CN212270656U - Public road bridge roof beam shock attenuation buffering support - Google Patents

Public road bridge roof beam shock attenuation buffering support Download PDF

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Publication number
CN212270656U
CN212270656U CN202020430772.XU CN202020430772U CN212270656U CN 212270656 U CN212270656 U CN 212270656U CN 202020430772 U CN202020430772 U CN 202020430772U CN 212270656 U CN212270656 U CN 212270656U
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support
buffer
rubber
block
damping
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CN202020430772.XU
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Chinese (zh)
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帅勇凯
黄俊杰
蔡志远
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帅勇凯
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Abstract

The utility model discloses a shock-absorbing buffer support for a highway bridge, which comprises an upper support, a lower support, a buffer mechanism and a shock-absorbing mechanism, wherein a groove is formed at the bottom of the upper support, the upper end of the buffer mechanism is arranged in the groove, the lower end of the buffer mechanism is fixedly arranged at the top end of the lower support, and the buffer mechanism is fixedly connected with the lower support through a fixing bolt; the damping mechanism is arranged between the upper support and the lower support; the upper end of the buffer mechanism is embedded into the groove at the bottom end of the upper support to form a whole, so that when the buffer mechanism bears various forces acting on the upper part of the bridge, the impact of load on the bridge foundation can be reduced; by arranging the damping mechanism, the resonance amplitude phenomenon generated between the vehicle and the bridge can be weakened, the vibration of the bridge is isolated, and the vibration amplitude is reduced; the utility model discloses simple structure, convenient operation is worth promoting.

Description

Public road bridge roof beam shock attenuation buffering support
Technical Field
The utility model belongs to the technical field of public road bridge roof beam, a road bridge support is related to, concretely relates to public road bridge roof beam shock attenuation buffering support.
Background
The bridge support is an important structural component for connecting an upper structure and a lower structure of a bridge, is erected on a pier, and supports the upper structure of the bridge on the top surface. Its function is to fix the superstructure to the abutment, to withstand the various forces acting on the superstructure and to transmit it reliably to the abutment; under the action of load, temperature, concrete shrinkage and creep, the support can adapt to the corner and displacement of the superstructure, so that the superstructure can be freely deformed without generating additional internal force. However, the public road bridge beam supports of the existing bridge generally adopt steel structures with high strength, the structures of the devices are large, the weight is high, the installation difficulty is high, the devices are not very flexible, the requirements of large bridges are difficult to meet, and the devices are difficult to fully adapt to the free deformation of beam bodies.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a public road bridge roof beam shock attenuation buffering support to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a shock absorption and buffering support for a highway bridge comprises an upper support, a lower support, a buffering mechanism and a shock absorption mechanism, wherein a groove is formed in the bottom of the upper support, the upper end of the buffering mechanism is arranged in the groove, the lower end of the buffering mechanism is fixedly installed at the top end of the lower support, and the buffering mechanism is fixedly connected with the lower support through a fixing bolt; the damping mechanism is arranged between the upper support and the lower support; the damping mechanism is characterized in that connecting blocks are arranged on two sides of the damping mechanism, the bottom of each connecting block is arranged on the lower support, a rubber block is arranged at the top of each connecting block, and the top of each rubber block is connected with the upper support.
Preferably, buffer gear includes rubber pad, bracing piece and fixed block, the rubber pad is fixed in the recess, the inside the inserting of rubber pad bottom has the bracing piece, bracing piece fixed mounting is on the fixed block.
Preferably, the damping mechanism comprises a stainless steel plate, a first damping shock absorber, a second damping shock absorber, a rubber telescopic sleeve, a rubber buffer block and a fixed platform, the fixed platform is fixedly arranged at the top end of the lower support, the first damping shock absorbers are respectively arranged on two sides of the top end of the fixed platform, the rubber telescopic sleeve is arranged at the top end of the first damping shock absorber, the second damping shock absorber is arranged at the top end of the rubber telescopic sleeve, and the first damping shock absorber and the second damping shock absorber are fixedly connected through the rubber telescopic sleeve; the top end of the second damping shock absorber is fixedly connected with the stainless steel plate; a cushion stone is arranged in the middle of the top of the fixed table, the upper end of the cushion stone is provided with the rubber buffer block, and the upper end of the rubber buffer block is provided with a polytetrafluoroethylene plate; the top end of the polytetrafluoroethylene plate is fixedly connected with the stainless steel plate through a bolt.
Preferably, the upper position of the support rod is provided with a buffer limiting block, and the support rod and the buffer limiting block are of an integrated structure.
Preferably, the rubber telescopic sleeve is a corrugated rubber telescopic sleeve.
Preferably, the rubber pad is in an inverted U-shaped form.
Has the advantages that: compared with the prior art, the beneficial effects of the utility model are that: the upper end of the buffer mechanism is embedded into the groove at the bottom end of the upper support to form a whole, so that when the buffer mechanism bears various forces acting on the upper part of the bridge, the impact of load on the bridge foundation can be reduced; through setting up damper, can weaken the resonance amplitude phenomenon that produces between vehicle and the bridge, keep apart the bridge vibrations, reduce vibration amplitude.
Drawings
Fig. 1 is the utility model provides a public road bridge roof beam shock attenuation buffering support's overall structure schematic diagram.
Fig. 2 is the utility model provides a damping mechanism of public road bridge roof beam shock attenuation buffering support.
In the drawings: 1-lower support, 2-upper support, 3-buffer mechanism, 4-shock absorption mechanism, 5-groove, 6-connecting block, 7-rubber block, 8-rubber pad, 9-buffer limiting block, 10-supporting rod, 11-fixing bolt, 12-fixing block, 13-fixing table, 14-stainless steel plate, 15-cushion stone, 16-rubber buffer block, 17-polytetrafluoroethylene plate, 18-first damping shock absorber, 19-second damping shock absorber and 20-rubber telescopic sleeve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to fig. 1-2, in an embodiment of the present invention, a shock absorbing and buffering support for a road and bridge comprises an upper support 2, a lower support 1, a buffering mechanism 3 and a shock absorbing mechanism 4, wherein a groove 5 is formed at the bottom of the upper support 1, the upper end of the buffering mechanism 3 is disposed in the groove 5, the lower end of the buffering mechanism 3 is fixedly mounted at the top end of the lower support 1, and the buffering mechanism 3 is fixedly connected to the lower support 1 through a fixing bolt 11; the damping mechanism 4 is arranged between the upper support 2 and the lower support 1; 4 both sides of damper are provided with connecting block 6, install on lower carriage 1 connecting block 6 bottom, 6 tops of connecting block are provided with block rubber 7, 7 tops of block rubber are connected with upper bracket 2.
Further, the buffer mechanism 3 comprises a rubber pad 8, a support rod 10 and a fixed block 12, the rubber pad 8 is fixed in the groove 5, the support rod 10 is inserted into the bottom end of the rubber pad 8, and the support rod 10 is fixedly installed on the fixed block 12.
Furthermore, the damping mechanism 4 comprises a stainless steel plate 14, a first damping shock absorber 18, a second damping shock absorber 19, a rubber telescopic sleeve 20, a rubber buffer block 16 and a fixed table 13, the fixed table 13 is fixedly arranged at the top end of the lower support 1, the first damping shock absorbers 18 are respectively arranged on two sides of the top end of the fixed table 13, the rubber telescopic sleeve 20 is arranged at the top end of the first damping shock absorber 18, the second damping shock absorbers 19 are arranged at the top end of the rubber telescopic sleeve 20, and the first damping shock absorbers 18 and the second damping shock absorbers 19 are fixedly connected through the rubber telescopic sleeve 20; the top end of the second damping shock absorber 19 is fixedly connected with the stainless steel plate 14; a cushion stone 15 is arranged in the middle of the top of the fixed table 13, the upper end of the cushion stone 15 is provided with the rubber buffer block 16, and the upper end of the rubber buffer block 16 is provided with a polytetrafluoroethylene plate 17; the top end of the polytetrafluoroethylene plate 17 is fixedly connected with the stainless steel plate 14 through bolts.
Further, the upper position of the support rod 10 is provided with a buffer limiting block 9, and the support rod 10 and the buffer limiting block 9 are of an integrated structure.
Further, the rubber bellows 20 is a corrugated rubber bellows.
Further, the rubber pad 8 is in an inverted U shape.
The working principle is as follows:
when the bridge vibrates, the upper end of the buffer limiting block 9 is inserted into the U-shaped rubber pad 8, the rubber pad 8 can enable the upper support 2 to always shake within a reasonable range, and the buffer mechanism 3 can have the homing capacity; meanwhile, when the shock absorption mechanism 4 bears various forces of the upper structure of the bridge and transmits the forces to the lower support 1, the impact of the whole load is reduced, the stainless steel plate 14 and the fixed platform 13 are supported by the first damping shock absorber 18, the rubber telescopic sleeve 20 and the second damping shock absorber 19, and the resonance amplitude phenomenon generated by the running of the vehicle and the bridge can be eliminated by supporting through the first damping shock absorber 18, the rubber telescopic sleeve 20 and the second damping shock absorber 19, so that a good shock absorption effect is achieved; the supporting capacity of the upper support can be enhanced through the connecting block 6 and the rubber block 7, so that the stability is improved;
in the process, the upper end of the buffer mechanism 3 is embedded into the groove at the bottom end of the upper support 2 to form a whole, so that when the buffer mechanism 3 bears various forces acting on the upper part of the bridge, the impact of the load on the bridge foundation can be reduced; by arranging the damping mechanism 4, the resonance amplitude phenomenon generated between the vehicle and the bridge can be weakened, the bridge vibration is isolated, and the vibration amplitude is reduced; the application has the advantages of simple structure, strong practicability and simple operation and is worth popularizing.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. The utility model provides a public road bridge roof beam shock attenuation buffering support, includes upper bracket (2), undersetting (1), buffer gear (3) and damper (4), its characterized in that: a groove (5) is formed in the bottom of the upper support (2), the upper end of the buffer mechanism (3) is arranged in the groove (5), the lower end of the buffer mechanism (3) is fixedly installed at the top end of the lower support (1), and the buffer mechanism (3) is fixedly connected with the lower support (1) through a fixing bolt (11); the damping mechanism (4) is arranged between the upper support (2) and the lower support (1); damping mechanism (4) both sides are provided with connecting block (6), install on undersetting (1) connecting block (6) bottom, connecting block (6) top is provided with rubber block (7), rubber block (7) top is connected with upper bracket (2).
2. The road and bridge shock absorption and buffering support saddle according to claim 1, wherein: buffer gear (3) include rubber pad (8), bracing piece (10) and fixed block (12), rubber pad (8) are fixed in recess (5), rubber pad (8) bottom is inside to be inserted bracing piece (10), bracing piece (10) fixed mounting is on fixed block (12).
3. The road and bridge shock absorption and buffering support saddle according to claim 1, wherein: the damping mechanism (4) comprises a stainless steel plate (14), a first damping shock absorber (18), a second damping shock absorber (19), a rubber telescopic sleeve (20), a rubber buffer block (16) and a fixed table (13), the fixed table (13) is fixedly arranged at the top end of the lower support (1), the first damping shock absorber (18) is respectively arranged on two sides of the top end of the fixed table (13), the rubber telescopic sleeve (20) is arranged at the top end of the first damping shock absorber (18), the second damping shock absorber (19) is arranged at the top end of the rubber telescopic sleeve (20), and the first damping shock absorber (18) and the second damping shock absorber (19) are fixedly connected through the rubber telescopic sleeve (20); the top end of the second damping shock absorber (19) is fixedly connected with the stainless steel plate (14); a cushion stone (15) is arranged in the middle of the top of the fixed table (13), the upper end of the cushion stone (15) is provided with the rubber buffer block (16), and the upper end of the rubber buffer block (16) is provided with a polytetrafluoroethylene plate (17); the top end of the polytetrafluoroethylene plate (17) is fixedly connected with the stainless steel plate (14) through bolts.
4. The road and bridge shock absorption and buffering support saddle according to claim 2, wherein: the support rod (10) is provided with a buffer stop block (9) close to the upper position, and the support rod (10) and the buffer stop block (9) are of an integrated structure.
5. The road and bridge shock absorption and buffering support saddle according to claim 3, wherein: the rubber telescopic sleeve (20) is a corrugated rubber telescopic sleeve.
6. The road and bridge shock absorption and buffering support saddle according to claim 2, wherein: the rubber pad (8) is in an inverted U shape.
CN202020430772.XU 2020-03-30 2020-03-30 Public road bridge roof beam shock attenuation buffering support Active CN212270656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020430772.XU CN212270656U (en) 2020-03-30 2020-03-30 Public road bridge roof beam shock attenuation buffering support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020430772.XU CN212270656U (en) 2020-03-30 2020-03-30 Public road bridge roof beam shock attenuation buffering support

Publications (1)

Publication Number Publication Date
CN212270656U true CN212270656U (en) 2021-01-01

Family

ID=73885021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020430772.XU Active CN212270656U (en) 2020-03-30 2020-03-30 Public road bridge roof beam shock attenuation buffering support

Country Status (1)

Country Link
CN (1) CN212270656U (en)

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