CN112108832B - Safe expanded expansion sleeve auxiliary mechanism - Google Patents
Safe expanded expansion sleeve auxiliary mechanism Download PDFInfo
- Publication number
- CN112108832B CN112108832B CN201911298878.7A CN201911298878A CN112108832B CN 112108832 B CN112108832 B CN 112108832B CN 201911298878 A CN201911298878 A CN 201911298878A CN 112108832 B CN112108832 B CN 112108832B
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- Prior art keywords
- semi
- fixedly connected
- guide rail
- side wall
- annular
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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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a safe expanded expansion sleeve auxiliary mechanism which comprises two placing guide rails, wherein the bottoms of the placing guide rails are fixedly connected with a plurality of supporting columns for supporting, a propelling device for propelling is installed on the placing guide rails, and a plurality of correcting devices for resetting a pipeline are installed on the placing guide rails. According to the invention, firstly, a steel pipe to be treated is placed on the placing guide rail, the steel pipe is preliminarily corrected by the correcting mechanism, the two semicircular mounting plates are butted by the third electric push rod, the correcting device is matched with the semicircular arms by the advancing mechanism, the pipe orifice side wall between the correcting block and the semicircular arms is arranged in an arc shape, the correcting block can rotate slightly by the angle adjusting device, and the pipe orifice side wall between the correcting block and the semicircular arms is transferred, so that the arc treatment is carried out on the whole pipe orifice side wall, the pipe orifice arc after the adjustment of the device is accurate, and the welding after the accurate butt joint between two pipe fittings is facilitated.
Description
Technical Field
The invention relates to the technical field of expansion sleeve processing, in particular to an expansion sleeve auxiliary mechanism capable of safely expanding.
Background
The expansion casing technology can well solve the drilling problem of complex intervals, such as packing diameter reduction, collapse, well leakage or high-pressure layers and the like, the expansion casing is put into the complex intervals to serve as an emergency casing, the complex intervals are subjected to plugging or packing operation, potential risks possibly existing in the continuous drilling process can be effectively reduced, and the drilling purpose is achieved, wherein the expansion casing is composed of pipe bodies such as steel pipes or polyethylene pipes, but the expansion casing has great trouble at the beginning of casing at present, large size deviation exists when the two expansion casings are in butt joint, the main reason is that the welding position of the expansion casing has an uneven phenomenon, no mechanized auxiliary mechanism for performing circular corresponding on the expansion casing at present exists, and large errors exist at any time through artificial adjustment.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an expansion casing auxiliary mechanism capable of safely expanding.
In order to achieve the purpose, the invention adopts the following technical scheme:
an expansion sleeve auxiliary mechanism for safe expansion comprises two placing guide rails, wherein the bottoms of the placing guide rails are fixedly connected with a plurality of supporting columns for supporting, the placing guide rails are provided with propelling devices for propelling, the placing guide rails are provided with a plurality of correcting devices for resetting the pipeline, a semi-annular mounting plate is arranged between the two placing guide rails and is connected with a semi-annular connecting plate through an angle adjusting device, both ends of one of the semi-annular connecting plates are fixedly connected with limiting blocks for limiting, both ends of the other semi-annular connecting plate are provided with limiting grooves for limiting the limiting blocks, the equal fixedly connected with semiannular fixed plate in both sides of semiannular connecting plate, the semiannular fixed plate is connected with through advancing device and mends the device, the bottom of semiannular mounting panel is provided with and is used for the gliding end rail of semiannular mounting panel.
Preferably, advancing device includes that fixed connection is at the first rotation motor of placing on the guide rail lateral wall, the output of first rotation motor is connected with the gear, it is provided with in the guide rail and is used for propulsive propulsion board to place, and the both sides of propulsion board are provided with and are used for gliding draw runner, the inside wall of placing the guide rail is offered and is used for the gliding spout of draw runner, the interior bottom of placing the guide rail is provided with and is used for the gliding slide of propulsion board, the inside wall sliding connection of the output of first rotation motor and slide, and the gear is located the slide, the bottom of propulsion board is provided with the straight tooth groove with gear engagement.
Preferably, correcting unit includes that fixed connection rotates the motor at the second of placing on the guide rail lateral wall, the output of second rotation motor is connected and is used double threaded rod, threaded connection has two semicircular arms that the symmetry set up on the double threaded rod, and places the inside wall of guide rail and offer and be used for the gliding track groove of semicircular arm.
