CN212404814U - Road expansion joint structure for municipal bridge - Google Patents
Road expansion joint structure for municipal bridge Download PDFInfo
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- CN212404814U CN212404814U CN202020778918.XU CN202020778918U CN212404814U CN 212404814 U CN212404814 U CN 212404814U CN 202020778918 U CN202020778918 U CN 202020778918U CN 212404814 U CN212404814 U CN 212404814U
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- joint structure
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Abstract
The utility model discloses a road expansion joint structure for municipal bridges, which belongs to the field of expansion joints and comprises a bridge body and a supporting block, wherein the end face of the bridge body is equidistantly provided with a thread groove, the surface of the supporting block is equidistantly fixedly provided with a connecting rod, the tail end of the connecting rod is fixedly provided with a rubber block, the rubber block is in sliding connection with the end face of the bridge body, the surface of the supporting block is fixedly provided with a rubber column, the end face of the rubber column is fixedly provided with a steel plate, the steel plate is installed on a thread hole and the thread groove by a fastening bolt, so that the rubber block drives the supporting block to keep stable, thereby the steel plate is stable, when the bridge body generates the phenomena of thermal expansion and cold contraction due to the temperature change, the external force is counteracted by the deformation effect of the rubber block, the pressure born by the steel plate can be released by the deformation effect of, the vehicle is convenient to run.
Description
Technical Field
The utility model relates to an expansion joint field, more specifically say, relate to a road expansion joint structure for municipal bridge.
Background
As is well known, a bridge expansion joint is a structural joint provided at a proper position along the width direction of a bridge in order to prevent the bridge from generating cracks or damages due to expansion and contraction caused by heat and cold when the temperature of the bridge changes.
However, the existing bridge expansion joint is easily damaged and frequently maintained due to frequent rolling of passing vehicles, and is difficult to release the pressure borne by the steel plate without the arrangement of a spring, so that the service life of the steel plate is prolonged.
For this reason, a large amount of road expansion joint structures for the municipal bridge have appeared among the prior art, and current road expansion joint structure for the municipal bridge, can not be through fastening bolt to the screw hole, the thread tightening of thread groove, make the block rubber drive the supporting shoe and keep stable, thereby make the steel sheet be in stably, when the bridge body receives temperature variation and takes place expend with heat and contract with cold the phenomenon, the deformation effect that can not pass through the block rubber, offset the external force, also can not pass through the deformation effect of spring, can release the pressure that the steel sheet bore, the life of extension steel sheet, more can not pass through the multilayer structure on steel sheet surface, be convenient for going of vehicle.
SUMMERY OF THE UTILITY MODEL
Problem to exist among the prior art, an object of the utility model is to provide a road expansion joint structure for municipal bridge, it is through fastening bolt to the screw hole, the thread tightening of thread groove, make the block rubber drive the supporting shoe and keep stable, thereby make the steel sheet be in stably, when the bridge body receives temperature variation and takes place expend with heat and contract with cold the phenomenon, deformation effect through the block rubber, offset the external force, deformation effect through the spring, the pressure that can bear the steel sheet releases, the life of extension steel sheet, through the multilayer structure on steel sheet surface, the vehicle of being convenient for traveles.
In order to solve the above problems, the utility model adopts the following technical proposal.
A road expansion joint structure for municipal bridges comprises a bridge body and supporting blocks, wherein thread grooves are formed in the end face of the bridge body at equal intervals, connecting rods are fixedly installed on the surface of the supporting blocks at equal intervals, rubber blocks are fixedly installed at the tail ends of the connecting rods and are in sliding connection with the end face of the bridge body, rubber columns are fixedly installed on the surface of the supporting blocks, steel plates are fixedly installed on the end faces of the rubber columns, pressure-resistant layers are fixedly installed on the surfaces of the steel plates, friction layers are fixedly installed on the surfaces of the pressure-resistant layers, flow guide grooves are formed in the surface of the bridge body, mounting holes are formed in the surface of the bridge body, buffer blocks are fixedly installed at the bottom end faces of the mounting holes, lantern rings are fixedly installed inside the mounting holes, supporting rods are slidably installed on the inner walls of the lantern rings, it is through the threaded mounting of fastening bolt to screw hole, thread groove for the block rubber drives the supporting shoe and remains stable, thereby makes the steel sheet be in stably, receives temperature variation and when taking place expend with heat and contract with cold the phenomenon as the bridge body, through the deformation effect of block rubber, offsets the external force, and through the deformation effect of spring, the pressure that can bear the steel sheet releases, prolongs the life of steel sheet, through the multilayer structure on steel sheet surface, the vehicle of being convenient for traveles.
Further, the surface equidistance of block rubber is equipped with the screw hole, threaded mounting has fastening bolt between screw hole and the thread groove, is convenient for under fastening bolt's effect, can carry out the screw thread installation to screw hole, thread groove for the block rubber remains stable.
Further, the fixed mounting of surface symmetry of steel sheet has water proof rubber slab, sliding connection between water proof rubber slab and the bridge body is convenient for shelter from the rainwater under water proof rubber slab's effect, avoids carrying out the corrosion to steel components such as spring, fastening bolt.
Furthermore, the pressure-resistant layer is made of resin, the friction layer is made of asbestos, and the thickness of the pressure-resistant layer and the thickness of the friction layer are 2cm, so that the pressure resistance and the friction resistance of the surface of the steel plate are improved under the action of the pressure-resistant layer and the friction layer, and the running of a vehicle is facilitated.
Furthermore, sliding connection between backup pad and the steel sheet, the surface mounting of backup pad has the spring, is convenient for under the deformation effect of spring, can release the pressure that the steel sheet bore.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a fastening bolt is passed through to the screw thread installation of screw hole, thread groove for the rubber block drives the supporting shoe and remains stable, thereby makes the steel sheet be in stably, receives temperature variation and when taking place expend with heat and contract with cold phenomenon as the bridge body, through the deformation effect of rubber block, offsets the external force, and through the deformation effect of spring, the pressure that can bear the steel sheet releases, prolongs the life of steel sheet, through the multilayer structure on steel sheet surface, the vehicle of being convenient for traveles.
(2) The surface equidistance of block rubber is equipped with the screw hole, and fastening bolt is installed to the screw thread between screw hole and the thread groove, is convenient for under fastening bolt's effect, can carry out the screw thread installation to screw hole, thread groove for the block rubber remains stable.
(3) The surface symmetry fixed mounting of steel sheet has water proof rubber slab, sliding connection between water proof rubber slab and the bridge body, is convenient for shelter from the rainwater under water proof rubber slab's effect, avoids carrying out the corrosion to steel components such as spring, fastening bolt.
(4) The pressure-resistant layer is made of resin, the friction layer is made of asbestos, the thickness of the pressure-resistant layer and the thickness of the friction layer are 2cm, the pressure-resistant performance and the friction resistance of the surface of the steel plate are improved under the action of the pressure-resistant layer and the friction layer, and the running of a vehicle is facilitated.
(5) Sliding connection between backup pad and the steel sheet, the surface mounting of backup pad has the spring, is convenient for under the deformation effect of spring, can release the pressure that the steel sheet bore.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of a side view of the rubber block of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
The reference numbers in the figures illustrate:
the bridge comprises a bridge body 1, supporting blocks 2, thread grooves 3, connecting rods 4, rubber blocks 5, threaded holes 6, fastening bolts 7, rubber columns 8, steel plates 9, water-stop rubber plates 10, pressure-resistant layers 11, friction layers 12, diversion grooves 13, mounting holes 14, buffer blocks 15, lantern rings 16, supporting rods 17, supporting plates 18 and springs 19.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, a road expansion joint structure for municipal bridges comprises a bridge body 1 and a supporting block 2, referring to fig. 1-2, threaded grooves 3 are equidistantly arranged on the end surface of the bridge body 1, connecting rods 4 are fixedly arranged on the surface of the supporting block 2 at equal intervals, a rubber block 5 is fixedly arranged at the tail end of each connecting rod 4, the rubber block 5 is in sliding connection with the end surface of the bridge body 1, threaded holes 6 are equidistantly arranged on the surface of each rubber block 5, fastening bolts 7 are threadedly arranged between the threaded holes 6 and the threaded grooves 3, so that the threaded holes 6 and the threaded grooves 3 can be threadedly arranged under the action of the fastening bolts 7, the rubber blocks 5 are kept stable, rubber columns 8 are fixedly arranged on the surface of the supporting block 2, steel plates 9 are fixedly arranged on the end surfaces of the rubber columns 8, water-proof rubber plates 10 are symmetrically and fixedly arranged on the surfaces of the steel plates 9, and the water-proof, be convenient for under the effect of water-proof rubber sheet 10, shelter from the rainwater, avoid carrying out the corrosion to spring 19, steel components such as fastening bolt 7, the fixed surface of steel sheet 9 installs pressure resistance 11, the fixed surface of pressure resistance 11 installs frictional layer 12, pressure resistance 11 is the resin material, frictional layer 12 is the asbestos material, and pressure resistance 11, frictional layer 12's thickness is 2cm, be convenient for under pressure resistance 11, frictional layer 12's effect, improve the pressure resistance and the frictional resistance on steel sheet 9 surface, be convenient for travel of vehicle, the surface of bridge body 1 is equipped with guiding gutter 13.
Referring to fig. 1 and 3, a mounting hole 14 is formed in the surface of the bridge body 1, a buffer block 15 is fixedly mounted on the bottom end face of the mounting hole 14, a collar 16 is fixedly mounted inside the mounting hole 14, a support rod 17 is slidably mounted on the inner wall of the collar 16, a support plate 18 is fixedly mounted on the end face of the support rod 17, the support plate 18 is slidably connected with the steel plate 9, and a spring 19 is mounted on the surface of the support plate 18, so that the pressure borne by the steel plate 9 can be released under the deformation action of the spring 19.
The road expansion joint structure for the municipal bridge can push the rubber block 5 to move along the end face of the bridge body 1, when the threaded hole 6 on the surface of the rubber block 5 and the threaded groove 3 are in the same water surface, the fastening bolt 7 can be screwed to fix the rubber block 5 in a stable state, so that the supporting block 2 is driven to keep stable, the steel plate 9 is further in a stable contact state, and the steel plate 9 and the supporting plate 18 are in a stable contact state, when the bridge body 1 generates expansion and contraction phenomena due to temperature changes, the rubber block 5 releases the strain force to prevent the bridge body 1 from being damaged, in the process, as the supporting plate 18 and the steel plate 9 are in a sliding connection state, the bridge body 1 can push the supporting plate 18 to slightly displace in the deformation process, when vehicles run on the surface of the steel plate 9, the spring 19 is compressed by force, and the supporting rod 17 is pushed to contact with the buffer block 15, release pressure, prolong the life of steel sheet 9, and rubber column 8, water proof rubber slab 10 all can deform, release power, receive the effect on the resistance to pressure layer 11, frictional layer 12 on steel sheet 9 surface, can improve the trafficability characteristic of vehicle, through the guiding gutter 13 on 1 surperficial guiding gutter of bridge body and the effect of water proof rubber slab 10, can carry out the water conservancy diversion to the rainwater, block, avoid the rainwater to carry out the corrosion to steel components such as spring 19, fastening bolt 7.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a road expansion joint structure for municipal bridge, includes bridge body (1) and supporting shoe (2), its characterized in that: the end face equidistance of bridge body (1) is equipped with thread groove (3), the surface equidistance fixed mounting of supporting shoe (2) has connecting rod (4), the terminal fixed mounting of connecting rod (4) has block rubber (5), sliding connection between block rubber (5) and bridge body (1) terminal surface, the fixed surface of supporting shoe (2) installs rubber column (8), the terminal surface fixed mounting of rubber column (8) has steel sheet (9), the fixed surface of steel sheet (9) installs pressure resistance layer (11), the fixed surface of pressure resistance layer (11) installs friction layer (12), the surface of bridge body (1) is equipped with guiding gutter (13), the surface of bridge body (1) is equipped with mounting hole (14), the bottom face fixed mounting of mounting hole (14) has buffer block (15), the inside fixed mounting of mounting hole (14) has lantern ring (16), the inner wall slidable mounting of lantern ring (16) has bracing piece (17), the terminal surface fixed mounting of bracing piece (17) has backup pad (18).
2. The road expansion joint structure for municipal bridges according to claim 1, wherein: the surface equidistance of block rubber (5) is equipped with screw hole (6), fastening bolt (7) are installed to the screw thread between screw hole (6) and thread groove (3).
3. The road expansion joint structure for municipal bridges according to claim 1, wherein: the surface of the steel plate (9) is symmetrically and fixedly provided with a water-stop rubber plate (10), and the water-stop rubber plate (10) is connected with the bridge body (1) in a sliding mode.
4. The road expansion joint structure for municipal bridges according to claim 1, wherein: the pressure-resistant layer (11) is made of resin, the friction layer (12) is made of asbestos, and the thicknesses of the pressure-resistant layer (11) and the friction layer (12) are 2 cm.
5. The road expansion joint structure for municipal bridges according to claim 1, wherein: the supporting plate (18) is in sliding connection with the steel plate (9), and a spring (19) is mounted on the surface of the supporting plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778918.XU CN212404814U (en) | 2020-05-12 | 2020-05-12 | Road expansion joint structure for municipal bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020778918.XU CN212404814U (en) | 2020-05-12 | 2020-05-12 | Road expansion joint structure for municipal bridge |
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| Publication Number | Publication Date |
|---|---|
| CN212404814U true CN212404814U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020778918.XU Active CN212404814U (en) | 2020-05-12 | 2020-05-12 | Road expansion joint structure for municipal bridge |
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| CN (1) | CN212404814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
-
2020
- 2020-05-12 CN CN202020778918.XU patent/CN212404814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853958A (en) * | 2021-02-25 | 2021-05-28 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
| CN112853958B (en) * | 2021-02-25 | 2023-03-10 | 青岛西海岸市政工程有限公司 | Municipal bridge expansion joint covering device convenient to installation |
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