CN104060543A - Installation device of prefabricated bridge deck - Google Patents
Installation device of prefabricated bridge deck Download PDFInfo
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- CN104060543A CN104060543A CN201410309728.2A CN201410309728A CN104060543A CN 104060543 A CN104060543 A CN 104060543A CN 201410309728 A CN201410309728 A CN 201410309728A CN 104060543 A CN104060543 A CN 104060543A
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- end slipway
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- spacing
- spandrel girder
- beams
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Abstract
The invention discloses an installation device of a prefabricated bridge deck, which belongs to the field of bridge construction. The installation device comprises two longitudinal slide-way beams which are symmetrically and fixedly distributed on a top overhanging eave of a steel box beam in parallel, two transverse bearing beams which stretch across the two longitudinal slide-way beams and symmetrically arranged on the two longitudinal slide-way beams in parallel as well as two parallel symmetric longitudinal bearing beams which stretch across the two transverse bearing beams, wherein each longitudinal slide-way beam is respectively provided with a carrying tank and a limiting distribution device which is used for supporting the transverse bearing beam to slide back and forth along the longitudinal direction, each longitudinal slide-way beam is also provided with a gallows, and the gallows is connected to the limiting distribution device through a traction rope and pulls the carrying tank to slide on the longitudinal slide-way beam. The installation device can solve the problem that the prefabricated bridge deck is subjected to the limitation of the installation terrain and is safe to use, convenient and high-efficient to operate and easy to control.
Description
Technical field
The invention belongs to field of bridge construction, relate in particular to the installing area of steel reinforced concrete bondbeam prefabricated bridge.
Background technology
Steel reinforced concrete bondbeam prefabricated bridge is generally prefabricated near bridge, and the about 30t of monolithic weight, after steel girder erection, adopts large-tonnage crawler crane or mobile crane lifting to install near ground bridge.Be subject to site contour condition restriction, have part bridge deck cannot adopt existing technology and equipment to lift installation.
Summary of the invention
The object of the invention is to: propose a kind of prefabricated bridge that solves the problem be subject to landform restriction is installed, use safety, easy to operate efficient, be easy to the erecting device of the prefabricated bridge controlled.
The object of the invention realizes by following technical proposals:
A kind of erecting device of prefabricated bridge, comprise that two Parallel Symmetrics arrange the end slipway beam on being fixed on steel case back portion cornices, the horizontal spandrel girder of arranging across described two end slipway beams two Parallel Symmetrics placed thereon, and longitudinal spandrel girder of two Parallel Symmetrics layouts that are fixed thereon across described two horizontal spandrel girders, on described two end slipway beams, being respectively equipped with carrying tank and spacing distributor supports described horizontal spandrel girder and longitudinally slidably reciprocates thereon, described spacing distributor is positioned on carrying tank and is supported under described horizontal spandrel girder, and be connected and fixed between the spacing distributor on same described end slipway beam, on described two end slipway beams, be also respectively equipped with turntable, described turntable connects described spacing distributor by pull rope and traction transport tank slides on described end slipway beam, described turntable is positioned at described end slipway beam the same side, and the turntable on same described end slipway beam is connected through described pull rope with spacing distributor, on described two longitudinal spandrel girders, be arranged with respectively some cross-arms, described cross-arm below is connected with Chain block, described spacing distributor is by channel steel support part, and the spacing angle steel formation that is fixed on described channel steel support part bottom along described carrying tank surrounding, described end slipway top surface of the beam is also provided with spacing angle steel along edge.
As selection, described channel steel support part adopts two-layer channel-section steel spelling, and upper strata is 2 groups of Two bors d's oeuveres channel-section steels, welding one block plate on it, and lower floor is 2 groups of Two bors d's oeuveres channel-section steels, and a block plate is welded in its lower end, and steel plate surrounding is welded with described spacing angle steel.
As selection, described end slipway beam is supported with described steel case back portion and is corniced and be connected and fixed by some round steel pipe.
As selection, described end slipway beam and laterally spandrel girder are welded into integral body by 2 i iron Two bors d's oeuveres, and i iron is longitudinally equidistantly welded with some roads stiffener.
As selection, described longitudinal spandrel girder is comprised of 2 two i iron, and leaves space between 2 i iron.
In such scheme, facilitate Chain block to install.
The main scheme of aforementioned the present invention and each further selection scheme thereof can independent assortment to form a plurality of schemes; be the present invention and can adopt also claimed scheme: as the present invention; each selects to select any combination with other; those skilled in the art can understand there is multiple combination according to prior art and common practise after understanding the present invention program; be the claimed technical scheme of the present invention, at this, do not do exhaustive.
The course of work is: adopt large-tonnage mobile crane by bridge deck handling Zhi Weiban district, by horizontal spandrel girder and longitudinally spandrel girder on end slipway beam, slide onto directly over bridge deck.By Chain block, bridge deck are promoted to disengaging bridge floor.By turntable and haulage cable, draw spacing distributor, spacing distributor drives carrying tank (to be commonly called as carrying tankette, claiming again floor truck, is that a kind of tradition that can substitute be take the handling equipment that rolling bar is handbarrow) and horizontal spandrel girder and longitudinally spandrel girder and bridge deck integral body move forward on end slipway beam.Arrive after bridge deck design attitude, by Chain block, bridge deck are put down, complete bridge deck in place.Finally, by horizontal spandrel girder and longitudinal spandrel girder slippage Hui Weiban district, carry out the slippage of next piece bridge deck and install.Wherein, spacing distributor has two purposes: the one, and distributional effects, by the steel plate of longitudinal and horizontal four groups of Two bors d's oeuveres channel-section steels and upper and lower side, the gravity of bearing on horizontal spandrel girder is evenly conducted on carrying tank, make to carry tank stressed evenly, use safety, not fragile, facilitate slippage; The 2nd, position-limiting action, by lower steel plate lower end surrounding welding angle steel, is fixed on carrying tank on spacing distributor, is effective and is linked to be integral body, by drawing spacing distributor, reaches carrying tank and the common mobile object of spacing distributor.Because of carrying tank and spacing distributor welding, if after the damage of carrying tank, conveniently replaced.
Beneficial effect of the present invention: this device is used safety, easy to operate, is easy to control, and efficiently solves the problem that is subject to landform restriction is installed, and has improved the installation effectiveness of bridge deck, has shortened the duration, has reduced the lease cost of large tonnage crane.
Accompanying drawing explanation
Fig. 1 is the use state plane structural representation of the embodiment of the present invention;
Fig. 2 is the use state cross-sectional configuration schematic diagram of the embodiment of the present invention;
Fig. 3 is the end slipway beam cross-sectional configuration schematic diagram of the embodiment of the present invention;
Fig. 4 is the side elevation structural representation of the spacing distributor of the embodiment of the present invention;
Fig. 5 is the positive facade structural representation of the spacing distributor of the embodiment of the present invention;
Fig. 6 is the plane distribution structural representation of spacing angle steel of the spacing distributor of the embodiment of the present invention;
Wherein 1 round steel pipe supports; 2 end slipway beams; 3 carrying tankettes; 4 spacing distributors; 5 horizontal spandrel girders; 6 longitudinal spandrel girders; 7 cross-arms; 8 Chain blocks; 9 turntables; 10 haulage cables; 11 steel case beams; 12 cornice; 13 spacing angle steel; 14 stiffeners; 15 tooth pieces; 16 box girder erections; 17 beam sutures; 18 i iron; 19 steel plates; 20 channel-section steels.
The specific embodiment
Following non-limiting examples is used for illustrating the present invention.
As shown in Figures 1 to 6, a kind of erecting device of prefabricated bridge, comprising that two Parallel Symmetrics are arranged is fixed on the end slipway beam 2 cornicing on 12 in steel case beam 11 tops, the horizontal spandrel girder 5 of arranging across two end slipway beams 2, two Parallel Symmetrics placed thereon, and longitudinal spandrel girder 6 of two Parallel Symmetrics layouts that are fixed thereon across two horizontal spandrel girders 5, on two end slipway beams 2, being respectively equipped with carrying tankette 3 and spacing distributor 4 supports horizontal spandrel girder 5 and longitudinally slidably reciprocates thereon, spacing distributor 4 is positioned on carrying tankette 3 and is supported in horizontal spandrel girder 5 times, and be connected and fixed between the spacing distributor 4 on same end slipway beam 2, on two end slipway beams 2, be also respectively equipped with turntable 9, turntable 9 connects spacing distributor 4 by haulage cable 10 and traction transport tankette 3 slides on end slipway beam 2, turntable 9 is positioned at end slipway beam 2 the same sides, and the turntable 9 on same end slipway beam 2 is connected through haulage cable 10 with spacing distributor 4, on two longitudinal spandrel girders 6, be arranged with respectively some cross-arms 7, cross-arm 7 belows are connected with Chain block 8, spacing distributor 4 is by channel steel support part, and spacing angle steel 13 formations that are fixed on channel steel support part bottom along carrying tankette 3 surroundings, end slipway beam 2 end faces are also provided with spacing angle steel 13 along edge.As selection, channel steel support part adopts two-layer channel-section steel spelling, and upper strata is 2 groups of Two bors d's oeuveres channel-section steels, welding one block plate on it, and lower floor is 2 groups of Two bors d's oeuveres channel-section steels, and a block plate is welded in its lower end, and steel plate surrounding is welded with spacing angle steel 13 as stopping means.End slipway beam 2 supports 1 by some round steel pipe and cornices and 12 be connected and fixed with steel case beam 11 tops.End slipway beam 2 and laterally spandrel girder 5 are welded into integral body by 2 i iron Two bors d's oeuveres, and i iron is longitudinally equidistantly welded with some roads stiffener 14.Longitudinally spandrel girder 6 is comprised of 2 two i iron, and leaves space between 2 i iron, facilitates Chain block 8 to install.
Embodiment 1:
(1) round steel pipe supports processing and installation: round steel pipe supports and adopts the processing of Φ 299*10mm pipe, and affected by longitudinal gradient and horizontal wall inscription can adjust voluntarily, guarantees end face level or is not more than 1% the gradient.Upper and lower side respectively welds a 400*400*20mmQ235 steel plate.Round steel pipe support to adopt a dead lift to install, the welding of cornicing of its lower end and steel case beam, and spacing is 4.65m, wherein round steel pipe can be with material replacements such as i iron.
(2) processing of end slipway beam and installation: end slipway beam adopts the processing of 45b i iron, single group length 12m.I iron longitudinally spacing 50cm welds stiffener one, and stiffener adopts upper base 410mm, the 425mm that goes to the bottom, height 60mm, thick 10mmQ235 steel plate processing.After stiffener has welded, 2 i iron Two bors d's oeuveres are welded into integral body, and top full weld also polishes smooth, and bottom adopts the elongated welding of 354*12000*10mm Q235 steel plate.Stopping means when both sides, top increase spot welding ∠ 30*4 angle steel as the traveling of carrying tankette.End slipway beam adopts 25t mobile crane hoisted in position, supports end face welding with round steel pipe.Round steel pipe end face can increase different-thickness steel plate and regulate height, guarantees that end slipway beam is straight.End slipway beam adopts fixedly spreading of double plate (the thick Q235 steel plate of 20mm) and 8 10.9S level high-strength bolts.
(3) as Figure 4-Figure 6, processing and the installation of carrying tankette and spacing distributor: carrying tankette is selected 30t steel wheel structure, have reasonable in design, volume is little, lightweight, carrying capacity is large, the feature such as safe and reliable, is applicable to carrying, moving heavy object.Carrying tankette is directly placed on end slipway beam, and 2 of every slipway beams amount to 4.Spacing can be adjusted as required.Spacing distributor adopts channel-section steel, steel plate and angle steel processing.Distributor adopts two-layer No. 10 channel-section steel spellings, and lower floor is 2 groups of Two bors d's oeuveres channel-section steels, length 570mm, a 570*300*10mmQ235 steel plate of its lower end welding.Steel plate surrounding is welded ∠ 40*4 angle steel as stopping means according to the size of carrying tankette.Upper strata is 2 groups of Two bors d's oeuveres channel-section steels, length 252mm, a 252*310*10mmQ235 steel plate of welding on it.Spacing distributor is directly placed on carrying tankette, because surrounding has angle steel stopping means, can not produce relative motion.2 groups of spacing distributors on same slipway beam adopt 2 Φ 28 reinforcing bars to be welded to connect and to be integral from the side.The size of channel-section steel, steel plate and spacing angle steel can be according to the adjusted size of carrying tankette.
(4) laterally spandrel girder processing and installation: laterally spandrel girder adopts the processing of 45b i iron.Processing mode is with end slipway beam, and list is organized length 12m, totally two groups.Laterally spandrel girder adopts the lifting of 25t mobile crane, is placed in spacing distributor top, and welding with it.
(5) longitudinally spandrel girder processing and installation: longitudinally spandrel girder adopts the processing of 45b i iron, does not establish stiffener, joint length 4.5m, every 2 is one group, totally 4.Two longitudinal spandrel girder spacing 10cm on the same group, facilitate laying of Chain block.Longitudinally spandrel girder adopts the lifting of 25t mobile crane, is placed in horizontal spandrel girder top, and welding with it.The suspension ring position of the corresponding bridge deck of installation site palpus of longitudinal spandrel girder.
(6) installation of round steel cross-arm and Chain block: round steel cross-arm adopts the round steel welding of 3 Φ 32 long 25cm, is placed on longitudinal spandrel girder and welding with it.Totally 4 of round steel cross-arms, the suspension ring position of the corresponding bridge deck of installation site palpus.Select 4 20t Chain blocks, one end suspension hook hangs on round steel cross-arm, and one end suspension hook hangs on the suspension ring of bridge deck.Longitudinally the position of spandrel girder and round steel cross-arm, Chain block all should be installed corresponding suspension ring position.
(7) installation of turntable and haulage cable: bridge deck one side is installed, the haulage cable of a turntable and corresponding length is installed on every end slipway beam.Turntable adopts and is bolted on end slipway beam.Haulage cable one end adopts shackle to be fixed on spacing distributor, and one end is by turntable tethered sliding, the slippage of implement device.
(8) the installation in position flow process of bridge deck: adopt large-tonnage mobile crane by bridge deck handling Zhi Weiban district, device is slid onto directly over bridge deck.By 4 Chain blocks, bridge deck are promoted to disengaging bridge floor.By turntable and haulage cable draw-gear and bridge deck integral body, move forward.Arrive after bridge deck design attitude, by Chain block, bridge deck are put down, complete bridge deck in place.To install slippage Hui Weiban district, and carry out the slippage of next piece bridge deck and install.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the erecting device of a prefabricated bridge, it is characterized in that: comprise that two Parallel Symmetrics arrange the end slipway beam on being fixed on steel case back portion cornices, the horizontal spandrel girder of arranging across described two end slipway beams two Parallel Symmetrics placed thereon, and longitudinal spandrel girder of two Parallel Symmetrics layouts that are fixed thereon across described two horizontal spandrel girders, on described two end slipway beams, being respectively equipped with carrying tank and spacing distributor supports described horizontal spandrel girder and longitudinally slidably reciprocates thereon, described spacing distributor is positioned on carrying tank and is supported under described horizontal spandrel girder, and be connected and fixed between the spacing distributor on same described end slipway beam, on described two end slipway beams, be also respectively equipped with turntable, described turntable connects described spacing distributor by pull rope and traction transport tank slides on described end slipway beam, described turntable is positioned at described end slipway beam the same side, and the turntable on same described end slipway beam is connected through described pull rope with spacing distributor, on described two longitudinal spandrel girders, be arranged with respectively some cross-arms, described cross-arm below is connected with Chain block, described spacing distributor is by channel steel support part, and the spacing angle steel formation that is fixed on described channel steel support part bottom along described carrying tank surrounding, described end slipway top surface of the beam is also provided with spacing angle steel along edge.
2. the erecting device of prefabricated bridge as claimed in claim 1, it is characterized in that: described channel steel support part adopts two-layer channel-section steel spelling, upper strata is 2 groups of Two bors d's oeuveres channel-section steels, welding one block plate on it, lower floor is 2 groups of Two bors d's oeuveres channel-section steels, a block plate is welded in its lower end, and steel plate surrounding is welded with described spacing angle steel.
3. the erecting device of prefabricated bridge as claimed in claim 1, is characterized in that: described end slipway beam is supported with described steel case back portion and corniced and be connected and fixed by some round steel pipe.
4. the erecting device of prefabricated bridge as claimed in claim 1, is characterized in that: described end slipway beam and laterally spandrel girder are welded into integral body by 2 i iron Two bors d's oeuveres, and i iron is longitudinally equidistantly welded with some roads stiffener.
5. the erecting device of prefabricated bridge as claimed in claim 1, is characterized in that: described longitudinal spandrel girder is comprised of 2 two i iron, and leaves space between 2 i iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309728.2A CN104060543B (en) | 2014-07-01 | 2014-07-01 | A kind of erecting device of prefabricated bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309728.2A CN104060543B (en) | 2014-07-01 | 2014-07-01 | A kind of erecting device of prefabricated bridge |
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| CN104060543A true CN104060543A (en) | 2014-09-24 |
| CN104060543B CN104060543B (en) | 2016-04-13 |
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Cited By (6)
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| CN104314007A (en) * | 2014-10-09 | 2015-01-28 | 中铁十局集团有限公司 | Large-span overload slideway beam for pulling |
| CN106800245A (en) * | 2017-01-25 | 2017-06-06 | 中铁大桥局集团第工程有限公司 | A kind of floorings lifting suspension bracket, hanging apparatus and hanging method |
| CN110219242A (en) * | 2019-05-21 | 2019-09-10 | 宁波市政工程建设集团股份有限公司 | A kind of double-deck construction method of installation for synchronizing beam in beam |
| CN112211098A (en) * | 2020-10-12 | 2021-01-12 | 安徽建筑大学 | Bolt connection device between prefabricated bridge floor boards of assembled bridge |
| CN112813834A (en) * | 2020-12-31 | 2021-05-18 | 中铁八局集团昆明铁路建设有限公司 | Beam piece mounting system and mounting method |
| CN113459934A (en) * | 2021-07-06 | 2021-10-01 | 中铁十六局集团第三工程有限公司 | Steel box girder transportation device and method |
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| CN202220327U (en) * | 2011-07-20 | 2012-05-16 | 中铁十四局集团有限公司 | Moving pulley of side web plate of full space support cast-in-place box beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104314007A (en) * | 2014-10-09 | 2015-01-28 | 中铁十局集团有限公司 | Large-span overload slideway beam for pulling |
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| CN106800245A (en) * | 2017-01-25 | 2017-06-06 | 中铁大桥局集团第工程有限公司 | A kind of floorings lifting suspension bracket, hanging apparatus and hanging method |
| CN106800245B (en) * | 2017-01-25 | 2019-01-25 | 中铁大桥局集团第一工程有限公司 | A kind of floorings lifting hanger, hanging apparatus and hanging method |
| CN110219242A (en) * | 2019-05-21 | 2019-09-10 | 宁波市政工程建设集团股份有限公司 | A kind of double-deck construction method of installation for synchronizing beam in beam |
| CN112211098A (en) * | 2020-10-12 | 2021-01-12 | 安徽建筑大学 | Bolt connection device between prefabricated bridge floor boards of assembled bridge |
| CN112813834A (en) * | 2020-12-31 | 2021-05-18 | 中铁八局集团昆明铁路建设有限公司 | Beam piece mounting system and mounting method |
| CN113459934A (en) * | 2021-07-06 | 2021-10-01 | 中铁十六局集团第三工程有限公司 | Steel box girder transportation device and method |
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| CN104060543B (en) | 2016-04-13 |
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