CN106194857A - Hydraulic lifting and automaton - Google Patents
Hydraulic lifting and automaton Download PDFInfo
- Publication number
- CN106194857A CN106194857A CN201510227308.4A CN201510227308A CN106194857A CN 106194857 A CN106194857 A CN 106194857A CN 201510227308 A CN201510227308 A CN 201510227308A CN 106194857 A CN106194857 A CN 106194857A
- Authority
- CN
- China
- Prior art keywords
- controller
- motor
- hydraulic
- plunger
- hydraulic lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of hydraulic lifting and automaton, this device includes controller, motor, front pump/motor, front hydraulic control one-way valve, accumulator, rear pump/motor, rear hydraulic control one-way valve, wellhead hydraulic cylinder and fuel tank, one end of this motor is sequentially connected with this front pump/motor, this front hydraulic control one-way valve and this accumulator, the other end of this motor is sequentially connected with this rear pump/motor, this rear hydraulic control one-way valve and this wellhead hydraulic cylinder, this front pump/motor and this rear pump/motor are connected to this fuel tank, this controller is connected to this motor, and control the operation of this motor, so that this motor rotarily drives this front pump/motor and this rear pump/motor, drive hydraulic oil, carry out power transmission, so that described accumulator accumulation of energy or release energy, the plunger in this wellhead hydraulic cylinder is driven to run up and down.This hydraulic lifting and automaton can control hydraulic pressure lifting device and automatically run, it is achieved manufacturing parameter regulates, and running for system provides security protection.
Description
Technical field
The present invention relates to oil exploitation device, especially relate to a kind of hydraulic lifting and automaton.
Background technology
In oilfield process, pressure break, acidifying are the major measure of oil-water well increasing yield and injection, produce during fracture acidizing
Residue impurity and secondary precipitate etc. easily cause Reservoir Fracture and pore plugging, reduce measure effect.In order to reduce measure pair
The secondary pollution of downhole formation, needs the row's of returning working fluid as early as possible after measure.The up-to-date oil-water well of the most on-the-spot application returns drainage technique
For exploration well oil test continuous draining technology, this technology realizes power transmission only with mechanical drive mode, runs up and down at suspension point
During there is no balanced design, by heating resistor consume suspension point descending time potential energy acting, system energy consumption is high.Hydraulic lifting and
Automaton uses hydraulic pressure and mechanical power transmission system to drive well head lifting hydraulic cylinder, is stored by hydraulic accumulator
The descending potential energy of roofbolt, when roofbolt is up, release stores energy, helps motor acting, it is achieved the lifting to down-hole liquid.
Hydraulic lifting and automaton can make full use of the descending potential energy of roofbolt, help roofbolt up, not only reduce system
Energy consumption, and reduce the installed power driving motor, it is achieved that oil field produces energy-saving and cost-reducing purpose.
Summary of the invention
It is an object of the invention to provide a kind of hydraulic lifting and automaton, it is achieved the lifting of down-hole liquid, Yi Jisheng
Produce in running the purposes such as manufacturing parameter regulation, security protection.
The purpose of the present invention can be achieved by the following technical measures: hydraulic lifting and automaton, this hydraulic lifting
And automaton includes controller, motor, front pump/motor, front hydraulic control one-way valve, accumulator, rear pump/motor,
Rear hydraulic control one-way valve, wellhead hydraulic cylinder and fuel tank, one end of this motor is sequentially connected with this front pump/motor, this front hydraulic control list
To valve and this accumulator, the other end of this motor is sequentially connected with this rear pump/motor, this rear hydraulic control one-way valve and this wellhead liquid
Cylinder pressure, this front pump/motor and this rear pump/motor are connected to this fuel tank, and this controller is connected to this motor, and controls
Make the operation of this motor, so that this motor rotarily drives this front pump/motor and this rear pump/motor, drive hydraulic oil,
Carry out power transmission, so that described accumulator accumulation of energy or release energy, drive the plunger in this wellhead hydraulic cylinder to run up and down.
