CN1490097A - Production of steel pipes with straight central seaming and primary shaping, final shaping and welder - Google Patents

Production of steel pipes with straight central seaming and primary shaping, final shaping and welder Download PDF

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Publication number
CN1490097A
CN1490097A CNA021331812A CN02133181A CN1490097A CN 1490097 A CN1490097 A CN 1490097A CN A021331812 A CNA021331812 A CN A021331812A CN 02133181 A CN02133181 A CN 02133181A CN 1490097 A CN1490097 A CN 1490097A
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Prior art keywords
roller
contained
frame
leading screw
roll
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CNA021331812A
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Chinese (zh)
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CN1209206C (en
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赵春友
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赵春友
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Priority to CN 02133181 priority Critical patent/CN1209206C/en
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Publication of CN1209206C publication Critical patent/CN1209206C/en
Expired - Fee Related legal-status Critical Current
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Abstract

A technology for manufacturing the steel tube with central straight seam with primary and fine shapers and welder includes such steps as bending raw steel plate downward, closing, external welding and internal welding by hidden arc welding. Its apparatus is composed of primary shaping machine, fine shaping machine and welder. Its advantages are high quality of product and low cost.

Description

The production method of middle steel pipes with straight and pre-profiling, precisive shaped, welder
Technical field: the production method and the employed equipment that the present invention relates to a kind of middle steel pipes with straight.
Background technology: steel pipes with straight steel plate when pre-profiling and precisive shaped all is bent upwards in producing at present, heal up and be welded on top (pipe top), be bent upwards the submerged arc welding of only suitable high-frequency welding and single face, weldering submerged arc welding in can't carrying out after rolling off the production line for the little steel pipe of caliber is so can't guarantee welding quality.
Summary of the invention: the objective of the invention is to study a kind of when pre-profiling and precisive shaped steel plate be bent downwardly, heal up and be welded on bottom's (at the bottom of pipe), can adopt the production method of middle steel pipes with straight of submerged-arc welding welding and employed pre-profiling, precisive shaped, welder to weldering in the little steel pipe of caliber.
The object of the present invention is achieved like this: the technological process of steel pipes with straight is in the production: uncoiling, fishplate bar, the plate flaw detection, two roller feedings, pre-profiling, precisive shaped, interior weldering, ultrasonic examination, flying shear, outside weld, aligning, sizing, tack, the water pressure test, X-ray examination, appearance and dimension check, we make steel plate be bent downwardly in pre-profiling and precisive shaped stage, heal up and be welded on bottom's (at the bottom of pipe), the submerged-arc welding welding is adopted in interior weldering welding, the on-line continuous welding, outside weld is welding after steel pipe rolls off the production line, steel pipe is fixed on the welding tractor that has rack gear arrangement by hydraulic means, by automatic speed regulation, monofilament, mariages or three wire bonds connect.
Pre-profiling of the present invention, precisive shaped and welder comprise roller of pre-profiling, two rollers of pre-profiling, three rollers of pre-profiling, four rollers of pre-profiling, roller of precisive shaped, two rollers of precisive shaped, three rollers of precisive shaped, Turkey's roller and welder, wherein roller of pre-profiling comprises frame 1, reduction box 2 is contained on the frame, last cambering roll 3 is contained on the frame by roll shaft 4, following cambering roll 5 is contained on the frame by roll shaft 4, there is screw to cooperate in the reduction box with leading screw 6, roll shaft is contained on the slide block by bearing, and slide block is connected with leading screw; Two rollers of pre-profiling comprise column 7, motor reducer 8 is contained on the column, and motor reducer bottom is connected with leading screw 9, and leading screw is contained in the column, suspended wall 10 is contained on the slideway of column by press strip, nut seat is arranged on the suspended wall, and the screw in the nut seat matches with leading screw, and compression roller 12 is housed on the suspended wall, last compression roller is contained on the suspended wall by press strip