CN222251732U - Bridge beam supports shock-absorbing structure - Google Patents
Bridge beam supports shock-absorbing structure Download PDFInfo
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- CN222251732U CN222251732U CN202421069702.0U CN202421069702U CN222251732U CN 222251732 U CN222251732 U CN 222251732U CN 202421069702 U CN202421069702 U CN 202421069702U CN 222251732 U CN222251732 U CN 222251732U
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- support
- shock
- shock absorption
- bridge
- piston
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- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000035939 shock Effects 0.000 claims description 41
- 238000010521 absorption reaction Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 description 23
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
本实用新型公开了一种桥梁支座减震结构，涉及桥梁支座技术领域，包括支座底座，支座底座的上方设置有主体支座，主体支座顶部开设有多个安装槽孔，安装槽孔内固定有连接杆，设置有减震件置于在主体支座的安装槽孔内；减震件包括外壳、活塞、活塞杆和压缩减震介质，连接杆的顶部与活塞杆相固定，压缩减震介质填充于减震件的活塞部分，减震件的侧方设置有液压阻尼器，减震件的活塞部分通过密封装置与液压阻尼器的活塞杆相连，活塞杆通过液压封头与液压阻尼器的活塞相连，形成一个封闭的液压腔，主体支座的上方设置有上连接座；有效减少地震等外部振动对桥梁结构的影响，提高了桥梁的安全性和稳定性。
The utility model discloses a bridge bearing shock-absorbing structure, which relates to the technical field of bridge bearings and comprises a bearing base, a main body bearing is arranged above the bearing base, a plurality of mounting slots are opened on the top of the main body bearing, connecting rods are fixed in the mounting slots, and shock-absorbing parts are arranged and placed in the mounting slots of the main body bearing; the shock-absorbing part comprises an outer shell, a piston, a piston rod and a compressed shock-absorbing medium, the top of the connecting rod is fixed to the piston rod, the compressed shock-absorbing medium is filled in the piston part of the shock-absorbing part, a hydraulic damper is arranged on the side of the shock-absorbing part, the piston part of the shock-absorbing part is connected to the piston rod of the hydraulic damper through a sealing device, the piston rod is connected to the piston of the hydraulic damper through a hydraulic head, so as to form a closed hydraulic cavity, and an upper connecting seat is arranged above the main body bearing; the influence of external vibrations such as earthquakes on the bridge structure is effectively reduced, and the safety and stability of the bridge are improved.
Description
Technical Field
The utility model relates to the technical field of bridge supports, in particular to a bridge support damping structure.
Background
In bridge construction engineering, bridge supports are key components for connecting bridge piers and bridge girder bodies. The traditional bridge support structure generally adopts materials such as steel, concrete and the like, and mainly has the functions of supporting bridge loads and transmitting the loads to the bridge piers.
Traditional bridge beam supports structure adopts single shock attenuation mode more, can't satisfy the shock attenuation demand under the changeable shock environment of complicacy, leads to the shock attenuation effect not good, under the external vibration effect such as earthquake, has the potential safety hazard such as unstable, easy impaired, can't effectively guarantee the security of bridge.
Disclosure of utility model
In order to solve the problems, the utility model provides a bridge support shock absorption structure which comprises a support base, wherein a main support is arranged above the support base, a plurality of mounting slots are formed in the top of the main support, connecting rods are fixed in the mounting slots, shock absorption pieces are arranged in the mounting slots of the main support, each shock absorption piece comprises a shell, a piston rod and a compressed shock absorption medium, the top of each connecting rod is fixed with the piston rod, the compressed shock absorption medium is filled in the piston part of each shock absorption piece, a hydraulic damper is arranged on the side of each shock absorption piece, the piston part of each shock absorption piece is connected with the piston rod of the corresponding hydraulic damper through a sealing device, the piston rod is connected with the piston of the corresponding hydraulic damper through a hydraulic seal head to form a closed hydraulic cavity, an upper connecting seat is arranged above the main support, the bottom of the upper connecting seat is contacted with the top of each shock absorption piece, a positioning frame plate is fixed at the bottom of the upper connecting seat, and a slot for plugging a positioning frame plate is arranged at the top of the main support.
