CN104948540A - Load simulation electro-hydraulic servo control device for beam-pumping unit - Google Patents
Load simulation electro-hydraulic servo control device for beam-pumping unit Download PDFInfo
- Publication number
- CN104948540A CN104948540A CN201510426440.8A CN201510426440A CN104948540A CN 104948540 A CN104948540 A CN 104948540A CN 201510426440 A CN201510426440 A CN 201510426440A CN 104948540 A CN104948540 A CN 104948540A
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- Prior art keywords
- pumping unit
- load
- oil
- servovalve
- electro
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- 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.)
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- 238000005086 pumping Methods 0.000 title claims abstract description 35
- 238000004088 simulation Methods 0.000 title claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000004044 response Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
Classifications
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
-
- 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
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
- F15B11/10—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor in which the servomotor position is a function of the pressure also pressure regulators as operating means for such systems, the device itself may be a position indicating system
-
- 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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/65—Methods of control of the load sensing pressure
-
- 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
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
Landscapes
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a load simulation electro-hydraulic servo control device for a beam-pumping unit. The load simulation electro-hydraulic servo control device comprises a servo controller, an oil pumping unit, a displacement tension sensor, pressure sensors, flow sensors, an adjustable elastic mechanism, an energy accumulator, a servo valve, an energy accumulator safety valve group, a pulley block, an oil source, an electromagnetic overflow valve and a load oil cylinder. According to the invention, loading power is provided for a load simulator by adopting an electro-hydraulic servo-controlled hydraulic driving manner, and the hydraulic cylinder used as an execute component simulates the load of the oil pumping unit and control the driving force, speed and position of the oil pumping unit. By adopting the novel simulator, simulation of known indicator diagrams under different well conditions is realized, various unusual conditions such as load breaking and overloading in the well can be simulated independently, quick response and high accuracy are realized and load simulation of the beam-pumping unit can be realized.
Description
Technical field
The invention belongs to technical field of petroleum extraction, be specifically related to a kind of beam pumping unit load simulation electro-hydraulic servo control device.
Background technique
Beam pumping unit is machinery important in petroleum production process, and its performance is directly connected to the economic benefit in each oil field.Therefore, pumping unit all will through strict testing property before coming into operation, the such as fatigue test of critical mechanical strength of parts, motor stability test etc.For this reason, in process of the test, need a set of load simulation system, allow it can reappear the loading spectrum of pumping unit at the scene in working procedure, load test is carried out to pumping unit.
Summary of the invention
For solving above technology Problems existing, the invention provides a kind ofly to respond fast, beam pumping unit load simulation electro-hydraulic servo control device that degree of accuracy is high.
Its technological scheme is:
A kind of beam pumping unit load simulation electro-hydraulic servo control device, comprise servocontroller, pumping unit, displacement pulling force sensor, pressure transducer, flow transducer, adjustable elastic mechanism, accumulator, servovalve, accumulator safety valve group, sheave block, oil sources, electromagnetic relief valve and load cylinder, described pumping unit is connected with sheave block one end by outstanding rope, outstanding rope between pumping unit and sheave block is provided with displacement pulling force sensor and adjustable elastic mechanism, the sheave block the other end is connected with load cylinder, two oil pockets in load cylinder are connected with servovalve respectively by oil pipe, oil pipe between load cylinder and servovalve is provided with multiple pressure transducer and flow transducer, pressure transducer is connected with servocontroller by sense line with flow transducer, servocontroller is connected by sense line with displacement pulling force sensor, servovalve is connected with oil sources by oil pipe, oil pipe between servovalve and oil sources is provided with accumulator and accumulator safety valve group.
During load cylinder right lateral, sheave block drives pumping unit descending, simultaneous displacement force snesor sends displacement signal and force signal to controller, signal after process is passed to servovalve by controller, the action to the right of servovalve right position job control load cylinder, pressure transducer and flow transducer send pressure and flow to controller simultaneously, pressure and flux signal are passed to servovalve by controller again, the size of displacement and loading force when servo valve control load cylinder moves right, load when this process simulation pumping unit is descending.When pumping unit is up, displacement, force snesor send displacement signal and force signal to controller, signal after process is passed to servovalve by controller, the action left of servovalve left position job control load cylinder, pressure transducer and flow transducer send pressure and flow to controller simultaneously, pressure and flux signal are passed to servovalve by controller again, servo valve control load cylinder to the size of displacement during left movement and loading force, load when this process simulation pumping unit is up.Oil sources provides flow needed for system executive component and pressure, and effectively can control the pressure of hydraulic system, oil temperature, dustiness etc.Accumulator, accumulator safety valve group and electromagnetic relief valve ensure the normal and security of system of the pressure of system, and the resiliently deformable of the sucker rod of the different well depth of adjustable elastic mechanism analog, regulates the output frequency of pumping unit, prevent the damage equipment that resonates.Such design, whole system load simulation dynamic response is good, degree of accuracy is high, simulation precision is high, can occur under simulation well separately disconnectedly to carry, the various unusual condition such as overload, easy to adjust, the accurate adjustment of load force, speed and position can be carried out in movement process, load simulated deviation is little, can accurate simulation pumping unit at the dynamic load of upper and lower stroke.The present invention adopts the hydraulic driving mode of electro-hydraulic servo control to provide loading power for load simulator, oil hydraulic cylinder as executive component, the load of simulation pumping unit, and the control it being carried out to driving force, speed and position.The simulation of known indicator diagram under this novel analog device achieves different well ' s conditions, and can occur under simulation well separately disconnectedly to carry, the various unusual condition such as overload, response is fast, degree of accuracy is high, can realize the load simulation work to beam pumping unit.
Accompanying drawing explanation
Fig. 1 is beam pumping unit load simulation electro-hydraulic servo control device;
Wherein, 1-servocontroller, 2-pumping unit, 3-displacement pulling force sensor, 4-pressure transducer, 5-flow transducer, 6-adjustable elastic mechanism, 7-accumulator, 8-servovalve, 9-accumulator safety valve group, 10-sheave block, 11-oil sources, 12-magnetic relief valve, 13-load cylinder.
Embodiment
As shown in Figure 1, a kind of beam pumping unit load simulation electro-hydraulic servo control device, comprises servocontroller 1, pumping unit 2, displacement pulling force sensor 3, pressure transducer 4, flow transducer 5, adjustable elastic mechanism 6, accumulator 7, servovalve 8, accumulator safety valve group 9, sheave block 10, oil sources 11, electromagnetic relief valve 12 and load cylinder 13, described pumping unit 2 is connected with sheave block 10 one end by outstanding rope, outstanding rope between pumping unit 2 and sheave block 10 is provided with displacement pulling force sensor 3 and adjustable elastic mechanism 6, sheave block 10 the other end is connected with load cylinder 13, two oil pockets in load cylinder 13 are connected with servovalve 8 respectively by oil pipe, oil pipe between load cylinder 13 and servovalve 8 is provided with multiple pressure transducer 4 and flow transducer 5, pressure transducer 4 is connected with servocontroller 1 by sense line with flow transducer 5, servocontroller 1 is connected by sense line with displacement pulling force sensor 3, servovalve 8 is connected with oil sources 11 by oil pipe, and the oil pipe between servovalve 8 and oil sources 11 is provided with accumulator 7 and accumulator safety valve group 9.
Claims (1)
1. a beam pumping unit load simulation electro-hydraulic servo control device, it is characterized in that, comprise servocontroller (1), pumping unit (2), displacement pulling force sensor (3), pressure transducer (4), flow transducer (5), adjustable elastic mechanism (6), accumulator (7), servovalve (8), accumulator safety valve group (9), sheave block (10), oil sources (11), electromagnetic relief valve (12) and load cylinder (13), described pumping unit (2) is connected with sheave block (10) one end by outstanding rope, outstanding rope between pumping unit (2) and sheave block (10) is provided with displacement pulling force sensor (3) and adjustable elastic mechanism (6), sheave block (10) the other end is connected with load cylinder (13), two oil pockets in load cylinder (13) are connected with servovalve (8) respectively by oil pipe, oil pipe between load cylinder (13) and servovalve (8) is provided with pressure transducer (4) and flow transducer (5), pressure transducer (4) is connected with servocontroller (1) by sense line with flow transducer (5), servocontroller (1) is connected by sense line with displacement pulling force sensor (3), servovalve (8) is connected with oil sources (11) by oil pipe, oil pipe between servovalve (8) and oil sources (11) is provided with accumulator (7) and accumulator safety valve group (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426440.8A CN104948540A (en) | 2015-07-20 | 2015-07-20 | Load simulation electro-hydraulic servo control device for beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426440.8A CN104948540A (en) | 2015-07-20 | 2015-07-20 | Load simulation electro-hydraulic servo control device for beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104948540A true CN104948540A (en) | 2015-09-30 |
Family
ID=54163480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426440.8A Pending CN104948540A (en) | 2015-07-20 | 2015-07-20 | Load simulation electro-hydraulic servo control device for beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948540A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044602A (en) * | 2016-06-23 | 2016-10-26 | 中冶南方工程技术有限公司 | Acid gun lifting device with monitoring and protection functions |
| CN108266179A (en) * | 2018-04-08 | 2018-07-10 | 宝鸡三阳石油机械有限公司 | For the Study of Cyclic Loading experimental provision system of lifting weight balance beam type oil pump |
| CN108843305A (en) * | 2018-04-25 | 2018-11-20 | 中国石油天然气股份有限公司长庆油田分公司技术监测中心 | A kind of pumping unit permanent magnetism simulated loading system |
| CN109283002A (en) * | 2018-12-09 | 2019-01-29 | 杭州中油智井装备科技有限公司 | A kind of pump load simulation test device |
| CN110763501A (en) * | 2019-12-26 | 2020-02-07 | 胜利油田新大管业科技发展有限责任公司 | Experimental load analogue means of beam-pumping unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621567A (en) * | 1984-03-26 | 1986-11-11 | Williams James F | Beam pump |
| CN2561926Y (en) * | 2002-08-08 | 2003-07-23 | 刘长年 | Walking beam style hydraulic oil sucker |
| CN201013312Y (en) * | 2006-03-09 | 2008-01-30 | 西南石油学院 | Oil extraction load simulator |
| CN103344447A (en) * | 2013-06-24 | 2013-10-09 | 西南石油大学 | Beam-pumping unit loading device |
| CN203879469U (en) * | 2014-05-21 | 2014-10-15 | 西南石油大学 | Hydraulic system with double-oil-well mutual balance function for hydraulic pumping unit |
| CN204851866U (en) * | 2015-07-20 | 2015-12-09 | 昆明理工大学 | Beam -pumping unit load simulation electricity liquid servo control device |
-
2015
- 2015-07-20 CN CN201510426440.8A patent/CN104948540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621567A (en) * | 1984-03-26 | 1986-11-11 | Williams James F | Beam pump |
| CN2561926Y (en) * | 2002-08-08 | 2003-07-23 | 刘长年 | Walking beam style hydraulic oil sucker |
| CN201013312Y (en) * | 2006-03-09 | 2008-01-30 | 西南石油学院 | Oil extraction load simulator |
| CN103344447A (en) * | 2013-06-24 | 2013-10-09 | 西南石油大学 | Beam-pumping unit loading device |
| CN203879469U (en) * | 2014-05-21 | 2014-10-15 | 西南石油大学 | Hydraulic system with double-oil-well mutual balance function for hydraulic pumping unit |
| CN204851866U (en) * | 2015-07-20 | 2015-12-09 | 昆明理工大学 | Beam -pumping unit load simulation electricity liquid servo control device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106044602A (en) * | 2016-06-23 | 2016-10-26 | 中冶南方工程技术有限公司 | Acid gun lifting device with monitoring and protection functions |
| CN106044602B (en) * | 2016-06-23 | 2018-07-24 | 中冶南方工程技术有限公司 | Sour rifle lifting gear with monitoring and safeguard function |
| CN108266179A (en) * | 2018-04-08 | 2018-07-10 | 宝鸡三阳石油机械有限公司 | For the Study of Cyclic Loading experimental provision system of lifting weight balance beam type oil pump |
| CN108843305A (en) * | 2018-04-25 | 2018-11-20 | 中国石油天然气股份有限公司长庆油田分公司技术监测中心 | A kind of pumping unit permanent magnetism simulated loading system |
| CN109283002A (en) * | 2018-12-09 | 2019-01-29 | 杭州中油智井装备科技有限公司 | A kind of pump load simulation test device |
| CN110763501A (en) * | 2019-12-26 | 2020-02-07 | 胜利油田新大管业科技发展有限责任公司 | Experimental load analogue means of beam-pumping unit |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |