CN103791795B - Bridge static loading experiment displacement monitor - Google Patents
Bridge static loading experiment displacement monitor Download PDFInfo
- Publication number
- CN103791795B CN103791795B CN201410061228.1A CN201410061228A CN103791795B CN 103791795 B CN103791795 B CN 103791795B CN 201410061228 A CN201410061228 A CN 201410061228A CN 103791795 B CN103791795 B CN 103791795B
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- Prior art keywords
- drill rod
- support frame
- bridge
- spring
- connection
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of bridge static loading experiment displacement monitor, including support frame, magnetic stand, spring, fixed drill rod, anchor support and dial gauge, support frame connection Bridge Beam bottom, the lower section connecting spring of support frame, the lower section connection anchoring drill rod of spring, anchoring drill rod is connected to anchor support;The measuring head that support frame has the supporting construction of horizontal direction, dial gauge is connected to the supporting construction bottom;Anchoring drill rod top connection magnetic stand, dial gauge is connected to magnetic stand;The prolonging direction of spring is with expansion bolt in same vertical plane.This bridge static loading experiment displacement monitor of the present invention, there is provided install the position of magnetic stand, the device simple installation makes the measurement of Bridge control section amount of deflection fast and not by bridge bottom landform be limited, is easy to promote the use of.
Description
Technical field
The present invention relates to a kind of bridge static loading experiment displacement monitor, belong to Tunnel Engineering technical field.
Background technology
The security that bridge on highway will be used bridge in final acceptance of construction and after the several years of being on active service is evaluated, and is commented
The method that the method for valency is typically with static test.Bridge static loading test generally needs measurement monolithic beam to be controlled under standard load
The amount of deflection at interface processed, the measurement of amount of deflection is needed by dial gauge, below bridge, it is generally difficult to find a fixed magnetic stand
Position.
The content of the invention
The present invention provides a kind of bridge static loading experiment displacement monitor, and the monitoring device is provided installs magnetic stand
Position, the device simple installation makes the measurement of Bridge control section amount of deflection fast and not by bridge bottom landform be limited.
To solve above technical problem, the present invention provides following technical scheme:A kind of bridge static loading test displacement monitoring dress
Put, Bridge Beam bottom centre bottom surface is provided with expansion bolt, the monitoring device line is connected to expansion bolt, it is characterised in that institute
Stating monitoring device includes support frame, magnetic stand, spring, fixed drill rod, anchor support and dial gauge, support frame as described above connecting bridge
Liang Liang bottoms, the lower section connecting spring of support frame, the lower section connection anchoring drill rod of spring, anchoring drill rod is connected to anchor support;Institute
The measuring head that stating support frame has the supporting construction of horizontal direction, dial gauge is connected to the supporting construction bottom;The anchoring steel
Pricker top connection magnetic stand, dial gauge connection magnetic stand;The prolonging direction of the spring is with expansion bolt same vertical
In face.
Further, support frame as described above includes revolving fragment, supporting pieces and supporting wing, and revolving fragment is to be vertically connected with supporting pieces
Structure, the mode of connection is connected to rotate.
Further, the supporting pieces is vertical with supporting wing is connected, and supporting wing is in level.
Further, the bottom surface of the supporting wing is provided with spherical concave surface, and dial gauge measuring head is connected with spherical concave surface.
Further, the anchoring drill rod has vertical portion and horizontal part, and horizontal part is in the side on vertical portion top.
Further, the spring connects anchoring drill rod by steel wire.
Further, the revolving fragment top has connecting hole, and connecting hole is square hole, and screw, screw top are provided with square hole
There is nut in portion, and nut is stuck on revolving fragment, screw upper smooth, and bottom has screw thread, and revolving fragment is rotation with the smooth place of screw
Connection, screw bottom is using threaded connection supporting pieces.
This bridge static loading experiment displacement monitor of the present invention, there is provided install the position of magnetic stand, should
Device simple installation, makes the measurement of Bridge control section amount of deflection fast and not by bridge bottom landform be limited, and is easy to promote the use of.
Brief description of the drawings
Fig. 1 is support frame of the present invention and revolving fragment structure chart;
Fig. 2 is the present invention and bridge connection figure.
Description of reference numerals
1- revolving fragments;2- support frames;21- supporting pieces;22- supporting wings;The spherical concave surfaces of 23-;24- connecting holes;6- springs;
7- anchors drill rod;8- magnetic stands;9- dial gauges;10- anchor supports;11- Bridge Beams bottom;12- expansion bolts;13- steel wires.
Specific embodiment
As shown in Fig. 2 Bridge Beam bottom centre bottom surface is provided with expansion bolt 12, monitoring device line is connected to expansion bolt
12, the monitoring device includes support frame 2, magnetic stand 8, spring 6, fixed drill rod 7, anchor support 10 and dial gauge 9, described
The connection Bridge Beam of support frame 2 bottom, the lower section connecting spring 6 of support frame, the lower section connection anchoring drill rod 7 of spring 6, anchoring drill rod connects
It is connected to anchor support 10;Support frame as described above 2 has the supporting construction of horizontal direction, and support frame 2 includes revolving fragment 1, supporting pieces 21
With supporting wing 22, with supporting pieces 21 to be vertically connected with structure, the mode of connection is connected revolving fragment 1 to rotate.Described support knot
Structure is supporting wing 22.
The prolonging direction of the spring 6 is with expansion bolt 12 in same vertical plane.
Supporting pieces 21 is vertical with supporting wing 22 to be connected, and supporting wing 22 is in level.
The bottom surface of supporting wing 22 is provided with spherical concave surface 23, and the measuring head of dial gauge 9 is connected with spherical concave surface 23.
Anchoring drill rod 7 has vertical portion and horizontal part, and horizontal part is in the side on vertical portion top, and magnetic stand 8 is i.e. solid
Due to the horizontal part, the vertical portion for anchoring drill rod 7 is fixedly connected anchor support 10.When anchoring drill rod is anchored, can be according to bridge
The surface state at beam bottom, when condition is anchored with ground, anchoring drill rod 7 can be anchored directly on the ground, if not possessing
Ground anchors condition, then should fix anchoring drill rod using anchor support 10.
Spring 6 connects anchoring drill rod 7 by steel wire 13.
As shown in figure 1, the top of revolving fragment 1 has connecting hole, connecting hole is square hole, and screw, screw head are provided with square hole
There is nut, nut is stuck on revolving fragment 1, screw upper smooth, bottom has screw thread, revolving fragment 1 is rotation with the smooth place of screw
Connection, screw bottom is using threaded connection supporting pieces 21.
Support frame is geological radar antenna backing device, and the upper end of revolving fragment 1 is provided with connecting hole, the lower end of the supporting pieces 21
Supporting wing 22 and connecting hole are provided with, the top of the supporting wing 22 is provided with spherical concave surface 23, and the revolving fragment 1 and supporting pieces 21 are logical
Cross and be rotatably connected connection.When using, anchoring drill rod 7 is fixed on the lower section of controlling sections, is punched simultaneously at controlling sections beam bottom
Expansion bolt 12 is installed, is then connected the connecting hole 24 of spring 6 and support frame 2, then with the He of 13 connecting spring of shorter steel wire 6
Anchoring drill rod 7, then connects expansion bolt 12 and revolving fragment 1, and spring 6 is in tension state, the elongation of spring with steel wire
Amount should be greater than the amount of deflection of the controlling sections, then install magnetic stand 8 on anchoring drill rod 7, and hundred are installed at spherical concave surface 23
Divide table, then can be carried out being loaded with.
Specific embodiment of the present invention does not constitute the limitation to the application scope, every in present inventive concept
Within spirit and principle, any modification, equivalent and improvement that one of skill in the art can make etc. should be included in
Within protection scope of the present invention.
Claims (4)
1. a kind of bridge static loading experiment displacement monitor, Bridge Beam bottom centre bottom surface is provided with expansion bolt, the monitoring dress
Put line and be connected to expansion bolt, it is characterised in that the monitoring device include support frame, magnetic stand, spring, anchoring drill rod,
Anchor support and dial gauge, support frame as described above connection Bridge Beam bottom, the lower section connecting spring of support frame, the lower section connection anchor of spring
Gu drill rod, anchoring drill rod is connected to anchor support;Support frame as described above has the supporting construction of horizontal direction, the measuring head of dial gauge
It is connected to the supporting construction bottom;The anchoring drill rod top connection magnetic stand, dial gauge connection magnetic stand;The spring
Prolonging direction and expansion bolt in same vertical plane;Support frame as described above includes revolving fragment, supporting pieces and supporting wing, revolving fragment
With supporting pieces to be vertically connected with structure, the mode of connection is connected to rotate;The supporting pieces is vertical with supporting wing to be connected, supporting wing
In level;The bottom surface of the supporting wing is provided with spherical concave surface, and dial gauge measuring head is connected with spherical concave surface.
2. a kind of bridge static loading experiment displacement monitor according to claim 1, it is characterised in that the anchoring drill rod
With vertical portion and horizontal part, horizontal part is in the side on vertical portion top.
3. a kind of bridge static loading experiment displacement monitor according to claim 1, it is characterised in that the spring passes through
Steel wire connection anchoring drill rod.
4. a kind of bridge static loading experiment displacement monitor according to claim 1, it is characterised in that on the revolving fragment
Portion has connecting hole, and connecting hole is square hole, and screw is provided with square hole, and screw head has nut, and nut is stuck on revolving fragment, screw
Upper smooth, bottom has screw thread, and revolving fragment is connected with the smooth place of screw to rotate, and screw bottom is supported using threaded connection
Piece.
Priority Applications (1)
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CN201410061228.1A CN103791795B (en) | 2014-02-24 | 2014-02-24 | Bridge static loading experiment displacement monitor |
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CN201410061228.1A CN103791795B (en) | 2014-02-24 | 2014-02-24 | Bridge static loading experiment displacement monitor |
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CN103791795A CN103791795A (en) | 2014-05-14 |
CN103791795B true CN103791795B (en) | 2017-06-16 |
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Families Citing this family (6)
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CN105423880B (en) * | 2015-11-10 | 2017-11-24 | 长安大学 | A kind of method for hanging main push-towing rope measurement deflection of bridge span |
CN105627896A (en) * | 2016-01-12 | 2016-06-01 | 河北远洲工程咨询有限公司 | Bridge flexibility detection device and detection method |
CN105928447B (en) * | 2016-06-13 | 2019-08-02 | 中冶建筑研究总院有限公司 | A kind of rapid survey deflection of bridge span device |
CN106908207B (en) * | 2017-03-21 | 2019-02-01 | 西南交通大学 | A kind of bridge static loading test deflection measuring apparatus and method |
KR102187875B1 (en) * | 2019-08-14 | 2020-12-07 | 주식회사 홍익기술단 | Deflection Measuring Instruments |
CN111397823B (en) * | 2020-04-28 | 2022-04-01 | 广东众智检验检测有限公司 | Crane static stiffness measuring device and method |
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KR100607470B1 (en) * | 2006-01-25 | 2006-08-02 | (재) 한국건설품질연구원 | Measure apparatus for safety check-up of bridge |
CN2898758Y (en) * | 2006-01-12 | 2007-05-09 | 上海大学 | Engineering-structured displacement-deforming measuring apparatus |
CN201837333U (en) * | 2010-09-17 | 2011-05-18 | 昆明理工大学 | Suspended vertical displacement measuring device |
CN202274855U (en) * | 2011-10-29 | 2012-06-13 | 中铁一局集团有限公司 | Deflection testing system for bridge load test |
CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
CN203704829U (en) * | 2014-02-24 | 2014-07-09 | 甘肃省交通科学研究院有限公司 | Bridge static load experiment displacement monitoring device |
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JP2000171203A (en) * | 1998-12-02 | 2000-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | Deformation measuring instrument for large-size structure |
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Patent Citations (7)
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KR100585336B1 (en) * | 2006-01-02 | 2006-05-30 | (재) 한국건설품질연구원 | Bridge cantilever safe diagnostic equipment |
CN2898758Y (en) * | 2006-01-12 | 2007-05-09 | 上海大学 | Engineering-structured displacement-deforming measuring apparatus |
KR100607470B1 (en) * | 2006-01-25 | 2006-08-02 | (재) 한국건설품질연구원 | Measure apparatus for safety check-up of bridge |
CN201837333U (en) * | 2010-09-17 | 2011-05-18 | 昆明理工大学 | Suspended vertical displacement measuring device |
CN202274855U (en) * | 2011-10-29 | 2012-06-13 | 中铁一局集团有限公司 | Deflection testing system for bridge load test |
CN103090773A (en) * | 2013-01-31 | 2013-05-08 | 西安瑞通路桥科技有限责任公司 | Bridge loading test deflection testing instrument |
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Effective date of registration: 20180427 Address after: 730050 No. 809, Gong Lin Road, Qilihe District, Lanzhou, Gansu. Patentee after: Gansu highway engineering quality testing and Testing Center Co., Ltd. Address before: 730000 No. 17 LAN Gong ping North Street, Qilihe District, Lanzhou, Gansu. Patentee before: Gansu Traffic Science Tesearch Institute Co., Ltd. |
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