CN105269233A - Straight slit steel pipe seaming machine - Google Patents
Straight slit steel pipe seaming machine Download PDFInfo
- Publication number
- CN105269233A CN105269233A CN201510800561.4A CN201510800561A CN105269233A CN 105269233 A CN105269233 A CN 105269233A CN 201510800561 A CN201510800561 A CN 201510800561A CN 105269233 A CN105269233 A CN 105269233A
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- Prior art keywords
- roller
- oblique side
- pressure
- hydraulic cylinder
- oblique
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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
- 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
-
- 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
- B23K37/0535—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 longitudinal pipe seam alignment clamps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a straight slit steel pipe seaming machine. The straight slit steel pipe seaming machine comprises an upper beam, stand columns, a lower beam, an upper guiding assembly, an upper press roller assembly, an upper left inclined side press roller assembly, an upper right inclined side press roller assembly, a rotating wheel frame, a left side press roller assembly and a right side press roller assembly. The multiple stand columns are arranged between the upper beam and the lower beam. Upper guiding holes are formed in the two ends of the upper beam respectively. Upper guiding columns penetrate through the upper guiding holes. The ends of the upper guiding columns are connected with a top base. A through hole is formed in the middle of the top base. A piston rod of an upper pressure hydraulic cylinder penetrates through the through hole. The upper press roller assembly is arranged on the piston rod of the upper pressure hydraulic cylinder. The upper press roller assembly, the upper left inclined side press roller assembly and the upper right inclined side press roller assembly are used for automatically driving an opening steel pipe to move, and therefore the length of the steel pipe is not limited, the structural characteristic is different from other drive manners during continuous seaming, and by means of the unique structure, it is determined that the machine is simple in structure and reliable, and the cost performance is far lower than that of similar machines.
Description
Technical field
The present invention relates to a kind of steel pipes with straight linking machine.
Background technology
Steel pipe linking machine is as one of the key equipment of UOE production line.Existing common steel pipe linking machine is the structure adopting lower pressure cylinder and both sides compression hydraulic cylinder, this structure, because lower pressure cylinder acts directly on steel pipe, can exist in joint close process because steel pipe joint close pressure causes greatly steel pipe outward appearance to occur the problem of significantly distortion or more serious impression.Requirement can be had to the length of steel pipe simultaneously, the steel pipe joint close operation of regular length can only be applicable to.
The problems referred to above should be paid attention to and the problem solved in the design and production process of steel pipe linking machine.
Summary of the invention
The object of this invention is to provide a kind of steel pipes with straight linking machine solve in prior art exist act directly on steel pipe due to lower pressure cylinder, can exist in joint close process because steel pipe joint close pressure causes greatly steel pipe outward appearance to occur the problem of significantly distortion or more serious impression, and the problem of the steel pipe joint close operation of regular length can only be applicable to.
Technical solution of the present invention is:
A kind of steel pipes with straight linking machine, comprise entablature, column, sill, upper guidance set, upper press roll component, the oblique side pressure roll assembly in upper left, the oblique side pressure roll assembly of upper right, swing roller frame, left side press roll component, right side press roll component, some columns are provided with between entablature and sill, the two ends of entablature are respectively equipped with pilot hole, through there being upper lead in upper pilot hole, connection top, the end base of upper lead, the middle part of top base is provided with through hole, by there being the piston rod of upper pressure cylinder in through hole, the piston rod of the piston rod of upper pressure cylinder is provided with press roll component, the top base of upper pressure cylinder is fixed on entablature, the both sides of top base are respectively equipped with oblique side, upper left hydraulic cylinder, upper right oblique side hydraulic cylinder, the piston rod of oblique side, upper left hydraulic cylinder is provided with the oblique side pressure roll assembly in upper left, the piston rod of upper right oblique side hydraulic cylinder is provided with the oblique side pressure roll assembly of upper right, top base is also connected with inner support roll assembly, and swing roller is set up on sill, and left side press roll component, right side press roll component are located on column respectively.
Further, inner support roll assembly comprises inner support support, and inner support support adopts L bracket, and inner support support is provided with more than one inner support roller.
Further, upper press roll component comprises pressure stand frame, and upper pressure stand frame is provided with more than one upper pressure roller.
