CN109750892B - Prefabricated assembly type hybrid fan tower formwork supporting method and device - Google Patents
Prefabricated assembly type hybrid fan tower formwork supporting method and device Download PDFInfo
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- CN109750892B CN109750892B CN201910048594.6A CN201910048594A CN109750892B CN 109750892 B CN109750892 B CN 109750892B CN 201910048594 A CN201910048594 A CN 201910048594A CN 109750892 B CN109750892 B CN 109750892B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 prefabricated assembly type mixed fan tower support template supporting method and device, which comprise a base, a bottom plate, a bottom die and anchor cable positioning pipes, wherein inner die positioning holes are uniformly distributed at the inner edge of the top surface of the bottom die, an inner die and an outer die are arranged at the top end of the bottom die, the inner die is erected on the inner die positioning holes, the outer die is erected on the outer die positioning holes, a central post is further arranged on the inner side of the inner die, the inner wall of the central post is movably connected with a jacking post, a support rod is movably connected with a rotary connecting rod through threads, one end of the rotary connecting rod is connected with the inner wall of the inner die through a support plate, transverse reinforcing ribs and longitudinal reinforcing ribs are arranged on the side wall of the inner die, a connecting plate and a rib plate are further arranged on the side wall of the inner; the whole equipment is simple in transportation and installation process, and meanwhile, the stability and the strength of the installed equipment are high, so that the engineering construction time is greatly reduced.
Description
Technical Field
The invention relates to a prefabricated tower formwork, in particular to a prefabricated mixed fan tower formwork supporting method and a prefabricated mixed fan tower formwork supporting device.
Background
The wind turbine tower frame is formed by combining a plurality of sections of concrete tower drums and a plurality of sections of steel tower drums, firstly, the concrete tower drums prefabricated in a factory are transported to a wind turbine position, all the concrete tower drums and the bottom section of steel tower drums are installed section by section, then a plurality of anchor cables penetrate through pre-stressed anchor cable pore passages reserved on the concrete tower drums and pore passages on a bottom section of steel tower drum reverse balance flange, and the pre-stressed anchor cable pore passages and pore passages are tensioned for multiple times to form a whole.
Adopt the rubber of being rich in elasticity to pull out the stick and pre-buried inside concrete structure during the construction, pull out the rubber extraction stick 3 hours after the concrete initial set, the punchhole that link up about inside formation of concrete structure as prestressing steel strand wires bundle alternate pore, because the very softness of rubber extraction stick, need fix the rubber stick ligature with the steel wire during the actual operation, the process is more vexed, how to guarantee the rigidity of rubber extraction stick, the aperture of guaranteeing the later stage pore-forming is a technological problem. Secondly, the conventional template operation not only influences the appearance, and the stability and the strength of the installed equipment are not high, but also easily causes common quality problems such as mold expansion, slurry leakage and the like, and influences the engineering construction time.
Disclosure of Invention
The invention aims to provide a prefabricated hybrid fan tower formwork supporting method and a prefabricated hybrid fan tower formwork supporting device.
In order to achieve the purpose, the invention provides the following technical scheme:
a prefabricated hybrid fan tower formwork supporting device comprises a base, a bottom plate, a bottom die and anchor cable positioning pipes, wherein the bottom plate is installed at the top end of the base and is uniformly distributed on the base, a pre-embedded bottom plate is installed at the center of the base, a plurality of bolt installation holes are formed in the pre-embedded bottom plate, four fixing plates which are symmetrically distributed are further arranged on the base, L-shaped feet are arranged at the bottom end of each fixing plate and are hooked with the base through the L-shaped feet, the top end of the base is connected with the bottom die through bolts, a plurality of anchor cable positioning pipes are installed on the bottom surface of the bottom die, inner die positioning holes which are uniformly distributed are formed in the inner edge of the top surface of the bottom die, outer die positioning holes which are uniformly distributed are formed in the outer edge of the top surface of the bottom die, an inner die frame and an outer die are arranged at, the central column is a hollow part, the inner wall of the central column is movably connected with a jacking column, a plurality of pin shaft holes which are uniformly distributed are formed in the jacking column, the jacking column is connected with a second hoop through the pin shaft holes, the second hoop is movably connected with a supporting rod, a first hoop is installed on the outer side of the central column and also connected with the supporting rod, the supporting rod is a hollow part, the inner wall of the supporting rod is provided with threads, the supporting rod is movably connected with a rotating rod through the threads, one end of the rotating rod is provided with a supporting plate which is in contact connection with the inner wall of the inner mold, the side wall of the inner mold is provided with transverse reinforcing ribs and longitudinal reinforcing ribs, the transverse reinforcing ribs are connected with the longitudinal reinforcing ribs, the transverse reinforcing ribs and the longitudinal reinforcing ribs are uniformly distributed on the inner mold through bolts, the side, the connecting plate is connected with the supporting plate through bolts, the inner support is installed at the inner edge of the top end of the inner mold, the outer support is installed at the outer edge of the top end of the outer mold, the inner support and the outer support are both connected with an inner baffle and an outer baffle through bolts, and the inner baffle and the outer baffle are connected with a vertical support and an inclined support.
Preferably, the bracing piece of the inboard of centre form is twenty in total, and wherein twenty bracing pieces divide into three groups, two sets of eight bracing pieces wherein, a set of four bracing pieces, fixed plate is connected to its bottom of a set of four bracing pieces in the middle of.
Preferably, the inner mold and the outer mold are formed by four arc-shaped modules with the same shape, positioning plates are arranged on the inner sides of the inner mold and the outer mold, anchor cable adjusting holes are formed in the positioning plates, and the anchor cable adjusting holes are located right above the anchor cable positioning pipes.
Preferably, the size of the connecting plate is the same as that of the supporting plate.
Preferably, the inner support and the outer support are the same in shape and are both triangular.
Preferably, the number of the inner die positioning holes and the number of the outer die positioning holes are four, and the inner die positioning holes and the outer die positioning holes are staggered by 45 degrees.
The invention provides a use method of a prefabricated hybrid fan tower frame template supporting device, which comprises the following steps:
s1: firstly, mounting and adjusting according to the size of a tower barrel to be prefabricated, leveling an operation field before prefabricating a concrete tower barrel, and drawing a bottom ring identification line of the tower barrel;
s2: when the base is manufactured, a bottom plate, a fixing plate and an embedded bottom plate need to be arranged in advance, the bottom die is lifted by a lifting machine and is stopped above the bottom plate, and the levelness of the bottom die is measured by a precision level gauge so that the levelness of the bottom die meets the requirement;
s3: installing an inner mold, namely enabling a steel wire rope of a crane to penetrate through a lifting lug of the inner mold, taking an inner mold positioning hole in a bottom mold as a starting point, hoisting one inner mold to the position of the inner mold positioning hole of the bottom mold, hoisting a second inner mold, aligning seam plates between the two inner molds, fastening the seam plates by using a set bolt and a nut respectively, and splicing four arc-shaped inner molds with the same shape into a cylinder one by one;
s4: according to the height of the tower to be prefabricated, the jacking column is lifted to a proper height, two second hoops are sleeved on the outer wall of the jacking column, one second hoop is positioned at the upper part of the jacking column, the other second hoop is positioned in the middle of the jacking column, and the rotary connecting rod is screwed out of the supporting rod; the rotary connecting rods at one ends of the four supporting rods are respectively connected with a second hoop positioned in the middle of the jacking column by bolts, the rotary connecting rods at the other ends of the four supporting rods are respectively connected with fixed plates on the four bases and are fixed by nuts, and the four supporting rods are used for reinforcing the supporting central column;
s5: dividing the other sixteen support rods into two groups, wherein each group comprises eight support rods, adjusting the length of the rotary connecting rod according to the diameter of the inner mold of the tower drum, connecting the rotary connecting rod at one end of each support rod with the hoop, and connecting the rotary connecting rod at the other end of each support rod with the inner wall of the inner mold through the support plate;
s6: after the internal mold supporting device is installed, binding reinforcing steel bars of the tower drum;
s7: finally, the outer die is installed, and the installation method is the same as that of the inner die in S3;
s8: when pouring, the rubber pulling rods are hoisted one by using a crane and are inserted into the anchor cable adjusting holes, the lower ends of the rubber pulling rods are inserted into the anchor cable positioning pipes for fixation, the anchor cable hole positions are determined according to different fan models, the rubber pulling rods are locally adjusted and fixed, and the rubber pulling rods are pulled out 3 hours after the concrete is initially set.
Preferably, in S5, one or two additional support rods may be added to the device according to the length of the tower.
Compared with the prior art, the invention has the beneficial effects that: the prefabricated assembly type mixed fan tower frame formwork supporting method and the prefabricated assembly type mixed fan tower frame formwork supporting device are high in overall strength, the inner edge and the outer edge of the top surface of the bottom die are respectively provided with the inner die positioning holes and the outer die positioning holes which are uniformly distributed, the inner die and the outer die are both composed of four arc-shaped modules with the same shape, transportation and installation are facilitated, the jacking column moves up and down according to requirements, the supporting rod for manufacturing the inner die is arranged, the supporting rod for fixing the central column is also arranged, reinforcing ribs for increasing strength are arranged on the side wall of the inner die, the whole equipment is simple in transportation and installation process, the stability and the strength of the installed equipment are.
Drawings
FIG. 1 is a schematic overall cross-sectional configuration of the present invention;
FIG. 2 is a top view of the bottom die assembly of the present invention;
FIG. 3 is a partial side view of the bottom die assembly of the present invention;
FIG. 4 is an overall top view of the present invention;
FIG. 5 is a schematic view of an outer mold of the present invention;
FIG. 6 is a detail view of the inner mold of the present invention;
FIG. 7 is a schematic view of the mounting of the screw-on lever of the present invention;
FIG. 8 is a schematic view of an L-shaped foot hook of the present invention;
fig. 9 is an enlarged view of the second ferrule installation site of the present invention.
In the figure: 1. a base; 2. a base plate; 3. transverse reinforcing ribs; 4. longitudinal reinforcing ribs; 5. bottom die; 6. an anchor cable positioning pipe; 7. an inner mold positioning hole; 8. positioning holes of the outer mold; 9. an inner mold; 10. an outer mold; 11. a support bar; 12. a rotary connecting rod; 13. a support plate; 14. pre-burying a bottom plate; 15. internal bracing; 16. a central column; 17. jacking the column; 18. externally supporting; 19. a fixing plate; 20. a first hoop; 21. a second hoop; 22. vertically supporting; 23. bracing; 24. a rib plate; 25. a connecting plate; 26. an inner baffle; 27. an outer baffle; 28. a pin shaft hole; 29. an L-shaped foot hook; 30. positioning a plate; 31. anchor rope adjusting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a prefabricated hybrid fan tower formwork support device comprises a base 1, a bottom plate 2, a bottom mold 5 and anchor cable positioning pipes 6, all the components are steel components, the overall strength is high, the bottom plate 2 is installed at the top end of the base 1, the bottom plate 2 is uniformly distributed on the base 1, an embedded bottom plate 14 is installed at the center of the base 1, a plurality of bolt installation holes are formed in the embedded bottom plate 14, four fixing plates 19 are symmetrically distributed on the base 1, an L-shaped foot hook 29 is arranged at the bottom end of each fixing plate 19, each fixing plate 19 is connected with the base 1 through the corresponding L-shaped foot hook 29, the connection tightness between each fixing plate 19 and the base 1 is increased through the corresponding L-shaped foot hook 29, the top end of the base 1 is connected with the bottom mold 5 through bolts, a plurality of anchor cable positioning pipes 6 are installed on the bottom surface of the bottom mold 5, the inner die positioning holes 7 are used for positioning the inner die 9, the outer edge of the top surface of the bottom die 5 is provided with outer die positioning holes 8 which are uniformly distributed, the outer die positioning holes 8 are used for positioning the outer die 10, the number of the inner die positioning holes 7 and the outer die positioning holes 8 is four, the inner die positioning holes 7 and the outer die positioning holes 8 are staggered by 45 degrees, namely, the inner die positioning holes 7 and the outer die positioning holes 8 are uniformly and reasonably distributed on the bottom die 5, the top end of the bottom die 5 is provided with the inner die 9 and the outer die 10, the inner die 9 and the outer die 10 are both composed of four arc-shaped modules with the same shape, the inner die 9 and the outer die 10 are taken as small blocks to be beneficial to transportation and installation, the inner sides of the inner die 9 and the outer die 10 are provided with positioning plates 30, anchor cable adjusting holes 31 are arranged in the positioning plates 30, the inner side of the inner mold 9 is further provided with a center column 16, the center column 16 is a hollow member, the inner wall of the center column 16 is movably connected with a jacking column 17, the jacking column 17 can move up and down along the center column 16, the jacking column 17 is provided with a plurality of pin shaft holes 28 which are uniformly distributed, the jacking column 17 is connected with a second hoop 21 through the pin shaft holes 28, the second hoop 21 is movably connected with a support rod 11, the outer side of the center column 16 is provided with a first hoop 20, the first hoop 20 is also connected with the support rod 11, the support rod 11 is a hollow member, the inner wall of the support rod 11 is provided with threads, the support rod 11 is movably connected with a rotary connecting rod 12 through the threads, one end of the rotary connecting rod 12 is provided with a support plate 13, the support plate 13 is in contact connection with the inner wall of the inner mold 9, the total twenty support rods 11, one group of four support rods 11 is connected with a fixing plate 19 at the bottom end thereof, one group of four support rods 11 is used for fixing a central column 16, two groups of eight support rods 11 are used for supporting an inner mold 9, the side wall of the inner mold 9 is provided with a transverse reinforcing rib 3 and a longitudinal reinforcing rib 4, the transverse reinforcing rib 3 and the longitudinal reinforcing rib 4 are both used for enhancing the strength of the inner mold 9, the transverse reinforcing rib 3 is connected with the longitudinal reinforcing rib 4, the longitudinal reinforcing ribs 4 are connected through bolts, the transverse reinforcing rib 3 and the longitudinal reinforcing rib 4 are uniformly distributed on the inner mold 9, the side wall of the inner mold 9 is also provided with a connecting plate 25 and a rib plate 24, one end of the rib plate 24 is connected with the longitudinal reinforcing rib 4, the connecting plate 25 is connected with a support plate 13 through bolts, the connecting plate 25 is the same as the support plate 13 in size, the outer support 18 is installed at the outer edge of the top end of the outer mold 10, the inner support 15 and the outer support 18 are the same in shape and are triangular, the inner support 15 and the outer support 18 are connected with an inner baffle 26 and an outer baffle 27 through bolts, and the inner baffle 26 and the outer baffle 27 are connected with a vertical support 22 and an inclined support 23.
The invention provides a use method of a prefabricated hybrid fan tower frame template supporting device, which comprises the following steps:
the first step is as follows: firstly, mounting and adjusting according to the size of a tower barrel to be prefabricated, leveling an operation field before prefabricating a concrete tower barrel, and drawing a bottom ring identification line of the tower barrel;
the second step is that: when the base 1 is manufactured, a bottom plate 2, a fixed plate 19 and an embedded bottom plate 14 need to be arranged in advance, a bottom die 5 is lifted by a lifting machine and is stopped above the bottom plate 2, and the levelness of the bottom die 5 is measured by a precision level gauge, so that the levelness of the bottom die 5 meets the requirement;
the third step: installing an inner die 9, namely enabling a steel wire rope of a crane to penetrate through a lifting lug of the inner die 9, taking an inner die positioning hole 7 on a bottom die 5 as a starting point, hoisting one inner die 9 to the position of the inner die positioning hole 7 of the bottom die 5, hoisting a second inner die 9, aligning seam plates between the two inner dies 9, fastening by 8 groups of bolts and nuts respectively, and splicing four arc-shaped inner dies 9 with the same shape into a cylinder one by one;
the fourth step: according to the height of the tower to be prefabricated, the jacking column 17 is lifted to a proper height, two second hoop belts 21 are sleeved on the outer wall of the jacking column 17, one second hoop belt 21 is positioned at the upper part of the jacking column 17, the other second hoop belt 21 is positioned at the middle part of the jacking column 17, and the screwing rod 12 is screwed out of the support rod 11; the screwing rods 12 at one ends of four support rods 11 are respectively connected with a second hoop 21 positioned in the middle of a jacking column 17 by bolts, the screwing rods 12 at the other ends of the four support rods 11 are respectively connected with fixed plates 19 on four bases 1 and are fixed by nuts, and the four support rods 11 are used for reinforcing a support central column 16;
the fifth step: the other sixteen support rods 11 are divided into two groups, wherein each group comprises eight support rods, the length of a rotary rod 12 is adjusted according to the diameter of the tower drum inner mold 9, the rotary rod 12 at one end of each support rod 11 is connected with a hoop, the rotary rod 12 at the other end of each support rod 11 is connected with the inner wall of the inner mold 9 through a support plate 13, and one or two groups of support rods 11 can be added according to the length of a tower drum;
and a sixth step: after the supporting device of the internal mold 9 is installed, binding the reinforcing steel bars of the tower;
the seventh step: finally, the outer die 10 is installed, and the installation method is the same as that of the inner die 9 in the third step;
eighth step: when pouring, the rubber pulling rods are hoisted one by using a crane and inserted into the anchor cable adjusting holes 31, the lower ends of the rubber pulling rods are inserted into the anchor cable positioning pipes 6 for fixation, the anchor cable hole positions are determined according to different fan models, the rubber pulling rods are locally adjusted and fixed, and the rubber pulling rods are pulled out 3 hours after the concrete is initially set
The prefabricated mixed fan tower formwork supporting device is characterized in that all components are steel components, the overall strength is high, a base 1 is connected with a bottom die 5, inner die positioning holes 7 and outer die positioning holes 8 which are uniformly distributed are formed in the inner edge and the outer edge of the top surface of the bottom die 5 respectively, the inner die positioning holes 7 are used for positioning an inner die 9, the outer die positioning holes 8 are used for positioning an outer die 10, the number of the inner die positioning holes 7 and the outer die positioning holes 8 is four, the inner die positioning holes 7 and the outer die positioning holes 8 are staggered by 45 degrees, the top end of the bottom die 5 is provided with the inner die 9 and the outer die 10, the inner die 9 and the outer die 10 are composed of four arc-shaped modules with the same shape, transportation and installation are facilitated, a central column 16 is further arranged on the inner side of the inner die 9, the, the supporting rods 11 are hollow pieces, the supporting rods 11 are movably connected with rotating rods 12 through threads, one ends of the rotating rods 12 are in contact connection with the inner wall of the inner die 9 through supporting plates 13, the supporting rods 11 on the inner side of the inner die 9 are twenty, the twenty supporting rods 11 are divided into three groups, two groups of eight supporting rods 11 and one group of four supporting rods 11, one group of four supporting rods 11 is used for fixing a central column 16, two groups of eight supporting rods 11 are used for supporting the inner die 9, the side wall of the inner die 9 is provided with transverse reinforcing ribs 3 and longitudinal reinforcing ribs 4, the transverse reinforcing ribs 3 and the longitudinal reinforcing ribs 4 are used for increasing the strength of the inner die 9, the transverse reinforcing ribs 3 are connected with the longitudinal reinforcing ribs 4, the transverse reinforcing ribs 3 and the longitudinal reinforcing ribs 4 are uniformly distributed on the inner die 9, the side wall of the inner die 9 is also provided with, therefore, the connecting plate 25 and the supporting plate 13 can be perfectly matched, and the inner support 15 and the outer support 18 are the same in shape and are triangular; when the whole prefabricated hybrid fan tower formwork supporting device is used, the prefabricated hybrid fan tower formwork supporting device comprises the following steps: firstly, mounting and adjusting according to the size of a tower drum to be prefabricated, leveling an operation field before prefabricating a concrete tower drum, drawing a circular ring identification line at the bottom of the tower drum, then hoisting a bottom die 5 by a hoisting machine, stopping the bottom die 5 above a bottom plate 2, measuring the levelness of the bottom die 5 by a precision level gauge to ensure that the levelness of the bottom die 5 meets the requirement, then mounting an inner die 9, then lifting a jacking column 17 to a proper height according to the height of the tower drum to be prefabricated, using four support rods 11 for reinforcing a support central column 16, dividing the other sixteen support rods 11 into two groups, dividing each group into eight, adjusting the length of a rotary connecting rod 12 according to the diameter of the inner die 9 of the tower drum, fixing the inner die 9, adding one or two groups of support rods 11 according to the length of the tower drum, binding reinforcing steel bars of the tower drum after the support device of the inner die 9 is mounted, and finally, the mounting method is the same as that of the inner mold 9 in the third step.
In summary, the following steps: the prefabricated assembly type mixed fan tower frame formwork supporting method and the prefabricated assembly type mixed fan tower frame formwork supporting device are high in overall strength, the inner edge and the outer edge of the top surface of the bottom die 5 are respectively provided with the inner die positioning holes 7 and the outer die positioning holes 8 which are uniformly distributed, the inner die 9 and the outer die 10 are both composed of four arc-shaped modules with the same shape, transportation and installation are facilitated, the jacking column 17 moves up and down according to requirements, the supporting rod 11 for manufacturing the inner die 9 is arranged, the supporting rod 11 for fixing the central column 16 is also arranged, reinforcing ribs for increasing strength are arranged on the side wall of the inner die 9, the whole equipment is simple in transportation and installation process, meanwhile, the stability and the strength of the.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The use method of the prefabricated hybrid fan tower formwork supporting device is characterized in that: the supporting device comprises a base (1), a bottom plate (2), a bottom die (5) and anchor cable positioning pipes (6), wherein the bottom plate (2) is installed at the top end of the base (1), the bottom plate (2) is uniformly distributed on the base (1), a pre-embedded bottom plate (14) is installed at the center of the base (1), a plurality of bolt installation holes are formed in the pre-embedded bottom plate (14), four symmetrically-distributed fixing plates (19) are further arranged on the base (1), L-shaped feet hook (29) are arranged at the bottom end of each fixing plate (19), the fixing plates (19) are connected with the base (1) through the L-shaped feet hook (29), the top end of the base (1) is connected with the bottom die (5) through bolts, the anchor cable positioning pipes (6) are installed on the bottom surface of the bottom die (5), uniformly-distributed inner die positioning holes (7) are formed in the inner edge position of the top surface of the bottom die (, the top of die block (5) is provided with centre form (9) and external mold (10), centre form (9) erect on inner mould locating hole (7), external mold (10) erect on external mold locating hole (8), the inboard of centre form (9) still is equipped with center post (16), center post (16) are hollow, the inner wall swing joint of center post (16) has jacking post (17), set up a plurality of evenly distributed's round pin shaft hole (28) on jacking post (17), jacking post (17) are connected with second hoop (21) through round pin shaft hole (28), second hoop (21) swing joint has bracing piece (11), first hoop (20) is installed in the outside of center post (16), first hoop (20) also are connected with bracing piece (11), bracing piece (11) are hollow, the screw thread has been seted up to the inner wall of bracing piece (11), bracing piece (11) are connected with swing joint pole (12) through the screw thread swing joint, a supporting plate (13) is installed at one end of a rotary rod (12), the supporting plate (13) is in contact connection with the inner wall of an inner mold (9), transverse reinforcing ribs (3) and longitudinal reinforcing ribs (4) are arranged on the side wall of the inner mold (9), the transverse reinforcing ribs (3) are connected with the longitudinal reinforcing ribs (4), the longitudinal reinforcing ribs (4) are connected through bolts, the transverse reinforcing ribs (3) and the longitudinal reinforcing ribs (4) are uniformly distributed on the inner mold (9), a connecting plate (25) and a rib plate (24) are further arranged on the side wall of the inner mold (9), one end of the rib plate (24) is connected with the longitudinal reinforcing ribs (4), the connecting plate (25) is connected with the supporting plate (13) through bolts, an inner support (15) is installed at the inner edge of the top end of the inner mold (9), an outer support (18) is installed at the outer edge of the top end of the outer mold (10), the inner support (15, the inner baffle (26) and the outer baffle (27) are connected with a vertical support (22) and an inclined support (23), and the following steps are adopted:
s1: firstly, mounting and adjusting according to the size of a tower barrel to be prefabricated, leveling an operation field before prefabricating a concrete tower barrel, and drawing a bottom ring identification line of the tower barrel;
s2: when the base (1) is manufactured, a bottom plate (2), a fixing plate (19) and an embedded bottom plate (14) need to be arranged in advance, a bottom die (5) is lifted by a lifting machine and is stopped above the bottom plate (2), and the levelness of the bottom die (5) is measured by a precision level gauge, so that the levelness of the bottom die (5) meets the requirement;
s3: installing an internal mold (9), namely enabling a steel wire rope of a crane to penetrate through a lifting lug of the internal mold (9), taking an internal mold positioning hole 7 on a bottom mold (5) as a starting point, hoisting one internal mold (9) to the position of the internal mold positioning hole (7) of the bottom mold (5), hoisting a second internal mold (9), aligning seam plates between the two internal molds (9), fastening by 8 groups of bolts and nuts respectively, and splicing four arc-shaped internal molds (9) with the same shape into a cylinder one by one;
s4: according to the height of a tower barrel to be prefabricated, a jacking column (17) is lifted to a proper height, two second hoop rings (21) are sleeved on the outer wall of the jacking column (17), one second hoop ring (21) is positioned at the upper part of the jacking column (17), the other second hoop ring (21) is positioned in the middle of the jacking column (17), and a screwing rod (12) is screwed out from a support rod (11); connecting the rotary connecting rods (12) at one ends of four supporting rods (11) with a second hoop (21) positioned in the middle of a jacking column (17) by using bolts respectively, connecting the rotary connecting rods (12) at the other ends of the four supporting rods (11) with fixing plates (19) on four bases (1) respectively and fixing by using nuts, wherein the four supporting rods (11) are used for reinforcing a supporting central column (16);
s5: dividing the other sixteen support rods (11) into two groups, wherein each group comprises eight support rods, adjusting the length of a rotary connecting rod (12) according to the diameter of the tower drum internal mold (9), connecting the rotary connecting rod (12) at one end of each support rod (11) with a hoop, and connecting the rotary connecting rod (12) at the other end of each support rod (11) with the inner wall of the internal mold (9) through a support plate (13);
s6: after the supporting device of the inner mold (9) is installed, binding the reinforcing steel bars of the tower;
s7: finally, the outer die (10) is installed, and the installation method is the same as that of the inner die (9) in the step S3;
s8: when pouring, the rubber pulling rods are hoisted one by using a crane and are inserted into the anchor cable adjusting holes (31), the lower ends of the rubber pulling rods are inserted into the anchor cable positioning pipes (6) for fixing, the positions of the anchor cable holes are determined according to different fan models, the rubber pulling rods are locally adjusted and fixed, and the rubber pulling rods are pulled out 3 hours after the concrete is initially set.
2. The use method of the prefabricated hybrid wind turbine tower formwork supporting device according to claim 1, is characterized in that: the bracing piece (11) of the inboard of centre form (9) are totally twenty, wherein twenty bracing pieces (11) divide into three groups, wherein two sets of eight bracing pieces (11), a set of four bracing pieces (11), and fixed plate (19) is connected to its bottom in a set of four bracing pieces (11) in the middle of.
3. The use method of the prefabricated hybrid wind turbine tower formwork supporting device according to claim 1, is characterized in that: the inner die (9) and the outer die (10) are composed of four arc-shaped modules with the same shape, a positioning plate (30) is arranged on the inner sides of the inner die (9) and the outer die (10), an anchor cable adjusting hole (31) is formed in the positioning plate (30), and the anchor cable adjusting hole (31) is located right above the anchor cable positioning pipe (6).
4. The use method of the prefabricated hybrid wind turbine tower formwork supporting device according to claim 1, is characterized in that: the connecting plate (25) has the same size as the support plate (13).
5. The use method of the prefabricated hybrid wind turbine tower formwork supporting device according to claim 1, is characterized in that: the inner support (15) and the outer support (18) are the same in shape and are triangular.
6. The use method of the prefabricated hybrid wind turbine tower formwork supporting device according to claim 1, is characterized in that: the number of the inner die positioning holes (7) and the number of the outer die positioning holes (8) are four, and the inner die positioning holes (7) and the outer die positioning holes (8) are staggered by 45 degrees.
7. The use method of the prefabricated hybrid wind turbine tower formwork support device according to claim 1, wherein in step S5, one or two groups of support rods (11) are additionally arranged according to the tower length.
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| CN112065147A (en) * | 2020-09-17 | 2020-12-11 | 国网四川电力送变电建设有限公司 | Slope iron tower ground assembly auxiliary supporting device, platform and method |
| CN112459485B (en) * | 2020-10-29 | 2022-01-25 | 中国一冶集团有限公司 | Circular concrete awl is fought inboard template reinforcing support frame device |
| CN116464274B (en) * | 2023-06-20 | 2023-09-01 | 上海建工七建集团有限公司 | Inner template system of cylindrical structure and construction method thereof |
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| CN104669410B (en) * | 2015-02-10 | 2017-11-21 | 北京金风科创风电设备有限公司 | Reinforcing rib assembly, side mold of concrete tower member and mold |
| CN106626008B (en) * | 2016-10-08 | 2022-12-16 | 上海风领新能源有限公司 | Mold for concrete tower bobbin piece of wind driven generator |
| CN206216878U (en) * | 2016-10-08 | 2017-06-06 | 霍尔果斯新国金新能源科技有限公司 | Top board mould for wind-driven generator concrete tower and the mould with it |
| CN207747196U (en) * | 2017-08-31 | 2018-08-21 | 北京市建筑工程研究院有限责任公司 | A kind of prefabricated wind power tower mould equipment |
| CN107351228A (en) * | 2017-08-31 | 2017-11-17 | 北京市建筑工程研究院有限责任公司 | A kind of prefabricated wind power tower mould equipment and its construction technology |
| CN207747197U (en) * | 2017-08-31 | 2018-08-21 | 北京市建筑工程研究院有限责任公司 | A kind of prefabricated wind power tower equipmentization mold of high-precision |
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