CN104236385B - Based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method - Google Patents
Based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method Download PDFInfo
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- CN104236385B CN104236385B CN201410453373.4A CN201410453373A CN104236385B CN 104236385 B CN104236385 B CN 104236385B CN 201410453373 A CN201410453373 A CN 201410453373A CN 104236385 B CN104236385 B CN 104236385B
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- cannon
- laser radar
- gyration
- radius
- pitch diameter
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Abstract
Based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method, belong to laser measurement field, based on laser radar technique, similar triangle theory is utilized to implement the indirect inspection cannon radius of gyration and pitch diameter in conjunction with based on the cannon radius of gyration of laser radar and pitch diameter checkout gear; Comprise rotation hand wheel, screw mandrel, turn, sleeve, locating piece, bullet block and laser radar and feeler gauge, rotation hand wheel is connected with screw mandrel; Screw mandrel is arranged on the inside of sleeve, coaxial with sleeve; Locating piece is positioned at the outside of sleeve, and locating piece is connected by turn with sleeve; Laser radar and feeler gauge are self-contained unit, to have worked in coordination detection with locating piece.The present invention accurately can measure the radius of gyration and the pitch diameter of cannon, and certainty of measurement can reach micron order, and certainty of measurement improves greatly, and structure of the detecting device is simple, and measuring process is simple, can promote the qualification test level of detectability and target range cannon.
Description
Technical field
The invention belongs to laser measuring technique field, particularly relate to a kind of laser radar that utilizes in conjunction with supporting aided measurement device, detect the cannon radius of gyration and pitch diameter.
Background technology
The radius of gyration of cannon and pitch diameter are the important overall mounting technology parameters of cannon, and being also the important parameter that firing table prepares that test participates in calculating, is therefore that cannon qualification test and firing table prepare the important parameter must measured in test.At present, the method for traditional measurement cannon pitch diameter and radius of gyration cannon is subject to the impact of meter ruler and cannon locus, and its certainty of measurement is very low.Also rest on the radius of gyration of cannon and the measurement of these two parameters of pitch diameter in the level of meter ruler measurement, certainty of measurement is lower.In recent years, due to the fast development of noncontact measurement, the new and high technologies such as laser radar achieve important breakthrough in solution Three dimensional Targets problem, but the device of existing noncontact measurement and measuring method all more complicated, and certainty of measurement can only reach grade.Therefore, need badly in the middle of prior art and a kind of novel technical scheme will solve this problem.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of cannon radius of gyration based on laser radar and pitch diameter checkout gear and method, utilize laser radar technique in conjunction with custom-designed checkout gear, accurately can measure the radius of gyration and the pitch diameter of cannon, certainty of measurement can reach micron order, certainty of measurement improves greatly, and structure of the detecting device is simple, measuring process is simple, can promote the qualification test level of detectability and target range cannon.
Based on the cannon radius of gyration and the pitch diameter checkout gear of laser radar, it is characterized in that: comprise rotation hand wheel, screw mandrel, turn, sleeve, locating piece, bullet block and laser radar and feeler gauge, described rotation hand wheel is connected with screw mandrel; Described screw mandrel is arranged on the inside of sleeve, coaxial with sleeve; Described locating piece is positioned at the outside of sleeve, and locating piece is connected by turn with sleeve; Described laser radar and feeler gauge are self-contained unit, to have worked in coordination detection with locating piece.
Based on the cannon radius of gyration and the pitch diameter detection method of laser radar, it is characterized in that: based on laser radar technique, utilize similar triangle theory to implement the indirect inspection cannon radius of gyration and pitch diameter in conjunction with based on the cannon radius of gyration of laser radar and pitch diameter checkout gear;
A. cannon to be measured is adjusted to vertical and horizontal level, two standard subsidiary steel balls are pasted at the axle sleeve two ends of feeler gauge, feeler gauge is put into gun barrel gun muzzle end, gun barrel inside is positioned over by based on the cannon radius of gyration of laser radar and pitch diameter checkout gear, laser radar is placed on by tested gun barrel, placing height flushes with gun barrel front end to be measured, laterally places distance and is no more than 10cm with gun barrel front end to be measured gun muzzle distance;
When b. measuring, regulate rotation hand wheel, drive screw mandrel to rotate, under the spring-force driven dual that turn produces, bullet block travels forward, and by locating piece jack-up, makes locating piece and gun barrel contact internal walls to be measured, now, the axis of cannon mouth feeler gauge and the dead in line of cannon to be measured, implement to measure;
C. measure after terminating, oppositely regulate rotation hand wheel, bullet block, under the restoring force effect of turn, slowly shrinks, and locating piece and gun barrel inwall to be measured depart from, and is taken out by feeler gauge, completes measurement.
By carrying out calculation process to the coordinate of mark steel ball, draw cannon pitch diameter and the radius of gyration.
The coordinate data of the standard subsidiary steel ball of described lidar measurement is three-dimensional data.
By above-mentioned design, the present invention can bring following beneficial effect: based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method, utilize laser radar technique in conjunction with custom-designed checkout gear, accurately can measure the radius of gyration and the pitch diameter of cannon, certainty of measurement can reach micron order, and certainty of measurement improves greatly, and structure of the detecting device is simple, measuring process is simple, can promote the qualification test level of detectability and target range cannon.Adopt gun muzzle feeler gauge to be combined with locating piece to measure, locating piece can directly and gun barrel inwall fit, the axis location precision surveyed is high, improves certainty of measurement; Adopt software to calculate to process the coordinate of the standard subsidiary steel ball of mark, pitch diameter and the radius of gyration of cannon can be calculated fast, save the time of data processing, improve operating efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is the cannon radius of gyration and the pitch diameter checkout gear general illustration that the present invention is based on laser radar.
Fig. 2 the present invention is based on the cannon radius of gyration of laser radar and the similar triangles Computing Principle schematic diagram of pitch diameter detection method.
Fig. 3 the present invention is based on the cannon radius of gyration of laser radar and the principle schematic of pitch diameter detection method.
Wherein 1-rotation hand wheel, 2-screw mandrel, 3-turn, 4-sleeve, 5-locating piece, 6-bullet block, 7-laser radar, 8-feeler gauge, 9-cannon, 10-standard subsidiary steel ball.
Detailed description of the invention
Based on the cannon radius of gyration and the pitch diameter checkout gear of laser radar, its structure is as shown in Figure 1: comprise rotation hand wheel 1, screw mandrel 2, turn 3, sleeve 4, locating piece 5, bullet block 6 and laser radar 7 and feeler gauge 8, described rotation hand wheel 1 is connected with screw mandrel 2; Described screw mandrel 2 is arranged on the inside of sleeve 4, coaxial with sleeve 4; Described locating piece 5 is positioned at the outside of sleeve 4, and locating piece 5 is connected by turn 3 with sleeve 4; Described laser radar 7 and feeler gauge 8 are self-contained unit, to have worked in coordination detection with locating piece 5.
Based on the cannon radius of gyration and the pitch diameter detection method of laser radar, as shown in Figures 2 and 3: based on laser radar technique, similar triangle theory is utilized to implement the indirect inspection cannon radius of gyration and pitch diameter in conjunction with based on the cannon radius of gyration of laser radar and pitch diameter checkout gear;
A. cannon to be measured is adjusted to vertical and horizontal level, two standard subsidiary steel balls 10 are pasted at the axle sleeve two ends of feeler gauge 8, feeler gauge 8 is put into gun barrel gun muzzle end, gun barrel inside is positioned over by based on the cannon radius of gyration of laser radar and pitch diameter checkout gear, laser radar 7 is placed on by tested gun barrel, placing height flushes with gun barrel front end to be measured, laterally places distance and is no more than 10cm with gun barrel front end to be measured gun muzzle distance;
When b. measuring, regulate rotation hand wheel 1, screw mandrel 2 is driven to rotate, under the spring-force driven dual that turn 3 produces, bullet block 6 travels forward, by locating piece 5 jack-up, make locating piece 5 and gun barrel contact internal walls to be measured, now, the axis of cannon mouth feeler gauge 8 and the dead in line of cannon to be measured, implement to measure;
C. measure after terminating, oppositely regulate rotation hand wheel 1, bullet block 6, under the restoring force effect of turn 3, slowly shrinks, and locating piece 5 and gun barrel inwall to be measured depart from, and are taken out by feeler gauge 8, complete measurement.
In measuring process, two the standard subsidiary steel balls 10 pasted at the axle sleeve two ends of cannon mouth feeler gauge 8, suppose that the standard subsidiary steel ball of wherein one end is G
1, the standard subsidiary steel ball of the other end is G
2, and make two standard subsidiary steel ball G
1and G
2line and the axis being parallel of feeler gauge 8, gun barrel laterally or is longitudinally turned an angle under level, measures two standard subsidiary steel ball G
1and G
2horizontal direction or vertical direction on displacement, and two standard subsidiary steel ball G
1and G
2between line distance.Suppose postrotational, two standard subsidiary steel ball G
1and G
2coordinate be G'
1and G'
2, according to similar triangle theory as shown in Figure 2, suppose that pitching and the centre of gyration are O, so can draw computing formula:
As shown in Figure 2, definition cannon pitch diameter and the radius of gyration are R, and the radius of definition standard subsidiary steel ball is r, so has formula:
R＝OG
2-r
Thus, the pitch diameter of cannon 9 and the radius of gyration can accurately draw.
Detection method in the present invention, as shown in Figure 3, when measuring, by all accurately leveling of cannon 9 vertical and horizontal, object is that the laser that laser radar 7 is sent can be irradiated on the standard subsidiary steel ball 10 that is placed on and the inner checkout gear of the present invention of cannon is arranged completely.Due to laser radar 7 measurement is three-dimensional data points, when regulating cannon, in horizontal direction, when not affecting laser radar 7 and irradiating, can there is inclination to a certain degree, can not affect the precision of last measurement result.
The present invention in the measurements, the coordinate of two standard subsidiary steel balls 10 is obtained by laser radar 7, cannon 9 barrel laterally or is longitudinally gone to less angle, again obtain the coordinate of two standard subsidiary steel balls 10, by two coordinate values that software process successively obtains, and according to formula, accurately calculate cannon pitch diameter and the radius of gyration.
Claims (4)
1. based on the cannon radius of gyration and the pitch diameter checkout gear of laser radar, it is characterized in that: comprise rotation hand wheel (1), screw mandrel (2), turn (3), sleeve (4), locating piece (5), bullet block (6) and laser radar (7) and feeler gauge (8), described rotation hand wheel (1) is connected with screw mandrel (2); Described screw mandrel (2) is arranged on the inside of sleeve (4), coaxial with sleeve (4); Described locating piece (5) is positioned at the outside of sleeve (4), and locating piece (5) is connected by turn (3) with sleeve (4); Described laser radar (7) and feeler gauge (8) are self-contained unit, to have worked in coordination detection with locating piece (5).
2. based on the cannon radius of gyration and the pitch diameter detection method of laser radar, it is characterized in that: based on laser radar technique, utilize similar triangle theory to implement the indirect inspection cannon radius of gyration and pitch diameter in conjunction with based on the cannon radius of gyration of laser radar and pitch diameter checkout gear;
A. cannon to be measured is adjusted to vertical and horizontal level, two standard subsidiary steel balls (10) are pasted at the axle sleeve two ends of feeler gauge (8), feeler gauge (8) is put into gun barrel gun muzzle end, gun barrel inside is positioned over by based on the cannon radius of gyration of laser radar and pitch diameter checkout gear, laser radar (7) is placed on by tested gun barrel, placing height flushes with gun barrel front end to be measured, laterally places distance and is no more than 10cm with gun barrel front end to be measured gun muzzle distance;
When b. measuring, regulate rotation hand wheel (1), screw mandrel (2) is driven to rotate, under the spring-force driven dual that turn (3) produces, bullet block (6) travels forward, by locating piece (5) jack-up, make locating piece (5) and gun barrel contact internal walls to be measured, now, the axis of cannon mouth feeler gauge (8) and the dead in line of cannon to be measured, implement to measure;
C. measure after terminating, reverse adjustment rotation hand wheel (1), bullet block (6) is under the restoring force effect of turn (3), slowly shrink, locating piece (5) and gun barrel inwall to be measured depart from, feeler gauge (8) is taken out, completes measurement.
3. the cannon radius of gyration based on laser radar according to claim 2 and pitch diameter detection method, is characterized in that: by carrying out calculation process to the coordinate of mark steel ball, draw cannon pitch diameter and the radius of gyration.
4. the cannon radius of gyration based on laser radar according to claim 2 and pitch diameter detection method, is characterized in that: the coordinate data of the standard subsidiary steel ball that described laser radar (7) is measured is three-dimensional data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410453373.4A CN104236385B (en) | 2014-09-09 | 2014-09-09 | Based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method |
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| CN201410453373.4A CN104236385B (en) | 2014-09-09 | 2014-09-09 | Based on the cannon radius of gyration of laser radar and pitch diameter checkout gear and method |
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| CN104236385B true CN104236385B (en) | 2015-11-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157474B (en) * | 2015-05-23 | 2016-11-30 | 中国人民解放军63853部队 | Cannon pitch diameter measuring method |
| CN105115448B (en) * | 2015-05-23 | 2017-12-08 | 中国人民解放军63853部队 | Cannon firing pin percussion mark eccentric measurement method |
| CN107655361B (en) * | 2017-09-28 | 2019-04-26 | 中国电子科技集团公司第三研究所 | A kind of cannon means for correcting installs fixture |
| CN113126119B (en) * | 2021-04-02 | 2023-01-24 | 上海机电工程研究所 | Fine positioning method, system and medium fusing point cloud data and machine vision |
| CN113790739A (en) * | 2021-09-17 | 2021-12-14 | 无锡市星迪仪器有限公司 | Device and method for calibrating aerial gun space attitude |
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|---|---|---|---|---|
| EP0577017A1 (en) * | 1992-06-27 | 1994-01-05 | DST Deutsche System-Technik GmbH | Device for testing the dynamic behaviour of guns |
| US5793484A (en) * | 1986-02-19 | 1998-08-11 | Delassaux; Jean-Marc | Optical device for the remote measuring of variations in the orientation of an object |
| CN102679812A (en) * | 2011-03-10 | 2012-09-19 | 王刚 | Laser diffraction type multi-system axis parallelism detecting device |
| CN203163599U (en) * | 2013-02-22 | 2013-08-28 | 中国兵器工业第二〇二研究所 | Device for measuring jumping parameters during artillery firing |
| CN203249598U (en) * | 2013-03-26 | 2013-10-23 | 中国兵器工业第二0二研究所 | Apparatus for measuring composite clearance of turret power train |
-
2014
- 2014-09-09 CN CN201410453373.4A patent/CN104236385B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793484A (en) * | 1986-02-19 | 1998-08-11 | Delassaux; Jean-Marc | Optical device for the remote measuring of variations in the orientation of an object |
| EP0577017A1 (en) * | 1992-06-27 | 1994-01-05 | DST Deutsche System-Technik GmbH | Device for testing the dynamic behaviour of guns |
| CN102679812A (en) * | 2011-03-10 | 2012-09-19 | 王刚 | Laser diffraction type multi-system axis parallelism detecting device |
| CN203163599U (en) * | 2013-02-22 | 2013-08-28 | 中国兵器工业第二〇二研究所 | Device for measuring jumping parameters during artillery firing |
| CN203249598U (en) * | 2013-03-26 | 2013-10-23 | 中国兵器工业第二0二研究所 | Apparatus for measuring composite clearance of turret power train |
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Granted publication date: 20151104 Termination date: 20160909 |