CN109594476A - A kind of beam section slide device suitable for curved beam - Google Patents

A kind of beam section slide device suitable for curved beam Download PDF

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Publication number
CN109594476A
CN109594476A CN201811427336.0A CN201811427336A CN109594476A CN 109594476 A CN109594476 A CN 109594476A CN 201811427336 A CN201811427336 A CN 201811427336A CN 109594476 A CN109594476 A CN 109594476A
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CN
China
Prior art keywords
piston shoes
jack
slide device
tail
beam section
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Granted
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CN201811427336.0A
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Chinese (zh)
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CN109594476B (en
Inventor
姜旭
徐梓齐
王傲
何振邦
许博强
杨承志
郝晨宇
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Tongji University
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Tongji University
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Publication of CN109594476A publication Critical patent/CN109594476A/en
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Publication of CN109594476B publication Critical patent/CN109594476B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/06Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections

Abstract

The present invention relates to a kind of beam section slide devices suitable for curved beam, including top cushion cap, jack, midfoot support platform and the lower part piston shoes being sequentially arranged from top to bottom, it can be relatively rotated in perpendicular between the midfoot support platform and lower part piston shoes by mating spherical surfaces and the two, in lower part, the rear end of piston shoes is additionally provided with the piston shoes fixed frame that can be rotated in the horizontal plane, the beam section slide device further includes carrying out jack and tail piston shoes, wherein, the both ends for carrying out jack are rotatablely connected the piston shoes fixed frame and tail piston shoes respectively.Compared with prior art, the present invention slides flexibility and precision raising etc. so that whole device is applicable to become the automation sliding construction of the various workings such as deck-molding, horizontal curve by the arrangement of two steering regulating mechanisms.

Description

A kind of beam section slide device suitable for curved beam
Technical field
The invention belongs to technical field of bridge construction, are related to a kind of beam section slide device suitable for curved beam.
Background technique
Existing curve sliding method construction mostly uses greatly towed construction, is pulled respectively on inside and outside two tracks by hoist engine Sliding machine, and Construction control is carried out by Computerized digital control system.In emerging bridge using piston shoes cooperation three-way jack carry out The construction of slipping and assembling method is completed to slide using hydraulic synchronization sliding system.Beam section is hoisted to sliding starting point, then is slided by jack Move to assembled position.The technology can make beam body position have quite high accuracy, but its applicable operating condition is more single, It is only applicable to the construction of straight beam bridge, cannot achieve the rotation in slip plane, this makes original sliding system for curved beam The precision of construction is difficult to control.Towed arrangement and method for construction is primarily present following problems: 1) pulling precision and be difficult to control: theoretically may be used To be controlled by computer, very big precision problem is had when actually hoist engine pulls.2) construction equipment is complicated: application Computer numerical control technology, hoist engine, drag-line, trolley or piston shoes are slid, and equipment is more, and operational procedure is many and diverse, using and turn It is inconvenient to move.3) deck-molding variation is not adapted to: being placed in beam bottom using trolley or horizontal piston shoes and is slid, does not adapt to deck-molding Variation.
And likewise, the hydraulic sliding construction of push mode is there are the following problems: 1) applicable working condition is single: piston shoes and jack It is relatively unrotatable, it is only applicable to straight line bridge construction, does not adapt to bend sheet-beam construction.2) jack quantity is more, maintenance cost High: the problems such as scheme carries out Construction control using three-way jack at present, and there are oil leaks, maintenance cost is higher.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of suitable for curved beam Beam section slide device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of beam section slide device suitable for curved beam, including be sequentially arranged from top to bottom top cushion cap, jacking it is very heavy Top, midfoot support platform and lower part piston shoes can erected between the midfoot support platform and lower part piston shoes by mating spherical surfaces and the two It is relatively rotated in straight plane, in lower part, the rear end of piston shoes is additionally provided with the piston shoes fixed frame that can be rotated in the horizontal plane, the beam Section slide device further includes carrying out jack and tail piston shoes, wherein the both ends for carrying out jack are rotatablely connected the piston shoes respectively Fixed frame and tail piston shoes.
Further, the fine tuning spherical surface steering wheel of top curved surface spherical in shape is installed, at middle part on the lower part piston shoes Supporting table lower end is machined with the bowl-shape groove with cooperation at the top of the fine tuning spherical surface steering wheel, and by the way that midfoot support platform to be buckled in The two mating spherical surfaces are realized on the piston shoes of lower part.
Further, the lower part piston shoes rear end is additionally provided with the piston shoes steering wheel that can be rotated in the horizontal plane, in cunning The piston shoes fixed frame is fixedly mounted on boots steering wheel.
Further, the implementation jack passes through the pin shaft before the jack that perpendicular rotates and jack end pin Axis is rotatablely connected with piston shoes fixed frame and tail piston shoes respectively.
Further, the bottom of the lower part piston shoes and tail piston shoes be respectively equipped with can be slided on sliding rail it is advancing slip Boots guide pad and tail piston shoes guide pad.
Further, the sliding rail is double rail type guide rail, and the preceding piston shoes guide pad and tail piston shoes guide pad are equal For the wedge structure between insertion double track.
Further, the preceding piston shoes guide pad and tail piston shoes guide pad pass through welding and are separately fixed at lower part piston shoes With the bottom of tail piston shoes.
Further, the beam section slide device further includes the fastener being fixed on the tail piston shoes on sliding rail.
Further, the fastener is to be detachably secured on sliding rail and for resisting tail piston shoes rear end Block.
Further, the implementation jack and jack are the hydraulic jack controlled by computer.
In the present invention, lower part piston shoes and tail piston shoes directly contact rail, and are equipped with guide pad in bottom, convenient for bending rail Road carries out adaptively, and guide pad and piston shoes pass through welded connecting.Flexible sliding of the piston shoes steering wheel realization device on curve.It is micro- Spherical surface steering wheel is adjusted to be responsible for being finely adjusted so that top surface of the beam remains approximate water the cushion cap when superelevation, change deck-molding Flat, structure is similar to spherical bearing.Carry out jack and piston shoes steering wheel to be rotatablely connected by single hinged structure, jack It is connect with fine tuning spherical surface steering wheel by bowl buckle structure mating spherical surfaces, the front and back and fine tuning up and down that the two is each responsible for beam section.Benefit With two jack and synchronization-sliding equipment, the accurate control of entire curve sliding may be implemented.The present invention can when sliding Tail piston shoes are fixed using fixing pieces such as blocks, accurate control carries out jack pushing tow and beam section is slid forward, while two Guide pad, piston shoes steering wheel etc. below piston shoes are adjusted automatically with track curvature.After being slid onto designated position, it is sliding to release tail The fixation and oil return of boots, lower part piston shoes are relatively fixed under beam section Gravitative Loads, so that pushing tow jack bounces back to original state, Mobile block carries out next section of sliding.
Compared with prior art, the invention has the following advantages that
(1) it is turned to by increasing the midfoot support platform that can be turned to and fine tuning spherical surface between lower part piston shoes and jack The spherical engaging structure of disk, meanwhile, in lower part piston shoes and carry out increasing by the piston shoes that can be rotated in the horizontal plane between jack Fixed frame, the automation sliding construction for making it be applicable to become the various workings such as deck-molding, horizontal curve.
(2) be finely adjusted using jack and steering mechanism, slide flexibility and precision improve, it can be achieved that Curved Beam Bridge from Dynamicization construction, industrialization degree are high.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of beam section slide device of the invention;
Fig. 2 is the schematic top plan view of beam section slide device of the invention;
Fig. 3 is the elevational schematic view of beam section slide device of the invention;
Fig. 4 is the left view schematic diagram of beam section slide device of the invention;
Fig. 5 is the right side view of beam section slide device of the invention;
Fig. 6 is the axonometric schematic diagram of beam section slide device of the invention;
Fig. 7 is operation schematic diagram of the present invention on curved sliding rail;
Fig. 8 is the connection schematic diagram for carrying out jack and lower part piston shoes;
Fig. 9 is that the fine tuning spherical surface of beam section slide device turns to the partial schematic diagram of disc portion;
Figure 10 is that the fine tuning spherical surface of beam section slide device turns to the plan view of disc portion;
Figure 11 is the local axonometric schematic diagram of piston shoes steering wheel;
Description of symbols in figure:
The top 1- cushion cap, 2- jack, 3- midfoot support platform, 4- finely tune spherical surface steering wheel, the lower part 5- piston shoes, and 6- is slided Boots steering wheel, 7- piston shoes fixed frame, pin shaft before 8- jack, 9- carry out jack, 10- jack end pin axis, 11- tail piston shoes, Piston shoes guide pad before 12-, 13- tail piston shoes guide pad.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to Following embodiments.
Embodiment 1
A kind of beam section slide device suitable for curved beam, referring to shown in Fig. 1-Fig. 6, including for supporting top bridge subsection Top cushion cap 1, jack 2, midfoot support platform 3, fine tuning spherical surface steering wheel 4, lower part piston shoes 5, piston shoes steering wheel 6, sliding Pin shaft 8, implementation jack 9, jack end pin axis 10, tail piston shoes 11, preceding piston shoes guide pad 12, tail before boots fixed frame 7, jack Piston shoes guide pad 13.
Wherein, preceding piston shoes guide pad 12 is welded in immediately below lower part piston shoes 5, setting fine tuning spherical surface right above lower part piston shoes 5 Steering wheel 4;Fine tuning spherical surface steering wheel 4 is semi-sphere formula structure, and the bottom of midfoot support platform 3 is machined with a bowl formula groove, and matches Conjunction is buckled in 4 top of fine tuning spherical surface steering wheel, and steering structure can be cooperatively formed by finely tuning spherical surface steering wheel 4 and midfoot support platform 3, can fit A variety of directional steerings are answered, referring to shown in Fig. 9 and Figure 10.Jack 2 is set above the midfoot support platform 3 of bowl fastening type, is used for Beam section upper-lower height is adjusted, top cushion cap 1 is fixedly mounted above jack 2.The tail portion (i.e. rear end) of lower part piston shoes 5 is set (composition of two-part structure up and down being rotatably assorted can be used, wherein top in the piston shoes steering wheel 6 that set to rotate in the horizontal plane Separation structure is mounted on lower part piston shoes 5, and piston shoes fixed frame 7 is fixedly installed on upper part-structure), the plane for curve piston shoes turns To (referring to Fig.1 shown in 1), piston shoes fixed frame 7, piston shoes fixed frame 7 and implementation jack is fixedly mounted in the upper end of piston shoes steering wheel 6 9 are rotatablely connected using pin shaft before jack, logical referring again to the tail portion and tail piston shoes 11 for shown in Fig. 1 and Fig. 8, carrying out jack 9 The rotation connection of jack end pin axis 10 is crossed, tail piston shoes guide pad 13 of the welding for steering below tail piston shoes 11.By tail piston shoes 11 Also settable dismountable fixing piece (block for being such as detachably arranged on sliding rail and resisting tail piston shoes) is used for pushing tow Fixation when sliding construction.
Sliding rail in the present embodiment uses double rail type guide rail, and the line style and curvature of sliding rail can be according to being constructed The line style and curvature estimation of curve bridge obtain, and lower part piston shoes 5 and tail piston shoes 11 are sliding by preceding piston shoes guide pad 12 and tail respectively Boots guide pad 13 is placed between double track, and tail piston shoes 11 are fixed on the sliding rail by fixing piece;When construction, bridge subsection It is fixed on top cushion cap 1.
The beam section slide device of the present embodiment is suitable for bridge subsection assembly thrusting slip construction field, is adapted to curved bridge The various workings such as beam and non-uniform beam slide beam section and fill below by taking variable cross-section curve bridge section assembling sliding construction as an example The course of work set is illustrated.
1) design of sliding rail beam is calculated and is made: the line of sliding rail is calculated according to the bridge Alignment Design constructed The parameters such as type, including length of straigh line, length of curve and radius of curvature customize the sliding rail in factory according to calculated result Beam, such as the curve sliding track girder of Fig. 7.
2) erection of sliding rail beam: sliding rail beam is set up according to specific execution conditions, includes but is not limited to set up Lattice bracket sets up sliding rail beam.
3) beam section slide device is in the movement in linear type sliding rail beam: pacifying in corresponding linear type sliding rail beam Fill beam section slide device.Tail piston shoes 11 are fixed in linear type sliding rail beam by fixing piece, preceding piston shoes guide pad 12 and tail Piston shoes guide pad 13 is placed in the two-way guide rails middle on sliding rail beam top, to guarantee the forward direction of pushing tow and guide rail Direction is consistent;When thrusting slip, carries out jack 9 (can be using hydraulic jack etc.) pushing tow and move ahead, control jack 2 It to adjust the vertical height of beam section, while finely tuning spherical surface steering wheel 4 and can rotate fine tuning in upright plane, to adapt to variable cross-section bridge The thrusting slip of segment.After thrusting slip, loosen fixing piece, carries out jack 9 and bounce back, at this point, lower part piston shoes 5 exist Keep relatively fixed under gravity, tail piston shoes 11 are advancing slip along guide rail, after retraction, tail piston shoes fixed again, in case next Secondary thrusting slip.
4) beam section slide device is in the movement in shaped form sliding rail beam: in corresponding shaped form sliding rail beam When (such as Fig. 7) thrusting slip, carries out the control propulsive force pushing tow of jack 9 and move ahead, while beam section is adjusted by jack 2 Vertical height, fine tuning spherical surface steering wheel 4 can rotate fine tuning in upright plane, with adapt to variable cross-section bridge subsection pushing tow cunning It moves.Preceding piston shoes guide pad 12 is wedge structure, can guarantee the steering sliding between curve section guide rail, reduces to collide to rub and make With.When carrying out 9 pushing tow of jack, lower part piston shoes 5 and its upper component can be turned to along guide rail automatically by piston shoes steering wheel 6, with By curved section sliding rail, while finely tuning the rotation that spherical surface steering wheel 4 can make beam section in horizontal plane.One time thrusting slip terminates Afterwards, loosen fixing piece, control carries out jack 9 and bounces back, and tail piston shoes 11 are advancing slip along guide rail, and after retraction, it is sliding to fix tail again Boots, in case thrusting slip next time.
5) realization of bridge subsection fine tuning: for bridge subsection in thrusting slip, segment bottom four, apex angle fixes four The beam section slide device.The fine tuning of so-called bridge subsection exactly makes the beam sections of pushing tow in deflecting, becomes superelevation by jack When beam can be made to remain the local directed complete set parallel and horizontal with guide rail.It is to pass through beam section that beam, which finely tunes concrete implementation, Fine tuning spherical surface steering wheel 4 in slide device.Such as Fig. 9, the mating spherical surfaces that spherical surface steering wheel 4 and midfoot support platform 3 are formed are finely tuned Structure, specific working mode are as follows:
(1) when beam is elapsed to the region got higher, the gravity eccentricity of beam can be generated away from due to the mating spherical surfaces knot of bowl fastening type Structure can fluctuate on spherical surface, when by due to beam be self-possessed eccentricity disturbance when, bowl buckle can automatically up and down adjustment, Until the self weight eccentricity of beam disappears, i.e., beam face is horizontal.This fine-tuning mode of beam is properly termed as " roly-poly type adjustment ".In addition It is noted that getting higher excessive region when beam is shifted onto, when only having been unable to meet vertical adjustment by fine tuning steering wheel, to first pass through 2 coarse adjustment of jack, then by the adaptively adjustment of fine tuning spherical surface steering wheel 4.
(2) when beam elapses on curve track, the turntable of quadrangle is mutually restrained under beam, jointly in the horizontal plane around axis into Each autorotation of row, with the problem of realizing adjustment beam sections direction and moving towards.This fine-tuning mode of beam is referred to train turn When compartment steering operation, referred to as " steering-wheel type adjustment ".Since bowl buckle is 360 degree in the rotation of the horizontal plane of spherical surface, institute Adjustment in this way is adapted to the track of each radius of curvature.
6) bridge subsection can spell in place after above-mentioned thrusting slip technical solution sliding in place according to specific construction operating condition Installation is connect, details are not described herein.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention. Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention Within protection scope.

Claims (10)

1. a kind of beam section slide device suitable for curved beam, which is characterized in that including the top cushion cap being sequentially arranged from top to bottom (1), jack (2), midfoot support platform (3) and lower part piston shoes (5), the midfoot support platform (3) and lower part piston shoes (5) it Between by mating spherical surfaces and the two can relatively rotate in perpendicular, in lower part, be additionally provided with can be in water for the rear end of piston shoes (5) The piston shoes fixed frame (7) of rotation in surface, the beam section slide device further include carrying out jack (9) and tail piston shoes (11), In, the both ends for carrying out jack (9) are rotatablely connected the piston shoes fixed frame (7) and tail piston shoes (11) respectively.
2. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that the lower part is sliding The fine tuning spherical surface steering wheel (4) of top curved surface spherical in shape is installed on boots (5), is machined with and institute in midfoot support platform (3) lower end The bowl-shape groove cooperated at the top of fine tuning spherical surface steering wheel (4) is stated, and by the way that midfoot support platform (3) to be buckled on lower part piston shoes (5) Realize the two mating spherical surfaces.
3. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that the lower part is sliding Boots (5) rear end is additionally provided with the piston shoes steering wheel (6) that can be rotated in the horizontal plane, and institute is fixedly mounted on piston shoes steering wheel (6) State piston shoes fixed frame (7).
4. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that the implementation thousand Jin top (9) by the pin shaft (8) before the jack that perpendicular rotates and jack end pin axis (10) respectively with piston shoes fixed frame (7) it is rotatablely connected with tail piston shoes (11).
5. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that the lower part is sliding The bottom of boots (5) and tail piston shoes (11) is respectively equipped with the preceding piston shoes guide pad (12) that can be slided on sliding rail and tail piston shoes are led To block (13).
6. a kind of beam section slide device suitable for curved beam according to claim 5, which is characterized in that the sliding rail For double rail type guide rail, the preceding piston shoes guide pad (12) and tail piston shoes guide pad (13) are the wedge shape knot being embedded between double track Structure.
7. a kind of beam section slide device suitable for curved beam according to claim 5, which is characterized in that the preceding piston shoes are led The bottom of lower part piston shoes (5) and tail piston shoes (11) is separately fixed at by welding to block (12) and tail piston shoes guide pad (13).
8. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that the beam section sliding Device further includes the fastener being fixed on the tail piston shoes (11) on sliding rail.
9. a kind of beam section slide device suitable for curved beam according to claim 8, which is characterized in that the fastener is It is detachably secured to the block on sliding rail and for resisting tail piston shoes (11) rear end.
10. a kind of beam section slide device suitable for curved beam according to claim 1, which is characterized in that described to carry out thousand Jin top (9) and jack (2) are the hydraulic jack controlled by computer.
CN201811427336.0A 2018-11-27 2018-11-27 Beam section sliding device suitable for curved beam Active CN109594476B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110644377A (en) * 2019-09-30 2020-01-03 中铁二院工程集团有限责任公司 Roller type beam body pushing construction device
CN111472281A (en) * 2020-04-23 2020-07-31 中铁二十二局集团第二工程有限公司 Pushing walking system

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Publication number Priority date Publication date Assignee Title
DE2633797A1 (en) * 1976-07-28 1978-02-02 Egon Forstner Civil engineering load handling machine - has winch driving ropes suspending load and attached to rear to thrust it forward
DE4306040A1 (en) * 1993-02-26 1994-09-01 Walter Dipl Ing Komm Method and device for transverse displacement of bridge construction elements produced with a camber
CN104989114A (en) * 2015-07-15 2015-10-21 上海绿地建设(集团)有限公司 Sliding construction device and method for large-span arc-shaped roof
CN106065574A (en) * 2016-06-17 2016-11-02 柳州黔桥工程材料有限公司 Stride incremental launching construction crosses the method for jigsaw
CN205894717U (en) * 2016-08-12 2017-01-18 河北建工集团有限责任公司 Space truss structure accumulation sliding system
CN206070386U (en) * 2016-09-20 2017-04-05 江苏京沪重工有限公司 A kind of sliding pushing tow system for bridge steel structural unit
CN108560429A (en) * 2017-09-18 2018-09-21 贵州路桥集团有限公司 Stride thrustor and pushing method
CN207933903U (en) * 2018-03-12 2018-10-02 中交第二航务工程局有限公司 The slipping-shoe device of box girder with variable cross section pushing tow

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633797A1 (en) * 1976-07-28 1978-02-02 Egon Forstner Civil engineering load handling machine - has winch driving ropes suspending load and attached to rear to thrust it forward
DE4306040A1 (en) * 1993-02-26 1994-09-01 Walter Dipl Ing Komm Method and device for transverse displacement of bridge construction elements produced with a camber
CN104989114A (en) * 2015-07-15 2015-10-21 上海绿地建设(集团)有限公司 Sliding construction device and method for large-span arc-shaped roof
CN106065574A (en) * 2016-06-17 2016-11-02 柳州黔桥工程材料有限公司 Stride incremental launching construction crosses the method for jigsaw
CN205894717U (en) * 2016-08-12 2017-01-18 河北建工集团有限责任公司 Space truss structure accumulation sliding system
CN206070386U (en) * 2016-09-20 2017-04-05 江苏京沪重工有限公司 A kind of sliding pushing tow system for bridge steel structural unit
CN108560429A (en) * 2017-09-18 2018-09-21 贵州路桥集团有限公司 Stride thrustor and pushing method
CN207933903U (en) * 2018-03-12 2018-10-02 中交第二航务工程局有限公司 The slipping-shoe device of box girder with variable cross section pushing tow

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110644377A (en) * 2019-09-30 2020-01-03 中铁二院工程集团有限责任公司 Roller type beam body pushing construction device
CN111472281A (en) * 2020-04-23 2020-07-31 中铁二十二局集团第二工程有限公司 Pushing walking system

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