CN213730801U

CN213730801U - Grinding device for rotor shaft of generator of wind turbine generator

Info

Publication number: CN213730801U
Application number: CN202022777106.6U
Authority: CN
Inventors: 李玥; 吴士华; 张健; 张克君; 李锦�
Original assignee: Beijing Guodian Sida Technology Co ltd
Current assignee: Beijing Guodian Sida Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-20
Anticipated expiration: 2030-11-26

Abstract

The utility model provides a wind turbine generator system generator rotor shaft grinding device, the device install at the turning structural, wind turbine generator system generator rotor shaft grinding device including structure, moving platform, supporting connection board and the support of polishing, the supporting connection board fix at the turning structural, the support fix on the supporting connection board, moving platform install on the support, the structure of polishing include the first motor of emery wheel and drive emery wheel, first motor install on moving platform, the emery wheel install on first motor. The utility model provides a grinding device includes grinding structure, moving platform, support connecting plate and support, can polish and grind the rotor shaft surface after laser cladding carries out repair welding through adopting the device of this application; this application can be collected the sweeps that produces in the rotor shaft restoration process through adding piece collection device, avoids the sweeps to produce harmful effects to rotor shaft restoration.

Description

Grinding device for rotor shaft of generator of wind turbine generator

Technical Field

The utility model belongs to the technical field of machining and specifically relates to a wind turbine generator system generator rotor axle grinding device is related to.

Background

In wind power generation, wind power pushes blades to drive a rotor shaft to rotate through a gearbox to generate power. The following problems occur in use: 1. the rotor shaft causes surface metal abrasion after long-term high-speed rotation; 2. the wear resistance of the surface metal of the rotor shaft is deteriorated due to changes of microstructure and mechanical properties caused by long-term friction; 3. because the gap between the rotor shaft and the bearing is enlarged in the rotating process after the surface metal is worn, the vibration of the two parts is intensified, and the wear speed of the two parts is accelerated. The excessive wearing and tearing of rotor shaft can lead to bearing position shaft diameter to diminish or lead to bearing inner race and pivot relative motion after the bearing locking, and the condition such as pivot damage can't work, present processing scheme: the generator that restores and change the generator on the macromolecular material tower will damage returns the factory and carries out the pivot and restores, because the macromolecular material customer general acceptance is not high, and it is expensive to change the generator cost, and duty cycle such as transportation, hoist and mount are longer. By combining the existing new technology, the workpiece treated by the laser cladding technology can meet the requirements of customers in terms of mechanical properties, and the acceptance degree is high, so that the technology can be applied to the repair work of the generator rotor shaft in the wind power industry.

The rotor shaft is unsmooth in surface and the size still need further to be processed after laser cladding carries out repair welding, need polish to the rotor shaft surface and polish to required size, therefore provides a rotor shaft grinding device and has important meaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind turbine generator system generator rotor shaft grinding device to rotor shaft need carry out the problem of polishing and polishing to the rotor shaft surface after laser cladding carries out repair welding among the solution prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

according to the utility model discloses an aspect provides a wind turbine generator rotor shaft grinding device, and the device installs at the turning structurally, wind turbine generator rotor shaft grinding device including structure, moving platform, supporting connection board and the support of polishing, the supporting connection board fix at the turning structurally, the support fix on the supporting connection board, moving platform install on the support, the structure of polishing include the emery wheel and drive emery wheel's first motor, first motor install on moving platform, the emery wheel install on first motor.

Furthermore, the grinding device for the rotor shaft of the generator of the wind turbine generator further comprises a debris collecting device, the debris collecting device comprises a dust hood mounted on the supporting and connecting plate and a dust collector connected with the dust hood, and the dust hood is located on one side of the rotor shaft of the generator of the wind turbine generator.

Furthermore, the moving platform comprises an axial moving platform arranged on the support and a radial moving platform arranged on the axial moving platform, and the first motor of the polishing structure is arranged on the radial moving platform.

Furthermore, a first sliding groove is axially formed in the support, a first sliding rail matched with the first sliding groove is arranged at the bottom of the axial moving platform, and a second motor for driving the axial moving platform is arranged on the support.

Furthermore, the axial moving platform is radially provided with a second sliding groove, and the bottom of the radial moving platform is provided with a second sliding rail matched with the second sliding groove.

Furthermore, the axial moving platform on be equipped with first fixed plate, be equipped with first screw hole on the first fixed plate, radial moving platform on be equipped with the second fixed plate, be equipped with the second screw hole on the second fixed plate, the screw thread opposite direction in first screw hole and the second screw hole, a screw rod passes second screw hole on the second fixed plate and the first screw hole on the first fixed plate in proper order, and the both ends of screw rod are equipped with the screw thread that uses with first screw hole and the cooperation of second screw hole respectively.

Furthermore, a handle is arranged at the end part of the screw rod.

Furthermore, the supporting connection plate is provided with a plurality of through holes, the turning structure is provided with fixing holes corresponding to the through holes, and the bolts sequentially penetrate through the through holes in the supporting connection plate and the fixing holes in the turning structure to realize the fixed connection of the supporting connection plate and the turning structure.

The utility model has the advantages of as follows: the utility model provides a grinding device for a rotor shaft of a generator of a wind turbine generator, which comprises a grinding structure, a mobile platform, a supporting connecting plate and a support, and can polish and grind the surface of the rotor shaft subjected to repair welding by laser cladding in the prior art by adopting the device; this application can be collected the sweeps that produces in the rotor shaft restoration process through adding piece collection device, when realizing that the environment is clean and tidy, avoids the sweeps to produce harmful effects to rotor shaft restoration.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is one of schematic structural diagrams of a grinding device for a generator rotor shaft of a wind turbine generator provided in embodiment 1 of the present invention;

fig. 2 is a second schematic structural view of a grinding device for a rotor shaft of a generator of a wind turbine generator according to embodiment 2 of the present invention;

description of reference numerals: 1-turning a structure; 2-supporting the connecting plate; 3-support; 4-grinding wheel; 5-a first motor; 6-dust collecting cover; 7-a generator rotor shaft of the wind turbine generator; 8-an axial moving platform; 9-a radially moving platform; 10-a handle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, the present embodiment provides a grinding device for a rotor shaft of a generator of a wind turbine generator, the grinding device is installed on a turning structure 1, the grinding device for a rotor shaft of a generator of a wind turbine generator includes a grinding structure, a moving platform, a supporting and connecting plate 2 and a support 3, the supporting and connecting plate 2 is fixed on the turning structure 1, the support 3 is fixed on the supporting and connecting plate 2, the moving platform is installed on the support 3, the grinding structure includes a grinding wheel 4 and a first motor 5 for driving the grinding wheel 4, the first motor 5 is installed on the moving platform, and the grinding wheel 4 is installed on the first motor 5. The device of this embodiment can polish the rotor shaft surface after carrying out repair welding to laser cladding among the prior art.

Preferably, as shown in fig. 2, the grinding device for the rotor shaft of the wind turbine generator further comprises a debris collecting device, the debris collecting device comprises a dust collecting cover 6 mounted on the supporting and connecting plate 2 and a dust collector connected with the dust collecting cover 6, and the dust collecting cover 6 is positioned on one side of the rotor shaft 7 of the wind turbine generator. Can collect the sweeps that the in-process produced rotor shaft restoration through adding piece collection device, when realizing that the environment is clean and tidy, avoid the sweeps to produce harmful effects to rotor shaft restoration.

Preferably, the moving platform comprises an axial moving platform 8 mounted on the support 3 and a radial moving platform 9 arranged on the axial moving platform 8, so as to realize the multi-directional movement of the grinding wheel 4. The first motor 5 of the grinding structure is mounted on a radial moving platform 9. The axial is equipped with first spout on the support 3, the bottom of axial moving platform 8 is equipped with the first slide rail that uses with first spout cooperation, be equipped with the second motor of drive axial moving platform 8 on the support 3. The axial moving platform 8 is radially provided with a second sliding groove, and the bottom of the radial moving platform 9 is provided with a second sliding rail matched with the second sliding groove.

Example 2

On the basis of taking embodiment 1 technical scheme, be equipped with first fixed plate on the axial moving platform 8, be equipped with first screw hole on the first fixed plate, radial moving platform 9 on be equipped with the second fixed plate, be equipped with the second screw hole on the second fixed plate, first screw hole is opposite with the downthehole screw thread direction of second screw, a screw rod passes second screw hole on the second fixed plate and the first screw hole on the first fixed plate in proper order, and the both ends of screw rod are equipped with the screw thread that uses with first screw hole and the cooperation of second screw hole respectively. The end of the screw is provided with a handle 10. The handle 10 is rotated to realize the relative movement of the radial moving platform 9 and the axial moving platform 8. The supporting connection plate 2 on be equipped with a plurality of through-holes, turning structure 1 on be equipped with the fixed orifices corresponding with the through-hole, the bolt passes through the through-hole on the supporting connection plate 2 and the fixed orifices on the turning structure 1 in proper order, realizes the fixed connection of supporting connection plate 2 and turning structure 1.

The utility model provides a wind turbine generator system generator rotor shaft grinding device's application method includes:

1) starting a dust collector before turning;

2) after turning is finished, the grinding device for the generator rotor shaft of the wind turbine generator is installed;

3) polishing the surface of the cutting position, driving an axial moving platform 8 by a second motor, enabling a grinding wheel 4 to move along the radial direction of a rotor shaft and polishing the repair position of the turned rotor shaft, and determining whether the size after polishing meets the required size to control the polishing amount;

4) after polishing, pull down the grinding device of this application, restore the completion.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a wind turbine generator system generator rotor shaft grinding device, the device install the turning structural, its characterized in that: the grinding device for the rotor shaft of the generator of the wind turbine generator comprises a grinding structure, a moving platform, a supporting and connecting plate and a support, wherein the supporting and connecting plate is fixed on a turning structure, the support is fixed on the supporting and connecting plate, the moving platform is installed on the support, the grinding structure comprises a grinding wheel and a first motor for driving the grinding wheel, the first motor is installed on the moving platform, and the grinding wheel is installed on the first motor.

2. The grinding device for the rotor shaft of the wind turbine generator according to claim 1, characterized in that: the wind turbine generator rotor shaft dust collector comprises a support connecting plate, and is characterized by further comprising a debris collecting device, wherein the debris collecting device comprises a dust hood arranged on the support connecting plate and a dust collector connected with the dust hood, and the dust hood is located on one side of the wind turbine generator rotor shaft.

3. The grinding device for the rotor shaft of the wind turbine generator according to claim 1, characterized in that: the movable platform comprises an axial movable platform arranged on the support and a radial movable platform arranged on the axial movable platform, and the first motor of the polishing structure is arranged on the radial movable platform.

4. The grinding device for the rotor shaft of the wind turbine generator according to claim 3, wherein: the axial is equipped with first spout on the support, axial moving platform's bottom is equipped with the first slide rail that uses with first spout cooperation, be equipped with the second motor of drive axial moving platform on the support.

5. The grinding device for the rotor shaft of the wind turbine generator according to claim 3 or 4, wherein: the axial moving platform is radially provided with a second sliding groove, and the bottom of the radial moving platform is provided with a second sliding rail matched with the second sliding groove.

6. The grinding device for the rotor shaft of the wind turbine generator according to claim 5, wherein: the axial moving platform on be equipped with first fixed plate, be equipped with first screw hole on the first fixed plate, radial moving platform on be equipped with the second fixed plate, be equipped with the second screw hole on the second fixed plate, first screw hole is opposite with the downthehole screw thread direction of second screw, a screw rod passes second screw hole on the second fixed plate and the first screw hole on the first fixed plate in proper order, and the both ends of screw rod are equipped with the screw thread that uses with first screw hole and the cooperation of second screw hole respectively.

7. The grinding device for the rotor shaft of the wind turbine generator according to claim 6, wherein: the end part of the screw rod is provided with a handle.

8. The grinding device for the rotor shaft of the wind turbine generator according to claim 1, characterized in that: the supporting connection plate is provided with a plurality of through holes, the turning structure is provided with fixing holes corresponding to the through holes, and the bolts sequentially penetrate through the through holes in the supporting connection plate and the fixing holes in the turning structure to realize the fixed connection of the supporting connection plate and the turning structure.