CN108757608A - A kind of top drive hydraulic control system - Google Patents
A kind of top drive hydraulic control system Download PDFInfo
- Publication number
- CN108757608A CN108757608A CN201810947450.XA CN201810947450A CN108757608A CN 108757608 A CN108757608 A CN 108757608A CN 201810947450 A CN201810947450 A CN 201810947450A CN 108757608 A CN108757608 A CN 108757608A
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- China
- Prior art keywords
- valve
- hydraulic
- port
- hydraulic motor
- pressure
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Classifications
-
- 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
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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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/715—Output members, e.g. hydraulic motors or cylinders or control therefor having braking means
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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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/76—Control of force or torque of the output member
-
- 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
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/857—Monitoring of fluid pressure systems
Abstract
The present invention relates to petroleum and natural gas drilling equipment technical fields,More particularly to a kind of to use hydraulic motor,Pressure sensor and hydraulic disc brake device are to realize that principal shaft braking is driven on top,Oil circuit pressure monitoring in real time is complete with hydraulic motor,Drive hydraulic control system in the top of half displacement control,It includes that ontology is driven on top that hydraulic control system is driven on the top,Ontology, which is driven, with top is fixedly connected with top drive main shaft,Hydraulic motor,Hydraulic disc brake device and hydraulic motor control system,With the pumping source control system of hydraulic motor control system flexible connection,Hydraulic motor includes two sub- motors,It is hydraulic motor one and hydraulic motor two respectively,Hydraulic disc brake device is made of brake disc and braking clamp,Brake disc drives main shaft with top and is fixedly connected,Braking clamp drives ontology with top and is fixedly connected,Brake disc is placed in braking clamp,It is driven using the top of the hydraulic control system,Save floor space,Reduce the weight of entire hydraulic motor control system,Reduce Hydraulic System Fever serious situation,Realize rotation function when main shaft passive delivery is driven on top,The operating pressure of hydraulic motor can be monitored in real time,Reduce the risk of bottomhole dropout.
Description
Technical field
The present invention relates to petroleum and natural gas drilling equipment technical field, more particularly to hydraulic control system is driven on a kind of top.
Background technology
Hydraulic top, which drives to drive compared to electronic top under Same Efficieney, to be had the characteristics that small, light-weight, is widely used in small
In type drilling and workover machines, conventional hydraulic ram drive mostly uses high-speed motor band gear box structure, and hydraulic motor control system is complicated, gear
Case needs thin oil lubricant, cooling system, hydraulic system to use open system, and Hydraulic System Fever is serious, when top is driven in drilling well
Cheng Zhong mostly uses the locking of balanced valve or hydraulic control one-way valve in order to avoid main shaft inverts caused by reaction torque in hydraulic system
Mode is driven motor to top and is braked, but because the factors such as letting out in motor, and top is driven main shaft and still can slowly be inverted in practice；And it is discharging
It is inaccurate for bottomhole moment of torsion control by the way of hydraulic control one-way valve, balanced valve when reaction torque, it threads off there are drilling tool
Risk.
The prior art has the following problems：
1, the prior art is using high-speed motor band gear box structure, and hydraulic motor control system is complicated, and gear-box needs thin oil to moisten
Sliding, cooling system, causes entire motor control system bulky, floor space is larger, preponderance；
2, prior art hydraulic system uses open system, Hydraulic System Fever serious；
3, the prior art is driven motor to top using the locking mode of balanced valve and hydraulic control one-way valve and is braked, and can not absolutely prevent
Drive the reversion of main shaft in top；
4, it is inaccurate to the drilling tool moment of torsion control in shaft bottom that reaction torque is discharged by the way of check valve and balanced valve in the prior art,
There are the risks that drilling tool is threaded off.
To solve the above problems, needing to invent a kind of simplified top drive structure, hydraulic control system is driven on the top of high security.
Invention content
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, provide it is a kind of using hydraulic motor,
Pressure sensor and hydraulic disc brake device to realize that principal shaft braking is driven on top, oil circuit pressure monitors in real time and hydraulic motor it is complete,
Drive hydraulic control system in the top of half displacement control.
In order to achieve the above object, the present invention provides following technical solutions.
A kind of top drive hydraulic control system comprising：
Drive ontology in top；
Hydraulic motor control system, the hydraulic motor control system drive ontology with the top and are fixedly connected；
Hydraulic motor, the hydraulic motor are connected to the hydraulic motor control system, and the hydraulic motor is by two sub- motors
Composition, is hydraulic motor one and hydraulic motor two respectively, the hydraulic motor one and hydraulic motor two are by hydraulic motor casing group
It is combined, the hydraulic motor is hollow shaft structure, and the hydraulic motor one and hydraulic motor two drive main shaft for top simultaneously and carry
For torque, the working condition of the hydraulic motor one and hydraulic motor two realizes high speed or low-speed running that main shaft is driven on top, when
One delivery of the hydraulic motor work and two zero delivery of the hydraulic motor when exporting the hydraulic motor carry out half discharge capacity work
Make, the hydraulic motor drives the top drive main shaft to run at high speed, when the hydraulic motor one and hydraulic motor two simultaneously
Delivery realizes that the delivery work of the hydraulic motor, the hydraulic motor drive the top to drive main shaft and carries out low speed when working
Operating；
Main shaft is driven on top, and the top is driven main shaft and is fixedly connected with the hydraulic motor by spline, and the hydraulic motor directly drives
It drives main shaft and is operated in the top；
Pumping source control system, the pumping source control system are flexibly connected and are connected to the hydraulic motor control system, the pump
Source control system is the power source of entire hydraulic system,；
Hydraulic disc brake device, the hydraulic disc brake device drives main shaft with the top respectively and top is driven ontology and is fixedly connected, when described
When top drive main shaft needs braking, the hydraulic disc brake device, which provides normal pressure and is applied on the top drive main shaft, realizes institute
It states top and drives principal shaft braking, when needing the top to drive main shaft holding torque or reaction torque release in drilling process, can also pass through
The hydraulic disc brake device drives main shaft application pressure to realize relevant operation to the top.
As the preferred embodiment of the present invention, the pumping source control system includes prime mover, closing by the prime mover driven
Formula pumps and flushing pump, proportional pressure control valve one, solenoid directional control valve one and proportional pressure-reducing valve, described in described prime mover is driven by axis
Enclosed pumps and flushing pump, and the enclosed pump is one X1 of displacement control mouth and displacement control mouth two respectively there are two displacement control mouth
X2, one X1 of displacement control mouth are connect with described with the actuator port A of the solenoid directional control valve one respectively, the displacement control
Mouthful two X2 are connect with the actuator port B of the solenoid directional control valve one, the pressure oil-source import P of the solenoid directional control valve one with it is described
The pressure oil port P of the actuator port A connections of proportional pressure-reducing valve, the proportional pressure-reducing valve is connect with control oil sources K, the enclosed pump
Pressure cut off control port XA connect with the pressure oil port P of the proportional pressure control valve one, enclosed pump, proportional pressure control valve one
Oil return inlet T and the oil return inlet T of the solenoid directional control valve one connect with hydraulic oil container OT, closed model pump control liquefaction source is passed through
After the proportional pressure-reducing valve, controlled by the swash plate direction of a pair of enclosed pump of the solenoid directional control valve, and then control
The rotation direction of the hydraulic motor is realized to pump the enclosed and be arranged by the control to the proportional pressure-reducing valve output pressure
The control of amount, and then the velocity of rotation of the hydraulic motor is controlled, pass through the operating pressure to the proportional pressure control valve one
The control of the maximum pressure to enclosed pump oil inlet and outlet PA is realized in control, that is, is realized to the hydraulic motor output torque
Control, to realize " the drilling torque limitation " driven on top control.
As the preferred embodiment of the present invention, hydraulic oil filter, the hydraulic oil filter are connected in the enclosed pump
The hydraulic oil in built-in slippage pump is pumped to enclosed to be filtered, and filters the impurity generated during the work time.
