CN104722973B - A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof - Google Patents

A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof Download PDF

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Publication number
CN104722973B
CN104722973B CN201510055531.5A CN201510055531A CN104722973B CN 104722973 B CN104722973 B CN 104722973B CN 201510055531 A CN201510055531 A CN 201510055531A CN 104722973 B CN104722973 B CN 104722973B
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cover
gases
pressure
draining
internal drainage
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CN104722973A (en
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谢小鹏
李盛前
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/0061Underwater arc welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories

Abstract

The invention discloses a kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof, including upper end cover, outer draining cover body and the internal drainage cover body in portion and spoiler in being placed in outer drainage cover body;Outer draining cover body and the underpart opening of internal drainage cover body, upper end seals fixing by upper end cover;Upper end cover top is provided with installing hole and the gases at high pressure air inlet of welding gun, and gases at high pressure are passed through outer drainage cover intracoelomic cavity and the inner chamber of internal drainage cover body;The present invention is reasonable in design, dependable performance, simple in construction, easy to use, can effectively solve Underwater Welding robot when carrying out welding job, the problem affected by water environment factor, by using this drainage arrangement, the welding job that can make Underwater Welding robot is smoothed out, and improves welding job efficiency and the quality of Underwater Welding robot.

Description

A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof
Technical field
The present invention relates to Underwater Welding drainage arrangement, particularly relate to a kind of Underwater Welding robot local dry-type Drainage arrangement and water discharge method thereof.
Background technology
Along with the fast development of national economy, land resources is continually developed utilization and is caused scarcity of resources, causes The land energy cannot meet people's life requirement, and then people seek new forms of energy to deep-sea one after another, promotes Ocean engineering development, Underwater Welding, as the important technology in ocean engineering field, just comes by more The most concerns, are built into the laying maintenance of submerged pipeline, and nuclear power from the installation of offshore oil and gas platform The work such as underwater maintenance, the figure of the Underwater Welding that is seen everywhere.And when carrying out welding job in this sea water Affected by water environment factor, need to utilize robot to replace the mankind to complete Underwater Welding task, simultaneously by In the existence of water, to-be-welded region is filled with water, and cannot be carried out welding job, in order to enable as land Equally carry out welding job, it is necessary to effectively the water of welding region is drained, so that reaching to weld as land The same effect, it is the best all to there is drainage effect in the most existing solution equipment, and apparatus structure is multiple Miscellaneous, volume is excessive and cannot be carried out all kinds weld seam such as fillet welding, V-type weldering welding shortcoming so that weldering Connecing work efficiency low, welding quality is difficult to ensure that.
Summary of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of technological means Simple and easy to do, the Underwater Welding robot local dry-type drainage arrangement of dependable performance and water discharge method thereof, solve Certainly the welding quality of solder joint under water (seam) is difficult to ensure that and inefficient asks by current Underwater Welding robot Topic.
The present invention is achieved through the following technical solutions:
A kind of Underwater Welding robot local dry-type drainage arrangement, including: upper end cover 1, outer draining cover body and It is placed in the internal drainage cover body 9 in portion in outer drainage cover body, the upper portion side wall of internal drainage cover body 9 and outer draining cover body Between be radially arranged spoiler 3;
