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Insert and pull connection structure, supporting leg and frame connection assembly and crane

A technology of plug-in connection and connection components, which is applied in the direction of cranes, etc., can solve the problems of time-consuming and labor-intensive installation and disassembly of the connection and disassembly of the oil cylinder and the frame, and the difficulty of installing the upper and lower bolts, so as to improve the installation efficiency and save manpower. Effect

Active Publication Date: 2019-10-01
SANY AUTOMOBILE HOISTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a plug-in connection structure, a leg-frame connection assembly and a crane, so as to solve the difficulty in installing the upper and lower pins when the existing frame is connected to the outriggers, and the installation and disassembly of the lower pins It is necessary to connect and disassemble the oil circuit between the oil cylinder and the frame, which is a time-consuming and laborious technical problem

Method used

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  • Insert and pull connection structure, supporting leg and frame connection assembly and crane
  • Insert and pull connection structure, supporting leg and frame connection assembly and crane
  • Insert and pull connection structure, supporting leg and frame connection assembly and crane

Examples

Experimental program
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Effect test

Embodiment 1

[0049] image 3It is a schematic structural diagram of the frame of the lifting equipment provided by the embodiment of the present invention in a perspective, Figure 4 A schematic view of the structure of the outriggers of the lifting equipment provided by the embodiment of the present invention in a perspective, Figure 5 A schematic structural diagram of the plug-in connection structure provided by the embodiment of the present invention in a perspective, and Fig. 6 is a schematic diagram provided by the embodiment of the present invention Figure 5 exploded view of ; see Figure 3-6 As shown, this embodiment provides a plug-in connection structure, which is used to connect the vehicle frame 1 to the outrigger 2.

[0050] The plug-in connection structure includes a two-way oil cylinder 3, an upper bolt 4 and a lower bolt 5, and the first end of the two-way oil cylinder 3 is used to drive the upper bolt 4, so that the upper part of the vehicle frame 1 is connected to the ...

Embodiment 2

[0058] see Figure 3-8 As shown, this embodiment provides a connection assembly between the outrigger and the frame, and this embodiment includes the frame, the outrigger and the plug-in connection structure described in Embodiment 1;

[0059] Wherein, the upper and lower positions of the vehicle frame 1 are provided with frame shaft holes 11, and the upper and lower positions of the legs 2 are provided with leg shaft holes 21 coaxial with the frame shaft holes 11; The upper pin 4 is used to pass through the upper position of the leg shaft hole 21 and the frame shaft hole 11 so that the frame 1 is connected to the upper part of the leg 2; the lower pin 5 It is used to pass through the leg shaft hole 21 at the lower position and the frame shaft 11 hole so that the frame 1 is connected to the lower part of the leg 2 .

[0060] Figure 9 For a schematic view of the structure of the rotary pallet provided by the embodiment of the present invention at a viewing angle, please refe...

Embodiment 3

[0067] This embodiment provides a crane, which includes the outrigger and frame connection assembly described in Embodiment 2.

[0068] For example, the crane in this embodiment includes a vehicle frame, outriggers and a plug-in connection mechanism. The plug-in connection structure includes a two-way oil cylinder, an upper bolt and a lower bolt, and the first end of the two-way oil cylinder is used to drive the upper bolt. , so that the upper part of the frame is connected to the upper part of the leg through the upper pin, and the second end of the two-way oil cylinder is used to drive the lower pin, so that the lower part of the frame is connected to the The lower part of the leg is connected by the lower pin;

[0069] The two-way oil cylinder is installed on the frame, and the upper and lower positions of the frame are provided with frame shaft holes, and the upper and lower positions of the legs are provided with legs coaxial with the frame shaft holes. shaft hole; the u...

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Abstract

The invention discloses an insert-pull connection structure, a supporting leg and a frame connection assembly and a crane. The insert-pull connection structure is used for enabling a frame to be connected with the supporting leg, the insert-pull connection structure comprises a bidirectional oil cylinder, an upper bolt and a lower bolt, wherein the first end of the bidirectional oil cylinder is used for driving the upper bolt, so that the upper part of the frame is connected with the upper part of the supporting leg through the upper bolt, the second end of the bidirectional oil cylinder is used for driving the lower bolt, so that the lower part of the frame is connected with the lower part of the supporting leg through the lower bolt. The supporting leg and the frame connection assembly and the crane comprises the above insert-pull connection structure, so that the problems that a traditional frame is connected with the supporting leg and the traditional frame is also connected with the supporting leg during the dismantle process and the disassemble of an oil channel are solved, so that the mounting and dismounting efficiencies of the frame and the supporting legs are improved, and the labor is saved.

Description

technical field [0001] The invention belongs to the technical field of hoisting equipment, and in particular relates to a plug-in connection structure, an outrigger and vehicle frame connection assembly and a crane. Background technique [0002] The outrigger is one of the main parts of the lifting equipment. Its function is to increase the supporting base of the lifting equipment, reduce the burden on the tires, improve the stability of the vehicle against overturning, and thus increase the lifting capacity. For large-tonnage and super-large-tonnage lifting equipment, the weight of the whole vehicle usually reaches more than 50 tons. In order to reduce the weight of the lifting equipment during transfer, the outriggers need to be removed and transported separately. The outriggers are connected to the frame of the lifting equipment during operation. Get up and remove the outriggers when the work is done. [0003] figure 1 It is a structural schematic diagram of the separat...

Claims

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Application Information

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IPC IPC(8): B66C23/62B66C23/78
CPCB66C23/62B66C23/78
Inventor 李安强张志敏吴丰飞
Owner SANY AUTOMOBILE HOISTING MACHINERY
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