CN100501116C - Anticollision system of roller bridge applicable in well workover rig in ocean and control method - Google Patents
Anticollision system of roller bridge applicable in well workover rig in ocean and control method Download PDFInfo
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- CN100501116C CN100501116C CNB200410018676XA CN200410018676A CN100501116C CN 100501116 C CN100501116 C CN 100501116C CN B200410018676X A CNB200410018676X A CN B200410018676XA CN 200410018676 A CN200410018676 A CN 200410018676A CN 100501116 C CN100501116 C CN 100501116C
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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
The present invention relates to a kind of workover rig overhead traveling crane, especially a kind of overhead traveling crane anticollision system of workover rig.
Background technology
Referring to Fig. 1, in the known technology, the overhead traveling crane anticollision system is mainly by being used for hand-reset and the three position four-way directional control valve (1) that the overhead traveling crane anti-collision resets, the hand-reset of snub and two position three-way valve (2), the combined pressure regulating valve (4) of master rotor operation, two on-off valves (5) of anti-collision, winch brake cylinder (9) and first fast-discharge valve (10), second fast-discharge valve (10 '), the second rib valve (11 '), normally opened relay (12), first normally closed relay (13), second normally closed relay (13 '), auxiliary brake cylinder (14), the handwheel pressure regulator valve (3) of auxiliary brake control, master rotor air guide cock tap components and parts and pipelines such as (15), compositions such as steel cable.Adopt following connecting mode:
Main tracheae connects to the end with the first normally closed relay device (13) along P2 through node K1, node P, and the other end of the first normally closed relay device (13) connects with the S1 mouth of winch brake cylinder (9);
Main tracheae connects with an end of three position four-way directional control valve (1) with the hand-reset that anti-collision resets through node K2, the hand-reset that anti-collision resets connects with the control end of the first normally closed relay device (13) through two on-off valves (5), the second rib valve (11 '), the node I of node F, anti-collision successively with the other end of three position four-way directional control valve (1), and the hand-reset that anti-collision resets connects with the S2 mouth of winch brake cylinder (9) with the another end of three position four-way directional control valve (1);
Main tracheae through node K1, node P along P to connecting successively with the second normally closed relay device (13 '), first fast-discharge valve (10), master rotor air guide cock tap (15);
Main tracheae connects with an end of two position three-way valve (2) with the hand-reset of snub through node K3, and the hand-reset of snub connects with the second rib valve (11 ') with the other end of two position three-way valve (2);
Main tracheae connects with handwheel pressure regulator valve (3), second fast-discharge valve (10 '), the auxiliary brake cylinder (14) of auxiliary brake control successively through node K4;
Main tracheae connects with the combined pressure regulating valve (4), the engine throttle S3 that often open relay device (12), master rotor operation successively through node F, and the control end of normally opened relay (12) connects with node I;
Combined pressure regulating valve (4) other end of master rotor operation connects with the control end of the second normally closed relay device (13 ').
Operating principle and concrete action are as follows: during the rig operate as normal, the overhead traveling crane anti-collision and the handle of the three position four-way directional control valve (1) that resets are removed to the anti-collision position (station I), when hook is up to a certain warning setting in overhead traveling crane bottom, two on-off valves (5) that are positioned at the anti-collision above the winch are opened by wire rope, make this normally close valve change station II over to from station I, main gas enters first normally closed relay (13) through two on-off valves (5) of node K2 by anti-collision, and open first normally closed relay (13), make the interior main gas of gas bag enter first normally closed relay (13) from P2 through node K1, enter winch brake cylinder (9), and then the dead master rotor of stopping.Gas control system normally opened relay (12) is controlled on another road simultaneously, cut-out enters the air inlet of the combined pressure regulating valve (4) of master rotor operation, second normally closed relay (13 ') disconnects, thereby make the master rotor clutch by first fast-discharge valve (10) venting, winch stops operating, when drum clutch was thrown off, the throttle cylinder was died, and motor is got back to idle running.Realize brake and power excision interlock.Thereby reach the purpose of overhead traveling crane anti-collision.At this moment, any Pneumatic valve will not have any reaction on the operation driller case.Pending fault must reset two on-off valves (5) push rod of anti-collision after getting rid of, anti-collision and three position four-way directional control valve (1) handle that resets removed to reset position (station III), and the air inlet of winch brake cylinder (9) S2 mouth, cylinder is regained, and is safe in utilization to guarantee next time.When adopting main brake (stop or coil stop known technology as band), during the brake effort, just hang and close the auxiliary brake cylinder by the handwheel pressure regulator valve (3) of auxiliary brake control, to reduce driller's labour intensity, it does not serve as the safety shut-down role.Snub is identical with two on-off valve operating principles of anti-collision, does not link with the auxiliary brake cylinder.
So in the known technology, the overhead traveling crane anticollision system of workover rig is single control system, two on-off valves and the snub of anti-collision only are set, the auxiliary brake cylinder works alone, two on-off valves of anti-collision with the interlock of auxiliary brake cylinder, safety is low.
Summary of the invention
The overhead traveling crane anticollision system that the purpose of this invention is to provide a kind of workover rig, its multiple spot brake that can realize linking, multidigit compensation brake, brake and power are extractd the multiple protective of interlock, overweight protection, snub, and the response time is short, handling safety.
The present invention is by the following technical solutions:
A kind of overhead traveling crane anticollision system of workover rig, the combined pressure regulating valve of the hand-reset of hand-reset that it is resetted by anti-collision and three position four-way directional control valve, snub and two position three-way valve, master rotor operation, two on-off valves, winch brake cylinder and first fast-discharge valve of anti-collision, second fast-discharge valve, the second rib valve, often drive the handwheel pressure regulator valve of relay device, the first normally closed relay device, the second normally closed relay device, auxiliary brake cylinder, auxiliary brake control, master rotor air guide cock tap and pipeline, steel cable are formed, and concrete connecting mode is:
(1) main tracheae connects to the end with the first normally closed relay device along P2 through node K1, node P, and the other end of the first normally closed relay device connects with the S1 mouth of winch brake cylinder;
(2) main tracheae connects with an end of three position four-way directional control valve with the hand-reset that anti-collision resets through node K2, the hand-reset that anti-collision resets connects with the control end of the first normally closed relay device successively with two on-off valves, the second rib valve, the node I of the other end of three position four-way directional control valve through node F, anti-collision, and the hand-reset that anti-collision resets connects with the S2 mouth of winch brake cylinder with the another end of three position four-way directional control valve;
(3) main tracheae through node K1, node P along P to connecting successively with the first normally closed relay device, first fast-discharge valve, master rotor air guide cock tap;
(4) main tracheae connects with an end of two position three-way valve with the hand-reset of snub through node K3, and the hand-reset of snub connects with the second rib valve with the other end of two position three-way valve;
(5) main tracheae connects with handwheel pressure regulator valve, second fast-discharge valve, the auxiliary brake cylinder of auxiliary brake control successively through node K4;
(6) main tracheae connects with the combined pressure regulating valve, the engine throttle S3 that often open relay device, master rotor operation successively through node F, and the control end of normally opened relay connects with node I;
(7) the combined pressure regulating valve other end of master rotor operation connects with the control end of the second normally closed relay device;
It is characterized in that: also comprise following connection:
(8) connect successively with triangular valve, second fast-discharge valve at winch brake cylinder S1 mouth place, the other end of triangular valve connects with the handwheel pressure regulator valve of auxiliary brake control;
(9) end at two on-off valves of anti-collision connects with an end of two position three-way valve with the hand-reset of heavy bell anti-collision through node G, and the hand-reset of heavy bell anti-collision and the other end of two position three-way valve and the control end and the node I that often drive the relay device are associated with node T place;
(10) main tracheae connects with electric control valve, the first rib valve successively through node K5, and the other end of the first rib valve connects with two position three-way valve with the hand-reset of snub, and the control end of electric control valve connects with the hydraulic control electromagnetic valve;
(11) second rib valve one end connects with an end of two position three-way valve with the hand-reset of snub through the first rib valve.
A kind of control method of overhead traveling crane anticollision system of workover rig comprises the following steps:
(1) hook arrives the warning setting, two on-off valve actions of anti-collision, make this normally close valve conducting, two on-off valves of hand-reset that main gas resets through anti-collision and three position four-way directional control valve, anti-collision, the second rib valve are with the first normally closed relay device conducting, and main gas passes the first normally closed relay device by another road and makes the braking of winch brake cylinder;
When (two) two of anti-collision on-off valves move, pass the main gas of two on-off valves of anti-collision, to often drive the relay device simultaneously closes, originally passed hand-reset that anti-collision resets with three position four-way directional control valve, often open the main gas of the combined pressure regulating valve that relay device, master rotor operate thereby cut off, at this moment, the second normally closed relay device disconnects, and the master rotor clutch is by the venting of first fast-discharge valve, power is extractd, and winch stops operating;
(3) pass the main gas of two on-off valves of anti-collision, when often driving the relay device and close, the engine oil door cylinder is died, and motor is got back to idle state;
It is characterized in that: also comprise the following steps:
(4) main gas starts the auxiliary brake cylinder at the S1 mouth node place of the first normally closed relay device and winch brake cylinder through triangular valve, second fast-discharge valve, when repeating above-mentioned steps (), (two), (three), realizes the auxiliary brake interlock;
(5) after two of anti-collision on-off valves lost efficacy, the hand-reset of heavy bell anti-collision and two position three-way valve started, and make this normally close valve conducting, thereby replaced two on-off valves of anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(6) when hook surpasses assumed load, the hydraulic control electromagnetic valve triggers electric control valve makes this valve transfer conducting to by normally closed, main gas passes electric control valve, the first rib valve, the second rib valve through node K5 and makes the first normally closed relay device conducting, normally opened relay is closed, thereby replaces two on-off valves of anti-collision or the hand-reset and the two position three-way valve of heavy bell anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(7) snub braking, the hand-reset and the two position three-way valve of artificial control snub, main gas triggers first normally closed relay through hand-reset and two position three-way valve, the first rib valve and the second rib valve that K3 passes snub, the normally opened relay action, thus two on-off valves of anti-collision, the hand-reset that weighs the bell anti-collision and two position three-way valve, electric control valve, repetition above-mentioned steps (), (two), (three), (four) replaced.
In sum, the present invention is owing to adopt above technical scheme, and the response time is less than 0.5 second, operates saferly, makes accident rate drop to minimum level.
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is the overhead traveling crane anticollision system schematic diagram of workover rig in the known technology.
Fig. 2 is the overhead traveling crane anticollision system schematic diagram of workover rig of the present invention.
The specific embodiment
Referring to Fig. 2, the present invention is mainly by being used for hand-reset and the three position four-way directional control valve 1 that the overhead traveling crane anti-collision resets, the hand-reset of snub and two position three-way valve 2, the combined pressure regulating valve 4 of master rotor operation, two on-off valves 5 of anti-collision, the winch brake cylinder 9 and first fast-discharge valve 10, second fast-discharge valve 10 ', the second rib valve 11 ', normally opened relay 12, first normally closed relay 13, second normally closed relay 13 ', auxiliary brake cylinder 14, the handwheel pressure regulator valve 3 of auxiliary brake control, master rotor air guide cock tap 15, the hand-reset of heavy bell anti-collision and two position three-way valve 6, hydraulic control electromagnetic valve 7, electric control valve 8, the first rib valve 11, the second rib valve 11 ' and triangular valve 11 " etc. components and parts and compositions such as pipeline and steel cable.Wherein, the combined pressure regulating valve 4 control master rotor clutch action and the engine throttle openings of master rotor operation have three-position four-way valve and bidirectional pressure regulating function.When this valve handle placed meta, master rotor push-plate clutch broke away from, the engine throttle idling; Promote 10 ° upward, the combination of master rotor push-plate clutch continues to promote upward, can increase engine throttle opening, strengthens engine speed.This valve handle spurs downwards, the control engine throttle; Has the hand throttle effect this moment.
The concrete connecting mode of the present invention is:
(1) main tracheae connects to the end with first normally closed relay 13 along P2 through node K1, node P, and the other end of first normally closed relay 13 connects with the S1 mouth of winch brake cylinder 9;
(2) main tracheae connects with an end of three position four-way directional control valve 1 with the hand-reset that anti-collision resets through node K2, the hand-reset that anti-collision resets connects with the control end of first normally closed relay 13 through two on-off valves 5, the second rib valve 11 ', the node I of node F, anti-collision successively with the other end of three position four-way directional control valve 1, and the hand-reset that anti-collision resets connects with the S2 mouth of winch brake cylinder 9 with the another end of three position four-way directional control valve 1;
(3) main tracheae through node K1, node P along P to connecting successively with second normally closed relay 13 ', first fast-discharge valve 10 and master rotor air guide cock tap 15;
(4) main tracheae connects with an end of two position three-way valve 2 with the hand-reset of snub through node K3, and the hand-reset of snub connects with the second rib valve 11 ' with the other end of two position three-way valve 2;
(5) main tracheae connects with handwheel pressure regulator valve 3, second fast-discharge valve 10 ' and the auxiliary brake cylinder (14) of auxiliary brake control successively through node K4;
(6) main tracheae connects with the combined pressure regulating valve 4 and the engine throttle S3 of normally opened relay 12, master rotor operation successively through node F, and the control end of normally opened relay 12 connects with node I;
(7) combined pressure regulating valve 4 other ends of master rotor operation connect with the control end of second normally closed relay 13 ';
(8) winch brake cylinder 9 is at S1 mouth place and triangular valve 11 " and second fast-discharge valve 10 ' connect triangular valve 11 successively " the handwheel pressure regulator valve 3 of the other end and auxiliary brake control connect;
(9) end of two of anti-collision on-off valves 5 connects with an end of two position three-way valve 6 with the hand-reset of heavy bell anti-collision through node G, and the other end of the hand-reset of heavy bell anti-collision and two position three-way valve 6 and the control end of normally opened relay 12 and node I are associated with node T place;
(10) main tracheae connects with electric control valve 8, the first rib valve 11 successively through node K5, and the other end of the first rib valve 11 connects with two position three-way valve 2 with the hand-reset of snub, and the control end of electric control valve 8 connects with hydraulic control electromagnetic valve 7;
(11) second rib valves 11 ' one end connects with an end of two position three-way valve 2 with the hand-reset of snub through the first rib valve 11.
The control method of the overhead traveling crane anticollision system of workover rig of the present invention, comprise the following steps: that (1) is when hook arrival warning setting, two on-off valves, 5 actions of anti-collision, make this normally close valve conducting, two on-off valves 5 of hand-reset that main gas resets through anti-collision and three position four-way directional control valve 1, anti-collision, the second rib valve 11 ' are with 13 conductings of first normally closed relay, and main gas passes first normally closed relay 13 by another road and makes 9 brakings of winch brake cylinder;
When (2) two of anti-collision on-off valves 5 move, pass the main gas of two on-off valves 5 of anti-collision, simultaneously normally opened relay 12 is closed, thereby cut off the main gas passed the combined pressure regulating valve 4 that hand-reset that anti-collision resets and three position four-way directional control valve 1, normally opened relay 12, master rotor operate originally, at this moment, second normally closed relay 13 ' disconnects, and the master rotor clutch is by 10 venting of first fast-discharge valve, power is extractd, and winch stops operating;
(3) pass the main gas of two on-off valves 5 of anti-collision, when normally opened relay 12 was closed, the engine oil door cylinder was died, and motor is got back to idle state;
(4) main gas is at the normally closed relay 13 S1 mouth node place with winch brake cylinder 9, through triangular valve 11 ", second fast-discharge valve 10 ' starts auxiliary brake cylinder 14, when repeating above-mentioned steps (), (two), (three), realizes the auxiliary brake interlock;
(5) after two of anti-collision on-off valves 5 lost efficacy, the hand-reset of heavy bell anti-collision and two position three-way valve 6 started, and make this normally close valve conducting, thereby replaced two on-off valves 5 of anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(6) when hook surpasses assumed load, hydraulic control electromagnetic valve 7 triggers electric control valves 8 makes this valve transfer conducting to by normally closed, main gas passes electric control valve 8, the first rib valve 11, the second rib valve 11 ' through node K5 and makes 13 conductings of first normally closed relay, normally opened relay 12 is closed, thereby replaces two on-off valves 5 of anti-collision or the hand-reset and the two position three-way valve 6 of heavy bell anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(7) snub braking, the hand-reset and the two position three-way valve 2 of artificial control snub, main gas triggers first normally closed relay 13 through hand-reset and two position three-way valve 2, the first rib valve 11, the second rib valve 11 ' that K3 passes snub, normally opened relay 12 actions, thereby two on-off valves 5 of replacement anti-collision, the hand-reset of heavy bell anti-collision and two position three-way valve 6, electric control valve 8 repeat above-mentioned steps (), (two), (three), (four).
Operating principle and concrete action are as follows: during the rig operate as normal, the overhead traveling crane anti-collision and the handle of the three position four-way directional control valve 1 that resets are removed to the anti-collision position (station I), when hook is up to a certain warning setting in overhead traveling crane bottom, two on-off valves 5 that are positioned at the anti-collision that is in station I above the winch are opened by wire rope, this normally close valve is opened, main gas enters first normally closed relay 13 by the station II of two on-off valves 5 of anti-collision, and open first normally closed relay 13, make the interior main gas of gas bag enter first normally closed relay 13 from P2 through node K1, one the tunnel enters winch brake cylinder S1 mouth, another road is by triangular valve 11 " enter auxiliary brake cylinder 14; and then the dead master rotor of stopping, realize the brake of interlock multiple spot.After one tunnel control gas I2 passes through node T more simultaneously, control normally opened relay 12, cut-out enters the air inlet F of the combined pressure regulating valve 4 of master rotor operation, second normally closed relay 13 ' disconnects, thereby make the master rotor clutch by 10 venting of first fast-discharge valve, winch stops operating, in the time of the master rotor throw-out-of clutch, the throttle cylinder is died, and motor is got back to idle running.Realize brake and power excision interlock.Thereby reach quick, the reliable purpose of overhead traveling crane anti-collision.At this moment, any Pneumatic valve will not have any reaction on the operation driller case.After pending fault is got rid of, two on-off valve 5 push rods of anti-collision must be resetted, the anti-collision valve handle that resets is removed to reset position (station III), the winch brake cylinder restores to the original state, and the auxiliary brake cylinder resets, and removes brake.At this moment, still the control valve handle must be moved back to anti-collision position (station I), safe in utilization to guarantee next time.The anti-collision valve handle that resets is put station II when not working.
When two on-off valves 5 of anti-collision lost efficacy or hook block when continuing to rise to certain altitude, hook pushes up the balancing weight of suspension weight under the overhead traveling crane, hand-reset and two position three-way valve 6 handles that weight drives heavy bell anti-collision fall, air valve is opened, enter station I from station II, main gas enters first normally closed relay 13 through node K2 by this air valve, and open first normally closed relay 13, make the interior main gas of gas bag enter winch brake cylinder 9 through node K1 (the same) a tunnel with two on-off valve 5 operating principles of anti-collision, another road is by triangular valve 11 " enter auxiliary brake cylinder 14, and then the dead master rotor of stopping.Realize the brake of interlock multiple spot.Another road control gas T2 controls normally opened relay 12 simultaneously, cut-out enters the air inlet of the combined pressure regulating valve 4 of master rotor operation, second normally closed relay 13 ' disconnects, disconnect main gas P1, thereby make the master rotor clutch by 10 venting of first fast-discharge valve, winch stops operating, when drum clutch is thrown off, the throttle cylinder is died, and motor is got back to idle running, realizes brake and power excision interlock.Reach the purpose of second compensation of overhead traveling crane anti-collision.At this moment, operation driller control valve will not have any reaction.After pending fault is got rid of, two on-off valve 5 push rods of anti-collision must be resetted, anti-collision and the hand-reset, three-position four-way valve reversal valve 1 handle that reset are removed to reset position (station III), winch brake cylinder 9 restores to the original state, auxiliary brake cylinder 14 resets, and removes brake.At this moment, still the control valve handle must be moved back to anti-collision position (station I), safe in utilization to guarantee next time.Anti-collision is put station II with the hand-reset, three-position four-way valve reversal valve 1 handle that reset when not working.
Emergency brake arrangement is to utilize the main brake cylinder, artificially controls winch brake by the driller.Driller station is provided with the hand-reset and the two position three-way valve 2 of snub, no matter when, as long as thinking, the driller is necessary brake hard, only need press this valve gets final product, after pressing this valve, this valve changes station I over to from station II, main gas K3 is through the first rib valve 11, the second rib valve 11 ' enters first normally closed relay 13, and open first normally closed relay 13, make the interior main gas of gas bag enter winch brake cylinder 9 through node K1 (the same) a tunnel with two on-off valve 5 operating principles of anti-collision, another road is by triangular valve 11 " enter auxiliary brake cylinder 14, and then the dead master rotor of stopping.Another road control gas I2 controls normally opened relay 12 simultaneously, cut-out enters the air inlet of the combined pressure regulating valve 4 of master rotor operation, second normally closed relay 13 ' disconnects, disconnect main gas P1, thereby make the master rotor clutch by 10 venting of first fast-discharge valve, winch stops operating, and master rotor just can stop operating in the shortest time, thereby reaches the purpose of snub.Pending fault must allow auxiliary brake cylinder 14 reset after getting rid of, and brake cylinder restores to the original state, and removes brake, gets back to the anti-collision state, and is safe in utilization to guarantee next time.
Increase hydraulic control electromagnetic valve 7 and electric control valve 8 in the system, hydraulic control electromagnetic valve 7 is in de-energized when SBR, be subjected to oil pressure after, connect circuit, enter the operating position.Electric control valve 8 is in the position of dying when SBR, gas port is connected in the energising back, enters the operating position.When hook surpasses assumed load, weight sensor oil triggers the action of hydraulic control electromagnetic valve, and then make main gas enter the first rib valve 11, the second rib valve 11 ' by electric control valve 8 through node K5, enter first normally closed relay 13, and open first normally closed relay 13, make the interior main gas of gas bag enter winch brake cylinder 9 through node K1 (the same with two on-off valve 5 operating principles of anti-collision) a tunnel, another road is by triangular valve 11 " enter auxiliary brake cylinder 14, and then the dead master rotor of stopping.Another road control gas I2 controls normally opened relay 12 simultaneously, cut-out enters the air inlet F of master rotor control valve, second normally closed relay 13 ' disconnects, disconnect main gas P1, thereby make the master rotor clutch by 10 venting of first fast-discharge valve, master rotor just can stop operating in the shortest time, reaches the purpose of the drill string that hovers, and reminds user's drill string to transship.Pending fault must allow auxiliary brake cylinder 14 reset after getting rid of, and brake cylinder restores to the original state, and removes brake, and is safe in utilization to guarantee next time.
All valve members are all chosen the hydraulic pressure of mature and reliable in the known technology, pneumatic component or electric components.Each valve connected mode, control mode separately is known technology.
Claims (2)
1, a kind of overhead traveling crane anticollision system of workover rig comprises the hand-reset and the three position four-way directional control valve (1) that are resetted by anti-collision, the hand-reset of snub and two position three-way valve (2), the combined pressure regulating valve (4) of master rotor operation, two on-off valves (5) of anti-collision, winch brake cylinder (9), first fast-discharge valve (10), second fast-discharge valve (10 '), the second rib valve (11 '), often drive relay device (12), the first normally closed relay device (13), the second normally closed relay device (13 '), auxiliary brake cylinder (14), the handwheel pressure regulator valve (3) of auxiliary brake control, master rotor air guide cock tap (15), pipeline and steel cable; Concrete connecting mode is:
(1) main tracheae connects to the end with the first normally closed relay device (13) along P2 through node K1 and node P, and the other end of the first normally closed relay device (13) connects with the S1 mouth of winch brake cylinder (9);
(2) main tracheae connects with an end of three position four-way directional control valve (1) with the hand-reset that anti-collision resets through node K2, the hand-reset that anti-collision resets connects with the control end of the first normally closed relay device (13) through two on-off valves (5), the second rib valve (11 '), the node I of node F, anti-collision successively with the other end of three position four-way directional control valve (1), and the hand-reset that anti-collision resets connects with the S2 mouth of winch brake cylinder (9) with the another end of three position four-way directional control valve (1);
(3) main tracheae through node K1 and node P along P to connecting successively with the second normally closed relay device (13 '), first fast-discharge valve (10) and master rotor air guide cock tap (15);
(4) main tracheae connects with an end of two position three-way valve (2) with the hand-reset of snub through node K3, and the hand-reset of snub connects with the second rib valve (11 ') with the other end of two position three-way valve (2);
(5) main tracheae connects with handwheel pressure regulator valve (3), second fast-discharge valve (10 '), the auxiliary brake cylinder (14) of auxiliary brake control successively through node K4;
(6) main tracheae connects with the combined pressure regulating valve (4), the engine throttle S3 that often open relay device (12), master rotor operation successively through node F, and the control end of normally opened relay (12) connects with node I;
(7) combined pressure regulating valve (4) other end of master rotor operation connects with the control end of the second normally closed relay device (13 ');
It is characterized in that: also comprise following connection:
(8) connect successively at winch brake cylinder (9) S1 mouth place and triangular valve (11 "), second fast-discharge valve (10 '), the other end of triangular valve (11 ") connects with the handwheel pressure regulator valve (3) of auxiliary brake control;
(9) end at two on-off valves (5) of anti-collision connects with an end of two position three-way valve (6) with the hand-reset of heavy bell anti-collision through node G, and heavily the other end of the hand-reset of bell anti-collision and two position three-way valve (6) and the control end and the node I that often drive relay device (12) are associated with node T place;
(10) main tracheae connects with the electric control valve (8) and the first rib valve (11) successively through node K5, the other end of the first rib valve (11) connects with two position three-way valve (2) with the hand-reset of snub, and the control end of electric control valve (8) connects with hydraulic control electromagnetic valve (7);
(11) second rib valve (11 ') end connects with the hand-reset of snub and an end of two position three-way valve (2) through the first rib valve (11).
2, a kind of control method of overhead traveling crane anticollision system of workover rig comprises the following steps:
(1) hook arrives the warning setting, two on-off valves (5) action of anti-collision, make this normally close valve conducting, two on-off valves (5) of hand-reset that main gas resets through anti-collision and three position four-way directional control valve (1), anti-collision, the second rib valve (11 ') are with first normally closed relay device (13) conducting, and main gas passes the first normally closed relay device (13) by another road and makes winch brake cylinder (9) braking;
When (two) two of anti-collision on-off valves (5) move, pass the main gas of two on-off valves (5) of anti-collision, to often drive relay device (12) simultaneously closes, originally passed hand-reset that anti-collision resets with three position four-way directional control valve (1), often open the main gas of the combined pressure regulating valve (4) that relay device (12), master rotor operate thereby cut off, at this moment, the second normally closed relay device (13 ') disconnects, and the master rotor clutch is by first fast-discharge valve (10) venting, power is extractd, and winch stops operating;
(3) pass the main gas of two on-off valves (5) of anti-collision, will often drive relay device (12) when closing, the engine oil door cylinder is died, and motor is got back to idle state;
It is characterized in that: also comprise the following steps:
(4) main gas is at the S1 mouth node place of the first normally closed relay device (13) with winch brake cylinder (9), start auxiliary brake cylinder (14) through triangular valve (11 "), second fast-discharge valve (10 '); when repeating above-mentioned steps (), (two), (three), realize the auxiliary brake interlock;
(5) after two of anti-collision on-off valves (5) lost efficacy, the hand-reset of heavy bell anti-collision and two position three-way valve (6) started, and make this normally close valve conducting, thereby replaced two on-off valves (5) of anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(6) when hook surpasses assumed load, hydraulic control electromagnetic valve (7) triggers electric control valve (8) makes this valve transfer conducting to by normally closed, main gas passes electric control valve (8), the first rib valve (11), the second rib valve (11 ') through node K5 and makes first normally closed relay device (13) conducting, normally opened relay (12) is closed, thereby replaces two on-off valves (5) of anti-collision or the hand-reset and the two position three-way valve (6) of heavy bell anti-collision to repeat above-mentioned steps (), (two), (three), (four);
(7) snub braking, the hand-reset and the two position three-way valve (2) of artificial control snub, main gas triggers first normally closed relay (13) through hand-reset and two position three-way valve (2), the first rib valve (11), the second rib valve (11 ') that K3 passes snub, normally opened relay (12) action, thereby replace two on-off valves (5) of anti-collision, the hand-reset that weighs the bell anti-collision and two position three-way valve (6), electric control valve (8), repeat above-mentioned steps (), (two), (three), (four).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410018676XA CN100501116C (en) | 2004-02-23 | 2004-02-23 | Anticollision system of roller bridge applicable in well workover rig in ocean and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410018676XA CN100501116C (en) | 2004-02-23 | 2004-02-23 | Anticollision system of roller bridge applicable in well workover rig in ocean and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661197A CN1661197A (en) | 2005-08-31 |
| CN100501116C true CN100501116C (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410018676XA Expired - Fee Related CN100501116C (en) | 2004-02-23 | 2004-02-23 | Anticollision system of roller bridge applicable in well workover rig in ocean and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100501116C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417775B (en) * | 2008-03-27 | 2010-12-08 | 中原特种车辆有限公司 | Winch control system and method |
| CN103775052B (en) * | 2014-02-17 | 2017-01-25 | 成都市卓新实业有限公司 | Drilling tool wellhead safety protection control device |
| CN108821122B (en) * | 2018-05-28 | 2024-02-13 | 中国石油化工股份有限公司 | Crown block anti-collision integrated control device and crown block anti-collision control method for workover rig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622885C2 (en) * | 1976-05-21 | 1982-12-30 | G. Düsterloh GmbH, 4322 Sprockhövel | Electro-hydraulic control of a safety winch, especially for mining machines, in the steep storage of the underground mine |
| CN86203558U (en) * | 1986-05-29 | 1987-10-03 | 辽河石油勘探局钻井一公司 | Collision-proof device for the crown block of a compound drill rig |
| CN2117456U (en) * | 1992-04-18 | 1992-09-30 | 中原石油勘探局钻井一公司 | Electronic bump protecting unit of travelling crane |
| CN2364016Y (en) * | 1999-04-08 | 2000-02-16 | 成都菲达实业有限责任公司 | Computer controller for preventing crown block from collision |
| JP2000087903A (en) * | 1998-09-09 | 2000-03-28 | Tadano Ltd | Hydraulic circuit for winch |
-
2004
- 2004-02-23 CN CNB200410018676XA patent/CN100501116C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622885C2 (en) * | 1976-05-21 | 1982-12-30 | G. Düsterloh GmbH, 4322 Sprockhövel | Electro-hydraulic control of a safety winch, especially for mining machines, in the steep storage of the underground mine |
| CN86203558U (en) * | 1986-05-29 | 1987-10-03 | 辽河石油勘探局钻井一公司 | Collision-proof device for the crown block of a compound drill rig |
| CN2117456U (en) * | 1992-04-18 | 1992-09-30 | 中原石油勘探局钻井一公司 | Electronic bump protecting unit of travelling crane |
| JP2000087903A (en) * | 1998-09-09 | 2000-03-28 | Tadano Ltd | Hydraulic circuit for winch |
| CN2364016Y (en) * | 1999-04-08 | 2000-02-16 | 成都菲达实业有限责任公司 | Computer controller for preventing crown block from collision |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1661197A (en) | 2005-08-31 |
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