and roller fork, roller seat body, roller seat, following compression roller 13 is arranged below last compression roller, and following compression roller is contained on the roller frame 14, and the roller frame is fixed on the ground; Two roll structures of three rollers of pre-profiling and pre-profiling are identical, just arrange size to change to some extent according to moulding process; Four rollers of pre-profiling comprise column 15, leading screw 16 is housed on the column, crossbeam 17 cooperates with leading screw by the screw in the beam, last compression roller 18 is contained on the slideway of crossbeam by press strip and roller fork, roller seat body, roller seat, compression roller 19 is set in centre below compression roller on left and right two, following compression roller is contained on the roller frame 20, and the roller frame is fixed on the ground; Roller of precisive shaped comprises frame 21, reduction box 22 is arranged on the frame, top roll 24 and lower roll 26 are contained in respectively on the axle 25, have screw to match with leading screw 23 in the reduction box, axle 25 is contained on the slide block by bearing, and slide block is contained on the frame and with leading screw and is connected, lower roll 26 is made up of left and right two parts symmetrical, the centre has every bit slice 27, and the upper and lower axle 25 of roller of precisive shaped all is connected with decelerator 29 by shaft joint 28, and decelerator links to each other with motor 30 by shaft joint; Two rollers of precisive shaped comprise frame 21, reduction box 22 is arranged on the frame, top roll 24 and lower roll 26 are contained in respectively on the axle 25, there is screw to match in the reduction box with leading screw 23, axle 25 is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, and lower roll 26 is made up of left and right two parts symmetrical, and the centre has every bit slice 27; Two rollers of three roll structures of precisive shaped and precisive shaped are identical, just arrange size to change to some extent according to moulding process;
Turkey's roller comprises frame 31, and roller 32 is contained on the frame by roller seat 33 and press strip, and nut seat 34 is housed on the frame, and screw is arranged in the nut seat, and nut seat links to each other with roller seat by screw and leading screw 35;
Welder is a welding tractor, comprises vehicle frame 36, wheel 37, tooth bar 38 is housed below the vehicle frame, and clamp device 39 and whirligig 40 (these two devices all are prior aries) are housed on the vehicle frame.Ground fixed gear 40 during use below welding tractor, this gear links to each other with motor (motor and decelerator are also on the ground) by motor reducer, and we match the tooth bar on the welding tractor and just can work with gear on the ground.
Advantage of the present invention is that device structure is reasonable, and cost is low, and is high in technological content, is the best method that solves weldering employing submerged-arc welding welding in the steel pipe of tubule footpath, and welding quality is good, and product quality can reach U.S. API-5L standard or GB/T9711.2-1999 standard.
Description of drawings:
Fig. 1 is a roller partial cutaway of a pre-profiling of the present invention schematic diagram;
Fig. 2 is two roller partial cutaway of pre-profiling of the present invention schematic diagram;
Fig. 3 is three roller partial cutaway of pre-profiling of the present invention schematic diagram;
Fig. 4 is the schematic diagram of four rollers of pre-profiling of the present invention;
Fig. 5 is a roller partial cutaway of a precisive shaped of the present invention schematic diagram;
Fig. 6 is two roller partial cutaway of precisive shaped of the present invention schematic diagram;
Fig. 7 is three roller partial cutaway of precisive shaped of the present invention schematic diagram;
Fig. 8 is a Turkey of the present invention roller schematic diagram;
Fig. 9 is a welding tractor partial cutaway schematic diagram of the present invention;
Figure 10 is the section enlarged diagram that the tooth bar on the welding tractor cooperates with ground gear.
The specific embodiment:
The concrete technological process of steel pipes with straight was during we produced: uncoiling, fishplate bar, the plate flaw detection, two roller feedings, pre-profiling, precisive shaped, interior weldering, ultrasonic examination, flying shear, outside weld, aligning, sizing, tack, the water pressure test, X-ray examination, appearance and dimension check, we make steel plate be bent downwardly in pre-profiling and precisive shaped stage, heal up and be welded on bottom's (at the bottom of pipe), the submerged-arc welding welding is adopted in interior weldering welding, the on-line continuous welding, outside weld is welding after steel pipe rolls off the production line, steel pipe is fixed on the welding tractor that has rack gear arrangement by hydraulic means, by automatic speed regulation, monofilament, mariages or three wire bonds connect.
Pre-profiling of the present invention, precisive shaped and welder comprise roller of pre-profiling, two rollers of pre-profiling, three rollers of pre-profiling, four rollers of pre-profiling, roller of precisive shaped, two rollers of precisive shaped, three rollers of precisive shaped, Turkey's roller and welder, wherein a roller of pre-profiling (with reference to Fig. 1) comprises frame 1, reduction box 2 is contained on the frame, last cambering roll 3 is contained on the frame by roll shaft 4, following cambering roll 5 is contained on the frame by roll shaft 4, there is screw to cooperate in the reduction box with leading screw 6, roll shaft is contained on the slide block by bearing, and slide block is connected with leading screw; Two rollers of pre-profiling (with reference to Fig. 2) comprise column 7, motor reducer 8 is contained on the column, motor reducer bottom is connected with leading screw 9, leading screw is contained in the column, suspended wall 10 is contained on the slideway of column by press strip, nut seat is arranged on the suspended wall, screw in the nut seat matches with leading screw, compression roller 12 is housed on the suspended wall, last compression roller is contained on the suspended wall by press strip and roller fork, roller seat body, roller seat, following compression roller 13 is arranged below last compression roller, and following compression roller is contained on the roller frame 14, and the roller frame is fixed on the ground; Three rollers of pre-profiling (with reference to Fig. 3) comprise column 7, motor reducer 8 is contained on the column, motor reducer bottom is connected with leading screw 9, leading screw is contained in the column, suspended wall 10 is contained on the slideway of column by press strip, nut seat is arranged on the suspended wall, screw in the nut seat matches with leading screw, compression roller 12 is housed on the suspended wall, last compression roller is contained on the suspended wall by press strip and roller fork, roller seat body, roller seat, following compression roller 13 is arranged below last compression roller, and following compression roller is contained on the roller frame 14, and the roller frame is fixed on the ground; Four rollers of pre-profiling (with reference to Fig. 4) comprise column 15, leading screw 16 is housed on the column, crossbeam 17 cooperates with leading screw by the screw in the beam, last compression roller 18 is contained on the slideway of crossbeam by press strip and roller fork, roller seat body, roller seat, compression roller 19 is set in centre below compression roller on left and right two, following compression roller is contained on the roller frame 20, and the roller frame is fixed on the ground; A roller of precisive shaped (with reference to Fig. 5) comprises frame 21, reduction box 22 is arranged on the frame, top roll 24 and lower roll 26 are contained in respectively on the axle 25, have screw to match with leading screw 23 in the reduction box, axle 25 is contained on the slide block by bearing, and slide block is contained on the frame and with leading screw and is connected, lower roll 26 is made up of left and right two parts symmetrical, the centre has every bit slice 27, and the upper and lower axle 25 of roller of precisive shaped all is connected with decelerator 29 by shaft joint 28, and decelerator links to each other with motor 30 by shaft joint; Two rollers of precisive shaped (with reference to Fig. 6) comprise frame 21, reduction box 22 is arranged on the frame, top roll 24 and lower roll 26 are contained in respectively on the axle 25, there is screw to match in the reduction box with leading screw 23, axle 25 is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, and lower roll 26 is made up of left and right two parts symmetrical, and the centre has every bit slice 27; Three rollers of precisive shaped (with reference to Fig. 7) comprise frame 21, reduction box 22 is arranged on the frame, top roll 24 and lower roll 26 are contained in respectively on the axle 25, there is screw to match in the reduction box with leading screw 23, axle 25 is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, and lower roll 26 is made up of left and right two parts symmetrical, and the centre has every bit slice 27;
Turkey's roller (with reference to Fig. 8) comprises frame 31, and roller 32 is contained on the frame by roller seat 33 and press strip, and nut seat 34 is housed on the frame, and screw is arranged in the nut seat, and nut seat links to each other with roller seat by screw and leading screw 35;
Welder is that welding tractor (with reference to Fig. 9,10) comprises vehicle frame 36, wheel 37, tooth bar 38 is housed below the vehicle frame, and clamp device 39 and whirligig 40 are housed on the vehicle frame.

Claims (2)

1, the production method of middle steel pipes with straight, comprise uncoiling, fishplate bar, the plate flaw detection, two roller feedings, pre-profiling, precisive shaped, interior weldering, ultrasonic examination, flying shear, outside weld, aligning, sizing, tack, the water pressure test, X-ray examination, appearance and dimension check, it is characterized in that making steel plate be bent downwardly in pre-profiling and precisive shaped stage, heal up and be welded on bottom, the submerged-arc welding welding is adopted in interior weldering welding, the on-line continuous welding, outside weld is welding after steel pipe rolls off the production line, steel pipe is fixed on the welding tractor that has rack gear arrangement by hydraulic means, by automatic speed regulation, monofilament, mariages or three wire bonds connect.
2, the pre-profiling that middle steel pipes with straight production is used, precisive shaped and welder, comprise roller of pre-profiling, two rollers of pre-profiling, three rollers of pre-profiling, four rollers of pre-profiling, roller of precisive shaped, two rollers of precisive shaped, three rollers of precisive shaped, Turkey's roller and welder, it is characterized in that roller of pre-profiling comprises frame (1), reduction box (2) is contained on the frame, last cambering roll (3) is contained on the frame by roll shaft (4), following cambering roll (5) is contained on the frame by roll shaft (4), there is screw to cooperate in the reduction box with leading screw (6), roll shaft is contained on the slide block by bearing, and slide block is connected with leading screw; Two rollers of pre-profiling comprise column (7), motor reducer (8) is contained on the column, motor reducer bottom has been connected with leading screw (9), leading screw is contained in the column, suspended wall (10) is contained on the slideway of column by press strip, nut seat is arranged on the suspended wall, screw in the nut seat matches with leading screw, compression roller (12) is housed on the suspended wall, last compression roller is contained on the suspended wall by press strip and roller fork, roller seat body, roller seat, following compression roller (13) is arranged below last compression roller, and following compression roller is contained on the roller frame (14), and the roller frame is fixed on the ground; Three rollers of pre-profiling comprise column (7), motor reducer (8) is contained on the column, motor reducer bottom is connected with leading screw (9), leading screw is contained in the column, suspended wall (10) is contained on the slideway of column by press strip, nut seat is arranged on the suspended wall, screw in the nut seat matches with leading screw, compression roller (12) is housed on the suspended wall, last compression roller is contained on the suspended wall by press strip and roller fork, roller seat body, roller seat, following compression roller (13) is arranged below last compression roller, and following compression roller is contained on the roller frame (14), and the roller frame is fixed on the ground; Four rollers of pre-profiling comprise column (15), leading screw (16) is housed on the column, crossbeam (17) cooperates with leading screw by the screw in the beam, last compression roller (18) is contained on the slideway of crossbeam by press strip and roller fork, roller seat body, roller seat, compression roller (19) is set in centre below compression roller on left and right two, following compression roller is contained on the roller frame (20), and the roller frame is fixed on the ground; Roller of precisive shaped comprises frame (21), reduction box (22) is arranged on the frame, top roll (24) and lower roll (26) are contained in respectively on the axle (25), there is screw to match in the reduction box with leading screw (23), axle (25) is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, lower roll (26) is made up of left and right two parts symmetrical, the centre has every bit slice (27), the upper and lower axle of roller of precisive shaped (25) all is connected with decelerator (29) by shaft joint (28), and decelerator links to each other with motor (30) by shaft joint; Two rollers of precisive shaped comprise frame (21), reduction box (22) is arranged on the frame, top roll (24) and lower roll (26) are contained in respectively on the axle (25), there is screw to match in the reduction box with leading screw (23), axle (25) is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, and lower roll (26) is made up of left and right two parts symmetrical, and the centre has every bit slice (27); Three rollers of precisive shaped comprise frame (21), reduction box (22) is arranged on the frame, top roll (24) and lower roll (26) are contained in respectively on the axle (25), there is screw to match in the reduction box with leading screw (23), axle (25) is contained on the slide block by bearing, slide block is contained on the frame and with leading screw and is connected, and lower roll (26) is made up of left and right two parts symmetrical, and the centre has every bit slice (27);
Turkey's roller comprises frame (31), and roller (32) is contained on the frame by roller seat (33) and press strip, and nut seat (34) is housed on the frame, and screw is arranged in the nut seat, and nut seat links to each other with roller seat by screw and leading screw (35);
Welder is a welding tractor, comprises vehicle frame (36), wheel (37), tooth bar (38) is housed below the vehicle frame, and clamp device (39) and whirligig (40) are housed on the vehicle frame.
CN 02133181 2002-10-15 2002-10-15 Production of steel pipes with straight central seaming and primary shaping, final shaping and welder Expired - Fee Related CN1209206C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02133181 CN1209206C (en) 2002-10-15 2002-10-15 Production of steel pipes with straight central seaming and primary shaping, final shaping and welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02133181 CN1209206C (en) 2002-10-15 2002-10-15 Production of steel pipes with straight central seaming and primary shaping, final shaping and welder

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CN1209206C CN1209206C (en) 2005-07-06

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008037145A1 (en) * 2006-09-26 2008-04-03 Yongli Li A manufacture method of high precision seamless steel pipes
CN100400226C (en) * 2005-05-18 2008-07-09 上海申花钢管有限公司 Method for manufacturing high-strength structured steel pipe
CN100404156C (en) * 2006-04-26 2008-07-23 大连三高重工设备有限公司 Circular tube open hollow-bending shaping machine set
CN100515658C (en) * 2007-12-29 2009-07-22 番禺珠江钢管有限公司 Large straight-line joint submerged arc welding tube fast production process
CN102294535A (en) * 2011-08-02 2011-12-28 太原华科信冶金成套设备有限公司 Straight slit submerged-arc welded pipe on-line inside welding method
CN102310119A (en) * 2011-09-02 2012-01-11 中国石油集团渤海石油装备制造有限公司 Manufacturing method of X65 pipeline steel longitudinal submerged arc welded pipe for undersea use
CN101844163B (en) * 2009-03-27 2012-02-08 赵春友 Machine set for producing medium-caliber straight-seam double-sided submerged-arc welding steel pipe and forming method of steel pipe
CN101797600B (en) * 2010-02-23 2012-05-23 华油钢管有限公司 Method for manufacturing high-strength X100 steel grade spiral seam submerged arc welded pipe
CN103394546A (en) * 2013-08-21 2013-11-20 武汉钢铁(集团)公司 Production method for longitudinal welded pipe
CN103495669A (en) * 2013-10-13 2014-01-08 浙江金洲管道科技股份有限公司 Modified structure of welding pipe squeezing roller seat
CN103722347A (en) * 2013-12-26 2014-04-16 太原华欣诚机电设备有限公司 Magnesium aluminum alloy spiral welded pipe production unit
CN110038930A (en) * 2019-05-09 2019-07-23 潘克云 The thick moulding process of the steel band of ERW welded tube

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100400226C (en) * 2005-05-18 2008-07-09 上海申花钢管有限公司 Method for manufacturing high-strength structured steel pipe
CN100404156C (en) * 2006-04-26 2008-07-23 大连三高重工设备有限公司 Circular tube open hollow-bending shaping machine set
WO2008037145A1 (en) * 2006-09-26 2008-04-03 Yongli Li A manufacture method of high precision seamless steel pipes
CN100515658C (en) * 2007-12-29 2009-07-22 番禺珠江钢管有限公司 Large straight-line joint submerged arc welding tube fast production process
CN101844163B (en) * 2009-03-27 2012-02-08 赵春友 Machine set for producing medium-caliber straight-seam double-sided submerged-arc welding steel pipe and forming method of steel pipe
CN101797600B (en) * 2010-02-23 2012-05-23 华油钢管有限公司 Method for manufacturing high-strength X100 steel grade spiral seam submerged arc welded pipe
CN102294535A (en) * 2011-08-02 2011-12-28 太原华科信冶金成套设备有限公司 Straight slit submerged-arc welded pipe on-line inside welding method
CN102310119A (en) * 2011-09-02 2012-01-11 中国石油集团渤海石油装备制造有限公司 Manufacturing method of X65 pipeline steel longitudinal submerged arc welded pipe for undersea use
CN103394546B (en) * 2013-08-21 2015-06-03 武汉钢铁(集团)公司 Production method for longitudinal welded pipe
CN103394546A (en) * 2013-08-21 2013-11-20 武汉钢铁(集团)公司 Production method for longitudinal welded pipe
CN103495669A (en) * 2013-10-13 2014-01-08 浙江金洲管道科技股份有限公司 Modified structure of welding pipe squeezing roller seat
CN103495669B (en) * 2013-10-13 2015-09-16 浙江金洲管道科技股份有限公司 A kind of modified node method of welded tube extruding roller seat
CN103722347A (en) * 2013-12-26 2014-04-16 太原华欣诚机电设备有限公司 Magnesium aluminum alloy spiral welded pipe production unit
CN103722347B (en) * 2013-12-26 2016-08-17 太原华欣诚机电设备有限公司 Magnesium aluminum alloy spiral welded pipe production unit
CN110038930A (en) * 2019-05-09 2019-07-23 潘克云 The thick moulding process of the steel band of ERW welded tube
CN110038930B (en) * 2019-05-09 2020-07-28 潘克云 Steel belt rough forming process of ERW welded pipe

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