CN212271442U

CN212271442U - Prefabricated staircase convenient to installation

Info

Publication number: CN212271442U
Application number: CN202020649282.9U
Authority: CN
Inventors: 楼红明
Original assignee: Ningbo Haida Yuanda Construction Industry Co ltd
Current assignee: Ningbo Haida Yuanda Construction Industry Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-01
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to the technical field of building construction, in particular to a prefabricated staircase convenient for installation, which comprises a rest platform and a bottom plate, wherein the outline of the bottom plate is arranged in a rectangular shape, the inner angle between the bottom plate and the rest platform is 30 degrees, the rest platform is fixedly connected at the top end of the bottom plate, the cross section dimension of the rest platform is smaller than that of the bottom plate, the bottom plate and the rest platform are both poured by concrete materials, the bottom end of the bottom plate is provided with a mounting groove, the cross section dimension of the mounting groove is smaller than that of the bottom plate, the mounting groove is uniformly arranged in a straight line shape, the top end of the mounting groove is riveted with a stair board, the distance between the stair boards is consistent with that of the mounting groove, one end of the rest platform far away from the stair board is fixedly connected with a fixed block, concrete can be poured at each staircase joint of the prefabricated staircase, the connection does not need to be made by means of an external mechanical connection.

Description

Prefabricated staircase convenient to installation

Technical Field

The utility model relates to a construction technical field especially relates to a prefabricated staircase convenient to installation.

Background

Precast concrete is cast elsewhere than at the final construction site. In recent years, the precast concrete has low cost, excellent performance and becomes a new favorite in the construction industry, and with the rapid development of economy, various industries are continuously promoted to be new, so that the purposes of saving energy, reducing pollution and improving production efficiency are achieved, the traditional production mode is continuously broken through, and the progress is made to a standardized structure system. The building industry in China is still a traditional industry which is labor-intensive and has relatively laggard building modes, particularly, a high-energy-consumption, high-pollution, low-efficiency and extensive traditional building mode in the whole production process of building construction is universal, is not suitable for the current requirements of novel urbanization, industrialization and informatization development, and has a larger gap compared with developed countries.

Most all are by stair and bottom plate structure as an organic whole and have the concrete once only to pour the completion among the current prefabricated stair, because of the prefabricated stair of hoist and mount in-process integral type is heavier, and is more troublesome in hoist and mount in-process, because of the concrete long-term exposes in the air, uses the stair step to produce for a long time and plays to go out the deformation, can not dismantle the change.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing the prefabricated staircase convenient to install.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including rest platform and bottom plate, the appearance profile of bottom plate is the rectangle setting, and the bottom plate is 30 degrees settings with rest platform's interior angle, rest platform fixed connection is on the top of bottom plate, and rest platform's cross sectional dimension is less than the cross sectional dimension of bottom plate, bottom plate and rest platform pour by the concrete material and form, the mounting groove has been seted up to the bottom of bottom plate, the cross sectional dimension of mounting groove is less than the bottom plate, the mounting groove is the even setting of style of calligraphy, the top riveting of mounting groove has the stair board, the interval of stair board is unanimous with the interval of mounting groove, the one end fixedly connected with fixed block of stair board is kept away from to rest platform, the cross sectional dimension of fixed block is less than rest platform's cross sectional dimension.

Preferably, the top end of the rest platform is provided with a hoisting hole, the cross-sectional dimension of the hoisting hole is smaller than that of the rest platform, one end of the bottom plate, far away from the rest platform, is fixedly connected with a limiting plate, the cross-sectional dimension of the limiting plate is smaller than that of the rest platform, and the bottom end of the limiting plate is provided with the hoisting hole.

Preferably, the inside fixedly connected with strengthening rib of bottom plate, the length of strengthening rib equals with the width of bottom plate, the skin weld of strengthening rib has vertical muscle, vertical muscle runs through the inside of rest platform and fixed block, and the length that vertical muscle exposes the fixed block is 15 centimetres.

Preferably, the skin weld of strengthening rib and vertical muscle has the splice bar, the cross sectional dimension of splice bar is less than the cross sectional dimension of vertical muscle, and the splice bar runs through the inside of limiting plate, and the length that the splice bar exposes the limiting plate is 12 centimetres, the bottom of fixed block is provided with attaches the muscle, the cross sectional dimension that attaches the muscle is less than the cross sectional dimension of splice bar.

Preferably, the stair board is including the mounting panel, the appearance profile of mounting panel is right triangle, and the mounting panel adopts the shaped steel material to make, the width of mounting panel is unanimous with the width of bottom plate, and the bottom fixedly connected with support of mounting panel.

Preferably, the bottom fixedly connected with bolt of support, the bottom of bolt and the top threaded connection of mounting groove, and the support is the symmetry setting with the center pin of mounting panel.

Advantageous effects

1. The utility model discloses in, can dismantle through earlier bottom plate and stair tread, because of the bottom plate, half space and limiting plate are that there is concrete placement to form, the hole for hoist has been seted up on half space and limiting plate's top, can conveniently hoist when hoist, when hoist and mount are accomplished, can be fixed through bolt and the mounting groove threaded connection that sets up on the bottom plate, support and the bolt that the mounting panel bottom set up, can dismantle when the installation with the needs and accomplish the operation, can avoid prefabricated stair integral type process and the trouble of hoist and mount in-process hoisting at hoist and mount like this, also can accomplish timely change when stair step warp the bending and do not influence the use and pleasing to the eye.

2. The utility model discloses in, through the strengthening rib that sets up, attach muscle and splice bar and can pour the concrete in each stair junction of prefabricated staircase, can make the junction more fasten like this, need not connect through the mode of external mechanical connection.

Drawings

Fig. 1 is a schematic axial view of the prefabricated staircase according to the present invention;

fig. 2 is a schematic side view of the prefabricated staircase convenient for installation according to the present invention;

fig. 3 is a schematic structural view of a prefabricated staircase bottom plate convenient to install according to the present invention;

fig. 4 is a schematic view of the internal structure of a prefabricated staircase bottom plate convenient to install according to the present invention;

fig. 5 is the utility model provides a prefabricated staircase mounting panel structure schematic diagram convenient to installation.

Illustration of the drawings:

1. a resting platform; 2. a fixed block; 3. vertical ribs; 4. hoisting holes; 5. connecting ribs; 6. a limiting plate; 7. a base plate; 8. mounting grooves; 9. a stair tread; 10. adding ribs; 11. reinforcing ribs; 12. a bolt; 13. mounting a plate; 14. and (4) a support.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-2, a prefabricated staircase convenient to installation, including rest platform 1 and bottom plate 7, the appearance profile of bottom plate 7 is the rectangle setting, and bottom plate 7 is 30 degrees settings with rest platform 1's interior angle, rest platform 1 fixed connection is on the top of bottom plate 7, and rest platform 1's cross sectional dimension is less than bottom plate 7's cross sectional dimension, bottom plate 7 and rest platform 1 pour by the concrete material and form, mounting groove 8 has been seted up to bottom plate 7's bottom, mounting groove 8's cross sectional dimension is less than bottom plate 7, mounting groove 8 is the even setting of style of calligraphy, the top riveting of mounting groove 8 has stair board 9, stair board 9's interval is unanimous with mounting groove 8's interval, the one end fixedly connected with fixed block 2 that rest platform 1 kept away from stair board 9, the cross sectional dimension of fixed block 2 is less than rest platform 1's.

The second embodiment is as follows:

referring to fig. 3-5, a prefabricated staircase convenient for installation, the top end of a resting platform 1 is provided with a hoisting hole 4, the cross-sectional dimension of the hoisting hole 4 is smaller than that of the resting platform 1, one end of a bottom plate 7 far away from the resting platform 1 is fixedly connected with a limiting plate 6, the cross-sectional dimension of the limiting plate 6 is smaller than that of the resting platform 1, the bottom end of the limiting plate 6 is provided with a hoisting hole 4, the inside of the bottom plate 7 is fixedly connected with a reinforcing rib 11, the length of the reinforcing rib 11 is equal to the width of the bottom plate 7, the surface of the reinforcing rib 11 is welded with a vertical rib 3, the vertical rib 3 penetrates through the resting platform 1 and the inside of a fixed block 2, the length of the vertical rib 3 exposed out of the fixed block 2 is 15 cm, the surface of the reinforcing rib 11 and the vertical rib 3 is welded with a connecting rib 5, the, and the length that the limiting plate 6 is exposed to the splice bar 5 is 12 centimetres, the bottom of fixed block 2 is provided with and attaches muscle 10, the cross sectional dimension of additional muscle 10 is less than the cross sectional dimension of splice bar 5, stair board 9 is including mounting panel 13, the appearance profile of mounting panel 13 is right angled triangle, and mounting panel 13 adopts the shaped steel material to make, the width of mounting panel 13 is unanimous with the width of bottom plate 7, and the bottom fixedly connected with support 14 of mounting panel 13, the bottom fixedly connected with bolt 12 of support 14, the bottom of bolt 12 and the top threaded connection of mounting groove 8, and support 14 is the symmetry setting with the center pin of mounting panel 13.

The utility model discloses a theory of operation: firstly, the bottom plate 7 and the stair boards 9 can be disassembled, and because the bottom plate 7, the rest platform 1 and the limit plate 6 are formed by pouring concrete, the top ends of the rest platform 1 and the limiting plate 6 are provided with hoisting holes 4 which can be conveniently hoisted during hoisting, when the hoisting is finished, the hoisting device can be fixedly connected with the mounting groove 8 arranged on the bottom plate 7 through the bolt 12 in a threaded manner, the support 14 arranged at the bottom end of the mounting plate 13 is connected with the bolt 12, can be operated when being disassembled and assembled, thus avoiding the lifting trouble caused by prefabricating the integrated stair in the assembling process, and also can be replaced in time when the stair steps are deformed and bent without influencing the use and the appearance, concrete can be poured at the joints of each stair of the prefabricated stair through the arranged reinforcing ribs 11, the additional ribs 10 and the connecting ribs 5, this makes the connection more secure and does not require an external mechanical connection.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A prefabricated staircase convenient to installation, includes half space (1) and bottom plate (7), its characterized in that: the outline of the bottom plate (7) is rectangular, the bottom plate (7) and the inner angle of the rest platform (1) are arranged at 30 degrees, the rest platform (1) is fixedly connected to the top end of the bottom plate (7), the sectional dimension of the rest platform (1) is smaller than that of the bottom plate (7), the bottom plate (7) and the rest platform (1) are both cast by concrete materials, the bottom end of the bottom plate (7) is provided with a mounting groove (8), the section size of the mounting groove (8) is smaller than that of the bottom plate (7), the mounting grooves (8) are uniformly arranged in a straight line shape, the top ends of the mounting grooves (8) are riveted with stair boards (9), the distance between the stair boards (9) is consistent with that between the mounting grooves (8), one end of the rest platform (1) far away from the stair boards (9) is fixedly connected with a fixing block (2), the cross-sectional dimension of the fixed block (2) is smaller than that of the rest platform (1).

2. The prefabricated staircase convenient to install of claim 1, wherein: hoisting hole (4) have been seted up on the top of rest platform (1), the cross sectional dimension of hoisting hole (4) is less than the cross sectional dimension of rest platform (1), the one end fixedly connected with limiting plate (6) of rest platform (1) are kept away from in bottom plate (7), the cross sectional dimension of limiting plate (6) is less than the cross sectional dimension of rest platform (1), and hoisting hole (4) have been seted up to the bottom of limiting plate (6).

3. The prefabricated staircase convenient to install of claim 1, wherein: the inside fixedly connected with strengthening rib (11) of bottom plate (7), the length of strengthening rib (11) equals with the width of bottom plate (7), the skin weld of strengthening rib (11) has vertical muscle (3), vertical muscle (3) run through the inside of rest platform (1) and fixed block (2), and the length that vertical muscle (3) expose fixed block (2) is 15 centimetres.

4. Prefabricated staircase convenient to install according to claim 3, characterized in that: the skin weld of strengthening rib (11) and vertical muscle (3) has splice bar (5), the cross sectional dimension of splice bar (5) is less than the cross sectional dimension of vertical muscle (3), and splice bar (5) run through the inside of limiting plate (6), and splice bar (5) expose the length of limiting plate (6) and be 12 centimetres, the bottom of fixed block (2) is provided with attaches muscle (10), the cross sectional dimension that attaches muscle (10) is less than the cross sectional dimension of splice bar (5).

5. Prefabricated staircase convenient to install according to claim 4, characterized in that: stair board (9) are including mounting panel (13), the appearance profile of mounting panel (13) is right triangle, and mounting panel (13) adopt the shaped steel material to make, the width of mounting panel (13) is unanimous with the width of bottom plate (7), and the bottom fixedly connected with support (14) of mounting panel (13).

6. Prefabricated staircase convenient to install according to claim 5, characterized in that: the bottom fixedly connected with bolt (12) of support (14), the bottom of bolt (12) and the top threaded connection of mounting groove (8), and support (14) are the symmetry setting with the center pin of mounting panel (13).