CN211018603U

CN211018603U - Motor copper rotor with novel structure

Info

Publication number: CN211018603U
Application number: CN201922281201.4U
Authority: CN
Inventors: 骆淼; 方威; 熊伟; 张志宪; 陈乾来
Original assignee: Zhongkeluorui New Energy Technology Co ltd
Current assignee: Zhongkeluorui New Energy Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-14
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a novel motor copper rotor of structure, copper bar, two end links and two staple bolts including a rotor core, a plurality of quantity, the copper bar is inserted and is established in the rotor core and reserve a head and a tail and expose in rotor core, the end link is the overall structure spare, and it meshes mutually at the both ends of rotor core and the head and the tail of copper bar, and mutual welded fastening between end link and the copper bar, the staple bolt cuff closely laminates with the end link external diameter on the end link. The utility model discloses motor copper rotor's simple structure, end links adopt overall structure, are not conventional layer-stepping, sectional type structure, and convenient assembling has higher assembly efficiency.

Description

Motor copper rotor with novel structure

Technical Field

The utility model relates to an electric motor rotor technical field, more specifically say, especially relate to a motor copper rotor of novel structure.

Background

At present, the copper rotor of an induction motor in the industry is mostly in a structure form of a copper bar and an end ring, and the end ring is usually a conventional layered and sectional type spliced end ring, so that the assembly difficulty and the assembly time are increased during assembly; in addition, the copper bar and the end ring are mainly welded by brazing or laser welding, or are cast into a whole, but the above processing methods have some defects: the brazing efficiency is low, and the risk of insufficient soldering is large; the depth of a laser welding molten pool is low, and the cost is high; the casting process difficulty is high, the defects of internal casting incompetence and air holes are difficult to find, the quality risk is high, the cast copper temperature is high, certain damage can be caused to an insulating coating on the surface of a silicon steel sheet, and the performance of a motor is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide a motor copper rotor of novel structure, this motor copper rotor simple structure conveniently assembles, and the reliability is high.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a motor copper rotor of novel structure, includes a rotor core, the copper bar of a plurality of quantity, two end links and two staple bolts, the copper bar is inserted and is established in the rotor core and reserve a head and a tail and expose in rotor core, the end link is overall structure spare, and it meshes mutually at the both ends of rotor core and the head and the tail of copper bar, and welded fastening each other between end link and the copper bar, the staple bolt cuff closely laminates with the end link external diameter on the end link.

The utility model discloses motor copper rotor's simple structure, end links adopt overall structure, are not conventional layer-stepping, sectional type structure, and convenient assembling has higher assembly efficiency.

Drawings

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

In the figure: 1-a rotor core; 2-copper bar; 3-an end ring; 4-anchor ear.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

As shown in fig. 1, the utility model provides a pair of novel motor copper rotor of structure, copper bar 2, two end links 3 and two staple bolts 4 including a rotor core 1, a plurality of quantity, copper bar 2 is inserted and is established in rotor core 1 and reserve a head and a tail and expose in rotor core 1, end link 3 is the overall structure spare, and its both ends of installing at rotor core 1 mesh with the head and the tail of copper bar 2 mutually, and welded fastening between end link 3 and the copper bar 2, staple bolt 4 cuff closely laminates with 3 external diameters of end link on end link 3.

In the structure of the motor copper rotor, the end ring 3 is extruded by an extrusion die and is formed in one step, and is an integral structural member, which is not a conventional layered and block-type structure, so that the assembly is convenient, and the assembly efficiency is higher; in addition, the end ring 3 is extruded and molded by adopting an extrusion die, only thickness cutting is needed, and the method is suitable for design of series products and has lower cost.

Claims

1. The utility model provides a motor copper rotor of novel structure which characterized in that: the rotor core comprises a rotor core, a plurality of copper bars, two end rings and two anchor ears, wherein the copper bars are inserted into the rotor core, a head is reserved and a tail is reserved and exposed out of the rotor core, the end rings are integral structural members, the end rings are arranged at two ends of the rotor core and meshed with the head and the tail of the copper bars, the end rings and the copper bars are welded and fixed with each other, and the anchor ears are sleeved on the end rings and tightly attached to the outer diameter of the end rings.