CN111924684A - Outer rotor gearless forced driving traction machine and production method thereof - Google Patents
Outer rotor gearless forced driving traction machine and production method thereof Download PDFInfo
- Publication number
- CN111924684A CN111924684A CN202010577176.9A CN202010577176A CN111924684A CN 111924684 A CN111924684 A CN 111924684A CN 202010577176 A CN202010577176 A CN 202010577176A CN 111924684 A CN111924684 A CN 111924684A
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- China
- Prior art keywords
- roller
- traction machine
- stator
- outer rotor
- end cover
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 31
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an outer rotor gearless forced driving traction machine and a production method thereof. The motor is powered by a frequency converter and then drives the roller to rotate, the surface of the roller is provided with a rope threading hole, a steel wire rope is fixed through a pressing plate, and the roller rotates to pull the elevator car to move up and down; the outer rotor gearless forced driving traction machine adopts a permanent magnet synchronous outer rotor structure, the roller and the rotor are integrated, and the external rotor gearless forced driving traction machine has the advantages of no reduction gearbox, small volume, low cost, high efficiency, lower energy consumption, elevator shaft space saving, convenience in layout, low noise, no maintenance and maintenance cost saving.
Description
Technical Field
The invention relates to the technical field of traction machines, in particular to an outer rotor gearless forced driving traction machine and a production method thereof.
Background
Along with the development of science and technology, people also are more and more high to the requirement of elevator, and traditional hauler, including motor and reducing gear box, it is bulky, with high costs, it is inefficient, the energy consumption is higher, it is great to occupy elevator well space, the overall arrangement is inconvenient, and the noise is also big, needs the periodic replacement gear oil, maintains comparatively complicacy, and the manpower and material resources cost that consumes is also high.
Disclosure of Invention
The invention aims to provide an outer rotor gearless forced driving traction machine and a production method thereof.
In order to solve the technical problem, the invention provides an outer rotor gearless forced driving traction machine which comprises a stator shaft, a stator arranged on the stator shaft, a roller rotationally connected with the stator shaft, 32 pieces of magnetic steel circumferentially arranged on the inner wall of the roller, a first end cover connected with one end of the stator through a first bearing, a second end cover connected with the other end of the stator through a second bearing, a brake disc in sliding fit with the second end cover, a brake driving the brake disc to advance and retreat, and an encoder arranged at one end of the brake, wherein a gap is formed between the magnetic steel and the stator.
Further, the first end cover is connected with one end of the roller through a plurality of screws, and a first supporting disc is arranged at the outer end of the first end cover.
Further, the second end cover is connected with the other end of the roller through a plurality of screws, a second supporting plate is arranged at the outer end of the second end cover, and the second supporting plate is located between the second end cover and the brake.
Further, a plurality of pull rods are connected between the first supporting disk and the second supporting disk.
Further, the stator shaft comprises a main body part, a first mounting part connected with one end of the main body part, a second mounting part connected with the first mounting part and a third mounting part connected with the other end of the main body part; the outer diameters of the first installation part and the third installation part are respectively smaller than the outer diameter of the first installation part, and the outer diameter of the second installation part is smaller than the outer diameter of the first installation part.
Further, the outer end of third installation department with the outer end parallel and level of roller, the second end cover include with the lid that the roller links to each other, with the fourth installation department that the lid links to each other and with the fifth installation department that the fourth installation department links to each other, the second supporting disk install in on the fourth installation department, the brake disc install in on the fifth installation department.
Further, the first bearing is mounted on the first mounting portion, the first support disc is mounted on the second mounting portion, and the second bearing is mounted on the third mounting portion.
Furthermore, the magnetic steel and the stator are of an integrated structure.
Further, the outer surface of the roller is provided with a spiral groove.
A production method of an outer rotor gearless forced driving traction machine comprises the following steps:
A. pressing the stator onto the stator shaft to obtain a stator assembly;
B. press-fitting a first bearing and a second bearing to both ends of a stator shaft;
C. sleeving the roller on the stator assembly;
D. a first end cover is arranged at one end of the roller, and a second end cover is arranged at the other end of the roller;
E. pressing a first supporting plate to the outer end of the first end cover, and pressing a second supporting plate to the outer end of the second end cover;
F. four pull rods are arranged between the first supporting plate and the second supporting plate;
G. a brake disc and a brake are installed at the outer end of the second support plate, and an encoder is installed in the brake.
According to the outer rotor gearless forced driving traction machine, the motor is powered by the frequency converter and then drives the roller to rotate, the surface of the roller is provided with the rope through hole, the steel wire rope is fixed through the pressing plate, and the roller rotates to pull the elevator car to move up and down; after the power is cut off, the brake disc is tightly pressed on the second supporting disc through the spring in the brake to complete the braking function, the outer rotor gearless forced driving traction machine adopts a permanent magnet synchronous outer rotor structure, the roller is integrated with the rotor, the outer rotor gearless forced driving traction machine has no reduction gearbox, and the outer rotor gearless forced driving traction machine has the advantages of small volume, low cost, high efficiency, lower energy consumption, space saving of an elevator shaft, convenience in layout, low noise, maintenance-free performance and maintenance cost saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an outer rotor gearless forced driving traction machine of the present invention;
labeled as: the brake device comprises a stator shaft 1, a main body part 1-1, a first mounting part 1-2, a second mounting part 1-3, a third mounting part 1-4, a stator 2, a roller 3, a spiral groove 3-1, magnetic steel 4, a first bearing 5, a first end cover 6, a second bearing 7, a second end cover 8, a cover body 8-1, a fourth mounting part 8-2, a fifth mounting part 8-3, a brake disc 9, a brake 10, an encoder 11, a screw 12, a first support disc 13, a second support disc 14 and a pull rod 15.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Referring to fig. 1, an outer rotor gearless forced driving traction machine includes a stator shaft 1, a stator 2 disposed on the stator shaft 1, a roller 3 rotatably connected with the stator shaft 1, 32 pieces of magnetic steel 4 circumferentially disposed on an inner wall of the roller 3, a first end cover 6 connected with one end of the stator 2 through a first bearing 5, a second end cover 8 connected with the other end of the stator 2 through a second bearing 7, a brake disc 9 in sliding fit with the second end cover 8, a brake 10 driving the brake disc 9 to advance and retreat, and an encoder 11 disposed at one end of the brake 10, wherein a gap is formed between the magnetic steel 4 and the stator 2; the first end cover 6 is connected with one end of the roller 3 through a plurality of screws 12, and a first supporting disc 13 is arranged at the outer end of the first end cover 6. The second end cover 8 is connected with the other end of the roller 3 through a plurality of screws 12, a second supporting plate 14 is arranged at the outer end of the second end cover 8, and the second supporting plate 14 is located between the second end cover 8 and the brake 10.
The motor is powered by a frequency converter and then drives the roller 3 to rotate, the surface of the roller 3 is provided with a rope threading hole, a steel wire rope is fixed through a pressing plate, and the roller 3 rotates to pull the elevator car to move up and down; after power failure, the brake disc 9 is tightly pressed on the second support disc 14 through a spring inside the brake 10 to complete a braking function, the outer rotor gearless forced driving traction machine adopts a permanent magnet synchronous outer rotor structure, the roller 3 and the 32 pieces of magnetic steel 4 are integrated, namely the roller 3 and the rotor are integrated, the 32 pieces of magnetic steel are uniformly distributed inside the roller, and the outer rotor gearless forced driving traction machine is free of a reduction gearbox, small in size, low in cost, high in efficiency, lower in energy consumption, capable of saving the space of an elevator shaft, convenient to arrange, low in noise, free of maintenance and capable of saving the maintenance cost.
A plurality of tie rods 15 are connected between the first support plate 13 and the second support plate 14. Specifically, the four pull rods 15 are respectively fixed to the first supporting disk 13 and the second supporting disk 14 through screws, and the four pull rods 15 are used for fixing the axial position, so that the stability of the outer rotor gearless forced driving traction machine is further improved.
The stator shaft 1 comprises a main body part 1-1, a first mounting part 1-2 connected with one end of the main body part 1-1, a second mounting part 1-3 connected with the first mounting part 1-2 and a third mounting part 1-4 connected with the other end of the main body part 1-1; the outer diameters of the first mounting part 1-2 and the third mounting part 1-4 are respectively smaller than the outer diameter of the first mounting part 1-2, and the outer diameter of the second mounting part 1-3 is smaller than the outer diameter of the first mounting part 1-2.
The outer end of third installation department 13 with the outer end parallel and level of roller 3, second end cover 8 include with the lid 8-1 that roller 3 links to each other, with the fourth installation department 8-2 that lid 8-1 links to each other and with the fifth installation department 8-3 that fourth installation department 8-2 links to each other, second supporting disk 14 install in on the fourth installation department 8-2, brake disc 9 install in on the fifth installation department 8-3.
The first bearing 5 is mounted on the first mounting portion 1-2, the first support disc 13 is mounted on the second mounting portion 1-3, and the second bearing 7 is mounted on the third mounting portion 1-4.
The magnetic steel 4 and the stator 2 are of an integrated structure.
The outer surface of the roller 3 is provided with a spiral groove 3-1; the spiral groove 3-1 is used for winding the steel wire rope, and is neat and convenient and high in safety performance.
The invention also provides a production method of the outer rotor gearless forced driving traction machine, which comprises the following steps:
A. pressing the stator onto the stator shaft to obtain a stator assembly;
B. press-fitting a first bearing and a second bearing to both ends of a stator shaft;
C. sleeving the roller on the stator assembly;
D. a first end cover is arranged at one end of the roller, and a second end cover is arranged at the other end of the roller;
E. pressing a first supporting plate to the outer end of the first end cover, and pressing a second supporting plate to the outer end of the second end cover;
F. four pull rods are arranged between the first supporting plate and the second supporting plate;
G. a brake disc and a brake are installed at the outer end of the second support plate, and an encoder is installed in the brake.
The method has simple process and high production efficiency.
According to the outer rotor gearless forced driving traction machine, the motor is powered by the frequency converter to drive the roller 3 to rotate, the surface of the roller 3 is provided with the rope through hole, the steel wire rope is fixed through the pressing plate, and the roller 3 can pull the elevator car to move up and down after rotating; after power failure, the brake disc 9 is tightly pressed on the second support disc 14 through a spring inside the brake 10 to complete a braking function, the outer rotor gearless forced driving traction machine adopts a permanent magnet synchronous outer rotor structure, the roller 3 and the 32 pieces of magnetic steel 4 are integrated, namely the roller 3 and the rotor are integrated, the 32 pieces of magnetic steel are uniformly distributed inside the roller, and the outer rotor gearless forced driving traction machine is free of a reduction gearbox, small in size, low in cost, high in efficiency, lower in energy consumption, capable of saving the space of an elevator shaft, convenient to arrange, low in noise, free of maintenance and capable of saving the maintenance cost.
The above examples are only for illustrating the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an outer rotor does not have gear and forces drive hauler which characterized in that: the brake comprises a stator shaft, a stator arranged on the stator shaft, a roller rotationally connected with the stator shaft, 32 pieces of magnetic steel arranged on the inner wall of the roller along the circumferential direction, a first end cover connected with one end of the stator through a first bearing, a second end cover connected with the other end of the stator through a second bearing, a brake disc in sliding fit with the second end cover, a brake driving the brake disc to move forward and backward, and an encoder arranged at one end of the brake, wherein a gap is formed between the magnetic steel and the stator.
2. The outer rotor gearless forced drive traction machine of claim 1, wherein: the first end cover is connected with one end of the roller through a plurality of screws, and a first supporting disc is arranged at the outer end of the first end cover.
3. The outer rotor gearless forced drive traction machine of claim 2, wherein: the second end cover is connected with the other end of the roller through a plurality of screws, a second supporting plate is arranged at the outer end of the second end cover, and the second supporting plate is located between the second end cover and the brake.
4. The outer rotor gearless forced drive traction machine of claim 1, wherein: and a plurality of pull rods are connected between the first supporting disk and the second supporting disk.
5. The outer rotor gearless forced drive traction machine of claim 1, wherein: the stator shaft comprises a main body part, a first mounting part connected with one end of the main body part, a second mounting part connected with the first mounting part and a third mounting part connected with the other end of the main body part; the outer diameters of the first installation part and the third installation part are respectively smaller than the outer diameter of the first installation part, and the outer diameter of the second installation part is smaller than the outer diameter of the first installation part.
6. The outer rotor gearless forced drive traction machine of claim 5, wherein: the outer end of third installation department with the outer end parallel and level of roller, the second end cover include with the lid that the roller links to each other, with the fourth installation department that the lid links to each other and with the fifth installation department that the fourth installation department links to each other, the second supporting disk install in on the fourth installation department, the brake disc install in on the fifth installation department.
7. The outer rotor gearless forced drive traction machine of claim 5, wherein: the first bearing is installed on the first installation part, the first supporting disc is installed on the second installation part, and the second bearing is installed on the third installation part.
8. The outer rotor gearless forced drive traction machine of claim 1, wherein: the magnetic steel and the stator are of an integrated structure.
9. The outer rotor gearless forced drive traction machine of claim 1, wherein: the outer surface of the roller is provided with a spiral groove.
10. A production method of an outer rotor gearless forced driving traction machine is characterized by comprising the following steps:
A. pressing the stator onto the stator shaft to obtain a stator assembly;
B. press-fitting a first bearing and a second bearing to both ends of a stator shaft;
C. sleeving the roller on the stator assembly;
D. a first end cover is arranged at one end of the roller, and a second end cover is arranged at the other end of the roller;
E. pressing a first supporting plate to the outer end of the first end cover, and pressing a second supporting plate to the outer end of the second end cover;
F. four pull rods are arranged between the first supporting plate and the second supporting plate;
G. a brake disc and a brake are installed at the outer end of the second support plate, and an encoder is installed in the brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577176.9A CN111924684B (en) | 2020-06-23 | 2020-06-23 | External rotor gearless forced driving traction machine and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577176.9A CN111924684B (en) | 2020-06-23 | 2020-06-23 | External rotor gearless forced driving traction machine and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111924684A true CN111924684A (en) | 2020-11-13 |
| CN111924684B CN111924684B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010577176.9A Active CN111924684B (en) | 2020-06-23 | 2020-06-23 | External rotor gearless forced driving traction machine and production method thereof |
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| Country | Link |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746096A (en) * | 2004-09-10 | 2006-03-15 | 宁波欣达电梯配件厂 | Tractor of elevator |
| CN101224835A (en) * | 2007-12-14 | 2008-07-23 | 宁波宏大电梯有限公司 | Elevator traction machine |
| CN203638932U (en) * | 2013-12-27 | 2014-06-11 | 沈阳蓝光永磁电机技术有限公司 | Solid core inner rotor type gearless permanent magnet synchronous tractor for villa elevator |
| CN104386563A (en) * | 2014-11-18 | 2015-03-04 | 爱力维特驱动科技(苏州)有限公司 | Gearless traction machine with end cover |
| US20160251203A1 (en) * | 2013-10-17 | 2016-09-01 | Otis Elevator Company | Cooling of machine for elevator system |
| CN107055281A (en) * | 2017-03-14 | 2017-08-18 | 苏州凯丰电子电器有限公司 | A kind of machine-roomless lift traction machine |
| DE102017223246A1 (en) * | 2017-12-19 | 2019-06-19 | Thyssenkrupp Ag | Elevator drive unit |
| JP2019217893A (en) * | 2018-06-19 | 2019-12-26 | 日本電産株式会社 | Drive unit and electric wheel |
| CN212608923U (en) * | 2020-06-23 | 2021-02-26 | 湖州蒙纳驱动科技有限公司 | External rotor gearless forced driving traction machine |
-
2020
- 2020-06-23 CN CN202010577176.9A patent/CN111924684B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746096A (en) * | 2004-09-10 | 2006-03-15 | 宁波欣达电梯配件厂 | Tractor of elevator |
| CN101224835A (en) * | 2007-12-14 | 2008-07-23 | 宁波宏大电梯有限公司 | Elevator traction machine |
| US20160251203A1 (en) * | 2013-10-17 | 2016-09-01 | Otis Elevator Company | Cooling of machine for elevator system |
| CN203638932U (en) * | 2013-12-27 | 2014-06-11 | 沈阳蓝光永磁电机技术有限公司 | Solid core inner rotor type gearless permanent magnet synchronous tractor for villa elevator |
| CN104386563A (en) * | 2014-11-18 | 2015-03-04 | 爱力维特驱动科技(苏州)有限公司 | Gearless traction machine with end cover |
| CN107055281A (en) * | 2017-03-14 | 2017-08-18 | 苏州凯丰电子电器有限公司 | A kind of machine-roomless lift traction machine |
| DE102017223246A1 (en) * | 2017-12-19 | 2019-06-19 | Thyssenkrupp Ag | Elevator drive unit |
| JP2019217893A (en) * | 2018-06-19 | 2019-12-26 | 日本電産株式会社 | Drive unit and electric wheel |
| CN212608923U (en) * | 2020-06-23 | 2021-02-26 | 湖州蒙纳驱动科技有限公司 | External rotor gearless forced driving traction machine |
Non-Patent Citations (1)
| Title |
|---|
| 李改梅;: "YTW无齿轮永磁同步曳引机的开发和应用", 电机技术, no. 05, 25 October 2010 (2010-10-25), pages 16 - 17 * |
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| Publication number | Publication date |
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| CN111924684B (en) | 2024-07-26 |
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