CN112936571B - Forming construction method of prefabricated tower barrel - Google Patents

Forming construction method of prefabricated tower barrel Download PDF

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Publication number
CN112936571B
CN112936571B CN201911173378.0A CN201911173378A CN112936571B CN 112936571 B CN112936571 B CN 112936571B CN 201911173378 A CN201911173378 A CN 201911173378A CN 112936571 B CN112936571 B CN 112936571B
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tower
pouring
cavity
mold
pouring cavity
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CN201911173378.0A
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CN112936571A (en
Inventor
赵晓军
任恩平
邓飞
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Jinke New Energy Co ltd
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Jinke New Energy Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/76—Moulds
    • B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
    • B28B21/04—Methods or machines specially adapted for the production of tubular articles by casting into moulds by simple casting, the material being neither positively compacted nor forcibly fed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/90—Methods or apparatus for demoulding or discharging after shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Abstract

The invention discloses a molding construction method of a prefabricated tower drum, which comprises the following steps: s1: preparing a pouring mold, wherein the pouring mold comprises a bottom mold and side molds arranged on the bottom mold to define a pouring cavity, and the side molds comprise inner templates and outer templates which are used for defining the side walls of the pouring cavity on two sides in the thickness direction; s2: pouring concrete into the pouring cavity; s3: after the injected concrete is solidified into a tower cylinder or a tower sheet, a demoulding procedure is carried out; in the demoulding procedure, a jacking device is adopted to jack the tower drum or the tower sheet upwards so as to be separated from the bottom mould. According to the forming construction method of the prefabricated tower barrel, the tower barrel or the tower piece solidified in the pouring cavity is upwards jacked through the jacking device, so that the tower barrel or the tower piece is separated from the bottom die, the tower barrel or the tower piece can be exposed out of the pouring cavity, the tower barrel or the tower piece can be taken out of the pouring cavity, and the demolding efficiency can be improved.

Description

Forming construction method of prefabricated tower barrel
Technical Field
The invention relates to the technical field of wind power generation, in particular to a forming construction method of a prefabricated tower barrel.
Background
As the application of concrete is more and more extensive, the technology for forming and manufacturing concrete is more and more mature, but in the related technology, when a mould is used for producing some concrete structures with specific shapes, the mould is difficult to be demoulded.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a forming construction method of a prefabricated tower drum, which has high demoulding efficiency.
The forming construction method of the prefabricated tower barrel according to the embodiment of the invention comprises the following steps: s1: preparing a pouring mold, wherein the pouring mold comprises a bottom mold and side molds arranged on the bottom mold to define a pouring cavity, and the side molds comprise inner templates and outer templates which are used for defining the side walls of the pouring cavity on two sides in the thickness direction; s2: pouring concrete into the pouring cavity; s3: after the injected concrete is solidified into a tower cylinder or a tower sheet, a demoulding procedure is carried out; in the demoulding procedure, a jacking device is adopted to jack the tower drum or the tower piece upwards so as to be separated from the bottom die.
According to the forming construction method of the prefabricated tower drum, the tower drum or the tower piece solidified in the pouring cavity is lifted upwards through the lifting device, so that the tower drum or the tower piece is separated from the bottom die, the tower drum or the tower piece can be exposed out of the pouring cavity, the tower drum or the tower piece can be taken out of the pouring cavity, and the demolding efficiency can be improved.
The forming construction method of the prefabricated tower barrel can also have the following additional technical characteristics:
according to the forming construction method of the prefabricated tower barrel, in the demolding procedure, the tower barrel or the tower piece is hoisted by the aid of a crane.
According to the forming construction method of the prefabricated tower cylinder, at least part of the side mold is detachably connected to the bottom mold, and at least part of the side mold is detached from the bottom mold before the tower cylinder or the tower piece is lifted upwards in a demolding procedure.
Optionally, the casting cavity is cylindrical or arc-shaped, the outer formwork is used for constructing an outer circumferential wall of the casting cavity, the inner formwork is used for constructing an inner circumferential wall of the casting cavity, and the outer formwork is detached from the bottom formwork before the tower drum or the tower piece is lifted upwards in the demolding process.
Optionally, after the tower drum or the tower plate is lifted upwards, the inner formwork is detached from the bottom formwork.
Optionally, the pouring mold defines a plurality of pouring cavities, the pouring cavities are arranged at intervals in the radial direction, the outer template which is detachable and corresponds to the outer side of each pouring cavity is arranged on the radial outer side of each pouring cavity, the inner template which is detachable and corresponds to the inner side of each pouring cavity is arranged on the radial inner side of each pouring cavity, the pouring cavities are sequentially detached from the outside to the inside in a demolding procedure, the outer template is detached from each pouring cavity when each pouring cavity is detached, then the tower drum or the tower piece is jacked, and then the inner template is detached; in two adjacent pouring cavities, the outer formwork of the pouring cavity at the inner periphery is disassembled after the inner formwork of the pouring cavity at the outer periphery is disassembled.
According to the forming construction method of the prefabricated tower cylinder, the bottom die is provided with the jacking holes, the jacking device is provided with the jacking rods, and the jacking rods are driven to extend into the pouring cavity from the jacking holes in the demolding procedure so as to jack up the bottom of the tower cylinder or the tower piece.
Optionally, the bottom die is provided with a plurality of jacking holes along the same circumferential length direction of the pouring cavity, so that each tower cylinder or each tower piece is jacked by a plurality of jacking rods.
Optionally, the die block is of a double-layer structure, the upper layer of the die block is connected with the side die to limit the pouring cavity, and the jacking device is connected to the lower layer of the die block.
Optionally, the lower layer of the bottom die is a self-balancing reaction frame connected to the upper layer.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a method of forming a prefabricated tower according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a casting mold of a molding construction method of a prefabricated tower according to an embodiment of the invention;
FIG. 3 isbase:Sub>A partial cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural view of an angle of a bottom mold of a casting mold in a prefabricated tower barrel molding construction method according to an embodiment of the invention;
fig. 5 is a schematic structural view of another angle of a bottom mold of a casting mold in a prefabricated tower drum forming construction method according to an embodiment of the invention.
Reference numerals are as follows:
a pouring mold 100,
Bottom die 1, jacking holes 11, self-balancing reaction frame 12, inner frame ring 121, outer frame ring 122, radiation beam 123,
A side die 2, an inner die plate 21, an outer die plate 22,
The casting cavity 3, the first casting cavity 31 and the second casting cavity 32.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The following describes a construction method for forming a prefabricated tower according to an embodiment of the invention with reference to fig. 1 to 4.
As shown in fig. 1 to 4, the method for forming and constructing a prefabricated tower barrel according to the embodiment of the invention includes the following steps, S1: preparing a pouring mold 100, wherein the pouring mold 100 comprises a bottom mold 1 and side molds 2 arranged on the bottom mold 1 to define a pouring cavity 3, and the side molds 2 comprise an inner mold plate 21 and an outer mold plate 22 for defining two side walls of the pouring cavity 3 in the thickness direction; s2: concrete is injected into the pouring cavity 3; s3: after the injected concrete is solidified into a tower cylinder or a tower sheet, a demoulding procedure is carried out; in the demoulding process, the tower barrel or the tower piece is lifted upwards by a lifting device so as to be separated from the bottom mould 1.
Specifically, the casting mold 100 may include a bottom mold 1 and a side mold 2, the side mold 2 is mounted on the bottom mold 1, further, the side mold 2 includes an inner mold plate 21 and an outer mold plate 22, and the inner mold plate 21, the outer mold plate 22 and the bottom mold 1 together define a casting cavity 3. For example, as shown in fig. 2 and 3, the inner formwork 21 and the outer formwork 22 extend in an up-and-down direction, the lower ends of the inner formwork 21 and the outer formwork 22 may be fixedly installed on the upper surface of the bottom formwork 1, both the inner formwork 21 and the outer formwork 22 may be formed in a cylindrical shape, the outer formwork 22 is sleeved on the outer side of the inner formwork 21, the inner formwork 21 and the outer formwork 22 are spaced apart in a radial direction, further, in the view shown in fig. 3, the left end surface of the inner formwork 21, the right end surface of the outer formwork 22 and the upper surface of the bottom formwork 1 jointly define a casting cavity 3 with an upward opening, concrete may be injected from the opening at the upper end of the casting cavity 3, and after a certain period of time, the concrete may be cured to form a tower or a tower piece.
Have jacking device (not shown in the figure) at the lower extreme of tower section of thick bamboo or tower piece, behind concrete formation tower section of thick bamboo or tower piece, jacking device can be with tower section of thick bamboo or tower piece jacking upwards, this moment tower section of thick bamboo or tower piece and pour and produce relative motion between the chamber 3, make tower section of thick bamboo or tower piece break away from die block 1, and make tower section of thick bamboo or tower piece expose in pouring the chamber 3, thereby can conveniently take out tower section of thick bamboo or tower piece from pouring the chamber 3, moreover, the steam generator is simple in structure, and the drawing of patterns is efficient.
Therefore, according to the forming construction method of the prefabricated tower drum, the tower drum or the tower piece solidified in the pouring cavity 3 is lifted upwards through the lifting device, so that the tower drum or the tower piece is separated from the bottom die 1, the tower drum or the tower piece can be exposed out of the pouring cavity 3, the tower drum or the tower piece can be taken out of the pouring cavity 3, and the demolding efficiency can be improved.
According to the forming construction method of the prefabricated tower barrel, in the demolding procedure, a crane is adopted to assist in hoisting the tower barrel or the tower piece. Taking the tower as an example, after the concrete is solidified in the pouring cavity 3 to form the tower, the crane is matched with the jacking device, so that the tower can be better driven to move upwards, and the demoulding of the tower can be better carried out. Alternatively, in the process of demoulding the tower through the cooperation of the jacking device and the crane, the operator may perform different operation steps according to actual working requirements and environmental factors during demoulding of the tower, for example, after the concrete is cured to form the tower, the jacking device may jack the tower upwards by a distance so that the tower moves relative to the casting mold 100 in the casting cavity 3, and then the tower is taken out of the casting cavity 3 through the crane, and then, for example, after the concrete is cured to form the tower, the jacking device and the crane may drive the tower simultaneously so that the tower moves upwards to take the tower out of the casting cavity 3.
According to the forming construction method of the prefabricated tower cylinder, at least part of the side mold 2 is detachably connected to the bottom mold 1, and at least part of the side mold 2 is detached from the bottom mold 1 before the tower cylinder or the tower sheet is lifted upwards in the demolding process. In some examples, a portion of the side mold 2 is detachably attached to the bottom mold 1, and in other examples, the entire side mold 2 is detachably attached to the bottom mold 1. For example, a part of the side mold 2 is detachably connected to the bottom mold 1, for convenience of description, the part of the side mold 2 is referred to as a first side mold, and after the concrete is cured and molded, the first side mold can be detached from the bottom mold 1, so that interference of the first side mold on a tower drum or a tower plate can be reduced in a demolding process, and rapid demolding of the tower plate is facilitated. In a specific example, the first side mold may be composed of a part of the inner mold plate 21 and a part of the outer mold plate 22 adjacent to the upper end of the casting cavity 3, and the length of the casting cavity 3 extending in the vertical direction can be reduced after the first side mold is disassembled, so that the upper end of the tower plate is exposed, and therefore, the tower plate can be taken out from the casting cavity 3 more easily, the demolding efficiency of the tower plate is improved, the reliability is high, and the practical effect is good.
Alternatively, the casting cavity 3 is cylindrical or circular arc-shaped, the outer formwork 22 is used for constructing the outer peripheral wall of the casting cavity 3, and the inner formwork 21 is used for constructing the inner peripheral wall of the casting cavity 3. Before the tower or tower is lifted upwards in the demolding process, the outer formwork 22 is detached from the bottom formwork 1. Taking the cylindrical pouring cavity 3 as shown in fig. 2 and 3 as an example, the outer formwork 22 and the inner formwork 21 are both cylindrical, the outer formwork 22 is sleeved outside the inner formwork 21, after the outer formwork 22 and the inner formwork 21 are concentrically installed on the bottom formwork 1, the outer formwork 22, the inner formwork 21 and the bottom formwork 1 jointly define the cylindrical pouring cavity 3, and concrete is poured into the pouring cavity 3 and cured to form a section of a tower drum or a tower drum.
In some examples, the outer form 22 and the inner form 21 may also be both arc-shaped, after the outer form 22 and the inner form 21 are installed on the bottom form 1, the outer form 22, the inner form 21 and the bottom form 1 may define an arc-shaped pouring cavity 3 with an upward opening, after concrete is poured into the pouring cavity 3 and is cured, an arc-shaped tower sheet may be formed, the outer form 22 may be removed when the tower sheet is demolded, and the tower sheet may be directly removed from the tower sheet towards the direction of the outer form 22 after being lifted by the lifting device and the crane, so that the demolding of the tower sheet may be completed quickly, and the tower sheet may be prevented from being damaged during demolding.
Of course, it is understood that the curved casting cavity 3 may also be formed by other building manners, for example, the curved casting cavity 3 may also be formed by the cylindrical casting cavity 3 in an axially spaced manner, that is, a plurality of curved casting cavities 3 are formed in the cylindrical casting cavity 3 in a circumferentially spaced manner, which is not limited herein. Further, the pouring cavity 3 may be set to have different shapes according to actual production requirements to produce concrete structures with different shapes, and then the demolding of the concrete structure is rapidly completed through the demolding manner of the embodiment of the present invention, which is not limited herein.
In some preferred examples, after jacking a tower section of thick bamboo or tower piece upwards, pull down inner formword 21 from die block 1 again, take a tower section of thick bamboo as an example, after the concrete solidification formed a tower section of thick bamboo, demolish outer formword 22 in order to reduce the interference between outer formword 22 and the tower section of thick bamboo when drawing of patterns, thereby be favorable to jacking device and tower crane to jack up a tower section of thick bamboo, after jacking device and tower crane jack up a tower section of thick bamboo, the bottom and the die block 1 of a tower section of thick bamboo break away from, at this moment, demolish inner formword 21 from die block 1, can accomplish the demolition of pouring mould 100, accomplish the drawing of patterns of a tower section of thick bamboo promptly, demoulding effect is good, and is efficient.
Optionally, the pouring mold 100 defines a plurality of pouring cavities 3, the plurality of pouring cavities 3 are arranged at intervals in the radial direction, a corresponding detachable outer template 22 is arranged on the radial outer side of each pouring cavity 3, a corresponding detachable inner template 21 is arranged on the radial inner side of each pouring cavity 3, the plurality of pouring cavities 3 are sequentially removed in the demolding procedure from outside to inside, when each pouring cavity 3 is removed, the outer template 22 is removed first, then a tower drum or a tower plate is lifted, and then the inner template 21 is removed; in two adjacent pouring cavities 3, the inner formworks 21 of the peripheral pouring cavities 3 are dismantled, and then the outer formworks 22 of the inner pouring cavities 3 are dismantled.
For example, as shown in fig. 2 and 3, the casting mold 100 is generally cylindrical, two casting cavities 3 are provided in the radial direction of the casting mold 100, the two casting cavities 3 are arranged at intervals, and each casting cavity 3 is defined by an inner formwork 21, an outer formwork 22 and a bottom formwork 1, for convenience of description, the outer casting cavity 3 is referred to as a first casting cavity 31, the inner casting cavity 3 is referred to as a second casting cavity 32, after concrete is poured into the two casting cavities 3 and cured, the towers in the first casting cavity 31 and the second casting cavity 32 can be demolded, the tower in the first casting cavity 31 can be demolded firstly, specifically, the outer formwork 22 of the first casting cavity 31 is demolded from the bottom formwork 1, then the tower in the first casting cavity 31 is jacked from the bottom formwork 1 by a jacking device and a crane, and then the inner formwork 21 of the first casting cavity 31 is demolded from the bottom formwork 1, thereby completing demolding of the tower in the first casting cavity 31. When the tower in the second pouring cavity 32 is demolded, the outer formwork 22 of the second pouring cavity 32 is firstly detached from the bottom formwork 1, then the tower in the second pouring cavity 32 is jacked up from the bottom formwork 1 through the jacking device and the crane, and then the inner formwork 21 of the second pouring cavity 32 is detached from the bottom formwork 1, so that the demolding of the tower in the second pouring cavity 32 is completed.
Further, when the casting mold 100 radially defines a plurality of casting cavities 3, the tower tube or the tower plate can be demolded from outside to inside according to the demolding mode in the above example, so that the demolding effect is good, and the efficiency is high.
As shown in fig. 4, according to the forming construction method of the prefabricated tower barrel of the embodiment of the invention, the bottom mold 1 is provided with the jacking holes 11, the jacking device is provided with jacking rods (not shown in the figure), and the jacking rods are driven in the demolding process so as to extend into the pouring cavity 3 from the jacking holes 11 to jack up the bottom of the tower barrel or the tower piece. That is to say, after the concrete solidification in pouring chamber 3, jacking rod of jacking device can pass jacking hole 11 to make jacking rod and the lower surface butt of tower section of thick bamboo or tower piece, jacking rod continues upward movement in order to jack up tower section of thick bamboo or tower piece upwards, simple structure, convenient operation.
Optionally, a plurality of jacking holes 11 are formed in the bottom mold 1 along the circumferential length direction of the same casting cavity 3, so that each tower drum or each tower piece is jacked by a plurality of jacking rods. That is to say, jacking device is in the in-process of jacking up tower section of thick bamboo or tower piece, and a plurality of jacking poles pass jacking hole 11 and the lower surface butt of tower section of thick bamboo or tower piece, from this, can be better with the jacking up-jacking of tower section of thick bamboo or tower piece through a plurality of jacking poles. Further, a plurality of jacking holes 11 and a plurality of jacking pole one-to-one, and a plurality of jacking holes 11 evenly set up in the circumference of die block 1 and footpath, from this, a plurality of jacking poles pass behind the lower surface butt of a plurality of jacking holes 11 and tower section of thick bamboo or tower piece, can be so that the atress of the lower surface of tower section of thick bamboo or tower piece is comparatively even for the tower section of thick bamboo makes the in-process of jacking upwards difficult and interior sheathing 21 collision and produce the damage, and drawing of patterns is effectual.
Optionally, die block 1 is bilayer structure, the upper strata of die block 1 links to each other with side form 2 in order to inject and pours chamber 3, the jacking device is connected on the lower floor of die block 1, in some examples, the jacking device is established between the upper strata of die block 1 and lower floor, therefore, can prevent 1 jack-up of die block when the jacking device jacks a tower section of thick bamboo or the tower piece of solidification, thereby make the jacking device can jack-up a tower section of thick bamboo or the tower piece reliably, in addition, die block 1 can also protect the inside of die block 1 with the jacking device, can prevent the damage of jacking device, high reliability, good practical effect.
Alternatively, the lower layer of the bottom die 1 is a self-balancing reaction frame 12 connected to the upper layer, for example, as shown in fig. 5, the bottom die 1 is formed as a circular plate, the self-balancing reaction frame 12 includes an inner frame ring 121, an outer frame ring 122 and a plurality of radiation beams 123, the outer frame ring 122 is sleeved on the inner frame ring 121, the plurality of radiation beams 123 are radial, and the plurality of radiation beams 123 are connected between the inner frame ring 121 and the outer frame ring 122 to reinforce the structural strength, and the inner frame ring 121 and the outer frame ring 122 are respectively connected to the upper layer of the bottom die 1, so as to improve the compressive strength of the bottom die 1.
Other configurations and operations of the prefabricated tower construction method according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
In the description herein, references to the description of the terms "some embodiments," "optionally," "further," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (5)

1. A forming construction method of a prefabricated tower barrel is characterized by comprising the following steps:
s1: preparing a pouring mold, wherein the pouring mold comprises a bottom mold and side molds arranged on the bottom mold to define a pouring cavity, the side molds comprise inner templates and outer templates, the inner templates and the outer templates are used for defining the side walls of the pouring cavity on two sides in the thickness direction, the pouring cavity is cylindrical or arc-shaped, the outer templates are used for constructing the outer peripheral wall of the pouring cavity, and the inner templates are used for constructing the inner peripheral wall of the pouring cavity;
s2: pouring concrete into the pouring cavity;
s3: after the injected concrete is solidified into a tower cylinder or a tower sheet, a demoulding procedure is carried out; in the demolding procedure, a jacking device is adopted to jack the tower drum or the tower piece upwards to be separated from the bottom die, before the tower drum or the tower piece is jacked upwards, the outer template is firstly dismounted from the bottom die, after the tower drum or the tower piece is jacked upwards, the inner template is dismounted from the bottom die, jacking holes are formed in the bottom die, the jacking device is provided with jacking rods, and the jacking rods are driven to extend into the pouring cavity from the jacking holes in the demolding procedure so as to jack up the bottom of the tower drum or the tower piece;
the pouring mold defines a plurality of pouring cavities, the pouring cavities are arranged at intervals along the radial direction, the outer side of each pouring cavity in the radial direction is provided with the corresponding detachable outer template, the inner side of each pouring cavity in the radial direction is provided with the corresponding detachable inner template, the pouring cavities are sequentially dismounted from outside to inside in a demolding procedure, the outer template is firstly dismounted when each pouring cavity is dismounted, then the tower drum or the tower piece is jacked, and then the inner template is dismounted; in two adjacent pouring cavities, the outer formwork of the pouring cavity at the inner periphery is disassembled after the inner formwork of the pouring cavity at the outer periphery is disassembled.
2. The method for forming a prefabricated tower according to claim 1, wherein a crane is used to assist in lifting the tower or the tower plate during the step of demoulding.
3. The method for forming and constructing a prefabricated tower drum according to claim 1, wherein a plurality of the jacking holes are formed in the bottom mold along the circumferential length direction of the same casting cavity, so that each tower drum or each tower piece is jacked up by a plurality of the jacking rods.
4. The method for forming and constructing a prefabricated tower barrel according to claim 1, wherein the bottom die is of a double-layer structure, an upper layer of the bottom die is connected with the side die to define the pouring cavity, and the jacking device is connected to a lower layer of the bottom die.
5. The method for forming and constructing a prefabricated tower barrel according to claim 4, wherein the lower layer of the bottom die is a self-balancing reaction frame connected to the upper layer.
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