CN206860376U - A kind of brake gear of Wind turbines - Google Patents
A kind of brake gear of Wind turbines Download PDFInfo
- Publication number
- CN206860376U CN206860376U CN201720496021.6U CN201720496021U CN206860376U CN 206860376 U CN206860376 U CN 206860376U CN 201720496021 U CN201720496021 U CN 201720496021U CN 206860376 U CN206860376 U CN 206860376U
- Authority
- CN
- China
- Prior art keywords
- outer barrel
- transmission shaft
- inner cylinder
- power transmission
- lower house
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of brake gear of Wind turbines, including power transmission shaft, fixed shell, friction housing and rotary cylinder；Rotary cylinder includes inner cylinder and outer barrel, the inwall of outer barrel is provided with electrodynamic repulsion device, permanent magnet is provided between the inner cylinder and outer barrel, spring is provided between permanent magnet and the inwall of outer barrel, driver plate is provided with permanent magnet, the inner cylinder is provided with slide opening, and the power transmission shaft is located in inner cylinder and sets fluted on power transmission shaft, and driver plate stretches into slide opening and is slidably matched with slide opening；The friction housing includes upper shell and lower house, and upper shell and lower house are pressed into contact with outer barrel.The present apparatus, pass through outer barrel, upper shell and the mutual friction catch of lower house, outer barrel, upper shell and lower house can use that cost is low, the simple material of technique, replacement cost is low, frictional force need not be acted directly on the high power transmission shaft of cost of manufacture, the loss rate of power transmission shaft is slow down, improves the service life of transmission, saves maintenance cost.
Description
Technical field
It the utility model is related to field of wind power equipment, and in particular to a kind of brake gear of Wind turbines.
Background technology
THE WIND ENERGY RESOURCES IN CHINA is enriched, the kW of the wind energy content that can be developed about 1,000,000,000, wherein, land wind energy content is about
2.53 hundred million kW（Land is liftoff 10m height material computations）, the marine kW of wind energy content about 7.5 hundred million that can be developed and utilized, amount to
1000000000 kW.And about 5.67 hundred million kW of 2003 end of the year whole nation electric power installation.Wind is one of energy of no public hazards.And it take no
To the greatest extent, it is nexhaustible.For water shortage, short bunker and the offshore islands having inconvenient traffic, Pastoral Areas, mountain area and plateau band, because of ground
Wind-power electricity generation is utilized to suiting measures to different conditions, is especially suitable for, is well worth doing.Offshore wind farm is the key areas of Renewable Energy Development, is to push away
Dynamic wind power technology progress and the important force of industrial upgrading, are the important measures for promoting Energy restructuring.China's wind energy on the sea
Aboundresources, accelerate offshore wind farm project construction, administer atmospheric haze for promotion coastal area, readjust the energy structure and change
Economic Development Mode is significant.
The principle of wind-power electricity generation, it is to drive air vane rotation using wind-force, blade drives drive axis, then passes through increasing
Fast machine lifts the speed of rotation, to promote electrical power generators.It is more and more extensive with the utilization of wind power new energy, to wind turbine
Also more and more higher, protection are also more and more stricter for the requirement of group.Especially when there are the severe operating conditions such as storm, it is necessary to wind
Group of motors emergency shutdown, when paddle change system of wind turbines normally can not become oar, it is necessary to which the brake system of Wind turbines is carried out
Emergency brake, avoid damaging generating set.Existing brake gear by its frictional force brakes between power transmission shaft,
Abrasion to power transmission shaft is larger so that the life-span of power transmission shaft is shorter, it is necessary to often change, and maintenance cost is high.
Utility model content
The purpose of this utility model is to provide a kind of brake gear of Wind turbines, can avoid power transmission shaft directly by
Friction, the service life of power transmission shaft is improved, reduce maintenance cost, and there is good braking effect.
What the purpose of this utility model was realized in：A kind of brake gear of Wind turbines, including power transmission shaft and brake
Component, the brake assemblies include fixed shell, friction housing and rotary cylinder；The rotary cylinder includes inner cylinder and outer barrel, described
Spacing is provided between inner cylinder and outer barrel and inner cylinder is connected with outer barrel by the connecting plate of axial direction, the inwall of the outer barrel is provided with
Electrodynamic repulsion device, be provided between the inner cylinder and outer barrel with electrodynamic repulsion device coordinate permanent magnet, the permanent magnet with
Spring is provided between the inwall of outer barrel, driver plate is provided with the permanent magnet, the side wall of the inner cylinder is provided with slide opening, institute
Power transmission shaft is stated to be located in inner cylinder and be provided with the groove with slide opening position correspondence on power transmission shaft, the driver plate stretch into slide opening and with
Slide opening is slidably matched, and driver plate can pass through slide opening and stretch into groove；The friction housing includes upper shell and lower house,
The cross section of the upper shell and lower house is semi-circular shape, and the upper shell and lower house are fixedly installed in fixed shell
And be pressed into contact with the outer surface of outer barrel, the inner surface of the outer surface of the outer barrel, upper shell inner surface and lower house is to rub
Wiping face.
Further, the fixed shell includes the first housing and the second housing being detachably connected, first housing
With multiple screwed holes are provided with the second housing, inwall is provided with more alignment pins, is provided with the upper shell and lower house
Multiple positioning holes, the alignment pin pass through positioning hole, and screw rod, the screw rod and upper shell and lower casing are provided with the screwed hole
Body is pressed into contact with.
Further, the electrodynamic repulsion device includes electromagnet, and the electromagnet passes through wire and external dc power
It is connected, switch is provided with the wire.
Further, four sides of the permanent magnet are provided with baffle plate, and the permanent magnet coordinates with barrier slides.
Further, the bottom surface of the driver plate is the arc with power transmission shaft surface engagement.
The beneficial effects of the utility model are：When needing brake, start electrodynamic repulsion device, after electrodynamic repulsion device is powered
The magnetic fields produced between magnetic field, with permanent magnet produce mutually exclusive active force, promote permanent magnet towards the direction of inner cylinder
Motion, driver plate under the promotion of permanent magnet through inner cylinder slide opening and be in contact with power transmission shaft, with the rotation of power transmission shaft, when
During concave slot sports to driver plate position, driver plate enters groove, and power transmission shaft is rotated further, and driver plate plays driving torque
Effect, inner cylinder and outer barrel is driven to rotate, because the inner surface of the outer surface of outer barrel, upper shell inner surface and lower house is friction
Face, coefficient of friction is big, and outer barrel produces larger force of sliding friction when rotating so that active rotating speed reduces, and finally stops.Need
When restarting fan blade, power down process is carried out to electrodynamic repulsion device, magnetic field disappears, and permanent magnet is multiple under the action of the spring
Position.The present apparatus, by outer barrel, upper shell and the mutual friction catch of lower house, outer barrel, upper shell and lower house can use
The materials such as cost is low, the simple metal of technique, plastics, rubber, replacement cost is low, and frictional force need not act directly on technique and answer
On power transmission shaft miscellaneous, precision is high, cost of manufacture is high, the loss rate of power transmission shaft is slow down, improves the service life of transmission, is reduced
The replacement frequency of power transmission shaft, save maintenance cost.
Brief description of the drawings
Fig. 1 is main view schematic cross-sectional view of the present utility model.
Fig. 2 is diagrammatic side-view cross-sectional schematic diagram of the present utility model.
Reference：1-power transmission shaft；2-fixed shell；3-friction housing；4-rotary cylinder；5-inner cylinder；6-outer barrel；
7-connecting plate；8-permanent magnet；9-spring；10-driver plate；11-upper shell；12-lower house；13-the first housing；
14-the second housing；15-alignment pin；16-screw rod；17-electromagnet；18-groove；19-baffle plate.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the brake gear of a kind of Wind turbines of the present utility model, including power transmission shaft 1 and brake group
Part,
The brake assemblies include fixed shell 2, friction housing 3 and rotary cylinder 4；
The rotary cylinder 4 includes inner cylinder 5 and outer barrel 6, be provided between the inner cylinder 5 and outer barrel 6 spacing and inner cylinder 5 with it is outer
Cylinder 6 is connected by the connecting plate 7 of axial direction, and the inwall of the outer barrel 6 is provided with electrodynamic repulsion device, the inner cylinder 5 and outer barrel 6 it
Between be provided with the permanent magnet 8 coordinated with electrodynamic repulsion device, be provided with spring 9 between the inwall of the permanent magnet 8 and outer barrel 6,
Driver plate 10 is provided with the permanent magnet 8, the side wall of the inner cylinder 5 is provided with slide opening, and the power transmission shaft 1 is located in inner cylinder 5
And be provided with power transmission shaft 1 and stretch into slide opening with the groove of slide opening position correspondence 18, the driver plate 10 and be slidably matched with slide opening,
And driver plate 10 can pass through slide opening and stretch into groove 18；
The friction housing 3 includes upper shell 11 and lower house 12, and the cross section of the upper shell 11 and lower house 12 is equal
For semi-circular shape, the upper shell 11 and lower house 12 are fixedly installed in fixed shell 2 and connect with the outer surface compression of outer barrel 6
Touch, the inner surface of the outer surface of the outer barrel 6, the inner surface of upper shell 11 and lower house 12 is rubbing surface.
Power transmission shaft 1 uses prior art, can be installed on by bearing in inner cylinder 5, not interfere with the normal of power transmission shaft 1 usually
Rotate.Fixed shell 2 is fixedly mounted in the tower of blower fan, friction housing 3 and outer barrel 6 can use metal, rubber, plastics etc. into
This is low, wear-resistant and the material with higher coefficient of friction, and inner cylinder 5 uses metal material, to ensure transmission performance.Connecting plate 7
It is detachably connected with outer barrel 6, after outer barrel 6 wears, in order to the outer barrel 6 more renewed.After electrodynamic repulsion device should meet energization
Caused magnetic field and the magnetic fields of permanent magnet 8 produce repulsive force.During running of wind generating set, running into special circumstances needs
When braking, start electrodynamic repulsion device, electrodynamic repulsion device produces magnetic field after being powered, with the magnetic fields between permanent magnet 8
Mutually exclusive active force is produced, promotes permanent magnet 8 to be moved towards the direction of inner cylinder 5, driver plate 10 is under the promotion of permanent magnet 8
Through inner cylinder 5 slide opening and be in contact with power transmission shaft 1, with the rotation of power transmission shaft 1, where groove 18 moves to driver plate 10
During position, driver plate 10 enters groove 18, and power transmission shaft 1 is rotated further, and driver plate 10 plays a part of driving torque, drives inner cylinder
5 and outer barrel 6 rotate, because the inner surface of the outer surface of outer barrel 6, the inner surface of upper shell 11 and lower house 12 is rubbing surface, rub
It is big to wipe coefficient, outer barrel 6 produces larger force of sliding friction when rotating so that the rotating speed of driving shaft 1 reduces, and finally stops.Need weight
During new startup fan blade, power down process is carried out to electrodynamic repulsion device, magnetic field disappears, and permanent magnet 8 is multiple in the presence of spring 9
Position.The present apparatus, pass through outer barrel 6, upper shell 11 and the mutual friction catch of lower house 12, outer barrel 6, upper shell 11 and lower casing
Body 12 can use the materials such as low cost, the simple metal of technique, plastics, rubber, and replacement cost is low, and frictional force need not directly be made
With on complex process, the power transmission shaft 1 that precision is high, cost of manufacture is high, the loss rate of power transmission shaft 1 is slow down, improves transmission
Service life, the replacement frequency of power transmission shaft 1 is reduced, save maintenance cost.
The fixed shell 2 includes the first housing 13 and the second housing 14 being detachably connected, the He of the first housing 13
It is provided with multiple screwed holes on second housing 14, inwall is provided with more alignment pins 15, on the upper shell 11 and lower house 12
Multiple positioning holes are provided with, the alignment pin 15 is slidably matched through positioning hole and with positioning hole, is provided with the screwed hole
Screw rod 16, the screw rod 16 are pressed into contact with upper shell 11, screw rod 16 and lower house 12.By rotary screw 16, spiral shell can adjust
Thrust between bar 16 and upper shell 11 and lower house 12, so as to adjust the size of frictional force, control braking time.
Further, the electrodynamic repulsion device includes electromagnet 17, and the electromagnet 17 passes through wire and external dc
Power supply is connected, and switch is provided with the wire.
In order to play guide effect, the direction of motion of permanent magnet 8 is avoided to change, four sides of the permanent magnet 8 are set
Baffle plate 19 is equipped with, the permanent magnet 8 is slidably matched with baffle plate 19.
Friction can be produced when driver plate 10 contacts with power transmission shaft 1, in order to avoid driver plate 10 causes to damage to power transmission shaft 1
Wound, the bottom surface of the driver plate 10 is the arc with the surface engagement of power transmission shaft 1.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of brake gear of Wind turbines, including power transmission shaft（1）And brake assemblies, it is characterised in that：The brake assemblies
Including fixed shell（2）, friction housing（3）And rotary cylinder（4）；The rotary cylinder（4）Including inner cylinder（5）And outer barrel（6）, it is described
Inner cylinder（5）With outer barrel（6）Between be provided with spacing and inner cylinder（5）With outer barrel（6）Pass through the connecting plate of axial direction（7）It is connected, it is described
Outer barrel（6）Inwall be provided with electrodynamic repulsion device, the inner cylinder（5）With outer barrel（6）Between be provided with and electrodynamic repulsion device
The permanent magnet of cooperation（8）, the permanent magnet（8）With outer barrel（6）Inwall between be provided with spring（9）, the permanent magnet（8）On
It is provided with driver plate（10）, the inner cylinder（5）Side wall be provided with slide opening, the power transmission shaft（1）Positioned at inner cylinder（5）Interior and transmission
Axle（1）On be provided with groove with slide opening position correspondence（18）, the driver plate（10）Stretch into slide opening and be slidably matched with slide opening,
And driver plate（10）Slide opening can be passed through and stretch into groove（18）It is interior；The friction housing（3）Including upper shell（11）And lower casing
Body（12）, the upper shell（11）And lower house（12）Cross section be semi-circular shape, the upper shell（11）And lower house
（12）It is fixedly installed in fixed shell（2）Interior and and outer barrel（6）Outer surface be pressed into contact with, the outer barrel（6）Outer surface, on
Housing（11）Inner surface and lower house（12）Inner surface be rubbing surface.
A kind of 2. brake gear of Wind turbines according to claim 1, it is characterised in that：The fixed shell（2）Bag
Include the first housing being detachably connected（13）With the second housing（14）, first housing（13）With the second housing（14）Upper setting
There are multiple screwed holes, inwall is provided with more alignment pins（15）, the upper shell（11）And lower house（12）On be provided with it is multiple
Positioning hole, the alignment pin（15）It is slidably matched through positioning hole and with positioning hole, screw rod is provided with the screwed hole（16）,
The screw rod（16）With upper shell（11）, screw rod（16）With lower house（12）It is pressed into contact with.
A kind of 3. brake gear of Wind turbines according to claim 1, it is characterised in that：The electrodynamic repulsion device bag
Include electromagnet（17）, the electromagnet（17）It is connected by wire with external dc power, switch is provided with the wire.
A kind of 4. brake gear of Wind turbines according to claim 1, it is characterised in that：The permanent magnet（8）Four
Individual side is provided with baffle plate（19）, the permanent magnet（8）With baffle plate（19）It is slidably matched.
A kind of 5. brake gear of Wind turbines according to claim 1, it is characterised in that：The driver plate（10）Bottom
Face is and power transmission shaft（1）The arc of surface engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720496021.6U CN206860376U (en) | 2017-05-06 | 2017-05-06 | A kind of brake gear of Wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720496021.6U CN206860376U (en) | 2017-05-06 | 2017-05-06 | A kind of brake gear of Wind turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206860376U true CN206860376U (en) | 2018-01-09 |
Family
ID=60822466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720496021.6U Expired - Fee Related CN206860376U (en) | 2017-05-06 | 2017-05-06 | A kind of brake gear of Wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206860376U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644065A (en) * | 2018-04-17 | 2018-10-12 | 深圳市奈士迪技术研发有限公司 | A kind of safe and reliable type wind power plant based on Internet of Things |
| CN109653953A (en) * | 2018-12-26 | 2019-04-19 | 李善祥 | A kind of novel artificial intelligent wind power power generator |
| CN116950847A (en) * | 2023-09-19 | 2023-10-27 | 华能山西综合能源有限责任公司 | Multi-blade wind driven generator |
-
2017
- 2017-05-06 CN CN201720496021.6U patent/CN206860376U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644065A (en) * | 2018-04-17 | 2018-10-12 | 深圳市奈士迪技术研发有限公司 | A kind of safe and reliable type wind power plant based on Internet of Things |
| CN108644065B (en) * | 2018-04-17 | 2019-11-05 | 江苏昊诚电气科技有限公司 | A kind of safe and reliable type wind power plant based on Internet of Things |
| CN109653953A (en) * | 2018-12-26 | 2019-04-19 | 李善祥 | A kind of novel artificial intelligent wind power power generator |
| CN116950847A (en) * | 2023-09-19 | 2023-10-27 | 华能山西综合能源有限责任公司 | Multi-blade wind driven generator |
| CN116950847B (en) * | 2023-09-19 | 2024-02-20 | 华能山西综合能源有限责任公司 | Multi-blade wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |