WO2022142764A1

WO2022142764A1 - Cross-shaped box-type to round tube internal cross-shaped supporting joint, and manufacturing method therefor

Info

Publication number: WO2022142764A1
Application number: PCT/CN2021/130242
Authority: WO
Inventors: 张翔宇; 苏芳洲; 胡海国; 桂斌; 范荣如; 张伟; 陈东
Original assignee: 江苏沪宁钢机股份有限公司
Priority date: 2020-12-29
Filing date: 2021-11-12
Publication date: 2022-07-07
Also published as: CN112756828A; CN112756828B

Abstract

A method for manufacturing a cross-shaped box-type to round tube internal cross-shaped supporting joint, comprising: firstly, separately closing an upper segment joint and a lower segment joint (3); processing a cross-shaped box-type to round tube joint (2), and welding two surrounding plates (22) at an upper opening; welding a first partition plate (23); welding a middle panel (24); welding inter-surrounding plate square pitch circles (25); providing stiffening plates (26) on the outer sides of the inter-surrounding plate square pitch circles (25) and on a cross-shaped web plate (21); processing a round tube internal cross-shaped supporting joint (1); assembling and welding the round tube internal cross-shaped supporting joint (1) and the cross-shaped box-type to round tube joint (2); and then welding internal partition plates (13) in a round tube (11), then connecting the upper segment joint and the lower segment joint (3), and welding remaining accessories.

Description

A cross support node in a cross box-shaped turning circular tube and a manufacturing method thereof

technical field

The invention belongs to the technical field of steel structure construction, and in particular relates to a cross support node in a cross box-shaped turning round pipe.

Background technique

With the rapid development of social economy, all walks of life are constantly developing, and so is the construction industry. Steel structure buildings are favored by major venues and centers because of their short construction period, no climate constraints, and their ability to meet the architectural needs of various special structures.

The support node is a necessary support component in the steel structure building. However, many of the existing support nodes are hollow support columns, and their support and bearing capacity are small, and the stability of their structure needs to be improved;

And even though the structure of some supporting parts is more complicated, the manufacturing method is more complicated, and most of them are processed directly on each part in sequence, which requires a lot of time and manpower, which affects the normal construction progress. Therefore, the existing manufacturing method of the support node still needs to be improved.

SUMMARY OF THE INVENTION

Purpose of the invention: In order to overcome the above deficiencies, the purpose of the present invention is to provide a cross support node in a cross box-shaped rotating circular tube and a manufacturing process thereof, which has a simple structure, a reasonable design, and is easy to produce. The shape-turning circular tube nodes are combined into the upper node and connected with the lower node to form a new support node. The structure of the support node is optimized, which greatly improves the stability of the connection of the entire node, and also improves the its carrying capacity.

Technical scheme: In order to achieve the above-mentioned purpose, the present invention provides a method for manufacturing a cross-support node in a cross-box-shaped rotating tube. The specific manufacturing method is as follows: 1): First, the upper node It closes itself with the next node;

2): To process the cross-shaped box-to-round pipe joint, firstly install and weld the two upper ring plates, that is, the upper ring plate and the lower ring plate are set at the designated positions of the cross web, and are welded by root cleaning. Weld the joints;

3): Install and weld the first baffle, set the first baffle on the cross web, and place it under the lower ring plate, and weld it by backing plate welding with the groove facing outward;

4): Install and weld the middle panel, that is, set the middle panel on the lower part of the cross web, insert the cross web into the opening groove of the middle panel, and weld the connection between the two by backing welding, and welding During the process, the groove faces outward;

5): Install and weld the square pitch circle between the ring plates, that is, install the square pitch circle between the ring plates between the two adjacent first and second webs of the cross web, and place the upper and lower ring plates at the same time. Between the joints, the joints are welded by backing welding, and the groove faces outwards during the welding process;

