CN113833107A - Conversion truss and welding method of truss nodes thereof - Google Patents

Conversion truss and welding method of truss nodes thereof Download PDF

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Publication number
CN113833107A
CN113833107A CN202111206618.XA CN202111206618A CN113833107A CN 113833107 A CN113833107 A CN 113833107A CN 202111206618 A CN202111206618 A CN 202111206618A CN 113833107 A CN113833107 A CN 113833107A
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column
connecting block
node
chord
welding
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崔宸铭
郑礼刚
王志兴
冯靖邦
刘涵
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Shanxi Xiaohe Construction Industry Co ltd
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Shanxi Xiaohe Construction Industry Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional [3D] framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/30—Columns; Pillars; Struts
    • E04C3/32—Columns; Pillars; Struts of metal

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

本发明属于建筑结构技术领域，具体涉及一种转换桁架及其桁架节点的焊接方法，一种转换桁架，包括：钢柱、弦杆、斜腹杆和桁架节点，所述转换桁架整体呈上下开口的方形框架结构，所述钢柱、弦杆、斜腹杆之间通过桁架节点相连接，所述钢柱包括日字柱和箱型柱，所述钢柱均为竖直设置，所述弦杆均为水平设置，本发明将桁架节点提前制作，可将成品桁架节点直接运送至施工现场，提高施工效率，各桁架节点进行焊接制作的过程中，充分利用工艺隔板、人孔，焊接方便。

Figure 202111206618

The invention belongs to the technical field of building structures, and in particular relates to a conversion truss and a welding method for its truss nodes. A conversion truss includes: steel columns, chords, inclined web bars and truss nodes. The square frame structure, the steel columns, chords, and inclined webs are connected by truss nodes, the steel columns include sun-shaped columns and box-shaped columns, the steel columns are all vertically arranged, and the chords are arranged vertically. The rods are all set horizontally. The present invention makes the truss nodes in advance, and the finished truss nodes can be directly transported to the construction site to improve the construction efficiency. In the process of welding and manufacturing each truss node, the process partitions and manholes are fully utilized, and the welding is convenient. .

Figure 202111206618

Description

Conversion truss and welding method of truss nodes thereof
Technical Field
The invention belongs to the technical field of building structures, and particularly relates to a conversion truss and a welding method of truss nodes of the conversion truss.
Background
The transfer floor of the high-rise building is arranged between the upper small space structure floor and the lower large space structure floor, and plays a role in supporting the upper floor structure. The conversion layers commonly used at present are beam conversion layers and truss conversion layers. Aiming at the two different types of transfer floor structures, truss transfer floors can be selected in some high-rise buildings, and the main purpose of the truss transfer floors is to reduce the weight of the whole building and reduce the self weight of floors.
At present, steel structure buildings are widely applied, a tower structure usually adopts a mixed structure of a steel pipe concrete frame and a reinforced concrete core tube, the structural form of an outer frame column of the tower is complex, and the change of the form of the section of the tower from bottom to top is as follows: the large columns → the conversion truss → the frame column + the H-shaped steel beam, the outer frame column structure of the square tower, generally 8 large column steel structures are arranged on the bottom layer, the standard layer is 16 frame columns, and the conversion truss connects the 8 large column steel structures with the 16 frame columns to complete the structure conversion.
The conversion truss generally assembles steel columns, chords and diagonal web members on site in a welding mode, a bolt connection mode and the like, and each node is formed in the assembling process, so that the working efficiency is low, and the construction progress is seriously influenced.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides a conversion truss and a welding method of truss nodes of the conversion truss.
In order to solve the technical problems, the invention adopts the technical scheme that:
a transition truss, comprising: the steel column comprises a T-shaped column and a box-shaped column, the steel column is vertically arranged, and the chord members are horizontally arranged;
the truss node includes: node A, node B, node C and node D, node A sets up the giant post that is used for connecting the bottom in the lower floor that changes the truss, node B, node C and node D set up the frame post that is used for connecting the standard layer in the upper strata that changes the truss, node A includes: the structure of the large column connecting block A is matched with the large column and is also in a structure of the large column, the upper end of the large column connecting block A is connected with the large column at the bottom layer, the two lower inclined web rod connecting columns are respectively arranged on two opposite side end faces of the large column connecting block A, and the two lower inclined web rod connecting columns are in a V shape;
the node B sets up in the corner of conversion truss, node B is used for connecting oblique web member, the chord member of two adjacent terminal surfaces of conversion truss, node B includes: the frame column comprises a box column connecting block B, chord member corner connecting columns, a frame column connecting block B and two upper diagonal web member connecting columns B, wherein the chord member corner connecting columns are of an L-shaped structure, two end parts of the chord member corner connecting columns which are horizontally arranged are respectively connected with chord members, the upper ends of the chord member corner connecting columns are provided with the frame column connecting block B, the upper ends of the frame column connecting block B are connected with frame columns of a standard layer, the lower ends of the chord member corner connecting columns are provided with the box column connecting block B, the lower ends of the box column connecting block B are connected with the box columns, the two upper diagonal web member connecting columns B are respectively arranged on two adjacent side end faces of the box column connecting block B, and the two upper diagonal web member connecting columns B are in an inverted V shape;
the node C comprises: the frame column connecting block C is arranged at the upper end of the chord member connecting column C, the box column connecting block C is arranged at the lower end of the chord member connecting column C, and the two upper diagonal web member connecting columns C are respectively arranged on two opposite side end faces of the box column connecting block C;
the node D comprises: the frame column connecting block D is arranged at the upper end of the chord member connecting column D, and the Chinese character 'ri' column connecting block D is arranged at the lower end of the chord member connecting column D;
the node D is located right above the node A, the node A is connected with the node D through a herringbone column, and an inclined web member is arranged between the corresponding upper inclined web member connecting column and the corresponding lower inclined web member connecting column.
Furthermore, the central line of the giant column connecting block is collinear with the central line of the herringbone column connecting block A, so that the collinear connection with the giant column is ensured, and the strength of the structure is increased.
Furthermore, a side end face of the conversion truss is provided with two nodes A, the two nodes A are connected through a chord member, the chord member is connected with the large column connecting block through a bolt, the two nodes D are arranged right above the two nodes A in a one-to-one correspondence manner, two nodes C are arranged between the nodes D, the chord member connecting column C is connected with the chord member connecting column D through a chord member, the two chord member connecting columns C of the nodes C are respectively corresponding to the two nodes A, one chord member connecting column C is connected with one of the nodes A through an oblique web member, the other chord member connecting column C is connected with the other node A through an oblique web member, and the lower end of the box-type column connecting block C is connected with the upper end face of the chord member between the two nodes A through a box-type column.
Furthermore, all be provided with the hoist and mount ear on the outer wall of truss node.
Further, frame post connecting block C, frame post connecting block D are the quadrangular frustum pyramid structure, the lower extreme area of quadrangular frustum pyramid structure is greater than the upper end area, uses the frustum pyramid structure to carry out being connected of the frame post of little cross section and the day word post of big cross section, and the transition is more steady.
Further, frame post connecting block B is the column structure of vertical setting, frame post connecting block B's lower extreme is connected in the upper end of the corner of L type chord member turning spliced pole, be provided with the support bracket on frame post connecting block B's the lateral wall.
A truss node welding method for a conversion truss comprises the following steps: the welding manufacturing method of the node A, the node B, the node C and the node D comprises the following steps:
step A1, welding a rectangular column connecting block A, namely horizontally placing a side plate on the ground to form a lower web plate, spot-welding a longitudinal rib plate of the rectangular column, spot-welding process partition plates on two sides of the longitudinal rib plate, forming a manhole on the process partition plates, then assembling an upper web plate, reserving a 6mm allowance in the width direction of the upper web plate, forming 3mm on each side, reducing welding deformation to the maximum extent, then assembling two side wing plates, after assembling is completed, enabling a worker to enter the rectangular column connecting block A through the manhole to finish welding the longitudinal rib plate and the process partition plates, and enabling the upper web plate, the lower web plate and the two side wing plates to form four side end faces of the rectangular column connecting block A;
step A2, welding a lower inclined web member connecting column, wherein the lower inclined web member connecting column adopts a double-V groove to carry out full penetration welding;
step A3, assembling a Chinese character 'ri' column connecting block A and two lower oblique web member connecting columns, placing the Chinese character 'ri' column connecting block A and the two lower oblique web member connecting columns on an assembling jig frame for assembling, checking the positioning horizontal points of the components by a level gauge, ensuring that the whole surface of each component without angles is on a horizontal plane, taking the horizontal plane as a reference, adjusting the components to be within the tolerance requirement range according to the height difference and the positioning size, and fixing the postures of the components;
step A4, assembling a horizontal substrate A, and assembling a large column connecting block on the lower end face of the horizontal substrate A;
the welding manufacturing method of the node B comprises the following steps:
step B1, manufacturing a chord member corner connecting column which is of an L-shaped box column structure, arranging a plurality of process partition plates with manholes inside the chord member corner connecting column, and arranging manholes on the upper end surface and the lower end surface of the corner of the chord member corner connecting column;
step B2, welding and manufacturing an upper diagonal web member connecting column B, wherein the manufacturing process of the upper diagonal web member connecting column is the same as that of the lower diagonal web member connecting column;
step B3, assembling box-type column connecting blocks B on the lower end faces of the corners of the chord member corner connecting columns, assembling frame-type column connecting blocks B on the upper end faces of the corners of the chord member corner connecting columns, firstly, externally welding the box-type column connecting blocks B with the end faces of the chord member corner connecting columns, then, enabling workers to enter the interior of the chord member corner connecting columns through the manhole of the process partition plate, then, enabling the workers to enter the interior of the box-type column connecting blocks B through the manhole of the lower end faces of the corners of the chord member corner connecting columns to perform internal welding work and welding reinforced connecting ribs, wherein the mode of welding the frame-type column connecting blocks B is the same as the mode of welding the box-type column connecting blocks B;
step B4, assembling two upper diagonal web member connecting columns B at the side ends of the box-type column connecting blocks B;
the welding manufacturing method of the node C comprises the following steps:
step C1, respectively welding and manufacturing a chord member connecting column C, a box type column connecting block C, a frame column connecting block C and an upper diagonal web member connecting column C;
step C2, placing the components in the step C1 on an assembly jig frame for assembly, flattening the jig frame in an assembly area, checking the components by using a level meter to position a horizontal point, ensuring that the whole plane of the components is on a horizontal plane, and then welding, wherein 3mm shrinkage allowance is reserved for each full penetration weld joint during welding;
the welding manufacturing method of the node D comprises the following steps:
d1, respectively welding and manufacturing a chord member connecting column D, a Chinese character 'ri' column connecting block D and a frame column connecting block D;
and D2, placing the components in the step D1 on an assembly jig frame for assembly, flattening the assembly jig frame in an assembly area, using a level meter to check the components to position a horizontal point, ensuring that the whole plane of the components is on a horizontal plane, and then welding.
Further, in step A3, after the assembly of assembly day web member connecting block A and two lower oblique web member connecting columns is completed, H-shaped steel connecting bracket is welded between the side walls of the lower oblique web member connecting column and the day web member connecting block A, node A is reinforced, in step B4, H-shaped steel connecting bracket is welded between the side walls of the upper oblique web member connecting column B and the box-shaped column connecting block B, node B is reinforced, and after step C2 is completed, H-shaped steel connecting bracket is welded between the side walls of the upper oblique web member connecting column C and the box-shaped column connecting block C, and node C is reinforced.
Furthermore, after the welding is suspended or finished, heat-insulating cotton is covered on the surface of the welding line so as to achieve the effect of heat insulation and slow cooling.
Compared with the prior art, the invention has the following beneficial effects.
Firstly, the truss nodes are manufactured in advance, and finished truss nodes can be directly conveyed to a construction site, so that the construction efficiency is improved;
in the process of welding and manufacturing each truss node, the process clapboard and the manhole are fully utilized, and the welding is convenient;
when the truss joint is assembled, the leveling instrument is used for detecting the horizontal points of the members and positioning the horizontal points, so that the whole plane of the members is in a horizontal plane, and then welding is performed, so that the precision of the truss joint is ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic structural view of one side end of the transfer truss of the present invention.
FIG. 3 is a schematic view of a "E" column of the present invention.
Fig. 4 is a schematic structural diagram of a node a according to the present invention.
Fig. 5 is a schematic structural diagram of a node B of the present invention.
FIG. 6 is a schematic structural diagram of a node C according to the present invention.
Fig. 7 is a schematic structural diagram of a node D according to the present invention.
Fig. 8 is a sectional view of the d-pillar connector block a of the present invention.
In the figure: the column comprises a chord 1, diagonal web members 2, diagonal web members 3, a column, a box-shaped column 4, a node A5, a giant column connecting block 51, a horizontal base plate 52, a horizontal base plate 53, a column connecting block A, a lower web plate 531, a longitudinal rib plate 532, a process separator 533, a manhole 534, a wing plate 535, a lower diagonal web member connecting column 54, a node B6, a box-shaped column connecting block B, a chord corner connecting column 62, a frame column connecting block B64, an upper diagonal web member connecting column B7, a node C71, a chord connecting column C72, a box-shaped column connecting block C73, a frame column connecting block C74, an upper diagonal web member connecting block C, a node D8, a chord member connecting block D81, a diagonal column connecting block D82, a frame column connecting block D83 and a giant column 9.
Detailed Description
The present invention is further illustrated by the following specific examples.
Example 1
1-7, a transition truss comprising: the steel column, the chord members 1 and the diagonal web members 2 are connected through truss nodes, the steel column comprises a Chinese character 'ri' column 3 and a box-shaped column 4, the steel column is vertically arranged, the chord members are horizontally arranged, and because horizontal connecting rods are arranged among the steel column, the chord members 1 and the diagonal web members 2 in actual engineering to enable the structure to be more stable, auxiliary supporting columns are arranged on the side edges of the giant columns, a display is shown in fig. 1, and the connecting rods and the auxiliary supporting columns with auxiliary functions are deleted in fig. 2 to enable the diagram to be clear;
the truss node includes: node a5, node B6, node C7 and node D8, the node a being disposed on a lower level of the conversion truss for connecting the lower giant columns 9, the node B, node C and node D being disposed on an upper level of the conversion truss for connecting the standard level frame columns, the node a5 comprising: the large column connecting block 51 is vertically arranged at the lower end of the horizontal base plate 52, the lower end of the large column connecting block 51 is connected with the large column 9 at the bottom layer, the large column connecting block A53 is vertically arranged at the upper end of the horizontal base plate 52, the structure of the large column connecting block A53 is matched with the large column 3, the upper end of the large column connecting block A53 is connected with the large column 3, the two lower inclined web rod connecting columns 53954 are respectively arranged on two opposite side end faces of the large column connecting block A2, and the two lower inclined web rod connecting columns 54 are V-shaped;
the node B6 is disposed at a corner of a transition truss, the node B6 includes: the box-type column connecting block B61, the chord corner connecting column 62, the frame column connecting block B63 and the two upper diagonal web member connecting columns B64 are arranged in a mode of L, two ends of the chord corner connecting column 62 which are horizontally arranged are respectively connected with a chord 1, the upper end of the chord corner connecting column 62 is provided with the frame column connecting block B63, the upper end of the frame column connecting block B63 is connected with a frame column of a standard layer, the lower end of the chord corner connecting column 62 is provided with the box-type column connecting block B61, the lower end of the box-type column connecting block B61 is connected with the box column 4, the two upper diagonal web member connecting columns B64 are respectively arranged on two adjacent side end faces of the box-type column connecting block B61, and the two upper diagonal web member connecting columns B64 are in a reverse V shape;
the node C7 includes: the connecting structure comprises a chord connecting column C71, a box-type column connecting block C72, a frame column connecting block C73 and two upper diagonal web member connecting columns C74, wherein the chord connecting column C71 is a horizontally arranged long strip-shaped structure, the upper end of the chord connecting column C71 is provided with a frame column connecting block C73, the lower end of the chord connecting column C71 is provided with a box-type column connecting block C72, and the two upper diagonal web member connecting columns C74 are respectively arranged on two opposite side end faces of the box-type column connecting block C72;
the node D8 includes: the upper end of the chord connecting column D81 is provided with a frame column connecting block D83, and the lower end of the chord connecting column D81 is provided with a frame column connecting block D82;
the node D8 is located right above the node A5, the node A5 is connected with the node D8 through a herringbone column 3, and an inclined web member 2 is arranged between the corresponding upper inclined web member connecting column and the lower inclined web member connecting column.
