CN209930109U

CN209930109U - Permanent magnet motor stator and rotor assembly device

Info

Publication number: CN209930109U
Application number: CN201921133421.6U
Authority: CN
Inventors: 李建林; 王宁
Original assignee: SHANXI HUAXIN TUKE MOTOR DRIVE Co Ltd
Current assignee: SHANXI HUAXIN TUKE MOTOR DRIVE Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-01-10
Anticipated expiration: 2029-07-18

Abstract

A permanent magnet motor stator and rotor assembly device comprises a hoisting device, a connecting rod, a non-driving end bearing, a non-driving end cover, a rotor, a guide sleeve, a stator, a machine base, a driving end cover, a driving end bearing and a positioning base; the connecting rod is arranged on the hoisting equipment; the upper end of the rotor is connected with the lower end of the connecting rod through a non-drive end bearing; the non-driving end bearing is rotatably arranged on the non-driving end cover; the lower end of the rotor extends into the base through the guide sleeve and is connected with the base; the stator is arranged on the base and positioned at the periphery of the rotor; the driving end bearing is arranged on the driving end cover; the positioning base is arranged below the end cover of the driving end and is connected with the engine base through the bearing of the driving end. The utility model discloses a vertical mounting means carries out effective fixed to stator, rotor, prevents it to take place radial displacement, can improve assembly quality, is a permanent-magnet machine stator-rotor assembly quality that relative economy, reduction intensity of labour, commonality are better, operation safety, assembly efficiency are high.

Description

Permanent magnet motor stator and rotor assembly device

Technical Field

The utility model relates to a permanent-magnet machine assembles the field, especially relates to a permanent-magnet machine stator-rotor assembly quality.

Background

The permanent magnet motor has the advantages of small energy loss, high efficiency, small volume and weight of the whole machine under the same condition, and wide application. The main difficulty in the manufacturing process is that the stator and the rotor are assembled, the rotor part of the stator and the rotor is usually made of permanent magnet materials, and the permanent magnet has large attraction force on the stator, so that the stator and the rotor are prevented from being adsorbed together in the assembling process, and a series of consequences such as magnetic steel fragmentation, surface scratch, difficult separation and the like are caused. The most simple method is to pad a pressing strip or an arc plate made of nonmagnetic material between the air gaps of the stator and the rotor and then assemble an end cover and a bearing. After the assembly is finished, the pressing strip or the arc-shaped plate is taken out through a special gap reserved on the end cover, and the method has the advantages of high labor intensity and low production efficiency.

In order to solve the problem, the application provides a permanent magnet motor stator and rotor assembling device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a permanent-magnet machine stator-rotor assembly quality, the utility model discloses a vertical mounting means through lifting by crane equipment, connecting rod, non-drive end bearing, non-drive end cover, guide pin bushing, frame, drive end cover, drive end bearing and location base cooperation, effectively fixes stator, rotor, prevents that it from taking place radial displacement, can improve the assembly quality, is a relative economy, reduces intensity of labour, the commonality is better, operation safety, permanent-magnet machine stator-rotor assembly quality that assembly efficiency is high.

(II) technical scheme

In order to solve the problems, the utility model provides a permanent magnet motor stator and rotor assembly device, which comprises a hoisting device, a connecting rod, a non-driving end bearing, a non-driving end cover, a rotor, a guide sleeve, a stator, a machine base, a driving end cover, a driving end bearing and a positioning base; the connecting rod is arranged on the hoisting equipment; the upper end of a rotating shaft of the rotor is connected with the lower end of the connecting rod through a non-driving end bearing; the non-driving end bearing is rotatably arranged on the non-driving end cover; the lower end of a rotating shaft of the rotor extends into the base through a guide sleeve and is connected with the base; the stator is arranged on the base and positioned at the periphery of the rotor; the driving end bearing is arranged on the driving end cover; the positioning base is arranged below the end cover of the driving end and is connected with the engine base through the bearing of the driving end.

Preferably, the hoisting equipment is a hydraulic hoist.

Preferably, the driving end cover is provided with a spigot.

Preferably, the driving end cover is connected with the positioning base through a screw rod and a fixing plate and a nut.

Preferably, the machine base is provided with a guide hole.

Preferably, the rotor and the guide sleeve enter the machine base through the guide hole.

Preferably, the positioning base comprises a track, a moving platform and a positioning tool.

The above technical scheme of the utility model has following profitable technological effect:

the utility model discloses a vertical mounting means, through lifting by crane equipment, connecting rod, non-drive end bearing, non-drive end cover, guide pin bushing, frame, drive end cover, drive end bearing and positioning base cooperation, effectively fix stator, rotor, prevent that it from taking place radial displacement, can improve the assembly quality, be a permanent-magnet machine stator-rotor assembly quality that relative economy, reduction intensity of labour, commonality are better, operation safety, assembly efficiency are high.

Drawings

Fig. 1 is the utility model provides a permanent-magnet machine stator-rotor assembly quality's schematic structure diagram.

