CN103769782A - Method for welding longitudinal powerful materials of ultra-large container ship - Google Patents
Method for welding longitudinal powerful materials of ultra-large container ship Download PDFInfo
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- CN103769782A CN103769782A CN201410051213.7A CN201410051213A CN103769782A CN 103769782 A CN103769782 A CN 103769782A CN 201410051213 A CN201410051213 A CN 201410051213A CN 103769782 A CN103769782 A CN 103769782A
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- welding
- buttcover plate
- longitudinal
- plate
- container ship
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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
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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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for welding longitudinal powerful materials of an ultra-large container ship. Bevelling treatment is performed on one side of a welding end of an abutting plate, an included angle of 15 degrees is formed between a bevelling surface and the side surface of the abutting plate, the thickness value of the bottom of the abutting plate subjected to bevelling is 0.7 times of the original thickness value of the abutting plate, and the welding end of the abutting plate is welded and fixed with a connecting plate in a deep penetration welding mode. The invention discloses the method for welding the longitudinal powerful materials of the ultra-large container ship, under the condition that the total longitudinal strength, the torsional strength and the local strength of a ship body are not influenced, the use amount of consumed materials is reduced, and consumed time is reduced.
Description
Technical field
The present invention relates to a kind of Ship Welding method, relate in particular to the welding method between the longitudinal powerful portion of a kind of oversized container ship material.
Background technology
Boats and ships are as a spring beam riding the sea, while travelling in wave, wave Wave crest and wave trough alternately easily hull vertical structure is caused to deformation effect, for general boats and ships, it under common loading condition, is hogging condition, in the time of steaming head to sea against the wind, if the crest of marine wave or trough are in ship, due to the longitudinal skewness weighing apparatus due to gravity and buoyancy, can make boats and ships produce the large hogging of religion or in the distortion of hanging down, produce larger longitudinal bending, the longitudinal part material of boats and ships opposing longitudinal bending is just longitudinal powerful portion material, this mainly comprises upper deck, outside plate, longitudinal bulkhead, inner bottom plating and on longitudinal rail etc., and the upper deck of container ship is owing to existing large hatch opening discontinuous, its longitudinal strength may not met, adopt exactly high strength steel in order to strengthen the topmost way of longitudinal strength, increase upper deck simultaneously, longitudinally hatch coaming wallboard, the thickness of longitudinal powerful portion materials such as longitudinal bulkhead plate, improve boats and ships natural axis with this, increase the upper limb modulus of section.
The upper deck at van container hull middle part now, longitudinal bulkhead, longitudinally continuous hatch encloses the extremely thick high strength steel plate that all adopts thickness to be greater than 60mm, and adopt each other welded corner joint mode, but in the standard of present each classification society, the leg to welded corner joint and weldering are shouted all and are had and explicitly call for, so extremely thick high strength steel plate welds in order to meet code requirement, just need a large amount of solder flux, and welding capacity is very large, so how to reduce the welding capacity of the longitudinal strong structure of boats and ships, enhance productivity, and still meet related specifications require be a problem solving.
Summary of the invention
The object of the invention is to overcome the defect of prior art, the welding method of the longitudinal powerful portion of a kind of oversized container ship material is provided, be applicable in the longitudinal strong structure of Large Container Ship, the upper sheer strake of upper deck and outside plate, upper deck and longitudinal bulkhead, the welding between upper deck and longitudinally continuous hatch enclose.
For achieving the above object, the present invention proposes following technical scheme:
A welding method for the longitudinal powerful portion of oversized container ship material, described longitudinal part material comprises buttcover plate and connecting plate, specifically comprises the steps:
A. a side of buttcover plate welding ends is cut to oblique processing, and cut inclined-plane and become 15 ° of angles with buttcover plate side, buttcover plate bottom thickness value and buttcover plate original thickness value coincidence formula t1=0.7t after cutting tiltedly, wherein t1 is buttcover plate bottom thickness after cutting tiltedly, t is buttcover plate original thickness;
B. the buttcover plate welding ends in above-mentioned steps a is vertically fixed on described connecting plate solder side, and by the mode of deep penetration welding, buttcover plate and mother metal is welded and fixed, and to guarantee to weld rear weldering larynx thickness be 0.4 times of buttcover plate original thickness.
Described buttcover plate is the thickening type high strength steel plate that thickness is greater than 60mm.
Compared with prior art, the welding method of the longitudinal powerful portion of the oversized container ship material that the present invention discloses, by the welding ends of extremely thick buttcover plate is necessarily cut to oblique processing, carry out again penetration fustion welding, do not affect standard to overall longitudinal strength of hull, under the requirement of torsional strength and local strength, reducing greatly solder flux use amount, and while having reduced Welder, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is welding schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, the technical scheme of the embodiment of the present invention is carried out to clear, complete description.
The welding method of the disclosed longitudinal powerful portion of oversized container ship material, mainly be useful within the scope of swollen 0.6 captain of portion of Large Container Ship the upper sheer strake of upper deck and outside plate in longitudinal powerful portion material, upper deck and longitudinal bulkhead, welding between upper deck and longitudinally continuous hatch enclose, wherein longitudinally hatch coaming and longitudinal bulkhead weld respectively and upper surface and the lower surface of upper deck, described upper deck side end face is welded on the upper sheer strake of outside plate, is specifically described welding process below:
1) by longitudinal bulkhead upper end and the welding of upper deck lower surface, now longitudinal bulkhead is buttcover plate, upper deck is connecting plate, one side of longitudinal bulkhead welding ends is carried out to 15 ° cuts tiltedly, longitudinal bulkhead after simultaneously guaranteeing to cut tiltedly welds 0.7 times that end thickness is original thickness, again longitudinal bulkhead welding ends is fixed on to the welding position of upper deck lower surface, carries out welded corner joint by the mode of deep penetration welding;
2) by longitudinal hatch coaming lower end and the welding of upper deck upper surface, now longitudinally hatch coaming is buttcover plate, upper deck is connecting plate, one side of longitudinal hatch coaming welding ends is carried out to 15 ° cuts tiltedly, longitudinal hatch coaming after simultaneously guaranteeing to cut tiltedly welds 0.7 times that end thickness is original thickness, again longitudinal hatch coaming welding ends is fixed on to the welding position of upper deck lower surface, carries out welded corner joint by the mode of deep penetration welding;
3) upper deck side end face and upper sheer strake are welded, now upper deck is buttcover plate, upper sheer strake is connecting plate, one side of upper deck welding ends is carried out to 15 ° cuts tiltedly, upper deck after simultaneously guaranteeing to cut tiltedly welds 0.7 times that end thickness is original thickness, again upper deck welding ends is fixed on to welding position on upper sheer strake, carries out welded corner joint by the mode of deep penetration welding.
With the example that is welded as of longitudinal hatch coaming and upper deck, this welding method and traditional welding are specifically compared below:
As shown in Figure 1, the length L=500m of selected longitudinal hatch coaming 1, width D=70mm, thus welded corner joint weldering larynx thickness H is 28mm
Mode one: the side to longitudinal hatch coaming 1 lower end is cut oblique processing, then on a welding upper deck 2, wherein cut rake angle A=15 °, lower end width D 1=49mm, finally expends wlding 3t, 840h consuming time.
Mode one: directly longitudinal hatch coaming 1 lower end is welded on upper deck 2 upper surfaces with common deep penetration welding, finally expends consumptive material 4.5t, 1260h consuming time.
Can be drawn by above-mentioned contrast, the welding method in the present invention can shorten weld interval greatly, reduces the use amount of wlding.
Technology contents of the present invention and technical characterictic have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present invention and announcements and are done all replacement and modifications that does not deviate from spirit of the present invention; therefore; protection domain of the present invention should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present invention and modifications, and contained by present patent application claim.
Claims (2)
1. a welding method for the longitudinal powerful portion of oversized container ship material, is characterized in that: described longitudinal part material comprises buttcover plate and connecting plate, specifically comprises the steps:
A. a side of buttcover plate welding ends is cut to oblique processing, and cut inclined-plane and become 15 ° of angles with buttcover plate side, buttcover plate bottom thickness value and buttcover plate original thickness value coincidence formula t1=0.7t after cutting tiltedly, wherein t1 is buttcover plate bottom thickness after cutting tiltedly, t is buttcover plate original thickness;
B. the buttcover plate welding ends in above-mentioned steps a is vertically fixed on described connecting plate solder side, and by the mode of deep penetration welding, buttcover plate and connecting plate is welded and fixed, and to guarantee to weld rear weldering larynx thickness be 0.4 times of buttcover plate original thickness.
2. the welding method of the longitudinal powerful portion of a kind of oversized container ship according to claim 1 material, is characterized in that: described buttcover plate is the thickening type high strength steel plate that thickness is greater than 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051213.7A CN103769782B (en) | 2014-02-14 | 2014-02-14 | The welding method of a kind of super-container vessel longitudinal powerful portion material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051213.7A CN103769782B (en) | 2014-02-14 | 2014-02-14 | The welding method of a kind of super-container vessel longitudinal powerful portion material |
Publications (2)
| Publication Number | Publication Date |
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| CN103769782A true CN103769782A (en) | 2014-05-07 |
| CN103769782B CN103769782B (en) | 2015-10-07 |
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| CN201410051213.7A Active CN103769782B (en) | 2014-02-14 | 2014-02-14 | The welding method of a kind of super-container vessel longitudinal powerful portion material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877504A (en) * | 2019-04-19 | 2019-06-14 | 杜宗英 | Ship welds longitudinal parallel muscle ancillary equipment with heavy steel plate |
| CN110937079A (en) * | 2019-10-24 | 2020-03-31 | 上海江南长兴造船有限责任公司 | Double-layer bottom box position precision control method for large container ship |
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| JPS6137372A (en) * | 1984-07-27 | 1986-02-22 | Nippon Steel Corp | Both-side fillet welding method |
| CN1175927A (en) * | 1995-02-16 | 1998-03-11 | 芬地亚普罗菲勒公司 | Plate web and profile element |
| CN1457280A (en) * | 2001-02-19 | 2003-11-19 | 日立建机株式会社 | Welding method, welding device, welded joint and welded structure |
| CN101464248A (en) * | 2008-12-18 | 2009-06-24 | 山东大学 | Method for detecting high-strength steel fillet welding joint performance |
| CN101687267A (en) * | 2007-10-12 | 2010-03-31 | 日立建机株式会社 | Welding method for t-joint |
| CN102721742A (en) * | 2012-06-21 | 2012-10-10 | 中铁宝桥（扬州）有限公司 | Ultrasonic flaw detection method of weld joint at U-shaped angle of rib of steel bridge plate unit |
| KR101279647B1 (en) * | 2012-02-27 | 2013-06-26 | 대우조선해양 주식회사 | Welding method for securing deep penetration on fillet joint |
-
2014
- 2014-02-14 CN CN201410051213.7A patent/CN103769782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137372A (en) * | 1984-07-27 | 1986-02-22 | Nippon Steel Corp | Both-side fillet welding method |
| CN1175927A (en) * | 1995-02-16 | 1998-03-11 | 芬地亚普罗菲勒公司 | Plate web and profile element |
| CN1457280A (en) * | 2001-02-19 | 2003-11-19 | 日立建机株式会社 | Welding method, welding device, welded joint and welded structure |
| CN101687267A (en) * | 2007-10-12 | 2010-03-31 | 日立建机株式会社 | Welding method for t-joint |
| CN101464248A (en) * | 2008-12-18 | 2009-06-24 | 山东大学 | Method for detecting high-strength steel fillet welding joint performance |
| KR101279647B1 (en) * | 2012-02-27 | 2013-06-26 | 대우조선해양 주식회사 | Welding method for securing deep penetration on fillet joint |
| CN102721742A (en) * | 2012-06-21 | 2012-10-10 | 中铁宝桥（扬州）有限公司 | Ultrasonic flaw detection method of weld joint at U-shaped angle of rib of steel bridge plate unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877504A (en) * | 2019-04-19 | 2019-06-14 | 杜宗英 | Ship welds longitudinal parallel muscle ancillary equipment with heavy steel plate |
| CN110937079A (en) * | 2019-10-24 | 2020-03-31 | 上海江南长兴造船有限责任公司 | Double-layer bottom box position precision control method for large container ship |
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| CN103769782B (en) | 2015-10-07 |
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| CB03 | Change of inventor or designer information |
Inventor after: Mo Zhonghua Inventor after: Yang Shangjian Inventor after: Pan Zhiyuan Inventor after: Wen Yuanjun Inventor before: Yang Shangjian Inventor before: Pan Zhiyuan Inventor before: Wen Yuanjun |
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Address after: No. 901 Changjiang Road, Nantong, Jiangsu, Jiangsu Patentee after: Nantong Kawasaki COSCO Marine Engineering Company Limited Address before: 226000 Jiangsu Province, Nantong City Linjiang Road No. 117 Patentee before: Nantong COSCO KHI Ship Engineering Co.,Ltd. |
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