CN112171864A - Prefabricated mould and prefabricated process for sectional prefabricated concrete tower pipe sheet - Google Patents

Abstract

The invention discloses a prefabricated mould of a sectional prefabricated assembly type concrete tower pipe sheet and a prefabricated process, wherein the prefabricated mould comprises a mould table fixed on a foundation, an inner mould fixedly arranged above the mould table and a bottom mould fixedly connected with the bottom of the inner mould; further comprising: the outer die is connected with the die table in a sliding mode through a sliding rail arranged above the die table and is detachably connected with the inner die and the bottom die through top and bottom clamps respectively; the side dies are symmetrically arranged on two sides of the width direction of the inner die, one side of each side die is movably connected with the inner die, and the other side of each side die is detachably connected with the outer die through a side clamp. The prefabricated technology is based on the prefabricated mould, introduces the mechanized construction concept of the assembled components, standardizes the construction flow, reduces the manual intervention degree, improves the segment prefabrication precision, and realizes the mass and intensive production of the concrete segments.

Description

Prefabricated mould and prefabricated process for sectional prefabricated concrete tower pipe sheet

Technical Field

The invention relates to the technical field of onshore wind power generation, in particular to a prefabricated mould and a prefabricated process for sectional prefabricated assembly type concrete tower pipe sheets.

Background

The reinforced concrete tower is a novel tower type released in the onshore wind power industry in recent years, wherein the concrete tower is mostly prefabricated, and the concrete tower is large in size and is often manufactured in a slicing mode. The conventional concrete pipe is usually poured in a lying-down mode or a lying-down mode, the construction mode has the advantages that the manual concrete surface area is large, the construction process requirement is high, the construction efficiency is low, the construction quality and precision are not easy to control, the pouring quality and the appearance of the inner side and the outer side of the concrete pipe are difficult to ensure, and the overall safety and the attractiveness of the steel-concrete tower are further influenced; in addition, compound die and drawing of patterns process are loaded down with trivial details among the current concrete segment prefabrication technology, and the requirement of manual process is high, and production efficiency is lower, need accomplish under the assistance of loop wheel machine usually during the drawing of patterns, not only arouses the collision deformation of mould easily at this in-process, and then influences the cyclic utilization number of times and the prefabrication efficiency of mould, also can cause the damage to the segment body, influences the segment quality.

Based on the situation, the invention provides a prefabricated mould and a prefabricated process for the sectional prefabricated concrete tower pipe sheet, which can effectively solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention firstly provides the segmental prefabricating mould for the prefabricated concrete tower tube sheet, which can perform 'vertical' pouring on the concrete tube sheet, reduce the area of manual surface folding, control the production quality of the tube sheet and ensure the apparent quality of the inner surface and the outer surface of the tube sheet. The invention is realized by the following technical scheme:

a prefabricated mould for a segment of a ring cylinder section quarter segment of a cone-cylinder-shaped prefabricated assembly type concrete tower comprises a mould table fixed on a foundation, an inner mould which is fixedly arranged above the mould table and has a certain radian, and a bottom mould which is fixedly connected with the bottom of the inner mould; further comprising:

the outer die is connected with the die table in a sliding mode through a sliding rail arranged above the die table and is detachably connected with the inner die and the bottom die through top and bottom clamps respectively, and die assembly or die disassembly of the outer die, the inner die and the bottom die is achieved;

the side dies are symmetrically arranged on two sides of the width direction of the inner die, one side of each side die is rotatably connected with the inner die, and the other side of each side die is detachably connected with the outer die through a side clamp, so that the outer die and the side dies are assembled or disassembled.

In the structure, the bottom and the top of the outer die are provided with a plurality of clamps, the outer die is fastened or separated by clamping or releasing the clamps, and the outer die is connected with the die table in a sliding manner through the sliding rail arranged above the die table, so that the outer die can move in a guiding manner; one side of the left side die and the right side die is hinged with the inner die through a rotating shaft, the side dies can rotate along the rotating shaft to realize die assembly or die disassembly of the side dies, the other side of the side dies is vertically provided with a plurality of clamps, and the fastening or the disconnection of the outer die and the side dies is realized through clamping or releasing of the clamps; the modules such as the die table, the outer die, the inner die, the bottom die, the side die and the like are reliably connected to form a vertical semi-closed space for pouring and forming a concrete pipe piece, and after the pipe piece is formed, guided demolding can be realized through the slide rail and the roller device.

Preferably, the inner side of the inner die is supported on the die table through an inner die inclined strut, and two ends of the inner die inclined strut are connected with the die table and the inner die through bolts or welding respectively, so that the stability of the inner die in the construction process is ensured.

Preferably, the outer die is formed by splicing 2 outer die modules, the bottom parts of the 2 outer die modules are respectively provided with a roller device, and the roller devices can slide along the sliding rails to realize the demoulding of the outer die.

Preferably, a plurality of vertical and circumferential stiffening ribs are arranged on the outer sides of the inner die and the outer die, and a plurality of transverse stiffening ribs are arranged on the side die to improve the integral rigidity of the die.

Due to the structure, the arrangement of the stiffening ribs can improve the integral rigidity of the mould, prevent the mould from deforming during concrete pouring and improve the recycling times of the mould.

Preferably, the inner die and the outer die are provided with a plurality of fixing supports at intervals in the height direction, and the fixing supports are fixed with variable frequency vibration machines.

Due to the structure, the frequency conversion vibration machine frequency can be adjusted according to different casting stages so as to ensure the casting quality and compactness of the concrete segment.

Preferably, the left side and the right side of the inner die are respectively provided with a plurality of detachable nut mounting groove embedded parts along the vertical direction, the corresponding height position of each side die and the nut mounting groove embedded parts is provided with an arc-shaped drawing rod through hole, and a nut mounting groove and a prestressed bent bolt pore passage are naturally formed at the nut mounting groove embedded parts and the arc-shaped drawing rods after concrete pouring and are used for assembling type splicing between adjacent segments; the smaller side of the drawing rod is inserted into the nut mounting groove embedded part, and the larger side of the diameter is fixed on the inner mold, so that the arc drawing rod can be smoothly drawn out after pouring and forming.

Preferably, the upper part of the inner side of the inner die is provided with a workbench, the workbench is provided with a ladder stand, and constructors can go up and down the workbench through the ladder stand.

Preferably, the mould top sets up the pre-buried nail temporary fixation point that hangs of two sections of jurisdiction, and the pre-buried nail that hangs in two points department during pouring, line between two points pass through the section of jurisdiction focus, and two hang the nail as the hoisting point during the section of jurisdiction drawing of patterns, and the drawing of patterns process can satisfy and lift by crane perpendicularly, avoids the section of jurisdiction part that non-perpendicular lifts by crane arouses to collide with and the concatenation difficulty.

Preferably, the joint of the outer die, the inner die and the side die is chamfered.

The invention also aims to solve the problem of providing a segmental prefabrication process for prefabricated concrete tower duct pieces, which utilizes the segmental prefabrication mould for prefabricated concrete tower duct pieces, combines the mechanized construction concept of prefabricated components, realizes the mass and intensive production of concrete duct pieces, improves the production efficiency of the duct pieces and ensures the prefabrication precision of the duct pieces. Therefore, the invention adopts the following technical scheme:

a prefabricated technology for prefabricating prefabricated concrete tower pipe slices in segments comprises the following steps:

s1, at the beginning of each construction shift, firstly checking whether each part of the mould is deformed and damaged, checking the inner surface of the mould, removing surface residues, ensuring the inner surface of the mould to be smooth, and coating all the inner surfaces with a release agent;

s2, binding the segment steel reinforcement cage according to the requirement of a construction drawing, binding and fixing a plurality of dry-mixed concrete cushion blocks at the inner side, the outer side and the bottom of the steel reinforcement cage, forming a segment concrete protective layer, and temporarily supporting the steel reinforcement cage during pouring to ensure the overall stability of the steel reinforcement cage in a mold.

S3, hoisting the reinforcement cage into the mold, supporting the reinforcement cage on the bottom mold through the bottom cushion block, enabling the cushion block on the inner side of the reinforcement cage to be tightly attached to the inner mold, and then adjusting the circumferential position of the reinforcement cage to ensure the thickness of the concrete protective layer on the side surface of the pipe sheet;

s4, sliding the two outer molds to the clamp along the guide rail, clamping the clamps at the top and the bottom, screwing down the connecting bolt between the two outer molds, and stably fixing the outer molds on the mold table;

s5, checking the stability of the steel reinforcement cage in the mould, ensuring that all cushion blocks of the steel reinforcement cage are tightly attached to the mould, closing the left side mould and the right side mould and clamping by using a clamp;

s6, inserting a drawing rod at the perforation of the side mould, inserting one end of the drawing rod into the nut mounting groove embedded part of the inner mould, fixing the other end of the drawing rod on the side mould, and fixing the hanging nail embedded part on a temporary fixing point at the top of the mould to be used as a segment hanging point after demoulding;

s7, pouring concrete into the mold, inserting a handheld vibrator, vibrating while pouring to ensure the compactness of the duct piece concrete, starting a variable frequency vibrator, adjusting the frequency of the vibrator at different positions along with the rising of the pouring height, and removing bubbles between the duct piece concrete and the mold;

s8, after pouring is finished, manually collecting the upper surface of the duct piece by taking the top edge of the mold as a reference, and repeatedly trowelling to finish the pouring of the duct piece;

s9, performing on-site steam curing on the concrete segment and the whole mould, starting demoulding operation after quickly improving the strength of the concrete to the demoulding strength, pulling out the pulling rods on the side moulds, releasing all clamps, opening the left side mould and the right side mould, detaching the connecting bolt between the two outer moulds, manually pulling the outer moulds outwards along the guide rail to separate the outer moulds from the segment;

and S10, screwing the hanging nail screw into the embedded part at the top, taking the two hanging nails as hanging points, and vertically hoisting and transferring the pipe piece to a storage yard for maintenance and stacking by using a crane.

Compared with the prior art, the invention has the following advantages and beneficial effects:

(1) the segmental prefabricating mold for the prefabricated concrete tower tube piece is reasonable in structural design, operability and convenience of the mold during concrete tube piece pouring are fully considered, and requirements on appearance, quality and function of the concrete tube piece are met.

(2) The invention realizes the 'vertical' pouring of the concrete duct piece, the inner side and the outer side of the concrete tower duct piece are in direct contact with the mould, the mould is directly demoulded after the pouring, the large-area manual surface collection is not needed, the flatness is high, the apparent quality is good, the construction process is simplified, and the production efficiency can be greatly improved.

(3) The vertical type concrete segment pouring device has the advantages that the vertical type concrete segment pouring is realized, the concrete segment can be directly assembled in an original state after the pouring and maintenance of the concrete segment are finished, the turning-over and the rotation are not needed, the operation is simple and convenient, and the quality risk and the safety risk caused by the turning-over and the rotation are avoided.

(4) The outer mold is split into 2 pieces, so that the adsorption force and the adhesive force of concrete to the mold during demolding are reduced compared with the whole piece, and the demolding is convenient.

(5) According to the invention, the bottom of each outer mold is provided with the roller and the guide rail, the top and the bottom of each outer mold are provided with the clamps, the opening and closing of the inner mold and the outer mold are realized through the clamps, the rollers and the guide rails, the left side mold and the right side mold adopt a door spindle type rotary opening and closing design, the whole mold system can be manually demoulded without other mechanical auxiliary equipment, the operation is simple and convenient, the deformation and damage possibly caused by mechanical mold dismounting are avoided, and the recyclable frequency of the mold is reduced.

(6) According to the invention, the working platform is arranged at the top of the inner die, the crawling ladders are arranged around the whole die, and the operation and observation are convenient during concrete pouring; the inside and outside mould outside all sets up a plurality of frequency conversion vibrators, adjusts the vibrator frequency according to the stage of pouring of difference and vibrates the concrete, can fully guarantee the quality of pouring of section of jurisdiction.

(7) The die at the edge of the duct piece is provided with the chamfer, so that the collision damage of the edge of the duct piece in the demoulding process can be effectively avoided, and the secondary treatment of the joint of the duct piece in the subsequent construction stage is facilitated.

(8) The invention provides a duct piece prefabrication process on the basis of the duct piece prefabrication mould for the sectional prefabricated assembly type concrete tower, which introduces a mechanized construction concept of an assembly type component, standardizes a construction process, reduces the degree of manual intervention, improves duct piece prefabrication precision, realizes mass and intensive production of concrete duct pieces, improves duct piece production efficiency, is beneficial to quick dry assembly of duct pieces in a construction stage, and can greatly reduce a construction period.

Drawings

Fig. 1 is an inside isometric view of a prefabricated concrete tower segment mold according to an embodiment of the present invention.

Fig. 2 is an outboard isometric view of a prefabricated concrete tower segment mold according to the novel embodiment of the invention.

Fig. 3 is a plan view of a prefabricated concrete tower segment mold according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the assembly of the inner mold and the outer mold in the embodiment of the invention.

FIG. 5 is a schematic drawing showing the demolding of the inner and outer molds in the embodiment of the present invention.

Fig. 6 is a front view of the inner mold in an embodiment of the invention.

FIG. 7 is an elevation view of an outer mold in an embodiment of the invention.

FIG. 8 is a side view of an outer mold in an embodiment of the invention.

Fig. 9 is a front view of a side mold in an embodiment of the invention.

Fig. 10 is a plan view of a bottom mold in an embodiment of the present invention.

FIG. 11 is a plan view of a table in an embodiment of the present invention.

Fig. 12 is a schematic view of the connection of the arc-shaped extraction rod and the nut mounting groove embedded part in the embodiment of the invention.

FIG. 13 is a sectional view showing a mold clamping process in the embodiment of the present invention.

FIG. 14 is an isometric view of an embodiment of the invention after clamping.

FIG. 15 is a cross-sectional view of the mold after clamping in the embodiment of the present invention.

FIG. 16 is a cross-sectional view of a demolding process in an embodiment of the invention.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1 to 12, the prefabricated concrete tower segment mould is a steel mould and comprises a mould table 1, a bottom mould 2, an inner mould 3, an outer mould 4, side moulds 5 (left and right), a workbench 6, a variable frequency vibration machine, a ladder stand 7, an arc drawing rod 9, a roller device 12, a slide rail 16, a nut mounting groove embedded part 17, a support system and other components. The mould platform 1 is a box-shaped steel structure platform and is formed by welding profile steel and steel plates, and the bottom of the mould platform is fixedly connected with a foundation through a bolt assembly to provide a fixing platform for a concrete pipe piece mould. The concrete segment is 1/4 circles in the circumferential direction and has a certain taper.

The mould platform 1 is fixed in the ground through a plurality of bolt assembly, centre form 3 passes through bolted connection or welds on mould platform 1, and the centre form inboard supports on mould platform 1 through centre form bracing 8, and centre form bracing 8 both ends link to each other with mould platform 1 and centre form 3 respectively through bolted connection or welding, guarantee the stability of centre form 3 in the work progress. The die table 1 is provided with four slide rails 16, and the roller device 12 can move along the slide rails 16.

A plurality of stiffening ribs are arranged below the steel plate of the bottom die 2, one end of each stiffening rib is connected with the inner die 3 through bolts or welding, the other end of each stiffening rib is provided with a bottom clamp 10, and the bottom of the outer die 4 can be fastened and separated by adjusting the bottom clamp 10 to clamp or release.

The outer die 4 is divided into two pieces, 2 fixing supports 11 are welded among proper stiffening ribs on the outer side of each outer die module, the variable frequency vibrator is fixed on the fixing supports 11, and concrete in the die is vibrated by adjusting the frequency of the vibrator according to different pouring stages. Two groups of roller devices 12 are arranged at the bottom of each outer mold module of the outer mold 4, outer mold inclined struts 13 are arranged on the roller devices 12, and stiffening ribs at different heights of the outer mold 4 are connected with the outer mold inclined struts 13 through bolts or welding respectively, so that the outer mold 4 is stably connected with the roller devices 12.

The side die 5 comprises a left side die and a right side die, one end of the side die 5 is fixed on the left side wall and the right side wall of the inner die 3 through a rotating shaft respectively, the side die 5 can rotate along the rotating shaft, the other end of the side die is provided with a plurality of side clamps 15, and the outer die 4 and the side die 5 can be tensioned or separated by adjusting the side clamps 15.

The top of the inner die 3 is provided with a plurality of top clamps 14, when the die is closed, the outer die 4 is moved along the slide rail 16 through the sliding roller device 12, the side die 5 is rotated, after the outer die 4 and the side die 5 are in place, the top clamps 14 are adjusted to clamp the top of the outer die 4, the bottom clamps 10 are adjusted to clamp the bottom of the outer die 4, the side clamps 15 are adjusted to clamp the outer die 4 and the side die 5, and the whole die closing process is completed. When demoulding, all the clamps are released, the external mold 4 is moved along the direction of the slide rail 16 to separate the external mold 4, the side mold 5 is rotated to separate the side mold 5, and then the segment is lifted away by a crane to complete the whole demoulding process.

3 left and right sides of centre form respectively set up 4 detachable nut mounting groove along direction of height and bury piece 17, and side form 5 is highly going out to set up 4 perforation corresponding, and every perforation penetrates an arc and pulls out excellent 9, and the less one side of arc pulling out excellent 9 diameter inserts in nut mounting groove buries piece 17, and the great one side of diameter is fixed in side form 5 through the nut on, and the section of jurisdiction is pour and is extracted arc pulling out excellent 9 after accomplishing the drawing of patterns, forms nut mounting groove and the curved bolt pore of prestressing force. The side die 5 is provided with an opening at a required position, the arc-shaped pulling rod 9 is temporarily fixed on the side die 5 through a bolt and a gasket, and the concrete is poured into the concrete segment.

Two temporary fixing points of the hanging nails are arranged at the tops of the inner die 3 and the outer die 4, the hanging nails are embedded at two points during pouring, the connecting line between the two points passes through the gravity center of the duct piece, the two hanging nails serve as hanging points during duct piece demoulding, the duct piece can be guaranteed to be lifted vertically, and the local collision and splicing difficulty of the duct piece caused by non-vertical lifting are avoided.

Workstation 6 through bolted connection or welded fastening on centre form 3, workstation 6 has set up centre form bracing 8, guarantees 6 structural stability of workstation, and workstation 6 provides personnel's operating space during concrete placement, and 6 sides of workstation set up cat ladder 7, use from top to bottom for the application worker.

As shown in fig. 13 to 16, the present invention provides a production process of prefabricated concrete tower segment by segment based on the prefabricated mold of prefabricated concrete tower segment by segment, the process includes the following steps:

(1) at the beginning of each construction shift, firstly checking whether each part of the mould is deformed and damaged, checking the inner surfaces of the inner mould 3, the outer mould 4, the side mould 5 and the bottom mould 2, removing surface residues, ensuring the smooth surface, and coating a release agent on all the inner surfaces;

(2) and binding the segment reinforcement cage 18 according to the requirement of a construction drawing, and binding and fixing a plurality of dry concrete cushion blocks 19 at the inner side, the outer side and the bottom of the reinforcement cage 18 to ensure that the concrete cushion blocks 19 are firmly fixed on the reinforcement cage 18.

(3) Hoisting a reinforcement cage 18 into the mold, supporting the reinforcement cage 18 on the bottom mold 2 through a cushion block 19, enabling the cushion block 19 on the inner side of the reinforcement cage 18 to be tightly attached to the inner mold 3, and adjusting the circumferential position of the reinforcement cage 18 by taking the left side mold 5 and the right side mold 5 as boundaries to meet the thickness requirement of the side surface protective layer;

(4) sliding the two outer dies 4 to the top clamp 14 and the bottom clamp 10 along the guide rail 16, clamping the top clamp 14 and the bottom clamp 10, screwing the connecting bolts between the two outer dies, and stably fixing the outer dies 4 on the die table;

(5) checking the stability of a reinforcement cage 18 in the mold, ensuring that all cushion blocks 19 on the reinforcement cage 18 are tightly attached to the inner mold 3, the outer mold 4 and the bottom mold 2, closing the left side mold 5 and the right side mold 5 and clamping the side clamps 15;

(6) the drawing rod 9 is inserted into the side die through hole, one end of the drawing rod is inserted into the inner die nut mounting groove embedded part 17, and the other end of the drawing rod is fixed on the side die 5. Meanwhile, a hanging nail embedded part is embedded in the top of the steel reinforcement cage 18 to be used as a segment hanging point after demoulding;

(7) pouring concrete into the mould, inserting a handheld vibrator from the upper opening of the mould, vibrating while pouring, starting a variable frequency vibrator on a fixed support 11, adjusting the frequency of the vibrator at different positions along with the rising of the pouring height, and removing bubbles between the duct piece concrete and the inner surface of the mould;

(8) after pouring is finished, manually collecting the upper surface of the duct piece by taking the top edges of the outer die 4 and the inner die 3 as references, and repeatedly trowelling to form the duct piece 20;

(9) building a steam shed on site, carrying out steam curing on the pipe piece 20, starting demoulding after the demoulding strength is reached, pulling out the pulling rods 9 on the side moulds 5, releasing the top clamp 14, the bottom clamp 10 and the side clamps 15, opening the left side mould 5 and the right side mould 5, detaching the connecting bolts between the two outer moulds 4, manually sliding the roller device 12 at the lower part of the outer mould 4, and outwards pulling away the outer mould 4 along the guide rail 16 to separate the outer mould 4 from the pipe piece 20;

(10) and screwing the lifting screw rods into the embedded parts at the tops of the duct pieces 20, taking the two lifting screws as lifting points, and vertically lifting the duct pieces 20 to a storage yard by using a crane for maintenance and stacking.

According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the prefabricated mould for the segment prefabricated assembled concrete tower tube segment of the invention and can produce the positive effects recorded in the invention.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplicity of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and are not to be construed as a limitation of the present patent, and the specific meaning of the above terms can be understood by those skilled in the art according to the specific circumstances with reference to the drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims (10)

1. The prefabricated mould for the sectional prefabricated assembly type concrete tower pipe sheets is characterized by comprising a mould table fixed on a foundation, an inner mould which is fixedly arranged above the mould table and has a certain radian, and a bottom mould which is fixedly connected with the bottom of the inner mould; further comprising:

the outer die is connected with the die table in a sliding mode through a sliding rail arranged above the die table and is detachably connected with the inner die and the bottom die through top and bottom clamps respectively, and die assembly or die disassembly of the outer die, the inner die and the bottom die is achieved;

the side dies are symmetrically arranged on two sides of the width direction of the inner die, one side of each side die is rotatably connected with the inner die, and the other side of each side die is detachably connected with the outer die through a side clamp, so that the outer die and the side dies are assembled or disassembled.

2. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the inner side of the inner die is supported on the die table through an inner die inclined strut, and two ends of the inner die inclined strut are connected with the die table and the inner die through bolts or welded respectively, so that the stability of the inner die in the construction process is guaranteed.

3. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the outer mold is formed by splicing 2 outer mold modules, and the bottom parts of the 2 outer mold modules are respectively provided with a roller device which can slide along the slide rail to realize the demolding of the outer mold.

4. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the outside of centre form and external mold all sets up a plurality of vertical and hoop stiffening rib, the side form sets up a plurality of horizontal stiffening rib to improve mould bulk rigidity.

5. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the inner die and the outer die are provided with a plurality of fixing supports at intervals in the height direction, and the fixing supports are fixed with variable frequency vibration machines.

6. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the left side and the right side of the inner die are respectively provided with a plurality of detachable nut mounting groove embedded parts along the vertical direction, arc-shaped drawing rod through holes are arranged at the positions of the side dies, which correspond to the nut mounting groove embedded parts, and nut mounting grooves and prestressed bent bolt pore passages are naturally formed at the nut mounting groove embedded parts and the arc-shaped drawing rods after concrete pouring and are used for assembling and splicing adjacent segments; the smaller side of the drawing rod is inserted into the nut mounting groove embedded part, and the larger side of the drawing rod is fixed on the side mold, so that the arc drawing rod can be smoothly drawn out after pouring and forming.

7. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the inboard top of centre form sets up the workstation, and the workstation is furnished with the cat ladder, workstation about constructor's accessible cat ladder.

8. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: the mould top sets up the pre-buried nail temporary fixation point that hangs of two sections, and the pre-buried nail that hangs in two points department during pouring, line between two points is through the section of jurisdiction focus, and two are hung the nail as the hoisting point during the section of jurisdiction drawing of patterns, and the drawing of patterns process can satisfy and lift by crane perpendicularly, avoids the section of jurisdiction part that non-perpendicular lifted by crane arouses to collide with and splice the difficulty.

9. The prefabricated mould of prefabricated assembled concrete tower tube sheet of burst of claim 1, characterized in that: and chamfering the joint of the outer die, the inner die and the side die.

10. A prefabricated technology for a segmental prefabricated assembly type concrete tower segment is characterized in that a prefabricated mould for the segmental concrete tower segment according to claim 1 is adopted, so that mass and intensive production of concrete segments is realized, the production efficiency of the segments is improved, and the prefabrication precision of the segments is ensured; the prefabrication process comprises the following steps:

s1, at the beginning of each construction shift, firstly checking whether each part of the mould is deformed and damaged, checking the inner surface of the mould, removing surface residues, ensuring the inner surface of the mould to be smooth, and coating all the inner surfaces with a release agent;

s2, binding segment steel reinforcement cages according to the requirements of a construction drawing, binding and fixing a plurality of dry concrete cushion blocks on the inner side, the outer side and the bottom of the steel reinforcement cages, forming segment concrete protective layers, and serving as temporary supports of the steel reinforcement cages during pouring to ensure the overall stability of the steel reinforcement cages in a mold;

s3, hoisting the reinforcement cage into the mold, supporting the reinforcement cage on the bottom mold through the bottom cushion block, enabling the cushion block on the inner side of the reinforcement cage to be tightly attached to the inner mold, and then adjusting the circumferential position of the reinforcement cage to ensure the thickness of the concrete protective layer on the side surface of the pipe sheet;

s4, sliding the two outer molds to the clamp along the guide rail, clamping the clamps at the top and the bottom, screwing down the connecting bolt between the two outer molds, and stably fixing the outer molds on the mold table;

s5, checking the stability of the steel reinforcement cage in the mould, ensuring that all cushion blocks of the steel reinforcement cage are tightly attached to the mould, closing the left side mould and the right side mould and clamping by using a clamp;

s6, inserting a drawing rod at the perforation of the side mould, inserting one end of the drawing rod into the nut mounting groove embedded part of the inner mould, fixing the other end of the drawing rod on the side mould, and fixing the hanging nail embedded part on a temporary fixing point at the top of the mould to be used as a segment hanging point after demoulding;

s7, pouring concrete into the mold, inserting a handheld vibrator, vibrating while pouring to ensure the compactness of the duct piece concrete, starting a variable frequency vibrator, adjusting the frequency of the vibrator at different positions along with the rising of the pouring height, and removing bubbles between the duct piece concrete and the mold;

s8, after pouring is finished, manually collecting the upper surface of the duct piece by taking the top edge of the mold as a reference, and repeatedly trowelling to finish the pouring of the duct piece;

s9, performing on-site steam curing on the concrete segment and the whole mould, starting demoulding operation after quickly improving the strength of the concrete to the demoulding strength, pulling out the pulling rods on the side moulds, releasing all clamps, opening the left side mould and the right side mould, detaching the connecting bolt between the two outer moulds, manually pulling the outer moulds outwards along the guide rail to separate the outer moulds from the segment;

and S10, screwing the hanging nail screw into the embedded part at the top, taking the two hanging nails as hanging points, and vertically hoisting and transferring the pipe piece to a storage yard for maintenance and stacking by using a crane.

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