CN110528712B - Deformation joint unit and deformation joint structure - Google Patents
Deformation joint unit and deformation joint structure Download PDFInfo
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- CN110528712B CN110528712B CN201910696399.4A CN201910696399A CN110528712B CN 110528712 B CN110528712 B CN 110528712B CN 201910696399 A CN201910696399 A CN 201910696399A CN 110528712 B CN110528712 B CN 110528712B
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- assembly
- track plate
- deformation joint
- plate
- cavity
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6803—Joint covers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a deformation joint unit and a deformation joint structure, which comprise: upper portion subassembly, lower part subassembly, connection hasp, upper portion subassembly, lower part subassembly all include: the bearing assembly comprises a fixed plate and a rolling bearing arranged on the fixed plate, and an arc-shaped groove is formed in the outer wall of the rolling bearing; the track plate is provided with a cavity for accommodating the rolling bearing, the cavity longitudinally penetrates through the track plate, and two sides of the cavity are provided with protruding parts matched with the arc-shaped grooves; the upper assembly and the lower assembly are arranged up and down, the fixing plate of the upper assembly is fixedly connected with the fixing plate of the lower assembly through the connecting lock catch, and the longitudinal direction of the track plate of the upper assembly is vertical to the longitudinal direction of the track plate of the lower assembly, and the building engineering technical field is related. The invention has the advantages of smoother use, lower noise, lower failure rate, convenient manufacture and installation, easy and rapid construction and wider application range.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a deformation joint structure of a deformation joint unit capable of resisting multidirectional displacement.
Background
In the construction process of building, bridge, highway, pipeline, etc., the situation that a large gap exists between two structures is often encountered, and the gap needs to be covered for passing, waterproofing or arranging other structures at the gap position due to use or construction needs; however, when the two structures expand with heat and contract with cold or are disturbed by the outside, a multidirectional relative displacement occurs, so a deformation joint device needs to be arranged at the gap, the deformation joint device needs to resist the multidirectional displacement between the two structures, has strong rigidity and waterproof performance, and keeps relatively stable when the two structures displace relatively.
The existing deformation joint device has the following defects: 1. most resist only one-way displacement; 2. when the two structures are displaced relatively, the relative stability cannot be kept, and the passing on the deformation joint device is influenced or other structures are influenced; 3. in order to achieve the purpose of multidirectional deformation, one end of the elastic deformation is changed into a free end, one end constraint is sacrificed, and potential safety hazards exist; 4. when displacement occurs, sliding friction is often caused, noise is high, and the failure rate is high; 5. the method is only suitable for the condition that the top surfaces of two structures are flush, and large improvement is needed for the non-flush surfaces, so that the applicability is poor; 6. in order to meet the requirement of deformation, the surface is provided with a gap for expansion and contraction, so that the waterproof function is not realized; 7. the assembly is more, and the installation is complicated.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a deformation joint unit and a deformation joint structure which can resist multidirectional displacement, have low noise and are stable to use.
The present invention provides a deformation joint unit, comprising:
upper portion subassembly, lower part subassembly, connection hasp, upper portion subassembly, lower part subassembly all include:
the bearing assembly comprises a fixed plate and a rolling bearing arranged on the fixed plate, and an arc-shaped groove is formed in the outer wall of the rolling bearing;
the track plate is provided with a cavity for accommodating the rolling bearing, the cavity longitudinally penetrates through the track plate, and two sides of the cavity are provided with protruding parts matched with the arc-shaped grooves;
the upper assembly and the lower assembly are arranged up and down, the fixing plate of the upper assembly is fixedly connected with the fixing plate of the lower assembly through the connecting lock catch, and the longitudinal direction of the track plate of the upper assembly is mutually vertical to the longitudinal direction of the track plate of the lower assembly.
On the basis of the technical scheme, the rolling bearings are multiple in number and are arranged at intervals along the longitudinal direction of the cavity.
On the basis of the technical scheme, the number of the rolling bearings is even, the rolling bearings are symmetrically arranged in the cavity in two rows, and each row is arranged at intervals along the longitudinal direction of the cavity.
On the basis of the technical scheme, the number of the rolling bearings is 4, and the rolling bearings of the upper assembly and the rolling bearings of the lower assembly are arranged in an up-and-down overlapping mode.
On the basis of the technical scheme, the track slab is also provided with a limiting plate for plugging the cavity at the end of the cavity.
The present invention also provides a deformation joint structure for connecting two structures, comprising:
the cover plate comprises a main body part and a bending part which is connected with the main body part and is used for being connected with one structure;
at least one deformation joint unit, wherein the track plate of the upper assembly is fixedly connected with the main body part or another structure, and the track plate of the lower assembly is fixedly connected with the main body part or another structure;
when the track plate of the upper assembly is fixedly connected to the main body part and the track plate of the lower assembly is fixedly connected to another structure, the track plate of the lower assembly is arranged in parallel or vertically to the other structure; when the track plate of the upper assembly is fixedly connected to another structure and the track plate of the lower assembly is fixedly connected to the main body, the track plate of the upper assembly is arranged parallel or perpendicular to the other structure.
On the basis of the technical scheme, the main body part covers the track plate of the upper component and the track plate of the lower component.
On the basis of the technical scheme, the track plate is provided with a threaded hole, and the track plate is fixedly connected with the main body part or another structure through an expansion bolt.
On the basis of the technical scheme, the deformation joint structure further comprises a flexible waterproof rubber skin for connecting the two structures.
On the basis of the technical scheme, the bent part is provided with a bolt hole and is fixedly connected with the side wall or the top surface of a structure on one side through an expansion bolt; structural adhesive is further arranged at the joint of the bending part and the structure.
Compared with the prior art, the invention has the following advantages:
(1) the deformation joint unit adopts the technical scheme that bearing assemblies are arranged in the track plate cavities of the upper assembly and the lower assembly to resist unidirectional displacement, the upper assembly and the lower assembly are arranged up and down to resist multidirectional displacement, and a rolling bearing can convert sliding friction into rolling friction, so that the deformation joint unit is smoother to use, has lower noise and has lower failure rate; and the bearing assembly and the track slab can be manufactured in a modularized mode, the manufacturing and the installation are convenient, and the rapid construction is easy.
(2) The deformation joint structure adopts at least one deformation joint unit, one of the upper assembly and the lower assembly is fixedly connected with a structure on one side to form a fixed end, the other of the upper assembly and the lower assembly is fixedly connected with the main body part of the cover plate to form free ends in two directions of vertical and horizontal, and the stability of the deformation joint structure is ensured on the premise of meeting the requirement of multidirectional displacement to the maximum extent; the deformation joint structure is not only suitable for the condition that the elevations of the two structures are flush, but also can be applied only by changing the size of the bent part of the cover plate when the elevations of the two structures are not flush, and has wider application range.
Drawings
FIG. 1 is a top view of a deformation joint unit structure according to an embodiment of the present invention;
FIG. 2 is a front view of a deformation joint unit structure according to an embodiment of the present invention;
FIG. 3 is a top view of the upper and lower assembly structures of an embodiment of the present invention;
FIG. 4 is a front view of the upper and lower assembly structures of an embodiment of the present invention;
FIG. 5 is a top view of a bearing assembly construction of an embodiment of the present invention;
FIG. 6 is a front view of a bearing assembly configuration according to an embodiment of the present invention;
fig. 7 is a top view of a track plate structure according to an embodiment of the present invention;
FIG. 8 is a front view of a track plate structure of an embodiment of the present invention;
FIG. 9 is a top view of a deformation joint configuration according to an embodiment of the present invention;
FIG. 10 is a view from A-A in FIG. 9;
fig. 11 is a view from B-B in fig. 9.
Reference numerals: 1-upper part subassembly, 2-lower part subassembly, 3-connect hasp, 4-bearing subassembly, 41-fixed plate, 42-antifriction bearing, 43-arc recess, 5-track board, 51-cavity, 52-bulge, 53-limiting plate, 6-apron, 61-main part, 62-kink, 7-flexible waterproof rubber skin, 8-structure.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention provides a deformation joint unit including:
upper portion subassembly 1, lower part subassembly 2, connecting lock catch 3, upper portion subassembly 1, lower part subassembly 2 all include:
the bearing assembly 4 comprises a fixed plate 41 and a rolling bearing 42 arranged on the fixed plate 41, wherein an arc-shaped groove 43 is arranged on the outer wall of the rolling bearing 42;
the track plate 5 is provided with a cavity 51 for accommodating the rolling bearing 42, the cavity 51 penetrates through the track plate 5 along the longitudinal direction, and two sides of the cavity 51 are provided with protruding parts 52 matched with the arc-shaped grooves 43;
the upper assembly 1 and the lower assembly 2 are arranged up and down, the fixing plate 41 of the upper assembly 1 and the fixing plate 41 of the lower assembly 2 are fixedly connected through the connecting lock catch 3, and the longitudinal direction of the track plate 5 of the upper assembly 1 is perpendicular to the longitudinal direction of the track plate 5 of the lower assembly.
The deformation joint unit adopts the structure that the bearing assemblies 4 are arranged in the cavities 51 of the track plates 5 of the upper assembly 1 and the lower assembly 2 to resist unidirectional displacement, the upper assembly 1 and the lower assembly 2 are arranged up and down to resist multidirectional displacement, and the rolling bearings 42 can convert sliding friction into rolling friction, so that the deformation joint unit is smoother to use, lower in noise and lower in failure rate; and the bearing assembly 4 and the track plate 5 can be manufactured in a modularized mode, so that the manufacturing and installation are convenient, and the rapid construction is easy.
In the present embodiment, it is preferable that the number of the rolling bearings 42 is plural, and the plural rolling bearings 42 are arranged at intervals along the longitudinal direction of the cavity 51; in the embodiment not shown in the figures, a plurality of rolling bearings 42 are arranged at intervals along the longitudinal direction of the cavity 51, so that the rolling bearings 42 can slide in the cavity 51, and the internal resistance of the deformation joint unit during movement is reduced.
Referring to fig. 5 to 6, in the present embodiment, preferably, the number of the rolling bearings 42 is an even number, the even number of the rolling bearings 42 are symmetrically arranged in two rows in the cavity 51, and each row is arranged at intervals along the longitudinal direction of the cavity 51; the rolling bearings 42 are symmetrically arranged in two rows, so that the rolling bearings can roll more smoothly and stably in the cavity 51. Further, the number of the rolling bearings 42 is 4, and the rolling bearings 42 of the upper assembly 1 and the rolling bearings 42 of the lower assembly 2 are overlapped up and down; the rolling bearing 42 can bear larger tensile and compressive stress while ensuring smooth rolling.
The rolling bearing 42 includes an outer ring, an inner ring, and a plurality of balls provided between the outer ring and the inner ring; threaded holes are formed in the center of the inner ring and corresponding positions on the fixing plate 41, and the rolling bearing 42 is fixedly connected with the fixing plate 41 through bolts; the inner ring is arranged on one side connected with the fixed plate 41 and protrudes out of the outer ring; in this embodiment, the rolling bearing 42 is a special drawable bearing, and has a high tensile and compressive strength.
In this embodiment, it is preferable that the track slab 5 is further provided with a limiting plate 53 at the end of the cavity 51 for blocking the cavity 51; the limit plate 53 is used to limit the rolling bearing 42 and prevent the rolling bearing from sliding out of the range of the track plate 5.
Referring to fig. 9 to 11, an embodiment of the present invention also provides a deformation joint structure for connecting two structures 8, including:
the cover plate 6 comprises a main body part 61 and a bent part 62 connected with the main body part 61 and used for being connected with one structure 8;
at least one deformation joint unit, wherein the track plate 5 of the upper assembly 1 is fixedly connected with the main body part 61 or another structure 8, and the track plate 5 of the lower assembly 2 is fixedly connected with the main body part 61 or another structure 8;
when the track plate 5 of the upper assembly 1 is fixedly connected to the main body part 61 and the track plate 5 of the lower assembly 2 is fixedly connected to another structure 8, the track plate 5 of the lower assembly 2 is arranged in parallel or vertically to the other structure 8; when the track plate 5 of the upper module 1 is fixedly connected to another structure 8 and the track plate 5 of the lower module 2 is fixedly connected to the main body portion 61, the track plate 5 of the upper module 1 is arranged parallel or perpendicular to the other structure 8.
The deformation joint structure adopts at least one deformation joint unit, one of the upper assembly 1 and the lower assembly 2 is fixedly connected with a structure 8 on one side to form a fixed end, the other of the upper assembly 1 and the lower assembly 2 is fixedly connected with a main body part 61 of a cover plate 6 to form a free end in two directions of vertical and horizontal, and the stability of the deformation joint structure is ensured on the premise of meeting multidirectional displacement to the maximum extent; the deformation joint structure is not only suitable for the condition that the elevations of the two structures 8 are flush, but also can be applied only by changing the size of the bent part 62 of the cover plate 6 when the elevations of the two structures 8 are not flush, and has wider application range.
In this embodiment, it is preferable that the main body portion 61 covers the track plate 5 of the upper module 1 and the track plate 5 of the lower module 2; the main body 61 of the cover plate 6 covers the track plate 5 of the upper module 1 and the track plate 5 of the lower module 2, so that the upper surface of the deformation joint structure is kept complete, and the deformation joint structure can bear other buildings or structures.
In this embodiment, it is preferable that the deformation joint structure further includes a flexible waterproof rubber 7 for connecting the two structures 8; the waterproof property of the deformation joint structure can be maintained by the flexible waterproof rubber 7 connecting the two structures 8.
In the use process of the embodiment, the deformation joint structure is installed and used as follows:
1. the bearing units 4 in the upper unit 1 and the lower unit 2 are assembled, and the rolling bearing 42 is bolted to the fixed plate 41 by a fixing bolt to form the bearing unit 4.
2. Assembling the track plates 5 in the upper assembly 1 and the lower assembly 2, inserting two refined track sliding rods into the rod grooves reserved on the left side and the right side of the cavity 51 to form a protruding part 52 matched with the arc-shaped groove 43 on the outer wall of the rolling bearing 42, installing limiting plates 53 at the head end and the tail end of the cavity 51, and fixing to form the track plates 5.
3. The cover plate 6 of the deformation joint structure is assembled, blanking and bending are carried out according to the height and the implementation width of structures 8 on two sides of the deformation joint structure, the cover plate 6 is made of stainless steel, and the deformation joint structure has the characteristics of corrosion resistance, high strength and high rigidity.
4. Installing the lower component 2, placing the assembled track plate 5 on the top of the lower side of the two structures 8 along the longitudinal direction of the deformation seam, drilling holes along the preset expansion bolt holes of the track plate 5 by using an electric drill, then driving expansion bolts, fixing the track plate 5 and the structures 8, and providing sliding displacement along the longitudinal direction of the deformation seam; then, the limit plate 53 on one side of the track plate 5 is unfastened, the assembled bearing assembly 4 is inserted into the cavity 51, the arc-shaped groove 43 on the outer wall of the rolling bearing 42 is clamped on the protrusion 52 of the track plate 5, and the limit plate 53 is restored.
5. Connect upper assembling 1 and apron 6, in the same way, another track board 5 and another bearing subassembly 4 fixed connection that will assemble, carry out fixed connection with track board 5 and apron 6 through the screw hole that reserves on apron 6 and the track board 5, the vertical with the track board 5 of lower part subassembly 2 of the track board 5 of upper assembling 1 provides the vertical sliding displacement of perpendicular to movement joint.
6. A flexible waterproof rubber sheet 7 is connected between the two structures 8 and bonded by a high-strength glue containing AB component.
7. Installing the upper assembly 1, installing the connected upper assembly 1 and the cover plate 6 above the deformation joint, adjusting the positions of the bearing assembly 4 of the upper assembly 1 and the bearing assembly 4 of the lower assembly 2 to ensure that the fixing plates 41 are overlapped together, and fixedly connecting the fixing plates 41 of the upper bearing assembly 4 and the lower bearing assembly 4 into a whole by using the connecting lock catches 3.
8. And an expansion bolt hole reserved along the deformation joint cover plate 6 is used for drilling a structure 8 on the relatively higher side, and an expansion bolt is driven in for connection and fixation, so that a deformation joint structure with one side fixed and the other side free in the longitudinal and transverse directions is formed.
9. Structural glue is coated on the joint gap between the deformation joint cover plate 6 and the structure 8 on the higher side, and crystal water, rainwater and the like in the gap are prevented from leaking below the deformation joint.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (7)
1. A deformation joint unit, comprising:
upper portion subassembly (1), lower part subassembly (2), connecting lock catch (3), upper portion subassembly (1), lower part subassembly (2) all include:
the bearing assembly (4) comprises a fixing plate (41) and a rolling bearing (42) arranged on the fixing plate (41), wherein an arc-shaped groove (43) is formed in the outer wall of the rolling bearing (42);
the track plate (5) is provided with a cavity (51) for accommodating the rolling bearing (42), the cavity (51) penetrates through the track plate (5) along the longitudinal direction, and protruding parts (52) matched with the arc-shaped grooves (43) are arranged on two sides of the cavity (51);
the upper assembly (1) and the lower assembly (2) are arranged up and down, a fixing plate (41) of the upper assembly (1) is fixedly connected with a fixing plate (41) of the lower assembly (2) through the connecting lock catch (3), and the longitudinal direction of a track plate (5) of the upper assembly (1) is vertical to the longitudinal direction of a track plate (5) of the lower assembly;
the number of the rolling bearings (42) is 4, the 4 rolling bearings (42) are symmetrically arranged in two rows in the cavity (51), and each row is arranged at intervals along the longitudinal direction of the cavity (51); the rolling bearing (42) of the upper assembly (1) and the rolling bearing (42) of the lower assembly (2) are arranged in an up-and-down overlapping manner.
2. A deformation joint unit according to claim 1, wherein: and a limiting plate (53) for plugging the cavity (51) is further arranged at the extreme end of the cavity (51) on the track plate (5).
3. A deformation joint structure for connecting two structures (8), comprising:
the cover plate (6) comprises a main body part (61) and a bent part (62) which is connected with the main body part (61) and is used for being connected with one structure (8);
at least one deformation joint unit according to claim 1 or 2, the rail plate (5) of the upper assembly (1) being fixedly connected to the main body (61) or to another structure (8), the rail plate (5) of the lower assembly (2) being fixedly connected to the main body (61) or to another structure (8);
when the track plate (5) of the upper assembly (1) is fixedly connected to the main body part (61) and the track plate (5) of the lower assembly (2) is fixedly connected to another structure (8), the track plate (5) of the lower assembly (2) is arranged in parallel or vertically to the other structure (8); when the track plate (5) of the upper assembly (1) is fixedly connected to another structure (8) and the track plate (5) of the lower assembly (2) is fixedly connected to the main body part (61), the track plate (5) of the upper assembly (1) is arranged in parallel or vertically to the other structure (8).
4. A deformation joint structure according to claim 3, wherein: the main body part (61) covers the track plate (5) of the upper assembly (1) and the track plate (5) of the lower assembly (2).
5. A deformation joint structure according to claim 3, wherein: the track plate (5) is provided with a threaded hole, and the track plate (5) is fixedly connected with the main body part (61) or another structure (8) through an expansion bolt.
6. A deformation joint structure according to claim 3, wherein: the deformation joint structure further comprises a flexible waterproof rubber skin (7) for connecting the two structures (8).
7. A deformation joint structure according to claim 3, wherein: the bent part (62) is provided with a bolt hole, and the bent part (62) is fixedly connected with the side wall or the top surface of the structure (8) on one side through an expansion bolt; structural adhesive is further arranged at the connecting gap between the bending part (62) and the structure (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696399.4A CN110528712B (en) | 2019-07-30 | 2019-07-30 | Deformation joint unit and deformation joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696399.4A CN110528712B (en) | 2019-07-30 | 2019-07-30 | Deformation joint unit and deformation joint structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110528712A CN110528712A (en) | 2019-12-03 |
| CN110528712B true CN110528712B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910696399.4A Active CN110528712B (en) | 2019-07-30 | 2019-07-30 | Deformation joint unit and deformation joint structure |
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| CN (1) | CN110528712B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499265B2 (en) * | 2000-09-15 | 2002-12-31 | Construction Specialties, Inc. | Expansion joint cover |
| CN102248409A (en) * | 2011-07-19 | 2011-11-23 | 威海利奥泰儆自动化设备有限公司 | Adjustable clearance-type rapid roller guide track |
| CN108716184B (en) * | 2018-06-14 | 2021-04-27 | 曹志强 | Gear synchronous displacement modulus formula expansion joint |
| CN108999079B (en) * | 2018-09-14 | 2020-05-22 | 中建市政工程有限公司 | A bridge expansion joint device adapting to multi-directional displacement |
| CN209162634U (en) * | 2018-12-11 | 2019-07-26 | 李敏 | Junction of the edges of two sheets of paper formula Multidirectional displacement bridge expansion device |
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2019
- 2019-07-30 CN CN201910696399.4A patent/CN110528712B/en active Active
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