CN214530178U - Expansion joint covering device for municipal bridge - Google Patents
Expansion joint covering device for municipal bridge Download PDFInfo
- Publication number
- CN214530178U CN214530178U CN202120311732.8U CN202120311732U CN214530178U CN 214530178 U CN214530178 U CN 214530178U CN 202120311732 U CN202120311732 U CN 202120311732U CN 214530178 U CN214530178 U CN 214530178U
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- Prior art keywords
- block
- sliding
- covering
- connecting block
- expansion joint
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- 210000002421 cell wall Anatomy 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model relates to an expansion joint covering device for municipal bridge, this expansion joint covering device cover including be used for in a plurality of cover pieces of telescoping device, the cover piece is used for having the spout with the one side depression of road surface contact, the spout is connected with slider group along perpendicular to cover piece length direction, slider group includes fixed block and sliding block, the fixed block with spout one end fixed connection, the sliding block with spout other end sliding connection, the fixed block with the sliding block is connected with spring assembly along spout length direction, the tip butt that the spout was kept away from to the fixed block in cell wall in one boundary beam of telescoping device, the tip butt that the spout was kept away from to the sliding block in cell wall in another boundary beam of telescoping device. This application can cover the expansion joint to can better adapt to the flexible change condition at expansion joint.
Description
Technical Field
The application relates to the technical field of bridge accessories, in particular to an expansion joint covering device for a municipal bridge.
Background
At present, in bridge construction, in order to prevent the structural crack or damage of bridge members caused by the change of climate and temperature, a structural joint, i.e. an expansion joint, is arranged along the direction of the construction joint of buildings or structures.
In some steel expansion joint devices, can insert sealing rubber between two boundary beams of telescoping device, prevent to fall into rainwater or rubbish in the expansion joint, but because the bridge road surface is too much past the vehicle, sealing rubber's surface is rolled, leads to the easy sunken recess of sealing rubber between two boundary beams of telescoping device, and the recess pondes easily, falls into rubbish, and then influences sealed effect, consequently still has certain improvement space to the expansion joint sealing mode on bridge building road surface.
SUMMERY OF THE UTILITY MODEL
In order to improve the sealed problem of bridge expansion joint, this application provides an expansion joint covering device for municipal bridge.
The application provides a pair of expansion joint covering device for municipal bridge adopts following technical scheme:
the utility model provides an expansion joint covering device for municipal bridge, is including being used for covering in a plurality of cover pieces of telescoping device, the cover piece is used for having the spout with the one side of road surface contact is sunken, the spout is connected with sliding block set along perpendicular to cover piece length direction, sliding block set includes fixed block and sliding block, the fixed block with spout one end fixed connection, the sliding block with spout other end sliding connection, the fixed block with the sliding block is connected with spring assembly along spout length direction, the tip butt that the spout was kept away from to the fixed block in cell wall in one side roof beam of telescoping device, the tip butt that the spout was kept away from to the sliding block in cell wall in another side roof beam of telescoping device.
By adopting the technical scheme, when the covering device is arranged between two side beams of the expansion device, the covering block covers the expansion joint, the fixed block is abutted against the inner groove wall of one side beam of the expansion device, the sliding block is abutted against the inner groove wall of the other side beam of the expansion device, and a spring group is connected between the fixed block and the sliding block, so that when the bridge pavement on two sides of the expansion joint is subjected to thermal expansion, the fixed block and the sliding block are extruded towards the middle part by the two side beams of the expansion joint, the sliding block slides in the sliding groove, the sliding block and the fixed block compress the spring together, meanwhile, the sliding block is abutted against the side beams, and the fixed block is abutted against the side beams, so that the covering block is not easy to move on the expansion joint; when the shrinkage takes place for the bridge road surface of expansion joint both sides, the both sides roof beam of expansion joint takes place static removal to both sides, the sliding block slides in the spout, and sliding block and fixed block release spring together, sliding block butt in the boundary beam simultaneously, and leave a little clearance between fixed block and the boundary beam, but the stability of covering the piece is not influenced in this clearance is narrow and small, thereby make the expend with heat and contract with cold of the better adaptation expansion joint of expansion joint covering device, and effectively cover the expansion joint, reduce the possibility that rainwater and rubbish fall into in the seam.
Optionally, the sliding grooves are arranged at intervals along the length direction of the covering block, the length direction of the sliding grooves is parallel to the width direction of the covering block, and each sliding groove is connected with the sliding block set.
Through adopting above-mentioned technical scheme, set up a plurality of groups of spouts and the slider group that corresponds at the cover piece surface for when the cover piece covers on the boundary beam of telescoping device, increase the indirect area of contact of cover piece and boundary beam, make the cover piece keep better hardness to support simultaneously, can bear rolling of vehicle.
Optionally, the chute includes a groove, a first limiting plate and a second limiting plate, the first limiting plate is fixedly connected to an inner side wall of the groove along the width direction of the covering block, and the second limiting plate is fixedly connected to another inner side wall of the groove along the width direction of the covering block;
the fixed block comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are fixedly connected to form a T-shaped structure, the first connecting block is fixedly connected with the groove, the side face, far away from the first connecting block, of the end part of the second connecting block is vertically connected with a first limiting block, and the end part, far away from the second connecting block, of the first limiting block is abutted to the inner groove wall of a side beam of the telescopic device;
the sliding block comprises a third connecting block and a fourth connecting block, and the third connecting block and the fourth connecting block are fixedly connected to form a T-shaped structure; the third connecting block is connected with the groove in a sliding mode and abuts against the inner surface of the first limiting plate and the inner surface of the second limiting plate; the side face of the end part of the fourth connecting block, which is far away from the third connecting block, is vertically connected with a second limiting block, and the end part of the second limiting block, which is far away from the fourth connecting block, is abutted against the inner groove wall of the other side beam of the telescopic device.
Through adopting above-mentioned technical scheme, in being fixed in the recess through the first connecting block of fixed block, cell wall looks butt in first stopper and the boundary beam of telescoping device, the third connecting block sliding connection of sliding block is in the recess, cell wall looks butt in second stopper and another boundary beam of telescoping device to make when the cover piece covers in the expansion joint that two boundary beams of telescoping device formed, under the effect of spring assembly, fixed block and sliding block can better adapt to the flexible condition at expansion joint, reduce the exposed possibility of expansion joint.
Optionally, the spring assembly comprises a plurality of parallel springs, each spring has one end fixedly connected to the side of the second connecting block far away from the first limiting block and the other end fixedly connected to the side of the fourth connecting block far away from the second limiting block.
Through adopting above-mentioned technical scheme, through set up the parallel spring of a plurality of between first stopper and second stopper to can strengthen the elastic strength of spring assembly, the flexible change at better adaptation expansion joint.
Optionally, the length of the first limiting block in the direction perpendicular to the second connecting block is greater than or equal to the depth of the inner groove of the edge beam; the length of the second limiting block in the direction perpendicular to the fourth connecting block is equal to the depth of the inner groove of the boundary beam.
Through adopting above-mentioned technical scheme, first stopper can butt in boundary beam inside groove, and the second stopper can butt in boundary beam inside groove to play the effect spacing to the sliding block group.
Optionally, the width of each covering block is greater than the width of an expansion joint reserved in the expansion device, and the distance from the side edge of the covering block in the length direction to the opening at the end of the sliding chute is greater than the width of the surface of the boundary beam of the expansion device.
Through adopting above-mentioned technical scheme, when the cover piece covers in the expansion joint, the cover piece can the overlap joint on telescoping device's both sides boundary beam, makes both sides boundary beam play the effect of support to the gravity of cover piece.
Optionally, each outer surface of the covering block, which is far away from the sliding groove, is an arc-shaped curved surface, and the arc-shaped curved surface is bent towards the direction far away from the sliding groove.
Through adopting above-mentioned technical scheme, when the vehicle through the expansion joint that covers and cover the piece, the wheel of the cover piece of arc curved surface can better laminating vehicle makes things convenient for the vehicle to pass through to can reduce the impact of vehicle to covering the piece.
Optionally, the two cross-sectional side surfaces of adjacent covering blocks are clamped, one cross-sectional side surface is fixed with a plurality of protruding blocks, and the other cross-sectional side surface is provided with fixing grooves inserted with the protruding blocks.
Through adopting above-mentioned technical scheme, through the grafting connected mode of lug and fixed slot, can be fixed with adjacent covering piece installation to also make things convenient for the covering piece to install between telescoping device's both sides roof beam.
In summary, the present application includes at least one of the following beneficial technical effects:
the covering block covers the expansion joint, when the bridge pavement on two sides of the expansion joint is subjected to thermal expansion, the two side beams of the expansion joint extrude the fixed block and the sliding block of the covering block towards the middle, the sliding block slides in the sliding groove, the sliding block and the fixed block compress the spring together, meanwhile, the sliding block abuts against the side beam, and the fixed block abuts against the side beam, so that the covering block is not easy to move on the expansion joint; when the shrinkage takes place for the bridge road surface of expansion joint both sides, the both sides roof beam of expansion joint takes place static removal to both sides, the sliding block slides in the spout, and sliding block and fixed block release spring together, sliding block butt in the boundary beam simultaneously, and leave a little clearance between fixed block and the boundary beam, but the stability of covering the piece is not influenced in this clearance is narrow and small, thereby make the expend with heat and contract with cold of the better adaptation expansion joint of expansion joint covering device, and effectively cover the expansion joint, reduce the possibility that rainwater and rubbish fall into in the seam.
2. In being fixed in the recess through the first connecting block of fixed block, cell wall looks butt in first stopper and one boundary beam of telescoping device, the third connecting block sliding connection of sliding block in the recess, cell wall looks butt in second stopper and another boundary beam of telescoping device to make when the cover block covers in the expansion joint that two boundary beams of telescoping device formed, can better adapt to the flexible condition at expansion joint through fixed block and sliding block, reduce the exposed possibility of expansion joint.
Drawings
FIG. 1 is a schematic structural view of an expansion joint covering device for a municipal bridge according to an embodiment of the application;
FIG. 2 is a sectional view of the expansion joint covering device for the municipal bridge according to the embodiment of the application;
FIG. 3 is a schematic structural view of a sliding block set of the expansion joint covering device for the municipal bridge according to the embodiment of the application;
description of reference numerals: 1. a covering block; 11. a chute; 111. a groove; 112. a first limit plate; 113. a second limiting plate; 12. a bump; 2. a slider group; 21. a fixed block; 211. a first connection block; 212. a second connecting block; 213. a first stopper; 22. a slider; 221. a third connecting block; 222. a fourth connecting block; 223. a second limiting block; 3. a spring set; 31. a spring; 4. a telescopic device.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Referring to fig. 1 and 2, the embodiment of the application discloses an expansion joint covering device for a municipal bridge, the device comprises a plurality of covering blocks 1 for covering a telescopic device 4, a sliding groove 11 is recessed on one surface of the covering block 1 for contacting with a road surface, the sliding groove 11 is arranged at intervals along the length direction of the covering block 1, the length direction of the sliding groove 11 is the same as the width direction of the covering block 1, the sliding groove 11 is connected with a sliding block set 2 in a sliding way along the width direction of the covering block 1, the sliding block set 2 comprises a fixed block 21 and a sliding block 22, the fixed block 21 is welded and fixed with the groove bottom at one end of the sliding groove 11, the sliding block 22 is connected with the other end of the sliding groove 11 in a sliding way, a spring set 3 is connected between the fixed block 21 and the sliding block 22 along the length direction of the sliding groove 11, when the expansion joint covering device is installed between two side beams of the telescopic device 4, the end of the fixed block 21 far away from the sliding groove 11 is abutted against the side wall of one side beam of the telescopic device 4, the end of the slide block 22 remote from the slide slot 11 abuts the other sill inner slot side wall of the telescopic device 4.
In the embodiment, the number of the covering blocks 1 can be determined according to the width of a bridge in an actual scene, and each covering block 1 is detachably connected; the width of each covering block 1 is the same, and is greater than the width of the expansion joint reserved by the expansion device 4, namely the width of each covering block 1 is greater than the distance between two boundary beams of the expansion device 4. In the embodiment, three sliding grooves 11 are formed in each covering block 1 at intervals along the length direction, and each sliding groove 11 is slidably connected with a sliding block set 2. In other embodiments, four or five sliding grooves 11, etc. may be provided at intervals along the length direction of each covering block 1, and each sliding groove 11 is slidably connected with the sliding block set 2.
In this embodiment, the length direction of the sliding chute 11 is parallel to the width direction of the covering block 1, and an interval is left between the end of the sliding chute 11 and the side of the covering block 1 along the length direction, that is, the distance from the side of the covering block 1 along the length direction to the end opening of the sliding chute 11 is greater than the width of the boundary beam surface of the telescopic device 4, so that two sides of the covering can be lapped on the boundary beam of the telescopic device 4.
As shown in fig. 2, the sliding slot 11 includes a rectangular groove 111 recessed vertically, the length direction of the groove 111 is the same as the width direction of the covering block 1, and the two inner sidewalls of the groove 111 along the length direction of the groove 111 and near the opening are respectively and fixedly connected with a first limiting plate 112 and a second limiting plate 113, which can be used for clamping the sliding block set 2.
