CN212004033U - Braking device of wind driven generator - Google Patents
Braking device of wind driven generator Download PDFInfo
- Publication number
- CN212004033U CN212004033U CN202020226427.4U CN202020226427U CN212004033U CN 212004033 U CN212004033 U CN 212004033U CN 202020226427 U CN202020226427 U CN 202020226427U CN 212004033 U CN212004033 U CN 212004033U
- Authority
- CN
- China
- Prior art keywords
- brake
- braking
- braking device
- aerogenerator
- groove
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- 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
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- Braking Arrangements (AREA)
Abstract
The utility model discloses a wind driven generator braking device, which is arranged outside a brake disc on a rotating shaft of a wind driven generator, and is divided into two sets of braking mechanisms which are symmetrically arranged at two ends of the brake disc, the structure of each set of braking mechanism is the same, and each set of braking mechanism comprises a braking frame, a braking assembly, a connecting plate and a hydraulic cylinder; the brake components are divided into two groups, and each group of brake components comprises a brake rod, a brake block, an extension tube and a spring; the utility model provides a arresting gear, when large-scale aerogenerator need overhaul the maintenance, arresting gear can realize aerogenerator's braking through the control brake pads and shut down, at the braking in-process, along with the propulsion of pneumatic cylinder, polylith brake pads can carry out braking operation in proper order, prevents the damage that hard braking caused, reduces the damage that braking process caused brake disc and brake pads, and braking effect is good.
Description
Technical Field
The utility model relates to a wind power generation technical field, more specifically the utility model relates to a aerogenerator arresting gear that says so.
Background
At present, a large-scale wind driven generator is one of the most important key devices in a wind power generation system, and the running state and the service life of each part of a fan have important influence on the safe running of the whole wind driven generator. During maintenance, the machine is stopped by a braking device. The braking device is continuously worn in long-term use, the braking performance is inevitably influenced, the operation safety of the whole system is influenced, the state detection of the braking device is actively carried out, and the braking device has important significance for timely problem handling of maintenance personnel and safe operation of the whole system.
The wind power generation has the disadvantages that the torque of a rotating shaft is large, the braking is not easy, the damage to a braking device is large, and a plurality of problems exist in the practical use.
Therefore, how to provide a wind turbine braking device with good effect and less damage is a problem that needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a aerogenerator arresting gear aims at solving above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a aerogenerator arresting gear, sets up the outside at the epaxial brake disc of aerogenerator, and divide into two sets of brake mechanism symmetry and lie in the both ends of brake disc, every set brake mechanism's structure is the same, every set brake mechanism includes: the brake device comprises a brake frame, a brake assembly, a connecting plate and a hydraulic cylinder;
a groove wrapping the brake disc is formed in the middle of the brake frame in the direction of the brake disc; a plurality of sliding holes are formed in the two side walls of the groove;
the brake assemblies are divided into two groups, and each group of brake assemblies comprises a brake rod, a brake block, an extension tube and a spring; the brake rods are connected in the sliding holes on one side of the groove in a sliding mode, and the length of the brake rods extending into the groove is reduced in sequence; the brake block is fixed at one end head of the brake rod facing the brake disc; the telescopic pipe is connected with the end head of the brake rod extending out of the brake frame in a sliding manner; the spring is positioned in the telescopic pipe, and two ends of the spring are respectively fixedly connected with the end of the brake rod and the inner bottom surface of the telescopic pipe;
one surface of the connecting plate is fixedly connected with the ends of the telescopic pipes of each group of braking components;
and the telescopic end of the hydraulic cylinder is fixedly connected with the other surface of the connecting plate.
Through the technical scheme, the utility model provides a brake equipment, when large-scale aerogenerator need overhaul the maintenance, brake equipment can realize aerogenerator's braking through control brake pads and shut down, in braking process, along with the propulsion of pneumatic cylinder, polylith brake pads can carry out braking operation in proper order, prevent the damage that hard braking caused, and adopt the mode of successive layer braking, the rotational speed that makes the brake disc reduces until stopping gradually, the spring can enough play the effect that makes different brake pads work in proper order, can play the effect of buffering again, reduce the damage that braking process caused brake disc and brake pads, and braking effect is good.
Preferably, in the above wind turbine braking device, two adjacent brake blocks in each set of the brake assemblies are slidably connected through a sliding groove and a sliding way. Through the structure, the brake blocks can be connected to form a whole, and the structural stability is stronger in the driving process.
Preferably, in the wind turbine braking device, the cross section of the groove is U-shaped. The arrangement of the whole structure is more reasonable.
Preferably, in the braking device for a wind turbine generator, the upper end and the lower end of the brake disc are located in the groove, and a gap is left between the brake disc and the brake block. Forming a structural basis for the braked and non-braked states.
Preferably, in the above wind turbine braking device, the number of the brake levers of each set of the brake assemblies is 3. The braking requirement can be met.
Preferably, in the above wind turbine braking device, adjacent brake levers extend into the groove by equal lengths. The displacement requirement of the drive can be met.
Preferably, in the wind turbine braking device, a lubricating oil is applied between the brake lever and the sliding hole. Is beneficial to improving the smoothness of the movement of the brake rod in the driving process.
According to the technical solution, compared with the prior art, the utility model discloses a aerogenerator arresting gear is provided, following beneficial effect has:
1. the utility model discloses when large-scale aerogenerator need overhaul when maintaining, arresting gear can realize aerogenerator's braking through the control brake pads and shut down, at the braking in-process, along with the propulsion of pneumatic cylinder, polylith brake pads can carry out braking operation in proper order, prevents the damage that hard braking caused, and adopts the mode of successive layer braking, makes the rotational speed of brake disc reduce gradually until stopping.
2. The utility model discloses the setting has the brake subassembly of elasticity function, and the spring can enough play the effect that makes different brake pads work in proper order, can play the effect of buffering again, reduces the damage that braking process caused brake disc and brake pad, and braking effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view provided by the present invention;
fig. 2 is a schematic structural diagram of the brake assembly provided by the present invention.
Wherein:
1-a rotating shaft;
2-a brake disc;
3-a braking mechanism;
31-a brake frame;
311-a groove;
32-a brake assembly;
321-a brake lever;
322-brake pads;
3221-a chute;
3222-a slide;
323-telescoping tube;
324-a spring;
33-a connecting plate;
34-hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Participate in attached figure 1 and attached figure 2, the embodiment of the utility model discloses a aerogenerator arresting gear sets up the outside at 2 brake discs of aerogenerator pivot 1 on, and divide into two sets of 3 symmetric positions of arrestment mechanism at the both ends of 2 brake discs, and every set of arrestment mechanism 3's structure is the same, and every set of arrestment mechanism 3 includes: brake frame 31, brake assembly 32, connecting plate 33 and hydraulic cylinder 34;
a groove 311 wrapping the brake disc 2 is formed in the middle of the brake frame 31 towards the brake disc 2; a plurality of sliding holes are formed in two side walls of the groove 311;
the brake assemblies 32 are divided into two groups, each group of brake assemblies 32 comprises a brake lever 321, a brake block 322, a telescopic pipe 323 and a spring 324; the brake levers 321 are slidably connected in the sliding holes on one side of the groove 311, and the length of the brake levers 321 extending into the groove 311 is reduced in sequence; the brake block 322 is fixed at one end of the brake rod 321 facing the brake disc 2; the telescopic pipe 323 is connected with one end of the brake rod 321 extending out of the brake frame 31 in a sliding way; the spring 324 is positioned in the telescopic pipe 323, and two ends of the spring are respectively fixedly connected with the end of the brake lever 321 and the inner bottom surface of the telescopic pipe 323;
one surface of the connecting plate 33 is fixedly connected with the ends of a plurality of telescopic pipes 323 of each group of brake assemblies 32;
the telescopic end of the hydraulic cylinder 34 is fixedly connected with the other surface of the connecting plate 33.
To further optimize the above technical solution, two adjacent brake blocks 322 in each set of brake assemblies 32 are slidably connected by a slide groove 3221 and a slide track 3222.
In order to further optimize the above technical solution, the cross section of the groove 311 is U-shaped.
In order to further optimize the above technical solution, the upper and lower ends of the brake disc 2 are located in the groove 311, and a gap is left between the brake disc and the brake block 322.
In order to further optimize the above solution, the number of brake levers 321 per set of brake assemblies 32 is 3.
In order to further optimize the above technical solution, the adjacent brake levers 321 extend into the grooves 311 with equal difference in length.
In order to further optimize the above technical solution, a lubricating oil is coated between the brake lever 321 and the sliding hole.
The utility model discloses a braking method does:
when the rotating shaft 1 needs to be braked, the hydraulic cylinder 34 is driven to push the connecting plate 33 to move, the brake rod 321 slides in the sliding hole to push the brake blocks 322 to move towards the brake disc 2, the brake blocks 322 are sequentially contacted with the brake disc 2 to brake, the spring 324 not only plays a role in enabling different brake blocks 322 to sequentially work, but also plays a role in buffering, and damage to the brake disc 2 and the brake blocks 322 caused by the braking process is reduced. When braking is completed, the hydraulic cylinder 34 is driven in reverse to reset.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a aerogenerator arresting gear, its characterized in that sets up the outside of brake disc (2) on aerogenerator pivot (1), and divide into two sets of brake mechanism (3) symmetric bit the both ends of brake disc (2), every set the structure of brake mechanism (3) is the same, every set brake mechanism (3) include: the brake device comprises a brake frame (31), a brake assembly (32), a connecting plate (33) and a hydraulic cylinder (34);
a groove (311) wrapping the brake disc (2) is formed in the middle of the brake frame (31) towards the direction of the brake disc (2); a plurality of sliding holes are formed in two side walls of the groove (311);
the brake assemblies (32) are divided into two groups, and each group of brake assemblies (32) comprises a brake rod (321), a brake block (322), an expansion pipe (323) and a spring (324); the brake levers (321) are connected in the sliding holes on one side of the groove (311) in a sliding mode, and the length of the brake levers (321) extending into the groove (311) is reduced in sequence; the brake block (322) is fixed at one end head of the brake rod (321) facing the brake disc (2); the telescopic pipe (323) is connected with one end head of the brake rod (321) extending out of the brake frame (31) in a sliding way; the spring (324) is positioned in the telescopic pipe (323), and two ends of the spring are respectively fixedly connected with the end of the brake lever (321) and the inner bottom surface of the telescopic pipe (323);
one surface of the connecting plate (33) is fixedly connected with the ends of the telescopic pipes (323) of each group of braking components (32);
the telescopic end of the hydraulic cylinder (34) is fixedly connected with the other surface of the connecting plate (33).
2. Aerogenerator braking device according to claim 1, characterized in that two adjacent brake blocks (322) of each set of brake assemblies (32) are slidingly connected by means of a sliding groove (3221) and a slideway (3222).
3. Aerogenerator braking device according to claim 1, characterized in that said recess (311) is U-shaped in cross-section.
4. A wind turbine braking device according to claim 1, characterised in that the brake disc (2) is located in the recess (311) at both its upper and lower ends with a clearance from the brake pads (322).
5. A wind turbine braking device according to claim 1, characterized in that the number of brake levers (321) per set of brake assemblies (32) is 3.
6. A wind turbine braking device according to claim 1, characterised in that adjacent brake levers (321) extend into the recess (311) by equal lengths.
7. A wind turbine braking device according to claim 1, characterised in that the brake lever (321) and the sliding hole are coated with lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226427.4U CN212004033U (en) | 2020-02-28 | 2020-02-28 | Braking device of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226427.4U CN212004033U (en) | 2020-02-28 | 2020-02-28 | Braking device of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004033U true CN212004033U (en) | 2020-11-24 |
Family
ID=73423613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226427.4U Expired - Fee Related CN212004033U (en) | 2020-02-28 | 2020-02-28 | Braking device of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574022A (en) * | 2022-12-07 | 2023-01-06 | 中国能源建设集团山西省电力勘测设计院有限公司 | Mechanical brake device of vertical axis wind generating set |
-
2020
- 2020-02-28 CN CN202020226427.4U patent/CN212004033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115574022A (en) * | 2022-12-07 | 2023-01-06 | 中国能源建设集团山西省电力勘测设计院有限公司 | Mechanical brake device of vertical axis wind generating set |
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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: 20201124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |