CN108951406A - A kind of height adjustable force measuring support - Google Patents
A kind of height adjustable force measuring support Download PDFInfo
- Publication number
- CN108951406A CN108951406A CN201810961636.0A CN201810961636A CN108951406A CN 108951406 A CN108951406 A CN 108951406A CN 201810961636 A CN201810961636 A CN 201810961636A CN 108951406 A CN108951406 A CN 108951406A
- Authority
- CN
- China
- Prior art keywords
- plate
- slide
- pedestal
- height adjustable
- force measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/048—Bearings being adjustable once installed; Bearings used in incremental launching
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of height adjustable force measuring support, including top plate, pedestal, slide and filling backing plate, the upper surface of the pedestal, which is recessed inwardly, is formed with cavity, the lower part of the slide is arranged in the cavity, the top of the slide stretches out the upper surface of the pedestal and connects the top plate, the filling backing plate is installed on the lower section that the slide is placed in the cavity, the filling backing plate is equipped with for injecting the fill pipe filled fluent material and adjust the slide height, the lateral surface of the pedestal is provided with quick coupling, the quick coupling is connected to the fill pipe.The design structure is simple, economical and practical, realizes stepless height-regulating and reaches the uniform function of pressure-bearing.
Description
Technical field
The present invention relates to bridge structure technical field, specially a kind of bridge height adjustable force measuring support.
Background technique
Bridge pad is the important feature component for connecting bridge superstructure and substructure, it can be by bridge superstructure
Counter-force and deformation (displacement and corner) reliably pass to bridge substructure.Spherical bearing bearing capacity is big, and displacement is big, corner
Flexibly and respectively consistent to rotating property, temperature applicable range is wide；So spherical bearing is widely used in all kinds of Highway Municipal iron
In road and bridge beam.
But traditional spherical bearing does not have force measuring function, can not detect the force-bearing situation of support in use, read
Take the vertical bearing capacity of support, can not be accurate the internal force distribution situation in each section of solution structure, can not be theoretical to Bridge Design
The verifying of the rationality of reliability and design method, brings big inconvenience to the maintenance and structure monitoring of support.Work as ball-type
When support occurs abnormal during operation, be unable to visual inspection to support force-bearing situation, to can not judge bridge top
The operation state of structure is unfavorable for monitoring and assessing the health status of bridge structure in time.In addition, when due on soft soil foundation
Pile foundation differential settlement, the micro-deformation that various precast beams and continuous structure generate after tensioning, girder construction supporting pad
" three legs " phenomenon that the factors such as the construction error that stone absolute altitude is difficult to avoid that cause bridge pad pressure-bearing unevenly even to occur, will
The stress that bridge upper and lower part structure can be changed brings hidden danger to the safety of structure.In addition, traditional spherical bearing is not
Have stepless height regulating function, stepless height-regulating can not be carried out to the bridge height difference generated during construction height error and use, realized
Each Bearing Seat Force is adjusted.
Therefore, the force-bearing situation for understanding bridge pad in time can be turned up in time when generation support unloading is come to nothing, to avoid
Vehicle pass a bridge when there is three-point support, this be avoid bridge occur catastrophic failure an economy and also effective solution do
Method.
Summary of the invention
The shortcomings that in order to overcome the prior art to refer to, the present invention provide a kind of structurally simple, economical practical height adjustable force measuring
Support, realizing accurate, continuous, effective can monitor spherical bearing vertical bearing capacity and can realize that stepless height-regulating reaches pressure-bearing
Uniform function.
The present invention solves the used technical solution of its technical problem are as follows: a kind of height adjustable force measuring support, including top plate, pedestal,
Slide and filling backing plate, the upper surface of the pedestal, which is recessed inwardly, is formed with cavity, and the lower part of the slide is sheathed on the sky
Intracavitary, the top of the slide stretches out the upper surface of the pedestal and connects the top plate, and the filling backing plate is installed on described
The lower section of the slide is placed in cavity, the filling backing plate is equipped with for injecting filling fluent material and adjusts the cunning
The fill pipe of seat height degree, the lateral surface of the pedestal are provided with quick coupling, and the quick coupling is connected to the fill pipe,
The outlet setting of fill pipe is filled fluent material and is led to below the slide in the filling backing plate upper surface；It is described fast
Quick coupling is connect for being attached with external height-adjusting system pipeline, by the quick coupling with outside filling height-adjusting system, benefit
The sealing cavity formed with support internal component, the switch through control valve fill two-part liquid packing material into cavity,
After the solidification of packing material natural vulcanization, the stepless height-regulating of support is realized.