Further, upper left oblique side pressure roll assembly comprises the oblique side pressure stand frame in upper left, and upper left oblique side pressure stand frame is provided with the oblique side pressure roller in more than one upper left.
Further, upper right oblique side pressure roll assembly comprises the oblique side pressure stand frame of upper right, and upper right oblique side pressure stand frame is provided with the oblique side pressure roller of more than one upper right.
Further, left side press roll component comprises left side hydraulic cylinder, left side lead, left-hand foot, left side guide holder is provided with left side pilot hole, through there being left side lead in the pilot hole of left side, the end of left side lead connects left-hand foot, left-hand foot is provided with the longitudinal hydraulic cylinder in left side, and the piston rod of the longitudinal hydraulic cylinder in left side is provided with left side brackets frame, and left side brackets frame is provided with more than one left side pressure roller.
Further, right side press roll component comprises right side hydraulic cylinder, right side lead, right side base, right side guide holder is provided with right side pilot hole, through there being right side lead in the pilot hole of right side, the end of right side lead connects right side base, right side base is provided with the longitudinal hydraulic cylinder in right side, and the piston rod of the longitudinal hydraulic cylinder in right side is provided with right side stand frame, and right side stand frame is provided with more than one right side pressure roller.
Further, also comprise feeding roller table and discharging roller-way, feeding roller table comprises charging seat, charging seat is provided with V-arrangement feed roller, and V-arrangement feed roller is connected with the rotating shaft of charging motor, and discharging roller-way comprises discharging seat, discharging seat is provided with V-arrangement discharge roller, and V-arrangement discharge roller is connected with the rotating shaft of discharging motor.
Further, swing roller frame comprises support frame, and support frame is provided with more than one support roller, and support roller is connected with the rotating shaft of electric rotating machine.
Further, the oblique side pressure in upper left roll assembly, the upper right oblique side pressure roll assembly clear both sides being arranged on press roll component respectively, and the oblique side pressure in upper left roll assembly, upper right oblique side pressure roll assembly axial symmetry are arranged.
The invention has the beneficial effects as follows: this kind of steel pipes with straight linking machine, automatically driven driven open steel pipe to move by upper press roll component, the oblique side pressure in upper left roll assembly, the oblique side pressure roll assembly of upper right, so unrestricted to the length of steel pipe, this design feature is difference and other type of drive when continuous joint close, the structure of unique structures shape machine is simple, reliably, cost performance is well below same machines.This kind of steel pipes with straight linking machine, can avoid in joint close process because steel pipe joint close pressure causes greatly steel pipe outward appearance to occur significantly distortion or more serious impression in scope little as far as possible.This kind of steel pipes with straight linking machine, simple to operate, control safe and reliable.This kind of steel pipes with straight linking machine, can Automatic continuous joint close, realizes continuous welding, is applicable to caliber scope large, the automatic joint close that especially can meet large wall thickness steel tube with weld.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention steel pipes with straight linking machine;
Fig. 2 is another structural representation of embodiment of the present invention steel pipes with straight linking machine;
Fig. 3 is the structural representation of top base in embodiment, upper press roll component, the oblique side pressure in upper left roll assembly, the oblique side pressure roll assembly of upper right and inner support roll assembly;
Fig. 4 is the structural representation of feeding roller table in embodiment;
Wherein: 1-entablature, 2-column, 3-sill, the upper press roll component of 4-, the oblique side pressure roll assembly in 5-upper left, the oblique side pressure roll assembly of 6-upper right, 7-swing roller frame, press roll component on the left of 8-, press roll component on the right side of 9-, the upper lead of 10-, 11-top base, the upper pressure cylinder of 12-, oblique side, 13-upper left hydraulic cylinder, 14-upper right oblique side hydraulic cylinder, 15-inner support support, 16-inner support roller, 17-feeding roller table, 18-discharging roller-way; 171-V shape feed roller, 172-charging seat, 173-charging motor.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment
A kind of steel pipes with straight linking machine, as figure, 1 and Fig. 3, comprise entablature 1, column 2, sill 3, upper guidance set, upper press roll component 4, the oblique side pressure roll assembly 5 in upper left, the oblique side pressure roll assembly 6 of upper right, swing roller frame 7, left side press roll component 8, right side press roll component 9, some columns 2 are provided with between entablature 1 and sill 3, the two ends of entablature 1 are respectively equipped with pilot hole, through there being upper lead 10 in upper pilot hole, connection top, the end base 11 of upper lead 10, the middle part of top base 11 is provided with through hole, by there being the piston rod of upper pressure cylinder 12 in through hole, the piston rod of the piston rod of upper pressure cylinder 12 is provided with press roll component 4, the top base 11 of upper pressure cylinder 12 is fixed on entablature 1, the both sides of top base 11 are respectively equipped with oblique side, upper left hydraulic cylinder 13, upper right oblique side hydraulic cylinder 14, the piston rod of oblique side, upper left hydraulic cylinder 13 is provided with the oblique side pressure roll assembly 5 in upper left, the piston rod of upper right oblique side hydraulic cylinder 14 is provided with the oblique side pressure roll assembly 6 of upper right, top base 11 is also connected with inner support roller 16 assembly, and swing roller frame 7 is located on sill 3, and left side press roll component 8, right side press roll component 9 are located on column 2 respectively.
This kind of steel pipes with straight linking machine, installation site in production line should at forming machine, after bender or veneer reeling machine, this kind of steel pipes with straight linking machine, it is the upper press roll component 4 by circumferential spread direction, the oblique side pressure roll assembly 5 in upper left, the oblique side pressure roll assembly 6 of upper right stretches, straight slot aperture steel pipe pressing after bending is closed up and passes through gas-shielded welding device or other welding continuous welding, for follow-up steel pipe carries out the bottoming of submerged arc welding prewelding or a welding fabrication, also can realize the straight slot aperture steel pipe pressing after by bending close up and by submerged arc welding apparatus continuous welding.
This kind of steel pipes with straight linking machine, can avoid in joint close process because steel pipe joint close pressure causes greatly steel pipe outward appearance to occur significantly distortion or more serious impression in scope little as far as possible.This kind of steel pipes with straight linking machine, simple to operate, control safe and reliable.This kind of steel pipes with straight linking machine, can Automatic continuous joint close, realizes continuous welding, is applicable to caliber scope large, the automatic joint close that especially can meet large wall thickness steel tube with weld.
As Fig. 2, Fig. 3, Fig. 2 is the left side view of Fig. 1, and inner support roller 16 assembly comprises inner support support 15, and inner support support 15 adopts L bracket, and inner support support 15 is provided with more than one inner support roller 16.Inner support support 15 stretches into steel duct, is supported by inner support roller 16 pairs of steel pipes.Can installing gas protective device on inner support support 15.
Upper press roll component 4 comprises pressure stand frame, and upper pressure stand frame is provided with more than one upper pressure roller.The oblique side pressure in upper left roll assembly 5 comprises the oblique side pressure stand frame in upper left, and upper left oblique side pressure stand frame is provided with the oblique side pressure roller in more than one upper left.Upper right oblique side pressure roll assembly 6 comprises the oblique side pressure stand frame of upper right, and upper right oblique side pressure stand frame is provided with the oblique side pressure roller of more than one upper right.
Left side press roll component 8 comprises left side hydraulic cylinder, left side lead, left-hand foot, left side guide holder is provided with left side pilot hole, through there being left side lead in the pilot hole of left side, the end of left side lead connects left-hand foot, left-hand foot is provided with the longitudinal hydraulic cylinder in left side, the piston rod of the longitudinal hydraulic cylinder in left side is provided with left side brackets frame, and left side brackets frame is provided with more than one left side pressure roller.
Right side press roll component 9 comprises right side hydraulic cylinder, right side lead, right side base, right side guide holder is provided with right side pilot hole, through there being right side lead in the pilot hole of right side, the end of right side lead connects right side base, right side base is provided with the longitudinal hydraulic cylinder in right side, the piston rod of the longitudinal hydraulic cylinder in right side is provided with right side stand frame, and right side stand frame is provided with more than one right side pressure roller.
The oblique side pressure in upper left roll assembly 5, the upper right oblique side pressure roll assembly 6 clear both sides being arranged on press roll component 4 respectively, and the oblique side pressure in upper left roll assembly 5, upper right oblique side pressure roll assembly 6 axial symmetry are arranged.
This kind of steel pipes with straight linking machine, automatically being driven by upper press roll component 4, the oblique side pressure in upper left roll assembly 5, the oblique side pressure roll assembly 6 of upper right drives open steel pipe to move, so unrestricted to the length of steel pipe, this design feature is difference and other type of drive when continuous joint close, the structure of unique structures shape machine is simple, reliably, cost performance is well below same machines.
Also comprise feed roller 171 road 17, as Fig. 4, feed roller 171 road 17 comprises charging seat 172, and charging seat 172 is provided with V-arrangement feed roller 171, and V-arrangement feed roller 171 is connected with the rotating shaft of charging motor 173.Also comprise discharging roller-way 18, discharging roller-way 18 comprises discharging seat, and discharging seat is provided with V-arrangement discharge roller, and V-arrangement discharge roller is connected with the rotating shaft of discharging motor.Swing roller frame 7 comprises support frame, and support frame is provided with more than one support roller, and support roller is connected with the rotating shaft of electric rotating machine.
For the steel pipe that cracks for joint close prewelding, usually require the A/F that suitable, this opening optimum range is 30-70mm.Should get the small value for its opening amount of thick walled steel tube, when using thick walled steel tube joint close, suggestion uses forcing press to make cracking of opening steel pipe reduce joint close prewelding again.Misalignment for opening steel pipe also has a best scope, and General Requirements misalignment degree controls at below 0-30mm as best.Should get the small value for its unfitness of butt joint of thick walled steel tube.This kind of steel pipes with straight linking machine, design Automatic continuous joint close thickest 30mm, should realize intermittent point welding for 30-50mm thickness opening steel pipe.
Claims (10)
1. a steel pipes with straight linking machine, it is characterized in that: comprise entablature, column, sill, upper guidance set, upper press roll component, the oblique side pressure roll assembly in upper left, the oblique side pressure roll assembly of upper right, swing roller frame, left side press roll component, right side press roll component, some columns are provided with between entablature and sill, the two ends of entablature are respectively equipped with pilot hole, through there being upper lead in upper pilot hole, connection top, the end base of upper lead, the middle part of top base is provided with through hole, by there being the piston rod of upper pressure cylinder in through hole, the piston rod of the piston rod of upper pressure cylinder is provided with press roll component, the top base of upper pressure cylinder is fixed on entablature, the both sides of top base are respectively equipped with oblique side, upper left hydraulic cylinder, upper right oblique side hydraulic cylinder, the piston rod of oblique side, upper left hydraulic cylinder is provided with the oblique side pressure roll assembly in upper left, the piston rod of upper right oblique side hydraulic cylinder is provided with the oblique side pressure roll assembly of upper right, top base is also connected with inner support roll assembly, and swing roller is set up on sill, and left side press roll component, right side press roll component are located on column respectively.
2. steel pipes with straight linking machine as claimed in claim 1, is characterized in that: inner support roll assembly comprises inner support support, and inner support support adopts L bracket, and inner support support is provided with more than one inner support roller.
3. steel pipes with straight linking machine as claimed in claim 2, is characterized in that: upper press roll component comprises pressure stand frame, and upper pressure stand frame is provided with more than one upper pressure roller.
4. steel pipes with straight linking machine as claimed in claim 3, it is characterized in that: upper left oblique side pressure roll assembly comprises the oblique side pressure stand frame in upper left, upper left oblique side pressure stand frame is provided with the oblique side pressure roller in more than one upper left.
5. steel pipes with straight linking machine as claimed in claim 4, it is characterized in that: upper right oblique side pressure roll assembly comprises the oblique side pressure stand frame of upper right, upper right oblique side pressure stand frame is provided with the oblique side pressure roller of more than one upper right.
6. the steel pipes with straight linking machine as described in any one of claim 1-5, it is characterized in that: left side press roll component comprises left side hydraulic cylinder, left side lead, left-hand foot, left side guide holder is provided with left side pilot hole, through there being left side lead in the pilot hole of left side, the end of left side lead connects left-hand foot, left-hand foot is provided with the longitudinal hydraulic cylinder in left side, and the piston rod of the longitudinal hydraulic cylinder in left side is provided with left side brackets frame, and left side brackets frame is provided with more than one left side pressure roller.
7. the steel pipes with straight linking machine as described in any one of claim 1-5, it is characterized in that: right side press roll component comprises right side hydraulic cylinder, right side lead, right side base, right side guide holder is provided with right side pilot hole, through there being right side lead in the pilot hole of right side, the end of right side lead connects right side base, right side base is provided with the longitudinal hydraulic cylinder in right side, and the piston rod of the longitudinal hydraulic cylinder in right side is provided with right side stand frame, and right side stand frame is provided with more than one right side pressure roller.
8. the steel pipes with straight linking machine as described in any one of claim 1-5, it is characterized in that: also comprise feeding roller table and discharging roller-way, feeding roller table comprises charging seat, charging seat is provided with V-arrangement feed roller, V-arrangement feed roller is connected with the rotating shaft of charging motor, discharging roller-way comprises discharging seat, and discharging seat is provided with V-arrangement discharge roller, and V-arrangement discharge roller is connected with the rotating shaft of discharging motor.
9. the steel pipes with straight linking machine as described in any one of claim 1-5, is characterized in that: swing roller frame comprises support frame, and support frame is provided with more than one support roller, and support roller is connected with the rotating shaft of electric rotating machine.
10. the steel pipes with straight linking machine as described in any one of claim 1-5, it is characterized in that: the oblique side pressure in upper left roll assembly, the upper right oblique side pressure roll assembly clear both sides being arranged on press roll component respectively, and the oblique side pressure in upper left roll assembly, upper right oblique side pressure roll assembly axial symmetry are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800561.4A CN105269233A (en) | 2015-11-19 | 2015-11-19 | Straight slit steel pipe seaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800561.4A CN105269233A (en) | 2015-11-19 | 2015-11-19 | Straight slit steel pipe seaming machine |
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| Publication Number | Publication Date |
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| CN105269233A true CN105269233A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510800561.4A Pending CN105269233A (en) | 2015-11-19 | 2015-11-19 | Straight slit steel pipe seaming machine |
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| CN (1) | CN105269233A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312294A (en) * | 2016-11-07 | 2017-01-11 | 中色（天津）特种材料有限公司 | Work fixture for water-cooled motor shell straight seam welding and straight seam welding process |
| CN107538159A (en) * | 2016-06-25 | 2018-01-05 | 浙江宁远塔桅制造有限公司 | A kind of steel pipe joint close is welding integrated |
| CN107803617A (en) * | 2017-11-07 | 2018-03-16 | 太原重工股份有限公司 | Seaming device and Prewelding machine |
| CN108188220A (en) * | 2017-12-27 | 2018-06-22 | 中国石油集团渤海石油装备制造有限公司 | Spiral steel pipe tune type auxiliary system and auxiliary shape adjusting method |
| CN108406143A (en) * | 2018-04-04 | 2018-08-17 | 大族激光科技产业集团股份有限公司 | A kind of flexibility pressing wheel mechanism and adaptive laser soldering device |
| CN108723789A (en) * | 2018-05-30 | 2018-11-02 | 芜湖同创模具机械有限公司 | A kind of anti-welding fluid convenient for loading and unloading prolongs the welded tube device of stream |
| CN108723713A (en) * | 2018-05-30 | 2018-11-02 | 芜湖同创模具机械有限公司 | A kind of anti-welding fluid prolongs the welded tube processing technology of stream Anti-dislocation |
| CN109290391A (en) * | 2018-11-27 | 2019-02-01 | 重庆天路电力设备有限公司 | A kind of steel pipe pole production line |
| CN110369871A (en) * | 2019-08-12 | 2019-10-25 | 湖南城市学院 | A kind of pipeline processing laser soldering device |
| CN110773849A (en) * | 2019-10-12 | 2020-02-11 | 河北省机电一体化中试基地 | Gantry type tower tube joint welding machine |
| CN111571108A (en) * | 2020-04-28 | 2020-08-25 | 马天锐 | Pipe welding equipment |
| CN112248474A (en) * | 2020-09-28 | 2021-01-22 | 刘迪 | Tool system for rapid alignment of PVC (polyvinyl chloride) pipe during welding |
| CN116618900A (en) * | 2023-06-07 | 2023-08-22 | 南通世睿机械科技有限公司 | Full-automatic welding equipment and welding method |
| CN116810235A (en) * | 2023-08-19 | 2023-09-29 | 天津源泰德润钢管制造集团有限公司 | Non-notch steel pipe welding equipment and welding process |
| CN117620478A (en) * | 2023-11-30 | 2024-03-01 | 钢一控股集团有限公司 | Welding table for large steel pipe |
-
2015
- 2015-11-19 CN CN201510800561.4A patent/CN105269233A/en active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538159A (en) * | 2016-06-25 | 2018-01-05 | 浙江宁远塔桅制造有限公司 | A kind of steel pipe joint close is welding integrated |
| CN106312294B (en) * | 2016-11-07 | 2018-08-28 | 中色（天津）特种材料有限公司 | Frock clamp for water cooling motor housing straight seam welding and straight seam welding technique |
| CN106312294A (en) * | 2016-11-07 | 2017-01-11 | 中色（天津）特种材料有限公司 | Work fixture for water-cooled motor shell straight seam welding and straight seam welding process |
| CN107803617A (en) * | 2017-11-07 | 2018-03-16 | 太原重工股份有限公司 | Seaming device and Prewelding machine |
| CN108188220B (en) * | 2017-12-27 | 2019-12-03 | 中国石油集团渤海石油装备制造有限公司 | Spiral steel pipe tune type auxiliary system and auxiliary shape adjusting method |
| CN108188220A (en) * | 2017-12-27 | 2018-06-22 | 中国石油集团渤海石油装备制造有限公司 | Spiral steel pipe tune type auxiliary system and auxiliary shape adjusting method |
| CN108406143A (en) * | 2018-04-04 | 2018-08-17 | 大族激光科技产业集团股份有限公司 | A kind of flexibility pressing wheel mechanism and adaptive laser soldering device |
| CN108723789A (en) * | 2018-05-30 | 2018-11-02 | 芜湖同创模具机械有限公司 | A kind of anti-welding fluid convenient for loading and unloading prolongs the welded tube device of stream |
| CN108723713A (en) * | 2018-05-30 | 2018-11-02 | 芜湖同创模具机械有限公司 | A kind of anti-welding fluid prolongs the welded tube processing technology of stream Anti-dislocation |
| CN109290391A (en) * | 2018-11-27 | 2019-02-01 | 重庆天路电力设备有限公司 | A kind of steel pipe pole production line |
| CN110369871A (en) * | 2019-08-12 | 2019-10-25 | 湖南城市学院 | A kind of pipeline processing laser soldering device |
| CN110773849A (en) * | 2019-10-12 | 2020-02-11 | 河北省机电一体化中试基地 | Gantry type tower tube joint welding machine |
| CN110773849B (en) * | 2019-10-12 | 2022-03-25 | 河北省机电一体化中试基地有限公司 | Gantry type tower tube joint welding machine |
| CN111571108A (en) * | 2020-04-28 | 2020-08-25 | 马天锐 | Pipe welding equipment |
| CN112248474A (en) * | 2020-09-28 | 2021-01-22 | 刘迪 | Tool system for rapid alignment of PVC (polyvinyl chloride) pipe during welding |
| CN116618900A (en) * | 2023-06-07 | 2023-08-22 | 南通世睿机械科技有限公司 | Full-automatic welding equipment and welding method |
| CN116618900B (en) * | 2023-06-07 | 2023-12-15 | 浙江格罗瑞实业股份有限公司 | Full-automatic welding equipment and welding method |
| CN116810235A (en) * | 2023-08-19 | 2023-09-29 | 天津源泰德润钢管制造集团有限公司 | Non-notch steel pipe welding equipment and welding process |
| CN117620478A (en) * | 2023-11-30 | 2024-03-01 | 钢一控股集团有限公司 | Welding table for large steel pipe |
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Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |