CN210013113U - Base structure of road and bridge shock attenuation buffering - Google Patents
Base structure of road and bridge shock attenuation buffering Download PDFInfo
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- CN210013113U CN210013113U CN201920639906.6U CN201920639906U CN210013113U CN 210013113 U CN210013113 U CN 210013113U CN 201920639906 U CN201920639906 U CN 201920639906U CN 210013113 U CN210013113 U CN 210013113U
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Abstract
The utility model provides a base structure for damping and buffering a road bridge, which belongs to the technical field of bridge engineering and comprises a foundation, piers, a support and a damping device, wherein the piers are built at the top of the foundation, the support is built at the top of the piers, a crossbeam is built at the lower end of the piers, fixed blocks are built at the two sides of the bottom of the support, and the damping device is arranged at the two ends of the top of the support, the damping device of the utility model can be more closely and stably connected with the support to form a whole body, better transmit bridge deck load, weaken resonance amplitude phenomenon generated by vehicle running and the bridge, actively isolate vibration, reduce impact vibration and have obvious effect on sound transmission isolation when buffering impact force, reduce noise, greatly weaken dispersed vibration energy, reduce shearing force of upward conduction, reduce earthquake energy input, isolate and consume earthquake energy, the displacement response of the structure is weakened, and the safety of the bridge structure and the accessories of the bridge structure is ensured.
Description
Technical Field
The utility model relates to a bridge engineering technical field specifically is a base construction of road and bridge.
Background
The currently published patent numbers are: a road and bridge base structure of CN201720830276.1 with shock absorption and buffering has the following disadvantages when in use:
although the shock absorption can be carried out, the connection between the buffering and shock absorption device and the bridge support is unstable, so that the performance of transmitting the load of the bridge deck is poor;
when the damping device is used for damping, the damping is carried out singly, and the displacement response of the structure is overlarge, so that the shear force conducted upwards cannot be reduced, and the safety of the bridge structure cannot be guaranteed;
because the above-mentioned problems lead to the poor shock absorption and buffering performance of the road and bridge, further research needs to be carried out on the existing base structure of the road and bridge, and a new base structure for shock absorption and buffering of the road and bridge is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the existing base structure of the road and bridge can absorb shock, but the connection between the buffering and damping device and the bridge support is unstable, so that the load performance of the bridge deck is poor, when absorbing shock, the single damping is carried out, the displacement response of the buffering and damping device structure is too large, so that the safety of the bridge structure can not be ensured, the base structure of the road and bridge shock absorption and buffering is provided, the connection between the buffering and damping device and the support is more compact and stable, the buffering and damping device and the support are integrated, the bridge deck load can be better transmitted, the resonance amplitude phenomenon generated by the vehicle running and the bridge can be weakened, the vibration can be actively isolated when buffering the impact force, the isolation of the shock vibration to the sound transmission can be obviously realized, the noise is reduced, the dispersed shock energy can be greatly weakened, the upwards-conducted shearing force is reduced, and the input of the, the seismic energy is isolated and consumed, the displacement response of the structure is weakened, and the safety of the bridge structure and the accessories of the bridge structure is ensured.
In order to achieve the above object, the utility model provides a following technical scheme: a shock-absorbing and buffering base structure of a road bridge comprises a foundation, piers, supports and shock-absorbing buffering devices, wherein the piers are built at the top of the foundation, the supports are built at the tops of the piers, cross beams are built at the lower ends of the piers, fixing blocks are built at two sides of the bottom of each support, the shock-absorbing buffering devices are arranged at two ends of the top of each support, each shock-absorbing buffering device comprises an abutment, a support cushion stone, a bridge rubber buffer block, a polytetrafluoroethylene plate, a stainless steel plate, a first damping shock absorber, a rubber telescopic sleeve and a second damping shock absorber, the abutment is built at the top of each support, the support cushion stone is built at the top of each abutment, the bridge rubber buffer block is fixedly connected at the top of each support cushion stone through a bolt, the polytetrafluoroethylene plate is fixedly connected at the top of each bridge rubber buffer block through a bolt, and the stainless steel plate is fixedly connected at the top of, the left side and the right side of the top of the abutment are fixedly connected with first damping shock absorbers through bolts, rubber telescopic sleeves are sleeved at the tops of the first damping shock absorbers, and second damping shock absorbers are sleeved at the tops of the rubber telescopic sleeves.
Preferably, the stainless steel plate extends to the outer end of the teflon plate, and the second damping shock absorbers are located at the lower ends of the two sides of the stainless steel plate.
Preferably, the second damping shock absorber is fixedly connected with the first damping shock absorber through a rubber telescopic sleeve, and the rubber telescopic sleeve is a corrugated rubber telescopic sleeve.
Preferably, the stainless steel plate and two sides of the abutment are supported by the second damping shock absorber, the rubber telescopic sleeve and the first damping shock absorber.
Preferably, the top both sides of support are provided with cylindrical recess, and the pier is through building by laying bricks or stones the embedding in the cylindrical recess of support inside.
Preferably, the fixed block is trapezoidal, and the side of the fixed block is built at the upper end of the inner side of the pier.
Preferably, a buffering and damping device is also built in the middle of the top of the cross beam, and the bottoms of the two groups of fixing blocks are tightly attached to the tops of the stainless steel plates of the buffering and damping device.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) this base construction of road and bridge shock attenuation buffering, the top both sides of support are provided with cylindrical recess, and the pier is inside at the cylindrical recess of support through building by laying bricks or stones the embedding, make buffering damping device can and the support between be connected closely more stable, make it form an organic whole, better transmission bridge floor load, when buffering damping device bears the various power that acts on bridge superstructure, and pass it to pier transmission bridge floor load to the support, reduce the impact of load to the bridge foundation, through second damping bumper shock absorber, the rubber expansion sleeve supports the resonance amplitude phenomenon that can go and produce with the bridge weakening from the vehicle, can positive vibration isolation when buffering the impact force, it all has obvious effect to the isolation of transaudient to slow down the impact vibration, can isolate the bridge vibration, reduce the noise.
(2) When pier upwards conducts the shock energy, carry out radial conduction during through the crossbeam, department has also built by laying bricks or stones buffering damping device in the middle of the top of crossbeam, and the bottom of two sets of fixed blocks all hugs closely at buffering damping device's corrosion resistant plate top, when the crossbeam cushions the shock energy, buffering damping device upwards cushions the conduction to the fixed block, the fixed block is to the side and the surplus shock energy of above-mentioned dispersion conduction, to pier and support, the cycle of the extension natural vibration, can weaken the dispersion shock energy greatly, reduce the shear force of upwards conducting, reduce the input of seismic energy, keep apart and consume seismic energy, weaken the displacement response of structure, ensure the safety of bridge construction itself and its annex.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the utility model discloses a buffering damping device concrete connection structure sketch map.
In the figure: 1-a base; 2-bridge pier; 3-support; 4-a cross beam; 5, fixing blocks; 6-a buffer damping device; 7-abutment; 8-support base stone; 9-a bridge rubber buffer block; 10-a polytetrafluoroethylene plate; 11-stainless steel plate; 12-a first damping shock absorber; 13-rubber telescopic sleeves; 14-second damping shock absorber.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example (b):
as shown in FIGS. 1-2;
the embodiment provides a road and bridge damping and buffering base structure, which comprises a foundation 1, piers 2, supports 3 and a damping and buffering device 6, wherein the piers 2 are built at the top of the foundation 1, the supports 3 are built at the top of the piers 2, a cross beam 4 is built at the lower end of the piers 2, fixed blocks 5 are built at two sides of the bottom of the supports 3, the damping and buffering device 6 is arranged at two ends of the top of the supports 3, the damping and buffering device 6 comprises abutments 7, support cushion stones 8, bridge rubber buffer blocks 9, polytetrafluoroethylene plates 10, stainless steel plates 11, first damping shock absorbers 12, rubber telescopic sleeves 13 and second damping shock absorbers 14, abutments 7 are built at the top of the supports 3, the support cushion stones 8 are built at the top of the abutments 7, the top of the support cushion stones 8 is fixedly connected with bridge rubber buffer blocks 9 through bolts, the top of the bridge rubber buffer blocks 9 is fixedly connected with the polytetrafluoroethylene plates 10 through bolts, the top of polytetrafluoroethylene board 10 is through bolt fixedly connected with stainless steel plate 11, and the top left and right sides of pier 7 is through the first damping bumper shock absorber 12 of bolt fixedly connected with, and the flexible cover 13 of rubber has been cup jointed at the top of first damping bumper shock absorber 12, and the second damping bumper shock absorber 14 has been cup jointed at the top of the flexible cover 13 of rubber.
Further, the stainless steel plate 11 extends to the outer end of the teflon plate 10, and the second damping dampers 14 are located at both lower ends of the stainless steel plate 11.
Further, the second damping shock absorber 14 is fixedly connected with the first damping shock absorber 12 through a rubber telescopic sleeve 13, the rubber telescopic sleeve 13 is a corrugated rubber telescopic sleeve 13, and when the buffering shock absorption device 6 bears various forces acting on the upper structure of the bridge, the forces are transmitted to the abutment 7 to transmit bridge deck load to the support 3, so that the impact of the load on the bridge foundation is reduced.
Further, the both sides of stainless steel plate 11 and pier 7 are passed through second damping bumper shock absorber 14, rubber telescopic sleeve 13 supports with first damping bumper shock absorber 12, support through second damping bumper shock absorber 14, rubber telescopic sleeve 13 supports with first damping bumper shock absorber 12 and can be eliminating from the resonance amplitude phenomenon that the vehicle traveles and the bridge produced, can positive vibration isolation when buffering the impact force, it all has obvious effect to the isolation of transaudient to slow down the shock vibration, can isolate the bridge vibration, the noise reduction.
Further, the top both sides of support 3 are provided with cylindrical recess, and pier 7 is through building by laying bricks or stones the embedding inside the cylindrical recess of support 3 for buffering damping device 6 can be inseparabler stable with being connected between support 3, make it form an organic whole, better transmission bridge floor load.
Further, fixed block 5 is trapezoidal form, and the side of fixed block 5 is built by laying bricks or stones the inboard upper end at pier 2, when pier 2 upwards conducts the shake ability, carry out radial conduction through crossbeam 4 during, when crossbeam 4 cushions the shake ability, buffering damping device 6 upwards cushions and conducts to fixed block 5, fixed block 5 is to the side with above-mentioned dispersion conduction surplus shake ability, to pier 2 and support 3, the extension period of shaking certainly, can weaken the dispersion greatly and shake the ability, reduce the shear force that upwards conducts, weaken the displacement response of structure.
Furthermore, a buffering and damping device 6 is also built in the middle of the top of the cross beam 4, and the bottoms of the two groups of fixing blocks 5 are tightly attached to the top of the stainless steel plate 11 of the buffering and damping device 6.
The working principle is as follows:
use the utility model provides a pair of during base construction of road and bridge shock attenuation buffering, keep the bridge grafting on support 3, the bottom and the buffering damping device 6 of bridge are fixed mutually, the top both sides of support 3 are provided with cylindrical groove, and abutment 7 is inside at the cylindrical groove of support 3 through building by laying bricks or stones the embedding, make buffering damping device 6 closely stable more with being connected between the support 3, make it form integratively, better transmission bridge floor load, when buffering damping device 6 bears the various power of acting on bridge superstructure, and pass it to abutment 7 to support 3 transmission bridge floor load, reduce the impact of load to the bridge foundation, second damping bumper shock absorber 14 is passed through to the both sides of corrosion resistant plate 11 and abutment 7, rubber expansion sleeve 13 supports with first damping bumper shock absorber 12, through second damping bumper shock absorber 14, rubber expansion sleeve 13 supports with first damping bumper shock absorber 12 and can be eliminating the resonance that produces from the vehicle travel and bridge Amplitude phenomenon, can positive vibration isolation when buffering the impact force, it all has obvious effect to the isolation of transaudient to slow down the impact vibration, can keep apart the bridge vibration, reduce the noise, when pier 2 upwards conducts the shake ability, carry out radial conduction when through crossbeam 4, department has also built by laying bricks or stones buffering damping device 6 in the middle of the top of crossbeam 4, and the bottom of two sets of fixed blocks 5 all hugs closely at 11 tops of corrosion resistant plate of buffering damping device 6, when crossbeam 4 cushions the shake ability, buffering damping device 6 upwards cushions the conduction to fixed block 5, fixed block 5 is to the side with above-mentioned dispersion conduction surplus shake ability, to pier 2 and support 3, the extension is from shaking the cycle, can weaken the dispersion shake ability greatly, reduce the shear force of upwards conducting, ensure the safety of bridge construction itself and its annex.
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 (7)
1. A road and bridge damping and buffering base structure comprises a foundation (1), piers (2), supports (3) and damping and buffering devices (6), and is characterized in that the piers (2) are built at the top of the foundation (1), the supports (3) are built at the top of the piers (2), a cross beam (4) is built at the lower end of each pier (2), fixing blocks (5) are built on two sides of the bottom of each support (3), the damping and buffering devices (6) are arranged at two ends of the top of each support (3), each damping and buffering device (6) comprises an abutment (7), a support cushion stone (8), a bridge rubber buffer block (9), a polytetrafluoroethylene plate (10), a stainless steel plate (11), a first damping shock absorber (12), a rubber telescopic sleeve (13) and a second damping shock absorber (14), the abutments (7) are built at the top of the supports (3), the top of pier (7) is built by laying bricks or stones with support base stone (8), bolt fixedly connected with bridge rubber buffer block (9) is passed through at the top of support base stone (8), bolt fixedly connected with polytetrafluoroethylene board (10) is passed through at the top of bridge rubber buffer block (9), bolt fixedly connected with corrosion resistant plate (11) is passed through at the top of polytetrafluoroethylene board (10), the first damping bumper shock absorber (12) of bolt fixedly connected with are passed through to the top left and right sides of pier (7), rubber expansion sleeve (13) has been cup jointed at the top of first damping bumper shock absorber (12), second damping bumper shock absorber (14) have been cup jointed at the top of rubber expansion sleeve (13).
2. The shock-absorbing and buffering base structure for road and bridge according to claim 1, characterized in that the stainless steel plate (11) extends to the outer end of the teflon plate (10), and the second damping shock absorbers (14) are located at both lower ends of the stainless steel plate (11).
3. The shock-absorbing and buffering base structure for road and bridge according to claim 1, characterized in that the second damping shock absorber (14) is fixedly connected with the first damping shock absorber (12) through a rubber telescopic sleeve (13), and the rubber telescopic sleeve (13) is a corrugated rubber telescopic sleeve (13).
4. The shock-absorbing and buffering base structure for road and bridge according to claim 1, wherein two sides of the stainless steel plate (11) and the abutment (7) are supported by the second damping shock absorber (14), the rubber telescopic sleeve (13) and the first damping shock absorber (12).
5. The shock-absorbing and buffering base structure for road and bridge according to claim 1, characterized in that cylindrical grooves are arranged on two sides of the top of the support (3), and the abutments (7) are embedded inside the cylindrical grooves of the support (3) by masonry.
6. The shock-absorbing and buffering base structure for roads and bridges according to claim 1, wherein the fixing block (5) has a trapezoidal shape, and the side of the fixing block (5) is laid on the upper end of the inner side of the pier (2).
7. The shock-absorbing and buffering base structure for the roads and bridges as claimed in claim 1, wherein a shock-absorbing device (6) is built in the middle of the top of the cross beam (4), and the bottoms of the two groups of fixed blocks (5) are tightly attached to the tops of the stainless steel plates (11) of the shock-absorbing device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639906.6U CN210013113U (en) | 2019-05-06 | 2019-05-06 | Base structure of road and bridge shock attenuation buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639906.6U CN210013113U (en) | 2019-05-06 | 2019-05-06 | Base structure of road and bridge shock attenuation buffering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013113U true CN210013113U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920639906.6U Active CN210013113U (en) | 2019-05-06 | 2019-05-06 | Base structure of road and bridge shock attenuation buffering |
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| CN (1) | CN210013113U (en) |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 510000 No. 161 Qianjin Road, Guangdong, Guangzhou Patentee after: CCCC-FHDI ENGINEERING Co.,Ltd. Address before: 510230 block 20, Jinxiu peninsula east area, No. 29, Nanpu Huandao West Road, Luopu street, Panyu District, Guangzhou City, Guangdong Province Patentee before: Huang Junxin |