US3807017A - Hydraulic jig for correction of mis-alignment between joints of plates - Google Patents
Hydraulic jig for correction of mis-alignment between joints of plates Download PDFInfo
- Publication number
- US3807017A US3807017A US00227904A US22790472A US3807017A US 3807017 A US3807017 A US 3807017A US 00227904 A US00227904 A US 00227904A US 22790472 A US22790472 A US 22790472A US 3807017 A US3807017 A US 3807017A
- Authority
- US
- United States
- Prior art keywords
- plates
- jacks
- beams
- edge
- jig
- 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.)
- Expired - Lifetime
Links
Images
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
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
Definitions
- the present invention was made to overcome these defects described above, and provides a hydraulic jig for correction of mis-alignment between the joints of plates characterized in that two jig beams are provided so that the plates to be joined may be clamped from both sides thereof with hydraulic jacks and by utilizing a plurality of holes drilled in said plates whose joints are to be aligned; and a plurality of hydraulic jacks for pressing said plates against a plurality of backing straps attached to one of said jig beams so as to correct misalignment between the joints of said plates are mounted on the other jig beam.
- FIG. 1 is a top view of a jig of the present invention used for correction of mis-alignment between the joints;
- FIG. 2 is a front view thereof;
- FIG. 3 is a sectional view taken along the lines A-A of FIG. 1;
- FIG. 4 is a side view looking in the direction indicated by the arrows B of FIG. I; and
- FIG. 5 is a fragmentary transverse sectional view of a transverse frame in a vessel.
- the embodiment is for correcting mis-alignment between web plates 1 and l of transverse frame in a vessel as shown in FIG. 5.
- a frame 5 carries a pair of 6-ton hydraulic jacks 3 for clamping and one 2-ton hydraulic jack 4 for correction of mis-alignment.
- a plurality of such frames 5 similar in construction are spaced apart from each other on a beam 2 ofajig in the longitudinal direction thereof.
- a plurality of 2-ton hydraulic jacks 4 are also attached on the beam 2 in spaced apart relation.
- a backing pad or strap 7 for correction of misalignment is disposed in opposed relation with the hydraulic jack 4 mounted on the frame 5.
- Another jig beam 6 having a plurality of frames 8 disposed in opposed relation with the frames 5 on the jig beam 2 is provided.
- Holes 10, 75 80 mm in diameter are drilled in the web plate 1 at the positions at which the hydraulic jacks 3 are placed when the jig beam 2 with the construction described above is placed in front of the joint 12 of the web plate 1, so that the rods 1 1 of the hydraulic jacks 3 may extend through the holes 10 beyond the web plate 1 and be coupled to the frames 8 of the jig beam 6 with pins 9 as best shown in FIG. 3.
- the web plates 1 and l are sandwiched between the pair ofjig beams 2 and 6, and the mis-alignment in the joint 12 can be corrected with the hydraulic jacks 4 and the backing straps 7.
- the jig beam 2 is placed in front (bow of fore) of the joint 12 between the web plates 1, whereas the jig beam 6 is placed on the back (stem or aft) side of the joint by using suitable lifts.
- the rods of the hydraulic jacks 3 on the jig beam 2 are extended through the holes 10 in the web plates 1 and connected to the frames 8 of the jig beam 6 with the pins 9 as best shown in FIGS. 1 and 3.
- the jig beams 2 and 6 are coupled to each other with the web plates 1 sandwiched therebetween.
- the present invention has been described as being applied to the web plates of the transverse frame in a vessel, but it should be understood that the jig of the present invention may be also applied to web plates used in the structures other than vessels. Various modifications and variations of the jig device can be effected without departing from the scope of the present invention.
- the joints between flat plates are clamped by a plurality of hydraulic jacks utilizing a plurality of holes drilled in the plates in the manner described above, and the mis-alignment between the joints can be corrected with a plurality of other hydraulic jacks and the backing straps.
- the correctionof misalignment can be accomplished in a simple manner, and the need of a large quantity of mis-alignment correction pieces can be eliminated.
- the operation can be accomplished within a short time in a very efficient and simple manner.
- Ajig for aligning a pair of plates edge to edge prior to welding comprising: two elongate jig beams between which a margin of one of said plates may be held with an edge projecting, and a plurality of hydraulic jacks, some of said jacks being arranged in pairs and arranged to hold the beam together and the remaining jacks being spaced along one of said beams and acting against backing pads equivalently spaced along the other beam to grip, and adjust the position of, the margin of the other of said plates whereby the plates may be brought edge to edge for welding, a plurality of frames spaced along the beams, each frame possessing a first portion attached to one beam and a second portion attached to the other beam; each frame holding one of said pairs of jacks with the body of each jack on one frame portion and the jack rod of each jack on the other frame portion, whereby the rods can be passed through correspondingly spaced holes in the margins of the respective plates and upon contraction the jacks move the beams together.
- a jig for aligning a pair of plates edge to edge prior to welding comprising: two elongate jig beams between which a margin of one of said plates may be held with an edge projecting, and a plurality of hydraulic jacks, some of said jacks being arranged in pairs and arranged to hold the beams together and the remaining jacks being spaced along one of said beams and acting against backing pads equivalently spaced along the other beam to grip, and adjust the position of, the marother frame portion, whereby the rods can be passed through correspondingly spaced holes in the margins of the respective plates and uponcontraction the jacks move the beams together wherein some of said remaining jacks and their backing pads are arranged on said frames.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jigs For Machine Tools (AREA)
- Clamps And Clips (AREA)
- Arc Welding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1971010803U JPS5028179Y2 (es) | 1971-02-23 | 1971-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3807017A true US3807017A (en) | 1974-04-30 |
Family
ID=11760483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00227904A Expired - Lifetime US3807017A (en) | 1971-02-23 | 1972-02-22 | Hydraulic jig for correction of mis-alignment between joints of plates |
Country Status (10)
Country | Link |
---|---|
US (1) | US3807017A (es) |
JP (1) | JPS5028179Y2 (es) |
BR (1) | BR7200998D0 (es) |
DE (1) | DE2208222C3 (es) |
ES (1) | ES400015A1 (es) |
FR (1) | FR2126363B1 (es) |
GB (1) | GB1388413A (es) |
IT (1) | IT947796B (es) |
NL (1) | NL146415B (es) |
SE (1) | SE378541B (es) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899163A (en) * | 1973-08-27 | 1975-08-12 | Mitsui Shipbuilding Eng | Welding jig for deck longitudinals |
US5832582A (en) * | 1994-01-08 | 1998-11-10 | Future Alignments Limited Of Anderson House | Apparatus for aligning two members |
US6327763B2 (en) | 1996-08-07 | 2001-12-11 | Future Alignments Ltd. | Alignment tool |
US20030057624A1 (en) * | 2001-07-03 | 2003-03-27 | Taylor Palmer | Pneumatic face frame clamping apparatus |
US20120005885A1 (en) * | 2010-07-09 | 2012-01-12 | Oorja Protonics Inc. | Apparatus and method for stacking fuel cells |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5427381Y2 (es) * | 1975-03-14 | 1979-09-06 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1604483A (en) * | 1923-03-08 | 1926-10-26 | Roberts Robert | Assembly and welding of plated structures |
US3421677A (en) * | 1966-08-02 | 1969-01-14 | Reynolds Metals Co | Apparatus for joining metal products |
US3647131A (en) * | 1969-03-06 | 1972-03-07 | Messer Griesheim Gmbh | Apparatus for arranging parallel the edges of steel sheets to be welded |
-
1971
- 1971-02-23 JP JP1971010803U patent/JPS5028179Y2/ja not_active Expired
-
1972
- 1972-02-18 SE SE7201997A patent/SE378541B/xx unknown
- 1972-02-21 ES ES400015A patent/ES400015A1/es not_active Expired
- 1972-02-22 NL NL727202301A patent/NL146415B/xx unknown
- 1972-02-22 DE DE2208222A patent/DE2208222C3/de not_active Expired
- 1972-02-22 US US00227904A patent/US3807017A/en not_active Expired - Lifetime
- 1972-02-22 IT IT20881/72A patent/IT947796B/it active
- 1972-02-23 GB GB832872A patent/GB1388413A/en not_active Expired
- 1972-02-23 FR FR7206142A patent/FR2126363B1/fr not_active Expired
- 1972-02-23 BR BR998/72A patent/BR7200998D0/pt unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1604483A (en) * | 1923-03-08 | 1926-10-26 | Roberts Robert | Assembly and welding of plated structures |
US3421677A (en) * | 1966-08-02 | 1969-01-14 | Reynolds Metals Co | Apparatus for joining metal products |
US3647131A (en) * | 1969-03-06 | 1972-03-07 | Messer Griesheim Gmbh | Apparatus for arranging parallel the edges of steel sheets to be welded |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899163A (en) * | 1973-08-27 | 1975-08-12 | Mitsui Shipbuilding Eng | Welding jig for deck longitudinals |
US5832582A (en) * | 1994-01-08 | 1998-11-10 | Future Alignments Limited Of Anderson House | Apparatus for aligning two members |
US6327763B2 (en) | 1996-08-07 | 2001-12-11 | Future Alignments Ltd. | Alignment tool |
US6513216B2 (en) | 1996-08-07 | 2003-02-04 | Future Alignments Limited | Alignment tool |
US20030057624A1 (en) * | 2001-07-03 | 2003-03-27 | Taylor Palmer | Pneumatic face frame clamping apparatus |
US7007939B2 (en) | 2001-07-03 | 2006-03-07 | Taylor Palmer | Pneumatic face frame clamping apparatus |
US20120005885A1 (en) * | 2010-07-09 | 2012-01-12 | Oorja Protonics Inc. | Apparatus and method for stacking fuel cells |
US8722275B2 (en) * | 2010-07-09 | 2014-05-13 | Oorja Protonics Inc. | Apparatus comprising assembly jig and method for stacking fuel cells |
Also Published As
Publication number | Publication date |
---|---|
DE2208222B2 (de) | 1973-05-24 |
SE378541B (es) | 1975-09-08 |
BR7200998D0 (pt) | 1973-05-31 |
FR2126363B1 (es) | 1974-08-30 |
GB1388413A (en) | 1975-03-26 |
NL146415B (nl) | 1975-07-15 |
FR2126363A1 (es) | 1972-10-06 |
JPS477415U (es) | 1972-09-27 |
JPS5028179Y2 (es) | 1975-08-20 |
ES400015A1 (es) | 1975-06-16 |
DE2208222A1 (de) | 1972-09-07 |
NL7202301A (es) | 1972-08-25 |
IT947796B (it) | 1973-05-30 |
DE2208222C3 (de) | 1973-12-13 |
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