CN216745932U - Quick calibration device suitable for track dynamic detection system - Google Patents
Quick calibration device suitable for track dynamic detection system Download PDFInfo
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- CN216745932U CN216745932U CN202123199128.XU CN202123199128U CN216745932U CN 216745932 U CN216745932 U CN 216745932U CN 202123199128 U CN202123199128 U CN 202123199128U CN 216745932 U CN216745932 U CN 216745932U
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Abstract
The utility model discloses a quick calibration device suitable for track dynamic verification system, include: the calibration device comprises a calibration main body, a first calibration hole and a second calibration hole, wherein the surface of the calibration main body is sequentially provided with the two calibration holes along the length direction, the centers of the two calibration holes are positioned on the same straight line, the surface where the two calibration holes are positioned is a plane, the surface of the calibration main body is provided with a calibration scale, each calibration hole at least corresponds to one calibration scale, the surface of the calibration main body is also provided with at least one calibration line, the arrangement direction of each calibration line in the at least one calibration line is the length direction, and each calibration line penetrates through the two calibration holes; the utility model discloses a set up laser sensor's special calibration structure, can realize laser sensor's high accuracy and mark to very big improvement mark the precision, in addition, the device easy operation need not unnecessary installation preparation work, single can accomplish the work of maring, has not only reduced the human cost, has still improved calibration efficiency.
Description
Technical Field
The utility model belongs to the technical field of the track detects, concretely relates to quick calibration device suitable for track dynamic verification system.
Background
The rail is a basic carrier in the system, so that high-precision detection of various geometric parameters of the rail is important basic work for guaranteeing safe operation, and various geometric parameters of the rail are important technical indexes for measuring the quality of rail traffic lines and are key points for guaranteeing safe running of trains and guiding maintenance and repair of the rail.
The track detection system is mainly used for checking the geometric state of the track, evaluating the dynamic quality of the line, guiding the line maintenance and realizing the scientific management of the track; at present, a track detection system is generally used on a track inspection vehicle and a comprehensive detection train, generally adopts an inertial reference method and a non-contact measurement mode, and realizes track detection based on a laser camera shooting principle, and the basic measurement items of the track detection system include: horizontal, super-high, gauge, track direction, high and low, triangular pits, etc.
At present, the track detecting system all needs to be calibrated before detecting to guarantee the measuring accuracy, but the current track detecting system usually adopts the horizontal calibration scale to calibrate, and this mode has following not enough: (1) a special track detection calibration structure is not provided, and the calibration precision is not high due to the large difference of different measuring personnel operations; (2) the calibration process is complex and can be completed by cooperation of multiple persons, so that the calibration efficiency is low; therefore, it is urgent to provide a calibration apparatus with high calibration accuracy and high calibration efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick calibration device suitable for track dynamic verification system to solve current track detection system and adopt the horizontal calibration chi to mark the not high and problem of demarcation inefficiency of demarcation precision that exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a quick calibration device suitable for track dynamic verification system, include:
the calibration device comprises a calibration main body, a calibration support and a calibration support, wherein two calibration holes are sequentially formed in the surface of the calibration main body along the length direction, the centers of the two calibration holes are positioned on the same straight line, and the surfaces of the two calibration holes are planes;
the surface of the calibration main body is provided with calibration graduated scales, and each calibration hole at least corresponds to one calibration graduated scale;
the surface of the calibration main body is further provided with at least one calibration line, wherein the arrangement direction of each calibration line in the at least one calibration line is the length direction, and each calibration line penetrates through the two calibration holes.
Based on the above disclosure, the utility model is provided with the calibration holes, when in use, the laser emitted by the two laser sensors in the track detection system respectively passes through the calibration holes, so that the laser sensor position and the installation angle in the track detection system can be rapidly calibrated by means of the calibration holes; meanwhile, through the calibration line and the calibration scale, whether the relative positions of the two laser sensors have deviation or not can be rapidly compared, and the calibration scale can be used for adjustment; therefore, the utility model discloses a set up laser sensor's special use and mark the structure, can realize laser sensor's high accuracy and mark to very big improvement mark the precision, in addition, the device easy operation need not unnecessary installation preparation work, single can accomplish and mark work, has not only reduced the human cost, has still improved and has markd efficiency.
In one possible design, the surface of the calibration body is provided with three calibration lines, wherein one calibration line corresponds to the top end, the bottom end and the center of each calibration hole.
Based on the above disclosure, the utility model discloses a set up three calibration lines, the improvement that can step forward calibrates the precision.
In one possible design, the two calibration holes are rectangular holes, wherein the calibration scales are arranged along the width direction of the calibration holes, and two width edges of each calibration hole correspond to one calibration scale respectively.
Based on the above disclosure, use the rectangular hole to carry out position calibration, can be convenient for cooperate with the calibration scale, carry out the adjustment of position, simultaneously, every rectangular hole sets up two calibration scales, can be convenient for survey crew carries out the reading to carry out laser sensor's position calibration, from this, can improve the convenience when calibrating.
In one possible design, the spacing between two calibrated holes is between 1.3m and 1.6 m.
In one possible design, the spacing between the two indexing holes is 1.5 m.
In one possible design, the calibration body is a rectangular tube; when the device is applied specifically, the appearance of the rectangular pipe can be well compatible with different field calibration environments, so that the applicability of the device is improved.
In one possible design, the rectangular tube is an aluminum alloy tube; when the aluminum alloy pipe is specifically applied, the aluminum alloy pipe is light in weight, convenient to operate and carry on site, low in aluminum alloy cost and good in economy.
In one possible design, the length of the calibration body is at least 1.7 m; in specific application, 1.7m is the minimum length required by calibration, so that the calibration accuracy of the laser sensor can be ensured.
Drawings
Fig. 1 is the utility model provides a quick calibration device's schematic structure diagram suitable for track dynamic detection system.
Reference numerals: 10-calibrating the main body; 20-calibrating the hole; 30-calibrating a graduated scale; 40-calibration line.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
Examples
As shown in fig. 1, the rapid calibration device for a track dynamic detection system according to the first aspect of the present embodiment can rapidly calibrate a position and an installation angle of a laser sensor in a track detection system, and the rapid calibration device is provided with a dedicated calibration structure for the laser sensor, so that when in use, laser emitted by the laser sensor passes through a calibration hole, and rapid calibration of the position and the installation angle of the laser sensor can be completed by means of the calibration hole; meanwhile, the calibration line and the calibration dividing rule are utilized, whether deviation exists in the relative positions of the two laser sensors can be rapidly compared, and adjustment can be carried out based on the calibration dividing rule, so that the calibration device can improve calibration precision, reduce calibration procedures, complete calibration work by only one person, is simple and convenient to operate, and is suitable for large-scale popularization and application.
In this embodiment, for example, the fast calibration apparatus suitable for the track dynamic detection system may include, but is not limited to: the calibration main body 10 and the calibration component are arranged on the calibration main body 10, and when the calibration main body 10 is placed on a track by a measurer, the laser sensor in the track detection system can be calibrated quickly.
In a specific application, the surface of the calibration body 10 where the calibration component is installed is a plane, so as to ensure the calibration precision.
Optionally, the example calibration component includes a calibration hole 20, a calibration scale 30 and a calibration line 40, wherein two calibration holes 20 are sequentially formed on the surface of the calibration main body 10 along the length direction; referring to fig. 1, the surfaces of the two calibration holes 20 are planes, and the centers of the two calibration holes 20 are located on the same straight line, so that the two calibration holes 20 can be ensured to be located on the same horizontal line, and the precision in calibration is ensured; when the calibration method is used specifically, one calibration hole 20 corresponds to one laser sensor, that is, laser emitted by two laser sensors is irradiated to the surface of the calibration main body 10 and passes through the corresponding calibration hole 20, and then the position and the installation angle of the laser sensor can be calibrated quickly by means of track detection software, and the specific calibration method is specifically set forth in the following using method.
In specific implementation, the distance between the two calibration holes 20 is, for example, 1.3m to 1.6m, and preferably, the distance between the two calibration holes 20 is set to be 1.5 m; therefore, the most accurate calibration effect can be achieved.
Meanwhile, in this embodiment, a calibration scale 30 and at least one calibration line 40 are disposed on the surface of the calibration main body 10, where each calibration hole 20 at least corresponds to one calibration scale 30, the arrangement direction of each calibration line 40 in the at least one calibration line 40 is the length direction, and each calibration line 40 passes through the two calibration holes 20; therefore, when the laser of the laser sensor passes through the calibration hole 20, the calibration scale 30 and the calibration line 40 can be used to quickly compare the relative position deviation of the two laser sensors in the track detection system, for example, the calibration line 40 is used to determine whether the laser emitted by the two laser sensors is aligned, and the calibration scale 30 is used to measure the laser emitting error of the two laser sensors.
Through the aforesaid explanation, the utility model discloses a set up laser sensor's special calibration structure, can realize laser sensor's high accuracy and mark to very big improvement mark the precision, in addition, the device easy operation need not unnecessary installation preparation work, single can accomplish and mark work, has not only reduced the human cost, has still improved and has markd efficiency.
Referring to fig. 1, in order to further improve the calibration accuracy and convenience, the present embodiment further includes the following structure:
first, three calibration lines 40 are provided on the surface of the calibration body 10, specifically, one calibration line 40 corresponds to each of the top end, the bottom end and the center of each calibration hole 20, as shown in fig. 1, so that the calibration accuracy can be further improved by providing three calibration lines 40.
Alternatively, for example, three calibration lines 40 extend from one end of the calibration body 10 to the other end, as shown in fig. 1.
Secondly, for example, the two calibration holes 20 are rectangular holes, and the rectangular holes can be matched with the calibration scale 30 for reading conveniently, so that the position of the laser sensor can be adjusted; meanwhile, in specific application, the calibration scale 30 is arranged along the width direction of the calibration hole 20, as shown in fig. 1, that is, the top end of the rectangular hole width side of the starting point of the calibration scale 30 is the top end of the rectangular hole width side, and the terminal end is the bottom end of the width side, so that the measurement personnel can conveniently read the calibration scale, and the calibration convenience is improved.
Optionally, for example, two width edges of each calibration hole 20 respectively correspond to one calibration scale 30, as shown in fig. 1, and the interval between the scale lines of the calibration scale 30 is set to be 1 mm.
Finally, this embodiment has still improved demarcation main part 10, adopts the rectangular pipe as demarcation main part 10 promptly, and the material adopts the aluminum alloy, and wherein, the appearance of rectangular pipe can fine compatible different on-the-spot environment of maring to avoid the not good problem of compatibility that traditional horizontal scaling exists, simultaneously, the aluminum alloy material weight is lighter, makes this calibration device be convenient for on-the-spot operation and carry.
Furthermore, the calibration body 10 is manufactured by cold working, so that the machining difficulty is reduced and the good economy is ensured.
In addition, since the minimum length required for calibration is 1.7m, the length of the calibration body 10 is limited to be at least 1.7m in the embodiment, so that the normal calibration and the precision of the laser sensor can be ensured, and the best calibration effect can be obtained.
The specific use method of the calibration device is given as follows:
the calibration device needs to be combined with track detection software, wherein the track detection software is as follows: the TrackGatherSystem (the software is a common software in the field of track detection, and is the prior art), and the specific calibration method is as follows:
parking the rail inspection vehicle to a section with the horizontal value of the steel rail being 0 (adopting a track gauge for confirmation);
horizontally and transversely placing the calibration main body 10 on a left steel rail and a right steel rail (the calibration main body 10 needs to be vertically placed with a left track and a right track, and a leveling rod is placed on the calibration main body 10 to ensure that the calibration main body 10 is horizontal), ensuring that laser emitted by a laser sensor can irradiate the surface of the calibration main body 10 and pass through a calibration hole 20, then opening a sensor calibration module in acquisition track detection software, and clicking to start calibration;
the calibration result is the installation angle between the left laser and the horizontal, the installation angle between the right laser and the horizontal and the distance between the left sensor and the right sensor.
And verifying the calibration result, taking the calibration main body 10 away, opening the static simulation calculation of the acquisition software, checking whether the track gauge value result is consistent with the track gauge value at the laser position, if not, re-calibrating, and adjusting by using the calibration scale 30 during calibration until the track gauge value result is consistent with the track gauge value at the laser position.
Through the aforesaid explanation, the utility model discloses the effective effect who obtains does:
(1) the utility model discloses a set up laser sensor's special calibration structure, can realize laser sensor's high accuracy and mark to very big improvement mark the precision, in addition, the device easy operation need not unnecessary installation preparation work, single can accomplish the work of maring, has not only reduced the human cost, has still improved calibration efficiency.
(2) The utility model discloses a mark the main part and be the rectangular pipe, the environment is markd to the scene that this appearance can be fine compatible difference, has improved the suitability that the device used, simultaneously, adopts the rectangular pipe to process for former material for the whole processing degree of difficulty is little, and assurance machining precision that can be better.
(3) The utility model discloses an aluminum alloy is main material, from this for this calibration device weight is lighter, the field operation of being convenient for and carry.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A quick calibration device suitable for track dynamic detection system, its characterized in that includes:
the calibration device comprises a calibration main body (10), wherein two calibration holes (20) are sequentially formed in the surface of the calibration main body (10) along the length direction, the centers of the two calibration holes (20) are positioned on the same straight line, and the surface where the two calibration holes (20) are positioned is a plane;
the surface of the calibration main body (10) is provided with calibration graduated scales (30), and each calibration hole (20) at least corresponds to one calibration graduated scale (30);
the surface of the calibration main body (10) is further provided with at least one calibration line (40), wherein the arrangement direction of each calibration line (40) in the at least one calibration line (40) is the length direction, and each calibration line (40) penetrates through the two calibration holes (20).
2. The rapid calibration device for the dynamic track detection system according to claim 1, wherein the surface of the calibration body (10) is provided with three calibration lines (40), and one calibration line (40) corresponds to the top end, the bottom end and the center of each calibration hole (20).
3. The rapid calibration device for the dynamic track detection system according to claim 1, wherein the two calibration holes (20) are rectangular holes, and the calibration scales (30) are disposed along the width direction of the calibration holes (20), and two width sides of each calibration hole (20) correspond to one calibration scale (30).
4. A rapid calibration device suitable for a track dynamic detection system according to claim 1, wherein the distance between the two calibration holes (20) is between 1.3m and 1.6 m.
5. A rapid calibration device suitable for a track dynamic detection system according to claim 4, wherein the spacing between the two calibration holes (20) is 1.5 m.
6. The rapid calibration device for the dynamic track detection system according to claim 1, wherein the calibration body (10) is a rectangular tube.
7. The rapid calibration device for the dynamic track detection system as claimed in claim 6, wherein the rectangular tube is an aluminum alloy tube.
8. A rapid calibration device suitable for a rail dynamic detection system according to claim 1, wherein the length of the calibration body (10) is at least 1.7 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199128.XU CN216745932U (en) | 2021-12-17 | 2021-12-17 | Quick calibration device suitable for track dynamic detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123199128.XU CN216745932U (en) | 2021-12-17 | 2021-12-17 | Quick calibration device suitable for track dynamic detection system |
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| Publication Number | Publication Date |
|---|---|
| CN216745932U true CN216745932U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123199128.XU Active CN216745932U (en) | 2021-12-17 | 2021-12-17 | Quick calibration device suitable for track dynamic detection system |
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| CN (1) | CN216745932U (en) |
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2021
- 2021-12-17 CN CN202123199128.XU patent/CN216745932U/en active Active
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