CN110965470A - Main tower cross brace structure system capable of bearing three-way load and construction method - Google Patents

Main tower cross brace structure system capable of bearing three-way load and construction method Download PDF

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Publication number
CN110965470A
CN110965470A CN201911416816.1A CN201911416816A CN110965470A CN 110965470 A CN110965470 A CN 110965470A CN 201911416816 A CN201911416816 A CN 201911416816A CN 110965470 A CN110965470 A CN 110965470A
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CN
China
Prior art keywords
brace
unit
bracket
main tower
tower
Prior art date
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Pending
Application number
CN201911416816.1A
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Chinese (zh)
Inventor
李勇波
汤黎
徐烨
邢校崟
沈康
郭焕
伍杰
余昆
王新平
张友光
张小兵
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7th Engineering Co Ltd of MBEC
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7th Engineering Co Ltd of MBEC
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Filing date
Publication date
Application filed by 7th Engineering Co Ltd of MBEC filed Critical 7th Engineering Co Ltd of MBEC
Priority to CN201911416816.1A priority Critical patent/CN110965470A/en
Publication of CN110965470A publication Critical patent/CN110965470A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/14Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention discloses a main tower cross brace structure system capable of bearing three-way load and a construction method, belonging to the technical field of bridge construction, wherein the main tower cross brace structure system comprises: the upper cross beam support structure is fixed above the main tower cross support mechanism; main tower stull mechanism includes: left side bracket unit, left side bracket unit include pre-buried awl built-in fitting and the left side bracket of climbing in the column tower, and the one end of left side bracket is through climbing awl built-in fitting and column tower fixed connection: the right bracket unit comprises a cone climbing embedded part and a right bracket which are embedded in the tower column, and one end of the right bracket is fixedly connected with the tower column through the cone climbing embedded part; the cross brace unit is fixedly connected between the left side bracket of the left side bracket unit and the right side bracket of the right side bracket unit. The invention also discloses a construction method of the main tower cross brace structure system. The main tower cross brace structure system can realize three-way load and accelerate the construction speed of the main tower.

Description

Main tower cross brace structure system capable of bearing three-way load and construction method
Technical Field
The invention relates to the technical field of bridge construction, in particular to a main tower cross brace structure system capable of bearing three-way load and a construction method.
Background
In the construction of a main tower of a bridge, in order to prevent concrete of a tower column from being bent to generate cracks, a temporary cross brace is usually arranged for construction so as to ensure that the line shape of the main tower meets the design requirements. The tower column cross beam is generally constructed in a floor support mode and a bracket mode, if the floor support mode is adopted for constructing the cross beam, steel investment is large, construction cost is high, construction period is long, construction risk is large, synchronous construction of the tower column and the cross beam cannot be carried out on projects with short construction periods, and construction efficiency is affected. For a tower column with a higher height, the cross beam is generally constructed by adopting a bracket arrangement method, embedded parts, brackets and other welding operations need to be repeatedly installed, so that the construction operation is complicated, other construction procedures are interfered, the construction efficiency is influenced, and the appearance quality of the concrete of the tower column is influenced.
Disclosure of Invention
The invention aims to overcome the defect of low construction efficiency of tower column and cross beams constructed by adopting two forms of a floor support and a bracket in the background technology, and provides a main tower cross brace structure system capable of bearing three-way load and a construction method.
The invention provides a main tower cross brace structure system capable of bearing three-way load, which comprises:
the upper crossbeam support structure is fixed above the main tower cross-brace mechanism;
the main tower stull mechanism includes:
left side bracket unit, left side bracket unit includes pre-buried awl built-in fitting and the left side bracket of climbing in the column tower, the one end of left side bracket is through climbing awl built-in fitting and column tower fixed connection:
the right side bracket unit comprises a cone climbing embedded part and a right side bracket, wherein the cone climbing embedded part is embedded in the tower column, and one end of the right side bracket is fixedly connected with the tower column through the cone climbing embedded part;
the cross-brace unit is fixedly connected between the left side bracket of the left side bracket unit and the right side bracket of the right side bracket unit.
The preferred scheme is as follows: the left bracket comprises a first cross brace and a first inclined brace, and the first inclined brace is positioned below the first cross brace and is connected with the first cross brace in a welding manner;
one end of the first cross brace is provided with a first anchor plate fixedly connected with the cone climbing embedded part, and the other end of the first cross brace is provided with a first flange fixedly connected with the cross brace unit;
one end of the first inclined strut is provided with a second anchor plate fixedly connected with the cone climbing embedded part, the other end of the first inclined strut is connected with the first cross strut in a welding mode, and the other end of the first inclined strut is far away from the first anchor plate.
The preferred scheme is as follows: the right bracket comprises a second cross brace and a second inclined brace, and the second inclined brace is positioned below the second cross brace and is welded with the second cross brace;
one end of the second cross brace is provided with a third anchor plate fixedly connected with the cone climbing embedded part, the other end of the second cross brace is provided with a second flange fixedly connected with the cross brace unit, and the other end of the second cross brace is provided with a first extending part extending towards the direction of the second flange;
one end of the second inclined strut is provided with a fourth anchor plate fixedly connected with the cone climbing embedded part, the other end of the second inclined strut is connected with the second cross strut in a welding mode, and the other end of the second inclined strut is far away from the third anchor plate.
The preferred scheme is as follows: the cross brace unit comprises a cross brace steel pipe, a third flange plate welded at the left end of the cross brace steel pipe and a fourth flange plate welded at the right end of the cross brace steel pipe, and the cross brace steel pipe is provided with a second extending part extending towards the direction of the fourth flange plate;
the third flange plate is detachably connected with the first flange plate through bolts, the fourth flange plate and the second flange plate are arranged at intervals, the jacks and the steel wedge blocks are symmetrically arranged between the fourth flange plate and the second flange plate, the first extending portion and the second extending portion are arranged at intervals, and the first extending portion and the second extending portion are provided with an upper outer wrapping pipe and a lower outer wrapping pipe.
The preferred scheme is as follows: the upper beam support structure includes:
the truss is fixed above the main tower cross bracing mechanism, the main tower cross bracing mechanism is provided with two main tower cross bracing mechanisms which are arranged at intervals along the longitudinal bridge direction, the truss is fixedly connected with the two main tower cross bracing mechanisms through first distribution beams, the first distribution beams are provided with a plurality of first distribution beams, and the first distribution beams are fixed on the two main tower cross bracing mechanisms at intervals along the transverse bridge direction;
the disc buckle support is arranged above the truss, a plurality of second distribution beams arranged at intervals along the longitudinal bridge direction are arranged at the top of the truss, and the disc buckle support is fixedly connected to the second distribution beams;
the bottom die is fixedly connected to the top of the disc buckle support and used for pouring the upper cross beam.
The preferred scheme is as follows: the main tower wale structure system further includes:
and the construction platform is fixed on the tower column and is positioned below the left bracket unit and the right bracket unit.
The invention also provides a construction method of the main tower cross brace structure system capable of bearing three-way load, which comprises the following steps:
embedding a climbing cone embedded part in the tower column after the tower column is constructed to a set segment;
hoisting the left bracket unit and the right bracket unit, and fixing the left bracket unit and the right bracket unit on the tower column through cone climbing embedded parts respectively;
the transverse bracing unit is hoisted, one end of the transverse bracing unit is fixedly connected with the left bracket unit, and the other end of the transverse bracing unit is fixedly connected with the right bracket unit through a jack and a steel wedge block;
and (4) hoisting the upper crossbeam support structure, and fixing the upper crossbeam support structure on the tops of the left bracket unit, the right bracket unit and the cross-brace unit.
The preferred scheme is as follows: left side bracket unit and right side bracket unit are at mill or job site ground weld forming, and left side bracket unit and right side bracket unit pass through the atress bolt and are connected with climbing awl built-in fitting, fix left side bracket unit and right side bracket unit on the column tower.
The preferred scheme is as follows: the left end of the cross-brace unit is fixedly connected with the left bracket unit through a bolt, and the right end of the cross-brace unit is connected with the right bracket unit through an upper outer wrapping pipe and a lower outer wrapping pipe in a welding mode.
The preferred scheme is as follows: two jacks and two pairs of steel wedges are symmetrically arranged between the other end of the cross brace unit and the right bracket unit, the two jacks are synchronously pushed to a set value, and the jacks are jacked down after the two pairs of steel wedges are tightened.
On the basis of the technical scheme, compared with the prior art, the invention has the following advantages:
the invention relates to a main tower cross brace structure system capable of bearing three-way load and a construction method. The main tower cross bracing mechanism is fixedly connected between the two tower columns of the main tower through the left side bracket unit, the right side bracket unit and the cross bracing unit, and the main tower cross bracing mechanism is used for transversely supporting the tower columns of the main tower, so that the axial rigidity of the tower columns is enhanced, and the linear shape of the tower columns is always controlled within an allowable range under the action of various loads.
This entablature supporting structure fixes on main tower stull mechanism, and main tower stull mechanism is used for vertical support entablature supporting structure and entablature, and entablature supporting structure's gravity direct action does not need to set up and falls to the ground support or bracket when the entablature is pour on main tower stull mechanism, directly supports entablature supporting structure on main tower stull mechanism, can accelerate main tower construction speed on the basis of guaranteeing entablature construction quality and entablature supporting structure atress.
This main tower stull structural system has set up twice main tower stull mechanism in the middle of the column of main tower, and main tower stull mechanism can horizontal support entablature supporting structure and entablature, bears horizontal wind load, has guaranteed the reliable safe construction operation of main tower.
The left bracket unit, the right bracket unit, the cross brace unit and the upper crossbeam support structure of the main tower cross brace structural system can be welded and assembled in a factory or a construction site, and the tower crane is adopted for integral hoisting or dismounting, so that the construction speed is high, and the safety risk is low; meanwhile, the left bracket unit and the right bracket unit are connected with the tower column through the cone climbing embedded parts, and the appearance quality of the concrete of the tower column is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a main tower wale structural architecture according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a main tower wale structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an upper cross beam support structure of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a left side corbel unit according to an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a right side corbel unit according to an embodiment of the invention;
fig. 6 is a schematic structural view of a wale unit according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a climbing cone embedded part according to an embodiment of the invention.
Reference numerals: 101-column, 102-upper beam, 200-main column spreader mechanism, 201-left side corbel unit, 202-right side corbel unit, 203-spreader unit, 204-wimble embedment, 205-gib, 206-jack, 300-upper beam brace structure, 301-truss, 302-second distribution beam, 303-toggle brace, 304-bottom die, 2011-first spreader, 2012-first anchor plate, 2013-first diagonal brace, 2014-second anchor plate, 2015-first flange, 2021-second spreader, 2022-third anchor plate, 2023-second diagonal brace, 2024-fourth anchor plate, 2025-second flange, 2026-first extension, 2031-cross brace steel pipe, 2032-third flange, 2033-fourth flange, 2034-a second extension part, 2041-a stress bolt, 2042-an upward-climbing cone, 2043-a high-strength bolt and 2044-an embedded plate.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
Referring to fig. 1 to 3, an embodiment of the present invention provides a main tower cross brace structural system capable of bearing three-directional loads, including:
the main tower cross brace mechanism 200 and the upper crossbeam support structure 300, wherein the upper crossbeam support structure 300 is fixed above the main tower cross brace mechanism 200; the main tower cross-brace mechanism 200 is used for vertically supporting the upper cross-beam support structure 300 and the total load of the upper cross-beam 102 positioned at the top of the upper cross-beam support structure 300, and the main tower cross-brace mechanism 200 is also used for horizontally supporting two towers 102 of the main tower, so that the axial rigidity of the towers 102 is enhanced, and the linear shape of the towers 102 can be always controlled within an allowable range under the action of various loads on the towers 102.
Wherein, main tower stull mechanism 200 includes:
left side bracket unit 201, left side bracket unit 201 include pre-buried awl built-in fitting 204 and the left side bracket of climbing in the column 101, and the one end of left side bracket is through climbing awl built-in fitting 204 and column 101 fixed connection.
The right side bracket unit 202, the right side bracket unit 202 include climb awl built-in fitting 204 and the right side bracket of pre-buried in the column 101, and the one end of right side bracket is through climbing awl built-in fitting 204 and column 101 fixed connection.
And the cross brace unit 203 is fixedly connected between the left bracket of the left bracket unit 201 and the right bracket of the right bracket unit 202, and the cross brace unit 203 is fixedly connected between the left bracket of the left bracket unit 201 and the right bracket of the right bracket unit 202.
And the construction platform is fixed on the tower column 101 and is positioned below the left bracket unit 201 and the right bracket unit 202.
Principle of operation
The invention relates to a main tower cross brace structure system capable of bearing three-way load, which is provided with a main tower cross brace mechanism 200 for supporting a tower column 101 and an upper cross beam 102 and an upper cross beam support structure 300. The main tower cross brace mechanism 200 is connected between the two tower columns 101 of the main tower integrally and fixedly through the left bracket unit 201, the right bracket unit 202 and the cross brace unit 203. The main tower cross bracing mechanism 200 is used for transversely supporting two towers 102 of the main tower, so as to enhance the axial rigidity of the towers 102 and ensure that the linear shape of the towers 102 can be always controlled within an allowable range under the action of various loads on the towers 102.
The upper beam support structure 300 is fixed to the main tower cross brace mechanism 200, and the main tower cross brace mechanism 200 is used for vertically supporting the upper beam support structure 300 and the total load of the upper beam 102 located at the top of the upper beam support structure 300. When the upper beam 102 is poured, the loads of the upper beam 102 and the upper beam support structure 300 directly act on the main tower cross brace mechanism 200, a floor stand or a bracket is not required to be arranged, the upper beam support structure 300 is directly supported on the main tower cross brace mechanism 200, and the construction speed of the main tower can be accelerated on the basis of ensuring the construction quality of the upper beam 102 and the stress of the upper beam support structure 300.
The main tower cross brace structure system is characterized in that a main tower cross brace mechanism 200 is arranged between two tower columns 101 of a main tower, the main tower cross brace mechanism 200 can horizontally support an upper cross beam support structure 300 and an upper cross beam 102 to bear horizontal wind load, and reliable and safe construction operation of the main tower is guaranteed.
Example 2
Referring to fig. 2, 4 and 7, an embodiment of the present invention provides a main tower wale structure system capable of bearing three-way loads, which is different from embodiment 1 in that: the left side bracket includes first stull 2011 and first bracing 2013, and first bracing 2013 is located the below of first stull 2011 and with first stull 2011 welded connection. First cross brace 2011 adopts The Q235B steel pipe is made, and the first inclined strut 2013 adoptsThe Q235B steel pipe.
The left end of the first cross brace 2011 is provided with a first anchor plate 2012 fixedly connected with the climbing cone embedded part 204, the first cross brace 2011 is connected with the first anchor plate 2012 through welding, and the first anchor plate 2012 is provided with a plurality of mounting holes connected with the climbing cone embedded part 204. The climbing cone 2042, the high-strength bolt 2043 and the embedded part plate 2044 of the climbing cone embedded part 204 are embedded in the tower column 101 in advance after being assembled and are hardened into a whole with concrete of the tower column 101, and the first anchor plate 2012 is fixedly connected with the climbing cone 2042 through the stressed bolt 2041. The first anchor plate 2012 is made of a Q235B steel plate with a thickness of 20 mm.
In order to enhance the welding strength between the first cross brace 2011 and the first anchor plate 2012, a plurality of reinforcing ribs are welded at the joint between the first cross brace 2011 and the first anchor plate 2012, and the plurality of reinforcing ribs are uniformly arranged along the circumferences of the first cross brace 2011 and the first anchor plate 2012.
A first flange 2015 fixedly connected with the cross brace unit 203 is arranged at the right end of the first cross brace 2011, and the first flange 2015 is connected with the right end of the first cross brace 2011 through welding. In order to strengthen welding strength between first ring flange 2015 and the first stull 2011, a plurality of reinforcing ribs are welded at the joint between the first ring flange 2015 and the first stull 2011, and the plurality of reinforcing ribs are uniformly distributed and arranged along the circumference of the first ring flange 2015 and the first stull 2011.
One end of the first inclined strut 2013 is provided with a second anchor plate 2014 fixedly connected with the cone climbing embedded part 204, the other end of the first inclined strut 2013 is welded to the first cross strut 2011, and the other end of the first inclined strut 2013 is far away from the first anchor plate 2015. A stable triangular structure is formed among the first inclined strut 2013, the first cross strut 2011 and the tower column 101.
The second anchor plate 2014 is provided with a plurality of mounting holes connected with the climbing cone embedded part 204, and the second anchor plate 2014 is fixedly connected with the climbing cone 2042 through the stressed bolt 2041. The second anchor plate 2014 is made of a Q235B steel plate with the thickness of 20 mm.
Example 3
Referring to fig. 2, 5 and 7, the embodiment of the invention provides a bearing device capable of bearing three-way loadThe present embodiment is different from embodiment 1 in that: the right side corbel comprises a second cross brace 2021 and a second inclined brace 2023, and the second inclined brace 2023 is located below the second cross brace 2021 and is connected with the second cross brace 2021 in a welding mode. Second crossbrace 2021 uses The Q235B steel tube is made, and the second inclined strut 2023 adoptsThe Q235B steel pipe.
A third anchor plate 2022 fixedly connected with the climbing cone embedded part 204 is arranged at the right end of the second cross brace 2021, the second cross brace 2021 is connected with the third anchor plate 2022 by welding, and a plurality of mounting holes connected with the climbing cone embedded part 204 are formed in the third anchor plate 2022. The number of the climbing cone embedded parts 204 is specifically set according to actual needs, the climbing cones 2042, the high-strength bolts 2043 and the embedded part plates 2044 of the climbing cone embedded parts 204 are assembled and then embedded in the tower column 101 in advance and hardened into a whole with concrete of the tower column 101, and the third anchor plates 2022 are fixedly connected with the climbing cones 2042 through the stressed bolts 2041. The third anchor plate 2022 is made of a Q235B steel plate with a thickness of 20 mm.
A second flange 2025 fixedly connected to the wale unit 203 is provided at the left end of the second wale 2022, and a first extension 2026 extending in the direction of the second flange 2025 is provided at the other end of the second wale 2021. In order to enhance the welding strength between the second flange 2025 and the second cross brace 2021, a plurality of reinforcing ribs are welded at the joint between the second flange 2025 and the second cross brace 2021, and the plurality of reinforcing ribs are uniformly distributed and arranged along the circumference of the second flange 2025 and the second cross brace 2021.
One end of the second inclined strut 2023 is provided with a fourth anchor plate 2024 fixedly connected to the embedded part 204, the other end of the second inclined strut 2023 is welded to the second cross strut 2021, and the other end of the second inclined strut 2023 is far away from the third anchor plate 2022. A structurally stable triangular structure is formed among the second inclined strut 2023, the second cross strut 2021 and the tower column 101.
The fourth anchor plate 2024 is provided with a plurality of mounting holes connected with the embedded fitting 204 for climbing a cone, and the fourth anchor plate 2014 is fixedly connected with the climbing cone 2042 through the stressed bolt 2041. The fourth anchor plate 2024 is made of a Q235B steel plate with a thickness of 20 mm.
Example 4
Referring to fig. 2 and fig. 6, an embodiment of the present invention provides a main tower cross brace structural system capable of bearing three-way loads, and the present embodiment is different from embodiment 1 in that: the wale unit 203 includes a wale steel pipe 2031, a third flange 2032 welded to the left end of the wale steel pipe 2031, and a fourth flange 2033 welded to the right end of the wale steel pipe 2031, and the wale steel pipe 2031 is provided with a second extending portion 2034 extending in the direction of the fourth flange 2033. The cross brace steel pipe 2031 adoptsThe third flange 2032 and the fourth flange 2033 are made of steel plates of Q235B with a thickness of 20 mm.
In order to enhance the welding strength between the third flange plate 2032 and the fourth flange plate 2033 and the cross-brace steel pipe 2031, a plurality of reinforcing ribs are welded at the joints between the third flange plate 2032 and the cross-brace steel pipe 2033 and between the fourth flange plate 2033 and the cross-brace steel pipe 2031, and the plurality of reinforcing ribs are uniformly distributed and arranged along the circumference of the third flange plate 2032, the fourth flange plate 2033 and the cross-brace steel pipe 2031.
The third flange 2032 is detachably connected with the first flange 2015 through bolts, the fourth flange 2033 is arranged at an interval with the second flange 2025, and a jack 206 and a steel wedge block 205 are symmetrically arranged between the fourth flange 2033 and the second flange 2025. The first extension portion 2026 of the right bracket and the second extension portion 2034 of the wale unit 203 are arranged at intervals, an upper outer wrapping pipe and a lower outer wrapping pipe are arranged on the first extension portion 2026 and the second extension portion 2034, and the upper outer wrapping pipe and the lower outer wrapping pipe are of semicircular steel pipe structures.
Two sets of jacks 206 and steel wedges 205 are respectively arranged between the fourth flange 2033 and the second flange 2025, and the two sets of jacks 206 and steel wedges 205 are uniformly arranged between the fourth flange 2033 and the second flange 2025 at intervals along the circumferences of the fourth flange 2033 and the second flange 2025. The main tower cross bracing mechanism 200 is provided with two, four jacks 206 in total, and the jacking force of each jack 206 is 60 t. The four jacks 206 synchronously push the fourth flange 2033 and the second flange 2025 at the average temperature throughout the day, the four jacks 205 are tightly lifted, the four jacks 206 are lifted, and the upper outer wrapping pipe and the lower outer wrapping pipe on the first extension 2026 and the second extension 2034 are welded on the first extension 2026 and the second extension 2034. The steel wedges 205 are removed after the upper and lower overclad tubes on the first extension 2026 and the second extension 2034 are welded in place. The main tower cross-brace mechanism 200 synchronously applies a transverse jacking force to the two towers 101, so that the axial rigidity of the towers 101 is enhanced, and the linear shape of the towers 101 is always controlled within an allowable range under the action of various loads on the towers 101.
Example 5
Referring to fig. 1 and fig. 3, an embodiment of the present invention provides a main tower cross brace structural system capable of bearing three-way loads, and the present embodiment is different from embodiment 1 in that: the upper beam support structure 300 includes:
truss 301, truss 301 are fixed on main tower stull mechanism 200, and this main tower stull mechanism 200 is equipped with twice, and twice main tower stull mechanism 200 sets up to the interval along the longitudinal bridge, and truss 301 is through first distribution beam and twice main tower stull mechanism 200 fixed connection. The first distribution beams are provided with a plurality of first distribution beams which are fixed on the two main tower cross-brace mechanisms 200 at intervals along the cross bridge direction.
The disc buckle supports 303 are arranged on the truss 301, a plurality of second distribution beams 302 arranged at intervals in the longitudinal bridge direction are arranged at the top of the truss 301, and the disc buckle supports 303 are fixedly connected to the second distribution beams 302.
And a bottom die 304, wherein the bottom die 304 is fixedly connected to the top of the disc buckling bracket 303, and the bottom die 304 is used for pouring the upper beam 102.
The concrete dead weight of the upper cross beam 102, the truss 301, the first distribution beam, the disc buckle bracket 303, the second distribution beam 302, the disc buckle bracket 303, the bottom die 304 dead weight and the construction load of the upper cross beam bracket structure 300 are all borne by the main tower cross brace mechanism 200, and a floor stand does not need to be arranged.
Example 6
Referring to fig. 1 to 7, an embodiment of the present invention provides a construction method of a main tower cross brace structural system capable of bearing a three-way load, including the following steps:
step 1, embedding a climbing cone embedded part 204 in a tower column 101 after the tower column 101 is constructed to a set section; the climbing cone 2042, the high-strength bolt 2043 and the embedded part plate 2044 of the climbing cone embedded part 204 are embedded in the tower column 101 in advance after being assembled, and are hardened into a whole with concrete of the tower column 101.
Step 2, after the left bracket unit 201, the right bracket unit 202 and the cross brace unit 203 are welded and formed on the ground in a factory or a construction site, the left bracket unit 201 and the right bracket unit 202 are lifted by a tower crane, the left bracket unit 201 and the right bracket unit 202 are fixedly connected with a climbing cone 2042 of a climbing cone embedded part 204 through a stressed bolt 2041, and the left bracket unit 201 and the right bracket unit 202 are fixed on the tower column 101.
And 3, hoisting the cross brace unit 203 by using a tower crane, fixedly connecting one end of the cross brace unit 203 with the left bracket unit 201 through a bolt, and fixedly connecting the other end of the cross brace unit 203 with the right bracket unit 202 through a jack 206 and a steel wedge block 205.
And 4, synchronously pushing the jack 206 to a set value at the average temperature all day, tightly lifting by using the steel wedge block 205, enabling the jack 206 to be jacked, welding and connecting the right end of the cross brace unit 203 and the right bracket unit 202 through an upper outer wrapping pipe and a lower outer wrapping pipe, and removing the steel wedge block 205 after the upper outer wrapping pipe and the lower outer wrapping pipe are welded in place.
Step 5, hoisting the upper crossbeam support structure 300 by using a tower crane, and fixing the upper crossbeam support structure 300 on the tops of the left bracket unit 201, the right bracket unit 202 and the cross brace unit 203 of the main tower cross brace mechanism 200; the concrete self-weight of the upper beam 102, the truss 301, the first distribution beam, the disc buckle bracket 303, the second distribution beam 302, the disc buckle bracket 303 and the bottom die 304 self-weight of the upper beam bracket structure 300, and the construction load are all borne by the main tower wale mechanism 200.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims (10)

1. The utility model provides a can bear main tower stull structural system of three-dimensional load which characterized in that includes:
the device comprises a main tower cross brace mechanism (200) and an upper cross beam support structure (300), wherein the upper cross beam support structure (300) is fixed above the main tower cross brace mechanism (200);
the main tower spreader mechanism (200) comprises:
left side bracket unit (201), left side bracket unit (201) are including pre-buried awl built-in fitting (204) and the left side bracket of climbing in column (101), the one end of left side bracket is through climbing awl built-in fitting (204) and column (101) fixed connection:
the right side bracket unit (202) comprises a climbing cone embedded part (204) and a right side bracket which are embedded in the tower column (101), and one end of the right side bracket is fixedly connected with the tower column (101) through the climbing cone embedded part (204);
the horizontal bracing unit (203), horizontal bracing unit (203) fixed connection is between the left side bracket of left side bracket unit (201) and the right side bracket of right side bracket unit (202).
2. A main tower cross brace structural system capable of bearing three-way loads as claimed in claim 1, wherein:
the left side bracket comprises a first cross brace (2011) and a first inclined brace (2013), and the first inclined brace (2013) is located below the first cross brace (2011) and is in welded connection with the first cross brace (2011);
one end of the first cross brace (2011) is provided with a first anchor plate (2012) fixedly connected with the cone climbing embedded part (204), and the other end of the first cross brace (2011) is provided with a first flange plate (2015) fixedly connected with the cross brace unit (203);
one end of the first inclined strut (2013) is provided with a second anchor plate (2014) fixedly connected with the climbing cone embedded part (204), the other end of the first inclined strut (2013) is connected with the first cross strut (2011) in a welding mode, and the other end of the first inclined strut (2013) is far away from the first anchor plate (2012).
3. A main tower cross brace structural system capable of bearing three-way loads as claimed in claim 1, wherein:
the right side corbel comprises a second cross brace (2021) and a second inclined brace (2023), and the second inclined brace (2023) is located below the second cross brace (2021) and is in welded connection with the second cross brace (2021);
one end of the second cross brace (2021) is provided with a third anchor plate (2022) fixedly connected with the cone climbing embedded part (204), the other end of the second cross brace (2021) is provided with a second flange (2025) fixedly connected with the cross brace unit (203), and the other end of the second cross brace (2021) is provided with a first extending part (2026) extending towards the direction of the second flange (2025);
one end of the second inclined strut (2023) is provided with a fourth anchor plate (2024) fixedly connected with the cone climbing embedded part (204), the other end of the second inclined strut (2023) is connected with the second cross strut (2021) in a welding manner, and the other end of the second inclined strut (2023) is far away from the third anchor plate (2022).
4. A main tower wale structure system capable of bearing three-way load as claimed in claim 2 or 3, wherein:
the cross bracing unit (203) comprises a cross bracing steel pipe (2031), a third flange plate (2032) welded at the left end of the cross bracing steel pipe (2031), and a fourth flange plate (2033) welded at the right end of the cross bracing steel pipe (2031), and the cross bracing steel pipe (2031) is provided with a second extending part (2034) extending towards the direction of the fourth flange plate (2033);
the third flange plate (2032) is detachably connected with the first flange plate (2015) through bolts, the fourth flange plate (2033) and the second flange plate (2025) are arranged at intervals, a jack (206) and a steel wedge block (205) are symmetrically arranged between the fourth flange plate (2033) and the second flange plate (2025), the first extending portion (2026) and the second extending portion (2034) are arranged at intervals, and an upper outer wrapping pipe and a lower outer wrapping pipe are arranged on the first extending portion (2026) and the second extending portion (2034).
5. A main tower wale structure system capable of withstanding three-way loads according to claim 1, wherein said upper beam support structure (300) comprises:
the truss (301) is fixed above the main tower cross-brace mechanism (200), two main tower cross-brace mechanisms (200) are arranged, the two main tower cross-brace mechanisms (200) are arranged at intervals along the longitudinal bridge direction, the truss (301) is fixedly connected with the two main tower cross-brace mechanisms (200) through first distribution beams, the number of the first distribution beams is multiple, and the first distribution beams are fixed on the two main tower cross-brace mechanisms (200) at intervals along the cross bridge direction;
the coiling buckle support (303), the coiling buckle support (303) is arranged above the truss (301), the top of the truss (301) is provided with a plurality of second distribution beams (302) which are arranged at intervals along the longitudinal bridge direction, and the coiling buckle support (303) is fixedly connected to the second distribution beams (302);
the bottom die (304) is fixedly connected to the top of the disc buckle support (303), and the bottom die (304) is used for pouring the upper cross beam (102).
6. A main tower crossmember structural system capable of withstanding three-directional loads as recited in claim 1, further comprising:
the construction platform is fixed on the tower column (101), and the construction platform is located the below of left side bracket unit (201) and right side bracket unit (202).
7. A method for constructing a three-way load-bearing main tower cross brace structural system as claimed in any one of claims 1 to 6, comprising the steps of:
after the tower column (101) is constructed to a set segment, embedding a climbing cone embedded part (204) in the tower column (101);
hoisting a left bracket unit (201) and a right bracket unit (202), and fixing the left bracket unit and the right bracket unit on a tower column (101) through climbing cone embedded parts (204) respectively;
hoisting a cross brace unit (203), fixedly connecting one end of the cross brace unit (203) with the left bracket unit (201), and fixedly connecting the other end of the cross brace unit (203) with the right bracket unit (202) through a jack (206) and a steel wedge block (205);
and (3) hoisting the upper crossbeam support structure (300), and fixing the upper crossbeam support structure (300) on the tops of the left bracket unit (201), the right bracket unit (202) and the cross-brace unit (203).
8. The construction method of the main tower cross brace structural system capable of bearing three-way load as claimed in claim 7, wherein:
left side bracket unit (201) and right side bracket unit (202) are at mill or job site ground weld forming, and left side bracket unit (201) and right side bracket unit (202) are connected with climbing awl built-in fitting (204) through atress bolt (2041), fix left side bracket unit (201) and right side bracket unit (202) on column tower (101).
9. The construction method of the main tower cross brace structural system capable of bearing three-way load as claimed in claim 7, wherein:
the left end of the cross-brace unit (203) is fixedly connected with the left bracket unit (201) through a bolt, and the right end of the cross-brace unit (203) is connected with the right bracket unit (202) through an upper outer wrapping pipe and a lower outer wrapping pipe in a welding mode.
10. The construction method of the main tower cross brace structural system capable of bearing three-way load as claimed in claim 7, wherein:
two jacks (206) and two pairs of steel wedges (205) are symmetrically arranged between the other end of the cross-brace unit (203) and the right bracket unit (202), the two jacks (206) are synchronously pushed to a set value, and the jacks (206) are lifted after the two pairs of steel wedges (205) are tightened.
CN201911416816.1A 2019-12-31 2019-12-31 Main tower cross brace structure system capable of bearing three-way load and construction method Pending CN110965470A (en)

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Application Number Priority Date Filing Date Title
CN201911416816.1A CN110965470A (en) 2019-12-31 2019-12-31 Main tower cross brace structure system capable of bearing three-way load and construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911416816.1A CN110965470A (en) 2019-12-31 2019-12-31 Main tower cross brace structure system capable of bearing three-way load and construction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111535175A (en) * 2020-04-28 2020-08-14 贵州省公路工程集团有限公司 Rapid connecting structure and method for cast-in-place joint sections in cable tower beam prefabrication and assembly construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111535175A (en) * 2020-04-28 2020-08-14 贵州省公路工程集团有限公司 Rapid connecting structure and method for cast-in-place joint sections in cable tower beam prefabrication and assembly construction

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