CN207161276U - Cable protecting device built in wind-driven generator and its power transmission shaft - Google Patents
Cable protecting device built in wind-driven generator and its power transmission shaft Download PDFInfo
- Publication number
- CN207161276U CN207161276U CN201721163194.2U CN201721163194U CN207161276U CN 207161276 U CN207161276 U CN 207161276U CN 201721163194 U CN201721163194 U CN 201721163194U CN 207161276 U CN207161276 U CN 207161276U
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- CN
- China
- Prior art keywords
- power transmission
- transmission shaft
- penetration pipe
- protecting device
- cable
- 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.)
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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
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- Flexible Shafts (AREA)
Abstract
It the utility model is related to technical field of wind power generating equipment; cable protecting device built in more particularly to a kind of power transmission shaft; including the penetration pipe being arranged in power transmission shaft, the penetration pipe is fixedly connected close to one end that power transmission shaft power inputs by face clamping flange with the end face of power transmission shaft.The utility model cable protecting device is easy for installation, and reliability is high, effectively reduces swing and vibration of the penetration pipe in power transmission shaft, reaches the purpose of protection cable.The utility model further discloses a kind of wind-driven generator.
Description
Technical field
Technical field of wind power generating equipment is the utility model is related to, in more particularly to a kind of wind-driven generator and its power transmission shaft
Put cable protecting device.
Background technology
To realize the functional requirements such as blade of wind-driven generator pitch control, for communicating the various cable palpuses with passing power
Through the center driving axle of the transmission parts such as gearbox, main shaft and wheel hub.
Current most of wind-driven generators do not take cable protection measure, one, cable can follow gearbox, main shaft and
The rotation of wheel hub and occur bounce in addition distort so that cable frequently suffers from wearing.The two, the transmission parts such as gearbox are often
Generation Leakage, is polluted to cable, will also have a strong impact on the service life of cable, meanwhile, oil leak may also by along
Cable flow to wind-driven generator other equipment and part, and it is impacted.It is difficult numerous that above mentioned problem not only causes maintenance to change
Normal operation that is trivial, and wind-driven generator will being directly influenced.
To protect cable, often selection sets penetration pipe in existing design, by cable in penetration pipe, make cable from
Directly contact and be worn with power transmission shaft, penetration pipe serves protective effect to cable to a certain extent, but it is general not
Make effective fixed support, do not solve bounce and distortion problem well, and it only has threading effect, and function phase is to list
One, it is impossible to effectively eliminate the negative effect that gearbox oil leak is brought.
Utility model content
The purpose of this utility model is to provide cable protecting device built in a kind of wind-driven generator and its power transmission shaft, with solution
Certainly cable causes the technical problem of damage because swinging with vibration.
First aspect of the present utility model, there is provided cable protecting device built in a kind of power transmission shaft, including it is arranged in transmission
Penetration pipe in axle, end face of the penetration pipe close to one end that power transmission shaft power inputs by face clamping flange and power transmission shaft
It is fixedly connected.
Further, the face clamping flange passes through the fastener end face with the penetration pipe and the power transmission shaft respectively
It is fixedly connected.
Further, at least one support member is provided between the penetration pipe and the power transmission shaft.
Further, using interference fit between the support member and the penetration pipe, and/or, the support member and institute
State between power transmission shaft using interference fit.
Further, the support member is designed using polygonized structure.
Further, at least one seal is respectively equipped between the both ends of the penetration pipe and the power transmission shaft.
Further, using interference fit between the seal and the penetration pipe, and/or, the seal and institute
State between power transmission shaft using interference fit.
The utility model cable protecting device is easy for installation, and reliability is high, by setting face clamping flange, can effectively subtract
Few penetration pipe is swung in power transmission shaft and vibration, by setting support member, more preferable supporting role is played to penetration pipe, further
Reduce swing and the vibration of penetration pipe；By setting seal at the both ends of penetration pipe and power transmission shaft, gearbox can be effectively prevented
Oil leak flow to other equipment with cable, avoids impacting other equipment.
Second aspect of the present utility model, additionally provides a kind of wind-driven generator, including main shaft, booster engine, the main shaft,
Cable, in addition to the cable protecting device described in any of the above-described are equipped with inside speedup arbor, the cable is arranged in described
In the penetration pipe of cable protecting device.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the cross-sectional view of cable protecting device built in the utility model power transmission shaft；
Fig. 2 is the left view structural representation of end face clamping flange in Fig. 1；
In figure：11st, penetration pipe；12nd, face clamping flange；13rd, support member；14th, seal；15th, fastener；21st, main shaft,
22nd, speedup arbor.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connect or mechanically connect or be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in this practicality
Concrete meaning in new.
As depicted in figs. 1 and 2, cable protecting device built in a kind of power transmission shaft of the present embodiment, including it is arranged in power transmission shaft
Interior penetration pipe 11, end face of the penetration pipe 11 close to one end that power transmission shaft power inputs by face clamping flange 12 and power transmission shaft
It is fixedly connected, connects specifically, face clamping flange 12 is fixed with the end face of penetration pipe 11 and power transmission shaft respectively by fastener 15
Connect.By setting face clamping flange 12, it can effectively reduce penetration pipe 11 and vibration or swing occurs with power transmission shaft.Need what is illustrated
It is that penetration pipe 11 is preferentially made from PVC or metal, can also be made according to the different reasonable selection other materials of use intensity；
Fastener 15 can specifically use bolt, can also use other fixedly connected parts.
At least one support member for being used to support penetration pipe 11 is provided with the present embodiment, between penetration pipe 11 and power transmission shaft
13, using interference fit between support member 13 and penetration pipe 11, and/or, using interference fit between support member 13 and power transmission shaft.
By setting support member 13, more preferable supporting role is played to penetration pipe 11, further reduces penetration pipe 11 and occurs with power transmission shaft
Vibration or swing.
In the present embodiment, at least one seal 14 is respectively equipped between penetration pipe 11 and the both ends of power transmission shaft.Seal
14 can effectively prevent the oil leak of transmission parts from draining to other equipment region along cable.Used between seal 14 and penetration pipe 11
Interference fit, and/or, using interference fit between seal 14 and power transmission shaft.
It should be noted that support member 13 is preferably designed using polygonized structure, and support member 13, seal 14 use rubber
Glue or polyurethane elastomeric material make, so as to possess certain intensity and deflection, to facilitate installation.It is support member 13, close
Varying number and the magnitude of interference between penetration pipe 11 and power transmission shaft can also can be used as needed for sealing 14.
The cable protecting device of the present embodiment is easy for installation, and reliability is high, can be effective by setting face clamping flange 12
Reduction penetration pipe 11 is swung in power transmission shaft and vibration, by setting support member 13, preferably support is played to penetration pipe 11 and is made
With so that the further swing of reduction penetration pipe 11 and vibration, reaches the purpose for effectively protecting cable；By in penetration pipe and biography
The both ends of moving axis set seal 14, can effectively prevent gearbox oil leak from flowing to other equipment with cable, avoid to other equipment
Impact.
On this basis, the present embodiment additionally provides a kind of wind-driven generator, including transmission parts, the transmission of transmission parts
Cable is equipped with inside axle, main shaft 21, the axle of booster engine 22 in the power transmission shaft, in particular to wind-driven generator of the transmission parts etc.
Power transmission shaft, cable pass through from main shaft 21, the axle of booster engine 22, to protect cable, set up above-mentioned cable protecting device, make cable
It is arranged in penetration pipe 11.Due to using above-mentioned cable protecting device, thus possess its all advantage, will not be repeated here.
The structure design of the present embodiment cable protecting device is gone back except cable built in the power transmission shaft suitable for wind-driven generator
It is applicable to the inside Wiring structure of any hollow pipe.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations
Included some features rather than further feature in example, but the combination of the feature of different embodiments means to be in this practicality
Within the scope of new and form different embodiments.
Claims (8)
1. cable protecting device built in a kind of power transmission shaft, including the penetration pipe (11) being arranged in power transmission shaft, it is characterised in that：Institute
State penetration pipe (11) and fixed close to one end of power transmission shaft power input by the end face of face clamping flange (12) and power transmission shaft and connected
Connect.
2. cable protecting device built in power transmission shaft according to claim 1, it is characterised in that：The face clamping flange
(12) it is fixedly connected by end face of the fastener (15) respectively with the penetration pipe (11) and the power transmission shaft.
3. cable protecting device built in power transmission shaft according to claim 1, it is characterised in that：The penetration pipe (11) and institute
State and be provided with least one support member (13) between power transmission shaft.
4. cable protecting device built in power transmission shaft according to claim 3, it is characterised in that：The support member (13) and institute
State using interference fit between penetration pipe (11), and/or, matched somebody with somebody between the support member (13) and the power transmission shaft using interference
Close.
5. cable protecting device built in the power transmission shaft according to claim 3 or 4, it is characterised in that：The support member (13)
Designed using polygonized structure.
6. cable protecting device built in the power transmission shaft according to claim any one of 1-4, it is characterised in that：The penetration pipe
(11) at least one seal (14) is respectively equipped between the both ends of the power transmission shaft.
7. cable protecting device built in power transmission shaft according to claim 6, it is characterised in that：The seal (14) and institute
State using interference fit between penetration pipe (11), and/or, matched somebody with somebody between the seal (14) and the power transmission shaft using interference
Close.
8. a kind of wind-driven generator, including main shaft (21), booster engine (22), worn inside the main shaft (21), booster engine (22) axle
Provided with cable, it is characterised in that：Also include the cable protecting device described in claim any one of 1-7, the cable is arranged in
In the penetration pipe (11) of the cable protecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163194.2U CN207161276U (en) | 2017-09-11 | 2017-09-11 | Cable protecting device built in wind-driven generator and its power transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163194.2U CN207161276U (en) | 2017-09-11 | 2017-09-11 | Cable protecting device built in wind-driven generator and its power transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161276U true CN207161276U (en) | 2018-03-30 |
Family
ID=61721392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721163194.2U Active CN207161276U (en) | 2017-09-11 | 2017-09-11 | Cable protecting device built in wind-driven generator and its power transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244990A (en) * | 2018-11-19 | 2019-01-18 | 山东中车风电有限公司 | A kind of main shaft penetration pipe structure of wind power generating set |
| EP3795825B1 (en) | 2019-09-20 | 2021-11-17 | ZF Friedrichshafen AG | Insulated feed-through pipe |
| EP3795862B1 (en) | 2019-09-20 | 2021-12-08 | ZF Friedrichshafen AG | Insulated feed-through pipe |
-
2017
- 2017-09-11 CN CN201721163194.2U patent/CN207161276U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244990A (en) * | 2018-11-19 | 2019-01-18 | 山东中车风电有限公司 | A kind of main shaft penetration pipe structure of wind power generating set |
| CN109244990B (en) * | 2018-11-19 | 2021-03-19 | 山东中车风电有限公司 | Main shaft threading pipe structure of wind generating set |
| EP3795825B1 (en) | 2019-09-20 | 2021-11-17 | ZF Friedrichshafen AG | Insulated feed-through pipe |
| EP3795862B1 (en) | 2019-09-20 | 2021-12-08 | ZF Friedrichshafen AG | Insulated feed-through pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: Sany Heavy Energy Co., Ltd Address before: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY Co.,Ltd. |