CN111551072B - Method for leading out axis of gun barrel - Google Patents
Method for leading out axis of gun barrel Download PDFInfo
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- CN111551072B CN111551072B CN202010363121.8A CN202010363121A CN111551072B CN 111551072 B CN111551072 B CN 111551072B CN 202010363121 A CN202010363121 A CN 202010363121A CN 111551072 B CN111551072 B CN 111551072B
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- tail
- total station
- target
- gun barrel
- gun
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A31/00—Testing arrangements
- F41A31/02—Testing arrangements for checking gun barrels
Abstract
The invention relates to a method for leading out an axis of a gun barrel, which comprises the following steps: s1, erecting a total station to aim at the axis of the gun barrel; s2, mounting a tail target at the tail of the gun barrel, and adjusting the elevation angle and the tail target position of the total station to aim the total station at the center of the tail target; s3, mounting a front target at the front part of the gun barrel, and adjusting the elevation angle and the front target position of the total station to aim the total station at the center of the front target; s4, carrying out data processing, and calculating a target elevation angle of the total station; s5, judging whether the altitude angle of the total station is the target altitude angle, if so, finishing the test, otherwise, repeating S3 and S4 until the precision test requirement is met. The method reduces the test complexity, improves the artillery gun adjustment detection efficiency and precision, improves the measurement precision of the gun barrel axis in various postures, and meets the high-precision extraction requirement on various artillery gun barrel axes.
Description
Technical Field
The invention belongs to the field of automatic artillery gun adjustment precision detection, and particularly relates to a method for leading out an axis of a gun barrel.
Background
The artillery adjusting precision can be used for checking the precision of an inertial navigation system, a follow-up system and the like in an artillery fire control system, and is one of key tactical indexes for judging whether a target can be hit or not when the artillery shoots. The common double-theodolite detection method is to stick a cross mark on the periphery of a gun barrel and then measure the cross mark so as to obtain the altitude angle and the azimuth angle of the gun axis. According to the method, due to the fact that the diameters of artillery bodies of different models are different, errors exist when the cross mark is pasted, the compensation method has high precision requirements for measuring the cross mark and the axis error, and the testing method is complex. Therefore, a marking method capable of directly representing the axis of the gun barrel is urgently needed, and the marking method can be used as a reference for measuring the axis of the gun barrel on any artillery.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the gun barrel axis leading-out method which can reduce the complexity of testing, improve the gun adjustment and detection efficiency and precision of the gun, improve the measurement precision of the gun barrel axis in various postures and meet the high-precision leading-out requirement of various gun barrel axes.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for leading out the axis of a gun barrel is characterized by comprising the following steps:
s1 erecting a total station aiming gun barrel axis
Erecting and leveling a total station near the extension line position of the axis of the gun barrel in front of the gun muzzle, observing the connection line position of the cross center of the gun muzzle and the gun tail pin hole, enabling the center of the total station to coincide with the axis of the gun barrel by adjusting the azimuth angle and the elevation angle of the gun, and measuring the inclination angle alpha of the axis of the gun barrel relative to the horizontal plane by the total station1And setting the horizontal angle to zero;
s2 mounting tail target at tail of gun barrel and measuring
The tail target consists of a tail magnetic base and a tail target plate supported on the tail magnetic base, a reflector plate is adhered to the center of the tail target plate, the tail magnetic base is fixedly absorbed on the pipe wall of the tail part of the gun barrel, and the tail target plate can be adjusted horizontally and vertically; the total station only carries out elevation angle adjustment at the moment, and the center of the total station is aligned with the center of the tail target through mounting and adjusting the tail target plate at the gun tail; the total station measures the tail target slant distance L1 and the inclination angle alpha relative to the horizontal plane by using a distance measuring mode2；
S3 mounting a front target at the front of the gun barrel and measuring
The front target consists of a front magnetic base and a front target plate supported on the front magnetic base, a reflector plate is adhered to the center of the front target plate, the front magnetic base is fixedly absorbed on the pipe wall of the front part of the gun barrel, and the front target plate can be adjusted horizontally and vertically; the total station only adjusts the elevation angle at the moment, the center of the total station is aligned with the center of the front target by installing and adjusting the front target plate in the front of the gun barrel, and the total station measures the inclination distance L2 of the front target and the inclination angle alpha relative to the horizontal plane by using a distance measuring mode3；
S4 calculating target elevation angle of total station
Calculating the inclination angle A of the total station required to be adjusted relative to the horizontal plane by the following formula (1)3：
In the formula:
l1 — tail target skew distance;
l2 — front target skew;
α1-inclination of the axis of the barrel with respect to the horizontal;
α2-tail target inclination with respect to horizontal;
A3-the tilt angle to the horizontal to be adjusted of the total station;
will calculate a value A3At a horizontal angle alpha with the current total station3And comparing, and repeating the third step and the fourth step until the difference value of the two angles meets the precision test requirement, namely:
|A3-α3|<θ (2)
in the formula:
theta-precision test requirements.
The invention has the advantages and positive effects that:
1. according to the invention, the two targets with the adjustable magnetic bases are erected above the gun barrel, the total station is adopted to measure the axis of the gun barrel, and the distance measuring function of the total station is utilized to calculate and adjust the central positions of the two targets, so that the connecting line of the two points is parallel to the axis of the gun barrel, and a high-precision gun barrel axis detection reference is provided for a gun barrel pointing measurement system.
2. The invention solves the problem of leading out the axis of the gun barrel in the existing detection of gun adjustment precision of the artillery, improves the measurement precision of the axis of the gun barrel in various postures, and meets the high-precision leading-out requirement of the axis of the gun barrel of various artillery. Compared with the method of labeling the gun body in the prior art, the method has the advantages that the complexity of the testing method is reduced, and the gun adjustment detection efficiency and precision are improved.
Drawings
FIG. 1 is a flow chart of the axis extraction method of the gun barrel according to the invention;
FIG. 2 is a schematic view of mounting targets.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention is not limited thereto.
A method for extracting the axis of a gun barrel, as shown in fig. 1-2, comprising the following steps:
s1 erecting a total station aiming gun barrel axis
Erecting and leveling a total station 1 at a position close to an axis extension line of a gun barrel 5 in front of a gun muzzle, observing a connecting line position of a cross center 6 of the gun muzzle and a gun tail pinhole 4, enabling the center of the total station to coincide with a gun barrel axis 7 by adjusting an azimuth angle and a loft angle of an artillery, and measuring an inclination angle alpha of the gun barrel axis relative to a horizontal plane 8 by the total station1And the horizontal angle is set to zero.
S2 mounting tail target at tail of gun barrel and measuring
Afterbody mark target 3 comprises afterbody magnetism base and afterbody mark target board, and the reflector plate is pasted at afterbody mark target board center, and afterbody magnetism base is inhaled admittedly on the pipe wall of gun barrel afterbody, and afterbody mark target board can carry out level and height adjustment, can adopt but not limited mode be: the base plate is fixedly installed at the upper end of the tail magnetic base through screws, the screw holes in the base plate are long round holes, the direction of the long round holes is perpendicular to the axis direction of the gun barrel, the supporting rods extending upwards are connected to the base plate in an inserted mode, the upper end portions of the supporting rods are installed on the tail target plate, the height position of the tail target plate is adjusted through the insertion depth of the supporting rods, and the horizontal position of the tail target plate is adjusted through the change of the connecting position of the base plate and the tail magnetic base. The total station only carries out elevation angle adjustment at the moment, and the center of the total station is aligned with the center of the tail target through mounting and adjusting the tail target plate at the gun tail; the total station measures the tail target slant distance L1 and the inclination angle alpha relative to the horizontal plane by using a distance measuring mode2。
S3 mounting a front target at the front of the gun barrel and measuring
The front target consists of a front magnetic base and a front target plate, a reflector plate is adhered to the center of the front target plate, the front magnetic base is fixedly absorbed on the pipe wall of the front part of the gun barrel, the front target plate can be adjusted horizontally and vertically, and the adjustment mode of the front target plate refers to the adjustment mode of the tail target plate; the total station only adjusts the elevation angle at the moment, the center of the total station is aligned with the center of the front target by installing and adjusting the front target plate in the front of the gun barrel, and the total station measures the inclination distance L2 and the relative distance L2 of the front target in a distance measuring modeInclination angle alpha in horizontal plane3；
S4 calculating target elevation angle of total station
Calculating the inclination angle A of the total station required to be adjusted relative to the horizontal plane by the following formula (1)3：
In the formula:
l1 — tail target skew distance;
l2 — front target skew;
α1-inclination of the axis of the barrel with respect to the horizontal;
α2-tail target inclination with respect to horizontal;
A3-the tilt angle to the horizontal to be adjusted of the total station;
will calculate a value A3At a horizontal angle alpha with the current total station3And comparing, and repeating the third step and the fourth step until the difference value of the two angles meets the precision test requirement, namely:
|A3-α3|<θ (2)
in the formula:
theta-precision testing requirement, wherein the value of theta is an indeterminate value and is set according to different actual testing requirements.
According to the method, a single total station is used as an aiming instrument, so that a connecting line of two targets erected above a gun barrel is parallel to the axis of the gun barrel, and the direction of the gun barrel is convenient to measure under the shooting condition. The method has the advantages of less used instruments, convenient and quick operation, no need of leveling operation and the like of the gun carriage, higher precision, reduction of the complexity of the test method, improvement of the gun adjustment detection efficiency and precision, and important practical significance.
Although the embodiments and figures of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and figures.
Claims (1)
1. A method for leading out the axis of a gun barrel is characterized by comprising the following steps:
s1 erecting a total station aiming gun barrel axis
Erecting and leveling a total station near the extension line position of the axis of the gun barrel in front of the gun muzzle, observing the connection line position of the cross center of the gun muzzle and the gun tail pin hole, enabling the center of the total station to coincide with the axis of the gun barrel by adjusting the azimuth angle and the elevation angle of the gun, and measuring the inclination angle alpha of the axis of the gun barrel relative to the horizontal plane by the total station1And setting the horizontal angle to zero;
s2 mounting tail target at tail of gun barrel and measuring
The tail target consists of a tail magnetic base and a tail target plate supported on the tail magnetic base, a reflector plate is adhered to the center of the tail target plate, the tail magnetic base is fixedly absorbed on the pipe wall of the tail part of the gun barrel, and the tail target plate can be adjusted horizontally and vertically; the total station only carries out elevation angle adjustment at the moment, and the center of the total station is aligned with the center of the tail target through mounting and adjusting the tail target plate at the gun tail; the total station measures the tail target slant distance L1 and the inclination angle alpha relative to the horizontal plane by using a distance measuring mode2；
S3 mounting a front target at the front of the gun barrel and measuring
The front target consists of a front magnetic base and a front target plate supported on the front magnetic base, a reflector plate is adhered to the center of the front target plate, the front magnetic base is fixedly absorbed on the pipe wall of the front part of the gun barrel, and the front target plate can be adjusted horizontally and vertically; the total station only adjusts the elevation angle at the moment, the center of the total station is aligned with the center of the front target by installing and adjusting the front target plate in the front of the gun barrel, and the total station measures the inclination distance L2 of the front target and the inclination angle alpha relative to the horizontal plane by using a distance measuring mode3；
S4 calculating target elevation angle of total station
Calculating the inclination angle A of the total station required to be adjusted relative to the horizontal plane by the following formula (1)3：
In the formula:
l1 — tail target skew distance;
l2 — front target skew;
α1-inclination of the axis of the barrel with respect to the horizontal;
α2-tail target inclination with respect to horizontal;
A3-the tilt angle to the horizontal to be adjusted of the total station;
will calculate a value A3At a horizontal angle alpha with the current total station3And comparing, and repeating the third step and the fourth step until the difference value of the two angles meets the precision test requirement, namely:
|A3-α3|<θ (2)
in the formula:
theta-precision test requirements.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010363121.8A CN111551072B (en) | 2020-04-30 | 2020-04-30 | Method for leading out axis of gun barrel |
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| CN111551072B true CN111551072B (en) | 2022-04-12 |
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| CN113390289A (en) * | 2021-07-05 | 2021-09-14 | 新乡北方车辆仪表有限公司 | General detection and non-contact measurement method and system for adjusting gun of multi-caliber gun barrel |
| CN114281112B (en) * | 2021-12-24 | 2023-08-15 | 中国人民解放军陆军工程大学 | Device and method for measuring space angle of gun barrel based on photoelectric tracking |
| CN115111963A (en) * | 2022-08-12 | 2022-09-27 | 中国人民解放军陆军工程大学 | Test system and test method for measuring absolute orientation of barrel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018258A1 (en) * | 1990-05-19 | 1991-11-28 | Kabushiki Kaisha Topcon | Method of tridimensional measuring, reference scale and self-illuminating reference scale for tridimensional measuring |
| EP2240740A1 (en) * | 2008-02-12 | 2010-10-20 | Trimble AB | Localization of a surveying instrument in relation to a ground mark |
| CN105651169A (en) * | 2016-01-13 | 2016-06-08 | 袁建虎 | Precision detection method of mine laying and sweeping and obstacle breaching equipment direction finder based on total station |
| CN107621254A (en) * | 2017-09-10 | 2018-01-23 | 谢杰涛 | A kind of barrel axis points to method of testing |
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2020
- 2020-04-30 CN CN202010363121.8A patent/CN111551072B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991018258A1 (en) * | 1990-05-19 | 1991-11-28 | Kabushiki Kaisha Topcon | Method of tridimensional measuring, reference scale and self-illuminating reference scale for tridimensional measuring |
| EP2240740A1 (en) * | 2008-02-12 | 2010-10-20 | Trimble AB | Localization of a surveying instrument in relation to a ground mark |
| CN105651169A (en) * | 2016-01-13 | 2016-06-08 | 袁建虎 | Precision detection method of mine laying and sweeping and obstacle breaching equipment direction finder based on total station |
| CN107621254A (en) * | 2017-09-10 | 2018-01-23 | 谢杰涛 | A kind of barrel axis points to method of testing |
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