CN220814618U - Prefabricated stair tread convenient to overlap joint connects - Google Patents

Abstract

The utility model discloses a prefabricated stair plate convenient for lap joint, which comprises a prefabricated stair plate body, reinforcing steel bars, steps and a floor slab, wherein the reinforcing steel bars are fixed in the prefabricated stair plate body, a combined hole is formed in the prefabricated stair plate body, bonding blocks are fixed on the inner wall of the combined hole, the steps are integrally fixed at the outer end of the prefabricated stair plate body, anti-skid grooves are formed in the top ends of the steps, the diameter size of a combined column is equal to the shortest distance between the bonding blocks at the left end of the inner part of the combined hole and the bonding blocks at the right end of the inner part of the combined hole, the longitudinal section of the weight-reducing hole is of a triangular structure, and the weight-reducing holes are in one-to-one correspondence with the steps. This prefabricated staircase board convenient to overlap joint, the space and the combination post block that make up of combination hole and laminating piece are connected, make things convenient for prefabricated staircase board body and floor overlap joint, and the setting of laminating piece enlarges the contact surface of concrete and prefabricated staircase board, improves stability, ensures the intensity of prefabricated staircase board when lightening weight.

Description

Prefabricated stair tread convenient to overlap joint connects

Technical Field

The utility model relates to the technical field of prefabricated stair plates, in particular to a prefabricated stair plate convenient to lap joint.

Background

The prefabricated stair plates are installed on the floor slabs in the building, so that the construction time can be shortened, the building is quick, the existing prefabricated stair plates are light in weight, the problems of low strength and heavy weight of the existing technology are solved, and the problems of low strength, heavy weight and poor use safety of the existing technology are solved by arranging the upper reinforced beams, the lower reinforced beams, stirrups, horizontal precast concrete plates, vertical precast concrete plates, steel angle beams and lightening holes in the Chinese patent with the authorized bulletin number of CN 209723438U;

But current prefabricated staircase board, inconvenient with prefabricated staircase board and floor overlap joint, through setting up the lightening hole, but prefabricated staircase board intensity is difficult to ensure, consequently, we propose a prefabricated staircase board convenient to overlap joint to solve the problem that proposes in the aforesaid.

Disclosure of utility model

The utility model aims to provide a prefabricated stair plate convenient for lap joint, the space formed by a combination hole and a joint block is clamped and connected with a combination column, so that the prefabricated stair plate body is convenient to lap joint with a floor slab, the joint block is arranged to enlarge the contact surface between concrete and the prefabricated stair plate, the stability is improved, the weight is reduced, and the strength of the prefabricated stair plate is ensured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated staircase board convenient to overlap joint, includes prefabricated staircase board body, reinforcing bar, marks time and floor, its characterized in that:

The novel stair tread comprises a stair tread body, wherein steel bars are fixed in the stair tread body, a combined hole is formed in the stair tread body, an attaching block is fixed on the inner wall of the combined hole, a hanging hook ring is fixed on the top end of the attaching block, a step is integrally fixed at the outer end of the stair tread body, an anti-skid groove is formed in the top end of the step, a lightening hole is formed in the stair tread body, and a reinforced wooden frame is fixed in the lightening hole;

the front end and the rear end of the prefabricated stair board body are provided with mounting holes;

And a combined column is fixed on the upper surface of the floor slab.

Preferably, the combination holes are symmetrically arranged about a transverse center line of the prefabricated staircase board body.

Preferably, the left and right inner walls of the combined hole are both fixed with a fitting block.

Preferably, the diameter of the combined column is equal to the shortest distance between the fitting block at the left end inside the combined hole and the fitting block at the right end inside the combined hole.

Preferably, the longitudinal section of the lightening hole is in a triangular structure, and the lightening holes are arranged in one-to-one correspondence with the steps.

Compared with the prior art, the utility model has the beneficial effects that: the prefabricated stair plate convenient to lap joint is characterized in that the space formed by the combined holes and the laminating blocks is clamped and connected with the combined column, so that the prefabricated stair plate body and the floor slab are conveniently lapped, the contact surface between the concrete and the prefabricated stair plate is enlarged due to the arrangement of the laminating blocks, the stability is improved, and the strength of the prefabricated stair plate is ensured while the weight is reduced;

1. The combined holes, the attaching blocks and the combined columns are arranged, the space formed by the combined holes and the attaching blocks is connected with the combined columns in a clamping mode, so that the prefabricated stair board body is conveniently overlapped with the floor slab, and when retarder soil is poured into the combined holes, the contact surface between the concrete and the prefabricated stair board is enlarged due to the arrangement of the attaching blocks, and the stability is improved;

2. The weight reducing holes are formed in the inner side of the weight reducing holes, the reinforcing wood frames are arranged in the weight reducing holes, and the strength of the prefabricated staircase is ensured while the weight is reduced.

Drawings

FIG. 1 is a schematic view of the front cut-away structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

Fig. 4 is a schematic view of the overall structure of the reinforced wood frame of the present utility model.

In the figure: 1. prefabricating a stair tread body; 2. reinforcing steel bars; 3. a combination hole; 4. a bonding block; 5. a hanging shackle; 6. stepping; 7. an anti-skid groove; 8. a lightening hole; 9. reinforcing the wooden frame; 10. a mounting hole; 11. a floor slab; 12. and (5) assembling a column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a prefabricated staircase board convenient to overlap joint, including prefabricated staircase board body 1, reinforcing bar 2, combination hole 3, laminating piece 4, lifting hook ring 5, step 6, anti-skidding groove 7, lightening hole 8, strengthen wooden frame 9, mounting hole 10, floor 11 and combination post 12, including prefabricated staircase board body 1, reinforcing bar 2, step 6 and floor 11, as shown in fig. 1, 2 and 3, the inside of prefabricated staircase board body 1 is fixed with reinforcing bar 2, and the inside of prefabricated staircase board body 1 has seted up combination hole 3, the inner wall of combination hole 3 is fixed with laminating piece 4, and the top of laminating piece 4 is fixed with lifting hook ring 5, the left and right sides inner wall of combination hole 3 all is fixed with laminating piece 4, and the diameter size of combination post 12 equals the shortest distance between laminating piece 4 of the inside left end of combination hole 3 and the inside right-hand member of combination hole 4, the outer end of prefabricated staircase board body 1 is integrally fixed with step 6, and the top of 6 has seted up anti-skidding groove 7, the inside of prefabricated staircase board body 1 has been seted up longitudinal section and has the lightening hole 8 that is triangle-shaped structure, and the side-by-side combination post 1 is provided with on the side of the prefabricated post 1, the front and back of the combination post 1 is set up on the side of the combination hole 11;

When the prefabricated stair plate body 1 is hoisted, a crane in hoisting equipment is hung on the lifting hook ring 5, the prefabricated stair plate body 1 is hoisted through the hoisting equipment, the prefabricated stair plate body 1 is moved to the installation position of the prefabricated stair plate body 1, and the prefabricated stair plate body 1 is positioned right above the combined column 12;

aligning the combination hole 3 with the combination column 12, then clamping the combination column 12 into the combination hole 3, attaching the outer side surface of the combination column 12 to the inner wall of the attaching block 4, pouring concrete into the combination hole 3 after the prefabricated staircase body 1 and the floor slab 11 are well overlapped, connecting the prefabricated staircase body 1 and the combination column 12, and arranging the attaching block 4 to enlarge the contact surface between the concrete and the prefabricated staircase;

The arrangement of the lightening holes 8 lightens the weight of the prefabricated staircase body 1, as shown in fig. 1 and 4, since the reinforcing wooden frame 9 is fixed inside the lightening holes 8, the strength of the prefabricated staircase body 1 is reinforced by the reinforcing wooden frame 9, and the series of operations of the prefabricated staircase convenient for lap joint is completed above, and what is not described in detail in the present specification belongs to the prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a prefabricated staircase board convenient to overlap joint, includes prefabricated staircase board body (1), reinforcing bar (2), marks time (6) and floor (11), its characterized in that:

The novel stair tread comprises a stair tread body (1), wherein a steel bar (2) is fixed in the stair tread body (1), a combined hole (3) is formed in the stair tread body (1), a joint block (4) is fixed on the inner wall of the combined hole (3), a lifting hook ring (5) is fixed on the top end of the joint block (4), a tread (6) is integrally fixed on the outer end of the stair tread body (1), an anti-skid groove (7) is formed in the top end of the tread (6), a weight-reducing hole (8) is formed in the stair tread body (1), and a reinforced wooden frame (9) is fixed in the weight-reducing hole (8);

the front end and the rear end of the prefabricated stair board body (1) are provided with mounting holes (10);

The upper surface of the floor slab (11) is fixedly provided with a combined column (12).

2. A prefabricated staircase panel for facilitating lap joints according to claim 1, characterized in that: the combined holes (3) are symmetrically arranged about the transverse center line of the prefabricated stair board body (1).

3. A prefabricated staircase panel for facilitating lap joints according to claim 1, characterized in that: the left and right inner walls of the combined hole (3) are respectively fixed with a fitting block (4).

4. A prefabricated staircase panel for facilitating lap joints according to claim 1, characterized in that: the diameter size of the combined column (12) is equal to the shortest distance between the attaching block (4) at the left end inside the combined hole (3) and the attaching block (4) at the right end inside the combined hole (3).

5. A prefabricated staircase panel for facilitating lap joints according to claim 1, characterized in that: the longitudinal section of the lightening hole (8) is of a triangular structure, and the lightening holes (8) are arranged in one-to-one correspondence with the steps (6).