CN218316340U - Startup and shutdown structure and battery replacing device - Google Patents

Abstract

The utility model belongs to the technical field of unmanned aerial vehicle, a switching on and shutting down structure and battery change device are disclosed, the both ends of this switching on and shutting down structure's base are equipped with baffle and linear type drive arrangement respectively, drive arrangement's drive end is connected with first slider, be equipped with the guide on the first slider, the first end of swing arm is equipped with the guiding hole towards first slider slope extension, the guiding hole is worn to establish by the guide, the rotation portion that lies in on the swing arm between first end and the second end rotates with the second slider to be connected, drive arrangement passes through the swing arm and is connected with the transmission of second slider, first slider and second slider can both move towards and keep away from the baffle under drive arrangement's effect, and at the baffle, the second slider, under the effect of guide and guiding hole, drive arrangement can drive the swing of second end makes the second end can press unmanned aerial vehicle's switching on and shutting down button.

Description

Startup and shutdown structure and battery replacing device

Technical Field

The utility model relates to an unmanned air vehicle technique field especially relates to a switching on and shutting down structure and battery change device.

Background

In order to ensure that the unmanned aerial vehicle has sufficient cruising ability, the unmanned aerial vehicle parked at an unmanned aerial vehicle airport is generally subjected to battery replacement, before the battery is replaced, the unmanned aerial vehicle needs to be shut down, and after the battery is replaced, the unmanned aerial vehicle needs to be started again.

The prior art discloses an automatic device of changing of battery, be equipped with switching on and shutting down mechanism on the device, switching on and shutting down mechanism includes rotation type drive arrangement and rotor arm, the one end and the drive end of rotation type drive arrangement of rotor arm are connected, the other end of rotor arm is equipped with the briquetting, when needing to open or close unmanned aerial vehicle, rotation type drive arrangement drive rotor arm rotates, until the briquetting presses the switching on and shutting down button on the unmanned aerial vehicle, then, rotation type drive arrangement back drive rotor arm, make rotor arm back rotation 180 degrees, make the briquetting leave the switching on and shutting down button on the unmanned aerial vehicle, accomplish once from this and open or close the unmanned aerial vehicle operation, wait for next time to press.

In the above technical scheme, the on-off operation of the unmanned aerial vehicle is realized by rotating the rotating arm by 180 degrees, so that a sufficient height space needs to be reserved for the rotating arm on the automatic battery replacing device, the rotating arm can smoothly rotate, and the space occupied by the automatic battery replacing device in the height direction is increased. Therefore, it is desirable to provide a switch-on/off structure and a battery replacing device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switching on and shutting down structure, this switching on and shutting down structure has effectively reduced the rotation range of swing arm, has reduced the swing arm because of rotating required high space, and then has reduced the space that the device took on the direction of height is changed to the battery.

To achieve the purpose, the utility model adopts the following technical proposal:

the on-off structure includes:

the device comprises a base, a baffle and a driving device, wherein the baffle and the driving device are respectively arranged at two ends of the base;

the sliding block assembly comprises a first sliding block and a second sliding block, the driving end of the driving device is connected with the first sliding block, and a guide piece is arranged on the first sliding block;

the swing arm is provided with a first end, a second end and a rotating part, the first end is provided with a guide hole, the guide piece penetrates through the guide hole, the guide hole extends towards the first sliding block in an inclined mode, the rotating part is located between the first end and the second end, and the rotating part is connected with the second sliding block in a rotating mode;

drive arrangement can drive first slider orientation and keep away from the baffle and remove, and drive arrangement passes through the swing arm and is connected with the transmission of second slider, makes the second slider can move towards and keep away from the baffle, and under the effect of baffle, second slider, guide and guiding hole, drive arrangement can drive the swing of second end, makes the second end can press unmanned aerial vehicle's on & off button.

Optionally, the power on/off structure further includes a first elastic member, one end of the first elastic member is connected to the first slider, the other end of the first elastic member is connected to the second slider, the first elastic member is located between the first slider and the second slider, the first elastic member is a pressure spring, and when the first slider and the second slider move together, the first elastic member is in a natural state.

Optionally, the swing arm is bent towards a side away from the second slider, and the bent part is a rotating part.

Optionally, a sliding rail is arranged on the base, a first sliding groove is formed in the first sliding block, a second sliding groove is formed in the second sliding block, and the first sliding groove and the second sliding groove are in sliding fit with the sliding rail.

Optionally, the power on/off structure further includes a limiting member and a first sensor, the limiting member is disposed on the first slider, the first sensor is disposed on the base, the first sensor is in signal connection with the driving device, when the power on/off button is pressed by the second end, the limiting member moves to the first sensor along with the first slider, and the driving device stops driving the first slider to move toward the baffle.

Optionally, the startup and shutdown structure further includes a second sensor, the second sensor is disposed on the base, the second sensor is in signal connection with the driving device, and when the limiting member moves to the second sensor along with the first slider, the driving device stops driving the first slider to move away from the baffle.

Optionally, a mounting plate is fixed on the base, the mounting plate is provided with a third sliding groove, the first sensor and the second sensor are both provided with a convex block, and the convex block is in sliding fit with the third sliding groove.

Optionally, the third runner is a through slot.

Another object of the present invention is to provide a battery replacing device, which occupies a smaller space in the height direction.

To achieve the purpose, the utility model adopts the following technical proposal:

the battery replacing device comprises a support and the on-off structure, and a base is installed on the support.

Optionally, the battery replacing device further comprises a clamping jaw assembly, the clamping jaw assembly is installed on the support, the unmanned aerial vehicle comprises a machine body, a cross rod, a plurality of rotors and a plurality of rotor arms, the startup and shutdown button is arranged on the machine body, each rotor is connected with the machine body through one rotor arm, two ends of the cross rod are respectively connected with two adjacent rotor arms, and the clamping jaw assembly can grasp the cross rod.

Has the beneficial effects that:

the utility model provides a switching on and shutting down structure adopts linear type drive arrangement as the driving source, when driving first slider rectilinear movement, be connected with the transmission of second slider through the swing arm, make the second slider also can rectilinear movement, and, set up the guiding hole that extends towards first slider slope at the first end of swing arm, make the guiding part on the first slider wear to establish the guiding hole, and make the rotation portion of swing arm rotate with the second slider and be connected, when the second slider moves baffle department and can't continue to move, first slider continues towards baffle direction rectilinear movement under drive arrangement's drive, then, the effort is applyed to the pore wall of guiding hole to the guiding part, under this effort, the swing arm takes place to rotate with rotation portion as the fulcrum, make the swing take place for the second end, and then make the second end can press unmanned aerial vehicle's switching on and shutting down button, this switching on and shutting down structure has realized the swing of second end with the mode that linear displacement and rotation combined together, compare with the rotation type drive arrangement messenger rotor arm pivoted structure among the prior art, the structure has effectively reduced the rotation amplitude of swing arm, the swing arm is because of the required altitude space has been changed, and the device has been changed in the direction of height of battery.

The utility model provides a device is changed to battery adopts foretell switch on and off structure, has effectively practiced thrift the battery and has changed the occupation space of device on the direction of height, and then has effectively reduced the whole volume that device was changed to this battery.

Drawings

Fig. 1 is a schematic structural diagram of a power on/off structure provided by the present invention;

fig. 2 is a schematic structural view of the swing arm provided by the present invention;

fig. 3 is a first schematic structural view of a battery replacing device provided by the present invention;

fig. 4 is a second schematic structural view of the battery replacing device provided by the present invention;

fig. 5 is the utility model provides an unmanned aerial vehicle's structural schematic.

In the figure:

10. a support; 11. a jaw assembly; 21. a first mobile unit; 22. a second mobile unit;

30. a body; 31. a power-on and power-off button; 40. a cross bar; 50. a rotor; 60. a rotor arm;

100. a base; 110. a baffle plate; 120. a drive device; 130. a slide rail; 141. a third chute; 210. a first slider; 220. a second slider; 300. swinging arms; 310. a first end; 311. a guide hole; 320. a second end; 321. a second elastic member; 322. pressing into blocks; 330. a rotating part; 400. a first elastic member; 510. a stopper; 520. a first sensor; 530. a second sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

This embodiment provides a switching on and shutting down structure, and this switching on and shutting down structure has effectively reduced the rotation range of swing arm, has reduced the swing arm because of rotating required high space, and then has reduced the space that the battery change device occupy in the direction of height.

Specifically, as shown in fig. 1 and 2, the opening and closing mechanism includes a base 100, a slider assembly and a swing arm 300, a baffle 110 and a driving device 120 are respectively disposed at two ends of the base 100, the driving device 120 is a linear driving device 120, the slider assembly includes a first slider 210 and a second slider 220, a driving end of the driving device 120 is connected to the first slider 210, a guide is disposed on the first slider 210, the swing arm 300 has a first end 310, a second end 320 and a rotating portion 330, the first end 310 is provided with a guide hole 311, the guide passes through the guide hole 311, the guide hole 311 extends obliquely towards the first slider 210, the rotating portion 330 is located between the first end 310 and the second end 320, the rotating portion 330 is rotatably connected to the second slider 220, the driving device 120 can drive the first slider 210 to move towards and away from the baffle 110, the driving device 120 is in transmission connection with the second slider 220 through the swing arm 300, the second slider 220 can move towards and away from the baffle 110, the second end 320 can drive the second end 320 under the action of the baffle 110, the second slider 220, the guide and the swing arm 320 can press a button 31 of the unmanned aerial vehicle.

When the on-off button 31 of the unmanned aerial vehicle needs to be pressed, the driving device 120 drives the first slider 210 to move linearly towards the baffle 110, and meanwhile, the driving device 120 is in transmission connection with the second slider 220 through the swing arm 300, so that the second slider 220 can also move linearly towards the baffle 110 until the second slider 220 moves to the baffle 110, the second slider 220 cannot move continuously, and the first slider 210 continues to move linearly towards the baffle 110 under the driving of the driving device 120, at this time, because the guide hole 311 of the first end 310 of the swing arm 300 extends obliquely towards the first slider 210 and the guide piece penetrates through the guide hole 311, the guide piece applies an acting force to the hole wall of the guide hole 311, under the acting force, the swing arm 300 rotates with the rotating part 330 as a fulcrum, so that the second end 320 swings until the second end 320 presses the on-off button 31 of the unmanned aerial vehicle; similarly, drive arrangement 120 drives first slider 210 and keeps away from baffle 110 rectilinear movement, make swing arm 300 use the rotation part 330 as fulcrum antiport, make second end 320 take place the counter swing, and then second end 320 can leave unmanned aerial vehicle's on-off button 31, and, drive arrangement 120 passes through swing arm 300 and is connected with the transmission of second slider 220, make second slider 220 also can towards the direction rectilinear movement who keeps away from baffle 110, accomplish once from this and open or close unmanned aerial vehicle operation, wait for next time to press.

The switching mechanism structure adopts the linear driving device 120 as a driving source, while driving the first slider 210 to move linearly, the swing arm 300 is in transmission connection with the second slider 220, so that the second slider 220 can also move linearly, and a guide hole 311 extending obliquely towards the first slider 210 is arranged at the first end 310 of the swing arm 300, so that a guide piece on the first slider 210 penetrates through the guide hole 311, and a rotating part 330 of the swing arm 300 is rotatably connected with the second slider 220, when the second slider 220 moves to the baffle 110 and cannot move continuously, the first slider 210 continues to move linearly towards the baffle 110 under the driving of the driving device 120, at the moment, the guide piece exerts an acting force on the hole wall of the guide hole 311, under the acting force, the swing arm 300 rotates by taking the rotating part 330 as a fulcrum, so that the second end 320 swings, and the second end 320 can press the switching button 31 of the unmanned aerial vehicle, the switching mechanism structure realizes the swing of the second end 320 in a mode of combining linear displacement and rotation, compared with the prior art that the rotating arm 120 is directly adopted to enable the rotating arm structure to reduce the height of the swing arm, and further reduce the occupied space of the battery 300, and the battery switching mechanism 300, and the battery replacement space required by the switching mechanism. On the other hand, the distance of above-mentioned rectilinear displacement is for the interval between unmanned aerial vehicle's the switch machine button 31 and the battery change device, change the device to the battery, it is necessary to reserve unmanned aerial vehicle shut down space, therefore, the battery change device need not to reserve above-mentioned rectilinear displacement distance, directly utilize unmanned aerial vehicle shut down space's length distance can, the switch machine structure that this embodiment provided in addition can reduce the occupation space on the battery change device direction of height, consequently, this switch machine structure has the effect that reduces the whole volume of battery change device.

