CN114147404A - Device and method for compressing vertical electrogas welding liner of ship - Google Patents
Device and method for compressing vertical electrogas welding liner of ship Download PDFInfo
- Publication number
- CN114147404A CN114147404A CN202111391924.5A CN202111391924A CN114147404A CN 114147404 A CN114147404 A CN 114147404A CN 202111391924 A CN202111391924 A CN 202111391924A CN 114147404 A CN114147404 A CN 114147404A
- Authority
- CN
- China
- Prior art keywords
- welding
- pressing plate
- liner
- gasket
- supporting frame
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- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a device and a method for compressing a ship vertical electrogas welding liner, wherein the device comprises a supporting frame, a liner pressing plate, a positioning piece, a compression spring and fixed upright posts, the liner pressing plate is arranged below the supporting frame, the middle position of the liner pressing plate is connected with the top of the supporting frame through the compression spring, two end parts of the liner pressing plate are respectively connected with the fixed upright posts fixed on two sides of the supporting frame through connecting pieces, and the positioning piece is arranged on two sides of the liner pressing plate and welded and fixed at the bottom of the supporting frame. The invention can tightly press the welding liner, prevent the welding liner from falling due to the adhesive tape being unstuck in the high-temperature welding process, effectively ensure the welding quality of the vertical electrogas welding and improve the welding efficiency of the vertical electrogas welding.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a device and a method for compressing a ship vertical electrogas welding liner.
Background
In the ship construction process, especially in the butt joint process of subsection assembly and carrying, the high-efficiency welding mode of vertical electrogas welding is needed in large quantity, which accounts for about 30% of the welding workload of the whole butt joint seam, the precision requirement of the welding is extremely high, the tin skin adhesive tape attached to the liner is extremely easy to fall off in the high-temperature welding process of the liner, so that the welding defect is caused, and in order to prevent the occurrence of the welding condition, three main processing modes are provided at present:
1. by adopting manual carbon dioxide welding, the welding method can ensure the welding quality, but the welding efficiency is extremely low, and the welding time of the vertical butt welding seam with the same length is more than 2 times of that of the vertical gas welding;
2. still adopt the vertical electrogas welding, but need to expand the angle hole of rib of the back of the welded seam to R35, but greatly increased the wrap angle and polished the work load, take 24000TEU of a certain type as an example, the single ship has increased the polished work load of 4740R holes, and some watertight areas and within 200MM below the toe end of the toggle plate must not set up R35 hole;
3. the vertical electrogas welding is still adopted, but the corner holes of the ribs on the back of the welding seam are required to be enlarged to VU60 x 22, the wood wedge sheets are knocked in, and the gasket is pressed, but the workload of subsequent plug welding is greatly increased, and the workload of 568M welding is also expected to be increased for a single ship by taking a model 24000TEU as an example.
Disclosure of Invention
Accordingly, the present invention is directed to an apparatus and method for compressing a vertical electrogas welding liner of a ship, which solves the above-mentioned problems of the prior art.
A device for pressing a vertical electrogas welding liner of a ship comprises a supporting frame, a liner pressing plate, a positioning piece, a pressing spring and a fixed upright post,
the gasket pressing plate is used for pressing a welding gasket at a butt welding seam between two plates to be welded, the gasket pressing plate is arranged below the supporting frame, the middle position of the gasket pressing plate is connected with the top of the supporting frame through a compression spring, two end parts of the gasket pressing plate are respectively connected with fixed upright posts fixed at two sides of the supporting frame through connecting pieces,
the positioning pieces are used for fixing the whole device on a ship structure so as to enable the gasket pressing plates to be aligned to compress the welding gaskets, and the positioning pieces are arranged on two sides of the gasket pressing plates and are welded and fixed at the bottom of the supporting frame.
Preferably, the connecting piece adopts a flat steel ring which is sleeved on the fixed upright post and fixed with the end part of the pad pressing plate.
Preferably, the gasket pressing plate is of a U-shaped structure, and the welding gasket is clamped in the U-shaped groove of the gasket pressing plate.
Preferably, the lining pressing plate is made of channel steel.
Preferably, the positioning member is a magnet.
Preferably, a handle is further mounted on the support frame.
The method for pressing the ship vertical electrogas welding liner by using the device comprises the following steps:
s1, attaching a welding gasket to the butt weld;
s2, carrying the device by hand to make the pad pressing plate aim at the welding pad, then fixing the device on the hull structure by adsorption by using a positioning piece, and tightly pressing the welding pad by the pad pressing plate under the action of the elastic force of a pressing spring;
and S3, starting welding operation by using the vertical electro-pneumatic automatic welding equipment.
Preferably, before the welding pad is attached to the butt weld, the method further comprises the steps of: the corner length of a rib corner hole on the back of a butt weld between two plates to be welded is modified to be 60mm, and the corner radius is modified to be 15 mm.
