CN217257060U - Die for preparing prefabricated partition of concrete tower of wind turbine generator and prefabricated partition - Google Patents
Die for preparing prefabricated partition of concrete tower of wind turbine generator and prefabricated partition Download PDFInfo
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- CN217257060U CN217257060U CN202220138224.9U CN202220138224U CN217257060U CN 217257060 U CN217257060 U CN 217257060U CN 202220138224 U CN202220138224 U CN 202220138224U CN 217257060 U CN217257060 U CN 217257060U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a mould and prefabricated burst for preparing prefabricated burst of wind turbine generator system concrete tower, including die block, left/right end mould, preceding/back side form and two apron, left/right end mould and preceding/back side form articulate respectively around the die block, and two apron articulate respectively in the left and right sides of die block, form the die cavity that is used for making prefabricated burst through die block, left/right end mould, preceding/back side form and two apron cooperations, leave the clearance between the two after two apron lids close as pouring the mouth, the surface of left/right end mould, preceding/back side form adopts the lathe finish machining, processing has a plurality of mounting holes that are used for inserting the built-in fitting on the die block. Adopt the utility model discloses a prefabricated burst size that the mould was made and flatness precision are high, can effectively reduce the concatenation degree of difficulty of prefabricated burst, and prefabricated burst adopts full dry-type to connect, can effectively solve the concrete tower assemble that the duration is long, assemble the stretch-draw in-process easily cause stress concentration and then lead to collapsing the limit and fall the angle and crush and sit thick liquid layer scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of the technique of wind generating set pylon and specifically relates to indicate a mould and prefabricated burst for preparing prefabricated burst of wind turbine generator system concrete pylon.
Background
The existing wind generating set concrete tower frame prefabrication and assembly mainly adopts a whole-ring vertical pouring prefabrication and assembly method and a split vertical pouring prefabrication and assembly method. The whole-ring vertical pouring prefabrication and assembly method mainly adopts a matching method for construction, and is low in construction efficiency, large in occupied area, unsatisfactory in matching effect, difficult to transport and serious in slab staggering in the assembly process; meanwhile, a common stainless steel mold is adopted, the flatness of the top surface circular ring and the bottom surface circular ring can only reach 2mm at most, each ring needs to be leveled by a slurry layer during assembly, and the construction period is long; stress concentration, edge and corner collapse and crushing of the bedding pulp layer are easily caused in the tensioning process. Aiming at the vertical pouring prefabrication assembly method of the burst, the existing prefabricated burst is also mainly formed by pouring a common stainless steel mould, the flatness and the size precision of the prefabricated burst are not high due to the limitation of the common stainless steel mould, the annular prefabricated burst is connected by an embedded part and a hand hole bolt, the flatness of four assembly surfaces is about within 2mm, the top assembly surface of each ring needs to be leveled by slurry, the assembled vertical seam is brushed and sealed, otherwise, water leakage easily occurs to influence relevant electrical equipment inside a tower, and the assembly method easily causes stress concentration in the tensioning process, so that edge collapse and corner drop are caused, and a slurry layer is crushed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a mould and prefabricated burst for preparing wind turbine generator system concrete tower prefabricated burst are provided, the prefabricated burst size and the plane degree precision that adopt this mould to make are high, can effectively reduce the concatenation degree of difficulty of prefabricated burst, and prefabricated burst adopts the full dry-type to connect, can effectively solve wind turbine generator system concrete tower and assemble that the period of operation is long, assemble the stretch-draw in-process and easily arouse stress concentration and then lead to collapsing the limit and fall the angle and crushing and sit thick liquid layer scheduling problem.
In order to achieve the above object, the present invention provides a technical solution: a die for preparing prefabricated fragments of a concrete tower of a wind turbine generator system is horizontally arranged and comprises a bottom die, a left end die, a right end die, a front side die, a rear side die and two cover plates, wherein the left end die, the right end die, the front side die and the rear side die are hinged to the periphery of the bottom die respectively, the cover plates are hinged to the left side and the right side of the bottom die respectively, a cavity for manufacturing the prefabricated fragments is formed by matching the bottom die, the left end die, the right end die, the front side die, the rear side die and the cover plates, a gap is reserved between the two cover plates as a pouring opening for pouring concrete after the two cover plates are covered, the surfaces of the left end die, the right end die, the front side die and the rear side die are subjected to finish machining by a machine tool to ensure the planeness of the splicing surfaces of the prefabricated fragments, a plurality of mounting holes for inserting embedded parts are machined in the bottom die, the mounting positions of the mounting holes correspond to the mounting positions of the embedded parts on the prefabricated fragments one by one, the left end die or the right end die is provided with a bulge used for forming the sealing groove, and the front side die or the rear side die is provided with a bulge used for forming the sealing groove.
Further, a vibrator is arranged at the lower part of the bottom die.
The utility model provides a wind turbine generator system concrete tower prefabricated burst through preparation of above-mentioned mould, includes prefabricated burst body, the both ends of prefabricated burst body are equipped with the built-in fitting, and two prefabricated burst that ring is adjacent upwards adopt built-in fitting and bolted connection, be formed with the seal groove on prefabricated burst body left end concatenation face or the right-hand member concatenation face, be formed with the seal groove on its front side concatenation face or the rear side concatenation face, through installation sealing washer in two seal grooves to make two adjacent prefabricated burst concatenation faces do not have the seepage, thereby realize the full dry-type of prefabricated burst and connect.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model has the advantages of simple structure, convenient operation, high forming precision, etc., and the flatness and the size precision of the splicing surface of the prefabricated fragments are ensured through the left end die, the right end die, the front side die and the rear side die of the machine tool fine processing die, and the flatness is less than or equal to 0.5mm, so that the operations of slurry sitting leveling, slurry brushing sealing, etc. are not needed in the splicing process, the splicing difficulty is reduced, the construction quality is stable and controllable, the construction period is shortened, the construction efficiency is improved, and the construction cost is saved; meanwhile, the prefabricated sections are connected in a full-dry mode, slurry brushing and slurry sitting are not needed, quality problems such as edge collapse and corner fall caused by stress concentration in the later-stage tensioning process are avoided, the defects of the prior art are well overcome, and the method is suitable for popularization and use.
Drawings
Fig. 1 is a schematic structural view of the mold of the present invention.
Fig. 2 is a schematic structural diagram of the protrusion on the front side mold of the present invention.
Fig. 3 is the structural schematic diagram of the right end die upper protrusion of the present invention.
Fig. 4 is a schematic structural view of the prefabricated fragment of the present invention.
Fig. 5 is a schematic structural view of the prefabricated fragment of the present invention adopting full-dry connection.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited thereto.
Example 1
As shown in fig. 1 to 3, the mold for preparing the prefabricated segment of the concrete tower of the wind turbine generator set according to the embodiment is horizontally arranged, and includes a bottom mold 1, a left end mold 2, a right end mold 3, a front side mold 4, a rear side mold 5 and a cover plate 6, wherein the left end mold 2, the right end mold 3, the front side mold 4 and the rear side mold 5 are respectively hinged around the bottom mold 1, two cover plates 6 are respectively hinged on the left side and the right side of the bottom mold 1, a cavity for manufacturing the prefabricated segment is formed by matching the bottom mold 1, the left end mold 2, the right end mold 3, the front side mold 4, the rear side mold 5 and the cover plate 6, a gap is left between the two cover plates 6 after the two cover plates are covered and used as a pouring opening for pouring concrete, the surfaces of the left end mold 2, the right end mold 3, the front side mold 4 and the rear side mold 5 are manufactured by a finish machining machine tool, so as to ensure that the dimensional accuracy of the formed prefabricated segment and the flatness of four splicing surfaces of the prefabricated segment meet the requirements, its plane degree is less than or equal to 0.5mm, it has a plurality of mounting holes (not shown in the figure) that are used for inserting the built-in fitting to process on the die block 1, the mounted position one-to-one of built-in fitting on the mounted position of this a plurality of mounting holes and the prefabricated burst, it has the arch 8 that is used for the shaping seal groove to process on left end mould 2 or the right-hand member mould 3, it has the arch 8 that is used for the shaping seal groove to process on front side mould 4 or the back side mould 5, the lower part of die block 1 is equipped with attached form pneumatic vibrator (not shown in the figure), vibrates after being used for concrete placement, guarantees the concrete placement quality.
Example 2
As shown in fig. 4, the wind turbine concrete tower prefabricated segment prepared by the mold comprises a prefabricated segment body 9, the prefabricated sub-piece body 9 mainly comprises a steel reinforcement framework and concrete poured on the steel reinforcement framework, the planeness of four splicing surfaces of the prefabricated sub-piece body 9 is less than or equal to 0.5mm, two ends of the prefabricated slice body are provided with embedded parts 10, two adjacent prefabricated slices in the ring direction are connected by the embedded parts 10 and bolts, a sealing groove is formed on the splicing surface at the left end or the splicing surface at the right end of the prefabricated slice body 9, the front side splicing surface or the rear side splicing surface is provided with a sealing groove, and the sealing rings 11 are arranged in the two sealing grooves, so that the adjacent two prefabricated split splicing surfaces can be directly spliced without leakage, therefore, full-dry connection of the prefabricated split sheets is realized, slurry brushing and slurry sitting are not needed, and quality problems of edge collapse, corner fall and the like caused by stress concentration in the later tensioning process are avoided.
Example 3
A method for prefabricating and assembling a concrete tower of a wind generating set specifically comprises the following steps:
1) binding a steel bar framework according to the structure of each prefabricated segment of the tower;
2) manufacturing a mold according to the structure of the prefabricated fragments, wherein the specific structure of the mold is as shown in embodiment 1, the mold is horizontally arranged, an embedded part mounting hole is processed on the mold according to the mounting position of an embedded part on the prefabricated fragments, and the surface of a cavity of the mold is finely processed by a machine tool so as to ensure that the dimensional accuracy of the formed prefabricated fragments and the flatness of four end surfaces of the prefabricated fragments meet the requirements;
3) placing the reinforcement cage into a cavity of a mold, then placing the embedded part into the embedded part mounting hole and fixing the embedded part through a fixing part;
4) pouring concrete into the cavity through a pouring opening of the mold and vibrating by adopting a vibrator at the lower part of the bottom mold of the mold to ensure the pouring quality of the concrete;
5) carrying out concrete curing after pouring, wherein the concrete curing adopts a steam curing mode, demolding after the strength of the prefabricated fragments in the cavity reaches a preset value, firstly disassembling a fixing piece for fixing the embedded part during demolding, then opening a cover plate of the mold, a left end mold, a right end mold, a front side mold and a rear side mold, and finally taking out the molded prefabricated fragments;
6) all prefabricated burst is transported to a construction site for splicing and hoisting, the prefabricated burst is spliced into a whole ring according to the size, the inner diameter and the outer diameter of the whole ring, the height difference between adjacent prefabricated burst and the width of a vertical joint are adjusted in the process, as shown in figure 5, on the premise that the size precision and the flatness of the prefabricated burst are guaranteed, full-dry connection is adopted in the splicing and hoisting processes, namely, the ring direction is connected by bolts, the flatness of the splicing surfaces of the adjacent prefabricated burst is less than or equal to 0.5mm, and the splicing surfaces are sealed by sealing rings, so that the horizontal joint 12 and the vertical joint 13 can be guaranteed to be free of leakage without glue brushing, the vertical joint position is free of mortar setting and leveling, and the flatness of the ring surface can be guaranteed.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a mould for preparing prefabricated burst of wind turbine generator system concrete tower which characterized in that: the die is horizontally arranged and comprises a bottom die, a left end die, a right end die, a front side die, a rear side die and cover plates, wherein the left end die, the right end die, the front side die and the rear side die are hinged to the periphery of the bottom die respectively, the number of the cover plates is two, the cover plates are hinged to the left side and the right side of the bottom die respectively, a cavity for manufacturing prefabricated sub-pieces is formed by matching the bottom die, the left end die, the right end die, the front side die, the rear side die and the cover plates, a gap is reserved between the two cover plates after the two cover plates are covered and used for pouring concrete, the surfaces of the left end die, the right end die, the front side die and the rear side die are subjected to finish machining by a machine tool to ensure the planeness of splicing surfaces of the prefabricated sub-pieces, a plurality of mounting holes for inserting embedded parts are machined in the bottom die, the mounting positions of the mounting holes correspond to the mounting positions of the embedded parts on the prefabricated sub-pieces one by one, and bulges used for forming sealing grooves are machined in the left end die or the right end die, and the front side die or the rear side die is provided with a bulge for forming the sealing groove.
2. The mould for preparing the wind turbine concrete tower prefabricated section according to the claim 1, wherein: the lower part of the bottom die is provided with a vibrator.
3. A wind turbine concrete tower prefabricated segment prepared by the mold of any one of claims 1 to 2, wherein: the prefabricated burst body comprises a prefabricated burst body, embedded parts are arranged at two ends of the prefabricated burst body, two upwards adjacent prefabricated bursts are connected through the embedded parts and bolts, a sealing groove is formed in the splicing surface of the left end or the splicing surface of the right end of the prefabricated burst body, a sealing groove is formed in the splicing surface of the front side or the splicing surface of the rear side of the prefabricated burst body, sealing rings are installed in the two sealing grooves, so that the splicing surfaces of the two adjacent prefabricated bursts are free of leakage, and the full-dry connection of the prefabricated bursts is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138224.9U CN217257060U (en) | 2022-01-19 | 2022-01-19 | Die for preparing prefabricated partition of concrete tower of wind turbine generator and prefabricated partition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138224.9U CN217257060U (en) | 2022-01-19 | 2022-01-19 | Die for preparing prefabricated partition of concrete tower of wind turbine generator and prefabricated partition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217257060U true CN217257060U (en) | 2022-08-23 |
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ID=82896177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220138224.9U Active CN217257060U (en) | 2022-01-19 | 2022-01-19 | Die for preparing prefabricated partition of concrete tower of wind turbine generator and prefabricated partition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217257060U (en) |
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2022
- 2022-01-19 CN CN202220138224.9U patent/CN217257060U/en active Active
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