CN201261866Y - Down moving type movable mould frame - Google Patents

Down moving type movable mould frame Download PDF

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Publication number
CN201261866Y
CN201261866Y CNU2008200684646U CN200820068464U CN201261866Y CN 201261866 Y CN201261866 Y CN 201261866Y CN U2008200684646 U CNU2008200684646 U CN U2008200684646U CN 200820068464 U CN200820068464 U CN 200820068464U CN 201261866 Y CN201261866 Y CN 201261866Y
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CN
China
Prior art keywords
girder
supporting leg
vertical shift
traversing
leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008200684646U
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Chinese (zh)
Inventor
秦顺全
马涛
姚森
朱斌
章勋桁
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China Railway Major Bridge Engineering Co Ltd
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China Railway Major Bridge Engineering Co Ltd
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Priority to CNU2008200684646U priority Critical patent/CN201261866Y/en
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Publication of CN201261866Y publication Critical patent/CN201261866Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a downstroke moving framework, which comprises a main girder, guiding beams on both ends of the main girder, and a framework system arranged on the main girder, wherein three leg groups are arranged below the main girder and include an intermediate leg and a rear leg arranged on the front end and the rear end of the main girder, and a front leg arranged below the front guiding beam close to the main girder; and a leg, main girder and guiding beam longitudinal-transverse moving system and a main girder and guiding beam lifting device are arranged among the legs, the main girder and the guiding beams. The downstroke moving framework can achieve automatic movement without the need of extra cranes, thereby improving the adaptability and enhancing the economic competitiveness. The main girder can move transversely together with the outer framework system, so as to obviate the need of the framework transverse moving equipment and reduce the number of transverse moving cylinders by more than 60%; and integral demolding and molding can be achieved without adjusting the templates one by one and span by span, thereby reducing the work load, simplifying the process and greatly improving the level of mechanization.

Description

Downlink movable mould frame
Technical field
The utility model belongs to bridge Construction Technology, when being specifically related to a kind of construction of bridge engineering superstructure case beam, and the walking method of portable box girder construction mould bases and portable box girder construction mould bases.
Background technology
Mobile formwork can be divided into two classes according to its running mechanism present position, running mechanism is positioned at concrete box girder top, deserves to be called the line mobile formwork, and running mechanism is positioned at the concrete box girder below, claims downlink movable mould frame.Mobile formwork is as a kind of case beam in-situ depositing equipment that can be voluntarily, and its methods and efficient is voluntarily always paid close attention to by the people.The traveling of mobile formwork comprises the vertical shift of mould bases, traversing and lifting.Vertical shift is that mobile formwork is moved to next hole construction location from a hole, and the distance of vertical shift equals the footpath of striding of bridge, reaches tens of rice; Traversing is in order to make mobile formwork arrive the lateral attitude of design, is in order to avoid the pier shaft obstacle in the place ahead sometimes, guarantees that vertical shift carries out smoothly, and traversing amount does not wait from several centimeters to several meters; Lifting can be adjusted the elevation of mould bases, moves in length and breadth in order to the demoulding or cooperation, and the lifting amount of mould bases is generally at several centimeters to tens centimeters.The mobile formwork routine be a girder vertical shift from row method, not traversing, the soffit formwork system of mould bases laterally is being divided into two, and is traversing to both sides respectively; The supporting leg of mobile formwork utilizes other crane gear to be transported to next hole and reinstalls; After the girder of mould bases arrived design attitude, block-by-block was adjusted template to design attitude again.The mobile formwork routine is from the deficiency that row method exists: the more traversing equipment of the traversing needs of bed die system, and cost height, operation are many; The supporting leg of mobile formwork can not realize voluntarily having other crane gear to cooperate, and has increased cost, and poor when the site contour condition, when crane gear was difficult to use, the transhipment of supporting leg just became the bottleneck of Construction Through Form on Traveler; The template of mobile formwork all needs the block-by-block adjustment in each construction circulation, workload is big, finished product beam quality discreteness height.
Summary of the invention
The purpose of this utility model is to provide a kind of can realize girder and the whole downlink movable mould frame that moves of form frame system, and proposes its walking method, to overcome the problems referred to above.
The technical solution of the utility model is: downlink movable mould frame, it comprises girder, the nose girder that the girder two ends connect, the form frame system that is provided with on the girder, it is characterized in that girder divides into three groups of supporting legs, described supporting leg comprises middle supporting leg and the rear support leg that is provided with under the girder front-end and back-end, the front leg strut that front launching nose is provided with down near girder; Establish the system that moves in length and breadth of supporting leg, girder and nose girder and the lifting gear of girder and nose girder between middle supporting leg, rear support leg and front leg strut and girder and the nose girder.
Described every group of supporting leg comprises two symmetric arrangement, the supporting leg that structure is identical; Supporting leg comprises the basic sections of the supporting leg at top, and the height of landing leg that is connected with supporting leg fundamental segment pars infrasegmentalis is adjusted sections; The supporting leg head piece is established on the basic sections of supporting leg top.
The lifting gear of described girder and nose girder comprises and is located on the traversing slide and the hoist cylinder between the girder bottom surface.
The described system that moves in length and breadth comprises with traversing slide being the Traverse Displacement Unit and longitudinal-moving device of core: described Traverse Displacement Unit comprises the traversing slide that is connected with the supporting leg head piece, the traversing counter-force seat that is connected with the supporting leg head piece, and the sideslip oil cylinder that is connected between traversing counter-force seat and the traversing slide; Described longitudinal-moving device comprises by fixed bar and is fixedly connected on traversing slide on the supporting leg head piece, the sliding beam of vertical shift that girder and nose girder bottom are provided with, the movably vertical shift counter-force seat that connects on the sliding beam of vertical shift, the vertical shift oil cylinder that is connected between vertical shift counter-force seat and the traversing slide, the girder vertical shift track that girder and both sides, nose girder bottom are provided with, the vertical shift carrying roller that is provided with corresponding to girder vertical shift track on the traversing slide, and supporting leg longitudinal-moving device.
Described supporting leg head piece end face is established traversing guide rail, and traversing slide is divided into the limit guide rail groove, can relative slippage between limit guide rail groove and the traversing guide rail, but can not break away from.
Described supporting leg longitudinal-moving device comprises the supporting leg vertical shift track that is located at girder and nose girder lower edge both sides, establish on the supporting leg vertical shift track and hang wheel, hang to take turns to be connected and hang on the arm, hang and between arm and traversing slide easy-off is set and fixedlys connected, at least one hangs girder and the every side of nose girder on the axle of wheel and is connected drive motors.
Spar is established on the basic sections of described supporting leg top, and the spar of two supporting legs, is fixedly connected on the pier shaft drawing by finish rolling screw thread bar reinforcement in every group; Coxopodite height of landing leg adjusting section is fixedly connected on cushion cap and pushes up on the built-in fitting that fixedly installs.
Described front leg strut, middle supporting leg and rear support leg must be traversing before vertical shift, traversingly hour stop to its center of gravity and girder centroidal distance.
It is traversing on the supporting leg head piece together that the girder of described mobile formwork carries the exterior sheathing system, and the relative position of exterior sheathing and homonymy girder is constant.
The related mobile formwork of the utility model has following technical characterstic:
1, it is ingenious, reasonable in design to move concept of system in length and breadth, has concentrated girder lifting, vertical shift, traversing and supporting leg vertical shift, multiple function such as traversing, is the core of the utility model mobile formwork running mechanism;
2, by the cooperatively interacting of front leg strut, middle supporting leg and rear support leg, conversion voluntarily, realized the traveling automation of mobile formwork, do not needed extra lifting appliance to cooperate and have bad luck, the adaptive capacity of mobile formwork has been strengthened, economic competitiveness strengthens;
3, it is traversing together that girder carries the exterior sheathing system, reduced the traversing equipment of template, and the sideslip oil cylinder quantity of a complete set of mobile formwork reduces more than 60%;
4, the whole demoulding, whole matched moulds, need not by cross block-by-block and adjust template, the amount of labour reduces, operation is simplified, mechanization degree significantly improves;
5, symmetrical configuration, the construction of both can having advanced, also can retreat construction only needs the vertical shift oil cylinder changed to the opposite side of traversing slide and installs, and can avoid mobile formwork to reverse end for end at the construction field (site);
6, leg structure by finish rolling screw thread bar reinforcement to pull-shaped one-tenth anchor ear attached on the pier shaft, reliable and stable, from heavy and light, bearing capacity is strong.
Description of drawings
Fig. 1 mobile formwork elevation.
Fig. 2 state of building moves down dynamic model shelf structure profile.
The traversing back of Fig. 3 girder via hole state moves down dynamic model shelf structure profile.
The traversing back vertical shift of Fig. 4 supporting leg state moves down dynamic model shelf structure profile.
Fig. 5 mobile formwork moves the vertical elevation of system in length and breadth.
Fig. 6 mobile formwork moves system's transverse cross in length and breadth.
Fig. 6 a mobile formwork moves vertical shift guide rail enlarged diagram in the system in length and breadth.
Among the figure: 1 is girder, and 2 is nose girder, and 3 is inner formwork system, and 4 is the wing plate modular system, 5 is the side form system, and 6 is the bed die system, and 7 is front leg strut, 8 is middle supporting leg, and 9 is rear support leg, and 10 for moving system in length and breadth, 11 are the vertical shift carrying roller, and 12 are the vertical shift oil cylinder, and 13 are the sliding beam of vertical shift, 13-1 is a connecting hole, and 14 are vertical shift counter-force seat, and 15 is traversing slide, 16 is sideslip oil cylinder, and 17 is traversing counter-force seat, and 18 for hanging wheel, 19 for hanging arm, and 20 is fixed bar, and 21 is vertical oil cylinder, 22 is the supporting leg head piece, and 22-1 is traversing guide rail, and 23 is spacing guide-track groove, 24 is drive motors, and 25 is girder vertical shift track, and 26 is supporting leg vertical shift track, 27 is the basic sections of supporting leg, and 28 are supporting leg adjustment sections, and 29 is cushion cap top built-in fitting, 30 is spar, and 31 are finish rolling screw thread bar reinforcement, and 32 is concrete box girder, 34 is middle pier shaft, and 35 is the back pier shaft, and 36 is cushion cap
The specific embodiment
As shown in Figure 1, the concrete box girder 32 of between back pier shaft 35 and middle pier shaft 34, having built, two girders 1 of concrete box girder below, pier shaft both sides, be installed in the nose girder 2 (for front launching nose and back launching nose) at girder 1 two ends, inner formwork system 3 (among Fig. 2), be installed in wing plate modular system 4, side form system 5, bed die system 6 on the girder 1, be arranged in two front leg struts 7 of nose girder 2 belows, be arranged in two of the girder 1 front end below supporting leg 8 of merely hitting, be arranged in two rear support legs 9 of below, girder 1 rear end, and be arranged in the system that moves in length and breadth 10 between girder 1 and each supporting leg.
As shown in Figure 2, describe with the structure on the middle supporting leg, the structure of front leg strut and rear support leg is identical with structure on the middle supporting leg.A middle supporting leg is respectively arranged in middle pier shaft 34 both sides, and middle supporting leg comprises the basic sections 27 of the supporting leg at top, and the height of landing leg that is connected with the basic sections of supporting leg 27 bottoms is adjusted sections 28 (height of landing leg is adjusted the quantity of sections and decided according to construction requirement); Supporting leg head piece 22 is established on the basic sections of supporting leg 27 tops; Middle supporting leg is fixedly supported upon on the cushion cap top built-in fitting 29, and spar 30 (among Fig. 5) is established on two middle supporting leg tops, and the spar 30 on two supporting leg tops is fixed on the pier shaft drawing by finish rolling screw thread bar reinforcement 31 (among Fig. 6).
Establish in the middle supporting leg and move system and girder and nose girder lifting gear in length and breadth, the system that moves in length and breadth comprises Traverse Displacement Unit and longitudinal-moving device.
Traverse Displacement Unit as shown in Figure 6, it comprises the traversing slide 15 that is connected with supporting leg head piece 22, be connected traversing power set between traversing slide 15 and the supporting leg head piece 22, traversing slide 15 tops are installed vertical shift carrying roller 11 and are hung wheel 18, and 26 contacts are connected with supporting leg vertical shift track with girder vertical shift track 25 respectively.Traversing power set comprise the traversing counter-force seat 17 that is connected with supporting leg head piece 22, are connected sideslip oil cylinder 16 between traversing counter-force seat 17 and the traversing slide 15.
As shown in Figure 5, supporting leg head piece 22 end faces are established traversing guide rail 22-1, traversing slide 15 is divided into limit guide rail groove 23, pre-residual millimeter gap between limit guide rail groove 23 and traversing guide rail 22-1, limit guide rail groove 23 hooks the traversing guide rail 22-1 of supporting leg head piece 22, make between traversing slide 15 and the supporting leg head piece 22 and only can slide mutually, can not throw off mutually; Traversing slide 15 is fixed on the supporting leg by fixed bar 20, and the effect of fixed bar 20 is the stable of traversing slide 15 when guaranteeing girder 1 vertical shift; When taking place between traversing slide 15 and the supporting leg head piece 22 to slide mutually, fixed bar 20 should be removed in advance.
Shown in Fig. 6 a, traversing slide 15 tops are installed vertical shift carrying roller 11 and are hung wheel 18, and 26 contacts are connected with supporting leg vertical shift track with girder vertical shift track 25 respectively;
Longitudinal-moving device as shown in Figure 5, it comprises the sliding beam 13 of vertical shift that girder and nose girder divide into, and (the sliding beam 13 of vertical shift is located at the middle part of girder and nose girder bottom surface, as shown in Figure 6), connect movably vertical shift counter-force seat 14 on the sliding beam 13 of vertical shift, be connected vertical shift oil cylinder 12 between vertical shift counter-force seat 14 and the traversing slide 15; Establish row's connecting hole 13-1 on the sliding beam 13 of vertical shift at interval, vertical shift counter-force seat 14 is connected with connecting hole 13-1 by bolt, and vertical shift counter-force seat 14 is by vertically moving with the different connecting hole connection realization girder and the compartment of nose girder.Girder vertical shift track 25 is located at the both sides (Fig. 6) of girder and nose girder bottom, on the traversing slide 15 vertical shift carrying roller 11 is set, and vertical shift carrying roller 11 contacts with girder vertical shift track 25 that (Fig. 6 a).
Shown in Fig. 5 and Fig. 6 a, at least 4 dismountable arms 19 of hanging are set on the traversing slide 15, hang the upper end installation of arm 19 and hang wheel 18, hang on the supporting leg vertical shift track 26 of girder 1 lower edge both sides; Girder 1 every side has at least one to hang wheel 18 outfit drive motors 24.
As shown in Figure 3, the mobile formwork demoulding and traversingly put in place, the state of vertical shift via hole.Vertical oil cylinder 21 retractions, girder descends, outer moulding/demoulding; Girder descends until the girder vertical shift track 25 contact vertical shift carrying rollers 11 of its bottom, starts sideslip oil cylinder 16, spurs traversing slide 15, and it is traversing to a side to drive girder and exterior sheathing; In this process, girder 1 relative position of wing plate modular system 4, side form system 5, bed die system 6 and its homonymy is constant.After traversing the putting in place, bed die shifts out the pier shaft scope fully, and this moment, girder 1 can vertical shift.
As Fig. 4, the traversing state that puts in place, carries out vertical shift of middle supporting leg.Supporting leg that will move this moment and cushion cap break away from, by hanging arm 19 and hang wheel 18 and hang on the supporting leg vertical shift track 26 of mobile formwork girder lower edge both sides on the traversing slide 15, girder vertical shift track 25 is in disengaged position with vertical shift carrying roller 11, open sideslip oil cylinder 16, it is traversing laterally to promote supporting leg, until the supporting leg center of gravity near the girder center of gravity, avoid eccentric lift heavy to cause hanging of girder both sides to take turns 18 discontinuity, open this moment and hang the drive motors 24 installed on the wheel 18 (Fig. 6 a), supporting leg can vertical shift on supporting leg vertical shift track 26.
The method of girder lifting is: with 8 vertical oil cylinder 21 synchronizations of jacking up on the traversing slide 15 in two groups of tops in three groups of supporting legs such as described front leg strut 7, middle supporting leg 8, rear support leg 9, then girder rises, these 8 vertical oil cylinders 21 bounce back synchronously, and then girder descends until dropping on the vertical shift carrying roller 11.
The method of girder vertical shift is: at first girder is descended, by 11 supportings of the vertical shift carrying roller on front leg strut 7 and middle supporting leg 8 or front leg strut 7 and the rear support leg 9, the vertical shift oil cylinder 12 during stretch on the top then on the supporting leg 8 makes the girder vertical shift; After vertical shift oil cylinder 12 tops extend range, remove interim connection of vertical shift counter-force seat 14 and 13 on vertical shift cunning beam, the piston rod of vertical shift oil cylinder 12 carries 14 withdrawals of vertical shift counter-force seat, again vertical shift counter-force seat 14 is temporarily fixed on the sliding beam 13 of vertical shift, continue the top and stretch vertical shift oil cylinder 12, so repeatedly, put in place until the girder vertical shift.
The traversing method of girder is: at first girder is descended, by 11 supportings of the vertical shift carrying roller on middle supporting leg 8 and the rear support leg 9, remove the connection between the soffit formwork of the left and right sides afterwards, sideslip oil cylinder 16 is stretched to range in the top, traversing counter-force seat 17 is temporary fixed with supporting leg head piece 22, and withdrawal sideslip oil cylinder 16 piston rods spur traversing slide 15, it is traversing laterally together to drive girder, and the sideslip oil cylinder 16 on middle supporting leg 8 and the rear support leg 9 is wanted simultaneously operating; After piston rod is withdrawn fully, remove interim connection the between traversing counter-force seat 17 and the supporting leg head piece 22, jacking sideslip oil cylinder 16 is to range, traversing counter-force seat 17 retightens with supporting leg head piece 22, sideslip oil cylinder 16 retraction so repeatedly, puts in place until girder is traversing.The traversing to the inside method of girder in contrast, sideslip oil cylinder 16 becomes and draws to pushing away.
The method of supporting leg lifting is: with middle supporting leg 8 liftings is example, supporting leg 8 and 29 of cushion cap top built-in fittings is connected at first removing, hanging arm 19 and hanging wheel 18 in the installation on the traversing slide 15 in supporting leg 8 tops, after confirming that hanging arm 19 and hanging wheel 18 on front leg strut 7 and the traversing slide 15 in rear support leg 9 tops is in the dismounting state, vertical oil cylinder 21 on synchronization of jacking up front leg strut 7 and the rear support leg 9, girder is risen, supporting leg 8 rises in wheel 18,15 drives of traversing slide by hanging, and breaks away from cushion cap top built-in fitting 29; Vertical oil cylinder 21 on front leg strut 7 and the rear support leg 9 bounces back synchronously, and then middle supporting leg 8 descends.
The traversing method of supporting leg is: with middle supporting leg 8 vertical shifts is example, at first presses preceding method middle supporting leg 8 is risen, and breaks away from cushion cap top built-in fitting 29, and the pushing tow sideslip oil cylinder 16 afterwards, make supporting leg traversing laterally, until the center of gravity of the supporting leg center of gravity near girder; When supporting leg was traversing to the inside, sideslip oil cylinder 16 changes pushed away to drawing.
The method of supporting leg vertical shift is: with middle supporting leg 8 vertical shifts is example, at first according to preceding method with middle supporting leg 8 rise, traversing to center of gravity near girder 1 center of gravity, open the drive motors of hanging on the wheel 18 24, supporting leg is vertically moved along supporting leg vertical shift track 26.

Claims (7)

1, a kind of downlink movable mould frame, it comprises girder, the nose girder that the girder two ends connect, the form frame system that is provided with on the girder, it is characterized in that girder divides into three groups of supporting legs, described supporting leg comprises middle supporting leg and the rear support leg that is provided with under the girder front-end and back-end, the front leg strut that front launching nose is provided with down near girder; Establish the system that moves in length and breadth of supporting leg, girder and nose girder and the lifting gear of girder and nose girder between middle supporting leg, rear support leg and front leg strut and girder and the nose girder.
2, downlink movable mould frame according to claim 1 is characterized in that described every group of supporting leg comprises two symmetric arrangement, the supporting leg that structure is identical; Supporting leg comprises the basic sections of the supporting leg at top, and the height of landing leg that is connected with supporting leg fundamental segment pars infrasegmentalis is adjusted sections; The supporting leg head piece is established on the basic sections of supporting leg top.
3, downlink movable mould frame as claimed in claim 1 or 2, it is characterized in that moving in length and breadth system and comprise with traversing slide being the Traverse Displacement Unit and longitudinal-moving device of core: described Traverse Displacement Unit comprises the traversing slide that is connected with the supporting leg head piece, the traversing counter-force seat that is connected with the supporting leg head piece, and the sideslip oil cylinder that is connected between traversing counter-force seat and the traversing slide; Described longitudinal-moving device comprises by fixed bar and is fixedly connected on traversing slide on the supporting leg head piece, the sliding beam of vertical shift that girder and nose girder bottom are provided with, the movably vertical shift counter-force seat that connects on the sliding beam of vertical shift, the vertical shift oil cylinder that is connected between vertical shift counter-force seat and the traversing slide, the girder vertical shift track that girder and both sides, nose girder bottom are provided with, the vertical shift carrying roller that is provided with corresponding to girder vertical shift track on the traversing slide, and supporting leg longitudinal-moving device.
4, as downlink movable mould frame as described in the claim 3, it is characterized in that supporting leg head piece end face establishes traversing guide rail, traversing slide is divided into the limit guide rail groove, can relative slippage between limit guide rail groove and the traversing guide rail, but can not break away from.
5, as downlink movable mould frame as described in the claim 3, it is characterized in that described supporting leg longitudinal-moving device comprises the supporting leg vertical shift track that is located at girder and nose girder lower edge both sides, establish on the supporting leg vertical shift track and hang wheel, hang to take turns to be connected and hang on the arm, hang and between arm and traversing slide easy-off is set and fixedlys connected, at least one hangs girder and the every side of nose girder on the axle of wheel and is connected drive motors.
6, downlink movable mould frame as claimed in claim 1 or 2 is characterized in that the basic sections of supporting leg top establishes spar, and the spar of two supporting legs, is fixedly connected on the pier shaft drawing by finish rolling screw thread bar reinforcement in every group; Coxopodite height of landing leg adjusting section is fixedly connected on cushion cap and pushes up on the built-in fitting that fixedly installs.
7, as downlink movable mould frame as described in the claim 3, the lifting gear that it is characterized in that girder and nose girder comprises and is located on the traversing slide and the hoist cylinder between the girder bottom surface.
CNU2008200684646U 2008-07-11 2008-07-11 Down moving type movable mould frame Expired - Lifetime CN201261866Y (en)

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Application Number Priority Date Filing Date Title
CNU2008200684646U CN201261866Y (en) 2008-07-11 2008-07-11 Down moving type movable mould frame

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010015178A1 (en) * 2008-08-06 2010-02-11 中铁大桥局股份有限公司 Upper-bearing typed movable formwork
CN101581073B (en) * 2008-07-10 2011-08-17 中铁大桥局股份有限公司 Downlink movable mould frame and walking method thereof
CN102587290A (en) * 2012-02-29 2012-07-18 中铁一局集团有限公司 Movable formwork for construction of large-span continuous beam and construction method
CN105178187A (en) * 2015-06-24 2015-12-23 镇江佳鑫精工设备有限公司 Truss horizontal moving type mould
CN107090782A (en) * 2017-06-20 2017-08-25 山东恒堃机械有限公司 A kind of multipurpose supporting leg
CN107090779A (en) * 2017-06-14 2017-08-25 山东恒堃机械有限公司 A kind of mobile formwork front leg strut running gear
CN107829374A (en) * 2017-12-13 2018-03-23 中国铁建大桥工程局集团有限公司 Highway prestress concrete box girder mobile formwork and construction method of encorbelmenting
CN110117933A (en) * 2018-02-06 2019-08-13 广东省基础工程集团有限公司 A kind of beam sections pier top cast-in-situ moving mold frame

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581073B (en) * 2008-07-10 2011-08-17 中铁大桥局股份有限公司 Downlink movable mould frame and walking method thereof
WO2010015178A1 (en) * 2008-08-06 2010-02-11 中铁大桥局股份有限公司 Upper-bearing typed movable formwork
CN102587290A (en) * 2012-02-29 2012-07-18 中铁一局集团有限公司 Movable formwork for construction of large-span continuous beam and construction method
CN102587290B (en) * 2012-02-29 2013-10-23 中铁一局集团有限公司 Movable formwork for construction of large-span continuous beam and construction method
CN105178187A (en) * 2015-06-24 2015-12-23 镇江佳鑫精工设备有限公司 Truss horizontal moving type mould
CN107090779A (en) * 2017-06-14 2017-08-25 山东恒堃机械有限公司 A kind of mobile formwork front leg strut running gear
CN107090782A (en) * 2017-06-20 2017-08-25 山东恒堃机械有限公司 A kind of multipurpose supporting leg
CN107829374A (en) * 2017-12-13 2018-03-23 中国铁建大桥工程局集团有限公司 Highway prestress concrete box girder mobile formwork and construction method of encorbelmenting
CN107829374B (en) * 2017-12-13 2023-06-09 中国铁建大桥工程局集团有限公司 Movable formwork for highway prestressed concrete box girder and cantilever construction method
CN110117933A (en) * 2018-02-06 2019-08-13 广东省基础工程集团有限公司 A kind of beam sections pier top cast-in-situ moving mold frame

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: No. 5 Enginering Co., Ltd. Of China Zhongtie Major Bridge Engineering

Assignor: China Zhongtie Major Bridge Engineering Co., Ltd.

Contract record no.: 2010420000044

Denomination of utility model: Double line box girder downward mobile formwork bridge fabrication machine and construction method thereof

Granted publication date: 20090624

License type: Exclusive License

Record date: 20100505

AV01 Patent right actively abandoned

Granted publication date: 20090624

Effective date of abandoning: 20080711