CN110816776B - Lifting device for assembling ship bottom plate and covering plate strip - Google Patents

Lifting device for assembling ship bottom plate and covering plate strip Download PDF

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Publication number
CN110816776B
CN110816776B CN201911000097.5A CN201911000097A CN110816776B CN 110816776 B CN110816776 B CN 110816776B CN 201911000097 A CN201911000097 A CN 201911000097A CN 110816776 B CN110816776 B CN 110816776B
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plate
strip
hollow boss
lifting
air cushion
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Application number
CN201911000097.5A
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Chinese (zh)
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CN110816776A (en
Inventor
陈利兵
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Chengxi Shipyard Co Ltd
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Chengxi Shipyard Co Ltd
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Priority to CN201911000097.5A priority Critical patent/CN110816776B/en
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Abstract

The invention discloses a lifting device for assembling a ship bottom plate and a cladding plate strip, which comprises an air cushion, wherein a first bottom plate is arranged on the surface of the air cushion, a hollow boss is welded on the surface of the first bottom plate, vacuum grooves are arranged on the four sides and the middle of the contact area of the surface of the hollow boss and the cladding plate strip, an opening is formed in the side surface of the hollow boss and is connected with one end of a hose, and the other end of the hose is connected with a vacuum pump; the air cushion bottom sets up inlet port and venthole, inlet port connection intake pipe one end, the air pump is connected to the intake pipe other end. The lifting device for assembling the bottom plate and the shroud plate strips has the advantages of good universality, simple structure, convenience and quickness in use and capability of reducing the assembling clearance between the shroud plate strips and the bottom plate; meanwhile, the stability of the covering lath in the lifting process can be ensured, and the condition of accidental falling is avoided.

Description

Lifting device for assembling ship bottom plate and covering plate strip
Technical Field
The invention relates to the technical field of lifting devices, in particular to a lifting device for assembling a bottom plate and a shroud plate strip of a ship.
Background
In recent years, foreign trade in China has increased rapidly, and China has become a significant manufacturing base in the world, wherein a large number of goods need to be shipped by sea. The lack of the total longitudinal strength of the ship can be caused by the corrosion and thinning of the structure in the process of lengthening and changing the navigation area or operation of the ship. The addition of the sheathing strip at the bottom of the ship is a common method for improving the total longitudinal strength of the ship, and the specific method is to put the sheathing strip with a certain width under the bottom board of the ship to connect the sheathing strip with the bottom board of the ship. The method has the advantages that the original structure of the ship cannot be damaged, inconvenience cannot be brought to the work of a crew, and meanwhile, the method is convenient to construct, low in cost and good in effect.
In the prior art, a conventional method for lifting a sheathing strip to a ship bottom plate position is as follows: four lifting lugs are respectively arranged at the corresponding positions of each covering lath and the bottom board of the ship; the sheathing board strips are lifted to a certain height by the chain block, the clamping boards are installed, and then the sheathing board strips are knocked tightly and positioned by iron. The main problems of the construction method are as follows: after the hand chain block completely tightens the covering plate strips, a gap of about 500mm is left; moreover, each lath needs to be welded with the lug plate in advance, so that the working efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the lifting device which is simple in structure, convenient to use, good in universality and capable of reducing the assembling clearance between the shroud plate strip and the bottom plate and is used for assembling the bottom plate and the shroud plate strip.
In order to achieve the purpose, the technical scheme of the invention is to design a lifting device for assembling a ship bottom plate and a shroud plate strip, wherein the lifting device comprises an air cushion, a first bottom plate is arranged on the surface of the air cushion, a hollow boss is welded on the surface of the first bottom plate, vacuum grooves are arranged on the four sides and the middle of the contact area of the surface of the hollow boss and the shroud plate strip, an opening is formed in the side surface of the hollow boss and is connected with one end of a hose, and the other end of the hose is connected with a vacuum pump; the air cushion bottom sets up inlet port and venthole, inlet port connection intake pipe one end, the intake pipe other end air pump.
In order to increase the adsorption effect of the hollow boss on the shroud plate strip, a preferable technical scheme is that a vacuum hole is formed in the surface, in contact with the shroud plate strip, of the hollow boss and the vacuum groove region.
In order to increase the load bearing of the air cushion on heavy objects in work, the preferable technical scheme is that a liquid inlet hole is formed in the bottom of the air cushion, the liquid inlet hole is connected with one end of a liquid inlet pipe, the other end of the liquid inlet pipe is connected with an outlet of a fluid pump, and an inlet of the fluid pump is connected with a liquid storage tank.
In order to facilitate the positioning of the shroud plate strip on the hollow boss and prevent the vacuum leakage caused by the deflection of the shroud plate strip, the preferred technical scheme is that limiting strips are welded on any adjacent two sides of the surface of the hollow boss, and the height of the limiting strips is lower than that of the shroud plate strip.
In order to facilitate the further positioning of the covering strip and improve the connection reliability of the covering strip and the hollow boss, the preferable technical scheme is that two sides of the surface of the hollow boss opposite to the limiting strip are respectively hinged with an elastic cross rod, a rubber pad is arranged at the end part of the elastic cross rod, and the side surface of the covering strip is pressed by a compression spring in the elastic cross rod.
In order to facilitate welding operation of operators, the air cushion is preferably designed to be step-shaped, a second bottom plate is arranged on the surface of the step of the air cushion, a guardrail is arranged on the periphery of the second bottom plate, and anti-skid threads are arranged on the surface of the second bottom plate.
In order to keep the stability of the lifting device after the cover plate strip is lifted in place, the preferable technical scheme is that at least one telescopic rod is hinged to each of the four sides of the first bottom plate, and the bottom of each telescopic rod is sleeved with a sucker.
The clad plate strip is arranged on the surface of the hollow boss, the position of the position limiting strip is aligned, the elastic cross rods on two opposite sides of the position limiting strip on the surface of the hollow boss are adjusted to compress the clad plate strip, the clad plate strip is adsorbed on the surface of the hollow boss by adopting the vacuum pumping, the air cushion is inflated by using the air pump, the height of the clad plate strip is improved, the clad plate strip reaches the position of the bottom plate of the ship, the lengths of the telescopic rods on four sides of the first bottom plate are adjusted, the sucking discs are fixed, and an operator can stand on the second bottom plate to weld the clad plate strip and the bottom.
The invention has the advantages and beneficial effects that: the lifting device for assembling the bottom plate and the shroud plate strips has the advantages of simple structure, convenience and quickness in use, good universality, capability of lifting the shroud plate strips to the assembling position of the bottom plate and reduction of the assembling clearance between the shroud plate strips and the bottom plate; meanwhile, the stability of the covering lath in the lifting process can be ensured, and the condition of accidental falling is avoided.
Drawings
FIG. 1 is a schematic view of the lifting device of the present invention for use in assembling a bottom plating to a sheathing strip;
fig. 2 is a schematic perspective view of an enlarged structure of the hollow boss of the present invention.
In the figure: 1. an air cushion; 2. a first base plate; 3. a hollow boss; 4. a vacuum tank; 5. a vacuum pump; 6. an air pump; 7. a vacuum hole; 8. a fluid pump; 9. a liquid storage tank; 10. a limiting strip; 11. covering laths; 12. an elastic cross bar; 13. a rubber pad; 14. a second base plate; 15. a guardrail; 16. telescopic rod, 17, sucking disc.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, the invention relates to a lifting device for assembling a ship bottom plate and a cladding plate strip, which comprises an air cushion 1, wherein a first bottom plate 2 is arranged on the surface of the air cushion 1, a hollow boss 3 is welded on the surface 2 of the bottom plate, vacuum grooves 4 are arranged on the four sides and the middle of the contact area of the surface of the hollow boss 3 and the cladding plate strip 11, an opening is formed in the side surface of the hollow boss 3 and is connected with one end of a hose, and the other end of the hose is connected with a vacuum pump 5; the bottom of the air cushion 1 is provided with an air inlet hole and an air outlet hole, the air inlet hole is connected with one end of an air inlet pipe, and an air pump 6 is arranged at the other end of the air inlet pipe.
In order to increase the adsorption effect of the hollow bosses on the shroud plate strip, a preferable technical scheme is that the vacuum holes 7 are formed on the surface of the hollow bosses 3, which is in contact with the shroud plate strip, and avoid the area of the vacuum grooves 4.
In order to increase the load of the air cushion on the heavy objects in the work process, the preferable technical scheme is that a liquid inlet hole is formed in the bottom of the air cushion 1 and is connected with one end of a liquid inlet pipe, the other end of the liquid inlet pipe is connected with an outlet of a fluid pump 8, an inlet of the fluid pump 8 is connected with a liquid storage tank 9, an air inlet hole is closed, the liquid inlet hole is opened, liquid is filled in the air cushion, and the height of the air cushion is supported by the liquid.
In order to facilitate the positioning of the shroud plate strip on the hollow boss and prevent the vacuum leakage caused by the deflection of the shroud plate strip, the preferred technical scheme is that limiting strips 10 are welded on any adjacent two sides of the surface of the hollow boss 3, and the height of the limiting strips 10 is lower than the thickness of the shroud plate strip 11.
In order to further fix the lath and prevent the lath from moving in the jacking process, the preferable technical scheme is that elastic cross bars 12 are respectively hinged on two sides of the surface of the hollow boss 3 opposite to the limiting bars 10, rubber pads 13 are arranged at the end parts of the elastic cross bars 12, and the side surfaces of the lath 11 are pressed by compression springs in the elastic cross bars 12.
In order to facilitate welding operation of an operator, the air cushion 1 is preferably shaped like a step, a second bottom plate 14 is arranged on the surface of the step of the air cushion 1, a guardrail 15 is arranged on the periphery of the second bottom plate 14, and anti-skid threads are arranged on the surface of the second bottom plate 14.
In order to keep the stability of the lifting device after lifting the sheathing strip in place, the preferred technical scheme is that at least one telescopic rod 16 is hinged to each of the four sides of the first bottom plate 2, and a suction cup 17 is sleeved at the bottom of each telescopic rod 16.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (1)

1. A lifting device for assembling a ship bottom plate and a cladding plate strip is characterized by comprising an air cushion, wherein a first bottom plate is arranged on the surface of the air cushion, a hollow boss is welded on the surface of the first bottom plate, vacuum grooves are formed in the four sides and the middle of the contact area of the surface of the hollow boss and the cladding plate strip, a hole is formed in the side surface of the hollow boss and is connected with one end of a hose, and the other end of the hose is connected with a vacuum pump; the bottom of the air cushion is provided with an air inlet hole and an air outlet hole, the air inlet hole is connected with one end of an air inlet pipe, the other end of the air inlet pipe is provided with an air pump, the surface of the hollow boss, which is contacted with the covering plate strip, is provided with a vacuum hole avoiding the area of a vacuum groove, the bottom of the air cushion is provided with a liquid inlet hole, the liquid inlet hole is connected with one end of a liquid inlet pipe, the other end of the liquid inlet pipe is connected with the outlet of a fluid pump, the inlet of the fluid pump is connected with a liquid storage tank, any adjacent two sides of the surface of the hollow boss are welded with a limit strip, the height of the limit strip is lower than the thickness of the covering plate strip, two sides of the surface of the hollow boss, which are opposite to the limit strip, are respectively hinged with an elastic cross rod, the, a guardrail is arranged on the periphery of the second bottom plate, anti-skidding threads are arranged on the surface of the second bottom plate, four sides of the first bottom plate are respectively hinged with at least one telescopic rod, and a sucker is sleeved at the bottom of each telescopic rod.
CN201911000097.5A 2019-10-21 2019-10-21 Lifting device for assembling ship bottom plate and covering plate strip Active CN110816776B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911000097.5A CN110816776B (en) 2019-10-21 2019-10-21 Lifting device for assembling ship bottom plate and covering plate strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911000097.5A CN110816776B (en) 2019-10-21 2019-10-21 Lifting device for assembling ship bottom plate and covering plate strip

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CN110816776A CN110816776A (en) 2020-02-21
CN110816776B true CN110816776B (en) 2020-12-04

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202106172U (en) * 2011-05-16 2012-01-11 上海外高桥造船有限公司 Adjustable support head for ship welding
CN104071723A (en) * 2014-07-12 2014-10-01 葛强林 Air bag type jacking device
CN203975137U (en) * 2014-07-28 2014-12-03 扬帆集团股份有限公司 A kind of bracket tool of installing for tail fin
CN206071127U (en) * 2016-08-29 2017-04-05 浙江大丰实业股份有限公司 A kind of air bag lifting moving carriage-table
CN207103632U (en) * 2017-06-28 2018-03-16 东莞市胜菱数控机械有限公司 A kind of support meanss for numerical control press workbench
WO2018086668A1 (en) * 2016-11-11 2018-05-17 Dissing A/S A device for positioning an object relatively to a support by inflatable air cushion members, a method of operating the device, and a method for moving an object
CN108545660A (en) * 2018-04-24 2018-09-18 安徽知之信息科技有限公司 A kind of new-energy automobile lifting mechanism
CN108609555A (en) * 2018-05-29 2018-10-02 张莎 A kind of new distribution repairing overhead working lifting platform
CN207962014U (en) * 2018-03-13 2018-10-12 范理文 A kind of adjustable inflatable computer bracket of bearing height
CN110064885A (en) * 2019-04-02 2019-07-30 中船第九设计研究院工程有限公司 A kind of lifting body of high-flatness ship plate sheet welding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150043581A (en) * 2013-10-11 2015-04-23 대우조선해양 주식회사 Automatic set up insulation box of lng ship's using three dimensional vision system and thereof apparatus

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202106172U (en) * 2011-05-16 2012-01-11 上海外高桥造船有限公司 Adjustable support head for ship welding
CN104071723A (en) * 2014-07-12 2014-10-01 葛强林 Air bag type jacking device
CN203975137U (en) * 2014-07-28 2014-12-03 扬帆集团股份有限公司 A kind of bracket tool of installing for tail fin
CN206071127U (en) * 2016-08-29 2017-04-05 浙江大丰实业股份有限公司 A kind of air bag lifting moving carriage-table
WO2018086668A1 (en) * 2016-11-11 2018-05-17 Dissing A/S A device for positioning an object relatively to a support by inflatable air cushion members, a method of operating the device, and a method for moving an object
CN207103632U (en) * 2017-06-28 2018-03-16 东莞市胜菱数控机械有限公司 A kind of support meanss for numerical control press workbench
CN207962014U (en) * 2018-03-13 2018-10-12 范理文 A kind of adjustable inflatable computer bracket of bearing height
CN108545660A (en) * 2018-04-24 2018-09-18 安徽知之信息科技有限公司 A kind of new-energy automobile lifting mechanism
CN108609555A (en) * 2018-05-29 2018-10-02 张莎 A kind of new distribution repairing overhead working lifting platform
CN110064885A (en) * 2019-04-02 2019-07-30 中船第九设计研究院工程有限公司 A kind of lifting body of high-flatness ship plate sheet welding

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