CN110466041A - Box beam mold - Google Patents
Box beam mold Download PDFInfo
- Publication number
- CN110466041A CN110466041A CN201910787717.8A CN201910787717A CN110466041A CN 110466041 A CN110466041 A CN 110466041A CN 201910787717 A CN201910787717 A CN 201910787717A CN 110466041 A CN110466041 A CN 110466041A
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- template
- internal model
- rack gear
- strut
- mold
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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
-
- 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
- B28B7/0002—Auxiliary parts or elements of the mould
-
- 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
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- 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
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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 invention discloses a kind of box beam molds, internal model including external mold and in external mold, external mold includes two exterior sheathings, support construction and fixing seat, two exterior sheathings are inclined at fixing seat two sides, two exterior sheathing lower ends extend to form vertical portion, upper end separately down and extend to form horizontal part round about, vertical portion is connected in fixing seat, and support construction is two groups and supports exterior sheathing respectively, and horizontal part end is connected with the vertical plate of upper part；Internal model is inverted trapezoidal in section, internal model is hinged to by upper left template and lower-left template and is hinged to the c-type in section inner opening towards a left side towards right c-type, by upper right template and bottom right template in section inner opening, top template side is hinged in upper right template or upper left template, end template side is hinged in bottom right template or lower-left template, several internal model auto-telescopic mechanisms are provided along its length in internal model, one beam is disposed within along internal model length direction, internal model auto-telescopic mechanism and Liang Xianglian, beam one end are connected with traction mechanism；The mold releasability is convenient.
Description
Technical field
The present invention relates to prefabricated case beam manufacturing field, in particular to a kind of box beam mold.
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, thus
Name, during beam processed, one of essential heavy construction equipment is exactly the support mode to form box beam cabinet --- box-beam
Tool.Existing box beam mold releasability is difficult, needs operator to enter in internal model and removes part bolt and shrink internal model, and by internal model
It is connected on traction mechanism and demoulds, if personnel's mismate inside and outside mold, it will cause casualties accident.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of box beam molds.
The purpose of the present invention is what is be achieved through the following technical solutions:
Box beam mold, including external mold and internal model, the internal model are located in external mold, and the external mold includes two exterior sheathings, support construction
And fixing seat, two exterior sheathings are arranged in fixing seat two sides, two exterior sheathings are gradually distance from fixing seat, two exterior sheathing lower ends from the bottom up
Extend to form vertical portion separately down, upper end extends to form horizontal part round about, vertical portion is connected in fixing seat, support
Structure is two groups and is respectively supported at two exterior sheathings and is away from each other side, and horizontal part end is connected with the vertical plate of upper part；In described
Mould is inverted trapezoidal in section, the internal model by upper left template and lower-left template be hinged to section inner opening towards right c-type, by
Upper right template and bottom right template are hinged in section inner opening towards left c-type, the top template side be hinged on upper right template or
In the template of upper left, the end template side is hinged in bottom right template or lower-left template, in the internal model along its length
Even to be equipped at intervals with several internal model auto-telescopic mechanisms, a beam is disposed within along internal model length direction, the internal model automatic telescopic machine
Structure and Liang Xianglian, described beam one end are connected with traction mechanism.
Further, the mold is made of two section die units of equal length, and die unit includes external mold and internal model, and two
Die unit is held in opposite directions is equipped with portal frame, and the telescopic lever extended straight down is provided in the middle part of the portal frame, described flexible
Pull rod lower end is provided with the cylinder of intermediate partition both ends open, and cylinder is arranged along mold extending direction, two beam opposite ends respectively from
Cylinder both ends open protrudes into, and two die units hold top template to be open in opposite directions, and two top template opening combinations for cylinder at picking and placing
Mouthful, the telescopic lever is circumferentially fixed to be arranged with downward opening ring baffle, the ring baffle lower end outer wall and mouth inner wall
Contact, two die units hold downside to be equipped with electric telescopic rod vertically in opposite directions, and the electric telescopic rod end is equipped with idler wheel, corresponding
Aperture is distinguished on the end template of two die unit, the hole is opened and closed by two diaphragms in door-opening type, and two diaphragm free ends are logical
Magnet is crossed to be connected.
Further, the internal model auto-telescopic mechanism includes the first strut, the second strut, third strut, the 4th strut, the
One rack gear, the second rack and pinion, the beam lower half is hollow shape, in the inside top and lower-left template of the upper left template
The first strut is rotatablely connected on side bottom respectively, two first strut free ends are connected on first rack gear one end by articulated shaft,
The second strut is rotatablely connected in upper right template inside top and bottom right template inside bottom respectively, two second strut free ends pass through
Articulated shaft is connected on second rack gear one end, and the first rack gear and the second rack gear horizontally extend into it from beam opposite sides, and described
One rack gear and the second rack gear top surface are equipped with sliding rail, correspond in the beam and are equipped with slideway, the first rack gear and the second rack gear at sliding rail
Under gear is respectively set, two gears are sheathed on respectively in two shafts, the beam both ends correspond at shaft be equipped with rotating shaft support plate, institute
Top template free end rotation connection third strut is stated, the third strut is rotatably connected on the first rack gear or the second rack gear, institute
It states end template free end and is rotatablely connected the 4th strut, the 4th strut free end is rotatably connected on the second rack gear or the first rack gear
On, two shafts are connected with driving mechanism.
Further, every group of support construction includes multiple support units and is arranged along external mold length direction uniform intervals, described
Support unit includes column and the support rod that is vertically set on column, and the free end of support rod is fixed on external mold, and every group
Upper end is linked together by connecting rod in all columns of support construction, lower end is linked together by shaft, is set in the shaft
There is idler wheel, exterior sheathing bottom both ends are respectively equipped with idler wheel, and the shaft is driven by driving mechanism.
Further, two vertical portions are connected to fixation along the lower connecting screw that exterior sheathing length direction is set side by side by more
On seat.
Further, two opposite column tops of mold two sides are connected by upper connecting screw.
Further, locating cone is formed in two die units in the middle part of two beam opposite ends, the corresponding cylinder enclosed end is set
There is bellmouth.
The beneficial effects of the present invention are:
Box beam mold of the invention by the way that internal model auto-telescopic mechanism is arranged, and makes itself and Liang Xianglian, when internal model is shunk automatically
Afterwards, when traction mechanism drawing beam, internal model is drawn out, automatic to realize demoulding, is not necessarily to operator, can be reduced labour cost, is reduced
Accident rate.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target and other advantages of the invention can be wanted by following specification and right
Book is sought to be achieved and obtained.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
The detailed description of one step, in which:
Fig. 1 is cross-section diagram of the present invention.
Fig. 2 is internal model cross-section diagram in Fig. 1.
Fig. 3 is two die unit connection schematic diagrams in Fig. 1.
Specific embodiment
Hereinafter reference will be made to the drawings, and a preferred embodiment of the present invention will be described in detail.It should be appreciated that preferred embodiment
Only for illustrating the present invention, rather than limiting the scope of protection of the present invention.
As shown in Figure 1-3, box beam mold, for pouring box beam, including external mold 1 and internal model 2, internal model 2 is located in external mold 1,
Reinforcing bar is first completed when pouring on the inside of external mold 1, internal model 2 is placed on reinforcing bar later, then completes reinforcing bar on 2 upper surface of internal model,
It is finally poured, external mold 1, then de- internal model 2 is first taken off after pouring, finally carry out details repairing, external mold 1 includes two exterior sheathings
11, support construction 13 and fixing seat 12, two exterior sheathings 11 are arranged in 12 two sides of fixing seat, and 12 lower half portion of fixing seat can be buried
In subsurface, two exterior sheathings 11 are gradually distance from fixing seat 12 from the bottom up, i.e. two exterior sheathings 11 form inverted trapezoidal with fixing seat 12
Slot, two exterior sheathings, 11 lower end extends to form vertical portion separately down, upper end extends to form horizontal part round about, and vertical portion can
In fixing seat 12, support construction 13 is two groups and is respectively supported at two exterior sheathings 11 and is away from each other side dismantling connection, makes inverted trapezoidal
Groove shape is fixed, and horizontal part end is connected with the vertical plate of upper part, convenient for pouring for the edge of a wing；Internal model 2 is fallen terraced in section
Shape, since box beam mold is strip, section is the face presented when box beam mold is truncated, and internal model 2 is by upper left mould
Plate 21 and lower-left template 22, which are hinged to, to be hinged in section inner opening towards right c-type, by upper right template 23 and bottom right template 24
Section inner opening is hinged in upper right template 23 or upper left template 21 towards left c-type, 25 side of top template, 26 side of end template hinge
It connects in bottom right template 24 or lower-left template 22, uniform intervals are equipped with several internal model automatic telescopics along its length in internal model 2
Mechanism, i.e. internal model auto-telescopic mechanism can support each template that internal model is made to be maintained in section as inverted trapezoidal and make each template
It is rotated around hinged place, deform internal model 2 and then template is made to be detached from concrete, a beam 3 is disposed within along 2 length direction of internal model, interior
Mould auto-telescopic mechanism is connected with beam 3, and 3 one end of beam is connected with traction mechanism, and traction mechanism is the prior art, after external mold 1 is in type,
Reinforcing bar is completed on the inside of external mold 1, then the internal model 2 after stretching, extension is hung on reinforcing bar with hanging device, is then poured, and has been poured mixed
It coagulates soil and shrinks internal model 2 after solidifying it, the beam 3 being connected with internal model 2 is drawn with traction mechanism, beam 3 is taken out of, realization internal model
2 demould, and the gap between each template can prevent concrete from leaking by returning the filling of power adhesive tape.
Mold is made of two section die units of equal length, and die unit includes external mold and internal model 2, i.e., by box beam mold
It is split into two halves and cuts, the length of internal model 2 can be reduced in this way, demoulding can be further facilitated, for example the entire length of box beam is 30m, and
The length of die unit is 15 meters, and two die units are held in opposite directions is equipped with portal frame, is provided in the middle part of portal frame and extends straight down
Telescopic lever 5, telescopic lever 5 can be hydraulic cylinder piston, and 5 lower end of telescopic lever is provided with the circle of intermediate partition both ends open
Cylinder 6, cylinder 6 are arranged along mold extending direction, and two beams, 3 opposite end is protruded into from 6 both ends open of cylinder respectively, that is, pass through telescopic lever
5 two beams 3 of support, keep beam 3 hanging, and two die units hold top template 25 to be open in opposite directions, and two top templates, 25 opening combinations are at can
For the mouth that cylinder 6 picks and places, internal model 2 is first taken off after box beam concrete solidification, then shrink telescopic lever 5, cylinder 6 is pulled out, finally
Operator enters in box beam to be blocked on the inside of mouth with small steel plate, carries out pouring repairing mouth, telescopic lever 5 is circumferentially fixed to be arranged with out
The ring baffle 7 of mouth down, 7 lower end outer wall of ring baffle are contacted with mouth inner wall, are mixed when the setting of ring baffle 7 can prevent from pouring
Solidifying soil enters in internal model 2 from mouth, and two die units hold downside to be equipped with electric telescopic rod 8 vertically in opposite directions, and 8 end of electric telescopic rod is set
There are idler wheel, aperture respectively on the end template 26 of corresponding two die unit, hole is opened and closed by two diaphragms in door-opening type, and two diaphragms are certainly
It is connected by holding by magnet, when electric telescopic rod 8 extends, idler wheel is pushed diaphragm open and rolled in box beam inside bottom surface, can subtract
Light traction mechanism tractive force.
Internal model auto-telescopic mechanism includes the first strut 27, the second strut 28, third strut 29, the 4th strut 30, first
Rack gear 31, the second rack gear 32 and gear 33,3 lower half of beam are hollow shape, and beam 3 can be that cylinder is also tetragonous column type, upper left
The first strut 27 is rotatablely connected in 22 inside bottom of inside top and lower-left template of template 21 respectively, two first strut 27 is freely
End is connected on 31 one end of the first rack gear by articulated shaft, when preferred internal model 2 trails, two first struts 27 at obtuse angle, when
So it can also be rotatablely connected the second support respectively in 24 inside bottom of 23 inside top of upper right template and bottom right template on the same line
Bar 28, two second struts, 28 free end are connected on 22 one end of the second rack gear by articulated shaft, when preferred internal model 2 trails,
Two second struts 28, certainly can also on the same line at obtuse angle, and the first rack gear 32 and the second rack gear 33 are from 3 opposite sides water of beam
Flat to insert into the inner, the first rack gear 31 and 32 top surface of the second rack gear are equipped with sliding rail, correspond at sliding rail in beam 3 equipped with slideway, i.e., and the
One rack gear 31 and the second rack gear 32 can be moved along beam 3, and gear 33, two gears are respectively set under the first rack gear 31 and the second rack gear 32
33 are sheathed on respectively in two shafts, and 3 both ends of beam, which correspond to, is equipped with rotating shaft support plate at shaft, rotating shaft support plate here welds vertically
On beam 3, support plate can also be designed in the middle part of certain beam, can improve the stability being driven, 25 free end of top template is rotatablely connected the
Three struts 29, third strut 29 are rotatably connected on the first rack gear 31 or the second rack gear 32, the rotation connection of 26 free end of end template
4th strut 30,30 free end of the 4th strut are rotatably connected on the second rack gear 32 or the first rack gear 31, two shafts and driving machine
Structure is connected, can also make certainly wherein a shaft driving shaft, driving shaft driven by driving mechanism, and nibble the gear of two shafts mutually
It closes, rotates another shaft, realize while making two rack gears towards or away from from movement, the rotation of driving mechanism drive shaft, gear
33 follow shaft to rotate, and then keep rack gear mobile, the mobile angle made between two first struts 27 and two second struts 28 of rack gear
Variation, the variable angle between third strut, the 4th strut and rack gear, and then internal model 2 is made to trail or close up, realize internal model certainly
Dynamic flexible, driving mechanism can be motor.
Every group of support construction 13 includes multiple support units and is arranged along external mold length direction uniform intervals, support unit packet
The support rod 41 for including column 40 and being vertically set on column 40,41 free end of support rod are fixed on external mold 1, every group of support knot
Upper end is linked together by connecting rod 42 in all columns 40 of structure 13, lower end is linked together by shaft, and shaft is equipped with rolling
Wheel, 11 bottom both ends of exterior sheathing are respectively equipped with idler wheel, and shaft is driven by driving mechanism, when taking off external mold, turn motor-driven rotatable shaft
It is dynamic, and then idler wheel is rolled, it is detached from box beam concrete, certain support unit can be hydraulic cylinder.
Preferably, two vertical portions are connected to admittedly by more along the lower connecting screw 43 that exterior sheathing length direction is set side by side
In reservation 12, convenient disassembly can take off external mold after lower connecting screw 43 of dismantling.
Opposite two columns, 40 top in mold two sides is connected by upper connecting screw 44, can increase the jail of two side templates connection
Solidity.
Locating cone is formed in two die units in the middle part of two beams, 3 opposite end, corresponding cylinder enclosed end is equipped with bellmouth, makes two
Beam is located along the same line.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. box beam mold, it is characterised in that: including external mold and internal model, the internal model is located in external mold, and the external mold includes outside two
Template, support construction and fixing seat, two exterior sheathings are arranged in fixing seat two sides, and two exterior sheathings are gradually distance from fixation from the bottom up
Seat, two exterior sheathing lower ends extend to form vertical portion separately down, upper end extends to form horizontal part round about, vertical portion connection
In fixing seat, support construction is two groups and is respectively supported at two exterior sheathings and is away from each other side, horizontal part end and upper part it is perpendicular
Straight panel is connected；The internal model is inverted trapezoidal in section, and the internal model is hinged in section by upper left template and lower-left template
It is open and is hinged to the c-type in section inner opening towards a left side, the top template side towards right c-type, by upper right template and bottom right template
It is hinged in upper right template or upper left template, the end template side is hinged in bottom right template or lower-left template, the internal model
Inside uniform intervals are equipped with several internal model auto-telescopic mechanisms along its length, and a beam is disposed within along internal model length direction, institute
Internal model auto-telescopic mechanism and Liang Xianglian are stated, described beam one end is connected with traction mechanism.
2. box beam mold according to claim 1, it is characterised in that: the mold by equal length two section die units
Composition, die unit include external mold and internal model, and two die units are held in opposite directions is equipped with portal frame, is provided in the middle part of the portal frame perpendicular
The telescopic lever directly extended downwardly, the telescopic lever lower end are provided with the cylinder of intermediate partition both ends open, and cylinder is along mold
Extending direction setting, two beam opposite ends are protruded into from cylinder both ends open respectively, and two die units hold top template to be open in opposite directions, two tops
Template opening is combined into the mouth picked and placed for cylinder, and the telescopic lever is circumferentially fixed to be arranged with downward opening ring baffle,
The ring baffle lower end outer wall is contacted with mouth inner wall, and two die units hold downside to be equipped with electric telescopic rod vertically in opposite directions, described
Electric telescopic rod end is equipped with idler wheel, aperture respectively on the end template of corresponding two die unit, and the hole is in pair by two diaphragms
Opening door opening and closing, two diaphragm free ends are connected by magnet.
3. box beam mold according to claim 2, it is characterised in that: the internal model auto-telescopic mechanism includes the first support
Bar, the second strut, third strut, the 4th strut, the first rack gear, the second rack and pinion, the beam lower half are hollow shape, institute
It states and is rotatablely connected the first strut, two first strut free ends in the inside top and lower-left template inside bottom of upper left template respectively
It is connected on first rack gear one end by articulated shaft, rotation connects respectively in upper right template inside top and bottom right template inside bottom
The second strut is connect, two second strut free ends are connected on second rack gear one end by articulated shaft, the first rack gear and the second rack gear
It is horizontally extended into it from beam opposite sides, first rack gear and the second rack gear top surface are equipped with sliding rail, corresponding cunning in the beam
It is equipped with slideway at rail, gear is respectively set under the first rack gear and the second rack gear, two gears are sheathed on respectively in two shafts, the beam
Both ends correspond to and are equipped with rotating shaft support plate at shaft, and the top template free end is rotatablely connected third strut, and the third strut turns
Dynamic to be connected on the first rack gear or the second rack gear, the end template free end is rotatablely connected the 4th strut, and the 4th strut is certainly
It is rotatably connected on the second rack gear or the first rack gear by end, two shafts are connected with driving mechanism.
4. box beam mold according to claim 1 or 2 or 3, it is characterised in that: every group of support construction includes that multiple supports are single
Member and it is arranged along external mold length direction uniform intervals, the support unit includes column and the support that is vertically set on column
Bar, the free end of support rod are fixed on external mold, and all columns of support unit are linked together by connecting rod, the column
Shaft is had, the shaft is equipped with idler wheel, and exterior sheathing bottom both ends are respectively equipped with idler wheel, and the shaft is by driving machine
Structure driving.
5. box beam mold according to claim 4, it is characterised in that: two vertical portions are by more along exterior sheathing length direction
The lower connecting screw being set side by side is connected in fixing seat.
6. box beam mold according to claim 5, it is characterised in that: two opposite column tops of mold two sides pass through upper company
Screw rod is connect to be connected.
7. box beam mold according to claim 6, it is characterised in that: it is fixed to be formed in the middle part of two beam opposite ends in two die units
Position cone, the corresponding cylinder enclosed end are equipped with bellmouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787717.8A CN110466041B (en) | 2019-08-26 | 2019-08-26 | Box girder die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787717.8A CN110466041B (en) | 2019-08-26 | 2019-08-26 | Box girder die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110466041A true CN110466041A (en) | 2019-11-19 |
| CN110466041B CN110466041B (en) | 2021-06-15 |
Family
ID=68512102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787717.8A Active CN110466041B (en) | 2019-08-26 | 2019-08-26 | Box girder die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110466041B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904847A (en) * | 2019-12-06 | 2020-03-24 | 天元建设集团有限公司 | Prefabricated box girder steel internal mold supporting system and construction method thereof |
| CN112095481A (en) * | 2020-09-23 | 2020-12-18 | 吴马德 | A template structure for hanging basket construction concrete is continuous case bottom surface fillet |
| CN113319983A (en) * | 2021-06-01 | 2021-08-31 | 浙江庄辰建筑科技有限公司 | Vertical column die convenient to replace quickly and based on prefabricated bridge hollow core |
| CN114274322A (en) * | 2022-02-21 | 2022-04-05 | 河北广通路桥集团有限公司 | Automatic assembling template for pouring concrete member |
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| CN109648692A (en) * | 2019-01-04 | 2019-04-19 | 中交路桥建设有限公司 | The drawing and pulling type internal model prefabricated for variable cross-section prestressed cored slab |
| CN110091420A (en) * | 2019-06-03 | 2019-08-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of box girder formwork |
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| US20110133052A1 (en) * | 2008-08-06 | 2011-06-09 | Shunquan Qin | Upper-bearing typed movable formwork |
| CN201746777U (en) * | 2010-07-22 | 2011-02-16 | 济南轨道交通装备有限责任公司 | Box girder turnover-type flange plate cast-in-situ die |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904847A (en) * | 2019-12-06 | 2020-03-24 | 天元建设集团有限公司 | Prefabricated box girder steel internal mold supporting system and construction method thereof |
| CN110904847B (en) * | 2019-12-06 | 2021-05-28 | 天元建设集团有限公司 | Prefabricated box girder steel internal mold supporting system and construction method thereof |
| CN112095481A (en) * | 2020-09-23 | 2020-12-18 | 吴马德 | A template structure for hanging basket construction concrete is continuous case bottom surface fillet |
| CN113319983A (en) * | 2021-06-01 | 2021-08-31 | 浙江庄辰建筑科技有限公司 | Vertical column die convenient to replace quickly and based on prefabricated bridge hollow core |
| CN114274322A (en) * | 2022-02-21 | 2022-04-05 | 河北广通路桥集团有限公司 | Automatic assembling template for pouring concrete member |
| CN114274322B (en) * | 2022-02-21 | 2022-05-31 | 河北广通路桥集团有限公司 | Automatic assembling template for pouring concrete member |
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| Publication number | Publication date |
|---|---|
| CN110466041B (en) | 2021-06-15 |
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