CN204085407U - A kind of triaxial joint meter limiting measurement degree of freedom - Google Patents
A kind of triaxial joint meter limiting measurement degree of freedom Download PDFInfo
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- CN204085407U CN204085407U CN201420547976.6U CN201420547976U CN204085407U CN 204085407 U CN204085407 U CN 204085407U CN 201420547976 U CN201420547976 U CN 201420547976U CN 204085407 U CN204085407 U CN 204085407U
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Abstract
The utility model discloses a kind of triaxial joint meter limiting measurement degree of freedom, comprise a left side, right plate and micrometric depth gauge, this left side, right plate is made up of multistage bending plate respectively, and adjacent bending place is orthogonal, left plate and right plate are individually fixed on structural joint, distance in three orthogonal directions between measuring with micrometric depth gauge, this left plate has arc surface and surveys rail, this right plate has bar shaped gaging hole, the front elevation of this bar shaped gaging hole and survey rail arc surface, survey on the direction of rail arc surface at the through hole of this bar shaped gaging hole to correspondence, its projecting plane there is the projection of mutual cross lamination, micrometric depth gauge is through right plate bar shaped gaging hole, simultaneously, micrometric depth gauge base plate reference field and bar shaped gaging hole place lateral plates are close to, the measurement plane of this micrometric depth gauge sounding rod presses closer surveys rail arc surface in left plate.The utility model point, face combine location, and degree of freedom is measured in restriction, ensure to measure unique value, improve measuring accuracy, avoid resetting.
Description
Technical field
The utility model relates to a kind of measurement mechanism of structural joint, specifically a kind of triaxial joint meter limiting measurement degree of freedom.
Background technology
Three-dimensional joint measurement device is one of method commonly used during fabric structure seam face or cracking seam facial disfigurement are observed, the method is simple and clear, specifically by the left plate of three-dimensional joint measurement device, right plate is separately fixed at both sides, seam face, measuring point on plate face has knife-edge to survey rail and sphere surveys first two shape, seam face X, Y, the relative displacement observation of Z-direction all adopts vernier caliper to carry out survey and reads, can be described as again vernier caliper type three-dimensional joint measurement device, namely a left side is blocked with the external pelivimetry pawl of vernier caliper successively cocurrent and parallel, right plate X, Y, Z-direction measuring point end face (namely knife-edge surveys tread face or sphere gauge head end face), survey data and the reference value (side plate value adds side plate upper slitter shape and surveys rail one-tenth-value thickness 1/10 or sphere gauge head one-tenth-value thickness 1/10) read difference be seam face respectively to relative shift.
See Fig. 1: existing vernier caliper type three-dimensional joint measurement device, be made up of left plate 1, right plate 2, and be fixed respectively by fixed bolt hole 6, X, Y, Z face of biside plate (1,2) is respectively arranged with measuring point, the measuring point shape of this figure is that knife-edge survey rail (is X axis knife-edge and surveys rail 3, Y-axis knife-edge surveys rail 4, and Z-axis direction knife-edge surveys rail 5).In engineering reality, a left side for three-dimensional joint measurement device, right plate fixed position is with building deformation, so the distance of vernier caliper measurement is extremely rare in the situation of corresponding measuring point parallel surface displacement, vernier caliper type three-dimensional joint measurement device, although provide point cantact condition, but it is left to use vernier caliper cocurrent and parallel to measure, right plate in the same way measuring point is not easily implemented, substantially survey the data read and be a left side, the oblique distance of right plate measuring point in the same way, main cause is the restriction lacking degree of freedom when measuring, so observation personnel are difficult to ensure to survey read data in same point position, its repeated measures data difference is larger, monitoring error is generally more than several millimeters, not easily meet the requirement of current specifications accuracy of observation.
Summary of the invention
The purpose of this utility model is: for above-mentioned the deficiencies in the prior art, provides a kind of and limits the triaxial joint meter measuring degree of freedom.It utilizes point, combination location, face, and degree of freedom is measured in restriction, ensures that the distance of measurement is the joint measurement device of unique value.
The technical solution adopted in the utility model is, a kind of triaxial joint meter limiting measurement degree of freedom, comprise left plate, right plate and micrometric depth gauge, this left side, right plate is made up of multistage bending plate respectively, and adjacent bending place is orthogonal, left plate and right plate are individually fixed on structural joint, distance in three orthogonal directions between measuring with micrometric depth gauge, described left plate has arc surface and surveys rail, described right plate has bar shaped gaging hole, the front elevation of this bar shaped gaging hole and survey rail arc surface, survey on the direction of rail arc surface at the through hole of this bar shaped gaging hole to correspondence, its projecting plane there is the projection of mutual cross lamination, simultaneously, micrometric depth gauge is through right plate bar shaped gaging hole, this micrometric depth gauge base plate reference field and bar shaped gaging hole place lateral plates are close to, the measurement plane of this micrometric depth gauge sounding rod presses closer surveys rail arc surface in left plate.
Described left plate X-axis with in Y-axis angle positive dirction and X-axis with the party's arc surface survey rail upwards together with Z axis angle positive dirction is respectively equipped with; Described right plate is respectively equipped with X axis bar shaped gaging hole, Y-axis bar shaped gaging hole and Z-axis direction bar shaped gaging hole in the X, Y, Z direction.
Further, the survey rail length of described arc surface should be greater than structural joint face relative displacement maximum year Variable Amplitude.
Further, the length of described bar shaped gaging hole should be greater than seam face relative displacement maximum year Variable Amplitude.
Further, described arc surface is surveyed on the length direction of rail, its become cross section arc surface angle to be at least greater than 90 ° and the angular bisector of this angle overlaps with the angular bisector of direction diaxon composition corresponding to this arc surface angular bisector, this arc surface side and place plate thickness direction thereof are provided with groove.
Described left plate along Z axis positive-displacement lower than the mounting hole site of right plate along Z axis positive-displacement.
The beneficial effects of the utility model are: the cooperation of being surveyed rail, bar shaped gaging hole and micrometric depth gauge by arc surface, ensure that and utilize point, combination location, face, degree of freedom is measured in restriction, ensure that the distance of measurement is unique value, improve the precision of measurement, avoid duplicate measurements.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of existing vernier caliper type three-dimensional joint measurement device.
Fig. 2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of Fig. 2.
Fig. 4 be Fig. 2 Z-direction on arc surface survey rail one cross section partial enlarged drawing.
Fig. 5 be Fig. 2 Y direction on arc surface survey rail another cross section partial enlarged drawing.
Code name implication in figure: 1-left plate; 2-right plate; 3-X axis knife-edge surveys rail; 4-Y-axis knife-edge surveys rail; 5-Z-axis direction knife-edge surveys rail; 6-fixed bolt hole; 7-left plate; 8-right plate; 9-X, Y-axis angle positive dirction arc surface survey rail; 10-X, Z axis angle positive dirction arc surface survey rail; 11-X axis bar shaped gaging hole; 12-Y-axis bar shaped gaging hole; 13-Z-axis direction bar shaped gaging hole; 14-fixing threaded hole.
Embodiment
The utility model is based on bar shaped gaging hole and the front elevation surveying rail arc surface, survey on the direction of rail arc surface at the through hole of this bar shaped gaging hole to correspondence, what its projecting plane has mutual cross lamination is projected as prerequisite, meet simultaneously, utilize arc surface survey rail and micrometric depth gauge (artificial survey can be selected to read or digimatic depth milscale, floor length is 63mm, sounding rod radial section is sphere, diameter is 4.5mm) the measurement plane point cantact of sounding rod (or, with not contacting with the measurement umbilical point of micrometric depth gauge sounding rod with the survey rail of arc surface), the degree of freedom of the movement on controlling depth miking bar measuring staff direction, utilize micrometric depth gauge base plate reference field and bar shaped gaging hole place side plate plane-plane contact, restriction is except the rotational freedom being axis rotation with this bar on sounding rod measuring staff direction, be right-handed Cartesian coordinate system for coordinate described in figure, structural joint mentioned here is expansion joint, the subsiding crack and aseismic joint etc. of buildings.
embodiment 1
See Fig. 2 to Fig. 5: the utility model is a kind of triaxial joint meter limiting measurement degree of freedom, be made by corrosion resistant plate, comprise left plate 7, right plate 8(left plate 7, the thickness of slab of right plate 8 is not less than 10mm, plate is wide is not less than 50mm, biside plate arranges the through hole of at least two fixing threaded holes 14, aperture is not less than 14mm) and micrometric depth gauge, this left side, right plate (7, 8) be made up of multistage bending plate respectively, and adjacent bending place is orthogonal, at Z axis positive dirction top offset, left plate 7 is lower than the mounting hole site of right plate 8, for the half of maximum year Variable Amplitude, wherein, left plate 7 is by first paragraph side plate, middle side plate and the 3rd section of side plate unitary construction, there are two side plates along the parallel fixing threaded hole of Y direction, life is first paragraph side plate, the direction of screw is along X-direction, interlude side plate is mutually vertical with first paragraph side plate, vertical direction is X positive dirction, and there is surveying rail with arc surface (surveying rail will corresponding to bar shaped gaging hole along Z axis positive dirction at the corresponding other end place away from first paragraph side plate and middle side plate bending place, this gaging hole is the X axis bar shaped gaging hole 11 of X-direction and the Y-axis bar shaped gaging hole 12 of Y-direction) side plate, this survey rail is along X, in the angle positive dirction of Y-axis and side has groove, simultaneously, this one end has interlude side plate to bend the 3rd section of mutually perpendicular side plate, this side plate vertical direction be Y-axis positive dirction and this side plate with arc surface survey rail (survey rail will corresponding to bar shaped gaging hole, this gaging hole is the Z-axis direction bar shaped gaging hole 13 of Z-direction), this survey rail is along X, in the positive dirction of Z axis angle and side has groove, right plate 8 is by first paragraph side plate, middle side plate and the 3rd section of side plate unitary construction, there are two side plates along the parallel fixing threaded hole of Y direction, screw direction is X-direction, life is first paragraph side plate, side plate adjacent is with it interlude side plate, mutually vertical with first paragraph side plate, vertical direction is X positive dirction, and this gaging hole of Y-axis bar shaped gaging hole 12(that this middle side plate has Y direction corresponds to the survey rail of left plate on the positive direction of principal axis of Z axis), this gaging hole of Z-axis direction bar shaped gaging hole 13(of Z-direction corresponds to the survey rail of left plate on the positive direction of principal axis of Y-axis), the gaging hole arranged is the through hole (lower same) running through side plate, in the other end bending place of the first side plate and middle side plate bending place be, the 3rd section of perpendicular side plate is had with interlude side plate bending place, this side plate vertical direction is Y-axis negative direction, and corresponds to the survey rail of left plate on the positive direction of principal axis of Z axis with this gaging hole of X axis bar shaped gaging hole 11(of X-direction above), left plate 7 and right plate 8 are used respectively threaded fastener (as screw fix, bolt is fixing) by fixing threaded hole 14, to be fixed on structural joint (section residing for fixing threaded hole 14, the plate end of the side plate of distance structure seam phase near-end generally get 15mm place apart from the edge of structure seam and fix), by the three-dimensional distance between micrometric depth gauge measurement,
Described left plate 7 is at X, in Y-axis angle positive dirction and X, Z axis angle positive dirction is respectively equipped with one the party arc surface upwards and surveys rail, be X, Y-axis angle positive dirction arc surface surveys rail 9, X, Z axis angle positive dirction arc surface surveys rail 10, wherein, arc surface is surveyed on the length direction of rail, its become cross section arc surface angle to be at least greater than 90 ° and the angular bisector of this angle overlaps with the angular bisector of direction diaxon composition corresponding to this arc surface angular bisector and (general becomes cross section arc surface angle to be 230 °, radius is 2.5mm, see Fig. 4, Fig. 5 can know, cross section arc surface all becomes identical angle apart from adjacent axle, here be 20 °, so the angular bisector of this cross section arc surface overlaps with the angular bisector of the diaxon angle at this arc surface angular bisector place, cross section place corresponding naturally), this arc surface side, and place plate thickness direction is provided with groove, and (groove depth is identical with arc surface radius, groove width is not less than twice groove depth), the observation needs of the segmentation of better adaptation buildings or piecemeal torsional deformation and need not plate thickness be weakened, and the survey rail length of arc surface should be greater than structural joint face relative displacement maximum year Variable Amplitude, ensure the structural joint outer profile change of measuring different times, the needs that measuring position changes,
Described right plate 8 is at X, Y, Z-direction is respectively equipped with X axis bar shaped gaging hole 11, Y-axis bar shaped gaging hole 12 and Z-axis direction bar shaped gaging hole 13(gaging hole diameter are the through hole of 5.5mm), its bar shaped gaging hole is for running through side plate through-hole, its length should be greater than seam face relative displacement maximum year Variable Amplitude, ensure the structural joint outer profile change of measuring different times, the needs that measuring position changes, micrometric depth gauge base plate reference field should ensure flat smooth with respective side panels surface of contact, can meet and measure needs, the front elevation of this bar shaped gaging hole and survey rail arc surface, at bar shaped gaging hole through hole with surveying on rail arc surface direction in opposite directions, its projecting plane there is the projection of mutual cross lamination, ensure that bar shaped gaging hole can be mutually corresponding with arc surface survey rail, and meet micrometric depth gauge and measure needs, the uniqueness of measured value, described micrometric depth gauge is through right plate 8 bar shaped gaging hole, and this micrometric depth gauge base plate reference field and bar shaped gaging hole place lateral plates are close to, and the measurement plane of mobile micrometric depth gauge sounding rod presses closer surveys rail arc surface in left plate 7.
embodiment 2
Except the overbending direction of left plate and right plate, corresponding locality are different, other identical with embodiment 1.As: at Z axis positive dirction top offset, left plate is higher than the mounting hole site of right plate, for the half of maximum year Variable Amplitude, left plate is by first paragraph side plate, middle side plate and the 3rd section of side plate unitary construction, there are two side plates along the parallel fixing threaded hole of Y direction, this gaging hole direction is in X-direction, life is first paragraph side plate, interlude side plate is mutually vertical with first paragraph side plate, vertical direction is X positive dirction, and there is surveying rail with arc surface (surveying rail will corresponding to bar shaped gaging hole along Z axis negative direction at the opposition one end place away from first paragraph side plate and middle side plate bending place, this bar shaped gaging hole is the X axis bar shaped gaging hole of X-direction, the Y-axis bar shaped gaging hole of Y direction) side plate, this survey rail is along X, in Y-axis angle positive dirction and side has groove, this end has has the 3rd section of perpendicular side plate with interlude side plate bending place, this side plate vertical direction be Y-axis positive dirction and this side plate with arc surface survey rail (survey rail will corresponding to bar shaped gaging hole, this bar shaped gaging hole is Z-direction Z-axis direction bar shaped gaging hole), this survey rail is along in X positive dirction and Z axis negative direction angle and side has groove, right plate is by first paragraph side plate, middle side plate and the 3rd section of side plate unitary construction, there are two side plates along the parallel fixing threaded hole of Y direction, this gaging hole direction is in X-direction, life is first paragraph side plate, adjacent side plate is interlude side plate, mutually vertical with first paragraph side plate, vertical direction is X positive dirction, this middle side plate has the Y-axis bar shaped gaging hole (this gaging hole bears the survey rail on direction of principal axis at Z axis corresponding to left plate) of Y direction, with the Z-axis direction bar shaped gaging hole (this gaging hole corresponds to the survey rail of left plate on the positive direction of principal axis of Y-axis) of Z-direction, the gaging hole arranged is the through hole (lower same) running through side plate, away from the first side plate and middle side plate bending place, herein, there is the 3rd section of perpendicular side plate interlude side plate bending place, this side plate vertical direction is Y-axis negative direction, and above with the X axis bar shaped gaging hole (this gaging hole corresponds to left plate and to bear survey rail on direction of principal axis at Z axis) of X-direction
embodiment 3
In embodiment 1,2, not doing of other changes, and is positioned at arc surface surveys the side of rail for the groove in embodiment 1,2, can be arc surface survey rail left side, also can be the right side that arc surface surveys rail.
Further, be arranged on structural joint for left and right side plate, on Z axis sense of displacement, the relation of mounting hole site, as long as we ensure that the arc surface of its left plate is surveyed rail and is mapped with the bar shaped joint measurement of right plate, meet the positioning requirements measured, so far, meet all arc surfaces survey rail of this condition, the position relationship of bar shaped joint measurement then can in conjunction with practice condition; For the groove on its above-mentioned survey rail, if meet observation condition then can, and survey the position relationship of rail and can change, further, the position that can reach observation effect can be set and then can.
The technical scheme of each embodiment is only in order to illustrate the utility model above, is not intended to limit.
Claims (6)
1. one kind limits the triaxial joint meter measuring degree of freedom, comprise left plate, right plate and micrometric depth gauge, this left side, right plate is made up of multistage bending plate respectively, and adjacent bending place is orthogonal, left plate and right plate are individually fixed on structural joint, distance in three orthogonal directions between measuring with micrometric depth gauge, it is characterized in that: described left plate has arc surface and surveys rail, described right plate has bar shaped gaging hole, the front elevation of this bar shaped gaging hole and survey rail arc surface, survey on the direction of rail arc surface at the through hole of this bar shaped gaging hole to correspondence, its projecting plane there is the projection of mutual cross lamination, simultaneously, micrometric depth gauge is through right plate bar shaped gaging hole, this micrometric depth gauge base plate reference field and bar shaped gaging hole place lateral plates are close to, the measurement plane of this micrometric depth gauge sounding rod presses closer surveys rail arc surface in left plate.
2. the triaxial joint meter of degree of freedom is measured in restriction according to claim 1, it is characterized in that: described left plate X-axis with in Y-axis angle positive dirction and X-axis with the party's arc surface survey rail upwards together with Z axis angle positive dirction is respectively equipped with; Described right plate is respectively equipped with X axis bar shaped gaging hole, Y-axis bar shaped gaging hole and Z-axis direction bar shaped gaging hole in the X, Y, Z direction.
3. according to claim 1 or 2, the triaxial joint meter of degree of freedom is measured in restriction, it is characterized in that: the survey rail length of described arc surface should be greater than structural joint face relative displacement maximum year Variable Amplitude.
4. according to claim 1 or 2, the triaxial joint meter of degree of freedom is measured in restriction, it is characterized in that: the length of described bar shaped gaging hole should be greater than seam face relative displacement maximum year Variable Amplitude.
5. according to claim 1 or 2, the triaxial joint meter of degree of freedom is measured in restriction, it is characterized in that: described arc surface is surveyed on the length direction of rail, its become cross section arc surface angle to be at least greater than 90 ° and the angular bisector of this angle overlaps with the angular bisector of direction diaxon composition corresponding to this arc surface angular bisector, this arc surface side and place plate thickness direction thereof are provided with groove.
6. the triaxial joint meter of degree of freedom is measured in restriction according to claim 1, it is characterized in that: described left plate along Z axis positive-displacement lower than the mounting hole site of right plate along Z axis positive-displacement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420547976.6U CN204085407U (en) | 2014-09-23 | 2014-09-23 | A kind of triaxial joint meter limiting measurement degree of freedom |
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| CN201420547976.6U CN204085407U (en) | 2014-09-23 | 2014-09-23 | A kind of triaxial joint meter limiting measurement degree of freedom |
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| CN204085407U true CN204085407U (en) | 2015-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839955A (en) * | 2017-03-14 | 2017-06-13 | 中国电建集团西北勘测设计研究院有限公司 | A kind of Three-direction gap detector and method for monitoring concrete structure relative deformation |
| CN106989716A (en) * | 2017-05-19 | 2017-07-28 | 广州市建筑科学研究院有限公司 | A kind of three-dimensional relative displacement measurement apparatus of structure movement joint and method |
-
2014
- 2014-09-23 CN CN201420547976.6U patent/CN204085407U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839955A (en) * | 2017-03-14 | 2017-06-13 | 中国电建集团西北勘测设计研究院有限公司 | A kind of Three-direction gap detector and method for monitoring concrete structure relative deformation |
| CN106989716A (en) * | 2017-05-19 | 2017-07-28 | 广州市建筑科学研究院有限公司 | A kind of three-dimensional relative displacement measurement apparatus of structure movement joint and method |
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Address after: No.7 Tianyun Road, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Guoneng Dadu River Basin Hydropower Development Co.,Ltd. Address before: 614900 No.99 Gongdian Avenue, Shawan District, Leshan City, Sichuan Province Patentee before: DADU RIVER HYDROPOWER DEVELOPMENT Co.,Ltd. |