Aviation undercarriage roller convenient for regular maintenance

By designing the aviation landing gear roller structure with components such as spiral grooves, connecting blocks, and rotating blocks, the problems of heavy weight and low detection efficiency are solved, and the effects of convenient disassembly, movement, and comprehensive detection are achieved.

CN223384679UActive Publication Date: 2025-09-26LUOYANG HANGHUI MASCH CO LTD
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Patent Information

Application Number
CN202422719947.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-26
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing aviation landing gear rollers are heavy during regular maintenance, making them inconvenient to disassemble and move, and manual inspection is inefficient.

Method used

An aviation landing gear roller structure is designed, which includes components such as a spiral groove, a connecting block, a rotating block, a limit block, and a support frame. The spiral locking and rotating structure facilitates the disassembly and movement of the roller, and the support frame and pulley structure increase the stability and convenience of disassembly and inspection.

Benefits of technology

The roller can be easily disassembled and moved, which improves the maintenance efficiency and ensures the comprehensiveness and stability of the detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an aviation undercarriage roller convenient for regular maintenance, which comprises an undercarriage, a roller is arranged below the undercarriage, a plurality of groups of bolts are respectively inserted into the roller and the undercarriage, spiral grooves are respectively arranged on the outer sides of the roller, and connecting blocks are inserted into the spiral grooves. According to the aviation undercarriage roller convenient to overhaul regularly, the connecting block and the roller form a spiral locking structure through the spiral groove, and the roller and the rotating block form a rotating structure through the connecting block, so that components such as a supporting frame can be conveniently mounted subsequently through the spirally mounted fixing block; meanwhile, it is guaranteed that the follow-up roller can rotate for comprehensive detection through a connecting block and a rotating block, a limiting block of the device and a first fixing plate form a sliding structure through a sliding groove, and the limiting block and the rotating block form a spiral locking structure through a screw rod and a nut, so that the roller can be supported through the limiting block and other assemblies in the overall disassembling process, and the overall disassembling efficiency is improved. And the stability of the whole roller in the dismounting process is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of aviation landing gears, in particular to an aviation landing gear roller which is convenient for regular maintenance. Background Art

[0002] Aircraft landing gear is the attachment on the underside of an aircraft that supports the aircraft during takeoff, landing, or taxiing, allowing it to maneuver on the ground (or water). As the only component that supports the entire aircraft, the landing gear is an integral part of the aircraft. To prevent wear and other problems that could affect the aircraft's operation, the landing gear rollers must be regularly inspected and maintained.

[0003] During regular inspections, the rollers need to be disassembled and cleaned to facilitate overall inspection and ensure their effectiveness. However, existing rollers are heavy, making them difficult to disassemble and move during regular inspections. Furthermore, manual inspections of their appearance often result in low inspection efficiency. Therefore, an aircraft landing gear roller that facilitates regular inspections is proposed to address these issues. Utility Model Content

[0004] The purpose of the present utility model is to provide an aviation landing gear roller that is easy to regularly inspect and maintain, so as to solve the problem that the existing rollers proposed in the above-mentioned background technology are heavy during the regular inspection process, making it inconvenient to disassemble and move them, and the problem that manual inspection of their appearance easily leads to low inspection efficiency.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an aviation landing gear roller that is convenient for regular maintenance, comprising a landing gear, wherein a roller is provided at the bottom of the landing gear, and a plurality of sets of bolts are respectively inserted into the roller and the landing gear, wherein the roller is respectively provided with a spiral groove on the outside, and a connecting block is inserted into the spiral groove, and the connecting block is provided with a rotating groove, and a rotating block is inserted into the rotating groove, and a support frame is placed below the roller, and a plurality of sets of brushes are respectively provided on the support frame;

[0006] The rotating block is inserted with a limit block inside, and the limit block and the rotating block are respectively inserted with screws, and the lower ends of the screws are spirally connected with nuts. The two ends of the support frame are respectively provided with multiple groups of first fixing plates on the upper end surface, and the first fixing plates are respectively provided with sliding grooves on the opposite surfaces. Slide blocks are respectively inserted with sliders inside the sliding grooves, and the sliders are respectively connected to the limit blocks. Connecting rods are respectively provided on the first fixing plates, and the other ends of the connecting rods are connected to the detector, and the detector is provided with a wire on the top;

[0007] The support frame is provided with multiple sets of pulleys on the lower end surface, and the support frame is provided with second fixing plates on the outer walls on both sides. The second fixing plates are respectively provided with through holes, and support rods are respectively engaged in the through holes.

