CN202926925U - Electromagnetic power-losing brake device for wind power - Google Patents
Electromagnetic power-losing brake device for wind power Download PDFInfo
- Publication number
- CN202926925U CN202926925U CN 201220516619 CN201220516619U CN202926925U CN 202926925 U CN202926925 U CN 202926925U CN 201220516619 CN201220516619 CN 201220516619 CN 201220516619 U CN201220516619 U CN 201220516619U CN 202926925 U CN202926925 U CN 202926925U
- Authority
- CN
- China
- Prior art keywords
- brake
- wind
- electromagnetic
- electricity generation
- powered electricity
- 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
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model relates to an electromagnetic power-losing brake device for wind power. A structure of the electromagnetic power-losing brake device comprises two plate-shaped sizing blocks and electromagnetic brakes, wherein the two plate-shaped sizing blocks are fixed on an upper side and a lower side of a same position of a wind power fixing frame plate, and the electromagnetic brakes are respectively fixed on the two plate-shaped sizing blocks and jointly effect on an upper face and a lower face of a wind power brake disc. Each electromagnetic brake comprises an electromagnet, brake springs connected in an electromagnet casing in a penetrated mode and a friction plate arranged on an electromagnet armature. A connecting plate extending to the side direction is manufactured on the electromagnet casing, the connecting plate is arranged on the corresponding sizing block, and a clearance adjustment and fixing mechanism is arranged between the connecting plate and the corresponding sizing block. The electromagnetic power-losing brake device enables adjustment of brake clearance of the upper electromagnetic brake and the lower electromagnetic brake to be simple and free of influences, can change and adjust deflection angles of brake faces and accordingly solves the problem that the brake clearance of the upper electromagnetic brake and the lower electromagnetic brake of the existing hydraulic type wind power brake is difficult to adjust.
Description
Technical field
The utility model relates to the break that uses on a kind of wind power plant, specifically a kind of wind-powered electricity generation electromagnetism electricity-loss braking device.
Background technique
Wind power brake is an important component part on wind power generating set.Existing wind power brake is all hydraulic brake, is symmetricly set on the upper and lower faces of wind-powered electricity generation brake disc, and is fixed on together up and down by some groups of logical bolts the wind-powered electricity generation fixedly on frame plate that is positioned at wind-powered electricity generation brake disc periphery.There are two subject matters in this hydraulic type wind power brake, and the one, the brake clearance adjustment is very inconvenient, and the 2nd, Leakage is very outstanding.
The main cause of brake clearance adjustment inconvenience is that the hydraulic brake due to the upper and lower faces that is arranged on the wind-powered electricity generation brake disc is together to be fixed on wind-powered electricity generation fixedly on frame plate, therefore, the friction plate on two breaks can only keep with wind-powered electricity generation fixedly the plate face of frame plate parallel; And the wind-powered electricity generation brake disc is due on the rotating spindle that is arranged on wind power generating set, and card is larger, generally can not reach under normal conditions and the fixing completely parallel accurate installation position of plate face of frame plate of wind-powered electricity generation, it is very general that the alice in allowed band is installed phenomenon; And hydraulic brake is installed owing to can't carry out corresponding gap deflection adjustment or carrying out deflection, thereby also just can't adapt to the wind-powered electricity generation brake disc of this alice installation.In addition, because two hydraulic brakes in up and down are that one is arranged on the fixedly upper and lower faces of frame plate of wind-powered electricity generation, the adjustment of the brake clearance of upper and lower break just must interact and adjust inconvenience, and namely two hydraulic brakes of up and down can not be realized independent brake clearance adjustment.So the gap of existing wind power brake is adjusted, not only operation is very inconvenient, and can't realize the angular deflection adjustment corresponding with brake disc, also can't realize independently gap adjustment separately.This has been the hard nut to crack that the wind-powered electricity generation brake field exists.
Leakage be the hydraulic type wind power brake exist another have the problem of generality.This be due to brake disc in vertical depression the moment on the brake disc card of High Rotation Speed, under the drive of turning effort power, can cause the deflection of brake piston in wind-powered electricity generation brake disc level, therefore Seepage will occur in the high pressure oil in oil hydraulic cylinder; In case and hydraulic oil leaks on the card of wind-powered electricity generation brake disc, so, the braking action of this break has also just been had a greatly reduced quality; And the gathering of this leakage of oil, the spark that is produced when also easily being braked at a high speed ignites, thereby causes the serious accident of burning main frame etc.
The model utility content
The purpose of this utility model just is to provide a kind of wind-powered electricity generation electromagnetism electricity-loss braking device, adjusts the problem of inconvenience and general leakage of oil to overcome brake clearance that the hydraulic type wind power brake exists.
The utility model is achieved in that a kind of wind-powered electricity generation electromagnetism electricity-loss braking device, include: be used for being fixed on the fixedly two boards shape parallels of frame plate same position place upper and lower faces of wind-powered electricity generation, and be separately fixed on two blocks of described parallels and in the upper and lower faces acting in conjunction of wind-powered electricity generation brake disc in the electromagnetic brake of wind-powered electricity generation brake disc;
Described electromagnetic brake includes: by the electromagnet that housing, electromagnetic coil and armature form, cross-under is in described housing and promote the brake spring that described armature is braked, and is arranged on the friction plate on described armature;
Be shaped with the connecting plate of epitaxial lateral overgrowth on described housing, described connecting plate is arranged on described parallels, is provided with gap adjustment and fixed mechanism between described connecting plate and described parallels.
Described gap adjustment in the utility model and fixed mechanism comprise that four components are distributed in gap adjustment bolt and the standby tight bolt of four jiaos of described connecting plates; Described gap adjustment bolt passes the unthreaded hole on described connecting plate, is threaded in the screw on described parallels; Described standby tight bolt thread is connected in tapped through hole on described connecting plate, and its spiro rod length is greater than the thickness of described connecting plate.
Be provided with gland on described brake spring, described gland is fixed on described housing, is provided with spring pressure and adjusts screw rod on described gland.
Described gland is to be socketed in described brake spring epimere and with the cylinder cap on fixing edge, or is crimped on the plane dome of described brake spring end face.
The utility model is by adopting symmetrically arranged two electromagnetic brakes in up and down that the wind-powered electricity generation brake disc of wind power generating set is braked, at first, the use of this electromagnetic brake, save the configuration of conventional hydraulic control mechanism and hydraulic station, naturally also just eliminated Leakage and consequent potential safety hazard; Secondly, two electromagnetic brakes are to be arranged on the fixedly upper and lower faces of frame plate of wind-powered electricity generation under the cooperation of two boards shape parallels, the advantage of this mounting structure, the one, upper and lower two electromagnetic brakes are independently to be fixed on separately on parallels or lower padding iron, thereby just can independently carry out separately respectively when carrying out the adjustment of brake clearance, be independent of each other, do not interfere with each other; The 2nd, clearance adjustment mechanism and fixed mechanism coordinated, a kind of brand-new gap adjustment and fixed mechanism have been formed, the adjustment of this gap and fixed mechanism not only can carry out the adjustment of gap length, can also carry out the adjustment of brake clearance deviation angle, thereby the braking surface of electromagnetic brake can be adjusted to the position that parallels with the card of wind-powered electricity generation brake disc, satisfy thus the braking needs that the wind-powered electricity generation of small alice brake disc is arranged; Again; two electromagnetic brakes are all combinations of adopting brake spring and electromagnet; can dwindle machine volume like this; reduce the complete machine height, reduce space hold, and; electromagnetic brake adopts the dead electricity braking mode; do not have power down to lose the misgivings of lock, can guarantee safety in production and the emergency braking of wind power generating set, the protection power generating equipment is without prejudice.
The utility model can make the adjustment of brake clearance of upper and lower two electromagnetic brakes both simple and convenient, be independent of each other again, variation and the adjustment of braking surface deflection angle also can be arranged, overcome thus the hard nut to crack that upper and lower two brake clearances of existing hydraulic type wind power brake are adjusted inconvenience.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plan view of electromagnetism electricity-loss braking device shown in Figure 1.
In figure: 1, wind-powered electricity generation brake disc, 3, friction plate, 4, armature, 5, housing, 6, electromagnetic coil, 7, guide rod, 8, brake spring, 10, standby tight bolt, 11, the gap adjusts bolt, 12, construction bolt is secondary, and 13, parallels, 14, spring pressure adjusts screw rod, 15, the fixing frame plate of wind-powered electricity generation, 16, connecting plate, 17, gland, 18, pad.
Embodiment
As shown in Figure 1, wind-powered electricity generation brake disc 1 is arranged on the main shaft of wind power generator group, be provided with fixedly frame plate 15 of wind-powered electricity generation in the outer periphery of brake disc 1, wind-powered electricity generation fixedly the upper and lower faces of frame plate 15 be symmetrically arranged with 13, two parallels 13 of tabular parallels and together be fixed on wind-powered electricity generation by the construction bolt pair 12 that connects fixedly on frame plate 15.Fix respectively an electromagnetic brake on upper and lower two blocks of parallels 13, two electromagnetic brakes from the upper and lower faces acting in conjunction of wind-powered electricity generation brake disc 1 on the wind-powered electricity generation brake disc.
Two electromagnetic brakes include respectively electromagnet, brake spring 8 and friction plate 3.Electromagnet is comprised of housing 5, electromagnetic coil 6 and armature 4, is provided with the guide rod 7 that armature is carried out motion guide between armature 4 and housing 5.Friction plate 3 is arranged on the braking surface of armature 4, and and the card of wind-powered electricity generation brake disc 1 between keep the brake clearance that allows.Brake spring 8 has two, and cross-under in the housing 5 of electromagnet, is used for promoting armature 4 and carries out the dead electricity braking side by side.Be provided with gland 17 on each brake spring 8, described gland 17 can be to be socketed in brake spring 6 epimeres and to enclose the fixedly cylinder cap structure on edge in the bottom with one, by fixedly edge and screw are fixed on the housing 5 of electromagnet.Gland 17 can be also the plane dome that is crimped on brake spring 8 end faces, directly is fixed on by screw on the housing 5 of electromagnet.Be provided with spring pressure and adjust screw rod 14 on gland 17, in order to the size of adjustable brake moment.Adjust between screw rod 14 and brake spring 8 at spring pressure pad 18 can be set, adjust pressing of 14 pairs of brake springs 8 of screw rod to facilitate spring pressure.
As shown in Figure 1 and Figure 2, be shaped with the connecting plate 16 of epitaxial lateral overgrowth on the housing 5 of electromagnet, connecting plate 16 is arranged on parallels 13, is provided with gap adjustment and fixed mechanism between connecting plate 16 and parallels 13.
The adjustment of described gap and fixed mechanism have four groups of fixation fastener, are divided into four jiaos of the end faces of connecting plate 16.Every group of fixation fastener comprises a gap adjustment bolt 11 and a standby tight bolt 10.Gap adjustment bolt 11 passes the unthreaded hole on connecting plate 16, is threaded in the screw on parallels 13; Standby tight bolt 10 is threaded in tapped through hole on connecting plate 16, and holds out against the surface at parallels 13.For standby tight bolt 10 can be held out against on the surface of parallels 13, so the spiro rod length of standby tight bolt 10 is greater than the thickness of connecting plate 16.In addition, on standby tight bolt 10, a tightening nut is set preferably, to guarantee the reliable standby tight of standby tight bolt 10.
The utility model can also adopt other several more common and conventional clearance adjustment mechanisms that adopt on existing electromagnetic brake, but these clearance adjustment mechanisms and adjustment mode thereof, compare structure and the adjustment mode of the adjustment of above-mentioned gap and fixed mechanism, structure member increases to some extent, and adjusts inconvenience to some extent.The utility model gap is adjusted and the structure of fixed mechanism is simple, function is many, and adjustment is the most convenient.
Working principle of the present utility model is: when needs are braked, disconnect the working power of the utility model electromagnetism electricity-loss braking device by controller, two electromagnetic brake dead electricity, the suction of electromagnetic coil 6 disappears, brake spring 8 promotes armature 4 and friction plate 3 presses to wind-powered electricity generation brake disc 1, realizes the brake brake application.When needs declutch, serve working power by controller to the utility model electromagnetism electricity-loss braking device, it is electric that two electromagnetic brakes get, and the electromagnetic force that electromagnetic coil 6 produces is adsorbed onto armature 4 on housing 5, friction plate 3 separates with wind-powered electricity generation brake disc 1, realizes declutching operation.
Installation of the present utility model and brake clearance adjustment process are: at first, two blocks of parallels, 13 use construction bolt pairs 12 are separately fixed at the fixedly upper and lower faces of frame plate 15 of wind-powered electricity generation, then, connecting plate 16 on an electromagnetic brake is set on one of them parallels 13, again four gaps are adjusted bolts 11 and passed respectively unthreaded hole on 16 4 jiaos of connecting plates, be screwed onto in screw corresponding with unthreaded hole on parallels 13; Four gaps are adjusted the precession degree of depth of bolt 11 in parallels 13 and should be consistent.After this, then with four standby tight bolts 10 be screwed onto in the screw that is respectively adjacent to four unthreaded holes on 16 4 jiaos of connecting plates.Due to the spiro rod length of standby tight bolt 10 thickness greater than connecting plate 16, therefore, the surface that parallels 13 can be pushed up in the lower end of standby tight bolt 10, thus with connecting plate 16 tensions, realize being fixedly connected with of connecting plate (being electromagnetic brake).Adjust four gaps and adjust the precession degree of depth of bolts 11 in parallels 13, i.e. the last fastening height of the housing 5 in the capable of regulating electromagnetic brake and armature 4, thus the friction plate 3 of realizing armature 4 bottoms is apart from the adjustment of the brake clearance between wind-powered electricity generation brake disc surface.If wind-powered electricity generation brake disc 1 has certain mounting inclination angle degree (namely having certain alice phenomenon), by changing in the outer part or adjusting the precession degree of depth of bolt 11 in parallels 13 by two gaps of the inside, can with four standby tight bolt 10 standby tight after, make the two ends of the friction plate 3 of armature 4 bottoms produce certain height tolerance, when the deflection angle that forms when this height tolerance is basically identical with the alice angle of wind-powered electricity generation brake disc 1, namely reached the purpose with the deflection adjustment of the essentially identical brake clearance of wind-powered electricity generation brake disc.At last, in a manner described wind-powered electricity generation fixedly the another side of frame plate fix another electromagnetic brake, and the corresponding brake clearance of adjusting can be completed integral installation and the gap adjustment of the utility model electromagnetism electricity-loss braking device.
The adjustment mode of the size of above-mentioned this brake clearance and angular deflection, easy to operate, simple, thoroughly solved the hard nut to crack that existing wind power brake brake clearance is adjusted inconvenience and can not deflection be adjusted.
Claims (4)
1. wind-powered electricity generation electromagnetism electricity-loss braking device, it is characterized in that, include: be used for being fixed on the fixedly two boards shape parallels of frame plate same position place upper and lower faces of wind-powered electricity generation, and be separately fixed on two blocks of described parallels and in the upper and lower faces acting in conjunction of wind-powered electricity generation brake disc in the electromagnetic brake of wind-powered electricity generation brake disc;
Described electromagnetic brake includes: by the electromagnet that housing, electromagnetic coil and armature form, cross-under is in described housing and promote the brake spring that described armature is braked, and is arranged on the friction plate on described armature;
Be shaped with the connecting plate of epitaxial lateral overgrowth on described housing, described connecting plate is arranged on described parallels, is provided with gap adjustment and fixed mechanism between described connecting plate and described parallels.
2. wind-powered electricity generation according to claim 1 electromagnetism electricity-loss braking device, is characterized in that, the adjustment of described gap and fixed mechanism comprise that four components are distributed in gap adjustment bolt and the standby tight bolt of four jiaos of described connecting plates; Described gap adjustment bolt passes the unthreaded hole on described connecting plate, is threaded in the screw on described parallels; Described standby tight bolt thread is connected in tapped through hole on described connecting plate, and its spiro rod length is greater than the thickness of described connecting plate.
3. wind-powered electricity generation according to claim 1 and 2 electromagnetism electricity-loss braking device, is characterized in that, is provided with gland on described brake spring, and described gland is fixed on described housing, is provided with spring pressure and adjusts screw rod on described gland.
4. wind-powered electricity generation according to claim 3 electromagnetism electricity-loss braking device, is characterized in that, described gland is to be socketed in described brake spring epimere and with the cylinder cap on fixing edge, or be crimped on the plane dome of described brake spring end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220516619 CN202926925U (en) | 2012-10-10 | 2012-10-10 | Electromagnetic power-losing brake device for wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220516619 CN202926925U (en) | 2012-10-10 | 2012-10-10 | Electromagnetic power-losing brake device for wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926925U true CN202926925U (en) | 2013-05-08 |
Family
ID=48216887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220516619 Expired - Fee Related CN202926925U (en) | 2012-10-10 | 2012-10-10 | Electromagnetic power-losing brake device for wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865320A (en) * | 2012-10-10 | 2013-01-09 | 石家庄五龙制动器股份有限公司 | Electromagnetic power loss brake for wind power |
| CN106460969A (en) * | 2014-04-29 | 2017-02-22 | 黑马机械仪器防护有限公司 | Safety clamping and/or safety braking device |
-
2012
- 2012-10-10 CN CN 201220516619 patent/CN202926925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865320A (en) * | 2012-10-10 | 2013-01-09 | 石家庄五龙制动器股份有限公司 | Electromagnetic power loss brake for wind power |
| CN102865320B (en) * | 2012-10-10 | 2015-06-24 | 石家庄五龙制动器股份有限公司 | Electromagnetic power loss brake for wind power |
| CN106460969A (en) * | 2014-04-29 | 2017-02-22 | 黑马机械仪器防护有限公司 | Safety clamping and/or safety braking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202926925U (en) | Electromagnetic power-losing brake device for wind power | |
| CN201953565U (en) | Mechanical brake device of wind-driven generator | |
| CN202646479U (en) | Yaw brake of wind turbine generator system | |
| CN202360643U (en) | Manual mechanical brake | |
| CN201412429Y (en) | Spherical high-locking nut | |
| CN206992866U (en) | A kind of motor adjusting device | |
| CN102865320B (en) | Electromagnetic power loss brake for wind power | |
| CN203579260U (en) | Clamp capable of preventing squashing products | |
| CN202824226U (en) | Speed-adjustable coil cradle | |
| CN202808258U (en) | Elevator brake | |
| CN204623107U (en) | Automobile suspended mechanism | |
| CN204298006U (en) | Plate disc brake | |
| CN207787408U (en) | A kind of adjustable press machine | |
| CN202431454U (en) | Elastic support piece of wind power generator | |
| CN201827269U (en) | Electromagnetic plate type brake | |
| CN216975600U (en) | Wind-powered electricity generation slip stopper | |
| CN203098699U (en) | Friction braking torque adjustable brake | |
| CN203339864U (en) | Generator positioning device for diesel generating set | |
| CN201896888U (en) | Disc brake braking mechanism | |
| CN201991971U (en) | Connecting mechanism of braking support plate and piston for brake | |
| CN201793346U (en) | Butterfly-shaped brake of gearless traction machine | |
| CN104410215A (en) | Brush motor brush pressure adjustment method and assisting tool | |
| CN205806252U (en) | A kind of torque force limiting device | |
| CN211677905U (en) | Crushing wall locking device for multi-cylinder crusher | |
| CN203764939U (en) | Adjusting auxiliary device for template of die-casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151010 |
|
| EXPY | Termination of patent right or utility model |