CN212453558U - Unsupported self-supporting profile steel platform - Google Patents
Unsupported self-supporting profile steel platform Download PDFInfo
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- CN212453558U CN212453558U CN202020695396.7U CN202020695396U CN212453558U CN 212453558 U CN212453558 U CN 212453558U CN 202020695396 U CN202020695396 U CN 202020695396U CN 212453558 U CN212453558 U CN 212453558U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 171
- 239000010959 steel Substances 0.000 title claims abstract description 171
- 239000002184 metal Substances 0.000 claims abstract description 88
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 18
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- -1 limiting plate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides an unsupported is from holding shaped steel platform, including cast in situ concrete component, bolt built-in fitting, metal sheet, bolt, shaped steel, angle steel, outer scaffold frame, assembled concrete component, limiting plate. The metal plate, the section steel, the angle steel and the limiting plate are of an integrated structure and are fixed on the cast-in-place concrete member. The utility model discloses can avoid the external protective structure to set up the entrance to a cave in assembled concrete structure and be assembled concrete component or cast in situ concrete component inboard need not the shaped steel anchor, except that the bolt built-in fitting need be pre-buried inside and outside the concrete component, the metal sheet, shaped steel, angle steel, limiting plate form a stable whole back through the bolt fastening installation outside the concrete component, and the bolt is removable turnover component, the whole of metal sheet, shaped steel, angle steel, limiting plate formation can transport hoist and mount reuse, adopt the utility model discloses effectively reduce the wasting of resources with greatly reduced risk coefficient, increase benefit, reduce the labour input, reduce the emergence of potential safety hazard.
Description
Technical Field
The utility model relates to a building element technical field, concretely relates to unsupported is from holding shaped steel platform.
Background
The external scaffold system of the cast-in-place concrete structure and the prefabricated building can be mainly divided into a floor type, an overhanging type, an external climbing type and the like according to the height of a floor and the complexity of the building. In the traditional process for building the overhanging type cast-in-place concrete structure and the outer scaffold of the prefabricated assembly type building, when a steel platform of the overhanging type scaffold is connected with a main body outer enclosure structure or extends into the outer enclosure structure for anchoring, according to corresponding requirements, because the steel needs to be arranged in the outer enclosure structure and anchored with the length which is not less than 1.25 times of the overhanging length of the steel, holes need to be arranged at the positions when other components such as a prefabricated outer wall and a prefabricated column are manufactured in a factory, the process not only influences the implementation of the working procedures such as masonry, electromechanics and decoration of the subsequent steel platform floor, but also influences the structure by the arrangement of an embedded part of the fixed steel in the structure, the steel platform needs to be subjected to fire operation, the safety risk is increased, the labor input is increased, the construction period is prolonged, the construction cost is increased, and the construction of the.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide a can effectively reduce wasting of resources, increase benefit, reduce cost, reduce the labour and drop into, reduce potential safety hazard, the low unsupported self-sustaining shaped steel platform of risk coefficient.
The utility model discloses the purpose is realized through following technical scheme:
an unsupported self-supporting section steel platform comprises a cast-in-place concrete member, an assembled concrete member, an external scaffold, a bolt embedded part, a metal plate, a bolt, section steel, angle steel and a limiting plate; the fabricated concrete member is arranged on the top of the outer side surface of the cast-in-place concrete member; the outer scaffold is arranged on the outer sides of the cast-in-place concrete member and the assembled concrete member, the bolt embedded parts are a plurality of expansion pipes which are embedded in the cast-in-place concrete member and internally provided with internal threads, and the openings of the bolt embedded parts are communicated with the outside; the metal plate is attached to the outer side surface of the cast-in-place concrete member, and a plurality of mounting holes are formed in the position, opposite to the opening of the bolt embedded part, of the metal plate; the bolt penetrates through the mounting hole from the outer side of the metal plate and then is screwed into the inner hole of the bolt embedded part to be in threaded connection with the bolt embedded part, and the metal plate is fixed on the outer side surface of the cast-in-place concrete member; the cross section of the section steel is I-shaped, one end of the section steel is fixed on the outer side surface of the metal plate, and the other end of the section steel extends out reversely; the angle steel is two right-angle bent plates which are respectively fixed on an included angle formed by the section steel and the metal plate; the limiting plates are two U-shaped metal plates which are fixed on the outer side face of the metal plate in parallel and are respectively attached to two sides of the section steel, and the limiting plates are clamped in a groove body on the side face of the section steel.
