CN209319985U - A kind of prefabricated case beam core model - Google Patents
A kind of prefabricated case beam core model Download PDFInfo
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- CN209319985U CN209319985U CN201821099172.9U CN201821099172U CN209319985U CN 209319985 U CN209319985 U CN 209319985U CN 201821099172 U CN201821099172 U CN 201821099172U CN 209319985 U CN209319985 U CN 209319985U
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Abstract
The utility model relates to a kind of prefabricated case beam core models.Including the sequentially connected core model of more piece, core model is made of two core plates, and core plate includes top plate and bottom plate and riser between the two, and riser is hingedly made up of upper riser and lower riser hinge；Multiple gussets are set in the inner surface of core plate, more stulls are set between two upper risers, between two lower risers, connecting rod is set at the both ends of stull；Multiple rod assemblies are set between the top plate and bottom plate of each core plate, rod assembly includes upper connecting rod and lower pull rod, the upper end of upper connecting rod and top plate be hinged, lower end and lower pull rod are hinged, the lower end of lower pull rod and bottom plate are hinged, it further include two bar shaped steel, bar shaped steel and core plate correspond, and the hinge joint and bar shaped steel corresponding to the core plate for the upper connecting rod and lower pull rod in each rod assembly that each core plate is connected are hinged；Top plate is set above core model.The utility model is structurally reasonable, convenient disassembly.
Description
Technical field
The utility model relates to technical field of bridge construction more particularly to a kind of prefabricated case beam core models.
Background technique
Box beam is one kind of science of bridge building central sill, and inside is hollow shape, and there are the edge of a wing in top two sides, similar chest, and reinforcing bar is mixed
The box beam of Xtah Crude Clay structure is divided into prefabricated case beam and cast-in-situ box girder.
Precast beam field undertakes bridge box and beam prefabricated construction task required in bid section, and prefabricated case beam uses steel core model, spells
Integral hoisting is put into side form after dress, carries out the dismounting of core model after the completion of concreting first.
Box beam inner space is smaller, and internal model single-unit is gradually removed, and first removes internal model bottom and Panasonic supported on both sides, then will
Internal model skylight template, interior baffle plate are removed, and internal model two sides side mode is then removed doubling, whole to pull out cheek board.Traditional technology
In core mold structure as shown in Fig. 2, be six section combined types, peace tears that difficulty is larger, and splicing seams faulting of slab ends is difficult to adjust open, cost of labor compared with
Greatly, construction efficiency is lower.
Summary of the invention
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of structurally reasonable, convenient disassembly precast box
Beam core model.
In order to achieve the above object, the utility model adopts the following technical solutions: a kind of prefabricated case beam core model, including more piece are logical
The sequentially connected core model of bolt is crossed, the core model section is inverted trapezoidal, the core model core plate structure opposite by two levels
Include top plate and bottom plate and riser between the two at, core plate, there is spacing between the bottom plate docking of two core plates, top plate, riser by
Vertically disposed upper riser and lower riser are constituted, and upper riser and top plate be affixed, lower riser and bottom plate are affixed, in the following of upper riser
Edge and lower riser top edge are respectively provided with angle steel, and hinge is arranged between two angle steel；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, at two
More horizontal stulls are set along core plate length direction between upper riser, are arranged between two lower risers along core plate length direction
Connecting rod, connecting rod one end muscle adjacent thereto with stull threaded connection, the other end is arranged at the both ends of stull in more horizontal stulls
Crab bolt connection；
Multiple rod assemblies, the pull rod are set along the length direction of core plate between the top plate and bottom plate of each core plate
Component includes upper connecting rod and lower pull rod, is respectively provided between upper connecting rod and corresponding top plate, between lower pull rod and corresponding bottom plate
Drag link bearing, two drag link bearings are fixed with top plate and bottom plate respectively, and the upper end of the upper connecting rod and the drag link bearing of top plate are cut with scissors
Connect, lower end and the upper end of lower pull rod it is hinged, the lower end of lower pull rod and the drag link bearing of bottom plate are hinged, further include two and are parallel to core
The bar shaped steel of plate length direction, bar shaped steel and core plate correspond, the pull-up in each rod assembly that each core plate is connected
The hinge joint and bar shaped steel corresponding to the core plate of bar and lower pull rod are hinged, and bar shaped steel and rod assembly are fixed by pin；
It is respectively provided with angle cleat between two top plates, between two bottom plates, setting and core model length side above core model
To it is parallel and with two top plates overlapped top plate one, one two sides of top plate are connect by adhesive tape with top plate.
Preferably: inclined supporting plate being set at the edge of a bottom plate, the angle of supporting plate and the bottom plate is acute angle, another
The attachment strap that inclined section is L shape is arranged in the edge of a bottom plate, and the horizontal part of attachment strap is parallel with supporting plate, the vertical position of attachment strap
In the top of attachment strap horizontal part.
Preferably: being arranged parallel to the channel steel of core plate length direction, pull rod in the lower surface of top plate and the upper surface of bottom plate
Support is affixed with channel steel.
Preferably: being arranged parallel to the channel steel of core plate length direction in the inner surface of upper riser and lower riser.
The beneficial effects of the utility model are: the utility model is made of more piece core model, wherein every section core model is by two cores
Plate is constituted, and core plate is hingedly made of upper and lower core plate again, under the action of rod assembly and bar shaped steel, folds core plate up and down, this reality
Drawing type is fabricated to novel, it is convenient to assemble and disassemble, it is only necessary to which that construction can be completed in a people, greatly reduces cost of labor.Form removal
When only need to remove using hoist engine, be not required to enter case indoor construction, improve construction safety coefficient, guarantee the person of operating personnel
Safety.
Detailed description of the invention
Fig. 1 is the cross section structure schematic diagram of the utility model core mould；
Fig. 2 is the core model cross section structure schematic diagram in traditional technology.
In figure: 1- riser；Riser under 1-1-；The upper riser of 1-2-；2- rod assembly；Pull rod under 2-1-；2-2- upper connecting rod；3-
Hinge；4- angle steel；5- stull；6- angle cleat；7- channel steel；8- connecting rib；9- top plate one；10- bar shaped steel；11- pull rod branch
Seat；12- connecting rod；13- bottom plate；14- top plate.
It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.
Specific embodiment
Below with reference to embodiment, the utility model is described in further detail:
Referring to Fig. 1, the utility model includes more piece by the sequentially connected core model of bolt, and the core model section is inverted
Trapezoidal, the core model is made of two opposite core plates of level, and core plate includes top plate 14, bottom plate 13 and riser between the two
1, the bottom plate 13 of two core plates docks, has spacing between top plate 14, and riser 1 is by vertically disposed upper riser 1-2 and lower riser 1-1
It constitutes, upper riser 1-2 and top plate 14 be affixed, lower riser 1-1 and bottom plate 13 are affixed, in the lower edge and lower riser of upper riser 1-2
The top edge 1-1 is respectively provided with angle steel 4, and hinge 3 is arranged between two angle steel 4；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, at two
More horizontal stulls 5 are set along core plate length direction between upper riser 1-2, along core plate length between two lower riser 1-1
More horizontal stulls 5 are arranged in direction, connecting rod 12 are arranged at the both ends of stull 5,12 one end of connecting rod is threadedly coupled with stull 5, is another
One end gusset adjacent thereto is bolted；
Multiple rod assemblies 2, institute are set along the length direction of core plate between the top plate 14 and bottom plate 13 of each core plate
Stating rod assembly 2 includes upper connecting rod 2-2 and lower pull rod 2-1, between upper connecting rod 2-2 and corresponding top plate 14, lower pull rod 2-1
Drag link bearing 11 is respectively provided between corresponding bottom plate 13, two drag link bearings 11 are fixed with top plate 14 and bottom plate 13 respectively, institute
The drag link bearing 11 for stating the upper end of upper connecting rod 2-2 and top plate 14 is hinged, lower end and the upper end of lower pull rod 2-1 are hinged, lower pull rod 2-
1 lower end and the drag link bearing 11 of bottom plate 13 are hinged, further include two bar shaped steel 10 for being parallel to core plate length direction, bar shaped
Steel 10 and core plate correspond, the hinge for the upper connecting rod 2-2 and lower pull rod 2-1 in each rod assembly 2 that each core plate is connected
Bar shaped steel 10 corresponding to contact and the core plate is hinged, and bar shaped steel 10 is fixed with rod assembly 2 by pin；
It is respectively provided with angle cleat 6 between two top plates 14, between two bottom plates 13, is arranged above core model long with core model
Spend direction it is parallel and with two top plates 14 overlapped top plate 1, one 9 two sides of top plate are connect by adhesive tape with top plate 14.
For the core model of the utility model by being formed after two core plates splicing fixations, each core plate is by turnover upper and lower two again
Part is constituted, and top plate 14 and upper riser 1-2 are a part, and bottom plate 13 and lower riser 1-1 are another part, and the two passes through when being unfolded
Rod assembly 2 supports, and the upper connecting rod 2-2 and lower pull rod 2-1 in rod assembly 2 are hinged by axis, upper in each rod assembly
The articulated shaft of pull rod 2-2 and lower pull rod 2-1 pass through corresponding bar shaped steel 10, when upper connecting rod 2-2 and lower pull rod 2-1 axis are parallel
When (when core plate is propped up) bar shaped steel 10 and rod assembly fixed by pin, when needing to fold core plate, pin removal
Bolt pulls bar shaped steel 10 that core plate is driven to fold.Two core plates pass through stull 5 and its connecting rod 12, top plate 14 and the bottom plate 13 at both ends
Angle cleat 6 support is fixed.
In the present embodiment, in order to improve two bottom plates 13 joint compactness, be arranged at the edge of bottom plate 13
The angle of inclined supporting plate, supporting plate and the bottom plate 13 is acute angle, and it is " L " that inclined section, which is arranged, at the edge of another bottom plate 13
The horizontal part of the attachment strap of shape, attachment strap is parallel with supporting plate, and attachment strap vertical portion is located at the top of attachment strap horizontal part.
In the present embodiment, in order to reinforce core plate, core is arranged parallel in the lower surface of top plate 14 and the upper surface of bottom plate 13
The channel steel 7 of plate length direction, drag link bearing 11 and channel steel 7 are affixed；It is flat in the setting of the inner surface of upper riser 1-2 and lower riser 1-1
Row is in the channel steel 7 of core plate length direction.
In the outer edge of the outer edge of two top plates 14 and two bottom plates 13 along the length side of core plate in the utility model
To the multiple and affixed connecting rib 8 of core plate is arranged, the both ends of angle cleat 6 pass through spiral shell with the connecting rib 8 of its two sides respectively
It tethers and connects.
By practical operation experience in force analysis and construction in the utility model, in channel steel 7 and the phase of two top plates 14
One in four positions between the drag link bearing 11 answered, between the channel steel 7 and corresponding drag link bearing 11 of two bottom plates 13
Or gasket is arranged in multiple positions, gasket plays booster action.
Method for dismounting of prefabricated case beam core model after use in the utility model are as follows:
Include the following steps,
1) fixation pin, two top plates between connection bolt, bar shaped steel 10 and the rod assembly 2 between each core model are removed
The angle cleat 6 between 6, two bottom plates 13 of angle cleat between 14；
2) rotation stull 5 makes the connecting rod 12 at its both ends to moving inside stull 5, makes surface and the concrete surface point of core plate
From, then remove 5 one end of stull connecting rod 12 and gusset connection bolt；
3) a bar shaped steel 10 is pulled, bar shaped steel 10 drives upper connecting rod 2-2 and lower pull rod 2-1 to rotate around hinge joint, on
Riser 1-2 drives and turns under top plate 14, pulls on the bar shaped steel 10 until the core plate connecting with the bar shaped steel 10 is pulled out；
4) another core plate is pulled out according to step 3)；
5) top plate 1 is removed.
The utility model optimizes core model process for installing and detachingk, and original combined type single-unit core model is changed to pulling type core model, every section
Core model is reduced to 2 combinations by 6 combinations, pacifies and tears open more convenient, splicing seams are easier to adjust.
The utility model is installed on level land, is made fixed limiting bracket using square steel and is carried out auxiliary split, guarantees
Core model bottom is smooth, can preferably eliminate faulting of slab ends, guarantee that bottom is smooth.Every section core model is according to the disassembly side in the utility model
Method is removed section by section, after unilateral core plate pulls out, is sling using suspender, core model can by self weight expansion, then by each rod assembly 2 with
Core plate is unfolded by pin fixation in bar shaped steel 10, and core plate is hoisted to split place and carries out polishing cleaning.
Prefabricated case beam core model is fabricated to drawing type by the utility model, convenient to assemble and disassemble, and splicing seams can easily be accommodated, joint number is few,
Piece is few, convenient for only starching.Single-unit core model can be fastened along hinge 3, is unfolded, it is only necessary to which construction, core model teams and groups can be completed in a people
It reduces, greatly reduces cost of labor.Simplifying with single-unit core model core plate number after core model optimization, core plate anti-pressure ability become
By force, the number of turnover for improving seam bolt, angle cleat 6, greatly reduces material cost and maintenance cost.Template teams and groups exist
It only needs to remove using hoist engine when form removal, is not required to enter case indoor construction, improves construction safety coefficient, guarantee operation people
The personal safety of member.
Comprehensively consider a variety of situations such as precasting yard practice of construction situation, process transition and linkage and construction efficiency economic benefit,
Quality control can be taken into account using pulling type core plate and work efficiency is promoted, guarantee personnel's construction safety, reduce material cost.
The utility model is exemplarily described above, it is clear that the utility model implements not by aforesaid way
Limitation, as long as use the utility model method concept and technical solution carry out various improvement, or it is not improved directly
Applied to other occasions, it both is within the protection scope of the present invention.
Claims (4)
1. a kind of prefabricated case beam core model, it is characterised in that: pass through the sequentially connected core model of bolt, the core model section including more piece
To be inverted trapezoidal, the core model is made of two opposite core plates of level, and core plate includes top plate (14), bottom plate (13) and the two
Between riser (1), bottom plate (13) docking of two core plates has spacing between top plate (14), and riser (1) is by vertically disposed
Riser (1-2) and lower riser (1-1) are constituted, upper riser (1-2) and top plate (14) affixed, lower riser (1-1) and bottom plate (13) are solid
It connects, is respectively provided with angle steel (4) in the lower edge of upper riser (1-2) and the top edge lower riser (1-1), is set between two angle steel (4)
Set hinge (3)；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, it is upper perpendicular at two
More horizontal stulls (5) are set along core plate length direction between plate (1-2), it is long along core plate between two lower risers (1-1)
More horizontal stulls (5) are arranged in degree direction, connecting rod (12) are arranged at the both ends of stull (5), connecting rod (12) one end and stull (5)
It is threadedly coupled, the gusset that the other end is adjacent thereto is bolted；
Multiple rod assemblies (2) are set along the length direction of core plate between the top plate (14) and bottom plate (13) of each core plate,
The rod assembly (2) includes upper connecting rod (2-2) and lower pull rod (2-1), upper connecting rod (2-2) and corresponding top plate (14) it
Between, be respectively provided with drag link bearing (11) between lower pull rod (2-1) and corresponding bottom plate (13), two drag link bearings (11) respectively with top
Plate (14) and bottom plate (13) are fixed, the upper end of the upper connecting rod (2-2) and the drag link bearing (11) of top plate (14) is hinged, lower end with
The upper end of lower pull rod (2-1) is hinged, and the drag link bearing (11) of the lower end of lower pull rod (2-1) and bottom plate (13) further includes two hingedly
A bar shaped steel (10) for being parallel to core plate length direction, bar shaped steel (10) and core plate correspond, and each core plate is connected every
Bar shaped steel (10) corresponding to the hinge joint and the core plate of upper connecting rod (2-2) and lower pull rod (2-1) in a rod assembly (2) is cut with scissors
It connects, bar shaped steel (10) is fixed with rod assembly (2) by pin；
Angle cleat (6) are respectively provided between two top plates (14), between two bottom plates (13), setting and core model above core model
Length direction it is parallel and with two top plates (14) overlapped top plate one (9), top plate one (9) two sides pass through adhesive tape and top plate
(14) it connects.
2. prefabricated case beam core model according to claim 1, it is characterised in that: inclination is arranged at the edge of a bottom plate (13)
Supporting plate, the angle of supporting plate and the bottom plate (13) is acute angle, and it is " L " that inclined section, which is arranged, at the edge of another bottom plate (13)
The horizontal part of the attachment strap of shape, attachment strap is parallel with supporting plate, and attachment strap vertical portion is located at the top of attachment strap horizontal part.
3. prefabricated case beam core model according to claim 1, it is characterised in that: lower surface and bottom plate (13) in top plate (14)
Upper surface be arranged parallel to the channel steel (7) of core plate length direction, drag link bearing (11) and channel steel (7) are affixed.
4. prefabricated case beam core model according to claim 1, it is characterised in that: in upper riser (1-2) and lower riser (1-1)
Inner surface is arranged parallel to the channel steel (7) of core plate length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821099172.9U CN209319985U (en) | 2018-07-12 | 2018-07-12 | A kind of prefabricated case beam core model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821099172.9U CN209319985U (en) | 2018-07-12 | 2018-07-12 | A kind of prefabricated case beam core model |
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| Publication Number | Publication Date |
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| CN209319985U true CN209319985U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821099172.9U Active CN209319985U (en) | 2018-07-12 | 2018-07-12 | A kind of prefabricated case beam core model |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582431A (en) * | 2018-07-12 | 2018-09-28 | 中交航局第工程有限公司 | A kind of method for dismounting after prefabricated case beam core model and its use |
| CN113089489A (en) * | 2021-03-31 | 2021-07-09 | 中铁十五局集团有限公司 | Drawing type variable cross-section box girder inner formwork |
| CN113319986A (en) * | 2021-06-07 | 2021-08-31 | 河南七建工程集团有限公司 | Assembled prefabricated box girder inner mold and core-pulling method construction method thereof |
-
2018
- 2018-07-12 CN CN201821099172.9U patent/CN209319985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582431A (en) * | 2018-07-12 | 2018-09-28 | 中交航局第工程有限公司 | A kind of method for dismounting after prefabricated case beam core model and its use |
| CN113089489A (en) * | 2021-03-31 | 2021-07-09 | 中铁十五局集团有限公司 | Drawing type variable cross-section box girder inner formwork |
| CN113319986A (en) * | 2021-06-07 | 2021-08-31 | 河南七建工程集团有限公司 | Assembled prefabricated box girder inner mold and core-pulling method construction method thereof |
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