As the preferred embodiment of the present invention, the hydraulic motor control system is by hydraulic motor pressure control system, freedom
Valve group, pressure sensor composition are taken turns, the freewheel valve group is connected to the hydraulic motor pressure control system, and the pressure passes
Sensor is connected on the oil circuit of the hydraulic motor pressure control system, and there are two the pressure sensors, is that pressure passes respectively
Sensor one and pressure sensor two, the hydraulic motor control system are connect with the flushing hydraulic fluid port F of the flushing pump, the flushing
It pumps and provides oil sources for the shell flushing of the hydraulic motor, the enclosed pump provides pressure oil for the hydraulic motor control system
Source.
As the present invention preferred embodiment, the freewheel valve group include shut-off valve two, overflow valve four, shuttle valve, two-way insert
Fill valve one, two-way plug-in valve two, pilot operated directional control valve one, pilot operated directional control valve two, solenoid directional control valve two, proportional pressure control valve two and unidirectional
Valve.
As the preferred embodiment of the present invention, the hydraulic motor pressure control system is by overflow valve one, overflow valve two, overflow
Valve three, shut-off valve one and flow control valve composition, the pressure oil port P oil returns with the overflow valve two respectively of the overflow valve one
The disengaging of mouth T, the actuator port A of shut-off valve one, the oil return inlet T of overflow valve three, the ontology hydraulic fluid port C1 of hydraulic motor one, enclosed pump
Hydraulic fluid port PB, pressure sensor one connect, the oil return inlet T of the overflow valve one respectively with the pressure oil port P of the overflow valve two, cut
The only oil inlet and outlet of the actuator port B of valve, the pressure oil port P of overflow valve three, the ontology hydraulic fluid port A1 of hydraulic motor one, enclosed pump
PA, pressure sensor two connect, and the actuator port A of the flow control valve is connect with the flushing hydraulic fluid port F of the flushing pump, described
The actuator port B of flow control valve connect with the flushing hydraulic fluid port F of the hydraulic motor, the drain tap D1 and D2 of the hydraulic motor
It is connect with the actuator port A of the check valve.
As the preferred embodiment of the present invention, the oil inlet and outlet PA and two of the actuator port A and enclosed pump of the shuttle valve
The actuator port A connections of logical inserted valve one, the actuator port B of the shuttle valve are inserted with the oil inlet and outlet PB and two-way of enclosed pump
The actuator port A connections of valve two are filled, the pressure oil port P of the shuttle valve is connect with the actuator port A of the solenoid directional control valve two, institute
State the actuator port B of solenoid directional control valve two respectively with actuator port B and oil return inlet T, the liquid controlled reversing of the pilot operated directional control valve one
The actuator port A and oil return inlet T of valve two, the oil return inlet T of proportional pressure control valve two, the actuator port B of check valve, system unloading port D
Connection, the system unloading port D are connected to hydraulic oil container OT, actuator port B2 and the shut-off valve of the two-way plug-in valve one
The ontology hydraulic fluid port C3 connections of two actuator port A, the pressure oil port P of overflow valve four, hydraulic motor two, the two-way plug-in valve one
Actuator port B1 connect with the actuator port A of the pilot operated directional control valve one, the control port X of the two-way plug-in valve one and institute
State control port X, the electricity of the control port X of pilot operated directional control valve one, the control port X of pilot operated directional control valve two, two-way plug-in valve two
The pressure oil port P connections of magnetic reversal valve two, the work of the actuator port B and the two-way plug-in valve two of the pilot operated directional control valve two
Hydraulic fluid port B2 connections, time of the actuator port B1 of the two-way plug-in valve two and actuator port B of the shut-off valve two, overflow valve four
The ontology hydraulic fluid port A3 connections of hydraulic fluid port T hydraulic motors two, the control port control with the overflow valve three respectively of the overflow valve four
The pressure oil port P connections of liquefaction mouth X, proportional pressure control valve two.
The flow control valve is used to adjust the flow for rinsing fluid, the overflow valve one and overflow valve two for limitation pair
Answer the maximum pressure in fluid pressure line and the compression shock for preventing the hydraulic motor from being generated in unexpected stop and pressure oscillation,
Anti-fall cavitation, the shut-off valve one and shut-off valve two top drive working condition when be closed, when top drive into
When row is safeguarded or overhauled, main shaft is driven if you need to rotate top in the case of no pressure oil-source, by the shut-off valve one and shut-off valve
Two open, and ontology hydraulic fluid port A1, A3, C1, C3 of the hydraulic motor are turned at this time, the work that the hydraulic motor can load outside
With lower rotation, the operation of " blank panel motor ", the pressure oil port P connections of the overflow valve three, overflow valve four, when the hydraulic pressure are realized
When ontology hydraulic fluid port A1 and the C3 oil inlet of motor, the hydraulic motor rotates clockwise, and main shaft is driven in the hydraulic pressure in the top at this time
Under the driving of motor in drilling well or upper button work, by the proportional pressure control valve if occurring bit bouncing situation in this work
Two discharge reaction torque, and the control of the solenoid directional control valve two switches the work shape of the delivery and half discharge capacity of the hydraulic motor
State, when the electromagnet YV5 of the solenoid directional control valve two is powered, the two-way plug-in valve one and two-way plug-in valve two control fluid
Be connected to the hydraulic oil container OT, the oil inlet and outlet PA and PB of the enclosed pump and ontology hydraulic fluid port A3 of the hydraulic motor two and
C3 is connected to, and the hydraulic motor is in delivery working condition at this time, and the hydraulic top drives to work in low or first gear, when the electromagnetism
When the electromagnet YV6 of reversal valve two is powered, enter the two-way plug-in valve one and two by the high voltage control fluid of the shuttle valve
In the control chamber of logical inserted valve two, while the pilot operated directional control valve one and pilot operated directional control valve two execute switch operation, the hydraulic pressure
The ontology hydraulic fluid port A3 and C3 of motor two is connected to unloading port D, under the back pressure effect of the check valve, the hydraulic motor 20
Discharge capacity output is in freewheel state, and the hydraulic motor is in half displacement operation state at this time, and hydraulic top drives in top gear work
Make.
As the preferred embodiment of the present invention, the hydraulic disc brake device is made of brake disc and braking clamp, the brake disc
Main shaft is driven with the top to be fixedly connected, the braking clamp drives ontology with the top and is fixedly connected, and the brake disc is placed in the brake
In vehicle pincers.
Compared with prior art, beneficial effects of the present invention：
1, the present invention directly drives top using hydraulic motor main shaft and drives main shaft, eliminates gear box structure, simplifies hydraulic motor
Control system eliminates thin oil lubricant, cooling system that original gear-box needs, reduces the body of entire motor control system
Product, saves floor space, reduces the weight of entire hydraulic motor control system；
2, hydraulic system of the invention uses closed system, reduces Hydraulic System Fever serious situation；
3, the rotational work when present invention increases shut-off valve to realize that main shaft passive delivery is driven on top in hydraulic motor control system
Energy；
4, two pressure sensors are increased in the hydraulic motor pressure control system in the present invention, for monitoring hydraulic motor
Operating pressure realizes that the control of main shaft output torque is driven on the top；
5, hydraulic disc brake device is used in the present invention, it can be achieved that pushing up the moment braking for driving main shaft, reduce bottomhole dropout
Risk；
6, hydraulic control system of the invention, which drives top, realizes two grades of switchings of rotating speed, can be achieved in nominal speed range stepless
Speed governing.
Description of the drawings
Fig. 1 is stereogram of the present invention；
Fig. 2 is pumping source control system block diagram of the present invention；
Fig. 3 is hydraulic motor control system block diagram of the present invention.
It is marked in figure：1- pumping source control systems, 11- encloseds pump, 12- prime mover, 13- flushing pumps, 14- proportional pressure control valves
One, 15- solenoid directional control valve one, 16- proportional pressure-reducing valves, 17- hydraulic oil filters, 2- hydraulic motor control systems, 21- hydraulic pressure horses
Up to control pressurer system, 211- overflow valves one, 212- overflow valves two, 213- shut-off valves one, 214- overflow valves three, 215- flow tune
Save valve, 22- freewheel valve groups, 220- shut-off valves two, 221- overflow valves four, 222- shuttle valves, 223- two-way plug-in valves one, 224- bis-
Logical inserted valve two, 225- pilot operated directional control valves one, 226- pilot operated directional control valves two, 227- solenoid directional control valves two, 228- proportional pressure control valves
Two, 229- check valve, 23- pressure sensors, 231- pressure sensors one, 232- pressure sensors two, 3- hydraulic motors, 31-
Hydraulic motor one, 32- hydraulic motors two, 4- drive on top ontology, and 5- drives on top main shaft, 6- hydraulic disc brake devices, 61- brake discs, 62- brakes
Vehicle clamps.
Specific implementation mode
With reference to embodiment and specific implementation mode, the present invention is described in further detail, but should not understand this
It is only limitted to embodiment below for the range of aforementioned body of the present invention, it is all that this is belonged to based on the technology that the content of present invention is realized
The protection domain of invention.
Embodiment 1
As shown in Figure 1, the present invention, which includes top, drives ontology 4, being fixedly connected with top with top drive ontology 4 drives main shaft 5, hydraulic motor 3, hydraulic pressure
Disc brake device 6 and hydraulic motor control system 2, the pumping source control system 1 being flexibly connected with hydraulic motor control system 2, hydraulic pressure
Motor 3 is made of hydraulic motor 1 and hydraulic motor 2 32, and hydraulic motor 1 and hydraulic motor 2 32 are existed by shell combination
Together, hydraulic disc brake device 6 is made of brake disc 61 and braking clamp 62, and brake disc 61 drives main shaft 5 with top and is fixedly connected, braking clamp
62 drive ontology 4 with top is fixedly connected, and brake disc 61 is placed in braking clamp 62, when needing braking, will be braked by braking clamp 62
The clamping of disk 61 is braked.
As shown in Fig. 2, pumping source control system 1 pumps 11, by prime mover including prime mover 12, the enclosed driven by prime mover 12
Flushing pump 13, proportional pressure control valve 1, solenoid directional control valve 1 and the proportional pressure-reducing valve 16 of 12 drivings, prime mover 12 pass through axis
Enclosed pump 11 and flushing pump 13 is driven to work, enclosed pump 11 is one X1 of displacement control mouth and discharge capacity respectively there are two displacement control mouth
Two X2 of control mouth, one X1 of displacement control mouth are connect with the actuator port A of solenoid directional control valve 1 respectively, two X2 of displacement control mouth with
The actuator port B connections of solenoid directional control valve 1, the work of the pressure oil-source import P and proportional pressure-reducing valve 16 of solenoid directional control valve 1
Make hydraulic fluid port A connections, the pressure oil port P of proportional pressure-reducing valve 16 is connect with control oil sources K, the pressure cut off control port of enclosed pump 11
XA is connect with the pressure oil port P of proportional pressure control valve 1, enclosed pump 11, the oil return inlet T of proportional pressure control valve 1 and electromagnetic switch
The oil return inlet T of valve 1 is connect with hydraulic oil container OT, in the present embodiment, hydraulic oil is also associated in the oil circuit of enclosed pump 11
Filter 17.
As shown in Fig. 2, hydraulic motor control system 2 is by hydraulic motor pressure control system 21, freewheel valve group 22, pressure
Sensor 23 forms, and freewheel valve group 22 is connected to hydraulic motor pressure control system 21, and pressure sensor 23 is connected to hydraulic pressure
On the oil circuit of motor pressure control system 21, there are two pressure sensors 23, is pressure sensor 1 and pressure sensing respectively
Device 2 232.
Hydraulic motor pressure control system 21 is by overflow valve 1, overflow valve 2 212, overflow valve 3 214, shut-off valve one
213 and flow control valve 215 form；Freewheel valve group 22 is inserted by shut-off valve 2 220, overflow valve 4 221, shuttle valve 222, two-way
Valve 1, two-way plug-in valve 2 224, pilot operated directional control valve 1, pilot operated directional control valve 2 226, solenoid directional control valve 2 227, ratio
Overflow valve 2 228 and check valve 229 form.
The pressure oil port P of overflow valve 1 respectively with the oil return inlet T of overflow valve 2 212, the working oil of shut-off valve 1
Mouth A, the oil return inlet T of overflow valve 3 214, the ontology hydraulic fluid port C1 of hydraulic motor 1, the oil inlet and outlet PB of enclosed pump 11, pressure pass
Sensor 1 connects, the oil return inlet T of overflow valve 1 work with the pressure oil port P of overflow valve 2 212, shut-off valve 213 respectively
Make hydraulic fluid port B, the pressure oil port P of overflow valve 3 214, the ontology hydraulic fluid port A1 of hydraulic motor 1, enclosed pump 11 oil inlet and outlet PA,
Pressure sensor 2 232 connects, and the actuator port A of flow control valve 215 is connect with the flushing hydraulic fluid port F of flushing pump 13, flow tune
Section valve 215 actuator port B connect with the flushing hydraulic fluid port F of hydraulic motor 3, drain tap D1, D2 and check valve of hydraulic motor 3
229 actuator port A connections；The oil inlet and outlet PA and two-way plug-in valve 1 of the actuator port A of shuttle valve 222 and enclosed pump 11
Actuator port A connections, the actuator port B of shuttle valve 222 respectively with the oil inlet and outlet PB and two-way plug-in valve 2 224 of enclosed pump 11
Actuator port A connections, the pressure oil port P of shuttle valve 222 connect with the actuator port A of solenoid directional control valve 2 227, solenoid directional control valve
2 227 actuator port B works with the actuator port B and oil return inlet T of pilot operated directional control valve 1, pilot operated directional control valve 2 226 respectively
Make hydraulic fluid port A and oil return inlet T, the oil return inlet T of proportional pressure control valve 2 228, the actuator port B of check valve 229, system unloading port D connect
It connects, system unloading port D is connected to hydraulic oil container OT, the work of the actuator port B2 and shut-off valve 2 220 of two-way plug-in valve 1
The ontology hydraulic fluid port C3 connections of hydraulic fluid port A, the pressure oil port P of overflow valve 4 221, hydraulic motor 2 32, the work of two-way plug-in valve 1
Make hydraulic fluid port B1 to connect with the actuator port A of pilot operated directional control valve 1, the control port X and liquid controlled reversing of two-way plug-in valve 1
Control port X, the electromagnetism of the control port X of valve 1, the control port X of pilot operated directional control valve 2 226, two-way plug-in valve 2 224
The pressure oil port P connections of reversal valve 2 227, the work of the actuator port B and two-way plug-in valve 2 224 of pilot operated directional control valve 2 226
Hydraulic fluid port B2 connections, the actuator port B1 of two-way plug-in valve 2 224 and the actuator port B of shut-off valve 2 220, overflow valve 4 221
Oil return inlet T is connect with the ontology hydraulic fluid port A3 of hydraulic motor 2 32, the control port X of overflow valve 4 221 respectively with overflow valve 3 214
Control port X, proportional pressure control valve 2 228 pressure oil port P connections.
Claims (8)
1. hydraulic control system is driven on a kind of top, it is characterised in that including：
Drive ontology in top；
Hydraulic motor control system, the hydraulic motor control system drive ontology with the top and are fixedly connected；
Hydraulic motor, the hydraulic motor are connected to the hydraulic motor control system, and the hydraulic motor includes two sub- horses
It reaches, is hydraulic motor one and hydraulic motor two respectively；
Main shaft is driven on top, and the top is driven main shaft and is fixedly connected with the hydraulic motor by spline, the hydraulic motor one and hydraulic pressure
Motor two-way is crossed to be fixedly connected by the spline with top drive main shaft respectively；
Pumping source control system, the pumping source control system are flexibly connected and are connected to the hydraulic motor control system；
Hydraulic disc brake device, the hydraulic disc brake device drives main shaft with the top respectively and top is driven ontology and is fixedly connected.
