Automatic battery replacing device for unmanned aerial vehicle

Through the collaborative design of a three-axis servo mechanism, an electric gripper, and a drone top-pressure assembly, the issues of battery life and safety during drone battery replacement are solved, enabling a fast and reliable battery replacement process.

CN223521084UActive Publication Date: 2025-11-07BEIJING AEROSPACE GUANGHUA ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423111966.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Most existing drones use charging, which affects battery life and rapid response capabilities, and the way the battery is installed in the fuselage is not safe and reliable.

Method used

Employing a three-axis servo mechanism, electric gripper, and drone top-pressing assembly, the integrated design enables automatic battery replacement. The coordinated operation of the X, Y, and Z-axis motion components and the electric gripper ensures reliable installation and separation of the battery from the fuselage.

Benefits of technology

It enables simple, fast, safe and reliable automatic replacement of drone batteries, improving motion accuracy and transmission efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223521084U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of unmanned aerial vehicle automatic battery replacing devices, in particular to an unmanned aerial vehicle quick battery replacing mechanism which comprises a three-axis servo mechanism, an electric clamping jaw, a lock catch assembly and an unmanned aerial vehicle jacking assembly. The lock catches on the two sides of the battery are designed to be matched with the battery box and the unmanned aerial vehicle, the lock catches can be released while the battery is clamped by the clamping jaws, the unmanned aerial vehicle can be pressed by the jacking assembly when the battery is lifted, and the unmanned aerial vehicle is prevented from being lifted along with the battery, so that the battery is replaced more simply, quickly, safely and reliably.
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Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane battery replacement device field, concretely relates to the device convenient for unmanned plane battery replacement operation. BACKGROUND

[0002] At present, most unmanned airfields on the market adopt charging form without battery replacement function, which greatly influences the endurance and rapid response capability of the unmanned plane, especially in some fields requiring frequent take-off and landing or long time cruising.

[0003] In addition, in order to ensure the safety of the unmanned plane during flight, the mounting mode of the battery and the fuselage must be safe and reliable, and there is great resistance when being separated, the utility model adopts the form of servo mechanism and electric clamping jaw, and the tightening and lifting force is controllable and adjustable, so that the reliable mounting of the battery and the fuselage and the difficult separation problem can be effectively solved. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model provides an unmanned plane automatic battery replacement device, which has the advantages of simple and fast, safe and reliable, high motion precision and high transmission efficiency.

[0005] The utility model adopts the technical scheme as follows: an unmanned plane automatic battery replacement device, including three-axis servo mechanism, electric clamping jaw, unmanned plane top pressure assembly, wherein, the three-axis servo mechanism includes space X, Y, Z three direction movement assembly, the movement assembly is all screw and sliding block mechanism driven by motor, the sliding block of the screw and sliding block mechanism in height Z direction is installed electric clamping jaw, the electric clamping jaw is moved to the position under the drive of space X, Y, Z three direction movement assembly and clamps the unmanned plane battery lock catch in the replacement / installation battery, the unmanned plane top pressure assembly is installed on the terminal mechanism, and is used for supporting and protecting the unmanned plane during the replacement battery.

[0006] Preferably, the X, Y, Z three direction movement assembly includes two side synchronous screw and sliding block mechanisms, and is driven by an A motor respectively, the screw and sliding block mechanism of Y direction movement assembly is called crossbeam and is driven by B motor, and the crossbeam is installed on the sliding block of synchronous screw and sliding block mechanism, the sliding block of crossbeam is installed terminal mechanism, Z direction movement assembly is arranged on the terminal mechanism, sliding plate is installed on the sliding block of Z direction movement assembly and is driven by C motor installed on the terminal mechanism, and electric clamping jaw is installed at the bottom of sliding plate.

[0007] Preferably, the device further includes displacement sensor, and the displacement sensor is built in the screw shaft inside the screw and sliding block mechanism.

[0008] Preferably, the three-axis servo mechanism is fixed to the inner side wall of the unmanned airfield.

[0009] Preferably, the unmanned aerial vehicle top pressing assembly comprises a structural member installed at the lower end of the terminal mechanism and a flexible support member attached to the structural member.

[0010] Preferably, the unmanned aerial vehicle battery lock comprises battery two-side steps and elastic protrusions, and the unmanned aerial vehicle battery lock is fixed on both sides of the battery through springs.

[0011] Preferably, the electric clamping jaw comprises left and right opening and closing clamping blocks connected with an internal reverse motion mechanism, and under the driving of the reverse motion mechanism, opening and closing movement and clamping force adjustment are realized.

[0012] The unmanned aerial vehicle automatic battery replacement device has the advantages of simple and quick operation, safety and reliability, high motion precision and transmission efficiency, and can be widely applied in the fields of robots, high-precision numerical control machine tools and the like.

[0013] The unmanned aerial vehicle automatic battery replacement device provided by the utility model has the advantages of simple and quick operation, safety and reliability, high motion precision and transmission efficiency, and can be widely applied in the fields of robots, high-precision numerical control machine tools and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a structure schematic diagram of unmanned aerial vehicle automatic battery replacement device.

[0015] Figure 2 The utility model provides an electric clamping jaw schematic diagram.

[0016] Figure 3 The utility model provides a battery structure schematic diagram. DETAILED DESCRIPTION

[0017] The utility model will be described in detail in connection with the drawings as follows:

[0018] As Figure 1 The utility model provides a kind of unmanned aerial vehicle automatic battery replacement device, including: three-axis servo mechanism, electric clamping jaw;Three-axis servo mechanism is installed in unmanned airfield internal side wall, and three-axis servo mechanism includes including space X, Y, Z three direction movement components, the movement component is all by motor-driven screw block mechanism, and the screw rod shaft in screw block mechanism is provided with outer thread, and the inner thread of the slider is engaged.For the displacement of accurately controlled movement component, still include displacement sensor;Displacement sensor is built-in in the screw rod shaft inside of screw block mechanism.

[0019] Two side synchronous screw slide mechanism 1, through two side A motor 2 drive can realize beam 3 in X direction linear motion, the beam 3 (Y direction movement component's screw slide mechanism) is equipped with B motor 4, terminal mechanism 5 is driven under B motor 4, through screw slide mechanism can realize linear motion in Y direction, terminal mechanism 5 is equipped with C motor 6, under the drive of C motor 6, electric gripper can realize linear motion in Z direction through slide plate 7, (see Figure 2 ) Electric gripper is equipped with left and right opening and closing clamping plate 8, under the drive of internal opposite direction movement mechanism, opening and closing movement can be realized, and the clamping force can be controlled and adjusted;Terminal mechanism lower part is equipped with structural member 9, during battery replacement, support unmanned aerial vehicle, prevent battery installation from being too tight and causing unmanned aerial vehicle and battery to be pulled up together, in addition, to prevent the damage caused by the top pressure assembly to the surface of unmanned aerial vehicle, flexible support member 10 is attached thereto. After the terminal mechanism moves to the battery position, the lower part of the terminal mechanism structure 9 is relatively static with the position of the unmanned aerial vehicle, and is used to push the upper part of the unmanned aerial vehicle, at this time the gripper can clamp the battery, and the battery is clamped under the action of the slide plate.

[0020] The working process is as follows: the three-axis servo mechanism sends the terminal mechanism to the position according to the pre-set coordinates, the terminal mechanism top pressure assembly is in close contact with the unmanned aerial vehicle shell, the electric gripper drives the left and right opening and closing sliders to move to the middle, and presses the protrusions on both sides of the unmanned aerial vehicle battery, so as to trigger the battery and the unmanned aerial vehicle buckle to be separated, at the same time, the left and right opening and closing sliders extend to the steps on both sides of the battery, then the terminal mechanism moves upward along the Z axis, so as to separate the unmanned aerial vehicle battery from the body, the three-axis servo mechanism sends the battery to the empty slot of the battery box for charging, finally, the full battery is loaded back to the unmanned aerial vehicle from the battery slot according to the above movement process, and reciprocating movement is realized, so as to realize the whole battery replacement process.

[0021] As described above, the unmanned aerial vehicle automatic battery replacement device is improved in structure and layout from multiple aspects, an integrated design is adopted, the three-axis servo mechanism, the electric gripper, the unmanned aerial vehicle top pressure assembly and the unmanned aerial vehicle battery lock buckle are organically integrated, and mutual cooperation is realized, which has the advantages of simple and fast, safe and reliable, high movement precision and transmission efficiency, and can be widely applied in the fields of robots and high-precision numerical control machine tools.

[0022] The above only describes the preferred embodiments of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should be regarded as the protection scope of the utility model.

Claims

1. An unmanned aerial vehicle automatic battery replacement device, characterized in that: The three-axis servo mechanism, the electric clamping jaw, and the unmanned aerial vehicle pressing assembly are included, wherein the three-axis servo mechanism includes a space X, Y, Z three-direction motion assembly, the motion assembly is a lead screw and sliding block mechanism driven by a motor, the sliding block of the lead screw and sliding block mechanism in the height Z direction is provided with the electric clamping jaw, the electric clamping jaw is driven by the space X, Y, Z three-direction motion assembly to move to a position and clamps the unmanned aerial vehicle battery lock in the process of replacing or installing the battery, and the unmanned aerial vehicle pressing assembly is installed on the terminal mechanism and is used for supporting and protecting the unmanned aerial vehicle in the process of replacing the battery.

2. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The X-direction motion assembly of the X, Y, Z three-direction motion assembly includes two synchronous lead screw and sliding block mechanisms driven by an A motor respectively, the lead screw and sliding block mechanism of the Y-direction motion assembly is a cross beam driven by a B motor, the cross beam is installed on the sliding block of the synchronous lead screw and sliding block mechanism, the sliding block of the cross beam is provided with the terminal mechanism, the Z-direction motion assembly is arranged on the terminal mechanism, a sliding plate is installed on the sliding block of the Z-direction motion assembly and is driven by a C motor installed on the terminal mechanism, and the electric clamping jaw is installed at the bottom of the sliding plate.

3. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The displacement sensor is arranged in the lead screw shaft of the lead screw and sliding block mechanism.

4. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The three-axis servo mechanism is fixed to the inner side wall of the unmanned aerial vehicle field.

5. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The unmanned aerial vehicle pressing assembly includes a structural member installed at the lower end of the terminal mechanism and a flexible supporting member attached to the structural member.

6. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The unmanned aerial vehicle battery lock includes battery two-side steps and elastic protrusions, and the unmanned aerial vehicle battery lock is fixed to the two sides of the battery by a spring.

7. The unmanned aerial vehicle automatic battery replacement device of claim 1, wherein, The electric clamping jaw includes left and right opening and closing clamping blocks connected with an internal opposite direction motion mechanism, and the opening and closing clamping blocks are driven by the opposite direction motion mechanism to realize opening and closing motion and adjustment of clamping force.