CN109339466A - Big section distortion steel box-girder assembling jig frame, assembly ejector apparatus and processing method - Google Patents
Big section distortion steel box-girder assembling jig frame, assembly ejector apparatus and processing method Download PDFInfo
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- CN109339466A CN109339466A CN201811409021.3A CN201811409021A CN109339466A CN 109339466 A CN109339466 A CN 109339466A CN 201811409021 A CN201811409021 A CN 201811409021A CN 109339466 A CN109339466 A CN 109339466A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 144
- 239000010959 steel Substances 0.000 title claims abstract description 144
- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims description 42
- 238000003466 welding Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 15
- 238000003754 machining Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 4
- 238000013003 hot bending Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000003908 quality control method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses big section distortion steel box-girder assembling jig frame, assembly ejector apparatus and processing methods, big section distortion steel box-girder assembling jig frame includes door shaped stent, positioning vertical column and connection beam, the door shaped stent is welded by the column of crossbeam I and two I, crossbeam I has a tilt angle, which is determined by the Z coordinate of the coordinate control point of the bottom plate of corresponding steel box-girder to be processed；The positioning vertical column is arranged on the lower one end of crossbeam I and vertical with the upper surface of crossbeam I；Connection beam is for connecting two door shaped stents.Assembly ejector apparatus includes gate frame body, support plate and jack, is mainly used for being used to the device of bending web in the assembling process of big section distortion steel box-girder bottom plate and web.That the present invention provides a kind of constructing operations is convenient, machining accuracy is high, high-efficient, and device stability is good, processing unit (plant) and processing method of strong operability and distortion steel box-girder in big section at low cost.
Description
Technical field
The present invention relates to technical field of building construction, more particularly to big section distortion steel box-girder assembling jig frame, assembly ejection
Device and processing method.
Background technique
Currently, the design of some large stadiums, theater structure mostly uses the steel structural form of abnormity, large span, and for one
Some big sections, irregular shape steel member production, process is more, measure materials are more and method is required also to want diversified, adds
Work process is extremely complex, and in contrast cost can also improve.
Big section distortion steel box-girder is by left and right sides web, bottom plate and top plate and is arranged at left and right sides web and bottom
The internal partition of enhancing steel box-girder stress performance is constituted among plate, top plate.The bending machining of big section distortion steel box-girder refers to left and right
Two coxostermums, four bottom plate, top plate faces carry out bending machinings, traditional bend processing method be completed using hot bending method, but
For slab, hot bending method haves the shortcomings that consume energy height, low efficiency, at high cost.And the processing for big section distortion steel box-girder, it passes
The method of system is to decompose the plate in this four faces of the web, bottom plate and top plate of the left and right sides of steel box-girder, and every block of plate is independent
Camber, radian to be processed, is most combined into steel box-girder later, this method machining accuracy is low, and it is more difficult for global quality control, and
The plate in four faces is individually processed, and four sets of measure devices are needed, and increases cost and inefficient.Obviously traditional processing method is deposited
Machining accuracy is low, low efficiency, disadvantage at high cost.
For existing to big section distortion steel box-girder processing, be badly in need of a kind of constructing operation it is convenient plus
Work precision is high, high-efficient, device stability is good, strong operability and processing unit (plant) at low cost and processing method.
Summary of the invention
In view of the above shortcomings of the prior art, the object of the invention is that provide a kind of constructing operation it is convenient plus
Work precision is high, high-efficient, and device stability is good, strong operability and distortion steel box-girder assembling jig frame in big section at low cost, assembly
Ejector apparatus and processing method.
The technical scheme of the present invention is realized as follows:
Big section distorts steel box-girder assembling jig frame, and the assembling jig frame is made of several moulding bed units, and each moulding bed unit includes
Door shaped stent and positioning vertical column, the door shaped stent are welded by the column of crossbeam I and two I, and the spacing of two columns I is by be processed
The relative value of the X-coordinate of the bottom plate of steel box-girder and the coordinate control point of the two columns corresponding position determines that the height of two columns I is different
Sample so that I one end high and another end low of crossbeam forms a tilt angle, the tilt angle by corresponding steel box-girder to be processed bottom plate
The relative value of the Z coordinate of coordinate control point determines；The positioning vertical column be arranged on the lower one end of crossbeam I and with crossbeam I
Upper surface is vertical.
Further, the quantity of the moulding bed unit chooses main coordinate control according to certain distance by steel box-girder length to be processed
The quantity of system point determines；It is additionally provided with connection beam between the door shaped stent of two neighboring moulding bed unit, for connecting and supporting
Adjacent two door shaped stent.
Further, connection beam uses I40a for material, and connection beam is arranged on door shaped stent and is located at steel box-girder to be processed
The two sides of bottom plate, the sideways pitch at connection beam both ends is consistent with the gradient of door shaped stent of corresponding end connection respectively, connection
Beam fore-and-aft tilt degree is corresponding with the difference in height of adjacent two door shaped stents tie point that the connection beam is connected.
Further, it is material that the door shaped stent, positioning vertical column, which are all made of I40a,.
Big section distortion steel box-girder assembles ejector apparatus, including gate frame body, support plate and jack, and gate frame body is by cross
The column of beam II and two II is welded, and the spacing that two columns, II spacing is equal to two coxostermum of steel box-girder to be processed adds jack to work
Length；Support plate is vertically arranged in the lower section of crossbeam II, and is equipped with and jack stroke end caliber size pair at that low end of the support plate
The axis of the through-hole answered, through-hole is parallel with crossbeam II, passes through through-hole to hold jack, so that thousand convenient for jack stroke end
Jin top is not displaced sideways at work.
Further, the fixation bottom plate of rectangle is provided in two columns, II bottom, the quadrangle on fixed bottom plate is equipped with screw thread
Through-hole is stablized convenient for being connected through a screw thread part for gate frame body and pedestal anchoring.
Further, the support plate is welded in the lower section of crossbeam II, and welding position is determined according to the specifications and models of jack,
To guarantee that support plate is closer sleeping degree of lengthening of the horizontal distance equal to jacking equipment ontology of gate frame body column II.
Further, the jack is convenient for manual adjustment stroke end distance using mechanically.
Further, the gate frame body uses I30a for material.
The processing method of big section distortion steel box-girder using above-mentioned big section distortion steel box-girder assembling jig frame and above-mentioned big is cut
Face distortion steel box-girder assembly ejector apparatus processes big section distortion steel box-girder, which is characterized in that the processing method tool
Body includes the following steps:
(1) bottom plate, two coxostermums and the top plate of steel box-girder to be processed are processed respectively in advance and respectively completes two-dimensional surface
Bending deformation, wherein bottom plate and top plate are bent in place in X/Y plane, two coxostermums YZ plane inner bending in place；
(2) main coordinate control point is chosen according to certain distance according to steel box-girder length to be processed, on ground steel plate platform really
Determine X, Y of each coordinate control point, the relative coordinate values of Z-direction, steel box-girder assembling tyre is then set up on ground steel plate platform
Frame, two columns, I position of any moulding bed unit on assembling jig frame by the main coordinate control point chosen in advance coordinate
It determines；Intensity, stiffness excitations are carried out to steel box-girder assembling jig frame again；
(3) after detection is qualified, in the ready steel box-girder bottom plate of steel box-girder assembling jig frame over-assemble step (1), in the upper of bottom plate
Surface, which applies external force, makes bottom plate bend in the Z-axis direction, is bonded it completely with assembling jig frame, and guarantee that bottom plate side is tight
By the positioning vertical column of assembling jig frame, then bottom plate spot welding is fixed on assembling jig frame；Crossbeam I on each moulding bed unit and fixed
Anchor point of the position column as bottom plate；
(4) in bottom plate over-assemble close to one coxostermum of steel box-girder of moulding bed positioning vertical column, by steel box-girder assembly ejector apparatus anchoring
On the door shaped stent or connection beam of moulding bed, jack stroke end is made to be directed at the web position to bending, adjusts jack stroke
The length at end makes coxostermum institute top position bend；When the coxostermum is close to the positioning vertical column of steel box-girder assembling jig frame,
After one side edge in web length direction is overlapped with corresponding bottom edge, then by the coxostermum and bottom plate firm welding, so
Afterwards by the both sides of the edge of internal partition respectively with bottom plate, web firm welding；Internal partition is laterally disposed, and its lateral dimension and place
The baseplate width of position subtracts corresponding after the web thickness of two sides；Positioning vertical column on bottom plate and each moulding bed unit as this one
The anchor point of coxostermum；
(5) steel box-girder assembly ejector apparatus, another coxostermum of jointing steel box beam, by the identical direction with step (4) by steel are removed
Box beam assembly ejector apparatus is anchored on the door shaped stent or connection beam of moulding bed, and jack stroke end is made to be directed at the web to bending
Position adjusts the length of jack stroke end, and another coxostermum institute top position is made to bend；When another coxostermum and step
Suddenly when the internal partition end face after (4) assembling is close to, one side edge on the coxostermum length direction and the corresponding bottom plate other side
Coincident, by itself and steel box-girder bottom plate and internal partition firm welding；Bottom plate and each internal partition are as another coxostermum
Anchor point；
(6) two coxostermum bending precision and error of rectifying a deviation are detected, after detection is qualified, jointing steel box back plate makes top plate be located at two
Right above web, applying external force in the upper surface of top plate makes top plate bend, and pastes the top edge of itself and two coxostermums completely
It closes, then by the edge firm welding of itself and left and right sides web；Anchor point of the two web top edges as top plate；
(7) after the processing for completing steel box-girder on assembling jig frame, bottom plate is disengaged from assembling jig frame, is turned round to obtain big section
Bent steel box-girder.
Compared with prior art, the invention has the following beneficial effects:
1, constructing operation of the present invention is convenient, machining accuracy is high, high-efficient, and device stability is good and strong operability, at low cost
2, structure is simple, and constructing operation difficulty is low, by using overall package moulding bed, disposably by the left and right sides abdomen of steel box-girder
This four faces of plate, bottom plate and top plate assemble together, and easy to operate, construction efficiency is higher；By using the assembly ejector apparatus, benefit
Applying stress with jack makes steel plate occur bending and deformation, and avoids using large-scale bending equipment and hot bending method, easy to operate.
3, construction cost is low, and measure materials are few, by using overall package moulding bed, disposably by the left and right sides of steel box-girder
This four faces of web, bottom plate and top plate assemble together, and measure materials are few, reduce construction cost；By using the assembly ejection
Device, applying stress using jack makes steel plate occur bending and deformation, and avoids using large scale equipment, reduces construction cost.
4, safety is good, and stability is high, environmental protection and energy saving, and the present invention uses I-steel measure materials, and intensity is high, good rigidity,
Stability is good；By using the assembly ejector apparatus, destruction of the hot bending method to steel, and energy conservation and environmental protection are avoided.
5, machining accuracy is high, and global quality control requires high.By using overall package moulding bed, disposably by steel box-girder
This four faces of left and right sides web, bottom plate and top plate assemble together, improve machining accuracy, and global quality control requires to improve.
Detailed description of the invention
Fig. 1-assembling jig frame structural schematic diagram of the present invention.
Fig. 2-present invention assembles ejector apparatus structural schematic diagram.
Wherein: 1-door shaped stent；2-connection beams；3-positioning vertical columns；4-gate frame bodies；5-support plates；6-is very heavy
Top.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
X-coordinate in coordinate control point coordinate (X, Y, Z) of the present invention is steel box-girder width direction to be processed, Y coordinate be to
Steel box-girder length direction is processed, Z coordinate is steel box-girder short transverse to be processed.
Referring to Fig. 1, big section distorts steel box-girder assembling jig frame, and the assembling jig frame is made of several moulding bed units, each
Moulding bed unit includes door shaped stent 1 and positioning vertical column 3, and the door shaped stent 1 is welded by the column of crossbeam I and two I, is formed
" п " shape, the spacing of two columns I is by the bottom plate of steel box-girder to be processed and the X-coordinate of the coordinate control point of the two columns corresponding position
Relative value determines that the height of two columns I is different, so that I one end high and another end low of crossbeam forms a tilt angle, the tilt angle
It is determined by the relative value of the Z coordinate of the coordinate control point of the bottom plate of corresponding steel box-girder to be processed；And determine I gradient of crossbeam
The relative value of the Z coordinate of 2 coordinate control points is respectively vertical range (two of two columns, the I centroidal line bottom to I upper surface of crossbeam
I centroidal line of column is the longitudinal center line of two column I)；The positioning vertical column 3 be arranged on the lower one end of crossbeam I and with
The upper surface of crossbeam I is vertical.Two columns I are welded in ground and set up on the horizontal steel plate platform of completion, according to moulding bed construction drawing
The X at control point, the relative coordinate values of Y-direction are released on platform board, and is marked, and are checked, are made a record after the completion.It chooses
The point (the as point of bottom where the longitudinal center line of two column I) of the cross-section centroid line position of two columns I, its is right
Layout point is answered, its coincidence is made.
The quantity of the moulding bed unit chooses main coordinate control point according to certain distance by steel box-girder length to be processed
Quantity determines；It is additionally provided with connection beam 2 between the door shaped stent 1 of two neighboring moulding bed unit, it is adjacent for connecting and supporting
Two door shaped stents 1.Not exclusively, and the height of two column I of door shaped stent is not yet for the gradient of each door shaped stent crossbeam I
Just the same, the distance of adjacent two door shaped stent is also not quite similar, this is completely by the main of big section distortion steel box-girder to be processed
The coordinate relative value of coordinate control point determines.
Connection beam uses I40a for material, and notch is downward, and connection beam 2 is arranged on door shaped stent 1 and is located at steel to be processed
The two sides of box beam bottom plate process during steel box-girder, and the bottom plate for assembling the gate frame body of ejector apparatus can be anchored at connection beam
On.The sideways pitch at 2 both ends of connection beam is consistent with the gradient of door shaped stent 1 of corresponding end connection respectively, and connection beam 2 is longitudinal
Gradient is corresponding with the difference in height of adjacent two door shaped stents tie point that the connection beam is connected.
It is material that the door shaped stent, positioning vertical column, which are all made of I40a, and intensity is high, good rigidity, and stability is good.Connection beam and
The both ends of crossbeam I are equipped with threaded hole corresponding with assembly ejector apparatus base thread hole, and assembly ejector apparatus is anchored
On assembling jig frame.
After big section distortion steel box-girder assembling jig frame is completed, it should be put on platform board according to assembling jig frame construction drawing
Out the X at control point, Y-direction relative coordinate values to each control point coordinates repetition measurement, record repetition measurement data, compare theoretical coordinate
Value takes cutting, welding to reinforce the measures such as steel plate adjustment deviation, then repetition measurement, and record if there is error.Then carry out intensity,
Stiffness excitations, detection method are to lift a component pressure testing with about 1.5 times of weight of steel box-girder to be assembled, and it is small to be observed continuously 24
When, detection, record moulding bed deformation data.Data comparison gross data will be recorded, if not being adjusted in regulating scope, if
Beyond regulating scope, then takes and reinforce support between door shaped stent, the measures such as steel plate adjustment deviation is reinforced in cutting, welding.After reinforcing
Repetition measurement control point coordinates again are answered, and records, rectify a deviation.
Steel box-girder assembling jig frame is distorted to better understand big section, steps are as follows for Specific construction:
(1) before moulding bed is set up, ground steel plate platform is cleaned out in advance and measures leveling；
(2) X of coordinate control point, the relative coordinate values of Y-direction are released on platform board according to moulding bed construction drawing, and carries out mark
Note, checks after the completion, makes a record；
(3) point of the centroidal line position of two columns I is placed on corresponding coordinate control point, makes its coincidence, and put and be welded in
In plate platform；
(4) crossbeam I is lain on two columns I, spot welding is fixed, two columns, I centroidal line bottom to I upper surface of crossbeam it is vertical away from
Relative coordinate values from the Z-direction as platform lofting control point, mark；
(5) connection beam point is welded between two door shaped stents, notch is downward, and connection beam is arranged on door shaped stent and is located to be added
The two sides of work steel box-girder bottom plate, the gradient one for the door shaped stent that the sideways pitch at connection beam both ends is connect with the end respectively
It causes, connection beam fore-and-aft tilt degree is corresponding with the difference in height of adjacent two door shaped stents tie point that the connection beam is connected；
(6) positioning vertical column point is welded in the lower end of crossbeam I, using the control point marked on crossbeam I as reference mark, in gate
Make soldering angle vertical with I cross fall of crossbeam in plane where bracket cross fall；
(7) after moulding bed is completed, the X at control point, the opposite seat of Y-direction should be released on platform board according to moulding bed construction drawing
Scale value records repetition measurement data to each control point coordinates repetition measurement, compares theoretical coordinate value, if there is error, takes cutting, welding
Reinforce the measures such as steel plate and adjust deviation, then repetition measurement, and records；
(8) intensity, stiffness excitations finally are carried out to assembling jig frame, detection method is lifting one with steel box-girder to be assembled about 1.5
The component pressure testing of times weight, is observed continuously 24 hours, detection, record moulding bed deformation data.Data comparison gross data will be recorded,
If not adjusting in regulating scope, if exceeding regulating scope, reinforcing support, cutting, welding between door shaped stent 1 are taken
Reinforce the measures such as steel plate and adjusts deviation.After reinforcing should repetition measurement control point coordinates again, and record, rectify a deviation.
Referring to fig. 2, big section distortion steel box-girder assembles ejector apparatus, including gate frame body 4, support plate 5 and jack 6,
Gate frame body 4 is welded by the column of crossbeam II and two II, forms " п " shape, and two columns, II spacing is equal to steel box-girder two to be processed
The spacing of coxostermum adds 6 active length of jack, i.e. two column, II spacing is set no more than pre-assembled steel box-girder width, jack 6
Standby 6 range sum of the distance of body height and jack；Support plate 5 is vertically arranged in the lower section of crossbeam II, and in support plate 5
Lower end is equipped with the through-hole of 6 stroke end caliber size of jack, and the axis of through-hole is parallel with crossbeam II, is convenient for 6 stroke end of jack
Across through-hole to hold jack 6, so that jack 6 is not displaced sideways at work, guarantee working security.
Two columns, II bottom is provided with the fixation bottom plate of rectangle, the quadrangle on fixed bottom plate is equipped with tapped through hole, Gu
Determine backplane specifications δ=30mm*400mm*400mm, the aperture φ=22mm in fixed four holes of bottom plate.The main function in hole is to guarantee
When using the assembly ejector apparatus, convenient for gate frame body 4 and pedestal anchoring are stablized by bolt.Here pedestal is above-mentioned group
Fill the connection beam or crossbeam I of moulding bed.
The support plate 5 is welded in the lower section of crossbeam II, and welding position is determined according to the specifications and models of jack 6, to protect
The horizontal distance that card support plate 5 is closer gate frame body column II is equal to the sleeping degree of lengthening of 6 apparatus body of jack.
The jack 6 is convenient for manual adjustment stroke end distance using mechanically.Jack 6 is by control coordinate points cloth
It sets, bending distance presses layout design, after the completion of bending, should detect bending rise using straight steel ruler, be controlled using total station repetition measurement
The coordinate value of coordinate points.
The gate frame body uses I30a for material.
When using this assembly ejector apparatus, first above-mentioned big section distortion steel box-girder assembling jig frame should be installed, and will
Pre-assembled steel box-girder is placed in the lower section of gate frame body 4, two columns II is bolted on moulding bed, and tighten nut.It will
Jack 6 passes through the circular hole of support plate 5, and 6 pedestal of jack holds out against a heel post II of gate frame body 4,6 stroke of jack
End holds out against the steel box-girder web of pre- bending, applies stress by adjusting 6 stroke end distance of jack, web is made to bend.
The processing method of big section distortion steel box-girder using above-mentioned big section distortion steel box-girder assembling jig frame and above-mentioned big is cut
Face distortion steel box-girder assembly ejector apparatus processes big section distortion steel box-girder, and the processing method specifically includes following step
It is rapid:
(1) bottom plate, two coxostermums and the top plate of steel box-girder to be processed are processed respectively in advance and respectively completes two-dimensional surface
Bending deformation, wherein bottom plate and top plate are bent in place in X/Y plane, two coxostermums YZ plane inner bending in place；
(2) main coordinate control point is chosen according to certain distance according to steel box-girder length to be processed, on ground steel plate platform really
Determine X, Y of each coordinate control point, the relative coordinate values of Z-direction, steel box-girder assembling tyre is then set up on ground steel plate platform
Frame, two columns, I position of any moulding bed unit on assembling jig frame by the main coordinate control point chosen in advance coordinate
It determines；Intensity, stiffness excitations are carried out to steel box-girder assembling jig frame again；
(3) after detection is qualified, in the ready steel box-girder bottom plate of steel box-girder assembling jig frame over-assemble step (1), in the upper of bottom plate
Surface, which applies external force, makes bottom plate bend in the Z-axis direction, is bonded it completely with assembling jig frame, and guarantee that bottom plate side is tight
By the positioning vertical column of assembling jig frame, then bottom plate spot welding is fixed on assembling jig frame；Crossbeam I on each moulding bed unit and fixed
Anchor point of the position column as bottom plate；
(4) in bottom plate over-assemble close to one coxostermum of steel box-girder of moulding bed positioning vertical column, by steel box-girder assembly ejector apparatus anchoring
On the door shaped stent or connection beam of moulding bed, jack stroke end is made to be directed at the web position to bending, adjusts jack stroke
The length at end makes coxostermum institute top position bend；When the coxostermum is close to the positioning vertical column of steel box-girder assembling jig frame,
After one side edge in web length direction is overlapped with corresponding bottom edge, then by the coxostermum and bottom plate firm welding, so
Afterwards by the both sides of the edge of internal partition respectively with bottom plate, web firm welding；Internal partition is laterally disposed, and its lateral dimension and place
The baseplate width of position subtracts corresponding after the web thickness of two sides；Positioning vertical column on bottom plate and each moulding bed unit as this one
The anchor point of coxostermum；Internal partition plays booster action in steel box-girder, increases the stress performance of steel box-girder；
(5) steel box-girder assembly ejector apparatus, another coxostermum of jointing steel box beam, by the identical direction with step (4) by steel are removed
Box beam assembly ejector apparatus is anchored on the door shaped stent or connection beam of moulding bed, and jack stroke end is made to be directed at the web to bending
Position adjusts the length of jack stroke end, and another coxostermum institute top position is made to bend；When another coxostermum and step
Suddenly when the internal partition end face after (4) assembling is close to, one side edge on the coxostermum length direction and the corresponding bottom plate other side
Coincident, by itself and steel box-girder bottom plate and internal partition firm welding；Bottom plate and each internal partition are as another coxostermum
Anchor point；
(6) two coxostermum bending precision and error of rectifying a deviation are detected, after detection is qualified, jointing steel box back plate makes top plate be located at two
Right above web, applying external force in the upper surface of top plate makes top plate bend in the Z-axis direction, keeps it upper with two coxostermums
Edge is bonded completely, then by the edge firm welding of itself and left and right sides web；Positioning of the two web top edges as top plate
Point；
(7) after the processing for completing steel box-girder on assembling jig frame, bottom plate is disengaged from assembling jig frame, is turned round to obtain big section
Bent steel box-girder.
The raw material of bottom plate of the invention, two coxostermums and top plate have completed the curved of two-dimensional surface during discharging
Song deformation, wherein bottom plate and top plate are bent in place in X/Y plane, two coxostermums YZ plane inner bending in place, because of steel box-girder
Length be much larger than the length of steel plate, so after needing for bottom plate, two coxostermums and top plate to be divided into muti-piece bending in place, then
It is welded into an entirety by corresponding, is then to the curved of another direction of bottom plate, two coxostermums and top plate using the present invention
Song is processed.During assembling two coxostermums, according to the above method first by web all top in place after again with bottom plate
It is welded and fixed, will first can also be welded after the position bending of two coxostermum major control points with bottom plate, then other portions of bending again
Position and bottom plate welding.
Finally, it should be noted that the above embodiment of the present invention is only example to illustrate the invention, and it is not
It is the restriction to embodiment of the present invention.For those of ordinary skill in the art, on the basis of the above description also
Other various forms of variations and variation can be made.Here all embodiments can not be exhaustive.It is all to belong to this
The technical solution changes and variations that derived from of invention are still in the scope of protection of the present invention.
Claims (10)
1. big section distorts steel box-girder assembling jig frame, which is characterized in that the assembling jig frame is made of several moulding bed units, each
Moulding bed unit includes door shaped stent and positioning vertical column, and the door shaped stent is welded by the column of crossbeam I and two I, two columns I
Spacing is determined that two is vertical by the relative value of the bottom plate of steel box-girder to be processed and the X-coordinate of the coordinate control point of the two columns corresponding position
The height of column I is different, so that I one end high and another end low of crossbeam forms a tilt angle, the tilt angle is by corresponding to be processed
The relative value of the Z coordinate of the coordinate control point of the bottom plate of steel box-girder determines；The positioning vertical column is arranged in the lower one end of crossbeam I
It is upper and vertical with the upper surface of crossbeam I.
2. big section according to claim 1 distorts steel box-girder assembling jig frame, which is characterized in that the number of the moulding bed unit
Amount is determined by steel box-girder length to be processed according to the quantity that certain distance chooses main coordinate control point；In two neighboring moulding bed list
It is additionally provided with connection beam between the door shaped stent of member, for connecting and supporting adjacent two door shaped stent.
3. big section according to claim 2 distorts steel box-girder assembling jig frame, which is characterized in that connection beam use I40a for
The two sides on door shaped stent and being located at steel box-girder bottom plate to be processed, the lateral inclination at connection beam both ends is arranged in material, connection beam
Degree is consistent with the gradient of door shaped stent of corresponding end connection respectively, the phase that connection beam fore-and-aft tilt degree is connect with the connection beam
The difference in height of adjacent two door shaped stent tie points is corresponding.
4. big section according to claim 1 distorts steel box-girder assembling jig frame, which is characterized in that the door shaped stent is determined
It is material that position column, which is all made of I40a,.
5. big section distortion steel box-girder assembles ejector apparatus, which is characterized in that including gate frame body, support plate and jack, door
Type frame body is welded by the column of crossbeam II and two II, and the spacing that two columns, II spacing is equal to two coxostermum of steel box-girder to be processed adds
Jack active length；Support plate is vertically arranged in the lower section of crossbeam II, and is equipped with and jack stroke end at that low end of the support plate
The axis of the corresponding through-hole of caliber size, through-hole is parallel with crossbeam II, passes through through-hole convenient for jack stroke end to hold thousand
Jin top, so that jack is not displaced sideways at work.
6. big section distortion steel box-girder according to claim 5 assembles ejector apparatus, which is characterized in that at two columns, II bottom
Portion is provided with the fixation bottom plate of rectangle, and the quadrangle on fixed bottom plate is equipped with tapped through hole, convenient for being connected through a screw thread part for door
Type frame body and pedestal anchoring are stablized.
7. big section distortion steel box-girder according to claim 5 assembles ejector apparatus, which is characterized in that the support plate weldering
It is connected to the lower section of crossbeam II, welding position is determined according to the specifications and models of jack, to guarantee that support plate is closer door type frame
The horizontal distance of body column II is equal to the sleeping degree of lengthening of jacking equipment ontology.
8. big section distortion steel box-girder according to claim 5 assembles ejector apparatus, which is characterized in that the jack
Using mechanical, it is convenient for manual adjustment stroke end distance.
9. big section distortion steel box-girder according to claim 5 assembles ejector apparatus, which is characterized in that the door type frame
Body uses I30a for material.
10. the processing method of big section distortion steel box-girder distorts steel box-girder assembling jig frame using big section as claimed in claim 3
Big section distortion steel box-girder is processed with the distortion of big section described in claim 5-9 steel box-girder assembly ejector apparatus,
It is characterized in that, the processing method specifically comprises the following steps:
(1) bottom plate, two coxostermums and the top plate of steel box-girder to be processed are processed respectively in advance and respectively completes two-dimensional surface
Bending deformation, wherein bottom plate and top plate are bent in place in X/Y plane, two coxostermums YZ plane inner bending in place；
(2) main coordinate control point is chosen according to certain distance according to steel box-girder length to be processed, on ground steel plate platform really
Determine X, Y of each coordinate control point, the relative coordinate values of Z-direction, steel box-girder assembling tyre is then set up on ground steel plate platform
Frame, two columns, I position of any moulding bed unit on assembling jig frame by the main coordinate control point chosen in advance coordinate
It determines；Intensity, stiffness excitations are carried out to steel box-girder assembling jig frame again；
(3) after detection is qualified, in the ready steel box-girder bottom plate of steel box-girder assembling jig frame over-assemble step (1), in the upper of bottom plate
Surface, which applies external force, makes bottom plate bend in the Z-axis direction, is bonded it completely with assembling jig frame, and guarantee that bottom plate side is tight
By the positioning vertical column of assembling jig frame, then bottom plate spot welding is fixed on assembling jig frame；Crossbeam I on each moulding bed unit and fixed
Anchor point of the position column as bottom plate；
(4) in bottom plate over-assemble close to one coxostermum of steel box-girder of moulding bed positioning vertical column, by steel box-girder assembly ejector apparatus anchoring
On the door shaped stent or connection beam of moulding bed, jack stroke end is made to be directed at the web position to bending, adjusts jack stroke
The length at end makes coxostermum institute top position bend；When the coxostermum is close to the positioning vertical column of steel box-girder assembling jig frame,
After one side edge in web length direction is overlapped with corresponding bottom edge, then by the coxostermum and bottom plate firm welding, so
Afterwards by the both sides of the edge of internal partition respectively with bottom plate, web firm welding；Internal partition is laterally disposed, and its lateral dimension and place
The baseplate width of position subtracts corresponding after the web thickness of two sides；Positioning vertical column on bottom plate and each moulding bed unit as this one
The anchor point of coxostermum；
(5) steel box-girder assembly ejector apparatus, another coxostermum of jointing steel box beam, by the identical direction with step (4) by steel are removed
Box beam assembly ejector apparatus is anchored on the door shaped stent or connection beam of moulding bed, and jack stroke end is made to be directed at the web to bending
Position adjusts the length of jack stroke end, and another coxostermum institute top position is made to bend；When another coxostermum and step
Suddenly when the internal partition end face after (4) assembling is close to, one side edge on the coxostermum length direction and the corresponding bottom plate other side
Coincident, by itself and steel box-girder bottom plate and internal partition firm welding；Bottom plate and each internal partition are as another coxostermum
Anchor point；
(6) two coxostermum bending precision and error of rectifying a deviation are detected, after detection is qualified, jointing steel box back plate makes top plate be located at two
Right above web, applying external force in the upper surface of top plate makes top plate bend, and pastes the top edge of itself and two coxostermums completely
It closes, then by the edge firm welding of itself and left and right sides web；Anchor point of the two web top edges as top plate；
(7) after the processing for completing steel box-girder on assembling jig frame, bottom plate is disengaged from assembling jig frame, is turned round to obtain big section
Bent steel box-girder.
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