It further include having dynamometry elastomer, the dynamometry elastomer is mounted on the bottom of the cavity, the filling backing plate
Lower surface fits in the upper surface of the dynamometry elastomer, and dynamometry elastomer is that one kind has approximate stream under certain process stage
The property feature of body and the solids elastomeric material of volume invariability, when the compression by superstructure, dynamometry elasticity
Body can unchangeably transmit compression size to all directions；The side of the pedestal is equipped with fiber grating force-measuring sensing
The side of device, the measurement end of the fiber grating sensor of measuring force and the dynamometry elastomer is in close contact；Wherein, the dynamometry
Sealing lock ring circle is additionally provided between elastomer and the medial surface of the pedestal, the sealing lock ring circle seals dynamometry elastomer solid
It is scheduled in the bottom enclosure space of base cavity pocket.
Invention additionally discloses a kind of support dynamometric systems, including above-mentioned height adjustable force measuring support (FBG) demodulator and processor/calculating
Machine believes the compression variation output pressure wavelength of fiber grating sensor of measuring force perception dynamometry elastomer by using signal wire
It number is transported on (FBG) demodulator, (FBG) demodulator is after to wavelength signals analysis processing through wireless network or cable-network transmission to handling
Intuitively show support actual loading after device/computer disposal and compared with support normal use load, when occurring abnormal into
Row alarm, is at a distance monitored support load with realizing.
It further include having sealing plate, the sealing plate connects the bottom end of the slide, and contact surface each other is closely sealed, described
The sealing cooperation of the cavity inner wall of sealing plate and pedestal, is equipped with sealing ring between the sealing plate and the cavity inner wall of pedestal, described
Sealing plate outer is provided with the annular groove for inlaying the sealing ring, and the method dress of heat cure or cold bonding can be used in the sealing ring
In the annular groove for fitting over sealing plate outer.
The lower surface of the top plate is connected with the spherical crown liner plate of convex spherical shape, and the upper surface of the slide is equipped with described in cooperation
The concave spherical surface of spherical crown liner plate, the top plate and the slide form spherical pair by the spherical crown liner plate and connect, and support can be to
All directions are freely rotated；The slide is equipped with one layer of spherical surface wear-resistant slide plate, the spherical surface wear-resistant slide plate at the concave spherical surface
It is resistance to for polytetrafluoroethylene (PTFE) slide plate or modified Teflon slide plate or ultrahigh molecular weight polyethylene abrasion-proof slide plate, the spherical surface
Wear smooth plate is fastened by way of binder bonding mode attachment screw or anchor is embedded in spherical crown steel slide or slide concave spherical surface
In groove, the binder be it is insoluble and heat cured, the concave spherical surface surface of the spherical crown liner plate can be used cladding it is stainless
Steel plate or plating hard chrome processing, enhance its smoothness and wearability.
Plane wear-resistant slide plate is additionally provided between the top plate and the spherical crown liner plate, the plane wear-resistant slide plate inlays setting
In the groove of the upper surface of the spherical crown liner plate, the bottom surface of the top plate and the surface of the plane wear-resistant slide plate are mutually adjacent to,
It is secondary to form planar slide friction, meets the needs of displacement when beam body is expanded with heat and contract with cold；The bottom surface of the top plate can be also equipped with and institute
The mirror face stainless steel slide plate for stating the cooperation of plane wear-resistant slide plate, enhances its smoothness and wearability.
The beneficial effects of the present invention are:
1, height adjustable force measuring seat structure of the present invention is compact, and design rationally, can detect support by dynamometric system
Vertical bearing capacity can realize support stepless height-regulating, dynamometry and height-regulating side to packing material is added inside support by filing provision
Method is easy to be reliable.
2, using fiber grating sensor of measuring force, the vertical bearing capacity of support is detected by lightwave signal variation, is not required to
Power supply is provided, strong antijamming capability, adaptability is good, there is good endurance quality, and the accuracy of detection and reliable can be improved
Property, operating condition it is adaptable, artificial detection or automatic detection may be implemented.
3, support and fiber grating sensor of measuring force are relatively independent, easy for installation, convenient for the maintenance and replacement in later period.
4, by network technology that multiple supports networking of structure is integrated, it can be achieved that in real time to multiple using optical fiber technology
The centralized detecting of Bearing Seat Force and automatic monitoring.
5, support outer is provided with general quick coupling, quickly can quickly connect and disassembly, utilization with height-regulating filling pipeline
Support internal component, which forms seal cavity, can realize the stepless of support without jack up girder by internally injecting packing material
It is turned up, simplifies height-regulating process, convenient construction.
Detailed description of the invention
Fig. 1 is structure division cut-away illustration of the invention.
Specific embodiment
The present invention is further detailed with reference to the accompanying drawing.
As shown in Figure 1, a kind of height adjustable force measuring support, including top plate 1, planar lasting board 2, spherical crown liner plate 3, spherical surface wearing plate
4, slide 5, pedestal 6, sealing plate 7, filling backing plate 8, fill pipe 9, sealing lock ring circle 10, fiber grating sensor of measuring force 11,
Dynamometry elastomer 12 and quick coupling 13.
1 bottom surface of top plate is welded with mirror face stainless steel slide plate, and top plate 1 and plane wear-resistant slide plate 2 form planar slide friction pair,
Plane wear-resistant slide plate 2 is fastened by way of binder bonding mode and screw or anchor to be embedded in the groove of spherical crown liner plate 3, ball
Cladding stainless steel plate or plating hard chrome processing can be used in the convex ball surface of hat liner plate 3, forms spherical surface sliding with spherical surface wearing plate 4 and rubs
Pair is wiped, spherical surface wearing plate 4 is fastened by way of binder bonding mode and screw or anchor to be embedded in the groove of slide 5, institute
Stating spherical surface wear-resistant slide plate 4 is polytetrafluoroethylene (PTFE) slide plate or modified Teflon slide plate or ultrahigh molecular weight polyethylene abrasion-proof
Slide plate；5 bottom cylindrical column surface of slide and 6 upper surface of pedestal the cavity inner wall small―gap suture to be formed that is recessed inwardly cooperate, the cunning
The lower part of seat 5 is arranged in the cavity, and the top of the slide 5 stretches out the upper surface of the pedestal 6 and connects the top plate
1,5 bottom of slide is provided with sealing plate 7, and the contact surface between slide 5 and sealing plate 7 is closely sealed, and sealing plate 7 and pedestal 6 are empty
Cavity wall sealing cooperation, 7 lower part of block member are provided with filling backing plate 8, fill the cavity inner wall of backing plate 8 outer circle and pedestal 6
Small―gap suture cooperation, 8 inside of filling backing plate and upper surface offer the intercommunication that height of support is adjusted for injecting filling fluent material
Fill pipe 9, be provided with quick coupling 13 at the side of pedestal 6 and filling 8 height center of backing plate, quick coupling 13 and branch
Fill pipe 9 on the internal filling backing plate 8 of seat is connected, and filling 8 upper surface of backing plate is bonded with 7 lower surface of block member, fills out
It fills 8 lower part of backing plate and is provided with dynamometry elastomer 12,12 outer rim of dynamometry elastomer is provided with sealing lock ring circle 10, and lock ring circle 10 will be surveyed
Power elastomer 12 is sealed in 6 cavity bottom enclosure space of pedestal, in 6 cavity side of pedestal and 12 height center of dynamometry elastomer
Place is provided with the internal screw thread cooperated with fiber grating sensor of measuring force 11, and fiber grating sensor of measuring force 11 is connected through a screw thread peace
On preformed hole on the outside of 6 cavity of pedestal, the optical fiber diaphragm (measurement end) and dynamometry bullet of 11 end of fiber grating sensor of measuring force
Property 12 lateral surface of body be in close contact.
The height adjustable force measuring support of the design there is conventional spherical bearing bearing capacity, displacement or limit, turn etc. flexibly etc. all
Function, wherein 1 bottom surface of top plate is welded with mirror face stainless steel plate and planar lasting board 2 forms planar slide friction pair, and spherical crown steel is sliding
The convex ball surface and spherical surface wearing plate 4 of seat 3 form spherical surface sliding friction pair, play the role of the horizontal sliding and corner of support, protect
Card girder construction expands with heat and contract with cold the rotation of normal slip and beam body.Dynamometry elastomer 12 can realize the carrying of support, utilize dynamometry
Isotropism when pressure-bearing in closed cavity of elastomer 12, internal each section pressure is uniform, and normal pressure and dynamometry elastomer 12 are right
The essentially identical feature of 6 basin ring lateral pressure of pedestal, 11 end of fiber grating sensor of measuring force of 12 lateral surface of dynamometry elastomer setting
Head optical fiber diaphragm induction 12 compression of dynamometry elastomer variation output pressure wavelength signals are transported on (FBG) demodulator, and (FBG) demodulator passes through
The practical lotus of support is intuitively shown after wireless network or cable-network transmission to computer disposal after handling wavelength signals analysis
It carries and is compared with support normal use load, alarmed when occurring abnormal, support load is carried out at a distance with realizing
Monitoring.Can reflect bridge structure construction quality, and can be accurate the internal force distribution situation in each section of solution structure, to Bridge Design
The rationality verifying of theoretical reliability and design.
