CN107990795B - Shell speed measuring device and application method thereof - Google Patents
Shell speed measuring device and application method thereof Download PDFInfo
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- CN107990795B CN107990795B CN201711250201.7A CN201711250201A CN107990795B CN 107990795 B CN107990795 B CN 107990795B CN 201711250201 A CN201711250201 A CN 201711250201A CN 107990795 B CN107990795 B CN 107990795B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
- F42B35/02—Gauging, sorting, trimming or shortening cartridges or missiles
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Abstract
The invention discloses a shell speed measuring device and a using method thereof, the device comprises a speed measuring frame, wherein a shell transmitting device and a shell receiving device are arranged in the speed measuring frame, a laser transmitting device and a laser receiving device are also arranged in the speed measuring frame, the laser transmitting device and the laser receiving device are linearly arranged along the extending direction of the speed measuring frame, clamping devices are arranged at the middle points between the adjacent laser receiving devices, the clamping devices are movably arranged on a bottom plate of the speed measuring frame, penetrators are clamped on the clamping devices, and shells are transmitted through the shell transmitting device, sequentially pass through a plurality of penetrators and enter the shell receiving device. The projectile velocity measuring device and the application method thereof provided by the invention can continuously measure the velocity change of the projectile penetrating through a plurality of penetrators, the number, the type and the thickness of the penetrators can be arbitrarily selected, the distance of the penetrators can be arbitrarily adjusted, the velocity measurement is simple, flexible and changeable, and the popularization is convenient.
Description
Technical Field
The invention belongs to the technical field of shell speed measuring devices, and particularly relates to a shell speed measuring device and a using method thereof.
Background
With the development of society and the progress of scientific technology, the flying speed of a high-speed object is measured by utilizing a laser technology, so that the device becomes the most used speed measuring technology of the current speed measuring device. However, when measuring the speed variation process of the penetrating object of the shell, the structure of the existing shell speed measuring device is single, and the distance adjustment, the quantity switching and the type selection of the penetrating object cannot be directly carried out on the speed measuring device, so that the use is inconvenient, the speed measuring efficiency is low, and the manpower and material resources are wasted.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the projectile velocity measuring device and the using method thereof, which can continuously measure the velocity change of a plurality of penetrators penetrated by the projectile, and the number, the type and the thickness of the penetrators can be arbitrarily selected, and the distance of the penetrators can be arbitrarily adjusted, so that the projectile velocity measuring device is convenient to use, flexible and changeable and convenient to popularize.
The technical scheme is as follows: in order to achieve the above purpose, the projectile velocity measurement device of the invention comprises velocity measurement frames with mutually opposite long sides open, wherein a projectile launching device and a projectile receiving device for receiving projectiles launched from the projectile launching device are arranged in the velocity measurement frames, a laser launching device and a laser receiving device matched with the laser launching device are also arranged in the velocity measurement frames, the laser launching device and the laser receiving device are linearly arranged along the extending direction of the velocity measurement frames, and the laser launching device and the laser receiving device are arranged between the projectile launching device and the projectile receiving device;
the middle points between the adjacent laser receiving devices are respectively provided with a clamping device, the clamping devices are movably arranged on the bottom plate of the speed measuring frame, and the clamping devices are clamped with penetrators; the shell is ejected by the shell launching device, sequentially passes through a plurality of penetrators and enters the shell receiving device.
Further, a first sliding rail is fixedly arranged on the bottom plate, and the clamping device is arranged in sliding fit with the first sliding rail;
the clamping device comprises a lifting rod, an upper moving plate and a lower fixing plate, wherein the lifting rod is vertically and fixedly arranged on a first sliding block of a first sliding rail, the lower fixing plate is horizontally and fixedly arranged at the upper end of the lifting rod, and the upper moving plate is relatively close to or far away from the lower fixing plate through two threaded rods.
Further, the upper surface of the upper moving plate is provided with a first connecting block which is integrated, and the upper ends of the two threaded rods respectively penetrate through the upper moving plate to be in rotary connection with the first connecting block;
the lower bottom surface of the lower fixing plate is provided with an integrated second connecting block, the lower ends of the two threaded rods respectively penetrate through the lower fixing plate and the second connecting block, and the threaded rods are in threaded connection with the second connecting block;
the same side drive ends of the two threaded rods are respectively provided with a belt wheel, the two belt wheels are connected through belt transmission, and the lower part of one belt wheel is concentrically provided with a rotary hand wheel.
Further, the shell launching device and the shell receiving device are respectively arranged on the inner walls of the two side plates of the speed measuring frame;
the speed measurement frame comprises a speed measurement frame body, wherein an extension plate is arranged at the midpoint of the edge of the bottom plate of the speed measurement frame body in an outward extending mode, a second sliding rail is arranged on the extension plate along the extending direction of the plate body, a second sliding block is arranged on the second sliding rail, a camera device is supported and arranged on the second sliding block through a vertically arranged supporting rod, a view finding lens of the camera device is arranged over against an opening of the speed measurement frame body, and the view finding lens at least covers the edges of a shell launching device and a shell receiving device, which are close to the view finding lens, on a horizontal plane view finding side line.
Further, the laser emission device is arranged on the lower bottom surface of the upper plate of the speed measuring frame, and the laser receiving device is arranged on the upper surface of the bottom plate of the speed measuring frame;
or the laser transmitting device is arranged on the upper surface of the bottom plate of the speed measuring frame, and the laser receiving device is arranged on the lower bottom surface of the upper plate of the speed measuring frame;
the laser emitting devices and the laser receiving devices are arranged in one-to-one correspondence.
Further, the filler in the shell receiving device is sandy soil or a mixture of stones and sandy soil.
Further, the device also comprises a data receiving unit, a data processing unit, a timing unit, a data output unit and a display screen, wherein the signal transmitting end of the camera device is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the laser receiving device is connected with the signal receiving end of the timing unit, the signal transmitting end of the timing unit is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the data receiving unit is connected with the signal receiving end of the data processing unit, the signal transmitting end of the data processing unit is connected with the signal receiving end of the data output unit, and the signal transmitting end of the data output unit is connected with the signal receiving end of the display screen.
The distance between two adjacent laser emission devices is L, and the distance between two adjacent clamping devices is L because the clamping devices are arranged at the middle points between the adjacent laser receiving devices;
when the penetrator is clamped, the penetrator is placed on the lower fixed plate, then the hand wheel is rotated, the threaded rod is rotated and drives the upper moving plate to move downwards, the penetrator is clamped, and then the height of the lifting rod is adjusted, so that a plurality of penetrators keep the same height;
the shell is launched by the shell launching device, the shell sequentially penetrates through a plurality of penetrators clamped on the clamping device, the shell is decelerated and finally enters the shell receiving device, in the process, the time when the laser receiving devices do not receive laser is respectively T1, T2 and T3 … … Tn, the time difference T2-T1 and T3-T2 … … Tn-1 when the two adjacent laser receiving devices do not receive laser can be obtained, and then the continuous speed change of the shell is respectively V1 = L/(T2-T1), V2 = L/(T3-T2) … … Vn-1 = L/(Tn-1)
If the distance between the clamping devices is adjusted, the clamping devices are slid along the first sliding rail to move out of the quick measurement range, and the speed v=2l/(t 3-t 1) is assumed to be the time t1 when the first laser receiving device does not receive laser light and the time t3 when the third laser receiving device does not receive laser light, when the second clamping device is moved out from the shell launching device.
The beneficial effects are that: according to the projectile speed measuring device and the application method thereof, the clamping device can be used for clamping the penetrators, the penetrators with different thicknesses can be clamped, the clamping device can slide on the first sliding rail, the number of the penetrators can be adjusted, scales on the first sliding rail can ensure that the clamping devices are on the same straight line, errors are avoided, the camera device can slide on the second sliding rail, the view finding range of the camera device is adjusted, the movement track of the projectile can be conveniently displayed on the display screen, compared with other speed measuring devices, the speed change of the projectile penetrating through a plurality of penetrators can be continuously measured, the number, the types and the thickness of the penetrators can be arbitrarily selected, the distance of the penetrators can be arbitrarily adjusted, and the camera device is flexible and changeable and is convenient to popularize.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a clamping device;
fig. 5 is a block diagram of the control system of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, a projectile velocity measurement device and a use method thereof, the projectile velocity measurement device comprises velocity measurement frames 1 with mutually opposite long sides open, a projectile launching device 2 and a projectile receiving device 3 for receiving projectiles launched from the projectile launching device 2 are arranged in the velocity measurement frames 1, a laser launching device 5 and a laser receiving device 6 matched with the laser launching device 5 are also arranged in the velocity measurement frames 1, the laser launching device 5 and the laser receiving device 6 are linearly arranged along the extending direction of the velocity measurement frames 1, the distances are the same, the calculation is convenient, and the laser launching device 5 and the laser receiving device 6 are arranged between the projectile launching device 2 and the projectile receiving device 3, so that the projectiles are ensured to enter the projectile receiving device 3 from being launched to pass through a laser area.
The middle points between the adjacent laser receiving devices 6 are respectively provided with a clamping device, the clamping devices are movably arranged on the bottom plate 27 of the speed measuring frame 1, and penetrators are clamped on the clamping devices; the shell is ejected by the shell launching device 2, sequentially passes through a plurality of penetrators and enters the shell receiving device 3, and the clamping device can clamp the same penetrators and different penetrators or penetrators with different thicknesses, so that the clamping and the disassembly are convenient.
The first sliding rail 7 is fixedly arranged on the bottom plate 27, the clamping devices are arranged in sliding fit with the first sliding rail 7, the clamping devices conveniently slide on the first sliding rail 7, and when one or any several clamping devices are not used, the clamping devices slide out of the speed measuring range along the first sliding rail 7, so that the adjustment of the distance between penetrators is indirectly realized.
The clamping device comprises a lifting rod 17, an upper moving plate 23 and a lower fixed plate 25, wherein the upper moving plate 23 moves downwards to be matched with the lower fixed plate 25 to clamp a penetrating object, the lifting rod 17 is vertically and fixedly arranged on a first sliding block 15 of a first sliding rail 7, the lower fixed plate 25 is horizontally and fixedly arranged at the upper end of the lifting rod 17, the upper moving plate 23 is relatively close to or far away from the lower fixed plate 25 through two threaded rods 29, the threaded rods 29 are convenient to adjust, the sliding phenomenon can not occur due to the fact that the penetrating object is impacted by collision, the interference of external factors on shells is reduced, an adjusting rod 18 of the lifting rod 17 is adjusted, the height of the penetrating object on the clamping device is adjusted, and the same height of a plurality of penetrating objects is guaranteed.
The upper surface of the upper moving plate 23 is provided with a first connecting block 24 which is integrated, the upper ends of two threaded rods 29 respectively penetrate through the upper moving plate 23 and are in rotary connection with the first connecting block 24, the first connecting block 24 is used for connecting the threaded rods 29, and the threaded rods 29 are rotatably fixed in the first connecting block 24.
The lower bottom surface of lower fixed plate 25 is provided with integrative second connecting block 22, two the lower extreme of threaded rod 29 passes fixed plate 25 and second connecting block 22 setting down respectively, and threaded rod 29 and second connecting block 22 threaded connection, second connecting block 22 be used for with threaded rod 29 threaded connection, guarantee the connection stability of threaded rod 29 in the speed measurement process.
The same side drive ends of the two threaded rods 29 are respectively provided with a belt wheel 21, the two belt wheels 21 are in transmission connection through a belt 20, synchronous rotation of the two threaded rods 29 is achieved, and the lower part of one belt wheel 21 is concentrically provided with a rotary hand wheel 19, so that the belt wheel is convenient to rotate.
The shell launching device 2 and the shell receiving device 3 are respectively arranged on the inner walls of the two side plates 28 of the speed measuring frame 1, an extension plate 4 is outwards extended and arranged at the midpoint of the edge of the bottom plate 27 of the speed measuring frame 1, a second sliding rail 8 is arranged on the extension plate 4 along the extending direction of the plate body, a second sliding block 9 is arranged on the second sliding rail 8, the second sliding block 9 is supported by a vertically arranged supporting rod 10 to be provided with an image pickup device 11, the image pickup device 11 can slide on the second sliding rail 8 at will, so that the clear view finding range is conveniently determined, a view finding lens 13 of the image pickup device 11 is arranged opposite to the opening of the speed measuring frame 1, and the view finding side line 13 of the view finding lens 13 on a horizontal plane at least covers the edge of the shell launching device 2 and the shell receiving device 3 close to the view finding lens 13, so that the running track of the shell is ensured to be completely captured by the image pickup device.
The laser emitting device 5 is arranged on the lower bottom surface of the upper plate 26 of the speed measuring frame 1, and the laser receiving device 6 is arranged on the upper surface of the bottom plate 27 of the speed measuring frame 1; or the laser emitting device 5 is arranged on the upper surface of the bottom plate 27 of the speed measuring frame 1, and the laser receiving device 6 is arranged on the lower bottom surface of the upper plate 26 of the speed measuring frame 1; the laser emitting devices 5 and the laser receiving devices 6 are arranged in a one-to-one correspondence.
The filler in the shell receiving device 3 is sandy soil or a mixture of stones and sandy soil, so that the shell can be buffered, stopped and collected.
The laser device is characterized by further comprising a data receiving unit, a data processing unit, a timing unit, a data output unit and a display screen, wherein the signal transmitting end of the camera device 11 is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the laser receiving device 6 is connected with the signal receiving end of the timing unit, the signal transmitting end of the timing unit is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the data receiving unit is connected with the signal receiving end of the data processing unit, the signal transmitting end of the data processing unit is connected with the signal receiving end of the data output unit, the signal transmitting end of the data output unit is connected with the signal receiving end of the display screen, and the display screen can display the speed value of the shell and the running track 14 of the shell, so that observation and research are facilitated.
The distance between the adjacent two laser emitting devices 5 is L, and since the clamping devices are disposed at the midpoints between the adjacent laser receiving devices 6, the distance between the adjacent two clamping devices is also L;
when the penetrator is clamped, the penetrator is placed on the lower fixed plate 25, then the hand wheel 19 is rotated, the threaded rod 29 is rotated and drives the upper moving plate 23 to move downwards, the penetrator is clamped, and then the height of the lifting rod 17 is adjusted to enable a plurality of penetrators to keep the same height;
the shell is launched by the shell launching device 2, the shell sequentially penetrates through a plurality of penetrators clamped on the clamping device, the shell is decelerated and finally enters the shell receiving device 3, in the process, the time when the laser receiving devices 6 do not receive laser is respectively T1, T2 and T3 … … Tn, the time difference T2-T1 and T3-T2 … … Tn-1 when the two adjacent laser receiving devices 6 do not receive laser can be obtained, and then the continuous speed change of the shell is respectively V1 = L/(T2-T1), V2 = L/(T3-T2) … … Vn-1 = L/(Tn-1).
If the distance between the gripping devices is adjusted, the gripping devices are slid along the first slide rail 7 out of the quick measuring range, and assuming that the second gripping device is moved out from the shell firing device 14 end, the time t3 when the first laser receiving device 61 does not receive laser light, and the time t3 when the third laser receiving device 63 does not receive laser light are t3, the velocity v=2l/(t 3-t 1).
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (5)
1. A projectile speed measurement device, characterized in that: the speed measuring frame (1) with mutually opposite long side surfaces provided with openings is characterized in that a shell launching device (2) and a shell receiving device (3) for receiving shells launched from the shell launching device (2) are arranged in the speed measuring frame (1), a laser launching device (5) and a laser receiving device (6) matched with the laser launching device (5) are also arranged in the speed measuring frame (1), the laser launching device (5) and the laser receiving device (6) are linearly arranged along the extending direction of the speed measuring frame (1), and the laser launching device (5) and the laser receiving device (6) are arranged between the shell launching device (2) and the shell receiving device (3);
the middle points between the adjacent laser receiving devices (6) are respectively provided with a clamping device, the clamping devices are movably arranged on a bottom plate (27) of the speed measuring frame (1), and penetrators are clamped on the clamping devices; the shell is ejected by the shell launching device (2), sequentially passes through a plurality of penetrators and enters the shell receiving device (3);
the first sliding rail (7) is fixedly arranged on the bottom plate (27), and the clamping device is arranged in a sliding fit with the first sliding rail (7);
the clamping device comprises a lifting rod (17), an upper moving plate (23) and a lower fixed plate (25), wherein the lifting rod (17) is vertically and fixedly arranged on a first sliding block (15) of a first sliding rail (7), the lower fixed plate (25) is horizontally and fixedly arranged at the upper end of the lifting rod (17), and the upper moving plate (23) is relatively close to or far away from the lower fixed plate (25) through two threaded rods (29);
the upper surface of the upper moving plate (23) is provided with a first connecting block (24) which is integrated, and the upper ends of the two threaded rods (29) respectively penetrate through the upper moving plate (23) to be in rotary connection with the first connecting block (24);
the lower bottom surface of the lower fixing plate (25) is provided with a second connecting block (22) which is integrated, the lower ends of two threaded rods (29) respectively penetrate through the lower fixing plate (25) and the second connecting block (22), and the threaded rods (29) are in threaded connection with the second connecting block (22);
the same-side driving ends of the two threaded rods (29) are respectively provided with a belt wheel (21), the two belt wheels (21) are in transmission connection through a belt (20), and the lower part of one belt wheel (21) is concentrically provided with a rotary hand wheel (19);
the shell launching device (2) and the shell receiving device (3) are respectively arranged on the inner walls of two side plates (28) of the speed measuring frame (1);
the speed measurement frame is characterized in that an extension plate (4) is arranged at the midpoint of the edge of a bottom plate (27) of the speed measurement frame (1) in an outward extending mode, a second sliding rail (8) is arranged on the extension plate (4) along the extending direction of a plate body, a second sliding block (9) is arranged on the second sliding rail (8), a camera device (11) is supported and arranged on the second sliding block (9) through a vertically arranged supporting rod (10), a view finding lens (12) of the camera device (11) is just opposite to an opening of the speed measurement frame (1), and a view finding side line (13) of the view finding lens (12) on a horizontal plane at least covers the edges of a shell launching device (2) and a shell receiving device (3) close to the view finding lens (12).
2. A projectile velocity measurement device as claimed in claim 1, wherein: the laser emitting device (5) is arranged on the lower bottom surface of the upper plate (26) of the speed measuring frame (1), and the laser receiving device (6) is arranged on the upper surface of the bottom plate (27) of the speed measuring frame (1);
or the laser emitting device (5) is arranged on the upper surface of the bottom plate (27) of the speed measuring frame (1), and the laser receiving device (6) is arranged on the lower bottom surface of the upper plate (26) of the speed measuring frame (1);
the laser emitting devices (5) and the laser receiving devices (6) are arranged in one-to-one correspondence.
3. A projectile velocity measurement device as claimed in claim 1, wherein: the filler in the shell receiving device (3) is sandy soil or a mixture of stones and sandy soil.
4. A projectile velocity measurement device as claimed in claim 1, wherein: the laser device is characterized by further comprising a data receiving unit, a data processing unit, a timing unit, a data output unit and a display screen, wherein the signal transmitting end of the camera device (11) is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the laser receiving device (6) is connected with the signal receiving end of the timing unit, the signal transmitting end of the timing unit is connected with the signal receiving end of the data receiving unit, the signal transmitting end of the data receiving unit is connected with the signal receiving end of the data processing unit, the signal transmitting end of the data processing unit is connected with the signal receiving end of the data output unit, and the signal transmitting end of the data output unit is connected with the signal receiving end of the display screen.
5. The method of using a projectile velocity measurement device according to claim 1, wherein: the distance between two adjacent laser emitting devices (5) is L, and the distance between two adjacent clamping devices is L because the clamping devices are arranged at the middle points between the adjacent laser receiving devices (6);
when the penetrator is clamped, the penetrator is placed on the lower fixed plate (25), then the rotary hand wheel (19) is rotated, the threaded rod (29) is rotated and drives the upper moving plate (23) to move downwards, the penetrator is clamped, and then the height of the lifting rod (17) is adjusted, so that a plurality of penetrators keep the same height;
the shell emission device (2) emits shells, the shells sequentially penetrate through a plurality of penetrators clamped on the clamping devices, the shells are decelerated and finally enter the shell receiving device (3), in the process, if the penetrators are clamped on the clamping devices and participate in the speed measurement of the shells, the time when the laser receiving devices (6) do not receive laser is respectively T1, T2 and T3 … … Tn, the time difference T2-T1 and T3-T2 … … Tn-1 when the two adjacent laser receiving devices (6) do not receive laser can be obtained, and the continuous speed change of the shells is respectively V1 = L/(T2-T1), V2 = L/(T3-T2) … … Vn-1 = L/(Tn-1);
if the distance between the gripping devices is adjusted, the gripping devices are slid along the first slide rail (7) out of the quick measurement range, and assuming that the second gripping device is moved out from the shell firing device (2) end, the time t1 when the first laser receiving device (61) does not receive laser light and the time t3 when the third laser receiving device (63) does not receive laser light are t1, the speed v=2l/(t 3-t 1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711250201.7A CN107990795B (en) | 2017-12-01 | 2017-12-01 | Shell speed measuring device and application method thereof |
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| CN201711250201.7A CN107990795B (en) | 2017-12-01 | 2017-12-01 | Shell speed measuring device and application method thereof |
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| CN107990795A CN107990795A (en) | 2018-05-04 |
| CN107990795B true CN107990795B (en) | 2023-05-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109212251A (en) * | 2018-08-22 | 2019-01-15 | 南京理工大学 | A kind of laser bullet speed measuring instrument and its speed-measuring method |
| CN114184096B (en) * | 2021-04-28 | 2023-04-07 | 北京理工大学 | Test device and method for testing fragment speed attenuation rule in complex environment |
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