CN102706248A - Two-dimensional displacement measurement device and method - Google Patents
Two-dimensional displacement measurement device and method Download PDFInfo
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- CN102706248A CN102706248A CN2012101547793A CN201210154779A CN102706248A CN 102706248 A CN102706248 A CN 102706248A CN 2012101547793 A CN2012101547793 A CN 2012101547793A CN 201210154779 A CN201210154779 A CN 201210154779A CN 102706248 A CN102706248 A CN 102706248A
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- sounding rod
- circular hole
- scale
- cord
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Abstract
The invention discloses a two-dimensional displacement measurement device and method. The two-dimensional displacement measurement device comprises a square measurement bar with a mark, a first slide block and a second slide block with marks and a small drop-hammer with a string. The two-dimensional displacement measurement method comprises the flowing steps of: (1) mounting the measurement device; (2) adjusting locations of the first slide block and the second slide block to ensure that the point part of the lower end of the small drop-hammer is in exactly right contact with a measured point of an object to be measured, and respectively recording sum of readings of the first slide block and the second slide block; (3) adjusting the locations of the two slide blocks when the location of the object to be measured changes in a vertical plane in which the axial line of the measurement bar is to ensure that the point end of the small drop-hammer is in contact with the measured point of the object to be measured, and recording the sum of readings of the two slide blocks; and (4) obtaining a horizontal displacement and a vertical displacement of the object to be measured through calculating. The measurement device and method have the advantages that the two-dimensional displacement measurement device has a simple structure and is easy in assembly and disassembly; the square measurement bar is capable of preventing the slice blocks from causing fixed-axis rotation in a measuring process, and the measurement accuracy is improved; and manufacture and use costs are low, and wide applicability is achieved.
Description
Technical field
The present invention relates to a kind of measurement mechanism, specifically relate to a kind of two-dimension displacement measurement mechanism and measuring method.
Background technology
At present, the measurement of object measured point displacement all is to use the one dimension displacement measurement mechanism, wherein, common one dimension displacement measurement mechanism has: laser interferometer, one dimensional optical chi, electronics gauge head, Magnetic ruler etc.Yet; When move general measured point in the plane both direction all can produce displacement; And being one dimension displacement measurement mechanism by two groups of quadratures mostly, the traditional two-dimensional displacement measuring device combines; Since the device singularity and complicacy, inevitably increased during use operating personnel the education and training cost, improved floating of professionals risk.Simultaneously, the measurement of carrying out two-dimension displacement with the mode of one dimension sensor combinations produces than mistake unavoidably, influence output result's precision.Therefore, how to provide a kind of cost low, simple to operate, two-dimension displacement measurement mechanism and method that precision is higher become the problem of needing solution badly.
Summary of the invention
The object of the present invention is to provide a kind of two-dimension displacement measurement mechanism and measuring method, apparatus structure is simple, and cost is low, and is easy to operate, and can accurately measure the two-dimension displacement of measured point.
The objective of the invention is to realize through following technical scheme:
1, a kind of two-dimension displacement measurement mechanism, it is characterized in that this device by first slide block (2) and second slide block (3) of the sounding rod (1) of band scale, band scale, have a cord little sash weight (4) made; Wherein the end with the sounding rod (1) of scale is fixed on member or the body of wall (7); First slide block (2) and second slide block (3) are enclosed within respectively on the sounding rod (1) through the groove on it, and the cord other end that has a little sash weight (4) of cord is fixed on second slide block (3) after passing circular hole (5) and the circular hole (6) on second slide block (3) on first slide block (2) respectively.
2, described two-dimension displacement measurement mechanism, the sounding rod (1) that it is characterized in that described band scale is for square, and the scale on the sounding rod is positioned at square sounding rod end face, and 0 scale mark is at square sounding rod head end, and minimum division value is 1 millimeter.
3, described two-dimension displacement measurement mechanism is characterized in that described first slide block (2) and second slide block (3), structure identical; Be fluted body; Interior overall size and the outer sectional dimension of square sounding rod (1) are complementary, and the lower end of first slide block (2) and second slide block (3) is respectively arranged with circular hole (5) and the circular hole (6) that passes cord, and scale is positioned at the same side of slide block groove end face; 19 millimeters of scale length overalls, 20 equal portions, minimum division value are 0.95 millimeter; The little sash weight (4) that has cord, this little sash weight are conical, and circular cone is inverted cord of the interior connection of circular hole of upper end, and it is fixing that the other end of cord passes circular hole (6) knotting that penetrates again on second slide block (3) behind the circular hole (5) on first slide block (2).
4, a kind of measuring method of two-dimension displacement measurement mechanism, its measuring process is following:
The end that 1) will have a square sounding rod (1) of scale is fixed on member or the body of wall (7), guarantees sounding rod end face level;
2) first slide block (2) and second slide block (3) concave surface are enclosed within on the square sounding rod (1) up successively, and little sash weight (4) are gone up the circular hole (5) that the other end of cord passes respectively on first slide block (2) fix with the knotting of the back of the circular hole (6) on second slide block (3);
3) position of adjustment first slide block (2) and second slide block (3); Make that measuring point contacts just on tip, little sash weight lower end and the measured object; Reading
and
of record first slide block (2) this moment and second slide block (3); Reading mode is identical with 20 fens degree vernier calipers, and precision is 0.05 millimeter;
4) when the measured object position changes in square sounding rod (1) axis perpendicular of living in; Adjust the position of first slide block (2) and second slide block (3) once more; Make that measuring point contacts just on little sash weight (4) tip, lower end and the measured object, again reading
and
of record first slide block (2) this moment and second slide block (3);
5) can know through calculating; The horizontal shift of measured object is
; Vertical displacement is
; Wherein, horizontal shift and vertical displacement respectively with away from sounding rod terminal with straight up for just.
Advantage of the present invention
A kind of two-dimension displacement measurement mechanism that the present invention proposes is simple in structure, is easy to install and dismounting; Square sounding rod can prevent that limited slip block dead axle takes place rotates in measuring process, improved measuring accuracy; Manufacturing cost and use cost is low, has extensive applicability.
Description of drawings
Fig. 1 is the overall operation synoptic diagram of two-dimension displacement measurement mechanism,
Fig. 2 is the slide block synoptic diagram, and A is a front elevation, and B is a side view,
Fig. 3 is square sounding rod and slide block end face scale synoptic diagram.
Reference numeral: the square sounding rod of 1 band scale; First slide block of 2 band scales; Second slide block of 3 band scales; 4 have the little sash weight of cord; Circular hole on 5 first slide blocks; Circular hole on 6 second slide blocks; 7 members or body of wall.
Embodiment
1, the square sounding rod (1) of used band scale utilizes stainless steel to process, and the outline sectional dimension is 3 centimetres of 3 cm x, and the range of end face scale is 70 centimetres, and minimum calibration is 1 millimeter; First slide block (2) and second slide block (3) adopt stainless steel to process, and the section of outline size is 3.1 centimetres of 3.1 cm x in the slide block, 19 millimeters of groove end face scale length overalls, 20 equal portions, and minimum division value is 0.95 millimeter; Little sash weight (4) is processed with stainless steel, and the top is connected with cord;
Square sounding rod (1) end that 2, will have scale utilizes bolt on body of wall, guarantees sounding rod (1) end face level; First slide block (2) and second slide block (3) concave surface were enclosed within on the sounding rod (1) towards the last time, and circular hole (5) and the knotting of the back of the circular hole (6) on second slide block that the cord other end on the little sash weight (4) is passed respectively on first slide block (2) are fixing; Adjust the position of first slide block (2) and second slide block (3), little sash weight (4) tip, lower end is contacted with caisson top measurement point just, this moment, the reading of first slide block (2) and second slide block (3) was respectively 62.3mm and 253.6mm; When caisson under external force the top to turning to away from the sounding rod end when stablizing; Adjust the position of first slide block (2) and second slide block (3); Make corresponding once more caisson top, little sash weight (4) tip, lower end measurement point, this moment, the reading of first slide block (2) and second slide block (3) was respectively 37.1mm and 231.7mm; Through calculating, the horizontal shift and the vertical displacement of caisson top measurement point are respectively: 25.2mm and 3.3mm.
Claims (5)
1. two-dimension displacement measurement mechanism, it is characterized in that this device by first slide block (2) and second slide block (3) of the sounding rod (1) of band scale, band scale, have a cord little sash weight (4) made; Wherein the end with the sounding rod (1) of scale is fixed on member or the body of wall (7); First slide block (2) and second slide block (3) are enclosed within respectively on the sounding rod (1) through the groove on it, and the cord other end that has a little sash weight (4) of cord is fixed on second slide block (3) after passing circular hole (5) and the circular hole (6) on second slide block (3) on first slide block (2) respectively.
2. two-dimension displacement measurement mechanism according to claim 1, the sounding rod (1) that it is characterized in that described band scale is for square, and the scale on the sounding rod is positioned at square sounding rod end face, and 0 scale mark is at square sounding rod head end, and minimum division value is 1 millimeter.
3. two-dimension displacement measurement mechanism according to claim 1; It is characterized in that described first slide block (2) is identical with the structure of second slide block (3), be fluted body, interior overall size and the outer sectional dimension of square sounding rod (1) are complementary; The lower end of first slide block (2) and second slide block (3) is provided with circular hole (5) and the circular hole (6) that passes cord; Scale is positioned at the same side of slide block groove end face, and 19 millimeters of scale length overalls, 20 equal portions, minimum division value are 0.95 millimeter.
4. two-dimension displacement measurement mechanism according to claim 1; It is characterized in that the described little sash weight (4) that has cord; This little sash weight is conical; Circular cone is inverted in the circular hole of upper end and is connected a cord, and it is fixing that the other end of cord passes circular hole (6) knotting that penetrates second slide block (3) behind the circular hole (5) of first slide block (2) again.
5. the measuring method of a two-dimension displacement measurement mechanism, its measuring process is following:
The end that 1) will have a square sounding rod (1) of scale is fixed on member or the body of wall (7), guarantees sounding rod end face level;
2) first slide block (2) and second slide block (3) concave surface are enclosed within on the square sounding rod (1) up successively, and little sash weight (4) are gone up the circular hole (5) that the other end of cord passes respectively on first slide block (2) fix with the knotting of the back of the circular hole (6) on second slide block (3);
3) position of adjustment first slide block (2) and second slide block (3); Make that measuring point contacts just on little sash weight (4) tip, lower end and the measured object; Reading
and
of record first slide block (2) this moment and second slide block (3); Reading mode is identical with 20 fens degree vernier calipers, and precision is 0.05 millimeter;
4) when the measured object position changes in square sounding rod (1) axis perpendicular of living in; Adjust the position of first slide block (2) and second slide block (3) once more; Make that measuring point contacts just on little sash weight (4) tip, lower end and the measured object, again reading
and
of record first slide block (2) this moment and second slide block (3);
5) can know through calculating; The horizontal shift of measured object is
; Vertical displacement is
; Wherein, horizontal shift and vertical displacement respectively with away from sounding rod terminal with straight up for just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101547793A CN102706248A (en) | 2012-05-18 | 2012-05-18 | Two-dimensional displacement measurement device and method |
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|---|---|---|---|
| CN2012101547793A CN102706248A (en) | 2012-05-18 | 2012-05-18 | Two-dimensional displacement measurement device and method |
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| CN2012101547793A Pending CN102706248A (en) | 2012-05-18 | 2012-05-18 | Two-dimensional displacement measurement device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345295A (en) * | 2013-06-21 | 2013-10-09 | 中国科学院上海光学精密机械研究所 | Two-dimensional displacement adjusting mechanism |
| CN104634219A (en) * | 2015-02-16 | 2015-05-20 | 中交一航局第二工程有限公司 | Two-dimensional spacing and dislocation measuring tape |
| CN106908022A (en) * | 2017-04-10 | 2017-06-30 | 中铁隧道勘测设计院有限公司 | Horizontal displacement monitoring measurement apparatus after a kind of city track traffic engineering rail |
| CN107462143A (en) * | 2017-06-20 | 2017-12-12 | 昆明理工大学 | A kind of Bidirectional displacement meter |
| CN111024054A (en) * | 2019-12-07 | 2020-04-17 | 中冶天工集团有限公司 | Plane deviation monitoring and measuring device and measuring method of single-layer gabion retaining wall |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6078311A (en) * | 1983-10-05 | 1985-05-04 | Takenaka Komuten Co Ltd | Device for measuring remotely rate of displacement |
| CN201302519Y (en) * | 2008-11-26 | 2009-09-02 | 中国第一汽车集团公司 | Front wheel toe-in measurer |
| CN201706991U (en) * | 2010-05-10 | 2011-01-12 | 李中杰 | Measuring scale |
| CN201876211U (en) * | 2010-11-17 | 2011-06-22 | 中冶陕压重工设备有限公司 | Cross rule for detecting size of large cylindrical forging |
| KR20110096015A (en) * | 2011-08-08 | 2011-08-26 | 주식회사백상 | Rope type 3-dimensional displacement measuring device |
| CN202109865U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Top center and diameter measuring instrument for pipes with large journal and large diameter |
-
2012
- 2012-05-18 CN CN2012101547793A patent/CN102706248A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6078311A (en) * | 1983-10-05 | 1985-05-04 | Takenaka Komuten Co Ltd | Device for measuring remotely rate of displacement |
| CN201302519Y (en) * | 2008-11-26 | 2009-09-02 | 中国第一汽车集团公司 | Front wheel toe-in measurer |
| CN201706991U (en) * | 2010-05-10 | 2011-01-12 | 李中杰 | Measuring scale |
| CN201876211U (en) * | 2010-11-17 | 2011-06-22 | 中冶陕压重工设备有限公司 | Cross rule for detecting size of large cylindrical forging |
| CN202109865U (en) * | 2011-06-15 | 2012-01-11 | 金川集团有限公司 | Top center and diameter measuring instrument for pipes with large journal and large diameter |
| KR20110096015A (en) * | 2011-08-08 | 2011-08-26 | 주식회사백상 | Rope type 3-dimensional displacement measuring device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345295A (en) * | 2013-06-21 | 2013-10-09 | 中国科学院上海光学精密机械研究所 | Two-dimensional displacement adjusting mechanism |
| CN104634219A (en) * | 2015-02-16 | 2015-05-20 | 中交一航局第二工程有限公司 | Two-dimensional spacing and dislocation measuring tape |
| CN106908022A (en) * | 2017-04-10 | 2017-06-30 | 中铁隧道勘测设计院有限公司 | Horizontal displacement monitoring measurement apparatus after a kind of city track traffic engineering rail |
| CN107462143A (en) * | 2017-06-20 | 2017-12-12 | 昆明理工大学 | A kind of Bidirectional displacement meter |
| CN111024054A (en) * | 2019-12-07 | 2020-04-17 | 中冶天工集团有限公司 | Plane deviation monitoring and measuring device and measuring method of single-layer gabion retaining wall |
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Application publication date: 20121003 |