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Clamp synchronous control system, clamp device and drilling machine

A synchronous control and clamp technology, applied in the direction of fluid pressure actuating device, drill pipe, drill pipe, etc., can solve problems such as damage to the threaded end of the drill pipe and low shackle efficiency, so as to increase the unloading function and improve the safety. , the effect of reducing the probability of falling

Pending Publication Date: 2021-11-30
JIANGSU XCMG CONSTR MASCH RES INST LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the deficiencies in the prior art, the present invention provides a clamp synchronous control system, a clamp device and a drilling rig, which have the characteristics that the left and right oil cylinders of the clamp can maintain synchronous expansion and contraction under different loads, and solve the problem of making up and breaking out. The threaded end of the drill pipe is damaged and the breakout efficiency is low

Method used

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  • Clamp synchronous control system, clamp device and drilling machine
  • Clamp synchronous control system, clamp device and drilling machine
  • Clamp synchronous control system, clamp device and drilling machine

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A clamp synchronous control system, including: an oil supply unit, used to provide hydraulic oil required for work; a synchronous control valve block, used to balance the hydraulic oil flowing to each clamp, so as to maintain the clamping cylinders of each clamp synchronized movement.

[0025] Such as figure 1 , figure 2 As shown, the oil supply unit includes an engine (or motor) 101, the engine 101 is connected to the hydraulic pump 103, the oil suction port of the hydraulic pump 103 communicates with the hydraulic oil tank 102, and the oil outlet of the hydraulic pump 103 is connected to the P port of the multi-way valve 104. (high pressure port), the T port (low pressure port) of the multi-way valve 104 is connected with the hydraulic oil tank 102 ; the oil outlet of the multi-way valve 104 is connected with the synchronous control valve block 107 .

[0026] The MF port, MS port, SS port and SF port of the synchronous control valve block 107 are respectively conne...

Embodiment 2

[0033] Based on the clamp synchronous control system described in the first embodiment, this embodiment provides a clamp device configured with the clamp synchronous control system described in the first embodiment.

[0034] Such as image 3 As shown, the clamp device includes clamp one 302 installed on the clamp base 304, clamp two 303, clamp rotary cylinder 106 and guide device 301; clamp rotary cylinder 106 is hinged with clamp two 303; clamp one 302 Including clamp-left clamping oil cylinder 105-1, clamp-right clamping oil cylinder 105-2, clamp-1 installed on clamp-left clamping oil cylinder 105-1 and clamp-right clamping oil cylinder 105-2 Tiger tooth seat 302-2; clamp 2 303 includes clamp 2 left clamping oil cylinder 105-3, clamp 2 right clamping oil cylinder 105-4, installed on clamp 2 left clamping oil cylinder 105-3 and clamp 2 right Clamp two cane teeth seat 303-2 of clamping oil cylinder 105-4.

Embodiment 3

[0036] Based on the clamp synchronous control system described in the first embodiment and the clamp device described in the second embodiment, this embodiment provides a drilling rig, and the drilling machine is equipped with the clamp device described in the second embodiment.

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Abstract

The invention discloses a clamp synchronous control system, a clamp device and a drilling machine in the technical field of clamp control. The clamp synchronous control system comprises an oil supply unit and synchronous control valve blocks; the oil supply unit is used for providing hydraulic oil required by work; and the synchronous control valve blocks are used for balancing the hydraulic oil flowing to each clamp so as to keep the synchronous movement of each clamping oil cylinder of each clamp. The synchronous control valve blocks are arranged between the oil supply unit and the clamp clamping oil cylinders, the synchronous control valve blocks are used for balancing hydraulic oil flowing to the clamps so as to keep synchronous movement of the clamping oil cylinders of the clamps, and the clamp synchronous control system has the advantage that the left oil cylinder and the right oil cylinder of the clamps can keep synchronous telescopic under the condition of different loads, and the problems that a threaded end of a drill rod is damaged during screwing-on and screwing-off, and the screwing-off efficiency is low are solved.

Description

technical field [0001] The invention belongs to the technical field of clamp control, and in particular relates to a clamp synchronous control system, a clamp device and a drilling machine. Background technique [0002] The multi-functional drilling rig is a kind of equipment used for foundation pit micropile, foundation pit support, water conservancy and hydropower engineering reinforcement, slope anchoring, pipe shed support, tunnel grouting, geological exploration, high-pressure rotary grouting and other constructions. The clamp device is an important part of the drilling rig, and it is also the most frequently used device in the construction process. At present, during the use of existing drilling rigs, the left and right cylinders of the clamps are out of sync and unable to maintain pressure, which not only damages the drill pipe, affects the efficiency of make-up and breakout, and causes construction accidents of rod drop, but also seriously affects the construction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B19/16F15B11/22F15B1/02
CPCE21B19/165F15B11/22F15B1/02
Inventor 张中华李勇刘坤昊侯杭州戴真真王鹏
Owner JIANGSU XCMG CONSTR MASCH RES INST LTD
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