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Transverse double-connecting rod type carrying pin mobile mechanism for crane

A plug-in mechanism and bearing pin technology, applied in cranes and other directions, can solve problems such as being unable to adapt to the current production situation, and achieve the effects of easy disassembly, stable and reliable performance, high reliability and high efficiency.

Active Publication Date: 2008-07-09
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the understanding of various existing latch mechanisms, the existing technology cannot adapt to the production status of our factory, so we need to develop a series of latch mechanism products with independent intellectual property rights

Method used

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  • Transverse double-connecting rod type carrying pin mobile mechanism for crane

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0016] As shown in Figures 1 and 2, a first bearing pin 12 and a second bearing pin 14 are arranged symmetrically on both sides of the telescopic oil cylinder 15, and the first bearing pin 12 and the second bearing pin 14 are symmetrically arranged at the tail of the boom. The spring bears outwards and is in the latch state. The first support 3 and the second support 17 are fixed on both sides of the top of the telescopic oil cylinder 15, the middle part of the first swing link 2 and the second swing link 16 is provided with a mounting hole, the first swing link 2 and the second swing link 16 is installed on the first support 3 and the second support 17 respectively through the first pin 4 and the second pin 18. One end of the first fork 2 band shaft can enter the middle of the first pin-pull plate 1, and one end of the second fork 1...

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Abstract

The invention discloses a horizontal double connecting rod bearing pin insert-draw mechanism for cranes; a first pin drawing plate (1) and a second pin drawing plate (13) are respectively fixed on a bearing pin (12) and a second bearing pin (14); an expansion oil cylinder (15) is provided with a power oil cylinder (9); the piston rod of the power oil cylinder (9) is hinged with a first connecting rod (5) and one end of a second connecting rod (19) and provided with a spring reset mechanism and a limit mechanism; the expansion oil cylinder (15) is hinged with a first swing rod (2)and a second swing rod (16); one end of the first swing rod (2) is drivingly connected with the first pin drawing plate (1), and the other end is hinged with the first connecting rod (5); one end of the second swing rod (16) is drivingly connected with the second pin drawing plate (13) and the other end is hinged with the second connecting rod (19). The invention is a horizontal double connecting rod bearing pin insert-draw mechanism for cranes which has the advantages of simple and compacted structure, convenience in installation and maintenance, stable and reliable performance, and the improved efficiency of the complete machine, and is widely applicable in the series products of large-tonnage crane.

Description

technical field [0001] The invention mainly relates to the field of cranes, in particular to a transverse double-link bearing pin insertion mechanism for cranes. Background technique [0002] At present, the box-shaped main boom of large-tonnage and super-large-tonnage truck cranes at home and abroad generally adopts a single-cylinder latch telescopic mechanism. This type of telescopic mechanism is mainly composed of a latch mechanism, telescopic oil cylinder, bearing pin on the boom and other accessories. The latch mechanism is a key component of the telescopic mechanism. [0003] The latch mechanism is mainly composed of a telescopic pin mechanism, a load-bearing pin insertion mechanism and an interlocking mechanism between the two. 2. The bearing pin 1 is fixed on the tail of the first telescopic arm, and the first telescopic arm is connected to the basic arm by inserting into the pin hole on the basic arm. 3. The bearing pin insertion mechanism pulls out the bearing pi...

Claims

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Application Information

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IPC IPC(8): B66C23/687
CPCB66C23/708
Inventor 张建军颜颢熊明
Owner ZOOMLION HEAVY IND CO LTD
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