阅读说明：本技术 一种模块化弹托分离装置及其使用方法 (Modularized bullet holder separating device and using method thereof ) 是由 任鹏 韩登安 陶强强 汤宇昕 赵宸 于 2020-11-27 设计创作，主要内容包括：本发明公开了一种模块化弹托分离装置,包括紧固件、前部固定器、弹托分离器、碎片一级回收器,前部固定器、弹托分离器以及碎片一级回收器内部均设有通腔,弹托分离器的两端分别与前部固定器一端、碎片一级回收器一端同轴连接,前部固定器的另一端通过紧固件与靶室舱壁连接。并公开了其使用方法。本装置用于冲击试验时,不需要改变原有的装置结构,可以独立用于所有的试验设备。能有效分离及回收弹托及撞击产生的碎片,起到对实验人员的防护作用提高了安全性能。能有效去除撞击之后弹托生产的跟随物对实验结果的影响。与炮管同轴,两个分离孔的直径大于弹丸直径小于弹托直径,可以纠正弹道,避免因为弹道偏差而导致实验失败。(The invention discloses a modularized bullet support separating device which comprises a fastening piece, a front fixing device, a bullet support separator and a fragment primary recoverer, wherein through cavities are formed in the front fixing device, the bullet support separator and the fragment primary recoverer, two ends of the bullet support separator are coaxially connected with one end of the front fixing device and one end of the fragment primary recoverer respectively, and the other end of the front fixing device is connected with the wall of a target chamber through the fastening piece. And methods of use thereof are disclosed. When the device is used for impact test, the original device structure is not required to be changed, and the device can be independently used for all test equipment. The bullet support and the piece that the striking produced can effectively be separated and retrieved, play the guard action to the experimenter and improved the security performance. The influence of the follower produced by the bullet holder after impact on the experimental result can be effectively removed. The diameter of the two separation holes is larger than the diameter of the projectile and smaller than the diameter of the projectile support, so that the trajectory can be corrected, and the experimental failure caused by trajectory deviation is avoided.)

1. The utility model provides a modularization bullet holds in palm separator which characterized in that: the device comprises a fastener, a front fixer, a bullet holder separator and a fragment primary recoverer, wherein through cavities are formed in the front fixer, the bullet holder separator and the fragment primary recoverer, two ends of the bullet holder separator are coaxially connected with one end of the front fixer and one end of the fragment primary recoverer respectively, and the other end of the front fixer is connected with the wall of a target chamber cabin through the fastener.

2. A modular sabot separation device as claimed in claim 1 in which: the front fixer comprises a fixer body, a sealing ring and a first buckle connector, wherein the cross section of the fixer body is in a convex shape, the wall of the target chamber bulkhead is connected with the outer peripheral face of the small end of the fixer body through the fastening piece, the sealing ring is arranged between the connecting face of the target chamber bulkhead and the outer peripheral face of the small end of the fixer body, the first buckle connector is connected with the large end of the fixer body, and the fixer body is connected with the elastic support separator in a clamping mode through the first buckle connector.

3. A modular sabot separation device as claimed in claim 2 in which: the diameter of the large end of the fixer body is twice of the diameter of the small end.

4. A modular sabot separation device as claimed in claim 1 in which: the elastic support separator comprises a separator body, a second buckle connector and an elastic support separation baffle, the separator body is of a cylindrical structure, the two ends of the separator body are respectively provided with the second buckle connector, the two ends of the separator body are coaxially clamped with one end of the front fixer and one end of the fragment primary recoverer through the second buckle connector, and the elastic support separation baffle is arranged in the separator body and fixed with the inner circumferential surface of the separator body.

5. The modular sabot separation device of claim 4, further comprising: the middle part of the bullet support separation baffle is provided with a frustum cylinder I, the frustum cylinder I faces the connecting end of the separator body and the fragment primary recoverer, and a bullet support separation hole with the diameter larger than the diameter of a bullet and smaller than the diameter of the bullet support is formed in the frustum cylinder I.

6. A modular sabot separation device as claimed in claim 1 in which: the fragment primary recoverer comprises a recoverer body, a third buckle joint and a fragment separation baffle, wherein the recoverer body is of a cylindrical structure, the third buckle joint is arranged at each of two ends of the recoverer body, one end of the recoverer body is coaxially clamped with the separator body through the third buckle joint, and the fragment separation baffle is arranged inside the recoverer body and fixed with the inner circumferential surface of the recoverer body.

7. The modular sabot separation device of claim 6, further comprising: the middle part of the fragment separation baffle is provided with a frustum cylinder II, the frustum cylinder II faces the connecting end of the separator body and the fragment primary recoverer, and a fragment primary separation hole with the diameter larger than the diameter of the projectile and smaller than the diameter of the projectile holder is formed in the frustum cylinder II.

8. A modular sabot separation device as claimed in claim 1 in which: the fastening piece is a fastening round nut and is in threaded connection with the outer peripheral surface of the front fixer.

9. A method of using the modular sabot separation device of any of claims 1 to 8, comprising the steps of:

the method comprises the following steps: the front fixer, the bullet holder separator and the fragment primary recoverer are connected to form a whole, and are tightly clamped in the wall of a target chamber bulkhead through a fastening piece, and the device is adjusted to be coaxial with a gun barrel;

step two: after the bullet holder and the bullet are launched by the light gas cannon, the bullet holder and the bullet enter the device through the inlet of the front fixer, when the bullet holder reaches the separation baffle of the bullet holder, the bullet holder is left in the bullet holder recovery bin of the front fixer, and the bullet head and part of fragments generated by high-speed impact pass through the bullet holder separator and reach the fragment primary recoverer;

step three: the warhead acts on the target plate through the fragment primary recoverer, and the following fragments are blocked by the fragment separating baffle and are left in the fragment primary recoverer;

step four: the device is disassembled, the bullet holder separator and the fragment first-level recoverer are disassembled, and after the bullet holder and the fragments are removed, the bullet holder separator and the fragment first-level recoverer are installed to perform the next experiment.

Technical Field

The invention belongs to the field of material impact dynamics, and particularly relates to a modular bullet holder separating device and a using method thereof.

Background

High-speed impact and penetration experiments are generally carried out by using light gas guns and ballistic guns, and due to the diversity of the sizes of the shots, the shots need to be launched by matching with a projectile support to complete the experiments. However, in the experimental process, the projectile support and the projectile need to be separated before reaching the target so as to ensure the effectiveness of the experiment.

The existing bullet support separation device mainly comprises an impact separation device based on a gun barrel and a non-impact self-separation device. Impact separation device based on barrel is realizing the in-process that bullet support and pellet separated, and the high-speed striking of bullet support and separator can make the barrel produce relative motion, and then influences the transmission precision of pellet. Meanwhile, after the bullet support and the bullet support separator are impacted and separated, high-speed rebound can occur, and then damage is caused to the gun barrel. On the basis, the bullet support can produce partial fragments in high-speed impact, and the fragments can follow the projectile and act on the target plate at a high speed, so that the experimental result is influenced.

The impact effect appears when no striking self-separation has avoided the bullet to hold in the palm the separation, but separation scattering can appear in this type of bullet support, and the bullet holds in the palm high-speed scattering all around after the gun barrel, causes great potential safety hazard to laboratory personnel and equipment. Meanwhile, the non-impact self-separation has the defects of incomplete separation, low separation success rate and the like, and the success rate of the experiment cannot be ensured.

Disclosure of Invention

The purpose of the invention is as follows: in view of the above problems, the invention aims to provide a modularized bullet support separating device, which is suitable for separating a bullet support from a bullet and recovering the bullet support under different gun tube outlet modes of a light gas gun, solves the problem of fragment following, can ensure that the bullet support and the bullet are effectively separated in a target chamber, and effectively avoids experimental errors. And methods of use thereof are provided.

The technical scheme is as follows: the utility model provides a modularization bullet holds in palm separator, includes fastener, anterior fixer, bullet holds in the palm separator, piece one-level recoverer, anterior fixer, bullet holds in the palm the separator and piece one-level recoverer is inside all to be equipped with logical chamber, the both ends of bullet holds in the palm the separator respectively with anterior fixer one end piece one-level recoverer one end coaxial coupling, the other end of anterior fixer passes through the fastener is connected with the target chamber bulkhead.

Further, anterior fixer includes fixer body, sealing washer, first buckle connects, the cross-section of fixer body is type, the target chamber bulkhead passes through the fastener with the outer peripheral face of fixer body tip is connected, the sealing washer between the face of connecting between them set up in on the lateral surface of fixer body, first buckle connect with the main aspects of fixer body are connected, the fixer body passes through first buckle connect with the bullet holds in the palm the separator joint.

Most preferably, the anchor body has a major end diameter that is twice the minor end diameter.

Furthermore, the bullet holds in the palm the separator and includes separator body, second buckle joint, bullet support separation baffle, the separator body is the tubular structure, its both ends are equipped with one respectively the second buckle connects, separator body both ends respectively through one the second buckle connect with anterior fixer one end, coaxial joint of piece one-level recoverer one end, bullet holds in the palm separation baffle set up in inside the separator body and rather than the inner peripheral surface fixed.

Furthermore, the middle part of the bullet support separation baffle is provided with a frustum cylinder I, the frustum cylinder I faces the connecting end of the separator body and the fragment primary recoverer, and a bullet support separation hole with the diameter larger than the diameter of the bullet and smaller than the diameter of the bullet support is formed in the frustum cylinder I.

Furthermore, the fragment primary recoverer comprises a recoverer body, a third buckle joint and a fragment separation baffle, wherein the recoverer body is of a cylindrical structure, two ends of the recoverer body are respectively provided with the third buckle joint, one end of the recoverer body is coaxially clamped with the separator body through the third buckle joint, and the fragment separation baffle is arranged in the recoverer body and fixed with the inner circumferential surface of the recoverer body.

Furthermore, the middle part of the fragment separation baffle is provided with a frustum cylinder II, the frustum cylinder II faces the connecting end of the separator body and the fragment primary recoverer, and a fragment primary separation hole with the diameter larger than the diameter of the projectile and smaller than the diameter of the projectile holder is formed in the frustum cylinder II.

Preferably, the fastening member is a fastening round nut, and the fastening member is threadedly coupled to an outer circumferential surface of the front anchor.

A method for using a modular sabot separation device, comprising the steps of:

the method comprises the following steps: the front fixer, the bullet holder separator and the fragment primary recoverer are connected to form a whole, and are tightly clamped in the wall of a target chamber bulkhead through a fastening piece, and the device is adjusted to be coaxial with a gun barrel;

step two: after the bullet holder and the bullet are launched by the light gas cannon, the bullet holder and the bullet enter the device through the inlet of the front fixer, when the bullet holder reaches the separation baffle of the bullet holder, the bullet holder is left in the bullet holder recovery bin of the front fixer, and the bullet head and part of fragments generated by high-speed impact pass through the bullet holder separator and reach the fragment primary recoverer;

step three: the warhead acts on the target plate through the fragment primary recoverer, and the following fragments are blocked by the fragment separating baffle and are left in the fragment primary recoverer;

step four: the device is disassembled, the bullet holder separator and the fragment first-level recoverer are disassembled, and after the bullet holder and the fragments are removed, the bullet holder separator and the fragment first-level recoverer are installed to perform the next experiment.

Has the advantages that: compared with the prior art, the invention has the advantages that:

(1) when the device is used for impact test, the original device structure is not required to be changed, and the device can be independently used for all test equipment.

(2) The bullet support and the piece that the striking produced can effectively be separated and retrieved, play the guard action to the experimenter and improved the security performance.

(3) The influence of the follower produced by the bullet holder after impact on the experimental result can be effectively removed.

(4) With the barrel is coaxial, the diameter of two separation holes is greater than the projectile diameter and is less than the sabot diameter, and in addition this device has far away distance with the barrel mouth, and the trajectory can be corrected in such design, avoids because the trajectory deviation leads to the experiment failure.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the anterior fixation device;

FIG. 3 is a perspective view of the anterior fixation device;

FIG. 4 is a schematic cross-sectional view of the sabot separator;

FIG. 5 is a schematic sectional view of a primary fragment recycler;

FIG. 6 is a schematic perspective view of a fragment primary recoverer;

the device comprises a fastening piece 1, a front fixer 2, a bullet holder separator 3, a fragment primary recoverer 4, a target chamber bulkhead 5, a fixer body 2-1, a sealing ring 2-2, a first buckle connector 2-3, a separator body 3-1, a bullet holder separation hole 3-2, a frustum cylinder I3-3, a bullet holder separation baffle 3-4, a second buckle connector 3-5, a recoverer body 4-1, a fragment primary separation hole 4-2, a frustum cylinder II 4-3, a fragment separation baffle 4-4, a third buckle connector 4-5, a bullet holder recovery bin 6 and a primary fragment recovery bin 7.

Detailed Description

The present invention will be further illustrated with reference to the following figures and specific examples, which are to be understood as merely illustrative and not restrictive of the scope of the invention.

A modularized bullet holder separating device is shown in figures 1-6 and comprises a fastening piece 1, a front fixing device 2, a bullet holder separator 3 and a fragment primary recoverer 4, wherein through cavities are formed in the front fixing device 2, the bullet holder separator 3 and the fragment primary recoverer 4, and the fastening piece 1 is a fastening round nut.

The front fixer 2 comprises a fixer body 2-1, a sealing ring 2-2 and a first buckle joint 2-3, the cross section of the fixer body 2-1 is in a convex shape, the diameter of the large end of the fixer body is twice of that of the small end, a target chamber bulkhead 5 is connected with the outer peripheral surface of the small end of the fixer body 2-1 through a fastener 1, the fastener 1 is in threaded connection with the outer peripheral surface of the small end of the fixer body 2-1, the sealing ring 2-2 is arranged on the outer side surface of the fixer body 2-1 between the connection surfaces of the sealing ring and the fixer body, and the first buckle joint 2-3 is connected with the large end of the fixer body 2-1.

The bullet holder separator comprises a separator body 3-1, second buckle joints 3-5 and a bullet holder separation baffle 3-4, the separator body 3-1 is of a circular cylindrical structure, two ends of the separator body are respectively provided with the second buckle joints 3-5, one second buckle joint 3-5 is connected with the first buckle joint 2-3 in a clamping mode, the bullet holder separator 3 is coaxially connected with the front fixer 2, the first buckle joint 2-3 and the second buckle joint 3-5 are similar to a structure with a buckle of a fire fighting belt, the bullet holder separation baffle 3-4 is arranged inside the separator body and fixed with the inner circumferential surface of the separator body, the middle part of the bullet holder separation baffle 3-4 is provided with a frustum cylinder I3-3, the direction of the frustum cylinder I3-3 deviates from the connecting end of the separator body 3-1 and the front fixer 2-1, the frustum cylinder I3-3 is provided with a bullet support separation hole 3-2 with the diameter larger than that of the bullet and smaller than that of the bullet support.

The fragment primary recoverer 4 comprises a recoverer body 4-1, a third buckle joint 4-5 and a fragment separating baffle 4-4, wherein the recoverer body 4-1 is of a round tubular structure, the two ends of the recoverer body are respectively provided with the third buckle joint 4-5, the third buckle joint 4-5 at one end is in buckle connection with the other second buckle joint 3-5, so that the fragment primary recoverer 4 is coaxially connected with the bullet holder separator 3, the third buckle joint 4-5 is similar to a fire belt buckle structure, the fragment separating baffle 4-4 is arranged inside the recoverer body 4-1 and fixed with the inner circumferential surface of the recoverer body 4-1, the middle part of the fragment separating baffle 4-4 is provided with a frustum cylinder two 4-2, and the frustum cylinder two 4-2 faces the connecting end of the separator body 4-1 and the fragment primary recoverer 4, and a fragment primary separation hole 4-2 with the diameter larger than that of the projectile and smaller than that of the projectile support is formed in the frustum cylinder II 4-3. The fragment primary separation hole 4-2 is coaxial with the bullet holder separation hole 3-2.

The conicity of the frustum cylinder I3-3 and the conicity of the frustum cylinder II 4-3 are all 2, the inner diameter and the outer diameter of the large end of the front fixer 2, the inner diameter and the outer diameter of the bullet holder separator and the inner diameter and the outer diameter of the fragment primary recoverer are respectively equal, and the diameters of the bullet holder separation hole and the fragment primary separation hole are both 20 mm-30 mm.

All the through holes arranged on the device are coaxial with the gun barrel. The front fixer 2, the bullet support separator 3 and the fragment primary separator 4 are sequentially connected through the inner buckle type joints at the head and the tail of the part, then the main body of the device is connected to the bulkhead 5 of the target chamber through the fastener 1, and after the bullet support separator is connected, the device is adjusted to be coaxial with a gun barrel, and then an experiment can be started.

The use method of the modular bullet holder separation device comprises the following steps:

the method comprises the following steps: the front fixer 2, the bullet holder separator 3 and the fragment primary recoverer 4 are connected to form a whole, and are tightly clamped in the wall of a target chamber bulkhead through a fastening piece 1, and the device is adjusted to be coaxial with a gun barrel;

step two: after being launched by a light gas gun, the bullet support and the bullet enter the device from the inlet of the front fixer 2, when reaching the separation baffle 3-4 of the bullet support, the bullet support is left in the bullet support recovery bin 6 of the front fixer 2, and the bullet and part of fragments generated by high-speed impact pass through the bullet support separator 3 and reach the primary fragment recovery bin 7 of the primary fragment recoverer 4;

step three: the warhead acts on the target plate through the fragment primary recoverer 4, and the following fragments are blocked by the fragment separation baffle 4-4 and are left in the primary fragment recovery bin 7;

step four: dismantle this device, pull down bullet support separator 3, piece one-level recoverer 4, clear away after bullet support and piece, install bullet support separator 3, piece one-level recoverer 4 and carry out the experiment next time.

The lengths of the bullet holder recovery bin 6 and the primary fragment recovery bin 7 are four times of the length of the bullet holder.

The modular structural design makes this device simple to operate, and when this device was used for the impact test, need not change original device structure, can independently be used for all test equipment. Can effectively separate and retrieve the piece that bullet held in the palm and striking produced, play the guard action to the experimenter and improved the security performance. The setting of a plurality of recovery storehouses can effectively get rid of the impact of the follower of bullet support production after the striking to the experimental result. The separation hole is coaxial with the gun barrel, the diameter of the separation hole is larger than that of the projectile and smaller than that of the projectile support, and the separator is far away from the gun barrel opening, so that the trajectory can be corrected by the design, and experimental failure caused by trajectory deviation is avoided. The device has a simple structure, can be repeatedly used, and can effectively protect the safety of experimenters and improve the accuracy of experiments.