CN216356421U

CN216356421U - Vertical winding permanent magnet coupling speed regulator

Info

Publication number: CN216356421U
Application number: CN202122885419.8U
Authority: CN
Inventors: 徐俊峰; 王宝家
Original assignee: Jiangsu Magnet Valley Technologies Co ltd
Current assignee: Jiangsu Magnet Valley Technologies Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of mechanical transmission, in particular to a vertical winding permanent magnet coupling speed regulator which comprises a lower flange, a lower end outer cover, an outer locking nut, a lower bearing, a lower end inner cover, a machine base, an inner and outer rotor assembly, a carbon brush collecting ring assembly, an upper end inner cover, an upper bearing, a spring, an upper end outer cover and an upper flange. The lower end of the inner permanent magnet rotor in the vertical winding permanent magnet coupling speed regulator is in rotary connection with the lower rotor end cover through the paired angular contact ball bearings, and the locking nut is arranged at the lower part of the angular contact ball bearing, so that the vertical winding permanent magnet coupling speed regulator is firm in axial fixation and can bear a larger downward axial force; the lower end of the inner rotor assembly and the lower end of the outer rotor assembly are rotationally connected with the lower flange through the lower bearing, different power requirements are met by using different bearings and supporting structures, and the operation safety and the service life are improved.

Description

Vertical winding permanent magnet coupling speed regulator

Technical Field

The utility model relates to the technical field of mechanical transmission, in particular to a vertical winding permanent magnet coupling speed regulator.

Background

The winding permanent magnet coupling speed regulator mainly comprises a permanent magnet rotor, a winding rotor, a speed regulating mechanism and the like; in the use process, the main body part of the winding permanent magnet coupling speed regulator is arranged in the machine base, the shaft of the permanent magnet rotor is rotatably connected with the machine base through the bearing seat at one end, and the shaft of the winding rotor is rotatably connected with the machine base through the bearing seat at the other end.

Generally, the permanent magnet rotor is connected with a driving prime mover, and the winding rotor is connected with a load; a permanent magnetic field exists in the permanent magnet rotor, and the winding rotor is electrified to generate an induction magnetic field; the induction magnetic field and the permanent magnetic field interact to transfer torque, and the current of the winding rotor is controlled by the control part to control the transfer torque so as to adapt to the requirement of rotating speed and realize the speed regulation function.

The winding permanent magnet coupling speed regulator has been applied to a certain extent in recent years, but the winding permanent magnet coupling speed regulator is mostly horizontal winding permanent magnet coupling in the market. However, in some application scenarios, the vertical winding permanent magnet coupling speed regulator needs to be used, the low-power horizontal winding permanent magnet coupling speed regulator is directly used as the vertical winding permanent magnet coupling speed regulator, and the medium-power and high-power horizontal winding permanent magnet coupling speed regulator cannot be directly used as the vertical winding permanent magnet coupling speed regulator. If the bearing is directly used, the bearing, the shaft system and the supporting system can be damaged, and the production safety and the life safety are threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and the limitation of application scenes, and provides a vertical winding permanent magnet coupling speed regulator, which improves the safety usability, widens the application scenes and the like.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a vertical winding permanent magnet coupling speed regulator comprises a lower flange, a lower end outer cover, an outer locking nut, a lower bearing, a lower end inner cover, a machine base, an inner and outer rotor assembly, a carbon brush collecting ring assembly, an upper end inner cover, an upper bearing, a spring, an upper end outer cover and an upper flange, wherein the lower flange and the upper flange are fixedly connected with the machine base; the upper part of the upper bearing is provided with a spring, the carbon brush collecting ring assembly is sleeved on a shaft of an upper rotor end cover of the inner and outer rotor assemblies, and the periphery of the machine base is provided with shutters.

The inner and outer rotor assemblies comprise a lower rotor end cover, a lower inner bearing, an inner permanent magnet rotor, an outer winding rotor shell, an upper rotor end cover, an upper inner bearing, a winding and an inner locking nut, the outer winding rotor shell is fixedly connected with the lower rotor end cover and the upper rotor end cover, and the inner permanent magnet rotor is respectively rotatably connected with the lower rotor end cover and the upper rotor end cover through the lower inner bearing and the upper inner bearing; the lower inner bearing is fixed at the shaft end through an inner locking nut or other modes.

The lower inner bearings are angular contact ball bearings and are used in pairs, and the outer winding rotor is sleeved inside the outer winding rotor shell.

The winding is embedded in the outer winding rotor, and the part of the winding extending out of the end part of the outer winding rotor is subjected to potting treatment.

And the outer part of the shell of the outer winding rotor is provided with a sawtooth-shaped heat dissipation rib.

The utility model has the beneficial effects that:

(1) the lower end of the inner permanent magnet rotor in the vertical winding permanent magnet coupling speed regulator is in rotary connection with the lower rotor end cover through the paired angular contact ball bearings, and the locking nut is arranged at the lower part of the angular contact ball bearing, so that the vertical winding permanent magnet coupling speed regulator is firm in axial fixation and can bear a larger downward axial force;

(2) the interior outer rotor subassembly lower extreme is passed through the lower bearing and is connected with lower flange rotation, and during the middle low-power in service behavior, the lower bearing is with the angular contact ball bearing who uses in pairs, and the lower extreme is fixed with lock nut or other modes, and during the middle high-power in service behavior, axial thrust bearing is used to the lower bearing to the direct fixation is on the lower flange, satisfies different power requirements through using different bearing and bearing structure, has increased operation security and life.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a structural view of the inner and outer rotor assemblies of the present invention.

In the figure, 1, a lower flange; 2. a lower end outer cover; 3. an outer locking nut; 4. a lower bearing; 5. an inner cover at the lower end; 6. a machine base; 7. an inner and outer rotor assembly; 8. a carbon brush collector ring assembly; 9. an inner cover at the upper end; 10. an upper bearing; 11. a spring; 12. an upper end outer cover; 13. an upper flange; 14. a blind window; 601. a vent hole; 701. a lower rotor end cover; 702. a lower inner bearing; 703. an inner permanent magnet rotor; 704. an outer winding rotor; 705. an outer winding rotor housing; 706. an upper rotor end cover; 707. an upper inner bearing; 708. a winding; 709. and an inner locking nut.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

Fig. 1 and 2 show a vertical winding permanent magnet coupling speed regulator, which includes a lower flange 1, a lower outer cover 2, an outer lock nut 3, a lower bearing 4, a lower inner cover 5, a machine base 6, an inner and outer rotor assembly 7, a carbon brush collecting ring assembly 8, an upper inner cover 9, an upper bearing 10, a spring 11, an upper outer cover 12, an upper flange 13, a louver 14 and other main component assemblies.

The lower flange 1 and the upper flange 13 are fixedly connected with the machine base 6, and the inner and outer rotor assemblies 7 are respectively connected with the lower flange 1 and the upper flange 13 in a rotating mode through the lower bearing 4 and the upper bearing 10. The inner and outer rotor assemblies 7 move with the lower bearing 4 and the upper bearing 10 around the inner rings of the lower flange 1 and the upper flange 13, respectively.

The lower bearing 4 is positioned by the lower end outer cover 2 and the lower end inner cover 5 in the axial direction, and the lower end outer cover 4 and the lower end inner cover 5 are fixedly connected with the lower flange 1 through bolts. The lower bearing 4 is axially inwardly positioned by an outer lock nut 3.

The lower bearing 4 can be an angular contact ball bearing or an axial thrust bearing. When the bearing is used under the conditions of medium and small power, the bearing can be in angular contact with the bearing, and when the bearing is used under the conditions of medium and large power, the bearing can be used as an axial thrust bearing. When angular contact ball bearings are used, the angular contact ball bearings need to be used in pairs and need to be positioned by locking nuts; when the axial thrust bearing is used, the axial thrust bearing which is customized and meets the requirements of working conditions is required, and is directly and fixedly connected with the lower flange, and components such as the lower end outer cover, the lower end inner cover, the outer locking nut and the like are not required to be fixed. The lower bearing 4 of the present embodiment is an angular contact ball bearing used in pairs.

The upper bearing 10 is fixedly connected with the upper flange through an upper end outer cover 12 and an upper end inner cover 9, a gap is formed between the upper end inner cover 9 and the upper bearing 10 in the axial direction, and a gap is formed between the upper bearing 10 and the upper end outer cover 12 in the axial direction. The spring 11 is sleeved in the fixing groove of the outer cover 12 at the upper end, and the spring 11 plays roles in positioning the upper bearing and adjusting the axial clearance.

The carbon brush slip ring assembly 8 is sleeved on the shaft of the upper rotor end cover 706 and rotates along with the shaft.

A plurality of ventilation holes 601 are formed around the base 6 and are covered by the louver 14.

The inner and outer rotor assembly 7 mainly comprises a lower rotor end cover 701, a lower inner bearing 702, an inner permanent magnet rotor 703, an outer winding rotor 704, an outer winding rotor shell 705, an upper rotor end cover 706, an upper inner bearing 707, a winding 708, an inner locking nut 709 and other main components.

The outer winding rotor housing 705 is fixedly connected to the lower and upper

rotor end caps

701 and 706, respectively. The outer ring of the outer winding rotor shell 701 is provided with a plurality of zigzag heat dissipation ribs.

The outer winding rotor 704 is sleeved on the inner ring of the outer winding rotor housing 701 and rotates together with the outer winding rotor.

The windings 708 are embedded inside the outer winding rotor 704 and extend out to some length at the end of the outer winding rotor. The portion of the windings 708 that extend beyond the end of the outer wound rotor 704 may need to be potted. The potting process can fix the windings of the extending parts, reduce loss, reduce heat generation and simultaneously facilitate heat conduction.

The inner permanent magnet rotor 703 is rotatably connected to the lower rotor end cap 701 and the upper rotor end cap 706 through a lower inner bearing 702 and an upper inner bearing 707, respectively. Lower inner bearing 702 is positioned on the central axis of inner permanent magnet rotor 703 by inner locknut 709. The inner permanent magnet rotor 703 rotates with the inner rings of the lower inner bearing 702 and the upper inner bearing 707 around the lower rotor end cover 701 and the upper rotor end cover 706, respectively.

An air gap is formed between the inner permanent magnet rotor 703 and the outer winding rotor 704, and the size of the air gap is fixed.

The lower inner bearing 702 is an angular contact ball bearing, and has to be used in pairs.

The lower end of the inner permanent magnet rotor in the vertical winding permanent magnet coupling speed regulator is in rotary connection with the lower rotor end cover through the paired angular contact ball bearings, and the locking nut is arranged at the lower part of the angular contact ball bearing, so that the vertical winding permanent magnet coupling speed regulator is firm in axial fixation and can bear a larger downward axial force; the interior outer rotor subassembly lower extreme is passed through the lower bearing and is connected with lower flange rotation, and during the middle low-power in service behavior, the lower bearing is with the angular contact ball bearing who uses in pairs, and the lower extreme is fixed with lock nut or other modes, and during the middle high-power in service behavior, axial thrust bearing is used to the lower bearing to the direct fixation is on the lower flange, satisfies different power requirements through using different bearing and bearing structure, has increased operation security and life.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a vertical winding permanent magnetism coupling speed regulator, includes lower flange (1), lower extreme enclosing cover (2), outer lock nut (3), lower bearing (4), lower extreme inner cup (5), frame (6), inside and outside rotor subassembly (7), carbon brush collecting ring subassembly (8), upper end inner cup (9), upper bearing (10), spring (11), upper end enclosing cover (12) and upper flange (13), characterized by: the lower flange (1) and the upper flange (13) are fixedly connected with the machine base (6), the inner and outer rotor assemblies (7) are respectively and rotatably connected with the lower flange (1) and the upper flange (13) through the lower bearing (4) and the upper bearing (10), the lower bearing (4) is fixedly connected with the lower flange (1) through the lower end outer cover (2) and the lower end inner cover (5), the lower bearing (4) is axially positioned through the outer locking nut (3) or other fixing modes, and the upper bearing (10) is fixedly connected with the upper flange (13) through the upper end outer cover (12) and the upper end inner cover (9); the upper part of the upper bearing (10) is provided with a spring (11), the carbon brush collecting ring assembly (8) is sleeved on a shaft of an upper rotor end cover (706) of the inner and outer rotor assemblies (7), and the periphery of the machine base (6) is provided with shutters.

2. The vertical winding permanent magnet coupling speed regulator according to claim 1, characterized in that: the inner and outer rotor assembly (7) is composed of a lower rotor end cover (701), a lower inner bearing (702), an inner permanent magnet rotor (703), an outer winding rotor (704), an outer winding rotor shell (705), an upper rotor end cover (706), an upper inner bearing (707), a winding (708) and an inner locking nut (709), the outer winding rotor shell (705) is fixedly connected with the lower rotor end cover (701) and the upper rotor end cover (706), the inner permanent magnet rotor (703) is rotatably connected with the upper and lower rotor end covers through the lower inner bearing (702) and the upper inner bearing (707), and the lower inner bearing (702) is fixed through the inner locking nut (709) or other modes.

3. The vertical winding permanent magnet coupling speed regulator according to claim 2, characterized in that: the lower inner bearings (702) are angular contact ball bearings and are used in pairs, and the outer winding rotor (704) is sleeved inside the outer winding rotor shell (705).

4. The vertical winding permanent magnet coupling speed regulator according to claim 2, characterized in that: the winding (708) is embedded in the outer winding rotor (704), and the part of the winding (708) extending out of the end part of the outer winding rotor (704) is subjected to potting treatment.

5. The vertical winding permanent magnet coupling speed regulator according to claim 2, characterized in that: the outer portion of the shell of the outer winding rotor (704) is provided with sawtooth-shaped heat dissipation ribs.