CN106736271B - A kind of production method of rolling/compacting rectangle steel tubing string - Google Patents
A kind of production method of rolling/compacting rectangle steel tubing string Download PDFInfo
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- CN106736271B CN106736271B CN201611094486.5A CN201611094486A CN106736271B CN 106736271 B CN106736271 B CN 106736271B CN 201611094486 A CN201611094486 A CN 201611094486A CN 106736271 B CN106736271 B CN 106736271B
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- 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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- 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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- Civil Engineering (AREA)
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- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a kind of production methods of rolling/compacting rectangle steel tubing string, including：1) selection and group weldering steel box column cross-section, the rectangular steel pipe of equal thickness；2) disintegration segmentation is carried out at the above positions 150mm in the bracket top flange of rectangular steel pipe, rectangular steel pipe is divided into three sections；3) internal partition is cut into suitable shape, slope mouthful, and the composition backing at the mouth of slope will be cut at 4 straight flanges of internal partition；4) assembling and welding of 2 pieces of internal partitions in paragraph 1 rectangular steel pipe and the 2nd section of rectangular steel pipe are sequentially completed by sequence from inside to outside；5) group is installed into the paragraph 1 rectangular steel pipe of internal partition and the strong splicings such as the 2nd section of rectangular steel pipe and the 3rd section of rectangular steel pipe carry out, completes assembling, the welding of shaft structure；6) it corrects, the box column cylinder of polishing, number line and assemble the outer bracket of shaft and other parts, complete overall steel column production.The method achieve rectangle steel tubing strings to substitute application of the steel box column in engineering, is conducive to cost efficiency, energy-saving and emission-reduction.
Description
Technical field
The present invention relates to steel construction processing technique fields, more particularly to a kind of making of rolling/compacting rectangle steel tubing string
Method.
Background technology
Since steel box column power axis direction all has good working performance, it can preferably meet steel column intensity and whole
The stability of body structure is therefore widely used in the frame structure of skyscraper and industrial premises.
Steel box column cylinder is generally assembled by four blocks of steel plates, i.e., upper cover plate 11, lower cover 12 and two side cover plates 13,
14, box house need to be arranged internal partition 16 at girder steel bracket position and put more energy into.Referring to Fig. 1-Fig. 3 b, procedure of processing is as follows：
1, upper cover plate 11, lower cover 12, side cover plate 13,14 and partition board 16 (containing bevel cut) are cut；
2, side cover plate 13,14 over-assemble backing plates 15,16 over-assemble electroslag welding backing plate 17 of internal partition；
3, lower cover 12 and side cover plate 13,14 are assembled into U-type groove；
4, internal partition 16 (polylith) is respectively assembled to according to drawing position in U-type groove, and welding diaphragm 16 and side cover plate
13, the weld seam between 14；
5, upper cover plate 11 is assembled, babinet is formed；
6, babinet overturns 90 °, assembles consumable nozzle 18, filling flux, using electroslag welding welding internal partition 16 and upper and lower cover plates 11,
Weld seam between 12.
The assembling and welding of partition board are easily achieved using the above method.But since box column manufacture craft is more multiple
It is miscellaneous, it is low construction efficiency, of high cost, it is highly detrimental to the raising of construction speed and the control of cost.
With the rolling of China's rectangular steel pipe, the continuous maturation of compact technique, largely with box-structure cross-section, etc. wall thickness
Big section heavy wall rectangular tube realizes flow line production.If concrete filled rectangular steel tube members welded applied to alternate sets are carried out in engineering construction
Box-structure can also effectively improve the life of steel construction in the case where ensureing constructional appearance size constancy and constant structural behaviour
It produces efficiency and reduces production cost, to pushing the development of construction industry to have very important significance.But rolling (or compacting) square
Shape steel pipe, due to its be full-closed structure, internal partition assemble and weld it is relatively difficult, be currently seldom applied to building master
In body structure.
Invention content
The object of the present invention is to provide a kind of production methods of rolling/compacting rectangle steel tubing string, effectively to solve rectangle steel
Tubing string internal partition assembles problem, realizes the reduction of the raising and production cost of steel construction production efficiency.
For this purpose, the present invention uses following technical scheme：
A kind of production method of rolling/compacting rectangle steel tubing string, includes the following steps：
1) selection and group weldering steel box column cross-section, the rectangular steel pipe of equal thickness；
2) rectangular steel pipe is subjected to disintegration segmentation according to drawing size at the above positions 150mm in bracket top flange,
Rectangular steel pipe is divided into three sections；
3) prepare internal partition and composition backing, internal partition is cut into proper shape, and will be at 4 straight flanges of internal partition
It is cut into slope mouthful, and the composition backing at the mouth of slope；
4) according to sequence from inside to outside be sequentially completed in paragraph 1 rectangular steel pipe two pieces of internal partitions assembling and welding and
The assembling and welding of 2 pieces of internal partitions in 2nd section of rectangular steel pipe；
5) group is installed into the paragraph 1 rectangular steel pipe of internal partition and that the 2nd section of rectangular steel pipe and the 3rd section of rectangular steel pipe carry out etc. is strong
Assembling, the welding of shaft structure are completed in splicing；
6) it corrects, the box column cylinder of polishing, number line and assemble the outer bracket of shaft and other parts, complete whole steel column
It makes.
Above-mentioned rectangular steel pipe is mill product rectangular tube, single weld seam is cold-pressed rectangular tube or double weld seams are cold-pressed rectangular tube.
The gradient on the slope mouthful of 4 straight flanges of above-mentioned internal partition is 45 degree.
The present invention utilizes the equal feature equal with both direction plate thickness of steel box column power axis direction sectional dimension,
The rectangular steel pipe of selection and steel box column cross-section and equal wall thickness substitutes steel box column shaft structure, while being disintegrated using steel pipe and being divided
The method of section and the sequence welded from inside to outside effectively solve the problems, such as in rectangular tube can not assemble in diaphragm, ensuring rectangular tube
Column solves the problems, such as partition board assembly again under appearance and size and steel box column unanimous circumstances, has reached identical as steel box column
Functional effect.
By this method, it can be achieved that rectangle steel tubing string substitutes application of the steel box column in engineering, be conducive to push finished product
Roll extensive use of (compacting) concrete filled rectangular steel tube members in project subject structure, to further push construction industry cost efficiency with
Energy-saving and emission-reduction have very important significance, and should be widely promoted application.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing box beam cover board and partition board；
Fig. 2 a- Fig. 3 b show the partition board assembling process schematic diagram of existing steel box column；
Fig. 4 a-4c are the cross sectional shape schematic diagrames of 3 kinds of common rectangular tubes, are followed successively by mill product rectangular tube, single weld seam
It is cold-pressed rectangular tube and double weld seams is cold-pressed rectangular tube；
Fig. 5 a, 5b be the present invention method in rectangular steel pipe disintegrate segmentation position view；
Fig. 6 be the present invention method in be equipped with backing plate internal partition structural schematic diagram；
Fig. 7 is the assembling of the internal partition of paragraph 1 and the 2nd section of lengths of steel pipes and welding sequence figure in the method for the present invention；
Fig. 8 is the splicing construction schematic diagram of 3 lengths of steel pipes in the method for the present invention；
Fig. 9 be the present invention method in rectangle steel tubing string bracket assembling schematic diagram.
Specific implementation mode
The production method of rolling (compacting) rectangle steel tubing string of the present invention is：Selection and group weldering steel box column cross-section, etc.
Steel pipe column is carried out disintegration segmentation at each 150mm at the bracket node location by the rectangular steel pipe of thickness up and down according to design drawing,
Then internal partition is assembled and is welded from nozzle both sides, after welding detection is qualified, disintegration section rectangular steel pipe is used
Outside list groove is inside welded with the method for connecing liner plate by strong welds such as tubing strings, realizes the requirement of rectangular conduit internal partition assembly.
The method of the present invention is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 4 a- Fig. 9, the production method of rolling of the invention/compacting rectangle steel tubing string includes the following steps：
1) selection and group weldering steel box column cross-section, the rectangular steel pipe of equal thickness：
Mill product rectangular tube shown in Fig. 4 a-4c, single weld seam cold pressing rectangular tube or double weld seams can be selected as needed
It is cold-pressed rectangular tube.
2) by taking two layers of bracket node steel box column as an example, as shown in figure 5a and 5b：By rectangular steel pipe according to drawing size,
Bracket top flange carries out disintegration segmentation at the above positions 150mm, and rectangular steel pipe is divided into 1,2,3 three section.Wherein, it is shown in Fig. 5 a
Internal partition 4 and steel column bracket 5 merely to illustrate the installation site of internal partition and the segmentation position of rectangular steel pipe, this step
Schematic diagram is subject to Fig. 5 b.
3) prepare internal partition 4 and composition backing 6：
Referring to Fig. 6, internal partition 4 is cut into required shape, and 45 degree will be cut at 4 straight flanges of internal partition 4
Groove, and composition backing 6 at groove.
4) according to shown in Fig. 7, paragraph 1 rectangular steel pipe 1 and the 2nd section of rectangular steel pipe are sequentially completed according to sequence from inside to outside
The assembling and welding of internal partition 4 in 2 are (i.e.：Internal partition positioned inside is assembled and is assembled again positioned at outside after the completion of welding
Internal partition).
5) the paragraph 1 rectangular steel pipe 1, the 2nd section of rectangular steel pipe 2 and the 3rd section of rectangular steel pipe that group is installed to internal partition 4 carry out etc.
Strong splicing (not installing internal partition in the 3rd section of rectangular tube), completes assembling, the welding job of shaft structure.
6) it corrects, the box column cylinder of polishing, number line and assemble the outer bracket 5 of shaft and other parts, complete whole steel column
Making.
It is illustrated by taking the production method of two layers of bracket node steel box column as an example above.Three layers of bracket node box shaped steel
The production method of column is similar, on the basis of this structure, the outside of the 3rd section of rectangular steel pipe weld again one section be equipped in
The rectangular steel pipe of partition board.
By the above method, it can be achieved that part group weldering box-structure is substituted with rolling/compacting concrete filled rectangular steel tube members, to drop
The construction cost of low steel construction accelerates construction progress with highly beneficial, while can actively promote rolled-section in engineering construction
Batch application in construction meets the policy requirements for building energy-saving and emission-reduction and greenery patches environmental protection construction.
Claims (3)
1. a kind of production method of rolling/compacting rectangle steel tubing string, it is characterised in that include the following steps：
1) selection and group weldering steel box column cross-section, the rectangular steel pipe of equal thickness；
2) rectangular steel pipe is subjected to disintegration segmentation, by square according to drawing size at the above positions 150mm in bracket top flange
Shape steel pipe is divided into three sections；
3) prepare internal partition and composition backing, internal partition is cut into proper shape, and will be cut at 4 straight flanges of internal partition
Go out slope mouthful, and the composition backing at the mouth of slope；
4) assembling and the welding and the 2nd of two pieces of internal partitions are sequentially completed in paragraph 1 rectangular steel pipe according to sequence from inside to outside
The assembling and welding of two pieces of internal partitions in section rectangle sodium pipe；
5) group is installed into the paragraph 1 rectangular steel pipe of internal partition and the 2nd section of rectangular steel pipe and the 3rd section of rectangular steel pipe carries out etc. strong spells
It connects, completes assembling, the welding of shaft structure；
6) it corrects, the box column cylinder of polishing, number line and assemble the outer bracket of shaft and other parts, complete the system of whole steel column
Make.
2. manufacturing method according to claim 1, it is characterised in that：The rectangular steel pipe is mill product rectangular tube, list
Weld seam is cold-pressed rectangular tube or double weld seams are cold-pressed rectangular tube.
3. manufacturing method according to claim 1, it is characterised in that：The slope on the slope mouthful of 4 straight flanges of the internal partition
Degree is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094486.5A CN106736271B (en) | 2016-11-28 | 2016-11-28 | A kind of production method of rolling/compacting rectangle steel tubing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611094486.5A CN106736271B (en) | 2016-11-28 | 2016-11-28 | A kind of production method of rolling/compacting rectangle steel tubing string |
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| Publication Number | Publication Date |
|---|---|
| CN106736271A CN106736271A (en) | 2017-05-31 |
| CN106736271B true CN106736271B (en) | 2018-08-03 |
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| CN201611094486.5A Active CN106736271B (en) | 2016-11-28 | 2016-11-28 | A kind of production method of rolling/compacting rectangle steel tubing string |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640406B (en) * | 2019-09-30 | 2021-02-02 | 中国二十二冶集团有限公司 | Method for manufacturing thick plate small space box type bracket |
| CN111230345B (en) * | 2020-01-13 | 2021-06-11 | 国创建设工程有限公司 | Manufacturing process of bamboo joint steel column |
| CN113492272B (en) * | 2020-04-03 | 2024-06-04 | 唐安虎 | Manufacturing method and manufacturing equipment of box column |
| CN114101409A (en) * | 2021-11-05 | 2022-03-01 | 上海申龙客车有限公司 | Bending method of rectangular pipe |
| CN116927423A (en) * | 2023-07-18 | 2023-10-24 | 中建钢构股份有限公司 | Box type combined column based on hot rolled channel steel and preparation process |
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| CN106736271A (en) | 2017-05-31 |
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