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 PDFInfo
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- 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
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- Prior art keywords
- motor
- brake device
- end cover
- stator
- brake
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means 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
- H02K5/1732—Means 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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
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.
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 |
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| CN (1) | CN106533098A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834751A (en) * | 2017-11-28 | 2018-03-23 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
| CN108667210A (en) * | 2018-06-29 | 2018-10-16 | 无锡新宏泰电器科技股份有限公司 | A kind of brake type motor |
| 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 |
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| CN2149513Y (en) * | 1993-02-25 | 1993-12-15 | 贵州红湖机械厂 | Automatic compensation brake |
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| 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 |
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| 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 |
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| 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 |
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| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107834751A (en) * | 2017-11-28 | 2018-03-23 | 威海众泰电机有限公司 | A kind of high-speed electric expreess locomotive |
| CN108667210A (en) * | 2018-06-29 | 2018-10-16 | 无锡新宏泰电器科技股份有限公司 | A kind of brake type motor |
| 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 |
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Application publication date: 20170322 |