CN110722302A - Semi-automatic mouth repairing device for large-diameter steel pipe in ocean engineering - Google Patents
Semi-automatic mouth repairing device for large-diameter steel pipe in ocean engineering Download PDFInfo
- Publication number
- CN110722302A CN110722302A CN201910828679.6A CN201910828679A CN110722302A CN 110722302 A CN110722302 A CN 110722302A CN 201910828679 A CN201910828679 A CN 201910828679A CN 110722302 A CN110722302 A CN 110722302A
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- China
- Prior art keywords
- steel pipe
- roller set
- height adjusting
- plate portion
- semi
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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 to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
Abstract
The invention discloses a semi-automatic mouth repairing device for a large-diameter steel pipe in ocean engineering, which is arranged on a steel pipe arranged along the vertical direction and comprises a rail bracket, at least one upper roller set, an outer roller set, at least one inner roller set, a height adjusting bracket and a cutting mechanism, wherein the rail bracket is rotationally connected with each upper roller set, the outer roller set and each inner roller set, each upper roller set is attached to the upper annular end surface of the steel pipe and can roll along the circumferential direction of the upper end surface of the steel pipe, each inner roller set is attached to the inner wall of the steel pipe and can roll along the inner wall of the steel pipe, the outer roller set is attached to the outer wall of the steel pipe and can roll along the outer wall of the steel pipe, the rail bracket is connected with the height adjusting bracket, and the height adjusting bracket is connected with the cutting mechanism for cutting the steel pipe, the problem of path skew or spiral decline etc. instability is solved, the cutting height and the groove precision of assurance steel pipe.
Description
Technical Field
The invention relates to the technical field of steel pipe repair, in particular to a semi-automatic opening repairing device for a large-diameter steel pipe in ocean engineering.
Background
At present, in the process of building and final assembly of ocean platform blocks and jackets, the height of a steel pipe is frequently required to be adjusted to cut the steel pipe. When the steel pipe is cut, the cutting machine is horizontally arranged, the cutting gun is vertically arranged, and the magnetic cutting trolley moves around the circumference of the pipe to realize cutting. And some steel pipes to be cut are in the vertical direction, such as offshore jacket steel piles, water-proof sleeves and the like, and steel pipe cutting equipment is required to be attached to the outer wall of the vertical steel pipe to perform horizontal circumferential operation due to the fact that horizontal cutting is required in the height direction of the steel pipes, and a cutting gun is horizontally placed to perform cutting operation. The difficulty lies in that: under the action of gravity, the cutting machine walking around the outer wall of the steel pipe can deviate in the gravity direction, the cutting precision can not be guaranteed by the magnetic cutting trolley and the chain type cutting machine, and even the spiral descending condition occurs, so that the cutting precision requirement can not be met.
Disclosure of Invention
The present invention is intended to solve the above technical problems to some extent.
In view of the above, the invention provides a semi-automatic mouth trimming device for a large-diameter steel pipe in ocean engineering, which improves the accuracy of cutting the steel pipe.
In order to solve the technical problem, the invention provides a semi-automatic opening trimming device for a large-diameter steel pipe in ocean engineering, which is arranged on the steel pipe arranged along the vertical direction and comprises a track bracket, at least one upper roller set, an outer roller set, at least one inner roller set, a height adjusting bracket and a cutting mechanism, the track support is rotationally connected with each upper roller set, the outer roller set and each inner roller set, each upper roller set is attached to the upper annular end face of the steel pipe and can roll along the circumferential direction of the upper end face of the steel pipe, each inner roller set is attached to the inner wall of the steel pipe, and can roll along the inner wall of the steel pipe, the external roller set is attached to the outer wall of the steel pipe and can roll along the outer wall of the steel pipe, the track support is connected with the height adjusting support, and the height adjusting support is connected with the cutting mechanism for cutting the steel pipe.
Further, the track support is including rotating the connection the fixed roof board of upper portion roller set, rotate and connect the outer fixed board of outside roller set, rotate and connect the internal fixation board of inside roller set, fixed roof board sets up the top of steel pipe upper portion ring-shaped end face, outer fixed board with the internal fixation board sets up respectively the outside and the inner chamber of steel pipe, fixed roof board connects outer fixed board with the internal fixation board.
Further, there are two upper roller sets and two inner roller sets.
Furthermore, the height adjusting support comprises at least one height adjusting rod and a plurality of positioning nuts, through holes allowing each height adjusting rod to penetrate through are formed in the fixed top plate, threads are arranged on the upper portion of each height adjusting rod, the positioning nuts screwed into the height adjusting rods are arranged on the upper portion and the lower portion of the fixed top plate, and the bottom of each height adjusting rod is fixedly connected with the cutting mechanism.
Furthermore, the height adjusting device further comprises a fixed support, the fixed support comprises a plurality of positioning sleeves and a plurality of reinforcing rods, the height adjusting rods are arranged in a one-to-one correspondence mode with the positioning sleeves, the positioning sleeves are sleeved outside the corresponding height adjusting rods and are adjacent to the positioning sleeves, and the reinforcing rods are connected with the positioning sleeves.
Furthermore, the height adjusting rods are two and are arranged in parallel along the vertical direction.
Further, the cutting mechanism is a magnetic cutting machine, and a cutting gun jet port of the magnetic cutting machine is arranged right opposite to the outer wall of the steel pipe.
The invention has the technical effects that: the cutting device solves the problem of cutting of the vertical steel pipe in the large-scale block land or offshore construction environment, overcomes the gravity of the magnetic cutting trolley, enables the cutting trolley to keep moving around the positive circumference of the steel pipe, solves the problems of instability such as the deviation of a cutting gun jet path or spiral descending and the like, ensures that the cutting lines are at the same height and groove precision, and is convenient to carry, install and disassemble.
Drawings
FIG. 1 is a front view of a semi-automatic opening trimming device for a large-diameter steel pipe in ocean engineering according to the invention;
fig. 2 is a top view of a semi-automatic opening trimming device for a large-diameter steel pipe in ocean engineering according to the invention.
1-a rail bracket; 2-height adjusting bracket; 3-fixing the bracket; 4-a cutting mechanism; 5-a steel pipe; 6-upper roller set; 7-inner roller set; 8-an outer roller set; 11-a fixed top plate; 12-an outer fixing plate portion; 13-an inner fixing plate portion; 21-height adjusting rod; 31-positioning the sleeve; 32-a stiffener; 41-a cutting gun; 42-auxiliary roller.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 and 2, a semi-automatic mouth repairing device for a large-diameter steel pipe in ocean engineering is installed on a steel pipe 5 arranged along a vertical direction, and comprises a rail support 1, at least one upper roller set 6, an outer roller set 8, an inner roller set 7, a height adjusting support 2 and a cutting mechanism 4, wherein the rail support 1 is connected with each upper roller set 6 in a rotating manner, each outer roller set 8 and the inner roller set 7 are connected with each other, each upper roller set 6 is attached to the upper annular end face of the steel pipe and can roll along the circumferential direction of the upper end face of the steel pipe, each inner roller set 7 is attached to the inner wall of the steel pipe and can roll along the inner wall of the steel pipe, each outer roller set 8 is attached to the outer wall of the steel pipe and can roll along the outer wall of the steel pipe, the rail support 1 is connected with the height.
According to the specific embodiment of the invention, the track support 1 is connected with the cutting mechanism 4 through the height adjusting support 2, the track support 1 is pushed, under the action of the outer roller set 8 and the inner roller set 7, the track support 1 moves along the circumference of the upper end face of the steel pipe, the cutting mechanism 4 is further driven to move circumferentially along the outer surface of the steel pipe, and the steel pipe is cut by the cutting mechanism 4.
As shown in fig. 2, the track support 1 includes a fixed top plate 11 rotatably connected to the upper roller set 6, an outer fixed plate 12 rotatably connected to the outer roller set 8, and an inner fixed plate 13 rotatably connected to the inner roller set 7, the fixed top plate 11 is disposed above the annular end surface of the upper portion of the steel pipe, the outer fixed plate 12 and the inner fixed plate 13 are disposed outside and inside the steel pipe, and the fixed top plate 11 is connected to the outer fixed plate 12 and the inner fixed plate 13.
According to the embodiment of the present invention, the upper roller set 6 is rotatably connected to the fixed top plate 11 through a supporting rotation mechanism, the supporting rotation mechanism includes a supporting transmission arm, a transmission rotation shaft and two first locking nuts, the top of the supporting transmission arm is connected to the fixed top plate 11, the bottom of the supporting transmission arm is provided with a pivot hole allowing the transmission rotation shaft to pass through, the transmission rotation shaft passes through the pivot hole and the through hole of the upper roller set 6, and the two ends of the transmission rotation shaft are screwed with the first locking nuts.
Specifically, the bottom of the supporting transmission arm is U-shaped, the upper roller set 6 is arranged in an opening of the U-shaped supporting transmission arm, and pivot holes are formed in two ends of the U-shaped supporting transmission arm.
According to the specific embodiment of the invention, the external roller set 8 is rotatably connected with the external fixing plate part 12 through an external rotating mechanism, the internal roller set 7 is rotatably connected with the internal fixing plate part 13 through an internal rotating transmission rotating shaft mechanism, the external transmission mechanism and the internal transmission mechanism are symmetrically arranged along the side wall of the steel pipe 5, the external transmission mechanism comprises a positioning transmission arm, a positioning rotating shaft and a second locking nut, the positioning transmission arm is arranged along the horizontal direction, one end of the positioning transmission arm is fixedly connected with the external fixing plate, the other end of the positioning transmission arm is provided with a rotating hole allowing the positioning rotating shaft to pass through, the positioning rotating shaft passes through the rotating hole and a central hole of the external roller set 8, and the second locking nut is screwed at two ends.
Specifically, the one end of location driving arm is for the U-shaped, and outside roller set 8 sets up in the opening of U-shaped location driving arm, and the rotation hole is all seted up at the both ends of U-shaped location driving arm.
Specifically, the outer transmission mechanism is identical in structure to the inner transmission mechanism, and therefore, only the outer transmission mechanism will be described.
As shown in FIG. 2, the number of the outer roller sets 8 is two, the number of the upper roller sets 6 is two, the number of the inner roller sets 7 is two, and stability is high.
As shown in fig. 1 and 2, the height adjusting bracket 2 includes at least one height adjusting rod 21 and a plurality of positioning nuts, the fixed top plate 11 is provided with a through hole allowing each height adjusting rod 21 to pass through, the upper portion of each height adjusting rod 21 is provided with a thread, the upper and lower portions of the fixed top plate 11 are provided with positioning nuts screwed into each height adjusting rod 21, after the height adjusting rods 21 are adjusted to a required height, the positioning nuts are screwed to lock the height adjusting rods 21, and the bottom of each height adjusting rod 21 is fixedly connected with the cutting mechanism 4.
According to the specific embodiment of the invention, the device further comprises a fixed support 3, the fixed support 3 comprises a plurality of positioning sleeves 31 and a plurality of reinforcing rods 32, the height adjusting rods 21 and the positioning sleeves 31 are arranged in a one-to-one correspondence manner, the positioning sleeves 31 are sleeved outside the corresponding height adjusting rods 21, and the adjacent positioning sleeves 31 are connected through the reinforcing rods 32, so that the stability is high.
According to the embodiment of the present invention, there are two height adjusting rods 21, and the two height adjusting rods 21 are arranged in parallel in the vertical direction.
As shown in fig. 2, the cutting mechanism 4 is a magnetic cutter, and a cutting torch 41 of the magnetic cutter has an outlet port facing the outer wall of the steel pipe 5.
As shown in fig. 2, the magnetic cutting machine has an auxiliary roller rotating to be attached to the outer wall of the steel pipe 5.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (7)
1. A semi-automatic mouth repairing device for a large-diameter steel pipe in ocean engineering is arranged on a steel pipe arranged along the vertical direction, it is characterized by comprising a track bracket, at least one upper roller set, an outer roller set, at least one inner roller set, a height adjusting bracket and a cutting mechanism, the track support is rotationally connected with each upper roller set, the outer roller set and each inner roller set, each upper roller set is attached to the upper annular end face of the steel pipe and can roll along the circumferential direction of the upper end face of the steel pipe, each inner roller set is attached to the inner wall of the steel pipe and can roll along the inner wall of the steel pipe, the outer roller set is attached to the outer wall of the steel pipe and can roll along the outer wall of the steel pipe, the track support is connected with the height adjusting support, and the height adjusting support is connected with the cutting mechanism used for cutting the steel pipe.
2. The semi-automatic opening repairing device for the large-diameter steel pipe in the ocean engineering according to claim 1, wherein the rail bracket comprises a fixed top plate portion, an outer fixed plate portion and an inner fixed plate portion, the fixed top plate portion is rotatably connected with the upper roller set, the outer fixed plate portion is rotatably connected with the outer roller set, the inner fixed plate portion is rotatably connected with the inner roller set, the fixed top plate portion is arranged above the annular end face of the upper portion of the steel pipe, the outer fixed plate portion and the inner fixed plate portion are respectively arranged outside and in an inner cavity of the steel pipe, and the fixed top plate portion is connected with the outer fixed plate portion and the inner fixed plate portion.
3. The semi-automatic opening trimming device for the large-diameter steel pipes in the ocean engineering according to claim 1, wherein there are two upper roller sets and two inner roller sets.
4. The semi-automatic mouth repairing device for the large-diameter steel pipes in the ocean engineering according to claim 2, wherein the height adjusting bracket comprises at least one height adjusting rod and a plurality of positioning nuts, a through hole allowing each height adjusting rod to pass through is formed in the fixed top plate, threads are formed in the upper portion of each height adjusting rod, the positioning nuts screwed into each height adjusting rod are arranged on the upper portion and the lower portion of the fixed top plate, and the bottom of each height adjusting rod is fixedly connected with the cutting mechanism.
5. The semi-automatic mouth repairing device for the large-diameter steel pipe in the ocean engineering according to claim 4, further comprising a fixing support, wherein the fixing support comprises a plurality of positioning sleeves and a plurality of reinforcing rods, the height adjusting rods are arranged in one-to-one correspondence with the positioning sleeves, the positioning sleeves are sleeved outside the corresponding height adjusting rods, and the adjacent positioning sleeves are connected through the reinforcing rods.
6. The semi-automatic mouth repairing device for the large-diameter steel pipes in the ocean engineering according to claim 4, wherein the number of the height adjusting rods is two, and the two height adjusting rods are arranged in parallel along a vertical direction.
7. The semi-automatic mouth repairing device for the large-diameter steel pipe in the ocean engineering according to claim 1, wherein the cutting mechanism is a magnetic force cutting machine, and a cutting gun ejection port of the magnetic force cutting machine is arranged opposite to the outer wall of the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828679.6A CN110722302B (en) | 2019-09-03 | 2019-09-03 | Semi-automatic mouth repairing device for large-diameter steel pipe in ocean engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828679.6A CN110722302B (en) | 2019-09-03 | 2019-09-03 | Semi-automatic mouth repairing device for large-diameter steel pipe in ocean engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110722302A true CN110722302A (en) | 2020-01-24 |
| CN110722302B CN110722302B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910828679.6A Active CN110722302B (en) | 2019-09-03 | 2019-09-03 | Semi-automatic mouth repairing device for large-diameter steel pipe in ocean engineering |
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| Country | Link |
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| CN (1) | CN110722302B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458555A (en) * | 2021-07-07 | 2021-10-01 | 安徽科技学院 | Intelligent welding device for submerged-arc welding of pile pipe |
| CN113843475A (en) * | 2021-10-11 | 2021-12-28 | 中石化宁波工程有限公司 | Semi-automatic hole forming device and hole forming process for prefabricated wall plate of storage tank |
Citations (6)
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| CN2218621Y (en) * | 1993-10-20 | 1996-01-31 | 中国水利水电长江葛洲坝工程局给排水工程公司 | Large diameter bend pipe parts lofting cutter |
| CN2465853Y (en) * | 2001-02-26 | 2001-12-19 | 王及元 | Location prewelding |
| JP3466268B2 (en) * | 1994-03-31 | 2003-11-10 | 日新製鋼株式会社 | Welded pipe manufacturing equipment |
| CN2585729Y (en) * | 2002-12-13 | 2003-11-12 | 王恩华 | Semi-automatic steel pipe cutting machine |
| CN205057264U (en) * | 2015-10-30 | 2016-03-02 | 中国水电四局(酒泉)新能源装备有限公司 | Wind power generation pylon is half automatic cutting device of steel sheet for straight tube |
| CN107486605A (en) * | 2016-06-12 | 2017-12-19 | 五冶集团上海有限公司 | A kind of semi-automatic cutting method of stainless steel pipes |
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2019
- 2019-09-03 CN CN201910828679.6A patent/CN110722302B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218621Y (en) * | 1993-10-20 | 1996-01-31 | 中国水利水电长江葛洲坝工程局给排水工程公司 | Large diameter bend pipe parts lofting cutter |
| JP3466268B2 (en) * | 1994-03-31 | 2003-11-10 | 日新製鋼株式会社 | Welded pipe manufacturing equipment |
| CN2465853Y (en) * | 2001-02-26 | 2001-12-19 | 王及元 | Location prewelding |
| CN2585729Y (en) * | 2002-12-13 | 2003-11-12 | 王恩华 | Semi-automatic steel pipe cutting machine |
| CN205057264U (en) * | 2015-10-30 | 2016-03-02 | 中国水电四局(酒泉)新能源装备有限公司 | Wind power generation pylon is half automatic cutting device of steel sheet for straight tube |
| CN107486605A (en) * | 2016-06-12 | 2017-12-19 | 五冶集团上海有限公司 | A kind of semi-automatic cutting method of stainless steel pipes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458555A (en) * | 2021-07-07 | 2021-10-01 | 安徽科技学院 | Intelligent welding device for submerged-arc welding of pile pipe |
| CN113843475A (en) * | 2021-10-11 | 2021-12-28 | 中石化宁波工程有限公司 | Semi-automatic hole forming device and hole forming process for prefabricated wall plate of storage tank |
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| Publication number | Publication date |
|---|---|
| CN110722302B (en) | 2021-06-25 |
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