CN206319261U - Steel box-girder slides trailer system - Google Patents
Steel box-girder slides trailer system Download PDFInfo
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- CN206319261U CN206319261U CN201621460584.1U CN201621460584U CN206319261U CN 206319261 U CN206319261 U CN 206319261U CN 201621460584 U CN201621460584 U CN 201621460584U CN 206319261 U CN206319261 U CN 206319261U
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- steel box
- girder
- steel
- trailer system
- traction
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Abstract
The utility model provides a kind of steel box-girder sliding trailer system, including enters the slide device of line slip for carrying steel box-girder and the draw-gear of tractive force is provided for the sliding for steel box-girder；The slide device includes suitable bridge to two slideways of laying and the shift unit being laid on the slideway；The draw-gear is laid with two towing points in each traction unit, and each towing point includes the traction counter-force seat, the drawing anchor device for being laid in traction unit, the jack for being hinged on the drag-line of traction unit and being connected with the drag-line being embedded in traction unit.Pass through the implementation of this programme, it is possible to achieve synchronous, continuous, adjustably translate steel box-girder, and improve security of the steel box-girder in translation motion.
Description
Technical field
The utility model is related to technical field of civil engineering, specifically, and the utility model is related to a kind of steel box-girder sliding
Trailer system.
Background technology
The steel box-girder of large span stayed-cable bridge is lifted in end bay beam section using large-scale crane ship, and is positioned over temporarily and is deposited beam branch
On frame.End bay beam section is made up of more piece steel box-girder beam section, because the installation of end bay is by the influence of topography, and deposits boom support limitation
Width is hung when large-scale crane ship deposits beam construction, so as to cause end bay beam section can not disposably be deposited with crane ship in place, is needed
The traction of steel box-girder straight skidding is in place.
In the prior art, the sliding traction of beam section is generally rail type traction sliding, and when sliding traction, steel box-girder is by cunning
Move bearing to slide along track in nose girder slide rail, because its principle is simple and is widely used.But, when rail type traction
The situation that beam section shifts in sliding just occurs in gliding method suitable for long range traction sliding, not only influences beam section
What is slid is smoothed out, the problem of more bringing very big to the security of beam section and sliding rail.
Utility model content
The steel box-girder sliding for the features such as the purpose of this utility model aims to provide a kind of achievable synchronous, continuous, adjustable is led
Draw system；
Another object of the present utility model aims to provide the construction method that a kind of steel box-girder slides trailer system.
To achieve these goals, the utility model provides following technical scheme：
First aspect slides trailer system there is provided a kind of steel box-girder, including enters line slip for carrying steel box girder segment
Slide device and the draw-gear that tractive force is provided for the sliding for steel box girder segment；The slide device include along bridge to
Two slideways of laying and the shift unit being laid on the slideway；The draw-gear is laid with each traction unit
Two towing points, each towing point includes being embedded in the traction counter-force seat drawn in unit, is laid in the drawing anchor of traction unit
Device, the drag-line for being hinged on traction unit and the jack being connected with the drag-line.
Wherein, the slideway uses section steel manufacture, and the shaped steel top surface is placed in parallel laid inside the channel-section steel of steel plate.
Wherein, the shift unit is each on two slideways lays two.
Further, the shift unit is crawler type heavy body transporting unit.
Further, the crawler type heavy body transporting unit includes panel, two pieces be fixed on below the panel mutually
Parallel riser, the raceway plate being fixed between the riser and the cylindrical roller rolled around the raceway plate；The rolling
Guidance tape two ends are curved；Carrier bar is hinged between two cylindrical rollers of the arbitrary neighborhood, the carrier bar is end to end to be centered around
On the raceway plate.
Preferably, it is provided with directive wheel before and after each riser；The directive wheel wheel direction of principal axis and the cylindrical roller
Take turns direction of principal axis vertical.
Further, the drawing anchor device includes fixator and p-type anchorage；Fixator includes clamping by the rubber of fixing component
Offset plate and the filling rubber slab and the steel plate by the gap between fixing component；The rubber slab is offered along vertical bridge to direction
For the through hole of the drag-line insertion；The p-type anchorage is arranged on the rubber slab with clamping the side phase by fixing component
To another side on, with the end of the fixed drag-line for penetrating the rubber slab.
Wherein, the drag-line is steel strand wires.
Second aspect is there is provided the construction method that a kind of steel box-girder slides trailer system, and the sliding trailer system is using such as
Steel box-girder sliding trailer system described in first aspect, the construction method of the sliding trailer system comprises the following steps：
A installs the slide device, and the shift unit is laid in into sliding starting point；
B lifts at least one steel box girder segment to the shift unit with bank to closure section direction；
C installs the draw-gear using the single steel box girder segment as traction unit；
D starts jack to drive the steel box girder segment to be moved to bank, and institute is unloaded in steel box girder segment sliding afterwards in place
State shift unit and draw-gear；
The shift unit unloaded is laid in sliding starting point by e again, and repeat step b is to d, until completing all steel box-girders
The sliding of section.
Wherein, the step a, four shift units are averagely laid in sliding starting point.
Wherein, side crane steel loading box girder segment of the crane barge from the slide device is used in step b.
Wherein, the step of unloading shift unit in step d be：All shift units that come off simultaneously make the load of steel box girder segment
Lotus is transferred on fixed support bracket.
Compared with prior art, scheme of the present utility model has advantages below：
Sliding trailer system of the present utility model is made up of slide device with draw-gear.The traction of steel box girder segment is slided
Move, using sliding trolley (heavy body transporting unit) as medium is slided, it is upper real that traction power is applied to traction counter-force seat by jack
It is existing, it is adaptable to the traction sliding of extra long distance, and synchronous, continuous, adjustable traction sliding can be realized, while also can be according to existing
Field situation, is adjusted using the one side of jack pair beam section.More preferably, the utility model is set before and after the riser of sliding trolley
Put directive wheel, prevent sliding trolley drive steel box girder segment wandered off in slipping, improve beam section sliding security with
And the efficiency of construction.
The additional aspect of the utility model and advantage will be set forth in part in the description, and these are by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect of the utility model and advantage from the following description of the accompanying drawings of embodiments will
Become substantially and be readily appreciated that, wherein：
Fig. 1 is that the draw-gear and its direction of motion of steel box-girder sliding trailer system in the utility model one embodiment show
It is intended to.
Fig. 2 is the drawing anchor device installation position schematic diagram of steel box-girder sliding trailer system in the utility model one embodiment.
Fig. 3 slides the drawing anchor device structure of trailer system for the steel box-girder in the utility model one embodiment corresponding to A in Fig. 2
Make enlarged drawing.
Fig. 4 is the heavy body transporting unit structural map of steel box-girder sliding trailer system in the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
The present embodiment provides a kind of steel box-girder sliding trailer system, and it includes slide device and draw-gear.Refering to attached
Figure, will carry out detailed narration to the utility model below：
The slide device enters line slip for carrying steel box-girder, and it includes two slideways and shift unit.
Wherein, the slideway is laid immediately on end slipway beam using shaped steel and is made, and the model of the shaped steel is excellent
Elect 2I45 as；Further, channel-section steel is placed in parallel on shaped steel top surface, plays a part of stopper slot, limiting the shift unit can
The shift phenomenon occurred in mobile position and reduction slipping, the preferred 28a channel-section steels of channel-section steel；Further, it is
Increase the rigidity of sliding rail, steel plate is laid in channel-section steel, the thickness of the laying steel plate is 2cm, and preferably 16Mn steel plate
Laid；Another security and steadiness in view of steel box-girder slipping, the installation of the slideway must ensure that top surface is put down
Whole, its flatness should be controlled within 2mm.
Wherein, the shift unit is each on two slideways lays two, i.e., in the present embodiment, preferably four displacements
Device as steel box-girder sliding medium.Further, the shift unit is crawler type heavy body transporting unit 4 (such as Fig. 4), the weight
Body transporting unit 4 includes panel 41, riser 42, raceway plate 43, several cylindrical rollers 44 and carrier bar 45；Wherein, the riser 42
Including two pieces be parallel to each other, the lower section of the panel 41 is both secured to；The raceway plate 43 is fixed on two pieces and is parallel to each other
Between the riser 42, the cylindrical roller 44 preferably transition on raceway plate 43 is easy in the curved design in its two ends；It is described
Cylindrical roller 44 is rolled around the raceway plate 43, and is hinged with carrier bar 45 between two cylindrical rollers 44 of arbitrary neighborhood, described
Carrier bar 45 is end to end to be centered around on the raceway plate 43.Further, the heavy body transporting unit 4 also includes directive wheel 46,
The directive wheel 46 is set before and after riser and it is taken turns direction of principal axis and the cylindrical roller 44 and takes turns vertical (the i.e. directive wheel 46 of direction of principal axis
The direction of wheel shaft is parallel with slideway), each heavy body transporting unit 4 has four directive wheels 46, and the laying of the directive wheel 46 is favourable
It is parallel before and after it to be provided with beneficial to before holding steel box-girder sliding in preventing body transporting unit from driving steel box-girder to be wandered off in slipping
Capable direction.Preferably, the load-bearing of the heavy body transporting unit 4 is 200T.
The draw-gear is used to provide tractive force for the sliding of steel box-girder, and it is in each traction unit (in the present embodiment
It is middle traction unit be steel box girder segment) on be laid with two towing points, mainly serve for ensuring the balance of traction, each towing point is equal
Including traction counter-force seat 14, jack 11, draw anchor device 13 and drag-line 12.
The traction counter-force seat 14 is embedded in traction unit, for increasing the lifting surface area in distraction procedure, reduces steel
Box girder segment is due to the generation the problem of steadiness for being towed device traction and causing is reduced.
The jack 11 is hydraulic jack, is calculated by engineering practice, one thousand is laid in each towing point
Jin top 11, and the jack 11 is horizontal synchronization continuous jack, if it can realize that steel box girder segment occurs partially in sliding
During shifting, the one side (i.e. one of towing point) of steel box girder segment is adjusted, realizes that the entirety of steel box girder segment sliding is put down
OK.It is by unilateral adjustment, reducing and the time used being adjusted when shifting, it is not necessary in being carried out to steel box girder segment
The adjustment of line alignment, further increases the efficiency of construction, reduces human cost.
The drawing anchor device 13 is laid on steel box girder segment, preferably the vertical and horizontal diaphragm junction (such as Fig. 2) of beam section, and it is wrapped
Include fixator 131 and p-type anchorage 132；The fixator 131 is made up of (such as Fig. 3), laying from top to down 5 veneer structures
Respectively rubber slab 1313, steel plate 1312, by fixing component 1311, steel plate 1312, rubber slab 1313；Wherein, the rubber slab
1313 are used to clamp by fixing component 1312, and the through hole for supplying the insertion of drag-line 12 is offered along vertical bridge to direction；The steel
Plate 1312 is used to fill the rubber slab 1313 and by the gap between fixing component 1311.The p-type anchorage 132 is arranged on institute
State on the another side relative with clamping the side by fixing component 1311 of rubber slab 1313, run through the rubber for fixed
The end of the drag-line 12 of offset plate 1313.
The drag-line 12 connects jack 11 and draws anchor device 13, and the connection with drawing anchor device 13 is mainly and the p-type anchorage
132 are hinged on the afterbody of steel box girder segment；Further, the drag-line 12 is steel strand wires, is preferably used in the present embodiment straight
Footpath is 15.24mm, and normal intensity is 1860Mpa steel strand wires.
Specifically, it is as follows in the present embodiment there is provided the example that draw-gear is used in actual condition：, it is known that monolithic
Beam (i.e. one section steel box girder segment) most weight is 400.1t, and the friction system of line slip is entered for 0.02 (because of reality using weight shift unit
Border needs and there is systematic error, is calculated using 0.05 pair of follow-up operating mode), it is necessary to tractive force 20t；With reference to known work
Condition condition, to ensure the balance of beam section traction, need to set two front haulage points so that the tractive force of single towing point in beam section
For 10t, drawn while connecting section using two 100t horizontal continuity jack pair single-unit so that the traction of beam section single is slided
Move the stroke for realizing 25cm.
It is adapted to above-mentioned steel box-girder sliding trailer system, the utility model embodiment provides a kind of steel box-girder sliding traction system
The construction method of system, specifically includes following steps：
A installs the slide device, and the shift unit is laid in into sliding starting point；
Specifically, due to being designed with two slideways in the utility model embodiment, the shift unit is adapted to the slideway
Have four；The cloth of the shift unit is set to averagely lay four shift units in sliding starting point and (be divided to two by shift unit
Slideway is individually preset on the relevant position of support steel box girder segment, and two shift units, the shifting are preset corresponding to a slideway
What position device was laid is smaller than the vertical bridge of steel box girder segment to the length in direction)；
B lifts at least one steel box girder segment to the shift unit with bank to closure section direction；
Specifically, in this step, steel box girder segment is lifted to shifting using crane barge one by one from the side of the slide device
On the device of position, by the load transfer of steel box girder segment to shift unit.
Specifically, the shift unit includes panel, and welding hole is preferably offered on panel, is carried out when to steel box girder segment
After lifting, in addition it is also necessary to further the steel box girder segment is carried out and being fixedly connected between shift unit using welding hole, it is ensured that
Security and steadiness of the steel box girder segment in slipping.
C installs the draw-gear using the single steel box girder segment as traction unit；
D starts jack to drive the steel box girder segment to be moved to bank, and institute is unloaded in steel box girder segment sliding afterwards in place
State shift unit and draw-gear；
Specifically, before the startup jack sliding steel box girder segment, also including step：Debug slide device and inspection
Look into each link position of the sliding trailer system, it is ensured that the construction safety of sliding traction；It is described to be the step of unload shift unit
All shift units that come off simultaneously make the load transfer of steel box girder segment to fixed support bracket.
The shift unit unloaded is laid in sliding starting point by e again, and repeat step b is to d, until completing all steel box-girders
The sliding of section.
In summary, master-plan of the present utility model is to constitute completion steel box-girder translation by slide device and draw-gear
Sliding trailer system, slide device include two slideways and four shift units, steel box-girder is lifted to slide device, adopted
Tractive force, counter-force seat and drag-line provided for sliding with jack, draw anchor device to act on tractive force on steel box-girder, make steel box-girder
Longitudinal translation.Tractive force of the present utility model is applied on counter-force seat by jack and realized, is applied to extra long distance within single hour
Sliding, and can realize synchronous, continuous traction, can be by single towing point to steel box-girder while according to actual slip situation
Skew in slipping is adjusted.
Only it is some embodiments of the present utility model described in upper, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of steel box-girder slides trailer system, it is characterised in that the sliding including entering line slip for carrying steel box girder segment
Device and the draw-gear that tractive force is provided for the sliding for steel box girder segment；
The slide device includes suitable bridge to two slideways of laying and the shift unit being laid on the slideway；
The draw-gear is laid with two towing points in each traction unit, and each towing point includes being embedded in traction list
Traction counter-force seat on position, be laid in the drawings anchor device of traction unit, be hinged on traction unit drag-line and with drag-line company
The jack connect.
2. steel box-girder according to claim 1 slides trailer system, it is characterised in that the slideway uses section steel manufacture,
And the shaped steel top surface is placed in parallel laid inside the channel-section steel of steel plate.
3. steel box-girder according to claim 1 slides trailer system, it is characterised in that the shift unit is in two cunnings
It is each on road to lay two.
4. steel box-girder according to claim 1 slides trailer system, it is characterised in that the shift unit is crawler type weight
Body transporting unit.
5. steel box-girder according to claim 4 slides trailer system, it is characterised in that the crawler type heavy body transporting unit bag
Include panel, be fixed on two below the panel pieces of risers being parallel to each other, the raceway plate being fixed between the riser and
The cylindrical roller rolled around the raceway plate；The raceway plate two ends are curved；Two cylindrical rollers of the arbitrary neighborhood it
Between be hinged with carrier bar, the carrier bar is end to end to be centered around on the raceway plate.
6. steel box-girder according to claim 5 slides trailer system, it is characterised in that be provided with before and after each riser
Directive wheel；The directive wheel wheel direction of principal axis is vertical with the cylindrical roller wheel direction of principal axis.
7. steel box-girder according to claim 1 slides trailer system, it is characterised in that the drawing anchor device include fixator with
And p-type anchorage；Fixator includes clamping by the rubber slab of fixing component and the filling rubber slab and by between fixing component
The steel plate in gap；The rubber slab offers the through hole for the drag-line insertion along vertical bridge to direction；The p-type anchorage is arranged on
On the rubber slab another side relative with clamping the side by fixing component, the rubber slab is penetrated with fixation
The end of drag-line.
8. steel box-girder according to claim 1 slides trailer system, it is characterised in that the drag-line is steel strand wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460584.1U CN206319261U (en) | 2016-12-28 | 2016-12-28 | Steel box-girder slides trailer system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621460584.1U CN206319261U (en) | 2016-12-28 | 2016-12-28 | Steel box-girder slides trailer system |
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| Publication Number | Publication Date |
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| CN206319261U true CN206319261U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621460584.1U Active CN206319261U (en) | 2016-12-28 | 2016-12-28 | Steel box-girder slides trailer system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592439A (en) * | 2016-12-28 | 2017-04-26 | 中交路桥华南工程有限公司 | Steel box girder slide traction system and construction method thereof |
-
2016
- 2016-12-28 CN CN201621460584.1U patent/CN206319261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592439A (en) * | 2016-12-28 | 2017-04-26 | 中交路桥华南工程有限公司 | Steel box girder slide traction system and construction method thereof |
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