CN108581874A - Wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap method of adjustment - Google Patents
Wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap method of adjustment Download PDFInfo
- Publication number
- CN108581874A CN108581874A CN201810320285.5A CN201810320285A CN108581874A CN 108581874 A CN108581874 A CN 108581874A CN 201810320285 A CN201810320285 A CN 201810320285A CN 108581874 A CN108581874 A CN 108581874A
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- China
- Prior art keywords
- main shaft
- end cap
- shaft bearing
- centering
- centering tooling
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001788 irregular Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010977 unit operation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a kind of wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap methods of adjustment, the centering tooling is irregular frustum cone structure, the side of the frustum cone structure is a side grain for being parallel to round platform axis, and the side grain is vertically to be cut toward other end direction from the end face of round platform, and the other side of the frustum cone structure remains as the arc surface with taper.The main shaft bearing oil leak that can effectively solve the problems, such as current dual-support structure double-fed type wind power generating set through the invention, to improve unit operation stability.
Description
Technical field
The present invention relates to the technical fields of main shaft bearing oil leak, refer in particular to a kind of wind driven generation set main shaft bearing
End cap centering tooling and its end cap method of adjustment.
Background technology
Known in the industry, the double-feedback aerogenerator group of big megawatt of dual-support structure, there are two main on transmission chain main shaft
Axle bearing, bearing sealing structure for main shaft belongs to static rotatory sealing, with bearing block, end cap, oil sealing cover board when workshop is assembled
On main shaft, structure is made of sealing ring, end cap, oil sealing cover board, bearing block, main shaft.Wherein sealing ring is mounted on end cap
Interior (being positioned by end cap), seal lip radial direction banding main shaft outer round surface；Oil sealing plate shaft is to compression sealing ring and is fixed on end
It covers；End cap is finally fixed on bearing block.Sealing ring is circular to be mainly also textile rubber oil seals using folder cloth sealing ring, by main lip
It is formed with auxiliary lip, main lip main seal grease, the main dust-proof antiultraviolet auxiliary seal of auxiliary lip.End cap and bearing block are casting,
It is bolted and fixes.
Inclination angle, vibration, bearing clearance, sealing ring mass defect (interference volume is small), parts deviation during fan operation
Etc. factors, cause the double-feedback aerogenerator group generally existing main shaft bearing oil leak problem of current dual-support structure, leak
Oil can cause bearing because of oil starvation overtemperature, bearing wear, serious bearing failure, fan operation and maintenance be caused to bring inconvenience even
Heavy economic losses.
Currently, there is the main reason for main shaft bearing oil leak in the double-feedback aerogenerator group of dual-support structure
By for：1, sealing ring design defect；2, it is shaken in unit running process；3, end cap parts design tolerance is unreasonable, parts
The factors such as mismachining tolerance is big, parts installation deviation accumulated error is big, causing sealing gap occur leads to main shaft bearing sealing leakage
Oil.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art and disadvantage, it is proposed that a kind of reliable, use reasonable for structure
Convenient wind driven generation set main shaft bearing (ball) cover centering tooling and its end cap method of adjustment, can effectively solve current dual-gripper knot
The main shaft bearing oil leak problem of structure double-fed type wind power generating set, to improve unit operation stability.
To achieve the above object, technical solution provided by the present invention is as follows：
Wind driven generation set main shaft bearing (ball) cover centering tooling, wherein the centering tooling is irregular frustum cone structure,
The side of the frustum cone structure is a side grain for being parallel to round platform axis, and the side grain is past from the end face of round platform
Other end direction is vertically cut, and the other side of the frustum cone structure remains as the arc surface with taper.
The threaded hole for having one with the same axis of round platform, and the threaded hole are run through in the intermediate position of the frustum cone structure vertically
It is configured with a screw rod as round platform handle.
The large end face of the frustum cone structure is opened up there are one technique identifying hole, is carried out using which certain face as large end face
Processing.
The end cap method of adjustment of wind driven generation set main shaft bearing (ball) cover centering tooling, in use, first unscrew bolt of cover,
3 centering toolings are inserted by 120 ° using on end cap equally distributed 3 fabrication holes simultaneously as centering tooling placement location benchmark
In the sealing ring installation cavity of end cap, and a centering tooling corresponds to a fabrication hole, and requires the small end face direction of centering tooling
Main shaft bearing, large end face deviate from main shaft bearing, and side grain is contacted with main shaft outer circle, and the arc surface with taper is then pacified with sealing ring
Inner wall of behaveing affectedly contacts, and the length dimension of end cap portion is then exposed by measuring centering tooling, according to trigonometric function conversion outlet
Lid alignment deviation, further according to deviation adjustment end cap position, it will be able to keep end cap concentric with main shaft, circle to be sealed is mounted on end cap
Interior, after end cap and main shaft centering, sealing ring can also be realized and main shaft centering, and the lip after sealing ring centering and main shaft outer circle
Between would not have gap, to effectively solving the problems, such as oil leak.
Deviation≤0.2mm after the adjustment of the concentricity of the end cap and main shaft.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1, this centering tooling is small, is convenient for carrying, and reusable, and fabricates at low cost.
2, consumptive material is not necessarily to during adjustment, cost of adjusting economy is extremely low, high according to the method for the present invention Adjustment precision, Neng Goubao
End cap centering installation deviation≤0.2mm is demonstrate,proved, economically is suitable for promoting with application effect.
It is asked in short, centering tooling provided by the present invention and its method of adjustment can effectively solve main shaft bearing oil leak
Topic has actual promotional value to improve unit operation stability.
Description of the drawings
Fig. 1 is the front view of tooling of the present invention.
Fig. 2 is the vertical view of tooling of the present invention.
Fig. 3 is that the material object of tooling of the present invention uses schematic diagram.
Fig. 4 is the schematic diagram of main shaft bearing oil leak.
Fig. 5 is main shaft bearing oil leak treated design sketch.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Shown in referring to Fig. 1 and Fig. 2, the wind driven generation set main shaft bearing (ball) cover centering tooling that the present embodiment is provided, tool
Body is irregular frustum cone structure, wherein the side of the frustum cone structure is a side grain 11 for being parallel to round platform axis, and
The side grain 11 is vertically cut toward other end direction from the end face of round platform, and the other side of the frustum cone structure
Remain as the arc surface 12 with taper；The intermediate position of the frustum cone structure is vertically through the screw thread for having one and the same axis of round platform
Hole 13, and the threaded hole 12 is configured with a screw rod 2 (shown in Figure 3) as round platform handle；The frustum cone structure
Large end face is opened up there are one technique identifying hole 14, is processed using which certain face as large end face.
It is the end cap method of adjustment of the above-mentioned wind driven generation set main shaft bearing (ball) cover centering tooling of the present embodiment below, uses
When, first unscrew bolt of cover, 120 ° using on end cap equally distributed three fabrication holes, will as centering tooling placement location benchmark
Three centering toolings 1 are inserted into the sealing ring installation cavity of end cap simultaneously, and a centering tooling corresponds to a fabrication hole, referring to figure
Shown in 3, and require the small end face of centering tooling 1 towards main shaft bearing, large end face is outside main shaft bearing, side grain 11 and main shaft
3 contact of circle, and the arc surface 12 with taper is then contacted with sealing ring installation cavity wall 4, is then exposed by measuring centering tooling
The length dimension of end cap portion converses end cap alignment deviation according to trigonometric function, further according to deviation adjustment end cap position, just
End cap can be made concentric with main shaft, adjust Concentricity tolerance≤0.2mm of rear end cap and main shaft, circle to be sealed in this way is mounted on end
In lid, after end cap and main shaft centering, sealing ring can also realize with main shaft centering, and outside the lip and main shaft after sealing ring centering
There would not be gap between circle, to effectively solve the problems, such as oil leak.
Shown in Fig. 4 and Fig. 5, forward and backward schematic diagram is handled for live main shaft bearing oil leak, handles drive end bearing bracket pair
Middle maximum deviation 0.7mm, and with maximum deviation 0.2mm after this centering tooling again centering.It was verified by 5 months after processing, it is close
The slight permeability of seal, reaches treatment effect.Therefore, centering tooling provided by the present invention and its method of adjustment can effectively solve to lead
Axle bearing oil leak problem, and centering tooling is small, is convenient for carrying, and it is reusable, processing and manufacturing is at low cost,
Consumptive material is not necessarily to during adjustment, cost of adjusting economy is extremely low, can ensure end cap centering according to the method for the present invention Adjustment precision height
Installation deviation≤0.2mm economically all has practical popularization with application effect, is worthy to be popularized.
Embodiment described above is only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
It encloses, therefore changes made by all shapes according to the present invention, principle, should all cover within the scope of the present invention.
Claims (5)
1. wind driven generation set main shaft bearing (ball) cover centering tooling, it is characterised in that：The centering tooling is irregular round platform
The side of structure, the frustum cone structure is a side grain for being parallel to round platform axis, and the side grain is from the one of round platform
End face is vertically cut toward other end direction, and the other side of the frustum cone structure remains as the arc surface with taper.
2. wind driven generation set main shaft bearing (ball) cover centering tooling according to claim 1, it is characterised in that：The round platform
The intermediate position of structure is vertically through the threaded hole for having one and the same axis of round platform, and the threaded hole is configured with one and is used as round platform
The screw rod of handle.
3. wind driven generation set main shaft bearing (ball) cover centering tooling according to claim 1, it is characterised in that：The round platform
The large end face of structure is opened up there are one technique identifying hole, is processed using which certain face as large end face.
4. a kind of end cap method of adjustment of wind driven generation set main shaft bearing (ball) cover centering tooling described in claim 1, special
Sign is：In use, first unscrewing bolt of cover, 120 ° using on end cap equally distributed 3 fabrication holes are placed as centering tooling
3 centering toolings are inserted into the sealing ring installation cavity of end cap by position reference simultaneously, and a centering tooling corresponds to a technique
Hole, and require the small end face of centering tooling towards main shaft bearing, large end face deviates from main shaft bearing, and side grain connects with main shaft outer circle
It touches, and the arc surface with taper is then contacted with sealing ring installation cavity wall, then exposes end cap portion by measuring centering tooling
Length dimension, end cap alignment deviation is conversed according to trigonometric function, further according to deviation adjustment end cap position, it will be able to make end
Lid is concentric with main shaft, and circle to be sealed is mounted in end cap, and with after main shaft centering, sealing ring can also be realized and main shaft pair end cap
In, and would not have gap between the lip after sealing ring centering and main shaft outer circle, to effectively solve the problems, such as oil leak.
5. a kind of end cap method of adjustment of wind driven generation set main shaft bearing (ball) cover centering tooling according to claim 4,
It is characterized in that：Deviation≤0.2mm after the adjustment of the concentricity of the end cap and main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320285.5A CN108581874B (en) | 2018-04-11 | 2018-04-11 | Centering tool for main shaft bearing end cover of wind generating set and end cover adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320285.5A CN108581874B (en) | 2018-04-11 | 2018-04-11 | Centering tool for main shaft bearing end cover of wind generating set and end cover adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108581874A true CN108581874A (en) | 2018-09-28 |
| CN108581874B CN108581874B (en) | 2023-12-22 |
Family
ID=63621635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320285.5A Active CN108581874B (en) | 2018-04-11 | 2018-04-11 | Centering tool for main shaft bearing end cover of wind generating set and end cover adjusting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108581874B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09174301A (en) * | 1995-12-25 | 1997-07-08 | Okuma Mach Works Ltd | Work method and device of both end surfaces of hollow work |
| JP2008137089A (en) * | 2006-11-30 | 2008-06-19 | Hitachi Constr Mach Co Ltd | Cutting device for slewing bearing mounting face |
| US20120066879A1 (en) * | 2010-09-20 | 2012-03-22 | Daeschner Bernd P | Assembly facilitation apparatus and method |
| KR20130074177A (en) * | 2011-12-26 | 2013-07-04 | 현대중공업 주식회사 | Manufacturing zig for cylinder cover |
| CN103208888A (en) * | 2013-04-11 | 2013-07-17 | 广东明阳风电产业集团有限公司 | Detection and maintenance method for self-aligning roller bearing of spindle of wind driven generator and jacking tool |
| CN103867401A (en) * | 2014-01-23 | 2014-06-18 | 广东明阳风电产业集团有限公司 | Method for centering and adjusting mainshaft bearing shafting of wind generating set |
| CN104139372A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Centering and positioning device and hole opposite penetration and alignment mechanism thereof |
| CN204735956U (en) * | 2015-05-26 | 2015-11-04 | 天津赛瑞机器设备有限公司 | A frock for making press upper portion instrument |
| CN105904362A (en) * | 2016-04-18 | 2016-08-31 | 西安交通大学 | Self-centering cylinder clamp device |
| CN106041825A (en) * | 2016-07-20 | 2016-10-26 | 广州广日电梯工程有限公司 | Car frame adjusting tool |
| CN208409643U (en) * | 2018-04-11 | 2019-01-22 | 明阳智慧能源集团股份公司 | A kind of wind driven generation set main shaft bearing (ball) cover centering tooling |
-
2018
- 2018-04-11 CN CN201810320285.5A patent/CN108581874B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09174301A (en) * | 1995-12-25 | 1997-07-08 | Okuma Mach Works Ltd | Work method and device of both end surfaces of hollow work |
| JP2008137089A (en) * | 2006-11-30 | 2008-06-19 | Hitachi Constr Mach Co Ltd | Cutting device for slewing bearing mounting face |
| US20120066879A1 (en) * | 2010-09-20 | 2012-03-22 | Daeschner Bernd P | Assembly facilitation apparatus and method |
| KR20130074177A (en) * | 2011-12-26 | 2013-07-04 | 현대중공업 주식회사 | Manufacturing zig for cylinder cover |
| CN103208888A (en) * | 2013-04-11 | 2013-07-17 | 广东明阳风电产业集团有限公司 | Detection and maintenance method for self-aligning roller bearing of spindle of wind driven generator and jacking tool |
| CN104139372A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Centering and positioning device and hole opposite penetration and alignment mechanism thereof |
| CN103867401A (en) * | 2014-01-23 | 2014-06-18 | 广东明阳风电产业集团有限公司 | Method for centering and adjusting mainshaft bearing shafting of wind generating set |
| CN204735956U (en) * | 2015-05-26 | 2015-11-04 | 天津赛瑞机器设备有限公司 | A frock for making press upper portion instrument |
| CN105904362A (en) * | 2016-04-18 | 2016-08-31 | 西安交通大学 | Self-centering cylinder clamp device |
| CN106041825A (en) * | 2016-07-20 | 2016-10-26 | 广州广日电梯工程有限公司 | Car frame adjusting tool |
| CN208409643U (en) * | 2018-04-11 | 2019-01-22 | 明阳智慧能源集团股份公司 | A kind of wind driven generation set main shaft bearing (ball) cover centering tooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108581874B (en) | 2023-12-22 |
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