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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- China
- Prior art keywords
- support plate
- plate
- lower support
- upper bracket
- measuring type
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- Expired - Fee Related
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Abstract
The utility model discloses a stress-measuring type bridge support with height adjustable. The stress-measuring type bridge support with the height adjustable solves the problems that stress conditions of an existing support can not be fed back and remedial measures can not be adopted in time when the support is tilted. According to the stress-measuring type bridge support with the height adjustable, an upper support plate is installed in a lower support plate in an inserted mode, a chamber is formed by a groove in the upper support plate and a groove in the lower support plate, a rubber plate is arranged in the chamber between the upper support plate and the lower support plate, a beam bottom pre-buried steel plate is fixedly installed on the upper support plate, a sealing ring is sleeved on the rubber plate, a plurality of expanding agent injection holes communicated with the chamber are formed in the outer side of the lateral wall of the lower support plate along the length direction, expanding agents are injected into the chamber through the expanding agent injection holes, an expanding layer is formed by the expanding agents and at the lower end of the rubber plate in the chamber, an fiber optic sensor placing hole is formed in the rubber plate along the width direction, and an optical fiber stress sensor is arranged in the fiber optic sensor placing hole in a penetrating mode. The stress-measuring type bridge support with the height adjustable is applicable to 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)
1. adjustable for height force-measuring type bridge pad, it comprises upper bracket plate (1), lower support plate (2), pre-embedded steel slab (4) at the bottom of rubber tile (3) and beam, 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), pre-embedded steel slab at the bottom of beam (4) is packed on upper bracket plate (1), it is characterized in that: 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 wall 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, rubber tile (3) the lower end 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).
2. a kind of adjustable for height force-measuring type bridge pad according to claim 1, it is characterized in that: described force-measuring type bridge pad 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).
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 (4)
| 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 |
| 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 (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 |
| 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 |
| 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 |