CN110011478B - Flat traction motor - Google Patents
Flat traction motor Download PDFInfo
- Publication number
- CN110011478B CN110011478B CN201910406811.4A CN201910406811A CN110011478B CN 110011478 B CN110011478 B CN 110011478B CN 201910406811 A CN201910406811 A CN 201910406811A CN 110011478 B CN110011478 B CN 110011478B
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- brake
- stator core
- supporting part
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 241001584775 Tunga penetrans Species 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 18
- 230000004323 axial length Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a flat traction motor for an elevator, which is a radial magnetic flux permanent magnet traction motor, and comprises a stator part and a rotor part, wherein the rotor comprises a traction rope groove part, a stator supporting part and a rotor web which are connected in a U shape, the inner edge of the rotor web is integrally connected with the first end edge of the stator supporting part, the outer edge of the rotor web is integrally connected with the first end edge of the traction rope groove part, and the traction rope groove part is positioned at the periphery of the stator supporting part; a traction sheave rope groove is formed in the outer peripheral surface of the traction sheave rope groove, and magnetic steel is attached to the inner peripheral surface of the traction sheave rope groove; the stator core is fixed on the outer peripheral surface of the stator core supporting part, the stator core, the stator coil and the stator core supporting part are together positioned in the annular groove between the magnetic steel of the rotor and the stator supporting part, and the inner peripheral surface of the stator core supporting part is supported on the outer peripheral surface of the stator supporting part through a pair of bearings. The invention has short axial length, compact structure and good heat dissipation effect.
Description
Technical Field
The invention relates to the technical field of permanent magnet synchronous traction motors for elevators, in particular to a flat traction motor for an elevator.
Background
The existing permanent magnet synchronous traction motor for the elevator mainly comprises a radial flux permanent magnet traction motor and an axial flux disc type permanent magnet motor. The traction wheel of the radial flux permanent magnet traction motor is fixedly connected to one side of the rotor in a welding or press fit or other modes; or the traction sheave and the rotor are cast integrally, but the traction sheave is still arranged on one side of the rotor to form a cantilever structure. The cantilever structure has higher mechanical property requirement on structural members, which tends to greatly increase the material consumption, reduce the service life of the bearing or select a larger bearing, and increase the cost. In addition, the cantilever structure has long axial length and can not meet the requirements of thin technology trend.
In order to improve the defects of the cantilever type radial flux permanent magnet traction motor, the radial flux permanent magnet traction motor in a double-support structure mode or the traction rope groove is processed on the outer circle of the rotor in Chinese patent No. CN204823609U appears, but the radial flux permanent magnet traction motor in the structure mode has the problem that the axial length is still longer.
In addition, as in chinese patent No. CN208241552U, the traction rope groove is machined on the outer circle of the rotor, but such a technique is applied to a double-stator heavy-duty traction machine, and still has the disadvantage of long axial length.
Also, the casing of the radial flux permanent magnet traction motor is closed, and the heat dissipation effect is poor, and it is known that the heat dissipation of the motor has a limitation on the power volume ratio, so that the improvement of the power volume ratio is limited.
The axial flux disc permanent magnet motor has the following defects although the axial length is greatly shortened compared with the radial flux permanent magnet traction motor: 1. the stator core needs to be punched and wound, the process is complex, and special punching and winding iron core equipment is needed; 2. the stator core forms a wire slot on the end face, and the stator coil is difficult to be taken off; 3. the stator and the rotor have larger axial suction force, a larger bearing is needed to be selected and matched, and the service life of the bearing is shortened.