The center line of the large column connecting block 51 is collinear with the center line of the japanese column connecting block a 53.
The utility model discloses a large column connecting piece, change truss, be provided with two node A on one side terminal surface, be connected through the chord member between two node A, the chord member pass through the bolt with huge post connecting block is connected, and two node D one-to-one set up in two node A is directly over, two be provided with a node C between the node D, chord member spliced pole C with be connected through the chord member between the chord member spliced pole D, two chord member spliced poles C of node C are corresponding with two node A respectively, box post connecting block C's lower extreme is connected through the up end of the chord member between box post and two node A.
And hoisting lugs are arranged on the outer walls of the truss nodes.
The frame column connecting block C73 and the frame column connecting block D83 are all of a quadrangular frustum pyramid structure, and the area of the lower end of the quadrangular frustum pyramid structure is larger than that of the upper end of the quadrangular frustum pyramid structure.
Frame column connecting block B is the columnar structure of vertical setting, frame column connecting block B's lower extreme is connected in the upper end of the corner of the chord member turning spliced pole of L type, be provided with the support bracket on frame column connecting block B's the lateral wall.
Example 2
A truss node welding method for a conversion truss comprises the following steps: a welding manufacturing method of a node A, a node B, a node C and a node D,
the welding manufacturing method of the node A comprises the following steps:
step A1, welding a rectangular column connecting block A, as shown in FIG. 8, firstly horizontally placing a side plate on the ground to form a lower web 531, spot-welding a longitudinal rib 532 of the rectangular column, spot-welding process partition plates 533 on two sides of the longitudinal rib, arranging a manhole 534 on each process partition plate, then assembling the upper web, reserving a 6mm allowance in the width direction of the upper web, then assembling wing plates 535 on two sides, and after the assembling is completed, allowing a worker to enter the rectangular column connecting block A through the manhole to weld the longitudinal rib and the process partition plates;
step A2, welding a lower inclined web member connecting column, wherein the lower inclined web member connecting column adopts a double-V groove to carry out full penetration welding;
step A3, assembling a Chinese character 'ri' column connecting block A and two lower oblique web member connecting columns, placing the Chinese character 'ri' column connecting block A and the two lower oblique web member connecting columns on an assembling jig frame for assembling, checking the positioning horizontal points of the components by a level gauge, ensuring that the whole surface of each component without angles is on a horizontal plane, taking the horizontal plane as a reference, adjusting the components to be within the tolerance requirement range according to the height difference and the positioning size, and fixing the postures of the components;
step A4, assembling a horizontal substrate A, and assembling a large column connecting block on the lower end face of the horizontal substrate A;
the welding manufacturing method of the node B comprises the following steps:
step B1, manufacturing a chord member corner connecting column which is of an L-shaped box column structure, arranging a plurality of process partition plates with manholes inside the chord member corner connecting column, and arranging manholes on the upper end surface and the lower end surface of the corner of the chord member corner connecting column;
step B2, welding and manufacturing an upper diagonal web member connecting column B, wherein the manufacturing process of the upper diagonal web member connecting column is the same as that of the lower diagonal web member connecting column;
step B3, assembling box-type column connecting blocks B on the lower end faces of the corners of the chord member corner connecting columns, assembling frame-type column connecting blocks B on the upper end faces of the corners of the chord member corner connecting columns, firstly, externally welding the box-type column connecting blocks B with the end faces of the chord member corner connecting columns, then, enabling workers to enter the interior of the chord member corner connecting columns through the manhole of the process partition plate, then, enabling the workers to enter the interior of the box-type column connecting blocks B through the manhole of the lower end faces of the corners of the chord member corner connecting columns to perform internal welding work and welding reinforced connecting ribs, wherein the mode of welding the frame-type column connecting blocks B is the same as the mode of welding the box-type column connecting blocks B;
step B4, assembling two upper diagonal web member connecting columns B at the side ends of the box-type column connecting blocks B;
the welding manufacturing method of the node C comprises the following steps:
step C1, respectively welding and manufacturing a chord member connecting column C, a box type column connecting block C, a frame column connecting block C and an upper diagonal web member connecting column C;
step C2, placing the components in the step C1 on an assembly jig frame for assembly, flattening the jig frame in an assembly area, checking the components by using a level meter to position a horizontal point, ensuring that the whole plane of the components is on a horizontal plane, and then welding, wherein 3mm shrinkage allowance is reserved for each full penetration weld joint during welding;
the welding manufacturing method of the node D comprises the following steps:
d1, respectively welding and manufacturing a chord member connecting column D, a Chinese character 'ri' column connecting block D and a frame column connecting block D;
and D2, placing the components in the step D1 on an assembly jig frame for assembly, flattening the assembly jig frame in an assembly area, using a level meter to check the components to position a horizontal point, ensuring that the whole plane of the components is on a horizontal plane, and then welding.
In step A3, after the assembly of assembling the connecting block A of the upper diagonal web member and the connecting blocks A of the two lower diagonal web members is completed, the H-shaped steel connecting bracket is welded between the side walls of the connecting blocks A of the lower diagonal web member and the connecting block A of the upper diagonal web member, the node A is reinforced, in step B4, the H-shaped steel connecting bracket is welded between the side walls of the connecting block B of the upper diagonal web member and the connecting block B of the box-type column, the node B is reinforced, and after the step C2 is completed, the H-shaped steel connecting bracket is welded between the side walls of the connecting block C of the upper diagonal web member and the connecting block C of the box-type column, and the node C is reinforced.
And after the welding is suspended or is finished, covering heat preservation cotton on the surface of the welding line.
The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.

Claims (9)

1.一种转换桁架，其特征在于，包括：钢柱、弦杆（1）、斜腹杆（2）和桁架节点，所述转换桁架整体呈上下开口的方形框架结构，所述钢柱、弦杆（1）、斜腹杆（2）之间通过桁架节点相连接，所述钢柱包括日字柱（3）和箱型柱（4），所述钢柱均为竖直设置，所述弦杆均为水平设置；1. A conversion truss, characterized in that it comprises: steel columns, chords (1), diagonal webs (2) and truss nodes, the conversion truss as a whole is a square frame structure with upper and lower openings, the steel columns, The chord (1) and the sloping web (2) are connected by truss nodes, the steel column includes a sun-shaped column (3) and a box-shaped column (4), and the steel columns are all vertically arranged, so The chords are all set horizontally; 所述桁架节点包括：节点A（5）、节点B（6）、节点C（7）和节点D（8），所述节点A设置于转换桁架的下层用于连接底层的巨柱（9），所述节点B、节点C和节点D设置于转换桁架的上层用于连接标准层的框架柱，所述节点A（5）包括：巨柱连接块（51）、水平基板（52）、日字柱连接块A（53）和两个下斜腹杆连接柱（54），所述巨柱连接块（51）垂直设置于所述水平基板（52）的下端，所述巨柱连接块（51）的下端与底层的巨柱（9）相连，所述日字柱连接块A（53）垂直设置于所述水平基板（52）的上端，所述日字柱连接块A（53）的结构与所述日字柱（3）相适应，所述日字柱连接块A（53）的上端与日字柱相（3）连接，两个所述下斜腹杆连接柱（54）分别设置于所述日字柱连接块A（53）相对的两个侧端面，两个下斜腹杆连接柱（54）呈V型；The truss nodes include: node A (5), node B (6), node C (7) and node D (8), the node A is arranged on the lower layer of the conversion truss and is used to connect the giant column (9) on the ground floor , the node B, the node C and the node D are arranged on the upper layer of the conversion truss for connecting the frame columns of the standard layer, and the node A (5) includes: a giant column connecting block (51), a horizontal base plate (52), a sun A character column connecting block A (53) and two lower inclined web rod connecting columns (54), the giant column connecting block (51) is vertically arranged at the lower end of the horizontal base plate (52), and the giant column connecting block ( The lower end of 51) is connected with the giant column (9) of the bottom layer, the sun-shaped column connecting block A (53) is vertically arranged on the upper end of the horizontal base plate (52), and the sun-shaped column connecting block A (53) The structure is adapted to the sun-shaped column (3), the upper end of the sun-shaped column connecting block A (53) is connected with the sun-shaped column phase (3), and the two lower inclined web connecting columns (54) are respectively are arranged on two opposite side end faces of the sun-shaped column connecting block A (53), and the two lower inclined web rod connecting columns (54) are V-shaped; 所述节点B（6）设置于转换桁架的拐角处，所述节点B（6）包括：箱型柱连接块B（61）、弦杆拐角连接柱（62）、框架柱连接块B（63）和两个上斜腹杆连接柱B（64），所述弦杆拐角连接柱（62）呈L型结构，水平设置的所述弦杆拐角连接柱（62）的两端部分别连接有弦杆（1），所述弦杆拐角连接柱（62）的上端设置有框架柱连接块B（63），所述框架柱连接块B（63）的上端与标准层的框架柱相连接，所述弦杆拐角连接柱（62）的下端设置有箱型柱连接块B（61），所述箱型柱连接块B（61）的下端与所述箱型柱（4）相连接，两个所述上斜腹杆连接柱B（64）分别设置于所述箱型柱连接块B（61）的相邻两个侧端面上，两个所述上斜腹杆连接柱B（64）呈倒V型;The node B (6) is arranged at the corner of the conversion truss, and the node B (6) includes: a box column connecting block B (61), a chord corner connecting column (62), a frame column connecting block B (63) ) and two upwardly inclined web connecting columns B (64), the chord corner connecting columns (62) are of L-shaped structure, and the two ends of the horizontally arranged chord corner connecting columns (62) are respectively connected with A chord (1), the upper end of the chord corner connecting column (62) is provided with a frame column connecting block B (63), and the upper end of the frame column connecting block B (63) is connected with the frame column of the standard layer, The lower end of the chord corner connecting column (62) is provided with a box-shaped column connecting block B (61), and the lower end of the box-shaped column connecting block B (61) is connected with the box-shaped column (4). The upper inclined web rod connecting columns B ( 64 ) are respectively arranged on two adjacent side end surfaces of the box-shaped column connecting block B ( 61 ), and the two upper inclined web rod connecting columns B ( 64 ) Inverted V shape; 所述节点C（7）包括：弦杆连接柱C（71）、箱型柱连接块C（72）、框架柱连接块C（73）和两个上斜腹杆连接柱C（74），所述弦杆连接柱C（71）为水平设置的长条状结构，所述弦杆连接柱C（71）的上端设置有框架柱连接块C（73），所述弦杆连接柱C（71）的下端设置有箱型柱连接块C（72），两个所述上斜腹杆连接柱C（74）分别设置于箱型柱连接块C（72）的相对两个侧端面上；The node C(7) includes: a chord connecting column C(71), a box column connecting block C(72), a frame column connecting block C(73) and two upper inclined web connecting columns C(74), The chord connecting column C (71) is a horizontally arranged elongated structure, the upper end of the chord connecting column C (71) is provided with a frame column connecting block C (73), and the chord connecting column C ( The lower end of 71) is provided with a box column connecting block C (72), and the two upper inclined web rod connecting columns C (74) are respectively arranged on two opposite side end surfaces of the box column connecting block C (72); 所述节点D（8）包括：弦杆连接柱D（81）、日字柱连接块D（82）和框架柱连接块D（83），所述弦杆连接柱D（81）的上端设置有框架柱连接块D（83），所述弦杆连接柱D（81）的下端设置有所述日字柱连接块D（82）；The node D(8) includes: a chord connecting column D(81), a Japanese column connecting block D(82) and a frame column connecting block D(83), and the upper end of the chord connecting column D(81) is provided with There is a frame column connecting block D (83), and the lower end of the chord connecting column D (81) is provided with the Japanese column connecting block D (82); 所述节点D（8）位于所述节点A（5）的正上方，所述节点A（5）与所述节点D（8）之间通过日字柱（3）连接，相对应的上斜腹杆连接柱、下斜腹杆连接柱之间设置有一根斜腹杆（2）。The node D(8) is located directly above the node A(5), and the node A(5) and the node D(8) are connected through the Japanese column (3), and the corresponding upward slope An inclined web rod (2) is arranged between the web rod connecting column and the lower inclined web rod connecting post. 2.根据权利要求1所述的一种转换桁架，其特征在于，所述巨柱连接块（51）的中心线与所述日字柱连接块A（53）的中心线共线。2 . The conversion truss according to claim 1 , wherein the center line of the giant column connecting block ( 51 ) is collinear with the center line of the sun column connecting block A ( 53 ). 3 . 3.根据权利要求2所述的一种转换桁架，其特征在于，所述转换桁架的一侧端面设置有两个节点A，两个节点A之间通过弦杆相连接，所述弦杆通过螺栓与所述巨柱连接块相连接，两个节点D一一对应设置于两个所述节点A的正上方，两个所述节点D之间设置有一个节点C，所述弦杆连接柱C与所述弦杆连接柱D之间通过弦杆相连接，所述节点C的两个弦杆连接柱C分别与两个节点A相对应，所述箱型柱连接块C的下端通过箱型柱与两个节点A之间的弦杆的上端面相连接。3 . The conversion truss according to claim 2 , wherein two nodes A are provided on one end face of the conversion truss, and the two nodes A are connected by chords, and the chords pass through the chords. 4 . The bolt is connected with the giant column connecting block, the two nodes D are arranged in a one-to-one correspondence directly above the two nodes A, a node C is arranged between the two nodes D, and the chord connecting column The C and the chord connecting column D are connected by a chord, the two chord connecting columns C of the node C correspond to the two nodes A respectively, and the lower end of the box-shaped column connecting block C passes through the box The shaped column is connected to the upper end face of the chord between the two nodes A. 4.根据权利要求1所述的一种转换桁架，其特征在于，所述桁架节点的外壁上均设置有吊装耳。4 . The conversion truss according to claim 1 , wherein hoisting ears are provided on the outer walls of the truss nodes. 5 . 5.根据权利要求1所述的一种转换桁架，其特征在于，所述框架柱连接块C（73）、框架柱连接块D（83）均为四棱台结构，所述四棱台结构的下端面积大于上端面积。5 . The conversion truss according to claim 1 , wherein the frame column connecting block C ( 73 ) and the frame column connecting block D ( 83 ) are both quadrangular pyramid structures, and the quadrangular pyramid structure The lower end area is larger than the upper end area. 6.根据权利要求1所述的一种转换桁架，其特征在于，框架柱连接块B为竖直设置的柱状结构，所述框架柱连接块B的下端连接于L型的弦杆拐角连接柱的拐角处的上端，所述框架柱连接块B的侧壁上设置有支撑牛腿。6 . The conversion truss according to claim 1 , wherein the frame column connecting block B is a vertically arranged columnar structure, and the lower end of the frame column connecting block B is connected to an L-shaped chord corner connecting column. 7 . At the upper end of the corner, the side wall of the frame column connecting block B is provided with a supporting corbel. 7.一种转换桁架的桁架节点焊接方法，其特征在于，包括：节点A、节点B、节点C和节点D的焊接制作方法，7. A truss node welding method for converting a truss, characterized in that, comprising: a welding fabrication method for node A, node B, node C and node D, 所述节点A的焊接制作方法包括以下步骤：The welding fabrication method of the node A includes the following steps: 步骤A1，焊接日字柱连接块A，先将一侧板水平放置于地面为下方腹板（531），点焊装配日字型柱的纵向肋板（532），并在纵向肋板的两侧点焊装配工艺隔板（533），在工艺隔板上开设有人孔（534），之后组立上方腹板，上方腹板的宽度方向留6mm余量，再组立两侧翼板（535），完成组立后，工作人员可通过人孔进入日字柱连接块A内部在进行纵向肋板和工艺隔板的完焊；Step A1, welding the connecting block A of the sun-shaped column, first place one side plate horizontally on the ground as the lower web (531), spot-weld and assemble the longitudinal rib (532) of the sun-shaped column, and place it on the two sides of the longitudinal rib. Assemble the process partition (533) by spot welding on the side, set up manholes (534) on the process partition, then assemble the upper web, leave a 6mm allowance in the width direction of the upper web, and then assemble the wings on both sides (535) , After the assembly is completed, the staff can enter the interior of the Japanese column connecting block A through the manhole to complete the welding of the longitudinal rib and the process partition; 步骤A2，焊接下斜腹杆连接柱，下斜腹杆连接柱采用双 V 坡口进行全熔透焊接；Step A2, welding the lower slanted web connecting column, and the lower sloping web connecting column adopts double V groove for full penetration welding; 步骤A3，装配日字柱连接块A和两个下斜腹杆连接柱，将日字柱连接块A和两个下斜腹杆连接柱放置于装配胎架进行组装，并用水平仪检验各构件的定位水平点，保证各构件不带角度的那面整体在一个水平面，以此为基准，根据高差和定位尺寸，调整构件至公差要求范围内并固定各构件的姿态；Step A3, assemble the sun-shaped column connecting block A and the two lower oblique web rod connecting columns, place the sun-shaped column connecting block A and the two lower oblique web rod connecting columns on the assembly tire frame for assembly, and use a spirit level to check the quality of each component. Position the horizontal point to ensure that the non-angled side of each component is on a horizontal plane. Based on this, according to the height difference and positioning size, adjust the components to within the tolerance requirements and fix the posture of each component; 步骤A4，装配水平基板A，并在水平基板A的下端面装配巨柱连接块；Step A4, assembling the horizontal substrate A, and assembling the giant column connecting block on the lower end face of the horizontal substrate A; 所述节点B的焊接制作方法包括以下步骤：The welding fabrication method of the node B includes the following steps: 步骤B1，制作弦杆拐角连接柱，所述弦杆拐角连接柱为L型的箱型柱结构，在弦杆拐角连接柱的内部设置有多个带有人孔的工艺隔板，在弦杆拐角连接柱的拐角处上端面和下端面均开设人孔；Step B1, making the chord corner connecting column, the chord corner connecting column is an L-shaped box column structure, and a plurality of process partitions with manholes are arranged inside the chord corner connecting column, and the chord corner connecting column is provided with a plurality of process partitions. The upper and lower end faces of the corners of the connecting column are provided with manholes; 步骤B2，焊接制作上斜腹杆连接柱B，上斜腹杆连接柱的制作流程与下斜腹杆连接柱相同；Step B2, welding and manufacturing the upper slanted web connecting column B, and the manufacturing process of the upper sloping web connecting column is the same as that of the lower sloping web connecting column; 步骤B3，装配箱型柱连接块B于所述弦杆拐角连接柱的拐角处的下端面，装配框架柱连接块B于所述弦杆拐角连接柱的拐角处的上端面，首先将箱型柱连接块B与所述弦杆拐角连接柱的端面进行外部焊接，之后由工作人员通过工艺隔板的人孔进入弦杆拐角连接柱的内部，之后由弦杆拐角连接柱的拐角处下端面的人孔进入箱型柱连接块B内部进行内部焊接工作和焊接加强连接肋工作，焊接框架柱连接块B的方式与焊接箱型柱连接块B的方式相同；Step B3, assemble the lower end face of the box column connecting block B at the corner of the chord corner connecting column, assemble the upper end face of the frame column connecting block B at the corner of the chord corner connecting column, first place the box The column connecting block B is externally welded to the end face of the chord corner connecting column, and then the staff enters the interior of the chord corner connecting column through the manhole of the process partition, and then the chord corner connects the lower end face of the corner of the column. The manhole that enters the box-column connecting block B for internal welding work and welding to strengthen the connecting rib work. 步骤B4，装配两个上斜腹杆连接柱B于箱型柱连接块B的侧端；Step B4, assembling two upper inclined web rod connecting columns B on the side ends of the box column connecting block B; 所述节点C的焊接制作方法包括以下步骤：The welding fabrication method of the node C includes the following steps: 步骤C1，分别焊接制作弦杆连接柱C、箱型柱连接块C、框架柱连接块C和上斜腹杆连接柱C；Step C1, welding and manufacturing the chord connecting column C, the box column connecting block C, the frame column connecting block C and the upper inclined web connecting column C; 步骤C2，将步骤C1中的各构件放置于装配胎架进行组装，装配区胎架应垫平，并用水平仪检验构件定位水平点，保证构件平面整体在一个水平面，之后进行焊接，焊接时每道全熔透焊缝接头预留 3mm 收缩余量；In step C2, each component in step C1 is placed on the assembly frame for assembly. The frame in the assembly area should be leveled, and a level gauge is used to check the component positioning level to ensure that the component plane is on a horizontal plane as a whole, and then welding is performed. A 3mm shrinkage allowance is reserved for full penetration weld joints; 所述节点D的焊接制作方法包括以下步骤：The welding fabrication method of the node D includes the following steps: 步骤D1，分别焊接制作弦杆连接柱D、日字柱连接块D和框架柱连接块D；Step D1, respectively welding and manufacturing the chord connecting column D, the Japanese column connecting block D and the frame column connecting block D; 步骤D2，将步骤D1中的各构件放置于装配胎架进行组装，装配区胎架应垫平，并用水平仪检验构件定位水平点，保证构件平面整体在一个水平面，之后进行焊接。In step D2, each component in step D1 is placed on the assembly frame for assembly. The frame in the assembly area should be leveled, and a level is used to check the component positioning level to ensure that the component plane is on a horizontal plane as a whole, and then welding is performed. 8.根据权利要求7所述的一种转换桁架的桁架节点焊接方法，其特征在于，所述步骤A3中，完成装配日字柱连接块A和两个下斜腹杆连接柱的装配后，在下斜腹杆连接柱和日字柱连接块A侧壁之间焊接H型钢连接牛腿，对节点A进行加固，所述步骤B4中，在上斜腹杆连接柱B和箱型柱连接块B侧壁之间焊接H型钢连接牛腿，对节点B进行加固，完成步骤C2后，在上斜腹杆连接柱C和箱型柱连接块C侧壁之间焊接H型钢连接牛腿，对节点C进行加固。8. The method for welding a truss node of a conversion truss according to claim 7, wherein in the step A3, after completing the assembly of the sun-shaped column connecting block A and the two lower inclined web connecting columns, An H-shaped steel connecting corbel is welded between the lower inclined web connecting column and the side wall of the Japanese column connecting block A, and the node A is reinforced. In the step B4, the upper inclined web connecting column B and the box column connecting block are connected. Weld H-beams between the side walls of B to connect the corbels to reinforce node B. After completing step C2, weld H-beams to connect the corbels between the upper inclined web bar connecting column C and the side walls of the box column connecting block C. Node C is reinforced. 9.根据权利要求7所述的一种转换桁架的桁架节点焊接方法，其特征在于，焊接暂停或焊接完成后，在焊缝表面覆盖保温棉。9 . The method for welding a truss node of a conversion truss according to claim 7 , wherein, after the welding is suspended or the welding is completed, the surface of the welding seam is covered with thermal insulation cotton. 10 .
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126090A (en) * 2022-07-27 2022-09-30 山西潇河建筑产业有限公司 A large-span multi-section composite truss roof structure system and its construction method
CN116657925A (en) * 2023-06-12 2023-08-29 中建二局阳光智造有限公司 Method for installing steel structure cantilever truss
CN116791779A (en) * 2023-06-19 2023-09-22 四川省建筑设计研究院有限公司 Vertical space truss type lap joint column and design method thereof
CN117027160A (en) * 2023-07-07 2023-11-10 四川省建筑设计研究院有限公司 Vertical space truss type lap joint column and design method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201507031U (en) * 2009-09-11 2010-06-16 大连悦泰建设工程有限公司 Structural system of steel truss structural transition layer
WO2017121315A1 (en) * 2016-01-12 2017-07-20 广州机施建设集团有限公司 Construction method for building truss and floor slab
CN107199437A (en) * 2016-03-16 2017-09-26 中铁十五局集团有限公司 Preparation method of steel anchor beam segment
CN110253167A (en) * 2019-06-26 2019-09-20 浙江精工钢结构集团有限公司 A kind of production method of beam column switching node
CN110802339A (en) * 2019-11-08 2020-02-18 中铁二局集团有限公司 Machining method for node of box-shaped steel structure shaped like Chinese character' mi
CN111411691A (en) * 2020-04-30 2020-07-14 同济大学建筑设计研究院(集团)有限公司 Cross-floor conversion structure and building structure
CN212224743U (en) * 2020-04-28 2020-12-25 郑州商学院 A commercial-residential integrated building with a truss-type transfer floor
CN212742944U (en) * 2020-05-08 2021-03-19 中建钢构江苏有限公司 Multi-cavity combined arch foot node
CN213233831U (en) * 2020-08-28 2021-05-18 天津华汇工程建筑设计有限公司 The connecting node of the round steel pipe hanger hanging under the conversion truss with I-shaped steel members

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201507031U (en) * 2009-09-11 2010-06-16 大连悦泰建设工程有限公司 Structural system of steel truss structural transition layer
WO2017121315A1 (en) * 2016-01-12 2017-07-20 广州机施建设集团有限公司 Construction method for building truss and floor slab
CN107199437A (en) * 2016-03-16 2017-09-26 中铁十五局集团有限公司 Preparation method of steel anchor beam segment
CN110253167A (en) * 2019-06-26 2019-09-20 浙江精工钢结构集团有限公司 A kind of production method of beam column switching node
CN110802339A (en) * 2019-11-08 2020-02-18 中铁二局集团有限公司 Machining method for node of box-shaped steel structure shaped like Chinese character' mi
CN212224743U (en) * 2020-04-28 2020-12-25 郑州商学院 A commercial-residential integrated building with a truss-type transfer floor
CN111411691A (en) * 2020-04-30 2020-07-14 同济大学建筑设计研究院(集团)有限公司 Cross-floor conversion structure and building structure
CN212742944U (en) * 2020-05-08 2021-03-19 中建钢构江苏有限公司 Multi-cavity combined arch foot node
CN213233831U (en) * 2020-08-28 2021-05-18 天津华汇工程建筑设计有限公司 The connecting node of the round steel pipe hanger hanging under the conversion truss with I-shaped steel members

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126090A (en) * 2022-07-27 2022-09-30 山西潇河建筑产业有限公司 A large-span multi-section composite truss roof structure system and its construction method
CN116657925A (en) * 2023-06-12 2023-08-29 中建二局阳光智造有限公司 Method for installing steel structure cantilever truss
CN116791779A (en) * 2023-06-19 2023-09-22 四川省建筑设计研究院有限公司 Vertical space truss type lap joint column and design method thereof
CN117027160A (en) * 2023-07-07 2023-11-10 四川省建筑设计研究院有限公司 Vertical space truss type lap joint column and design method thereof

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