CN105134459B - Mud turbine generator of automatic vertical drilling tool - Google Patents
Mud turbine generator of automatic vertical drilling tool Download PDFInfo
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- CN105134459B CN105134459B CN201510486241.6A CN201510486241A CN105134459B CN 105134459 B CN105134459 B CN 105134459B CN 201510486241 A CN201510486241 A CN 201510486241A CN 105134459 B CN105134459 B CN 105134459B
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- permanent magnet
- motor
- motor shaft
- drilling tool
- turbine generator
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention discloses a mud turbine generator of an automatic vertical drilling tool. The mud turbine generator comprises a generation structure, a front oil chamber supporting mechanism and a rear oil chamber compensating mechanism. According to the generation structure, an inner permanent magnet is arranged on the outer circle of the middle of a motor shaft in a sleeving mode; an outer permanent magnet is fixed to the inner permanent magnet; an outer motor cylinder is arranged outside the outer permanent magnet in a sleeving mode; and a turbine is connected to the outer circle of the outer motor cylinder in a buckled mode. A four-core high-pressure seal and a multi-core high-pressure seal are installed at the upper end and the lower end of the motor shaft respectively. According to the front oil chamber supporting mechanism, a sealing cap, an adjusting piece, a thrust bearing, a locating sleeve and a deep groove ball bearing I are sequentially installed on the upper part of the motor shaft from top to bottom in a sleeving mode. According to the rear oil chamber compensating mechanism, a deep groove ball bearing II, a piston and a compensation spring are sequentially installed on the periphery of the lower part of the motor shaft from top to bottom in a sleeving mode. According to the invention, underground normal work of the tool can be guaranteed.
Description
Technical field
The invention belongs to technical field of the electromechanical equipment, is related to a kind of mud turbine generator of automatic vertical drilling tool.
Background technology
The release and contraction of executing agency's thrust plate of existing " vertical drilling tool ", relies primarily on magnetic valve or motor
Control hydraulic means to complete, and the electric power of magnetic valve, motor is mainly by the battery in power storehouse or noncontact
Power transmitting device is supplied.Because the magnetic resistance that battery electric quantity is limited, noncontact power transmitting device is powered causes greatly power supplying efficiency low very much, this
Two kinds of powering modes all constrain the operational efficiency of vertical drilling tool, are unsatisfactory for the demand that oil drilling puies forward effect.
A kind of new mud turbine generator is developed, battery powering quantity can be overcome limited, noncontact can be overcome again
The big power supplying efficiency of magnetic resistance that power transmitting device is powered is low, and the mud turbine generator can generate electricity by mud in pit shaft, can hold
Continue and deposit circuit for vertical drilling tool observing and controlling and power, for aspects such as the silo operating times for ensureing vertical drilling tool, all have
There is very important meaning.
The content of the invention
It is an object of the invention to provide a kind of mud turbine generator of automatic vertical drilling tool, solves prior art
Present in battery powering quantity it is limited, and the big power supplying efficiency of magnetic resistance powered of noncontact power transmitting device is low, affects vertical boring
The problem of the drillng operation efficiency of well instrument.
The technical solution adopted in the present invention is, a kind of mud turbine generator of automatic vertical drilling tool, including sending out
Motor structure, front grease chamber supporting mechanism, the rear part of grease chamber compensation mechanism three,
The structure of generating mechanism is, it is cylindrical in the middle part of motor shaft on be set with interior permanent magnet, constitute generator unit stator;Forever inside
A magnet fixed mount is set with magnet, outer permanent magnet, the outside suit motor of outer permanent magnet are fixed with magnet fixed mount
Outer tube, motor outer tube is cylindrical to be snapped with turbine, constitutes generator amature;Four are respectively provided with motor shaft upper and lower ends using spiral shell button
Core high pressure sealing and multicore high pressure sealing, are provided with radial hole, in the radial hole in position of the motor shaft under interior permanent magnet
Single needle sealing is provided with using threaded connection;
Front grease chamber supporting mechanism is to be set with seal cap, trimmer, thrust axis successively from top to bottom on motor shaft top
Hold, positioning sleeve and deep groove ball bearing I, seal cap outer wall is threadedly coupled with motor outer tube, is radially provided with the groove of motor outer tube
Multiple oil filler points, each oil filler point opening's edge is provided with an oil filler plug;
Afterwards grease chamber compensation mechanism is to be set with deep groove ball bearing II in middle motor shaft lower circumference successively from top to bottom, live
Plug and counterbalance spring, in counterbalance spring lower end spring pressure cap, spring pressure cap and the inner circle screw thread socket of motor outer tube lower end are provided with,
Deep groove ball bearing II is located at single needle sealing lower section.
The mud turbine generator of the automatic vertical drilling tool of the present invention, is further characterized in that:
Black box II is set between seal cap inwall and motor shaft are cylindrical.
One group of black box I is respectively installed with piston inside and outside wall.
The invention has the beneficial effects as follows, generating mechanism, front grease chamber supporting mechanism, rear grease chamber are disposed with generator
Compensation mechanism, the mud turbine generator top seals support unit and is connected by spiral shell button and vertical drilling tool suspension, the mud
Electronics warehouse receipt unit is deposited by spiral shell button and instrument observing and controlling and is connected in the bottom of slurry turbogenerator.Dynamic power is provided using drilling mud
Turbogenerator be power supply unit that circuit is deposited in whole automatic vertical drilling tool observing and controlling, be also crucial unit.The mud
Circulating mud of the power resources of turbogenerator in pit shaft, its power bracket is wider, is of relatively low cost, non-environmental-pollution
Problem, power source ensure that generator can persistently generate electricity.The slurry generator supports front grease chamber, the compensation of rear grease chamber dynamic sealing
Formula is protected and Drive Technology is combined, and is achieved increase dynamic sealing reliability, is improved high-speed bearing service life, it is ensured that sends out
Motor adapts to mud working environment and persistently generates electricity reliability, the stability powered for automatic vertical drilling tool.And drilling process
In with the change of circulating mud discharge capacity, the generated energy of turbogenerator also in change, after rectifying and voltage-stabilizing hold by electricity
Continue and deposit circuit for instrument observing and controlling electric power is provided, it is ensured that the operation timeliness of automatic vertical drilling tool.
Description of the drawings
Fig. 1 is the structural representation of turbogenerator of the present invention;
Fig. 2 is the function division schematic diagram of turbogenerator of the present invention.
In figure, 1. motor shaft, 2. turbine, 3. seal cap, 4. motor outer tube, 5. oil filler plug, 6. trimmer, 7. thrust axis
Hold, 8. positioning sleeve, 9. deep groove ball bearing I, 10. outer permanent magnet, 11. magnet fixed mounts, permanent magnet in 12., the sealing of 13. single needles,
14. deep groove ball bearings II, 15. pistons, 16. spring pressure caps, 17. counterbalance springs, 18. multicore high pressure sealings, 19. black boies I,
20. black boies II, 21. 4 core high pressure sealings.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in detail.
With reference to Fig. 1, the structure of the present invention is, including generating mechanism, front grease chamber supporting mechanism, rear grease chamber compensation mechanism three
Point,
The structure of generating mechanism is to be set with interior permanent magnet 12 on the middle part of motor shaft 1 is cylindrical, constitutes generator unit stator;
A magnet fixed mount 11 is set with interior permanent magnet 12, outer permanent magnet 10, outer permanent magnet 10 are fixed with magnet fixed mount 11
Outside suit motor outer tube 4, motor outer tube 4 is cylindrical to be snapped with turbine 2, constitutes generator amature;In the upper and lower ends of motor shaft 1
Four core high pressure sealings 21 and multicore high pressure sealing 18 are respectively provided with using spiral shell button, in motor shaft 1 under interior permanent magnet 12
Position is provided with radial hole, and single needle sealing 13 is provided with using threaded connection in the radial hole, and single needle sealing 13 can be by generator
Electricity is transported to instrument observing and controlling and deposits in circuit by multicore high pressure sealing 18, can directly be read by four core high pressure sealings 21
Take the data of instrument observing and controlling memory cell storage.
Front grease chamber supporting mechanism is to be set with seal cap 3, trimmer 6, thrust successively from top to bottom on the top of motor shaft 1
Bearing 7, positioning sleeve 8 and deep groove ball bearing I 9, the inwall of seal cap 3 and motor shaft 1 it is cylindrical between be set with black box II 20
The effect of grease chamber before sealing, the outer wall of seal cap 3 is threadedly coupled with motor outer tube 4, is radially provided with the groove of motor outer tube 4 multiple
Oil filler point, each oil filler point opening's edge is provided with an oil filler plug 5, by injection insulation in oil filler plug 5 forward grease chamber supporting mechanism
Lubricating oil, lubricates bearing and prevents mud from entering motor internal.The front grease chamber supporting mechanism is primarily served and injects exhausted in motor
The effect of edge lubricating oil and support generating mechanism unit.
Afterwards grease chamber compensation mechanism be set with successively from top to bottom in the lower circumference of middle motor shaft 1 deep groove ball bearing II 14,
Piston 15 and counterbalance spring 17, in the lower end of counterbalance spring 17 spring pressure cap 16, spring pressure cap 16 and the lower end of motor outer tube 4 are provided with
Inner circle screw thread be socketed, deep groove ball bearing II 14 be located at single needle sealing 13 lower section, be respectively installed with the inside and outside wall of piston 15 one group it is close
Sealing assembly I 19, black box I 19 plays a part of the whole rear grease chamber compensation mechanism of sealing, when motor internal insulating oil is missed
Counterbalance spring 17 will promote piston 15 move and make all the time grease chamber holding certain pressure, prevent motor mud in underground work from entering
Inside it, motor is caused to work.The rear grease chamber compensation mechanism primarily serves compensation oil stream leakage, keeps motor internal fluid
It is with pressure to prevent mud from entering and support the effect of generating mechanism unit.
The operation principle of apparatus of the present invention is to see Fig. 2,
It is close using motor shaft 1, turbine 2, motor outer tube 4, outer permanent magnet 10, magnet fixed mount 11, interior permanent magnet 12, single needle
The generating mechanism for sealing 13 grade compositions plays and washes away generating by drilling mud, is that the effect that circuit is powered is deposited in instrument observing and controlling;
Supported using the front grease chamber of the compositions such as seal cap 3, trimmer 6, thrust bearing 7, positioning sleeve 8, deep groove ball bearing I 9
Mechanism plays a part of to motor internal injection insulation lubricating oil and supports generating mechanism unit;
Using the rear grease chamber compensation mechanism of the compositions such as deep groove ball bearing II 14, piston 15, spring pressure cap 16, counterbalance spring 17
Play a part of compensation oil stream leakage, keep motor internal fluid it is with pressure prevent mud enter and support generating mechanism unit.
The mud turbine generator top seals support unit and is connected by spiral shell button and vertical drilling tool suspension, the mud
Electronics warehouse receipt unit is deposited by spiral shell button and instrument observing and controlling and is connected in the bottom of turbogenerator.Generating mechanism is that whole slurry turbine generates electricity
The generator unit of machine, is also key structure.When work is gone into the well, mud washes away turbine to instrument in pit shaft, and turbine is driven by motor
The rotor of the compositions such as outer tube, outer permanent magnet is sent out around the motor stator rotary electrification being made up of motor shaft, interior permanent magnet etc.
Electricity is deposited circuit and is powered after rectification, voltage stabilizing directly to instrument observing and controlling.
