CN104475994A - Method for manufacturing slab rib units - Google Patents

Method for manufacturing slab rib units Download PDF

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Publication number
CN104475994A
CN104475994A CN201410609316.0A CN201410609316A CN104475994A CN 104475994 A CN104475994 A CN 104475994A CN 201410609316 A CN201410609316 A CN 201410609316A CN 104475994 A CN104475994 A CN 104475994A
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CN
China
Prior art keywords
slab
rib
welding
described rib
assembling
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
CN201410609316.0A
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Chinese (zh)
Inventor
代国文
阮家顺
陈望民
易文林
余志强
徐俊杰
郭萍萍
张新河
王磊
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.)
Wuchuan Heavy Engineering Co Ltd
Original Assignee
Wuchuan Heavy Engineering Co 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 Wuchuan Heavy Engineering Co Ltd filed Critical Wuchuan Heavy Engineering Co Ltd
Priority to CN201410609316.0A priority Critical patent/CN104475994A/en
Publication of CN104475994A publication Critical patent/CN104475994A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0408Auxiliary 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

Abstract

The invention discloses a method for manufacturing slab rib units; the method comprises the following steps: presetting a base plate on an assembling jig frame; positioning the base plate on the assembling jig frame; and assembling the slab rib after positioning; in the process of assembling the slab rib, a downhand bilateral synchronized symmetric welding method is used for welding the positioning angle welding line of the slab rib until the assembling of the slab rib is finished; after finished assembling the slab rib, a downhand bilateral double solder symmetric welding method is used for welding the slab rib unit angle welding line.

Description

A kind of unary method of manufacture rib of slab
Technical field
The present invention relates to bridge structure and manufacture field, particularly relate to a kind of unary method of manufacture rib of slab.
Background technology
Existing rib of slab unit piece is the important component part of steel bridge, because rib of slab unit piece version is comparatively regular, usually in special production area, adopt jig frame special carry out batch micro operations, and traditional steel bridge rib of slab unit piece manufacturing technology: adopt hand assembled to position in assembly section steel plate and vertical rib, then along rib of slab length direction, adopt compression limit, limit tack welding to fix, until the assembling of rib of slab unit is complete, tack weld adopts manual welding; After treating the assembling of rib of slab unit, be transferred to the welding that weld zone carries out formal weld seam, this formal weld seam adopts the welding of fillet welding dolly at prosposition or accommodation, due to the impact by welding post, first can only weld side, then weld opposite side.
In the unary manufacturing process of existing rib of slab when positioning weldering, due to employing is manual welding, by the impact of welding post, the Slab element region of synchronous assembling uses asynchronous tracking weldering, thus the weldering of rib of slab unit piece assembling and positioning may produce uneven stress, and when formal weld seam, adopt the welding of fillet welding dolly at prosposition or accommodation, first can only weld side, weld opposite side again, and then affect the unary perpendicularity of described rib of slab, the unary deflection of postwelding rib of slab is increased, make the rib of slab unit piece that the unary manufacturing process of existing rib of slab produces, there is Stress non-homogeneity, the problem that deflection is large.
Summary of the invention
The invention provides and a kind of manufacture the unary method of rib of slab, make the unary stress of rib of slab that produces evenly, deflection is minimized.
The embodiment of the present application provides a kind of unary method of manufacture rib of slab, comprising:
Base plate is preset on assembling moulding bed, and carries out base plate location on described assembling moulding bed; And
After the positioning, described rib of slab is assembled;
In the described rib of slab process of assembling, the welding method of prosposition two-side synchronous symmetry is adopted to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled;
After described rib of slab has assembled, the welding method of prosposition bilateral mariages symmetry has been adopted to weld described rib of slab Slab element angle welding.
Optionally, the described base plate to described assembling moulding bed positions, and specifically comprises:
Positioned by the base plate of compression mode to described assembling moulding bed.
Optionally, described in the described rib of slab process of assembling, adopt the welding method of prosposition two-side synchronous symmetry to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled, specifically comprise:
In the described rib of slab process of assembling, by the double-side angular weld seam of rib of slab described in automatic apparatus for tack-welding synchronous welding, until described rib of slab has assembled.
Optionally, described after described rib of slab has assembled, adopt prosposition bilateral mariages to be symmetrically welded method and weld described rib of slab Slab element angle welding, specifically comprise:
After described rib of slab has assembled, according to groove parameter and the welding parameter of described rib of slab unit, the contraposition of adjustment welding wire, after welding wire contraposition has adjusted, has adopted prosposition bilateral mariages to be symmetrically welded method and has welded described rib of slab Slab element angle welding.
Beneficial effect of the present invention is as follows:
Based on technique scheme, in the embodiment of the present invention, base plate is preset on assembling moulding bed, and carries out base plate location on described assembling moulding bed, and after the positioning, assemble described rib of slab, in the described rib of slab process of assembling, the welding method of prosposition two-side synchronous symmetry is adopted to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled, after described rib of slab has assembled, adopt prosposition bilateral mariages to be symmetrically welded method and weld described rib of slab Slab element angle welding, due to the double-side angular weld seam adopting synchronous welding method to weld described rib of slab, rib of slab both sides, rib of slab Slab element each road angle welding is synchronously symmetrically welded, stress between rib of slab can be made evenly, and welding efficiency comparatively traditional welding method improve 3 ~ 4 times, and adopt bilateral mariages to be symmetrically welded, not only rib of slab both sides welding stress is symmetrical, and Slab element integral solder stress is symmetrical, the angular deformation of rib of slab and the bulk deformation of cross rib Slab element can be controlled preferably, effectively can reduce deflection, deformation correction work is reduced.
Detailed description of the invention
The invention provides and a kind of manufacture the unary method of rib of slab, make the unary stress of rib of slab that produces evenly, deflection is minimized.
Below the preferred embodiment of the present invention is described in detail.
The embodiment of the invention discloses a kind of unary method of manufacture rib of slab, described manufacture method is specially: be preset at by base plate on assembling moulding bed, and carry out base plate location on described assembling moulding bed; And after the positioning, assemble described rib of slab; In the described rib of slab process of assembling, the welding method of prosposition two-side synchronous symmetry is adopted to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled; After described rib of slab has assembled, the welding method of prosposition bilateral mariages symmetry has been adopted to weld described rib of slab Slab element angle welding.
In specific implementation process, higher owing to assembling comparatively welding efficiency, the quantitative proportion of usual assembling moulding bed and gantry welding positioner is 1:(2 ~ 4), thus traditional handicraft by the assembling of rib of slab unit with weld employing two work areas, in order to increase work efficiency in the embodiment of the present application, realize streamlined operation, shorten the interval time of inter process, a work area need be merged in two work areas of assembling, welding.For this reason, the unary method of manufacture rib of slab that the application proposes can improve welding work efficiency, and welding efficiency and efficiency of assembling are matched.
Specifically, in the embodiment of the present application, assembling and welding are arranged on same work area, described assembly machine can be adopted to assemble, then adopt multiple-head type automatic welding machine to carry out prosposition bilateral mariages to be symmetrically welded; And automatic apparatus for tack-welding is increased on described assembly machine, the automatic tack welding in employing compression limit, limit, makes welding connect efficiency and efficiency of assembling matches, and wherein, the unary manufacturing process of described rib of slab is as follows:
First step operation: the base plate of described rib of slab Slab element is preset on described assembling moulding bed; wherein; described assembling moulding bed is specifically as follows gantry assembling moulding bed; because the weight of described Slab element usually can be heavier; in order to increase work efficiency, usually described Slab element is lifted on described gantry assembling moulding bed.
Next carry out second step operation: the base plate of described assembling moulding bed is positioned, wherein, specifically can be positioned by the base plate of compression mode to described assembling moulding bed.
Specifically, when being positioned by the base plate of described compression mode to described assembling moulding bed, at the hold down gag being arranged on the assembly machine on described assembling moulding bed, described base plate can be positioned, to make described Slab element symmetrical, conveniently described rib of slab is assembled, wherein, described assembly machine and described assembling moulding bed match, and are specifically as follows gantry assembly machine.
After location completes, carry out three-procedure: assemble described rib of slab part.
Specifically, the unary assembling of described rib of slab can be carried out by the automatic contraposition device in described assembly machine, make the Slab element in described rib of slab unit piece symmetrical, and spacing meet the unary Fabrication parameter of described rib of slab.
In the described rib of slab part process of assembling, also need to carry out the 4th step operation: adopt the welding method of prosposition two-side synchronous symmetry to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled.
Specifically, in the described rib of slab process of assembling, by the double-side angular weld seam of rib of slab described in automatic apparatus for tack-welding synchronous welding, until described rib of slab has assembled, wherein, described automatic apparatus for tack-welding can be such as automatic positioning welding, the double-side angular weld seam of rib of slab described in synchronous welding, until described rib of slab has assembled.
After described rib of slab has assembled, carry out the 5th step operation: adopt prosposition bilateral mariages to be symmetrically welded method and weld described rib of slab Slab element angle welding.
Specifically, after described rib of slab has assembled, powered-down key, has moved to another station by described assembly machine, subsequently gantry multiple-head type automatic welding machine is moved to one end of rib of slab to be welded; Again according to groove parameter and the welding parameter of described rib of slab unit, the contraposition of adjustment welding wire, after welding wire contraposition has adjusted, has adopted prosposition bilateral mariages to be symmetrically welded method and has welded described rib of slab Slab element angle welding.
Beneficial effect of the present invention is as follows:
One, the embodiment of the present invention adopt gantry multiple-head type automatic welding machine to carry out prosposition bilateral mariages to be symmetrically welded, and then rib of slab both sides, the Slab element that can realize rib of slab each road angle welding is synchronously symmetrically welded, make welding efficiency comparatively traditional welding method improve 3 ~ 4 times.
Two, the embodiment of the present invention is by improving welding efficiency, and the welding of gantry welder and efficiency of assembling are matched, thus assembling is placed on same work area with welding, and flow process is transported in minimizing, improves overall work efficiency.
Three, the embodiment of the present invention is by adopting overall tack welding automatically, not only makes tack welding stress more even, and improves the presentation quality of tack weld; The assembling of streamlined and welding effectively control the tack welding cracking because erection stress causes.
Four, the embodiment of the present invention adopts overall bilateral mariages to be symmetrically welded, not only rib of slab both sides welding stress is symmetrical, and Slab element integral solder stress is symmetrical, controls the angular deformation of rib of slab and the bulk deformation of cross rib Slab element preferably, substantially reduces correction work amount.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (4)

1. manufacture the unary method of rib of slab, it is characterized in that, comprising:
Base plate is preset on assembling moulding bed, and carries out base plate location on described assembling moulding bed;
And after the positioning, assemble described rib of slab;
In the described rib of slab process of assembling, the welding method of prosposition two-side synchronous symmetry is adopted to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled;
After described rib of slab has assembled, the welding method of prosposition bilateral mariages symmetry has been adopted to weld described rib of slab Slab element angle welding.
2. the method for claim 1, is characterized in that, the described base plate to described assembling moulding bed positions, and specifically comprises:
Positioned by the base plate of compression mode to described assembling moulding bed.
3. method as claimed in claim 2, is characterized in that, described in the described rib of slab process of assembling, adopts the welding method of two-side synchronous symmetry to weld the orientation angle weld seam of described rib of slab, until described rib of slab has assembled, specifically comprises:
In the described rib of slab process of assembling, by the double-side angular weld seam of rib of slab described in automatic apparatus for tack-welding synchronous welding, until described rib of slab has assembled.
4. method as claimed in claim 3, is characterized in that, described after described rib of slab has assembled, and adopts prosposition bilateral mariages to be symmetrically welded method and welds described rib of slab Slab element angle welding, specifically comprise:
After described rib of slab has assembled, according to groove parameter and the welding parameter of described rib of slab unit, the contraposition of adjustment welding wire, after welding wire contraposition has adjusted, has adopted prosposition bilateral mariages to be symmetrically welded method and has welded described rib of slab Slab element angle welding.
CN201410609316.0A 2014-10-31 2014-10-31 Method for manufacturing slab rib units Pending CN104475994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410609316.0A CN104475994A (en) 2014-10-31 2014-10-31 Method for manufacturing slab rib units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410609316.0A CN104475994A (en) 2014-10-31 2014-10-31 Method for manufacturing slab rib units

Publications (1)

Publication Number Publication Date
CN104475994A true CN104475994A (en) 2015-04-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270930A (en) * 2016-10-19 2017-01-04 武船重型工程股份有限公司 Two-side synchronous welding method inside and outside a kind of U rib
CN107442907A (en) * 2017-08-30 2017-12-08 武船重型工程股份有限公司 A kind of Steel Bridge U rib plate two-sided welding method based on deep molten gas shield welding

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CN103862142A (en) * 2014-03-20 2014-06-18 中铁山桥集团有限公司 Flat position single-seam symmetrical welding method for orthotropic plate U-shaped rib corner welding seam robot

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106270930A (en) * 2016-10-19 2017-01-04 武船重型工程股份有限公司 Two-side synchronous welding method inside and outside a kind of U rib
CN107442907A (en) * 2017-08-30 2017-12-08 武船重型工程股份有限公司 A kind of Steel Bridge U rib plate two-sided welding method based on deep molten gas shield welding
CN107442907B (en) * 2017-08-30 2019-10-29 武船重型工程股份有限公司 A kind of Steel Bridge U rib plate two-sided welding method based on deep molten gas shield welding

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Application publication date: 20150401