CN209195049U - Big section distortion steel box-girder assembles ejector apparatus - Google Patents
Big section distortion steel box-girder assembles ejector apparatus Download PDFInfo
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- CN209195049U CN209195049U CN201821944014.9U CN201821944014U CN209195049U CN 209195049 U CN209195049 U CN 209195049U CN 201821944014 U CN201821944014 U CN 201821944014U CN 209195049 U CN209195049 U CN 209195049U
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- steel box
- jack
- girder
- crossbeam
- support plate
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Abstract
The utility model discloses big section distortion steel box-girders to assemble ejector apparatus, including gate frame body, support plate and jack, gate frame body is welded by crossbeam and two columns, and the spacing that two column spacing are 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, and it is equipped with through-hole corresponding with jack stroke end caliber size at that low end of the support plate, the axis of through-hole is parallel with crossbeam, passes through through-hole to hold jack, so that jack is not displaced sideways at work convenient for jack stroke end.The utility model provides that a kind of constructing operation is convenient, high-efficient, environmentally friendly and at low cost big section distortion steel box-girder assembly ejector apparatus.
Description
Technical field
The utility model relates to technical field of building construction, more particularly to big section distortion steel box-girder assembles ejector apparatus.
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.Traditional big section distorts steel box-girder bend processing method
To be completed using hot bending method, but for slab, hot bending method exist energy consumption height, low efficiency, it is at high cost, not environmentally the shortcomings that.
Steel box-girder bending machining is distorted to big section for existing, is badly in need of a kind of constructing operation side
Just, bending machining assembly device high-efficient, energy consumption is low, environmentally friendly and at low cost.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of this utility model, which is that, provides a kind of constructing operation side
Just, high-efficient, the big section distortion steel box-girder for consuming energy low, environmentally friendly and at low cost assembles ejector apparatus.
The technical solution of the utility model is achieved in that
Big section distortion steel box-girder assembles ejector apparatus, including gate frame body, support plate and jack, and gate frame body is by cross
Beam and two columns are welded, and the spacing that two column spacing are 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, and is equipped at that low end of the support plate corresponding with jack stroke end caliber size logical
The axis in hole, through-hole is parallel with crossbeam, passes through through-hole to hold jack, so that jack is in work convenient for jack stroke end
It is not displaced sideways when making.
Further, the fixation bottom plate of rectangle is provided in two column bottoms, the quadrangle on fixed bottom plate is logical equipped with screw thread
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, and welding position is determined according to the specifications and models of jack, with
Guarantee that support plate is closer sleeping degree of lengthening of the horizontal distance equal to jacking equipment ontology of gate frame body column.
Further, the jack is convenient for manual adjustment stroke end distance using mechanically.
Further, the gate frame body uses I30a to be process for material.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model structure is simple, and applying stress using jack makes steel plate occur bending and deformation, and avoids use
Large-scale bending equipment and hot bending method, constructing operation are easy.
2, the utility model, which applies stress using jack, makes steel plate occur bending and deformation, and avoids using large scale equipment,
Reduce construction cost.
3, the utility model avoids destruction of the hot bending method to steel, and energy conservation and environmental protection.
Detailed description of the invention
Fig. 1-the utility model structure diagram.
Fig. 2-is big, and section distorts steel box-girder assembling jig frame structural schematic diagram.
Wherein: 1-gate frame body；2-support plates；3-jack；4-door shaped stents；5-connection beams；6-positioning are vertical
Column.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
X-coordinate in the utility model coordinate control point coordinate (X, Y, Z) is steel box-girder width direction to be processed, Y-coordinate
For steel box-girder length direction to be processed, Z coordinate is steel box-girder short transverse to be processed.
Referring to Fig. 1, big section distortion steel box-girder assembles ejector apparatus, including gate frame body 1, support plate 2 and jack 3,
Gate frame body 1 is welded by the column of crossbeam I and two I, forms " п " shape, and two columns, I spacing is equal to two flank of steel box-girder to be processed
The spacing of plate adds 3 active length of jack, i.e. two column, I spacing is not more than pre-assembled steel box-girder width, 3 apparatus body of jack
Height and 3 range sum of the distance of jack；Support plate 2 is vertically arranged in the lower section of crossbeam I, and sets in 2 lower end of support plate
There is the through-hole of 3 stroke end caliber size of jack, the axis of through-hole is parallel with crossbeam I, passes through through-hole convenient for 3 stroke end of jack
To hold jack 3, so that jack 3 is not displaced sideways at work, guarantee working security.
Two columns, I bottom is provided with the fixation bottom plate of rectangle, the quadrangle on fixed bottom plate is equipped with tapped through hole, fixed
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 to make
When with the assembly ejector apparatus, convenient for gate frame body 1 and pedestal anchoring are stablized by bolt.Here pedestal is above-mentioned assembling
The connection beam or crossbeam I of moulding bed.
The support plate 2 is welded in the lower section of crossbeam I, and welding position is determined according to the specifications and models of jack 3, to guarantee
The horizontal distance that support plate 2 is closer gate frame body column I is equal to the sleeping degree of lengthening of 3 apparatus body of jack.
The jack 3 is convenient for manual adjustment stroke end distance using mechanically.Jack 3 is by control coordinate points cloth
It sets, bending distance presses layout design, and after the completion of bending, Ying Caiyong straight steel ruler detects bending rise, is controlled using total station repetition measurement
The coordinate value of coordinate points.
The gate frame body uses I30a to be process 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 1, two columns I is bolted on moulding bed, and tighten nut.By thousand
Jin top 3 passes through the circular hole of support plate 2, and 3 pedestal of jack holds out against a heel post I of gate frame body 1,3 stroke end of jack
The steel box-girder web for holding out against pre- bending applies stress by adjusting 3 stroke end distance of jack, web is made to bend.
The utility model carries out the device of bending to big section distortion steel box-girder, and the utility model is turned round based on big section
What bent steel box-girder assembling jig frame processed steel box-girder, to better understand the utility model, big section distortion introduced below
Steel box-girder assembling jig frame and its steel box-girder is processed using the utility model and big section distortion steel box-girder assembling jig frame
Method.
Referring to Fig. 1, the big section distortion steel box-girder assembling jig frame is made of several moulding bed units, each moulding bed unit packet
Door shaped stent 4 and positioning vertical column 6 are included, the door shaped stent 4 is welded by the column of crossbeam II and two II, forms " п " shape, and two is vertical
The spacing of column II is true by the bottom plate of steel box-girder to be processed and the relative value of the X-coordinate of the coordinate control point of the two columns corresponding position
Fixed, the height of two columns II is different, so that II one end high and another end low of crossbeam forms a tilt angle, the tilt angle is by corresponding to
Steel box-girder to be processed bottom plate coordinate control point Z coordinate relative value determine；And determine two seats of II gradient of crossbeam
The relative value for marking the Z coordinate at control point is respectively two columns, II centroidal line bottom, and to the vertical range of II upper surface of crossbeam, (two are stood
II centroidal line of column is the longitudinal center line of two column II)；The positioning vertical column 6 be arranged on the lower one end of crossbeam II and with
The upper surface of crossbeam II is vertical.Two columns II are welded in ground and set up on the horizontal steel plate platform of completion, according to moulding bed construction drawing
Paper releases the relative coordinate values of the X at control point, Y-direction on platform board, and marks, and checks, makes a record after the completion.Choosing
The point (the as point of bottom where the longitudinal center line of two column II) for taking the cross-section centroid line position of two columns II, will
It corresponds to layout point, makes its coincidence.
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 5 between the door shaped stent 4 of two neighboring moulding bed unit, it is adjacent for connecting and supporting
Two door shaped stents 4.The gradient of each door shaped stent crossbeam II not exclusively, and the height of two column II of door shaped stent
Not exclusively the same, the distance of adjacent two door shaped stent is also not quite similar, this is completely by the master of big section distortion steel box-girder to be processed
The coordinate relative value of coordinate control point is wanted to determine.
Connection beam uses I40a to be process for material, and notch is downward, and connection beam 5 is arranged on door shaped stent 4 and is located at
The two sides of steel box-girder bottom plate to be processed process during steel box-girder, and the bottom plate for assembling the gate frame body of ejector apparatus can anchor
On connection beam.The sideways pitch at 5 both ends of connection beam is consistent with the gradient of door shaped stent 4 of corresponding end connection respectively, connection
5 fore-and-aft tilt degree of binder is corresponding with the difference in height of adjacent two door shaped stents tie point that the connection beam is connected.
The door shaped stent 4, positioning vertical column 6 are all made of I40a and are process for material, intensity height, good rigidity, stability
It is good.The both ends of connection beam and crossbeam II are equipped with threaded hole corresponding with assembly ejector apparatus base thread hole, so that assembly ejection
Device can be 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 is done
Good label, checks after the completion, makes a record；
(3) point of the centroidal line position of two columns II is placed on corresponding coordinate control point, makes its coincidence, and point
It is welded in plate platform；
(4) crossbeam II is lain on two columns II, spot welding is fixed, two columns, II centroidal line bottom to II upper surface of crossbeam
Vertical range as platform lofting control point Z-direction relative coordinate values, 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 at
The two sides of steel box-girder bottom plate to be processed, the gradient for the door shaped stent that the sideways pitch at connection beam both ends is connect with the end respectively
Unanimously, 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 II, using the control point marked on crossbeam II as reference mark,
Make soldering angle vertical with II cross fall of crossbeam in the plane where door shaped stent cross fall；
(7) after moulding bed is completed, the X at control point, the phase of Y-direction should be released on platform board according to moulding bed construction drawing
To coordinate value to each control point coordinates repetition measurement, record repetition measurement data, compare theoretical coordinate value, if there is error, take cutting,
Welding reinforces the measures such as steel plate and adjusts deviation, then repetition measurement, and records；
(8) finally to assembling jig frame carry out intensity, stiffness excitations, detection method be lifting one with steel box-girder to be assembled about
The component pressure testing of 1.5 times of weight is observed continuously 24 hours, detection, record moulding bed deformation data.Data comparison theoretical value will be recorded
According to if not being adjusted in regulating scope, if taking reinforcing support, cutting, weldering between door shaped stent 4 beyond regulating scope
It connects and reinforces the measures such as steel plate adjustment deviation.After reinforcing should repetition measurement control point coordinates again, and record, rectify a deviation.
It is to be carried out using the utility model and big section distortion steel box-girder assembling jig frame to big section distortion steel box-girder below
The processing method of processing, 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 dimension and is put down
The bending deformation in face, 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, in ground steel plate platform
The relative coordinate values of X, Y of the upper each coordinate control point of determination, Z-direction, then set up steel box-girder group on ground steel plate platform
Moulding bed is filled, two columns, II position of any moulding bed unit on assembling jig frame is by the main coordinate control point chosen in advance
Coordinate 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 bottom plate
Upper surface apply external force so that bottom plate is bent in the Z-axis direction, be bonded it completely with assembling jig frame, and guarantee bottom plate one
Side abuts the positioning vertical column of assembling jig frame, and then bottom plate spot welding is fixed on assembling jig frame；Crossbeam on each moulding bed unit
II and anchor point of the positioning vertical column as bottom plate；
(4) steel box-girder is assembled into ejector apparatus close to one coxostermum of steel box-girder of moulding bed positioning vertical column in bottom plate over-assemble
It is anchored 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, adjust jack
The length of stroke end makes coxostermum institute, position, top bend；When the positioning vertical column of the coxostermum and steel box-girder assembling jig frame
It is close to, after the one side edge in web length direction is overlapped with corresponding bottom edge, then the coxostermum and bottom plate welding is firm
Gu then 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
It is corresponding after subtracting two sides web thickness with the baseplate width of position；Positioning vertical column on bottom plate and each moulding bed unit is made
For the anchor point of a 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) are removed
Steel box-girder assembly ejector apparatus is anchored on the door shaped stent or connection beam of moulding bed, makes the alignment of jack stroke end to bending
Web position adjusts the length of jack stroke end, and another coxostermum institute top position is made to bend；When another coxostermum
When being close to the internal partition end face after step (4) assembling, the one side edge and corresponding bottom plate on the coxostermum length direction are another
One side edge is overlapped, by itself and steel box-girder bottom plate and internal partition firm welding；Bottom plate and each internal partition are as another flank
The anchor point of plate；
(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 position
Right above two webs, applying external force in the upper surface of top plate makes top plate bend in the Z-axis direction, makes itself and two coxostermums
Top edge be bonded completely, then by the edge firm welding of itself and left and right sides web；Two web top edges are as top plate
Anchor point；
(7) after the processing for completing steel box-girder on assembling jig frame, bottom plate is disengaged from assembling jig frame, to be cut greatly
Face distorts steel box-girder.
It is flat that the raw material of the bottom plate of steel box-girder to be processed, two coxostermums and top plate have completed two dimension during discharging
The bending deformation in face, wherein bottom plate and top plate are bent in place in X/Y plane, two coxostermums YZ plane inner bending in place, because
The length of steel box-girder is much larger than the length of steel plate, so needing to be divided into muti-piece to bend on bottom plate, two coxostermums and top plate
Behind position, then by corresponding it is welded into an entirety, then curving into another direction of bottom plate, two coxostermums and top plate again
Row working process.During assembling two coxostermums, by above-mentioned processing 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 embodiments of the present invention is only to illustrate act made by the utility model
Example, and it is not the restriction to the utility model embodiment.For those of ordinary skill in the art, it is stated upper
Other various forms of variations and variation can also be made on the basis of bright.Here all embodiments can not be given thoroughly
It lifts.All the technical solution of the utility model changes and variations that derived from that belong to are still in the utility model
Protection scope column.
Claims (5)
1. 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 crossbeam and two columns, and the spacing that two column spacing are 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, and is equipped with and jack stroke end caliber size at that low end of the support plate
The axis of corresponding through-hole, through-hole is parallel with crossbeam, passes through through-hole to hold jack, so that thousand convenient for jack stroke end
Jin top is not displaced sideways at work.
2. big section distortion steel box-girder according to claim 1 assembles ejector apparatus, which is characterized in that in two column bottoms
It is provided with the fixation bottom plate of rectangle, the quadrangle on fixed bottom plate is equipped with tapped through hole, convenient for being connected through a screw thread part for gate
Frame body and pedestal anchoring are stablized.
3. big section distortion steel box-girder according to claim 1 assembles ejector apparatus, which is characterized in that the support plate weldering
It is connected to the lower section of crossbeam, welding position is determined according to the specifications and models of jack, to guarantee that support plate is closer gate frame body
The horizontal distance of column is equal to the sleeping degree of lengthening of jacking equipment ontology.
4. big section distortion steel box-girder according to claim 1 assembles ejector apparatus, which is characterized in that the jack
Using mechanical, it is convenient for manual adjustment stroke end distance.
5. big section distortion steel box-girder according to claim 1 assembles ejector apparatus, which is characterized in that the door type frame
Body uses I30a to be process for material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821944014.9U CN209195049U (en) | 2018-11-23 | 2018-11-23 | Big section distortion steel box-girder assembles ejector apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821944014.9U CN209195049U (en) | 2018-11-23 | 2018-11-23 | Big section distortion steel box-girder assembles ejector apparatus |
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| CN209195049U true CN209195049U (en) | 2019-08-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339466A (en) * | 2018-11-23 | 2019-02-15 | 中冶建工集团有限公司 | Big section distortion steel box-girder assembling jig frame, assembly ejector apparatus and processing method |
| CN113210530A (en) * | 2021-06-29 | 2021-08-06 | 中冶建工集团重庆钢结构有限公司 | Method for bending reinforcing steel bars in batches based on single-column correction press-fitting hydraulic machine |
-
2018
- 2018-11-23 CN CN201821944014.9U patent/CN209195049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339466A (en) * | 2018-11-23 | 2019-02-15 | 中冶建工集团有限公司 | Big section distortion steel box-girder assembling jig frame, assembly ejector apparatus and processing method |
| CN109339466B (en) * | 2018-11-23 | 2024-01-26 | 中冶建工集团有限公司 | Large-section twisted steel box girder assembling jig frame, assembling ejection device and processing method |
| CN113210530A (en) * | 2021-06-29 | 2021-08-06 | 中冶建工集团重庆钢结构有限公司 | Method for bending reinforcing steel bars in batches based on single-column correction press-fitting hydraulic machine |
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