CN104722973A - Local dry type drainage device for underwater welding robot and drainage method thereof - Google Patents
Local dry type drainage device for underwater welding robot and drainage method thereof Download PDFInfo
- Publication number
- CN104722973A CN104722973A CN201510055531.5A CN201510055531A CN104722973A CN 104722973 A CN104722973 A CN 104722973A CN 201510055531 A CN201510055531 A CN 201510055531A CN 104722973 A CN104722973 A CN 104722973A
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- cover body
- gases
- high pressure
- welding robot
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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
- B23K9/00—Arc welding or cutting
- B23K9/0061—Underwater arc welding
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
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Abstract
The invention discloses a local dry type drainage device for an underwater welding robot and a drainage method thereof. The local dry type drainage device for the underwater welding robot comprises an upper end cover, an outer drainage cover body, an inner drainage cover body and a spoiler, wherein the inner drainage cover body is arranged in the outer drainage cover body, the lower end of the outer drainage cover body and the lower end of the inner drainage cover body are open, and the upper end of the outer drainage cover body and the upper end of the inner drainage cover body are sealed and fixed through the upper end cover; an installation hole for a welding gun and a high-pressure gas inlet are formed in the upper portion of the upper end cover, and high-pressure gas is introduced into an inner cavity of the outer drainage cover body and an inner cavity of the inner drainage cover body. The local dry type drainage device for the underwater welding robot is reasonable in design, reliable in performance, simple in structure and convenient to use, the problem that the underwater welding robot is affected by the water environment factor when used for welding can be effectively solved, welding can be conducted by the underwater welding robot smoothly by the adoption of the drainage device, and the welding efficiency and the welding quality of the underwater welding robot are improved.
Description
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, cause the land energy cannot meet people's life requirement, so people seek new forms of energy to deep-sea one after another, promoted ocean engineering development, Underwater Welding is as the important technology in ocean engineering field, just receiving increasing concern, the laying maintenance of submerged pipeline is built into from the installation of offshore oil and gas platform, and the work such as nuclear power underwater maintenance, the figure of the Underwater Welding that is seen everywhere.And when carrying out welding job in this seawater, be subject to water environment factor impact, need to utilize robot to replace the mankind to complete Underwater Welding task, simultaneously due to the existence of water, to-be-welded region is filled with water, and welding job cannot be carried out, in order to welding job can be carried out as land, effectively the water of welding region must be drained, so that reach can as land welding effect, now all to there is drainage effect not good for existing solution equipment, and apparatus structure is complicated, volume is excessive and cannot carry out fillet welding, the shortcoming of all kinds weld seam welding such as V-type weldering, make welding job inefficiency, welding quality is difficult to ensure.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming above-mentioned prior art, there is provided that a kind of technological means is simple and easy to do, the Underwater Welding robot local dry-type drainage arrangement of dependable performance and water discharge method thereof, solve current Underwater Welding robot and be difficult to ensure and inefficient problem to the welding quality of solder joint (seam) under water.
The present invention is achieved through the following technical solutions:
A kind of Underwater Welding robot local dry-type drainage arrangement, comprising: upper end cover 1, outer draining cover body and be placed in the internal drainage cover body 9 of outer draining cover body inside, and between the upper portion side wall of internal drainage cover body 9 and outer draining cover body, radial direction is provided with spoiler 3;
The underpart opening of outer draining cover body and internal drainage cover body 9, upper end seals fixing by upper end cover 1;
The upper end cover 1 of corresponding internal drainage cover body 9 inner chamber is provided with the installing hole of welding gun 10; The installing hole of welding gun 10 is provided with welding gun sealing ring 14.
Upper end cover 1 is provided with gases at high pressure air inlet 13, and gases at high pressure pass into the inner chamber of outer drainage cover intracoelomic cavity and 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 by upper outlet body 2 and lower cover 5 screw thread and forms, and joint is sealed and matched; 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.
The underpart opening place of described lower cover 5 is provided with draining sealing ring 6, and the outer rim of draining sealing ring 6 end 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 is connected with upper end cover 1 by bolt 11,12 with internal drainage cover body 9.
Water discharge method when welding workpiece is under water as follows:
Welding gun 10, by the installing hole of welding gun 10, stretches into the inner chamber of internal drainage cover body 9; During welding, the underpart opening of lower cover 5 contacts with workpiece keeping parallelism to be welded;
Gases at high pressure enter the inner chamber of outer draining cover body and internal drainage cover body 9 respectively by gases at high pressure air inlet 13;
Enter 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, and under the contraction due to lower cover 5 pairs of gases at high pressure, flow velocity increases; Meanwhile, the gases at high pressure flow velocity through internal drainage cover body 9 inner chamber of Venturi tube structure also increases;
Increase the gases at high pressure of flow velocity, go out to converge at the underpart opening of lower cover 5 and the lower ending opening of internal drainage cover body 9 and spray;
The injection of gases at high pressure and draining sealing ring 6 and there is check valve rubber skirt lining 8 acting in conjunction under, the water around workpiece position to be welded is extruded and drains, and forms a high-pressure sealed local dry-type region, realizes workpiece Underwater Welding.
The present invention, relative to prior art, has following advantage and effect:
Intracavity section is the lower cover 5 of pyramidal structure, form contraction structure, strengthen gases at high pressure speed and pressure, lower cover 5 has bonded draining sealing ring 6, draining sealing ring 6 outside has a flexible crinoline cover 8, crinoline cover 8 has the effect of " unidirectional " valve, prevents outside water 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 " shrink-expand ", is more conducive to the water that lasting maintenance drains 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 by upper outlet body 2 and lower cover 5 screw thread and forms, and joint is sealed and matched, and has the advantages such as installation, convenient disassembly.
Draining sealing ring 6 and crinoline cover 8 laminating workpiece 7, under the punching press of gases at high pressure, workpiece 7 region to be welded forms a gases at high pressure local dry-type space, and Underwater Welding work can be welded as the weldering of land.
This device realizes the welding of Underwater Welding robot to various weld seam (point) under water, and such as fillet welding, V-type weldering etc. improve welding job efficiency and welding quality, promote the development of Underwater Welding engineering.
This device technique means are simple and easy to do, practical reliable, highly versatile, stable performance, easy to use, there is positive application value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
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, comprising: upper end cover 1, outer draining cover body and be placed in the internal drainage cover body 9 of outer draining cover body inside, and between the upper portion side wall of internal drainage cover body 9 and outer draining cover body, radial direction is provided with spoiler 3;
The underpart opening of outer draining cover body and internal drainage cover body 9, upper end seals fixing by upper end cover 1;
The upper end cover 1 of corresponding internal drainage cover body 9 inner chamber is provided with the installing hole of welding gun 10; The installing hole of welding gun 10 is provided with welding gun sealing ring 14.
Upper end cover 1 is provided with gases at high pressure air inlet 13, and gases at high pressure pass into the inner chamber of outer drainage cover intracoelomic cavity and 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 by upper outlet body 2 and lower cover 5 screw thread and forms, and joint is sealed and matched; The similar pyramidal structure of intracavity section of lower cover 5; Or the diameter of lower cover 5 inner chamber is diminished to underpart opening gradually 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.
The underpart opening place of described lower cover 5 is provided with draining sealing ring 6, and the outer rim of draining sealing ring 6 end 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 is connected with upper end cover 1 by bolt 11,12 with internal drainage cover body 9.
Water discharge method when welding workpiece is under water as follows:
Welding gun 10, by the installing hole of welding gun 10, stretches into the inner chamber of internal drainage cover body 9; During welding, the underpart opening of lower cover 5 contacts with workpiece keeping parallelism to be welded;
Gases at high pressure enter the inner chamber of outer draining cover body and internal drainage cover body 9 respectively by gases at high pressure air inlet 13;
Enter 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, and under the contraction due to lower cover 5 pairs of gases at high pressure, flow velocity increases; Meanwhile, the gases at high pressure flow velocity through internal drainage cover body 9 inner chamber of Venturi tube structure also increases;
Increase the gases at high pressure of flow velocity, go out to converge at the underpart opening of lower cover 5 and the lower ending opening of internal drainage cover body 9 and spray;
The injection of gases at high pressure and draining sealing ring 6 and there is check valve crinoline cover 8 acting in conjunction under, water around workpiece position to be welded is extruded and drains, form a high-pressure sealed local dry-type region, make Underwater Welding weld the same with land, realize workpiece Underwater Welding.
As mentioned above, just the present invention can be realized preferably.
Embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a Underwater Welding robot local dry-type drainage arrangement, it is characterized in that comprising: upper end cover (1), outer draining cover body and be placed in the internal drainage cover body (9) of outer draining cover body inside, between the upper portion side wall of internal drainage cover body (9) and outer draining cover body, radial direction is provided with spoiler (3);
The underpart opening of outer draining cover body and internal drainage cover body (9), upper end is fixing by upper end cover (1) sealing;
The upper end cover (1) of corresponding internal drainage cover body (9) inner chamber is provided with the installing hole of welding gun (10);
Upper end cover (1) is provided with gases at high pressure air inlet (13), and gases at high pressure pass into the inner chamber of outer drainage cover intracoelomic cavity and internal drainage cover body (9).
2. Underwater Welding robot local dry-type drainage arrangement according to claim 1, is characterized in that: described internal drainage cover body (9) is venturi tube structure.
3. Underwater Welding robot local dry-type drainage arrangement according to claim 1, is characterized in that: described outer draining cover body is fitted together to docking is formed by upper outlet body (2) and lower cover (5) screw thread, and joint is sealed and matched; The tapered structure of intracavity section of lower cover (5).
4. Underwater Welding robot local dry-type drainage arrangement according to claim 3, is characterized in that: 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).
5. Underwater Welding robot local dry-type drainage arrangement according to claim 3, it is characterized in that: the underpart opening place of described lower cover (5) is provided with draining sealing ring (6), the outer rim of draining sealing ring (6) end is provided with rubber skirt lining (8).
6. Underwater Welding robot local dry-type drainage arrangement according to any one of claim 1 to 5, is characterized in that: the upper array distribution of described spoiler (3) has the through hole of up/down perforation.
7. Underwater Welding robot local dry-type drainage arrangement according to claim 1 or 2, is characterized in that: described outer draining cover body is connected with upper end cover (1) by bolt (11,12) with internal drainage cover body (9).
8. Underwater Welding robot local dry-type drainage arrangement according to claim 1 or 2, is characterized in that: the installing hole of welding gun (10) is provided with welding gun sealing ring (14).
9. adopt the water discharge method that according to any one of claim 1 to 8, Underwater Welding robot local dry-type drainage arrangement welds workpiece under water as follows:
Welding gun (10), by the installing hole of welding gun (10), stretches into the inner chamber of internal drainage cover body (9); During welding, the underpart opening of lower cover (5) contacts with workpiece keeping parallelism to be welded;
Gases at high pressure enter the inner chamber of outer draining cover body and internal drainage cover body (9) respectively by gases at high pressure air inlet (13);
Enter 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, because lower cover (5) is under the contraction of gases at high pressure, flow velocity increases; Meanwhile, the gases at high pressure flow velocity through internal drainage cover body (9) inner chamber of Venturi tube structure also increases;
Increase the gases at high pressure of flow velocity, go out to converge at the underpart opening of lower cover (5) and the lower ending opening of internal drainage cover body (9) and spray;
The injection of gases at high pressure and draining sealing ring (6) and there is check valve rubber skirt lining (8) acting in conjunction under, water around workpiece position to be welded is extruded and drains, form a high-pressure sealed local dry-type region, realize workpiece Underwater Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055531.5A CN104722973B (en) | 2015-02-03 | 2015-02-03 | A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510055531.5A CN104722973B (en) | 2015-02-03 | 2015-02-03 | A kind of Underwater Welding robot local dry-type drainage arrangement and water discharge method thereof |
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| CN104722973A true CN104722973A (en) | 2015-06-24 |
| CN104722973B CN104722973B (en) | 2016-10-05 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478959A (en) * | 2016-01-15 | 2016-04-13 | 江苏海事职业技术学院 | Underwater dry electric arc welding device with nozzle and welding method |
| 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 |
| 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 |
| CN106624258A (en) * | 2017-01-20 | 2017-05-10 | 华南理工大学 | Miniature drainage cover for local dry welding underwater robot of double-airflow structure |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN107838550A (en) * | 2017-12-01 | 2018-03-27 | 哈尔滨工业大学（威海） | A kind of underwater composite heat power supply increasing material manufacturing device and 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 |
| 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 |
| CN107931842A (en) * | 2017-12-01 | 2018-04-20 | 哈尔滨工业大学（威海） | A kind of underwater laser increasing material manufacturing device and its application method |
| CN108115134A (en) * | 2017-12-25 | 2018-06-05 | 东南大学 | For manufacturing Local Dry area to carry out the device of underwater scanning type laser increasing material manufacturing |
| CN108817606A (en) * | 2018-07-04 | 2018-11-16 | 北京石油化工学院 | High undersea hydrostatic pressures dry type welding protective device, welder 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 |
| CN109047988A (en) * | 2018-09-29 | 2018-12-21 | 中国化学工程第六建设有限公司 | Welding method in high humidity environment |
| WO2020103625A1 (en) * | 2018-11-22 | 2020-05-28 | 江苏海事职业技术学院 | Underwater local dry gmaw torch with double-layer gas structure |
| CN111238176A (en) * | 2019-08-30 | 2020-06-05 | 苏州热工研究院有限公司 | Centrifugal dehydration type underwater local drying air chamber and drying process |
| CN113977035A (en) * | 2021-10-20 | 2022-01-28 | 哈尔滨工业大学（威海） | Protective device for liquid protection welding and using method thereof |
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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 |
| CN103433606A (en) * | 2013-08-19 | 2013-12-11 | 天津大学 | Special portable miniature drainage cover for automatic underwater local dry-method welding |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105478959A (en) * | 2016-01-15 | 2016-04-13 | 江苏海事职业技术学院 | Underwater dry electric arc welding device with nozzle and welding method |
| 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 |
| CN106624258A (en) * | 2017-01-20 | 2017-05-10 | 华南理工大学 | Miniature drainage cover for local dry welding underwater robot of double-airflow structure |
| 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 |
| CN107824962A (en) * | 2017-12-01 | 2018-03-23 | 哈尔滨工业大学（威海） | Double-layer drainage device is used in underwater laser cladding and the electric arc combined welding of underwater laser |
| CN107838550A (en) * | 2017-12-01 | 2018-03-27 | 哈尔滨工业大学（威海） | A kind of underwater composite heat power supply increasing material manufacturing device and 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 |
| 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 |
| CN107931842A (en) * | 2017-12-01 | 2018-04-20 | 哈尔滨工业大学（威海） | A kind of underwater laser increasing material manufacturing device and its application method |
| 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 |
| CN108115134A (en) * | 2017-12-25 | 2018-06-05 | 东南大学 | For manufacturing Local Dry area to carry out the device of underwater scanning type laser increasing material manufacturing |
| CN108817606A (en) * | 2018-07-04 | 2018-11-16 | 北京石油化工学院 | High undersea hydrostatic pressures dry type welding protective device, welder and welding method |
| 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 |
| CN109047988A (en) * | 2018-09-29 | 2018-12-21 | 中国化学工程第六建设有限公司 | Welding method in high humidity environment |
| 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 |
| WO2020103625A1 (en) * | 2018-11-22 | 2020-05-28 | 江苏海事职业技术学院 | Underwater local dry gmaw torch with double-layer gas structure |
| CN111238176A (en) * | 2019-08-30 | 2020-06-05 | 苏州热工研究院有限公司 | Centrifugal dehydration type underwater local drying air chamber and drying process |
| CN111238176B (en) * | 2019-08-30 | 2024-02-13 | 苏州热工研究院有限公司 | Centrifugal dehydration type underwater local drying air chamber and drying process |
| CN113977035A (en) * | 2021-10-20 | 2022-01-28 | 哈尔滨工业大学（威海） | Protective device for liquid protection welding and using method thereof |
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| CN104722973B (en) | 2016-10-05 |
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