CN105862589A - Manufacturing method for broken-line-shaped double-joint stud welded chord member with anchor boxes - Google Patents

Manufacturing method for broken-line-shaped double-joint stud welded chord member with anchor boxes Download PDF

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Publication number
CN105862589A
CN105862589A CN201610106421.1A CN201610106421A CN105862589A CN 105862589 A CN105862589 A CN 105862589A CN 201610106421 A CN201610106421 A CN 201610106421A CN 105862589 A CN105862589 A CN 105862589A
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China
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unit
line
plate
cover
broken line
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CN201610106421.1A
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CN105862589B (en
Inventor
王建国
冯志敏
曹东威
关勇
陈朝军
郑毅
刘柯
王悦程
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China Railway Shanhaiguan Bridge Heavy Industry Co Ltd
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China Railway Shanhaiguan Bridge Heavy Industry Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/14Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The invention relates to a manufacturing method for a broken-line-shaped double-joint stud welded chord member with anchor boxes. The broken-line-shaped double-joint stud welded chord member with the anchor boxes is manufactured according to the sequence of manufacturing of elements, manufacturing of box bodies, installation and welding of cross beam connector plates, drilling of stud holes, and installation and welding of the anchor boxes. The broken-line-shaped double-joint stud welded chord member with the anchor boxes is applied to the Shanghai-to-Nantong Bridge. Broken-line-shaped double-joint chord members are arranged in the positions, where stay cables are installed, of the Shanghai-to-Nantong Bridge to meet the requirement for setting the pre-camber. In the past, stud welded single-joint chord members are adopted to achieve arch cambering by relying on connection of staggered holes and deformation of the chord members. The double-joint chord members are applied to the Shanghai-to-Nantong Bridge, and break points are arranged at joints, so that the cambering requirement is met more easily.

Description

A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method
Technical field
The present invention relates to bridge field, particularly to a kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method.
Background technology
The research of this bridge is that Shanghai leads to bridge, and in the middle of the manufacture of bridge, this Shanghai leads to bridge part-structure and uses suspension cable, Thus needing to process some band anchor case truss and fix suspension cable, anchor case is arranged on the chord member of truss, common band anchor case Bolt weldering chord member manufacture method all use the bolt to level weldering chord member make, and Shanghai lead to bridge install suspension cable position adopt Be the binodal chord member of fold-line-shaped, this is the demand in order to arrange camber, used in the past bolt weldering form single node Chord member relies on and connects wrong hole and chord member deformation arch camber, and Shanghai leads to bridge and uses binode form chord member, arranges folding at node Point makes it be more easy to the demand reaching to arch upward, and the production method of common chord member cannot meet band anchor case fold-line-shaped binode bolt weldering chord member Making requirement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method, energy Enough lead to the band anchor case fold-line-shaped binode bolt weldering chord member used on bridge bridge to producing Shanghai.
For solving above-mentioned technical problem, the technical scheme is that
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method, its innovative point is: this band anchor case fold-line-shaped binode Bolt weldering chord member according to unit piece making, casing making, assembly welding beam joint plate, keyhole drill, the order of assembly welding anchor case is carried out, its Specifically comprise the following steps that
S1. unit piece makes and includes that band broken line riser unit makes, upper cover plate unit makes, lower cover unit makes;
S1.1 band broken line riser unit makes: first by the broken line unit needed for band broken line riser, gusset plate unit, connecting plate list Unit uses Numerical control cutting will cut down, then by broken line unit, gusset plate unit and connecting plate unit from raw steel Carry out leveling process, secondly carry out, on broken line unit, gusset plate unit, connecting plate unit, the model as region to be processed of ruling Contain system, the slope needing welding is carried out the PROCESS FOR TREATMENT of machine milling the most again, then by broken line riser unit according to from left to right Broken line unit a, gusset plate unit a, connecting plate unit, gusset plate unit b, broken line unit b edge and groove are docked and weld Get up, then is detected a flaw in welding position, it is to avoid weld defective, subsequently the band broken line riser unit welded is rectified Flat process, carries out machine miller sequence to top margin and groove according to drawn line, the most again finally along on band broken line riser unit Bearing of trend assembly welding floor a, then the floor a to assembly welding repairs the making being achieved that band broken line riser unit;
S1.2 upper cover plate unit makes: first used from raw steel by upper cover plate unit under the method cutting of accurate cutting Come, then the upper cover plate unit cut down is carried out leveling process, secondly rule as work area to be added on upper cover plate unit The scope control in territory, carries out machine milling process to the groove and slope needing welding according to drawn line, then by floor b along upper cover Bearing of trend on Slab element welds, and finally the floor b welded is repairing the system being achieved that upper cover plate unit Make;
The making of S1.3 lower cover unit: first lower cover unit is used from raw steel under the method cutting of accurate cutting Come, then the lower cover unit cut down is carried out leveling process, secondly the both sides and groove needing welding are carried out machine Milling, welds floor c along the bearing of trend of lower cover unit the most again, finally repairs the floor c of welding just Achieve the making of lower cover unit;
S2. the making of casing: the making of casing uses fetalism inversion to assemble, and first upper cover plate unit is placed on fetalism platform On, on the basis of the longitudinal rib keyhole of the above cover plate unit of bearing of trend of the floor b installed along upper cover plate unit and longitudinal axis Line carries out the assembling of dividing plate, and the riser unit of band broken line is arranged on the both sides of upper cover plate unit, and the riser list of band broken line Floor a in unit is embedded in groove one trench structure of interior formation that the both sides of dividing plate are opened, then is welded by this trench structure and repair Whole, finally lower cover unit cover and is welded on the breach of cell body, form body structure;
S3. assembly welding beam joint plate: beam joint plate includes cantilever diaphragm adapter plate, crossbeam edge of a wing adapter plate, first by crossbeam Web plate joint plate is the most assembled, by the centre of cantilever diaphragm adapter plate along the bearing of trend of floor a on band broken line riser unit Position is welded on floor a, and its one end is welded on adapter plate upper surface, the crossbeam edge of a wing, and the other end is welded on the rib of upper cover plate unit On plate b;
S4. keyhole drills: drilling of keyhole uses double gantry Three-dimensional numerical control driller, utilizes the precise linkage at double gantry the most once Property completes the keyhole at chord member two ends and drills, and two band broken line riser unit can be avoided longitudinally, laterally to misplace, it is ensured that two band broken line risers The concentricity of unit keyhole, each unit head of double gantry numerical control drilling machine all uses high speed drill and can be with accurate linkage, thus effectively Ensure relative positional accuracy and the drilling efficiency of variant Kong Qun, after rod member utilizes the numerical control drilling machine boring of double gantry, it is no longer necessary to Large-scale cover type connects brill model, significantly simplifies the bore process of integrated node member;
S5. assembly welding anchor case: on the basis of above, lower cover unit and riser unit keyhole, mark vertical at upper cover plate cell surface To axis and node center line, inside anchor slab, then mark anchor case system line assembly welding anchor tie plate, the most again bond pads anchor case Part, controls the position of anchor case anchor point, anchor plate and anchor tube angle, the welding quality of anchor case melt-through weld, and anchor case assembly welding completes After, line flame cuts upper cover plate unit and bridge floor butt joint edge and butting grooves thereof, it is ensured that the width of upper cover plate unit, and line flame cuts joint The web member joint of some Slab element and butting grooves thereof.
Further, described gusset plate cell width is relatively big, entirety journey cut blanking again after first completing steel plate splicing and detecting a flaw To ensure gusset plate unit profile, filling position notes avoiding rod member principal weld position.
Further, precise scoring lines after blanking leveling, including oblique montant axis, put more energy into string center line of the bar, horizontal center line And butt end machining line.
Further, the outer all kinds of adapter plates of case can complete assembly welding before casing is holed, thus thoroughly avoids welding point During plate on casing linearity and keyhole the most lateral opening away from impact.
Further, the when of casing welding in the making of casing, four main weld balanced weldings on platform Connect, prevent torsional deformation.
It is an advantage of the current invention that: this band anchor case fold-line-shaped binode bolt weldering chord member is applied to Shanghai and leads to bridge, and Shanghai leads to bridge Using the binodal chord member of fold-line-shaped in the position installing suspension cable, this is the demand in order to arrange camber, adopts in the past Be that bolt weldering form single node chord member relies on and connects wrong hole and chord member deformation arch camber, Shanghai leads to bridge and uses binode form Chord member, arranges break at node and makes it be more easy to the demand reaching to arch upward, and reduces original employing linear type single node and arranges pre- The difficulty of camber, the band anchor case fold-line-shaped binode bolt weldering chord member of the present invention compared with the technology that existing bridge arranges camber Manufacture method complies fully with design requirement, uses the manufacture method of the present invention, can more easily arrange the camber of bridge, it is possible to Reduction of erection time.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 band anchor case fold-line-shaped binode bolt weldering chord member integral installation figure.
Fig. 2 band anchor case broken line binode bolt weldering chord member entirety master regards view.
The manufacture schematic flow diagram of Fig. 3 riser unit.
Fig. 4 riser cellular construction figure.
