CN212323922U

CN212323922U - Generator that operational reliability is high

Info

Publication number: CN212323922U
Application number: CN202021413106.1U
Authority: CN
Inventors: 周永刚
Original assignee: Foshan Leadtech Electric Co ltd
Current assignee: Foshan Leadtech Electric Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-01-08
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a generator that operational reliability is high, which comprises a housin, stator and rotor, the preceding fixedly connected with front end housing of casing, the back fixedly connected with rear end housing of casing, the stator is connected with the internal surface fixed connection of casing, the both ends of stator closely laminate has the stopper, stopper and casing fixed connection, the rotor is by the connection pad, connecting rod and arc seat are constituteed, be provided with the shaft hole on the connection pad, be connected with the pivot on the shaft hole, the side fixedly connected with several connecting rod of connection pad, connecting rod and arc seat fixed connection, around being equipped with the enameled wire on the connecting rod, the surface bonding of arc seat has the iron core, the arc seat be provided with the lug on the surface, be provided with the water conservancy diversion hole on the connection pad, install the flabell. When the rotating shaft rotates at a high speed, the limiting block can ensure that the stator is fixed; through the setting of water conservancy diversion hole, flabellum and louvre, the utility model discloses can be fast with the heat effluvium of inside production.

Description

Generator that operational reliability is high

Technical Field

The utility model relates to a generator technical field specifically relates to a generator that operational reliability is high.

Background

Electric energy is one of the most important energy sources in modern society, a generator is mechanical equipment for converting energy sources in other forms into electric energy, and the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator is internally provided with a stator and a rotor, and the rotor mainly comprises a rotating shaft, an iron core and an enameled wire winding.

When the rotating shaft rotates at a high speed, the rotor can generate a large amount of heat, and the conventional generator lacks auxiliary heat dissipation measures; the stator of the generator is fixed in the casing by adopting an interference method, when the interference is too large, a hot jacket method is used, namely, the principle of expansion with heat and contraction with cold is utilized, the stator is placed at a low temperature to be cooled and reduced, the casing is heated to be expanded, and the stator is fixed in the casing by utilizing large interference tolerance. However, for a high-speed generator, the high-speed generator often works in various comprehensive environments such as high-low temperature alternation, large vibration, high altitude and the like, and the motor works in complex working environments such as temperature change, vibration, uncertain air pressure and the like for a long time, so that the reliability of a hot jacket fixing method is reduced to a certain extent, a stator is loosened, and the normal use of the generator is influenced.

Therefore, it is necessary to provide a generator with high operational reliability, aiming at solving the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a generator that operational reliability is high to solve the problem that exists among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a generator with high working reliability comprises a shell, a stator and a rotor, wherein a front end cover is fixedly connected to the front of the shell, a rear end cover is fixedly connected to the rear of the shell, the stator and the rotor are arranged in the shell, the stator is fixedly connected with the inner surface of the shell, two ends of the stator are tightly attached to limit blocks, the limit blocks are fixedly connected with the shell, the rotor comprises a connecting disc, a connecting rod and an arc-shaped seat, a shaft hole is formed in the connecting disc, a rotating shaft is connected onto the shaft hole, a plurality of connecting rods are fixedly connected to the side surfaces of the connecting disc, the connecting rods are fixedly connected with the arc-shaped seat, an enameled wire is wound on each connecting rod, an iron core is bonded on the surface of the arc-shaped seat, a convex block is arranged on the surface of the arc-shaped seat, a flow guide hole, the bearing is coaxially connected with the rotating shaft.

As a further scheme of the utility model, be provided with the keyway on the connection pad, the keyway makes the pivot more firm, several of connecting the connecting rod is circumference array distribution about the central line of connection pad, the space intercommunication that the water conservancy diversion hole formed between with the connecting rod, the circulation of air of being convenient for dispels the heat with higher speed.

As a further scheme of the utility model, fixed mounting has the collecting ring in the pivot, the coaxial fixedly connected with band pulley of the end that stretches out of pivot, the internal fixed surface of casing is connected with the brush, the flabellum is located the inside of casing.

As a further scheme of the utility model, the below of casing is provided with the mount pad, and the casing is connected through several buffering posts with the mount pad.

As a further scheme of the utility model, the buffering post comprises fixed column, spring and slip post, the lower extreme and the mount pad fixed connection of fixed column, the upper surface of fixed column are provided with the blind hole, install the spring in the blind hole, the lateral wall sliding fit of blind hole is connected with the slip post.

As a further scheme of the utility model, the lower extreme of spring and the bottom surface fixed connection of blind hole, the upper end of spring and the lower extreme fixed connection of slip post, the upper end and the casing fixed connection of slip post, the setting of buffering post has avoided outside vibrations to cause the influence to the generator.

To sum up, the beneficial effects of the utility model are that:

when the rotating shaft rotates at a high speed, the limiting block can ensure that the stator is fixed and cannot be loosened; through the arrangement of the flow guide holes, the fan blades and the heat dissipation holes, the utility model can quickly dissipate the heat generated in the generator, thereby prolonging the service life of the generator; when the rotating shaft is in sudden stop or speed change, the convex blocks on the arc-shaped seat ensure that the iron core cannot deviate due to inertia, and the working reliability is ensured.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a generator with high operational reliability.

Fig. 2 is a schematic structural diagram of a rotor in a generator with high operational reliability.

Fig. 3 is a schematic front view of a generator with high operational reliability.

Fig. 4 is a schematic structural diagram of a buffer column in a generator with high operational reliability.

Reference numerals: 1-rear end cover, 2-electric brush, 3-stator, 4-shell, 5-limiting block, 6-front end cover, 7-heat dissipation hole, 8-belt wheel, 9-bearing, 10-fan blade, 11-rotating shaft, 12-rotor, 13-collecting ring, 14-buffer column, 15-mounting seat, 141-fixing column, 142-blind hole, 143-spring, 144-sliding column, 121-connecting disc, 122-connecting rod, 123-arc seat, 124-iron core, 125-lug, 126-flow guide hole, 127-shaft hole and 128-key slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to the accompanying drawings and specific embodiments will explain the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 2, a generator with high operational reliability includes a housing 4, a stator 3 and a rotor 12, a front end cover 6 is fixedly connected to the front of the housing 4, a rear end cover 1 is fixedly connected to the rear of the housing 4, the stator 3 and the rotor 12 are arranged inside the housing 4, the stator 3 is fixedly connected to the inner surface of the housing 4, two ends of the stator 3 are closely attached to a limiting block 5, the limiting block 5 is fixedly connected to the housing 4, the rotor 12 is composed of a connecting disc 121, a connecting rod 122 and an arc seat 123, a shaft hole 127 is arranged on the connecting disc 121, a rotating shaft 11 is connected to the shaft hole 127, a plurality of connecting rods 122 are fixedly connected to the side of the connecting disc 121, the connecting rods 122 are fixedly connected to the arc seat 123, an enameled wire is wound on the connecting rods 122, an iron core 124 is bonded to the surface of the arc seat 123, a bump 125 is, the fan blades 10 are installed on the rotating shaft 11, the heat dissipation holes 7 are formed in the front end cover 6, the bearings 9 are installed on the front end cover 6 and the rear end cover 1, and the bearings 9 are coaxially connected with the rotating shaft 11.

The connecting disc 121 is provided with the key groove 128, the key groove 128 enables the connection of the rotating shaft 11 to be more stable, the connecting rods 122 are distributed in a circumferential array mode about the center line of the connecting disc 121, and the flow guide holes 126 communicate the space formed between the connecting rods 122, so that air circulation is facilitated, and heat dissipation is accelerated.

The rotating shaft 11 is fixedly provided with a collecting ring 13, the extending end of the rotating shaft 11 is coaxially and fixedly connected with a belt wheel 8, the inner surface of the shell 4 is connected with an electric brush 2, and the fan blades 10 are positioned inside the shell 4.

Example 2

Referring to fig. 1, 3 and 4, in this embodiment, a mounting seat 15 is disposed below the housing 4, the housing 4 is connected to the mounting seat 15 through a plurality of buffer posts 14, the buffer posts 14 are composed of a fixed post 141, a spring 143 and a sliding post 144, a lower end of the fixed post 141 is fixedly connected to the mounting seat 15, a blind hole 142 is disposed on an upper surface of the fixed post 141, the spring 143 is mounted in the blind hole 142, the sliding post 144 is connected to a side wall of the blind hole 142 in a sliding fit manner, a lower end of the spring 143 is fixedly connected to a bottom surface of the blind hole 142, an upper end of the spring 143 is fixedly connected to a lower end of the sliding post 144, an upper end of the sliding post 144 is fixedly connected to the housing 4, and the buffer posts 14 are disposed to avoid an influence of external vibration on the operation of the generator, other structures and connection modes of the present embodiment are completely the same as those of embodiment 1 of the present invention.

The embodiment of the utility model provides a theory of operation does: when the rotating shaft 11 rotates at a high speed, the limiting block 5 can ensure that the stator 3 is fixed; when the rotating shaft 11 is in sudden stop or speed change, the protrusion 125 on the arc-shaped seat 123 ensures that the iron core 124 does not deviate due to inertia; through the setting of water conservancy diversion hole 126, flabellum 10 and louvre 7, the utility model discloses can be fast with the heat effluvium of the inside production of generator, long and life when having improved the use of generator has guaranteed the reliability of work.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A generator with high working reliability comprises a shell (4), a stator (3) and a rotor (12), and is characterized in that a front end cover (6) is fixedly connected to the front of the shell (4), a rear end cover (1) is fixedly connected to the rear of the shell (4), the stator (3) and the rotor (12) are arranged inside the shell (4), the stator (3) is fixedly connected with the inner surface of the shell (4), two ends of the stator (3) are tightly attached to a limiting block (5), the limiting block (5) is fixedly connected with the shell (4), the rotor (12) is composed of a connecting disc (121), connecting rods (122) and an arc-shaped seat (123), a shaft hole (127) is formed in the connecting disc (121), a rotating shaft (11) is connected to the shaft hole (127), a plurality of connecting rods (122) are fixedly connected to the side surface of the connecting disc (121), and the connecting rods (122) are fixedly connected with the arc, around being equipped with the enameled wire on connecting rod (122), the surface bonding of arc seat (123) has iron core (124), and arc seat (123) is provided with lug (125) on the surface, is provided with water conservancy diversion hole (126) on connection pad (121), install flabellum (10) on pivot (11), be provided with louvre (7) on front end housing (6), all install bearing (9) on front end housing (6) and rear end housing (1), bearing (9) and pivot (11) coaxial coupling.

2. The generator with high work reliability as claimed in claim 1, wherein the connecting disc (121) is provided with a key slot (128), and a plurality of the connecting rods (122) are distributed in a circumferential array around the center line of the connecting disc (121).

3. The generator with high work reliability according to claim 2, characterized in that a collecting ring (13) is fixedly installed on the rotating shaft (11), a belt wheel (8) is coaxially and fixedly connected to the extending end of the rotating shaft (11), the electric brush (2) is fixedly connected to the inner surface of the housing (4), and the fan blades (10) are located inside the housing (4).

4. The generator with high work reliability according to claim 1, characterized in that a mounting seat (15) is arranged below the housing (4), and the housing (4) is connected with the mounting seat (15) through a plurality of buffer columns (14).

5. The generator with high work reliability according to claim 4, wherein the buffer column (14) is composed of a fixed column (141), a spring (143) and a sliding column (144), the lower end of the fixed column (141) is fixedly connected with the mounting seat (15), a blind hole (142) is formed in the upper surface of the fixed column (141), the spring (143) is installed in the blind hole (142), and the sliding column (144) is connected to the side wall of the blind hole (142) in a sliding fit mode.

6. The generator with high work reliability as claimed in claim 5, characterized in that the lower end of the spring (143) is fixedly connected with the bottom surface of the blind hole (142), the upper end of the spring (143) is fixedly connected with the lower end of the sliding column (144), and the upper end of the sliding column (144) is fixedly connected with the shell (4).