CN206368328U - A kind of box beam four moves integrally die carrier structure across one-piece casting - Google Patents

A kind of box beam four moves integrally die carrier structure across one-piece casting Download PDF

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Publication number
CN206368328U
CN206368328U CN201621345296.1U CN201621345296U CN206368328U CN 206368328 U CN206368328 U CN 206368328U CN 201621345296 U CN201621345296 U CN 201621345296U CN 206368328 U CN206368328 U CN 206368328U
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CN
China
Prior art keywords
crossbeam
mould bases
box
girder
bracket
Prior art date
Application number
CN201621345296.1U
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Chinese (zh)
Inventor
李永利
史红军
朱献民
王辉
尹贻超
胡忠军
王德祥
刘长峰
田甜
张伟
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济南城建集团有限公司
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Application filed by 济南城建集团有限公司 filed Critical 济南城建集团有限公司
Priority to CN201621345296.1U priority Critical patent/CN206368328U/en
Application granted granted Critical
Publication of CN206368328U publication Critical patent/CN206368328U/en

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Abstract

The utility model discloses a kind of box beam four die carrier structure is moved integrally across one-piece casting, belong to Bridge Construction apparatus field, including bracket, landing bracket column, sliding trolley, overlength steel case girder, front launching nose, back launching nose, mould bases contact crossbeam, detachable template crossbeam, bed die, side form and support, internal model, guardrail and hydraulic system, mobile formwork balancing weight.The sliding trolley is placed on bracket beam;The overlength steel case girder is contacted by mould bases contact crossbeam by high-strength bolt both sides, along bridge to being placed on dolly self-locking jacking cylinder;Nose girder is the empty stomach box beam connected positioned at girder front and back end by high-strength bolt before and after described;The detachable template crossbeam is connected by shaped steel with the carrier setting bolt on girder.The utility model is not limited by construction environment, can adapt to the bridge of different pier shaft height and structure type, and mechanization degree is high, it is easy to operates, while one or four across shortening construction period, reduces construction cost, more safe and reliable.

Description

A kind of box beam four moves integrally die carrier structure across one-piece casting
Technical field
The present invention relates to a kind of downlink movable mould frame, belong to Bridge Construction apparatus field, more particularly to city is high Bridging equipment, the larger bridge of the clear span that is particularly suitable for use in.
Background technology
Urban viaduct prestressed reinforced concrete box beam is domestic at present more using raft support method or MSS method. Full framing needs to shift to an earlier date precompressed and basic cure process per hole, and material turnover is complicated, long in time limit, logical to construction section traffic Row influence is big.Traditional mobile formwork is mostly single span mobile formwork, every time can only single span beams of concrete processed, treat a hole beam completion After be moved to next beam processed position and constructed, so hole-specifically beam processed into the long construction period of bridge, cost height.The current country can be real Only the three of existing one-time-concreting multispan are across mobile formwork bridge fabrication machine, and its principle is to become to pour across realization movement using gantry Build, but it can not realize the automatically walk of mould bases, and Cheng Qiao via number of times is also relatively more, and the security risk of construction is relatively It is high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art there is provided one kind four across moving integrally mould bases, the shifting Dynamic model frame uses downstriker, facilitates bridge location traffic, and construction cost is low, and one or four across beam processed, and short construction period is safe and reliable, Mechanization degree is high, and template crossbeam is detachably traversing, can realize the larger bridge construction of clear span.
The technical solution adopted in the utility model is:A kind of box beam four moves integrally die carrier structure across one-piece casting, including Bracket, landing bracket column, sliding machine, steel case girder, front launching nose, back launching nose, mould bases contact crossbeam, detachable template are horizontal Beam, bed die, side form, internal model and hydraulic system;
The sliding machine is arranged on bracket, and bracket is arranged below on landing bracket column, sliding trolley and is provided with steel Detachable template crossbeam, detachable template crossbeam are installed provided with bed die, side form and internal model, steel on case girder, steel case girder Between case girder crossbeam is contacted provided with mould bases;
The sliding machine is provided with three-way jack, including realizing mould bases folding and make the row of mould bases accommodation curve section The self-locking jacking cylinder that traversing oil cylinder, promotion steel case girder vertical shift oil cylinder, the drive steel case girder forward and retreat walked are lifted;
The mould bases contact crossbeam is the truss structure that four sections are formed by connecting by high-strength bolt, and centre is provided with crossbeam connection Bearing pin, bearing pin can be achieved to open after extracting under the promotion of traversing oil cylinder;The detachable template crossbeam is eight sections by high-strength spiral shell The Bailey bracket form of bolt, to control the deformation of casting concrete and adapt to the bed die of different changes.During die sinking, shellfish thunder is released Bearing pin in the middle of frame and bed die, decentralization intermediate die plate and beret truss, laterally-opening model can be reduced in the case where bridge clear span is big Enclose, it is ensured that the mould bases under die opening state is stable;
Provided with horizontal, vertical web inside the steel case girder, ribbed stiffener, and being thickeied to upper and lower plates inside internally is kept away Exempt from local buckling of the girder in negative moment of backing plate area lateral bucking and bottom wing and compression web;
The mould bases that moves integrally is that downstriker has back launching nose formula mobile formwork, and downlink movable mould frame can adapt to various The pier shaft of shape;The front launching nose, back launching nose are the three section empty stomach box-beam structures that internode is connected by high-strength bolt, in mould bases movement Guiding function from during via, when front leg strut moves ahead in place from load-bearing effect.
Preferably, the bed die is provided with adjustable seats, the demand of different cambers is met;The side form peripheral hardware laterally and Vertical adjustable supports, adapt to flat, vertical curve construction requirement, and side form realizes wing modular angle degree by hanging point adjustable supports screw rod on joist Regulation.
Preferably, mobile formwork balancing weight is installed below the template crossbeam before mould bases crossbeam is opened, mobile mould Frame balancing weight bends to U-shaped anchor ear by two single u-shaped bolts and single round steel, improves the horizontal safety factor on toppling stability of mould bases.
Preferably, the hydraulic system is made up of hydraulic station, hydraulic cylinder, fluid pressure line and electric control system.
Preferably, the landing bracket column uses concrete filled steel tube, direction across bridge is contacted by truss, while passing through pier Body is held tightly, strengthens stability.
The utility model template system uses punching block, is integrally lifted after ground completion is assembled by bed die, side form and wing mould, Detachably.During closure or openness by the mould bases crossbeam and template crossbeam each middle part bearing pin extract or insert, pass through sliding The traversing oil cylinder pushing of dolly realizes mould bases whole lateral moving.Mould bases lifting is by jacking self-locking jacking cylinder and releases self-locking jacking oil The locking device of cylinder is realized.Vertically moving for girder is to be promoted to realize by the automatic hanger casting mechanism of the hydraulic pressure specially designed.
The mould bases has 8 moving carts 3, and every is set up 2 operating personnel and 1 commander, and commander passes through intercommunication Machine assumes unified command of operator's cooperating, and initial start and terminal vertical shift use point operation control, it is ensured that 8 moving carts 3 are walked Row is synchronous.In mould bases die sinking and walking process, the reflection for being attached to girder 4 and the two ends of bracket beam 1 and span centre is observed by total powerstation Piece, comparative observation data and gross data, find that deviation entangles difference to take measures in time.
Beneficial effect:The utility model mobile formwork can once cast-in-place four across concrete continuous bridge, than rack construction material Material turnover is fast, small to bridge location traffic impact, is hardened without carrying out every hole precompressed and basis, reduces construction cost.To realize one It is secondary to pour, it is necessary to control influencing each other for concrete, and increase arrangement of reinforcement in design.With traditional mobile formwork bridge fabrication machine phase Than short construction period realizes the automatic traveling of mould bases, can adapt to the bridge of various pier shaft height and structure type, especially suitable In the bridge that clear span is larger.The mobile formwork has mechanization degree height, strong adaptability, quick construction, integrated cost relatively low Beneficial features.
Brief description of the drawings
Fig. 1 pours the direction across bridge structural representation of state for the present invention;
Fig. 2 installs the direction across bridge structural representation of balancing weight for the present invention;
Fig. 3 is the direction across bridge structural representation that intermediate module of the present invention is transferred;
Fig. 4 a are sliding machine left view of the invention;
Fig. 4 b are sliding machine front view of the invention;
Fig. 5 a-5c for a work progress of the invention vertical bridge to schematic diagram.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description.
As Figure 1-5, a kind of box beam four of the present utility model moves integrally die carrier structure, including bracket across one-piece casting 1st, landing bracket column 2, sliding machine 3, steel case girder 4, front launching nose 5, back launching nose 6, mould bases contact crossbeam 7, detachable template Crossbeam 8, bed die 9, side form 10, internal model 12 and hydraulic system;
The sliding machine 3 is arranged on bracket 1, and bracket 1 is arranged below on landing bracket column 2, sliding trolley 3 and installed Have and detachable template crossbeam 8, detachable template crossbeam 8 are installed provided with bed die 9, side form on steel case girder 4, steel case girder 4 10 and internal model 12, crossbeam 7 is contacted provided with mould bases between steel case girder 4,
As shown in figure 4, the sliding machine 3 be provided with three-way jack, including realize mould bases folding and make mould bases fit Answer the traversing oil cylinder 18 of the walking of curved section, the vertical shift oil cylinder 16, the drive steel case girder 4 that promote steel case girder 4 to move ahead and retreat The self-locking jacking cylinder 17 of lifting;Sliding machine 3 also includes gear wheel 19, skid beam 20, upper bed-plate 21, lower bottom base 22, traversing promotion Frame 23, vertical shift pushing frame 24, rotary oil cylinder 25, traversing bearing pin 26, bracket scratch seat 27 and pedal guardrail 28.
The mould bases contact crossbeam 7 is the truss structure that four sections are formed by connecting by high-strength bolt, and centre connects provided with crossbeam Pin axle, bearing pin can be achieved to open after extracting under the promotion of traversing oil cylinder 18;The detachable template crossbeam 8 is eight sections by height The Bailey bracket form of strength bolt, to control the deformation of casting concrete and adapt to the bed die 9 of different changes.During die sinking, solution Except bearing pin in the middle of Bailey bracket and bed die, decentralization intermediate die plate and beret truss can reduce transverse direction in the case where bridge clear span is big Open scope, it is ensured that the mould bases under die opening state is stable;
The overall length 127m of steel case girder 4, because of its overlength, therefore can realize that four construct across simultaneously.Girder is in order to adapt to overlength Many to have carried out particular design construction according to analysis is calculated across section type selecting and strengthening in negative moment area area, girder is internally ribbed, bears curved Square area upper and lower plates both sides symmetric internal thickeies each 2.5m of length.Left and right sides girder is connected by 8 truss, it is ensured that globality.
The mould bases that moves integrally is that downstriker has back launching nose formula mobile formwork, and downlink movable mould frame can adapt to various The pier shaft of shape;The front launching nose 5, back launching nose 6 are the three section empty stomach box-beam structures that internode is connected by high-strength bolt, are moved in mould bases Guiding function from during dynamic via, when front leg strut moves ahead in place from load-bearing effect.
The bed die 9 is provided with adjustable seats, meets the demand of different cambers;The peripheral hardware of side form 10 is horizontal and vertically may be used Support 11 is adjusted, flat, vertical curve construction requirement is adapted to, side form 10 realizes wing modular angle by hanging point adjustable supports screw rod 14 on joist 13 Degree regulation.The template crossbeam 8 installs mobile formwork balancing weight 15, mobile formwork counterweight before mould bases crossbeam 7 is opened below Block 15 bends to U-shaped anchor ear by two single u-shaped bolts and single round steel, improves the horizontal safety factor on toppling stability of mould bases.The hydraulic pressure system System is made up of hydraulic station, hydraulic cylinder, fluid pressure line and electric control system.The landing bracket column 2 uses concrete filled steel tube, Direction across bridge is contacted by truss, while being held tightly by pier shaft, strengthens stability.
As shown in figure 1, mould bases, which is in, pours state.Wait after the completion of pouring, release the self-locking jacking cylinder 17 of sliding machine 3 Locking device, drives mould bases integrally to realize stamping die.In 8 times application mobile formwork balancing weights 15 of detachable template crossbeam, such as Fig. 2 institutes Show, extract crossbeam connection bearing pin, transfer intermediate module, die sinking is completed under the promotion of traversing oil cylinder 18, as shown in figure 3, mould bases In die opening state.Vertical shift oil cylinder 16 promotion under vertical shift one across, by hoisting machinery by vacant bracket 1 and landing bracket stand Post 2 is had bad luck to previous across pier shaft and assembled in place, and ensures that it is in unified tapered plane with head across bracket.Repetition have bad luck bracket and Bracket column, is sequentially advanced three across completing via.The matched moulds under the promotion of the traversing oil cylinder 18 of sliding machine 3, by truck crane Beret truss and template in the middle of installing, remove dynamic model frame balancing weight 15, and insert crossbeam bearing pin, readjust formwork elevation measuring and pre- arch Degree, the last self-locking jacking cylinder 17 of jacking sliding machine 3 makes mould bases rise to design altitude.In this way, completing a construction period.Figure 5a-5c for a work progress of the invention vertical bridge to schematic diagram.
Example:Certain urban viaduct is set up, main line standard paragraphs across footpath is based on 30m or so, the wide 25m of box beam, box beam center Height is based on 2m, using single Room section of case three.Full-bridge main line and ring road are divided into 109 constructions, use the utility model mobile formwork Set up, once construct one, one at most cast-in-place four across.
It should be pointed out that for those skilled in the art, before the utility model principle is not departed from Put, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.This reality Applying each part being not known in example can use prior art to be realized.

Claims (5)

1. a kind of box beam four moves integrally die carrier structure across one-piece casting, it is characterised in that:Including bracket, landing bracket column, Sliding machine, steel case girder, front launching nose, back launching nose, mould bases contact crossbeam, detachable template crossbeam, bed die, side form, internal model and Hydraulic system;
The sliding machine is arranged on bracket, and bracket is arranged below on landing bracket column, sliding trolley and is provided with steel case master Detachable template crossbeam, detachable template crossbeam are installed provided with bed die, side form and internal model, steel case master on beam, steel case girder Between beam crossbeam is contacted provided with mould bases;
The sliding machine is provided with three-way jack, including realizing mould bases folding and make the walking of mould bases accommodation curve section The self-locking jacking cylinder that traversing oil cylinder, promotion steel case girder vertical shift oil cylinder, drive steel case girder forward and retreat are lifted;
The mould bases contact crossbeam is the truss structure that four sections are formed by connecting by high-strength bolt, and centre is provided with crossbeam connecting pin Axle;The detachable template crossbeam is Bailey bracket form of eight sections by high-strength bolt;
Provided with horizontal, vertical web inside the steel case girder, ribbed stiffener, and being thickeied to upper and lower plates inside internally;
The mould bases that moves integrally is that downstriker has back launching nose formula mobile formwork;The front launching nose, back launching nose are internode by high-strength Bolted three sections empty stomach box-beam structure.
2. a kind of box beam four according to claim 1 moves integrally die carrier structure across one-piece casting, it is characterised in that:It is described Bed die is provided with adjustable seats;The side form peripheral hardware transverse direction and vertical adjustable supports, side form pass through hanging point adjustable supports spiral shell on joist Bar realizes wing mould angular adjustment.
3. a kind of box beam four according to claim 1 moves integrally die carrier structure across one-piece casting, it is characterised in that:It is described Mobile formwork balancing weight is installed before mould bases crossbeam is opened, mobile formwork balancing weight is by two single u-shaped bolts below template crossbeam U-shaped anchor ear is bent to single round steel.
4. a kind of box beam four according to claim 1 moves integrally die carrier structure across one-piece casting, it is characterised in that:It is described Hydraulic system is made up of hydraulic station, hydraulic cylinder, fluid pressure line and electric control system.
5. a kind of box beam four according to claim 1 moves integrally die carrier structure across one-piece casting, it is characterised in that:It is described Landing bracket column uses concrete filled steel tube, and direction across bridge is contacted by truss, while being held tightly by pier shaft.
CN201621345296.1U 2016-12-08 2016-12-08 A kind of box beam four moves integrally die carrier structure across one-piece casting CN206368328U (en)

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CN201621345296.1U CN206368328U (en) 2016-12-08 2016-12-08 A kind of box beam four moves integrally die carrier structure across one-piece casting

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108103945A (en) * 2017-12-21 2018-06-01 中国电建集团铁路建设有限公司 A kind of whole landing mould bases of cast-in-situ box girder
CN109352019A (en) * 2018-11-19 2019-02-19 青岛海西重机有限责任公司 A kind of crane walking equalizer bar axis hole processing method
CN110593114A (en) * 2019-09-27 2019-12-20 杭州悦为科技有限公司 Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket
CN110644368A (en) * 2019-09-29 2020-01-03 中铁大桥局集团第四工程有限公司 Integral installation method of movable formwork
WO2021022608A1 (en) * 2019-08-05 2021-02-11 山东恒堃机械有限公司 Removal-and-mounting-free movable formwork across concrete continuous girder

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108103945A (en) * 2017-12-21 2018-06-01 中国电建集团铁路建设有限公司 A kind of whole landing mould bases of cast-in-situ box girder
CN108103945B (en) * 2017-12-21 2019-10-22 中国电建集团铁路建设有限公司 A kind of whole landing mould bases of cast-in-situ box girder
CN109352019A (en) * 2018-11-19 2019-02-19 青岛海西重机有限责任公司 A kind of crane walking equalizer bar axis hole processing method
CN109352019B (en) * 2018-11-19 2019-09-24 青岛海西重机有限责任公司 A kind of crane walking equalizer bar axis hole processing method
WO2021022608A1 (en) * 2019-08-05 2021-02-11 山东恒堃机械有限公司 Removal-and-mounting-free movable formwork across concrete continuous girder
CN110593114A (en) * 2019-09-27 2019-12-20 杭州悦为科技有限公司 Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket
CN110644368A (en) * 2019-09-29 2020-01-03 中铁大桥局集团第四工程有限公司 Integral installation method of movable formwork

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Granted publication date: 20170801

Termination date: 20191208