CN107040108A - Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous - Google Patents
Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous Download PDFInfo
- Publication number
- CN107040108A CN107040108A CN201710497096.0A CN201710497096A CN107040108A CN 107040108 A CN107040108 A CN 107040108A CN 201710497096 A CN201710497096 A CN 201710497096A CN 107040108 A CN107040108 A CN 107040108A
- Authority
- CN
- China
- Prior art keywords
- rotor
- axle
- support
- stator
- belt conveyor
- 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
Links
Classifications
-
- 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
- H02K17/12—Asynchronous induction motors for multi-phase current
-
- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous, including stator, rotor, cooling device；Stator include support and be arranged at base inner have wound stator unshakable in one's determination；Rotor includes axle and the cage rotor being arranged on axle, and axle one end, which is stretched out, forms axle stretch end outside support, the other end, which is located in the end shield of support, forms non-shaft stretching end, and axle stretch end and non-shaft stretching end are supported in stator by end-cap assembly respectively；Cooling device includes ventilating duct, internal fan and external fan, and ventilating duct and internal fan are located in support, and are fixed on axle, and ventilating duct is connected with internal fan, and external fan is located in end shield, and is fixed on the non-shaft stretching end of axle.The present invention can meet the load characteristic requirement of coal mine belt conveyor, and to avoid the quality problems such as motor start-up time length, motor temperature rise is high, rotor end ring comes off or melts, slot wedge comes off, stator burns, the overall performance of lifting motor increases the service life.
Description
Technical field
The present invention relates to electric motors, more particularly to a kind of coal mine belt conveyor phase asynchronous electricity of high voltage flameproof
Motivation.
Background technology
Ribbon conveyer is the crucial means of delivery of Modern coal mines, and its reliability directly affects development and the effect of colliery industry
Benefit.However, the high-voltage motor of supporting ribbon conveyer but occurs again and again in large-scale mines such as Shanxi, Ningxia, the Inner Mongol in recent years
The quality problems such as motor starting time length, motor temperature rise are high, rotor end ring comes off or melted, slot wedge comes off, stator burns.From coal
The applying working condition of ore deposit ribbon conveyer sets out, main cause for it is following some：
1. compared with surface facility environment, underground coal mine bad environments, high humidity (87%~100%), dust concentration are high
(50~100mg/m3), situation having or even having infiltration proposes higher requirement to motor performance；
2. according to large belt conveyor long range, high belt speed, powerful feature, it is desirable to which power of motor is very big, still
Influenceed to reduce impact of the unit large-size machine on power network, ribbon conveyer is driven in design using multimachine, in reality
The unbalanced problem of power of motor is there is in the application of border；
3. the coal for being transported out coming from getting working face is often accompanied by spoil, iron charge, wooden stick etc., to ensure induction system operation
Security needs detect motor stopping, additionally, due to Control System of Belt Conveyer failure cause, also often to shut down, this just makes
Into the frequent heavy load starting of ribbon conveyer motor.
The content of the invention
In view of this, it is an object of the invention to provide a kind of coal mine belt conveyor phase asynchronous electricity of high voltage flameproof
Motivation, can meet the load characteristic requirement of coal mine belt conveyor, and to avoid, motor start-up time length, motor temperature rise are high, turn
The quality problems such as sub- end ring comes off or melted, slot wedge comes off, stator burns, the overall performance of lifting motor, extension uses the longevity
Life.
The coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous of the present invention, including stator, rotor, cooling dress
Put；The stator include support and be arranged at base inner have wound stator unshakable in one's determination；The rotor includes axle and is arranged on axle
On cage rotor, described axle one end, which is stretched out, forms axle stretch end outside support, the other end, which is located in the end shield of support, forms non-shaft extension
End, axle stretch end and non-shaft stretching end are supported in stator by end-cap assembly respectively；The cooling device includes ventilating duct, internal fan
And external fan, the ventilating duct and internal fan are located in support, and are fixed on axle, and the ventilating duct is connected with internal fan,
The external fan is located in end shield, and is fixed on the non-shaft stretching end of axle.
Further, the support uses and is provided with some gradual change type fin on the IC411 types of cooling, support excircle.
Further, the bearing part that the end-cap assembly includes being used to support axle is used for installation axle with support end is arranged on
The end cap of bearing member, the end cap is removably fixed to support end, and outer face is provided with horizontal vertical in end cap
The radiating ribs of distribution, the bearing part is provided with plane flameproof surface, the end cap and support junction, bearing part with end cap junction
Cylinder explosion suppresion surface is respectively equipped with shaft connection place.
Further, the bearing part is held by deep groove ball bearing and axis of a cylinder and constituted.
Further, the cage rotor includes rotor core, the rotor bar being fixed in rotor core groove and fixation
It is used for the rotor end ring of short circuit in rotor bar two ends, the rotor core is using high magnetic conduction and the silicon steel plate stacking of mutually insulated
Form, the rotor bar uses aluminum strip or copper bar.
Further, the current density of the cage rotor is not more than 2.0A/mm2, rotor end ring current density is not more than
1.1A/mm2, locked rotor current multiple is not higher than 5.5.
It is further, described to there is wound stator iron core to include stator core and the stator coil being fixed in stator coring groove,
The stator core is formed using the silicon steel plate stacking of high magnetic conduction and mutually insulated, the stator coil using variable frequency electromagnetic wire around
System is formed.
Further, it is described to have wound stator steel core current density no more than 2.3A/mm2, locked-rotor torque multiple is not less than
1.2, torque capacity multiple is not less than 2.5.
Further, the internal fan and external fan are bidirectional fan, and the internal fan uses radial direction centrifugal structure, outside
Fan uses benzvalene form exocentric structure.
Further, outgoing line device is provided with the support outer wall, the outgoing line device is auxiliary on support including being fixed on
Adjuvant grafting line box, terminal box bearing and the main junction box for being fixed on terminal box carrier exterior, the support and assistant junction box and
The junction of the junction of terminal box bearing, main junction box and terminal box bearing is respectively equipped with seam explosion suppresion surface.
Beneficial effects of the present invention：The coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous of the present invention, energy
Motor coefficient of utilization is enough improved, ribbon conveyer power of motor distribution imbalance can be not only solved and cause overload problem, it is to avoid
Electric-control system, which is frequently alarmed, shuts down or burn-down of electric motor, can reduce casing heat radiation energy in motor surface sediment humid zone viscosity dust again
In the case of power, controlled motor temperature rise；By reducing the stator coil number of turn, adjustment rotor notch shape, it is possible to increase motor is blocked up
Turn torque multiple and torque capacity multiple, control locked rotor current multiple, so as to can both shorten motor starting time, reduction rotor is led
The startup temperature rise of bar and rotor end ring, reduces damage of the rush of current to winding insulation and rotor, can also meet ribbon conveyer
Frequent heavy load starting working condition requirement, can effectively reduce or even prevent that winding, stator slot wedge come off, rotor end ring comes off
Problems.Variable frequency electromagnetic wire and frequency conversion insulation system is used to meet inverter supply demand simultaneously.Cooling device is using interior
Outer two-way wind path, in control machinery loss and outer ventilation circuit wind speed to reach that guaranteed efficiency reaches GB 30254-2013《High pressure three
Phase cage type asynchronous motor energy efficiency market and efficiency grade》On the premise of 2 grades of efficiency requirements, control temperature rises, belt is met defeated
Send the driving of machine motor multimachine the emergent General Requirement called.Therefore the present invention can be good at adapting to coal mine belt conveyor
Load characteristic, to avoid, motor start-up time length, motor temperature rise is high, rotor end ring comes off or melts, slot wedge comes off, stator burns
The quality problems such as ruin, the overall performance of lifting motor increases the service life.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 side view.
Embodiment
Fig. 1 is the structural representation of the present invention, and Fig. 2 is Fig. 1 side view, as shown in the figure：The colliery belt of the present embodiment
Conveyer high-pressure explosion-proof type three-phase asynchronous, including stator, rotor, cooling device；The stator includes support 4 and set
Being placed in inside support 4 has wound stator unshakable in one's determination；The rotor includes axle 1 and the cage rotor being arranged on axle 1, the axle 1
The outer formation axle stretch end of support 4 is stretched out in one end, and the other end, which is located in the end shield 14 of support 4, forms non-shaft stretching end, axle stretch end and non-axle
End is stretched to be supported in stator by end-cap assembly respectively；The cooling device includes ventilating duct 10, internal fan 11 and external fan
13, the ventilating duct 10 and internal fan 11 are located in support 4, and are fixed on axle 1, and the ventilating duct 10 connects with internal fan 11
Logical, the external fan 13 is located in end shield 14, and is fixed on the non-shaft stretching end of axle 1, by axle 1 by produced by cage rotor
Electromagnetic torque is delivered to the load that motor is dragged, i.e. output mechanical energy.