Disclosure of Invention
The invention provides a flat traction motor for an elevator, which is a radial flux permanent magnet traction motor and comprises a stator part and a rotor part, wherein the stator part comprises a stator core, a stator coil wound on the stator core and a stator core supporting part for fixing the stator core; the rotor part consists of a rotor and magnetic steel; a brake and a magnetic encoder are arranged between the stator part and the rotor part, and the rotor is characterized by comprising a traction rope groove part, a stator supporting part and a rotor web which are connected in a U shape, wherein the inner edge of the rotor web is integrally connected with the first end edge of the stator supporting part, the outer edge of the rotor web is integrally connected with the first end edge of the traction rope groove part, and the traction rope groove part is positioned at the periphery of the stator supporting part; a traction sheave rope groove is formed in the outer peripheral surface of the traction sheave rope groove portion, and the magnetic steel is attached to the inner peripheral surface of the traction sheave rope groove portion; the stator core is fixed on the outer peripheral surface of the stator core supporting part, the stator core, the stator coil and the stator core supporting part are located in the annular groove between the magnetic steel of the rotor part and the stator supporting part, and the inner peripheral surface of the stator core supporting part is supported on the outer peripheral surface of the stator supporting part through a pair of bearings.
In a preferred embodiment of the present invention, an end plate is provided on the second end edge of the stator core support portion, and the stator core is fixed to the end plate by bolts.
In a preferred embodiment of the present invention, a brake assembly portion extending radially is provided on the second end edge of the stator core support portion, a rotor brake portion extending radially is provided on the second end edge of the rope sheave portion, the brake is mounted on the brake assembly portion, and a brake pad is provided on a surface of the brake opposite to the rotor brake portion, and the brake pad contacts the rotor brake portion to achieve braking.
In a preferred embodiment of the invention, the hoisting rope groove portion of the rotor, the rotor web of the stator support portion and the rotor brake portion are cast together.
In a preferred embodiment of the invention, the brake is a caliper disc electromagnetic brake.
In a preferred embodiment of the present invention, a base extending in a direction of the first end edge of the stator support part is provided at a lower side of the brake fitting part, the base being located at an outer periphery of the outer peripheral surface of the traction rope groove part.
In a preferred embodiment of the present invention, the magnetic encoder includes an encoder detection device mounted on the second end edge of the stator core support portion by a bracket and located at the second end edge position of the stator support portion, and an induced magnetic ring mounted on the second end edge of the stator support portion.
In a preferred embodiment of the present invention, the magnetic encoder includes an encoder detection device mounted on the base by a bracket at a first end position of the stator support, and an induced magnetic ring mounted on the first end of the stator support.
In a preferred embodiment of the present invention, a heat dissipation hole is formed in the rotor web, a first heat dissipation air duct is provided between the stator core and the inner surface of the rotor web, an air gap is provided between the inner circumferential surface of the magnetic steel and the outer circumferential surface of the stator core, a second heat dissipation air duct is provided between the brake assembly portion and the rotor brake portion, and cooling air flows through an air path formed by the heat dissipation hole, the first heat dissipation air duct, the air gap and the second heat dissipation air duct to dissipate heat of the stator core and the stator coil.
In a preferred embodiment of the invention, a vent hole is provided in the brake fitting portion.
In a preferred embodiment of the invention, the stator support is a hollow shaft structure.
In a preferred embodiment of the invention, a manual jigger device is also included, the manual jigger device including a ring of jigger gears disposed on the rotor brake.
The invention adopts the radial magnetic flux rotary permanent magnet motor to directly process the traction steel wire rope groove on the outer circle of the rotor, and the brake disc is cast together with the rotor, so that the traction wheel, the rotor and the brake disc are completely integrated, the assembly of parts is reduced, and the axial size of the motor is greatly reduced; the rotor web is provided with radiating holes to form an air path, and adopts a hollow shaft structure without a closed shell, so that the heat radiation performance of the motor is improved, and the power volume ratio of the motor is improved; the double-support structure is adopted, so that the mechanical property of the mechanical structure is improved, and the stress is better; double-sided braking of a traction machine brake disc is achieved by matching with a caliper disc brake, and braking force is improved. The invention has short axial length, compact structure and good heat dissipation effect.
Drawings
Fig. 1 is a schematic diagram of an elevator flat traction motor according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of the flat traction motor for an elevator according to embodiment 2 of the present invention.
Fig. 3 is a schematic view of the structure of the rotor in the flat traction motor for elevator according to embodiments 1 and 2 of the present invention, seen from one direction.
Fig. 4 is a schematic view of the structure of the rotor in the flat traction motor for elevator according to embodiments 1 and 2 of the present invention, seen from the other direction.
Fig. 5 is a schematic view of the stator core structure in the flat traction motor for elevator according to embodiments 1 and 2 of the present invention.
Fig. 6 is a schematic view of the flat traction motor for an elevator according to embodiment 2 of the present invention, as seen from one direction.
Fig. 7 is a schematic view of the flat traction motor for an elevator according to embodiment 2 of the present invention, seen from another direction.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Example 1
Referring to fig. 1, 3 to 5, the flat traction motor for an elevator shown in the drawings is a radial flux permanent magnet traction motor including a stator portion and a rotor portion.
The stator portion includes a stator core 2 and a stator coil 3 wound on the stator core 2, and a stator core support portion 1B for fixing the stator core 2. The stator core 2 is formed by laminating silicon steel sheets through notching.
An end plate 1C is provided on the second end edge of the stator core support portion 1B, and the stator core 2 is fixed to the end plate 1C by bolts 10 and is located on the outer peripheral surface of the stator core support portion 1B. A brake fitting portion 1A extending radially is provided on a second end edge of the stator core support portion 1B. The brake fitting portion 1A, the stator core support portion 1B, and the end plate 1C are integrally cast. Further, the brake fitting portion 1A is provided with a vent hole 1D.
The rotor part consists of a rotor 11 and magnetic steel 12. The rotor 11 comprises a traction rope groove part 11B, a stator supporting part 11C and a rotor web 11A which are connected in a U shape, wherein the inner edge of the rotor web 11A is integrally connected with a first end edge 11D of the stator supporting part 11C, the outer edge of the rotor web 11A is integrally connected with a first end edge 11E of the traction rope groove part 11B, the traction rope groove part 11B is positioned on the periphery of the stator supporting part 11C, and the traction rope groove part 11B, the stator supporting part 11C and the rotor web 11A enclose a ring groove 11F with a radial section of U shape. A sheave rope groove 13 is formed in the outer peripheral surface of the sheave rope groove portion 11B.
The magnetic steel 12 is attached to the inner peripheral surface of the hoisting rope groove 11B. The stator support portion 11C has a hollow shaft structure to facilitate heat dissipation.
A rotor braking portion 11H extending radially is provided at the second end edge 11G of the sheave portion 11B. The rotor braking portion 11H is cast together with the traction rope groove portion 11B, the stator supporting portion 11C, and the rotor web 11A. The rotor web 11A is provided with heat radiation holes 11J.
When the flat traction motor for an elevator of this embodiment is assembled, the stator core 2, the stator coil 3 and the stator core support portion 1B are together located in the annular groove 11F between the magnetic steel of the rotor 12 and the stator support portion 11C, the inner peripheral surface of the stator core support portion 1B is supported on the outer peripheral surface of the stator support portion 11C by the pair of bearings 4, 7, wherein the stator support portion 11C is press-fitted into the concentric inner holes of the bearings 4, 7, and simultaneously the retainer rings 6, 16 are fixed to the first end edge 11D and the second end edge 11K of the stator support portion 11C, respectively, and the retainer rings 6, 16 axially limit the inner rings of the bearings 7, 4, respectively.
The inner peripheral surface of the stator core support portion 1B is press-fitted on the concentric outer circles of the bearings 4, 7, so that the rotor rotates around the stator core support portion 1B through the stator support portion 11C, the bearings 4, 7.
The base 15 of the flat traction motor for an elevator is welded to the bottom edge of the lower side of the brake fitting portion 1A, and the base 15 extends in the direction of the first end edge 11D of the stator supporting portion 11C so that the base 15 is located at the periphery of the outer peripheral surface of the traction rope groove portion 11B.
