CN108856985A - A kind of steel tube tower hollow ball and its welding preparation process - Google Patents
A kind of steel tube tower hollow ball and its welding preparation process Download PDFInfo
- Publication number
- CN108856985A CN108856985A CN201810611513.4A CN201810611513A CN108856985A CN 108856985 A CN108856985 A CN 108856985A CN 201810611513 A CN201810611513 A CN 201810611513A CN 108856985 A CN108856985 A CN 108856985A
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- reinforcing rib
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- broadwise
- longitudinal direction
- hollow ball
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Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention provides a kind of steel tube tower hollow ball and its welding preparation process, the identical hollow hemisphere of two structures including being welded into sphere；The hollow hemisphere includes sphere and reinforcing rib, and reinforcing rib is vertically welded in ball interior surface；The reinforcing rib includes broadwise reinforcing rib and waling, orthogonal between the broadwise reinforcing rib and waling；The broadwise reinforcing rib includes the first broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib, and the first broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib radius are sequentially increased.A kind of steel tube tower hollow ball provided by the invention and its welding preparation process, increase the stress demand of hollow ball, and improve the qualification rate of steel tube tower hollow ball welding.
Description
Technical field
The present invention relates to transmission line ball node weld fields, and in particular to a kind of steel tube tower hollow ball and its welding system
Standby technique.
Background technique
With the design application of Zhoushan steel tube tower over strait, hollow ball connection will be widely applied, but hollow ball connection section
Spot welding does not have processing experience in most of steel tower production units, the not formed efficient task instruction scheme of unification, also without borrowing
The institute of mirror.To meet hollow sphere force request, internal densely covered longitude and latitude reinforcing rib, its welding sequence of hollow ball inside reinforcing rib and
The elimination of stress largely determines the quality of sphere, and in terms of stress elimination, common practice cannot ensure stress at present
It eliminates.The equator weld seam welding difficulty of sphere is larger, and since sphere plate thickness is thicker, a large amount of welding increases the surface hardness of sphere
Add, increase the crack sensitivity of weld seam, forms security risk.And the groove problem of sphere does not have the technical support of strength, it is comprehensive
On, with current weld horizontal it is difficult to ensure that first-time qualification rate.
Summary of the invention
Technical problem to be solved of the invention is to provide a kind of steel tube tower hollow ball and its welding preparation process,
The stress demand for increasing hollow ball, ensure that the qualification rate of welding.
The present invention solves above-mentioned technical problem using following technical scheme：
A kind of steel tube tower hollow ball, which is characterized in that the identical hollow hemisphere of two structures including being welded into sphere
Body；
The hollow hemisphere includes sphere and reinforcing rib, and reinforcing rib is vertically welded in ball interior surface；
The reinforcing rib includes broadwise reinforcing rib and waling, between the broadwise reinforcing rib and waling mutually
It is perpendicular；
The broadwise reinforcing rib includes the first broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib, described
First broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib radius are sequentially increased；
The waling includes first longitudinal direction reinforcing rib and second longitudinal direction reinforcing rib, between the first longitudinal direction reinforcing rib
Angle between setting, two neighboring first longitudinal direction reinforcing rib is 30-60 °；The setting of second longitudinal direction reinforcing rib interval, phase
Angle between adjacent two second longitudinal direction reinforcing ribs is 30-60 °.
Further, the first longitudinal direction reinforcing rib and second longitudinal direction reinforcing rib be in the same plane.
Further, the first longitudinal direction reinforcing rib and second longitudinal direction reinforcing rib be not in the same plane
Further, the angle between the two neighboring first longitudinal direction reinforcing rib is 45 °, and described two neighboring second is vertical
It is 45 ° to the angle between reinforcing rib.
The welding preparation process of this steel tube tower hollow ball, includes the following steps：
1) welding preparation：All welding surfaces are processed by shot blasting, until leaking out metallic luster；
2) reinforcing rib welds：Reinforcing rib and hollow hemisphere are subjected to counterpart assembly, welded, the welding of reinforcing rib is suitable
Sequence is followed successively by：First broadwise reinforcing rib, first longitudinal direction reinforcing rib, the second broadwise reinforcing rib, second longitudinal direction reinforcing rib and third latitude
To reinforcing rib, using work carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas shielded arc welding for the welding
Welding wire, welding current 350-360, voltage 35-40；
3) hollow ball welds：
(1) preparing steel hollow hemisphere groove is 30 °, is processed by shot blasting to all welding surfaces, until leaking out metal light
Two hemispheres of steel tube tower hollow ball are carried out counterpart assembly by pool, and confirm soldered position and its edge without pit
And other surface defects；
(2) carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire are the weldering of ￠ 1.2mm gas shielded arc welding by hand first
Silk, welding current 330-350, voltage 35-40；
(3) one layer of layer of air cooling type argon arc welding gun bottom welding is utilized by the way of climbing welding, welding wire selects ￠
2.5mm, JQ.TG50 special welding wire；Tungsten electrode is ￠ 3.2mm, is 20-28L/min when argon flow starts；Argon flow when welding
It is maintained at 20L/min or so, 99.95% or more purity of argon, welding arc voltage electric current is 205-225, speed of welding 70-
80mm/min；
(4) internal capping：Using manual carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas
Welding wire is protected, cover welding electric current is 350-360, voltage 35-40；
(5) external capping：6 cappings are carried out to sphere after room temperature cooling 12h, using manual carbon dioxide and argon when capping
Gas gaseous mixture gas shielded arc welding, welding wire are ￠ 1.2mm welding wire for gas shielded welding, and preceding 5 cover welding electric currents are 330-350, electricity
Pressure is 35-40, and the electric current of last time capping is 350-360, voltage 35-40.
Further, the capping need to carry out sanding and polishing pre-treatment to surface, need to carry out weld seam with low temperature after capping
Tempering.
Further, the low temperature is 20-60 DEG C.
The advantage of the invention is that：
A kind of steel tube tower hollow ball of the present invention, internal densely covered longitude and latitude reinforcing rib, stress-bearing capability are strong；
Its welding of hollow sphere internal stiffeners preparation process improves the quality of sphere in the present invention；While hollow ball
Welding uses bottom argon arc welding, and the method for multilayer capping is realized, in terms of stress elimination, is tempered using room temperature cooling and destressing
The mode combined is realized, the welding defect generated since stress is not eliminated is sufficiently solved, also can preferably solve weld seam due to
The welding defects such as non-penetration caused by bevel angle size.
Detailed description of the invention
Fig. 1 is a kind of 1 schematic diagram of steel tube tower hollow ball embodiment of the present invention；
Fig. 2 is a kind of 1 structure top view of steel tube tower hollow ball embodiment of the present invention；
Fig. 3 is a kind of 1 structure top view of steel tube tower hollow ball embodiment of the present invention.
Specific embodiment
The present invention is described in detail below in conjunction with Detailed description of the invention.
Embodiment 1
A kind of steel tube tower hollow ball, the identical hollow hemisphere of two structures including being welded into sphere；
The hollow hemisphere includes sphere 1 and reinforcing rib 2, and reinforcing rib 2 is vertically welded in 1 interior surface of sphere；
The reinforcing rib 2 include broadwise reinforcing rib 21 and waling 22, the broadwise reinforcing rib 21 with it is longitudinally reinforced
It is orthogonal between muscle 22；
The broadwise reinforcing rib 21 includes that the first broadwise reinforcing rib 211, the second broadwise reinforcing rib 212 and third broadwise are reinforced
Muscle 213, the first broadwise reinforcing rib 211, the second broadwise reinforcing rib 212 and 213 radius of third broadwise reinforcing rib are sequentially increased；
The waling 22 includes first longitudinal direction reinforcing rib 221 and second longitudinal direction reinforcing rib 222, the first longitudinal direction
The interval of reinforcing rib 221 is arranged, and the angle between two neighboring first longitudinal direction reinforcing rib 221 is 45 °；The second longitudinal direction reinforcing rib
222 intervals are arranged, and the angle between two neighboring second longitudinal direction reinforcing rib 222 is 45 °.
The first longitudinal direction reinforcing rib 221 and second longitudinal direction reinforcing rib 222 are in the same plane.
The welding preparation process of this steel tube tower hollow ball, step include：
1) welding preparation：All welding surfaces are processed by shot blasting, until leaking out metallic luster；
2) reinforcing rib welds：Reinforcing rib and hollow hemisphere are subjected to counterpart assembly, welded, the welding of reinforcing rib is suitable
Sequence is followed successively by：First broadwise reinforcing rib, first longitudinal direction reinforcing rib, the second broadwise reinforcing rib, second longitudinal direction reinforcing rib and third latitude
To reinforcing rib, using work carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas shielded arc welding for the welding
Welding wire, welding current 350, voltage 35；
3) hollow ball welds：
(1) preparing steel hollow hemisphere groove is 30 °, is processed by shot blasting to all welding surfaces, until leaking out metal light
Two hemispheres of steel tube tower hollow ball are carried out counterpart assembly by pool, and confirm soldered position and its edge without pit
And other surface defects；
(2) carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire are the weldering of ￠ 1.2mm gas shielded arc welding by hand first
Silk, welding current 330, voltage 35；
(3) one layer of layer of air cooling type argon arc welding gun bottom welding is utilized by the way of climbing welding, welding wire selects ￠
2.5mm, JQ.TG50 special welding wire；Tungsten electrode is ￠ 3.2mm, is 20L/min when argon flow starts；Argon flow is protected when welding
It holds in 20L/min or so, 99.95% or more purity of argon, welding arc voltage electric current is 205, speed of welding 70mm/min；
(4) internal capping：Using manual carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas
Welding wire is protected, cover welding electric current is 350, voltage 35；
(5) external capping：6 cappings are carried out to sphere after room temperature cooling 12h, using manual carbon dioxide and argon when capping
Gas gaseous mixture gas shielded arc welding, welding wire are ￠ 1.2mm welding wire for gas shielded welding, and preceding 5 cover welding electric currents are 330, and voltage is
35, the electric current of last time capping is 350, voltage 35-40.
Capping need to carry out sanding and polishing pre-treatment to surface, need to carry out tempering to weld seam with 20 DEG C after capping.
Embodiment 2
A kind of steel tube tower hollow ball, the identical hollow hemisphere of two structures including being welded into sphere, i.e. left hemisphere
Body 10 and right hemisphere 20；
The hollow hemisphere includes sphere 1 and reinforcing rib 2, and reinforcing rib 2 is vertically welded in 1 interior surface of sphere；
The reinforcing rib 2 include broadwise reinforcing rib 21 and waling 22, the broadwise reinforcing rib 21 with it is longitudinally reinforced
It is orthogonal between muscle 22；
The broadwise reinforcing rib 21 includes that the first broadwise reinforcing rib 211, the second broadwise reinforcing rib 212 and third broadwise are reinforced
Muscle 213, the first broadwise reinforcing rib 211, the second broadwise reinforcing rib 212 and 213 radius of third broadwise reinforcing rib are sequentially increased；
The waling 22 includes first longitudinal direction reinforcing rib 221 and second longitudinal direction reinforcing rib 222, the first longitudinal direction
The interval of reinforcing rib 221 is arranged, and the angle between two neighboring first longitudinal direction reinforcing rib 221 is 45 °；The second longitudinal direction reinforcing rib
222 intervals are arranged, and the angle between two neighboring second longitudinal direction reinforcing rib 222 is 45 °.
The first longitudinal direction reinforcing rib 221 and second longitudinal direction reinforcing rib 222 are not in the same plane.
The welding preparation process of this steel tube tower hollow ball, step include：
1) welding preparation：All welding surfaces are processed by shot blasting, until leaking out metallic luster；
2) reinforcing rib welds：Reinforcing rib and hollow hemisphere are subjected to counterpart assembly, welded, the welding of reinforcing rib is suitable
Sequence is followed successively by：First broadwise reinforcing rib, first longitudinal direction reinforcing rib, the second broadwise reinforcing rib, second longitudinal direction reinforcing rib and third latitude
To reinforcing rib, using work carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas shielded arc welding for the welding
Welding wire, welding current 360, voltage 40；
3) hollow ball welds：
(1) preparing steel hollow hemisphere groove is 30 °, is processed by shot blasting to all welding surfaces, until leaking out metal light
Two hemispheres of steel tube tower hollow ball are carried out counterpart assembly by pool, and confirm soldered position and its edge without pit
And other surface defects；
(2) carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire are the weldering of ￠ 1.2mm gas shielded arc welding by hand first
Silk, welding current 350, voltage 40；
(3) one layer of layer of air cooling type argon arc welding gun bottom welding is utilized by the way of climbing welding, welding wire selects ￠
2.5mm, JQ.TG50 special welding wire；Tungsten electrode is ￠ 3.2mm, is 28L/min when argon flow starts；Argon flow is protected when welding
It holds in 20L/min or so, 99.95% or more purity of argon, welding arc voltage electric current is 225, speed of welding 80mm/min；
(4) internal capping：Using manual carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire is ￠ 1.2mm gas
Welding wire is protected, cover welding electric current is 360, voltage 40；
(5) external capping：6 cappings are carried out to sphere after room temperature cooling 12h, using manual carbon dioxide and argon when capping
Gas gaseous mixture gas shielded arc welding, welding wire are ￠ 1.2mm welding wire for gas shielded welding, and preceding 5 cover welding electric currents are 350, and voltage is
40, the electric current of last time capping is 360, voltage 40.
Capping need to carry out sanding and polishing pre-treatment to surface, need to carry out tempering to weld seam with 60 DEG C after capping.
The integral solder work to ball docking is completed after capping, behind under room temperature natural cooling 26 hours,
Ultrasonic flaw detection is carried out to weld seam, through carrying out flaw detection, the first-order weld qualification rate of whole equator weld seam is high.
This steel tube tower hollow ball, internal densely covered longitude and latitude reinforcing rib, stress-bearing capability are strong；Hollow ball inside reinforcing rib its
Welding preparation process improves the quality of sphere, while welding has been effectively ensured in the welding procedure of this steel tube tower hollow ball
First-time qualification rate prevents from eliminating defect and leading to the generation of other defect, significant increase working efficiency and quality level.In the present
There is very big reference function in the weld job of hollow ball afterwards, also can preferably apply to the welding of other welding workpieces.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention within the spirit and principle of innovation and creation
Protection scope within.
Claims (7)
1. a kind of steel tube tower hollow ball, which is characterized in that two structures including being welded into sphere are identical
Hollow hemisphere；
The hollow hemisphere includes sphere and reinforcing rib, and reinforcing rib is vertically welded in ball interior surface；
The reinforcing rib includes broadwise reinforcing rib and waling, the broadwise reinforcing rib and waling
Between it is orthogonal；
The broadwise reinforcing rib includes the first broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib,
The first broadwise reinforcing rib, the second broadwise reinforcing rib and third broadwise reinforcing rib radius are sequentially increased；
The waling includes first longitudinal direction reinforcing rib and second longitudinal direction reinforcing rib, and the first longitudinal direction adds
Strengthening tendons interval is arranged, and the angle between two neighboring first longitudinal direction reinforcing rib is 30-60 °；The second longitudinal direction reinforcing rib
Interval is arranged, and the angle between two neighboring second longitudinal direction reinforcing rib is 30-60 °.
2. a kind of steel tube tower hollow ball according to claim 1, which is characterized in that described first is vertical
In the same plane to reinforcing rib and second longitudinal direction reinforcing rib.
3. a kind of steel tube tower hollow ball according to claim 1, which is characterized in that described first is vertical
Not in the same plane to reinforcing rib and second longitudinal direction reinforcing rib.
4. a kind of steel tube tower hollow ball according to claim 1, which is characterized in that described adjacent two
Angle between a first longitudinal direction reinforcing rib is 45 °, and the angle between the two neighboring second longitudinal direction reinforcing rib is
45°。
5. a kind of a kind of such as described in any item welding preparation processes of steel tube tower hollow ball of claim 1-4,
It is characterized by comprising the following steps：
1）Welding preparation：All welding surfaces are processed by shot blasting, until leaking out metallic luster；
2）Reinforcing rib welding：Reinforcing rib and hollow hemisphere are subjected to counterpart assembly, welded, reinforcing rib
Welding sequence be followed successively by：First broadwise reinforcing rib, first longitudinal direction reinforcing rib, the second broadwise reinforcing rib,
Two walings and third broadwise reinforcing rib, the welding is using work carbon dioxide and argon gas gaseous mixture gas
Protection weldering, welding wire are ￠ 1.2mm welding wire for gas shielded welding, welding current 350-360, voltage 35-40；
3）Hollow ball welding：
（1）Preparing steel hollow hemisphere groove is 30 °, is processed by shot blasting to all welding surfaces, until leakage
Two hemispheres of steel tube tower hollow ball carry out counterpart assembly by metallic luster out, and confirm and be soldered
Position and its edge are without pit and other surface defects；
（2）Carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire are ￠ 1.2mm gas by hand first
Protect welding wire, welding current 330-350, voltage 35-40；
（3）One layer of layer of air cooling type argon arc welding gun bottom welding, welding wire choosing are utilized by the way of climbing welding
With ￠ 2.5mm, JQ.TG50 special welding wire；Tungsten electrode is ￠ 3.2mm, is 20-28L/min when argon flow starts；Welding
When argon flow be maintained at 20L/min or so, 99.95% or more purity of argon, welding arc voltage electric current is 205-225, weldering
Connecing speed is 70-80mm/min；
（4）Internal capping：Using manual carbon dioxide and argon gas gaseous mixture gas shielded arc welding, welding wire ￠
1.2mm welding wire for gas shielded welding, cover welding electric current are 350-360, voltage 35-40；
（5）External capping：6 cappings are carried out to sphere after room temperature cooling 12h, using by hand two when capping
Carbonoxide and argon gas gaseous mixture gas shielded arc welding, welding wire are ￠ 1.2mm welding wire for gas shielded welding, preceding 5 cover weldings
Electric current is 330-350, and voltage 35-40, the electric current of last time capping is 350-360, voltage 35-40.
6. a kind of welding preparation process of steel tube tower hollow ball, feature according to claim 5 exist
In the capping need to carry out sanding and polishing pre-treatment to surface, need to be tempered weld seam with low temperature after capping
Processing.
7. a kind of steel tube tower hollow ball according to claim 6 and its welding preparation process, described low
Temperature is 20-60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611513.4A CN108856985A (en) | 2018-06-14 | 2018-06-14 | A kind of steel tube tower hollow ball and its welding preparation process |
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|---|---|---|---|
| CN201810611513.4A CN108856985A (en) | 2018-06-14 | 2018-06-14 | A kind of steel tube tower hollow ball and its welding preparation process |
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| CN108856985A true CN108856985A (en) | 2018-11-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370881A (en) * | 2019-07-31 | 2019-10-25 | 天人汽车底盘（芜湖）股份有限公司 | A kind of molding high-strength vehicle torsion beam of thermoforming steel making |
| CN112238283A (en) * | 2020-10-26 | 2021-01-19 | 广州增立钢管结构股份有限公司 | Tower sphere equator seam welding process |
| CN116220195A (en) * | 2023-05-08 | 2023-06-06 | 山西六建集团有限公司 | Welded hollow ball joint and processing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110370881A (en) * | 2019-07-31 | 2019-10-25 | 天人汽车底盘（芜湖）股份有限公司 | A kind of molding high-strength vehicle torsion beam of thermoforming steel making |
| CN112238283A (en) * | 2020-10-26 | 2021-01-19 | 广州增立钢管结构股份有限公司 | Tower sphere equator seam welding process |
| CN112238283B (en) * | 2020-10-26 | 2022-06-24 | 广州增立钢管结构股份有限公司 | Tower sphere equator seam welding process |
| CN116220195A (en) * | 2023-05-08 | 2023-06-06 | 山西六建集团有限公司 | Welded hollow ball joint and processing method thereof |
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Application publication date: 20181123 |