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Connecting rod type interlocking mechanism for crane

A technology of interlocking mechanism and connecting rod, which is applied to cranes and other directions, can solve the problems of not being able to adapt to the current production situation, and achieve the effects of easy disassembly, stable and reliable performance, and convenient installation and maintenance

Active Publication Date: 2010-06-02
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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  • Connecting rod type interlocking mechanism for crane
  • Connecting rod type interlocking mechanism for crane
  • Connecting rod type interlocking mechanism for crane

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 and figure 2 As shown, the entire mechanism adopts a left-right symmetrical structure with respect to the telescopic oil cylinder 10 on the telescopic pin mechanism 11, and the two symmetrical parts move independently of each other. The support 5 is fixed on the upper plane of the telescopic pin mechanism 11, and is on the same horizontal plane as the bearing pins 8 and the pin pulling plates 7 on the left and right sides. The power transmission shaft 1 is fixed together with the telescopic pin 9, and the connecting seat 2 is installed on the power transmission shaft 1 and is compressed by a nut. Between the support 5 and the locking plate 4, between the locking plate 4 and the connecting rod 3, and between the connecting rod 3 and the connecting seat 2 are hinged by pins 6.

[0015] If the telescopic pin 9...

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Abstract

The invention discloses a connecting rod inter-locking mechanism for crane, which includes an expansion pin mechanism (11), an expansion pin (9), a bearing pin (8) and a pin drawing plate (7); a transmission shaft (1) and a connecting seat (2) are fixedly arranged on the expansion pin (9); a support (5) which is in the same plane with the bearing pin (8) and the pin drawing plate (7) is fixed on the expansion pin mechanism (11); one end of a connecting rod (3) is hinged with the connecting seat (2) and the other end is hinged with one end of a lock plate (4); the other end of the lock plate (4) is hinged with the support (5). The invention is a connecting rod inter-locking mechanism for cranes which has the advantages of simple and compacted structure, convenience in installation and maintenance, stable and reliable performance, and the improved safety of the mechanism. Different from any other products, the invention adopts a novel structure form, has advanced quality, and is widely applicable in series products of large-tonnage crane.

Description

technical field [0001] The invention mainly relates to the field of cranes, in particular to a link type interlocking 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 pin I from the pin hole,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C23/687
Inventor 颜颢
Owner ZOOMLION HEAVY IND CO LTD
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