CN110671276A - Device for mounting a wind turbine blade - Google Patents
Device for mounting a wind turbine blade Download PDFInfo
- Publication number
- CN110671276A CN110671276A CN201911143728.9A CN201911143728A CN110671276A CN 110671276 A CN110671276 A CN 110671276A CN 201911143728 A CN201911143728 A CN 201911143728A CN 110671276 A CN110671276 A CN 110671276A
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- China
- Prior art keywords
- cavity
- end wall
- worm
- turbine blade
- sliding
- 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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Links
- 230000002146 bilateral effect Effects 0.000 claims abstract description 7
- 230000009194 climbing Effects 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the field of turbine corollary equipment, in particular to equipment for mounting a wind turbine blade, which comprises two fixed blocks which are arranged in a bilateral symmetry manner, wherein a first threaded hole which is arranged in the left fixed block in the bilateral symmetry manner is arranged in the left fixed block, a first threaded rod is connected with the first threaded hole in an internal thread manner, the first threaded rod is in power connection with a first motor which is fixedly arranged in the left end wall of the right fixed block, and a first sliding hole which is communicated from left to right is arranged in the left fixed block. And is more reliable.
Description
Technical Field
The invention relates to the field of turbine corollary equipment, in particular to equipment for mounting a wind turbine blade.
Background
With the popularization and support of new energy in China, the application of wind power generation equipment is more and more extensive, but a plurality of problems exist in the installation process of wind turbine blades, in the installation process of the traditional turbine blades, the turbine blades are hoisted by using a crane and are easily interfered by wind power, the blades swing left and right when being installed, so that the installation is inconvenient, and the wind turbine power generation equipment is generally installed on a mountain top, overlarge mechanical equipment cannot pass smoothly, so that the installation efficiency is not high, so that the equipment for installing the wind turbine blades is necessary to be arranged to improve the problems.
Disclosure of Invention
It is an object of the present invention to provide an apparatus for wind turbine blade mounting which overcomes the above-mentioned drawbacks of the prior art and thereby improves the utility of the apparatus.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to equipment for installing a wind turbine blade, which comprises two fixed blocks which are arranged in a bilateral symmetry manner, wherein a first threaded hole which is arranged in the left fixed block in the bilateral symmetry manner is arranged in the left fixed block, a first threaded rod is in threaded connection with the first threaded hole, the first threaded rod is in power connection with a first motor fixedly arranged in the left end wall of the right fixed block, a first sliding hole which is communicated from left to right is arranged in the left fixed block, a first sliding rod fixedly connected with the right fixed block is arranged in the first sliding hole in a sliding manner, worm wheel cavities are arranged in the end walls of the left fixed block and the right fixed block on the opposite sides, a climbing device climbing along a supporting rod of a wind power generation device is arranged in the worm wheel cavity, the climbing device comprises a worm rotatably arranged in the worm wheel cavity, the tail end of the worm on the right side extends into a gear cavity arranged, a spline housing is rotatably arranged in the end wall on the right side of the gear cavity, a spline hole which is communicated from left to right is arranged in the spline housing, a spline shaft is connected in the spline hole through a spline, a clamping device used for clamping a turbine blade is fixedly arranged at the tail end of the right side of the spline shaft, a pushing cavity with a right opening is arranged in the end wall on the left side of the gear cavity, a second motor is arranged in the top wall of the pushing cavity, a pushing wheel is fixedly arranged at the tail end of an output shaft of the second motor, the pushing wheel can push the spline shaft to move by rotating so as to adjust the central position of the turbine blade and the mounting hole, a sliding cavity with a left opening is arranged in the end wall on the right side of the gear cavity, a sliding block is slidably arranged in the sliding cavity, and a, the fixed block diapire on right side is provided with the recess that the opening is decurrent in the fixed block diapire, slidable is provided with the balancing weight in the recess, be provided with the wire winding chamber in the sliding block, the rotatable reel surface that sets up in the wire winding chamber around be equipped with balancing weight fixed connection act as the fixed block shifts up the drive can drive after straightening to act as and move up the line.
Beneficially, the climbing device comprises rotating cavities symmetrically arranged in front and rear end walls of the worm wheel cavity, a first rotating shaft penetrating through the worm wheel cavity is rotatably arranged between the front rotating cavity and the rear rotating cavity, a rubber wheel is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity, a worm wheel meshed with the worm is fixedly arranged on the outer surface of the first rotating shaft in the worm wheel cavity, and the worm is in power connection with a third motor arranged in the end wall of the worm wheel cavity.
Beneficially, the clamping device comprises the fixing ring, a vertically through mounting hole is formed in the fixing ring, second threaded holes penetrating through the end wall of the mounting hole are formed in the end wall of the mounting hole in a central symmetric mode, and a second threaded rod used for clamping the turbine blade is connected to the second threaded holes in an inner threaded mode.
Advantageously, a spring is arranged between the spring and the bottom wall of the sliding cavity, a first hinge rod is hinged to the left end wall of the sliding block, the first hinge rod is hinged to the end of a second hinge rod rotatably arranged on the outer surface of the worm, and a fourth gear meshed with the third gear and the first gear is fixedly arranged on a hinge shaft.
The invention has the beneficial effects that: the equipment for installing the wind turbine blade provided by the invention can conveniently realize the installation of the wind turbine blade, has smaller volume and is convenient to carry, and meanwhile, the equipment cannot swing left and right due to the influence of cross wind when the equipment is installed again, so that the installation cannot be aligned.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of an apparatus for wind turbine blade mounting of the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
FIG. 3 is a schematic diagram of B-B in FIG. 1.
Fig. 4 is a schematic view of the structure of C-C in fig. 1.
FIG. 5 is an operational schematic view of an apparatus for wind turbine blade mounting of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The device for installing the wind turbine blade described with reference to fig. 1 to 5 includes two fixed blocks 10 arranged in bilateral symmetry, a first threaded hole 38 arranged in bilateral symmetry is arranged in the fixed block 10 on the left side, a first threaded rod 37 is connected in the first threaded hole 38 in a threaded manner, the first threaded rod 37 is in power connection with a first motor 41 fixedly arranged in the left end wall of the fixed block 10 on the right side, a first sliding hole 36 penetrating left and right is arranged in the fixed block 10 on the left side, a first sliding rod 35 fixedly connected with the fixed block 10 on the right side is slidably arranged in the first sliding hole 36, worm wheel cavities 15 are arranged in the end walls on opposite sides of the two fixed blocks 10 on the left and right sides, climbing devices 99 climbing along the support rods of the wind power generating device are arranged in the worm wheel cavities 15, the climbing devices 99 include worms 11 rotatably arranged in the worm wheel cavities 15, the tail end of the worm 11 on the right side extends into a gear cavity 46 arranged in the right side end wall of the worm cavity 15 on the right side, the tail end of the worm is fixedly provided with a first gear 45, a spline housing 21 is rotatably arranged in the right side end wall of the gear cavity 46, a spline hole 22 which is communicated with the left and the right is arranged in the spline housing 21, a spline shaft 23 is connected in the spline hole 22 in a spline manner, a clamping device 98 used for clamping a turbine blade is fixedly arranged at the right side tail end of the spline shaft 23, a pushing cavity 18 with a rightward opening is arranged in the left side end wall of the gear cavity 46, a second motor 20 is arranged in the top wall of the pushing cavity 18, a pushing wheel 19 is fixedly arranged at the tail end of an output shaft of the second motor 20, the pushing wheel 19 rotates to push the spline shaft 23 to move, so that the center positions of the, slidable is provided with sliding block 29 in the sliding chamber 30, rotatable be provided with in the sliding block 29 left side end wall with the third gear 43 of the second gear 42 meshing that spline housing 21 external fixation set up, the right side be provided with the decurrent recess 31 of opening in the fixed block 10 diapire, slidable is provided with balancing weight 32 in the recess 31, be provided with wire winding chamber 27 in the sliding block 29, rotatable reel 25 surface that sets up in wire winding chamber 27 around be equipped with balancing weight 32 fixed connection's 51 of acting as go-between, work as fixed block 10 moves up the drive can drive after being straightened by the 51 of acting as go-between 51 shifts up.
Advantageously, the climbing device 99 comprises rotating cavities 40 symmetrically arranged in front and rear end walls of the worm wheel cavity 15, a first rotating shaft 14 penetrating through the worm wheel cavity 15 is rotatably arranged between the front rotating cavity 40 and the rear rotating cavity 40, a rubber wheel 39 is fixedly arranged at the tail end of the first rotating shaft 14 in the rotating cavity 40, a worm wheel 12 meshed with the worm 11 is fixedly arranged on the outer surface of the first rotating shaft 14 in the worm wheel cavity 15, and the worm 11 is in power connection with a third motor 16 arranged in the end walls of the worm wheel cavity 15.
Advantageously, the clamping device 98 comprises the fixing ring 47, a mounting hole 50 is arranged in the fixing ring 47 and penetrates up and down, second threaded holes 49 are symmetrically distributed in the end wall of the mounting hole 50 and penetrate through the end wall of the mounting hole 50, and second threaded rods 48 for clamping the turbine blades are connected in the second threaded holes 49 in an internal thread mode.
Advantageously, a spring 28 is arranged between the spring 28 and the bottom wall of the sliding cavity 30, a first hinge rod 34 is hinged to the left end wall of the sliding block 29, the first hinge rod 34 is hinged to the end of a second hinge rod 33 rotatably arranged on the outer surface of the worm 11, and a fourth gear 44 meshed with the third gear 43 and the first gear 45 is fixedly arranged on the hinge shaft.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
Sequence of mechanical actions of the whole device:
moving the device of the invention to make the rubber wheels 39 located at both sides of the wind power generation device support bar, starting the first motor 41 to drive the left fixed block 10 to move rightwards, thereby driving the rubber wheels 39 to move rightwards, when the left and right rubber wheels 39 firmly clamp the wind power generation device support bar, placing the wind power generation turbine blade upside down into the mounting hole 50, manually rotating the second threaded rod 48 arranged in the end wall of the fixed ring 47, thereby fixing the wind power generation turbine blade on the fixed ring 47, starting the third motor 16 to drive the worm 11 to rotate, the worm 11 to rotate the worm wheel 12 to rotate, thereby driving the rubber wheels 39 to rotate, thereby driving the fixed block 10 to move upwards along the wind power generation device support bar, meanwhile, the right worm 11 to rotate to drive the first gear 45 to rotate, thereby driving the fourth gear 44 to rotate, and thus driving the second gear 42 to rotate, and thus driving the spline housing 21 to rotate, and thus driving the spline shaft 23 to rotate, and thus driving the fixing ring 47 to rotate, and thus driving the wind turbine blade to rotate, at this time, the counter weight 32 pulls the pull wire 51 downward, the pull wire 51 drives the reel 25 to rotate, when all the pull wires 51 on the reel 25 are pulled straight, the wind turbine blade rotates for half a revolution, at this time, the counter weight 32 pulls the reel 25 downward, thereby driving the slide block 29 to move downward, and thus driving the third gear 43 to separate from the second gear 42, at this time, the fixing block 10 continues to move upward, the wind turbine blade does not rotate any more, at this time, the wind turbine blade moves upward along with the fixing block 10, when the wind power generation turbine blade moves upwards to be flush with the blade mounting hole on the turbine, the second motor 20 is started to drive the sliding block 29 to rotate to push the spline shaft 23, so that the wind power generation turbine blade is adjusted to be aligned with the blade mounting hole on the turbine, and the fixing block 10 drives the blade mounting hole on the turbine to continuously move upwards to be inserted into the blade mounting hole on the turbine, so that the blade is convenient to mount.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. An apparatus for wind turbine blade mounting comprising two fixed blocks arranged in bilateral symmetry, characterized in that: the left fixed block is internally provided with first threaded holes which are bilaterally symmetrical, the first threaded holes are connected with first threaded rods in a threaded manner, the first threaded rods are in power connection with a first motor fixedly arranged in the left end wall of the right fixed block, the left fixed block is internally provided with first sliding holes which are communicated left and right, the first sliding holes are internally provided with first sliding rods fixedly connected with the right fixed block in a sliding manner, the end walls of the left fixed block and the right fixed block on one side opposite to each other are internally provided with worm wheel cavities, the worm wheel cavities are internally provided with climbing devices climbing along a supporting rod of wind power generation equipment, each climbing device comprises a worm rotatably arranged in the worm wheel cavity, the tail end of the worm on the right side extends into a gear cavity arranged in the right end wall of the worm wheel cavity on the right side, the tail end of the worm, a spline hole which is communicated from left to right is arranged in the spline sleeve, a spline shaft is connected in the spline hole through a spline, a clamping device used for clamping a turbine blade is fixedly arranged at the tail end of the right side of the spline shaft, a pushing cavity with a right opening is arranged in the end wall of the left side of the gear cavity, a second motor is arranged in the top wall of the pushing cavity, a pushing wheel is fixedly arranged at the tail end of the output shaft of the second motor, the pushing wheel can rotate to push the spline shaft to move so as to adjust the central position of the turbine blade and the mounting hole, a sliding cavity with a left opening is arranged in the end wall of the right side of the gear cavity, a sliding block is slidably arranged in the sliding cavity, a third gear meshed with a second gear fixedly arranged on the outer surface of the spline sleeve is rotatably arranged, the sliding block is provided with a sliding block, a wire winding cavity is arranged in the sliding block, the outer surface of a reel, which is rotatably arranged in the wire winding cavity, is wound with a pull wire fixedly connected with the sliding block, and when the fixed block moves upwards to drive the pull wire to move upwards after being straightened.
2. An apparatus for wind turbine blade mounting according to claim 1, wherein: the climbing device comprises rotating cavities symmetrically arranged in the front end wall and the rear end wall of the worm wheel cavity, a first rotating shaft penetrating through the worm wheel cavity is rotatably arranged between the front rotating cavity and the rear rotating cavity, a rubber wheel is fixedly arranged at the tail end of the first rotating shaft in the rotating cavity, a worm wheel meshed with the worm is fixedly arranged on the outer surface of the first rotating shaft in the worm wheel cavity, and the worm is in power connection with a third motor arranged in the end wall of the worm wheel cavity.
3. An apparatus for wind turbine blade mounting according to claim 1, wherein: the clamping device comprises the fixing ring, a mounting hole which is through up and down is formed in the fixing ring, second threaded holes which penetrate through the end wall of the mounting hole are formed in the end wall of the mounting hole in a central symmetric mode, and a second threaded rod which is used for clamping the turbine blade is connected with the second threaded hole in an inner threaded mode.
4. An apparatus for wind turbine blade mounting according to claim 1, wherein: the spring with be provided with the spring between the sliding chamber bottom wall, the articulated first articulated rod that is connected with on the sliding block left side end wall, first articulated rod with the worm surface rotates the terminal articulated connection of the second articulated rod that sets up and articulated shaft on fixedly be provided with the third gear and the equal engaged fourth gear of first gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143728.9A CN110671276B (en) | 2019-11-20 | 2019-11-20 | Device for mounting a wind turbine blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143728.9A CN110671276B (en) | 2019-11-20 | 2019-11-20 | Device for mounting a wind turbine blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110671276A true CN110671276A (en) | 2020-01-10 |
| CN110671276B CN110671276B (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911143728.9A Active CN110671276B (en) | 2019-11-20 | 2019-11-20 | Device for mounting a wind turbine blade |
Country Status (1)
| Country | Link |
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| CN (1) | CN110671276B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688808A (en) * | 2002-05-27 | 2005-10-26 | 威斯塔斯风力系统公开有限公司 | Methods of handling wind turbing blades and mounting said blades a wind turbine, system and gripping unit for handling a wind turbine blade |
| CN2777235Y (en) * | 2005-04-06 | 2006-05-03 | 阚世忠 | Net work frame structure functional tower for wind-power electric generator |
| CN101060294A (en) * | 2006-04-19 | 2007-10-24 | 王存义 | Eight-energy efficient wind/solar generator |
| JP2008309098A (en) * | 2007-06-15 | 2008-12-25 | Ebara Corp | Windmill with blade washing equipment |
| CN101765558A (en) * | 2007-04-30 | 2010-06-30 | 维斯塔斯风力系统集团公司 | A mounting device |
| CN101983287A (en) * | 2007-12-21 | 2011-03-02 | 维斯塔斯风力系统集团公司 | A method for handling and/or servicing components of a wind turbine and a gripping apparatus for performing the method |
| KR20130143425A (en) * | 2012-06-21 | 2013-12-31 | 삼성중공업 주식회사 | Blade maintenance platform for wind turbine |
| CN103597203A (en) * | 2011-06-09 | 2014-02-19 | Pp能源有限责任公司 | Lifting device for connecting two rotor blade segments of a wind turbine |
| JP2015075037A (en) * | 2013-10-09 | 2015-04-20 | 三菱重工業株式会社 | Wind turbine blade attaching/detaching method and device |
| CN104847600A (en) * | 2015-05-05 | 2015-08-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Wind generator and tower drum thereof |
| CN104891307A (en) * | 2015-04-20 | 2015-09-09 | 中国矿业大学 | Novel climbing type wind power maintenance hoisting platform capable of bearing heavy load and using method |
| CN109642547A (en) * | 2016-06-16 | 2019-04-16 | 索列丹斯-弗莱西奈公司 | The method for handling wind turbine blade |
-
2019
- 2019-11-20 CN CN201911143728.9A patent/CN110671276B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1688808A (en) * | 2002-05-27 | 2005-10-26 | 威斯塔斯风力系统公开有限公司 | Methods of handling wind turbing blades and mounting said blades a wind turbine, system and gripping unit for handling a wind turbine blade |
| CN2777235Y (en) * | 2005-04-06 | 2006-05-03 | 阚世忠 | Net work frame structure functional tower for wind-power electric generator |
| CN101060294A (en) * | 2006-04-19 | 2007-10-24 | 王存义 | Eight-energy efficient wind/solar generator |
| CN101765558A (en) * | 2007-04-30 | 2010-06-30 | 维斯塔斯风力系统集团公司 | A mounting device |
| JP2008309098A (en) * | 2007-06-15 | 2008-12-25 | Ebara Corp | Windmill with blade washing equipment |
| CN101983287A (en) * | 2007-12-21 | 2011-03-02 | 维斯塔斯风力系统集团公司 | A method for handling and/or servicing components of a wind turbine and a gripping apparatus for performing the method |
| CN103597203A (en) * | 2011-06-09 | 2014-02-19 | Pp能源有限责任公司 | Lifting device for connecting two rotor blade segments of a wind turbine |
| KR20130143425A (en) * | 2012-06-21 | 2013-12-31 | 삼성중공업 주식회사 | Blade maintenance platform for wind turbine |
| JP2015075037A (en) * | 2013-10-09 | 2015-04-20 | 三菱重工業株式会社 | Wind turbine blade attaching/detaching method and device |
| CN104891307A (en) * | 2015-04-20 | 2015-09-09 | 中国矿业大学 | Novel climbing type wind power maintenance hoisting platform capable of bearing heavy load and using method |
| CN104847600A (en) * | 2015-05-05 | 2015-08-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Wind generator and tower drum thereof |
| CN109642547A (en) * | 2016-06-16 | 2019-04-16 | 索列丹斯-弗莱西奈公司 | The method for handling wind turbine blade |
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| Publication number | Publication date |
|---|---|
| CN110671276B (en) | 2021-01-08 |
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Effective date of registration: 20201215 Address after: 344900 building 12, small and micro entrepreneurship Park, Guangchang Industrial Park, Fuzhou City, Jiangxi Province Applicant after: Jiangxi Siyun new energy Intelligent Technology Co.,Ltd. Address before: 2 / F, No.15, Guanhai South Road, waitou Town, Xiangshan County, Ningbo City, Zhejiang Province, 315000 Applicant before: Xiangshan Glacier Intelligent Equipment Co.,Ltd. |
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Effective date of registration: 20231128 Address after: Room 2421, Diyi Ginza, No. 218 Haining Avenue, Haizhou Street, Haining City, Jiaxing City, Zhejiang Province, 314400 Patentee after: Haining Siyun New Energy Technology Co.,Ltd. Address before: 344900 building 12, small and micro entrepreneurship Park, Guangchang Industrial Park, Fuzhou City, Jiangxi Province Patentee before: Jiangxi Siyun new energy Intelligent Technology Co.,Ltd. |