Further, shaped steel, angle steel, limiting plate all pass through welded fastening with the metal sheet lateral surface, and shaped steel and angle steel pass through welded fastening, and shaped steel, angle steel, limiting plate, metal sheet form a whole through the welding, can shorten steel platform installation time, are convenient for transport and assembly simultaneously.
Furthermore, the section of angle steel is L type or right triangle or right trapezoid, and three kinds of shapes all have two mutually perpendicular and can laminate fixedly respectively with shaped steel and metal sheet respectively to reinforcing steel platform's stability. The concrete connection mode is as follows: one right-angle surface of the angle steel is attached and fixed on the section steel, and the other right-angle surface of the angle steel is attached and fixed on the outer side surface of the metal plate.
Further, the bolt embedded part, the metal plate, the bolt, the section steel, the angle steel and the limiting plate are all made of metal materials. Such as steel.
Furthermore, for preventing outer scaffold frame horizontal slip, be equipped with a plurality of installation sleeves at the shaped steel top, the grafting of every steel pipe bottom one to one of outer scaffold frame is in the installation sleeve.
Further, the distance between the upper edge of the metal plate and the upper edge of the section steel is preferably more than one third of the height of the metal plate, so that the overall stress performance is improved. Of course, the distance between the upper edge of the metal plate and the upper edge of the section steel is not limited to more than one third of the height of the metal plate, the specific height is set according to the calculation of the stress, and the scheme is a preferable scheme.
Further, metal sheet, shaped steel, angle steel, limiting plate formula structure as an organic whole, the reducible steel platform installation time of integral type structure, the transportation and the assembly of being convenient for simultaneously.
The utility model discloses a self-sustaining shaped steel platform of no support is applicable to cast-in-place concrete structure or assembled concrete structure or cast-in-place concrete structure and assembled concrete structure's combination.
Further, the outer side surface of the cast-in-place concrete member is a V-shaped corner surface; the V-shaped corner surface is an external corner surface or an internal corner surface, and the metal plate correspondingly and cooperatively arranged on the V-shaped corner surface of the cast-in-place concrete member is also a V-shaped corner plate.
Furthermore, the included angle between the section steel and the metal plate is a right angle, an acute angle or an obtuse angle.
The utility model has the advantages that:
the utility model discloses can avoid the external enclosure structure to set up the entrance to a cave promptly assembled concrete component or cast in situ concrete component inboard need not the shaped steel anchor in assembled concrete structure, except that the bolt built-in fitting need pre-buried inside and outside the concrete component, the metal sheet, shaped steel, angle steel, limiting plate form a stable whole back through the bolt fastening installation outside the concrete component, and the bolt is detachable turnover component, the whole of metal sheet, shaped steel, angle steel, limiting plate formation can transport hoist and mount reuse, adopt the utility model discloses effectively reduce the wasting of resources with greatly reduced risk coefficient, increase benefit, reduce the labour input, reduce the emergence of potential safety hazard.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of an unsupported self-supporting steel platform according to the present invention;
FIG. 2 is a schematic side elevation view of an integrated structure formed by a metal plate, a section steel, an angle steel and a limiting plate according to a first embodiment of the present invention;
FIG. 3 is a schematic view of the front vertical surface installation of the integrated structure formed by the metal plate, the section steel, the angle steel and the limiting plate of the present invention;
FIG. 4 is a drawing for separating angle steel, bolts and embedded bolts according to the present invention;
FIG. 5 is a schematic view of a cast-in-place concrete member and a metal plate according to a second embodiment of the present invention;
FIG. 6 is a schematic structural view of a metal plate according to a second embodiment of the present invention;
FIG. 7 is a schematic view of the installation of the section steel and the metal plate according to the third embodiment of the present invention;
FIG. 8 is a flow chart of the construction steps of an unsupported self-supporting steel platform according to the present invention;
shown in the figure: the method comprises the following steps of 1-cast-in-place concrete member, 2-bolt embedded part, 3-metal plate, 4-bolt, 5-section steel, 6-angle steel, 7-external scaffold, 8-fabricated concrete member, 9-limiting plate, 10-mounting sleeve and 11-mounting hole.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.
The first embodiment is as follows:
as shown in fig. 1-4 the utility model discloses an unsupported self-supporting shaped steel platform, including cast in situ concrete member 1, bolt built-in fitting 2, metal sheet 3, bolt 4, shaped steel 5, angle steel 6, outer scaffold 7, assembled concrete member 8, limiting plate 9. The bolt embedded part 2 is formed by a plurality of expansion pipes which are embedded in the cast-in-place concrete member 1 and internally provided with internal threads (the outer side of the bolt embedded part 2 is an annular bulge or a conical body which expands outwards), and the opening part of the bolt embedded part 2 is communicated with the outside (the opening part of the bolt embedded part 2 is flush with the outer side surface of the cast-in-place concrete member 1). The metal plate 3 is attached to the outer side surface of the cast-in-place concrete member 1, and a plurality of mounting holes 11 (preferably six mounting holes, which are uniformly distributed in six directions of the metal plate 3) are formed in the positions, which are opposite to the openings of the bolt embedded parts 2, on the metal plate 3. The bolt 4 is screwed into the inner hole of the bolt embedded part 2 to be in threaded connection with the bolt embedded part 2 after the outer side of the metal plate 3 penetrates through the mounting hole, and the metal plate 3 is fixed on the outer side surface of the cast-in-place concrete member 1. The cross section of the section steel 5 is I-shaped, one end of the section steel 5 is fixed on the outer side surface of the metal plate 3, and the other end of the section steel extends out reversely. The angle steel 6 is two right angle bent plates which are respectively fixed on the included angle formed by the section steel 5 and the metal plate 3. The limiting plates 9 are two U-shaped metal plates which are fixed on the outer side face of the metal plate 3 in parallel and attached to two sides of the section steel 5 respectively, the limiting plates 9 are clamped in groove bodies on the side faces of the section steel 5 (the limiting plates 9 are used for supporting the section steel 5 in an auxiliary mode and limiting horizontal deviation of the section steel 5 at the same time, the outer scaffold 7 is installed at the top of the section steel 5, the section steel 5 can be subjected to horizontal component force applied by the outer scaffold 7, certain degree of deflection deformation or swinging is generated, although the degree of deformation is possibly small, certain probability can lead to looseness of a welding position of the section steel 5, and the existence of the limiting plates 9 can limit deflection deformation or swinging to a certain degree. The fabricated concrete member 8 is arranged on the top of the outer side surface of the cast-in-place concrete member 1; the outer scaffold 7 is installed outside the cast-in-place concrete member 1 and the fabricated concrete member 8. In order to prevent the outer scaffold 7 from horizontally sliding, a plurality of mounting sleeves 10 are arranged at the top of the section steel (5), and the bottoms of each steel pipe of the outer scaffold 7 are inserted into the mounting sleeves 10 one by one. Wherein the included angle between the section steel 5 and the metal plate 3 is a right angle. The outer side plane of the cast-in-place concrete member 1; the metal plate 3 is also a flat plate.
The distance between the upper edge of the metal plate 3 and the upper edge of the section steel 5 is more than one third of the height of the metal plate 3, so that the integral stress performance is improved. Of course, the distance between the upper edge of the metal plate 3 and the upper edge of the section steel 5 is not limited to more than one third of the height of the metal plate 3, and the specific height should be set according to the calculation of the stress, and the scheme is a preferable scheme.
The bolt embedded part 2, the metal plate 3, the bolt 4, the section steel 5, the angle steel 6 and the limiting plate 9 are all made of metal materials. Such as steel.
As shown in fig. 1-3, the section steel 5, the angle steel 6 and the limiting plate 9 are all welded and fixed with the side surface of the metal plate 3, the section steel 5 and the angle steel 6 are welded and fixed, and the section steel 5, the angle steel 6, the limiting plate 9 and the metal plate 3 are welded and formed into a whole, so that the installation time of the steel platform can be shortened, and the transportation and the assembly are convenient.
The section of the angle steel 6 is L-shaped or right-angled triangle or right-angled trapezoid, and the three shapes are mutually vertical and can be respectively attached and fixed with the section steel 5 and the metal plate 3 so as to enhance the stability of the steel platform. The concrete connection mode is as follows: one right-angle surface of the angle steel 6 is attached and fixed on the section steel 5, and the other right-angle surface is attached and fixed on the outer side surface of the metal plate 3.
As shown in figure 3, the metal plate 3, the section steel 5, the angle steel 6 and the limiting plate 9 are of an integrated structure, the installation time of the steel platform can be shortened through the integrated structure, and meanwhile, the transportation and the assembly are convenient.
The utility model discloses a self-sustaining shaped steel platform of no support is applicable to cast-in-place concrete structure or assembled concrete structure or cast-in-place concrete structure and assembled concrete structure's combination.
Example two:
as shown in fig. 5 and 6, the present embodiment is different from the first embodiment in that the outer side surface of the cast-in-place concrete member 1 is a V-shaped corner surface; the V-shaped corner surface is an external corner surface or an internal corner surface, and the metal plate 3 correspondingly and cooperatively arranged on the V-shaped corner surface of the cast-in-place concrete member 1 is also a V-shaped corner plate.
Example three:
as shown in fig. 7, the present embodiment is different from the second embodiment in that the included angle between the section steel 5 and the metal plate 3 is a right angle, an acute angle or an obtuse angle.
The utility model discloses an installation principle as follows:
the operation steps of the metal plate 3, the section steel 5, the angle steel 6 and the limiting plate 9 which are connected into an integrated structure are as follows:
a. vertically welding the I-shaped steel 5 on the metal plate 3;
b. respectively welding two limiting plates 9 on the metal plate 3 and not arranging on two sides of the section steel 5, so that a middle plate of the section steel 5 is tightly attached between the two limiting plates 9, simultaneously, the lower surface of a top plate of the section steel 5 is attached to the tops of the two limiting plates 9, and the upper surface of a bottom plate of the section steel 5 is attached to the bottoms of the two limiting plates 9; then, the end of the section steel 5 is welded to the metal plate 3. Limiting plate 9 stands on one side, and limiting plate 9 side is used for restricting shaped steel 5 displacement about, and limiting plate 9 top and bottom are used for the auxiliary stay shaped steel 5, restrict the luffing motion of shaped steel 5 simultaneously.
The installation of the limiting plate 9 and the section steel 5 ensures that the distance between the upper edge of the metal plate 3 and the upper edge of the section steel 5 is more than one third of the height of the metal plate 3 so as to increase the overall stress performance. Of course, the distance between the upper edge of the metal plate 3 and the upper edge of the section steel 5 is not limited to more than one third of the height of the metal plate 3, and the specific height should be set according to the calculation of the stress, and the scheme is a preferable scheme.
c. And finally, respectively welding and fixing the two angle steels 6 on an included angle formed by the section steel 5 and the metal plate 3, wherein one right-angle surface of each angle steel 6 is attached and welded on the section steel 5, and the other right-angle surface is attached and welded on the outer side surface of the metal plate 3.
As shown in fig. 8, the installation steps of the unsupported self-supporting steel platform of the present invention are as follows:
(1) and (3) installing and fixing the bolt embedded part 2 in the concrete mould, enabling the opening part of the bolt embedded part 2 to extend out of the outermost template of the concrete mould (flush with the outer side surface of the outermost template of the concrete mould), and then pouring concrete to obtain the cast-in-place concrete member 1.
(2) The fabricated concrete member 8 is installed on the cast-in-place concrete member 1.
(3) Fixedly mounting an integrated structure formed by a metal plate 3, section steel 5, angle steel 6 and a limiting plate 9 on the outer side surface of the cast-in-place concrete member 1 through bolts 4; during installation, the metal plate 3 is attached to the outer side surface of the cast-in-place concrete component 1, the installation hole in the metal plate 3 is aligned with the opening of the bolt embedded part 2, then the end part of the screw head of the bolt 4 penetrates through the installation hole to extend into the opening of the bolt embedded part 2, and a nut at the tail end of the bolt 4 (the nut and the tail end of the screw are in an integrated structure) is screwed by a tool and is tightened; finally, tightening all the bolts 4 respectively fastens the metal plate 3 to the outer side surface of the cast-in-place concrete member 1. Namely, the installation of an unsupported self-supporting section steel platform is completed.
(4) And continuously installing the unsupported self-supporting section steel platform at other positions on the same plane according to the steps.
(5) After all the unsupported self-supporting section steel platforms are installed, the outer scaffold 7 can be erected on the unsupported self-supporting section steel platforms, and the bottoms of all the steel pipes of the outer scaffold 7 can be correspondingly and directly inserted into the installation sleeve 10 at the tops of the unsupported self-supporting section steel platforms so as to prevent sliding.
The protection scope of the present invention is not limited to the technical solution disclosed in the specific embodiment, and all the modifications, equivalent replacements, improvements, etc. made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the present invention.
Claims (10)
1. An unsupported self-supporting section steel platform comprises a cast-in-place concrete member (1), an assembled concrete member (8) and an external scaffold (7); the fabricated concrete member (8) is arranged on the top of the outer side surface of the cast-in-place concrete member (1); the outer scaffold (7) is installed in cast in place concrete member (1) and assembled concrete member (8) outside, its characterized in that: the steel plate is characterized by also comprising a bolt embedded part (2), a metal plate (3), a bolt (4), section steel (5), angle steel (6) and a limiting plate (9); the bolt embedded parts (2) are a plurality of expansion pipes which are embedded in the cast-in-place concrete member (1) and provided with internal threads inside, and the openings of the bolt embedded parts (2) are communicated with the outside; the metal plate (3) is attached to the outer side surface of the cast-in-place concrete member (1), and a plurality of mounting holes (11) are formed in the position, opposite to the opening part of the bolt embedded part (2), of the metal plate (3); the bolt (4) penetrates through the mounting hole from the outer side of the metal plate (3) and then is screwed into the inner hole of the bolt embedded part (2) to be in threaded connection with the bolt embedded part (2), and the metal plate (3) is fixed on the outer side surface of the cast-in-place concrete member (1); the cross section of the section steel (5) is I-shaped, one end of the section steel (5) is fixed on the outer side surface of the metal plate (3), and the other end of the section steel extends out reversely; the angle steel (6) is two right-angle bent plates which are respectively fixed on an included angle formed by the section steel (5) and the metal plate (3); the limiting plates (9) are two U-shaped metal plates which are fixed on the outer side face of the metal plate (3) in parallel and are respectively attached to two sides of the section steel (5), and the limiting plates (9) are clamped in grooves on the side faces of the section steel (5).
2. An unsupported, self-supporting steel platform according to claim 1, wherein: shaped steel (5), angle steel (6), limiting plate (9) all pass through welded fastening with metal sheet (3) lateral surface, and shaped steel (5) pass through welded fastening with angle steel (6).
3. An unsupported, self-supporting steel platform according to claim 1, wherein: the section of the angle steel (6) is L-shaped, right-angled triangle or right-angled trapezoid.
4. An unsupported, self-supporting steel platform according to claim 3, wherein: one right-angle surface of the angle steel (6) is attached and fixed on the section steel (5), and the other right-angle surface is attached and fixed on the outer side surface of the metal plate (3).
5. An unsupported, self-supporting steel platform according to claim 1, wherein: the bolt embedded part (2), the metal plate (3), the bolt (4), the section steel (5), the angle steel (6) and the limiting plate (9) are all made of metal materials.
6. An unsupported, self-supporting steel platform according to claim 1, wherein: the distance between the upper edge of the metal plate (3) and the upper edge of the section steel (5) is more than one third of the height of the metal plate (3).
7. An unsupported, self-supporting steel platform according to claim 1, wherein: a plurality of mounting sleeves (10) are arranged at the tops of the section steels (5), and the bottoms of all steel pipes of the external scaffold (7) are inserted into the mounting sleeves (10) one by one.
8. An unsupported, self-supporting steel platform according to any one of claims 1 to 7, characterised in that: the metal plate (3), the section steel (5), the angle steel (6) and the limiting plate (9) are of an integrated structure.
9. An unsupported, self-supporting steel platform according to any one of claims 1 to 7, characterised in that: the outer side surface of the cast-in-place concrete member (1) is a V-shaped corner surface; the V-shaped corner surface is an external corner surface or an internal corner surface, and the metal plate (3) correspondingly and cooperatively arranged on the V-shaped corner surface of the cast-in-place concrete member (1) is also a V-shaped corner plate.
10. An unsupported, self-supporting steel platform according to any one of claims 1 to 7, characterised in that: the included angle between the section steel (5) and the metal plate (3) is a right angle, an acute angle or an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695396.7U CN212453558U (en) | 2020-04-30 | 2020-04-30 | Unsupported self-supporting profile steel platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695396.7U CN212453558U (en) | 2020-04-30 | 2020-04-30 | Unsupported self-supporting profile steel platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212453558U true CN212453558U (en) | 2021-02-02 |
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ID=74464253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020695396.7U Expired - Fee Related CN212453558U (en) | 2020-04-30 | 2020-04-30 | Unsupported self-supporting profile steel platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212453558U (en) |
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2020
- 2020-04-30 CN CN202020695396.7U patent/CN212453558U/en not_active Expired - Fee Related
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Granted publication date: 20210202 |