CN112366916A - Permanent magnet transmission device with belt pulley - Google Patents
Permanent magnet transmission device with belt pulley Download PDFInfo
- Publication number
- CN112366916A CN112366916A CN202011238197.4A CN202011238197A CN112366916A CN 112366916 A CN112366916 A CN 112366916A CN 202011238197 A CN202011238197 A CN 202011238197A CN 112366916 A CN112366916 A CN 112366916A
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- Prior art keywords
- magnetic rotor
- inner magnetic
- fixing sleeve
- rotor
- magnet
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- 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
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a permanent magnet transmission device with a belt pulley. Comprises an inner magnetic rotor, a baffle, a motor shaft, an inner magnet, an outer magnetic rotor, a bearing 1, an inner magnetic rotor fixing sleeve, a fixing plate, an end cover, a bearing 2 and the like. One end of the motor shaft extends into the inner magnetic rotor fixing sleeve, the inner magnetic rotor fixing sleeve and the inner magnetic rotor fixing sleeve are circumferentially fixed through keys, and the inner magnetic rotor fixing sleeve are axially fixed at the shaft end through the fixing plate. The inner magnetic rotor is connected with the inner magnetic rotor fixing sleeve through a screw. The outer magnetic rotor is provided with a belt pulley, and a bearing is arranged between the belt pulley and the inner magnetic rotor fixing sleeve. The belt pulley is provided with an end cover. The other end opening of the outer magnetic rotor is provided with a baffle. The invention has the buffer function when starting, reduces the impact on the motor, the speed reducer and other machines, and can prolong the service life of related mechanical equipment.
Description
Technical Field
The invention belongs to the technical field of mechanical transmission, and particularly relates to a permanent magnet transmission device with a belt pulley.
Background
The traditional mechanical transmission is direct transmission between gears and belt pulleys, so that the vibration transmission between a motor and a load is obvious, and strong noise pollution is caused to the surrounding environment; sudden changes in power can cause damage or shutdown; when the load is large, the motor directly drives the load to cause large impact.
Disclosure of Invention
The invention aims to provide a permanent magnet transmission device with a belt pulley.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a permanent magnetism transmission with belt pulley, includes interior magnetic rotor, baffle, motor shaft, interior magnet, outer magnetic rotor, bearing 1, the fixed cover of interior magnetic rotor, fixed plate, end cover, bearing 2 etc. its characterized in that: the motor shaft is thinner, the end of the motor shaft extends into the inner magnetic rotor fixing sleeve and is circumferentially fixed with the inner magnetic rotor fixing sleeve through a key, one end of the inner magnetic rotor fixing sleeve is open and is connected with the fixing plate through a screw, the fixing plate is connected with the thinner end of the motor shaft through a screw, the inner magnetic rotor fixing sleeve is fixed with the motor shaft through the fixing plate, the inner magnetic rotor is fixed on the inner magnetic rotor fixing sleeve through a screw and is positioned through a shaft shoulder of the motor shaft, the outer magnetic rotor is supported on the inner magnetic rotor fixing sleeve through a bearing 1 and a bearing 2, an end cover is installed at the thinner end of the outer magnetic rotor, which is provided with a belt pulley, and a baffle is installed at.
The end cover is cylindrical, the open end of the end cover is fixedly connected with the thin open end of the outer magnetic rotor through a screw, the central axis of the end cover is overlapped with the central axis of the outer magnetic rotor, and the end cover can position the bearing.
The outer magnetic rotor is a step-shaped cylinder, one section of the outer magnetic rotor is a cylinder with a thick opening, the other section of the outer magnetic rotor is a cylinder with a thin opening, a belt pulley is arranged outside one end of the thin opening, a shaft shoulder used for positioning a bearing is arranged inside the cylinder, an annular first mounting groove is formed inside the cylinder with the thick opening, and the end part of the cylinder with the thick opening is fixedly connected with the baffle through a bolt. The outer magnets are fixed in the first mounting groove in a circular ring shape.
The baffle is a circular thin plate, the middle of the baffle is provided with a round hole, and the periphery of the baffle is provided with bolt holes.
