CN202748035U - Projectile motion simulation device in trajectory - Google Patents
Projectile motion simulation device in trajectory Download PDFInfo
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- CN202748035U CN202748035U CN2012202782851U CN201220278285U CN202748035U CN 202748035 U CN202748035 U CN 202748035U CN 2012202782851 U CN2012202782851 U CN 2012202782851U CN 201220278285 U CN201220278285 U CN 201220278285U CN 202748035 U CN202748035 U CN 202748035U
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Abstract
The utility model discloses a projectile motion simulation device in a trajectory, which mainly consists of a simulation test bed 1, a rotary mechanism 2 and a slippage mechanism 3, wherein the simulation device is mainly used for simulating the composite motion of two motions of rotating along a main shaft and deviating along the radial direction of the projectile in a flying trajectory; meanwhile, overload loading is implemented; and after halting, the physical state of a projectile filler is tested to realize a specific application. The projectile motion simulation device has the advantages of wide application, automated operation, and safety and reliability in use, and the rotating speed, the overload parameter and the deviation speed can be set according to the requirement.
Description
Technical field
The utility model relates to bullet motion simulator in a kind of trajectory, is mainly used in bullet motion simulation test in the trajectory.
Background technology
Developed multiple bullet arrow angular motion analogue means both at home and abroad, but major part is single-degree-of-freedom or two-freedom.People's Armed Police special police institute and Northcentral University once joint research and development Three Degree Of Freedom bullet arrow angular motion analogue means that can three angular motions of imitating shell arrow (precession, nutating, rotation), reproduced truly the skyborne angular motion state of bullet arrow, for the bullet kinds such as guided missile, shrapnel provide strong test platform with the design of fuse and guidance system.Institutes Of Technology Of Nanjing utilizes Three Degree Of Freedom high speed gyro analogue means to simulate the angular motion of bullet, can measure in real time and control 3 rotating shaft rotating speeds of high speed gyro analogue means simultaneously, has realized the real-time simulation of physics to the bullet angular motion.
It is less that above two kinds of angular motion analogue means introducing are used bullet kind scope, and can not implement the overload loading, and its action mode, structure etc. are all not identical with the present invention.At present, the data introduction of bullet motion simulator there is not yet report in the relevant trajectory.
Summary of the invention
The purpose of this utility model is the deficiency that solves Three Degree Of Freedom bullet arrow angular motion analogue means and Three Degree Of Freedom high speed gyro analogue means, and a kind of be hit by a bullet device of the rotatablely moving of ball, transverse acceleration and offset movement of trajectory of simulating is provided.
In order to understand physical state after the rugged surroundings of the inner fill of bullet in standing the projectile flight process and on the impact of terminal effect, to need test through the bullet fill after the flight test, live shell flight test workload is large, and follow-up work is comparatively complicated.For this reason, the trajectory parameter result who draws according to preliminary simulation calculation, as: rotational speed, transverse acceleration and migration parameter, bullet motion simulator in the design trajectory, the moving situation in the simulation bullet flight course.
Technical problem to be solved in the utility model is achieved through the following technical solutions.
Device of the present invention comprises simulator stand 1, slipping mechanism 2 and rotating mechanism 3; Rotating mechanism 3 is fixed on slipping mechanism 2 tops by Upright post base 13, and it is around the longitudinal axis direction that the rotary power direction is provided; Slipping mechanism 2 one ends are fixed on directly over the simulator stand 1, and an end carries out slippage action by ball-screw 10 driven rotary mechanisms 3 on simulator stand 1, and slippage can reset after putting in place.
Simulator stand 1 of the present invention comprises 4 universal wheels 5,4 adjustable support foots 6 and testing table base 7; 4 universal wheel 5 usefulness bolts are connected to testing table base 7 bottom surface centre positions, and 4 adjustable support foots 6 are evenly arranged in 4 edges of testing table base 7 bottom surfaces, are threaded with testing table base bottom surface.
This device has been realized the simulation to bullet motion state in the trajectory, and rotary power, transverse acceleration, lateral excursion in the projectile flight process are provided, and has greatly reduced live shell flight test amount, for simulation calculation provides a large amount of full and accurate data.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the analogue means structural representation among the present invention.
Fig. 2 is analogue means working example synoptic diagram.
Fig. 3 is the structural representation of simulator stand 1.
Fig. 4 is the structural representation of slipping mechanism 2.
Fig. 5 is the structural scheme of mechanism of rotating mechanism 3.
Wherein: 1. simulator stand 2. is slipping mechanism, 3. is rotating mechanism, 4. test block, 5. universal wheel, 6. adjustable support foot, 7. testing table base, 8. servomotor A, 9. spring coupling, 10. ball-screw, 11. slide plates, 12. sliding bearings, 13. Upright post base, 14. columns, 15. lifting nuts, 16. movable support brackets, 17. upper holder, 18. servo motor B, 19. profile of tooth belt wheel A, 20. profile of tooth belt wheel B, 21. cog belt, 22. bearings, 23. movable cutting ferrules, 24. upper shields.
Embodiment
In Fig. 1, rotating mechanism 3 is fixed on slipping mechanism 2 tops by Upright post base 13, and it is around the longitudinal axis direction that the rotary power direction is provided; Slipping mechanism 2 one ends are fixed on directly over the simulator stand 1, and an end carries out the slippage action by ball-screw 10 driven rotary mechanisms 3 on simulator stand 1.
In Fig. 2, test block 4 upper shafts are snapped in movable cutting ferrule 23, the lower end axle snaps in the cup dolly of movable support bracket 16, and moving lifting nut 15 moves up movable support bracket 16, and test block 4 is fixing.
In Fig. 3,4 universal wheel 5 usefulness bolts are connected to testing table base 7 bottom surface centre positions, and 4 adjustable support foots 6 are evenly arranged in 4 edges of testing table base 7 bottom surfaces, are threaded with testing table base bottom surface.
In Fig. 4, servomotor A 8 is fixed on testing table base 7 tops one side, be bolted on sliding bearing 12 sides, the axle center is connected with spring coupling 9, spring coupling 9 connects ball-screw 10, ball-screw 10 connects slide plate 11 belows, and sliding bearing 12 is fixed on testing table base 7 tops, and servomotor A 8, spring coupling 9, ball-screw 10 are trapped among inside.
In Fig. 5, Upright post base 13 is bolted on slide plate 11 tops; Column 14 is circular stainless-steel tube, and the lower end is connected with Upright post base 13 thread forms; Screw thread place in column 14 bottoms connects lifting nut 15; Movable support bracket 16 has two circular ports above lifting nut 15, a circular port is used for moving freely at column, and another circular port is inside step, is used for fixing test block; Column 14 upper ends are with the fixing upper holder 17 of thread forms; Servo motor B 18 hole that the right side is reserved on the upper holder 17 of packing into, bolt is connected and fixed; Pack into the axle of servo motor B 18 of profile of tooth belt wheel A 19; Bearing 22 is fixed on the hole that upper holder 17 left sides are reserved, and upper axle center connects profile of tooth belt wheel B 20, lower axle center connection activity cutting ferrule 23; Cog belt 21 teeth snap in transmitting rotary power between profile of tooth belt wheel A 19 and the profile of tooth belt wheel B 20; Be threaded between upper shield 24 and the upper holder 17.
As shown in Figure 2, test block 4 upper shafts are snapped in movable cutting ferrule 23, the lower end axle snaps in the cup dolly of movable support bracket 16, and moving lifting nut 15 moves up movable support bracket 16, and test block 4 is fixing.Then the rotational speed of setting analogue means is that 14r/s, sliding velocity are 1mm/s, run duration 20s and overload parameter 20g; starting slipping mechanism 2 and rotating mechanism 3 moves; test block 4 under the drive of rotating mechanism 3 to be rotated; whole rotating mechanism 3 and the test block 4 one simulator stand 1 enterprising line slip that coexists; after arriving schedule time 20s, the analogue means auto stop.In this process, analogue means provides and has rotatablely moved, sliding motion and transverse acceleration, has simulated the motion state of bullet in trajectory.
Claims (2)
1. bullet motion simulator in the trajectory, it is characterized in that: this device comprises simulator stand (1), slipping mechanism (2) and rotating mechanism (3); Simulator stand (1) comprises 4 universal wheels (5), 4 adjustable support foots (6) and testing table base (7), 4 universal wheels (5) are connected to testing table base (7) bottom surface centre position with bolt, 4 adjustable support foots (6) are evenly arranged in 4 edges of testing table base (7) bottom surface, are threaded with testing table base bottom surface; Slipping mechanism (2) comprises servomotor A (8), spring coupling (9), ball-screw (10), slide plate (11), sliding bearing (12); Servomotor A (8) is fixed on testing table base (7) top one side, be bolted on sliding bearing (12) side, the axle center is connected with spring coupling (9), spring coupling (9) connects ball-screw (10), ball-screw (10) connects slide plate (11) below, and sliding bearing (12) is fixed on testing table base (7) top; Rotating mechanism (3) comprises Upright post base (13), column (14), lifting nut (15), movable support bracket (16), upper holder (17), servo motor B (18), profile of tooth belt wheel A (19), profile of tooth belt wheel B (20), cog belt (21), bearing (22), movable cutting ferrule (23) and upper shield (24); Upright post base (13) is bolted on slide plate (11) top, column (14) lower end is connected with Upright post base (13) thread forms, screw thread place in column (14) bottom connects lifting nut (15), movable support bracket (16) is in lifting nut (15) top, column (14) upper end is with the fixing upper holder (17) of thread forms, servo motor B (18) hole that the upper right side of upper holder (17) is reserved of packing into, bolt is connected and fixed, pack into the axle of servo motor B (18) of profile of tooth belt wheel A (19); Bearing (22) is fixed on the hole that upper holder (17) left side is reserved, upper axle center connects profile of tooth belt wheel B (20), lower axle center connection activity cutting ferrule (23), cog belt (21) tooth snaps between profile of tooth belt wheel A (19) and the profile of tooth belt wheel B (20), is threaded between upper shield (24) and the upper holder (17); Rotating mechanism (3) is fixed on slipping mechanism (2) top by Upright post base (13), and it is around the longitudinal axis direction that the rotary power direction is provided; Slipping mechanism (2) one ends are fixed on directly over the simulator stand (1), and an end carries out slippage action at simulator stand (1) by ball-screw (10) driven rotary mechanism (3), and slippage can reset after putting in place.
2. according to bullet motion simulator in the 1 described trajectory, it is characterized in that simulating the motion state of bullet on trajectory, but the simulated flight time is 1～20s, it is 14～16r/s that rotating mechanism provides rotating speed, and the left and right directions transverse acceleration is 20g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202782851U CN202748035U (en) | 2012-06-14 | 2012-06-14 | Projectile motion simulation device in trajectory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202782851U CN202748035U (en) | 2012-06-14 | 2012-06-14 | Projectile motion simulation device in trajectory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748035U true CN202748035U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202782851U Expired - Fee Related CN202748035U (en) | 2012-06-14 | 2012-06-14 | Projectile motion simulation device in trajectory |
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| CN (1) | CN202748035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352368A (en) * | 2015-11-26 | 2016-02-24 | 上海新跃仪表厂 | Centering and directing mechanism adopting linear guide rail |
| CN109764773A (en) * | 2019-01-16 | 2019-05-17 | 北京航天嘉诚精密科技发展有限公司 | The bullet rolling analogue measurement system of fixed rudder Trajectory Correction Fuze semi-matter simulating system |
-
2012
- 2012-06-14 CN CN2012202782851U patent/CN202748035U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352368A (en) * | 2015-11-26 | 2016-02-24 | 上海新跃仪表厂 | Centering and directing mechanism adopting linear guide rail |
| CN105352368B (en) * | 2015-11-26 | 2017-03-08 | 上海新跃仪表厂 | A kind of centering directing mechanism of employing line slideway |
| CN109764773A (en) * | 2019-01-16 | 2019-05-17 | 北京航天嘉诚精密科技发展有限公司 | The bullet rolling analogue measurement system of fixed rudder Trajectory Correction Fuze semi-matter simulating system |
| CN109764773B (en) * | 2019-01-16 | 2021-03-23 | 北京航天嘉诚精密科技发展有限公司 | Projectile rolling simulation measurement system for fixed rudder trajectory correction fuse semi-physical simulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150614 |
|
| EXPY | Termination of patent right or utility model |