CN114655816A - Parallel structure multi-stator traction machine - Google Patents
Parallel structure multi-stator traction machine Download PDFInfo
- Publication number
- CN114655816A CN114655816A CN202210364159.6A CN202210364159A CN114655816A CN 114655816 A CN114655816 A CN 114655816A CN 202210364159 A CN202210364159 A CN 202210364159A CN 114655816 A CN114655816 A CN 114655816A
- Authority
- CN
- China
- Prior art keywords
- split
- stator core
- traction machine
- stator
- winding stator
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- 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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Classifications
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- 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
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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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a parallel structure multi-stator traction machine, which comprises: the motor comprises a shell, a stator core and a stator core, wherein at least two split winding stator cores are arranged in the shell; the rotating shaft is in rotating fit with the shell; the brake is connected with one end of the rotating shaft; the traction sheave is connected with the other end of the rotating shaft; the rotor is axially provided with rotors, the number of the rotors is consistent with that of the split winding stator cores, the rotors and the split winding stator cores correspond to each other one by one, the outer side wall of each rotor is fixedly provided with a permanent magnet layer, and a gap is kept between each permanent magnet layer and each split winding stator core; by adopting the technical scheme, the traction machine is assembled twice by designing the two split winding stator cores, so that the assembly difficulty can be effectively reduced; overall structure is simple, and stator core fastening is reliable, can improve stator equipment quality and assembly efficiency.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a multi-stator traction machine with a parallel structure.
Background
Many motor factories have adopted split type stator structure motor in recent years, and its main advantage is that, stator copper line high-usage, split structure can realize that the machine winds, and production efficiency is high, and motor low in production cost. Many electrical machinery plants seek to adopt a split configuration. However, the split stator structure is difficult to assemble under the condition that the length of the stator is relatively long, which brings certain limitations. Because the split stator structure is formed by assembling a plurality of split stator core units, the roundness size precision of the split stator core unit is lower than that of a stator with an integral structure, and a winding stator with a longer size is assembled in a motor shell.
Disclosure of Invention
Based on the defects, the invention aims to provide the traction machine with the multiple stators and the parallel structure, which solves the problem of difficult assembly of the split structure stator of the motor with longer axial dimension, reduces the assembly difficulty of the stator and improves the assembly quality of the stator.
The technical scheme adopted by the invention for solving the technical problem is as follows:
according to an aspect of the present invention, there is provided a parallel structure multi-stator traction machine, including:
the motor comprises a shell, a stator core and a stator core, wherein at least two split winding stator cores are arranged in the shell;
the rotating shaft is in rotating fit with the shell;
the brake is connected with one end of the rotating shaft;
the traction sheave is connected with the other end of the rotating shaft;
the axial of pivot be equipped with quantity with the rotor that split winding stator core quantity is unanimous, just the rotor with split winding stator core one-to-one, each rotor lateral wall all sets firmly permanent magnet layer, permanent magnet layer with split winding stator core keeps the clearance.
By adopting the technical scheme, the traction machine adopts the split type stator core, the invalid copper wires at the end parts of the stator are short, the utilization rate of the copper wires can be increased, the end parts do not need to be shaped, and the manufacturing efficiency is improved. The heat dissipation area of the multi-stator structure is increased relative to that of a single-stator structure, so that the heat dissipation effect of the motor can be improved, and the motor can obtain the optimal heat dissipation condition. The stator is made into a split type, so that waste materials generated by punching sheet manufacturing are greatly reduced, and the utilization rate of silicon steel materials is improved. The split stator can be used for realizing winding of a machine, and the manufacturing efficiency of the stator is improved. By designing the plurality of split winding stator cores, the split winding stator cores are assembled twice during assembly, so that the assembly difficulty can be effectively reduced; overall structure is simple, and stator core fastening is reliable, can improve stator equipment quality and assembly efficiency.
In order to better solve the technical defects, the invention also has a better technical scheme that:
in some embodiments, the split winding stator core includes a plurality of split core units and an enameled wire wound on the split core units, a dovetail groove is disposed on one side of each split core unit, a dovetail block is disposed on the other side of each split core unit, and the plurality of split core units are connected with the dovetail blocks through the dovetail grooves to form an annular structure.
In some embodiments, the top of the casing is provided with at least one through hole, the through hole is located between adjacent split winding stator cores, a junction box connected with the casing is arranged above the through hole, and the through hole is communicated with the inside of the junction box. Therefore, threading and wiring are facilitated.
In some embodiments, two ends of each split core unit are respectively connected with an insulating clamping piece, and the enameled wire is wound on the insulating clamping pieces. The dovetail structure of the single split iron core unit can be fixed by a special fixture and then loaded on a winding machine for winding coils, and the coils are matched into an annular stator after being wound, and the end part of the annular stator does not need to be reshaped.
In some embodiments, the casing includes a casing body and end covers fixedly connected to two ends of the casing body, a bearing is installed on a bearing step position on the inner side of each end cover, and the rotating shaft is fixedly sleeved with the bearing.
In some embodiments, the distance between the permanent magnet layer and the split winding stator core is 0.3-2 mm.
In some embodiments, the split core unit punching sheets are arranged in a staggered mode, an optimal blanking mode can be obtained, and waste materials generated in the punching sheet manufacturing process are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a parallel-structure multi-stator traction machine according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a multi-stator traction machine with a parallel structure;
fig. 3 is a front view of a split core unit on the multi-stator traction machine with a parallel structure;
fig. 4 is a schematic diagram of a split structure of a single split core unit and an insulating clamping piece thereon of the multi-stator traction machine with a parallel structure;
reference numerals:
1. a housing; 11. a shell body; 12. an end cap; 13. a bearing; 14. a through hole; 2. a rotating shaft; 3. a brake; 4. a traction sheave; 5. a split winding stator core; 51. a split core unit; 511. a dovetail groove; 512. a dovetail block; 52. an insulating fastener; 6. a rotor; 7. a permanent magnet layer; 8. a junction box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 to 4, the present invention provides a parallel structure multi-stator traction machine, including: the device comprises a machine shell 1, a rotating shaft 2, a brake 3 and a traction sheave 4.
The rotating shaft 2 is rotatably matched with the casing 1. Further, the casing 1 includes a casing 11 and end covers 12 fixedly connected to two ends of the casing 11, a bearing 13 is installed on a step position of a bearing 13 inside the end cover 12, and the rotating shaft 2 is fixedly sleeved with the two bearings 13.
The axial of pivot 2 is equipped with the rotor 6 that quantity and split winding stator core 5 quantity are unanimous, and rotor 6 and split winding stator core 5 one-to-one, and split winding stator core 5 is corresponding to in every rotor 6 periphery promptly, and every 6 lateral walls of rotor all set firmly permanent magnet layer 7, and permanent magnet layer 7 and split winding stator core 5 keep 0.3-2mm clearance, and the clearance can be 0.3mm or 0.5mm or 1.0mm or 1.5mm or 2.0mm, and the preferred clearance of this embodiment is 1.0 mm.
The brake 3 is connected with one end of the rotating shaft 2; the traction sheave 4 is connected with the other end of the rotating shaft 2.
The above description is only for the embodiments of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept thereof, and these changes and modifications are within the scope of the present invention.
Claims (6)
1. A parallel structure multi-stator traction machine is characterized by comprising:
the motor comprises a shell, a stator core and a stator core, wherein at least two split winding stator cores are arranged in the shell;
the rotating shaft is in rotating fit with the shell;
the brake is connected with one end of the rotating shaft;
the traction sheave is connected with the other end of the rotating shaft;
the axial of pivot be equipped with quantity with the rotor that split winding stator core quantity is unanimous, just the rotor with split winding stator core one-to-one, each rotor lateral wall all sets firmly permanent magnet layer, permanent magnet layer with split winding stator core keeps the clearance.
2. The traction machine with multiple stators and parallel structures as claimed in claim 1, wherein the split winding stator core comprises a plurality of split core units and an enameled wire wound on the split core units, each split core unit is provided with a dovetail groove on one side and a dovetail block on the other side, and the plurality of split core units are connected with the dovetail blocks through the dovetail grooves in a matched manner to form an annular structure.
3. The traction machine with multiple stators and parallel structures as claimed in claim 1, wherein at least one through hole is formed in the top of the casing, the through hole is located between adjacent split winding stator cores, a junction box connected with the casing is arranged above the through hole, and the through hole is communicated with the inside of the junction box.
4. The traction machine with the multiple stators and the parallel structure as claimed in claim 2, wherein two ends of each split core unit are respectively connected with an insulation clamping piece, and the enameled wire is wound on the insulation clamping pieces.
5. The traction machine with multiple stators and parallel structures as claimed in claim 1, wherein the casing comprises a casing body and end covers fixedly connected with two ends of the casing body, a bearing is mounted on a bearing step position on the inner side of each end cover, and the rotating shaft is fixedly sleeved with the bearing.
6. The traction machine with multiple stators and parallel structures as claimed in claim 1, wherein the distance between the permanent magnet layer and the split winding stator core is 0.3-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364159.6A CN114655816A (en) | 2022-04-08 | 2022-04-08 | Parallel structure multi-stator traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364159.6A CN114655816A (en) | 2022-04-08 | 2022-04-08 | Parallel structure multi-stator traction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114655816A true CN114655816A (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210364159.6A Pending CN114655816A (en) | 2022-04-08 | 2022-04-08 | Parallel structure multi-stator traction machine |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527028Y (en) * | 2002-01-24 | 2002-12-18 | 北京航天万源稀土电机应用技术有限公司 | Rare-earth permanent-magnet synchronous motor for elevator |
| CN102522858A (en) * | 2011-12-20 | 2012-06-27 | 青岛海立美达电机有限公司 | Split-type magnetic suspension motor and assembling method thereof |
| CN202687714U (en) * | 2012-07-05 | 2013-01-23 | 宁波欣达电梯配件厂 | Elevator traction machine |
| CN205141865U (en) * | 2015-11-02 | 2016-04-06 | 浙江西子富沃德电机有限公司 | Motor and have elevator hauler of this motor |
| WO2016176897A1 (en) * | 2015-05-07 | 2016-11-10 | 周焕民 | Tapered air-gap axial dual-loop magnetic field permanent magnet synchronous motor |
| CN210327166U (en) * | 2019-07-24 | 2020-04-14 | 合普动力股份有限公司 | Split type concentrated winding permanent magnet synchronous traction machine stator |
-
2022
- 2022-04-08 CN CN202210364159.6A patent/CN114655816A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2527028Y (en) * | 2002-01-24 | 2002-12-18 | 北京航天万源稀土电机应用技术有限公司 | Rare-earth permanent-magnet synchronous motor for elevator |
| CN102522858A (en) * | 2011-12-20 | 2012-06-27 | 青岛海立美达电机有限公司 | Split-type magnetic suspension motor and assembling method thereof |
| CN202687714U (en) * | 2012-07-05 | 2013-01-23 | 宁波欣达电梯配件厂 | Elevator traction machine |
| WO2016176897A1 (en) * | 2015-05-07 | 2016-11-10 | 周焕民 | Tapered air-gap axial dual-loop magnetic field permanent magnet synchronous motor |
| CN205141865U (en) * | 2015-11-02 | 2016-04-06 | 浙江西子富沃德电机有限公司 | Motor and have elevator hauler of this motor |
| CN210327166U (en) * | 2019-07-24 | 2020-04-14 | 合普动力股份有限公司 | Split type concentrated winding permanent magnet synchronous traction machine stator |
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