CN210380470U

CN210380470U - Permanent magnet generator with hollow shaft

Info

Publication number: CN210380470U
Application number: CN201921393170.5U
Authority: CN
Inventors: 刘忠福; 朱正东
Original assignee: Jiangsu Dongfang Kangchi Electromechanical Technology Co ltd
Current assignee: Jiangsu Dongfang Kangchi Electromechanical Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-21
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a permanent magnet generator of quill shaft, which comprises an outer shell, the left side rigid coupling of shell has the front end housing, the right side rigid coupling of shell has the housing, it has the axis of rotation to peg graft at the inner chamber center of shell, and the left side of axis of rotation runs through the center of front end housing, the outer wall of axis of rotation has cup jointed the axle sleeve, the rotor has been cup jointed to the outer wall of axle sleeve, the inner chamber lateral wall rigid coupling stator coil of shell, the right side inner chamber rigid coupling of shell has the rear end cap, the preceding lateral wall rigid coupling of shell has the storing shell, the four corners spiro union of storing shell has fastening bolt, the bottom rigid coupling of shell has the supporting seat, the rigid coupling has the support column. The utility model provides a generator can produce a large amount of heats in the actual work, and the cooling of general generator only dispels the heat to generator inner chamber component, and the temperature of axis of rotation is still very high, and difficult heat dissipation influences the work efficiency's of generator problem.

Description

Permanent magnet generator with hollow shaft

Technical Field

The utility model relates to a generator technical field specifically is a permanent magnet generator of quill shaft.

Background

The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy.

The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator has many forms, but the working principle is based on the law of electromagnetic induction and the law of electromagnetic force. Appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion.

A large amount of heat generated by the generator in actual work can only dissipate heat of inner cavity elements of the generator by cooling the generator generally, and the temperature of a rotating shaft is still very high, so that heat is not easy to dissipate, and the working efficiency of the generator is influenced. For this purpose, we have designed a hollow shaft permanent magnet generator.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a permanent magnet generator of quill shaft solves a large amount of heats that the generator can produce in the actual work, and the cooling of general generator only dispels the heat to generator inner chamber component, and the temperature of axis of rotation is still very high, and difficult heat dissipation influences the work efficiency's of generator problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a permanent magnet generator of quill shaft, includes the shell, the left side rigid coupling of shell has the front end housing, the right side rigid coupling of shell has the housing, peg graft at the inner chamber center of shell has the axis of rotation, and the left side of axis of rotation runs through the center of front end housing, the outer wall of axis of rotation has cup jointed the axle sleeve, the rotor has been cup jointed to the outer wall of axle sleeve, the inner chamber lateral wall rigid coupling stator coil of shell, the right side inner chamber rigid coupling of shell has the rear end cap, the preceding lateral wall rigid coupling of shell has the storing shell, the four corners spiro union of storing shell has fastening bolt, and the storing shell passes through fastening bolt and the preceding lateral wall fastening connection of shell, the bottom rigid coupling of shell has the supporting seat, the rigid coupling has the support column between the top of supporting seat and.

In the foregoing permanent magnet generator with a hollow shaft, a rotary bearing is disposed at a joint of the front end cover and the rotating shaft, and the rotary bearing is embedded in a center of an inner cavity of the front end cover.

In the foregoing permanent magnet generator with a hollow shaft, an inner cavity of the housing is provided with a plurality of groups of heat dissipation holes, the heat dissipation holes are rectangular, and the plurality of groups of heat dissipation holes are arranged in a circumferential array along an embedded center of the housing.

In the foregoing permanent magnet generator with a hollow shaft, the rotor is embedded with magnetic steel, the magnetic steel is in one of a diamond shape, a tile shape, a square shape or a cylindrical shape, and the magnetic steel is made of alnico alloy material.

In the foregoing permanent magnet generator with the hollow shaft, the outer wall of the right side of the rotating shaft is sleeved with the cooling blades, and the cooling blades are located on the right side of the rear end cover.

In the foregoing permanent magnet generator with the hollow shaft, the joint between the housing and the storage case is provided with the fastening gasket, and the fastening bolt penetrates through the inner cavity of the fastening gasket and is fastened and connected with the housing.

In the foregoing permanent magnet generator with a hollow shaft, an inner cavity of the rotating shaft is hollow.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the inner chamber of housing is opened has the multiunit louvre, the louvre is the rectangle, and the multiunit louvre is along the embedded center of housing and be the circumference array form setting, when the generator is worked, can carry out thermal discharge through the louvre, and make outside air get into, carry out the heat exchange, the right side outer wall of axis of rotation has cup jointed radiator vane, radiator vane is located the right side of rear end cap, the inner chamber of axis of rotation is the hollow form setting, when the axis of rotation rotates, through radiator vane, a part dispels the heat to the inside of generator, simultaneously, through dispelling the heat to the hollow department of the inner chamber of axis of rotation, accelerate the air flow of generator inner chamber, make the inner chamber of axis of rotation also obtain the thermal diffusion, be convenient for the work of generator, reduce the accumulation of heat, make work efficiency higher, solve a, the cooling of the general generator only dissipates heat to the inner cavity elements of the generator, the temperature of the rotating shaft is still very high, the heat dissipation is not easy, and the working efficiency of the generator is affected.

Drawings

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

In the figure: 1. the shell, 2, front end housing, 3, housing, 301, louvre, 4, axis of rotation, 5, axle sleeve, 6, rotor, 7, stator coil, 8, rear end housing, 801, radiator vane, 9, storing shell, 10, fastening bolt, 12, supporting seat, 13, support column, 14, threaded connection hole, 15, rolling bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1: a permanent magnet generator with a hollow shaft comprises a shell 1, a front end cover 2 is fixedly connected to the left side of the shell 1, a housing 3 is fixedly connected to the right side of the shell 1, a plurality of groups of heat dissipation holes 301 are formed in an inner cavity of the housing 3, the heat dissipation holes 301 are rectangular, the heat dissipation holes 301 are arranged in a circumferential array mode along the embedded center of the housing 3, a rotating shaft 4 is inserted into the center of the inner cavity of the shell 1, the left side of the rotating shaft 4 penetrates through the center of the front end cover 2, the inner cavity of the rotating shaft 4 is arranged in a hollow mode, a shaft sleeve 5 is sleeved on the outer wall of the rotating shaft 4, a rotor 6 is sleeved on the outer wall of the shaft sleeve 5, magnetic steel is embedded on the rotor 6 and is diamond-shaped, a tile-shaped structure or a square or cylindrical structure, the magnetic steel is made of an alnico material, a stator coil 7 is fixedly connected, radiating blade 801 is located the right side of rear end housing 8, the preceding lateral wall rigid coupling of shell 1 has storing shell 9, the four corners spiro union of storing shell 9 has fastening bolt 10, and storing shell 9 passes through fastening bolt 10 and the preceding lateral wall fastening connection of shell 1, the junction of shell 1 and storing shell 9 is provided with the fastening gasket, and fastening bolt 10 runs through the inner chamber and the shell 1 fastening connection of fastening gasket, the bottom rigid coupling of shell 1 has supporting seat 12, the rigid coupling has support column 13 between the top of supporting seat 12 and storing shell 9, threaded connection hole 14 has been opened to the left side inner chamber of supporting seat 12, front end housing 2 is provided with rolling bearing 15 with the junction of axis of rotation 4, and rolling bearing 15 inlays the inner chamber center department at front end housing 2.

To sum up, the utility model discloses when using, the inner chamber of housing 3 is opened there are multiunit louvre 301, louvre 301 is the rectangle, and multiunit louvre 301 is along the embedded center of housing 3 and is the circumference array form setting, when the generator is worked, can carry out thermal discharge through louvre 301, and make outside air enter, carry out the heat exchange, radiating vane 801 has been cup jointed to the right side outer wall of axis of rotation 4, radiating vane 801 is located the right side of rear end cap 8, the inner chamber of axis of rotation 4 is the hollow form setting, when axis of rotation 4 rotates, through radiating vane 801, a part dispels the heat to the internal component of generator, simultaneously, through dispelling the heat to the hollow of the inner chamber of axis of rotation 4, accelerate the air flow of generator inner chamber, make the inner chamber of axis of rotation 4 also obtain thermal diffusion, be convenient for the work of generator, reduce the accumulation of heat, make work, the problem of the generator can produce a large amount of heats in actual operation, the cooling of general generator only dispels the heat to generator inner chamber component, and the temperature of axis of rotation is still very high, is difficult for dispelling the heat, influences the work efficiency of generator is solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A hollow-shaft permanent-magnet generator comprising a casing (1), characterized in that: the left side of the shell (1) is fixedly connected with a front end cover (2), the right side of the shell (1) is fixedly connected with a housing (3), an inner cavity center of the shell (1) is spliced with a rotating shaft (4), the left side of the rotating shaft (4) penetrates through the center of the front end cover (2), the outer wall of the rotating shaft (4) is sleeved with a shaft sleeve (5), the outer wall of the shaft sleeve (5) is sleeved with a rotor (6), the inner cavity side wall of the shell (1) is fixedly connected with a stator coil (7), the right side inner cavity of the shell (1) is fixedly connected with a rear end cover (8), the front side wall of the shell (1) is fixedly connected with a storage shell (9), four corners of the storage shell (9) are screwed with fastening bolts (10), the storage shell (9) is fixedly connected with the front side wall of the shell (1) through the fastening bolts (10), and the bottom of the, a supporting column (13) is fixedly connected between the top of the supporting seat (12) and the storage shell (9), and a threaded connecting hole (14) is formed in the inner cavity of the left side of the supporting seat (12).

2. A hollow shaft permanent magnet generator according to claim 1, characterized in that: the front end cover (2) is provided with a rotating bearing (15) at the joint of the rotating shaft (4), and the rotating bearing (15) is embedded in the center of the inner cavity of the front end cover (2).

3. A hollow shaft permanent magnet generator according to claim 1, characterized in that: the inner cavity of the housing (3) is provided with a plurality of groups of radiating holes (301), the radiating holes (301) are rectangular, and the plurality of groups of radiating holes (301) are arranged in a circumferential array along the embedded center of the housing (3).

4. A hollow shaft permanent magnet generator according to claim 1, characterized in that: and magnetic steel is embedded in the rotor (6), the magnetic steel is one of diamond, tile, square or cylinder, and the magnetic steel is made of an alnico alloy material.

5. A hollow shaft permanent magnet generator according to claim 1, characterized in that: and the outer wall of the right side of the rotating shaft (4) is sleeved with a radiating blade (801), and the radiating blade (801) is positioned on the right side of the rear end cover (8).

6. A hollow shaft permanent magnet generator according to claim 1, characterized in that: the joint of the shell (1) and the storage shell (9) is provided with a fastening gasket, and a fastening bolt (10) penetrates through the inner cavity of the fastening gasket and is fixedly connected with the shell (1).

7. A hollow shaft permanent magnet generator according to claim 1, characterized in that: the inner cavity of the rotating shaft (4) is arranged in a hollow shape.