CN208416800U - Wind power generating set and its tower - Google Patents
Wind power generating set and its tower Download PDFInfo
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- CN208416800U CN208416800U CN201820740899.4U CN201820740899U CN208416800U CN 208416800 U CN208416800 U CN 208416800U CN 201820740899 U CN201820740899 U CN 201820740899U CN 208416800 U CN208416800 U CN 208416800U
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model relates to technical field of wind power generation, particularly disclose a kind of wind-driven generator and its tower, the tower includes at least one section in short transverse, by at least three tower components, along the circumferential direction successively head and the tail splicing forms each cylinder section, the adjacent tower component mutually splices and has cooperatively formed in the height direction cavity volume, and the adjacent tower component is connected and fixed by the grouting material being filled in the cavity volume.Each of the utility model tower tin section is made of mutually isostructural tower component assembly, is enormously simplified mold design, is reduced costs.And being connected and fixed between tower component is realized by longitudinal joint groove structure, connection is safe and reliable；The utility model further discloses a kind of wind power generating set.
Description
Technical field
The utility model relates to technical field of wind power generation, in particular to a kind of wind power generating set and its tower.
Background technique
Wind power generating set is the equipment for converting wind energy into electric energy, and wind energy is that technology is the most in current clean energy resource field
Mature, most large-scale development novel renewable energy, as the requirement of environmental protection is higher and higher, wind generating technology is able to fast
Hail exhibition.
Tower is used to support entire host, is the basis of wind power generating set.As wind-power electricity generation key area is from three Norths
Area is shifted to low wind speed areas such as the middle and south, to make some low wind speed area power generations be developed into possibility, high tower/superelevation tower
The application of cylinder (wheel hub superelevation is more than 120 meters) becomes only choosing.The flexible tower of high tower, concrete tower, steel reinforced concrete tower,
The structure types such as truss-like tower.Concrete tower is big with its rigidity, and durability is good, anti-fatigue performance is good, maintenance cost is low etc.
Advantage is grown rapidly.
Concrete tower is divided into the forms such as cast-type, prefabricated assembled and in-situ deposited prefabricated combined type, prefabricated assembled mixed
Solidifying soil tower is divided into two kinds of tower of whole concrete tower and steel-concrete mixing, predominantly columnar structured, according to the height of cylinder piece
Degree can be divided into segmented and split blade type again.The cylinder section height of segmented tower is controlled at 4 meters or so, and the cylinder section being relatively large in diameter is divided into
Two semi-rings are spliced；Substantially at 10 meters or more, cylinder section is divided into 4 or 6 and is showed the cylinder section height of split blade type tower
Field splicing.
Prefabricated concrete tower still mainly uses columnar structured at present, is assemblied to form by multiple arcs cylinder blade unit,
It is primarily present following deficiency:
(1) transport is inconvenient: being limited by conveyor width, height, weight, cylinder-shaped tower need to be divided into more than two half
Ring, height control is at four meters hereinafter, causing mixed segment number more, prefabricated transport installation period is long；
(2) prefabricated at high cost: to need huge interior external mold, poured using vertical, wall thickness is big, and number of molds is more, strong
Degree is high, weight is big, concrete amount is more, prefabricated at high cost；
(3) quality is uncontrollable: cylinder piece is vertical to be poured, and height is high, more demanding to what is poured, while need to be to each of concrete
Item index carries out stringent control, such as slump, mobility, bleeding isolation, and otherwise cylinder blade unit is easy to appear hole, honeycomb etc.
Defect.
Chinese patent " ZL201220336758.9, a kind of tower of wind-driven generator " proposes a kind of tower structure, by
Multiple lightweight linkage sections mutually splice composition along short transverse, and lightweight linkage section is along the circumferential direction mutually spelled by multiple lightweight members
Connect composition.Two sides are symmetrically arranged with longitudinal joint groove to each lightweight member in the circumferential direction, and the longitudinal joint groove of adjacent side is formed
Locked groove, adjacent members are attached by the lock being adhesively fixed in locked groove.The lightweight member is designed as plate armature, energy
Enough preferable reduce transport tower cost.But the longitudinal joint groove of the tower is discontinuous in short transverse, is that discontinuity is arranged
Structure, longitudinal joint connecting mode is fabricated construction, is bonded in locked groove by lock and connects adjacent lightweight member, connected
Limited strength, is suitable only for lightweight member, especially composite wood, and practicability and structure versatility be not strong.
Utility model content
The purpose of this utility model is to provide a kind of wind power generating set and its towers, to solve to exist in the prior art
Transport is inconvenient, prefabricated at high cost, technical problems such as quality is uncontrollable.
The utility model is in a first aspect, provide a kind of tower, including at least one section in short transverse, Mei Gesuo
Stating cylinder section, along the circumferential direction successively head and the tail splicing forms by least three tower components, and the adjacent tower component mutually splices simultaneously
Cavity volume has been cooperatively formed in the height direction, and the adjacent tower component is connected by the grouting material being filled in the cavity volume
Connect fixation.
Further, the tower component includes alien invasion, interior facade and the first side elevation and the second side elevation, and described
One side elevation offers the first longitudinal joint groove in the height direction, and the opening of the first longitudinal joint groove is located on the first side elevation
And Opening length is not more than the length of the first side elevation, it is recessed that second side elevation offers the second longitudinal joint in the height direction
Slot, the opening of the second longitudinal joint groove is located at the second side elevation and Opening length is not more than the length of the second side elevation；It is adjacent
The tower component mutually splices, and the first longitudinal joint groove and the second longitudinal joint groove are spliced to form the cavity volume.
Further, the first longitudinal joint groove and the second longitudinal joint groove are symmetrical relative to the center line of the tower component
Setting.
Further, the angle between first side elevation and the alien invasion, second side elevation and described outer
Angle between facade is acute angle.
Further, it is reserved between the first side elevation and the second side elevation that the adjacent tower component mutually splices predetermined
The seam of width, the seam are connected to the cavity volume, and the grouting material is also filled in the seam.
Further, the tower component includes alien invasion, interior facade, the first side elevation and the second side elevation, and described
One of one side elevation and the second side elevation offer the first longitudinal joint groove, close institute on the interior facade in the height direction
The one end for stating another one in the first side elevation and the second side elevation offers the second longitudinal joint groove in the height direction, adjacent described
Tower component mutually splices, and the first longitudinal joint groove and the second longitudinal joint groove are spliced to form the cavity volume.
Further, a alien invasion generally plane.
Further, the wall thickness of tower component two sides is equal to the wall thickness of interlude, the interior facade of the tower component
A generally plane.
Further, the wall thickness of tower component two sides is greater than the wall thickness of interlude, the interior facade of the tower component
Form concave indentation.
The second aspect of the utility model additionally provides a kind of wind power generating set, including tower described in any of the above embodiments
Cylinder.
The tower component for constituting cylinder section is designed as flat reinforced concrete structure by the utility model tower, can pass through water
Flat pouring type production, wall thickness is thin, quality controllable in casting process, can preferably guarantee the quality of tower component；Tower component
Longitudinal joint groove structure is designed in two sides, and when splicing makes cylinder section, the longitudinal joint groove of adjacent towers barrel member is spliced to form cavity volume, is holding
Being connected and fixed between tower component can be realized after the intracavitary casting concrete of product, complete the production of cylinder section, it is this to be connected and fixed
Mode bonding strength is higher, securely and reliably；By thickening the wall thickness of tower component two sides, join domain between tower component is improved
Integrated carrying ability, further ensured the connection reliability of entire cylinder section.
The longitudinal joint groove structure of all tower components is identical, and the identical tower structure of structure size can be used in same cylinder section
Part carries out assembled production, and between different cylinder sections, the structure design of tower component is identical, and only size changes, therefore need to only set
A set of size adjustable is counted to adapt to the tower element mold of different cylinder section sizes, mold design is enormously simplified, improves
Versatility reduces mold input cost.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the cross-sectional structure schematic diagram of one tower cylinder section of the utility model embodiment；
Fig. 2 is tower element cross-section structural schematic diagram in Fig. 1；
Fig. 3 be I in Fig. 1 at fill grouting material after enlarged structure schematic diagram；
Fig. 4 is the cross-sectional structure schematic diagram of two tower cylinder section of the utility model embodiment；
Fig. 5 is tower element cross-section structural schematic diagram in Fig. 4；
Fig. 6 be II in Fig. 4 at fill grouting material after enlarged structure schematic diagram；
Fig. 7 is the cross-sectional structure schematic diagram of three tower cylinder section of the utility model embodiment；
Fig. 8 is tower element cross-section structural schematic diagram in Fig. 7；
Fig. 9 be III in Fig. 7 at fill grouting material after enlarged structure schematic diagram；
Figure 10 is the cross-sectional structure schematic diagram of four tower cylinder section of the utility model embodiment；
Figure 11 is tower element cross-section structural schematic diagram in Figure 10；
Figure 12 be IV in Figure 10 at fill grouting material after enlarged structure schematic diagram.
In figure: 1, tower component；11, alien invasion；12, interior facade；13, the first side elevation；14, the second side elevation；151,
First longitudinal joint groove；152, the second longitudinal joint groove；16, cavity volume；17, grouting material；18, seam.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
To solve transport inconvenience existing for tower annular construction member, pouring the problems such as number of molds is more, pouring quality is uncontrollable,
Tower component is designed as plate armature by the utility model embodiment, and is dexterously devised between flat tower component
It is connected and fixed structure, the length of tower component and width are easily controlled in traffic coverage, and utilizes tower
Easy to operate, simple process when component splicing production tower cylinder section, structure are reliable.Specific implementation is as follows:
Embodiment one
The tower of the present embodiment, including at least one section in short transverse, as shown in Fig. 2, each section is by eight
Along the circumferential direction successively splicing forms the tower component 1 of plate armature, and cross section is octagon.
As shown in connection with fig. 1, tower component 1 is specifically edge-on by alien invasion 11, interior facade 12, the first side elevation 13 and second
The plate armature that face 14 surrounds.
Wherein, the generally plane of alien invasion 11.
To be stood convenient for the splicing between tower component 1, the first side elevation 13 of tower component 1 and the second side elevation 14 with outer
Angle α between face 11 is acute angle, i.e., from gradually inside 12 necking of facade of alien invasion 11, the specific value of angle α is according to cylinder
The practical structures design of section is configured, and in the present embodiment, cylinder section is made by eight tower component splicings, angle α tool
Body is 67.5 degree.
Further, the first side elevation 13 of tower component 1 offers the first longitudinal joint groove 151 in the height direction, right
Claim, the second side elevation 14 of tower component 1 offers the second longitudinal joint groove 152 in the height direction.
The opening of first longitudinal joint groove 151 is located on the first side elevation 13, and the opening of the second longitudinal joint groove 152 is located at second
On side elevation 14, when so that tower component 1 splicing, the first longitudinal joint groove 151 and the second longitudinal joint groove of adjacent towers barrel member 1
152 mutually splicings can form the cavity volume 16 of relative closure, and the Opening length L1 of the first longitudinal joint groove 151 is equal to or less than first
The length L2 of side elevation 13, preferably smaller than the length L2 of the first side elevation 13.Corresponding, the opening of the second longitudinal joint groove 152 is long
Spend length L2, preferably smaller than the length L2 of the second side elevation 14 that L1 is equal to or less than the second side elevation 14.
The shape of first longitudinal joint groove 151 and the second longitudinal joint groove 152 can be carried out according to specific stress condition analysis and
Design, it is contemplated that the cross-sectional shape of the convenience of Mold Making, the first longitudinal joint groove 151 and the second longitudinal joint groove 152 is excellent
Choosing is designed as the regular shapes such as triangle, polygon, arc-shaped, semicircle or half elliptic, specifically in the present embodiment, first
The cross-sectional shape of longitudinal joint groove 151 and the second longitudinal joint groove 152 is polygon, after adjacent towers barrel member 1 splices, therebetween
First longitudinal joint groove 151 and the second longitudinal joint groove 152 cooperatively form pentagonal cavity volume 16, certainly, the first longitudinal joint groove 151
With the second longitudinal joint groove 152 using irregular shape be also it is feasible, the present embodiment is not limited to this.
By designing longitudinal joint groove structure on tower component, when making cylinder section, being connected and fixed between tower component 1
Become simple and fast and safe and reliable.
It is carried out specifically below with reference to structure of the manufacturing process of cylinder section and tower to the present embodiment tower component and cylinder section
It is bright.
When making cylinder section using the splicing of tower component 1 of the present embodiment, eight tower components 1 are along the circumferential direction successively arranged
Cloth splicing forms shape shown in FIG. 1, the first side elevation 13 of adjacent towers barrel member 1 and the second mutually splicing of side elevation 14,
First longitudinal joint groove 151 and the second longitudinal joint groove 152 are mutually stitched together, and form the volume of the pentagon shaped of relative closure
Chamber 16, then the casting filling grouting material 17 in each cavity volume 16, adjacent specifically as shown in figure 3, after the solidification of grouting material 17
It is then connected and fixed by grouting material 17 between tower component 1, all tower components 1 are connected into whole for one
Body, that is, complete a cylinder section.
When making other sections of tower, various sizes of tower component only need to be selected, according to above-mentioned same method system
Work is sequentially overlapped fixation after all sections complete, then by all sections from bottom to up, can complete one
Complete tower.
To further increase the connection reliability between tower component 1, when splicing tower component 1, preferably in adjacent towers
The seam 18 of preset width, seam 18 and cavity volume 16 are reserved between the first side elevation 13 and the second side elevation 14 of barrel member 1
Connection is also cast in seam 18 filled with grouting material 17 together when grouting material 17 is filled in casting.So that adjacent towers barrel member
Mosaic face between 1 can be transferred through grouting material 17 on the whole and be attached fixation, more further improve adjacent towers barrel member
Between be fixedly connected with reliability, to further enhance the connection reliability of entire cylinder section.
In the present embodiment, grouting material 17 is preferably using high strength grouts such as concrete, certainly with the development of material
It is possible that there are also other more better choices, the present embodiment is not limited to this.
Further, to reinforce the connection reliability between tower component, the integral strength of cylinder section is improved, the present embodiment will
The wall thickness of 1 two sides of tower component thickens, i.e. the wall thickness S1 design of 1 two sides of tower component is greater than the wall thickness S2 of interlude, so that phase
The integrated carrying ability of adjacent tower component join domain is enhanced, and the force-bearing situation of each tower element joints is improved,
To reduce to the connection request at cavity volume 16 and seam 18, since 1 two sides wall thickness of tower component is greater than intermediate wall thickness, tower
The interior facade 12 of barrel member 1 is the shape for being formed with concave indentation on the whole.
Tower component is designed as flat reinforced concrete structure by the utility model, can pass through casting on flat mode system
To make, wall thickness is thin, and it is quality controllable in casting process, it can preferably guarantee the quality of tower component；Design longitudinal joint in tower component two sides
Groove structure, when splicing makes cylinder section, the longitudinal joint groove of adjacent towers barrel member is spliced to form cavity volume, is poured in cavity volume mixed
Being connected and fixed between tower component can be realized after solidifying soil, complete the production of cylinder section, it is this to be connected and fixed mode bonding strength
It is higher, securely and reliably；By thickening the wall thickness of tower component two sides, the integrated carrying energy of join domain between tower component is improved
Power has further ensured the connection reliability of entire cylinder section.
The longitudinal joint groove structure of all tower components is identical, and the identical tower structure of structure size can be used in same cylinder section
Part carries out assembled production, and between different cylinder sections, the structure design of tower component is identical, and only size changes, therefore need to only set
A set of size adjustable is counted to adapt to the tower element mold of different cylinder section sizes, mold design is enormously simplified, improves
Versatility reduces mold input cost.
Embodiment two
As shown in Figure 4-Figure 6, embodiment one is compared, two main distinction of the present embodiment is, the wall thickness of 1 two sides of tower component
The wall thickness of opposite interlude is there is no variation, and two sides wall thickness does not carry out thickening processing, and the interior facade 12 of tower component 1 is whole
For a plane.The mold design for so more simplifying tower component 1, reduces the manufacturing cost of tower component 1.In addition to this,
Other structures are substantially completely identical, thus have above-mentioned all advantages, and this is no longer going to repeat them.
Embodiment three
As shown in figs. 7 to 9, embodiment one is compared, three main distinction of the present embodiment is, the first longitudinal joint groove 151 and the
The shape of two longitudinal joint grooves 152 designs difference, thus 16 shape of cavity volume of its composition that cooperates is different, in embodiment three,
The cross-sectional shape of first longitudinal joint groove 151 and the second longitudinal joint groove 152 is half elliptic, and 16 shape of cavity volume of composition is close
Ellipse.In addition to this, other structures are substantially completely identical, thus have above-mentioned all advantages, and this is no longer going to repeat them.
Example IV
As shown in figs. 10-12, four tower of the present embodiment equally includes the cylinder section at least one short transverse, each section
It is formed by four tower components 1 are along the circumferential direction successively end to end, compared to embodiment one to embodiment three, the present embodiment four
The main distinction is the longitudinal joint groove set-up mode and structure of tower component 1, specific as follows:
Tower component 1 includes alien invasion 11, interior facade 12, the first side elevation 13 and the second side elevation 14, wherein the first side
Facade 13 offers the first longitudinal joint groove 151 in the height direction, and one end of close second side elevation 14 is in height on interior facade 12
Degree offers the second longitudinal joint groove 152 on direction, when assembled cylinder section, the along the circumferential direction successively head and the tail phase by four tower components 1
It connects, between adjacent towers barrel member 1, the tail end of the interior facade 12 of the first side elevation 13 and previous tower component of latter tower component
Docking, thus, the interior facade of the first longitudinal joint groove 151 and previous tower component on the first side elevation 13 of latter tower component
Second longitudinal joint groove 152 of 12 tail ends, which is stitched together, cooperatively forms cavity volume 16.Casting filling fills in each cavity volume 16
Slurry 17 is then connected and fixed by grouting material 17 between adjacent towers barrel member 1 after the solidification of grouting material 17, Suo Youta
Barrel member 1 is connected into as an entirety, that is, complete a cylinder section.
It should be noted that the first longitudinal joint groove 151 may be provided on the second side elevation 14, corresponding, the second longitudinal joint is recessed
Slot 152 be then arranged on interior facade 12 close to the first side elevation 13 one end be also it is feasible, the present embodiment is not limited
In this.
In addition to this, other structures and deformation with it is essentially identical in above-described embodiment, thus have above-mentioned all advantages,
This is no longer repeated one by one.
It is worth noting that aforementioned four embodiment is only that part enumerates, it is not intended to limit the utility model, except above-mentioned
Outside embodiment, it is more possible that there are also other, and the quantity for such as forming the tower component of cylinder section can be not limited only to embodiment one in fact
Eight in example three are applied, more other possibility, such as three, four, five is can also be, can all carry out according to actual needs
Design, the utility model are not limited to this.
Embodiment five
On the basis of the above, the present embodiment five additionally provides a kind of wind power generating set, which includes embodiment one
Any tower into example IV, the technical characteristic and advantage of the tower disclosed in embodiment one to example IV are also suitable
In the embodiment, therefore it is not repeated to describe.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of tower, including at least one section in short transverse, it is characterised in that: each cylinder section is by least three
Tower component (1) along the circumferential direction successively mutually splice and in short transverse by head and the tail splicing composition, the adjacent tower component (1)
On cooperatively formed cavity volume (16), the adjacent tower component (1) passes through the grouting material that is filled in the cavity volume (16)
(17) it is connected and fixed；The tower component (1) includes alien invasion (11), interior facade (12), the first side elevation (13) and second side
Facade (14), one of first side elevation (13) and the second side elevation (14) offer the first longitudinal joint in the height direction
Groove (151), on the interior facade (12) in first side elevation (13) and the second side elevation (14) another one one
End offers the second longitudinal joint groove (152) in the height direction, and the adjacent tower component (1) is mutually spliced, and described first is vertical
Seam groove (151) and the second longitudinal joint groove (152) are spliced to form the cavity volume (16).
2. tower according to claim 1, it is characterised in that: the alien invasion (11) generally plane.
3. tower according to claim 2, it is characterised in that: the wall thickness of tower component (1) two sides is equal to interlude
Wall thickness, the interior facade (12) of the tower component (1) generally plane.
4. tower according to claim 3, it is characterised in that: the wall thickness of tower component (1) two sides is greater than interlude
Wall thickness, the interior facade (12) of the tower component (1) forms concave indentation.
5. a kind of wind power generating set, it is characterised in that: including the described in any item towers of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740899.4U CN208416800U (en) | 2018-05-17 | 2018-05-17 | Wind power generating set and its tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740899.4U CN208416800U (en) | 2018-05-17 | 2018-05-17 | Wind power generating set and its tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208416800U true CN208416800U (en) | 2019-01-22 |
Family
ID=65116003
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|---|---|---|---|
| CN201820740899.4U Active CN208416800U (en) | 2018-05-17 | 2018-05-17 | Wind power generating set and its tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN208416800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412704A (en) * | 2018-05-17 | 2018-08-17 | 三重能有限公司 | Wind power generating set and its tower |
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2018
- 2018-05-17 CN CN201820740899.4U patent/CN208416800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412704A (en) * | 2018-05-17 | 2018-08-17 | 三重能有限公司 | Wind power generating set and its tower |
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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. |
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| CP01 | Change in the name or title of a patent holder |