CN213859863U - Prefabricated coincide bottom plate side forms that can cyclic utilization - Google Patents
Prefabricated coincide bottom plate side forms that can cyclic utilization Download PDFInfo
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- CN213859863U CN213859863U CN202022696652.7U CN202022696652U CN213859863U CN 213859863 U CN213859863 U CN 213859863U CN 202022696652 U CN202022696652 U CN 202022696652U CN 213859863 U CN213859863 U CN 213859863U
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Abstract
The utility model discloses a prefabricated superposed bottom plate side form capable of being recycled, wherein stiffening ribs are connected with two ends of a side form angle steel; the stiffening rib is provided with a connecting screw hole; the middle part of the side formwork angle steel is provided with a stiffening rib; the side die vertical plate is provided with a rib inserting square hole and an installation groove, a combined steel chamfering component is arranged in the installation groove, and the outer side surface of the combined steel chamfering component is a chamfering surface; a first groove is formed in the side die vertical plate, and a non-rib-outlet-area inverted J-shaped steel plate connecting piece and a rib-outlet-area inverted J-shaped steel plate connecting piece are arranged in the first groove at intervals; the lower ends of the inverted J-shaped steel plate connecting piece in the non-bar-outlet area and the inverted J-shaped steel plate connecting piece in the bar-outlet area are arranged in the second groove; the joint bar square holes form joint bar holes through gaps formed by combining inverted J-shaped steel plate connecting pieces in the joint bar outlet areas and rigid blocks in the adjacent joint bar square holes; it can be repeatedly used, saves manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the assembly type structure, a convenient combination and can cyclic utilization's side forms during assembly type concrete coincide bottom plate production is related to, concretely relates to but cyclic utilization's prefabricated coincide bottom plate side forms.
Background
In recent years, the prefabricated concrete structure has high building quality, high construction efficiency, less pollution emission, less labor force and greatly improved building industrialization, so that the prefabricated concrete structure has great development in the field of house construction, is particularly widely applied as a prefabricated concrete laminated bottom plate of a main horizontal member, greatly reduces the advantages of template engineering and steel bar engineering and plays a main role in building industrialization in China.
During the production assembled Concrete coincide bottom plate of PC (Precast Concrete) mill in reality, need make the side forms in advance, nevertheless because there is the Precast Concrete coincide bottom plate that multiple size and reinforcing bar arranged in a project, angle steel processing commonly used for the side forms of present is made, and convenient operation during the use nevertheless leads to the cost of manufacture height, and reuse rate is very low, has caused a large amount of wastes. In addition, in the processing process, due to the reasons of construction units, design units and the like, the local part of the building structure is often optimized and arranged, so that the size and the arrangement form of the reinforcing steel bars of a part of the precast concrete superposed bottom plate are changed, the side forms integrally processed and formed by the angle steel are difficult to modify, and even the side forms cannot be used completely due to the overlarge change, so that a large amount of waste is caused, and the construction period is delayed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem in the actual production process of present assembled concrete superimposed sheet component, the utility model provides a but cyclic utilization's prefabricated coincide bottom plate side forms, make its guidance thought that combines the assembled industrialization, carry out the component split to the side forms of prefabricated concrete superimposed sheet, form basic unit, the actual need of arranging according to superimposed sheet size and reinforcing bar when producing prefabricated concrete superimposed sheet makes up and assembles, form the side forms of the prefabricated concrete superimposed sheet that accords with the actual production needs, use the completion after, carry out the split again, the maintenance, can reach reuse's effect, the manufacturing cost has been practiced thrift greatly, the mill only need according to oneself the productivity prepare the basic combination framework of corresponding cover number can. And because the service range of the PC component factory is limited, parts with higher utilization rate of partial local area can be investigated and customized according to a large amount of project experience and big data of the PC component factory, and the parts can be split and combined, so that the diversified requirements of different projects can be met, and the product core competitiveness of the project can be improved.
In order to achieve the above object, the utility model adopts the following technical scheme:
a prefabricated superposed bottom plate side formwork capable of being recycled comprises side formwork angle steel (1), wherein the side formwork angle steel (1) comprises a transverse side formwork bottom plate (11) and a longitudinal side formwork vertical plate (12); inclined stiffening ribs (6) are respectively connected between the end parts of the side formwork bottom plates (11) and the end parts of the side formwork vertical plates (12) at the two ends of the side formwork angle steel (1); the stiffening rib (6) is provided with a connecting screw hole (7); the middle part of the side die angle steel (1) is provided with an inclined stiffening rib (6) which is connected with a side die bottom plate (11) and a side die vertical plate (12); the side mould vertical plate (12) is provided with a dowel square hole (8); an installation groove (9) is formed in the outer side face of the side die vertical plate (12), a combined steel chamfering member (2) is installed in the installation groove (9), and a chamfering face is formed on the outer side face of the combined steel chamfering member (2); a first groove (13) is formed in the top surface of the side die vertical plate (12), and a non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and a rib-outlet-area inverted J-shaped steel plate connecting piece (4) are installed in the first groove (13) at intervals; a rib inserting square hole steel plug block (5) is arranged below the non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and the rib-outlet-area inverted J-shaped steel plate connecting piece (4), a second groove (14) is arranged on the top surface of the rib inserting square hole steel plug block (5), and the lower ends of the non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and the rib-outlet-area inverted J-shaped steel plate connecting piece (4) are arranged in the second groove (14); the joint bar square hole (8) is formed by combining a joint bar hole (10) through a joint bar outlet area inverted J-shaped steel plate connecting piece (4) and adjacent joint bar square hole steel plug blocks (5).
In the above scheme, it is preferable that adjacent prefabricated overlapped bottom plate side forms are connected through connecting bolts (15) arranged in the connecting screw holes (7).
Preferably, inclined stiffening ribs (6) are respectively connected between the side formwork bottom plate (11) and the side formwork vertical plate (12) in the side formwork angle steel (1).
It can also be preferred that the bent parts of the inverted J-shaped steel plate connecting piece (3) in the non-bar-outlet area and the inverted J-shaped steel plate connecting piece (4) in the bar-outlet area are of right-angle bent structures.
Preferably, the inner side surface of the inverted J-shaped steel plate connecting piece (4) in the rib outlet area is T-shaped, the inner side surface is positioned in a gap between two adjacent inverted J-shaped steel plate connecting pieces (3) in the non-rib outlet area, and the lower end of the inner side surface extends into a second groove (14) in the upper part of the adjacent steel plug block (5) in the square hole of the inserted bar to form the inserted bar hole (10).
It is also preferred that the tendon insertion holes (10) are transverse rectangular strip-shaped holes.
Preferably, two connecting screw holes (7) are respectively formed in the stiffening ribs (6) at the two ends of the side formwork angle steel (1).
It is also preferable that the two connection screw holes (7) on the stiffening rib (6) are evenly distributed.
It is also preferred that the mounting groove (9) is a trapezoidal groove.
It is also preferred that the first recess (13) and the second recess (14) are rectangular slots.
The utility model discloses can reach following beneficial effect:
the utility model discloses a prefabricated coincide bottom plate side forms of circulated utilization can solve the problem that the side forms reuse ratio is low, production cycle is long in present traditional precast concrete coincide bottom plate production process, under the guidance ideology of assembled, industrialization etc., combines the mechanical connection principle, provides a novel prefabricated coincide bottom plate side forms of combination modularization, and this novel combination side forms need not to customize prefabricated coincide bottom plate side forms again, and it is the prefabricated coincide bottom plate side forms that only need form actual need according to the basic side forms modularization component combination of factory reserve; the side form has the advantages that basic components meet the production requirements of common precast concrete superposed base plates, the repeated utilization rate of the side form is improved, the economic and time production cost of a PC component factory is greatly saved, and the standardized components can meet the diversified requirements of products; and the utility model discloses not only be restricted to the utility model discloses the basic component that mentions mainly is the basis the utility model discloses a basic method combines the actual production needs, forms the daily basic component ization deposit of mill to along with development and market demand, perfect the daily deposit of basic component gradually, meet the individualized demand in market.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is the structural schematic diagram of the recyclable prefabricated superposed bottom plate side form of the present invention.
Fig. 2 is the utility model discloses a but cyclic utilization's prefabricated coincide bottom plate side forms's side forms angle steel's schematic structure.
Fig. 3 is the structural schematic diagram of the combined steel chamfering component of the prefabricated superposed bottom plate side form capable of being recycled.
Fig. 4 is the utility model discloses a but cyclic utilization's prefabricated coincide bottom plate side forms's non-goes out muscle district's the J-shaped steel sheet connecting piece of falling with go out the muscle district and fall the structural schematic diagram of J-shaped steel sheet connecting piece.
Fig. 5 is the utility model discloses a but cyclic utilization's prefabricated coincide bottom plate side forms's non-goes out muscle district joint bar square tunnel steel chock's structural schematic.
Fig. 6 is the utility model discloses a but cyclic utilization's prefabricated coincide bottom plate side forms's side forms angle steel passes through connecting bolt connection's schematic structure.
Fig. 7 is a schematic view of the combined use state of the recyclable prefabricated superposed bottom plate side form of the present invention.
In the picture, 1 is the side forms angle steel, 2 is combination steel chamfer component, 3 is that the bar district falls the J-shaped steel sheet connecting piece for not going out, 4 is the bar district falls the J-shaped steel sheet connecting piece, 5 is joint bar square hole steel chock, 6 is the stiffening rib, 7 is the connection screw, 8 is joint bar square hole, 9 is the mounting groove, 10 is the joint bar hole, 11 is the side forms bottom plate, 12 is the side forms riser, 13 is first recess, 14 is the second recess, 15 is connecting bolt, 16 is the reinforcing bar.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A prefabricated overlapped bottom plate side formwork capable of being recycled comprises side formwork angle steel 1 as shown in figure 1, and side formwork angle steel 1 comprises a transverse side formwork bottom plate 11 and a longitudinal side formwork upright plate 12 as shown in figure 2; inclined stiffening ribs 6 are respectively connected between the end parts of the side formwork bottom plates 11 and the end parts of the side formwork vertical plates 12 at the two ends of the side formwork angle steel 1; the stiffening rib 6 is provided with a connecting screw hole 7; the middle part of the side formwork angle steel 1 is provided with an inclined stiffening rib 6 which is connected with a side formwork bottom plate 11 and a side formwork vertical plate 12; the side die vertical plate 12 is provided with a rib inserting square hole 8; an installation groove 9 is formed in the outer side face of the side die vertical plate 12, as shown in fig. 3, a combined steel chamfering member 2 is installed in the installation groove 9, and a chamfering face is formed on the outer side face of the combined steel chamfering member 2; a first groove 13 is formed in the top surface of the side formwork vertical plate 12, and as shown in fig. 4, a non-rib-outlet-area inverted J-shaped steel plate connecting piece 3 and a rib-outlet-area inverted J-shaped steel plate connecting piece 4 are installed in the first groove 13 at intervals; as shown in fig. 5, a steel bar inserting square hole steel plug block 5 is arranged below the non-steel bar outlet region inverted J-shaped steel plate connecting piece 3 and the steel bar outlet region inverted J-shaped steel plate connecting piece 4, a second groove 14 is arranged on the top surface of the steel bar inserting square hole steel plug block 5, and the lower ends of the non-steel bar outlet region inverted J-shaped steel plate connecting piece 3 and the steel bar outlet region inverted J-shaped steel plate connecting piece 4 are arranged in the second groove 14; the joint bar square hole 8 is formed by a gap formed by combining the joint bar area inverted J-shaped steel plate connecting piece 4 and the adjacent joint bar square hole steel chock blocks 5 to form a joint bar hole 10.
When the recyclable prefabricated overlapped bottom plate side forms of the embodiment are used, as shown in fig. 6 and 7, the adjacent prefabricated overlapped bottom plate side forms are connected through the connecting bolts 15 arranged in the connecting screw holes 7.
Example 2
A prefabricated overlapped bottom plate side formwork capable of being recycled is similar to that in embodiment 1, except that inclined stiffening ribs 6 are respectively connected between a side formwork bottom plate 11 and a side formwork vertical plate 12 in side formwork angle steel 1.
It can also be specific that the bending positions of the inverted J-shaped steel plate connecting piece 3 in the non-rib-outlet area and the inverted J-shaped steel plate connecting piece 4 in the rib-outlet area are of right-angle bending structures.
The inner side face of the inverted J-shaped steel plate connecting piece (4) in the rib outlet area is arranged to be T-shaped, the inner side face is located in a gap between two adjacent inverted J-shaped steel plate connecting pieces (3) in the rib outlet area, and the lower end of the inner side face stretches into a second groove (14) in the upper portion of the adjacent steel inserting square hole steel plug block (5) to form a rib inserting hole (10).
Specifically, the tendon insertion hole 10 may be a transverse rectangular strip-shaped hole.
And specifically, two connecting screw holes 7 are respectively formed in the stiffening ribs 6 at the two ends of the side formwork angle steel 1.
It can also be specific that two connecting screw holes 7 on the stiffening rib 6 are evenly distributed.
More specifically, the mounting groove 9 is a trapezoidal groove.
Further specifically, the first groove 13 and the second groove 14 may be rectangular grooves.
Above-mentioned prefabricated coincide bottom plate side forms that can recycle, inboard finger is located one side in the structure of bending of side forms angle steel 1, and the outside indicates the one side that is located side forms angle steel 1 structure of bending outside. The inverted J-shaped steel plate connecting piece 3 in the non-rib-outlet area and the inverted J-shaped steel plate connecting piece 4 in the rib-outlet area can respectively comprise a transverse plate and two vertical plates, the upper ends of the two vertical plates can be respectively connected to the two sides of the transverse plate, the vertical plates can be perpendicular to the transverse plates, and the length of one vertical plate is larger than that of the other vertical plate. The steel chock 5 of the square hole of the dowel can be a rectangular block. The stiffening ribs 6 may be trapezoidal plates. The surface of the stiffening rib 6 is vertical to the side formwork bottom plate 11 and the side formwork vertical plate 12.
Above-mentioned prefabricated coincide bottom plate side forms that can cyclic utilization, its preparation installation process can be as follows:
firstly, collecting and arranging basic information of the fabricated composite floor slab;
the size of the precast concrete laminated bottom plate and the arrangement requirement of the steel bars 16 are collected through a large number of engineering projects in the service range of the PC component factory, and the maximum and minimum steel bar 16 intervals and the steel bar 16 diameters of the arrangement of the steel bars 16 of the floor slab are determined by consulting relevant specifications. The usual diameter of the stressed reinforcement 16 in the slab is determined according to the specifications: the thickness h <100mm is 6-8mm, h < 100-.
According to the experience of actual projects, the engineering project usually adopts a laminated slab form of a precast concrete laminated bottom plate with the thickness of 60mm and a laminated cast-in-place layer with the thickness of (70, 80, 90, 100mm), steel bars 16 with the diameter of 8mm are usually used for arranging the steel bars, and steel bars 16 with the diameter of 12mm are usually used for local reinforcement.
Secondly, determining the thickness of the side form angle steel 1;
according to actual production experience, because the prefabricated bottom plate component is mostly hammered during demolding, and a plurality of reinforcing steel bar openings are formed in the side die, in order to ensure the reuse rate of the side die steel plate and avoid the potential risk of deformation and damage of the side die steel plate, the width and the height of the side die steel plate are respectively 60mm and 60mm, and the thickness of the side die steel plate is respectively 20mm and 10 mm.
Thirdly, determining the form and detail structure of the side form angle steel 1;
set up the floor of the stiffening rib 2 that the wide and thick 10 x 5mm, interval are 400mm at 1 tip of side forms angle steel and connect adjacent side forms angle steel 1's tip for guarantee the wholeness ability of side forms, and set up two diameter 10 mm's connection screw 7 on 2's of the stiffening rib of side forms angle steel 1's floor, utilize connecting bolt 15 to connect the side forms, be used for lengthening superimposed sheet side forms, it is required to satisfy the project. As shown in fig. 2 to 4, fig. 2 shows a main body of a side form angle iron 1, which is mainly formed by processing angle iron, a stiffening rib 2 and a reserved groove, wherein a 10mm thick steel plate of the side form angle iron 1 is a side form bottom plate 11, and the side form bottom plate 11 is connected with a mould platform; the 20mm thick steel plate of the side form angle steel 1 is a side form vertical plate 12 which is the main part of the side form, a square opening with the height of 20mm and the width of 20mm is processed at a position 20mm away from the bottom of the steel plate, a steel bar 16 is arranged and is changed into a square insertion bar opening 8, an isosceles trapezoid opening with the central processing depth of 10mm, the width of an outer side opening of 10mm and the width of an inner side opening of 14mm is arranged on the side form vertical plate 12 at one side contacted with concrete, an installation groove 9 of a combined steel chamfer component 2 penetrates through two ends of the length direction of the side form vertical plate 12 and is used for being connected with a steel angle of an inverted triangle with the height of 20mm and the inclination of 45 degrees shown in figure 3 to form a chamfer for producing an overlapped bottom plate, a first groove 13 with the processing width of 2mm and the depth of 10mm is mainly connected with the steel plate shown in figure 4 at the position 4 at the other side form of the side form vertical plate, is used for combining with the second groove 14 on the non-bar-outlet-area steel plug block 5 in the square hole of the steel plug block 5 to fix the non-bar-outlet-area steel plug block 5 and the rubber plug block in the bar-outlet-area anti-leakage square hole 8 shown in the figure 4, figure 4 shows the inverted J-shaped steel plate connecting piece 3 at the non-rib-outlet area and the inverted J-shaped steel plate connecting piece 4 at the rib-outlet area, the J-shaped steel plate is the connecting piece, the width of the steel plate at the side with the largest width of the connecting piece shown in figure 4 is 42mm, the connecting piece is mainly used for connecting a non-rib-forming area, the width of the steel plate at the side with the largest width of the connecting piece shown in figure 4 is 35mm, the steel plate is mainly used for connecting a bar outlet area, the steel plug 5 of the square hole for inserting bars in the bar outlet area shown in figure 5 is 26mm wide and 20mm high, a groove with the width of 2mm and the depth of 10mm is arranged at the position 2mm away from the side surface with the height of 20mm, the plug block is mainly used for preventing slurry leakage and plugging of a square hole of a joint bar in a non-bar-outlet area and plays a role in fixing and distributing the steel bars 16.
Fourthly, determining the basic size attributes of each component of the side form angle steel 1;
according to the information collected in the first step and the actual project experience, the span of a common laminated bottom plate in engineering is not more than 6m, the width is generally not more than 2.4m, and the main body length of the side form angle steel 1 shown in figure 2 is 1m and 3m for standby; the length of the square steel plug 5 with the square steel bar-inserting holes in the non-bar-discharging area shown in fig. 6 and the spare length of the inverted J-shaped steel plate connecting piece 3 in the non-bar-discharging area shown in fig. 4 are 10mm, 20mm, 50mm, 100mm and 200 m; the inverted J-shaped steel plate connecting piece 4 in the rib outlet area shown in FIG. 5 is standby for 40mm in length; the spare lengths of the square steel chock blocks 5 with the square steel inserting holes in the non-bar-outlet areas shown in the figure 6 are 5mm, 10mm, 20mm, 50mm and 100 mm.
Fifthly, combining and connecting side forms;
according to actual engineering requirements, the components shown in fig. 2 to 5 are combined to form a complete single-side superimposed bottom plate side die, specifically shown in fig. 7; when the length of the side form angle steel 1 shown in fig. 2 does not meet the requirement, the connecting bolt hole 7 reserved by the rib plate of the connecting bolt 15 and the stiffening rib 6 at the end part of the side form angle steel 1 can be utilized to connect, the length of the side form angle steel 1 is increased to meet the actual engineering requirement, as shown in fig. 6, when the length of the side form angle steel 1 is too long, a required superposed bottom plate side form can be formed according to the combination form shown in fig. 7, the superposed bottom plate side form formed by the combination can be fixed on a mould table through a pressure magnetic box, then, the production processes of rib arrangement, pouring and the like are carried out, and after the use is finished, the maintenance is removed for the components, so as to be used subsequently.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A prefabricated superposed bottom plate side formwork capable of being recycled comprises side formwork angle steel (1), wherein the side formwork angle steel (1) comprises a transverse side formwork bottom plate (11) and a longitudinal side formwork vertical plate (12); the steel plate edge formwork is characterized in that inclined stiffening ribs (6) are respectively connected between the end parts of an edge formwork bottom plate (11) and an edge formwork vertical plate (12) at the two ends of the edge formwork angle steel (1); the stiffening rib (6) is provided with a connecting screw hole (7); the middle part of the side die angle steel (1) is provided with an inclined stiffening rib (6) which is connected with a side die bottom plate (11) and a side die vertical plate (12); the side mould vertical plate (12) is provided with a dowel square hole (8); an installation groove (9) is formed in the outer side face of the side die vertical plate (12), a combined steel chamfering member (2) is installed in the installation groove (9), and a chamfering face is formed on the outer side face of the combined steel chamfering member (2); a first groove (13) is formed in the top surface of the side die vertical plate (12), and a non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and a rib-outlet-area inverted J-shaped steel plate connecting piece (4) are installed in the first groove (13) at intervals; a rib inserting square hole steel plug block (5) is arranged below the non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and the rib-outlet-area inverted J-shaped steel plate connecting piece (4), a second groove (14) is arranged on the top surface of the rib inserting square hole steel plug block (5), and the lower ends of the non-rib-outlet-area inverted J-shaped steel plate connecting piece (3) and the rib-outlet-area inverted J-shaped steel plate connecting piece (4) are arranged in the second groove (14); the joint bar square hole (8) is formed by combining a joint bar hole (10) through a joint bar outlet area inverted J-shaped steel plate connecting piece (4) and adjacent joint bar square hole steel plug blocks (5).
2. The recyclable prefabricated overlapping bottom plate sideform as claimed in claim 1, wherein adjacent ones of the prefabricated overlapping bottom plate sideforms are connected by means of connecting bolts (15) provided in the connecting screw holes (7).
3. The recyclable prefabricated overlapping floor sideform according to claim 1, characterized in that inclined stiffening ribs (6) are connected between the sideform floor (11) and the sideform riser (12) in the sideform angle steel (1).
4. The recyclable prefabricated laminated bottom side form as claimed in claim 1, wherein the bent portions of the inverted J-shaped steel plate connectors (3) and (4) in the non-rib-outlet area are in a right-angle bent structure.
5. The prefabricated overlapping bottom plate side form capable of being recycled according to claim 1, wherein the inner side surfaces of the inverted J-shaped steel plate connecting pieces (4) in the rib outlet areas are arranged to be T-shaped and are positioned in a gap between two adjacent inverted J-shaped steel plate connecting pieces (3) in the rib outlet areas, and the lower ends of the inverted J-shaped steel plate connecting pieces extend into the second grooves (14) in the upper parts of the steel plug blocks (5) in the adjacent rib inserting square holes to form rib inserting holes (10).
6. A recyclable prefabricated laminated bottom wall form as claimed in claim 2 wherein the tendon insertion holes (10) are transverse rectangular strip holes.
7. The recyclable prefabricated overlapping floor sideform according to claim 1, wherein the stiffeners (6) at both ends of the sideform angle steel (1) are provided with two connecting screw holes (7), respectively.
8. Prefabricated overlapping floor formwork according to claim 7, characterized in that the two connecting screw holes (7) in the stiffening ribs (6) are evenly distributed.
9. A recyclable laminated base profile according to claim 1, characterized in that the mounting groove (9) is a trapezoidal groove.
10. A recyclable preformed superimposed floor sideform according to claim 1, characterized in that the first recess (13) and the second recess (14) are rectangular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696652.7U CN213859863U (en) | 2020-11-20 | 2020-11-20 | Prefabricated coincide bottom plate side forms that can cyclic utilization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022696652.7U CN213859863U (en) | 2020-11-20 | 2020-11-20 | Prefabricated coincide bottom plate side forms that can cyclic utilization |
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| CN213859863U true CN213859863U (en) | 2021-08-03 |
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| CN202022696652.7U Active CN213859863U (en) | 2020-11-20 | 2020-11-20 | Prefabricated coincide bottom plate side forms that can cyclic utilization |
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