JPS55120498A - Circumferential weld backing device - Google Patents

Circumferential weld backing device

Info

Publication number
JPS55120498A
JPS55120498A JP2590279A JP2590279A JPS55120498A JP S55120498 A JPS55120498 A JP S55120498A JP 2590279 A JP2590279 A JP 2590279A JP 2590279 A JP2590279 A JP 2590279A JP S55120498 A JPS55120498 A JP S55120498A
Authority
JP
Japan
Prior art keywords
welding
bars
spindle
casing
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2590279A
Other languages
Japanese (ja)
Inventor
Takafumi Fukuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP2590279A priority Critical patent/JPS55120498A/en
Publication of JPS55120498A publication Critical patent/JPS55120498A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

PURPOSE:To achieve the evenness of the penetration bead heights of circumferential welding and the automation of welding by so arranging the device that a plurality of swing bars protrusively provided in the radial direction of the spindle may rise and fall in the spindle direction and providing turnable backing rollers to the ends of the bars. CONSTITUTION:The temporally assembled casing A is placed on turning rollers D and a wire 10 is wound on a drum 33 by a winder 2 to bring down swing bars 6, 38 and put a wheel type backing strip 7 to the diameter permitting insertion of jigs. The revolution of the drum 33 is then stopped by a set pin 34. A spindle 8 is inserted into the casing A and its push shaft 48 side is brought up. When the pin 34 is removed and the wire 10 is gradually loosened, the bars 6, 38 are reset to the original positions by a spring 51. Upon lowering of the tension of the wires 11, 12, the push shaft 48 is pushed by the push spring and let the backing strip 7 contact the bottom surface of the weld groove. The casing A is revolved by the revolution of the rollers D and welding is started. A welding torch is put right above the groove. The weld metal is restrained in the groove of the backing strip 7 and forms even penetration beads over the entire circumference.
JP2590279A 1979-03-06 1979-03-06 Circumferential weld backing device Pending JPS55120498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2590279A JPS55120498A (en) 1979-03-06 1979-03-06 Circumferential weld backing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2590279A JPS55120498A (en) 1979-03-06 1979-03-06 Circumferential weld backing device

Publications (1)

Publication Number Publication Date
JPS55120498A true JPS55120498A (en) 1980-09-16

Family

ID=12178710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2590279A Pending JPS55120498A (en) 1979-03-06 1979-03-06 Circumferential weld backing device

Country Status (1)

Country Link
JP (1) JPS55120498A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586605A (en) * 2013-11-12 2014-02-19 南车资阳机车有限公司 Special welding machine for locomotive traction bar
CN107984066A (en) * 2017-11-30 2018-05-04 中国航发沈阳黎明航空发动机有限责任公司 A kind of two-side synchronous tension mechanism for argon arc welding circular weld
CN109865976A (en) * 2019-03-20 2019-06-11 襄阳豪聪机电有限公司 A kind of adjustable welding clamp
CN111958153A (en) * 2020-07-27 2020-11-20 安徽安旺门业股份有限公司 Portable steel fireproof door welding equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586605A (en) * 2013-11-12 2014-02-19 南车资阳机车有限公司 Special welding machine for locomotive traction bar
CN107984066A (en) * 2017-11-30 2018-05-04 中国航发沈阳黎明航空发动机有限责任公司 A kind of two-side synchronous tension mechanism for argon arc welding circular weld
CN107984066B (en) * 2017-11-30 2020-03-31 中国航发沈阳黎明航空发动机有限责任公司 Double-side synchronous tensioning mechanism for argon arc welding circular weld joint
CN109865976A (en) * 2019-03-20 2019-06-11 襄阳豪聪机电有限公司 A kind of adjustable welding clamp
CN111958153A (en) * 2020-07-27 2020-11-20 安徽安旺门业股份有限公司 Portable steel fireproof door welding equipment
CN111958153B (en) * 2020-07-27 2022-05-17 安徽安旺门业股份有限公司 Portable steel fireproof door welding equipment

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