CN-116513998-B - Novel remote-near double-control safety operation control method for pneumatic winch

Abstract

The invention relates to a novel remote-near double-control safe operation control method of a pneumatic winch, which comprises a first hand-operated valve, a first pneumatic control valve, a second pneumatic control valve, a third pneumatic control valve, a fourth pneumatic control valve, a first one-way valve, a single throttle valve and a quick-release valve, wherein the control gas circuit of the manned pneumatic winch comprises a basic control gas circuit and a safety protection gas circuit, the safety protection gas circuit mainly comprises an emergency stop protection gas circuit, a travel limit protection gas circuit, a rope loosening protection gas circuit, an overload protection gas circuit, a gas-break brake protection gas circuit and an emergency release protection gas circuit, when the safety protection gas circuit acts, the winch can be ensured to stop and brake rapidly, the reliability is high, the safety of personnel and property on the pneumatic winch is ensured to the greatest extent, the operation is simple, the control is accurate, the operation is reliable, and the energy conservation and the environment protection are realized.

Inventors

• XIE XUESHAN
• HAN HUIYONG
• SHAO BO
• ZHANG HE
• YANG PING

Assignees

• 泰安巨菱钻探装备有限责任公司

Dates

Publication Date

20260505

Application Date

20230608

Claims (3)

1. 1. The novel pneumatic winch far-near double-control safe operation control method is characterized by comprising a first hand-pulled valve (01), a first pneumatic valve (02), a second pneumatic valve (03), a third pneumatic valve (04), a fourth pneumatic valve (05), a first one-way valve (06), a single throttle valve (07), a quick-release valve (08), a fifth pneumatic valve (09), a first shuttle valve (10), a second shuttle valve (11), a third shuttle valve (12), a fourth shuttle valve (13), a fifth shuttle valve (14), a sixth shuttle valve (15), a remote control system (20), a local control system (30), a limit protection gas circuit (40), Overload protection gas circuit (50), emergent release gas circuit (60), associated system, remote control system (20) include first button valve (21), second button valve (22), first scram valve (23), seventh shuttle valve (24), first start-up valve (25), local control system (30) include manual switching-over valve (31), second scram valve (32), eighth shuttle valve (33), second start-up valve (34), spacing protection gas circuit (40) include mechanical valve (41), ninth shuttle valve (42), tenth shuttle valve (43), first mechanical valve (44), second mechanical valve (45), overload protection gas circuit (50) include sixth pneumatic control valve (51), The emergency release gas circuit (60) comprises a second one-way valve (61), a second hand-pulling valve (62), a charging nozzle (63) and a gas storage tank (64), the association system comprises a compressed air source Y, a motor M of the winch, a gas-break brake device S of the winch and a manual auxiliary brake device S1 of the winch, a main gas circuit of the compressed air source Y is respectively connected to the first hand-pulling valve (01), the second one-way valve (61) of the emergency release gas circuit (60) and a third gas control valve (04), the main gas circuit connected to the third gas control valve (04), the third gas control valve (04) and a fifth gas control valve (09) are required to be matched with the maximum consumption of the motor M, and one gas control port of the sixth gas control valve (51) is connected to a third gas control valve (05), The novel remote-near double-control safe operation control method for the pneumatic winch comprises the following steps that ① is used for manually controlling a first hand-pulled valve (01) to be switched to a local control state, at the moment, a control air source also reaches an air control port of the first air control valve (02), a seventh air control valve (2) is used for communicating a manual reversing valve (31) of a local control system (30) with an outlet of a third air control valve (04), but an air inlet of the third air control valve (04) is still in a closed state, the operation of the winch cannot be controlled by operating the manual reversing valve (31), and when a second starting valve (34) is pressed, ② is used for controlling the air source to pass through an eighth shuttle valve (33), The second emergency stop valve (32), the fifth shuttle valve (14) and the second pneumatic control valve (03) reach the pneumatic control port of the third pneumatic control valve (04) to push the valve to change direction, the main air source reaches the outlet of the valve, then reaches the air inlet of the fifth pneumatic control valve (09), the valve reaches the air inlet of the manual change valve (31) through the first pneumatic control valve (02) and pushes the eighth shuttle valve (33) to change direction, the air outlet channel leading to the second starting valve (34) which is reset after changing direction is blocked and kept, at the moment, the manual change valve (31) is operated, the control air source changes direction through the air outlet of the manual change valve (31), the two pneumatic control ports of the third shuttle valve (12) or the fourth shuttle valve (13) to the fifth pneumatic control valve (09), the main air source compressed air reaches the air inlet and the air outlet of the motor M, and the air outlet of the fifth pneumatic control valve (09) compressed air through the second shuttle valve (11), a third shuttle valve (12), When the manual reversing valve (31) returns to the middle position, the manual reversing valve (31) and the fifth pneumatic valve (09) are both in a middle leakage function, the two air inlet and outlet ports of the motor M are in air leakage stop operation, meanwhile, a control air path of the air-break braking device S is communicated with the atmosphere and is used for realizing braking through the quick air discharge of the quick air discharge valve (08), and the method further comprises the following steps that when emergency is met in the working process of ③, the manual reversing valve (31) is blocked and cannot return to the middle position, the second emergency stopping valve (32) is quickly shot, and the pneumatic control port of the third pneumatic control valve (04) is connected with the second pneumatic control valve (03), the fifth shuttle valve (14) and the second emergency stop valve (32) are in air discharge and pressure relief, the third air control valve (04) is in reversing interruption to supply air to the manual reversing valve (31) and the fifth air control valve (09) and exhaust, the winch stops running, meanwhile, a control air path of the air break braking device S is also rapidly exhausted and braking is implemented, so that operation safety is ensured, and the method further comprises the following steps that ④ when the air path of the first hand-pulling valve (01) is communicated with the remote control system (20), an air control port of the first air control valve (02) is in a zero pressure state, the seventh air control valve (2) is in normal communication, and a first button valve (21) of the remote control system (20) is already in communication with, The air inlet of the second button valve (22) is communicated with the outlet of the third pneumatic control valve (04), but the air inlet of the third pneumatic control valve (04) is still in a closed state, the winch operation cannot be controlled by operating the first button valve (21) and the second button valve (22), when the first starting valve (25) is pressed, the control air source pushes the air control ports of the seventh shuttle valve (24), the first emergency stop valve (23), the fifth shuttle valve (14) and the second pneumatic control valve (03) reaching the third pneumatic control valve (04) to change direction, the main air source reaches the outlet of the third pneumatic control valve, then reaches the air inlet of the fifth pneumatic control valve (09), and reaches the first button valve (21) through the first pneumatic control valve (02), the air inlet of the second button valve (22) is simultaneously pushed to change the direction of the seventh shuttle valve (24) to block and keep the channel leading to the air outlet of the first starting valve (25) which is reset after the change, at the moment, the first button valve (21) or the second button valve (22) is pressed, the control air source changes the direction through the air outlet of the first button valve (21) or the second button valve (22), the two air control ports of the third shuttle valve (12) or the fourth shuttle valve (13) to the fifth air control valve (09), so that the main air source compressed air reaches the air inlet and outlet of the motor M, and at the same time, the air outlet of the fifth air control valve (09) compressed air passes through the second shuttle valve (11), the third shuttle valve (12) and the quick exhaust valve (08) are connected to the air-break braking device S to open the braking, so that the forward operation or the reverse operation of the motor is realized.
2. 2. The method for controlling the remote and near double control safe operation of the novel pneumatic winch according to claim 1, further comprising the following steps of ⑤ when the first button valve (21) and the second button valve (22) are not pressed down, as the air outlet ends of the first button valve (21) and the second button valve (22) are in an air-through state, the fifth air control valve (09) is also a middle venting function, the two air inlet and outlet ports of the motor M are vented to stop running, and meanwhile, the control air path of the air-break braking device S is also communicated with the air and is rapidly vented through the quick-release valve (08) to implement braking.
3. 3. The novel remote-near double-control safe operation control method of the pneumatic winch according to claim 2, further comprising the following steps: ⑥ When an emergency situation is encountered in the operation process, the first button valve (21) and the second button valve (22) are blocked and cannot be sprung to reset, the first emergency stop valve (23) is shot down quickly, the air control port of the third air control valve (04) is in air discharge with the first emergency stop valve (23) through the second air control valve (03) and the fifth shuttle valve (14), the third air control valve (04) is in reversing interruption to supply air to the first button valve (21), the second button valve (22) and the fifth air control valve (09) and is emptied, the winch stops running, meanwhile, a control air channel of the air breaking braking device S is also used for exhausting quickly and braking, and the third shuttle valve (12), the fourth shuttle valve (13) and the fifth shuttle valve (14) are arranged in the air channel and are used for sliding to a non-operating system end when the remote control system (20) or the local control system (30) is operated, so that the remote control system (20) and the local control system (30) are not affected by each other, and the normal and safe operation of the remote control system is ensured.

Description

Novel remote-near double-control safety operation control method for pneumatic winch Technical Field The invention relates to a control gas circuit and a control method, in particular to a novel remote-near double-control safe operation control method of a pneumatic winch. Background The winch is also called a hoist, and a light and small hoisting device which uses a drum to wind a steel wire rope to lift or pull a heavy object is a common machine in the industrial production process. The winch is generally classified into an electric winch, a pneumatic winch, and a hydraulic winch according to driving modes. In recent years, with the rapid development of the China offshore oil industry, besides the China offshore oil, china petroleum and China petrochemical industry are also in the field of entering offshore oil. It is expected that in the future, the marine oil production will be one third of the total production of domestic oil and gas. The manned pneumatic winch is used as key transportation equipment of the offshore drilling platform, and has wide market prospect. However, the market is monopolized all the time abroad, and domestic researches on manned pneumatic winches are almost blank. Disclosure of Invention The invention aims to provide a novel remote and near double-control safe operation control method for a pneumatic winch, which can ensure that the winch is rapidly stopped and braked, has high reliability, ensures the safety of personnel and property on the pneumatic winch to the greatest extent, and has the advantages of simple operation, accurate control, reliable operation, energy conservation and environmental protection. The invention aims to achieve the aim, and the aim is achieved by the following technical scheme: The novel pneumatic winch far-near double-control safe operation control method comprises a first hand-pulled valve, a first pneumatic control valve, a second pneumatic control valve, a third pneumatic control valve, a fourth pneumatic control valve, a first one-way valve, a single throttle valve, a quick-release valve, a fifth pneumatic control valve, a first shuttle valve, a second shuttle valve, a third shuttle valve, a fourth shuttle valve, a fifth shuttle valve, a sixth shuttle valve, a remote control system, a local control system, a limiting protection gas circuit, an overload protection gas circuit, an emergency release gas circuit and an associated system, wherein the remote control system comprises a first button valve, a second button valve, a first emergency stop valve, a seventh shuttle valve and a first starting valve, the local control system comprises a manual reversing valve, a second emergency stop valve, an eighth shuttle valve and a second starting valve, the limiting protection gas circuit comprises a mechanical valve, a ninth shuttle valve, a tenth shuttle valve, a first mechanical valve and a second mechanical valve, the overload protection gas circuit comprises a sixth pneumatic control valve and a pressure regulating valve, and the emergency release comprises a second one-way valve, a second air storage tank and an inflation valve. The association system comprises a compressed air source Y, a motor M of the winch, an air-break braking device S of the winch and a manual auxiliary braking device S of the winch. The main gas circuit of the compressed air source Y is respectively connected to the first hand valve, the second one-way valve of the emergency release gas circuit and the third pneumatic control valve, and the diameters of the main gas circuit, the third pneumatic control valve and the fifth pneumatic control valve connected to the third pneumatic control valve are adapted to the maximum gas consumption of the motor M. One end pneumatic control port of the sixth pneumatic control valve is connected to a lifting gas circuit of the motor M through the fourth pneumatic control valve and the first one-way valve. The control method comprises the following steps: ① The first hand-operated valve is manually controlled to be switched to a local control state, at the moment, a control air source also reaches an air control port of the first air control valve, the seventh air control valve is communicated with an outlet of the third air control valve through a manual reversing valve of the local control system, but an air inlet of the third air control valve is still in a closed state, and the winch operation cannot be controlled through operation of the manual reversing valve. ② When the second starting valve is pressed, the control air source pushes the valve to change direction through the air control port of the eighth shuttle valve, the second emergency stop valve, the fifth shuttle valve and the second air control valve to the air control port of the third air control valve, the main air source reaches the outlet of the valve to reach the air inlet of the fifth air control valve, the valve reaches the air inlet of the manual change valve through the