阅读说明：本技术 一种分组开合移动模架及其曲线过跨施工方法 (A kind of grouping folding mobile formwork and its curve are crossed across construction method ) 是由 华勇 黄鹏 胡伟邦 曹汉城 向梨梨 叶鹏 于 2019-09-23 设计创作，主要内容包括：本发明涉及桥梁施工装备技术领域,具体地指一种分组开合移动模架及其曲线过跨施工方法。包括支撑牛腿,支撑牛腿为固定在墩柱上沿横桥向延伸的支撑架,还包括主梁和横梁；主梁为支撑于桥梁横向一侧的多个支撑牛腿上沿顺桥向布置的箱型梁结构,主梁可沿顺桥向移动、竖向移动以及绕竖向轴线转动地连接于支撑牛腿；横梁为沿横桥向布置的用于支撑模板的桁架结构,横梁可沿横桥向滑动地连接于主梁上端,位于墩柱横桥向两侧的两组横梁沿横桥向移动至对接形成支撑梁体模板的支撑结构。本发明的移动模架结构简单,过跨施工方法简单,可在有限空间内最大程度调节横梁横桥向位置,减小了支撑牛腿修造成本和规模,适合各种不同曲率变化的桥梁施工。(The present invention relates to bridge construction equipment technology fields, open and close mobile formwork in particular to a kind of grouping and its curve is crossed across construction method.Including supporting bracket, it further includes girder and crossbeam that support bracket, which is to be fixed on the support frame extended on pier stud along direction across bridge,；Girder is on the multiple support brackets for be supported in bridge lateral side along the box girder construction along bridge to arrangement, girder can along move along the bridge, it is vertically movable and be rotationally connected with support bracket around vertical axis；Crossbeam is the truss structure for being used to support template arranged along direction across bridge, and crossbeam can be slidably connected to girder upper end along direction across bridge, and two groups of crossbeams positioned at pier stud direction across bridge two sides are moved to the support construction that docking forms support beam body template along direction across bridge.Mobile formwork structure of the invention is simple, excessively simple across construction method, can utmostly adjust crossbeam direction across bridge position in a limited space, reduces support bracket and builds cost and scale, is suitble to the bridge construction of various different curvatures variations.)

1. a kind of grouping opens and closes mobile formwork, including support bracket (1), the support bracket (1) is to be fixed on pier stud along cross Support frame of the bridge to extension, it is characterised in that: further include girder (2) and crossbeam (3)；The girder (2) is to be supported in bridge cross To on multiple support brackets (1) of side along the box girder construction along bridge to arrangement, girder (2) can be along moving along the bridge, vertically It moves and is rotationally connected with support bracket (1) around vertical axis；The crossbeam (3) is to be used to support along what direction across bridge was arranged The truss structure of template, crossbeam (3) can be slidably connected to girder (2) upper end along direction across bridge, positioned at pier stud direction across bridge two sides Two groups of crossbeams (3) are moved to the support construction that docking forms support beam body template along direction across bridge.

2. a kind of grouping as described in claim 1 opens and closes mobile formwork.It is characterized by also including bearings trolley (4)；It is described Bearing trolley (4) is the understructure that support bracket (1) can be slidably connected to along direction across bridge, bearing trolley (4) and support bracket (1) it is provided between for driving support trolley (4) to move down traversing oil cylinder (5) along direction across bridge；The girder (2) can be along suitable Bridge is rotationally connected in bearing trolley (4) to around vertical axis.

3. a kind of grouping as claimed in claim 2 opens and closes mobile formwork.It is characterized by also including trolley balladeur train (6)；It is described Trolley balladeur train (6) is rotatably to be articulated and connected by vertical shaft (7) in the clamping support in bearing trolley (4), trolley Balladeur train (6) upper end is equipped with sliding slot (8)；Girder (2) the direction across bridge two sides are slidably connected to two groups of ipsilateral trolleys of pier stud respectively In the sliding slot (8) of balladeur train (6).

4. a kind of grouping opens and closes mobile formwork as claimed in claim 2 or claim 3.It is characterized by: the girder (2) and supporting station Be provided between vehicle (4) for drive girder (2) along move along the bridge vertical shift oil cylinder (9), for driving girder (2) vertically Mobile jacking cylinder (10).

5. a kind of grouping as described in claim 1 opens and closes mobile formwork.It is characterized by: the crossbeam (3) and girder (2) it Between be provided with upper traversing oil cylinder (11) for driving crossbeam (3) to move along direction across bridge.

6. a kind of curve of mobile formwork as described in claim 1 is crossed across method, it is characterised in that: release pier stud direction across bridge two sides The connection of the docking crossbeam (3) of pier stud will be passed by, driving releases two groups of crossbeams (3) of connection respectively along direction across bridge to far from pier Column side is mobile, and until being staggered along bridge on direction with pier stud, driving girder (2) edge moves along the bridge to bridge curve beam section, Driving girder (2) rotation keeps girder (2) consistent with curve beam section tangential direction, continues move along the bridge girder (2), until releasing The crossbeam (3) of connection moves completion docking along direction across bridge, then carries out curve beam section by curve beam section, driving crossbeam (3) Pouring construction.

7. a kind of curve as claimed in claim 6 is crossed across method, it is characterised in that: the pier stud direction across bridge two for releasing connection The method that side will pass by the docking crossbeam (3) of pier stud are as follows: releasing girder (2) upper end is fixedly connected with corresponding crossbeam (3), is driven Dynamic girder (2) lower end edge direction across bridge is to far from the movement of pier stud side, and then driving crossbeam (3) is along direction across bridge to far from pier stud side It is mobile, until the crossbeam (3) and pier stud are staggered along bridge on direction, crossbeam (3) is fixed on girder (2) again.

8. a kind of curve as claimed in claim 6 is crossed across method, it is characterised in that: the driving releases two groups of crossbeams of connection (3) method moved respectively along direction across bridge to separate pier stud side are as follows: the crossbeam (3) that first releasing of pier stud transverse direction side is connected Traversing positioning is carried out until the crossbeam (3) and pier stud are non-interference on direction along bridge, it is then another to the pier stud direction across bridge The correspondence crossbeam (3) of side carries out traversing positioning.

9. a kind of curve as claimed in claim 6 is crossed across method, it is characterised in that: driving girder (2) rotation makes girder (2) with the consistent method of curve beam section tangential direction are as follows: after girder (2) is moved to curve bridge section, driving release connection Crossbeam (3) moves along direction across bridge and the crossbeam (3) for releasing connection is docking together again, and girder (2) rotation is then driven to make to lead Beam (2) is consistent with curve beam section tangential direction.

Technical field

The present invention relates to bridge construction equipment technology fields, open and close mobile formwork and its curve mistake in particular to a kind of grouping Across construction method.

Background technique

Mobile formwork is equipped as a kind of Large Construction, adapts to the construction of cast-in-situ box-beam of the different high different terrains of pier.It is conventional Mobile formwork is only limitted to pouring for straight line or easement curve cast-in-situ box girder, and fully opens due to crossing spanning walk front beam, two Side girder is that individual system causes stability against overturning insufficient, and works as cast-in-situ box girder and be sharp radius curve and be located at violent typhoon area When, it is to be fixedly connected that conventional mobile formwork, which has the disadvantage in that (1) conventional entirety opens and closes mobile formwork crossbeam with girder, vertical shift When to avoid pier shaft girder need traversing relatively large distance, it is unfavorable to bracket stress；(2) height is required to wind speed when crossing across construction, is greater than 6 It can not construct when grade wind speed, seriously affect the construction period；(3) burst strong convective weather can not Accurate Prediction, construction safety It not can guarantee；(4) conventional mobile formwork vertical shift can only according to girder direction along straight line vertical shift, can not carry out curve cross across.

It, should such as the Chinese invention patent of entitled " self-propelled small radius movable mould frame " of Patent No. " CN101892633B " The mobile formwork girder of patent, the front launching nose of girder both ends connection and back launching nose, be arranged on pier can supporting leg voluntarily, branch Set trolley that can be traversing on leg, the longitudinal-moving device of girder, for hanging the shoulder pole girder of front launching nose, girder respectively, girder with it is leading It is articulated and connected between beam, back launching nose, trolley, which is equipped with, horizontally rotates device, and supporting leg includes front leg strut, middle supporting leg and rear support leg, preceding The longitudinal-moving device of the girder is respectively set on supporting leg and middle supporting leg, is respectively set on front leg strut, middle supporting leg and the rear support leg Front chassis, middle trolley and rear chassis, front chassis is identical with middle trolley structure, and front chassis and middle trolley include bogie frame, trolley Be articulated and connected support on frame, and support has left and right two, setting articulated connection axis, articulated connection between the bottom plate and bogie frame of support Attaching nut on axis sets hinge hole on bottom plate, and articulated connection axis passes through the bearing set in hinge hole, between bogie frame and support also Equipped with rotational support pad, self-propelled small radius movable mould frame is walked shoulder pole girder after further including, and rear shoulder pole girder both ends of walking are set respectively Hanging beam, hanging beam are equipped with hanger that can be traversing, and hanger lower end is connect with rear support leg.

The mobile formwork of the invention introduction manufactures and designs according to machinery standard, and degree of regulation is high；Full hydraulic system driving, it is whole Machine is small in size, light-weight, and control is more steady, and safety is relatively high；It is adapted to the high pier box girder construction in mountain area, without setting after installation Standby cooperation.The equipment is cut with scissors by level, horizontally rotates device, traverse displacement unit, longitudinal-moving device synergy, and mould bases is made to have radius Box girder construction ability is constructed from that can meet 400m radius.But there are some problems for the mobile formwork of the invention introduction, because of trolley It is to be fixedly connected between hanging girder, when needing to move along direction across bridge to avoid pier stud, needs to drive trolley along direction across bridge Mobile very big a distance, this not only needs the leg structure below trolley being made big, it is also necessary to which leg structure has very Strong load-carrying properties just as stated earlier need traversing relatively large distance to avoid pier shaft girder when vertical shift, unfavorable to bracket stress, Such structure is unfavorable for promoting the use of on a large scale, in addition, the crossbeam and bed die of this structure are cantilever design, girder center of gravity Close to crossbeam, stability is bad under the action of wind load.

Summary of the invention

The purpose of the present invention is to solve the deficiency of the above background technology, provide a kind of grouping folding mobile formwork and its Curve is crossed across construction method.

The technical solution of the present invention is as follows: a kind of grouping opens and closes mobile formwork, including support bracket, the support bracket is solid It is scheduled on the support frame extended on pier stud along direction across bridge, it is characterised in that: further include girder and crossbeam；The girder is to be supported in bridge Along the box girder construction along bridge to arrangement on multiple support brackets of beam transverse direction side, girder can be along moving along the bridge, vertically move It moves and is rotationally connected with support bracket around vertical axis；The crossbeam is along the purlin for being used to support template that direction across bridge is arranged Frame structure, crossbeam can be slidably connected to girder upper end along direction across bridge, and two groups of crossbeams positioned at pier stud direction across bridge two sides are along cross-bridges To the support construction for being moved to docking formation support beam body template.

It further further include bearing trolley；The bearing trolley is the bottom that support bracket can be slidably connected to along direction across bridge Holder structure is supported and is provided between trolley and support bracket for driving support trolley to move down traversing oil cylinder along direction across bridge； The girder can be rotationally connected on bearing trolley along bridge to around vertical axis.

It further include further trolley balladeur train；The trolley balladeur train is rotatably to be articulated and connected by vertical shaft in branch Clamping support on cushion cap vehicle, trolley balladeur train upper end are equipped with sliding slot；Girder direction across bridge two sides are slidably connected to pier respectively In the sliding slot of two groups of ipsilateral trolley balladeur trains of column.

It is provided between the further girder and bearing trolley for driving girder along the vertical shift oil to move along the bridge Cylinder, the jacking cylinder for driving girder vertically to move.

The upper traversing oil cylinder for driving crossbeam to move along direction across bridge is provided between the further crossbeam and girder.

A kind of curve is crossed across method, it is characterised in that: the docking crossbeam of pier stud will be passed by by releasing pier stud direction across bridge two sides Connection, driving release connection two groups of crossbeams respectively along direction across bridge to far from pier stud side move until and pier stud along bridge to It is staggered on direction, driving girder drives girder rotation to cut girder with curve beam section along moving along the bridge to bridge curve beam section Line direction is consistent, continues the girder that moves along the bridge, until the crossbeam for releasing connection drives crossbeam along direction across bridge by curve beam section It is mobile to complete docking, then carry out the pouring construction of curve beam section.

The method that the further pier stud direction across bridge two sides for releasing connection will pass by the docking crossbeam of pier stud are as follows: solution Except being fixedly connected for girder upper end and corresponding crossbeam, then driving girder lower end edge direction across bridge drives to mobile far from pier stud side Dynamic crossbeam is moved along direction across bridge to far from pier stud side, until the crossbeam and pier stud are staggered along bridge on direction, it again will be horizontal Beam is fixed on girder.

The further driving releases two groups of crossbeams of connection respectively along the side that direction across bridge is moved to separate pier stud side Method are as follows: traversing positioning first is carried out to the crossbeam of the releasing connection of pier stud transverse direction side until the crossbeam and pier stud are along bridge Xiang Fangxiang It is upper non-interference, traversing positioning then is carried out to the correspondence crossbeam of the pier stud direction across bridge other side.

The further driving girder rotation makes girder and the consistent method of curve beam section tangential direction are as follows: moves to girder It moves to curve bridge section, the crossbeam that driving releases connection is moved along direction across bridge is docked at one for the crossbeam for releasing connection again It rises, girder rotation is then driven to keep girder consistent with curve beam section tangential direction.

Specific construction is, after girder is moved to curve bridge section, the crossbeam that driving releases connection is moved along direction across bridge Again be docking together, n+1 pier then driven to support trolley to traversing far from pier stud direction, the support trolley of n+3 pier to Direction close to pier stud is traversing, so that mobile formwork girder is rotated by a certain angle around n+2 pier consistent with curve beam section tangential direction.

Advantages of the present invention has: 1, by by crossbeam and girder be set as can Relative sliding structure, master can be effectively reduced The traversing distance of beam, the scale for reducing support bracket improve girder vertical shift to reduce the manufacturing cost of entire mobile formwork Cross across when safety；

2, by the way that the automobile-used direction across bridge position to adjust girder of supporting station is arranged, bearing trolley structure is simple, traversing under Oil cylinder is used cooperatively, and be can be improved the mobile efficiency of girder direction across bridge, be can reduce entire mobile formwork by centralized control and apply The difficulty of work；

3, it realizes girder by trolley balladeur train to connect with the rotation for supporting trolley, structure is simple, and installation is easy to operate, just The direction of travel of across when adjustment girder is crossed in curve beam section in girder, interference of the pier stud to crossbeam and girder is avoided with this, can be fitted Bridge for various curvature is crossed across construction；

4, by setting jacking cylinder, molding and demoulding when convenient for bridge construction, jacking cylinder can be uniformly controlled, High degree improves efficiency when construction；

5, by the direction across bridge relative displacement being arranged between upper traversing oil cylinder realization crossbeam and girder, cooperate girder lower end Under traversing oil cylinder use, the mobile distance of crossbeam direction across bridge can be increased substantially in a limited space；

6, by carrying out direction across bridge movement to girder, moving along the bridge and rotating adjusting, convenient for carrying out route side to girder To being adjusted, to evade to crossbeam and pier stud, adapt to different curvature variation beam body cross across, construction method is simple, It is easy to operate, be greatly improved mobile formwork cross across efficiency；

7, by releasing docking crossbeam, driving crossbeam is moved along horizontal direction across bridge to be occurred in travelling route with this to evade Pier stud can be moved easily mould bases and pass through pier stud, avoid pier stud to the interference of mobile formwork, adapt to entire mobile formwork various The bridge construction of different curvature variation；

8, by carrying out double resolution to crossbeam direction across bridge is mobile, pass through the mobile cross with crossbeam of the direction across bridge of girder respectively Bridge is traversing in large-scale crossbeam to mobile realization, effectively reduces the construction scale of support bracket, improves running efficiency；

9, by the way that the crossbeam of fractionation to be docked to the cantilever position changed after crossbeam is split with girder together, revolve girder Center of gravity when turning is drawn close to centre, is avoided rollover problem caused by being rotated after splitting due to crossbeam from occurring, is improved movement Mould bases cross across safety.

Mobile formwork structure of the invention is simple, excessively simple across construction method, can utmostly adjust in a limited space Crossbeam direction across bridge position reduces support bracket and builds cost and scale, is suitble to the bridge construction of various different curvature variations, tool There is great promotional value.

Detailed description of the invention

Fig. 1: mobile formwork structural schematic diagram of the invention；

Fig. 2: girder, bearing trolley and trolley mould base attachment structure schematic diagram of the invention；

Fig. 3: vertical shift oil cylinder and girder and bearing trolley attachment structure schematic diagram of the invention；

Fig. 4: vertical shift oil cylinder and girder and bearing trolley connection structure side view of the invention；

Fig. 5: crossbeam and main beam connecting structure schematic diagram of the invention；

Fig. 6: the structural schematic diagram of the step 1 of the present embodiment；

Fig. 7: the structural schematic diagram of the step 2 of the present embodiment；

Fig. 8: the structural schematic diagram of the step 3 of the present embodiment；

Wherein: 1-support bracket；2-girders；3-crossbeams；4-bearing trolleys；Traversing oil cylinder under 5-；6-trolleys are sliding Frame；7-shafts；8-sliding slots；9-vertical shift oil cylinders；10-jacking cylinders；11-upper traversing oil cylinders.

Specific embodiment

The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.

Such as Fig. 1~5, the mobile formwork of the present embodiment is the formwork support structure being fixed on pier stud, including is set to pier Support bracket 1 on column supports the A-frame structure that pier stud direction across bridge two sides are anchored on bracket 1, including along horizontal cross-bridges To arrangement stull and vertically diagonal brace of the inclined shore between stull and pier stud, the mobile formwork of the present embodiment are supported on cross In support.

Mobile formwork includes girder 2, and as shown in Fig. 1~8, girder 2 is along the box girder construction along bridge to arrangement, and pier stud is horizontal Bridge is provided with two groups of girders 2 to two sides, and every group of girder 2 is respectively supported in the ipsilateral multiple stulls of pier stud, i.e., and every group girder 2 Support is in the ipsilateral multiple stulls of multiple pier studs.

Crossbeam 3 is provided on girder 2, as shown in figures 5-8, crossbeam 3 is the truss structure of direction across bridge arrangement, each girder 2 On be provided with multiple groups crossbeam 3, multiple groups crossbeam 3 is along bridge, to arranged for interval, the mutual corresponding crossbeam 3 of two of pier stud two sides can be with Be moved to be connected with each other along direction across bridge and be formed as one the support construction of supporting beam body formwork for placing, when need to carry out across when, Two groups of crossbeams 3 of docking split to be divided into two groups of independence crossbeams 3.

The present embodiment is provided with bearing trolley 4 in the stull of every group of support bracket 1, and bearing trolley 4 is can be along direction across bridge It is slidably connected to the understructure of support bracket 1, supports and is provided between trolley 4 and support bracket 1 for driving support trolley 4 Traversing oil cylinder 5 is moved down along direction across bridge, girder 2 can be rotationally connected on bearing trolley 4 along bridge to around vertical axis. The lower end for supporting trolley 4 is the groove-like structure being fastened in stull, and both limitations are generated along suitable relative displacement of the bridge to direction, but It is the relative displacement for not limiting the two direction across bridge, the traversing driving of oil cylinder 5 bearing trolley 4 is moved along direction across bridge under.

As shown in figs. 2 to 4, it supports and is provided with trolley balladeur train 6 on trolley 4, trolley balladeur train 6 is that can be revolved by vertical shaft 7 Turn ground articulated connection in the clamping support on bearing trolley 4,6 upper end of trolley balladeur train is equipped with sliding slot 8,2 direction across bridge two sides of girder It is slidably connected in the sliding slot 8 of two groups of ipsilateral trolley balladeur trains 6 of pier stud respectively.The side wall of 8 two sides of sliding slot is fastened on 2 upper limit of girder Trolley balladeur train 6 processed generates the relative displacement along direction across bridge with girder 2.It is provided between girder 2 and bearing trolley 4 for driving master Beam 2 is along the vertical shift oil cylinder 9 to move along the bridge, the jacking cylinder 10 for driving girder 2 vertically to move.Because girder 2 is to put Set in sliding slot 8, thus sliding slot 8 be not intended to limit girder 2 and trolley balladeur train 6 generate along bridge to vertical relative displacement, lead to Overdrive vertical shift oil cylinder 9 and jacking cylinder 10 can be completed to girder 2 along bridge to and vertical displacement adjust, be used for along bridge to displacement Mobile formwork is crossed across movement, and vertical displacement adjusts main use for demoulding or molding.

In addition, the present embodiment is provided with the upper cross for driving crossbeam 3 to move along direction across bridge between crossbeam 3 and girder 2 Move oil cylinder 11.By upper traversing oil cylinder 11 can trend crossbeam 3 and girder 2 generate the relative displacement along direction across bridge and move, i.e., this The mobile direction across bridge of embodiment includes two parts, first is that making 2 edge of girder by the driving of oil cylinder 5 traversing under supporting on trolley 4 Direction across bridge is mobile, the other is keeping crossbeam 3 opposite with the generation direction across bridge of girder 2 by the upper traversing driving of oil cylinder 11 on girder 2 Displacement.

When practice of construction, follow the steps below curve cross across: 1, as shown in fig. 6, girder 2 be supported on pier stud n, n+1, On the support bracket of n+2, the needs of girder 2 are gone to n+3 pier stud；

Cross across when, first release being fixedly connected for 2 upper end of girder and corresponding crossbeam 3, drive 2 lower end edge direction across bridge of girder to remote It is mobile from pier stud side, then drive crossbeam 3 to move along direction across bridge to far from pier stud side, until the crossbeam 3 and pier stud are suitable Bridge is staggered on direction, and (crossbeam d, e, f, g, j, k, l and m in as shown in Figure 6, crossbeam a, b, c, h and i can't be produced with pier stud Raw interference, there is no need to keep connection status), crossbeam 3 is fixed on girder 2 again, when practical operation, first to pier stud side Crossbeam 3 carry out traversing adjusting, after the completion of 3 position of crossbeam of side is adjusted, then to the crossbeam 3 of the corresponding pier stud other side into Line position sets adjusting, avoids that two groups of crossbeams 3 of correspondence of pier stud two sides are carried out while being adjusted, the lateral adjustments of crossbeam 3 simultaneously as far as possible To being fixedly connected for 2 upper end of girder and corresponding crossbeam 3 is released, driving 2 lower end edge direction across bridge of girder is moved to separate pier stud side, 3 position of crossbeam is constant at this time, and crossbeam 3 is then driven to move along direction across bridge to far from pier stud side, until the crossbeam 3 and pier stud exist It is staggered along bridge on direction, crossbeam 3 is fixed on girder 2 again；

2, as shown in fig. 7, driving girder 2 is along moving along the bridge to bridge curve beam section, the crossbeam 3 for releasing connection passes through pier Column, driving release connection crossbeam 3 along direction across bridge move again will release connection crossbeam 3 be docking together (as shown in fig. 7, Crossbeam a, b, c, e, f, g, h, i, k, l and m is docked at this time, and crossbeam d and j is because be exactly at pier stud, the company of releasing Connect), rotating force is applied to girder 2, makes 7 rotation around the shaft of girder 2, until the beam section that girder 2 adapts to n+3 pier stud position is bent Line variation；

3, as shown in figure 8, again break with pier stud generate interfere dock crossbeam 3 (as shown in fig. 7, at this time crossbeam a, b, c, D, h, i and j, and crossbeam e, f, g, k, l and m because moving process in can't generate interference there is no need to keep connection status), Along bridge to driving girder 2, until girder 2 passes through the pier stud of curve beam section completely, driving crossbeam 3 moves completion pair along direction across bridge It connects, then carries out the pouring construction of curve beam section.

As shown in Figure 1, the transverse direction of the present embodiment refers to the left and right directions in Fig. 1, longitudinally refer to the side of the vertical paper in Fig. 1 To, vertically refer to Fig. 1 in up and down direction.

The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent defines.