CN106533098A - Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive - Google Patents

Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive Download PDF

Info

Publication number
CN106533098A
CN106533098A CN201611081284.7A CN201611081284A CN106533098A CN 106533098 A CN106533098 A CN 106533098A CN 201611081284 A CN201611081284 A CN 201611081284A CN 106533098 A CN106533098 A CN 106533098A
Authority
CN
China
Prior art keywords
motor
brake device
end cover
stator
brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611081284.7A
Other languages
Chinese (zh)
Inventor
雷平振
卫军娟
陈记春
丁涛
雷晓林
梁黎君
王晓东
李兵
刘新峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Yongji Electric Co Ltd
Original Assignee
CRRC Yongji Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CRRC Yongji Electric Co Ltd filed Critical CRRC Yongji Electric Co Ltd
Priority to CN201611081284.7A priority Critical patent/CN106533098A/en
Publication of CN106533098A publication Critical patent/CN106533098A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/20Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/32Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K17/00Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02Asynchronous induction motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1675Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/083Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium

Abstract

The invention relates to a technology of a variable frequency speed regulation motor for a top drive, specifically to a variable frequency speed regulation asynchronous motor with a mechanical brake device for a top drive. A motor non-driving end is designed to be equipped with the brake device which includes a base, a shaft sleeve, a brake disc and a brake, and the motor and the brake device is provided to a user as a whole set of equipment, thereby improving an integration capability of integration of the motor and motor braking; to satisfy a requirement for insulation on a motor bearing by a converter of a user, a non-transmission end cover structure is changed into an insulating end cover structure which use weftless tape binding, an insulating spacer and an insulating bush in a matched manner; and the motor has an independent cooling fan, and natural wind enters through an air inlet of the base, enters the fan through a disc brake device, passes an air channel and a junction box and blows into the motor through an air inlet of a front insulating end cover of the motor under the function of a fan impeller, then passes through a rotor ventilation hole, a stator ventilation hole and an air gap and blows out from shutters on a rear end cover. Such a structure can cool the motor, and can also achieve an effect of cooling the disc brake device.

Description

A kind of top drive variable-frequency control asynchronous motor with mechanical brake device
Technical field
The present invention relates to push up drive frequency control motor technology, specially a kind of top drive with mechanical brake device becomes Frequency speed-regulating asynchronous motor.
Background technology
Top-drive drilling since the nineteen eighty-two appearance, due to its good drilling well performance and adaptability, at present Widely adopted by countries in the world oil drilling circles, and little by little become important configuration and the development side of modern drilling machine To.The electric drive top driving device of early stage mainly adopts DC motor-driven patterns.In recent years, with powerful alternating-current variable frequency power The commercialization of motivation and reaching its maturity for technology, existing increasing top driving device adopt AC adjustable frequency motor type of drive. This is driven with speed adjustable range broadness, brushless spark, zero-speed full torque capability, overload capacity by ac variable-frequency electric motor By force, high working efficiency, explosion-proof, splashproof, safe and reliable, small volume, light weight, occupy little space, maintaining is simple and convenient, fortune What the series of advantages such as row good economy performance were determined.Scene application shows that it is more preferable that AC adjustable frequency motors drive top driving device to have Adaptability, economy, reliability and advance.
With the development of top drive technology, top-drive motor being required more and more strict -- overall dimension is less, compact conformation is closed Reason, barrier propterty be high, with mechanical brake device, dependable performance and is easy to maintenance.
The content of the invention
The present invention for meet at present top drive motor require compact conformation rationally, with mechanical brake device, dependable performance And it is easy to the technical requirements keeped in repair, there is provided a kind of top drive variable-frequency control asynchronous motor with mechanical brake device.
The present invention employs the following technical solutions realization:A kind of top drive with mechanical brake device is different with frequency control Step motor, including full laminated stator, be separately mounted to the front insulated end cover and rear end cap of stator upper and lower side, in stator The rotor and motor stator winding in portion;Terminal box is installed in the radial sidewalls of front insulated end cover;Motor is using vertical Three bearing arrangement of Double shaft-extension, near one end of front insulated end cover as non-transmision end, the one end near rear end cap is used as biography for rotating shaft Moved end;Brake device is installed at the top of front insulated end cover;In cavity structure inside the brake device, motor turns Axle is protruded in brake device by front insulated end cover, is furnished with two pieces of brakes inside brake device, is braked per block Device is divided into upper and lower two parts brake unit, and each brake unit has independent oil supply loop, and four brake units are by oil circuit point Orchestration parallel connection, while countershaft braking.
Further, blower fan is installed at the top of brake device, is provided with the top of brake device and blower fan phase The air outlet of connection, air channel one end of the blower fan are connected with the terminal box positioned at casing side, the other end and wind in air channel Machine spiral case is connected;The air inlet being interconnected is provided between the radial sidewalls of the terminal box and front insulated end cover;Braking brake The bottom of device leaves gap between the position at its edge and front insulated end cover and the marginal portion border be provided with cool down into Air port;Rotor ventilation hole is provided with the rotor;Stator air vent is provided with motor stator;Rotor and motor stator Between have air gap;Shutter is provided with rear end cap.
Further, front insulated end cover passes through two bearings, mono- bearings of rear end cap Jing in rotating shaft;Front insulating end Two bearings that lid matches share a bearing chamber, and the bearing that rear end cap matches is furnished with a bearing chamber, above-mentioned two bearing chamber The sealing structure that sealing is combined using labyrinth and groove, while oiling oil is respectively provided with front insulated end cover and rear end cap Road and draining oil circuit, and it is respectively configured fuel filler neck and oil spilling mouth.
Further, two bearings that front insulated end cover matches be respectively NU318E.M1.C3 roller bearings and QJ318N2MPAC3 four-point contact balls, the bearing that rear end cap matches adopt NU2222E.M1.C3 roller bearings.
Further, electric machine stator iron adopts full lamination inorganic shell welding structure, is shaped as square, and stator punching is laminated It is welded as a whole with 4 arm-ties with two ends trim ring afterwards, using male half coupling, and leaves the air vent of 20 φ 14;
Electric machine rotor iron core is laminated in rotating shaft by rotor key, and is locked in rotating shaft by round nut using circular punching, 16 18 axial ventilation holes of φ are provided with punching;Front insulated end cover and rear end cap adopt concave shaped welding structure.
Further, the spiral case of the blower fan is installed above air pressure probe, air pressure probe output electricity Stream signal, monitors fan induced draught one's intention as revealed in what one says pressure at any time by the current value for exporting;
Motor non-transmision end spindle nose installs the little axle of output, is provided with for testing the speed for exporting little rotating speed in brake device Degree encoder.
Further, the driving end shaft extension taper of rotating shaft is 1:10, for hot jacket travelling gear;Non-transmision end passes through axle sleeve Brake disc is installed, with brake cooperated power supply machine mechanical braking.
The technical characterstic of the present invention:
1), motor three bearing arrangements are stretched using vertical double-shaft, transmission end bearing is NU2222E.M1.C3, and non-transmision end bearing is (NU318E.M1.C3 +QJ318N2MPAC3), front insulated end cover is with rear end cap using concave shaped welding structure, two axles of reduction Support interval is held, reduction rotating shaft deflection reduces end cap position windage and ventilation eddy-current loss, while adding after the welding of end cap inner chamber again Work, increases end turn placement space as far as possible.
2), motor non-transmision end end cap adopt insulated end cover, effective protection bearing is from galvanic corrosion.
3), electric machine stator iron adopt the inorganic shell structure of full lamination, be shaped as square, stator punching laminate after with two side pressures Circle is welded as a whole with arm-tie.
4), rotating shaft be Double shaft-extension structure, driving end adopts 1:10 axis of cone are keyed, connect travelling gear;Non-transmision end d-axis It is keyed, for supporting braking device.
5), the sealing structure that combined using labyrinth and groove of sealed bearing housing, while arranging oiling oil circuit and draining oil Road, and fuel filler neck and oil spilling mouth (fuel filler neck, oil spilling mouth are arranged on front and rear cover) are configured, facilitate user to safeguard motor.
6), using new structure terminal box, reasonable Arrangement binding post and junction box air intake in the less space Case and live part are separated and increase ground connection bronze medal;Junction box cover plate bending simultaneously adds sealing structure using gasket, makes outside terminal box Shell degree of protection reaches IP55;Motor lead-out wire is drawn by sheath and is connected on insulation board, is crimped by independent tagblock, Service cable can conveniently wiring and do not affect the lead-out wire of motor itself;Two combination junction blocks of design, protect Card strong and weak electricity separates;Inlet air plenum upper cover design meets user's pressure sensor and installs replacing requirement into dismountable.
7), motor belt motor independence cooling blower, design and installation above volute of blower has air pressure switch sensor, blower fan It is installed at the top of motor on braking bracket, before motor, between insulated end cover and base, leaves space, natural wind passes through base air intake Mouth is entered, and enters blower fan through disc brake device, insulated end cover before passing through air channel, terminal box by motor under draught fan impeller effect Air inlet is blown into motor, rear Jing San Road:Rotor ventilation hole, stator air vent, air gap, and four shutters from rear end cap blow Go out.Such structure can cool down motor, reach the effect of cooler pan brake apparatus again.
8), brake device design -- brake mount be designed as steel plate welding all directions structure, by base, side plate, upper lid, A few part compositions such as backplate, before motor on insulated end cover, upper lid is the mounting seat of blower fan to floor installation simultaneously again.Brake mount I.e. as the mounting seat of brake actuator, it is blower fan wind path again.
Motor anti-drive end design and installation braking device, increases skidding seat, axle sleeve, brake disc and brake, Motor and braking device are supplied to into the integrated of user, raising motor and motor brake brake integration as complete equipment Ability;In order to meet insulating requirements of user's current transformer to motor bearings, non-drive end cover structure is changed to without latitude band colligation+absolutely Edge pad+matching used the insulating end cover structure of insulation sleeve;The cooling blower of motor belt motor independence, assembling are stopped at the top of motor In underbody seat, space before motor, between insulated end cover and base, is left, natural wind is entered by the cooling air inlet being opened on base Enter, blower fan is entered through disc brake device, the air intake of insulated end cover before passing through air channel, terminal box by motor under draught fan impeller effect Mouth is blown into motor, rear Jing San Road:Rotor ventilation hole, stator air vent, air gap, and four shutter blowouts from rear end cap. Such structure can cool down motor, reach the effect of cooler pan brake apparatus again.
Description of the drawings
Fig. 1 main views of the present invention and internal structure schematic diagram.
Fig. 2 side structure schematic views of the present invention.
Fig. 3 five logical oil channel structures schematic diagrames of the present invention.
In figure:1- SKF locking nuts;Insulated end cover before 2-;3- bearing NU318E.M1.C3;4- bearings QJ318N2MPAC3;Inner oil seal before 5-;Inside cap before 6-;7- stators are assembled;8- rotors are assembled;Inner oil seal after 9-;In after 10- Bearing cap;11- bearing NU2222E.M1.C3;12- rear end caps;Outer bearing cover after 13-;Outer seal ring after 14-;15- wiring is box-packed Match somebody with somebody;16- bases;17- brakes;18- axle sleeves;19- brake discs;20- exports little axle;21- speed encoders;22- air pressures Sensor;23- blower fans;24- air channels, 25- oil circuits five lead to, 26- oil-ins, 27- oil-outs, 28- flowlines.
Specific embodiment
Patent of the present invention is described further below in conjunction with accompanying drawing.
A kind of variable-frequency control asynchronous motor of the top drive with mechanical brake device is mainly by containing fixed as shown in Figure 1 The item 7 of sub unshakable in one's determination and stator winding(Stator is assembled), containing rotating shaft, rotor core, rotor bar, end ring item 8(Rotor is filled Match somebody with somebody), item 23(Blower fan), item 12(Rear end cap), item 2(Front insulated end cover)With item 15(Wiring capsule)And mechanical brake device structure Into.
1), stator core adopt full lamination inorganic shell welding structure, be shaped as square, stator punching laminate after with two side pressures Circle is welded as a whole with 4 arm-ties, using male half coupling, and leaves the air vent of 20 φ 14, external surfaces smooth, structure It is succinct reliable.Molded stator winding is provided with stator core and vacuum pressure impregnation, rotary roasting is carried out, and then forms item 7(It is fixed Son assembling).
2), item 7(Stator is assembled)It is respectively fixed at two ends with item 2(Front insulated end cover), item 12(Rear end cap), forward and backward end cap Warp beam holds item 3(NU318E.M1.C3)+ item 4(QJ318N2MPAC3), item 11( NU2222E.M1.C3)It is supported in rotating shaft, axle The sealing structure that room sealing is combined using labyrinth and groove is held, while face is covered in front and back ends arranges oiling oil circuit and draining Oil circuit, and configure fuel filler neck and oil spilling mouth.
3), item 2(Front insulated end cover)On be respectively fixed with before inside and outside vulcanized fiber board, item 1(SKF locking nuts), item 6(In front Bearing cap)And item 5(Front inner oil seal)Deng item 12(Rear end cap)Inside and outside vulcanized fiber board, item 9 after being respectively fixed with(Inner oil seal afterwards), item 10(Inside cap afterwards), item 13(Outer bearing cover afterwards)And item 14(Outer seal ring afterwards)Deng, forward and backward end cap and item 7(Stator is assembled)It is logical Cross four pull bars to link into an integrated entity.
4), item 8(Rotor is assembled)Upper rotor press plate to be housed and is enclosed within rotating shaft, rotor core is passed through using circular punching Rotor key is laminated in rotating shaft, and is locked in rotating shaft by round nut.Punching is provided with 16 18 axial ventilation holes of φ.
5), armature spindle be Double shaft-extension;Driving end shaft extension taper is 1:10, for hot jacket travelling gear;Non-drive shaft extension heat Set brake disc, power supply machine mechanical braking.Transmission end bearing adopts NU2222E.M1.C3 roller bearings, bears driving end radial load. Non-transmision end is provided with two bearings:One is NU318E.M1.C3 roller bearings, bears non-transmision end radial load;One is QJ318N2MPAC3 four-point contact balls, bear the axial force suffered by whole rotor.
6), motor non-transmision end mechanical braking brake gear is installed, the set mechanical brake device is by item 16(Base), item 17(Brake), item 18(Axle sleeve)And item 19(Brake disc)It is integrated;Every motor is equipped with two pieces of brakes, and every piece of brake is divided into Upper and lower two parts, per partly there is independent oil supply loop, four brake units are by a kind of oil path distributor of particular design(Five Logical and oil pipe component)Parallel connection, while braking;Brake base be designed as steel plate welding all directions structure, by base, side plate, on A few part compositions such as lid, backplate, on motor non-transmision end end cap, upper lid is the mounting seat of blower fan to floor installation simultaneously again. Mounting seat of the brake mount i.e. as brake actuator, is blower fan wind path again, such structure can cool down motor reach again it is cold But the effect of disc brake device.
7), item 23 is installed at the top of motor non-transmision end(Blower fan), forced ventilation cooling, volute of blower is installed above item 22(Air pressure probe)Inlet scoop blast, the cold wind Jing San Road of suction are monitored at any time:Blower fan is from motor enclosing cover and disc brake Cold wind, Jing items 24 are sucked between seat(Air channel), item 15(Wiring capsule), by motor item 2(Front insulated end cover)Air inlet blow Enter motor, rear Jing San Road:Rotor ventilation hole, stator air vent, air gap, and from item 12(Rear end cap)On four shutters blow Go out.
8), using new structure item 15(Wiring capsule), inlet box and terminal box live part, gripper shoe can be isolated On fast disassembly type cover plate is installed, facilitate user installation, dismounting motor itself three-phase outgoing cable;The disposable punching press of junction box cover plate Shaping bending simultaneously adds sealing structure using gasket so that terminal box shell meets 55 degree of protection requirement of User IP;Combination junction block It is installed on fast disassembly type cover plate, and ensures strong and weak electric isolution, facilitates terminal block and dismounting;Motor lead-out wire is propped up by being embedded in Sheath above fagging is drawn, and is connected on insulation board, is crimped by independent tagblock, and service cable can be conveniently fast Prompt wiring and do not affect the lead-out wire of motor itself to fasten;Junction box is provided with insulation support plate, can prevent user from drawing Enter cable and motor itself outgoing cable to come in contact, eliminate safe hidden trouble.
9), motor non-transmision end spindle nose install item 20(Export little axle), item 21(Speed encoder), turn for carrying out motor Speed measurement.
The five logical oil channel structures configured using brake by the present invention are illustrated in figure 3, for realizing four brake units Parallel connection, including inside is the oil circuit five logical 25 of cavity structure;It is provided with one side wall of the oil circuit five logical 25 Oil-in 26, is provided with four oil-outs 27 on another side wall relative with the side wall for being provided with oil-in 26 on oil circuit five logical 25; A flowline 28 is connected with four oil-outs 27 respectively.

Claims (7)

1. a kind of top drive variable-frequency control asynchronous motor with mechanical brake device, including full laminated stator, it is respectively mounted Front insulated end cover and rear end cap in stator upper and lower side, installed in the rotor and motor stator winding of stator interior;It is front exhausted Terminal box is installed in the radial sidewalls of acies lid;Motor stretches three bearing arrangements using vertical double-shaft, and rotating shaft is near front insulation Used as non-transmision end, the one end near rear end cap is used as driving end for one end of end cap;Characterized in that, pacifying at the top of front insulated end cover Equipped with brake device;Inside the brake device be in cavity structure, motor rotary shaft by front insulated end cover stretch out into Enter in brake device, inside brake device, be furnished with two pieces of brakes, every piece of brake is divided into upper and lower two parts braking Unit, each brake unit have independent oil supply loop, and four brake units pass through oil path distributor parallel connection, while to turning Axle is braked.
2. a kind of top drive variable-frequency control asynchronous motor with mechanical brake device as claimed in claim 1, its feature It is that blower fan is installed at the top of brake device, at the top of brake device, is provided with the air outlet being connected with blower fan; Air channel one end of blower fan is connected with the terminal box positioned at casing side, and the other end in air channel is connected with volute of blower;It is described to connect The air inlet being interconnected is provided between the radial sidewalls of line box and front insulated end cover;The bottom of brake device is near its side Gap and the marginal portion border are left between the position of edge and front insulated end cover and is provided with cooling air inlet;On the rotor It is provided with rotor ventilation hole;Stator air vent is provided with motor stator;There is air gap between rotor and motor stator;On rear end cap It is provided with shutter.
3. a kind of top drive variable-frequency control asynchronous motor with mechanical brake device as claimed in claim 2, its feature It is that front insulated end cover is by two bearings, mono- bearings of rear end cap Jing in rotating shaft;Two of front insulated end cover matching Bearing shares a bearing chamber, and the bearing that rear end cap matches is furnished with a bearing chamber, and above-mentioned two sealed bearing housing adopts labyrinth The sealing structure combined with groove, while oiling oil circuit and draining oil are respectively provided with front insulated end cover and rear end cap Road, and it is respectively configured fuel filler neck and oil spilling mouth.
4. a kind of top drive variable-frequency control asynchronous motor with mechanical brake device as claimed in claim 3, its feature It is that two bearings that front insulated end cover matches are respectively the 4 points of contacts of NU318E.M1.C3 roller bearings and QJ318N2MPAC3 Ball bearing, the bearing that rear end cap matches adopt NU2222E.M1.C3 roller bearings.
5. a kind of top of as any one of claim 1 ~ 4 with mechanical brake device is driven with variable-frequency control asynchronous electronic Machine, it is characterised in that electric machine stator iron adopts full lamination inorganic shell welding structure, is shaped as square, after stator punching is laminated It is welded as a whole with 4 arm-ties with two ends trim ring, using male half coupling, and leaves the air vent of 20 φ 14;
Electric machine rotor iron core is laminated in rotating shaft by rotor key, and is locked in rotating shaft by round nut using circular punching, 16 18 axial ventilation holes of φ are provided with punching;
Front insulated end cover and rear end cap adopt concave shaped welding structure.
6. as claimed in claim 2 or claim 3 a kind of top drive variable-frequency control asynchronous motor with mechanical brake device, which is special Levy and be, the spiral case of the blower fan is installed above air pressure probe, and air pressure probe output current signal passes through The current value of output monitors fan induced draught one's intention as revealed in what one says pressure at any time;
Motor non-transmision end spindle nose installs the little axle of output, is provided with for testing the speed for exporting little rotating speed in brake device Degree encoder.
7. a kind of top drive variable-frequency control asynchronous motor with mechanical brake device as claimed in claim 6, its feature It is that the driving end shaft extension taper of rotating shaft is 1:10, for hot jacket travelling gear;Non-transmision end is provided with brake by axle sleeve Disk, with brake cooperated power supply machine mechanical braking.
CN201611081284.7A 2016-11-30 2016-11-30 Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive Pending CN106533098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611081284.7A CN106533098A (en) 2016-11-30 2016-11-30 Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611081284.7A CN106533098A (en) 2016-11-30 2016-11-30 Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive

Publications (1)

Publication Number Publication Date
CN106533098A true CN106533098A (en) 2017-03-22

Family

ID=58353665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611081284.7A Pending CN106533098A (en) 2016-11-30 2016-11-30 Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive

Country Status (1)

Country Link
CN (1) CN106533098A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111200336A (en) * 2018-11-19 2020-05-26 中车永济电机有限公司 Stator junction box and wind driven generator
CN111446816A (en) * 2020-04-07 2020-07-24 刘书德 Six-phase AC motor frequency conversion speed regulation system
CN111691817A (en) * 2020-07-29 2020-09-22 东营市汉德自动化集成有限公司 Direct-drive type electric top drive for well drilling

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2149513Y (en) * 1993-02-25 1993-12-15 贵州红湖机械厂 Self-compensation brake
CN1885682A (en) * 2006-05-19 2006-12-27 中国北车集团永济电机厂 Oil field drill top-drive motor ventilator
CN101075760A (en) * 2007-06-21 2007-11-21 中国北车集团永济电机厂 Vertical AC asynchronous topped driven motor
CN101404422A (en) * 2008-11-08 2009-04-08 永济新时速电机电器有限责任公司 Top-drive variable-frequency control asynchronous motor
CN102386735A (en) * 2011-11-22 2012-03-21 永济新时速电机电器有限责任公司 Compact-type high-power top drive variable frequency speed control asynchronous motor
CN103607068A (en) * 2013-11-18 2014-02-26 东南大学 Low-speed motor direct driving mechanism used for top part driving well drilling device
CN106059165A (en) * 2016-08-15 2016-10-26 中车永济电机有限公司 Increased-safety explosion-proof type frequency-conversion speed regulation asynchronous motor for petroleum drilling winch

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2149513Y (en) * 1993-02-25 1993-12-15 贵州红湖机械厂 Self-compensation brake
CN1885682A (en) * 2006-05-19 2006-12-27 中国北车集团永济电机厂 Oil field drill top-drive motor ventilator
CN101075760A (en) * 2007-06-21 2007-11-21 中国北车集团永济电机厂 Vertical AC asynchronous topped driven motor
CN101404422A (en) * 2008-11-08 2009-04-08 永济新时速电机电器有限责任公司 Top-drive variable-frequency control asynchronous motor
CN102386735A (en) * 2011-11-22 2012-03-21 永济新时速电机电器有限责任公司 Compact-type high-power top drive variable frequency speed control asynchronous motor
CN103607068A (en) * 2013-11-18 2014-02-26 东南大学 Low-speed motor direct driving mechanism used for top part driving well drilling device
CN106059165A (en) * 2016-08-15 2016-10-26 中车永济电机有限公司 Increased-safety explosion-proof type frequency-conversion speed regulation asynchronous motor for petroleum drilling winch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111200336A (en) * 2018-11-19 2020-05-26 中车永济电机有限公司 Stator junction box and wind driven generator
CN111446816A (en) * 2020-04-07 2020-07-24 刘书德 Six-phase AC motor frequency conversion speed regulation system
CN111691817A (en) * 2020-07-29 2020-09-22 东营市汉德自动化集成有限公司 Direct-drive type electric top drive for well drilling

Similar Documents

Publication Publication Date Title
CN106533098A (en) Variable frequency speed regulation asynchronous motor with mechanical brake device for top drive
CN103718430B (en) Electro-motor
CN105191077A (en) Electric machine having a bearing shield
CN104767330A (en) Double-stator variable frequency speed regulation asynchronous motor
CN110388327A (en) Heat pump including fluid compression engine
CN102214978A (en) Wire-wound three-phase asynchronous motor with external electric brush and external slide ring
CN206490561U (en) Pure electric drive ore deposit truck bi-motor integration-in-one permanent-magnet synchronizing traction motor
CN111682677B (en) Integrated motor with forced air cooling structure
CN104218736A (en) Self-ventilation asynchronous motor with large induced draught fan
CN207652169U (en) A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability
JP2019190461A (en) Fuel cell including fluid compressor
CN204497929U (en) Bimorph transducer variable-frequency control asynchronous motor
CN205407467U (en) EMUs traction motor cooling blower's driving motor
CN107959385A (en) A kind of traction electric machine with circulated air terminal lid arrangement
CN208316467U (en) Dryer DC Brushless Motor with deceleration device and double protector
CN204089479U (en) A kind of self-ventilation asynchronous machine of big fan air-draft-type
CN108347146A (en) A kind of special frequency conversion permanent magnet synchronous motor of oil-well rig drilling pump
CN203225628U (en) Drive motor for traction fan of high-power locomotive
CN208316499U (en) The dryer DC Brushless Motor of novel belt deceleration device
CN107017730A (en) The wide many inlet wire explosion-proof frequency conversion speed-regulating three-phase asynchronous motors of pressure of wideband
CN204992998U (en) Self cooling PMSM of special power assisted steering of new energy automobile
CN206302313U (en) A kind of vertical Flame-Proof Three-Phase Induction Motors
CN204706995U (en) A kind of permanent magnetism compound machine
CN217632247U (en) Direct-drive turntable for oil drilling machine
CN209001718U (en) A kind of rotor convenient for safeguarding

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170322

RJ01 Rejection of invention patent application after publication