CN102996111B - Multifunctional automatic drill feeding system of hydraulic motor of petroleum drilling machine - Google Patents
Multifunctional automatic drill feeding system of hydraulic motor of petroleum drilling machine Download PDFInfo
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- CN102996111B CN102996111B CN201210460693.3A CN201210460693A CN102996111B CN 102996111 B CN102996111 B CN 102996111B CN 201210460693 A CN201210460693 A CN 201210460693A CN 102996111 B CN102996111 B CN 102996111B
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- 238000005553 drilling Methods 0.000 title abstract description 11
- 239000003208 petroleum Substances 0.000 title abstract 3
- 239000003129 oil well Substances 0.000 claims description 25
- 230000002457 bidirectional Effects 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000000875 corresponding Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000000887 Face Anatomy 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention relates to a drill feeding system for a petroleum drilling machine, and in particular relates to a multifunctional automatic drill feeding system of a hydraulic motor of a petroleum drilling machine. The system comprises a hydraulic motor, a hydraulic pump, a PLC (programmable logic controller) electric control unit, a first proportional electromagnetic overflow pressure reducing valve and a second proportional electromagnetic overflow pressure reducing valve, wherein a cavity A and a cavity B of the hydraulic motor are respectively and correspondingly connected with a cavity A and a cavity B of the hydraulic pump; control ports X1 and X2 of the hydraulic pump are connected with the first proportional electromagnetic overflow pressure reducing valve and the second proportional electromagnetic overflow pressure reducing valve respectively; the cavity A and the cavity B of the hydraulic motor are respectively and correspondingly connected with a first pressure sensor and a second pressure sensor which are connected with the PLC electric control unit; and the PLC electric control unit is also connected with a slurry pressure sensor and a power swivel pressure sensor. The drill feeding system realizes a full-hydraulic automatic drill feeding function, and has good explosion-proof performance.
Description
Technical field
The present invention relates to a kind of oil-well rig and send drill system, particularly the multi-functional automatic bit feed system of a kind of oil-well rig hydraulic motor.
Background technology
At present, the natural resource such as coal, oil and natural gas demand is constantly risen, the energy demand increasing pressure that society faces is large, as the important supplement of conventional energy resource, the unconventional energy resource such as shale gas, coal gas and oil-sand progress into the visual field of people, market have also occurred full-hydraulic multifunctional pulls rig thereupon, have exploited these unconventional energy resource, this all-hydraulic drill all adopts when creeping into and manual creeps into mode, can not carry out automatic bit feed.
In order to enable rig realize automatic bit feed, mainly adopt alternating-current variable frequency motor automatic bit feed system for mainly to send brill mode at present.But the scope of application of alternating-current variable frequency motor automatic bit feed system is comparatively limited to, it is mainly used on AC frequency conversion electric drive rig, if want type rig application beyond AC frequency conversion electric drive rig, then must increase a set of independently a.c.frequency converting control system, change the structure of winch simultaneously, cause the increase of cost like this.In addition, alternating-current variable frequency motor automatic driller realizes winch automatic bit feed function owing to adopting motor, adds the security risk of anti-explosion area.
So, need badly at present a kind of can realize all-hydraulic automatic bit feed function send drill system.
Summary of the invention
All-hydraulic drill existing for the object of the invention is to overcome in prior art all adopts when creeping into and manually creeps into mode, the deficiency of automatic bit feed can not be carried out, a kind of multi-functional automatic bit feed system of oil-well rig hydraulic motor that can realize all-hydraulic automatic bit feed is provided.
In order to realize foregoing invention object, the invention provides following technical scheme:
The multi-functional automatic bit feed system of a kind of oil-well rig hydraulic motor comprises: hydraulic motor 2, hydraulic pump 1, PLC ECU 3, first ratio electromagnetic type overflow reducing valve 41 and the second ratio electromagnetic type overflow reducing valve 42, the A chamber of described hydraulic motor 2 and B chamber are respectively with the A chamber of described hydraulic pump 1 with B chamber is corresponding is connected, be provided with the described hydraulic pump 1 of control in described hydraulic pump 1 and turn to control mouth X1 and X2 with discharge capacity, described control mouth X1 with X2 is connected with described first ratio electromagnetic type overflow reducing valve 41 and described second ratio electromagnetic type overflow reducing valve 42 respectively, the A chamber of described hydraulic motor 2 and B chamber have been connected respectively the first pressure sensor 31 and the second pressure sensor 32, described first pressure sensor 31 is connected with described PLC ECU 3 with the second pressure sensor 32, described PLC ECU 3 is also connected with mud pressure sensor 33 and power swivel pressure sensor 34, the pinion and rack displacement transducer 35 for detecting oil-well rig displacement is also provided with in the multi-functional automatic bit feed system of described oil-well rig hydraulic motor, described pinion and rack displacement transducer 35 is connected with described PLC ECU 3.
