CN220847073U - Bridge telescoping device - Google Patents
Bridge telescoping device Download PDFInfo
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- CN220847073U CN220847073U CN202322506357.4U CN202322506357U CN220847073U CN 220847073 U CN220847073 U CN 220847073U CN 202322506357 U CN202322506357 U CN 202322506357U CN 220847073 U CN220847073 U CN 220847073U
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- steel bars
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 48
- 239000010959 steel Substances 0.000 claims abstract description 48
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 11
- 241000561734 Celosia cristata Species 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 3
- 210000001520 comb Anatomy 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The application discloses a bridge expansion device, which relates to the field of bridge construction and comprises: the sawtooth plate, the sawtooth plate is provided with two sets of, two sets of the sawtooth plate is the cockscomb structure in one side that is close to each other, two sets of the bottom of sawtooth plate is all fixed mounting has the girder, is provided with coupling assembling between two sets of girders, just the outside of two sets of girders all is provided with installation component, the girder is the I-beam. Through the alternately set up the connecting reinforcement between two sets of girders to carry out the centre gripping to the connecting reinforcement through the reinforcement piece that connecting reinforcement both ends set up, the elastic performance of accessible connecting reinforcement this moment realizes the flexible of bridge, and the flexible operation is carried out to the auxiliary connecting reinforcement of being convenient for through movable column and the steel spring that connecting reinforcement bottom set up simultaneously, and this mode can avoid connecting spring independent atress, and then increases still device's life. And avoid using the sheet rubber to place and appear ageing, influence flexible phenomenon.
Description
Technical Field
The utility model relates to the field of bridge construction, in particular to a bridge expansion device.
Background
The expansion device is an important accessory component in the bridge, and is mainly used for adapting to the deformation of the bridge caused by the actions of temperature change, concrete shrinkage and deformation, uneven settlement, vehicle impact and the like, preventing bridge deck rainwater and road surface residues from entering the bridge structure, ensuring that vehicles can smoothly pass smoothly, and directly influencing the safety and driving comfort of the bridge structure due to the performance of the expansion device and the quality and the service life of the expansion device; the telescopic device used for the existing bridge telescopic device generally adopts a combined piece of rubber and a steel plate, when the telescopic device is used in the mode, due to the self property of rubber, hardening and ageing phenomena exist in the use process of the telescopic device, cracking and damage occur, elasticity is finally gradually lost, a gap is formed between the telescopic device and a supporting beam, and jumping and abnormal sound are generated when a vehicle passes through the telescopic device.
Disclosure of utility model
The technical problems to be solved are as follows: at present, the existing bridge expansion device adopts an assembly of rubber and a steel plate, so that the rubber is aged and crushed when the bridge expansion device is used for a long time due to the characteristic of the rubber, and finally elasticity is lost, so that an expansion function is lost.
Aiming at the defects of the prior art, the utility model provides a bridge expansion device, which solves the problems in the background art.
The technical scheme is as follows:
in order to achieve the above purpose, the present utility model adopts the following technical scheme:
A bridge expansion apparatus comprising: the sawtooth plate, the sawtooth plate is provided with two sets of, two sets of the sawtooth plate is the cockscomb structure in one side that is close to each other, two sets of the bottom of sawtooth plate is all fixed mounting has the girder, is provided with coupling assembling between two sets of girders, just the outside of two sets of girders all is provided with installation component, the girder is the I-beam.
In one possible implementation manner, the connecting assembly comprises connecting steel bars, connecting blocks, sleeves, movable columns and steel springs, two groups of connecting steel bars are arranged between the two groups of main beams in an array manner, and the two groups of connecting steel bars are distributed in a crossed manner.
In one possible implementation manner, the two ends of the connecting steel bars are fixedly provided with connecting blocks, and the connecting blocks are fixedly connected with the inner wall of the main beam.
In one possible implementation manner, the bottom array of the connecting steel bar is provided with a sleeve, the middle part of the inner cavity of the sleeve is provided with a steel spring, both ends of the steel spring are fixedly provided with movable columns, the movable columns penetrate through the sleeve and extend to the outside of the movable columns, and one ends, far away from the steel spring, of the two movable columns are fixedly connected with the inner walls of the two groups of main beams respectively.
In one possible implementation manner, the mounting assembly comprises a mounting plate, bolts and reinforcing blocks, the mounting plates are fixedly mounted on the outer sides of the two groups of main beams, the reinforcing blocks are symmetrically arranged at two ends of the mounting plate, the bolts are arranged on the top array of the mounting plate, and the bolts are distributed at intervals with the reinforcing blocks.
In one possible implementation, the bottoms of two sets of the serrated plates are provided with sealing films, and the sealing films are arc-shaped.
The beneficial effects of the utility model are as follows:
Firstly, the setting of the sawtooth shifts is adopted, and the sealing films are arranged at the bottoms of the two groups of sawtooth plates, so that dust and impurities can be prevented from falling into the bottoms of the sawtooth plates through the sealing films, and the effect of crushing garbage accumulated between the sawtooth plates is facilitated when the two groups of sawtooth plates are mutually close to each other by arranging the sawtooth plates, and the influence on the movement of the two groups of sawtooth plates is avoided;
Secondly, the connecting steel bars are arranged between the two groups of main beams, the connecting steel bars are connected and reinforced through the reinforcing blocks, the two groups of main beams can be connected through the connecting steel bars which are arranged in a crossed mode, the connecting steel bars are convenient to deform through extrusion when the concrete expands, the expansion effect of the bridge is further achieved, and the phenomenon that rubber pads are aged and lose elasticity is avoided;
Thirdly, set up movable column and sleeve pipe between two sets of girders to connect the buffering through steel spring to two sets of movable columns, can play through steel spring cooperation movable column, auxiliary connection reinforcing bar realizes the flexible of bridge, thereby increases the effect of connecting spring's life.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is an exploded view of a connection structure of the connection reinforcing bars of the present utility model.
Reference numerals in the drawings: 1. a serrated plate; 2. a main beam; 3. connecting steel bars; 4. a connecting block; 5. a sleeve; 6. a movable column; 7. a steel spring; 8. a mounting plate; 9. a bolt; 10. a reinforcing block; 11. sealing the film.
Detailed Description
The embodiment of the application solves the problems in the prior art by providing the bridge expansion device.
The technical scheme in the embodiment of the application aims to solve the problems, and the overall thought is as follows:
1-3, a bridge expansion device includes: the sawtooth plate 1, sawtooth plate 1 is provided with two sets of, two sets of sawtooth plate 1 is the cockscomb structure in one side that is close to each other, two sets of the equal fixed mounting of bottom of sawtooth plate 1 has girder 2, is provided with coupling assembling between two sets of girders 2, just the outside of two sets of girders 2 all is provided with the installation component, girder 2 is the I-beam.
In some examples, the connecting assembly comprises connecting steel bars 3, connecting blocks 4, sleeves 5, movable columns 6 and steel springs 7, two groups of connecting steel bars 3 are arranged between two groups of main beams 2 in an array manner, and the two groups of connecting steel bars 3 are distributed in a crossed manner;
Connecting blocks 4 are fixedly arranged at two ends of the connecting steel bars 3, and the connecting blocks 4 are fixedly connected with the inner wall of the main beam 2;
The bottom of the connecting steel bar 3 is provided with a sleeve 5 in an array manner, the middle part of the inner cavity of the sleeve 5 is provided with a steel spring 7, both ends of the steel spring 7 are fixedly provided with movable columns 6, the movable columns 6 penetrate through the sleeve 5 to extend to the outside, and one ends of two groups of movable columns 6 far away from the steel spring 7 are fixedly connected with the inner walls of the two groups of main beams 2 respectively;
The connecting assembly is convenient to complete telescopic work through the connecting steel bars 3 arranged inside, so that the telescopic work is convenient to be completed by the auxiliary connecting steel bars 3 through the movable columns 6 and the steel springs 7.
In some examples, the mounting assembly comprises a mounting plate 8, bolts 9 and reinforcing blocks 10, wherein the mounting plate 8 is fixedly mounted on the outer sides of the two groups of main beams 2, the reinforcing blocks 10 are symmetrically arranged at two ends of the mounting plate 8, the bolts 9 are arranged on the top of the mounting plate 8 in an array manner, and the bolts 9 and the reinforcing blocks 10 are distributed at intervals;
The installation component is convenient for install fixedly to the device.
In some examples, the bottoms of the two sets of the serrated plates 1 are provided with sealing films 11, and the sealing films 11 are arc-shaped;
The sealing film 11 can put dust and foreign matter into the bottom of the serrated plate 1.
Working principle: firstly, taking out the device, placing the device at a proper position, fixing the device and a concrete layer of a bridge by matching a mounting plate 8 fixedly arranged on the outer side of a main beam 2 with bolts 9 arranged on the top of the mounting plate 8, and reinforcing the connection of the device by a reinforcing block 10, so that the connecting steel bar 3 is in a slightly bent deformation state, and meanwhile, the steel spring 7 is in a slightly contracted state;
At this time, when the concrete in the bridge contracts or deforms, the concrete drives the main beam 2 to move through the mounting plate 8, and at this time, the main beam 2 drives the connecting steel bars 3 which are arranged on the inner wall in a crossed manner to correspondingly deform, so that the concrete is buffered, the expansion work of the bridge is realized, and at this time, the movable columns 6 arranged at the bottom of the connecting steel bars 3 are matched with the steel springs 7 to assist the connecting steel bars 3, so that the expansion work of the bridge is realized;
At this time, the two sets of sawtooth plates 1 are close to each other, and garbage accumulated on the tops of the two sets of sawtooth plates 1 and the sealing film 11 is crushed by the sawtooth edges of the sawtooth plates 1, so that the influence on the adhesion of the two sets of sawtooth plates 1 is avoided.
By adopting the technical scheme: through the alternately set up the connecting reinforcement between two sets of girders to carry out the centre gripping to the connecting reinforcement through the reinforcement piece that connecting reinforcement both ends set up, the elastic performance of accessible connecting reinforcement this moment realizes the flexible of bridge, and the flexible operation is carried out to the auxiliary connecting reinforcement of being convenient for through movable column and the steel spring that connecting reinforcement bottom set up simultaneously, and this mode can avoid connecting spring independent atress, and then increases still device's life. And avoid using the sheet rubber to place to appear ageing, influence flexible phenomenon, simultaneously, through setting up two sets of sawtooth plates, when can placing the sawtooth plate activity, the inside accumulational rubbish of sawtooth class influences the removal of sawtooth plate.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (6)
1. A bridge expansion device, comprising: the novel double-row saw tooth plate comprises saw tooth plates (1), wherein the two groups of saw tooth plates (1) are arranged, one sides of the two groups of saw tooth plates (1) close to each other are in a saw tooth shape, the two groups of saw tooth plates (1) are fixedly provided with main beams (2) at the bottoms, connecting components are arranged between the two groups of main beams (2), and installation components are arranged on the outer sides of the two groups of main beams (2), and the main beams (2) are I-shaped beams.
2. A bridge extension apparatus according to claim 1 wherein: the connecting assembly comprises connecting steel bars (3), connecting blocks (4), sleeves (5), movable columns (6) and steel springs (7), two groups of connecting steel bars (3) are arranged between the main beams (2) in an array mode, and the two groups of connecting steel bars (3) are distributed in a crossed mode.
3. A bridge extension apparatus as claimed in claim 2 wherein: connecting blocks (4) are fixedly arranged at two ends of the connecting steel bars (3), and the connecting blocks (4) are fixedly connected with the inner wall of the main beam (2).
4. A bridge extension apparatus as claimed in claim 2 wherein: the bottom array of connecting steel bar (3) is provided with sleeve pipe (5), the middle part of the inner chamber of sleeve pipe (5) is provided with steel spring (7), both ends of steel spring (7) all fixed mounting have movable post (6), movable post (6) run through sleeve pipe (5) and extend to its outside, two sets of one end that steel spring (7) was kept away from to movable post (6) is respectively with two sets of inner wall fixed connection of girder (2).
5. A bridge extension apparatus according to claim 1 wherein: the installation component includes mounting panel (8), bolt (9) and reinforcement piece (10), and the outside of two sets of girders (2) is all fixed mounting panel (8), the both ends of mounting panel (8) are all symmetry and are provided with reinforcement piece (10), the top array of mounting panel (8) is provided with bolt (9), just bolt (9) and reinforcement piece (10) interval distribution.
6. A bridge extension apparatus according to claim 1 wherein: sealing films (11) are arranged at the bottoms of the two groups of the serration plates (1), and the sealing films (11) are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506357.4U CN220847073U (en) | 2023-09-15 | 2023-09-15 | Bridge telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506357.4U CN220847073U (en) | 2023-09-15 | 2023-09-15 | Bridge telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847073U true CN220847073U (en) | 2024-04-26 |
Family
ID=90781762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322506357.4U Active CN220847073U (en) | 2023-09-15 | 2023-09-15 | Bridge telescoping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847073U (en) |
-
2023
- 2023-09-15 CN CN202322506357.4U patent/CN220847073U/en active Active
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