CN103434964B - Manned air winch controls gas circuit - Google Patents

Manned air winch controls gas circuit Download PDF

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Publication number
CN103434964B
CN103434964B CN201310437767.6A CN201310437767A CN103434964B CN 103434964 B CN103434964 B CN 103434964B CN 201310437767 A CN201310437767 A CN 201310437767A CN 103434964 B CN103434964 B CN 103434964B
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gas circuit
valve
protection gas
winch
pneumatic valve
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CN103434964A (en
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郭志平
谢学山
温小伟
邸加国
张河
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TAI'AN JULING EXPLORING EQUIPMENT CO Ltd
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TAI'AN JULING EXPLORING EQUIPMENT CO Ltd
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Abstract

The invention discloses a kind of manned air winch and control gas circuit; relate to the control system of winch; comprise basic controlling gas circuit and safety guard-safeguard gas circuit, described safety guard-safeguard gas circuit comprises anxious one or more combination of stopping in protection gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, braking protection gas circuit of dying and urgent release guard gas circuit.Manned air winch of the present invention controls gas circuit; comprise basic controlling gas circuit and safety guard-safeguard gas circuit; safety guard-safeguard gas circuit is mainly anxious stops protection gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, braking protection gas circuit of dying and urgent release guard gas circuit; when above-mentioned safety guard-safeguard gas circuit works; all can guarantee that winch stops fast and brakes; reliability is high; at utmost guarantee the safety of the person, property on air winch; simple to operate; control precisely; reliable, energy-conserving and environment-protective.

Description

Manned air winch controls gas circuit
Technical field
The present invention relates to the control system of winch, a kind of manned air winch controls gas circuit specifically.
Background technology
Winch is also known as winch, and using cylinder lay winding wire ropes to promote or to draw the small-sized weight-lifting equipment of weight, is the conventional machinery in a kind of industrial process.Different according to type of drive, usually winch is divided into electric winch, air winch and hydraulic wireline winch.In recent years, along with developing rapidly of Chinese Sea petroleum industry, except CNOOC, PetroChina Company Limited., China Petrochemical Industry are also starting to march marine oil field.Estimate in future, marine oil output by account for domestic petroleum, natural fuels total make 1/3rd.Manned air winch as the crucial transportation device of marine drilling platform, wide market.But this market is monopolized by external, and the domestic research about manned air winch is almost blank always.
Summary of the invention
For solving the technical matters of above-mentioned existence; the invention provides a kind of manned air winch and control gas circuit, while guarantee manned air winch normal operation, the safety problem that also may run in operational process for winch provides corresponding safety method; control precisely, reliable.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of manned air winch controls gas circuit; comprise basic controlling gas circuit; also comprise safety guard-safeguard gas circuit, described safety guard-safeguard gas circuit comprise anxious stop protecting gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, one or several combinations in braking protection gas circuit of dying and urgent release guard gas circuit.
Described urgency stops protecting gas circuit; comprise the pneumatic valve, shuttle valve one, scram button valve, Pneumatic valve one and the Pneumatic valve two that connect in turn; described Pneumatic valve two first via is connected with check valve, urgent Dump valve, storage tank; second tunnel is connected with 3 position-5 way Pneumatic valve, and the 3rd tunnel is connected with three position four-way directional control valve, shuttle valve one respectively.
Described stroke limit protection gas circuit, comprise up stroke position limitation protection gas circuit and down stroke position limitation protection gas circuit, the air hatch of described up stroke position limitation protection gas circuit controls gas side in lifting, comprises the three position four-way directional control valve, up stroke limit valve, shuttle valve two, shuttle valve three, shuttle valve four, Pneumatic valve one and the Pneumatic valve two that connect in turn; The air hatch of described down stroke position limitation protection gas circuit, transferring control gas side, comprises the three position four-way directional control valve, down stroke limit valve, shuttle valve two, shuttle valve three, shuttle valve four, Pneumatic valve one and the Pneumatic valve two that connect in turn.
Described rope creep protection gas circuit, its air hatch, transferring control gas side, comprises three position four-way directional control valve, rope creep protection valve, shuttle valve three, shuttle valve four, Pneumatic valve one and Pneumatic valve two.
Described overload protection gas circuit, comprises the Pneumatic valve three, shuttle valve four, Pneumatic valve one and the Pneumatic valve two that connect in turn, and one end of described Pneumatic valve three controls mouth connection winch and promotes admission port, and the other end controls mouth and connects overload control cock.
Described braking protection gas circuit of dying, comprise fast-discharge valve and built-in brake, described fast-discharge valve controls mouth be connected with built-in brake.
Described urgent release guard gas circuit, comprises the spare gas pot connected in turn, urgent Dump valve, shuttle valve five, fast-discharge valve and built-in brake.
Manned air winch of the present invention controls gas circuit; comprise basic controlling gas circuit and safety guard-safeguard gas circuit; safety guard-safeguard gas circuit is mainly anxious stops protection gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, braking protection gas circuit of dying and urgent release guard gas circuit; when above-mentioned safety guard-safeguard gas circuit works; all can guarantee that winch stops fast and brakes; reliability is high; at utmost guarantee the safety of the person, property on air winch; simple to operate; control precisely; reliable, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Describe the present invention below in conjunction with the drawings and specific embodiments:
Be illustrated in figure 1 a specific embodiment of the present invention; this manned air winch controls gas circuit; comprise basic controlling gas circuit and safety guard-safeguard gas circuit, described safety guard-safeguard gas circuit comprises anxious stops protection gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, braking protection gas circuit of dying and urgent release guard gas circuit.Basic controlling gas circuit be used for control winch lifting, transfer and stop, completing the basic operation of winch, its anatomical connectivity is substantially identical with common winch, repeats no longer one by one here.Safety guard-safeguard gas circuit be used for protecting winch the safety of manned or thing; when manned air winch moves to the node easily occurring safety misadventure; corresponding protection gas circuit work; winch is made to stop fast and brake; want to restart winch; the start button again must pressing winch is just passable, thus ensure that the personal safety and safety of property on winch.
Safety guard-safeguard gas circuit and working process specific as follows;
Described urgency stops protecting gas circuit; comprise the pneumatic valve 2, shuttle valve 1, scram button valve 4, Pneumatic valve 1 and the Pneumatic valve 26 that connect in turn; described Pneumatic valve 26 first via is connected with check valve 21, urgent Dump valve 19, storage tank 20; second tunnel is connected with 3 position-5 way Pneumatic valve 22, and the 3rd tunnel is connected with three position four-way directional control valve 5, shuttle valve 1 respectively.
Press start button 2, pressurized air arrives Pneumatic valve 26 through shuttle valve 1, scram button valve 4, Pneumatic valve 1.Now unclamp start button 2, shuttle valve 1 inner spool can be pushed to the side near start button 2 under pressurized air effect, and whole control gas circuit is connected.Now, three position four-way directional control valve 5 can be operated to control lifting of winch or to transfer.Press scram button valve 4, Pneumatic valve 26 control mouth compressed air is emptying, and spool resets under spring force, and main air inlet is cut off, and control gas and discharge from each valve outlet, winch quits work and brakes.
Stroke limit protection gas circuit is used for the restriction of manned air winch forced stroke length; winch is run all the time within pre-set safe range; once winch moves to end position, stroke limit protection gas circuit will work, and winch can stop and braking rapidly.If again to equidirectional operation winch, winch can be controlled gas circuit and cut off rapidly by stroke limit protection gas circuit again, ensures that reel can not move, now can only operate winch round about.
Described stroke limit protection gas circuit; comprise up stroke position limitation protection gas circuit and down stroke position limitation protection gas circuit; the air hatch of described up stroke position limitation protection gas circuit controls gas side in lifting, comprises the three position four-way directional control valve 5, up stroke limit valve 13, shuttle valve 2 11, shuttle valve 39, shuttle valve 4 14, Pneumatic valve 1 and the Pneumatic valve 26 that connect in turn.
Described up stroke position limitation protection gas circuit is identical with the principle of work of down stroke position limitation protection gas circuit, and just controlling gas, to get gas position different, below above stroke limit protect gas circuit to be that example is to introduce its principle of work.The spacing air hatch of described up stroke controls gas side in lifting, when operation three position four-way directional control valve 5 promotes, control gas and arrive up stroke limit valve 13 through three position four-way directional control valve 5, once this valve is triggered, controls gas and will arrive Pneumatic valve 1 through shuttle valve shuttle valve 2 11, shuttle valve 39, shuttle valve 4 14.Pneumatic valve 1 inner spool moves to another location under the effect of control gas, and Pneumatic valve 26 controls to control gas in mouth and is drained, and the main air inlet of winch is cut off, and control gas and discharge from each valve outlet, winch quits work and brakes.
Described rope creep protection gas circuit, for preventing owing to excessively putting the safety misadventure of restricting and causing.When weight is put to assigned address by winch, if continue to put rope, rope creep protection support can sink and trigger rope creep protection valve, and now the control gas circuit of winch and main admission line are cut off rapidly, and winch can stop and braking fast.Press start button, again operate winch and transfer, reel also can not rotate.
Described rope creep protection gas circuit, its air hatch, transferring control gas side, comprises three position four-way directional control valve 5, rope creep protection valve 10, shuttle valve 39, shuttle valve 4 14, Pneumatic valve 1 and Pneumatic valve 26.When operation three position four-way directional control valve 5 is transferred, controlling gas and arrive rope creep protection valve 10, triggering to certain position rope creep protection valve 10 when transferring, control gas and arrive Pneumatic valve 1 through shuttle valve 39, shuttle valve 4 14.Pneumatic valve 1 inner spool moves to another location under the effect of control gas, and Pneumatic valve 26 controls to control gas in mouth and is drained, and the main air inlet of winch is cut off, and control gas and discharge from each valve outlet, winch quits work and brakes.
Described overload protection gas circuit, the safety misadventure caused due to overload operation for preventing winch.The overload size of described overload protection gas circuit can regulate, and when overload is set as a certain numerical value, if now allow lifting of winch by force, overload protection gas circuit will be triggered, and control gas circuit and the main admission line of winch can be simultaneously severed, and winch is failure to actuate.
Described overload protection gas circuit; comprise the Pneumatic valve 37, shuttle valve 4 14, Pneumatic valve 1 and the Pneumatic valve 26 that connect in turn; one end of described Pneumatic valve 37 controls mouth connection winch and promotes admission port; the other end controls mouth and connects overload control cock 15, and the moving direction of Pneumatic valve 37 spool depends on the pressure controlling mouth both sides.When lifting of winch inlet pressure is greater than overload control cock 15 lateral pressure time, spool moves, and controls gas and arrives Pneumatic valve 1 through Pneumatic valve 37, shuttle valve 4 14.Control valve 1 inner spool moves to another location under the effect of control gas, and Pneumatic valve 26 controls to control gas in mouth and is drained, and the main air inlet of winch is cut off, and control gas and discharge from each valve outlet, winch quits work and brakes.
Described braking protection gas circuit of dying, interrupts suddenly for preventing source of the gas in man-riding winch's normal operation process, brake responds not in time and by people or thing from the danger throwing in the air.Due to the existence of braking protection gas circuit of dying, during source of the gas involuntary interrupt, the inner oil-immersed multi-disk brake of winch can be braked rapidly, thus protects the safety by manned or thing to greatest extent.
Described braking protection gas circuit of dying, comprise fast-discharge valve 18 and built-in brake 17, described fast-discharge valve 18 controls mouth with built-in brake 17 and is connected.If died suddenly when winch normally works, pressurized air declines rapidly due to winch autophage pressure, controls the fast-discharge valve 18 that mouth is connected rapidly by emptying for built-in brake 17 compressed air, can make winch snap catch with built-in brake 17.
Described urgent release guard gas circuit, interrupts suddenly people or thing to be suspended at cannot transfer in midair for preventing source of the gas in man-riding winch's normal operation process.Meet this situation, first external for winch assist brake (hand-operated brake) will be operated to the position of brake and locked; Then operate urgent Dump valve to open the inner oil-immersed multi-disk brake of winch, control winch with external assist brake (hand-operated brake) and people or thing are transferred to perch.After having transferred, again external for winch assist brake (hand-operated brake) is operated to normal danger and locked, then by urgent relief valve operation to the position of closing.
Described urgent release guard gas circuit, comprises the spare gas pot 20 connected in turn, urgent Dump valve 19, shuttle valve 5 23, fast-discharge valve 18 and built-in brake 17.When occurring that emergency case needs promptly to discharge during winch work, need first parking brake 16 is operated to the position of brake and locked, carry on urgent Dump valve 19, spare gas pot 20 compressed air can enter built-in brake 17 and open it through urgent Dump valve 19, shuttle valve 5 23, fast-discharge valve 18.After built-in brake 17 is opened, can under the control of parking brake 16 by people or thing safe release to ground.
Above-mentioned six safety guard-safeguard gas circuits, can be used as an overall system control, also can using one of them or several combinations as independent or group control unit, and the actual conditions according to manned air winch design.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.

Claims (1)

1. a manned air winch controls gas circuit; comprise basic controlling gas circuit; it is characterized in that; also comprise safety guard-safeguard gas circuit; described safety guard-safeguard gas circuit comprises anxious stops protection gas circuit, stroke limit protection gas circuit, rope creep protection gas circuit, overload protection gas circuit, braking protection gas circuit of dying and urgent release guard gas circuit
Described urgency stops protecting gas circuit, comprise the pneumatic valve (2), shuttle valve one (3), scram button valve (4), Pneumatic valve one (8) and the Pneumatic valve two (6) that connect in turn, described Pneumatic valve two (6) first via is connected with check valve (21), urgent Dump valve (19), storage tank (20), second tunnel is connected with 3 position-5 way Pneumatic valve (22), and the 3rd tunnel is connected with three position four-way directional control valve (5), shuttle valve one (3) respectively;
Described stroke limit protection gas circuit, comprise up stroke position limitation protection gas circuit and down stroke position limitation protection gas circuit, the air hatch of described up stroke position limitation protection gas circuit controls gas side in lifting, comprises the three position four-way directional control valve (5), up stroke limit valve (13), shuttle valve two (11), shuttle valve three (9), shuttle valve four (14), Pneumatic valve one (8) and the Pneumatic valve two (6) that connect in turn;
The air hatch of described down stroke position limitation protection gas circuit, transferring control gas side, comprises the three position four-way directional control valve (5), down stroke limit valve (12), shuttle valve two (11), shuttle valve three (9), shuttle valve four (14), Pneumatic valve one (8) and the Pneumatic valve two (6) that connect in turn;
Described rope creep protection gas circuit, its air hatch, transferring control gas side, comprises three position four-way directional control valve (5), rope creep protection valve (10), shuttle valve three (9), shuttle valve four (14), Pneumatic valve one (8) and Pneumatic valve two (6);
Described overload protection gas circuit, comprise the Pneumatic valve three (7), shuttle valve four (14), Pneumatic valve one (8) and the Pneumatic valve two (6) that connect in turn, one end of described Pneumatic valve three (7) controls mouth connection winch and promotes admission port, and the other end controls mouth and connects overload control cock (15);
Described braking protection gas circuit of dying, comprise fast-discharge valve (18) and built-in brake (17), described fast-discharge valve (18) controls mouth with built-in brake (17) and is connected;
Described urgent release guard gas circuit, comprises the spare gas pot (20) connected in turn, urgent Dump valve (19), shuttle valve five (23), fast-discharge valve (18) and built-in brake (17).
CN201310437767.6A 2013-09-24 2013-09-24 Manned air winch controls gas circuit Active CN103434964B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107188061B (en) * 2016-03-15 2019-06-04 辽宁陆海石油装备研究院有限公司 A kind of pneumatic man-riding winch's control system
CN108313915B (en) * 2018-02-13 2024-03-15 湖南九虎智能科技有限公司 Winch automatic braking system
CN110104574A (en) * 2019-05-22 2019-08-09 泰安巨菱钻探装备有限责任公司 A kind of pneumatic machinery control gas circuit of changeable
CN113830692A (en) * 2021-10-16 2021-12-24 辽宁泰合实业股份有限公司 Manned carries thing air winch remote control system

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Publication number Priority date Publication date Assignee Title
JP2002255486A (en) * 2001-03-01 2002-09-11 Sumitomo Heavy Industries Construction Crane Co Ltd Device for controlling winch of excavator
CN201545644U (en) * 2009-11-18 2010-08-11 中国电力科学研究院 Hydraulic milling machine
CN201980925U (en) * 2010-10-19 2011-09-21 泰安巨菱钻探装备有限责任公司 Air distributing device for air-break brake of air winch
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CN202625701U (en) * 2012-04-03 2012-12-26 泰安巨菱钻探装备有限责任公司 Safe and remote hand control valve
CN202912617U (en) * 2012-11-15 2013-05-01 江苏威和重工有限公司 Stroke limiting valve of hydraulic hoisting equipment
CN203529836U (en) * 2013-09-24 2014-04-09 泰安巨菱钻探装备有限责任公司 Manned air winch control air channel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002255486A (en) * 2001-03-01 2002-09-11 Sumitomo Heavy Industries Construction Crane Co Ltd Device for controlling winch of excavator
CN201545644U (en) * 2009-11-18 2010-08-11 中国电力科学研究院 Hydraulic milling machine
CN201980925U (en) * 2010-10-19 2011-09-21 泰安巨菱钻探装备有限责任公司 Air distributing device for air-break brake of air winch
CN202465150U (en) * 2012-02-19 2012-10-03 烟台市石油机械有限公司 Remote control integrated pneumatic control system for air winch
CN102633200A (en) * 2012-04-03 2012-08-15 泰安巨菱钻探装备有限责任公司 Pneumatic control module
CN202625701U (en) * 2012-04-03 2012-12-26 泰安巨菱钻探装备有限责任公司 Safe and remote hand control valve
CN202912617U (en) * 2012-11-15 2013-05-01 江苏威和重工有限公司 Stroke limiting valve of hydraulic hoisting equipment
CN203529836U (en) * 2013-09-24 2014-04-09 泰安巨菱钻探装备有限责任公司 Manned air winch control air channel

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Denomination of invention: Control air channel of manned air winch

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