According to the pressure of the drill signal of power swivel pressure sensor 34 and the pressure difference signal of the first pressure sensor 31 and the second pressure sensor 32, PLC ECU 3 calculates tool hanging load and drilling, in drilling process, when actual the pressure of the drill is less than given the pressure of the drill, strengthen hydraulic pump 1 and control electric current, hydraulic pump 1 discharge capacity strengthens, and hydraulic motor 2 rotating speed strengthens, hydraulic motor 2 oil suction chamber pressure strengthens, and the descending realization of water tap is crept into; When actual the pressure of the drill is greater than given the pressure of the drill, reduce hydraulic pump 1 and control electric current, hydraulic pump 1 discharge capacity reduces, hydraulic motor 2 rotating speed reduces, and hydraulic motor 2 oil suction chamber pressure reduces, and water tap is descending slack-off until stop, again to the lifting that commutates, realize oil-well rig constant voltage automatic bit feed;
According to the pressure difference signal of the first pressure sensor 31 and the second pressure sensor 32, PLC ECU 3 calculates, strengthen hydraulic pump 1 and control electric current, hydraulic pump 1 discharge capacity strengthens, hydraulic motor 2 rotating speed strengthens, motor 2 oil suction chamber pressure strengthens, and the descending realization of water tap is crept into, and realizes oil-well rig pressurization automatic bit feed;
According to the signal of mud pressure sensor 33 and the first pressure sensor 31 and the second pressure sensor 32, PLC ECU 3 calculates, when the pump pressure of actual hydraulic pressure pump 1 is less than given pump pressure, strengthen hydraulic pump 1 and control electric current, hydraulic pump 1 discharge capacity strengthens, hydraulic motor 2 rotating speed strengthens, and hydraulic motor 2 oil suction chamber pressure strengthens, and the descending realization of water tap is crept into; When the pump pressure of actual hydraulic pressure pump 1 is greater than given pump pressure, reduce hydraulic pump 1 and control electric current, hydraulic pump 1 discharge capacity reduces, hydraulic motor 2 rotating speed reduces, and hydraulic motor 2 oil suction chamber pressure reduces, and water tap is descending slack-off until stop, again to the lifting that commutates, realize slush pump constant voltage automatic bit feed.
Calculate power swivel moment of torsion according to power swivel pressure sensor signal 34, PLC ECU 3, when actual torque is less than given moment of torsion, strengthen hydraulic pump 1 and control electric current, the descending realization of water tap is crept into; When actual torque is greater than given moment of torsion, reduces hydraulic pump 1 and control electric current, water tap is descending slack-offly even to be stopped, and realizes the permanent moment of torsion automatic bit feed of oil-well rig.
According to pinion and rack displacement transducer 35 signal, PLC ECU 3 calculates and send drilling speed degree, the control electric current of adjustment hydraulic pump 1, thus the flow of hydraulic control pump 1, make hydraulic pump 1 automatic variable that drilling speed and set-point are consistent, realize the permanent drilling speed automatic bit feed of oil-well rig.
compared with prior art, beneficial effect of the present invention:
1, all-hydraulic automatic bit feed function is achieved;
2, be applied on other types rig, do not need the structure changing winch, saved cost;
3, adopt full hydraulic system to realize the automatic bit feed function of rig, there is good explosion-proof performance.
Accompanying drawing illustrates:
Fig. 1 is the multi-functional automatic bit feed system figure of oil-well rig hydraulic motor of the present invention;
Fig. 2 is the system drawing of hydraulic pump;
Fig. 3 is the system drawing of hydraulic motor,
Mark in figure: 1-hydraulic pump, 2-hydraulic motor, 3-PLC ECU, 41-first ratio electromagnetic type overflow reducing valve, 42-second ratio electromagnetic type overflow reducing valve, 11-bidirectional variable hydraulic pump, 12-second hydraulic pump, 13-first piston oil cylinder, 14-3 position-5 way valve, 15-first one way valve, 16-first throttle valve, 17-strainer, 18-first overflow valve, 19-first stop valve, 110-second throttle, 111-second overflow valve, 112-the 3rd overflow valve, 113-second one way valve, 114-the 3rd one way valve, 115-the 4th one way valve, 116-the 5th one way valve, 117-second stop valve, 118-the 4th overflow valve, 119-second throttle, 120-the 5th overflow valve, 21-bidirectional variable hydraulic motor, 22-second piston oil-cylinder, 23-two position three way directional control valve, 24-shuttle valve, 25-three position three-way change valve, 26-the 6th overflow valve, 27-the 4th choke valve, 28-the 5th choke valve, 31-first pressure sensor, 32-second pressure sensor, 33-mud pressure sensor, 34-power swivel pressure sensor, 35-pinion and rack displacement transducer.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, the multi-functional automatic bit feed system of oil-well rig hydraulic motor of the present invention, comprise: hydraulic pump 1, hydraulic motor 2, PLC ECU 3, first ratio electromagnetic type overflow reducing valve 41 and the second ratio electromagnetic type overflow reducing valve 42, the A chamber of described hydraulic motor 2 and B chamber are respectively with the A chamber of described hydraulic pump 1 with B chamber is corresponding is connected, in described hydraulic pump 1, the described hydraulic pump 1 of control turns to and is connected with described first ratio electromagnetic type overflow reducing valve 41 and described second ratio electromagnetic type overflow reducing valve 42 respectively with control mouth X1 with X2 of discharge capacity, the A chamber of described hydraulic motor 2 and B chamber have been connected respectively the first pressure sensor 31 and the second pressure sensor 32, described first pressure sensor 31 is connected with described PLC ECU 3 with the second pressure sensor 32, described PLC ECU 3 is also connected with mud pressure sensor 33 and power swivel pressure sensor 34, the pinion and rack displacement transducer 35 for detecting oil-well rig displacement is also provided with in the multi-functional automatic bit feed system of described oil-well rig hydraulic motor, described pinion and rack displacement transducer 35 is connected with described PLC ECU 3.
Described hydraulic pump 1 comprises: bidirectional variable hydraulic pump 11, second hydraulic pump 12, first piston oil cylinder 13, 3 position-5 way valve 14, first one way valve 15, first throttle valve 16, strainer 17, first overflow valve 18, first stop valve 19, second one way valve 113, second throttle 110, second overflow valve 111, 3rd overflow valve 112, 3rd one way valve 114, 4th one way valve 115, 5th one way valve 116, second stop valve 117, 4th overflow valve 118, second throttle 119, 5th overflow valve 120.
The swash plate of described bidirectional variable hydraulic pump 11 is connected with the piston rod of described first piston oil cylinder 13, the A chamber of described first piston oil cylinder 13 and B chamber are respectively with the A mouth of described 3 position-5 way valve 14 with B mouth is corresponding is connected, the T mouth of described 3 position-5 way valve 14 connects fuel tank, the P mouth of described 3 position-5 way valve 14 is connected with the oil-in of described first one way valve 15, the oil-in of described first one way valve 15 is connected with one end of described first throttle valve 16, the other end of described first throttle valve 16 is connected with the oil-out of described first one way valve 15, the oil-out of described first one way valve 15 is connected with one end of described strainer 17, the other end of described strainer 17 is connected with the oil-out of the P mouth of described first overflow valve and described second hydraulic pump 12, the T mouth of described first overflow valve 18 is connected with fuel tank, the oil-in of described second hydraulic pump 12 is connected with hydraulic power source.
The A chamber of described bidirectional variable hydraulic pump 11 and the oil-out of described second one way valve 113, one end of first stop valve 19, the P hydraulic fluid port of the second overflow valve 111, one end of second throttle 110 connects, the other end of described second throttle 110 is connected with the control end of the P mouth of described 3rd overflow valve 112 and described second overflow valve 111, the other end of described first stop valve 19, the other end of described second one way valve 113, the T mouth of described second overflow valve 111 and described 3rd one way valve 114 and the oil-out of the 4th one way valve 115 and the oil-out of the first one way valve 15 are connected, the T hydraulic fluid port of described 3rd overflow valve 112 is connected with the described oil-in of the 3rd one way valve 114 and the A mouth of described 3 position-5 way valve 14.
The B chamber of described bidirectional variable hydraulic pump 11 and the oil-out of described 5th one way valve 116, one end of described second stop valve 117, the P mouth of described 4th overflow valve 118 is connected with one end of described second throttle 119, the other end of described second stop valve 117, the oil-in of described 5th one way valve 116, the T mouth of described 4th overflow valve 118 is connected with the oil-out of described first one way valve 15, the other end of described second throttle 119 is connected with the P mouth of the control end of described 4th overflow valve 118 and described 5th overflow valve 120, the T mouth of described 5th overflow valve 120 is connected with the B mouth of described 3 position-5 way valve 14 with the oil-in of described 4th overflow valve 115.
The control end X1 of described 3 position-5 way valve 14 is connected with the A mouth of described first ratio electromagnetic type overflow reducing valve 41, the control end X2 of described 3 position-5 way valve 14 is connected with the A mouth of described second ratio electromagnetic type overflow reducing valve 42, the P mouth of described first ratio electromagnetic type overflow reducing valve 41 is connected with hydraulic power source with the P mouth of described second ratio electromagnetic type overflow reducing valve 42, and the T mouth of described first ratio electromagnetic type overflow reducing valve 41 is connected with fuel tank with the T mouth of described second ratio electromagnetic type overflow reducing valve 42.
Described hydraulic motor 2 comprises: bidirectional variable hydraulic motor 21, second piston oil-cylinder 22, two position three way directional control valve 23, shuttle valve 24, three position three-way change valve 25, 6th overflow valve 26, 4th choke valve 27, 5th choke valve 28, the swash plate of described bidirectional variable hydraulic motor 21 is connected with the piston rod of described second piston oil-cylinder 22, the A chamber of described second piston oil-cylinder 22 and the A chamber of described first piston oil cylinder, the P mouth of described two position three way directional control valve 23 and the P mouth of described shuttle valve 24 connect, the B chamber of described second piston oil-cylinder 22 is connected with the B chamber of described first piston oil cylinder 13 and the A mouth of described two position three way directional control valve 23, the T mouth of described two position three way directional control valve 23 is connected with fuel tank, the electromagnet DT5 of described two position three way directional control valve 23 is connected with the control end X1 of described 3 position-5 way valve 14, the A mouth of described shuttle valve 24 is connected with the A chamber of the P1 mouth of described three position three-way change valve 25 and described bidirectional variable hydraulic motor 21, the B mouth of described shuttle valve 24 is connected with the B chamber of the P2 mouth of described three position three-way change valve 25 and described bidirectional variable hydraulic motor 21, the T mouth of described three position three-way change valve 25 is connected with the P mouth of described 6th overflow valve 26, the T mouth of described 6th overflow valve 26 is connected with fuel tank, the electromagnet DT3 of described three position three-way change valve 25 is connected with the B chamber of described bidirectional variable hydraulic motor 21, the electromagnet DT4 of described three position three-way change valve 25 is connected with the A chamber of described bidirectional variable hydraulic motor 21.Electromagnet DT1 is bidirectional variable hydraulic pump 11 forward, and electromagnet DT2 is that bidirectional variable hydraulic pump 11 is reverse.
The multi-functional automatic bit feed system of oil-well rig hydraulic motor of the present invention,
(1) constant voltage automatic bit feed pattern is started, the electromagnet DT1 of the first ratio electromagnetic type overflow reducing valve 41 obtains electric, given the pressure of the drill value, pressure signal is imported into PLC ECU 3, PLC ECU 3 and calculates by the first pressure sensor 31 and the second pressure sensor 32, regulates the aperture of the first ratio electromagnetic type overflow reducing valve 41, thus the flow of hydraulic control pump 1, and then hydraulic control motor 2 rotation speed change, until setting the pressure of the drill, realize permanent the pressure of the drill and creep into function.
(2) pressurization automatic bit feed pattern is started, the electromagnet DT1 of the first ratio electromagnetic type overflow reducing valve 41 obtains electric, given pressurization value, pressure signal is imported into PLC ECU 3, PLC ECU 3 and calculates by the first pressure sensor 31 and the second pressure sensor 32, regulate the aperture of the first ratio electromagnetic type overflow reducing valve 41, thus the flow of hydraulic control pump 1, and then hydraulic control motor 2 rotation speed change, hydraulic motor 2 pressure increase, water tap is descending, realizes creeping into.
(3) start slush pump constant voltage automatic bit feed pattern, the electromagnet DT1 of the first ratio electromagnetic type overflow reducing valve 41 obtains electric, sets predetermined pump pressure.First pressure sensor 31 and the second pressure sensor 32 import pressure signal into PLC ECU 3, PLC ECU 3 carries out calculating and judging, control the DT1 action of the first ratio electromagnetic type overflow reducing valve 41, thus the flow of hydraulic control pump 1, and then hydraulic control motor 2 rotation speed change, reach predetermined pump pressure value, realize creeping into function.
(4) permanent moment of torsion automatic bit feed pattern is started, the electromagnet DT1 dead electricity of the first ratio electromagnetic type overflow reducing valve 41, setting preset torque.First pressure sensor 31 and the second pressure sensor 32 import pressure signal into PLC ECU 3, PLC ECU 3 carries out calculating and judging, control the electromagnet DT1 action of the first ratio electromagnetic type overflow reducing valve 41, thus the flow of hydraulic control pump 1, and then hydraulic control motor 2 rotation speed change, reach predetermined torque value, realize creeping into function.
(5) start permanent drilling speed automatic bit feed pattern, the electromagnet DT1 of the first ratio electromagnetic type overflow reducing valve 41 obtains electric, sets predetermined drilling speed.According to the displacement signal of pinion and rack displacement transducer 35, PLC ECU 3 carries out calculating and judging, control the electromagnet DT1 action of the first ratio electromagnetic type overflow reducing valve 41, thus the flow of hydraulic control pump 1, and then hydraulic control motor 2 rotation speed change, reach predetermined drilling speed value, realize creeping into function.
Claims (7)
1. the multi-functional automatic bit feed system of oil-well rig hydraulic motor, comprise: hydraulic pump (1), hydraulic motor (2) and PLC ECU (3), it is characterized in that, also include the first ratio electromagnetic type overflow reducing valve (41) and the second ratio electromagnetic type overflow reducing valve (42), the A chamber of described hydraulic motor (2) and B chamber are respectively with the A chamber of described hydraulic pump (1) with B chamber is corresponding is connected, be provided with the described hydraulic pump of control (1) in described hydraulic pump (1) and turn to control mouth X1 and X2 with discharge capacity, described control mouth X1 with X2 is connected with described first ratio electromagnetic type overflow reducing valve (41) and described second ratio electromagnetic type overflow reducing valve (42) respectively, the A chamber of described hydraulic motor (2) and B chamber have been connected respectively the first pressure sensor (31) and the second pressure sensor (32), described first pressure sensor (31) and the second pressure sensor (32) are connected with described PLC ECU (3) respectively, described PLC ECU (3) is also connected with mud pressure sensor (33) and power swivel pressure sensor (34).
2. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 1, it is characterized in that, described hydraulic pump (1) comprising: bidirectional variable hydraulic pump (11), second hydraulic pump (12), first piston oil cylinder (13), 3 position-5 way valve (14), first one way valve (15), first throttle valve (16), first overflow valve (18), the swash plate of described bidirectional variable hydraulic pump (11) is connected with the piston rod of described first piston oil cylinder (13), the A chamber of described first piston oil cylinder (13) and B chamber are respectively with the A mouth of described 3 position-5 way valve (14) with B mouth is corresponding is connected, the T mouth of described 3 position-5 way valve (14) connects fuel tank, the P mouth of described 3 position-5 way valve (14) is connected with the oil-in of described first one way valve (15), the oil-in of described first one way valve (15) is connected with one end of described first throttle valve (16), the other end of described first throttle valve (16) is connected with the oil-out of described first one way valve (15), the P mouth of described first overflow valve (18) is connected with the oil-out of described second hydraulic pump (12), the T mouth of described first overflow valve (18) is connected with fuel tank, the oil-in of described second hydraulic pump (12) is connected with hydraulic power source, the control end X1 of described 3 position-5 way valve (14) is connected with the A mouth of described first ratio electromagnetic type overflow reducing valve (41), the control end X2 of described 3 position-5 way valve (14) is connected with the A mouth of described second ratio electromagnetic type overflow reducing valve (42), the P mouth of described first ratio electromagnetic type overflow reducing valve (41) is connected with hydraulic power source with the P mouth of described second ratio electromagnetic type overflow reducing valve (42), the T mouth of described first ratio electromagnetic type overflow reducing valve (41) is connected with fuel tank with the T mouth of described second ratio electromagnetic type overflow reducing valve (42).
3. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 2, it is characterized in that, described hydraulic pump (1) also comprises: the first stop valve (19), second throttle (110), second overflow valve (111), 3rd overflow valve (112), second one way valve (113), 3rd one way valve (114), the A chamber of described bidirectional variable hydraulic pump (11) and the oil-out of described second one way valve (113), one end of described first stop valve (19), the P hydraulic fluid port of described second overflow valve (111), one end of described second throttle (110) connects, the other end of described second throttle (110) is connected with the described P mouth of the 3rd overflow valve (112) and the control end of described second overflow valve (111), the other end of described first stop valve (19), the other end of described second one way valve (113), the T mouth of described second overflow valve (111) is connected with the oil-out of described 3rd one way valve (114) and the first one way valve (15), the T hydraulic fluid port of described 3rd overflow valve (112) is connected with the described oil-in of the 3rd one way valve (114) and the A mouth of described 3 position-5 way valve (14).
4. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 3, it is characterized in that, described hydraulic pump (1) also comprises: the 4th one way valve (115), 5th one way valve (116), second stop valve (117), 4th overflow valve (118), second throttle (119), 5th overflow valve (120), the B chamber of described bidirectional variable hydraulic pump (11) and the oil-out of described 5th one way valve (116), one end of described second stop valve (117), the P mouth of described 4th overflow valve (118) is connected with one end of described second throttle (119), the other end of described second stop valve (117), the oil-in of described 5th one way valve (116), the T mouth of described 4th overflow valve (118) is connected with the oil-out of described first one way valve (15), the other end of described second throttle (119) is connected with the P mouth of the control end of described 4th overflow valve (118) and described 5th overflow valve (120), the T mouth of described 5th overflow valve (120) is connected with the described oil-in of the 4th one way valve (115) and the B mouth of described 3 position-5 way valve (14), the oil-out of described 4th one way valve (115) is connected with the oil-out of described 3rd one way valve (114).
5. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 4, it is characterized in that, described hydraulic motor (2) comprising: bidirectional variable hydraulic motor (21), second piston oil-cylinder (22), two position three way directional control valve (23), shuttle valve (24), three position three-way change valve (25), 6th overflow valve (26), 4th choke valve (27), 5th choke valve (28), the swash plate of described bidirectional variable hydraulic motor (21) is connected with the piston rod of described second piston oil-cylinder (22), the A chamber of described second piston oil-cylinder (22) and the A chamber of described first piston oil cylinder (13), the P mouth of described two position three way directional control valve (23) and the P mouth of described shuttle valve (24) connect, the B chamber of described second piston oil-cylinder (22) is connected with the B chamber of described first piston oil cylinder (13) and the A mouth of described two position three way directional control valve (23), the T mouth of described two position three way directional control valve (23) is connected with fuel tank, the electromagnet DT5 of described two position three way directional control valve (23) is connected with the control end X1 of described 3 position-5 way valve (14), the A mouth of described shuttle valve (24) is connected with the A chamber of the P1 mouth of described three position three-way change valve (25) and described bidirectional variable hydraulic motor (21), the B mouth of described shuttle valve (24) is connected with the B chamber of the P2 mouth of described three position three-way change valve (25) and described bidirectional variable hydraulic motor (21), the T mouth of described three position three-way change valve (25) is connected with the P mouth of described 6th overflow valve (26), the T mouth of described 6th overflow valve (26) is connected with fuel tank, the electromagnet DT3 of described three position three-way change valve (25) is connected with the B chamber of described bidirectional variable hydraulic motor (21), the electromagnet DT4 of described three position three-way change valve (25) is connected with the A chamber of described bidirectional variable hydraulic motor (21).
6. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 5, it is characterized in that, also be provided with the pinion and rack displacement transducer (35) for detecting oil-well rig displacement in the multi-functional automatic bit feed system of described oil-well rig hydraulic motor, described pinion and rack displacement transducer (35) is connected with described PLC ECU (3).
7. the multi-functional automatic bit feed system of oil-well rig hydraulic motor as claimed in claim 6, it is characterized in that, described hydraulic pump also comprises strainer (17), one end of described strainer (17) and the oil-out of described first one way valve (15) be connected, the other end of described strainer (17) is connected with the P mouth of described first overflow valve (18).
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| CN201210460693.3A CN102996111B (en) | 2012-11-15 | 2012-11-15 | Multifunctional automatic drill feeding system of hydraulic motor of petroleum drilling machine |
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| CN201210460693.3A CN102996111B (en) | 2012-11-15 | 2012-11-15 | Multifunctional automatic drill feeding system of hydraulic motor of petroleum drilling machine |
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| CN102996111B true CN102996111B (en) | 2015-04-15 |
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| CN104653168B (en) * | 2014-12-10 | 2017-08-04 | 天水电气传动研究所有限责任公司 | Oil-well rig multi-mode automatic bit feed control method |
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| CN105257275B (en) * | 2015-10-14 | 2018-11-20 | 三一重型能源装备有限公司 | A kind of oil-well rig automatic bit feed system |
| WO2020034365A1 (en) * | 2018-08-13 | 2020-02-20 | 四川大学 | Automatic start-stop mechanism for core drill |
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| CN111827961B (en) * | 2020-06-19 | 2022-06-14 | 徐州徐工基础工程机械有限公司 | Automatic drilling and back-dragging control system and control method under constant torque |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022023A (en) * | 1974-08-27 | 1977-05-10 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit for controlling actuators in a construction vehicle |
| US4531366A (en) * | 1981-05-29 | 1985-07-30 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit system for use in swivel type excavators |
| US4833798A (en) * | 1987-06-11 | 1989-05-30 | Mannesmann Ag | Hydraulic control for earth working machines |
| CN2858923Y (en) * | 2005-12-31 | 2007-01-17 | 中南大学 | Electro-hydraulic proportion pressuring device for rotary digger |
| CN201176871Y (en) * | 2007-11-29 | 2009-01-07 | 中国地质装备总公司 | All-hydraulic type rock core boring machine hydraulic control system |
| CN101709725A (en) * | 2009-11-17 | 2010-05-19 | 华东交通大学 | Downhole anti-explosion hoisting machine hydraulic control system adopting multi-pump combination technique |
| CN101725589A (en) * | 2009-11-11 | 2010-06-09 | 北京市三一重机有限公司 | Hydraulic system and rotary drilling rig comprising same |
| CN201835810U (en) * | 2010-07-21 | 2011-05-18 | 郑州宇通重工有限公司 | Rotary drilling rig one-key drilling control device |
| CN202249733U (en) * | 2011-10-25 | 2012-05-30 | 无锡市安迈工程机械有限公司 | Hydraulic device of drill |
| CN202926309U (en) * | 2012-11-15 | 2013-05-08 | 四川宏华石油设备有限公司 | Hydraulic motor multifunctional automatic drill feeding system for petroleum drilling machine |
-
2012
- 2012-11-15 CN CN201210460693.3A patent/CN102996111B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022023A (en) * | 1974-08-27 | 1977-05-10 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit for controlling actuators in a construction vehicle |
| US4531366A (en) * | 1981-05-29 | 1985-07-30 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit system for use in swivel type excavators |
| US4833798A (en) * | 1987-06-11 | 1989-05-30 | Mannesmann Ag | Hydraulic control for earth working machines |
| CN2858923Y (en) * | 2005-12-31 | 2007-01-17 | 中南大学 | Electro-hydraulic proportion pressuring device for rotary digger |
| CN201176871Y (en) * | 2007-11-29 | 2009-01-07 | 中国地质装备总公司 | All-hydraulic type rock core boring machine hydraulic control system |
| CN101725589A (en) * | 2009-11-11 | 2010-06-09 | 北京市三一重机有限公司 | Hydraulic system and rotary drilling rig comprising same |
| CN101709725A (en) * | 2009-11-17 | 2010-05-19 | 华东交通大学 | Downhole anti-explosion hoisting machine hydraulic control system adopting multi-pump combination technique |
| CN201835810U (en) * | 2010-07-21 | 2011-05-18 | 郑州宇通重工有限公司 | Rotary drilling rig one-key drilling control device |
| CN202249733U (en) * | 2011-10-25 | 2012-05-30 | 无锡市安迈工程机械有限公司 | Hydraulic device of drill |
| CN202926309U (en) * | 2012-11-15 | 2013-05-08 | 四川宏华石油设备有限公司 | Hydraulic motor multifunctional automatic drill feeding system for petroleum drilling machine |
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| CN102996111A (en) | 2013-03-27 |
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