CN110528401A - Suspended pouring construction hanging basket system - Google Patents
Suspended pouring construction hanging basket system Download PDFInfo
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- CN110528401A CN110528401A CN201910824450.5A CN201910824450A CN110528401A CN 110528401 A CN110528401 A CN 110528401A CN 201910824450 A CN201910824450 A CN 201910824450A CN 110528401 A CN110528401 A CN 110528401A
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- hanging basket
- hook
- cable
- pouring construction
- bottom plate
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- 238000010276 construction Methods 0.000 title claims abstract description 55
- 239000000725 suspension Substances 0.000 claims abstract description 65
- 238000009415 formwork Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000009826 distribution Methods 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Embodiment of the invention discloses a kind of cable-stayed bridge suspended pouring construction hanging basket systems, the cable-stayed bridge suspended pouring construction hanging basket system includes: Hanging Basket main body, the Hanging Basket main body includes bottom plate, hook column, hook and walking mechanism, the bottom plate is for being arranged in girder bottom, one end of the hook column is connected to the bottom plate, the both ends of the bottom plate are set, and the hook is connected to the other end of the hook column, and the walking mechanism is connected to the hook；Hanging basket formwork, the hanging basket formwork is arranged at the top of the bottom plate, between girder and the bottom plate；Beam lower traction equipment, the beam lower traction equipment setting can pass through the suspension cable that the bottom plate is connected to cable-stayed bridge in the bottom base plate two sides, the beam lower traction equipment.The suspended pouring construction hanging basket system ability of anti-deformation is stronger, and it is more convenient to be socketed suspension cable.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of suspended pouring construction hanging basket system.
Background technique
Cast-in-place cantilever method is used primarily on the cable-stayed bridge with prestressed concrete girder.The cantilever of its main beam concrete pours
It builds essentially identical with general prestressed concrete beam formula bridge.Using beam section suspension cable to be poured as the front fulcrum of Hanging Basket, construction
Hanging Basket rear end is anchored in the process and has been poured in beam section.By suspension cable and beam section is poured jointly and undertakes the concrete of segment to be poured
The quality of beam section.After main beam concrete reaches design strength, the connection of suspension cable and Hanging Basket is removed, segment gravity is transformed into
On suspension cable, then the Hanging Basket that moves forward.Advantage is the good integrity of structure, is not required in construction with large-tonnage cantilever crane and is transported prefabricated
The barge of segment block part, accelerates construction speed.Shortcoming is to must be strictly controlled the change of Hanging Basket in entire work progress
Shape and concrete shrinkage, the influence crept, its construction period is longer for other construction methods, is pouring a segment
To adjust rope in Concrete stage by stage, complex process, the casing positioning difficulty between Hanging Basket and suspension cable is larger.
Therefore, it is necessary to develop a kind of ability of anti-deformation is stronger, and it is socketed the more convenient suspended pouring construction hanging basket system of suspension cable
System.
The information for being disclosed in background of invention part is merely intended to deepen the reason to general background technique of the invention
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Summary of the invention
The object of the present invention is to provide a kind of suspended pouring construction hanging basket systems, and the suspended pouring construction hanging basket system ability of anti-deformation is more
By force, and socket suspension cable is more convenient.
To achieve the goals above, a kind of suspended pouring construction hanging basket system is provided according to the present invention, and the cantilever casting construction is hung
Basket system includes:
Hanging Basket main body, the Hanging Basket main body include bottom plate, hook column, hook and walking mechanism, and the bottom plate is for setting
It sets in bridge main beam bottom, one end of the hook column is connected to the bottom plate, the both ends of the bottom plate, the extension is arranged in
Hook connects are connected to the hook in the other end of the hook column, the walking mechanism；
Hanging basket formwork, the hanging basket formwork are arranged at the top of the bottom plate, be located at the bridge floor and the bridge main beam it
Between；
Beam lower traction equipment, the beam lower traction equipment are arranged in the bottom base plate two sides, the beam lower traction equipment
The suspension cable that the bottom plate is connected to cable-stayed bridge can be passed through.
It preferably, further include auxiliary ceiling suspension, the auxiliary ceiling suspension includes: drum track and truss, the drum track paving
On the bridge floor, the truss is arranged on the drum track, is located at described link up with far from the hook column side.
