CN110360066A - Slide base bearing transmission chain and the wind turbine including it - Google Patents
Slide base bearing transmission chain and the wind turbine including it Download PDFInfo
- Publication number
- CN110360066A CN110360066A CN201910623046.1A CN201910623046A CN110360066A CN 110360066 A CN110360066 A CN 110360066A CN 201910623046 A CN201910623046 A CN 201910623046A CN 110360066 A CN110360066 A CN 110360066A
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- China
- Prior art keywords
- bearing
- outer ring
- end surface
- press plate
- surface press
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of sliding base bearing transmission chain and including its wind turbine, sliding base bearing transmission chain includes: a bearing inner race and a bearing outer ring；End surface press plate；Two groups of axial sliders, two groups of axial sliders provide quiet dynamic friction between bearing inner race/bearing outer ring and the end surface press plate of two sides is isolated and load transmission；Two groups of radial sliders, two groups of radial sliders provide quiet dynamic friction isolation and load transmission between bearing inner race and bearing outer ring, and two groups of radial sliders are spaced setting in the axial direction.The present invention has bigger bearing capacity compared to base bearing is rolled, and shock resistance is good, and stable working is reliable, improves the reliability of blower.It is easy to manufacture, the production cycle is shortened, it is low to reduce production cost.End surface press plate is detachable, and axial slider and radial slider are replaceable, bearing long service life.Frictional force is reduced compared to the sliding bearing of 3 point contacts simultaneously to reduce calorific value and abrasion loss.
Description
Technical field
The present invention relates to a kind of sliding base bearing transmission chain and including its wind turbine.
Background technique
There are a kind of transmission chain structures of direct drive for wind turbine at present.This transmission chain structure is generally using rolling
The form of dynamic base bearing.Such as single double row tapered roller bearing or two single-row tapered roller transmission chain forms.Wind turbine
The transmission chain of machine direct drive rolls base bearing, and bearing capacity is low, and shock resistance is bad, works not stable enough reliable, does not allow
Easily manufacture, the production cycle is long, high production cost, it is not possible to safeguard, the short problem of bearing service life.
Also there is wind turbine to use the technology of sliding bearing at present, but it is universal maintainable not high.Because of sliding axle
It holds and there is the shortcomings that big compared to rolling bearing calorific value, quick abrasion.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome in the prior art wind turbine roll base bearing carrying energy
Power is low, and shock resistance is bad, works not stable enough reliable, it is not easy to manufacture, the production cycle is long, high production cost, it is not possible to it safeguards,
The short defect of bearing service life provides a kind of sliding base bearing transmission chain and the wind turbine including it.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of sliding base bearing transmission chain, it is characterized in that, the sliding base bearing transmission chain includes:
One bearing inner race and a bearing outer ring；
End surface press plate, the end surface press plate are set to the two of the axial direction of the bearing inner race and the bearing outer ring
Side；
Two groups of axial sliders, two groups of axial sliders are in the end face of the bearing inner race/bearing outer ring and two sides
Quiet dynamic friction isolation and load transmission are provided between pressing plate；
Two groups of radial sliders, two groups of radial sliders provide quiet dynamic friction between the bearing inner race and the bearing outer ring
Isolation and load transmission, two groups of radial sliders are spaced setting in the axial direction.
The advantages of this programme relative rolling base bearing, is: 1, it is high to slide base bearing bearing capacity；(the big original of contact area
Cause)；2, simple structure, manufacture, processing, convenient disassembly；3, good impact resistance and good vibration absorbing performance, smooth running,
Running accuracy is high.
This programme is also economical relative to base bearing is rolled.What blower fan main shaft was held at present is all to roll base bearing
Form.Rolling bearing internal clearance very little, the requirement on machining accuracy of each part is higher, using bearing steel heat treatment process.
So it is expensive to roll base bearing.Base bearing simple structure is slided, manufacture, the processing is simple.Using sliding base bearing compared to rolling
Dynamic base bearing transmission chain, cost at least decline 60%.
In addition, two groups of axial sliders of this programme and two groups of radial sliders form 4 points of supports.For 3 point contacts
For sliding bearing form, it is equivalent to single-bearing, bearing axial width L (span) is small.The big moment of flexure of blower to be carried is come
It says, same friction plate (radial slider) unit area needs to carry bigger radial force F, thus the pressure P of unit area carrying
It can be bigger.The heat of friction plate (radial slider) generation and abrasion loss are also bigger in this way.For reducing the friction of sliding base bearing
It is a huge challenge for piece (radial slider) calorific value and abrasion loss problem.So the sliding main shaft of 4 point contact of this programme
It holds to solve the problems, such as friction plate calorific value and abrasion loss, two groups of axial slider interval settings increase bearing span, reduce
Friction plate (radial slider) unit pressure, to reduce frictional force to reduce calorific value and abrasion loss.
Preferably, every group of axial slider includes multiple axial sliders；Each axial slider is distributed around in the bearing
Circle/between the bearing outer ring and the end surface press plate of two sides.Axial slider can be friction plate, usually the knot of sheet
Structure can be made of different types of material.
Preferably, every group of radial slider includes multiple radial sliders；Each radial slider is distributed around in the bearing
Between circle and the bearing outer ring.Radial slider can be friction plate, usually the structure of sheet, can be by different types of material
Material is made.
Preferably, the quantity for being located at the end surface press plate of the same side is one, the end surface press plate surround and extends the axis
Hold the side of inner ring and the bearing outer ring.At this point, end surface press plate is further circular.
Preferably, the quantity for being located at the end surface press plate of the same side is multiple, the circular row of each end surface press plate of the same side
It is listed in the side of the bearing inner race and the bearing outer ring.It can be convenient replacement using multiple end surface press plates.In the length of equipment
In phase operation, once there is end surface press plate to generate damage, it is only necessary to corresponding end surface press plate is replaced, it is other not need replacement
End surface press plate.
Preferably, the end surface press plate is the laminated structure of rectangle, the gap formed between the adjacent end surface press plate
Less than axial slider.Thus end surface press plate is conducive to processing, and can prevent axial slider from skidding off.
Preferably, one end of the end surface press plate is removably connected to the bearing inner race/bearing outer ring, the end
The other end of face pressure plate realizes that quiet dynamic friction is isolated and load passes with the bearing outer ring/bearing inner race by axial slider
It passs.End surface press plate is detachably arranged, and axial slider and radial slider are replaced at any time.
Preferably, the end surface press plate passes through threaded fastener and the bearing inner race/bearing outer ring.
Preferably, end face outside and the bearing inner race of the inner side end of the end surface press plate, the bearing outer ring
End face outside in one of be provided with pockets, the axial slider is limited in the pockets.It accommodates
Groove can be limited and be guided to axial slider.
Preferably, being set one of in the outside circumference of the inside circumference of the bearing outer ring and the bearing inner race
Pockets are equipped with, the radial slider is limited in the pockets.Pockets can limit radial slider
Position and guidance.
Preferably, being mutually affixed at the axial slider of the two sides of the bearing inner race and the bearing outer ring in the axial direction
Closely, and centre in the axial direction away from each other.
Preferably, the bearing outer ring is connect with generator amature and wheel hub.
Preferably, the outside of the radial direction of the bearing outer ring, the wheel hub setting is arranged in the generator amature
In the outside of the radial direction of the end surface press plate, wherein the wheel hub is connected to the end face outside of the bearing outer ring, described
Generator amature is connected to the inner side end of the bearing outer ring.By the way of the rotation of outer ring, load position is located at two groups
Between radial slider, there is lesser bending load.
Preferably, the bearing inner race is connect with generator amature and wheel hub.By the way of inner ring rotation, load is made
It is located at except two groups of radial sliders with point, there is biggish bending load.
Preferably, the outside of the radial direction of the bearing outer ring, the bearing inner race is arranged in the generator amature
With connection lateral margin, the connection lateral margin extends outwardly in the axial direction and in the radial direction, wherein the wheel hub is connected to institute
The end face outside of connection lateral margin is stated, the generator amature is connected to the inner side end of the connection lateral margin.
A kind of wind turbine, it is characterized in that, the wind turbine includes the sliding base bearing transmission chain.
The positive effect of the present invention is that: the present invention has bigger bearing capacity, shock resistance compared to base bearing is rolled
Good, stable working is reliable, improves the reliability of blower.It is easy to manufacture, the production cycle is shortened, it is low to reduce production cost.
End surface press plate is detachable, and axial slider and radial slider are replaceable, bearing long service life.Simultaneously compared to the cunning of 3 point contacts
Dynamic bearing reduces frictional force to reduce calorific value and abrasion loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sliding base bearing transmission chain of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the outer ring rotation mode of the embodiment of the present invention 1.
Fig. 3 is the partial enlargement structural representation of the outer ring rotation mode of the embodiment of the present invention 1.
Fig. 4 is the structural schematic diagram of the outer ring rotation mode of the embodiment of the present invention 2.
Fig. 5 is the partial enlargement structural representation of the outer ring rotation mode of the embodiment of the present invention 2.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
As shown in Figure 1-Figure 3, present embodiment discloses a kind of sliding base bearing transmission chains, wherein the sliding of the present embodiment
Base bearing transmission chain includes bearing outer ring 1, bearing inner race 2, end surface press plate 31 and end surface press plate 32, axial slider 41 and axially slides
Block 42, radial slider 51 and radial slider 52, wheel hub 6, generator amature 7, generator unit stator 8, fixing axle 9, main pedestal 10.
As shown in Figure 1-Figure 3, the sliding base bearing transmission chain of the present embodiment includes a bearing inner race 2 and a bearing outer ring
1.Wherein, the outside in the radial direction of bearing inner race 2 is arranged in bearing outer ring 1, and the two is arranged in parallel.
As shown in figures 1 and 3, the sliding base bearing transmission chain of the present embodiment includes two groups of end surface press plate (end surface press plates 31
With end surface press plate 32), end surface press plate 31 and end surface press plate 32 are set to the axial direction of bearing inner race 2 and bearing outer ring 1
Two sides；
As shown in figures 1 and 3, the sliding base bearing transmission chain of the present embodiment includes two groups of axial slider (axial sliders 41
With axial slider 42), the end surface press plate 31 and end surface press plate 32 of axial slider 41 and axial slider 42 in bearing outer ring 1 Yu two sides
Between quiet dynamic friction isolation and load transmission are provided.In actual implementation, axial slider 41 and axial slider may be set to be
42 provided between the end surface press plate 31 and end surface press plate 32 of bearing inner race 2 with two sides respectively quiet dynamic friction be isolated and load pass
It passs.
As shown in figures 1 and 3, the sliding base bearing transmission chain of the present embodiment includes two groups of radial slider (radial sliders 51
With radial slider 52), radial slider 51 and radial slider 52 provided between bearing inner race 2 and bearing outer ring 1 quiet dynamic friction every
From and load transmission, two groups of radial sliders (radial slider 51 and radial slider 52) be spaced setting in the axial direction.
As shown in Figure 1-Figure 3, the end surface press plate 31 of the present embodiment and end surface press plate 32 are bolt-connected to bearing inner race 2
On, play the role of fastening axial slider 41 and axial slider 42, and prevent radial slider 51 and radial slider 52 in axial sliding.
The bending load of wind wheel passes to bearing inner race 2 by radial slider 51 and radial slider 52 between wheel hub 6, bearing outer ring 1,
The axial load of wind wheel passes to bearing inner race 2 by axial slider 41 and axial slider 42.Between bearing inner race 2, fixing axle 9
It is bolted load transmission to opposing stationary main pedestal 10.Axial slider 41, axial slider 42 and radial slider 51,
Radial slider 52 forms the effect of friction isolation and load transmission between bearing outer ring 1 (rotation) and bearing inner race 2 (static).
The advantages of this programme relative rolling base bearing, is: 1, it is high to slide base bearing bearing capacity；(the big original of contact area
Cause)；2, simple structure, manufacture, processing, convenient disassembly；3, good impact resistance and good vibration absorbing performance, smooth running,
Running accuracy is high.
This programme is also economical relative to base bearing is rolled.What blower fan main shaft was held at present is all to roll base bearing
Form.Rolling bearing internal clearance very little, the requirement on machining accuracy of each part is higher, using bearing steel heat treatment process.
So it is expensive to roll base bearing.Base bearing simple structure is slided, manufacture, the processing is simple.Using sliding base bearing compared to rolling
Dynamic base bearing transmission chain, cost at least decline 60%.
In addition, two groups of axial sliders (axial slider 41 and axial slider 42) of this programme and two groups of radial slider (diameters
To sliding block 51 and radial slider 52) form 4 points of supports.For the sliding bearing form of 3 point contacts, it is equivalent to single shaft
It holds, bearing axial width L (span) is small.For the big moment of flexure of blower to be carried, same friction plate (radial slider 51 and diameter
To sliding block 52) unit area needs to carry bigger radial force F, thus the pressure P of unit area carrying can be bigger.It rubs in this way
The heat and abrasion loss that piece (radial slider 51 and radial slider 52) generates are also bigger.For reducing the friction plate of sliding base bearing
It is a huge challenge for (radial slider 51 and radial slider 52) calorific value and abrasion loss problem.So 4 points of this programme connect
The sliding base bearing of touching is in order to solve the problems, such as friction plate calorific value and abrasion loss, two groups of axial sliders (axial slider 41 and axis
To sliding block 42) interval setting increases bearing span, friction plate (radial slider 51 and radial slider 52) unit pressure is reduced, from
And frictional force is reduced to reduce calorific value and abrasion loss.
As shown in figures 1 and 3, every group of axial slider (axial slider 41 and axial slider 42) of the present embodiment includes more
A axial slider；Each axial slider is distributed around bearing outer ring 1 and (is also possible to be distributed in bearing inner race in other embodiments
2) between the end surface press plate of two sides (end surface press plate 31 and end surface press plate 32).Axial slider (axial slider 41 and axial slider
It 42) can be friction plate, usually the structure of sheet, can be made of different types of material.
As shown in figures 1 and 3, every group of radial slider (radial slider 51 and radial slider 52) of the present embodiment includes more
A radial slider；Each radial slider is distributed around between bearing inner race 2 and bearing outer ring 1.Radial slider (51 He of radial slider
Radial slider 52) it can be friction plate, usually the structure of sheet, can be made of different types of material.
As shown in figures 1 and 3, the end surface press plate (end surface press plate 31 and end surface press plate 32) positioned at the same side of the present embodiment
Quantity be it is multiple, each end surface press plate (end surface press plate 31 and end surface press plate 32) of the same side is around being arranged in 2 He of bearing inner race
The side of bearing outer ring 1.It can be convenient replacement using multiple end surface press plates (end surface press plate 31 and end surface press plate 32).In equipment
In longtime running, once there is end surface press plate (end surface press plate 31 and end surface press plate 32) to generate damage, it is only necessary to replace corresponding end
Face pressure plate (end surface press plate 31 and end surface press plate 32) does not need to replace other end surface press plates (end surface press plate 31 and end face
Pressing plate 32).
Certainly in other alternative embodiments, the quantity positioned at the end surface press plate of the same side is one, end surface press plate ring
Around the side for extending bearing inner race 2 and bearing outer ring 1.At this point, end surface press plate is further arranged to annular shape.
In the present embodiment, end surface press plate 31 and end surface press plate 32 are the laminated structure of rectangle, between adjacent end surface press plate
The gap of formation is less than axial slider.Thus end surface press plate is conducive to processing, and can prevent axial slider (axial slider 41 and axis
To sliding block 42) it skids off.
In the present embodiment, one end of end surface press plate (end surface press plate 31 and end surface press plate 32) is removably connected to bearing inner race
2, the other end of end surface press plate (end surface press plate 31 and end surface press plate 32) passes through axial slider (axial slider 41 and axial slider
42) realize that quiet dynamic friction is isolated and load transmission with bearing outer ring 1.End surface press plate (end surface press plate 31 and end surface press plate 32) is removable
Setting is unloaded, axial slider (axial slider 41 and axial slider 42) and radial slider are replaced at any time.
In other optional embodiments, end surface press plate (end surface press plate 31 and end surface press plate 32) may be set to be
One end is removably connected to bearing outer ring 1, and the other end of end surface press plate (end surface press plate 31 and end surface press plate 32) passes through axial sliding
Block (axial slider 41 and axial slider 42) and bearing inner race 2 realize that quiet dynamic friction is isolated and load transmission.
In the present embodiment, end surface press plate (end surface press plate 31 and end surface press plate 32) by threaded fastener (such as bolt) with
Bearing inner race 2 connects.In other optional embodiments, it can also be connected by threaded fastener bearing outer ring 1.
As shown in figures 1 and 3, the inner side end of the end surface press plate (end surface press plate 31 and end surface press plate 32) of the present embodiment,
Pockets, axial slider are provided with one of in the end face outside of bearing outer ring 1 and the end face outside of bearing inner race 2
(axial slider 41 and axial slider 42) is limited in pockets.Pockets can be to axial slider (axial slider 41
With axial slider 42) it is limited and is guided.
As shown in figures 1 and 3, in the inside circumference of the bearing outer ring 1 of the present embodiment and the outside circumference of bearing inner race 2
One of be provided with pockets, radial slider (radial slider 51 and radial slider 52) is limited in pockets.
Pockets can be limited and be guided to radial slider (radial slider 51 and radial slider 52).
As shown in figure 3, the axial slider of the two sides of the bearing inner race 2 and bearing outer ring 1 of the present embodiment in the axial direction
At (axial slider 41 and axial slider 42) mutually close to, and centre in the axial direction away from each other.
As shown in Figures 2 and 3, the outside of the radial direction of bearing outer ring 1 is arranged in the generator amature 7 of the present embodiment,
Wheel hub 6 is arranged in the outside of the radial direction of end surface press plate (end surface press plate 31 and end surface press plate 32), wherein wheel hub 6 is connected to
The end face outside of bearing outer ring 1, generator amature 7 are connected to the inner side end of bearing outer ring 1.By the way of the rotation of outer ring,
Load position is located between two groups of radial sliders (radial slider 51 and radial slider 52), has lesser bending load.
When installation, the wheel hub 6, bearing outer ring 1 and generator amature 7 of direct drive wind turbine are connected by bolt
It is connected to together, forms the rotary side for directly driving wind turbine.Bearing inner race 5 is connected to fixing axle 9 by bolt, is passed through
Generator unit stator 8 is connected to fixing axle 9 by bolt, is bolted and fixing axle 9 is connected to opposing stationary main pedestal 10
On, form the Stationary side for directly driving wind turbine.Wind wheel band runner hub 9 is to drive bearing outer ring 1 and generator amature 7
It is rotated around generator unit stator 8, wind energy is converted into mechanical energy and has converted the process that magnetic energy is then converted to electric energy again, realizes wind-force
The result of power generation.
The sliding base bearing transmission chain of the present embodiment can apply among wind turbine.
Embodiment 2
As shown in Figure 4 and Figure 5, present embodiment discloses a kind of sliding base bearing transmission chains, wherein the sliding of the present embodiment
Bearing outer ring 1, bearing inner race 2, end surface press plate 31 and the end surface press plate 32 of base bearing transmission chain, axial slider 41 and axial slider
42, the setting of radial slider 51 and radial slider 52 is same as Example 1, and therefore not to repeat here.
In the present embodiment, bearing inner race 2 connect 6 with generator amature 7 and wheel hub.By the way of inner ring rotation, carry
Lotus position is located at except two groups of radial sliders (radial slider 51 and radial slider 52), has biggish bending load.
As shown in Figure 4 and Figure 5, the outside of the radial direction of bearing outer ring 1 is arranged in the generator amature 7 of the present embodiment,
Bearing inner race 2 has connection lateral margin 21, and connection lateral margin 21 extends outwardly in the axial direction and in the radial direction, wherein wheel hub 6 connects
It is connected to the end face outside of connection lateral margin 21, generator amature 7 is connected to the inner side end of connection lateral margin 21.
When installation, the wheel hub 6, bearing inner race 2 and generator amature 7 of direct drive wind turbine are connected by bolt
It is connected to together, forms the rotary side for directly driving wind turbine.Generator unit stator 8 is connected to bearing outer ring 1 by bolt,
It is bolted and bearing outer ring 1 is connected on opposing stationary main pedestal 10, formation directly drives the quiet of wind turbine
Only side.Wind wheel band runner hub 6 turns wind energy to drive bearing inner race 2 and generator amature 7 to rotate around generator unit stator 8
It turns to mechanical energy and has converted the process that magnetic energy is then converted to electric energy again, realize the result of wind-power electricity generation.
The present invention has bigger bearing capacity compared to base bearing is rolled, and shock resistance is good, and stable working is reliable, improves blower
Reliability.It is easy to manufacture, the production cycle is shortened, it is low to reduce production cost.End surface press plate is detachable, axial slider and diameter
It is replaceable to sliding block, bearing long service life.Frictional force is reduced compared to the sliding bearing of 3 point contacts simultaneously to reduce calorific value
And abrasion loss.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (16)
1. a kind of sliding base bearing transmission chain, which is characterized in that the sliding base bearing transmission chain includes:
One bearing inner race and a bearing outer ring；
End surface press plate, the end surface press plate are set to the two sides of the axial direction of the bearing inner race and the bearing outer ring；
Two groups of axial sliders, the end surface press plate of two groups of axial sliders in the bearing inner race/bearing outer ring and two sides
Between quiet dynamic friction isolation and load transmission are provided；
Two groups of radial sliders, two groups of radial sliders provide quiet dynamic friction isolation between the bearing inner race and the bearing outer ring
And load transmission, two groups of radial sliders are spaced setting in the axial direction.
2. sliding base bearing transmission chain as described in claim 1, which is characterized in that every group of axial slider includes multiple axial directions
Sliding block；Each axial slider is distributed around between the bearing inner race/bearing outer ring and the end surface press plate of two sides.
3. sliding base bearing transmission chain as described in claim 1, which is characterized in that every group of radial slider includes multiple radial directions
Sliding block；Each radial slider is distributed around between the bearing inner race and the bearing outer ring.
4. sliding base bearing transmission chain as described in claim 1, which is characterized in that positioned at the quantity of the end surface press plate of the same side
It is one, the end surface press plate is around the side for extending the bearing inner race and the bearing outer ring.
5. sliding base bearing transmission chain as described in claim 1, which is characterized in that positioned at the quantity of the end surface press plate of the same side
To be multiple, each end surface press plate of the same side is around the side for being arranged in the bearing inner race and the bearing outer ring.
6. sliding base bearing transmission chain as claimed in claim 5, which is characterized in that the end surface press plate is the sheet knot of rectangle
Structure, the gap formed between the adjacent end surface press plate are less than axial slider.
7. sliding base bearing transmission chain as described in claim 1, which is characterized in that one end of the end surface press plate detachably connects
Be connected to the bearing inner race/bearing outer ring, the other end of the end surface press plate by axial slider and the bearing outer ring/
The bearing inner race realizes quiet dynamic friction isolation and load transmission.
8. sliding base bearing transmission chain as claimed in claim 7, which is characterized in that the end surface press plate passes through threaded fastener
With the bearing inner race/bearing outer ring.
9. sliding base bearing transmission chain as described in claim 1, which is characterized in that the inner side end of the end surface press plate, institute
It one of states in the end face outside of bearing outer ring and the end face outside of the bearing inner race and to be provided with pockets, it is described
Axial slider is limited in the pockets.
10. as described in claim 1 sliding base bearing transmission chain, which is characterized in that the inside circumference of the bearing outer ring with
And pockets are provided with one of in the outside circumference of the bearing inner race, the radial slider is limited in the appearance
It receives in groove.
11. sliding base bearing transmission chain as described in claim 1, which is characterized in that the bearing inner race and the bearing
At the axial slider of the two sides of outer ring in the axial direction mutually close to, and centre in the axial direction away from each other.
12. the sliding base bearing transmission chain as described in claim 1-11 any one, which is characterized in that the bearing outer ring with
Generator amature and wheel hub connection.
13. sliding base bearing transmission chain as claimed in claim 12, which is characterized in that the generator amature is arranged described
The outside of the radial direction of the end surface press plate is arranged in the outside of the radial direction of bearing outer ring, the wheel hub, wherein described
Wheel hub is connected to the end face outside of the bearing outer ring, and the generator amature is connected to the inner side end of the bearing outer ring.
14. the sliding base bearing transmission chain as described in claim 1-11 any one, which is characterized in that the bearing inner race with
Generator amature and wheel hub connection.
15. sliding base bearing transmission chain as claimed in claim 14, which is characterized in that the generator amature is arranged described
The outside of the radial direction of bearing outer ring, the bearing inner race have connection lateral margin, and the connection lateral margin is in the axial direction and diameter
Extend outwardly on direction, wherein the wheel hub is connected to the end face outside of the connection lateral margin, the generator amature connection
Inner side end in the connection lateral margin.
16. a kind of wind turbine, which is characterized in that the wind turbine includes as described in claim 1-15 any one
Sliding base bearing transmission chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623046.1A CN110360066B (en) | 2019-07-11 | 2019-07-11 | Sliding main bearing drive chain and wind turbine comprising same |
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| CN201910623046.1A CN110360066B (en) | 2019-07-11 | 2019-07-11 | Sliding main bearing drive chain and wind turbine comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810814A (en) * | 2022-04-29 | 2022-07-29 | 江苏振江新能源装备股份有限公司 | Adjustable clearance bearing |
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| CN103670948A (en) * | 2012-09-24 | 2014-03-26 | 西门子公司 | Sliding bearing and method to perform service at sliding bearing |
| EP2827012A1 (en) * | 2013-07-19 | 2015-01-21 | Siemens Aktiengesellschaft | Cooling of a bearing for a wind turbine |
| CN107246437A (en) * | 2017-06-02 | 2017-10-13 | 桂林理工大学 | A kind of integral type support component |
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| CN1145107A (en) * | 1994-02-08 | 1997-03-12 | 塑料轴承及外罩澳大利亚西亚有限公司 | Plain bearing |
| JP2007263165A (en) * | 2006-03-27 | 2007-10-11 | Ntn Corp | Fluid bearing device |
| WO2009062904A1 (en) * | 2007-11-14 | 2009-05-22 | Federal-Mogul Wiesbaden Gmbh | Thrust washer and radial/axial bearing having such a thrust washer |
| CN102588219A (en) * | 2011-01-10 | 2012-07-18 | 维斯塔斯风力***有限公司 | Plain bearing for a wind turbine blade and method of operating a wind turbine having such a plain bearing |
| CN103670948A (en) * | 2012-09-24 | 2014-03-26 | 西门子公司 | Sliding bearing and method to perform service at sliding bearing |
| EP2827012A1 (en) * | 2013-07-19 | 2015-01-21 | Siemens Aktiengesellschaft | Cooling of a bearing for a wind turbine |
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| CN110360066B (en) | 2021-03-26 |
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