CN109202316A - A kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel - Google Patents
A kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel Download PDFInfo
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- CN109202316A CN109202316A CN201811080950.4A CN201811080950A CN109202316A CN 109202316 A CN109202316 A CN 109202316A CN 201811080950 A CN201811080950 A CN 201811080950A CN 109202316 A CN109202316 A CN 109202316A
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- stainless steel
- oil suction
- welding
- suction well
- steel oil
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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
- 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
- B23K31/003—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 controlling of welding distortion
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to Ship Welding technology fields, it discloses a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel, the inclined stainless steel oil suction well includes the container of the upper opening surrounded by quadrangular bottom plate, four side plates being connected on the quadrangular bottom plate, four side plates include front side board, back side panel, left plate, right side plate, and the front side board, back side panel, left plate, right side plate are obliquely installed outward relative to the bottom plate；The assembling and welding process includes the welding procedure qualification test of step 1, the simulation soldering test preparation of step 2, the simulation soldering test of step 3, the simulation soldering test of step 4 are evaluated, the welding procedure specification (WPS) of step 5 is worked out, the welding equipment of the inclined stainless steel oil suction well of step 6.The present invention can reduce the liquid residue amount of oil suction bottom and improve the reliability of welding procedure.
Description
Technical field
The present invention relates to Ship Welding technology fields, and in particular to a kind of welding equipment of inclined stainless steel oil suction well peculiar to vessel
Technique.
Background technique
In shipbuilding industry, general oil suction well is all the inner bottom plating using hull steel, on body section using box body
Face aperture, and form inner bottom plating hatch frame face and carry out cabinet welding equipment.The oil suction well of this structure, in the top bore of oil suction well
In the case where size constancy, the liquid residue amount of oil suction bottom is larger.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel, it is intended to the greatest extent
Amount reduces the liquid residue amount of oil suction bottom and improves the reliability of welding procedure.Specific technical solution is as follows:
A kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel, the inclined stainless steel oil suction well includes by quadrangle bottom
The container for the upper opening that plate, four side plates being connected on the quadrangular bottom plate are surrounded, four side plates include
Front side board, back side panel, left plate, right side plate, the front side board, back side panel, left plate, right side plate are outside relative to the bottom plate
Side is obliquely installed；The assembling and welding process comprises the technical steps that:
One of step 1, preparatory process: according to the plate thickness and material of the inclined stainless steel oil suction well of required welding, into
Row welding procedure qualification test, and welding condition is obtained according to qualified welding procedure qualification test result, using the weldering
It connects technological parameter and works up preliminary welding procedure specification (WPS)；
The two of step 2, preparatory process: the welded specimen positioning tool of preparation simulation soldering test, while preparing several
The welded specimen of quantity, the welded specimen include the first test side plate, the second test side plate and test bottom plate；
Step 3, simulation soldering test: welded specimen positioning tool is used, the welded specimen is positioned and implemented
Butt welding, the butt-welded angles and positions simulate side plate and side plate, side plate and bottom in inclined stainless steel oil suction well
Butt-welded angles and positions between plate, the butt-welded technological procedure is using the preliminary welding procedure in step 3
Regulation；
Step 4, simulation soldering test evaluation: evaluating simulation soldering test, does not conform in simulation soldering test evaluation
Optimizing welding process parameter in the case where lattice, and simulation soldering test is re-started according to optimizing welding process parameter, until
To qualified soldering test evaluation result and corresponding welding condition；
Step 5, the qualified soldering test evaluation result and corresponding welding condition obtained according to step 4, are worked out
Final welding procedure specification (WPS) out；
Step 6, using final welding procedure specification (WPS), implement the welding equipment of inclined stainless steel oil suction well.
Different from conventional oil suction well welding equipment, oil suction well splices shaft bottom using S316L stainless steel in the present invention, then is embedded in ship
Body is segmented in inner bottom plating, and forming splicing seams is inclined welding equipment structure.Being using inclined stainless steel oil suction well advantage peculiar to vessel can be as far as possible
Reduce the liquid residue amount of oil suction bottom.However inclined stainless steel oil suction well welding equipment is required precision height and weld seam there are difficulty
For 30 ° of inclination and 45 ° of weld seams of flanging, wherein weld seam is welding, stainless steel and the low-alloy steel dissimilar steel peculiar to vessel between having stainless steel
Welding and low-alloy steel peculiar to vessel are using the filling welding of stainless steel wlding.For this reason, it may be necessary to reasonable welding procedure specification (WPS) is worked up, with
Solve above-mentioned welding problem.The present invention obtains preliminary welding procedure specification (WPS) by welding procedure qualification test, then passes through simulation weldering
It connects test evaluation and obtains final welding procedure specification (WPS), which thereby enhance the reliability of welding procedure.
One of as a preferred solution of the present invention, the inclined stainless steel oil suction well using three-dimensional modeling obtain front side board,
Back side panel, left plate, right side plate and bottom plate sheet-metal unfolding figure, and the front side board, back side panel, left plate, right side plate and bottom
Plate uses Numerical control cutting blanking.
Preferably, in the three-dimensional modeling of the inclined stainless steel oil suction well, inclined stainless steel oil suction well and body section
The three-dimensional modeling size of butted part is to be adapted to be obtained according to the actual measurement connection size on body section.
In the three-dimensional modeling of above-mentioned inclined stainless steel oil suction well, inclined stainless steel oil suction well and body section butted part
Three-dimensional modeling size be adapted to according to according to the actual measurement connection size on body section, effectively increase inclined stainless steel suction
The merging precision of oil well and body section drastically reduces docking compared with the docking mode of routine in the prior art
The correction amount (including carbon plane and polishing workload) at place, it is possible thereby to reduce the labor intensity of operator, reduces welding deformation
And internal stress, improve the efficiency of welding equipment.
Preferably, the actual measurement connection size on the body section is provided with correcting margin, the inclined stainless steel oil suction
The three-dimensional modeling size of well and body section butted part is free of correcting margin.
The connection dimension of inclined stainless steel oil suction well has carried out appropriate adjustment, ship by adaptation when due to three-dimensional modeling
Correcting margin in body segmentation can be set smaller by even zero.
As a preferred solution of the present invention two, the preparatory process of the step 2 two in, the welded specimen further includes
Simulate the test gusset of inclined stainless steel oil suction well back side gusset welding；The simulation soldering test of the step 3 includes test muscle
The overhead welding butt welding of plate and test bottom plate is tested.
In view of inclined stainless steel oil suction well back side gusset is welded as welding in the overhead position, welding position is poor, therefore the present invention is in mould
In quasi- soldering test, carries out test gusset and test the overhead welding butt welding test and evaluation of bottom plate, advantageously ensure that overhead welding
Quality.
In the present invention, the material of the inclined stainless steel oil suction well is S316L stainless steel plate, the ship it is stainless with inclined
Subsection hull material at steel oil suction well docking is AH36 hull high strength structure plate.
The beneficial effects of the present invention are:
First, a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel of the invention is protected by special assembling and welding process
The quality for having demonstrate,proved inclined stainless steel oil suction well peculiar to vessel, can reduce the liquid residue amount of oil suction bottom to the greatest extent.
Second, a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel of the invention passes through welding procedure qualification test
Preliminary welding procedure specification (WPS) is obtained, then evaluates to obtain final welding procedure specification (WPS) by simulating soldering test, which thereby enhances weldering
Connect the reliability of technique.
Third, a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel of the invention, inclined stainless steel oil suction well with
The three-dimensional modeling size of body section butted part is adapted to according to according to the actual measurement connection size on body section, is effectively mentioned
The high merging precision of inclined stainless steel oil suction well and body section, compared with conventional docking mode in the prior art,
The correction amount (including carbon plane and polishing workload) at docking is drastically reduced, it is possible thereby to which the labour for reducing operator is strong
Degree reduces welding deformation and internal stress, improves the efficiency of welding equipment.
4th, a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel of the invention carries out in simulation soldering test
It tests gusset and tests the overhead welding butt welding test and evaluation of bottom plate, advantageously ensure that the quality of overhead welding.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of inclined stainless steel oil suction well peculiar to vessel of the invention.
In figure: 1, front side board, 2, back side panel, 3, left plate, 4, right side plate, 5, bottom plate, 6, body section (inner bottom plating).
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
It is as shown in Figure 1 a kind of assembling and welding process embodiment of inclined stainless steel oil suction well peculiar to vessel of the invention, the inclined
Stainless steel oil suction well includes being opened by the top that quadrangular bottom plate 5, four side plates being connected on the quadrangular bottom plate 5 are surrounded
The container of mouth, four side plates include front side board 1, back side panel 2, left plate 3, right side plate 4, the front side board 1, back side panel
2, left plate 3, right side plate 4 are obliquely installed outward relative to the bottom plate 5；The assembling and welding process comprises the technical steps that:
One of step 1, preparatory process: according to the plate thickness and material of the inclined stainless steel oil suction well of required welding, into
Row welding procedure qualification test, and welding condition is obtained according to qualified welding procedure qualification test result, using the weldering
It connects technological parameter and works up preliminary welding procedure specification (WPS)；
The two of step 2, preparatory process: the welded specimen positioning tool of preparation simulation soldering test, while preparing several
The welded specimen of quantity, the welded specimen include the first test side plate, the second test side plate and test bottom plate；
Step 3, simulation soldering test: welded specimen positioning tool is used, the welded specimen is positioned and implemented
Butt welding, the butt-welded angles and positions simulate side plate and side plate, side plate and bottom in inclined stainless steel oil suction well
Butt-welded angles and positions between plate, the butt-welded technological procedure is using the preliminary welding procedure in step 3
Regulation；
Step 4, simulation soldering test evaluation: evaluating simulation soldering test, does not conform in simulation soldering test evaluation
Optimizing welding process parameter in the case where lattice, and simulation soldering test is re-started according to optimizing welding process parameter, until
To qualified soldering test evaluation result and corresponding welding condition；
Step 5, the qualified soldering test evaluation result and corresponding welding condition obtained according to step 4, are worked out
Final welding procedure specification (WPS) out；
Step 6, using final welding procedure specification (WPS), implement the welding equipment of inclined stainless steel oil suction well.
Different from conventional oil suction well welding equipment, oil suction well splices shaft bottom using S316L stainless steel in the present embodiment, then is embedded in
In body section inner bottom plating, forming splicing seams is inclined welding equipment structure.Being using inclined stainless steel oil suction well advantage peculiar to vessel can be to the greatest extent
Amount reduces cargo tank welded seam area residual value.However inclined stainless steel oil suction well welding equipment is required precision height and weld seam there are difficulty
For 30 ° of inclination and 45 ° of weld seams of flanging, wherein weld seam is welding, stainless steel and the low-alloy steel dissimilar steel peculiar to vessel between having stainless steel
Welding and low-alloy steel peculiar to vessel are using the filling welding of stainless steel wlding.For this reason, it may be necessary to reasonable welding procedure specification (WPS) is worked up, with
Solve above-mentioned welding problem.The present embodiment obtains preliminary welding procedure specification (WPS) by welding procedure qualification test, then passes through simulation
Soldering test is evaluated to obtain final welding procedure specification (WPS), which thereby enhances the reliability of welding procedure.
One of preferred embodiment as the present embodiment, the inclined stainless steel oil suction well obtain front side using three-dimensional modeling
Plate, back side panel, left plate, right side plate and bottom plate sheet-metal unfolding figure, and the front side board, back side panel, left plate, right side plate and
Bottom plate uses Numerical control cutting blanking.
Preferably, in the three-dimensional modeling of the inclined stainless steel oil suction well, inclined stainless steel oil suction well and body section
The three-dimensional modeling size of butted part is to be adapted to be obtained according to the actual measurement connection size on body section.
In the three-dimensional modeling of above-mentioned inclined stainless steel oil suction well, inclined stainless steel oil suction well and body section butted part
Three-dimensional modeling size be adapted to according to according to the actual measurement connection size on body section, effectively increase inclined stainless steel suction
The merging precision of oil well and body section drastically reduces docking compared with the docking mode of routine in the prior art
The correction amount (including carbon plane and polishing workload) at place, it is possible thereby to reduce the labor intensity of operator, reduces welding deformation
And internal stress, improve the efficiency of welding equipment.
Preferably, the actual measurement connection size on the body section is provided with correcting margin, the inclined stainless steel oil suction
The three-dimensional modeling size of well and body section butted part is free of correcting margin.
The connection dimension of inclined stainless steel oil suction well has carried out appropriate adjustment, ship by adaptation when due to three-dimensional modeling
Correcting margin in body segmentation can be set smaller by even zero.
Two of preferred embodiment as the present embodiment, the preparatory process of the step 2 two in, the welded specimen also wraps
Include the test gusset of simulation inclined stainless steel oil suction well back side gusset welding；The simulation soldering test of the step 3 includes test
The overhead welding butt welding of gusset and test bottom plate is tested.
In view of inclined stainless steel oil suction well back side gusset is welded as welding in the overhead position, welding position is poor, therefore the present embodiment exists
It simulates in soldering test, carry out test gusset and tests the overhead welding butt welding test and evaluation of bottom plate, advantageously ensure that overhead welding
Quality.
In the present embodiment, the material of the inclined stainless steel oil suction well is S316L stainless steel plate, the ship with inclined not
Subsection hull material at rust steel oil suction well docking is AH36 hull high strength structure plate.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel, which is characterized in that the inclined stainless steel oil suction well includes
By the container for the upper opening that quadrangular bottom plate, four side plates being connected on the quadrangular bottom plate are surrounded, described four
A side plate includes front side board, back side panel, left plate, right side plate, and the front side board, back side panel, left plate, right side plate are relative to institute
Bottom plate is stated to be obliquely installed outward；The assembling and welding process comprises the technical steps that:
One of step 1, preparatory process: it according to the plate thickness and material of the inclined stainless steel oil suction well of required welding, is welded
Testing new process is connect, and welding condition is obtained according to qualified welding procedure qualification test result, using the Welder
Skill parameter works up preliminary welding procedure specification (WPS)；
The two of step 2, preparatory process: the welded specimen positioning tool of preparation simulation soldering test, while preparing a number of
Welded specimen, the welded specimen include first test side plate, second test side plate and test bottom plate；
Step 3, simulation soldering test: welded specimen positioning tool is used, the welded specimen is positioned and implements to dock
Welding, side plate and side plate, side plate and bottom plate in the butt-welded angles and positions simulation inclined stainless steel oil suction well it
Between butt-welded angles and positions, the butt-welded technological procedure is using the preliminary welding procedure specification (WPS) in step 3；
Step 4, simulation soldering test evaluation: evaluating simulation soldering test, underproof in simulation soldering test evaluation
In the case of optimizing welding process parameter, and simulation soldering test is re-started according to optimizing welding process parameter, until being closed
The soldering test evaluation result and corresponding welding condition of lattice；
Step 5, the qualified soldering test evaluation result and corresponding welding condition obtained according to step 4, work up most
Whole welding procedure specification (WPS)；
Step 6, using final welding procedure specification (WPS), implement the welding equipment of inclined stainless steel oil suction well.
2. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel according to claim 1, which is characterized in that described oblique
Formula stainless steel oil suction well obtains the sheet-metal unfolding figure of front side board, back side panel, left plate, right side plate and bottom plate using three-dimensional modeling,
And the front side board, back side panel, left plate, right side plate and bottom plate use Numerical control cutting blanking.
3. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel according to claim 2, which is characterized in that described oblique
In the three-dimensional modeling of formula stainless steel oil suction well, the three-dimensional modeling size of inclined stainless steel oil suction well and body section butted part
It is to be adapted to be obtained according to the actual measurement connection size on body section.
4. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel according to claim 3, which is characterized in that the ship
Actual measurement connection size in body segmentation is provided with correcting margin, the inclined stainless steel oil suction well and body section butted part
Three-dimensional modeling size is free of correcting margin.
5. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel according to claim 1, which is characterized in that the step
In the two of rapid 2 preparatory process, the welded specimen further includes the test for simulating the welding of inclined stainless steel oil suction well back side gusset
Gusset；The simulation soldering test of the step 3 includes the overhead welding butt welding test tested gusset and test bottom plate.
6. a kind of assembling and welding process of inclined stainless steel oil suction well peculiar to vessel according to claim 1, which is characterized in that described oblique
The material of formula stainless steel oil suction well is S316L stainless steel plate, the segmentation ship that place is docked with inclined stainless steel oil suction well of the ship
Body material is AH36 hull high strength structure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080950.4A CN109202316B (en) | 2018-09-17 | 2018-09-17 | Assembly welding process of marine inclined stainless steel oil suction well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080950.4A CN109202316B (en) | 2018-09-17 | 2018-09-17 | Assembly welding process of marine inclined stainless steel oil suction well |
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| Publication Number | Publication Date |
|---|---|
| CN109202316A true CN109202316A (en) | 2019-01-15 |
| CN109202316B CN109202316B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080950.4A Active CN109202316B (en) | 2018-09-17 | 2018-09-17 | Assembly welding process of marine inclined stainless steel oil suction well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210686A (en) * | 2020-01-15 | 2020-05-29 | 中船澄西船舶修造有限公司 | Welding simulation training device |
| CN114952103A (en) * | 2022-06-20 | 2022-08-30 | 广州文船重工有限公司 | Method for acquiring welding parameters of U-shaped rib |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0939878A (en) * | 1995-07-31 | 1997-02-10 | Mitsubishi Heavy Ind Ltd | Suction well of oil tanker having double bottom structure |
| CN201580535U (en) * | 2009-12-17 | 2010-09-15 | 扬帆集团股份有限公司 | Installing structure for liquid cargo pump of chemical cargo ship |
| KR20110096879A (en) * | 2010-02-23 | 2011-08-31 | 삼성중공업 주식회사 | Vessel including anti heeling system |
| CN104959950A (en) * | 2015-07-02 | 2015-10-07 | 广船国际有限公司 | Mounting device for intermediate supporting member of cargo oil pump |
| CN106370828A (en) * | 2016-10-16 | 2017-02-01 | 上海车功坊汽车服务有限公司 | Method for evaluating welding of plastic part of motor vehicle |
| CN206590078U (en) * | 2017-03-07 | 2017-10-27 | 广东新船重工有限公司 | A kind of chemical tanker stripping system |
-
2018
- 2018-09-17 CN CN201811080950.4A patent/CN109202316B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0939878A (en) * | 1995-07-31 | 1997-02-10 | Mitsubishi Heavy Ind Ltd | Suction well of oil tanker having double bottom structure |
| CN201580535U (en) * | 2009-12-17 | 2010-09-15 | 扬帆集团股份有限公司 | Installing structure for liquid cargo pump of chemical cargo ship |
| KR20110096879A (en) * | 2010-02-23 | 2011-08-31 | 삼성중공업 주식회사 | Vessel including anti heeling system |
| CN104959950A (en) * | 2015-07-02 | 2015-10-07 | 广船国际有限公司 | Mounting device for intermediate supporting member of cargo oil pump |
| CN106370828A (en) * | 2016-10-16 | 2017-02-01 | 上海车功坊汽车服务有限公司 | Method for evaluating welding of plastic part of motor vehicle |
| CN206590078U (en) * | 2017-03-07 | 2017-10-27 | 广东新船重工有限公司 | A kind of chemical tanker stripping system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210686A (en) * | 2020-01-15 | 2020-05-29 | 中船澄西船舶修造有限公司 | Welding simulation training device |
| CN114952103A (en) * | 2022-06-20 | 2022-08-30 | 广州文船重工有限公司 | Method for acquiring welding parameters of U-shaped rib |
| CN114952103B (en) * | 2022-06-20 | 2023-12-19 | 广州文船重工有限公司 | U-rib welding parameter acquisition method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109202316B (en) | 2020-10-30 |
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