Outer draining cover body and the underpart opening of internal drainage cover body 9, upper end seals solid by upper end cover 1 Fixed;
The upper end cover 1 of corresponding internal drainage cover body 9 inner chamber is provided with the installing hole of welding gun 10;Welding gun 10 Installing hole be provided with welding gun sealing ring 14.
Being provided with gases at high pressure air inlet 13 on upper end cover 1, gases at high pressure are passed through outer drainage cover intracoelomic cavity And the inner chamber of internal drainage cover body 9;
Described internal drainage cover body 9 is venturi tube structure.Described outer draining cover body is by upper outlet body 2 and lower cover Body 5 screw thread is fitted together to docking and forms, and joint seals and coordinates;The intracavity section pyramidal structure of lower cover 5.
The underpart opening of described lower cover 5 and the lower ending opening of internal drainage cover body 9 are in same level; Or the horizontal plane of the underpart opening of lower cover 5 is higher than the horizontal plane of the lower ending opening of internal drainage cover body 9.
Draining sealing ring 6 it is provided with, outside draining sealing ring 6 end at the underpart opening of described lower cover 5 Edge is provided with rubber skirt lining 8.
On described spoiler 3, array distribution has the through hole of up/down perforation.
Described outer draining cover body and internal drainage cover body 9 are connected with upper end cover 1 by bolt 11,12.
Water discharge method when welding workpiece under water is as follows:
The welding gun 10 installing hole by welding gun 10, stretches into the inner chamber of internal drainage cover body 9;Lower cover during welding The underpart opening of body 5 and workpiece keeping parallelism to be welded also contact;
Gases at high pressure respectively enter outer draining cover body and internal drainage cover body 9 by gases at high pressure air inlet 13 Inner chamber;
Entering the gases at high pressure of outer drainage cover intracoelomic cavity after spoiler 3, gases at high pressure are evenly distributed And at the uniform velocity enter the lower cover 5 that intracavity section is pyramidal structure, due to the lower cover 5 contraction to gases at high pressure Under effect, flow velocity increases;Meanwhile, through the high pressure of internal drainage cover body 9 inner chamber of Venturi tube structure Gas flow rate also increases;
Increase the gases at high pressure of flow velocity, in underpart opening and the lower end of internal drainage cover body 9 of lower cover 5 Opening goes out to converge and spray;
Injection and draining sealing ring 6 at gases at high pressure are made with having the common of check valve rubber skirt lining 8 Under with, the water around workpiece position to be welded is extruded and drains, and forms a high-pressure sealed local dry-type district Territory, it is achieved workpiece Underwater Welding.
The present invention, relative to prior art, has such advantages as and effect:
Intracavity section is the lower cover 5 of pyramidal structure, forms contraction structure, strengthens gases at high pressure speed and pressure Power, lower cover 5 has bonded draining sealing ring 6, the outside crinoline set 8 with an elasticity of draining sealing ring 6, Crinoline set 8 has the effect of " unidirectional " valve, prevents the water of outside to be pressed into welded seam area.
Internal drainage cover body 9 makes venturi tube structure, substantially increases the flow velocity of gases at high pressure;This " receipts Contraction-expansion is big ", it is more beneficial for the water persistently keeping draining weld seam (point) region, improves welding quality.
Gases at high pressure can be made to be uniformly distributed at spoiler 3 and at the uniform velocity enter outer drainage cover intracoelomic cavity;Outer draining Cover body is fitted together to docking is formed by upper outlet body 2 and lower cover 5 screw thread, joint seal coordinate, have installation, The advantages such as convenient disassembly.
Draining sealing ring 6 and crinoline set 8 laminating workpiece 7, under the punching press of gases at high pressure, workpiece 7 is to be welded The region connect forms a gases at high pressure local dry-type space so that Underwater Welding work can weld one as land Sample welds.
This device realizes the welding to the most various weld seams (point) of the Underwater Welding robot, such as fillet welding, V Type welderings etc., improve welding job efficiency and welding quality, promote the development of Underwater Welding engineering.
It is this device technique means reliable, highly versatile simple and easy to do, practical, stable performance, easy to use, There is positive application value.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is stereochemical structure generalized section of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is more specifically described in detail.
Embodiment
As shown in Figures 1 to 3.Underwater Welding robot of the present invention local dry-type drainage arrangement, including: on End cap 1, outer draining cover body and the internal drainage cover body 9 in portion in being placed in outer drainage cover body, internal drainage cover body 9 It has been radially arranged spoiler 3 between upper portion side wall and outer draining cover body;
Outer draining cover body and the underpart opening of internal drainage cover body 9, upper end seals solid by upper end cover 1 Fixed;
The upper end cover 1 of corresponding internal drainage cover body 9 inner chamber is provided with the installing hole of welding gun 10;Welding gun 10 Installing hole be provided with welding gun sealing ring 14.
Being provided with gases at high pressure air inlet 13 on upper end cover 1, gases at high pressure are passed through outer drainage cover intracoelomic cavity And the inner chamber of internal drainage cover body 9;
Described internal drainage cover body 9 is venturi tube structure.Described outer draining cover body is by upper outlet body 2 and lower cover Body 5 screw thread is fitted together to docking and forms, and joint seals and coordinates;The intracavity section of lower cover 5 is similar to taper knot Structure;Or the diameter of lower cover 5 inner chamber is tapered into underpart opening by joint.
The underpart opening of described lower cover 5 and the lower ending opening of internal drainage cover body 9 are in same level; Or the horizontal plane of the underpart opening of lower cover 5 is higher than the horizontal plane of the lower ending opening of internal drainage cover body 9.
Draining sealing ring 6 it is provided with, outside draining sealing ring 6 end at the underpart opening of described lower cover 5 Edge is provided with rubber skirt lining 8.
On described spoiler 3, array distribution has the through hole of up/down perforation.
Described outer draining cover body and internal drainage cover body 9 are connected with upper end cover 1 by bolt 11,12.
Water discharge method when welding workpiece under water is as follows:
The welding gun 10 installing hole by welding gun 10, stretches into the inner chamber of internal drainage cover body 9;Lower cover during welding The underpart opening of body 5 and workpiece keeping parallelism to be welded also contact;
Gases at high pressure respectively enter outer draining cover body and internal drainage cover body 9 by gases at high pressure air inlet 13 Inner chamber;
Entering the gases at high pressure of outer drainage cover intracoelomic cavity after spoiler 3, gases at high pressure are evenly distributed And at the uniform velocity enter the lower cover 5 that intracavity section is pyramidal structure, due to the lower cover 5 contraction to gases at high pressure Under effect, flow velocity increases;Meanwhile, through the high pressure of internal drainage cover body 9 inner chamber of Venturi tube structure Gas flow rate also increases;
Increase the gases at high pressure of flow velocity, in underpart opening and the lower end of internal drainage cover body 9 of lower cover 5 Opening goes out to converge and spray;
Under the injection of gases at high pressure and draining sealing ring 6 and the common effect with check valve crinoline set 8, Water around workpiece position to be welded is extruded and drains, and forms a high-pressure sealed local dry-type region, makes As Underwater Welding welds with land, it is achieved workpiece Underwater Welding.
As it has been described above, just can preferably realize the present invention.
Embodiments of the present invention are also not restricted to the described embodiments, and other are any without departing from the present invention's The change made under spirit and principle, modify, substitute, combine, simplify, all should be putting of equivalence Change mode, within being included in protection scope of the present invention.

Claims (5)

1. a Underwater Welding robot local dry-type drainage arrangement, it is characterised in that including: upper end cover (1), Outer draining cover body and be placed in the internal drainage cover body (9) in portion in outer drainage cover body, internal drainage cover body (9) upper Spoiler (3) it has been radially arranged between portion's sidewall and outer draining cover body;
Outer draining cover body and the underpart opening of internal drainage cover body (9), upper end cover (1) is passed through in upper end Seal fixing;
The upper end cover (1) of corresponding internal drainage cover body (9) inner chamber is provided with the installing hole of welding gun (10);
Being provided with gases at high pressure air inlet (13) on upper end cover (1), gases at high pressure are passed through outer drainage cover Intracoelomic cavity and the inner chamber of internal drainage cover body (9);
Described internal drainage cover body (9) is venturi tube structure;
Described outer draining cover body is fitted together to docking is formed by upper outlet body (2) and lower cover (5) screw thread, docking Place seals and coordinates;The tapered structure of intracavity section of lower cover (5);
The lower ending opening of the underpart opening of described lower cover (5) and internal drainage cover body (9) is at same water Plane;Or the horizontal plane of the underpart opening of lower cover (5) is higher than the lower end of internal drainage cover body (9) The horizontal plane of opening;
Draining sealing ring (6), draining sealing ring (6) it is provided with at the underpart opening of described lower cover (5) The outer rim of end is provided with rubber skirt lining (8).
Underwater Welding robot local dry-type drainage arrangement the most according to claim 1, it is characterised in that: The upper array distribution of described spoiler (3) has the through hole of up/down perforation.
Underwater Welding robot local dry-type drainage arrangement the most according to claim 1, it is characterised in that: Described outer draining cover body and internal drainage cover body (9) are connected with upper end cover (1) by bolt (11,12).
Underwater Welding robot local dry-type drainage arrangement the most according to claim 1, it is characterised in that: The installing hole of welding gun (10) is provided with welding gun sealing ring (14).
5. use Underwater Welding robot local dry-type drainage arrangement according to any one of Claims 1-4 The water discharge method welded workpiece under water is as follows:
The welding gun (10) installing hole by welding gun (10), stretches into the inner chamber of internal drainage cover body (9);Weldering The underpart opening of lower cover (5) and workpiece keeping parallelism to be welded contact when connecing;
Gases at high pressure respectively enter outer draining cover body and internal drainage cover body by gases at high pressure air inlet (13) (9) inner chamber;
Entering the gases at high pressure of outer drainage cover intracoelomic cavity after spoiler (3), gases at high pressure are uniformly divided Cloth also at the uniform velocity enters the lower cover (5) that intracavity section is pyramidal structure, owing to lower cover (5) is to high pressure gas Under the contraction of body, flow velocity increases;Meanwhile, through the internal drainage cover body (9) of Venturi tube structure The gases at high pressure flow velocity of inner chamber also increases;
Increase the gases at high pressure of flow velocity, at underpart opening and the internal drainage cover body (9) of lower cover (5) Lower ending opening go out to converge and spray;
At injection and the draining sealing ring (6) of gases at high pressure with have check valve rubber skirt lining (8) Under common effect, the water around workpiece position to be welded is extruded and drains, and forms a high-pressure sealed local Dry type region, it is achieved workpiece Underwater Welding.
CN201510055531.5A 2015-02-03 2015-02-03 A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof Active CN104722973B (en)

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CN105510211A (en) * 2015-11-26 2016-04-20 天津亿利科能源科技发展股份有限公司 Underwater cross-under pipe on-line monitoring device
CN105478959B (en) * 2016-01-15 2018-01-23 江苏海事职业技术学院 Underwater dry-type electric arc welder and welding method with nozzle
CN106392277A (en) * 2016-11-28 2017-02-15 江苏海事职业技术学院 Underwater local dry arc welding gun device generating vortex airflow
CN107931842B (en) * 2017-12-01 2020-06-26 哈尔滨工业大学(威海) Underwater laser additive manufacturing device and using method thereof
CN107824962B (en) * 2017-12-01 2020-06-16 哈尔滨工业大学(威海) Double-layer drainage device for underwater laser cladding and underwater laser-electric arc hybrid welding
CN107931872A (en) * 2017-12-01 2018-04-20 哈尔滨工业大学(威海) A kind of underwater laser welding drainage arrangement and its application method
CN107914085A (en) * 2017-12-01 2018-04-17 哈尔滨工业大学(威海) A kind of underwater laser welder and its application method for simulating shallow-water environment
CN107838550B (en) * 2017-12-01 2020-05-12 哈尔滨工业大学(威海) Underwater composite heat source additive manufacturing device and using method
CN108115134B (en) * 2017-12-25 2019-12-10 东南大学 Device for manufacturing local dry area for underwater scanning type laser additive manufacturing
CN108817606B (en) * 2018-07-04 2020-09-15 北京石油化工学院 Protection device for underwater high-pressure dry welding, welding device and welding method
CN108838490A (en) * 2018-07-19 2018-11-20 南昌航空大学 A kind of arcing device for the control of underwater transverse weld appearance of weld
CN109047988B (en) * 2018-09-29 2021-01-26 中国化学工程第六建设有限公司 Welding method in high humidity environment
CN109277673A (en) * 2018-11-22 2019-01-29 江苏海事职业技术学院 A kind of depressed underwater local dry cavity GMAW welding torch of structure of bilayer

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CN102950377A (en) * 2012-11-23 2013-03-06 北京石油化工学院 Local dry-type underwater friction stitch welding device
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CN86206543U (en) * 1986-11-26 1987-11-07 陈式亮 Submarine locally dry welding apparatus
CN2458117Y (en) * 2000-12-19 2001-11-07 华南理工大学 Submersible welding miniature draining device
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