CN110277873A - Explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine and assemble method - Google Patents
Explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine and assemble method Download PDFInfo
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- CN110277873A CN110277873A CN201910587454.6A CN201910587454A CN110277873A CN 110277873 A CN110277873 A CN 110277873A CN 201910587454 A CN201910587454 A CN 201910587454A CN 110277873 A CN110277873 A CN 110277873A
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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
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- 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
-
- 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
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The present invention relates to a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machines and assemble method, belong to explosion-proof type magneto technical field.Technical solution is: planetary reduction gear (15) is arranged on retarder pedestal (16), reducer input shaft (10) is equipped with spline (12), it is connect between armature spindle (1) end of bearing (11) outside and reducer input shaft (10) by spline, reducer input shaft is concentric with armature spindle, is equipped with cavity separate space (9) in drive end bearing bracket (8) and retarder pedestal (16) junction；Magneto and planetary reduction gear are linked together structure.Beneficial effects of the present invention: motor front end cover and retarder pedestal junction are equipped with cavity separate space, meet mine motor standard, while improving the working efficiency of the operations such as reprinting, promotion, transport.
Description
Technical field
The present invention relates to a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machines and assemble method, belong to explosion-proof type
Magneto technical field.
Background technique
Currently, traditional kind of drive is motor-shaft coupling (or fluid coupling)-in industrial electrical dragging system
Retarder-roller etc..This exemplary apparatus configuration, is widely applied, especially high-power system, still using biography
System mode, this gives live operation and maintenance to bring many problems.Such as: transmission efficiency is lower, and operation and maintenance amount is big, cost
Height, space needed for equipment is arranged is big, and preliminary engineering investment is big etc..It is driven as decelerating through motor, structure is by motor, slows down
The components such as device are applied in the power output conversion of the equipment such as belt conveyer and Lifting Convey, in harbour, mine, metallurgy, change
The industries such as work, coal, building materials, electric power, grain and communications and transportation, are widely applied.But in application range and using upper
There are the following problems: (1) currently, built-in type motorized roller, usually middle low power low-voltage 90kW are hereinafter, application structure optimizes
The product of efficient high power transmission does not have substantially；(2) motor, retarder embedding structure, have oil cold and oil immersion structural maintenance is stranded
The high problem of difficult (Leakage etc.), maintenance cost；(3) traditional kind of drive structure, there are still the lower problems of efficiency, such as
Conventional belt machine and belt system transmission efficiency are generally 70% or so.In view of the presence of the above problem, traditional transmission system
In, especially middle low power transmission system in the prevalence of high energy consumption, poor efficiency, it is difficult in maintenance, at high cost the problems such as.
According to country to industry energy conservation environmental requirement, energy conservation and environmental protection technical equipment is promoted the use of, is the direction of Future Development.
With the fast development of power electronic technique, computer technology, New-type electric machine control theory and rare earth permanent-magnetic material, permanent-magnet synchronous
(or switched reluctance machines) motor is rapidly promoted and applied.Permanent magnet low-speed large torque high-power explosion-proof electromechanics slows down integrally
The production of machine has technical conditions.Application No. is the Chinese utility model patents of 201520581361.X, disclose a kind of half
Direct-drive permanent-magnetism motor power assembly；Decelerator shell is connect common with axle stretch end end cap with low-speed permanent-magnet motor case in the structure
The reducer gear oil chamber of composition, still, this structure design are not independently of each other, not to be able to satisfy mining equipment coal peace and want
It asks, it is impossible to be used in coal mine operation environment.It is therefore desirable to need electromechanical integrated product not only high-efficient and it is necessary to full
Sufficient mining equipment working environment at coal mines use demand and explosion-proof performance requirement, meet mine motor standard.
Summary of the invention
It is an object of the present invention to provide a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine and assemble method, motors
Drive end bearing bracket and retarder pedestal junction are equipped with cavity separate space, meet mine motor standard, at the same improve reprinting, promotion,
The working efficiency of the operations such as transport, solves the problems, such as background technique.
