CN213116795U - Permanent magnet transmission fan - Google Patents
Permanent magnet transmission fan Download PDFInfo
- Publication number
- CN213116795U CN213116795U CN202021976472.8U CN202021976472U CN213116795U CN 213116795 U CN213116795 U CN 213116795U CN 202021976472 U CN202021976472 U CN 202021976472U CN 213116795 U CN213116795 U CN 213116795U
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- Prior art keywords
- permanent magnet
- bearing box
- fan
- motor
- hub
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a permanent magnet transmission fan, which comprises a motor, a permanent magnet coupler, a bearing box and a fan which are connected in sequence, wherein the motor, the permanent magnet coupler, the bearing box and the fan are fixed on a bottom plate; the motor is provided with an output shaft, the output shaft of the motor is connected with the permanent magnet coupler, and a base is fixed between the permanent magnet coupler and the coupler; the fan comprises a hub and an impeller connected to the hub, and the bearing box is connected to the hub through a main shaft. The utility model provides a novel transmission mode introduces the permanent magnet coupler, and response speed is fast, reduces the vibration, and at the bottom of the fault rate, the maintenance cost is low, long service life, energy-conservation. The utility model discloses compact structure reaches the lubricating oil that main epaxial heat can be equipped with in the bearing box cavity rapidly and absorbs, combines heating panel etc. good heat dissipation, and performance is good, long service life, and sealing performance is good moreover.
Description
Technical Field
The utility model belongs to the technical field of the fan, concretely relates to permanent magnetism transmission fan.
Background
The blower is a short form of habit of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator. Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like.
The existing fan is applied to various industries, generally the existing fan is directly connected with a motor through a main shaft for direct transmission, mechanical hard connection is adopted, vibration is large, the equipment failure rate is high, the service life is influenced, and the fan is influenced in places with poor service environments.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides a permanent magnetism transmission fan to solve current fan and adopt mechanical hard coupling, vibrate greatly, equipment trouble rate is high, life receives the influence scheduling problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a permanent magnet transmission fan comprises a motor, a permanent magnet coupler, a bearing box and a fan which are sequentially connected, wherein the motor, the permanent magnet coupler, the bearing box and the fan are fixed on a bottom plate; the motor is provided with an output shaft, the output shaft of the motor is connected with the permanent magnet coupler, and a base is fixed between the permanent magnet coupler and the coupler; the fan comprises a hub and an impeller connected to the hub, and the bearing box is connected to the hub through a main shaft.
The utility model discloses further set up to, the bearing box with between the wheel hub the heating panel is equipped with on the main shaft, the heating panel with between the wheel hub the guard plate is equipped with on the main shaft.
The utility model discloses further set up to, the center of impeller is connected with the air intake, be connected with the air inlet flange on the air intake.
The utility model discloses further set up to, the bearing box includes the cavity, the cavity bottom of bearing box is equipped with the oil drain hole, the upper portion of bearing box is equipped with the tank filler sleeve, install the bearing in the bearing box, the main shaft passes the bearing.
The utility model discloses further set up to, be equipped with end cover on the bearing box terminal surface, end cover with be equipped with labyrinth seal structure between the main shaft.
The utility model discloses further set up to, the cavity top of bearing box is equipped with the exhaust hole.
The utility model discloses following beneficial effect has:
(1) the utility model provides a novel transmission mode, introduces a permanent magnet coupler, can realize process control and has high response speed; no-load starting, small starting current impact: when the permanent magnet coupler is started, the air gap is adjusted to be large, no-load starting is realized, and the time required by starting current of the motor can be greatly reduced; because the permanent magnet coupler is a non-mechanical connection speed regulating device, the pump and the motor are not mechanically and rigidly connected and completely transmit torque through an air gap, the advantage is that the transmission of vibration is isolated and the vibration is reduced; the equipment has simple structure, low failure rate, low maintenance cost and prolonged service life; by adjusting the load rotating speed, the efficiency is improved, the pipeline loss is reduced, the motor load is reduced, and the energy-saving effect is obvious. The dust collector is suitable for various severe working environments, and places with flammability, explosiveness, humidity, high dust content, high temperature, low temperature and the like.
(2) The utility model discloses compact structure reaches the lubricating oil that main epaxial heat can be equipped with in the bearing box cavity rapidly and absorbs, combines heating panel etc. good heat dissipation, and performance is good, long service life, and sealing performance is good moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1, a motor; 2. a permanent magnet coupler; 3. a coupling; 4. a bearing housing; 5. a base plate; 6. A base; 7. an impeller; 8. a hub; 9. a heat dissipation plate; 10. a protection plate; 11. an air inlet; 12. an air inlet flange; 13. an oil drain hole; 14. and (4) exhausting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a permanent magnet transmission fan, which is shown in figure 1 and comprises a motor 1, a permanent magnet coupler 2, a coupler 3, a bearing box 4 and a fan which are connected in sequence, wherein the motor 1, the permanent magnet coupler 2, the coupler 3, the bearing box 4 and the fan are fixed on a bottom plate 5; the motor 1 is provided with an output shaft, the output shaft of the motor 1 is connected with the permanent magnet coupler 2, and a base 6 is fixed between the permanent magnet coupler 2 and the coupler 3; the fan comprises a hub 8 and an impeller 7 connected to the hub 8, and the bearing box 4 is connected with the hub 8 in a body mode. The utility model discloses introduce permanent magnet coupler 2, provide a new fan transmission mode.
The main shaft between the bearing box 4 and the hub 8 is provided with a heat dissipation plate 9, and the main shaft between the heat dissipation plate 9 and the hub 8 is provided with a protection plate 10.
The center of the impeller 7 is connected with an air inlet 11, and the air inlet 11 is connected with an air inlet flange 12.
The bearing box 4 comprises a cavity, an oil drain hole 13 is formed in the bottom of the cavity of the bearing box 4, an oil filling hole is formed in the upper portion of the bearing box 4, a bearing is installed in the bearing box 4, and the main shaft penetrates through the bearing.
And a sealing end cover is arranged on the end face of the bearing box 4, and a labyrinth sealing structure is arranged between the sealing end cover and the main shaft.
The top of the cavity of the bearing box 4 is provided with an exhaust hole 14.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A permanent magnet transmission fan is characterized by comprising a motor, a permanent magnet coupler, a bearing box and a fan which are sequentially connected, wherein the motor, the permanent magnet coupler, the bearing box and the fan are fixed on a bottom plate; the motor is provided with an output shaft, the output shaft of the motor is connected with the permanent magnet coupler, and a base is fixed between the permanent magnet coupler and the coupler; the fan comprises a hub and an impeller connected to the hub, and the bearing box is connected to the hub through a main shaft.
2. The permanent magnet drive fan of claim 1 wherein a heat sink is mounted on said main shaft between said bearing housing and said hub, and a shield is mounted on said main shaft between said heat sink and said hub.
3. The permanent magnet drive fan of claim 1 wherein the center of the impeller is connected to an air inlet, the air inlet being connected to an air inlet flange.
4. The permanent magnet driving fan according to claim 1, wherein the bearing box comprises a cavity, an oil drain hole is formed in the bottom of the cavity of the bearing box, an oil filling hole is formed in the upper portion of the bearing box, a bearing is installed in the bearing box, and the main shaft penetrates through the bearing.
5. The permanent magnet drive fan of claim 1, wherein: and a sealing end cover is arranged on the end face of the bearing box, and a labyrinth sealing structure is arranged between the sealing end cover and the main shaft.
6. The permanent magnet drive fan of claim 1, wherein: and the top of the cavity of the bearing box is provided with an exhaust hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021976472.8U CN213116795U (en) | 2020-09-10 | 2020-09-10 | Permanent magnet transmission fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021976472.8U CN213116795U (en) | 2020-09-10 | 2020-09-10 | Permanent magnet transmission fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213116795U true CN213116795U (en) | 2021-05-04 |
Family
ID=75661464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021976472.8U Active CN213116795U (en) | 2020-09-10 | 2020-09-10 | Permanent magnet transmission fan |
Country Status (1)
Country | Link |
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CN (1) | CN213116795U (en) |
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2020
- 2020-09-10 CN CN202021976472.8U patent/CN213116795U/en active Active
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