High-altitude ammunition selective dropping device for multi-rotor unmanned aerial vehicle

Abstract

The utility model discloses a multi-rotor unmanned aerial vehicle high-altitude ammunition selective bomb dropping device which comprises hanging plates fixed on an aircraft, an inner frame fixed between the two hanging plates, an outer frame rotationally arranged on the outer side of the inner frame, a plurality of hanging points distributed on the periphery of the outer frame, the hanging points are locked on the outer frame through pin shafts, and the hanging points are fixed on the outer frame through the pin shafts. An ammunition selecting mechanism is arranged between the inner frame and the outer frame, the inner frame is provided with an ammunition throwing mechanism, the ammunition selecting mechanism is used for driving a hanging point on the outer frame to rotate to the ammunition throwing mechanism, and the ammunition throwing mechanism is used for unlocking the hanging point. Compared with the prior art, the utility model discloses can select the type of putting load autonomously, realize multi-task point and multiple operation to satisfy various occasion demands, effectively improve the operation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned aerial vehicle load delivery technical field especially is related to a multi rotor unmanned aerial vehicle high altitude ammunition selection bomb release device. BACKGROUND

[0002] In recent years, with the development of unmanned aerial vehicle application technology, multi rotor unmanned aerial vehicle has been playing a very important role in various industries, with the advantages of small size, good controllability, large load, low take-off and landing condition requirement, high performance price ratio, the application scene of multi rotor unmanned aerial vehicle increases day by day and has made great development and progress. At present, in the field of medium and low altitude, multi rotor unmanned aerial vehicle has been widely used in emergency rescue, fire fighting and medical treatment fields, and special operations from the air can make up for the deficiency when the ground faces complex terrain, dangerous environment and unknown environment operation. However, the existing unmanned aerial vehicle bomb bay can quickly respond to the demand of different application scenes and improve the ability of unmanned aerial vehicle to adapt to multiple tasks. However, the existing unmanned aerial vehicle mounted load is multiple, but the type of load is single, which can only meet a single task. SUMMARY

[0003] The utility model provides a multi rotor unmanned aerial vehicle high altitude ammunition selection bomb release device to solve the problem that the type of load mounted by the existing unmanned aerial vehicle is single and difficult to meet the demand of multiple tasks.

[0004] The utility model provides a multi rotor unmanned aerial vehicle high altitude ammunition selection bomb release device, including the hanger plate of fixed on the aircraft, two between the hanger plate fixed have inner frame, the outside of inner frame is rotatably provided with outer frame, the outer periphery on outer frame is distributed with a plurality of hanging points, the hanging point is locked on the outer frame through the pin shaft, the inner frame and outer frame between be equipped with ammunition selection mechanism, the inner frame is equipped with ammunition delivery mechanism, the ammunition selection mechanism is used for driving the hanging point on the outer frame and rotates to the ammunition delivery mechanism, the ammunition delivery mechanism is used for unlocking the hanging point.

[0005] Preferably, the ammunition selection mechanism includes an inner gear fixed on the outer frame, the inner gear is engaged with a main gear, and the main gear is fixed with the output shaft of a first drive motor fixed on the inner frame.

[0006] Preferably, the ammunition delivery mechanism includes a lead screw, a nut block and a second drive motor, the nut block is threadedly connected with the lead screw, the lead screw is rotatably arranged on the inner frame, the nut block slides along the guide rod on the inner frame, and the second drive motor is used to drive the lead screw to rotate, and the nut block is used to drive the pin shaft to leave the hanging point.

[0007] Preferably, the hanging point includes a lifting ring and a plug, the lifting ring is fixedly connected with the plug, the outer frame is provided with a plug hole matched with the plug, and the plug is provided with a pin hole matched with the pin shaft.

[0008] Preferably, the outer frame is provided with a load beam bridge, a sliding block is slidingly arranged on the load beam bridge, the pin shaft is fixed on the sliding block, a reset spring is arranged between the sliding block and the load beam bridge, and the nut block is matched with the sliding block.

[0009] Preferably, the load beam bridge is provided with sliding holes matched with the sliding blocks, and the load beam bridge is further provided with a first through hole through which the pin shaft passes, the first through hole is located between the two sliding holes, and the first through hole is in communication with the insertion hole.

[0010] Preferably, the load beam bridge is provided with a second micro switch matched with the sliding block, and the sliding block is arranged between the second micro switch and the reset spring.

[0011] Preferably, a first micro switch matched with the nut block is arranged between the guide rod and the lead screw, and the first micro switch is rotationally connected with the lead screw.

[0012] Preferably, a third micro switch matched with the load beam bridge is fixed on the lead screw, and the nut block is arranged between the first micro switch and the third micro switch.

[0013] Preferably, the load beam bridge is provided with a fourth micro switch and a fifth micro switch.

[0014] Compared with the prior art, the load type can be autonomously selected, multiple tasks and multiple operations can be realized, various scene requirements can be met, and the operation efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a structural schematic view of the present application;

[0017] Figure 2 It is a front view of the present application;

[0018] Figure 3 It is a structural schematic view of the ammunition selection mechanism of the present application;

[0019] Figure 4 It is a structural schematic view of the ammunition selection mechanism of the present application;

[0020] Figure 5 It is a structural schematic view of the load beam bridge of the present application;

[0021] Figure 6 The hanging point structure diagram of the utility model.

[0022] Reference signs:

[0023] 1. hanging plate, 2. inner frame, 3. outer frame, 4. hanging point, 5. ammunition selection mechanism, 6. ammunition delivery mechanism, 7. electric slip ring, 8. fifth micro switch, 9. fire extinguishing bomb, 31. load beam bridge, 311. jack, 312. sliding hole, 313. first through hole, 41. lifting ring, 42. plug block, 421. pin hole, 51. inner gear, 52. main gear, 53. first drive motor, 54. third micro switch, 61. lead screw, 62. nut block, 63. second drive motor, 64. guide rod, 65. sliding block, 66. return spring, 67. second micro switch, 68. first micro switch, 69. fourth micro switch. DETAILED DESCRIPTION

[0024] To make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Referring to the drawings Figure 1 and the drawings Figure 2 , the embodiment provides a multi-rotor unmanned aerial vehicle high-altitude ammunition selection bomb delivery device, which comprises a hanging plate 1 fixed on a flying vehicle, and specifically, the flying vehicle is an unmanned aerial vehicle. Two hanging plates 1 are fixed with an inner frame 2, and the outer side of the inner frame 2 is rotatably provided with an outer frame 3, and the outer frame 3 rotates around the inner frame 2, and a plurality of hanging points 4 are distributed on the outer periphery of the outer frame 3, and the hanging points 4 are locked on the outer frame 3 through a pin shaft, and an ammunition selection mechanism 5 is arranged between the inner frame 2 and the outer frame 3, and an ammunition delivery mechanism 6 is arranged on the inner frame 2, and the ammunition selection mechanism 5 is used for driving the hanging points 4 on the outer frame 3 to rotate to the ammunition delivery mechanism 6, and the ammunition delivery mechanism 6 is used for unlocking the hanging points 4. In the utility model, the inner frame 2 and the outer frame 3 are installed on the unmanned aerial vehicle through the hanging plate 1, one load is hung on each hanging point 4, and then the load is locked on the outer frame 3 through the pin shaft, the types of the loads on the plurality of hanging points 4 can be different, after the unmanned aerial vehicle flies to a predetermined position, the ammunition selection mechanism 5 drives the outer frame 3 to rotate to rotate the load to be delivered to the lower side of the inner frame 2, the pin shaft is driven by the ammunition delivery mechanism 6 to leave the hanging point 4, so that the restriction on the hanging point 4 is released, the hanging point 4 leaves the outer frame 3 and falls downward under the influence of gravity, so that the load bomb delivery is completed. The utility model can select corresponding loads for bomb delivery according to task requirements, and can meet the demand of multiple tasks.

[0026] Specifically, the two ends of the outer frame 3 are connected with the inner frame 2 through bearings respectively.

[0027] Referring to the drawings Figure 3 , one embodiment of the ammunition selection mechanism 5: the ammunition selection mechanism 5 includes an internal gear 51 fixed on the outer frame 3, the internal gear 51 is engaged with a main gear 52, the main gear 52 is fixed with the output shaft of a first drive motor 53 fixed on the inner frame 2, and the inner frame 2 is provided with an electric slip ring 7 to provide power supply for the first drive motor 53. The first drive motor 53 drives the main gear 52 to rotate, thereby driving the internal gear 51 to rotate, and the internal gear 51 rotates to drive the outer frame 3 to rotate around the inner frame 2.

[0028] Referring to the drawings Figure 4 , the ammunition delivery mechanism 6 includes a lead screw 61, a nut block 62 and a second drive motor 63, the nut block 62 is threadedly connected with the lead screw 61, the lead screw 61 is rotatably arranged on the inner frame 2, the nut block 62 slides along the guide rod 64 on the inner frame 2, and the second drive motor 63 is used to drive the lead screw 61 to rotate, and the nut block 62 is used to drive the pin shaft to move away from the hanging point 4. The second drive motor 63 drives the lead screw 61 to rotate, thereby driving the nut block 62 to slide along the guide rod 64, and the nut block 62 slides to drive the pin shaft to move away from the hanging point 4, thereby unlocking the hanging point 4 for bomb release. The nut block 62 returns to the initial position to prepare for the next bomb release.

[0029] Specifically, the lead screw 61 is located between the two guide rods 64.

[0030] One embodiment of the hanging point 4: referring to the drawings Figure 6 , the hanging point 4 includes a hanging ring 41 and an insertion block 42, the hanging ring 41 is fixedly connected with the insertion block 42, the outer frame 3 is provided with an insertion hole 311 matched with the insertion block 42, and the insertion block 42 is provided with a pin hole 421 matched with the pin shaft. The hanging point 4 is inserted into the insertion hole 311 on the outer frame 3 through the insertion block 42, and then the pin shaft passes through the pin hole 421 on the insertion block 42 to lock the hanging point 4 on the outer frame 3. When releasing the bomb, the unlocking of the hanging point 4 and the release of the bomb can be completed by driving the pin shaft to move away from the pin hole 421 through the ammunition delivery mechanism 6.

[0031] As another embodiment of the utility model, the outer frame 3 is provided with a load beam bridge 31, the jack 311 is arranged on the load beam bridge 31, the sliding block 65 is slidably arranged on the load beam bridge 31, the pin shaft is fixed on the sliding block 65, the reset spring 66 is arranged between the sliding block 65 and the load beam bridge 31, and the nut block 62 is matched with the sliding block 65. The nut block 62 slides and drives the sliding block 65 to slide, so that the pin shaft on the sliding block 65 is separated from the pin hole 421, the hanging point 4 is unlocked and falls from the outer frame 3 to the ground. When the nut block 62 returns, the reset spring 66 drives the sliding block 65 to return. After the hanging point 4 is installed on the outer frame 3 through the pin shaft, the design of the reset spring 66 can ensure that the pin shaft does not separate from the pin hole 421, so that the hanging point 4 can be stably locked on the outer frame 3.

[0032] As another embodiment of the utility model, refer to the drawings Figure 5 The load beam bridge 31 is provided with the sliding hole 312 matched with the sliding block 65, the load beam bridge 31 is further provided with the first through hole 313 for the pin shaft to pass through, the first through hole 313 is located between the two sliding holes 312, and the first through hole 313 is in communication with the jack 311. Specifically, the sliding block 65 is provided with the sliding strip matched with the sliding hole 312. The plug block 42 of the hanging point 4 is inserted into the jack 311, the pin shaft passes through the pin hole 421 on the plug block 42 along the first through hole 313, and the hanging point 4 is locked on the load beam bridge 31.

[0033] As another embodiment of the utility model, the load beam bridge 31 is provided with the second micro switch 67 matched with the sliding block 65, and the sliding block 65 is arranged between the second micro switch 67 and the reset spring 66. The nut block 62 drives the sliding block 65 to move towards the second micro switch 67, after the pin shaft on the sliding block 65 separates from the pin hole 421, the sliding block 65 triggers the second micro switch 67, and the nut block 62 stops moving and moves in the opposite direction.

[0034] As another embodiment of the utility model, the first micro switch 68 matched with the nut block 62 is arranged between the guide rod 64 and the lead screw 61, and the first micro switch 68 is rotatably connected with the lead screw 61. When the nut block 62 moves towards the first micro switch 68, the sliding block 65 returns synchronously under the action of the reset spring 66, the nut block 62 triggers the first micro switch 68, and the nut block 62 stops moving.

[0035] As another embodiment of the utility model: the third micro switch 54 is fixed on the lead screw 61 and cooperates with the load beam bridge 31, and the nut block 62 is arranged between the first micro switch 68 and the third micro switch 54. The ammunition selection mechanism 5 drives the outer frame 3 to rotate around the inner frame 2, and when the load beam bridge 31 rotates to the lower side of the third micro switch 54, the third micro switch 54 is triggered, and the first drive motor 53 stops working. The third micro switch 54 is a rotation protection trigger and an indicator light trigger, and a roller type micro switch is used, and the function is mainly to ensure that only when the outer frame 3 rotates to the correct position, the first drive motor 53 is allowed to drive the nut block 62 to move, and it is ensured that the nut block 62 can correctly enter the mounting unlocking track.

[0036] As another embodiment of the utility model: the fourth micro switch 69 and the fifth micro switch 8 are arranged on the load beam bridge 31. When the plug block 42 is inserted into the load beam bridge 31, the pin shaft is automatically reset by using the reset spring 66, and the fifth micro switch 8 is triggered at the same time, and the load online indicator light is lit, and the signal is returned to the airborne computer, so that it is ensured that the load online information of the port has been normally accepted. When the load beam bridge 31 rotates to the standby position along with the outer frame 3, the nut block 62 moves forward under the control of the second drive motor 63, and the sliding block 65 moves forward, and when the sliding block 65 leaves the locking position, the fourth micro switch 69 is triggered, and the safety indicator light is extinguished. When the nut block 62 continues to move forward, the pin shaft reaches the maximum effective fixing position, the hanging point 4 is unlocked, and the load is separated under the action of gravity, and the fifth micro switch 8 is triggered, and the load online indicator light is extinguished, and the airborne computer displays that the load is offline, and successfully drops. When the sliding block 65 continues to move forward, the second micro switch 67 is triggered and the protection circuit loop is triggered, so that the self-protection function of the mechanism is realized, and at this time, the airborne computer controls the nut block 62 to reset, and the sliding block 65 is reset synchronously under the action of the reset spring 66, and after returning to the initial position, the fourth micro switch 69 is triggered, and the safety indicator light is lit again, and other operations can be performed.

[0037] As another embodiment of the utility model: the first drive motor 53 and the second drive motor 63 are arranged at two ends of the inner frame 2 respectively.

[0038] The utility model discloses, aircraft carries out flight or patrol operation according to preset route, and the high definition camera carried on the aircraft will collect the ground picture in real time, and the image data is transmitted to the airborne computer to carry out identification analysis, if the fire source appears on the flight or patrol path, the airborne computer will independently intervene flight control system, through the relative position relation of the fire point in the camera, the airborne computer will control the aircraft to independently approach the target point, until reaches the target directly above, and controls the error to be within 0.8 meters, when the aircraft independently completes the aiming action, will enter the bomb-throwing procedure. The aircraft will carry out independent analysis to the target fire source through the onboard camera, and simultaneously sends the early warning to the ground control console and returns relevant information, after that, the airborne computer will control the flight control system to output relevant control signals for the bomb-throwing device.

[0039] The signal is divided into two signals, and the mode is a PWM signal with a duty cycle of 5%-10% in a 20ms period. One of the signals is output to the first driving motor 53, and the first driving motor 53 drives the outer frame 3 to rotate through the meshing mode of the main gear 52 and the internal gear 51, so that the selection of the mounted load is realized. The other signal is output to the second driving motor 63, which is connected with the lead screw 61 through a shaft coupling, drives the lead screw 61 to rotate clockwise and counterclockwise, and at the same time, the rotation of the lead screw 61 drives the nut block 62 to move along the guide rod 64, so that the release of the mounted load is realized.

[0040] Specifically, when the first driving motor 53 drives the outer frame 3 to rotate around the inner frame 2, the hanging point 4 rotates to the lower side of the inner frame 2, the load beam bridge 31 will contact and trigger the third micro switch 54, at this time, it will be informed that the ammunition delivery mechanism 6 can be operated. When the hanging point 4 does not rotate to the specified position (the lower side of the inner frame 2), the third micro switch 54 is in the normally open state, and the ammunition delivery mechanism 6 cannot be operated.

[0041] When the required hanging point 4 rotates to the lower side of the inner frame 2, after receiving the bomb-throwing command, the second driving motor 63 drives the nut block 62 to run towards the second micro switch 67, the nut block 62 drives the sliding block 65 to move, the pin shaft leaves the pin hole 421, the hanging point 4 is unlocked, the hanging point 4 falls off from the outer frame 3, the sliding block 65 triggers the second micro switch 67, the nut block 62 returns under the action of the second driving motor 63, the sliding block 65 returns synchronously under the reset spring 66, the nut block 62 triggers the first micro switch 68, the first driving motor 53 stops working, and the mounted load completes the delivery operation. The aircraft flies to the next task point to perform the next delivery operation.

[0042] The utility model discloses the following beneficial effects are obtained:

[0043] 1, with fast delivery, autonomous selection of delivery load type, modular collocation ability, greatly reducing the invalid air time, flexible realization of multi-task point and various operations, effectively improving the operation efficiency.

[0044] 2, the device is highly integrated, with a large number of logic circuits built-in, realizing self-protection and self-adaptability of the device to the carrier, greatly relieving the communication interface pressure of the carrier.

[0045] 3, through modular design, flexible selection of mounting point number and mode can be realized to meet the needs of various occasions.

[0046] 4, through the simplified structure design, good compatibility of common multi-rotor unmanned aerial vehicle on the market is realized.

[0047] 5, fill the domestic multi-rotor unmanned aerial vehicle single function of the present situation, increase the application scene of multi-rotor unmanned aerial vehicle, improve the adaptability and operation ability in complex scene.

[0048] 6, through non-direct contact and long-distance operation, the platform safety of multi-rotor unmanned aerial vehicle in dangerous and uncertain operation is effectively guaranteed, and the possibility of secondary disaster is reduced.

[0049] Finally, it should be pointed out that: the above examples are only used to illustrate the technical scheme of the utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of each embodiment of the utility model.

Claims

1. A multi-rotor unmanned aerial vehicle high-altitude ammunition selective bomb- dropping device, characterized in that, The present application relates to an aircraft, which comprises a hanging plate fixed on the aircraft, an inner frame fixed between the two hanging plates, an outer frame rotatably arranged on the outer side of the inner frame, a plurality of hanging points distributed on the outer periphery of the outer frame, the hanging points being locked on the outer frame by a pin shaft, a bullet selection mechanism arranged between the inner frame and the outer frame, a bullet delivery mechanism arranged on the inner frame, the bullet selection mechanism being used to drive the hanging points on the outer frame to rotate to the bullet delivery mechanism, and the bullet delivery mechanism being used to unlock the hanging points.

2. The multi-copter UAV high altitude projectile selective dispensing device of claim 1, wherein, The bullet selection mechanism comprises an internal gear fixed on the outer frame, the internal gear being engaged with a main gear, and the main gear being fixed on the output shaft of a first driving motor fixed on the inner frame.

3. The multi-copter UAV high altitude projectile selective dispensing device of claim 1, wherein, The bullet delivery mechanism comprises a lead screw, a nut block and a second driving motor, the nut block being threadedly connected with the lead screw, the lead screw being rotatably arranged on the inner frame, the nut block being slidably arranged along a guide rod on the inner frame, the second driving motor being used to drive the lead screw to rotate, and the nut block being used to drive the pin shaft to move away from the hanging point.

4. The multi-copter UAV high altitude projectile selective dispensing device of claim 3, wherein, The hanging point comprises a hanging ring and a plug block, the hanging ring being fixedly connected with the plug block, the outer frame being provided with a plug hole matched with the plug block, and the plug block being provided with a pin hole matched with the pin shaft.

5. The multi-copter UAV high altitude projectile selective dispensing device of claim 4, wherein, The outer frame is provided with a load beam bridge, the load beam bridge being slidably provided with a sliding block, the pin shaft being fixed on the sliding block, a return spring being arranged between the sliding block and the load beam bridge, and the nut block being matched with the sliding block.

6. The multi-copter UAV high altitude projectile selective dispensing device of claim 5, wherein, The load beam bridge is provided with a sliding hole matched with the sliding block, the load beam bridge is further provided with a first through hole through which the pin shaft passes, the first through hole being located between two sliding holes, and the first through hole being in communication with the plug hole.

7. The multi-copter UAV high altitude projectile selective dispensing device of claim 6, wherein, The load beam bridge is provided with a second micro switch matched with the sliding block, and the sliding block is arranged between the second micro switch and the return spring.

8. The multi-copter UAV high altitude projectile selective dispensing device of claim 7, wherein, A first micro switch matched with the nut block is arranged between the guide rod and the lead screw, and the first micro switch is rotatably connected with the lead screw.

9. The multi-copter UAV high altitude projectile selective dispensing device of claim 8, wherein, A third micro switch matched with the load beam bridge is fixed on the lead screw, and the nut block is arranged between the first micro switch and the third micro switch.

10. The multi-copter UAV high altitude projectile selective dispensing device of claim 9, wherein, The load beam bridge is provided with a fourth micro switch and a fifth micro switch.

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