CN110761489A - Strong-support elliptic cylinder and assembling and welding process thereof - Google Patents
Strong-support elliptic cylinder and assembling and welding process thereof Download PDFInfo
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- CN110761489A CN110761489A CN201911061203.0A CN201911061203A CN110761489A CN 110761489 A CN110761489 A CN 110761489A CN 201911061203 A CN201911061203 A CN 201911061203A CN 110761489 A CN110761489 A CN 110761489A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Civil Engineering (AREA)
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- Joining Of Building Structures In Genera (AREA)
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Abstract
The invention discloses a strong-support elliptic cylinder, which comprises: the sealing structure comprises a pipe column, a column bottom plate and a sealing plate, wherein the column bottom plate is arranged at the bottom of the pipe column, the sealing plate is arranged at the top of the pipe column, a group of partition plates and a group of longitudinal stiffening plates are arranged inside the pipe column, the partition plates are distributed in an inner cavity of the pipe column, the longitudinal stiffening plates are perpendicular to the partition plates and penetrate through the partition plates, and the partition plates are matched with the pipe column. The strong-support elliptic cylinder disclosed by the invention optimizes the structure of the whole elliptic cylinder, has a simple structure and a reasonable design, and greatly improves the support bearing performance and the structural stability of the elliptic cylinder structure by arranging the bottom plate at the bottom of the tubular column and arranging the partition plate and the longitudinal stiffening plate in the tubular column; the application also relates to the assembling and welding process of the elliptic cylinder, greatly improves the machining accuracy, guarantees the machining quality of products, and further guarantees the safety of later use.
Description
Technical Field
The invention belongs to the technical field of steel structure buildings, and particularly relates to a strong-support elliptic cylinder and a welding process thereof.
Background
The steel structure building is honored as one of the green buildings in the 21 st century, the unique recyclable building structure material accords with the energy conservation and is considered from the superiority and comprehensive benefits of the steel structure, and various new, odd and special-shaped steel structures in large-span and high-rise buildings are expected to become main bodies in the future, so that great difficulty is brought to the design, manufacture and installation of the steel structures.
The steel structure system has the comprehensive advantages of light dead weight, easy installation, short construction period, good earthquake resistance, quick investment recovery, less environmental pollution and the like, and has unique advantages of development in three aspects of height, size and light compared with a reinforced concrete structure. With the rapid development of the economy and the rapid improvement of the comprehensive national force of China, various large-scale steel structure building projects with complex and peculiar shapes are continuously generated, the processing and manufacturing difficulty of steel structure components is more and more high, and the requirements on the manufacturing and mounting period are shorter and shorter.
At present, in many steel structure engineering, as the pursuit of beautification and diversification, a plurality of novel and peculiar style forms are designed. In order to meet the stress requirement, a very complex and peculiar structural node is formed. In order to manufacture and manufacture the complex structures and the nodes, great difficulty is brought to the manufacturing and manufacturing of the complex structures and the nodes. The improvement of the manufacturing efficacy of the special-shaped component is imperative. Under the condition, the technology for processing and manufacturing the steel structure, which can effectively ensure the processing and manufacturing of the steel structure member, improve the efficiency and shorten the construction period, has huge development space.
The cylinder is the part commonly used in the steel construction building, however common cylinder, it is hollow form mostly, because the characteristic of its structure, so its bearing capacity is not enough, and current steel column processing is comparatively crude simultaneously, and easily leaves the potential safety hazard for the use in later stage.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the elliptic cylinder with strong support and the welding process thereof, which have the advantages of simple structure, reasonable design and easy production, and improve the support bearing performance and the structural stability of the elliptic cylinder structure.
The technical scheme is as follows: in order to achieve the above object, the present invention provides a strong-supporting elliptic cylinder comprising: the sealing structure comprises a pipe column, a column bottom plate and a sealing plate, wherein the column bottom plate is arranged at the bottom of the pipe column, the sealing plate is arranged at the top of the pipe column, a group of partition plates and a group of longitudinal stiffening plates are arranged inside the pipe column, the partition plates are distributed in an inner cavity of the pipe column, the longitudinal stiffening plates are perpendicular to the partition plates and penetrate through the partition plates, and the partition plates are matched with the pipe column.
The strong-support elliptic cylinder disclosed by the invention optimizes the structure of the whole elliptic cylinder, is simple in structure and reasonable in design, and greatly improves the support bearing performance and the structural stability of the elliptic cylinder structure by arranging the bottom plate at the bottom of the tubular column and arranging the partition plate and the longitudinal stiffening plate in the tubular column, so that the strong-support elliptic cylinder can better meet the requirements of steel structure building construction.
The tubular column comprises a first semicircular tube and a second semicircular tube which are mutually involutory, the first circular tube and the second circular tube are both semielliptical circular tubes, and the first circular tube and the second circular tube are both formed by a group of two half tubes.
The clapboard is in an elliptical shape, and a lightening hole is arranged in the middle of the clapboard. The arrangement of lightening holes ensures that the weight of the partition plate can be effectively lightened under the condition that the structural stability and the bearing performance of the elliptic cylinder are not influenced.
The outer part of the pipe column is provided with a sleeve, the outer surface of the pipe column is provided with a stud, and a column base section of the pipe column is provided with a reinforcement penetrating hole.
According to the invention, a column bottom stiffening plate is arranged between the column bottom plate and the column, and the column bottom stiffening plate is in a right-angled trapezoid shape and is matched with the column bottom plate and the column. The arrangement of the column bottom stiffening plate can effectively improve the connection stability of the bottom plate and the tubular column.
The column bottom plate is provided with an oval opening.
The assembly welding process of the strong-support elliptic cylinder comprises the following specific steps: 1): firstly, rolling a second half pipe in a first half pipe and a second half pipe by using a plate rolling machine, and carrying out forming detection on a component before assembly;
2): in the detection process, flame straightening or cold machining straightening is carried out on the oversize products, and the subsequent welding step can be carried out if the oversize products meet the tolerance;
3): the specific welding steps are as follows: the method comprises the following steps of (1) carrying out overall length detection on a two-half pipe in a first semi-circular pipe and a second semi-circular pipe before welding, carrying out normal welding when the length meets the requirement, carrying out gap adjustment through welding seams when the length is in a negative tolerance, carrying out CP root clearing welding on all circumferential butt welding seams, carrying out flatness and port size detection on a main pipe after welding, and correcting out-of-tolerance;
4): repeating the step 3) to complete the welding of the first semicircular pipe and the second semicircular pipe;
5): then the partition plate, the longitudinal stiffening plate and the half-half pipe are respectively assembled and welded;
6): then carrying out integral folding and welding;
7): respectively installing the column bottom plate and the seal plate at the bottom and the top of the column, and performing end milling;
8): and finally, installing, welding external accessories and forming holes, namely forming a prestress rib penetrating hole on the tubular column, installing a sleeve, forming the rib penetrating hole, welding a stud on the outer surface of the tubular column, applying a matched threaded steel test when the rib penetrating hole is formed on the column base section of the tubular column, and finishing the holes when the hole is not successfully formed.
The assembly welding process of the high-support elliptic cylinder optimizes the whole assembly welding process, strictly inspects components in each link, adjusts welding seams of ultra-poor parts, effectively improves the processing precision of the whole elliptic cylinder, greatly improves the processing quality of products, effectively ensures the stability of the product structure and the use safety, and further better meets the requirement of later use.
And the round pipe is mainly formed by rolling by a pipe rolling machine, so that the damage of hot working forming to the steel plate is reduced to the greatest extent. Because the thickness of the main body plate is larger than or equal to 50mm, in order to ensure that the plate edge difference of the longitudinal seam joint meets the tolerance requirement when the rolled elliptical tube is folded, the processed elliptical tube is ensured to be smooth and beautiful, and the head-overlapping processing is needed before the part processing.
In the invention, when the partition board, the longitudinal stiffening plate and the half-half Haff pipe are respectively assembled and welded in the steps, the longitudinal stiffening plate and the body welding seam within the range of 500mm of the port are reserved to be integrally folded and then welded.
The specific way of carrying out integral folding and welding in the step 6) is as follows: detecting the height of the section before the second half is closed, pre-releasing welding shrinkage allowance of 2-3 mm during closing, and adjusting the gap of a welding seam passing the height of the section with out-of-tolerance;
and after the elliptic cylinder main body is welded and formed, two ports adopt 1: 1, detecting the size deviation of a port by using the manufactured wood sample plate, and correcting flame for the deviation exceeding the tolerance requirement;
in order to ensure that the butt joint port is smooth, the end face of the oval pipe which is qualified in machining is subjected to machining and milling to ensure the flatness;
in the welding process, the longitudinal seam welding seam is required to be CP backing plate welding, and the welding seams of the partition plate and the stiffening plate are required to be PP welding seams.
The assembling and welding process of the strong-support elliptic cylinder is characterized by comprising the following steps:
and 7) when the column bottom plate and the sealing plate are welded in the step 7), the welding seam between the column bottom plate and the column is CP root cleaning welding, and the welding seams between the column bottom stiffening plate and the framework and the welding seams between the sealing plate and the framework are PP welding seams.
The technical scheme shows that the invention has the following beneficial effects:
1. the strong-support elliptic cylinder disclosed by the invention optimizes the structure of the whole elliptic cylinder, is simple in structure and reasonable in design, and greatly improves the support bearing performance and the structural stability of the elliptic cylinder structure by arranging the bottom plate at the bottom of the tubular column and arranging the partition plate and the longitudinal stiffening plate in the tubular column, so that the strong-support elliptic cylinder can better meet the requirements of steel structure building construction.
2. The assembly welding process of the high-support elliptic cylinder optimizes the whole assembly welding process, strictly inspects components in each link, adjusts welding seams of ultra-poor parts, effectively improves the processing precision of the whole elliptic cylinder, greatly improves the processing quality of products, effectively ensures the stability of the product structure and the use safety, and further better meets the requirement of later use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner structure of the elliptic cylinder of the present invention.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Examples
A strong supporting elliptic cylinder as shown in fig. 1 and 2, comprising: tubular column 1, column bottom plate 2 and shrouding 3, the bottom of tubular column 1 is located to column bottom plate 2, the top of tubular column 1 is located to shrouding 3, wherein, the inside of tubular column 1 is equipped with a set of baffle 4 and a set of vertical stiffener 5, baffle 4 distributes in the inner chamber of tubular column 1, vertical stiffener 5 sets up with baffle 4 is perpendicular to alternate with on baffle 4, baffle 4 cooperatees with tubular column 1.
Further, the tubular column 1 comprises a first semicircular pipe 11 and a second semicircular pipe 12 which are mutually involuted, the first circular pipe 11 and the second circular pipe 12 are both semi-elliptical circular pipes, and the first circular pipe 11 and the second circular pipe 12 are both formed by a group of two half pipes.
Furthermore, the partition plate 4 is elliptical, and a lightening hole 41 is formed in the middle of the partition plate.
Further, the outside of tubular column 1 is equipped with sleeve pipe 6, the surface of tubular column 1 is equipped with the peg, just the toe section of tubular column 1 is equipped with the muscle hole of wearing.
Preferably, a column bottom stiffening plate 7 is arranged between the column bottom plate 2 and the column base plate 1, and the column bottom stiffening plate 7 is in a right trapezoid shape and is matched with the column base plate 2 and the column base plate 1 simultaneously.
Preferably, the column bottom plate 2 is provided with an oval opening.
The assembly welding process of the strong-support elliptic cylinder in the embodiment comprises the following specific steps: 1): firstly, rolling a second half pipe in a first half pipe 11 and a second half pipe 12 by using a plate rolling machine, and carrying out forming detection on a component before assembly;
2): in the detection process, flame straightening or cold machining straightening is carried out on the oversize products, and the subsequent welding step can be carried out if the oversize products meet the tolerance;
3): the specific welding steps are as follows: before welding, detecting the integral length of the two half pipes in the first half pipe 11 and the second half pipe 12, when the length meets the requirement, carrying out normal welding, when the length is in a negative tolerance, adjusting the gap of a welding line, and all circumferential butt joints require CP root cleaning welding, and after welding, detecting the straightness and the port size of the main pipe, and correcting the out-of-tolerance;
4): repeating the step 3) to complete the welding of the first semicircular pipe 11 and the second semicircular pipe 12;
5): then the partition plate 4, the longitudinal stiffening plate 5 and the half-half Haff pipe are respectively assembled and welded;
6): then carrying out integral folding and welding;
7): then respectively installing the column bottom plate 2 and the seal plate 3 at the bottom and the top of the column 1, and performing end milling;
8): and finally, installing, welding external accessories and forming holes, namely forming a prestress rib penetrating hole and a sleeve on the pipe column 1, forming the rib penetrating hole, welding a stud on the outer surface of the pipe column 1, applying a matched threaded steel test when the rib penetrating hole is formed in the column base section of the pipe column 1, and finishing the holes when the hole is not successfully formed.
In the assembling and welding process of the strong-support elliptic cylinder in the embodiment, when the partition plate 4, the longitudinal stiffening plate 5 and the half-half-half.
In the assembling and welding process of the strong-support elliptic cylinder in the embodiment, the specific mode of the integral folding and welding in the step 6) is as follows: detecting the height of the section before the second half is closed, pre-releasing welding shrinkage allowance of 2-3 mm during closing, and adjusting the gap of a welding seam passing the height of the section with out-of-tolerance;
and after the elliptic cylinder main body is welded and formed, two ports adopt 1: 1, detecting the size deviation of a port by using the manufactured wood sample plate, and correcting flame for the deviation exceeding the tolerance requirement;
in order to ensure that the butt joint port is smooth, the end face of the oval pipe which is qualified in machining is subjected to machining and milling to ensure the flatness;
in the welding process, the longitudinal seam welding seam is required to be CP backing plate welding, and the welding seams of the partition plate 4 and the stiffening plate 5 are required to be PP welding seams.
In the assembling and welding process of the strong-support elliptic cylinder described in this embodiment, when the column base plate 2 and the seal plate 3 are welded in step 7), the weld between the column base plate 2 and the tubular column 1 is CP root-clearing welding, and the weld between the column bottom stiffener 7 and the frame and the weld between the seal plate 3 and the frame are PP welds.
In the embodiment, the parts are required to be detected in detail in the machining process so as to ensure the machining precision of the parts. The detection mode mainly adopts the following steps of 1: 1, detecting the precision of the processed arc by using an arc sample plate, and detecting the size of the opening of the semicircular pipe by using a steel ruler measurement mode. In order to ensure the machining precision to the maximum extent and facilitate the assembly of subsequent components, the machining deviation is adjusted at any time according to the principle of 'detecting while machining and detecting while machining'. The finished part must be ultrasonically destressed. And after the main body is welded and formed, two ports adopt 1: 1, detecting the size deviation of the port by using the manufactured wood sample plate, and correcting flame for the deviation exceeding the tolerance requirement. In order to ensure that the butt joint port is smooth, the end face of the oval pipe which is qualified in machining is subjected to machining and milling to ensure the flatness.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. The utility model provides a strong support nature elliptical column which characterized in that: the method comprises the following steps: tubular column (1), column bottom plate (2) and shrouding (3), the bottom of tubular column (1) is located in column bottom plate (2), the top of tubular column (1) is located in shrouding (3), wherein, the inside of tubular column (1) is equipped with a set of baffle (4) and a set of vertical stiffener (5), baffle (4) distribute in the inner chamber of tubular column (1), vertical stiffener (5) set up with baffle (4) are perpendicular to alternate and on baffle (4), baffle (4) cooperate with tubular column (1).
2. A strong supporting elliptic cylinder as claimed in claim 1 wherein: the pipe column (1) comprises a first semicircular pipe (11) and a second semicircular pipe (12) which are mutually involuted, the first circular pipe (11) and the second circular pipe (12) are formed by a group of two half pipes, and the first circular pipe (11) and the second circular pipe (12) are both semi-elliptical circular pipes.
3. A strong supporting elliptic cylinder as claimed in claim 1 wherein: the partition plate (4) is elliptical, and a lightening hole (41) is formed in the middle of the partition plate.
4. A strong supporting elliptic cylinder as claimed in claim 1 wherein: the outer portion of the pipe column (1) is provided with a sleeve (6), the outer surface of the pipe column (1) is provided with a stud, and a column base section of the pipe column (1) is provided with a reinforcement penetrating hole.
5. A strong supporting elliptic cylinder as claimed in claim 1 wherein: a column bottom stiffening plate (7) is arranged between the column bottom plate (2) and the column tube (1), and the column bottom stiffening plate (7) is in a right trapezoid shape and is matched with the column tube (1) and the column bottom plate (2) simultaneously.
6. A strong supporting elliptic cylinder as claimed in claim 1 wherein: an oval opening is arranged on the column bottom plate (2).
7. The assembly welding process of the strong-support elliptic cylinder according to claim 1, characterized in that: the specific welding process is as follows: 1): firstly, rolling a first semicircular tube (11) and a second semicircular tube (12) by using a plate rolling machine, and carrying out forming detection on a component before assembly;
2): in the detection process, flame straightening or cold machining straightening is carried out on the oversize products, and the subsequent welding step can be carried out if the oversize products meet the tolerance;
3): the specific welding steps are as follows: the method comprises the following steps that (1) the whole length of a first semicircular pipe (11) and a second semicircular pipe (12) is detected before welding, normal welding can be carried out when the length meets the requirement, when the length is negative tolerance, all circumferential butt joints are required to be CP root clearing welding through weld seam gap adjustment, straightness and port size detection are carried out on a main pipe after welding, and out-of-tolerance correction is carried out;
4): repeating the step 3) to complete the welding of the first semicircular pipe (11) and the second semicircular pipe (12);
5): then the partition plate (4), the longitudinal stiffening plate (5) and the half-half Haff pipe are respectively assembled and welded;
6): then carrying out integral folding and welding;
7): then respectively installing the column bottom plate (2) and the seal plate (3) on the bottom and the top of the column (1) and carrying out end milling;
8): and finally, installing, welding external accessories and forming holes, namely forming a prestress rib penetrating hole, installing a sleeve, forming the rib penetrating hole and welding a stud on the outer surface of the pipe column (1) on the pipe column (1), applying a matched threaded steel test when the rib penetrating hole is formed in the column base section of the pipe column (1), and finishing the holes when the hole is not successfully punched.
8. The assembly welding process of the strong-support elliptic cylinder as claimed in claim 7, characterized in that: and (5) respectively assembling and welding the partition plate (4), the longitudinal stiffening plate (5) and the half-half Haff pipe in the step (5), reserving the longitudinal stiffening plate and the body welding line within the range of 500mm of the port until the longitudinal stiffening plate and the body are integrally folded and then welding.
9. The assembly welding process of the strong-support elliptic cylinder as claimed in claim 7, characterized in that: the specific way of carrying out integral folding and welding in the step 6) is as follows: detecting the height of the section before the second half is closed, pre-releasing welding shrinkage allowance of 2-3 mm during closing, and adjusting the gap of a welding seam passing the height of the section with out-of-tolerance;
and after the elliptic cylinder main body is welded and formed, two ports adopt 1: 1, detecting the size deviation of a port by using the manufactured wood sample plate, and correcting flame for the deviation exceeding the tolerance requirement;
in order to ensure that the butt joint port is smooth, the end face of the oval pipe which is qualified in machining is subjected to machining and milling to ensure the flatness;
in the welding process, the longitudinal seam welding seam is required to be CP backing plate welding, and the welding seams of the partition plate (4) and the stiffening plate (5) are required to be PP welding seams.
10. The assembly welding process of the strong-support elliptic cylinder as claimed in claim 7, characterized in that:
and 7), when the column bottom plate (2) and the sealing plate (3) are welded in the step 7), the welding seam between the column bottom plate (2) and the tubular column (1) is CP root cleaning welding, and the welding seam between the column bottom stiffening plate (7) and the framework and the welding seam between the sealing plate (3) and the framework are PP welding seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061203.0A CN110761489A (en) | 2019-11-01 | 2019-11-01 | Strong-support elliptic cylinder and assembling and welding process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911061203.0A CN110761489A (en) | 2019-11-01 | 2019-11-01 | Strong-support elliptic cylinder and assembling and welding process thereof |
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| CN110761489A true CN110761489A (en) | 2020-02-07 |
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| CN112726958A (en) * | 2020-12-27 | 2021-04-30 | 江苏沪宁钢机股份有限公司 | Manufacturing process of round tube and taper tube combined inclined column |
| CN114086718A (en) * | 2020-12-31 | 2022-02-25 | 江苏沪宁钢机股份有限公司 | High-precision horn-shaped elliptical cone and manufacturing method thereof |
| WO2023024281A1 (en) * | 2021-08-25 | 2023-03-02 | 江苏沪宁钢机股份有限公司 | Internally multi-stiffened round tube adapter supporting node with structure in shape of chinese character "目", and manufacturing process therefor |
| CN116988569A (en) * | 2023-09-21 | 2023-11-03 | 中铁城建集团第一工程有限公司 | Box-type steel structure and manufacturing process thereof |
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| CN116988569A (en) * | 2023-09-21 | 2023-11-03 | 中铁城建集团第一工程有限公司 | Box-type steel structure and manufacturing process thereof |
| CN116988569B (en) * | 2023-09-21 | 2023-12-08 | 中铁城建集团第一工程有限公司 | Box-type steel structure and manufacturing process thereof |
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