CN209818217U - Outer tower construction device of tower barrel of large wind turbine generator - Google Patents
Outer tower construction device of tower barrel of large wind turbine generator Download PDFInfo
- Publication number
- CN209818217U CN209818217U CN201920618251.4U CN201920618251U CN209818217U CN 209818217 U CN209818217 U CN 209818217U CN 201920618251 U CN201920618251 U CN 201920618251U CN 209818217 U CN209818217 U CN 209818217U
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- China
- Prior art keywords
- hoop body
- rope
- seat
- screw rod
- positioning mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
-
- 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
Abstract
The utility model discloses an external tower construction device of a large-scale wind turbine tower, which comprises an upper shell ring and a lower shell ring, wherein the lower part of the upper shell ring is provided with an upper positioning mechanism, the upper part of the lower shell ring is provided with a lower positioning mechanism, the upper positioning mechanism comprises an upper hoop body I, an upper hoop body II and an upper positioning seat, the upper positioning seat is provided with a guide hole and an upper rope threading hole, and the upper hoop body I and the upper hoop body II are provided with upper rope guiding holes; the lower positioning mechanism comprises a lower hoop body I, a lower hoop body II and a lower positioning seat, a guide column and a lower rope penetrating hole are arranged on the lower positioning seat, and lower rope guiding holes are correspondingly processed on the lower hoop body I and the lower hoop body II; the upper hoop body I and the upper hoop body II as well as the lower hoop body I and the lower hoop body II are connected through a tensioner, a pull rope penetrates through the upper rope penetrating hole, and the pull rope sequentially penetrates through the upper rope penetrating hole, the lower rope penetrating hole and then is connected with a pull rope motor. The device not only can realize quick assembly positioning and improve the assembly efficiency, but also can greatly improve the assembly precision and the coaxiality of the shell ring.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, concretely relates to outer construction equipment of tower of large-scale wind turbine generator system tower section of thick bamboo.
Background
Wind energy is increasingly gaining attention as a renewable clean energy source. The wind generating set comprises a tower and an engine room arranged on the tower. When the wind power industry has just come into the spotlight, a tower barrel generally adopts a steel structure form, however, along with the development of the wind power industry and the innovation of the technology, the requirement of engineering economy cannot be considered when the high requirement of strength is met by a steel tower frame, in the prior art, a concrete tower barrel applied to a large-scale wind generating set is produced at the time of operation, the concrete tower barrel is divided into a prefabrication form and a cast-in-place form, the construction period of the cast-in-place concrete tower barrel is long, the requirement of rapid construction of a wind power plant cannot be met, and more attention is paid to the prefabricated assembled concrete tower. The prefabricated tower drum is generally divided into a plurality of sections of prefabricated components, a plurality of drum sections are sequentially hoisted and spliced into a whole during tower drum assembling construction, and then all the drum sections are connected and fixed through anchoring devices, so that all the drum sections form a whole. However, the barrel sections are affected by the installation position and wind power in the field assembly, and during installation, the barrel sections are easy to swing under the action of the wind power, so that the positioning and installation difficulty of the barrel sections is greatly increased, the installation efficiency is low, the adjacent two assembled tower barrel sections can deflect, finally, the perpendicularity of the tower barrel is poor, the tower barrel is eccentric, and the overall safety of the wind generating set is affected. Therefore, a structure is reasonably developed. The tower external construction device of the tower barrel of the large-scale wind turbine generator set, which is easy to operate, can realize quick assembly and positioning and can ensure the assembly effect, is objectively needed.
Disclosure of Invention
An object of the utility model is to provide a rational in infrastructure, easy to operate, can realize fast assembly location, can guarantee the tower outer construction equipment of the large-scale wind turbine generator system tower section of thick bamboo of equipment effect again.
The utility model aims at realizing like this, including last shell ring and lower shell ring, its characterized in that: the lower part of the upper shell ring is movably provided with an upper positioning mechanism, the upper part of the lower shell ring is provided with a lower positioning mechanism, the upper positioning mechanism comprises an upper hoop body I and an upper hoop body II which are symmetrically arranged, at least 1 upper positioning seat is respectively arranged on the upper hoop body I and the upper hoop body II, the bottom of the upper positioning seat is provided with an upper supporting rod, the middle part of the upper positioning seat is provided with a guide hole, an upper rope threading hole is processed on the upper positioning seat positioned on one side of the guide hole, an upper fixing block is arranged on the side edge of the upper positioning seat on the other side, an upper connecting rod is arranged on the upper fixing block, an upper arc clamping plate is arranged on the upper connecting rod, upper rope guiding holes are correspondingly processed on an upper hoop body I and an upper hoop body II below the upper rope threading hole, and transition holes are correspondingly processed on the upper hoop body I and the upper hoop body II below the guide hole;
the lower positioning mechanism comprises a lower hoop body I and a lower hoop body II which are symmetrically arranged, lower positioning seats matched with the upper positioning seats are respectively arranged on the lower hoop body I and the lower hoop body II, a lower supporting rod is arranged at the bottom of each lower positioning seat, a guide post matched with the guide hole is arranged in the middle of each lower positioning seat, a lower rope penetrating hole is machined in the lower positioning seat positioned on one side of each guide post, a lower fixing block is arranged on the side edge of the lower positioning seat on the other side of each guide post, a lower connecting rod is arranged on each lower fixing block, a lower arc clamping plate is arranged on each lower connecting rod, and lower rope guiding holes are correspondingly machined in the lower hoop body I and the lower hoop body II below the lower; the two sides between the upper hoop body I and the upper hoop body II and the two sides between the lower hoop body I and the lower hoop body II are respectively connected through a tensioner, a pull rope penetrates through each upper rope penetrating hole, and the pull ropes sequentially penetrate through the upper rope penetrating holes, the lower rope penetrating holes and then are connected with a pull rope motor fixed on the ground.
Furthermore, the tensioner comprises an adjusting motor and a screw rod, wherein the adjusting motor is arranged on one hoop body of the upper positioning mechanism and the lower positioning mechanism, the other hoop body of the upper positioning mechanism and the lower positioning mechanism is provided with an adjusting seat, one end of the screw rod is in transmission connection with the adjusting motor, the other end of the screw rod is in threaded connection with the adjusting seat, and the tensioner between two sides of the two hoop bodies on the upper positioning mechanism and the lower positioning mechanism is arranged oppositely.
Furthermore, a protective plate is arranged on the edge of the hoop body provided with the adjusting motor.
Furthermore, the upper connecting rod and the lower connecting rod are respectively provided with a buffer spring.
Furthermore, the concave surfaces of the upper arc clamping plate and the lower arc clamping plate are provided with rubber.
Further, the outer sides of the upper hoop body I and the upper hoop body II are respectively provided with an upper hinge seat, the upper hinge seat is hinged with an adjusting rod, the adjusting rod is of a telescopic structure, the other end of the adjusting rod is hinged and installed on the lower hinge seat, and the lower hinge seat is installed on the ground.
Furthermore, the adjusting rod comprises an upper screw rod, an adjusting pipe sleeve and a lower screw rod, the upper end of the upper screw rod is hinged to the upper hinged seat, threads are arranged at the lower end of the upper screw rod, the lower end of the lower screw rod is hinged to the lower hinged seat, threads in the direction opposite to that of the threads of the upper screw rod are machined at the upper end of the lower screw rod, and the two ends of the adjusting sleeve are in threaded connection with the threads arranged on the upper screw rod and the lower screw rod respectively
The utility model discloses an innovation point lies in: the device has the advantages that the assembly and positioning of the cylindrical sections are carried out by adopting the matching of the upper positioning mechanism and the lower positioning mechanism, when the adjacent two cylindrical sections are assembled and positioned, the stay cord motor pulls the stay cord to drive the upper positioning mechanism to draw close to the lower positioning mechanism, the guide post is penetrated in the guide hole, so that the guide and positioning of the upper and lower adjacent two cylindrical sections are realized, meanwhile, the clamping force of the arc clamping plate on the cylindrical section can be quickly adjusted through the tightener, the situation that the hoop body slides down relative to the cylindrical sections is avoided, the device has simple structure and easy operation, not only can realize the quick assembly and positioning of the upper and lower adjacent two cylindrical sections, improve the assembly efficiency, but also can thoroughly avoid the tower drum swinging phenomenon generated by the high altitude wind force action, thereby ensuring the integral verticality of the tower drum assembly, avoiding the influence on the use safety of the tower drum by the whole tower drum, and, has good popularization and utilization value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the lower positioning mechanism;
FIG. 3 is a schematic top view of the upper positioning mechanism;
in the figure: 1-a rope pulling motor, 2-a lower barrel section, 3-a rope, 4-a lower hinged seat, 5-a lower screw rod, 6-an adjusting sleeve, 7-a lower hoop body I, 8-an upper screw rod, 9-a lower positioning seat, 10-an upper hinged seat, 11-an upper hoop body I, 12-an upper rope threading hole, 13-an upper positioning seat, 14-an upper arc splint, 15-a buffer spring, 16-an upper connecting rod, 17-a guide column, 18-a lower arc splint, 19-a lower connecting rod, 20-a lower supporting rod, 21-an upper fixing block, 22-a guide hole, 23-an upper supporting column, 24-an upper hoop body II, 25-an upper rope guiding hole, 26-a transition hole, 27-a lower rope threading hole, 28-a lower hoop body II, 29-a lower rope guiding hole, 30-a lower fixing block, 31-upper cylinder section, 32-protection plate, 33-adjusting seat, 34-screw rod, 35-adjusting motor and 36-rubber.
Detailed Description
The following further describes the present invention with reference to the attached drawings, but the present invention is not limited in any way, and any changes or improvements based on the teaching of the present invention all belong to the protection scope of the present invention.
As shown in figures 1-3, the utility model discloses an go up shell ring 31 and lower shell ring 2, the lower part movable mounting of going up shell ring 31 has last positioning mechanism, positioning mechanism is installed down on the upper portion of lower shell ring 2.
The upper positioning mechanism comprises an upper hoop body I11 and an upper hoop body II 24 which are symmetrically arranged, the upper hoop body I11 and the upper hoop body II 24 comprise a chassis and a guard plate arranged on the outer circumference of the chassis, at least 1 upper positioning seat 13 is respectively arranged on the upper hoop body I11 and the upper hoop body II 24, an upper supporting rod 23 is arranged at the bottom of the upper positioning seat 13, the lower end of the upper supporting rod 23 is fixedly arranged on the chassis of the upper hoop body I11 and the upper hoop body II 24, a guide hole 22 is processed in the middle of the upper positioning seat 13, an upper rope penetrating hole 12 is processed on the upper positioning seat 13 positioned on one side of the guide hole 22, an upper fixing block 21 is arranged on the side edge of the upper positioning seat 13 on the other side, an upper connecting rod 16 is arranged on the upper fixing block 21, an upper arc clamping plate 14 is arranged on the upper connecting rod 16, and upper rope guiding holes 25 are correspondingly processed on the upper hoop body I11 and the upper hoop body II 24, transition holes 26 are correspondingly formed in the upper hoop body I11 and the upper hoop body II 24 below the guide hole 22.
The lower positioning mechanism comprises a lower hoop body I7 and a lower hoop body II 28 which are symmetrically arranged, a lower positioning seat 9 matched with the upper positioning seat 13 is respectively arranged on the lower hoop body I7 and the lower hoop body II 28, the structures of the lower hoop body I7 and the lower hoop body II 28 are the same as the structures of the upper hoop body I11 and the upper hoop body II 24, the bottom of the lower positioning seat 9 is provided with a lower support rod 20, the lower end of the lower support rod 20 is fixedly arranged on the chassis of the lower hoop body I7 and the lower hoop body II 28, the middle part of the lower positioning seat 9 is provided with a guide post 17 matched with the guide hole 22, a lower rope-penetrating hole 27 is processed on the lower positioning seat 9 positioned at one side of the guide post 17, a lower fixing block 30 is arranged at the side edge of the lower positioning seat 9 at the other side, the lower fixing block 30 is provided with a lower connecting rod 19, the lower connecting rod 19 is provided with a lower arc clamping plate 18, and lower rope leading holes 29 are correspondingly processed on the lower hoop body I7 and the lower hoop body II 28 below the lower rope passing hole 27.
The two sides between the upper hoop body I11 and the upper hoop body II 24 and the two sides between the lower hoop body I7 and the lower hoop body II 28 are respectively connected through a tensioner, a pull rope 3 penetrates through each upper rope penetrating hole 12, and the pull rope 3 penetrates through an upper rope guiding hole 25, a lower rope penetrating hole 27 and a lower rope guiding hole 29 in sequence and then is connected with a pull rope motor 1 fixed on the ground.
When the device is used for assembling and positioning two adjacent upper and lower cylindrical sections, the lower positioning mechanism is firstly arranged at the upper part of the lower cylindrical section 28, then the lower hoop body I7 and the lower hoop body II 28 are controlled to move oppositely through the tensioner, the lower circular arc splint 18 on the lower hoop body I7 and the lower hoop body II 2 tightly clasp the lower cylindrical section 2, then the upper positioning mechanism is arranged at the lower part of the upper cylindrical section 31, the tensioner is used for controlling the upper hoop body I11 and the upper hoop body II 24 to move oppositely, the upper circular arc splint 14 on the upper hoop body I11 and the upper hoop body II 24 applies clasping force to the upper cylindrical section 31, then the upper cylindrical section 31 is hoisted above the lower cylindrical section 2 through the crane, the pull rope 3 sequentially passes through the upper rope guiding hole 25, the lower rope penetrating hole 27 and the lower rope guiding hole 29 and then is connected to the pull rope motor 1, the upper hoop body I11 is arranged above the lower hoop body I7, and the upper hoop body II 24 is arranged above the lower cylindrical section 28, the upper rope penetrating hole 25 and the lower rope penetrating hole 27 are aligned, the guide column 17 and the guide hole 22 are positioned, at the moment, the pull rope 3 is driven by the pull rope motor 1 to pull the upper barrel section 31 to be in butt joint with the lower barrel section 2, so that guiding and positioning of the upper barrel section 31 and the lower barrel section 2 can be achieved, after the upper barrel section 31 and the lower barrel section 2 are in butt joint and assembled, the pull rope motor 1 rotates reversely, the pull rope 3 is loosened, the tightener is controlled to enable the upper hoop body I11 and the upper hoop body II 24 to loosen the upper barrel section 31, the lower hoop body I7 and the lower hoop body II 28 loosen the lower barrel section 2, and finally the upper barrel section and the lower barrel section are separated into two parts, and the next barrel section can be assembled and positioned after being taken down.
In order to adjust the use convenience, the tensioner comprises an adjusting motor 35 and a screw rod 34, the adjusting motor 35 is installed on one hoop body of the upper positioning mechanism and the lower positioning mechanism, the other hoop body of the upper positioning mechanism and the lower positioning mechanism is provided with an adjusting seat 33, one end of the screw rod 34 is in transmission connection with the adjusting motor 35, the other end of the screw rod is in threaded connection with the adjusting seat 33, the screw rod 34 can be driven to rotate through the adjusting motor 35, the tensioner is used for enabling the upper hoop body I11 and the upper hoop body II 24 to clamp the upper barrel section 31 and enabling the lower hoop body I7 and the lower hoop body II 28 to clamp the lower barrel section 2, and the tensioner between the two sides of the two hoop bodies on the upper positioning mechanism and the lower positioning mechanism is arranged oppositely, so that the upper hoop body I11 and the upper hoop body II 24 and the lower hoop body I7 and the lower hoop body II 28 can be ensured to move oppositely, and accordingly the upper hoop body I11 and the upper hoop body II 24 can clamp the upper barrel section 31, and the holding force of the lower hoop body I7 and the lower hoop body II 28 to the lower barrel section 2 is moderate and uniform.
In order to avoid the damage to the upper shell ring 31 and the lower shell ring 2 caused by the over-tight holding force of the upper hoop body I11 and the upper hoop body II 24 on the upper shell ring and the over-tight holding force of the lower hoop body I7 and the lower hoop body II 28 on the lower shell ring, a protective plate 32 is installed on the edge of the hoop body provided with the adjusting motor 35.
Further, the upper link 16 and the lower link 19 are respectively provided with a buffer spring 15, and under the elastic stress of the buffer spring 15, the holding force of the upper arc clamp 14 to the upper barrel section 31 and the holding force of the lower arc clamp 18 to the lower barrel section 2 can be kept stable.
Furthermore, the concave surfaces of the upper arc clamping plate 14 and the lower arc clamping plate 18 are provided with rubber 36, so that the friction force between the upper arc clamping plate 14 and the upper cylinder section 31 and between the lower arc clamping plate 18 and the lower cylinder section 2 can be further increased, and the holding force can be further improved.
In order to further improve the assembly precision between two upper and lower adjacent cylinder sections, the outer sides of the upper hoop body I11 and the upper hoop body II 24 are respectively provided with an upper hinge seat 10, the upper hinge seat 10 is hinged with an adjusting rod, the adjusting rod is of a telescopic structure, the other end of the adjusting rod is hinged on a lower hinge seat 4, the lower hinge seat 4 is arranged on the ground, the verticality of the two upper and lower adjacent cylinder sections can be adjusted and corrected through the arrangement of the adjusting rod, preferably, the adjusting rod comprises an upper screw rod 8, an adjusting sleeve 6 and a lower screw rod 5, the upper end of the upper screw rod 8 is hinged with the upper hinge seat 10, the lower end of the upper screw rod 5 is provided with threads, the lower end of the lower screw rod 5 is hinged with the lower hinge seat 4, the upper end of the adjusting rod is provided with threads with the direction opposite to that of the upper screw rod 8, the two ends of the adjusting sleeve 6 are respectively in threaded, the adjusting sleeve 6 is rotated, and the lengths of the upper screw 8 and the lower screw 5 can be adjusted simultaneously through two screw transmissions in opposite directions, so that the telescopic adjustment of the adjusting rod is realized.
Claims (7)
1. An external tower construction device of a tower barrel of a large-scale wind turbine generator comprises an upper barrel section (31) and a lower barrel section (2), and is characterized in that the lower part of the upper barrel section (31) is movably provided with an upper positioning mechanism, the upper part of the lower barrel section (2) is provided with a lower positioning mechanism,
the upper positioning mechanism comprises an upper hoop body I (11) and an upper hoop body II (24) which are symmetrically arranged, at least 1 upper positioning seat (13) is respectively arranged on the upper hoop body I (11) and the upper hoop body II (24), an upper supporting rod (23) is arranged at the bottom of the upper positioning seat (13), a guide hole (22) is processed in the middle of the upper positioning seat (13), an upper rope threading hole (12) is processed on the upper positioning seat (13) positioned at one side of the guide hole (22), an upper fixing block (21) is arranged at the side edge of the upper positioning seat (13) at the other side, an upper connecting rod (16) is arranged on the upper fixing block (21), an upper arc clamping plate (14) is arranged on the upper connecting rod (16), an upper rope leading hole (25) is correspondingly processed on the upper hoop body I (11) and the upper hoop body II (24) below the upper rope threading hole (12), transition holes (26) are correspondingly processed on the upper hoop body I (11) and the upper hoop body II (24) below the guide hole (22);
the lower positioning mechanism comprises a lower hoop body I (7) and a lower hoop body II (28) which are symmetrically arranged, the lower hoop body I (7) and the lower hoop body II (28) are respectively provided with a lower positioning seat (9) matched with the upper positioning seat (13), a lower support rod (20) is arranged at the bottom of the lower positioning seat (9), a guide post (17) matched with the guide hole (22) is arranged in the middle of the lower positioning seat (9), a lower rope penetrating hole (27) is processed on the lower positioning seat (9) positioned at one side of the guide post (17), a lower fixing block (30) is arranged at the side edge of the lower positioning seat (9) at the other side, a lower connecting rod (19) is arranged on the lower fixing block (30), a lower arc clamping plate (18) is arranged on the lower connecting rod (19), a lower rope leading hole (29) is correspondingly processed on the lower hoop body I (7) and the lower hoop body II (28) below the lower rope penetrating hole (27);
the two sides between the upper hoop body I (11) and the upper hoop body II (24) and the two sides between the lower hoop body I (7) and the lower hoop body II (28) are respectively connected through a tensioner, each upper rope threading hole (12) is internally provided with a pull rope (3) in a penetrating mode, and the pull rope (3) sequentially penetrates through the upper rope guiding hole (25), the lower rope threading hole (27) and the lower rope guiding hole (29) and then is connected with a pull rope motor (1) fixed on the ground.
2. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 1, wherein: the tensioner comprises an adjusting motor (35) and a screw rod (34), wherein the adjusting motor (35) is arranged on one hoop body of the upper positioning mechanism and the lower positioning mechanism, the adjusting seat (33) is arranged on the other hoop body of the upper positioning mechanism and the lower positioning mechanism, one end of the screw rod (34) is in transmission connection with the adjusting motor (35), the other end of the screw rod is in threaded connection with the adjusting seat (33), and the tensioner between two sides of the two hoop bodies on the upper positioning mechanism and the lower positioning mechanism is arranged oppositely.
3. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 1, wherein: and a protective plate (32) is arranged on the edge of the hoop body provided with the adjusting motor (35).
4. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 1, wherein: and the upper connecting rod (16) and the lower connecting rod (19) are respectively provided with a buffer spring (15).
5. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 1, wherein: the concave surfaces of the upper arc clamping plate (14) and the lower arc clamping plate (18) are provided with rubber (36).
6. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 1, wherein: go up the hoop body I (11) and install articulated seat (10) respectively with the outside of last hoop body II (24), go up articulated seat (10) and go up the articulated regulation pole of installing, adjust the pole and be telescopic structure, the articulated installation of the other end of adjusting the pole is on articulated seat (4) down, articulated seat (4) are installed subaerial down.
7. The external tower construction device for the tower barrel of the large wind turbine generator set according to claim 6, wherein: the adjusting rod comprises an upper screw rod (8), an adjusting sleeve (6) and a lower screw rod (5), the upper end of the upper screw rod (8) is hinged to an upper hinged seat (10), the lower end of the upper screw rod is provided with threads, the lower end of the lower screw rod (5) is hinged to a lower hinged seat (4), threads opposite to the threads of the upper screw rod (8) are machined at the upper end of the upper screw rod, and the two ends of the adjusting sleeve (6) are connected with the threads arranged on the upper screw rod (8) and the lower screw rod (5) in a screwed mode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920618251.4U CN209818217U (en) | 2019-04-30 | 2019-04-30 | Outer tower construction device of tower barrel of large wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920618251.4U CN209818217U (en) | 2019-04-30 | 2019-04-30 | Outer tower construction device of tower barrel of large wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818217U true CN209818217U (en) | 2019-12-20 |
Family
ID=68882561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920618251.4U Expired - Fee Related CN209818217U (en) | 2019-04-30 | 2019-04-30 | Outer tower construction device of tower barrel of large wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818217U (en) |
-
2019
- 2019-04-30 CN CN201920618251.4U patent/CN209818217U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20200430 |