CN115818420A - A modular construction method for a steel structure catwalk in a confined space - Google Patents

Abstract

The invention relates to the technical field of modular construction of a bridleway, in particular to a modular construction method for a steel structure bridleway in a limited space, including a hoisting device, the hoisting device including a pull plate, a hook, a pulley, a hook weighing beam, and a disassembly mechanism As well as the anti-off support mechanism, the pull plate is provided with two sets, and the pulley and the hook beam are located between the two sets of pull plates, the hook is connected with the hook beam, and the disassembly mechanism passes through the pull plate and the hook beam setting, the anti-off support mechanism is arranged on the surface of the disassembly mechanism; the beneficial effect is: through the limit pin shaft through the top holding limit block and the top holding telescopic rod, so as to limit the top holding telescopic rod, the top holding telescopic rod and the top holding telescopic rod The telescopic cylinder and the top-holding rotating clamp always contact the pull plate, thereby increasing the axial load of the connecting shaft, preventing the connecting shaft from falling off, and increasing the bearing capacity of the connecting shaft. Otherwise, the hook is disassembled to prevent the lifting device from being damaged. Hooks pose safety hazards to operators.

Description

A modular construction method for a steel structure catwalk in a confined space

technical field

The invention relates to the technical field of modular construction of a horse track, in particular to a modular construction method for a steel structure horse track in a limited space.

Background technique

With the rapid development of the economy and the improvement of the level of social construction, various new structural methods emerge in an endless stream, among which the application of steel structures is becoming more and more extensive. With the vigorous development of high-tech industries, the country’s strong support for the semiconductor industry, the demand for electronic products is increasing, and the construction of a large number of high-tech factories is in full swing. In order to meet the needs of complex processes, steel structures have also become the design choice.

For the steel structure in the indoor confined space, if conventional hoisting is used, there will be disadvantages of limited construction space, difficult hoisting, and high risk factor; if the horseway structure is modularized, it can be divided into modules in advance according to the shape of the steel structure , and then assembled into different modules, the effect of the assembled modules is better than that of the current installation, the overall hoisting saves the construction period, and different numbers of lifting rings can be set according to the size of the steel structure components, which is suitable for installation in various indoor steel structure shapes.

However, during the modular construction of the steel structure horseway in the existing indoor confined space, the hook used is a locked structure, so that after the hoisting operation is completed, the hook needs to be disassembled with the hoisting device as a whole, resulting in the lifting of the hoisting device when the hoisting device is disassembled. The hook touches the operator, thereby causing a safety hazard to the operator.

Contents of the invention

The object of the present invention is to provide a modular construction method for a steel structure catwalk in a limited space, so as to solve the problem of difficulty in pulling out a blanking platform.

To achieve the above object, the present invention provides the following technical solutions:

A modular construction method for a steel structure horseway in a confined space, including a hoisting device, the hoisting device includes a pull plate, a hook, a pulley, a hook balance beam, a disassembly mechanism, and an anti-off support mechanism, and the pull plate is provided with two sets of , and the pulley and the hook beam are located between the two sets of pull plates, the hook is connected to the hook beam, and the disassembly mechanism is set through the pull plate and the hook beam, and the anti-off support mechanism is set on the surface of the disassembly mechanism , the method includes the following steps:

Step 1: Limit and fix the hook balance beam and the hook through the disassembly structure;

Step 2: Use the anti-off supporting mechanism to support the anti-off limit of the disassembly mechanism to prevent the disassembly mechanism from falling off.

Preferably, the dismounting mechanism includes a connecting block, a connecting shaft and a limiter, the connecting shaft is set through the pull plate and the hook balance beam, the connecting block is connected to the connecting shaft and is located outside the pull plate, and the connecting block The diameter of the block is greater than the diameter of the connecting shaft, and the limit piece is limited to the connecting shaft and the hook and the weighing beam.

Preferably, the limiter includes a connection limit spring, a connection limit groove and a connection limit block, the connection limit spring is provided on the surface of the connection shaft, and the cross section is in the shape of a "匚" shape, and the connection limit groove is set on Inside the connection limit spring, one end of the connection limit groove is connected to the connection limit spring, and the other end is connected to the connection limit block. An inclined plane is provided on the surface of one end of the connecting shaft and away from the connecting block, and the transverse length of the inclined plane is greater than the protruding length of the connecting limiting block.

Preferably, a pressing groove is provided on the surface of the connecting block away from the connecting shaft. The cross section of the pressing groove is in the shape of a "匚" shape. A pressing spring and a pressing block are arranged inside the pressing groove. One end of the pressing spring is connected to the pressing groove, and One end is connected with the pressing block, and the pressing spring is always in a compressed state.

Preferably, pressing guide grooves are provided on both sides of the pressing groove, and a pressing guide plate is provided on the surface of the pressing block, and the pressing guide plate is located inside the pressing guide groove, and the cross-sections of the pressing guide groove and the pressing guide plate are in the shape of “匚” , and the pressing guide plate cooperates with the pressing guide groove to limit the position of the pressing block, and the surface of the end of the pressing block away from the connecting shaft is provided with a traction groove, and a traction rope is connected inside the traction groove, and the other end of the traction rope passes through the connecting block and the connecting shaft And connected with the connection limit block.

Preferably, the anti-off support mechanism includes a storage slot, a fixed draw slot, a rotating clamp and a support member, the storage slot is set on the surface of the connecting shaft, and the angle between the connecting shaft and the connecting limit block is 90 degrees, and the rotating clamp The hinge is arranged inside the storage slot, and the fixed draw slot is opened on the surface of the storage slot away from the connecting block, and has a ring structure.

Preferably, the surface of the fixed drawer is provided with a top-holding limit block, the top-hold limit block has a "匚"-shaped structure, and the surface of the top-hold limit block is plugged with a limit pin, and the rotating clamp is close to the top-hold limit. One end surface of the block is provided with a storage limit hole, and the surface of the storage limit block is provided with a storage limit hole.

Preferably, a telescopic storage slot is provided on the surface of the rotating pallet close to the storage slot. The cross section of the telescopic storage slot is in the shape of a "匚" shape, and the support is arranged inside the telescopic storage slot. The support includes a top-holding telescopic tube and a The top-holding telescopic rod, one end of the top-holding telescopic cylinder is hinged with the telescopic storage slot through the top-holding shaft, the top-holding telescopic rod is inserted into the end of the top-holding telescopic cylinder away from the connection limit groove, and the top-holding telescopic rod is far away from the surface of the end of the top-holding telescopic cylinder A through hole is provided, and the diameter of the through hole is equal to the diameter of the limit pin shaft.

Preferably, the inside of the telescopic cylinder is provided with a connection limit groove, which is rotatably connected to the insertion end of the telescopic rod, and a telescopic guide groove is provided on the surface of the telescopic cylinder, and a telescopic guide groove is provided inside the telescopic guide groove. A telescopic pull rod, and one end of the telescopic pull rod is connected with the connection limit groove.

Preferably, the telescopic guide grooves include transverse guide grooves and limit guide grooves. There are multiple sets of transverse guide grooves arranged in a line distribution. The grooves are connected with multiple groups of transverse guide grooves, and the angle between the transverse guide grooves and the limit guide grooves is 90 degrees, and the corresponding arc length of the transverse guide grooves is 90 degrees.

In the present invention, by holding the connection block, the connection shaft passes through the pull plate and the hook balance beam. When the pull plate touches the inclined surface provided on the surface of the connection limit block, the connection limit block is pressed into the inside of the connection limit spring, so as not to Affect the movement of the connecting shaft until the connecting stopper is attached to the pull plate, the connecting limit groove supports the connecting limit block and extends out of the connecting shaft to limit the connecting shaft and the hook beam, and complete the adjustment of the hook and the hook beam installation, and then take out the limit pin shaft from the top holding limit block and the inside of the storage limit hole, so as to turn the rotating clamp outward, so that the rotating clamp fits the pull plate, and then pull the top holding telescopic tube from the telescopic storage Take out the inside of the slot, slide the telescopic pull rod inside the telescopic guide slot, drive the connection limit slot and the top holding telescopic rod to extend out of the top holding telescopic tube, and multiple sets of transverse guide grooves facilitate the adjustment of the extension length of the top holding telescopic rod until the top holding One end of the telescopic rod enters the inside of the top holding limit block, and then passes through the top holding limit block and the top holding telescopic rod through the limit pin shaft, so as to limit the top holding telescopic rod, and the top holding telescopic rod cooperates with the top holding telescopic cylinder Hold the rotating clamping plate in contact with the pull plate all the time, thereby increasing the axial load of the connecting shaft, preventing the connecting shaft from falling off, and increasing the bearing capacity of the connecting shaft. Otherwise, the hook is disassembled to prevent the hook from causing damage to the operator when the lifting device is disassembled. create safety hazards.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a partial three-dimensional structure schematic diagram of the present invention;

Fig. 3 is a front view three-dimensional structure schematic diagram of the present invention holding the telescopic cylinder and the telescopic pull rod;

Fig. 4 is a rear view three-dimensional structure schematic diagram of the present invention holding the telescopic cylinder and the telescopic pull rod;

Fig. 5 is a schematic diagram of the three-dimensional structure of the telescoping cylinder of the present invention;

Fig. 6 is a schematic cross-sectional three-dimensional structure diagram of the connecting block and the connecting shaft of the present invention.

In the figure: pull plate 1, hook 2, connecting block 3, connecting shaft 4, connecting limit block 5, pulley 6, hook weighing beam 7, storage groove 8, fixed draw groove 9, top holding limit block 10 , limit pin shaft 11, top holding telescopic rod 12, top holding telescopic tube 13, telescopic pull rod 14, telescopic guide groove 15, lateral guide groove 1501, limit guide groove 1502, rotating clamping plate 16, telescopic storage groove 17, storage Limiting block 18, receiving limit hole 19, supporting rotating shaft 20, connecting limit groove 21, connecting limit spring 22, traction rope 23, pressing guide groove 24, pressing guide plate 25, pressing block 26, traction groove 27, Press spring 28, press groove 29.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to Fig. 1 to Fig. 6, the present invention provides a technical solution:

A modular construction method for a steel structure horseway in a confined space, including a hoisting device, the hoisting device includes a pull plate 1, a hook 2, a pulley 6, a hook weighing beam 7, a disassembly mechanism and an anti-off support mechanism, and the pull plate 1 is set There are two groups, and the pulley 6 and the hook balance beam 7 are located between the two sets of pull plates 1, the hook 2 is connected to the hook balance beam 7, and the disassembly mechanism is set through the pull plate 1 and the hook balance beam 7, The anti-off supporting mechanism is arranged on the surface of the dismounting mechanism, and the method includes the following steps: Step 1: Limit and fix the hook beam 7 and the hook 2 through the dismounting structure; Step 2: Use the anti-off supporting mechanism to fix the dismounting mechanism The anti-off limit support prevents the disassembly mechanism from falling off; the disassembly mechanism includes a connecting block 3, a connecting shaft 4 and a limit piece, the connecting shaft 4 is set through the pull plate 1 and the hook beam 7, and the connecting block 3 and The connecting shaft 4 is connected and located outside the pull plate 1, and the diameter of the connecting block 3 is larger than the diameter of the connecting shaft 4, and the limiting member limits the position of the connecting shaft 4 and the hook beam 7.

In the present invention, it can be further set that the limit member includes a connection limit spring 22, a connection limit groove 21 and a connection limit block 5, the connection limit spring 22 is provided on the surface of the connection shaft 4, and the cross section is in the shape of a "匚" , the connection limit groove 21 is arranged inside the connection limit spring 22, one end of the connection limit groove 21 is connected with the connection limit spring 22, and the other end is connected with the connection limit block 5, and the connection limit block 5 is far away from the connection limit groove 21 One end protrudes from the connection shaft 4, and the connection limit block 5 extends from one end of the connection shaft 4 and is provided with a slope on the side surface away from the connection block 3, and the lateral length of the slope is greater than the extension length of the connection limit block 5; the connection block 3 A pressing groove 29 is provided on the surface away from the connecting shaft 4, the cross section of the pressing groove 29 is in the shape of a "匚" shape, and a pressing spring 28 and a pressing block 26 are arranged inside the pressing groove 29, and one end of the pressing spring 28 is connected to the pressing groove 29, The other end is connected with the pressing block 26, and the pressing spring 28 is always in a compressed state.

The present invention can be further set as, press groove 29 both sides are provided with press guide groove 24, press block 26 surface is provided with press guide plate 25, and press guide plate 25 is positioned at press guide groove 24 inside, press guide groove 24 and press guide plate The cross sections of 25 are all in the shape of "匚", and the pressing guide plate 25 cooperates with the pressing guide groove 24 to limit the position of the pressing block 26, and the surface of the end of the pressing block 26 away from the connecting shaft 4 is provided with a traction groove 27, and the traction groove 27 is internally connected. There is a traction rope 23, and the other end of the traction rope 23 passes through the connection block 3 and the connection shaft 4 and is connected to the connection limit block 5; the anti-off support mechanism includes a storage groove 8, a fixed draw groove 9, a rotating clamp 16 and a support The receiving slot 8 is set on the surface of the connecting shaft 4, and the angle between the connecting shaft 4 and the connecting limit block 5 is 90 degrees, the rotating clamping plate 16 is hingedly arranged inside the receiving slot 8, and the fixed drawing slot 9 is opened in the receiving slot 8 The side surface away from the connecting block 3 has a ring structure.

The present invention can be further configured as follows: the surface of the fixed drawer 9 is provided with a top-holding limit block 10, the top-hold limit block 10 has a "匚"-shaped structure, and the surface of the top-hold limit block 10 is plugged with a limit pin 11, Rotating clamp 16 is provided with storage limit hole 19 near the surface of one end of top holding limit block 10, and the surface of storage limit block 18 is provided with storage limit hole 19, and storage limit hole 19 is arranged through storage limit block 18, and The width of the storage limit block 18 is equal to the width of the inner diameter of the top limit block 10; the surface of the rotating clamp 16 close to the storage groove 8 is provided with a telescopic storage groove 17, and the cross section of the telescopic storage groove 17 is a "匚"-shaped structure, and the support Set inside the telescopic storage tank 17, the supporting member includes a telescopic cylinder 13 and a telescopic rod 12, one end of the telescopic cylinder 13 is hinged to the telescopic storage groove 17 through a shaft 20, and the telescopic rod 12 is inserted into the top The end of the holding telescopic cylinder 13 away from the connection limit groove 21, and the end surface of the holding telescopic rod 12 away from the top holding telescopic cylinder 13 is provided with a through hole, and the diameter of the through hole is equal to the diameter of the limit pin shaft 11.

The present invention can be further set as, the top holding telescopic cylinder 13 is provided with a connection limit groove 21 inside, the connection limit groove 21 is rotationally connected with the plug end of the top holding telescopic rod 12, and the surface of the top holding telescopic cylinder 13 is provided with a telescopic guide groove 15. A telescopic pull rod 14 is arranged inside the telescopic guide groove 15, and one end of the telescopic pull rod 14 is connected to the connection limit groove 21; , and distributed in a line, the limit guide groove 1502 is set parallel to the axis line of the top holding telescopic tube 13, and the limit guide groove 1502 is connected with multiple sets of transverse guide grooves 1501, and the transverse guide groove 1501 is clamped with the limit guide groove 1502 The angle is ninety degrees, and the corresponding arc length of the transverse guide groove 1501 is ninety degrees.

When it is necessary to install the hook 2, hold the connecting block 3, pass the connecting shaft 4 through the pull plate 1 and the hook beam 7, and when the pull plate 1 touches the slope provided on the surface of the connecting limit block 5, the connecting limit block 5 is pressed into the inside of the connection limit spring 22, so as not to affect the movement of the connection shaft 4, until the connection block 3 fits the pull plate 1, the connection limit groove 21 supports the connection limit block 5 and protrudes out of the connection shaft 4 to connect Shaft 4 and hook beam 7 limit the position, complete the installation of hook 2 and hook beam 7, and then take out the limit pin 11 from the top holding limit block 10 and the storage limit hole 19, so that the The rotating clamp 16 is turned outward so that the rotating clamp 16 fits the pull plate 1, and then the top-holding telescopic tube 13 is taken out from the telescopic storage groove 17, and the telescopic pull rod 14 slides inside the telescopic guide groove 15 to drive the connection limit The groove 21 and the supporting telescopic rod 12 protrude from the supporting telescopic tube 13, and multiple sets of transverse guide grooves 1501 are convenient for adjusting the extension length of the supporting telescopic rod 12 until one end of the supporting telescopic rod 12 enters the inside of the supporting limit block 10, Pass through the top holding limit block 10 and the top holding telescopic rod 12 through the limit pin shaft 11, thereby the top holding telescopic rod 12 is limited, and the top holding telescopic rod 12 cooperates with the top holding telescopic tube 13 to hold the rotating clamp 16 Always contact the pull plate 1, thereby increasing the axial load of the connecting shaft 4, preventing the connecting shaft 4 from falling off, and increasing the bearing capacity of the connecting shaft 4, otherwise, the hook 2 is disassembled to prevent the hook 2 from being damaged when the lifting device is disassembled. Workers have potential safety hazards.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A modular construction method for a restricted space steel structure berm is characterized by comprising the following steps: including hoist device, hoist device includes arm-tie (1), lifting hook (2), pulley (6), lifting hook weighing apparatus roof beam (7), dismouting mechanism and anticreep supporting mechanism, arm-tie (1) is provided with two sets ofly, and pulley (6) and lifting hook weighing apparatus roof beam (7) are located between two sets of arm-ties (1), and lifting hook (2) are connected with lifting hook weighing apparatus roof beam (7), and dismouting mechanism passes arm-tie (1) and lifting hook weighing apparatus roof beam (7) setting, anticreep supporting mechanism sets up on dismouting mechanism surface, and the method includes following step:

the method comprises the following steps: the lifting hook balance beam (7) and the lifting hook (2) are limited and fixed through a dismounting structure;

step two: the anti-falling support mechanism is used for limiting and supporting the anti-falling of the dismounting mechanism, so that the dismounting mechanism is prevented from falling off.

2. The modular construction method of the restricted space steel structure roadway according to claim 1, wherein: dismouting mechanism is including connecting dog (3), connecting axle (4) and locating part, and connecting axle (4) pass arm-tie (1) and lifting hook weighing apparatus roof beam (7) setting, connect dog (3) and are connected with connecting axle (4), and are located the arm-tie (1) outside, and connect dog (3) diameter and be greater than connecting axle (4) diameter, and the locating part is spacing connecting axle (4) and lifting hook weighing apparatus roof beam (7).

3. The modular construction method of the restricted space steel structure roadway according to claim 2, wherein: the locating part is including connecting spacing spring (22), connect spacing groove (21) and connect stopper (5), connect spacing spring (22) and set up on connecting axle (4) surface, and transversal personally submit "Contraband" font structure, connect inside spacing groove (21) setting is connecting spacing spring (22), connect spacing groove (21) one end and be connected spacing spring (22), the other end with be connected stopper (5) and be connected, it stretches out connecting axle (4) setting to keep away from to connect spacing groove (21) one end to connect stopper (5), and connect stopper (5) stretch out connecting axle (4) one end and keep away from to connect stopper (3) side surface and seted up the inclined plane, and the horizontal length in inclined plane is greater than and connects stopper (5) extension length.

4. The modular construction method of the restricted space steel structure roadway according to claim 3, wherein: the connecting block (3) is far away from the surface of one side of the connecting shaft (4) and is provided with a pressing groove (29), the cross section of the pressing groove (29) is of a structure in the shape of Contraband, a pressing spring (28) and a pressing block (26) are arranged in the pressing groove (29), one end of the pressing spring (28) is connected with the pressing groove (29), the other end of the pressing spring is connected with the pressing block (26), and the pressing spring (28) is always in a compression state.

5. The modular construction method of the restricted space steel structure roadway according to claim 4, wherein: according to pressure tank (29) both sides seted up and pressed guide way (24), press according to guide block (26) surface to be provided with and press down deflector (25), and press down deflector (25) and be located and press down inside guide way (24), press down guide way (24) and press down deflector (25) cross section and all be "Contraband" font structure, and press down deflector (25) and press down guide way (24) cooperation to pressing down guide block (26) spacing, and press down guide way (26) and keep away from connecting axle (4) one end surface and seted up pull groove (27), pull groove (27) internal connection has haulage rope (23), and haulage rope (23) other end pass connect dog (3) and connecting axle (4) and with be connected stopper (5) and be connected.

6. The modular construction method of the restricted space steel structure roadway according to claim 5, wherein: anticreep supporting mechanism is including accomodating groove (8), fixed groove (9) of taking out, rotates cardboard (16) and support piece, accomodates groove (8) and offers on connecting axle (4) surface, and connecting axle (4) and connection stopper (5) contained angle are ninety degrees, rotates cardboard (16) and articulates and sets up and is accomodating inside groove (8), and fixed groove (9) of taking out is offered and is kept away from connection dog (3) a side surface in accomodating groove (8), and is the loop configuration.

7. The modular construction method for the restricted space steel structure roadway according to claim 6, wherein: the fixed draw-out groove (9) surface is provided with the top and holds stopper (10), the top is held stopper (10) and is "Contraband" font structure, and the top is held stopper (10) surface and is pegged graft and have spacing round pin axle (11), it is provided with near the top and accomodates spacing hole (19) to rotate cardboard (16), and accomodate stopper (18) surface and seted up and accomodate spacing hole (19), accomodate spacing hole (19) and run through and accomodate stopper (18) setting, and accomodate stopper (18) width and equal the top and hold stopper (10) internal diameter width.

8. The modular construction method of the restricted space steel structure roadway according to claim 7, wherein: rotate cardboard (16) and be close to and accomodate groove (8) one side surface and seted up flexible groove (17) of accomodating, the flexible groove (17) of accomodating is transversal personally submits "Contraband" font structure, and support piece sets up and accomodate inside groove (17) telescopically, support piece holds telescopic cylinder (13) and top telescopic link (12) including the top, it holds pivot (20) and flexible groove (17) articulated to hold in top telescopic cylinder (13) one end, it pegs graft and holds telescopic cylinder (13) in top and keep away from connecting spacing groove (21) one end to hold telescopic link (12) in top, and hold telescopic link (12) in top and keep away from top and hold telescopic cylinder (13) one end surface and seted up the through-hole, and the through-hole diameter equals spacing round pin axle (11) diameter.

9. The modular construction method of the restricted space steel structure roadway according to claim 8, wherein: the connecting limiting groove (21) is formed in the jacking telescopic cylinder (13), the connecting limiting groove (21) is rotatably connected with the plugging end of the jacking telescopic rod (12), the telescopic guide groove (15) is formed in the surface of the jacking telescopic cylinder (13), the telescopic pull rod (14) is arranged in the telescopic guide groove (15), and one end of the telescopic pull rod (14) is connected with the connecting limiting groove (21).

10. The modular construction method for the restricted space steel structure berm according to claim 9, characterized in that: the telescopic guide groove (15) comprises a transverse guide groove (1501) and a limiting guide groove (1502), the transverse guide groove (1501) is provided with a plurality of groups and is distributed by lines, the limiting guide groove (1502) is parallel to the axis of the top-supported telescopic cylinder (13), the limiting guide groove (1502) is connected with the plurality of groups of transverse guide grooves (1501), the included angle between the transverse guide groove (1501) and the limiting guide groove (1502) is ninety degrees, and the corresponding arc length of the transverse guide groove (1501) is ninety degrees.

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