CN220931882U

CN220931882U - Unmanned aerial vehicle carries fuze and pulls out device

Info

Publication number: CN220931882U
Application number: CN202322597683.0U
Authority: CN
Inventors: 武丽婷; 肖洋; 谢乘风
Original assignee: Wuhan Leishen Special Equipment Co ltd
Current assignee: Wuhan Leishen Special Equipment Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-10
Anticipated expiration: 2033-09-25

Abstract

An unmanned aerial vehicle-mounted fuze pulling device comprises a sealing cover, a shell, a delay loading cylinder and a plug; a pull cover connected with a pull rope is arranged in the sealing cover, a firing pin sleeve is arranged in the shell, one end in the firing pin sleeve is slidably provided with a firing pin, and the other end is provided with a fire cap; the pull cover is connected with a brake sleeve, the brake sleeve is sleeved in the firing pin sleeve at the position far away from one end, and a shearing pin is connected between the brake sleeve and the firing pin sleeve; one end of the firing pin is sleeved in the brake sleeve and provided with a limiting groove, a limiting hole is formed in the brake sleeve corresponding to the limiting groove, and limiting balls are arranged in the limiting groove and the limiting hole; the firing pin is sleeved with a firing pin spring, a limiting boss is arranged in the firing pin sleeve, a limiting stop block is arranged on the firing pin, and the firing pin spring is limited between the limiting boss and the limiting stop block; the delay loading cylinder is internally filled with flame-expanding explosive columns, delay drugs and flame-expanding explosive columns, a smoke hole is formed in the delay loading cylinder, and a sealing sheet is arranged in the smoke hole; and a fuming agent is filled at one end, far away from the fire cap, in the delay charging cylinder.

Description

Unmanned aerial vehicle carries fuze and pulls out device

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle-mounted fuze pulling device.

Background

At present, part of fuzes used by unmanned aerial vehicles mainly comprise full-standby fuzes and counterweight fuzes. The full-automatic detonator is mainly provided with an activating mechanism, a safety mechanism, an explosion-spreading mechanism, an initiating explosive and the like, and the warhead can be initiated after the full-automatic detonator acts normally, but the detonator has certain safety risks in daily use and maintenance. The overall dimension and weight of the counterweight fuze are basically consistent with those of the full-standby fuze, and the counterweight fuze is internally provided with no safety, explosion-spreading mechanism, detonating explosive and the like, but the counterweight fuze cannot confirm whether normal actions and combat tasks are successful or not when the combat is ended.

Disclosure of utility model

Aiming at the problems, the utility model aims to provide the fuze pulling device which is arranged on the unmanned aerial vehicle-mounted warhead to simulate the action state of fuze firing the warhead in the actual flight process of the unmanned aerial vehicle, thereby not only enhancing the fidelity of daily training, but also reducing the requirements on facilities such as training sites and the like and meeting the training and using requirements of armies.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

An unmanned aerial vehicle airborne fuze hair pulling device comprises a sealing cover, a shell, a delay loading cylinder and a plug which are connected in sequence in a detachable mode;

a pull cover is arranged in the sealing cover and connected with a pull rope;

A firing pin sleeve is arranged in the shell, one end of the firing pin sleeve is slidably provided with a firing pin, and the other end of the firing pin sleeve is provided with a fire cap; the pull cover is connected with a brake sleeve, one end, far away from the pull cover, of the brake sleeve is sleeved in the firing pin sleeve, and a shearing pin is connected between the brake sleeve and the firing pin sleeve; one end of the firing pin is sleeved in the brake sleeve, a limiting groove is formed in the firing pin, at least one limiting hole is formed in the brake sleeve corresponding to the limiting groove, and a limiting ball is correspondingly arranged in the limiting groove and the limiting hole; the firing pin is sleeved with a firing pin spring, a limiting boss is arranged in the firing pin sleeve, a limiting stop block is arranged on the firing pin, and the firing pin spring is limited between the limiting boss and the limiting stop block;

The delay charging cylinder is internally and sequentially filled with flame-spreading explosive columns, delay drugs and flame-spreading explosive columns, at least two smoke holes are formed in the side wall of the delay charging cylinder, and sealing sheets are arranged in the smoke holes; and a fuming agent is filled at one end, far away from the fire cap, in the delay charging barrel.

Preferably, the sealing cover is in threaded connection with the shell, the shell is in threaded connection with the delay charging barrel, and the delay charging barrel is in threaded connection with the plug.

Preferably, a sealing ring is installed between the sealing cover and the shell.

Preferably, the limiting ball is a steel ball.

Further, a fire cap seat is arranged in the firing pin sleeve, and the fire cap is arranged on the fire cap seat.

Preferably, the fire cap is a HZ-5 type fire cap.

Preferably, the delay agent is a military W-2 tungsten series delay agent.

The utility model has the beneficial effects that:

(1) The utility model can effectively simulate the fuze action, meets the requirement of daily training and gives consideration to economy.

(2) The utility model indicates that the smoke generating agent is normally operated by igniting the smoke generating agent, and the combat task is successfully completed, thereby taking the safety into consideration.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 4 is a schematic view of the structure of the striker according to the present utility model;

FIG. 5 is a schematic view of a brake sleeve according to the present utility model;

FIG. 6 is a schematic view of the structure of the striking pin sleeve according to the present utility model;

In the figure:

100 sealing covers, 101 pull covers, 1011 pin holes, 102 pull ropes and 103 sealing rings;

200 shells, 210 firing pin sleeves, 211 first perforations, 212 limit bosses, 213 fire caps, 214 fire cap seats, 215 firing pin sleeves, 216 firing pin sleeve two sections, 220 brake sleeves, 221 limit holes, 222 shear pins, 223 bayonet locks, 224 second perforations, 230 firing pins, 231 limit grooves, 232 limit balls, 233 firing pin springs, 234 limit stops and 235 needle tips;

300 delay cartridge loading, 301 smoke hole, 302 sealing piece, 303 flame spreading grain, 304 delay agent and 305 smoke agent;

400 plugs.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality", "a number" or "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-6, the utility model provides an unmanned aerial vehicle-mounted fuze pulling device, which comprises a sealing cover 100, a shell 200, a delay cartridge 300 and a plug 400 which are detachably connected in sequence;

a pull cover 101 is arranged in the sealing cover 100, and the pull cover 101 is connected with a pull rope 102;

A firing pin sleeve 210 is installed in the shell 200, a firing pin 230 is slidably installed at one end in the firing pin sleeve 210, and a fire cap 213 is installed at the other end; the pull cover 101 is connected with a brake sleeve 220, one end of the brake sleeve 220, which is far away from the pull cover 101, is sleeved in the firing pin sleeve 210, and a shearing pin 222 is connected between the braking sleeve and the firing pin sleeve 210; one end of the firing pin 230 is sleeved in the brake sleeve 220, a limit groove 231 is formed in the firing pin 230, at least one limit hole 221 is formed in the brake sleeve 220 corresponding to the limit groove 231, and a limit ball 232 is correspondingly arranged in the limit groove 231 and the limit hole 221; the firing pin 230 is sleeved with a firing pin spring 233, a limit boss 212 is arranged in the firing pin sleeve 210, a limit stop 234 is arranged on the firing pin 230, and the firing pin spring 233 is limited between the limit boss 212 and the limit stop 234;

The delay charge cylinder 300 is sequentially filled with a flame expansion grain 303, a delay drug 304 and the flame expansion grain 303, at least two smoke holes 301 are formed in the side wall of the delay charge cylinder 300, and sealing sheets 302 are arranged in the smoke holes 301; the end of the extended charge cartridge 300 remote from the primer 213 is filled with a smoking agent 305.

Referring to fig. 6, two cylinders with different diameters are formed at the left end of the needle sleeve 210, namely a first needle sleeve segment 215 and a second needle sleeve segment 216, wherein the diameter of the first needle sleeve segment 215 is smaller than that of the second needle sleeve segment 216, and a limiting boss 212 is formed between the two cylinders with different diameters inside the needle sleeve 210.

Referring to fig. 3 and 6 in combination, the firing pin spring 233 is integrally located at the second section 216 of the firing pin sleeve, and two ends thereof respectively abut against the limit boss 212 and the limit stop 234.

In use of the present utility model, referring to fig. 3, the present device is mounted in a threaded hole of a warhead of an unmanned aerial vehicle, wherein an external thread is provided on an outer wall of a delay cartridge 300 of the present device for mounting the present device. The sealing cover 100 is detached, the pull rope 102 is hung on the front end of the unmanned aerial vehicle arm, and when the unmanned aerial vehicle emits and the unmanned aerial vehicle arm is unfolded, the pull rope 102 is pulled off. The pull cover 101 is pulled out by the pull rope 102, the pull cover 101 pulls the brake sleeve 220 to slide leftwards through the brake sleeve 220 to break the shear pin 222, when the shear pin 222 breaks, the brake sleeve 220 drives the firing pin 230 to slide leftwards through the limit ball 232, and the left end of the firing pin 230 slides out of the firing pin sleeve 210. When the striker 230 slides leftwards, the striker spring 233 is compressed under the restriction of the limit stopper 234 and the limit boss 212, and when the limit ball 232 slides out of the striker sleeve 210 along with the left end of the striker 230, the limit ball 232 falls out of the limit hole 221, at this time, the striker 230 is separated from the brake sleeve 220, and at the same time, the striker spring 233 is extended, and the striker 230 moves downwards by the action of the striker spring 233 and strikes the fire cap 213. When the firing pin 230 strikes the fire cap 213, a spark is generated and the first section of flame-expanding grain 303 is ignited, the first section of flame-expanding grain 303 ignites the delay agent 304, the delay agent 304 ignites the second section of flame-expanding grain 303, and the second section of flame-expanding grain 303 ignites the fuming agent 305. Meanwhile, when the flame-spreading cartridge 303 and the delay agent 304 burn, a large air pressure is generated in the delay cartridge 300, the air pressure breaks through the sealing piece 302 to open the smoke hole 301, and the smoke agent 305 burns and releases smoke from the smoke hole 301.

In addition, the smoke agent 305 is arranged to burn and release smoke for not less than 5 seconds in the present utility model.

In some embodiments, the seal cap 100 is screwed to the housing 200, the housing 200 is screwed to the delay cartridge 300, and the delay cartridge 300 is screwed to the plug 400. The screw connection is adopted to facilitate the whole disassembly and installation of the utility model, and the replacement and maintenance are convenient. In addition, other prior art means may be selected by those skilled in the art to effect the connection.

In some embodiments, a sealing ring 103 is mounted between the sealing cover 100 and the housing 200.

In some embodiments, the limit ball 232 is a steel ball.

In some embodiments, a fire cap base 214 is installed in the firing pin sleeve 210, and the fire cap 213 is installed on the fire cap base 214.

In some embodiments, the firecap 213 is a HZ-5 firecap.

In some embodiments, the delay agent 304 is a military W-2 tungsten-based delay agent.

Referring to fig. 4, the striking pin 230 of the present utility model is integrally formed in a cylindrical structure, one end of which is provided with a limit groove 231 along its circumference for mounting a limit ball 232, and the other end of which is provided with a needle tip 235 for striking the fire cap 213.

Referring to fig. 5, one end of the brake sleeve 220 is a sleeve-shaped structure, the other end is a connecting post, two limiting holes 221 are provided on the side wall of the sleeve-shaped structure, and when one end of the striker 230 provided with the limiting groove 231 is inserted into the sleeve-shaped structure, the two limiting holes 221 correspond to the inside and outside of the limiting groove 231. Referring to fig. 3, the limit ball 232 is installed in the limit groove 231 and the limit hole 221, and the side wall of the limit ball 232 is not in contact with the inner wall of the brake sleeve 220 when one end of the sleeve-type structure of the brake sleeve 220 is inserted into the striker sleeve 210. The stop ball 232 allows for a detachable connection of the brake sleeve 220 and the striker 230.

Referring to fig. 3, 5 and 6, the left end of the firing pin sleeve 210 is symmetrically provided with two first through holes 211, and the sidewall of the sleeve-type structure of the brake sleeve 220 is symmetrically provided with two second through holes 224. When the sleeve-type structure is inserted into the striker sleeve 210, the second through holes 224 and the first through holes 211 are respectively provided inside and outside, and the shearing pins 222 are inserted into the first through holes 211 and the second through holes 224 to be connected. Thereby preventing the brake sleeve 220 from being automatically separated from the firing pin sleeve 210 when no external force is applied. When the brake sleeve 220 is pulled, the shear pin 222 can be pulled apart to separate the brake sleeve 220 from the striker sleeve 210.

Referring to fig. 2, 3 and 5, a locking pin 223 is installed at one end of the connection post of the brake sleeve 220, and two pin holes 1011 are symmetrically formed on the pull cover 101, so that when the one end of the connection post of the brake sleeve 220 is inserted into the pull cover 101, the two can be connected through the locking pin 223.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The unmanned aerial vehicle-mounted fuze pulling device is characterized by comprising a sealing cover, a shell, a delay loading cylinder and a plug which are connected in sequence in a detachable mode;

a pull cover is arranged in the sealing cover and connected with a pull rope;

2. The unmanned aerial vehicle-mounted fuse pulling device of claim 1, wherein the sealing cover is in threaded connection with the housing, the housing is in threaded connection with the delay cartridge, and the delay cartridge is in threaded connection with the plug.

3. The unmanned aerial vehicle-mounted fuze pulling device according to claim 1 or 2, wherein a sealing ring is arranged between the sealing cover and the shell.

4. The unmanned aerial vehicle-mounted fuze pulling device of claim 1, wherein the limiting ball is a steel ball.

5. The unmanned aerial vehicle-mounted fuse pulling device of claim 1, wherein a fire cap seat is installed in the firing pin sleeve, and the fire cap is installed on the fire cap seat.

6. The unmanned aerial vehicle-mounted fuse pulling device of claim 1, wherein the fire cap is a HZ-5 type fire cap.

7. The unmanned aerial vehicle-mounted fuze hair pulling device according to claim 1, wherein the delay agent is a army-2 tungsten delay agent.