The brake of this embodiment is a caliper disc type electromagnetic brake 14A. The caliper disc type electromagnetic brake 14A is fixedly arranged on the brake assembly part 1A through a synchronous tensioning screw 17, a brake block 14B is arranged on the surface, opposite to the rotor brake part 11H, of the caliper disc type electromagnetic brake 14A, and the brake block 14B is in contact with the rotor brake part 11H to realize braking.
The magnetic encoder comprises encoder detection means 9 and an induced magnetic ring 8. The induced magnetic ring 8 is mounted on the second end edge of the stator supporting part 11C of the rotor, rotates together with the rotor, and the encoder detection device 9 is mounted on the second end edge of the stator core supporting part 1B through the bracket 5 and is positioned at the second end edge of the stator supporting part 11C, so that the detection of the magnetic pole position and the detection of the speed of the rotor are realized.
After the flat traction motor for an elevator of this embodiment is assembled, a first heat dissipation air duct 18 is formed between the stator core 2 and the inner surface of the rotor web 11A. An air gap 19 is provided between the inner peripheral surface of the magnetic steel 12 and the outer peripheral surface of the stator core 2. The rotor braking part 11H and the brake assembling part 1A are parallel to each other, a second heat dissipation air duct 20 is arranged between the brake assembling part 1A and the rotor braking part 11H, and cooling air flows through an air path formed by the heat dissipation holes 11J, the first heat dissipation air duct 18, the air gap 19, the second heat dissipation air duct 20 and the ventilation hole 1D, so that heat dissipation is performed on the stator core 2 and the stator coil 3, heat dissipation performance is improved, and motor power volume ratio is improved.
Example 2
Referring to fig. 2 to 6 and 7, the flat traction motor for an elevator shown in the drawings is different from the flat traction motor for an elevator of embodiment 1 in that: the encoder detection device 9 is mounted on the base 15 through the bracket 5 and is located at the first end edge 11D of the stator support 11C, and the induced magnetic ring 8 is mounted on the first end edge 11D of the stator support 11C.
In addition, the manual turning device is easy to install, only a circle of turning gear is needed to be processed on the outer circle of the rotor braking part, the rotor, the traction wheel, the brake disc and the turning gear are integrally structured, the assembly of parts is reduced, the working time is saved, and the accumulated error caused by the assembly can be greatly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many variations and modifications of the disclosed subject matter may be made by one skilled in the art, or equivalents may be substituted for elements thereof without departing from the scope of the disclosed subject matter. Therefore, any modification, equivalent variation and modification of the above embodiments according to the present technology fall within the protection scope of the present technology, all without departing from the technical solution of the present invention.
Claims (12)
1. The flat traction motor for the elevator is a radial magnetic flux permanent magnet traction motor and comprises a stator part and a rotor part, wherein the stator part comprises a stator iron core, a stator coil wound on the stator iron core and a stator iron core supporting part for fixing the stator iron core; the rotor part consists of a rotor and magnetic steel; a brake and a magnetic encoder are arranged between the stator part and the rotor part, and the rotor is characterized by comprising a traction rope groove part, a stator supporting part and a rotor web which are connected in a U shape, wherein the inner edge of the rotor web is integrally connected with the first end edge of the stator supporting part, the outer edge of the rotor web is integrally connected with the first end edge of the traction rope groove part, and the traction rope groove part is positioned at the periphery of the stator supporting part; a traction sheave rope groove is formed in the outer peripheral surface of the traction sheave rope groove portion, and the magnetic steel is attached to the inner peripheral surface of the traction sheave rope groove portion; the stator core is fixed on the outer peripheral surface of the stator core supporting part, the stator core, the stator coil and the stator core supporting part are located in the annular groove between the magnetic steel of the rotor part and the stator supporting part, and the inner peripheral surface of the stator core supporting part is supported on the outer peripheral surface of the stator supporting part through a pair of bearings.
2. The flat traction motor for an elevator according to claim 1, wherein an end plate is provided on a second end edge of the stator core support portion, and the stator core is fixed to the end plate by bolts.
3. The flat traction motor for an elevator according to claim 1, wherein a brake fitting portion extending radially is provided at a second end edge of the stator core support portion, a rotor braking portion extending radially is provided at a second end edge of the rope groove portion, the brake is mounted on the brake fitting portion, a brake pad is provided on a surface of the brake opposite to the rotor braking portion, and the brake pad is brought into contact with the rotor braking portion to achieve braking.
4. The flat traction motor for an elevator according to claim 3, wherein the traction rope groove portion of the rotor, the rotor web of the stator supporting portion, and the rotor braking portion are cast together.
5. The flat traction motor for an elevator according to claim 3, wherein the brake is a caliper disc type electromagnetic brake.
6. The flat traction motor for an elevator according to claim 3, wherein a base extending toward a first end edge of the stator supporting portion is provided at a lower side of the brake fitting portion, the base being located at an outer periphery of an outer peripheral surface of the traction rope groove portion.
7. The flat traction motor for an elevator according to claim 6, wherein the magnetic encoder includes an encoder detecting device mounted on the second end edge of the stator core support portion by a bracket and located at the second end edge position of the stator support portion, and an induced magnetic ring mounted on the second end edge of the stator support portion.
8. The flat traction motor for an elevator according to claim 6, wherein the magnetic encoder includes an encoder detecting device and an induced magnetic ring, the encoder detecting device being mounted on the base by a bracket at a first end edge position of the stator supporting portion, the induced magnetic ring being mounted on the first end edge of the stator supporting portion.
9. The flat traction motor for an elevator according to claim 3, wherein a heat radiation hole is formed in the rotor web, a first heat radiation air duct is provided between the stator core and the inner surface of the rotor web, an air gap is provided between the inner peripheral surface of the magnetic steel and the outer peripheral surface of the stator core, a second heat radiation air duct is provided between the brake assembly portion and the rotor brake portion, and cooling air flows through an air path formed by the heat radiation hole, the first heat radiation air duct, the air gap and the second heat radiation air duct to radiate heat from the stator core and the stator coil.
10. The flat traction motor for an elevator according to claim 9, wherein a vent hole is formed in the brake fitting portion.
11. The flat traction motor for an elevator according to claim 10, wherein the stator supporting part has a hollow shaft structure.
12. The flat traction motor for an elevator according to claim 3, further comprising a manual jigger device comprising a ring of jigger gears provided on said rotor brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406811.4A CN110011478B (en) | 2019-05-15 | 2019-05-15 | Flat traction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910406811.4A CN110011478B (en) | 2019-05-15 | 2019-05-15 | Flat traction motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110011478A CN110011478A (en) | 2019-07-12 |
| CN110011478B true CN110011478B (en) | 2023-11-28 |
Family
ID=67177170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910406811.4A Active CN110011478B (en) | 2019-05-15 | 2019-05-15 | Flat traction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110011478B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111071903B (en) * | 2020-01-06 | 2024-02-09 | 菱王电梯有限公司 | Magnetic gear speed-regulating permanent magnet synchronous traction machine |
| CN112217297A (en) * | 2020-09-28 | 2021-01-12 | 上海吉亿电机有限公司 | Tractor for elevator without machine room |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389388A (en) * | 2002-06-12 | 2003-01-08 | 宁波欣达电梯配件厂 | Toothless dragger in frame structure and its installation |
| JP2006027803A (en) * | 2004-07-15 | 2006-02-02 | Mitsubishi Electric Corp | Hoisting machine for elevator |
| KR100597523B1 (en) * | 2005-12-30 | 2006-07-10 | 주식회사 한테크 | Traction machine for elevator |
| CN203079610U (en) * | 2013-03-04 | 2013-07-24 | 杭州国电机械设计研究院有限公司 | Winding drum device for minor axis winding lifting-type ship lift |
| CN104843566A (en) * | 2015-04-17 | 2015-08-19 | 曾海平 | Outer rotor plane motor traction machine |
| CN108675094A (en) * | 2018-07-18 | 2018-10-19 | 永大电梯设备（中国）有限公司 | A kind of compact permanent magnetism synchronization gear wheel free elevator traction machine |
| CN209767314U (en) * | 2019-05-15 | 2019-12-10 | 上海吉亿电机有限公司 | Flat traction motor |
-
2019
- 2019-05-15 CN CN201910406811.4A patent/CN110011478B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389388A (en) * | 2002-06-12 | 2003-01-08 | 宁波欣达电梯配件厂 | Toothless dragger in frame structure and its installation |
| JP2006027803A (en) * | 2004-07-15 | 2006-02-02 | Mitsubishi Electric Corp | Hoisting machine for elevator |
| KR100597523B1 (en) * | 2005-12-30 | 2006-07-10 | 주식회사 한테크 | Traction machine for elevator |
| CN203079610U (en) * | 2013-03-04 | 2013-07-24 | 杭州国电机械设计研究院有限公司 | Winding drum device for minor axis winding lifting-type ship lift |
| CN104843566A (en) * | 2015-04-17 | 2015-08-19 | 曾海平 | Outer rotor plane motor traction machine |
| CN108675094A (en) * | 2018-07-18 | 2018-10-19 | 永大电梯设备（中国）有限公司 | A kind of compact permanent magnetism synchronization gear wheel free elevator traction machine |
| CN209767314U (en) * | 2019-05-15 | 2019-12-10 | 上海吉亿电机有限公司 | Flat traction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110011478A (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100740390B1 (en) | Lifting gear | |
| KR100766358B1 (en) | Elevator hoisting machine | |
| JP6087584B2 (en) | Rotor for surface magnet-attached rotary electric machine and method for manufacturing the same | |
| CN102471028A (en) | Elevator machine with external rotor and motor within traction sheave | |
| CN110011478B (en) | Flat traction motor | |
| JP2010235266A (en) | Thin type hoisting machine and driving motor for thin type hoisting machine | |
| WO2018092628A1 (en) | Rotor for rotary electric machine and method for manufacturing rotor for rotary electric machine | |
| CN209767314U (en) | Flat traction motor | |
| WO2019196501A1 (en) | Permanent magnet synchronous gearless traction machine | |
| JP2004338915A (en) | Hoisting machine for elevator | |
| JP5048802B2 (en) | Thin hoisting machine for elevator and elevator device | |
| JP4619713B2 (en) | Elevator hoisting machine | |
| CN108155756B (en) | External rotation type rotating electric machine | |
| JP2010193607A (en) | Rotary electric machine, manufacturing method thereof, and hoist | |
| JP2014050274A (en) | Rotor for surface magnet affixed rotary electric machine | |
| JP4731792B2 (en) | Ventilator device with electromagnetic coupling means | |
| CN109412287B (en) | Radial magnetic flux permanent magnet elevator motor | |
| CN111102292A (en) | Magnetic suspension bearing assembly, outer rotor motor assembly and motor | |
| CN112217297A (en) | Tractor for elevator without machine room | |
| WO2019202790A1 (en) | Dynamo-electric machine, and elevator hoist system | |
| CN110829713A (en) | Magnetic suspension motor and air conditioner | |
| CN213305081U (en) | Traction motor rotor | |
| JP2016182015A (en) | Embedded magnet motor, and traction machine for elevator using embedded magnet motor, and elevator using traction machine for elevator, and in-wheel motor device using embedded magnet motor | |
| CN211089260U (en) | Elevator traction motor rotor | |
| CN211737763U (en) | Magnetic suspension bearing assembly, outer rotor motor assembly and motor |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190730 Address after: 201615 Shanghai city Songjiang District town Jiuting Yaohan Road No. 77 Applicant after: SHANGHAI GIE EM Co.,Ltd. Address before: No. 99 Jiuxin Highway, Songjiang District, Shanghai, 201612 Applicant before: YUNGTAY ELEVATOR EQUIPMENT (CHINA) Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |