CN115451756B - Automatic control device for land-based landmark target - Google Patents
Automatic control device for land-based landmark target Download PDFInfo
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- CN115451756B CN115451756B CN202211321862.5A CN202211321862A CN115451756B CN 115451756 B CN115451756 B CN 115451756B CN 202211321862 A CN202211321862 A CN 202211321862A CN 115451756 B CN115451756 B CN 115451756B
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- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000008685 targeting Effects 0.000 claims abstract description 19
- 230000003139 buffering effect Effects 0.000 claims description 52
- 238000009434 installation Methods 0.000 claims description 47
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 238000005192 partition Methods 0.000 claims description 18
- 230000008093 supporting effect Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000012549 training Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 7
- 230000000670 limiting effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000010009 beating Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/10—Target stands; Target holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses an automatic control device for land targets, which belongs to the technical field of target practice apparatuses and comprises a fixed support bottom plate, a target practice fixing mechanism, an air flow conveying mechanism and a switch driving mechanism, wherein the fixed support bottom plate is arranged on the fixed support bottom plate; according to the invention, the problems of unsatisfactory training effect, inaccurate result transmission caused by relatively fixed target positions of the existing Liu Debiao targets and large result transmission caused by adopting a data coding wireless receiving and transmitting module, and the like in the early production cost and the later maintenance cost are solved, and the technical effects of automatic control and the like are realized by utilizing the linkage relation among a targeting fixing mechanism, an air flow transmission mechanism and a switch driving mechanism, through air fluctuation generated by shooting different areas of a target person and adjusting the generated air fluctuation, thereby changing air pressure under different modules, automatically controlling the distance between the target person and the target, knowing the result of the targeting this time through the moving direction of the device.
Description
Technical Field
The invention belongs to the technical field of target practice training instruments, and particularly relates to an automatic control device for a land-based landmark target.
Background
In the process of performing land shooting training, the target device is used for simulating shooting activities which are relatively close to actual shooting situations or self-defence shooting when the indicator is a shooting activity taking the target as a target, namely combat shooting, and performing performance judgment through the shooting result, but the following problems exist in some practical application scenes:
A. part of targets are usually provided with limiting mechanisms for limiting the overall movement of the targets, so that the overall stabilizing effect is improved, the flexibility of the phase-change reducing device is improved, enemies are constantly moved in the land actual combat process and keep a certain distance, the targets are limited and fixed in the training process, and the targets can be integrally moved, so that time and labor are wasted, and the effect of target shooting training is reduced;
B. the part target device needs to adopt wired data receiver and wireless transceiver module, records the target result of doing, carries out data transfer through standard ethernet, receives the restriction of magnetic field and environment sometimes, can cause data result structure unstable to cause the deviation of training result, and wireless transceiver module needs to carry out data encoding, and the cost budget is high, and cost of maintenance is big, difficult long-term use.
Disclosure of Invention
Aiming at the situation, the invention provides an automatic control device for land targets, which aims to solve the problems that the prior Liu Debiao targets are relatively fixed in position, so that the training effect is not ideal, the wireless transceiver module adopting data coding is used for transmitting the result, the result is deviated and inaccurate, and meanwhile, the production cost in the early stage and the maintenance cost in the later stage are relatively high; utilize the linkage relation between fixed establishment of target, air current transport mechanism and the switch actuating mechanism, through the air fluctuation that the target person shot different regions produced, and adjust the processing to the air fluctuation that produces, thereby cause the change of air pressure under the different modules, under airtight environment, along with the stable increase of air pressure, make switch actuating mechanism work, and then can automatic control target person and the distance between the target, through the direction that the device removed, alright know the result of carrying out the target this time, can realize technical effects such as automatic control.
The technical scheme adopted by the invention is as follows: the invention provides an automatic control device for a land target, which comprises a fixed supporting bottom plate, a targeting fixing mechanism, an air flow conveying mechanism and a switch driving mechanism, wherein an operation fixing box is arranged in the fixed supporting bottom plate, an adaptive auxiliary mounting plate is arranged at the top of the operation fixing box, the targeting fixing mechanism is arranged at the top of the auxiliary mounting plate, the switch driving mechanism is arranged in the operation fixing box, the air flow conveying mechanism is arranged on the outer wall of one side of the operation fixing box, the targeting fixing mechanism impacts the impact on the surface of a circular installation guide plate, so that the air pressure in different areas of the surface of the circular installation guide plate is changed, the air pressure changed in different areas is conveyed into the switch driving mechanism through the air flow conveying mechanism, and under the condition of changing the air pressure, the switch of a driving motor is operated and controlled, so that the position of the targeting fixing mechanism in an inner mounting groove is moved, and the automatic control of a target device is realized.
Preferably, the fixed mechanism of target shooting includes back fixed support pole, circular fixed target I, circular fixed target II, circular fixed target III, buffering reducing mechanism, circular installation deflector and circular auxiliary fixed plate, the top both ends of auxiliary mounting panel are equipped with back fixed support pole respectively, two the other end of back fixed support pole is located one side of circular auxiliary fixed plate, the opposite side of circular auxiliary fixed plate is located to buffering reducing mechanism, the opposite side of buffering reducing mechanism is located to one side of circular installation deflector, circular fixed target I, circular fixed target II, circular fixed target III are installed respectively to the opposite side surface of circular installation deflector by outside, utilize circular fixed target I, circular fixed target II and circular fixed target III to distinguish the achievement of target shooting people to through beating to circular fixed target I and circular fixed target III, activate switch actuating mechanism, make the device independently change horizontal distance, the buffering reducing mechanism that sets up between circular installation deflector and the circular auxiliary fixed plate can cushion the impact, and cooperate the effect of back fixed support pole, make the device whole can provide circular fixed target I, circular fixed target II and circular fixed target III are all fixed with circular fixed material, circular fixed target I, circular fixed target II and circular fixed target III are all can be used to the fixed with the fixed air, circular material is fixed.
Further, the air flow transmission mechanism comprises an air conduction pipe I, an air conduction pipe II, an air pressure adjusting box, an air flow conduction exchange pipe I, an air flow conduction exchange pipe II, an air discharge valve I, an air discharge valve II, an internal partition plate I, an air flow transmission hole II and an air flow transmission hole III, wherein the air pressure adjusting box is arranged on the outer wall of one side of the operation fixing box, the internal partition plate I is arranged in the air pressure adjusting box, the air discharge valve I and the air discharge valve II are respectively arranged on the outer wall of the other side of the air pressure adjusting box, one end of the air conduction pipe I penetrates through one end of the top of the air pressure adjusting box, the other end of the air conduction pipe I penetrates through the inner part of the round fixing target III, one end of the air conduction pipe II penetrates through the other end of the top of the air pressure adjusting box, the other end of the air conduction pipe II penetrates through the inner part of the round fixing target I, the round fixed target I is hit by the target hit person, the surface of the round fixed target I can be impacted, the air in the round fixed target I extrudes and flows, the air conduction pipe II can transmit the extruded air to the inside of the air pressure regulating box, the surface of the round fixed target III can be impacted, the air in the round fixed target III extrudes and flows, the air conduction pipe transmits the extruded air to the inside of the air pressure regulating box for a while, the air generated by the air conduction pipe I and the air conduction pipe II are extruded and separated by the internal partition board for a while, the tightness of the inside of the air pressure regulating box is ensured, the inside of the operation fixing box is communicated with the inside of the air pressure regulating box, the air in the operation fixing box is exhausted in the later period, the air pressure in the operation fixing box and the air pressure regulating box can be reduced by only rotating the air exhaust valve I and the air exhaust valve II, the subsequent use is convenient.
As a further preferred aspect of the present invention, the switch driving mechanism includes an auxiliary threaded rod, an inner partition plate, a buffer fixing rod, a buffer auxiliary spring, a transverse threaded connecting rod, a threaded auxiliary block, an air flow adjusting fan blade, a switch adjusting control cavity, a rectangular moving plate, a control mounting block, a power switch button, an auxiliary fixing groove and a driving motor, two groups of switch adjusting control cavities with the same structure are provided in the inner part of the operation fixing box, the inner partition plate is provided on one side of the switch adjusting control cavity, auxiliary fixing grooves are respectively provided on inner walls of two adjacent sides of the operation fixing box and the inner partition plate, the transverse threaded connecting rod is provided in the switch adjusting control cavity, the threaded auxiliary block is provided on an outer wall of the transverse threaded connecting rod, a plurality of air flow adjusting fan blades with the same size are provided on an outer wall of the threaded auxiliary block, the other side of the threaded auxiliary block is provided with a rectangular moving plate matched with the auxiliary fixing grooves, extruded air enters the inside of the switch adjusting control cavity, the threaded auxiliary block drives the air flow adjusting fan blade to rotate on the surface of the transverse threaded connecting rod under the condition of air pressurization, the rectangular moving plate can automatically move at a uniform speed under the action of the auxiliary moving plate, and the rectangular moving plate is driven to perform the continuous movement at a uniform speed under the action of the auxiliary groove.
Preferably, the inside of buffering reducing gear is equipped with rectangle installation piece, buffering gag lever post and spacing fixed chamber, the outer wall of rectangle installation piece one side is installed in the outer wall of circular auxiliary fixation board, spacing fixed chamber has been seted up to the inside of rectangle installation piece, the inside in spacing fixed chamber is located to the buffering gag lever post, the inner wall of rectangle installation piece is located to the one end of buffering gag lever post, one side of circular installation deflector is located to the other end of buffering gag lever post, receives the target impact after the circular installation deflector, and the buffering gag lever post compresses and rebounds in the inside in spacing fixed chamber, cushion the regulation to the impact, avoids causing the damage of circular installation deflector under powerful impact force, influences the later stage use.
As a further preferred aspect of the present invention, an air flow transmission hole is formed in the third circular fixed target, one end of the first air conduction pipe is connected with the third circular fixed target through the first air flow transmission hole, an air flow transmission hole is formed in the first circular fixed target, one end of the second air conduction pipe is connected with the first circular fixed target through the second air flow transmission hole, the first air flow conduction exchange pipe is arranged on one side of the outer wall of the air pressure adjusting box, the second air flow conduction exchange pipe is arranged on the other side of the outer wall of the air pressure adjusting box, air flow transmission holes are formed in two ends of the outer wall of one side of the operation fixing box respectively, and the first air flow conduction exchange pipe and the second air flow exchange pipe are connected with the inside of the operation fixing box through the third air flow transmission hole respectively.
Further, one side of the screw thread auxiliary block is provided with a buffer fixing rod II, the outer wall of the buffer fixing rod II is wound with a buffer auxiliary spring II matched with the buffer fixing rod II, the other end of the buffer fixing rod II is arranged on one side of the inner wall of the operation fixing box, a control installation block is installed on one side of the outer wall of the rectangular moving plate, a power switch button matched with the control installation block is installed on the other side of the inner wall of the operation fixing box, the screw thread auxiliary block can be effectively stretched and retracted under the matching of the buffer fixing rod II and the buffer auxiliary spring II, the screw thread auxiliary block is prevented from moving at the outer wall of the transverse screw thread connecting rod at will, the overall control effect of the device is influenced, after the rectangular moving plate drives the control installation block to move on the outer wall of the transverse screw thread connecting rod, the power switch button can control a driving motor, and therefore automatic control work of the device is achieved.
Preferably, the driving motor is mounted on two sides of the inner wall of the internal mounting groove, the auxiliary threaded rod is arranged at the output end of the driving motor, the driving motor is electrically connected with the power switch button through a conducting wire, one end of the auxiliary threaded rod penetrates through the inside of the operation fixing box and extends to one side of the inner wall of the internal mounting groove, after the control mounting block contacts the power switch button, the power switch button can control the driving motor, the driving motor can drive the auxiliary threaded rod at the output end to rotate, so that the distance of the targeting fixing mechanism inside the internal mounting groove can be automatically adjusted, the distance of the auxiliary threaded rod can be controlled through the targeting result without manual operation, and the automatic work of the device is improved.
Further, the inside of fixed stay bottom plate has seted up the internally mounted recess, the fixed mounting spout has been seted up respectively to the inner wall of internally mounted recess both sides, two the inside of fixed mounting spout is equipped with buffering dead lever one respectively, two the outer wall of buffering dead lever one is around being equipped with matched with buffering auxiliary spring one respectively.
As a further preferred aspect of the present invention, the bottom of the inner wall of the fixed supporting bottom plate is provided with a bottom connecting rod, the bottom of the operation fixing box is provided at the top of the bottom connecting rod, the first buffer fixing rods are respectively provided at the outer walls of the two sides of the bottom connecting rod, and the operation fixing box can stably move in the inner installation groove under the operation of the driving motor through the interaction of the first buffer fixing rods and the first buffer auxiliary springs, and the bottom connecting rod bears the operation fixing box, so that the overall stability of the device is further improved.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) The impact on the target-shooting fixing mechanism is caused to change the air pressure in different areas on the surface of the circular installation guide plate, the changed air pressure in different areas is transmitted to the inside of the switch driving mechanism through the air flow transmission mechanism, and under the condition that the air pressure is changed, the switch of the driving motor is operated and controlled, so that the target-shooting fixing mechanism moves in the position of the inner installation groove, and further, the automatic control of the target device is realized;
(2) The achievement of a target beating person is distinguished by the first round fixed target, the second round fixed target and the third round fixed target, and the switch driving mechanism is activated by beating the first round fixed target and the third round fixed target, so that the device can automatically change the transverse distance, the impact can be buffered by the buffer and speed reducing mechanism arranged between the round installation guide plate and the round auxiliary fixed plate, and the buffer and speed reducing mechanism is matched with the action of the back fixed support rod, so that the whole device can provide a supporting effect under the targeted impact force, the surfaces of the first round fixed target, the second round fixed target and the third round fixed target are made of elastic rubber materials, and gaps are formed in the first round fixed target, the second round fixed target and the third round fixed target, so that the air can flow conveniently;
(3) The surface of the round fixed target I is impacted by a target person, the air in the round fixed target I extrudes and flows, the extruded air is conveyed to the inside of the air pressure regulating box by the air conduction through pipe II, the surface of the round fixed target III is impacted by the target person, the air in the round fixed target III extrudes and flows, the extruded air is conveyed to the inside of the air pressure regulating box by the air conduction through pipe I, the air generated by the air conduction through pipe I and the air generated by the air conduction through pipe I are extruded and separated by the air conduction through pipe I, the tightness of the inside of the air pressure regulating box is ensured, and the air in the operation fixing box I and the air discharge valve II are required to be discharged in the later period, so that the air pressure in the operation fixing box and the air pressure regulating box can be reduced, and the subsequent use is facilitated;
(4) The extruded air enters the switch adjusting control cavity, the threaded auxiliary block drives the air flow adjusting fan blade to rotate and move on the surface of the transverse threaded connecting rod under the condition of air pressurization, and the increase of air pressure is adjusted, so that the air can be blown to one side of the rectangular moving plate at a uniform speed, the rectangular moving plate is driven to move under the limit effect of the auxiliary fixing groove, and further automatic switching work is carried out;
(5) After the round installation guide plate is subjected to targeted impact, the buffer limiting rod compresses and rebounds in the limiting fixed cavity, and the impact is buffered and regulated, so that the damage of the round installation guide plate caused by strong impact force is avoided, and the later use is influenced;
(6) Under the cooperation of the second buffering fixing rod and the second buffering auxiliary spring, the thread auxiliary block can be effectively stretched and retracted, the phenomenon that the thread auxiliary block moves at will on the outer wall of the transverse thread connecting rod to affect the overall control effect of the device is avoided, when the rectangular moving plate drives the control mounting block to move on the outer wall of the transverse thread connecting rod, after the control mounting block contacts with the power switch button, the power switch button can control the driving motor, and therefore automatic control work of the device is achieved;
(7) When the control mounting block contacts the power switch button, the power switch button can control the driving motor, and the driving motor can drive the auxiliary threaded rod at the output end to rotate, so that the distance inside the internal mounting groove of the targeting fixing mechanism can be automatically adjusted, the distance can be controlled through the targeting result without manual operation, and the automatic work of the device is improved;
(8) Through the interaction of the first buffer fixing rod and the first buffer auxiliary spring, the operation fixing box can stably move in the inner mounting groove under the working of the driving motor, and the bottom connecting rod bears the operation fixing box, so that the overall stability of the device is further improved;
(9) According to the first round fixed target and the third round fixed target of the target beating person, the generated air pressure is changed and is respectively transmitted to the inside of two groups of different switch adjusting control cavities through the first air flow transmission exchange tube and the second air flow transmission exchange tube, so that the forward rotation and reverse rotation functions of the driving motor are controlled, and the target beating fixing mechanism is driven to move at different positions, and the integral automatic setting of the target is realized.
Drawings
FIG. 1 is a perspective view of an automatic control device for land-based targets according to the present invention;
FIG. 2 is a front view of an automatic control device for land-based targets according to the present invention;
FIG. 3 is a side view of an automatic control device for land-based targets according to the present invention;
FIG. 4 is a top view of an automatic control device for land-based targets according to the present invention;
FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 6 is a cross-sectional view taken along section line B-B in FIG. 5;
FIG. 7 is a cross-sectional view taken along section line C-C in FIG. 3;
FIG. 8 is a cross-sectional view taken along section line D-D in FIG. 4;
FIG. 9 is a cross-sectional view taken along section line E-E in FIG. 8;
FIG. 10 is a cross-sectional view taken along section line F-F in FIG. 6;
FIG. 11 is a cross-sectional view taken along section line G-G in FIG. 5;
FIG. 12 is an enlarged view of a portion of the portion I of FIG. 7;
fig. 13 is an enlarged view of a portion at ii in fig. 10.
1, fixing a supporting bottom plate; 2. a chute is fixedly installed; 3. buffering the first fixed rod; 4. buffering an auxiliary spring I; 5. an auxiliary threaded rod; 6. operating the fixed box; 7. an auxiliary mounting plate; 8. a back fixing support rod; 9. round fixed target I; 10. a second round fixed target; 11. a round fixed target III; 12. a buffer and speed reduction mechanism; 13. an air conduction pipe I; 14. an air conduction pipe II; 15. a guide plate is circularly installed; 16. an internal mounting groove; 17. a bottom connecting rod; 18. a circular auxiliary fixing plate; 19. an air pressure adjusting box; 20. an air flow conduction exchange tube I; 21. an airflow conduction exchange tube II; 22. an air discharge valve I; 23. an air discharge valve II; 24. an internal partition panel I; 25. an internal partition board II; 26. an air flow transmission hole I; 27. a buffer fixing rod II; 28. buffer auxiliary spring II; 29. a transverse threaded connecting rod; 30. a threaded auxiliary block; 31. air flow regulating fan blades; 32. a switch regulating control cavity; 33. a rectangular moving plate; 34. controlling the mounting block; 35. a power switch button; 36. an auxiliary fixing groove; 37. an air flow transmission hole II; 38. an air flow transmission hole III; 39. a rectangular mounting block; 40. a buffer stop lever; 41. a limit fixing cavity; 42. a driving motor; 43. a switch driving mechanism; 44. a targeting fixing mechanism; 45. an air flow conveying mechanism.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1 to 13, the invention provides an automatic control device for land-based targets, which comprises a fixed supporting bottom plate 1, a targeting fixing mechanism 44, an air flow conveying mechanism 45 and a switch driving mechanism 43, wherein an operation fixing box 6 is arranged in the fixed supporting bottom plate 1, an adaptive auxiliary mounting plate 7 is arranged at the top of the operation fixing box 6, the targeting fixing mechanism 44 is arranged at the top of the auxiliary mounting plate 7, the switch driving mechanism 43 is arranged in the operation fixing box 6, the air flow conveying mechanism 45 is arranged on the outer wall of one side of the operation fixing box 6, the targeting fixing mechanism 44 is subjected to impact, so that the air pressure in different areas of the surface of a circular installation guide plate is changed, the changed air pressure in different areas is conveyed into the switch driving mechanism 43 through the air flow conveying mechanism 45, and under the condition that the air pressure is changed, the switch of the driving motor 42 is controlled in an operation mode, so that the position of the targeting fixing mechanism 44 is moved in the inner mounting groove 16 is realized, and the automatic control of the target device is realized.
The targeting fixing mechanism 44 comprises a back fixing support rod 8, a first round fixing target 9, a second round fixing target 10, a third round fixing target 11, a buffering and decelerating mechanism 12, a round mounting guide plate 15 and a round auxiliary fixing plate 18, wherein the back fixing support rods 8 are respectively arranged at the two ends of the top of the auxiliary mounting plate 7, the other ends of the two back fixing support rods 8 are arranged on one side of the round auxiliary fixing plate 18, the buffering and decelerating mechanism 12 is arranged on the other side of the round auxiliary fixing plate 18, one side of the round mounting guide plate 15 is arranged on the other side of the buffering and decelerating mechanism 12, the first round fixing target 9, the second round fixing target 10 and the third round fixing target 11 are respectively arranged on the surface of the other side of the round mounting guide plate 15 from outside to inside, the achievement of a target person is distinguished by utilizing the first round fixing target 9, the second round fixing target 10 and the third round fixing target 11, and through beating first 9 and the circular fixed target third 11 of circular fixed target, activate switch actuating mechanism 43, make the device can independently change horizontal distance, the buffering reduction gears 12 that set up between circular installation deflector 15 and the circular auxiliary fixation board 18, can cushion the impact, and cooperate back fixed support pole 8's effect, make the whole device can provide the supporting role under the target impact force, but the surface of circular fixed target first 9, circular fixed target second 10 and circular fixed target third 11 all adopts elastic rubber material, and circular fixed target first 9, circular fixed target second 10 and circular fixed target third 11's inside all is equipped with the space, flow between the air of being convenient for.
The inside of buffering reduction gears 12 is equipped with rectangle installation piece 39, buffering gag lever post 40 and spacing fixed chamber 41, the outer wall of rectangle installation piece 39 one side is installed in the outer wall of circular auxiliary fixation board 18, spacing fixed chamber 41 has been seted up to the inside of rectangle installation piece 39, the inside in spacing fixed chamber 41 is located to buffering gag lever post 40, the inner wall of rectangle installation piece 39 is located to the one end of buffering gag lever post 40, one side of circular installation deflector 15 is located to the other end of buffering gag lever post 40, after circular installation deflector 15 receives the target impact, buffering gag lever post 40 compresses and rebounds in the inside in spacing fixed chamber 41, buffer adjustment is carried out to the impact, avoid causing the damage of circular installation deflector under powerful impact force, influence later stage use.
The inside of fixed support bottom plate 1 has seted up internally mounted recess 16, and fixed mounting spout 2 has been seted up respectively to the inner wall of internally mounted recess 16 both sides, and the inside of two fixed mounting spouts 2 is equipped with buffering dead lever one 3 respectively, and the outer wall of two buffering dead levers one 3 is around being equipped with matched with buffering auxiliary spring one 4 respectively.
The air flow transmission mechanism 45 comprises an air conduction pipe I13, an air conduction pipe II 14, an air pressure regulating box 19, an air flow conduction exchange pipe I20, an air flow conduction exchange pipe II 21, an air discharge valve I22, an air discharge valve II 23, an internal partition plate I24, an air flow transmission hole I26, an air flow transmission hole II 37 and an air flow transmission hole III 38, wherein the air pressure regulating box 19 is arranged on the outer wall of one side of the operation fixing box 6, the internal partition plate I24 is arranged in the air pressure regulating box 19, the outer wall of the other side of the air pressure regulating box 19 is respectively provided with the air discharge valve I22 and the air discharge valve II 23, one end of the air conduction pipe I13 penetrates through one end of the top of the air pressure regulating box 19, the other end of the air conduction pipe I13 penetrates through the interior of the round fixing target III 11, one end of the air conduction pipe II 14 penetrates through the other end of the top of the air pressure regulating box 19, the other end of the air conduction pipe II 14 penetrates through the inside of the round fixed target I9, the round fixed target I9 is hit by a target hit person, the surface of the round fixed target I9 is impacted, the air in the round fixed target I9 is extruded and flows, the air conduction pipe II 14 can transmit the extruded air to the inside of the air pressure regulating box 19, the surface of the round fixed target III 11 is impacted, the air in the round fixed target III 11 is extruded and flows, the air conduction pipe I13 can transmit the extruded air to the inside of the air pressure regulating box 19, the air generated by the air conduction pipe I24 can be extruded and separated, the tightness of the inside of the air pressure regulating box 19 is ensured, the air in the operation fixing box 6 is required to be discharged in the later stage, the air discharge valve I22 and the air discharge valve II 23 are only required to be rotated out, the air pressure in the operation fixing box 6 and the air pressure adjusting box 19 can be reduced, and the subsequent use is convenient.
The inside of circular fixed target three 11 has been seted up air current transfer hole one 26, air conduction way one 13's one end is connected with circular fixed target three 11 through air current transfer hole one 26, air current transfer hole two 37 have been seted up to the inside of circular fixed target one 9, air conduction way two 14's one end is connected with circular fixed target one 9 through air current transfer hole two 37, one side of air pressure regulating box 19 outer wall is located to air current conduction exchange pipe one 20, air pressure regulating box 19 outer wall's opposite side is located to air current conduction exchange pipe two 21, air current transfer hole three 38 has been seted up respectively to the both ends of operation fixed box 6 one side outer wall, air current conduction exchange pipe one 20 and air current exchange pipe two 21 are respectively through air current transfer hole three 38 and operation fixed box 6's internal connection.
The bottom of fixed support bottom plate 1 inner wall is equipped with bottom connecting rod 17, and the top of bottom connecting rod 17 is located to the bottom of operation fixed box 6, and outer wall on bottom connecting rod 17 both sides is located respectively to buffering dead lever one 3, through the interaction of buffering dead lever one 3 and buffering auxiliary spring one 4, under driving motor 42's work, the inside stable removal of inside mounting groove 16 of operation fixed box 6 alright to bottom connecting rod 17 bears the effect to operation fixed box 6, further improves the holistic stability of device.
The switch driving mechanism 43 comprises an auxiliary threaded rod 5, an inner partition plate II 25, a buffer fixing rod II 27, a buffer auxiliary spring II 28, a transverse threaded connecting rod 29, a threaded auxiliary block 30, an airflow adjusting fan blade 31, a switch adjusting control cavity 32, a rectangular moving plate 33, a control mounting block 34, a power switch button 35, an auxiliary fixing groove 36 and a driving motor 42, wherein two groups of switch adjusting control cavities 32 with the same structure are arranged in the operation fixing box 6, the inner partition plate II 25 is arranged on one side of the switch adjusting control cavity 32, auxiliary fixing grooves 36 are respectively formed in the inner walls of the adjacent sides of the operation fixing box 6 and the inner partition plate II 25, the transverse threaded connecting rod 29 is arranged in the switch adjusting control cavity 32, the threaded auxiliary block 30 is arranged on the outer wall of the transverse threaded connecting rod 29, a plurality of groups of airflow adjusting fan blades 31 with the same size are arranged on the outer wall of the threaded auxiliary block 30, rectangular moving plates 33 matched with the auxiliary fixing grooves 36 are arranged on the other side of the threaded auxiliary block 30, extruded air enters the inside the switch adjusting control cavity 32, the threaded auxiliary block 30 drives the airflow adjusting fan blade 31 to move in a rotating mode on the surface of the transverse threaded connecting rod 29 under the condition of air pressurization, the condition that the air is automatically moved at a uniform speed, the rectangular moving plates can be driven by the rectangular moving plates 33 at the constant speed after the rectangular moving plates are driven by the rectangular moving plates, and the air pressure plates can move at the constant speed under the action of the auxiliary moving plates 33.
The outer wall of the second buffering fixing rod 27 is wound with the second matched buffering auxiliary spring 28, the other end of the second buffering fixing rod 27 is arranged on one side of the inner wall of the operation fixing box 6, the control installation block 34 is installed on one side of the outer wall of the rectangular moving plate 33, the power switch button 35 matched with the control installation block 34 is installed on the other side of the inner wall of the operation fixing box 6, the second buffering fixing rod 27 and the second buffering auxiliary spring 28 are matched, the thread auxiliary block 30 can be effectively stretched and retracted, the thread auxiliary block 30 is prevented from moving at will on the outer wall of the transverse thread connecting rod 29, the overall control effect of the device is affected, when the rectangular moving plate 33 drives the control installation block 34 to move on the outer wall of the transverse thread connecting rod 29, and after the control installation block 34 contacts the power switch button 35, the power switch button 35 controls the driving motor 42, and accordingly automatic control work of the device is achieved.
The driving motor 42 is installed in the both sides of internal mounting recess 16 inner wall, the output of driving motor 42 is located to supplementary threaded rod 5, through conducting wire electric connection between driving motor 42 and the switch button 35, the inside of operation fixed box 6 is passed to supplementary threaded rod 5 one end and one side of internal mounting recess 16 inner wall is extended, after control installation piece 34 contact switch button 35, switch button 35 can control driving motor 42, driving motor 42 can drive the supplementary threaded rod 5 of output and rotate, thereby can automatically regulated target fixing mechanism 44 is inside the distance of internal mounting recess 16, need not the result control its distance of manual operation through the target, the automation of improvement device, the driving motor 42 who adopts in this application is ripe prior art, driving motor 42's theory of operation is familiar to the person skilled in the art, the description of its theory of operation is not too much here.
In specific use, the achievement of the target is distinguished by the round fixed target one 9, the round fixed target two 10 and the round fixed target three 11, and the switch driving mechanism 43 is activated by striking the round fixed target one 9 and the round fixed target three 11;
embodiment one: when a target is hit by a target person, when the round fixed target I9 is hit, the surface of the round fixed target I9 is impacted, air in the round fixed target I9 is extruded and flows, the air conduction through pipe II 14 can transmit the extruded air into the air pressure adjusting box 19, the screw thread auxiliary block 30 drives the air flow adjusting fan blade 31 to rotate and move on the surface of the transverse screw thread connecting rod 29 under the condition of air pressurization, the increase of air pressure is adjusted, so that the air can be blown to one side of the rectangular moving plate 33 at a uniform speed, the rectangular moving plate 33 is driven to move under the limiting effect of the auxiliary fixing groove 36, after the control mounting block 34 contacts the power switch button 35, the power switch button 35 controls the driving motor 42, so that the driving motor 42 rotates clockwise through the auxiliary threaded rod 5, and the target fixing mechanism 44 moves forwards in the inner mounting groove 16, and the target person can adapt to the device better;
embodiment two: the round fixed targets three 11 are hit by a target person, the surface of the round fixed targets three 11 is impacted, air in the round fixed targets three 11 is extruded and flows, the air conduction through pipe I13 can convey the extruded air into the air pressure adjusting box 19, the screw thread auxiliary block 30 drives the air flow adjusting fan blades 31 to rotate and move on the surface of the transverse screw thread connecting rod 29 under the condition of air pressurization, the air pressure is adjusted to be increased, the air can be blown to one side of the rectangular moving plate 33 at a uniform speed, the rectangular moving plate 33 is driven to move under the limiting effect of the auxiliary fixing groove 36, after the power switch button 35 is contacted by the control mounting block 34, the power switch button 35 controls the driving motor 42, the driving motor 42 rotates anticlockwise through the auxiliary threaded rod 5, and the target fixing mechanism 44 moves backwards in the inner mounting groove 16, so that the target person gradually increases the target distance and the target level;
the air in the operation fixing box 6 is discharged in the later period, and the air pressure in the operation fixing box 6 and the air pressure regulating box 19 can be reduced only by rotating the first air discharge valve 22 and the second air discharge valve 23, so that the rectangular movable plate is far away from the power switch button to perform reset operation;
after circular installation deflector 15 receives the target impact, buffering gag lever post 40 compresses and rebounds in the inside of spacing fixed chamber 41, carries out buffer adjustment to the impact, avoids causing circular installation deflector's damage under powerful impact force, influences the later stage and uses to this device need not manual operation alright control its distance through the result of targeting, improves the automation mechanized work of device.
The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (4)
1. An automatic control device for land-based targets comprises a fixed supporting bottom plate (1), and is characterized in that: the automatic target shooting device is characterized by further comprising a target shooting fixing mechanism (44), an air flow conveying mechanism (45) and a switch driving mechanism (43), wherein an operation fixing box (6) is arranged in the fixed supporting bottom plate (1), an auxiliary mounting plate (7) which is matched with the operation fixing box (6) is arranged at the top of the operation fixing box, the target shooting fixing mechanism (44) is arranged at the top of the auxiliary mounting plate (7), the switch driving mechanism (43) is arranged in the operation fixing box (6), and the air flow conveying mechanism (45) is arranged on the outer wall of one side of the operation fixing box (6);
the device is characterized in that the targeting fixing mechanism (44) comprises a back fixing support rod (8), a first round fixing target (9), a second round fixing target (10), a third round fixing target (11), a buffering and decelerating mechanism (12), a second round fixing target (10) and a third round fixing auxiliary plate (18), the back fixing support rods (8) are respectively arranged at two ends of the top of the auxiliary mounting plate (7), the other ends of the two back fixing support rods (8) are arranged on one side of the third round fixing auxiliary plate (18), the buffering and decelerating mechanism (12) is arranged on the other side of the third round fixing plate (18), one side of the second round fixing guide plate (15) is arranged on the other side of the buffering and decelerating mechanism (12), and the first round fixing target (9), the second round fixing target (10) and the third round fixing target (11) are respectively arranged on the surface of the other side of the round fixing guide plate (15) from outside to inside;
the air flow transmission mechanism (45) comprises an air conduction first pipe (13), an air conduction second pipe (14), an air pressure regulating box (19), an air flow conduction exchange pipe first (20), an air flow conduction exchange pipe second (21), an air discharge valve first (22), an air discharge valve second (23), an inner partition plate first (24), an air flow transmission hole first (26), an air flow transmission hole second (37) and an air flow transmission hole third (38), the air pressure regulating box (19) is arranged on the outer wall of one side of the operation fixing box (6), the inner partition plate first (24) is arranged in the air pressure regulating box (19), the outer wall of the other side of the air pressure regulating box (19) is respectively provided with an air discharge valve first (22) and an air discharge valve second (23), one end of the air conduction first pipe (13) penetrates through one end of the top of the air pressure regulating box (19), the other end of the air conduction first pipe (13) penetrates through the inner part of the round fixing target third (11), one end of the air conduction second (14) penetrates through the other end of the top of the air pressure regulating box (19), and the other end of the air conduction second pipe (14) penetrates through the round fixing target third (9) inside the round fixing part;
an air flow transmission hole I (26) is formed in the round fixed target III (11), one end of the air conduction pipe I (13) is connected with the round fixed target III (11) through the air flow transmission hole I (26), an air flow transmission hole II (37) is formed in the round fixed target I (9), one end of the air conduction pipe II (14) is connected with the round fixed target I (9) through the air flow transmission hole II (37), the air flow conduction exchange pipe I (20) is arranged on one side of the outer wall of the air pressure regulating box (19), the air flow conduction exchange pipe II (21) is arranged on the other side of the outer wall of the air pressure regulating box (19), air flow transmission holes III (38) are formed in two ends of the outer wall on one side of the operation fixing box (6) respectively, and the air flow conduction exchange pipe I (20) and the air flow exchange pipe II (21) are connected with the inside of the operation fixing box (6) through the air flow transmission holes III (38) respectively;
the switch driving mechanism (43) comprises an auxiliary threaded rod (5), an inner partition plate II (25), a buffer fixing rod II (27), a buffer auxiliary spring II (28), a transverse threaded connecting rod (29), a threaded auxiliary block (30), an air flow adjusting fan blade (31), a switch adjusting control cavity (32), a rectangular moving plate (33), a control mounting block (34), a power switch button (35), an auxiliary fixing groove (36) and a driving motor (42), two groups of switch adjusting control cavities (32) with the same structure are arranged in the operation fixing box (6), the inner partition plate II (25) is arranged on one side of the switch adjusting control cavity (32), auxiliary fixing grooves (36) are respectively formed in the inner walls of the adjacent sides of the operation fixing box (6) and the inner partition plate II (25), the transverse threaded connecting rod (29) is arranged in the switch adjusting control cavity (32), the threaded auxiliary block (30) is arranged on the outer wall of the transverse threaded connecting rod (29), a plurality of groups of air flow adjusting fan blades (31) with the same size are arranged on the outer wall of the threaded auxiliary block (30), and the other side of the threaded auxiliary block (30) is provided with the auxiliary moving plate (36) matched with the rectangular groove;
an inner mounting groove (16) is formed in the fixed supporting bottom plate (1), fixed mounting sliding grooves (2) are respectively formed in the inner walls of two sides of the inner mounting groove (16), buffer fixing rods I (3) are respectively arranged in the two fixed mounting sliding grooves (2), and matched buffer auxiliary springs I (4) are respectively wound on the outer walls of the buffer fixing rods I (3);
the driving motor (42) is arranged on two sides of the inner wall of the inner mounting groove (16), the auxiliary threaded rod (5) is arranged at the output end of the driving motor (42), the driving motor (42) is electrically connected with the power switch button (35) through a conducting wire, and one end of the auxiliary threaded rod (5) penetrates through the inner part of the operation fixing box (6) and extends to one side of the inner wall of the inner mounting groove (16);
after the control installation block (34) contacts the power switch button (35), the power switch button (35) can control the driving motor (42), and the driving motor (42) can drive the auxiliary threaded rod (5) at the output end to rotate, so that the distance between the targeting fixing mechanism (44) and the inside of the internal installation groove (16) can be automatically adjusted.
2. An automatic control device for land-based targets as claimed in claim 1, wherein: the inside of buffering reduction gears (12) is equipped with rectangle installation piece (39), buffering gag lever post (40) and spacing fixed chamber (41), the outer wall of rectangle installation piece (39) one side is installed in the outer wall of circular auxiliary fixation board (18), spacing fixed chamber (41) have been seted up to the inside of rectangle installation piece (39), the inside in spacing fixed chamber (41) is located to buffering gag lever post (40), the inner wall of rectangle installation piece (39) is located to the one end of buffering gag lever post (40), one side of circular installation deflector (15) is located to the other end of buffering gag lever post (40).
3. An automatic control device for land-based targets as claimed in claim 2, wherein: one side of screw thread auxiliary block (30) is equipped with buffering dead lever two (27), the outer wall of buffering dead lever two (27) is around being equipped with matched with buffering auxiliary spring two (28), one side of operation fixed box (6) inner wall is located to the other end of buffering dead lever two (27), control installation piece (34) are installed to one side of rectangle movable plate (33) outer wall, power switch button (35) with control installation piece (34) looks adaptation are installed to the opposite side of operation fixed box (6) inner wall.
4. An automatic control device for land-based targets according to claim 3, wherein: the bottom of the inner wall of the fixed support bottom plate (1) is provided with a bottom connecting rod (17), the bottom of the operation fixing box (6) is arranged at the top of the bottom connecting rod (17), and the first buffering fixing rods (3) are respectively arranged on the outer walls of the two sides of the bottom connecting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211321862.5A CN115451756B (en) | 2022-10-27 | 2022-10-27 | Automatic control device for land-based landmark target |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211321862.5A CN115451756B (en) | 2022-10-27 | 2022-10-27 | Automatic control device for land-based landmark target |
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| CN115451756A CN115451756A (en) | 2022-12-09 |
| CN115451756B true CN115451756B (en) | 2023-08-04 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1222783A (en) * | 1984-01-19 | 1987-06-09 | Australasian Training Aids Pty. Ltd. | Inflatable target apparatus |
| US9429397B1 (en) * | 2015-02-27 | 2016-08-30 | Kevin W. Hill | System, device, and method for detection of projectile target impact |
| CN207610609U (en) * | 2017-10-30 | 2018-07-13 | 浙江震坤实业有限公司 | A kind of laser simulation shooting exercise system |
| CN209672954U (en) * | 2019-01-24 | 2019-11-22 | 江苏永万青信息科技有限公司 | A kind of small arms skill practice system |
| EP3575733A1 (en) * | 2018-05-28 | 2019-12-04 | Swiss Defense Solutions Sarl | Firing target for firearms shooting training |
| CN112113469A (en) * | 2020-09-17 | 2020-12-22 | 南京智能仿真技术研究院有限公司 | High-flexibility gunshot simulation target device |
| RU201860U1 (en) * | 2020-09-09 | 2021-01-15 | Юрий Сергеевич Рябчиков | Inflatable shooting target |
-
2022
- 2022-10-27 CN CN202211321862.5A patent/CN115451756B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1222783A (en) * | 1984-01-19 | 1987-06-09 | Australasian Training Aids Pty. Ltd. | Inflatable target apparatus |
| US9429397B1 (en) * | 2015-02-27 | 2016-08-30 | Kevin W. Hill | System, device, and method for detection of projectile target impact |
| CN207610609U (en) * | 2017-10-30 | 2018-07-13 | 浙江震坤实业有限公司 | A kind of laser simulation shooting exercise system |
| EP3575733A1 (en) * | 2018-05-28 | 2019-12-04 | Swiss Defense Solutions Sarl | Firing target for firearms shooting training |
| CN209672954U (en) * | 2019-01-24 | 2019-11-22 | 江苏永万青信息科技有限公司 | A kind of small arms skill practice system |
| RU201860U1 (en) * | 2020-09-09 | 2021-01-15 | Юрий Сергеевич Рябчиков | Inflatable shooting target |
| CN112113469A (en) * | 2020-09-17 | 2020-12-22 | 南京智能仿真技术研究院有限公司 | High-flexibility gunshot simulation target device |
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| CN115451756A (en) | 2022-12-09 |
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