CN210561685U - Shock attenuation bridge structures - Google Patents
Shock attenuation bridge structures Download PDFInfo
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- CN210561685U CN210561685U CN201920034841.2U CN201920034841U CN210561685U CN 210561685 U CN210561685 U CN 210561685U CN 201920034841 U CN201920034841 U CN 201920034841U CN 210561685 U CN210561685 U CN 210561685U
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Abstract
The utility model discloses a shock attenuation bridge structures belongs to bridge technical field, and this bridge structures includes bent cap and pier shaft, still includes buffering damper, connects platform and cushion cap, connects the platform to fix in the bent cap bottom, and the cushion cap is fixed at pier shaft top, and buffering damper is located to connect between platform and the cushion cap. Buffering damper includes the pullover, the support column, cushion rubber pad, buffer spring and activity head, pullover upper portion is fixed in the connection platform bottom, be provided with movable chamber in the pullover, the activity head holds in the activity intracavity, activity chamber and activity head looks adaptation, cushion rubber pad is located pullover below and fixes at the cushion cap top, the perforation has been seted up at cushion rubber pad middle part, the support column lower extreme passes the perforation and fixes on the cushion cap, the upper end passes pullover bottom and is connected with the activity head, buffer spring overlaps on the support column and one end is fixed on the cushion cap, the other end is fixed in pullover bottom, the not fine problem of current bridge shock-absorbing structure's shock attenuation effect has been solved.
Description
Technical Field
The utility model relates to a bridge technical field, in particular to shock attenuation bridge structures.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
In recent years, earthquakes occur frequently around the world, and direct and indirect economic losses caused by each earthquake damage to a bridge structure are huge, so that the requirement of people on the earthquake resistance of the bridge is higher and higher. The improvement of bridge span resistance by introducing seismic isolation structures is also becoming a hot spot for research and application.
The existing bridge damping structure mainly comprises a rubber block, and although the existing bridge damping structure can play a certain damping role, the deformation is small under the action of an earthquake, and the damping effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shock attenuation bridge structures, it has solved current bridge shock-absorbing structure's shock attenuation effect is not fine problem.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a shock absorption bridge structure comprises a bent cap and a pier body arranged below the bent cap, and further comprises a shock absorption mechanism, a connecting platform and a bearing platform, wherein the connecting platform is fixed at the bottom of the bent cap, the bearing platform is fixed at the top of the pier body, and the shock absorption mechanism is located between the connecting platform and the bearing platform;
buffering damper includes pullover, support column, cushion rubber pad, buffer spring and activity head, pullover upper portion is fixed connect the platform bottom, pullover be provided with be used for the gliding activity chamber from top to bottom of activity head, the activity head holds the activity intracavity, the activity chamber with activity head looks adaptation, cushion rubber pad is located pullover below is just fixed cushion cap top, cushion rubber pad middle part has been seted up the perforation, the support column lower extreme passes the perforation is fixed on the cushion cap, the upper end passes pullover bottom and with the activity head is connected, the buffer spring cover is in on the support column and one end fix on the cushion cap, the other end is fixed pullover bottom.
Adopt above-mentioned structure, buffer spring plays one-level cushioning effect, and rubber cushion pad plays second grade cushioning effect, can disperse the load to transmit cushion cap and pier shaft with power through buffer spring and rubber cushion pad, the shock attenuation is effectual. The cushioning rubber pad not only can play certain buffering shock insulation effect, can also play the effect of bearing, alleviates the damage to buffer spring, long service life.
The method is further optimized as follows: the damping mechanism comprises a connecting column, a fixing plate, a connecting spring and a damping block;
the upper end of the connecting column is fixed at the bottom of the connecting table, the fixing plate is fixed at the outer edge of the bearing table, one end of the connecting spring is fixed on the fixing plate, the other end of the connecting spring is fixed with the damping block, the upper surface of the bearing table is provided with a sliding groove, the bottom of the damping block is fixed with a bulge, and the bulge is embedded in the sliding groove and is in sliding fit with the sliding groove;
the upper surface of the damping block is provided with a sliding part and a supporting part, the sliding part is positioned between the fixed plate and the supporting part, the sliding part is an arc-shaped surface and gradually reduces in height in the direction away from the fixed plate, and the supporting part is a horizontal plane and is used for supporting the connecting column;
when the connecting spring is in a natural state, the connecting column is positioned right above the sliding part.
By adopting the structure, when the bearing platform and the connecting platform are mutually closed, the bottom of the connecting column is contacted with the sliding part and slides along the sliding part until the connecting column is positioned on the supporting part, and the connecting spring is in a compressed state at the moment. The spliced pole can receive the resistance that connecting spring applyed at the sliding part in-process to play buffering shock attenuation's effect. The supporting part can be used for supporting the connecting column, the bearing force of the buffer spring and the buffer rubber pad is reduced, the buffer spring and the buffer rubber pad are well protected, and the service life is prolonged.
The method is further optimized as follows: the bottom of the connecting column is rotatably connected with a roller.
By adopting the structure, the connecting column can slide on the sliding part conveniently.
The method is further optimized as follows: the damping piece upper surface is provided with spacing portion, spacing portion with the sliding part is located respectively between the supporting part, spacing portion is used for the restriction the gyro wheel roll-off the damping piece.
With the above structure, the roller is prevented from rolling out of the supporting part.
The method is further optimized as follows: the damping block is a rubber block.
By adopting the structure, the damping block has elasticity, and the effect of auxiliary buffering and shock absorption is achieved.
The method is further optimized as follows: the cushion rubber pad is arranged in the middle of the cushion cap, the number of the damping mechanisms is two, and the four damping mechanisms are respectively arranged at four included angles of the cushion cap.
By adopting the structure, the stress is uniform, and the stability is better.
To sum up, the utility model discloses following beneficial effect has: buffer spring plays one-level cushioning effect, and rubber cushion pad and damping piece play second grade cushioning effect, can disperse the load to transmit power to cushion cap and pier shaft through buffer spring, rubber cushion pad and damping piece, the shock attenuation is effectual. The cushioning rubber pad not only can play certain buffering shock insulation effect, can also play the effect of bearing, alleviates the damage to buffer spring, long service life. When the bearing platform and the connecting platform are close to each other, the bottom of the connecting column is in contact with the sliding part and slides along the sliding part until the connecting column is positioned on the supporting part, and at the moment, the connecting spring is in a compressed state. The spliced pole can receive the resistance that connecting spring applyed at the sliding part in-process to play buffering shock attenuation's effect. The supporting part can be used for supporting the connecting column, the bearing force of the buffer spring and the buffer rubber pad is reduced, the buffer spring and the buffer rubber pad are well protected, and the service life is prolonged.
Drawings
FIG. 1 is a schematic partial cross-sectional view of an embodiment, mainly used for embodying a bridge structure;
fig. 2 is a schematic sectional view of the embodiment, which is mainly used for embodying the structures of the shock-absorbing buffer mechanism and the damping mechanism.
In the figure, 1, a cover beam; 2. a pier body; 3. a connecting table; 4. a bearing platform; 5. a buffer damping mechanism; 51. sleeving heads; 52. a movable cavity; 53. a support pillar; 54. a cushion rubber pad; 55. a buffer spring; 56. a movable head; 6. a damping mechanism; 61. connecting columns; 62. a roller; 63. a fixing plate; 64. a connecting spring; 65. a damping block; 66. a chute; 67. a sliding part; 68. a limiting part; 69. a support portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a shock-absorbing bridge structure is shown in figures 1 and 2 and comprises a bent cap 1, a pier body 2, a shock-absorbing buffer mechanism 5, a damping mechanism 6, a connecting platform 3 and a bearing platform 4. Pier shaft 2 sets up in bent cap 1 below, connects platform 3 to fix in bent cap 1 bottom, and cushion cap 4 is fixed at pier shaft 2 top, and buffering damper 5 and damping mechanism 6 all are located and connect between platform 3 and the cushion cap 4.
Referring to fig. 1 and 2, the cushion damper mechanism 5 includes a ferrule 51, a support column 53, a cushion rubber pad 54, a cushion spring 55, and a movable head 56. The upper part of the sleeve head 51 is fixed at the bottom of the connecting table 3, a movable cavity 52 for the movable head 56 to slide up and down is arranged in the sleeve head 51, the movable head 56 is accommodated in the movable cavity 52, and the movable cavity 52 is matched with the movable head 56. The cushion rubber pad 54 is located under the sleeve head 51 and fixed on the top of the bearing platform 4, a through hole is formed in the middle of the cushion rubber pad 54, the lower end of the supporting column 53 penetrates through the through hole and is fixed on the bearing platform 4, and the upper end penetrates through the bottom of the sleeve head 51, extends into the movable cavity 52 and is fixed with the middle of the movable head 56. The movable head 56 is cylindrical, and the diameter of the movable head 56 is larger than that of the support column 53. The buffer spring 55 is sleeved on the support column 53, and one end of the buffer spring is fixed on the bearing platform 4, and the other end of the buffer spring is fixed at the bottom of the sleeve head 51.
Referring to fig. 1 and 2, the damping mechanism 6 includes a connection column 61, a fixing plate 63, a connection spring 64, and a damping block 65, and the damping block 65 is a rubber block. The spliced pole 61 is vertical setting, and the upper end is fixed in connecting platform 3 bottom, and the lower extreme rotates and is connected with gyro wheel 62. The fixing plate 63 is fixed on the outer edge of the bearing platform 4, one end of the connecting spring 64 is fixed on the fixing plate 63, and the other end is fixed with the damping block 65. The upper surface of the bearing platform 4 is provided with a sliding groove 66, and the bottom of the damping block 65 is fixed with a bulge which is embedded in the sliding groove 66 and is in sliding fit with the sliding groove. The upper surface of the damping block 65 is provided with a sliding part 67, a supporting part 69 and a limiting part 68 in sequence, and the sliding part 67 is positioned between the fixing plate 63 and the supporting part 69. The sliding part 67 is an arc-shaped surface and gradually reduces in height in the direction away from the fixing plate 63, and the supporting part 69 is a horizontal surface and is used for supporting the roller 62 at the bottom of the connecting column 61. The limiting portions 68 and the sliding portions 67 are respectively located between the supporting portions 69, and the limiting portions 68 are used for limiting the roller 62 to slide out of the damping block 65. When the connection spring 64 is in a natural state, the connection post 61 is located right above the sliding portion 67. The bearing platform 4 is rectangular, the cushion rubber pads 54 are located in the middle of the bearing platform 4, the damping mechanisms 6 are arranged, and the four damping mechanisms 6 are located at four included angles of the bearing platform 4 respectively.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a shock attenuation bridge structures, is in including bent cap (1) and setting pier shaft (2) of bent cap (1) below, characterized by: the pier body is characterized by further comprising a buffering and damping mechanism (5), a connecting platform (3) and a bearing platform (4), wherein the connecting platform (3) is fixed at the bottom of the bent cap (1), the bearing platform (4) is fixed at the top of the pier body (2), and the buffering and damping mechanism (5) is located between the connecting platform (3) and the bearing platform (4);
buffering damper (5) are including pullover (51), support column (53), cushion rubber pad (54), buffer spring (55) and activity head (56), pullover (51) upper portion is fixed connect platform (3) bottom, be provided with in pullover (51) and be used for gliding activity chamber (52) about activity head (56), activity head (56) hold in activity chamber (52), activity chamber (52) with activity head (56) looks adaptation, cushion rubber pad (54) are located pullover (51) below is just fixed cushion cap (4) top, cushion rubber pad (54) middle part has been seted up the perforation, support column (53) lower extreme passes the perforation is fixed on cushion cap (4), and the upper end passes pullover (51) bottom and with activity head (56) are connected, buffer spring (55) cover on support column (53) and one end is fixed cushion cap (4) The other end is fixed at the bottom of the sleeve head (51).
2. The shock absorbing bridge construction of claim 1, wherein: the damping mechanism (6) comprises a connecting column (61), a fixing plate (63), a connecting spring (64) and a damping block (65);
the upper end of the connecting column (61) is fixed at the bottom of the connecting table (3), the fixing plate (63) is fixed at the outer edge of the bearing table (4), one end of the connecting spring (64) is fixed on the fixing plate (63), the other end of the connecting spring is fixed with the damping block (65), a sliding groove (66) is formed in the upper surface of the bearing table (4), a protrusion is fixed at the bottom of the damping block (65), and the protrusion is embedded in the sliding groove (66) and is in sliding fit with the sliding groove;
the upper surface of the damping block (65) is provided with a sliding part (67) and a supporting part (69), the sliding part (67) is positioned between the fixed plate (63) and the supporting part (69), the sliding part (67) is an arc-shaped surface and gradually reduces in height in the direction far away from the fixed plate (63), and the supporting part (69) is a horizontal plane and is used for supporting the connecting column (61);
when the connecting spring (64) is in a natural state, the connecting column (61) is positioned right above the sliding part (67).
3. The shock absorbing bridge construction of claim 2, wherein: the bottom of the connecting column (61) is rotatably connected with a roller (62).
4. A shock absorbing bridge construction according to claim 3, wherein: damping piece (65) upper surface is provided with spacing portion (68), spacing portion (68) with sliding part (67) are located respectively between supporting part (69), spacing portion (68) are used for the restriction gyro wheel (62) roll-off damping piece (65).
5. The shock absorbing bridge construction of claim 4, wherein: the damping block (65) is a rubber block.
6. The shock absorbing bridge construction of claim 2, wherein: the bearing platform (4) is rectangular, the buffer rubber pads (54) are located in the middle of the bearing platform (4), the damping mechanisms (6) are arranged in number, and the four damping mechanisms (6) are located at four included angles of the bearing platform (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034841.2U CN210561685U (en) | 2019-01-09 | 2019-01-09 | Shock attenuation bridge structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034841.2U CN210561685U (en) | 2019-01-09 | 2019-01-09 | Shock attenuation bridge structures |
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| CN210561685U true CN210561685U (en) | 2020-05-19 |
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| CN201920034841.2U Active CN210561685U (en) | 2019-01-09 | 2019-01-09 | Shock attenuation bridge structures |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127268A (en) * | 2020-11-19 | 2020-12-25 | 金伟兵 | Bridge damping device |
| CN112482208A (en) * | 2020-11-20 | 2021-03-12 | 于非 | Bridge foundation telescoping device based on bridge engineering |
| CN114319076A (en) * | 2021-12-31 | 2022-04-12 | 商丘市豫东公路勘察设计有限公司 | Suspension type bridge damping structure |
-
2019
- 2019-01-09 CN CN201920034841.2U patent/CN210561685U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127268A (en) * | 2020-11-19 | 2020-12-25 | 金伟兵 | Bridge damping device |
| CN112127268B (en) * | 2020-11-19 | 2021-06-11 | 苏州科知律信息科技有限公司 | Bridge damping device |
| CN112482208A (en) * | 2020-11-20 | 2021-03-12 | 于非 | Bridge foundation telescoping device based on bridge engineering |
| CN114319076A (en) * | 2021-12-31 | 2022-04-12 | 商丘市豫东公路勘察设计有限公司 | Suspension type bridge damping structure |
| CN114319076B (en) * | 2021-12-31 | 2024-04-16 | 商丘市豫东公路勘察设计有限公司 | Suspension type bridge shock-absorbing structure |
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