CN202969262U - Stress-measuring type bridge support with height adjustable - Google Patents
Stress-measuring type bridge support with height adjustable Download PDFInfo
- Publication number
- CN202969262U CN202969262U CN 201220739608 CN201220739608U CN202969262U CN 202969262 U CN202969262 U CN 202969262U CN 201220739608 CN201220739608 CN 201220739608 CN 201220739608 U CN201220739608 U CN 201220739608U CN 202969262 U CN202969262 U CN 202969262U
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- Prior art keywords
- support plate
- plate
- expansion agent
- lower support
- groove
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- Expired - Fee Related
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 abstract description 8
- 230000000246 remedial effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
一种高度可调的测力式桥梁支座，它涉及一种测力式桥梁支座。本实用新型为了解决现有的支座存在无法将其自身的受力情况反馈出来，以及出现支座脱空现象时无法及时采取补救措施的问题。本实用新型的上支座板扣装在下支座板内，上支座板的凹槽与下支座板的凹槽之间形成腔室，橡胶板设置在上支座板和下支座板之间的腔室内，梁底预埋钢板固装在上支座板上，密封圈套装在橡胶板上，下支座板的侧壁外部沿其长度方向设有多个与所述腔室连通的膨胀剂注入孔，通过膨胀剂注入孔向所述腔室内注入膨胀剂，膨胀剂在腔室内的橡胶板下端形成膨胀层，橡胶板沿其宽度方向开有光纤传感器放置孔，光纤应力传感器穿设在光纤传感器放置孔内。本实用新型适用于桥梁建筑。
A height-adjustable force-measuring bridge bearing relates to a force-measuring bridge bearing. The utility model aims to solve the problems that the existing support cannot feed back its own stress situation and cannot take remedial measures in time when the support is empty. The upper support plate of the utility model is buckled in the lower support plate, a cavity is formed between the groove of the upper support plate and the groove of the lower support plate, and the rubber plate is arranged on the upper support plate and the lower support plate In the chamber between them, the pre-embedded steel plate at the bottom of the beam is fixed on the upper support plate, the sealing ring is set on the rubber plate, and the outside of the side wall of the lower support plate is provided with a plurality of valves along its length to communicate with the chamber. The expansion agent injection hole is used to inject the expansion agent into the chamber through the expansion agent injection hole. The expansion agent forms an expansion layer at the lower end of the rubber plate in the chamber. The rubber plate has a fiber sensor placement hole along its width direction. Set in the placement hole of the fiber optic sensor. The utility model is suitable for bridge construction.
Description
Technical field
The utility model relates to a kind of force-measuring type bridge pad, is specifically related to a kind of adjustable for height force-measuring type bridge pad, belongs to the bridge technical field of auxiliary facilities.
Background technology
Bridge pad is the important feature parts that connect bridge superstructure and substructure, and it can pass to bridge substructure reliably with counter-force and the distortion of bridge superstructure.Therefore the stressing conditions of bearing can be good at reflecting the stressing conditions of structure and the bearing phenomenon of coming to nothing whether occurs.Existing bearing exists and the stressing conditions of himself can't be fed back, and the problem that can't in time adopt remedial measures when bearing comes to nothing phenomenon occurs.
The utility model content
The purpose of this utility model is to exist and the stressing conditions of himself can't be fed back in order to solve existing bearing, and the problem that can't in time adopt remedial measures when bearing comes to nothing phenomenon occurs, and then a kind of adjustable for height force-measuring type bridge pad is provided.
the technical solution of the utility model is: a kind of adjustable for height force-measuring type bridge pad comprises the upper bracket plate, lower support plate, pre-embedded steel slab at the bottom of rubber tile and beam, upper bracket plate and lower support plate are the rectangle support plate, rubber tile is the rectangular rubber plate, the middle part, lower surface of described upper bracket plate and the middle part, upper surface of lower support plate are provided with groove, the foot of described groove is along vertically being provided with stopper slot, upper bracket plate spiral-lock is in lower support plate, the lower end of upper bracket plate is stuck in the stopper slot of lower support plate, form chamber between the groove of upper bracket plate and the groove of lower support plate, rubber tile is arranged in described chamber between upper bracket plate and lower support plate, at the bottom of beam, pre-embedded steel slab is packed on the upper bracket plate, described force-measuring type bridge pad also comprises sealing ring and optical fiber stress sensor, ring set is on rubber tile, leave the gap between the groove inside wall of the lateral wall of sealing ring and upper bracket plate, the sidewall outside of lower support plate is provided with along its length direction the expansion agent injection hole that a plurality of and described chamber is communicated with, inject expansion agent by the expansion agent injection hole in described chamber, the rubber tile lower end formation expanding layer of expansion agent in described chamber, rubber tile has the Fibre Optical Sensor putting hole along its width, optical fiber stress sensor is located in the Fibre Optical Sensor putting hole.
The utility model compared with prior art has following effect:
1. the utility model is provided with optical fiber stress sensor, the variation of strain gauge is changed the variation that transfers Bearing Seat Force to, can obtain the stressing conditions in bearing pressure-bearing process, and data can be passed through the data converter synchronous feedback to the monitoring personnel, thereby realize force measuring function.