The inner magnetic rotor fixing sleeve is a cylinder with a step-shaped through hole, one end of a thin opening of the inner magnetic rotor fixing sleeve is fixedly connected with the fixing plate through a screw, and one end of a thick opening of the inner magnetic rotor fixing sleeve is fixedly connected with the inner magnetic rotor through a screw.
The fixing plate is a circular thin plate, and screw holes are formed in the middle and the periphery of the fixing plate.
The interior magnet is ring shape, and interior magnet is fixed including on the magnet rotor, interior magnet rotor is a thin wall drum, and barrel outer wall week side is opened there is annular second mounting groove, interior magnet is fixed in the second mounting groove, interior magnet rotor one end is uncovered completely, and the other end is equipped with the circular slab, and this plectane is opened around the center has annular groove, and plectane center department opens has circular through-hole, and the motor shaft stretches into this hole, fixes a position this board through the shaft shoulder, and interior magnet rotor is fixed continuous with interior magnet rotor fixed cover through this plectane.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
1. the permanent magnet transmission device with the belt pulley has a buffering starting function;
2. the motor is allowed to start in no-load, so that the starting current of the motor is reduced, the electric energy is saved, and the service life of the motor is prolonged;
3. the device is of a pure mechanical structure, and cannot be damaged and shut down due to the influence of electric power change;
4. effectively eliminating the vibration transmission between the motor and the load and reducing the noise pollution.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a structural explanatory view of an embodiment of the present invention;
in the figure: 1. an inner magnetic rotor; 2. a baffle plate; 3. a motor shaft; 4. an inner magnet; 5. an outer magnet; 6. an outer magnetic rotor; 7. a bearing 1; 8. an inner magnetic rotor fixing sleeve; 9. a fixing plate; 10. an end cap; 11. and a bearing 2.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
According to the specific embodiment of the present invention, as shown in fig. 1, the magnetic rotor comprises an inner magnetic rotor (1), a baffle (2), a motor shaft (3), an inner magnet (4), an outer magnet (5), an outer magnetic rotor (6), a bearing (1) (7), an inner magnetic rotor fixing sleeve (8), a fixing plate (9), an end cover (10), a bearing (2) (11), etc. One end of the motor shaft (3) extends into the inner magnetic rotor fixing sleeve (8), the inner magnetic rotor fixing sleeve and the inner magnetic rotor fixing sleeve are circumferentially fixed through keys, and the shaft end is axially fixed through a fixing plate (9). The inner magnetic rotor (1) is connected with the inner magnetic rotor fixing sleeve (8) through a screw, and the inner magnetic rotor (1) is axially positioned through a shaft shoulder on the motor shaft (3). The thinner end of the outer magnetic rotor (6) is provided with a belt pulley, and the inner surface of the belt pulley is supported on the inner magnetic rotor fixing sleeve (8) through a bearing. An end cover (10) is arranged at the opening of the side surface of the belt pulley. The opening of the thicker end of the outer magnetic rotor (6) is provided with a baffle (2). The inner magnet (4) is fixed in the second mounting groove of the inner magnet rotor (1), and the outer magnet (5) is fixed in the first mounting groove of the outer magnet rotor (6).
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A permanent magnet transmission with a pulley, comprising: the novel motor comprises an inner magnetic rotor, a baffle, a motor shaft, an inner magnet, an outer magnetic rotor, a bearing 1, an inner magnetic rotor fixing sleeve, a fixing plate, an end cover, a bearing 2 and the like, wherein the thinner end of the motor shaft extends into the inner magnetic rotor fixing sleeve and is circumferentially fixed with the inner magnetic rotor fixing sleeve through a key, one end of the inner magnetic rotor fixing sleeve is open and connected with the fixing plate through a screw, the fixing plate is connected with the thinner end of the motor shaft through a screw, the inner magnetic rotor fixing sleeve and the motor shaft are fixed together through the fixing plate, the inner magnetic rotor is fixed on the inner magnetic rotor fixing sleeve through a screw and is positioned through a shaft shoulder of the motor shaft, the outer magnetic rotor is supported on the inner magnetic rotor fixing sleeve through the bearing 1 and the bearing 2, the end cover is installed at the thinner end of the outer.
2. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the end cover is cylindrical, the open end of the end cover is fixedly connected with the thin open end of the outer magnetic rotor through a screw, the central axis of the end cover is overlapped with the central axis of the outer magnetic rotor, and the end cover can position the bearing.
3. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the outer magnet rotor is a stepped cylinder, one section of the outer magnet rotor is a cylinder with a thick opening, the other section of the outer magnet rotor is a cylinder with a thin opening, a belt pulley is arranged outside one end of the thin opening, a shaft shoulder used for positioning a bearing is arranged inside the cylinder, an annular first mounting groove is formed inside the cylinder with the thick opening, the end part of the cylinder with the thick opening is fixedly connected with a baffle through a bolt, and the outer magnet is fixed in the first mounting groove in a circular ring shape.
4. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the baffle is a circular thin plate, the middle of the baffle is provided with a round hole, and the periphery of the baffle is provided with bolt holes.
5. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the inner magnetic rotor fixing sleeve is a cylinder with a step-shaped through hole, one end of a thin opening of the inner magnetic rotor fixing sleeve is fixedly connected with the fixing plate through a screw, and one end of a thick opening of the inner magnetic rotor fixing sleeve is fixedly connected with the inner magnetic rotor through a screw.
6. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the fixing plate is a circular thin plate, and screw holes are formed in the middle and the periphery of the fixing plate.
7. The permanent magnet drive apparatus with a pulley according to claim 1, wherein: the interior magnet is ring shape, and interior magnet is fixed including on the magnet rotor, interior magnet rotor is a thin wall drum, and barrel outer wall week side is opened there is annular second mounting groove, interior magnet is fixed in the second mounting groove, interior magnet rotor one end is uncovered completely, and the other end is equipped with the circular slab, and this plectane is opened around the center has annular groove, and plectane center department opens has circular through-hole, and the motor shaft stretches into this hole, fixes a position this board through the shaft shoulder, and interior magnet rotor is fixed continuous with interior magnet rotor fixed cover through this plectane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238197.4A CN112366916A (en) | 2020-11-09 | 2020-11-09 | Permanent magnet transmission device with belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238197.4A CN112366916A (en) | 2020-11-09 | 2020-11-09 | Permanent magnet transmission device with belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112366916A true CN112366916A (en) | 2021-02-12 |
Family
ID=74509086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011238197.4A Pending CN112366916A (en) | 2020-11-09 | 2020-11-09 | Permanent magnet transmission device with belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112366916A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003269485A (en) * | 2002-03-15 | 2003-09-25 | Yamauchi Corp | Torque limiter |
| CN203596726U (en) * | 2013-10-16 | 2014-05-14 | 上海君显机电科技有限公司 | Permanent magnetic driver |
| CN206250950U (en) * | 2016-11-30 | 2017-06-13 | 江苏磁谷科技股份有限公司 | A kind of cantilever style permanent-magnet synchronous coupler |
| CN206962681U (en) * | 2017-04-27 | 2018-02-02 | 天津吉玄节能技术股份有限公司 | A kind of Flexible Transmission device |
-
2020
- 2020-11-09 CN CN202011238197.4A patent/CN112366916A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003269485A (en) * | 2002-03-15 | 2003-09-25 | Yamauchi Corp | Torque limiter |
| CN203596726U (en) * | 2013-10-16 | 2014-05-14 | 上海君显机电科技有限公司 | Permanent magnetic driver |
| CN206250950U (en) * | 2016-11-30 | 2017-06-13 | 江苏磁谷科技股份有限公司 | A kind of cantilever style permanent-magnet synchronous coupler |
| CN206962681U (en) * | 2017-04-27 | 2018-02-02 | 天津吉玄节能技术股份有限公司 | A kind of Flexible Transmission device |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210212 |
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| WD01 | Invention patent application deemed withdrawn after publication |