CN104481894B - Centrifugal submersible electric pump down-hole Torque Measuring System - Google Patents
Centrifugal submersible electric pump down-hole Torque Measuring System Download PDFInfo
- Publication number
- CN104481894B CN104481894B CN201410706257.9A CN201410706257A CN104481894B CN 104481894 B CN104481894 B CN 104481894B CN 201410706257 A CN201410706257 A CN 201410706257A CN 104481894 B CN104481894 B CN 104481894B
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- CN
- China
- Prior art keywords
- submersible electric
- pump down
- hole
- assembly
- electric pump
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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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of centrifugal submersible electric pump down-hole Torque Measuring System. Its technical scheme is to include submersible electric pump down-hole torsion-testing unit assembly, submersible electric motor protector, submersible electric machine with oil and spline, described torsion-testing unit assembly upper end, submersible electric pump down-hole is connected with the suction inlet assembly of oil-immersed pump, torsion-testing unit lower end, submersible electric pump down-hole is connected with submersible electric motor protector by spline, and submersible electric motor protector is connected with submersible electric machine with oil by spline; Provide the benefit that: submersible electric pump down-hole wireless torque sensor is installed on the motor shaft of submersible electric machine with oil, the torsion-testing apparatus of actuating device rotating shaft energy and signal synchronous wireless transmission, it is fixed on power transmission shaft by the mode encapsulated, by special conducting slip ring assembly by power supply signal input amplifier and test signal adapter, meet test for a long time. And, adopt holding wire seal assembly to seal, its sealing effectiveness is good.
Description
Technical field
The present invention relates to a kind of submersible electric pump test system, particularly to a kind of centrifugal submersible electric pump down-hole Torque Measuring System.
Background technology
In submersible electric pump is tested, the efficiency test of centrifugal pump adopts the method that electric work calculates substantially, the method of the in good time power factor of the detection running current of motor and motor that what substantially adopt is is to detect motor output torque, input torque as centrifugal pump, it is subject to the impact of test environment, easily producing error, the measurement of pump efficiency result of centrifugal pump is had impact by the accuracy of the input torque of centrifugal pump.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that a kind of centrifugal submersible electric pump down-hole Torque Measuring System, and this system can accurately measure the output moment of torsion of downhole electrical motor and the input torque of pump.
Its technical scheme is to include submersible electric pump down-hole torsion-testing unit assembly, submersible electric motor protector, submersible electric machine with oil and spline, described torsion-testing unit assembly upper end, submersible electric pump down-hole is connected with the suction inlet assembly of oil-immersed pump, torsion-testing unit assembly lower end, submersible electric pump down-hole is connected with submersible electric motor protector by spline, and submersible electric motor protector is connected with submersible electric machine with oil by spline;
Described submersible electric pump down-hole torsion-testing unit assembly includes power transmission shaft, thrust bearing, upper mechanical seal assembly, signal transmssion line, wireless receiving system, conducting slip ring assembly, wireless torque sensor, housing, the special foil gauge of torque measurement, base, lower mechanical seal assembly, top connection, lower contact, wherein, housing, top connection, lower contact, upper mechanical seal assembly, lower mechanical seal assembly, the cavity that holding wire seal assembly composition seals is by special for torque measurement foil gauge, wireless torque sensor, conducting slip ring assembly, wireless receiving system, signal transmssion line fully seals, signal transmssion line is drawn from the housing of submersible electric pump down-hole torsion-testing unit assembly by holding wire seal assembly, then it is connected with ground installation,
Wherein, thrust bearing in top connection undertakes the axial compressive force of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly are separated the properly functioning of guarantee submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly, lower mechanical seal assembly;The special foil gauge of torque measurement is attached to the power transmission shaft of middle submersible electric pump down-hole torsion-testing unit assembly and rotates together with power transmission shaft, the special foil gauge of torque measurement is connected with wireless torque sensor by wire, wireless torque sensor is fixed on power transmission shaft and rotates together with power transmission shaft, it is connected with conducting slip ring assembly by wire, the internal ring of conducting slip ring assembly is fixed on power transmission shaft and rotates together with power transmission shaft, outer shroud is fixed on housing, producing electric energy by electromagnetic induction principle is that wireless torque sensor is powered, wireless torque sensor will measure signal by transmission of wireless signals to wireless receiving system, the terminal system that signal is transferred to ground special by signal transmssion line is carried out data analysis by wireless receiving system again.
Above-mentioned signal transmssion line is sealed by holding wire seal assembly, and described holding wire seal assembly includes plug, cavity, transmission line passage in outer knob, enclosing cover, taper, in taper, plug is taper structure, and inside runs through and has transmission line passage, signal transmssion line passes from transmission line passage, in described taper, the top of plug is provided with in enclosing cover, enclosing cover and taper between the top of plug is cavity, installs outer knob outside described enclosing cover.
The centre of above-mentioned transmission line passage is provided with boss.
The invention has the beneficial effects as follows: submersible electric pump down-hole wireless torque sensor is installed on the motor shaft of submersible electric machine with oil, actuating device rotating shaft energy and signal synchronous wireless transmission are to torsion-testing apparatus, it is fixed on power transmission shaft by the mode encapsulated, signal adapter, amplifier package will be tested with high-temperature insulation glue, fix, meet the requirement of high speed rotating, by special conducting slip ring assembly by power supply signal input amplifier and test signal adapter, meet test for a long time. Without dismounting, the frame for movement changing on-the-spot tested rotating shaft, and, adopt holding wire seal assembly to seal, its sealing effectiveness is good. Employing is wirelessly transmitted to gateway or routing node, the strain moment of torsion conversion formula in practical acquisition controlling software, calculates torque value; Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and shaft power of rotating shaft.
Accompanying drawing explanation
Accompanying drawing 1 is the scheme of installation of the present invention;
Accompanying drawing 2 is the structural representation of oil-immersed pump down-hole torsion-testing unit assembly in Fig. 1;
Accompanying drawing 3 is the enlarged drawing of the holding wire seal assembly of the present invention;
In upper figure: 1. submersible electric pump down-hole torsion-testing unit assembly, 2. submersible electric motor protector, 3. submersible electric machine with oil, 4. spline, 5. power transmission shaft, 6. thrust bearing, 7. go up mechanical seal assembly, 8. signal transmssion line, 9. wireless receiving system, 10. conducting slip ring assembly, 11. wireless torque sensor, 12. housings, the 13. special foil gauges of torque measurement, 14. base, 15. times mechanical seal assemblies, 16. top connections, 17. lower contact, 18. holding wire seal assemblies, 19. special-purpose computer terminal systems;
Plug 18.3, cavity 18.4, transmission line passage 18.5, boss 18.6 in outer knob 18.1, enclosing cover 18.2, taper.
Detailed description of the invention
In conjunction with accompanying drawing 1-3, the invention will be further described:
This utility model includes submersible electric pump down-hole torsion-testing unit assembly 1, submersible electric motor protector 2, submersible electric machine with oil 3 and spline 4, described torsion-testing unit assembly 1 upper end, submersible electric pump down-hole is connected with the suction inlet assembly of oil-immersed pump, torsion-testing unit assembly 1 lower end, submersible electric pump down-hole is connected with submersible electric motor protector 2 by spline 4, and submersible electric motor protector 2 is connected with submersible electric machine with oil 3 by spline 4;
Described submersible electric pump down-hole torsion-testing unit assembly 1 includes power transmission shaft 5, thrust bearing 6, upper mechanical seal assembly 7, signal transmssion line 8, wireless receiving system 9, conducting slip ring assembly 10, wireless torque sensor 11, housing 12, the special foil gauge 13 of torque measurement, base 14, lower mechanical seal assembly 15, top connection 16, lower contact 17, wherein, housing 12, top connection 16, lower contact 17, upper mechanical seal assembly 7, lower mechanical seal assembly 15, the cavity that holding wire seal assembly 18 composition seals is by special for torque measurement foil gauge 13, wireless torque sensor 11, conducting slip ring assembly 10, wireless receiving system 9, signal transmssion line 8 fully seals, signal transmssion line 8 is drawn from the housing 12 of submersible electric pump down-hole torsion-testing unit assembly 1 by holding wire seal assembly 18, then it is connected with ground installation,
Wherein, thrust bearing 6 in top connection 16 undertakes the axial compressive force of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly 1 are separated the properly functioning of guarantee submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly 7, lower mechanical seal assembly 15, the special foil gauge of torque measurement 13 is attached to the power transmission shaft 5 of middle submersible electric pump down-hole torsion-testing unit assembly 1 and rotates together with power transmission shaft 5, the special foil gauge 13 of torque measurement is connected with wireless torque sensor 11 by wire, wireless torque sensor 11 is fixed on power transmission shaft 5 and rotates together with power transmission shaft, it is connected with conducting slip ring assembly 10 by wire, the internal ring of conducting slip ring assembly 10 is fixed on power transmission shaft 5 and rotates together with power transmission shaft, outer shroud is fixing on housing 12, producing electric energy by electromagnetic induction principle is that wireless torque sensor 11 is powered, wireless torque sensor 11 will measure signal by transmission of wireless signals to wireless receiving system 9, signal is transferred to the special terminal system in ground 19 by signal transmssion line 8 and carries out data analysis by wireless receiving system 9 again.
With reference to accompanying drawing 3, signal transmssion line 8 is sealed by holding wire seal assembly 18, and described holding wire seal assembly 18 includes plug 18.3, cavity 18.4, transmission line passage 18.5 in outer knob 18.1, enclosing cover 18.2, taper, in taper, plug 18.3 is taper structure, and inside runs through and has transmission line passage 18.5, signal transmssion line 8 passes from transmission line passage 18.5, in described taper, the top of plug 18.3 is provided with enclosing cover 18.2, it is cavity 18.4 between the top of plug 18.3 in enclosing cover 18.2 and taper, outer knob 18.1 is installed outside described enclosing cover 18.2.
It addition, the centre of transmission line passage 18.5 is provided with boss 18.6, play better seal effect.
The present invention adopts wireless torque sensor, and employing can connect and record wireless torque sensor by direct-on-line. Sensor is directly installed on measured axis, it is not necessary to dismantle, change the frame for movement of on-the-spot tested rotating shaft, adopt and be wirelessly transmitted to gateway or routing node, the strain moment of torsion conversion formula in practical acquisition controlling software, calculate torque value. Saving and repeatedly lay wired data acquisition equipment and the man power and material that consumes, the noise jamming that wireless digital signal transmission means eliminates long cable transmission and collecting ring brings, whole measurement system has high certainty of measurement and capacity of resisting disturbance.
Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and shaft power of rotating shaft. Test system adopts WiFi wireless communication technique, can complete in real time to rotating shaft torsions, the suitable tune of shaft power signal, collection and by data Wireless transceiver to data sink, then by signal transmission system well data input computer real-time storage and display.
The factors such as this test device is arranged on the power transmission shaft of high speed rotating, and rotating speed reaches 2850 revs/min, is subject to casing size restriction, the centrifugal force that installing space is narrow and small, bigger, adopt wireless torque test signal.
The torsion-testing apparatus of actuating device rotating shaft energy and signal synchronous wireless transmission, it is fixed on power transmission shaft by the mode encapsulated, signal adapter, amplifier package will be tested with high-temperature insulation glue, fix, meet the requirement of high speed rotating, by special conducting slip ring by power supply signal input amplifier and test signal adapter, meet test for a long time.
It addition, down-hole thrust bearing part: adopt special thrust carrying structure, bear the axial force that centrifugal pump produces, reduce the axial force stress influence to power transmission shaft, it is ensured that the precision of test result.
Further, signal hop: by special slip ring structure, convert intrasystem wireless signal to wire signal, be input in computing system through special signal cable, carry out Data Analysis Services.
The factors such as this test device is arranged on the power transmission shaft of high speed rotating, and rotating speed reaches 2850 revs/min, is subject to casing size restriction, the centrifugal force that installing space is narrow and small, bigger, adopt wireless torque test signal. The motor shaft of submersible electric machine with oil is installed submersible electric pump down-hole wireless torque sensor, the torsion-testing apparatus of actuating device rotating shaft energy and signal synchronous wireless transmission, it is fixed on power transmission shaft by the mode encapsulated, signal adapter, amplifier package will be tested with high-temperature insulation glue, fix, meet the requirement of high speed rotating, by special conducting slip ring assembly by power supply signal input amplifier and test signal adapter, meet test for a long time. Without dismounting, the frame for movement changing on-the-spot tested rotating shaft, adopt and be wirelessly transmitted to gateway or routing node, the strain moment of torsion conversion formula in practical acquisition controlling software, calculate torque value. Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and shaft power of rotating shaft. Test system adopts WiFi wireless communication technique, can complete in real time to rotating shaft torsions, the suitable tune of shaft power signal, collection and by data Wireless transceiver to data sink, then by signal transmission system well data input computer real-time storage and display. According to test request, producing bigger axial force for being test for protector and centrifugal pump, the operating of motor can be produced destruction, be designed by special thrust bearing, carry axial force, protection motor normal operation ensures the precision of test result.
Claims (3)
1. a centrifugal submersible electric pump down-hole Torque Measuring System, it is characterized in that: include submersible electric pump down-hole torsion-testing unit assembly (1), submersible electric motor protector (2), submersible electric machine with oil (3) and spline (4), described torsion-testing unit assembly (1) upper end, submersible electric pump down-hole is connected with the suction inlet assembly of oil-immersed pump, torsion-testing unit assembly (1) lower end, submersible electric pump down-hole is connected with submersible electric motor protector (2) by spline (4), and submersible electric motor protector (2) is connected with submersible electric machine with oil (3) by spline (4);
Described submersible electric pump down-hole torsion-testing unit assembly (1) includes power transmission shaft (5), thrust bearing (6), upper mechanical seal assembly (7), signal transmssion line (8), wireless receiving system (9), conducting slip ring assembly (10), wireless torque sensor (11), housing (12), the special foil gauge of torque measurement (13), base (14), lower mechanical seal assembly (15), top connection (16), lower contact (17), wherein, housing (12), top connection (16), lower contact (17), upper mechanical seal assembly (7), lower mechanical seal assembly (15), the cavity that holding wire seal assembly (18) composition seals is by special for torque measurement foil gauge (13), wireless torque sensor (11), conducting slip ring assembly (10), wireless receiving system (9), signal transmssion line (8) fully seals, and signal transmssion line (8) is drawn from the housing (12) of submersible electric pump down-hole torsion-testing unit assembly (1) by holding wire seal assembly (18), is then connected with ground installation,
Wherein, thrust bearing (6) in top connection (16) undertakes the axial compressive force of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly (1) are separated the properly functioning of guarantee submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly (7), lower mechanical seal assembly (15), the special foil gauge of torque measurement (13) is attached to the power transmission shaft (5) of submersible electric pump down-hole torsion-testing unit assembly (1) and rotates together with power transmission shaft (5), the special foil gauge of torque measurement (13) is connected with wireless torque sensor (11) by wire, wireless torque sensor (11) is fixed on power transmission shaft (5) and rotates together with power transmission shaft, it is connected with conducting slip ring assembly (10) by wire, the internal ring of conducting slip ring assembly (10) is fixed on power transmission shaft (5) and rotates together with power transmission shaft, outer shroud is fixed on housing (12), producing electric energy by electromagnetic induction principle is wireless torque sensor (11) power supply, wireless torque sensor (11) will measure signal by transmission of wireless signals to wireless receiving system (9), the terminal system (19) that signal is transferred to ground special by signal transmssion line (8) is carried out data analysis by wireless receiving system (9) again.
2. centrifugal submersible electric pump down-hole according to claim 1 Torque Measuring System, it is characterized in that: described signal transmssion line (8) is sealed by holding wire seal assembly (18), and described holding wire seal assembly (18) includes outer knob (18.1), enclosing cover (18.2), plug (18.3) in taper, cavity (18.4), transmission line passage (18.5), in taper, plug (18.3) is taper structure, and inside runs through and has transmission line passage (18.5), signal transmssion line (8) passes from transmission line passage (18.5), in described taper, the top of plug (18.3) is provided with enclosing cover (18.2), it is cavity (18.4) between the top of plug (18.3) in enclosing cover (18.2) and taper, outer knob (18.1) is installed in described enclosing cover (18.2) outside.
3. centrifugal submersible electric pump down-hole according to claim 2 Torque Measuring System, is characterized in that: the centre of described transmission line passage (18.5) is provided with boss (18.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706257.9A CN104481894B (en) | 2014-11-28 | 2014-11-28 | Centrifugal submersible electric pump down-hole Torque Measuring System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706257.9A CN104481894B (en) | 2014-11-28 | 2014-11-28 | Centrifugal submersible electric pump down-hole Torque Measuring System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104481894A CN104481894A (en) | 2015-04-01 |
| CN104481894B true CN104481894B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410706257.9A Expired - Fee Related CN104481894B (en) | 2014-11-28 | 2014-11-28 | Centrifugal submersible electric pump down-hole Torque Measuring System |
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| CN (1) | CN104481894B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070003B (en) * | 2015-05-18 | 2019-05-17 | 北京航空航天大学 | The Transmission system of co-axial helicopter rotor measuring signal |
| CN108731956A (en) * | 2017-04-25 | 2018-11-02 | 同济大学 | A kind of earth pressure balanced shield, EPBS sediment improvement simulation test device and test method |
| CN108687706B (en) * | 2018-08-06 | 2024-07-26 | 四川省东泰机械制造有限公司 | Electric torque wrench signal transmission structure and electric torque wrench thereof |
| CN110455449B (en) * | 2019-07-29 | 2021-11-02 | 中国海洋石油集团有限公司 | Low-frequency starting locked-rotor torque testing device for submersible motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201444092U (en) * | 2008-12-22 | 2010-04-28 | 铁道第三勘察设计院集团有限公司 | Device used for measuring torque of rotating component |
| CN201724765U (en) * | 2010-05-14 | 2011-01-26 | 荆州市明德科技有限公司 | Wireless torque sensor of centrifugal pump motor |
| US9222477B2 (en) * | 2011-04-11 | 2015-12-29 | Gicon Pump & Equipment, Ltd. | Method and system of submersible pump and motor performance testing |
| CN103727030A (en) * | 2012-10-16 | 2014-04-16 | 刘晶 | Screw pump oil production real-time monitoring device |
| CN203772474U (en) * | 2014-04-03 | 2014-08-13 | 上海工程技术大学 | High-strength bolt connection set torque coefficient detection device |
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2014
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| CN104481894A (en) | 2015-04-01 |
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