Device for mounting aircraft landing gear

Abstract

A device for mounting an aircraft landing gear belongs to the field of devices for mounting aircraft landing gears and comprises a lifting platform and a fixing device, and the fixing device is slidably connected to the upper end of the lifting platform. The problems that in an existing undercarriage installation mode, the undercarriage is hoisted and then aligned and installed, time and labor are wasted in installation and alignment, and the installation difficulty of the undercarriage is increased due to the fact that the undercarriage is shaken when the undercarriage ascends and descends in the hoisting process in the prior art can be solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of device for installing aircraft landing gear, especially a device for installing aircraft landing gear. BACKGROUND

[0002] The aircraft landing gear is an important load-bearing component in the aircraft structure, and is used for the aircraft to take off, land, taxi, move on the ground and park, and is one of the important safety factors affecting the take-off and landing of the aircraft. The existing installation mode of the landing gear is to hoist the landing gear and then to install it in position, which is time-consuming and laborious, and the hoisted landing gear will shake, thereby increasing the installation difficulty of the landing gear. SUMMARY

[0003] The utility model aims at solving the above problems existing in the prior art, and provides a device for installing aircraft landing gear.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A device for installing aircraft landing gear comprises a lifting platform and a fixing device, and the upper end of the lifting platform is slidably connected with the fixing device.

[0006] The lifting platform comprises a cross lifting platform, a support arm and an electric telescopic rod, the upper end of the cross lifting platform is rotatably connected with the support arm and the electric telescopic rod, and the middle of the support arm and the electric telescopic rod is rotatably connected.

[0007] The fixing device comprises a fixing plate, a sliding rail, a sliding cavity, an extension plate, an inclined plate, a placing groove, a guide rod, a sliding block, a fixing roller, a positioning groove, a screw rod and a clamping plate, the lower end of the fixing plate is symmetrically provided with the sliding rail, the other end of the support arm and the electric telescopic rod is slidably arranged in the sliding rail, the fixing plate is internally provided with the sliding cavity, one end of the extension plate penetrates into one side of the fixing plate and is slidably arranged in the sliding cavity, the other end of the extension plate is rotatably connected with the inclined plate, the top surface of the fixing plate is provided with the placing groove, the placing groove is provided with an opening on the side facing the inclined plate, the guide rod is horizontally and symmetrically fixed in the placing groove, one sliding block is slidably connected with each guide rod, a top screw is arranged on each sliding block, the fixing roller is rotatably connected between the two sliding blocks, the positioning groove is arranged at the center of the fixing roller, one end of the screw rod is screwed into the fixing plate and arranged in the placing groove, the clamping plate is rotatably connected with one end of the screw rod through a bearing, the screw rod and the clamping plate are both provided with two, the two screw rod clamping plates are symmetrically arranged, and each two guide rods, sliding blocks and a fixing roller are arranged as a group, and two groups of guide rods, sliding blocks and a fixing roller are symmetrically arranged with the screw rod as the center.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] The utility model provides a device for aircraft landing gear installation can solve the problem of background art: the installation mode of current landing gear is hoisting landing gear and then carries out the installation of alignment, and the problem of time and effort of installation alignment, and the landing of hoisting will produce the shaking, and then will increase the installation difficulty of landing gear. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the utility model;

[0011] Figure 2 It is the fixed device plan view;

[0012] Figure 3 It is the fixed device elevation view. DETAILED DESCRIPTION

[0013] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, instead of all the embodiment, and all other embodiments obtained by the ordinary skill in the art without making the creative labor based on the embodiment in the utility model belong to the range of the utility model protection.

[0014] A device for aircraft landing gear installation, comprising: lifting platform 1 and fixed device 2, the lifting platform 1 upper end sliding connection has fixed device 2.

[0015] The lifting platform 1 includes: cross lifting platform 1-1, support arm 1-2 and electric telescopic rod 1-3, the upper end of cross lifting platform 1-1 is rotatably connected with support arm 1-2 and electric telescopic rod 1-3, and support arm 1-2 is rotatably connected with electric telescopic rod 1-3.

[0016] The fixing device 2 comprises a fixing plate 2-1, sliding rails 2-2, sliding cavities 2-3, extension plates 2-4, inclined plates 2-5, placing grooves 2-6, guide rods 2-7, sliding blocks 2-8, fixing rollers 2-9, positioning grooves 2-10, screw rods 2-11 and clamping plates 2-12, sliding rails 2-2 are symmetrically arranged at the lower end of the fixing plate 2-1, the support arm 1-2 and the other end of the electric telescopic rod 1-3 are both slid in the sliding rails 2-2, sliding cavities 2-3 are arranged in the fixing plate 2-1, one end of the extension plate 2-4 penetrates one side of the fixing plate 2-1 and slides in the sliding cavity 2-3, the other end of the extension plate 2-4 is rotationally connected with the inclined plate 2-5, the fixing plate 2-1 is provided with the placing groove 2-6 on the top surface, the placing groove 2-6 is provided with an opening on the side facing the inclined plate 2-5, the placing groove 2-6 is horizontally and symmetrically fixed with the guide rods 2-7, one sliding block 2-8 is slidably connected to each guide rod 2-7, the sliding blocks 2-8 are all provided with top screws, the fixing roller 2-9 is rotationally connected between the two sliding blocks 2-8, the positioning groove 2-10 is arranged at the center position of the fixing roller 2-9, the screw rod 2-11 is screw-connected into the fixing plate 2-1 at one end and arranged in the placing groove 2-6, the clamping plate 2-12 is rotationally connected to the screw rod 2-11 at one end through a bearing, the screw rod 2-11 and the clamping plate 2-12 are both arranged as two, the two screw rods 2-11 and the clamping plates 2-12 are symmetrically arranged, every two guide rods 2-7, sliding blocks 2-8 and a fixing roller 2-9 are arranged as a group, and two groups of the guide rods 2-7, the sliding blocks 2-8 and the fixing rollers 2-9 are symmetrically arranged with the screw rod 2-11 as the center.

[0017] The cross lifting platform 1-1 belongs to the prior art and is not described herein.

[0018] The working principle of the utility model is:

[0019] The device is connected with an external power supply, when using the device, the cross lifting platform 1-1 is lowered to the lowest position, then the electric telescopic rod 1-3 is controlled to retract, through the limiting of the supporting arm 1-2, the fixed plate 2-1 can be inclined to the left side, then the inclined plate 2-5 is pulled to drive the extension plate 2-4 to slide out of the sliding cavity 2-3, at this time the inclined plate 2-5 is placed on the ground, then the landing gear is pushed to move through the wheels, moves to the inclined plate 2-5, then moves along the extension plate 2-4 to the placing groove 2-6, and is located between the two fixed rollers 2-9, then the electric telescopic rod 1-3 is controlled to reset, so that the fixed plate 2-1 is in a horizontal state, then the two fixed rollers 2-9 are pushed to move to the middle, and the sliding block 2-8 is driven to move along the guide rod 2-7, the movement of the fixed roller 2-9 can lift the landing gear, so that the landing gear is separated from the bottom surface of the placing groove 2-6, and the landing gear is positioned, after the landing gear is lifted, the jack screw on the sliding block 2-8 is tightened to position the fixed roller 2-9, then one of the screw rods 2-11 is rotated to drive the clamping plate 2-12 to move, and the clamping plate 2-12 is abutted against the landing gear wheel, the movement of the clamping plate 2-12 driven by the screw rod 2-11 can drive the landing gear wheel to move transversely along the fixed roller 2-9, until the center line position of the landing gear wheel is aligned with the positioning groove 2-10, then the other screw rod 2-11 is rotated to drive the clamping plate 2-12 to move, and the other clamping plate 2-12 is cooperated to clamp and fix the landing gear wheel, through the above-mentioned mode, the landing gear wheel can be positioned, and then the landing gear can be positioned, so that subsequent alignment and installation are facilitated, then the cross lifting platform 1-1 can be controlled to rise for installation. At the same time, the above-mentioned process does not need to be hoisted during the whole installation process of the landing gear, so that the landing gear is not shaken during installation, and the danger of collision of the operator or falling of the landing gear during hoisting of the landing gear is avoided.

[0020] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An apparatus for mounting an aircraft landing gear, characterised in that: Include: Lifting platform (1) and fixed device (2), the upper end of the lifting platform (1) is slidably connected with the fixed device (2), the fixed device (2) comprises: fixed plate (2-1), slide rail (2-2), sliding cavity (2-3), extension plate (2-4), inclined plate (2-5), placing groove (2-6), guide rod (2-7), sliding block (2-8), fixed roller (2-9), positioning groove (2-10), screw rod (2-11) and clamping plate (2-12), the lower end of the fixed plate (2-1) is symmetrically provided with the slide rail (2-2), the support arm (1-2) and the other end of the electric telescopic rod (1-3) are slidably arranged in the slide rail (2-2), the fixed plate (2-1) is internally provided with the sliding cavity (2-3), one end of the extension plate (2-4) penetrates one side of the fixed plate (2-1) and is slidably arranged in the sliding cavity (2-3), the other end of the extension plate (2-4) is rotatably connected with the inclined plate (2-5), the top surface of the fixed plate (2-1) is provided with the placing groove (2-6), the placing groove (2-6) is provided with an opening towards one side of the inclined plate (2-5), the placing groove (2-6) is horizontally and symmetrically fixed with the guide rod (2-7), one sliding block (2-8) is slidably connected with each of the guide rods (2-7), the sliding blocks (2-8) are all provided with top wires, the fixed roller (2-9) is rotatably connected between the two sliding blocks (2-8), the fixed roller (2-9) is provided with the positioning groove (2-10) at the center position, one end of the screw rod (2-11) is screwed into the fixed plate (2-1) and is arranged in the placing groove (2-6), the screw rod (2-11) is rotatably connected with the clamping plate (2-12) through a bearing, the screw rod (2-11) and the clamping plate (2-12) are both provided with two, the two screw rods (2-11) and the clamping plates (2-12) are symmetrically arranged, every two guide rods (2-7), sliding blocks (2-8) and a fixed roller (2-9) are arranged as a group, and two groups of guide rods (2-7), sliding blocks (2-8) and a fixed roller (2-9) are symmetrically arranged with the screw rod (2-11) as the center.

2. A device for mounting an aircraft landing gear as claimed in claim 1, characterised in that: The lifting platform (1) comprises: cross lifting platform (1-1), support arm (1-2) and electric telescopic rod (1-3), the upper end of the cross lifting platform (1-1) is rotatably connected with the support arm (1-2) and the electric telescopic rod (1-3), and the support arm (1-2) is rotatably connected with the electric telescopic rod (1-3) in the middle.

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