CN212114929U

CN212114929U - Switched reluctance motor rotor with fan blades

Info

Publication number: CN212114929U
Application number: CN202021153286.4U
Authority: CN
Inventors: 朱琳琳; 阎明; 王志伟; 刘伟; 李景
Original assignee: RONGCHENG RONGJIA POWER CO Ltd
Current assignee: RONGCHENG RONGJIA POWER CO Ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2020-12-08
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a switched reluctance motor rotor with fan blades, including main shaft and block mechanism, the both ends of main shaft all are provided with the installation bearing, the main shaft is provided with the flabellum in the one side that the installation bearing kept away from the main shaft middle, block mechanism sets up on the main shaft, block mechanism comprises a plurality of first draw-in groove, a plurality of first tooth piece, a plurality of second tooth piece, go-between, a plurality of second draw-in groove and a plurality of stop nut, be provided with a plurality of first draw-in groove on the lateral surface of main shaft between the installation bearing; the utility model discloses simple structure, reasonable in design can avoid appearing not hard up phenomenon between long-time in-process winding iron core and the pivot, guarantees winding iron core and main shaft connection that can be reliable, protects and increases the life of rotor, improves the radiating effect through the area of contact who increases with the air simultaneously, further improves the life of rotor.

Description

Switched reluctance motor rotor with fan blades

Technical Field

The utility model belongs to the technical field of electrical equipment, concretely relates to take switched reluctance motor rotor of fan leaf

Background

The Switched Reluctance Motor (SRM) is a component for realizing electromechanical energy conversion, is a double salient pole variable reluctance motor, generally, salient poles of a stator and a rotor of the SRM are formed by laminating common silicon steel sheets, the rotor has no winding or permanent magnet, a concentrated winding is wound on the stator pole, two opposite radial windings are connected together and are called as 'one phase', the switched reluctance motor can be designed into structures with various different phase numbers, the pole numbers of the stator and the rotor have various different collocation, and the switched reluctance motor is widely applied to various fields of electric vehicle driving, general industry, household appliances, textile machinery and the like.

The defects of the prior art are as follows:

the rotor causes the phenomenon that looseness appears between winding iron core and the pivot easily at long-time in-process of use to cause the damage of rotor, shortened the life of rotor, simultaneously because the air can't circulate effectively, lead to the radiating effect poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take switched reluctance motor rotor of fan leaf to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a switched reluctance motor rotor with fan blades comprises a main shaft and a clamping mechanism, wherein mounting bearings are arranged at two ends of the main shaft, fan blades are arranged on one side, far away from the middle of the main shaft, of the mounting bearings on the main shaft, the clamping mechanism is arranged on the main shaft and comprises a plurality of first clamping grooves, a plurality of first tooth blocks, a plurality of second tooth blocks, connecting rings, a plurality of second clamping grooves and a plurality of limiting nuts, the plurality of first clamping grooves are formed in the outer side surface of the main shaft between the mounting bearings, the plurality of first tooth blocks are arranged in the first clamping grooves on the outer side surface of the main shaft, the second tooth blocks are connected in the first clamping grooves in a sliding mode, the connecting rings are arranged on the outer side surfaces of the second tooth blocks, the plurality of second clamping grooves are arranged on the connecting rings, and are connected with the first tooth blocks in a sliding mode, the spindle is characterized in that limiting nuts are connected to two sides of the connecting ring through external threads, a plurality of connecting columns are arranged on the outer side face of the connecting ring, an iron core is arranged at the other end of each connecting column, and a plurality of radiating fins are arranged on the inner side wall of the iron core and are wave-shaped.

Preferably, a cavity is arranged in the main shaft, and a support frame is arranged in the cavity of the main shaft.

Preferably, limiting rods are arranged on the outer side face of the main shaft and on two sides of the mounting bearing and the fan blades.

Preferably, a nitrile rubber pad is arranged inside the first clamping groove and the second clamping groove.

Preferably, both sides of the connecting ring are provided with grooves matched with the limiting nuts.

Preferably, a metal gasket is arranged on the side face of the limiting nut close to one side of the iron core.

Preferably, the number of the connecting columns is at least four.

Preferably, a plurality of through holes are formed in the heat dissipation plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a be provided with block mechanism, block mechanism sets up on the main shaft, and block mechanism comprises a plurality of first draw-in groove, a plurality of first tooth piece, a plurality of second tooth piece, go-between, a plurality of second draw-in groove and a plurality of stop nut, through the effect of block mechanism, can avoid appearing not hard up phenomenon between winding iron core and the pivot in the long-time use process, guarantees that winding iron core and main shaft can reliable be connected, protects and increases the life of rotor;

(2) the utility model discloses a be provided with a plurality of spliced pole on the lateral surface of go-between, the other end of spliced pole is provided with the iron core, is provided with a plurality of fin on the inside wall of iron core, and the fin sets up to the wave, through the connection and the fin of spliced pole, increases the area of contact with the air and improves the radiating effect, further improves the life of rotor.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a side view of the stop nut of the present invention;

FIG. 3 is a schematic view of the mounting structure of the engaging mechanism of the present invention;

fig. 4 is a longitudinal sectional view of the spindle of the present invention;

fig. 5 is a side view of the heat sink of the present invention.

In the figure: 1. a main shaft; 101. mounting a bearing; 102. a cavity; 103. a support frame; 104. a limiting rod; 2. a clamping mechanism; 21. a first card slot; 211. a nitrile rubber pad; 22. a first tooth block; 23. a second tooth block; 24. a connecting ring; 25. a second card slot; 26. a limit nut; 261. a metal gasket; 3. a fan blade; 4. connecting columns; 5. an iron core; 6. a heat sink; 61. and a through hole.

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. 1-5, the present invention provides a technical solution of a switched reluctance motor rotor with fan blades: a switched reluctance motor rotor with fan blades comprises a main shaft 1 and a clamping mechanism 2, wherein mounting bearings 101 are respectively mounted at two ends of the main shaft 1, fan blades 3 are mounted on one side, far away from the middle of the main shaft 1, of the mounting bearings 101 on the main shaft 1, the clamping mechanism 2 is mounted on the main shaft 1 and comprises a plurality of first clamping grooves 21, a plurality of first tooth blocks 22, a plurality of second tooth blocks 23, a connecting ring 24, a plurality of second clamping grooves 25 and a plurality of limiting nuts 26, the plurality of first clamping grooves 21 are formed between the mounting bearings 101 on the outer side surface of the main shaft 1, the plurality of first tooth blocks 22 are welded between the first clamping grooves 21 on the outer side surface of the main shaft 1, the second tooth blocks 23 are slidably connected inside the first clamping grooves 21, the connecting ring 24 is welded on the outer side surface of the second tooth blocks 23, the plurality of second clamping grooves 25 are formed on the connecting ring 24, and the second clamping grooves 25 are slidably connected with the first tooth blocks 22, all there is stop nut 26 in the both sides of go-between 24 on main shaft 1 through seting up external screw thread connection, and the welding has a plurality of spliced pole 4 on the lateral surface of go-between 24, and the other end welding of spliced pole 4 has iron core 5, and the welding has a plurality of fin 6 on the inside wall of iron core 5, and fin 6 sets up to the wave.

In this embodiment, preferably, a cavity 102 is formed in the main shaft 1, and the support frame 103 is welded in the cavity 102 of the main shaft 1, so that the weight of the main shaft 1 is reduced, and the strength of the main shaft 1 is ensured.

In this embodiment, preferably, the limiting rods 104 are welded on the outer side surface of the main shaft 1 on both sides of the mounting bearing 101 and the fan blade 3, which is beneficial to limiting the positions of the mounting bearing 101 and the fan blade 3 and increasing the strength of the outer side surface of the main shaft 1.

In this embodiment, preferably, a nitrile rubber pad 211 is thermally welded inside the first engaging groove 21 and the second engaging groove 25, which is beneficial to increasing the wear-resistant and heat-resistant effects.

In this embodiment, preferably, both sides of the connection ring 24 are provided with grooves matched with the limit nut 26, which is beneficial to conveniently screwing the limit nut 26.

In this embodiment, preferably, a metal washer 261 is installed on a side surface of the limit nut 26 close to the iron core 5, which is beneficial to ensuring that the limit nut 26 can be tightened.

In this embodiment, it is preferable that the number of the connecting posts 4 is at least four, which is beneficial to increase the stability between the connecting ring 24 and the iron core 5.

In this embodiment, preferably, the heat sink 6 is provided with a plurality of through holes 61, which is beneficial to increase the heat dissipation effect.

The utility model discloses a theory of operation and use flow: in the device, be provided with block mechanism 2, block mechanism 2 comprises a plurality of first draw-in groove 21, a plurality of first tooth piece 22, a plurality of second tooth piece 23, go-between 24, a plurality of second draw-in groove 25 and a plurality of stop nut 26, block through a plurality of first draw-in groove 21 and a plurality of second tooth piece 23, the block of a plurality of second draw-in groove 25 and a plurality of first tooth piece 22, even partial position receives wearing and tearing, also can reliably connect between main shaft 1 and the go-between 24, can avoid appearing not hard up phenomenon between long-time in-process iron core 5 and the main shaft 1, guarantee iron core 5 and main shaft 1 can reliably be connected, protect and increase the life of rotor, simultaneously through the connection of spliced pole 4 and fin 6, increase the area of contact with the air and improve the radiating effect, further improve the life of rotor.

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. The utility model provides a take switched reluctance motor rotor of fan leaf, includes main shaft (1) and block mechanism (2), its characterized in that: the fan blade clamping mechanism is characterized in that mounting bearings (101) are arranged at two ends of the main shaft (1), fan blades (3) are arranged on one side, far away from the middle of the main shaft (1), of the mounting bearings (101) on the main shaft (1), the clamping mechanism (2) is arranged on the main shaft (1), the clamping mechanism (2) is composed of a plurality of first clamping grooves (21), a plurality of first tooth blocks (22), a plurality of second tooth blocks (23), a connecting ring (24), a plurality of second clamping grooves (25) and a plurality of limiting nuts (26), a plurality of first clamping grooves (21) are arranged between the mounting bearings (101) on the outer side surface of the main shaft (1), a plurality of first tooth blocks (22) are arranged between the first clamping grooves (21) on the outer side surface of the main shaft (1), the second tooth blocks (23) are connected to the inner portion of the first clamping grooves (21) in a sliding mode, and the connecting ring (24) are arranged on the outer side surface of the second tooth blocks, be provided with a plurality of second draw-in groove (25) on go-between (24), second draw-in groove (25) and first tooth piece (22) sliding connection, all there is stop nut (26) in the both sides of go-between (24) through seting up external screw thread connection on main shaft (1), be provided with a plurality of spliced pole (4) on the lateral surface of go-between (24), the other end of spliced pole (4) is provided with iron core (5), be provided with a plurality of fin (6) on the inside wall of iron core (5), fin (6) set up to the wave.

2. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: a cavity (102) is formed in the main shaft (1), and a supporting frame (103) is arranged in the cavity (102) of the main shaft (1).

3. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: and limiting rods (104) are arranged on the outer side surface of the main shaft (1) on two sides of the mounting bearing (101) and the fan blade (3).

4. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: and a butadiene-acrylonitrile rubber pad (211) is arranged inside the first clamping groove (21) and the second clamping groove (25).

5. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: and grooves matched with the limiting nuts (26) are formed in the two sides of the connecting ring (24).

6. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: and a metal gasket (261) is arranged on the side surface of the limiting nut (26) close to one side of the iron core (5).

7. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: the number of the connecting columns (4) is at least four.

8. The rotor of a switched reluctance motor with fan blades as claimed in claim 1, wherein: the radiating fin (6) is provided with a plurality of through holes (61).