CN108098982A - Large-span Precast box beam hydraulic deploying and retracting internal mold - Google Patents
Large-span Precast box beam hydraulic deploying and retracting internal mold Download PDFInfo
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- CN108098982A CN108098982A CN201810044691.3A CN201810044691A CN108098982A CN 108098982 A CN108098982 A CN 108098982A CN 201810044691 A CN201810044691 A CN 201810044691A CN 108098982 A CN108098982 A CN 108098982A
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- backform
- hydraulic
- side form
- deploying
- box beam
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- 238000005192 partition Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 9
- 238000005266 casting Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
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- 238000005345 coagulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The present invention provides a kind of Large-span Precast box beam hydraulic deploying and retracting internal molds, including backform and are arranged at multiple liftable supporters below backform；Wherein, the both sides of backform are articulated with side form respectively, two side forms enclose the hollow structure of bottom-open with backform, and the first hydraulic cylinder is connected between backform and side form, first hydraulic cylinder can drive side form to be rotated toward and away from backform, liftable supporter includes walking beam, spandrel girder and the raise-lower hydraulic oil cylinder being connected between walking beam and spandrel girder, spandrel girder is fixedly connected on the bottom surface of backform, walking beam is located at the lower section of spandrel girder, and raise-lower hydraulic oil cylinder can drive spandrel girder to be moved toward and away from walking beam.Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention effectively strengthens the rigidity of length direction so that backform is unlikely to deform in large-span concrete casting process.
Description
Technical field
The present invention relates to box beam manufacturing technology field, in more particularly to a kind of Large-span Precast box beam hydraulic folding and unfolding
Mould.
Background technology
On High-speed Passenger Dedicated Lines, in view of high standards of the high speed traveling to Track regularity energy, therefore big portion
Pavement branch sections are crossed over using bridge structure form, this so that whole hole hollow prestress box-girder is widely applied.Prefabricated case beam
Hydraulic pressure deploying and retracting internal mold is to solve prefabricated case beam internal cavities in concreting process to pour mold.But due to being subject to
The limitation of length direction rigidity, the precast box beam hydraulic deploying and retracting internal mold generally use that the prior art uses are 32 meters or 24 meters,
To ensure that backform is indeformable in concreting process, so as to which the Large-span Precast of High-speed Passenger Dedicated Lines can not be applied to
Box beam makes.
The content of the invention
The object of the present invention is to provide in a kind of Large-span Precast box beam hydraulic folding and unfolding that can strengthen length direction rigidity
Mould.
In order to achieve the above objectives, the present invention provides a kind of Large-span Precast box beam hydraulic deploying and retracting internal mold, including：Top
Mould, the both sides of the backform are articulated with side form respectively, and two side forms enclose the hollow structure of bottom-open with the backform,
And the first hydraulic cylinder is connected between the backform and the side form, first hydraulic cylinder can drive the side form direction
Or it is rotated away from the backform；The multiple liftable supporters being arranged at below the backform, the liftable supporter bag
Include walking beam, spandrel girder and the raise-lower hydraulic oil cylinder being connected between the walking beam and the spandrel girder, the walking beam
Positioned at the lower section of the spandrel girder, the spandrel girder is fixedly connected on the bottom surface of the backform, and the raise-lower hydraulic oil cylinder can drive
The spandrel girder is moved to move toward and away from the walking beam.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the both sides difference of the raise-lower hydraulic oil cylinder
Equipped with flexible guide rod, one end of the flexible guide rod is fixedly connected with the walking beam, the flexible guide rod it is another
End is fixedly connected with the spandrel girder.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the backform includes standard paragraphs backform, transition
Duan Dingmo and partition wall section backform, the partition wall section backform are connected by the changeover portion backform with the standard paragraphs backform.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, it is connected to the standard paragraphs backform both sides
The side form is standard paragraphs side form, is connected to the side form of the changeover portion backform both sides as changeover portion side form, is connected to institute
The side forms of partition wall section backform both sides is stated as partition wall section side form, between the standard paragraphs side form and the changeover portion side form, with
And there is gap between the changeover portion side form and the partition wall section side form.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the gap is 65mm~85mm.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the standard paragraphs side form is articulated with standard paragraphs
Angle mould, and the second hydraulic cylinder is connected between the standard paragraphs side form and the standard paragraphs angle mould, second hydraulic cylinder
The standard paragraphs angle mould can be driven to be rotated toward and away from the standard paragraphs side form；The changeover portion side form is articulated with changeover portion
Angle mould, and the 3rd hydraulic cylinder is connected between the changeover portion side form and the changeover portion angle mould, the 3rd hydraulic cylinder
The changeover portion angle mould can be driven to be rotated toward and away from the changeover portion side form.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the both ends of the standard paragraphs backform are set respectively
There are standard paragraphs end flanges, the both ends of the changeover portion backform are respectively equipped with changeover portion end flanges, the partition wall section backform
At least one end is equipped with partition wall section end flanges, is connected by the standard paragraphs end flanges with the changeover portion end flanges, institute
It states standard paragraphs backform with the changeover portion backform to connect, passes through the changeover portion end flanges and the partition wall section end flanges phase
It connects, the changeover portion backform connects with the partition wall section backform.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the Large-span Precast box beam hydraulic folding and unfolding
Internal model further includes control device, and the control device is oily with first hydraulic cylinder and the raise-lower hydraulic respectively by oil pipe
Cylinder connects.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the lower section of the liftable supporter is equipped with
For conveying the conveying device of the liftable supporter, the conveying device includes stent, and the upper surface of the stent connects
There are multiple idler wheels that can be rotated, the walking beam can be arranged on the idler wheel, can be driven by the rotation of the idler wheel described
Walking beam is moved back and forth along the stent.
Large-span Precast box beam hydraulic deploying and retracting internal mold as described above, wherein, the stent is equipped with can be with the walking
The pull rod that beam connects.
Compared with prior art, advantages of the present invention is as follows：
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, by connecting spandrel girder in the bottom surface of backform, and
Walking beam is connected in the lower section of spandrel girder, effectively strengthens the length direction rigidity of Large-span Precast box beam hydraulic deploying and retracting internal mold,
Ensure the integral hoisting rigidity of Large-span Precast box beam hydraulic deploying and retracting internal mold so that backform is in large-span concrete casting process
In it is indeformable, 40 meters can be extended to so as to Large-span Precast box beam hydraulic deploying and retracting internal mold, can be applied to high-speed railway passenger traffic
The Large-span Precast box beam of special line makes；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, by control device control the first hydraulic cylinder,
The action of raise-lower hydraulic oil cylinder, the second hydraulic cylinder and the 3rd hydraulic cylinder so that Large-span Precast box beam hydraulic deploying and retracting internal mold
Operation simplifies, and Large-span Precast box beam hydraulic deploying and retracting internal mold folding and unfolding process is more easily controlled, and improves operability
And intuitive, and realize that the designing scheme that globality uses creates possibility for Large-span Precast box beam hydraulic deploying and retracting internal mold；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention is stretched by being set in the both sides of raise-lower hydraulic oil cylinder
Contracting guide rod, adds the integrated support area of fulcrum, and then stability when improving concreting；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, it is mixed waiting by setting pull rod on stent
During solidifying soil solidification, walking beam and stent draw admittedly by pull rod, it is ensured that Large-span Precast box beam hydraulic folding and unfolding
The stability of internal model in use.
Description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structure diagram of the Large-span Precast box beam hydraulic deploying and retracting internal mold of the present invention；
Fig. 2 be in Fig. 1 A-A to structure diagram；
Fig. 3 is B-B direction structure diagram in Fig. 1；
Fig. 4 is the side structure schematic view of the Large-span Precast box beam hydraulic deploying and retracting internal mold of the present invention.
Drawing reference numeral explanation：
1st, backform；11st, standard paragraphs backform；12nd, changeover portion backform；13rd, partition wall section backform；2nd, side form；21st, standard paragraphs side
Mould；211st, standard paragraphs angle mould；22nd, changeover portion side form；222nd, changeover portion angle mould；23rd, partition wall section side form；3rd, the first hydraulic cylinder；
4th, liftable supporter；41st, walking beam；42nd, spandrel girder；43rd, raise-lower hydraulic oil cylinder；44th, stretch guide rod；5th, control device；
6th, the second hydraulic cylinder；7th, the 3rd hydraulic cylinder；8th, conveying device；81st, stent；811st, pull rod；82nd, idler wheel；83rd, supporting leg；9、
Bed die；10th, standard paragraphs；20th, changeover portion；30th, partition wall section.
Specific embodiment
In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the description of the drawings present invention
Specific embodiment.
As shown in Figure 1, Figure 2 and Figure 3, it is specific next the present invention provides a kind of Large-span Precast box beam hydraulic deploying and retracting internal mold
It says, is a kind of hydraulic pressure deploying and retracting internal mold of the Large-span Precast box beam for the High-speed Passenger Dedicated Lines for being used to make speed per hour 350km,
It includes backform 1 and is arranged at multiple liftable supporters 4 of 1 lower section of backform；Wherein, the both sides of backform 1 are articulated with side respectively
Mould 2, specifically, the both sides for being connected to backform 1 that the upper end of two side forms 2 can rotate so that two side forms 2 enclose bottom with backform 1
The open hollow structure in portion, and the first hydraulic cylinder 3 is connected between backform 1 and side form 2, i.e., between each side form 2 and backform 1
It is all connected with there are one the first hydraulic cylinder 3, the first hydraulic cylinder 3 can drive side form 2 to be rotated toward and away from backform 1, i.e., logical
It crosses the first hydraulic cylinder 3 driving side form 2 to rotate, changes the relative position of side form 2 and backform 1, to change by two side forms 2 and backform
The size of 1 hollow structure enclosed, so that expansion and the stripping operation of Large-span Precast box beam hydraulic deploying and retracting internal mold
Simple and convenient, multiple liftable supporters 4 are arranged in hollow structure, it is preferred that multiple liftable supporters 4 are arranged in one
Row, each liftable supporter 4 include walking beam 41, spandrel girder 42 and the liter being connected between walking beam 41 and spandrel girder 42
Descending liquid compressing cylinder 43, walking beam 41 are located at the lower section of spandrel girder 42, and spandrel girder 42 is fixedly connected on the bottom surface of backform 1, by holding
Weight beam 42 adds the length direction rigidity of backform 1, so as to add Large-span Precast box beam hydraulic deploying and retracting internal mold length direction
Rigidity, and the walking beam 41 being connected as one with spandrel girder 42 by raise-lower hydraulic oil cylinder 43, then further increase large span
The length direction rigidity of precast box beam hydraulic deploying and retracting internal mold so that Large-span Precast box beam hydraulic deploying and retracting internal mold can extend to 40
Rice, and the Large-span Precast box beam that can apply to High-speed Passenger Dedicated Lines makes, raise-lower hydraulic oil cylinder 43 can drive spandrel girder
42 move toward and away from walking beam 41, i.e., by raise-lower hydraulic oil cylinder 43 spandrel girder 42 are driven to move up and down, to change top
The position of mould 1 so that the descending operation of backform 1 becomes simple and convenient.
Further, spandrel girder 42 and walking beam 41 are steel box beam, and spandrel girder 42 is welded to connect with backform 1, welding
Mode is solid and reliable, is effectively guaranteed the reliability connected between spandrel girder 42 and backform 1, and side form 2 passes through hinge and backform 1
Connect.
Further, Large-span Precast box beam hydraulic deploying and retracting internal mold further includes control device 5, and control device 5 passes through oil pipe point
Do not connect with the first hydraulic cylinder 3 and raise-lower hydraulic oil cylinder 43, pass through first hydraulic cylinder of the control of control device 53 and lifting liquid
The action of compressing cylinder 43 so that the first hydraulic cylinder 3 and raise-lower hydraulic oil cylinder 43 can synchronization action so that large span is pre-
Box beam hydraulic deploying and retracting internal mold operation processed simplifies, and Large-span Precast box beam hydraulic deploying and retracting internal mold folding and unfolding process is more easily slapped
Control.
Certainly, spandrel girder 42 can also be connected using bolt with backform 1, and side form 2 can also use axis pin and 1 phase of backform
Connect, details are not described herein, but as long as can realize into spandrel girder 42 connect with backform 1, side form 2 be pivotally connected with backform 1 it is any existing
There are structure or its simple replacement, it should all be within protection scope of the present invention.
When needing using Large-span Precast box beam hydraulic deploying and retracting internal mold, raise-lower hydraulic oil cylinder is controlled by control device 5
43 actions make spandrel girder 42 jack to design requirement height, are jacked up backform 1 by spandrel girder 42, while control the first hydraulic oil
Cylinder 3 acts, and the side form 2 for being arranged at 1 both sides of backform is unfolded, when side form 2 is deployed into the degree of design requirement, you can pass through control
Device 5 makes the first hydraulic cylinder 3 and raise-lower hydraulic oil cylinder 43 keep this state, then can be needed according to actual fabrication into
Row In Reinforced Concrete Box Girder makes；
When prefabricated box -beam completion, after concrete strength reaches demoulding strength, first pass through control device 5 and control the first hydraulic oil
Cylinder 3, which acts, shrinks the side form 2 of Large-span Precast box beam hydraulic deploying and retracting internal mold, then controls 43 action of raise-lower hydraulic oil cylinder that will hold
Weight beam 42 is down to appropriate location, i.e., after Large-span Precast box beam hydraulic deploying and retracting internal mold is shunk, you can by entire Large-span Precast
Box beam hydraulic deploying and retracting internal mold is hauled out.
It should be noted that control device 5 is hydraulic operating system, raise-lower hydraulic oil cylinder 43 and first is specifically controlled
The mode of hydraulic pressure is the prior art, and details are not described herein.
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, by connecting spandrel girder 42 in the bottom surface of backform 1,
And walking beam 41 is connected in the lower section of spandrel girder 42, effectively strengthen the length direction of Large-span Precast box beam hydraulic deploying and retracting internal mold
Rigidity, it is ensured that the integral hoisting rigidity of Large-span Precast box beam hydraulic deploying and retracting internal mold so that backform 1 is poured in large-span concrete
It is indeformable during building, so as to which Large-span Precast box beam hydraulic deploying and retracting internal mold can extend to 40 meters, it can be applied to high-speed iron
The Large-span Precast box beam of road Line for Passenger Transportation makes；First hydraulic cylinder 3 and raise-lower hydraulic oil cylinder 43 are controlled by control device 5
Action so that Large-span Precast box beam hydraulic deploying and retracting internal mold operation simplify, and cause Large-span Precast box beam hydraulic folding and unfolding in
Mould folding and unfolding process is more easily controlled, and improves operability and intuitive, and is Large-span Precast box beam hydraulic deploying and retracting internal mold
Realize that the designing scheme that globality uses creates possibility.
Further, as shown in Figures 2 and 3, it is contemplated that raise-lower hydraulic oil cylinder 43 is in cast, it is necessary to bear backform 1, side form
2 and cast concrete pressure, easily there is situation about rocking, in order to strengthen the stability of raise-lower hydraulic oil cylinder 43, rising
The both sides of descending liquid compressing cylinder 43 are respectively equipped with flexible guide rod 44, and one end of flexible guide rod 44 is fixedly connected with walking beam 41,
The other end of flexible guide rod 44 is fixedly connected with spandrel girder 42, and the guide rod 44 that stretches can moving up and down and stretch with spandrel girder 42
Contracting is added the integrated support area of fulcrum by the guide rod 44 that stretches, it is steady in concreting to significantly improve backform 1
It is qualitative.
In one embodiment of the invention, as shown in figure 4, backform 1 includes standard paragraphs backform 11, changeover portion backform 12
With partition wall section backform 13, partition wall section backform 13 is connected by changeover portion backform 12 with standard paragraphs backform 11, i.e., entire large span is pre-
Box beam hydraulic deploying and retracting internal mold processed is divided into 30 3 standard paragraphs 10, changeover portion 20 and partition wall section parts, and can be according to actual use
It needs, adjusts the length of standard paragraphs 10, the different lengths such as 24 meters, 32 meters, 32.6 meters, 40 meters or 40.6 meters are poured into a mould to be formed
The Large-span Precast box beam hydraulic deploying and retracting internal mold of prefabricated case beam.
Further, the side form 2 of 11 both sides of standard paragraphs backform is connected to as standard paragraphs side form 21, is connected to changeover portion backform 12
The side form 2 of both sides is changeover portion side form 22, the side form 2 of 13 both sides of partition wall section backform is connected to as partition wall section side form 23, in order to keep away
Exempt to interfere with each other between the side form 2 of different piece, between standard paragraphs side form 21 and changeover portion side form 22 and changeover portion side form 22
There is gap (not shown) between partition wall section side form 23, it is preferred that gap is 65mm~85mm, both so that different piece
Between side form 2 will not interfere with each other, and do not interfere with box beam cast make.
Further, as shown in Figure 2, Figure 3 and Figure 4, standard paragraphs side form 21 is articulated with standard paragraphs angle mould 211, and standard paragraphs
The second hydraulic cylinder 6 is connected between side form 21 and standard paragraphs angle mould 211, the second hydraulic cylinder 6 passes through oil pipe and control device 5
It is connected, the second hydraulic cylinder 6 can drive standard paragraphs angle mould 211 to be rotated toward and away from standard paragraphs side form 21；Changeover portion side
Mould 22 is articulated with changeover portion angle mould 222, and the 3rd hydraulic cylinder 7 is connected between changeover portion side form 22 and changeover portion angle mould 222,
3rd hydraulic cylinder 7 is connected by oil pipe with control device 5, the 3rd hydraulic cylinder 7 can drive changeover portion angle mould 222 towards or
Person rotates away from changeover portion side form 22, that is to say, that control device 5 can control the first hydraulic cylinder 3, raise-lower hydraulic oil simultaneously
The action of cylinder 43, the second hydraulic cylinder 6 and the 3rd hydraulic cylinder 7, so that in folding and unfolding Large-span Precast box beam hydraulic folding and unfolding
The operation of mould simplifies, and Large-span Precast box beam hydraulic deploying and retracting internal mold folding and unfolding process is more easily controlled.
Further, the both ends of standard paragraphs backform 11 are respectively equipped with standard paragraphs end flanges (not shown), changeover portion top
The both ends of mould 12 are respectively equipped with changeover portion end flanges (not shown), and at least one end of partition wall section backform 13 is equipped with partition wall section
End flanges (not shown) is connected by standard paragraphs end flanges with changeover portion end flanges, standard paragraphs backform 11 and mistake
It crosses section backform 12 to connect, be connected by changeover portion end flanges with partition wall section end flanges, changeover portion backform 12 and partition wall section top
Mould 13 connects, and such connection mode is simple and convenient, so that the assembling of Large-span Precast box beam hydraulic deploying and retracting internal mold is simple
It is convenient.
In one embodiment of the invention, as shown in Figures 2 and 3, the lower section of liftable supporter 4 is equipped with for defeated
The conveying device 8 of liftable supporter 4 is sent, conveying device 8 includes stent 81, and stent 81 is located at the lower section of backform 1, stent 81
Upper surface be connected with it is multiple can rotate idler wheels 82, it is preferable that the extending direction of multiple idler wheel 82 along stents 81 be arranged as it is parallel and
Spaced two rows, walking beam 41 are located on idler wheel 82, and walking beam 41 can be driven along stent 81 by the rotation of idler wheel 82
It moves back and forth, so that the stripping operation of entire Large-span Precast box beam hydraulic deploying and retracting internal mold is simple and convenient, under stent 81
End face is connected with supporting leg 83, and supporting leg 83 is connected on bed die 9.
Further, in order to prevent during concrete setting, 41 opposite brackets 81 of walking beam move, and are equipped on stent 81
Walking beam 41 and stent 81 draw admittedly, it is ensured that large span is pre- by the pull rod 811 that can connect with walking beam 41 by pull rod 811
Stability during box beam hydraulic deploying and retracting internal mold use processed.
The use process of Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention is illustrated below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2 and Figure 3, when needing using Large-span Precast box beam hydraulic deploying and retracting internal mold, first in bed die 9
Upper installation supporting leg 83, the mounting bracket 81 on supporting leg 83 install idler wheel 82 on stent 81, then will be connected with the liter of backform 1
Descending branch support arrangement 4 is pushed into pouring position by idler wheel 82, then by control device 5 43 action of raise-lower hydraulic oil cylinder is controlled to make to hold
Weight beam 42 is jacked to design requirement height, i.e., backform 1 is increased to design position, while controls the action of the first hydraulic cylinder 3 will
Standard paragraphs side form 21, changeover portion side form 22 and partition wall section side form 23 are unfolded, when mark standard paragraphs side form 21, changeover portion side form 22 and every
Wall section side form 23 is deployed into the degree of design requirement, protects the first hydraulic cylinder 3 and raise-lower hydraulic oil cylinder 43 by control device 5
Hold this state, it is possible to carry out In Reinforced Concrete Box Girder making；
When prefabricated box -beam completion, after concrete strength reaches demoulding strength, first pass through control device 5 and control the first hydraulic oil
Cylinder 3, which acts, shrinks standard paragraphs side form 21, changeover portion side form 22, partition wall section side form 23, and spandrel girder 42 then is down to appropriate position
It puts, walking beam 41 is made to be moved out by idler wheel 82 afterwards, until entire Large-span Precast box beam hydraulic deploying and retracting internal mold is dragged out
Concrete box girder, this stripping means mechanization degree is high, and work efficiency is high.
It should be noted that according to the design needs, the 3rd hydraulic cylinder 7 and the 4th hydraulic oil are driven by control device 5
Cylinder acts, and can adjust 222 position of standard paragraphs angle mould 211 and changeover portion angle mould, in casting process, passes through the guide rod 44 that stretches
The integrated support area of fulcrum is added, improves stability during concreting；During concrete setting is waited,
Walking beam 41 and stent 81 draw admittedly, to ensure that Large-span Precast box beam hydraulic deploying and retracting internal mold used by pull rod 811
Stability in journey.
In conclusion Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, by being connected in the bottom surface of backform
Spandrel girder, and walking beam is connected in the lower section of spandrel girder, effectively strengthen the length of Large-span Precast box beam hydraulic deploying and retracting internal mold
Directional stiffness, it is ensured that the integral hoisting rigidity of Large-span Precast box beam hydraulic deploying and retracting internal mold so that backform is in large span coagulation
It is indeformable in native casting process, so as to which Large-span Precast box beam hydraulic deploying and retracting internal mold can extend to 40 meters, it can be applied to height
The Large-span Precast box beam of fast special line for passenger trains makes；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, by control device control the first hydraulic cylinder,
The action of raise-lower hydraulic oil cylinder, the second hydraulic cylinder and the 3rd hydraulic cylinder so that Large-span Precast box beam hydraulic deploying and retracting internal mold
Operation simplifies, and Large-span Precast box beam hydraulic deploying and retracting internal mold folding and unfolding process is more easily controlled, and improves operability
And intuitive, and realize that the designing scheme that globality uses creates possibility for Large-span Precast box beam hydraulic deploying and retracting internal mold；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention is stretched by being set in the both sides of raise-lower hydraulic oil cylinder
Contracting guide rod, adds the integrated support area of fulcrum, and then stability when improving concreting；
Large-span Precast box beam hydraulic deploying and retracting internal mold provided by the invention, it is mixed waiting by setting pull rod on stent
During solidifying soil solidification, walking beam and stent draw admittedly by pull rod, it is ensured that Large-span Precast box beam hydraulic folding and unfolding
The stability of internal model in use.
The foregoing is merely the schematical specific embodiments of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.And it should be noted that each component of the present invention is not limited in above-mentioned entirety
Using one can be selected individually to use according to actual needs for each technical characteristic described in specification of the invention or selection is more
Item combines uses, and therefore, the present invention covers the other combinations related with this case inventive point and specifically answers in the nature of things
With.
Claims (10)
1. a kind of Large-span Precast box beam hydraulic deploying and retracting internal mold, which is characterized in that in the Large-span Precast box beam hydraulic folding and unfolding
Mould includes：
Backform, the both sides of the backform are articulated with side form respectively, and two side forms are enclosed with the backform in bottom-open
Hollow structure, and the first hydraulic cylinder is connected between the backform and the side form, first hydraulic cylinder can drive described
Side form is rotated toward and away from the backform；
The multiple liftable supporters being arranged at below the backform, the liftable supporter include walking beam, spandrel girder with
And the raise-lower hydraulic oil cylinder between the walking beam and the spandrel girder is connected to, the walking beam is located under the spandrel girder
Side, the spandrel girder are fixedly connected on the bottom surface of the backform, the raise-lower hydraulic oil cylinder can drive the spandrel girder towards or
Person moves away from the walking beam.
2. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 1, which is characterized in that
The both sides of the raise-lower hydraulic oil cylinder are respectively equipped with flexible guide rod, one end and the walking beam of the flexible guide rod
It is fixedly connected, the other end of the flexible guide rod is fixedly connected with the spandrel girder.
3. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 1, which is characterized in that
The backform includes standard paragraphs backform, changeover portion backform and partition wall section backform, and the partition wall section backform passes through the transition
Duan Dingmo connects with the standard paragraphs backform.
4. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 3, which is characterized in that
The side form of the standard paragraphs backform both sides is connected to as standard paragraphs side form, is connected to the changeover portion backform both sides
The side form is changeover portion side form, is connected to the side form of the partition wall section backform both sides as partition wall section side form, the standard
There is gap between section side form and the changeover portion side form and between the changeover portion side form and the partition wall section side form.
5. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 4, which is characterized in that
The gap is 65mm~85mm.
6. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 4, which is characterized in that
The standard paragraphs side form is articulated with standard paragraphs angle mould, and is connected between the standard paragraphs side form and the standard paragraphs angle mould
Second hydraulic cylinder, second hydraulic cylinder can drive the standard paragraphs angle mould to turn toward and away from the standard paragraphs side form
It is dynamic；
The changeover portion side form is articulated with changeover portion angle mould, and is connected between the changeover portion side form and the changeover portion angle mould
3rd hydraulic cylinder, the 3rd hydraulic cylinder can drive the changeover portion angle mould to turn toward and away from the changeover portion side form
It is dynamic.
7. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 3, which is characterized in that
The both ends of the standard paragraphs backform are respectively equipped with standard paragraphs end flanges, and the both ends of the changeover portion backform were respectively equipped with
A section end flanges are crossed, at least one end of the partition wall section backform is equipped with partition wall section end flanges, passes through standard paragraphs end face method
Blue to connect with the changeover portion end flanges, the standard paragraphs backform connects with the changeover portion backform, passes through the changeover portion
End flanges connect with the partition wall section end flanges, and the changeover portion backform connects with the partition wall section backform.
8. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 1, which is characterized in that
The Large-span Precast box beam hydraulic deploying and retracting internal mold further includes control device, the control device by oil pipe respectively with institute
It states the first hydraulic cylinder and the raise-lower hydraulic oil cylinder connects.
9. Large-span Precast box beam hydraulic deploying and retracting internal mold according to any one of claim 1 to 8, which is characterized in that
The lower section of the liftable supporter is equipped with to convey the conveying device of the liftable supporter, the conveying device
Including stent, the upper surface of the stent is connected with multiple idler wheels that can be rotated, and the walking beam can be arranged on the idler wheel,
By the rotation of the idler wheel walking beam can be driven to be moved back and forth along the stent.
10. Large-span Precast box beam hydraulic deploying and retracting internal mold according to claim 9, which is characterized in that
The stent is equipped with the pull rod that can connect with the walking beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810044691.3A CN108098982B (en) | 2018-01-17 | 2018-01-17 | Hydraulic retraction internal mold for large-span precast box girder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810044691.3A CN108098982B (en) | 2018-01-17 | 2018-01-17 | Hydraulic retraction internal mold for large-span precast box girder |
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| CN108098982B CN108098982B (en) | 2024-04-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629437A (en) * | 2019-01-11 | 2019-04-16 | 中国铁建大桥工程局集团有限公司 | A kind of mobile whole hole in-situ depositing equipment of box beam and its application method |
| CN110126082A (en) * | 2019-02-26 | 2019-08-16 | 北京市政路桥股份有限公司 | A kind of concrete box girder internal model stripper apparatus and release method |
| CN111958781A (en) * | 2020-08-18 | 2020-11-20 | 郑州大学 | Auxiliary forming device for prefabricated section beam |
| CN114102841A (en) * | 2021-12-13 | 2022-03-01 | 上海申邦市政钢结构厂 | Automatic mold opening and closing control system and control method for box girder mold core |
| CN115723226A (en) * | 2022-12-09 | 2023-03-03 | 江苏月生达机械制造有限公司 | Multi-section adjustable structure of internal mold of prefabricated hydraulic box girder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446398A (en) * | 1974-03-28 | 1976-08-18 | Dow Mac Concrete Ltd | Collapsible cores for moulds |
| JP3063104U (en) * | 1999-04-15 | 1999-10-19 | 戸田工業株式会社 | Formwork for forming hollow part of precast concrete segment |
| CN101298168A (en) * | 2008-06-02 | 2008-11-05 | 宋国民 | Prefabricated box girder automatic deploying and retracting internal mold having hydraulic system |
| CN101614074A (en) * | 2009-07-16 | 2009-12-30 | 济南轨道交通装备有限责任公司 | The small-span box girder on high-speed passenger special line integral inside molding plate |
| CN102191751A (en) * | 2011-04-02 | 2011-09-21 | 湖南中铁五新钢模有限责任公司 | Hydraulic internal mold for asymmetric box girder |
| CN105442454A (en) * | 2015-12-24 | 2016-03-30 | 湖南中铁五新钢模有限责任公司 | Segmented self-traveling type cast-in-place beam hydraulic inner mould and mould erecting and demoulding method thereof |
| CN207825160U (en) * | 2018-01-17 | 2018-09-07 | 中国铁道科学研究院 | Large-span Precast box beam hydraulic deploying and retracting internal mold |
-
2018
- 2018-01-17 CN CN201810044691.3A patent/CN108098982B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1446398A (en) * | 1974-03-28 | 1976-08-18 | Dow Mac Concrete Ltd | Collapsible cores for moulds |
| JP3063104U (en) * | 1999-04-15 | 1999-10-19 | 戸田工業株式会社 | Formwork for forming hollow part of precast concrete segment |
| CN101298168A (en) * | 2008-06-02 | 2008-11-05 | 宋国民 | Prefabricated box girder automatic deploying and retracting internal mold having hydraulic system |
| CN101614074A (en) * | 2009-07-16 | 2009-12-30 | 济南轨道交通装备有限责任公司 | The small-span box girder on high-speed passenger special line integral inside molding plate |
| CN102191751A (en) * | 2011-04-02 | 2011-09-21 | 湖南中铁五新钢模有限责任公司 | Hydraulic internal mold for asymmetric box girder |
| CN105442454A (en) * | 2015-12-24 | 2016-03-30 | 湖南中铁五新钢模有限责任公司 | Segmented self-traveling type cast-in-place beam hydraulic inner mould and mould erecting and demoulding method thereof |
| CN207825160U (en) * | 2018-01-17 | 2018-09-07 | 中国铁道科学研究院 | Large-span Precast box beam hydraulic deploying and retracting internal mold |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629437A (en) * | 2019-01-11 | 2019-04-16 | 中国铁建大桥工程局集团有限公司 | A kind of mobile whole hole in-situ depositing equipment of box beam and its application method |
| CN110126082A (en) * | 2019-02-26 | 2019-08-16 | 北京市政路桥股份有限公司 | A kind of concrete box girder internal model stripper apparatus and release method |
| CN111958781A (en) * | 2020-08-18 | 2020-11-20 | 郑州大学 | Auxiliary forming device for prefabricated section beam |
| CN114102841A (en) * | 2021-12-13 | 2022-03-01 | 上海申邦市政钢结构厂 | Automatic mold opening and closing control system and control method for box girder mold core |
| CN115723226A (en) * | 2022-12-09 | 2023-03-03 | 江苏月生达机械制造有限公司 | Multi-section adjustable structure of internal mold of prefabricated hydraulic box girder |
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|---|---|
| CN108098982B (en) | 2024-04-12 |
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