Further, the driving device 120 may be a linear driving device 120 such as a screw motor or a reciprocating cylinder.

Alternatively, the guide member may be a pin or a connecting rod. The rotating part 330 is rotatably connected to the second slider 220 by a pin or a rotation link.

Optionally, as shown in fig. 1 and fig. 2, the switching mechanism further includes a first elastic member 400, one end of the first elastic member 400 is connected to the first slider 210, the other end of the first elastic member 400 is connected to the second slider 220, the first elastic member 400 is located between the first slider 210 and the second slider 220, the first elastic member 400 is a pressure spring, and when the first slider 210 and the second slider 220 move together, the first elastic member 400 is in a natural state, and when the first slider 210 and the second slider 220 move together toward the baffle 110 and the first slider 210 and the second slider 220 move together away from the baffle 110, the first elastic member 400 is in a natural state, at this time, the first elastic member 400 supports the first slider 210 and the second slider 220 apart to ensure that when the first slider 210 and the second slider 220 move together, the guide member does not apply an acting force to a hole wall of the guide hole 311, so that the second end 320 of the swing arm 300 does not swing, and the problem that the swing arm 320 is damaged by the second end of the swing arm 320 due to the first slider 210 and the second slider 220 moving together is avoided.

Optionally, as shown in fig. 1 and fig. 2, the swing arm 300 is bent towards a side away from the second slider 220, and the bent portion is a rotating portion 330, so as to leave a sufficient swing space for the second end 320 of the swing arm 300, and avoid the problem that the second end 320 cannot press the startup and shutdown button 31 of the unmanned aerial vehicle.

Optionally, as shown in fig. 1 and fig. 2, a second end 320 of the swing arm 300 is provided with a pressing block 322, and the second end 320 presses the on-off button 31 of the drone through the pressing block 322. Preferably, the pressing block 322 is connected with the second end 320 through the second elastic member 321, and the second elastic member 321 can play a role in buffering the pressing block 322 about to press the on/off button 31, so as to avoid the problem that the on/off button 31 is damaged due to the direct rigid contact between the pressing block 322 and the on/off button 31. Alternatively, the second elastic member 321 may be an elastic member such as a pressure spring or rubber.

Optionally, as shown in fig. 1 and fig. 2, a slide rail 130 is disposed on the base 100, a first sliding slot is disposed on the first slider 210, a second sliding slot is disposed on the second slider 220, and both the first sliding slot and the second sliding slot are in sliding fit with the slide rail 130, so as to guide the movement of the first slider 210 and the movement of the second slider 220, improve the stability of the swing arm 300, and improve the reliability of the second end 320 pressing the power on/off button 31.

Optionally, as shown in fig. 1 and fig. 2, the power on/off structure further includes a limiting component 510 and a first sensor 520, the limiting component 510 is disposed on the first slider 210, the first sensor 520 is disposed on the base 100, the first sensor 520 is in signal connection with the driving device 120, when the second end 320 presses the power on/off button 31, the limiting component 510 moves to the first sensor 520 along with the first slider 210, and the driving device 120 stops driving the first slider 210 to move toward the baffle 110, in this embodiment, the first sensor 520 is disposed at a position close to the baffle 110, during a process that the second end 320 swings toward the power on/off button 31, the first slider 210 continuously moves toward the baffle 110, when the second end 320 presses the power on/off button 31, the limiting component 510 moves to the position of the first sensor 520 along with the first slider 210, the first sensor 520 detects the limiting component 510 and sends a signal to the driving device 120, the driving device 120 stops driving the first slider 210 to move, and the second end 320 stops continuously pressing the power on/off button 31, so as to avoid damage to the power on/off button 31 caused by excessive pressing.

Further, as shown in fig. 1 and fig. 2, the power on/off structure further includes a second sensor 530, the second sensor 530 is disposed on the base 100, the second sensor 530 is in signal connection with the driving device 120, and when the limiting member 510 moves to the second sensor 530 along with the first slider 210, the driving device 120 stops driving the first slider 210 to move away from the baffle 110, in this embodiment, the second sensor 530 is disposed at a position away from the baffle 110 and close to the driving device 120, in a process that the driving device 120 drives the first slider 210 to move away from the baffle 110, the second slider 220 also moves away from the baffle 110 under a transmission action of the swing arm 300, when the limiting member 510 moves to a position of the second sensor 530 along with the first slider 210, the second sensor 530 monitors the limiting member 510 and sends a signal to the driving device 120, the driving device 120 stops driving the first slider 210 to move, at this time, both the first slider 210 and the second slider 220 stop moving, and move toward the baffle 110 again when the power on/off button 31 needs to be pressed next time.

Optionally, as shown in fig. 1 and fig. 2, the first sensor 520 and the second sensor 530 are proximity position sensors, and a through groove is disposed on each of the first sensor 520 and the second sensor 530, an extending direction of the through groove is parallel to a moving direction of the first slider 210, the limiting member 510 is substantially L-shaped, one end of the limiting member 510 is fixed on the first slider 210, and the other end of the limiting member 510 can extend into the through groove, when the other end of the limiting member 510 extends into the through groove along with the movement of the first slider 210, the first sensor 520 (or the second sensor 530) monitors the limiting member 510, and then sends a signal to the driving device 120.

Optionally, as shown in fig. 1 and fig. 2, a mounting plate is fixed on the base 100, the mounting plate is provided with a third sliding groove 141, the first sensor 520 and the second sensor 530 are both provided with a protruding block, the protruding block is in sliding fit with the third sliding groove 141, so as to adjust the positions of the first sensor 520 and the second sensor 530, especially for the first sensor 520, adjusting the position of the first sensor 520 has an effect of adjusting the swing amplitude of the second end 320 of the swing arm 300, and thus the second end 320 can be adjusted for different drones.

Preferably, as shown in fig. 1 and 2, the third sliding groove 141 is a through groove to facilitate the detachment and installation of the first sensor 520 and the second sensor 530.

The embodiment further provides a battery replacing device, as shown in fig. 1 to fig. 3, the battery replacing device includes a support 10 and the above-mentioned on-off structure, the base 100 is installed on the support 10, and the battery replacing device adopts the above-mentioned on-off structure, so that the occupied space of the battery replacing device in the height direction is effectively saved, and the overall size of the battery replacing device is further effectively reduced.

Optionally, as shown in fig. 1 to 4, the battery replacing device further includes a first moving unit 21 and a second moving unit 22, the support 10 is installed on a driving end of the first moving unit 21, a fixed end of the first moving unit 21 is installed on a driving end of the second moving unit 22, a fixed end of the second moving unit 22 is installed on an airport of the unmanned aerial vehicle or other fixed structure, the first moving unit 21 is used for driving the support 10 to move along a Z direction in fig. 4, and the second moving unit 22 is used for driving the support 10 to move along a Y direction in fig. 4, so that the battery replacing device can make position adjustments in the Y direction and the Z direction to adapt to the unmanned aerial vehicles in different positions. Specifically, the first moving unit 21 and the second moving unit 22 may be a screw progressive motor, a reciprocating cylinder, or the like driving structure.

Optionally, as shown in fig. 1 to 5, the battery replacing device further includes a clamping jaw assembly 11, the clamping jaw assembly 11 is installed on the support 10, the unmanned aerial vehicle includes a body 30, a cross bar 40, a plurality of rotors 50 and a plurality of rotor arms 60, the power on/off button 31 is disposed on the body 30, each rotor 50 is connected with the body 30 through one rotor arm 60, two ends of the cross bar 40 are respectively connected with two adjacent rotor arms 60, the clamping jaw assembly 11 can grab the cross bar 40, so that when the power on/off button 31 is pressed by the second end 320 of the swing arm 300, the unmanned aerial vehicle can keep relatively still with the battery replacing device, and reliability and stability of the second end 320 pressing the power on/off button 31 are improved. It should be noted that the specific structure and control manner of the clamping jaw assembly 11 are well known in the art, and for example, the clamping jaw assembly 11 may include a driving member and two clamping portions, and under the driving action of the driving member, the two clamping portions are close to or away from each other to achieve the gripping of the cross bar 40; alternatively, the jaw assembly 11 may be a robot, by which the cross bar 40 is gripped.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Switching on and shutting down structure, its characterized in that includes:

the device comprises a base (100), wherein a baffle (110) and a driving device (120) are respectively arranged at two ends of the base (100), and the driving device (120) is a linear driving device;

the sliding block assembly comprises a first sliding block (210) and a second sliding block (220), the driving end of the driving device (120) is connected with the first sliding block (210), and a guide piece is arranged on the first sliding block (210);

the swing arm (300) is provided with a first end (310), a second end (320) and a rotating part (330), the first end (310) is provided with a guide hole (311), the guide piece penetrates through the guide hole (311), the guide hole (311) extends towards the first sliding block (210) in an inclined mode, the rotating part (330) is located between the first end (310) and the second end (320), and the rotating part (330) is connected with the second sliding block (220) in a rotating mode;

the driving device (120) can drive the first sliding block (210) to move towards and away from the baffle (110), the driving device (120) is in transmission connection with the second sliding block (220) through the swing arm (300), so that the second sliding block (220) can move towards and away from the baffle (110), and under the action of the baffle (110), the second sliding block (220), the guide piece and the guide hole (311), the driving device (120) can drive the second end (320) to swing, so that the second end (320) can press a startup and shutdown button (31) of the unmanned aerial vehicle.

2. The switching structure according to claim 1, further comprising a first elastic member (400), wherein one end of the first elastic member (400) is connected to the first slider (210), the other end of the first elastic member (400) is connected to the second slider (220), the first elastic member (400) is located between the first slider (210) and the second slider (220), the first elastic member (400) is a pressure spring, and when the first slider (210) and the second slider (220) move together, the first elastic member (400) is in a natural state.

3. The switching mechanism structure according to claim 1, wherein the swing arm (300) is bent towards a side facing away from the second slider (220), and the bent portion is the rotating portion (330).

4. The switch mechanism according to claim 1, wherein a slide rail (130) is disposed on the base (100), a first sliding slot is disposed on the first sliding block (210), a second sliding slot is disposed on the second sliding block (220), and both the first sliding slot and the second sliding slot are slidably engaged with the slide rail (130).

5. The switching mechanism according to any one of claims 1 to 4, further comprising a stopper (510) and a first sensor (520), wherein the stopper (510) is disposed on the first slider (210), the first sensor (520) is disposed on the base (100), the first sensor (520) is in signal connection with the driving device (120), when the second end (320) presses the switching button (31), the stopper (510) moves with the first slider (210) to the first sensor (520), and the driving device (120) stops driving the first slider (210) to move toward the baffle (110).

6. The switch structure according to claim 5, characterized in that the switch structure further comprises a second sensor (530), the second sensor (530) is disposed on the base (100), the second sensor (530) is in signal connection with the driving device (120), and when the stopper (510) moves with the first slider (210) to the second sensor (530), the driving device (120) stops driving the first slider (210) to move away from the baffle (110).

7. A switch mechanism according to claim 6, characterized in that a mounting plate is fixed on the base (100), the mounting plate is provided with a third sliding slot (141), the first sensor (520) and the second sensor (530) are provided with a projection, and the projection is in sliding fit with the third sliding slot (141).

8. A switching mechanism according to claim 7, characterized in that the third runner (141) is a through slot.

9. Battery changing device, characterized in that it comprises a stand (10) and a switch mechanism according to any of claims 1-8, said base (100) being mounted on said stand (10).

10. The battery replacing device according to claim 9, further comprising a clamping jaw assembly (11), wherein the clamping jaw assembly (11) is mounted on the bracket (10), the unmanned aerial vehicle comprises a body (30), a cross bar (40), a plurality of rotors (50) and a plurality of rotor arms (60), the power on/off button (31) is arranged on the body (30), each of the rotors (50) and the body (30) is connected (60) through one of the rotor arms, two ends of the cross bar (40) are respectively connected with two adjacent rotor arms (60), and the clamping jaw assembly (11) can grasp the cross bar (40).

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