阅读说明：本技术 一种应用于105mm滑膛炮试验用弹托 (Be applied to experimental bullet support of using of 105mm smooth bore big gun ) 是由 姚文进 张小静 王晓鸣 林文彬 张庆 郑宇� 朱炜 于 2021-09-27 设计创作，主要内容包括：本发明一种应用于105mm滑膛炮试验用弹托,包括弹托外壳,弹托外壳内部插接有弹丸,弹托外壳底部螺纹连接有闭气环,闭气环远离弹托外壳一端通过螺钉连接有端盖,弹托外壳靠近闭气环一端卡接有支撑盘,弹丸靠近支撑盘一端卡接有限位圈,本发明通过锥形尼龙限位圈,可以保证弹底与弹托外壳底部完全贴合；支撑盘可以调节厚度来适应发射强度要求,可以减轻弹的整体质量；闭气环中部有与支撑盘直径相同的凸起,可以压紧支撑盘；闭气环尾部直径最大处有可以变化的宽度,来适应不同过载下的发射密闭要求；固定在闭气环尾部的端盖可以增加发射密闭性提高发射的可靠性；闭气环与弹托外壳连接部分隔20度切一道缝,以便于弹托外壳出炮口后更好的分离。(The invention relates to a bullet holder applied to a 105mm smooth-bore gun test, which comprises a bullet holder shell, wherein a bullet is inserted into the bullet holder shell, the bottom of the bullet holder shell is in threaded connection with an air-closing ring, one end, far away from the bullet holder shell, of the air-closing ring is connected with an end cover through a screw, one end, close to the air-closing ring, of the bullet holder shell is clamped with a supporting plate, and one end, close to the supporting plate, of the bullet holder shell is clamped with a limiting ring; the thickness of the supporting disc can be adjusted to meet the requirement of emission intensity, and the overall mass of the bomb can be reduced; the middle part of the gas-tight ring is provided with a bulge with the same diameter as the supporting disk, and the bulge can tightly press the supporting disk; the maximum diameter position of the tail part of the closed gas ring has a variable width to adapt to the emission sealing requirements under different overloads; the end cover fixed at the tail part of the closed gas ring can increase the emission tightness and improve the emission reliability; the closed gas ring and the connecting part of the shell of the bullet holder are separated by 20 degrees and cut into a seam, so that the shell of the bullet holder can be better separated after being discharged from the muzzle.)

1. The utility model provides a be applied to experimental bullet of using of 105mm slide bore big gun and hold in palm, its characterized in that, including bullet support shell (1), bullet (2) have been pegged graft to bullet support shell (1) inside, bullet support shell (1) bottom threaded connection has closed gas ring (3), closed gas ring (3) are kept away from bullet support shell (1) one end and are had end cover (4) through the screw connection, bullet support shell (1) are close to closed gas ring (3) one end joint has supporting disk (5), bullet (2) are close to supporting disk (5) one end joint has spacing collar (6).

2. A sabot for use in 105mm smoothbore testing according to claim 1 wherein said sabot housing (1) is made of an aluminium alloy material and said sabot housing (1) is comprised of a three-lobed 120 ° sabot.

3. A cartridge holder for testing a 105mm smoothbore gun according to claim 1, wherein the diameter of the tail of said air-lock ring (3) is 20mm larger than the caliber of the gun, and said air-lock ring (3) is made of nylon material.

4. The cartridge holder for the 105mm smooth-bore gun test according to claim 1, wherein four screws are uniformly screwed on the end cover (4), the diameter of the end cover (4) is 5mm smaller than the caliber of the gun, and the end cover (4) is made of aluminum alloy material.

5. A cartridge holder for 105mm smoothbore testing according to claim 1, wherein the middle part of the gas-closing ring (3) has a bulge with the same diameter as that of the supporting disk (5), and the supporting disk (5) is made of aluminum alloy material.

6. The projectile holder for 105mm smoothbore test according to claim 1, wherein the connecting portion of said closed ring (3) and projectile holder housing (1) is provided with a cutting seam every 20 °, and the maximum diameter of the tail portion of said closed ring (3) has a certain width.

Technical Field

The invention relates to the technical field of artillery experimental equipment, in particular to a sabot applied to a 105mm smooth-bore artillery test.

Background

The 105mm smooth bore artillery is an artillery with the caliber of 105mm, the gun tube has no rifling, the smooth bore artillery has higher pressure and the capability of launching a high initial speed unshelled armor-piercing projectile, and the manufacturing cost of the smooth bore artillery is lower than that of the rifling artillery.

When there is the gap bottom current bullet support shell and shot, in the launch process, the bullet support receives the gaseous high pressure of gunpowder, will produce very big acceleration at very short distance, strikes at the bottom of the bullet, and the bullet support that makes disintegrates in the thorax leads to experimental failure, receives the piece damage in the firecrackers thorax, can't adapt to the not firing strength requirement under the different overloads.

Disclosure of Invention

The invention provides a bullet holder for a 105mm smooth bore gun test, which solves the problems that when a gap exists between a shell of the bullet holder and the bottom of a bullet in the existing device, the bullet holder is subjected to high pressure of gunpowder gas in the launching process, and a very large acceleration is generated in a very short distance to impact the bottom of the bullet, so that the bullet holder is disintegrated in a bore, the test fails, the bore of the gun is damaged by fragments, and the bullet holder cannot meet the requirements of launching strength under different overloads.

To solve the problems set forth in the background art described above.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a be applied to experimental bullet of 105mm smooth bore big gun and hold in palm, includes the bullet support shell, bullet has pegged graft in the bullet support shell, bullet support shell bottom threaded connection has the closed gas ring, closed gas ring keeps away from bullet support shell one end and has the end cover through the screw connection, bullet support shell is close to closed gas ring one end joint has the supporting disk, the bullet is close to supporting disk one end joint has the spacing collar.

In a further embodiment, the sabot housing is made of an aluminium alloy material and consists of three 120 ° pieces of sabot, facilitating the sabot housing to be wrapped around the outside of the projectile.

In a further embodiment, the diameter of the tail part of the gas-closing ring is 20mm larger than the caliber of the artillery, and the gas-closing ring is made of nylon materials, so that the air tightness of the device is improved, and the tightness of the launching process is ensured.

In a further embodiment, four screws are uniformly connected to the end cover in a threaded manner, the diameter of the end cover is 5mm smaller than the caliber of the artillery, and the end cover is made of an aluminum alloy material and is used for increasing the extrusion resistance of the nylon projectile holding air ring and ensuring the tightness in the launching process.

In a further embodiment, the middle part of the gas-closing ring is provided with a bulge with the same diameter as that of the support plate, and the support plate is made of an aluminum alloy material and can be pressed tightly to enable the support plate to be further attached to the spring bottom.

In a further embodiment, the connecting part of the gas-closing ring and the shell of the missile bracket is provided with a cutting seam every 20 degrees, and the tail part of the gas-closing ring with the largest diameter has a certain width so as to facilitate better separation of the shell of the missile bracket after the shell of the missile bracket is discharged from a blast hole.

The invention has the following beneficial effects:

1. a conical nylon limiting ring is arranged between the bullet holder shell and the tail of the bullet, so that the bullet and the bullet holder shell do not move axially relative to each other, and the bottom of the bullet holder shell can be completely attached.

2. The thickness of the support disc can be adjusted to meet the emission intensity requirements under different overloads, so that the overall quality of the bomb can be reduced under different emission conditions.

3. The middle part of the gas-tight ring is provided with a bulge with the same diameter as the supporting disk, so that the supporting disk can be pressed tightly, and the supporting disk is further attached to the spring bottom; the maximum diameter position of the tail part of the closed gas ring has a certain width which can be changed to adapt to the emission sealing requirements under different overloads.

4. The end cover fixed at the tail part of the closed gas ring is used for enhancing the anti-extrusion capacity of the tail part of the bullet support shell, increasing the launch tightness and improving the launch reliability.

5. The connecting part of the gas-closing ring and the shell of the bullet holder is cut into a seam every 20 degrees by linear cutting, so that the shell of the bullet holder can be better separated after being discharged from a blast hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic perspective view of the gas-closing ring of the present invention;

FIG. 5 is a perspective view of the end cap of the present invention;

fig. 6 is a schematic perspective view of the spacing collar of the present invention.

In the figure: 1. a bullet holder shell; 2. 4, pill forming; 3. a gas-tight ring; 4. an end cap; 5. a support disc; 6. a limiting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the sabot for the 105mm smoothbore gun test of the invention comprises a sabot shell 1, a projectile 2 is inserted into the sabot shell 1, the bottom of the sabot shell 1 is in threaded connection with a gas-tight ring 3, the sealing performance of the device is improved, leakage is prevented, one end of the gas-tight ring 3, which is far away from the sabot shell 1, is connected with an end cover 4 through a screw, the pressure resistance of the tail of the sabot shell 1 is enhanced by using the end cover 4, one end of the sabot shell 1, which is near to the gas-tight ring 3, is clamped with a support disc 5, and the support disc 5 can be pressed through the gas-tight ring 3, so that the support disc 5 is further attached to the bottom of the projectile.

There is the gap between bullet support shell 1 and the shot 2 in current device, at the emergence in-process, at the bottom of the gaseous high pressure impact bullet of powder for bullet support shell 1 disintegrates easily, leads to experimental problem, is close to 5 one end joints of supporting disk through shot 2 and has spacing collar 6, makes the bullet at the bottom of laminating completely with bullet support shell 1, prevents to reveal.

Example 2

Referring to fig. 2-4, a further improvement is made on the basis of embodiment 1:

in this embodiment, bullet support shell 1 comprises the bullet support piece that three lamella 120 aluminium alloy made, through using the ring of closing 3 and bullet support shell 1 threaded connection, is convenient for 3 bullet support pieces each other joint, is convenient for bullet support shell 1's fixed and recovery recycle.

In order to increase the air-closing effect of the device, the diameter of the tail part of the air-closing ring 3 is 20mm larger than the caliber of the artillery, and the air-closing ring 3 made of nylon material can be deformed, bent and filled in gaps when being pressed.

In this embodiment, four screw threaded connections have aluminum alloy end cover 4, are used for increasing nylon bullet support shell 1 and the anti extrudability of closed gas ring 3, prevent because bullet support shell 1 and closed gas ring 3 receive too high extrusion, lead to the device to appear warping, influence the gas tightness to lead to influencing the accuracy of shell.

Example 3

Referring to fig. 5-6, a further improvement is made on the basis of embodiment 1:

in order to make supporting disk 5 further paste tightly with the bullet end, use the inside fixedly connected with arch of gas ring 3, gas ring 3 passes through protruding joint in supporting disk 5 inside, and 3 afterbody diameter maximums of gas ring have certain width, and this width can change and adapt to the airtight requirement of transmission under the different overloads.

In this embodiment, in order to facilitate better separation of the bullet support shell 1 after leaving the muzzle, a cutting seam is provided every 20 degrees at the connection part of the gas-tight ring 3 and the bullet support shell 1, so that the connection part of the bullet support shell 1 can be rapidly broken and separated after being stressed.

Specifically, when the bullet holder is used, a conical gas-closing ring 3 is fixed at the tail of a bullet 2, a bullet holder shell 1 is composed of three 120-degree bullet holding plates, the bullet holder shell 1 is wrapped outside the bullet 2, an aluminum alloy supporting plate 5 is arranged at the bottom of the bullet holder shell to support a bullet bottom, the gas-closing ring 3 is connected to the bottom of the aluminum alloy bullet holder shell 1 through threads, the supporting plate 5 at the bullet bottom is compressed, the diameter of the tail of the gas-closing ring 3 is larger than the caliber of a cannon, a gas-closing effect is achieved, and finally an aluminum alloy end cover 4 with the diameter smaller than the caliber of the cannon is fixed at the bottom of the gas-closing ring 3 through four screws, so that the extrusion resistance of the nylon bullet holder shell 1 and the gas-closing ring 3 is improved, and the tightness in a launching process is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.