CN218316341U - Unmanned aerial vehicle changes battery device - Google Patents

Abstract

The utility model belongs to the technical field of unmanned aerial vehicle, an unmanned aerial vehicle changes battery device is disclosed, this unmanned aerial vehicle changes battery device includes the bracket component, lead screw progressive motor and centre gripping subassembly, the bracket component includes swing joint's first extension board and mounting bracket, lead screw progressive motor includes screw-thread fit's screw rod and nut, the one end and the motor drive end of screw rod are connected, the other end is connected with revolving wrong piece, nut and first support fixed connection, be equipped with the spout that deviates from screw rod axis direction slope near the one end orientation of nut on the first support board, the centre gripping subassembly includes connecting piece and holder, the connecting piece activity sets up in the spout, and the outer wall of connecting piece and the inner wall butt of spout, the one end and the connecting piece of holder are connected, the other end orientation deviates from the direction extension of motor, this unmanned aerial vehicle changes battery device revolve wrong piece and holder and be driven by same drive arrangement, unmanned aerial vehicle changes battery device's whole volume and weight have effectively been reduced.

Description

Unmanned aerial vehicle changes battery device

Technical Field

The utility model relates to an unmanned air vehicle technique field especially relates to an unmanned aerial vehicle changes battery device.

Background

Unmanned aerial vehicle battery changes device is the device that is used for changing the battery on the unmanned aerial vehicle, prior art (application publication number is CN 111806721A) discloses a battery automatic change device, the device includes the bottom plate, battery knob rotary mechanism and fixture etc, battery knob rotary mechanism and fixture are all slided and are established on the bottom plate, be provided with the fixed knob that is used for fixed battery on the unmanned aerial vehicle, battery knob rotary mechanism is used for rotatory fixed knob, in order to unblock battery or locking battery, fixture can grasp the battery on the unmanned aerial vehicle, in order to extract the battery from unmanned aerial vehicle.

In the above technical scheme, the battery knob rotating mechanism is driven by a rotary driving device to realize rotating and fixing the knob, and the clamping mechanism is driven by a linear driving device to realize clamping and extracting the battery, so that the rotary driving device and the linear driving device need to be respectively installed on the bottom plate, thereby not only increasing the whole volume of the automatic battery replacing device, but also increasing the whole weight of the automatic battery replacing device, and being not beneficial to installing the automatic battery replacing device on a small-size unmanned aerial vehicle airport.

Therefore, it is necessary to provide a battery replacing device for an unmanned aerial vehicle to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unmanned aerial vehicle changes battery device, this unmanned aerial vehicle change battery device twist piece and holder soon and drive by same drive arrangement, reached and reduced the effect that unmanned aerial vehicle changed battery device whole volume and weight.

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

unmanned aerial vehicle changes battery device includes:

the bracket assembly comprises a mounting bracket and a first support plate, the first support plate is movably connected with the mounting bracket, and a chute is arranged on the first support plate;

the screw rod progressive motor comprises a motor, a screw rod and a nut, wherein the fixed end of the motor is connected with the mounting frame, one end of the screw rod is connected with the driving end of the motor, the other end of the screw rod is connected with the screwing piece, the nut is in threaded fit with the screw rod, the nut is fixedly connected with the first support plate, and one end of the chute close to the nut inclines towards the direction departing from the axis direction of the screw rod;

the clamping assembly comprises a connecting piece and a clamping piece, the connecting piece is movably arranged in the sliding groove, the outer wall of the connecting piece is abutted to the inner wall of the sliding groove, one end of the clamping piece is connected with the connecting piece, and the other end of the clamping piece extends towards the direction deviating from the motor.

Optionally, the bracket assembly further includes a second support plate, an end face of one side of the second support plate is connected to the mounting bracket, an end face of the other side of the second support plate is slidably connected to the first support plate, and a fixed end of the motor is fixed to the second support plate.

Optionally, unmanned aerial vehicle changes battery device still includes the support, and the support is fixed on the second extension board, revolves to twist to be connected with the support rotation, and the support can support to twist.

