CN108104794A - A kind of drilling machine hydraulic logical control system and method - Google Patents
A kind of drilling machine hydraulic logical control system and method Download PDFInfo
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- CN108104794A CN108104794A CN201711272846.0A CN201711272846A CN108104794A CN 108104794 A CN108104794 A CN 108104794A CN 201711272846 A CN201711272846 A CN 201711272846A CN 108104794 A CN108104794 A CN 108104794A
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- way valve
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- slow speed
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
- F15B2211/20584—Combinations of pumps with high and low capacity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31594—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having multiple pressure sources and multiple output members
Abstract
The present invention relates to a kind of logic control system and methods, belong to drilling rig technique field, are specifically related to a kind of drilling machine hydraulic logical control system and method.The system and method adds in loop control logic in drilling rig hydraulic system, according to drilling machine difference operating mode, it automatically selects and has been fed pull out the matching relationship between oil cylinder, rotary motor, chuck, clamper, loop control logic automatically controls each mechanism action, drilling failure caused by can avoiding maloperation, rig operations are simple, labor intensity is low.
Description
Technical field
The present invention relates to a kind of logic control system and methods, belong to drilling rig technique field, are specifically related to a kind of drilling machine
Hydraulic logical control system and method.
Background technology
During operating drilling machine, rotary motor is related generally to, be fed pull out the main executing agency such as oil cylinder and card open in usual
Mutual cooperation between the action of the auxiliary bodies such as disk, normally closed type clamper.In different probing processes, each executing agency and auxiliary
The job order and working condition of mechanism are different, and drilling machine operator is needed according to different processes, control each executing agency and auxiliary
Mechanism action is helped, to complete probing task.Drilling machine executing agency and auxiliary body are generally using hydraulic control, since drilling machine is respectively held
Individually using coordinated signals, drilling machine operator need to be familiar with drilling machine executing agency for control or part for row mechanism and auxiliary body
On the premise of function and different processes correspond to executing agency's working condition, while manipulate multiple hydraulic valves and complete rig operations.
During bar, if driller personnel manipulation is unskilled, the efficiency of falling bar will be directly affected.If maloperation, brill, damage drilling tool etc. will be fallen
Accident, and due to needing the matching relationship between each executing agency of frequent transitions, labor strength is big, and efficiency is low.
At present, some drilling machines use part coordinated signals, pass through main actuating mechanism working oil path and auxiliary body's working oil
Road connects, and by executing agency operating pressure oil auxiliary body is controlled to act, although the method can partly realize executing agency with
The linkage of auxiliary body, but since auxiliary body's work oil sources comes from executing agency, operating pressure and actuator load phase
Close, due to and actuator load changes greatly, be ensure auxiliary body by enough abilities to work, it is necessary to by chuck open in usual and
Normally closed type clamper size increases, and to ensure low-load when works, simultaneously because auxiliary body's control has from executing agency, belongs to
In singly pumping multiloop system, auxiliary body's exercise not harmony is often resulted in.General solution method is increased in executing agency's oil circuit
Counterbalance valve, root actuator load and flow adjust magnitude of back pressure.The method causes hydraulic system pressure loss larger.It is larger
The pressure loss cause hydraulic oil temperature rise very fast, cause system overheat, it is necessary to radiate system for the hydraulic pressure of the mating more efficient of drilling machine
System.Simultaneously driller personnel is needed frequently to adjust counterbalance valve, to meet subsidiary loop pressure needs, and under Part load, due to
Aux. pressure can not adjust the performance for system needs, affecting drilling machine efficiency.Another solution is should by electronic technology
For drill control, executing agency and auxiliary body's logic control are realized, though this scheme can realize automation control, due to electricity
Control technology is more demanding to driller's personnel's overall qualities, and is limited by rig cost and follow-up maintenance expense.Due to existing drilling machine
Mostly using all-hydraulic control, therefore the application and popularization of electronic technology have certain limitation.
The content of the invention
The drilling machine that the present invention mainly solves present in the prior art manipulates complicated, easy error operations, system pressure and stream
Amount loses the technical problems such as larger, efficiency, provides a kind of drilling machine hydraulic logical control system and method.The system and method exists
Loop control logic is added in drilling rig hydraulic system, according to drilling machine difference operating mode, automatically selects and has been fed pull out oil cylinder, revolution horse
It reaches, the matching relationship between chuck open in usual, normally closed type clamper, loop control logic automatically controls each mechanism action, can keep away
Drilling failure caused by exempting from maloperation, rig operations are simple, labor intensity is low.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of drilling machine hydraulic logical control system, including：
Pumping plant with huge discharge main pump and small displacement auxiliary pump；
It pulls out fast rise at a slow speed of speed for having controlled to pull out oil cylinder and rise and pulls out logical circuit；
Wherein, fast rise at a slow speed pulls out logical circuit and includes fast feed multi-way valve, is fed multi-way valve, shuttle valve, liquid at a slow speed
Control reversal valve；A, B mouth of A, B mouth connection shuttle valve of the fast feed multi-way valve, the C mouths connection pilot operated directional control valve of shuttle valve
Hydraulic control mouth X；A`, B` mouth of A, B mouth connection pilot operated directional control valve of multi-way valve are fed at a slow speed；A, B mouthfuls of fast feed multi-way valve is respectively
It is connected with A, B mouthful of multi-way valve of feed at a slow speed, is then connected with pulling out A, B mouthfuls of oil cylinder.
Preferably, above-mentioned a kind of drilling machine hydraulic logical control system, further includes：For controlling drill rig components working condition
The chuck normally closed type clamper logical circuit open in usual of conversion；The chuck normally closed type clamper logical circuit open in usual is further
Including：Make a trip loop control logic, revolution loop control logic；
The loop control logic that wherein makes a trip obtains fast feed multi-way valve state by shuttle valve, when fast feed multi-way valve
During work, control pilot operated directional control valve cut-off is fed at a slow speed multi-way valve, when fast feed multi-way valve does not work, is fed multichannel at a slow speed
Valve extremely rises and pulls out cylinder circuit unicom；
It wherein turns round loop control logic and power head status is obtained by shuttle valve (302a), when power head rotates, high pressure oil
Control chuck open in usual that night sky hair (302b) and normally closed type clamper is controlled to control pilot operated valve device control commutation by shuttle valve (302a),
So as to control the folding of chuck and normally closed type chuck open in usual.
Preferably, above-mentioned a kind of drilling machine hydraulic logical control system, further includes：
Control has been fed pull out oil cylinder locking and the power head locking logical circuit for conversion of floating；Institute's power head locking logic is returned
Road further comprises：
Shuttle valve (401,402), hydraulic control one-way valve (404,405)；
Wherein shuttle valve, which has obtained, pulls out oil cylinder and rotary motor state, when high pressure oil, which has flowed into, pulls out oil cylinder or rotary motor,
High pressure oil control hydraulic control one-way valve is opened；Oil cylinder is pulled out when rising or when rotary motor does not work, hydraulic control one-way valve locking cylinder.
Preferably, above-mentioned a kind of drilling machine hydraulic logical control system, further includes：It is used to implement pressure controlled pressure control
Circuit processed；The pressure control loop oil sources is derived from the further hand reducing pressure valve of small displacement auxiliary pump, wherein hand reducing pressure valve control
Feed pressure, hand reducing pressure valve control chuck clamping force open in usual to system at a slow speed.
A kind of control method of above-mentioned drilling machine hydraulic logical control system, including：When fast feed multichannel valve events,
Pressure oil works in upper, A, B mouthfuls of cut-offs of feed multi-way valve at a slow speed by shuttle valve control pilot operated directional control valve.Fast feed multi-way valve
Control be fed to pull out oil cylinder realization fast feed and has pulled out；When fast feed multi-way valve is located at middle position, pilot operated directional control valve works in down
Position, operation are fed at a slow speed the cut-off connection of A, B mouthful of multi-way valve, be fed at a slow speed multi-way valve control be fed to pull out oil cylinder realization at a slow speed to
It is pulled out into rising.
Preferably, the control method of above-mentioned a kind of drilling machine hydraulic logical control system, including：
The power and energy multi-way valve that makes a trip is upper for lower brill logic, at a slow speed fast feed multi-way valve or the operation of feed multi-way valve
To when giving carry, chuck open in usual steps up automatically, and normally closed type clamper unclamps automatically；Fast feed multi-way valve is fed at a slow speed more
Road valve operate to rise pull out when, chuck open in usual unclamps, normally closed type clamp holder clamping.
The power and energy multi-way valve that makes a trip is the next for trip-out logic, at a slow speed fast feed multi-way valve or the operation of feed multi-way valve
To when giving carry, chuck open in usual unclamps automatically, normally closed type clamper Automatic-clamping.Fast feed multi-way valve is fed at a slow speed more
Road valve operate to rise pull out when, chuck open in usual clamps, and normally closed type clamper unclamps.
Preferably, the control method of above-mentioned a kind of drilling machine hydraulic logical control system, including：Turn round loop control logic
In, the shuttle valve obtains rotary motor state, logic control chuck open in usual and normally closed type clamper, and rotary motor rotates forward normally opened
Formula chuck clamps, normally closed type clamper unclamps drilling；Rotary motor rotating forward chuck open in usual clamps, shut-off valve cut-off, normally closed type
Clamper steps up to link closely；Rotary motor reversion chuck open in usual clamps, normally closed type clamper steps up shackle.
Preferably, the control method of above-mentioned a kind of drilling machine hydraulic logical control system, including：Power head locking logic is returned
Lu Zhong, the shuttle valve obtain rotary motor state, and the shuttle valve, which obtains, to be fed pull out oil cylinder state, and logic control is formed by shuttle valve
Network controls the unlatching of hydraulically-controlled one-way valve to be closed, and is fed when rotary motor rotation or fast feed multi-way valve or at a slow speed multi-way valve
During operation, hydraulic control one-way valve is opened, and otherwise hydraulic control one-way valve locking has been fed pull out oil cylinder, and the throttle valve realizes decompression drilling.
Therefore, the invention has the advantages that：Hydraulic control method drilling machine rotary motor, chuck open in usual, normally closed type folder
When holder and being fed pulls out hydraulic logical control, power head and motor action between oil cylinder, chuck normally closed type clamper open in usual
Auxiliary movement is coordinated by logic control network automatically, rig operations are simple, and degree is low before worker's work, and due to auxiliary movement certainly
Dynamic cooperation main actuating mechanism action, improves rig operations efficiency.Executing agency and auxiliary machine are realized using hydraulic control method
Action logic controls between structure, reduces the requirement to rig personnel's quantitative degree.Complicated automatically controlled system is not required simultaneously
System, system uses and maintenance cost reduces, relatively low to the overall qualities requirement of driller personnel.Loop control logic need not simultaneously
Excessive system back pressure and flow reduce hydraulic system energy loss, reduce Hydraulic System Fever.
Description of the drawings
Fig. 1 is drilling machine hydraulic logical control system；
Fig. 2 is that of the invention rise at a slow speed soon pulls out logical circuit hydraulic schematic diagram；
Fig. 3 is present invention chuck normally closed type clamper logical circuit hydraulic schematic diagram open in usual；
Fig. 4 is power head locking logical circuit hydraulic system principle figure of the present invention；
Fig. 5 is pressure control loop schematic diagram of the present invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
Referring to Fig. 1, Fig. 1 be present example hydraulic schematic diagram include pumping plant 1, it is fast be fed to pull out at a slow speed logical circuit 2,
Chuck normally closed type clamper logical circuit 3 open in usual, power head locking logical circuit 4, pressure control loop 5, rotary motor 6,
It chuck 7 open in usual, normally closed type clamper 8 and has been fed to pull out oil cylinder 9 and has formed.
Pumping plant 1 is preferably double pump, and main pump 101 selects large discharge pump, realizes that power head fast rotation and fast feed rise and pull out,
Auxiliary pump 102 be preferably constant pressure variable displacement pump selection small displacement pump, subsidiary loop pressure keep constant it is constant, realization be fed pull out at a slow speed
And it is subsidiary loop fuel feeding.Fast rise at a slow speed pulls out logical circuit 2 and realizes that quick rise of feed pulls out and be fed pull out conversion at a slow speed；It is open in usual
Chuck normally closed type clamper logical circuit 3 is for drill configuration action control rotary motor 6, chuck open in usual 7, normally closed type clamping
Device 8 and being fed pulls out the conversion of 9 working condition of oil cylinder；The power head locking control of logical circuit 4 has been fed pull out oil cylinder 9 in different works
Locking under condition is converted with floating；Pressure control loop 5 realizes drilling machine chuck 7 open in usual, normally closed type clamper 8, has been fed pull out
The pressure of oil cylinder 9 is adjusted.
Referring to Fig. 2, Fig. 2 pulls out logical circuit 2 for fast rise at a slow speed, including fast feed multi-way valve 201, is fed multi-way valve at a slow speed
202nd, shuttle valve 203, pilot operated directional control valve 204.201 middle position of fast feed multi-way valve is preferably " 0 " type, is fed multi-way valve 202 at a slow speed
Middle position is preferably Y-shaped.201A, B mouthfuls of fast feed multi-way valve is connected with A, B mouth of shuttle valve 203, the C mouths of shuttle valve 203 and hydraulic control
204 hydraulic control mouth X connections of reversal valve.202A, B mouthfuls of multi-way valve of feed is connected with pilot operated directional control valve 204A ', B ' mouths at a slow speed.
When fast feed multi-way valve 201 acts, pressure oil controls pilot operated directional control valve 204 to work in by shuttle valve 203
Position is fed at a slow speed 202A, B mouthfuls of cut-offs of multi-way valve.The control of fast feed multi-way valve 201 has been fed pull out the realization fast feed of oil cylinder 9
It rises and pulls out；When fast feed multi-way valve 201 is located at middle position, pilot operated directional control valve 204 works in bottom, and operation is fed at a slow speed multi-way valve
202A, B mouthfuls connect with being fed to pull out 9A, B mouthfuls of oil cylinder, since 201 middle position of fast feed multi-way valve is " O " type, middle position cut-off, this
When be fed at a slow speed multi-way valve 202 control be fed pull out oil cylinder 9, at a slow speed be fed multi-way valve 202 for small displacement oil pump feed, it can be achieved that slowly
Speed has been fed pull out.
Logical circuit 2 be fed to pull out at a slow speed soon by setting, the individually operated fast feed multi-way valve 201 of operating personnel, slowly
Speed feed multi-way valve 202, hydraulic system realizes power and energy automatically, simplifies rig operations.
Referring to Fig. 3, Fig. 3 chuck normally closed type clamper logical circuit hydraulic schematic diagrams open in usual include the logic control that makes a trip
Circuit 301, revolution loop control logic 302.
The logical circuit 301 that makes a trip includes making a trip power and energy multi-way valve 301a, liquor controlled multipath 301b, unidirectional
Valve 301c, hydraulic control one-way valve 301d are formed.
Make a trip power and energy multi-way valve 301a, A, B mouth be connected with being fed to pull out A, B mouthfuls of oil cylinder, A ', B ' and hydraulic control
A, b mouthfuls of connections of multi-way valve realize trip-out or the lower conversion for boring function, by obtaining the power and energy multi-way valve 301a that makes a trip,
Drilling machine is taken to be fed pull out 9A, B mouthfuls of pressure of oil cylinder, it is automatic by liquor controlled multipath 301b, check valve 301c, hydraulic control one-way valve 301d
Control the working condition of chuck 7 and normally closed type clamper 8 open in usual.
The chuck open in usual 7 and 8 working oil of normally closed type clamper are derived from auxiliary pump 102, and pressure is by pressure control loop 5
Control.
The power and energy multi-way valve 301a that makes a trip upper is lower brill logic, and fast feed multi-way valve 201 or at a slow speed feed are more
For the operation of road valve 202 to when giving carry, the pilot port a of liquor controlled multipath 301b is high pressure, liquor controlled multipath 301b work in it is upper,
High pressure oil is 7 fuel feeding of chuck open in usual by liquor controlled multipath 301b, check valve 301c, and chuck 7 open in usual steps up automatically, high
Pressure oil controls pilot operated valve device 302d shut-off valves 302c as 8 fuel feeding of normally closed type clamper by normally closed type clamper, normally closed type clamper 8
It is automatic to unclamp.Fast feed multi-way valve 201 or be fed at a slow speed the operation of multi-way valve 202 to rise pull out when, liquor controlled multipath 301b's
Pilot port b is high pressure, and liquor controlled multipath 301b works in bottom, and high-pressure oil flow opens hydraulic control one-way valve through liquor controlled multipath 301b
301d, chuck 7 open in usual control oily oil return box, 8 shut-off valve 302c of normally closed type clamper, normally closed type clamper control pilot operated valve device
302d is connected with fuel tank, 8 Automatic-clamping of normally closed type clamper.The power and energy multi-way valve 301a that makes a trip the next is trip-out logic,
Its principle with it is lower brill logic on the contrary, fast feed multi-way valve 201 or at a slow speed be fed multi-way valve 202 operation to give carry when, it is normally opened
Formula chuck 7 unclamps automatically, 8 Automatic-clamping of normally closed type clamper.Fast feed multi-way valve 201 or at a slow speed feed multi-way valve 202 grasp
Make to given pull out when, chuck 7 open in usual clamps, and normally closed type clamper 8 unclamps.
Turn round loop control logic 302 include shuttle valve 302a, chuck open in usual control pilot operated valve device 302b, shut-off valve 302c,
Normally closed type clamper control pilot operated valve device 302d.
The shuttle valve 302a obtains 6 state of rotary motor, and motor 6 rotates, and shuttle valve 302a obtains 6 high pressure oil of motor, control
It is upper that chuck open in usual controls pilot operated valve device 302b to work in, and high pressure oil is controlled normally opened by chuck open in usual control pilot operated valve device 302
Formula disk 7 clamps；Shuttle valve 302a obtains 6 high pressure oil of motor control normally closed type clamper control pilot operated valve device 302d and works in bottom, high
Pressure oil flows through normally closed type clamper control pilot operated valve device 302d, shut-off valve 302c control normally closed type chuck 8 and opens.Pass through logic control
Chuck 7 and normally closed type clamper 8 open in usual, rotary motor 6 rotate forward chuck 7 open in usual clamp, normally closed type clamper 8 unclamp bore
Into.Rotary motor 6 ends shut-off valve 302c before rotating, and chuck 7 open in usual clamps, since shut-off valve 302c ends at this time, often
Enclosed clamper 8 is thrown away in clamped condition, and the rotating forward of rotary motor 6 is linked closely, rotary motor 6 when inverting gripper chuck open in usual it is tight 7, often
Enclosed clamper 8 steps up shackle.
Chuck normally closed type clamper logical circuit 3 open in usual can realize 8 logic control of chuck 7 and normally closed type clamper open in usual
System, during making a trip or in normal drilling process, rig personnel only needs to operate rotary motor 6 or has been fed pull out oil cylinder
9 actions since chuck 7 open in usual and the work oil sources of normally closed type clamper 8 are derived from auxiliary pump, need not be fed pull out circuit
Back pressure, chuck and normally closed type clamper open in usual step up reliably.
4 hydraulic system principle figure of logical circuit is locked for power head referring to Fig. 4, Fig. 4, including shuttle valve 401,402, throttling
403 hydraulic control one-way valve 404,405 of valve.
Described shuttle valve 401B mouthfuls with shuttle valve 302aC mouthfuls be connected, 402C mouthfuls with shuttle valve of 401A mouthfuls of shuttle valve is connected, shuttle valve 402A, B
Mouth is connected respectively with check valve 404,405A mouthfuls, and 401C mouthfuls of shuttle valve is connected with hydraulic control one-way valve 404,405C mouthfuls, hydraulic control one-way valve
404th, it is connected with being fed to pull out 9A, B mouthfuls of oil cylinder for 405B mouthfuls.
The shuttle valve 302a obtains 6 state of rotary motor, and the shuttle valve 402, which obtains, to be fed pull out 9 for state of oil cylinder, passes through shuttle
Valve 302a, 401,402 form logic control network, and the unlatching of control hydraulically-controlled one-way valve 404,405 is closed, when 6 turns of rotary motor
When dynamic or fast feed multi-way valve 201 or the at a slow speed operation of feed multi-way valve 202, hydraulic control one-way valve 404,405 is opened, otherwise hydraulic control
The locking of check valve 404,405 has been fed pull out oil cylinder 9.The throttle valve 403 realizes decompression drilling.
Power head locks logical circuit 4 and has been fed pull out oil cylinder unlatching and locking by shuttle valve network and hydraulic control one-way valve composition
Logic control, when drilling machine main actuating mechanism is failure to actuate, locking has been fed pull out oil cylinder, can avoid feeding system under Gravitative Loads
Sliding, causes personnel or equipment damage.It is to be fed pull out oil cylinder 9 automatically in quick condition to work as unloading drilling tool simultaneously, is simplified
Rig operations, while contribute to the protection of screw thread during unloading drilling tool.
In practical applications, it is only necessary to main actuating mechanism be controlled to act, the action of auxiliary body is realized by logic control.
Rig personnel's labor intensity is low, and drilling machine is efficient.Drilling machine auxiliary body operating pressure is derived from high pressure fuel source, and logic control is returned
Road only needs smaller executing agency's operating pressure that can realize the action message of auxiliary body, and larger system is not required to carry on the back
Pressure, system pressure loss is small, efficient.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of drilling machine hydraulic logical control system, which is characterized in that including：
Pumping plant (1) with huge discharge main pump (101) and small displacement auxiliary pump (102)；
It pulls out fast rise at a slow speed of speed for having controlled to pull out oil cylinder (9) and rise and pulls out logical circuit (2)；
Wherein, fast rise at a slow speed pulls out logical circuit (2) and includes fast feed multi-way valve (201), is fed multi-way valve at a slow speed
(202), shuttle valve (203), pilot operated directional control valve (204)；A, B mouth connection shuttle valve (203) of the fast feed multi-way valve (201)
A, B mouthfuls, the hydraulic control mouth X of the C mouths connection pilot operated directional control valve (204) of shuttle valve (203)；A, B mouth of multi-way valve (202) are fed at a slow speed even
Connect A`, B` mouth of pilot operated directional control valve (204)；A, B mouthfuls of fast feed multi-way valve (201) is respectively with being fed at a slow speed multi-way valve (202)
A, then B mouthfuls of connections are pulled out A, B mouthfuls of oil cylinder (9) and are connected with rising.
2. a kind of drilling machine hydraulic logical control system according to claim 1, which is characterized in that further include：For controlling
The chuck normally closed type clamper logical circuit (3) open in usual of drill rig components working condition conversion；The chuck normally closed type open in usual
Clamper logical circuit (3) further comprises：Make a trip loop control logic (301), revolution loop control logic (302)；
The loop control logic (301) that wherein makes a trip obtains fast feed multi-way valve (201) state by shuttle valve (203), when fast
When speed feed multi-way valve (201) works, control pilot operated directional control valve (204), which ends, is fed at a slow speed multi-way valve (202), works as fast feed
When multi-way valve (201) does not work, feed multi-way valve (202) extremely rises and pulls out oil cylinder (9) circuit unicom at a slow speed；
It wherein turns round loop control logic (302) and power head status is obtained by shuttle valve (302a), when power head rotates, high pressure oil
By shuttle valve (302a) chuck open in usual is controlled to control night sky hair (302b) and normally closed type clamper that pilot operated valve device (302d) is controlled to control
System commutation, so as to control the folding of chuck open in usual (7) and normally closed type chuck (8).
3. a kind of drilling machine hydraulic logical control system according to claim 1, which is characterized in that further include：
Control has been fed pull out the power head locking logical circuit (4) of oil cylinder (9) locking and conversion of floating；Institute's power head locking logic
Circuit (4) further comprises：
Shuttle valve (401,402), hydraulic control one-way valve (404,405)；
Wherein shuttle valve (401,402), which has obtained, pulls out oil cylinder (9) and rotary motor (6) state, and oil cylinder (9) is pulled out when high pressure oil has flowed into
Or during rotary motor (6), high pressure oil control hydraulic control one-way valve (404,405) is opened；Oil cylinder (9) or rotary motor (6) are pulled out when rising
When not working, hydraulic control one-way valve (404,405) locking cylinder.
4. a kind of drilling machine hydraulic logical control system according to claim 1, which is characterized in that further include：It is used to implement
Pressure controlled pressure control loop (5)；It is further that pressure control loop (5) oil sources is derived from small displacement auxiliary pump (102)
Feed pressure, hand reducing pressure valve (502) control are normal at a slow speed for the control of hand reducing pressure valve (501,502), wherein hand reducing pressure valve (501)
Open type chuck (7) clamping force.
5. a kind of control method of drilling machine hydraulic logical control system according to claim 4, which is characterized in that including：
When fast feed multi-way valve (201) acts, pressure oil by shuttle valve (203) control pilot operated directional control valve (204) work in it is upper,
A, B mouthfuls of cut-offs of multi-way valve (202) are fed at a slow speed.Fast feed multi-way valve (201) control be fed to pull out oil cylinder (9) realization quickly to
It is pulled out into rising；When fast feed multi-way valve (201) is located at middle position, pilot operated directional control valve (204) works in bottom, and operation is fed at a slow speed more
The cut-off connection of A, B mouthfuls of road valve (202) is fed at a slow speed multi-way valve (202) and controls be fed to pull out oil cylinder (9) realize and be fed at a slow speed
It pulls out.
6. control method according to claim 5, which is characterized in that including：
The upper power and energy multi-way valve (301a) that makes a trip is lower brill logic, and fast feed multi-way valve (201) or at a slow speed feed are more
Road valve (202) operation is to when giving carry, and chuck (7) open in usual is stepped up automatically, and normally closed type clamper (8) unclamps automatically；Quickly give
Be fed into multi-way valve (201) or at a slow speed multi-way valve (202) operate to give pull out when, chuck (7) release open in usual, normally closed type presss from both sides
Holder (8) clamps.
The next power and energy multi-way valve (301a) that makes a trip is trip-out logic, and fast feed multi-way valve (201) or at a slow speed feed are more
Road valve (202) operation is to when giving carry, and chuck (7) open in usual is unclamped automatically, normally closed type clamper (8) Automatic-clamping.Quickly give
Be fed into multi-way valve (201) or at a slow speed multi-way valve (202) operate to give pull out when, chuck (7) clamping open in usual, normally closed type presss from both sides
Holder (8) is unclamped.
7. control method according to claim 5, which is characterized in that including：It turns round in loop control logic (302), institute
It states shuttle valve (302a) and obtains rotary motor (6) state, logic control chuck open in usual (7) and normally closed type clamper (8), turn round horse
Up to (6) rotating forward chuck (7) open in usual clamps, normally closed type clamper (8) unclamps drilling；Rotary motor (6) rotates forward chuck open in usual
(7) clamp, shut-off valve (302c) cut-off, normally closed type clamper (8) steps up to link closely；Rotary motor (6) inverts gripper chuck open in usual
Tightly (7), normally closed type clamper (8) step up shackle.
8. control method according to claim 5, which is characterized in that in power head locking logical circuit (4), the shuttle valve
(302a) obtain rotary motor (6) state, the shuttle valve (402), which is obtained, to be fed pull out oil cylinder (9) state, by shuttle valve (302a,
401st, logic control network 402) is formed, the unlatching of control hydraulically-controlled one-way valve (404,405) is closed, when rotary motor (6) rotates
Fast feed multi-way valve (201) or at a slow speed be fed multi-way valve (202) operate when, hydraulic control one-way valve (404,405) open, otherwise
Hydraulic control one-way valve (404,405) locking has been fed pull out oil cylinder (9), and the throttle valve (403) realizes decompression drilling.
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