Aviation tire positioning and clamping mechanism

Abstract

The utility model relates to the technical field of aircraft tire assembly, in particular to an aircraft tire positioning and clamping mechanism which can adjust the height and posture of an aircraft tire according to needs, facilitates assembly between the aircraft tire and an external transmission shaft, and is convenient to use and high in practicability. Comprising a moving trolley and a three-jaw chuck. The device further comprises a lifting mechanism, an angle adjusting mechanism, a left-right moving mechanism and a rotating mechanism, the angle adjusting mechanism is installed on the moving vehicle through the lifting mechanism, the lifting mechanism is used for adjusting the height of the angle adjusting mechanism, the left-right moving mechanism is installed on the angle adjusting mechanism, and the angle adjusting mechanism is used for adjusting the angle of the left-right moving mechanism. The three-jaw chuck is installed on the left-right moving mechanism through the rotating mechanism, and the left-right moving mechanism is used for moving the rotating mechanism left and right.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation tire assembly, in particular to an aviation tire positioning and clamping mechanism. Background Art

[0002] During the assembly process of aircraft tires, it is necessary to assemble the aircraft tires onto the drive shaft. Due to the large weight of aircraft tires, it is necessary to use a clamping mechanism to clamp and fix the aircraft tires and then automatically position and assemble them onto the drive shaft. In the prior art, there is a tire installation fixing device with patent application number CN202022685753.4, which is mainly composed of a mobile vehicle, a positioning clamping mechanism and a vertical adjustment structure. When assembling the tire, the tire is first clamped and fixed by the positioning clamping structure, and then the height of the tire is adjusted by the vertical adjustment mechanism, and then the tire is assembled with the wheel axle. However, there are the following problems during use. After the tire is clamped and fixed, the fixing device of the prior art cannot adjust the posture of the tire according to the angle of the wheel axle, which makes it inconvenient to assemble and has poor practicality. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an aircraft tire positioning and clamping mechanism which can adjust the height and posture of the aircraft tire as needed, facilitates the assembly between the aircraft tire and the external transmission shaft, is easy to use, and has high practicality.

[0004] The aircraft tire positioning and clamping mechanism of the utility model includes a mobile car and a three-jaw chuck; it also includes a lifting mechanism, an angle adjustment mechanism, a left-right moving mechanism and a rotating mechanism. The angle adjustment mechanism is installed on the mobile car through the lifting mechanism, the lifting mechanism is used to adjust the height of the angle adjustment mechanism, the left-right moving mechanism is installed on the angle adjustment mechanism, the angle adjustment mechanism is used to adjust the angle of the left-right moving mechanism, the three-jaw chuck is installed on the left-right moving mechanism through the rotating mechanism, and the left-right moving mechanism is used to move the rotating mechanism left and right; the external transmission shaft is located on the left side of the mobile car. When the aircraft tire is assembled on the transmission shaft, the aircraft tire is first clamped and fixed by the three-jaw chuck, and then the angle adjustment mechanism is driven to move left and right through the lifting mechanism. The height is adjusted, and then the rotating mechanism and the three-jaw chuck are adjusted in height, so that the height of the aircraft tire on the three-jaw chuck is consistent with the height of the transmission shaft. Then, the left-right moving mechanism is used to adjust the angle, and then the rotating mechanism and the three-jaw chuck are adjusted in angle, so that the angle of the aircraft tire on the three-jaw chuck is adjusted until the aircraft tire is coaxial with the external transmission shaft. Then, the rotating mechanism is used to drive the three-jaw chuck and the aircraft tire to move leftward through the left-right moving mechanism. During the process of moving leftward, the aircraft tire contacts the transmission shaft, so that the transmission shaft is inserted into the aircraft tire, completing the assembly of the aircraft tire and the transmission shaft. The height and posture of the aircraft tire can be adjusted as needed, which facilitates the assembly between the aircraft tire and the external transmission shaft. It is easy to use and highly practical.

[0005] Preferably, the lifting mechanism includes a hydraulic cylinder, a push rod, a fixed column, a sliding column and a lifting plate. The hydraulic cylinder is fixedly installed on the mobile vehicle, and a push rod is provided at the output end of the hydraulic cylinder. The fixed column is fixedly installed on the mobile vehicle. The lower part of the sliding column is slidably installed on the fixed column up and down, the lifting plate is fixedly installed on the upper end of the push rod and the sliding column, and the angle adjustment mechanism is installed on the upper end of the lifting plate; when adjusting the height of the aircraft tire, the hydraulic cylinder is turned on, and the hydraulic cylinder adjusts the height of the lifting plate through the push rod, and then the angle adjustment mechanism adjusts the height, and then the left and right moving mechanism and the rotating mechanism adjust the height, and then drive the three-jaw chuck and the aircraft tire to adjust the height, so that the height of the aircraft tire is consistent with that of the external transmission shaft; it is convenient to adjust the height of the aircraft tire.

[0006] Preferably, the angle adjustment mechanism includes an electric turntable, a rotating shaft and a disc, the electric turntable is fixedly mounted on the upper end of the lifting plate, the rotating shaft is fixedly mounted on the rotating end of the upper part of the electric turntable, the disc is fixedly mounted on the upper end of the rotating shaft, and the left and right moving mechanism is mounted on the upper end of the disc; when adjusting the attitude of the aircraft tire, the electric turntable is turned on, the electric turntable causes the disc to rotate horizontally through the rotating shaft, and the disc causes the rotating mechanism and the three-jaw chuck to rotate horizontally through the left and right moving mechanism, thereby causing the aircraft tire on the three-jaw chuck to rotate horizontally until the aircraft tire rotates horizontally to be consistent with the axis of the external transmission shaft; this facilitates the adjustment of the aircraft tire attitude.

[0007] Preferably, the left-right moving mechanism includes a fixed plate, a cylinder, a moving rod and a fixed frame, the fixed plate is fixedly mounted on the upper end of the disc, the cylinder is fixedly mounted on the fixed plate, the moving rod is slidably mounted on the fixed plate, the right end of the moving rod is connected to the output end of the cylinder, the fixed frame is fixedly mounted on the left end of the moving rod, and the rotating mechanism is mounted on the fixed frame; when the aircraft tire is adjusted to be coaxial with the external transmission shaft, the cylinder is opened, the cylinder moves the fixed frame to the left through the moving rod, and the fixed frame moves the three-jaw chuck and the aircraft tire to the left through the rotating mechanism until the aircraft tire moves to the left and contacts the transmission shaft, so that the aircraft tire and the transmission shaft can be assembled; this facilitates the assembly of the aircraft tire.

[0008] Preferably, the rotating mechanism includes a mounting plate, a stepper motor and a rotating shaft, the mounting plate is fixedly mounted on the fixed frame, the stepper motor is fixedly mounted on the mounting plate, the rotating shaft is rotatably mounted on the mounting plate, the right end of the rotating shaft is connected to the stepper motor, and the three-jaw chuck is fixedly mounted on the left end of the rotating shaft; a mounting groove is provided on the aircraft tire, and a positioning block is provided on the circumference of the external transmission shaft. During assembly, the stepper motor is turned on, and the stepper motor drives the three-jaw chuck to rotate the aircraft tire through the rotating shaft, so that the mounting groove on the aircraft tire is rotated to match the positioning block on the transmission shaft, and then the aircraft tire is moved to the left to be assembled with the transmission shaft; this facilitates the assembly of the aircraft tire.

[0009] Preferably, it further comprises a counterweight block, which is fixedly mounted on the right part of the upper end of the mobile vehicle; through the above arrangement, the forces on the left and right parts of the mobile vehicle are more balanced, thereby improving stability.

[0010] Preferably, the stepping motor is provided with a leakage protector.

[0011] Compared with the prior art, the present invention has the following beneficial effects: the height and posture of the aircraft tire can be adjusted as needed, the assembly between the aircraft tire and the external transmission shaft is convenient, and the invention is easy to use and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a first axonometric structural diagram of the present invention;

[0013] Figure 2 This is a second axonometric structural diagram of the present invention;

[0014] Figure 3 It is a structural diagram of the lifting mechanism;

[0015] Figure 4 1. It is a structural diagram of the angle adjustment mechanism;

[0016] Figure 5 It is a schematic diagram of the structure of the cylinder, fixed plate and moving rod;

[0017] Figure 6 It is a structural diagram of the rotating mechanism and the three-jaw chuck.

[0018] Markings in the attached figure: 1. Mobile car; 2. Three-jaw chuck; 3. Hydraulic cylinder; 4. Push rod; 5. Fixed column; 6. Sliding column; 7. Lifting plate; 8. Electric turntable; 9. Rotating shaft; 10. Disc; 11. Fixed plate; 12. Cylinder; 13. Moving rod; 14. Fixed frame; 15. Mounting plate; 16. Stepper motor; 17. Rotating shaft; 18. Aviation tire; 19. Counterweight. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] Example 1

[0021] like Figures 1 to 6 The aircraft tire positioning and clamping mechanism of the present invention includes a mobile vehicle 1, a three-jaw chuck 2, a lifting mechanism, an angle adjustment mechanism, a left-right moving mechanism and a rotating mechanism. The angle adjustment mechanism is installed on the mobile vehicle 1 through the lifting mechanism. The lifting mechanism is used to adjust the height of the angle adjustment mechanism. The left-right moving mechanism is installed on the angle adjustment mechanism. The angle adjustment mechanism is used to adjust the angle of the left-right moving mechanism. The three-jaw chuck 2 is installed on the left-right moving mechanism through the rotating mechanism. The left-right moving mechanism is used to move the rotating mechanism left and right. The external transmission shaft is located on the left side of the mobile vehicle 1. When the aircraft tire 18 is assembled on the transmission shaft, the aircraft tire 18 is first clamped and fixed by the three-jaw chuck 2. Then, the angle adjustment mechanism is driven to move left and right to adjust the height through the lifting mechanism, thereby making the rotating mechanism The mechanism and the three-jaw chuck 2 adjust the height so that the height of the aircraft tire 18 on the three-jaw chuck 2 is consistent with the height of the transmission shaft. Then, the left and right moving mechanism is used to adjust the angle, and then the rotating mechanism and the three-jaw chuck 2 are used to adjust the angle, so that the angle of the aircraft tire 18 on the three-jaw chuck 2 is adjusted until the aircraft tire 18 is coaxial with the external transmission shaft. Then, the rotating mechanism is used to drive the three-jaw chuck 2 and the aircraft tire 18 to move leftward through the left and right moving mechanism. During the process of moving leftward, the aircraft tire 18 contacts the transmission shaft, so that the transmission shaft is inserted into the aircraft tire 18, completing the assembly of the aircraft tire 18 and the transmission shaft. The height and posture of the aircraft tire 18 can be adjusted as needed, which facilitates the assembly between the aircraft tire 18 and the external transmission shaft. It is easy to use and has high practicality.

[0022] like Figure 1 and Figure 3The lifting mechanism includes a hydraulic cylinder 3, a push rod 4, a fixed column 5, a sliding column 6 and a lifting plate 7. The hydraulic cylinder 3 is fixedly mounted on the mobile vehicle 1, and a push rod 4 is provided at the output end of the hydraulic cylinder 3. The fixed column 5 is fixedly mounted on the mobile vehicle 1. The lower part of the sliding column 6 is slidably mounted on the fixed column 5 up and down, and the lifting plate 7 is fixedly mounted on the upper end of the push rod 4 and the sliding column 6, and the angle adjustment mechanism is mounted on the upper end of the lifting plate 7; when adjusting the height of the aircraft tire 18, the hydraulic cylinder 3 is turned on, and the hydraulic cylinder 3 adjusts the height of the lifting plate 7 through the push rod 4, thereby adjusting the height of the angle adjustment mechanism, thereby adjusting the height of the left and right moving mechanism and the rotating mechanism, thereby driving the three-jaw chuck 2 and the aircraft tire 18 to adjust the height, so that the height of the aircraft tire 18 is consistent with that of the external transmission shaft; it is convenient to adjust the height of the aircraft tire 18.

[0023] like Figure 1 and Figure 4 The angle adjustment mechanism includes an electric turntable 8, a rotating shaft 9 and a disc 10. The electric turntable 8 is fixedly mounted on the upper end of the lifting plate 7, the rotating shaft 9 is fixedly mounted on the rotating end of the upper part of the electric turntable 8, the disc 10 is fixedly mounted on the upper end of the rotating shaft 9, and the left and right moving mechanism is mounted on the upper end of the disc 10. When adjusting the posture of the aircraft tire 18, the electric turntable 8 is turned on, and the electric turntable 8 causes the disc 10 to rotate horizontally through the rotating shaft 9. The disc 10 causes the rotating mechanism and the three-jaw chuck 2 to rotate horizontally through the left and right moving mechanism, thereby causing the aircraft tire 18 on the three-jaw chuck 2 to rotate horizontally until the aircraft tire 18 rotates horizontally to be consistent with the axis of the external transmission shaft; this facilitates the adjustment of the posture of the aircraft tire 18.

[0024] like Figure 5 The left and right moving mechanism includes a fixed plate 11, a cylinder 12, a moving rod 13 and a fixed frame 14. The fixed plate 11 is fixedly mounted on the upper end of the disc 10, the cylinder 12 is fixedly mounted on the fixed plate 11, the moving rod 13 is slidably mounted on the fixed plate 11, the right end of the moving rod 13 is connected to the output end of the cylinder 12, the fixed frame 14 is fixedly mounted on the left end of the moving rod 13, and the rotating mechanism is mounted on the fixed frame 14; when the aircraft tire 18 is adjusted to be coaxial with the external transmission shaft, the cylinder 12 is opened, and the cylinder 12 moves the fixed frame 14 to the left through the moving rod 13, and the fixed frame 14 moves the three-jaw chuck 2 and the aircraft tire 18 to the left through the rotating mechanism until the aircraft tire 18 moves to the left and contacts the transmission shaft, so that the aircraft tire 18 and the transmission shaft can be assembled; this facilitates the assembly of the aircraft tire 18.

[0025] like Figure 6The rotating mechanism includes a mounting plate 15, a stepper motor 16, and a rotating shaft 17. The mounting plate 15 is fixedly mounted on the fixed frame 14, the stepper motor 16 is fixedly mounted on the mounting plate 15, and the rotating shaft 17 is rotatably mounted on the mounting plate 15. The right end of the rotating shaft 17 is connected to the stepper motor 16, and the three-jaw chuck 2 is fixedly mounted on the left end of the rotating shaft 17. The aircraft tire 18 is provided with a mounting slot, and the external transmission shaft is circumferentially provided with positioning blocks. During assembly, the stepper motor 16 is turned on, and the stepper motor 16 drives the three-jaw chuck 2 to rotate the aircraft tire 18 via the rotating shaft 17, rotating the mounting slot on the aircraft tire 18 until it aligns with the positioning block on the transmission shaft. The aircraft tire 18 is then moved leftward to assemble with the transmission shaft, facilitating assembly of the aircraft tire 18. The stepper motor 16 is also provided with a leakage protector.

[0026] Example 2

[0027] On the basis of Example 1, a counterweight block 19 is additionally provided, and the counterweight block 19 is fixedly mounted on the right portion of the upper end of the mobile vehicle 1. Through the above arrangement, the forces on the left and right portions of the mobile vehicle 1 are more balanced, thereby improving stability.

[0028] The three-jaw chuck 2, hydraulic cylinder 3, electric turntable 8, air cylinder 12 and stepper motor 16 of the aviation tire positioning and clamping mechanism of the present invention are all purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative efforts.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An aircraft tire positioning and clamping mechanism, comprising a mobile vehicle (1) and a three-jaw chuck (2); characterized in that: The invention also includes a lifting mechanism, an angle adjustment mechanism, a left-right moving mechanism and a rotating mechanism. The angle adjustment mechanism is installed on the moving vehicle (1) through the lifting mechanism. The lifting mechanism is used to adjust the height of the angle adjustment mechanism. The left-right moving mechanism is installed on the angle adjustment mechanism. The angle adjustment mechanism is used to adjust the angle of the left-right moving mechanism. The three-jaw chuck (2) is installed on the left-right moving mechanism through the rotating mechanism. The left-right moving mechanism is used to move the rotating mechanism left-right.

2. The aircraft tire positioning and clamping mechanism according to claim 1, characterized in that: The lifting mechanism comprises a hydraulic cylinder (3), a push rod (4), a fixed column (5), a sliding column (6) and a lifting plate (7); the hydraulic cylinder (3) is fixedly mounted on the mobile vehicle (1); the output end of the hydraulic cylinder (3) is provided with a push rod (4); the fixed column (5) is fixedly mounted on the mobile vehicle (1); the lower part of the sliding column (6) is mounted on the fixed column (5) in an upward and downward sliding manner; the lifting plate (7) is fixedly mounted on the upper ends of the push rod (4) and the sliding column (6); and the angle adjustment mechanism is mounted on the upper end of the lifting plate (7).

3. The aircraft tire positioning and clamping mechanism according to claim 2, characterized in that: The angle adjustment mechanism comprises an electric turntable (8), a rotating shaft (9) and a disc (10); the electric turntable (8) is fixedly mounted on the upper end of the lifting plate (7); the rotating shaft (9) is fixedly mounted on the rotating end of the upper part of the electric turntable (8); the disc (10) is fixedly mounted on the upper end of the rotating shaft (9); and the left-right moving mechanism is mounted on the upper end of the disc (10).

4. The aircraft tire positioning and clamping mechanism according to claim 3, characterized in that: The left-right moving mechanism comprises a fixed plate (11), a cylinder (12), a moving rod (13) and a fixed frame (14), wherein the fixed plate (11) is fixedly mounted on the upper end of the disc (10), the cylinder (12) is fixedly mounted on the fixed plate (11), the moving rod (13) is mounted on the fixed plate (11) in a manner of sliding left and right, the right end of the moving rod (13) is connected to the output end of the cylinder (12), the fixed frame (14) is fixedly mounted on the left end of the moving rod (13), and the rotating mechanism is mounted on the fixed frame (14).

5. The aircraft tire positioning and clamping mechanism according to claim 4, characterized in that: The rotating mechanism comprises a mounting plate (15), a stepping motor (16) and a rotating shaft (17); the mounting plate (15) is fixedly mounted on the fixed frame (14); the stepping motor (16) is fixedly mounted on the mounting plate (15); the rotating shaft (17) is rotatably mounted on the mounting plate (15); the right end of the rotating shaft (17) is connected to the stepping motor (16); and the three-jaw chuck (2) is fixedly mounted on the left end of the rotating shaft (17).

6. The aircraft tire positioning and clamping mechanism according to claim 1, characterized in that: It also includes a counterweight (19), which is fixedly mounted on the right part of the upper end of the mobile vehicle (1).

7. The aircraft tire positioning and clamping mechanism according to claim 5, characterized in that: The stepping motor (16) is provided with a leakage protector.

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