CN109048135B - Welding gas protection device - Google Patents
Welding gas protection device Download PDFInfo
- Publication number
- CN109048135B CN109048135B CN201811097679.5A CN201811097679A CN109048135B CN 109048135 B CN109048135 B CN 109048135B CN 201811097679 A CN201811097679 A CN 201811097679A CN 109048135 B CN109048135 B CN 109048135B
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- welding
- gas hood
- gas
- coupling
- hood
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding gas protection device, and relates to the technical field of pipeline welding. The apparatus includes a gas shield, a welding gun, and a coupling rod assembly. The gas hood is provided with a first side surface and a second side surface which are oppositely arranged; the welding gun is connected with the gas hood and extends in the direction from the first side face to the second side face; the connecting rod assembly is arranged on the second side face of the gas hood, and is used for applying acting force on the gas hood in a preset direction under the action of the welding head, so that the gas hood can be tightly attached to a pipeline to walk, and the angle adjustment of the welding gun in a radial plane of a welding seam where the pipeline to be welded is located can be realized. The device is flexible and simple to operate, low in argon consumption, high in working efficiency, good in gas protection effect and strong in universality, and the angle of the welding gun in the radial plane of the welding seam of the pipeline to be welded can be adjusted in real time according to process requirements, so that the forming quality of the welding seam is ensured.
Description
Technical Field
The invention relates to the technical field of pipeline welding, in particular to a welding gas protection device.
Background
In the prior art, titanium and titanium alloy have active chemical properties, and a high-temperature region of a welding line is extremely easy to chemically react with nitrogen, oxygen and hydrogen in the air in the welding process, so that the performance of the welding line is influenced. Therefore, gas protection is required during welding of titanium and titanium alloys, and is a key factor for ensuring the quality of welded joints. The engineering is commonly used for argon protection by adopting a gas dragging cover, and the commonly used gas dragging cover has the following defects: (1) The degree of automation is low, and a worker is usually required to manually move the gas dragging cover; (2) Sealing performance is poor, and the general gas-dragging cover that adopts is with welder fixed connection, often needs the adjustment welder angle in the welding process according to welding process demand, and along with the progress of welding, gas-dragging cover and the surface space of waiting to weld are bigger and bigger to lead to the welding gas protection effect poor, influence welding quality.
Disclosure of Invention
The invention aims to provide a welding gas protection device which is flexible and simple to operate, low in argon consumption, high in working efficiency, good in gas protection effect and strong in universality, and the angle of a welding gun in a radial plane of a welding line of a pipeline to be welded can be adjusted in real time according to process requirements, so that the forming quality of the welding line is ensured.
Embodiments of the present invention are implemented as follows:
a welding gas protection device comprising:
the gas hood is provided with a first side surface and a second side surface which are oppositely arranged;
the welding gun is connected with the gas hood and extends in the direction from the first side face to the second side face;
the connecting rod assembly is arranged on the second side face of the gas hood and is used for applying acting force on the gas hood in a preset direction under the action of the welding head, so that the gas hood can be tightly attached to a pipeline to walk, and the angle adjustment of the welding gun in the radial plane of a welding seam where the pipeline to be welded is located can be realized.
Further, in a preferred embodiment of the present invention, the coupling rod assembly includes a threaded post, a spring, a guide sleeve, a first coupling rod, a second coupling rod, a coupling positioning post and a coupling positioning plate, one end of the threaded post is disposed on the first side surface, the other end extends away from the gas hood, the spring is sleeved on the threaded post, the guide sleeve is sleeved on the outer side of the spring and abuts against the spring, one end of the first coupling rod is sleeved on the outer side of the guide sleeve, the other end is connected with the second coupling rod, one end of the coupling positioning post is connected with the second coupling rod, the other end is connected with the coupling positioning plate, the coupling positioning plate is fixedly connected with the welding head, and the coupling rod assembly is configured to always apply a force to the spring to compress the spring in a direction approaching the gas hood under the action of the welding head so that the gas hood can walk close to the pipeline; the coupling rod assembly is further configured to allow angular adjustment of the welding gun in a radial plane at a weld of the pipe to be welded by relative movement of the guide sleeve, the first coupling rod, the second coupling rod, the coupling locator post, and the coupling locator plate.
Further, in a preferred embodiment of the present invention, the coupling rod assembly further comprises a guide block, which is sleeved outside the spring and between the spring and the guide sleeve.
Further, in a preferred embodiment of the present invention, the first coupling rod has a first coupling portion and a second coupling portion, the first coupling portion is annular and sleeved outside the guide sleeve, and the second coupling portion is rod-shaped and connected with the second coupling rod.
Further, in a preferred embodiment of the present invention, the first coupling part includes a first coupling ring and a second coupling ring, and the first coupling ring and the second coupling ring are fixedly connected by a screw.
Further, in a preferred embodiment of the present invention, the second coupling rod includes a third coupling portion and a fourth coupling portion, the third coupling portion is annular, the third coupling portion is sleeved at an end of the rod-shaped second coupling portion, and the fourth coupling portion is rod-shaped and is connected with the coupling positioning post.
Further, in a preferred embodiment of the present invention, the third coupling part includes a third coupling ring and a fourth coupling ring, and the third coupling ring and the fourth coupling ring are fixedly connected through screws.
Further, in a preferred embodiment of the present invention, the coupling positioning post is provided with a through hole, and the rod-shaped fourth coupling portion may be connected to the coupling positioning plate through the through hole.
Further, in a preferred embodiment of the present invention, the welding gas protection device further comprises a gas cap connection plate, a first end of the gas cap connection plate is fixedly connected with the gas cap, and a second end of the gas cap connection plate is fixedly connected with a towing cap hanging ring of the welding gun.
Further, in the preferred embodiment of the present invention, the first end of the gas hood connecting plate and the gas hood, and the second end of the gas hood connecting plate and the towing hood hanging ring are connected and fixed by adopting hexagon socket head cap screws.
Further, in the preferred embodiment of the present invention, the number of the gas hood connecting plates is two, and the two gas hood connecting plates are oppositely arranged at two sides of the gas hood.
The embodiment of the invention has at least the following advantages or beneficial effects:
embodiments of the present invention provide a welding gas shield apparatus that includes a gas shield, a welding gun, and a coupling rod assembly. The gas hood is provided with a first side surface and a second side surface which are oppositely arranged; the welding gun is connected with the gas hood and extends in the direction from the first side face to the second side face; the connecting rod assembly is arranged on the second side face of the gas hood, and is used for applying acting force on the gas hood in a preset direction under the action of the welding head, so that the gas hood can be tightly attached to a pipeline to walk, and the angle adjustment of the welding gun in a radial plane of a welding seam where the pipeline to be welded is located can be realized. Through the arrangement of the connecting rod assembly, the gas hood can be tightly attached to the pipeline to walk, so that the forming quality of the welding seam is ensured. Meanwhile, the angle adjustment of the welding gun in the radial plane of the welding seam where the pipeline to be welded is positioned can be driven, so that the design and operation are flexible, simple and convenient, the argon consumption is low, the working efficiency is high, the gas protection effect is good, and the universality is strong.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a welding gas protection device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a welding gas shielding device according to an embodiment of the present invention.
Icon: 100-welding gas protection device; 101-an air hood; 103-a first side; 105-second side; 107-welding gun; 109-a coupling rod assembly; 111-threaded posts; 112-a guide block; 113-a spring; 115-guiding sleeve; 117-a first coupling rod; 119-a second coupling rod; 121-connecting a positioning column; 123-connecting a positioning plate; 125-a first coupling portion; 127-a second coupling; 129-a first coupling ring; 131-a second coupling ring; 133-a third coupling; 135-fourth coupling parts; 137-a third coupling ring; 139-a fourth coupling ring; 141-a gas hood connecting plate; 143-drag cover hanging ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In describing embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Fig. 1 is a schematic structural diagram of a welding gas protection device 100 according to the present embodiment; fig. 2 is a schematic cross-sectional view of a welding gas shielding device 100 according to the present embodiment. Referring to fig. 1 and 2, the present embodiment provides a welding gas protection device 100, which includes: a gas cap 101, a welding gun 107, and a coupling rod assembly 109.
Referring again to fig. 1 and 2, the gas hood 101 has a first side 103 and a second side 105 disposed opposite to each other; the welding gun 107 is connected with the gas hood 101 and extends in the direction from the first side 103 to the second side 105; the coupling rod assembly 109 is disposed on the second side 105 of the gas hood 101, and the coupling rod assembly 109 is configured to apply an acting force on the gas hood 101 in a preset direction under the action of the welding head, so that the gas hood 101 can walk close to a pipeline, and drive the welding gun 107 to perform angle adjustment in a radial plane of a welding seam where the pipeline to be welded is located. By the arrangement of the coupling rod assembly 109, the hood 101 can be made to walk against the pipe, thereby ensuring the quality of the weld formation. Meanwhile, the angle of the welding gun 107 in the radial plane of the welding seam of the pipeline to be welded can be adjusted, so that the design and operation are flexible, simple and convenient, the argon consumption is low, the working efficiency is high, the gas protection effect is good, and the universality is strong.
In detail, referring to fig. 1 and 2 again, in the present embodiment, the coupling rod assembly 109 includes a threaded column 111, a spring 113, a guide sleeve 115, a first coupling rod 117, a second coupling rod 119, a coupling positioning column 121 and a coupling positioning plate 123, one end of the threaded column 111 is disposed on the second side 105, the other end extends away from the gas hood 101, the spring 113 is sleeved on the threaded column 111, the guide sleeve 115 is sleeved on the outer side of the spring 113 and abuts against the spring 113, one end of the first coupling rod 117 is sleeved on the outer side of the guide sleeve 115, the other end is connected with the second coupling rod 119, one end of the coupling positioning column 121 is connected with the second coupling rod 119, the other end is connected with the coupling positioning plate 123, the coupling positioning plate 123 is used for fixedly connecting with a welding head, the coupling rod assembly 109 is configured to always apply a force to the spring 113 to compress the spring 113 in a direction approaching the gas hood 101 under the action of the welding head, and the gas hood 101 can walk tightly against a pipeline after receiving the elastic force transmitted by the spring 113; the coupling rod assembly 109 is further configured to be angularly adjustable by relative rotational movement of the guide sleeve 115, the first coupling rod 117, the second coupling rod 119, the coupling locator post 121, and the coupling locator plate 123 to cause the welding gun 107 to be angularly adjusted in a radial plane at the weld of the pipe to be welded.
Preferably, the coupling rod assembly 109 further comprises a guide block 112, which is sleeved outside the spring 113 and between the spring 113 and the guide sleeve 115. The arrangement of the guide block 112 can effectively limit the movement track of the spring 113, so that the acting force of the guide sleeve 115 is effectively transmitted to the gas cover 101 through the spring 113, the gas cover 101 can be further ensured to be tightly clung to a pipeline to walk, and the quality of weld joint formation can be further ensured.
Referring to fig. 1 and 2 again, in the present embodiment, the first coupling rod 117 has a first coupling portion 125 and a second coupling portion 127, the first coupling portion 125 is annular and sleeved outside the guide sleeve 115, and the second coupling portion 127 is rod-shaped and connected to the second coupling rod 119. By providing the annular first coupling portion 125, not only the guide sleeve can be stabilized, but also the clamping force is given to the guide sleeve 115, so that the force in the preset direction can be applied conveniently, and the spring 113 is compressed. Meanwhile, the first connecting part arranged in an annular mode can be conveniently detached from and replaced with the guide sleeve 115, convenience of the whole device is improved, and the welding gun 107 is conveniently driven to conduct angle adjustment in a radial plane of a welding seam where a pipeline to be welded is located.
In detail, the first coupling portion 125 includes a first coupling ring 129 and a second coupling ring 131, and the first coupling ring 129 and the second coupling ring 131 are fixedly connected by a screw. When the first coupling portion 125 is sleeved outside the guide sleeve 115, the first and second coupling rings 129 and 131 may be wrapped around the guide sleeve 115 and then fixed by screws. When the first coupling portion 125 needs to be removed from the outside of the guide sleeve 115, the screw may be loosened so that the connection portion of the first coupling ring 129 and the second coupling ring 131 is loosened.
Referring to fig. 1 and 2 again, in the present embodiment, the second coupling rod 119 includes a third coupling portion 133 and a fourth coupling portion 135, the third coupling portion 133 is annular, the third coupling portion 133 is sleeved at an end of the rod-shaped second coupling portion 127, and the fourth coupling portion 135 is rod-shaped and is connected to the coupling positioning post 121. The annular third connecting portion 133 not only can stabilize the end portion of the first connecting rod 117 and give the second connecting portion 127 stable clamping force, so that the force in the preset direction can be conveniently applied, and the first connecting rod 117 drives the guide sleeve to move to compress the spring 113. Meanwhile, the third connecting part arranged in the annular shape can be conveniently detached from and replaced with the first connecting rod 117, so that the convenience of the whole device is improved, and the welding gun 107 is conveniently driven to conduct angle adjustment in the radial plane of the welding seam where the pipeline to be welded is located.
In detail, the third coupling part 133 includes a third coupling ring 137 and a fourth coupling ring 139, and the third coupling ring 137 and the fourth coupling ring 139 are fixedly connected by screws. When the third coupling part 133 is sleeved outside the second coupling part 127, the third coupling ring 137 and the fourth coupling ring 139 may be wrapped around the second coupling part 127 and then fixed by screws. When the third coupling part 133 needs to be removed from the end of the second coupling part 127, the screw may be loosened so that the connection portion of the third coupling ring 137 and the fourth coupling ring 139 is loosened.
Referring to fig. 1 and 2 again, in the present embodiment, the connecting positioning post 121 is provided with a through hole, and the rod-shaped fourth connecting portion 135 can pass through the through hole to connect with the connecting positioning plate 123. It should be noted that, the coupling positioning post 121 may also include two opposite coupling plates, where a through hole is formed between the coupling plates, and the two coupling plates may be locked by a screw, etc., which is not limited by the embodiment of the present invention.
Referring to fig. 1 and 2 again, in this embodiment, in order to improve stability of the welding gun 107, a gas hood connecting plate 141 may be further disposed on the welding gas protection device 100, a first end of the gas hood connecting plate 141 is fixedly connected to the gas hood 101, and a second end of the gas hood connecting plate 141 is fixedly connected to a towing hood hanging ring 143 of the welding gun 107. The stability of the lower end of the welding gun 107 can be effectively improved through the arrangement of the gas hood connecting plate 141, and then the stability of the whole welding gun 107 in the walking process is ensured.
Specifically, in the present embodiment, the first end of the gas hood connecting plate 141 and the gas hood 101, and the second end of the gas hood connecting plate 141 and the towing hood hanging ring 143 are all connected and fixed by using hexagon socket head cap screws. Of course, in other embodiments of the present invention, the connection manner between the first end of the air hood connecting plate 141 and the air hood 101, and the connection manner between the second end of the air hood connecting plate 141 and the towing hood hanging ring 143 may be selected according to the requirements, and is not limited to the screw connection.
In the present embodiment, the number of the gas hood connecting plates 141 is two, and the two gas hood connecting plates 141 are disposed on both sides of the gas hood 101. The relative positions between the welding gun 107 and the gas hood 101 can be effectively fixed through the arrangement of the two gas hood connecting plates 141 which are oppositely arranged at the two sides of the gas hood 101, so that the normal and efficient performance of various operations is ensured. Of course, in other embodiments of the present invention, the number of the gas hood connecting plates 141 is plural, and the plurality of gas hood connecting plates 141 are disposed on two sides of the gas hood 101, for example, four, six, etc., which is not limited in the embodiments of the present invention.
In view of the foregoing, embodiments of the present invention provide a welding gas shielding device 100 that includes a gas shield 101, a welding gun 107, and a coupling rod assembly 109. Wherein the gas hood 101 has a first side 103 and a second side 105 disposed opposite to each other; the welding gun 107 is connected with the gas hood 101 and extends in the direction from the first side 103 to the second side 105; the coupling rod assembly 109 is disposed on the second side 105 of the gas hood 101, and the coupling rod assembly 109 is configured to apply an acting force on the gas hood 101 in a preset direction under the action of the welding head, so that the gas hood 101 can walk close to a pipeline, and further, the welding gun 107 can be driven to perform angle adjustment in a radial plane of a welding seam where the pipeline to be welded is located. By the arrangement of the coupling rod assembly 109, the hood 101 can be made to walk against the pipe, thereby ensuring the quality of the weld formation. Meanwhile, through the linkage of the connecting rod assembly 109, the welding gun 107 can be driven to conduct angle adjustment in the radial plane of the welding seam where the pipeline to be welded is located under the action of the welding head, and the device is flexible and convenient in design and operation, low in argon consumption, high in working efficiency, good in gas protection effect and strong in universality.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A welding gas protection device, comprising:
the device comprises a gas hood, a first cover and a second cover, wherein the gas hood is provided with a first side surface and a second side surface which are oppositely arranged;
the welding gun is connected with the gas hood and extends in the direction from the first side face to the second side face;
the connecting rod assembly is arranged on the second side surface of the gas hood and is used for applying acting force on the gas hood in a preset direction under the action of a welding machine head, so that the gas hood can be tightly attached to a pipeline to walk, and the angle adjustment of the welding gun in a radial plane of a welding seam where a pipeline to be welded is located can be realized;
the connecting rod assembly comprises a threaded column, a spring, a guide sleeve, a first connecting rod, a second connecting rod, a connecting positioning column and a connecting positioning plate, wherein one end of the threaded column is arranged on the first side surface, the other end of the threaded column extends in a direction away from the gas hood, the spring is sleeved on the threaded column, the guide sleeve is sleeved on the outer side of the spring and is abutted to the spring, one end of the first connecting rod is sleeved on the outer side of the guide sleeve, the other end of the first connecting rod is connected with the second connecting rod, one end of the connecting positioning column is connected with the second connecting rod, the other end of the connecting positioning column is connected with the connecting positioning plate, the connecting positioning plate is used for being fixedly connected with the welding head, and the connecting rod assembly is configured to always apply acting force for enabling the spring to compress in a direction close to the gas hood under the action of the welding head so that the gas hood can be tightly attached to a pipeline; the coupling rod assembly is further configured to enable the welding gun to conduct angle adjustment in a radial plane of a welding line where a pipe to be welded is located through relative movement of the guide sleeve, the first coupling rod, the second coupling rod, the coupling positioning column and the coupling positioning plate;
the connecting rod assembly further comprises a guide block, wherein the guide block is sleeved on the outer side of the spring and is positioned between the spring and the guide sleeve;
the first connecting rod is provided with a first connecting part and a second connecting part, the first connecting part is annular and sleeved on the outer side of the guide sleeve, and the second connecting part is rod-shaped and connected with the second connecting rod.
2. The welding gas protection device of claim 1, wherein:
the first connecting part comprises a first connecting ring and a second connecting ring, and the first connecting ring is fixedly connected with the second connecting ring through screws.
3. The welding gas protection device of claim 1, wherein:
the second connecting rod comprises a third connecting part and a fourth connecting part, the third connecting part is annular, the third connecting part is sleeved at the end part of the rod-shaped second connecting part, and the fourth connecting part is rod-shaped and is connected with the connecting positioning column.
4. A welding gas protection device according to claim 3, characterized in that:
the third connecting part comprises a third connecting ring and a fourth connecting ring, and the third connecting ring is fixedly connected with the fourth connecting ring through a screw.
5. A welding gas protection device according to claim 3, characterized in that:
the connecting positioning column is provided with a through hole, and the rod-shaped fourth connecting part can penetrate through the through hole to be connected with the connecting positioning plate.
6. The welding gas protection device of any one of claims 1 to 5, wherein:
the welding gas protection device further comprises a gas hood connecting plate, a first end of the gas hood connecting plate is fixedly connected with the gas hood, and a second end of the gas hood connecting plate is fixedly connected with a towing hood hanging ring of the welding gun.
7. The welding gas protection device of claim 6, wherein:
the first end of the gas hood connecting plate is connected with the gas hood, and the second end of the gas hood connecting plate is connected with the towing hood hanging ring by adopting hexagon socket head cap screws and is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097679.5A CN109048135B (en) | 2018-09-19 | 2018-09-19 | Welding gas protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811097679.5A CN109048135B (en) | 2018-09-19 | 2018-09-19 | Welding gas protection device |
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| CN109048135A CN109048135A (en) | 2018-12-21 |
| CN109048135B true CN109048135B (en) | 2023-09-19 |
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| CN201811097679.5A Active CN109048135B (en) | 2018-09-19 | 2018-09-19 | Welding gas protection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590581B (en) * | 2018-12-29 | 2021-09-21 | 武船重型工程股份有限公司 | Automatic bridge steel welding machine |
| CN110064845A (en) * | 2019-05-07 | 2019-07-30 | 武汉金顿激光科技有限公司 | A kind of gas shield device of hybrid Laser-Arc Welding machine |
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| WO2017015778A1 (en) * | 2015-07-29 | 2017-02-02 | 洛阳德平科技股份有限公司 | Gas shielding internal welding apparatus for pipeline |
| CN206702437U (en) * | 2017-04-17 | 2017-12-05 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of protection gas hood connect for plasma MIG welding |
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| CN207447668U (en) * | 2017-11-03 | 2018-06-05 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of pipeline all position welding back-protective and sealing run observing system |
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2018
- 2018-09-19 CN CN201811097679.5A patent/CN109048135B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017015778A1 (en) * | 2015-07-29 | 2017-02-02 | 洛阳德平科技股份有限公司 | Gas shielding internal welding apparatus for pipeline |
| CN206702437U (en) * | 2017-04-17 | 2017-12-05 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of protection gas hood connect for plasma MIG welding |
| CN107639331A (en) * | 2017-11-01 | 2018-01-30 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of all positon Plasma Welding system |
| CN207447668U (en) * | 2017-11-03 | 2018-06-05 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of pipeline all position welding back-protective and sealing run observing system |
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| CN109048135A (en) | 2018-12-21 |
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