CN113001092A - Six-equal-division steel pipe stiffening ring assembling equipment - Google Patents
Six-equal-division steel pipe stiffening ring assembling equipment Download PDFInfo
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- CN113001092A CN113001092A CN202110140208.3A CN202110140208A CN113001092A CN 113001092 A CN113001092 A CN 113001092A CN 202110140208 A CN202110140208 A CN 202110140208A CN 113001092 A CN113001092 A CN 113001092A
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- steel pipe
- stiffening ring
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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
Abstract
The invention provides a six-equal-division steel pipe stiffening ring assembling device which is characterized by comprising a first roundness correcting machine base, a second roundness correcting machine base and a stiffening ring trolley, wherein the first roundness correcting machine base, the second roundness correcting machine base and the stiffening ring trolley are positioned at two ends, and the six-equal-division steel pipe stiffening ring assembling device comprises: first school circle machine base and second school circle machine base parallel arrangement, stiffening ring platform truck set up between first school circle machine base and second school circle machine base. The invention divides the stiffening ring into six equal parts in a whole circle to form six stiffening ring pieces, and the stiffening ring pieces are placed on a stiffening ring piece supporting device and are sequentially welded and formed on the outer wall of the steel pipe by virtue of a welding mechanism; the rolling shaft is matched with the pressing wheel, so that the roundness of the steel pipe is guaranteed, and the roller on the lifting arm is driven to drive the steel pipe to rotate.
Description
Technical Field
The invention relates to the technical field of engineering steel pipes, in particular to six-equal-division steel pipe stiffening ring assembling equipment.
Background
At present, the inner diameter of a large-size steel pipe stiffening ring pipe is more than 3 meters, and a plurality of difficulties need to be faced when the stiffening ring is additionally installed, such as how to ensure the roundness of the large-size steel pipe, how to install and position the large-size stiffening ring, and the like.
Disclosure of Invention
In view of the above technical problems, embodiments of the present invention provide a six-equal-division steel pipe stiffening ring assembling apparatus, which adopts a method of making a stiffening ring complete into a circle and six equal divisions, so as to solve the problems of roundness of a large-sized steel pipe with a pipe diameter of more than 3 meters and welding forming of the stiffening ring.
The utility model provides a six equant steel pipe stiffening ring assembles equipment, is including first school circular knitting machine base (11), second school circular knitting machine base (12) and stiffening ring platform truck (20) that are located both ends, wherein: the first roundness correcting machine base (11) and the second roundness correcting machine base (12) are arranged in parallel, and the stiffening ring trolley (20) is arranged between the first roundness correcting machine base (11) and the second roundness correcting machine base (12);
two ends of the first rounding machine base (11) and the second rounding machine base (12) are respectively provided with a lifting arm (13) which inclines upwards and can lift and descend, the end part of the lifting arm is provided with a roller (14) which is in rolling connection with the surface of the steel pipe (30), and the roller (14) is driven by a motor to drive the steel pipe (30) to rotate; a rolling shaft (15) which can be horizontally laid down and is connected with the middle part of the first roundness correcting machine base (11) is arranged in the middle of the second roundness correcting machine base (12), the rolling shaft penetrates through the inside of the steel pipe (30) and is in rolling connection with the inner wall of the steel pipe, and two arc-shaped pressing wheels (16) are arranged on the first roundness correcting machine base (11) and the second roundness correcting machine base (12) on two sides of the rolling shaft (15) respectively and used for supporting the outer wall of the steel pipe;
the stiffening ring trolley (20) is arranged below the rolling shaft (15), arc-shaped rails (21) which are arranged along the radial direction of the steel pipe (30) and are matched with the outer diameter of the steel pipe (30) are arranged on the stiffening ring trolley (20), the two arc-shaped rails (21) are in a group, a welding mechanism (22) which runs along the arc-shaped rails (21) is arranged on each arc-shaped rail (21), a supporting device (23) which is used for supporting stiffening ring sheets (31) is arranged between the two arc-shaped rails (21), the supporting device (23) can support the six stiffening ring sheets (31) side by side, the supporting device (23) is driven by a translation mechanism (25), the supporting device (23) can move between the two arc-shaped rails (21) along the axial direction of the steel pipe (30), lifting mechanisms (24) which can move along the vertical direction are respectively arranged at the two ends of the stiffening ring sheets (31), and the lifting mechanisms (24) can be supported at the end parts of the stiffening ring sheets (31), so as to lift up the stiffening ring piece (31), and the welding heads of the welding mechanisms (22) at the two sides of the lifted stiffening ring piece (31) are aligned to the inner arc edge of the stiffening ring piece (31); the inner arc edge of the stiffening ring piece (31) is matched with the outer diameter of the steel pipe (30).
The rolling shaft (15) comprises a shaft center and a shaft roller, one end of the shaft center is rotatably connected with the hydraulic arm (17) to enable the shaft center to turn around the hydraulic arm (17), and the hydraulic arm (17) is connected with the middle part of the second calibrator base (12); the other end of the axis is detachably connected through a hydraulic connecting rod (18), and the hydraulic connecting rod (18) is connected with the middle part of the first rounding machine base (11).
The lifting arm (13) is of a mechanical arm structure, one end of the installation roller (14) is a free end, the other end of the installation roller is a fixed end, and the installation roller can be connected to the corresponding base in a twisting mode.
The hydraulic arm (17) is arranged on the outer side of the second calibration machine base (12); the hydraulic connecting rod (18) is arranged on the outer side of the first rounding machine base (11).
The roller (14) and the pressing wheel (16) are positioned on the same vertical surface.
The bottom of stiffening ring platform truck (20) is equipped with walking wheel (26), and walking wheel (26) pass through motor drive to be equipped with the track that supplies the walking wheel to walk between first school circular knitting machine base (11) and second school circular knitting machine base (12).
Two groups of arc-shaped rails (21), two groups of welding mechanisms (22), two groups of supporting devices (23), two groups of translation mechanisms (25) and two groups of corresponding lifting mechanisms (24) are arranged.
The lower part of the welding mechanism (22) is driven by a roller mechanism to enable the welding mechanism to reciprocate along the arc-shaped track (21).
The translation mechanism (25) comprises a track arranged along the axial direction of the steel pipe and a screw rod which is parallel to the track and is in fit connection with the supporting device (23).
The lifting mechanism (24) comprises a vertical track and a lifting block which is driven by hydraulic pressure and moves along the vertical track; the supporting block is wedge-shaped, and the wedge-shaped surface supports the end part of the stiffening ring sheet (31).
The invention divides the stiffening ring into six equal parts in a whole circle to form six stiffening ring pieces, and the stiffening ring pieces are placed on a stiffening ring piece supporting device and are sequentially welded and formed on the outer wall of the steel pipe by virtue of a welding mechanism; the rolling shaft is matched with the pressing wheel, so that the roundness of the steel pipe is guaranteed, and the roller on the lifting arm is driven to drive the steel pipe to rotate.
Drawings
FIG. 1 is a schematic structural view (top view) of a first and second rounder base;
FIG. 2 is a schematic structural view (front view) of a first and second rounder base;
FIG. 3 is a schematic structural view (side view) of a first and second rounder base;
FIG. 4 is a schematic structural view (elevation) of a stiffener ring trolley;
FIG. 5 is a schematic structural view (side view) of a stiffener ring trolley;
FIG. 6 is a schematic structural view (top view) of a stiffener ring trolley;
FIG. 7 is a schematic view (front view) of the overall structure of a six-section steel pipe stiffening ring assembling device;
FIG. 8 is a schematic view (side view) of the overall structure of the six-equal-part steel pipe stiffening ring assembling device.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
As shown in fig. 1 to 8, an embodiment of the present invention provides a six-equal-part steel pipe stiffening ring assembling apparatus, including a first roundness correcting machine base 11, a second roundness correcting machine base 12 and a stiffening ring trolley 20, where: the first and second roundness correcting machine bases 11 and 12 are arranged in parallel, and the stiffening ring trolley 20 is arranged between the first and second roundness correcting machine bases 11 and 12; the first rounding machine base 11 and the second rounding machine base 12 are erected at two ends of the steel pipe 30 to support the steel pipe 30, the steel pipe 30 is driven to rotate through the power mechanism, and the roundness of the steel pipe is corrected in the rotating process; the stiffening ring trolley 20 can enter the lower part of the steel pipe 30 from the outside, the stiffening ring pieces 31 are arranged on the stiffening ring trolley 20, and six equally divided stiffening ring pieces 31 are sequentially welded to the outer circumference of the steel pipe 30 through the action of the stiffening ring trolley to form a whole circle again.
The two ends of the first and second rounding machine bases 11 and 12 are respectively provided with a lifting arm 13 which is inclined upwards and can lift and descend, the end part of the lifting arm 13 is provided with a roller 14 which is in rolling connection with the surface of the steel pipe 30, and the roller 14 is driven by a motor to drive the steel pipe 30 to rotate; a rolling shaft 15 which can be horizontally laid down and is connected with the middle part of the first roundness correcting machine base 11 is arranged in the middle of the second roundness correcting machine base 12, the rolling shaft penetrates through the inside of the steel pipe 30 and is in rolling connection with the inner wall of the steel pipe, and two arc-shaped pressing wheels 16 (four pressing wheels are arranged on each base) are respectively arranged on the first roundness correcting machine base 11 and the second roundness correcting machine base 12 at two sides of the rolling shaft 15 and are used for supporting the outer wall of the steel pipe; the lift arm 13 can support the steel pipe 30, and after the lift arm 13 falls, the steel pipe 30 is connected to the pinch roller on the base, and the rolling shaft 15 passes through the inside of the steel pipe 30 and is in rolling connection with the inner wall of the steel pipe, so that the rolling shaft 15 and the pinch roller 16 can correct the roundness of the steel pipe 30, and the steel pipe is driven to rotate by the roller 14 on the lift arm 13 to serve as a power device.
The stiffening ring trolley 20 is arranged below the rolling shaft 15, the stiffening ring trolley 20 is provided with two arc-shaped tracks 21 which are arranged along the radial direction of the steel pipe 30 and are matched with the outer diameter of the steel pipe 30, the two arc-shaped tracks 21 form a group, a welding mechanism 22 walking along the arc-shaped rails 21 is arranged on each arc-shaped rail 21, a supporting device 23 for supporting the stiffening ring pieces 31 is arranged between the two arc-shaped rails 21, six stiffening ring pieces 31 can be supported on the supporting device 23 side by side, and the supporting device 23 is driven by the translation mechanism 25, so that the supporting device 23 can move between the two arc-shaped rails 21 along the axial direction of the steel pipe 30, two ends of the stiffening ring sheet 31 are respectively provided with a lifting mechanism 24 capable of moving along the vertical direction, the lifting mechanisms 24 can be supported at the end parts of the stiffening ring sheet 31, so as to lift up the stiffening ring piece 31, and the welding heads of the welding mechanisms 22 at the two sides of the lifted stiffening ring piece 31 are aligned with the inner arc edge of the stiffening ring piece 31; the inner arc edge of the stiffening ring piece 31 is matched with the outer diameter of the steel pipe 30. The arc-shaped rail 21 which is matched with the radian of the steel pipe 30 (the radians are different, but the centers of the arcs are overlapped) is utilized, so that the welding device 22 can complete the welding work of the stiffening ring pieces 31 in the process of moving along the arc-shaped rail 21; after welding of a stiffening ring piece 31 is completed, the roller 14 on the lifting arm 13 is started again to drive the steel pipe to rotate for 60 degrees, and the rolling shaft 15 completes the correction of the roundness of the steel pipe in the rotating process; then the supporting device 23 is moved by the translation mechanism 25, so that the next stiffening ring piece 31 is aligned with the lifting mechanism 24, and the stiffening ring piece 31 is lifted by the lifting mechanism and closely attached to the outer wall of the steel pipe 30, and at this time, the welding device is started again to perform welding work along the arc-shaped rail 21.
The rolling shaft 15 comprises a shaft center and a shaft roller, one end of the shaft center is rotatably connected with the hydraulic arm 17, so that the shaft center can turn around the hydraulic arm 17, and the hydraulic arm 17 is connected with the middle part of the second calibration machine base 12; the other end of the axis is detachably connected through a hydraulic connecting rod 18, and the hydraulic connecting rod 18 is connected with the middle part of the first rounding machine base 11. When the rolling shaft 15 works, the axis is fixed and is connected with the inner wall of the steel pipe 30 in a rolling way by a shaft roller, and the shaft roller rotates relative to the axis; during the rotation of the shaft roller, the roundness of the steel pipe is corrected by the supporting and correcting action of the pressing wheel 16. The hydraulic arm 17 and the hydraulic link 18 both adopt hydraulic equipment so as to control the pressing force between the rolling shaft 15 and the inner wall of the steel pipe. The hydraulic arm 17 is an oil cylinder and an oil cylinder rod which are supported on the rolling shaft in an inclined mode, the rolling shaft 15 is controlled to turn over in the horizontal direction in a downward inclined pulling mode, the hydraulic connecting rod 18 is an oil cylinder and an oil cylinder rod which are arranged in the vertical direction, the top end of the hydraulic connecting rod 18 is provided with a shaft sleeve structure connected with the rolling shaft 15, and the shaft sleeve structure can be opened and closed to achieve connection or separation with the shaft end of the rolling shaft 15.
The lifting arm 13 is of a mechanical arm structure, one end of the installation roller 14 is a free end, the other end of the installation roller is a fixed end, and the installation roller can be connected to the corresponding base in a twisting mode. The lifting arm 13 can adopt complex mechanical arm transmission, can complete the supporting effect on the steel pipe, and can swing up and down, so that the height of the steel pipe is controlled, and correspondingly, the mechanical arm can also adjust the supporting force on the steel pipe to drive the steel pipe to rotate.
The hydraulic arm 17 is arranged on the outer side of the second calibration machine base 12; the hydraulic link 18 is disposed outside the first rounding machine base 11. Accordingly, the rolling shaft 15 has a length longer than that of the steel pipe 30 so that both ends of the rolling shaft protrude outside the steel pipe 30.
The rollers 14 and the press wheels 16 are located on the same vertical plane.
The bottom of the stiffening ring trolley 20 is provided with a walking wheel 26, the walking wheel 26 is driven by a motor, and a track for the walking wheel to walk is arranged between the first roundness correcting machine base 11 and the second roundness correcting machine base 12.
The arc-shaped rails 21, the welding mechanisms 22, the supporting devices 23, the translation mechanisms 25 and the corresponding lifting mechanisms 24 are provided with two groups, so that the stiffening ring trolley 20 can weld two stiffening ring pieces 31 to the steel pipe 30 at the same time. It will be appreciated by those skilled in the art that three or four sets of mechanisms may be provided to achieve simultaneous welding of three or four stiffening ring segments 31, if desired.
The lower portion of the welding mechanism 22 is driven by a roller mechanism (not shown) so as to reciprocate along the arc-shaped rail 21. Generally, the roller mechanism is a roller mechanism capable of being clamped at two sides of the arc-shaped track 21 or rolling along the arc-shaped track surface, and is required to be capable of adapting to the radian requirement of the arc-shaped track 21.
The translation mechanism 25 comprises a track arranged along the axial direction of the steel pipe and a screw rod which is parallel to the track and is in fit connection with the supporting device 23. The translation mechanism is driven by a stepping motor so as to automatically feed a predetermined stroke after completing the welding of one stiffener ring piece 31 each time, so as to satisfy that the next stiffener ring piece 31 just falls within the bearing range of the lifting mechanism 24.
The lifting mechanism 24 comprises a vertical track and a lifting block driven by hydraulic pressure and moving along the vertical track; the supporting block is wedge-shaped, the wedge-shaped surface supports the end part of the stiffening ring piece 31, and the supporting block is generally required to be provided with a V-shaped groove structure for automatic alignment, so that the end part of the stiffening ring piece 31 falls into the V-shaped groove, and the stiffening ring piece 31 is prevented from deviating due to automatic alignment under the guidance of the V-shaped groove.
The invention divides the stiffening ring into six equal parts in a whole circle to form six stiffening ring pieces, and the stiffening ring pieces are placed on a stiffening ring piece supporting device and are sequentially welded and formed on the outer wall of the steel pipe by virtue of a welding mechanism; the rolling shaft is matched with the pressing wheel, so that the roundness of the steel pipe is guaranteed, and the roller on the lifting arm is driven to drive the steel pipe to rotate.
It will be appreciated by persons skilled in the art that the above embodiments are illustrative and not restrictive. Different features which are present in different embodiments may be combined to advantage. Other variations to the disclosed embodiments can be understood and effected by those skilled in the art upon studying the specification and the claims. In the claims, the term "comprising" does not exclude other means or steps; the indefinite article "a" does not exclude a plurality; the terms "first" and "second" are used to denote a name and not to denote any particular order.
Claims (10)
1. The utility model provides a six equant steel pipe stiffening ring equipment of piecing together which characterized in that, including first school circular knitting machine base (11), second school circular knitting machine base (12) and stiffening ring platform truck (20) that are located both ends, wherein: the first roundness correcting machine base (11) and the second roundness correcting machine base (12) are arranged in parallel, and the stiffening ring trolley (20) is arranged between the first roundness correcting machine base (11) and the second roundness correcting machine base (12);
two ends of the first rounding machine base (11) and the second rounding machine base (12) are respectively provided with a lifting arm (13) which inclines upwards and can lift and descend, the end part of the lifting arm is provided with a roller (14) which is in rolling connection with the surface of the steel pipe (30), and the roller (14) is driven by a motor to drive the steel pipe (30) to rotate; a rolling shaft (15) which can be horizontally laid down and is connected with the middle part of the first roundness correcting machine base (11) is arranged in the middle of the second roundness correcting machine base (12), the rolling shaft penetrates through the inside of the steel pipe (30) and is in rolling connection with the inner wall of the steel pipe, and two arc-shaped pressing wheels (16) are arranged on the first roundness correcting machine base (11) and the second roundness correcting machine base (12) on two sides of the rolling shaft (15) respectively and used for supporting the outer wall of the steel pipe;
the stiffening ring trolley (20) is arranged below the rolling shaft (15), arc-shaped rails (21) which are arranged along the radial direction of the steel pipe (30) and are matched with the outer diameter of the steel pipe (30) are arranged on the stiffening ring trolley (20), the two arc-shaped rails (21) are in a group, a welding mechanism (22) which runs along the arc-shaped rails (21) is arranged on each arc-shaped rail (21), a supporting device (23) which is used for supporting stiffening ring sheets (31) is arranged between the two arc-shaped rails (21), the supporting device (23) can support the six stiffening ring sheets (31) side by side, the supporting device (23) is driven by a translation mechanism (25), the supporting device (23) can move between the two arc-shaped rails (21) along the axial direction of the steel pipe (30), lifting mechanisms (24) which can move along the vertical direction are respectively arranged at the two ends of the stiffening ring sheets (31), and the lifting mechanisms (24) can be supported at the end parts of the stiffening ring sheets (31), so as to lift up the stiffening ring piece (31), and the welding heads of the welding mechanisms (22) at the two sides of the lifted stiffening ring piece (31) are aligned to the inner arc edge of the stiffening ring piece (31); the inner arc edge of the stiffening ring piece (31) is matched with the outer diameter of the steel pipe (30).
2. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the rolling shaft (15) comprises a shaft center and a shaft roller, one end of the shaft center is rotatably connected with the hydraulic arm (17) to enable the shaft center to turn around the hydraulic arm (17), and the hydraulic arm (17) is connected with the middle part of the second calibrator base (12); the other end of the axis is detachably connected through a hydraulic connecting rod (18), and the hydraulic connecting rod (18) is connected with the middle part of the first rounding machine base (11).
3. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the lifting arm (13) is of a mechanical arm structure, one end of the installation roller (14) is a free end, the other end of the installation roller is a fixed end, and the installation roller can be connected to the corresponding base in a twisting mode.
4. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the hydraulic arm (17) is arranged on the outer side of the second calibration machine base (12); the hydraulic connecting rod (18) is arranged on the outer side of the first rounding machine base (11).
5. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the roller (14) and the pressing wheel (16) are positioned on the same vertical surface.
6. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the bottom of stiffening ring platform truck (20) is equipped with walking wheel (26), and walking wheel (26) pass through motor drive to be equipped with the track that supplies the walking wheel to walk between first school circular knitting machine base (11) and second school circular knitting machine base (12).
7. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
two groups of arc-shaped rails (21), two groups of welding mechanisms (22), two groups of supporting devices (23), two groups of translation mechanisms (25) and two groups of corresponding lifting mechanisms (24) are arranged.
8. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the lower part of the welding mechanism (22) is driven by a roller mechanism to enable the welding mechanism to reciprocate along the arc-shaped track (21).
9. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the translation mechanism (25) comprises a track arranged along the axial direction of the steel pipe and a screw rod which is parallel to the track and is in fit connection with the supporting device (23).
10. The assembly equipment of six-equal-division steel pipe stiffening rings according to claim 1,
the lifting mechanism (24) comprises a vertical track and a lifting block which is driven by hydraulic pressure and moves along the vertical track; the supporting block is wedge-shaped, and the wedge-shaped surface supports the end part of the stiffening ring sheet (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110140208.3A CN113001092B (en) | 2021-02-02 | 2021-02-02 | Six-equal-division steel pipe stiffening ring assembling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110140208.3A CN113001092B (en) | 2021-02-02 | 2021-02-02 | Six-equal-division steel pipe stiffening ring assembling equipment |
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| CN113001092A true CN113001092A (en) | 2021-06-22 |
| CN113001092B CN113001092B (en) | 2023-01-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001081A (en) * | 2021-02-02 | 2021-06-22 | 中国水电四局（兰州）机械装备有限公司 | Stiffening ring trolley |
| CN113814646A (en) * | 2021-09-10 | 2021-12-21 | 中国水利水电第八工程局有限公司 | Steel pipe stiffening ring assembling device and assembling method thereof |
| CN114619200A (en) * | 2022-04-27 | 2022-06-14 | 中铁七局集团有限公司 | Centering device for pressure steel pipe welding stiffening ring and welding system |
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| CN114619200B (en) * | 2022-04-27 | 2023-10-20 | 中铁七局集团有限公司 | Centering device and welding system for welding stiffening ring of pressure steel pipe |
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