CN104481894A - Centrifugal electric submersible pump downhole torque testing system - Google Patents
Centrifugal electric submersible pump downhole torque testing system Download PDFInfo
- Publication number
- CN104481894A CN104481894A CN201410706257.9A CN201410706257A CN104481894A CN 104481894 A CN104481894 A CN 104481894A CN 201410706257 A CN201410706257 A CN 201410706257A CN 104481894 A CN104481894 A CN 104481894A
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- CN
- China
- Prior art keywords
- assembly
- submersible electric
- wireless
- hole
- 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
-
- 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 invention relates to a centrifugal electric submersible pump downhole torque testing system. The technical scheme includes that the centrifugal electric submersible pump downhole torque testing system comprises an electric submersible pump downhole torque testing unit assembly, a submersible motor protector, a submersible motor and splines, the upper end of the electric submersible pump downhole torque testing unit assembly is connected with a suction inlet assembly of a submersible pump, the lower end of the electric submersible pump downhole torque testing unit assembly is connected with the submersible motor protector through one spline, and the submersible motor protector is connected with the submersible motor through the other spline. The centrifugal electric submersible pump downhole torque testing system has the advantages that an electric submersible pump downhole wireless torque sensor is mounted on a motor shaft of the submersible motor, a transmission device rotating shaft energy and signal synchronization wireless transmission torque testing device is fixed onto a transmission shaft in a packaging manner, a power supply signal is inputted to an amplifier and a testing signal converter by a special conducting slip ring assembly, and long-time testing is realized. Moreover, a signal line sealing assembly is used for sealing, and sealing effects are fine.
Description
Technical field
The present invention relates to a kind of submersible electric pump test system, particularly one centrifugal submersible electric pump down-hole Torque Measuring System.
Background technique
In submersible electric pump test, the method that the efficiency test of centrifugal pump adopts electric work to calculate substantially, what substantially adopt is that the method for the detection running current of motor and the in good time power factor of motor is to detect motor output torque, as the input torque of centrifugal pump, be subject to the impact of test environment, easy generation error, the measurement of pump efficiency result of accuracy on centrifugal pump of the input torque of centrifugal pump has impact.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, and provide a kind of centrifugal submersible electric pump down-hole Torque Measuring System, this system can accurately measure the output torque of downhole electrical motor and the input torque of pump.
Its technological scheme comprises submersible electric pump down-hole torsion-testing unit assembly, submersible electric motor protector, oil-submersible motor and spline, described torsion-testing unit assembly upper end, submersible electric pump down-hole is connected with the suction port 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 oil-submersible motor by spline;
Described submersible electric pump down-hole torsion-testing unit assembly comprises 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, upper connection, lower contact, wherein, housing, upper connection, lower contact, upper mechanical seal assembly, lower mechanical seal assembly, the cavity of signaling line seal assembly composition sealing is by special for torque measurement foil gauge, wireless torque sensor, conducting slip ring assembly, wireless receiving system, signal transmssion line seals completely, signal transmssion line is drawn from the housing of submersible electric pump down-hole torsion-testing unit assembly by signaling line seal assembly, then be connected with ground installation,
Wherein, thrust bearing in upper connection bears the axial pressure of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly are separated the normal operation ensureing submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly, lower mechanical seal assembly, the transmission shaft that the special foil gauge of torque measurement is attached to middle submersible electric pump down-hole torsion-testing unit assembly rotates together with transmission shaft, the special foil gauge of torque measurement is connected with wireless torque sensor by wire, wireless torque sensor is fixed on transmission shaft and rotates together with transmission shaft, be connected with conducting slip ring assembly by wire, the inner ring of conducting slip ring assembly is fixed on transmission shaft rotates together with 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 crosses transmission of wireless signals to wireless receiving system by same for measurement signal, the special computer terminal system in the wireless torque receiving system ground of being transmitted by signal transmssion line by signal again carries out data analysis.
Above-mentioned signal transmssion line is sealed by signaling line seal assembly, and described signaling line seal assembly comprises plug, cavity, transmission line passage in outer knob, enclosing cover, taper, in taper, plug is taper structure, and inside is run through and is had transmission line passage, signal transmssion line passes from transmission line passage, in described taper, the top of plug is provided with enclosing cover, is cavity, installs outer knob outside described enclosing cover between enclosing cover and the interior top of filling in of taper.
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 oil-submersible motor, the torsion-testing apparatus of transmission device running shaft energy and signal synchronous wireless transmission, be fixed on transmission shaft by the mode of encapsulation, with high-temperature insulation glue by test signal transducer, amplifier package, fixing, meet the requirement of High Rotation Speed, by special conducting slip ring assembly by power supply signal input amplifier and test signal transducer, meet test for a long time.Without the need to dismounting, the mechanical structure changing on-the-spot tested running shaft, and adopt the sealing of signaling line seal assembly, its sealing effect is good.Employing is wirelessly transmitted to gateway or routing node, and the practical strain moment of torsion conversion formula gathered in control software design, calculates torque value; Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and air horsepower of running shaft.
Accompanying drawing explanation
Accompanying drawing 1 is scheme of installation of the present invention;
Accompanying drawing 2 is structural representations of torsion-testing unit assembly in oil-immersed pump down-hole in Fig. 1;
Accompanying drawing 3 is enlarged views of signaling line seal assembly of the present invention;
In upper figure: 1. submersible electric pump down-hole torsion-testing unit, 2. submersible electric motor protector, 3. oil-submersible motor, 4. spline, 5. 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 sensors, 12. housings, the special foil gauge of 13. torque measurement, 14. bases, 15. times mechanical seal assemblies, 16. upper connections, 17. lower contacts, 18. signaling line seal assemblies, 19. special-purpose computer End 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.
Embodiment
1-3 by reference to the accompanying drawings, the invention will be further described:
The present invention includes submersible electric pump down-hole torsion-testing unit assembly 1, submersible electric motor protector 2, oil-submersible motor 3 and spline 4, described torsion-testing unit assembly 1 upper end, submersible electric pump down-hole is connected with the suction port assembly of oil-immersed pump, torsion-testing unit 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 oil-submersible motor 3 by spline 4;
Described submersible electric pump down-hole torsion-testing unit assembly 1 comprises 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, upper connection 16, lower contact 17, wherein, housing 12, upper connection 16, lower contact 17, upper mechanical seal assembly 7, lower mechanical seal assembly 15, signaling line seal assembly 18 forms the cavity of sealing 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 seals completely, signal transmssion line 8 is drawn from the housing 12 of submersible electric pump down-hole torsion-testing unit assembly 1 by signaling line seal assembly 18, then be connected with ground installation,
Wherein, thrust bearing 6 in upper connection 16 bears the axial pressure of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly 1 are separated the normal operation ensureing submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly 7, lower mechanical seal assembly 15, the transmission shaft 5 that the special foil gauge of torque measurement 13 is attached to middle submersible electric pump down-hole torsion-testing unit assembly 1 rotates together with 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 transmission shaft 5 and rotates together with transmission shaft, be connected with conducting slip ring assembly 10 by wire, the inner ring of conducting slip ring assembly 10 is fixed on transmission shaft 5 rotates together with 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 crosses transmission of wireless signals to wireless receiving system 9 by same for measurement signal, the special computer terminal system 19 in wireless torque receiving system 9 ground of being transmitted by signal transmssion line 8 by signal again carries out data analysis.
With reference to accompanying drawing 3, signal transmssion line 8 is sealed by signaling line seal assembly 18, and described signaling line seal assembly 18 comprises 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 is run through and is had 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, be cavity 18.4 between the top of filling in 18.3 in enclosing cover 18.2 and taper, outside described enclosing cover 18.2, outer knob 18.1 be installed.
In addition, the centre of transmission line passage 18.5 is provided with boss 18.6, plays better sealing effect.
The present invention adopts wireless torque sensor, and employing can connect and record wireless torque sensor by direct-on-line.Directly sensor installation on tested shaft, without the need to dismounting, the mechanical structure changing on-the-spot tested running shaft, adopt and be wirelessly transmitted to gateway or routing node, the practical strain moment of torsion conversion formula gathered in control software design, calculates torque value.Save and repeatedly lay wired data acquisition equipment and the man power and material that consumes, wireless digital signal transmission means eliminates the noise interference that long cable transmission and collecting ring bring, and whole measuring system has high measuring accuracy and antijamming capability.
Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and air horsepower of running shaft.Test system adopts WiFi wireless communication technique, can complete in real time running shaft is reversed, the suitable tune of air horsepower signal, collection data wireless is sent to data sink, then input computer real-time storage and display by signal transmission system well data.
This testing apparatus is arranged on the transmission shaft of High Rotation Speed, and rotating speed reaches 2850 revs/min, is subject to casing size restriction, the factors such as the centrifugal force that installing space is narrow and small, larger, adopts wireless torque test signal.
The torsion-testing apparatus of transmission device running shaft energy and signal synchronous wireless transmission, be fixed on transmission shaft by the mode of encapsulation, with high-temperature insulation glue by test signal transducer, amplifier package, fixing, meet the requirement of High Rotation Speed, by special conducting slip ring by power supply signal input amplifier and test signal transducer, meet test for a long time.
In addition, down-hole thrust bearing part: adopt special thrust bearing structure, bears the axial force that centrifugal pump produces, and reduces axial force to the stress influence of transmission shaft, ensures the precision of test result.
Further, Signal transmissions part: by special slip ring structure, converts intrasystem wireless signal to wire signal, is input in computing system and goes, carry out Data Analysis Services through special signal cable.
This testing apparatus is arranged on the transmission shaft of High Rotation Speed, and rotating speed reaches 2850 revs/min, is subject to casing size restriction, the factors such as the centrifugal force that installing space is narrow and small, larger, adopts wireless torque test signal.The motor shaft of oil-submersible motor is installed submersible electric pump down-hole wireless torque sensor, the torsion-testing apparatus of transmission device running shaft energy and signal synchronous wireless transmission, be fixed on transmission shaft by the mode of encapsulation, with high-temperature insulation glue by test signal transducer, amplifier package, fixing, meet the requirement of High Rotation Speed, by special conducting slip ring assembly by power supply signal input amplifier and test signal transducer, meet test for a long time.Without the need to dismounting, the mechanical structure changing on-the-spot tested running shaft, adopt and be wirelessly transmitted to gateway or routing node, the practical strain moment of torsion conversion formula gathered in control software design, calculates torque value.Wireless torque test system, is specifically designed to the measurement of the physical quantity such as moment of torsion and air horsepower of running shaft.Test system adopts WiFi wireless communication technique, can complete in real time running shaft is reversed, the suitable tune of air horsepower signal, collection data wireless is sent to data sink, then input computer real-time storage and display by signal transmission system well data.According to test request, larger axial force can be produced for tested protector and centrifugal pump, destruction can be produced to the running of motor, be designed by special thrust bearing, carrying axial force, the precision of the normal guarantee of work test result of protection motor.
Claims (3)
1. a centrifugal submersible electric pump down-hole Torque Measuring System, it is characterized in that: comprise submersible electric pump down-hole torsion-testing unit assembly (1), submersible electric motor protector (2), oil-submersible motor (3) and spline (4), described torsion-testing unit assembly (1) upper end, submersible electric pump down-hole is connected with the suction port assembly of oil-immersed pump, torsion-testing unit (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 oil-submersible motor (3) by spline (4);
Described submersible electric pump down-hole torsion-testing unit assembly (1) comprises 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), upper connection (16), lower contact (17), wherein, housing (12), upper connection (16), lower contact (17), upper mechanical seal assembly (7), lower mechanical seal assembly (15), the cavity of signaling line seal assembly (18) composition sealing 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) seals completely, and signal transmssion line (8) is drawn from the housing (12) of submersible electric pump down-hole torsion-testing unit assembly (1) by signaling line seal assembly (18), is then connected with ground installation,
Wherein, thrust bearing (6) in upper connection (16) bears the axial pressure of Electric Submersible Pump Unit, and well liquid and submersible electric pump down-hole torsion-testing unit assembly (1) are separated the normal operation ensureing submersible electric pump down-hole Torque Measuring System by upper mechanical seal assembly (7), lower mechanical seal assembly (15), the transmission shaft (5) that the special foil gauge of torque measurement (13) is attached to middle submersible electric pump down-hole torsion-testing unit assembly (1) rotates together with 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 transmission shaft (5) and rotates together with transmission shaft, be connected with conducting slip ring assembly (10) by wire, the inner ring of conducting slip ring assembly (10) is fixed on transmission shaft (5) rotates together with 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) crosses transmission of wireless signals to wireless receiving system (9) by same for measurement signal, the special computer terminal system (19) in wireless torque receiving system (9) ground of being transmitted by signal transmssion line (8) by signal again carries out data analysis.
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 signaling line seal assembly (18), and described signaling line seal assembly (18) comprises 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 is run through and is had 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), be cavity (18.4) between enclosing cover (18.2) and the interior top of filling in (18.3) of 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 true CN104481894A (en) | 2015-04-01 |
| CN104481894B CN104481894B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070003A (en) * | 2015-05-18 | 2015-11-18 | 北京航空航天大学 | Coaxial helicopter rotor measurement signal transmission system |
| CN108687706A (en) * | 2018-08-06 | 2018-10-23 | 四川省东泰机械制造有限公司 | A kind of Electric torque wrench signal transmission structure and its Electric torque wrench |
| 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 |
| CN110455449A (en) * | 2019-07-29 | 2019-11-15 | 中国海洋石油集团有限公司 | A kind of submersible motor low-frequency start stall torsion-testing apparatus |
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| 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 |
| US20140301869A1 (en) * | 2011-04-11 | 2014-10-09 | Gicon Pump & Equipment, Ltd. | Method and system of submersible pump and motor performance testing |
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2014
- 2014-11-28 CN CN201410706257.9A patent/CN104481894B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US20140301869A1 (en) * | 2011-04-11 | 2014-10-09 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070003A (en) * | 2015-05-18 | 2015-11-18 | 北京航空航天大学 | Coaxial helicopter rotor measurement signal transmission system |
| 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 |
| CN108687706A (en) * | 2018-08-06 | 2018-10-23 | 四川省东泰机械制造有限公司 | A kind of Electric torque wrench signal transmission structure and its Electric torque wrench |
| 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 |
| CN110455449A (en) * | 2019-07-29 | 2019-11-15 | 中国海洋石油集团有限公司 | A kind of submersible motor low-frequency start stall torsion-testing apparatus |
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| CN104481894B (en) | 2016-06-08 |
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Granted publication date: 20160608 |