CN216945802U - Tool for assembling secondary output shaft of wind generating set - Google Patents
Tool for assembling secondary output shaft of wind generating set Download PDFInfo
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- CN216945802U CN216945802U CN202123129672.7U CN202123129672U CN216945802U CN 216945802 U CN216945802 U CN 216945802U CN 202123129672 U CN202123129672 U CN 202123129672U CN 216945802 U CN216945802 U CN 216945802U
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- output shaft
- cushion block
- hanging beam
- tool
- secondary output
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a tool for assembling a secondary output shaft of a wind generating set, which comprises a hanging beam, an output shaft connecting structure for fixing with the secondary output shaft and adjustable supporting structures connected to two sides of the hanging beam; the output shaft connecting structure is connected to the middle part of the hanging beam; the adjustable supporting structure comprises supporting legs and cushion blocks; the supporting legs are connected with the hanging beam; the supporting legs are provided with supporting leg accommodating cavities; the bottom wall of the supporting leg accommodating cavity is provided with a bottom hole; the cushion block extends into the supporting leg accommodating cavity to reduce the height of the adjustable supporting structure; the cushion block penetrates out of the supporting leg accommodating cavity from the bottom hole and is arranged below the supporting leg in a cushioning mode, so that the height of the adjustable supporting structure is increased, and the height of the hanging beam is heightened. The tool can be suitable for inner holes of primary sun gears with different sizes, accurate gap height can be reserved between a secondary output shaft and the primary sun gear, and gap precision is high.
Description
Technical Field
The utility model relates to the technical field of wind power generation assembly, in particular to a tool for assembling a secondary output shaft of a wind generating set.
Background
The semi-direct-drive wind generating set comprises a gear box component due to the structural characteristics of the semi-direct-drive wind generating set, and a first-stage sun gear, a second-stage planet gear, a second-stage output shaft and other parts are arranged in the gear box. As shown in fig. 1, a secondary output shaft 1 is mounted in the middle of a circle of secondary planet wheels 2 distributed circumferentially and is in gear engagement with each secondary planet wheel 2; a gap 4 exists between the end faces of the secondary output shaft 1 and the primary sun gear 3, the height of the gap 4 is different in different machine types, and the requirement for height error is extremely strict so as to ensure that the gear meshing length of the secondary output shaft 1 and the secondary planet gear 2 meets the requirement.
The assembly of the secondary output shaft is usually carried out in the vertical state of the gear box, the secondary output shaft is vertically lifted by the travelling crane and then placed in the middle of the secondary planet wheel, and the height of a gap is ensured by arranging a tool cushion block between the secondary output shaft and the primary sun wheel in the conventional assembly technology.
Along with the technical development of large-scale wind generating sets, the size of the first-level sun gear is larger and larger, and in order to save cost and reduce self weight, the inner hole of the first-level sun gear is also larger and larger, so that the original assembly technology cannot meet the requirements. Therefore, a tool for assembling a secondary output shaft and suitable for inner holes of primary sun gears with different sizes needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a tool for assembling a secondary output shaft of a wind generating set. The tool can be suitable for inner holes of primary sun gears with different sizes, accurate gap height can be reserved between a secondary output shaft and the primary sun gear, and gap precision is high.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a frock for assembly of wind generating set second grade output shaft which characterized in that: comprises a hanging beam, an output shaft connecting structure used for being fixed with a secondary output shaft and adjustable supporting structures connected to two sides of the hanging beam; the output shaft connecting structure is connected to the middle part of the hanging beam; the adjustable supporting structure comprises supporting legs and cushion blocks; the supporting legs are connected with the hanging beam; the supporting legs are provided with supporting leg accommodating cavities; the bottom wall of the supporting leg accommodating cavity is provided with a bottom hole; the cushion block extends into the supporting leg accommodating cavity to reduce the height of the adjustable supporting structure; the cushion block penetrates out of the supporting leg accommodating cavity from the bottom hole and is arranged below the supporting leg in a cushioning mode, so that the height of the adjustable supporting structure is increased, and the height of the hanging beam is heightened.
The use principle of the tool is as follows: firstly, the secondary output shaft is in a placing state (supported on the primary sun gear), and the tool is connected with the secondary output shaft through the connection structure of the output shaft and the secondary output shaft; at the moment, the cushion block is accommodated in the supporting leg accommodating cavity, the height of the adjustable supporting structure is smaller, and the bottom surface of the supporting leg is supported on a coupling flange of the wind generating set; then, the lifting beam is lifted to drive the secondary output shaft to move upwards, the moving distance is greater than the height of the cushion block, and the cushion block penetrates out of the supporting leg accommodating cavity from the bottom hole; rotating the cushion block by a certain angle to make the cushion block staggered with the bottom hole part area; the lifting beam is put down, the supporting legs are supported on the cushion blocks, and the height of the lifting beam raises the setting height of the cushion blocks, so that a gap with the same height as the setting height of the cushion blocks is reserved between the secondary output shaft and the primary sun gear; and then fixing the secondary output shaft, and dismantling the tool to complete the installation of the secondary output shaft.
The tool can ensure that an accurate gap height is reserved between the secondary output shaft and the primary sun gear, and the requirement of the installation gap between the secondary output shaft and the primary sun gear is met, so that the gear meshing length of the secondary output shaft and the secondary planet gear is ensured to meet the requirement, and the assembly efficiency is improved. Compared with the traditional tool for placing the cushion block in the gear box, the tool is externally assembled in the whole process, so that the sizes of the inner holes of the first-stage sun gears with different sizes are different, the tool disclosed by the utility model is applicable and high in universality; meanwhile, the observation is convenient, and the invisible assembly quality problem can be avoided.
Preferably, the upper end of the cushion block is provided with a limiting structure; the limiting structure comprises a column body and a baffle; the column body is arranged on the cushion block; the baffle is positioned above the column body and is detachably connected with the column body; and under the state that the cushion block is arranged below the supporting leg, the baffle is clamped on the upper hole edge of the bottom hole.
The baffle can prevent the cushion block from being completely separated from the supporting leg, so that the use convenience is improved; simultaneously baffle and cylinder detachable connections to realize the equipment and the dismantlement of cushion and landing leg, conveniently establish the cushion of high demand change co-altitude for the difference pad, improve the commonality of frock.
Preferably, the cushion block comprises a cushion block seat and a cushion block body arranged on the cushion block seat; the cushion block seat is clamped at the lower hole edge of the bottom hole. The cushion block seat can prevent the cushion block from completely entering the supporting leg accommodating cavity, and the use convenience is further improved.
Preferably, a padding platform is formed at the upper end of the padding block body; the distance between the farthest two points on the cushion platform is larger than the distance between the nearest two points on the cross section of the bottom hole, so that the cushion block body is arranged below the support legs in a cushioning mode.
Preferably, the cross section of the cushion block body is in a rectangular shape with different lengths and widths; the cross section of the bottom hole is matched with that of the cushion block body.
Preferably, the bottom end of the supporting leg is provided with a positioning groove.
Preferably, the output shaft connecting structure comprises a hoisting flange plate and a first connecting piece; the hoisting flange plate is connected with the hoisting beam; connecting holes are distributed on the hoisting flange plate; the first connecting piece penetrates through the connecting hole and is connected with the second-stage output shaft so as to realize connection of the hanging beam and the second-stage output shaft.
Preferably, the suspension beam is provided with a lifting lug.
Preferably, the hanging beam and the supporting leg are connected through a second connecting piece.
Preferably, the hanging beam is provided with a long hole extending along the length direction of the hanging beam; the second connecting piece is inserted into the elongated hole and connected with the support leg to realize the positioning and fixing between the hanging beam and the support leg. The universality of the tool can be improved by adjusting the position of the second connecting piece in the elongated hole.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the tool, the accurate gap height is reserved between the secondary output shaft and the primary sun gear through the cushion height of the cushion block, the gap precision is high, the requirement of the installation gap between the secondary output shaft and the primary sun gear is met, and the assembly efficiency is improved;
2. according to the tool, the cushion block and the supporting leg are detachable, the gap requirements of different gear boxes can be met by replacing the cushion block, and the tool is high in universality;
3. the tool is externally assembled in the whole process, so that the sizes of the inner holes of the first-stage sun gears with different sizes are different, the tool is applicable, and the universality is high; meanwhile, the observation is convenient, and the invisible assembly quality problem can be avoided.
Drawings
FIG. 1 is a schematic view of the internal structure of a wind turbine gearbox;
FIG. 2 is a schematic view of the inventive tool as applied to a wind turbine;
FIG. 3 is a schematic structural view of a connecting structure of a hanging beam and an output shaft of the tool of the utility model;
FIG. 4 is a schematic structural view of a leg of the tooling of the present invention;
FIG. 5 is a schematic view of the structure of the spacer of the inventive tool;
FIG. 6 is a schematic structural view of a baffle of the inventive tooling;
FIG. 7 is a schematic view of the inventive tool with the spacer block extending into the leg receiving cavity;
FIG. 8 is an enlarged view of portion A of FIG. 7;
FIG. 9 is a schematic view of the inventive tool in a state where the pad block pads are disposed below the legs;
FIG. 10 is an enlarged view of portion B of FIG. 9;
wherein, 1 is the second grade output shaft, 2 is the second grade planet wheel, 3 is the first grade sun gear, 4 is the clearance, 5 is the cover bolt that expands, 6 is the cover that expands outward, 7 is the cover that expands in, 8 is the shaft coupling, 9 is the hanging beam, 9.1 is the lug, 9.2 is the slotted hole, 10 is the lifting bolt, 11 is stop nut, 12 is connecting piece two, 13 is the landing leg, 13.1 is the bottom opening, 13.2 is the landing leg holding chamber, 13.3 is the constant head tank, 14 is the baffle connecting piece, 15 is the baffle, 16 is the cushion, 16.1 is the cushion body, 16.2 is the cushion seat, 17 is the cylinder, 18 is the hoisting flange dish.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 2 to 6, the tool for assembling the secondary output shaft of the wind turbine generator system includes a hanging beam 9, an output shaft connecting structure, and adjustable support structures connected to two sides of the hanging beam 9.
For convenient hoisting, the hanging beam 9 is preferably provided with a lifting lug 9.1. The output shaft connecting structure is connected to the middle part of the hanging beam 9 and used for being fixed with the secondary output shaft 1. The output shaft connecting structure comprises a hoisting flange plate 18 and a first connecting piece; in this embodiment, the first connecting member preferably employs a lifting bolt 10 and a limit nut 11. The hoisting flange plate 18 is connected with the hoisting beam 9; connecting holes are distributed on the hoisting flange plate 18; the first connecting piece penetrates through the connecting hole and is connected with the second-stage output shaft 1, so that the hanging beam 9 is connected with the second-stage output shaft 1.
The hanging beam 9 is provided with a long hole 9.2 extending along the length direction of the hanging beam 9; the second connecting piece 12 is inserted into the elongated hole 9.2 and connected with the supporting leg 13 to realize the positioning and fixing between the hanging beam 9 and the supporting leg 13; the universality of the tool can be improved by adjusting the position of the second connecting piece 12 in the elongated hole 9.2.
The adjustable support structure comprises legs 13 and a spacer 16; the supporting legs 13 are connected with the hanging beam 9; the supporting leg 13 is provided with a supporting leg accommodating cavity 13.2; the bottom wall of the supporting leg accommodating cavity 13.2 is provided with a bottom hole 13.1; the cushion block 16 extends into the leg accommodating cavity 13.2 to reduce the height of the adjustable supporting structure; the cushion block 16 penetrates out of the leg accommodating cavity 13.2 from the bottom hole 13.1 and is cushioned below the leg 13 to increase the height of the adjustable supporting structure, so that the height of the hanging beam 9 is increased.
Specifically, the cushion block 16 comprises a cushion block seat 16.2 and a cushion block body 16.1 arranged on the cushion block seat 16.2; the cushion block seat 16.2 is clamped at the lower hole edge of the bottom hole 13.1. The cushion block seat 16.2 can prevent the cushion block 16 from completely entering the supporting leg accommodating cavity 13.2, and the use convenience degree is further improved.
A cushion platform is formed at the upper end of the cushion block body 16.1; the distance between two farthest points on the cushion platform is larger than the distance between two closest points on the cross section of the bottom hole 13.1, so that the cushion block body 16.1 is cushioned below the supporting leg 13. For example, in the embodiment, the cross section of the cushion block body 16.1 is rectangular with different lengths and widths; the cross section of the bottom hole 13.1 is matched with that of the cushion block body 16.1.
The bottom ends of the legs 13 are preferably provided with positioning slots 13.3.
The upper end of the cushion block 16 is provided with a limiting structure; the limiting structure comprises a column body 17 and a baffle 15; the column 17 is arranged on the cushion block 16; the baffle 15 is positioned above the column 17 and is detachably connected with the column 17 through a baffle connecting piece 14; the baffle 15 is clamped on the upper hole edge of the bottom hole 13.1 under the state that the cushion block 16 is arranged below the supporting leg 13 in a cushioning mode.
The baffle 15 can prevent the cushion block 16 from being completely separated from the supporting leg 13, so that the use convenience is improved; meanwhile, the baffle 15 and the column 17 are detachably connected, so that the cushion blocks 16 and the supporting legs 13 are assembled and disassembled, the cushion blocks 16 with different heights can be replaced conveniently for different cushions, and the universality of the tool is improved.
The use principle of the tool is as follows: firstly, the secondary output shaft 1 is in a placing state (supported on the primary sun gear), and is connected with the secondary output shaft 1 through an output shaft connecting structure to realize the connection of a tool and the secondary output shaft 1; at this time, the cushion block 16 is accommodated in the leg accommodating cavity 13.2, the height of the adjustable supporting structure is small, and the bottom surface of the leg 13 is supported on a coupling flange of the wind generating set, as shown in fig. 7 and 8; then, the lifting beam 9 is lifted to drive the secondary output shaft 1 to move upwards, the moving distance is greater than the height of the cushion block, and the cushion block 16 penetrates out of the supporting leg accommodating cavity 13.2 from the bottom hole 13.1; rotating the cushion block 16 by a certain angle to make the cushion block 16 staggered with the partial area of the bottom hole 13.1; the hanging beam 9 is put down, the supporting legs 13 are supported on the cushion blocks 16, the height of the hanging beam 9 is increased by the setting height of the cushion blocks 16, as shown in figures 9 and 10, and therefore a gap with the same setting height as the setting height of the cushion is reserved between the secondary output shaft 1 and the primary sun gear; and then the second-stage output shaft 1 is fixed through the inner expansion sleeve and the outer expansion sleeve, and the tool is removed, so that the installation of the second-stage output shaft 1 can be completed.
The tool can ensure that an accurate gap height is reserved between the secondary output shaft 1 and the primary sun gear, and the requirement of the installation gap between the secondary output shaft 1 and the primary sun gear is met, so that the gear meshing length of the secondary output shaft 1 and the secondary planet gear is ensured to meet the requirement, and the assembly efficiency is improved. Compared with the traditional tool for placing the cushion block in the gear box, the tool is externally assembled in the whole process, so that the sizes of the inner holes of the primary sun gears with different sizes are different, the tool disclosed by the utility model is applicable and high in universality; meanwhile, the observation is convenient, and the invisible assembly quality problem can be avoided.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a frock for assembly of wind generating set second grade output shaft which characterized in that: comprises a hanging beam, an output shaft connecting structure used for being fixed with a secondary output shaft and adjustable supporting structures connected to two sides of the hanging beam; the output shaft connecting structure is connected to the middle part of the hanging beam; the adjustable supporting structure comprises supporting legs and cushion blocks; the supporting legs are connected with the hanging beam; the supporting legs are provided with supporting leg accommodating cavities; the bottom wall of the supporting leg accommodating cavity is provided with a bottom hole; the cushion block extends into the supporting leg accommodating cavity to reduce the height of the adjustable supporting structure; the cushion block penetrates out of the supporting leg accommodating cavity from the bottom hole and is arranged below the supporting leg in a cushioning mode, so that the height of the adjustable supporting structure is increased, and the height of the hanging beam is heightened.
2. The tool for assembling the secondary output shaft of the wind generating set according to claim 1, wherein: the upper end of the cushion block is provided with a limiting structure; the limiting structure comprises a column body and a baffle; the column body is arranged on the cushion block; the baffle is positioned above the column body and is detachably connected with the column body; and under the state that the cushion block is arranged below the supporting leg, the baffle is clamped on the upper hole edge of the bottom hole.
3. The tool for assembling the secondary output shaft of the wind generating set according to claim 1, wherein: the cushion block comprises a cushion block seat and a cushion block body arranged on the cushion block seat; the cushion block seat is clamped at the lower hole edge of the bottom hole.
4. The tool for assembling the secondary output shaft of the wind generating set according to claim 3, wherein: a cushion platform is formed at the upper end of the cushion block body; the distance between the farthest two points on the cushion platform is larger than the distance between the nearest two points on the cross section of the bottom hole, so that the cushion block body is cushioned with the platform below the supporting legs.
5. The tool for assembling the secondary output shaft of the wind generating set according to claim 4, wherein: the cross section of the cushion block body is in a rectangular shape with different lengths and widths; the cross section of the bottom hole is matched with that of the cushion block body.
6. The tool for assembling the secondary output shaft of the wind generating set according to claim 1, wherein: and the bottom ends of the supporting legs are provided with positioning grooves.
7. The tool for assembling the secondary output shaft of the wind generating set according to any one of claims 1 to 6, wherein: the output shaft connecting structure comprises a hoisting flange plate and a first connecting piece; the hoisting flange plate is connected with the hoisting beam; connecting holes are distributed on the hoisting flange plate; the first connecting piece penetrates through the connecting hole and is connected with the second-stage output shaft so as to realize connection of the hanging beam and the second-stage output shaft.
8. The tool for assembling the secondary output shaft of the wind generating set according to any one of claims 1 to 6, wherein: the hanging beam is provided with a lifting lug.
9. The tool for assembling the secondary output shaft of the wind generating set according to any one of claims 1 to 6, wherein: the hanging beam is connected with the supporting leg through a second connecting piece.
10. The tool for assembling the secondary output shaft of the wind generating set according to claim 9, wherein: the hanging beam is provided with a long hole extending along the length direction of the hanging beam; the second connecting piece is inserted into the elongated hole and connected with the support leg to realize the positioning and fixing between the hanging beam and the support leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129672.7U CN216945802U (en) | 2021-12-14 | 2021-12-14 | Tool for assembling secondary output shaft of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129672.7U CN216945802U (en) | 2021-12-14 | 2021-12-14 | Tool for assembling secondary output shaft of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216945802U true CN216945802U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123129672.7U Active CN216945802U (en) | 2021-12-14 | 2021-12-14 | Tool for assembling secondary output shaft of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216945802U (en) |
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2021
- 2021-12-14 CN CN202123129672.7U patent/CN216945802U/en active Active
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