WO2021093547A1

WO2021093547A1 - Vertical air-cooled double-cylinder permanent magnet speed regulator

Info

Publication number: WO2021093547A1
Application number: PCT/CN2020/123029
Authority: WO
Inventors: 王荣松; 姜西宏; 张秀; 任学辉
Original assignee: 青岛斯普瑞能源科技有限公司
Priority date: 2019-11-11
Filing date: 2020-10-23
Publication date: 2021-05-20
Also published as: CN110649786A

Abstract

The present invention provides a vertical air-cooled double-cylinder permanent magnet speed regulator, belonging to the technical field of permanent magnet speed regulators. The technical solution thereof is: said speed regulator comprises a permanent magnet rotor assembly provided on a load shaft, a conductor rotor assembly provided on an input shaft of a motor, and a speed regulating mechanism; the permanent magnet rotor assembly and the conductor rotor assembly are concentrically provided, the speed regulating mechanism is provided on a housing, and the speed regulating mechanism is far away from a permanent magnet disk, a rotating shaft is rotatably connected to an annular plate, two rocker arms are provided on the rotating shaft, and outer ends of the rocker arms are hinged to one end of a connecting rod; and said speed regulator further comprises a sliding sleeve, a bearing I is provided on the sliding sleeve, the other end of the connecting rod is hinged to an outer sleeve of the bearing I, and the permanent magnet disk is provided on the sliding sleeve. The beneficial effect of the present invention is facilitating the change of a coupling area, thereby changing the torque transferred between the conductor rotor assembly and the permanent magnet rotor assembly, achieving the purpose of speed regulation.

Description

Vertical air-cooled double-cylinder permanent magnet speed governor

Technical field

The invention relates to the technical field of permanent magnet speed governors, in particular to a vertical air-cooled double-cylinder permanent magnet speed governor.

Background technique

The permanent vertical drive belt loading mechanism connects the drive device and the load equipment through a mechanical device, and uses traditional mechanical cooperation for transmission. It will cause some inevitable problems, such as mechanical fatigue, friction loss, vibration and noise, etc., must ensure precision The installation accuracy can ensure the stability of the mechanical movement, but after a long period of use, the equipment will be damaged due to mechanical vibration or wear. The vertical drive belt load mechanism variable speed device is a device that changes the transmission ratio or speed of the output shaft and the input shaft. The traditional frequency conversion speed regulation is adopted. The maintenance of the equipment is cumbersome and the maintenance cost is high, which affects the normal use and working cycle of the equipment. In addition, the traditional structure of the permanent magnet governor has low magnetic field utilization, large gyration radius size, large equipment weight, large proportion of additional power consumption, large axial distance, complex heat dissipation system, high equipment cost and low transmission efficiency.

Summary of the invention

The purpose of the present invention is to provide a vertical air-cooling system that facilitates changing the coupling area between the permanent magnet ring and the outer conductor ring and the inner conductor ring, thereby changing the torque transmitted between the conductor rotor assembly and the permanent magnet rotor assembly, and achieving the purpose of speed regulation. Double-cylinder type permanent magnet governor.

The present invention is achieved through the following measures: a vertical air-cooled double-cylinder permanent magnet speed governor, which is characterized by comprising a permanent magnet rotor assembly arranged on the load shaft, and a conductor rotor assembly arranged on the motor input shaft And a speed regulation mechanism, the permanent magnet rotor assembly and the conductor rotor assembly are arranged concentrically, the speed regulation mechanism is arranged on the housing, the speed regulation mechanism is away from the permanent disk, and the housing is rotatably connected There is a rotating shaft, two rocker arms are arranged on the rotating shaft, and the outer ends of the rocker arms are hinged with one end of the connecting rod;

It also includes a sliding sleeve, the sliding sleeve is provided with a bearing one, the other end of the connecting rod is hinged on the outer sleeve of the bearing one, and the permanent disk is arranged on the sliding sleeve. The rotating shaft is arranged on the

When the shaft rotates, the rocker arm and the connecting rod drive the permanent disk to move linearly along the axis, and the permanent disk moves in the axial direction to change the permanent magnet ring, the outer conductor ring, and the inner conductor. The coupling area of the ring changes the torque transmitted between the conductor rotor assembly and the permanent magnet rotor assembly to achieve speed regulation.

The housing is arranged on the outer side of the conductor disk and the permanent disk, the housing includes a plurality of annular plates, the rotating shaft is arranged on the annular plate through a bearing seat, and a plurality of annular plates are arranged between the annular plates. A rod, any of the annular plates are arranged on the load shaft through the second bearing and the two rocker arms are located on both sides of the load shaft, and a power mechanism is provided at either end of the rotating shaft.

There is an included angle between the adjacent rods, and a wind deflector is provided on the annular plate close to the conductor disk. The wind deflector can reduce the influence of wind on the permanent magnet ring, the outer conductor ring and the inner conductor ring. The rods are distributed like fan blades, which can increase wind speed and reduce resistance.

The conductor rotor assembly is provided with a plurality of vents, and the conductor rotor assembly is provided with a detachable suction fin at a position corresponding to the vents.

The permanent magnet rotor assembly includes a permanent magnetic disk, a permanent magnetic ring is arranged on either side of the permanent magnetic disk, and the permanent magnetic disk is arranged on the load shaft;

The conductor rotor assembly includes a conductor disc, an outer conductor ring and an inner conductor ring are concentrically arranged on either side of the conductor disc, and the conductor disc is arranged on the motor input shaft;

The permanent magnet ring is arranged between the outer conductor ring and the inner conductor ring with intervals, the vents are arranged on the conductor plate, and the exhaust fin plate is arranged on the conductor plate by bolts And cover on the vent;

The exhaust fin plate is an outer cover with an open bottom, and an opening is provided on the side of the outer cover away from the axis of the conductor disk. In this way, a cooling air path can be formed inside the permanent magnet governor. The rapid flow of air takes away the heat, reduces the temperature of the permanent magnet, has a significant heat dissipation effect, and improves the performance of the air-cooled permanent magnet governor. The adaptability of the power equipment extends the service life of the permanent magnet governor and enhances the stability of the product.

A partition is arranged in the middle position of the outer cover, and the partition is arranged in the middle position of the vent. In this way, multiple heat dissipation air paths can be added.

The vent and the outer cover are both fan-shaped and ring-shaped. Other shapes may also be used, such as rectangular or cylindrical, and the most preferred is to use the fan-shaped ring, because the two side baffles of the fan-shaped ring are inclined and have an included angle to reduce wind resistance.

The permanent disk is provided with a plurality of the vents, which can increase the heat dissipation effect of the entire device, and the vents on the conductor disk can correspond to the vents on the permanent disk.

A number of heat sinks are provided on the outer side of the outer conductor ring and the inner side of the inner conductor ring. Further strengthen the heat dissipation effect.

The power mechanism can be a manual rotating wheel, or a motor with a reducer. The shaft and the permanent disk and the conductor disk may be connected by a key.

Compared with the prior art, the present invention has the beneficial effects that the permanent magnetic disk is moved in the axial direction by the adjusting mechanism, thereby changing the coupling area between the permanent magnet ring and the outer conductor ring and the inner conductor ring, and realizing torque transmission of different sizes. To achieve the purpose of speed reduction and energy saving, and the inner and outer conductor rings are equipped with heat sinks to achieve the purpose of heat dissipation through heat exchange with the air. The structure is simple and effective; the permanent magnet ring body is placed between the inner and outer conductor rings of the conductor rotor, making full use of the N of the permanent magnet ring. , S pole magnetic force line, the utilization rate of the magnetic field is greatly improved, the structure is simple, the external size is small, and the space is small; the driving device and the load device have no mechanical contact, avoiding the transmission of vibration to the driving device, protecting the driving device, the structure is simple and effective, and the installation, debugging and maintenance are convenient .

Description of the drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

Figure 2 is a schematic diagram of the structure of the conductor rotor assembly and the exhaust fin plate.

Figure 3 is a schematic diagram of the structure of the conductor rotor assembly, the permanent magnet rotor assembly and the speed regulating mechanism.

Figure 4 is a schematic diagram of the structure of the housing.

Among them, the reference signs are: 1. Load shaft; 2. Motor input shaft; 3. Conductor rotor assembly; 4. Permanent magnet rotor assembly; 5. Speed regulating mechanism; 6. Exhaust fin plate; 7. Housing; 301, Conductor plate; 302, outer conductor ring; 303, vent; 304, heat sink; 305, inner conductor ring; 401, permanent disk; 402, permanent magnet ring; 501, shaft; 502, bearing seat; 503, rocker arm; 504, connecting rod; 505, sliding sleeve; 506, bearing one; 507, bearing two; 601, cover; 602, partition plate; 701, ring plate; 702, rod; 703, wind deflector.

Detailed ways

In order to clearly illustrate the technical characteristics of this solution, the following describes the solution through specific implementations.

Referring to Figures 1 to 4, a vertical air-cooled double-cylinder permanent magnet governor includes a permanent magnet rotor assembly 4 arranged on the load shaft 1, a conductor rotor assembly 3 arranged on the motor input shaft 2, and a regulator The speed mechanism 5, the permanent magnet rotor assembly 4 and the conductor rotor assembly 3 are arranged concentrically, the speed regulation mechanism 5 is arranged on the housing, and the speed regulation mechanism 5 is far away from the permanent disk 401. The housing is rotatably connected with a rotating shaft 501, which is arranged on the rotating shaft 501 Two rocker arms 503, the outer end of the rocker arm 503 is hinged with one end of the connecting rod 504;

A sliding sleeve 505 is also included. The sliding sleeve 505 is provided with a bearing 506, the other end of the connecting rod 504 is hinged on the outer shell of the bearing 506, and the permanent disk 401 is arranged on the sliding sleeve 505.

The shaft 501 rotates, the rocker arm 503 and the connecting rod 504 drive the permanent disk 401 to move linearly along the axis, and the permanent disk 401 moves in the axial direction, changing the coupling area between the permanent magnet ring 402 and the outer conductor ring 301 and the inner conductor ring 305, thereby Change the torque transmitted between the conductor rotor assembly 3 and the permanent magnet rotor assembly 4 to achieve speed regulation.

The shell is arranged on the outer side of the conductor disk 301 and the permanent disk 401. The shell includes a number of annular plates 701. The rotating shaft 501 is arranged on the annular plate 701 through a bearing seat 502. A number of rods 702 are arranged between the annular plates 701. The plate 701 is arranged on the load shaft 1 through the bearing two 507 and the two rocker arms 503 are located on both sides of the load shaft 1, and a power mechanism is arranged on either end of the rotating shaft 501.

There is an included angle between adjacent rods 702, and a wind deflector 703 is provided on the annular plate 701 close to the conductor disk 301. The wind deflector 703 can reduce the influence of wind on the permanent magnet ring 402, the outer conductor ring 302, and the inner conductor ring 305. The rods 702 are distributed like fan blades, which can increase the wind speed and reduce the resistance.

A number of vents 303 are provided on the conductor rotor assembly 3, and a detachable suction fin 6 is provided on the conductor rotor assembly 3 at a position corresponding to the vent 303.

The permanent magnet rotor assembly 4 includes a permanent magnetic disk 401, a permanent magnetic ring 402 is arranged on either side of the permanent magnetic disk 401, and the permanent magnetic disk 401 is arranged on the load shaft 1;

The conductor rotor assembly 3 includes a conductor disc 301, an outer conductor ring 302 and an inner conductor ring 305 are concentrically arranged on either side of the conductor disc 301, and the conductor disc 301 is arranged on the motor input shaft 2;

The permanent magnet ring 402 is arranged between the outer conductor ring 302 and the inner conductor ring 305 with intervals, the vent 303 is arranged on the conductor plate 301, and the exhaust fin plate 6 is arranged on the conductor plate 301 by bolts and is covered on the vent 303 ；

The ventilation fin plate 6 is an outer cover 601 with an open bottom, and an opening is provided on the side of the outer cover 601 away from the axis of the conductor disk 301. In this way, a cooling air path can be formed inside the permanent magnet governor. The rapid flow of air takes away the heat, reduces the temperature of the permanent magnet, has a significant heat dissipation effect, and improves the performance of the air-cooled permanent magnet governor. The adaptability of the power equipment extends the service life of the permanent magnet governor and enhances the stability of the product.

A partition 602 is arranged in the middle of the outer cover 601, and the partition 602 is arranged in the middle of the vent 303. In this way, multiple heat dissipation air paths can be added.

The vent 303 and the outer cover 601 are both fan-shaped and ring-shaped. Other shapes can also be used, such as rectangular or cylindrical, and the most preferred is a fan-shaped ring, because the two side baffles of the fan-shaped ring are inclined and have an included angle to reduce wind resistance.

Several vents are provided on the permanent disk 401 to increase the heat dissipation effect of the entire device. The vents 303 on the conductor disk 301 can correspond to the vents on the permanent disk 401.

Several heat sinks 304 are provided on the outer side of the outer conductor ring 302 and the inner side of the inner conductor ring 305. Further strengthen the heat dissipation effect.

The undescribed technical features of the present invention can be achieved by or using the existing technology, and will not be repeated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Those of ordinary skill in the art Changes, modifications, additions or substitutions made within the essential scope of the present invention shall also belong to the protection scope of the present invention.

Claims

A vertical air-cooled double-cylinder permanent magnet speed governor, which is characterized in that it comprises a permanent magnet rotor assembly arranged on the load shaft, a conductor rotor assembly arranged on the motor input shaft, and a speed regulating mechanism. The permanent magnet The rotor assembly and the conductor rotor assembly are arranged concentrically, the speed regulating mechanism is arranged on the housing, the speed regulating mechanism is far from the permanent disk, the housing is rotatably connected with a rotating shaft, and two rotating shafts are arranged on the rotating shaft. A rocker arm, the outer end of the rocker arm is hinged with one end of the connecting rod;

It also includes a sliding sleeve, the sliding sleeve is provided with a bearing one, the other end of the connecting rod is hinged on the outer sleeve of the bearing one, and the permanent disk is arranged on the sliding sleeve.
The vertical air-cooled double-cylinder permanent magnet governor according to claim 1, wherein the housing is arranged outside the conductor disk and the permanent disk, and the housing includes a plurality of annular plates, The rotating shaft is arranged on the annular plate through a bearing seat, a number of rods are arranged between the annular plates, any one of the annular plates is arranged on the load shaft through a bearing two and the two rocker arms are located at the On both sides of the load shaft, any end of the rotating shaft is provided with a power mechanism.
The vertical air-cooled double-cylinder permanent magnet speed governor according to claim 2, characterized in that there is an included angle between the adjacent rods, and a stopper is provided on the annular plate close to the conductor disc. Wind board.
The vertical air-cooled double-cylinder permanent magnet speed governor according to claim 1, wherein a plurality of vents are provided on the conductor rotor assembly, and the conductor rotor assembly is located on the opposite side of the vents. The corresponding position is provided with a detachable exhaust fin plate.
The vertical air-cooled double-cylinder permanent magnet governor according to claim 4, wherein the permanent magnet rotor assembly includes a permanent magnetic disk, and a permanent magnetic ring is provided on either side of the permanent magnetic disk. The magnetic disk is arranged on the load shaft;

The conductor rotor assembly includes a conductor disc, an outer conductor ring and an inner conductor ring are concentrically arranged on either side of the conductor disc, and the conductor disc is arranged on the motor input shaft;

The permanent magnet ring is arranged between the outer conductor ring and the inner conductor ring with intervals, the vents are arranged on the conductor plate, and the exhaust fin plate is arranged on the conductor plate by bolts And cover on the vent;

The exhaust fin plate is an outer cover with an open bottom, and an opening is provided on the side of the outer cover away from the axis of the conductor disk.
The vertical air-cooled double-cylinder permanent magnet speed governor according to claim 4, wherein a partition is provided in the middle of the outer cover, and the partition is provided in the middle of the vent.
The vertical air-cooled double-cylinder permanent magnet speed governor according to claim 4, wherein the vent and the outer cover are both fan-shaped and ring-shaped.
The vertical air-cooled double-cylinder permanent magnet governor according to claim 4, wherein a plurality of the vents are provided on the permanent disk.
The vertical air-cooled double-cylinder permanent magnet speed governor according to claim 4, wherein a plurality of radiating fins are provided on both the outer side of the outer conductor ring and the inner side of the inner conductor ring.