CN207377734U - A kind of wind power generating set torsion cable position limiting structure - Google Patents
A kind of wind power generating set torsion cable position limiting structure Download PDFInfo
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- CN207377734U CN207377734U CN201721391984.6U CN201721391984U CN207377734U CN 207377734 U CN207377734 U CN 207377734U CN 201721391984 U CN201721391984 U CN 201721391984U CN 207377734 U CN207377734 U CN 207377734U
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- cable
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- guide sleeve
- torsion cable
- tower
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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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Abstract
The utility model discloses a kind of wind power generating set torsion cable position limiting structures, including torsion cable and tower, the axial direction of torsion cable is upper equipped with what is be spaced apart, lower two cable jackets, the axial direction of tower is upper equipped with what is be spaced apart, lower two limition orientation sets, torsion cable passes through upper, lower two cable jackets correspondence is assemblied in the upper of tower, in lower two limition orientations set, specifically, the upper cable jacket of torsion cable is assemblied in by the multiple universal wheels correspondence being circumferentially arranged in the upper limit guide sleeve of tower, the lower cable jacket of torsion cable is assemblied in by the multiple directional wheels correspondence being circumferentially arranged in the lower limit guide sleeve of tower.The utility model is molded with simple structure, reliable torsion cable generated rotary force and the lifting force in action process of realizing absorbs effectively taking into account for conversion, its stability is good, be conducive to extend the service life of torsion cable and position limiting structure, also frequency of maintenance and maintenance cost are advantageously reduced, it is highly practical.
Description
Technical field
The utility model is related to wind power generating sets, are specifically a kind of wind power generating set torsion cable position limiting structure.
Background technology
In the electric energy transmission system of horizontal axis wind-driven generator group, torsion cable is an important power transfer,
Its transfer terminal box for being used as to arrange in cabin intrinsic motivation terminal box and tower, which is realized, to be connected, and torsion cable is connecting two
, it is necessary to carry out /V assembling in tower while a terminal box, on the one hand this /V assembling is to realize connect up, is another in tower
On the one hand it is the carrying to gravity.According to the operating condition of horizontal axis wind-driven generator group and the military service operating mode of torsion cable,
In the During yaw of wind power generating set, torsion cable can generate winding rotation and lifting displacement（That is lifting sagging）Action, this
Rocking impact force caused by a little actions can act directly in the limited support structure of tower, and then can be to torsion cable and tower
Position limiting structure between cylinder damages.
Based on this, the solution in industry is to assemble to generate on the position limiting structure between torsion cable and tower
The bearing assembly of relative displacement, such as " the anti-torsion cable knot excessively in a kind of tower barrel of wind generating set disclosed in Chinese patent literature
Structure "（Publication number：CN103850890；Publication date：On 06 11st, 2014）, " a kind of cable twist protective device for wind generating set "
（Publication number：CN204312256；Publication date：On May 06th, 2015）Deng.Although these technologies can absorb to a certain extent
Impact force is rocked caused by conversion torsion cable action, but its absorption conversion effect is very limited, otherwise they lay particular emphasis on rotation
Turn the absorption conversion of power or lay particular emphasis on the absorption conversion of lifting force, can not simultaneously effective take into account rotary force and lifting force
Conversion is absorbed, poor reliability is not practical enough.
Utility model content
The technical purpose of the utility model is：The special operation condition being on active service for torsion cable in above-mentioned wind power generating set
With the deficiency of existing position limiting structure, provide it is a kind of it is simple in structure, reliable and practical, can simultaneously effective take into account rotary force and lifting
Power absorbs the wind power generating set torsion cable position limiting structure of conversion.
Technical solution is used by the utility model realizes its technical purpose：A kind of wind power generating set torsion cable limit
Bit architecture, including torsion cable and tower, the axial direction of the torsion cable is equipped with upper and lower two cable jackets spaced apart,
The axial direction of the tower is equipped with upper and lower two limition orientation sets spaced apart, and the torsion cable passes through upper and lower two cables
Chuck correspondence is assemblied in upper and lower two limition orientations set of tower, specifically, the upper cable jacket of the torsion cable passes through
The multiple universal wheels correspondence being circumferentially arranged is assemblied in the upper limit guide sleeve of tower, and the lower cable jacket of the torsion cable leads to
The multiple directional wheels correspondence being circumferentially arranged is crossed to be assemblied in the lower limit guide sleeve of tower.
One of preferably, multiple universal wheels between the upper cable jacket and upper limit guide sleeve are in the circumferential
It is divided into upper and lower two rows of arrangements, often row is multiple universal wheels.
One of preferably, the universal wheel assembly connection is on upper cable clip set, in the periphery of upper cable jacket
Radial protrusion contacts assembling with upper limit guide sleeve.
One of preferably, multiple universal wheels between the upper cable jacket and upper limit guide sleeve are in the circumferential
Uniformly arrangement.
One of preferably, the track direction of the directional wheel is corresponding with the axial direction of the torsion cable.
One of preferably, multiple directional wheels between the lower cable jacket and lower limit guide sleeve are in the circumferential
It is divided into upper and lower two rows of arrangements, often row is multiple directional wheels.
One of preferably, the directional wheel assembly connection is on lower cable jacket, in the periphery of lower cable jacket
Radial protrusion contacts assembling with lower limit guide sleeve.
One of preferably, multiple directional wheels between the lower cable jacket and lower limit guide sleeve are in the circumferential
Uniformly arrangement.
One of preferably, the upper cable jacket is arranged in the medium position of the vertical section of torsion cable；It is described
Lower cable jacket is arranged in the bottom position of the vertical section of torsion cable.
The advantageous effects of the utility model are：
1. the utility model is molded with simple structure, torsion cable is reliably realized caused by action process
Rotary force and lifting force absorb effectively taking into account for conversion, and stability is good, are conducive to extend the clothes of torsion cable and position limiting structure
The service life is used as a servant, also advantageously reduces frequency of maintenance and maintenance cost, it is highly practical；
2. the arrangement of the universal wheel and directional wheel of the utility model on cable jacket, can make torsion cable
Action is more flexible, stable, smooth-going.
Description of the drawings
Fig. 1 is a kind of structure diagram of the utility model.
Code name meaning in figure：1-torsion cable；2-tower；3-upper cable jacket；4-universal wheel；5-upper limit is led
To set；6-lower cable jacket；7-directional wheel；8-lower limit guide sleeve.
Specific embodiment
The utility model is related to the torsion cable position limiting structures of wind power generating set, specifically a kind of wind power generating set.
The technology contents of the utility model are clearly and detailedly illustrated with multiple embodiments below, wherein, embodiment 1 is combined and said
Bright book attached drawing-i.e. Fig. 1 is detailed to the technology contents progress of the utility model, clearly demonstrates, though other embodiments are not painted individually
Attached drawing processed, but its agent structure still can refer to the attached drawing of embodiment 1.
Embodiment 1
Shown in Figure 1, the utility model includes torsion cable 1 and tower 2, and torsion cable 1 is arranged in tower 2, turns round
The vertical section for turning cable 1 is axially located near the position of center line of tower 2.
Specifically, the medium position of 1 vertical section of torsion cable is disposed with cable jacket 3, the bottom of 1 vertical section of torsion cable
Portion position is disposed with lower cable jacket 6, and upper cable jacket 3 and lower cable jacket 6 are spaced in the axial direction of 1 vertical section of torsion cable
It opens.The periphery assembly connection of upper cable jacket 3 has multiple universal wheels 4, and each universal wheel 4 is in the outer periphery of upper cable jacket 3
Protrusion, height of projection of these universal wheels 4 in upper 3 periphery of cable jacket are consistent；These universal wheels 4 are in the outer of upper cable jacket 3
It is divided into upper and lower two rows in circumferential direction, often row is multiple universal wheels 4（Such as three or four etc.）；Upper 3 periphery of cable jacket it is every
The uniformly arrangement in the circumferential of multiple universal wheels 4 of row.The periphery assembly connection of lower cable jacket 6 has multiple directional wheels 7, Mei Geding
Raised in the outer periphery of lower cable jacket 6 to wheel 7, height of projection of these directional wheels 7 in lower 6 periphery of cable jacket is consistent,
And the track direction of these directional wheels 7 is corresponding with the axial direction of 1 vertical section of torsion cable consistent；These directional wheels 7 are in lower electricity
It is divided into upper and lower two rows in the periphery circumferential direction of cable clip set 6, often row is multiple directional wheels 7（Such as three or four etc.）；Lower cable clip
Cover the multiple directional wheels 7 often the arranged uniformly arrangement in the circumferential of 6 peripheries.
The axial direction of tower 2 is equipped with upper and lower two limition orientation sets spaced apart-i.e. upper limit guide sleeve 5 and lower limit
The spacing distance of guide sleeve 8, upper limit guide sleeve 5 and lower limit guide sleeve 8, with the upper cable jacket 3 in torsion cable 1 and under
The spacing distance of cable jacket 6 corresponds to consistent.Moreover, the internal diameter of upper limit guide sleeve 5 is matched with cable jacket 3 with universal
Take turns the maximum outside diameter under 4 states, the axial height of upper limit guide sleeve 5 at least equal to upper cable jacket 3 peripheral, axial height,
The inner wall of upper limit guide sleeve 5 is bright and clean, smooth；The internal diameter of lower limit guide sleeve 8 is matched with lower cable jacket 6 in band directional wheel 7
Maximum outside diameter under state, the axial height of lower limit guide sleeve 8 at least equal to lower cable jacket 6 peripheral, axial height, under
The inner wall of limition orientation set 8 is bright and clean, smooth.
Above-mentioned torsion cable 1 passes through upper and lower two cable jackets（3、6）Corresponding upper and lower two /Vs for being assemblied in tower 2
Guide sleeve（5、8）Interior, i.e., the upper cable jacket 3 of torsion cable 1 is assemblied in tower by the correspondence of multiple universal wheels 4 being circumferentially arranged
In 2 upper limit guide sleeve 5, the idler wheel of universal wheel 4 contacts assembling with the inner wall of upper limit guide sleeve 5, to realize circumferential rotation
Indexing moves and the rolling cooperation of axial lifting displacement；The lower cable jacket 6 of torsion cable 1 passes through multiple directional wheels for being circumferentially arranged
7 correspondences are assemblied in the lower limit guide sleeve 8 of tower 2, and the idler wheel of directional wheel 7 contacts assembling with the inner wall of lower limit guide sleeve 8,
To realize the rolling cooperation of axial lifting displacement.
Embodiment 2
The utility model includes torsion cable and tower, and torsion cable is arranged in tower, the vertical section axis of torsion cable
To near the position of center line of tower.
Specifically, the medium position of torsion cable vertical section is disposed with cable jacket, the bottom of torsion cable vertical section
Location arrangements have lower cable jacket, and upper cable jacket and lower cable jacket are spaced apart in the axial direction of torsion cable vertical section.On
The periphery assembly connection of cable jacket has multiple universal wheels, and each universal wheel is raised in the outer periphery of upper cable jacket, these
Height of projection of the universal wheel in upper cable jacket periphery is consistent；These universal wheels are divided into the periphery circumferential direction of upper cable jacket
Three row of upper, middle and lower, often row is multiple universal wheels（Such as three or four etc.）；Often arrange multiple the ten thousand of upper cable jacket periphery
To wheel uniformly arrangement in the circumferential.The periphery assembly connection of lower cable jacket has multiple directional wheels, and each directional wheel is in lower cable
The outer periphery protrusion of chuck, height of projection of these directional wheels in lower cable jacket periphery is consistent, and the rail of these directional wheels
Mark direction is corresponding with the axial direction of torsion cable vertical section consistent；These directional wheels divide in the periphery circumferential direction of lower cable jacket
To be upper and lower two rows of, often row is multiple directional wheels（Such as three or four etc.）；The multiple orientations often arranged of lower cable jacket periphery
Wheel uniformly arrangement in the circumferential.
The axial direction of tower is equipped with upper and lower two limition orientation sets-i.e. upper limit guide sleeve and lower limit spaced apart and leads
To set, the spacing distance of upper limit guide sleeve and lower limit guide sleeve, with the upper cable jacket in torsion cable and lower cable clip
The spacing distance of set corresponds to consistent.It is sleeved on moreover, the internal diameter of upper limit guide sleeve is matched with cable clip under band universal wheel state
Maximum outside diameter, at least equal to the peripheral, axial height of upper cable jacket, upper limit is oriented to for the axial height of upper limit guide sleeve
The inner wall of set is bright and clean, smooth；The internal diameter of lower limit guide sleeve is matched with lower cable jacket outer with the maximum under directional wheel state
Footpath, the axial height of lower limit guide sleeve is at least equal to the peripheral, axial height of lower cable jacket, the inner wall of lower limit guide sleeve
It is bright and clean, smooth.
Above-mentioned torsion cable is assemblied in upper and lower two limition orientation sets of tower by upper and lower two cable jackets correspondence
Interior, i.e., the upper cable jacket of torsion cable is assemblied in the upper limit guide sleeve of tower by the multiple universal wheels correspondence being circumferentially arranged
Interior, the idler wheel of universal wheel contacts assembling with the inner wall of upper limit guide sleeve, to realize rotate in a circumferential direction displacement and axial lifting position
The rolling cooperation of shifting；The lower cable jacket of torsion cable is assemblied in the lower limit of tower by the multiple directional wheels correspondence being circumferentially arranged
In the guide sleeve of position, the idler wheel of directional wheel contacts assembling with the inner wall of lower limit guide sleeve, to realize the rolling of axial lifting displacement
Dynamic cooperation.
Embodiment 3
The utility model includes torsion cable and tower, and torsion cable is arranged in tower, the vertical section axis of torsion cable
To near the position of center line of tower.
Specifically, the medium position of torsion cable vertical section is disposed with cable jacket, the bottom of torsion cable vertical section
Location arrangements have lower cable jacket, and upper cable jacket and lower cable jacket are spaced apart in the axial direction of torsion cable vertical section.On
The periphery assembly connection of cable jacket has multiple universal wheels（Such as three or four etc.）, each universal wheel is in upper cable jacket
Outer periphery protrusion, height of projection of these universal wheels in upper cable jacket periphery are consistent；These universal wheels are in upper cable jacket
Periphery circumferential direction on uniformly arrange it is in a row.The periphery assembly connection of lower cable jacket has multiple directional wheels, each directional wheel
In the outer periphery protrusion of lower cable jacket, height of projection of these directional wheels in lower cable jacket periphery is consistent, and these are fixed
It is corresponding with the axial direction of torsion cable vertical section consistent to the track direction of wheel；These directional wheels are in the periphery of lower cable jacket
It is divided into three row of upper, middle and lower in circumferential direction, often row is multiple directional wheels（Such as three or four etc.）；Lower cable jacket periphery it is every
Multiple directional wheels of row are uniformly arranged in the circumferential.
The axial direction of tower is equipped with upper and lower two limition orientation sets-i.e. upper limit guide sleeve and lower limit spaced apart and leads
To set, the spacing distance of upper limit guide sleeve and lower limit guide sleeve, with the upper cable jacket in torsion cable and lower cable clip
The spacing distance of set corresponds to consistent.It is sleeved on moreover, the internal diameter of upper limit guide sleeve is matched with cable clip under band universal wheel state
Maximum outside diameter, at least equal to the peripheral, axial height of upper cable jacket, upper limit is oriented to for the axial height of upper limit guide sleeve
The inner wall of set is bright and clean, smooth；The internal diameter of lower limit guide sleeve is matched with lower cable jacket outer with the maximum under directional wheel state
Footpath, the axial height of lower limit guide sleeve is at least equal to the peripheral, axial height of lower cable jacket, the inner wall of lower limit guide sleeve
It is bright and clean, smooth.
Above-mentioned torsion cable is assemblied in upper and lower two limition orientation sets of tower by upper and lower two cable jackets correspondence
Interior, i.e., the upper cable jacket of torsion cable is assemblied in the upper limit guide sleeve of tower by the multiple universal wheels correspondence being circumferentially arranged
Interior, the idler wheel of universal wheel contacts assembling with the inner wall of upper limit guide sleeve, to realize rotate in a circumferential direction displacement and axial lifting position
The rolling cooperation of shifting；The lower cable jacket of torsion cable is assemblied in the lower limit of tower by the multiple directional wheels correspondence being circumferentially arranged
In the guide sleeve of position, the idler wheel of directional wheel contacts assembling with the inner wall of lower limit guide sleeve, to realize the rolling of axial lifting displacement
Dynamic cooperation.
Embodiment 4
The utility model includes torsion cable and tower, and torsion cable is arranged in tower, the vertical section axis of torsion cable
To near the position of center line of tower.
Specifically, the medium position of torsion cable vertical section is disposed with cable jacket, the outer wall of upper cable jacket is bright and clean,
It is smooth；The bottom position of torsion cable vertical section is disposed with lower cable jacket, and the outer wall of lower cable jacket is bright and clean, smooth；It powers on
Cable clip covers and lower cable jacket is spaced apart in the axial direction of torsion cable vertical section.
The axial direction of tower is equipped with upper and lower two limition orientation sets-i.e. upper limit guide sleeve and lower limit spaced apart and leads
To set, the spacing distance of upper limit guide sleeve and lower limit guide sleeve, with the upper cable jacket in torsion cable and lower cable clip
The spacing distance of set corresponds to consistent.Moreover, the internal diameter of upper limit guide sleeve is more than the maximum outside diameter of upper cable jacket；Lower limit is led
It is more than the maximum outside diameter of lower cable jacket to the internal diameter of set.The inner circumferential assembly connection of upper limit guide sleeve has multiple universal wheels, often
A universal wheel is in the inner circumferential radial protrusion of upper limit guide sleeve, these universal wheels are in the height of projection one of upper limit guide sleeve inner circumferential
It causes, upper limit guide sleeve is being matched with the outer diameter of cable jacket with the internal diameter under universal wheel state；These universal wheels are in the upper limit
It is divided into upper and lower two rows in the inner circumferential circumferential direction of position guide sleeve, often row is multiple universal wheels（Such as three or four etc.）；Upper limit is led
It uniformly arranges in the circumferential to the multiple universal wheels often arranged of set inner circumferential.It is multiple fixed that the inner circumferential assembly connection of lower limit guide sleeve has
To wheel, for each directional wheel in the inner circumferential radial protrusion of lower limit guide sleeve, these directional wheels are convex lower limit guide sleeve inner circumferential
Rise it is highly consistent, and the track of these directional wheels towards with the axial direction corresponding one of the torsion cable vertical section to be assembled
It causes；Lower limit guide sleeve is being matched with the outer diameter of lower cable jacket with the internal diameter under directional wheel state；These directional wheels are in lower limit
It is divided into upper and lower two rows in the inner circumferential circumferential direction of position guide sleeve, often row is multiple directional wheels（Such as three or four etc.）；Lower limit is led
It uniformly arranges in the circumferential to the multiple directional wheels often arranged of set inner circumferential.
Above-mentioned torsion cable is assemblied in upper and lower two limition orientation sets of tower by upper and lower two cable jackets correspondence
Interior, i.e. the upper cable clip suit of torsion cable is fitted in the space that the universal wheel in the upper limit guide sleeve of tower is formed, and ten thousand
Assembling is contacted with the outer wall of upper cable jacket to the idler wheel of wheel, to realize the rolling of rotate in a circumferential direction displacement and axial lifting displacement
Cooperation；It is fixed in the space that the directional wheel that the lower cable jacket of torsion cable is assemblied in the lower limit guide sleeve of tower is formed
Assembling is contacted with the outer wall of lower cable jacket to the idler wheel of wheel, to realize the rolling cooperation of axial lifting displacement.
Various embodiments above is only to illustrate the utility model, rather than its limitations.Although with reference to the various embodiments described above pair
The utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to above-mentioned each reality
The specific technical solution in example is applied to modify or carry out equivalent substitution to which part technical characteristic；And these modification or
Person replaces, and the essence of appropriate technical solution is not made to depart from the spirit and scope of the utility model.
