CN110057253B - Aviation ammunition parachute opening load and overload simulation system - Google Patents
Aviation ammunition parachute opening load and overload simulation system Download PDFInfo
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- CN110057253B CN110057253B CN201910294704.7A CN201910294704A CN110057253B CN 110057253 B CN110057253 B CN 110057253B CN 201910294704 A CN201910294704 A CN 201910294704A CN 110057253 B CN110057253 B CN 110057253B
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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
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Abstract
The invention discloses an aviation ammunition parachute opening overload simulation system which comprises an ammunition rack, a pickup truck, a power-on component, a release mechanism, a control switch and a limiting cylinder, wherein the limiting cylinder is arranged at one end of the upper end face of the ammunition rack, and the release mechanism is arranged at the other end of the upper end face of the ammunition rack. The invention has the beneficial effects that: during testing, a vehicle is required to do linear motion, when the vehicle is started, the vehicle is accelerated at a constant speed, a deceleration parachute in a deceleration part is fully inflated under the action of aerodynamic force and rotates at a high speed, a projectile obtains a simulated ballistic flight speed, after the design speed is reached, a test product is powered on through a power-on part, after the requirements are met, the power is cut off, the work flow of ammunition is started, a release mechanism releases the test product, the test product is rapidly decelerated under the action of the deceleration parachute, ballistic spreading parachute opening negative overload is generated, and the test product completes a work task under the effect of parachute opening negative overload. The system has simple structure and high reliability of simulated environmental force.
Description
Technical Field
The invention relates to a simulation system, in particular to an aviation secondary ammunition parachute opening overload simulation system, and belongs to the technical field of aviation primary and secondary ammunition application.
Background
At present, when aviation shrapnel products are researched, the ballistic parachute opening environmental force of the products cannot be verified on the ground. Usually, a test product is scattered by an airborne spreader or launched into the air by a rocket projectile to release an umbrella for testing, and the test process is complex, the technical difficulty is high, the preparation time is long, and the cost is high.
Disclosure of Invention
The invention aims to solve the problems that when an aviation shrapnel product is researched at present, the environment force of the parachute opening of the product trajectory cannot be verified on the ground, a test product is usually scattered by an airborne spreader or launched into the air by a rocket projectile to release the parachute for testing, the test process is complex, the technical difficulty is high, the preparation time is long, and the cost is high, and provides an aviation shrapnel parachute opening negative overload simulation system.
The purpose of the invention can be realized by the following technical scheme: the aviation ammunition parachute opening overload simulation system comprises an ammunition rack, a pickup truck, a power-on component, a release mechanism, a control switch and a limiting cylinder, wherein the ammunition rack is vertically arranged in a truck hopper at one end of the pickup truck, the ammunition rack is of a rectangular structure, one end of the upper end face of the ammunition rack is provided with the limiting cylinder, the other end of the upper end face of the ammunition rack is provided with the release mechanism, a connecting rod and a rope are arranged between the limiting cylinder and the release mechanism, and a test product is limited by the limiting cylinder so that the test product cannot move randomly in the running process of a vehicle;
wherein, a speed reduction part is arranged at one end of the limiting cylinder.
The invention has further technical improvements that: a restriction section of thick bamboo is cylindrical structure, and the experimental product cover is established inside a restriction section of thick bamboo, and restriction section of thick bamboo one end is provided with the opening that makes things convenient for experimental product to lead to out, makes things convenient for experimental product to launch out from a restriction section of thick bamboo when being experimental.
The invention has further technical improvements that: the connecting rod sets up in restriction section of thick bamboo one end lateral wall middle part, and the connecting rod passes through the one end of rope and is connected with release mechanism.
The invention has further technical improvements that: the deceleration component is provided with a deceleration parachute, the pickup truck is movably connected with the bullet rack and the deceleration component, during testing, the vehicle moves linearly, when the pickup truck is started, the pickup truck is accelerated at a constant speed, the deceleration parachute in the deceleration component is fully inflated under the action of aerodynamic force and rotates at a high speed, the uniform linear motion is kept after the set value is reached, the projectile obtains a simulated ballistic flight speed, after the designed speed is reached, the test product is powered on through the power-on component, the requirements are met, the power is cut off, the work flow of the ammunition is started, the test product is released by the release mechanism, the test product is rapidly decelerated under the action of the deceleration parachute, the negative overload of throwing the ballistic parachute is generated, and the test product completes work tasks under the negative overload of parachute opening.
The invention has further technical improvements that: bullet frame bottom edge is through the car hopper bottom fixed connection of a plurality of bolt and pick up car, guarantees that the bullet frame is firm more when using, and is more convenient for install, dismantle.
The invention has further technical improvements that: the top end face of the roof of the pickup truck is provided with a control switch matched with the release mechanism and the limiting cylinder, the control switch is electrically connected with the release mechanism and the limiting cylinder through leads, and the control switch controls the release mechanism and the limiting cylinder to start or stop working.
The operation method of the simulation system specifically comprises the following steps:
the method comprises the following steps: the test product is arranged on the limiting cylinder, then the speed reducing component is arranged, the test product is fixed on the releasing mechanism by the connecting rod and the rope, and the test product is limited by the limiting cylinder, so that the test product cannot move in the running process of the vehicle;
step two: during the test, the pickup truck makes linear motion, when the pickup truck is started, the pickup truck is accelerated at a constant speed, a deceleration parachute in a deceleration part is fully inflated under the action of aerodynamic force and rotates at a high speed, and the pickup truck keeps the uniform linear motion after reaching a set value, so that the projectile obtains a simulated trajectory flight speed;
step three: after the designed speed is reached, the power-on part is used for powering on the test product, the power is cut off and the ammunition work flow is started after the requirement is met, the release mechanism releases the test product, the test product is enabled to rapidly decelerate under the action of the speed reducer, negative overload of ballistic spreading and parachute opening is generated, and the test product completes work tasks under the negative overload of parachute opening.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, a test product is arranged on the limiting cylinder, then the speed reducing component is arranged, the test product is fixed on the releasing mechanism by the connecting rod and the rope, and the test product is limited by the limiting cylinder so that the test product cannot move randomly in the running process of a vehicle. During testing, a vehicle is required to do linear motion, when the vehicle is started, the vehicle is accelerated at a constant speed, a deceleration parachute in a deceleration part is fully inflated under the action of aerodynamic force and rotates at a high speed, the uniform linear motion is kept after a set value is reached, a projectile obtains a simulated ballistic flight speed, after the designed speed is reached, a test product is powered on through a power-on part, the power is cut off and the work flow of ammunition is started after the requirement is met, the test product is released by a release mechanism, the test product is rapidly decelerated under the action of the deceleration parachute, negative overload of ballistic spreading and parachute opening is generated, and the test product completes a work task under the negative overload of parachute opening. The system has simple structure and high reliability of simulated environmental force.
2. The system has the advantages of simple assembly of all components, convenient use, simple equipment and low cost.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the connection between the releasing mechanism and the limiting cylinder.
FIG. 3 is a front view of the release mechanism of the present invention in connection with a restraining cartridge.
In the figure: 1. a speed reduction part; 2. a cartridge frame; 3. pick-up cars; 4. a power-up component; 5. a connecting rod; 51. a rope; 6. a release mechanism; 7. a control switch; 8. a restraining cylinder; 9. and (4) testing the product.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-3, the aviation bullet parachute opening overload simulation system comprises a bullet rack 2, a pickup car 3, a power-on component 4, a release mechanism 6, a control switch 7 and a limiting cylinder 8, wherein the bullet rack 2 is vertically arranged in a hopper at one end of the pickup car 3, the bullet rack 2 is of a cuboid structure, one end of the upper end face of the bullet rack 2 is provided with the limiting cylinder 8, the other end of the upper end face of the bullet rack 2 is provided with the release mechanism 6, a connecting rod 5 and a rope 51 are arranged between the limiting cylinder 8 and the release mechanism 6, and a test product is limited by the limiting cylinder 8 so that the test product cannot move randomly in the running process of a vehicle;
wherein, one end of the limiting cylinder 8 is provided with a speed reducing component 1.
As a preferred embodiment of the present invention, the limiting cylinder 8 is a cylindrical structure, the test product 9 is sleeved inside the limiting cylinder 8, and one end of the limiting cylinder 8 is provided with an opening for facilitating the passage of the test product 9, so that the test product can be conveniently emitted out of the limiting cylinder 8 when being tested.
As a preferred embodiment of the present invention, the connecting rod 5 is disposed in the middle of the sidewall of one end of the restraining cylinder 8, and the connecting rod 5 is connected to the release mechanism 6 through one end of the rope 51.
As a better embodiment of the invention, a deceleration parachute is arranged on a deceleration part 1, a pickup truck 3 is movably connected with a bullet rack 2 and the deceleration part 1, during test, the pickup truck moves linearly, when starting, the pickup truck accelerates at a constant speed, the deceleration parachute in the deceleration part 1 is fully inflated under the action of aerodynamic force and rotates at a high speed, and after reaching a set value, the pickup truck keeps moving at a constant speed to enable a bullet to obtain a simulated ballistic flight speed, after reaching a design speed, a power-up part 4 powers up a test product 9, and after meeting requirements, the power is cut off and an ammunition working flow is started, a release mechanism 6 releases the test product 9, so that the test product 9 is rapidly decelerated under the action of the deceleration parachute, a ballistic parachute throwing-out negative overload is generated, and the test product completes a working task under the negative overload effect of parachute opening.
As a better embodiment of the invention, the edge of the bottom of the bullet rack 2 is fixedly connected with the bottom of the hopper of the pickup truck 3 through a plurality of bolts, so that the bullet rack 2 is more stable and firm when in use and is more convenient to mount and dismount.
As a preferred embodiment of the invention, the top end face of the roof of the pickup truck 3 is provided with a control switch 7 matched with the release mechanism 6 and the limiting cylinder 8, the control switch 7 is electrically connected with the release mechanism 6 and the limiting cylinder 8 through leads, and the control switch 7 controls the release mechanism 6 and the limiting cylinder 8 to start or stop working.
The operation method of the simulation system specifically comprises the following steps:
the method comprises the following steps: the test product 9 is arranged on the limiting cylinder 8, then the speed reducing component 1 is arranged, the test product 9 is fixed on the releasing mechanism 6 by the connecting rod 5 and the rope 51, and the test product 9 is limited by the limiting cylinder 8, so that the test product 9 cannot move in the running process of the vehicle;
step two: during the test, the pickup truck 3 makes a linear motion, when the pickup truck is started, the pickup truck is accelerated at a constant speed, the deceleration parachute in the deceleration part 1 is fully inflated under the action of aerodynamic force and rotates at a high speed, and the pickup truck keeps the uniform linear motion after reaching a set value, so that the projectile obtains a simulated trajectory flight speed;
step three: after the designed speed is reached, the power-on component 4 is used for powering on the test product 9, the power is cut off and the work flow of the ammunition is started after the requirement is met, the release mechanism 6 releases the test product 9, so that the test product 9 is rapidly decelerated under the action of the speed reducing parachute, ballistic parachute throwing and parachute opening negative overload is generated, and the test product 9 completes the work task under the parachute opening negative overload.
The working principle is as follows: when the device is used, firstly, the safety of each part of the device is checked, then a test product 9 is arranged on a limiting cylinder 8, then a speed reducing part 1 is arranged, the test product 9 is fixed on a releasing mechanism 6 by a connecting rod 5 and a rope 51, the test product 9 is limited by the limiting cylinder 8, so that the test product 9 cannot move in the running process of a vehicle, when in test, a pick-up truck 3 moves linearly, when in starting, the speed is accelerated at a constant speed, a speed reducing umbrella in the speed reducing part 1 is fully expanded under the action of aerodynamic force and rotates at a high speed, when a set value is reached, the linear motion is kept, so that a projectile obtains a simulated ballistic flight speed, after the designed speed is reached, the power is applied to the test product 9 by an applying part 4, the power is cut off after the requirement is met, the work flow of the ammunition is started, the releasing mechanism 6 releases the test product 9, so that the test product 9 is quickly decelerated under the action of the speed reducing umbrella, the negative overload of ballistic spreading and parachute opening is generated, and the test product 9 completes the work task under the negative overload of parachute opening.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. Aviation ammunition parachute-opening overload simulation system, its characterized in that: the device comprises a bullet rack (2), a pickup truck (3), a power-on component (4), a releasing mechanism (6), a control switch (7) and a limiting cylinder (8), wherein the bullet rack (2) is vertically arranged in a hopper at one end of the pickup truck (3), the bullet rack (2) is of a rectangular structure, the limiting cylinder (8) is arranged at one end of the upper end face of the bullet rack (2), the releasing mechanism (6) is arranged at the other end of the upper end face of the bullet rack (2), and a connecting rod (5) and a rope (51) are arranged between the limiting cylinder (8) and the releasing mechanism (6);
wherein, one end of the limiting cylinder (8) is provided with a speed reducing component (1);
the limiting cylinder (8) is of a cylindrical structure, the test product (9) is sleeved inside the limiting cylinder (8), and one end of the limiting cylinder (8) is provided with an opening which is convenient for the test product (9) to pass through;
the connecting rod (5) is arranged in the middle of the side wall of one end of the limiting cylinder (8), and one end of the connecting rod (5) is connected with the release mechanism (6) through a rope (51);
the operation method of the simulation system specifically comprises the following steps:
the method comprises the following steps: the test product (9) is arranged on the limiting cylinder (8), then the speed reducing component (1) is arranged, the test product (9) is fixed on the releasing mechanism (6) through the connecting rod (5) and the rope (51), and the test product (9) is limited through the limiting cylinder (8), so that the test product (9) cannot move in the running process of the vehicle;
step two: during the test, the pickup truck (3) makes linear motion, when in starting, the pickup truck is accelerated at a constant speed, the deceleration parachute in the deceleration part (1) is fully expanded under the action of aerodynamic force and rotates at a high speed, and the pickup truck keeps the uniform linear motion after reaching a set value, so that the projectile obtains a simulated trajectory flight speed;
step three: after the design speed is reached, the power-on component (4) is used for powering on the test product (9), the power is cut off and the ammunition work flow is started after the requirements are met, the release mechanism (6) releases the test product (9), so that the test product (9) is rapidly decelerated under the action of the speed reducing parachute to generate ballistic spreading parachute opening negative overload, and the test product (9) completes the work task under the parachute opening negative overload action.
2. An aviation ammunition parachute opening negative overload simulation system according to claim 1, wherein a parachute is arranged on the deceleration part (1), and the pick-up truck (3) is movably connected with the ammunition carrier (2) and the deceleration part (1).
3. An aviation ammunition parachute opening negative overload simulation system according to claim 1, wherein the bottom edge of the ammunition carrier (2) is fixedly connected with the bottom of a hopper of a pick-up truck (3) through a plurality of bolts.
4. An aviation ammunition parachute opening negative overload simulation system according to claim 1, wherein a control switch (7) matched with the release mechanism (6) and the limiting cylinder (8) is arranged on the upper end face of the roof of the pickup truck (3), and the control switch (7), the release mechanism (6) and the limiting cylinder (8) are electrically connected through conducting wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294704.7A CN110057253B (en) | 2019-04-12 | 2019-04-12 | Aviation ammunition parachute opening load and overload simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294704.7A CN110057253B (en) | 2019-04-12 | 2019-04-12 | Aviation ammunition parachute opening load and overload simulation system |
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| Publication Number | Publication Date |
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| CN110057253A CN110057253A (en) | 2019-07-26 |
| CN110057253B true CN110057253B (en) | 2021-10-01 |
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| CN201910294704.7A Active CN110057253B (en) | 2019-04-12 | 2019-04-12 | Aviation ammunition parachute opening load and overload simulation system |
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| CN111272028B (en) * | 2020-01-23 | 2022-11-08 | 西安现代控制技术研究所 | Ground test system for connecting rope aerial maximum straightening force for shrapnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4124960C2 (en) * | 1991-07-27 | 1995-11-16 | Rheinmetall Ind Gmbh | Submunition with a rotating parachute |
| CN104597280B (en) * | 2015-01-27 | 2017-12-22 | 北京空间机电研究所 | A kind of negative pressure bullet lid draws the experimental rig and test method of umbrella |
| CN104677662B (en) * | 2015-02-10 | 2017-03-08 | 中国工程物理研究院总体工程研究所 | Unstable body air-drop parachute-opening simulation test device and test method |
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