CN106946156B - A kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing - Google Patents
A kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing Download PDFInfo
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- CN106946156B CN106946156B CN201710259531.6A CN201710259531A CN106946156B CN 106946156 B CN106946156 B CN 106946156B CN 201710259531 A CN201710259531 A CN 201710259531A CN 106946156 B CN106946156 B CN 106946156B
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- Prior art keywords
- outer ring
- bearing
- roller bearing
- cylinder roller
- ring cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/54—Internally-expanding grippers for handling hollow articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing, including step：A, level correction planetary gear；B, bearing hoister is assembled；C, with rubber rope lock ring rolling element, its radial direction deflection is eliminated；D, lifting is without outer ring cylinder roller bearing；E, by the endoporus axial alignment without outer ring cylinder roller bearing and planetary gear, then rolling bearing, ensures that rolling element uniformly contacts with the roller surface of planetary gear endoporus, falls into planetary gear endoporus and assembles in place；F, bearing hoister is unloaded；G, pressed toward having assembled without outer ring cylinder roller bearing, 180 ° of upset planetary gears, lain in a horizontal plane on equal height cushion block with pressing plate；H, repeat step C, D, E and F, second set of assembling without outer ring cylinder roller bearing Yu another section of endoporus of planetary gear is completed.The present invention can effectively solve the problems, such as bearing lifting during assembling, with the centering of planetary gear endoporus and avoiding assembling clamping stagnation and damaging roller surface.
Description
Technical field
The present invention relates to the technical field of big megawatt wind gear-box inner body assembling, refers in particular to a kind of big megawatt of wind
Assembly method of the electrical gearbox without outer ring cylinder roller bearing.
Background technology
As wind turbine gearbox develops to big megawatt, become as one kind using without outer ring cylinder roller bearing in planetary gear
Gesture.It is that inner ring, retainer, rolling element are an entirety without the characteristics of outer ring cylinder roller bearing, planetary gear endoporus replaces bearing
Outer ring turns into interior raceway, and so in design, planet wheel rim relative can thicken, and rolling element quantity relative increase or diameter add
Greatly, the problem of improving the bearing capacity of planetary gear and bearing, and being wriggled in the absence of outer ring.
At present, there is also many difficulties for the assembling between no outer ring cylinder roller bearing and planetary gear：Hung when the 1st, assembling
Dress is difficult：Big without outer ring cylinder roller bearing piece weight, the size of bearing inner race wall thickness is limited, it is contemplated that strength problem, nothing
Method designs hole for hoist on inner ring, and manual handling is extremely difficult when causing to assemble；Also traditional clamping bearing outer ring can not be used
Steel tape hoist is clamped to rolling element external envelope face, lifted；Centering is difficult when the 2nd, assembling：Due to the pact of no bearing outer ring
Beam, the rolling element of no outer ring cylinder roller bearing have slight axial direction, radial direction deflection and displacement in a pre-installation, its envelope circle
Diameter can be more than the planetary gear endoporus as interior raceway, and centering is difficult when causing to assemble；When the 3rd, assembling raceway is damaged because of clamping stagnation
Face：Because without suitable bearing hoister, when manual handling, assembling are without outer ring cylinder roller bearing, assembling dynamics, speed is not easily-controllable
System, inside and outside roller surface caused by assembling the reasons such as crooked axis, rolling element and roller surface clamping stagnation with planetary gear endoporus is caused to damage
Wound；4th, during manual handling bearing caused by accident risk.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of easy to operate, versatile big by million
Watt assembly method of the wind turbine gearbox without outer ring cylinder roller bearing, bearing when can effectively solve assembling by this method rise
Hang, with the centering problem of planetary gear endoporus and avoid assembling clamping stagnation and when damaging roller surface and manual handling bearing caused by accident
Risk, suitable for the assembling of various sizes of no outer ring cylinder roller bearing and planetary gear.
To achieve the above object, technical scheme provided by the present invention is：A kind of big megawatt wind gear-box is justified without outer ring
The assembly method of post roller bearing, comprises the following steps：
A, level correction planetary gear：Planetary gear is placed horizontally on equal height cushion block, water-filling is entered to planetary gear with level meter
Flat correction；
B, bearing hoister is assembled：The center flange of bearing hoister is assembled with suspension ring component and bearings respectively,
Wherein, the suspension ring component is arranged on the centre of center flange, and the bearings have multiple spacings to arrange by respective
Joint is inserted into the periphery of center flange, and includes joint, spiral shell perpendicular to the center line of center flange, each bearings
Female, cylindrical tenon and the Ka Jiao with pad, the joint are fixed in one end of nut, and the cylindrical tenon is fixed in spiral shell
Female other end, and be stuck in Ka Jiao T-slot, pad is then installed by bolt on Ka Jiao again, by pad to cylinder
Shape tenon stop spacing, prevents cylindrical tenon from disengaging Ka Jiao；
C, with rubber rope lock ring rolling element, its radial direction deflection is eliminated：It will be placed on without outer ring cylinder roller bearing on platform,
With rubber rope banding rolling element, rolling element is adjacent to the outer roller surface of bearing inner race, prevent in assembling process rolling element crooked and
Scratch rolling element surface and planetary gear endoporus roller surface；
D, lifting is without outer ring cylinder roller bearing：Bearing hoister is placed at the center of no outer ring cylinder roller bearing,
Rotating nut, push card angle move axially the inner ring periphery for holding out against bearing, and the suspension ring of suspension ring component, water are then hooked with rope tool
Flat lifting is without outer ring cylinder roller bearing；
E, by the endoporus axial alignment without outer ring cylinder roller bearing and planetary gear, then rolling bearing, ensures rolling element
Uniformly contacted with the roller surface of planetary gear endoporus, fall into planetary gear endoporus and assemble in place, and the rubber of lock ring rolling element
Rope can slowly be deviate from assembling process；
F, bearing hoister is unloaded：Rotating nut, Ka Jiao axial movements are pulled, are allowed to and without in the cylinder roller bearing of outer ring
Enclose periphery to disengage, take out bearing hoister afterwards；
G, pressed toward having assembled without outer ring cylinder roller bearing, 180 ° of upset planetary gears, lain in a horizontal plane in pressing plate
On equal height cushion block；
H, repeat step C, D, E and F, second set of dress without outer ring cylinder roller bearing Yu another section of endoporus of planetary gear is completed
Match somebody with somebody.
In stepb, 0.5-1.0mm axial gap between the T-slot of the cylindrical tenon and Ka Jiao be present, ensure
Card angle keep level position during nut rotation, will not be rotated together with nut；The T-slot length of the Ka Jiao is more than circular cylindrical projection
The outside diameter of tenon, so after in the T-slot that cylindrical tenon is stuck in Ka Jiao, card angle can have phase along the length direction of T-slot
The shifting amount answered, Ka Jiao front end face is set preferably to adjust, be bonded with the inner ring periphery without outer ring cylinder roller bearing；Institute
The front end face for stating Ka Jiao is a perpendicular, is bonded under working condition with the inner ring periphery without outer ring cylinder roller bearing, according to
Reaching the purpose of lifting bearing by the frictional force between faying face, card angle front end face is provided with the flange of a triangle,
While Ka Jiao front end face holds out against the inner ring periphery of no outer ring cylinder roller bearing, the flange energy on the card angle front end face
It is stuck in the interior chamfering of the inner ring lower surface of no outer ring cylinder roller bearing, plays a part of lifting bearing upwards.
In step C, the rubber rope used is O shape rubber rope.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, overcome lifting during assembling difficult：Big, the chi of bearing inner race wall thickness without outer ring cylinder roller bearing piece weight
It is very little limited, it is contemplated that strength problem, hole for hoist can not to be designed on inner ring, manual handling is extremely difficult when causing to assemble；Also without
Method is clamped to rolling element external envelope face with the steel tape hoist of traditional clamping bearing outer ring, lifted；Hung with the inventive method
Brearing bore is filled, can solve the problems, such as that lifting is difficult well.
Centering is difficult when the 2nd, assembling：Due to the constraint of no bearing outer ring, the rolling element of no outer ring cylinder roller bearing exists
Slight axial direction, radial direction deflection and displacement are had before installation, its envelope diameter of a circle can be more than as in the planetary gear of interior raceway
Hole, centering is difficult when causing to assemble；By without outer ring cylinder roller bearing diameter of section, the O shape rubber rope bandings being of convenient length
Rolling element, rolling element is adjacent to the outer roller surface of bearing inner race, prevent that rolling element is crooked and scratches and rolls body surface in assembling process
Face and planetary gear endoporus roller surface.
When the 3rd, solving assembling roller surface is damaged because of clamping stagnation：With this bearing hoister, without manual handling, it is easy to slap in assembling
Assembling dynamics, speed are controlled, is easily satisfied the need, avoid in caused by the reasons such as crooked assembling axis, rolling element and roller surface clamping stagnation,
Outer raceway surface damage.
Accident risk caused by when the 4th, avoiding manual handling bearing.
Brief description of the drawings
Fig. 1 is the schematic diagram into planetary gear will to be lifted without outer ring cylinder roller bearing.
Fig. 2 is with O shape rubber rope lock ring rolling element schematic diagrames.
Fig. 3 is the erection drawing without outer ring cylinder ball bearing.
Fig. 4 is the assembling schematic diagram of bearing hoister.
Fig. 5 is the explosive view of bearing hoister.
Embodiment
With reference to specific embodiment, the invention will be further described.
Referring to shown in Fig. 1 to Fig. 5, the big megawatt wind gear-box that the present embodiment is provided is without outer ring cylinder roller bearing
Assembly method, comprise the following steps：
A, level correction planetary gear 1：Planetary gear 1 is placed horizontally on equal height cushion block, planetary gear 1 carried out with level meter
Level correction.
B, bearing hoister 4 is assembled：The center flange 41 of bearing hoister 4 is carried out with suspension ring component 42 and bearings respectively
Assembling, wherein, the suspension ring component 41 is arranged on the centre of center flange 41, and the bearings have four spacings to arrange
The periphery of center flange 41 is threaded in by respective joint 43-1, and perpendicular to the center line of center flange 41, each axle
Holding support includes joint 43-1, nut 43-2 when assembling (profile is hexagon, be easy to be rotated with hand or instrument), circular cylindrical projection
Tenon 43-3 and the card angle 43-4 with pad 43-5 (being specially flat shim), the joint 43-1 are fixed in the one of nut 43-2
End, the cylindrical tenon 43-3 is fixed in the nut 43-2 other end, and is stuck in card angle 43-4 T-slot 43-41, then
Pad 43-5 is installed by bolt 43-6 on the 43-4 of card angle again, stop limit is carried out to cylindrical tenon 43-3 by pad 43-5
Position, prevent cylindrical tenon 43-3 from disengaging card angle 43-4；The cylindrical tenon 43-3 and card angle 43-4 T-slot 43-41 it
Between 0.5-1.0mm axial gap be present, ensure card angle 43-4 keep levels position when nut 43-2 is rotated, will not be with nut
43-2 is rotated together；The T-slot 43-41 length of the card angle 43-4 is more than cylindrical tenon 43-3 outside diameter, so treats
After cylindrical tenon 43-3 is stuck in card angle 43-4 T-slot 43-41, card angle 43-4 can have along T-slot 43-41 length direction
Corresponding shifting amount, enable card angle 43-4 front end face and the inner ring periphery without outer ring cylinder roller bearing 2 preferably adjust,
Fitting；The front end face of the card angle 43-4 is a perpendicular, is justified under working condition with the inner ring without outer ring cylinder roller bearing 2
Side face is bonded, and the purpose of lifting bearing is reached by the frictional force between faying face, and the card angle 43-4 front end faces are provided with one
The flange 43-42 of individual triangle, at card angle, 43-4 front end face holds out against the same of the inner ring periphery of no outer ring cylinder roller bearing 2
When, the flange 43-42 on the card angle 43-4 front end faces can be stuck in the interior chamfering of the inner ring lower surface of no outer ring cylinder roller bearing 2
On, play a part of lifting bearing upwards.
C, with the lock ring rolling element of O shapes rubber rope 3, its radial direction deflection is eliminated：It will be placed on without outer ring cylinder roller bearing 2 flat
On platform, with diameter of section, the banding rolling element of O shapes rubber rope 3 being of convenient length, rolling element is set to be adjacent to the outer raceway of bearing inner race
Face, prevent that rolling element is crooked and scratches rolling element surface and planetary gear endoporus roller surface in assembling process.
D, lifting is without outer ring cylinder roller bearing 2：Bearing hoister 4 is placed on to the center of no outer ring cylinder roller bearing 2
Place, rotating nut 43-2, push card angle 43-4 move axially the inner ring periphery for holding out against bearing, then hook suspension ring group with rope tool
The suspension ring 42-1 of part 42, level lifting is without outer ring cylinder roller bearing 2.
E, by the endoporus axial alignment without outer ring cylinder roller bearing 2 Yu planetary gear 1, with slow with one's hands slow-speed dynamic bearing, ensure
Rolling element uniformly contacts with the roller surface of planetary gear endoporus, slowly falls into the endoporus of planetary gear 1 and assembles in place, lock ring rolling element
O shapes rubber rope 3 can slowly be deviate from assembling process.
F, bearing hoister 4 is unloaded：Rotating nut 43-2, card angle 43-4 axial movements are pulled, be allowed to being rolled without outer ring cylinder
The inner ring periphery of sub- bearing 2 disengages, rear to take out bearing hoister 4.
G, pressed with pressing plate toward having assembled without 2,180 ° of upset planetary gears 1 of outer ring cylinder roller bearing, its is horizontal positioned
On equal height cushion block.
H, repeat step C, D, E and F, second set is completed without outer ring cylinder roller bearing 2 and 1 another section of endoporus of planetary gear
Assembling.
Using after above scheme, bearing lifting when the inventive method can effectively solve the problem that assembling, with planetary gear endoporus
Centering problem and accident risk caused by when avoiding assembling clamping stagnation and damaging roller surface and manual handling bearing, suitable for difference
The assembling without outer ring cylinder roller bearing and planetary gear of size, it is a kind of reasonable, reliable, efficient, adaptable big megawatt
Wind turbine gearbox is worthy to be popularized without outer ring cylinder roller bearing assembling scheme.
Examples of implementation described above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
Enclose, therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (3)
1. a kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing, it is characterised in that including following step
Suddenly：
A, level correction planetary gear：Planetary gear is placed horizontally on equal height cushion block, horizontal school is carried out to planetary gear with level meter
Just；
B, bearing hoister is assembled：The center flange of bearing hoister is assembled with suspension ring component and bearings respectively, wherein,
The suspension ring component is arranged on the centre of center flange, and the bearings have multiple spacings to arrange to insert by respective joint
Include joint, nut, cylinder mounted in the periphery of center flange, and perpendicular to the center line of center flange, each bearings
Shape tenon and the Ka Jiao with pad, the joint are fixed in one end of nut, and the cylindrical tenon is fixed in the another of nut
One end, and be stuck in Ka Jiao T-slot, pad is then installed by bolt on Ka Jiao again, by pad to cylindrical tenon
Stop spacing, prevent cylindrical tenon from disengaging Ka Jiao；
C, with rubber rope lock ring rolling element, its radial direction deflection is eliminated：It will be placed on without outer ring cylinder roller bearing on platform, and use rubber
The tight rolling element of glue cable clamp, rolling element is adjacent to the outer roller surface of bearing inner race, prevent that rolling element is crooked and scratches in assembling process
Rolling element surface and planetary gear endoporus roller surface；
D, lifting is without outer ring cylinder roller bearing：Bearing hoister is placed at the center of no outer ring cylinder roller bearing, rotated
Nut, push card angle move axially the inner ring periphery for holding out against bearing, and the suspension ring of suspension ring component are then hooked with rope tool, and level rises
Hang no outer ring cylinder roller bearing；
E, by the endoporus axial alignment without outer ring cylinder roller bearing and planetary gear, then rolling bearing, ensures rolling element and row
The roller surface of star-wheel endoporus uniformly contacts, and falls into planetary gear endoporus and assembles in place, and the rubber rope meeting of lock ring rolling element
Slowly deviate from assembling process；
F, bearing hoister is unloaded：Rotating nut, Ka Jiao axial movements are pulled, be allowed to justify with the inner ring without outer ring cylinder roller bearing
Side face disengages, and takes out bearing hoister afterwards；
G, pressed toward having assembled without outer ring cylinder roller bearing, 180 ° of upset planetary gears, lain in a horizontal plane in contour with pressing plate
On cushion block；
H, repeat step C, D, E and F, second set of assembling without outer ring cylinder roller bearing Yu another section of endoporus of planetary gear is completed.
2. a kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing according to claim 1, its
It is characterised by：In stepb, 0.5-1.0mm axial gap between the T-slot of the cylindrical tenon and Ka Jiao be present, protect
Card angle keep level position when demonstrate,proving nut rotation, will not be rotated together with nut；The T-slot length of the Ka Jiao is more than cylinder
The outside diameter of tenon, so after in the T-slot that cylindrical tenon is stuck in Ka Jiao, card angle can have along the length direction of T-slot
Corresponding shifting amount, Ka Jiao front end face is set preferably to adjust, be bonded with the inner ring periphery without outer ring cylinder roller bearing；
The front end face of the Ka Jiao is a perpendicular, is bonded under working condition with the inner ring periphery without outer ring cylinder roller bearing,
Reach the purpose of lifting bearing by the frictional force between faying face, card angle front end face is provided with the convex of triangle
Edge, it is convex on the card angle front end face while Ka Jiao front end face holds out against the inner ring periphery of no outer ring cylinder roller bearing
Edge can be stuck in the interior chamfering of the inner ring lower surface of no outer ring cylinder roller bearing, play a part of lifting bearing upwards.
3. a kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing according to claim 1, its
It is characterised by：In step C, the rubber rope used is O shape rubber rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259531.6A CN106946156B (en) | 2017-04-20 | 2017-04-20 | A kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259531.6A CN106946156B (en) | 2017-04-20 | 2017-04-20 | A kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing |
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| Publication Number | Publication Date |
|---|---|
| CN106946156A CN106946156A (en) | 2017-07-14 |
| CN106946156B true CN106946156B (en) | 2018-02-13 |
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| CN201710259531.6A Active CN106946156B (en) | 2017-04-20 | 2017-04-20 | A kind of big assembly method of the megawatt wind gear-box without outer ring cylinder roller bearing |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247310B (en) * | 2017-12-26 | 2020-11-03 | 太重煤机有限公司 | Planetary reducer planet subassembly bearing assembly fixture |
| CN108127403A (en) * | 2018-01-22 | 2018-06-08 | 王玉江 | A kind of bearing assembling device and assemble method |
| CN111675082B (en) * | 2020-06-25 | 2023-08-18 | 大连大重机电安装工程有限公司 | Tool lifting appliance for assembling gearbox planetary gear bearing and application method thereof |
| CN113942889B (en) * | 2020-07-17 | 2023-06-13 | 沈阳新松机器人自动化股份有限公司 | Internal diameter centering linkage tensioning device |
| CN113565869B (en) * | 2021-09-02 | 2024-05-07 | 山东建筑大学 | Horizontal and vertical integrated linkage composite bearing |
| CN114084783A (en) * | 2021-11-26 | 2022-02-25 | 中铁工程装备集团有限公司 | Hoisting device and hoisting method for full-section water-stop curtain cloth |
| CN114857175A (en) * | 2022-05-11 | 2022-08-05 | 徐州罗特艾德回转支承有限公司 | Retainer structure for bearing, and method for attaching and detaching retainer |
| CN115947219B (en) * | 2023-02-24 | 2023-05-16 | 山东铭瑞纺织科技有限公司 | Hoisting and transferring device for spinning workshop |
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| GB2429966B (en) * | 2005-09-07 | 2009-10-14 | Antec Ltd | Shaft-ring gripper |
| US7675211B2 (en) * | 2007-03-06 | 2010-03-09 | General Electric Company | Method of assembling a rotor shaft assembly |
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| US3865670A (en) * | 1972-12-29 | 1975-02-11 | Uniroyal Inc | Breaker-tread assembly transfer ring size changing mechanism |
| DE102011011603A1 (en) * | 2011-02-17 | 2012-08-23 | Martin Bode | Lifting device for lifting e.g. tower section of offshore-wind turbine, has grippers moved through opening of front end limited by annular flange in retracted state and engaged behind flange at underside of device in extended state |
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| CN106946156A (en) | 2017-07-14 |
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