Quick coupling 13 is provided in 6 cavity side of pedestal to be passed through with 9 phase of fill pipe inside support on filling backing plate 8
Below block member 7, block member 7 and the sealing of 6 cavity inner wall of pedestal cooperate, and support internal component forms seal chamber
High pressure is turned up filing provision by pressure duct and is connected with quick coupling 13 by body, will be turned up in packing material injection support
Portion's component is formed in seal cavity.It is turned up below packing material injection block member 7, block member 7 fills out injection
Material is filled to be sealed, after packing material fills out the confined space for being gradually filled with and being formed by 7 pedestal of block member, 6 cavity, filling
The compression of material is gradually increased, when the compression of packing material is greater than the compression that superstructure applies block member 7
When, the pressure difference that 7 upper and lower surface of block member generates up jacks block member 7 and its above structure, and position is past
Upper variation, height of support change, and 5 bottom cylindrical column surface of slide and 6 cavity inner wall small―gap suture of pedestal cooperate, to sealing plate
Component 7 and its above structure play piston ascending motion guiding role, with the increasing of the packing material amount inside injection support
Add, support uniformly slowly increases, and packing material can be flow backwards within time rating, after a certain period of time packing material sulphurite
Chemical conversion is solid, and the whole of support can be guaranteed after adjusting with the comparable mechanical property of pot bearing rubber slab, height of support by having
Body performance.The height-regulating amount of support can be designed according to actual requirement of engineering, and fill pipe can be one or one or more, make to prop up
Repeatedly adjustment can be achieved in seat height degree.When needing to be turned up, by increasing the height of support to packing material is filled inside support,
The stepless heightening of support can be realized without big machinery or other top beam equipment, to realize support mounting height error or bridge
Foundation uneven settlement generates the adjustment of height difference during use, meanwhile, it can also be according to dynamometric system to support during height-regulating
The measurement of load stress is at any time adjusted the height of support, realizes and readjusts to Bearing Seat Force situation.
Bridge is equal to using height adjustable force measuring support and has self health check system once being born, when since setting up just
It carves and is in self-monitoring state.The uneasinesses such as differential settlement whether occur during, operation uneven with the presence or absence of counter-force after erection
Total factor will be found and can be adjusted by the height to support to be corrected by timely, so that it is guaranteed that at the bridge moment
In good working order.
As described above, only presently preferred embodiments of the present invention, when cannot be limited the scope of implementation of the present invention with this,
All still belong to this hair according to simple equivalent changes and modifications made by scope of the present invention patent and invention description content generally
In the range of bright patent covers.
Claims (9)
1. a kind of height adjustable force measuring support, which is characterized in that including top plate, pedestal, slide and filling backing plate, the upper table of the pedestal
Inward-facing recess formation is free chamber, and the lower part of the slide is arranged in the cavity, and the bottom is stretched out at the top of the slide
The upper surface of seat simultaneously connects the top plate, and the filling backing plate is installed on the lower section that the slide is placed in the cavity, institute
It states filling backing plate and adjusts the fill pipe of the slide height equipped with being used to inject filling fluent material, outside the pedestal
Side is provided with quick coupling, and the quick coupling is connected to the fill pipe.
2. a kind of height adjustable force measuring support according to claim 1, which is characterized in that it further include having dynamometry elastomer, it is described
Dynamometry elastomer is mounted on the bottom of the cavity, and the lower surface of the filling backing plate fits in the upper table of the dynamometry elastomer
Face, the side of the pedestal are equipped with fiber grating sensor of measuring force, the measurement end of the fiber grating sensor of measuring force and institute
The side for stating dynamometry elastomer is in close contact.
3. a kind of height adjustable force measuring support according to claim 2, which is characterized in that the dynamometry elastomer and the pedestal
Medial surface between be additionally provided with sealing lock ring circle, dynamometry elastomer sealing is fixed on the bottom of base cavity pocket by the sealing lock ring circle
In portion's enclosure space.
4. a kind of height adjustable force measuring support according to claim 1 or 2, which is characterized in that it further include having sealing plate, it is described close
Sealing plate connects the bottom end of the slide, and sealing ring is equipped between the sealing plate and the cavity inner wall of pedestal.
5. a kind of height adjustable force measuring support according to claim 4, which is characterized in that the sealing plate outer, which is provided with, inlays
The annular groove of the sealing ring.
6. a kind of height adjustable force measuring support according to claim 1, which is characterized in that the lower surface of the top plate is connected with ball
It is preced with liner plate, the upper surface of the slide is equipped with the concave spherical surface for cooperating the spherical crown liner plate, and the top plate and the slide pass through institute
It states spherical crown liner plate and forms spherical pair connection.
7. a kind of height adjustable force measuring support according to claim 6, which is characterized in that the slide is set at the concave spherical surface
There is spherical surface wear-resistant slide plate, the spherical surface wear-resistant slide plate is polytetrafluoroethylene (PTFE) slide plate or modified Teflon slide plate or superelevation
Molecular weight polyethylene wear-resistant slide plate.
8. a kind of height adjustable force measuring support according to claim 6, which is characterized in that the top plate and the spherical crown liner plate it
Between be additionally provided with plane wear-resistant slide plate, the plane wear-resistant slide plate is embedded in the upper surface of the spherical crown liner plate, the bottom of the top plate
Face and the surface of the plane wear-resistant slide plate are mutually adjacent to, and it is secondary to form planar slide friction.
9. a kind of support dynamometric system, including a kind of height adjustable force measuring support, (FBG) demodulator and processing according to claim 2
Device believes the compression variation output pressure wavelength of fiber grating sensor of measuring force perception dynamometry elastomer by using signal wire
It number is transported on (FBG) demodulator, (FBG) demodulator is after to wavelength signals analysis processing through wireless network or cable-network transmission to handling
Support actual loading is intuitively shown after device processing and is compared with support normal use load, is alarmed when occurring abnormal,
Support load is monitored at a distance with realizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961636.0A CN108951406A (en) | 2018-08-22 | 2018-08-22 | A kind of height adjustable force measuring support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961636.0A CN108951406A (en) | 2018-08-22 | 2018-08-22 | A kind of height adjustable force measuring support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108951406A true CN108951406A (en) | 2018-12-07 |
Family
ID=64473593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961636.0A Pending CN108951406A (en) | 2018-08-22 | 2018-08-22 | A kind of height adjustable force measuring support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108951406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283350A (en) * | 2020-09-25 | 2021-01-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Modularized sealing system |
-
2018
- 2018-08-22 CN CN201810961636.0A patent/CN108951406A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283350A (en) * | 2020-09-25 | 2021-01-29 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Modularized sealing system |
| CN112283350B (en) * | 2020-09-25 | 2023-01-13 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Modularized sealing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8371075B2 (en) | Sliding pendulum bearing | |
| CN108342978A (en) | A kind of dynamometry spherical bearing of band detection monitoring system | |
| CN108677700B (en) | A kind of large-tonnage is classified continuous dynamometry force adjustment support and clustered control system | |
| CN109252443A (en) | A kind of multi-functional pot bearing and installation and the method for carrying out dynamometry height-regulating | |
| CN104294756A (en) | Multi-direction force measuring ball type steel support | |
| CN109440636B (en) | Ball-shaped steel support for measuring force of sensor replaceability | |
| CN108951406A (en) | A kind of height adjustable force measuring support | |
| CN213038184U (en) | Stepless height-adjusting bridge support with intelligent force measurement function | |
| CN110847026A (en) | Large-stroke adjustable support | |
| CN209066259U (en) | A kind of height adjustable force measuring support | |
| CN106978781B (en) | Dynamometry ball-shaped height-adjusting support | |
| US7007563B2 (en) | Monitor to check the path of motion of reciprocating piston | |
| CN111593654A (en) | Force measurement heightening system based on multipoint stress balance and intelligent adjusting method | |
| JPS639133B2 (en) | ||
| CN209353217U (en) | A kind of multi-functional pot bearing | |
| CN111827100A (en) | Intelligent support with height adjusting function | |
| WO2019106640A1 (en) | Test machine for characterizing artificially frozen soil | |
| US2868570A (en) | Low-friction load-transmitting flexible joint | |
| CN204185764U (en) | A kind of multidirectional dynamometry ball shaped steel bearing | |
| NO142973B (en) | POWER GOALS FOR ANCHORES IN BUILDING CONSTRUCTIONS | |
| CN107907261B (en) | Dual-bellows vertical force detection device and detection method for bridge support | |
| CN106522083B (en) | A kind of wind-resistant spherical support | |
| CN207714119U (en) | Combined intelligent ball-type Dynamometric support system | |
| CN210122693U (en) | Force-measuring basin type rotating center support | |
| CN108049307B (en) | Combined intelligent spherical force measuring support system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |