CN216399995U

CN216399995U - Shell ring and tower

Info

Publication number: CN216399995U
Application number: CN202122510379.9U
Authority: CN
Inventors: 宋江毅; 李梦媛; 杨伟; 陈彬毅; 严勇
Original assignee: Shanghai Fengling New Energy Co ltd
Current assignee: Shanghai Fengling New Energy Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-29
Anticipated expiration: 2031-10-18

Abstract

The utility model provides a shell ring and a tower, wherein the shell ring comprises a plurality of prefabricated concrete templates which are connected in a closed manner to form a polygonal structure; each prefabricated concrete template comprises two prefabricated wallboards arranged at intervals and a connecting piece for connecting the two prefabricated wallboards, a containing cavity is arranged between the two prefabricated wallboards, and the containing cavities of the prefabricated concrete templates are communicated with each other; a first sealing element is arranged between the prefabricated wall plates at the two inner sides of the two adjacent prefabricated concrete templates; a second sealing element is arranged between the prefabricated wall plates at the two outer sides of the two adjacent prefabricated concrete templates; all hold the intracavity and fill the concrete, all hold the concrete solidification in the intracavity and link as an organic whole. The shell ring of the embodiment of the utility model fully combines the prefabricated wallboard with the cast-in-place concrete by utilizing the prefabricated concrete template product, thereby ensuring the continuity of the shell ring in stress and ensuring the structure of the shell ring to be safer and more reliable.

Description

Shell ring and tower

Technical Field

The utility model relates to the technical field of tower drum construction, in particular to a shell ring and a tower drum.

Background

The concrete tower barrels of the existing wind driven generators in the market are all fully prefabricated concrete tower barrels, and in order to ensure the productivity, the construction process needs to invest and construct a large number of prefabricated component production factories and molds necessary for component production, the cost is huge, and a large amount of labor is needed.

The fully precast concrete tower barrel often cannot be changed in appearance of a product at will in consideration of the cost of the mold, because each change means the investment of the mold.

The diameter of the bottom of the fully-precast concrete high tower cylinder is generally larger, and the feasibility of transportation is considered, and the pipe sections at the bottom of the tower cylinder are formed by splicing two to three precast segments. And the design of the splicing node causes discontinuous stress at the vertical splicing seam of the duct piece, and only a simple connecting structure can increase resistance.

SUMMERY OF THE UTILITY MODEL

The present invention is based on the discovery and recognition by the inventors of the following facts and problems: the utility model utilizes the precast concrete template to precast the reinforced concrete semi-finished product to replace a precast member production factory and a die, applies the semi-finished product to the wind power tower industry for the first time, and saves the investment of the factory and the die.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the utility model provides a shell ring, which comprises a plurality of prefabricated concrete templates, wherein the prefabricated concrete templates are connected in a closed manner to form a polygonal structure;

each prefabricated concrete template comprises two prefabricated wallboards arranged at intervals and a connecting piece for connecting the two prefabricated wallboards, an accommodating cavity is formed between the two prefabricated wallboards, and the accommodating cavities of the prefabricated concrete templates are communicated with each other;

a first sealing element is arranged between the prefabricated wall boards at the two inner sides of the two adjacent prefabricated concrete formworks and extends along the height direction of the prefabricated concrete formworks;

a second sealing element is arranged between the two outer prefabricated wall plates of the two adjacent prefabricated concrete formworks and extends along the height direction of the prefabricated concrete formworks;

all the accommodating cavities are filled with concrete, and the concrete in the accommodating cavities is solidified into a whole.

The shell ring of the embodiment of the utility model has flexible and changeable appearance, and can be flexibly adjusted no matter what brand and model of the wind power host computer is changed. The shell ring of the embodiment of the utility model utilizes the prefabricated concrete template product to fully combine the prefabricated wallboard with the cast-in-place concrete, and the formed pipe joint is a whole, thereby ensuring the continuity of the shell ring in stress and ensuring the structure of the tower barrel to be safer and more reliable.

Optionally, the first seal comprises a first bending plate having a first and second clamping slot;

the end corner of one of the two inner prefabricated wall panels is clamped in the first clamping groove, and the end corner of the other of the two inner prefabricated wall panels is clamped in the second clamping groove.

Optionally, a surface of the first card slot is attached to a surface of the corresponding end corner; the surface of the second clamping groove is attached to the surface of the corresponding end corner.

Optionally, a first pouring space is arranged between the two inner prefabricated wall panels, the first pouring space is located on one side of the first bending plate, and the first pouring space is communicated with the accommodating cavity, so that the first pouring space is filled with the concrete.

Optionally, the second seal comprises a second bending plate having a third and fourth clamping slot;

the end corner of one of the two outer prefabricated wall panels is clamped in the third clamping groove, and the end corner of the other of the two outer prefabricated wall panels is clamped in the fourth clamping groove.

Optionally, a surface of the third card slot is attached to a surface of the corresponding end corner; and the surface of the fourth clamping groove is attached to the surface of the corner of the corresponding end part.

Optionally, the second bending plate has a second pouring space, and the second pouring space is communicated with the accommodating cavity, so that the second pouring space is filled with the concrete.

Optionally, the second sealing member includes the third bent plate, two faces of the third bent plate are respectively laminated with the terminal surface of two prefabricated wallboards that correspond, the third bent plate has a third casting space, the third casting space with hold the chamber intercommunication, so that the concrete is filled the third casting space.

Optionally, the third bending panel has an end bending panel extending from the end face of the prefabricated wall panel in a direction away from the end face of the prefabricated wall panel.

Optionally, the cross section of the barrel section has a shape of any one of a regular hexagonal structure, a regular heptagonal structure, a regular octagonal structure, a regular nonagonal structure, a regular decagonal structure, a regular undegonal structure, and a regular dodecagonal structure.

The utility model further provides a tower drum comprising a drum section according to any of the embodiments of the utility model.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a front view of a tower of one embodiment of the present invention;

FIG. 2 is a top view of a shell section of an embodiment of the present invention, without cast concrete;

FIG. 3 is a top view of a shell section of an embodiment of the present invention in which concrete blocks are disposed;

FIG. 4 is a top view of a shell section of an embodiment of the present invention with concrete poured;

FIG. 5 is an enlarged partial schematic view of FIG. 3;

FIGS. 6 to 8 are schematic structural views of the connection positions of two precast concrete formworks according to different embodiments of the present invention;

FIGS. 9, 11 and 14 are respectively schematic structural views of the connection positions of two precast concrete formworks according to different embodiments of the present invention, in which the connection members and the concrete are hidden;

FIG. 10 is a schematic view of the upper and lower shell ring connection location of an embodiment of the present invention;

FIG. 12 is a schematic structural view of a first bending plate in accordance with an embodiment of the present invention;

FIG. 13 is a schematic structural view of a second bending plate according to an embodiment of the present invention;

FIG. 15 is a schematic structural view of a third bending plate according to an embodiment of the present invention;

figure 16 is a schematic view of the configuration of the connection location of two prefabricated wall panels adjacent to the inside of the shell ring according to the embodiment of the present invention.

Reference numerals:

10-cylindrical section; 11-prefabricating a concrete template; 111-prefabricated wall panels; 1111-inner side plate surface; 1112-outside panel surface; 1113-side end face; 1114-chamfering; 1101-an extension;

112-a receiving cavity; 113-a connector; 12-a flexible seal; 13-foaming glue; 14-a connecting member; 141-wire rope; 142-steel bar anchor ring; 15-concrete blocks; 16-concrete; 17-an expansion band; 18-a first seal; 181-first card slot; 182-a second card slot; 183-first casting space; 19-a second seal; 191-a third card slot; 192-a fourth card slot; 193-second casting space; 194-a third casting space; 195-temporary support facilities; 196-end bending plate;

20-epoxy resin mortar layer.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

This embodiment provides a shell ring, and this shell ring can be used to build a tower section of thick bamboo, installs a plurality of shell rings in proper order from bottom to top and can form a tower section of thick bamboo.

Referring to fig. 2 to 4, the shell section in this embodiment includes a plurality of prefabricated concrete formworks 11, the plurality of prefabricated concrete formworks 11 are connected in a closed manner to form a polygonal structure, preferably a regular polygonal structure, for example, the plurality of prefabricated concrete formworks 11 may be connected in a closed manner to form a regular hexagonal structure, a regular heptagonal structure, a regular octagonal structure, a regular nonagonal structure, a regular decagonal structure, a regular undecency structure, a regular dodecagonal structure, and the like.

Thus, the cross section of the shell ring is in any one of a regular hexagonal structure, a regular heptagonal structure, a regular octagonal structure, a regular nonagonal structure, a regular decagonal structure, a regular undegonal structure and a regular dodecagonal structure. The structure is an approximate shape, and the overall shape of the shell ring is not influenced by errors caused by the construction process or chamfers arranged at the connection positions of the two prefabricated concrete templates 11, namely, if the errors occur in the shape caused by the construction process or the chamfers are arranged at the connection positions of the two prefabricated concrete templates 11, the structure can be regarded as a regular hexagon structure, a regular heptagon structure, a regular octagon structure, a regular nonagon structure, a regular decagon structure, a regular undecenon structure or a regular dodecagon structure.

Referring to fig. 5, each precast concrete form 11 includes two precast wall panels 111 arranged at intervals and a connecting member 113 connecting the two precast wall panels 111, an accommodating cavity 112 is formed between the two precast wall panels 111, the accommodating cavities 112 of the precast concrete forms 11 are communicated with each other, all the accommodating cavities 112 are filled with concrete 16, and all the concrete 16 in the accommodating cavities 112 are solidified and connected into a whole.

Referring to fig. 11 to 15, a first sealing member 18 is disposed between two inner prefabricated wall panels 111 of two adjacent prefabricated concrete formworks 11, and the first sealing member 18 extends along the height direction of the prefabricated concrete formworks 11; a second sealing element 19 is arranged between the two outer prefabricated wall panels 111 of two adjacent prefabricated concrete formworks 11, and the second sealing element 19 extends along the height direction of the prefabricated concrete formworks 11; the first sealing element 18 and the second sealing element 19 each act as a seal to prevent uncured concrete 16 from flowing outside or inside the tower when the concrete 16 is poured.

The arrangement of the first sealing element 18 and the second sealing element 19 can achieve a good sealing effect, and the uncured concrete 16 is reduced or avoided from flowing to the outer side or the inner side of the tower, so that the pouring time is reduced.

Taking the connection of the regular octagonal structure as an example, the method for assembling the shell ring comprises the following steps: the eight prefabricated concrete templates 11 are respectively hoisted on the assembling platform, the angle and the position of each prefabricated concrete template 11 are adjusted, a regular octagonal structure is assembled, the accommodating cavities 112 of the adjacent prefabricated concrete templates 11 are mutually communicated, the connecting positions of the adjacent prefabricated concrete templates 11 are connected and fixed, then concrete is poured into the accommodating cavities 112 and solidified, and the eight prefabricated concrete templates 11 are firmly fixed.

The particular shape and size of the sections may be selected by those skilled in the art depending on the size of the tower to be constructed.

Referring to fig. 9, a flexible sealing element 12 and a foam adhesive 13 are sequentially disposed at a joint of two adjacent prefabricated wall panels 111 from inside to outside, and the flexible sealing element 12 and the foam adhesive 13 both extend from top to bottom along the joint. The inner side here is the space where the concrete 16 needs to be poured, i.e. the receiving cavity 112. Wherein, the prefabricated wall panel 111 itself can adopt a reinforced concrete structure.

The flexible sealing element 12 and the foaming rubber 13 have the similar functions as the first sealing element 18 and the second sealing element 19, and both have the sealing function.

Referring to fig. 9, the prefabricated wall panel 111 has an inner panel 1111, an outer panel 1112 and a side end 1113, the inner panel 1111 and the outer panel 1112 are parallel, and the side end 1113 is inclined to the inner panel 1111; the joint of the two adjacent prefabricated wall panels 111 is positioned between the end surfaces 1113 at the two sides; the two corresponding side end surfaces 1113 are parallel. This structure makes the flexible sealing member 12 and the foaming adhesive 13 that set up have good leakproofness, guarantees when concreting, can not follow the gap outflow of prefabricated wallboard 111 in two sides.

Illustratively, at least one of the two corresponding lateral end surfaces 1113 is provided with a groove extending from top to bottom along the joint, and the flexible sealing member 12 and/or the foam 13 is/are located in the groove. The sealing performance of the gap is further improved by arranging the groove.

Referring to fig. 11 and 12, first seal 18 includes a first bent plate having a first notch 181 and a second notch 182; the end corner of one of the two inner prefabricated wall panels 111 is snapped into the first snapping groove 181 and the end corner of the other of the two inner prefabricated wall panels 111 is snapped into the second snapping groove 182. Thus, the end corners of the two inner prefabricated wall panels 111 catch the first bending panel and thus are not displaced by the pressure of the flowing concrete 16 when the concrete 16 is poured. That is, after the first bending plate is installed, the position of the first bending plate does not change, and thus, it is not necessary to provide another supporting structure when the concrete 16 is cast.

In some embodiments, a surface of the first card slot 181 conforms to a surface of the corresponding end corner; the surface of second card slot 182 conforms to the surface of the corresponding end corner. That is, the first card slot 181 has a shape that matches the shape of the corresponding end corner, and the second card slot 182 has a shape that matches the shape of the corresponding end corner.

For example, the first bending plate may have a symmetrical structure as a whole, and may be formed by connecting 5 strips as shown in fig. 5.

In some embodiments, a first casting space 183 is provided between the two inner prefabricated wall panels 111, the first casting space 183 is located on one side of the first bending plate, and the first casting space 183 is communicated with the accommodating cavity 112, so that the concrete 16 fills the first casting space 183. That is, the first bending plate does not completely occupy the space between the two inner prefabricated wall panels 111, but reserves a certain space (i.e., the first casting space 183), so that the connection strength of the cast concrete 16 to the two adjacent prefabricated wall panels 111 is improved after the cast concrete 16.

Referring to fig. 16, in some embodiments, the first sealing element 18 includes a fourth bending plate, the cross section of the fourth bending plate is V-shaped, two plate surfaces of the fourth bending plate are respectively attached to the end surfaces of the prefabricated wall panel 111, and the fourth bending plate has a simple structure and is convenient to install.

Referring to fig. 11 and 13, the second sealing member 19 includes a second bending plate having a third engaging groove 191 and a fourth engaging groove 192; the end corner of one of the two outer prefabricated wall panels 111 is clamped in the third clamping groove 191, and the end corner of the other of the two outer prefabricated wall panels 111 is clamped in the fourth clamping groove 192. Thus, the end corners of the two outer prefabricated wall panels 111 catch the second bending panel and thus are not displaced by the pressure of the flowing concrete 16 when the concrete 16 is poured. That is, the second bending plate does not change its position after installation, and thus, it is not necessary to provide another supporting structure when the concrete 16 is poured.

In some embodiments, a surface of the third card slot 191 conforms to a surface of the corresponding end corner; the surface of fourth card slot 192 conforms to the surface of the corresponding end corner. That is, the shape of the third card slot 191 matches the shape of the corresponding end corner, and the shape of the fourth card slot 192 matches the shape of the corresponding end corner.

Illustratively, the second bending plate has a second casting space 193, and the second casting space 193 communicates with the receiving cavity 112 so that the concrete 16 fills the second casting space 193. By providing the second casting space 193, the connection strength of the concrete 16 to the two adjacent precast concrete formworks 11 can be improved.

Referring to fig. 14 and 15, the second sealing element 19 includes a third bending plate, two plate surfaces of the third bending plate are respectively attached to the end surfaces of the two corresponding prefabricated wall panels 111, the third bending plate has a third pouring space 194, and the third pouring space 194 is communicated with the accommodating cavity 112, so that the concrete 16 fills the third pouring space 194.

Before the concrete 16 is poured, a temporary support facility 195 may be provided at the outer side of the third bending plate to ensure the stability of the position of the third bending plate during the concrete 16 pouring process. The temporary support facility 195 may be removed after the poured concrete 16 has set, and the removed temporary support facility 195 may be reused.

Referring to fig. 15, third bending panel has end bending panel 196, end bending panel 196 extending from the end face of prefabricated wall panel 111 in a direction away from the end face of prefabricated wall panel 111. The end bending plate 196 has an effect of binding the poured concrete, so that the connection stability of the solidified concrete 16 and the third bending plate can be improved, and the third bending plate is prevented from being separated from the solidified concrete 16.

The present embodiment also provides a tower drum comprising the drum segments of any of the above embodiments. The tower can be used as a tower for wind power generation. Referring to fig. 1, the tower of the present embodiment includes: the multi-section regular polygon cylindrical shell section 10 is characterized in that the multi-section regular polygon cylindrical shell section 10 is sequentially connected to a preset height from bottom to top. Illustratively, the shell section 10 may be a regular hexagonal structure, a regular heptagonal structure, a regular octagonal structure, a regular nonagonal structure, a regular decagonal structure, or the like. Wherein the shell ring 10 can be implemented with reference to any of the embodiments described above.

Referring to fig. 2 to 5, each shell section 10 includes a plurality of prefabricated concrete formworks 11, the plurality of prefabricated concrete formworks 11 are connected in a closed manner to form a regular polygonal structure, each prefabricated concrete formwork 11 includes two prefabricated wall panels 111 arranged at intervals and a connecting member 113 connecting the two prefabricated wall panels 111, an accommodating cavity 112 is formed between the two prefabricated wall panels 111, the accommodating cavities 112 of the plurality of prefabricated concrete formworks 11 are communicated with each other, and all the accommodating cavities 112 are filled with concrete. After the concrete is solidified, all the prefabricated concrete templates 11 are connected into a whole, so that the stability of the shell ring 10 is ensured.

The prefabricated concrete template 11 can be purchased from a building market directly, the size of the prefabricated concrete template 11 can be 3.1m multiplied by 12m, and different specifications are selected when the prefabricated concrete template is matched with different wind driven generators.

Because the raw materials of the tower drum can be directly purchased from the building market, the independent die opening of the duct piece of the tower drum by a die is not needed to be prepared when the shell ring 10 is manufactured, and the investment cost is reduced; furthermore, the purchased precast concrete template 11 can be directly transported to a construction site for assembly, and the transportation cost is low.

In some embodiments, the tower further includes a plurality of prestressed steel strands disposed outside the shell segments 10, and both ends of the prestressed steel strands are respectively connected to different shell segments 10. The prestressed steel strands tension the shell sections 10 to improve the overall structural stability of the tower. The prestressed steel strands may also be arranged inside the shell ring 10 as required.

Referring to fig. 10, an epoxy resin mortar layer 20 connecting the two sections of the cylindrical sections 10 adjacent to each other is arranged between the two sections of the cylindrical sections 10 adjacent to each other; the thickness of the epoxy resin mortar layer 20 is in the range of 7mm to 13mm, and may be, for example, 8mm, 9mm, 10mm, 11mm, 12mm, or the like.

The epoxy resin mortar layer 20 has a strong bonding effect, and can improve the connection reliability between two sections of the shell ring 10 which are adjacent up and down.

In some embodiments, the angle between the precast concrete form 11 and the horizontal plane is in the range of 87 ° to 90 °, for example: 88 °, 89 °, etc. That is, the prefabricated concrete form 11, which is at least a partial section of the tower, may be arranged in a non-vertical position, and referring to fig. 1, the maximum transverse dimension of the bottom of the tower is greater than the maximum transverse dimension of the upper part. The upper section of the tower may also be provided with prefabricated concrete forms 11 perpendicular to the horizontal, i.e. vertically. Thus, the shell ring 10 can be divided into at least two types, the first type is an equal-diameter shell ring with equal inner diameter, the second type is a variable-diameter shell ring with non-equal diameter, the variable-diameter shell ring has a certain taper, and the equal diameter refers to the diameter of an inscribed circle or a circumscribed circle of the shell ring 10.

Referring to fig. 1, the whole tower can be divided into two parts, wherein the lower part adopts a reducing cylinder section and the upper part adopts an equal-diameter cylinder section. The whole tower can be divided into three parts, wherein the lower part adopts an equal-diameter shell ring with larger inner diameter, the middle part adopts a variable-diameter shell ring with certain taper, and the upper part adopts an equal-diameter shell ring with smaller inner diameter.

Because some precast concrete templates 11 have certain inclination angle, and the top and the bottom of precast concrete template 11 are right angle, when the precast concrete template 11 that produces is placed aslant, the top has slight discrepancy, for controlling this discrepancy within 3mm, the inclination angle when the tower section of thick bamboo design can be less than 3 degrees, the precast concrete template 11 and the horizontal plane included angle scope is 87 ° -90 °. When the assembly field is poured, the top surface of the shell ring 10 can be poured into a plane. Leveling of the bottom of the shell ring 10 is completed by epoxy resin with the thickness of about 10mm, namely the upper shell ring 10 can be naturally flattened when being placed on the unhardened epoxy resin.

Referring to fig. 9, in some embodiments, a flexible sealing member 12 and a foaming glue 13 are sequentially disposed at the joint of the two adjacent prefabricated wall panels 111 from inside to outside. Both the flexible seal 12 and the foam 13 serve to seal against the concrete flowing out of the gap during later casting.

Illustratively, the flexible sealing member 12 is a rubber tube or a latex rod, and the flexible sealing member 12 has a certain deformation capability to better seal the joint of the two adjacent prefabricated wall panels 111, thereby improving the sealing effect.

In some embodiments, referring to fig. 6-8, each shell section 10 further includes a connecting member 14, the connecting member 14 is disposed between any two adjacent prefabricated concrete formworks 11, a portion of the connecting member 14 is located in one of the accommodating cavities 112, the remaining portion of the connecting member 14 is located in the adjacent accommodating cavity 112, and the connecting member 14 is poured by the poured concrete. The connecting members 14 are provided to improve the connection firmness of the two precast concrete formworks 11, thereby improving the structural stability of the shell ring 10.

Illustratively, the connecting member 14 includes at least one rebar mesh 146, as shown in fig. 7, the rebar mesh 146 is located in the middle of the two prefabricated wall panels 111, as shown in fig. 6, and the rebar mesh 146 may also be attached to the inner wall of the prefabricated wall panel 111. The number of the reinforcing mesh pieces 146 may be plural, and the plural reinforcing mesh pieces are respectively arranged at different positions.

In some embodiments, rebar mesh 146 is attached to the inner wall of prefabricated wall panel 111, and the rebar mesh is anchored to both connected prefabricated wall panels 111. The reliability of the connection is further improved by the anchoring connection.

Illustratively, the cross-section of the rebar mesh 146 is V-shaped. The cross section of the steel mesh 146 may be wavy to increase the contact area with the concrete, thereby improving the reliability of the connection.

In some embodiments, referring to fig. 8, the connection member 14 includes a plurality of steel cables 141 and a plurality of steel bar anchor rings 142, the steel bar anchor rings 142 are embedded in the inner wall of each prefabricated wall panel 111, the steel cables 141 are inserted into the corresponding steel bar anchor rings 142, and the steel cables 141 are distributed in the adjacent two prefabricated concrete formworks 11 in a staggered manner.

The steel wire rope 141 can be set to be a closed annular structure, and the two steel wire ropes 141 are staggered together, so that the connection reliability after concrete is poured can be improved.

The embodiment further provides a construction method of the tower barrel, which comprises the following steps:

s1, providing prefabricated concrete formworks 11, wherein each prefabricated concrete formwork 11 comprises two prefabricated wall boards 111 arranged at intervals and connecting pieces 113 for connecting the two prefabricated wall boards 111, and an accommodating cavity 112 is formed between the two prefabricated wall boards 111; sequentially hoisting a plurality of prefabricated concrete templates 11 to the assembling table to be assembled into a regular polygon structure, and enabling the accommodating cavities 112 of the prefabricated concrete templates 11 to be mutually communicated;

s2, pouring concrete into all the accommodating cavities 112, and forming the shell section 10 after the concrete is solidified;

and S3, sequentially lifting the prepared shell sections 10 and connecting the shell sections to a predetermined height.

The method utilizes a prefabricated concrete template product in the building industry, and the product is used for the construction of civil buildings (such as houses) in the building industry. In civil buildings, the connection nodes of the prefabricated concrete templates are mostly L-shaped and T-shaped, and floors are separated between each layer; the precast concrete template 11 of the method is directly transported to a construction site for assembly, the structural stability is high, the manufacturing cost of the mold is saved, and the transportation cost is also saved.

In some embodiments, referring to fig. 3, hoisting the precast concrete form 11 includes the following steps: and pouring concrete blocks 15 with lifting hooks in the prefabricated concrete templates 11, and hoisting the prefabricated concrete templates 11 to the assembly table through the lifting hooks. Specifically, the concrete block 15 with the lifting hook may be poured first, and then the concrete block 15 with the lifting hook and the prefabricated concrete template are poured into a whole when the prefabricated concrete template is manufactured, so as to ensure the pouring firmness. The concrete blocks 15 and the concrete 16 poured in the accommodating cavity 112 can be integrated, so that the lifting hook leaks outwards, and the lifting operation is convenient to implement.

If not set up concrete block 15, prefabricated concrete form 11 also can utilize the truss reinforcing bar to carry out interim hoist and mount, when again to holding cavity 112 in concreting 16, can set up the sleeve in holding cavity 112, treats after concreting 16 solidifies, twists the lifting hook on pre-buried sleeve.

In some embodiments, S1 further includes disposing a connecting member 14 between two adjacent prefabricated concrete forms 11. The connection members 14 can improve the connection reliability between the adjacent precast concrete formworks 11. The embodiments of which can be practiced as described with reference to the above description.

In some embodiments, S1 further includes disposing a flexible sealing member 12 and a foam 13 at the joint of the adjacent two prefabricated wall panels 111 from inside to outside.

Both the flexible seal 12 and the foam 13 serve to seal against the concrete flowing out of the gap during later casting. S2 is performed after the flexible sealing member 12 and the foamed rubber 13 are stabilized.

In some embodiments, in S3, two sections of the shell ring 10 adjacent to each other up and down are connected by epoxy resin mortar; the included angle between the prefabricated concrete template 11 and the horizontal plane is 87-90 degrees; the bottom of the shell ring 10 located on the upper side is leveled by epoxy mortar.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. The shell ring is characterized by comprising a plurality of prefabricated concrete templates (11), wherein the prefabricated concrete templates (11) are connected in a closed manner to form a polygonal structure;

each prefabricated concrete template (11) comprises two prefabricated wall boards (111) arranged at intervals and a connecting piece (113) for connecting the two prefabricated wall boards (111), an accommodating cavity (112) is formed between the two prefabricated wall boards (111), and the accommodating cavities (112) of the plurality of prefabricated concrete templates (11) are mutually communicated;

a first sealing element (18) is arranged between two inner prefabricated wall plates (111) of two adjacent prefabricated concrete formworks (11), and the first sealing element (18) extends along the height direction of the prefabricated concrete formworks (11);

a second sealing element (19) is arranged between two outer prefabricated wall plates (111) of two adjacent prefabricated concrete formworks (11), and the second sealing element (19) extends along the height direction of the prefabricated concrete formworks (11);

all the accommodating cavities (112) are filled with concrete (16), and the concrete (16) in all the accommodating cavities (112) are solidified into a whole.

2. The shell segment of claim 1, wherein the first seal (18) comprises a first folded plate having a first (181) and a second (182) catch;

the end corner of one of the two inner prefabricated wall panels (111) is clamped in the first clamping groove (181), and the end corner of the other of the two inner prefabricated wall panels (111) is clamped in the second clamping groove (182).

3. A shell ring according to claim 2, wherein the surface of the first catching groove (181) abuts the surface of the corresponding end corner; the surface of the second clamping groove (182) is attached to the surface of the corresponding end corner.

4. A shell ring according to claim 2, characterized in that a first casting space (183) is provided between two inner prefabricated wall panels (111), said first casting space (183) being located on one side of said first bending panel, said first casting space (183) being in communication with said receiving cavity (112) so that said concrete (16) fills said first casting space (183).

5. A shell segment according to claim 1, characterized in that the second seal (19) comprises a second bending plate having a third (191) and a fourth (192) catch;

the end corner of one of the two outer prefabricated wall panels (111) is clamped in the third clamping groove (191), and the end corner of the other of the two outer prefabricated wall panels (111) is clamped in the fourth clamping groove (192).

6. A shell segment according to claim 5, characterised in that the surface of the third bayonet groove (191) conforms to the surface of the corresponding end corner; the surface of the fourth clamping groove (192) is attached to the surface of the corresponding end corner.

7. A shell segment according to claim 5, characterized in that the second bending plate has a second casting space (193), the second casting space (193) communicating with the receiving cavity (112) so that the concrete (16) fills the second casting space (193).

8. The shell ring according to claim 1, characterized in that the second sealing element (19) comprises a third bending plate, two plate faces of which are respectively attached to the end faces of the two corresponding prefabricated wall panels (111), the third bending plate having a third casting space (194), the third casting space (194) being in communication with the receiving cavity (112) so that the concrete (16) fills the third casting space (194).

9. The shell ring of claim 8, wherein the third bend panel has an end bend panel (196), the end bend panel (196) extending from an end face of the prefabricated wall panel (111) in a direction away from the end face of the prefabricated wall panel (111).

10. The shell section of claim 1, wherein the cross section of the shell section has a shape of any one of a regular hexagonal structure, a regular heptagonal structure, a regular octagonal structure, a regular nonagonal structure, a regular decagonal structure, a regular undecenoic structure, and a regular dodecagonal structure.

11. A tower comprising a shell section according to any one of claims 1-10.