CN-121984303-A - Horizontal water-cooling multi-cylinder permanent magnet speed regulator

Abstract

The invention relates to the technical field of motor speed regulation transmission equipment, and particularly discloses a horizontal water-cooling multi-cylinder permanent magnet speed regulator which comprises a permanent magnet rotor assembly, a conductor rotor assembly, an adjusting mechanism and a water-cooling housing, wherein the permanent magnet rotor assembly comprises a driven disc of a water guide ring and a magnetic carrying ring, the driven disc is connected with an output shaft through a hub and a first expansion sleeve, the conductor rotor assembly comprises a driving disc and a conductor ring, the adjusting mechanism comprises a sliding assembly driven by a gear rack, the conductor rotor is driven by an outer bearing cylinder to axially move so as to change the meshing area with the permanent magnet rotor to realize stepless speed regulation, a guide post and a sliding shaft type supporting stabilizing mechanism are arranged to ensure stable operation, the water-cooling housing adopts a split multi-grid anti-splashing design, and cooling water flows through a small hole of the magnetic carrying ring and the surface of the conductor ring to conduct efficient heat dissipation under the centrifugal effect. The invention has the advantages of compact structure, high heat dissipation efficiency, low vibration noise, convenient maintenance and low requirement on cooling water quality, and is suitable for high-power motor speed regulation and energy saving occasions.

Inventors

• FEI SHOUYONG
• LIU HAO
• QIN HAINING
• CHEN FANGTAO
• CHENG JINBING
• PAN YU
• ZHANG CHUANBING
• YANG YU
• ZHAO RAN
• XIANG LIN
• MA RUI
• LIU JIE
• ZHENG KANG
• ZHAO JING
• QIN FENG
• ZHU YIHAO
• DU CHANGFEI
• CHEN LIANGSHAN
• HAO QINGFENG

Assignees

• 上海高率机电科技有限公司
• 淮沪煤电有限公司田集发电厂

Dates

Publication Date

20260505

Application Date

20260130

Claims (10)

1. 1. A horizontal water-cooled multi-drum permanent magnet speed regulator, comprising: The permanent magnet rotor assembly comprises a driven disc (1), at least one magnetic carrier ring (2) and a water guide ring (3), wherein the magnetic carrier ring (2) is arranged on one side of the driven disc (1), the driven disc (1) is connected with an output shaft (6) through a hub (4) and a first expansion sleeve (5), and the water guide ring (3) is arranged on the other side of the driven disc (1) and is provided with impeller type fan blades (7); A conductor rotor assembly comprising a driving disc (8) and conductor rings (10), wherein a cylinder (9) is arranged on the driving disc (8), and the magnetic carrier ring (2) is positioned between adjacent conductor rings (10); The adjusting mechanism comprises a bearing seat (11), an extending shaft (13), a rack (16), a gear (17) and an actuator, wherein the bearing seat (11) consists of a shaft sleeve (12), a bearing (14) and a bearing outer cylinder (15), the driving disc (8) is connected with the extending shaft (13) through the shaft sleeve (12), the bearing (14) is arranged between the shaft sleeve (12) and the bearing outer cylinder (15), the rack (16) is arranged on the bearing outer cylinder (15) and meshed with the gear (17), the gear (17) is driven by the actuator, and the driving disc (8) and the shaft sleeve (12) axially move along the extending shaft (13) in speed regulation; The water cooling housing comprises a left water housing (18), a right water housing (19), a sealing end cover (20) and a multi-grid anti-splashing bearing isolation cover (21), wherein the left water housing (18) and the right water housing (19) enclose a closed cavity, a water inlet pipe (22) and a water outlet (23) are arranged on the right water housing (19), and the water inlet pipe (22) is connected with a system cooling water interface (24).
2. 2. The horizontal water-cooling multi-cylinder permanent magnet speed regulator according to claim 1, wherein the magnetic carrier ring (2) is provided with small holes.
3. 3. The horizontal water-cooling multi-cylinder permanent magnet speed regulator according to claim 1, wherein the conductor rings (10) are arranged on the inner side wall of the cylinder (9), and the number of the conductor rings (10) is greater than that of the cylinder (9) when the conductor rings (10) are arranged on the inner side and the outer side of the cylinder (9).
4. 4. The horizontal water-cooling multi-cylinder permanent magnet speed regulator according to claim 1, wherein the regulating mechanism further comprises a guide post (25), a sliding sleeve (26) and a sliding shaft type supporting stabilizing mechanism (27), the guide post (25) is arranged on the driving disc (8) and is in sliding fit with the sliding sleeve (26), and the sliding shaft type supporting stabilizing mechanism (27) is arranged on the rack (16) and is fixed on an actuator base (28).
5. 5. The horizontal water-cooling multi-cylinder permanent magnet speed regulator according to claim 1, wherein the sealing end cover (20) comprises an end cover body (29), a split type framework oil seal (30) is arranged in the end cover body (29), and a cut-off type O-shaped ring (31) is arranged at the joint.
6. 6. Horizontal water-cooled multi-drum permanent magnet speed regulator according to claim 1, characterized in that the speed regulator is connected with the input shaft (33) through the extension shaft (13), the second expansion sleeve (32).
7. 7. Horizontal water-cooled multi-cartridge permanent magnet speed regulator according to claim 1, characterized in that the multi-grid splash-proof bearing cage (21) is constituted by a plurality of layers of grid plates with through holes.
8. 8. The horizontal water-cooled multi-cartridge permanent magnet speed regulator according to claim 1, wherein the permanent magnet rotor assembly and the conductor rotor assembly are provided with anode blocks.
9. 9. Horizontal water-cooled multi-cylinder permanent magnet speed regulator according to claim 1, characterized in that the left water cover (18) and the right water cover (19) are detachably connected.
10. 10. Horizontal water-cooled multi-drum permanent magnet speed regulator according to any of claims 1-9, characterized in that the speed regulator is a horizontal mounting structure, and the output shaft (6) is arranged coaxially with the input shaft (33).

Description

Horizontal water-cooling multi-cylinder permanent magnet speed regulator Technical Field The invention relates to the technical field of motor speed regulation transmission equipment, in particular to a horizontal water-cooling multi-cylinder permanent magnet speed regulator. Background In the technical field of motor speed regulation and energy conservation, a permanent magnet speed regulator is used as a non-contact, efficient and reliable speed regulating device, and is widely applied to energy conservation transformation of high-power industrial equipment such as fans, water pumps and the like. The torque transmission and the rotation speed control are realized by adjusting the air gap or the meshing area between the permanent magnet rotor and the conductor rotor, and the device has the advantages of buffering starting, isolating vibration, no maintenance and the like. However, with the development of application to a higher power density and harsher working condition environment, the existing mainstream permanent magnet speed regulator, especially a high-power machine type, exposes a plurality of problems to be solved in structural design and heat dissipation modes. At present, the cylinder type permanent magnet speed regulator mainly depends on air cooling or water cooling heat dissipation, the air cooling type speed regulator usually adopts a forced air cooling structure, the noise is large during operation, the heat dissipation fan consumes considerable power, the overall energy efficiency of the system is reduced, and meanwhile, the volume of the cylinder type permanent magnet speed regulator is huge to meet the heat dissipation requirement. Although the water-cooling type speed regulator has stronger heat radiation capability, the prior design has obvious defects, for example, by adopting a scheme of adjusting a base of a mobile motor, additional axial and radial loads can be generated on a motor shaft, a bearing and an auxiliary sealing piece, the service life of equipment is influenced, potential safety hazards exist in repeated dragging of a high-voltage cable, the sealing piece is replaced more in need of integral disassembly, the maintenance is very inconvenient, another pull rod type adjusting structure is complex, the axial installation size is overlong, and the pull rod type speed regulator is difficult to be suitable for a reconstruction site with limited installation space. In addition, the existing water cooling scheme generally depends on special demineralized water, the requirement on cooling water quality is high, and the running and maintenance cost of the system is increased. Therefore, a horizontal water-cooling multi-cylinder permanent magnet speed regulator is provided. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a horizontal water-cooling multi-cylinder permanent magnet speed regulator. In order to achieve the above purpose, the invention is realized by the following technical scheme: A horizontal water-cooled multi-cartridge permanent magnet speed governor comprising: The permanent magnet rotor assembly comprises a driven disc, at least one magnetic carrying ring and a water guide ring, wherein the magnetic carrying ring is arranged on one side of the driven disc, the driven disc is connected with an output shaft through a hub and a first expansion sleeve, and the water guide ring is arranged on the other side of the driven disc and is provided with impeller type fan blades; The conductor rotor assembly comprises a driving disc and conductor rings, wherein a cylinder is arranged on the driving disc, and the magnetic carrier ring is positioned between the adjacent conductor rings; The adjusting mechanism comprises a bearing seat, an extension shaft, a rack, a gear and an actuator, wherein the bearing seat consists of a shaft sleeve, a bearing and a bearing outer cylinder, the driving disc is connected with the extension shaft through the shaft sleeve, the bearing is arranged between the shaft sleeve and the bearing outer cylinder, the rack is arranged on the bearing outer cylinder and meshed with the gear, the gear is driven by the actuator, and the driving disc and the shaft sleeve axially move along the extension shaft in speed regulation; The water cooling housing comprises a left water housing, a right water housing, a sealing end cover and a multi-grid anti-splashing bearing isolation cover, wherein the left water housing and the right water housing enclose a closed cavity, a water inlet pipe and a water outlet are arranged on the right water housing, and the water inlet pipe is connected with a system cooling water interface. Optionally, a small hole is formed in the magnetic carrying ring. Optionally, the conductor rings are arranged on the inner side wall of the cylinder, and when the conductor rings are arranged on the inner side and the outer side of the cylinder, the number of the conductor rings is more than that o