CN113390289A - General detection and non-contact measurement method and system for adjusting gun of multi-caliber gun barrel - Google Patents
General detection and non-contact measurement method and system for adjusting gun of multi-caliber gun barrel Download PDFInfo
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- CN113390289A CN113390289A CN202110756703.7A CN202110756703A CN113390289A CN 113390289 A CN113390289 A CN 113390289A CN 202110756703 A CN202110756703 A CN 202110756703A CN 113390289 A CN113390289 A CN 113390289A
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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 provides a general detection and non-contact measurement method and system for adjusting a gun of a multi-caliber gun barrel, wherein the method comprises the following steps: establishing a spatial coordinate relationship; calibrating the position of the axis of the gun barrel in a space coordinate system; adjusting the direction of the gun barrel, and obtaining a coincidence line, namely the direction information of the gun barrel in a space coordinate system according to the coincidence plane and the reference relationship between the coincidence plane and the coincidence line; and adjusting the parameter information of the gun barrel according to the pointing information of the gun barrel in the space coordinate system. Adopt three theodolite detection schemes, need not to carry out any change to original gun barrel in the use, only need paste the cross mark at the gun barrel lateral wall can, compare in modes such as traditional gun barrel and install target plate, clamp fixture additional, can not cause secondary damage to former gun barrel, and because of target plate, clamp fixture self weight rotate the error that the in-process brought into to gun barrel and carried out effectual avoiding, promoted the inspection precision by a wide margin.
Description
Technical Field
The invention relates to the technical field of artillery precision debugging, in particular to a general artillery debugging detection and non-contact measurement method and system for a multi-caliber artillery 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.
CN 111551072A-a method for leading out the axis of a gun barrel, which discloses that the axis of the gun barrel of an artillery is led out according to the elevation angle of the gun barrel by using two-point targets at the front end and the tail end of the gun barrel and a total station, thereby realizing gun adjustment. However, after the axis of the gun barrel is confirmed, when the lifting angle or the deflection angle of the gun barrel is tested, the gun body can be shielded between the target and the total station, so that the confirmation of the total station on the position of the target is influenced; in addition, when longer gun barrel lifted up, because gun barrel self weight can make the gun barrel take place small deformation, and then make two mark targets and axis contained angle take place small change, because the distance that the target was hit to the gun is far away, can make because of the error that the gun barrel change produced is enlargied, and then influences the inspection precision. Therefore, a scheme for better confirming the axis of the gun barrel and improving the gun adjustment precision is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a general gun adjustment detection and non-contact measurement method and system for a multi-caliber gun barrel.
The general detection and non-contact measurement method for adjusting the gun of the multi-caliber gun barrel comprises the following steps:
step 1, establishing a spatial coordinate relationship:
step 1.1: erecting a first theodolite right in front of or right behind the gun barrel, installing a first north measuring instrument on the first theodolite, and erecting a second north measuring instrument at a position which is fifty meters away from the first north measuring instrument; moving the first north measuring instrument to enable a connecting line of the first north measuring instrument and the second north measuring instrument to be coincident with the north direction;
step 1.2: erecting a second theodolite and a third theodolite at a position which is three meters away from the gun barrel, wherein the second theodolite and the third theodolite are respectively arranged in one-to-one correspondence with the end part of the gun barrel end and the end part of the gun body end of the gun barrel;
step 1.3: acquiring coordinate points of the first theodolite, the second theodolite and the third theodolite, constructing a space coordinate system by taking the coordinate points of the second theodolite or the third theodolite as an origin, and taking a straight line passing through the second theodolite and the third theodolite as an X axis of the space coordinate system; acquiring coordinate points of the first north measuring instrument and the second north measuring instrument, and taking a connecting line between the first north measuring instrument and the second north measuring instrument as a north information vector of the space coordinate system;
step 2.1: three cross marks are stuck on the side surfaces of the end part of the gun muzzle end and the end part of the gun tail end of the gun barrel, connecting lines among the three cross marks form a triangular structure, and the three cross marks, the second theodolite and the third theodolite are positioned on the same side of the gun barrel;
step 2.2: adjusting a gun barrel, penetrating and aiming the axis of the gun barrel through a first theodolite, and obtaining a coincidence line of the axis of the gun barrel in the space coordinate system according to the pointing parameters of the first theodolite; simultaneously, aiming the three cross cursors through the second theodolite and the third theodolite, and obtaining coordinates of the three cross cursors in the space coordinate system according to intersection points of pointing parameters of the second theodolite and the third theodolite so as to obtain a coincidence plane of the triangular structure in the space coordinate system;
step 2.3: calculating to obtain a reference relation between the coincidence plane and the coincidence line;
step 3, adjusting the direction of the gun barrel, and obtaining the coincidence line, namely the direction information of the gun barrel in the space coordinate system and the striking azimuth information in the space according to the north information vector, the coincidence plane and the reference relation between the coincidence plane and the coincidence line;
and 4, step 4: and adjusting the parameter information of the gun barrel according to the pointing information of the gun barrel in the space coordinate system.
Further: and 5: setting a target position and calculating to obtain a theoretical superposed surface position, inputting an instruction of reaching the target position to enable a gun barrel to automatically adjust and point, measuring an actual superposed surface position corresponding to the actual reached position of the gun barrel, and comparing the actual superposed surface position with the theoretical superposed surface position, thereby measuring the gun adjustment precision of the gun barrel.
Further: in step 2.2, when the first warp gauge is penetrated and aimed at the axis of the gun barrel, according to the type of the tested gun barrel, a cross line is pasted on the muzzle or the tail end surface of the gun barrel, the center of the cross line is coincided with the axis of the gun barrel, if the cross line is positioned on the muzzle end surface of a grenade or the tail end surface of a box-type rocket gun, a direction machine and a height machine of the gun barrel are rotated, so that the optical axis of the first warp gauge is coincided with the cross line center and the center of a firing pin hole of the gun barrel, and a firing pin on the gun barrel is detached, so that the firing pin hole is exposed.
Further: when not containing the pinhole on the gun barrel install the check frock additional in the gun barrel set up the check hole on the check frock and make the center in check hole is located on the axis of gun barrel, for example rocket gun, this moment, make the optical axis of first theodolite with the cross line center, the check hole center coincidence of gun barrel.
General detection of accent big gun of many calibers gun barrel and non-contact measurement system includes:
the first warp-weft gauge is positioned right in front of or right behind the gun barrel;
the second theodolite and the third theodolite are positioned on the same side of the gun barrel and respectively correspond to the end part of the gun barrel at the gun barrel opening end and the end part of the gun barrel tail end one by one;
the three targets are respectively adhered to the side surfaces of the end part of the gun barrel at the gun barrel opening end and the end part of the gun tail end, and connecting lines among the three targets form a triangular structure and are positioned on the same side of the gun barrel with the second theodolite and the third theodolite;
the first north measuring instrument is arranged on the first theodolite;
the second north measuring instrument is arranged at a position which is more than fifty meters away from the first north measuring instrument;
and the data processing terminal is used for acquiring and processing data.
Further: the data processing terminal comprises an outdoor handheld data processing terminal and an indoor notebook, and the handheld data processing terminal and the notebook are used for automatically acquiring angle data and satellite north data sent by a theodolite, completing pointing calculation and outputting measurement results.
Further: and the distance between the second theodolite and the third theodolite and the gun barrel is more than three meters.
Further: a cross line is arranged on the section of the muzzle end or the section of the muzzle end of the gun barrel, and the center of the cross line is positioned on the axis of the gun barrel; the gun barrel is provided with a shooting hole which is positioned on the axis of the gun barrel.
Further: the gun barrel is a rocket tube, a calibration tool is fixedly arranged in the middle of the rocket tube, and the center of a calibration hole formed by the calibration tool is located on the axis of the rocket tube.
The invention has the beneficial effects that: 1. adopt three theodolite detection schemes, need not to carry out any change to original gun barrel in the use, only need paste the cross mark at the gun barrel lateral wall can, compare in modes such as traditional gun barrel and install target plate, clamp fixture additional, can not cause secondary damage to former gun barrel, and because of target plate, clamp fixture self weight rotate the error that the in-process brought into to gun barrel and carried out effectual avoiding, promoted the inspection precision by a wide margin.
2. On the basis of a mathematical theory, a line surface is solved as a main model in a space in the detection process, so that errors caused by the deformation of a gun barrel due to different actual gun barrel lifting positions of a similar line solving model are effectively solved, the gun barrel can be detected in a full posture, and the problem that the line solving model cannot be detected in a high-angle state (namely the gun barrel is lifted by more than 50 degrees) is solved; in addition, the spatial coordinates of the three cross marks are confirmed through the combined action of the two theodolites, so that the axis direction of the gun barrel is analyzed, the calculation process is simplified through the point picking of the two theodolites, and the influence of the gun barrel on the overlapped surface is small in the gun adjusting process, so that the precision of the axis direction of the gun barrel is improved.
3. Due to the effects of the first north measuring instrument and the second north measuring instrument, the gun barrel automatic orientation device has an automatic orientation function, can provide accurate absolute orientation for the gun barrel under the detection working condition without the help of external orientation equipment, reduces the related working difficulty of BD geodetic teams, and improves the inspection efficiency.
4. According to the scheme, a three-theodolite inspection method is adopted, repeated movement and transformation are not needed after the station is erected, and manual operation errors caused by equipment movement in detection methods such as a double-theodolite and a total station are effectively avoided.
Drawings
FIG. 1 is a schematic diagram of a system layout according to the present invention;
FIG. 2 is a schematic diagram of the theodolite, the north measuring instrument and the proposed spatial coordinate system of the present invention;
fig. 3 is a schematic diagram of the principle of correlation detection in the measurement process of the present invention.
In the figure, 1, a gun barrel; 2. a cross mark; 31. a first warp and weft gauge; 32. a second theodolite; 33. a third theodolite; 41. a first north measuring instrument; 42. and a second north measuring instrument.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention. The terms of orientation such as left, center, right, up, down, etc. in the examples of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
The general detection and non-contact measurement method for adjusting the gun of the multi-caliber gun barrel comprises the following steps:
step 1, establishing a spatial coordinate relationship:
step 1.1: erecting a first theodolite right in front of or right behind the gun barrel, installing a first north measuring instrument on the first theodolite, and erecting a second north measuring instrument at a position which is fifty meters away from the first north measuring instrument; moving the first north measuring instrument to enable a connecting line of the first north measuring instrument and the second north measuring instrument to be coincident with the north direction;
step 1.2: erecting a second theodolite and a third theodolite at a position which is three meters away from the gun barrel, wherein the second theodolite and the third theodolite are respectively arranged in one-to-one correspondence with the end part of the gun barrel end and the end part of the gun body end of the gun barrel;
step 1.3: acquiring coordinate points of the first theodolite, the second theodolite and the third theodolite, constructing a space coordinate system by taking the coordinate points of the second theodolite or the third theodolite as an original point, taking a straight line passing through the second theodolite and the third theodolite as an X axis of the space coordinate system, and setting a connecting line between the second theodolite and the third theodolite in parallel with the axis of the gun barrel when the gun barrel is at a zero position; acquiring coordinate points of the first north measuring instrument and the second north measuring instrument, and taking a connecting line between the first north measuring instrument and the second north measuring instrument as a north information vector of the space coordinate system;
step 2.1: sticking three cross marks on the side surfaces of the end part of the gun muzzle end and the end part of the gun tail end of the gun barrel, specifically, arranging two cross marks at the end part of the gun muzzle end in parallel up and down, arranging one cross mark at the end part of the gun tail end, and enabling connecting lines among the three cross marks to form a triangular structure, wherein the three cross marks, the second theodolite and the third theodolite are positioned on the same side of the gun barrel;
step 2.2: adjusting a gun barrel, penetrating and aiming the axis of the gun barrel through a first theodolite, and obtaining a coincidence line of the axis of the gun barrel in the space coordinate system according to the pointing parameters of the first theodolite; simultaneously, aiming the three cross cursors through the second theodolite and the third theodolite, and obtaining coordinates of the three cross cursors in the space coordinate system according to intersection points of pointing parameters of the second theodolite and the third theodolite so as to obtain a coincidence plane of the triangular structure in the space coordinate system;
step 2.3: calculating to obtain a reference relation between the coincidence plane and the coincidence line;
step 3, adjusting the direction of the gun barrel, and obtaining the coincidence line, namely the direction information of the gun barrel in the space coordinate system and the striking azimuth information in the space according to the north information vector, the coincidence plane and the reference relation between the coincidence plane and the coincidence line;
and 4, step 4: and adjusting the parameter information of the gun barrel according to the pointing information of the gun barrel in the space coordinate system.
And 5: setting a target position and calculating to obtain a theoretical superposed surface position, inputting an instruction of reaching the target position to enable a gun barrel to automatically adjust and point, measuring an actual superposed surface position corresponding to the actual reached position of the gun barrel, and comparing the actual superposed surface position with the theoretical superposed surface position, thereby measuring the gun adjustment precision of the gun barrel.
In step 2.2, when the first warp gauge is penetrated and aimed the axis of barrel, according to surveyed barrel type the cross line is pasted and is made to the muzzle or the tail end face of barrel the center of cross line with the axis coincidence of barrel, be located the muzzle terminal surface of grenade or the tail end face of box rocket gun like the cross line, rotate the direction machine and the height machine of barrel for the optical axis of first warp gauge with the cross line center of barrel, the coincidence of shot-hole center, dismantle the firing pin on the barrel, thereby expose the shot-hole. When not containing the pinhole on the gun barrel install the check frock additional in the gun barrel set up the check hole on the check frock and make the center in check hole is located on the axis of gun barrel, for example rocket gun, this moment, make the optical axis of first theodolite with the cross line center, the check hole center coincidence of gun barrel.
General detection of accent big gun of many calibers gun barrel and non-contact measurement system includes:
the first warp-weft gauge is positioned right in front of or right behind the gun barrel;
the second theodolite and the third theodolite are positioned on the same side of the gun barrel and respectively correspond to the end part of the gun barrel at the gun barrel opening end and the end part of the gun barrel tail end one by one;
the three targets are respectively adhered to the side surfaces of the end part of the gun barrel at the gun barrel opening end and the end part of the gun tail end, and connecting lines among the three targets form a triangular structure and are positioned on the same side of the gun barrel with the second theodolite and the third theodolite;
the first north measuring instrument is arranged on the first theodolite;
the second north measuring instrument is arranged at a position which is more than fifty meters away from the first north measuring instrument;
and the data processing terminal is used for acquiring and processing data.
Wherein, when the barrel is in the zero-bit, the line between second theodolite and the third theodolite with the axis parallel arrangement of barrel, data processing terminal is including being used for outdoor hand-held type data processing terminal and being used for indoor notebook, hand-held type data processing terminal and notebook all are used for angle data, satellite northbound data, completion directional solution and output measurement result that the automatic acquisition theodolite sent. And the distance between the second theodolite and the third theodolite and the gun barrel is more than three meters. A cross line is arranged on the section of the muzzle end or the section of the muzzle end of the gun barrel, and the center of the cross line is positioned on the axis of the gun barrel; the gun barrel is provided with a shooting hole which is positioned on the axis of the gun barrel. The gun barrel is a rocket tube, a calibration tool is fixedly arranged in the middle of the rocket tube, and the center of a calibration hole formed by the calibration tool is located on the axis of the rocket tube.
Compared with the prior art:
1. the scheme of the application detects the detection target which mainly uses the rotation angle of the gun barrel, and the non-contact measurement is adopted, so that the secondary error caused by the fact that the gun barrel is additionally arranged on equipment can be avoided. The gun barrel is after leaving the factory, and its self weight is certain, and the load that two slewing mechanism of height machine, position machine can drive is certain, if artificially installs target plate, clamp fixture additional at the gun barrel and can increase gun barrel weight to lead to the gun barrel to transfer the position and have the deviation, this error volume is because of installing the instrument nonconformity additional, so can't effectively eliminate.
2. The line-surface model is that three points are adopted to determine a plane, a firepower axis is determined after a gun barrel is penetrated, so that the relative position of a line and a surface is determined, and the spatial included angle position relation of the plane and the line in a high-low state does not fluctuate along with the sagging of the gun barrel. The line model is a line marked on a space by a double target plate or other modes, and the relative position of the line and a firepower axis causes the line to have high sensitivity of changing posture due to the lifting of a gun barrel, thereby influencing the change of the relative position relation between the firepower axis and the line. Therefore, the line is measured in the high-angle state by adopting the method, and the phenomenon that the measured value is inconsistent with the actual true value is solved according to the calibrated space relative position in the low-angle state. Similarly, the calibration is performed in the high angle state, the measurement in the low angle state is also unavoidable, and the error value cannot be equalized due to different positions.
3. At present, the artillery in China is divided into two systems of equipment with inertial navigation positioning and non-inertial navigation positioning, and the direction plotting of a special geodesic direction-finding team group in a shooting position is needed when no inertial navigation positioning equipment is used for field battles, so that the process is very complicated. The equipment with inertial navigation positioning also needs to calibrate parameters such as inertial navigation positioning and the like in daily life, so the system can complete the function due to the existence of the north measuring instrument.
4. The two theodolite schemes need to be provided with one theodolite for 'penetrating and aiming' operation, namely, threading is carried out at a gun muzzle, so that the theodolite can move, the theodolite is required to be adopted to participate in observing and aiming at one side of a gun body after penetrating and aiming, so that secondary movement is carried out, the position before and after movement can not be accurately ensured to be consistent by twice movement, and the error of the measurement precision is large.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The general detection and non-contact measurement method for adjusting the gun of the multi-caliber gun barrel is characterized by comprising the following steps of:
step 1, establishing a spatial coordinate relationship:
step 1.1: erecting a first theodolite right in front of or behind the gun barrel
Step 1.2: erecting a second theodolite and a third theodolite at a position which is three meters away from the gun barrel, wherein the second theodolite and the third theodolite are respectively arranged in one-to-one correspondence with the end part of the gun barrel end and the end part of the gun body end of the gun barrel;
step 1.3: acquiring coordinate points of the first theodolite, the second theodolite and the third theodolite, constructing a space coordinate system by taking the coordinate points of the second theodolite or the third theodolite as an origin, and taking a straight line passing through the second theodolite and the third theodolite as an X axis of the space coordinate system;
step 2, calibrating the position of the axis of the gun barrel in the space coordinate system:
step 2.1: three cross marks are stuck on the side surfaces of the end part of the gun muzzle end and the end part of the gun tail end of the gun barrel, connecting lines among the three cross marks form a triangular structure, and the three cross marks, the second theodolite and the third theodolite are positioned on the same side of the gun barrel;
step 2.2: adjusting a gun barrel, penetrating and aiming the axis of the gun barrel through a first theodolite, and obtaining a coincidence line of the axis of the gun barrel in the space coordinate system according to the pointing parameters of the first theodolite; simultaneously, aiming the three cross cursors through the second theodolite and the third theodolite, and obtaining coordinates of the three cross cursors in the space coordinate system according to intersection points of pointing parameters of the second theodolite and the third theodolite so as to obtain a coincidence plane of the triangular structure in the space coordinate system;
step 2.3: calculating to obtain a reference relation between the coincidence plane and the coincidence line;
step 3, adjusting the direction of the gun barrel, and obtaining the coincidence line, namely the direction information of the gun barrel in the space coordinate system according to the coincidence plane and the reference relationship between the coincidence plane and the coincidence line;
and 4, step 4: and adjusting the parameter information of the gun barrel according to the pointing information of the gun barrel in the space coordinate system.
2. The general artillery-adjusting detection and non-contact measurement method for the artillery tube of the multi-caliber artillery according to claim 1, characterized in that: installing a first north measuring instrument on the first warp knitting instrument, and erecting a second north measuring instrument at a position which is fifty meters away from the first north measuring instrument; moving the first north measuring instrument to enable a connecting line of the first north measuring instrument and the second north measuring instrument to be coincident with the north direction; and acquiring coordinate points of the first north measuring instrument and the second north measuring instrument, taking a connecting line between the first north measuring instrument and the second north measuring instrument as a north information vector of the space coordinate system, and acquiring the coincidence line, namely the direction information of the gun barrel in the space coordinate system and the hitting azimuth information in space according to the north information vector, the coincidence plane and the reference relationship between the coincidence plane and the coincidence line.
3. The general artillery tuning detection and non-contact measurement method for the artillery barrel of a multi-caliber artillery according to claim 1 or 2, characterized in that: and 5: setting a target position and calculating to obtain a theoretical superposed surface position, inputting an instruction of reaching the target position to enable a gun barrel to automatically adjust and point, measuring an actual superposed surface position corresponding to the actual reached position of the gun barrel, and comparing the actual superposed surface position with the theoretical superposed surface position, thereby measuring the gun adjustment precision of the gun barrel.
4. The general artillery tuning detection and non-contact measurement method for the artillery barrel of a multi-caliber artillery according to claim 1 or 2, characterized in that: in the step 2.2, when the first warp-weft gauge is used for penetrating and aiming the axis of the gun barrel, a cross line is pasted on the muzzle or the tail end face of the gun barrel, the center of the cross line is enabled to be coincident with the axis of the gun barrel, and the direction machine and the height machine of the gun barrel are rotated, so that the optical axis of the first warp-weft gauge is enabled to be coincident with the center of the cross line and the center of a pinhole.
5. The general artillery-adjusting detection and non-contact measurement method for the artillery tube of the multi-caliber artillery according to claim 4, characterized in that: work as when not containing the pinhole on the barrel install the check frock additional in the barrel set up the check hole on the check frock and make the center in check hole is located on the axis of barrel, at this moment, make the optical axis of first theodolite with the cross center of barrel, check hole center coincide.
6. General detection of accent big gun of many calibers gun barrel and non-contact measurement system, its characterized in that includes:
the first warp-weft gauge is positioned right in front of or right behind the gun barrel;
the second theodolite and the third theodolite are positioned on the same side of the gun barrel and respectively correspond to the end part of the gun barrel at the gun barrel opening end and the end part of the gun barrel tail end one by one, and the distances from the second theodolite and the third theodolite to the gun barrel are more than three meters;
the three targets are respectively adhered to the side surfaces of the end part of the gun barrel at the gun barrel opening end and the end part of the gun tail end, and connecting lines among the three targets form a triangular structure and are positioned on the same side of the gun barrel with the second theodolite and the third theodolite;
and the data processing terminal is used for acquiring and processing data.
7. The universal gun-tuning detection and non-contact measurement system for multi-caliber artillery barrels of claim 6, wherein: the data processing terminal comprises an outdoor handheld data processing terminal and an indoor notebook, and the handheld data processing terminal and the notebook are used for automatically acquiring angle data and satellite north data sent by a theodolite, completing pointing calculation and outputting measurement results.
8. The universal gun-tuning detection and non-contact measurement system for multi-caliber artillery barrels of claim 6, wherein: the first north measuring instrument is arranged on the first theodolite; and the second north measuring instrument is arranged at a position which is more than fifty meters away from the first north measuring instrument.
9. The universal gun-tuning detection and non-contact measurement system for multi-caliber artillery barrels of claim 6, wherein: a cross line is arranged on the section of the muzzle end or the section of the muzzle end of the gun barrel, and the center of the cross line is positioned on the axis of the gun barrel; the gun barrel is provided with a shooting hole which is positioned on the axis of the gun barrel.
10. The universal gun-tuning detection and non-contact measurement system for multi-caliber artillery barrels of claim 6, wherein: the gun barrel is a rocket tube, a calibration tool is fixedly arranged in the middle of the rocket tube, and the center of a calibration hole formed by the calibration tool is located on the axis of the rocket tube.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114018090A (en) * | 2021-11-04 | 2022-02-08 | 中国人民解放军63853部队 | Theodolite bore horizontal threading method |
| CN115775309A (en) * | 2023-01-31 | 2023-03-10 | 中国电子科技集团公司第二十八研究所 | Fire power range marking method and device for three-dimensional space |
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Application publication date: 20210914 |