Further, a support moving part is arranged between the main body support and the support base, the support moving part comprises a wheel rail fixed at the bottom of the main body support, the top of the support base is fixed with a guide rail, and the wheel rail is provided with a grinding-resistant wheel which is contacted with the top of the guide rail.
Further, guide plates are fixed at the tops of the support bases on two sides of the wheel rail, a plurality of adjusting holes are formed in the guide plates, and adjusting laths can penetrate through the adjusting holes to block the moving path of the wheel rail.
Further, the connecting rod is a telescopic rod with adjustable length so as to adjust the position and working state of the shock absorbing member.
Further, the compressed damping medium is a filler composed of a porous rubber material.
The utility model has the following beneficial effects:
1. The bridge structure has better structural stability and shock resistance, can effectively reduce the influence of external vibration such as earthquake on the bridge structure, and improves the safety and stability of the bridge.
2. The connecting rod with adjustable length is used for connecting the damping piece, so that the position and the working state of the damping piece can be flexibly adjusted, and the damping piece is suitable for different damping requirements and working environments.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
The reference numerals are as follows, 1, a main body support, 2, a shock absorbing piece, 3, a hydraulic damper, 4, a connecting rod, 5, a mounting slot hole, 6, an upper connecting seat, 7, a positioning frame plate, 81, a wheel rail, 82, a guide rail, 83, a wear-resistant wheel, 9, an adjusting slat, 10, a support base, 11 and a guide plate.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model is further described below with reference to the accompanying drawings:
A bridge support shock absorption structure is shown in fig. 1, and comprises a support base 10, wherein a main support 1 is arranged above the support base 10, a plurality of mounting slots 5 are formed in the top of the main support 1, connecting rods 4 are fixed in the mounting slots 5, shock absorption pieces 2 are arranged in the mounting slots 5 of the main support 1, each shock absorption piece 2 comprises a shell, a piston rod and a compressed shock absorption medium, the top of each connecting rod 4 is fixed with the piston rod, the compressed shock absorption medium is filled in the piston part of the shock absorption piece 2, the compressed shock absorption medium is a filler made of porous rubber materials, the connecting rods 4 are telescopic rods with adjustable lengths so as to adjust the position and the working state of the shock absorption pieces 2, hydraulic dampers 3 are arranged on the sides of the shock absorption pieces 2, the piston parts of the shock absorption pieces 2 are connected with the piston rods of the hydraulic dampers 3 through sealing devices, the piston rods are connected with the pistons of the hydraulic dampers 3 through hydraulic sealing heads to form a closed hydraulic cavity, an upper connecting seat 6 is arranged above the main support 1, the bottom of the upper connecting seat 6 is contacted with the top of the shock absorption pieces 2, a positioning plate 7 is fixed at the bottom of the upper connecting seat 6, and a positioning plate 7 is provided with a plug-in a plug socket for positioning plate 7.
In this embodiment, as shown in fig. 1, a support moving member is disposed between a main body support 1 and a support base 10, the support moving member includes a wheel rail 81 fixed at the bottom of the main body support 1, a guide rail 82 is fixed at the top of the support base 10, a grinding wheel 83 is mounted on the wheel rail 81, the grinding wheel 83 contacts with the top of the guide rail 82, guide plates 11 are fixed at both sides of the wheel rail 81 at the top of the support base 10, a plurality of adjusting holes are formed in the guide plates 11, and an adjusting slat 9 is disposed to block the moving path of the wheel rail 81 through the adjusting holes.
The working principle of the utility model is as follows:
The compression damping medium in the damping part 2 is made of porous rubber materials, is directly connected with the piston part of the damping part 2 and is tightly connected with the piston part through threads, pins or other fixing devices, can be compressed or released along with the movement of the piston, has good damping performance, and can absorb and dissipate vibration energy under the action of external vibration such as earthquake and the like, so that the influence of the earthquake on a bridge structure is reduced.
The damping device is characterized in that a hydraulic damper 3 is arranged on the side of the damping piece 2, a piston rod is connected with a piston of the hydraulic damper 3 to form a closed hydraulic cavity, an adjustable damping hole or valve is formed in the hydraulic damper 3, the resistance of hydraulic fluid passing through the damper can be changed by adjusting the valves, so that the damping coefficient of the damper is adjusted, when the hydraulic fluid passes through the damper, the resistance of the fluid can generate damping force, so that the movement speed and the vibration absorption capacity of the damper are influenced, liquid can flow through a buffering area of the damper, damping is adjusted, and a damping adjusting device controls the damping coefficient of a damping medium of the piston rod to meet the damping requirements under different vibration intensities and frequencies. By adjusting the damping force of the hydraulic or pneumatic damper, precise control of the damping characteristics of the shock absorber can be achieved. Under the vibration actions of earthquakes and the like, the hydraulic damper 3 can damp and attenuate the vibration through damping force, and further reduces the influence of the earthquakes on the bridge structure.
A support moving member is provided between the main body support 1 and the support base 10, and includes a wheel rail 81 and a guide rail 82, and a grinding wheel 83 is mounted on the wheel rail 81. Under the vibration actions of earthquakes and the like, when the bridge is subjected to vibration actions in the horizontal direction, the wear-resistant wheels 83 on the wheel rails 81 slide up and down along the guide rails 82, so that the main support 1 can move freely on the guide rails 82, the movement of the main support 1 is limited by the guide rails 82 and the guide plates 11, the stable movement of the main support 1 in a certain range is ensured, the bridge displacement caused by the earthquakes is effectively reduced, and the stability and the safety of the bridge structure are improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (5)
1. A bridge support shock absorption structure comprises a support base (10), a main support (1) is arranged above the support base (10), and is characterized in that a plurality of mounting slots (5) are formed in the top of the main support (1), connecting rods (4) are fixedly arranged in the mounting slots (5) of the main support (1), shock absorption pieces (2) are arranged in the mounting slots (5) of the main support (1), the shock absorption pieces (2) comprise shells, pistons, piston rods and compressed shock absorption media, the top of the connecting rods (4) is fixed with the piston rods, the compressed shock absorption media are filled in piston parts of the shock absorption pieces (2), hydraulic dampers (3) are arranged on the sides of the shock absorption pieces (2), the piston parts of the shock absorption pieces (2) are connected with piston rods of the hydraulic dampers (3) through sealing devices, the piston rods are connected with pistons of the hydraulic dampers (3) through hydraulic sealing heads to form a closed hydraulic cavity, upper connecting seats (6) are arranged above the main support (1), the bottoms of the upper connecting seats (6) are in contact with the tops of the shock absorption pieces (2), positioning plates (7) are fixed at the bottoms of the upper connecting seats (6), and the tops of the frame supports (7) are provided with positioning plates (7).
2. The bridge beam support shock-absorbing structure of claim 1, wherein a support moving part is arranged between the main body support (1) and the support base (10), the support moving part comprises a wheel rail (81) fixed at the bottom of the main body support (1), a guide rail (82) is fixed at the top of the support base (10), a wear-resistant wheel (83) is mounted on the wheel rail (81), and the wear-resistant wheel (83) is in contact with the top of the guide rail (82).
3. The bridge support shock-absorbing structure of claim 2, wherein guide plates (11) are fixed on the top of the support base (10) at two sides of the wheel rail (81), a plurality of adjusting holes are formed in the guide plates (11), and adjusting laths (9) are arranged to be capable of plugging the moving path of the wheel rail (81) through the adjusting holes.
4. A bridge beam support shock absorbing structure according to claim 1, wherein the connecting rod (4) is a telescopic rod with adjustable length so as to adjust the position and working state of the shock absorbing member (2).
5. The bridge beam support shock absorbing structure of claim 1 wherein the compressed shock absorbing medium is a filler comprised of a porous rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421069702.0U CN222251732U (en) | 2024-05-16 | 2024-05-16 | Bridge beam supports shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421069702.0U CN222251732U (en) | 2024-05-16 | 2024-05-16 | Bridge beam supports shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222251732U true CN222251732U (en) | 2024-12-27 |
Family
ID=94011494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421069702.0U Active CN222251732U (en) | 2024-05-16 | 2024-05-16 | Bridge beam supports shock-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222251732U (en) |
-
2024
- 2024-05-16 CN CN202421069702.0U patent/CN222251732U/en active Active
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