CN105239514A - Stepless-adjustment ball-hinge type multi-support-leg forward transverse shifting track system of bridge girder erection machine - Google Patents

Stepless-adjustment ball-hinge type multi-support-leg forward transverse shifting track system of bridge girder erection machine Download PDF

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Publication number
CN105239514A
CN105239514A CN201510706758.1A CN201510706758A CN105239514A CN 105239514 A CN105239514 A CN 105239514A CN 201510706758 A CN201510706758 A CN 201510706758A CN 105239514 A CN105239514 A CN 105239514A
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China
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moving track
screw rod
bridge erector
adjustment screw
cross moving
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CN201510706758.1A
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CN105239514B (en
Inventor
张坤球
施炳前
姚青云
韦大川
张勇
唐双美
黎卓勤
周恩宪
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Guangxi Mingjia Steel Structure Engineering Co Ltd
Guangxi Road Construction Engineering Group Co Ltd
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Guangxi Mingjia Steel Structure Engineering Co Ltd
Guangxi Road Construction Engineering Group Co Ltd
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Priority to CN201510706758.1A priority Critical patent/CN105239514B/en
Publication of CN105239514A publication Critical patent/CN105239514A/en
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Publication of CN105239514B publication Critical patent/CN105239514B/en
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Abstract

The invention relates to a stepless-adjustment ball-hinge type multi-support-leg forward transverse shifting track system of a bridge girder erection machine. The track system comprises a forward transverse shifting track of the bridge girder erection machine. The track system is characterized in that a plurality of components are fixedly mounted at the lower end surface of the forward transverse shifting track of the bridge girder erection machine; the number of the components is determined through the length of the forward transverse shifting track of the bridge girder erection machine or the stress change of the forward transverse shifting track of the bridge girder erection machine; the components are arrayed at intervals each other; the components comprise bearing accessories, adjusting devices and an anti-incline base; the adjusting devices are used for stepless adjustment in the vertical direction, so that the forward transverse shifting track of the bridge girder erection machine is kept horizontal. According to the track system disclosed by the invention, a standardized structure can be formed. Compared with a conventional track formed by stacked railway sleepers, the track system disclosed by the invention needs a short disassembly time; when the forward transverse shifting track system of the bridge girder erection machine is assembled or disassembled, onerous operation is omitted; besides, the forward transverse shifting track system of the bridge girder erection machine is safe and firm, and the number of parts is significantly reduced, so that materials are saved, the cost is reduced, and the track system can be repeatedly used. The track system disclosed by the invention has remarkable superiority in safety, is environmental-friendly, saving and convenient.

Description

Cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style
Technical field
The present invention relates to a kind of substitute traditional sleeper type Bridge Erector before brand-new employing multi-point stepless adjusting screw supporting leg, ball pivot and the neoprene bearing of cross moving track make cross moving track system before the integrated Bridge Erector of pad.
Background technology
In recent years, highway in China infrastructure development is rapid, a large amount of highway is high-grade highway hot work in progress or Program Construction particularly, in order to shorten highway mileage, increase the straight degree of shape, ensure the road speed of highway, safety and comfortableness, Road Design adopts a large amount of bridges to cross over cheuch, river, and the bridge of the overwhelming majority adopts concentration pre-casting to be transported to the method for erected on site installation again, to ensure the construction quality of bridge.This type of bridge also overwhelming majority adopts double guide beam bridge erecting machine erection.
Before double guide beam bridge erecting machine, cross moving track is placed on the pier cap beam of front, and its lower mat structure is Bridge Erector Out-body form, but effect is very crucial.The overwhelming majority of mat structure adopts short sleeper (or lumps of wood) cross stratification pile cubic buttress in length and breadth on bent cap, buttress is arranged with certain lateral separation, when there is horizontal wall inscription in bent cap, each sleeper buttress adopts the process of special-shaped thickness sleeper to make elevation of top surface identical, cross moving track pillow top level.When the bent cap that horizontal wall inscription is large is settled cross moving track, the sleeper buttress that bent cap downside needs stacks as high very large.Due to sleeper buttress globality, poor stability, large height buttress more very.When setting a roof beam in place, sleeper buttress is easily because bearing strength is not enough or poor stability, buttress fall apart from etc. reason damage, collapse, thus cause Bridge Erector collapse accident, the whole country is not in case.On the other hand, adopt sleeper buttress to make cross moving track supporting construction before Bridge Erector, structure nonstandardized technique, there is very large human factor and hidden danger in the stacking quality of sleeper, and stacking speed is slow.When bridge installs one across when carrying out next again across installation, need each sleeper buttress to break, be carried to next bent cap stacking pile again, work length consuming time.In sum, the traditional method of cross moving track before employing sleeper buttress supporting Bridge Erector, poor stability, inefficiency, method falls behind.
In prior art, sleeper buttress is difficult to carry out standardization, there is stacking lack of standardization, the defect such as safety is not enough, do mechanization operation degree is low, job schedule is slow, operating expenses is large.The present invention carries out innovation to the shortcoming of prior art and improves, and solves the defect had in prior art.
Summary of the invention
The object of this invention is to provide a kind of specification for structure, safety is good, and do mechanization operation degree is high, the feature of environmental protection is good, and operation is simple, and job schedule is fast, operating expenses is little, and operation is convenient and swift, cross moving track system before the branched leg Bridge Erector of structural safety reliable step-less adjustment ball-and-socket hinge style.
Cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Carry out stepless changing by adjusting device at vertical direction, make cross moving track maintenance level on the bent cap of different horizontal wall inscription before Bridge Erector.
Described bearing appendix comprises bearing cross beam combination steel construction, pressure-bearing steel plate and two symmetrical adjustment screw rods installed; Bearing cross beam combination steel construction to be fixedly mounted on before Bridge Erector between cross moving track and pressure-bearing steel plate; Pressure-bearing Interal fixation is arranged on below bearing cross beam combination steel construction; Adjustment screw rod symmetry is installed on cross moving track both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod and the nut of two symmetrical installations, and described nut is fixedly mounted on below pressure-bearing steel plate, and it is matched in adjustment screw rod, and adjustment screw rod lower end is provided with convex shaped arc face steel ball head; Can by adjusting up and down adjustment screw rod, thus cross moving track step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is the mechanism that adjustment screw rod lower end is provided with ball pivot concave arc surface steel construction and convex shaped arc face steel ball head and works in coordination, and is arranged on support plate; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work is fixedly installed on left-hand thread steel plate; Described support plate and left-hand thread steel plate are bolted to connection; Described left-hand thread steel plate is provided with left-hand thread groove.
Described bearing cross beam combination steel construction is provided with two symmetrical pilot sleeves; Its axis of described pilot sleeve is consistent with adjustment screw axis; The described spacing of bearing cross beam combination steel construction below front cross moving track is 60cm ~ 90cm; The framework of described bearing cross beam combination steel construction adopts any one in shaped steel welding or steel plate butt welding.
Described adjustment spiro rod length is 80cm ~ 150cm; Described adjustment screw rod adopts any one making in rod iron or steel pipe;
The lower end sidewall of described adjustment screw rod is provided with suspension ring; Described concave circular arcs face steel work is provided with suspension ring; Adjustment screw rod is fixedly connected with by the oblique pull lanyard on suspension ring with concave circular arcs face steel work.
Described pressure-bearing steel plate bottom surface is provided with junction steel plate of putting more energy into.
Before the branched leg Bridge Erector of described step-less adjustment ball-and-socket hinge style, cross moving track system can adapt to the bent cap that the horizontal wall inscription gradient is 1% ~ 7%.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, the single supporting leg of cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate selects any one in the rubber tile of certain elasticity and intensity or plastic plate.
Before described Bridge Erector, cross moving track lower surface is installed with several components, and this component just forms the branched leg of this system.
Construction Principle of the present invention and method:
1, repeatedly use can be had enough to meet the need for realizing the present invention, neoprene bearing and left-hand thread steel plate are bolted, remaining part is inner by being welded to connect, when adopting welding, should guarantee that junction intensity meets construction safety requirement, not at work progress Fracture (cracking), before particularly bearing cross beam combines steel construction and Bridge Erector, cross moving track must firm welding.Adjustment screw rod bottom is provided with convex shaped arc face steel ball head, and form ball pivot support with the concave circular arcs face steel work below it, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap there is different horizontal wall inscriptions, ensure that adjustment screw rod and below concave circular arcs steel construction contact surface remain close contact, do not produce space and concentration of local is stressed, prevent the super-strength of structure from destroying, play the effect of good transmission vertical load, additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction, convex shaped arc face steel ball head can be made to be in all the time in pit under different bent cap horizontal wall inscription conditions, prevent from convex shaped arc face steel ball head from skidding off outside pit reliably to damage.
2, each parts are processed by drawing; If first spelling becomes an entirety, institute takes up space large, and in transportation, be unfavorable for the protection of double thread pair.So be divided into three parts during the production and transport of cross moving track system before the branched leg Bridge Erector of whole step-less adjustment ball-and-socket hinge style: support plate, left-hand thread steel plate, the processing of concave circular arcs face steel work are assembled into base member; The convex shaped arc face welding for steel structure of adjustment screw rod and lower end thereof forms screw part; Track component is formed below cross moving track before the combination of nut, pressure-bearing steel plate, bearing cross beam steel construction, pilot sleeve, junction steel plate of putting more energy into are welded on Bridge Erector after being welded into entirety at a certain distance.During in a upper building site to the long-distance transhipment in next building site, be the damage increasing bicycle freight volume, increase conevying efficiency, reduce cost of transportation, avoid each parts, each parts elder generation is not assembled, assembled again after being separately transported to job site.
3, use lifting appliance to assist at the construction field (site), select the adjustment screw rod of appropriate length according to the size of bent cap horizontal wall inscription and width, within the scope of lifting appliance operating radius, the present invention is assembled into one nearby, and installed and be fixed on front outrigger for bridge girder erection machine.
4, concrete prefabricated beam is lifted, Bridge Erector is taken front leg strut and front cross moving track system and is moved and move forward to assigned position, fall front leg strut to assigned position, take off oblique pull lanyard, each adjustment screw rod is regulated to make the present invention contact gapless with bent cap, and cross moving track level before making Bridge Erector, ensure simultaneously every root adjustment screw rod lower end convex shaped arc face steel ball head with between the steel work of concave circular arcs face during ball pivot arc surface contact gapless, then carry out the lifting of concrete prefabricated beam.
5, the concrete prefabricated beam of Bridge Erector transverse shifting same amphi-position all the other of lifting.
6, load onto the oblique pull lanyard between screw rod and concave circular arcs face steel work upper lift ring and strain, adjustment screw part is fixedly connected with base member, and shape being in aggregates.
7, repeat step 4, erection that step 5, step 6 complete the concrete prefabricated beam on whole bridge.
8, concrete prefabricated erection complete after, take off oblique pull lanyard, unload base member, back out adjustment screw part, unload front cross moving track parts from front outrigger for bridge girder erection machine, classification and Bridge Erector are transported to next construction site, transport stacking field back and store classifiedly when wouldn't use.
The advantage that the present invention has is:
1, before the present invention utilizes Bridge Erector, the branched leg model of cross moving track, bearing cross beam combination steel construction, nut, adjustment screw rod composition has very strong vertical bearing capacity and rigidity, many leg structures also have very strong stability and safety simultaneously, replace sleeper buttress with the steel work of new type, the feature of environmental protection is good.
2, the present invention utilizes the spherical hinge structure utilizing concave circular arcs face steel work, convex shaped arc face steel ball head group to become between adjustment screw rod and left-hand thread steel plate to connect, utilize the adjustment screw rod of some length specifications, utilization adjustment screw rod, nut regulate proper height can be adapted to the bent cap of different horizontal wall inscription, can reuse, cost saving, economic environmental protection, and safety of structure is high, construct convenient, efficiency is high.
3, support base of the present invention is set to support plate, makes adjacent legs in horizontal certain limit jointly share load, improves supporting capacity and the safety of whole front cross moving track system.
4, nut in the present invention, pressure-bearing steel plate, nut and top pressure-bearing steel plate are put more energy into junction steel plate, before Bridge Erector, cross moving track bearing cross beam combination steel construction is welded into an integrated bearing structure by drawing after machining respectively, integrated bearing structure to be welded on below front cross moving track with suitable spacing by drawing and to form track component, support plate, left-hand thread steel plate, concave circular arcs face Steel Structure Installation all-in-one-piece base member, convex shaped arc face steel ball head, the screw part that adjustment screw rod is integrally welded, track component, base member, screw part is transported to recombinant behind job site, not only facilitate, and can man-hour be saved, raise the efficiency.
5, after the present invention installs at the scene, when needs go to next bent cap, to be connected by suspension ring, oblique pull lanyard and left-hand thread steel plate and adjustment screw rod will be linked together, before making whole Bridge Erector, a cross moving track system becomes an entirety, then be fixed on front outrigger for bridge girder erection machine, realize Integral lifting during construction to next bent cap installation position, do not need dispersion carrying to install again, saving of work and time.
6, the present invention is when needs are transported, and removes oblique pull lanyard, unloads lower bottom base, turn on adjustment screw rod, is transported to next use building site respectively, can transports back and stack field, be beneficial to storage and managenent, be beneficial to structural defence when temporarily not using by parts.
7, energy standardized structural of the present invention, when installing at the construction field (site), efficiency of construction can be improved significantly, accelerating construction progress, compare with traditional sleeper stacking dismounting time, the assembling and disassembling time can be greatly reduced, simultaneously can well before Bridge Erector the safety of cross moving track firm, and the quantity of component is significantly reduced, save material, reduce cost, before this Bridge Erector, cross moving track system assembles is removed and is saved heavy operation, and repeatedly can have enough to meet the need use.Safety, saving, convenient in there is significant advantage.
Accompanying drawing explanation
Fig. 1 is the A-A cross-sectional configuration schematic diagram of Fig. 2.
Fig. 2 is that before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, cross moving track system uses schematic diagram when constructing.
Fig. 3 is the left TV structure schematic diagram of Fig. 1.
Fig. 4 is the plan structure schematic diagram of Fig. 1.
Fig. 5 is the B-B section structure schematic diagram of Fig. 1.
Fig. 6 is the C-C section structure schematic diagram of Fig. 1.
Fig. 7 is bearing cross beam combination steel construction plan structure schematic diagram.
In figure, component names and sequence number are: support plate 1, left-hand thread steel plate 2, concave circular arcs face steel construction 3, convex shaped arc face steel ball head 4, adjustment screw rod 5, nut 6, pressure-bearing steel plate 7, junction steel plate 8 of putting more energy into, bearing cross beam combination steel construction 9, suspension ring 10, oblique pull lanyard 11, bolt 12, cross moving track 13 before Bridge Erector, bent cap 14, pilot sleeve 15.
Detailed description of the invention
Embodiment one:
Referring to Fig. 1,2,3,4,5,6, shown in 7, cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track 13 before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track 13 lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Cross moving track system before the branched leg Bridge Erector of overall formation step-less adjustment ball-and-socket hinge style; This system carries out step-less adjustment to each adjustment screw rod 5 at vertical direction respectively, makes cross moving track 13 maintenance level on the bent cap 14 of different horizontal wall inscription before Bridge Erector, and plays the effect supporting Bridge Erector front-end structure.
Described bearing appendix comprises bearing cross beam combination steel construction 9, pressure-bearing steel plate 7 and two symmetrical adjustment screw rods 5 installed; Bearing cross beam combination steel construction 9 to be fixedly mounted on before Bridge Erector between cross moving track 13 and pressure-bearing steel plate 7; Pressure-bearing steel plate 7 is fixedly mounted on below bearing cross beam combination steel construction 9; Adjustment screw rod 5 symmetry is installed on cross moving track 13 both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod 5 and the nut 6 of two symmetrical installations, and described nut 6 is fixedly mounted on below pressure-bearing steel plate 7, and it is matched in adjustment screw rod 5, and adjustment screw rod 5 lower end is provided with convex shaped arc face steel ball head 4; Can pass through to adjust adjustment screw rod about 5, thus cross moving track 13 step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is that adjustment screw rod 5 lower end is provided with ball pivot concave arc surface steel construction 3 and convex shaped arc face steel ball 4 mechanisms worked in coordination, and is arranged on support plate 1; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work 3 is fixedly installed on left-hand thread steel plate 2; Described support plate 1 is fixedly connected with by bolt 12 with left-hand thread steel plate 2; Described left-hand thread steel plate 2 is provided with left-hand thread groove.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15; Described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis;
The described spacing of bearing cross beam combination steel construction 9 on front cross moving track 13 is 90cm; Described bearing cross beam combination steel construction 9 framework can adopt shaped steel to weld.
Described pressure-bearing steel plate 7 bottom surface is provided with junction steel plate 8 of putting more energy into, and can increase bearing strength.
Described bent cap 14, the horizontal wall inscription gradient is 1%, and transverse width is 8.5m.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, the single supporting leg of cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate 1 can select the rubber tile of certain elasticity and intensity.
Before described Bridge Erector, cross moving track 13 is one branched indeterminate continuous beam of multispan.
When before described support plate 1 can make Bridge Erector, cross moving track 13 flatcar rail wheel travels above a certain fulcrum, there is suitable decrement (deflection), the load of flatcar to cross moving track before Bridge Erector 13 beam can be passed in the neighboring devices of horizontal certain limit, jointly share load, increase supporting capacity and the safety of cross moving track beam 13 before Bridge Erector; In addition, between support plate 1 and pier cap beam 14 top of concrete, there are the stronger coefficient of friction resistance and frictional resistance, pier cap beam 14 end face that before preventing Bridge Erector, cross moving track system exists horizontal wall inscription can be played and produce Surface active component.
Described left-hand thread steel plate 2 is provided with left-hand thread groove, can limit left-hand thread groove and all around slide on support plate 1, thus also plays and prevent from single unit system from there is the reason such as horizontal wall inscription because of pier cap beam 14 producing Surface active component; Be connected by bolt 12 between left-hand thread groove with support plate 1, when integral hoisting can be made to be shifted, support plate 1 does not depart from, drops.
Described adjustment screw rod 5 length is 80cm ~ 150cm; Described adjustment screw rod 5 bottom is provided with convex shaped arc face steel ball head 4; Adjustment screw rod 5 forms ball pivot by convex shaped arc face steel ball head 4 and concave circular arcs face steel construction and supports, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap 14 there is different horizontal wall inscriptions, adjustment screw rod 5 keeps close contact with below concave circular arcs steel construction 3 all the time, do not produce space and concentration of local is stressed, prevent structure from being destroyed by super-strength, play the effect of good transmission vertical load; Additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction 3, convex shaped arc face steel ball head 4 can be made to be in all the time in pit under bent cap 14 condition of different horizontal wall inscription, to prevent convex shaped arc face steel ball head 4 from skidding off outside pit reliably and damage; Concave circular arcs face steel construction 3 is fixedly connected with left-hand thread steel plate 2, can guarantee monolithic stability.
Described nut 6 is matched in adjustment screw rod 5, can play the effect of step-less adjustment height; By regulating adjustment screw rod 5, before making Bridge Erector, cross moving track 13 can be in level at different bent cap 14 horizontal wall inscription condition lower railway, meets the requirement of Bridge Erector duty; Nut 6 and adjustment screw rod 5 all have high strength, high tenacity; Enough safe bearing load coefficients can be ensured.Adjustment screw rod 5 is provided with suitable adjustable-length, to ensure the bent cap 14 of applicable different horizontal wall inscription; Adjustment screw rod 5 can adopt rod iron, adopts during rod iron and directly lower end is manufactured convex shaped arc face steel ball head 4; Improve the portability of construction.
Described nut 6 top is provided with pressure-bearing steel plate 7, opens circular hole in the middle part of pressure-bearing steel plate 7, and Circularhole diameter is consistent with the large footpath of nut 6.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15, and described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis; The thick walled steel tube that one section of internal diameter is consistent with the large footpath of adjustment screw rod 5 is set, both can lengthens the height of whole outer tube, can lead to adjustment screw rod 5 again, strengthen the lateral stability of single unit system simultaneously.
Described several bearing cross beams combination steel construction determines required number according to the stressed size of cross moving track 13 before horizontal wall inscription width and Bridge Erector, and suitable spacing is set, several bearing cross beams combination steel construction 9 is installed on cross moving track 13 lower surface before Bridge Erector, fix pressure-bearing steel plate 7 successively again, hold-down nut 6, cover upward adjustment screw 5, the bottom of adjustment screw rod 5 is carried out ball pivot with concave circular arcs face steel work 3 and is connected, secondly step-less adjustment is carried out to adjustment screw rod 5, make cross moving track 13 maintenance level before the Bridge Erector in whole system, again by the oblique pull lanyard 11 on suspension ring 10, adjustment screw rod 5 is connected with concave circular arcs face steel work 3, and bottom concave circular arcs face steel work 3 connect be supporting seat part, thus whole system entirety can be hung and move, avoid and occur departing from, the phenomenon dropped.
Embodiment two:
Referring to Fig. 1,2,3,4,5,6, shown in 7, cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track 13 before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track 13 lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Cross moving track system before the branched leg Bridge Erector of overall formation step-less adjustment ball-and-socket hinge style; This system carries out step-less adjustment to each adjustment screw rod 5 at vertical direction respectively, makes cross moving track 13 maintenance level on the bent cap 14 of different horizontal wall inscription before Bridge Erector, and plays the effect supporting Bridge Erector front-end structure.
Described bearing appendix comprises bearing cross beam combination steel construction 9, pressure-bearing steel plate 7 and two symmetrical adjustment screw rods 5 installed; Bearing cross beam combination steel construction 9 to be fixedly mounted on before Bridge Erector between cross moving track 13 and pressure-bearing steel plate 7; Pressure-bearing steel plate 7 is fixedly mounted on below bearing cross beam combination steel construction 9; Adjustment screw rod 5 symmetry is installed on cross moving track 13 both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod 5 and the nut 6 of two symmetrical installations, and described nut 6 is fixedly mounted on below pressure-bearing steel plate 7, and it is matched in adjustment screw rod 5, and adjustment screw rod 5 lower end is provided with convex shaped arc face steel ball head 4; Can pass through to adjust adjustment screw rod about 5, thus cross moving track 13 step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is that adjustment screw rod 5 lower end is provided with ball pivot concave arc surface steel construction 3 and convex shaped arc face steel ball 4 mechanisms worked in coordination, and is arranged on support plate 1; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work 3 is fixedly installed on left-hand thread steel plate 2; Described support plate 1 is fixedly connected with by bolt 12 with left-hand thread steel plate 2; Described left-hand thread steel plate 2 is provided with left-hand thread groove.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15; Described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis;
The described spacing of bearing cross beam combination steel construction 9 on front cross moving track 13 is 80cm; Described bearing cross beam combination steel construction 9 framework can adopt shaped steel to weld.
Described pressure-bearing steel plate 7 bottom surface is provided with junction steel plate 8 of putting more energy into, and can increase bearing strength.
Described bent cap 14, the horizontal wall inscription gradient is 3%, and transverse width is 12m.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, the single supporting leg of cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate 1 can select rubber tile or the plastic plate of certain elasticity and intensity.
Before described Bridge Erector, cross moving track 13 is one branched indeterminate continuous beam of multispan.
When before described support plate 1 can make Bridge Erector, cross moving track 13 flatcar rail wheel travels above a certain fulcrum, there is suitable decrement (deflection), the load of flatcar to cross moving track before Bridge Erector 13 beam can be passed in the neighboring devices of horizontal certain limit, jointly share load, increase supporting capacity and the safety of cross moving track beam 13 before Bridge Erector; In addition, between support plate 1 and pier cap beam 14 top of concrete, there are the stronger coefficient of friction resistance and frictional resistance, pier cap beam 14 end face that before preventing Bridge Erector, cross moving track system exists horizontal wall inscription can be played and produce Surface active component.
Described left-hand thread steel plate 2 is provided with left-hand thread groove, can limit left-hand thread groove and all around slide on support plate 1, thus also plays and prevent from single unit system from there is the reason such as horizontal wall inscription because of pier cap beam 14 producing Surface active component; Be connected by bolt 12 between left-hand thread groove with support plate 1, when integral hoisting can be made to be shifted, support plate 1 does not depart from, drops.
Described adjustment screw rod 5 length is 80cm ~ 150cm; Described adjustment screw rod 5 bottom is provided with convex shaped arc face steel ball head 4; Adjustment screw rod 5 forms ball pivot by convex shaped arc face steel ball head 4 and concave circular arcs face steel construction and supports, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap 14 there is different horizontal wall inscriptions, adjustment screw rod 5 keeps close contact with below concave circular arcs steel construction 3 all the time, do not produce space and concentration of local is stressed, prevent structure from being destroyed by super-strength, play the effect of good transmission vertical load; Additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction 3, convex shaped arc face steel ball head 4 can be made to be in all the time in pit under bent cap 14 condition of different horizontal wall inscription, to prevent convex shaped arc face steel ball head 4 from skidding off outside pit reliably and damage; Concave circular arcs face steel construction 3 is fixedly connected with left-hand thread steel plate 2, can guarantee monolithic stability.
Described nut 6 is matched in adjustment screw rod 5, can play the effect of step-less adjustment height; By regulating adjustment screw rod 5, before making Bridge Erector, cross moving track 13 can be in level at the bent cap 14 condition lower railway of different horizontal wall inscription, meets the requirement of Bridge Erector duty; Nut 6 and adjustment screw rod 5 all have high strength, high tenacity; Enough safe bearing load coefficients can be ensured.Adjustment screw rod 5 is provided with suitable adjustable-length, to ensure the bent cap 14 of applicable different horizontal wall inscription; Adjustment screw rod 5 can adopt steel pipe manufacturing, when adopting steel pipe manufacturing, then welds together after needing to process convex shaped arc face steel ball head 4 in addition again; Improve the portability of construction.
Described nut 6 top is provided with pressure-bearing steel plate 7, opens circular hole in the middle part of pressure-bearing steel plate 7, and Circularhole diameter is consistent with the large footpath of nut 6.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15, and described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis; The thick walled steel tube that one section of internal diameter is consistent with the large footpath of adjustment screw rod 5 is set, both can lengthens the height of whole outer tube, can lead to adjustment screw rod 5 again, strengthen the lateral stability of single unit system simultaneously.
Described several bearing cross beams combination steel construction determines required number according to the stressed size of cross moving track 13 before horizontal wall inscription width and Bridge Erector, and suitable spacing is set, several bearing cross beams combination steel construction 9 is installed on cross moving track 13 lower surface before Bridge Erector, fix pressure-bearing steel plate 7 successively again, hold-down nut 6, cover upward adjustment screw 5, the bottom of adjustment screw rod 5 is carried out ball pivot with concave circular arcs face steel work 3 and is connected, secondly step-less adjustment is carried out to adjustment screw rod 5, make cross moving track 13 maintenance level before the Bridge Erector in whole system, again by the oblique pull lanyard 11 on suspension ring 10, adjustment screw rod 5 is connected with concave circular arcs face steel work 3, and bottom concave circular arcs face steel work 3 connect be supporting seat part, thus whole system entirety can be hung and move, avoid and occur departing from, the phenomenon dropped.
Embodiment three:
Referring to Fig. 1,2,3,4,5,6, shown in 7, cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track 13 before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track 13 lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Cross moving track system before the branched leg Bridge Erector of overall formation step-less adjustment ball-and-socket hinge style; This system carries out step-less adjustment to each adjustment screw rod 5 at vertical direction respectively, makes cross moving track 13 maintenance level on the bent cap 14 of different horizontal wall inscription before Bridge Erector, and plays the effect supporting Bridge Erector front-end structure.
Described bearing appendix comprises bearing cross beam combination steel construction 9, pressure-bearing steel plate 7 and two symmetrical adjustment screw rods 5 installed; Bearing cross beam combination steel construction 9 to be fixedly mounted on before Bridge Erector between cross moving track 13 and pressure-bearing steel plate 7; Pressure-bearing steel plate 7 is fixedly mounted on below bearing cross beam combination steel construction 9; Adjustment screw rod 5 symmetry is installed on cross moving track 13 both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod 5 and the nut 6 of two symmetrical installations, and described nut 6 is fixedly mounted on below pressure-bearing steel plate 7, and it is matched in adjustment screw rod 5, and adjustment screw rod 5 lower end is provided with convex shaped arc face steel ball head 4; Can pass through to adjust adjustment screw rod about 5, thus cross moving track 13 step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is that adjustment screw rod 5 lower end is provided with ball pivot concave arc surface steel construction 3 and convex shaped arc face steel ball 4 mechanisms worked in coordination, and is arranged on support plate 1; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work 3 is fixedly installed on left-hand thread steel plate 2; Described support plate 1 is fixedly connected with by bolt 12 with left-hand thread steel plate 2; Described left-hand thread steel plate 2 is provided with left-hand thread groove.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15; Described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis;
The spacing of described bearing cross beam combination steel construction 9 on front cross moving track 13 can adopt shaped steel to weld for the bearing cross beam described in 80cm combines steel construction 9 framework.
Described pressure-bearing steel plate 7 bottom surface is provided with junction steel plate 8 of putting more energy into, and can increase bearing strength.
Described bent cap 14, the horizontal wall inscription gradient is 4%, and transverse width is 14m.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate 1 can select rubber tile or the plastic plate of certain elasticity and intensity.
Before described Bridge Erector, cross moving track 13 is one branched indeterminate continuous beam of multispan.
When before described support plate 1 can make Bridge Erector, cross moving track 13 flatcar rail wheel travels above a certain fulcrum, there is suitable decrement (deflection), the load of flatcar to cross moving track before Bridge Erector 13 beam can be passed in the neighboring devices of horizontal certain limit, jointly share load, increase supporting capacity and the safety of cross moving track beam 13 before Bridge Erector; In addition, between support plate 1 and pier cap beam 14 top of concrete, there are the stronger coefficient of friction resistance and frictional resistance, pier cap beam 14 end face that before preventing Bridge Erector, cross moving track system exists horizontal wall inscription can be played and produce Surface active component.
Described left-hand thread steel plate 2 is provided with left-hand thread groove, can limit left-hand thread groove and all around slide on support plate 1, thus also plays and prevent from single unit system from there is the reason such as horizontal wall inscription because of pier cap beam 14 producing Surface active component; Be connected by bolt 12 between left-hand thread groove with support plate 1, when integral hoisting can be made to be shifted, support plate 1 does not depart from, drops.
Described adjustment screw rod 5 length is 80cm ~ 150cm; Described adjustment screw rod 5 bottom is provided with convex shaped arc face steel ball head 4; Adjustment screw rod 5 forms ball pivot by convex shaped arc face steel ball head 4 and concave circular arcs face steel construction and supports, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap 14 there is different horizontal wall inscriptions, adjustment screw rod 5 keeps close contact with below concave circular arcs steel construction 3 all the time, do not produce space and concentration of local is stressed, prevent structure from being destroyed by super-strength, play the effect of good transmission vertical load; Additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction 3, convex shaped arc face steel ball head 4 can be made to be in all the time in pit under bent cap 14 condition of different horizontal wall inscription, to prevent convex shaped arc face steel ball head 4 from skidding off outside pit reliably and damage; Concave circular arcs face steel construction 3 is fixedly connected with left-hand thread steel plate 2, can guarantee monolithic stability.
Described nut 6 is matched in adjustment screw rod 5, can play the effect of step-less adjustment height; By regulating adjustment screw rod 5, before making Bridge Erector, cross moving track 13 can be in level at different bent cap 14 horizontal wall inscription condition lower railway, meets the requirement of Bridge Erector duty; Nut 6 and adjustment screw rod 5 all have high strength, high tenacity; Enough safe bearing load coefficients can be ensured.Adjustment screw rod 5 is provided with suitable adjustable-length, to ensure the bent cap 14 of applicable different horizontal wall inscription; Adjustment screw rod 5 can adopt rod iron, adopts during rod iron and directly lower end is manufactured convex shaped arc face steel ball head 4; Improve the portability of construction.
Described nut 6 top is provided with pressure-bearing steel plate 7, opens circular hole in the middle part of pressure-bearing steel plate 7, and Circularhole diameter is consistent with the large footpath of nut 6.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15, and described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis; The thick walled steel tube that one section of internal diameter is consistent with the large footpath of adjustment screw rod 5 is set, both can lengthens the height of whole outer tube, can lead to adjustment screw rod 5 again, strengthen the lateral stability of single unit system simultaneously.
Described several bearing cross beams combination steel construction determines required number according to the stressed size of cross moving track 13 before horizontal wall inscription width and Bridge Erector, and suitable spacing is set, several bearing cross beams combination steel construction 9 is installed on cross moving track 13 lower surface before Bridge Erector, fix pressure-bearing steel plate 7 successively again, hold-down nut 6, cover upward adjustment screw 5, the bottom of adjustment screw rod 5 is carried out ball pivot with concave circular arcs face steel work 3 and is connected, secondly step-less adjustment is carried out to adjustment screw rod 5, make cross moving track 13 maintenance level before the Bridge Erector in whole system, again by the oblique pull lanyard 11 on suspension ring 10, adjustment screw rod 5 is connected with concave circular arcs face steel work 3, and bottom concave circular arcs face steel work 3 connect be supporting seat part, thus whole system entirety can be hung and move, avoid and occur departing from, the phenomenon dropped.
Embodiment four:
Referring to Fig. 1,2,3,4,5,6, shown in 7, cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track 13 before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track 13 lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Cross moving track system before the branched leg Bridge Erector of overall formation step-less adjustment ball-and-socket hinge style; This system carries out step-less adjustment to each adjustment screw rod 5 at vertical direction respectively, makes cross moving track 13 maintenance level on the bent cap 14 of different horizontal wall inscription before Bridge Erector, and plays the effect supporting Bridge Erector front-end structure.
Described bearing appendix comprises bearing cross beam combination steel construction 9, pressure-bearing steel plate 7 and two symmetrical adjustment screw rods 5 installed; Bearing cross beam combination steel construction 9 to be fixedly mounted on before Bridge Erector between cross moving track 13 and pressure-bearing steel plate 7; Pressure-bearing steel plate 7 is fixedly mounted on below bearing cross beam combination steel construction 9; Adjustment screw rod 5 symmetry is installed on cross moving track 13 both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod 5 and the nut 6 of two symmetrical installations, and described nut 6 is fixedly mounted on below pressure-bearing steel plate 7, and it is matched in adjustment screw rod 5, and adjustment screw rod 5 lower end is provided with convex shaped arc face steel ball head 4; Can pass through to adjust adjustment screw rod about 5, thus cross moving track 13 step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is that adjustment screw rod 5 lower end is provided with ball pivot concave arc surface steel construction 3 and convex shaped arc face steel ball 4 mechanisms worked in coordination, and is arranged on support plate 1; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work 3 is fixedly installed on left-hand thread steel plate 2; Described support plate 1 is fixedly connected with by bolt 12 with left-hand thread steel plate 2; Described left-hand thread steel plate 2 is provided with left-hand thread groove.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15; Described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis;
The spacing of described bearing cross beam combination steel construction 9 on front cross moving track 13 can adopt shaped steel to weld for the bearing cross beam described in 70cm combines steel construction 9 framework.
Described pressure-bearing steel plate 7 bottom surface is provided with junction steel plate 8 of putting more energy into, and can increase bearing strength.
Described bent cap 14, the horizontal wall inscription gradient is 5%, and transverse width is 12m.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate 1 can select rubber tile or the plastic plate of certain elasticity and intensity.
Before described Bridge Erector, cross moving track 13 is one branched indeterminate continuous beam of multispan.
When before described support plate 1 can make Bridge Erector, cross moving track 13 flatcar rail wheel travels above a certain fulcrum, there is suitable decrement (deflection), the load of flatcar to cross moving track before Bridge Erector 13 beam can be passed in the neighboring devices of horizontal certain limit, jointly share load, increase supporting capacity and the safety of cross moving track beam 13 before Bridge Erector; In addition, between support plate 1 and pier cap beam 14 top of concrete, there are the stronger coefficient of friction resistance and frictional resistance, pier cap beam 14 end face that before preventing Bridge Erector, cross moving track system exists horizontal wall inscription can be played and produce Surface active component.
Described left-hand thread steel plate 2 is provided with left-hand thread groove, can limit left-hand thread groove and all around slide on support plate 1, thus also plays and prevent from single unit system from there is the reason such as horizontal wall inscription because of pier cap beam 14 producing Surface active component; Be connected by bolt 12 between left-hand thread groove with support plate 1, when integral hoisting can be made to be shifted, support plate 1 does not depart from, drops.
Described adjustment screw rod 5 length is 80cm ~ 150cm; Described adjustment screw rod 5 bottom is provided with convex shaped arc face steel ball head 4; Adjustment screw rod 5 forms ball pivot by convex shaped arc face steel ball head 4 and concave circular arcs face steel construction and supports, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap 14 there is different horizontal wall inscriptions, adjustment screw rod 5 keeps close contact with below concave circular arcs steel construction 3 all the time, do not produce space and concentration of local is stressed, prevent structure from being destroyed by super-strength, play the effect of good transmission vertical load; Additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction 3, convex shaped arc face steel ball head 4 can be made to be in all the time in pit under bent cap 14 condition of different horizontal wall inscription, to prevent convex shaped arc face steel ball head 4 from skidding off outside pit reliably and damage; Concave circular arcs face steel construction 3 is fixedly connected with left-hand thread steel plate 2, can guarantee monolithic stability.
Described nut 6 is matched in adjustment screw rod 5, can play the effect of step-less adjustment height; By regulating adjustment screw rod 5, before making Bridge Erector, cross moving track 13 can be in level at the bent cap 14 condition lower railway of different horizontal wall inscription, meets the requirement of Bridge Erector duty; Nut 6 and adjustment screw rod 5 all have high strength, high tenacity; Enough safe bearing load coefficients can be ensured.Adjustment screw rod 5 is provided with suitable adjustable-length, to ensure the bent cap 14 of applicable different horizontal wall inscription; Adjustment screw rod 5 can adopt steel pipe manufacturing, when adopting steel pipe manufacturing, then welds together after needing to process convex shaped arc face steel ball head 4 in addition again; Improve the portability of construction.
Described nut 6 top is provided with pressure-bearing steel plate 7, opens circular hole in the middle part of pressure-bearing steel plate 7, and Circularhole diameter is consistent with the large footpath of nut 6.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15, and described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis; The thick walled steel tube that one section of internal diameter is consistent with the large footpath of adjustment screw rod 5 is set, both can lengthens the height of whole outer tube, can lead to adjustment screw rod 5 again, strengthen the lateral stability of single unit system simultaneously.
Described several bearing cross beams combination steel construction determines required number according to the stressed size of cross moving track 13 before horizontal wall inscription width and Bridge Erector, and suitable spacing is set, several bearing cross beams combination steel construction 9 is installed on cross moving track 13 lower surface before Bridge Erector, fix pressure-bearing steel plate 7 successively again, hold-down nut 6, cover upward adjustment screw 5, the bottom of adjustment screw rod 5 is carried out ball pivot with concave circular arcs face steel work 3 and is connected, secondly step-less adjustment is carried out to adjustment screw rod 5, make cross moving track 13 maintenance level before the Bridge Erector in whole system, again by the oblique pull lanyard 11 on suspension ring 10, adjustment screw rod 5 is connected with concave circular arcs face steel work 3, and bottom concave circular arcs face steel work 3 connect be supporting seat part, thus whole system entirety can be hung and move, avoid and occur departing from, the phenomenon dropped.
Embodiment five:
Referring to Fig. 1,2,3,4,5,6, shown in 7, cross moving track system before the branched leg Bridge Erector of a kind of step-less adjustment ball-and-socket hinge style of the present invention, comprise cross moving track 13 before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track 13 lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Cross moving track system before the branched leg Bridge Erector of overall formation step-less adjustment ball-and-socket hinge style; This system carries out step-less adjustment to each adjustment screw rod 5 at vertical direction respectively, makes cross moving track 13 maintenance level on the bent cap 14 of different horizontal wall inscription before Bridge Erector, and plays the effect supporting Bridge Erector front-end structure.
Described bearing appendix comprises bearing cross beam combination steel construction 9, pressure-bearing steel plate 7 and two symmetrical adjustment screw rods 5 installed; Bearing cross beam combination steel construction 9 to be fixedly mounted on before Bridge Erector between cross moving track 13 and pressure-bearing steel plate 7; Pressure-bearing steel plate 7 is fixedly mounted on below bearing cross beam combination steel construction 9; Adjustment screw rod 5 symmetry is installed on cross moving track 13 both sides before Bridge Erector.
Described adjusting device comprises adjustment screw rod 5 and the nut 6 of two symmetrical installations, and described nut 6 is fixedly mounted on below pressure-bearing steel plate 7, and it is matched in adjustment screw rod 5, and adjustment screw rod 5 lower end is provided with convex shaped arc face steel ball head 4; Can pass through to adjust adjustment screw rod about 5, thus cross moving track 13 step-less adjustment before realizing Bridge Erector.
Described adjustment screw rod both played corrective action, played supporting role again.
Described Anti-inclining base is that adjustment screw rod 5 lower end is provided with ball pivot concave arc surface steel construction 3 and convex shaped arc face steel ball 4 mechanisms worked in coordination, and is arranged on support plate 1; Described adjustment screw rod 5 lower end and concave circular arcs face steel work 3 form ball pivot and support; Described concave circular arcs face steel work 3 is fixedly installed on left-hand thread steel plate 2; Described support plate 1 is fixedly connected with by bolt 12 with left-hand thread steel plate 2; Described left-hand thread steel plate 2 is provided with left-hand thread groove.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15; Described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis;
The spacing of described bearing cross beam combination steel construction 9 on front cross moving track 13 can adopt shaped steel to weld for the bearing cross beam described in 60cm combines steel construction 9 framework.
Described pressure-bearing steel plate 7 bottom surface is provided with junction steel plate 8 of putting more energy into, and can increase bearing strength.
Described bent cap 14, the horizontal wall inscription gradient is 7%, and transverse width is 14m.
Before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
Described support plate 1 can select rubber tile or the plastic plate of certain elasticity and intensity.
Before described Bridge Erector, cross moving track 13 is one branched indeterminate continuous beam of multispan.
When before described support plate 1 can make Bridge Erector, cross moving track 13 flatcar rail wheel travels above a certain fulcrum, there is suitable decrement (deflection), the load of flatcar to cross moving track before Bridge Erector 13 beam can be passed in the neighboring devices of horizontal certain limit, jointly share load, increase supporting capacity and the safety of cross moving track beam 13 before Bridge Erector; In addition, between support plate 1 and pier cap beam 14 top of concrete, there are the stronger coefficient of friction resistance and frictional resistance, pier cap beam 14 end face that before preventing Bridge Erector, cross moving track system exists horizontal wall inscription can be played and produce Surface active component.
Described left-hand thread steel plate 2 is provided with left-hand thread groove, can limit left-hand thread groove and all around slide on support plate 1, thus also plays and prevent from single unit system from there is the reason such as horizontal wall inscription because of pier cap beam 14 producing Surface active component; Be connected by bolt 12 between left-hand thread groove with support plate 1, when integral hoisting can be made to be shifted, support plate 1 does not depart from, drops.
Described adjustment screw rod 5 length is 80cm ~ 150cm; Described adjustment screw rod 5 bottom is provided with convex shaped arc face steel ball head 4; Adjustment screw rod 5 forms ball pivot by convex shaped arc face steel ball head 4 and concave circular arcs face steel construction and supports, both arc surface diameters are consistent, male and fomale(M&F) is fitted like a glove, when making bent cap 14 there is different horizontal wall inscriptions, adjustment screw rod 5 keeps close contact with below concave circular arcs steel construction 3 all the time, do not produce space and concentration of local is stressed, prevent structure from being destroyed by super-strength, play the effect of good transmission vertical load; Additionally by the arc crater arranging certain depth at concave circular arcs face, below steel construction 3, convex shaped arc face steel ball head 4 can be made to be in all the time in pit under bent cap 14 condition of different horizontal wall inscription, to prevent convex shaped arc face steel ball head 4 from skidding off outside pit reliably and damage; Concave circular arcs face steel construction 3 is fixedly connected with left-hand thread steel plate 2, can guarantee monolithic stability.
Described nut 6 is matched in adjustment screw rod 5, can play the effect of step-less adjustment height; By regulating adjustment screw rod 5, before making Bridge Erector, cross moving track 13 can be in level at the bent cap 14 condition lower railway of different horizontal wall inscription, meets the requirement of Bridge Erector duty; Nut 6 and adjustment screw rod 5 all have high strength, high tenacity; Enough safe bearing load coefficients can be ensured.Adjustment screw rod 5 is provided with suitable adjustable-length, to ensure the bent cap 14 of applicable different horizontal wall inscription; Adjustment screw rod 5 can adopt rod iron, adopts during rod iron and directly lower end is manufactured convex shaped arc face steel ball head 4; Improve the portability of construction.
Described nut 6 top is provided with pressure-bearing steel plate 7, opens circular hole in the middle part of pressure-bearing steel plate 7, and Circularhole diameter is consistent with the large footpath of nut 6.
Described bearing cross beam combination steel construction 9 is provided with two symmetrical pilot sleeves 15, and described its axis of pilot sleeve 15 is consistent with adjustment screw rod 5 axis; The thick walled steel tube that one section of internal diameter is consistent with the large footpath of adjustment screw rod 5 is set, both can lengthens the height of whole outer tube, can lead to adjustment screw rod 5 again, strengthen the lateral stability of single unit system simultaneously.
Described several bearing cross beams combination steel construction determines required number according to the stressed size of cross moving track 13 before horizontal wall inscription width and Bridge Erector, and suitable spacing is set, several bearing cross beams combination steel construction 9 is installed on cross moving track 13 lower surface before Bridge Erector, fix pressure-bearing steel plate 7 successively again, hold-down nut 6, cover upward adjustment screw 5, the bottom of adjustment screw rod 5 is carried out ball pivot with concave circular arcs face steel work 3 and is connected, secondly step-less adjustment is carried out to adjustment screw rod 5, make cross moving track 13 maintenance level before the Bridge Erector in whole system, again by the oblique pull lanyard 11 on suspension ring 10, adjustment screw rod 5 is connected with concave circular arcs face steel work 3, and bottom concave circular arcs face steel work 3 connect be supporting seat part, thus whole system entirety can be hung and move, avoid and occur departing from, the phenomenon dropped.

Claims (10)

1. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style, comprise cross moving track (13) before Bridge Erector, it is characterized in that: before described Bridge Erector, cross moving track (13) lower surface is installed with several components, the number of this component is determined with the length of cross moving track before Bridge Erector (13) or stressed change, and component arranges each other at a certain distance; Described component comprises bearing appendix, adjusting device and Anti-inclining base; Carry out stepless changing by adjusting device at vertical direction, before making Bridge Erector, cross moving track (13) keeps level on the bent cap (14) of different horizontal wall inscription.
2. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, is characterized in that: described bearing appendix comprises bearing cross beam combination steel construction (9), pressure-bearing steel plate (7) and two symmetrical adjustment screw rods (5) installed; Bearing cross beam combination steel construction (9) to be fixedly mounted on before Bridge Erector between cross moving track (13) and pressure-bearing steel plate (7); Pressure-bearing steel plate (7) is fixedly mounted on bearing cross beam combination steel construction (9) below; Adjustment screw rod (5) symmetry is installed on cross moving track (13) both sides before Bridge Erector.
3. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, it is characterized in that: described adjusting device comprises adjustment screw rod (5) and the nut (6) of two symmetrical installations, described nut (6) is fixedly mounted on pressure-bearing steel plate (7) below, it is matched in adjustment screw rod (5), and adjustment screw rod (5) lower end is provided with convex shaped arc face steel ball head (4); Can pass through to adjust up and down adjustment screw rod (5), thus cross moving track (13) step-less adjustment before realizing Bridge Erector.
4. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, it is characterized in that: described Anti-inclining base is that adjustment screw rod (5) lower end is provided with mechanism ball pivot concave arc surface steel construction (3) and convex shaped arc face steel ball head (4) worked in coordination, and is arranged on support plate (1); Described adjustment screw rod (5) lower end and concave circular arcs face steel work (3) form ball pivot and support; Described concave circular arcs face steel work is fixed (3) and is arranged on left-hand thread steel plate (2); Described support plate (1) is fixedly connected with by bolt (12) with left-hand thread steel plate (2); Described left-hand thread steel plate (2) is provided with left-hand thread groove.
5. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 2, is characterized in that: described bearing cross beam combination steel construction (9) is provided with two symmetrical pilot sleeves (15); Described pilot sleeve (15) its axis is consistent with adjustment screw rod (5) axis; Described bearing cross beam combination steel construction (9) is 60cm ~ 90cm in the spacing of front cross moving track (13) below; The framework of described bearing cross beam combination steel construction (9) adopts any one in shaped steel welding or steel plate butt welding.
6. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 4, is characterized in that: described adjustment screw rod (5) length is 80cm ~ 150cm; Described adjustment screw rod (5) adopts any one making in rod iron or steel pipe; The lower end sidewall of described adjustment screw rod (5) is provided with suspension ring (10); Described concave circular arcs face steel work (3) is provided with suspension ring (10); Adjustment screw rod (5) is fixedly connected with by the oblique pull lanyard (11) on suspension ring (10) with concave circular arcs face steel work (3).
7. cross moving track system before the branched leg Bridge Erector of the step-less adjustment ball-and-socket hinge style according to Claims 2 or 3, is characterized in that: described pressure-bearing steel plate (7) bottom surface is provided with junction steel plate of putting more energy into (8).
8. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, is characterized in that: before the branched leg Bridge Erector of described step-less adjustment ball-and-socket hinge style, cross moving track system can adapt to the bent cap (14) that the horizontal wall inscription gradient is 1% ~ 7%.
9. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, is characterized in that: before described step-less adjustment ball-and-socket hinge style branched leg Bridge Erector, the single supporting leg of cross moving track system is 1 ~ 60cm in the adjustable scope of vertical direction.
10. cross moving track system before the branched leg Bridge Erector of step-less adjustment ball-and-socket hinge style according to claim 1, is characterized in that: described support plate (1) selects any one in the rubber tile of certain elasticity and intensity or plastic plate.
CN201510706758.1A 2015-10-27 2015-10-27 Stepless-adjustment ball-hinge type multi-support-leg forward transverse shifting track system of bridge girder erection machine Active CN105239514B (en)

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CN203878479U (en) * 2014-05-22 2014-10-15 中交四公局第三工程有限公司 Bridge erection machine traversing support
CN204385631U (en) * 2014-12-26 2015-06-10 襄阳协利成机车车辆工程设备有限公司 The traversing synchronous displacement device of railway bridge erecting machine beam

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CN105784518A (en) * 2016-04-26 2016-07-20 长安大学 Experiment device and method for evaluating furrow resistant properties of structural layer of asphalt pavement
CN106544958A (en) * 2016-11-25 2017-03-29 中铁三局集团有限公司 900 tons of Bridge Erector low levels of auxiliary nose-girder type cross the construction method of bale handle arch
CN106592431A (en) * 2016-11-25 2017-04-26 中铁三局集团有限公司 Construction method for assisting guiding girder type 900-ton bridge girder erection machine to pass girder lifting arch in high position
CN106592431B (en) * 2016-11-25 2018-02-23 中铁三局集团有限公司 The high-order construction method for crossing bale handle arch of 900 tons of Bridge Erectors of auxiliary nose-girder type
CN106544958B (en) * 2016-11-25 2018-07-06 中铁三局集团有限公司 900 tons of Bridge Erector low levels of auxiliary nose-girder type cross the construction method of bale handle arch
CN111691307A (en) * 2020-06-24 2020-09-22 中交第二航务工程局有限公司 Front support leg supporting and limiting device of bridge girder erection machine and mounting method
CN112722685A (en) * 2021-01-28 2021-04-30 王胜夏 Deviation adjusting structure of rubber supply conveyor of tire production line

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