WO2023024281A1

WO2023024281A1 - Internally multi-stiffened round tube adapter supporting node with structure in shape of chinese character "目", and manufacturing process therefor

Info

Publication number: WO2023024281A1
Application number: PCT/CN2021/131862
Authority: WO
Inventors: 李勇军; 蒋飞; 范迎利; 刘心艺; 陈楚
Original assignee: 江苏沪宁钢机股份有限公司
Priority date: 2021-08-25
Filing date: 2021-11-19
Publication date: 2023-03-02
Also published as: CN113653184A

Abstract

Disclosed in the present invention is an internally multi-stiffened round tube adapter supporting node with a structure in the shape of the Chinese character "目", the supporting node comprising: a round tube column, a group of first corbels, a second corbel, and a third corbel, wherein the first corbels, the second corbel, and the third corbel are all arranged on the round tube column; the two first corbels are arranged on two sides of the round tube column and are opposite each other; the second corbel and the third corbel are arranged on two sides of the round tube column and are opposite each other; and the second corbel and the third corbel are spaced apart from the first corbels. The present invention has a simple structure, and is rationally arranged. By means of structural optimization of the supporting node, the supporting performance thereof is greatly improved. The arrangement of the first corbels, the second corbel, and the third corbel not only improves the stability of the structure, but also greatly increases connection points of the supporting node to facilitate connection between the supporting node and other structures, so that the supporting node realizes multi-directional adaption. Therefore, the present invention effectively solves the problem of difficulties in connection and redirection during the construction process of the current steel structure buildings, and thus better meets the requirements of construction.

Description

An internal multi-channel stiffened circular tube transfer mesh structure support node and its manufacturing process

technical field

The invention belongs to the technical field of steel structure buildings, and in particular relates to a support node and a manufacturing process for connecting internal multi-channel stiffened circular tubes to a mesh-shaped structure.

Background technique

Steel structure building is a new type of building system, which breaks through the industry boundaries among real estate, construction, and metallurgical industries, and integrates them into a new industrial system. Compared with traditional concrete buildings, steel structure buildings use steel plates or section steel instead of reinforced concrete, which has higher strength and better earthquake resistance. And because the components can be manufactured in a factory and installed on site, the construction period is greatly reduced. Due to the reusable use of steel, construction waste can be greatly reduced, and it is more environmentally friendly, so it is widely adopted by countries all over the world and used in industrial buildings and civil buildings.

Support nodes are the main support components in steel structure buildings. Most of the current common support nodes are cylindrical or square columns. During the construction process, because they need to be connected with other components, the existing support nodes have fewer connection points. , which greatly increases the difficulty of connecting the required connecting parts and supporting nodes, and requires the use of many adapters to connect to achieve the connection, which not only increases the workload of workers, but also due to the thicker steel plate, complex structure, and It is extremely difficult to ensure the size, and the construction has brought many difficulties, seriously affecting the construction period, so the existing structure of the supporting nodes still needs to be improved.

Contents of the invention

Purpose of the invention: In order to overcome the above deficiencies, the purpose of the present invention is to provide a support node with internal multi-channel stiffened round pipes connected to the mesh structure, which is simple in structure and reasonable in setting. By optimizing the structure of the support nodes, its Support performance, the setting of the first corbel, the second corbel and the third corbel not only improves the stability of the structure, but also greatly increases the butt joint points of the support node, which facilitates its connection with other structures, so that the The support node realizes multi-directional transfer.

Technical solution: In order to achieve the above purpose, the present invention provides a manufacturing process for internal multi-channel stiffened circular tubes to transfer mesh structure support nodes. The specific manufacturing process is as follows:

1): Decompose the supporting nodes according to the drawings, and divide the circular pipe column into three sections for fabrication;

2): Assemble and weld the first round pipe column;

3): Assembling and welding the first corbel, that is, firstly welding the first corbel to shape through full penetration welding, and adopting the root cleaning method at the welded groove, and then setting the welded group of first corbels opposite to each other. on both sides of the first round pipe column, and weld the joint through full penetration welding, and the welded groove adopts the form of root-cut welding groove, and then the stiffener and the first corbel are welded through partial penetration welding. Welding is carried out in the same way, and the groove of the weld is welded with a single side of 40° and a root of 3mm;

4): Assembling and welding the second corbel, that is, first closing the steel into an H-shape by full penetration welding, and then welding the H-shaped corbel to the first round pipe column by full penetration welding, Then install the corbel web into the H-shaped corbel in turn, the weld at the joint is a full penetration weld, and the groove is in the form of backing plate welding groove;

5) Assemble and weld the inner partition, that is, weld the inner partition on three sides, ground the connection between the other side and the lower flange of the second corbel and tighten it, and weld and fix the other three sides by local penetration welding. 35° on one side, with a 3mm root for welding;

6): Install and weld the second corbel and then seal the plate. Weld the seal plate and the second corbel by local penetration welding. The R hole of the plate is not opened, forming a closed space;