Claims (3)
1. a kind of mud turbine generator of automatic vertical drilling tool, it is characterised in that:Support including generating mechanism, front grease chamber
Mechanism, the rear part of grease chamber compensation mechanism three;
The structure of generating mechanism is to be set with interior permanent magnet (12) on motor shaft (1) middle part is cylindrical, constitutes generator unit stator;
A magnet fixed mount (11) is set with interior permanent magnet (12), outer permanent magnet (10) is fixed with magnet fixed mount (11), outward
Outside suit motor outer tube (4) of permanent magnet (10), motor outer tube (4) is cylindrical to be snapped with turbine (2), constitutes generator amature;
Four core high pressure sealings (21) and multicore high pressure sealing (18) are respectively provided with using spiral shell button in motor shaft (1) upper and lower ends, in motor
Position of the axle (1) under interior permanent magnet (12) is provided with radial hole, is provided with single needle using threaded connection in the radial hole close
Envelope (13);
Front grease chamber supporting mechanism is set with seal cap (3), trimmer (6) successively from top to bottom, pushes away on motor shaft (1) top
Power bearing (7), positioning sleeve (8) and deep groove ball bearing I (9), seal cap (3) outer wall is threadedly coupled with motor outer tube (4), outside motor
Multiple oil filler points are radially provided with the groove of cylinder (4), each oil filler point opening's edge is provided with an oil filler plug (5);
Afterwards grease chamber compensation mechanism be set with successively from top to bottom in motor shaft (1) lower circumference deep groove ball bearing II (14),
Piston (15) and counterbalance spring (17), in counterbalance spring (17) lower end spring pressure cap (16), spring pressure cap (16) and electricity are provided with
The inner circle screw thread socket of machine outer tube (4) lower end, deep groove ball bearing II (14) is positioned at single needle sealing (13) lower section.
2. the mud turbine generator of automatic vertical drilling tool according to claim 1, it is characterised in that:Described is close
Black box II (20) is set between sealing cap (3) inwall and motor shaft (1) are cylindrical.
3. the mud turbine generator of automatic vertical drilling tool according to claim 1, it is characterised in that:Described work
One group of black box I (19) is respectively installed with plug (15) inside and outside wall.
Priority Applications (1)
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CN201510486241.6A CN105134459B (en) | 2015-08-10 | 2015-08-10 | Mud turbine generator of automatic vertical drilling tool |
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CN201510486241.6A CN105134459B (en) | 2015-08-10 | 2015-08-10 | Mud turbine generator of automatic vertical drilling tool |
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CN105134459A CN105134459A (en) | 2015-12-09 |
CN105134459B true CN105134459B (en) | 2017-05-10 |
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CN106320999B (en) * | 2016-08-18 | 2018-12-07 | 宝鸡石油机械有限责任公司 | The hermetically sealed suspension of automatic vertical drilling tool supports |
CN111473834B (en) * | 2020-05-22 | 2021-04-09 | 中国科学院地质与地球物理研究所 | Lubricating oil liquid level detection device of generator in drilling tool |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN2704959Y (en) * | 2004-10-20 | 2005-06-15 | 任俊 | Turbine generator for drilling |
CN201078306Y (en) * | 2007-07-10 | 2008-06-25 | 武汉海阔科技有限公司 | Down-hole slime pulp turbo generator |
CN100523485C (en) * | 2007-07-10 | 2009-08-05 | 武汉海阔科技有限公司 | Slurry turbine alternating current generator |
CN101725338A (en) * | 2008-10-15 | 2010-06-09 | 中国石化集团胜利石油管理局钻井工艺研究院 | Underground generation device |
DE102009005330A1 (en) * | 2009-01-16 | 2010-07-22 | Weatherford Energy Services Gmbh | Turbine for driving a generator in a drill string |
CN201843725U (en) * | 2010-11-05 | 2011-05-25 | 北京天形精钻科技开发有限公司 | Petroleum drilling mud power generation system |
CN202220711U (en) * | 2011-08-30 | 2012-05-16 | 中国石油化工股份有限公司 | Rotating magnetic filed type downwell power generating device |
CN203640919U (en) * | 2013-11-13 | 2014-06-11 | 张家港市胜港机械制造有限公司 | Underground turbine generator |
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Effective date of registration: 20210115 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |