CN105350459A - Large steel beam gliding device and construction method thereof - Google Patents
Large steel beam gliding device and construction method thereof Download PDFInfo
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- CN105350459A CN105350459A CN201510805807.7A CN201510805807A CN105350459A CN 105350459 A CN105350459 A CN 105350459A CN 201510805807 A CN201510805807 A CN 201510805807A CN 105350459 A CN105350459 A CN 105350459A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
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Abstract
The invention discloses a large steel beam gliding device and a construction method thereof. The steel beam gliding device comprises slide way supporting frames, slide way distributing beams laid on the slide way supporting frames, slide ways fixed to the slide way distributing beams, traction jack counterforce supports, sliding seats installed on the slide ways, steel strands, jacking jacks fixed to the slide way distributing beams, lateral jack counterforce supports, and lateral jacks fixed to the lateral jack counterforce supports. One ends of the steel strands are connected with traction jacks, and the other ends of the steel strands are connected with the corresponding sliding seats. According to the large steel beam gliding device and the construction method, the slide ways, the slide way supporting frames, the slide way distributing beams, the sliding seats and the counterforce supports can all be produced in a component factory, the manufacturing precision of components is improved, field installation difficulty is lowered, and the construction period can be shortened. The gliding device is simple in operation process, convenient to mount and demount, good in safety and controllability, low in dead load and cost, and small in pollution to the environment.
Description
Technical field
The invention belongs to technical field of bridge construction, particularly relate to a kind of large-scale girder steel slide device, and the construction method of this large-scale girder steel slide device.
Background technology
Girder steel slippage erection is a kind of construction method common in current Bridge Construction, as an important process of Bridge Construction.On the coast or nearly water bank, large lifting equipment can not arrive or the cost of other construction methods higher, girder steel slippage erection then becomes first-selected construction method.The adjust structure of girder steel slippage erection then directly has influence on the success or failure of construction.
The erection of girder steel slippage in the past adjust structure affects by technology, material and plant equipment, girder steel adopts hoist engine to join rope traction mostly, direction across bridge adopts jack to drawing, vertical employing slide is not contour to be realized, its regulating measures has certain safe uncontrollability, operational sequence is complicated, repeatedly, and contaminated environment is larger.Hoist engine draws, affect by wire rope flexibility, it is comparatively lofty when girder steel starts, can delayed hoist engine action when girder steel stops slippage, there is superslide phenomenon in girder steel, affects by hoist engine shape size, and hoist engine position generally can only in the periphery of whole support, so a larger horizontal force is just created to support, directly affect support stability.During direction across bridge adjustment, adopting jack to drawing, having the possibility of dragging girder steel displacement in place, and there is the too much phenomenon of adjustment, repeatedly working more.The longitudinal line style of large-span steel girder is generally curve form, the angle of inclination of a sections girder steel front end and tail end is all inconsistent, adjustment slide height is adopted to settle at one go, then require that slide can not conjugate in slipping, and by slideway rack elasticity deformation effect, be difficult to reach, the one-tenth bridge line style of girder steel can be affected.
Summary of the invention
The first object of the present invention is to provide a kind of large-scale girder steel slide device.
The second object of the present invention is to provide a kind of construction method of large-scale girder steel slide device.
In order to realize above-mentioned first object, the invention provides a kind of large-scale girder steel slide device, for bridge erection construction, it comprises:
Slideway bracing frame, bottom and the ground of described slideway bracing frame are fixed, and the medium position of slideway bracing frame is fixedly connected with existing bridge pier pier shaft;
Slideway distribution beam, described slideway distribution beam is laid on described slideway bracing frame;
Slideway, described slideway is fixed in described slideway distribution beam;
Traction jack reaction support, is fixedly connected on the first end of slideway;
Traction jack, is fixed on described traction jack reaction support;
Traction slide, described traction slide is arranged on described slideway;
Common slide, described common slide is arranged on described slideway;
Steel strand, one end of described steel strand is connected with described traction jack, and the other end is connected with described traction slide;
Top lifting jack, described top lifting jack is fixed in described slideway distribution beam; The position of top lifting jack is corresponding with the bottom of traction slide or common slide;
Side direction jack reaction support, described side direction jack reaction support is fixed in described slideway distribution beam;
Side direction jack, described side direction jack is fixed on described side direction jack reaction support; The position of side direction jack is corresponding with the sidewall of traction slide or common slide;
Treat that the girder steel of slippage is placed on described traction slide and described common slide.
The present invention's large-scale girder steel slide device as above, further, described slideway comprises the first slideway and the second slideway, and described first slideway and the second slideway are arranged in center line side's bilateral symmetry of the girder steel treating slippage.
The present invention's large-scale girder steel slide device as above, further, the bottom interval of common slide arranges two slide locating parts, and corresponding slideway is between slide locating part; The bottom interval of traction slide arranges two slide locating parts, and corresponding slideway is between slide locating part.
The present invention's large-scale girder steel slide device as above, further, the bottom of common slide and traction slide is fixed with corrosion resistant plate or tetrafluoro plate, for reducing the frictional force with slideway.
The present invention's large-scale girder steel slide device as above, further, one deck asbestos are laid at the top of common slide and traction slide, for improving the frictional force with girder steel.
The present invention's large-scale girder steel slide device as above, further, described side direction jack reaction support is bolted in described slideway distribution beam.
The present invention's large-scale girder steel slide device as above, further, the bottom of each traction slide or common slide arranges the top lifting jack of two synchronous operations respectively.
In order to realize above-mentioned second object, the invention provides a kind of construction method of large-scale girder steel slide device, comprising the following steps:
Step 1, girder steel slideway bracing frame that ground is constructed;
Step 2, prefabrication slideway distribution beam, is laid on girder steel slideway bracing frame with automobile loop wheel machine, and slideway distribution beam is fixedly connected with girder steel slideway bracing frame;
Step 3, prefabrication slideway and traction jack reaction support, be laid in slideway distribution beam by slideway automobile loop wheel machine, slideway is arranged with the centerline parallel of the girder steel treating slippage;
Step 4, the common slide of prefabrication and traction slide, put slide by design attitude on slideway;
Step 5, lays steel strand between traction slide and traction jack;
Step 6, starts traction jack, at the uniform velocity draws girder steel to longitudinal design position;
Step 7, in slideway distribution beam, installation side is to jack reaction support and side direction jack, the offset deviation in side direction very heavy adjustment girder steel horizontal plane;
Step 8, slideway distribution beam is installed top lifting jack, by top lifting jack adjustment girder steel vertical height; When spatial position of steel beam overlaps with precalculated position, welding adjacent steel girder segment transverse weld; Then removable girder steel slide device is reused when next sections girder steel slippage.
The invention has the beneficial effects as follows:
End due to the every bar slideway of the present invention arranges two traction jack reaction supports and traction jack, and adopt jack to join steel strand traction, steel strand rigidity is comparatively large, and jacking oil pump can effectively control girder steel skidding distance;
And jack reaction support is arranged on slideway, for slideway bracing frame and slideway distribution beam, the internal force of the pulling force that jack produces just to slideway, in slideway bracing frame and the safety of slideway distribution beam higher;
Slide is at laterally disposed locating part (as limiting plate), and in girder steel slipping, avoiding girder steel laterally has larger displacement and cause security incident;
Lay one deck asbestos on slide top and girder steel contacts baseplate place, improve friction factor and do not damage girder steel enamelled coating, laying corrosion resistant plate or tetrafluoro plate in slide bottom and slideway tip contact place, reduce friction factor, favourable girder steel slippage.
Side direction jack reaction support and side direction jack are arranged everywhere, each slide arranges a place, jack bottom withstands on reaction support, top withstands on slide side, girder steel off normal planar effectively can be adjusted by four side direction jack, side direction jack reaction support bottom is removably connected by bolt and slideway distribution beam, reaches the object that side direction jack reaction support falls flexibly.Side direction jack adjustment slide produce power to slideway bracing frame and slideway distribution beam composition be generally still internal force, safety is high.
Vertical adjustment is arranged everywhere, and each slide arranges a place, and everywhere arranges two top lifting jack at slideway bilateral, needs two top lifting jack synchronization actions.Effectively can adjust steel girder segment front end and tail end inclination angle.Adjustment is after absolute altitude completes, and carries out girder steel welding immediately with cushion block pad girder steel.Can put in place by first straight skidding girder steel during construction, then to carry out in plane off normal adjustment, finally do vertical adjustment, by the adjustment of above-mentioned three directions, can safety obtain desirable girder steel line style.
Slideway in the present invention, slideway bracing frame, slideway distribution beam, slide and reaction support all can be produced in component factory, improve the component accuracy of manufacture, reduce in-site installation difficulty, and can save the duration.This slide device operating process is simple, and install and convenient disassembly, safe controllability is good, and from heavy and light, cost is lower, and environmental pollution is little.After one sections steel girder erection terminates, with to other sections girder steels, can also can save construction cost and resource.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the present invention, wherein:
Fig. 1 be an embodiment of the present invention using state schematic diagram;
Fig. 2 is a lateral plan of Fig. 1;
Fig. 3 is the another side view of Fig. 1;
Fig. 4 draws counter-force seat standard component structural representation in Fig. 1;
Fig. 5 is the lateral view of Fig. 4;
Fig. 6 is traction slide standard component structural representation in Fig. 1;
Fig. 7 is the lateral view of Fig. 6;
Fig. 8 is common slide standard component structural representation in Fig. 1;
Fig. 9 is the lateral view of Fig. 8;
Figure 10 is side direction jack reaction support standard component structural representation in Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows:
1, slideway bracing frame; 2, slideway distribution beam; 3, slideway; 4, jack is drawn; 5, jack reaction support is drawn; 6, steel strand are drawn; 7, traction slide; 8, common slide; 9, slide cross spacing plate; 10, corrosion resistant plate or tetrafluoro plate; 11, side direction jack reaction support; 12, side direction jack; 13, bolt; 14, top lifting jack; 15, pier shaft; 16, ground; 17, girder steel.
Detailed description of the invention
Hereinafter, the embodiment of large-scale girder steel slide device of the present invention is described with reference to the accompanying drawings.
The embodiment recorded at this is specific detailed description of the invention of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and manual, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this manual is schematic diagram, and aid illustration design of the present invention schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the embodiment of the present invention, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
Fig. 1, Fig. 2 and Fig. 3 illustrate the large-scale girder steel slide device of an embodiment of the present invention, and for bridge erection construction, slide onto the predetermined installation site of bridge by girder steel, girder steel slide device comprises:
Slideway bracing frame 1, bottom and the ground 16 of described slideway bracing frame are fixed, and the medium position of slideway bracing frame is fixedly connected with existing bridge pier pier shaft 15;
Slideway distribution beam 2, described slideway distribution beam is laid on described slideway bracing frame;
Slideway 3, described slideway is fixed in described slideway distribution beam;
Traction jack reaction support 5, as shown in Figure 4 and Figure 5, traction jack reaction support 5 is fixedly connected on the first end of slideway;
Traction jack 4, is fixed on described traction jack reaction support;
Slide (comprising traction slide and common slide), traction slide 7, as shown in Figure 6 and Figure 7, described traction slide is arranged on described slideway; Common slide 8, as shown in Figure 8 and Figure 9, described common slide is arranged on described slideway; In a preferred embodiment, the bottom of common slide and traction slide is fixed with corrosion resistant plate or tetrafluoro plate 10, for reducing the frictional force with slideway.In a more preferred embodiment, one deck asbestos are laid at the top of common slide and traction slide, for improving the frictional force with girder steel.
Steel strand 6, one end of described steel strand is connected with described traction jack, and the other end is connected with described traction slide;
Top lifting jack 14, described top lifting jack is fixed in described slideway distribution beam; The position of top lifting jack is corresponding with the bottom of traction slide or common slide; In a preferred embodiment, the bottom of each traction slide or common slide arranges the top lifting jack of two synchronous operations respectively.
Side direction jack reaction support 11, as shown in Figure 10, described side direction jack reaction support is fixed in described slideway distribution beam; In a preferred embodiment, described side direction jack reaction support is fixed in described slideway distribution beam by bolt 13.Side direction jack reaction support can be constructed with to other sections girder steels.
Side direction jack 12, described side direction jack is fixed on described side direction jack reaction support; The position of side direction jack is corresponding with the sidewall of traction slide or common slide;
Treat that the girder steel 17 of slippage is placed on described traction slide and described common slide.
The large-scale girder steel slide device of the above embodiment of the present invention can also improve further, and the bottom interval of common slide arranges two slide locating parts (as slide cross spacing plate 9), and corresponding slideway is between slide locating part; The bottom interval of traction slide arranges two slide locating parts, and corresponding slideway is between slide locating part.So that ensure can not be excessive in the horizontal off normal of slideway in girder steel 17 slipping.
End due to slideway of the present invention arranges a traction jack reaction support and traction jack, and adopt jack to join steel strand traction, steel strand rigidity is comparatively large, and jacking oil pump can effectively control girder steel skidding distance; And jack reaction support is arranged on slideway, for slideway bracing frame and slideway distribution beam, the internal force of the pulling force that jack produces just to slideway, in slideway bracing frame and the safety of slideway distribution beam higher; Slide is at laterally disposed locating part (as limiting plate), and in girder steel slipping, avoiding girder steel laterally has larger displacement and cause security incident; Lay one deck asbestos on slide top and girder steel contacts baseplate place, improve friction factor and do not damage girder steel enamelled coating, laying corrosion resistant plate or tetrafluoro plate in slide bottom and slideway tip contact place, reduce friction factor, favourable girder steel slippage.Side direction jack reaction support and side direction jack are arranged everywhere, each slide arranges a place, jack bottom withstands on reaction support, top withstands on slide side, girder steel off normal planar effectively can be adjusted by four side direction jack, side direction jack reaction support bottom is removably connected by bolt and slideway distribution beam, reaches the object that side direction jack reaction support falls flexibly.Side direction jack adjustment slide produce power to slideway bracing frame and slideway distribution beam composition be generally still internal force, safety is high.Vertical adjustment is arranged everywhere, and each slide arranges a place, and everywhere arranges two top lifting jack at slideway bilateral, needs two top lifting jack synchronization actions.Effectively can adjust steel girder segment front end and tail end inclination angle.Adjustment is after absolute altitude completes, and carries out girder steel welding immediately with cushion block pad girder steel.Can put in place by first straight skidding girder steel during construction, then to carry out in plane off normal adjustment, finally do vertical adjustment, by the adjustment of above-mentioned three directions, can safety obtain desirable girder steel line style.
Slideway in the present invention, slideway bracing frame, slideway distribution beam, slide and reaction support all can be produced in component factory, improve the component accuracy of manufacture, reduce in-site installation difficulty, and can save the duration.This slide device operating process is simple, and install and convenient disassembly, safe controllability is good, and from heavy and light, cost is lower, and environmental pollution is little.After one sections steel girder erection terminates, with to other sections girder steels, can also can save construction cost and resource.
In a kind of specific embodiment, be provided with two slideway bracing frames 1 and two slideways 3 altogether, described slideway comprises the first slideway and the second slideway, and described first slideway and the second slideway are arranged in center line side's bilateral symmetry of the girder steel treating slippage.Slideway distribution beam 2 has reliable connection with slideway bracing frame 1, slideway 3 is laid in some slideway distribution beam 2, each slideway tip inside arranges two traction jack reaction supports 5, be equipped with two traction jack 4, every sections girder steel arranges that a slideway has a traction slide and a common slide respectively for two traction slides 7 and two common slide 8(for 17 times, and another slideway is also have a traction slide and a common slide).The slideway distribution beam 2 of the traction slide 7 on every bar slideway 3 and the corresponding position of common slide 8 is arranged a side direction jack reaction support 11 and side direction jack 12, sections girder steel arrange four side direction jack reaction supports 12 and four side direction jack altogether.The slideway distribution beam 2 of the traction slide 7 on every bar slideway 3 and common slide 8 position is arranged 8 top lifting jack 14 arranged altogether by two top lifting jack, 14, sections girder steel.
Described traction jack 4 is connected with traction slide 7 by steel strand 6 with traction jack reaction support 5.Described traction slide 7 contacts with slideway 3 with common slide 8 bottom surface soldering stainless steel plate or tetrafluoro plate 11.Described traction slide 7 is laid one deck asbestos with common slide 8 end face and is contacted with girder steel 15 bottom surface.Described side direction jack reaction support 12 is reliably connected with slideway distribution beam 2 by bolt 13.Described traction jack 4 horizontal force acted on slideway 3 is internal force.The vertical force that described each dead load produces acts on ground 16.
The construction method of the large-scale girder steel slide device of the above embodiment of the present invention comprises the following steps:
Step 1, girder steel slideway bracing frame that ground is constructed;
Step 2, prefabrication slideway distribution beam, is laid on girder steel slideway bracing frame with automobile loop wheel machine, and slideway distribution beam is fixedly connected with girder steel slideway bracing frame;
Step 3, prefabrication slideway and traction jack reaction support, be laid in slideway distribution beam by slideway automobile loop wheel machine, slideway is arranged with the centerline parallel of the girder steel treating slippage;
Step 4, the common slide of prefabrication and traction slide, put slide by design attitude on slideway;
Step 5, lays steel strand between traction slide and traction jack;
Step 6, starts traction jack, at the uniform velocity draws girder steel to longitudinal design position;
Step 7, in slideway distribution beam, installation side is to jack reaction support and side direction jack, the offset deviation in side direction very heavy adjustment girder steel horizontal plane;
Step 8, slideway distribution beam is installed top lifting jack, by top lifting jack adjustment girder steel vertical height; When spatial position of steel beam overlaps with precalculated position, welding adjacent steel girder segment transverse weld; Then removable girder steel slide device is reused when next sections girder steel slippage.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (8)
1. a large-scale girder steel slide device, for bridge erection construction, is characterized in that, comprising:
Slideway bracing frame, bottom and the ground of described slideway bracing frame are fixed, and the medium position of slideway bracing frame is fixedly connected with existing bridge pier pier shaft;
Slideway distribution beam, described slideway distribution beam is laid on described slideway bracing frame;
Slideway, described slideway is fixed in described slideway distribution beam;
Traction jack reaction support, is fixedly connected on the first end of slideway;
Traction jack, is fixed on described traction jack reaction support;
Traction slide, described traction slide is arranged on described slideway;
Common slide, described common slide is arranged on described slideway;
Steel strand, one end of described steel strand is connected with described traction jack, and the other end is connected with described traction slide;
Top lifting jack, described top lifting jack is fixed in described slideway distribution beam; The position of top lifting jack is corresponding with the bottom of traction slide or common slide;
Side direction jack reaction support, described side direction jack reaction support is fixed in described slideway distribution beam;
Side direction jack, described side direction jack is fixed on described side direction jack reaction support; The position of side direction jack is corresponding with the sidewall of traction slide or common slide;
Treat that the girder steel of slippage is placed on described traction slide and described common slide.
2. large-scale girder steel slide device according to claim 1, is characterized in that, described slideway comprises the first slideway and the second slideway, and described first slideway and the second slideway are arranged in center line side's bilateral symmetry of the girder steel treating slippage.
3. large-scale girder steel slide device according to claim 1, is characterized in that, the bottom interval of common slide arranges two slide locating parts, and corresponding slideway is between slide locating part; The bottom interval of traction slide arranges two slide locating parts, and corresponding slideway is between slide locating part.
4. large-scale girder steel slide device according to claim 1, is characterized in that, the bottom of common slide and traction slide is fixed with corrosion resistant plate or tetrafluoro plate, for reducing the frictional force with slideway.
5. large-scale girder steel slide device according to claim 1, is characterized in that, one deck asbestos are laid at the top of common slide and traction slide, for improving the frictional force with girder steel.
6. large-scale girder steel slide device according to claim 1, is characterized in that, described side direction jack reaction support is bolted in described slideway distribution beam.
7. the construction method of large-scale girder steel slide device according to claim 1, is characterized in that, the bottom of each traction slide or common slide arranges the top lifting jack of two synchronous operations respectively.
8. the construction method of the large-scale girder steel slide device described in any one of claim 1-7, is characterized in that, comprise the following steps:
Step 1, girder steel slideway bracing frame that ground is constructed;
Step 2, prefabrication slideway distribution beam, is laid on girder steel slideway bracing frame with automobile loop wheel machine, and slideway distribution beam is fixedly connected with girder steel slideway bracing frame;
Step 3, prefabrication slideway and traction jack reaction support, be laid in slideway distribution beam by slideway automobile loop wheel machine, slideway is arranged with the centerline parallel of the girder steel treating slippage;
Step 4, the common slide of prefabrication and traction slide, put slide by design attitude on slideway;
Step 5, lays steel strand between traction slide and traction jack;
Step 6, starts traction jack, at the uniform velocity draws girder steel to longitudinal design position;
Step 7, in slideway distribution beam, installation side is to jack reaction support and side direction jack, the offset deviation in side direction very heavy adjustment girder steel horizontal plane;
Step 8, slideway distribution beam is installed top lifting jack, by top lifting jack adjustment girder steel vertical height; When spatial position of steel beam overlaps with precalculated position, welding adjacent steel girder segment transverse weld; Then removable girder steel slide device is reused when next sections girder steel slippage.
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| CN201510805807.7A CN105350459B (en) | 2015-11-20 | 2015-11-20 | Large steel beam gliding device and construction method thereof |
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| CN201510805807.7A CN105350459B (en) | 2015-11-20 | 2015-11-20 | Large steel beam gliding device and construction method thereof |
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| CN106677554A (en) * | 2016-12-29 | 2017-05-17 | 中国石油天然气第建设有限公司 | Method for translating large equipment with steel strand jacks |
| CN108951430A (en) * | 2018-08-31 | 2018-12-07 | 张跃 | A kind of road and bridge in-site installation structure, method and loop wheel machine |
| CN109281255A (en) * | 2018-10-26 | 2019-01-29 | 中交路桥华南工程有限公司 | Girder steel slippage bracket and system |
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| CN111962402A (en) * | 2020-08-11 | 2020-11-20 | 中交路桥建设有限公司 | Lateral sliding installation method for steel box girder |
| CN114808676A (en) * | 2022-05-27 | 2022-07-29 | 中铁大桥局第七工程有限公司 | Assembled steel beam sliding support and mounting method thereof |
| CN114837093A (en) * | 2022-05-27 | 2022-08-02 | 中铁大桥局第七工程有限公司 | Sliding device and sliding system for steel beam segments and sliding method for steel beam segments |
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