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Anticollision system of roller bridge applicable in well servicing unit in ocean and control method

A workover rig and anti-collision technology, which is applied to earthwork drilling, drilling equipment, clockwork mechanism, etc., can solve the problem of low safety and achieve the effect of safe operation

Inactive Publication Date: 2009-06-17
CNOOC TIANJIN BRANCH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Therefore, in the known technology, the crown block anti-collision system of the workover rig is a single control system, only the two-position on-off valve for anti-collision and emergency brake are set, the auxiliary brake cylinder works independently, and the two-position on-off valve for anti-collision does not Auxiliary brake cylinder linkage, low safety

Method used

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  • Anticollision system of roller bridge applicable in well servicing unit in ocean and control method
  • Anticollision system of roller bridge applicable in well servicing unit in ocean and control method

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Embodiment Construction

[0040] see figure 2, the present invention is mainly composed of manual reset and three-position four-way reversing valve 1, manual reset for emergency braking and two-position three-way valve 2, combined pressure regulating valve operated by main drum 4, anti-collision The two-position on-off valve 5, the winch brake cylinder 9, the first quick discharge valve 10, the second quick discharge valve 10', the second rib valve 11', the normally open relay 12, the first normally closed relay 13, the second normally Closing relay 13', auxiliary brake cylinder 14, hand wheel pressure regulating valve for auxiliary brake control 3, main drum air guiding tap 15, manual reset and two-position three-way valve for heavy bell anti-collision 6, hydraulic control solenoid valve 7, electric The air control valve 8, the first rib valve 11, the second rib valve 11' and the third rib valve 11" are composed of components such as pipelines and steel ropes. Among them, the combined pressure regula...

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Abstract

A fending system of traveling crane for maintenance of trepan on ocean comprises main air pipe, normally closed relay, brake cylinder of hoister, manual three-position four-way switching valve, fast discharge valve, main roller air guiding tap, two-position three-way valve, corrugated valve, auxiliary brake cylinder, normally opened relay, integrated pressure regulation valve and engine throttle. The system ensures operational safety and decreases accident to be minmum level.

Description

technical field [0001] The invention relates to a workover rig crane, in particular to a crane anti-collision system for a workover rig. Background technique [0002] see figure 1 , in the known technology, the crane anti-collision system is mainly composed of manual reset and three-position four-way reversing valve (1) for crane anti-collision reset, manual reset of emergency brake and two-position three-way valve (2), Combined pressure regulating valve (4) operated by the main drum, anti-collision two-position on-off valve (5), winch brake cylinder (9), first quick discharge valve (10), second quick discharge valve (10'), Second edge valve (11'), normally open relay (12), first normally closed relay (13), second normally closed relay (13'), auxiliary brake cylinder (14), handwheel pressure regulation for auxiliary brake control Valve (3), components such as the main drum air guide tap (15), pipelines, steel ropes, etc. are formed. Use the following connection methods: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B19/00B66D1/54
Inventor 欧阳隆绪黄庆玉姜伟杨寨张勇尹永晶刘海伟唐德志
Owner CNOOC TIANJIN BRANCH