The manufacture schematic flow diagram of Fig. 5 upper cover plate unit.
The manufacture schematic flow diagram of Fig. 6 lower cover unit.
Fig. 7 diaphragm structure figure.
The schematic diagram that Fig. 8 casing makes.
Fig. 9 keyhole drills flow chart.
Figure 10 is groove type and the dimensional drawings such as anchor case bearing plate and anchor tie plate penetration angle welding.
Figure 11 is anchor case weld seam welding variables figure.
As shown in Figures 1 to 9: 1, riser unit;11, broken line unit;12, gusset plate unit;13, connecting plate unit;14、 Floor a;2, upper cover plate unit;21, floor b;3, lower cover unit;31, floor c;4, casing;41, dividing plate;5, beam joint Plate;51, cantilever diaphragm adapter plate;52, crossbeam edge of a wing adapter plate;6, anchor case.
Detailed description of the invention
The following examples can make professional and technical personnel that the present invention is more fully understood, but the most therefore by this Bright it is limited among described scope of embodiments.
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method as shown in Figures 1 to 9, this band anchor case fold-line-shaped Binode bolt weldering chord member according to unit piece make, casing 4 makes, assembly welding beam joint plate 5, keyhole drill, assembly welding anchor case 6 suitable Sequence is carried out, and it specifically comprises the following steps that
S1. unit piece makes and includes that band broken line riser unit 1 makes, upper cover plate unit 2 makes, lower cover unit 3 makes;
S1.1 band broken line riser unit 1 makes: first by the broken line unit 11 needed for band broken line riser, gusset plate unit 12, company Fishplate bar unit 13 uses Numerical control cutting to cut down from raw steel, then by broken line unit 11, gusset plate unit 12 with And connecting plate unit 13 carries out leveling process, secondly carry out drawing on broken line unit 11, gusset plate unit 12, connecting plate unit 13 Line, as the scope control in region to be processed, carries out the PROCESS FOR TREATMENT of machine milling the most again to the slope needing welding, then by broken line Riser unit 1 according to from left to right by broken line unit 11a, gusset plate unit 12a, connecting plate unit 13, gusset plate unit 12b, Broken line unit 11b edge and groove dock and weld, then detect a flaw welding position, it is to avoid weld defective, subsequently The band broken line riser unit 1 welded is carried out leveling process, the most again top margin and groove is carried out machine according to drawn line Miller sequence, finally along the bearing of trend assembly welding floor 14a on band broken line riser unit 1, then enters the floor 14a of assembly welding Row finishing is achieved that the making of band broken line riser unit 1.
S1.2 upper cover plate unit 2 makes: first upper cover plate unit 2 uses from raw steel the method for accurate cutting cut Cutting off, then the upper cover plate unit 2 cut down is carried out leveling process, secondly on upper cover plate unit 2, line conduct is treated The scope control of machining area, carries out machine milling process to the groove and slope needing welding according to drawn line, then by floor 21b Weld along the bearing of trend on upper cover plate unit 2, finally the floor 21b of welding is being carried out finishing is achieved that upper cover The making of Slab element 2.
The making of S1.3 lower cover unit 3: the method that first lower cover unit 3 is used from raw steel accurate cutting Cut down, then the lower cover unit 3 cut down is carried out leveling process, secondly to both sides and the groove needing welding Carry out machine milling, the most again floor 31c is welded along the bearing of trend of lower cover unit 3, finally the floor 31c to welding Carry out repairing the making being achieved that lower cover unit 31.
S2. the making of casing 4: the making of casing 4 uses fetalism inversion to assemble, and first upper cover plate unit 2 is placed on tire On type platform, the longitudinal rib keyhole of the above cover plate unit of bearing of trend 2 of the floor 21b installed along upper cover plate unit 2 and longitudinal direction On the basis of axis, line carries out the assembling of dividing plate 41, and the riser unit 1 of band broken line is arranged on the both sides of upper cover plate unit 2, and It is embedded in groove one trench structure of interior formation that the both sides of dividing plate 41 are opened with the floor 14a on the riser unit 1 of broken line, then will The welding of this trench structure and finishing, finally cover on the breach of cell body by lower cover unit 3 and weld, and forms casing knot Structure.
S3. assembly welding beam joint plate 5: beam joint plate 5 includes cantilever diaphragm adapter plate 51, crossbeam edge of a wing adapter plate 52, First cantilever diaphragm adapter plate 51 is the most assembled, by crossbeam abdomen along the bearing of trend of floor 14a on band broken line riser unit 1 The centre position of plate adapter plate 51 is welded on floor 14a, and its one end is welded on adapter plate 52 upper surface, the crossbeam edge of a wing, the other end It is welded on the floor 21b of upper cover plate unit 2.
S4. keyhole drills: drilling of keyhole uses double gantry Three-dimensional numerical control driller, utilizes the precise linkage at double gantry simultaneously The keyhole disposably completing chord member two ends drills, and two band broken line riser unit 1 can be avoided longitudinally, laterally to misplace, it is ensured that two band foldings The concentricity of line riser unit keyhole, each unit head of double gantry numerical control drilling machine all use high speed drill and can with accurate linkage, from And relative positional accuracy and the drilling efficiency of variant Kong Qun is effectively ensured, after rod member utilizes the numerical control drilling machine boring of double gantry, no Need large-scale cover type to connect brill model again, significantly simplify the bore process of integrated node member.
S5. assembly welding anchor case 6: on the basis of above, lower cover unit and riser unit 1 keyhole, on upper cover plate unit 2 surface Mark longitudinal axis and node center line, inside anchor slab, then mark anchor case system line assembly welding anchor tie plate, assembly welding the most again Connect anchor case part, control the position of anchor case anchor point, anchor plate and anchor tube angle, the welding quality of anchor case melt-through weld, anchor case group After being soldered into, line flame cuts upper cover plate unit and bridge floor butt joint edge and butting grooves thereof, it is ensured that the width of upper cover plate Slab element 2, Line flame cuts web member joint and the butting grooves thereof of gusset plate unit 12.
Gusset plate unit 12 width is relatively big, after first completing steel plate splicing and detecting a flaw again entirety journey cut blanking to ensure gusset plate Unit profile, filling position notes avoiding rod member principal weld position.
Precise scoring lines after blanking leveling, including oblique montant axis, string center line of the bar of putting more energy into, horizontal center line and docking terminal Processing line.
The outer all kinds of adapter plates of casing 4 can complete assembly welding before casing is holed, thus when thoroughly avoiding welding point plate pair Casing 4 linearity and keyhole the most lateral opening away from impact.
The when of welding casing in the making of casing 4, four main welds are symmetrically welded on platform, prevent from turning round Bent deformation.
As shown in Figure 10, groove type and the size such as anchor case bearing plate and anchor tie plate penetration angle welding.Unit: mm is due to anchor Case position weld groove is deep, and loading is relatively big, should use little heat input, and coordinate flame to repair, to reduce welding during welding Deformation, it is ensured that the position of anchor case and angle accurate.
As shown in figure 11, in anchor case weld seam welding variables figure:
1.WH70Q welding wire uses rich argon shield weldering, and other welding wire uses CO2 gas shield;
The most first welding backside angle weld seam, then from groove side back chipping, is careful not to leak clearly, welds, groove after polishing is clean After weldering is full, cover plate side is even is not less than 8mm leg along welding.
Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments, in above-described embodiment and description The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements both fall within scope of the claimed invention.Claimed scope is by institute Attached claims and equivalent thereof define.

Claims (5)

1. a band anchor case fold-line-shaped binode bolt weldering chord member manufacture method, it is characterised in that: this band anchor case fold-line-shaped binode Bolt weldering chord member according to unit piece making, casing making, assembly welding beam joint plate, keyhole drill, the order of assembly welding anchor case is carried out, its Specifically comprise the following steps that
S1. unit piece makes and includes that band broken line riser unit makes, upper cover plate unit makes, lower cover unit makes;
S1.1 band broken line riser unit makes: first by the broken line unit needed for band broken line riser, gusset plate unit, connecting plate list Unit uses Numerical control cutting will cut down, then by broken line unit, gusset plate unit and connecting plate unit from raw steel Carry out leveling process, secondly carry out, on broken line unit, gusset plate unit, connecting plate unit, the model as region to be processed of ruling Contain system, the slope needing welding is carried out the PROCESS FOR TREATMENT of machine milling the most again, then by broken line riser unit according to from left to right Broken line unit a, gusset plate unit a, connecting plate unit, gusset plate unit b, broken line unit b edge and groove are docked and weld Get up, then is detected a flaw in welding position, it is to avoid weld defective, subsequently the band broken line riser unit welded is rectified Flat process, carries out machine miller sequence to top margin and groove according to drawn line, the most again finally along on band broken line riser unit Bearing of trend assembly welding floor a, then the floor a to assembly welding repairs the making being achieved that band broken line riser unit;
S1.2 upper cover plate unit makes: first used from raw steel by upper cover plate unit under the method cutting of accurate cutting Come, then the upper cover plate unit cut down is carried out leveling process, secondly rule as work area to be added on upper cover plate unit The scope control in territory, carries out machine milling process to the groove and slope needing welding according to drawn line, then by floor b along upper cover Bearing of trend on Slab element welds, and finally the floor b welded is repairing the system being achieved that upper cover plate unit Make;
The making of S1.3 lower cover unit: first lower cover unit is used from raw steel under the method cutting of accurate cutting Come, then the lower cover unit cut down is carried out leveling process, secondly the both sides and groove needing welding are carried out machine Milling, welds floor c along the bearing of trend of lower cover unit the most again, finally repairs the floor c of welding just Achieve the making of lower cover unit;
S2. the making of casing: the making of casing uses fetalism inversion to assemble, and first upper cover plate unit is placed on fetalism platform On, on the basis of the longitudinal rib keyhole of the above cover plate unit of bearing of trend of the floor b installed along upper cover plate unit and longitudinal axis Line carries out the assembling of dividing plate, and the riser unit of band broken line is arranged on the both sides of upper cover plate unit, and the riser list of band broken line Floor a in unit is embedded in groove one trench structure of interior formation that the both sides of dividing plate are opened, then is welded by this trench structure and repair Whole, finally lower cover unit cover and is welded on the breach of cell body, form body structure;
S3. assembly welding beam joint plate: beam joint plate includes cantilever diaphragm adapter plate, crossbeam edge of a wing adapter plate, first by crossbeam Web plate joint plate is the most assembled, by the centre of cantilever diaphragm adapter plate along the bearing of trend of floor a on band broken line riser unit Position is welded on floor a, and its one end is welded on adapter plate upper surface, the crossbeam edge of a wing, and the other end is welded on the rib of upper cover plate unit On plate b;
S4. keyhole drills: drilling of keyhole uses double gantry Three-dimensional numerical control driller, utilizes the precise linkage at double gantry the most once Property completes the keyhole at chord member two ends and drills, and two band broken line riser unit can be avoided longitudinally, laterally to misplace, it is ensured that two band broken line risers The concentricity of unit keyhole, each unit head of double gantry numerical control drilling machine all uses high speed drill and can be with accurate linkage, thus effectively Ensure relative positional accuracy and the drilling efficiency of variant Kong Qun, after rod member utilizes the numerical control drilling machine boring of double gantry, it is no longer necessary to Large-scale cover type connects brill model, significantly simplifies the bore process of integrated node member;
S5. assembly welding anchor case: on the basis of above, lower cover unit and riser unit keyhole, mark vertical at upper cover plate cell surface To axis and node center line, inside anchor slab, then mark anchor case system line assembly welding anchor tie plate, the most again bond pads anchor case Part, controls the position of anchor case anchor point, anchor plate and anchor tube angle, the welding quality of anchor case melt-through weld, and anchor case assembly welding completes After, line flame cuts upper cover plate unit and bridge floor butt joint edge and butting grooves thereof, it is ensured that the width of upper upper cover plate unit, and line flame is cut The web member joint of gusset plate unit and butting grooves thereof.
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method the most according to claim 1, it is characterised in that: institute State gusset plate cell width relatively big, outside overall journey cut blanking is with guarantee gusset plate unit again after first completing steel plate splicing and detecting a flaw Shape, filling position notes avoiding rod member principal weld position.
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method the most according to claim 1, it is characterised in that under: Precise scoring lines after material leveling, machines line including oblique montant axis, string center line of the bar of putting more energy into, horizontal center line and butt end.
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method the most according to claim 1, it is characterised in that: case Outer all kinds of adapter plate can complete assembly welding before casing is holed, thus to casing linearity and bolt when thoroughly avoiding welding point plate Hole the most lateral opening away from impact.
A kind of band anchor case fold-line-shaped binode bolt weldering chord member manufacture method the most according to claim 1, it is characterised in that: The when of in the making of casing welding casing, four main welds are symmetrically welded on platform, prevent torsional deformation.
CN201610106421.1A 2016-02-26 2016-02-26 A kind of band anchor case fold-line-shaped binode bolt weldering chord member preparation method Active CN105862589B (en)

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CN107253026A (en) * 2017-06-23 2017-10-17 江苏中铁山桥重工有限公司 A kind of multidirectional four anchor heads overall steel anchor beam preparation method
CN108797361A (en) * 2018-06-28 2018-11-13 中铁山桥集团有限公司 A kind of stock method of steel truss girder bridge gusset plate
CN109024217A (en) * 2018-07-17 2018-12-18 中铁大桥勘测设计院集团有限公司 The connection structure and welding method of web member and chord member
CN111119051A (en) * 2019-12-24 2020-05-08 江苏中铁山桥重工有限公司 Novel penetrating type chord structure

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