CN101586595A - Isolation block of a rotary pedestal bearing - Google Patents
Isolation block of a rotary pedestal bearing Download PDFInfo
- Publication number
- CN101586595A CN101586595A CNA2009100995979A CN200910099597A CN101586595A CN 101586595 A CN101586595 A CN 101586595A CN A2009100995979 A CNA2009100995979 A CN A2009100995979A CN 200910099597 A CN200910099597 A CN 200910099597A CN 101586595 A CN101586595 A CN 101586595A
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- China
- Prior art keywords
- block
- cylindrical structure
- block body
- shrinkage pool
- spacing block
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Abstract
The invention discloses an isolation block of a rotary pedestal bearing, comprising two block bodies in cylinder structures with the end faces of ball sockets, wherein the block bodies in cylinder structures are axially provided with hollows, the ball socket is internally provided with an oil groove, and the outer surface of the block body in cylinder structure is provided with one or more than two inward concave holes. In the radial section plane of the block body in cylinder structure, the shrinkage pool is V-shaped, that is, the concave hole is provided with a shrinkage structure inwards from the surface of the block body. The amount of the concave holes at the outer surface of the block body in cylinder structure is 4 to 8 best. The material of the block body in cylinder structure is high-density polyethylene. By using the structure, the outer surface of the block body in cylinder structure is provided with inward concave holes, thereby saving the raw material of manufacturing the isolation blocks, improving the mechanical strength of the isolation blocks, and also further guaranteeing the precision of manufacturing the isolation blocks.
Description
Technical field
The present invention relates to a kind of pivoting support bearing, the spacing block of a kind of pivoting support bearing of more specifically saying so belongs to machinery manufacturing technology field.
Background technique
Wind-power electricity generation is as an emerging rising industry, integrates green, energy-saving and environmental protection, distinguishing feature such as renewable.Along with the global energy resource problem is outstanding day by day, particularly global warming becomes clear day by day, and wind-powered electricity generation becomes the important component part of world energy sources.In recent years, China classifies wind power plant as the state key research project, and domestic enterprise improves constantly the research and development ability of Large-scale Wind Turbines by technology transfer and independent research, in this field rapid progress has been arranged.
Pivoting support bearing is mainly used in wind-driven generator, is the core component of wind power equipment, its requirement be the life-span long, reliability is high, good stability, starting torque is little, rotation is flexible.Its structure comprises inner ring, outer ring and steel ball, the excircle of inner ring to the inner circumference of outer ring to arc groove is all arranged, this two arc groove is corresponding, steel ball places in two curve baths, and is between the two ends of inner ring and outer ring that the sealing shape is movable to be cooperated.
Pivoting support bearing is in operation process, and commutation and impulsive load are to having a significant impact the fatigue life of steel ball.Fray for fear of steel ball, guarantee the starting torque and the running accuracy of bearing, improve the life-span of bearing, between adjacent steel ball, adopt spacing block, existing spacing block structure is axially to have logical empty cylindrical body, has dug ball-and-socket at two end faces, is provided with oil groove in ball-and-socket.Be between the ball-and-socket of spacing block and steel ball and be slidingly matched.The spacing block of said structure exists weight big, the deficiency that cost of material is high, and simultaneously, the mechanical strength of spacing block and precision also await further raising.
Summary of the invention
A kind ofly exist in light weightly at the invention provides, the spacing block of the pivoting support bearing that the cost of material is low improves simultaneously further the mechanical strength and the precision of spacing block.
For achieving the above object, the present invention has adopted following technological scheme: a kind of spacing block of pivoting support bearing, the cylindrical structure block that it has two end faces is ball-and-socket, axially having of described cylindrical structure block is logical empty, the described oil groove that is provided with in ball-and-socket, the outer surface of its described cylindrical structure block is provided with shrinkage pool inside more than or two.
Along in the radial section of cylindrical structure block, described shrinkage pool is " V " font, and promptly shrinkage pool inwardly has the structure of contraction from block surface.Preferably 4-8 of the shrinkage pool quantity of the outer surface of described cylindrical structure block.The material of described cylindrical structure block is a high density polyethylene (HDPE).
Adopt said structure, on the outer surface of cylindrical structure block, be provided with inside shrinkage pool, the raw material of making spacing block have been saved on the one hand, experimental results show that, compared with prior art, the present invention can reduce weight 20%-35% for the spacing block of same specification, just can save the cost of raw material of 20%-35%; On the other hand, the stressed distribution that effective change spacing block is set of shrinkage pool makes the block of spacing block be similar to the distributed architecture of stiffening rib, improves the mechanical strength of spacing block; Again on the one hand, the thermoplastic mode is adopted in the spacing block manufacturing of high-density polyethylene material, can produce shrinkage phenomenon in manufacture process, because the setting of shrinkage pool has reduced its contour projector, also just the precision of spacing block manufacturing has been obtained further assurance.
Description of drawings
Fig. 1 is the structural representation of the spacing block of pivoting support bearing of the present invention;
Fig. 2 is a spacing block sectional drawing radially.
Among the figure: the 1-ball-and-socket, 2-is logical empty, 3-oil groove, 4-shrinkage pool.
Embodiment
As shown in Figure 1, the spacing block of pivoting support bearing of the present invention, the cylindrical structure block that it has two end faces is ball-and-socket 1, axially having of described cylindrical structure block is logical empty 2, describedly is provided with oil groove 3, the setting of oil groove 3 in ball-and-socket 1, can store lubricant oil, make bearing that self-lubricating property be arranged, improved the moving condition of rolling element, and guaranteed the rotating synchronism between rolling element and the spacing block.Said structure and prior art are similar, therefore, no longer are described in detail.
As the maximum characteristics of the spacing block of pivoting support bearing of the present invention be: the outer surface of described cylindrical structure block is provided with shrinkage pool inside more than or two 4.The quantity of described shrinkage pool 4 is 4-8 preferably, and the quantity of the shrinkage pool 4 of present embodiment is 6, can be other quantity according to actual conditions certainly, as 4,8 etc.The material of described cylindrical structure block is can high density polyethylene (HDPE), make spacing block have easy to process, friction factor is little, wearing and tearing are low, and is and shock-resistant, chemical stability height, cheap characteristics.
The concrete shape of described shrinkage pool 4 divides the radial section of cylindrical structure block, circular shaft to describe to section two aspects.
Referring to Fig. 2, along in the radial section of cylindrical structure block, because block two sides are the arc surface of ball-and-socket 1, therefore, described shrinkage pool 4 is " V " font, and promptly shrinkage pool 4 inwardly has the structure of contraction from block surface.Certainly the sidewall of shrinkage pool 4 can be the arc with the arc surface coupling of ball-and-socket 1.
Along in the axial section of cylindrical structure block, described shrinkage pool 4 can " V " font or " U " font.
Claims (5)
1, a kind of spacing block of pivoting support bearing, it has the cylindrical structure block that two end faces are ball-and-socket (1), empty (2) are led in axially having of described cylindrical structure block, the described oil groove (3) that is provided with in ball-and-socket (1) is characterized in that the outer surface of described cylindrical structure block is provided with shrinkage pool inside more than or two (4).
2, the spacing block of pivoting support bearing according to claim 1 is characterized in that along in the radial section of cylindrical structure block described shrinkage pool (4) is " V " font, and promptly shrinkage pool (4) inwardly has the structure of contraction from block surface.
3, the spacing block of pivoting support bearing according to claim 1 and 2, shrinkage pool (4) quantity that it is characterized in that the outer surface of described cylindrical structure block are 4-8.
4, the spacing block of pivoting support bearing according to claim 1 and 2, the material that it is characterized in that described cylindrical structure block is a high density polyethylene (HDPE).
5, the spacing block of pivoting support bearing according to claim 3, the material that it is characterized in that described cylindrical structure block is a high density polyethylene (HDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100995979A CN101586595A (en) | 2009-06-12 | 2009-06-12 | Isolation block of a rotary pedestal bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100995979A CN101586595A (en) | 2009-06-12 | 2009-06-12 | Isolation block of a rotary pedestal bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101586595A true CN101586595A (en) | 2009-11-25 |
Family
ID=41370974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100995979A Pending CN101586595A (en) | 2009-06-12 | 2009-06-12 | Isolation block of a rotary pedestal bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101586595A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065672A (en) * | 2019-06-11 | 2020-12-11 | 北京金风慧能技术有限公司 | Wind generating set, turntable bearing and isolating block for turntable bearing |
-
2009
- 2009-06-12 CN CNA2009100995979A patent/CN101586595A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065672A (en) * | 2019-06-11 | 2020-12-11 | 北京金风慧能技术有限公司 | Wind generating set, turntable bearing and isolating block for turntable bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091125 |