The invention has the beneficial effects that:
1. the vertical gas electric welding device is simple in structure and convenient to install and use, and can tightly press the welding gasket in the process of vertical gas electric welding, so that the welding gasket is prevented from falling due to adhesive tape debonding in the high-temperature welding process, the welding quality of the vertical gas electric welding is effectively ensured, and the welding efficiency of the vertical gas electric welding is improved.
2. The invention can be repeatedly used, greatly reduces welding consumables, reduces the production cost of enterprises, can be applied to welding of corner holes with smaller sizes, can press the welding gasket on a welding seam without knocking a wedge sheet in the corner hole, and greatly reduces the workload of welding seam polishing, plug welding and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a state diagram of the use of the present invention.
The reference numerals in the figures have the meaning:
the welding device comprises a positioning piece 1, a gasket pressing plate 2, a compression spring 3, a fixing upright post 4, a connecting piece 5, a supporting frame 6, a lifting handle 7 and a plate to be welded 8.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a device for compressing a vertical electrogas welding liner of a ship, which comprises a supporting frame 6, a positioning piece 1, a liner pressing plate 2, a compression spring 3 and a fixed upright post 4.
The supporting frame 6 is a supporting structure of the whole device and is used for fixing and supporting the gasket pressing plate 2, the positioning piece 1, the compression spring 3 and the fixed upright post 4. In this embodiment, the supporting frame 6 is a rectangular frame composed of a plurality of horizontal rods and vertical rods which are staggered horizontally and vertically.
The spacer 1 is used to secure the entire device to the hull structure so that the pad hold down 2 is aligned with the compression weld pad. The positioning pieces 1 are arranged on two sides of the pad pressing plate 2 and are welded and fixed at the bottom of the supporting frame 6. In this embodiment, the positioning member 1 is a magnet.
The pad pressure plate 2 is used to press the welding pad at the butt weld between two sheets to be welded. The cushion pressing plate 2 is arranged below the supporting frame 6, the middle position of the cushion pressing plate is connected with the top of the supporting frame 6 through the compression spring 3, and the two end parts of the cushion pressing plate are respectively connected with the fixed upright posts 4 fixed on the two sides of the supporting frame 6 through the connecting pieces 5. In this embodiment, the gasket pressing plate 2 is a U-shaped structure, and the connecting member 5 is a flat steel ring, which is sleeved on the fixed upright post 4 and fixed to the end of the gasket pressing plate 2. When the pad pressing plate 2 presses the welding pad downwards, the welding pad is just clamped in the U-shaped groove of the pad pressing plate 2, and the pressing spring 3 is in a compressed state at the moment, and can tightly abut against the pad pressing plate 2 under the elastic action of the pressing spring 3, so that the pad pressing plate 2 and the welding pad are prevented from loosening.
In the present embodiment, the elastic coefficient of the pressing spring 3
F is the attraction force of the magnet 1, and X is the displacement of the pressing spring 3.
Preferably, the lining press plate 2 is made of channel steel.
Preferably, a handle 7 is further mounted on the support frame 6.
The invention also provides a method for compressing the ship vertical electrogas welding liner, which utilizes the device to compress the ship vertical electrogas welding liner and specifically comprises the following steps:
s1, attaching a welding gasket to the butt weld between the two plates to be welded 8;
s2, the device is held by hand so that the gasket press plate 2 is aligned with the welding gasket. The device is then suction-fixed to the hull structure by means of the spacer 1. The in-process that setting element 1 goes up the hull structure and adsorbs, connecting piece 5 takes liner clamp plate 2 to remove along the length direction of fixed post 4, and pressure spring 3 is compressed gradually, and when setting element 1 adsorbs on the hull structure, the welding liner card just in the U-shaped inslot of liner clamp plate 2, and liner clamp plate 2 tightly pushes down the welding liner under the effect of pressure spring 3 elasticity.
And S3, starting welding operation by using the vertical electro-pneumatic automatic welding equipment.
Preferably, before the welding pad is attached to the butt weld, the method further comprises the steps of: the corner length of a rib corner hole on the back of a butt weld between two plates to be welded is modified to be 60mm, and the corner radius is modified to be 15 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A device for compressing a ship vertical electrogas welding liner is characterized by comprising a supporting frame (6), a liner pressing plate (2), a positioning piece (1), a compression spring (3) and a fixed upright post (4),
the gasket pressing plate (2) is used for pressing a welding gasket at a butt-joint welding seam between two plates to be welded, the gasket pressing plate (2) is arranged below the supporting frame (6), the middle position of the gasket pressing plate is connected with the top of the supporting frame (6) through a compression spring (3), two end parts of the gasket pressing plate are respectively connected with fixed upright posts (4) fixed at two sides of the supporting frame (6) through connecting pieces (5),
the positioning piece (1) is used for fixing the whole device on a ship structure so as to enable the gasket pressing plate (2) to be aligned to and press the welding gasket, and the positioning piece (1) is arranged on two sides of the gasket pressing plate (2) and is welded and fixed at the bottom of the supporting frame (6).
2. Device for compressing marine vertical electrogas welding pads according to claim 1, characterized in that the connectors (5) are flat steel rings which are sleeved on the fixed uprights (4) and fixed to the ends of the pad holding plates (2).
3. Device for compressing marine vertical electrogas welding liners according to claim 1 or 2, wherein the liner press plate (2) is of U-shaped configuration, the welding liners being clamped in the U-shaped grooves of the liner press plate (2).
4. Device for compressing marine vertical electrogas welding liners according to claim 3, wherein the liner press plate (2) is made of channel steel.
5. Device for compacting marine vertical electrogas welding liners according to claim 1, wherein the positioning elements (1) are magnets.
6. Device for compacting marine vertical electrogas welding mats according to claim 1, characterized in that the support frame (6) is also fitted with handles (7).
7. A method of compacting marine vertical electrogas welding liners, using the apparatus of any one of claims 1-6, comprising the steps of:
s1, attaching a welding gasket to the butt weld;
s2, the device is lifted, the pad pressing plate (2) is aligned to the welding pad, then the device is fixed on the ship structure in an absorption mode through the positioning piece (1), and the pad pressing plate (2) tightly presses the welding pad under the action of the elastic force of the pressing spring (3);
and S3, starting welding operation by using the vertical electro-pneumatic automatic welding equipment.
8. The apparatus for compacting marine vertical electrogas welding liners according to claim 7, further comprising, before placing the welding liner on the butt weld, the steps of: the corner length of a rib corner hole on the back of a butt weld between two plates to be welded is modified to be 60mm, and the corner radius is modified to be 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391924.5A CN114147404A (en) | 2021-11-19 | 2021-11-19 | Device and method for compressing vertical electrogas welding liner of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111391924.5A CN114147404A (en) | 2021-11-19 | 2021-11-19 | Device and method for compressing vertical electrogas welding liner of ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114147404A true CN114147404A (en) | 2022-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111391924.5A Pending CN114147404A (en) | 2021-11-19 | 2021-11-19 | Device and method for compressing vertical electrogas welding liner of ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114147404A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08155680A (en) * | 1994-12-06 | 1996-06-18 | Nkk Corp | Automatic backing device for one side welding |
| CN203566096U (en) * | 2013-08-14 | 2014-04-30 | 浙江吉利汽车有限公司 | Movable spot-welding copper backing plate fitting mechanism |
| CN104096946A (en) * | 2014-06-23 | 2014-10-15 | 武汉建工股份有限公司 | Automatic reset device for welding backing at closure joint of steel truss and jointing method |
| CN203936504U (en) * | 2014-06-23 | 2014-11-12 | 武汉建工股份有限公司 | A kind of steel truss closure joint welding backing automatic reset device |
| CN105834626A (en) * | 2016-06-15 | 2016-08-10 | 广船国际有限公司 | Vertical butt welding seam liner support and welding method |
| CN206263508U (en) * | 2016-12-19 | 2017-06-20 | 重庆市江津区前进焊接材料厂 | A kind of welding backing block circular arc-shaped connecting joint |
| CN108015393A (en) * | 2017-11-23 | 2018-05-11 | 青岛武船重工有限公司 | A kind of fixing device and its application method for ceramic welding backing |
-
2021
- 2021-11-19 CN CN202111391924.5A patent/CN114147404A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08155680A (en) * | 1994-12-06 | 1996-06-18 | Nkk Corp | Automatic backing device for one side welding |
| CN203566096U (en) * | 2013-08-14 | 2014-04-30 | 浙江吉利汽车有限公司 | Movable spot-welding copper backing plate fitting mechanism |
| CN104096946A (en) * | 2014-06-23 | 2014-10-15 | 武汉建工股份有限公司 | Automatic reset device for welding backing at closure joint of steel truss and jointing method |
| CN203936504U (en) * | 2014-06-23 | 2014-11-12 | 武汉建工股份有限公司 | A kind of steel truss closure joint welding backing automatic reset device |
| CN105834626A (en) * | 2016-06-15 | 2016-08-10 | 广船国际有限公司 | Vertical butt welding seam liner support and welding method |
| CN206263508U (en) * | 2016-12-19 | 2017-06-20 | 重庆市江津区前进焊接材料厂 | A kind of welding backing block circular arc-shaped connecting joint |
| CN108015393A (en) * | 2017-11-23 | 2018-05-11 | 青岛武船重工有限公司 | A kind of fixing device and its application method for ceramic welding backing |
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