In the present embodiment, the support 4, which is used, to be provided with some gradual change types and dissipates on the IC411 types of cooling, the excircle of support 4
Backing, good heat dissipation effect.
In the present embodiment, the end-cap assembly includes bearing part (axle stretch end bearing part 2, the non-shaft extension for being used to support axle 1
End bearing part 15) and be arranged on the end of support 4 and be used to the end cap (axle stretch end end cap 3, non-shaft stretching end end cap 12) of bearing part be installed,
The end cap (axle stretch end end cap 3, non-shaft stretching end end cap 12) is removably fixed to the end of support 4, and end cap (shaft extension
End end cap 3, non-shaft stretching end end cap 12) interior outer face is provided with the radiating ribs of level perpendicular distribution, to increase area of dissipation, improves
Integral heat sink ability, the bearing part (axle stretch end bearing part 2, non-shaft stretching end bearing part 15) and end cap are (axle stretch end end cap 3, non-
Axle stretch end end cap 12) junction is provided with plane flameproof surface, the end cap (axle stretch end end cap 3, non-shaft stretching end end cap 12) and support 4
Junction, bearing part (axle stretch end bearing part 2, non-shaft stretching end bearing part 15) and the junction of axle 1 are respectively equipped with cylinder explosion suppresion surface, this
Axle stretch end end cap 3, the non-shaft stretching end end cap 12 of embodiment are bolted on the two ends of support 4 respectively, axle stretch end end cap 3, non-
The junction of axle stretch end end cap 12 and support 4 is respectively equipped with cylinder explosion suppresion surface, and all explosion suppresion surfaces meet GB 3836.2-
2010Exd I is required..
In the present embodiment, the bearing part is held by deep groove ball bearing and axis of a cylinder and constituted, and wherein deep groove ball bearing can both be born
Axial force can bear radial load again, and axis of a cylinder is held, and individually bears radial load.The axle stretch end bearing part 2, non-shaft stretching end of the present embodiment
Bearing part 15 is installed with corresponding end cap by bolt fix respectively, is steadily rotated freely with support shaft 1, and with axle stretch end end
Lid 3, non-shaft stretching end end cap 12 1, which work, determines the axially position of cage rotor, it is ensured that stator core 6, rotor core 7 are axially
Alignment, in addition to it can reduce axial magnetic pull, can also make full use of active iron core raw material；While this kind of bearing combined structure
It is more suitable for producing the fans load of large axial force, reduces bearing fault, it is ensured that motor is run reliably and with long-term.
In the present embodiment, the cage rotor include rotor core 7, the rotor bar 8 that is fixed in the groove of rotor core 7 with
And be fixed on the two ends of rotor bar 8 be used for short circuit rotor end ring 9, the rotor core 7 high magnetic conduction of use and mutually insulated
Silicon steel plate stacking is formed, and the rotor bar 8 uses aluminum strip or copper bar, and the rotor bar 8 of the present embodiment is poured into a mould or embedded rotor
In the groove of iron core 7, cage rotor can under the rotating excitation field for thering is wound stator iron core to produce induced electromotive force, and produce electromagnetism
Torque, realization is converted into mechanical energy by electric energy.
In the present embodiment, the current density of the cage rotor is not more than 2.0A/mm2, the current density of rotor end ring 9 is little
In 1.1A/mm2, locked rotor current multiple is not higher than 5.5, and by adjusting rotor punching notch size, control locked rotor current multiple is not
Higher than 5.5.
It is described to there is wound stator iron core to include stator core 6 and the stator being fixed in the groove of stator core 6 in the present embodiment
Coil 5, the stator core 6 is formed using the silicon steel plate stacking of high magnetic conduction and mutually insulated, and the stator coil 5 uses frequency conversion
Electromagnetic wire coiling is formed, and the stator coil 5 of the present embodiment is embedded in the groove of stator core 6, and stator coil 5 presses star or triangle
Connect and rotating excitation field produced by three-phase alternating-current supply, its insulation system uses heat-resisting, moisture resistance, impact resistance insulator system,
The stator coil 5 of the present embodiment meets Transposed wind copper strap wire using Kapton-fluorine 46, and insulation system is gathered using H grades
Imide membrane mica paper tape, 5 layers of 6kV half-stack packages, 8 layers of 10kV half-stack packages, using 2640-2W low-resistance belts, hot shortness 0.15X20
1 layer of each half-stack package of middle stopband, hot shortness's 0.15X20 high stop band, using H grades of solvent-free impregnating resin VPI dipping lacquers, meets frequency converter
The use requirement of the pulse power, and be provided with stator winding heater, it is different according to motor volume, heater power is 400~
800W, to avoid machine winding moisture damage.
It is described to have wound stator steel core current density no more than 2.3A/mm in the present embodiment2, locked-rotor torque multiple is low
In 1.2, torque capacity multiple is not less than 2.5, by reducing the number of turn of stator coil 5, and control locked-rotor torque multiple is not less than 1.1,
Torque capacity multiple is not less than 2.5.
In the present embodiment, the internal fan 11 and external fan 13 are bidirectional fan, the internal fan 11 using radially from
Heart type structure, drives rotation to form interior wind path power supply machine internal cooling by axle 1；External fan 13 uses benzvalene form exocentric structure, leads to
Crossing axle 1 drives rotation to form the cooling of outer ventilation circuit power supply machine surface.The end shield 14 of the present embodiment is arranged on motor non-shaft stretching end, uses
Acted in outer ventilation circuit air intake and wind-guiding；Internal fan 11, external fan 13 constitute the cooling of motor together with ventilating duct 10, end shield 14
Device, cooling wind speed and the control of mechanical loss according to the form below, and consider that its wind speed meets motor radiating demand during low-frequency operation.
In the present embodiment, outgoing line device is provided with the outer wall of support 4, the outgoing line device includes being fixed on support 4
On assistant junction box 17, terminal box bearing 16 and the main junction box 18 being fixed on outside terminal box bearing 16, the support 4
Junction, the junction of main junction box 18 and terminal box bearing 16 with assistant junction box 17 and terminal box bearing 16 are respectively equipped with
Seam explosion suppresion surface, the assistant junction box 17 of the present embodiment is installed by bolt with support 4, for bearing, has wound stator unshakable in one's determination
Monitoring temperature and heating installation power supply；Main junction box 18 is installed by bolt with terminal box bearing 16, for being passed through three-phase alternating current
Source；Main junction box 18 and profile and the mounting hole arrangement of the junction of terminal box bearing 16 are designed to circular configuration, main junction box
18 every certain angle (minimum 10 °) can be adjusted flexibly outlet direction in the range of 360 °；All explosion suppresion surfaces meet GB
3836.2-2010Exd I requires.
Cylinder, seam matching design are used in the present embodiment between housing components, shell protection grade is improved, on the one hand
Be in order to prevent water enter motor case inside, cause motor insulation resistance decline, aging the problem of, be on the other hand to prevent powder
Dirt enters inside motor case.Columnar design make it that the rotation of terminal box any direction is more square to adjust line outlet direction
Just.
By adjusting the number of turn n of stator coil 5, stator core 6, the length l of rotor core 7 in the present embodiment, rotor groove profile,
The electromagnetic parameters such as the shape of rotor end ring 9 reduction motor temperature rise, raising overload capacity and startability, reasonable distribution iron loss, copper loss,
Optimize internal fan 11, the reduction mechanical loss of external fan 13, improve efficiency.Rationally design rotor, makes its intrinsic frequency avoid change
Frequency scope, it is to avoid motor operation causes resonance.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (10)
1. a kind of coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous, it is characterised in that：Including stator, rotor,
Cooling device；The stator include support and be arranged at base inner have wound stator unshakable in one's determination；The rotor includes axle and set
The cage rotor on axle is put, described axle one end, which is stretched out, forms axle stretch end outside support, the other end, which is located in the end shield of support, to be formed
Non-shaft stretching end, axle stretch end and non-shaft stretching end are supported in stator by end-cap assembly respectively；The cooling device include ventilating duct,
Internal fan and external fan, the ventilating duct and internal fan are located in support, and are fixed on axle, the ventilating duct and internal fan
Connection, the external fan is located in end shield, and is fixed on the non-shaft stretching end of axle.
2. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, it is characterised in that：
The support uses and is provided with some gradual change type fin on the IC411 types of cooling, support excircle.
3. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, it is characterised in that：
The end-cap assembly includes the bearing part for being supported to axle and is arranged on the end cap that support end is used to install bearing part, described
End cap is removably fixed to support end, and outer face is provided with the radiating ribs of level perpendicular distribution, institute in end cap
State bearing part and be provided with plane flameproof surface with end cap junction, the end cap is distinguished with support junction, bearing part and shaft connection place
Provided with cylinder explosion suppresion surface.
4. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 3, it is characterised in that：
The bearing part is held by deep groove ball bearing and axis of a cylinder and constituted.
5. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, it is characterised in that：
The cage rotor includes rotor core, the rotor bar being fixed in rotor core groove and is fixed on rotor bar two ends use
In the rotor end ring of short circuit, the rotor core is formed using the silicon steel plate stacking of high magnetic conduction and mutually insulated, and the rotor is led
Strip adoption aluminum strip or copper bar.
6. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 5, it is characterised in that：
The current density of the cage rotor is not more than 2.0A/mm2, rotor end ring current density is not more than 1.1A/mm2, locked rotor current times
Number not higher than 5.5.
7. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, it is characterised in that：
Described to have wound stator iron core to include stator core and the stator coil being fixed in stator coring groove, the stator core is used
The silicon steel plate stacking of high magnetic conduction and mutually insulated is formed, and the stator coil is formed using variable frequency electromagnetic wire coiling.
8. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 7, it is characterised in that：
It is described to have wound stator steel core current density no more than 2.3A/mm2, locked-rotor torque multiple is not less than 1.2, and torque capacity multiple is not
Less than 2.5.
9. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, it is characterised in that：
The internal fan and external fan are bidirectional fan, the internal fan use radial direction centrifugal structure, external fan using benzvalene form from
Core structure.
10. coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous according to claim 1, its feature exists
In：Outgoing line device is provided with the support outer wall, the outgoing line device includes assistant junction box, the wiring being fixed on support
Box bearing and the main junction box for being fixed on terminal box carrier exterior, the company of the support and assistant junction box and terminal box bearing
The junction at the place of connecing, main junction box and terminal box bearing is respectively equipped with seam explosion suppresion surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497096.0A CN107040108A (en) | 2017-06-26 | 2017-06-26 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497096.0A CN107040108A (en) | 2017-06-26 | 2017-06-26 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107040108A true CN107040108A (en) | 2017-08-11 |
Family
ID=59541453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710497096.0A Pending CN107040108A (en) | 2017-06-26 | 2017-06-26 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107040108A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294327A (en) * | 2017-08-14 | 2017-10-24 | 江苏环球特种电机有限公司 | A kind of special Flame-Proof Three-Phase Induction Motors of colliery conveyer |
| CN108539888A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力系统有限公司 | A kind of permanent-magnetic synchronous motor rotor radiator structure |
| CN112134431A (en) * | 2020-09-07 | 2020-12-25 | 江瀛 | Three-phase asynchronous motor capable of improving locked rotor torque and reducing locked rotor current |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101867270A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Special high-voltage three-phase asynchronous motor for compressor |
| CN101958620A (en) * | 2010-10-28 | 2011-01-26 | 南阳防爆集团股份有限公司 | High-voltage explosion-proof type three-phase asynchronous motor |
| CN202190152U (en) * | 2011-08-18 | 2012-04-11 | 南阳防爆集团股份有限公司 | Explosion-proof motor rotor |
| US20140252895A1 (en) * | 2013-03-08 | 2014-09-11 | Regal Beloit America, Inc. | Radial blower air guide, system, and method of cooling |
| CN105006904A (en) * | 2015-08-11 | 2015-10-28 | 中达电机股份有限公司 | High efficiency compact type high voltage explosion-proof motor |
| CN205304462U (en) * | 2015-12-15 | 2016-06-08 | 卧龙电气南阳防爆集团股份有限公司 | Explosion -proof three -phase asynchronous motor of high heat dissipation type |
-
2017
- 2017-06-26 CN CN201710497096.0A patent/CN107040108A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867270A (en) * | 2009-04-20 | 2010-10-20 | 无锡市中达电机有限公司 | Special high-voltage three-phase asynchronous motor for compressor |
| CN101764485A (en) * | 2009-09-24 | 2010-06-30 | 无锡哈电电机有限公司 | medium-sized high-voltage three-phase asynchronous motor |
| CN101958620A (en) * | 2010-10-28 | 2011-01-26 | 南阳防爆集团股份有限公司 | High-voltage explosion-proof type three-phase asynchronous motor |
| CN202190152U (en) * | 2011-08-18 | 2012-04-11 | 南阳防爆集团股份有限公司 | Explosion-proof motor rotor |
| US20140252895A1 (en) * | 2013-03-08 | 2014-09-11 | Regal Beloit America, Inc. | Radial blower air guide, system, and method of cooling |
| CN105006904A (en) * | 2015-08-11 | 2015-10-28 | 中达电机股份有限公司 | High efficiency compact type high voltage explosion-proof motor |
| CN205304462U (en) * | 2015-12-15 | 2016-06-08 | 卧龙电气南阳防爆集团股份有限公司 | Explosion -proof three -phase asynchronous motor of high heat dissipation type |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294327A (en) * | 2017-08-14 | 2017-10-24 | 江苏环球特种电机有限公司 | A kind of special Flame-Proof Three-Phase Induction Motors of colliery conveyer |
| CN108539888A (en) * | 2018-03-30 | 2018-09-14 | 合肥巨动力系统有限公司 | A kind of permanent-magnetic synchronous motor rotor radiator structure |
| CN112134431A (en) * | 2020-09-07 | 2020-12-25 | 江瀛 | Three-phase asynchronous motor capable of improving locked rotor torque and reducing locked rotor current |
| CN113965019A (en) * | 2021-10-25 | 2022-01-21 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
| CN113965019B (en) * | 2021-10-25 | 2024-01-23 | 中车永济电机有限公司 | Rotor heat radiation structure of sealed motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107040108A (en) | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous | |
| CN107276313A (en) | High power density compact mine ventilator motor | |
| CN101162859A (en) | Double feed-through asynchronous wind power generator more than megawatt level | |
| CN108696054A (en) | A kind of Flame-Proof Three-Phase Induction Motors | |
| CN102130551A (en) | Dual-stator magnetic-suspension permanent magnet generator | |
| CN201918830U (en) | Variable-frequency motor with rear-end wire outlet structure for high-power locomotive | |
| US7633176B1 (en) | Direct drive induction electrical power generator | |
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN106787368B (en) | Driving device for water feed pump and water feed pump | |
| CN219659490U (en) | Unmanned aerial vehicle is with dustproof brushless motor of heat dissipation | |
| CN107947417A (en) | A kind of heat-dissipating structure of motor stator | |
| JPH08289505A (en) | Motor with built-in controller | |
| CN104682644A (en) | Variable frequency and adjustable speed asynchronous motor for marine drilling platform winch | |
| CN208433874U (en) | A kind of Flame-Proof Three-Phase Induction Motors | |
| CN108023452B (en) | High-voltage explosion-proof variable-frequency driving three-phase permanent magnet synchronous motor | |
| CN104836380A (en) | Alternating current induction motor | |
| CN201365159Y (en) | High-voltage flameproof variable-frequency speed-regulating threephase asynchronous motor | |
| CN108847761A (en) | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency | |
| CN107394942A (en) | A kind of high efficiency Flame-Proof Three-Phase Induction Motors | |
| CN103595166B (en) | A kind of low center height large-size machine | |
| CN110868019B (en) | Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor | |
| CN103023191A (en) | Flame-proof type natural cooling asynchronous motor | |
| CN208597014U (en) | A kind of Flame-Proof Three-Phase Induction Motors of high energy efficiency | |
| CN208337338U (en) | A kind of Double shaft-extension compact three-phase asynchronous motor | |
| CN207069761U (en) | High efficiency Flame-Proof Three-Phase Induction Motors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |