CN110553603B - Auxiliary calibrating device for axial measurement, positioning and indication of steel rail - Google Patents
Auxiliary calibrating device for axial measurement, positioning and indication of steel rail Download PDFInfo
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- CN110553603B CN110553603B CN201910963626.5A CN201910963626A CN110553603B CN 110553603 B CN110553603 B CN 110553603B CN 201910963626 A CN201910963626 A CN 201910963626A CN 110553603 B CN110553603 B CN 110553603B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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Abstract
本发明公开了一种钢轨轴向测量定位指示用的辅助校准装置，其技术方案要点是：一种钢轨轴向测量定位指示用的辅助校准装置，包括设置于钢轨上端面或下端面的校准板，校准板表面设有两条呈交叉设置的沟槽线，两条沟槽线相对于钢轨呈对称设置，校准板背离钢轨的表面设有第一刻度线，还包括两分设于钢轨两侧并用于固定校准板的相对于钢轨位置的左卡接侧板、右卡接侧板，左卡接侧板与右卡接侧板夹持校准板，左卡接侧板与右卡接侧板之间设有两个保持左卡接侧板及右卡接侧板固定于钢轨侧壁的磁力卡扣，其中左卡接侧板和\或右卡接侧板侧壁设有与第一刻度线对应的第二刻度线。本发明能够实现钢轨底面或顶面轴向位置的激光轮廓仪测量数据的定位指示工作。
The invention discloses an auxiliary calibration device for the axial measurement and positioning indication of the steel rail. The technical solution is as follows: an auxiliary calibration device for the axial measurement and positioning indication of the steel rail comprises a calibration plate arranged on the upper end face or the lower end face of the steel rail. , the surface of the calibration plate is provided with two intersecting groove lines, the two groove lines are symmetrically arranged relative to the rail, the surface of the calibration plate facing away from the rail is provided with a first scale line, and two groove lines are arranged on both sides of the rail. It is also used to fix the left and right snap-on side plates of the calibration plate relative to the rail. The left and right snap-on side plates clamp the calibration plate, and the left and right snap-on side plates clamp the calibration plate. There are two magnetic buckles between the left and right clamping side plates to be fixed on the side wall of the rail, wherein the left clamping side plate and/or the right clamping side plate are provided with the first engraving. The second tick mark corresponding to the degree line. The invention can realize the positioning indication work of the laser profiler measurement data of the axial position of the bottom surface or the top surface of the rail.
Description
Technical Field
The invention relates to the field of three-dimensional measurement of steel rails, in particular to an auxiliary calibration device for positioning and indicating axial measurement of steel rails.
Background
In the measurement of the three-dimensional profile of the steel rail, the measurement is generally realized by a non-contact measurement method, and mainly a laser profiler is used for acquiring geometric data of the section of the steel rail, the laser profiler is driven by a scanning table or the measured steel rail is under axial traction motion, and the laser profiler continuously acquires the geometric data of the section of the steel rail to complete the measurement of the profile and the axial straightness of the section of the steel rail.
When the laser profilometer is used for measuring the axial straightness of the steel rail, the obtained measurement data and an actual steel rail measurement area are often required to be compared and analyzed. How to accurately judge which section of the measured steel rail axial area is represented by the measurement data of the laser profilometer becomes a technical difficulty of field measurement.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide an auxiliary calibrating device for steel rail axial measurement positioning indication, which can realize positioning indication work of the laser profilometer measurement data of the axial position of the bottom surface or the top surface of a steel rail.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a supplementary calibrating device of rail axial surveying location instruction usefulness, is including setting up in the calibration plate of rail up end or lower terminal surface, the calibration plate surface is provided with two ditch groove lines that are cross arrangement, two the ditch groove line is the symmetry setting for the rail, the surface that the calibration plate deviates from the rail is provided with first scale mark, still includes that two branches are located the rail both sides and are used for left joint curb plate, the right joint curb plate of fixed calibration plate for the rail position, left side joint curb plate is fixed with right joint curb plate centre gripping the calibration plate, be provided with two magnetic force buckles that keep left joint curb plate and right joint curb plate to be fixed in the rail lateral wall between left joint curb plate and the right joint curb plate, wherein left joint curb plate and \ or right joint curb plate lateral wall are provided with the second scale mark that corresponds with first scale mark.
The invention is further provided with: and the two groove lines are positioned at the diagonal positions of the calibration plate, and the cross sections of the groove lines are equilateral triangles with the side length of 2 mm.
The invention is further provided with: left side joint curb plate and right joint curb plate material are the ferromagnetism material, the calibration is half for non-ferromagnetism material.
The invention is further provided with: the left clamping side plate and the right clamping side plate are attached to the side wall of the steel rail, threaded holes are formed in the left clamping side plate and the right clamping side plate, and the threaded holes are in threaded connection with pre-tightening screws pre-tightened with the steel rail.
The invention is further provided with: the left clamping side plate and the right clamping side plate are provided with folded edges which are abutted against one end, away from the steel rail, of the calibration plate.
The invention is further provided with: and the two folded edges are provided with positioning structures which are abutted against the side wall of the calibration plate and position the calibration plate.
The invention is further provided with: the end faces, far away from the calibration plate, of the left clamping side plate and the right clamping side plate are lower than the end faces, far away from the calibration plate, of the steel rails.
In conclusion, the invention has the following beneficial effects:
the left clamping side plate and the right clamping side plate are abutted and correspond to the side wall of the steel rail through the two magnetic buckles, so that the left clamping side plate and the right clamping side plate are abutted and connected to the side wall of the steel rail, the calibration plate is clamped and fixed, the scales of the magnetic clamping side plate on the right side of the scales of the calibration plate are aligned, the measurement position is pushed backwards during measurement, a reference laser is emitted through a laser profiler below the steel rail, the length direction of the reference laser is perpendicular to the axial direction of the steel rail, and three-dimensional scanning data of the steel rail are collected through a plurality of laser profilers arranged on; the laser profiler is used for measuring bottom parameters when the steel rail drives the calibration plate to move relative to the laser profiler, a reference laser beam is emitted, the laser beam sweeps a standard groove line on the calibration plate, the actual position of the steel rail represented by the measurement data can be reversely deduced according to the distance between two groove lines in the measurement data, and meanwhile, the measurement data of the laser profiler can be calibrated by means of the groove data on the calibration plate; when the calibration plate is fixed on the upper end face of the steel rail, the laser profilometer above the steel rail shoots reference laser; in addition, if the non-magnetic steel rail-like structure is subjected to mutual attraction of the two magnetic buckles, the effect of firm clamping is realized.
The threaded holes are penetrated through by the pre-tightening screws and the pre-tightening screws are connected to the steel rail in a threaded mode, and the left clamping side plate and the right clamping side plate are pre-fixed.
Through two location structure butt calibration panel lateral walls and reach centre gripping location calibration panel, conveniently fix the calibration panel position.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a calibration plate according to the present invention;
FIG. 3 is a schematic view of the present invention with a clamping side plate.
The corresponding part names indicated by the numbers in the figures: 1. a calibration plate; 2. a trench line; 3. a positioning structure; 4. a laser beam; 5. a first scale mark; 12. the side plate is clamped at the right side; 13. the side plate is clamped on the left side; 14. magnetic force buckle; 20. a second scale mark; 21. and (7) folding edges.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1 to 3, the auxiliary calibrating device for positioning and indicating axial measurement of a steel rail provided by the present invention includes a calibrating plate 1 disposed on an upper end surface or a lower end surface of the steel rail, in this embodiment, the calibrating plate 1 is selected to abut against and be attached to the lower end surface of the steel rail, two groove lines 2 are disposed on a lower surface of the calibrating plate 1 in a crossing manner, the two groove lines 2 are symmetrically disposed with respect to the steel rail, the two groove lines 2 are located on diagonal positions of the calibrating plate 1, and a cross section of each groove line 2 is an equilateral triangle with a side length of 2 mm. The lower surface of the calibration plate 1 is also provided with a first scale mark 5, and the first scale mark 5 is close to the edge position of the calibration plate 1.
Two left clamping side plates 13 and right clamping side plates 12 used for fixing the position of the calibration plate 1 relative to the steel rail are further mounted on two sides of the steel rail, and the left clamping side plates 13 and the right clamping side plates 12 are made of magnetic materials. Left joint curb plate 13 and right joint curb plate 12 laminate in rail lateral wall and centre gripping calibrated plate 1, are provided with two magnetic force buckles 14 that keep left joint curb plate 13 and right joint curb plate 12 to be fixed in the rail lateral wall between left joint curb plate 13 and the right joint curb plate 12 to be provided with the second scale mark 20 that corresponds with first scale mark 5 at left joint curb plate 13 and/or right joint curb plate 12 lateral wall, right joint curb plate 12 lateral wall is provided with second scale mark 20 in this embodiment. The left clamping side plate 13 and the right clamping side plate 12 are abutted and correspond to each other through the two magnetic buckles 14, so that the left clamping side plate 13 and the right clamping side plate 12 are abutted and connected to the side wall of the steel rail, the calibration plate 1 is clamped and fixed, the scales of the scale right magnetic clamping side plate of the calibration plate 1 are aligned, the measurement position is pushed backwards in the measurement process, meanwhile, a reference laser is shot through a laser profiler below the steel rail, the length direction of the reference laser is perpendicular to the axial direction of the steel rail, and the three-dimensional scanning data of the steel rail are collected through a plurality of laser profilers arranged on the periphery of the steel rail; when the steel rail drives the calibration plate 1 to move relative to the laser profilometer, the laser profilometer for measuring bottom parameters shoots a reference laser beam 4, after the laser beam 4 sweeps the standard groove line 2 on the calibration plate 1, the actual position of the steel rail represented by the measurement data can be reversely deduced according to the distance between the two groove lines 2 in the measurement data, and meanwhile, the measurement data of the laser profilometer can be calibrated by means of the groove data on the calibration plate 1; when the calibration plate 1 is fixed on the upper end face of the steel rail, a laser profiler above the steel rail shoots reference laser; in addition, if the non-magnetic steel rail-like structure is adopted, the effect of firm clamping can be realized through the mutual attraction of the two magnetic buckles 14.
In order to ensure that the calibration plate 1 is tightly attached to the bottom of the steel rail, threaded holes (not marked in the drawing) are formed in the left clamping side plate 13 and the right clamping side plate 12 and are located on the inclined plane of the left clamping side plate 13 and the right clamping side plate 12, two threaded holes are formed in the same vertical plane, and the threaded holes are in threaded connection with pre-tightening screws pre-tightened by the steel rail. The pre-tightening screws penetrate through the threaded holes and are connected to the steel rail in a threaded mode, and the left clamping side plate 13 and the right clamping side plate 12 are pre-fixed.
Left side joint curb plate 13 and right joint curb plate 12 all are provided with the hem 21 of butt terminal surface under calibration plate 1, and hem 21 all is provided with the butt in 1 lateral wall of calibration plate and fixes a position the location structure 3 of 1 position of calibration plate, and location structure 3 can be for being fixed in the locating piece of hem 21, through 1 lateral wall of two 3 butt calibration plates of location structure and reaching centre gripping location calibration plate 1, conveniently fixes calibration plate 1 position.
In order not to affect the measurement of the top straightness, when the left clamping side plate 13 and the right clamping side plate 12 are processed, a part of the left clamping side plate 13 and the right clamping side plate 12 can be cut off, so that the left clamping side plate 13 and the right clamping side plate 12 are lower than the end face of the steel rail far away from the calibration plate 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a supplementary calibrating device of usefulness is fixed a position to rail axial measurement which characterized in that: comprises a calibration plate (1) arranged on the upper end surface or the lower end surface of a steel rail, two groove lines (2) which are arranged in a crossed manner are arranged on the surface of the calibration plate (1), the two groove lines (2) are symmetrically arranged relative to the steel rail, the surface of the calibration plate (1) departing from the steel rail is provided with a first scale mark (5), and the calibration plate also comprises a left clamping side plate (13) and a right clamping side plate (12) which are respectively arranged at two sides of the steel rail and used for fixing the calibration plate (1) relative to the position of the steel rail, the left clamping side plate (13) and the right clamping side plate (12) clamp and fix the calibration plate (1), two magnetic buckles (14) for keeping the left clamping side plate (13) and the right clamping side plate (12) fixed on the side wall of the steel rail are arranged between the left clamping side plate (13) and the right clamping side plate (12), wherein, the side walls of the left clamping side plate (13) and/or the right clamping side plate (12) are provided with second scale marks (20) corresponding to the first scale marks (5).
2. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 1, wherein: the two groove lines (2) are positioned on the diagonal of the calibration plate (1), and the cross sections of the groove lines (2) are equilateral triangles with the side length of 2 mm.
3. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 1, wherein: left side joint curb plate (13) and right joint curb plate (12) material are the ferromagnetism material, calibration plate (1) is non-ferromagnetism material.
4. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 3, wherein: left side joint curb plate (13) and right joint curb plate (12) laminate in the rail lateral wall, just left side joint curb plate (13) and right joint curb plate (12) all set up threaded hole, threaded hole threaded connection have with the pretension screw of rail pretension.
5. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 1, wherein: and the left clamping side plate (13) and the right clamping side plate (12) are both provided with a hem (21) which is abutted against one end of the calibration plate (1) departing from the steel rail.
6. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 5, wherein: and the two folded edges (21) are provided with positioning structures (3) which are abutted against the side wall of the calibration plate (1) and position the calibration plate (1).
7. An auxiliary calibration device for axial measurement, positioning and indication of a steel rail according to claim 1, wherein: the end faces, far away from the calibration plate (1), of the left clamping side plate (13) and the right clamping side plate (12) are lower than the end faces, far away from the calibration plate (1), of the steel rails.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963626.5A CN110553603B (en) | 2019-10-11 | 2019-10-11 | Auxiliary calibrating device for axial measurement, positioning and indication of steel rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963626.5A CN110553603B (en) | 2019-10-11 | 2019-10-11 | Auxiliary calibrating device for axial measurement, positioning and indication of steel rail |
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| Publication Number | Publication Date |
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| CN110553603A CN110553603A (en) | 2019-12-10 |
| CN110553603B true CN110553603B (en) | 2021-04-06 |
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| CN201910963626.5A Active CN110553603B (en) | 2019-10-11 | 2019-10-11 | Auxiliary calibrating device for axial measurement, positioning and indication of steel rail |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924247A (en) * | 2019-12-11 | 2020-03-27 | 楼文昊 | I-shaped steel rail calibration and alignment device for railway construction |
| CN112050750B (en) * | 2020-09-10 | 2024-08-16 | 中铁宝桥集团有限公司 | Magnetic three-dimensional laser scanning target |
| CN116182742A (en) * | 2023-03-22 | 2023-05-30 | 上海理工大学 | Calibration indicating device of a laser profiler and using method thereof |
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| JP2008267960A (en) * | 2007-04-19 | 2008-11-06 | East Japan Railway Co | Ruler for confirming rail-grinding position |
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2019
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Patent Citations (5)
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|---|---|---|---|---|
| SE470341B (en) * | 1992-06-12 | 1994-01-24 | Lundman Ulf Pad Lastceller Ab | Device for weighing a railway vehicle, in particular a freight wagon |
| JP2008267960A (en) * | 2007-04-19 | 2008-11-06 | East Japan Railway Co | Ruler for confirming rail-grinding position |
| CN202072991U (en) * | 2011-04-05 | 2011-12-14 | 株洲时代新材料科技股份有限公司 | Installing fixture for steel rail vibration absorbers |
| CN107433960A (en) * | 2017-06-16 | 2017-12-05 | 石家庄铁道大学 | A kind of rail head of rail profile measuring instrument |
| CN209039890U (en) * | 2018-09-25 | 2019-06-28 | 邯郸钢铁集团有限责任公司 | A kind of portable rail truing tool |
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