CN106735432A - The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore - Google Patents
The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore Download PDFInfo
- Publication number
- CN106735432A CN106735432A CN201710033601.6A CN201710033601A CN106735432A CN 106735432 A CN106735432 A CN 106735432A CN 201710033601 A CN201710033601 A CN 201710033601A CN 106735432 A CN106735432 A CN 106735432A
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- China
- Prior art keywords
- boring
- boring machine
- high speed
- bearing
- hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/12—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/48—Measuring or detecting
Abstract
The invention discloses the online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore, according to gearbox high-speed level motor side bearing pore structure, Boring machine, Boring machine sleeve and shield are devised, can both accomplish not destroy gear-box, the stability of Portablle boring machine can be strengthened again；Further, can be used to adjust the position of boring bar near the jack-up hole of motor side one end design in Boring machine sleeve, the concentricity of high speed grade blade side axle bearing bore and benchmark effectively after control bore hole；Bore hole maintenance is carried out meeting the Portablle boring machine of autonomous Design can be arranged on gear-box on the basis of the size of operating space in cabin, it is to avoid gear-box undercarriage, shorten the duration, reduces cost；Bearing hole size, roughness etc. can reach drawing technical requirements after bore hole, meet use requirement；Can avoid being punched on casing using nonstandard bearing, so as to avoid the generation of iron filings, while maintenance duration, reduces cost can further be shortened.
Description
Technical field
The present invention relates to the online recovery technique of wind power gear box body, more specifically to wind turbine gearbox at a high speed
The online prosthetic device and method of grade blade side axle bearing bore.
Background technology
Existing Portablle boring machine is mainly used in the fields such as shipbuilding, mine, water power, oil, and fan engine room is due to sky
Between limited, lifting limited mass, cause to rarely have a applicable Portablle boring machine for boring in the aerial cabin of wind turbine gearbox
Repair in hole；At present, for casing bearing hole abrasion bore hole it is latter as repaired by the way of bushing so that bearing hole size
Reach use requirement, but axle sleeve certainly will be related to punch out step with the connection of casing, this process is entered not taking gear-box apart
In the case of row maintenance, the generation of iron filings will necessarily be caused, and be easy to enter casing, so as to the operation to gear-box causes shadow
Ring；When carrying out bore hole to gear case of blower casing bearing hole using existing Portablle boring machine, due to the strong point phase of boring bar
Stability is poor during bore hole farther out, is caused, and causing precision, form and position tolerance of bearing hole after processing etc. to be unsatisfactory for assembling will
Ask, structure needs to improve；Meanwhile, using existing Portablle boring machine bore hole after, due to lack effectively centering frock, cause institute's boring
Bearing hole is difficult to ensure that with the concentricity of benchmark；The present invention devises a kind of novel portable Boring machine structure, after bore hole
The method for installing nonstandard bearing realizes the online reparation of bearing hole abrasion, efficiently solves above-mentioned prior art problem.
The content of the invention
For above-mentioned technical problem, the present invention proposes that the online of wind turbine gearbox high speed grade blade side axle bearing bore is repaiied
Apparatus for coating and method；The Portablle boring machine of autonomous Design can be arranged on the basis of the size of operating space meeting in cabin
Bore hole maintenance is carried out on gear-box, it is to avoid gear-box undercarriage, shorten the duration, reduces cost.
The present invention is achieved technical problem to be solved especially by following technical scheme：
In the present invention, the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore, including Boring machine, Boring machine sleeve
And shield, the Boring machine include boring bar, boring cutter component and power input device；The Boring machine sleeve and wind turbine gearbox electricity
The bearing hole I interference fits of pusher side, the boring bar free end is through the axle that wind turbine gearbox blade-side is located at after Boring machine sleeve
In bearing bore II, the boring bar free end is provided with boring cutter component, mounting strap at the boring cutter component, the shield side and wind-powered electricity generation
Gear case body inner chamber end face laminating, the shield opposite side is fitted with Boring machine sleeve outer diameter；The boring bar fixing end is located at
Bearing hole I outsides, the boring bar fixing end is provided with power input device.
Preferably, the Boring machine sleeve free end is located between bearing hole I and bearing hole II, and the Boring machine sleeve is consolidated
Realize being fastenedly connected after bolt passes through 8 through holes between fixed end side end face and wind power gear box body joint face.
Preferably, 8 tops for controlling Boring machine concentricity are additionally provided with the Boring machine sleeve fixing end side end face
Hole is played, jack-up hole equi-spaced apart is between 8 through holes.
Preferably, self-lubricating bearing, the self-lubricating axle are provided between the Boring machine sleeve two ends and boring bar contact surface
The gap between boring bar is held to coordinate.
Preferably, matching is provided with the groove for positioning self-lubricating bearing in the Boring machine sleeve two ends, described from profit
Plain besring is laid in groove, is fastenedly connected by screw between the side end face at the self-lubricating bearing and Boring machine sleeve two ends.
Preferably, gap between the self-lubricating bearing and boring bar<0.2mm.
Preferably, the power input device includes the controller, motor and the turbine worm reducer that are sequentially connected, described
Turbine worm reducer is connected by key with boring bar.
In the present invention, the online restorative procedure of wind turbine gearbox high speed grade blade side axle bearing bore, step is as follows：
A：The high speed shafting of gear case of blower is extracted, operation platform is built;
B：Boring spindle support and Boring machine are installed and machining center is adjusted；
C：Organic glass shield is installed；
D：Bore hole is carried out to gear case of blower high speed grade blade side axle bearing bore；
E:Remove the online prosthetic device such as Boring machine；
F:Detection calibration frock is installed, processing bearing hole is detected；
G:Remove detection calibration frock；
H：Nonstandard bearing is installed, gear-box is reassembled.
Preferably, in step B, Boring machine sleeve is installed（Boring spindle support）With Boring machine and adjust machining center and include
Following steps：
（1）Boring machine sleeve is installed, sleeve and bearing hole I interference fits, itself and casing bearing hole I end face outsides（Casing transparent cover
Side）The end face of contact is provided with the through hole consistent with body structure, can be fixed with bolt；
（2）Boring bar is installed, screw respectively fastens a self-lubricating bearing at Boring machine sleeve two ends, between the bearing and boring bar
Clearance control within 0.02mm；
（3）Controller, motor and the turbine worm reducer being sequentially connected, whirlpool are installed on the operation platform of gear case body transparent cover side
Worm and gear reductor is connected by key with boring bar；
（4）Measurement bearing hole size, installs boring cutter component（Boring cutter seat on boring bar and the boring blade in boring cutter seat）；
（5）On the basis of casing high speed grade blade side spray oil ring aperture, by the jack-up hole on eight directions in Boring machine
Heart degree is adjusted, it is desirable to which beat ＜ 0.03mm, and casing transparent cover side bolt is fastened after looking for middle end.
Beneficial effect of the present invention：Wind power gear case high speed axis system Boring machine of the invention and the online reparation side of bearing hole abrasion
Method,
（1）The Portablle boring machine of autonomous Design can be arranged on gear-box on the basis of the size of operating space meeting in cabin
On carry out bore hole maintenance, it is to avoid gear-box undercarriage, shorten the duration, reduces cost；
（2）According to gearbox high-speed level motor side bearing pore structure, Boring machine sleeve and accessory device are devised, can both accomplished
Gear-box is not destroyed, the stability of Portablle boring machine can be strengthened again；
（3）Can be used to adjust the position of boring bar near the jack-up hole of motor side one end design in Boring machine sleeve, effectively control boring
The concentricity of high speed grade blade side axle bearing bore and benchmark behind hole；
（4）Optimization bearing, improves the stability of boring bar；Optimization Portablle boring machine structure, is easy to in-flight maintenance, shortens the duration,
Reduce maintenance cost；
（5）Bearing hole size, roughness etc. can reach drawing technical requirements after bore hole, meet use requirement；
（6）Can avoid being punched on casing using nonstandard bearing, so as to avoid the generation of iron filings, while can further shorten
Maintenance duration, reduces cost.
Brief description of the drawings
Accompanying drawing 1 is the online prosthetic device structural representation of wind turbine gearbox high speed grade blade side axle bearing bore of the invention；
Accompanying drawing 2 is Boring machine tube-in-tube structure schematic diagram；
Accompanying drawing 3 is Boring machine sleeve A to structural representation；
Accompanying drawing 4 is power input device structural representation in Boring machine；
Accompanying drawing 5 is detection tester structural representation；
Accompanying drawing 6 ties up to line restorative procedure schematic flow sheet for wind power gear case high speed axis of the present invention.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Following examples are existed with a kind of wind power gear box body bearing hole abrasion of the invention shown in accompanying drawing 1,2,3,4,5,6
Implemented as a example by line restorative procedure：
The online prosthetic device structural representation of the wind turbine gearbox high speed grade blade side axle bearing bore with reference to shown in accompanying drawing 1,2,3,4
Figure, including Boring machine 1, Boring machine sleeve 2 and shield（Not shown in figure）, Boring machine 1 include boring bar 3, boring cutter component 4 and power
Input unit 5；The bearing hole I7 interference fits of Boring machine sleeve 2 and the motor side of wind turbine gearbox 6, the free end of boring bar 3 passes through boring
It is located in the bearing hole II8 of wind turbine gearbox blade-side after hole mantle tin 2, the free end of boring bar 3 is provided with boring cutter component 4, boring cutter group
Mounting strap at part 4, shield side is fitted with the cabinets cavity end face of wind turbine gearbox 6, outside shield opposite side and Boring machine sleeve 2
Fit in footpath；The fixing end of boring bar 3 is located at bearing hole I7 outsides, and the fixing end of boring bar 3 is provided with power input device 5；Boring machine sleeve 2
Free end is located between bearing hole I7 and bearing hole II8, the casing of the fixing end side end face of Boring machine sleeve 2 and wind turbine gearbox 6
Realize being fastenedly connected after bolt 9 passes through 8 through holes between joint face；Boring machine sleeve 2 is additionally provided with 8 on fixing end side end face
The individual jack-up hole 10 for controlling Boring machine concentricity, the equi-spaced apart of jack-up hole 10 is between 8 through holes；Boring machine sleeve 2
Self-lubricating bearing 11 is provided between two ends and the contact surface of boring bar 3, gap coordinates between self-lubricating bearing 11 and boring bar 3；Boring machine
Matching is provided with the groove 12 for positioning self-lubricating bearing 11 in the two ends of sleeve 2, and self-lubricating bearing 11 is laid in groove 12, from profit
It is fastenedly connected by screw 13 between the side end face at plain besring 11 and the two ends of Boring machine sleeve 2；Self-lubricating bearing 11 and boring bar 3 it
Between gap<0.2mm；Power input device 5 includes the controller 14, motor 15 and the turbine worm reducer 16 that are sequentially connected, whirlpool
Worm and gear reductor 16 is connected by key with boring bar 3；In the design of this Boring machine：Boring machine sleeve is matched somebody with somebody with motor side bearing hole transition
Close, can to the full extent ensure the stability of boring bar；Sleeve devises eight jack-up holes with the junction of casing, can be used to adjust
Boring bar, it is ensured that the concentricity of bearing hole；Optimization bearing, improves the stability of boring bar；Optimization Portablle boring machine structure, is easy to sky
Middle maintenance, shortens the duration, reduces maintenance cost.
The wind power gear case high speed axis shown in detection tester and accompanying drawing 6 with reference to shown in accompanying drawing 5 tie up to line reparation side
Method schematic flow sheet, restorative procedure step is as follows：
（1）Extract the high speed shaft shafting of gear-box（Containing high speed shaft and two side bearings, smallclothes）, it is impossible to directly extract high speed shafting
Gear-box need to carry out removing high speed shaft shafting after lower box is unpacked；
（2）Boring machine sleeve is installed to be felt relieved, sleeve and casing high speed level motor side bearing hole interference fits, its quality of fit
Control to be associated with the axiality for machining post-processing bearing hole and primitive axis bearing bore, its flange face contacted with casing has and case
The corresponding through hole in body transparent cover end-face helical hole, can be attached fixation with bolt；
（3）Boring bar is installed, respectively a self-lubricating bearing is fastened with screw at Boring machine sleeve two ends, between the bearing and boring bar
Clearance control within 0.02mm；
（4）Operation platform is built in gear case body transparent cover side, axial feed arrangement is installed on the platform（Step motor control silk
Thick stick feeds）, rotating driving device（The rotation of worm and gear motor control boring bar）, and with boring bar be bonded connecing；
（5）Blade row, balancing weight and boring cutter are installed, blade row is connected with boring bar by contiguous block, contiguous block is to be threadedly coupled with boring bar,
With blade row for shaft hole matching is connected；
(6) the specific size that need to process bearing hole is measured with inside micrometer, according to measurement size adjusting blade radial feed amount；
(7) bearing hole at injection loop is installed with gear case body high speed grade blade side and, as machining benchmark, boring is arranged on by adjustment
The bolt in hole mantle cylinder eight directions jack-up hole, it is ensured that full circle bounce≤0.03mm of the dial gauge at machining benchmark, centering knot
Casing transparent cover side connecting bolt is fastened after beam；
（8）Limit switch is installed on stepper motor leading screw track, processing axial feeding is controlled；
（9）Mounting tool injection loop at injection loop is installed in high speed grade blade side, iron filings are adjusted from blade-side in preventing process
Enter in gear-box；
(10) mounting strap at boring cutter, shield side is fitted with cabinets cavity end face, and side is fitted with Boring machine sleeve outer diameter；
Shield is half fraction, is fixed by covering hoop after installation.Shield material is lucite, is easy to operator to carry out in process
Observation, exception occur can be stopped in time.The STH of shield one, is easy in process, is suctioned out iron filings by dust catcher,
In installation process, perforate direction is noted upward；
(11) motor is opened, is carried out to knife trial cut, such as exception do not occur, then continue to process, after the completion of one knife of processing, remove shield
Cover, processing bearing hole size is measured with inside micrometer, and detection blade processing feeding accuracy of measurement adjusts blade radial feed afterwards
Amount, mounting strap continues the processing of the second knife；
(12) repeat step 11, until bearing hole is reached in the range of desired size；
(13) whole Boring machine device is removed, bearing hole is cleared up；
(14) detection tester is installed（Calibration bar 1, support fixed block 2, frock bolt 3 and dial gauge）, high speed level motor side,
Blade-side bearing hole respectively installs 1 support fixed block, is contacted with casing bearing hole by frock bolt, and 3 dial gauges are pacified respectively
Installed at injection loop mounted in high speed level motor side bearing hole, high speed grade blade side processing bearing hole and high speed grade blade side, passed through
Adjust the frock bolt of both sides, it is ensured that at high speed level motor side bearing hole and high speed grade blade side is installed by the dial gauge at injection loop
Full circle bounce≤0.02mm, after the completion of to processing bearing hole measure, obtain preliminary axiality and sentenced for technical staff
It is disconnected, it is easy to find machining accuracy problem in time.
(15) detection tester is removed, bearing hole is cleared up, gear-box is reassembled after nonstandard bearing is installed.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and be carried out that it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (9)
1. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore, it is characterised in that including Boring machine, Boring machine
Sleeve and shield, the Boring machine include boring bar, boring cutter component and power input device；The Boring machine sleeve and wind power gear
The bearing hole I interference fits of case motor side, the boring bar free end is located at wind turbine gearbox blade-side after passing through Boring machine sleeve
Bearing hole II in, the boring bar free end is provided with boring cutter component, mounting strap at the boring cutter component, the shield side with
Wind turbine gearbox cabinets cavity end face is fitted, and the shield opposite side is fitted with Boring machine sleeve outer diameter；The boring bar fixing end
Positioned at bearing hole I outsides, the boring bar fixing end is provided with power input device.
2. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 1, its feature exists
Be located between bearing hole I and bearing hole II in, the Boring machine sleeve free end, the Boring machine sleeve fixing end side end face with
Realize being fastenedly connected after bolt passes through 8 through holes between wind power gear box body joint face,.
3. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 2, its feature exists
In being additionally provided with 8 on the Boring machine sleeve fixing end side end face for controlling the jack-up holes of Boring machine concentricity, the jack-up
Hole equi-spaced apart is between 8 through holes.
4. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 3, its feature exists
In self-lubricating bearing being provided between the Boring machine sleeve two ends and boring bar contact surface, between the self-lubricating bearing and boring bar
Gap coordinates.
5. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 4, its feature exists
In matching is provided with the groove for positioning self-lubricating bearing in the Boring machine sleeve two ends, and the self-lubricating bearing is laid recessed
In groove, it is fastenedly connected by screw between the side end face at the self-lubricating bearing and Boring machine sleeve two ends.
6. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 5, its feature exists
In gap between the self-lubricating bearing and boring bar<0.2mm.
7. the online prosthetic device of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 1, its feature exists
In the power input device includes the controller, motor and the turbine worm reducer that are sequentially connected, and the turbine and worm slows down
Machine is connected by key with boring bar.
8. the online restorative procedure of wind turbine gearbox high speed grade blade side axle bearing bore, it is characterised in that step is as follows：
A：The high speed shafting of gear case of blower is extracted, operation platform is built;
B：Boring spindle support and Boring machine are installed and machining center is adjusted；
C：Organic glass shield is installed；
D：Bore hole is carried out to gear case of blower high speed grade blade side axle bearing bore；
E:Remove the online prosthetic device such as Boring machine；
F:Detection calibration frock is installed, processing bearing hole is detected；
G:Remove detection calibration frock；
H：Nonstandard bearing is installed, gear-box is reassembled.
9. the online restorative procedure of wind turbine gearbox high speed grade blade side axle bearing bore according to claim 8, its feature exists
In,
In step B, Boring machine sleeve is installed（Boring spindle support）With Boring machine and adjust machining center and comprise the following steps：
（1）Boring machine sleeve is installed, sleeve and bearing hole I interference fits, itself and casing bearing hole I end face outsides（Casing transparent cover
Side）The end face of contact is provided with the through hole consistent with body structure, can be fixed with bolt；
（2）Boring bar is installed, screw respectively fastens a self-lubricating bearing at Boring machine sleeve two ends, between the bearing and boring bar
Clearance control within 0.02mm；
（3）Controller, motor and the turbine worm reducer being sequentially connected, whirlpool are installed on the operation platform of gear case body transparent cover side
Worm and gear reductor is connected by key with boring bar；
（4）Measurement bearing hole size, installs boring cutter component（Boring cutter seat on boring bar and the boring blade in boring cutter seat）；
（5）On the basis of casing high speed grade blade side spray oil ring aperture, by the jack-up hole on eight directions in Boring machine
Heart degree is adjusted, it is desirable to which beat ＜ 0.03mm, and casing transparent cover side bolt is fastened after looking for middle end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033601.6A CN106735432A (en) | 2017-01-18 | 2017-01-18 | The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033601.6A CN106735432A (en) | 2017-01-18 | 2017-01-18 | The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106735432A true CN106735432A (en) | 2017-05-31 |
Family
ID=58947106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033601.6A Pending CN106735432A (en) | 2017-01-18 | 2017-01-18 | The online prosthetic device and method of wind turbine gearbox high speed grade blade side axle bearing bore |
Country Status (1)
| Country | Link |
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| CN (1) | CN106735432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361356A (en) * | 2017-01-26 | 2018-08-03 | 通用电气公司 | System and method for the bearing hole for repairing wind turbine gearbox |
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| RU2476299C1 (en) * | 2011-12-01 | 2013-02-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" | Method of repairing hydraulic cylinders |
| CN103659146A (en) * | 2012-09-22 | 2014-03-26 | 宝山钢铁股份有限公司 | Device for online repairing of large reduction gearbox bearing hole abrasion and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2235010C2 (en) * | 2002-11-05 | 2004-08-27 | Сибирский научно-исследовательский институт механизации и электрификации сельского хозяйства СО РАСХН | Apparatus for restoring beds of main bearings of crank gear of internal combustion engine |
| CN101758362A (en) * | 2008-11-25 | 2010-06-30 | 上海宝钢设备检修有限公司 | Repairing method of master cylinder plunger piston of radial forging machine |
| RU2476299C1 (en) * | 2011-12-01 | 2013-02-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мордовский государственный университет им. Н.П. Огарева" | Method of repairing hydraulic cylinders |
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| CN108361356A (en) * | 2017-01-26 | 2018-08-03 | 通用电气公司 | System and method for the bearing hole for repairing wind turbine gearbox |
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Application publication date: 20170531 |