CN210082044U - Stair board concrete prefabricated part convenient to assembly - Google Patents
Stair board concrete prefabricated part convenient to assembly Download PDFInfo
- Publication number
- CN210082044U CN210082044U CN201920595378.9U CN201920595378U CN210082044U CN 210082044 U CN210082044 U CN 210082044U CN 201920595378 U CN201920595378 U CN 201920595378U CN 210082044 U CN210082044 U CN 210082044U
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- China
- Prior art keywords
- concrete
- fixing plate
- fixed plate
- assembly
- stair
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a stair board concrete prefab convenient to assembly, including a plurality of terraced board bodies, through the fixed shaping of coupling assembling between the terraced board body, this end of body of terraced board is equipped with the chamber that holds that is used for fixed connection subassembly, coupling assembling includes two parallel arrangement's first fixed plate, be equipped with the first stiffener of a plurality of groups between the first fixed plate, the first stiffener of every group is equipped with two and cross arrangement, first fixed plate side edge is equipped with a plurality of nuts, first fixed plate, first stiffener are in pouring rectangular concrete block, the chamber looks adaptation that holds of concrete block and its both sides, hold the chamber including locating its inside second fixed plate. The utility model discloses a stair board concrete prefab convenient to assembly, the ladder board body that the overlap joint is in the same place strengthens greatly with coupling assembling's whole rigidity, and the ladder board body that can splice is convenient to be removed, has reduced the cost that transportation and stack were deposited.
Description
Technical Field
The utility model relates to a prefab, concretely relates to stair tread prefab.
Background
Traditional stairs are formed by cast-in-place, the stair structure cannot be hoisted due to the limitation of the hoisting capacity of a tower crane, in order to solve the problems, some construction units adopt prefabricated stairs, namely, the stairs are machined, manufactured and molded in advance according to the requirements of the construction units in machining and manufacturing factories and transported to a construction site for assembly, the method is widely applied to assembly type buildings, but the existing prefabricated members are all of an integrated pouring type, the transportation and stacking of the stairs for houses can be facilitated, but for large-scale office buildings, the overlong stair prefabricated members cannot be conveniently moved, and the transportation and stacking storage costs are increased.
Disclosure of Invention
The purpose of the invention is as follows: an object of the utility model is to prior art not enough, provide a stair board concrete prefab convenient to assembly, facilitate the use.
The technical scheme is as follows: the stair board concrete prefabricated part convenient for assembly comprises a plurality of stair board bodies, wherein the stair board bodies are fixedly formed through a connecting assembly, the end parts of the stair board bodies are provided with accommodating cavities for fixing the connecting assembly, the connecting assembly comprises two first fixing plates arranged in parallel, a plurality of groups of first reinforcing rods are arranged between the first fixing plates, each group of first reinforcing rods is provided with two reinforcing rods which are arranged in a crossed manner, the side edge of each first fixing plate is provided with a plurality of nuts, the first fixing plates and the first reinforcing rods are arranged in a poured rectangular concrete block, the concrete block is matched with the accommodating cavities on two sides of the concrete block, the accommodating cavity comprises a second fixing plate arranged in the accommodating cavity, the cross section of the second fixing plate is C-shaped, the bent parts of the second fixing plate extend into the side walls of the accommodating cavity, the second fixing plate is provided with screw holes, and the side walls of the accommodating cavity are provided with through holes coaxial with the screw, the ladder board body is equipped with the fixing bolt who passes through-hole, screw and threaded connection in proper order in the nut, the second fixed plate is connected in the third fixed plate through a plurality of groups second stiffener, and every group second stiffener is equipped with two and cross arrangement, the third fixed plate vertically is equipped with a plurality of strengthening ribs that extend to the ladder board body is inside, and the line between every four adjacent strengthening ribs becomes the rectangle, it is equipped with a plurality of cast iron gaskets to hold between chamber and the concrete piece.
The first fixing plate and the second fixing plate are steel plates, and the first reinforcing rod, the second reinforcing rod and the reinforcing ribs are reinforcing steel bars.
The first reinforcing rod is provided with 2-3 groups, and the second reinforcing rod is provided with 4-6 groups.
The side edge of the first fixing plate is welded with an end plate vertical to the first fixing plate, and the nut is welded and fixed on the surface of the end plate.
And steel wires for fixing the ladder board body are wound between the reinforcing ribs.
The axial direction of the reinforcing ribs is parallel to the axial direction of the ladder board body.
Has the advantages that: the utility model discloses a stair board concrete prefab convenient to assembly is fixed in the intracavity that holds of stair board body through fixing bolt with the concrete piece, can increase the length of stair board as required, the concrete piece, hold the intracavity and be equipped with and be used for reinforced (rfd) fixed plate, stiffener for the whole rigidity of overlap joint stair board body and coupling assembling together strengthens greatly, and the convenient removal of stair board body that can splice has reduced the cost that transportation and stack were deposited.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection between the connection assembly and the accommodating chamber of the present invention;
fig. 3 is an internal schematic view of the connection assembly of the present invention;
fig. 4 is an internal schematic view of the accommodating chamber of the present invention.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
As shown in figures 1 to 4, the stair board concrete prefabricated part convenient for assembly comprises a plurality of stair board bodies 1, the stair board bodies 1 are fixedly formed through a connecting assembly 2, the end parts of the stair board bodies 1 are provided with accommodating cavities 3 for fixing the connecting assembly 2, the connecting assembly 2 comprises two first fixing plates 4 which are arranged in parallel, a plurality of groups of first reinforcing rods 5 are arranged between the first fixing plates 4, two first reinforcing rods 5 are arranged in each group and are arranged in a crossed manner, the side edges of the first fixing plates 4 are provided with a plurality of nuts 6, the first fixing plates 4 and the first reinforcing rods 5 are poured in cuboid concrete blocks 7, the concrete blocks 7 are matched with the accommodating cavities 3 on two sides of the concrete blocks, the accommodating cavities 3 comprise second fixing plates 8 arranged inside the accommodating cavities 3, the cross sections of the second fixing plates 8 are C-shaped, the bent parts of the second fixing plates extend into the side walls of the accommodating cavities 3, the second fixing plates 8 are provided with screw holes, it is equipped with the through-hole coaxial with screw 13 to hold 3 lateral walls in chamber, step body 1 is equipped with and passes the through-hole in proper order, screw 13 and threaded connection are in the fixing bolt 9 of nut 6, second fixed plate 8 is connected in third fixed plate 11 through a plurality of groups second stiffener 10, every group second stiffener 10 is equipped with two and cross arrangement, third fixed plate 11 vertically is equipped with a plurality of strengthening ribs 12 that extend to step body 1 inside, line between every four adjacent strengthening ribs 12 becomes the rectangle, it is equipped with a plurality of cast iron gaskets to hold between chamber 3 and the concrete piece 7.
First fixed plate 4, second fixed plate 8 are the steel sheet, and first stiffener 5, second stiffener 10, strengthening rib 12 are the reinforcing bar.
The first reinforcing rods 5 are provided with 2-3 groups, and the second reinforcing rods 10 are provided with 4-6 groups.
The side edge of the first fixing plate 4 is welded with an end plate vertical to the first fixing plate, and the nut 6 is welded and fixed on the surface of the end plate.
And steel wires for fixing the ladder board body 1 are wound among the reinforcing ribs 12.
The axial direction of the reinforcing ribs 12 is parallel to the axial direction of the step body 1.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a stair board concrete prefabricated part convenient to assembly which characterized in that: the concrete block is matched with the accommodating cavities on two sides of the concrete block, the accommodating cavities comprise a second fixing plate arranged inside the accommodating cavities, the cross section of the second fixing plate is C-shaped, the bending part of the second fixing plate extends into the accommodating cavity side wall, the second fixing plate is provided with a screw hole, the accommodating cavity side wall is provided with a through hole coaxial with the screw hole, and the ladder plate body is provided with a through hole, a plurality of cross-sectional grooves and a plurality of cross-sectional grooves which are sequentially penetrated through the through hole, Screw and threaded connection are in the fixing bolt of nut, the second fixed plate is connected in the third fixed plate through a plurality of groups of second stiffeners, and every group of second stiffeners is equipped with two and cross arrangement, the third fixed plate vertically is equipped with a plurality of strengthening ribs that extend to the step body inside, and the line between every four adjacent strengthening ribs becomes the rectangle, it is equipped with a plurality of cast iron gaskets to hold between chamber and the concrete piece.
2. The stair tread concrete preform facilitating assembly of claim 1, wherein: the first fixing plate and the second fixing plate are steel plates, and the first reinforcing rod, the second reinforcing rod and the reinforcing ribs are reinforcing steel bars.
3. The stair tread concrete preform facilitating assembly of claim 1, wherein: the first reinforcing rod is provided with 2-3 groups, and the second reinforcing rod is provided with 4-6 groups.
4. The stair tread concrete preform facilitating assembly of claim 1, wherein: the side edge of the first fixing plate is welded with an end plate vertical to the first fixing plate, and the nut is welded and fixed on the surface of the end plate.
5. The stair tread concrete preform facilitating assembly of claim 1, wherein: and steel wires for fixing the ladder board body are wound between the reinforcing ribs.
6. The stair tread concrete preform facilitating assembly of claim 1, wherein: the axial direction of the reinforcing ribs is parallel to the axial direction of the ladder board body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595378.9U CN210082044U (en) | 2019-04-28 | 2019-04-28 | Stair board concrete prefabricated part convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595378.9U CN210082044U (en) | 2019-04-28 | 2019-04-28 | Stair board concrete prefabricated part convenient to assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210082044U true CN210082044U (en) | 2020-02-18 |
Family
ID=69476269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595378.9U Expired - Fee Related CN210082044U (en) | 2019-04-28 | 2019-04-28 | Stair board concrete prefabricated part convenient to assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210082044U (en) |
-
2019
- 2019-04-28 CN CN201920595378.9U patent/CN210082044U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |