Fixture for fuel tank of aircraft propeller
By combining structures such as guide platforms and adjustment seats, and using motor drive to achieve quick disassembly and reinforcement, the problem of requiring professional tools to disassemble damaged rollers in existing fixtures is solved, thus improving maintenance efficiency and clamping stability.
Patent Information
- Application Number
- CN202423234969.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing aircraft propulsion fuel tank clamps require specialized tools to disassemble when the rollers are damaged, which wastes time and has poor stability of the adjustment seat, affecting maintenance efficiency and clamping stability.
The system employs a combination of components such as a guide platform, adjusting seat, limiting plate, fixing groove, fixing seat, steel ball roller, first bidirectional lead screw, and throttle. It achieves rapid disassembly and reinforcement through motor drive, and combines the second bidirectional lead screw and motor-driven rotating wheel to support and rotate the fuel tank.
It enables quick replacement of damaged rollers without the need for specialized tools, improving maintenance efficiency, and the reinforced structure enhances clamping stability and fuel tank flexibility.
Smart Images

Figure CN223749450U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of machining, more particularly, it relates to a kind of aircraft propeller fuel tank clamp. BACKGROUND
[0002] The aircraft propeller fuel tank is a crucial component of the aircraft power system, and its main function is to store the fuel required by the propeller. During the processing of the aircraft propeller fuel tank, in order to ensure the safety of the fuel tank and the fuel stored inside, the outer side of the fuel tank needs to be heat-insulated. During the heat-insulating processing of the fuel tank, a clamp is needed to position and fix the fuel tank. The fuel tank is usually cylindrical and has two or more process rings on the outside. The clamp usually limits the process ring with a limiting plate to limit and fix it axially. In order to ensure that the entire fuel tank can rotate during processing, a roller is set at the contact part of the process ring and the limiting plate. In the use of the existing aircraft propeller fuel tank clamp, the roller is usually installed on the limiting plate by bolts. When it needs to be replaced due to damage, the worker needs to use professional tools to loosen the bolts to disassemble it, which wastes the maintenance time and reduces the maintenance efficiency. Secondly, in the use of the existing aircraft propeller fuel tank clamp, after the fuel tank is clamped and fixed by adjusting the position of the adjusting seat, the stability of the adjusting seat is low due to the large size and weight of the fuel tank, which reduces the stability of the limiting and clamping of the fuel tank. SUMMARY
[0003] (I) Technical problem solved
[0004] To solve the technical problems mentioned in the background art, the utility model provides an aircraft propeller fuel tank clamp to solve the technical problem that the existing aircraft propeller fuel tank clamp needs to be disassembled by loosening multiple bolts with professional tools when the roller is damaged during use, which wastes maintenance time.
[0005] (II) Technical solution
[0006] To achieve the above object, the utility model provides the following technical scheme: an aircraft propeller fuel tank clamp, including the guide station, the guide station is equipped with the adjusting seat through the track structure sliding, the adjusting seat is equipped with the limit stop fixedly, one side of the limit stop is equipped with the fixed groove, the number of adjusting seat and fixed groove is two respectively, the fixed seat is movably equipped in the fixed groove, one side of the fixed seat is equipped with the steel ball gyro wheel fixedly, the fixed chamber is equipped in the limit stop, the first two -way screw rod is rotatably equipped in the fixed chamber, one end of the first two -way screw rod is equipped with the handle fixedly through the fixed chamber, the fixed block is equipped on the first two -way screw rod with the thread, the number of fixed block is two, one end of each fixed block is inserted into the fixed seat through the fixed chamber, the fixed arm is movably equipped with both sides of the adjusting seat, the fixed arm is L type setting, the first rack is fixedly equipped with both sides of the guide station, a plurality of fixed teeth that are matched with the first rack are provided on the fixed arm.
[0007] The utility model further sets up, be equipped with the drive groove on the guide station, be equipped with the second rack in the drive groove, the first motor is fixedly equipped with one side of the adjusting seat, the gear that is matched with the second rack is fixedly arranged to the drive end of the first motor, convenient for adjusting seat removal.
[0008] The utility model further sets up, be equipped with the moving chamber in the adjusting seat, the number of moving chamber is two, convenient for fixed arm movement.
[0009] The utility model further sets up, rotatably equipped with the screw rod in each moving chamber, convenient for screw rod rotation.
[0010] The utility model further sets up, be equipped with the installation groove under the adjusting seat, be equipped with the first double -shaft motor fixedly in the installation groove, the first double -shaft motor two drive ends are respectively inserted into two moving chambers with the fixed connection of screw rod, convenient for driving screw rod rotation.
[0011] The utility model further sets up, be equipped with the adjusting groove on the adjusting seat, rotatably equipped with the second two -way screw rod in the adjusting groove, one end of the second two -way screw rod is equipped with the second motor fixedly through the adjusting seat, the second motor is fixedly arranged in one side of the adjusting seat, convenient for second two -way screw rod rotation.
[0012] The utility model further sets up, be equipped with the moving seat with the thread on the second two -way screw rod, the number of moving seat is two, the support seat is fixedly equipped with on each moving seat upper end through the adjusting groove, be equipped with the rotary groove and the placement groove on the support seat, the number of rotary groove is two, the number of placement groove is one, convenient for support seat movement.
[0013] The utility model further provides for, every rotating groove is rotatably equipped with a runner, the second double shaft motor is equipped with in the placing groove, two drive ends of the second double shaft motor respectively extend into two rotating grooves and are fixedly connected with the runner, and two runners are convenient for rotating simultaneously.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides a kind of aircraft propeller fuel tank clamp, with following beneficial effects:
[0016] 1, by guide station, adjusting seat, limit board, fixed groove, fixed seat, steel ball roller, fixed chamber, first double lead screw, handlebar, fixed block, drive groove, second rack, first motor and gear cooperate, can be quickly disassembled and replaced when steel column roller appears damage, the whole replacement process can be completed without staff using professional tool to screw multiple bolts, save the time of maintenance, improve the work efficiency of maintenance.
[0017] 2, by fixed arm, first rack, fixed tooth, moving chamber, screw, mounting groove and first double shaft motor cooperate, can be fixed to guide station after adjusting seat adjusts position, to reinforce the connection between adjusting seat and guide station, avoid the phenomenon of moving in the machining process, increase the stability of the limiting clamping of fuel tank.
[0018] 3, by adjusting groove, second double lead screw, second motor, moving seat, support seat, rotating groove, placing groove, runner and second double shaft motor cooperate, can support aircraft propeller fuel tank, can also cooperate with machining process to make the whole fuel tank rotate, high flexibility and practicality, very convenient to use. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a kind of aircraft propeller fuel tank clamp overall structure schematic diagram under use state;
[0020] Figure 2 It is Figure 1 It is the local enlarged schematic diagram of A;
[0021] Figure 3 It is limit board and its connecting component partial section structure schematic diagram under steel ball roller installation state;
[0022] Figure 4 It is adjusting seat and its connecting component partial section structure schematic diagram under adjusting seat fixed state;
[0023] Figure 5 It is adjusting seat and its connecting component partial section structure schematic diagram under support seat moving state.
[0024] In the figure: 1, guide table; 2, adjusting seat; 3, limiting plate; 4, fixed groove; 5, fixed seat; 6, steel ball roller; 7, fixed chamber; 8, first bidirectional screw; 9, rotating handle; 10, fixed block; 11, fixed arm; 12, first rack; 13, fixed tooth; 14, driving groove; 15, second rack; 16, first motor; 17, gear; 18, moving chamber; 19, screw; 20, mounting groove; 21, first double-shaft motor; 22, adjusting groove; 23, second bidirectional screw; 24, second motor; 25, moving seat; 26, supporting seat; 27, rotating groove; 28, placing groove; 29, rotating wheel; 30, second double-shaft motor. DETAILED DESCRIPTION
[0025] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0027] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0028] Please refer to Figures 1-5 A kind of aircraft propeller fuel tank clamp, including guide table 1, adjusting seat 2 is slidably arranged on guide table 1 by track structure, limiting plate 3 is fixedly arranged on adjusting seat 2, fixed groove 4 is arranged on one side of limiting plate 3, the number of adjusting seat 2 and fixed groove 4 is two respectively, fixed seat 5 is movably arranged in fixed groove 4, steel ball roller 6 is fixedly arranged on one side of fixed seat 5, fixed chamber 7 is arranged in limiting plate 3, first bidirectional screw 8 is rotatably arranged in fixed chamber 7, rotating handle 9 is fixedly arranged on one end of first bidirectional screw 8 and penetrates fixed chamber 7, fixed block 10 is threadedly connected on first bidirectional screw 8, the number of fixed block 10 is two, one end of each fixed block 10 is inserted into fixed seat 5 and penetrates fixed chamber 7, driving groove 14 is arranged on guide table 1, second rack 15 is arranged in driving groove 14, first motor 16 is fixedly arranged on one side of adjusting seat 2, and gear 17 that cooperates with second rack 15 is fixedly arranged on the driving end of first motor 16.
[0029] In this embodiment, when the fuel tank needs to be clamped and limited, the fuel tank is hoisted onto the guide table 1, the first motor 16 is started, the first motor 16 drives the gear 17 to rotate, since the gear 17 is meshed and connected with the second rack 15, the gear 17 moves along the second rack 15 while rotating, the gear 17 drives the first motor 16 and the adjusting seat 2 to move, so that the adjusting seat 2 moves along the sliding connection with the guide table 1, the adjusting seat 2 drives the limiting plate 3 to move, the limiting plate 3 drives the installed steel ball roller 6 to move, so that the steel ball roller 6 is in contact with the process ring on the fuel tank, thereby clamping and limiting the fuel tank by two limiting plates 3, and axially limiting and fixing it. After long-term use, when the steel ball roller 6 is damaged, the handle 9 is rotated, the handle 9 drives the first bidirectional screw 8 to rotate, since the first bidirectional screw 8 is provided with two threads with opposite directions, the two fixed blocks 10 move in the direction of separation, when the fixed block 10 is separated from the fixed seat 5, the fixed seat 5 is pulled out of the fixed groove 4, so that the steel ball roller 6 is disassembled, and the replaced steel ball roller 6 can be installed by using the opposite operation.
[0030] Please refer to Figures 1-5 , as an embodiment of the adjusting seat 2 fixed: the adjusting seat 2 is movably provided with a fixed arm 11 on both sides, the fixed arm 11 is provided in an L shape, the guide table 1 is fixedly provided with a first rack 12 on both sides, the fixed arm 11 is provided with a plurality of fixed teeth 13 matched with the first rack 12, the adjusting seat 2 is provided with a moving chamber 18, the number of the moving chamber 18 is two, a screw rod 19 is rotatably arranged in each moving chamber 18, the adjusting seat 2 is provided with an installation groove 20 at the lower end, the installation groove 20 is fixedly provided with a first double-shaft motor 21, the two driving ends of the first double-shaft motor 21 respectively extend into the two moving chambers 18 and are fixedly connected with the screw rods 19.
[0031] Specifically, when the position adjustment of the adjusting seat 2 is completed, the first double-shaft motor 21 is started, the first double-shaft motor 21 drives the two screw rods 19 to rotate, since the screw rods 19 are threadedly connected with the fixed arm 11, the fixed arm 11 moves, the fixed arm 11 drives the plurality of fixed teeth 13 to move, so that the fixed teeth 13 are clamped on the first rack 12, thereby fixing the adjusting seat 2 to the guide table 1 and reinforcing the connection between the adjusting seat 2 and the guide table 1.
[0032] Please refer to Figures 1-5As an embodiment of supporting the fuel tank: the adjusting seat 2 is provided with an adjusting groove 22, a second bidirectional screw 23 is rotatably arranged in the adjusting groove 22, one end of the second bidirectional screw 23 is fixedly connected with a second motor 24 penetrating through the adjusting seat 2, the second motor 24 is fixedly arranged on one side of the adjusting seat 2, a moving seat 25 is threadedly connected on the second bidirectional screw 23, the number of the moving seat 25 is two, the upper end of each moving seat 25 is fixedly provided with a supporting seat 26 penetrating through the adjusting groove 22, the supporting seat 26 is provided with a rotating groove 27 and a placing groove 28, the number of the rotating groove 27 is two, the number of the placing groove 28 is one, a rotating wheel 29 is rotatably arranged in each rotating groove 27, and a second double-shaft motor 30 is arranged in the placing groove 28, two driving ends of the second double-shaft motor 30 respectively extend into the two rotating grooves 27 and are fixedly connected with the rotating wheels 29.
[0033] Specifically, the second motor 24 is started, the second motor 24 drives the second bidirectional screw 23 to rotate, because the second bidirectional screw 23 is provided with two threads with opposite directions, the two moving seats 25 move in the adjacent directions, the moving seat 25 drives the rotating wheel 29 to move, so that the rotating wheel 29 is in contact with the fuel tank, thereby supporting the fuel tank, when the fuel tank needs to be rotated during the machining process, the second double-shaft motor 30 is started, the second double-shaft motor 30 drives the two rotating wheels 29 to rotate, thereby driving the fuel tank to rotate.
[0034] In summary, when the overall device is in use:
[0035] When the fuel tank needs to be clamped and limited in the state of supporting the aircraft propeller fuel tank, the fuel tank is hoisted onto the guide table 1, the first motor 16 is started, the first motor 16 drives the gear 17 to rotate, because the gear 17 is in meshing connection with the second rack 15, the gear 17 rotates while moving along the second rack 15, the gear 17 drives the first motor 16 and the adjusting seat 2 to move, so that the adjusting seat 2 moves along the sliding connection with the guide table 1, the adjusting seat 2 drives the limiting plate 3 to move, the limiting plate 3 drives the installed steel ball roller 6 to move, so that the steel ball roller 6 is in contact with the process ring on the fuel tank, thereby clamping and limiting the fuel tank through the two limiting plates 3, and axially limiting and fixing the fuel tank. After a long time of use, when the steel ball roller 6 is damaged, the handlebar 9 is rotated, the handlebar 9 drives the first bidirectional screw 8 to rotate, because the first bidirectional screw 8 is provided with two thread regions with opposite directions, the two fixed blocks 10 move in the direction of separation, when the fixed block 10 is separated from the fixed seat 5, the fixed seat 5 is pulled, so that the fixed seat 5 moves out of the fixed groove 4, thereby disassembling the steel ball roller 6, and the replaced steel ball roller 6 can be installed by using the opposite operation.
[0036] When in the state that the position of the adjusting seat 2 needs to be reinforced, after the position adjustment of the adjusting seat 2 is completed, the first double-shaft motor 21 is started, the first double-shaft motor 21 drives the two screw rods 19 to rotate, due to the threaded connection between the screw rod 19 and the fixed arm 11, the fixed arm 11 is moved, the fixed arm 11 drives the plurality of fixed teeth 13 to move, the fixed teeth 13 are clamped on the first rack 12, thereby fixing the adjusting seat 2 to the guide table 1, reinforcing the connection between the adjusting seat 2 and the guide table 1.
[0037] When in the state that the aircraft propeller fuel tank needs to be supported, the second motor 24 is started, the second motor 24 drives the second bidirectional screw rod 23 to rotate, due to the two opposite threaded areas on the second bidirectional screw rod 23, the two moving seats 25 move in the adjacent direction, the moving seat 25 drives the rotating wheel 29 to move, the rotating wheel 29 is in contact with the fuel tank, thereby supporting it, when the fuel tank needs to be rotated during the machining process, the second double-shaft motor 30 is started, the second double-shaft motor 30 drives the two rotating wheels 29 to rotate, thereby driving the fuel tank to rotate.
[0038] The guide table 1 is provided with a controller, the electrical equipment of the whole device is controlled by the controller, since the controller matched equipment is a commonly used equipment, the control principle and the circuit connection all belong to the prior art and mature technology, the electrical connection relationship and the specific circuit structure are not repeated here.
[0039] In all the schemes mentioned above, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which is not repeated here, whenever the fixed connection is mentioned in the above, the welding is preferred, although the embodiments of the utility model have been shown and described, for those skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An aircraft propeller fuel tank clamp comprising a guide table (1), characterized in that: The guide table (1) is provided with an adjusting seat (2) sliding through a track structure, the adjusting seat (2) is fixedly provided with a limiting plate (3), one side of the limiting plate (3) is provided with a fixed groove (4), the number of the adjusting seat (2) and the fixed groove (4) is two respectively, the fixed groove (4) is movably provided with a fixed seat (5), one side of the fixed seat (5) is fixedly provided with a steel ball roller (6), the limiting plate (3) is provided with a fixed chamber (7), the first bidirectional screw (8) is rotatably arranged in the fixed chamber (7), one end of the first bidirectional screw (8) is fixedly provided with a rotating handle (9) penetrating through the fixed chamber (7), the first bidirectional screw (8) is threadedly connected with a fixed block (10), the number of the fixed block (10) is two, one end of each fixed block (10) is inserted into the fixed seat (5) penetrating through the fixed chamber (7), the adjusting seat (2) is movably provided with a fixed arm (11) on both sides, the fixed arm (11) is provided in an L shape, the guide table (1) is fixedly provided with a first rack (12) on both sides, the fixed arm (11) is provided with a plurality of fixed teeth (13) matched with the first rack (12).
2. An aircraft propeller fuel tank clamp as defined in Claim 1 wherein: The guide table (1) is provided with a driving groove (14), the driving groove (14) is provided with a second rack (15), one side of the adjusting seat (2) is fixedly provided with a first motor (16), the driving end of the first motor (16) is fixedly provided with a gear (17) matched with the second rack (15).
3. An aircraft propeller fuel tank clamp as defined in Claim 1 wherein: The adjusting seat (2) is provided with a moving chamber (18), the number of the moving chamber (18) is two.
4. An aircraft propeller fuel tank clamp according to claim 3, wherein: Each moving chamber (18) is rotatably provided with a screw rod (19).
5. An aircraft propeller fuel tank clamp according to claim 4, wherein: The lower end of the adjusting seat (2) is provided with a mounting groove (20), the first double-shaft motor (21) is fixedly arranged in the mounting groove (20), the two driving ends of the first double-shaft motor (21) respectively extend into the two moving chambers (18) and are fixedly connected with the screw rods (19).
6. An aircraft propeller fuel tank clamp according to either of claims 1 or 2, wherein: The adjusting seat (2) is provided with an adjusting groove (22), the second bidirectional screw (23) is rotatably arranged in the adjusting groove (22), one end of the second bidirectional screw (23) is fixedly connected with a second motor (24) penetrating through the adjusting seat (2), the second motor (24) is fixedly arranged on one side of the adjusting seat (2).
7. An aircraft propeller fuel tank clamp according to claim 6, wherein: The second bidirectional screw (23) is threadedly connected with a moving seat (25), the number of the moving seat (25) is two, the upper end of each moving seat (25) is fixedly provided with a supporting seat (26) penetrating through the adjusting groove (22), the supporting seat (26) is provided with a rotating groove (27) and a placing groove (28), the number of the rotating groove (27) is two, the number of the placing groove (28) is one.
8. An aircraft propeller fuel tank clamp according to claim 7, characterised in that: Each rotating groove (27) is rotatably provided with a rotating wheel (29), the placing groove (28) is provided with a second double-shaft motor (30), the two driving ends of the second double-shaft motor (30) respectively extend into the two rotating grooves (27) and are fixedly connected with the rotating wheels (29).