Displacement tool for machining rear rack of wind generating set

By designing a displacement fixture for the rear frame of a wind turbine generator set, and utilizing a combination of a support base and a rotating support frame, the angle adjustment of the rear frame is realized, solving the problem of time-consuming traditional clamping and improving processing efficiency.

CN223465902UActive Publication Date: 2025-10-24XIAN GUOSHUI WIND POWER EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422819387.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-24
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

In traditional processing methods, clamping the rear frame of a wind turbine generator is time-consuming and inefficient, especially since the angle between the connecting flange and the generator support plate requires secondary clamping and processing, resulting in low processing efficiency.

Method used

Design a positioning fixture including a support base, a support platform and a rotating support frame. By combining the support platform and the rotating support frame, the angle of the rear frame can be adjusted so that the generator support plate is perpendicular to the machine tool spindle, eliminating the need for secondary clamping and simplifying the machining process.

Benefits of technology

It improves the clamping efficiency of the rear frame, shortens the clamping time, increases processing efficiency, and simplifies the processing flow.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223465902U_ABST
    Figure CN223465902U_ABST
Patent Text Reader

Abstract

The utility model provides a deflection tool for processing a rear rack of a wind generating set, which comprises supporting seats, a supporting platform and rotary supporting frames, the supporting seats are arranged on two sides of one end of the supporting platform, and at least one rotary supporting frame is oppositely arranged on the outer side of the other end of the supporting platform. The upper end of the rotary supporting frame is higher than the upper surface of the supporting platform, one side of the upper end of the rotary supporting frame extends towards one side of the supporting platform, angle adjustment of the rear rack is achieved by adjusting the displacement tool, and the clamping time of the rear rack is shortened.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a processing auxiliary device of large -scale doubly -fed wind generating set rear frame, specifically point to a kind of for wind generating set rear frame processing's displacement tooling. BACKGROUND

[0002] The rear frame of doubly-fed wind generating set is an important component in wind generating set, and the rear motor shaft needs to be centered when connected with the front frame. The rear frame is large in size, with a length of 5-8 m and a width of 4-5 m. The connecting flange and the generator support plate for connecting the rear frame with the front frame are important installation surfaces, which need to be processed before installation. Since the included angle between the connecting flange and the generator support plate is 5-7°, in order to ensure that the included angle meets the requirements, the traditional processing method is gantry milling. After finding the vertical processing surface, the connecting flange is processed first, and then the generator support plate is clamped twice. Then, the motor support plate is leveled or the angle milling head is installed to process the 5-7° included angle. Therefore, when using the traditional processing method for processing, the clamping is time-consuming and inefficient. SUMMARY

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a displacement tooling for processing the rear frame of a wind generating set. The rear frame can be supported to a suitable angle by the displacement tooling, the generator support plate is perpendicular to the main shaft of the machine tool, and the clamping efficiency of the rear frame is improved without the need for secondary clamping.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A displacement tooling for processing the rear frame of a wind generating set, comprising a support seat, a support platform and a rotary support frame, the support platform is provided with the support seat on both sides of one end, at least one rotary support frame is provided on the outer side of the other end of the support platform, and the upper end of the rotary support frame is higher than the upper surface of the support platform and extends towards one side of the support platform.

[0006] Further, the support platform comprises a frame, a rotary shaft and a base, the rotary shaft is provided on both sides of one end of the frame, the rotary shaft is hinged to the support seat, and the base is provided on both sides of the bottom of the other end of the frame.

[0007] Further, the support seat comprises a first bottom plate, a rib plate and a shaft sleeve, the rib plate is on the first bottom plate, the shaft sleeve is provided on the upper end of the rib plate, and the rotary shaft is movably sleeved in the shaft sleeve.

[0008] Further, the rotating support frame comprises a second bottom plate, a column shaft and a rotating sleeve, the column shaft is vertically arranged on the second bottom plate, one end of the rotating sleeve is movably sleeved on the upper end of the column shaft, and the other end of the rotating sleeve is higher than the upper surface of the support platform.

[0009] Further, the other end of the rotating sleeve is provided with an inclined slope, and the inclined slope is downwardly inclined away from the column shaft.

[0010] Further, the rotating support frame further comprises an inclined surface positioning plate and an adjusting bolt, the inclined surface positioning plate is arranged on the inclined slope, and the adjusting bolt is arranged on the inclined surface positioning plate.

[0011] Further, at least one end of the inclined surface positioning plate extends out of the inclined slope, and the adjusting bolt is arranged on the inclined surface positioning plate extending out of the inclined slope.

[0012] Further, the upper end of the column shaft is provided with a support flange, and the support flange supports the lower end of the rotating sleeve.

[0013] Further, the rotating sleeve comprises an upper plate, a lower plate and side plates, the upper plate and the lower plate are arranged in an opposite and spaced manner, a pair of side plates are arranged in an opposite and spaced manner, parts of the pair of side plates are arranged between the upper plate and the lower plate, the upper end surface of the part of the pair of side plates not arranged between the upper plate and the lower plate is an inclined slope, and the upper plate and the lower plate are movably sleeved on the column shaft.

[0014] Further, the angle between the upper surface of the inclined surface positioning plate and the second bottom plate is 5-7°.

[0015] Due to the above technical scheme, the utility model has the following advantages and effects:

[0016] The utility model provides a kind of for the displacement tooling of wind generating set rear rack processing, by placing the rear rack of wind generating set on displacement tooling, the angle adjustment of rear rack is realized when being supported by displacement tooling, when the motor support plate on rear rack is processed, rotating support frame is set in support platform other end outside, make support rear rack and lathe spindle be opposite vertically, it can be processed to motor support plate;When the connecting flange on rear rack is processed, then directly place rear rack on support platform as a whole, rotating support frame is not used, after adjusting support platform to be in horizontal state, it can be realized that the processing of connecting flange, the utility model is adjusted displacement tooling to realize the angle adjustment of rear rack, need not be secondary clamping, shorten the clamping time of rear rack. ACCURACY

[0017] Figure 1 It is isometric structure schematic view of the utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the utility model in use state.

[0019] Figure 3 It is a schematic diagram of the enlarged structure of the support platform of the utility model.

[0020] Figure 4 It is a schematic diagram of the enlarged structure of the support seat of the utility model.

[0021] Figure 5 It is a schematic diagram of the enlarged structure of the rotary support frame of the present utility model.

[0022] The figures are marked as follows: 1-support seat; 101-first base plate; 102-rib plate; 103-sleeve; 2-support platform; 201-rotation axis; 202-frame; 203-base; 3-rotation support frame; 301-second base plate; 302-column axis; 3021-support flange; 303-rotation sleeve; 304-inclined positioning plate; 305-adjustment bolt; 4-rear frame. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings to describe the embodiments of the present invention in detail so that the purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the present invention, but are only intended to illustrate the essential spirit of the technical solution of the present invention.

[0024] like Figure 1 、 Figure 2 The present invention provides a displacement tool for machining the rear frame of a wind turbine generator set, comprising a support base 1, a support platform 2, and a rotating support frame 3. Support bases 1 are provided on both sides of one end of the support platform 2. A pair of support bases 1 are hingedly connected to both sides of the support platform 2. At least one rotating support frame 3 is provided on the outer side of the other end of the support platform 2. The upper end of the rotating support frame 3 is higher than the upper surface of the support platform 2, and one side of the upper end can extend toward one side of the support platform 2.

[0025] Specifically, in this embodiment, the rotating support frame 3 can include a pair, one, or three or more. When the rotating support frame 3 is a pair, they are respectively located on both sides of one end of the supporting platform 2.

[0026] When there is one rotating support frame 3, the rotating support frame 3 is arranged at the center of one end of the supporting platform 2. When there are three or more rotating support frames 3, the multiple rotating support frames 3 can be evenly spaced and arranged outside the end of the supporting platform 2.

[0027] The support seat 1, the support platform 2 and the rotary support frame 3 are all fixed on the machine tool workbench, the support seat 1 is hinged at one end of the support platform 2 for supporting one end of the rear frame 4, and flexible rotary adjustment of the support platform 2 can be realized. The rotary support frame 3 is arranged outside the other end of the support platform 2 to support the rear frame 4 opposite to the vertical direction of the main shaft of the machine tool, facilitating the machining of the motor support plate on the rear frame 4. When the generator support plate is not machined, the rotary support frame 3 is not used, and the upper end of the rotary support frame 3 is away from the other direction of the support platform 2.

[0028] When the connecting flange on the rear frame 4 is machined, the rear frame 4 is directly placed on the support platform 2, and after adjusting the support platform 2 to be horizontal, the machining of the connecting flange can be realized. By adjusting the angle of the displacement tooling, the angle of the rear frame 4 is adjusted, and the clamping time of the rear frame 4 is effectively shortened.

[0029] Further, as shown in Figure 3 The support platform 2 comprises a frame 202, a rotary shaft 201 and a base 203, both sides of one end of the frame 202 are provided with the rotary shaft 201, one end of the rotary shaft 201 is hinged with the support seat 1, and both sides of the bottom of the other end of the frame 202 are provided with the base 203.

[0030] Specifically, the frame 202 is welded into a rectangular frame structure by a section steel, and a cross section steel is arranged inside the frame 202 for connection and fixation. One end of the rotary shaft 201 is connected to the outer circumferential surface of the frame 202 on both sides, and the pair of rotary shafts 201 are coaxial with each other. The base 203 is arranged at the other end of the support platform 2 opposite to the support seat 1, so as to ensure that the support platform 2 is placed on the machine tool workbench in a horizontal position.

[0031] Further, as shown in Figure 4 The support seat 1 comprises a first bottom plate 101, a web plate 102 and a shaft sleeve 103, the web plate 102 is arranged on the first bottom plate 101, the upper end of the web plate 102 is provided with the shaft sleeve 103, and the rotary shaft 201 is movably sleeved in the shaft sleeve 103.

[0032] Specifically, the web plate 102 is an isosceles trapezoidal plate, the web plate 102 is parallel to the outer circumferential surface of the frame 202, the bottom of the web plate 102 is welded on the first bottom plate 101, and the upper end of the web plate 102 is welded with the outer circumferential surface of the shaft sleeve 103, so that the rotary shaft 201 is movably nested in the shaft sleeve 103, and one end of the support platform 2 can be flexibly rotated and adjusted.

[0033] The web plate 102 can comprise one pair, one or three or more. When the web plate is more than one pair, it is arranged on the first bottom plate 101 at intervals, and when the web plate 102 is one, its width can satisfy the support of the shaft sleeve 103.

[0034] Further, as shown in Figure 5The rotating support frame 3 comprises a second bottom plate 301, a column shaft 302 and a rotating sleeve 303. The column shaft 302 is vertically arranged on the second bottom plate 301. The rotating sleeve 303 is movably sleeved on the upper end of the column shaft 302, and the other end of the rotating sleeve 303 is higher than the upper surface of the support platform 2.

[0035] Specifically, the rotating sleeve 303 is movably sleeved on the outer periphery of the upper end of the column shaft 302. The second bottom plate 301 is fixed on the machine tool workbench. When it is needed to place the generator support plate horizontally, the rotating sleeve 303 is rotated to the direction parallel to the bottom surface of the rear rack 4. One end of the rotating support frame 3 extends to one side of the support platform 2. The rear rack 4 is placed on the extended end of the rotating sleeve 303, so that the generator support plate of the rear rack 4 is placed in a horizontal position.

[0036] Further, the other end of the rotating sleeve 303 has an inclined slope, which inclines downward away from the column shaft 302.

[0037] As a preferred, the angle between the inclined slope and the second bottom plate 301 is 5-7°, which is convenient for placing the generator support plate to be perpendicular to the main shaft of the machine tool motor.

[0038] Further, in order to conveniently support the rear rack 4, the rotating support frame 3 further comprises an inclined positioning plate 304 and an adjusting bolt 305. The inclined positioning plate 304 is arranged on the inclined slope and is integrally welded with the inclined slope. The adjusting bolt 305 is arranged on the inclined positioning plate 304. The inclined positioning plate 304 is provided with a bolt adjusting hole. The adjusting bolt 305 is threadedly connected in the bolt adjusting hole. One end of the adjusting bolt 305 extends out of the inclined positioning plate 304. The adjusting bolt 305 can be used to finely adjust the inclination angle of one end of the rear rack 4. When the inclined positioning plate 304 is arranged on the inclined slope, the upper surface of the inclined positioning plate 304 and the second bottom plate 301 form an angle of 5-7°.

[0039] Further, in order to conveniently install the adjusting bolt 305, at least one end of the inclined positioning plate 304 extends out of the inclined slope. The adjusting bolt 305 is arranged on the inclined positioning plate 304 extending out of the inclined slope.

[0040] Further, in order to conveniently support the rotating sleeve 303, the upper end of the column shaft 302 is provided with a supporting flange 3021, which supports the lower end of the rotating sleeve 303.

[0041] Further, the rotating sleeve 303 comprises an upper plate, a lower plate and a side plate. The upper plate and the lower plate are arranged in an upper-lower spaced manner. A pair of side plates are arranged in a left-right spaced manner. Part of the pair of side plates is arranged between the upper plate and the lower plate. The upper end surface of the part of the pair of side plates not arranged between the upper plate and the lower plate is an inclined slope. The upper plate and the lower plate are movably sleeved on the column shaft 302.

[0042] Specifically, the upper plate and the lower plate are both provided with a through hole, and the upper end of the column shaft 302 is movably sleeved in the through hole, and the lower end surface of the lower plate is supported on the support flange 3021.

[0043] The angle between the inclined surface and the second bottom plate 301 is preferably 6°, so that the generator support plate of the rear frame 4 is in a horizontal position during machining.

[0044] Further, in order to facilitate the rotation of the rotating sleeve 303, bearings can be nested in the through holes of the upper plate and the lower plate, and the column shaft 302 is movably connected with the upper plate and the lower plate through the bearings.

[0045] The rear frame 4 is fixed on the support platform 2, and the angle of the rear frame 4 is adjusted by adjusting the support height of the rotating support frame 3.

[0046] When machining the generator support plate on the rear frame 4, the rotating support frame 3 is turned to be parallel to the rear frame 4, and the rear frame 4 is supported on the rotating support frame 3 perpendicularly to the main shaft of the machine tool to realize the angle adjustment of the generator support plate, and then the generator support plate can be machined.

[0047] When machining the connecting flange on the rear frame 4, the rotating support frame 3 is removed, the support platform 2 is adjusted to be horizontal, and the rear frame 4 is supported on the entire support platform 2, and the connecting flange on the rear frame 4 is in a vertical state to realize the machining of the connecting flange.

[0048] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A displacement tooling for nacelle post machining of a wind turbine, characterized in that: The utility model provides a support seat (1), support platform (2) and rotating support frame (3), one end both sides of support platform (2) are provided with support seat (1), the outer side of the other end of support platform (2) is provided with at least one rotating support frame (3) oppositely, the upper end of rotating support frame (3) is higher than the upper surface of support platform (2) and the upper end side extends towards the side of support platform (2).

2. A displacement tooling for post nacelle machining of a wind turbine generator system as claimed in claim 1, wherein: The support platform (2) comprises a frame (202), a rotating shaft (201) and a base (203), the rotating shaft (201) is arranged on both sides of one end of the frame (202), the rotating shaft (201) is hinged to the support seat (1), and the base (203) is arranged on both sides of the bottom of the other end of the frame (202).

3. A displacement tooling for post nacelle machining of a wind turbine generator system as claimed in claim 2, wherein: The support seat (1) comprises a first bottom plate (101), a rib plate (102) and a shaft sleeve (103), the rib plate (102) is arranged on the first bottom plate (101), the upper end of the rib plate (102) is provided with the shaft sleeve (103), and the rotating shaft (201) is movably sleeved in the shaft sleeve (103).

4. A displacement tooling for processing the rear frame of a wind turbine generator set according to any one of claims 1-3, characterized in that: The rotating support frame (3) comprises a second bottom plate (301), a column shaft (302) and a rotating pipe sleeve (303), the column shaft (302) is vertically arranged on the second bottom plate (301), one end of the rotating pipe sleeve (303) is movably sleeved on the upper end of the column shaft (302), and the other end of the rotating pipe sleeve (303) is higher than the upper surface of the support platform (2).

5. A displacement fixture for processing the rear frame of a wind turbine generator set according to claim 4, characterized in that: The other end of the rotating pipe sleeve (303) has an inclined slope, and the inclined slope inclines downward away from the column shaft (302).

6. A displacement fixture for processing the rear frame of a wind turbine generator set according to claim 5, characterized in that: The rotating support frame (3) further comprises an inclined surface positioning plate (304) and an adjusting bolt (305), the inclined surface positioning plate (304) is arranged on the inclined slope, and the adjusting bolt (305) is arranged on the inclined surface positioning plate (304).

7. A displacement fixture for processing the rear frame of a wind turbine generator set according to claim 6, characterized in that: At least one end of the inclined surface positioning plate (304) extends out of the inclined slope, and the adjusting bolt (305) is arranged on the inclined surface positioning plate (304) extending out of the inclined slope.

8. A displacement tool for processing the rear frame of a wind turbine generator set according to claim 7, characterized in that: The upper end of the column shaft (302) is provided with a support flange (3021), and the support flange (3021) is supported on the lower end of the rotating pipe sleeve (303).

9. A displacement tool for processing the rear frame of a wind turbine generator set according to claim 8, characterized in that: The rotating pipe sleeve (303) comprises an upper plate, a lower plate and side plates, the upper plate and the lower plate are arranged in an upper-lower opposite manner, a pair of side plates are arranged in a left-right opposite manner, part of the pair of side plates is arranged between the upper plate and the lower plate, the upper end surface of the part of the pair of side plates not arranged between the upper plate and the lower plate is an inclined slope, and the upper plate and the lower plate are movably sleeved on the column shaft (302).

10. A displacement tool for machining of the nacelle rear frame of a wind turbine generator set according to claim 6, characterized in that: The angle between the upper surface of the inclined surface positioning plate (304) and the second bottom plate (301) is 5-7°.