CN219605469U - Novel piece-type concrete pylon - Google Patents
Novel piece-type concrete pylon Download PDFInfo
- Publication number
- CN219605469U CN219605469U CN202320333922.9U CN202320333922U CN219605469U CN 219605469 U CN219605469 U CN 219605469U CN 202320333922 U CN202320333922 U CN 202320333922U CN 219605469 U CN219605469 U CN 219605469U
- Authority
- CN
- China
- Prior art keywords
- concrete tower
- ring piece
- bolt
- anchor
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a novel segmented concrete tower, which comprises a plurality of concrete tower sections which are connected in sequence, wherein each concrete tower section comprises a ring piece and a bolt; the ring pieces are provided with a plurality of internal thread sleeves in advance, one side surface of each ring piece is provided with bolt pore canals corresponding to the internal thread sleeves one by one, so that the bolts can traverse the internal thread sleeve of one ring piece and the bolt pore canals of the other ring piece to connect the two ring pieces, all the ring pieces are finally spliced into a whole in the circumferential direction, and flanges are embedded at the top and the bottom of each ring piece and used for connecting concrete tower sections; the utility model can solve the problems of low assembly and installation efficiency of the existing concrete tower, reduce the production cost and the installation cost of the concrete tower, improve the operation and maintenance convenience of the steel strand, and facilitate the foundation design and construction.
Description
Technical Field
The utility model relates to the technical field of wind turbine towers, in particular to a novel segmented concrete tower.
Background
In recent years, the wind power industry is rapidly developed, a large unit and a high tower become the recognized development directions of the future wind power industry in the industry, and a concrete tower becomes the most important solution for solving the high tower and the ultrahigh tower in the wind power industry, has been accepted by the market and is rapidly developed. At present, the concrete tower is mainly applied to land, and along with the development of offshore wind power, the installed quantity is continuously increased, so that the concrete tower is quite large in order to reduce the production cost of the offshore wind turbine tower. There is room for development of both offshore wind power and onshore wind power, however, the concrete tower technology needs to be continuously upgraded and optimized to meet the market demands.
At present, a concrete tower is generally produced in a prefabrication mode, assembly and hoisting are completed on the project site, the concrete tower is divided into a plurality of tower sections, each section of tower is divided into a plurality of duct pieces, and the height of each section of tower is about 3 m. The vertical joints of each section of tower are connected through grouting materials or bolts, the horizontal joints of each section of tower are connected through seat slurry or adhesive, and the whole concrete tower is connected through external prestress steel strands. The concrete tower, the steel tower and the foundation are connected into a whole through external prestress steel strands, the anchor fixing end is positioned at the flange at the bottom of the steel tower, and the anchor tensioning end is positioned in the foundation cavity. The foundation adopts a hollow foundation design, and compared with a common conventional fan foundation, the hollow foundation has higher design difficulty and complex site construction.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, provides a novel segmented concrete tower, mainly solves the problems of low assembly and installation efficiency of the existing concrete tower, reduces the production cost and the installation cost of the concrete tower, improves the convenience of operation and maintenance of steel strands, and is convenient for foundation design and construction.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the novel segmented concrete tower comprises a plurality of concrete tower sections which are connected in sequence, wherein each concrete tower section comprises a ring piece and a bolt; the ring piece has the polylith, and a plurality of internal thread sleeve have been pre-buried to one side of every ring piece, and the other side of every ring piece is equipped with the bolt pore with internal thread sleeve one-to-one for the bolt can cross the internal thread sleeve of a ring piece and the bolt pore of another ring piece in order to connect two ring pieces, finally makes all ring pieces splice into a whole in the hoop, the top and the bottom of ring piece all have pre-buried flange for connect between the concrete pylon section.
Further, the ring piece comprises a reinforced concrete piece, steel strands, an anchor plate, an anchor backing plate, an embedded pipe, grouting materials and anchor sealing mortar; the embedded pipe is embedded in the reinforced concrete part along the length direction of the reinforced concrete part, the flange is connected with the reinforced concrete part through the bolt and is provided with a grouting hole and a bolt hole, the grouting hole corresponds to the embedded pipe in position, an anchor backing plate and an anchor plate are sequentially installed in the grouting hole from bottom to top, the steel strand penetrates into the embedded pipe after being connected with the anchor plate, grouting material is filled in the embedded pipe and used for improving the stress performance and corrosion resistance of the steel strand, and the anchor sealing mortar is filled around the anchor plate.
Further, the anchor backing plate is an inclined anchor backing plate inclined by a preset angle and is used for preventing an included angle from being generated between the anchor backing plate and the steel strand.
Further, a bearing rubber pad is arranged around the internal thread sleeve and used for filling the splicing gap of the ring piece and transmitting the pretightening force of the bolt.
Further, hand holes are formed in the sides of the bolt hole channels and are used for facilitating installation of bolts.
Further, the side of flange and ring piece all is equipped with waterproof seal groove, be equipped with waterproof sealing pad in the waterproof seal groove.
Further, a platform is arranged in each concrete tower section and is close to the lower portion of the flange and used for daily operation and maintenance.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the utility model adopts an in-vivo prestress structure, the single-piece structure can bear larger bending resistance and tensile bearing capacity, the height of the duct piece can reach approximately 30m, and the assembly and hoisting efficiency of the concrete tower can be greatly improved.
2. According to the utility model, the vertical seams of the ring pieces are connected by adopting the rubber pads and bolts, the flatness accuracy requirements of the side vertical surfaces of the ring pieces are common, and the two adjacent pipe pieces are connected by the rubber pads and the bolts. The connecting mode has lower precision requirement on the ring piece, is convenient for assembling the ring piece, improves the assembling efficiency, and is not limited by the temperature of the construction environment.
3. According to the utility model, adjacent concrete tower sections are connected through the flange and the bolts, so that the flange can be embedded in the top and bottom surfaces similar to the connection of the steel tower, and the flatness of the top and bottom surfaces is ensured without adopting a high-precision production die. The horizontal seam does not need to be constructed by sizing agent or adhesive, so that the production cost of the duct piece can be reduced, the installation efficiency of the tower can be improved, and the construction environment temperature is not limited.
4. The utility model adopts prefabricated member factory to perform prefabrication production, uses a mature in-vivo prestress structure system, does not need on-site installation and construction, and can improve on-site installation efficiency. The durability of the steel strand in the body can meet the service life of the fan, and operation and maintenance are not required to be checked. The tower section adopts flange and bolt connection, has the same operation and maintenance content as the steel tower, and has a mature operation and maintenance scheme and high safety.
5. The utility model adopts the flange and the bolts to connect with the foundation, the foundation can meet the requirements by adopting the general conventional foundation design, and the design and construction are simple compared with the existing hollow foundation of the mixed tower.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a partial enlarged view at B in fig. 1.
FIG. 4 is a schematic structural view of a single concrete tower section.
Fig. 5 is a partial enlarged view at C in fig. 4.
FIG. 6 is one of the structural cross-sectional views of a single concrete tower section.
Fig. 7 is a partial enlarged view at D in fig. 6.
FIG. 8 is a second cross-sectional view of a single concrete tower section.
Fig. 9 is a schematic structural view of the ring segment.
Fig. 10 is a structural top view of the flange.
Fig. 11 is a structural cross-sectional view of the flange.
Detailed Description
The utility model will be further illustrated with reference to specific examples.
Referring to fig. 1 to 11, the novel segmented concrete tower provided by the embodiment comprises a plurality of concrete tower sections a which are connected in sequence, wherein each concrete tower section a comprises a ring piece 1 and a bolt 2;
the ring pieces 1 are provided with a plurality of ring pieces, one side surface of each ring piece is pre-embedded with a plurality of internal thread sleeves 1-8 along the preset distance of the length direction of each ring piece, a pressure-bearing rubber pad 3 is arranged around each internal thread sleeve 1-8 and used for filling the splicing gap of the ring piece 1 and transmitting the pretightening force of the bolts 2, the other side surface of each ring piece 1 is provided with bolt pore channels 1-10 corresponding to the internal thread sleeves 1-8 one by one, hand holes 1-9 are respectively arranged beside each bolt pore channel 1-10 and used for facilitating the installation of the bolts 2, the bolts 2 can cross the internal thread sleeves 1-8 of one ring piece and the bolt pore channels 1-10 of the other ring piece to connect the two ring pieces 1, all the ring pieces 1 are finally spliced into a whole in the circumferential direction, the top and the bottom of each ring piece 1 are pre-embedded with flanges 1-2 and used for connecting between the concrete tower sections a, and a platform b is respectively arranged below the flanges 1-2 in each concrete tower section a and used for daily operation and maintenance.
The ring sheet 1 comprises a reinforced concrete piece 1-1, steel strands 1-3, an anchor plate 1-4, an anchor backing plate 1-5, an embedded pipe 1-6, a grouting material 1-7 and anchor sealing mortar 1-12; the embedded pipe 1-6 is embedded in the reinforced concrete piece 1-1 along the length direction of the reinforced concrete piece 1-1, the flange 1-2 is connected with the reinforced concrete piece 1-1 through the bolt 1-2-4 and is provided with a grouting hole 1-2-1 and a bolt hole 1-2-2, the grouting hole 1-2-1 corresponds to the embedded pipe 1-6 in position, an anchor backing plate 1-4 and an anchor plate 1-5 are sequentially installed in the grouting hole 1-2-1 from bottom to top, the anchor backing plate 1-4 is an inclined anchor backing plate inclined at a preset angle, an included angle is not generated between the anchor plate 1-5 and the steel strand 1-3, the steel strand 1-3 penetrates into the embedded pipe 1-6 after being connected with the anchor plate 1-4, the grouting material 1-7 is filled in the embedded pipe 1-6 and is used for improving the stress performance and corrosion resistance of the steel strand 1-3, and the sealing anchor 1-12 is filled around the anchor plate 1-5. The flange 1-2 and the side face of the ring piece 1 are respectively provided with a waterproof sealing groove 1-11, and a waterproof sealing gasket 4 is arranged in the waterproof sealing grooves 1-11.
The mounting steps of the concrete tower protection network platform structure provided by the embodiment are as follows:
the ring sheet 1 is a prefabricated part, the prefabricated part is prefabricated and produced, the embedded pipe 1-6 and the internal thread sleeve 1-8 are required to be pre-buried in advance before the prefabricated part is produced, after the production is finished and the prefabricated part reaches a certain strength, the prestress steel strand 1-3, the anchor plate 1-4 and the anchor backing plate 1-5 are installed and tensioned, the grouting material 1-7 grouting operation and the end head sealing operation are carried out after the steel strand 1-3 is tensioned, the sealing mortar 1-12 is made of different corrosion-resistant materials according to the environmental category, the service life requirement is met, the sealing mortar 1-12 is required to be completely filled in the grouting hole 1-2-1, the sealing mortar is required to be filled tightly, and the top surface of the flange 1-2 is strictly forbidden to protrude.
After the ring pieces 1 are produced, the ring pieces 1 need to be transported to a project site, assembly operation work can be carried out after all the ring pieces 1 of the same tower frame ring section are transported to the site, firstly, a pressure-bearing rubber pad 3 is stuck on the side elevation of the pre-embedded inner threaded sleeve 1-8 of the ring piece 1, a waterproof sealing gasket 4 is stuck in the waterproof sealing groove 1-11 of the side elevation of the ring piece 1, after the waterproof sealing gasket 4 is stuck, the waterproof sealing groove 1-11 is higher than the waterproof sealing groove 1-11, the assembly operation work can be carried out after the installation of the pressure-bearing rubber pad 3 and the waterproof sealing gasket 4 is finished, after the assembly of the adjacent ring pieces 1 is finished, the assembly operation work can be carried out, after the assembly of the adjacent ring pieces 1 are assembled in place, the assembly joint bolts 2 are installed, the waterproof sealing gasket is compressed into the waterproof sealing groove 1-11 through the application of pre-tightening force to the bolts, the assembly joint gap width is reduced, the concrete tower section is formed after the assembly of all the ring pieces 1 is finished, then a platform b is installed, and the platform b is positioned at the lower part of the flange 1-2 of the concrete tower section a, and personnel rest and bolt operation is convenient.
And (3) installing a concrete tower, namely firstly hoisting a 1 st section concrete tower section, connecting the 1 st section concrete tower section with a foundation d by adopting bolts or anchor bolts, then hoisting a 2 nd section concrete tower section and an n th section concrete tower section, connecting adjacent concrete tower sections by adopting bolts, and connecting a top concrete tower section with a steel tower c by adopting bolts.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so variations in shape and principles of the present utility model should be covered.
Claims (7)
1. A novel piece-type concrete pylon, its characterized in that: the concrete tower sections comprise ring pieces and bolts; the ring piece has the polylith, and a plurality of internal thread sleeve have been pre-buried to one side of every ring piece, and the other side of every ring piece is equipped with the bolt pore with internal thread sleeve one-to-one for the bolt can cross the internal thread sleeve of a ring piece and the bolt pore of another ring piece in order to connect two ring pieces, finally makes all ring pieces splice into a whole in the hoop, the top and the bottom of ring piece all have pre-buried flange for connect between the concrete pylon section.
2. A novel segmented concrete tower according to claim 1, characterized in that: the ring piece comprises a reinforced concrete piece, steel strands, an anchor plate, an anchor backing plate, an embedded pipe, grouting materials and anchor sealing mortar; the embedded pipe is embedded in the reinforced concrete part along the length direction of the reinforced concrete part, the flange is connected with the reinforced concrete part through the bolt and is provided with a grouting hole and a bolt hole, the grouting hole corresponds to the embedded pipe in position, an anchor backing plate and an anchor plate are sequentially installed in the grouting hole from bottom to top, the steel strand penetrates into the embedded pipe after being connected with the anchor plate, grouting material is filled in the embedded pipe and used for improving the stress performance and corrosion resistance of the steel strand, and the anchor sealing mortar is filled around the anchor plate.
3. A novel segmented concrete tower according to claim 2, characterized in that: the anchor backing plate is an inclined anchor backing plate inclined by a preset angle and is used for preventing an included angle from being generated between the anchor backing plate and the steel strand.
4. A novel segmented concrete tower according to claim 1, characterized in that: and a pressure-bearing rubber pad is arranged around the internal thread sleeve and is used for filling the splicing gap of the ring piece and transmitting the pretightening force of the bolt.
5. A novel segmented concrete tower according to claim 1, characterized in that: the bolt hole is all equipped with the hand hole beside the lane for make things convenient for the installation of bolt.
6. A novel segmented concrete tower according to claim 1, characterized in that: the flange and the side of ring piece all are equipped with waterproof seal groove, be equipped with waterproof sealing pad in the waterproof seal groove.
7. A novel segmented concrete tower according to claim 1, characterized in that: a platform is arranged below the flanges in each concrete tower section and is used for daily operation and maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333922.9U CN219605469U (en) | 2023-02-27 | 2023-02-27 | Novel piece-type concrete pylon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333922.9U CN219605469U (en) | 2023-02-27 | 2023-02-27 | Novel piece-type concrete pylon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605469U true CN219605469U (en) | 2023-08-29 |
Family
ID=87751057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320333922.9U Active CN219605469U (en) | 2023-02-27 | 2023-02-27 | Novel piece-type concrete pylon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605469U (en) |
-
2023
- 2023-02-27 CN CN202320333922.9U patent/CN219605469U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112096573B (en) | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower | |
| CN109457597B (en) | Flat plate type modular prefabricated hollow pier splicing structure and manufacturing method thereof | |
| CN107023163B (en) | Glass fiber reinforced plastic cylindrical template system and construction method thereof | |
| CN111022072A (en) | Combined joint for reinforcing secondary lining of tunnel constructed by mining method and mounting method | |
| CN114592436B (en) | Pier capping beam lower support system and construction method thereof | |
| CN112483328A (en) | Prefabricated dry-type assembled concrete-steel hybrid tower of wind generating set | |
| CN109184189A (en) | A kind of diameter Silo conical shell silo roof construction method | |
| CN210887565U (en) | Assembled bolted connection roof beam-post node | |
| CN109914589B (en) | Vertical connecting structure of prestressed reinforced concrete precast column and construction method thereof | |
| CN109702387B (en) | Method for manufacturing steel structure of tower column lining of cable-stayed bridge | |
| CN219605469U (en) | Novel piece-type concrete pylon | |
| CN202559816U (en) | External prestress embedded anchor bolt connection type concrete wind-power tower | |
| CN213392499U (en) | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower | |
| CN212506281U (en) | Prefabricated sectional type open caisson | |
| CN110107312B (en) | Shield segment and shield segment assembling structure | |
| CN111809629A (en) | Prefabricated assembly sectional type open caisson and assembly method | |
| CN210369766U (en) | Precast concrete fast-assembling exhaust pipe well structure | |
| CN110952994A (en) | Bent bolt combined joint for secondary lining of mine method construction tunnel and reinforcing method | |
| CN108411770B (en) | Transverse anchor bolt connection structure of modularized precast pier and construction method thereof | |
| CN111058480A (en) | Urban underground comprehensive pipe gallery and construction method thereof | |
| CN202302366U (en) | Prestressed steel cylinder concrete jacking pipe | |
| CN210827121U (en) | Upper and lower subsection embedded temporary connection structure for stand column | |
| CN211648368U (en) | Prefabricated polygonal prestressed concrete tower cylinder | |
| CN209816906U (en) | Prefabricated utility tunnel of straight bolted connection | |
| CN210238860U (en) | Horizontal splicing joint connecting device for upper and lower prefabricated shear walls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |