CN209837518U

CN209837518U - Concrete prefabricated staircase

Info

Publication number: CN209837518U
Application number: CN201822097308.9U
Authority: CN
Inventors: 颜章扬; 颜仁将; 颜章良; 颜章伟
Original assignee: Jiangsu Hongren Housing Industry Technology Development Co Ltd
Current assignee: Jiangsu Hongren Housing Industry Technology Development Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-12-24
Anticipated expiration: 2028-12-14

Abstract

The utility model discloses a concrete prefabricated staircase, which comprises a board body and a triangular block body, wherein the upper end of the board body is provided with an upper connecting plate, the lower end of the plate body is provided with a lower connecting plate, the lower side of the plate body is provided with a reinforcing frame, a crossed reinforcing plate is arranged in the reinforcing frame, the lower end of the upper connecting plate is provided with a first groove, the lower end of the lower connecting plate is provided with a second groove, the upper side of the plate body is provided with a trapezoidal body, the lower side of the triangular block body is provided with a third groove matched with the trapezoidal body, the triangular block body and the plate body are connected to form the triangular plate, the triangular block body and the plate body are transported in a classified mode, the space is saved, the transportation efficiency is improved, when installing, first recess and second recess make the plate body fixed more stable to make the plate body structure more stable through being equipped with strengthening frame and alternately reinforcing plate, be equipped with circular cell body and be convenient for install the railing.

Description

Concrete prefabricated staircase

Technical Field

The utility model relates to a building structural member field specifically indicates a precast concrete stair.

Background

Precast concrete refers to concrete from which concrete products are made in a factory or on site. Precast concrete is cast elsewhere than at the final construction site. The precast concrete with different sizes and shapes can adopt fibers to enhance the reliability and the toughness after cracking.

When the transportation volume is great, traditional precast concrete stair all are integrated into one piece, can occupy a large amount of controls, reduce the efficiency of transportation, when installing precast concrete stair, traditional precast concrete stair has reduced the efficiency of work because relatively heavy difficult to install.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a precast concrete stair.

In order to solve the technical problem, the utility model provides a technical scheme is a precast concrete stair: the plate comprises a plate body and a triangular block body, wherein an upper connecting plate is arranged at the upper end of the plate body, a lower connecting plate is arranged at the lower end of the plate body, the plane where the upper connecting plate is arranged is parallel to the plane where the lower connecting plate is arranged, a reinforcing frame is arranged at the lower side of the plate body, crossed reinforcing plates are arranged in the reinforcing frame, the reinforcing frame is connected with the lower side of the plate body, first grooves are arranged at the lower end of the upper connecting plate, the number of the first grooves is not less than two, second grooves are arranged at the lower end of the lower connecting plate, the number of the second grooves is not less than two, a trapezoidal body is arranged at the upper side of the plate body, the extending direction of the trapezoidal body is perpendicular to the extending direction of the plate body, the number of the trapezoidal body is not less than three, the planes which are perpendicular to the upper face and the adjacent face are arranged at the top, and the planes which are perpendicular to, the trapezoidal body is last with the face and the plate body contact of adjacent two faces all out of plumb, the downside of triangle block is equipped with trapezoidal complex third recess, be equipped with the through-hole that runs through triangle block both sides on the triangle block, the bilateral symmetry of triangle block is equipped with circular cell body.

As an improvement, the length of the trapezoid body is lower than the width of the plate body, and the length of the triangular block body is equal to that of the trapezoid body.

As an improvement, the distance between the surface with the smallest width of the adjacent trapezoid body and the joint of the plate bodies is equal to the width of the surface with the widest width on the triangular block body.

Compared with the prior art, the utility model the advantage lie in: form by connecting plate body and triangle block, classify the transportation with triangle block and plate body, save space, provide the efficiency of transportation, when installing, first recess and second recess make the plate body by fixed more stable to make plate body structure more stable through being equipped with braced frame and alternately reinforcing plate, be equipped with circular cell body and be convenient for install the railing, when installing, install the plate body earlier, install the triangle block again, the installation of being more convenient for.

Drawings

Fig. 1 is the first structure schematic diagram of the concrete prefabricated staircase of the utility model.

Fig. 2 is the utility model relates to a second structure schematic diagram of precast concrete stair.

Fig. 3 is the utility model relates to a precast concrete stair's triangle block schematic diagram.

Fig. 4 is the utility model discloses a schematic view under the user state of precast concrete stair.

As shown in the figure: 1. plate body, 2, triangular block body, 3, upper junction plate, 4, lower junction plate, 5, reinforcing frame, 6, alternately reinforcing plate, 7, first recess, 8, second recess, 9, the trapezoidal body, 10, third recess, 11, through-hole, 12, circular cell body.

Detailed Description

The concrete prefabricated staircase of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a precast concrete stair comprises a plate body 1 and a triangular block body 2, wherein an upper connecting plate 3 is arranged at the upper end of the plate body 1, a lower connecting plate 4 is arranged at the lower end of the plate body 1, the plane of the upper connecting plate 3 is parallel to the plane of the lower connecting plate 4, a reinforcing frame 5 is arranged at the lower side of the plate body 1, crossed reinforcing plates 6 are arranged in the reinforcing frame 5, the reinforcing frame 5 is connected with the lower side of the plate body 1, first grooves 7 are arranged at the lower end of the upper connecting plate 3, the number of the first grooves 7 is not less than two, second grooves 8 are arranged at the lower end of the lower connecting plate 4, the number of the second grooves 8 is not less than two, a trapezoidal body 9 is arranged at the upper side of the plate body 1, the extending direction of the trapezoidal body 9 is perpendicular to the extending direction of the plate body 1, and the, the extension direction of plate body 1 is arranged along to trapezoidal body 9, trapezoidal body 9 goes up and two adjacent all vertically faces are located the top, trapezoidal body 9 goes up and two adjacent all vertically faces and the plane parallel at upper junction plate 3 place, trapezoidal body 9 goes up and two adjacent all non-perpendicular faces of face and plate body 1 contact, the downside of triangle block 2 is equipped with and trapezoidal body 9 complex third recess 10, be equipped with the through-hole 11 that runs through triangle block 2 both sides on the triangle block 2, the bilateral symmetry of triangle block 2 is equipped with circular cell body 12.

The length of the trapezoid body 9 is less than the width of the plate body 1, and the length of the triangular block body 2 is equal to that of the trapezoid body 9.

The distance between the surface with the smallest width of the adjacent trapezoidal body 9 and the connecting part of the plate body 1 is equal to the width of the surface with the widest width on the triangular block body 2.

The utility model discloses when concrete implementation, form by connecting plate body 1 and triangle block 2, carry out categorised transportation with triangle block 1 and plate body 2, a plurality of plate bodies 2 are placed alone, a plurality of triangle blocks 1 are placed alone, save space, the efficiency of transportation is provided, when installing, first recess 7 and second recess 8 make plate body 1 fixed more stable, and make plate body 1 structure more stable through being equipped with braced frame 5 and alternately 6 messenger's plate bodies, be equipped with circular cell body 12 and be convenient for install the railing, be equipped with the weight that the through-hole alleviateed triangle block 2.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a precast concrete stair which characterized in that: the plate comprises a plate body (1) and a triangular block body (2), wherein an upper connecting plate (3) is arranged at the upper end of the plate body (1), a lower connecting plate (4) is arranged at the lower end of the plate body (1), the plane where the upper connecting plate (3) is arranged is parallel to the plane where the lower connecting plate (4) is arranged, a reinforcing frame (5) is arranged at the lower side of the plate body (1), crossed reinforcing plates (6) are arranged in the reinforcing frame (5), the reinforcing frame (5) is connected with the lower side of the plate body (1), a first groove (7) is arranged at the lower end of the upper connecting plate (3), the number of the first grooves (7) is not less than two, a second groove (8) is arranged at the lower end of the lower connecting plate (4), the number of the second grooves (8) is not less than two, a trapezoidal body (9) is arranged at the upper side of the plate body (1), the extending direction of the trapezoidal body (, the quantity of trapezoidal body (9) is not less than three, the extending direction of plate body (1) is arranged along trapezoidal body (9), on trapezoidal body (9) and adjacent two all vertically faces be located the top, on trapezoidal body (9) and adjacent two all vertically faces and the plane parallel at upper junction plate (3) place, on trapezoidal body (9) and adjacent two all out of plumb faces and plate body (1) contact, the downside of triangle block (2) is equipped with and trapezoidal body (9) complex third recess (10), be equipped with through-hole (11) that run through triangle block (2) both sides on triangle block (2), the bilateral symmetry of triangle block (2) is equipped with circular cell body (12).

2. The precast concrete stair of claim 1, wherein: the length of the trapezoid body (9) is less than the width of the plate body (1), and the length of the triangular block body (2) is equal to that of the trapezoid body (9).

3. The precast concrete stair of claim 1, wherein: the distance between the minimum width surface of the adjacent trapezoidal bodies (9) and the connection position of the plate body (1) is equal to the width of the widest width surface of the triangular block body (2).