Wide-body aircraft undercarriage disassembling and assembling vehicle

Abstract

The utility model provides a wide-body aircraft undercarriage disassembling and assembling vehicle, which relates to the technical field of aircraft maintenance and comprises a frame chassis, an electric control cabinet, a lifting component, a posture adjusting mechanism and a positioning tool, a plurality of traveling wheels are arranged at the bottom of the frame chassis, the lifting component is connected with the posture adjusting mechanism, and the positioning tool is mounted on the posture adjusting mechanism. The posture adjusting mechanism comprises a lifting frame and a bracket, the lifting frame is connected with the lifting assembly, a first adjusting frame is slidably connected to the inner side of the lifting frame, a second adjusting frame is slidably connected to the inner side of the first adjusting frame, and a first telescopic piece with the movable end hinged to the first adjusting frame is hinged to the lifting frame. The movable end of the first telescopic piece is hinged to the first adjusting frame, the movable end of the second telescopic piece is hinged to the first adjusting frame, the bracket is rotationally connected to the second adjusting frame, and a third telescopic piece for driving the bracket to rotate is hinged to the second adjusting frame. And the wide-body aircraft undercarriage is convenient to disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aircraft maintenance, especially a wide-body aircraft landing gear dismounting vehicle. BACKGROUND

[0002] The aircraft landing gear is a device used for supporting the aircraft during takeoff, landing or ground taxiing and for ground movement, and is the only component supporting the whole aircraft, so it plays an extremely important role on the aircraft. The main functions of the landing gear include supporting the gravity of the aircraft during ground parking, taxiing, taking off and landing, and bearing the corresponding load. In order to ensure safety, the aircraft landing gear needs to be regularly dismounted and maintained.

[0003] The landing gear dismounting vehicle is a commonly used equipment for dismounting the aircraft landing gear, but there are the following problems in the use process of the existing landing gear dismounting vehicle: 1. The adjustment direction of the aircraft landing gear is limited, and the adjustment is not accurate enough, so the position of the aircraft landing gear cannot be well positioned; 2. Due to manual operation, the adjustment of the landing gear dismounting vehicle is complicated, which causes the dismounting of the aircraft landing gear to take too long. SUMMARY

[0004] The utility model aims at the above-mentioned technical problems, and provides a wide-body aircraft landing gear dismounting vehicle to solve the above-mentioned problems.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A wide-body aircraft landing gear dismounting vehicle, comprising a vehicle chassis, an electric control cabinet, a lifting assembly, a posture adjustment mechanism and a positioning tool, the bottom of the vehicle chassis is provided with a plurality of traveling wheels, the electric control cabinet and the lifting assembly are respectively installed on the vehicle chassis, the lifting assembly is connected with the posture adjustment mechanism, the positioning tool is installed on the posture adjustment mechanism, the electric control cabinet is electrically connected with the controlled end of the lifting assembly and the posture adjustment mechanism, the posture adjustment mechanism comprises a lifting frame and a bracket, the lifting frame is connected with the lifting assembly, the inner side of the lifting frame is slidably connected with an adjusting frame one, the inner side of the adjusting frame one is slidably connected with an adjusting frame two, the lifting frame is hingedly connected with a telescopic piece one with the hinged adjusting frame one, the adjusting frame one is hingedly connected with a telescopic piece two with the hinged telescopic piece two, the bracket is rotatably connected to the adjusting frame two, and the adjusting frame two is hingedly connected with a telescopic piece three driving the bracket to rotate.

[0007] Preferably, a rotating shaft and a fixed ring type support seat are installed on the adjusting frame two, a movable ring type support seat is installed on the bracket, the rotating shaft is rotatably connected with the movable ring type support seat, the movable ring type support seat is rotatably arranged on the fixed ring type support seat, and the movable end of the telescopic piece three is hingedly connected with the movable ring type support seat.

[0008] Preferably, the lifting assembly comprises a hydraulic cylinder one and a hydraulic cylinder two, fixed ends of the hydraulic cylinder one and the hydraulic cylinder two are respectively installed on the frame chassis, movable ends of the hydraulic cylinder one and the hydraulic cylinder two are respectively connected with a cross bar, two ends of the cross bar are respectively connected with a chain wheel, the chain wheel is drivingly connected with a plate chain, one end of the plate chain is connected with a lifting frame, and a free end of the plate chain is connected with a corresponding guide frame, the guide frame is fixed on the frame chassis, and the lifting frame is slidingly connected with the guide frame.

[0009] Preferably, the guide frame comprises a connecting plate and two guide plates, one end of the two guide plates is fixed on the frame chassis, and two ends of the connecting plate are respectively connected with the two guide plates, and the free end of the plate chain is connected with the connecting plate.

[0010] Preferably, the guide plate is respectively provided with a guide groove, and the lifting frame is provided with a plurality of rollers, and the plurality of rollers are rollingly connected in the corresponding guide grooves.

[0011] Preferably, the positioning tool comprises four hoops and four mounting plates, the four mounting plates are respectively installed at four corners of the posture adjusting mechanism, a mounting seat is installed on the mounting plate, a corresponding hoop is installed on the mounting seat, and a plurality of mounting positions are arranged on the mounting plate.

[0012] Preferably, the frame chassis is connected with a traction support.

[0013] Compared with the prior art, the device has the advantages that:

[0014] The posture adjusting mechanism can be vertically lifted and pitch-adjusted through the movement of the lifting assembly, the bracket can be moved left and right through the extension piece one, the bracket can be moved forward and backward through the extension piece two, and the bracket can be rotated through the extension piece three, so that the longitudinal, transverse and rotation angle fine adjustment functions of the bracket are realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the wide-body machine landing gear dismounting and mounting vehicle of the utility model;

[0016] Figure 2 It is a three-dimensional structure schematic view of the wide-body machine landing gear dismounting and mounting vehicle of the utility model;

[0017] Figure 3 It is a front view structure schematic view of the wide-body machine landing gear dismounting and mounting vehicle of the utility model;

[0018] Figure 4It is a three-dimensional structure schematic view of the posture adjusting mechanism of the utility model;

[0019] Figure 5 It is a three-dimensional structure schematic view of the posture adjusting mechanism of the utility model;

[0020] Figure 6 It is a front view structure schematic view of the posture adjusting mechanism of the utility model;

[0021] In the figure, 1, frame chassis; 2, electric control cabinet; 3, lifting assembly; 4, hydraulic cylinder one; 5, hydraulic cylinder two; 6, cross bar; 7, chain wheel; 8, plate chain; 9, guide frame; 10, connecting plate; 11, guide plate; 12, reinforcing plate; 13, guide groove; 14, U-shaped plate; 15, posture adjusting mechanism; 16, lifting frame; 17, bracket; 18, adjusting frame one; 19, adjusting frame two; 20, telescopic part one; 21, telescopic part two; 22, telescopic part three; 23, rotating shaft; 24, fixed ring type support seat; 25, movable ring type support seat; 26, ball; 27, positioning tool; 28, hoop; 29, mounting plate; 30, mounting seat; 31, mounting position; 32, travelling wheel; 33, roller; 34, traction support; 35, sliding groove one; 36, sliding groove two; 37, connecting block; 38, winding reel. DETAILED DESCRIPTION

[0022] In order to better understand the technical content of the utility model, the following specific embodiments are provided, and the utility model is further explained in combination with the drawings.

[0023] EMBODIMENT

[0024] Referring to Figures 1 to 6The utility model provides a wide body machine landing gear dismounting trolley, including frame chassis 1, electric control cabinet 2, lifting assembly 3, attitude adjusting mechanism 15 and positioning tool 27, the bottom of frame chassis 1 is provided with a plurality of travelling wheels 32, and the travelling wheels 32 are convenient for moving the equipment to the corresponding position, and the travelling wheels 32 can select the Mecanum wheel, can install the take -up 38 on frame chassis 1, effectively wire winding is carried out, electric control cabinet 2 and lifting assembly 3 are installed on frame chassis 1 respectively, lifting assembly 3 is connected with attitude adjusting mechanism 15, so as to realize the lifting of attitude adjusting mechanism 15 and the regulation of pitch angle, and attitude adjusting mechanism 15 is located between lifting assembly 3, positioning tool 27 is installed on attitude adjusting mechanism 15, and positioning tool 27 is used for holding the wide body machine landing gear, and the wide body machine landing gear is positioned, and the wide body machine landing gear is convenient to dismount, the controlled end of electric control cabinet 2 and lifting assembly 3 and attitude adjusting mechanism 15 is electrically connected, and the movement of lifting assembly 3 can realize the function of the vertical lifting and pitch regulation of attitude adjusting mechanism 15, attitude adjusting mechanism 15 includes lifting frame 16 and bracket 17, lifting frame 16 is connected with lifting assembly 3, the inner side of lifting frame 16 is slidably connected with adjusting frame one 18, the inner side of lifting frame 16 is equipped with a plurality of sliding grooves one 35, adjusting frame one 18 is slidably connected with lifting frame 16 through sliding groove one 35, the inner side of adjusting frame one 18 is slidably connected with adjusting frame two 19, the inner side of adjusting frame one 18 is equipped with a plurality of sliding grooves two 36, adjusting frame two 19 is slidably connected with adjusting frame one 18 through sliding groove two 36, the telescopic piece one 20 that the movable end of adjusting frame one 18 is hinged is hinged on lifting frame 16, and the telescopic piece one 20 is hydraulic telescopic rod, and the telescopic piece one 20 telescopic can drive adjusting frame one 18 to slide in the inner side of lifting frame 16, so that bracket 17 moves left and right, the telescopic piece two 21 that the movable end of telescopic piece two 21 is hinged is hinged on adjusting frame one 18, and the telescopic piece two 21 is hydraulic telescopic rod, and the telescopic piece two 21 telescopic can drive adjusting frame two 19 to slide in the inner side of adjusting frame one 18, so that bracket 17 moves back and forth, bracket 17 is rotatably connected on adjusting frame two 19, the telescopic piece three 22 that the driving bracket 17 rotates is hinged on adjusting frame two 19, so that bracket 17 rotates in horizontal direction, and attitude adjusting mechanism 15 has left and right displacement, front and back displacement, rotation, lifting and pitch functions, thereby adjusting the position of positioning tool 27, so as to position the wide body machine landing gear.

[0025] The adjusting frame two 19 is provided with a rotating shaft 23 and a fixed ring type support seat 24, the rotating shaft 23 is arranged at the center position of the adjusting frame two 19, the bracket 17 rotates around the rotating shaft 23, the bracket 17 is provided with a movable ring type support seat 25, the rotating shaft 23 is rotationally connected with the movable ring type support seat 25, the movable ring type support seat 25 is rotationally arranged on the fixed ring type support seat 24, the stability of the rotation of the bracket 17 is improved, the movable end of the telescopic part three 22 is hingedly connected with the movable ring type support seat 25, wherein the fixed ring type support seat 24 is provided with a plurality of ball bearings 26 in the circumferential direction, the movable ring type support seat 25 is rollingly connected with the plurality of ball bearings 26, and the friction is reduced.

[0026] The lifting assembly 3 comprises a hydraulic cylinder one 4 and a hydraulic cylinder two 5, the fixed ends of the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are respectively arranged on the vehicle frame chassis 1, the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are respectively arranged at the two ends of the posture adjusting mechanism 15, the movable ends of the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are respectively connected with a cross rod 6, the two ends of the cross rod 6 are respectively connected with a chain wheel 7, the chain wheel 7 is drivingly connected with a plate chain 8, the side of a lifting frame 16 is connected with four connecting blocks 37, one end of the plate chain 8 is connected with the lifting frame 16 through the connecting block 37, the free end of the plate chain 8 of the lifting frame 16 is connected with a corresponding guide frame 9, the hydraulic cylinder one 4 and the hydraulic cylinder two 5 drive the chain wheel 7 to move up and down, through the cooperation of the chain wheel 7 and the plate chain 8, the posture adjusting mechanism 15 is lifted or the pitch angle of the posture adjusting mechanism 15 is adjusted, that is, when the lifting heights of the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are consistent, the posture adjusting mechanism 15 is lifted, when the lifting heights of the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are inconsistent, the pitch angle of the posture adjusting mechanism 15 is adjusted, the guide frame 9 is fixed on the vehicle frame chassis 1, the lifting frame 16 is slidingly connected with the guide frame 9, and the guide frame 9 plays a guiding role when the posture adjusting mechanism 15 is lifted, wherein the vehicle frame chassis 1 is connected with a traction support 34, and the device can be removed from the work site in a traction manner.

[0027] The guide frame 9 comprises a connecting plate 10 and two guide plates 11, one end of the two guide plates 11 is fixed on the vehicle frame chassis 1, the two ends of the connecting plate 10 are respectively connected with the two guide plates, the free end of the plate chain 8 is connected with the connecting plate 10, the fixation of the chain plate is facilitated, the guide plates 11 are respectively provided with guide grooves 13, the lifting frame 16 is provided with a plurality of rollers 33, the plurality of rollers 33 are rollingly connected in the corresponding guide grooves 13, the posture adjusting mechanism 15 is guided, and the stability of the lifting of the posture adjusting mechanism 15 is improved.

[0028] The positioning tool 27 comprises four clamps 28 and four installation plates 29, the installation plates 29 are respectively installed at four corners of the posture adjusting mechanism 15, the installation plates 29 are provided with installation seats 30, the installation seats 30 are provided with corresponding clamps 28, four wide-body aircraft landing gears are clamped, the wide-body aircraft landing gears are convenient to disassemble, the installation plates 29 are provided with a plurality of installation positions 31, the installation seats 30 are installed at different installation positions 31, the distance between the clamps 28 in the left-right direction can be adjusted, so that the equipment is suitable for disassembling wide-body aircraft landing gears of different specifications.

[0029] In use, the equipment is moved to the position of the wide-body aircraft landing gear, the hydraulic cylinder one 4 and the hydraulic cylinder two 5 are controlled to synchronously lift by the electric control cabinet 2, the height of the posture adjusting mechanism 15 is lifted, the posture adjusting mechanism 15 is close to the wide-body aircraft landing gear upward, according to the position of the wide-body aircraft landing gear, the telescopic part one 20 is controlled to push the adjusting frame one 18 to move left and right, the telescopic part two 21 is controlled to push the adjusting frame two 19 to move forward and backward, the telescopic part three 22 is controlled to push the bracket 17 to rotate around the rotating shaft 23, and the hydraulic cylinder one 4 or the hydraulic cylinder two 5 is controlled to lift to adjust the pitch angle of the posture adjusting mechanism 15, so that the clamps 28 are aligned and clamped to the wide-body aircraft landing gear, so as to disassemble the wide-body aircraft landing gear, manual operation is not needed, the disassembling time of the wide-body aircraft landing gear is shortened, and the wide-body aircraft landing gear is moved to the maintenance place by the equipment.

[0030] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A wide-body aircraft landing gear removal vehicle, characterized by: The utility model provides a kind of vehicle frame, including frame chassis (1), electric control cabinet (2), lifting assembly (3), attitude adjusting mechanism (15) and positioning tool (27), the bottom of the frame chassis (1) is provided with several walking wheels (32), the electric control cabinet (2) and lifting assembly (3) are respectively installed on frame chassis (1), lifting assembly (3) is connected with attitude adjusting mechanism (15), positioning tool (27) is installed on attitude adjusting mechanism (15), the controlled end of the electric control cabinet (2) and lifting assembly (3) and attitude adjusting mechanism (15) are electrically connected, the attitude adjusting mechanism (15) includes lifting frame (16) and bracket (17), the lifting frame (16) is connected with lifting assembly (3), the inner side of the lifting frame (16) is slidably connected with adjusting frame one (18), the inner side of the adjusting frame one (18) is slidably connected with adjusting frame two (19), the lifting frame (16) is hingedly connected with the telescopic piece one (20) of the hinged adjusting frame one (18), the adjusting frame one (18) is hingedly connected with the telescopic piece two (21) of the hinged telescopic piece two (21), the bracket (17) is rotatably connected on adjusting frame two (19), the adjusting frame two (19) is hingedly connected with the telescopic piece three (22) of the driving bracket (17) rotation.

2. A wide-body aircraft landing gear removal vehicle as recited in claim 1, characterized by: The adjusting frame two (19) is installed with rotating shaft (23) and fixed ring type support seat (24), the bracket (17) is installed with movable ring type support seat (25), the rotating shaft (23) is rotatably connected with movable ring type support seat (25), movable ring type support seat (25) is rotatably arranged on fixed ring type support seat (24), the movable end of telescopic piece three (22) is hingedly connected with movable ring type support seat (25).

3. A wide-body aircraft landing gear removal vehicle as recited in claim 1, characterized by: The lifting assembly (3) includes hydraulic cylinder one (4) and hydraulic cylinder two (5), the fixed end of hydraulic cylinder one (4) and hydraulic cylinder two (5) is respectively installed on frame chassis (1), the movable end of hydraulic cylinder one (4) and hydraulic cylinder two (5) is respectively connected with cross bar (6), the both ends of cross bar (6) are respectively connected with chain wheel (7), chain wheel (7) is drivingly connected with plate chain (8), one end of plate chain (8) is connected with lifting frame (16), the free end of plate chain (8) is connected with corresponding guide frame (9), guide frame (9) is fixed on frame chassis (1), lifting frame (16) is slidably connected with guide frame (9).

4. A wide-body aircraft landing gear removal vehicle as recited in claim 3, characterized by: The guide frame (9) includes connecting plate (10) and two guide plates (11), one end of two guide plates (11) is fixed on frame chassis (1), the both ends of connecting plate (10) are respectively connected with two guide rods, the free end of plate chain (8) is connected with connecting plate (10).

5. A wide-body aircraft landing gear removal vehicle as recited in claim 4, characterized by: The guide plate (11) is respectively provided with guide groove (13), lifting frame (16) is provided with several rollers (33), several rollers (33) are rollingly connected in corresponding guide groove (13).

6. A wide-body aircraft landing gear removal vehicle as recited in claim 1, characterized by: The positioning tool (27) comprises four clamps (28) and four mounting plates (29), the four mounting plates (29) are respectively arranged at four corners of the posture adjusting mechanism (15), mounting seats (30) are arranged on the mounting plates (29), corresponding clamps (28) are arranged on the mounting seats (30), and a plurality of mounting positions (31) are arranged on the mounting plates (29).

7. A wide-body aircraft landing gear removal vehicle as recited in claim 1, characterized by: The frame chassis (1) is connected with a traction support (34).

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