Storage and transport vehicle for outer cylinder of main landing gear of airbus aircraft A330

By designing a storage and transport vehicle for the outer cylinder of the main landing gear of the Airbus A330 aircraft, and adopting a frame, fixed axle and nylon bushing structure, the space occupation and safety issues during the storage and transportation of the outer cylinder were solved, achieving the effect of stable support and convenient movement.

CN223821731UActive Publication Date: 2026-01-23GUANGZHOU AIRCRAFT MAINTENANCE ENG
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Patent Information

Application Number
CN202520455779.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-23
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In the existing technology, the storage methods for aircraft landing gear outer cylinders have problems such as large space occupation, low safety, inconvenient operation and difficult transportation, especially the difficulty in temporary storage and transfer of the outer cylinders during landing gear overhaul.

Method used

A storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft was designed. It adopts a frame, fixed axle and nylon bushing structure. The outer cylinder is stably supported and restrained by V-shaped brackets and axle support frame. Combined with silent wheels, it is easy to move and ensures the safety and convenience of the transportation process.

Benefits of technology

This design enables stable storage and convenient transportation of the outer cylinder, improving safety and ease of operation while reducing the risk of damage to the outer cylinder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an airbus aircraft A330 main landing gear outer cylinder storage transport vehicle which comprises a vehicle frame, a fixing shaft and two nylon bushings, a wheel set is arranged at the bottom of the vehicle frame, a front V-shaped support and a rear V-shaped support which are used for supporting the two ends of a main landing gear outer cylinder are arranged at the front end and the rear end of the upper face of the vehicle frame respectively, and openings of the V-shaped supports and the rear V-shaped support face upwards. Shaft supporting frames are arranged on the two sides of the rear end of the frame respectively, the two ends of the fixing shaft can be clamped at the upper ends of the shaft supporting frames respectively, the fixing shaft is used for horizontally penetrating through a shaft hole in one end of an outer cylinder of the main landing gear, and the two nylon linings are arranged on the fixing shaft in a sleeving mode respectively and embedded into the two ends of the shaft hole in the outer cylinder of the main landing gear respectively. The main undercarriage outer cylinder storage device can store the main undercarriage outer cylinder more safely and conveniently, and is convenient to transport.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an aircraft landing gear outer tube storage transport vehicle, in particular to an airbus A330 main landing gear outer tube storage transport vehicle. BACKGROUND

[0002] The outer tube is a very important component of a civil aviation passenger plane landing gear, and it is an important component connecting the landing gear. During the landing gear overhaul process, the outer tube usually needs to be temporarily stored or transferred between multiple work sections.

[0003] The existing outer tube storage method is to hoist the outer tube onto a large flat car and place it flat on the large flat car. The above storage method has the problems of large space occupation, low safety, inconvenient operation, etc., and is not easy to transport. The landing gear outer tube is also a very expensive component. In view of the above problems, a storage transport vehicle that is convenient to store and take out, and convenient, safe and reliable to transport is designed. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide an airbus A330 main landing gear outer tube storage transport vehicle, which can more safely and conveniently store the main landing gear outer tube and is convenient to transport.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions.

[0006] An airbus A330 main landing gear outer tube storage transport vehicle is characterized by comprising a frame, a fixed shaft and two nylon bushings, the bottom of the frame is provided with a wheel set, the front and rear ends of the frame are respectively provided with a front V-shaped support and a rear V-shaped support for supporting both ends of the main landing gear outer tube, the openings of the front V-shaped support and the rear V-shaped support face upwards, the rear ends of the frame are respectively provided with shaft support frames, the two ends of the fixed shaft can be respectively clamped on the upper ends of the shaft support frames, the fixed shaft is used for being horizontally inserted into a shaft hole at one end of the main landing gear outer tube, the two nylon bushings are respectively sleeved on the fixed shaft, and the two nylon bushings are respectively embedded into both ends of the shaft hole on the main landing gear outer tube.

[0007] The utility model further has the following technical solutions: the upper ends of the shaft support frames on both sides are respectively provided with V-shaped sockets with openings facing upwards, and the outer sides of the V-shaped sockets are provided with positioning pieces.

[0008] The utility model further has the following technical solutions: one end of the nylon bushing is provided with a convex ring, and the outer diameter of the convex ring is greater than the hole diameter of the shaft hole on the main landing gear outer tube.

[0009] The utility model further has the following technical solutions: the upper surface of the frame is provided with a transverse reinforcing rod, and the two ends of the reinforcing rod are respectively fixedly connected with the front V-shaped support and the rear V-shaped support.

[0010] A further technical solution of this utility model is: the frame is welded from square tubes.

[0011] A further technical solution of this utility model is: the wheel set includes two 6-inch directional silent wheels and two 6-inch universal silent wheels.

[0012] A further technical solution of this utility model is that PVC plates are provided on the surfaces of the front V-shaped bracket and the rear V-shaped bracket that are in contact with the outer cylinder of the main landing gear.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This invention simply requires vertically suspending both ends of the main landing gear outer tube onto the V-shaped bracket and rear V-shaped bracket of the transport vehicle, and then securing it with a fixed shaft. This allows for convenient and stable placement of the main landing gear outer tube. During transportation, the bottom of the main landing gear outer tube receives two-point support and is secured by the fixed shaft, increasing safety. Furthermore, it can be transported directly by moving the vehicle frame, making it convenient to use. Attached Figure Description

[0015] Figure 1 This is a perspective view of the storage and transport vehicle according to an embodiment of the present utility model;

[0016] Figure 2 This is a top view of the storage and transport vehicle according to an embodiment of the present utility model;

[0017] Figure 3 This is a cross-sectional schematic diagram of the nylon bushing according to an embodiment of the present utility model;

[0018] Figure 4 This is a perspective view of the main landing gear outer cylinder stored on the storage and transport vehicle according to an embodiment of the present invention.

[0019] Meaning of the labels in the attached diagram:

[0020] 1-Frame; 2-Rear V-bracket; 3-Front V-bracket; 4-Strengthening rod; 5-Axle support frame; 6-V-shaped bayonet; 7-Positioning plate; 8-Fixed axle; 9-Nylon bushing; 10-Directional silent wheel; 11-Universal silent wheel; 12-Convex ring; 13-Main landing gear outer cylinder; 14-Axle hole. Detailed Implementation

[0021] The present invention will be further described below with reference to embodiments.

[0022] In the description of the utility model, it needs to be understood that, if the direction description, such as the upper, lower, front, rear, left, right and other directions or positional relationship indicated based on the direction or positional relationship shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0023] In the description of the utility model, the meaning of several is one or more, and the meaning of multiple is more than two, and greater than, less than, more than and the like are not included in the number, and the above, below and the like are included in the number.If the first and second are described, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0024] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0025] Embodiment:

[0026] As shown in Figure 1 and Figure 2 The storage and transportation vehicle of the outer cylinder of the Airbus A330 main landing gear of the embodiment comprises a frame 1, a fixed shaft 8 and two nylon bushings 9.

[0027] The frame 1 of the embodiment is welded by square tubes, and the specification of the square tube adopted is 80*80mm. The bottom of the frame 1 is provided with a wheel set, and the wheel set comprises two directional silent wheels 10 of 6 inches located at the front end and two universal silent wheels 11 of 6 inches located at the rear end, and the directional silent wheels 10 and the universal silent wheels 11 can facilitate the movement of the storage and transportation vehicle.

[0028] The front and rear ends of the frame 1 are respectively provided with a front V-shaped support 3 and a rear V-shaped support 2, the openings of the front V-shaped support 3 and the rear V-shaped support 2 are upward, and are located at the same horizontal height, and the front V-shaped support 3 and the rear V-shaped support 2 are respectively used for supporting the two ends of the main landing gear outer cylinder 13. The distance between the front V-shaped support 3 and the rear V-shaped support 2 needs to refer to the center of gravity of the main landing gear outer cylinder 13, and should be designed wide enough to ensure the balance of the storage of the main landing gear outer cylinder 13.

[0029] The frame 1 of the embodiment is further provided with a transverse reinforcing rod 4, the two ends of the reinforcing rod 4 are respectively fixedly connected with the front V-shaped support 3 and the rear V-shaped support 2, and the reinforcing rod 4 can strengthen the structural strength of the front V-shaped support 3 and the rear V-shaped support 2.

[0030] The rear end of the frame 1 is provided with shaft support frames 5 on both sides, and the shaft support frames 5 are closer to the rear end surface of the frame 1 than the rear V-shaped supports 2. The upper ends of the shaft support frames 5 on both sides are respectively provided with V-shaped notches 6 with openings upward, and the outer sides of the V-shaped notches 6 are provided with positioning pieces 7 fixedly connected with the side surfaces of the shaft support frames 5. During use, the fixed shaft 8 is horizontally inserted into the shaft hole 14 at one end of the main landing gear outer cylinder 13, and the two ends of the fixed shaft 8 can be directly clamped into the V-shaped notches 6, so that the fixed shaft 8 can be supported by the shaft support frames 5 and can limit the rotation of the main landing gear outer cylinder 13, and the horizontal position of the fixed shaft 8 is limited by the positioning pieces 7 on both sides, so that the main landing gear outer cylinder 13 stored on the storage transport vehicle is not easy to shake.

[0031] Two nylon bushings 9 are respectively sleeved on the fixed shaft 8, and the nylon bushings 9 can move on the fixed shaft 8. During use, the two nylon bushings 9 are respectively embedded into the two ends of the shaft hole 14 on the main landing gear outer cylinder 13.

[0032] As shown in Figure 3 , one end of the nylon bushing 9 of the embodiment is provided with a convex ring 12, and the outer diameter of the convex ring 12 is greater than the hole diameter of the shaft hole 14 on the main landing gear outer cylinder 13, so that when the nylon bushing 9 is embedded into the shaft hole 14 on the main landing gear outer cylinder 13, the nylon bushing 9 will not enter the shaft hole 14 completely, and the end with the convex ring 12 will be located outside the shaft hole 14, so that the nylon bushing 9 can be easily taken out of the shaft hole 14.

[0033] The surfaces of the front V-shaped support 3 and the rear V-shaped support 2 of the embodiment which contact the main landing gear outer cylinder 13 are respectively provided with PVC plates, so that the surfaces of the main landing gear outer cylinder 13 can be prevented from being scratched by the isolation of the PVC plates.

[0034] The process of storing the landing gear outer cylinder 13 on the storage transport vehicle of the embodiment is as follows:

[0035] The fixed shaft 8 is inserted into the shaft hole 14 of the main landing gear outer cylinder 13, and the two nylon bushings 9 are inserted onto the fixed shaft 8, and the two nylon bushings 9 are respectively located on both sides of the main landing gear outer cylinder 13, and the nylon bushings 9 are respectively embedded into the two ends of the shaft hole 14 on the main landing gear outer cylinder 13. The landing gear outer cylinder 13 is vertically hung on the front V-shaped support 3 and the rear V-shaped support 2 of the transport vehicle, and the two ends of the fixed shaft 8 are clamped into the V-shaped notches 6, as shown in Figure 4 , at this time, the main landing gear outer cylinder 13 is stably placed on the storage transport vehicle, and the operation is simple and fast.

[0036] The above embodiments of the utility model are not the limitation of the protection scope of the utility model, and the implementation mode of the utility model is not limited to this, and according to the above content of the utility model, according to the ordinary technical knowledge and usual means in the field, other various forms of modification, replacement or change of the above structure of the utility model are made without departing from the above basic technical thought of the utility model, and all should fall within the protection scope of the utility model.

Claims

1. A storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft, characterized in that: The device includes a frame, a fixed axle, and two nylon bushings. The bottom of the frame is equipped with a wheel assembly. The front and rear ends of the frame are respectively equipped with a front V-shaped bracket and a rear V-shaped bracket for supporting the two ends of the main landing gear outer tube. The openings of the front and rear V-shaped brackets face upwards. The rear ends of the frame are respectively equipped with axle support brackets. The two ends of the fixed axle can be respectively locked into the upper ends of the axle support brackets. The fixed axle is used to horizontally pass through the axle hole at one end of the main landing gear outer tube. The two nylon bushings are respectively fitted on the fixed axle, and the two nylon bushings are respectively embedded in the two ends of the axle hole on the main landing gear outer tube.

2. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: The upper ends of the shaft support frames on both sides are respectively provided with V-shaped bayonets with upward openings, and the outer side of the V-shaped bayonets is provided with positioning pieces.

3. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: One end of the nylon bushing is provided with a convex ring, the outer diameter of which is larger than the diameter of the shaft hole on the outer cylinder of the main landing gear.

4. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: The frame is provided with a horizontal reinforcing bar, and the two ends of the reinforcing bar are fixedly connected to the front V-shaped bracket and the rear V-shaped bracket, respectively.

5. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: The frame is welded from square tubing.

6. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: The wheel assembly includes two 6-inch directional silent wheels and two 6-inch omnidirectional silent wheels.

7. The storage and transport vehicle for the outer cylinder of the main landing gear of an Airbus A330 aircraft according to claim 1, characterized in that: Both the front V-shaped bracket and the rear V-shaped bracket have PVC panels on their surfaces that contact the outer cylinder of the main landing gear.