Claims (9)
1. a kind of wind power generating set torsion cable position limiting structure, including torsion cable（1）And tower（2）, the torsion cable
（1）Axial direction be equipped with upper and lower two cable jackets spaced apart, the tower（2）Axial direction be equipped be spaced apart it is upper and lower
Two limition orientation sets, the torsion cable（1）Tower is assemblied in by upper and lower two cable jackets correspondence（2）Upper and lower two
In a limition orientation set, it is characterised in that：The torsion cable（1）Upper cable jacket（3）By be circumferentially arranged multiple ten thousand
To wheel（4）Correspondence is assemblied in tower（2）Upper limit guide sleeve（5）It is interior, the torsion cable（1）Lower cable jacket（6）It is logical
Cross the multiple directional wheels being circumferentially arranged（7）Correspondence is assemblied in tower（2）Lower limit guide sleeve（8）It is interior.
2. wind power generating set torsion cable position limiting structure according to claim 1, it is characterised in that：The upper cable jacket
（3）With upper limit guide sleeve（5）Between multiple universal wheels（4）It is divided into upper and lower two rows of arrangements in the circumferential, often row is multiple ten thousand
To wheel（4）.
3. wind power generating set torsion cable position limiting structure according to claim 1 or claim 2, it is characterised in that：The universal wheel
（4）Assembly connection is in upper cable jacket（3）On, in upper cable jacket（3）Outer periphery protrusion, with upper limit guide sleeve（5）
Contact assembling.
4. wind power generating set torsion cable position limiting structure according to claim 1 or claim 2, it is characterised in that：The upper cable
Chuck（3）With upper limit guide sleeve（5）Between multiple universal wheels（4）Uniformly arrangement in the circumferential.
5. wind power generating set torsion cable position limiting structure according to claim 1, it is characterised in that：The directional wheel（7）
Track towards and the torsion cable（1）Axial direction it is corresponding.
6. wind power generating set torsion cable position limiting structure according to claim 1, it is characterised in that：The lower cable jacket
（6）With lower limit guide sleeve（8）Between multiple directional wheels（7）It is divided into upper and lower two rows of arrangements in the circumferential, often row is multiple fixed
To wheel（7）.
7. according to the wind power generating set torsion cable position limiting structure of claim 1,5 or 6, it is characterised in that：The orientation
Wheel（7）Assembly connection is in lower cable jacket（6）On, in lower cable jacket（6）Outer periphery protrusion, with lower limit guide sleeve
（8）Contact assembling.
8. according to the wind power generating set torsion cable position limiting structure of claim 1 or 6, it is characterised in that：The lower cable
Chuck（6）With lower limit guide sleeve（8）Between multiple directional wheels（7）Uniformly arrangement in the circumferential.
9. wind power generating set torsion cable position limiting structure according to claim 1, it is characterised in that：The upper cable jacket
（3）It is arranged in torsion cable（1）Vertical section medium position；The lower cable jacket（6）It is arranged in torsion cable（1）It is perpendicular
The bottom position of straight section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391984.6U CN207377734U (en) | 2017-10-25 | 2017-10-25 | A kind of wind power generating set torsion cable position limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391984.6U CN207377734U (en) | 2017-10-25 | 2017-10-25 | A kind of wind power generating set torsion cable position limiting structure |
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| Publication Number | Publication Date |
|---|---|
| CN207377734U true CN207377734U (en) | 2018-05-18 |
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ID=62337395
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721391984.6U Active CN207377734U (en) | 2017-10-25 | 2017-10-25 | A kind of wind power generating set torsion cable position limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207377734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623154A (en) * | 2021-08-27 | 2021-11-09 | 上海电气风电集团股份有限公司 | Fan twisting device and fan |
-
2017
- 2017-10-25 CN CN201721391984.6U patent/CN207377734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623154A (en) * | 2021-08-27 | 2021-11-09 | 上海电气风电集团股份有限公司 | Fan twisting device and fan |
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Address after: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee after: Dongfang Electric Wind Power Co.,Ltd. Address before: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee before: DONGFANG ELECTRIC WIND POWER Co.,Ltd. |