JP3502892B1 - Two steel fastening structure and fastening parts used for the fastening structure - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To provide a two-steel material joint structure capable of firmly fastening two steel materials, sufficiently responding to the demands of a high-rise building or an earthquake-resistant building, and which can be constructed easily, safely, efficiently, and inexpensively. And to provide a fastening component used for the joining structure. SOLUTION: A first steel material P1, a third steel material H, a steel material mounting bolt 17, and a tightening ring 8 to be inserted into the bolt are provided, and the third steel material has at least a mounting hole h2 formed in an end plate h1. The first steel material has a nut function part 1 at a position corresponding to the mounting hole of the third steel material end plate, and the bolt is screwed into the nut function part from the mounting hole via a tightening ring, and the third steel material and the first steel material And fixed. Further, a pair of wedges 4 whose opposing surfaces are inclined in the opposite direction is interposed between the first steel material P1 and the second steel material P2, and penetrates the wedge pairs from the outside of the second steel material, and a nut function part of the first steel material. The thickening action is performed by the advancing of the bolt 7 screwed into the steel member, and frictionally joined to both steel materials.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to the fastening of steel materials,
More specifically, a fastening structure of a first steel material and a second steel material, or a first steel material and a third steel material, and a fastening component used for the fastening structure, more specifically, a nut function portion, a wedge pair, a bolt, and a tightening ring. It is about the confirmation sticker.

[0002]

2. Description of the Related Art Fastening steel column beams in steel structures is
This is an important matter related to the structural strength of the building and the accuracy of the building itself, and many proposals have been made in the past. For example,
In the fastening structure of a steel-column beam in Japanese Patent Application Laid-Open No. 9-32111 (referred to as Conventional Example 1), a thick-walled angle steel pipe having a predetermined size is sandwiched, and an upper rectangular steel pipe column is provided at the upper portion and a lower rectangular steel pipe is provided at the lower portion. While the steel pipe columns are welded, beam end fittings are respectively bolted to the upper and lower side surfaces of the thick-walled angle steel pipe, and the steel frame pillar beams are fastened with high-strength bolts through the beam end fittings.

As another method of fastening a steel column beam to a steel column, a method is known in which a horizontal diaphragm is attached to the steel column beam of the steel column and the steel column beam is welded and fastened to this horizontal diaphragm. As a column fastening method that does not require work, JP-A-5-263468 and JP-A-11-3242.
As disclosed in Japanese Patent No. 26 (referred to as Conventional Example 2), a method has been proposed in which a reinforcing member is internally provided in a beam fastening portion of a steel pipe column and the steel column beam is fastened with a bolt by using this reinforcing member.

[0004]

In the prior art example 1,
At the construction site, the upper and lower rectangular steel pipe columns are welded to the upper and lower parts of the thick-walled rectangular steel pipe, which complicates the processing and welding of steel materials, and the quality control of welding is at a constant cost. There was a drawback that it cost. In Conventional Example 2,
It takes time and effort to insert a reinforcing member into the steel pipe column and securely fix the reinforcing member to the beam fastening part, and it is difficult to ensure accuracy, and the beam member is bolted to the reinforcing member. When doing this, in a place that is out of reach of the inside of the steel pipe column, use a steel-framed column beam with a thickened beam fastening part,
If you have no choice but to use expensive one-sided bolts, and if you use ordinary high-strength bolts, provide an opening for inserting your hand in the steel pipe column and sacrifice the strength of the steel pipe column. I had to do it.

[0005] The fastening techniques of steel-framed columns and beams that have been proposed so far require a complicated and high-level processing technique, and many cutting and welding processes, which are troublesome. However, there is a problem that a high degree of skill is required to secure the prescribed strength and accuracy. Moreover, there is a problem that the construction is too time-consuming and the construction cost is high, and in order to improve the difficulty, if the construction is speeded up and the construction cost is reduced, there is a problem in strength such as load resistance and earthquake resistance. There were also problems that were likely to occur.

[0006] That is, in the fastening technique of steel frame beams, there is an inherently contradictory technical problem between structural strength and workability. In addition, when inspecting the fastening state, it is inconvenient to easily check whether or not the fastening has been performed with a predetermined torque. Therefore, the present invention has been made in view of the above-described drawbacks in the conventional steel fastening structure, and the purpose thereof is to make two steel materials sturdy without causing structural deterioration in strength. A two-steel material fastening structure that can be fastened, and that can be constructed efficiently, safely, easily and inexpensively without requiring skill, especially a two-steel material fastening structure that can sufficiently meet the demands of high-rise buildings and earthquake-resistant buildings, and It is to provide a fastening component used for a fastening structure.

[0007]

In order to achieve the above-mentioned object, the two-steel material fastening structure of the present invention is, as claimed in claim 1, a first steel material and a second steel material facing each other with a gap, and between both steel materials. And a bolt that penetrates the wedge pair from the outside of the second steel material and is screwed into a nut function portion provided on the first steel material, and the wedge pair has a first wedge plate having an inclined surface, and The second wedge plate having an inclined surface in the opposite direction to the wedge plate is provided with a tapered long hole that tapers from the thick end side of both wedge plates toward the thin end side,
With the inclined surfaces in contact with each other, it becomes slidable within the range from the minimum wedge pair thickness where the long hole small diameter portion communicates to the maximum wedge pair thickness where the long hole large diameter portion communicates. A circular barrel having a diameter larger than the diameter of the screw portion, and a conical portion tapering from the barrel toward the male screw portion,
The second wedge plate is slid from the long hole small diameter portion side to the long hole large diameter portion side at the conical portion in accordance with the screw advancement of the bolt, and the wedge pair thickness is increased to frictionally join both steel materials.

According to a second aspect of the present invention, in the two-steel material fastening structure according to the first aspect, at least the second wedge plate is provided with a tapered elongated hole and an inclined peripheral surface that matches the inclination angle of the bolt cone.
The male thread portion of the bolt has a diameter smaller than that of the long hole small diameter portion of the first wedge plate , and the circular body has a diameter larger than that of the long hole small diameter portion and smaller than that of the long hole large diameter portion . Surface contact can be made with the inclined peripheral surface. As a third aspect, in the two-steel material fastening structure according to the second aspect, the bolt cone portion penetrates the tapered long hole of the second wedge plate,
By inserting into the tapered long hole of the first wedge plate, the first wedge plate also slides toward the large diameter part of the long hole as the conical part is inserted,
The wedge pair thickness can be further increased. As a fourth aspect, in the two-steel material fastening structure according to the first, second, or third aspect, while maintaining the inclined surfaces of the first wedge plate and the second wedge plate in a state of facing each other, the tapered elongated hole is formed in the longitudinal direction. It is equipped with a wedge guide that allows sliding.

According to a fifth aspect of the present invention, in the two-steel material fastening structure according to the fourth aspect, a nut engaging portion is provided on a steel material contacting side of either the first wedge plate or the second wedge plate, and the nut functional portion of the nut functional portion is provided. A wedge holding portion that engages with the nut engaging portion is provided on the second steel material side, and the wedge pair can be previously engaged with the wedge holding portion. Claim 6
In the two-steel material fastening structure according to claims 1, 2, or 4, one of the first wedge plate and the second wedge plate is a fixed wedge plate fixed to the first steel material or the second steel material, and the other is The movable wedge plate slides along the inclined surface of the fixed wedge plate, and the fixed wedge plate is provided with one of a tapered elongated hole and a conical hole communicating with the tapered elongated hole of the movable wedge plate.

According to a seventh aspect of the present invention, in the two-steel material fastening structure according to any one of the first to sixth aspects, a bolt is tightened via a tightening ring, and a reaction force receiver provided on the bearing surface side of the tightening ring is used. It is friction bonded to two steel materials.

Deleted.

[0012] As claimed in claim 8, in the two steel fastening structure according to any one of claims 1-7, wherein the nut functional portion, a tubular nut fastener for mounting from one side to the first steel through-hole, A fixing nut mounted from the other side of the first steel material in the metal fitting, at least one of the nut stopper metal fitting and the fixing nut is mounted by screwing means, and the insertion limiting flange of the nut stopper metal is applied to the second steel material. I have set up. As claim 9 ,
In the two-steel material fastening structure according to any one of claims 1 to 7 , a tubular nut stopper fitting the nut function part to the first steel through hole from one side, and a first steel material inside the fitting. The fixing nut is attached from the other side, and at least one of the nut stopper and the fixing nut is attached by the press-fitting means, and the insertion limiting flange of the nut stopper is provided on the second steel material.

According to a tenth aspect of the present invention, in the two-steel material fastening structure according to the ninth aspect, the nut stopper is a split-type body portion that is elastically deformable in the small-diameter direction over the entire length in the insertion direction, and the split-type body portion is elastically made to have a small diameter. It deforms and is inserted into the steel material through hole, and is inscribed in the steel material through hole by the restoring force. According to claim 11 , in the two-steel material fastening structure according to claim 9 , at least the insertion side is a grooved body portion that is elastically deformable in a small diameter direction, and the insertion side is elastically deformed to a small diameter to penetrate the steel material. It is inserted into the hole and inscribed in the steel through hole by the restoring force of the elastically deformable part. Claim 12 , Claims 5, 8 , 9 , 10 or
In the two-steel material fastening structure described in 11 , the wedge holding portion is provided on the second steel material side of the nut stopper, and the wedge pair can be engaged with the wedge holding portion in advance. As a thirteenth aspect , in the two-steel material fastening structure according to the fifth, eighth, ninth, tenth or eleventh aspect , the wedge holding portion is provided on the second steel material side of the fixing nut, and the wedge pair is previously engaged with the wedge holding portion. I was able to leave it.

According to a fourteenth aspect , in the two-steel material fastening structure according to any one of the first to thirteenth aspects, a bolt is tightened through a tightening confirmation seal that is deformed by tightening with a predetermined torque, and the state of the tightening confirmation seal is determined. It is made visible from the outside.

[0015] Claim 15 is the fastening part of the bolt used for the fastening structure according to claim 1, while bolt is the head and the male screw portion, a circular body portion of larger diameter than the threaded portion diameter, body portion And a conical portion tapering toward the male screw portion.

[0016] Claim 16 is a wedge even number of fastening elements used for the fastening structure according to claim 1, the wedge pair even has a first wedge plate having an inclined surface, the inclined surface of the opposite direction of the wedge plate The two wedge plates are provided with tapered long holes that taper from the thick end side to the thin end side of both wedge plates, and with the slanted surfaces in contact with each other, the smallest wedge pair with which the long hole small diameter portion communicates. It is slidable within the range from the thickness to the maximum wedge pair thickness with which the large hole large diameter portion communicates. According to claim 17 , in the wedge pair according to claim 16 , at least the tapered elongated hole of the second wedge plate is provided with a contract.
An inclined peripheral surface that matches the inclination angle of the bolt conical portion according to Requirement 15 is provided so that the conical portion can come into surface contact with the inclined peripheral surface. As the eighteenth aspect , in the wedge pair according to the sixteenth or seventeenth aspect , it is possible to slide the tapered elongated hole in the longitudinal direction while holding the first wedge plate and the second wedge plate so that both wedge plates face each other. It is equipped with a wedge guide. Claim 1
As a ninth aspect , in the wedge pair according to claim 16, 17 or 18 , one of the first wedge plate and the second wedge plate is provided with a nut engaging portion that engages with a nut function portion provided in the wedge pair mounting steel material. ing.

A twentieth aspect of the fastening structure according to the ninth aspect is
A nut stopper for fastening parts used in the nut function part .
Nut fastener is the inner circumferential side of the cylindrical body which is inserted into the first steel through-hole, provided with a female screw that is screwed into the fixed nut, one of the nut locking pawl for locking the locking nut At least on the outer peripheral side of the rear portion, an insertion limiting flange is provided. Claim 21
As, in the nut fastener of claim 20, wherein, nuts
The toe stopper includes a split body having a split groove along the entire length in the insertion direction, and when inserted into the steel material through hole, the split body can be elastically deformed to a smaller diameter than the steel material through hole. As claim 22, claim
20. The nut stopper according to claim 20, wherein the nut stopper includes a grooved body portion having a slit parallel to the insertion direction at least on the insertion side, and a slit forming range is provided when the nut stopper is inserted into the steel through hole. It can be elastically deformed to a smaller diameter than the steel through hole.

A twenty- third aspect of the present invention is a fastening structure according to the ninth aspect .
It is a fixing nut for fastening parts used in the nut function part ,
The constant nut includes a nut body portion that is screwed into the nut stopper of claim 20 , and a nut head portion that abuts on the rear surface of the first steel material, and the nut body portion is screwed into the nut stopper. Claim
24 is used for the nut function part of the fastening structure according to claim 9.
A fixing nut of the fastening parts that, fixing nut claim
A nut body to be inserted into the nut stoppers 21 and 22 ,
And a contact with the nut head to the rear surface of the first steel, when mounted on the nut fastener, comprising a bracket locking unit for locking the nut locking nail nut fastener of claim 20 to the nut barrel The
It According to a twenty-fifth aspect of the present invention, in the fixed nut according to the twenty-third or twenty-fourth aspect , the fixed nut has a wedge holding portion exposed to the second steel material side when attached to the nut stopper, and the wedge holding portion has the wedge holding portion according to the nineteenth aspect . The mating pair can be engaged.

[0019] Claim 26 is a clamping ring for fastening elements to be used for fastening structure according to claim 7, tighten the ring is formed of a metallic material harder than steel, depending on the tightening of the bolt seating surface It is equipped with a reaction force receiver that cuts into and frictionally joins steel materials. Claim 27 is the conclusion according to claim 7.
A clamping ring of a fastening component for use in construction, tighten ring is formed of a metallic material softer than steel, the reaction force receiver for friction bonding or contact curved against the steel in accordance with the tightening of the bolt seating surface I have it. Claim 28 is Claim 2
6 or 27. In the tightening ring according to 6 or 27 , the tightening ring includes a tool engaging portion of a rotary tool.

A twenty- ninth aspect is a fastening confirmation seal for a fastening component used in the fastening structure according to the fourteenth aspect , wherein the confirmation seal is crushed with a constant torque between the front plate and the back plate. It is provided with a deformation layer that is pushed out from the double-sided plate to the outer periphery.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION Two steel material fastening structures according to the present invention,
A first embodiment of a fastening component used for the fastening structure will be described with reference to FIG. 1. A first steel material P having a nut function portion 1 will be described.
1 and the steel material P1 with a gap therebetween, and the nut function part 1
A second steel material P2 having a through hole p2 communicating with the second steel material P1, a wedge pair 4 mounted between the steel materials P1 and P2, and a nut function provided in the first steel material P1 penetrating the wedge pair 4 from the outside of the second steel material P2. The wedge pair 4 is provided with a bolt 7 that is screwed to the portion 1, and the wedge pair 4 has a first wedge plate 5 having an inclined surface 5a and a second wedge plate 6 having an inclined surface 6a opposite to the wedge plate 5. Tapered long holes 52 that taper from the thick end side of the wedge plates 5 and 6 toward the thin end side,
62, and the minimum wedge pair thickness t through which the long hole small diameter portions r1 and r2 communicate with each other in a state where the inclined surfaces 5a and 6a are in contact with each other.
To the maximum wedge pair thickness t through which the long hole large diameter portions R1 and R2 communicate with each other, and the bolt 7 is attached to the head 7
A circular body portion 7b having a diameter larger than the diameter φ2 of the screw portion and a conical portion 7c tapering from the body portion 7b toward the male screw portion 7d are provided between a and the male screw portion 7d. Accordingly, the conical portion 7c is inserted into the tapered long hole 62 of the second wedge plate 6,
As a result, as shown in FIGS. 5 and 6A, the wedge pair thickness t is slid from the long hole small diameter portion r2 side to the long hole large diameter portion R2 side, and the first wedge plate 5 is attached to the first steel material P1. Then, the two wedge plates 6 are frictionally joined to the second steel material P2.

As the wedge pair 4 which is one of the fastening components used in the fastening structure of the first embodiment, for example, as shown in FIG. 2, a first wedge plate 5 and a second wedge plate 6 having substantially the same size are paired. Using the simple wedge pair 4A, the first wedge plate 5 of the simple wedge pair 4A has a long hole large diameter portion R1 on the thick end side and a taper long hole 52 having a long hole small diameter portion r1 on the thin end side in the plate thickness direction. The second wedge plate 6
Has an inclined surface 6a opposite to the inclined surface 5a of the first wedge plate 5, and has a tapered long hole 62 having a long hole large diameter portion R2 on the thick end side and a long hole small diameter portion r2 on the thin end side. Penetrates in the thickness direction,
In a state where the inclined surfaces 5a and 6a are in contact with each other, they can be slid toward the thick end side or the thin end side within the range of the tapered elongated holes 52 and 62.

The second embodiment of the two-steel material fastening structure according to the present invention will be described with respect to the points different from the first embodiment.
In the two-steel material fastening structure of the second embodiment, as the wedge pair 4 which is one of the fastening components, at least the tapered elongated hole 62 of the second wedge plate 6 as shown in FIG. Using the general-purpose wedge pair 4B in which the tapered elongated holes 52 and 62 of the wedge plate 6 are provided with inclined peripheral surfaces 52a and 62a that match the inclination angle θ of the bolt conical portion 7c, the male screw portion 7d of the bolt 7 is attached to the first wedge.
In diameter than the elongated hole diameter portion r1 of the plate 5, the circular cylinder portion 7b
It is formed to have a diameter larger than the small diameter portion r1 of the long hole and smaller than the large diameter portion R1 of the long hole , and the conical portion 7c makes surface contact with the inclined peripheral surface 62a, and inside the tapered long hole 52 as shown in FIGS. To be able to insert.

The difference between the third embodiment of the two-steel material fastening structure according to the present invention and the first and second embodiments will be explained. The two-steel material fastening structure of the third embodiment is as shown in FIG. The portion 7c penetrates the second wedge plate taper slot 62 of the general wedge pair 4B and reaches the inside of the first wedge plate taper slot 52, whereby the taper slot 52 of the first wedge plate 5 is formed.
When the circular body portion 7b starts to be inserted into the, the sliding of the second wedge plate 6 is stopped, and the first wedge plate 5 is slid toward the long hole large diameter portion R1 side to further increase the wedge pair thickness t, After that, the first steel material P1
And most of the stress acts to fasten the second steel material P2,
It becomes possible to fasten with an accurate torque, and it is also possible to add a thickening limiting function that does not thicken more than a predetermined thickening action calculated in advance. That is, by allowing the circular body portion 7b to be inserted up to the middle of the tapered long hole 52 of the first wedge plate 5, when the circular body portion 7b starts to be inserted into the first wedge plate 5, the second wedge plate 6 is inserted. Stops sliding, and only the first wedge plate 5 slides. The same applies to the simple wedge pair 4A.

The bolt 7, which is one of the fastening parts used in the fastening structures of the first to third embodiments, has a circular body portion 7b having a body diameter φ1 on the male screw portion 7d side from the bolt head 7a as shown in FIG.
And a conical portion 7c which is tapered from the body portion 7b toward the male screw portion 7d, and the thread portion diameter φ2 of the male screw portion 7d is
The diameter is smaller than the long hole small diameter portion r1 and the circular body portion 7b is long.
The diameter is larger than the hole small diameter portion r1 and smaller than the long hole large diameter portion R1, and is inserted into at least the tapered long hole 62 of the second wedge plate 6, and along with the insertion, as shown in FIGS. The tip portion first comes into contact with the long hole small diameter portion r2 of the second wedge plate 6 and slides the second wedge plate 6 to the long hole large diameter portion R2 side, while passing through the intermediate portion of the tapered long hole 62 and then the conical portion 7c. The rear portion abuts on the large diameter portion R2 of the long hole to increase the wedge pair thickness t.

Explaining the difference between the fourth embodiment of the two steel material fastening structure according to the present invention and the first to third embodiments, the two steel material fastening structure of the fourth embodiment is one of fastening parts. As a certain wedge pair 4, as shown in FIG. 9, a guide portion 54 parallel to the longitudinal direction of the tapered elongated hole 52 is provided on the inclined surface 5a side of the first wedge plate 5, and the second wedge plate 6 facing the wedge plate 5 is provided. A guide type wedge pair 4 including a guided portion 64 slidably fitted to the guide portion 54 of the first wedge plate 5 on the inclined surface 6a side of
C is used. The guide portions 54 and 64 of the guide-type wedge pair 4C achieve the general purpose as long as they guide the first wedge plate 5 and the second wedge plate 6 in the longitudinal direction of the tapered elongated holes 52 and 62. If the guide portions 54 and 64 are dovetail-shaped and the wedge plates 5 and 6 are held so as to face each other, and the tapered elongated holes 52 and 62 can be slid in the longitudinal direction, the handling becomes easy.

Explaining the difference between the fifth embodiment of the two-steel material fastening structure according to the present invention and the first to fourth embodiments, the two-steel material fastening structure of the fifth embodiment is one of fastening parts. As the wedge pair 4, as shown in FIG. 10, a nut engaging portion 56 that bites inward from the steel material contact surface is provided on the steel material contact side of the first wedge plate 5 or the steel material contact side of the second wedge plate 6. The wedge pair 4D is used, and the nut engaging portion 56 of the wedge pair 4D can be engaged in advance with the wedge holding portion 33 protruding from the first steel material P1 provided in the nut function portion 1 to the second steel material P2 side. . For example, as the fixed nut 3 of the nut function part 1 which is one of the fastening parts, as shown in FIG. 21, a body length nut 3B having a nut body 3b longer than the first steel material thickness T is used, and the tip of the nut body 3b is used. If the wedge holding portion 33 is provided in the portion, the wedge holding portion 33 is exposed from the first steel material P1 to the second steel material P2 side when the wedge holding portion 33 is attached to the nut stopper 2 of the first steel material P1.
The nut engaging portion 56 provided on the first wedge plate 5 of the leading wedge pair 4D can be engaged.

The sixth embodiment of the two-steel material fastening structure according to the present invention will be described with respect to the points different from the first to fifth embodiments. The two-steel material fastening structure of the sixth embodiment is one of fastening parts. As a certain wedge pair 4, as shown in FIG. 11, the first steel material P1
Fixed wedge plate 15 welded to the second wedge plate 6 side of the fixed wedge plate 1
5, a fixed wedge pair 4E composed of a movable wedge plate 16 sliding along the inclined surface 5a of 5 is used, and instead of the tapered elongated hole 52 of the fixed wedge plate 15, a conical hole 53 corresponding to the bolt conical portion 7c is provided. The conical hole 53 is welded so as to communicate with the nut function part 1 of the first steel material P1 so that only the movable wedge plate 16 can slide. The movable wedge plate 16 includes the first wedge plate 5 and the second wedge. One of the plates 6 is a fixed wedge plate 15, and the other is a movable wedge plate 16. The same purpose can be achieved by welding the fixed wedge plate 15 to the second steel material P2 and making only the movable wedge plate 16 slidable.

Explaining the difference between the seventh embodiment of the two-steel material fastening structure according to the present invention and the first to sixth embodiments, the two-steel material fastening structure of the seventh embodiment has fastening parts as shown in FIG. The bolt 7 is tightened using a tightening ring 8 which is one of the above, and the tightening ring 8 is provided with an insertion hole 8a for the bolt 7 in the central portion and a reaction force receiver 18 on the seat surface side.
When the tightening of the bolt 7 is completed, the reaction force receiver 18 is interposed between the bolt head 7a and the second steel material P2 and frictionally joined to the outer surface of the second steel material P2.

The difference between the eighth embodiment of the two-steel material fastening structure according to the present invention and the first to seventh embodiments will be described. The two-steel material fastening structure of the eighth embodiment is as shown in FIG. P1, third steel material H and steel material mounting bolt 1
7 and a tightening ring 8 to be fitted into the bolt 17, the third steel material H has an end plate h1 at its end, and at least the end plate h1 has a plurality of mounting holes h2. Is provided with the nut function part 1 at a position corresponding to the mounting hole h2 of the third steel end plate h1, and the bolt 17 is screwed into the nut function part 1 from the mounting hole h2 through the tightening ring 8 as shown in FIG. The three steel materials H and the first steel material P1 are fixed.

A cylindrical shape in which the nut function part 1 used in the first to eighth embodiments of the two steel material fastening structure according to the present invention is attached from one side to the first steel material through hole p1 which is one of the fastening parts as shown in FIG. Nut stopper metal fitting 2 and the first steel material P inside the metal fitting 2
1 and the fixing nut 3 attached from the other side, and at least one of the nut stopper 2 and the fixing nut 3 is attached by screwing means, or press-fitting means (driving) as shown in FIG.
As the nut stopper 2, for example, a female screw 21 is provided on the inner peripheral side of the tubular body portion 2a that is inserted into the steel through hole p1 and the insertion limiting flange 22 is provided on the outer periphery of at least one side (outer surface). The tubular stopper 2A provided with is inserted until the insertion limiting flange 22 of the tubular stopper 2A contacts one side of the first steel material P1. As the fixing nut 3, for example, the steel through hole p1 Larger nut head 3a
And a nut body portion 3b extending from the head portion 3a to one side, and an inner peripheral screw 31 to be screwed into the bolt 7 on the inner peripheral side of the nut body portion 3b, and a tubular stopper 2A on the outer peripheral side. Female screw 21
Using a threaded nut 3A formed with an outer peripheral screw 32 that is screwed to, the nut body 3b is attached to the tubular stopper 2 until the head 3a of the nut 3A abuts on the other side (inner surface) of the first steel material P1.
The nut stopper 2 is attached to the first steel material P1 by being screwed into the cylindrical body portion 2a of A.

Among the nut fasteners 2 which are one of the fastening parts used in the fastening structure of the present invention, the detachment prevention flange 23 which is engaged with the back surface of the first steel material P1 is engaged with the insertion side, and is engaged in the insertion direction. In the nut stopper 2 provided with one of the detachment preventing claws 25 that is locked in the detaching direction without any action, the body of the split mold body 2b having the split groove 26 in the entire length in the inserting direction as shown in FIG. When the deformation stopper 2B is used, the split mold body portion 2b can be elastically deformed into a smaller diameter than the steel material through hole p1 and inserted into the steel material through hole p1 when it is inserted into the steel material through hole p1. it can. Further, as shown in FIGS. 19 and 20, the slit 2 is provided on the insertion side.
When the insertion portion deformation prevention metal fitting 2C of the grooved body portion 2c provided with 7 is used, the grooved body portion 2c is inserted into the steel material through hole p1.
The insertion side, that is, the forming range of the slit 27 can be elastically deformed into a smaller diameter than the steel material through hole p1 and inserted, and can be inscribed in the steel material through hole p1 by its restoring force.

The ninth embodiment of the two-steel material fastening structure according to the present invention will be described with respect to the difference from the first to eighth embodiments. The two-steel material fastening structure of the ninth embodiment will be described with reference to FIG. Bolts 7, using one confirmation seal 9,
As shown in FIG. 25, the confirmation seal 9 is provided with a deformation layer 9c between the front surface plate 9a and the rear surface plate 9b, which is crushed by a predetermined torque and squeezed out from the double-sided plates 9a and 9b. A triple layer structure is formed, and a bolt insertion hole 9d is formed in the center thereof, and when the bolts 7 and 17 are tightened with a predetermined torque, the deformation layer 9c is deformed as shown in FIGS. 7 and 8. It protrudes from the double-sided plates 9a and 9b to the outer circumference so that it can be easily visually checked from the outside. The verification seal 9 is preferably used with the tightening ring 8, but can also be used alone.

The tightening ring 8 which is one of the fastening parts used in the fastening structures of the seventh and eighth embodiments is shown in FIGS.
As shown in FIG. 3, the through hole 8a for the bolt 7 is provided in the central portion, and the reaction force receiver 18 is provided on the seat surface side. As the tightening ring 8, for example, a second steel material as shown in FIGS. Use a ridge reaction force receiving ring 8A that forms a chevron toward P2 and is provided with an arc ridge 18a centered on the insertion hole 8a, or use a ridge reaction force receiving ring 8A as shown in FIGS. 22 (b) and 23 (b). A wedge-shaped reaction force receiving ring 8B in which claw portions 18b that are tapered toward the steel material P2 are dispersed and provided at several locations is used. This tightening ring 8
Is formed of a metal material that is harder than the second steel material P2 and the third steel material H, the tip of the reaction force receiving member 18, that is, the arcuate ridge portion 18a and the claw portion 18b, depending on the tightening of the bolts 7 and 17.
24 (a) bites into the steel materials P2, H as shown in FIG. 24 (a) or frictionally joins them, and on the contrary, the second steel material P2 and the third steel material H are made of a softer metal material. Depending on the tightening, the tip of the reaction force receiving member 18, that is, the tip of the arcuate ridge 18a and the claw 18b, is made of steel P as shown in FIG.
2, abut on H and bend or frictionally join.

[0035]

EXAMPLE The wedge pair 4 mounted between the first steel material P1 and the second steel material P2 is preferably mounted so as to be slidable in the vertical direction or the horizontal direction, depending on the stress acting on the wedge pair 4. It is, of course, possible to mount them in different directions. Well-known welding, adhesive, bolting or the like is used as the attachment / detachment means of the fixed wedge plate 15 used in the sixth embodiment. It is possible to add at least one characteristic of the guide wedge pair 4C and the leading wedge pair 4D to the simple wedge pair 4A, and at least one of the guiding wedge pair 4C and the leading wedge pair 4D to the general-purpose wedge pair 4B. It is also possible to add. As the bolt 17 used in the eighth embodiment, a general-purpose high-strength bolt or a torcia-type high-strength bolt is mainly used.
Further, in this specification, the bolts 7 and 17 are the same as those in FIG.
As shown in (b), a bolt head 7a having a pin tail 7e for cutting with a constant torque on the top surface side is also included.

The nut function portion 1 of the present invention is as shown in FIG.
It is also possible to omit the use of the nut stopper 2 and attach the fixed nut 3 directly to the first steel material P1, or to form a plurality of fixed nuts 3 integrally (not shown). It is also possible to press fit only the nut body 3b into the nut stopper 2. When the fixing nut 3 is provided with the wedge holding portion 33 and the metal fitting locking portion 34, the wedge holding portion 33 is used as the metal fitting locking portion 3.
It is also possible to provide so as to double as 4. Further, the wedge holding portion 33 provided on the fixed nut 3 can be provided on the insertion limiting flange 22 side of the nut stopper 2.

The tightening confirmation seal 9 includes front and back plates 9a and 9b.
A hard metal material is used for the deformable layer 9c, and a deformable rubber or synthetic resin or a composite material thereof is used for the deformable layer 9c. Further, a well-known washer W can be used instead of the tightening confirmation seal 9. In any case, the bolt head 7a
By mounting a tightening confirmation seal 9 and a well-known washer W between the tightening ring 8 and the tightening ring 8 to keep the respective joint surfaces smooth, the bolt head 7a and the tightening ring 8 rotate smoothly during tightening. Enables more reliable tightening.

26. In a high-rise building or a seismic resistant building constructed by using a steel beam as a steel tube column, the two steel material fastening structure according to the present invention and the fastening parts used in the fastening structure are adopted.
To the first steel material (steel pipe pillar P1) as shown in FIG.
When installing (steel beam H) , a second steel material (wide mouth steel pipe ) that is one size larger than the steel pipe column and is several cm above and below the steel beam thickness T
P2) is used to provide the wide beam steel pipe P2 with the connecting portion of the steel beam H and the bolt through hole p2, and the nut function part 1 communicating with the wide beam steel pipe through hole p2 is provided at the steel beam mounting position of the steel pipe column P1. First, the wide-mouth steel pipe P2 is fitted into the steel pipe pillar P1, the wedge treatment 4 is mounted in the gap between the steel pipe pillar P1 and the wide-mouth steel pipe P2, and the tapered long holes 52 and 62 of the wedge treatment 4 and the steel pipe through hole p2 are connected to the nut function portion. 1, so that the bolt 7 is screwed into the nut function portion 1 through the tapered long holes 52 and 62 from the wide-mouth steel pipe through hole p2 and the wedge treatment 4 widens the steel pipe pillar P1. The steel pipe P2 is integrated to stabilize the attachment of the steel beam H. Also, the end plate h of the steel beam H
1 is not limited to the fastening of the steel pipe pillar P1 and is not limited to JP-A-9-
It can also be used to fasten a T-shaped fitting and a steel pipe pillar P1 as in No. 221831.

The second steel material P2 is provided with the nut function part 1, and the wedge treatment 4 is interposed between the second steel material P2 and the first steel material P1.
It is also possible to screw the bolt 7 into the nut function portion 1 from the through hole p1 of the first steel material P1 via the wedge treatment 4. When the nut stopper 2 is provided with the insertion limiting flange 22, a nut escape groove 55 for avoiding the insertion limiting flange 22 is provided on the installation side of the wedge pair 4, and in the front-end wedge treatment 4D, the nut escape groove 55 is engaged with the nut. It is also possible to serve as the unit 56. The body length nut 3B may be provided with the inner peripheral screw 31 and the outer peripheral screw 32 like the screw-type nut 3A. However, when the metal fitting locking portion 34 is provided on the outer periphery of the nut body portion 3b as shown in FIG. A nut locking claw 24 that locks with the metal fitting locking portion 34 is provided on the inner peripheral side of the body portions 2a, 2b, 2c of the fastener 2.

The tightening ring 8 is provided with a tool engaging portion 8b of the outer socket d1 of the rotary tool D on the outer peripheral side as shown in FIG. 7, or with a bolt surrounding portion 8c on the outer peripheral side as shown in FIG. The tool engagement portion 8b of the inner socket d2 of the rotary tool D is provided on the inner peripheral side of the tool. The nut locking claw 24 and the separation preventing claw 25 provided on the nut stopper 2 are provided on the body portions 2a, 2b,
It can also be formed by cutting and raising from 2c. The reaction force receiver 18 of the tightening ring 8 is not limited to the embodiment, and may have any shape as long as it strongly frictionally joins the second steel material P2 and the third steel material H when the bolts 7 and 17 are tightened. For example, even if the seating surface side is roughened, the substantial purpose is achieved.

[0041]

Since the two steel material fastening structure according to the present invention is as described above, it has the following effects. Claim 1
The two-steel material fastening structure includes a conical portion that is tapered from the circular body toward the male screw portion for fastening the first and second steel materials.
Since the bolt of claim 15 and the wedge pair of claim 16 provided with the tapered elongated hole tapering from the thick end side to the thin end side are used, the bolt is used from the small hole side to the nut function part. When it is screwed toward, the conical portion begins to enter the tapered long hole of the second wedge plate and acts like a wedge, and only the second wedge plate slides smoothly toward the thick edge side to expand the wedge pair thickness. Thicken. That is, since a wedge treatment is mounted between the first steel material and the second steel material, and both steel materials are fixed by increasing the thickness of the wedge treatment, processing for both steel materials is minimized, Unlike the conventional case, it does not require a troublesome cutting process or welding work, and can be simply and reliably joined and fixed. as a result,
It is possible to prevent deterioration of product accuracy, improve work efficiency and finish condition, and not only achieve significant cost reduction, but also increase the wedge treatment thickness from the outside of the second steel material, The thickening effect is extremely easy and the application range is extremely wide, and the industrial utility value is greatly improved. The simple wedge pair is suitable for one-time fastening, such as fastening in steel for construction.

[0042] Claim 2 is in the two steel fastening structure according to claim 1, as a fastening part according to the invention, tapers toward the penetrating side peripheral surface of the tapered slot of the second wedge plate from the insertion side of the bolt Since the wedge pair of claim 17 which forms an inclined peripheral surface is used, the bolt cone portion makes surface contact with the inclined peripheral surface of the elongated hole, and the second wedge plate slides toward the large diameter portion of the elongated hole, whereby the wedge pair thickness is increased. Thicken. As a result, it is suitable for repetitive fastening. According to a third aspect of the present invention, in the two-steel material fastening structure according to the second aspect, when the bolt cone portion penetrates the tapered long hole of the second wedge plate and begins to enter into the tapered long hole of the first wedge plate, The slide stops, and the first wedge plate starts to slide toward the large diameter portion of the long hole as the bolt cone portion is inserted to further increase the wedge pair thickness. After that, most of the stress acts to fasten the first wedge plate and the second wedge plate, and it becomes possible to fasten them with accurate torque. As a result, it is possible to prevent a problem such that the second steel material is not thickened more than necessary in advance and the second steel material is thickened more than necessary so that an accurate friction-bonded surface cannot be secured.

A fourth aspect of the present invention is the two-steel material fastening structure according to the first, second or third aspect, wherein the fastening part according to the present invention is :
Since the wedge pair of claim 18 provided with a wedge guide portion is used,
The first wedge plate and the second wedge plate are slidable in the longitudinal direction of the tapered elongated hole with their inclined surfaces facing each other. Moreover,
Since they can be handled as one unit, mounting of the wedge pair becomes extremely easy and easy.

[0044] 5. In two steel fastening structure according to claim 4, as a fastening part according to the invention, the wedge even number of claim 19 having a nut engaging portion on one of the wedge plate, the nut engaging portion Since the nut function portion having the wedge holding portion to be engaged is used, the wedge pair can be engaged with the wedge holding portion in advance. That is,
Since the wedge pair can be engaged with the nut engaging portion of the nut function portion in advance, the operation of mounting the wedge pair can be significantly simplified as compared with the case where the wedge pair is mounted between the steel materials later, and the work efficiency is improved. Is improved. According to a sixth aspect of the present invention, in the two-steel material fastening structure according to the first, second or fourth aspect, one of the first wedge plate and the second wedge plate is a fixed wedge plate fixed to the steel material, and the other is an inclined surface of the fixed wedge plate. Since it is a movable wedge plate that slides along,
As a result, the installation of the wedge pair is simplified.

A seventh aspect is the two-steel material fastening structure according to any one of the first to sixth aspects, wherein the fastening part according to the present invention is used.
As, with clamping ring according to claim 26 to 28, 該Ri
Since the bolts are tightened via the ring, the reaction force receiver strongly friction-bonds to the steel material at the time of completion of the tightening, exerts an effect like a washer, and can be tightened more reliably and strongly. In particular, claim as a fastening part according to the invention
Using the tightening ring of 26 and tightening the bolt strongly,
Because tip portion of the claw portion of the reaction force receiving bites into steel, further tightening force to be improved, and e Bei the tool engaging portion of the rotary tool according
When the tightening ring of item 28 is used, the bolt can be screwed in while preventing the ring from being rotated, so that the screw can be simply and quickly advanced.

Delete.

An eighth aspect is the two-steel material fastening structure according to any one of the first to seventh aspects, in which the nut function portion is provided.
24. A nut stopper, which is the fastening component of 20, and a fixed nut, which is the fastening component of claim 23, which is mounted in the fixture later.
Used, since the mounting at least one of the nut fastener and the fixed nut at threaded means, an easy mounting reached. 9. at least one of the nut fastener and fixing nut which constitutes the nut functional unit according claim 21, 22
The nut stopper is used, or the fixed nut of claim 24 is used, and at least one of the nut stopper and the fixed nut is attached by a press-fitting means such as pushing or tapping, which makes installation very simple. Since the nut stopper is provided with the insertion limiting flange on the outer peripheral side of the rear portion, it can be inserted until the insertion limiting flange comes into contact with the first steel material. As a result, the nut stopper can be attached securely and easily.

According to a tenth aspect of the present invention, in the two-steel material fastening structure according to the ninth aspect , since the nut stopper according to the twenty-first aspect is used as the fastening part according to the present invention, a detachment prevention collar or a detachment preventing collar projecting to the outer peripheral side from the body portion on the insertion side. Even with the separation preventing claws, the split body portion can be elastically deformed into a smaller diameter than the steel through hole and inserted.
Moreover, since the split body portion swells to the outer peripheral side by the fixing nut attached later, the joining with the steel material also increases. Claim
11 in the two steel fastening structure according to claim 9, since use of the nut fastener of claim 22 as a fastening part according to the invention, have a separation preventing flange or detachment prevention claws that protrude on the outer peripheral side of the body portion to the insertion side However, the insertion side of the grooved body can be elastically deformed into a smaller diameter than the steel material through hole and inserted. Moreover, since the insertion side of the grooved body portion swells to the outer peripheral side by the fixing nut attached later, joining with the steel material also increases. Claim
According to claim 12, in the two-steel material fastening structure according to claims 5, 8 , 9 , 10 , and 11 , since a nut stopper having a wedge holding portion is used as a fastening component according to the present invention, the same effect as that of claim 5 is obtained. Play. Claim 13 is Claim 5, 8 , 9 , 1
In the two-steel material fastening structure described in Nos. 0 and 11 , since the fixing nut according to the twenty-fifth aspect including the wedge holding portion is used as the fastening component according to the present invention, the same effect as the fifth aspect is obtained.

According to a fourteenth aspect of the invention, in the two-steel material fastening structure according to any one of the first to thirteenth aspects, since the tightening confirmation seal of the twenty- ninth aspect is employed as the fastening part according to the present invention, the steel materials are kept constant. When tightened with torque, the deformation layer deforms and becomes visible from the outside, and it is possible to easily confirm whether or not the steel materials are tightened with a constant torque. In the present invention, if the bolt is a pin-tailed bolt, it can be tightened to a constant torque.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part showing a first embodiment in a separated state of a two-steel material fastening structure according to the present invention.

FIG. 2 (a) (b) (c) is a cross-sectional view of a pair of wedges, which is one of the fastening components of the present invention used in the first embodiment, and a first wedge plate and a second wedge plate. FIG.

3 (a), (b), and (c) are cross-sectional views of a pair of wedges used in the second embodiment of the two-steel material fastening structure, and plan views of the first wedge plate and the second wedge plate.

FIG. 4 (a) is a front view showing a structural example of a bolt which is one of the fastening components according to the present invention.

5 (a), (b), and (c) are operation diagrams showing an example of sliding the tapered elongated hole by the bolt cone portion in the first and second embodiments.

6 (a) and (b) are main-portion cross-sectional views showing the relationship between the conical portion and the tapered elongated hole in the bolt insertion process of the first and second embodiments.

FIG. 7 is a cross-sectional view of essential parts showing a usage example of the second steel material fastening structure according to the second embodiment.

FIG. 8 is a main-portion cross-sectional view showing a usage example in a third embodiment of the two-steel material fastening structure.

9 (a) and (b) are cross-sectional views showing an example of a pair of wedge guides in the fourth embodiment of the two-steel material fastening structure.

10 (a) and (b) are main-portion cross-sectional views showing an example of preliminarily attaching a wedge pair in the fifth embodiment of the two-steel material fastening structure.

FIG. 11 is a main-portion cross-sectional view showing an example of use of a wedge pair in the sixth embodiment of the two-steel material fastening structure.

FIG. 12 is a cross-sectional view of essential parts showing seventh and ninth embodiments in a separated state of a two-steel material fastening structure.

13A and 13B are a partially cutaway side view and a plan view showing an eighth embodiment in a separated state of the two steel material fastening structure.

FIG. 14 is a front view of a bolt used in the eighth embodiment.

FIG. 15 is a sectional view of an essential part showing a simple structure example of a nut function part according to the present invention.

16 (a) and 16 (b) are main-portion cross-sectional views showing an example of mounting the nut function portion according to the present invention.

FIG. 17 is a cross-sectional view of essential parts showing an example of attachment of a nut stopper and a fixing nut of a fastening component according to the present invention.

18 (a) and (b) are a side view and a XX end view of a body deformation preventing metal fitting which is one of the fastening components according to the present invention.

19 (a) and (b) are a side view and an XX end view of an insertion portion deformation stopping metal fitting which is one of the fastening components according to the present invention.

FIG. 20 is a cross-sectional view of (a) (b) type insertion portion deformation stopper.

FIG. 21 (a) is a cross-sectional view of a fixing nut, which is one of the fastening components according to the present invention, and is used in the fifth embodiment.

22 (a) and (b) are bottom views showing an example of the structure of the reaction force receiver in the tightening ring which is one of the fastening parts according to the present invention.

23 (a) and (b) are lateral end views of the center thereof.

24 (a) and (b) are enlarged cross-sectional views of essential parts showing a frictional joining state of a reaction force receiver to a steel material.

25 (a) and (b) are cross-sectional views of a tightening confirmation seal, which is one of the fastening components according to the present invention, under normal conditions and under pressure.

FIG. 26 is a perspective view of the fastening structure according to the present invention in a separated state.

FIG. 27 is a perspective view showing an example of using the fastening structure according to the present invention.

FIG. 28 is a partially cutaway plan view showing an example of using the fastening structure according to the present invention.

[Explanation of symbols]

P1 1st steel material (steel pipe pillar) P2 2nd steel material (wide-mouth steel pipe), p1, p2 through hole H 3rd steel material (beam), h1 end plate, h2 mounting hole 1 nut function part 2 nut stopper 2A tubular fastener 2B Body part deformation stop fitting, 2C Insertion part deformation stop fitting 2a Cylindrical body part, 2b Split body part, 2c Grooved body part 21 Female screw, 22 Insertion limiting flange, 23 Detachment preventing flange,
24 Nut Locking Claw 25 Detachment Preventing Claw, 26 Split Groove, 27 Slit 3 Fixed Nut, 3A Threaded Nut, 3B Body Length Nut 3a Nut Head, 3b Nut Body 31 Inner Thread, 32 Outer Thread, 33 Wedge Holding Part, 3
4 Metal fitting locking part 4 Wedge pair, 4A Simple wedge pair, 4B General-purpose wedge pair, 4
C Guide type wedge pair 4D Pre-attached wedge pair, 4E One fixed wedge pair 5 First wedge plate, 15 Fixed wedge plate 6 Second wedge plate, 16 Movable wedge plate 5a, 6a Inclined surface 52, 62 Tapered long hole, 52a, 62a inclined peripheral surface, 53 conical hole 54, 64 guide part, 55 nut relief groove, 56 nut engaging part 7,17 bolt 7a bolt head part, 7b circular body part, 7c conical part, 7
d Male screw part 7e Pin tail 8 Tightening ring, 8A Projection reaction force receiving ring, 8B
Wedge reaction force receiving ring 8a Insertion hole, 8b Tool engaging portion, 8c Bolt enclosing portion 18 Reaction force receiving, 18a Circular ridge portion, 18b Claw portion 9 Tightening confirmation seal, 9a Front plate, 9b Back plate,
9c Deformation layer 9d Insertion hole D Dedicated rotary tool, d1 Outer socket, d2 Inner socket W Washer φ1 Body diameter, φ2 Screw portion diameter R1, R2 Tapered slot large diameter section r1 , r2 Tapered slot small diameter section T Steel thickness (beam thickness), t Wedge pair thickness

─────────────────────────────────────────────────── ─── Continued Front Page (51) Int.Cl. ⁷ Identification Code FI F16B 31/02 F16B 31/02 P 35/00 35/00 Q 37/00 37/00 B 37/04 37/04 C F 39 / 24 39/24 B 43/00 43/00 B

Claims (29)

(57) [Claims] 1. A first steel material (P1) facing each other with a gap.
And a second steel material (P2), and a wedge pair (4) mounted between the steel materials (P1, P2), and a first steel material (P1) penetrating the wedge pair (4) from the outside of the second steel material (P2). A first wedge plate (5) having a slanting surface (5a), and a bolt (7) screwed to the nut function part (1) provided on the first wedge plate (5), and the wedge plate (5). The second wedge plate (6) having the inclined surface (6a) in the opposite direction is provided with a tapered long hole (52, 62) which is tapered from the thick end side of both wedge plates (5, 6) toward the thin end side. ) Is provided, and the inclined surfaces (5a, 6a) are in contact with each other, from the minimum wedge pair thickness (t) with which the long hole small diameter portions ( r1, r2) communicate, to the long hole large diameter portions (R1, R2). ) Can be slid up to the maximum wedge pair thickness (t) in which the bolt (7) communicates, and the bolt (7) is between the head portion (7a) and the male screw portion (7d) due to the screw diameter (φ2). Circular body of diameter and (7b),
A conical portion (7c) tapering from the body portion (7b) toward the male screw portion (7d), and the second wedge plate (6) is lengthened by the conical portion (7c) in accordance with the screwing of the bolt (7). Small diameter part (r
A two-steel material fastening structure characterized by sliding from the 2) side to the large-diameter portion (R2) side of the long hole, increasing the wedge pair thickness (t), and frictionally joining the steel materials (P1, P2). 2. At least the second wedge plate (6) has an angle of inclination (θ) of the bolt conical portion (7c) in the tapered elongated hole (62).
Is provided with an inclined peripheral surface (62a), and the male screw part (7d) of the bolt (7) is a long hole small diameter part (r of the first wedge plate (5).
1) has a smaller diameter, and the circular body (7b) has the smaller diameter of the long hole.
The diameter is larger than that of the portion (r1) and smaller than that of the large diameter portion (R1) of the long hole , and the conical portion (7c) and the inclined peripheral surface (62a) can be brought into surface contact with each other. The two steel material fastening structure described in 1. 3. The bolt wedge (7c) has a second wedge plate (6).
Of the first wedge plate (5) according to the insertion of the conical portion (7c) by penetrating the tapered long hole (62) of the first wedge plate (5) and inserting it into the tapered long hole (52) of the first wedge plate (5). Large diameter part (R
The two-steel material fastening structure according to claim 2, wherein the wedge pair thickness (t) can be further increased by sliding to the 1) side. 4. The first wedge plate (5) and the second wedge plate (6),
It is characterized in that it is provided with wedge guide portions (54, 64) which allow the tapered elongated holes (52, 62) to slide in the longitudinal direction while holding the inclined surfaces (5a, 6a) in a facing state. The two-steel material fastening structure according to claim 1, 2, or 3. 5. A nut engaging portion (56) is provided on a steel material contacting side of one of the first wedge plate (5) and the second wedge plate (6), and the second steel material of the nut function portion (1). A wedge holding portion (33) that engages with the nut engaging portion (56) is provided on the (P2) side, and the wedge pair (4) can be previously engaged with the wedge holding portion (33). The two-steel material fastening structure according to claim 4. 6. One of the first wedge plate (5) and the second wedge plate (6) is a fixed wedge plate (15) fixed to the first steel material (P1) or the second steel material (P2). , The other is a fixed wedge plate (15)
The movable wedge plate (1) that slides along the inclined surface (5a) of
6), the fixed wedge plate (15) has a tapered long hole (52).
And a conical hole (53) communicating with the tapered elongated hole (62) of the movable wedge plate (16). 7. A bolt (7) is tightened via a tightening ring (8), and a reaction force receiver (18) provided on the bearing surface side of the tightening ring (8) is frictionally joined to the second steel material (P2). The two-steel material fastening structure according to any one of claims 1 to 6, characterized in that. 8. A tubular nut stopper fitting (2) for mounting the nut function part (1) in the first steel material through hole (p1) from one side, and a first steel material (P1) in the fitting (2). And a fixing nut (3) which is attached from the other side of the nut, and at least one of the nut stopper (2) and the fixing nut (3) is attached by a screwing means, and an insertion limiting collar ( Two
The second steel material fastening structure according to any one of claims 1 to 7 , wherein 2) is provided on the second steel material (P2). 9. A tubular nut stopper fitting (2) for mounting a nut function part (1) in a first steel through hole (p1) from one side, and a first steel material (P1) in the fitting (2). And a fixing nut (3) attached from the other side of the nut, and at least one of the nut stopper (2) and the fixing nut (3) is attached by a press-fitting means, and the insertion stopper flange (2) of the nut stopper (2) is attached.
The second steel material fastening structure according to any one of claims 1 to 7 , wherein 2) is provided on the second steel material (P2). 10. The nut stopper (2) is a split-type body portion (2b) that is elastically deformable in the small-diameter direction along the entire length in the insertion direction,
The split body (2b) is elastically deformed to a small diameter and the steel through hole (p
1) The two-steel material fastening structure according to claim 9 , wherein the two-steel material fastening structure is inserted into the inside of the steel material and inscribed in the steel material through hole (p1) by a restoring force. 11. The nut stopper (2) has a grooved body portion (2c) that is elastically deformable in a small diameter direction at least on the insertion side, and the insertion side is elastically deformed to a small diameter so that a steel material through hole (p) is formed.
1) Insert into the inside of the steel material and use the restoring force of the elastic
The two-steel material fastening structure according to claim 9, which is inscribed in 1). 12. The wedge holding part (33) is provided on the second steel material (P2) side of the nut stopper (2), and the wedge holding part (33) is provided.
The two-steel material fastening structure according to claim 5, 8 , 9 , 10, or 11 , characterized in that the wedge pair (4) can be engaged in advance with. 13. The wedge holding portion (33) is fixed to the fixing nut (3).
Provided in the second steel (P2) side of claim 5, characterized in that as definitive engaged previously engaging the wedge contraposition (4) the wedge holder (33), 8,9,10 or 11, wherein Two steel fastening structure. 14. The bolt (7) is tightened through a tightening confirmation seal (9) which is deformed by tightening with a predetermined torque,
The two-steel material fastening structure according to any one of claims 1 to 13 , characterized in that the state of the tightening confirmation seal (9) can be visually observed from the outside. 15. Fastening used in the fastening structure according to claim 1.
The bolt (7) of the component , the bolt (7) is the head (7)
Between a) and the male screw portion (7d), a circular barrel portion (7b) having a diameter larger than the screw portion diameter (φ2), and a conical portion tapering from the barrel portion (7b) toward the male screw portion (7d). (7c) is provided, The fastening component characterized by the above-mentioned. 16. Fastening used in the fastening structure according to claim 1.
It is a wedge pair (4) of the parts , and the wedge pair (4) is an inclined surface (5).
the first wedge plate (5) having a) and the second wedge plate (6) having an inclined surface (6a) in the direction opposite to the wedge plate (5), the meat of both wedge plates (5, 6). The tapered long holes (52, 62) tapering from the thick end side to the thin end side are provided, and the inclined surface (5a,
6a) are face-to-face with each other, the long hole small diameter portion ( r1, r
Fastening characterized by being slidable within a range from the minimum wedge pair thickness (t) through which 2) communicates to the maximum wedge pair thickness (t) through which the large hole large diameter portions (R1, R2) communicate. parts. 17. In the wedge pair (4), at least in the tapered long hole (62) of the second wedge plate (6), an inclined circumference corresponding to the inclination angle (θ) of the bolt cone portion (7c) according to claim 15. A surface (62a) is provided so that the conical portion (7c) can come into surface contact with the inclined peripheral surface (62a).
The fastening component according to claim 16 . 18. In a wedge pair (4), a taper elongated hole (5) is held by a first wedge plate (5) and a second wedge plate (6) while holding them so as to face each other. 52, 62) wedge guides (54, 54) that allow sliding in the longitudinal direction.
64) or 16).
The fastening part according to item 17 . 19. In the wedge pair (4), a nut that engages with a nut function portion (1) provided on the wedge pair mounting steel material on one of the first wedge plate (5) and the second wedge plate (6). Engagement part (5
6. The method according to claim 16, further comprising 6).
Or the fastening part described in 18 . 20. A nut stopper (2) for a fastening part used in a nut function portion (1) of a fastening structure according to claim 9 , wherein the nut stopper (2) is inserted into the first steel material through hole (p1). On the inner peripheral side of the tubular body (2a), a fixing nut (3)
Either one of a female screw (21) that is screwed to the fixed nut (3) and a nut locking claw (24) that locks to the fixed nut (3), and an insertion limiting flange (22) at least on the rear outer peripheral side. Fastening parts characterized by. 21. In the nut stopper (2), the nut stopper (2) is provided with a split body (2b) having a split groove (26) along the entire length in the insertion direction, and is inserted into the steel material through hole (p1). 21. The fastening component according to claim 20 , wherein the split body portion (2b) can be elastically deformed to have a smaller diameter than the steel material through hole (p1) when it is inserted. 22. In the nut stopper (2), the nut stopper (2) has a grooved body portion (2c) having a slit (27) parallel to the insertion direction at least on the insertion side, and a steel through hole ( p1), the slit (2
21. The fastening component according to claim 20 , wherein the forming range of 7) can be elastically deformed to a smaller diameter than the steel through hole (p1). 23. A fixing nut (3) for a fastening part used in a nut function part (1) of a fastening structure according to claim 9 ,
The fixing nut (3) comprises a nut body (3b) screwed into the nut stopper (2) according to claim 20 , and a nut head (3a) abutting on the rear surface of the first steel material (P1). A fastening part characterized in that the body portion (3b) is screwed into the nut stopper (2). 24. A fixing nut (3) for a fastening component used in a nut function portion (1) of the fastening structure according to claim 9 ,
The fixing nut (3) comprises a nut body (3b) to be inserted into the nut stopper (2) according to claims 21 and 22 , and a nut head (3a) which comes into contact with the rear surface of the first steel material (P1). When mounted on the nut stopper (2), the nut body (3
Nut locking claw of the nut stopper (2 ) according to claim 20, in b).
A fastening part comprising a metal fitting locking part (34) for locking to (24) . 25. In the fixing nut (3), the fixing nut (3) is provided with a wedge holding portion (33) which is exposed to the second steel material (P2) side when attached to the nut stopper (2). 25. Fastening component according to claim 23 or 24 , characterized in that the retaining part (33) is adapted to engage the wedge pair (4) according to claim 19 . 26. Fastening used in the fastening structure according to claim 7.
A tightening ring (8) for a part, and a tightening ring (8)
Is a metal material that is harder than steel material, and is provided with a reaction force receiver (18) on the bearing surface side that bites into the steel material and frictionally joins in accordance with the tightening of the bolt (7). 27. Fastening used in the fastening structure according to claim 7.
A tightening ring (8) for a part, and a tightening ring (8)
Is formed of a metal material that is softer than steel material, and is provided with a reaction force receiver (18) on the seating surface side that makes curved contact with the steel material or frictionally joins to the steel material according to the tightening of the bolt (7). . 28. Fastening part according to claim 26 or 27 , characterized in that the fastening ring (8) comprises a tool engaging part (8b) of the rotary tool (D). 29. Tightening used in the fastening structure according to claim 14.
It is a tightening confirmation seal (9) for the fastening parts , and the confirmation seal (9) is crushed between the front surface plate (9a) and the rear surface plate (9b) with a constant torque to remove the double-sided plates (9a, 9b). A fastening component comprising a deformation layer (9c) protruding to the outer periphery.