2. the utility model is provided with the expansion agent injection hole in the sidewall outside of lower support plate, when bearing being detected by optical fiber stress sensor and come to nothing, expansion agent is injected in chamber by the expansion agent injection hole, and by controlling the injection rate of expansion agent, realize the adjusting of height of support, expansion agent is realized raising of bearing after solidifying.
3. the utility model good integrity, easily preserve, and is simple in structure, manufactures easily, with low cost.
Description of drawings
Fig. 1 is half sectional view of the present utility model; Fig. 2 is that Fig. 1 is at the profile at B-B place; Fig. 3 is that Fig. 1 is at the profile at A-A place.
The specific embodiment
the specific embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 3, a kind of adjustable for height force-measuring type bridge pad of present embodiment comprises upper bracket plate 1, lower support plate 2, at the bottom of rubber tile 3 and beam, pre-embedded steel slab 4, upper bracket plate 1 and lower support plate 2 are the rectangle support plate, rubber tile 3 is the rectangular rubber plate, the middle part, lower surface of described upper bracket plate 1 and the middle part, upper surface of lower support plate 2 are provided with groove 11, the foot of described groove 11 is along vertically being provided with stopper slot 12, upper bracket plate 1 spiral-lock is in lower support plate 2, the lower end of upper bracket plate 1 is stuck in the stopper slot 12 of lower support plate 2, form chamber between the groove 11 of upper bracket plate 1 and the groove 11 of lower support plate 2, rubber tile 3 is arranged in described chamber between upper bracket plate 1 and lower support plate 2, at the bottom of beam, pre-embedded steel slab 4 is packed on upper bracket plate 1, described force-measuring type bridge pad also comprises sealing ring 6 and optical fiber stress sensor 10, sealing ring 6 is sleeved on rubber tile 3, leave the gap between groove 11 inside walls of the lateral wall of sealing ring 6 and upper bracket plate 1, the sidewall outside of lower support plate 2 is provided with along its length direction the expansion agent injection hole 7 that a plurality of and described chamber is communicated with, inject expansion agent by expansion agent injection hole 7 in described chamber, the rubber tile 3 lower ends formation expanding layer 5 of expansion agent in described chamber, rubber tile 3 has Fibre Optical Sensor putting hole 8 along its width, optical fiber stress sensor 10 is located in Fibre Optical Sensor putting hole 8.
After utilizing outsourcing protection fiber to encapsulate bare optical fibers and bare optical gratings, the optical fiber stress sensor 10 of present embodiment directly is embedded in the inside of structure as strain transducer; the wave length shift that utilizes fiber grating is the principle of strained impact directly; record the variation of structural strain, thereby reflect the variation of its internal force.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1-Fig. 3, the force-measuring type bridge pad of present embodiment also comprises a plurality of bolts 9, lower support plate 2 is packed in the bridge bottom by a plurality of bolts 9, and at the bottom of upper bracket plate 1 and beam, pre-embedded steel slab 4 is packed in bridge top by a plurality of bolts 9.So arrange, easy to connect, be convenient to dismounting and maintenance.Other composition and annexation are identical with the specific embodiment one.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739608 CN202969262U (en) | 2012-12-28 | 2012-12-28 | Stress-measuring type bridge support with height adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739608 CN202969262U (en) | 2012-12-28 | 2012-12-28 | Stress-measuring type bridge support with height adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202969262U true CN202969262U (en) | 2013-06-05 |
Family
ID=48510356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739608 Expired - Fee Related CN202969262U (en) | 2012-12-28 | 2012-12-28 | Stress-measuring type bridge support with height adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202969262U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625168A (en) * | 2016-03-15 | 2016-06-01 | 衡水中交信德工程橡塑有限公司 | Pot type rubber bearing for measuring force and adjusting height |
| CN108002280A (en) * | 2017-12-19 | 2018-05-08 | 武汉扬吉科技有限公司 | One kind expansion jacking or thrustor, method and application thereof |
| CN108951406A (en) * | 2018-08-22 | 2018-12-07 | 广东省长大公路工程有限公司 | A kind of height adjustable force measuring support |
| CN110904829A (en) * | 2019-11-18 | 2020-03-24 | 北京市政建设集团有限责任公司 | Construction method of anti-overturning adjustable support of bridge |
| CN111006796A (en) * | 2019-11-12 | 2020-04-14 | 福建省永正工程质量检测有限公司 | Sensor for bridge support of Internet of things |
-
2012
- 2012-12-28 CN CN 201220739608 patent/CN202969262U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625168A (en) * | 2016-03-15 | 2016-06-01 | 衡水中交信德工程橡塑有限公司 | Pot type rubber bearing for measuring force and adjusting height |
| CN108002280A (en) * | 2017-12-19 | 2018-05-08 | 武汉扬吉科技有限公司 | One kind expansion jacking or thrustor, method and application thereof |
| CN108002280B (en) * | 2017-12-19 | 2023-12-15 | 武汉扬吉科技有限公司 | Expansion jacking or pushing device, method and application thereof |
| CN108951406A (en) * | 2018-08-22 | 2018-12-07 | 广东省长大公路工程有限公司 | A kind of height adjustable force measuring support |
| CN111006796A (en) * | 2019-11-12 | 2020-04-14 | 福建省永正工程质量检测有限公司 | Sensor for bridge support of Internet of things |
| CN110904829A (en) * | 2019-11-18 | 2020-03-24 | 北京市政建设集团有限责任公司 | Construction method of anti-overturning adjustable support of bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131228 |