Structure and method for adjusting position of pin shaft at tail end of container self-loading and unloading device

By introducing the ball head shaft and the telescopic arm design with pin shaft into the telescopic arm assembly of the container self-loading and unloading device, the angle of the end pin shaft can be changed, which solves the problems of poor operating conditions and low operating efficiency when working in non-straight fields of the existing devices, and improves the adaptability and efficiency of the equipment.

CN119660407AInactive Publication Date: 2025-03-21XCMG XUZHOU TRUCK MOUNTED CRANE CO LTD
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Patent Information

Application Number
CN202411935989.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-03-21
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The telescopic arm assembly of the existing container self-loading and unloading device cannot adjust the deflection angle between the end pin shaft axis and the center of the vehicle, resulting in strict requirements for ground flatness and vehicle parking accuracy when operating in non-super flat fields, poor working conditions and low working efficiency.

Method used

By designing a telescopic arm assembly, including a rotating arm frame, a basic arm, a ball head shaft, a connecting block, a telescopic arm with a pin shaft and a telescopic cylinder, the ball head shaft rotates in the rotating arm frame to achieve multi-direction rotation of the basic arm, and the terminal pin shaft position is adjusted by telescopic arm on the inner side of the basic arm through a telescopic arm with a pin shaft.

Benefits of technology

The angle of the axis of the end pin shaft is varied, which reduces the requirements for ground flatness and vehicle parking accuracy, and improves the working conditions and operating efficiency of the equipment.

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Abstract

The invention discloses a tail end pin shaft position adjusting structure of a container self-loading and unloading device, a container is self-loaded and unloaded through a telescopic arm assembly, and the telescopic arm assembly comprises a rotating arm frame, a basic arm, a ball head shaft, a connecting block, a telescopic arm with a pin shaft and a telescopic cylinder. The invention further discloses a method for adjusting the position of the pin shaft at the tail end of the container self-loading and unloading device. The angle of the axis of the pin shaft at the tail end can be changed, the requirements for the ground flatness and the vehicle parking accuracy during operation are lowered, and the working condition adaptability and the operation efficiency of equipment are improved.
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Description

Technical Field

[0001] The invention relates to the field of container self-loading and unloading devices, and in particular to a terminal pin position adjustment structure and method for container self-loading and unloading devices. Background Art

[0002] There is a great market demand for efficient transportation and self-loading and unloading of general-purpose containers. The existing self-loading and unloading device for containers is installed on the chassis of general-purpose vehicles. The two pins at the end of the device are inserted into the two oblong corner holes above the container to complete the connection and then the container loading and unloading operation is carried out. In order to meet the requirements of loading and unloading operations, it is necessary to operate on an extremely flat site and make the center plane of the vehicle chassis coincide with the center plane of the container.

[0003] The rotating arm frame and the basic arm of the telescopic arm assembly of the existing container self-loading and unloading device are welded into one piece, and the axis of the end pin is always perpendicular to the center plane of the vehicle, and it is impossible to achieve an angle between the axis and the center of the vehicle. It can only be operated on a very flat site and the center plane of the vehicle chassis must coincide with the center plane of the container. Although there is an oblong corner hole above the container, the allowable deviation is only about 10mm, which places too high requirements on the working environment.

[0004] Therefore, it is necessary to develop new methods in a targeted manner to solve the problems of poor adaptability to working conditions and low operating efficiency of existing solutions. Summary of the invention

[0005] Purpose of the invention: In view of the shortcomings and defects of the prior art, the present invention provides a structure and method for adjusting the position of the end pin shaft of a container self-loading and unloading device, which realizes the variable angle of the axis of the end pin shaft, reduces the requirements for ground flatness and vehicle parking accuracy during operation, and improves the equipment's adaptability to working conditions and operating efficiency.

[0006] Technical solution: The present invention provides a terminal pin position adjustment structure for a container self-loading and unloading device, which is characterized in that the container is self-loaded and unloaded through a telescopic arm assembly, and the telescopic arm assembly includes a rotating arm frame, a basic arm, a ball head shaft, a connecting block, a telescopic arm with a pin shaft, and a telescopic cylinder.

[0007] Wherein, the rotating arm frame is connected to the vertical arm assembly, and the rotating arm frame is connected to the basic arm through a ball head shaft.

[0008] The basic arm is a rectangular cross-section arm body, which is built inside a rotating arm frame of a rectangular structure, and the cross-sectional size of the basic arm is smaller than the size of the inner frame of the rotating arm.

[0009] Among them, the ball head shaft is an shaft with a ball head in the middle part and cylindrical on both sides. The two ends of the shaft are hinged to the two ends of the rotating arm frame to play a positioning role; the middle ball head is connected to the basic arm by a ball joint, so that the basic arm can realize multi-directional rotation relative to the rotating arm frame.

[0010] Wherein, the connecting block connects the middle ball head of the ball head shaft and the basic arm.

[0011] Among them, the pin shaft at the end of the telescopic arm with a pin shaft is connected to the two oblong corner piece holes above the container, the telescopic arm with a pin shaft is connected to the basic arm through a telescopic cylinder, and the telescopic arm with a pin shaft can be telescopically slid inside the basic arm.

[0012] Wherein, the telescopic arm assembly is connected with the vertical arm assembly and the main arm assembly in sequence.

[0013] Wherein, the main arm assembly, the vertical arm assembly and the telescopic arm assembly are located on the sub-frame assembly, and the sub-frame assembly is located on the automobile chassis.

[0014] A method for adjusting the position of a pin shaft at the end of a container self-loading and unloading device is characterized by using the pin shaft position adjustment structure at the end of the container self-loading and unloading device of the present invention.

[0015] Among them, the container is self-loaded and unloaded through the telescopic arm assembly, which includes a rotating arm frame, a basic arm, a ball head shaft, a connecting block, a telescopic arm with a pin shaft and a telescopic cylinder; the ball head shaft rotates in the rotating arm frame, thereby realizing multi-directional rotation of the basic arm relative to the rotating arm frame; the basic arm is connected to the telescopic arm with a pin shaft through the telescopic cylinder, and the telescopic arm with a pin shaft can be telescopically slid inside the basic arm, thereby adjusting the position of the end pin shaft on the telescopic arm with a pin shaft; the self-loading and unloading operation of the container is completed by changing the position of the end pin shaft and the two oblong corner piece holes above the container.

[0016] Beneficial effects: Compared with the prior art, the present invention has the following significant advantages: The present invention can realize multi-angle adjustment of the position of the end pin of the self-loading and unloading device through the combined installation of various components, mainly relying on the design of the ball head shaft. The ball head shaft rotates in the rotating arm frame, thereby realizing multi-directional rotation of the basic arm relative to the rotating arm frame. The telescopic arm with the pin shaft is telescopically slid on the inner side of the basic arm, thereby adjusting the position of the end pin shaft on the telescopic arm with the pin shaft. The self-loading and unloading operation of the container is completed by changing the position of the end pin shaft and the two oblong corner piece holes above the container. Such a design realizes that the angle of the axis of the end pin shaft can be changed, meets the use requirements of various road conditions, reduces the requirements for ground flatness and vehicle parking accuracy during operation, and improves the equipment's adaptability to working conditions and operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the container self-loading and unloading of the present invention;

[0019] Figure 3 The structure of the telescopic arm assembly of the present invention is schematically shown in FIG. Figure 1 ;

[0020] Figure 4 The structure of the telescopic arm assembly of the present invention is schematically shown in FIG. Figure 2 ;

[0021] Figure 5 The structure of the telescopic arm assembly of the present invention is schematically shown in FIG. Figure 3 ;

[0022] In the figure, 1 is a vehicle chassis; 2 is a subframe assembly; 3 is a main arm assembly; 4 is a vertical arm assembly; 5 is a telescopic arm assembly; 6 is a container; 51 is a rotating arm frame; 52 is a basic arm; 53 is a ball head shaft; 54 is a connecting block; 55 is a telescopic arm with a pin shaft; and 56 is a telescopic cylinder. DETAILED DESCRIPTION

[0023] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0024] The terminal pin position adjustment structure of the container self-loading and unloading device of the present invention performs self-loading and unloading of the container 6 through the telescopic arm assembly 5, and the telescopic arm assembly 5 includes a rotating arm frame 51, a basic arm 52, a ball head shaft 53, a connecting block 54, a telescopic arm with a pin shaft 55 and a telescopic cylinder 56. Among them, the rotating arm frame 51 is connected to the vertical arm assembly 4, and the rotating arm frame 51 is connected to the basic arm 52 through a ball head shaft 53. The basic arm 52 is an arm body with a rectangular cross section, and the basic arm 52 is built inside the frame of the rotating arm frame 51 with a rectangular structure, and the cross-sectional size of the basic arm 52 is smaller than the frame size of the rotating arm frame 51.

[0025] The ball head shaft 53 of the present invention is a shaft with a ball head in the middle and cylindrical on both sides. The two ends of the shaft are hinged with the two ends of the rotating arm frame 51 to play a positioning role; the middle ball head is connected to the basic arm 52 by a ball joint, so that the basic arm 52 can rotate in multiple directions relative to the rotating arm frame 51. The connecting block 54 connects the middle ball head of the ball head shaft 53 and the basic arm 52. The pin shaft at the end of the telescopic arm 55 with a pin shaft is connected to the two oblong corner piece holes above the container 6. The telescopic arm 55 with a pin shaft is connected to the basic arm 52 through a telescopic cylinder 56. The telescopic arm 55 with a pin shaft can telescope and slide inside the basic arm 52.

[0026] The telescopic arm assembly 5 of the present invention is connected in sequence with the vertical arm assembly 4 and the main arm assembly 3. The main arm assembly 3, the vertical arm assembly 4 and the telescopic arm assembly 5 are located on the sub-frame assembly 2, and the sub-frame assembly 2 is located on the automobile chassis 1.

[0027] The method for adjusting the position of the terminal pin of the container self-loading and unloading device of the present invention uses the terminal pin position adjustment structure of the container self-loading and unloading device of the present invention.

[0028] The container 6 is self-loaded and unloaded by the telescopic arm assembly 5, which includes a rotating arm frame 51, a basic arm 52, a ball head shaft 53, a connecting block 54, a telescopic arm 55 with a pin shaft and a telescopic cylinder 56; the ball head shaft 53 rotates in the rotating arm frame 51, thereby realizing multi-directional rotation of the basic arm 52 relative to the rotating arm frame 51; the basic arm 52 is connected to the telescopic arm 55 with a pin shaft through the telescopic cylinder 56, and the telescopic arm 55 with a pin shaft can be telescopically slid inside the basic arm 52, thereby adjusting the position of the end pin shaft on the telescopic arm 55 with a pin shaft; the self-loading and unloading operation of the container 6 is completed by changing the position of the end pin shaft and the two oblong corner piece holes above the container 6.

[0029] Through the combined installation of the above-mentioned parts, mainly relying on the design of the ball head shaft, the multi-angle adjustment of the position of the end pin of the self-loading and unloading device can be achieved. The ball head shaft rotates in the rotating arm frame, thereby realizing the multi-directional rotation of the basic arm relative to the rotating arm frame. The position of the end pin on the telescopic arm with the pin shaft is adjusted by telescopically sliding the telescopic arm with the pin shaft inside the basic arm. The self-loading and unloading operation of the container is completed by changing the position of the end pin shaft and the two oblong corner piece holes above the container. This design realizes the variable angle of the axis of the end pin shaft, meets the use requirements of various road conditions, reduces the requirements for ground flatness and vehicle parking accuracy during operation, and improves the adaptability of the equipment to working conditions and the operating efficiency.

Claims

1. A terminal pin position adjustment structure for a container self-loading and unloading device, characterized in that: The container (6) is self-loaded and unloaded by means of a telescopic arm assembly (5), wherein the telescopic arm assembly (5) comprises a rotating arm frame (51), a basic arm (52), a ball head shaft (53), a connecting block (54), a telescopic arm with a pin shaft (55) and a telescopic cylinder (56).

2. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The rotating arm frame (51) is connected to the vertical arm assembly (4), and the rotating arm frame (51) is connected to the basic arm (52) via a ball head shaft (53).

3. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The basic arm (52) is an arm body with a rectangular cross section. The basic arm (52) is built inside the frame of the rotating arm frame (51) with a rectangular structure. The cross-sectional size of the basic arm (52) is smaller than the frame size of the rotating arm frame (51).

4. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The ball head shaft (53) is a shaft with a ball head in the middle and cylindrical sides. The two ends of the shaft are hinged to the two ends of the rotating arm frame (51) to play a positioning role. The middle ball head is connected to the basic arm (52) by a ball joint, so that the basic arm (52) can rotate in multiple directions relative to the rotating arm frame (51).

5. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The connecting block (54) connects the middle ball head of the ball head shaft (53) and the basic arm (52).

6. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The pins at the ends of the telescopic arm (55) with a pin are connected to two oblong corner holes above the container (6). The telescopic arm (55) with a pin is connected to the basic arm (52) through a telescopic cylinder (56). The telescopic arm (55) with a pin can be telescopically slid inside the basic arm (52).

7. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 1 is characterized in that: The telescopic arm assembly (5) is connected to the vertical arm assembly (4) and the main arm assembly (3) in sequence.

8. The terminal pin position adjustment structure of the container self-loading and unloading device according to claim 7 is characterized in that: The main arm assembly (3), the vertical arm assembly (4) and the telescopic arm assembly (5) are located on the auxiliary frame assembly (2), and the auxiliary frame assembly (2) is located on the automobile chassis (1).

9. A method for adjusting the position of the terminal pin of a container self-loading and unloading device, characterized in that: The terminal pin position adjustment structure of the container self-loading and unloading device according to any one of claims 1 to 8 is used.

10. The method for adjusting the position of the terminal pin of a container self-loading and unloading device according to claim 9, characterized in that: The container (6) is self-loaded and unloaded by means of a telescopic arm assembly (5), wherein the telescopic arm assembly (5) comprises a rotating arm frame (51), a basic arm (52), a ball head shaft (53), a connecting block (54), a telescopic arm with a pin shaft (55) and a telescopic cylinder (56); the ball head shaft (53) rotates in the rotating arm frame (51), thereby realizing multi-directional rotation of the basic arm (52) relative to the rotating arm frame (51); The basic arm (52) is connected to the telescopic arm (55) with a pin shaft through a telescopic cylinder (56). The telescopic arm (55) with a pin shaft can be telescopically slid inside the basic arm (52), thereby adjusting the position of the end pin shaft on the telescopic arm (55) with a pin shaft; and the self-loading and unloading operation of the container (6) is completed by changing the position of the end pin shaft and the two oblong corner piece holes above the container (6).

Citation Information

Patent Citations

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