CN216505824U

CN216505824U - Shell ring and tower body

Info

Publication number: CN216505824U
Application number: CN202122510077.1U
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: 2022-05-13
Anticipated expiration: 2031-10-18

Abstract

The utility model provides a shell ring and a tower body, wherein the shell ring comprises a plurality of prefabricated concrete templates which are connected in a closed manner to form a regular polygon structure, each prefabricated concrete template comprises two prefabricated wall boards arranged at intervals and a connecting piece for connecting the two prefabricated wall boards, an accommodating space is formed between the two prefabricated wall boards, and all concrete in the accommodating space is solidified and connected into a whole; each shell ring further comprises a connecting member, the connecting member is arranged between any two adjacent prefabricated concrete templates, the connecting members are located in the two adjacent accommodating spaces simultaneously, and the connecting members are poured in concrete. The shell ring of the embodiment of the utility model utilizes the precast concrete template product to fully combine the precast concrete outer skin with the cast-in-place concrete, thereby ensuring the continuity of the stress of each shell ring, and ensuring the structure of the shell ring to be safer and more reliable.

Description

Shell ring and tower body

Technical Field

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

Background

The existing concrete towers of wind driven generators in the market are all prefabricated concrete towers, and in order to ensure the productivity, the construction process needs to invest in a large number of prefabricated part production factories and necessary moulds for producing the parts, so that the cost is huge and a large amount of labor is needed.

The fully precast concrete tower body is not always capable of changing the shape 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 body is generally larger, the feasibility of transportation is considered, and the pipe section at the bottom of the tower body is formed by splicing two to three precast pipe pieces. 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 prefabricated concrete template to prefabricate the reinforced concrete semi-finished product to replace a prefabricated part production factory and a mould, applies the semi-finished product to the wind power tower industry for the first time, and saves the investment of the factory and the mould.

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 wall boards arranged at intervals and a connecting piece for connecting the two prefabricated wall boards, an accommodating space is formed between the two prefabricated wall boards, the accommodating spaces of the prefabricated concrete templates are mutually communicated, all the accommodating spaces are filled with concrete, and the concrete in the accommodating spaces is solidified and connected into a whole;

each shell ring further comprises a connecting member, the connecting member is arranged between any two adjacent prefabricated concrete templates, the connecting members are simultaneously positioned in the two adjacent accommodating spaces and distributed along the height direction of the prefabricated concrete templates, and the connecting members are poured in the concrete.

The shell ring provided by the embodiment of the utility model has flexible and changeable appearance, the shell ring utilizes the precast concrete template product to fully combine the precast wallboard with the cast-in-place concrete, the formed shell ring is an integral body, the stress continuity of the shell ring is ensured, the structure of the shell ring is safer and more reliable, and the connection reliability of two precast concrete templates is improved by arranging the connecting member between the two adjacent precast concrete templates.

Optionally, the connecting member includes at least one steel mesh sheet, the steel mesh sheet is located in the middle of the two prefabricated wall panels, or the steel mesh sheet is attached to the inner wall of the prefabricated wall panel.

Optionally, the reinforcing mesh is attached to the inner wall of the prefabricated wall panel, and the reinforcing mesh is connected to both of the two connected prefabricated wall panels in an anchoring manner.

Optionally, the cross section of the steel mesh is V-shaped.

Optionally, the connecting member includes a plurality of steel wire ropes and a plurality of steel bar anchor rings, the steel bar anchor rings are pre-embedded in the inner wall of each prefabricated wall panel, the steel wire ropes are inserted into the corresponding steel bar anchor rings, and the steel wire ropes are distributed in the two adjacent prefabricated concrete formworks in a staggered manner.

Optionally, the steel wire rope is a closed rope ring, vertical steel bars are inserted into the steel wire rope in a staggered distribution mode, and the vertical steel bars extend in the height direction of the precast concrete template.

Optionally, the connecting member includes a polygonal reinforcement cage and connecting reinforcements, the reinforcement cage extends from top to bottom along the side end of the precast concrete formwork, and the connecting reinforcements simultaneously penetrate through the reinforcement cage and the two adjacent accommodating spaces; and the concrete is filled in the reinforcement cage.

Optionally, the connecting member further includes a laminated slab, two side ends of the laminated slab respectively abut against side ends of two adjacent prefabricated wall panels close to the center of the shell ring, and two sides of the reinforcement cage are respectively disposed close to side ends of two adjacent prefabricated concrete formworks.

Optionally, one of the edges of the reinforcement cage and one of the edges of the connecting reinforcement are adjacent to the laminated slab.

Optionally, two edges of the reinforcement cage are respectively disposed near side ends of two adjacent prefabricated concrete formworks, and the edges of the reinforcement cage and the edges of the connecting reinforcements are not overlapped.

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 also provides a tower body which comprises the shell ring provided by the embodiment 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

FIGS. 1a and 1b are front views of towers according to various embodiments 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;

FIG. 9 is a schematic structural view showing a connection position of two precast concrete formworks according to an embodiment of the present invention, in which a connection member is hidden;

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

fig. 11 and 12 are schematic views illustrating a connection position of two precast concrete formworks according to an embodiment of the present invention.

Reference numerals:

10-cylindrical section; 11-prefabricating a concrete template; 111-prefabricated wall panels; 112-a receiving space; 113-a connector; 12-a flexible seal; 13-foaming glue; 14-a connecting member; 141-wire rope; 142-steel bar anchor ring; 143-vertical reinforcement; 144-a reinforcement cage; 145-superimposed sheets; 146-steel mesh; 147-connecting reinforcing steel bars;

15-concrete blocks; 16-concrete;

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 the construction tower body, installs a plurality of shell rings in proper order from bottom to top and can form the tower body.

Referring to fig. 2 to 4, the present embodiment provides a shell ring, which includes a plurality of precast concrete formworks 11, the plurality of precast concrete formworks 11 are connected in a closed manner to form a polygonal structure, each precast 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 space 112 is provided between the two prefabricated wall panels 111, the accommodating spaces 112 of the plurality of precast concrete formworks 11 are communicated with each other, all the accommodating spaces 112 are filled with concrete 16, and the concrete 16 in all the accommodating spaces 112 is solidified and connected into a whole; each shell section 10 further comprises connecting members 14, the connecting members 14 are arranged between any two adjacent prefabricated concrete formworks 11, the connecting members 14 are simultaneously positioned in the two adjacent accommodating spaces 112 and distributed along the height direction of the prefabricated concrete formworks 11, that is, the arrangement of the connecting members 14 in the accommodating spaces 112 is to form sufficient connection for each section of the two adjacent prefabricated concrete formworks 11 up and down as much as possible. For example, the overall height of the connecting member 14 may be equal to or slightly less than the height of the precast concrete form 11; if the connecting member 14 is composed of a plurality of sub-members, the interval between the uppermost sub-member and the lowermost sub-member may be equal to or slightly smaller than the height of the precast concrete form 11.

Further, the connecting member 14 is poured into the concrete 16, and the concrete 16 fixes the connecting member 14 therein, so that the reliability of the connection is ensured.

The prefabricated wall panel 111 is of a reinforced concrete structure, and a polygonal structure formed by the closed connection of the plurality of prefabricated concrete formworks 11 may be a regular polygonal structure, such as a regular hexagon, a regular heptagon, a regular octagon, a regular nonagon, a regular decagon, and the like.

The appearance of shell ring can be changed through the quantity that changes precast concrete template 11, need not in addition to each kind of shell ring design mould, only need can realize connecting through assembling, behind concreting 16 for overall structure is more stable. The prefabricated wall plate 111 and the cast-in-place concrete 16 are fully combined (in an assembly field), the formed shell ring is a whole, the stress continuity of the shell ring is guaranteed, and the shell ring structure is safer and more reliable.

In some embodiments, at least two precast concrete formworks 11 are disposed in parallel with each other. 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, the rebar mesh is attached to the inner wall of the 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 mesh 146 may also be wavy to increase the contact area with the concrete 16, 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 arranged into a closed annular structure, and the two steel wire ropes 141 are staggered together, so that the connection reliability after the concrete 16 is poured can be improved.

As shown in fig. 8, the steel cables 141 are closed cable loops, vertical steel bars 143 are inserted into the steel cables 141 distributed in a staggered manner, and the vertical steel bars 143 extend in the height direction of the precast concrete form 11. The vertical steel bars 143 can ensure that the steel wire ropes 141 are staggered all the time, and the condition that the steel wire ropes 141 are arranged in disorder by flowing concrete when the concrete is poured is avoided.

In some embodiments, referring to fig. 11-12, the connecting member 14 includes a polygonal reinforcement cage 144 and connecting reinforcements 147, the reinforcement cage 144 extends from top to bottom along the side ends of the precast concrete form 11, and the connecting reinforcements 147 penetrate through the reinforcement cage 144 and the two adjacent accommodating spaces 112; the reinforcement cage 144 is filled with concrete 16. The reinforcement cage 144 can play a connecting role, so that two adjacent prefabricated concrete formworks 11 are connected more firmly, the connecting reinforcements 147 play a further connecting role, and the connecting reinforcements 147 can be fixedly connected with the reinforcement cage 144.

When the concrete 16 is poured, the formworks can be arranged on the two sides of the reinforcement cage 144, and the formworks are removed after the poured concrete 16 is solidified. The removed template can be reused.

As shown in fig. 11-12, the connecting rebars 147 are three straight lines in cross-section and the reinforcement cage 144 has a hexagonal configuration.

In some embodiments, as shown in fig. 11, the connecting member 14 further includes a composite slab 145, two side ends of the composite slab 145 respectively abut against side ends of two adjacent prefabricated wall panels 111 near the center of the tube section, and two sides of the reinforcement cage 144 are respectively disposed near side ends of two adjacent prefabricated concrete formworks 11. The composite slab 145 may be made of the same material as the prefabricated wall panel 111, both of which may be made of reinforced concrete, and after the composite slab 145 is installed, it may not be necessary to install a formwork on the side when the concrete 16 is poured. After the concrete 16 is solidified, the laminated slab 145 and the concrete 16 are integrated without being removed.

In some embodiments, as shown in fig. 11, one of the sides of the reinforcement cage 144 and one of the sides of the connecting reinforcement 147 are adjacent to the composite slab 145. In fig. 11, the edges of the underside of the reinforcement cage 144 and the edges of the middle of the connecting reinforcement 147 are adjacent to the superimposed slab 145.

In some embodiments, as shown in fig. 12, two sides of the reinforcement cage 144 are respectively disposed near the side ends of two adjacent precast concrete formworks 11, and the sides of the reinforcement cage 144 and the sides of the connecting reinforcements 147 are not overlapped. And the two sides of the reinforcement cage 144 are not provided with the laminated slab 145, and when the concrete 16 is poured, the two sides are provided with the templates.

The present embodiment provides a tower body that can be used as a tower body for wind power generation.

Referring to fig. 1a and 1b, the tower body 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, a regular undegonal structure, a regular dodecagonal structure, or the like. Wherein, the shell ring 10 can be implemented with reference to any of the above embodiments.

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. 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 space 112 is provided between the two prefabricated wall panels 111, the accommodating spaces 112 of the plurality of prefabricated concrete formworks 11 are communicated with each other, and all the accommodating spaces 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 body can be directly purchased from the building market, when the shell ring 10 is manufactured, a die is not required to be prepared for independently opening the die for the duct piece of the tower body, 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 body further includes a plurality of prestressed steel strands disposed outside the shell ring 10, and both ends of the prestressed steel strands are respectively connected to different shell rings 10. The prestressed steel strands tighten the shell sections 10 so as to improve the stability of the whole structure of the tower body. 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 disposed in a non-vertical position, and referring to fig. 1a, 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. 1a, 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; referring to fig. 1b, the whole tower can be divided into three parts, wherein the lower part adopts an equal-diameter cylindrical section with a larger inner diameter, the middle part adopts a variable-diameter cylindrical section with a certain taper, and the upper part adopts an equal-diameter cylindrical section with a smaller inner diameter.

Because part of the precast concrete templates 11 have a certain inclination angle, and the top and the bottom of the precast concrete templates 11 are both right angles, when the produced precast concrete templates 11 are obliquely placed, the top has a slight height difference, in order to control the height difference within 3mm, the inclination angle during tower body design can be smaller than 3 degrees, and the included angle range of the precast concrete templates 11 and the horizontal plane is 87-90 degrees. 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 to 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 part of the connecting member 14 is located in one of the accommodating spaces 112, the rest of the connecting member 14 is located in the adjacent accommodating space 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.

The present embodiment further provides a method for constructing a tower body, including the steps of:

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 space 112 is formed between the two prefabricated wall boards 111; sequentially hoisting a plurality of prefabricated concrete templates 11 to the assembling platform to be assembled into a regular polygon structure, and enabling the accommodating spaces 112 of the prefabricated concrete templates 11 to be communicated with one another;

s2, pouring concrete into all the accommodating spaces 112, and forming the shell ring 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 block 15 and the concrete 16 poured in the accommodating space 112 can be integrated, so that the lifting hook leaks outside, and the lifting operation is convenient to implement.

If the concrete block 15 is not arranged, the precast concrete template 11 can be temporarily hoisted by utilizing the truss reinforcing steel bars, then when the concrete 16 is poured into the accommodating space 112, a sleeve can be arranged in the accommodating space 112, and after the concrete 16 to be poured is solidified, the lifting hook is screwed to the 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 of the 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 explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

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 space (112) is formed between the two prefabricated wall boards (111), the accommodating spaces (112) of the prefabricated concrete templates (11) are communicated with each other, all the accommodating spaces (112) are filled with concrete (16), and the concrete (16) in all the accommodating spaces (112) are solidified into a whole;

connecting members (14) are arranged between any two adjacent prefabricated concrete templates (11), the connecting members (14) are simultaneously positioned in the two adjacent accommodating spaces (112) and distributed along the height direction of the prefabricated concrete templates (11), and the connecting members (14) are poured in the concrete (16).

2. The shell ring according to claim 1, characterized in that the connecting member (14) comprises a polygonal reinforcement cage (144) and connecting reinforcements (147), the reinforcement cage (144) extends from top to bottom along the side ends of the precast concrete form (11), and the connecting reinforcements (147) are simultaneously inserted into the reinforcement cage (144) and two adjacent accommodating spaces (112); the reinforcement cage (144) is filled with the concrete (16).

3. The shell ring of claim 2, wherein the connecting member (14) further comprises a laminated plate (145), two side ends of the laminated plate (145) respectively abut against side ends of two adjacent prefabricated wall plates (111) close to the center of the shell ring, and two sides of the reinforcement cage (144) are respectively arranged close to side ends of two adjacent prefabricated concrete formworks (11).

4. A shell ring according to claim 3, wherein one of the edges of the reinforcement cage (144) and one of the edges of the connecting reinforcement (147) are adjacent the overlapping plate (145).

5. The shell ring according to claim 4, characterized in that two sides of the reinforcement cage (144) are respectively arranged near the side ends of two adjacent precast concrete formworks (11), and the sides of the reinforcement cage (144) are not coincident with the sides of the connecting reinforcements (147).

6. A shell ring according to any of claims 1 to 5, wherein the connecting member (14) comprises at least one mesh of rebars (146), the mesh of rebars (146) being located in the middle of both faces of the prefabricated wall panel (111), or the mesh of rebars (146) being attached to the inner wall of the prefabricated wall panel (111).

7. The shell ring according to claim 6, characterized in that the reinforcing mesh (146) is attached to the inner wall of the prefabricated wall panel (111), and the reinforcing mesh (146) is connected to the two connected prefabricated wall panels (111) in an anchoring manner.

8. The shell ring according to claim 1, wherein the connecting member (14) comprises a plurality of steel wire ropes (141) and a plurality of steel bar anchor rings (142), the steel bar anchor rings (142) are pre-embedded in the inner wall of each prefabricated wall panel (111), the steel wire ropes (141) are arranged in the corresponding steel bar anchor rings (142), and the steel wire ropes (141) are distributed in the adjacent two prefabricated concrete formworks (11) in a staggered manner.

9. The shell ring according to claim 8, characterized in that the steel wire ropes (141) are closed rope rings, vertical steel bars (143) are inserted into the steel wire ropes (141) which are distributed in a staggered manner, and the vertical steel bars (143) extend along the height direction of the precast concrete formwork (11).

10. A shell ring according to claim 1, characterized in that the cross-section of the shell ring (10) 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 body, characterized in that it comprises a shell section according to any of claims 1-10.