CN105970823B - A kind of box girder inner formwork system that body is distorted for large span, superelevation - Google Patents
A kind of box girder inner formwork system that body is distorted for large span, superelevation Download PDFInfo
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- CN105970823B CN105970823B CN201610413958.2A CN201610413958A CN105970823B CN 105970823 B CN105970823 B CN 105970823B CN 201610413958 A CN201610413958 A CN 201610413958A CN 105970823 B CN105970823 B CN 105970823B
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- 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
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Abstract
The invention discloses a kind of for large span, the box girder inner formwork system of superelevation distortion body, it includes the interior mould bases with heavily loaded cross direction moving device and the internal model in interior mould bases；Internal model includes top plate, upper angle mould, middle part flat-die and lower angle mould；Upper angle mould is connected to above the flat-die of middle part；Lower angle mould is connected to below the flat-die of middle part；Top plate is overlapped on angle mould upper end；The steel truss and interior mould bases upper frame for support internal mould are provided with interior mould bases；The internal model hydraulic system for adjusting internal model is provided with steel truss；The internal model tommy system for finely tuning and fixing internal model is additionally provided between interior mould bases and internal model.The present invention can meet the needs of the prefabricated various structure changes of large-scale section box girder, solve superelevation distortion body section spar-box beam inner core template and change various problem, while box beam quality is ensured, reduce the security risk of construction, process and assemble man-hour is shortened, significantly reduces labourer's intensity of worker.
Description
Technical field
The present invention relates to a kind of box girder inner formwork system, belongs to bridge prefabrication box girder webs technical field, more particularly to a kind of
Box beam horizontal slope is fine-tuning, while adapts to height and web all in the Novel box beam-ends modular system of change.
Background technology
It is beam prefabricated for short-term matching segment, at present both at home and abroad on straight line, contour uiform section segment girder precast short-term
Stencil design and using comparative maturity, but the large span for occurring in recent years, segment girder precast template on easement curve,
If deck transverse slope is in the long scope of 65m bridges, horizontal slope is gradient to -2% by+2%.It is superelevation in K6+666.779~K6+731.779
Transition, long 65m, left width bridge horizontal slope are -2%, and right width bridge horizontal slope is+2%, now according to box beam of the prior art
Prefabricated steel-template system is just needed according to the prefabricated multigroup different types of end modular system of different segment of bridge to adapt to bridge
Pour, so undoubtedly drastically increase construction material cost, add the input of large lifting equipment, reduce construction effect,
Extend construction period, it is difficult to ensure the quality of box section varying dimensions required precision.
A kind of railway is disclosed in Chinese invention patent specification CN101302739B, highways and streets bridge is used
The hydraulic internal mold car of prestressed concrete box girder, it includes combined inner mold plate, some hydraulic jack groups, vertical shift dolly and some groups
Strut, vertical shift dolly are arranged in the internal cavities of combined inner mold plate, the top template in combined inner mold plate respectively with mould in left and right
The end face of plate abuts；In top template telescopic oil cylinder and left and right template telescopic oil cylinder respectively with vertical shift dolly and top template and in
The inner surface of template is relatively connect, and left and right lower template telescopic oil cylinder is hinged with lower template and middle template respectively；After combined inner mold plate is propped,
Supported with some struts.In the invention template employ with backform identical move linearly stripping means, make the stripping of template more
Add easily, the space required for template motion is smaller, so as to adapt to energy more easily by box beam endplate preformed hole, inner formwork system
Power is stronger, and hydraulic jack arrangement is more reasonable.But the invention can not meet that various structures become when large-scale section box girder is prefabricated
The needs of change, meanwhile, the invention can not also directly apply to large span, the box beam of superelevation distortion body makes.
Known clearly disclosed in Chinese invention patent specification CN102001127B a kind of combined box beam hydraulic internal mold, including mould
Plate, guide pillar, girder, support base, the template are connected by adjustable column with guide pillar, and guide pin bushing, its bottom are equipped with the girder
Equipped with guide rail, the guide pillar is installed in the guide pin bushing and can slided in it, and it is traversing that bob-weight load is provided with the support base
Device, the girder bears to carry on cross direction moving device and can slide in the bob-weight by guide rail hauls out beam body by internal model.The invention
Internal model is provided with guide rail on girder, has subtracted other the step of laying shifting formwork track, has improved operating efficiency.And due to not
Template with position employs different receipts mould modes, makes each section template to meet to receive mould requirement.The invention have operation,
It is easy to use, the features such as box beam Forming Quality is good, and stripping rate is fast, and production efficiency is high；But the invention is only suitable only for of the same race
Used in the box girder inner formwork design of type, can not meet that large span, the box beam of superelevation distortion body make, and the internal model branch of the invention
Support is not enough to support large span, the box beam of superelevation distortion body.
The content of the invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved in the present invention is to provide one kind be used for greatly across
The box girder inner formwork system of degree, superelevation distortion body, it can be effectively real-time according to the Specific construction situation of the different segment of bridge
Adjust internal model position so as to meet large span, superelevation distortion body box beam make.
In order to solve the above technical problems, present invention employs such a in large span, the box beam of superelevation distortion body
Modular system, it includes the interior mould bases with heavily loaded cross direction moving device and the internal model in interior mould bases；The internal model include top plate, on
Angle mould, middle part flat-die and lower angle mould；The upper angle mould is connected to above the middle part flat-die；The lower angle mould be connected to it is described in
Below portion's flat-die；The top plate is overlapped on the upper angle mould upper end；It is provided with the interior mould bases for supporting the internal model
Steel truss and interior mould bases upper frame；The internal model hydraulic system for adjusting internal model is provided with the steel truss；The interior mould bases and
The internal model tommy system for finely tuning and fixing internal model is additionally provided between the internal model.
In a kind of preferred embodiment of the present invention, the internal model hydraulic system includes upper angle mould governor motion, middle part
Flat-die governor motion and lower angle mould governor motion.
In a kind of preferred embodiment of the present invention, the upper angle mould governor motion includes vertical hydraulic cylinder and horizontal liquid
Cylinder pressure；One end of the vertical hydraulic cylinder is fixed in steel truss, and the other end is hinged with interior mould bases upper frame；The horizontal hydraulic cylinder
One end is connected on interior mould bases upper frame, and the other end is connected with upper angle mould；The interior mould bases upper frame is slidably matched with the upper angle mould
Connection.
In a kind of preferred embodiment of the present invention, the middle part flat-die governor motion includes being used to adjust middle part flat-die
The horizontal brace walking beam and middle part flat-die Level tune hydraulic cylinder of spacing, the vertical push rod for adjusting middle part flat-die height；
Described horizontal brace walking beam one end is fixed on steel truss, and the other end is slidably connected with vertical push rod；The middle part flat-die water
Heibei provincial opera section hydraulic cylinder one end is hinged with steel truss, and the other end is connected with internal model；The fixing end and internal model of the vertical push rod are affixed；
The threaded adjusting end of the vertical push rod is located above the horizontal brace walking beam.
In a kind of preferred embodiment of the present invention, the vertical push rod includes being oriented to fixed mount；Described be oriented to is fixed
The vertical chute to coordinate with the horizontal brace walking beam is provided with frame；Vertically set on the guiding fixed mount
It is equipped with adjustable for height screw rod；The guiding fixed mount is fixed in the internal model and connected with middle part flat-die Level tune hydraulic cylinder
Connect；Described be oriented in the vertical chute of fixed mount is connected with the horizontal brace walking beam；The screw rod can be with the water
Flat stull walking beam, which coordinates, jacks the internal model.
In a kind of preferred embodiment of the present invention, the horizontal brace walking beam is with the guiding fixed mount by inserting
Pin is fixedly connected.
In a kind of preferred embodiment of the present invention, the lower angle mould governor motion includes bottom hydraulic cylinder；The bottom
Portion hydraulic cylinder one end is hinged with lower angle mould, and the other end is hinged with the steel truss.
In a kind of preferred embodiment of the present invention, the internal model tommy system includes vertical swing arm, level rotation
Bar, oblique swing arm and assistant reinforcement swing arm；The vertical swing arm, the horizontal swing arm and described tiltedly equal one end of swing arm three with it is described
Steel truss is hinged, and the other end is hinged with the internal model；The assistant reinforcement swing arm is hinged between lower angle mould.
In a kind of preferred embodiment of the present invention, it is provided with the interior mould bases upper frame for connecting the upper angle mould
Guide wheel；The chute that can coordinate with the guide wheel is provided with the upper angle mould.
In a kind of preferred embodiment of the present invention, the middle part flat-die includes fixed flat-die and replaceable flat-die；Institute
Fixed flat-die is stated to be fixed in below the upper angle mould；The replaceable flat-die is removably attachable to below the fixed flat-die.
The beneficial effects of the invention are as follows：The present invention can meet the needs of the prefabricated various structure changes of large-scale section box girder,
Solve superelevation distortion body section spar-box beam inner core template and change various problem, while box beam quality is ensured, reduce and apply
The security risk of work, process and assemble man-hour is shortened, significantly reduce labourer's intensity of worker, to large span minor radius bridge
In beam during the freeboard section construction of superelevation distortion body section box beam, the present invention is by setting the interior module system of internal model tommy system
System is realizing hydraulic pressure automated construction, and latch-up structure after and can fine adjustment, construction precision is high, securely and reliably, while has good
Good adaptability.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention is a kind of for large span, the structural representation of the box girder inner formwork system of superelevation distortion body；
Fig. 2 is that a kind of A-A for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention is cutd open in Fig. 1
View (display internal model hydraulic system structure)；
Fig. 3 is that a kind of B-B for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention is cutd open in Fig. 1
View (display internal model tommy system architecture)；
Fig. 4 is that the embodiment of the present invention is a kind of for large span, the internal model hydraulic pressure system of the box girder inner formwork system of superelevation distortion body
System structural representation；
Fig. 5 is that a kind of middle part flat-die for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention is adjusted
Whole view；
Fig. 6 is that a kind of middle part flat-die for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention is adjusted
Whole view；
Fig. 7 is that a kind of middle part flat-die for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention is adjusted
Whole view；
Fig. 8 is that the embodiment of the present invention is a kind of for large span, the vertical push rod knot of the box girder inner formwork system of superelevation distortion body
Structure schematic diagram；
Fig. 9 is that the embodiment of the present invention is a kind of for large span, the lower angle mould regulation of the box girder inner formwork system of superelevation distortion body
Structural scheme of mechanism；
Figure 10 is that a kind of internal model structure for large span, the box girder inner formwork system of superelevation distortion body of the embodiment of the present invention shows
It is intended to；
Figure 11 is that the embodiment of the present invention is a kind of for large span, the internal model structure master of the box girder inner formwork system of superelevation distortion body
View；
Figure 12 is that the embodiment of the present invention is a kind of for large span, the upper angle mould adjustment of the box girder inner formwork system of superelevation distortion body
Schematic diagram；
Figure 13 is that the embodiment of the present invention is a kind of for large span, the upper angle mould adjustment of the box girder inner formwork system of superelevation distortion body
Schematic diagram；
Figure 14 is that the embodiment of the present invention is a kind of for large span, the internal model hydraulic pressure system of the box girder inner formwork system of superelevation distortion body
Internal model receives mould schematic diagram during off working state of uniting；
Figure 15 is that the embodiment of the present invention is a kind of for large span, the internal model hydraulic pressure system of the box girder inner formwork system of superelevation distortion body
Internal model hold mode schematic diagram during working condition of uniting；
Figure 16 is that the embodiment of the present invention is a kind of for large span, the internal model screw thread rotation of the box girder inner formwork system of superelevation distortion body
Lever system off working state internal model receives mould schematic diagram；
Figure 17 is that the embodiment of the present invention is a kind of for large span, the internal model screw thread rotation of the box girder inner formwork system of superelevation distortion body
Lever system working condition internal model hold mode schematic diagram；
In figure：1- interior mould bases；2- internal models；3- internal model hydraulic systems；4- internal model tommy systems；1.1- steel truss；
1.2- interior mould bases upper frames；2.1- top plate；The upper angle moulds of 2.2-；Flat-die in the middle part of 2.3-；Angle mould under 2.4-；The upper angle mould governor motions of 3a-；
Flat-die governor motion in the middle part of 3b-；Angle mould governor motion under 3c-；3a-1- vertical hydraulic cylinders；3a-2- horizontal hydraulic cylinders；3b-1- water
Flat stull walking beam；Flat-die Level tune hydraulic cylinder in the middle part of 3b-2-；The vertical push rods of 3b-3-；3c-1- bottoms hydraulic cylinder；301- is led
To fixed mount；302- screw rods；The vertical swing arms of 4a-；The horizontal swing arms of 4b-；The oblique swing arms of 4c-；4d- assistant reinforcement swing arms；101- guide wheels；
102- chutes；201- fixes flat-die；The replaceable flat-dies of 202-.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Knowable to a kind of structural representation of box girder inner formwork system for distorting body for large span, superelevation as shown in Figure 1, this
Inventing a kind of box girder inner formwork system for large span, superelevation distortion body includes the interior mould bases 1 with heavily loaded cross direction moving device and installation
Internal model 2 in interior mould bases 1；Internal model 2 includes top plate 2.1, upper angle mould 2.2, middle part flat-die 2.3 and lower angle mould 2.4；Upper angle mould
2.2 are connected to the top of middle part flat-die 2.3；Lower angle mould 2.4 is connected to the lower section of middle part flat-die 2.3；Top plate 2.1 is overlapped on angle mould
2.2 upper end；The steel truss 1.1 and interior mould bases upper frame 1.2 for supporting the internal model 2 are provided with interior mould bases 1；Steel truss 1.1
On be provided with internal model hydraulic system 3 for adjusting internal model 2；It is additionally provided between interior mould bases 1 and internal model 2 for finely tuning and fixing
The internal model tommy system 4 of internal model 2.
Internal model hydraulic system structure sectional view as shown in Figure 2 understands that internal model hydraulic system 3 includes upper angle mould governor motion
3a, middle part flat-die governor motion 3b and lower angle mould governor motion 3c.Wherein upper angle mould governor motion 3a includes vertical hydraulic cylinder 3a-
1 and horizontal hydraulic cylinder 3a-2；Vertical hydraulic cylinder 3a-1 one end is fixed in steel truss 1.1, and the other end is cut with scissors with interior mould bases upper frame 1.2
Connect；Horizontal hydraulic cylinder 3a-2 one end is connected on interior mould bases upper frame 1.2, and the other end is connected with upper angle mould 2.2；Interior mould bases upper frame
1.2 are slidably connected with upper angle mould 2.2.During work, interior mould bases upper frame 1.2 is jacked using vertical hydraulic cylinder 3a-1 so as to realize
The change of internal model whole height, horizontal hydraulic cylinder 3a-2 work after jacking in place, so as to realize the regulation of the width of internal model 2, finally
Top plate 2.1 is taken and is placed on upper angle mould 2.2.Middle part flat-die governor motion 3b includes being used for the water for adjusting middle part flat-die spacing
Flat stull walking beam 3b-1 and middle part flat-die Level tune hydraulic cylinder 3b-2, the vertical push rod for adjusting middle part flat-die height
3b-3；Horizontal brace walking beam 3b-1 one end is fixed on steel truss 1.1, and the other end is slidably connected with vertical push rod 3b-3；In
Portion flat-die Level tune hydraulic cylinder 3b-2 one end is be hinged with steel truss 1.1, and the other end is connected with internal model 2；Vertical push rod 3b-3's
Fixing end and internal model 2 are affixed；Vertical push rod 3b-3 threaded adjusting end is located above horizontal brace walking beam 3b-1.Vertical push rod
3b-3 includes being oriented to fixed mount 301；It is vertical to coordinate with horizontal brace walking beam 3b-1 to be provided with guiding fixed mount 301
Chute；It is oriented on fixed mount 301 and is vertically provided with adjustable for height screw rod 302；It is oriented to fixed mount 301 and is fixed in internal model
It is connected on 2 and with middle part flat-die Level tune hydraulic cylinder 3b-2；It is oriented in the vertical chute of fixed mount 301 described in being connected with
Horizontal brace walking beam 3b-1；Screw rod 302 can coordinate with horizontal brace walking beam 3b-1 jacks the internal model 2.Horizontal brace is lived
Dynamic beam 3b-1 is fixedly connected with being oriented to fixed mount 301 by latch.Its structure and working condition are as shown in Fig. 5 to Fig. 8.Due in
The volume of portion's flat-die 2.3 is larger, so multiple middle part flat-die governor motion 3b can be set on the flat-die of middle part, while for the ease of upper
Angle mould 3a regulation, middle part flat-die governor motion 3b can also be set between two upper angle mould 3a, to aid in 3a regulation.Under
Angle mould governor motion 3c includes bottom hydraulic cylinder 3c-1；Bottom hydraulic cylinder 3c-1 one end is be hinged with lower angle mould 2.4, the other end and steel
Truss 1.1 is be hinged.
Internal model tommy system is additionally provided with order to improve the integrally-built rigidity of the present invention and construction precision, the present invention
4, as shown in Figure 16 and Figure 17, it includes vertical swing arm 4a, horizontal swing arm 4b, oblique swing arm 4c and assistant reinforcement swing arm 4d；Vertically
Swing arm 4a, horizontal swing arm 4b and the equal one end of oblique swing arm 4c three and steel truss 1.1 are be hinged, and the other end is be hinged with internal model 2；Auxiliary adds
Strong swing arm 4d is hinged between lower angle mould 2.4.In the system swing arm structure include be provided at both ends with internal thread hollow sleeve and
It is connected to the joint at hollow sleeve both ends；Joint is threadedly coupled with hollow sleeve, is connected to the hollow sleeve not joint of homonymy
External screw thread is oppositely oriented.
For the ease of the operation of the present invention, it is provided with interior mould bases upper frame 1.2 of the invention for connecting upper angle mould 2.2
Guide wheel 101；The chute 102 that can coordinate with guide wheel 101 is provided with upper angle mould 2.2, the wherein guiding is not limited in not Invention figure
Shown mechanism, as long as be able to can meet to require to the water guided in translation of interior mould bases upper frame 1.2.Middle part flat-die 2.3 includes fixing
Flat-die 201 and replaceable flat-die 202；Fixed flat-die 201 is fixed in the lower section of upper angle mould 2.2；Replaceable flat-die 202 is detachable
Ground is connected to the lower section of fixed flat-die 201.Equally lower angle mould can also be replaced according to different segment beam.
Use comprising the following steps that for the present invention：
(1) the vertical hydraulic cylinder 3a-1 of internal model, horizontal brace walking beam 3b-1, horizontal hydraulic cylinder 3a-2, bottom liquid are tightened up
Cylinder pressure 3c-1, using interior mould bases bottom dolly, internal model is transported to rough location.
(2) adjust internal model vertical hydraulic cylinder 3a-1, slowly pushing tow and on, while adjustment be connected on angle mould 2.2
Vertical push rod 3b-3 opens internal model horizontal hydraulic cylinder 3a-2 to auxiliary adjustment, and upper angle mould 2.2 is first supportted design position
Put.Then upper angle mould 2.2 is fixed using the vertical swing arm 4a, horizontal swing arm 4b, oblique swing arm 4c that are connected on upper angle mould 2.2.
(3) regulation horizontal hydraulic cylinder 3a-2 and middle part flat-die Level tune hydraulic cylinder 3b-2 holds out against internal model level, then profit
Middle part flat-die 2.3 is strutted and fixed with the horizontal swing arm 4b being connected in internal model 2.
(4) regulation is connected to the bottom hydraulic cylinder 3c-1 expansion inferior horns on lower angle mould 2.4, it may be necessary in lower angle mould
Assistant reinforcement swing arm 4d is set to be aided between 2.4.
(5) each vertical swing arm 4a, horizontal swing arm 4b, oblique swing arm 4c, the assistant reinforcement of internal model tommy system 4 are revolved
Bar 4d is gradually locked from top to bottom.
Processing for freeboard section, first regulation are connected to the vertical swing arm 4a on angle mould 2.2 to determine upper angle mould
Height and position, the horizontal swing arm 4b and oblique swing arm 4c that then fine setting is connected on angle mould 2.2 are fitted to design position step by step
Put.
It should be appreciated that protection scope of the present invention is not limited thereto, any those skilled in the art exist
Disclosed herein technical scope in, the change or replacement that can readily occur in, should all cover protection scope of the present invention it
It is interior.
Claims (8)
1. it is a kind of for large span, superelevation distortion body box girder inner formwork system, including the interior mould bases (1) with heavily loaded cross direction moving device and
Internal model (2) in interior mould bases (1)；The internal model (2) includes top plate (2.1), upper angle mould (2.2), middle part flat-die (2.3)
With lower angle mould (2.4)；The upper angle mould (2.2) is connected to above the middle part flat-die (2.3)；Lower angle mould (2.4) connection
Below the middle part flat-die (2.3)；The top plate (2.1) is overlapped on upper angle mould (2.2) upper end；It is characterized in that：Institute
State the steel truss (1.1) and interior mould bases upper frame (1.2) being provided with interior mould bases (1) for supporting the internal model (2)；The steel truss
The internal model hydraulic system (3) for adjusting internal model (2) is provided with frame (1.1)；The interior mould bases (1) and the internal model (2) it
Between be additionally provided with for finely tuning and fixing the internal model tommy system (4) of internal model (2)；The internal model hydraulic system (3) includes
Upper angle mould governor motion (3a), middle part flat-die governor motion (3b) and lower angle mould governor motion (3c)；The middle part flat-die regulation
Mechanism (3b) includes being used for the horizontal brace walking beam (3b-1) and middle part flat-die Level tune hydraulic pressure for adjusting middle part flat-die spacing
Cylinder (3b-2), the vertical push rod (3b-3) for adjusting middle part flat-die height；Described horizontal brace walking beam (3b-1) one end is solid
It is connected on steel truss (1.1), the other end is slidably connected with vertical push rod (3b-3)；The middle part flat-die Level tune hydraulic cylinder
(3b-2) one end is be hinged with steel truss (1.1), and the other end is connected with internal model (2)；The fixing end of the vertical push rod (3b-3) with
Internal model (2) is affixed；The threaded adjusting end of the vertical push rod (3b-3) is located above the horizontal brace walking beam (3b-1).
It is 2. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The upper angle mould governor motion (3a) includes vertical hydraulic cylinder (3a-1) and horizontal hydraulic cylinder (3a-2)；The vertical hydraulic cylinder
The one end of (3a-1) is fixed in steel truss (1.1), and the other end is be hinged with interior mould bases upper frame (1.2)；Horizontal hydraulic cylinder (the 3a-
2) one end is connected on interior mould bases upper frame (1.2), and the other end is connected with upper angle mould (2.2)；The interior mould bases upper frame (1.2) with
Upper angle mould (2.2) sliding connection.
It is 3. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The vertical push rod (3b-3) includes being oriented to fixed mount (301)；Be provided with guiding fixed mount (301) to the water
The vertical chute that flat stull walking beam (3b-1) coordinates；Vertically being provided with height on the guiding fixed mount (301) can
The screw rod (302) of tune；It is described guiding fixed mount (301) be fixed in the internal model (2) and with middle part flat-die Level tune hydraulic pressure
Cylinder (3b-2) connects；Described be oriented in the vertical chute of fixed mount (301) is connected with the horizontal brace walking beam (3b-
1)；The screw rod (302) can coordinate with the horizontal brace walking beam (3b-1) jacks the internal model (2).
It is 4. according to claim 3 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The horizontal brace walking beam (3b-1) is fixedly connected with the guiding fixed mount (301) by latch.
It is 5. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The lower angle mould governor motion (3c) includes bottom hydraulic cylinder (3c-1)；Described bottom hydraulic cylinder (3c-1) one end and lower angle mould
(2.4) it is hinged, the other end is be hinged with the steel truss (1.1).
It is 6. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The internal model tommy system (4) includes vertical swing arm (4a), horizontal swing arm (4b), oblique swing arm (4c) and assistant reinforcement swing arm
(4d)；The vertical swing arm (4a), the horizontal swing arm (4b) and described tiltedly equal one end of swing arm (4c) three and the steel truss
(1.1) it is hinged, the other end is be hinged with the internal model (2)；The assistant reinforcement swing arm (4d) is hinged between lower angle mould (2.4).
It is 7. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The guide wheel (101) for connecting the upper angle mould (2.2) is provided with the interior mould bases upper frame (1.2)；The upper angle mould (2.2)
On be provided with can with the guide wheel (101) coordinate chute (102).
It is 8. according to claim 1 a kind of for large span, the box girder inner formwork system of superelevation distortion body, it is characterised in that：
The middle part flat-die (2.3) includes fixed flat-die (201) and replaceable flat-die (202)；The fixed flat-die (201) is fixed in institute
State below angle mould (2.2)；The replaceable flat-die (202) is removably attachable to below the fixed flat-die (201).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413958.2A CN105970823B (en) | 2016-06-13 | 2016-06-13 | A kind of box girder inner formwork system that body is distorted for large span, superelevation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413958.2A CN105970823B (en) | 2016-06-13 | 2016-06-13 | A kind of box girder inner formwork system that body is distorted for large span, superelevation |
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| CN105970823A CN105970823A (en) | 2016-09-28 |
| CN105970823B true CN105970823B (en) | 2017-11-24 |
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|---|---|---|---|---|
| CN110553127A (en) * | 2019-08-15 | 2019-12-10 | 中铁上海工程局集团有限公司 | Adjustable support device and use method thereof |
| CN111958781A (en) * | 2020-08-18 | 2020-11-20 | 郑州大学 | Auxiliary forming device for prefabricated section beam |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB183477A (en) * | 1921-07-20 | 1923-10-18 | Gabriel Marcel Gouyaud | Method of constructing arches of reinforced concrete without using any moulds, archedfalseworks or scaffoldings |
| AT256920B (en) * | 1964-07-02 | 1967-09-11 | Ast Ed Ing & Co | Process for the production of bridge structures or the like. |
| IT1282248B1 (en) * | 1995-03-01 | 1998-03-16 | Rivoli Spa | FORMWORK PROCEDURE FOR THE CREATION OF CANTILEVER ELEMENTS IN HOME PRODUCTS AND RELATED FORMWORK SYSTEM |
| CN102001127B (en) * | 2010-10-26 | 2012-07-04 | 湖南中铁五新钢模有限责任公司 | Combined box girder hydraulic internal mould |
| CN202702379U (en) * | 2012-06-29 | 2013-01-30 | 浙江工业大学 | Curved bridge prefabricated small box girder adjustable template |
| CN102828468B (en) * | 2012-09-13 | 2015-03-25 | 永升建设集团有限公司 | Construction method for controlling prefabricated crack of high-strength thin-walled box girder under high-temperature dry condition |
| CN204414305U (en) * | 2014-12-10 | 2015-06-24 | 中交第二航务工程局有限公司 | A kind of prefab-form system for many casees corrugated steel web case beam that broadens |
| CN204690605U (en) * | 2015-03-20 | 2015-10-07 | 宇杰集团股份有限公司 | The self-propelled triangular truss hanging basket of large span beam bridge |
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2016
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