Preferably, the truss includes bottom beam, mounting plate, main couple, preceding truss, and the mounting plate is located at the bottom beam top
Portion, described main couple one end are connected to the bottom beam other end and are connected to the mounting plate, and described preceding truss one end is connected to institute
It states the mounting plate other end and is connected to the bottom beam, the bottom beam, the main couple and the preceding truss are triangular in shape, the bottom beam
It is connected to the drum track by rear support and preceding support, the rear support is arranged in the bottom beam bottom far from the preceding purlin
Frame one end, the preceding support are arranged in the middle part of the bottom beam.
It preferably, further include that anchoring fining twisted steel and preceding suspension centre fining twisted steel, the anchoring fining twisted steel pass through
The bottom beam is fixed on the bridge floor by the bottom beam and the anchor hole being provided on bridge floor, and the preceding suspension centre rolls screw-thread steel one
End is connected to the preceding truss, and the other end is connected to the bottom plate.
It preferably, further include track press beam and track fining twisted steel, the track fining twisted steel passes through the track
The track press beam is compacted in drum track two sides by press beam and bridge floor.
Preferably, the walking mechanism includes sliding slot and traveling wheel, and the sliding slot is provided on the bridge floor, the walking
Wheel is slidably installed in the sliding slot, is connected to the hook by connecting rod.
Preferably, the beam lower traction equipment includes arc head, tensioning distributor, tension rod and stay cable sleeve, institute
Arc head setting is stated in the bottom base plate two sides, the tensioning distributor is arranged in the bottom the arc head, is connected to institute
Tension rod one end is stated, the tension rod other end passes through the arc head and is connected to the stay cable sleeve, the oblique pull noose
Cylinder is for being socketed the suspension cable and tension rod of cable-stayed bridge.
Preferably, tensioning distributor includes tensioning distribution beam, work nut and jack, the tensioning distribution beam setting
In the tension rod far from described stay cable sleeve one end, the work nut is set in the tensioning distribution beam, and described thousand
The support foot on jin top is connected to the work nut.
Preferably, further include drag-line angle adjustment device, the drag-line angle adjustment device include deflecting plate, tackle pulley and
Hoist engine, the tackle pulley include two pulleys and the cable wire that is wrapped on the pulley, are provided with one on each pulley
A hook, the hook is for being hung on the deflecting plate and the stay cable sleeve, the output end connection of the hoist engine
In the cable wire.
Preferably, the hanging basket formwork is spliced by multiple template component, the hanging basket formwork top shape with it is described
Bridge main beam bottom shape matches.
The utility model has the advantages that Hanging Basket main body of the present invention, the setting by bottom plate, hook column and hook is in C font, anti-deformation energy
Power is stronger, and the present invention is by beam lower traction equipment, convenient for being sleeved and fixed with bridge stay cable.
Detailed description of the invention
Fig. 1 is the main view of the suspended pouring construction hanging basket system of one embodiment of the invention.
Fig. 2 is the side view of the suspended pouring construction hanging basket system of one embodiment of the invention.
Fig. 3 is the schematic diagram of the auxiliary ceiling suspension of one embodiment of the invention.
Fig. 4 is the schematic diagram of the beam lower traction equipment of one embodiment of the invention.
Description of symbols:
1, Hanging Basket main body；2, bottom plate；3, column is linked up with；4, it links up with；5, walking mechanism；6, hanging basket formwork；7, it is drawn under beam
Device；8, auxiliary ceiling suspension；9, drum track；10, truss；11, bottom beam；12, mounting plate；13, main couple；14, preceding truss；15,
Rear support；16, preceding support；17, fining twisted steel is anchored；18, preceding suspension centre rolls screw-thread steel；19, track press beam；20, track finish rolling
Screw-thread steel；21, sliding slot；22, traveling wheel；23, arc is first；24, tension rod；25, stay cable sleeve；26, tensioning distribution beam；27,
Work nut；28, jack；29, deflecting plate；30, tackle pulley；31, hoist engine.
Specific embodiment
Technical solution of the present invention is discussed in detail with reference to the accompanying drawing.
The present invention provides a kind of suspended pouring construction hanging basket system, the suspended pouring construction hanging basket system includes:
Hanging Basket main body, the Hanging Basket main body include bottom plate, hook column, hook and walking mechanism, and the bottom plate is for setting
It sets in bridge main beam bottom, one end of the hook column is connected to the bottom plate, the both ends of the bottom plate, the extension is arranged in
Hook connects are connected to the hook in the other end of the hook column, the walking mechanism；
Hanging basket formwork, the hanging basket formwork are arranged at the top of the bottom plate, be located at the bridge main beam and the bottom plate it
Between；
Beam lower traction equipment, the beam lower traction equipment are arranged in the bottom base plate two sides, the beam lower traction equipment
The suspension cable that the bottom plate is connected to cable-stayed bridge can be passed through.
Specifically, design of the invention considers Hanging Basket walking, Hanging Basket stress, the rigidity factor of hanging basket formwork, Hanging Basket master
The c-type design of body can meet the force request that beam section pours, but due in segmental construction, it is highly preferred that Hanging Basket connection is all
Using high-strength bolt, the frictional force of joint face can be increased by the fastening of bolt, enhance the shear behavior of node.In Hanging Basket group
During dress, after the completion of bridge main beam utilizes support cast-in-place, the cantilever that Hanging Basket installation needs is furnished on the girder poured
Crossbeam forms Hanging Basket main body, then the Hanging Basket monolithic truss hanging spelled on cradle assembly platform at the scene in cantilever girder
It is attached step by step, Hanging Basket is made to be connected to become entirety.In Hanging Basket use process, by the way that the suspension cable of bridge is connected to beam
Lower traction equipment passes through suspension cable and the girder shared suspended pouring construction hanging basket system that has poured and the subsequent material that pours
Weight pours after material reaches construction requirement subsequent, and further moving forward suspended pouring construction hanging basket system by walking mechanism can be with
Bridge is rapidly completed to pour.
It further, further include auxiliary ceiling suspension, the auxiliary ceiling suspension includes: drum track and truss, the drum track
Mat formation on the bridge floor, the truss is arranged on the drum track, is located at described link up with far from the hook column one
Side.
Specifically, by the setting of auxiliary ceiling suspension, convenient for ancillary equipment and the lifting of material is poured.
It is highly preferred that the main longitudinal grider of Hanging Basket main body is provided with anti-top wheel and jack far from preceding hoisting point position, c-type hook is vertical
Back brace is arranged to adjust skew web plate and edge of a wing Board position absolute altitude in column.
Further, the truss includes bottom beam, mounting plate, main couple, preceding truss, and the mounting plate is located at the bottom beam
Top, described main couple one end are connected to the bottom beam other end and are connected to the mounting plate, and described preceding truss one end is connected to
The mounting plate other end is connected to the bottom beam, and the bottom beam, the main couple and the preceding truss are triangular in shape, the bottom
Beam is connected to the drum track by rear support and preceding support, and the rear support setting is in the bottom beam bottom far from before described
Truss one end, the preceding support are arranged in the middle part of the bottom beam.
Specifically, truss design triangular in shape keeps the structure of auxiliary ceiling suspension more firm.
It further, further include that anchoring fining twisted steel and preceding suspension centre fining twisted steel, the anchoring fining twisted steel are worn
It crosses the bottom beam and the bottom beam is fixed on the bridge floor by the anchor hole being provided on bridge floor, the preceding suspension centre rolls screw-thread steel
One end is connected to the preceding truss, and the other end is connected to the bottom plate.
Specifically, the setting that screw-thread steel is rolled by anchoring fining twisted steel and preceding suspension centre, so that auxiliary ceiling suspension is relative to bridge
The anchoring in face is more firm.
It further, further include track press beam and track fining twisted steel, the track fining twisted steel passes through the rail
The track press beam is compacted in drum track two sides by road press beam and bridge floor.
Specifically, compared with prior art, this auxiliary ceiling suspension uses mounting plates structure for the first time, and main couple and preceding truss are default
Screw hole is connected by high-strength bolt with mounting plate；Auxiliary ceiling suspension is the supplementary structure of cradle construction, and preceding suspension centre only couples bottom
Plate is not connect with internal model, side form；Structure size is big, has bigger bearing capacity.It has the beneficial effect that: 1, by high-strength spiral shell
Tether and connect, make junction uniform force, avoid the stress excessively concentration phenomenon of conventional pin axis connection, 2, stress it is simply clear,
For extra wide beam section, since Hanging Basket width is big, occur from great, after load-bearing compared with large plastometric set, can be by auxiliary ceiling suspension before
Suspension centre adjusts floor level, and 3, when pouring mass concrete, Hanging Basket self weight, template, cubic amount of concrete are big, and auxiliary is hung can
To provide safety stock.
It is highly preferred that small tower crane is installed in upper beam position before Hanging Basket auxiliary ceiling suspension, and hoist: within 4 tons, advantage: with extension
Basket Forward facilitates reinforcing bar to hang shifting, template installation etc..
Further, the walking mechanism includes sliding slot and traveling wheel, and the sliding slot is provided on the bridge floor, the row
It walks wheel to be slidably installed in the sliding slot, the hook is connected to by connecting rod.
Specifically, by the setting of traveling wheel and sliding slot, convenient for the cantilever that moves forward on the casting beams for arrived construction reference
Construction hanging basket system.
Further, the beam lower traction equipment includes arc head, tensioning distributor, tension rod and stay cable sleeve,
In the bottom base plate two sides, the tensioning distributor is arranged in the bottom the arc head, is connected to for the arc head setting
Described tension rod one end, the tension rod other end pass through the arc head and are connected to the stay cable sleeve, the suspension cable
Sleeve is used to be socketed the suspension cable and tension rod of cable-stayed bridge.
Specifically, by the setting of arc head, make the rounded shape in beam lower traction equipment side, preferably receiving stretching force.
Tension rod can be connected to the suspension cable of bridge by stay cable sleeve, convenient for the quick fixation of suspension cable, be distributed by tensioning
Device is that tension rod applies stretching force.
Further, tensioning distributor includes tensioning distribution beam, work nut and jack, and the tensioning distribution beam is set
It sets in the tension rod far from described stay cable sleeve one end, the work nut is set in the tensioning distribution beam, described
The jack support foot of jack is connected to the work nut.
Specifically, stretching force can be applied for tension rod by jack and tensioning distribution beam.
It further, further include drag-line angle adjustment device, the drag-line angle adjustment device includes deflecting plate, tackle pulley
And hoist engine, the tackle pulley include two pulleys and the cable wire that is wrapped on the pulley, are provided on each pulley
One hook, the hook connect for being hung on the deflecting plate and the stay cable sleeve, the output end of the hoist engine
It is connected to the cable wire.
Specifically, by the angle of hoist engine and the setting adjustment tension rod of tackle pulley, convenient for connecting stay cable sleeve
In the suspension cable of bridge.
Specifically, the application tensioning distributor course of work are as follows: the regulating device includes hoist engine, tackle pulley, steering
Plate three parts, the bottom plate that deflecting plate is located at Hanging Basket main body face sky side, and wirerope one end connects hoist engine, and the other end passes through deflecting plate
Connect tension rod lower end or stay cable sleeve, the adjusting of achievable drag-line angle and tension rod angle.The utility model has the advantages that passing through elevator
Same, deflecting plate, tackle pulley ingenious cooperation overcomes the difficulties such as tension rod is long, anchor cup is heavy, construction space is narrow, realizes
The semi-automation of drag-line angular adjustment saves manpower and material resources working hour.
Specifically, the setting of tensioning distributor can be arranged from sliding lifting device in Hanging Basket body side, rise in beam bottom
Gao Shike makees operation platform, completes beam construction of bottom plates, and when reduction guarantees there are enough headroom with beam bottom at the top of Hanging Basket, in Forward process
In will not collide beam bottom anchor block.
Further, the hanging basket formwork is spliced by multiple template component, the hanging basket formwork top shape and institute
Bridge main beam bottom shape is stated to match.
Specifically, this project design-build one kind not only can satisfy general cantilever and pour using Hanging Basket, be provided simultaneously with certainly
Walking function is suitable for ultra-wide bridge construction.Hanging Basket main body is in C font, meets Hanging Basket movement, support self weight demand, for width
Degree is big, is only difficult to control Hanging Basket and bed die absolute altitude by drag-line, adds hook column in suspension cable two sides to meet elevation control
Demand；Back brace is installed at c-type Hanging Basket rear to adjust skew web plate and edge of a wing Board position absolute altitude, Node connectedness uses high-strength bolt
Enhancing rubbing surface shear resistance is anchored by pre-tightening；A kind of angle adjustment device is set in beam lower traction equipment, can smoothly be adjusted
Save suspension cable angle；Small-sized tower crane can be set for upper beam position before Hanging Basket auxiliary ceiling suspension, meet daily reinforcing bar and small-sized apply
The mobile demand of work equipment solves the problems, such as cantilever construction handling scarce capacity；Inclined guy cable stretching designs one kind certainly in beam bottom
Lifting device is slided, hanging basket advancing is made not collide beam bottom anchor cable.In short, building complicated, the numerous feelings of process in cable-stayed bridge
A set of effective Hanging Basket design production decision is studied under condition, can satisfactorily complete cable-stayed bridge production task.
Embodiment 1
Fig. 1 is the main view of the suspended pouring construction hanging basket system of one embodiment of the invention.Fig. 2 is one embodiment of the invention
Suspended pouring construction hanging basket system side view.Fig. 3 is the schematic diagram of the auxiliary ceiling suspension of one embodiment of the invention.Fig. 4
It is the schematic diagram of the beam lower traction equipment of one embodiment of the invention.
As shown in Figs 1-4, by taking certain bridge construction as an example, the main bridge of the bridge is using (100m+100m) only tower single cable plane oblique pull
Bridge, bridge tower center pile No. are K0+713.333, bridge floor overall with 40m；Access bridge superstructure is answered in advance using 37m, 40m assembled part
Power concrete combined box beam.Bridge starting point pile No. K0+262.833, across riverfront main road, Luo Hebeidi, Luo He, Luo Henandi,
Terminal pile No. K1+113.333.Full-bridge span setting be (4 × 37m)+(5 × 40m)+(2 × 100m)+(4 × 37m)+(4 ×
37m), overall length 850.5m.Main bridge single width arrangement girder uses prestressed concrete box girder, single five Room of case, and girder is applied using cantilever
Work.Full-bridge is divided into 16 pairs of cantilever segments, and every segment length 5m closes up segment length 2m, pier top Cast-in-Situ Segment (0# sections) long 23m, end bay bracket
Cast-in-place imbalance segment length 6.5m；Autonomous pier center line is to beam-ends segment are as follows: 11.5m (1/2 pier top Cast-in-Situ Segment)+(16 × 5m) is (outstanding
Pour section)+2m (closure segment)+6.5m (support cast-in-place section)=100m.It is poured using the suspended pouring construction hanging basket system of the present embodiment
Build, which includes: Hanging Basket main body 1, the Hanging Basket main body 1 include bottom plate 2, hook column 3, hook 4 and
Walking mechanism 5, for the bottom plate 1 for being arranged in bridge main beam bottom, one end of the hook column 3 is connected to the bottom plate 2,
The both ends of the bottom plate 2 are set, and the hook 4 is connected to the other end of the hook column 3, and the walking mechanism 5 connects
In the hook 4；Hanging basket formwork 6, the hanging basket formwork set 6 and set at 2 top of the bottom plate, be located at the bridge main beam with it is described
Between bottom plate 2；Beam lower traction equipment 7, the setting of beam lower traction equipment 7 are drawn under 2 two sides of the bottom of bottom plate, the beam
Device 7 can pass through the suspension cable that the bottom plate 2 is connected to cable-stayed bridge；Auxiliary ceiling suspension 8, the auxiliary ceiling suspension 8 include: drum rail
Road 9 and truss 10, the drum track 9 are mated formation on the bridge floor, and the truss 10 is arranged on the drum track 9, position
4 are linked up with far from 3 side of hook column in described.
Wherein, the truss 10 includes bottom beam 11, mounting plate 12, main couple 13, preceding truss 14, and the mounting plate 12 is located at
11 top of bottom beam, described 13 one end of main couple is connected to 11 other end of bottom beam and is connected to the mounting plate 12, described
Preceding 14 one end of truss is connected to 12 other end of mounting plate and is connected to the bottom beam 11, the bottom beam 11, the main couple 13
And the preceding truss 14 is triangular in shape, the bottom beam 11 is connected to the drum track 9, institute by rear support 15 and preceding support 16
The setting of rear support 15 is stated in 11 bottom of bottom beam far from described preceding 14 one end of truss, the preceding support 16 is arranged in the bottom beam
11 middle parts.
Wherein, auxiliary ceiling suspension 8 further includes anchoring fining twisted steel 17 and preceding suspension centre fining twisted steel 18, the anchoring finish rolling
The bottom beam 11 is fixed on the bridge floor by the anchor hole that screw-thread steel 17 passes through the bottom beam 11 and is provided on bridge floor, described
Preceding suspension centre rolls 18 one end of screw-thread steel and is connected to the preceding truss 14, and the other end is connected to the bottom plate 2.
Wherein, auxiliary ceiling suspension 8 further includes track press beam 19 and track fining twisted steel 20, the track fining twisted steel 20
The track press beam 19 is compacted in 9 two sides of drum track across the track press beam 19 and bridge floor.
Wherein, the walking mechanism 5 includes sliding slot 21 and traveling wheel 22, and the sliding slot is opened 21 and is located on the bridge floor, institute
It states traveling wheel 22 to be slidably installed in the sliding slot, the hook 4 is connected to by connecting rod.
Wherein, the beam lower traction equipment includes arc head 23, tensioning distributor, tension rod 24 and stay cable sleeve
25,23 setting of arc head is in 2 two sides of the bottom of bottom plate, and the tensioning distributor setting is at first 23 bottoms of the arc
Portion, is connected to described 24 one end of tension rod, and 24 other end of tension rod passes through the arc head 23 and is connected to the suspension cable
Sleeve 25, the stay cable sleeve 25 are used to be socketed the suspension cable and tension rod 57 of cable-stayed bridge.
Wherein, tensioning distributor includes tensioning distribution beam 26, work nut 27 and jack 28, the tensioning distribution beam
26 are arranged in the tension rod 24 far from described 25 one end of stay cable sleeve, and the work nut 27 is set in the tensioning distribution
On beam 26, the jack support foot of the jack 28 is connected to the work nut 27.
It wherein, further include drag-line angle adjustment device, the drag-line angle adjustment device includes deflecting plate 29, tackle pulley 30
And hoist engine 30, the tackle pulley 30 include two pulleys and the cable wire being wrapped on the pulley, set on each pulley
Be equipped with a hook, the hook for being hung on the deflecting plate and the stay cable sleeve, the hoist engine 31 it is defeated
Outlet is connected to the cable wire.
Wherein, the hanging basket formwork 6 is spliced by multiple template component, 6 top shape of hanging basket formwork with it is described
Bridge main beam bottom shape matches.
Specifically, Hanging Basket cantilever section construction technology process: Construction of Pylon → Hanging Basket installation → surveying and locating, Hanging Basket positioning →
Hanging Basket is promoted, bottom elevation, Hanging Basket anchor → install suspension cable, instruct first time tensioning hauling rope power according to monitoring in adjustment mould
(template self weight, armored concrete 50%, construction equipment, construction personnel), and carry out the review of bottom elevation, adjustment → Bottom Board Steel in mould
Muscle binding → web reinforcement binding → internal model installation → roof steel bar binding → casting concrete 50% → is wanted according to quality monitoring
It asks and carries out suspension cable and be stretched to construction Suo Li → pour residual concrete → concrete curing → girder prestressed stretch-draw for the second time
And mud jacking → instructed according to monitoring and require to carry out Suo Li conversion, suspension cable third time tensioning → unloads Hanging Basket anchor pole group, demoulding → peace
Dress traveling wheel → hanging basket advancing runs to next segment → repetition above step and carries out next section box girder →... ... → Cheng Qiao
Cable force adjustment afterwards.It needs to calculate length of unstressed cable and the whole length of construction before stayed Cable Construction, be applied before cantilever casting construction starts according to cantilever
Work process determines suspension cable stretching force three times.Suspension cable is hung exactly under conditions of ensuring safety by brand-new suspension cable both ends
Anchor cup draws anchor plate respectively, and screws on anchor cup nut.Suspension cable installs the principle that should follow " the first tower back rest ", i.e. tower end is hung
If, beam face exhibition rope, beam-ends traction, it should be noted that in distraction procedure, tension rod under tensioning distribution beam anchor secondary nut should in time with
Into.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of cable-stayed bridge suspended pouring construction hanging basket system, which is characterized in that the cable-stayed bridge suspended pouring construction hanging basket system includes:
Hanging Basket main body, the Hanging Basket main body include bottom plate, hook column, hook and walking mechanism, and the bottom plate is for being arranged
One end of bridge main beam bottom, the hook column is connected to the bottom plate, and the both ends of the bottom plate are arranged in, and the hook connects
It is connected to the other end of the hook column, the walking mechanism is connected to the hook；
Hanging basket formwork, the hanging basket formwork is arranged at the top of the bottom plate, between bridge main beam and the bottom plate；
Beam lower traction equipment, the beam lower traction equipment are arranged in the bottom base plate two sides, and the beam lower traction equipment can
The suspension cable of cable-stayed bridge is connected to across the bottom plate.
2. suspended pouring construction hanging basket system according to claim 1, which is characterized in that it further include auxiliary ceiling suspension, the auxiliary
Hanger includes: drum track and truss, and the drum track is mated formation on bridge floor, and the truss is arranged in the drum track
On, it is located remotely from the hook column side.
3. suspended pouring construction hanging basket system according to claim 2, which is characterized in that the truss include bottom beam, mounting plate,
Main couple, preceding truss, the mounting plate are located at the top of the bottom beam, and described main couple one end is connected to the bottom beam other end and connects
It is connected to the mounting plate, described preceding truss one end is connected to the mounting plate other end and is connected to the bottom beam, the bottom beam, institute
It states main couple and the preceding truss is triangular in shape, the bottom beam is connected to the drum track, institute by rear support and preceding support
Rear support setting is stated in the bottom beam bottom far from described preceding truss one end, the preceding support is arranged in the middle part of the bottom beam.
4. suspended pouring construction hanging basket system according to claim 3, which is characterized in that further include anchoring fining twisted steel and preceding
Suspension centre fining twisted steel, the anchoring fining twisted steel pass through the bottom beam and the anchor hole being provided on bridge floor for the bottom beam
It is fixed on bridge floor, the preceding suspension centre rolls screw-thread steel one end and is connected to the preceding truss, and the other end is connected to the bottom plate.
5. suspended pouring construction hanging basket system according to claim 4, which is characterized in that further include track press beam and track finish rolling
Screw-thread steel, the track fining twisted steel pass through the track press beam and bridge floor and the track press beam are compacted in the drum rail
Road two sides.
6. suspended pouring construction hanging basket system according to claim 1, which is characterized in that the walking mechanism includes sliding slot and row
Wheel is walked, the sliding slot is provided on the bridge floor, and the traveling wheel is slidably installed in the sliding slot, is connected to the extension by connecting rod
Hook.
7. suspended pouring construction hanging basket system according to claim 1, which is characterized in that the beam lower traction equipment includes arc
Head, tensioning distributor, tension rod and stay cable sleeve, the arc head are arranged in the bottom base plate two sides, the tensioning
Distributor setting is connected to described tension rod one end in the bottom the arc head, and the tension rod other end passes through the arc
Shape head is connected to the stay cable sleeve, and the stay cable sleeve is used to be socketed the suspension cable and tension rod of cable-stayed bridge.
8. suspended pouring construction hanging basket system according to claim 7, which is characterized in that tensioning distributor includes tensioning distribution
Beam, work nut and jack, the tensioning distribution beam is arranged in the tension rod far from described stay cable sleeve one end, described
Work nut is set in the tensioning distribution beam, and the jack support foot of the jack is connected to the work nut.
9. suspended pouring construction hanging basket system according to claim 7, which is characterized in that it further include drag-line angle adjustment device,
The drag-line angle adjustment device includes deflecting plate, tackle pulley and hoist engine, and the tackle pulley includes two pulleys and is wrapped in
Cable wire on the pulley, is provided with a hook on each pulley, the hook for be hung on the deflecting plate and
On the stay cable sleeve, the output end of the hoist engine is connected to the cable wire.
10. suspended pouring construction hanging basket system according to claim 1, which is characterized in that the hanging basket formwork is by multiple template
Component is spliced, and the hanging basket formwork top shape is matched with the girder bottom shape.
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| CN201910824450.5A CN110528401A (en) | 2019-09-02 | 2019-09-02 | Suspended pouring construction hanging basket system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910824450.5A CN110528401A (en) | 2019-09-02 | 2019-09-02 | Suspended pouring construction hanging basket system |
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| CN110528401A true CN110528401A (en) | 2019-12-03 |
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| CN201910824450.5A Pending CN110528401A (en) | 2019-09-02 | 2019-09-02 | Suspended pouring construction hanging basket system |
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| CN112064519A (en) * | 2020-08-28 | 2020-12-11 | 中铁大桥局集团有限公司 | Long platform guy cable hanging basket and main beam segment construction method |
| CN114808734A (en) * | 2022-05-19 | 2022-07-29 | 柳州桂桥缆索有限公司 | Construction method of stay cable front supporting point hanging basket soft and hard connection conversion system |
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