Wheel holding device of aircraft tractor

Abstract

The utility model discloses a wheel holding device of an aircraft tractor, which relates to the technical field of wheel holding devices of aircraft tractors and comprises a vehicle body, an L-shaped plate is fixed on the vehicle body, four cylinders I are jointly connected with a support plate, a shovel plate and a mounting plate are fixed on the support plate, a clamping plate is fixed on a cylinder II, and a horizontal adjusting component is connected with a movable plate; according to the size of front wheels of an airplane, a motor is started to drive a lead screw to drive a driving block to drive a movable rod to move, and the movable rod moves a movable plate to a proper position through a connecting rod; the central axis of an aircraft front wheel and the central axis of a vehicle body are located on the same straight line, the aircraft front wheel is placed on a supporting plate and makes contact with a movable plate, at the moment, the aircraft front wheel is placed in the center of a rotating disc, a second air cylinder is started to enable clamping plates to clamp the aircraft front wheel, and the two clamping plates and the movable plate tightly hold the aircraft front wheel; by arranging the movable plate, the problem that the front wheel of the airplane easily passes through the turntable is solved, and the front wheel of the airplane is conveniently placed in the center of the turntable to be clamped and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aircraft towing vehicle wheel holding device technical field, concretely is an aircraft towing vehicle wheel holding device. BACKGROUND

[0002] The aircraft towing vehicle wheel holding device is a kind of equipment specially used to move aircraft on airport ground, and its core function is to realize the safe and stable towing of aircraft by holding and lifting the front wheel or main landing gear of aircraft.When the front wheel of aircraft is held, the towing vehicle can start to move the aircraft.

[0003] Chinese patent CN220410895U discloses a rotatable wheel holding device of a rodless aircraft towing vehicle, which is arranged on a movable vehicle body and includes a turntable and a turntable mounting platform that can be lifted and moved, the turntable is located in the turntable limiting groove on the upper surface of the turntable mounting platform and can rotate freely by 360 degrees, an arc-shaped clamping plate is arranged at each of the positions corresponding to the four corners of the upper side of the turntable mounting platform, and the four arc-shaped clamping plates are uniformly arranged around the outer side of the turntable, and the arc-shaped clamping plates can be driven to move horizontally along a straight line passing through the center of the turntable. The turntable of the utility model allows the front wheel of the aircraft to rotate, can effectively buffer the thrust received by the landing gear of the aircraft, and increases the degree of freedom of the front wheel of the aircraft.

[0004] In the above-mentioned patent, when the front wheel of the aircraft is placed on the turntable, the front wheel of the aircraft is likely to pass through the turntable, and it is not convenient to place the front wheel of the aircraft in the center of the turntable, thereby affecting the clamping and fixing of the arc-shaped clamping plate on the front wheel of the aircraft. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an aircraft towing vehicle wheel holding device to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above-mentioned technical problems, the utility model provides the following technical scheme: an aircraft towing vehicle wheel holding device, comprising: a vehicle body, a vehicle wheel is installed at the four corners of the vehicle body, an opening is formed by inwardly recessing the middle part of the rear end of the vehicle body, L-shaped plates are symmetrically fixed on the top surface of the vehicle body and located at the left and right ends of the opening, air cylinders one are vertically fixed at both ends of the L-shaped plates, the movable ends of the four air cylinders one are fixedly connected to a support plate that slides with the inner wall of the opening, a shovel plate is fixedly connected to the center of the rear wall of the support plate, mounting plates are symmetrically fixed on the top surface of the rear end of the support plate and located at the left and right ends of the shovel plate, air cylinders two are horizontally fixed on the side of the mounting plates away from the center of the support plate, clamping plates are fixed to the movable ends of the air cylinders two through the mounting plates, a horizontal adjustment assembly is fixedly connected to the center of the front end of the vehicle body, and a movable plate is vertically fixed to the front side of the clamping plate and located in the opening through the movable end of the horizontal adjustment assembly.

[0007] Further, the L-shaped plate is fixed with reinforcing blocks at the end away from the opening, the reinforcing blocks are provided in plurality, and adjacent two reinforcing blocks are equal in spacing, and the bottom surface of the reinforcing block and the top surface of the vehicle body are fixed.

[0008] Further, the center of the support plate is rotatably connected with a rotating disc, the mounting plate is located at the outer side of the rotating disc, and the mounting plate is obliquely arranged on the support plate and is perpendicular to the support plate.

[0009] Further, the horizontal adjusting assembly comprises a fixed plate fixed with the top surface of the vehicle body, a screw rod rotatably arranged in the fixed plate, a motor fixed with the fixed plate at one end of the screw rod, a driving block slidably arranged in the fixed plate and symmetrically matched with the outer wall of the screw rod, a movable rod hingedly connected with the driving block and located at the rear side of the fixed plate, and one connecting rod horizontally arranged and hingedly connected with the two movable rods, and the connecting rod and the movable plate are fixed.

[0010] Further, the fixed plate is located at the front side of the opening, a strip-shaped groove is horizontally arranged at the center of the rear wall of the fixed plate, and the screw rod is arranged in the strip-shaped groove, and the driving block and the strip-shaped groove are slidably connected.

[0011] Further, the rear end of the connecting rod and the upper end center of the front wall of the movable plate are fixed, the movable plate is located above the support plate, the upper and lower walls of the front end of the connecting rod are symmetrically fixed with guide rods which are horizontally slidably connected with the fixed plate, and the front end of the guide rod is fixed with a limiting plate located in front of the fixed plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、the utility model discloses a kind of aircraft front wheel loading and unloading device, including vehicle body, the top surface of vehicle body is fixed with the support plate, the center of support plate is rotatably connected with rotating disc, and the outer side of rotating disc is fixed with mounting plate, and the mounting plate is obliquely arranged on support plate and is perpendicular to support plate.

[0014] 2、the utility model discloses two cylinders and one motor are arranged, so that the movable plate and the clamping plate are fixed to the aircraft front wheel, reduce the use of driving equipment, i.e. reduce the use of cylinder two, the stability of movable plate can be improved by setting guide rod, and the guide rod can be prevented from being separated from the fixed plate by setting limiting plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0016] Figure 1 is a top view structural schematic diagram of the present application;

[0017] Figure 2 is a rear view structural schematic diagram of the present application;

[0018] Figure 3 is a schematic diagram of the horizontal adjustment assembly and the movable plate connection of the present application;

[0019] Figure 4 is a schematic diagram of the horizontal adjustment assembly and the movable plate connection of the present application Figure 3 is an enlarged schematic diagram of the A area structure in the present application;

[0020] In the figure: 1, vehicle body; 2, L-shaped plate; 3, cylinder one; 4, support plate; 5, turntable; 6, cylinder two; 7, mounting plate; 8, clamping plate; 9, shovel plate; 10, movable plate; 11, reinforcing block; 12, horizontal adjustment assembly; 1201, fixed plate; 1202, motor; 1203, strip-shaped groove; 1204, screw rod; 1205, driving block; 1206, movable rod; 1207, connecting rod; 1208, guide rod; 1209, limiting plate; 13, opening; 14, wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4The utility model provides technical scheme: an airplane tractor wheel embracing device, include: car body 1, car body 1 four corners are installed wheel 14, the car body 1 rear end middle part is recessed to form an opening 13, the top of car body 1 and located the both ends symmetry fixed with L shaped board 2 in opening 13, the one end of L shaped board 2 away from opening 13 is fixed with reinforcing block 11, and reinforcing block 11 improves L shaped board 2 and the connecting stability of car body 1, reinforcing block 11 is equipped with multiple, and the spacing of adjacent two reinforcing block 11 is equal, and the top of car body 1 is fixed with the top of car body 1 on reinforcing block 11 bottom, both ends of L shaped board 2 are vertically fixed with cylinder no.The limiting plate 1209 can prevent the guide rod 1208 from being separated from the fixed plate 1201.

[0023] The utility model working principle:

[0024] Refer to the description attached Figures 1-4 According to the size of the aircraft nose wheel, start motor 1202, the output end of motor 1202 drives screw rod 1204 to rotate, and screw rod 1204 makes the drive block 1205 at both ends move towards each other and slide in the bar-shaped groove 1203, and the drive block 1205 makes one end of the movable rod 1206 move to the center side of the fixed plate 1201 and rotate, and the other end of the movable rod 1206 rotates on the connecting rod 1207 and pushes the connecting rod 1207 to move horizontally backward, the connecting rod 1207 drives the movable plate 10 to move to the appropriate position, and the motor 1202 is turned off;The center axis of the aircraft nose wheel and the vehicle body 1 is in the same straight line, and the aircraft nose wheel is placed on the support plate 4, and the aircraft nose wheel and the movable plate 10 are in contact, at this time the aircraft nose wheel is placed in the center position of the turntable 5, then start cylinder two 6, the movable end of cylinder two 6 drives the clamping plate 8 to clamp the aircraft nose wheel, two clamping plates 8 and a movable plate 10 realize the clamping of the aircraft nose wheel, then start cylinder one 3 and make the support plate 4 move to the appropriate position;By setting the adjustable movable plate 10, the problem that the aircraft nose wheel is placed on the turntable 5 is solved, which is easy to make the aircraft nose wheel pass through the turntable 5, and the aircraft nose wheel is placed on the turntable 5 center to be clamped and clamped.

[0025] Finally, it should be pointed out that: the above only for preferred embodiment of the utility model has been described, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. that is made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An aircraft tug wheel holder apparatus comprising: The utility model relates to a vehicle body (1), vehicle body (1) four corners install wheel (14), it is characterized by: the middle part of rear end of vehicle body (1) is recessed and forms an opening (13), the top of vehicle body (1) and located the left and right ends of opening (13) symmetry fixed with L shaped board (2), L shaped board (2) both ends are vertically fixed with cylinder one (3), the movable end of four cylinder one (3) is fixedly connected with the support plate (4) that slides with the inner wall of opening (13), the rear wall center of support plate (4) is fixed with the shovel plate (9), the rear end top of support plate (4) and located the left and right ends of shovel plate (9) symmetry fixed with mounting plate (7), the side away from the center of support plate (4) of mounting plate (7) is fixed with cylinder two (6) horizontally, cylinder two (6) movable end passes through mounting plate (7) and is fixed with clamping plate (8), the front center of vehicle body (1) is fixed with horizontal adjusting assembly (12), the movable end of horizontal adjusting assembly (12) is vertically fixed with movable plate (10) that is located the front side of clamping plate (8) and is located in opening (13).

2. A tow vehicle holdback device for an aircraft as defined in claim 1, wherein: The end away from opening (13) of L shaped board (2) is fixed with reinforcing block (11), reinforcing block (11) is equipped with multiple, and the interval of adjacent two reinforcing block (11) is equal, the top of reinforcing block (11) and the top of vehicle body (1) are fixed.

3. A tow vehicle holdback device for an aircraft as set forth in claim 1, further comprising: The center of support plate (4) is rotatably connected with rotary table (5), mounting plate (7) is located the outside of rotary table (5), mounting plate (7) is inclined and placed on support plate (4), and mounting plate (7) is perpendicular to support plate (4).

4. A tow vehicle holdback device for an aircraft as set forth in claim 1, further comprising: The horizontal adjusting assembly (12) includes the fixed plate (1201) fixed with the top of vehicle body (1), the fixed plate (1201) is rotatably provided with a lead screw (1204) in a horizontal manner, one end of the lead screw (1204) is fixedly connected with a motor (1202) fixed with the fixed plate (1201), the outer wall of the lead screw (1204) is symmetrically matched with a driving block (1205) slidingly arranged with the fixed plate (1201), the driving block (1205) is hingedly connected with a movable rod (1206) located at the rear side of the fixed plate (1201), and the two movable rods (1206) are commonly hingedly connected with a connecting rod (1207) arranged in a horizontal manner, and the connecting rod (1207) is fixed with the movable plate (10).

5. A tow vehicle holdback device for an aircraft as defined in claim 4, wherein: The fixed plate (1201) is located in front of the opening (13), a strip-shaped groove (1203) is horizontally formed in the center of the rear wall of the fixed plate (1201), the lead screw (1204) is located in the strip-shaped groove (1203), and the driving block (1205) is slidingly connected with the strip-shaped groove (1203).

6. A tow vehicle holdback apparatus for an aircraft as defined in claim 4, wherein: The rear end of the connecting rod (1207) and the upper end of the front wall of the movable plate (10) are fixedly connected with each other, the movable plate (10) is located above the support plate (4), the upper and lower walls of the front end of the connecting rod (1207) are symmetrically fixed with guide rods (1208) slidingly connected with the fixed plate (1201) in a horizontal manner, and the front ends of the guide rods (1208) are fixedly connected with limiting plates (1209) located in front of the fixed plate (1201).

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