The purpose of the present invention realizes also by following technical measures:
This hydraulic lifting and automaton also include high pressure slippage pump and low pressure slippage pump, and this high pressure slippage pump connects respectively
Being connected to this hydraulic lifting and the high pressure line of automaton and fuel tank, this low pressure slippage pump is connected to this hydraulic pressure and lifts
Rising and the low-pressure line of automaton and fuel tank, this controller is connected to this high pressure slippage pump and this low pressure slippage pump,
To control this high pressure slippage pump and this low pressure slippage pump, the hydraulic oil in this fuel tank is pumped into this hydraulic lifting and automatically controls
In the high and low pressure pipeline of device.
This controller also detects this high pressure slippage pump and whether this low pressure slippage pump exists fault, and at this high pressure slippage pump or
When this low pressure slippage pump exists fault, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automaton also include temperature sensor, heater and air cooler, and this temperature sensor is even
It is connected to this fuel tank, detects the temperature of hydraulic oil in this fuel tank and the temperature of hydraulic oil is transferred to this controller, this heater
Being positioned in this fuel tank, this air cooler is positioned at above this fuel tank, and this controller is connected to this temperature sensor, this heating
Device and this air cooler, when this temperature sensor detects the setting value lower limit that the temperature of hydraulic oil is arranged less than this controller,
This controller starts this heater, heats hydraulic oil;When the setting value upper limit arranged higher than this controller, this controller opens
This air cooler dynamic, reduces hydraulic fluid temperature.
This controller also detects whether this air cooler exists fault, and when this air cooler exists fault, this controller is carried out
Malfunction coefficient and warning.
This hydraulic lifting and automaton also include liquid level sensor, and this liquid level sensor is positioned in this fuel tank, and even
Being connected to this controller, this liquid level sensor detects the liquid level of this fuel tank and the level value of detection is transferred to this controller, when
When the liquid level that this liquid level sensor detects is not in the liquid level value range that this controller sets, this controller carries out fault and shows
Show and report to the police.
This hydraulic lifting and automaton also include energy storage pressure table, and this energy storage pressure table is connected to this accumulator
With this controller, detect the pressure of this accumulator, and energy storage pressure is transferred to this controller, when this energy storage pressure
When the energy storage pressure that table detects is not in the energy storage pressure value range that this controller sets, this controller carries out fault
Display and warning.
This hydraulic lifting and automaton also include wellhead hydraulic cylinder Pressure gauge, and this wellhead hydraulic cylinder Pressure gauge is connected to
This wellhead hydraulic cylinder and this controller, detect the pressure of this wellhead hydraulic cylinder, and by wellhead hydraulic cylinder pressure transmission to this control
Device processed, the wellhead hydraulic cylinder that the wellhead hydraulic cylinder pressure detected when this wellhead hydraulic cylinder Pressure gauge does not sets at this controller
Time in pressure limit value, this controller carries out malfunction coefficient and warning.
This hydraulic lifting and automaton also include displacement transducer, and this displacement transducer is positioned at this wellhead hydraulic cylinder,
The top of this plunger, and it is connected to this controller, to detect the displacement of this plunger, and plunger displacement information is transferred to this
Controller, this controller controls this motor according to plunger displacement information and this controller operational factor set in advance
Rotating forward and reversely, the running status of this plunger is also shown by this controller in real time.
This controller operational factor set in advance includes setting the stroke of plunger and the stroke of jig frequency, i.e. this plunger and operation
Speed, this motor rotates forward, and this plunger is up, when this displacement transducer detects that this plunger arrives the higher limit set,
This motor inverts, and this plunger is descending;When this displacement transducer detects that this plunger arrives lower limit, this motor is just
Turning, this plunger is up;This controller controls the rotating speed of this motor by the spurt set, thus controls the upper of this plunger
The lower speed of service.
When the setting stroke that the plunger displacement information that this displacement transducer detects is arranged beyond this controller, this controller
Carry out malfunction coefficient and warning.
This hydraulic lifting and automaton also include solenoid directional control valve, and this solenoid directional control valve is connected to this front hydraulic control
Check valve, this rear hydraulic control one-way valve and this fuel tank, this controller is connected to this solenoid directional control valve, and by controlling this electromagnetism
This front hydraulic control one-way valve and this rear hydraulic control one-way valve are controlled by reversal valve, it is achieved this plunger of this wellhead hydraulic cylinder is in office
Meaning position starts and shuts down.
Hydraulic lifting in the present invention and automaton, it is possible to achieve the hydraulic system lifting to oil well, the most also may be used
To store the descending potential energy of load, provide balance to hoisting system, reduce system energy consumption, reduce and drive power of motor;Control
Device achieves the functions such as manufacturing parameter regulation, hydraulic system monitoring of working condition and regulation, improves what hydraulic lifting system ran
Automaticity and security performance.Hydraulic lifting in the present invention and automaton, control motor by controller
Rotate, drive hydraulic system principle, control wellhead hydraulic cylinder plug and run up and down, promote and transfer down-hole roofbolt;System intelligence
Change degree is high, has visualized operation interface, real-time display system monitor state, and on-line control controls parameter;The most not
It is interrupted and high pressure repairing motor, low pressure repairing motor, the pressure and temp etc. of hydraulic system are monitored and control, ensure system
System safe and stable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of the hydraulic lifting of the present invention and automaton.
Detailed description of the invention
For making the above and other objects, features and advantages of the present invention to become apparent, cited below particularly go out preferred embodiment,
And coordinate shown in accompanying drawing, it is described in detail below.
As it is shown in figure 1, the hydraulic lifting that Fig. 1 is the present invention and the schematic diagram of automaton.This hydraulic lifting and automatically
Control device bag accumulator 1, motor 2, front pump/motor 3, rear pump/motor 4, wellhead hydraulic cylinder 5, plunger 6, displacement
Sensor 7, solenoid directional control valve 8, front hydraulic control one-way valve 9, rear hydraulic control one-way valve 10, high pressure slippage pump 11, low pressure slippage pump
12, air cooler 13, heater 14, temperature sensor 15, liquid level sensor 16, energy storage pressure table 17, wellhead hydraulic
Cylinder Pressure gauge 18, fuel tank 19, controller 20.Liquid level sensor 16 is for detecting the liquid level of fuel tank 19, energy storage pressure table
17 and wellhead hydraulic cylinder Pressure gauge 18 detect accumulator 1 and the pressure of wellhead hydraulic cylinder 5 respectively, displacement transducer 7 is used for detecting
The displacement of plunger 6, temperature sensor 15 is for detecting the temperature of hydraulic medium, and air cooler 13 and heater 14 are used for hydraulic pressure
Medium cools down and heats.
When hydraulic lifting and automaton run, controller 20 first carry out the liquid level to fuel tank 19, pressure oil temperature,
Accumulator 1 and the pressure of wellhead hydraulic cylinder 5, high pressure slippage pump 11 fault, low pressure slippage pump 12 fault, air cooler 13 fault
Etc. detecting;When the pressure of liquid level, the temperature of pressure oil, accumulator 1 and the wellhead hydraulic cylinder 5 of fuel tank 19 is not setting
In the range of, when high pressure slippage pump 11, low pressure slippage pump 12, air cooler 13 etc. are faulty, controller 20 is shown by operation
Screen carries out malfunction coefficient and reports to the police;When, after failture evacuation, controller 20 starts high pressure slippage pump 11, low pressure slippage pump 12,
Hydraulic oil in fuel tank 19 is pumped in the pipeline of hydraulic system, run ready for hydraulic system;Controller 20 starts electricity
Motivation 2, motor 2 rotarily drives front pump/motor 3 and rear pump/motor 4, drives hydraulic oil, carries out power transmission, drives
The plunger about 6 of wellhead hydraulic cylinder 5 runs;Control solenoid directional control valve 8 by controller 20, to front hydraulic control one-way valve 9 and after
Hydraulic control one-way valve 10 is controlled, it is achieved the optional position of hydraulic system starts and shuts down, and its control process is: controller
20 control the different coil electricities of solenoid directional control valve 8 by the signal of telecommunication so that solenoid directional control valve 8 different port turns on, high pressure
Or low-pressure fluid is by solenoid directional control valve 8, hydraulic control one-way valve 9 or the control mouth of rear hydraulic control one-way valve 10 before flowing to;Work as control
When donsole connects high-pressure fluid, hydraulic control one-way valve two-way admittance, hydraulic system is properly functioning;Lowpressure stream is connected when controlling mouth
During body, hydraulic control one-way valve one-way conduction, it is achieved hydraulic system is out of service;By controller 20 can to the stroke of plunger 6,
The operational factors such as jig frequency are adjusted, and controller 2 is according to the operational factor set and the detection data of displacement transducer 7, logical
Overregulate the commutation of the rotating speed of motor 2, it is achieved the upper and lower and friction speed of plunger 6 is run, and display each several part runs in real time
Situation.On controller 20, man machine operation interface is installed, parameter setting can be carried out, plunger 6 running status shows in real time,
Fault category shows and flashes warning;When fuel tank 19 liquid level is low, hydraulic fluid temperature exceeds scope of design, and displacement transducer 7 is examined
The displacement measured is beyond setting stroke, when air cooler 13, high pressure slippage pump 11, low pressure slippage pump 12 electrical fault, controls
Device 20 carries out malfunction coefficient and warning.
When temperature sensor 15 detects that hydraulic medium temperature exceeds system design values scope, if less than setting value lower limit,
Controller 20 starts heater 14, heats hydraulic medium;If above the setting value upper limit, controller starts air cooler 13,
Reduce hydraulic medium temperature.
Hydraulic lifting in the present invention and automaton, control motor 2 by controller 20 and rotate, after driving pump
Motor 4, hydraulic medium extruding is internal to wellhead hydraulic cylinder 5, drive plunger 6 up, now accumulator 1 releases energy,
Drive front pump motor 3 rotate, help motor 2 do work;When controller 20 control motor 2 reversely rotate time, down-hole carry
Lotus drives plunger 6 descending, extrudes hydraulic medium, Beng motor 4 after driving, and driving electric machine 2 rotates, and drives Qian Beng motor
3, the acting of descending for plunger 6 potential energy is stored in accumulator 1;During plant running, hydraulic system is transported by controller 20
Row carries out calculating, analyze and automatically controlling, and mainly runs ginseng according to plunger 6 displacement signal and controller are set in advance
Numerical control motor 2 rotates forward and reversely.Stroke and jig frequency (the namely stroke of plunger of plunger is set by controller
And the speed of service).When plunger 6 is descending, when displacement transducer 7 detects that plunger 6 displacement reaches the stroke that controller 20 sets
After, controller 20 controls motor 2 and shuts down, and then actuating motor 2 reversely rotates, and hydraulic system drives plunger 6 up,
When plunger 6 goes upward to after top dead center, and controller 20 controls motor powered machine 2 and shuts down, and then actuating motor 2 reversely rotates,
Drive plunger 6 up.Pressure in hydraulic circuit is monitored simultaneously, controls heater 14 and air cooler 13 and hydraulic pressure is situated between
Matter temperature is adjusted, and control high pressure slippage pump 11, low pressure slippage pump 12 run, and is configured regulation to controlling parameter,
Security of system situation is monitored, it is achieved the safe and stable operation of hydraulic lifting system.
Claims (12)
1. hydraulic lifting and automaton, it is characterised in that this hydraulic lifting and automaton include controller, electricity
Motivation, front pump/motor, front hydraulic control one-way valve, accumulator, rear pump/motor, rear hydraulic control one-way valve, wellhead hydraulic cylinder and
Fuel tank, one end of this motor is sequentially connected with this front pump/motor, this front hydraulic control one-way valve and this accumulator, this motor
The other end is sequentially connected with this rear pump/motor, this rear hydraulic control one-way valve and this wellhead hydraulic cylinder, and this front pump/motor and this rear pump/
Motor is connected to this fuel tank, and this controller is connected to this motor, and controls the operation of this motor, so that this electricity
Motivation rotarily drives this front pump/motor and this rear pump/motor, drives hydraulic oil, carries out power transmission, so that described accumulation of energy
Device accumulation of energy or release energy, drives the plunger in this wellhead hydraulic cylinder to run up and down.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device processed also includes high pressure slippage pump and low pressure slippage pump, and this high pressure slippage pump is connected to this hydraulic lifting and automatically controls
The high pressure line of device processed and fuel tank, this low pressure slippage pump is connected to the low pressure of this hydraulic lifting and automaton
Pipeline and fuel tank, this controller is connected to this high pressure slippage pump and this low pressure slippage pump, to control this high pressure slippage pump and to be somebody's turn to do
Low pressure slippage pump, pumps into the hydraulic oil in this fuel tank in the high and low pressure pipeline of this hydraulic lifting and automaton.
Hydraulic lifting the most according to claim 2 and automaton, it is characterised in that this controller also detects this height
Whether pressure slippage pump and this low pressure slippage pump exist fault, and when this high pressure slippage pump or this low pressure slippage pump exist fault,
This controller carries out malfunction coefficient and warning.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device also includes temperature sensor, heater and air cooler, and this temperature sensor is connected to this fuel tank, detects in this fuel tank
The temperature of hydraulic oil is also transferred to this controller by the temperature of hydraulic oil, and this heater is positioned in this fuel tank, this air cooler position
Above this fuel tank, this controller is connected to this temperature sensor, and this heater and this air cooler, when this temperature passes
Sensor detects the setting value lower limit that the temperature of hydraulic oil is arranged less than this controller, and this controller starts this heater, adds
Hydrothermal solution force feed;When the setting value upper limit arranged higher than this controller, this controller starts this air cooler, reduces hydraulic oil temperature
Degree.
Hydraulic lifting the most according to claim 4 and automaton, it is characterised in that this controller also detects this wind
Whether cooler exists fault, and when this air cooler exists fault, this controller carries out malfunction coefficient and warning.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device processed also includes liquid level sensor, and this liquid level sensor is positioned in this fuel tank, and is connected to this controller, and this liquid level passes
Sensor detects the liquid level of this fuel tank and the level value of detection is transferred to this controller, when the liquid that this liquid level sensor detects
When position is not in the liquid level value range that this controller sets, this controller carries out malfunction coefficient and warning.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device processed also includes energy storage pressure table, and this energy storage pressure table is connected to this accumulator and this controller, detects this accumulation of energy
The pressure of device, and energy storage pressure is transferred to this controller, the energy storage pressure detected when this energy storage pressure table is not
Time in the energy storage pressure value range that this controller sets, this controller carries out malfunction coefficient and warning.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device processed also includes wellhead hydraulic cylinder Pressure gauge, and this wellhead hydraulic cylinder Pressure gauge is connected to this wellhead hydraulic cylinder and this controller,
Detect the pressure of this wellhead hydraulic cylinder, and give this controller by wellhead hydraulic cylinder pressure transmission, when this wellhead hydraulic cylinder pressure
When the wellhead hydraulic cylinder pressure that table detects is not in the wellhead hydraulic cylinder pressure limit value that this controller sets, this controller
Carry out malfunction coefficient and warning.
Hydraulic lifting the most according to claim 1 and automaton, it is characterised in that this hydraulic lifting and automatically controlling
Device processed also includes displacement transducer, and this displacement transducer is positioned at this wellhead hydraulic cylinder, the top of this plunger, and connects
In this controller, to detect the displacement of this plunger, and plunger displacement information is transferred to this controller, this controller according to
Plunger displacement information and this controller operational factor set in advance control rotating forward and reversely of this motor, this control
The running status of this plunger is also shown by device processed in real time.
Hydraulic lifting the most according to claim 9 and automaton, it is characterised in that this controller is set in advance
Operational factor includes setting the stroke of plunger and the stroke of jig frequency, i.e. this plunger and the speed of service, and this motor rotates forward, should
Plunger is up, and when this displacement transducer detects that this plunger arrives the higher limit set, this motor inverts, this plunger
Descending;When this displacement transducer detects that this plunger arrives lower limit, this motor rotates forward, and this plunger is up;This control
Device processed controls the rotating speed of this motor by the spurt set, thus controls the speed of service up and down of this plunger.
11. hydraulic lifting according to claim 9 and automatons, it is characterised in that when this displacement transducer detects
During the setting stroke that the plunger displacement information arrived is arranged beyond this controller, this controller carries out malfunction coefficient and warning.
12. hydraulic lifting according to claim 1 and automatons, it is characterised in that this hydraulic lifting and from
Dynamic control device also includes solenoid directional control valve, and this solenoid directional control valve is connected to this front hydraulic control one-way valve, this rear hydraulic control list
To valve and this fuel tank, this controller is connected to this solenoid directional control valve, and by controlling this solenoid directional control valve to this front hydraulic control list
It is controlled to valve and this rear hydraulic control one-way valve, it is achieved this plunger of this wellhead hydraulic cylinder starts at an arbitrary position and shuts down.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510227308.4A CN106194857A (en) | 2015-05-07 | 2015-05-07 | Hydraulic lifting and automaton |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510227308.4A CN106194857A (en) | 2015-05-07 | 2015-05-07 | Hydraulic lifting and automaton |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106194857A true CN106194857A (en) | 2016-12-07 |
Family
ID=57459079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510227308.4A Pending CN106194857A (en) | 2015-05-07 | 2015-05-07 | Hydraulic lifting and automaton |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106194857A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108278248A (en) * | 2018-03-20 | 2018-07-13 | 阜新市石油工具厂 | Hydraulic petroleum lifting device intelligence control system |
CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
CN111630274A (en) * | 2018-01-30 | 2020-09-04 | 科美特米有限公司 | Deep well pump and method of use |
CN113338879A (en) * | 2021-07-09 | 2021-09-03 | 德州华海石油机械股份有限公司 | Automatic control system and control method of horizontal pressure flooding injection device for oil field |
CN113701549A (en) * | 2021-09-06 | 2021-11-26 | 浙江尔格科技股份有限公司 | Energy-saving control device and control method for closed-cycle oil-water heat exchange system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001253649A (en) * | 2000-03-15 | 2001-09-18 | Oil Drive Kogyo Kk | Hydraulic circuit for hydraulic elevator |
CN1987124A (en) * | 2006-12-14 | 2007-06-27 | 浙江大学 | Energy saving hydraulic lifting system of variable hydraulic counterweight |
CN101070864A (en) * | 2007-06-25 | 2007-11-14 | 哈尔滨工业大学 | Energy-store state-liquid driving device of secondary flow-regulation coupling hydraulic energy accumulator |
CN202597343U (en) * | 2012-05-29 | 2012-12-12 | 郑州正弘桩工机械制造有限公司 | Temperature regulation device for hydraulic oil tank |
CN203097844U (en) * | 2013-02-26 | 2013-07-31 | 博世力士乐(常州)有限公司 | Power unit of hydraulic pumping unit and hydraulic pumping unit comprising power unit |
CN203939795U (en) * | 2014-05-23 | 2014-11-12 | 中国石油化工股份有限公司 | Hydraulic power unit |
CN204213079U (en) * | 2014-11-07 | 2015-03-18 | 中国石油化工股份有限公司 | A kind of hydraulic brake circuit |
CN204692203U (en) * | 2015-05-07 | 2015-10-07 | 中国石油化工股份有限公司 | A kind of hydraulic lifting and automatic controller |
-
2015
- 2015-05-07 CN CN201510227308.4A patent/CN106194857A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001253649A (en) * | 2000-03-15 | 2001-09-18 | Oil Drive Kogyo Kk | Hydraulic circuit for hydraulic elevator |
CN1987124A (en) * | 2006-12-14 | 2007-06-27 | 浙江大学 | Energy saving hydraulic lifting system of variable hydraulic counterweight |
CN101070864A (en) * | 2007-06-25 | 2007-11-14 | 哈尔滨工业大学 | Energy-store state-liquid driving device of secondary flow-regulation coupling hydraulic energy accumulator |
CN202597343U (en) * | 2012-05-29 | 2012-12-12 | 郑州正弘桩工机械制造有限公司 | Temperature regulation device for hydraulic oil tank |
CN203097844U (en) * | 2013-02-26 | 2013-07-31 | 博世力士乐(常州)有限公司 | Power unit of hydraulic pumping unit and hydraulic pumping unit comprising power unit |
CN203939795U (en) * | 2014-05-23 | 2014-11-12 | 中国石油化工股份有限公司 | Hydraulic power unit |
CN204213079U (en) * | 2014-11-07 | 2015-03-18 | 中国石油化工股份有限公司 | A kind of hydraulic brake circuit |
CN204692203U (en) * | 2015-05-07 | 2015-10-07 | 中国石油化工股份有限公司 | A kind of hydraulic lifting and automatic controller |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111630274A (en) * | 2018-01-30 | 2020-09-04 | 科美特米有限公司 | Deep well pump and method of use |
US11289973B2 (en) | 2018-01-30 | 2022-03-29 | Comet-ME Ltd. | Borehole pump and method of using the same |
CN108278248A (en) * | 2018-03-20 | 2018-07-13 | 阜新市石油工具厂 | Hydraulic petroleum lifting device intelligence control system |
CN109944836A (en) * | 2019-03-21 | 2019-06-28 | 福建工程学院 | A kind of servo motor drives the distributed direct Driving force system of double constant displacement pumps |
CN113338879A (en) * | 2021-07-09 | 2021-09-03 | 德州华海石油机械股份有限公司 | Automatic control system and control method of horizontal pressure flooding injection device for oil field |
CN113701549A (en) * | 2021-09-06 | 2021-11-26 | 浙江尔格科技股份有限公司 | Energy-saving control device and control method for closed-cycle oil-water heat exchange system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106194857A (en) | Hydraulic lifting and automaton | |
CN202144943U (en) | Liquid nitrogen pump skid | |
CN104454748A (en) | Reliable comprehensive energy-saving hydraulic test device for gear pumps, overflow valves and one-way valves | |
CN204692203U (en) | A kind of hydraulic lifting and automatic controller | |
CN104454791A (en) | Parallel-energy-saving-technology-based hydraulic device for testing durability of hydraulic pumps and overflow valves | |
CN108006013B (en) | Online detection system and detection method for hydraulic hoist | |
CN203293988U (en) | Oil on-line detection system for engineering machines | |
CN206592105U (en) | A kind of intelligent controlling device applied on oil-field oil pumper | |
CN108278248A (en) | Hydraulic petroleum lifting device intelligence control system | |
CN109335965A (en) | A kind of wisdom security monitoring system of hoister and working method | |
CN208010703U (en) | Hydraulic petroleum lifting device intelligence control system | |
CN106990723A (en) | A kind of jetting machine and its water-free detection method | |
CN206738303U (en) | A kind of independent lift control system of vehicle window | |
CN204312437U (en) | The synthesis energy saving experimental liquid pressure device of gear pump, relief valve and one-way valve reliability | |
CN107764652A (en) | A kind of 210MPa production trees device for detecting water pressure | |
CN203500182U (en) | Remote fault diagnosis device for hydraulic system of forklift | |
CN207145373U (en) | A kind of oil cylinder decision-making system in place | |
CN206158976U (en) | Hydraulic pump servo control structure | |
CN205387916U (en) | Power tong monitored control system | |
CN210422582U (en) | Oil extraction switch device and layered oil extraction equipment | |
CN204436770U (en) | A kind of multi-head pump pressure fault detection device | |
CN207246155U (en) | The garbage-compressing machine hydraulic system of tape jam detection | |
CN105179339B (en) | A kind of hydraulic control system on underwater hydraulic auto clawing beam | |
CN209011803U (en) | A kind of pumping unit control device with fault diagnosis functions | |
CN203962353U (en) | A kind of monitoring alarm device of cracked diaphragm of diaphragm pump |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |