Fixing structure for machining unmanned aerial vehicle fuel tank

By designing a combined structure of a fixed platform, sliding seat, electric actuator, and motor drive, the adjustability problem of existing fixed structures for UAV fuel tank processing was solved, enabling flexible fixing and stable rotation of different fuel tanks and improving processing efficiency.

CN224074328UActive Publication Date: 2026-04-03XIE HYDROGEN (SHANGHAI) NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The existing fixtures for fixing the fuel tank in drone processing lack adjustable functions and cannot be adjusted according to the size and shape of the fuel tank, resulting in low fixing efficiency.

Method used

The design employs a combination of a fixed platform, sliding seat, electric actuator, clamping plate, protrusion block, rubber pad, and pressure sensor to achieve flexible adjustment of the clamping plate height and angle. Combined with the motor-driven rotation function, it enables multi-angle fixing and rotation of the oil tank.

Benefits of technology

It enables rapid fixing of oil tanks of different sizes and shapes, avoids clamping damage, improves fixing efficiency and stability, and meets diverse processing needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing structure for machining an unmanned aerial vehicle fuel tank, and relates to the technical field of fuel tank machining, the fixing structure comprises a machining table, a supporting frame is arranged below the machining table, a fixing table is arranged above the machining table, the upper end of the fixing table is provided with four first mounting grooves, and the first mounting grooves are connected with the supporting frame. Four first mounting grooves are formed in the base, sliding seats are arranged in the four first mounting grooves, first electric push rods are arranged in the four first mounting grooves, the first electric push rods are arranged on one sides of the sliding seats, telescopic cavities are formed in the sliding seats, clamping plates are arranged in the telescopic cavities, and second electric push rods are arranged in the telescopic cavities. The fixing structure is composed of the front clamp, the rear clamp and the left clamp, the requirement for fixing oil tanks of different sizes and shapes can be met, the clamps can be independently adjusted, the fixing height position of the oil tank is correspondingly changed, and the oil tank fixing effect is improved.
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Description

Technical Field

[0001] This utility model relates to the field of fuel tank processing technology, specifically a fixed structure for processing drone fuel tanks. Background Technology

[0002] The drone fuel tank is an important component of the drone's fuel or energy storage system. Its design must take into account lightweight, safety, durability and adaptability to meet the operational needs of different types of drones. The drone fuel tank usually includes components such as the tank body, filling port, drain port, fuel level sensor, explosion-proof device and so on. During the processing of the drone fuel tank, the fuel tank is rigidly fixed by the clamp.

[0003] Chinese Patent Publication No. CN210479053U, authorized on May 8, 2020, discloses a fixing device for processing drone fuel tanks. The device includes a worktable, with vertical screws fixed on both sides of the top of the worktable. The top of each vertical screw is connected to a vertical threaded tube via a threaded helical drive. The top of the threaded tube is rotatably inserted into the bottom of a connecting block. A horizontal screw is welded to one side of the connecting block. One end of the horizontal screw is connected to a horizontal threaded tube via a threaded helical drive. One end of the horizontal threaded tube is rotatably inserted into a connecting groove in the middle of one side of a fixing frame. A clamping block is provided at one end of the fixing frame via a support rod. This allows for the fixing of fuel tanks of different heights and widths, and facilitates convenient repositioning and fixing of the fuel tanks.

[0004] The existing fixing structure uses clamps to fix the oil tank to the worktable. The clamps are not adjustable, and the clamping height and angle are fixed. They cannot be adjusted according to the size and shape of the oil tank, so the clamps need to be replaced, which reduces the fixing efficiency and cannot meet the usage requirements. Utility Model Content

[0005] The purpose of this utility model is to provide a fixing structure for processing drone fuel tanks, in order to solve the problems mentioned in the background art. The existing fixing structure fixes the fuel tank to the worktable by means of a clamp. The clamp has no adjustable function, the clamping height and angle are fixed, and it cannot be adjusted according to the size and shape of the fuel tank. The clamp needs to be replaced, which reduces the fixing efficiency and fails to meet the usage requirements.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fixed structure for processing drone fuel tanks, comprising a processing table, a support frame disposed below the processing table and connected to the processing table by screws, a fixed platform disposed above the processing table, four first mounting slots disposed at the upper end of the fixed platform, each of the four first mounting slots having a sliding seat disposed inside and slidably connected to the fixed platform, each of the four first mounting slots having a first electric actuator disposed inside and connected to the fixed platform by screws, the first electric actuator disposed on one side of the sliding seat and having its telescopic end connected to the sliding seat, the sliding seat having a telescopic cavity disposed inside the telescopic cavity having a clamping plate disposed inside and slidably connected to the sliding seat, the telescopic cavity having a second electric actuator disposed inside the telescopic cavity and connected to the sliding seat by screws, the second electric actuator disposed below the clamping plate and having its telescopic end connected to the clamping plate.

[0007] Preferably, a protrusion is provided on one side of the upper part of the clamping plate, and the protrusion is fixedly connected to the clamping plate. A rubber pad is provided on one side of the protrusion, and the rubber pad is in close contact with the protrusion.

[0008] Preferably, a pressure sensor is provided at the contact point between the rubber pad and the protrusion, and the pressure sensor is fixedly connected to the protrusion.

[0009] Preferably, the side wall of the clamping plate is provided with a second roller groove, there are two second roller grooves, and the two second roller grooves are provided on both sides of the clamping plate. The inner wall of the telescopic cavity is provided with a second ball, one end of the second ball extends into the interior of the second roller groove, and the second ball is in rolling connection with the sliding seat and the clamping plate.

[0010] Preferably, a third roller groove is provided on the side wall of the sliding seat, and a third ball is provided on the inner wall of the first mounting groove. One end of the third ball extends into the interior of the third roller groove, and the third ball is tactilely connected to the fixed platform and the sliding seat.

[0011] Preferably, a motor is provided below the center of the processing table, and the motor is connected to the processing table by screws, and the output end of the motor is connected to the lower end of the fixed table.

[0012] Preferably, the upper end of the processing table is provided with a first roller groove, and the first roller groove is circular. The lower end of the fixed table is provided with a first ball bearing, and there are four first balls bearings arranged in a circular and equidistant manner at the lower end of the fixed table. One end of each first ball bearing extends into the interior of the first roller groove, and the first ball bearing is in rolling connection with the processing table and the fixed table.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model device comprises a fixed platform, a sliding seat, a first electric push rod, a clamping plate, a second electric push rod, a protrusion, a rubber pad, and a pressure sensor. The sliding seat is slidably connected to the fixed platform, and the clamping plate is slidably connected to the sliding seat. The second electric push rod drives the clamping plate to rise and fall, changing the height of the clamping plate. The first electric push rod drives the sliding seat to slide in the first mounting groove, moving the clamping plate toward the oil tank. The clamping plate clamps and fixes the oil tank from the front, back, left, and right. The protrusion and rubber pad directly contact the oil tank, facilitating contact with the recessed parts of the oil tank for fixation. The pressure sensor measures the clamping force of the oil tank, preventing damage from excessive clamping. The rubber pad protects the fixed oil tank and can quickly fix oil tanks of different sizes and shapes.

[0015] 2. The utility model device, through the arrangement of the first ball bearing, motor and the first roller groove, the motor drives the fixed platform to rotate, and as the fixed platform rotates, it drives the fixed oil tank to rotate horizontally, changing the angle of the fixed oil tank. The first ball bearing supports the fixed platform and rolls along the first roller groove as the fixed platform rotates. It can guide the rotating fixed platform, reduce the rotational resistance of the fixed platform, and improve the rotational stability of the fixed oil tank. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a bottom-view perspective view of the fixing platform of this utility model;

[0018] Figure 3 This is a perspective view of the processing table of this utility model;

[0019] Figure 4 This is a structural diagram of the connection between the clamping plate and the sliding seat of this utility model;

[0020] Figure 5 This is a diagram showing the connection relationship between the clamping plate and the sliding seat of this utility model;

[0021] Figure 6 This diagram shows the connection relationship between the sliding seat, the fixed platform, and the clamping plate of this utility model.

[0022] In the diagram: 1. Processing table; 2. Support frame; 3. Fixed table; 4. First mounting groove; 5. Sliding seat; 6. First electric actuator; 7. Clamping plate; 8. First ball bearing; 9. Motor; 10. First roller groove; 11. Telescopic cavity; 12. Second electric actuator; 13. Protrusion; 14. Rubber pad; 15. Second roller groove; 16. Third roller groove; 17. Second ball bearing; 18. Pressure sensor; 19. Third ball bearing. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Please see Figure 1-6 This utility model provides an embodiment of a fixing structure for processing drone fuel tanks, including a processing table 1, a support frame 2 below the processing table 1, and the support frame 2 connected to the processing table 1 by screws, a fixing platform 3 above the processing table 1, and four first mounting slots 4 equidistantly arranged at the upper end of the fixing platform 3. Each of the four first mounting slots 4 has a sliding seat 5 slidably connected to the fixing platform 3. Each component is equipped with a first electric actuator 6, which is connected to the fixed platform 3 by screws. The first electric actuator 6 is located on one side of the sliding seat 5, and its telescopic end is connected to the sliding seat 5. The sliding seat 5 is provided with a telescopic cavity 11, and a clamping plate 7 is provided inside the telescopic cavity 11. The clamping plate 7 is slidably connected to the sliding seat 5. A second electric actuator 12 is provided inside the telescopic cavity 11, and its second electric actuator 12 is connected to the sliding seat 5 by screws. The second electric actuator 12 is located below the clamping plate 7, and its telescopic end is connected to the clamping plate 7.

[0025] In use: Place the oil tank flat on the fixed platform 3, drive the second electric push rod 12 to drive the clamping plate 7 to rise and fall, extend the clamping plate 7 to a suitable length, drive the first electric push rod 6 to drive the sliding seat 5 to slide in the first mounting groove 4, and as the sliding seat 5 slides, the clamping structure comes into contact with the oil tank, and the clamping structure clamps and fixes the oil tank from the front, back and left and right.

[0026] Please see Figure 1 , Figure 4 and Figure 5 A protrusion 13 is provided on one side of the upper part of the clamping plate 7, and the protrusion 13 is fixedly connected to the clamping plate 7. A rubber pad 14 is provided on one side of the protrusion 13, and the rubber pad 14 is fitted and connected to the protrusion 13. A pressure sensor 18 is provided at the contact point between the rubber pad 14 and the protrusion 13, and the pressure sensor 18 is fixedly connected to the protrusion 13. The protrusion 13 and the rubber pad 14 are in direct contact with the oil tank, which facilitates contact with the recessed part of the oil tank for fixation. The pressure sensor 18 measures the clamping force of the oil tank to avoid damage from excessive clamping of the oil tank, and works with the rubber pad 14 to protect the fixed oil tank.

[0027] Please see Figure 4 , Figure 5 and Figure 6The side wall of the clamping plate 7 is provided with a second roller groove 15. There are two second roller grooves 15, and the two second roller grooves 15 are located on both sides of the clamping plate 7. The inner wall of the telescopic cavity 11 is provided with a second ball bearing 17. One end of the second ball bearing 17 extends into the interior of the second roller groove 15, and the second ball bearing 17 is rotatably connected to the sliding seat 5 and the clamping plate 7. The side wall of the sliding seat 5 is provided with a third roller groove 16. The inner wall of the first mounting groove 4 is provided with a third ball bearing 19. One end of the third ball bearing 19 extends into the interior of the third roller groove 16, and the third ball bearing 19 is rotatably connected to the fixed platform 3 and the sliding seat 5. The second ball bearing 17 rolls along the second roller groove 15 as the clamping plate 7 rises and falls, which can guide the rising and falling clamping plate 7 and reduce the resistance of the rising and falling clamping plate 7. The third ball bearing 19 rolls along the third roller groove 16 as the sliding seat 5 moves, which can guide the moving sliding seat 5 and reduce the moving resistance of the sliding seat 5, thereby improving the operational stability of the fixed structure.

[0028] Please see Figure 2 and Figure 3 A motor 9 is installed below the center of the processing table 1, and the motor 9 is connected to the processing table 1 by screws. The output end of the motor 9 is connected to the lower end of the fixed table 3. The upper end of the processing table 1 is provided with a first roller groove 10, which is circular. The lower end of the fixed table 3 is provided with four first balls 8, which are equidistantly arranged in a circle at the lower end of the fixed table 3. One end of the first ball 8 extends into the interior of the first roller groove 10, and the first ball 8 is in rolling connection with the processing table 1 and the fixed table 3. The motor 9 drives the fixed table 3 to rotate. As the fixed table 3 rotates, it drives the fixed oil tank to rotate horizontally, changing the angle of the fixed oil tank. The first balls 8 provide support for the fixed table 3. As the fixed table 3 rotates, the first balls 8 roll along the first roller groove 10, which not only guides the rotating fixed table 3, but also reduces the rotational resistance of the fixed table 3 and improves the stability of the fixed oil tank rotation.

[0029] Working principle: The fuel tank is placed flat on the fixed platform 3. According to the fuel tank clamping point, the second electric push rod 12 is driven to drive the clamping plate 7 to rise and fall, so that the clamping plate 7 extends to a suitable length. The protrusion 13 is placed on one side of the fuel tank clamping point. Then, the first electric push rod 6 is driven to drive the sliding seat 5 to slide in the first mounting groove 4, so that the clamping structure moves towards the fuel tank to make contact. The clamping structure clamps and fixes the fuel tank from the front, back, left and right. The motor 9 drives the fixed platform 3 to rotate. As the fixed platform 3 rotates, the fixed fuel tank rotates horizontally, changing the fixed angle of the fuel tank.

[0030] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixing structure for processing unmanned aerial vehicle fuel tank, comprising a processing table (1), characterized in that: The lower part of the processing table (1) is provided with a support frame (2), and the support frame (2) is connected with the processing table (1) through screws, the upper part of the processing table (1) is provided with a fixed table (3), the upper end of the fixed table (3) is provided with four first installation grooves (4), the four first installation grooves (4) are equidistantly arranged on the upper end of the fixed table (3), the interiors of the four first installation grooves (4) are all provided with sliding seats (5), and the sliding seats (5) are slidably connected with the fixed table (3), the interiors of the four first installation grooves (4) are all provided with first electric push rods (6), and the first electric push rods (6) are connected with the fixed table (3) through screws, the first electric push rods (6) are arranged on one side of the sliding seats (5), and the telescopic ends of the first electric push rods (6) are connected with the sliding seats (5), the sliding seats (5) are provided with telescopic cavities (11), the interiors of the telescopic cavities (11) are provided with clamping plates (7), and the clamping plates (7) are slidably connected with the sliding seats (5), the interiors of the telescopic cavities (11) are provided with second electric push rods (12), and the second electric push rods (12) are connected with the sliding seats (5) through screws, the second electric push rods (12) are arranged below the clamping plates (7), and the telescopic ends of the second electric push rods (12) are connected with the clamping plates (7).

2. The fixture for machining the unmanned aerial vehicle fuel tank according to claim 1, wherein: The side of the upper part of the clamping plate (7) is provided with a protruding block (13), and the protruding block (13) is fixedly connected with the clamping plate (7), one side of the protruding block (13) is provided with a rubber pad (14), and the rubber pad (14) is connected with the protruding block (13).

3. The fixture for machining the unmanned aerial vehicle fuel tank according to claim 2, wherein: The contact part of the rubber pad (14) and the protruding block (13) is provided with a pressure sensor (18), and the pressure sensor (18) is fixedly connected with the protruding block (13).

4. The fixture of claim 1, wherein: The side wall of the clamping plate (7) is provided with a second rolling groove (15), the second rolling groove (15) is provided with two, and the two second rolling grooves (15) are arranged on the two sides of the clamping plate (7), the inner wall of the telescopic cavity (11) is provided with a second rolling ball (17), one end of the second rolling ball (17) extends into the interior of the second rolling groove (15), and the second rolling ball (17) is rollingly connected with the sliding seat (5) and the clamping plate (7).

5. The fixture of claim 1, wherein: The side wall of the sliding seat (5) is provided with a third rolling groove (16), the inner wall of the first installation groove (4) is provided with a third rolling ball (19), one end of the third rolling ball (19) extends into the interior of the third rolling groove (16), and the third rolling ball (19) is rollingly connected with the fixed table (3) and the sliding seat (5).

6. The fixture of claim 1, wherein: The lower part of the center of the processing table (1) is provided with a motor (9), and the motor (9) is connected with the processing table (1) through screws, and the output end of the motor (9) is connected with the lower end of the fixed table (3).

7. The fixture of claim 1, wherein: The upper end of the processing table (1) is provided with a first rolling groove (10), and the first rolling groove (10) is circularly arranged, the lower end of the fixed table (3) is provided with a first rolling ball (8), the first rolling ball (8) is provided with four, and the four first rolling balls (8) are circularly and equidistantly arranged at the lower end of the fixed table (3), one end of the first rolling ball (8) extends to the inside of the first rolling groove (10), and the first rolling ball (8) is rollingly connected with the processing table (1) and the fixed table (3).

Citation Information

Patent Citations

  • Fixing device for machining unmanned aerial vehicle oil tank

    CN210479053U