CN107070175A - A kind of adjustable speed motor for underground coal mine - Google Patents
A kind of adjustable speed motor for underground coal mine Download PDFInfo
- Publication number
- CN107070175A CN107070175A CN201710294139.5A CN201710294139A CN107070175A CN 107070175 A CN107070175 A CN 107070175A CN 201710294139 A CN201710294139 A CN 201710294139A CN 107070175 A CN107070175 A CN 107070175A
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- China
- Prior art keywords
- motor
- conductor
- rotor
- housing
- magnetic coupling
- 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
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 53
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000033228 biological regulation Effects 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 230000005526 G1 to G0 transition Effects 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A kind of adjustable speed motor for underground coal mine, including housing and it is respectively accommodated in the motor of the housing, drivetrain bevel gear set, hydraulic speed regulating device, magnetic coupling etc..The output speed of the motor is transferred to the magnetic coupling conductor rotor axle on motor output shaft direction by the drivetrain bevel gear set, the magnetic coupling is made up of conductor rotor and PM rotor, the hydraulic speed regulating device is the working clearance by changing magnetic coupling conductor rotor and PM rotor, and then changes the output speed of magnetic coupling.Magnetic coupling is axially axially vertical with motor in the present invention, thus its magnetic field influences smaller to motor；Due to using the integrated design of motor, gear train, magnetic coupling, arrangements for speed regulation, its structure is more compact, space-consuming is smaller, it is particularly axially smaller, it is easy to the arrangement of underground coal mine to use, simultaneously built-in sealed environment is in as the conductor rotor of main heating source, it is to avoid downhole safety hidden danger.
Description
Technical field
The present invention relates to a kind of power source with magnetic coupling, particularly a kind of adjustable speed electricity for underground coal mine
Machine.
Background technology
In recent years, the propulsion worked with modern mine construction, mine scale also progressively becomes big, and design production capacity is also corresponding
Improve, motor obtained more being widely applied in underground coal mine, dragged by them it is various adopt, dig, transporting, supporting, discharge
The normal operation of wetting system so that whole mine production system is able to normally run.And the source of damage 90% of downhole electrical motor with
On be due to that motor lacks overload protection and the overload of motor long-time, single-phase operation is caused heating in winding and is burnt, so as to lead
The stopping production of part or system is caused, heavy losses are caused to mine.
In order to solve the above technical problems, Publication No. CN203911722U Chinese utility model patent application discloses one
Mining magnetic coupler is planted, as power source and the magnetic connects equipment of load, with the function of being protected to motor overload.But slip
Its eddy-current loss can cause exposed conductor rotor temperature drastically to raise when larger, have certain safety hidden in underground coal mine
Suffer from；The axial magnetic field of its PM rotor can produce certain influence to motor operating state；And equipment needs certain axial direction
Installing space.
Therefore, design one kind occupy little space, compact conformation, when underground coal mine is used, potential safety hazard is small, and has
The underground coal mine buncher of overload protection, is the current technical issues that need to address of those skilled in the art.
The content of the invention
Occupied little space it is an object of the invention to provide one kind, compact conformation, when underground coal mine is used, potential safety hazard is small,
And the underground coal mine buncher with overload protection.
The purpose of the present invention can be realized by following technical solution：A kind of adjustable speed motor for underground coal mine, its
Including：Housing；And it is respectively accommodated in the motor of the housing, drivetrain bevel gear set, hydraulic speed regulating device, magnetic coupling
Deng the output speed of the motor is transferred to the magnetic coupling on motor output shaft direction by the drivetrain bevel gear set
Conductor rotor axle, the magnetic coupling is made up of conductor rotor and PM rotor, and the hydraulic speed regulating device is by changing magnetic
The working clearance of mechanical couple conductor rotor and PM rotor, and then change the output speed of magnetic coupling.
The conductor rotor is made up of conductor yoke disk, linking arm and conductor disc, and linking arm passes through with conductor yoke disk
Screw is fixed, and conductor disc is fixedly connected by screw with conductor yoke disk；The PM rotor is by even-even permanent magnet
And permanent magnet yoke disk is constituted, permanent magnet is uniformly fixed on permanent magnet yoke disk by being glued.
The housing is made up of two housing parts, and its interior output shaft, bearing block and Hydraulic Adjustable Speed of being provided with of the housing I is filled
Put, it is interior provided with motor, drivetrain bevel gear set, bearing block and magnetic coupling etc. for the housing II, and the housing I passes through
Screw is fixedly connected with housing II, and the housing II is fixedly connected with motor by screw.The lower end of the conductor rotor axle leads to
Cross ball bearing to position with casing, upper end is connected by screw with conductor rotor, and centre is supported provided with bearing block, the conductor
Armature spindle lower end ball bearing outer ring is interference fitted with housing, and inner ring is interference fitted with conductor rotor axle, and is positioned by the shaft shoulder, institute
State drivetrain bevel gear set to position by the shaft shoulder and snap ring with conductor rotor axle, paired ball bearing be provided with inside the bearing block,
Its outer ring and bearing block are interference fitted, and centre is provided with separation sleeve, and the bearing block is fixedly connected with the casing by screw, it is described forever
Magnet rotor axle is connected by bidirectional angular contact thrust ball bearing with hydraulic cylinder piston rod, the bidirectional angular contact thrust ball bearing
Positioned by the shaft shoulder and abutment sleeve, the hydraulic cylinder piston rod is fixed with bidirectional angular contact thrust ball bearing by holding screw
Relative position, the cylinder barrel of the hydraulic cylinder is fixed by enclosure interior extension, is positioned with holding screw, the output
Axle is supported provided with bearing block, and the output shaft is sealed by oil sealing.
The Barrel of Hydraulic Cylinders is the tubular structure of inner hollow, and PM rotor axle is extended there through.
Described output shaft the inner is provided with the chute being engaged with PM rotor axle, so that PM rotor axle can be relative
Moved axially in output shaft.
PM rotor axle can be moved axially by hydraulic cylinder and hydraulic controller driving, so as to change permanent magnet
Size of gaps between conductor.
According to the present invention, because magnetic coupling is axially axially vertical with motor, thus its magnetic field influences smaller to motor；
Because using the integrated design of motor, gear train, magnetic coupling, arrangements for speed regulation, its more compact structure, space-consuming are more
It is small, it is particularly axially smaller, it is easy to the arrangement of underground coal mine to use, while being in as the conductor rotor of main heating source interior
Put sealed environment, it is to avoid downhole safety hidden danger.
Brief description of the drawings
Fig. 1 is a kind of structural representation of adjustable speed motor for underground coal mine；
Fig. 2 is the front view of p-m rotor；
Fig. 3 is hydraulic speed regulating device enlarged drawing in Fig. 1；
Wherein：1. motor；2. conductor rotor axle；3. conductor yoke disk；4. linking arm；5. conductor disc；6. permanent magnet；7. forever
Magnet yoke disk；8. housing I；9. output shaft；10. bearing block；11. housing II；12. ball bearing；13. snap ring；14. separation sleeve；
15. PM rotor axle；16. bidirectional angular contact thrust ball bearing；17. hydraulic cylinder piston rod；18. abutment sleeve；19. clamp screw
Nail；20. Barrel of Hydraulic Cylinders；21. oil sealing.
Embodiment
In Fig. 1, a kind of adjustable speed motor for underground coal mine includes housing；And it is respectively accommodated in the electricity of the housing
Machine 1, drivetrain bevel gear set, hydraulic speed regulating device, magnetic coupling etc..The drivetrain bevel gear set turns the output of the motor
Speed is transferred to the magnetic coupling conductor rotor axle 2 on motor output shaft direction, and the magnetic coupling is by conductor rotor
With PM rotor composition, the hydraulic speed regulating device is the work by changing magnetic coupling conductor rotor and PM rotor
Gap, and then change the output speed of magnetic coupling.
The housing is made up of two housing parts, and its interior output shaft 9, bearing block 10 and the Hydraulic Adjustable Speed of being provided with of housing I 8 is filled
Put, the housing II 11 is in it provided with motor 1, drivetrain bevel gear set, bearing block 10 and magnetic coupling etc.；Housing I 8 with
Housing II 11 is fixedly connected by screw, and housing II 11 is fixedly connected with motor 1 by screw；
The lower end of the conductor rotor axle 2 is positioned by ball bearing 12 and casing, and upper end is connected by screw with conductor rotor 2
Connect, centre is supported provided with bearing block 10；The outer ring of ball bearing 12 is interference fitted with housing, inner ring and the interference of conductor rotor axle 2
Coordinate, and positioned by the shaft shoulder；Drivetrain bevel gear set is positioned with conductor rotor axle 2 by the shaft shoulder and snap ring 13；Bearing block 10
Interior to be provided with paired ball bearing, its outer ring is interference fitted with bearing block (10), and centre is provided with separation sleeve 14, and bearing block 10 passes through screw
It is fixedly connected with the casing；
Magnetic coupling conductor rotor is made up of conductor yoke disk 3, linking arm 4 and conductor disc 5, linking arm 4 and conductor
Yoke disk 3 is fixed by screw, and conductor disc 5 is fixedly connected by screw with conductor yoke disk (3)；
In fig. 2, the PM rotor is made up of even-even permanent magnet 6 and permanent magnet yoke disk 7, and permanent magnet 6 presses N
Pole, S poles even number are respectively uniformly fixed on permanent magnet yoke disk 7 by being glued；The material of permanent magnet 6 is with high performance rare earth
Based on Ru-Fe-Mn in alloy, permanent magnet yoke disk 7 is with aluminium, based on the non-magnetizable material such as austenitic stainless steel；
In figure 3, bidirectional angular contact thrust ball bearing 16, bidirectional propulsion corner connection are installed on the PM rotor axle 15
Ball bearing 16 is touched to position by the shaft shoulder and abutment sleeve 18；Bidirectional angular contact thrust ball bearing 16 passes through holding screw 19 and hydraulic pressure
Cylinder piston rod 17 is connected；Barrel of Hydraulic Cylinders 20 is fixed by enclosure interior extension, is positioned with holding screw (19)；
Hydraulic controller part driving hydraulic cylinder, PM rotor axle 15 is driven by bidirectional angular contact thrust ball bearing 16
Move axially, so as to change the size of gaps between conductor rotor and PM rotor, realize the regulation of output speed；It is defeated
Shaft 9 is inner provided with the chute being engaged with PM rotor axle 15, PM rotor axle 15 is carried out relative to output shaft 9
Axial movement, output shaft 9 is transferred to by obtained output speed by PM rotor axle 15.
Claims (4)
1. a kind of adjustable speed motor for underground coal mine, it includes：
Housing；And it is respectively accommodated in motor (1), drivetrain bevel gear set, hydraulic speed regulating device, the magnetic coupling of the housing
Deng,
The output speed of the motor is transferred to the magnetic couple on motor output shaft direction by the drivetrain bevel gear set
Device conductor rotor axle (2),
The magnetic coupling is made up of conductor rotor and PM rotor,
The hydraulic speed regulating device is the working clearance by changing magnetic coupling conductor rotor and PM rotor, and then is changed
The output speed of magnetic coupling,
Characterized in that,
The conductor rotor is made up of conductor yoke disk (3), linking arm (4) and conductor disc (5), linking arm (4) and conductor yoke
Iron pan (3) is fixed by screw, and conductor disc (5) is fixedly connected by screw with conductor yoke disk (3),
The PM rotor is made up of even-even permanent magnet (6) and permanent magnet yoke disk (7), and permanent magnet (6) is by being glued
Uniformly it is fixed on permanent magnet yoke disk (7),
The housing is made up of two housing parts, and the housing I (8) is provided with output shaft (9), bearing block (10) and hydraulic pressure in it
Arrangements for speed regulation, the housing II (11) is provided with motor (1), drivetrain bevel gear set, bearing block (10) and magnetic couple in it
Device etc.,
The housing I (8) is fixedly connected by screw with housing II (11), and the housing II (11) passes through screw with motor (1)
It is fixedly connected,
The lower end of the conductor rotor axle (2) is positioned by ball bearing (12) and casing, and upper end passes through screw and conductor rotor (2)
Connection, centre is supported provided with bearing block (10),
Conductor rotor axle (2) lower end ball bearing (12) outer ring is interference fitted with housing, inner ring and conductor rotor axle (2) interference
Coordinate, and positioned by the shaft shoulder, the drivetrain bevel gear set is positioned with conductor rotor axle (2) by the shaft shoulder and snap ring (13),
Paired ball bearing is provided with inside the bearing block (10), its outer ring is interference fitted with bearing block (10), and centre is provided with isolation
Cover (14), the bearing block (10) is fixedly connected with the casing by screw,
The PM rotor axle (15) is connected by bidirectional angular contact thrust ball bearing (16) with hydraulic cylinder piston rod (17), institute
Bidirectional angular contact thrust ball bearing (16) is stated to position by the shaft shoulder and abutment sleeve (18),
The hydraulic cylinder piston rod (17) is aligned with bidirectional angular contact thrust ball bearing (16) by holding screw (19) stationary phase
Put,
The Barrel of Hydraulic Cylinders (20) is fixed by enclosure interior extension, is positioned with holding screw (19),
The output shaft (9) is supported provided with bearing block (10),
The output shaft (9) is sealed by oil sealing (21).
2. a kind of adjustable speed motor for underground coal mine according to claim 1, it is characterised in that
The Barrel of Hydraulic Cylinders (20) is the tubular structure of inner hollow, and PM rotor axle (15) is extended there through.
3. a kind of adjustable speed motor for underground coal mine according to claim 1, it is characterised in that
Described output shaft (9) the inner is provided with the chute being engaged with PM rotor axle (15), so that PM rotor axle
(15) it can be moved axially relative to output shaft (9).
4. a kind of adjustable speed motor for underground coal mine according to claim 1, it is characterised in that
PM rotor axle (15) can be moved axially by hydraulic cylinder and hydraulic controller driving, so as to change permanent magnet
Size of gaps between conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294139.5A CN107070175A (en) | 2017-04-28 | 2017-04-28 | A kind of adjustable speed motor for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294139.5A CN107070175A (en) | 2017-04-28 | 2017-04-28 | A kind of adjustable speed motor for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107070175A true CN107070175A (en) | 2017-08-18 |
Family
ID=59605147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294139.5A Pending CN107070175A (en) | 2017-04-28 | 2017-04-28 | A kind of adjustable speed motor for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107070175A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912423A (en) * | 2006-08-25 | 2007-02-14 | 李本平 | Electromechanical liquid mixed soft start stepless speed regulating drive device |
| CN201541174U (en) * | 2009-09-04 | 2010-08-04 | 浙江赛发迪电动工具有限公司 | Electric chain saw motor with speed change gear |
| CN202040294U (en) * | 2011-05-06 | 2011-11-16 | 安徽省紫光照明科技有限公司 | Mining speed regulation device |
| CN202578680U (en) * | 2012-04-12 | 2012-12-05 | 三一重型装备有限公司 | Coal cutter rocker and coal cutter |
| CN203078306U (en) * | 2013-02-08 | 2013-07-24 | 重庆动霸机械制造有限公司 | Rear axle drive reduction gear of electric car |
| CN203339929U (en) * | 2013-03-06 | 2013-12-11 | 大连液力机械有限公司 | Hydraulic push rod speed adjustment mechanism for magnetic force coupler |
| CN204886607U (en) * | 2015-07-28 | 2015-12-16 | 中国矿业大学 | Mining automatic speed adjustment magnetic coupling ware |
| CN105634243A (en) * | 2015-07-08 | 2016-06-01 | 安徽沃弗电力科技有限公司 | Liquid-cooling type permanent magnet speed controller |
| CN105958791A (en) * | 2016-06-28 | 2016-09-21 | 江苏大学 | Magnet radial movement adjustable-speed magnetic coupler |
-
2017
- 2017-04-28 CN CN201710294139.5A patent/CN107070175A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912423A (en) * | 2006-08-25 | 2007-02-14 | 李本平 | Electromechanical liquid mixed soft start stepless speed regulating drive device |
| CN201541174U (en) * | 2009-09-04 | 2010-08-04 | 浙江赛发迪电动工具有限公司 | Electric chain saw motor with speed change gear |
| CN202040294U (en) * | 2011-05-06 | 2011-11-16 | 安徽省紫光照明科技有限公司 | Mining speed regulation device |
| CN202578680U (en) * | 2012-04-12 | 2012-12-05 | 三一重型装备有限公司 | Coal cutter rocker and coal cutter |
| CN203078306U (en) * | 2013-02-08 | 2013-07-24 | 重庆动霸机械制造有限公司 | Rear axle drive reduction gear of electric car |
| CN203339929U (en) * | 2013-03-06 | 2013-12-11 | 大连液力机械有限公司 | Hydraulic push rod speed adjustment mechanism for magnetic force coupler |
| CN105634243A (en) * | 2015-07-08 | 2016-06-01 | 安徽沃弗电力科技有限公司 | Liquid-cooling type permanent magnet speed controller |
| CN204886607U (en) * | 2015-07-28 | 2015-12-16 | 中国矿业大学 | Mining automatic speed adjustment magnetic coupling ware |
| CN105958791A (en) * | 2016-06-28 | 2016-09-21 | 江苏大学 | Magnet radial movement adjustable-speed magnetic coupler |
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| 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |