CN217307363U

CN217307363U - Permanent magnet motor rotor for asynchronous motor

Info

Publication number: CN217307363U
Application number: CN202221292619.0U
Authority: CN
Inventors: 李海彪
Original assignee: Zhejiang Haoting Electronic Technology Co Ltd
Current assignee: Zhejiang Haoting Electronic Technology Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-26
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to an asynchronous machine technical field just discloses a permanent-magnet machine rotor for asynchronous machine, which comprises a rotating shaft, rotor core has been cup jointed in the side surface activity of pivot, rotor winding has been cup jointed in rotor core's side surface activity, the equal fixedly connected with short circuit ring in the left and right sides of rotor winding, two the equal swing joint of opposite side of short circuit ring has the location lid, two the equal swing joint in one side that the location lid carried on the back mutually has fixation nut. This a permanent-magnet machine rotor for asynchronous machine through setting up location lid, arch, square groove, recess, first circular slot and second circular slot, installs the location lid respectively in the outside of two short circuit rings, makes the relative one side of two location lids contact with rotor core's the left and right sides respectively, fixes a position rotor core's position to both ends cooperate with the first circular slot fit of two location lids respectively about the pivot, and rotor inner structure is compact, has improved the installation effect of rotor.

Description

Permanent magnet motor rotor for asynchronous motor

Technical Field

The utility model relates to an asynchronous machine technical field specifically is a permanent-magnet machine rotor for asynchronous machine.

Background

The asynchronous motor is an alternating current motor which generates electromagnetic torque by interaction of an air gap rotating magnetic field and induction current of a rotor winding, thereby realizing conversion of electromechanical energy into mechanical energy. The rotor of the asynchronous motor mainly comprises a rotating shaft, a rotor core and a rotor winding, but certain gaps exist among the rotating shaft, the rotor core and the rotor winding in an assembling and matching mode, so that the installation of the rotor is not compact enough, and the installation effect of the rotor is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a permanent-magnet machine rotor for asynchronous machine possesses advantages such as clearance fit, compact structure and installation effectiveness are good, and the equipment cooperation of having solved between pivot, rotor core and the rotor winding has certain gap, leads to the installation of rotor not compact enough, has reduced the problem of rotor installation effect.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a permanent-magnet machine rotor for asynchronous machine, includes the pivot, rotor core has been cup jointed in the side surface activity of pivot, rotor winding has been cup jointed in rotor core's side surface activity, the equal fixedly connected with short circuit ring in the left and right sides of rotor winding, two the equal swing joint of opposite side of short circuit ring has the location lid, two the equal swing joint in one side that the location lid was carried on the back mutually has fixation nut, two the equal threaded connection in fixation nut's inside has the screw rod, two the one end that the screw rod is relative respectively with two one side fixed connection that the short circuit ring was carried on the back mutually, two one side that the location lid is relative respectively with the left and right sides counterbalance of rotor core.

Preferably, the side surface of the rotating shaft is provided with two protrusions, the inner top wall and the inner bottom wall of the rotor core are provided with square grooves, the two protrusions are respectively matched with the insides of the two square grooves, and the two protrusions on the surface of the rotating shaft are respectively matched with the two square grooves in the rotor core, so that the rotating shaft and the rotor core can rotate together conveniently.

Preferably, the side surface of the rotor core is provided with a groove, the inner side wall of the rotor winding is matched with the side surface of the rotating core, and the rotor core and the rotor winding can rotate together conveniently through the structural matching of the inner side wall of the rotor winding and the surface of the rotor core.

Preferably, the left side and the right side of rotor core are respectively inserted with the inside activity of two short circuit rings, two one side that the location lid is relative is respectively inserted with the inside activity of two short circuit rings, and one side that two location lids are relative contacts with the left and right sides of rotor core respectively, can fix a position rotor core's position.

Preferably, two first circular slots have all been seted up to the center department of one side that the locating cover carried on the back mutually, both ends are pegged graft with the inside activity of two first circular slots respectively about the pivot, and both ends cooperate with the first circular slots fit of two locating covers respectively about through the pivot, pivot surface structure is compact.

Preferably, two the second circular slot has all been seted up in the center department of the relative one side of location lid, bellied left and right sides respectively with the inside swing joint of two second circular slots, lie in the second circular slot through the arch, can fix a position the position of countershaft.

Compared with the prior art, the utility model provides a permanent-magnet machine rotor for asynchronous machine possesses following beneficial effect:

1. this a permanent-magnet machine rotor for asynchronous machine, through setting up location lid, arch, square groove, recess, first circular slot and second circular slot, install the location lid respectively in the outside of two short circuit rings, make the relative one side of two location lids contact with rotor core's the left and right sides respectively, fix a position rotor core's position to both ends cooperate with the first circular slot of two location lids respectively about the pivot, rotor inner structure is compact, has improved the installation effect of rotor.

2. This a permanent-magnet machine rotor for asynchronous machine through setting up fixation nut and screw rod, is in the same place by two location lids and two short circuit ring installations, makes inside pivot and rotor core installation fixed, need not set up the mounting hole groove again on pivot surface and rotor core one side, and the installation of rotor is easy and simple to handle, the quick installation of the rotor of being convenient for.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

fig. 3 is a side view of the rotor core structure of the present invention.

Wherein: 1. a rotating shaft; 2. a rotor core; 3. a rotor winding; 4. a short circuit ring; 5. a positioning cover; 6. fixing a nut; 7. a screw; 8. a protrusion; 9. a square groove; 10. a groove; 11. a first circular groove; 12. a second circular groove.

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.

Referring to fig. 1-3, a permanent magnet motor rotor for an asynchronous motor comprises a rotating shaft 1, a rotor core 2 is movably sleeved on a side surface of the rotating shaft 1, two protrusions 8 are arranged on the side surface of the rotating shaft 1, square grooves 9 are formed on an inner top wall and an inner bottom wall of the rotor core 2, the two protrusions 8 are respectively matched with the insides of the two square grooves 9, a rotor winding 3 is movably sleeved on the side surface of the rotor core 2, a groove 10 is formed on the side surface of the rotor core 2, the inner side wall of the rotor winding 3 is matched with the side surface of the rotor core 2, short-circuit rings 4 are fixedly connected to the left side and the right side of the rotor winding 3, positioning covers 5 are respectively and movably connected to the other sides of the two short-circuit rings 4, first circular grooves 11 are formed in centers of opposite sides of the two positioning covers 5, the left end and the right end of the rotating shaft 1 are respectively and movably inserted into the insides of the two first circular grooves 11, the center of one opposite side of the two positioning covers 5 is provided with second circular grooves 12, the left side and the right side of each bulge 8 are respectively movably connected with the interiors of the two second circular grooves 12, one opposite side of the two positioning covers 5 is movably connected with a fixing nut 6, the interiors of the two fixing nuts 6 are respectively in threaded connection with screw rods 7, the number of the screw rods 7 is twelve, every six screw rods 7 form a group, the six screw rods 7 of each group are distributed in an annular array by taking the center of a circle outside the short circuit ring 4 as the center, the opposite ends of the two screw rods 7 are respectively fixedly connected with one opposite side of the two short circuit rings 4, the fixing nuts 6 and the screw rods 7 are arranged, the two positioning covers 5 and the two short circuit rings 4 are arranged together, so that the internal rotating shaft 1 and the rotor iron core 2 are fixedly arranged, no mounting hole grooves are required to be formed on the surface of the rotating shaft 1 and one side of the rotor iron core 2, the mounting operation of the rotor is simple and convenient, and rapid mounting of the rotor is convenient, the left and right sides of rotor core 2 is pegged graft with the inside activity of two short circuit rings 4 respectively, one side that two location lids 5 are relative offsets with the left and right sides of rotor core 2 respectively and holds, set up location lid 5, arch 8, square groove 9, recess 10, first circular slot 11 and second circular slot 12, install location lid 5 respectively in the outside of two short circuit rings 4, make the relative one side of two location lids 5 contact with the left and right sides of rotor core 2 respectively, fix a position rotor core 2's position, and both ends respectively with the first circular slot 11 fit of two location lids 5 about pivot 1, the rotor inner structure is compact, the installation effect of rotor has been improved.

When the rotor is used, the positioning covers 5 are respectively installed on the outer sides of the two short circuit rings 4, the opposite sides of the two positioning covers 5 are respectively contacted with the left side and the right side of the rotor core 2, the position of the rotor core 2 is positioned, the left end and the right end of the rotating shaft 1 are respectively matched with the first circular grooves 11 of the two positioning covers 5, the position of the rotating shaft 1 in the rotor core 2 is positioned, the internal rotating shaft 1 and the rotor core 2 are fixedly installed, installation hole grooves do not need to be formed in the surface of the rotating shaft 1 and one side of the rotor core 2, installation and fixation between the rotating shaft 1 and the rotor core 2 and a rotor winding 3 can be completed, and the permanent magnet motor rotor for the asynchronous motor is simple and convenient in installation operation, compact in internal structure of the rotor, and the installation effect of the rotor is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A permanent-magnet machine rotor for asynchronous machines, comprising a rotating shaft (1), characterized in that: rotor core (2) have been cup jointed in the side surface activity of pivot (1), rotor winding (3) have been cup jointed in the side surface activity of rotor core (2), the equal fixedly connected with short circuit ring (4) in the left and right sides of rotor winding (3), two the equal swing joint of opposite side of short circuit ring (4) has location lid (5), two the equal swing joint in one side that location lid (5) carried on the back mutually has fixation nut (6), two the equal threaded connection in inside of fixation nut (6) has screw rod (7), two the one end that screw rod (7) is relative respectively with two one side fixed connection that short circuit ring (4) carried on the back mutually, two one side that location lid (5) is relative offsets with the left and right sides of rotor core (2) respectively.

2. A permanent magnet machine rotor for an asynchronous machine according to claim 1, characterized in that: the side surface of pivot (1) is provided with two arch (8), square groove (9) have all been seted up to the interior roof and the interior diapire of rotor core (2), two arch (8) respectively with the inside looks adaptation of two square groove (9).

3. A permanent magnet machine rotor for an asynchronous machine according to claim 1, characterized in that: a groove (10) is formed in the side surface of the rotor core (2), and the inner side wall of the rotor winding (3) is matched with the side surface of the rotor core (2).

4. A permanent magnet machine rotor for an asynchronous machine according to claim 1, characterized in that: the left side and the right side of the rotor core (2) are respectively movably inserted into the two short circuit rings (4), and one side, opposite to the positioning cover (5), of the positioning cover is respectively movably inserted into the two short circuit rings (4).

5. A permanent magnet machine rotor for an asynchronous machine according to claim 1, characterized in that: two first circular slots (11) have all been seted up in the center department of one side that the back of the body is mutually covered (5), both ends are pegged graft with the inside activity of two first circular slots (11) respectively about pivot (1).

6. A permanent magnet machine rotor for an asynchronous machine according to claim 2, characterized in that: two second circular grooves (12) are formed in the center of one side, opposite to the positioning cover (5), of the positioning cover, and the left side and the right side of the protrusion (8) are movably connected with the inner portions of the two second circular grooves (12) respectively.