Preferably, the angle adjusting device comprises a third rotating motor fixedly connected to the outer side wall of the placing guide rail, an annular groove used for rotating the semi-annular connecting plate is formed in the semi-annular mounting plate, the output end of the third rotating motor penetrates through the side wall of the placing guide rail and is fixedly connected with a bevel gear, and a bevel gear groove meshed with the bevel gear is formed in the side wall of the semi-annular connecting plate.
Preferably, two the support column of placing the relative one side bottom of guide rail rotates and is connected with the bull stick, the bull stick passes through handle bolt and support column fixed connection, be provided with the arm of shifting gears that is used for blockking on the bull stick.
Preferably, the advancing device comprises a first connecting plate fixedly connected to the outer side wall of the semi-annular fixing plate, a first electric push rod is fixedly connected to the first connecting plate, and a second connecting plate is fixedly connected to the output end of the first electric push rod.
Preferably, mend the device and include the second electric putter of fixed connection on the second connecting plate, second electric putter's output runs through second connecting plate and fixedly connected with and mends the piece.
Preferably, the outer side wall of the bottom rail is fixedly connected with a third electric push rod, and the output end of the third electric push rod penetrates through the bottom rail and is fixedly connected with the semi-annular mounting plate.
The invention has the beneficial effects that: this device is at first placed pending steel pipe on placing the guide rail, revise the processing through what revise the mechanism is preliminary to the steel pipe after that, rethread third electric putter makes two semi-ring shaped mounting panels butt joints, thereby make the cooperation of mending device and semi-circular arm through advancing the mechanism, the mouth of pipe lateral wall between realization plus and correct piece and the semi-circular arm is the circular arc setting, make through angle adjusting device to mend the piece and can rotate a little, then mend the mouth of pipe lateral wall between piece and the semi-circular arm and realize shifting, thereby carry out the circular arc to whole mouth of pipe lateral wall and handle, thereby make the mouth of pipe circular arc after this device adjusts accurate, be convenient for weld after accurate butt joint between two pipe fittings.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary mechanism of an expansion casing for safe expansion according to the present invention.
Fig. 2 is a schematic structural diagram of a correction device in an auxiliary mechanism of a safety expansion casing provided by the invention.
Fig. 3 is a schematic structural diagram of a thrust plate in a safety expansion casing auxiliary mechanism provided by the invention.
Fig. 4 is a schematic view of a connection structure of an angle adjusting device and a semi-annular connecting plate in the auxiliary mechanism of the expansion casing for safe expansion provided by the invention.
Fig. 5 is a front view of a semi-annular mounting plate in a safety expansion casing auxiliary mechanism according to the present invention.
In the figure: 1 places guide rail, 2 support columns, 3 semiannular mounting panels, 4 semiannular connecting plates, 5 stopper, 6 semiannular fixed plates, 7 gears, 8 propulsion plates, 9 draw runner, 10 spout, 11 slides, 12 double-threaded rods, 13 semicircle arm, 14 third rotating motor, 15 bevel gear, 16 bottom rails, 17 bull stick, 18 handle bolt, 19 dial the arm, 20 first connecting plates, 21 first electric putter, 22 second connecting plates, 23 second electric putter, 24 revive the piece, 25 third electric putter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an expansion casing auxiliary mechanism for safe expansion comprises two placing guide rails 1, wherein the bottom of the placing guide rails 1 is fixedly connected with a plurality of supporting columns 2 for supporting, and a propelling device for propelling is arranged on the placing guide rails 1;
further, advancing device includes the first rotation motor of fixed connection on placing guide rail 1 lateral wall, wherein first rotation motor is not shown in the figure, the output of first rotation motor is connected with gear 7, it is provided with in the guide rail 1 and is used for propulsive board 8 of propulsive, and the both sides of propulsive board 8 are provided with and are used for gliding draw runner 9, the inside wall of placing guide rail 1 is offered and is used for gliding spout 10 of draw runner 9, the interior bottom of placing guide rail 1 is provided with and is used for the gliding slide 11 of propulsion board 8, the output of first rotation motor and the inside wall sliding connection of slide 11, and gear 7 is located slide 11, the bottom of propulsive board 8 is provided with the straight tooth's socket with gear 7 meshing, then make propulsion board 8 forward motion through the cooperation of gear 7 with straight supporting groove, thereby promote steel pipe or polyethylene pipe forward motion.
Wherein, a plurality of correcting devices for resetting the pipeline are arranged on the placing guide rail 1;
further, correcting unit includes that fixed connection rotates the motor at the second of placing on the 1 lateral wall of guide rail, the output of second rotation motor is connected and is used double threaded rod 12, threaded connection has two semicircular semi-circular arms 13 that the symmetry set up on double threaded rod 12, and place guide rail 1's inside wall and offer and be used for the gliding track groove of semi-circular arm 13, realize realizing preliminary correction to the steel pipe of buckling or polyethylene pipe through setting up of semi-circular arm 13 among the correcting unit, promptly through the circular recess that forms between two semi-circular arms, make the steel pipe of buckling or polyethylene pipe be pressed from both sides the circle a bit.
Still further, two support columns 2 of placing guide rail 1 relative one side bottom rotate and are connected with bull stick 17, and bull stick 17 passes through handle bolt 18 and support column 2 fixed connection, is provided with the arm 19 that keeps off that is used for blockking on the bull stick 17, and after the arm 19 that keeps off upwards rotated and stabilized through handle bolt 18, the thickness that wherein keeps off the arm 19 is 20 centimeters, the welding between two steel pipes or the polyethylene pipe of being convenient for afterwards.
Wherein, a semi-annular mounting plate 3 is arranged between the two placing guide rails 1, and the semi-arc mounting plate 3 is connected with a semi-annular connecting plate 4 through an angle adjusting device;
further, the angle adjusting device comprises a third rotating motor 14 fixedly connected to the outer side wall of the placing guide rail 1, an annular groove for rotating the semi-annular connecting plate 4 is formed in the semi-annular mounting plate 3, the output end of the third rotating motor 14 penetrates through the side wall of the placing guide rail 1 and is fixedly connected with a bevel gear 15, a bevel tooth groove meshed with the bevel gear 15 is formed in the side wall of the semi-annular connecting plate 4, the semi-annular connecting plate 4 can slightly deflect through the arrangement of the angle adjusting device, namely, the bevel gear 15 is meshed with the bevel tooth groove, and the stability of the semi-annular connecting plate 4 is ensured through the meshing of the bevel gear 15 and the bevel tooth groove, wherein the rotating directions of the two third rotating motors 14 are opposite to each other, because the two semi-annular connecting plates 4 need to rotate in the same direction, and the two third rotating motors 14 are positioned at two sides, the semi-annular connecting plates 4 can rotate in the same direction through the reverse direction of the two third rotating motors 14, and the rotating speeds are the same.
Wherein, the equal fixedly connected with in both ends of one of them semicircular connecting plate 4 is used for spacing stopper 5, and the both ends of another semicircular connecting plate 4 are provided with and are used for the spacing groove of stopper 5, set up through the cooperation of stopper 5 and spacing groove for two semicircular connecting plates 4 are connected comparatively stably.
Wherein, both sides of the semi-annular connecting plate 4 are fixedly connected with semi-annular fixing plates 6, and the semi-annular fixing plates 6 are connected with a correction device through an advancing device;
furthermore, the advancing device comprises a first connecting plate 20 fixedly connected to the outer side wall of the semi-annular fixing plate 6, a first electric push rod 21 is fixedly connected to the first connecting plate 20, and a second connecting plate 22 is fixedly connected to the output end of the first electric push rod 21, so that the second connecting plate 22 can move forwards through the advancing device, and a correcting block 24 in the correcting device is conveniently located in a pipe orifice of a steel pipe or a polyethylene pipe;
still further, mend the device and include second electric putter 23 of fixed connection on second connecting plate 22, the output of second electric putter 23 runs through second connecting plate 22 and fixedly connected with revises piece 24, then make to mend and mend piece 24 outside motion under the effect of second electric putter 23 as revise piece 24, thereby make to mend and mend piece 24 and carry out "drawing circle" to the mouth of pipe department of steel pipe or polyethylene pipe and handle, make the mouth of pipe of steel pipe or polyethylene pipe to support from inside to outside through revising piece 24 promptly, the setting of steel pipe or polyethylene pipe mouth that is supported outwards and presses through semi-annular connecting plate 4 makes the slow circle of mouth of pipe of steel pipe or polyethylene pipe.
Wherein, the bottom of the semi-annular mounting plate 3 is provided with a bottom rail 16 for the sliding of the semi-annular mounting plate 3;
further, the lateral wall fixedly connected with third electric putter 25 of end rail 16, the output of third electric putter 25 run through end rail 16 and with 3 fixed connection of semicircular mounting panel, through third electric putter 25 set up to 3 removal of semicircular mounting panel and provide power, the semicircular mounting panel 3 of being convenient for slides in end rail 16 to make the concatenation of two semicircular mounting panels 3 be circular.
The working principle of the invention is as follows:
firstly, placing a steel pipe or a polyethylene pipe to be treated on a placing guide rail 1 through equipment such as a crane and the like, and then starting a first rotating motor to adjust the position of the steel pipe or the polyethylene pipe to be treated, namely, rotating a gear and meshing the gear with a straight tooth groove to enable a pushing plate 8 to move forwards, so that the pushing plate 8 moving forwards pushes the steel pipe or the polyethylene pipe to be treated to move forwards, and the position of the steel pipe or the polyethylene pipe is adjusted; after the position adjustment finishes, start the second and rotate the motor after that, and then drive the relative motion of two semi-circular arms 13 through double threaded rod 12 to the realization carries out the centre gripping to steel pipe or the polyethylene pipe of handling, through the circular recess that forms between two semi-circular arms, makes the steel pipe or the polyethylene pipe of buckling slightly by the clamp circle owing to the effect of clamping-force simultaneously, then realizes the preliminary shaping of steel pipe or polyethylene pipe.
Restart third electric putter 25, then make two relative motions of semi-annular mounting panel 3, and then be convenient for two 3 concatenations of semi-annular mounting panel and be circular, the setting of rethread first electric putter 21 is convenient for second connecting plate 22 forward motion, thereby will mend and correct in piece 24 sets up the mouth of pipe of steel pipe or polyethylene pipe, at this moment, can make through second electric putter 23 mend and mend movement around piece 24 realizes, and then the semicircle arm 13 in the cooperation steel pipe or the polyethylene pipe outside can be drawn steel pipe or polyethylene pipe and the place of mending the contact of piece 24 and be the circular arc.
In addition, the rotation of the semi-annular connecting plate 4 can be realized through the arrangement of the third rotating motor 14, the rotation of the semi-annular connecting plate 4 can drive the correction block 24-degree deflection thereon, and the arc treatment can be realized at each position of the pipe orifice of the steel pipe or the polyethylene pipe through the correction block 24-degree deflection, so that the circular arrangement of the butt welding position of the steel pipe or the polyethylene pipe is ensured.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an expansion casing complementary unit who expands safely, its characterized in that includes two and places guide rail (1), the many support columns (2) that are used for the support of bottom fixedly connected with of placing guide rail (1), place and install on guide rail (1) and be used for propulsive advancing device, place and install a plurality of correcting unit that are used for the pipeline to reset on guide rail (1), two it is provided with semi-annular mounting panel (3) to place between guide rail (1), and semi-annular mounting panel (3) are connected with semi-annular connecting plate (4) through angle adjusting device, one of them both ends of semi-annular connecting plate (4) all fixedly connected with be used for spacing stopper (5), another the both ends of semi-annular connecting plate (4) are provided with the spacing groove that is used for stopper (5) spacing, the both sides of semi-annular connecting plate (4) all fixedly connected with semi-annular fixed plate (6), the semi-annular fixing plate (6) is connected with a correction device through an advancing device, and a bottom rail (16) used for sliding the semi-annular mounting plate (3) is arranged at the bottom of the semi-annular mounting plate (3).
2. A safety expandable casing assist mechanism according to claim 1, the propulsion device comprises a first rotating motor fixedly connected to the outer side wall of the placing guide rail (1), the output end of the first rotating motor is connected with a gear (7), a propelling plate (8) for propelling is arranged in the placing guide rail (1), sliding strips (9) used for sliding are arranged on two sides of the pushing plate (8), a sliding groove (10) used for the sliding strips (9) to slide is formed in the inner side wall of the placing guide rail (1), the inner bottom of the placing guide rail (1) is provided with a slideway (11) for the pushing plate (8) to slide, the output end of the first rotating motor is connected with the inner side wall of the slideway (11) in a sliding way, and the gear (7) is positioned in the slideway (11), and the bottom of the propulsion plate (8) is provided with a straight tooth groove meshed with the gear (7).
3. The expansion casing auxiliary mechanism of a safe expansion of claim 1, characterized in that, the correcting device includes a second rotating motor fixedly connected to the outer side wall of the placing guide rail (1), the output end of the second rotating motor is connected with a double threaded rod (12), the double threaded rod (12) is connected with two semicircular arms (13) symmetrically arranged, and the inner side wall of the placing guide rail (1) is provided with a track groove for the semicircular arms (13) to slide.
4. The expansion casing auxiliary mechanism of a safe expansion of claim 1, characterized in that, the angle adjusting device includes a third rotating motor (14) fixedly connected to the outer side wall of the placing guide rail (1), the semi-annular mounting plate (3) is provided with an annular groove for the rotation of the semi-annular connecting plate (4), the output end of the third rotating motor (14) penetrates through the side wall of the placing guide rail (1) and is fixedly connected with a bevel gear (15), and the side wall of the semi-annular connecting plate (4) is provided with a bevel gear groove engaged with the bevel gear (15).
5. The expansion casing auxiliary mechanism of a safe expansion of claim 1, characterized in that, the support column (2) at the bottom of one side opposite to the two placing guide rails (1) is rotatably connected with a rotating rod (17), the rotating rod (17) is fixedly connected with the support column (2) through a handle bolt (18), and the rotating rod (17) is provided with a shifting arm (19) for blocking.
6. The expansion casing auxiliary mechanism of a kind of safe expansion of claim 1, characterized by, that the said advancing device includes the first link plate (20) fixedly connected to the outer sidewall of the semi-annular fixed plate (6), the first electric push rod (21) is fixedly connected to the said first link plate (20), the output end of the said first electric push rod (21) is fixedly connected to the second link plate (22).
7. A safety expandable casing tubular auxiliary mechanism according to claim 6, wherein the compensating means comprises a second electric push rod (23) fixedly connected to the second connecting plate (22), the output end of the second electric push rod (23) extending through the second connecting plate (22) and fixedly connected to the compensating block (24).
8. The expansion casing auxiliary mechanism of a safe expansion of claim 1, characterized in that, the outer side wall of the bottom rail (16) is fixedly connected with a third electric push rod (25), and the output end of the third electric push rod (25) penetrates through the bottom rail (16) and is fixedly connected with the semi-annular mounting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911298878.7A CN112108832B (en) | 2019-12-17 | 2019-12-17 | Safe expanded expansion sleeve auxiliary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911298878.7A CN112108832B (en) | 2019-12-17 | 2019-12-17 | Safe expanded expansion sleeve auxiliary mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN112108832A CN112108832A (en) | 2020-12-22 |
| CN112108832B true CN112108832B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911298878.7A Active CN112108832B (en) | 2019-12-17 | 2019-12-17 | Safe expanded expansion sleeve auxiliary mechanism |
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| CN (1) | CN112108832B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124181A (en) * | 1994-11-20 | 1996-06-12 | 中国水利水电第四工程局 | Integrative rolling technology for large pressure steel pipe |
| CN103084775A (en) * | 2013-01-15 | 2013-05-08 | 中国核工业二三建设有限公司 | Method of assembling main pipe and branch pipe of welded pipeline and tooling used for assembling and welding |
| CN206016740U (en) * | 2016-08-24 | 2017-03-15 | 中国石油天然气集团公司 | The adapting device and downhole hardware of expansion sleeve |
| CN108772664A (en) * | 2018-06-27 | 2018-11-09 | 中船澄西船舶修造有限公司 | A kind of positioning tool connect for butt welding of steel tube |
| KR101917818B1 (en) * | 2018-05-03 | 2018-11-13 | 에이치알티에스 주식회사 | Correction apparatus for new pipe internal welded joint and method for rehabilitating superannuated pipes using the same |
| CN208117087U (en) * | 2018-04-27 | 2018-11-20 | 刘峥霞 | A kind of welder for chemical pipeline docking |
| CN109202288A (en) * | 2018-09-25 | 2019-01-15 | 湖北三江航天红阳机电有限公司 | One kind continuously managing full laser soldering device |
-
2019
- 2019-12-17 CN CN201911298878.7A patent/CN112108832B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124181A (en) * | 1994-11-20 | 1996-06-12 | 中国水利水电第四工程局 | Integrative rolling technology for large pressure steel pipe |
| CN103084775A (en) * | 2013-01-15 | 2013-05-08 | 中国核工业二三建设有限公司 | Method of assembling main pipe and branch pipe of welded pipeline and tooling used for assembling and welding |
| CN206016740U (en) * | 2016-08-24 | 2017-03-15 | 中国石油天然气集团公司 | The adapting device and downhole hardware of expansion sleeve |
| CN208117087U (en) * | 2018-04-27 | 2018-11-20 | 刘峥霞 | A kind of welder for chemical pipeline docking |
| KR101917818B1 (en) * | 2018-05-03 | 2018-11-13 | 에이치알티에스 주식회사 | Correction apparatus for new pipe internal welded joint and method for rehabilitating superannuated pipes using the same |
| CN108772664A (en) * | 2018-06-27 | 2018-11-09 | 中船澄西船舶修造有限公司 | A kind of positioning tool connect for butt welding of steel tube |
| CN109202288A (en) * | 2018-09-25 | 2019-01-15 | 湖北三江航天红阳机电有限公司 | One kind continuously managing full laser soldering device |
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| CN112108832A (en) | 2020-12-22 |
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