6): Then set stiffening plates on the outside of the square pitch circle between the ring plates and on the cross web, and weld the joints by PP welding or fillet welding, so far the processing of the cross box-to-round pipe joint is completed;

7): Then process the cross support nodes in the round tube, that is, set the upper and lower lengths of the cross support frame in the round tube, clamp the support plate on the upper end face of the round tube, and use backing plate welding to weld and fix the joint, and bevel facing outwards;

8): Assemble and fix the cross support node in the round tube and the cross box-turned round tube node, that is, insert the upper part of the cross web into the opening at the lower part of the round tube, and assemble the cross support node and the cross box in the round tube. Weld the joints of the round pipe joints, with the groove facing outwards during the welding process;

9): Then weld the inner clapboard in the round tube, and also use backing plate welding;

10): Then connect the upper and lower nodes, and install and weld the rest of the accessories. The manufacturing method of the cross support node in the cross box-shaped turning circular tube described in the present invention optimizes the structure of the support node. The two can be processed synchronously, shortening the processing time, optimizing the processing procedures and processing methods, greatly improving the processing quality of the support node, and making it better meet the needs of construction.

The production methods of the lower node and other accessories described in the present invention are as follows:

1): Set the second partition on the cross inner support column, and weld and fix the connection through the backing plate welding, and the groove faces outward;

2): Set the rib plate on the support node, and weld and fix it by root-cleaning welding;

3): Install welding steel bars on the cross box-to-round pipe joints, and weld them by double-sided fillet welding, and the welding leg range is 0.65-0.75t;

4): Finally, the welding lugs are installed on the top of the round tube and the bottom of the outer wall plate, and welded and fixed by root-cleaning welding.

In the cross support node in a cross box-shaped turning circular tube described in the present invention, the supporting node includes an upper node and a lower node, wherein the upper node includes a cross supporting node in the tube and a cross box turning circular tube node, so The inner cross support node in the round tube is arranged above the cross box-shaped turning round tube node, and the cross box turning round tube node is arranged above the lower node.

In the present invention, the inner cross support node in the circular tube includes a circular tube, a cross support frame and a set of inner partitions, the cross support is erected in the circular tube, and the inner partition is arranged between the cross support frame and the circular tube, and It is placed at the upper and lower ports of the round tube; the inner partition is in the shape of a circular arc, which is matched with the cross support frame and the round tube; The plate is arranged on the outer side of the upper and lower through-length stiffening upper parts, and is clamped on the top of the round pipe.

In the present invention, the cross-shaped box-turned-round pipe joint comprises a cross web, a set of ring plates, a first partition plate and a middle panel, the ring plate is arranged on the cross web, and the partition plate is arranged on the cross web The middle panel is arranged on the lower part of the cross web, and the two are matched with each other;

The lower part of the circular tube is provided with a group of openings, and the cross web is provided at the lower part of the circular tube and is matched with the openings.

In the present invention, the lower node includes a cross inner support column, a set of second partition plates and a set of outer wall plates, the second partition plates are arranged at the upper and lower ends of the cross inner support column, and the outer wall plates are arranged inside the cross outside of the strut.

In the present invention, the cross web includes a first web and a second web, the first web and the second web are crossed, and a first support plate is provided in the middle of both sides of the first web , the lower part of the two sides of the second web is provided with a second supporting plate.

In the present invention, the ring plate includes an upper ring plate and a lower ring plate, the upper ring plate is arranged above the first supporting plate and the second supporting plate, and the lower ring plate is arranged below the first supporting plate, and Match with the second pallet;

The upper ring plate includes an annular plate, a group of convex plates is arranged on the outer side of the annular plate, and a group of openings are arranged on the inner side of the annular plate, and the first web plate and the second web plate of the cross web are inserted into the cross web respectively. in the corresponding opening;

The lower ring plate includes an octagonal ring plate, a group of convex plates is arranged on the outer side of the octagonal ring plate, and a group of openings are arranged on the inner side of the octagonal ring plate. The web and the second web are respectively inserted into the corresponding openings.

In the present invention, the first separator and the second separator are both inner-circle-outer separators with openings around them, and the first and second webs in the cross web are respectively inserted into the first and second webs. In the opening corresponding to the partition plate, the plate member of the cross inner support column is correspondingly inserted into the opening of the second partition plate;

The middle panel is in the shape of a tetrahedron, and four sides thereof are provided with open grooves, and the first web and the second web in the cross web are respectively inserted into the corresponding open grooves;

Four corners of the middle panel are provided with arc-shaped notches.

In the present invention, the cross box-shaped round-turning pipe joint further includes square pitch circles between the ring plates, and the square pitch circles between the ring plates are arranged between the upper ring plate and the lower ring plate, and are arranged on the adjacent first webs at the gap between the plate and the second web;

A stiffening plate is provided on the outer side of the square pitch circle between the ring plates.

As can be seen from the above technical scheme, the present invention has the following beneficial effects:

1. The manufacturing method of a cross support node in a cross box-shaped turning circular tube described in the present invention optimizes the structure of the support node, and assembles the upper node and the lower node by self-closing respectively. Welding enables the two to be processed synchronously, shortens the processing time, and optimizes the processing procedure and processing method, which greatly improves the processing quality of the support node and makes it better meet the needs of construction.

2. A cross support node in a cross box-shaped turning circular tube described in the present invention is composed of a cross supporting node in a circular tube and a cross box turning circular tube node to form an upper node, and it is connected with the lower node, so that it is A new support node is formed, and the structure of the support node is optimized, which greatly improves the stability of the connection of the entire node, and also improves its bearing capacity, effectively improving the stability and support performance of its structure. the safety of its use.

3. In the present invention, the cross support node in the circular tube includes a circular tube, a cross support frame and a set of inner partitions, the cross support is erected in the circular tube, and the inner partition is arranged between the cross support frame and the circular tube , and placed at the upper and lower ports of the round tube; the structure of the round tube is optimized, by setting a cross support frame in the round tube, and setting up an inner partition between the cross support frame and the round tube, which greatly improves the The support and bearing capacity of the round tube are improved, thereby further improving the safety performance of use.

4. In the present invention, the upper part of the cross support frame is provided with a support plate and an upper and lower through-length stiffener, and the support plate is arranged on the outer side of the upper and lower through-length stiffened upper parts, and is clamped on the top of the round pipe. The setting of the support plate and the upper and lower through-length stiffeners optimizes the structure of the upper cross support frame. The support plate is clamped on the top of the round tube to prevent the upper and lower through-length stiffeners from falling off, and at the same time, it plays a good role in rotation. connection, thereby improving the stability of its installation.

5. In the present invention, the cross-shaped box-to-round pipe joint combines the cross web, the ring plate and the middle panel to form a structurally stable support node, which greatly improves the stability and bearing capacity of the modified joint structure, thereby further The stability and safety of the use of the structure are improved, and it is also convenient for the building to meet the installation needs of special shapes.

6. In the present invention, the cross web includes a first web and a second web, the first web and the second web are crossed, and the middle of both sides of the first web is provided with a first web. A supporting plate, the lower part of both sides of the second web is provided with a second supporting plate. The cross web adopts a unique structural design, which facilitates the installation of the ring plate, the partition plate and other components, and provides convenience for construction.

7. In the present invention, both the upper ring plate and the lower ring plate are provided with openings, and the cross web is installed with the upper ring plate and the lower ring plate in a plug-in type, so as to further improve the stability of the overall connection.

8. The arrangement of the middle panel in the present invention further improves the stability of the connection between the cross web and the ring plate, further optimizes the structure of the entire support node, and increases its bearing capacity and support.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a schematic diagram of the installation of the cross support node in the circular tube and the cross box-type turning circular tube node in the present invention;

Fig. 3 is the structure diagram of the cross support node in the circular tube in the invention;

FIG. 4 is a structural diagram of a cross-box-turned-round pipe node in the present invention;

Fig. 5 is the installation structure diagram of the middle panel and the cross web in the present invention;

6 is a structural diagram of a middle panel in the present invention;

Fig. 7 is the installation structure diagram of the partition plate and the cross web in the present invention;

Fig. 8 is the installation structure diagram of the ring plate and the cross web in the present invention;

9 is a structural diagram of a cross web in the present invention;

FIG. 10 is a structural diagram of the cross inner support column and the outer wall plate in the present invention.

Detailed ways

The present invention will be further illustrated below in conjunction with the accompanying drawings and specific embodiments.

Example

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise", etc. The orientation or positional relationship shown in the figures is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a reference to the present invention. Invention limitations.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more, unless otherwise expressly defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The manufacturing method of a cross support node in a cross box-shaped turning circular tube described in this embodiment is as follows: 1): firstly, the upper node and the lower node 3 are respectively closed by themselves;

2): To process the cross-box-turned-round pipe joint 2, firstly install and weld the two upper ring plates 22, that is, the upper ring plate 221 and the lower ring plate 222 are set at the designated positions of the cross web 21, And weld the joints by root-cleaning welding;

3): Install and weld the first partition plate 23, set the first partition plate 23 on the cross web 21, and place it under the lower ring plate 222, and weld it by backing plate welding, and the groove faces outwards ;

4): Install and weld the middle panel 24, that is, set the middle panel 24 on the lower part of the cross web 21, insert the cross web 21 into the opening slot 241 of the middle panel 24, and connect the two by welding the backing plate Welding is carried out at the place, and the groove faces outward during the welding process;

5): Install and weld the square pitch circle 25 between the ring plates, that is, install the square pitch circle 25 between the ring plates between the two adjacent first web plates 211 and the second web plate 212 of the cross web 21, and place it on the upper ring at the same time. Between the plate 221 and the lower ring plate 222, the joint is welded by the backing plate, and the groove faces outward during the welding process;

6): Then set the stiffening plate 26 on the outer side of the square pitch circle 25 between the ring plates and on the cross web 21, and weld the joint by PP welding or fillet welding, so far the processing of the cross box-to-round pipe node 2 is completed;

7): Then process the cross support node 1 in the circular tube, that is, set the up and down lengths 1212 of the cross support frame 12 in the circular tube 11, clamp the support plate 1211 on the upper end face of the circular tube 11, and use a pad for the connection. The plate is welded and fixed, and the groove faces outwards;

8): Assemble and fix the cross support node 1 in the round tube and the cross box-turning round tube node 2, that is, insert the upper part of the cross web 21 into the opening 111 in the lower part of the round tube 11, and align the cross in the round tube. Weld the junction between the support node 1 and the cross box-to-round pipe node 2 with the groove facing outwards during the welding process;

9): Then weld the inner baffle 13 in the round tube 11, and also use backing plate welding;

10): Then connect the upper node and the lower node 3, and install and weld the rest of the accessories.

The production methods of the lower node 3 and other accessories described in this embodiment are as follows:

1): The second partition 32 is arranged on the cross inner support column 31, and the joint is welded and fixed by the backing plate welding, and the groove faces outward;

2): Set the rib plate 4 on the support node, and weld and fix it by root-cleaning welding;

3): Install the welded steel bar 5 on the cross box-to-round pipe node 2, and weld it by double-sided fillet welding, and the welding leg range is 0.65-0.75t;

4): Finally, install the welding lug plate 6 on the top of the round tube 11 and the bottom of the outer wall plate 33, and weld and fix it by root cleaning.

Example 2

As shown in the figure, a cross support node in a cross box-shaped turning circular tube is characterized in that: the support node includes an upper node and a lower node 3, wherein the upper node includes a cross supporting node 1 in the tube and a cross box turning The round tube node 2, the cross support node 1 in the round tube is arranged above the cross box-shaped round tube node 2, and the cross box-shaped round tube node 2 is arranged above the lower node 3.

In this embodiment, the inner cross support node 1 in the round tube includes a round tube 11, a cross support frame 12 and a set of inner partitions 13. The cross support frame 12 is arranged in the round tube 11, and the inner partition plate 13 is arranged in the Between the cross support frame 12 and the round tube 11, and at the upper and lower ports of the round tube 11;

The inner partition 13 is in the shape of a circular arc, which is matched with the cross support frame 12 and the round tube 11; the cross support frame 12 is provided with a support plate 1211 and an upper and lower through-length stiffener 1212, and the support plate 1211 is provided on the The outer side of the upper part of the upper part of the stiffener 1212 is lengthened up and down, and it is stuck on the top of the round pipe 11 .

In this embodiment, the cross-shaped box-turned-round pipe joint 2 includes a cross web 21 , a set of ring plates 22 , a first partition 23 and a middle panel 24 . The ring plate 22 is arranged on the cross web 21 , so The partition plate 23 is arranged on the cross web 21, and is placed below the ring plate 22, and the middle panel 24 is arranged at the lower part of the cross web 21, and the two cooperate with each other;

A set of openings 111 are provided at the lower portion of the circular tube 11 , and the cross web 21 is provided at the lower portion of the circular tube 11 and is matched with the openings 111 .

In this embodiment, the lower node 3 includes a cross inner support column 31, a set of second partitions 32 and a set of outer wall plates 33. The second partition plates 32 are arranged at the upper and lower ends of the cross inner support column 31, so The outer wall plate 33 is arranged on the outer side of the inner cross brace 31 .

In this embodiment, the cross web 21 includes a first web 211 and a second web 212 . The first web 211 and the second web 212 are crossed, and two sides of the first web 211 The middle part is provided with a first support plate 213 , and the lower parts of both sides of the second web 212 are provided with second support plates 214 .

In this embodiment, the ring plate 22 includes an upper ring plate 221 and a lower ring plate 222. The upper ring plate 221 is provided above the first supporting plate 213 and the second supporting plate 214, and the lower ring plate 222 is provided on the top of the first supporting plate 213 and the second supporting plate 214. below the first support plate 213 and matched with the second support plate 214;

The upper ring plate 221 includes an annular plate 2211 , a set of convex plates 2212 are arranged on the outer side of the annular plate 2211 , and a set of openings are arranged on the inner side of the annular plate 2211 . The first web 211 in the cross web 21 and the second web 212 are respectively inserted into the corresponding openings;

The lower ring plate 222 includes an octagonal ring plate 2221, a set of convex plates 2212 are provided on the outer side of the octagonal ring plate 2221, and a set of openings are provided on the inner side of the octagonal ring plate 2221. The first web 211 and the second web 212 in the plate 21 are inserted into the corresponding openings, respectively.

In this embodiment, the first separator 23 and the second separator 32 are both inner-circle-outer separators with openings around them. The first web 211 and the second web in the cross web 21 212 are respectively inserted into the corresponding openings of the first partition plate 23, and the plates of the cross inner support column 31 are correspondingly inserted into the openings of the second partition plate 32;

The middle panel 24 is in the shape of a tetrahedron, and four sides thereof are provided with open grooves 241, and the first web 211 and the second web 212 in the cross web 21 are respectively inserted into the corresponding open grooves 241;

The four corners of the middle panel 24 are provided with arc-shaped notches 242 .

In the present embodiment, the cross-box-shaped turning pipe joint 2 further includes a square pitch circle 25 between the ring plates, and the square pitch circle 25 between the ring plates is arranged between the upper ring plate 221 and the lower ring plate 222, and is arranged on the at the gap between the adjacent first webs 211 and the second webs 212;

A stiffening plate 26 is provided on the outer side of the square pitch circle 25 between the ring plates.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the present invention. the scope of protection of the invention.

Claims

A method for manufacturing a cross support node in a cross-box-shaped turning circular tube, characterized in that: the specific manufacturing method is as follows: 1): firstly, the upper node and the lower node (3) are respectively closed by themselves;

2): To process the cross-shaped box-to-round pipe joint (2), first install and weld the two upper ring plates (22), that is, the upper ring plate (221) and the lower ring plate (222) are located in the The designated position of the cross web (21), and the joints are welded by root cleaning;

3): Install and weld the first partition plate (23), set the first partition plate (23) on the cross web (21), and place it under the lower ring plate (222), and weld it through the backing plate. Weld with the groove facing outwards;

4): Install and weld the middle panel (24), that is, set the middle panel (24) on the lower part of the cross web (21), and insert the cross web (21) into the opening groove (24) of the middle panel (24). 241), the joint between the two is welded by backing plate welding, and the groove faces outward during the welding process;

5): Install and weld the square pitch circle (25) between the ring plates, that is, install the square pitch circle (25) between the ring plates on the two first webs (211) and the second webs (211) adjacent to the cross web (21). 212), placed between the upper ring plate (221) and the lower ring plate (222) at the same time, the joints are welded by backing plate welding, and the groove faces outward during the welding process;

6): Then, set the stiffening plate (26) on the outside of the square pitch circle (25) between the ring plates and on the cross web (21), and weld the joints by PP welding or fillet welding. The processing of the pipe joint (2) is completed;

7): Then, process the cross support node (1) in the circular tube, that is, set the upper and lower lengths (1212) of the cross support frame (12) in the circular tube (11), and clamp the support plate (1211) in the circular tube (11) The upper end face of the joint is welded and fixed by backing welding, and the groove is facing outward;

8): Assemble the inner cross support node (1) and the cross box-turned round tube node (2) that have been made and fix them by welding, that is, insert the upper part of the cross web (21) into the lower part of the round tube (11). In the opening (111), welding is performed on the connection between the cross support node (1) in the circular tube and the cross box-turned circular tube node (2), and the groove faces outward during the welding process;

9): Then weld the inner partition plate (13) in the round tube (11), and also use backing plate welding;

10): Then connect the upper node and the lower node (3), and install and weld the rest of the accessories.
The manufacturing method of the cross support node in the cross box-shaped turning circular tube according to claim 1, characterized in that: the manufacturing method of the lower node (3) and other accessories is as follows:

1): Set the second partition (32) on the cross inner support column (31), and weld and fix the joint through the backing plate welding, and the groove faces outward;

2): Set the rib plate (4) on the support node, and weld and fix it by root-cleaning welding;

3): Install the welded steel bar (5) on the cross box-to-round pipe joint (2), and weld it by double-sided fillet welding, and the welding leg range is 0.65-0.75t;

4): Finally, a welding lug plate (6) is installed on the top of the round tube (11) and the bottom of the outer wall plate (33), and welded and fixed by root cleaning.
A cross support node in a cross box-shaped turning round tube made by the method for making a cross support node in a cross box-shaped turning circular tube according to claims 1 to 2, characterized in that: the support node comprises an upper section node and a lower section node ( 3), wherein, the upper node includes a cross support node (1) in a circular tube and a cross box-shaped turning circular tube node (2), and the inner cross supporting node (1) in the circular tube is provided at the cross box-shaped turning circular tube node (1). 2) above, the cross box-shaped turning tube node (2) is arranged above the lower node (3).
The cross support node in the cross box-shaped turning circular tube according to claim 1, characterized in that: the cross support node (1) in the circular tube comprises a circular tube (11), a cross support frame (12) and a set of inner baffles (13), the cross support frame (12) is arranged in the circular tube (11), and the inner partition plate (13) is arranged between the cross support frame (12) and the circular tube (11), and is placed in the circular tube (11). at the upper and lower ports of the pipe (11);

The inner partition (13) is in the shape of a circular arc, which is matched with the cross support frame (12) and the circular tube (11); the cross support frame (12) is provided with a support plate (1211) and a vertical length of the cross support frame (12). Stiffening (1212), the support plate (1211) is arranged on the outer side of the upper part of the upper and lower through-length stiffening (1212), and is clamped above the circular tube (11).
The cross support node in the cross box-shaped round pipe according to claim 1, characterized in that: the cross box-shaped round pipe joint (2) comprises a cross web (21), a set of ring plates (22), a third A partition (23) and a middle panel (24), the ring plate (22) is arranged on the cross web (21), the partition (23) is arranged on the cross web (21), and is placed on the cross web (21) Below the ring plate (22), the middle panel (24) is arranged on the lower part of the cross web (21), and the two cooperate with each other;

A group of openings (111) are arranged at the lower part of the circular tube (11), and the cross webs (21) are arranged at the lower part of the circular tube (11) and are matched with the openings (111).
The cross support node in the cross box-shaped turning circular tube according to claim 1, wherein the lower node (3) comprises a cross inner support column (31), a set of second partitions (32) and a set of outer walls A plate (33), the second partition plate (32) is arranged on the upper and lower ends of the cross inner support column (31), and the outer wall plate (33) is arranged on the outer side of the cross inner support column (31).
The cross support node in a cross box-shaped turning circular pipe according to claim 5, wherein the cross web (21) comprises a first web (211) and a second web (212), the first web (212) The web (211) and the second web (212) are arranged crosswise, and first support plates (213) are provided in the middle of both sides of the first web (211). The lower parts of both sides are provided with second support plates (214).
The cross support node in the cross box-shaped turning round pipe according to claim 7, wherein the ring plate (22) comprises an upper ring plate (221) and a lower ring plate (222), and the upper ring plate (221) ) is arranged above the first supporting plate (213) and the second supporting plate (214), the lower ring plate (222) is arranged below the first supporting plate (213), and is connected with the second supporting plate (214) cooperate;

The upper ring plate (221) includes an annular plate (2211), a group of convex plates (2212) are arranged on the outer side of the annular plate (2211), and a group of openings are arranged on the inner side of the annular plate (2211). The first web (211) and the second web (212) of the webs (21) are respectively inserted into the corresponding openings;

The lower ring plate (222) includes an octagonal ring plate (2221), a set of convex plates (2212) are arranged on the outer side of the octagonal ring plate (2221), and the octagonal ring plate (2221) A group of openings are provided on the inner side, and the first web (211) and the second web (212) in the cross web (21) are respectively inserted into the corresponding openings.
The inner cross support node of the cross-box-type turning round pipe according to claim 4, characterized in that: the first partition plate (23) and the second partition plate (32) are both inner-circle-outer type partition plates, and are provided with There are openings, and the first web (211) and the second web (212) in the cross web (21) are respectively inserted into the corresponding openings of the first partition (23). The plate member of 31) is correspondingly inserted into the opening of the second partition plate (32);

The middle panel (24) is in the shape of a quadrangle, and four sides thereof are provided with open slots (241). are respectively inserted into the corresponding opening slots (241);

The four corners of the middle panel (24) are provided with arc-shaped notches (242).
The cross support node in the cross box-shaped round pipe according to claim 4, characterized in that: the cross box-shaped round pipe joint (2) further comprises a square pitch circle (25) between the ring plates. The square pitch circle (25) is arranged between the upper ring plate (221) and the lower ring plate (222), and is arranged at the gap between the adjacent first web plates (211) and the second web plates (212) ;

A stiffening plate (26) is provided on the outer side of the square pitch circle (25) between the ring plates.