CN212983591U - Bridge expansion joint - Google Patents
Bridge expansion joint Download PDFInfo
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- CN212983591U CN212983591U CN202021582427.4U CN202021582427U CN212983591U CN 212983591 U CN212983591 U CN 212983591U CN 202021582427 U CN202021582427 U CN 202021582427U CN 212983591 U CN212983591 U CN 212983591U
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- dustproof rubber
- section steel
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Abstract
The utility model discloses a bridge expansion joint belongs to the bridge building field, including installing the expansion joint device between two relative U type anchor muscle, expansion joint device includes the relative channel-section steel of two openings, channel-section steel back and the anchor muscle fixed connection that corresponds, be provided with the clearance between two channel-sections, clearance department sets up the synthetic dustproof rubber body of EPT, on the dustproof rubber body, the lower surface is protruding structure, on the dustproof rubber body, the bellying of lower surface sets up the clearance department between two channel-sections, on the dustproof rubber body, the both sides of lower surface bellying all with the channel-section steel, lower inner wall contact, two channel-section steel lower extremes are fixed with U type offset plate, U type offset plate upper end open-ended both ends are fixed respectively on two channel-section steel lower surfaces. The utility model provides a dustproof, waterproof bridge expansion joint, increase of service life under the condition that does not influence the flexible normal displacement of bridge.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction and specifically relates to a bridge expansion joint.
Background
The construction quality standard of the road and bridge construction industry for bridge engineering is continuously improved. The bridge engineering has longer service time, which affects the normal transportation of the traffic in the area, so the quality standard requirements of the traffic department and the engineering management quality supervision department for the bridge engineering are higher than those of other traffic engineering. In recent years, some problems are exposed along with the great increase of the number of road and bridge construction, one of the problems is that the expansion joints arranged in the bridge are open joints, so that the landfill of garbage such as sand and stone, soil and the like in the joints is easy to happen, and the water stop belt is aged and damaged, so that the functions of the expansion joints are lost, the section steel is broken, and the abutment water erosion is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a dustproof, waterproof bridge expansion joint, increase of service life under the condition that does not influence the flexible normal displacement of bridge.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a bridge expansion joint, including installing the expansion joint device between two relative U type anchor muscle, the expansion joint device includes the relative channel-section steel of two openings, channel-section steel back and the anchor muscle fixed connection that corresponds, be provided with the clearance between two channel-section steels, clearance department sets up the synthetic dustproof rubber body of EPT, on the dustproof rubber body, the lower surface is the protruding structure, on the dustproof rubber body, the bellying of lower surface sets up clearance department between two channel-section steels, on the dustproof rubber body, the both sides of lower surface bellying all with the channel-section steel, lower inner wall contact, two channel-section steel lower extremes are fixed with U type offset plate, the open-ended both ends are fixed respectively on two channel-section steels lower surfaces on U type offset plate.
The utility model discloses technical scheme's further improvement lies in: three through holes arranged along the length direction of the channel steel are uniformly formed in the width direction of the dustproof rubber body.
The utility model discloses technical scheme's further improvement lies in: the through hole is square.
The utility model discloses technical scheme's further improvement lies in: the upper surface protruding part and the lower surface protruding part of the dustproof rubber body are horizontal, and the two sides of the protruding parts are inclined planes which are downwards inclined and matched with the inner wall of the channel steel.
The utility model discloses technical scheme's further improvement lies in: the upper end tip of U type anchor muscle is provided with the flexion that sets up towards channel-section steel length direction, and the anchor muscle upper end flexion outside is fixed with the channel-section steel back, and anchor muscle lower extreme upper surface is connected with channel-section steel lower surface fixed connection.
The utility model discloses technical scheme's further improvement lies in: the upper surface of the channel steel is 24mm higher than the upper end surface of the anchoring rib.
The utility model discloses technical scheme's further improvement lies in: and 2 cm-thick reinforcing plates are welded on the inner wall of the channel steel every 20 cm.
The utility model discloses technical scheme's further improvement lies in: the U-shaped rubber plate is pressed on the lower surface of the channel steel through a strip-shaped pressing plate and fixed through bolts, and corresponding connecting holes are formed in the U-shaped rubber plate and the pressing plate.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model has the characteristics of dustproof, waterproof, do not influence the flexible normal displacement of bridge to exempt from to clear up, exempt from to install waterstop and long service life, see from the result of use, reduced daily personnel of keeping a public place clean to the cleaning work of waterstop debris, improved work efficiency, reduced the potential safety hazard, realized the effect that the maintenance reduces costs and increases effects.
Be provided with clearance fit between the bellying of the upper and lower surface setting of the synthetic dustproof rubber body of EPT and two channel-section steels, the both sides of the upper and lower surface bellying of dustproof rubber body all cooperate with the upper and lower inner wall contact of channel-section steel, still can guarantee the leakproofness when the translation is controlled to the anchor muscle drive channel-section steel, and dustproof performance obtains guaranteeing. The U-shaped rubber plate realizes the stretching of length when the channel steel is translated left and right, and the sealing performance is also ensured on the premise of satisfying the stretching translation.
And 2 cm-thick reinforcing plates are welded on the inner wall of the channel steel every 20cm, so that the strength of the channel steel is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a platen construction;
FIG. 3 is a front view of an anchoring bar;
FIG. 4 is a top view of an anchoring rib;
the device comprises an anchoring rib 1, an anchoring rib 2, channel steel 3, a dustproof rubber body 4, a U-shaped rubber plate 5 and a pressing plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in figures 1-4, a bridge expansion joint, including installing the expansion joint device between two relative U type anchor muscle 1, two U type anchor muscle 1 are connected on two displacement boxes that can produce the displacement along the horizontal direction, and the displacement box can drive anchor muscle 1 and remove.
The expansion joint device comprises two channel steel 2, wherein the openings of the channel steel 2 are opposite, a hot-rolled common No. 8 channel steel can be selected, the back of the channel steel 2 is fixedly connected with the corresponding anchoring rib 1, and the channel steel 2 moves along with the anchoring rib 1. A gap is arranged between the two channel steels 2, a dustproof rubber body 3 is arranged at the gap, and ethylene propylene diene monomer synthetic rubber is preferably selected as the dustproof rubber body 3. The upper and lower surfaces of the dustproof rubber body 3 are protruding structures, the protruding parts of the upper and lower surfaces of the dustproof rubber body 3 are arranged in the gap between the two channel steel 2, and the two sides of the protruding parts of the upper and lower surfaces of the dustproof rubber body 3 are in contact with the upper and lower inner walls of the channel steel 2. The upper and lower surface bulge parts of the dustproof rubber body 3 are horizontal, and the two sides of the bulge parts are inclined planes which are downwards inclined and matched with the inner wall of the channel steel 2.
The lower extreme of two channel-section steels 2 is fixed with U type offset plate 4, and the open-ended both ends in U type offset plate 4 upper end are fixed respectively on two channel-section steels 2 lower surfaces, and U type offset plate 4 is softer, and when two channel-section steels 2 kept away from or were close to, the opening in U type offset plate 4 upper end was drawn greatly and is reduced. Specifically, U type offset plate 4 passes through the clamp plate pressure of bar and passes through the bolt fastening on 2 lower surfaces of channel-section steel, has seted up corresponding connecting hole on U type offset plate 4 and the clamp plate 5.
Wherein the upper end tip of U type anchor muscle 1 is provided with the flexion, and the flexion sets up towards 2 length direction of channel-section steel, and the 1 upper end flexion outside of anchor muscle is fixed with the 2 backs of channel-section steel, and 1 lower extreme upper surface of anchor muscle is connected with 2 lower fixed surfaces of channel-section steel. The upper surface of the channel steel 2 is 24mm higher than the upper end surface of the anchoring rib 1, the horizontal width of the protruding parts of the upper surface and the lower surface of the dustproof rubber body 3 is 36 +/-2 mm, the two channel steels 2 can move horizontally, and the maximum distance between the two channel steels 2 is 40 mm.
Preferably, 2 inner walls of channel-section steel every 20cm weld the reinforcing plate that 2cm is thick on the inner wall, further strengthened the utility model discloses an overall strength.
Further preferably, three through holes can be uniformly formed in the width direction of the dustproof rubber body 3 and are formed along the length direction of the channel steel 2. The through-hole is preferably square.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a bridge expansion joint, is including installing the expansion joint device between two relative U type anchor muscle (1), its characterized in that: the expansion joint device comprises two channel steel (2) with opposite openings, the back of the channel steel (2) is fixedly connected with a corresponding anchoring rib (1), a gap is formed between the two channel steel (2), the gap is provided with an Ethylene Propylene Diene Monomer (EPDM) synthetic dustproof rubber body (3), the dustproof rubber body (3) is arranged, the lower surface of the dustproof rubber body is of a protruding structure, the dustproof rubber body (3) is arranged, the protruding part of the lower surface of the dustproof rubber body is arranged in the gap between the two channel steel (2), the dustproof rubber body (3) is arranged, the two sides of the protruding part of the lower surface of the dustproof rubber body are both in contact with the upper wall and the lower wall of the channel steel (2), U-shaped rubber plates (4) are fixed to the lower ends of the upper end openings of the U-shaped rubber plates (4.
2. A bridge expansion joint according to claim 1, wherein: three through holes arranged along the length direction of the channel steel (2) are uniformly formed in the width direction of the dustproof rubber body (3).
3. A bridge expansion joint according to claim 2, wherein: the through hole is square.
4. A bridge expansion joint according to claim 1, wherein: the upper surface and the lower surface of the dustproof rubber body (3) are horizontal, and the two sides of the convex parts are inclined planes which are downwards inclined and matched with the inner wall of the channel steel (2).
5. A bridge expansion joint according to claim 1, wherein: the upper end tip of U type anchor muscle (1) is provided with the flexion that sets up towards channel-section steel (2) length direction, and the fixed with channel-section steel (2) back in anchor muscle (1) upper end flexion outside, anchor muscle (1) lower extreme upper surface and channel-section steel (2) lower surface fixed connection.
6. A bridge expansion joint according to claim 5, wherein: the upper surface of the channel steel (2) is 24mm higher than the upper end surface of the anchoring rib (1).
7. A bridge expansion joint according to claim 1, wherein: and 2 cm-thick reinforcing plates are welded on the inner wall of the channel steel (2) every 20 cm.
8. A bridge expansion joint according to claim 1, wherein: u type offset plate (4) are pressed on channel-section steel (2) lower surface and are fixed through the bolt through the clamp plate of bar, have seted up corresponding connecting hole on U type offset plate (4) and clamp plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582427.4U CN212983591U (en) | 2020-08-03 | 2020-08-03 | Bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582427.4U CN212983591U (en) | 2020-08-03 | 2020-08-03 | Bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212983591U true CN212983591U (en) | 2021-04-16 |
Family
ID=75430919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021582427.4U Active CN212983591U (en) | 2020-08-03 | 2020-08-03 | Bridge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212983591U (en) |
-
2020
- 2020-08-03 CN CN202021582427.4U patent/CN212983591U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220809 Address after: 053000 19-3-1604, livable home, Renmin East Road, Taocheng District, Hengshui City, Hebei Province Patentee after: Ai Yongliang Patentee after: Xuanda branch of Hebei Expressway Group Co.,Ltd. Address before: 053000 19-3-1604, livable home, Renmin East Road, Taocheng District, Hengshui City, Hebei Province Patentee before: Ai Yongliang |