CN215990348U

CN215990348U - Assembled stator shell

Info

Publication number: CN215990348U
Application number: CN202122340948.XU
Authority: CN
Inventors: 李莹; 李策; 张建卫; 李清杰; 李�根; 陈英姿; 乔兵朝; 史力超; 李建军
Original assignee: Hebei Newstar Electric Motor Co ltd
Current assignee: Hebei Newstar Electric Motor Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-08
Anticipated expiration: 2031-09-26

Abstract

The utility model provides an assembled stator shell which comprises a plurality of single shells distributed in an annular array structure, wherein the adjacent single shells are detachably connected through a connecting piece; pin-connected panel stator shell is still including the annular installation region who is used for installing the stator, the installation region is in annular array structure ascending at least one side is equipped with cooling water ring system, cooling water ring system is including locating a plurality ofly respectively on the monocoque body and the water route that communicates in proper order, the originated the end of intaking in water route forms the water inlet, the end the play water end in water route forms the delivery port, the water inlet with the delivery port all communicates with the water source. The assembled stator shell provided by the utility model is convenient for the installation of the stator and the rotor, and the installation efficiency of the motor is improved; when the cooling water circulation type motor is used, cooling water circulates on the single shell through the cooling water ring system, the motor is cooled, and the service life of the motor is prolonged.

Description

Assembled stator shell

Technical Field

The utility model belongs to the technical field of permanent magnet motors, and particularly relates to an assembled stator shell.

Background

A stator shell (also called motor shell) in the motor is one of main parts of the motor, and the stator shell (motor shell) in the motor is welded by steel at present, namely a barrel body or an end cover is formed after stretching, so that the end cover and the barrel body are integrated, and the installation is inconvenient when a motor stator and a motor rotor are installed, and the installation efficiency of the motor is influenced; especially the motor that uses in the ball mill, integrated stator shell is bulky, and the transportation is inconvenient.

When the motor is used, the motor can emit certain heat, and the service life of the motor can be reduced after long-term use.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an assembled stator shell, aiming at realizing efficient installation of a motor, facilitating transportation and prolonging the service life of the motor.

In order to achieve the purpose, the utility model adopts the technical scheme that: the assembled stator shell comprises a plurality of single shells distributed in an annular array structure, and the adjacent single shells are detachably connected through a connecting piece;

pin-connected panel stator shell is still including the annular installation region who is used for installing the stator, the installation region is in annular array structure ascending at least one side is equipped with cooling water ring system, cooling water ring system is including locating a plurality ofly respectively on the monocoque body and the water route that communicates in proper order, the originated the end of intaking in water route forms the water inlet, the end the play water end in water route forms the delivery port, the water inlet with the delivery port all communicates with the water source.

In a possible implementation manner, a first mounting plate and a second mounting plate are respectively arranged at two shaft ends of the single shell, a connecting plate is connected between the first mounting plate and the second mounting plate, and the connecting plate is pressed on an outer ring of the cooling water ring system.

In a possible implementation, the connection plates are uniformly distributed on the single shell around the axis of the annular array structure.

In one possible implementation, the inner diameters of the water paths on a plurality of single shells are equal.

In one possible implementation, the inner diameter of the waterway decreases sequentially along the water flow path on a plurality of the single housings.

In a possible implementation manner, two ends of the single shell are respectively provided with a butt plate, and the butt plates on the adjacent single shells are connected through the connecting piece.

In a possible implementation manner, the butt-joint plates on two adjacent single shells are provided with corresponding internal thread holes, and the connecting piece is a bolt for connecting with the internal thread holes.

In a possible implementation manner, the butt-joint plates on two adjacent single shells are further provided with positioning holes corresponding to each other, and positioning pins are inserted into the positioning holes.

In a possible implementation manner, a temperature detector is arranged on one of the single shells, and the temperature detector is used for monitoring the temperature of the inner space.

In a possible implementation manner, the single shell provided with the temperature detector is further provided with an installation cylinder, the temperature detector is installed on the installation cylinder, and the installation cylinder is communicated with the inner space through a through hole.

In the embodiment of the application, compared with the prior art, the assembled stator shell is divided into a plurality of single shells distributed in an annular array structure, the single shells are connected with each other to form the assembled stator shell in an enclosing mode, the single shells can be assembled and then the stator and the rotor can be installed, the stator and the rotor can be installed firstly and then the single shells can be assembled, the installation forms are various, the stator and the rotor can be conveniently installed, and the installation efficiency of the motor is improved; the single shell is transported independently, so that the occupied space is reduced and the transportation is convenient compared with the transportation of an integrated stator shell; when the cooling water circulation type motor is used, cooling water circulates on the single shell through the cooling water ring system, the motor is cooled, and the service life of the motor is prolonged.

Drawings

Fig. 1 is a schematic front view of a spliced stator casing according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic top view of a spliced stator casing according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a schematic perspective view of a spliced stator housing according to an embodiment of the present invention;

fig. 6 is a schematic view of an expanded structure of a waterway according to a second embodiment of the present invention.

Description of reference numerals:

10-single shell; 20-a connector; 30-cooling water ring system; 40-a temperature detector; 50-installation cylinder

11-a first mounting plate; 31-a waterway;

12-a second mounting plate; 32-a water inlet;

13-a connecting plate; 33-water outlet;

14-a butt plate;

15-a through hole;

16-a locating pin;

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6 together, the assembled stator housing according to the present invention will now be described. The assembled stator shell comprises a plurality of single shells 10 distributed in an annular array, and every two adjacent single shells 10 are detachably connected through a connecting piece 20; the assembled stator shell further comprises an annular mounting area for mounting a stator, a cooling water ring system 30 is arranged on at least one side of the mounting area in the axial direction of the annular array structure, the cooling water ring system 30 comprises water channels 31 which are respectively arranged on the single shells 10 and are sequentially communicated, a water inlet 32 is formed at the water inlet end of the initial water channel 31, a water outlet 33 is formed at the water outlet end of the tail water channel 31, and the water inlet 32 and the water outlet 33 are both communicated with a water source.

It should be noted that the number of the single shells 10 is at least two, and when two single shells 10 are provided, the two single shells 10 are both semicircular shells and are buckled together to form the assembled stator housing; when the number of the single shells 10 is four, each single shell 10 is a quarter-circle shell, and the four single shells 10 are sequentially connected around the axis of the annular array structure to form the assembled stator housing, and so on.

The pin-connected panel stator shell that this embodiment provided, when the installation, can install the stator punching sheet monomer that corresponds on every single casing 10 earlier, connect a plurality of single casings 10 along annular array structure's circumference in order, accomplish through connecting piece 20 and connect and fix between every two adjacent single casings 10, constitute the stator shell at last, stator punching sheet monomer on every single casing 10 has also enclosed and has formed the stator. When the cooling water circulation cooling device is used, the water inlet 32 and the water outlet 33 are communicated with a water source, cooling water is introduced into the water channel 31 from the water source, and the cooling water circularly flows in the cooling water circulation system 30, so that the motor is cooled.

Compared with the prior art, the assembled stator shell is divided into a plurality of single shells 10 distributed in an annular array structure, the single shells 10 are mutually connected and enclosed to form the assembled stator shell, the single shells 10 can be assembled and then the stator and the rotor can be installed, the stator and the rotor can be installed firstly and then the single shells 10 can be assembled, the installation forms are various, the stator and the rotor can be conveniently installed, and the installation efficiency of the motor is improved; the single shell 10 is separated into a plurality of single shells 10, and compared with a stator shell which is integrated with transportation, the single shell 10 is transported independently, so that the occupied space is reduced, and the transportation is convenient; when the cooling water circulation system is used, cooling water circulates on the single shell 10 through the cooling water circulation system 30, so that the motor is cooled, and the service life of the motor is prolonged.

In some embodiments, the cooling water exchange system may be configured as shown in fig. 5. Referring to fig. 5, the cooling water ring systems 30 are respectively provided at both sides of the installation area. The two sides are the two sides of the annular array structure in the axial direction, the number of the cooling water ring systems 30 is increased, and the cooling effect is improved; and the cooling water ring system 30 is respectively arranged at two sides, and the actual heat dissipation areas are also positioned at two sides of the stator, so that the uniform heat dissipation of the motor is facilitated, and the heat dissipation effect is optimized.

In some embodiments, the single housing 10 may be configured as shown in fig. 2, 3 and 5. Referring to fig. 2, 3 and 5, a first mounting plate 11 and a second mounting plate 12 are respectively disposed at two axial ends of the single casing 10, a connecting plate 13 is connected between the first mounting plate 11 and the second mounting plate 12, and the connecting plate 13 is pressed on an outer ring of the cooling water ring system 30. The first mounting plate 11 and the second mounting plate 12 are connected through the connecting plate 13, so that structural characteristics of the single shell 10 are increased, and the strength of the single shell 10 is improved; the outer ring of the cooling water ring system 30 is pressed by the connecting plate 13, and in fact, the outer ring of the water path 31 is pressed, so that a fixing effect is achieved, and the connection stability between the water path 31 and the single shell 10 is ensured.

Specifically, the optional structure of the waterway 31 is: the outer surface of the single shell 10 is provided with a surrounding plate, the surrounding plate and the outer shell of the single shell 10 enclose to form a water channel 31, and the connecting plate 13 is pressed on the outer ring of the surrounding plate.

In some embodiments, the connecting plate 13 may be configured as shown in fig. 2, 3 and 5. Referring to fig. 2, 3 and 5, a plurality of connection plates 13 are uniformly distributed on the single shell 10 around the axis of the annular array structure. The even setting and the increase of quantity of connecting plate 13 have not only improved the structural strength of single casing 10, still realize even fixed effect at the outer lane of water route 31, prevent that water route 31 is when flowing through the cooling water because water pressure is drunkenness.

In some embodiments, the waterway 31 may be configured as shown in fig. 2 to 5. Referring to fig. 2 to 5, the inner diameters of the water paths 31 of the plurality of single housings 10 are equal. When the water source supplies water, under the condition that the water yield is uniform, the inner diameters of the water paths 31 on the single shells 10 are equal, so that the water flow speeds are also equal on the single shells 10, and the uniformity of heat dissipation is realized.

In some embodiments, the waterway 31 may be configured as shown in fig. 6. Referring to fig. 6, the inner diameters of the water paths 31 of the plurality of single housings 10 are sequentially decreased along the water flow path. When the water source is supplying water, under the condition that the water yield is at the uniform velocity, cooling water gets into water route 31, along with the diameter of water route 31 reduces gradually, then water pressure is big more and more, and the water velocity of flow is also bigger and bigger, and the velocity of flow of water becomes fast for heat exchange efficiency becomes high, and the radiating effect that corresponds the region becomes strong, realizes the key heat dissipation to some regions.

Similarly, the change of the inner diameters of the water passages 31 in the plurality of single housings 10 is not limited to the decrease in the order along the water flow path, and the heat radiation in a specific portion can be performed by reducing the diameter of the water passage 31 in a portion that requires the heat radiation in a critical manner.

In some embodiments, the installation of the adjacent single housings 10 may be configured as shown in fig. 3 to 5. Referring to fig. 3 to 5, the single housings 10 are respectively provided with docking plates 14 at both ends thereof, and the docking plates 14 of the adjacent single housings 10 are connected by a connecting member 20. When connecting two adjacent single housings 10, two adjacent docking plates 14 of the two single housings 10 are docked, the docking plates 14 are aligned in edge, and then the connectors 20 are installed. By arranging the butt plate 14, the operability area of the connecting piece 20 during installation is increased, and the connection stability between the adjacent single shells 10 is enhanced while the installation is convenient.

In some embodiments, the connector 20 may be configured as shown in fig. 3-5. Referring to fig. 3 to 5, the docking plates 14 of two adjacent single housings 10 are provided with corresponding internal threaded holes, and the connecting member 20 is a bolt for connecting with the internal threaded holes. When two butt joint plates 14 are aligned, the internal thread holes in the two butt joint plates 14 are aligned, so that the bolts can be connected, the bolts are in the specifications corresponding to the internal thread holes, the use and replacement cost is low, and the operation and installation are convenient.

Particularly, when the bolt is connected, an elastic washer is required to be installed, and the elastic washer can effectively prevent the bolt from loosening.

In some embodiments, the two adjacent butt-joint plates 14 may have a structure as shown in fig. 3 and 5. Referring to fig. 3 and 5, the abutting plates 14 on two adjacent single housings 10 are further provided with corresponding positioning holes, and positioning pins 16 are inserted into the positioning holes. Before the connection of the connecting member 20 is performed, the positioning pins 16 are inserted into the positioning holes in the two adjacent butt-joint plates 14, and at this time, the positioning pins 16 position and fix the butt-joint plates 14, so that the installation of the connecting member 20 is facilitated.

In some embodiments, the cooling water flow rate may be controlled by temperature to facilitate the structure shown in fig. 2, 3 and 5. Referring to fig. 2, 3 and 5, a temperature detector 40 is disposed on one of the single housings 10, and the temperature detector 40 is used for monitoring the temperature of the inner space. Can carry out real-time detection to the space temperature in the stator casing through thermoscope 40, through the temperature that detects, can increase the flow of cooling water when the temperature is higher, can close the flow of cooling water or reduction cooling water when the temperature is lower, the regulation cooling water discharge of granule prevents the waste of resource when guaranteeing the cooling effect.

Here, the term "internal space" refers to an internal space of a block-type stator case formed by enclosing a plurality of single cases 10, and hereinafter, the term "internal space" is the same as that of the above description.

In some embodiments, the temperature detector 40 may be mounted as shown in fig. 2, 3 and 5. Referring to fig. 2, 3 and 5, the single housing 10 having the temperature detector 40 is further provided with an installation cylinder 50, the temperature detector 40 is installed on the installation cylinder 50, and the installation cylinder 50 is communicated with the inner space through the through hole 15. One end of the mounting tube 50 communicates with the inner space through the through hole 15, and the other end is closed. Firstly, the temperature detector 40 is arranged on the installation cylinder 50, and is more convenient to install compared with the cambered surface structure of the outer surface of the single shell 10; secondly, the installation cylinder 50 is communicated with the inner space through the through hole 15, the temperature of the inner space can be measured by measuring the temperature in the installation cylinder 50, and the monitoring head of the temperature detector 40 is prevented from extending into the inner space to influence the normal operation of the motor.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The assembled stator shell is characterized by comprising a plurality of single shells distributed in an annular array structure, wherein the adjacent single shells are detachably connected through a connecting piece;

2. The assembled stator casing according to claim 1, wherein a first mounting plate and a second mounting plate are respectively provided at both axial ends of the single casing, and a connection plate is connected between the first mounting plate and the second mounting plate and pressed against an outer ring of the cooling water ring system.

3. The fabricated stator casing of claim 2, wherein the connection plates are evenly distributed in plurality on the single shell about an axis of the annular array structure.

4. The fabricated stator casing of claim 1, wherein the inner diameters of the water paths on a plurality of the single shells are equal.

5. The fabricated stator housing of claim 1, wherein an inner diameter of said water path on a plurality of said single shells decreases in sequence along a water flow path.

6. The assembled stator casing according to claim 1, wherein the single casing has two end plates, and the end plates of the adjacent single casings are connected by the connecting member.

7. The assembled stator casing according to claim 6, wherein the abutting plates of two adjacent single casings are provided with corresponding internal threaded holes, and the connecting member is a bolt for connecting with the internal threaded holes.

8. The assembled stator casing according to claim 7, wherein the abutting plates of two adjacent single casings are further provided with positioning holes corresponding to each other, and positioning pins are inserted into the positioning holes.

9. The fabricated stator casing of claim 1, wherein one of the single shells is provided with a temperature detector for monitoring a temperature of the interior space.

10. The assembled stator casing according to claim 9, wherein the single casing provided with the temperature detector is further provided with an installation cylinder on which the temperature detector is installed, the installation cylinder being communicated with the inner space through a through hole.