Optionally, the battery replacing device for the unmanned aerial vehicle further comprises a bearing, and the screwing piece is rotatably connected with the support through the bearing.

Optionally, unmanned aerial vehicle changes battery device still includes pushing assembly, and pushing assembly includes first driving piece and ejector pad, and the stiff end of first driving piece is fixed on the mounting bracket, and first driving piece is orthoscopic drive arrangement, and the driving direction of first driving piece is parallel with the moving direction of nut, and first driving piece can drive ejector pad rectilinear movement to push into unmanned aerial vehicle with the battery on the mounting bracket.

Optionally, the push block is fixed on the second support plate, the driving end of the first driving piece is connected with the second support plate, and the end face of one side of the second support plate is connected with the mounting frame in a sliding mode.

Optionally, the bracket assembly further includes two baffles fixed to opposite sides of the mounting bracket, and the screwing member and the pushing block are both located between the two baffles.

Optionally, an elastic element is arranged on the end face of one side, facing each other, of the two baffles, and the elastic element can be abutted against the battery on the mounting frame to press the battery between the two baffles.

Optionally, the number of the clamping pieces, the connecting pieces and the sliding grooves is two and corresponds to one another, and the two clamping pieces are symmetrically arranged about the axis of the screw rod.

Optionally, the battery replacing device for the unmanned aerial vehicle further comprises a gripping assembly, the gripping assembly is installed on the installation frame, the unmanned aerial vehicle comprises a body, a battery, wings, connecting rods and reinforcing rods, the battery is installed on the body, the body is connected with the wings through the connecting rods, two ends of each reinforcing rod are respectively connected with the two adjacent connecting rods, and the gripping assembly can grip the reinforcing rods.

Has the advantages that:

the utility model provides an unmanned aerial vehicle changes battery device adopts lead screw progress motor, the motor passes through the screw rod drive and revolves wrong piece and rotate, make to revolve wrong piece can rotate the last fixed knob of unmanned aerial vehicle, and simultaneously, the motor passes through the nut, spout and connecting piece drive holder open and shut and take off the battery on the unmanned aerial vehicle, realized from this revolving wrong piece and holder by same drive arrangement driven effect, compared with the prior art, merge two drive arrangement into one, unmanned aerial vehicle changes battery device's whole volume and weight have effectively been reduced, make this unmanned aerial vehicle change battery device can use better in small unmanned aerial vehicle airport operating mode environment.

Drawings

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle provided by the present invention;

fig. 2 is a schematic view of a partial structure of the unmanned aerial vehicle provided by the present invention;

fig. 3 is a schematic view of a part of the structure of the battery replacing device for the unmanned aerial vehicle provided by the present invention;

fig. 4 is a schematic view of a part of the structure of the battery replacing device of the unmanned aerial vehicle provided by the utility model;

fig. 5 is a schematic view of a part of the structure of the battery replacing device of the unmanned aerial vehicle provided by the utility model;

fig. 6 is the utility model provides an unmanned aerial vehicle changes battery device's part structure schematic diagram.

In the figure:

10. a body; 11. a battery compartment; 20. a battery; 30. fixing the knob; 40. an airfoil; 50. a connecting rod; 60. a reinforcing bar;

110. a mounting frame; 120. a first support plate; 121. a chute; 130. a second support plate; 140. a baffle plate; 141. an elastic element; 150. a partition plate; 151. avoiding holes; 200. a screw rod progressive motor; 210. a motor; 220. a screw; 230. a nut; 310. a connecting member; 320. a clamping member; 410. a screwing member; 420. a support; 430. a bearing; 510. a first driving member; 520. a push block; 610. a grip member; 710. a second driving member; 720. and a third driving member.

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 limiting of 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 otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. 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 being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular 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.

The embodiment provides an unmanned aerial vehicle changes battery device, a battery for changing on the unmanned aerial vehicle, as shown in fig. 1 and fig. 2, the unmanned aerial vehicle that this embodiment provided roughly includes parts such as fuselage 10 and battery 20, be equipped with battery compartment 11 on the fuselage 10, battery 20 installs in battery compartment 11, be equipped with fixed knob 30 on battery compartment 11's the lateral wall, fixed knob 30 rotates with battery compartment 11's lateral wall to be connected, when fixed knob 30 is parallel with battery compartment 11's lateral wall, for the unblock state, can take out battery 20 in the battery compartment 11 this moment, also can install battery 20 in battery compartment 11, when fixed knob 30 is perpendicular with battery compartment 11's lateral wall, for the locking battery 20 state, fixed knob 30 can avoid sheltering from battery 20 so that battery 20 drops from in battery compartment 11. The unmanned aerial vehicle that this embodiment provided changes battery device, its the holder 320 that is used for dismantling battery 20 that is used for rotatory fixed knob 30 revolve to twist piece 410 and is driven by same drive arrangement, has reached the effect that reduces unmanned aerial vehicle and changes battery device whole volume and weight.

Specifically, as shown in fig. 1 to 3, this unmanned aerial vehicle battery replacement device includes a bracket assembly, lead screw step motor 200 and clamping assembly, the bracket assembly includes mounting bracket 110 and first support 120, first support 120 and mounting bracket 110 swing joint, be equipped with spout 121 on the first support 120, lead screw step motor 200 includes motor 210, screw 220 and nut 230, the stiff end of motor 210 is connected with mounting bracket 110, the one end of screw 220 is connected with the drive end of motor 210, the other end of screw 220 is connected with revolving screw 410, nut 230 and screw 220 screw-thread fit, nut 230 and first support 120 fixed connection, spout 121 is close to the one end orientation that deviates from screw 220 of nut 230 and inclines, clamping assembly includes connecting piece 310 and clamping piece 320, connecting piece 310 activity sets up in spout 121, and the outer wall of connecting piece 310 and the inner wall butt of spout 121, the one end of clamping piece 320 is connected with connecting piece 310, the other end orientation that clamping piece 320 deviates from motor 210 extends.

This unmanned aerial vehicle changes battery device adopts lead screw progress motor 200, motor 210 revolves wrong piece 410 through the drive of screw rod 220 and rotates, make revolve to revolve fixed knob 30 on the wrong piece 410 can rotatory unmanned aerial vehicle, and simultaneously, motor 210 passes through nut 230, spout 121 and connecting piece 310 drive holder 320 open and shut and take off battery 20 on the unmanned aerial vehicle, realized revolving from this and revolving wrong piece 410 and holder 320 by the driven effect of same drive arrangement, compare with prior art, merge two drive arrangement into one, effectively reduced unmanned aerial vehicle and changed battery device's whole volume and weight, make this unmanned aerial vehicle change battery device can use better in small-size unmanned aerial vehicle airport operating mode environment.

Optionally, a spring is arranged between the other end of the screw 220 and the screw 410, the axis of the spring, the axis of the screw 220 and the axis of the screw 410 are overlapped, and the arrangement of the spring is that the screw 410 plays a role in buffering, specifically, when the screw 410 is just in contact with the fixed knob 30, the spring can be compressed and deformed to avoid hard contact or impact between the screw 410 and the fixed screw, so that the fixed knob 30 and the screw 410 are protected.

Optionally, as shown in fig. 1 to 3, the other end of the clamping piece 320 is bent toward the axial direction of the screw 220 to form a hook-shaped structure, so that the other end of the clamping piece 320 can hook the battery 20 on the drone and hook out of the battery compartment 11. Of course, in other embodiments, the battery 20 may be taken out through other structures, for example, a suction cup is disposed on one side end surface of the clamping member 320 facing the axial direction of the screw 220, the battery 20 is sucked by the suction cup, and the battery 20 is moved out of the battery compartment 11 along with the movement of the clamping member 320.

Optionally, as shown in fig. 1 to 3, the rack assembly further includes a second support plate 130, one end surface of the second support plate 130 is connected to the mounting frame 110, the other end surface of the second support plate 130 is slidably connected to the first support plate 120, and a fixed end of the motor 210 is fixed to the second support plate 130, such that the first support plate 120 is movably connected to the mounting frame 110 through the second support plate 130, and the fixed end of the motor 210 is connected to the mounting frame 110 through the second support plate 130.

Preferably, as shown in fig. 1 to 4, the battery replacing device for the drone further includes a support 420, the support 420 is fixed on the second support plate 130, and the screw 410 is rotatably connected to the support 420, so that the support 420 can provide support for the screw 410, and stability when the screw 410 is abutted to the fixing knob 30 and stability when the fixing knob 30 is rotated are improved.

Further, as shown in fig. 1 to 4, the battery replacing device for the drone further includes a bearing 430, the bearing 430 is fixed on the support 420, and the screw 410 is inserted into the bearing 430, so that the screw 410 and the support 420 are rotatably connected through the bearing 430.

Optionally, as shown in fig. 1 to 4, the battery replacing device for the unmanned aerial vehicle further includes a pushing assembly, the pushing assembly includes a first driving member 510 and a pushing block 520, a fixed end of the first driving member 510 is fixed on the mounting frame 110, the first driving member 510 is a linear driving device, and a driving direction of the first driving member 510 is parallel to a moving direction of the nut 230, the first driving member 510 can drive the pushing block 520 to move linearly, so as to push the battery 20 on the mounting frame 110 into the unmanned aerial vehicle, so as to load a new battery 20 into the battery compartment 11, and complete replacement of the battery 20. Alternatively, the first driving member 510 may be a reciprocating cylinder or a lead screw stepping motor 200, etc.

Further, as shown in fig. 1 to 4, the ejector pad 520 is fixed on the second support plate 130, the driving end of the first driving piece 510 is connected with the second support plate 130, the end face of one side of the second support plate 130 is connected with the mounting frame 110 in a sliding manner, and the first driving piece 510 drives the ejector pad 520 to move linearly through the second support plate 130, so that the overall structure of the battery replacing device of the unmanned aerial vehicle is compact, and the effect of further reducing the overall volume of the battery replacing device of the unmanned aerial vehicle is achieved.

Optionally, as shown in fig. 1 to 5, the bracket assembly further includes two baffles 140, the two baffles 140 are fixed on opposite sides of the mounting frame 110, the screw 410 and the push block 520 are both located between the two baffles 140, and the two baffles 140 surround the battery 20 on the mounting frame 110, so as to avoid the problem that the battery 20 temporarily placed on the mounting frame 110 falls off.

Preferably, as shown in fig. 1 to 5, an elastic element 141 is provided on an end surface of one side of the two baffles 140 facing each other, the elastic element 141 can abut against the battery 20 on the mounting frame 110 to press the battery 20 between the two baffles 140, and when the battery 20 is taken out from the battery compartment 11 by the clamping member 320, the battery 20 is pressed by the elastic element 141, so that the problem that the battery 20 is too loose in the taking-out process is avoided, and the stability and reliability of the taking-out process of the battery 20 by the clamping member 320 are improved.

Alternatively, in this embodiment, the elastic element 141 is a spring plate, but in other embodiments, the elastic element 141 may also be a structure or a material with elastic properties, such as a spring or a high-strength rubber.

Preferably, as shown in fig. 1 to 5, the elastic elements 141 on the two baffles 140 are symmetrically arranged, and each baffle 140 is provided with a plurality of elastic elements 141, and the plurality of elastic elements 141 on each baffle 140 are uniformly distributed on the end surface of the baffle 140, so that on one hand, the effect of the elastic elements 141 on pressing the battery 20 is improved, and on the other hand, the uniformity of pressing the battery 20 by the elastic elements 141 is also improved, so that the battery 20 can be more uniformly pressed when being taken out.

Optionally, as shown in fig. 1 to 5, the number of the clamping pieces 320, the connecting piece 310, and the sliding grooves 121 is two and one-to-one, the two clamping pieces 320 are symmetrically arranged about the axis of the screw 220, when the unmanned aerial vehicle is provided with only one battery compartment 11 and one battery 20, the two clamping pieces 320 can simultaneously clamp the battery 20 from two sides of the battery 20, and when the unmanned aerial vehicle is provided with two battery compartments 11 and two batteries 20, the two clamping pieces 320 can respectively clamp the two batteries 20. In the technical scheme provided by this embodiment, still refer to fig. 1 to 5, be equipped with two battery compartments 11 on the fuselage 10, install a battery 20 in each battery compartment 11, still be equipped with baffle 150 on the mounting bracket 110, baffle 150 is located between two baffles 140, and the region of baffle 150 both sides is corresponding with two battery compartments 11 respectively, the quantity of ejector pad 520 is two, two ejector pads 520 are located the both sides of baffle 150 respectively, when dismantling battery 20, two holders 320 presss from both sides two batteries 20 from battery compartment 11 respectively and gets to the mounting bracket 110 of baffle 150 both sides, when installing battery 20, two ejector pads 520 push into two battery compartments 11 with two batteries 20 on the mounting bracket 110 of baffle 150 both sides respectively, in order to realize changing two batteries 20 on the unmanned aerial vehicle simultaneously. Furthermore, the partition plate 150 is provided with an avoiding hole 151, and the avoiding hole 151 corresponds to the position of the screwing member 410, so as to avoid the partition plate 150 from blocking the screwing member 410.

Optionally, as shown in fig. 1 to 5, the battery replacing device for the unmanned aerial vehicle further includes a grasping assembly, the grasping assembly is installed on the mounting frame 110, the unmanned aerial vehicle further includes a wing 40, a connecting rod 50 and a reinforcing rod 60, the fuselage 10 is connected with the wing 40 through the connecting rod 50, two ends of the reinforcing rod 60 are respectively connected with two adjacent connecting rods 50, when the battery 20 on the unmanned aerial vehicle is replaced, the grasping assembly can grasp the reinforcing rod 60 to fix the unmanned aerial vehicle, and in the process of replacing the battery 20, if the wing 40 is in a rotating state, the grasping assembly grasps the reinforcing rod 60 to enable the acting force applied by the unmanned aerial vehicle to the mounting frame 110 to act on the unmanned aerial vehicle in a reverse direction, so that the probability of damage of the battery replacing device of the unmanned aerial vehicle under the acting force of the unmanned aerial vehicle is reduced.

Alternatively, as shown in fig. 1 to 5, the gripping assembly includes a gripping driving device (not shown) and a gripping member 610, the gripping member 610 includes a first gripping sheet and a second gripping sheet, a fixed end of the gripping driving device and the first gripping sheet are fixed on the mounting frame 110, a driving end of the gripping driving device is fixedly connected with the second gripping sheet, and the second gripping sheet can approach and separate from the first gripping sheet under the driving of the gripping driving device, so as to realize the effect that the gripping member 610 grips and releases the reinforcing bar 60. The gripping drive device may be a linear drive device such as a linear cylinder, or may be a rotary drive device such as a rotary cylinder. Of course, in other embodiments, the gripping assembly may be a robotic arm, and the opening and closing of the robotic arm is controlled by the controller to achieve the gripping and releasing effects of the reinforcing rods 60. Preferably, the number of the grip 610 is two, and two grip 610 are provided at opposite sides of the mounting bracket 110 to be able to grip the reinforcing bar 60 at both ends of the reinforcing bar 60, respectively.

Optionally, as shown in fig. 1 to 6, the battery replacing apparatus for the unmanned aerial vehicle further includes a second driving element 710 and a third driving element 720, the second driving element 710 and the third driving element 720 are both linear driving apparatuses, a driving end of the second driving element 710 is fixedly connected with the mounting frame 110, a fixed end of the second driving element 710 is fixedly connected with a driving end of the third driving element 720, driving directions of the first driving element 510, the second driving element 710 and the third driving element 720 are perpendicular to each other, that is, the first driving element 510 can drive components such as the first support plate 120 on the second support plate 130 and the second support plate 130 to move in the x direction, the second driving element 710 can drive the mounting frame 110 to move in the z direction, and the third driving element 720 can drive the mounting frame 110 to move in the y direction, so that the battery replacing apparatus for the unmanned aerial vehicle can perform position adjustment for unmanned aerial vehicles in different positions. Alternatively, the second driving member 710 may be a reciprocating cylinder or a lead screw stepping motor 200, etc., and the third driving member 720 may be a reciprocating cylinder or a lead screw stepping motor 200, etc.

The following provides a brief description of the working process of the battery 20 dismounting and mounting device for replacing the battery of the unmanned aerial vehicle, as shown in fig. 1 to 6:

under the driving action of the second driving piece 710 and the third driving piece 720, the mounting frame 110 is moved, so that the mounting frame 110 corresponds to the position of the unmanned aerial vehicle;

the gripping member 610 grips the reinforcing bar 60 on the drone under the driving action of the gripping driving device;

the first driving member 510 drives the second support plate 130 to move towards the direction of the unmanned aerial vehicle, so that the screwing member 410 passes through the avoidance hole 151 and is inserted into the screwing hole in the fixing knob 30, the screw advancement motor 200 drives the screwing member 410 to rotate through a screw rod thereof, so as to realize the action of rotating the fixing knob 30, meanwhile, the nut 230 on the screw advancement motor 200 drives the first support plate 120 to move linearly towards the direction of the unmanned aerial vehicle, during the movement of the first support plate 120, the inner wall of the chute 121 exerts an acting force on the outer wall of the connecting member 310, so that the connecting member 310 is opened during the movement (i.e., the ends of the two clamping members 320 far from the motor 210 are far away from each other in the y direction), after the clamping member 120 is opened to a certain extent, the screw advancement motor 200 is driven reversely, the nut 230 drives the first support plate 120 to move linearly in the reverse direction, during the movement of the first support plate 120, the inner wall of the chute 121 exerts an acting force on the outer wall of the connecting member 310, so that the connecting member 310 moves in the chute 121 in the reverse direction, so that the connecting member 310 moves in the chute 121, the connecting member 310 drives the clamping member 320 to be closed (i.e., the ends of the two clamping members 320 are far from the motor 210 are far away from each other in the y direction of the battery, so that the battery hooking member 130 can move towards the battery hooking chamber 110, so that the battery can be taken out of the battery, and the battery 20, and the battery can be taken out of the battery hooking member 110, and the battery can be taken out of the battery 20, and the battery taking out of the battery taking bin 110, and the battery taking out of the battery bin 110;

the old battery 20 on the mounting frame 110 is taken down, the new battery 20 is placed on the mounting frame 110, the first driving piece 510 drives the second support plate 130 to move towards the direction of the unmanned aerial vehicle again, and the pushing block 520 on the second support plate 130 pushes the battery 20 on the mounting frame 110 into the battery compartment 11, so that the battery 20 on the unmanned aerial vehicle is replaced.

The unmanned aerial vehicle that this embodiment provided changes battery device, through setting up lead screw progressive motor 200, lead screw with lead screw progressive motor 200 with revolve wrong piece 410 and be connected, nut 230 with lead screw progressive motor 200 is connected with first support plate 120, it can enough drive to revolve the rotation of revolving piece 410 and can drive opening and shutting of holder 320 to have realized lead screw progressive motor 200 from this, compared with the prior art, merge two drive arrangement for a drive arrangement, unmanned aerial vehicle has effectively reduced unmanned aerial vehicle and has changed battery device's driving piece quantity, and then reduced unmanned aerial vehicle and changed battery device's whole volume and weight, and, this unmanned aerial vehicle changes battery device overall structure simple compactness, be fit for being extensively used widely.

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. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and 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. Unmanned aerial vehicle changes battery device, its characterized in that includes:

the support assembly comprises a mounting frame (110) and a first support plate (120), the first support plate (120) is movably connected with the mounting frame (110), and a sliding groove (121) is formed in the first support plate (120);

the screw rod progressive motor (200) comprises a motor (210), a screw rod (220) and a nut (230), wherein the fixed end of the motor (210) is connected with the mounting frame (110), one end of the screw rod (220) is connected with the driving end of the motor (210), the other end of the screw rod (220) is connected with a screwing piece (410), the nut (230) is in threaded fit with the screw rod (220), the nut (230) is fixedly connected with the first supporting plate (120), and one end, close to the nut (230), of the sliding chute (121) inclines towards the axis direction departing from the screw rod (220);

the centre gripping subassembly, the centre gripping subassembly includes connecting piece (310) and holder (320), connecting piece (310) activity set up in spout (121), just the outer wall of connecting piece (310) with the inner wall butt of spout (121), the one end of holder (320) with connecting piece (310) is connected, the other end orientation of holder (320) deviates from the direction of motor (210) is extended.

2. The unmanned aerial vehicle battery replacing device according to claim 1, wherein the bracket assembly further comprises a second support plate (130), one end surface of the second support plate (130) is connected with the mounting frame (110), the other end surface of the second support plate (130) is slidably connected with the first support plate (120), and a fixed end of the motor (210) is fixed on the second support plate (130).

3. The drone battery-replacing device according to claim 2, further comprising a support (420), the support (420) being fixed to the second support plate (130), the screw (410) being rotatably connected to the support (420), the support (420) being able to support the screw (410).

4. The drone battery-changing device according to claim 3, further comprising a bearing (430), wherein the screw (410) is rotatably connected with the support (420) by the bearing (430).

5. The device for replacing the battery of the unmanned aerial vehicle as claimed in claim 2, further comprising a pushing assembly, wherein the pushing assembly comprises a first driving member (510) and a pushing block (520), a fixed end of the first driving member (510) is fixed on the mounting frame (110), the first driving member (510) is a linear driving device, a driving direction of the first driving member (510) is parallel to a moving direction of the nut (230), and the first driving member (510) can drive the pushing block (520) to move linearly so as to push the battery (20) on the mounting frame (110) into the unmanned aerial vehicle.

6. The unmanned aerial vehicle battery replacement device of claim 5, wherein the push block (520) is fixed on the second support plate (130), the driving end of the first driving piece (510) is connected with the second support plate (130), and the end surface of one side of the second support plate (130) is slidably connected with the mounting frame (110).

7. The apparatus for replacing battery of unmanned aerial vehicle as claimed in claim 5, wherein the bracket assembly further comprises two baffles (140), the two baffles (140) are fixed on two opposite sides of the mounting frame (110), and the screw (410) and the push block (520) are located between the two baffles (140).

8. The device for replacing a battery of an unmanned aerial vehicle according to claim 7, wherein an end face of one side of the two baffles (140) facing each other is provided with an elastic element (141), and the elastic element (141) can abut against the battery (20) on the mounting frame (110) to press the battery (20) between the two baffles (140).

9. The unmanned aerial vehicle battery replacing device according to any one of claims 1-8, wherein the number of the clamping pieces (320), the connecting pieces (310) and the sliding grooves (121) is two and corresponds to one another, and the two clamping pieces (320) are symmetrically arranged about the axis of the screw rod (220).

10. The device for replacing the battery of the unmanned aerial vehicle as claimed in any one of claims 1-8, further comprising a grasping assembly, the grasping assembly is mounted on the mounting frame (110), the unmanned aerial vehicle comprises a body (10), a battery (20), wings (40), connecting rods (50) and reinforcing rods (60), the battery (20) is mounted on the body (10), the body (10) and the wings (40) are connected through the connecting rods (50), two ends of each reinforcing rod (60) are respectively connected with two adjacent connecting rods (50), and the grasping assembly can grasp the reinforcing rods (60).

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