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Clamp type hoisting mechanism

A tong-type and tong-rod technology, which is used in drilling equipment, earth-moving drilling, drill pipes, etc., can solve the problems of high structural requirements and single function of drilling tools, and achieve the advantages of less mutual restriction, simple and reliable process, and convenient and simple maintenance. Effect

Inactive Publication Date: 2014-09-03
JIANGSU WUXI MINERAL EXPLORATION MASCH GENERAL FAB CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main function of the lifting mechanism is to realize the clamping and lifting of the drill pipe. The traditional lifting mechanism mostly adopts the snap ring type, climbing rod type and other structures, which have single functions and high requirements on the structure of the drilling tool.

Method used

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  • Clamp type hoisting mechanism
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  • Clamp type hoisting mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0029] As shown in the figure: the clamp-type lifting mechanism in the embodiment is mainly composed of lifting ring body 1, lifting shaft 2, hexagonal grooved nut 3, washer 4, dust cover 5, first pin shaft 6, left pull rod 7, right Pull rod 8, second pin shaft 9, left clamp rod 10, right clamp rod 11, third pin shaft 12, left connecting plate 13, right connecting plate 14, right seat body 15, torsion spring 16, shaft 17, right block 18. Left seat body 19, left block 20, cotter pin 21, one-way thrust ball bearing 22, cotter pin 23, washer 24, small shaft 25, set screw with tapered end 26, stopper 27, pull pin 28 and cylinder Parts such as pin 29 are formed.

[0030] Such as Figure 1~Figure 3 As shown, the lifting ring body 1 is provided with a shaft hole, and the lifting shaft 2 is installed in the shaft hole. The upper end of the lifting shaft 2 is fitted w...

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PUM

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Abstract

The invention relates to a pincer-type lifting mechanism, which includes a lifting ring body, a lifting shaft, a clamping mechanism, a left connecting plate, a right connecting plate, a lifting seat, a stopper, a left clamping block and a right clamping block; the lifting ring There is a shaft hole on the body, and the lifting shaft is installed in the shaft hole and can rotate freely; the clamp mechanism is suspended on the lower end of the lifting shaft, and the clamp mechanism is fixedly connected to the lifting seat, and the lifting seat is used for For clamping drill pipe joints. The pliers-type lifting mechanism of the present invention can reliably realize the clamping of the drill pipe through the left and right clamping blocks that can be turned over in one direction to clamp the joint, and at the same time use the torsion spring to compress and self-lock, and the process is simple and reliable, and There are few mutual constraints between the parts, and the maintenance is convenient and simple; when unloading the drill pipe, it is only necessary to spin and pull out the cylindrical pin.

Description

technical field [0001] The invention relates to a device for extracting drilling tools in the process of drilling construction, in particular to a device that relies on a freely rotatable clamp-type mechanism to suspend left and right clamping blocks that can be turned over in one direction to achieve clamping of drill pipe joints The utility model relates to a clamp-type lifting mechanism with high function, which belongs to the technical field of drilling rigs and drilling tools in engineering machinery. Background technique [0002] The working environment of the drilling rig is very harsh, and the parts and structures of all mechanisms should be simple, practical and reliable as the final design principles; it is required to be easy to install and disassemble, and easy to maintain. [0003] The main function of the lifting mechanism is to realize the clamping and lifting of the drill pipe. The traditional lifting mechanism mostly adopts structures such as snap rings and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/02
Inventor 朱利根
Owner JIANGSU WUXI MINERAL EXPLORATION MASCH GENERAL FAB CO LTD
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