[0008] Preferably, the connecting block forms a spiral locking structure with the roller through the spiral groove, and the roller forms a rotating structure with the connecting block and the rotating block.

[0009] Preferably, the limiting block forms a sliding structure with the first fixed plate through the sliding groove, and the limiting block forms a spiral locking structure with the screw rod, the nut and the rotating block.

[0010] Preferably, the support frame forms a sliding structure with the ground through a pulley, and the support rod forms a clamping and limiting structure with the second fixing plate through a through hole.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the connecting block of the aviation landing gear roller, which is convenient for regular maintenance, forms a spiral locking structure with the roller through the spiral groove, and the roller forms a rotating structure through the connecting block and the rotating block, so that the subsequent installation of components such as the support frame is facilitated by the spirally installed fixing block, and at the same time, the subsequent roller can be rotated for comprehensive inspection by the connecting block and the rotating block. The limit block of the device forms a sliding structure with the first fixed plate through the sliding groove, and the limit block forms a spiral locking structure with the screw, the nut and the rotating block, so that during the overall disassembly of the roller, it can be supported by components such as the limit block, thereby increasing the stability of the overall disassembly process of the roller. The support frame of the device forms a sliding structure with the pulley and the ground, and the support rod forms an engaging limiting structure with the second fixed plate through the through hole, so that the support frame can easily drive the roller to move as a whole, and the stability of its support process can be guaranteed by the support rod assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of an aviation landing gear roller that is convenient for regular maintenance according to the utility model;

[0013] Figure 2 This is a schematic structural diagram of an aviation landing gear roller detector that is convenient for regular maintenance according to the present invention;

[0014] Figure 3 This is a schematic diagram of the overhead structure of an aviation landing gear roller that is convenient for regular maintenance according to the present invention;

[0015] Figure 4 The utility model is a schematic diagram of a spiral groove structure of an aviation landing gear roller that is convenient for regular maintenance.

[0016] In the figure: 1. landing gear, 2. roller, 3. spiral groove, 4. connecting block, 5. rotating block, 6. limit block, 7. screw, 8. nut, 9. support frame, 10. first fixed plate, 11. slider, 12. brush, 13. detector, 14. pulley, 15. second fixed plate, 16. support rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-4 The utility model provides a technical solution: an aviation landing gear roller that is easy to maintain regularly, including a landing gear 1, a roller 2 is provided at the bottom of the landing gear 1, and a plurality of groups of bolts are respectively inserted into the roller 2 and the landing gear 1, and the roller 2 is respectively provided with a spiral groove 3 on the outside, and a connecting block 4 is inserted into the spiral groove 3, and a rotating groove is provided on the connecting block 4, and a rotating block 5 is inserted into the rotating groove, and a support frame 9 is placed below the roller 2, and a plurality of groups of brushes 12 are respectively provided on the support frame 9.

[0019] Furthermore, the connecting block 4 forms a spiral locking structure with the roller 2 through the spiral groove 3, and the roller 2 forms a rotating structure with the connecting block 4 and the rotating block 5, so that the subsequent connection of the support frame 9 and the roller 2 is facilitated by the connecting block 4, and at the same time, the rotating block 5 ensures that the roller 2 can be rotated for comprehensive testing.

[0020] The rotating block 5 is inserted with a limit block 6 inside, and the limit block 6 and the rotating block 5 are respectively inserted with a screw 7, and the lower end of the screw 7 is spirally spirally provided with a nut 8. The two ends of the support frame 9 are respectively provided with multiple groups of first fixed plates 10 on the upper end surface, and the first fixed plates 10 are respectively provided with sliding grooves on the opposite surfaces. The sliding grooves are respectively inserted with sliders 11 inside, and the sliders 11 are respectively connected to the limit block 6. The first fixed plates 10 are respectively provided with connecting rods, and the other end of the connecting rods is connected to the detector 13, and the detector 13 is provided with a wire on the top.

[0021] Furthermore, the limit block 6 forms a sliding structure with the first fixed plate 10 through the slide groove, and the limit block 6 forms a spiral locking structure with the rotating block 5 through the screw 7, the nut 8, so that the roller 2 can be spirally installed on the support frame 9 as a whole through the screw 7, the nut 8 and other components, thereby facilitating the support of the roller 2 as a whole during the disassembly process.

[0022] The support frame 9 is provided with a plurality of pulleys 14 on the lower end surface, and second fixing plates 15 are provided on both side outer walls of the support frame 9. The second fixing plates 15 are respectively provided with through holes, and support rods 16 are respectively engaged in the through holes.

[0023] Furthermore, the support frame 9 forms a sliding structure with the ground through the pulley 14, and the support rod 16 forms a locking limit structure with the second fixed plate 15 through the through hole, so that the slidable support frame 9 can easily drive the roller 2 to move, and at the same time, the support frame 16 can ensure its stability when the roller 2 is disassembled and inspected.

[0024] Working principle: When using an aviation landing gear roller that is easy to regularly inspect, first, during the overall disassembly of the roller 2, the turning block 5 can be screwed onto the outside of the roller 2 through the connecting block 4, and then the support frame 9 can be moved to the bottom of the roller 2, and the limit block 6 can be slid into the turning block 5 through the slider 11. After the sliding of the limit block 6 is completed, the screw 7 can be inserted into the turning block 5 and the limit block 6, and the limit block 6 can be screwed onto the nut 8, so that the roller 2 can be supported as a whole by the support frame 9, thereby facilitating the disassembly and inspection of the roller 2 as a whole; after the overall disassembly of the roller 2 is completed, it can be driven to move by the pulley 14, so that the smaller part of the roller 2 can be easily removed in an open position. The parts can be disassembled, and the roller 2 can be easily inspected and repaired. At the same time, the roller 2 can be driven to rotate under the action of the rotating block 5, so that the overall appearance of the roller 2 can be inspected by the detector 13. During the operation of the detector 13, the roller 2 can be cleaned by the brush 12 on its surface, thereby ensuring the detection effect of the detector 13 on the roller 2; during the disassembly and inspection of the roller 2, the support rod 16 can be used to increase its overall stability, and the support frame 9 can move the support rod 16 upward when it moves, thereby driving it to move as a whole through the pulley 14, thereby increasing the convenience of the roller 2 during inspection. This is the use process of the aviation landing gear roller that is convenient for regular inspection.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An aviation landing gear roller convenient for regular maintenance, comprising a landing gear (1), wherein the landing gear (1) is provided with a roller (2) at the bottom, and a plurality of groups of bolts are respectively inserted into the roller (2) and the landing gear (1), and characterized in that: The roller (2) is provided with a spiral groove (3) on the outside, and a connecting block (4) is inserted into the spiral groove (3). The connecting block (4) is provided with a rotating groove, and a rotating block (5) is inserted into the rotating groove. A support frame (9) is placed below the roller (2), and a plurality of brushes (12) are provided on the support frame (9). The rotating block (5) is inserted with a limit block (6) inside, and the limit block (6) and the rotating block (5) are respectively inserted with a screw (7), and the lower end of the screw (7) is spirally provided with a nut (8), and the two ends of the support frame (9) are respectively provided with a plurality of first fixed plates (10) on the upper end surface, and the first fixed plates (10) are respectively provided with a slide groove on the opposite surface, and the slide groove is respectively inserted with a slider (11), and the slider (11) is respectively connected to the limit block (6), and the first fixed plate (10) is respectively provided with a connecting rod, and the other end of the connecting rod is connected to the detector (13), and the detector (13) is provided with a wire on the upper side; The support frame (9) is provided with a plurality of pulleys (14) on the lower end surface, and the support frame (9) is provided with second fixing plates (15) on both side outer walls, and the second fixing plates (15) are respectively provided with through holes, and support rods (16) are respectively engaged in the through holes.

2. The aircraft landing gear roller that is convenient for periodic maintenance according to claim 1, characterized in that: The connecting block (4) forms a spiral locking structure with the roller (2) through the spiral groove (3), and the roller (2) forms a rotating structure with the rotating block (5) through the connecting block (4).

3. The aircraft landing gear roller that is convenient for periodic maintenance according to claim 1, characterized in that: The limiting block (6) forms a sliding structure with the first fixed plate (10) through the sliding groove, and the limiting block (6) forms a spiral locking structure with the screw (7), the nut (8) and the rotating block (5).

4. The aircraft landing gear roller that is convenient for periodic maintenance according to claim 1, characterized in that: The support frame (9) forms a sliding structure with the ground via the pulley (14), and the support rod (16) forms a clamping and limiting structure with the second fixing plate (15) via the through hole.