CN203579552U - Replacing tool for bearing outer ring of high-speed shaft of wind generating set gear case - Google Patents
Replacing tool for bearing outer ring of high-speed shaft of wind generating set gear case Download PDFInfo
- Publication number
- CN203579552U CN203579552U CN201320686176.8U CN201320686176U CN203579552U CN 203579552 U CN203579552 U CN 203579552U CN 201320686176 U CN201320686176 U CN 201320686176U CN 203579552 U CN203579552 U CN 203579552U
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- CN
- China
- Prior art keywords
- leading screw
- bearing outer
- outer ring
- supporting
- replacing tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a replacing tool for a bearing outer ring of a high-speed shaft of a wind generating set gear case. The replacing tool comprises a disk-shaped part, a guide screw, a hollow jack, a supporting base and two supporting and fixing screws, wherein one end of the guide screw is connected with a central hole of the disk-shaped part; the hollow jack is fixed on the guide screw through a first gasket and a first nut; the center of the supporting base is provided with a thread hole, and the guide screw penetrates through the thread hole; one end of each supporting and fixing screw penetrates through a strip-shaped hole in the supporting base. By using the replacing tool, the problem that the bearing outer ring is difficult to disassemble is solved. The replacing tool is easy to operate, and a lot of manpower and materials are saved by using the hollow jack. Parts of the replacing tool are convenient to carry, and the replacing tool is maintained and used in an overhead draught fan easily.
Description
Technical field
The utility model relates to a kind of wind-driven generator group wheel box high speed shaft bearing outer ring and changes frock.
Background technology
In the maintenance process of wind field wind power generating set, because high speed shaft of gearbox rotating speed is higher, moment of torsion is larger relatively, long-time continuous firing, and situation about breaking down is many.Due to blower fan aloft, while safeguarding, be difficult for the use of main equipment frock, therefore when high speed shaft bearing need be changed, difficulty is larger.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of wind-driven generator group wheel box high speed shaft bearing outer ring to change frock.
For achieving the above object, the utility model adopts following technical proposals:
Wind-driven generator group wheel box high speed shaft bearing outer ring is changed a frock, comprising:
One dish;
One guiding leading screw, guiding leading screw one end is connected in the centre bore of dish;
Hollow type jack, is fixed on guiding leading screw by the first packing ring and the first nut;
One base for supporting, its center is provided with screwed hole, and guiding leading screw is through this screwed hole;
Two are supported fixedly leading screw, and its one end is through the bar hole on base for supporting.
Described support is fixedly also provided with the second packing ring and the second nut on leading screw.
On described base for supporting, offer the strip hole of two symmetrical longitudinal perforations.
A method of utilizing described replacing frock dismounting wind-driven generator group wheel box high speed shaft bearing outer ring, comprising:
1) by base for supporting with support fixedly leading screw and be arranged on wind-driven generator group wheel box high speed shaft position;
2) will lead leading screw successively through base for supporting and bearing outer ring interstitial hole, dish will be connected with guiding leading screw from described gear-box inside;
3) hollow type jack is arranged on the guiding leading screw of base for supporting top, with the first nut and the first packing ring, hollow type jack is compressed;
4) hollow type jack rises, bearing outer ring under tension, and integral body moves outward, pulls down bearing outer ring.
Utilize described replacing frock that a method for wind-driven generator group wheel box high speed shaft bearing outer ring is installed, comprising:
1) by base for supporting with support fixedly leading screw and be arranged on wind-driven generator group wheel box high speed shaft position;
2) leading screw that will lead, successively through base for supporting and bearing outer ring interstitial hole, is arranged on wind-driven generator group wheel box high speed shaft bearing outer ring outside by dish, and dish is connected with guiding leading screw one end;
3) hollow type jack is put on the guiding leading screw between dish and base for supporting, with the second nut and the second packing ring, base for supporting is fixed;
4) hollow type jack rises, and bearing outer ring is subject to thrust, and integral body moves inward, and installation shaft bearing outer-ring is to assigned address.
Critical piece effect in the utility model:
1. dish, during dismounting bearing outer ring, is convenient to be placed in gear-box inside, supports outer ring and steadily removes; When outer ring is installed, make bearing outer ring stressed evenly, be convenient to install.
2. base for supporting, leading screw is borrowed the installing hole of bearing cap, and base for supporting is arranged on to high speed shaft of gearbox outside, bears external force.
3. hollow type jack, provides the external force of dismounting and installation shaft bearing outer-ring.
The beneficial effects of the utility model are, 1, the use of frock, solved the not easily detachable difficult problem of bearing outer ring.2, frock is simple to operate, and a large amount of manpower and materials have been saved in the use of hollow type jack.3, each parts of frock are easy to carry, and are easy to the maintenance of blower fan aloft and use.
Accompanying drawing explanation
Fig. 1 is an example structure schematic diagram;
Fig. 2 is dismounting bearing outer ring structural representation;
Fig. 3 is installation shaft bearing outer-ring structural representation;
1 dish wherein, 2 base for supporting, 3 support fixedly leading screw, 4 leading screws that lead, 5 hollow type jack, 7 first nuts, 8 first packing rings, 9 second packing rings, 10 second nuts.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1-Figure 3, wind-driven generator group wheel box high speed shaft bearing outer ring is changed frock, comprising: a dish 1; One guiding leading screw 4, guiding leading screw 4 one end are connected in the centre bore of dish 1; Hollow type jack 5, is fixed on guiding leading screw 4 by the first packing ring 8 and the first nut 7; One base for supporting 2, its center is provided with screwed hole, and guiding leading screw 4 is through this screwed hole; Two are supported fixedly leading screw 3, and its one end is through the bar hole on base for supporting 2.
Support and fixedly on leading screw 3, be also provided with the second packing ring 9 and the second nut 10.On base for supporting 2, offer the strip hole of two symmetrical longitudinal perforations.
A method of utilizing described replacing frock dismounting wind-driven generator group wheel box high speed shaft bearing outer ring, comprising:
1) by base for supporting 2 with support fixedly leading screw 3 and be arranged on wind-driven generator group wheel box high speed shaft position;
2) will lead leading screw 4 successively through base for supporting 2 and bearing outer ring interstitial hole, dish 1 will be connected with guiding leading screw 4 from described gear-box inside;
3) hollow type jack 5 is arranged on the guiding leading screw 4 of base for supporting 2 tops, with the first nut 7 and the first packing ring 8, hollow type jack 5 is compressed;
4) hollow type jack 5 rises, bearing outer ring under tension, and integral body moves outward, pulls down bearing outer ring.
Utilize described replacing frock that a method for wind-driven generator group wheel box high speed shaft bearing outer ring is installed, comprising:
1) by base for supporting 2 with support fixedly leading screw 3 and be arranged on wind-driven generator group wheel box high speed shaft position;
2) will lead leading screw 4 successively through base for supporting 2 and bearing outer ring interstitial hole, dish 1 is arranged on to wind-driven generator group wheel box high speed shaft bearing outer ring outside, and dish 1 is connected with guiding leading screw 4 one end;
3) hollow type jack 5 is put on the guiding leading screw 4 between dish 1 and base for supporting 2, with the second nut 10 and the second packing ring 9, base for supporting is fixed;
4) hollow type jack 5 rises, and bearing outer ring is subject to thrust, and integral body moves inward, and installation shaft bearing outer-ring is to assigned address.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present utility model is described; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (3)
1. wind-driven generator group wheel box high speed shaft bearing outer ring is changed a frock, it is characterized in that, comprising:
One dish;
One guiding leading screw, guiding leading screw one end is connected in the centre bore of dish;
Hollow type jack, is fixed on guiding leading screw by the first packing ring and the first nut;
One base for supporting, its center is provided with screwed hole, and guiding leading screw is through this screwed hole;
Two are supported fixedly leading screw, and its one end is through the bar hole on base for supporting.
2. frock as claimed in claim 1, is characterized in that, described support is fixedly also provided with the second packing ring and the second nut on leading screw.
3. frock as claimed in claim 1, is characterized in that, offers the strip hole of two symmetrical longitudinal perforations on described base for supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686176.8U CN203579552U (en) | 2013-11-01 | 2013-11-01 | Replacing tool for bearing outer ring of high-speed shaft of wind generating set gear case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320686176.8U CN203579552U (en) | 2013-11-01 | 2013-11-01 | Replacing tool for bearing outer ring of high-speed shaft of wind generating set gear case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203579552U true CN203579552U (en) | 2014-05-07 |
Family
ID=50577520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320686176.8U Expired - Fee Related CN203579552U (en) | 2013-11-01 | 2013-11-01 | Replacing tool for bearing outer ring of high-speed shaft of wind generating set gear case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203579552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586835A (en) * | 2013-11-01 | 2014-02-19 | 北车风电有限公司 | Replacing tool for high-speed shaft bearing outer ring of wind generating set gearbox and using method |
-
2013
- 2013-11-01 CN CN201320686176.8U patent/CN203579552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586835A (en) * | 2013-11-01 | 2014-02-19 | 北车风电有限公司 | Replacing tool for high-speed shaft bearing outer ring of wind generating set gearbox and using method |
| CN103586835B (en) * | 2013-11-01 | 2015-09-09 | 北车风电有限公司 | Wind-driven generator group wheel box high speed shaft bearing outer ring changes frock and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20171101 |