7): Assembling and welding the third corbel, that is, welding the U-shaped closure, corbel cover, T row, L-shaped closure and a group of side sealing plates in sequence;

8): Assembling and welding the second round pipe column, installing and welding the vertical internal stiffener in the second round pipe column, welding the joint through equal strength welding, and adopting T-shaped weld bevel at the groove, and then its and the first tubular string;

9): Install and weld the third round pipe column, install and weld the vertical internal stiffener in the third round pipe column, weld the joint through equal strength welding, and adopt T-shaped weld groove at the groove;

10): The first round pipe string, the second round pipe string and the third round pipe string are closed, and the connection part is welded by full penetration welding. With the mouth facing outward, the vertical inner base plates in the first, second and third cylindrical pipe columns are welded to each other through full penetration welding, and the groove form is the backing plate welding groove form;

11): Assembling and welding the cross reinforcement, first splicing the cross reinforcement by itself through equal-strength welding, and then welding the cross reinforcement and the vertical inner strength plate in the third round pipe column through equal-strength welding, The groove form adopts T-shaped weld groove, and the groove is opened on the cross reinforcement;

12): Install welding round pipe column sealing plate and other accessories.

In the present invention, a kind of manufacturing process of internal multi-channel stiffened circular tube transfer mesh structure support node, the welding method of the first circular tube column in step 2 is as follows:

1): first install and weld the third horizontal inner partition in the first round pipe column, and perform full-penetration welding on the connection, and then weld the groove in the form of backing plate welding;

2): Then install and weld the vertical stiffener, and weld it with the first round pipe column and the third horizontal inner partition through equal strength welding, and the groove at the joint is in the form of a T-shaped groove , and then install and weld longitudinal stiffeners;

3): Weld the longitudinal stiffener plate, the third horizontal inner partition and the pipe wall of the first round pipe column through equal strength welding, and the groove at the joint is welded at 35° on one side, leaving a root of 3mm. The groove faces the side with larger space;

4): Then remove the second horizontal partition and the first horizontal partition in sequence, and the connection between the longitudinal stiffener and the second horizontal partition is smoothed and tightened.

In the present invention, a kind of manufacturing process of internal multi-channel stiffened circular tube transfer mesh structure support node, the specific welding method of the third corbel in step 7 is as follows:

1): Firstly weld the steel plate to the U-shaped joint by full penetration welding, and then weld the U-shaped joint to the first round pipe column by full penetration welding. oral form;

2): Assemble and weld the inner stiffener assembly, first weld the triangular inner stiffener to the U-shaped small closure, the groove at the joint is upward, and the groove is single-sided 40°, leaving a root of 3mm for welding;

3): Install and weld the corbel cover plate and the side sealing plate on the U-shaped small closure, that is, respectively connect the corbel cover plate and the side sealing plate with the first round pipe column and the U-shaped small closure through full penetration welding, The groove is welded in the form of backing plate welding groove, and the R hole on the side sealing plate is not opened, so that it forms a closed space;

4): Install and weld the T row, that is, close the T row itself and perform full penetration welding. The groove form of the joint adopts the root cleaning groove form, and then close the T row and install it on the first round pipe column , and perform full penetration welding on the connection, the groove form of the connection adopts the back plate welding groove form, and the groove faces outward;

5): Install and weld the H-shaped corbel stiffener and H-shaped corbel web of the T row, that is, the H-shaped corbel stiffener is installed on the T row, and full penetration welding is performed, and the groove adopts the backing plate welding groove form, and the groove faces outward, and then weld the H-shaped corbel web and the T row through full penetration welding. If the included angle is too small, the workshop needs to be sealed with a sealing plate to form a closed space. The weld between the sealing plate and the building is a non-single-sided fillet weld, and the welding foot is 5mm;

6): Welding L-shaped closure, that is, the L-shaped closure is firstly closed by itself, and welded by full penetration welding. The groove adopts the form of root cleaning groove, and then the welded L-shaped A round pipe column connection, the joint is welded by full penetration welding, the groove form adopts the back plate welding groove form, and the L-shaped closing and the welding groove of the first round pipe column face inward;

7): The corbel web on the outer side of the L-shaped closure is welded by full penetration welding, and the groove form adopts the back plate welding groove form, and the groove faces outward;

8): The side sealing plates on the two outer sides are assembled and welded L-shaped, and welded by full penetration welding, and the groove form adopts the backing plate welding groove form, the groove faces outward, and the R hole on the side sealing plate Do not open, let it form a closed space;

9): Assemble and weld the supporting plate and the supporting plate stiffener, that is, weld the supporting plate and the supporting plate stiffening plate through partial penetration welding. When welding, the supporting plate is in contact with the adjacent corbel. The supporting plate is billed Face bevel, with the bevel facing the flush side.

An internal multi-channel stiffened circular pipe transfer mesh structure support node described in the present invention includes: a circular pipe column, a set of first corbels, second corbels and third corbels, wherein the first corbel The first corbel, the second corbel and the third corbel are all arranged on the circular pipe column, the two first corbels are arranged on both sides of the circular pipe column oppositely, and the second corbel and the third corbel are oppositely arranged on the The two sides of the cylindrical pipe column, and the second corbel and the third corbel are arranged at intervals from the first corbel. A kind of internal multi-channel stiffening circular tube transfer mesh structure support node described in the present invention has a simple structure and reasonable setting. By optimizing the structure of the support node, its support performance is greatly improved. The first cow The setting of the legs, the second corbel and the third corbel not only improves the stability of the structure, but also greatly increases the docking points of the support node, which facilitates its connection with other structures, allowing the support node to achieve multi-directional transfer, It solves the problem of difficult connection and steering in the current steel structure building construction process, so that it can better meet the needs of construction.

Wherein, the circular pipe string includes a first circular pipe string, a second circular pipe string and a third circular pipe string, and the second circular pipe string is arranged between the first circular pipe string and the third circular pipe string, so The first corbel, the second corbel and the third corbel are all arranged on the first circular pipe column.

Further, a set of horizontal internal partitions is provided in the first circular pipe column, a set of vertical stiffeners are arranged between the horizontal internal partitions, and the connection between the vertical stiffeners and the horizontal internal partitions is provided Longitudinal stiffening plate; the arrangement of the horizontal internal partition and the vertical stiffening plate improves the stability and support of the first circular pipe column structure, thereby further improving the safety of its later use.

A set of second vertical stiffeners are provided in the second and third cylindrical pipe columns, and a cross reinforcing force is provided in the lower port of the third cylindrical pipe column. The arrangement of the second vertical stiffener and the cross reinforcement effectively improves the structural stability of the second circular pipe column and the third circular pipe column, and further improves the stability of the circular pipe column structure.

Further, the first corbel is an H-shaped corbel, which includes a top plate, a bottom plate and a vertical connecting plate, the top plate and the bottom plate are arranged opposite to each other up and down, and the vertical connecting plate is vertically arranged between the top plate and the bottom plate , the outer side of the vertical connecting plate is provided with a stiffening plate, and the side of the top plate and the bottom plate close to the round pipe column is arc-shaped, which is matched with the round pipe column.

Preferably, the second corbel is a mesh-shaped corbel, which includes a corbel frame, a set of corbel webs, a set of inner partitions and a sealing plate, and the corbel webs are vertically arranged on the corbel frame Inside, the inner partition is set in the corbel frame and connected with the corbel web, and the sealing plate is set at the end of the corbel frame away from the round pipe column.

Further preferably, the third corbel adopts a box-shaped corbel, which includes a U-shaped closure, a corbel cover plate, a T row, an L-shaped closure and a set of side sealing plates, and one side of the U-shaped closure is connected to the circle The pipe column is connected, the corbel cover is arranged above the U-shaped closure, and one side thereof is connected with the round pipe column, the T row is provided under the corbel cover, and its upper part is connected with the corbel cover, The side wall of one side U-shaped closing is connected, and the inner side is connected with the round pipe column. The L-shaped closing is located on the side of the T row away from the U-shaped closing, which is connected with the round pipe column and the corbel cover. The U-shaped The outer sides of closing and L-shaped closing are all provided with side sealing plates. The third corbel adopts a unique structural setting, allowing it to realize multiple connection nodes, which facilitates the transfer between the support node and other components.

More preferably, an internal strength plate assembly is provided inside the U-shaped closure, and the internal strength plate assembly includes a triangular internal strength plate and a vertical internal strength plate, and the triangular internal strength plate is horizontally arranged in the U-shaped closure. , the vertical inner stiffener is arranged above the triangular inner stiffener, and its two sides are respectively connected with the U-shaped closed inner wall and the circular pipe column. The setting of the inner stiffener assembly effectively improves the stability of the U-shaped closing structure.

Further, the corbel cover plate is in the shape of a mountain.

Further, a support plate is provided between the third corbel and the first corbel, and a support plate stiffener is provided below the support plate.

Further, the T row includes a T row of bottom plates and a T row of vertical partitions, and the T row of vertical partitions is arranged above the T row of bottom plates, and H-shaped cowls are arranged on both sides of the T row of vertical partitions. Leg stiffeners, H-shaped corbel webs are located on the outside of the vertical partitions in the T row.

It can be seen from the foregoing technical scheme that the present invention has the following beneficial effects:

1. The manufacturing process of a kind of internal multi-channel stiffening circular tube transfer mesh structure support node described in the present invention, the whole support node is partially constructed, and then assembled and welded, which not only reduces its cost at the construction site It occupies a large area, but also brings a lot of convenience to the construction, so that it can better meet the needs of construction.

2. An internal multi-channel stiffened circular tube transfer structure support node described in the present invention has a simple structure and reasonable setting. By optimizing the structure of the support node, its support performance is greatly improved. The first The setting of the first corbel, the second corbel and the third corbel not only improves the stability of the structure, but also greatly increases the docking points of the support node, which facilitates its connection with other structures and allows the support node to realize multi-directional rotation. It solves the problem of difficult connection and steering in the current steel structure building construction process, so that it can better meet the needs of construction.

3. In the present invention, a set of horizontal internal partitions is provided in the first circular pipe column, and a group of vertical stiffeners are arranged between the horizontal internal partitions. The arrangement of the horizontal internal partitions and the vertical stiffeners , improve the stability and support of the structure of the first round pipe; the second round pipe and the third round pipe are provided with a set of second vertical stiffeners, and are located at the lower port of the third round pipe There is a cross plus strong inside. The setting of the second vertical stiffener and the cross reinforcement effectively improves the structural stability of the second and third circular pipe columns, and further improves the stability of the circular pipe column structure, thereby further improving the stability of its later use. security.

4. The third corbel in the present invention adopts a unique structural setting, allowing it to realize multiple connection nodes, which facilitates the transfer between the support node and other components.

Description of drawings

Fig. 1 is the structure schematic diagram of the internal multi-channel stiffening circular pipe transfer mesh word structure support node of the present invention;

Figure 2 is a schematic diagram of the installation structure of the horizontal inner partition and the vertical stiffener in the present invention;

Fig. 3 is the installation structure schematic diagram of the first corbel among the present invention;

Fig. 4 is the installation structure schematic diagram of the second corbel among the present invention;

Fig. 5 is the local schematic diagram of the second corbel among the present invention;

Fig. 6 is the structural representation of the 3rd corbel among the present invention;

Fig. 7 is the installation sketch map of H type corbel stiffener and H type corbel web among the present invention;

Fig. 8 is a schematic diagram of the installation structure of the inner stiffener assembly in the present invention;

Fig. 9 is a schematic diagram of the installation structure of the second vertical stiffener and the cross stiffener in the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " The orientations or positional relationships indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" are based on the attached The orientation or positional relationship shown in the figure is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to this invention. Invention Limitations.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Example 1

As shown in the figure, an internal multi-channel stiffened circular pipe transfer mesh structure support node includes: a circular pipe column 1, a set of first corbels 2, second corbels 3 and third corbels 4, wherein, The cylindrical pipe column 1 includes a first cylindrical pipe column 11, a second cylindrical pipe column 12 and a third cylindrical pipe column 13, and the second cylindrical pipe column 12 is arranged on the first cylindrical pipe column 11 and the third cylindrical pipe column. Between 13, the first corbel 2, the second corbel 3 and the third corbel 4 are all arranged on the first circular pipe column 11, and the two first corbels 2 are relatively arranged on both sides of the circular pipe column 1 The second corbel 3 and the third corbel 4 are oppositely arranged on both sides of the cylindrical column 1 , and the second corbel 3 and the third corbel 4 are spaced apart from the first corbel 2 .

In this embodiment, the first corbel 2 is an H-shaped corbel, which includes a top plate 21, a bottom plate 22 and a vertical connecting plate 23. The top plate 21 and the bottom plate 22 are arranged up and down oppositely, and the vertical connecting plate 23 is vertical. Located between the top plate 21 and the bottom plate 22, the outer side of the vertical connecting plate 23 is provided with a stiffening plate 24, and the side of the top plate 21 and the bottom plate 22 close to the round tube column 1 is in the shape of an arc, which is connected with the round tube Column 1 fits.

The second corbel 3 in this embodiment is a mesh-shaped corbel, which includes a corbel frame 31, a set of corbel webs 32, a set of inner partitions 33 and a sealing plate 34, the corbel webs 32 is vertically set in the corbel frame 31, the inner partition 33 is set in the corbel frame 31, and is connected with the corbel web 32, and the sealing plate 34 is set in the corbel frame 31 away from the cylindrical column 1 one end.

The third corbel 4 described in this embodiment adopts a box-shaped corbel, which includes a U-shaped closing 41, a corbel cover 42, a T row 43, an L-shaped closing 44, and a group of side sealing plates 45. The U-shaped One side of the closing 41 is connected to the round pipe column 1, the corbel cover 42 is arranged above the U-shaped closing 41, and one side thereof is connected to the round pipe column 1, and the T row 43 is arranged on the corbel cover 42, its upper part is connected with the corbel cover plate 42, the side wall of the U-shaped closure 41 on one side is connected, and the inner side is connected with the round pipe column 1, and the L-shaped closure 44 is arranged on the T row 43 away from the U-shaped closure 41 One side of it is connected with the round pipe column 1 and the corbel cover plate 42, and the outer sides of the U-shaped closing 41 and the L-shaped closing 44 are provided with side sealing plates 45.

The inside of the U-shaped folding 41 in this embodiment is provided with an inner strength plate assembly, and the inner strength plate assembly includes a triangular inner strength plate 411 and a vertical inner strength plate 412, and the triangular inner strength plate 411 is horizontally arranged on the U In the U-shaped closing 41, the vertical inner stiffening plate 412 is arranged above the triangular inner stiffening plate 411, and its two sides are respectively connected with the inner wall of the U-shaped closing 41 and the round pipe column 1.

Example 2

In this embodiment, the corbel cover plate 42 is in the shape of a mountain.

In this embodiment, a support plate 5 is provided between the third corbel 4 and the first corbel 2 , and a support plate stiffener 6 is provided below the support plate 5 .

In this embodiment, a group of horizontal internal partitions 14 are arranged inside the first circular pipe column 11, and a group of vertical stiffeners 15 are arranged between the horizontal internal partitions 14. The vertical stiffeners 15 and the horizontal inner partitions A longitudinal stiffener 16 is provided at the joint of the partition 14;

A set of second vertical stiffeners 17 are provided in the second cylindrical column 12 and the third cylindrical column 13 , and a cross reinforcement force 18 is provided in the lower port of the third cylindrical column 13 .

The T row 43 in this embodiment includes a T row of bottom plates 431 and a T row of vertical partitions 432, and the T row of vertical partitions 432 is located above the T row of bottom plates, and is located on both sides of the T row of vertical partitions 432. An H-shaped corbel stiffener 433 is provided on the side, and an H-shaped corbel web 434 is provided on the outside of the T row of vertical partitions 432 .

Example 3

The manufacturing process of a kind of internal multi-channel stiffening circular tube transfer mesh structure support node described in this embodiment, the specific manufacturing process is as follows:

1): Decompose the supporting nodes according to the drawings, and divide the circular pipe column 1 into three sections for fabrication;

2): Assemble and weld the first round pipe column 11;

3): Assembling and welding the first corbel 2, that is, the first corbel 2 is welded and formed by full penetration welding, and the welded groove adopts the form of root cleaning, and then the welded group of first corbels is welded 2. It is relatively arranged on both sides of the first round pipe column 11, and the joint is welded by full penetration welding, and the welded groove adopts the form of root cleaning groove, and then the stiffening plate 24 and the first corbel 2 Welding is carried out by partial penetration, and the groove of the weld is welded with a single side of 40° and a root of 3mm;

4): Assembling and welding the second corbel 3, that is, first closing the steel into an H-shape by full penetration welding, and then joining the H-shaped corbel and the first round pipe column 11 by full penetration welding Welding, and then sequentially install the corbel web 32 into the H-shaped corbel, the weld at the joint is a full-penetration weld, and the groove form is the backing plate welding groove form;

5): Install and weld the inner partition 33, that is, weld the inner partition 33 on three sides, ground the joint between the other side and the lower flange of the second corbel, and fix the other three sides by local penetration welding. The mouth is welded with a 35° on one side and a 3mm root;

6): Install and weld the second corbel 3 and then the sealing plate 34, and weld the sealing plate 3 and the second corbel 3 by partial penetration welding, and the groove adopts a method of 40° on one side and 3 mm of root Welding, and the 34R hole of the sealing plate is not opened, forming a closed space;

7): Assembling and welding the third corbel 4, that is, welding the U-shaped closing 41, corbel cover 42, T row 43, L-shaped closing 44 and a group of side sealing plates 45 in sequence;

8): Install and weld the second round pipe column 12, install and weld the vertical internal stiffener 412 inside the second round pipe column 12, weld the joint by equal strength welding, and adopt T-shaped weld groove at the groove , and then combine it with the first round string;

9): Install and weld the third round pipe column 13, install and weld the vertical internal stiffener 412 inside the third round pipe column 13, weld the joint by equal strength welding, and adopt T-shaped weld groove at the groove ;

10): Close up the first round pipe string 11, the second round pipe string 12 and the third round pipe string 13, and weld the connecting parts through full penetration welding, and adopt the backing plate welding groove form at the groove , and the groove faces outward, the vertical inner base plate 412 in the first cylindrical pipe column 11, the second cylindrical pipe column 12 and the third cylindrical pipe column 13 are welded to each other by full penetration welding, and the groove form is Welding groove form of backing plate;

11): Assembling and welding the cross reinforcement 18, first splicing the cross reinforcement 18 by itself through equal-strength welding, and then connecting the cross reinforcement 18 and the vertical internal force in the third cylindrical column 13 by equal-strength welding Plate 412 is welded, and the groove form adopts T-shaped weld groove, and the groove is opened on the cross reinforcement 18;

12): Install welding round pipe column sealing plate and other accessories.

In this embodiment, a manufacturing process of internal multi-channel stiffened circular tubes transferred to mesh structure support nodes, the welding method of the first circular tube column 11 in step 2 is as follows:

1): first install and weld the third horizontal inner partition 14 in the first round pipe column 11, and carry out full penetration welding on the joint, and then weld the groove with backing plate welding;

2): Then weld the vertical stiffener 15, and weld it with the first round pipe column 11 and the third horizontal inner partition 14 through equal strength welding, and the groove at the joint is T-shaped Groove form, then install and weld longitudinal stiffeners 16;

3): Weld the longitudinal stiffening plate 16, the third horizontal inner partition 14 and the pipe wall of the first round pipe column 11 through equal strength welding, and the groove at the joint is welded at 35° on one side, leaving a root of 3mm , the groove faces the side with larger space during processing;

4): Then dismount the second horizontal partition 14 and the first horizontal partition 14 in sequence, and the connection between the longitudinal stiffening plate 16 and the second horizontal partition 14 is smoothed and tightened.

In the embodiment, a kind of manufacturing process of internal multi-channel stiffening circular tube transfer mesh structure support node, the specific welding method of the third corbel 4 in step 7 is as follows:

1): first weld the steel plate to a U-shaped joint by means of full penetration welding, and then weld the U-shaped joint to the first round pipe column 11 by means of full penetration welding, in which the groove forms are backing plate welding Groove form;

2): Assemble and weld the inner stiffener assembly, first weld the triangular inner stiffener 411 to the U-shaped small joint, the groove at the joint is upward, and the groove is single-sided 40°, leaving a root of 3mm for welding ;

3: Install and weld the corbel cover plate 42 and the side sealing plate 45 on the U-shaped small closure, that is, respectively connect the corbel cover plate 42 and the side sealing plate 45 with the first round pipe column 11 and the U-shaped Small closing connection, the groove is welded in the form of backing plate welding groove, and the R hole on the side sealing plate 45 is not opened, so that it forms a closed space;

4): Install and weld the T row 43, that is, close the T row itself and perform full penetration welding. The groove form of the joint adopts the root cleaning groove form, and then close the T row and install it on the first round pipe column 11, and perform full penetration welding on the connection, the groove form of the connection adopts the back plate welding groove form, and the groove faces outward;

5): Install and weld the H-shaped corbel stiffener 433 and the H-shaped corbel web 434 of the T row 43, that is, install the H-shaped corbel stiffener 433 on the T row, and perform full penetration welding, and the groove adopts pads Plate welding groove form, and the groove faces outward, and then weld the H-shaped corbel web 434 and T row 43 through full penetration welding. The angle between the small and small joints is too small, and the workshop needs to be sealed with a sealing plate to form a closed space. The weld between the sealing plate and the building is a non-single-sided fillet weld, and the welding foot is 5mm;

6): Installing and welding L-shaped closing 44, that is, first closing the L-shaped closing 44 by itself, and welding through full penetration welding. The groove adopts the form of root cleaning groove, and then the welded L-shaped closing 44 is connected with the first round pipe column 11, and the joint is welded by full penetration welding. The groove form adopts the back plate welding groove form, and the L-shaped closing 44 and the first round pipe column 11 weld the groove inward. ;

7): The corbel web on the outside of 44 is assembled and welded in an L-shape, and welded by full penetration welding, and the groove form adopts the back plate welding groove form, and the groove faces outward;

8): The side sealing plates 45 on both sides of the L-shaped closing 44 are welded by full penetration welding, and the groove form adopts the backing plate welding groove form, the groove faces outward, and the side sealing plate 45 is on the The R hole is not opened, so that it forms a closed space;

9): Welding the supporting plate 5 and the supporting plate stiffener 6, that is, welding the supporting plate 5 and the supporting plate stiffening plate 6 through partial penetration welding, and the supporting plate 5 is in flush contact with the adjacent corbel during welding The supporting plate at the center is grooved on one side, and the groove faces the flush side.

The specific method of installing and welding the round pipe column sealing plate and other accessories in step 12) described in this embodiment is as follows: the round pipe column sealing plate and the frame are connected by partial penetration, and the groove of the connection The method of 40° on one side and 2mm root is adopted at the joint, and the round pipe column ear plate and the frame are welded through the welding method of the full penetration weld, and the groove is treated with the root cleaning groove method .

The above description is only a preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements can also be made, and these improvements should also be regarded as the present invention. protection scope of the invention.

Claims

A manufacturing process for internal multi-channel stiffening circular tubes to transfer mesh structure support nodes, characterized in that: the specific manufacturing process is as follows:

1): Decompose the support nodes according to the drawings, and divide the circular pipe column (1) into three sections for fabrication;

2): Assemble and weld the first round pipe column (11);

3): Assembling and welding the first corbel (2), that is, the first corbel (2) is welded and formed by full penetration welding first, and the welded groove adopts the form of root welding, and then a group of completed welding The first corbel (2) is relatively arranged on both sides of the first cylindrical pipe column (11), and the joint is welded by full penetration welding, and the welded groove adopts the form of root cleaning groove, and then the The stiffener (24) and the first corbel (2) are welded by partial penetration, and the groove of the weld is welded with a single side of 40° and a root of 3mm;

4): Assembling and welding the second corbel (3), that is, the steel is first closed into an H shape by full penetration welding, and then the closed corbel and the first round pipe are combined into an H shape by full penetration welding The column (11) is welded, and then the corbel web (32) is sequentially installed into the H-shaped corbel, the weld at the joint is a full penetration weld, and the groove is in the form of a backing plate welding groove;

5) Install and weld the inner partition (33), that is, weld the inner partition (33) on three sides, ground the joint between the other side and the lower flange of the second corbel, and weld the other three sides by partial penetration welding Fixed, the groove is welded with a single side of 35° and a root of 3mm;

6): Install and weld the second corbel (3) and then the sealing plate (34), and weld the sealing plate (3) and the second corbel (3) through partial penetration welding, and the groove is single-sided 40°, welding with a root of 3mm, and the R hole of the sealing plate (34) is not opened, forming a closed space;

7): Assembling and welding the third corbel (4), that is, U-shaped closing (41), corbel cover (42), T row (43), L-shaped closing (44) and a group of side sealing plates ( 45) performing welding;

8): Install and weld the second round pipe column (12), install and weld the vertical inner stiffener (412) inside the second round pipe column (12), weld the joint by equal strength welding, and use T type weld bevel form, and then connect it with the first round pipe string;

9): Install and weld the third round pipe column (13), install and weld the vertical inner stiffener (412) inside the third round pipe column (13), weld the joint by equal strength welding, and use T at the groove type weld groove form;

10): The first round pipe string (11), the second round pipe string (12) and the third round pipe string (13) are closed, and the connection part is welded by full penetration welding, and the groove is made of The welding groove of the backing plate is in the form of grooves facing outward, and the vertical inner base plates (412) in the first circular pipe column (11), the second circular pipe column (12) and the third circular pipe column (13) are connected to each other The space is welded by full penetration welding, and the groove is in the form of backing plate welding groove;

11): Assembling and welding the cross reinforcement (18), first splicing the cross reinforcement (18) by itself through equal strength welding, and then welding the cross reinforcement (18) and the third round pipe column ( 13) the vertical inner stiffener (412) in the weld is welded, the groove form adopts T-shaped weld groove, and the groove is opened on the cross reinforcement (18);

12): Install welding round pipe column sealing plate and other accessories.
According to claim 1, a manufacturing process of internal multi-channel stiffened circular tube transfer mesh structure support node, it is characterized in that: in step 2, the welding method of the first circular tube column (11) is as follows:

1): first install and weld the third horizontal inner partition (14) in the first round pipe column (11), and carry out full penetration welding on the connection, and then weld the groove by backing plate welding;

2): Then weld the vertical stiffener (15), and weld it with the first round pipe column (11) and the third transverse inner partition (14) through equal strength welding. The groove is in the form of a T-shaped groove, and then the longitudinal stiffener (16) is welded;

3): The longitudinal stiffener (16) is welded to the third horizontal inner partition (14) and the pipe wall of the first round pipe column (11) through equal strength welding, and the groove at the joint is single-sided 35 ° Welding, leaving a root of 3mm, and the groove faces the side with a large space during processing;

4): Then remove the second horizontal partition (14) and the first horizontal partition (14) in sequence, and grind the connection between the longitudinal stiffener (16) and the second horizontal partition (14), And top tight.
According to claim 1, a manufacturing process of internal multi-channel stiffening circular tube transfer mesh structure support node is characterized in that: the specific welding method of the third corbel (4) in step 7 is as follows:

1): First weld the steel plate to a U-shaped joint by means of full penetration welding, and then weld the U-shaped joint to the first round pipe column (11) by means of full penetration welding, where the grooves are in the form of pads Plate welding groove form;

2): Assemble and weld the inner stiffener assembly, first weld the triangular inner stiffener (411) to the U-shaped small closure, the bevel at the joint is upward, and the bevel is single-sided 40°, leaving a root of 3mm to weld;

3): Assembling and welding the corbel cover (42) and the side sealing plate (45) on the U-shaped small closure, that is, respectively welding the corbel cover (42) and side sealing plate (45) with The first round pipe column (11) is connected with the U-shaped small joint, and the groove is welded in the form of backing plate welding groove, and the R hole on the side sealing plate (45) is not opened, so that it forms a closed space;

4): Install and weld the T row (43), that is, close the T row itself and perform full penetration welding. on the pipe string (11), and perform full penetration welding on the connection, the groove form of the connection adopts the backing plate welding groove form, and the groove faces outward;

5): The H-shaped corbel stiffener (433) and the H-shaped corbel web (434) of the T row (43) are installed and welded, that is, the H-shaped corbel stiffener (433) is installed on the T row, and the whole Penetration welding, the groove adopts the form of backing plate welding groove, and the groove faces outward, and then welds the H-shaped corbel web (434) and T row (43) through full penetration welding, and the form of the gap is clear The root welding groove form, and because the angle between the T row and the U-shaped small closing is too small, the workshop needs to be sealed with a sealing plate to form a closed space, and the weld between the sealing plate and the construction is not a single-sided fillet weld , the welding leg is 5mm;

6): Assembling and welding L-shaped closing (44), that is, first closing the L-shaped closing (44) by itself, and welding through full penetration welding. The L-shaped closing (44) is connected with the first round pipe column (11), and the joint is welded by full penetration welding. The welding groove of a circular pipe column (11) faces inward;

7): The corbel web on the outer side of the L-shaped closure (44) is welded by full penetration welding, and the groove form adopts the welding groove form of the backing plate, and the groove faces outward;

8): Weld the side sealing plates (45) on both sides of the L-shaped closing (44) through full penetration welding, and the groove form adopts the welding groove form of the backing plate, the groove faces outward, and the side The R hole on the sealing plate (45) is not opened, allowing it to form a closed space;

9): Assemble and weld the supporting plate (5) and the supporting plate stiffener (6), that is, weld the supporting plate (5) and the supporting plate stiffening plate (6) through partial penetration welding. When welding, the supporting plate (5) ) is in contact with the adjacent corbel flush with one side of the supporting plate, and the groove faces the flush side.
An internal multi-channel stiffened circular pipe transfer structure support node, characterized in that it includes: a circular pipe column (1), a set of first corbels (2), second corbels (3) and third corbels Legs (4), wherein, the first corbel (2), the second corbel (3) and the third corbel (4) are all arranged on the round column (1), and the two first corbels (2 ) are relatively arranged on both sides of the cylindrical column (1), the second corbel (3) and the third corbel (4) are relatively arranged on both sides of the circular tubular column (1), and the second corbel The legs (3) and the third corbel (4) are arranged at intervals from the first corbel (2).
According to claim 4, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: the round pipe string (1) includes a first round pipe string (11), a second round pipe string (12 ) and the third cylindrical column (13), the second cylindrical column (12) is located between the first cylindrical column (11) and the third cylindrical column (13), the first corbel ( 2), the second corbel (3) and the third corbel (4) are all arranged on the first cylindrical column (11).
According to claim 5, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: a set of transverse inner partitions (14) are arranged in the first round pipe column (11), and the transverse A group of vertical stiffeners (15) are arranged between the inner partitions (14), and longitudinal stiffeners (16) are provided at the connection between the vertical stiffeners (15) and the transverse inner partitions (14);

A group of second vertical stiffeners (17) are arranged in the second cylindrical column (12) and the third cylindrical column (13), and a set of second vertical stiffeners (17) is arranged in the lower port of the third cylindrical column (13). Cross plus strong (18).
According to claim 4, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: the first corbel (2) is an H-shaped corbel, which includes a top plate (21), a bottom plate (22 ) and a vertical connecting plate (23), the top plate (21) and the bottom plate (22) are relatively arranged up and down, and the vertical connecting plate (23) is vertically arranged between the top plate (21) and the bottom plate (22), and the The outer side of the vertical connecting plate (23) is provided with a stiffening plate (24), and the side of the top plate (21) and the bottom plate (22) close to the round pipe column (1) is arc-shaped, and it is in the same shape as the round pipe column. (1) Cooperate;

The second corbel (3) is a mesh-shaped corbel, which includes a corbel frame (31), a set of corbel webs (32), a set of inner partitions (33) and a sealing plate (34), The corbel web (32) is vertically arranged in the corbel frame (31), the said) is arranged in the corbel frame (31) and connected with the corbel web (32), and the sealing plate (34 ) is located at the end of the corbel frame (31) away from the cylindrical column (1);

The third corbel (4) adopts a box-shaped corbel, which includes a U-shaped closure (41), a corbel cover (42), a T row (43), an L-shaped closure (44) and a group of side sealing plates (45), one side of the U-shaped closing (41) is connected with the round pipe column (1), and the corbel cover (42) is arranged on the top of the U-shaped closing (41), and one side thereof is connected with the round pipe column (1). The pipe column (1) is connected, the T row (43) is arranged under the corbel cover (42), its upper part is connected with the corbel cover (42), and the side wall of one side is U-shaped closed (41) Connection, the inner side is connected with the round pipe column (1), the L-shaped closing (44) is arranged on the side of the T row (43) away from the U-shaped closing (41), and it is connected with the round pipe column (1) and the corbel cover (42) is connected, and the outside of described U-shaped closing (41) and L-shaped closing (44) is all provided with side sealing plate (45).
According to claim 7, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: the inside of the U-shaped closure (41) is provided with an inner stiffener assembly, and the inner stiffener assembly includes a triangular Inner stiffener (411) and vertical inner stiffener (412), described triangular inner stiffener (411) is arranged horizontally in the U-shaped closing (41), and described vertical inner stiffener (412) is arranged in the triangular inner stiffener (412) The top of the stiffener (411), and its two sides are respectively connected with the inner wall of the U-shaped closing (41) and the round pipe column (1); the corbel cover (42) is in the shape of a mountain.
According to claim 4, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: a supporting plate (5) is provided between the third corbel (4) and the first corbel (2) ), the underside of the supporting plate (5) is arranged on the supporting plate stiffener (6).
According to claim 7, the internal multi-channel stiffened round pipe transfer mesh structure support node is characterized in that: the T row (43) includes a T row of bottom plates (431) and a T row of vertical partitions (432), The T row of vertical partitions (432) is located above the T row of bottom plates, and H-shaped corbels (433) are arranged on both sides of the T row of vertical partitions (432). An H-shaped corbel web (434) is provided on the outside of the plate (432).