CN116752747A - A weatherproof device for cylinder outdoor welding operations and its installation method - Google Patents
A weatherproof device for cylinder outdoor welding operations and its installation method Download PDFInfo
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- CN116752747A CN116752747A CN202310652203.8A CN202310652203A CN116752747A CN 116752747 A CN116752747 A CN 116752747A CN 202310652203 A CN202310652203 A CN 202310652203A CN 116752747 A CN116752747 A CN 116752747A
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- weather
- support
- platform
- transverse
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Classifications
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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 for a procedure covered by only one of the other main groups of this subclass
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/15—Scaffolds primarily resting on the ground essentially comprising special means for supporting or forming platforms; Platforms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/10—Steps or ladders specially adapted for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/12—Canopies
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/24—Scaffolds primarily resting on the ground comprising essentially special base constructions; comprising essentially special ground-engaging parts, e.g. inclined struts, wheels
- E04G2001/242—Scaffolds movable on wheels or tracks
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a weather-proof device for outdoor welding operation of cylinders, which comprises a door-shaped bracket formed by constructing steel pipes and buckles, wherein the outer part of the door-shaped bracket is covered by weather-proof tarpaulin, the door-shaped bracket comprises a top transverse bracket and vertical brackets symmetrically arranged on two sides of the top transverse bracket, the space surrounded by the bottom surface of the top transverse bracket and the inner side surfaces of the two vertical brackets is the operation space for welding operation of butt joint circular seams of the transversely placed cylinders, universal wheels are arranged at the bottom of each vertical bracket, a plurality of layers of first platforms and climbing ladders are arranged in each vertical bracket at intervals up and down, a second platform is arranged in the top transverse bracket, and a plurality of groups of vertical strut groups are arranged along the length direction of the top transverse bracket at intervals. The weather-proof device has the dual functions of preventing wind and rain and providing an operation platform for operators, and has the advantages of simple structure, easy manufacture, convenient installation and disassembly, low manufacturing cost, safety and reliability, and can adjust the overall specification of the device according to actual needs and repeatedly use various materials.
Description
Technical Field
The invention relates to the field of outdoor welding operation in the industrial field, in particular to a weather-proof device for cylinder outdoor welding operation and an installation method thereof.
Background
The severe welding environment of outdoor welding operation often brings certain influence to welding quality, and especially the influence of wind and rain on welding is very big, so that it is very critical to take weather-proof measures in the welding process. For large cylindrical devices, which are large in size and can reach several meters in diameter, a certain amount of welding work is arranged outdoors, such as large-section butt-joint girth welding, and due to the large size, the weather-proof measures need to be comprehensively considered in terms of labor and material cost and protection effect. The existing weather-proof facility has the forms of a movable shed structure and a local structure, angle steel is mostly selected as a material for manufacturing and is erected in a welding mode, the material cost is high, and the weather-proof facility is mostly of a shaped structure and has a single function.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a weather-proof device for cylinder outdoor welding operation and an installation method thereof.
The technical scheme adopted for solving the technical problems is as follows: a weather proofing device for outdoor welding operation of drum, includes the door type support that forms by steel pipe and buckle is built, the outside of door type support shelter from by weather proof tarpaulin, weather proof tarpaulin pass through the ligature mode and be fixed in the door type support, the door type support include the horizontal support in top and the vertical support of symmetry setting in the horizontal support both sides in top, the bottom surface of the horizontal support in top and two the space that the medial surface of vertical support encloses be the operation space that carries out welding operation to the butt joint girth of the drum of putting transversely, every the bottom of vertical support install the universal wheel, every vertical support in the interval about be equipped with multilayer first platform, be equipped with the cat ladder between the adjacent two-layer first platform about, the horizontal support in top be equipped with the second platform, the second platform run through the length direction setting of the horizontal support in top, the length direction interval of the horizontal support be equipped with multiunit vertical pillar group, every group vertical pillar group including a plurality of vertical pillars that set up, in the vertical pillar group's bottom in the vertical pillar group's of vertical pillar welding operation closely contacts with the vertical pillar group's vertical pillar surface.
Preferably, each vertical support is a square frame structure formed by four stand columns arranged at intervals, four transverse columns are arranged on the periphery of each first platform, two ends of each transverse column are connected with two adjacent stand columns through buckles respectively, the four transverse columns form a square frame in a surrounding mode, one layer of first platform is welded on the inner side of each square frame, and a ladder stand in each vertical support is located on one side, away from the working space, of each vertical support.
Preferably, the upper side of the first platform of each layer is provided with a fence, the fence is connected with the upright post through a buckle, and all three sides of each vertical support except the inner side face are provided with fences. And the rail is arranged on three sides of the upper side of each layer of first platform, so that the safety of operators in the operation process is ensured.
Preferably, the distance between the fence on the upper side of the first platform and the first platform of each layer is 500mm.
Preferably, the top transverse support is a square frame structure formed by four transverse struts arranged at intervals, each transverse strut is connected with the upright posts on the inner sides of the vertical supports on the two sides through a buckle, the front transverse struts and the rear transverse struts are connected through a plurality of transverse connecting rods, the second platform is welded on the inner sides of the two lower transverse struts, and each vertical strut is connected with the two upper transverse struts and the lower transverse struts through the buckle.
Preferably, each vertical strut group comprises two vertical struts, and a plurality of vertical struts are respectively arranged on the front side and the rear side of the top transverse support at intervals. In the use process of the weather-proof device, the height of the vertical support column can be flexibly adjusted according to the diameter of the cylinder, so that the bottom end of the vertical support column is effectively contacted with the surface of the cylinder in the welding operation process, and the stability of the device is ensured.
Preferably, the width of the side face of each vertical support is not less than 1000mm, the width of the front face of each vertical support is not less than 1200mm, the distance between two adjacent layers of first platforms is not more than 1000mm, and the distance between two adjacent vertical strut groups is not less than 800mm.
Preferably, the weather-proof tarpaulin covers each surface of the top transverse support except the bottom surface and covers each surface of the two vertical supports except the inner side surface.
The installation method of the weather-proof device for the outdoor welding operation of the cylinder adopts the installation method from bottom to top and from outside to inside.
Preferably, the method for installing the weather-proof device for the outdoor welding operation of the cylinder specifically comprises the following steps:
1) Determining the size of the weather-proof device according to the diameter of the cylinder to be protected, and respectively determining the length, the number and the number of buckles of steel pipes required by each component of the device;
2) Firstly, installing vertical supports, first platforms and ladders on two sides from the bottom, installing universal wheels on the bottom of the vertical supports when the two layers of first platforms are installed, and locking the universal wheels after the universal wheels are installed until the installation of the vertical supports on the two sides is completed;
3) When the heights of the vertical supports at the two sides reach the level that the top transverse support can be installed, the top transverse support, the second platform and a plurality of groups of vertical support groups are started to be installed until the door-shaped support is built;
4) And installing the weather-proof tarpaulin, and fixing the weather-proof tarpaulin with the door-type bracket in a binding mode.
Compared with the prior art, the invention has the following advantages:
1. the invention relates to a movable weather-proof device for butt joint girth outdoor welding operation of cylindrical equipment, wherein a door-shaped bracket of the weather-proof device is formed by constructing a steel pipe and a buckle, and the main materials of the weather-proof device are the steel pipe, the buckle and weather-proof tarpaulin, so that the weather-proof device is low in price, easy to purchase, simple in structure, easy to manufacture, convenient to install and detach, low in manufacturing cost, safe and reliable, and can adjust the whole specification of the device according to actual needs and repeatedly use all materials;
2. the weather-proof device has the dual functions of preventing wind and rain and providing an operation platform for operators, the bottom surface of the top transverse support of the weather-proof device and the inner side surfaces of the two vertical supports enclose an operation space for welding operation on the butt joint circular seam of the transversely placed cylinder, and in the welding operation process, the bottom ends of the vertical supports of the plurality of groups of vertical support groups are tightly contacted with the surface of the cylinder, so that the stability of the device can be improved, and the quality of outdoor welding operation is ensured. The weather-proof device has good universality, and in actual use, the height of the vertical support column can be flexibly adjusted according to the diameter of the cylinder, so that the bottom end of the vertical support column is ensured to be effectively contacted with the surface of the cylinder in the welding operation process, and the outdoor welding operation requirement of cylinders with different diameters is met.
Drawings
FIG. 1 is an isometric view of a weatherproofing device for use in outdoor welding of cylinders of example 1;
specific reference numerals in fig. 1 are as follows:
1-top transverse support, 11-second platform, 12-transverse strut, 13-transverse link, 2-vertical support, 21-first platform, 22-cat ladder, 23-upright, 24-cross posts, 25-fences, 3-working space, 4-universal wheels, 5-vertical post groups, 51-vertical posts, 6-weather proof tarpaulin and 7-buckles.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Example 1: a weather proof device for outdoor welding operation of drum, as shown in fig. 1, include the door type support that forms by steel pipe and buckle building, the outside of door type support is sheltered from by weather proof tarpaulin 6, weather proof tarpaulin 6 is fixed in the door type support through the ligature mode, the door type support includes top transverse support 1 and the vertical support 2 of symmetry setting in top transverse support 1 both sides, the space that the bottom surface of top transverse support 1 and the medial surface of two vertical supports 2 enclose is the operation space 3 that carries out welding operation to the butt joint girth of horizontal drum (not shown in the figure), universal wheel 4 is installed to the bottom of every vertical support 2, the interval is equipped with multilayer first platform 21 about every vertical support 2, be equipped with cat ladder 22 between the upper and lower adjacent two-layer first platform 21, be equipped with second platform 11 in the top transverse support 1, second platform 11 runs through the length direction setting of top transverse support 1, the length direction interval along top transverse support 1 is equipped with multiunit vertical pillar group 5, every group 5 is including the vertical pillar 51 of a plurality of vertical pillar group that sets up, in the vertical pillar group 5 in the vertical welding operation process with the vertical pillar group's of multiunit surface is inseparable contact with drum 51.
In embodiment 1, each vertical support 2 is a square frame structure formed by four stand columns 23 arranged at intervals, four transverse columns 24 are arranged on the periphery of each layer of first platform 21, two ends of each transverse column 24 are respectively connected with two adjacent stand columns 23 through buckles 7, the four transverse columns 24 encircle to form a square frame, a layer of first platform 21 is welded on the inner side of each square frame, and a ladder stand 22 in each vertical support 2 is positioned on one side of the vertical support 2 far away from an operation space 3 to form a Z-shaped ladder stand structure; the upside of every layer of first platform 21 is equipped with highly be 500 mm's rail 25, and rail 25 passes through buckle 7 to be connected with stand 23, and every vertical support 2 all is equipped with rail 25 except all three on the other three sides of medial surface. The weather awning cloth 6 covers the respective surfaces of the top transverse support 1 except the bottom surface and the respective surfaces of the two vertical supports 2 except the inner side surface, only the weather awning cloth 6 on the top of the door-type support being shown in fig. 1.
In embodiment 1, the top transverse bracket 1 is a square frame structure formed by four transverse struts 12 arranged at intervals, each transverse strut 12 is connected with the upright 23 on the inner side of the vertical bracket 2 on two sides through a buckle 7, two transverse struts 12 opposite to each other in front and back are connected through a plurality of transverse connecting rods 13, a second platform 11 is welded on the inner sides of two lower transverse struts 12, and each vertical strut 51 is connected with two upper and lower adjacent transverse struts 12 through a buckle 7; each vertical strut group 5 comprises two vertical struts 51, and a plurality of vertical struts 51 are respectively arranged on the front side and the rear side of the top transverse support 1 at intervals on the transverse struts 12.
In embodiment 1, each vertical support 2 has a lateral width of 1000mm, a frontal width of 1200mm, a spacing between two adjacent first platforms 21 of 1000mm, and a spacing between two adjacent vertical strut groups 5 of 800mm.
In embodiment 1, the first platform 21 is used for welding operation by an operator, and may also be used for storing tools; the second platform 11 is used for the operator to walk and weld.
Example 2: the method for installing the weather-proof device for the outdoor welding operation of the cylinder in the embodiment 1 adopts a method for installing the weather-proof device from bottom to top and from outside to inside, and specifically comprises the following steps:
1) Determining the size of the weather-proof device according to the diameter of the cylinder to be protected, and respectively determining the length, the number and the number of buckles of steel pipes required by each component of the device;
2) Firstly, installing four upright posts 23 of the vertical supports 2 on two sides from the bottom, installing a transverse post 24, a first platform 21, a ladder stand 22 and a fence 25 through a buckle 7, installing universal wheels 4 on the bottom of the vertical supports 2 when the two layers of first platforms 21 are installed, and locking the universal wheels 4 until the installation of the vertical supports 2 on two sides is completed after the universal wheels 4 are installed;
3) When the heights of the vertical supports 2 on the two sides reach the level at which the top transverse support 1 can be installed, the top transverse support 1, the second platform 11 and the plurality of groups of vertical support groups 5 are started to be installed, namely: firstly, connecting each transverse strut with the upright posts 23 on the inner sides of the vertical supports 2 on the two sides through the buckles 7, then connecting the transverse struts with the plurality of transverse connecting rods 13 through the buckles 7, welding a second platform 11 on the inner sides of the two lower transverse struts, and then connecting each vertical strut 51 with the two upper and lower adjacent transverse struts through the buckles 7 until the construction of the door-shaped support is completed;
4) The weather proof tarpaulin 6 is installed, and the weather proof tarpaulin 6 is fixed with the door type bracket by binding.
After the installation of the weather-proof device is completed, when the weather-proof device is used for outdoor welding operation of butt joint circular seams of cylindrical equipment, a cylinder to be subjected to welding operation is transversely placed at an outdoor operation position, the buckles 7 on the vertical support posts 51 are loosened, the buckles 7 are fastened after the vertical support posts 51 are lifted to a certain height, the universal wheels 4 are loosened again, the weather-proof device is integrally moved to the outer side of the butt joint circular seams at the first position, the universal wheels 4 are locked, the buckles 7 on the vertical support posts 51 are loosened again, after the bottom end of each vertical support post 51 is in tight contact with the surface of the cylinder, the buckles 7 on the vertical support posts 51 are locked again, and at the moment, the welding operation of the butt joint circular seams at the first position can be performed. After the welding operation of the first butt joint girth is completed, the buckle 7 on the vertical support column 51 is loosened, the buckle 7 is fastened after the vertical support column 51 is lifted to a certain height, the universal wheel 4 is loosened again, the weather-proof device is integrally moved to the next operation point for operation, and the operation is repeated until the welding operation of all the butt joint girth on the cylindrical equipment is completed.
Claims (10)
1. A weather proofing device for outdoor welding operation of drum, its characterized in that includes the door type support that forms by steel pipe and buckle is built, the outside of door type support shelter from by weather proof tarpaulin, weather proof tarpaulin be fixed in through the ligature mode door type support, the door type support include the vertical support of top horizontal support and symmetry setting in top horizontal support both sides, the bottom surface of top horizontal support and two the medial surface of vertical support enclose the space that becomes and be the operation space that carries out welding operation to the butt joint girth of the drum of putting transversely, every the bottom of vertical support install the universal wheel, every vertical support in the interval about be equipped with multilayer first platform, be equipped with the cat ladder between the upper and lower adjacent two-layer first platform, the top horizontal support in be equipped with the second platform, the second platform run through the length direction setting of top horizontal support, follow the length direction interval of top horizontal support be equipped with multiunit vertical pillar group, every group vertical pillar group including vertical pillar group vertical pillar in vertical contact with the vertical pillar of a plurality of groups in the vertical welding process of drum surface.
2. The weather-proof device for outdoor cylinder welding operation according to claim 1, wherein each vertical support is a square frame structure formed by four upright posts arranged at intervals, four transverse posts are arranged on the periphery of each first platform, two ends of each transverse post are respectively connected with two adjacent upright posts through buckles, the four transverse posts form a square frame in a surrounding mode, one layer of first platform is welded on the inner side of each square frame, and a ladder stand in each vertical support is located on one side, away from the operation space, of each vertical support.
3. The weather proofing device for outdoor welding operation of cylinder according to claim 2, wherein the upper side of each layer of the first platform is provided with a fence, the fence is connected with the upright post through a buckle, and three sides of each vertical support except the inner side face are provided with fences.
4. A weather guard for outdoor welding of cylinders according to claim 3, wherein the distance between the rail on the upper side of the first platform and the first platform is 500mm.
5. The weather-proof device for outdoor welding operation of cylinder according to claim 2, 3 or 4, wherein the top transverse support is a square frame structure formed by four transverse struts arranged at intervals, each transverse strut is connected with the upright posts on the inner sides of the vertical supports on two sides through a buckle, the two transverse struts opposite to each other in front and back are connected through a plurality of transverse connecting rods, the second platform is welded on the inner sides of the two lower transverse struts, and each vertical strut is connected with the two upper and lower adjacent transverse struts through a buckle.
6. The weather proofing device for outdoor welding operation of cylinder according to claim 5, wherein each of said vertical strut groups comprises two vertical struts, a plurality of said vertical struts being disposed on the front and rear side of said top transverse strut at intervals respectively.
7. A weather guard for outdoor welding of cylindrical bodies according to claim 1, wherein each of said vertical supports has a lateral width of not less than 1000mm, a frontal width of not less than 1200mm, a spacing between adjacent first platforms of not more than 1000mm, and a spacing between adjacent sets of said vertical supports of not less than 800mm.
8. A weather proofing device for outdoor welding operation of cylinder according to claim 1, wherein said weather proofing tarpaulin is covered on each surface of the top transverse frame except the bottom surface and on each surface of the two vertical frames except the inner side surface.
9. A method of installing a weather guard for use in outdoor welding operations on a cylinder as claimed in any one of claims 1 to 8, wherein a bottom-up, outside-in installation method is employed.
10. The method of installing a weatherproofing device for outdoor welding operations of cylinders according to claim 9, comprising the specific steps of:
1) Determining the size of the weather-proof device according to the diameter of the cylinder to be protected, and respectively determining the length, the number and the number of buckles of steel pipes required by each component of the device;
2) Firstly, installing vertical supports, first platforms and ladders on two sides from the bottom, installing universal wheels on the bottom of the vertical supports when the two layers of first platforms are installed, and locking the universal wheels after the universal wheels are installed until the installation of the vertical supports on the two sides is completed;
3) When the heights of the vertical supports at the two sides reach the level that the top transverse support can be installed, the top transverse support, the second platform and a plurality of groups of vertical support groups are started to be installed until the door-shaped support is built;
4) And installing the weather-proof tarpaulin, and fixing the weather-proof tarpaulin with the door-type bracket in a binding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310652203.8A CN116752747A (en) | 2023-06-02 | 2023-06-02 | A weatherproof device for cylinder outdoor welding operations and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310652203.8A CN116752747A (en) | 2023-06-02 | 2023-06-02 | A weatherproof device for cylinder outdoor welding operations and its installation method |
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| Publication Number | Publication Date |
|---|---|
| CN116752747A true CN116752747A (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310652203.8A Pending CN116752747A (en) | 2023-06-02 | 2023-06-02 | A weatherproof device for cylinder outdoor welding operations and its installation method |
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| CN (1) | CN116752747A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4750662A (en) * | 1987-02-10 | 1988-06-14 | Larry And Associates | Pipe welding alignment tool |
| CN203426644U (en) * | 2013-08-28 | 2014-02-12 | 南京南化建设有限公司 | Special device for assembling pipelines |
| CN203531421U (en) * | 2013-09-03 | 2014-04-09 | 中国建筑第二工程局有限公司 | Movable tower type ladder stand |
| CN209736935U (en) * | 2019-02-21 | 2019-12-06 | 山东尚核电力科技有限公司 | integrated equipment for welding metal pipeline |
| CN111299952A (en) * | 2020-03-10 | 2020-06-19 | 沧州渤海石化工程有限公司 | Petroleum pipeline group is to welding set |
| CN113927197A (en) * | 2021-11-26 | 2022-01-14 | 中国水电四局(阳江)海工装备有限公司 | Outdoor welding operation platform for offshore wind power steel pipe pile |
| CN216109941U (en) * | 2021-08-25 | 2022-03-22 | 中国一冶集团有限公司 | Movable weather shed with lifting welding operation platform |
| CN219010954U (en) * | 2022-04-09 | 2023-05-12 | 广东腾盛模架科技有限公司 | Novel flexible folding hanging flower basket |
-
2023
- 2023-06-02 CN CN202310652203.8A patent/CN116752747A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4750662A (en) * | 1987-02-10 | 1988-06-14 | Larry And Associates | Pipe welding alignment tool |
| CN203426644U (en) * | 2013-08-28 | 2014-02-12 | 南京南化建设有限公司 | Special device for assembling pipelines |
| CN203531421U (en) * | 2013-09-03 | 2014-04-09 | 中国建筑第二工程局有限公司 | Movable tower type ladder stand |
| CN209736935U (en) * | 2019-02-21 | 2019-12-06 | 山东尚核电力科技有限公司 | integrated equipment for welding metal pipeline |
| CN111299952A (en) * | 2020-03-10 | 2020-06-19 | 沧州渤海石化工程有限公司 | Petroleum pipeline group is to welding set |
| CN216109941U (en) * | 2021-08-25 | 2022-03-22 | 中国一冶集团有限公司 | Movable weather shed with lifting welding operation platform |
| CN113927197A (en) * | 2021-11-26 | 2022-01-14 | 中国水电四局(阳江)海工装备有限公司 | Outdoor welding operation platform for offshore wind power steel pipe pile |
| CN219010954U (en) * | 2022-04-09 | 2023-05-12 | 广东腾盛模架科技有限公司 | Novel flexible folding hanging flower basket |
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