Reference numerals: 1. hoisting equipment; 2. a connecting rod; 3. a non-drive end bearing; 4. a non-drive end cap; 5. a rotor; 6. a guide sleeve; 7. a stator; 8. a drive end cap; 9. a drive end bearing; 10. and (5) positioning the base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a permanent magnet motor stator and rotor assembly device, including lifting equipment 1, connecting rod 2, non-drive end bearing 3, non-drive end cover 4, rotor 5, guide housing 6, stator 7, frame, drive end cover 8, drive end bearing 9 and location base 10; the connecting rod 2 is arranged on the hoisting equipment 1; the upper end of a rotating shaft of the rotor 5 is connected with the lower end of the connecting rod 2 through a non-driving end bearing 3; the non-driving end bearing 3 is rotationally arranged on the non-driving end cover 4; the lower end of the rotating shaft of the rotor 5 extends into the base through the guide sleeve 6 and is connected with the base; the stator 7 is arranged on the base and positioned at the periphery of the rotor 5; the drive end bearing 9 is arranged on the drive end cover 8; the positioning base 10 is arranged below the driving end cover 8 and is connected with the engine base through the driving end bearing 9.

In an alternative embodiment, the hoisting device 1 is a hydraulic hoist.

In an alternative embodiment, the end cap 8 is provided with a spigot.

In an alternative embodiment, the driving end cap 8 and the positioning base 10 are connected with a nut through a screw and a fixing plate.

In an alternative embodiment, the housing is provided with guide holes.

In an alternative embodiment, the rotor 5, the guide sleeve 6, enter the housing through the guide holes.

In an alternative embodiment, the positioning base 10 includes a rail, a moving platform, and a positioning tool.

The permanent magnet motor stator and rotor assembling device comprises the following assembling steps:

s1, installing the rotor 5, the non-driving end bearing 3, the non-driving end cover 4 and accessory parts thereof;

s2, installing a guide sleeve 6 at the lower end of the rotor 5, placing the installed part on the positioning base 10 and moving the part below the lifting equipment 1, then descending the connecting rod 2, fixing the upper end of the rotating shaft of the rotor 5 and the connecting rod 2 by using a flange, and then lifting the hydraulic lifting equipment 1;

s3, assembling the stator 7 with the driving end cover 8 and the driving end bearing 9, enabling the driving end of the stator 7 to face downwards and to be positioned radially through a seam allowance on the driving end cover 8, and enabling the driving end cover 8 to be matched with a nut through a screw rod and a fixing plate and to be fixed on the positioning base 10;

s4, moving the positioning base 10 to the lower part of the hoisting equipment 1, adjusting the stator 7 to enable the circle center of the inner circle of the stator to be on the same straight line with the axial center line of the rotor 5, and fixing the positioning base 10;

s5, descending the rotor 5, observing that the guide sleeve 6 enters a guide hole on the base at the moment, and continuously descending the rotor 5, wherein the upper part and the lower part of the rotor 5 are radially positioned at the moment so as to ensure that the stator 7 and the rotor 5 cannot move;

s6, after the rotor 5 descends to a designated position, connecting and fastening the non-driving end cover 4 and the machine base by using a bolt, and detaching the guide sleeve 6;

and S7, disassembling a fixing screw rod between the base and the positioning base 10, installing the driving end cover 8 and other parts, and completing the assembly of the whole machine.

The utility model discloses a vertical mounting means, through lifting by crane equipment 1, connecting rod 2, non-drive end bearing 3, non-drive end cover 4, uide bushing 6, frame, drive end cover 8, drive end bearing 9 and location base 10 cooperation, effectively fix stator 7, rotor 5, prevent it to take place radial displacement, can improve the assembly quality, be one kind relative economy, reduce intensity of labour, the commonality is better, the operation is safe, assembly efficiency is high permanent-magnet machine decides rotor assembly quality.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A permanent magnet motor stator and rotor assembling device is characterized by comprising a hoisting device (1), a connecting rod (2), a non-driving end bearing (3), a non-driving end cover (4), a rotor (5), a guide sleeve (6), a stator (7), a machine base, a driving end cover (8), a driving end bearing (9) and a positioning base (10);

the connecting rod (2) is arranged on the hoisting equipment (1); the upper end of a rotating shaft of the rotor (5) is connected with the lower end of the connecting rod (2) through a non-driving end bearing (3); the non-driving end bearing (3) is rotationally arranged on the non-driving end cover (4); the lower end of a rotating shaft of the rotor (5) extends into the base through a guide sleeve (6) and is connected with the base; the stator (7) is arranged on the base and positioned at the periphery of the rotor (5); the driving end bearing (9) is arranged on the driving end cover (8); the positioning base (10) is arranged below the driving end cover (8) and is connected with the engine base through a driving end bearing (9).

2. The permanent magnet motor stator and rotor assembling device according to claim 1, wherein the hoisting equipment (1) is a hydraulic hoisting machine.

3. The permanent magnet motor stator and rotor assembling device is characterized in that a spigot is arranged on the driving end cover (8).

4. The permanent magnet motor stator and rotor assembling device is characterized in that the driving end cover (8) and the positioning base (10) are connected with the nut through a screw rod and a fixing plate.

5. The permanent magnet motor stator and rotor assembling apparatus of claim 1, wherein the housing is provided with a guide hole.

6. A permanent magnet motor stator and rotor assembling device according to claim 5, characterized in that the rotor (5) and the guide sleeve (6) enter the machine base through the guide hole.

7. The permanent magnet motor stator and rotor assembling device according to claim 1, wherein the positioning base (10) comprises a track, a moving platform and a positioning tool.