CN112357742A - Device and method for reducing deformation of large-scale mail steamer sheet after tailor-welding turning plate and lightering - Google Patents
Device and method for reducing deformation of large-scale mail steamer sheet after tailor-welding turning plate and lightering Download PDFInfo
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- CN112357742A CN112357742A CN202011175011.5A CN202011175011A CN112357742A CN 112357742 A CN112357742 A CN 112357742A CN 202011175011 A CN202011175011 A CN 202011175011A CN 112357742 A CN112357742 A CN 112357742A
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- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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Abstract
The invention discloses a method for reducing deformation of a large-scale mail steamer thin plate after splicing and welding a turning plate and a lightering device, which comprises the following steps: a1, designing and manufacturing a simple hanging row; a2, welding a plurality of groups of rectangular connecting plates on the hanger bar, wherein each group of rectangular connecting plates comprises two rectangular connecting plates, and the two rectangular connecting plates are welded on the upper side wall and the lower side wall of the hanger bar respectively; a3, after the thin steel plates are welded, arranging hangers at the edges of the thin steel plates in parallel to the length direction of the thin steel plates, wherein each group of rectangular connecting plates are perpendicular to the thin steel plates, and then each group of rectangular connecting plates are welded on the thin steel plates by adopting single-side welding and low current during welding; 15 groups of rectangular connecting plates are uniformly welded on the side wall of the thin steel plate; a4, the hanging row and the thin steel plate are integrated; a5, each group of rectangular connecting plates of the hanging row is dismantled, and the hanging row returns to the position of the thin steel plate splicing plate to be reused. The 15 groups of rectangular connecting plates of the hanging row are all welded on one side, so that the hanging row is easy to disassemble, more welding spots are uniformly distributed, and the welding heat input is small, so that the welding deformation is small.
Description
Technical Field
The invention relates to a device and a method for reducing deformation of a plate turnover and lightering after splicing and welding large-scale mail steamer sheets.
Background
The thickness of the existing large-scale mail steamer thin plate is small, but the size of the large-scale mail steamer thin plate is large, the large-scale mail steamer thin plate is turned over and transported after splicing and welding, deformation is easily generated due to overlarge plane area, the thin steel plate cannot be perfectly used for assembling operation of the large-scale mail steamer, and how to ensure that the local deformation of the thin steel plate is not generated in the process of turning over the plate and transporting the thin steel plate needs to be solved urgently, so that the device and the method for reducing deformation of the large-scale mail steamer thin plate after splicing and welding are designed and produced, and the problems are solved conveniently.
Disclosure of Invention
The invention aims to provide a method for reducing deformation of a large-scale post wheel sheet after splicing welding and turning over and lightens transportation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for reducing deformation of a large-scale mail steamer thin plate after splicing and welding by turning over and lightering comprises the following steps:
a1, designing and manufacturing a simple hanging raft, wherein the length of the hanging raft is 9 meters;
a2, welding a plurality of groups of rectangular connecting plates on the hanging row, wherein each group of rectangular connecting plates comprises two groups, the upper side wall and the lower side wall of the hanging row are respectively welded with one group, and the gap between two adjacent groups of rectangular connecting plates is 0.5 m;
a3, after the thin steel plates are welded, arranging hangers at the edges of the thin steel plates in parallel to the length direction of the thin steel plates, wherein each group of rectangular connecting plates are perpendicular to the thin steel plates, and then each group of rectangular connecting plates are welded on the thin steel plates by adopting single-side welding and low current during welding; 15 groups of rectangular connecting plates are uniformly welded on the side wall of the thin steel plate;
a4, the hanging row and the thin steel plate are integrated, and the thin steel plate is turned over and transferred for at least two times;
a5, each group of rectangular connecting plates of the hanging row is dismantled, and the hanging row returns to the position of the thin steel plate splicing plate to be reused.
The device is used for realizing the method for reducing deformation of the plate turning and lightering after splicing and welding the large-scale mail steamer thin plate, the upper end face of the hanging row is provided with a plurality of hoisting rings which are uniformly distributed at intervals from front to back through steel plate welding, the rectangular connecting plates of a plurality of groups respectively comprise an upper connecting plate and a lower connecting plate, and the upper connecting plate and the lower connecting plate of each group are respectively fixedly welded on the side walls of the upper side and the lower side of the hanging row and respectively extend out of the length of 5-15cm of the transverse side wall of the hanging row.
In a further embodiment, the hanger bar is made of channel steel.
Compared with the prior art, the invention has the beneficial effects that:
1. the 15 groups of rectangular connecting plates of the hanging row are all welded on one side, so that the hanging row is easy to disassemble, more welding spots are uniformly distributed, and the welding heat input is small, so that the welding deformation is small.
2. The hanging row is rigidly fixed with the thin steel plate, so that local deformation generated in the process of turning over and transferring the thin steel plate is avoided.
3. The invention has simple operation, and can meet the requirement of the whole stage operation by one-time installation.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. hanging the row; 11. hoisting a ring; 2. a rectangular connecting plate; 21. an upper connecting plate; 22. a lower connecting plate.
Detailed Description
The invention will be further explained with reference to the drawings.
Examples
Referring to fig. 1-2, the present embodiment provides a method for reducing deformation of a large-scale mail carrier after splicing and welding sheets, including the following steps:
a1, designing and manufacturing the simple hanging bar 1, wherein the length of the hanging bar 1 is 9 meters;
a2, welding a plurality of groups of rectangular connecting plates 2 on a hanging row 1, wherein each group of rectangular connecting plates 2 comprises two, the upper side wall and the lower side wall of the hanging row 1 are respectively welded with one, and the gap between two adjacent groups of rectangular connecting plates 2 is 0.5 m;
a3, after the thin steel plates are welded, placing the hanging bar 1 at the edge of the thin steel plates and parallel to the length direction of the thin steel plates, wherein each group of rectangular connecting plates 2 is perpendicular to the thin steel plates, then each group of rectangular connecting plates 2 are welded on the thin steel plates, and during welding, single-side welding and low current are adopted, so that the single-side welding and dismounting of each group of rectangular connecting plates 2 of the hanging bar 1 are easy; 15 groups of rectangular connecting plates 2 are uniformly welded on the side wall of the thin steel plate, and the welding deformation is small because more welding spots are uniformly distributed and the welding heat input is small;
a4, the hanging row 1 and the thin steel plate are integrated, the thin steel plate is turned over and transferred for at least two times, and the hanging row 1 and the thin steel plate are rigidly fixed, so that local deformation of the thin steel plate in the turning over and transferring processes is avoided;
a5, dismantling each group of rectangular connecting plates 2 of the hanging row 1, returning the hanging row 1 to the position of the thin steel plate splicing plate for reuse, and being simple to operate and capable of meeting the operation requirement of the whole stage through one-time installation.
A device for realizing the method for reducing deformation of a large-scale post ship sheet after being spliced and welded, wherein a plurality of hoisting rings 11 which are uniformly distributed at intervals from front to back are welded on the upper end surface of a hoisting row 1 through a steel plate, a steel wire rope penetrates through the two symmetrical hoisting rings 11 to facilitate hoisting the hoisting row 1, so as to realize hoisting of a thin steel plate and realize turning and transportation operation, a plurality of groups of rectangular connecting plates 2 comprise upper connecting plates 21 and lower connecting plates 22, each group of upper connecting plates 21 and lower connecting plates 22 are respectively and fixedly welded on the upper side wall and the lower side wall of the hoisting row 1 and respectively extend out of the length of 5-15cm of the transverse side wall of the hoisting row 1, and by adopting single-side welding and low-current mode between each group of upper connecting plates 21 and lower connecting plates 22 which protrude out of the transverse side wall of the hoisting row 1 and the side wall of the thin steel plate length, 15 groups of rectangular connecting plates 2 are finally welded, the connection is stable, the rectangular connecting plate 2 is easy to dismantle in the later period, and the thin steel plate is not easy to deform in the turning and lightering processes.
The hanging bar 1 is made of channel steel, and the channel steel has strong hardness and good tensile strength.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (3)
1. A method for reducing deformation of a large-scale mail steamer thin plate after splicing and welding by turning over the plate and carrying by lightering is characterized by comprising the following steps:
a1, designing and manufacturing the simple hanging bar (1), wherein the length of the hanging bar (1) is 9 meters;
a2, welding a plurality of groups of rectangular connecting plates (2) on a hanging row (1), wherein each group of rectangular connecting plates (2) comprises two groups, the upper side wall and the lower side wall of the hanging row (1) are respectively welded with one group, and the gap between two adjacent groups of rectangular connecting plates (2) is 0.5 m;
a3, after the thin steel plates are welded, arranging the hanging rows (1) at the edges of the thin steel plates in parallel with the length direction of the thin steel plates, enabling each group of rectangular connecting plates (2) to be perpendicular to the thin steel plates, then welding each group of rectangular connecting plates (2) on the thin steel plates, and adopting single-side welding and low current during welding; 15 groups of rectangular connecting plates (2) are uniformly welded on the side wall of the thin steel plate;
a4, the hanging row (1) and the thin steel plate are integrated, and the thin steel plate is turned over and lightens for two times;
a5, each group of rectangular connecting plates (2) of the hanging row (1) is dismantled, and the hanging row (1) returns to the position of the thin steel plate splicing plate to be reused.
2. An apparatus for implementing the method of reducing deformation of the flaps and lighters after tailor welding of large mail carrier sheets of claim 1, wherein: the hoisting device is characterized in that the hoisting rings (11) which are uniformly distributed at intervals are welded on the front and back of the upper end face of the hoisting row (1) through steel plates, the rectangular connecting plates (2) comprise upper connecting plates (21) and lower connecting plates (22), each group of the upper connecting plates (21) and the lower connecting plates (22) are fixedly welded on the side walls of the upper side and the lower side of the hoisting row (1) respectively, and the length of the transverse side wall of the hoisting row (1) is 5-15 cm.
3. The apparatus of the method for reducing deformation of the flaps and lighters after tailor welding of large mail carrier sheets of claim 2, wherein: the hanging row (1) is made of channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175011.5A CN112357742A (en) | 2020-10-28 | 2020-10-28 | Device and method for reducing deformation of large-scale mail steamer sheet after tailor-welding turning plate and lightering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011175011.5A CN112357742A (en) | 2020-10-28 | 2020-10-28 | Device and method for reducing deformation of large-scale mail steamer sheet after tailor-welding turning plate and lightering |
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| Publication Number | Publication Date |
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| CN112357742A true CN112357742A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011175011.5A Pending CN112357742A (en) | 2020-10-28 | 2020-10-28 | Device and method for reducing deformation of large-scale mail steamer sheet after tailor-welding turning plate and lightering |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358131Y (en) * | 2008-12-26 | 2009-12-09 | 浙江吉利汽车有限公司 | Steel-plate material roll-over stand |
| CN202058664U (en) * | 2011-05-19 | 2011-11-30 | 正泰电气股份有限公司 | Novel circuit breaker frame |
| CN204474117U (en) * | 2015-02-27 | 2015-07-15 | 大连船舶工业工程公司 | Thin plate lifting anti-deformation device |
| CN206359113U (en) * | 2016-12-31 | 2017-07-28 | 安徽景隆金属材料有限公司 | A kind of steel plate lifting balancing device |
| CN210191768U (en) * | 2019-06-03 | 2020-03-27 | 沪东中华造船(集团)有限公司 | Sectional hanging row tool suitable for sheets of various specifications |
| CN111761182A (en) * | 2020-07-24 | 2020-10-13 | 上海外高桥造船有限公司 | Method for splicing thin plates of cruise ship |
-
2020
- 2020-10-28 CN CN202011175011.5A patent/CN112357742A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201358131Y (en) * | 2008-12-26 | 2009-12-09 | 浙江吉利汽车有限公司 | Steel-plate material roll-over stand |
| CN202058664U (en) * | 2011-05-19 | 2011-11-30 | 正泰电气股份有限公司 | Novel circuit breaker frame |
| CN204474117U (en) * | 2015-02-27 | 2015-07-15 | 大连船舶工业工程公司 | Thin plate lifting anti-deformation device |
| CN206359113U (en) * | 2016-12-31 | 2017-07-28 | 安徽景隆金属材料有限公司 | A kind of steel plate lifting balancing device |
| CN210191768U (en) * | 2019-06-03 | 2020-03-27 | 沪东中华造船(集团)有限公司 | Sectional hanging row tool suitable for sheets of various specifications |
| CN111761182A (en) * | 2020-07-24 | 2020-10-13 | 上海外高桥造船有限公司 | Method for splicing thin plates of cruise ship |
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Application publication date: 20210212 |