CN220574933U - Rotor support tapping auxiliary device of giant wind generating set - Google Patents

Abstract

The utility model relates to a rotor support tapping auxiliary device of a giant wind turbine generator system, which comprises a lower connecting plate arranged at the bottom of the inner periphery of a rotor support, wherein a rotating upright post is axially arranged on the lower connecting plate, at least one rotating arm is radially arranged on the rotating upright post, one end of the rotating arm is sleeved on the rotating upright post and rotates along the circumferential direction of the rotating upright post, the other end of the rotating arm is movably hinged with a cantilever tapping machine, and the cantilever tapping machine rotates around the inner peripheral surface of the rotor support to machine a rotor yoke of the inner periphery of the rotor support. According to the utility model, the plurality of cantilever tapping machines capable of rotating and moving are arranged in the rotor support, so that the rotor support does not need to be moved, and the plurality of cantilever tapping machines rotate around the inner peripheral surface of the rotor support to simultaneously operate, thereby improving the working efficiency.

Description

Rotor support tapping auxiliary device of giant wind generating set

Technical Field

The utility model relates to a tapping auxiliary device of a rotor support, in particular to a tapping auxiliary device of a rotor support of a giant wind generating set.

Background

The inner circular magnetic yoke wall of the rotor bracket of the giant wind power generator set is in a shape of a giant wheel disc, the diameter of the inner circular magnetic yoke wall is large and can reach 10m, and the weight of the inner circular magnetic yoke wall is more than 10 tons. The rotor support has multiple according to the rotor yoke difference of inner periphery, and the rotor yoke is inside to have multiunit blind hole that is the slash to be distributed, and wherein a rotor yoke has 88 sets of 6M 8 blind holes that are the slash to be distributed, and another kind of rotor yoke is inside to be 84 sets of 7M 10 blind holes that are the slash to the slope of blind hole that are the slash to every group is still different, and these blind holes are used for fixed magnetic steel sheet in order to improve the reliability that the magnetic steel sheet is fixed.

At present, the blind hole of a rotor magnetic yoke is machined in two modes, one mode is through manual machining, namely, after a locating hole is machined through a drilling jig during machining, an operator enters the rotor support and drills one by one through a magnetic drill, a plurality of workers operate simultaneously during drilling, and after drilling is completed, manual tapping is carried out one by one to complete blind hole machining. The other processing mode is to use a large machine tool to process in a hoisting mode, and the large machine tool is used for processing, so that the cost is high, the rotor support is required to be hoisted in a reciprocating mode, time is wasted, and deformation and damage of the rotor support are easily caused by the fact that the rotor support is hoisted in a reciprocating mode.

Disclosure of Invention

In view of the above problems, the present utility model provides a rotor tapping auxiliary device for a giant wind turbine generator system, which is configured to set a plurality of cantilever tapping machines capable of moving rotationally in a rotor support, so that the rotor support does not need to be moved, and the plurality of cantilever tapping machines rotate around the inner peripheral surface of the rotor support to perform operations simultaneously, thereby effectively improving the working efficiency.

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

the utility model provides a huge wind generating set's rotor support tapping auxiliary device which characterized in that: including setting up the lower connecting plate in the inner periphery bottom of rotor support, be provided with rotatory stand on the lower connecting plate axially, the radial at least one swinging boom that is provided with of rotatory stand, the one end cover of swinging boom is established rotatory stand on follow rotatory stand circumference, the other end activity of swinging boom articulates there is the cantilever tapping machine, the cantilever tapping machine winds the inner peripheral face rotation of rotor support carries out the machining to the rotor yoke of rotor support inner periphery.

Further, the rotating arms at least comprise a pair of rotating arms, and the pair of rotating arms are arranged at intervals up and down along the rotating upright post.

Further, a bearing is sleeved on the rotary upright post, and one end of the rotary arm is connected with the bearing.

Further, the upper and lower spacer sleeve of periphery of rotatory stand is equipped with at the bottom of the cover and the cover on the bearing, the up end of cover on the bottom of the cover and the bearing all supports the bearing, the periphery cover of bearing is equipped with the connection base, the connection base is connected the one end of swinging boom.

Further, the rotating upright post is arranged at the center of the upper connecting plate and concentric with the inner periphery of the rotor bracket.

Further, the lower connection plate is mounted on the middle flange of the rotor bracket.

Further, the height of the rotating upright does not exceed the axial height of the rotor support, and the length of the rotating arm does not exceed the radius of the rotor support.

By adopting the technical scheme, the utility model has the following advantages and effects:

(1) According to the auxiliary device, the rotary upright post is arranged at the center of the rotor support, at least one pair of rotating arms which are spaced apart are sleeved in the radial direction of the rotary upright post, and the rotating arms can rotate 360 degrees around the center of the rotor support, so that the cantilever tapping machine on the rotating arms can rotate around the inner periphery of the rotor support to tap the rotor yoke, and a plurality of cantilever tapping machines can operate simultaneously, so that the labor intensity is reduced, and the working efficiency is improved.

(2) According to the auxiliary device, the cantilever tapping machine can rotate around the inner peripheral surface of the rotor support, so that adverse factors such as deformation and the like are not required to be caused easily in the process of hoisting the rotor support back and forth, the problem of high processing cost of a large machine tool is solved, and the processing cost is saved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged schematic view of part a of fig. 1.

FIG. 3 is a reference diagram of the usage status of the present utility model.

In the figure, 1-a lower connecting plate; 2-rotating the upright post; 3-a bearing bottom sleeve; 4-sleeving a bearing; 5-connecting the base; 6-bearing; 7-a bearing end cap; 8-a rubber gland; 9-a nut; 10-rotating arm; 11-cantilever tapping machine; 12-rotor support.

Detailed Description

The following detailed description of the embodiments of the present utility model will be provided with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present utility model. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the utility model, but rather are merely illustrative of the true spirit of the utility model.

The utility model provides a rotor support tapping auxiliary device of a giant wind turbine generator system, which is characterized in that a rotary upright post is axially and vertically arranged at the center of the inner periphery bottom of a rotor support, a plurality of rotating arms are radially and horizontally sleeved on the rotary upright post, and cantilever tapping machines are hinged to the outer ends of the rotating arms, so that the cantilever tapping machines rotate around the inner periphery of the rotor support by taking the rotary upright post as the center to tap a rotor yoke of the inner periphery of the rotor support. The utility model carries out simultaneous machining on the inner periphery of the rotor bracket by rotating the pair of cantilever tapping machines, has high working efficiency, does not need to use a large-scale machine tool for machining in a hoisting mode, and has low machining cost.

As shown in fig. 1-2. The utility model relates to a rotor support tapping auxiliary device of a giant wind turbine generator system, which comprises a lower connecting plate 1 arranged at the bottom of the inner periphery of a rotor support 12, wherein a rotating upright post 2 is axially arranged on the lower connecting plate 1, at least one rotating arm 10 is arranged on the radial outer periphery of the rotating upright post 2, one end of the rotating arm 10 is sleeved on the rotating upright post 2 and rotates along the circumferential direction of the rotating upright post 2, a cantilever tapping machine 11 is movably hinged to the other end of the rotating arm 10, and the cantilever tapping machine 11 rotates around the inner peripheral surface of the rotor support 12 to machine a rotor yoke of the inner periphery of the rotor support.

Specifically, according to the utility model, different positioning rabbets are processed on the periphery of the lower connecting plate 1 according to the size of the middle flange of the rotor bracket, and the lower connecting plate 1 is fixed while the positioning rabbets are matched with the diameter of the middle flange. The center of the lower connecting plate 1 is drilled with a mounting hole, the rotary upright post 2 is connected with the mounting hole of the lower connecting plate 1, and the lower end of the rotary upright post 1 extends out of the lower plate surface of the lower connecting plate 2 and is then screwed by a nut. The rotary upright post 2 is arranged at the center of the upper connecting plate 1 and concentric with the inner periphery of the rotor bracket 12.

Further, the rotating arms at least comprise a pair of rotating arms, and the pair of rotating arms are arranged at intervals up and down along the rotating upright post.

Specifically, in the present utility model, the rotating arms include a pair of rotating arms 10 disposed at intervals, and the pair of rotating arms 10 are disposed at the upper and lower ends of the rotating column 2, respectively.

Of course, preferably, a plurality of rotating arms may be arranged on the rotating arm in parallel at intervals according to the size of the rotor support, and the outer end of each rotating arm is hinged with the cantilever tunneling machine.

Further, a bearing 6 is sleeved on the rotating upright post 2, and one end of the rotating arm 10 is connected with the bearing 6. In order to facilitate the rotation of the rotating arm 10 around the outer periphery of the rotating upright 2, one end of the rotating arm 10 connected with the rotating upright 2 is connected through a bearing, the bearing 6 is sleeved on the outer periphery of the rotating upright 2, and one end of the rotating arm 10 is sleeved on the outer periphery of the bearing 6.

Further, the upper and lower spacer sleeve of periphery of the rotation upright post 2 is provided with a bearing bottom sleeve 3 and a bearing upper sleeve 4, the upper end surfaces of the bearing bottom sleeve 3 and the bearing upper sleeve 4 are respectively supported by the bearing 6, the periphery of the bearing 6 is sleeved with a connecting base 5, and the connecting base 5 is connected with one end of the rotating arm 10.

Specifically, when the rotating arms are a pair, the bottom of the rotating column 2 is sleeved with the bearing bottom sleeve 3, the bottom of the bearing bottom sleeve 3 resists the surface of the upper connecting plate 1, the upper end surface of the bearing bottom sleeve 3 supports the bearing 6 at the bottom of the rotating column 2, the rotating column 2 at the upper end of the bearing 6 is sleeved with the bearing upper sleeve 4, the upper end surface of the bearing upper sleeve 4 supports the bearing at the top of the rotating column 2, and the bearing 6 is preferably a tapered roller bearing. The periphery of the bearing 6 is connected with a connecting base 5, the connecting base 5 is connected with a rotating arm 10 positioned at the inner periphery of the rotor bracket, a cantilever tapping machine 11 is arranged at the outer end of each rotating arm 10, and the cantilever tapping machine 11 is hinged with the rotating arm 10.

Preferably, when the number of the rotating arms 10 is plural, the bearing bottom sleeves 3 are sleeved at the bottommost part of the rotating upright 2 for supporting the bottom bearings, all the bearings at the upper ends of the bottom bearings are supported by the bearing upper sleeves 4, and the bearing upper sleeves 4 are sequentially and alternately provided for respectively supporting each bearing 6 corresponding to the upper end surfaces of the bearing upper sleeves.

Further, for ease of operation, the height of the rotating post 2 does not exceed the axial height of the rotor support 12, the height of the rotating post 2 is substantially half the axial height of the rotor support 12, and the length of the rotating arm 10 is slightly greater than half the radius of the rotor support 12. The rotating arm 2 just meets the cross operation requirement of the cantilever tapping machine 11 when being vertically spaced so as to meet the requirement that the operation range of the cantilever tapping machine is not influenced after the cantilever tapping machine 11 is installed.

Further, in order to prevent dust from entering the bearings 6, bearing end covers 7 are mounted at the upper end and the lower end of each bearing 6, a rubber gland 8 is mounted on the bearing end cover 7 at the upper end of the topmost bearing 6, the rubber gland 8 is sleeved on the rotating upright post 2, and the rotating upright post 2 is connected with the rotating upright post 2 through nuts 9 in a threaded manner to restrict the rubber gland 8, so that dust and sundries are prevented from entering the bearings.

As shown in fig. 3. When the auxiliary device is used, as the two rotating arms 10 are in sliding sleeve connection with the rotating upright post 2, the cantilever tapping machine 11 is arranged at the outer ends of the two rotating arms 10, the cantilever tapping machine 11 can randomly rotate 360 degrees around the rotating upright post, the two cantilever tapping machines 11 can rotate to different positions on the inner peripheral surface of the rotor bracket, and two workers can simultaneously operate to perform tapping or drilling operation, and all threaded holes on the rotor magnetic yoke are sequentially processed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. The utility model provides a huge wind generating set's rotor support tapping auxiliary device which characterized in that: the rotary upright post is arranged at the center of the lower connecting plate and concentric with the inner periphery of the rotor bracket; the radial direction of rotation stand is provided with at least a pair of rotation arm, a pair of rotation arm along rotation stand interval set up from top to bottom, the one end cover of rotation arm establish rotation stand on follow rotation stand circumference is rotatory, the other end activity of rotation arm articulates there is the cantilever tapping machine, cantilever tapping machine on the rotation arm outer end can rotate wantonly around rotation stand 360, the cantilever tapping machine can rotate to the different positions of rotor support inner peripheral face and carry out the machining to the rotor yoke of rotor support inner periphery.

2. The rotor support tapping auxiliary device of a giant wind turbine generator system according to claim 1, wherein: the rotary upright post is sleeved with a bearing, and one end of the rotary arm is connected with the bearing.

3. The rotor support tapping auxiliary device of a giant wind turbine generator system according to claim 1 or 2, wherein: the upper end face of the bearing bottom sleeve and the upper end face of the bearing upper sleeve are respectively supported by the bearing, the periphery of the bearing is sleeved with a connecting base, and the connecting base is connected with one end of the rotating arm.

4. A rotor support tapping assist device for a giant wind turbine generator system as defined in claim 3, wherein: the lower connecting plate is arranged on the middle flange of the rotor bracket.

5. The auxiliary tapping device for the rotor support of the giant wind turbine generator system according to claim 4, wherein the auxiliary tapping device comprises: the height of the rotating upright post does not exceed the axial height of the rotor support, and the length of the rotating arm does not exceed the radius of the rotor support.