CN220245225U - Traction machine and rotor thereof - Google Patents

Abstract

Provided herein is a traction machine and a rotor thereof. The rotor includes: a stop ring; a rotor shaft located inside the stop ring and extending in an axial direction of the stop ring; the connecting wall is positioned at the same end of the rotor shaft and the stop ring and is connected with the rotor shaft and the stop ring, and the connecting wall, the rotor shaft and the stop ring are encircled to form a groove; and the reinforcing ribs are positioned in the grooves and arranged on the connecting wall and are arranged to improve the structural strength of the connecting wall. The rotor is characterized in that the reinforcing ribs are positioned in the grooves and arranged on the connecting wall, and the reinforcing ribs are used for improving the structural strength of the connecting wall, so that the connecting wall is not easy to deform in the use process; the rotor is applied to the traction machine, and can keep the running stability of the traction machine for a long time, so that the lifting process of the elevator is more stable.

Description

Traction machine and rotor thereof

Technical Field

The application relates to the technical field of elevator equipment, in particular to a traction machine and a rotor thereof.

Background

The outer rotor traction machine is a traction machine which is more in use at present and comprises a machine base, a winding stator, a rotor and a traction wheel, wherein the winding stator, the rotor and the traction wheel are arranged on the machine base. The winding stator comprises a stator core and a coil winding, and the coil winding is wound on the stator core. The rotor comprises a stop ring, a connecting wall and a rotor shaft, wherein the rotor shaft is positioned on the inner side of the stop ring, and one end of the rotor shaft is connected with one end of the stop ring through the connecting wall. The traction wheel is in transmission connection with the rotor, and permanent magnets are uniformly distributed on the stop ring according to the number of poles of the motor. The traction steel wire rope is connected to the traction sheave, the rotor drives the lift car to ascend by carrying forward rotation of the traction sheave, and the rotor drives the lift car to descend by carrying reverse rotation of the traction sheave.

The existing rotor is easy to deform after being used for a period of time, so that the running stability of the traction machine can be reduced, and the lifting process of the elevator is unstable.

Disclosure of Invention

The application provides a rotor of hauler, its structural strength is higher.

The application also provides a traction machine.

The rotor of the traction machine provided by the embodiment of the utility model comprises: a stop ring; a rotor shaft located inside the stop ring and extending in an axial direction of the stop ring; the connecting wall is positioned at the same end of the rotor shaft and the stop ring and is used for connecting the rotor shaft and the stop ring, and the connecting wall, the rotor shaft and the stop ring are encircled to form a groove; and the reinforcing ribs are positioned in the grooves and arranged on the connecting wall and are arranged to improve the structural strength of the connecting wall.

In some exemplary embodiments, the reinforcing ribs include a plurality of the reinforcing ribs disposed in sequence in a circumferential direction of the rotor shaft, configured to drive air movement within the groove based on rotation of the rotor.

In some exemplary embodiments, the side of the connecting wall is provided with a stiffening groove.

In some exemplary embodiments, the reinforcing groove includes a plurality of first reinforcing grooves and a plurality of second reinforcing grooves disposed in order in a circumferential direction of the rotor shaft, the plurality of first reinforcing grooves being located at sides of the connection wall outside the groove, the plurality of second reinforcing grooves being located at sides of the connection wall inside the groove.

In some exemplary embodiments, the connecting wall is provided with a connecting pin hole and a mounting screw hole.

In some exemplary embodiments, the connecting pin hole and the mounting screw hole each include a plurality of connecting pin holes and a plurality of mounting screw holes uniformly distributed on the same circumference.

In some exemplary embodiments, the connection wall includes first and third annular walls extending in a radial direction of the rotor shaft and a second annular wall extending in an axial direction of the rotor shaft, the first annular wall, the second annular wall, the third annular wall, and the stop ring are sequentially connected, and the rib connects the first and second annular walls.

In some exemplary embodiments, the second annular wall further extends radially outward of the rotor shaft from an end thereof connected to the first annular wall to an end thereof connected to the third annular wall.

In some exemplary embodiments, the rotor shaft is internally provided with a shaft hole, and the outer circumferential surface of the rotor shaft includes a first annular surface, a conical surface and a second annular surface which are sequentially arranged, and the caliber of the conical surface tapers from one end adjacent to the connecting wall to one end far away from the connecting wall.

The traction machine provided by the embodiment of the utility model comprises the rotor of the traction machine.

According to the rotor of the traction machine, the reinforcing ribs are arranged in the grooves and are arranged on the connecting wall, and the reinforcing ribs are used for improving the structural strength of the connecting wall, so that the connecting wall is not easy to deform in the use process; the rotor is applied to the traction machine, and can keep the running stability of the traction machine for a long time, so that the lifting process of the elevator is more stable.

Drawings

FIG. 1 is a perspective view of a rotor according to some embodiments;

FIG. 2 is a schematic perspective view of the rotor of FIG. 1 from another perspective;

FIG. 3 is a schematic cross-sectional view of the right-hand structure of the rotor of FIG. 1;

FIG. 4 is a right side view of the rotor of FIG. 1;

fig. 5 is a schematic rear view of the rotor of fig. 1.

In the drawings, the list of components represented by the various numbers is as follows:

100 stop rings, 200 rotor shafts, 210 first annular surfaces, 220 conical surfaces, 230 second annular surfaces, 240 shaft holes, 300 connecting walls, 310 first reinforcing grooves, 320 second reinforcing grooves, 330 connecting pin holes, 340 mounting screw holes, 350 first annular walls, 360 second annular walls, 370 third annular walls, 400 grooves and 500 reinforcing ribs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; "coupled" may be directly connected or indirectly connected through intervening media, and may be in the internal communication of two elements or in the interaction of two elements, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

The rotor of the traction machine according to the embodiment of the present utility model, as shown in fig. 1 to 5, includes: a stop ring 100; a rotor shaft 200 located inside the stop ring 100 and extending in the axial direction of the stop ring 100; a connecting wall 300, wherein the connecting wall 300 is positioned at the same end of the rotor shaft 200 and the stop ring 100 and connects the rotor shaft 200 and the stop ring 100, and the connecting wall 300, the rotor shaft 200 and the stop ring 100 are enclosed into a groove 400; and reinforcing ribs 500, the reinforcing ribs 500 being located in the grooves 400 and provided to the connection wall 300, the reinforcing ribs 500 being provided to enhance structural strength of the connection wall 300.

The reinforcing rib 500 is positioned in the groove 400 and arranged on the connecting wall 300, and the reinforcing rib 500 is used for improving the structural strength of the connecting wall 300, so that the connecting wall 300 is not easy to deform in the use process; the rotor is applied to the traction machine, and can keep the running stability of the traction machine for a long time, so that the lifting process of the elevator is more stable.

In some exemplary embodiments, as shown in fig. 1, 3 and 5, the reinforcing rib 500 includes a plurality of reinforcing ribs 500, the plurality of reinforcing ribs 500 being disposed in sequence in the circumferential direction of the rotor shaft 200, the plurality of reinforcing ribs 500 being disposed to drive the air movement within the groove 400 based on the rotation of the rotor. The rotor is applied to a traction machine, when the traction machine runs, the plurality of reinforcing ribs 500 drive air in the grooves 400 to move, so that the heat dissipation effect in the traction machine can be improved, the temperature of the winding stator and the permanent magnet is lower, and the running performance of the motor is better. The plurality of reinforcing ribs 500 may be provided as 12 reinforcing ribs; or, the plurality of reinforcing ribs 500 may be provided as 24 reinforcing ribs; alternatively, the plurality of reinforcing ribs 500 may be provided as 36 reinforcing ribs or the like; the reinforcing rib 500 may be provided as a triangular rib plate; or, the reinforcing rib 500 may be configured as a special-shaped rib plate or the like; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present utility model, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.

In some exemplary embodiments, as shown in fig. 1 to 3 and 5, the side of the connection wall 300 is provided with a reinforcing groove. The reinforcing grooves include a plurality of first reinforcing grooves 310 sequentially disposed in the circumferential direction of the rotor shaft 200 and a plurality of second reinforcing grooves 320 sequentially disposed in the circumferential direction of the rotor shaft 200, the plurality of first reinforcing grooves 310 are located at the side surface of the connection wall 300 located outside the groove 400, the plurality of first reinforcing grooves 310 are used for improving structural strength of the connection wall 300, reducing weight of the connection wall 300 and improving heat dissipation effect of the connection wall 300, the plurality of second reinforcing grooves 320 are located at the side surface of the connection wall 300 located inside the groove 400, and the plurality of second reinforcing grooves 320 are used for improving structural strength of the connection wall 300 and reducing weight of the connection wall 300. The plurality of first reinforcing grooves 310 may be provided as 4 first reinforcing grooves, 6 first reinforcing grooves, 8 first reinforcing grooves, or the like; the plurality of second reinforcing grooves 320 may be provided as 6 second reinforcing grooves, 8 second reinforcing grooves, 10 second reinforcing grooves, or the like; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present utility model, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.

In some exemplary embodiments, as shown in fig. 2, the connection wall 300 is provided with a connection pin hole 330 and a mounting screw hole 340, and both the connection pin hole 330 and the mounting screw hole 340 serve to fixedly connect the connection wall 300 and the traction sheave. Wherein, the connecting pin holes 330 and the mounting screw holes 340 all comprise a plurality of, and a plurality of connecting pin holes 330 and a plurality of mounting screw holes 340 are uniformly distributed and arranged on the same circumference. The connecting pin shaft penetrates through the traction sheave and the connecting pin hole 330, the threaded section of the bolt penetrates through the traction sheave to be screwed into the mounting screw hole 340, and the shearing resistance of the connecting pin shaft is superior to that of the bolt, so that the shearing resistance of the connecting position of the rotor and the traction sheave is better, and the connecting pin hole 330 is easier to process relative to the mounting screw hole 340. The plurality of connection pin holes 330 may be provided as 2 connection pin holes, 4 connection pin holes, 6 connection pin holes, or the like; the plurality of mounting screw holes 340 may be provided as 4 mounting screw holes, 6 mounting screw holes, 8 mounting screw holes, or the like; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present utility model, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.

In some exemplary embodiments, as shown in fig. 2 to 4, the connection wall 300 includes a first annular wall 350 extending in a radial direction of the rotor shaft 200, a third annular wall 370 extending in a radial direction of the rotor shaft 200, and a second annular wall 360 extending in an axial direction of the rotor shaft 200, and the rotor shaft 200, the first annular wall 350, the second annular wall 360, the third annular wall 370, and the stop ring 100 are sequentially connected, with the rib 500 connecting the first annular wall 350 and the second annular wall 360. The first reinforcing groove 310 is formed on the side surface of the first annular wall 350 located at the outer side of the groove 400, the second reinforcing groove 320 is formed on the side surface of the third annular wall 370 located at the inner side of the groove 400, and the connecting pin hole 330 and the mounting screw hole 340 are located at the first annular wall 350 and are located at the outer side of the first reinforcing groove 310 in the radial direction of the rotor shaft 200.

In some examples, as shown in fig. 2-4, second annular wall 360 also extends radially outward of rotor shaft 200 from an end thereof (i.e., second annular wall 360) that is connected to first annular wall 350 to an end thereof (i.e., second annular wall 360) that is connected to third annular wall 370. Wherein, as shown in fig. 4, the center angle a of the second annular wall 360 is set in the range of 20 degrees to 40 degrees. However, as shown in fig. 4, the central angle a of the second annular wall 360 is set to 20 degrees, 30 degrees, 40 degrees, or the like, so that the purposes of the present application can be achieved, the spirit of the present application is not departing from the design concept of the present utility model, and the present application shall not be repeated herein.

In some exemplary embodiments, as shown in fig. 3, the outer circumferential surface of the rotor shaft 200 includes a first torus 210, a tapered surface 220, and a second torus 230 disposed in this order, the caliber of the tapered surface 220 tapers from an end adjacent to the connecting wall 300 to an end remote from the connecting wall 300, a first bearing is mounted on the first torus 210, and a second bearing is mounted on the second torus 230. In this embodiment, the rotor shaft 200 is an integral structure, and the coaxiality of the first torus 210 and the second torus 230 is higher. The tapered surface 220 has a diameter that gradually decreases from an end adjacent to the connecting wall 300 to an end distant from the connecting wall 300, which reduces stress on the rotor shaft 200.

In some exemplary embodiments, as shown in fig. 2 and 3, the rotor shaft 200 is internally provided with a shaft hole 240, and the shaft hole 240 may effectively reduce the weight of the rotor shaft 200. The shaft hole 240 may be a blind hole, the opening of the blind hole is opposite to the notch of the groove, and the opening of the blind hole is covered with a cover plate.

In some exemplary embodiments, as shown in fig. 1-3, the rotor shaft 200, the connecting wall 300, and the stop ring 100 are a unitary structure, and the rotor may be manufactured by a casting process.

The traction machine (not shown in the drawings) according to the embodiment of the present utility model includes the rotor of the traction machine according to any one of the above embodiments.

The traction machine has all the advantages of the rotor of the traction machine provided in any one of the embodiments, and will not be described in detail herein.

In summary, in the rotor of the traction machine provided by the embodiment of the utility model, the reinforcing ribs are located in the grooves and arranged on the connecting wall, and the reinforcing ribs are used for improving the structural strength of the connecting wall, so that the connecting wall is not easy to deform in the use process; the rotor is applied to the traction machine, and can keep the running stability of the traction machine for a long time, so that the lifting process of the elevator is more stable.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. A rotor of a traction machine, comprising:

a stop ring;

a rotor shaft located inside the stop ring and extending in an axial direction of the stop ring;

the connecting wall is positioned at the same end of the rotor shaft and the stop ring and is used for connecting the rotor shaft and the stop ring, and the connecting wall, the rotor shaft and the stop ring are encircled to form a groove; and

the reinforcing ribs are positioned in the grooves and arranged on the connecting wall and are arranged to improve the structural strength of the connecting wall.

2. The rotor of the traction machine according to claim 1, wherein the reinforcing ribs include a plurality of the reinforcing ribs, which are sequentially provided in a circumferential direction of the rotor shaft, configured to drive air movement in the groove based on rotation of the rotor.

3. The rotor of the traction machine as claimed in claim 1, wherein the side of the connection wall is provided with a reinforcing groove.

4. The rotor of the traction machine according to claim 3, wherein the reinforcing grooves include a plurality of first reinforcing grooves and a plurality of second reinforcing grooves which are sequentially disposed in a circumferential direction of the rotor shaft, the plurality of first reinforcing grooves being located at a side of the connection wall located outside the groove, the plurality of second reinforcing grooves being located at a side of the connection wall located inside the groove.

5. The rotor of the traction machine as set forth in claim 1, wherein the connection wall is provided with a connection pin hole and a mounting screw hole.

6. The rotor of the traction machine according to claim 5, wherein the connection pin holes and the installation screw holes each comprise a plurality of connection pin holes and a plurality of installation screw holes uniformly distributed on the same circumference.

7. The rotor of a hoisting machine according to any one of claims 1 to 6, characterized in that the connecting wall includes a first annular wall and a third annular wall extending in a radial direction of the rotor shaft and a second annular wall extending in an axial direction of the rotor shaft, the first annular wall, the second annular wall, the third annular wall, and the stop ring being connected in this order, the reinforcing rib connecting the first annular wall and the second annular wall.

8. The rotor of the traction machine as set forth in claim 7, wherein the second annular wall further extends outwardly in a radial direction of the rotor shaft from an end thereof connected to the first annular wall to an end thereof connected to the third annular wall.

9. The rotor of a traction machine according to any one of claims 1 to 6, wherein an axial hole is provided in an inside of the rotor shaft, an outer circumferential surface of the rotor shaft includes a first annular surface, a tapered surface, and a second annular surface which are sequentially provided, and a caliber of the tapered surface tapers from an end adjacent to the connecting wall to an end distant from the connecting wall.

10. A traction machine comprising the rotor of the traction machine of any one of claims 1 to 9.