Airplane wheel rotating device of wind resistance type undercarriage

By using a wind-driven landing gear wheel rotation device to rotate the wheels using wind power, the wear problem caused by inconsistent speeds is solved, tire life is improved and operating costs are reduced.

CN224104292UActive Publication Date: 2026-04-10SHENYANG AEROSPACE UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The landing gear wheels and tires wear out faster during landing because their outer diameter linear velocity is different from the aircraft's takeoff speed, resulting in a shorter tire lifespan and increased operating costs for airlines.

Method used

Design a wind-driven landing gear wheel rotation device that uses wind power to drive the wheel rotation through a blade assembly, making it consistent with the aircraft's takeoff speed, thereby reducing impact and wear during landing.

Benefits of technology

It effectively reduces tire wear, extends tire life, and lowers airline operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wind resistance type undercarriage airplane wheel rotating device, and relates to the technical field of airplane wheel pre-rotation, the wind resistance type undercarriage airplane wheel rotating device comprises a cross beam and a vertical rod, airplane wheels are arranged at the two ends of the cross beam, a blade assembly is arranged between the airplane wheels and the cross beam, the blade assembly is used for driving the airplane wheels to rotate, and a concave frame is fixedly installed on the vertical rod. When the airplane is close to the ground, the electric push rod is started, the telescopic end of the electric push rod pushes the bearing plate, then the bearing plate pushes the blades to move out of the opening, at the moment, air enters the air inlet pipe, the air enters the cover body in the tangential direction, then the blades drive the airplane wheels to rotate, and the air is discharged from the air outlet pipe; therefore, the airplane wheel is pre-rotated to reach the rotating speed consistent with the taxiing speed of the airplane, so that impact and abrasion during landing are reduced, tire abrasion is effectively reduced, the service life of tires is prolonged, and the operation cost of an airline company is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the aircraft wheel pre-rotation technical field, concretely is a wind resistance formula undercarriage wheel rotation device. BACKGROUND

[0002] The aircraft undercarriage wheel tire is often worn fast because the linear velocity of the outer diameter is inconsistent with the aircraft taxiing speed when landing, leads to the tire service life to be shorter, has increased the operation cost of the airline. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiency of prior art, the utility model provides a wind resistance formula undercarriage wheel rotation device, solves the technical problem that the aircraft undercarriage wheel tire is often worn fast because the linear velocity of the outer diameter is inconsistent with the aircraft taxiing speed when landing, leads to the tire service life to be shorter, has increased the operation cost of the airline.

[0004] To realize above -mentioned purpose, the utility model passes through following technical scheme to realize: a wind resistance formula undercarriage wheel rotation device, including crossbeam and stand, the crossbeam both ends are equipped with the wheel, the wheel is equipped with the blade assembly between crossbeam, the blade assembly is used to drive the wheel rotation, the stand is fixedly installed with the concave frame, the concave frame both ends are fixedly installed with the cover respectively, the cover covers the surface of the wheel, the cover is fixedly installed with the air intake pipe and the air outlet pipe.

[0005] Preferably, the blade drive assembly includes a first inner cavity and a second inner cavity, the first inner cavity is opened at both ends of the crossbeam, the first inner cavity is fixedly installed with an electric push rod, the second inner cavity is opened on the wheel, the electric push rod telescopic end penetrates the first inner cavity and is located in the second inner cavity, the electric push rod telescopic end is rotatably installed with a bearing plate, the bearing plate is fixedly installed with a plurality of blades, the second inner cavity side wall surface is provided with a plurality of openings, the blades correspond to the openings.

[0006] Preferably, the cover is a circular structure, the air intake pipe is tangent to the upper end of the cover, and the air outlet pipe is tangent to the lower end of the cover.

[0007] Preferably, the air intake pipe and the air outlet pipe are parallel to each other, and the input end of the air intake pipe is opposite to the output end of the air outlet pipe. ADVANTAGEOUS EFFECTS

[0008] The utility model provides a kind of wind resistance type landing gear wheel rotating device, solve the current aircraft landing gear wheel tire often because of landing time outer diameter linear velocity and aircraft taxiing speed are inconsistent and wear faster, lead to tire service life is shorter, increase the operating cost of airline technical problem of the utility model, when the aircraft approaches ground, electric push rod is started at this time, electric push rod telescopic end pushes bearing plate, and then make bearing plate push blade move out from opening, at this time, air intake pipe air intake, and make wind enter cover body in tangent direction, and then make blade drive wheel rotate, wind is discharged from air outlet pipe, and then make wheel get pre-rotation, make wheel reach the rotational speed consistent with aircraft taxiing speed, to reduce the impact and wear during landing, effectively reduce tire wear, improve tire service life, reduce the operating cost of airline. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the main view structural schematic diagram of the utility model wind resistance type landing gear wheel rotating device.

[0010] Fig. 2 It is the side view structural schematic diagram of the utility model wind resistance type landing gear wheel rotating device.

[0011] In the drawing: 1, crossbeam; 2, stand; 3, wheel; 4, concave frame; 5, cover body; 6, air intake pipe; 7, air outlet pipe; 8, first inner cavity; 9, second inner cavity; 10, electric push rod; 11, bearing plate; 12, blade; 13, opening. DETAILED DESCRIPTION

[0012] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0013] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: a kind of wind resistance type landing gear wheel 3 rotating device, including crossbeam 1 and stand 2, the crossbeam 1 both ends are equipped with wheel 3, the wheel 3 is equipped with blade 12 component between crossbeam 1, the blade 12 component is used to drive wheel 3 rotation, the stand 2 is fixedly installed with concave frame 4, the concave frame 4 both ends are fixedly installed with cover body 5 respectively, the cover body 5 covers on the surface of wheel 3, the cover body 5 is fixedly installed with air intake pipe 6 and air outlet pipe 7.

[0014] The embodiment is further provided with the blade 12 driving assembly, which comprises a first inner cavity 8 and a second inner cavity 9. The first inner cavity 8 is arranged at both ends of the crossbeam 1, and the electric push rod 10 is fixedly arranged in the first inner cavity 8. The second inner cavity 9 is arranged on the wheel 3, and the telescopic end of the electric push rod 10 penetrates through the first inner cavity 8 and is located in the second inner cavity 9. The bearing plate 11 is rotatably arranged on the telescopic end of the electric push rod 10, and the blades 12 are fixedly arranged on the bearing plate 11. The second inner cavity 9 is provided with a plurality of openings 13 on the side wall surface, and the blades 12 correspond to the openings 13.

[0015] The embodiment is further provided with the cover 5 in a circular structure, the air inlet pipe 6 is tangent to the upper end of the cover 5, and the air outlet pipe 7 is tangent to the lower end of the cover 5.

[0016] The embodiment is further provided with the air inlet pipe 6 and the air outlet pipe 7 being parallel to each other, and the input end of the air inlet pipe 6 is opposite to the output end of the air outlet pipe 7.

[0017] The detailed connection means is a technology known in the art, and the working principle and process are mainly introduced below. The specific work is as follows.

[0018] Embodiment: According to the drawings, when the aircraft lands, the landing gear is opened, so that the wheel 3 is exposed to the rear of the aircraft. At this time, the electric push rod 10 is started, the telescopic end of the electric push rod 10 pushes the bearing plate 11, and then the bearing plate 11 pushes the blades 12 to move out of the opening 13. At this time, the air inlet pipe 6 inhales air, and the wind enters the cover 5 in a tangent direction, so that the blades 12 drive the wheel 3 to rotate, and the air is discharged from the air outlet pipe 7, so that the wheel 3 is pre-rotated.

[0019] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. A wind resistant landing gear wheel rotating device comprising a cross beam (1) and a vertical rod (2), characterized in that, The beam (1) both ends are provided with machine wheels (3), the machine wheel (3) and beam (1) between are provided with vane (12) subassembly, the vane (12) subassembly is used for driving machine wheel (3) rotation, the vertical rod (2) is fixedly installed with concave frame (4), the concave frame (4) both ends are fixedly installed with cover body (5) respectively, the cover body (5) covers on the surface of machine wheel (3), the cover body (5) is fixedly installed with air inlet pipe (6) and air outlet pipe (7).

2. A wind resistant landing gear wheel rotating device according to claim 1, characterized in that The vane (12) drive subassembly includes first inner cavity (8) and second inner cavity (9), the first inner cavity (8) is opened in the both ends of beam (1), the first inner cavity (8) is fixedly installed with electric push rod (10), the second inner cavity (9) is opened in machine wheel (3), the electric push rod (10) telescopic end is penetrated in the first inner cavity (8) and is located in the second inner cavity (9), the electric push rod (10) telescopic end is rotatably installed with bearing plate (11), the bearing plate (11) is fixedly installed with a plurality of vanes (12), the second inner cavity (9) side wall is opened with a plurality of openings (13), the vane (12) corresponds with opening (13).

3. A wind resistant landing gear wheel rotating device according to claim 1, characterized in that The cover body (5) is circular structure, the air inlet pipe (6) and cover body (5) upper end are tangent, the air outlet pipe (7) and cover body (5) lower end are tangent.

4. A wind resistant landing gear wheel rotating device according to claim 3, characterised in that The air inlet pipe (6) and air outlet pipe (7) are parallel, the input end of air inlet pipe (6) and the output end of air outlet pipe (7) are opposite.