CN104675098A - Steel pipe for high-intensity scaffold and preparation method thereof - Google Patents
Steel pipe for high-intensity scaffold and preparation method thereof Download PDFInfo
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- CN104675098A CN104675098A CN201310635415.1A CN201310635415A CN104675098A CN 104675098 A CN104675098 A CN 104675098A CN 201310635415 A CN201310635415 A CN 201310635415A CN 104675098 A CN104675098 A CN 104675098A
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Abstract
The invention discloses a steel pipe for a high-intensity scaffold. The steel pipe for the high-intensity scaffold is characterized in that the pipe wall taper of the steel pipe is 3: 200, the length of the steel pipe is 2-3 m, and the thickness of the pipe wall of the steel pipe is 3 mm-7 mm; every two steel pipes are inserted to a female end of the other one steel pipe through a socket end of a steel pipe, and then welded and fixed; a fixing end of the steel pipe is further provided with a fastening flange with a positioning hole. The invention further discloses a preparation method of the steel pipe. The preparation method comprises the following steps: (1) preparation before casting pipe; (2) pipe casting procedure; (3) annealing treatment procedure; (4) finishing procedure. The steel pipe for the high-intensity scaffold has the advantages of low manufacturing cost, long service life, low labor intensity, and short construction cycle.
Description
Technical field
The present invention relates to pipe processing, specifically a kind of high strength steel pipe for scaffold and preparation method thereof.
Background technology
At present, scaffold refers to that job site is the various supports that operative also solves vertically and horizontal transport is set up.The generic term on building circle, refers to building site be used in the higher place that cannot directly construct of exterior wall, interior decoration or floor height.Mainly for constructor works or the maintenance of perimeter security net and high-altitude installation component etc. up and down, scaffold makes material to be had usually: bamboo and wood, steel pipe or synthetic materials etc.Some engineering is also worked as template with scaffold and is used, and the department such as this external advertising, municipal administration, traffic road and bridge, mine is also extensively used.
The scaffold of steel occupies scaffold with its excellent performance and uses first of material, how to prepare high strength, low cost, is convenient to the steel pipe of connection, become current problem demanding prompt solution.
Summary of the invention
According to the technical problem of above-mentioned proposition, and provide a kind of high strength steel pipe for scaffold and preparation method thereof.The present invention mainly utilizes preparation with the steel pipe of tapering, by being rigidly connected, thus playing stable connection, installing effect easily.
The technological means that the present invention adopts is as follows:
A kind of high strength steel pipe for scaffold, it is characterized in that: the tube wall tapering of described steel pipe is 3:200, the length of described steel pipe is 2m-3m, the pipe thickness of described steel pipe is 3mm-7mm, be welded and fixed every two described steel pipes are inserted into the female end of steel pipe described in another root by the socket end of a described steel pipe after, the fixed end of described steel pipe is also provided with the clamp flange of band locating hole.
The invention also discloses a kind of preparation method of high strength steel pipe for scaffold, it is characterized in that comprising the steps:
1. prepare before cast tube:
The mass fraction of chemical composition is as follows: it is to be cast that C:0.2-0.4%, Si:0.2-1.5%, Mn:0.3-1.3%, Cr:0.3-0.5%, Ni:0.15-0.4%, Ti:0.4-0.5% and surplus are that Fe smelts into molten steel etc.;
2. cast tube operation:
By molten steel after deslagging, be poured into water-cooled process after in the pipe mold with tapering; Extracted from pipe mold by steel pipe by tube drawing pliers, steel pipe is continuous rotation in withdrawal process and after extracting, and then transports steel pipe to annealing furnace by rotary hanger;
3. annealing in process operation;
4. finishing procedure: carry out Shot Blasting to the residue of steel tube surface after annealing, then carries out finishing and preservative treatment.
Comparatively prior art is compared, and the present invention improves the mechanical performance of steel pipe effectively, particularly enhances its toughness and plasticity.Steel pipe provided by the invention can adopt direct insertion, is rigidly connected, easy for installation.
The present invention has corrosion-resistant, long service life, the advantages such as cost of manufacture is low, and labour intensity is low, short construction period, and the present invention extensively can promote in fields such as scaffold installations for the foregoing reasons.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation sketch of a kind of high strength steel pipe for scaffold of the present invention.
In figure: 1, the first steel pipe 2, second steel pipe 3, fixed end 4, clamp flange 41, locating hole
Detailed description of the invention
As shown in Figure 1, a kind of high strength steel pipe for scaffold, the tube wall tapering of described steel pipe is 3:200, and the length of described steel pipe is 2m, and the pipe thickness of described steel pipe is 3mm.When first steel pipe 1 is fixedly connected with the second steel pipe 2, adopts after the socket end of the second steel pipe 2 is inserted into the female end of the first steel pipe 1 and be welded and fixed, the fixed end 3 of described steel pipe is also provided with the clamp flange 4 of band locating hole 41.
An its preparation method for high strength steel pipe for scaffold, comprises the steps:
1. prepare before cast tube:
The mass fraction of chemical composition is as follows: it is to be cast that C:0.2-0.4%, Si:0.2-1.5%, Mn:0.3-1.3%, Cr:0.3-0.5%, Ni:0.15-0.4%, Ti:0.4-0.5% and surplus are that Fe smelts into molten steel etc.;
2. cast tube operation:
By molten steel after deslagging, be poured into water-cooled process after in the pipe mold with tapering; Extracted from pipe mold by steel pipe by tube drawing pliers, steel pipe is continuous rotation in withdrawal process and after extracting, and then transports steel pipe to annealing furnace by rotary hanger;
3. annealing in process operation;
4. finishing procedure: carry out Shot Blasting to the residue of steel tube surface after annealing, then carries out finishing and preservative treatment.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (2)
1. a high strength steel pipe for scaffold, it is characterized in that: the tube wall tapering of described steel pipe is 3:200, the length of described steel pipe is 2m-3m, the pipe thickness of described steel pipe is 3mm-7mm, be welded and fixed every two described steel pipes are inserted into the female end of steel pipe described in another root by the socket end of a described steel pipe after, the fixed end of described steel pipe is also provided with the clamp flange of band locating hole.
2. the preparation method of high strength steel pipe for scaffold according to claim 1, is characterized in that comprising the steps:
1. prepare before cast tube:
The mass fraction of chemical composition is as follows: it is to be cast that C:0.2-0.4%, Si:0.2-1.5%, Mn:0.3-1.3%, Cr:0.3-0.5%, Ni:0.15-0.4%, Ti:0.4-0.5% and surplus are that Fe smelts into molten steel etc.;
2. cast tube operation:
By molten steel after deslagging, be poured into water-cooled process after in the pipe mold with tapering; Extracted from pipe mold by steel pipe by tube drawing pliers, steel pipe is continuous rotation in withdrawal process and after extracting, and then transports steel pipe to annealing furnace by rotary hanger;
3. annealing in process operation;
4. finishing procedure: carry out Shot Blasting to the residue of steel tube surface after annealing, then carries out finishing and preservative treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635415.1A CN104675098A (en) | 2013-11-29 | 2013-11-29 | Steel pipe for high-intensity scaffold and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310635415.1A CN104675098A (en) | 2013-11-29 | 2013-11-29 | Steel pipe for high-intensity scaffold and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675098A true CN104675098A (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310635415.1A Pending CN104675098A (en) | 2013-11-29 | 2013-11-29 | Steel pipe for high-intensity scaffold and preparation method thereof |
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| Country | Link |
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| CN (1) | CN104675098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085034A (en) * | 2016-06-23 | 2016-11-09 | 巢湖鹏远金属焊管有限公司 | A kind of building scaffold builds steel pipe |
-
2013
- 2013-11-29 CN CN201310635415.1A patent/CN104675098A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106085034A (en) * | 2016-06-23 | 2016-11-09 | 巢湖鹏远金属焊管有限公司 | A kind of building scaffold builds steel pipe |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150603 |