A vertical stepless permanent magnet energy-saving speed regulator

Abstract

The present technology discloses a vertical stepless permanent magnet energy-saving speed regulator, which includes a frame, a driving structure, a driven structure, a guide seat device, a speed regulating component, a spline, and an electric actuator; the driving structure includes a driving disk, a metal conductor, and a heat sink. The metal conductor is fixed on the inner circumferential wall of the driving disk, and the heat sink is fixed on the outer circumferential wall of the driving disk; the driven structure includes a driven disk and a permanent magnet. The permanent magnet is fixed on the outer circumferential wall of the driven disk; the driving disk is sleeved on the outside of the driven disk; the speed regulating component includes a spline sleeve, a bearing sleeve, an angular contact bearing, and a guide shaft; the guide seat device includes a guide seat and a lifter. The top of the lifting rod of the lifter is connected to the bearing sleeve, and the electric actuator is connected to the lifter through a connecting rod. The electric actuator is used to drive the lifter to complete the lifting action. The present technology is a vertical stepless permanent magnet energy-saving speed regulator with convenient installation, simple structure, convenient speed regulation, easy operation, high reliability, and low height.

Description

Technical Field

[0001] This technology belongs to the electromechanical field. Specifically, it is a vertical stepless permanent magnet energy-saving speed regulator. Background Art

[0002] The permanent magnet speed regulator includes a coaxially arranged driving rotor and a driven rotor; a permanent magnet is fixed on the outer periphery of the driven rotor arranged on the driven shaft; a metal conductor is fixed on the outer periphery of the driving rotor; the permanent magnet and the metal conductor are radially opposite to each other and there is a gap between them; when the axial position of the driven rotor relative to the driving rotor is adjusted by an adjusting device, the permanent magnet on the driven rotor axially moves relative to the metal conductor, thus changing the length of the axial overlap between the permanent magnet and the metal conductor, changing the magnetic flux, and thereby changing the transmitted power to achieve the speed regulation purpose. However, the existing adjusting device has a complex structure, is difficult to install and debug, and has low overall reliability; moreover, the height of the existing vertical energy-saving permanent magnet speed regulators on the market is generally relatively high, presenting certain risks. Summary of the Invention

[0003] The technical problem to be solved by this technology is to provide a vertical stepless permanent magnet energy-saving speed regulator that is convenient to install, has a simple structure, is convenient for speed regulation, is easy to operate, has high reliability and a relatively low height in view of the above-mentioned prior art.

[0004] To achieve the above technical purpose, the technical solution adopted by this technology is as follows:

[0005] A vertical stepless permanent magnet energy-saving speed regulator includes a frame, a driving structure, a driven structure, a guide seat device, a speed regulation component, a spline, and an electric actuator;

[0006] The driving structure includes a driving disk, a metal conductor, and a heat sink. The metal conductor is fixed on the inner circumferential wall of the driving disk, and the heat sink is fixed on the outer circumferential wall of the driving disk;

[0007] The driven structure includes a driven disk and a permanent magnet. The permanent magnet is fixed on the outer circumferential wall of the driven disk;

[0008] The driving disk and the driven disk are coaxial and the driving disk is sleeved on the outside of the driven disk, and there is a gap between the metal conductor and the permanent magnet;

[0009] The speed regulation component includes a spline sleeve, a bearing sleeve, an angular contact bearing, and a guide shaft. The bearing sleeve is sleeved on the outside of the spline sleeve and there is an angular contact bearing between the inner wall of the bearing sleeve and the outer wall of the spline sleeve. The guide shaft is fixedly connected to the bearing sleeve;

[0010] The inner side of the spline sleeve is provided with a spline and the spline sleeve is in sliding connection with the spline; the top of the spline sleeve is connected to the driven disk;

[0011] The guiding seat device includes a guiding seat and a lift. One side of the guiding seat is provided with a through hole, and a guiding rod sleeve is fixedly connected below the through hole. The other side of the guiding seat is fixedly connected with the lift.

[0012] The guiding seat device is located below the speed regulating component. The bottom end of the guiding shaft sequentially passes through the through hole of the guiding seat and the inner hole of the guiding rod sleeve, and the guiding shaft can slide in the through hole of the guiding seat and the inner hole of the guiding rod sleeve. The top of the lifting rod of the lift is connected with a bearing sleeve. The electric actuator is connected with the lift through a connecting rod. The electric actuator is used to drive the lift to complete the lifting action. The guiding seat is fixedly connected to the frame.

[0013] As a further improved technical solution of the present technology, it further includes a connecting flange and a shrink disc. The driving disc is connected to the shaft head of the vertical motor through the connecting flange and the shrink disc.

[0014] As a further improved technical solution of the present technology, the top of the driving disc is fixedly connected to the connecting flange through bolts. The inner side of the connecting flange is connected to the shrink disc through bolts. The shaft head of the vertical motor is located inside the shrink disc.

[0015] As a further improved technical solution of the present technology, it further includes a flange pressing plate, pressing plate bolts and steel wires. The end of the shaft head of the vertical motor is fixedly connected to the flange pressing plate through two pressing plate bolts. Holes are provided in the bolt heads of the two pressing plate bolts. The hole in the bolt head of one pressing plate bolt is interconnected with the hole in the bolt head of the other pressing plate bolt through a steel wire.

[0016] As a further improved technical solution of the present technology, the metal conductor is a copper ring.

[0017] As a further improved technical solution of the present technology, the speed regulating component further includes an end cover plate, a distance sleeve, a round nut stop washer, a round nut, a sliding bearing and an elastic retaining ring. Two angular contact bearings are provided between the inner circumferential wall of the bearing sleeve and the outer circumferential wall of the spline sleeve. The end cover plate is sleeved outside the spline sleeve, and a skeleton seal ring is provided between the inner side wall of the end cover plate and the outer circumferential wall of the spline sleeve. The top of the end cover plate and the bearing sleeve are fixedly connected by connecting screws and spring washers, and the connecting screws press the outer rings of the two angular contact bearings between the end cover plate and the inner bottom wall of the bearing sleeve. The distance sleeve is sleeved outside the spline sleeve, and a skeleton seal ring is provided between the bottom of the bearing sleeve and the outer circumferential wall of the distance sleeve. A thread is provided on the outer circumferential surface at the bottom of the spline sleeve. The round nut is threadedly connected to the thread at the bottom of the spline sleeve, and the round nut presses the inner rings of the two angular contact bearings between the shoulder of the spline sleeve and the distance sleeve through the round nut stop washer. The two skeleton seal rings are used to seal the two angular contact bearings between the spline sleeve, the end cover plate, the bearing sleeve and the distance sleeve. The inner circumferential surface of the spline sleeve is connected with a sliding bearing through an elastic retaining ring. The outer circumferential surface of the spline has a vertical guiding protrusion, and a vertical guiding groove matching the guiding protrusion is provided on the inner circumferential surface of the spline sleeve. The guiding protrusion of the spline is inserted into the guiding groove of the spline sleeve to realize the sliding connection between the spline and the spline sleeve. The spline is in sliding contact with the sliding bearing. The middle part of the inner side of the spline is connected to the load through a spline pressing plate and bolts, and the inner side of the spline is connected to the load through a key bar.

[0018] As a further improved technical solution of the present technology, a sliding bearing is provided on the through hole of the guiding seat, and the guiding shaft is in sliding contact with the sliding bearing in the through hole.

[0019] As a further improved technical solution of the present technology, the elevator adopts a screw elevator, and the electric actuator adopts a motor.

[0020] As a further improved technical solution of the present technology, the top of the spline sleeve is connected to the driven disk by screws, and the guiding seat is fixedly connected to the table surface of the inner circumferential surface of the frame through bolts, spring washers and washers.

[0021] As a further improved technical solution of the present technology, a protective cover is fixedly connected to the top of the spline sleeve. The top of the spline is located inside the protective cover, and a limiting plate is fixedly connected to the top of the spline.

[0022] The realization of the present technology is based on the following principle: When a large block of conductor is placed in an alternating magnetic field, eddy currents will be generated in the conductor. The magnetic field generated by the eddy currents interacts with the original alternating magnetic field to generate a magnetic interaction. When this magnetic interaction acts on the rotating driven rotor, torque is generated to achieve power transmission.

[0023] The expansion sleeve for the driving disk of this technology is connected to the shaft head of the vertical motor through a connecting flange, and the driven disk is connected to the speed regulation component through bolts. The spline sleeve in the speed regulation component is installed on the spline on the inner hole of the guide seat. The lifting machine is used to drive the guide shaft to move back and forth. The electric actuator controls the lifting machine on the guide seat to pull down the driven disk, so that the driven disk axially moves towards the non-driving end of the motor. At this time, the overlapping area between the copper ring on the driving disk and the permanent magnet on the driven disk decreases, the magnetic flux becomes smaller, the magnetic field generated by the eddy current in the copper ring becomes weaker, and the magnetic field generated by the eddy current interacts with the magnetic field of the permanent magnet on the circumference of the driven disk, the magnetic force becomes weaker, the output torque becomes smaller, and the load speed decreases. When the electric actuator controls the lifting machine on the guide seat to push up the driven disk, so that the driven disk axially moves towards the driving end of the motor. At this time, the overlapping area between the copper ring on the driving disk and the permanent magnet on the driven disk increases, the magnetic flux becomes larger, the magnetic field generated by the eddy current in the copper ring becomes stronger, and the magnetic field generated by the eddy current interacts with the magnetic field of the permanent magnet on the circumference of the driven disk, the magnetic force becomes stronger, the output torque becomes larger, and the load speed increases. Therefore, this technology can control the speed by adjusting the electric actuator according to the customer's needs, so as to achieve stepless speed regulation.

[0024] This technology is a vertical stepless permanent magnet energy-saving speed regulator with high reliability, convenient installation, simple structure, completely soft start, stall automatic protection, adaptation to harsh environments, high practicability, controllable flow rate, power and pipe loss savings, reduced damage probability and reduced losses. This vertical stepless permanent magnet energy-saving speed regulator is located between the motor and the load. The vertical stepless permanent magnet energy-saving speed regulator has a lower height, making the distance between the motor and the load shorter and the stability higher. This vertical stepless permanent magnet energy-saving speed regulator has the advantages of convenient installation, simple structure, convenient speed regulation, easy operation, high reliability, low cost, remarkable energy-saving effect, and convenient maintenance, and has broad application prospects in the field of speed regulation. Brief Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of this technology.

[0026] Figure 2 It is a schematic diagram of the speed regulation component of this technology.

[0027] Figure 3 It is a schematic diagram of the guide seat device of this technology

[0028] Figure 4 It is a schematic diagram when the magnetic flux of this technology is the largest and the output speed is the highest.

[0029] Figure 5 It is a schematic diagram when the magnetic flux of this technology is the smallest and the output speed is the lowest.

[0030] Figure 6 It is a schematic diagram of the overall installation of this technology. Detailed implementation manners

[0031] The following further describes Figures 1 to 6 the detailed implementation manners of the present technology:

[0032] As Figure 1 shown, a vertical stepless permanent magnet energy-saving speed regulator includes a frame 1, a driving structure, a driven structure, a guide seat device 2, a speed regulating component 8, a spline 3, and an electric actuator 26.

[0033] As Figure 1 shown, the driving structure includes a driving disk 14 (formed by welding a circular ring disk and a cylinder), a metal conductor 13, and a heat sink 12. The metal conductor 13 is fixed on the inner circumferential wall of the driving disk 14, and the heat sink 12 is fixed on the outer circumferential wall of the driving disk 14. The driven structure includes a driven disk 10 and a permanent magnet 11. The permanent magnet 11 is fixed on the outer circumferential wall of the driven disk 10. The driving disk 14 and the driven disk 10 are coaxial and the driving disk 14 is sleeved outside the driven disk 10, and there is a gap between the metal conductor 13 and the permanent magnet 11.

[0034] As Figure 2 shown, the speed regulating component 8 includes a spline sleeve 45, a bearing sleeve 39, an angular contact bearing 38, and a guide shaft 37. The bearing sleeve 39 is sleeved outside the spline sleeve 45, and an angular contact bearing 38 is provided between the inner wall of the bearing sleeve 39 and the outer wall of the spline sleeve 45. A guide shaft 37 is fixedly connected to a reserved through hole on one side of the bearing sleeve 39 through two thin nuts 23 and a flat washer 36. A spline 3 (as Figure 1 ) is provided inside the spline sleeve 45, and the spline sleeve 45 is slidably connected to the spline 3. The top of the spline sleeve 45 is fixedly connected to the driven disk 10.

[0035] As Figure 2As shown in the figure, the speed regulation component 8 of this embodiment further includes an end cover plate 35, a distance sleeve 41, a round nut lock washer 42, a round nut 43, a sliding bearing 30, and a snap ring 44. Two angular contact bearings 38 are provided between the inner circumferential wall of the bearing sleeve 39 and the outer circumferential wall of the spline sleeve 45. The end cover plate 35 is sleeved outside the spline sleeve 45, and a skeleton seal ring 40 is provided between the inner side wall of the end cover plate 35 and the outer circumferential wall of the spline sleeve 45, and the two are hermetically connected through the skeleton seal ring 40. The top of the end cover plate 35 and the bearing sleeve 39 are fixedly connected by a connecting screw 32 and a spring washer 34, and the connecting screw 32 presses the outer rings of the two angular contact bearings 38 between the end cover plate 35 and the inner bottom wall of the bearing sleeve 39. The distance sleeve 41 is sleeved outside the spline sleeve 45, and a skeleton seal ring 40 is provided between the bottom of the bearing sleeve 39 and the outer circumferential wall of the distance sleeve 41, and the two are hermetically connected through this skeleton seal ring 40. The outer circumferential surface of the bottom of the spline sleeve 45 is provided with a thread. The round nut 43 is threadedly connected to the thread at the bottom of the spline sleeve 45, and the round nut 43 presses the inner rings of the two angular contact bearings 38 between the shoulder of the spline sleeve 45 and the distance sleeve 41 through the round nut lock washer 42. The two skeleton seal rings 40 are used to seal the two angular contact bearings 38 between the spline sleeve 45, the end cover plate 35, the bearing sleeve 39, and the distance sleeve 41 to prevent the lubricating oil of the angular contact bearings 38 from leaking out. The sliding bearing 30 is fixed on the inner circumferential surface of the top of the spline sleeve 45 by a snap ring 44, and the sliding bearing 30 is fixed on the inner circumferential surface of the bottom by a snap ring 44. The outer circumferential surface of the spline 3 is provided with a vertical guiding protrusion, and the inner circumferential surface of the spline sleeve 45 is provided with a vertical guiding groove that matches the guiding protrusion. The guiding protrusion of the spline 3 is inserted into the guiding groove of the spline sleeve 45 to realize the vertical sliding connection between the spline 3 and the spline sleeve 45, and the spline 3 is in sliding contact with the sliding bearing 30. As Figure 1 shown, the middle part of the inner side of the spline 3 is connected to the load through a spline pressing plate 9 and a bolt, and the inner side of the spline 3 is connected to the load through a key bar 4.

[0036] As Figure 3As shown in the figure, the guide seat device 2 includes a guide seat 29 and a lift 33. One side of the guide seat 29 is provided with a through hole, and a guide rod sleeve 31 is fixedly connected below the through hole by a connecting screw 32 and a spring washer 6. The other side of the guide seat 29 is fixedly connected with the lift 33 by bolts. The guide seat device 2 is located below the speed regulating component 8. The bottom end of the guide shaft 37 sequentially passes through the through hole of the guide seat 29 and the inner hole of the guide rod sleeve 31, and the guide shaft 37 can slide in the through hole of the guide seat 29 and the inner hole of the guide rod sleeve 31. The top of the lifting rod of the lift 33 is connected with a bearing sleeve 39 through a thin nut 23, an adjusting piece 24, and a disc spring 25. The electric actuator 26 is connected with the lift 33 through a connecting rod 27. The electric actuator 26 is used to drive the lift 33 to complete the lifting action. The guide seat 29 is fixedly connected to the frame 1.

[0037] As Figure 1 shown, this embodiment further includes a connecting flange 18 and a shrink disc 17. The driving disc 14 is connected to the shaft head of the vertical motor through the connecting flange 18 and the shrink disc 17 (as Figure 6 ). The top of the driving disc 14 of this embodiment is fixedly connected to the connecting flange 18 through a connecting bolt 22. The inner side of the connecting flange 18 is connected to the shrink disc 17 by bolts. The shaft head of the vertical motor is located inside the shrink disc 17 (as Figure 6 ).

[0038] As Figure 1 shown, this embodiment further includes a flange pressing plate 19, a pressing plate bolt 21, and a steel wire 20. The end of the shaft head of the vertical motor is fixedly connected to the flange pressing plate 19 through two pressing plate bolts 21. The bolt heads of the two pressing plate bolts 21 are provided with holes. The hole in the bolt head of one pressing plate bolt 21 is interconnected with the hole in the bolt head of the other pressing plate bolt 21 through the steel wire 20. The steel wire 20 serves to stabilize the pressing plate bolt 2, making the connection between the pressing plate bolt 2 and the end of the shaft head of the vertical motor more stable.

[0039] The metal conductor 13 of this embodiment is a copper ring.

[0040] The spline 3 of this embodiment is located inside the middle hole of the guide seat 29. A proximity switch 28 is installed on the wall of the middle hole of the guide seat 29. The proximity switch 28 is used to detect the rotational speed of the spline 3 inside the middle hole of the guide seat 29. Finally, the rotational speed is uploaded to the display device. By comparing the rotational speed of the motor and the rotational speed of the spline 3, the speed regulation result can be understood.

[0041] As Figure 3 shown, a sliding bearing 30 is provided on the through hole of the guide seat 29 of this embodiment. The guide shaft 37 is in sliding contact with the sliding bearing 30 inside the through hole of the guide seat 29.

[0042] In this embodiment, the elevator 33 uses a screw elevator 33, and the electric actuator 26 uses a motor. The motor drives the rotation of the screw elevator 33 to realize the lifting of the screw (lifting rod).

[0043] In this embodiment, the top of the spline sleeve 45 is connected to the driven disk 10 by screws, and the guide seat 29 is fixedly connected to the table surface of the inner circumferential surface of the frame 1 through bolts 7, spring washers 6 and washers 5. The outer surface of the frame 1 is circular ring-shaped.

[0044] As Figure 1 shown, a protective cover 16 is fixedly connected to the top of the spline sleeve 45 in this embodiment, and the top of the spline 3 is located inside the protective cover 16. A limiting plate 15 is also fixedly connected to the top of the spline 3, and the limiting plate 15 has a limiting function.

[0045] The load in this embodiment is a water pump, and the fixing methods among the motor, the vertical stepless permanent magnet energy-saving speed regulator and the water pump are as Figure 6 shown.

[0046] The working principle of the vertical stepless permanent magnet energy-saving speed regulator in this embodiment:

[0047] In this embodiment, the driving disk 14 is connected to the shaft head of the vertical motor by a shrink disc 17 and a connecting flange 18. The driven disk 10 is connected to the speed regulating component 8 by bolts. The spline sleeve 45 in the speed regulating component 8 is installed on the spline 3 in the middle hole of the guide seat 29, and the lifting machine 33 is used to drive the guide shaft 37 to move back and forth. The electric actuator 26 is used to control the elevator 33 on the guide seat 29 to pull down (rotate counterclockwise) the driven disk 10, so that the driven disk 10 axially moves towards the non-driving end of the motor (as Figure 5 shown). At this time, the overlapping area between the copper ring on the driving disk 14 and the permanent magnet 11 on the driven disk 10 decreases, the magnetic flux becomes smaller, the magnetic field generated by the eddy current in the copper ring becomes weaker, and the magnetic field generated by the eddy current interacts with the magnetic field of the permanent magnet 11 on the circumference of the driven disk 10, the magnetic force becomes weaker, the output torque becomes smaller, and the load speed decreases. When the electric actuator 26 controls the elevator 33 on the guide seat 29 to push up (rotate clockwise) the driven disk 10, so that the driven disk 10 axially moves towards the driving end of the motor (as Figure 4 shown). At this time, the overlapping area between the copper ring on the driving disk 14 and the permanent magnet 11 on the driven disk 10 increases, the magnetic flux becomes larger, the magnetic field generated by the eddy current in the copper becomes stronger, and the magnetic field generated by the eddy current interacts with the magnetic field of the permanent magnet 11 on the circumference of the driven disk 10, the magnetic force becomes stronger, the output torque becomes larger, and the load speed increases. Therefore, in this embodiment, according to the needs of customers, the speed can be controlled by adjusting the electric actuator 26 to achieve stepless speed regulation.

[0048] In order to take away the heat generated by the eddy current, a heat sink 12 is installed on the driving disk 14. When the driving disk 14 rotates driven by the motor, part of the cooling air passes through the outer surface of the driving disk 14 by the heat sink 12; at the same time, the other part of the cooling air passes through the inside of the driving disk 14 to cool the copper ring. In order to make the cooling of the cooling air better, the conical generatrix on the inner surface of the copper ring is designed to form an angle of 2° with the axis of the motor shaft.

[0049] This embodiment is a vertical stepless permanent magnet energy-saving speed regulator with high reliability, convenient installation, simple structure, full soft start, automatic protection against locked rotor, adaptation to harsh environments, high practicability, controllable flow rate, power and pipe loss savings, reduced damage probability and reduced losses. The vertical stepless permanent magnet energy-saving speed regulator of this embodiment is located between the motor and the load. The vertical stepless permanent magnet energy-saving speed regulator is of low height, making the distance between the motor and the load shorter and the stability higher. The vertical stepless permanent magnet energy-saving speed regulator of this embodiment has the advantages of convenient installation, simple structure, convenient speed regulation, easy operation, high reliability, low cost, remarkable energy-saving effect, and convenient maintenance, and has broad application prospects in the field of speed regulation.

[0050] The protection scope of this technology includes but is not limited to the above embodiments. The protection scope of this technology is subject to the claims. Any replacement, deformation, and improvement that are easily conceivable by those skilled in the art made to this technology fall within the protection scope of this technology.

Claims

1. A vertical stepless permanent magnet energy-saving speed regulator, characterized in that: It includes a frame, a driving structure, a driven structure, a guide seat device, a speed regulating component, a spline, and an electric actuator; The driving structure includes a driving disk, a metal conductor, and a heat sink. A metal conductor is fixed on the inner circumferential wall of the driving disk, and a heat sink is fixed on the outer circumferential wall of the driving disk; the metal conductor is a copper ring; The driven structure includes a driven disk and a permanent magnet. A permanent magnet is fixed on the outer circumferential wall of the driven disk; The driving disk and the driven disk are coaxial, and the driving disk is sleeved outside the driven disk. There is a gap between the metal conductor and the permanent magnet; The speed regulating component includes a spline sleeve, a bearing sleeve, an angular contact bearing, and a guide shaft. The bearing sleeve is sleeved outside the spline sleeve, and an angular contact bearing is provided between the inner wall of the bearing sleeve and the outer wall of the spline sleeve. A guide shaft is fixedly connected to the bearing sleeve; The inner side of the spline sleeve is provided with a spline and the spline sleeve is in sliding connection with the spline; the top of the spline sleeve is connected to the driven disk; The guide seat device includes a guide seat and a lifter. A through hole is provided on one side of the guide seat, and a guide rod sleeve is fixedly connected below the through hole. A lifter is fixedly connected to the other side of the guide seat; The guide seat device is located below the speed regulating component. The bottom end of the guide shaft sequentially passes through the through hole of the guide seat and the inner hole of the guide rod sleeve, and the guide shaft can slide in the through hole of the guide seat and the inner hole of the guide rod sleeve; the top of the lifting rod of the lifter is connected to the bearing sleeve. The electric actuator is connected to the lifter through a connecting rod. The electric actuator is used to drive the lifter to complete the lifting action. The guide seat is fixedly connected to the frame; It also includes a connecting flange and a shrink disc. The driving disk is connected to the shaft head of a vertical motor through the connecting flange and the shrink disc.

2. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, characterized in that: The top of the driving disk is fixedly connected to the connecting flange through bolts. The inner side of the connecting flange is connected to the shrink disc through bolts. The shaft head of the vertical motor is located inside the shrink disc.

3. The vertical stepless permanent magnet energy-saving speed regulator according to claim 2, wherein: It also includes a flange pressing plate, pressing plate bolts, and a steel wire. The end of the shaft head of the vertical motor is fixedly connected to the flange pressing plate through two pressing plate bolts. Holes are provided in the bolt heads of the two pressing plate bolts, and the holes in the bolt heads of one pressing plate bolt and the holes in the bolt heads of the other pressing plate bolt are connected to each other through a steel wire.

4. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, wherein: The speed regulation component further includes an end cover plate, a distance sleeve, a round nut stop washer, a round nut, a sliding bearing, and a snap ring. Two angular contact bearings are provided between the inner circumferential wall of the bearing sleeve and the outer circumferential wall of the spline sleeve. A skeleton seal ring is provided between the inner side wall of the end cover plate sleeved on the outside of the spline sleeve and the outer circumferential wall of the spline sleeve. The top of the end cover plate and the bearing sleeve are fixedly connected by connecting screws and spring washers, and the connecting screws press the outer rings of the two angular contact bearings between the end cover plate and the inner bottom wall of the bearing sleeve. The distance sleeve is sleeved on the outside of the spline sleeve, and a skeleton seal ring is provided between the bottom of the bearing sleeve and the outer circumferential wall of the distance sleeve. A thread is provided on the outer circumferential surface at the bottom of the spline sleeve. The round nut is threadedly connected to the thread at the bottom of the spline sleeve, and the round nut presses the inner rings of the two angular contact bearings between the shoulder of the spline sleeve and the distance sleeve through the round nut stop washer. The two skeleton seal rings are used to seal the two angular contact bearings between the spline sleeve, the end cover plate, the bearing sleeve, and the distance sleeve. The inner circumferential surface of the spline sleeve is connected with a sliding bearing through a snap ring. A vertical guiding projection is provided on the outer circumferential surface of the spline, and a vertical guiding groove matching with the guiding projection is provided on the inner circumferential surface of the spline sleeve. The guiding projection of the spline is inserted into the guiding groove of the spline sleeve to realize the sliding connection between the spline and the spline sleeve. The spline is in sliding contact with the sliding bearing. The middle part of the inner side of the spline is connected with the load through a spline pressing plate and bolts, and the inner side of the spline is connected with the load through a key bar.

5. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, characterized in that: A sliding bearing is provided on the through hole of the guiding seat, and the guiding shaft is in sliding contact with the sliding bearing in the through hole.

6. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, characterized in that: The elevator adopts a screw elevator, and the electric actuator adopts a motor.

7. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, characterized in that: The top of the spline sleeve is connected with the driven disk by screws, and the guiding seat is fixedly connected to the table surface of the inner circumferential surface of the frame through bolts, spring washers, and washers.

8. The vertical stepless permanent magnet energy-saving speed regulator according to claim 1, characterized in that: A protective cover is fixedly connected to the top of the spline sleeve. The top of the spline is located inside the protective cover, and a limiting plate is fixedly connected to the top of the spline.

Images