Manufacturing method of super-long latticed column

Abstract

The invention provides a manufacturing method of a super-long latticed column and belongs to the technical field of building steel structures, the super-long latticed column is provided with a lower limb part and an upper limb part, the cross section of the lower limb part is larger than that of the upper limb part, the lower limb part is provided with a supporting section and a transition section, and the cross section of the transition section is smaller than that of the supporting section. The transition sections of the upper limb part and the lower limb part are connected; comprising the following steps that firstly, an upper limb part and a lower limb part are manufactured on a jig frame, and then the upper limb part and the lower limb part are subjected to overall splicing welding. During use, the upper limb part and the lower limb part are connected through the transition section to form a structure with a narrow upper part and a wide lower part, so that the strength requirement is met, and the lightweight design is realized; and a processing mode of segmented manufacturing and integral assembling is adopted, so that the control difficulty of the size and the processing precision is reduced, and the manufacturing efficiency is improved. According to the manufacturing method of the super-long latticed column, the problem that the manufacturing efficiency is low due to the fact that the size and the machining precision of the super-long latticed column are difficult to control is solved.

Description

Technical Field

[0001] The invention relates to the technical field of building steel structures, and in particular to a method for manufacturing an ultra-long lattice column. Background Art

[0002] With the vigorous development of the steel structure industry, more and more industrial plants are choosing steel structures due to their advantages such as light weight, stable structure, strong earthquake resistance and short construction period. However, this also increases the difficulty of component manufacturing, especially the production of steel columns in the main structure of the plant, which also places extremely stringent requirements on the production period.

[0003] Chinese patent document CN102126108A discloses a manufacturing process for a new type of lattice steel column, which includes building a steel horizontal assembly platform or frame support, and performing positioning and layout. The manufactured H-shaped steel components are fixed on the bracket, and the upper and lower main bodies are assembled and welded separately.

[0004] However, in the production of lattice columns with large component spans, complex node forms, and thin steel plates, high production accuracy is required. There are still production difficulties such as size control, processing accuracy, and welding deformation, which leads to low component production efficiency and prolongs the project construction period. Summary of the invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the problem that the size and processing accuracy of ultra-long lattice columns are difficult to control, resulting in low manufacturing efficiency, thereby providing a method for manufacturing ultra-long lattice columns.

[0006] In order to solve the above technical problems, the present invention provides a method for manufacturing an ultra-long lattice column, wherein the ultra-long lattice column comprises a lower limb portion and an upper limb portion, wherein the cross section of the lower limb portion is larger than the cross section of the upper limb portion, wherein the lower limb portion comprises a supporting section and a transition section, wherein the cross section of the transition section is smaller than the cross section of the supporting section, and wherein the upper limb portion is connected to the transition section of the lower limb portion;

[0007] The method comprises the following steps: firstly, the upper limb part and the lower limb part are respectively manufactured on a tire frame, and then the upper limb part and the lower limb part are assembled and welded.

[0008] The method for making the super-long lattice column provided by the present invention has a lower limb portion with a large cross-sectional area that can meet the strength requirements for supporting the main components of the steel structure, an upper limb portion with a smaller cross-sectional area is used to support the roof, and a transition section of the lower limb portion has a cross-sectional area smaller than that of the supporting section. The upper limb portion and the lower limb portion are connected through the transition section to form a structure that is narrow at the top and wide at the bottom, thereby achieving a lightweight design while meeting the strength requirements; according to the above structural features, a processing method of segmented production and overall assembly is adopted, which can reduce the difficulty of controlling the size and processing accuracy and improve the production efficiency. The method for making the super-long lattice column provided by the present invention solves the problem in the prior art that the size and processing accuracy of the super-long lattice column are difficult to control, resulting in low production efficiency.

[0009] Optionally, the upper limb part includes: an upper limb web, a first flange plate and a second flange plate, the first flange plate and the second flange plate are arranged in parallel and spaced apart, and the upper limb web is vertically connected between the first flange plate and the second flange plate; the upper limb part and the transition section of the lower limb part are connected by butt joint. Through the above arrangement, the upper limb web is vertically connected between the first flange plate and the second flange plate to form an H-shaped steel, which has the advantages of strong bending resistance, simple construction, cost saving and light structure weight; the transition section of the upper limb part and the lower limb part is butt jointed, the stress condition is better, the stress concentration is smaller, and it can withstand a larger static load or dynamic load.

[0010] Optionally, the first flange plate, the second flange plate and the end of the upper limb web plate for connecting with the lower limb portion are non-aligned. Through the above arrangement, the transition section connection between the upper limb portion and the lower limb portion can be facilitated.

[0011] Optionally, the transition section includes: a first main body and a second main body arranged in parallel and spaced apart, the first main body being butt-connected to the first flange plate, the second main body being staggeredly connected to the second flange plate, and the second main body being staggered relative to the second flange plate toward a side away from the first flange plate. Through the above arrangement, the first main body and the second main body can be respectively connected to the first flange plate and the second flange plate arranged non-aligned, and the second main body is staggered toward a side away from the first flange plate, so that the cross section of the lower limb part is larger than the cross section of the upper limb part, forming a structure that is narrow at the top and wide at the bottom, and realizing a lightweight design while meeting strength requirements.

[0012] Optionally, the transition section includes: a first main body and a second main body arranged in parallel and spaced apart, the first main body having a first web, the second main body having a second web, the first web and the second web being arranged in parallel and spaced apart; one end of the first web close to the upper limb is butt-jointed with the first flange plate of the upper limb; a first support plate is connected between the first web and the second web at one end close to the upper limb, the first support plate is vertically connected to the first web and the second web respectively, one end of the first support plate close to the upper limb is butt-jointed with the upper limb web; a second support plate is vertically connected to the first support plate, one end of the second support plate extends toward the direction close to the upper limb, and the extended end of the second support plate is butt-jointed with the second flange plate of the upper limb. Through the above arrangement, the first web is connected to the first flange plate, the second support plate is connected to the second flange plate, the first support plate supports the upper limb web, so that the second flange plate and the second main body are staggeredly connected, and the connection between the upper limb and the lower limb is more stable.

[0013] Optionally, a third support plate is connected between the first web and the second web at one end close to the upper limb portion, the third support plate is perpendicular to the first support plate and is located at one end of the first support plate away from the upper limb portion; the second support plate has a first U-shaped notch for inserting the first support plate, and after the second support plate is inserted into the first support plate, the end of the second support plate abuts against the third support plate. Through the above arrangement, the third support plate can form an abutment support for the end of the second support plate, thereby making the connection between the first support plate and the second support plate more stable.

[0014] Optionally, one end of the first support plate close to the upper limb part is connected to a horizontal plate, and two symmetrical sides of the horizontal plate are respectively connected to steel column lifting ears. The above arrangement can facilitate lifting.

[0015] Optionally, the lower limb part includes: a first main body, a second main body and a third main body arranged in parallel and spaced apart, the upper sections of the first main body and the second main body form the transition section, and the third main body and the lower section of the second main body form the support section; the first main body and the third main body are staggeredly connected, and the first main body is staggered relative to the third main body toward a side close to the second main body. Through the above arrangement, the cross-sectional area of ​​the transition section formed by the upper sections of the first main body and the second main body can be made smaller than the cross-sectional area of ​​the support section formed by the lower sections of the third main body and the second main body, and the transition section is connected to the upper limb part with a small cross-sectional area to form a structure that is narrow at the top and wide at the bottom, thereby achieving a lightweight design while meeting the strength requirements.

[0016] Optionally, the first body has a first web, the second body has a second web, and the third body has a third web; the second web is arranged parallel to the first web and the second web respectively; a fourth support plate is connected between the second web and the third web at one end close to the first web, the fourth support plate is vertically connected to the second web and the third web respectively, and a side of the fourth support plate close to the first web is butt-connected to the first web. Through the above arrangement, the fourth support plate forms an abutment support for the first web, so that the first web can be staggeredly connected to the third web, so that the cross-sectional area of ​​the transition section is smaller than the cross-sectional area of ​​the support section, which is convenient for connection with the upper limb part.

[0017] Optionally, a fifth support plate is further connected between the second web and the third web at one end close to the first web, the fifth support plate is perpendicular to the fourth support plate and is located on a side of the fourth support plate close to the first web; the first web has a second U-shaped notch for inserting the fifth support plate, and after the first web is inserted into the fifth support plate, the end of the first web abuts against the fourth support plate. Through the above arrangement, the fifth support plate limits the first web, so that the connection between the first web, the fifth support plate and the fourth support plate can be more stable.

[0018] Optionally, the end of the fifth support plate close to the third web is connected to the sixth support plate, and the sixth support plate is parallel and butt-jointed with the third web; the end of the fifth support plate close to the first web is connected to a limiting plate, and the limiting plates have at least two spaced-apart plates, and a gap for inserting the first web is formed between the two limiting plates. Through the above arrangement, the sixth support plate is parallel and butt-jointed with the third web, so that the third web forms a supporting connection with the fifth support plate; the first web is inserted into the gap between the two limiting plates, and the two limiting plates support and limit the two sides of the first web, so that the connection between the first web and the fifth support plate is more stable, and the first web is prevented from being displaced relative to the fifth support plate.

[0019] Optionally, the end of the upper limb part away from the lower limb part is connected with a corbel, and the corbel has a groove for inserting the upper limb part; the part of the upper limb part inserted into the groove of the corbel is provided with a plurality of stiffening plates inside; the main body of the end of the lower limb part away from the upper limb part is provided with a plurality of bolts; the outer sides of the upper limb part and the lower limb part are respectively provided with a plurality of purlins. Through the above arrangement, the end of the upper limb part away from the lower limb part is inserted into the groove of the corbel, and a support structure is formed on both sides of the upper limb part, so that the upper limb part is evenly stressed; the upper limb stiffening plate can strengthen the strength of the upper limb part; when the lattice column is cast-in-place installed, the bolts can strengthen the connection strength between the main body of the end of the lower limb part away from the upper limb part and the concrete; the purlins of the upper limb part and the lower limb part are used to connect components such as steel structure beams. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of an implementation of an ultra-long lattice column provided in an embodiment of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of the middle tire frame;

[0023] Figure 3 for Figure 1 Schematic diagram of the middle and upper limbs;

[0024] Figure 4 for Figure 1 Schematic diagram of the middle and lower limbs;

[0025] Figure 5 for Figure 4 A schematic diagram of the first body, the second body and the third body;

[0026] Figure 6 for Figure 5 A magnified schematic diagram of part A;

[0027] Figure 7 for Figure 4 Schematic diagram of the connection structure between the middle transition section and the upper limb;

[0028] Figure 8 for Figure 7 A schematic diagram of a first support plate, a second support plate and a third support plate;

[0029] Fig. 9 for Figure 4 A schematic diagram of a connection structure of a first body, a second body and a third body;

[0030] Fig.10 for Fig. 9 A schematic diagram of the fourth support plate, the fifth support plate and the sixth support plate;

[0031] Fig.11 for Fig. 9 A schematic diagram of the first subject in FIG.

[0032] Fig.12 for Figure 3 Schematic diagram of the middle corbel.

[0033] Description of reference numerals:

[0034] 1. Tire frame; 2. Ground sample line; 3. Upper limb part; 31. Upper limb web; 32. First flange plate; 33. Second flange plate; 34. Corbel; 35. Upper limb stiffener; 4. Lower limb part; 41. Transition section; 42. Support section; 43. First main body; 431. First web; 4311. Second U-shaped notch; 44. Second main body; 441. Second web; 45. Third main body; 451. Third web; 411. The first support plate; 412, the second support plate; 4121, the first U-shaped notch; 413, the third support plate; 414, the horizontal plate; 415, the steel column lifting lug; 421, the fourth support plate; 422, the fifth support plate; 423, the limit plate; 424, the sixth support plate; 46, the inter-column support; 47, the pipeline corbel node; 48, the lower limb stiffening plate; 49, the crane beam corbel node; 5, the purlin support; 6, the bolts; 7, the column base plate. DETAILED DESCRIPTION

[0035] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are 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 cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0039] This embodiment provides a method for manufacturing an ultra-long lattice column that can improve manufacturing efficiency and is used for manufacturing special-shaped ultra-long lattice columns.

[0040] like Figure 1-4 As shown, a specific implementation method of a method for manufacturing an ultra-long lattice column provided in this embodiment includes: the ultra-long lattice column has a lower limb part 4 and an upper limb part 3, the cross-section of the lower limb part 4 is larger than the cross-section of the upper limb part 3, the lower limb part 4 has a support section 42 and a transition section 41, the cross-section of the transition section 41 is smaller than the cross-section of the support section 42, and the upper limb part 3 is connected to the transition section 41 of the lower limb part 4; including the following steps: firstly, the upper limb part 3 and the lower limb part 4 are separately manufactured on the tire frame 1, and then the upper limb part 3 and the lower limb part 4 are assembled and welded.

[0041] When in use, the lower limb part 4 with a large cross-sectional area can meet the strength requirements for supporting the main components of the steel structure, and the upper limb part 3 with a smaller cross-sectional area is used to support the roof. The cross-sectional area of ​​the transition section 41 of the lower limb part 4 is smaller than the cross-sectional area of ​​the support section 42. The upper limb part 3 and the lower limb part 4 are connected through the transition section 41 to form a structure that is narrow at the top and wide at the bottom, which achieves a lightweight design while meeting the strength requirements. According to the above structural features, the upper limb part 3 and the lower limb part 4 of the super-long lattice column are made separately on the tire frame 1, and then assembled and welded. The processing method of segmented production and overall assembly is adopted, which can reduce the difficulty of controlling the size and processing accuracy and improve the production efficiency. The method for making super-long lattice columns provided in this embodiment solves the problem that the size and processing accuracy of super-long lattice columns in the prior art are difficult to control, resulting in low production efficiency.

[0042] It should be noted that the tire frame 1 is built on a flat working platform, the flatness of the tire frame 1 is ≯1mm, and the ground sample line 2 is drawn on the working platform. The whole process uses a total station to assist in measurement, control and positioning. After the overall welding is completed and tested to be qualified, the subsequent grinding, rust removal and painting processes are carried out.

[0043] like Figure 1 , Figure 3 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the upper limb part 3 includes: an upper limb web 31, a first flange plate 32 and a second flange plate 33, the first flange plate 32 and the second flange plate 33 are arranged in parallel and spaced apart, and the upper limb web 31 is vertically connected between the first flange plate 32 and the second flange plate 33; the upper limb part 3 is connected to the transition section 41 of the lower limb part 4 by butt joint. The upper limb web 31 is vertically connected between the first flange plate 32 and the second flange plate 33 to form an H-shaped steel, which has the advantages of strong bending resistance, simple construction, cost saving and light structure weight; the upper limb part 3 is butt jointed with the transition section 41 of the lower limb part 4, the stress condition is good, the stress concentration is small, and it can withstand a large static load or dynamic load. In addition, as an alternative embodiment, the upper limb part 3 can also be assembled from two channel steels according to design requirements.

[0044] like Figure 1 , Figure 3 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the first flange plate 32, the second flange plate 33 and the end of the upper limb web plate 31 used for connecting with the lower limb part 4 are non-aligned, which can facilitate the connection of the upper limb part 3 with the transition section 41 of the lower limb part 4. In addition, as an alternative embodiment, the first flange plate 32, the second flange plate 33 and the end of the upper limb web plate 31 used for connecting with the lower limb part 4 can also be aligned.

[0045] like Figure 1 , Figure 4 , Figure 5As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the transition section 41 includes: a first main body 43 and a second main body 44 arranged in parallel and spaced apart, the first main body 43 is butt-connected with the first flange plate 32, the second main body 44 is staggeredly connected with the second flange plate 33, and the second main body 44 is staggered relative to the second flange plate 33 toward a side away from the first flange plate 32. The first main body 43 and the second main body 44 arranged in parallel and spaced apart in the transition section 41 can be respectively connected to the first flange plate 32 and the second flange plate 33 arranged non-aligned, and the second main body 44 is staggered toward a side away from the first flange plate 32, so that the cross section of the lower limb part 4 can be larger than the cross section of the upper limb part 3, forming a structure that is narrow at the top and wide at the bottom, and realizing a lightweight design while meeting the strength requirements. Specifically, the length of one end of the first main body 43 used to connect to the upper limb part 3 is greater than the length of one end of the second main body 44 used to connect to the upper limb part 3; the first main body 43 is set as a channel steel, and the second main body 44 is set as an H-shaped steel. In addition, as an alternative embodiment, the transition section 41 can also be composed of an H-shaped steel, the first flange plate 32 is butt-connected to the flange plate on one side of the transition section 41, and the second flange plate 33 is staggeredly connected to the flange plate on the other side of the transition section 41.

[0046] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the transition section 41 includes: a first main body 43 and a second main body 44 arranged in parallel and spaced apart, the first main body 43 has a first web 431, the second main body 44 has a second web 441, the first web 431 and the second web 441 are arranged in parallel and spaced apart; one end of the first web 431 close to the upper limb part 3 is butt-connected with the first flange plate 32 of the upper limb part 3; the first web 431 and the second web 441 are connected close to the upper limb part 3; One end of the upper limb part 3 is connected to a first support plate 411, and the first support plate 411 is respectively vertically connected to the first web 431 and the second web 441, and one end of the first support plate 411 close to the upper limb part 3 is butt-connected to the upper limb web 31; a second support plate 412 is vertically connected to the first support plate 411, and one end of the second support plate 412 extends toward the direction close to the upper limb part 3, and the extended end of the second support plate 412 is butt-connected to the second flange plate 33 of the upper limb part 3. The first web 431 of the first main body 43 is butt-connected with the first flange plate 32 of the upper limb part 3, the first support plate 411 vertically connected between the first web 431 and the second web 441 is butt-connected with the upper limb web 31 to support the upper limb web 31, the second support plate 412 vertically arranged on the first support plate 411 is butt-connected with the second flange plate 33, so that the second flange plate 33 and the second main body 44 form a staggered connection, so that the connection between the upper limb part 3 and the lower limb part 4 is more stable. The first web 431 of the first main body 43 is butt-connected with the first flange plate 32 of the upper limb part 3, the first support plate 411 vertically connected between the first web 431 and the second web 441 is butt-connected with the upper limb web 31 to support the upper limb web 31, and the second support plate 412 vertically arranged on the first support plate 411 is butt-connected with the second flange plate 33, so that the second flange plate 33 and the second main body 44 form a staggered connection, so that the connection between the upper limb part 3 and the lower limb part 4 is more stable. In addition, as an alternative embodiment, the first flange plate 32 and the first main body 43 can also be arranged to be staggered, and there are two second support plates 412 on the first support plate 411, one connected to the first flange plate 32, and the other connected to the second flange plate 33.

[0047] It should be supplemented that the first body 43, the second body 44 and the third body 45 are hoisted onto the tire frame 1 according to the ground sample line 2 for assembly and welding.

[0048] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, a third support plate 413 is further connected between the first web 431 and the second web 441 at the end close to the upper limb portion 3, and the third support plate 413 is perpendicular to the first support plate 411 and is located at the end of the first support plate 411 away from the upper limb portion 3; the second support plate 412 has a first U-shaped notch 4121 for inserting the first support plate 411, and after the second support plate 412 is inserted into the first support plate 411, the end of the second support plate 412 abuts against the third support plate 413. The third support plate 413 is vertically arranged at the end of the first support plate 411 away from the upper limb portion 3, and the first support plate 411 is inserted into the first U-shaped notch 4121 on the second support plate 412, and the third support plate 413 forms an abutment support for the end of the second support plate 412, so that the connection between the first support plate 411 and the second support plate 412 is more stable. In addition, as an alternative implementation, the first U-shaped notch 4121 may also be provided on the first support plate 411 , and the second support plate 412 is inserted into the first U-shaped notch 4121 on the first support plate 411 .

[0049] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the end of the first support plate 411 close to the upper limb part 3 is connected to a horizontal plate 414, and the two symmetrical sides of the horizontal plate 414 are respectively connected to steel column hanging ears 415. The steel column hanging ears 415 are assembled by the horizontal plate 414 on the first support plate 411, which can facilitate the hanging. In addition, as an alternative embodiment, the steel column hanging ears 415 can also be set on the outside of the transition section 41.

[0050] like Figure 1 , Figure 4 , Figure 5 , Fig. 9As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the lower limb part 4 includes: a first main body 43, a second main body 44 and a third main body 45 arranged in parallel and spaced apart, the upper sections of the first main body 43 and the second main body 44 form the transition section 41, and the third main body 45 and the lower section of the second main body 44 form the support section 42; the first main body 43 and the third main body 45 are staggeredly connected, and the first main body 43 is staggered relative to the third main body 45 toward the side close to the second main body 44. The first main body 43 is staggeredly connected to the third main body 45 toward the side close to the second main body 44, so that the cross-sectional area of ​​the transition section 41 formed by the upper sections of the first main body 43 and the second main body 44 is smaller than the cross-sectional area of ​​the support section 42 formed by the third main body 45 and the lower section of the second main body 44, and is connected to the upper limb part 3 with a small cross-sectional area through the transition section 41, forming a structure with narrow upper and wide lower, thereby achieving a lightweight design while meeting the strength requirements. Specifically, the first body 43 is a channel steel, the second body 44 and the third body 45 are H-shaped steels of different lengths, and the cross section of the first body 43 is smaller than that of the second body 44 and the third body 45. In addition, as an alternative embodiment, the lower limb part 4 may include a first body 43, a second body 44, a third body 45 and a fourth body, the first body 43 and the second body 44 form a support section 42, the third body 45 and the fourth body form a transition section 41, the third body 45 is staggeredly connected to the second body 44, and the fourth body is staggeredly connected to the first body 43.

[0051] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Fig. 9 , Fig.10As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the first main body 43 has a first web 431, the second main body 44 has a second web 441, and the third main body 45 has a third web 451; the second web 441 is arranged parallel to the first web 431 and the second web 441 respectively, and is spaced apart; a fourth support plate 421 is connected between the second web 441 and the third web 451 at one end close to the first web 431, and the fourth support plate 421 is vertically connected to the second web 441 and the third web 451 respectively, and a side of the fourth support plate 421 close to the first web 431 is abutted against the first web 431. The fourth support plate 421 vertically connected between the second web 441 and the third web 451 is abutted against the first web 431 to support the first web 431, so that the first web 431 can be staggeredly connected with the third web 451, thereby making the cross-sectional area of ​​the transition section 41 smaller than that of the support section 42, and facilitating connection with the upper limb portion 3. In addition, as an alternative embodiment, the fourth support plate 421 can be replaced by a channel steel or other columnar components.

[0052] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Fig. 9 , Fig.10 , Fig.11 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, a fifth support plate 422 is further connected between the second web 441 and the third web 451 at one end close to the first web 431, and the fifth support plate 422 is perpendicular to the fourth support plate 421 and is located on a side of the fourth support plate 421 close to the first web 431; the first web 431 has a second U-shaped notch 4311 for inserting the fifth support plate 422, and after the first web 431 is inserted into the fifth support plate 422, the end of the first web 431 abuts against the fourth support plate 421. The first web 431 is inserted into the fifth support plate 422 through the second U-shaped notch 4311, and the fifth support plate 422 has a limiting effect on the first web 431, so that the connection between the first web 431, the fifth support plate 422 and the fourth support plate 421 is more stable. In addition, as an alternative implementation, the second U-shaped notch 4311 may also be provided on the fifth support plate 422 .

[0053] like Figure 1 , Figure 4 , Figure 5 , Figure 6 , Fig. 9 , Fig.10 As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the end of the fifth support plate 422 close to the third web 451 is connected to the sixth support plate 424, and the sixth support plate 424 is parallelly connected to the third web 451; the end of the fifth support plate 422 close to the first web 431 is connected to the limiting plate 423, and the limiting plates 423 have at least two spaced apart spaces, and a gap is formed between the two limiting plates 423 for inserting the first web 431. The sixth support plate 424 vertically arranged at one end of the fifth support plate 422 near the third web 451 is parallelly connected to the third web 451, so that the third web 451 forms a supporting connection with the fifth support plate 422; the first web 431 is inserted into the gap between the two limiting plates 423, and the two limiting plates 423 support and limit the two sides of the first web 431, so that the connection between the first web 431 and the fifth support plate 422 is more stable, and the first web 431 is prevented from being displaced relative to the fifth support plate 422. Specifically, two third flange plates are vertically arranged on both sides of the third web 451, and the third flange plates extend toward the direction close to the limiting plate 423 and connect the limiting plate 423, and the sixth support plate 424 is vertically arranged between the two third flange plates. In addition, as an alternative embodiment, the limiting plate 423 can be omitted, and a reinforcing rib is arranged between the fourth support plate 421 and the first web 431.

[0054] It should be noted that the lower limb part 4 is provided with a plurality of crane beam corbel nodes 49, pipeline corbel nodes 47 and a number of column supports 46; the welds at both ends of the transition section 41 are dense, and the base welding is completed first, and the crane beam corbel nodes 49 and pipeline corbel nodes 47 are assembled to form a stable structure, and then the cover welding is filled at both ends of the transition section 41 to prevent deformation of the component caused by the dense welds.

[0055] like Figure 1 , Figure 3 , Figure 4 , Fig.12As shown, in the manufacturing method of the super-long lattice column provided in this embodiment, the end of the upper limb part 3 away from the lower limb part 4 is connected with a corbel 34, and the corbel 34 has a groove for inserting the upper limb part 3; the part of the upper limb part 3 inserted into the groove of the corbel 34 is provided with a plurality of upper limb stiffening plates 35; the main body of the end of the lower limb part 4 away from the upper limb part 3 is provided with a plurality of studs 6; the outer sides of the upper limb part 3 and the lower limb part 4 are respectively provided with a plurality of purlins 5. Support structures are formed on both sides of the upper limb part 3 so that the upper limb part 3 is evenly stressed; the upper limb stiffening plates 35 can strengthen the strength of the part of the upper limb part 3 inserted into the groove of the corbel 34; when the lattice column is cast in situ, the studs 6 can strengthen the connection strength between the main body of the end of the lower limb part 4 away from the upper limb part 3 and the concrete; the purlins 5 of the upper limb part 3 and the lower limb part 4 are used to connect components such as steel structure beams. In addition, as an alternative implementation, the corbel 34 may also be provided with two parts, and the two parts of the corbel 34 are symmetrically provided on both sides of the upper limb part 3 .

[0056] Specifically, a plurality of lower limb stiffening plates 48 are provided on the outer sides of the second main body 44 and the third main body 45; after a preliminary inspection of the appearance dimensions of the lower limb part 4, the excess of one end of the second main body 44 and the third main body 45 away from the upper limb part 3 is cut off, and the column bottom plate 7 is welded together.

[0057] Directions:

[0058] like Figure 1 As shown, the manufacturing method of the super-long lattice column provided in this embodiment is to manufacture the upper limb part 3 and the lower limb part 4 separately on the tire frame 1, and then assemble and weld them together, adopting a processing method of segmented manufacturing and overall assembly to improve the manufacturing efficiency; the second main body 44 and the third main body 45 of the lower limb part 4 form a support section 42, the first main body 43 and the third main body 45 of the lower limb part 4 are staggeredly connected, so that the third main body 45 and the first main body 43 form a transition section 41, the third main body 45 is butt-connected to the first flange plate 32 of the upper limb part 3, and the second main body 44 is staggeredly connected to the second flange plate 33 of the upper limb part 3, so as to realize a lightweight design.

[0059] Obviously, the above embodiments are merely examples for clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the present invention.

Claims

1. A method for manufacturing an ultra-long lattice column, It is characterized in that The super-long lattice column comprises a lower limb part (4) and an upper limb part (3), the cross section of the lower limb part (4) is larger than the cross section of the upper limb part (3), the lower limb part (4) comprises a supporting section (42) and a transition section (41), the cross section of the transition section (41) is smaller than the cross section of the supporting section (42), and the upper limb part (3) is connected to the transition section (41) of the lower limb part (4); The method comprises the following steps: firstly, the upper limb part (3) and the lower limb part (4) are respectively manufactured on a tire frame (1), and then the upper limb part (3) and the lower limb part (4) are welded together.

2. The method for manufacturing the super-long lattice column according to claim 1, It is characterized in that The upper limb part (3) comprises: an upper limb web (31), a first flange plate (32) and a second flange plate (33), wherein the first flange plate (32) and the second flange plate (33) are arranged in parallel and spaced apart, and the upper limb web (31) is vertically connected between the first flange plate (32) and the second flange plate (33); the upper limb part (3) and the transition section (41) of the lower limb part (4) are connected by butt joint.

3. The method for manufacturing the super-long lattice column according to claim 2, It is characterized in that The first flange plate (32), the second flange plate (33) and one end of the upper limb web plate (31) for connection with the lower limb portion (4) are arranged in a non-aligned manner.

4. The method for manufacturing the super-long lattice column according to claim 2, It is characterized in that The transition section (41) comprises: a first main body (43) and a second main body (44) which are arranged in parallel and at intervals, the first main body (43) being butt-connected to the first flange plate (32), the second main body (44) being staggeredly connected to the second flange plate (33), and the second main body (44) being staggered relative to the second flange plate (33) toward a side away from the first flange plate (32).

5. The method for manufacturing the super-long lattice column according to claim 2, It is characterized in that The transition section (41) comprises: a first main body (43) and a second main body (44) which are arranged in parallel and spaced apart, the first main body (43) having a first web (431), the second main body (44) having a second web (441), the first web (431) and the second web (441) being arranged in parallel and spaced apart; One end of the first web (431) close to the upper limb part (3) is butt-connected to the first flange plate (32) of the upper limb part (3); A first support plate (411) is connected between the first web (431) and the second web (441) at one end close to the upper limb portion (3); the first support plate (411) is vertically connected to the first web (431) and the second web (441) respectively; and one end of the first support plate (411) close to the upper limb portion (3) is butt-connected to the upper limb web (31); A second support plate (412) is vertically connected to the first support plate (411), one end of the second support plate (412) extends in a direction close to the upper limb part (3), and the extended end of the second support plate (412) is butt-connected to the second flange plate (33) of the upper limb part (3).

6. The method for manufacturing the super-long lattice column according to claim 5, It is characterized in that A third support plate (413) is further connected between the first web (431) and the second web (441) at an end close to the upper limb portion (3); the third support plate (413) is perpendicular to the first support plate (411) and is located at an end of the first support plate (411) away from the upper limb portion (3); The second support plate (412) has a first U-shaped notch (4121) for inserting the first support plate (411); after the second support plate (412) is inserted into the first support plate (411), the end of the second support plate (412) abuts against the third support plate (413).

7. The method for manufacturing the super-long lattice column according to claim 5, It is characterized in that One end of the first support plate (411) close to the upper limb part (3) is connected to a horizontal plate (414), and two symmetrical sides of the horizontal plate (414) are respectively connected to steel column hanging ears (415).

8. The method for manufacturing the super-long lattice column according to claim 1, It is characterized in that The lower limb part (4) comprises: a first main body (43), a second main body (44) and a third main body (45) arranged in parallel and spaced apart, the upper sections of the first main body (43) and the second main body (44) forming the transition section (41), and the third main body (45) and the lower section of the second main body (44) forming the support section (42); The first body (43) is staggeredly connected to the third body (45), and the first body (43) is staggered relative to the third body (45) toward a side close to the second body (44).

9. The method for manufacturing the super-long lattice column according to claim 8, It is characterized in that The first body (43) has a first web (431), the second body (44) has a second web (441), and the third body (45) has a third web (451); The second web (441) is arranged parallel to and spaced from the first web (431) and the second web (441) respectively; A fourth support plate (421) is connected between the second web (441) and the third web (451) at one end close to the first web (431); the fourth support plate (421) is vertically connected to the second web (441) and the third web (451) respectively; and a surface of the fourth support plate (421) close to the first web (431) is butt-connected to the first web (431).

10. The method for manufacturing the super-long lattice column according to claim 9, It is characterized in that A fifth support plate (422) is further connected between the second web (441) and the third web (451) at one end close to the first web (431), and the fifth support plate (422) is perpendicular to the fourth support plate (421) and is located on a side of the fourth support plate (421) close to the first web (431); The first web (431) has a second U-shaped notch (4311) for inserting the fifth support plate (422); after the first web (431) is inserted into the fifth support plate (422), the end of the first web (431) abuts against the fourth support plate (421).

11. The method for manufacturing the super-long lattice column according to claim 10, It is characterized in that One end of the fifth support plate (422) close to the third web (451) is connected to a sixth support plate (424), and the sixth support plate (424) is parallelly butt-jointed with the third web (451); One end of the fifth support plate (422) close to the first web (431) is connected to a limiting plate (423), and the limiting plates (423) include at least two spaced-apart plates, with a gap formed between the two limiting plates (423) for inserting the first web (431).

12. A method for manufacturing an ultra-long lattice column according to any one of claims 1 to 11, It is characterized in that One end of the upper limb part (3) away from the lower limb part (4) is connected to a corbel (34), and the corbel (34) has a groove for inserting the upper limb part (3); A portion of the upper limb portion (3) inserted into the groove of the corbel (34) is provided with a plurality of stiffening plates; A plurality of pegs (6) are provided on the main body of the lower limb part (4) at one end away from the upper limb part (3); A plurality of purlins (5) are respectively provided on the outer sides of the upper limb part (3) and the lower limb part (4).

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