CN213740576U - Bridge expansion joint device capable of resisting earthquake displacement - Google Patents
Bridge expansion joint device capable of resisting earthquake displacement Download PDFInfo
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- CN213740576U CN213740576U CN202021639852.2U CN202021639852U CN213740576U CN 213740576 U CN213740576 U CN 213740576U CN 202021639852 U CN202021639852 U CN 202021639852U CN 213740576 U CN213740576 U CN 213740576U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 31
- 239000013013 elastic material Substances 0.000 claims abstract description 27
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses an anti earthquake displacement's bridge expansion joint device, including two roof beam bodies, it has elastic material to fill between two roof beam bodies, first rectangular channel has been preset at the top of the roof beam body, and one side that two first rectangular channels are close to each other is all established to the opening, the bottom inner wall of two first rectangular channels all with elastic material's top parallel and level, threaded fixation has supporting beam on the bottom inner wall of first rectangular channel, and one side that two supporting beam are close to each other all extends to between two roof beam bodies and fixed mounting elastic buffer is cotton. The utility model relates to a rationally, under the elastic force cooperation of elastic material, elastic block and spring, the rigid power of dragging of having alleviated transverse motion, it is great to reduce because of dragging the power, causes supporting beam, first activity to flow board and second activity to flow the board rupture risk of damaging, has improved shock-resistant effect, and the elasticity of elastic block and spring helps after the earthquake, promotes first activity to flow board and second activity and flows the board reconversion, satisfies the user demand.
Description
Technical Field
The utility model relates to a bridge expansion joint equipment technical field especially relates to an anti earthquake displacement's bridge expansion joint device.
Background
The bridge expansion joint is a device which is arranged between two beam ends, between the beam ends and a bridge abutment or at the hinged position of a bridge in order to meet the requirement of bridge deck deformation, most of the existing bridge expansion joint devices are comb plate type, the transverse expansion function of the existing bridge expansion joint devices can meet the expansion requirement of a bridge body, most of the existing flow plate type bridge expansion joint devices are composed of a plurality of movable flow plates and two supporting cross beams, the plurality of movable flow plates are respectively fixed on the corresponding supporting cross beams in a threaded manner, the two movable flow plates which are opposite to each other from left to right are symmetrically arranged, and the two adjacent movable flow plates are in rigid contact with each other;
the existing bridge expansion joint is poor in anti-seismic effect and inconvenient to relieve transverse motion force, when an earthquake occurs, transverse motion can occur between bridge beams, and due to the fact that two adjacent movable flow plates are in rigid contact, the supporting cross beam and the movable flow plates are prone to being broken and damaged due to the fact that rigid pulling force is large, the using requirements cannot be met, and therefore the bridge expansion joint device capable of resisting earthquake displacement is provided and used for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a bridge expansion joint device with earthquake displacement resistance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bridge expansion joint device resisting earthquake displacement comprises two beam bodies, elastic materials are filled between the two beam bodies, first rectangular grooves are preset in the tops of the beam bodies, one sides, close to each other, of the two first rectangular grooves are both provided with openings, the bottom inner walls of the two first rectangular grooves are flush with the tops of the elastic materials, supporting beams are fixed on the bottom inner walls of the first rectangular grooves in a threaded mode, one sides, close to each other, of the two supporting beams extend to the space between the two beam bodies and are fixedly provided with elastic buffer cotton, one sides, close to each other, of the two elastic buffer cotton are in movable contact, a rectangular plate is fixedly arranged on the left side of the supporting beam on the right side of the two supporting beams, the supporting beam on the left side is slidably sleeved on the rectangular plate, a plurality of supporting columns are fixedly arranged at the bottoms of the supporting beams, the beam bodies are movably sleeved on the corresponding supporting columns, and obliquely arranged supporting plates are fixedly arranged on one sides, close to each other, of the two beam bodies, the two supporting plates are symmetrically arranged, the tops of the two supporting plates are respectively fixedly connected with the bottoms of the corresponding supporting beams, the top of the supporting beam on the right side is fixedly provided with a plurality of first movable flow plates, the top of the supporting beam on the left side is fixedly provided with a plurality of second movable flow plates, the plurality of first movable flow plates and the plurality of second movable flow plates are arranged in a staggered manner, the second movable flow plates are positioned between the two corresponding first movable flow plates, fixed blocks are respectively and fixedly arranged between the mutually close sides of the two adjacent first movable flow plates and the rear side of the second movable flow plate, elastic blocks are respectively and fixedly arranged on the mutually close sides of the two fixed blocks which are staggered and opposite from left to right, the right sides of the plurality of elastic blocks on the left side are respectively and fixedly connected with the left sides of the corresponding first movable flow plates, and the left sides of the plurality of elastic blocks on the right side are respectively and fixedly connected with the right sides of the corresponding second movable flow plates, the front side of the first flow plate except the first flow plate at the front side is provided with a second rectangular groove, the inner walls of two sides of the second rectangular groove are fixedly provided with the same positioning rod, the rear side of the second flow plate is fixedly provided with a rectangular sleeve, the rectangular sleeve is movably sleeved on the corresponding positioning rod, the left side of the rectangular sleeve and the inner wall of the left side of the corresponding second rectangular groove are fixedly provided with the same spring, and the spring is movably sleeved on the corresponding positioning rod.
Preferably, a plurality of first thread grooves are formed in the inner wall of the bottom of the first rectangular groove, first fastening bolts are sleeved in the first thread grooves in a threaded manner, and the supporting cross beam is sleeved on the corresponding first fastening bolts in a threaded manner.
Preferably, a plurality of third rectangular grooves are formed in the inner wall of the bottom of the first rectangular groove, and the inner walls of the third rectangular grooves are in movable contact with the outer sides of the corresponding support columns.
Preferably, a plurality of second thread grooves are formed in one side of the top of the supporting beam, second fastening bolts are sleeved in the second thread grooves in a threaded manner, and the first movable flow plate and the second movable flow plate are respectively movably sleeved on the corresponding second fastening bolts.
Preferably, two balls are embedded on the inner walls of the four sides of the rectangular sleeve, the positioning rods are located between the eight corresponding balls, and the balls are in rolling contact with the outer sides of the corresponding positioning rods.
Preferably, the elastic material, the elastic buffering cotton and the elastic block are all made of foaming elastic materials.
Compared with the prior art, the beneficial effects of the utility model are that:
through the matching of the beam body, the first rectangular groove, the supporting beam, the rectangular plate, the supporting column, the elastic material, the supporting plate, the first movable flow plate, the second movable flow plate, the fixed block, the elastic block, the second rectangular groove, the positioning rod, the spring, the rectangular sleeve and the ball, when an earthquake occurs, the two beam bodies move transversely in the direction away from each other and drag the elastic material, so that the elastic material deforms, under the elastic force of the elastic material, the dragging force between the two beam bodies is relieved, meanwhile, the beam bodies drive the corresponding supporting beam to move, one supporting beam positioned on the left side drives the second movable flow plate to move leftwards, the supporting beam positioned on the right side drives the first movable flow plate to move rightwards, the first movable flow plate and the second movable flow plate respectively drag the corresponding elastic block while moving, so that the elastic block deforms, and meanwhile, the first movable flow plate drives the corresponding positioning rod and the second rectangular groove to move rightwards, the second activity flows the board and drives the rectangle cover that corresponds and remove left, the rectangle cover with the second rectangular channel that corresponds removes and compresses the spring to the direction that is close to each other, under the spring action of spring and the elastic block that corresponds, the lateral motion power that first activity flowed board and second activity and flowed the board has been alleviated, it is great because of rigid pulling force to reduce, cause supporting beam, first activity flows board and second activity and flows the board rupture damage risk, the shock-resistant effect has been improved, the setting of a plurality of support columns, supporting beam's support stability has been improved.
The utility model relates to a rationally, under the elastic force cooperation of elastic material, elastic block and spring, the rigid power of dragging of having alleviated transverse motion, it is great to reduce because of dragging the power, causes supporting beam, first activity to flow board and second activity to flow the board rupture risk of damaging, has improved shock-resistant effect, and the elasticity of elastic block and spring helps after the earthquake, promotes first activity to flow board and second activity and flows the board reconversion, satisfies the user demand.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of a bridge expansion joint device for resisting seismic displacement according to the present invention;
FIG. 2 is a schematic top cross-sectional structural view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: the structure comprises a beam body 1, a first rectangular groove 2, a supporting beam 3, a rectangular plate 4, supporting columns 5, elastic materials 6, a supporting plate 7, a first movable flow plate 8, a second movable flow plate 9, a fixing block 10, an elastic block 11, a second rectangular groove 12, a positioning rod 13, a spring 14, a rectangular sleeve 15 and balls 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a bridge expansion joint device for resisting seismic displacement comprises two beam bodies 1, an elastic material 6 is filled between the two beam bodies 1, a first rectangular groove 2 is preset at the top of the beam body 1, one side of the two first rectangular grooves 2, which is close to each other, is provided with an opening, the inner walls of the bottoms of the two first rectangular grooves 2 are flush with the top of the elastic material 6, a supporting beam 3 is fixed on the inner wall of the bottom of the first rectangular groove 2 through a thread, one side of the two supporting beams 3, which is close to each other, extends to between the two beam bodies 1 and is fixedly provided with elastic buffer cotton, one side of the two elastic buffer cotton, which is close to each other, is in movable contact, a rectangular plate 4 is fixedly arranged at the left side of the supporting beam 3 on the right side of the two supporting beams 3, the supporting beam 3 on the left side is slidably sleeved on the rectangular plate 4, a plurality of supporting columns 5 are fixedly arranged at the bottom of the supporting beam 3, the beam body 1 is movably sleeved on the corresponding support columns 5, obliquely arranged support plates 7 are fixedly arranged on the mutually close sides of the two beam bodies 1, the two support plates 7 are symmetrically arranged, the tops of the two support plates 7 are respectively and fixedly connected with the bottoms of the corresponding support beams 3, a plurality of first movable flow plates 8 are fixedly arranged on the tops of the support beams 3 on the right side, a plurality of second movable flow plates 9 are fixedly arranged on the tops of the support beams 3 on the left side, the plurality of first movable flow plates 8 and the plurality of second movable flow plates 9 are arranged in a staggered manner, the second movable flow plates 9 are arranged between the corresponding two first movable flow plates 8, fixed blocks 10 are fixedly arranged between the mutually close sides of the two adjacent first movable flow plates 8 and the rear side of the second movable flow plate 9, elastic blocks 11 are fixedly arranged on the mutually close sides of the two left and right staggered opposite fixed blocks 10, the right sides of a plurality of elastic blocks 11 positioned on the left side in a plurality of elastic blocks 11 are respectively fixedly connected with the left sides of corresponding first movable flow plates 8, the left sides of a plurality of elastic blocks 11 positioned on the right side are respectively fixedly connected with the right sides of corresponding second movable flow plates 9, the front sides of the first movable flow plates 8 except the first movable flow plates 8 on the front sides are all provided with second rectangular grooves 12, the same positioning rod 13 is fixedly arranged between the inner walls of the two sides of the second rectangular groove 12, the rear sides of the second movable flow plates 9 are fixedly provided with rectangular sleeves 15, the rectangular sleeves 15 are movably sleeved on the corresponding positioning rods 13, the same spring 14 is fixedly arranged between the left side of the rectangular sleeve 15 and the inner wall of the left side of the corresponding second rectangular groove 12, and the spring 14 is movably sleeved on the corresponding positioning rod 13, the utility model has reasonable design, under the elastic matching of the elastic materials 6, the elastic blocks 11 and the spring 14, the rigid pulling force of the transverse motion is relieved, the risk that the supporting beam 3, the first movable flow plate 8 and the second movable flow plate 9 are broken and damaged due to the fact that the pulling force is large is reduced, the anti-seismic effect is improved, the elastic blocks 11 and the springs 14 help to promote the first movable flow plate 8 and the second movable flow plate 9 to restore to the original state after an earthquake, and the using requirements are met.
In the utility model, a plurality of first thread grooves are arranged on the inner wall of the bottom of a first rectangular groove 2, a first fastening bolt is sleeved on the inner thread of the first thread groove, a supporting beam 3 is sleeved on the corresponding first fastening bolt, a plurality of third rectangular grooves are arranged on the inner wall of the bottom of the first rectangular groove 2, the inner wall of each third rectangular groove is movably contacted with the outer side of the corresponding supporting column 5, a plurality of second thread grooves are arranged on one side of the top of the supporting beam 3, a second fastening bolt is sleeved on the inner thread of each second thread groove, a first movable flow plate 8 and a second movable flow plate 9 are respectively movably sleeved on the corresponding second fastening bolt, two balls 16 are embedded on the inner walls of four sides of a rectangular sleeve 15, a positioning rod 13 is positioned between the corresponding eight balls 16, the balls 16 are in rolling contact with the outer sides of the corresponding positioning rod 13, the elastic material 6, the elastic buffer cotton and the elastic block 11 are all foaming elastic materials, the utility model relates to a rationally, elastic material 6, elastic block 11 and spring 14's elasticity cooperation is down, has alleviated transverse motion's rigid power of dragging, and it is great to reduce because of dragging the power, causes supporting beam 3, first activity to flow board 8 and second activity to flow board 9 rupture damage risk, has improved shock-resistant effect, and elastic block 11 and spring 14's elasticity helps behind the earthquake, promotes first activity to flow board 8 and second activity and flows 9 reconversion of board, satisfies the user demand.
The working principle is as follows: when an earthquake occurs, when the two beam bodies 1 move transversely, the moving force drives the two beam bodies 1 to move in the direction away from each other, the two beam bodies 1 simultaneously pull the elastic material 6, the elastic material 6 deforms under the action of the pulling force, the pulling force between the two beam bodies 1 is relieved under the action of the elastic force of the elastic material 6, meanwhile, the beam bodies 1 drive the corresponding supporting beams 3 to move, one supporting beam 3 on the left side drives the second movable flow plate 9 to move leftwards, the supporting beam 3 on the right side drives the first movable flow plate 8 to move rightwards, the first movable flow plate 8 and the second movable flow plate 9 respectively pull the corresponding elastic blocks 11 while moving, the elastic blocks 11 deform, meanwhile, the first movable flow plate 8 drives the corresponding positioning rods 13 to move rightwards, and simultaneously, the first movable flow plate 8 drives the corresponding second rectangular grooves 12 to move rightwards, the second movable flow plate 9 drives the corresponding rectangular sleeve 15 to move leftwards, the rectangular sleeve 15 drives the corresponding ball 16 to roll outside the positioning rod 13, the rectangular sleeve 15 and the corresponding second rectangular groove 12 move towards the direction close to each other and compress the spring 14, under the elastic action of the spring 14 and the corresponding elastic block 11, the transverse movement force of the first movable flow plate 8 and the second movable flow plate 9 is relieved, the risk of breakage and damage of the supporting beam 3, the first movable flow plate 8 and the second movable flow plate 9 caused by a large rigid pulling force is reduced, and under the elastic cooperation of the elastic material 6, the elastic block 11 and the spring 14, the anti-seismic effect is improved, and the elastic force of the elastic block 11 and the spring 14 is helpful for promoting the first movable flow plate 8 and the second movable flow plate 9 to rapidly recover to the original shape after an earthquake;
and a plurality of support columns 5 are arranged, so that the support stability of the support beam 3 is improved, and the damage risk during earthquake is reduced.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A bridge expansion joint device resisting earthquake displacement comprises two beam bodies (1), elastic materials (6) are filled between the two beam bodies (1), and the bridge expansion joint device is characterized in that first rectangular grooves (2) are preset at the tops of the beam bodies (1), one sides, close to each other, of the two first rectangular grooves (2) are respectively provided with an opening, the inner walls of the bottoms of the two first rectangular grooves (2) are respectively flush with the tops of the elastic materials (6), supporting cross beams (3) are fixed on the inner walls of the bottoms of the first rectangular grooves (2) in a threaded manner, one sides, close to each other, of the two supporting cross beams (3) respectively extend to a position between the two beam bodies (1) and are fixedly provided with elastic buffer cotton, one sides, close to each other, of the two elastic buffer cotton are in movable contact, a rectangular plate (4) is fixedly arranged on the left side of the supporting cross beam (3) on the right side in the two supporting cross beams (3), the supporting cross beam (3) on the left side is slidably sleeved on the rectangular plate (4), the bottom fixed mounting of supporting beam (3) has a plurality of support columns (5), roof beam body (1) movable sleeve is established on a plurality of support columns (5) that correspond, the equal fixed mounting in one side that two roof beam bodies (1) are close to each other has backup pad (7) that the slope set up, two backup pad (7) symmetry sets up, the top of two backup pads (7) respectively with the bottom fixed connection of supporting beam (3) that correspond, the top fixed mounting of supporting beam (3) that is located the right side has a plurality of first activity to flow board (8), the top fixed mounting that is located left supporting beam (3) has a plurality of second activity to flow board (9), a plurality of first activity flows board (8) and a plurality of second activity and flows board (9) crisscross setting, the second activity flows board (9) and is located between two first activity that correspond and flows between one side that board (8) are close to each other and the equal fixed mounting in rear side of second activity board (9) has the fixed block (10) The left and right sides of two fixed blocks (10) which are staggered and opposite are close to each other are fixedly provided with elastic blocks (11), the right sides of the elastic blocks (11) positioned on the left side in the elastic blocks (11) are respectively and fixedly connected with the left sides of the corresponding first movable flow plates (8), the left sides of the elastic blocks (11) positioned on the right side are respectively and fixedly connected with the right sides of the corresponding second movable flow plates (9), the front sides of the first movable flow plates (8) except the first movable flow plates (8) positioned on the front sides are respectively provided with a second rectangular groove (12), the inner walls on the two sides of the second rectangular grooves (12) are fixedly provided with a same positioning rod (13), the rear sides of the second movable flow plates (9) are fixedly provided with rectangular sleeves (15), the rectangular sleeves (15) are movably sleeved on the corresponding positioning rods (13), the left sides of the rectangular sleeves (15) and the inner walls on the left sides of the corresponding second rectangular grooves (12) are fixedly provided with a same spring (14), the spring (14) is movably sleeved on the corresponding positioning rod (13).
2. The bridge expansion joint device capable of resisting earthquake displacement according to claim 1, wherein a plurality of first thread grooves are formed in the inner wall of the bottom of the first rectangular groove (2), first fastening bolts are sleeved in the first thread grooves in a threaded manner, and the supporting cross beam (3) is sleeved on the corresponding first fastening bolts in a threaded manner.
3. The device for bridge expansion joint capable of resisting earthquake displacement according to claim 1, wherein a plurality of third rectangular grooves are formed on the inner wall of the bottom of the first rectangular groove (2), and the inner walls of the third rectangular grooves are movably contacted with the outer sides of the corresponding support pillars (5).
4. The device for bridge expansion joint capable of resisting earthquake displacement according to claim 1, wherein one side of the top of the supporting beam (3) is provided with a plurality of second threaded grooves, second fastening bolts are sleeved in the second threaded grooves in a threaded manner, and the first movable flow plate (8) and the second movable flow plate (9) are respectively movably sleeved on the corresponding second fastening bolts.
5. The device for bridge expansion joint resisting earthquake displacement as claimed in claim 1, wherein two balls (16) are embedded on the four side inner walls of the rectangular sleeve (15), the positioning rods (13) are positioned between the eight corresponding balls (16), and the balls (16) are in rolling contact with the outer sides of the corresponding positioning rods (13).
6. The device for bridge expansion joint capable of resisting earthquake displacement according to claim 1, wherein the elastic material (6), the elastic buffer cotton and the elastic block (11) are all made of foamed elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639852.2U CN213740576U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion joint device capable of resisting earthquake displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639852.2U CN213740576U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion joint device capable of resisting earthquake displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213740576U true CN213740576U (en) | 2021-07-20 |
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ID=76840796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639852.2U Expired - Fee Related CN213740576U (en) | 2020-08-10 | 2020-08-10 | Bridge expansion joint device capable of resisting earthquake displacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213740576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431216A (en) * | 2021-08-16 | 2021-09-24 | 张国伟 | Building electrical pipeline system passing through earthquake-resistant joint |
-
2020
- 2020-08-10 CN CN202021639852.2U patent/CN213740576U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431216A (en) * | 2021-08-16 | 2021-09-24 | 张国伟 | Building electrical pipeline system passing through earthquake-resistant joint |
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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: 20210720 |