CN103846597B - Movable steel box girder segment integral assembling and welding equipment and adjusting method - Google Patents
Movable steel box girder segment integral assembling and welding equipment and adjusting method Download PDFInfo
- Publication number
- CN103846597B CN103846597B CN201410038502.3A CN201410038502A CN103846597B CN 103846597 B CN103846597 B CN 103846597B CN 201410038502 A CN201410038502 A CN 201410038502A CN 103846597 B CN103846597 B CN 103846597B
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- steel box
- assembly welding
- raker beam
- horizontal gird
- box girder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000579971 Terebridae Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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
- B23K37/0426—Fixtures for other work
-
- 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
- B23K37/0461—Welding tables
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to movable steel box girder segment integral assembling and welding equipment, wherein a horizontal cross beam is positioned on a plurality of supporting piers, an angle adjusting device of an inclined supporting beam and a connector connecting device are positioned on the horizontal cross beam, one end of the inclined supporting beam is connected with the angle adjusting device of the inclined supporting beam, the other end of the inclined supporting beam is hinged with the connector connecting device positioned on the horizontal cross beam through a pin shaft, and a positioning dental plate is welded on the top surfaces of the cross beam and the inclined supporting beam. The advantages are that: firstly, realize that assembly welding equipment width and bracing roof beam angle can adjust according to the product characteristics through articulate device and angle adjusting device, powerful, suitability are strong, also are applicable to the steel case roof beam that the cross-section width mitigateed the gradual change. The technology focuses on the selection of the positions of the joint connecting device and the angle adjusting device; secondly, the invention directly carries out the remaking on the existing tire type, and only needs to carry out local reinforcement according to the requirement when in use. All parts are connected in a bolted or pinned mode, so that the adjustment is convenient, the cost is low, and the effect is quick.
Description
Technical field
The present invention relates to movable steel box girder segment integral assembly welding equipment and the control method of a kind of Deformation control being capable of during equipping effective width adjusting, raker beam angular adjustment, inner tube of a tyre precision and using, belong to steel box girder segment and manufacture field.
Background technology
Recent two decades comes, and Steel Bridge development is rapid, has in succession built up many large span steel box beam bridges, and its processing technology is the most ripe.Steel box girder segment factory manufactures main with integral assembly welding fetalism as cover tire, and diaphragm plate is that the inner tube of a tyre controls geometric accuracy and fabricating quality.Assembly welding fetalism has that volume is big, required precision is high, be easily generated the features such as deformation.The most built or at the steel box girder bridge built, its sectional dimension all differs, and is both needed to assembly welding fetalism carries out the large area transformation of the way or again makes before making every time, and transformation of the way workload is big, need to put into more human and material resources and financial resources, also increase sections simultaneously and make the duration.
Summary of the invention
Purpose of design: avoid the weak point in background technology, designs movable steel box girder segment integral assembly welding equipment and the control method of a kind of Deformation control being capable of during equipping effective width adjusting, raker beam angular adjustment, inner tube of a tyre precision and using.
Design: in order to realize above-mentioned purpose of design.The present invention, on equipment Design, horizontal gird arranges multiple gear, to meet the steel box girder segment making of different cross section width.Raker beam uses bearing pin to be connected with crossbeam, and other end arranges leading screw, is used for regulating raker beam angle.The sections assembly welding that inclined bottom plate angle of inclination is different can be met；Secondly, the careful design of this equipment is adjusted by the dental lamina on crossbeam and raker beam, to meet the steel box-girder assembly welding of different process section.
Technical scheme 1: a kind of movable steel box girder segment integral assembly welding equipment, horizontal gird is positioned at multiple support pier, raker beam angle regulator and joint connection and is positioned on horizontal gird, raker beam one end is connected with raker beam angle regulator, the raker beam other end and the joint connection being positioned on horizontal gird are by hinge, and location dental lamina assembly welding is in crossbeam and raker beam end face.
Technical scheme 2: a kind of movable steel box girder segment integral assembly welding equipment control method, by the pre-manufactured hole group on raker beam angle regulator, joint connection and horizontal gird, select joint connection installation site on crossbeam, realize the preliminary regulation of equipment effective width, for the steel box-girder that cross-sectional width is different, different hole groups is selected to close, steel box-girder assembly welding equipment is adjusted, making it can need to be transformed into required section form according to construction, raker beam angular adjustment is mainly completed by conversion bedplate position and adjusting screw length.
The present invention is compared with background technology, and one is that use is simple to operate, convenient and easy, deforms little, beneficially quality control during use；Two is that the present invention is powerful, the suitability strong, can be used for the steel box girder segment of different cross section type, and steel box-girder cross-sectional width being relaxed to gradual change also can use；Three is that the present invention can change a social system on existing fetalism, only need to carry out local strengthening as required, it is not necessary to big input, low cost, instant effect during use；Four is that this equipment regulator site all uses bolt or bearing pin to connect, and damages less to structure self；Five it is that later maintenance expense of the present invention is low, durability strong, is suitable for being widely popularized.
Accompanying drawing explanation
Fig. 1 is movable steel box beam assembly welding technique equipment configuration sketch.
Fig. 2 is the structural representation of movable steel box girder segment integral assembly welding equipment.
Fig. 3 is the structural representation of raker beam angle regulator.
Fig. 4 is the partial structurtes schematic diagram in Fig. 2.
Fig. 5 is the structural representation of joint connection.
Fig. 6 is the plan structure schematic diagram of Fig. 1.
Fig. 7 is apparatus of the present invention installation procedure schematic diagrams.
Detailed description of the invention
Embodiment 1: 1-7 referring to the drawings.A kind of movable steel box girder segment integral assembly welding equipment, horizontal gird 6 is positioned at multiple support pier 7, raker beam angle regulator 1 and joint connection 5 and is positioned on horizontal gird 6, raker beam 2 one end is connected with raker beam angle regulator 1, raker beam 2 other end is hinged by bearing pin 502 with the joint connection 5 being positioned on horizontal gird 6, and location dental lamina 4 assembly welding is in crossbeam 3 and raker beam 2 end face.Described crossbeam 3 is positioned in raker beam 2.Described raker beam angle regulator 1 is made up of U-shaped draw-in groove 101, leading screw 102, many steel brackets 103, connecting plate 104, screw sets 105, many steel brackets 103 and screw set 105 constitute bracing frame, leading screw 102 is screwed in screw set 105, U-shaped draw-in groove 101 is arranged on leading screw 102 upper end, and polylith connecting plate 104 is respectively welded many steel bracket 103 bottom faces and screw set 105 bottom face.Wedge 106 bottom U-shaped draw-in groove 101 is connected with being positioned at leading screw 102 upper binding head 107.Joint connection 5 is formed by two pieces of paired adapter plates 501 and one piece of base connecting plate 503 assembly welding, and horizontal gird 6 end face arranges bolt hole, pitch of holes 100mm, and bedplate 503 is with bolts with horizontal gird 6.Multiple gear pre-manufactured hole group is set on horizontal gird 6.
This equipment i.e. is mainly made up of several parts such as basis 10, support pier 7, steelframes 8.Wherein basis 10 and support pier 7 are essentially identical with tradition assembly welding fetalism；Steelframe 8 part is mainly made up of parts such as horizontal gird 6, raker beam 2, stringer 11 and connectors；Regulation system mainly includes joint connection, raker beam angle regulator and location dental lamina.Dental lamina assembly welding is bolted to crossbeam end face in crossbeam and raker beam end face, joint connection, raker beam angle regulator.
The technical conditions of the present invention:
1., the basis that this equipment is used must have enough bearing capacities, it is ensured that big sedimentation does not occur in whole work progress.
2., due to each parts regulatory function to be met of structure cost apparatus, device to take, during using, technological measures such as fixing, put more energy into, it is to avoid the deformation during use.
3., the installation of this equipment dental lamina need to use real bridge solid preassembling with steel box-girder technique cross section 9 as foundation, be longitudinally punctured into foundation with manufacture curve and welding.
4., raker beam adjusting means range limited, for ensure use function, consider two adjusting meanss range of accommodation and construction needs, determine rational installation site.
Embodiment 2: on the basis of embodiment 1, referring to the drawings 7.A kind of movable steel box girder segment integral assembly welding equipment control method, by raker beam angle regulator 1, pre-manufactured hole group on joint connection 5 and horizontal gird 6, for the steel box-girder that cross-sectional width is different, different hole groups is selected to close, select joint connection installation site on crossbeam, realize the preliminary regulation of equipment effective width, steel box-girder assembly welding equipment is adjusted, make it can need to be transformed into required section form according to construction, raker beam angular adjustment is mainly completed by conversion bedplate position and adjusting screw length, technique cross section according to steel box-girder.
1) joint connection
Joint connection is formed by two pieces of paired adapter plates and one piece of base connecting plate assembly welding.In steelframe 8, horizontal gird end face arranges bolt hole, pitch of holes 100mm.Bedplate uses M24 bolt to be connected with horizontal gird.For the steel box-girder that cross-sectional width is different, different hole groups is selected to close.Cross-sectional width changes greatly, and existing hole group can not meet use when requiring, can add auger shell keyhole on horizontal gird.
2) raker beam angle regulator
Raker beam one end uses bearing pin to be connected with joint connection, it is ensured that raker beam can rotate freely around bearing pin.Additionally designing a raker beam arrangement for adjusting height, this device is mainly made up of parts such as three pieces of base connecting plates, U-shaped draw-in groove, steel bracket and scalable leading screws.Raker beam angular adjustment is mainly completed by conversion bedplate position and adjusting screw length.
3) effective width adjusting scheme is equipped
Technique cross section according to steel box-girder, selects joint connection installation site on crossbeam.Realize the preliminary regulation of equipment effective width.
4) raker beam angular adjustment scheme
After joint connection installation site determines.Raker beam adjusting means installation site is primarily determined that according to cross section feature.Mounting seat plate, steel bracket, U-shaped draw-in groove, adjusting screw and raker beam.Utilize leading screw to make raker beam support height close to design load, raker beam is placed in support draw-in groove.Wedge is utilized to make raker beam be in close contact with draw-in groove, it is achieved angular adjustment.
5) inner tube of a tyre precision Adjusted Option
The inner tube of a tyre precision of equipment is the key that steel box girder segment makes precision controlling, and inner tube of a tyre precision is mainly controlled by the location dental lamina on crossbeam and raker beam, wherein most important near the dental lamina position on crossbeam at joint connection.
6) Deformation control during using
After device installation, for ensureing to use requirement.The connecting portions such as butt joint attachment means, raker beam adjusting means check, it is ensured that leading screw, bolt are tightened.Stiffener and type steel support are set at main connecting portion simultaneously, improve integral rigidity, reduce the deformation during using.
It is to be understood that: although the word that the mentality of designing of the present invention is contrasted detailed by above-described embodiment describes; but these words describe; simply the simple text of mentality of designing of the present invention is described; rather than the restriction to mentality of designing of the present invention; any combination without departing from mentality of designing of the present invention, increase or revise, each falling within protection scope of the present invention.
Claims (6)
1. a movable steel box girder segment integral assembly welding equipment, it is characterized in that: horizontal gird (6) is positioned at that multiple support pier (7) is upper, raker beam angle regulator (1) and joint connection (5) are positioned on horizontal gird (6), raker beam (2) one end is connected with raker beam angle regulator (1), raker beam (2) other end and the joint connection (5) being positioned on horizontal gird (6) are hinged by bearing pin (502), and location dental lamina (4) assembly welding is in crossbeam (3) and raker beam (2) end face；Described raker beam angle regulator (1) is made up of U-shaped draw-in groove (101), leading screw (102), many steel brackets (103), connecting plate (104), screw sets (105), many steel brackets (103) and screw set (105) constitute bracing frame, leading screw (102) is screwed in screw set (105), U-shaped draw-in groove (101) is arranged on leading screw (102) upper end, and polylith connecting plate (104) is respectively welded many steel bracket (103) bottom faces and screw set (105) bottom face.
Movable steel box girder segment integral assembly welding the most according to claim 1 is equipped, and it is characterized in that: described crossbeam (3) is positioned in raker beam (2).
Movable steel box girder segment integral assembly welding the most according to claim 1 is equipped, and it is characterized in that: the wedge (106) of U-shaped draw-in groove (101) bottom is connected with being positioned at leading screw (102) upper binding head (107).
Movable steel box girder segment integral assembly welding the most according to claim 1 is equipped, it is characterized in that: joint connection (5) is formed by two pieces of paired adapter plates (501) and one piece of base connecting plate (503) assembly welding, horizontal gird (6) end face arranges bolt hole, pitch of holes 100mm, base connecting plate (503) is with bolts with horizontal gird (6).
Movable steel box girder segment integral assembly welding the most according to claim 1 is equipped, and it is characterized in that: arrange multiple gear pre-manufactured hole group on horizontal gird (6).
6. a movable steel box girder segment integral assembly welding as claimed in claim 1 equipment control method, it is characterized in that: by raker beam angle regulator (1), pre-manufactured hole group on joint connection (5) and horizontal gird (6), for the steel box-girder that cross-sectional width is different, different hole groups is selected to close, select joint connection installation site on horizontal gird, realize the preliminary regulation of equipment effective width, steel box-girder assembly welding equipment is adjusted, make it can need to be transformed into required section form according to construction, raker beam angular adjustment is mainly completed by conversion base connecting plate position and adjusting screw length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038502.3A CN103846597B (en) | 2014-01-27 | 2014-01-27 | Movable steel box girder segment integral assembling and welding equipment and adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038502.3A CN103846597B (en) | 2014-01-27 | 2014-01-27 | Movable steel box girder segment integral assembling and welding equipment and adjusting method |
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| Publication Number | Publication Date |
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| CN103846597A CN103846597A (en) | 2014-06-11 |
| CN103846597B true CN103846597B (en) | 2017-01-04 |
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| CN201410038502.3A Active CN103846597B (en) | 2014-01-27 | 2014-01-27 | Movable steel box girder segment integral assembling and welding equipment and adjusting method |
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| CN106312423A (en) * | 2016-10-25 | 2017-01-11 | 中铁五局集团有限公司 | Tool jig frame for manufacturing steel structure box bridge |
| CN107841949B (en) * | 2017-07-21 | 2019-04-05 | 南通振华重型装备制造有限公司 | A kind of building technology of inverted trapezoidal Bridge beam assembly moulding bed |
| CN114000429A (en) * | 2021-08-07 | 2022-02-01 | 中铁宝桥（扬州）有限公司 | Longitudinal wet joint pouring deformation control method for eccentric half-width steel-concrete combined box girder |
| CN114178736B (en) * | 2021-12-31 | 2023-08-18 | 中铁宝桥集团有限公司 | Method for controlling total splicing transverse slope of ultra-wide steel box girder |
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| CN103846597A (en) | 2014-06-11 |
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