CN219827505U - High-speed shaft coupling expansion sleeve compression device of wind turbine generator - Google Patents
High-speed shaft coupling expansion sleeve compression device of wind turbine generator Download PDFInfo
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- CN219827505U CN219827505U CN202320358908.4U CN202320358908U CN219827505U CN 219827505 U CN219827505 U CN 219827505U CN 202320358908 U CN202320358908 U CN 202320358908U CN 219827505 U CN219827505 U CN 219827505U
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- expansion sleeve
- flange
- tool
- screw
- speed shaft
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- 230000006835 compression Effects 0.000 title claims abstract description 19
- 238000007906 compression Methods 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 abstract description 15
- 239000010720 hydraulic oil Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
The utility model provides a compressing device for an expansion sleeve of a high-speed shaft coupling of a wind turbine, which comprises at least two groups of compressing components arranged on an expansion sleeve, wherein the compressing components comprise a tool screw, a jacking unit for driving the tool screw to lift and a tool cushion block for connecting the jacking unit and a flange, the tool screw penetrates through the tool cushion block and the flange to be connected with the expansion sleeve, and the tool screw drives the expansion sleeve to be close to the flange for compressing under the driving of the jacking unit. According to the utility model, the hydraulic pump and the jacking type hydraulic hollow cylinder are matched with the tooling screw rod and the tooling cushion block, so that the quick compression of the expansion sleeve of the high-speed shaft coupler is realized, and then the installation of the expansion sleeve can be completed by two diagonal tightening steps.
Description
Technical Field
The utility model relates to the technical field of wind turbine generator component compression, in particular to a wind turbine generator high-speed shaft coupler expansion sleeve compression device.
Background
The expansion sleeve (expansion coupling sleeve, keyless bearing) is a keyless coupling device, and the principle is that huge holding force is generated between an inner ring and a shaft and between an outer ring and a hub by the action of high-strength bolt tension, so that keyless coupling is realized. When bearing load, the combined pressure of the expansion sleeve and the machine part and the shaft and the concomitant friction force are used for transmitting torque, axial force or the combined load of the two. The expansion sleeve connection has the following advantages: the centering accuracy is high; the installation, adjustment and disassembly are convenient; the strength is high, and the connection is stable and reliable; the device can be protected from damage in overload, is particularly suitable for transmitting heavy load, and is widely applied to heavy machinery, packaging machinery, numerical control machine tools, automatic production line equipment and the like.
The high-speed shaft coupling expansion sleeve which is widely adopted in the wind power industry at present is pressed by screwing countersunk head inner hexagon screws by manual wrench diagonal staggered torque, so that slow pressing is realized, the original rigid connecting flange assembly only needs to be diagonally screwed twice, and more than ten times are needed at the position to realize screwing.
Because the compression stroke of the expansion sleeve is larger, the tightening time of the manual wrench is larger, and the installation quality cannot be better ensured.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a compression device for an expansion sleeve of a high-speed shaft coupler of a wind turbine generator.
In order to achieve the above purpose, the utility model provides a compression device for an expansion sleeve of a high-speed shaft coupling of a wind turbine, which comprises at least two groups of compression components arranged on an expansion sleeve, wherein the compression components comprise a tool screw, a jacking unit for driving the tool screw to lift and a tool cushion block for connecting the jacking unit and a flange, the tool screw penetrates through the tool cushion block and the flange to be connected with the expansion sleeve, and the tool screw drives the expansion sleeve to be close to the flange for compression under the driving of the jacking unit.
According to the technical scheme, the tool screw is driven by the jacking component to drive the expansion sleeve to compress towards the flange, meanwhile, the jacking component and the flange are fixed by the tool cushion block, the rapid compression of the expansion sleeve of the high-speed shaft coupler is realized, the installation working hours are greatly shortened, the cost is low, and the device is light, simple and easy to operate.
Preferably, the flange comprises a bottom and a guide part, the expansion sleeve is gradually pressed towards the bottom along the guide part under the drive of the tool screw, and the guide surface of the guide part is an inclined surface.
With the technical proposal, the expansion sleeve is pressed close along the guide part under the drive of the tool screw rod to replace the traditional multiple engagement friction of the bolt and the threaded hole, reduce the relative abrasion, improve the precision of the pretightening force of the bolt and the discrete type,
preferably, the pressing part is provided with 4 groups and is uniformly distributed at the bottom of the flange.
By combining the technical scheme, 4 uniformly distributed compression parts are arranged in the technical scheme, and meanwhile, the tooling screw is driven to drive the expansion sleeve to rapidly compress, so that the compression stress is uniform, and the compression effect is good.
Preferably, the tool cushion block comprises a mounting part, the mounting part is connected with the jacking unit, the mounting part further comprises at least two positioning bosses, each positioning boss is inserted into the flange, and the tool screw is sequentially inserted into one of the positioning bosses, the flange and the expansion sleeve to be connected.
In this technical scheme, the frock cushion sets up the frock cushion to including the installation department for the connecting piece of connection jacking unit and flange, and the installation department passes through the screw and is connected with the jacking unit, and in the location boss on the installation department inserted the flange, insert one of them location boss through the frock screw rod, compress tightly the quick travel of cover with compressing tightly the connection realization of cover and compress tightly.
Preferably, the number of the positioning bosses is 3, and the tool screw is inserted into the positioning boss of the middle part.
Considering the stability of the tool cushion block and flange connection and the insertion guide of the tool screw, the technical scheme is provided with 3 positioning bosses, and the connection and the guidance are good.
Preferably, the jacking unit comprises a hydraulic hollow oil cylinder, the hydraulic hollow oil cylinder comprises a piston part and a cylinder body part, the piston part is provided with a tool nut, and the tool screw rod penetrates through the piston part and is connected with the tool nut.
The wind turbine generator high-speed shaft coupling has the advantages that the size is large, the compression stroke of the expansion sleeve is large, the large driving force is needed, the requirement can be met by adopting a hydraulic oil cylinder mode, and the installation and the disassembly are convenient.
The utility model has the beneficial effects that: according to the utility model, by means of the hydraulic oil cylinder, the tooling screw rod and the tooling cushion block, the tooling screw rod expansion sleeve is rapidly close to and tightly pressed on the flange under the drive of the hydraulic oil cylinder, and then the expansion sleeve can be installed by two diagonal tightening; the method can shorten the installation time by 80%, reduce the multiple engagement friction of the bolt and the threaded hole installation, reduce relative abrasion, improve the pretightening force precision and discrete type of the bolt, and increase the connection reliability.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of an embodiment of the present utility model.
FIG. 3 is a schematic view of the structure of the expansion joint and the flange connection part according to the embodiment of the utility model.
Fig. 4 is a schematic diagram of a connection structure between a jacking unit and a tooling cushion block.
Fig. 5 is a schematic structural diagram of a tooling pad.
In the figure: the device comprises a 1-jacking unit, a 2-tooling screw, a 3-tooling cushion block, a 4-tooling nut, a 5-flange, a 6-expansion sleeve, a 51-bottom, a 52-guiding part, a 21-piston part, a 22-cylinder part and a 31-positioning boss.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
As shown in fig. 1 to 5, the embodiment provides a compressing device for a high-speed shaft coupling expansion sleeve of a wind turbine, which comprises at least two groups of compressing components mounted on an expansion sleeve 6, specifically, 4 groups of compressing components are provided and uniformly distributed at the bottom 51 of a flange 5, the compressing components comprise a jacking unit 1, a tooling screw 2 and a tooling cushion block 3, the jacking unit 1 comprises a hydraulic hollow cylinder,
the hydraulic hollow cylinder comprises a piston part 21 and a cylinder body part 22, the tool cushion block 3 is arranged on the cylinder body part 22 through screws, the piston part 21 and the tool cushion block 3 are provided with through holes and are concentrically arranged, the tool nut 4 is arranged at the top of the piston part 21, the tool screw 2 penetrates through the through holes of the piston part 21 and the tool cushion block 3, both ends of the tool screw 2 are threaded, one end part of the tool screw is screwed with the tool nut 4, and the other end part of the tool screw is exposed out of the bottom surface of the tool cushion block 3.
The tool cushion block 3 comprises an installation part, the installation part is connected with the cylinder body part 22 through screws, a plurality of positioning bosses 31 are further arranged on one side, far away from the cylinder body part 22, of the installation part, the positioning bosses 31 can be inserted into through holes of the flange 5 and play a role in fixing an oil cylinder, at the moment, the bottom surface of the installation part of the tool cushion block 3 is propped against the surface of the flange 5, and the other end part of the tool screw 2 sequentially penetrates through one of the positioning bosses 31 and the through holes of the flange 5 and is screwed into a threaded hole of the expansion sleeve 6; specifically, the cross section of frock cushion 3 is the quadrangle, evenly sets up 3 location bosss 31 in frock cushion 3 middle part, and frock screw rod 2 other tip passes the through-hole that is located the location boss 31 in centre, flange 5 and closes in expanding tight cover 6 screw hole soon, and two remaining location bosss 31 are connected fixedly through screw and flange 5.
The flange 5 comprises a bottom 51 and a guide part 52, the expansion sleeve 6 is gradually pressed towards the bottom 51 along the guide part 52 under the drive of the tool screw 2, and the guide surface of the guide part 52 is set to be an inclined surface for improving the pressing effect.
In the embodiment, the number of the hydraulic hollow cylinders is 4, the hydraulic hollow cylinders are respectively connected with the hydraulic oil pipes and are assembled in 1 hydraulic oil main pipe, and the hydraulic oil main pipe is connected with the hydraulic pump, so that the 4 hydraulic hollow cylinders can be operated to compress simultaneously.
When the hydraulic pump works, the hydraulic pump charges oil to the oil cylinder part, so that the piston part 21 moves linearly in a direction away from the flange 5, the expansion sleeve 6 is driven to approach the flange 5, and the expansion sleeve 6 compresses the flange 5 under the action of the inclined surface of the guide part 52; after compaction, the compaction part is removed, and then the inner hexagon head bolt is diagonally screwed down twice, so that the installation of the expansion sleeve 6 can be completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a wind turbine generator system high-speed shaft coupling expands cover closing device which characterized in that: the device comprises at least two groups of compression parts arranged on an expansion sleeve, wherein the compression parts comprise a tooling screw, a jacking unit for driving the tooling screw to lift, and a tooling cushion block for connecting the jacking unit and a flange, the tooling screw penetrates through the tooling cushion block, the flange and the expansion sleeve to be connected, and the tooling screw drives the expansion sleeve to be close to and compressed towards the flange under the driving of the jacking unit.
2. The wind turbine high-speed shaft coupling expansion sleeve compressing device according to claim 1, wherein: the flange comprises a bottom and a guide part, the expansion sleeve is gradually pressed towards the bottom along the guide part under the drive of the tool screw, and the guide surface of the guide part is an inclined surface.
3. The wind turbine high-speed shaft coupling expansion sleeve compressing device according to claim 1, wherein: the compressing part is provided with 4 groups and is uniformly distributed at the bottom of the flange.
4. The wind turbine high-speed shaft coupling expansion sleeve compressing device according to claim 1, wherein: the tool cushion block comprises a mounting part, wherein the mounting part is connected with the jacking unit, the mounting part further comprises at least two positioning bosses, each positioning boss is inserted into the flange, and the tool screw is sequentially inserted into one of the positioning bosses, the flange and the expansion sleeve to be connected.
5. The wind turbine generator system high-speed shaft coupling expansion sleeve compressing device according to claim 4, wherein: the locating bosses are 3, and the tool screw is inserted into the locating bosses located on the middle part.
6. The compression device for the expansion sleeve of the high-speed shaft coupler of the wind turbine generator according to any one of claims 1 to 5, wherein: the jacking unit comprises a hydraulic hollow oil cylinder, the hydraulic hollow oil cylinder comprises a piston part and a cylinder body part, the piston part is provided with a tool nut, and the tool screw rod penetrates through the piston part and then is connected with the tool nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358908.4U CN219827505U (en) | 2023-03-02 | 2023-03-02 | High-speed shaft coupling expansion sleeve compression device of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358908.4U CN219827505U (en) | 2023-03-02 | 2023-03-02 | High-speed shaft coupling expansion sleeve compression device of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827505U true CN219827505U (en) | 2023-10-13 |
Family
ID=88244846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320358908.4U Active CN219827505U (en) | 2023-03-02 | 2023-03-02 | High-speed shaft coupling expansion sleeve compression device of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827505U (en) |
-
2023
- 2023-03-02 CN CN202320358908.4U patent/CN219827505U/en active Active
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