As shown in fig. 2 and 3, the fixed block 21 of the slider group 2 includes a rectangular first connecting block 211 and a rectangular second connecting block 212, and a side surface of the first connecting block 211 is fixedly connected with an end portion of the second connecting block 212 to form a T-shaped structure; in addition, the surface of the first connecting block 211, which is far away from the second connecting block 212, is welded and fixed with the bottom of the groove 111, and two side surfaces of the first connecting block 211 are welded and fixed with the inner side wall of the groove 111; the side of the end of the second connecting block 212 far from the first connecting block 211 is vertically connected with a rectangular first limiting block 213, the length direction of the first limiting block 213 is parallel to the width direction of the covering block 1, and the end of the first limiting block 213 far from the second connecting block 212 abuts against the inner groove wall of a side beam of the expansion device 4.
The sliding block 22 comprises a rectangular third connecting block 221 and a rectangular fourth connecting block 222, wherein the side surface of the third connecting block 221 is fixedly connected with one end of the fourth connecting block 222 to form a T-shaped structure; in addition, the length direction of the third connecting block 221 is consistent with the width direction of the chute 11, and the length of the third connecting block 221 is smaller than the width of the chute 11, so that the third connecting block 221 is slidably connected in the groove 111 and abuts against the inner surfaces of the first limiting plate 112 and the second limiting plate 113; the side surface of the end part of the fourth connecting block 222 far away from the third connecting block 221 is vertically connected with a rectangular second limiting block 223, the length direction of the second limiting block 223 is parallel to the width direction of the covering block 1, and the end part of the second limiting block 223 is abutted with the inner groove wall of the other edge beam of the telescopic device 4; in this embodiment, the length of the second stopper 223 is equal to the depth of the inner groove of the side sill.
In this embodiment, the spring assembly 3 includes two parallel springs 31, one end of each spring 31 is fixedly connected to the side of the second connecting block 212 far away from the first limiting block 213, and the other end of each spring 31 is fixedly connected to the side of the fourth connecting block 222 far away from the second limiting block 223.
As shown in fig. 1 and fig. 3, two adjacent side surfaces of the adjacent covering block 1 along the width direction, one of the two adjacent side surfaces is fixed with three rectangular convex blocks 12, and the other side surface is recessed with a fixing groove (not shown) engaged with the three convex blocks 12.
In this embodiment, the surface that spout 11 was kept away from to every cover piece 1 is the arc curved surface, and this arc curved surface keeps away from the direction of spout 11 crooked, and when expansion joint covering device covered in the bridge expansion joint, the bridge road surface had the vehicle to pass through, and the wheel can be better laminated to the arc curved surface, makes things convenient for the vehicle to pass through.
In this embodiment, the fixing blocks 21 of the adjacent sliding block sets 2 are respectively fixed at the ends of the sliding chutes 11 on the same side, so that the adjacent first limiting blocks 213 abut against the inner groove walls of the side beams on the same side, and the expansion joint covering device can better adapt to the expansion change of the expansion joint.
In this embodiment, to facilitate the installation of the sliding block set 2, the covering block 1 may be two symmetrical covering blocks welded together, so that the sliding block set 2 is conveniently installed on the sliding chute 11, wherein the symmetry line is parallel to the length direction of the covering blocks.
The utility model provides an implement principle for municipal bridge's expansion joint covering device is:
when the bridge expansion device 4 is installed, the covering blocks 1 are installed at the same time, the number of the installed covering blocks 1 is determined according to the actual width of the bridge, the covering blocks 1 are installed between two boundary beams of the expansion device 4, so that the sliding block set 2 is abutted against an inner groove of the boundary beam of the expansion device 4, namely, the fixed block 21 is abutted against the inner groove of one side beam, the sliding block 22 is abutted against the inner groove of the other side beam, after one covering block 1 is installed, then the convex block 12 of the other covering block 1 is inserted into the fixed groove of the previous covering block 1, then the covering blocks 1 are installed one by one to cover the expansion joint of the bridge, thereby playing the role of covering the expansion joint, preventing rainwater or garbage from falling into the expansion joint, and when the expansion joint expands with heat and contracts with cold, the pressing of the fixed block 21 and the sliding block 22 or the release of the spring 31 enable the covering block 1 to adapt to the static change of the expansion joint better.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an expansion joint covering device for municipal bridge which characterized in that: comprises a plurality of covering blocks (1) used for covering a telescopic device (4), one surface of each covering block (1) used for being contacted with the road surface is provided with a chute (11) in a concave way, the sliding chute (11) is connected with a sliding block group (2) along the direction vertical to the length direction of the covering block (1), the sliding block set (2) comprises a fixed block (21) and a sliding block (22), the fixed block (21) is fixedly connected with one end of the sliding groove (11), the sliding block (22) is connected with the other end of the sliding groove (11) in a sliding way, the fixed block (21) and the sliding block (22) are connected with a spring group (3) along the length direction of the sliding chute (11), the end part of the fixed block (21) far away from the sliding chute (11) is abutted against the inner chute wall of one side beam of the telescopic device (4), the end part of the sliding block (22) far away from the sliding groove (11) is abutted against the inner groove wall of the other side beam of the telescopic device (4).
2. The expansion joint covering device for the municipal bridge according to claim 1, wherein: the sliding grooves are arranged at intervals along the length direction of the covering block, the length direction of the sliding grooves (11) is parallel to the width direction of the covering block (1), and each sliding groove (11) is connected with the sliding block set (2).
3. The expansion joint covering device for the municipal bridge according to claim 1, wherein: the chute (11) comprises a groove (111), a first limit plate (112) and a second limit plate (113),
the first limiting plate (112) is fixedly connected to one inner side wall of the groove (111) along the width direction of the covering block (1), and the second limiting plate (113) is fixedly connected to the other inner side wall of the groove (111) along the width direction of the covering block (1); a first limiting plate (112) and a second limiting plate (113) are fixedly connected to the two inner side walls of the groove (111) along the width direction of the covering block (1) respectively; the fixing block (21) comprises a first connecting block (211) and a second connecting block (212), the first connecting block (211) and the second connecting block (212) are fixedly connected to form a T-shaped structure, the first connecting block (211) is fixedly connected with the groove (111), the side surface of the end part, far away from the first connecting block (211), of the second connecting block (212) is vertically connected with a first limiting block (213), and the end part, far away from the second connecting block (212), of the first limiting block (213) is abutted against the inner groove wall of a side beam of the telescopic device (4); the sliding block (22) comprises a third connecting block (221) and a fourth connecting block (222), and the third connecting block (221) and the fourth connecting block (222) are fixedly connected to form a T-shaped structure; the third connecting block (221) is connected with the groove (111) in a sliding mode and abuts against the inner surface of the first limiting plate (112) and the inner surface of the second limiting plate (113); the side face of the end part of the fourth connecting block (222), which is far away from the third connecting block (221), is vertically connected with a second limiting block (223), and the end part of the second limiting block (223), which is far away from the fourth connecting block (222), is abutted against the inner groove wall of the other edge beam of the telescopic device (4).
4. The expansion joint covering device for the municipal bridge according to claim 3, wherein: spring assembly (3) contain a plurality of parallel spring (31), every the equal fixed connection in of one end of spring (31) in the side of second connecting block (212) keeping away from first stopper (213), the equal fixed connection in the side of fourth connecting block (222) keeping away from second stopper (223) of the other end.
5. The expansion joint covering device for the municipal bridge according to claim 4, wherein: the length of the first limiting block (213) along the direction vertical to the second connecting block (212) is greater than or equal to the depth of the inner groove of the boundary beam; the length of the second limiting block (223) along the direction perpendicular to the fourth connecting block (222) is equal to the depth of the inner groove of the side beam.
6. The expansion joint covering device for the municipal bridge according to claim 1, wherein: the width of each covering block (1) is greater than the width of an expansion joint reserved in the telescopic device (4), and the distance from the side edge of each covering block (1) in the length direction to the end opening of the sliding groove (11) is greater than the surface width of the boundary beam of the telescopic device (4).
7. The expansion joint covering device for the municipal bridge according to claim 1, wherein: every the surface that covers piece (1) and keep away from spout (11) is the arc curved surface, the arc curved surface is crooked towards the direction of keeping away from spout (11).
8. The expansion joint covering device for the municipal bridge according to claim 1, wherein: the two cross-sectional side surfaces of the adjacent covering blocks (1) are clamped, one cross-sectional side surface is fixed with a plurality of convex blocks (12), and the other cross-sectional side surface is provided with a fixing groove which is spliced with the convex blocks (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120311732.8U CN214530178U (en) | 2021-02-03 | 2021-02-03 | Expansion joint covering device for municipal bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120311732.8U CN214530178U (en) | 2021-02-03 | 2021-02-03 | Expansion joint covering device for municipal bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214530178U true CN214530178U (en) | 2021-10-29 |
Family
ID=78233655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120311732.8U Expired - Fee Related CN214530178U (en) | 2021-02-03 | 2021-02-03 | Expansion joint covering device for municipal bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214530178U (en) |
-
2021
- 2021-02-03 CN CN202120311732.8U patent/CN214530178U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |