A method for manufacturing an ultra-long lattice column

Abstract

The application provides a manufacturing method of an ultra-long lattice column, and belongs to the technical field of building steel structures. The ultra-long lattice column has 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 has a supporting section and a transition section. The cross section of the transition section is smaller than that of the supporting section. The upper limb part is connected with the transition section of the lower limb part. The method comprises the following steps: first, manufacturing the upper limb part and the lower limb part on a jig frame, and then performing total assembly welding on the upper limb part and the lower limb part. In 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, which meets the strength requirement and realizes lightweight design. The processing mode of segmented manufacturing and overall assembly reduces the control difficulty of size and processing precision and improves the manufacturing efficiency. The manufacturing method of the ultra-long lattice column solves the problem of low manufacturing efficiency caused by the difficulty in controlling the size and processing precision of the ultra-long lattice column.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building steel structure, and particularly relates to a manufacturing method of an ultra-long lattice column. BACKGROUND

[0002] With the vigorous development of the steel structure industry, more and more industrial plants choose steel structure due to the advantages of light weight, stable structure, strong anti-seismic ability and short construction period, but the difficulty of component manufacturing is increased, especially the manufacturing of steel columns in the main structure of the plant, and the requirement for manufacturing period is extremely harsh.

[0003] Chinese patent document CN102126108A discloses a manufacturing process of a new lattice steel column, establishes a steel horizontal assembly platform or a jig support, and performs positioning and lofting, and the manufactured H-shaped steel part is fixed on the support, and the upper half and the lower half are assembled and welded respectively.

[0004] However, in the manufacturing of the lattice column with large component span, complex node form and thin steel plate, the manufacturing precision requirement is high, and there are still manufacturing difficulties such as size control, machining precision and welding deformation, which leads to low manufacturing efficiency of the component and prolongs the project period. SUMMARY

[0005] Therefore, the technical problem to be solved by the present application is to overcome the problem of low manufacturing efficiency of the ultra-long lattice column due to the difficulty in controlling the size and machining precision, so as to provide a manufacturing method of an ultra-long lattice column.

[0006] In order to solve the above technical problems, the present application provides a manufacturing method of an ultra-long lattice column, the ultra-long lattice column has 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 has a support section and a transition section, the cross section of the transition section is smaller than that of the support section, and the upper limb part is connected with the transition section of the lower limb part.

[0007] The method comprises the following steps: first, the upper limb part and the lower limb part are manufactured on the jig respectively, and then the upper limb part and the lower limb part are total-welded.

[0008] The manufacturing method of the super-long lattice column can meet the strength requirement of supporting the main component of the steel structure by the lower limb part with a large cross-sectional area, and can support the roof by the upper limb part with a small cross-sectional area, the transition section of the lower limb part has a smaller cross-sectional area than the supporting section, the upper limb part and the lower limb part are connected through the transition section, and the structure with a narrow upper part and a wide lower part is formed, so that the lightweight design is realized while the strength requirement is met; according to the structure characteristics, the segmented manufacturing and overall assembly processing mode can reduce the control difficulty of the size and the processing precision, and improve the manufacturing efficiency. The manufacturing method of the super-long lattice column can solve the problem that the size and the processing precision of the super-long lattice column are difficult to control in the prior art, and the manufacturing efficiency is low.

[0009] Optionally, the upper limb part comprises 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 at intervals, and the upper limb web is connected vertically 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 through butt joint. Through the above arrangement, the upper limb web is connected vertically between the first flange plate and the second flange plate to form a H-shaped steel, which has the advantages of strong bending resistance, simple construction, cost saving and light structure weight; the upper limb part and the transition section of the lower limb part are connected through butt joint, the stress condition is good, the stress concentration is small, and the upper limb part can bear a large static load or dynamic load.

[0010] Optionally, one end of the first flange plate, the second flange plate and the upper limb web for connecting the lower limb part is arranged in misalignment. Through the above arrangement, the upper limb part and the transition section of the lower limb part can be connected conveniently.

[0011] Optionally, the transition section comprises a first main body and a second main body arranged in parallel and at intervals, the first main body is connected to the first flange plate through butt joint, the second main body is connected to the second flange plate in misalignment, and the second main body is misaligned towards the side away from the first flange plate relative to the second flange plate. Through the above arrangement, the first main body and the second main body can be connected to the first flange plate and the second flange plate arranged in misalignment respectively, the second main body is misaligned towards the side away from the first flange plate, the cross section of the lower limb part can be larger than that of the upper limb part, the structure with a narrow upper part and a wide lower part is formed, and the lightweight design is realized while the strength requirement is met.

[0012] Optionally, the transition section comprises: a first body and a second body arranged in parallel and spaced apart, the first body is provided with a first web, the second body is provided with a second web, the first web and the second web are arranged in parallel and spaced apart; one end of the first web close to the upper limb part is connected to the first flange plate of the upper limb part in abutment connection; a first support plate is connected between the first web and the second web at an end close to the upper limb part, the first support plate is connected to the first web and the second web in perpendicular connection respectively, one end of the first support plate close to the upper limb part is connected to the upper limb web in abutment connection; a second support plate is connected to the first support plate in perpendicular connection, one end of the second support plate extends towards the direction close to the upper limb part, and the extending end of the second support plate is connected to the second flange plate of the upper limb part in abutment connection. 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, and the first support plate supports the upper limb web, so that the second flange plate and the second body are connected in dislocation, and the connection of the upper limb part and the lower limb part is more stable.

[0013] Optionally, a third support plate is further connected between the first web and the second web at an end close to the upper limb part, the third support plate is perpendicular to the first support plate and located at an end of the first support plate away from the upper limb part; the second support plate is provided with a first U-shaped notch for inserting the first support plate, after the second support plate is inserted into the first support plate, the end of the second support plate abuts on the third support plate. Through the above arrangement, the third support plate can abut and support the end of the second support plate, so that the connection of the first support plate and the second support plate is more stable.

[0014] Optionally, a horizontal plate is connected to one end of the first support plate close to the upper limb part, and steel column lifting lugs are connected to two symmetrical sides of the horizontal plate. Through the above arrangement, hoisting can be facilitated.

[0015] Optionally, the lower limb part comprises: a first body, a second body and a third body arranged in parallel and spaced apart, the upper segment part of the first body and the second body forms the transition section, and the third body and the lower segment part of the second body form the support section; the first body is connected to the third body in dislocation, and the first body is dislocated to the side close to the second body relative to the third body. Through the above arrangement, the cross-sectional area of the transition section formed by the upper segment part of the first body and the second body is smaller than the cross-sectional area of the support section formed by the lower segment part of the third body and the second body, the transition section is connected to the upper limb part with small cross-sectional area, and a structure of wide at the bottom and narrow at the top is formed, which meets the strength requirement and realizes lightweight design.

[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 in parallel and spaced apart from the first web and the third web; 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 connected perpendicularly to the second web and the third web, and one side of the fourth support plate close to the first web is connected to the first web in abutment. Through the above arrangement, the fourth support plate abuts and supports the first web, so that the first web can be connected in dislocation with the third web, thereby realizing that the cross-sectional area of the transition section is smaller than that of the support section, facilitating 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 located on the 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 on the fourth support plate. Through the above arrangement, the fifth support plate limits the first web, so that the connection of the first web, the fifth support plate and the fourth support plate is more stable.

[0018] Optionally, one end of the fifth support plate close to the third web is connected to a sixth support plate, the sixth support plate is connected in abutment to the third web in parallel; one end of the fifth support plate close to the first web is connected to a limiting plate, the limiting plate has at least two limiting plates arranged in spaced apart manner, and a gap for inserting the first web is formed between the two limiting plates. Through the above arrangement, the sixth support plate is connected in abutment to the third web in parallel, so that the third web supports 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, preventing displacement of the first web relative to the fifth support plate.

[0019] Optionally, the end of the upper limb portion away from the lower limb portion is connected to a corbel, the corbel having a groove for inserting into the upper limb portion; the portion of the upper limb portion inserted into the groove of the corbel is provided with several stiffening plates; the main body of the end of the lower limb portion away from the upper limb portion is provided with several studs; several purlin supports are respectively provided on the outer sides of the upper limb portion and the lower limb portion. With the above arrangement, the end of the upper limb portion away from the lower limb portion is inserted into the groove of the corbel, forming a support structure on both sides of the upper limb portion, making the upper limb portion bear force evenly; the stiffening plates of the upper limb portion can strengthen the upper limb portion; during the cast-in-place installation of the lattice column, the studs can strengthen the connection strength between the main body of the lower limb portion away from the upper limb portion and the concrete; the purlin supports of the upper and lower limb portions are used to connect steel structural beams and other components. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of one embodiment of the ultra-long lattice column provided in this invention.

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

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

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

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

[0026] Figure 6 for Figure 5 An enlarged schematic diagram of part A in the middle;

[0027] Figure 7 for Figure 4 A schematic diagram of the connection structure between the middle transition segment and the upper limb;

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

[0029] Figure 9 For Figure 4 Schematic view of the connection structure of the first body, the second body and the third body;

[0030] Figure 10 For Figure 9 Schematic view of the fourth support plate, the fifth support plate and the sixth support plate;

[0031] Figure 11 For Figure 9 Schematic view of the first body;

[0032] Figure 12 For Figure 3 Schematic view of the corbel.

[0033] Explanation of reference signs:

[0034] 1, cradle; 2, ground line; 3, upper limb part; 31, upper limb web plate; 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 body; 431, first web plate; 4311, second U-shaped notch; 44, second body; 441, second web plate; 45, third body; 451, third web plate; 411, first support plate; 412, second support plate; 4121, first U-shaped notch; 413, third support plate; 414, horizontal plate; 415, steel column lifting lug; 421, fourth support plate; 422, fifth support plate; 423, limiting plate; 424, sixth support plate; 46, inter-column support; 47, pipeline corbel node; 48, lower limb stiffener; 49, crane beam corbel node; 5, purlin support; 6, stud; 7, column bottom plate. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that unless specifically defined and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as there is no conflict.

[0039] The embodiment provides a manufacturing method of an ultralong lattice column capable of improving manufacturing efficiency, and is used for manufacturing a special-shaped ultralong lattice column.

[0040] As Figures 1-4 shown, a specific embodiment of a manufacturing method of an ultralong lattice column provided by the embodiment comprises: the ultralong 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 that 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 that of the support section 42, and the upper limb part 3 is connected with the transition section 41 of the lower limb part 4; comprising the following steps: first, manufacturing the upper limb part 3 and the lower limb part 4 on a jig 1 respectively, and then performing total assembly welding on the upper limb part 3 and the lower limb part 4.

[0041] In use, the lower limb part 4 with a large cross-sectional area can meet the strength requirement of supporting the main component of the steel structure, the upper limb part 3 with a smaller cross-sectional area is used for supporting the roof, the cross-sectional area of the transition section 41 of the lower limb part 4 is smaller than that of the support section 42, the upper limb part 3 and the lower limb part 4 are connected through the transition section 41, forming a structure with narrow upper part and wide lower part, which meets the strength requirement and realizes lightweight design; according to the above structural characteristics, the upper limb part 3 and the lower limb part 4 of the ultralong lattice column are manufactured on the jig 1 respectively, and then total assembly welding is performed, the processing mode of segmented manufacturing and overall assembly can reduce the control difficulty of size and processing precision, and improve the manufacturing efficiency. The manufacturing method of the ultralong lattice column provided by the embodiment solves the problem that the size and processing precision of the ultralong lattice column are difficult to control in the prior art, resulting in low manufacturing efficiency.

[0042] It needs to be explained that the tire rack 1 is built on a flat work platform, the flatness of the tire rack 1 is ≯1mm, and the ground sample line 2 is drawn on the work platform. The total station instrument is used for auxiliary measurement and control positioning throughout the process. After the total assembly welding is completed and detected qualified, subsequent polishing, rust removal and coating processes are carried out.

[0043] As shown in Figure 1 , Figure 3 , the manufacturing method of the super-long lattice column provided in the embodiment includes that the upper limb part 3 includes an upper limb web plate 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 at intervals, and the upper limb web plate 31 is connected vertically between the first flange plate 32 and the second flange plate 33; and the upper limb part 3 is connected through butt joint with a transition section 41 of the lower limb part 4. The upper limb web plate 31 is connected vertically 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 and the transition section 41 of the lower limb part 4 are connected through butt joint, which has a good stress condition, small stress concentration and can bear a large static load or dynamic load. In addition, as an alternative implementation, the upper limb part 3 can also be assembled by two channel steels according to design needs.

[0044] As shown in Figure 1 , Figure 3 , in the manufacturing method of the super-long lattice column provided in the embodiment, one end of the first flange plate 32, the second flange plate 33 and the upper limb web plate 31 for connecting with the lower limb part 4 is arranged in non-alignment, 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 implementation, the one end of the first flange plate 32, the second flange plate 33 and the upper limb web plate 31 for connecting with the lower limb part 4 can also be arranged in alignment.

[0045] As shown in Figure 1 , Figure 4 , Figure 5As shown, the manufacturing method of the super-long lattice column provided by the embodiment comprises the following steps: the transition section 41 comprises the first main body 43 and the second main body 44 which are arranged in parallel and at intervals, the first main body 43 is connected with the first flange plate 32 in abutment, the second main body 44 is connected with the second flange plate 33 in misalignment, and the second main body 44 is misaligned towards the side away from the first flange plate 32 relative to the second flange plate 33. The first main body 43 and the second main body 44 arranged in parallel and at intervals in the transition section 41 can be connected with the first flange plate 32 and the second flange plate 33 arranged in misalignment respectively, the second main body 44 is misaligned towards the side away from the first flange plate 32, which can realize that the cross section of the lower limb part 4 is larger than the cross section of the upper limb part 3, form the structure of upper narrow and lower wide, and realize the lightweight design while meeting the strength requirement. Specifically, the length of one end of the first main body 43 for connecting the upper limb part 3 is larger than the length of one end of the second main body 44 for connecting the upper limb part 3; the first main body 43 is arranged as a channel steel, and the second main body 44 is arranged 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 connected with one side flange plate of the transition section 41 in abutment, and the second flange plate 33 is connected with the other side flange plate of the transition section 41 in misalignment.

[0046] As Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8As shown, the manufacturing method of the super-long lattice column provided by the embodiment comprises the following steps: 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 is provided with a first web plate 431, the second main body 44 is provided with a second web plate 441, and the first web plate 431 and the second web plate 441 are arranged in parallel and at intervals; one end of the first web plate 431 close to the upper limb part 3 is connected to the first flange plate 32 of the upper limb part 3 in abutment; a first support plate 411 is connected between the first web plate 431 and the second web plate 441 close to one end of the upper limb part 3, the first support plate 411 is connected to the first web plate 431 and the second web plate 441 in perpendicular, and one end of the first support plate 411 close to the upper limb part 3 is connected to the upper limb web plate 31 in abutment; a second support plate 412 is connected to the first support plate 411 in perpendicular, one end of the second support plate 412 extends towards the direction close to the upper limb part 3, and the extending end of the second support plate 412 is connected to the second flange plate 33 of the upper limb part 3 in abutment. The first web plate 431 of the first main body 43 is connected to the first flange plate 32 of the upper limb part 3 in abutment, the first support plate 411 connected in perpendicular between the first web plate 431 and the second web plate 441 is connected to the upper limb web plate 31 in abutment, thereby supporting the upper limb web plate 31, and the second support plate 412 arranged in perpendicular on the first support plate 411 is connected to the second flange plate 33 in abutment, thereby forming the misaligned connection between the second flange plate 33 and the second main body 44, and making the connection between the upper limb part 3 and the lower limb part 4 more stable. The first web plate 431 of the first main body 43 is connected to the first flange plate 32 of the upper limb part 3 in abutment, the first support plate 411 connected in perpendicular between the first web plate 431 and the second web plate 441 is connected to the upper limb web plate 31 in abutment, thereby supporting the upper limb web plate 31, and the second support plate 412 arranged in perpendicular on the first support plate 411 is connected to the second flange plate 33 in abutment, thereby forming the misaligned connection between the second flange plate 33 and the second main body 44, and making the connection between the upper limb part 3 and the lower limb part 4 more stable. In addition, as an alternative embodiment, the first flange plate 32 and the first main body 43 can also be misaligned, and two second support plates 412 are arranged on the first support plate 411, one of which is connected to the first flange plate 32, and the other of which is connected to the second flange plate 33.

[0047] It should be noted that the first main body 43, the second main body 44 and the third main body 45 are hoisted to the jig 1 according to the ground pattern line 2 for assembly and welding.

[0048] As shown in the drawings, Figure 1 , Figure 4 , Figure 5 , Figure 6 ,Figure 7 , Figure 8 As shown, in the method for manufacturing an ultra-long lattice column provided in this embodiment, a third support plate 413 is connected between the first web plate 431 and the second web plate 441 at one end near the upper limb portion 3. The third support plate 413 is perpendicular to the first support plate 411 and 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. 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. The first support plate 411 is inserted into the first U-shaped notch 4121 on the second support plate 412. The third support plate 413 forms an abutment support for the end of the second support plate 412, which can make the connection between the first support plate 411 and the second support plate 412 more stable. Alternatively, as an alternative implementation, the first U-shaped notch 4121 can also be disposed on the first support plate 411, and the second support plate 412 can be 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 method for manufacturing the ultra-long lattice column provided in this embodiment, a horizontal plate 414 is connected to one end of the first support plate 411 near the upper limb portion 3, and steel column lifting lugs 415 are respectively connected to the two symmetrical sides of the horizontal plate 414. Assembling the steel column lifting lugs 415 via the horizontal plate 414 on the first support plate 411 facilitates hoisting. Alternatively, as an alternative implementation, the steel column lifting lugs 415 can also be located on the outside of the transition section 41.

[0050] like Figure 1 , Figure 4 , Figure 5 , Figure 9As shown, the lower limb part 4 comprises a first body 43, a second body 44 and a third body 45 arranged in parallel and spaced apart, the upper section of the first body 43 and the second body 44 forms the transition section 41, and the lower section of the third body 45 and the second body 44 forms the support section 42; the first body 43 is connected to the third body 45 in a staggered manner, and the first body 43 is closer to the second body 44 than the third body 45. The first body 43 is connected to the third body 45 in a staggered manner on the side closer to the second body 44, so that the cross-sectional area of the transition section 41 formed by the upper section of the first body 43 and the second body 44 is smaller than the cross-sectional area of the support section 42 formed by the lower section of the third body 45 and the second body 44. The transition section 41 is connected to the upper limb part 3 with a smaller cross-sectional area, forming a structure with a narrow upper part and a wide lower part, which meets the strength requirement while achieving lightweight design. Specifically, the first body 43 is a channel steel, the second body 44 and the third body 45 are H-shaped steels with different lengths, and the cross-sectional area 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 can comprise 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 the support section 42, the third body 45 and the fourth body form the transition section 41, the third body 45 is connected to the second body 44 in a staggered manner, and the fourth body is connected to the first body 43 in a staggered manner.

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

[0052] As shown in the drawings, Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 9 , Figure 10 , Figure 11 As shown in the drawings, the manufacturing method of the super-long lattice column provided in the embodiment has the second web 441 and the third web 451 connected at one end close to the first web 431 with a fifth support plate 422, the fifth support plate 422 is perpendicular to the fourth support plate 421 and located on one 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 is in abutting connection with the fourth support plate 421. The first web 431 is inserted into the fifth support plate 422 through the second U-shaped notch 4311, the fifth support plate 422 plays a limiting role for the first web 431, which can make the connection of the first web 431, the fifth support plate 422 and the fourth support plate 421 more stable. In addition, as an alternative embodiment, the second U-shaped notch 4311 can also be arranged on the fifth support plate 422.

[0053] As shown in the drawings, Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 9 ,Figure 10 As shown, in the manufacturing method of the super-long lattice column provided by the embodiment, one end of the fifth support plate 422 close to the third web plate 451 is connected with a sixth support plate 424, and the sixth support plate 424 is connected with the third web plate 451 in parallel. One end of the fifth support plate 422 close to the first web plate 431 is connected with a limiting plate 423, and the limiting plate 423 has at least two limiting plates arranged at intervals, and a gap for inserting the first web plate 431 is formed between the two limiting plates 423. The sixth support plate 424 arranged vertically at one end of the fifth support plate 422 close to the third web plate 451 is connected with the third web plate 451 in parallel, so that the third web plate 451 supports the fifth support plate 422. The first web plate 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 plate 431, so that the connection between the first web plate 431 and the fifth support plate 422 is more stable, and the displacement of the first web plate 431 relative to the fifth support plate 422 is prevented. Specifically, two third flange plates are arranged vertically on the two sides of the third web plate 451, the third flange plates extend towards the limiting plate 423 and are connected with the limiting plate 423, and the sixth support plate 424 is arranged vertically between the two third flange plates. In addition, as an alternative embodiment, the limiting plate 423 can be omitted, and a reinforcing rib plate is arranged between the fourth support plate 421 and the first web plate 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 plurality of column interval supports 46; the weld seams of the two ends of the transition section 41 are dense, and the base welding is completed first, the crane beam corbel nodes 49 and the pipeline corbel nodes 47 are assembled, and after the stable structure is formed, the cover welding is filled at the two ends of the transition section 41 to prevent the deformation of the component caused by the dense weld seams.

[0055] As Figure 1 , Figure 3 , Figure 4 , Figure 12As shown, in the method for manufacturing an ultra-long lattice column provided in this embodiment, the end of the upper limb portion 3 away from the lower limb portion 4 is connected to a corbel 34, and the corbel 34 has a groove for inserting into the upper limb portion 3; the portion of the upper limb portion 3 inserted into the groove of the corbel 34 is provided with several upper limb stiffening plates 35; the main body of the lower limb portion 4 away from the upper limb portion 3 is provided with several studs 6; several purlin supports 5 are respectively provided on the outer sides of the upper limb portion 3 and the lower limb portion 4. Support structures are formed on both sides of the upper limb portion 3 to make the upper limb portion 3 bear force evenly; the upper limb stiffening plates 35 can strengthen the strength of the portion of the upper limb portion 3 inserted into the groove of the corbel 34; when the lattice column is cast in place, the studs 6 can strengthen the connection strength between the main body of the lower limb portion 4 away from the upper limb portion 3 and the concrete; the purlin supports 5 of the upper limb portion 3 and the lower limb portion 4 are used to connect steel structure beams and other components. Alternatively, as an alternative implementation, the cow leg 34 can also be provided in two parts, with the two parts of the cow leg 34 symmetrically arranged on both sides of the upper limb part 3.

[0056] Specifically, a plurality of lower limb stiffening plates 48 are provided on the outer side of the second main body 44 and the third main body 45; after a preliminary inspection of the appearance and size of the lower limb part 4, the excess material at the end of the second main body 44 and the third main body 45 away from the upper limb part 3 is removed, and the column base plate 7 is welded together.

[0057] How to use:

[0058] like Figure 1 As shown, the manufacturing method of the ultra-long lattice column provided in this embodiment involves separately manufacturing the upper limb part 3 and the lower limb part 4 on the jig 1, and then performing overall welding. The processing method of segmented manufacturing and overall assembly improves 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 staggered and 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 connected to the first flange plate 32 of the upper limb part 3, and the second main body 44 is staggered and connected to the second flange plate 33 of the upper limb part 3, realizing a lightweight design.

[0059] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A method for manufacturing an ultra-long lattice column, characterized in that, The super-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 that 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 that of the support section (42), the upper limb part (3) is connected with the transition section (41) of the lower limb part (4), and the upper limb part (3) comprises an upper limb web plate (31), a first flange plate (32) and a second flange plate (33). The transition section (41) comprises first and second bodies (43 and 44) arranged in parallel and spaced apart, the first body (43) has a first web plate (431), the second body (44) has a second web plate (441), and the first and second web plates (431 and 441) are arranged in parallel and spaced apart. One end of the first web plate (431) close to the upper limb part (3) is connected in abutment with the first flange plate (32) of the upper limb part (3). First support plates (411) are connected between the first and second web plates (431 and 441) at one end close to the upper limb part (3), the first support plates (411) are connected perpendicularly with the first and second web plates (431 and 441) respectively, and one end of the first support plates (411) close to the upper limb part (3) is connected in abutment with the upper limb web plate (31). Second support plates (412) are connected perpendicularly on the first support plates (411), one end of the second support plates (412) extends towards the direction close to the upper limb part (3), and the extending end of the second support plates (412) is connected in abutment with the second flange plate (33) of the upper limb part (3). The first flange plate (32), the second flange plate (33) and the upper limb web plate (31) are arranged in misalignment at the end for connecting with the lower limb part (4). The steps comprise: firstly, manufacturing the upper limb part (3) and the lower limb part (4) on a jig (1) respectively, and then performing total welding of the upper limb part (3) and the lower limb part (4).

2. The method of claim 1, wherein the super-long lattice column is formed by a process comprising: The first and second flange plates (32 and 33) are arranged in parallel and spaced apart, and the upper limb web plate (31) is connected perpendicularly between the first and second flange plates (32 and 33); and the upper limb part (3) and the transition section (41) of the lower limb part (4) are connected in abutment.

3. The method of claim 2, wherein the method further comprises: The second body (44) is connected in misalignment with the second flange plate (33), and the second body (44) is misaligned relative to the second flange plate (33) towards the side away from the first flange plate (32).

4. The method of claim 1, wherein the super-long lattice column is formed by a process comprising: A third support plate (413) is further connected between the first web (431) and the second web (441) at one end close to the upper limb part (3), and the third support plate (413) is perpendicular to the first support plate (411) and located at an end of the first support plate (411) away from the upper limb part (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 on the third support plate (413).

5. The method of claim 1, wherein the super-long lattice column is formed by a process comprising: An end of the first support plate (411) close to the upper limb part (3) is connected with a horizontal plate (414), and two symmetrical sides of the horizontal plate (414) are respectively connected with steel column lugs (415).

6. The method of claim 1, wherein the super-long lattice column is formed by a process comprising: 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, and the upper segment of the first main body (43) and the second main body (44) forms the transition section (41), and the third main body (45) and the lower segment of the second main body (44) form the support section (42). The first main body (43) is connected with the third main body (45) in a staggered manner, and the first main body (43) is staggered relative to the third main body (45) towards the side close to the second main body (44).

7. The method of claim 6, wherein the super-long lattice column is formed by a process comprising: 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 in parallel and spaced apart with the first web (431) and the third web (451) 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), and the fourth support plate (421) is connected with the second web (441) and the third web (451) perpendicularly respectively, and one side of the fourth support plate (421) close to the first web (431) is connected with the first web (431) in abutment.

8. The method of claim 7, wherein the super-long lattice column is formed by a process comprising: 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 located at one 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 on the fourth support plate (421).

9. The method of claim 8, wherein the super-long lattice column is formed by a process comprising: An end of the fifth support plate (422) close to the third web (451) is connected with a sixth support plate (424), and the sixth support plate (424) is connected with the third web (451) in parallel; An end of the fifth support plate (422) close to the first web (431) is connected with a limiting plate (423), and the limiting plate (423) has at least two limiting plates (423) arranged at intervals, and a gap for inserting the first web (431) is formed between the two limiting plates (423).

10. The method of claim 1-9, wherein, An 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); A part of the upper limb part (3) inserted into the groove of the corbel (34) is internally provided with a plurality of stiffening plates; A plurality of pegs (6) are arranged on the main body of an end of the lower limb part (4) away from the upper limb part (3); A plurality of purlins (5) are arranged on the outer sides of the upper limb part (3) and the lower limb part (4) respectively.

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