CN109595273A - It is a kind of that the friction plate clamping force device of buffering is provided - Google Patents
It is a kind of that the friction plate clamping force device of buffering is provided Download PDFInfo
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- CN109595273A CN109595273A CN201811624416.5A CN201811624416A CN109595273A CN 109595273 A CN109595273 A CN 109595273A CN 201811624416 A CN201811624416 A CN 201811624416A CN 109595273 A CN109595273 A CN 109595273A
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- friction plate
- brake disc
- spring
- bolt
- cylinder body
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
- F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
- F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0244—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/42—Slack adjusters mechanical non-automatic
- F16D65/46—Slack adjusters mechanical non-automatic with screw-thread and nut
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
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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
Abstract
It include friction plate assembly, brake disc and rack the invention discloses a kind of friction plate clamping force device for providing buffering, friction plate assembly is mounted on the rack, friction plate assembly is in contact with an end face of brake disc, contacts the frictional force brakes generated when braking disc spins with friction plate assembly by itself.Brake disc is exactly the brake disc of the off-course brake of wind power generating set, the friction plate assembly being fixed in rack is in contact and holds out against with brake disc, frictional force between friction plate assembly and brake disc is exactly the damping due to rotation of brake disc, prolonged mechanical brake force can be provided, it is more reliable and more stable compared to traditional hydraulic braking, maintenance cycle of the present invention is long, it can be adjusted to different brake force according to demand, device carries buffer function simultaneously, it eliminates because of vibration, external force or the impact of some other factor brings, avoid friction plate and brake disc that heel and toe wear even structural failure occurs, friction plate is only needed replacing when maintenance, it is easy to maintenance and economical.
Description
Technical field
It is specifically a kind of that the friction plate clamping force device of buffering is provided the present invention relates to wind power generation field.
Background technique
Wind power generating set is often made of yaw system, braking system, generator system etc., and the fan blade of power generation is mounted on
The outside of wind power generating set, is directed at wind direction, and wind drives fan blade rotation, generator system power generation is driven after fan blade rotation.
The wind wind direction of the Nature constantly changes, so needing yaw system to make the fan blade of wind power generating set be directed at wind
To, be usually made of weathercock, controller etc., weathercock detect wind direction, controller control other component make wind power generating set
Fan blade turns to.
Traditionally the braking system of wind power generating set uses the active hydraulic yaw brake of wind-powered electricity generation, this is a kind of dependence
The normally closed brake of hydraulic-driven, at multipair use in wind power generating set, according to the difference of type, have 4 using number~
15 are differed, to realize that blower rotates yaw and the demand untied the mooring rope, wind power generating set throughout world are stopped and yawed in yaw
Various regions, and off-course brake is installed in the cabin in tens meters or even up to a hundred meters high-altitudes of Wind turbines, examination and maintenance are relatively more tired
Difficulty is frequently encountered because inordinate wear or even the friction material abrasion of friction plate friction material finish, and friction plate is in hydraulic masterpiece
Continue to brake to brake disc direction under, friction plate steel back and yaw system brake disc, so that contact wear injures braking
Disk, it is prolonged to brake, cause brake disc impaired serious, cisco unity malfunction need to carry out maintenance to impaired brake disc.Maintenance
When: it needs to shut down during 1. maintenances, influences power benefit, maintenance is costly, serious waste man power and material；2. if braking
Mill damage is serious, needs replacing brake disc, this loss will be huge, and expense is from tens of thousands of to up to a million.Friction plate is such as controlled because of transition
Wear and injure brake disc be in current weight among.Mode was to increase friction plate detection spy on every brake in the past
Bar, but the method needs artificially to carry out to check and can find, the cost is relatively high, and manpower is needed to cooperate.
Traditional mechanical grip sliding bearing is without buffer unit, when blower is in mountain area environment, due to mountain area wind direction
And there are vortex phenomenons for wind speed, and fan engine room is caused to generate tilting moment, directly can generate stress to one of sliding bearing
It concentrates, these impact forces directly result in friction plate and crushed by impact when serious, fan operation and maintenance bring heavy losses.
Summary of the invention
It is in the prior art to solve the purpose of the present invention is to provide a kind of friction plate clamping force device for providing and buffering
Problem.
To achieve the above object, the invention provides the following technical scheme:
It is a kind of provide buffering friction plate clamping force device include friction plate assembly, brake disc and rack, friction plate assembly
It is mounted on the rack, friction plate assembly is in contact with an end face of brake disc, passes through itself and friction plate when braking disc spins
Component touch and the frictional force brakes generated.
Brake disc is exactly the brake disc of the off-course brake of wind power generating set, be fixed on friction plate assembly in rack with
Brake disc is in contact and holds out against, and the frictional force between friction plate assembly and brake disc is exactly the damping due to rotation of brake disc, Ke Yiti
It is more reliable and more stable compared to traditional hydraulic braking for prolonged mechanical brake force.
Further, friction plate assembly include friction plate, friction plate backboard, elastic parts, cylinder body, guide rod, locking nut,
Adjust bolt and installation bolt；Cylinder body is that bar shaped is blocky, and the cross section of cylinder body is square, and the bottom surface on inner concave right angle side is right angle
The side of bottom surface, inner concave right angle side is right-angled side faces, and right angle bottom surface is located at the lower section of the excircle bottom surface of brake disc, right-angled side faces
It is facing with the circumference side of brake disc, several vertical stepped holes are equipped between right angle bottom surface and the bottom surface of cylinder body, cylinder body passes through
Bolt is installed to be fixed in rack, cylinder body lower end surface is equipped with locking nut, and locking nut is located at the lower section of stepped hole, adjusts spiral shell
Bolt screws in locking nut from the bottom up and protrudes into stepped hole, and guide rod is a cylindrical bar with step cutting pattern, and guide rod is arranged in rank
In terraced hole, the axis of guide rod is overlapped with the axis of stepped hole, and guide rod bottom surface is in contact with the screw thread g. slice header for adjusting bolt, guide rod
Top is equipped with elastic parts, and friction plate backboard is a round plate, and friction plate backboard is arranged in cylinder body, positioned at the top of stepped hole
Portion, friction plate backboard upper surface are fixed with friction plate, and friction plate backboard lower end surface is in contact with elastic parts, the upper end of friction plate
Face is in contact with the lower end surface of brake disc.
Cylinder body is fixed in rack by installation bolt, and connection is reliable and installing and dismounting is easy.Cylinder body one side is set
Locking nut can adjust the bolt screw-in intracorporal depth of cylinder in order to adjust, when the intracorporal stepped hole hole of cylinder does not process screw thread
When, locking nut is fixed on cylinder body by modes such as welding, can provide the thread segment screwed, and conduct to adjust bolt
The nut of standard component is easily obtained, and device processing manufactures, is easy to maintenance, when the intracorporal stepped hole of cylinder is threaded, locking
Nut and the intracorporal screw thread of cylinder with the threaded engagement that adjusts bolt, can play the role of double thread locking in this way, greatly mention jointly
Such screw thread proportion can be used for vibrating larger or more accurate occasion in high bolt spiral self-locking performance.Adjust bolt
Friction plate, friction plate backboard, elastic parts, guide rod are held out against to brake disc, friction is generated between friction plate and brake disc, this
Stopping power when frictional force is moved as brake disc, the elastic parts between friction plate backboard and guide rod can provide certain delay
Punching effect, unit vibration it is larger or abruptly brake disc impact when, one section can be made a concession with the friction plate of brake disc
Distance prevents frictional force excessive and generates heel and toe wear to protect brake disc and friction plate.Spiral shell can be adjusted by rotation
Bolt controls the frictional force between friction plate and brake disc, and by mechanical knowledge it is found that f=Fz*k, f is friction plate and braking in formula
Frictional force between disk, normal pressure of the Fz between friction plate and brake disc, friction system of the k between friction plate and brake disc
Number, the coefficient of friction between friction plate and brake disc is different according to factors such as material and surface roughnesses, but for not considering
In the case that short time wears, it is believed that the coefficient of friction one between the friction plate and brake disc of the present apparatus installed
Fixed, rotation adjusts the normal pressure between the adjustable friction plate of bolt and brake disc, adjusts bolt and screws in deeper, elastic parts
Compressed bigger, the normal pressure between friction plate and brake disc is also bigger, the frictional force between friction plate and brake disc
It is bigger.
As optimization, adjusts and be also reserved with 1~4 after the installation is completed in the present apparatus between the bolt head of bolt and locking nut
The distance of times Major Diam.It is selected according to the adjustable range of the pretightning force between device size and the friction plate and brake disc of needs
It is suitable to adjust bolt length, allow adjusting bolt not expose too much under the premise of may remain in device service performance in this way
And it is in the way or seems lofty.
As optimization, the surface of friction plate is equipped with several pits.When the friction plate and brake disc friction immobilisation of whole plane
Be easy to produce a large amount of heat, several pit bottoms of Friction Disk Surface setting not with brake disc, so the hair that will not rub
Heat, the friction plate sheet body in this region can absorb and conduct the heat come with the friction plate sheet body of brake disc around a part of
Amount, to reduce the mean temperature of friction plate entirety, in addition, some dust granule engaging friction pieces of braking side surface adherency and
Contact surface between brake disc is easy to scratch friction plate, and the pit of Friction Disk Surface can accommodate these dust granules etc..
As optimization, friction plate is resin-based materials friction plate.Necessarily there is a meeting between friction plate and brake disc
Abrasion, the friction plate of resin-based materials is softer, and what is worn in this way is exactly friction plate, just only need when maintenance wind power generating set
Will more renewal of facing renewal without repairing or replacing brake disc, greatly improve economy；Meanwhile the friction plate of resin-based materials rubs
It is higher to wipe coefficient, can satisfy the demand of service performance.
As optimization, elastic parts uses butterfly spring.Butterfly spring multiple can be used in series at circular cone plate-like,
The either statically or dynamically load along axial action is born at upper inner edge and lower outer rim, is deformed after being compressed, until being driven plain, dish
Shape spring stress distribution is uniformly successively decreased from inside to outside, can be realized the effect of the high balancing force of low row journey.Disk spring has than general
The better contact stabilization of spring of logical circular cross-section, axial force apply more uniform, and elastic parts uses butterfly spring can
To allow friction plate to be pre-tightened normal pressure by uniform, friction plate concentrated wear will not be caused acute because of the uneven of pretightning force
It is strong.
Elastic parts includes the first spring and second spring, and second spring is located at the first spring inner ring, and second spring is than the
One spring is short, and the coefficient of elasticity of second spring is higher than the first spring.The design of two groups of springs is in order to which friction plate is different pre-
There is different buffering deformabilitys, when small pretightning force, the first low spring of coefficient of elasticity connects with friction plate backboard under clamp force occasion
Touching, elastic parts carries out buffering behavior when device slight vibration, and when big pretightning force, friction plate backboard and two springs are all connect
Touching, elastic parts just will do it buffering behavior when device is by violent disturbance.
Compared with prior art, the beneficial effects of the present invention are: the present invention is brake, reliable and stable, dimension is braked
Repair that the period is long, adjustable different brake force, while device carries buffer function, eliminate because vibration, external force or it is some its
The impact of his factor bring avoids friction plate and brake disc from occurring heel and toe wear even structural failure, and when maintenance only needs more
Renewal of facing renewal, it is easy to maintenance and economical.
Detailed description of the invention
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
Fig. 1 is main view of the invention；
Fig. 2 is the view A-A in Fig. 1；
Fig. 3 is the schematic diagram of friction plate of the present invention；
Fig. 4 is the structural schematic diagram of friction plate backboard of the present invention, elastic parts, cylinder body；
Fig. 5 is the schematic diagram of elastic parts of the present invention；
Fig. 6 is top view of the invention；
Fig. 7 is the sectional view of cylinder body of the present invention.
In figure: 1- friction plate assembly, 11- friction plate, 111- pit, 12- friction plate backboard, 13- elastic parts, 131-
One spring, 132- second spring, 14- cylinder body, the right angle 141- bottom surface, 142- right-angled side faces, 143- stepped hole, 15- guide rod, 16-
Locking nut, 17- adjust bolt, 18- installs bolt, 2- brake disc, 3- rack.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of friction plate clamping force device for providing buffering includes friction plate assembly 1, brake disc 2 and rack
3, friction plate assembly 1 is mounted in rack 3, and friction plate assembly 1 is in contact with an end face of brake disc 2, when brake disc 2 rotates
The frictional force brakes generated are contacted with friction plate assembly 1 by itself.
Brake disc 2 is exactly the brake disc of the off-course brake of wind power generating set, the friction plate assembly being fixed in rack 3
1 is in contact and holds out against with brake disc 2, and the frictional force between friction plate assembly 1 and brake disc 2 is exactly the damping due to rotation of brake disc 2,
Prolonged mechanical brake force can be provided, it is more reliable and more stable compared to traditional hydraulic braking.
As shown in Fig. 2, Fig. 6, Fig. 7, friction plate assembly 1 includes friction plate 11, friction plate backboard 12, elastic parts 13, cylinder
Body 14, locking nut 16, adjusts bolt 17 and installation bolt 18 at guide rod 15；Cylinder body 14 is that bar shaped is blocky, the cross section of cylinder body 14
For square, the bottom surface on inner concave right angle side is right angle bottom surface 141, and the side on inner concave right angle side is right-angled side faces 142, right angle bottom surface
141 are located at the lower section of the excircle bottom surface of brake disc 2, and right-angled side faces 142 and the circumference side of brake disc 2 are facing, right angle bottom
Several vertical stepped holes 143 are equipped between face 141 and the bottom surface of cylinder body 14, cylinder body 14 is fixed to rack 3 by installation bolt 18
On, 14 lower end surface of cylinder body is equipped with locking nut 16, and locking nut 16 is located at the lower section of stepped hole 143, adjusts bolt 17 under
It up screws in locking nut 16 and protrudes into stepped hole 143, guide rod 15 is a cylindrical bar with step cutting pattern, and the setting of guide rod 15 exists
In stepped hole 143, the axis of guide rod 15 is overlapped with the axis of stepped hole 143,15 bottom surface of guide rod and the thread segment for adjusting bolt 17
Head is in contact, and elastic parts 13 is equipped with above guide rod 15, and friction plate backboard 12 is a round plate, and friction plate backboard 12 is arranged
In cylinder body 14, positioned at the top of stepped hole 143,12 upper surface of friction plate backboard is fixed with friction plate 11, friction plate backboard 12
Lower end surface is in contact with elastic parts 13, and the upper surface of friction plate 11 is in contact with the lower end surface of brake disc 2.
Cylinder body 14 is fixed in rack 3 by installation bolt 18, and connection is reliable and installing and dismounting is easy.It is arranged in cylinder body 14
Locking nut 16 on one side can be in order to adjust the depth for adjusting bolt 17 and screwing in cylinder body 14, when the through-hole in cylinder body 14 does not have
When processing screw thread, locking nut 16 is fixed on cylinder body 14 by modes such as welding, can be adjusted bolt 17 and is provided and screws
Thread segment, and the nut as standard component is easily obtained, and device processing manufactures, is easy to maintenance, when the through-hole in cylinder body 14 adds
When work has screw thread, screw thread in locking nut 16 and cylinder body 14 with the threaded engagement that adjusts bolt 17, can play so jointly
Double thread locking effect, is greatly improved bolt spiral self-locking performance, and the occasion for vibrating larger or more accurate can be used
Such screw thread proportion.Bolt 17 is adjusted to push up friction plate 11, friction plate backboard 12, elastic parts 13, guide rod 15 to brake disc 2
Tightly, friction, stopping power when this frictional force is moved as brake disc 2, friction plate back are generated between friction plate 11 and brake disc 2
Elastic parts 13 between plate 12 and guide rod 15 can provide certain buffer function, larger or abruptly make in unit vibration
When Moving plate 2 impacts, the friction plate 11 contact with brake disc 2 can make a concession a distance to protect brake disc 2 and friction plate 11,
Prevent that frictional force is excessive and generates heel and toe wear.Bolt 17 can be adjusted by rotation to control friction plate 11 and brake disc 2
Between frictional force: rotation adjusts the normal pressure between the adjustable friction plate 11 of bolt 17 and brake disc 2, adjusts bolt 17 and revolves
Enter deeper, elastic parts 13 is compressed bigger, and the normal pressure between friction plate 11 and brake disc 2 is also bigger, friction plate
Frictional force between 11 and brake disc 2 is also bigger.
As shown in Fig. 2, adjusting also reserved after the installation is completed in the present apparatus between the bolt head and locking nut 16 of bolt 17
There is the distance of 1~4 times of Major Diam.According to the pretightning force between device entirety size and the friction plate 11 and brake disc 2 of needs
Adjustable range selection it is suitable adjust 17 length of bolt, allow adjusting under the premise of may remain in device service performance in this way
Bolt 17 will not expose too many and be in the way or seem lofty.
As shown in figure 3, the surface of friction plate 11 is equipped with several pits 111.The friction plate and brake disc 2 of whole plane rub
A large amount of heat is easy to produce when stop, 111 bottom of several pits of 11 surface of friction plate setting is not contacted with brake disc 2, institute
With will not frictional heating, 11 sheet body of friction plate in this region can absorb the friction plate contacted around a part of with brake disc 2
11 sheet bodies conduct the heat come, so that the whole mean temperature of friction plate 11 is reduced, in addition, the one of the adherency of 2 end face of brake disc
Contact surface between a little dust granule engaging friction pieces 11 and brake disc 2 is easy to scratch friction plate, the pit on 11 surface of friction plate
111 can accommodate these dust granules etc..
Friction plate 11 is resin-based materials friction plate.Necessarily there is a meeting to wear between friction plate 11 and brake disc 2,
The friction plate 11 of resin-based materials is softer, and what is worn in this way is exactly friction plate 11, and when maintenance wind power generating set just only needs
More economy is greatly improved without repairing or replacing brake disc 2 by renewal of facing renewal 11；Meanwhile the friction of resin-based materials
11 coefficient of friction of piece is higher, can satisfy the demand of service performance.
As shown in Figure 4, Figure 5, elastic parts 13 uses butterfly spring.Butterfly spring multiple can connect at circular cone plate-like
It uses, the either statically or dynamically load along axial action is born at upper inner edge and lower outer rim, is deformed after being compressed, until quilt
It flattens, disk spring stress distribution is uniformly successively decreased from inside to outside, can be realized the effect of the high balancing force of low row journey.Disk spring tool
There is a contact stabilization more better than the spring in typical circular section, axial force applies more uniform, and elastic parts 13 uses butterfly
Shape spring can allow friction plate 11 to be pre-tightened normal pressure by uniform, will not lead to friction plate 11 because of the uneven of pretightning force
Concentrated wear is violent.
As shown in figure 5, elastic parts 13 includes the first spring 13 and second spring 132, second spring 132 is located at the first bullet
131 inner ring of spring, 132 to the first spring 131 of second spring is short, and the coefficient of elasticity of second spring 132 is higher than the first spring 131.Two
The design of group spring is that have different buffering deformabilitys, small pretightning force under different pretightning force occasions for friction plate 11
When, the first low spring 131 of coefficient of elasticity is contacted with friction plate backboard 12, and elastic parts 13 is delayed when device slight vibration
Rush behavior, when big pretightning force, friction plate backboard 12 is all contacted with two springs, and elastic parts 13 is just when device is by severe impact
It will do it buffering behavior.
When using the present apparatus, friction plate assembly 1 is installed in rack 3 by installing bolt 18, when brake disc 2 rotates,
Friction plate 11 is in contact with an end face of brake disc 2 always, adjusts the screw-in of bolt 17 for friction plate 11 and holds out against brake disc 2
On, brake disc 2 rotate when will because of the stop motion by frictional force, adjust bolt 17 screw in different depth, brake disc 2 by
The frictional force arrived is different, and when device or system is impacted, elastic parts 13 provides certain pooling feature.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of provide the friction plate clamping force device of buffering, it is characterised in that；A kind of friction plate providing buffering clamps
Power device includes friction plate assembly (1), brake disc (2) and rack (3), and the friction plate assembly (1) is mounted on rack (3),
Friction plate assembly (1) is in contact with an end face of brake disc (2), passes through itself and friction plate when the brake disc (2) rotates
The frictional force brakes of component (1) contact and generation.
2. a kind of friction plate clamping force device of offer buffering according to claim 1, it is characterised in that: the friction plate
Component (1) includes friction plate (11), friction plate backboard (12), elastic parts (13), cylinder body (14), guide rod (15), locking nut
(16), bolt (17) and installation bolt (18) are adjusted；The cylinder body (14) is that bar shaped is blocky, and the cross section of cylinder body (14) is right angle
Shape, the bottom surface on inner concave right angle side are right angle bottom surface (141), and the side on inner concave right angle side is right-angled side faces (142), the right angle bottom
Face (141) is located at the lower section of the excircle bottom surface of brake disc (2), the circumference side of the right-angled side faces (142) and brake disc (2)
It is facing, several vertical stepped holes (143), the cylinder body are equipped between the right angle bottom surface (141) and the bottom surface of cylinder body (14)
(14) it is fixed on rack (3) by installation bolt (18), cylinder body (14) lower end surface is equipped with locking nut (16), described
Locking nut (16) is located at the lower section of stepped hole (143), and the adjusting bolt (17) screws in locking nut (16) simultaneously from the bottom up
It protrudes into stepped hole (143), the guide rod (15) is a cylindrical bar with step cutting pattern, and guide rod (15) is arranged in stepped hole
(143) in, the axis of guide rod (15) is overlapped with the axis of stepped hole (143), guide rod (15) bottom surface and the spiral shell for adjusting bolt (17)
Line g. slice header is in contact, and is equipped with the elastic parts (13) above guide rod (15), and the friction plate backboard (12) is a circular flat
Plate, friction plate backboard (12) setting are located at the top of stepped hole (143), friction plate backboard (12) upper surface in cylinder body (14)
It is fixed with the friction plate (11), friction plate backboard (12) lower end surface is in contact with elastic parts (13), the friction plate (11)
Upper surface be in contact with the lower end surface of brake disc (2).
3. a kind of friction plate clamping force device of offer buffering according to claim 2, it is characterised in that: the adjusting spiral shell
It is also reserved with 1~4 times of adjusting bolt (17) after the installation is completed in the present apparatus between the bolt head and locking nut (16) of bolt (17)
The distance of Major Diam.
4. a kind of friction plate clamping force device of offer buffering according to claim 3, it is characterised in that: the friction plate
(11) surface is equipped with several pits (111).
5. a kind of friction plate clamping force device of offer buffering according to claim 4, it is characterised in that: the friction plate
It (11) is resin-based materials friction plate.
6. a kind of friction plate clamping force device of offer buffering according to claim 3, it is characterised in that: the elasticity group
Part (13) is butterfly spring.
7. a kind of friction plate clamping force device of offer buffering according to claim 6, it is characterised in that: the elasticity group
Part (13) includes the first spring (13) and second spring (132), and the second spring (132) is located at the first spring (131) inner ring,
Second spring (132) is shorter than the first spring (131), and the coefficient of elasticity of second spring (132) is than the first spring (131) height.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811624416.5A CN109595273A (en) | 2018-12-28 | 2018-12-28 | It is a kind of that the friction plate clamping force device of buffering is provided |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811624416.5A CN109595273A (en) | 2018-12-28 | 2018-12-28 | It is a kind of that the friction plate clamping force device of buffering is provided |
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| CN109595273A true CN109595273A (en) | 2019-04-09 |
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ID=65964598
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| CN201811624416.5A Pending CN109595273A (en) | 2018-12-28 | 2018-12-28 | It is a kind of that the friction plate clamping force device of buffering is provided |
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