CN211116420U - Precast concrete fan tower section of thick bamboo and tower section of thick bamboo component - Google Patents
Precast concrete fan tower section of thick bamboo and tower section of thick bamboo component Download PDFInfo
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- CN211116420U CN211116420U CN201921994972.1U CN201921994972U CN211116420U CN 211116420 U CN211116420 U CN 211116420U CN 201921994972 U CN201921994972 U CN 201921994972U CN 211116420 U CN211116420 U CN 211116420U
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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 belongs to the technical field of wind-powered electricity generation prestressing force pylon, concretely relates to precast concrete fan tower section of thick bamboo and tower section of thick bamboo component. The utility model discloses a link to each other by a plurality of monolithic precast concrete component both sides sections that have the reservation pore and constitute hoop tower drum component, pass through prestressed steel strand wires by multistage hoop tower drum component and connect, through one-level hoop tower drum component concatenation, hoist and mount one-level hoop tower drum component, multistage hoop tower drum component concatenation and hoist and mount, installation anchor, stretch-draw prestressed steel strand wires and six steps of front cover, accomplished the connection of precast concrete fan tower section of thick bamboo. The utility model discloses not only the transportation is convenient, has accelerated moreover that prefabricated component's assembly progress, construction method are simple and convenient and structure safety.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation prestressing force pylon, concretely relates to precast concrete fan tower section of thick bamboo and tower section of thick bamboo component.
Background
With the rapid development of the wind power industry, the capacity of a single machine of a wind turbine generator set is continuously increased, and in order to effectively utilize wind energy, a fan tower is also made higher. The tower is used as a bearing and supporting part of the whole wind generating set, the cost of the tower basically accounts for about one fourth of the cost of the whole fan, and the cost control is also important besides ensuring the normal operation of the wind generating set under various load conditions and the safety of the wind generating set under severe external conditions.
The commonly used tower frames are in the forms of truss type tower frames, conical steel tower frames, concrete tower barrels, steel-concrete tower barrels (the upper part is of a steel plate structure, and the lower part is of a concrete tower barrel structure) and the like. Among them, a concrete tower drum or a steel-concrete tower drum is widely used as a precast concrete tower. The precast concrete tower tube is easy to manufacture, simple to transport, convenient to install and less in influence on the ecological environment.
The traditional whole-ring or segmented prefabricated tower barrel meets the bottleneck period due to the problems of road transportation limitation, difficulty in construction and manufacturing cost reduction and the like, and needs further research and improvement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a precast concrete fan tower section of thick bamboo and tower section of thick bamboo component, aim at provide one kind can accelerate precast concrete fan tower section of thick bamboo and tower section of thick bamboo component that prefabricated component's assembly progress, construction method are simple and convenient, structure safety.
In order to achieve the above object, the utility model adopts the following technical scheme:
a prefabricated concrete fan tower barrel component comprises a plurality of single-piece prefabricated concrete components, wherein the sections on two sides of the single-piece prefabricated concrete components are connected to form an annular tower barrel component; the single-piece precast concrete member is of an arc structure with horizontal upper and lower end faces and two lateral sections which are parallel inclined planes or smooth curved surfaces, the single-piece precast concrete member is vertical along the height direction and penetrates through the upper and lower end faces to be provided with a reserved hole channel, and the reserved hole channel is vertical and penetrates through the upper and lower end faces.
The reserved hole channels are arranged in a plurality of numbers and are evenly arranged in parallel.
The reserved hole channels are provided with 4-36.
The reserved hole channel is circular, and the distance between the center of the reserved hole channel and the inner side wall and the distance between the center of the reserved hole channel and the outer side wall of the single precast concrete member are equal.
The diameter of the reserved hole channel is 10mm-100 mm.
And a PE pipe or a PVC pipe is embedded in the reserved hole.
A precast concrete wind turbine tower barrel at least comprises a precast concrete wind turbine tower barrel component, a wind turbine tower barrel foundation, a fixing line and an anchoring device; the prefabricated concrete fan tower barrel component is provided with multiple stages, the multiple stages of prefabricated concrete fan tower barrel components are sequentially connected to a fan tower barrel foundation through fixing lines from bottom to top, and side seams connected with lateral sections of the upper and lower stages of prefabricated concrete fan tower barrel components are mutually connected to form a plurality of regular spiral seam surfaces; the anchoring device is connected to the upper part of the prefabricated concrete fan tower barrel component on the uppermost layer; an anchoring operation pit is arranged at the center of the wind turbine tower drum foundation, a self-locking anchorage device is pre-buried in the anchoring operation pit, the inner diameter of the upper portion of the anchoring operation pit is smaller than the inner diameter of the lower portion of the anchoring operation pit, a through hole matched with the reserved hole channel is vertically formed in the wind turbine tower drum foundation along the periphery of the anchoring operation pit downwards, and the through hole is communicated with the lower portion of the anchoring operation pit.
A manhole door opening is arranged in each of the single-piece precast concrete components, the manhole door opening and the reserved hole are not located on the same vertical line, and the single-piece precast concrete components are located on the primary precast concrete fan tower cylinder component and connected with the fan tower cylinder foundation.
The fixing wire adopts a prestressed steel strand.
Has the advantages that:
the utility model discloses a horizontal circumferential weld seam face and the helix seam face of hoop tower section of thick bamboo component all connect through prestressing force steel strand wires, not only very big reduction because the vertical pulling force of a tower section of thick bamboo that the fan operation arouses has ensured each component connection's overall stability moreover, and transport and construction all very convenient.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic elevation view of the present invention;
FIG. 2 is a schematic view of a transverse seam and a spiral seam in an embodiment of the present invention;
FIG. 3 is a three-dimensional schematic view of a monolithic prefabricated component in an embodiment of the present invention;
fig. 4 is a schematic view of the layout of a single prefabricated element in an embodiment of the present invention;
fig. 5 is a schematic plan view of a prestressed steel strand in an embodiment of the present invention;
fig. 6 is a flow chart of the present invention.
In the figure: 1-prefabricating a concrete tower barrel; 2-single precast concrete member; 3-annular tower barrel member; 4-horizontal circular seam surface; 5-sewing the surface with a spiral line; 6-reserving a pore channel; 7-manhole door opening; 8-PVC pipe; 9-prestressed steel strands; 10-a wind turbine tower foundation; 11-anchoring operating pits; 12-anchoring means.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
the prefabricated concrete fan tower barrel component shown in the figures 1-3 comprises a plurality of single-piece prefabricated concrete components 2, wherein the sections on two sides of the single-piece prefabricated concrete components 2 are connected to form a circumferential tower barrel component 3; the monolithic precast concrete component 2 is of an arc structure with upper and lower end faces horizontal and two lateral sections 6 parallel inclined planes or smooth curved surfaces, the monolithic precast concrete component 2 is vertical along the height direction and penetrates through the upper and lower end faces to be provided with a reserved hole 6, and the reserved hole 6 is vertical and penetrates through the upper and lower end faces.
During the in-service use, link to each other and splice into annular tower section of thick bamboo component 3 with a plurality of monolithic precast concrete component 2 both sides sections, connecting the component of a tower section of thick bamboo of component soil air blower tower section of thick bamboo about going on annular tower section of thick bamboo component 3, monolithic precast concrete component 2 carries out actual dimensions design according to actual need to be convenient for transportation and installation. The single precast concrete member 2 is vertical along the height direction and penetrates through the reserved hole channel 6 arranged on the upper end surface and the lower end surface, and is used for penetrating a connecting line in specific application, so that the wind turbine tower can be conveniently built.
The technical proposal of the utility model is convenient for the transportation of the fan tower barrel component and the connection; because the specifications of the single precast concrete members 2 are the same, the construction cost of the wind turbine tower is effectively saved.
Example two:
according to a precast concrete wind turbine tower shown in fig. 1, 4 and 5, the difference from the first embodiment is that: the reserved hole channels 6 are arranged in a plurality, and the reserved hole channels 6 are evenly arranged in parallel.
Preferably, the reserved hole 6 is provided with 4-36 holes.
When in actual use, the number of the reserved holes 6 is determined according to the specific requirements of the structure of the fan tower barrel, the reserved holes are uniformly distributed along the circumferential direction of the tower barrel as far as possible, and on the basis of ensuring the construction safety, the wind power generator is convenient to install and saves the cost. The reserved hole channels 6 are uniformly arranged in parallel, so that the prefabrication and the installation of components are facilitated, and the safety is better.
Example three:
according to a precast concrete wind turbine tower shown in fig. 1, 4 and 5, the difference from the first embodiment is that: the reserved hole 6 is circular, and the distance between the center of the reserved hole 6 and the inner side wall and the outer side wall of the single precast concrete member 2 is equal.
Preferably, the diameter of the reserved hole 6 is 10mm-100 mm.
During the in-service use, the diameter of reservation pore 6 is decided according to the steel strand wires quantity and the diameter that tower section of thick bamboo atress needs, ensures that tower section of thick bamboo concrete structure is vertical to be given priority to compressive stress, has guaranteed structural safety.
Example four:
according to a precast concrete wind turbine tower shown in fig. 1, 4 and 5, the difference from the first embodiment is that: and a PE pipe or a PVC pipe 8 is embedded in the reserved hole 6.
When in actual use, pre-buried PE pipe or PVC pipe 8 in the reserved pore 6, on the one hand can guarantee that the construction of prestressed anchorage cable is convenient, and on the other hand can guarantee that anchor cable and tower section of thick bamboo are not direct contact, ensures that tower section of thick bamboo anchor cable atress earlier under the fan effect, is favorable to the structural safety of concrete.
Example five:
a precast concrete wind turbine tower according to fig. 1, comprising at least a precast concrete wind turbine tower member, a wind turbine tower foundation 10, fixing lines and anchoring means 12; the prefabricated concrete fan tower barrel component is provided with multiple stages, the multiple stages of prefabricated concrete fan tower barrel components are sequentially connected to a fan tower barrel foundation 10 through fixing lines from bottom to top, side seams connected with lateral sections of the upper and lower stages of prefabricated concrete fan tower barrel components are mutually connected to form a plurality of regular spiral seam surfaces 5; the anchoring device 12 is connected to the upper part of the prefabricated concrete fan tower barrel component on the uppermost layer; an anchoring operation pit 11 is arranged at the center of the wind turbine tower drum foundation 10, a self-locking anchorage device is pre-buried in the anchoring operation pit 11, the inner diameter of the upper portion of the anchoring operation pit 11 is smaller than the inner diameter of the lower portion, a through hole matched with the reserved hole 6 is vertically formed in the wind turbine tower drum foundation 10 along the periphery of the anchoring operation pit 11 downwards, and the through hole is communicated with the lower portion of the anchoring operation pit 11.
Preferably, the fixing wire is a prestressed steel strand 9.
In actual use, the sections on two sides of the single precast concrete members 2 are connected and spliced into a primary annular tower barrel member 3, and prestressed steel strands 9 are respectively penetrated into the reserved hole channels 6; hoisting the connected primary annular tower barrel component 3, penetrating the prestressed steel strand 9 below the annular tower barrel component 3 into a through hole on a fan tower barrel foundation 10, and stretching the prestressed steel strand 9 into an anchoring operation pit 11 in the fan tower barrel foundation 10; then, connecting and splicing the sections on the two sides of the single-piece precast concrete members 2 into a second-stage annular tower barrel member 3, and respectively penetrating prestressed steel strands 9 into reserved ducts 6 of the single-piece precast concrete members 2 in the second-stage annular tower barrel member 3; hoisting the second-level annular tower barrel component 3, connecting the prestressed steel strands 9 on the first-level annular tower barrel component 3 with the prestressed steel strands 9 of the second-level annular tower barrel component 3 through a steel strand connector, then dropping the second-level annular tower barrel component 3 onto the first-level annular tower barrel component 3, and forming a regular spiral seam surface 5 by the side seam of the first-level annular tower barrel component 3 and the side seam connected with the lateral section of the second-level annular tower barrel component 3; repeating the process until all stages of annular tower barrel components are spliced and hoisted; then, connecting the anchoring device 12 to the top of the annular tower barrel component at the uppermost stage; stretching prestressed steel strands 9 at the top of the precast concrete tower tube 1 and then anchoring; and (4) implementing a cover on each seam surface of the precast concrete tower barrel 1 to complete the whole process of connecting the fan tower barrel.
The utility model discloses a horizontal circumferential weld seam face 4 and the helix seam face 5 of hoop tower section of thick bamboo component 3 all connect through prestressing force steel strand wires 9, not only very big reduction because the vertical pulling force of a tower section of thick bamboo that the fan operation arouses has ensured each component connection's overall stability moreover, and construction convenience.
The utility model discloses a side seam that the side direction section of a plurality of monolithic precast concrete members 2 is connected forms regular helix seam face 5, and this technical scheme is compared with traditional vertical fissure of displacement, has along a tower section of thick bamboo height seam face continuous, each layer ring and the ring between the tie point continuous, the atress even, can not produce the stress concentration that the fissure of displacement arouses.
Example six:
according to the precast concrete wind turbine tower shown in fig. 1, the difference from the fifth embodiment is that: a manhole door opening 7 is arranged in each of the single-piece precast concrete members 2, the manhole door opening 7 and the reserved hole 6 are not located on the same vertical line, and the single-piece precast concrete members 2 are located on one-level precast concrete fan tower barrel members and connected with a fan tower barrel foundation 10.
When the in-service use, adopt this technical scheme, can come in and go out a fan tower section of thick bamboo through the door opening, make the utility model discloses an installation is more convenient with the maintenance. Manhole door opening 7 is not on same vertical line with reservation pore 6, has guaranteed the utility model discloses the steadiness.
Example seven:
the connecting method of the precast concrete wind turbine tower barrel shown in the figure 6 comprises the following steps
The method comprises the following steps: one-level annular tower barrel member splicing
Connecting and splicing the sections on the two sides of the single precast concrete members 2 into a primary annular tower barrel member 3, and respectively penetrating prestressed steel strands 9 into the reserved pore canals 6;
step two: hoisting one-level annular tower barrel component
Hoisting the first-stage ring connected in the first step to the tower barrel component 3, penetrating the prestressed steel strand 9 below the ring to the through hole on the fan tower barrel foundation 10, stretching the prestressed steel strand 9 to an anchoring operation pit 11 in the fan tower barrel foundation 10, and pre-burying a self-locking anchorage in the anchoring operation pit 11;
step three: multistage annular tower barrel component splicing and hoisting
Connecting and splicing the sections on the two sides of the single-piece precast concrete members 2 into a second-stage annular tower barrel member 3, and respectively penetrating prestressed steel strands 9 into reserved ducts 6 of the single-piece precast concrete members 2 in the second-stage annular tower barrel member 3; hoisting the second-level annular tower barrel component 3, connecting the prestressed steel strands 9 on the first-level annular tower barrel component 3 with the prestressed steel strands 9 of the second-level annular tower barrel component 3 through a steel strand connector, then dropping the second-level annular tower barrel component 3 onto the first-level annular tower barrel component 3, and forming a regular spiral seam surface 5 by the side seam of the first-level annular tower barrel component 3 and the side seam of the second-level annular tower barrel component 3 connected with the lateral section; repeating the process until all stages of annular tower barrel components are spliced and hoisted, and completing construction of the precast concrete tower barrel 1;
step four: installation anchoring device
After the third step is finished, connecting the anchoring device 12 to the top of the annular tower barrel component at the uppermost stage;
step five: stretching prestressed steel strand
After the fourth step is finished, stretching prestressed steel strands 9 at the top of the precast concrete tower tube 1 and then anchoring;
step six: covers
And after the fifth step is finished, implementing a cover on each seam surface of the precast concrete tower drum 1, and finishing the whole process of connecting the fan tower drum.
When in actual use, through the utility model discloses the precast concrete fan tower section of thick bamboo of building, not only very big reduction because the vertical pulling force of a tower section of thick bamboo that the fan operation arouses has ensured each member connection's overall stability moreover, and construction convenience.
Example eight:
a method for connecting a prefabricated concrete fan tower cylinder is characterized in that reserved holes 6 are formed in each single-piece prefabricated concrete member 2, the reserved holes 6 are uniformly distributed along the ring direction to the tower cylinder member 3, the reserved holes 6 avoid the bottommost ring direction to form an access hole door opening 7 of the tower cylinder member 3, and the number of the reserved holes 6 is 34. Each reserved hole 6 vertically penetrates along the height direction of the single precast concrete member 2 to the lower part, the reserved hole 6 is of a circular section, the circle center is located at the middle point of the thickness of the single precast concrete member 2, and the circle diameter is 56 mm. PVC pipes 8 are pre-embedded in the reserved hole channels 6, and 11 pre-stressed steel strands 9 with the diameter of 15.2mm are arranged in the pre-embedded PVC pipes 8 in the reserved hole channels 6. All levels of rings are connected well to the tower barrel component 3, prestressed steel strands 9 in the PVC pipes 8 are tensioned and anchored by an anchoring device 12 connected to the top of the precast concrete tower barrel 1, and engineering waterproof glue is coated on each seam surface after all the prestressed steel strands 9 are tensioned.
The anchoring device 12 in this embodiment is of the prior art and is used for fixing the prestressed steel strand 9. The utility model discloses very big reduction because the vertical pulling force of a tower section of thick bamboo that the fan operation arouses has ensured each member connection's overall stability moreover, and construction convenience.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a precast concrete fan tower section of thick bamboo component which characterized in that: the prefabricated tower comprises a plurality of single-piece prefabricated concrete members (2), wherein the sections on two sides of the plurality of single-piece prefabricated concrete members (2) are connected to form an annular tower barrel member (3); the single-piece precast concrete member (2) is of an arc structure with an upper end face and a lower end face horizontal, two lateral sections are parallel inclined planes or smooth curved surfaces, a reserved hole channel (6) is vertically arranged on the single-piece precast concrete member (2) along the height direction and penetrates through the upper end face and the lower end face, and the reserved hole channel (6) is vertically arranged on the upper end face and the lower end face.
2. A precast concrete wind turbine tower barrel member as recited in claim 1, wherein: the plurality of reserved hole channels (6) are arranged, and the plurality of reserved hole channels (6) are evenly arranged in parallel.
3. A precast concrete wind turbine tower barrel member as recited in claim 1, wherein: the reserved hole channels (6) are provided with 4-36.
4. A precast concrete wind turbine tower barrel member as recited in any of claims 1 to 3, wherein: the reserved hole channel (6) is circular, and the distance between the center of the reserved hole channel (6) and the inner and outer side walls of the single precast concrete member (2) is equal.
5. A precast concrete wind turbine tower barrel member as recited in claim 4, wherein: the diameter of the reserved hole channel (6) is 10mm-100 mm.
6. A precast concrete wind turbine tower barrel member as recited in claim 1, wherein: and a PE pipe or a PVC pipe (8) is embedded in the reserved hole (6).
7. The utility model provides a precast concrete fan tower section of thick bamboo which characterized in that: comprising at least a precast concrete wind turbine tower element, a wind turbine tower foundation (10), fixing lines and anchoring means (12) according to any of claims 1-6; the prefabricated concrete fan tower barrel component is provided with multiple stages, the multiple stages of prefabricated concrete fan tower barrel components are sequentially connected to a fan tower barrel foundation (10) through fixing lines from bottom to top, side seams connected with lateral sections of the upper and lower stages of prefabricated concrete fan tower barrel components are mutually connected to form a plurality of regular spiral seam surfaces (5); the anchoring device (12) is connected to the upper part of the prefabricated concrete fan tower barrel component on the uppermost layer; an anchoring operation pit (11) is arranged at the center of the wind turbine tower drum foundation (10), a self-locking anchorage device is pre-embedded in the anchoring operation pit (11), the inner diameter of the upper portion of the anchoring operation pit (11) is smaller than the inner diameter of the lower portion, a through hole matched with the reserved hole channel (6) is vertically formed downwards along the periphery of the anchoring operation pit (11) in the wind turbine tower drum foundation (10), and the through hole is communicated with the lower portion of the anchoring operation pit (11).
8. The precast concrete wind turbine tower of claim 7, wherein: a manhole door opening (7) is arranged in each of the single-piece precast concrete members (2), the manhole door opening (7) and the reserved hole (6) are not located on the same vertical line, and the single-piece precast concrete members (2) are located on one-level precast concrete fan tower barrel members and connected with a fan tower barrel foundation (10).
9. The precast concrete wind turbine tower of claim 7, wherein: the fixing wire adopts a prestressed steel strand (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921994972.1U CN211116420U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower section of thick bamboo and tower section of thick bamboo component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921994972.1U CN211116420U (en) | 2019-11-19 | 2019-11-19 | Precast concrete fan tower section of thick bamboo and tower section of thick bamboo component |
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| CN211116420U true CN211116420U (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
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2019
- 2019-11-19 CN CN201921994972.1U patent/CN211116420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657071A (en) * | 2019-11-19 | 2020-01-07 | 中国电建集团西北勘测设计研究院有限公司 | Prefabricated concrete fan tower drum, tower drum component and connecting method |
| CN110657071B (en) * | 2019-11-19 | 2024-01-19 | 中国电建集团西北勘测设计研究院有限公司 | Precast concrete fan tower barrel, tower barrel component and connecting method |
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