CN205246041U - Three -dimensional joint measurement device of displacement sensor parallel placement - Google Patents
Three -dimensional joint measurement device of displacement sensor parallel placement Download PDFInfo
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- CN205246041U CN205246041U CN201521004533.3U CN201521004533U CN205246041U CN 205246041 U CN205246041 U CN 205246041U CN 201521004533 U CN201521004533 U CN 201521004533U CN 205246041 U CN205246041 U CN 205246041U
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Abstract
The utility model provides a three -dimensional joint measurement device of displacement sensor parallel placement, includes sensor mount, three displacement sensor, surveys seat, three contact surface. The side -mounting of sensor mount has first fixed plate, three displacement sensor passes through the staple bolt parallel to be fixed on the sensor mount, three displacement sensor's one end and first fixed plate are connected, the side -mounting of surveying the seat has the second fixed plate, three contact surface sets up side by side on surveying the seat, three contact surface vertically one side is connected with the second fixed plate. The utility model discloses simple structure, measurement accuracy is high, and is with low costs, and adaptability is high, can be used to measure structure construction joint, movement joint, crack etc. Is applicable to to measure the structure in the work progress or under the long -term user state, one -way, the two -way and three -dimensional relative displacement of structural joint both sides.
Description
Technical field
The utility model relates to engineering survey field, particularly the triaxial joint meter of the parallel placement of a kind of displacement transducer.
Background technology
In the design and construction process of reinforced concrete structure, can structurally be provided with movement joint and construction joint, and in structureIn use procedure, can produce unavoidably again crack. The deformation behaviour in these gaps, is the important sign of reaction structure stress,Also be the important indicator of evaluation structure health status. These structure gaps of monitor, for design and construction and the later stage of structureMaintenance has very important meaning.
In prior art, patent documentation CN2107634U discloses a kind of for measuring the three-dimensional of geology rock mass crack displacement distortionCrack gauge, this utility model is by being connected with three orthogonal displacement transducers, displacement transducer on one side of joint measurementOne end is connected on the assembling bucket that is fixed on joint measurement another side in addition, the relative displacement of measuring thus measuring point both sides; Patent documentationCN2594763Y discloses the Three-direction gap detector that a kind of three directions are independent of each other, by the pedestal and three directions that are fixed on toe boardDisplacement meter form, for the three direction displacement of Measurement of Dam seam; Patent documentation CN204085407U discloses a kind of restriction and has surveyedThe triaxial joint meter of the amount free degree, the gusset and the micrometer that are bent by multistage form, and have limited the free degree of measuring, and have guaranteedThe uniqueness of result. But in above-mentioned technology, the displacement of the outer direction of measurement plane will upwards arrange a displacement the partySensor, this characteristic cannot be dwindled the volume of three direction displacement sensor. Have relatively high expectations to passing through at tunnel, bridge etc.In monitoring of environmental, excessive thickness has greatly reduced the applicability of sensor.
Utility model content
The purpose of this utility model is in order to solve the deficiencies in the prior art, provides the three-dimensional of the parallel placement of a kind of displacement transducer to surveySeam device, simple in structure, can be arranged on easily tunnel and bridge surface that road ability is had relatively high expectations.
The purpose of this utility model is achieved through the following technical solutions:
A triaxial joint meter for the parallel placement of displacement transducer, comprise fixing rack for sensor, three displacement transducers, survey seat,Three contact-making surfaces.
In the side of described fixing rack for sensor, the first fixed head is installed, described three displacement transducers are parallel fixing by anchor earOn fixing rack for sensor, one end of described three displacement transducers is connected with the first fixed head, and the other end is all provided with measuring staff,Ball stud is installed on measuring staff.
In the described side of surveying seat, the second fixed head is installed, described three contact-making surfaces are arranged side by side to be surveyed on seat, and described three connectTouching the vertical side of face is connected with the second fixed head.
The triaxial joint meter of the above-mentioned parallel placement of a kind of displacement transducer, wherein, on described fixing rack for sensor and survey seatBe provided with bolt hole, and on fixing rack for sensor and survey seat, screw rod be installed by bolt hole.
The triaxial joint meter of the above-mentioned parallel placement of a kind of displacement transducer, wherein, described displacement transducer employing resistance-type,The displacement transducer of type vibration wire, differential type, capacitance-grid type or laser type.
The triaxial joint meter of the above-mentioned parallel placement of a kind of displacement transducer, wherein, described three contact-making surfaces divide with a survey seat planeBe not positive 45 °, 90 ° and 45 ° of sides angle.
Owing to adopting technique scheme, the utlity model has following advantage and good effect:
The utility model is simple in structure, and certainty of measurement is high, and cost is low, can be suitable for the displacement transducer of dissimilar principle, canBe used for measuring structure construction seam, movement joint, crack etc., be applicable to measure structure in work progress or for a long time under use state,Unidirectional, the two-way and three-dimensional relative displacement of structural joint both sides; By once converting, make three displacement transducers can be abreastPlace and measure, thereby the volume of device is reduced greatly, can greatly improve the applicability for different environments for use.
Brief description of the drawings
Fig. 1 is the structural representation of the triaxial joint meter of the parallel placement of a kind of displacement transducer of the utility model;
Fig. 2 is the top view of the triaxial joint meter of the parallel placement of a kind of displacement transducer of the utility model;
Fig. 3 is the side view of the triaxial joint meter of the parallel placement of a kind of displacement transducer of the utility model;
Fig. 4 is the implementation result figure of the triaxial joint meter of the parallel placement of a kind of displacement transducer of the utility model.
Reference numeral:
1 fixing rack for sensor;
2 displacement transducers;
3 measuring staffs;
4 ball studs;
5 survey seat;
6 contact-making surfaces;
7 screw rods;
8 anchor ears;
9 first fixed heads;
10 second fixed heads.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Refer to Fig. 1, Fig. 2, Fig. 3, the triaxial joint meter of the parallel placement of a kind of displacement transducer of the utility model, comprises biographySensor fixed mount 1, three displacement transducers 2, survey seat 5, three contact-making surfaces 6. At described fixing rack for sensor 1 and survey seat 5On be provided with bolt hole, and by bolt hole at fixing rack for sensor 1 with survey on seat 5 screw rod 7 is installed.
The first fixed head 9 is installed in the side of fixing rack for sensor 1, and fixing rack for sensor 1 is provided with three cover anchor ears 8, for2, three displacement transducers 2 of fixed displacement sensor are set in parallel on fixing rack for sensor 1, one of three displacement transducers 2End is connected with the first fixed head 9, and the other end is all provided with measuring staff 3.
10, three contact-making surfaces 6 of the second fixed head are installed in the side of surveying seat 5 and are arranged side by side on survey seat 5, three contact-making surfaces6 vertical sides are connected with the second fixed head 10.
Displacement transducer 2 can adopt the displacement transducer of resistance-type, type vibration wire, differential type, capacitance-grid type or laser type, at measuring staff 3Top is provided with ball stud 4, and ball stud 4 withstands on contact-making surface 6 centers, and the measuring staff 3 of displacement transducer 2 is in observation processRemain outwardly directed trend, so that joint measurement is occurring after cyclic deformation, contact-making surface 6 is still close on side lever 3 tops.
Three contact-making surfaces 6 have respectively different inclination angles, are respectively positive 45 °, 90 ° and 45 ° of sides angle with a survey seat plane,The utility model is adopted and is measured with the following method the relative displacement of structural joint three-dimensional:
The utility model install before, first in structure both sides taking movement joint as line of reference, parallel placement fixing rack for sensor 1 HeSurvey seat 5, and use drill bit to beat bolt hole in the both sides of joint measurement. To survey seat 5 and the screw rod 7 inserting bolt holes of surveying seat 5, then will passScrew rod 7 inserting bolt holes on sensor fixed mount 1 and fixing rack for sensor 1, finely tune fixing. Displacement transducer 2 is putEnter anchor ear 8 fixing, the measuring staff 3 of displacement transducer 2 is stretched out, withstand on respectively on three contact-making surfaces 6, and start to detect.
Refer to Fig. 4, establishing the measurement variable quantity that withstands on the displacement transducer on positive 45 ° of inclined contact surfaces is a, withstands on vertically and connectsThe measurement variable quantity of the displacement transducer on the face of touching is b, and the displacement sensor withstanding on the inclined contact surface of 45 ° of sides changesAmount is c; The practical distortion amount in three directions on joint measurement both sides is x, y, z. Thus, can obtain above-mentioned variable and parameterEquation group:
Solve this equation group, can obtain the three-dimensional relative displacement expression formula on joint measurement both sides:
Owing to adopting technique scheme, the utlity model has following advantage and good effect:
The utility model is simple in structure, and certainty of measurement is high, and cost is low, can be suitable for the displacement transducer of dissimilar principle, canBe used for measuring structure construction seam, movement joint, crack etc., be applicable to measure structure in work progress or for a long time under use state,Unidirectional, the two-way and three-dimensional relative displacement of structural joint both sides; By once converting, make three displacement transducers can be abreastPlace and measure, thereby the volume of device is reduced greatly, can greatly improve the applicability for different environments for use.
Above-described embodiment is only for illustrating technological thought and the feature of this patent, and its object is to make the technology in this areaPersonnel can understand the content of this patent and implement according to this, can not only limit the scope of the claims of this patent with the present embodiment, allEqual variation or modification that the spirit disclosing according to this patent is done, still drop in the scope of the claims of this patent.
Claims (4)
1. a triaxial joint meter for the parallel placement of displacement transducer, is characterized in that, comprises fixing rack for sensor (1), three positionsDisplacement sensor (2), survey seat (5), three contact-making surfaces (6);
In the side of described fixing rack for sensor (1), the first fixed head (9) is installed, described three displacement transducers (2) are logicalCross the parallel fixing rack for sensor (1) that is fixed on of anchor ear (8) and go up, one end of described three displacement transducers (2) and first is fixedPlate (9) connects, and the other end is all provided with measuring staff (3), and ball stud (4) is installed on measuring staff (3);
In the described side of surveying seat (5), the second fixed head (10) is installed, described three contact-making surfaces (6) are arranged side by side is surveying seat(5) upper, the side that described three contact-making surfaces (6) are vertical is connected with the second fixed head (10).
2. the triaxial joint meter of the parallel placement of a kind of displacement transducer according to claim 1, is characterized in that, in described biographySensor fixed mount (1) and survey seat and be provided with bolt hole on (5), and by bolt hole at fixing rack for sensor (1) with survey (5)Upper installation screw rod (7).
3. the triaxial joint meter of the parallel placement of a kind of displacement transducer according to claim 1, is characterized in that, described displacementSensor (2) adopts the displacement transducer of resistance-type, type vibration wire, differential type, capacitance-grid type or laser type.
4. the triaxial joint meter of the parallel placement of a kind of displacement transducer according to claim 1, is characterized in that, described threeContact-making surface (6) is respectively positive 45 °, 90 ° and 45 ° of sides angle with a survey seat plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004533.3U CN205246041U (en) | 2015-12-04 | 2015-12-04 | Three -dimensional joint measurement device of displacement sensor parallel placement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004533.3U CN205246041U (en) | 2015-12-04 | 2015-12-04 | Three -dimensional joint measurement device of displacement sensor parallel placement |
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| Publication Number | Publication Date |
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| CN205246041U true CN205246041U (en) | 2016-05-18 |
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| CN201521004533.3U Active CN205246041U (en) | 2015-12-04 | 2015-12-04 | Three -dimensional joint measurement device of displacement sensor parallel placement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767360A (en) * | 2016-12-31 | 2017-05-31 | 长江三峡勘测研究院有限公司（武汉） | A kind of digital vernier formula crack gauge and its application method for Fracture Deformation monitoring |
| CN106996761A (en) * | 2017-05-19 | 2017-08-01 | 广州市建筑科学研究院有限公司 | A kind of structure movement joint two-dimensional phase is to displacement measuring device and method |
| CN108593009A (en) * | 2018-06-28 | 2018-09-28 | 南京理工大学 | A kind of measuring device of deformation joint or the three direction displacement in crack and newborn crack identification |
| CN109253704A (en) * | 2018-10-29 | 2019-01-22 | 西南交通大学 | Monitoring device for fragment-free track slab deformation |
| CN114754684A (en) * | 2022-05-10 | 2022-07-15 | 武汉科技大学 | Fiber grating three-dimensional deformation measuring device and measuring method |
| CN115371612A (en) * | 2022-08-11 | 2022-11-22 | 南京森特智能科技有限公司 | Bidirectional joint meter and using method |
-
2015
- 2015-12-04 CN CN201521004533.3U patent/CN205246041U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767360A (en) * | 2016-12-31 | 2017-05-31 | 长江三峡勘测研究院有限公司（武汉） | A kind of digital vernier formula crack gauge and its application method for Fracture Deformation monitoring |
| CN106996761A (en) * | 2017-05-19 | 2017-08-01 | 广州市建筑科学研究院有限公司 | A kind of structure movement joint two-dimensional phase is to displacement measuring device and method |
| CN108593009A (en) * | 2018-06-28 | 2018-09-28 | 南京理工大学 | A kind of measuring device of deformation joint or the three direction displacement in crack and newborn crack identification |
| CN108593009B (en) * | 2018-06-28 | 2024-05-14 | 南京理工大学 | Measuring device for three-way displacement of deformation joint or crack and identification of new crack |
| CN109253704A (en) * | 2018-10-29 | 2019-01-22 | 西南交通大学 | Monitoring device for fragment-free track slab deformation |
| CN114754684A (en) * | 2022-05-10 | 2022-07-15 | 武汉科技大学 | Fiber grating three-dimensional deformation measuring device and measuring method |
| CN114754684B (en) * | 2022-05-10 | 2022-12-27 | 武汉科技大学 | Fiber grating three-dimensional deformation measuring device and measuring method |
| CN115371612A (en) * | 2022-08-11 | 2022-11-22 | 南京森特智能科技有限公司 | Bidirectional joint meter and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191030 Address after: Room 406, No. 249 Zhaojiabang Road, Xuhui District, Shanghai, 2003 Co-patentee after: Shanghai Urban Construction Information Technology Co., Ltd. Patentee after: SHANGHAI UNDERGROUND SPACE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE Address before: 200030, room 249, 406 Jia Bang Road, Shanghai, Xuhui District Patentee before: SHANGHAI UNDERGROUND SPACE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE |
|
| TR01 | Transfer of patent right |