CN106904532B - A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender - Google Patents
A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender Download PDFInfo
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- CN106904532B CN106904532B CN201710259520.8A CN201710259520A CN106904532B CN 106904532 B CN106904532 B CN 106904532B CN 201710259520 A CN201710259520 A CN 201710259520A CN 106904532 B CN106904532 B CN 106904532B
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- nut
- jiao
- outer ring
- roller bearing
- cylinder roller
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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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind turbine gearbox without outer ring cylinder roller bearing suspender, including center flange, hanging ring component and bearings, hanging ring component is mounted on the centre of center flange, bearings have multiple spacings to arrange the periphery for being inserted into center flange, each bearings include connector, first nut, cylindrical tenon and the Ka Jiao with gasket, connector is fixed in one end of the first nut, cylindrical tenon is fixed in the other end of the first nut, and it is stuck in the T-slot of Ka Jiao, stop /V is carried out by the gasket installed on Ka Jiao, prevent cylindrical tenon from disengaging Ka Jiao, the first nut of forward and reverse rotation, pass through the dynamic Ka Jiao axial movements of cylindrical tenon push-and-pull on the first nut, the front end face of Ka Jiao can be made to hold out against or disengage the inner ring periphery without outer ring cylinder roller bearing.Suspender of the present invention it is versatile, can effectively solve the problems, such as the lifting of bearing during assembling, accident risk caused by when reducing manual handling bearing.
Description
Technical field
The present invention relates to technical field of the wind turbine gearbox without outer ring cylinder roller bearing lifting utensil, refer in particular to one kind
Wind turbine gearbox is without outer ring cylinder roller bearing suspender.
Background technology
As wind turbine gearbox develops to big megawatt, become as one kind using no outer ring cylinder roller bearing in planetary gear
Gesture.The characteristics of no outer ring cylinder roller bearing be inner ring, retainer, rolling element be an entirety, planetary gear endoporus replace bearing
Outer ring becomes interior raceway, and so in design, planet wheel rim opposite 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 wriggling there is no outer ring.
But without outer ring cylinder roller bearing, there are many difficulties for lifting in assembling：1st, without outer ring cylinder roller bearing list
Part weight is big, and the size of bearing inner race wall thickness is limited, because that in view of strength problem, hole for hoist can not be designed on inner ring, is caused
The lifting of the lifting tools such as hanging ring can not be borrowed；It 2nd, can not be with the steel tape hoist of traditional clamping bearing outer ring to rolling element external envelope
Face is clamped, is lifted；3rd, during manual handling bearing caused by accident risk.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art and shortcoming, provide a kind of easy to operate, versatile
Wind turbine gearbox without outer ring cylinder roller bearing suspender, can effectively solve the lifting of bearing during assembling, reduce manual handling axis
Accident risk caused by when holding, suitable for the lifting of various sizes of no outer ring cylinder roller bearing.
To achieve the above object, technical solution provided by the present invention is：A kind of wind turbine gearbox is without outer ring cylindrical roller
Bearing hoister, including center flange, hanging ring component and bearings, the hanging ring component is mounted on the central part of center flange
Position, the bearings have multiple spacings to arrange the periphery for being inserted into center flange by respective connector, and perpendicular to center method
Blue center line, each bearings include connector, the first nut, cylindrical tenon and the Ka Jiao with gasket, the connector
One end of the first nut is fixed in, the cylinder tenon is fixed in the other end of the first nut, and is stuck in the T-slot of Ka Jiao
In, stop /V is carried out by the gasket installed on the Ka Jiao by bolt, prevents that cylindrical tenon from disengaging Ka Jiao, forward and reverse turn
Dynamic first nut is moved axially by the dynamic Ka Jiao of cylindrical tenon push-and-pull on the first nut, can make the front end face top of Ka Jiao
Tight or inner ring periphery of the disengagement without outer ring cylinder roller bearing.
There are the axial gap of 0.5-1.0mm between the cylinder tenon and the T-slot of Ka Jiao, ensure that the first nut turns
Ka Jiao keeps horizontal level when dynamic, will not be rotated together with the first nut.
The T-slot length of the Ka Jiao is more than the outside diameter of cylindrical tenon, so treats that cylindrical tenon is stuck in Ka Jiao
T-slot in after, card angle can have corresponding shifting amount along the length direction of T-slot, make the front end face of Ka Jiao and no outer ring cylinder
The inner ring periphery of roller bearing can be adjusted preferably, is bonded.
The front end face of the Ka Jiao is a perpendicular, the inner ring circumference under working condition with no outer ring cylinder roller bearing
Face paste is closed, and achievees the purpose that lift by crane bearing by the frictional force between faying face, sets that there are one triangles on the front end face of the card angle
The flange of shape, while the front end face of Ka Jiao holds out against the inner ring periphery of no outer ring cylinder roller bearing, the card angle front end face
On the flange inner ring lower face that can be stuck in no outer ring cylinder roller bearing inner chamfer on, play the work for lifting bearing upwards
With.
The hanging ring component include stud, nut hanging ring, the second nut, the 3rd nut, the one of the stud
End is mounted on the centre of center flange by the second nut, and the other end up extends through the 3rd nut and is equipped with vertically
Nut hanging ring.
The shape of first nut is hexagon, is convenient for during assembling being rotated with hand or instrument.
The gasket is flat shim.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
1st, overcome lifting during assembling difficult：Big, the ruler 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 can not design hole for hoist on inner ring, cause that the lifting of the suspenders such as hanging ring, assembling can not be borrowed
When manual handling it is extremely difficult；Also rolling element external envelope face can not be pressed from both sides with the steel tape hoist of traditional clamping bearing outer ring
It holds, lift；The problem of lifting is difficult can be well solved with bearing hoister of the present invention.
2nd, it is convenient to mount and dismount when bearing hoister operates, is conducive to save installation time.
3rd, it is at low cost：Suspender design structure is simple, is easily worked, and standard component is easily bought, of low cost.
4th, it is versatile：Modularization can be designed, seriation is hung according to the different sizes of no outer ring cylinder roller bearing
Tool.
Accident risk caused by when the 5th, avoiding manual handling bearing.
Description of the drawings
Fig. 1 is the assembling schematic diagram of bearing hoister of the present invention.
Fig. 2 is the explosive view of bearing hoister of the present invention.
Fig. 3 for no outer ring cylinder ball bearing erection drawing.
Fig. 4 for no outer ring cylinder ball bearing lifting sectional view.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Referring to the wind turbine gearbox that shown in Fig. 1 to Fig. 4, the present embodiment is provided without outer ring cylinder roller bearing suspender, bag
Include center flange 1, hanging ring component and bearings；The hanging ring component includes stud 201, nut hanging ring 202, the second spiral shell
Female 203, the 3rd nut 204, one end of the stud 201 are mounted on the central part of center flange 1 by the second nut 203
Position, the other end up extend through the 3rd nut 204 and are equipped with nut hanging ring 202 vertically；There are four fixed for the bearings
Away from arranging periphery that center flange 1 is threaded in by respective connector 301, and perpendicular to the center line of center flange 1, each
Bearings include connector 301, the first nut 302, cylindrical tenon 303 and with gasket 305 (being specially flat shim)
Card angle 304, the shape of first nut 302 is hexagon, and when assembling is convenient for being rotated with hand or instrument, the connector 301
One end affixed (threaded connection) in one end of the first nut 302, the cylinder tenon 303 is fixed in the first nut 302
The other end, and being stuck in the T-slot 304-1 at card angle 304, by the card angle 304 by the gasket 305 that bolt 306 is installed into
Row stops /V, prevents cylindrical tenon 303 from disengaging card angle 304, and the first nut 302 of positive (reversed) rotation passes through the first spiral shell
Cylindrical tenon 303 on mother 302 promotes (pulling) card angle 304 to move axially, and can hold out against the front end face at card angle 304 and (take off
Open) the inner ring periphery without outer ring cylinder roller bearing 4.
There are the axial gap of 0.5-1.0mm between cylindrical tenon 303 and the T-slot 304-1 at card angle 304, ensure the
Card angle 304 keeps horizontal level when one nut 302 rotates, and will not be rotated together with the first nut 302.
The front end face at card angle 304 is a perpendicular, the inner ring circumference under working condition with no outer ring cylinder roller bearing 4
Face paste is closed, and achievees the purpose that lift by crane bearing by the frictional force between faying face.There are one three on 304 front end face of card angle simultaneously
Angular flange 304-2, while the front end face at card angle 304 holds out against the inner ring periphery of no outer ring cylinder roller bearing 4, this
The flange 304-2 at card angle 304 can be stuck on the inner chamfer of no 4 inner ring lower face of outer ring cylinder roller bearing, played and lifted upwards
The effect of bearing makes hoisting process safer.
The T-slot 304-1 length at card angle 304 is more than the outside diameter of cylindrical tenon 303, so treats cylindrical tenon
303 are stuck in the T-slot 304-1 at card angle 304, and after assembling gasket 305, card angle 304 can have along the length direction of T-slot 304-1
Corresponding shifting amount, enable the front end face at card angle 304 and the inner ring periphery of no outer ring cylinder roller bearing 4 preferably adjust,
Fitting.
It is below lifting and discharging method of the above-mentioned wind turbine gearbox of the present embodiment without outer ring cylinder roller bearing suspender, tool
Body is as follows：
Lifting is without outer ring cylinder roller bearing：Assembled bearing hoister is placed on no outer ring cylinder roller bearing 4
At center, the first nut 302 is rotated forward, is moved by the way that the 303 push card angle of cylindrical tenon 304 on the first nut 302 is axial
It is dynamic, the front end face at card angle 304 is made to hold out against the inner ring periphery of no outer ring cylinder roller bearing 4, as shown in figure 3, card angle 304 simultaneously
On triangular flanges 304-2 be stuck on the inner chamfer of no 4 inner ring lower face of outer ring cylinder roller bearing, play and lift axis upwards
The effect held, as shown in figure 4, then hooking nut hanging ring 202 with rope tool, level lifting is without outer ring cylinder roller bearing 4.
Unloading is without outer ring cylinder roller bearing：The first nut 302 is rotated backward, passes through the cylinder on the first nut 302
Tenon 303 pulls card angle 7 to move axially, and is allowed to disengage with the inner ring periphery of no outer ring cylinder roller bearing 4, then takes out axis
Hold suspender.
In conclusion it is caused when can effectively solve the problem that assembling using suspender of the present invention when bearing lifting, manual handling bearing
Accident risk, suitable for the lifting of various sizes of no outer ring cylinder roller bearing, be it is a kind of rationally, it is reliable, efficiently, adapt to
Property strong preferable wind turbine gearbox without outer ring cylinder roller bearing suspender, be worthy to be popularized.
The examples of implementation of the above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
It encloses, therefore the variation that all shape, principles according to the present invention are made, it should all cover within the scope of the present invention.
Claims (7)
1. a kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender, including center flange, hanging ring component and bearings, institute
The centre that hanging ring component is mounted on center flange is stated, the bearings there are multiple spacings to arrange to insert by respective connector
On the periphery of center flange, and perpendicular to the center line of center flange, it is characterised in that：Each bearings include connector, the
One nut, cylindrical tenon and the Ka Jiao with gasket, the connector are fixed in one end of the first nut, the cylinder tenon
The other end of the first nut is fixed in, and is stuck in the T-slot of Ka Jiao, is carried out by the gasket installed on the Ka Jiao by bolt
Stop /V, prevent cylindrical tenon from disengaging Ka Jiao, the first nut of forward and reverse rotation passes through the cylindrical tenon on the first nut
The dynamic Ka Jiao axial movements of push-and-pull, can make the front end face of Ka Jiao hold out against or disengage the inner ring circumference without outer ring cylinder roller bearing
Face.
2. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
There are the axial gap of 0.5-1.0mm between cylindrical tenon and the T-slot of Ka Jiao, ensure that Ka Jiao is kept during the first nut rotation
Horizontal level will not rotate together with the first nut.
3. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
The T-slot length of Ka Jiao is more than the outside diameter of cylindrical tenon, so after in the T-slot that cylindrical tenon is stuck in Ka Jiao,
Card angle can have corresponding shifting amount along the length direction of T-slot, make the front end face of Ka Jiao in no outer ring cylinder roller bearing
Circle periphery can be adjusted preferably, is bonded.
4. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
The front end face of Ka Jiao is a perpendicular, is bonded under working condition with the inner ring periphery of no outer ring cylinder roller bearing, is relied on
Frictional force between faying face achievees the purpose that lifting bearing, and the flange there are one triangle is set on the front end face of the card angle,
While the front end face of Ka Jiao holds out against the inner ring periphery of no outer ring cylinder roller bearing, the flange on the card angle front end face can block
On the inner chamfer of the inner ring lower face of no outer ring cylinder roller bearing, play the role of lifting bearing upwards.
5. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
Hanging ring component includes stud, nut hanging ring, the second nut, the 3rd nut, and one end of the stud passes through the second spiral shell
Mother is mounted on the centre of center flange, and the other end up extends through the 3rd nut and is equipped with nut hanging ring vertically.
6. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
The shape of first nut is hexagon, is convenient for during assembling being rotated with hand or instrument.
7. a kind of wind turbine gearbox according to claim 1 is without outer ring cylinder roller bearing suspender, it is characterised in that：It is described
Gasket is flat shim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259520.8A CN106904532B (en) | 2017-04-20 | 2017-04-20 | A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259520.8A CN106904532B (en) | 2017-04-20 | 2017-04-20 | A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106904532A CN106904532A (en) | 2017-06-30 |
| CN106904532B true CN106904532B (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710259520.8A Active CN106904532B (en) | 2017-04-20 | 2017-04-20 | A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender |
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| CN (1) | CN106904532B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2020809B1 (en) * | 2018-04-23 | 2019-10-31 | Ihc Holland Ie Bv | A lifting tool |
| CN110835045B (en) * | 2019-10-21 | 2021-07-30 | 张琰 | Integrated circuit makes with single crystal growing furnace draft tube safe hoist device |
| 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 |
| CN112141887B (en) * | 2020-07-14 | 2021-06-01 | 徐州徐工港口机械有限公司 | Base plate fixing device and method of steering mechanism |
| CN113460850B (en) * | 2021-07-28 | 2022-11-08 | 中车永济电机有限公司 | Hoisting assembly tool for split type cylindrical roller bearing outer ring of locomotive traction motor |
| CN114104942B (en) * | 2021-12-09 | 2024-01-16 | 中交二公局铁路建设有限公司 | Lifting lug in steel spring floating slab hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865670A (en) * | 1972-12-29 | 1975-02-11 | Uniroyal Inc | Breaker-tread assembly transfer ring size changing mechanism |
| FR2821070A1 (en) * | 2001-02-19 | 2002-08-23 | Alpi Ind Sarl | Semi-automatic mechanical cross bars for handling flexible containers in a support frame, uses arms with grips at the end with a linkage from the lifting eye to close grips during lifting and release them when the load is lowered |
| GB2429966B (en) * | 2005-09-07 | 2009-10-14 | Antec Ltd | Shaft-ring gripper |
| 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 |
| CN102807155B (en) * | 2012-08-27 | 2014-08-06 | 南车株洲电力机车研究所有限公司 | Lifting appliance for lifting bearing with inseparable inner and outer rings |
| CN103466439A (en) * | 2013-09-12 | 2013-12-25 | 颜从均 | Special hoisting device for hollow cylindrical piece |
| CN204643594U (en) * | 2015-05-21 | 2015-09-16 | 安徽合力股份有限公司合肥铸锻厂 | Telescopic rotary formula inside flange workpiece insurance suspender |
| CN204778355U (en) * | 2015-05-25 | 2015-11-18 | 麦孚威车轮制造（中国）有限公司 | Automobile wheel hub special lifting device |
-
2017
- 2017-04-20 CN CN201710259520.8A patent/CN106904532B/en active Active
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| Publication number | Publication date |
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| CN106904532A (en) | 2017-06-30 |
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