CN-224218244-U - Auxiliary propulsion device for rotor core magnetic steel

CN224218244UCN 224218244 UCN224218244 UCN 224218244UCN-224218244-U

Abstract

The utility model discloses a rotor core magnetic steel auxiliary propulsion device which comprises a supporting seat and a propulsion cylinder, wherein the supporting seat comprises a supporting column and a mounting seat, one end of the supporting column is detachably fixed on a flange on the inner wall of a rotor core, the height of the supporting column is larger than that of the rotor core, the mounting seat is fixed at the other end of the supporting column, the distance between the mounting seat and the upper end face of the rotor core is larger than the length of the magnetic steel, the propulsion cylinder is mounted on the mounting seat, and one end of a propulsion rod of the propulsion cylinder is aligned with a core groove of the rotor core of the magnetic steel. The utility model has simple structure and easy operation, and can easily insert the magnetic steel into the core groove, thereby improving the assembly efficiency of the magnetic steel.

Inventors

HUANG JUN
ZHONG WEN
LIU BING
TANG SHENG
LUO XIONG
HUANG LIN

Assignees

湖南中车尚驱电气有限公司

Dates

Publication Date: 20260508
Application Date: 20250428

Claims (10)

1. The auxiliary propulsion device for the magnetic steel of the rotor core is characterized by comprising a supporting seat and a propulsion cylinder, wherein the supporting seat comprises a supporting column and a mounting seat, one end of the supporting column is detachably fixed on a flange on the inner wall of the rotor core, the height of the supporting column is larger than that of the rotor core, the mounting seat is fixedly connected with the other end of the supporting column, the distance between the mounting seat and the upper end face of the rotor core is larger than the length of the magnetic steel, the propulsion cylinder is mounted on the mounting seat and comprises a servo motor and a propulsion rod, and one end of the propulsion rod is aligned with a core groove on the rotor core assembled with the magnetic steel.
2. The auxiliary propulsion device for magnetic steel of rotor core according to claim 1, wherein the core slot is vertically arranged at one side of the rotor core.
3. The auxiliary propulsion device for rotor core magnetic steel according to claim 1, wherein an upper clamping plate and a lower clamping plate are arranged on the outer side of one end, far away from the mounting seat, of the support column, and a clamping groove for mounting the flange of the inner wall of the rotor core is formed between the upper clamping plate and the lower clamping plate.
4. A rotor core magnetic steel auxiliary propulsion device according to claim 3, wherein the flange is arranged perpendicular to the support column.
5. The auxiliary rotor core magnetic steel propulsion device according to claim 3, wherein the upper clamping plate is provided with a vertical threaded through hole, and a fastening bolt is installed at the threaded through hole.
6. The rotor core magnetic steel auxiliary propulsion device according to claim 1, further comprising a propulsion extension assembly for extending the stroke of the propulsion rod, the propulsion extension assembly comprising an extension rod.
7. The auxiliary propulsion device for rotor core magnetic steel according to claim 6, wherein the extension rod is installed between the propulsion rod and the magnetic steel when the propulsion stroke of the propulsion rod is smaller than the insertion depth of the magnetic steel.
8. The auxiliary propulsion device for rotor core magnetic steel according to claim 6, wherein the propulsion extension assembly further comprises a butt joint sleeve, one end of the butt joint sleeve is in butt joint with the propulsion rod, and a sleeve hole capable of being inserted into the extension rod is formed in the other end of the butt joint sleeve.
9. The rotor core magnetic steel auxiliary propulsion device according to claim 1, further comprising a control handle, wherein the control handle is used for controlling the expansion and contraction of the propulsion rod of the electric cylinder.
10. The rotor core magnetic steel auxiliary propulsion device according to claim 9, wherein the control handle is a wired control handle or a wireless control handle.

Description

Auxiliary propulsion device for rotor core magnetic steel Technical Field The utility model belongs to the technical field of permanent magnet motors, and particularly relates to a rotor core magnetic steel auxiliary propulsion device. Background With the development of the motor industry, a large permanent magnet motor gradually becomes the main stream of the industry. In a permanent magnet synchronous motor, a rotor is composed of a permanent magnet, a rotor core, and a rotating shaft. For applications such as large permanent magnet motors, particularly ship motors, because of the need to generate a strong magnetic field to drive the load, the number of magnets mounted on the rotor core is large, about one thousand magnets (long-sheet-shaped permanent magnets), and the size of each magnet is relatively large, and the mass of the magnet is light, so as to ensure sufficient magnetic flux and motor performance. In the process of assembling the magnetic steel, a piece of the magnetic steel is needed to be inserted into the iron core groove manually, and certain magnetic force is needed to be overcome when the magnetic steel is inserted due to the magnetic interaction between the magnetic steel and the iron core. Particularly, when the polarities of the adjacent magnetic steels are the same, the new magnetic steel is inserted, and the new magnetic steel is subjected to huge repulsive force of the adjacent magnetic steel, so that each magnetic steel is difficult to assemble. The traditional method is that the tool is adopted to align the magnetic steel to be assembled with the iron core groove, so that the magnetic steel cannot be skewed, then the upper end of the magnetic steel is cushioned with a wood block, and then the wood block can be inserted into place by manually hammering downwards by a strong force. The patent of prior patent publication No. CN222441499U discloses a rotor magnet steel assembly device, the inner chamber bottom of the installation base is provided with a brake mechanism, the brake mechanism extends to the top of the installation base and is connected with a placement table, two sides of the placement table are symmetrically provided with a limiting mechanism, a brake motor and a brake shaft are adopted as components of a main drive, and a plurality of gears and a brake rod are adopted as components of an auxiliary drive, so that the placement table is regulated with a rotor iron core fixed through a limiting end on the placement table, a magnet steel groove on the placement table is in butt joint with a temporary storage end in sequence, the temporary storage groove is downwards moved with the temporary storage end through the regulating end, the temporary storage groove is in butt joint with a magnet steel groove below, and a pressing block is driven to downwards move by an electrohydraulic push rod, so that the magnet steel in the temporary storage groove enters a magnet steel groove in the rotor iron core, and compared with the magnet steel is arranged, and a large number of magnet steel can be stacked in the temporary storage groove. The patent drives the compact heap through the electrohydraulic push rod and pushes down the magnet steel, but does not mention the accurate positioning mechanism of magnet steel in the temporary storage groove, pushes down the magnet steel in-process, and the device probably leads to magnet steel and core groove to be out of alignment because of lacking the function of rectifying, needs artifical secondary adjustment, leads to the assembly efficiency of magnet steel to reduce. The structure of the device is complex, and the device is difficult to move. Disclosure of utility model The utility model mainly aims at the problems that in the prior art, when magnetic steel is inserted into a rotor iron core, the magnetic steel is needed to overcome certain magnetic force due to the magnetic interaction between the magnetic steel and the iron core, the magnetic steel to be assembled is aligned to an iron core groove by adopting a tool, so that the magnetic steel cannot be skewed, then a buffer wood block is cushioned on the upper end of the magnetic steel, and then the buffer wood block is downwards hammered by manpower, so that the lower part of the buffer wood block can be inserted into place. The auxiliary propelling device for the magnetic steel of the rotor core comprises a supporting seat and a propelling cylinder, wherein the supporting seat comprises a supporting column and a mounting seat, one end of the supporting column is detachably fixed on a flange on the inner wall of the rotor core, the height of the supporting column is larger than that of the rotor core, the mounting seat is fixedly connected with the other end of the supporting column, the distance between the mounting seat and the upper end face of the rotor core is larger than that of the magnetic steel, the magnetic steel is not interfered by the mounting seat when the magnetic steel is