CN213921547U

CN213921547U - Automatic fixing device of aircraft wheel

Info

Publication number: CN213921547U
Application number: CN202022944364.9U
Authority: CN
Inventors: 吉起旺; 杨梦娜; 朱杰威; 夏苗苗; 张艳; 韩源
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-10
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an automatic fixing device of aircraft wheel, including wheel, supporting shoe, support frame and dog, two the wheel symmetry sets up the both sides of support frame, the supporting shoe sets up the centre of support frame bottom still includes frame, direction wheelset, positioning mechanism, walking wheel and gets and put the mechanism, positioning mechanism installs the centre at frame top, direction wheelset sets up the both sides of frame, it sets up to get to put the mechanism symmetry both sides around the frame, it includes motor, connecting rod, manipulator mechanism and connecting block to get to put the mechanism. Meanwhile, the utility model discloses can place or tak away the dog of side around the aircraft wheel automatically through the setting of motor, connecting rod, manipulator mechanism and connecting block, accomplish the fixed of aircraft wheel and remove fixedly, the device can also pass through positioning mechanism's setting, makes the frame can be accurate the below of going the support frame accomplish the work of placing of both sides dog around the aircraft wheel.

Description

Automatic fixing device of aircraft wheel

Technical Field

The utility model relates to an automatic fixing device of aircraft wheel.

Background

The airplane stops on an apron or a storehouse beside a runway when no flight task is carried out in an airport, because a brake system of the airplane cannot work continuously after flameout, the airport sets the ground to be a road surface which is not completely horizontal in order to drain water, so that the airplane needs to place stop blocks at the front side and the rear side of the airplane wheel to prevent people or property loss caused by sliding away when parking, at present, operators and commanders need to place the airplane at the front side and the rear side of the airplane wheel manually by matching with a captain before flameout of the airplane, the process has certain danger, very serious consequences can be caused by one-person misoperation, and the reliability of manual placement is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic fixing device of aircraft wheel to it needs manual operation to accomplish to place the dog around the aircraft wheel among the solution prior art, not only danger coefficient is high but also the relatively lower problem of reliability.

The automatic fixing device of the airplane wheel comprises airplane wheels, supporting blocks, supporting frames and stop blocks, wherein the two airplane wheels are symmetrically arranged on two sides of the supporting frames, the supporting blocks are arranged in the middle of the bottom of the supporting frames, the automatic fixing device further comprises a frame, guide wheel sets, a positioning mechanism, walking wheels and a taking and placing mechanism, the positioning mechanism is arranged in the middle of the top of the frame, the guide wheel sets are arranged on two sides of the frame, the taking and placing mechanism is symmetrically arranged on the front side and the rear side of the frame, the taking and placing mechanism comprises a motor, a connecting rod, a manipulator mechanism and a connecting block, the connecting block is vertically fixed on the stop blocks, the four connecting rods are respectively and symmetrically pivoted on the front side and the rear side of the frame, the motor is arranged on the frame, the motor drives the connecting rod to rotate around the pivoting position of the connecting rod and the frame, and the extending end of the connecting rod is fixedly connected with the manipulator mechanism, the motor drives the connecting rod to drive the mechanical arm mechanism to be close to or far away from the connecting block, and the mechanical arm mechanism finishes the picking and placing work of the stop block by clamping or loosening the connecting block.

Preferably, the manipulator mechanism comprises a fixed plate, a movable plate and an electric cylinder, the fixed plate is fixedly connected with the extending end of the connecting rod, a cylinder body of the electric cylinder is fixed on the fixed plate, the extending end of the electric cylinder is fixedly connected with the movable plate, and the electric cylinder drives the movable plate to clamp or loosen the connecting block between the movable plate and the fixed plate.

Preferably, the positioning mechanism comprises spring telescopic columns, a transverse plate and positioning grooves, the transverse plate is installed above the frame through the spring telescopic columns, the positioning grooves are formed in the middle of the top of the transverse plate, the positioning grooves are matched with the supporting blocks in shape, and when the spring telescopic columns are in a natural state, the top of the transverse plate is higher than the lowest point of the supporting blocks.

Preferably, the guide wheel set comprises a plurality of rollers, the plurality of rollers are arranged on the side surface of the frame along the moving direction of the frame, and the rollers are vertically arranged and are rotationally connected with the frame.

Preferably, mounting grooves are formed in two sides of the frame, the guide wheel sets are arranged in the mounting grooves and partially exposed, and the distance between the outermost sides of the guide wheel sets on the two sides is equal to the distance between the inner sides of the two wheels.

Preferably, the plurality of the travelling wheels are symmetrically and rotatably connected to two sides of the bottom of the frame.

The utility model has the advantages that: the device can pass through the motor, the connecting rod, the fixed plate, the fly leaf, the setting of electric jar and connecting block, the dog that will incline around the wheel is placed or is taked away automatically, accomplish the fixed of aircraft wheel and remove fixedly, the device can also pass through the flexible post of spring, the setting of diaphragm and constant head tank, make the frame can be more accurate travel accomplish the accurate work of placing of both sides dog around the wheel to the below of support frame, it is more reliable to make the wheel fixed, the device can also pass through the setting of direction wheelset, provide the auxiliary positioning function, help the device accomplish work more smoothly.

Drawings

FIG. 1 is a schematic structural view of the present invention during operation;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the stopper of the present invention during transportation;

fig. 4 is a side view of the stopper of the present invention during transport.

The labels in the figures are: 11. the device comprises a motor, 12, a connecting rod, 13, a fixing plate, 14, a movable plate, 15, an electric cylinder, 16, a connecting block, 21, a spring telescopic column, 22, a transverse plate, 23, a positioning groove, 3, a guide wheel set, 4, a frame, 5, a traveling wheel, 6, a stop block, 71, a wheel, 72, a supporting block, 73 and a supporting frame.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.

As shown in fig. 1-4, the utility model provides an automatic fixing device for airplane wheels, which comprises two wheels 71, supporting blocks 72, a supporting frame 73 and a stop block 6, wherein the two wheels 71 are symmetrically arranged at two sides of the supporting frame 73, the supporting blocks 72 are arranged in the middle of the bottom of the supporting frame 73, the automatic fixing device further comprises a frame 4, a guiding wheel set 3, a positioning mechanism, a walking wheel 5 and a pick-and-place mechanism, the positioning mechanism is arranged in the middle of the top of the frame 4, the guiding wheel set 3 is arranged at two sides of the frame 4, the pick-and-place mechanism is symmetrically arranged at the front side and the rear side of the frame 4, the pick-and-place mechanism comprises a motor 11, a connecting rod 12, a manipulator mechanism and a connecting block 16, the connecting block 16 is vertically fixed on the stop block 6, the four connecting rods 12 are symmetrically pivoted to the front side and the rear side of the frame 4 respectively, the motor 11 is arranged on the frame 4, the motor 11 drives the connecting rod 12 to rotate around the pivoting position of the connecting rod and the frame 4, the end that stretches out of connecting rod 12 and manipulator mechanism fixed connection, motor 11 drive manipulator mechanism through drive connecting rod 12 and are close to or keep away from connecting block 16, and manipulator mechanism is through the centre gripping or loosen connecting block 16 and accomplish the work of getting to dog 6.

The manipulator mechanism comprises a fixed plate 13, a movable plate 14 and an electric cylinder 15, wherein the fixed plate 13 is fixedly connected with the extending end of the connecting rod 12, the cylinder body of the electric cylinder 15 is fixed on the fixed plate 13, the extending end of the electric cylinder 15 is fixedly connected with the movable plate 14, and the electric cylinder 15 drives the movable plate 14 to enable the movable plate 14 and the fixed plate 13 to clamp or loosen a connecting block 16.

The positioning mechanism comprises spring telescopic columns 21, a transverse plate 22 and positioning grooves 23, the transverse plate 22 is installed above the frame 4 through the spring telescopic columns 21, the positioning grooves 23 are formed in the middle of the top of the transverse plate 22, the positioning grooves 23 are matched with the supporting blocks 72 in shape, and when the spring telescopic columns 21 are in a natural state, the top of the transverse plate 22 is higher than the lowest point of the supporting blocks 72.

The guide wheel set 3 comprises a plurality of idler wheels which are arranged on the side surface of the frame 4 along the motion direction of the frame 4, and the idler wheels are vertically arranged and are rotationally connected with the frame 4.

Mounting grooves are formed in two sides of the frame 4, the guide wheel sets 3 are arranged in the mounting grooves and partially exposed, and the distance between the outermost sides of the guide wheel sets 3 on the two sides is equal to the distance between the inner sides of the two wheels 71.

A plurality of road wheels 5 are symmetrically and rotatably connected with the two sides of the bottom of the frame 4.

When the stoppers 6 are required to be placed on the front side and the rear side of the airplane wheel 71, firstly, the device is operated to drive between the two airplane wheels 71 through the travelling wheels 5, the guide wheel sets 3 on the two sides of the frame 4 are respectively contacted with the inner sides of the two airplane wheels 71, so that the advancing direction of the frame 4 is adjusted, at the moment, the transverse plate 22 starts to be pushed downwards by the supporting block 72, the spring telescopic column 21 is compressed, the frame 4 continues to drive forwards, when the bottom of the supporting block 72 extends into the positioning groove 23, the frame 4 stops moving, the motor 11 starts to work, the motor 11 drives the connecting rod 12 to rotate towards the airplane wheel 71 on the same side, the connecting rod 12 drives the fixed plate 13, the movable plate 14, the electric cylinder 15, the connecting block 16 and the stoppers 6 connected with the connecting block 16 to move, when the stoppers 6 move towards the front side or the rear side of the airplane wheels 71, the motor 11 stops working, the extending end of the electric cylinder 15 extends outwards, and the movable plate 14 is pushed, the connecting block 16 is no longer clamped by the fixed plate 13 and the movable plate 14 at this time, the chock 6 is stably placed on the ground and separated from the device, then the connecting rod 12 is reset to the previous posture by the motor 11 and is driven away from the lower side of the supporting frame 73, when the chock 6 needs to be taken out, the previous operations are repeated, when the movable plate 14 and the fixed plate 13 are driven to the two sides of the corresponding connecting block 16 by the connecting rod 12, the protruding end of the electric cylinder 15 is retracted at this time, the connecting block 16 is clamped by the fixed plate 13 and the movable plate 14, then the motor 11 drives the same to rotate back to the initial posture and is driven away from the lower side of the supporting frame 73, the device can automatically place or take away the chock 6 at the front and rear sides of the airplane wheel 71 through the arrangement of the motor 11, the connecting rod 12, the fixed plate 13, the movable plate 14, the electric cylinder 15 and the connecting block, The setting of diaphragm 22 and constant head tank 23 makes frame 4 can be more accurate go to the below of support frame 73 and accomplish the accurate work of placing of wheel 71 front and back both sides dog 6, makes the wheel 71 fixed more reliable, and the device can also provide the assistance-localization real-time function through the setting of direction wheelset 3, helps the device accomplish work more smoothly.

The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial modifications of the inventive concept and technical solutions of the present invention or direct application of the inventive concept and technical solutions to other applications without modification are within the scope of the present invention.

Claims

1. The utility model provides an automatic fixing device of aircraft wheel, includes wheel (71), supporting shoe (72), support frame (73) and dog (6), two wheel (71) symmetry sets up the both sides in support frame (73), supporting shoe (72) set up in the centre of support frame (73) bottom, its characterized in that: still include frame (4), direction wheelset (3), positioning mechanism, walking wheel (5) and get and put the mechanism, positioning mechanism installs the centre at frame (4) top, direction wheelset (3) set up the both sides of frame (4), it sets up to get to put the mechanism symmetry both sides around frame (4), it includes motor (11), connecting rod (12), manipulator mechanism and connecting block (16) to get to put the mechanism, connecting block (16) are vertical to be fixed on dog (6), four connecting rod (12) symmetry pivot respectively are received both sides around frame (4), motor (11) are installed on frame (4), motor (11) drive connecting rod (12) around its with frame (4) pivot department rotates, the end that stretches out of connecting rod (12) with manipulator mechanism fixed connection, the motor (11) drives the connecting rod (12) to drive the mechanical arm mechanism to be close to or far away from the connecting block (16), and the mechanical arm mechanism finishes the picking and placing work of the stop block (6) by clamping or loosening the connecting block (16).

2. An automatic securing device for an aircraft wheel according to claim 1, characterised in that: the manipulator mechanism comprises a fixed plate (13), a movable plate (14) and an electric cylinder (15), the fixed plate (13) is fixedly connected with the extending end of the connecting rod (12), the cylinder body of the electric cylinder (15) is fixed on the fixed plate (13), the extending end of the electric cylinder (15) is fixedly connected with the movable plate (14), and the electric cylinder (15) drives the movable plate (14) to enable the movable plate (14) and the fixed plate (13) to clamp or loosen the connecting block (16).

3. An automatic securing device for an aircraft wheel according to claim 1, characterised in that: the positioning mechanism comprises spring telescopic columns (21), a transverse plate (22) and positioning grooves (23), the transverse plate (22) is installed above the frame (4) through the spring telescopic columns (21), the positioning grooves (23) are formed in the middle of the top of the transverse plate (22), the positioning grooves (23) are matched with the supporting blocks (72) in shape, and when the spring telescopic columns (21) are in a natural state, the top of the transverse plate (22) is higher than the lowest point of the supporting blocks (72).

4. An automatic securing device for an aircraft wheel according to claim 1, characterised in that: the guide wheel set (3) comprises a plurality of idler wheels, the idler wheels are arranged on the side face of the frame (4) along the motion direction of the frame (4), and the idler wheels are vertically arranged and are rotationally connected with the frame (4).

5. An automatic securing device for an aircraft wheel according to claim 4, characterised in that: mounting grooves are formed in two sides of the frame (4), the guide wheel sets (3) are arranged in the mounting grooves and partially exposed, and the distance between the outermost sides of the guide wheel sets (3) on two sides is equal to the distance between the inner sides of the two wheels (71).

6. An automatic securing device for an aircraft wheel according to claim 1, characterised in that: a plurality of the walking wheels (5) are symmetrically and rotatably connected with two sides of the bottom of the frame (4).