CN213174523U

CN213174523U - Prefabricated assembled stair

Info

Publication number: CN213174523U
Application number: CN202021630569.3U
Authority: CN
Inventors: 刘子逸; 黎燕钗
Original assignee: Henan University
Current assignee: Henan University
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-11
Anticipated expiration: 2030-08-07

Abstract

The utility model relates to the technical field of building, and a prefabricated assembled stair is disclosed, including a plurality of rest platform, every the constant head tank has all been seted up to the rest platform upper surface, the bearing plate has been placed on the rest platform, a plurality of locating holes have been seted up to the upper surface of bearing plate, and the bearing plate upper surface has seted up a plurality of holes of stepping down, the locating hole is interior to be inserted and is equipped with the shop bolt, and sets up in the shop bolt inserts the constant head tank, a plurality of stair block group spares have been placed on the bearing plate, the lower extreme of stair block group spare runs through the hole setting of stepping down. The utility model discloses, become into bearing plate and stair block group spare through setting up the stair split, make stair bearing and stair block separately pour, reduced the degree of difficulty of stair processing, and because the volume and the quality of every piece reduce for the stair is whole after the stair split becomes the polylith by a wide margin to make things convenient for the transportation, deposit temporarily and hoist and mount etc. through setting up inserted bar, spacing hole and the fixed stair block of dead lever combination, make things convenient for the fixed of stair block.

Description

Prefabricated assembled stair

Technical Field

The utility model relates to a building technical field especially relates to a prefabricated assembled stair.

Background

The prefabricated staircase is a concrete staircase prefabricated in a prefabricating factory or on site and replaces a cast-in-place concrete staircase with complicated construction. During construction, the prefabricated staircase only needs to be hoisted to a specified position, the construction speed on site is greatly improved, but the existing prefabricated staircase has some defects.

The prefabricated staircase is generally poured integrally, and is large in overall size, complex to process, not suitable for industrial mass production, low in standardization degree, difficult to obtain refined guarantee on the quality of the prefabricated staircase, high in transportation, temporary storage and hoisting difficulty, high in requirement on a site and high in requirement on hoisting equipment.

To this end, we propose a prefabricated staircase that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a prefabricated assembled stair.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a prefabricated assembled stair comprises a plurality of rest platforms, wherein a positioning groove is formed in the upper surface of each rest platform, a bearing plate is placed on each rest platform, a plurality of positioning holes are formed in the upper surface of each bearing plate, a plurality of abdicating holes are formed in the upper surface of each bearing plate, positioning pins are inserted into the positioning holes and are inserted into the positioning grooves, a plurality of stair block assemblies are placed on each bearing plate, the lower ends of the stair block assemblies penetrate through the abdicating holes, a plurality of fixing rods are arranged on the lower surface of each bearing plate and penetrate through the stair block assemblies;

the stair block assembly comprises a concrete block and a pre-buried block, the pre-buried block is located in the concrete block, an inserted bar is fixedly connected to one side of the pre-buried block, the inserted bar penetrates through the hole of stepping down and is arranged, a limit hole is formed in the side wall of the inserted bar, and a fixing rod penetrates through the limit hole.

Preferably, the upper surface of the stair block component is fixed with a ceramic tile, and the upper surface of the ceramic tile is provided with an anti-slip groove.

Preferably, the upper surface of the stair block component is provided with an abdicating groove.

Preferably, a pressing plate is fixed on the resting platform and is arranged above the bearing plate.

Preferably, the bearing plate and the side wall of the stair block assembly are painted with lime, and the bottom of the bearing plate is pasted with a decorative plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through setting up and splitting into bearing plate and stair block group spare to the stair, make stair bearing and stair block separately pour, reduced the difficulty of stair processing, and because the volume and the quality of each piece reduce greatly for the stair is whole after the stair is split into the polylith, thereby facilitated transportation, temporarily deposited and hoist and mount etc. through setting up inserted bar, spacing hole and dead lever combination fixed stair block, make things convenient for the fixed of stair block;

2. the utility model discloses, through setting up the ceramic tile, and the upper surface of ceramic tile has seted up anti-skidding groove, thereby prevent stair tread because long-time and damage, and prevent that the pedestrian from slipping on stair, through setting up the groove of stepping down at stair block group spare upper surface, facilitate for later stage dress rail guard, through setting up the clamp plate, can adjust the rest platform height when stair height and stair block group spare are unmatched, and the clamp plate pushes down the dowel, can assist the fixed of bearing plate, through whitewashing the decorative board of lime layer and setting, increase stair's aesthetic property.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a prefabricated staircase according to the present invention;

fig. 2 is a schematic structural view of a bearing plate of the prefabricated staircase according to the present invention;

fig. 3 is an enlarged schematic structural view of the prefabricated assembled staircase shown in fig. 1A according to the present invention;

fig. 4 is a schematic sectional view of a stair block assembly of the prefabricated assembled stair provided by the present invention;

fig. 5 is the utility model provides a front view structure schematic diagram is enlargied to pre-buried piece and inserted bar of prefabricated assembled stair.

In the figure: 1. a resting platform; 2. positioning a groove; 3. a bearing plate; 4. positioning holes; 5. a hole of abdication; 6. positioning a pin; 7. a stair block assembly; 8. fixing the rod; 9. inserting a rod; 10. a limiting hole; 11. ceramic tiles; 12. pressing a plate; 13. a decorative plate; 71. a concrete block; 72. and (6) embedding blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, a prefabricated staircase comprises a plurality of resting platforms 1, wherein a positioning groove 2 is arranged on the upper surface of each resting platform 1, a pressing plate 12 is fixed on each resting platform 1, the pressing plate 12 is arranged above a bearing plate 3, the height of each resting platform 1 can be adjusted when the height of the staircase is not matched with that of each stair block assembly 7 by arranging the pressing plate 12, the pressing plate 12 presses a positioning pin 6 to assist in fixing the bearing plate 3, the bearing plate 3 is placed on each resting platform 1, a plurality of positioning holes 4 are formed in the upper surface of each bearing plate 3, a plurality of abdicating holes 5 are formed in the upper surface of each bearing plate 3, the positioning pins 6 are inserted into the positioning grooves 2 and arranged, a plurality of stair block assemblies 7 are placed on each bearing plate 3, tiles 11 are fixed on the upper surfaces of the stair block assemblies 7, and anti-skid grooves are formed in the upper surfaces of the tiles 11, by arranging the ceramic tiles 11 and the anti-skidding grooves, the stair treads are prevented from being damaged due to long-time treading, pedestrians are prevented from slipping on the stairs, the upper surface of the stair block assembly 7 is provided with the abdicating groove, convenience is brought to later stage installation of the protective guard by arranging the abdicating groove, the lower end of the stair block assembly 7 penetrates through the abdicating hole 5, the lower surface of the bearing plate 3 is provided with a plurality of fixing rods 8, and the fixing rods 8 penetrate through the stair block assembly 7;

stair block subassembly 7 includes concrete block 71 and buried block 72, buried block 72 is located and sets up in concrete block 71, and one side fixedly connected with inserted bar 9 of buried block 72, inserted bar 9 runs through the hole 5 setting of stepping down, spacing hole 10 has been seted up to the lateral wall of inserted bar 9, and dead lever 8 runs through spacing hole 10 setting, bearing plate 3 has whitewashed the lime layer with stair block subassembly 7's lateral wall, and bearing plate 3's bottom is posted and is had decorative board 13, whitewash lime layer and decorative board 13 through setting up, increase the aesthetic property of stair.

In the utility model, a bearing plate 3 and a stair block component 7 are transported to a building site after pouring, the bearing plate 3 is hung on a rest platform 1 by a crane, a positioning hole 4 on the bearing plate 3 is aligned to a positioning groove 2 reserved on the rest platform 1, then a positioning pin 6 is inserted for fixing, then the stair block component 7 is hung on the bearing plate 3 by a crane, an inserted bar 9 on the stair block component 7 is aligned to a abdicating hole 5 on the bearing plate 3, the stair block component 7 is slowly put down, the inserted bar 9 is inserted into the abdicating hole 5, a fixing bar 8 is inserted into a limiting hole 10 of the inserted bar 9, thereby fixing the stair block component 7, after the stair block component 7 is fixed, a top board 12 is poured on the rest platform 1 according to the height of the last layer of steps, the steps of each section are guaranteed to be equal in height, a ceramic tile 11 is pasted on the upper surface of the stair block component 7, a lime layer is brushed on the side wall of the stair block component 7 and the bearing plate 3, finally, a decorative plate 13 is attached to the bottom surface of the bearing plate 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The prefabricated assembled stair comprises a plurality of rest platforms (1), wherein a positioning groove (2) is formed in the upper surface of each rest platform (1), and is characterized in that a bearing plate (3) is placed on each rest platform (1), a plurality of positioning holes (4) are formed in the upper surface of each bearing plate (3), a plurality of abdicating holes (5) are formed in the upper surface of each bearing plate (3), positioning pins (6) are inserted into the positioning holes (4), the positioning pins (6) are inserted into the positioning grooves (2) for arrangement, a plurality of stair block assemblies (7) are placed on each bearing plate (3), the lower ends of the stair block assemblies (7) penetrate through the abdicating holes (5), a plurality of fixing rods (8) are arranged on the lower surface of each bearing plate (3), and the fixing rods (8) penetrate through the stair block assemblies (7);

stair block subassembly (7) include concrete block (71) and buried block (72), buried block (72) are located and set up in concrete block (71), and one side fixedly connected with inserted bar (9) of buried block (72), inserted bar (9) run through hole (5) of stepping down and set up, spacing hole (10) have been seted up to the lateral wall of inserted bar (9), and dead lever (8) run through spacing hole (10) and set up.

2. The prefabricated staircase according to claim 1, wherein the upper surface of the staircase block assembly (7) is fixed with tiles (11), and the upper surface of the tiles (11) is provided with anti-skid grooves.

3. The prefabricated staircase of claim 1, wherein the staircase block elements (7) are provided with an abdicating groove on their upper surface.

4. Prefabricated staircase according to claim 1, characterised in that a pressure plate (12) is fixed to the landing (4), and that the pressure plate (12) is arranged above the bearing plate (3).

5. A prefabricated staircase according to claim 1, characterised in that the bearing plates (3) and the side walls of the staircase block assemblies (7) are painted with a layer of lime and that the bottom of the bearing plates (3) are provided with a decorative plate (13).