A device for recovering fragments of a test projectile in a gunnery test

Abstract

The present application belongs to the field of gun target shooting test, and relates to a kind of gun target shooting test projectile fragment recovery device.The device comprises a projectile recovery cabin and a hand-push angle-adjustable target vehicle.The projectile recovery cabin is designed as an open structure with the bullet-approaching surface open and the rest of the surface closed.The hand-push angle-adjustable target vehicle can be moved into the projectile recovery cabin, can clamp the test target, and can adjust the shooting test angle within the range of 5°-90°.During the gun target shooting test, the device can fully and as much as possible non-destructively absorb and recover the projectile fragments after shooting the target, and can provide sufficient basis for the subsequent research on the projectile features of the materials and components after being shot.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of gun target shooting test, and relates to a bullet fragment recovery device for gun target shooting test. BACKGROUND

[0002] The light weapon mobile bullet recovery device is a bullet recovery device capable of effectively and safely recovering and stopping flying bullets or other damaging elements. The function of the bullet recovery device is equivalent to that of a common bullet recovery fort, and soft damping materials are used in the bullet recovery cabin for bullet collection.

[0003] The light weapon mobile bullet recovery device is mainly used for collecting bullets and bullet fragments, and preventing them from injuring people or other objects. The function of the bullet recovery device is equivalent to that of a common bullet recovery fort, and soft damping materials are used in the bullet recovery cabin for bullet collection. Bullets can easily penetrate, which is not conducive to the subsequent study of the bullet appearance characteristics of materials and components. SUMMARY

[0004] (I) Purpose of the present application

[0005] The purpose of the present application is to develop a bullet fragment recovery device for gun target shooting test. During the gun target shooting test, the device can fully and as much as possible absorb and recover the bullet fragments after the shooting target plate, and provide sufficient basis for the subsequent study of the bullet appearance characteristics of materials and components.

[0006] (II) Technical scheme of the present application

[0007] The bullet fragment recovery device for gun target shooting test mainly comprises a bullet fragment recovery cabin and a hand-push type angle-adjustable target car.

[0008] The bullet recovery cabin is designed as a box cabin structure with an open bullet-facing surface and a closed remaining surface.

[0009] The hand-push type angle-adjustable target car can be moved into the bullet recovery cabin, can clamp a test target, and can adjust the shooting test angle in the range of 5°~ 90°.

[0010] The bullet recovery cabin is suitable for the use requirements of gun target shooting test of bullets with a diameter of less than 14.5 mm and penetrating and burning bullets.

[0011] Further, the hand-push type angle-adjustable target car can clamp test targets with a size of less than 900*600*100 mm.

[0012] Further, the bullet recovery cabin comprises a deck shell box body 3, a bullet collection box 2, a target rack, an obliquely arranged grid type bulletproof armor plate 5, a bulletproof wheel plate, an ultra-high molecular weight polyethylene bulletproof plate layer 4, and a multi-layer cloth sandwiched high-density rubber plate 6.

[0013] The deck shell box is a box welded by 5mm armor deck;

[0014] The ultra-high molecular weight polyethylene bulletproof plate layer 4 is fixed inside the deck shell box 3, and the ultra-high molecular weight polyethylene bulletproof plate layer of the front face and the top wall of the deck shell box 3 subjected to bullets is 12mm PE plate, and the ultra-high molecular weight polyethylene bulletproof plate layer of the two side walls is 10mm PE plate;

[0015] The obliquely arranged grid type bulletproof armor deck 5 is mainly composed of 12mm bulletproof armor deck and 8mm bulletproof armor deck, the 12mm bulletproof armor deck is located inside the deck shell box 3, next to the ultra-high molecular weight polyethylene bulletproof plate layer 4, and is arranged in an oblique grid manner on the front face subjected to bullets, and the 8mm bulletproof armor deck is located inside the deck shell box 3, next to the ultra-high molecular weight polyethylene bulletproof plate layer 4, and is arranged in an oblique grid manner on the top wall;

[0016] The cloth-enclosed high-density rubber plate 6 is 10mm cloth-enclosed rubber plate, and the multiple layers of cloth-enclosed high-density rubber plates 6 are installed in the deck shell box 3 in a vertical hanging manner and on the front main bullet-impinging face and the top face subjected to jumping bullets, are located inside the 12mm bulletproof armor deck, and the number of layers of the cloth-enclosed high-density rubber plates on the main bullet-impinging face is ≥16 layers; the number of layers of the cloth-enclosed high-density rubber plates on the two side bullet-impinging faces subjected to jumping bullets is ≥7 layers.

[0017] Further, the bullet recovery cabin further comprises a trolley handle 8 and a universal wheel with brake 9; the trolley handle 8 is arranged on the deck shell box 3 to facilitate manual movement of the bullet recovery cabin; the universal wheel with brake is installed at the bottom of the bullet recovery cabin.

[0018] Further, the bullet recovery cabin further comprises a bulletproof plate for wheels, which is obliquely arranged at the front of the bottom of the bullet recovery cabin and is used for protecting the chassis and the traveling wheels.

[0019] Further, the hand-push type angle-adjustable target vehicle comprises a target plate fixing clamp 10, a target plate 11, a target plate movable support 12, an angle-adjusting screw 13, a liquid wheel and a support 14, a target plate rotating support arm 15, an angle-adjusting handle 16, a rotating target plate frame 17, a target vehicle base 18, and a moving wheel 19.

[0020] Two slides are symmetrically arranged on the upper end face of the target vehicle base 18 and are used for the front and back movement of the rollers of the roller support assembly 14; the roller support assembly 14 comprises two roller frames, rollers and an intermediate connecting piece, the rollers are installed on the roller frames, and the intermediate connecting piece is connected between the two roller frames; the rollers on the two roller frames can move forward and backward in the two slides symmetrically arranged on the upper end face of the target vehicle base 18;

[0021] The lower end of the rotating target plate frame 17 is connected to the target vehicle base 18 via two connecting ears symmetrically arranged on the upper end face of the target vehicle base 18. One end of the two target plate rotating support arms 15 is connected to the symmetrical part of the rotating target plate frame 17, and the other end of the two target plate rotating support arms 15 is connected to the roller frame of the roller bracket assembly 14 arranged above the target vehicle base 18. The rollers of the roller bracket assembly 14 move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base 18, which drives the target plate rotating support arms 15 to make the rotating target plate frame 17 rotate around the connecting ears on the target vehicle base 18.

[0022] The target plate movable bracket 12 is used for clamping small-sized test target plates;

[0023] The target plate fixing clamp 10 is arranged around the rotating target plate frame for fixing the target plate;

[0024] The target plate rotating support arm 15 is connected to a rotating target plate frame and a roller support assembly at both ends, which are used for target plate angle adjustment support.

[0025] The angle adjustment handle 16 is installed at the tail of the angle adjustment screw 13. The front end of the angle adjustment screw 13 is connected to the intermediate connector of the roller bracket assembly 14 through the screw nut. Shaking the angle adjustment handle 16 drives the angle adjustment screw 13 to rotate. The screw nut of the roller bracket assembly 14 drives the rollers of the roller bracket assembly 14 to move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base 18. At the same time, it drives the target plate rotation support arm 15 to change the angle and make the rotating target plate frame 17 rotate, thereby achieving the purpose of adjusting the target plate angle.

[0026] Multiple target vehicle casters 19 are installed under the target vehicle base 18.

[0027] Furthermore, the caster wheel 19 has a diameter of 200mm and can bear a load of 450Kg per wheel.

[0028] Furthermore, the hand-push angle-adjustable target vehicle also includes a protective deck 1, which is obliquely installed at the front of the bottom of the hand-push angle-adjustable target vehicle to protect the chassis and wheels.

[0029] Furthermore, the hand-push angle-adjustable target vehicle is equipped with a 12mm steel plate for protection of the angle adjustment screw assembly and to catch projectile fragments falling from the projectile recovery chamber.

[0030] The beneficial effects of this invention are:

[0031] During gun target firing tests, this projectile fragment recovery device can fully and as minimally damaged as possible absorb and recover projectile fragments after being fired at the target plate, providing sufficient evidence for subsequent research on the morphological characteristics of projectiles after being hit by bullets in materials and components. Attached Figure Description

[0032] Figure 1 Figure is a schematic diagram of a bullet fragment recovery cabin; (a) top view, (b) cross-sectional view;

[0033] Figure: 1-protective deck, 2-bullet collection box, 3-deck shell box, 4-ultra-high molecular weight polyethylene bulletproof plate layer, 5-oblique grid bulletproof deck, 6-multilayer cloth high-density rubber plate, 7-bullet recovery cabin cross-section diagram, 8-pusher handle, 9-wheeled trolley with brake

[0034] Figure 2 Figure is a schematic diagram of a hand-push angle-adjustable target car; (a) side view, (b) target frame angle rotation schematic diagram, (c) gun target shooting test target car front view, (d) top view.

[0035] Figure: 10-target plate fixing clamp, 11-test piece (target plate), 12-target plate movable support, 13-angle adjustment screw, 14-roller support assembly, 15-target plate rotating support arm, 16-angle adjustment handle, 17-rotary target plate frame, 18-target car base, 19-movable caster. DETAILED DESCRIPTION

[0036] The application will be further described in detail below with reference to the accompanying drawings.

[0037] The bullet fragment recovery device for gun target shooting test includes a bullet recovery cabin and a hand-push angle-adjustable target car. The bullet recovery cabin and the hand-push angle-adjustable target car are two separately movable parts.

[0038] The hand-push angle-adjustable target car can be moved into the bullet recovery cabin, perform experiments, and carry the bulletproof device to move forward, backward, and rotate by 360 degrees, so that the bulletproof device can perform shooting experiments at any position in the target path. The hand-push angle-adjustable target car can clamp any size test target below 900x600x100mm and can adjust the shooting test angle in the range of 5°~ 90°.

[0039] The bullet recovery cabin is designed as an open structure on the bullet-approaching surface and a closed structure on the other surfaces. It is suitable for gun target shooting experiments of bullets below 14.5mm in diameter and penetrating and burning bullets. The bullet recovery cabin can effectively recover bullets, target plate fragments, and splashes and as much as possible recover the bullets and fragments without damage.

[0040] Referring to Figure 1 , the bullet recovery cabin includes a deck shell box 3, a bullet collection box 2, a target frame, an oblique grid bulletproof deck 5, a bulletproof deck for wheels, an ultra-high molecular weight polyethylene bulletproof plate layer 4, a multilayer cloth high-density rubber plate 6, a trolley handle 8, and a movable caster 9.

[0041] In the present application, the deck shell box is a box integrally welded by 5mm armor deck, which is open in the bullet receiving surface and closed in the rest surface.

[0042] The ultra-high molecular weight polyethylene bulletproof plate layer 4 is located inside the deck shell box 3, the bulletproof plate layer of the front surface and the top wall adopts 12mm PE plate, the bulletproof plate layer of the two side walls adopts 10mm PE plate, and the ultra-high molecular weight polyethylene bulletproof plate layer and the deck shell box are all fixed and installed by bolts, which is convenient for maintenance and replacement.

[0043] The obliquely arranged grid type bulletproof armor deck 5 is mainly composed of 12mm bulletproof armor deck and 8mm bulletproof armor deck, the 12mm bulletproof armor deck is located inside the deck shell box 3 and next to the ultra-high molecular weight polyethylene bulletproof plate layer 4, and is arranged in the front bullet receiving surface in the form of oblique grid, the 8mm bulletproof armor deck is located inside the deck shell box 3 and next to the ultra-high molecular weight polyethylene bulletproof plate layer 4, and is arranged in the top wall in the form of oblique grid, and the 12mm bulletproof armor deck and the 8mm bulletproof armor deck are fixed and installed on the chassis inside the deck shell box 3 by bolts, which is convenient for maintenance and replacement.

[0044] The cloth sandwiched high-density rubber plate 6 adopts 10mm cloth sandwiched rubber plate and is arranged in a multi-layer interval type, and the multi-layer cloth sandwiched high-density rubber plate 6 is installed in the deck shell box 3 in the form of vertical hanging and in the front main bullet receiving surface and the top surface of the bullet receiving surface, is located inside the 12mm bulletproof armor deck, the number of layers of the cloth sandwiched high-density rubber plate in the main bullet receiving surface is greater than or equal to 16 layers, and the number of layers of the cloth sandwiched high-density rubber plate in the two side bullet receiving surfaces is greater than or equal to 7 layers. All the rubber plates are installed in the form of vertical hanging, which is convenient for maintenance and replacement and can enhance the kinetic energy loss of the bullet.

[0045] The bottom of the bullet recovery cabin is provided with a movable caster wheel with a wheel diameter of 250mm and a single bearing capacity of 1200Kg, a bulletproof plate is arranged for the protection of the chassis and the walking wheel, a 16mm bulletproof armor is used, and the bulletproof plate is fixed and installed in front of the bottom of the bullet recovery cabin in the form of oblique arrangement.

[0046] The bottom of the bullet recovery cabin is provided with a bullet collecting box 2, and the bullet and the target plate fragments are automatically recovered in the bullet collecting box along the inclined surface inside the obliquely arranged grid type bulletproof armor deck, which is convenient for collection and cleaning.

[0047] A trolley handle 8 is arranged on the deck shell box 3, which is convenient for manual movement of the bullet recovery cabin.

[0048] Referring to Figure 2The hand-push angle-adjustable target vehicle mainly consists of a target plate fixing clamp 10, a target plate 11, a target plate movable bracket 12, an angle adjustment screw 13, a roller bracket assembly 14, a target plate rotating support arm 15, an angle adjustment handle 16, a movable caster 19, a rotating target plate frame 17, and a target vehicle base 18. It can be moved into the projectile recovery chamber for shooting experiments.

[0049] Rotating target plate frame: Welded from 30mm×60mm steel plate structure, it can clamp test targets of any size up to 900×600×100mm and can bear the impact load of test target plates and projectiles.

[0050] Two slide rails are symmetrically arranged on both sides of the upper surface of the target vehicle base 18 for the rollers of the roller bracket assembly 14 to move back and forth. The roller bracket assembly 14 includes two roller frames, rollers and an intermediate connector. The rollers are mounted on the roller frames and the two roller frames are connected by the intermediate connector. The rollers on the two roller frames can move back and forth in the two slide rails symmetrically arranged on both sides of the upper surface of the target vehicle base 18.

[0051] The lower end of the rotating target plate frame 17 is connected to the target vehicle base 18 via two connecting ears symmetrically arranged on the upper end face of the target vehicle base 18. One end of the two target plate rotating support arms 15 is connected to the symmetrical part of the rotating target plate frame 17, and the other end of the two target plate rotating support arms 15 is connected to the roller frame of the roller bracket assembly 14 arranged above the target vehicle base 18. The rollers of the roller bracket assembly 14 move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base 18, which drives the target plate rotating support arms 15 to make the rotating target plate frame 17 rotate around the connecting ears on the target vehicle base 18.

[0052] The target plate movable bracket 12 is used for clamping small-sized test target plates;

[0053] The target plate fixing clamp 10 is arranged around the rotating target plate frame for fixing the target plate;

[0054] The target plate rotating support arm 15 is connected to a rotating target plate frame and a roller support assembly at both ends, which are used for target plate angle adjustment support.

[0055] The angle adjustment handle 16 is installed at the tail of the angle adjustment screw 13. The front end of the angle adjustment screw 13 is connected to the intermediate connector of the roller bracket assembly 14 through the screw nut. Shaking the angle adjustment handle 16 drives the angle adjustment screw 13 to rotate. The screw nut of the roller bracket assembly 14 drives the rollers of the roller bracket assembly 14 to move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base 18. At the same time, it drives the target plate rotation support arm 15 to change the angle and rotate the rotating target plate frame 17, thereby achieving the purpose of adjusting the target plate angle. This enables the rotating target plate frame to adjust the shooting test angle in the range of 5° to 90°.

[0056] Target car mobile wheels 19 are installed under the target car base 18, with a wheel diameter of 200 mm and a single load of 450 Kg.

[0057] A bulletproof plate 1 is arranged in front of the mobile wheels, which is used to protect the chassis and walking wheels, adopts 16 mm bulletproof armor, and is fixed by bolts and installed vertically in front of the projectile recovery cabin.

[0058] A 12 mm steel plate is arranged on the top surface of the car, which is used to protect the angle adjustment screw assembly and receive the falling projectile fragments of the projectile recovery cabin.

[0059] The use process of the projectile fragment recovery device is as follows:

[0060] 1. Target plate test piece installation: install the target plate test piece on the rotating target plate frame of the hand-push angle-adjustable target car, fix the target plate test piece firmly with the target plate fixing clamp 10, and adjust the required test angle by shaking the target plate angle adjustment handle 16.

[0061] 2. Shooting experiment: move the projectile recovery cabin to the target position, move the hand-push angle-adjustable target car fixed and adjusted into the projectile recovery cabin, and conduct shooting experiment. The projectile and fragments fall into the projectile collection groove in the projectile recovery cabin.

[0062] 3. Projectile fragment recovery: after the shooting experiment is completed, move the hand-push angle-adjustable target car out of the projectile recovery cabin, and recover the projectile on the target car and in the projectile collection groove in the projectile recovery cabin.

[0063] The main technical indicators of the gun target shooting test projectile fragment recovery device are as follows:

[0064] 1. Applicable bullet specifications: ≤14.5 mm diameter penetrating incendiary bullets;

[0065] 2. Maximum target plate size: 900×600×100 mm;

[0066] 3. Height of target plate center from ground: ≤900 mm;

[0067] 4. Target plate adjustment angle: 5°~ 90°(manual adjustment);

[0068] 5. Projectile recovery cabin size(length, width, height): 1700×1500×1750 mm;

[0069] 6. Projectile recovery cabin weight: ≤2100 Kg;

[0070] 7. Hand-push angle-adjustable target car size: 1630×800×1300 mm;

[0071] 8. Applicable environment: outdoor, -30-40℃;

[0072] 9. Suitable site: outdoor cement floor.

[0073] The projectile fragment recovery device is used for the project research of "Macro-continuous and micro-heterogeneous anti-ballistic performance test evaluation method". The 12.7mm projectile fragments are extracted in the test of array bionic heterogeneous unit resisting 54 type 12.7mm armor-piercing incendiary bullets. Through analysis, a technical basis is provided for subsequent heterogeneous unit structure optimization, and good results are achieved.

Claims

1. A gun target shooting test projectile fragment recovery device, characterized by, The application relates to a hand-push angle-adjustable target vehicle and a projectile recovery cabin. The projectile recovery cabin is designed as a box cabin structure with an open projectile-impact surface and a closed surface; the projectile recovery cabin comprises a deck shell box (3), a projectile collection box (2), a target frame, an obliquely-arranged grid type bulletproof armor plate (5), an ultra-high molecular weight polyethylene bulletproof plate layer (4), a multi-layer clothed high-density rubber plate (6), a trolley handle (8) and a universal wheel with a brake (9); the trolley handle (8) is arranged on the deck shell box (3) to facilitate manual movement of the projectile recovery cabin; the bottom of the projectile recovery cabin is provided with the universal wheel with the brake; The deck shell box is a box body integrally welded by a 5mm armor plate; The ultra-high molecular weight polyethylene bulletproof plate layer (4) is fixed to the inner side of the deck shell box (3), the ultra-high molecular weight polyethylene bulletproof plate layer of the bullet-impact front surface and the top wall is 12mm PE plate, and the ultra-high molecular weight polyethylene bulletproof plate layer of the two side walls is 10mm PE plate; The obliquely-arranged grid type bulletproof armor plate (5) is mainly composed of 12mm bulletproof armor plates and 8mm bulletproof armor plates; the 12mm bulletproof armor plates are arranged in the deck shell box (3) and are adjacent to the ultra-high molecular weight polyethylene bulletproof plate layer (4) and are arranged in an obliquely-arranged grid mode on the bullet-impact front surface; the 8mm bulletproof armor plates are arranged in the deck shell box (3) and are adjacent to the ultra-high molecular weight polyethylene bulletproof plate layer (4) and are arranged in an obliquely-arranged grid mode on the top wall; The clothed high-density rubber plate (6) is 10mm clothed rubber plate, and the multi-layer clothed high-density rubber plate (6) is vertically hung in the deck shell box (3) and is located on the bullet-impact front surface and the top surface of the bullet-impact top wall and is inside the 12mm bulletproof armor plate; the number of layers of the clothed high-density rubber plate on the bullet-impact front surface is greater than or equal to 16 layers; the number of layers of the clothed high-density rubber plate on the two bullet-impact top walls is greater than or equal to 7 layers; The hand-push angle-adjustable target vehicle can be moved into the projectile recovery cabin, the hand-push angle-adjustable target vehicle can clamp a test target, and the shooting test method can be adjusted in a range of 5-90 degrees; The hand-push angle-adjustable target vehicle comprises a protective deck (1), a target plate fixing clamp (10), a target plate (11), a target plate movable support (12), an angle adjustment screw (13), a roller support assembly (14), a target plate rotating support arm (15), an angle adjustment handle (16), a rotating target plate frame (17), a target vehicle base (18) and a moving trolley (19); The protective deck (1) is obliquely arranged at the front of the bottom of the hand-push angle-adjustable target vehicle and is used for protecting the base and the moving trolley (19); Two symmetrical slide rails are arranged on the upper end surfaces of the target vehicle base (18) and are used for moving the rollers of the roller support assembly (14) forward and backward; the roller support assembly (14) comprises two roller frames, rollers and an intermediate connecting piece, the rollers are arranged on the roller frames, and the two roller frames are connected through the intermediate connecting piece; the rollers on the two roller frames can move forward and backward in the two symmetrical slide rails arranged on the upper end surfaces of the target vehicle base (18); The lower end of the rotating target plate frame (17) is connected to the target vehicle base (18) via two connecting ears symmetrically arranged on the upper end face of the target vehicle base (18). One end of the two target plate rotating support arms (15) is connected to the symmetrical part of the rotating target plate frame (17), and the other end of the two target plate rotating support arms (15) is connected to the roller frame of the roller bracket assembly (14) arranged above the target vehicle base (18). The rollers of the roller bracket assembly (14) move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base (18), driving the target plate rotating support arms (15) to make the rotating target plate frame (17) rotate around the connecting ears on the target vehicle base (18). The target plate movable bracket (12) is used for clamping small-sized test target plates; The target plate fixing clip (10) is arranged around the rotating target plate frame for fixing the target plate; The target plate rotating support arm (15) is connected to a rotating target plate frame and a roller support assembly at both ends, which are used for target plate angle adjustment support; The angle adjustment handle (16) is installed at the tail of the angle adjustment screw (13). The front end of the angle adjustment screw (13) is connected to the intermediate connector of the roller bracket assembly (14) through the screw nut. Shaking the angle adjustment handle (16) drives the angle adjustment screw (13) to rotate. The screw nut of the roller bracket assembly (14) drives the rollers of the roller bracket assembly (14) to move back and forth in two slides symmetrically arranged on both sides of the upper end face of the target vehicle base (18). At the same time, it drives the target plate rotation support arm (15) to realize the angle change and make the rotating target plate frame (17) rotate, thereby achieving the purpose of adjusting the target plate angle. Multiple target vehicle casters (19) are installed under the target vehicle base (18).

2. The gun target shooting test projectile fragment recovery device of claim 1 wherein, The projectile recovery chamber is suitable for use in gun target shooting experiments with projectiles of diameter 14.5mm or less and armor-piercing and incendiary ammunition.

3. The gunnery test projectile fragment recovery apparatus of claim 1 wherein, The hand-push adjustable target carriage can hold test targets of any size up to 900×600×100mm.

4. The gunnery test projectile fragment recovery apparatus of claim 1 wherein, The projectile recovery chamber also includes wheel protection plates, which are installed at an angle at the bottom front of the projectile recovery chamber to protect the underframe and the wheels.

5. The gunnery test projectile fragment recovery apparatus of claim 1 wherein, The caster wheel has a diameter of 200mm and can bear a load of 450Kg per wheel.

6. The gunnery test projectile fragment recovery apparatus of claim 1 wherein, The hand-push angle-adjustable target vehicle is equipped with a 12mm steel plate for adjusting the angle of the screw assembly and for protecting against and catching fragments of projectiles falling from the projectile recovery chamber.

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