2. hydraulic control system is driven on a kind of top according to claim 1, it is characterised in that：The pumping source control system includes
Prime mover is depressurized by the enclosed pump and flushing pump, proportional pressure control valve one, solenoid directional control valve one and ratio of the prime mover driven
Valve, the enclosed pump are two X2 of one X1 of displacement control mouth and displacement control mouth, the discharge capacity control respectively there are two displacement control mouth
One X1 of donsole is connect with the actuator port A of the solenoid directional control valve one, two X2 of displacement control mouth and the solenoid directional control valve
One actuator port B connections, the pressure oil-source import P of the solenoid directional control valve one and actuator port A of the proportional pressure-reducing valve
The pressure oil port P of connection, the proportional pressure-reducing valve is connect with control oil sources K, the pressure cut off control port XA of the enclosed pump
It is connect with the pressure oil port P of the proportional pressure control valve one, the enclosed pump, the oil return inlet T of proportional pressure control valve one and the electromagnetism
The oil return inlet T of reversal valve one is connect with hydraulic oil container OT.
3. hydraulic control system is driven on a kind of top according to claim 2, it is characterised in that：It is connected with liquid in the enclosed pump
Pressure oil filter.
4. hydraulic control system is driven on a kind of top according to claim 2, it is characterised in that：The hydraulic motor control system
It is made of hydraulic motor pressure control system, freewheel valve group, pressure sensor, the freewheel valve group and the hydraulic motor
Control pressurer system is connected to, and the pressure sensor is connected on the oil circuit of the hydraulic motor pressure control system, the pressure
There are two force snesors, is pressure sensor one and pressure sensor two respectively.
5. hydraulic control system is driven on a kind of top according to claim 4, it is characterised in that：The freewheel valve group includes cutting
Only valve two, overflow valve four, shuttle valve, two-way plug-in valve one, two-way plug-in valve two, pilot operated directional control valve one, pilot operated directional control valve two, electromagnetism
Reversal valve two, proportional pressure control valve two and check valve.
6. hydraulic control system is driven on a kind of top according to claim 5, it is characterised in that：The hydraulic motor pressure control
System is made of overflow valve one, overflow valve two, overflow valve three, shut-off valve one and flow control valve, the pressure of the overflow valve one
Hydraulic fluid port P respectively with the oil return inlet T of the overflow valve two, the actuator port A of shut-off valve one, the oil return inlet T of overflow valve three, hydraulic pressure horse
Up to one ontology hydraulic fluid port C1, the oil inlet and outlet PB of enclosed pump, the connection of pressure sensor one, the oil return inlet T point of the overflow valve one
Not with the pressure oil port P of the overflow valve two, the actuator port B of shut-off valve, the pressure oil port P of overflow valve three, hydraulic motor one
Ontology hydraulic fluid port A1, enclosed pump oil inlet and outlet PA, pressure sensor two connect, the actuator port A of the flow control valve with
The flushing hydraulic fluid port F connections of the flushing pump, the actuator port B of the flow control valve and rinse mouth oil F of the hydraulic motor
Connection, drain tap D1, D2 of the hydraulic motor are connect with the actuator port A of the check valve.
7. hydraulic control system is driven on a kind of top according to claim 5, it is characterised in that：The actuator port A of the shuttle valve
It is connect with the actuator port A of the oil inlet and outlet PA of enclosed pump and two-way plug-in valve one, the actuator port B difference of the shuttle valve
It is connect with the actuator port A of the oil inlet and outlet PB of enclosed pump and two-way plug-in valve two, the pressure oil port P of the shuttle valve and institute
State the actuator port A connections of solenoid directional control valve two, the actuator port B of the solenoid directional control valve two respectively with the pilot operated directional control valve
The oil return opening of one actuator port B and oil return inlet T, the actuator port A and oil return inlet T, proportional pressure control valve two of pilot operated directional control valve two
T, the actuator port B of check valve, the D connections of system unloading port, the system unloading port D are connected to hydraulic oil container OT, the two-way
The actuator port B2 of inserted valve one and the actuator port A of the shut-off valve two, the pressure oil port P of overflow valve four, hydraulic motor two
The C3 connections of ontology hydraulic fluid port, the actuator port B1 of the two-way plug-in valve one and the actuator port A of the pilot operated directional control valve one connect
It connects, the control of the control port X of the two-way plug-in valve one and the control port X, pilot operated directional control valve two of the pilot operated directional control valve one
The pressure oil port P connections of liquefaction mouth X, the control port X of two-way plug-in valve two, solenoid directional control valve two, the pilot operated directional control valve two
Actuator port B connect with the actuator port B2 of the two-way plug-in valve two, the actuator port B1 of the two-way plug-in valve two with
The actuator port B of the shut-off valve two, the oil return inlet T of overflow valve four are connect with the ontology hydraulic fluid port A3 of hydraulic motor two, described to overflow
The control port of stream valve four is connect with the pressure oil port P of the control port X of the overflow valve three, proportional pressure control valve two respectively.
8. hydraulic control system is driven on a kind of top according to claim 1, it is characterised in that：The hydraulic disc brake device is by stopping
Hull and braking clamp composition, the brake disc drive main shaft with the top and are fixedly connected, and the braking clamp drives ontology with the top and consolidates
Fixed connection, the brake disc are placed in the braking clamp.
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| CN201810947450.XA CN108757608A (en) | 2018-08-20 | 2018-08-20 | A kind of top drive hydraulic control system |
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| CN201810947450.XA CN108757608A (en) | 2018-08-20 | 2018-08-20 | A kind of top drive hydraulic control system |
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| CN108757608A true CN108757608A (en) | 2018-11-06 |
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| CN201810947450.XA Pending CN108757608A (en) | 2018-08-20 | 2018-08-20 | A kind of top drive hydraulic control system |
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| AU1297988A (en) * | 1987-02-20 | 1988-09-14 | Hitachi Construction Machinery Co. Ltd. | Pilot-operated hydraulic circuit and hydraulic quick exhaust valve |
| CN2307731Y (en) * | 1997-04-30 | 1999-02-17 | 浙江大学 | Electrohydraulic proportion controlled closed power stoering gear for sonar winch |
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| CN203835849U (en) * | 2014-05-29 | 2014-09-17 | 杭州爱力领富科技有限公司 | Torque control device of petroleum top drive hydraulic closed type system |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
| CN105545882A (en) * | 2016-01-15 | 2016-05-04 | 浙江大学 | Electro-hydraulic synchronous uniform loading cutter driving system of tunneling machine |
| CN106032261A (en) * | 2016-07-20 | 2016-10-19 | 浙江大学 | Tension control device of high-power hydraulic winch |
| CN206290503U (en) * | 2016-12-02 | 2017-06-30 | 三一集团有限公司 | Drive and rig on a kind of explosion-proof top |
| CN209195844U (en) * | 2018-08-20 | 2019-08-02 | 四川宏华石油设备有限公司 | A kind of top drive hydraulic control system |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1297988A (en) * | 1987-02-20 | 1988-09-14 | Hitachi Construction Machinery Co. Ltd. | Pilot-operated hydraulic circuit and hydraulic quick exhaust valve |
| CN2307731Y (en) * | 1997-04-30 | 1999-02-17 | 浙江大学 | Electrohydraulic proportion controlled closed power stoering gear for sonar winch |
| 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 |
| CN203835849U (en) * | 2014-05-29 | 2014-09-17 | 杭州爱力领富科技有限公司 | Torque control device of petroleum top drive hydraulic closed type system |
| CN104389514A (en) * | 2014-11-15 | 2015-03-04 | 吉林大学 | High-speed large-torque full-hydraulic top drive well-drilling device |
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| CN106032261A (en) * | 2016-07-20 | 2016-10-19 | 浙江大学 | Tension control device of high-power hydraulic winch |
| CN206290503U (en) * | 2016-12-02 | 2017-06-30 | 三一集团有限公司 | Drive and rig on a kind of explosion-proof top |
| CN209195844U (en) * | 2018-08-20 | 2019-08-02 | 四川宏华石油设备有限公司 | A kind of top drive hydraulic control system |
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