The technical scheme is that
A kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine include casing, armature spindle, output shaft, permanent-magnet stator iron
Core, stator winding, rotor core, magnet steel and planetary reduction gear；The drive end bearing bracket of casing is equipped with bearing, and armature spindle is arranged in bearing
On；Permanent-magnet stator iron core is equipped in casing, permanent-magnet stator iron core is equipped with stator winding, and armature spindle is equipped with rotor core, turns
Sub- iron core is equipped with magnet steel；Planetary reduction gear is arranged on retarder pedestal, and reducer input shaft is equipped with spline, outside bearing
Armature spindle end and reducer input shaft between by spline connect, reducer input shaft is concentric with armature spindle, in front end
Lid is equipped with cavity separate space with retarder pedestal junction；The planetary reduction gear is arranged in end cap, and one end of end cap is set
There is the output shaft of planetary reduction gear, the other end and the drive end bearing bracket of end cap are bolted, and end cap, drive end bearing bracket and casing are linked as one
Body structure；The explosion-proof performance that motor is realized by the cavity separate space between drive end bearing bracket and retarder pedestal, is meeting mine
Under the premise of being required with equipment working environment at coal mines use demand and explosion-proof performance, the defeated of the conversion and power for transmitting speed ratio is realized
Out.
The end cap extends downwardly after being bolted with drive end bearing bracket, the chamber between drive end bearing bracket and retarder pedestal
Body separate space.
The rotor shaft tail end is equipped with external disk brake lock.
Anti-explosion permanent magnet motor rotor shaft is output to planetary reduction gear by the present invention, i.e. high-speed motor exports axis connection level-one
Planetary reduction gear input terminal is connect by spline with reducer input shaft, the sun being then sequentially connected in planetary reduction gear
Wheel, planetary gear and gear ring are transmitted to output shaft after deceleration, form the high-power large torque electromechanical integrated device of low speed.
Temperature-sensing element is installed respectively in the stator winding and casing.
Vibration-sensing element is installed inside the armature spindle.
The shell is equipped with wiring terminal box, and wiring terminal box is equipped with insulation sleeve fixed structure, is used for power supply line and survey
Amount line enters enclosure interior.
The present invention be suitble to voltage class 660V 1140V 6kV 10kV.The present invention uses permasyn morot principle work
Make.
The casing is equipped with natural heat dissipation piece, and the water forcing functions system of inner-outer circulation is equipped in casing, is set on casing
There are cooling water inlet and cooling water outlet；The wiring terminal box be equipped with anti-explosion terminal box shell, anti-explosion terminal box shell with it is cold
But the spacing of water inlet and cooling water outlet is in 300-350mm, anti-explosion terminal box shell and cooling water inlet and cooling water outlet
Between be equipped with water bar.
The assemble method of a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine, comprises the following steps:
1. the drive end bearing bracket of casing is equipped with bearing, armature spindle is arranged on bearing；Permanent-magnet stator iron core is equipped in casing, permanent magnetism is fixed
Sub- iron core is equipped with stator winding, and armature spindle is equipped with rotor core, and rotor core is equipped with magnet steel, is assembled into magneto；
2. planetary reduction gear is arranged on retarder pedestal, reducer input shaft is equipped with spline, the rotor shaft end outside bearing
It is connected between portion and reducer input shaft by spline, reducer input shaft is concentric with armature spindle, in drive end bearing bracket and retarder
Pedestal junction is equipped with cavity separate space；Magneto and planetary reduction gear are linked together structure；
3. the both ends of the surface of drive end bearing bracket are processed into the explosion-proof face of electrical explosion proof standard, the end cap end face being respectively cooperating with drive end bearing bracket two sides
The explosion-proof face of electrical explosion proof standard is also processed into casing end face；End cap, drive end bearing bracket and casing are linked together structure, planetary reduction gear
Device and magneto cooperatively form explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine.
Temperature-sensing element is installed respectively in the stator winding and casing；Installing vibration-sensing member inside armature spindle
Part；The shell be equipped with wiring terminal box, wiring terminal box be equipped with insulation sleeve fixed structure, for power supply line and measurement line into
Enter enclosure interior；Casing is equipped with natural heat dissipation piece, and the water forcing functions system of inner-outer circulation is equipped in casing.
The water forcing functions system is equipped with fluid pressure detection and fluid flow detection, and the main control with magneto
Realize electric blocking in circuit.
Beneficial effects of the present invention: having low-speed big high-power, can be applied to underground coal mine and has explosion gas
Dangerous chemical company, it is also possible in general other industries.Especially for large-scale belt feeder and conveyor applications place, substitution
Conventional electrical transmission, is a revolution in Electrified Transmission field, has belt feeder, conveyer, scrapper conveyor, elevating conveyor etc. efficient
Rate, low-speed big, powerful feature, with after frequency converter, speed is adjustable from zero to maximum.The present invention is big by low-speed big
Power explosion-proof permanent magnetic motor and planetary reduction gear are combined into one the all-in-one machine transmission system of composition, are a kind of electromechanical integration productions
Product have the effect that a. all-in-one machine transmission system, the transmission constituted instead of conventional motors, retarder, fluid coupling
System, equipment arrangement save big quantity space, save initial investment；B. the operation and maintenance amount of live electromechanical equipment is greatly reduced,
Save manpower, service material；Failure rate is low, and production accident is reduced；C. compared with legacy system, efficiency be can be improved to 96%；d.
Due to not having conventional high rate motor and gearbox etc., noise is greatly reduced, more environmentally friendly；E. to tilt angle transmission system, electricity rolling
Cylinder can facilitate installation disc brake, keep system safer.
Detailed description of the invention
Fig. 1 is the structure structure chart of the embodiment of the present invention；
Fig. 2 is the three-dimensional assembling schematic diagram of the embodiment of the present invention；
Fig. 3 is present invention assembling top view；
In figure: armature spindle 1, output shaft 2, permanent-magnet stator iron core 3, stator winding 4, rotor core 5, magnet steel 6, end cap 7, drive end bearing bracket
8, cavity separate space 9, reducer input shaft 10, bearing 11, spline 12, casing 13, wiring terminal box 14, planetary reduction gear
15, retarder pedestal 16, bolt 17.
Specific embodiment
Below in conjunction with attached drawing, by example, the invention will be further described.
A kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine include casing 13, armature spindle 1, output shaft 2, forever
Magnetic stator core 3, stator winding 4, rotor core 5, magnet steel 6 and planetary reduction gear 15；The drive end bearing bracket 8 of casing 13 is equipped with bearing
11, armature spindle 1 is arranged on bearing 11；Be equipped with permanent-magnet stator iron core 3 in casing 13, permanent-magnet stator iron core 3 be equipped with stator around
Group 4, armature spindle 1 are equipped with rotor core 5, and rotor core 5 is equipped with magnet steel 6；Planetary reduction gear 15 is arranged in retarder pedestal
On 16, reducer input shaft 10 is equipped with spline 12, leads between 1 end of armature spindle and reducer input shaft 10 outside bearing 11
Spline connection is crossed, reducer input shaft is concentric with armature spindle, only equipped with cavity with 16 junction of retarder pedestal in drive end bearing bracket 8
Vertical space 9；The planetary reduction gear 15 is arranged in end cap 7, and one end of end cap 7 is equipped with the output shaft 2 of planetary reduction gear 15, end
The other end of lid 7 is connect with drive end bearing bracket 8 by bolt 17, and end cap 7, drive end bearing bracket 8 and casing 13 are linked together structure；By front end
It covers the cavity separate space between retarder pedestal and realizes the explosion-proof performance of motor, meeting mining equipment underground work ring
Under the premise of border use demand and explosion-proof performance require, the conversion of transmission speed ratio and the output of power are realized.
The end cap 7 extends downwardly after being connect with drive end bearing bracket 8 by bolt 17, into drive end bearing bracket 8 and retarder pedestal 16
Between cavity separate space 9.
1 tail end of armature spindle is equipped with external disk brake lock.
Anti-explosion permanent magnet motor rotor shaft is output to planetary reduction gear by the present invention, i.e. high-speed motor exports axis connection level-one
Planetary reduction gear input terminal is connect by spline with reducer input shaft, the sun being then sequentially connected in planetary reduction gear
Wheel, planetary gear and gear ring are transmitted to output shaft after deceleration, form the high-power large torque electromechanical integrated device of low speed.
Temperature-sensing element is installed respectively in the stator winding 4 and casing.
Vibration-sensing element is installed inside the armature spindle.
The shell is equipped with wiring terminal box 14, and wiring terminal box 14 is equipped with insulation sleeve fixed structure, is used for power supply line
Enter enclosure interior with measurement line.
The casing 13 is equipped with natural heat dissipation piece, and the water forcing functions system of inner-outer circulation is equipped in casing.
The present invention is worked using permasyn morot principle.
The assemble method of a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine, comprises the following steps:
1. the drive end bearing bracket 8 of casing 13 is equipped with bearing 11, armature spindle 1 is arranged on bearing 11；Permanent-magnet stator is equipped in casing 13
Iron core 3, permanent-magnet stator iron core 3 are equipped with stator winding 4, and armature spindle 1 is equipped with rotor core 5, and rotor core 5 is equipped with magnet steel
6, it is assembled into magneto；
2. planetary reduction gear 15 is arranged on retarder pedestal 16, reducer input shaft 10 is equipped with spline 12, outside bearing 11
1 end of armature spindle and reducer input shaft 10 between by spline connect, reducer input shaft is concentric with armature spindle, preceding
End cap 8 and 16 junction of retarder pedestal are equipped with cavity separate space 9；Magneto and planetary reduction gear are linked together structure；
3. the both ends of the surface of drive end bearing bracket 8 are processed into the explosion-proof face of electrical explosion proof standard, the end cap 7 being respectively cooperating with 8 two sides of drive end bearing bracket
The explosion-proof face of electrical explosion proof standard is also processed into end face and 13 end face of casing；End cap 7, drive end bearing bracket 8 and casing 13 are linked together knot
Structure, planetary reduction gear and magneto cooperatively form explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine.
Temperature-sensing element is installed respectively in the stator winding 4 and casing；Installing vibration-sensing member inside armature spindle
Part；The shell is equipped with wiring terminal box 14, and wiring terminal box 14 is equipped with insulation sleeve fixed structure, is used for power supply line and measurement
Line enters enclosure interior；Power supply line and monitoring line pass through wiring terminal box 14 respectively and connect.
The casing 13 is equipped with natural heat dissipation piece, and the water forcing functions system of inner-outer circulation is equipped in casing；The water
Forcing functions system: casing is equipped with cooling water inlet and cooling water outlet, is equipped with cooling water connector, cooling water in stator core
In interface distribution insertion stator core, in forcing functions water is formed in stator core by the cooling water connector in magneto
Portion's series circulation is cooling.The wiring terminal box 14 is equipped with anti-explosion terminal box shell, anti-explosion terminal box shell and cooling water inlet
It is equipped between 300-350mm, anti-explosion terminal box shell and cooling water inlet and cooling water outlet with the spacing of cooling water outlet
Water bar.
The water forcing functions system is equipped with fluid pressure detection and fluid flow detection, and the main control with magneto
Realize electric blocking in circuit.
For the present invention compared with conventional motors drive mechanism, motor and primary planet deceleration optimize structure significantly, small in size,
It is light-weight, and realize the combination of electromechanical integration.It can be widely applied to mine, harbour, cement, metallurgy, chemical industry etc. and other
Industrial site.The present invention combines planetary reduction gear and magneto (or switched reluctance machines) together, this unique structure
Greatly optimize and meets industry spot requirement.Industry is greatly improved using permanent magnet synchronous motor technology and converter technique
The working efficiency of operation is such as reprinted, promoted, being transported in place.It is combined together the biography formed by planetary reduction gear and magneto
For dynamic system compared with the transmission system that common conventional asynchronous forms, advantage is as follows: slowing down instead of conventional motors, tradition
Device, fluid coupling etc. increase motor radial size, reduce longitudinal occupied space, and equipment arrangement saves a large amount of skies
Between, reduce the civil engineering of Equipment Foundations, to mine down-hole place, reduces roadway engineering, save engineering initial investment；Just
Pedestrian and transport in narrow spaces such as tunnels；The operation and maintenance amount of live electromechanical equipment is greatly reduced, system maintenance letter
It is single, manpower, service material are saved, system failure rate is low, and production accident is reduced；It is non-maintaining or easy to maintain；Permanent magnet variable-frequency speed regulating and
The synthesis kind of drive that mechanical speed governors combine, realizes high efficiency transmission, and transmission efficiency reduces power consumption up to 96%；Collection
At cooling system internal series-connection circulating cooling, greatly reduce overall volume；Expansible disk brake lock or lock on high speed shaft
Wheel, greatly reduces processing and manufacturing cost.
Claims (6)
1. a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that: include casing (13), armature spindle
(1), output shaft (2), permanent-magnet stator iron core (3), stator winding (4), rotor core (5), magnet steel (6) and planetary reduction gear
(15)；The drive end bearing bracket (8) of casing (13) is equipped with bearing (11), and armature spindle (1) is arranged on bearing (11)；It is set in casing (13)
Have permanent-magnet stator iron core (3), permanent-magnet stator iron core (3) is equipped with stator winding (4), and armature spindle (1) is equipped with rotor core
(5), rotor core (5) is equipped with magnet steel (6)；Planetary reduction gear (15) is arranged on retarder pedestal (16), retarder input
Axis (10) is equipped with spline (12), passes through flower between outer armature spindle (1) end of bearing (11) and reducer input shaft (10)
Key connection, reducer input shaft is concentric with armature spindle, only equipped with cavity with retarder pedestal (16) junction in drive end bearing bracket (8)
Vertical space (9)；In end cap (7), one end of end cap (7) is equipped with planetary reduction gear (15) for planetary reduction gear (15) setting
The other end of output shaft (2), end cap (7) is connect with drive end bearing bracket (8) by bolt (17), end cap (7), drive end bearing bracket (8) and casing
(13) it is linked together structure；The explosion-proof of motor is realized by the cavity separate space between drive end bearing bracket and retarder pedestal
Can, under the premise of meeting mining equipment working environment at coal mines use demand and explosion-proof performance requires, realize turning for transmission speed ratio
Change the output with power.
2. explosion-proof combined permanent-magnet according to claim 1 or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that: the end
Lid (7) extends downwardly after being connect with drive end bearing bracket (8) by bolt (17), between drive end bearing bracket (8) and retarder pedestal (16)
Cavity separate space (9).
3. explosion-proof combined permanent-magnet according to claim 1 or 2 or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that: institute
Armature spindle (1) tail end is stated equipped with external disk brake lock.
4. explosion-proof combined permanent-magnet according to claim 1 or 2 or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that: institute
It states in stator winding (4) and casing and installs temperature-sensing element respectively；Vibration-sensing element is installed inside the armature spindle；It is described
Shell is equipped with wiring terminal box (14), and wiring terminal box (14) is equipped with insulation sleeve fixed structure.
5. explosion-proof combined permanent-magnet according to claim 1 or 2 or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that: institute
Casing (13) are stated equipped with natural heat dissipation piece, the interior water forcing functions system for being equipped with inner-outer circulation of casing.
6. the assemble method of a kind of explosion-proof combined permanent-magnet or switching magnetic-resistance electromechanics all-in-one machine, it is characterised in that include following step
It is rapid:
1. the drive end bearing bracket (8) of casing (13) is equipped with bearing (11), armature spindle (1) is arranged on bearing (11)；In casing (13)
Equipped with permanent-magnet stator iron core (3), permanent-magnet stator iron core (3) is equipped with stator winding (4), and armature spindle (1) is equipped with rotor core
(5), rotor core (5) is equipped with magnet steel (6), is assembled into magneto；
2. planetary reduction gear (15) is arranged on retarder pedestal (16), reducer input shaft (10) is equipped with spline (12),
Connect between armature spindle (1) end of bearing (11) outside and reducer input shaft (10) by spline, reducer input shaft with turn
Sub- axis is concentric, is equipped with cavity separate space (9) in drive end bearing bracket (8) and retarder pedestal (16) junction；Magneto and row
Star retarder is linked together structure；
3. the both ends of the surface of drive end bearing bracket (8) are processed into the explosion-proof face of electrical explosion proof standard, the end being respectively cooperating with drive end bearing bracket (8) two sides
The explosion-proof face of electrical explosion proof standard is also processed into lid (7) end face and casing (13) end face；End cap (7), drive end bearing bracket (8) and casing
(13) it is linked together structure, planetary reduction gear and magneto cooperatively form explosion-proof combined permanent-magnet or the electromechanical one of switching magnetic-resistance
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587454.6A CN110277873B (en) | 2019-07-02 | 2019-07-02 | Explosion-proof combined permanent magnet electromechanical all-in-one machine and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910587454.6A CN110277873B (en) | 2019-07-02 | 2019-07-02 | Explosion-proof combined permanent magnet electromechanical all-in-one machine and assembling method |
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| Publication Number | Publication Date |
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| CN110277873A true CN110277873A (en) | 2019-09-24 |
| CN110277873B CN110277873B (en) | 2021-04-30 |
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ID=67963889
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2431211A1 (en) * | 1978-07-11 | 1980-02-08 | Baugier Jean Pierre | Protection system for motor in explosive atmosphere - has two half-sheathings complying with safety requirements and ignition-confining laminae with ventilation passages |
| CN102361383A (en) * | 2011-10-31 | 2012-02-22 | 南阳防爆集团股份有限公司 | Explosion-proof type ultrahigh-efficiency cast copper rotor three-phase asynchronous motor |
| CN202183684U (en) * | 2011-08-11 | 2012-04-04 | 南阳防爆集团股份有限公司 | Explosion-proof three-phase asynchronous motor integrated with speed reducer |
| CN207884390U (en) * | 2018-02-10 | 2018-09-18 | 深圳市安托山特种机械有限公司 | The Assembled rotary flame proof box of double brushless, permanently synchronous generator excitation equipments |
| CN109889011A (en) * | 2019-04-09 | 2019-06-14 | 菏泽学院 | A kind of machine shaft revolution speed control system with safety alarm |
-
2019
- 2019-07-02 CN CN201910587454.6A patent/CN110277873B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2431211A1 (en) * | 1978-07-11 | 1980-02-08 | Baugier Jean Pierre | Protection system for motor in explosive atmosphere - has two half-sheathings complying with safety requirements and ignition-confining laminae with ventilation passages |
| CN202183684U (en) * | 2011-08-11 | 2012-04-04 | 南阳防爆集团股份有限公司 | Explosion-proof three-phase asynchronous motor integrated with speed reducer |
| CN102361383A (en) * | 2011-10-31 | 2012-02-22 | 南阳防爆集团股份有限公司 | Explosion-proof type ultrahigh-efficiency cast copper rotor three-phase asynchronous motor |
| CN207884390U (en) * | 2018-02-10 | 2018-09-18 | 深圳市安托山特种机械有限公司 | The Assembled rotary flame proof box of double brushless, permanently synchronous generator excitation equipments |
| CN109889011A (en) * | 2019-04-09 | 2019-06-14 | 菏泽学院 | A kind of machine shaft revolution speed control system with safety alarm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110277873B (en) | 2021-04-30 |
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