CN201648957U - Bridge support adjusting structure - Google Patents
Bridge support adjusting structure Download PDFInfo
- Publication number
- CN201648957U CN201648957U CN2010201786767U CN201020178676U CN201648957U CN 201648957 U CN201648957 U CN 201648957U CN 2010201786767 U CN2010201786767 U CN 2010201786767U CN 201020178676 U CN201020178676 U CN 201020178676U CN 201648957 U CN201648957 U CN 201648957U
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- bearing
- bridge
- support
- type base
- load
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Abstract
A bridge support adjusting structure comprises an upper seat plate, a basin type base, a load-bearing body, a pressure-bearing sealing plate and a peripheral sealing sleeve. The pressure-bearing sealing plate is located in the basin type base and provided with the load-bearing body, the peripheral sealing sleeve is located between the outer periphery of the load-bearing body and an inner side wall of the basin type base, the upper seat plate is located on the upper portion of the load-bearing body, and injectant holes are uniformly distribution at the bottom of the basin type base and communicated with the external via injectant passages. According to heightening requirements of the support, modified liquid polyurethane rubber is injected between the basin type base and the pressure-bearing sealing plate via the injectant holes, thereby realizing stepless heightening of the support. The bridge support adjusting structure resolves problems that height of the existing fixed support can not be adjusted during installation, bridge support cavities are easy to be caused after completing installation and the like, can prolong service life of the support and increase safety factors of the bridge, and has the advantages of simple structure, convenient construction, stable heightening property, real-time monitoring, capacity of realizing multiple times of continuous heightening and the like.
Description
Technical field
The utility model relates to a kind of bridge member, and particularly the high-bearing bridge pad adjustment structure that highly can regulate continuously belongs to bridge and builds technical field.
Background technology
Bridge pad be set up on railway or the highway bridge pier, the device of top supporting bridge superstructure, it is the important structure parts that connect bridge superstructure and substructure, and its effect is that the reaction force of bridge superstructure and distortion (displacement and corner) are passed to bridge substructure reliably.Under load, temperature, concrete shrinkage and deformation effect, bridge pad should be able to adapt to the corner power and the displacement force of superstructure, but makes the superstructure Free Transform and do not produce extra additional internal force.Because the factor affecting such as generation of the distortion of bridge up-down structure, the variation of environment temperature, pier construction error, concrete deformation, bearing discontinuity or the indivedual bearing phenomenon of coming to nothing can appear in common fixed bridge pad, can't constitute supporting reliably to pontic, be difficult to satisfy the design theory requirement, influence the application life of bridge.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of simple in structure, heighten bridge pad adjustment structure easily.
The alleged problem of the utility model is solved by following technical scheme:
A kind of bridge pad adjustment structure, its special feature is: it comprises upper base plate, benzvalene form base, weight body, pressure bearing and seal plate, circumferential sealing cover, described pressure bearing and seal plate is positioned at the benzvalene form base, weight body is set on it, circumferential sealing overlaps between the inside wall of weight body periphery and benzvalene form base, upper base plate is positioned at weight body top, uniform injecting hole, benzvalene form base bottom, injecting aperture injecting runner and external communications; Described pressure bearing and seal plate and benzvalene form base constitute a cavity, are provided with the injecting layer in the cavity.
Above-mentioned bridge pad adjustment structure, described injecting hole are 4-8.
Above-mentioned bridge pad adjustment structure is provided with polytetrafluoroethylene (PTFE) liner plate and sealing ring between described upper base plate and the weight body.
The utility model is subject to extraneous factor influence and can't constitutes reliable support problem to pontic at fixed bridge pad, develops a kind ofly can realize the stepless bridge pad adjustment structure of heightening to bridge.This adjustable type structure comprises upper base plate, benzvalene form base, weight body and pressure bearing and seal plate, along the end basin sidewall of the benzvalene form base injecting hole that evenly distributes, according to heightening requirement modification liquid polyurethane rubber is injected between benzvalene form base and the pressure bearing and seal plate by the injecting hole, modification liquid polyurethane rubber is heightened with its liquid-solid characteristic realization the stepless of bearing.That the utility model has solved existing fixed bearing is highly non-adjustable when installing, install the problem of easily coming to nothing in the back, can improve bearing application life and bridge security coefficient.Have simple in structurely, inject easy construction, advantage such as heighten stable performance, at-once monitor, can realize repeatedly heightening.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is Figure 1A-A sectional view.
Label is expressed as follows in the accompanying drawing: 1. benzvalene form base; 2. injecting runner; 3. injecting layer; 4. pressure bearing and seal plate; 5. circumferential sealing cover; 6. weight body; 7. liner plate; 8. upper base plate; 9. injecting hole; 10. sealing ring.
The specific embodiment
Referring to Fig. 1, Fig. 2, the utility model formation comprises upper base plate 8, benzvalene form base 1, weight body 6, pressure bearing and seal plate 4, circumferential sealing cover 5 and polytetrafluoroethylene (PTFE) liner plate 7.The pressure bearing and seal plate is a rubber tile, it is positioned at the benzvalene form base, weight body 6 is set on it, circumferential sealing cover position is sleeved on the weight body excircle, be used to seal the gap between benzvalene form base inside wall and the weight body excircle, upper base plate is positioned at weight body top, is provided with polytetrafluoroethylene (PTFE) liner plate 7 and sealing ring 10 between upper base plate 8 and the weight body 6.The utility model is in uniform 4-8 injecting hole 9, benzvalene form base bottom, injecting aperture injecting runner 2 and external communications.The set-up mode of injecting hole and injecting runner is easy to the injection phase adjustment on the one hand; After being easy on the other hand inject liquid, liquid evenly is filled to cavity inside in the shortest time.Inject modification liquid polyurethane rubber liquid by injecting hole and injecting runner when the utility model uses, treat that it solidifies the back and forms injecting layer 3, reaches bearing and heightens requirement.
The utility model can carry out following adjustment operation to bearing:
1. bridge height uniformity leveling: by injecting hole and injecting runner, modification liquid polyurethane rubber liquid is made a bet into the benzvalene form base in the effect of annotating press pump, the bearing superstructure is raise, single bearing or some bearings are carried out the height adjusting, make it reach the leveling of height uniformity.
2. bearing stress equalization adjustment: by adjustment structure system and current divider, sensor the bearing of whole bridge is carried out the stress equalization adjustment, make the stressed perfect condition that reaches of all bearings.
3. adjust height of support many times: because modification liquid polyurethane rubber liquid has unique liquid-solid performance, seat structure is provided with a plurality of injectings hole again, can realize repeatedly regulating.
4. stepless adjustment height of support: adopt modification liquid polyurethane rubber packing material to make the bearing elevation process slowly and evenly, the height dimension of bearing can be realized step-less adjustment in scope of design.
5. the stressed mensuration of bearing load: the utility model adopts good seal approach and a plurality of injecting pore structure, can adopt biliquid encapsulating machine to inject liquid object, measure the bearing load is stressed, also can carry out the stressed mensuration of load simultaneously in that bearing is regulated in the height process.
6. holding dynamic load heightens: bearing leveling, dynamometry, to heighten the process constructing operation easy, need not big machinery and other Lifting Equipments, only just can realize the jacking ability that equates with the bearing bearing capacity by small-sized biliquid encapsulating machine.In regulating the height of support work progress, can not influence the bridge floor vehicle pass-through generally speaking.When special circumstances need limit vehicle, also only need 5-10 minute.
7. instant the measurement heightened size: in regulating the height of support process, liquid injectant good fluidity, filling are even, and filling velocity is controlled, make it slowly even.Height measuring device is measured and is controlled regulating height dimension at any time, and disposable adjusting can reach the predetermined altitude value, need not to regulate repeatedly.
Claims (3)
1. bridge pad adjustment structure, it is characterized in that: it comprises upper base plate (8), benzvalene form base (1), weight body (6), pressure bearing and seal plate (4), circumferential sealing cover (5), described pressure bearing and seal plate is positioned at the benzvalene form base, weight body is set on it, circumferential sealing overlaps between the inside wall of weight body periphery and benzvalene form base, upper base plate is positioned at weight body top, uniform injecting hole (9), benzvalene form base bottom, injecting aperture injecting runner (2) and external communications; Described pressure bearing and seal plate and benzvalene form base constitute a cavity, are provided with injecting layer 3 in the cavity.
2. bridge pad adjustment structure according to claim 1 is characterized in that: described injecting hole is 4-8.
3. bridge pad adjustment structure according to claim 1 and 2 is characterized in that: be provided with polytetrafluoroethylene (PTFE) liner plate (7) and sealing ring (10) between described upper base plate (8) and the weight body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201786767U CN201648957U (en) | 2010-04-30 | 2010-04-30 | Bridge support adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201786767U CN201648957U (en) | 2010-04-30 | 2010-04-30 | Bridge support adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648957U true CN201648957U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201786767U Expired - Fee Related CN201648957U (en) | 2010-04-30 | 2010-04-30 | Bridge support adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648957U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410376A (en) * | 2011-07-29 | 2012-04-11 | 株洲时代新材料科技股份有限公司 | Hydraulic sealing method and sealing ring for injection height-adjusting bridge steel support |
| CN105970808A (en) * | 2016-06-24 | 2016-09-28 | 中国十七冶集团有限公司 | Novel bridge multifunctional adjustable pot bearing structure and construction method |
| CN107419656A (en) * | 2017-05-28 | 2017-12-01 | 吴淑霞 | A kind of antidetonation bridge pad |
| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
| CN109972502A (en) * | 2019-03-29 | 2019-07-05 | 齐鲁交通(济南)京沪高速公路有限公司 | Adjustable rubber support and its installation method, adjusting method |
| CN114922058A (en) * | 2022-07-04 | 2022-08-19 | 长沙理工大学 | Hydraulic support capable of achieving secondary accurate height adjustment |
-
2010
- 2010-04-30 CN CN2010201786767U patent/CN201648957U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410376A (en) * | 2011-07-29 | 2012-04-11 | 株洲时代新材料科技股份有限公司 | Hydraulic sealing method and sealing ring for injection height-adjusting bridge steel support |
| CN102410376B (en) * | 2011-07-29 | 2013-12-18 | 株洲时代新材料科技股份有限公司 | Hydraulic sealing method and sealing ring for injection height-adjusting bridge steel support |
| CN105970808A (en) * | 2016-06-24 | 2016-09-28 | 中国十七冶集团有限公司 | Novel bridge multifunctional adjustable pot bearing structure and construction method |
| CN107419656A (en) * | 2017-05-28 | 2017-12-01 | 吴淑霞 | A kind of antidetonation bridge pad |
| CN107447652A (en) * | 2017-08-01 | 2017-12-08 | 中铁二院工程集团有限责任公司 | A kind of ball-shaped height-adjusting support |
| CN109972502A (en) * | 2019-03-29 | 2019-07-05 | 齐鲁交通(济南)京沪高速公路有限公司 | Adjustable rubber support and its installation method, adjusting method |
| CN114922058A (en) * | 2022-07-04 | 2022-08-19 | 长沙理工大学 | Hydraulic support capable of achieving secondary accurate height adjustment |
| CN114922058B (en) * | 2022-07-04 | 2024-01-12 | 长沙理工大学 | Hydraulic support capable of being secondarily and accurately heightened |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20170430 |