阅读说明：本技术 一种装配式楼梯 (Assembled stair ) 是由 郭琳君 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种装配式楼梯,涉及建筑工程技术领域,其包括预制楼梯以及两个安装平台,预制楼梯的上下两端分别设置有安装板,安装平台的上端面对应开设有供安装板嵌入的安装槽,还包括：容纳槽,所述容纳槽开设于每个安装平台的上端面并位于安装槽远离预制楼梯的一侧,所述容纳槽与安装槽连通设置；第一插筋,所述第一插筋位于容纳槽朝向安装槽的侧壁设置；第二插筋,所述第二插筋位于安装板远离预制楼梯的一端,当安装板位于安装槽内时,所述第二插筋位于对应的容纳槽内并与所述第一插筋错开设置。通过设置容纳槽、第一插筋和第二插筋,通过向容纳槽注入水泥砂浆进行固定,使得装配式楼梯连接结构更强,使得整体的使用更加安全持久。(The invention discloses an assembled stair, which relates to the technical field of constructional engineering and comprises a prefabricated stair and two installation platforms, wherein the upper end and the lower end of the prefabricated stair are respectively provided with an installation plate, the upper end surface of each installation platform is correspondingly provided with an installation groove for embedding the installation plate, and the assembled stair further comprises: the accommodating grooves are formed in the upper end face of each mounting platform and located on one side, away from the prefabricated staircase, of the mounting groove, and the accommodating grooves are communicated with the mounting groove; the first dowel bars are positioned on the side walls, facing the mounting groove, of the accommodating grooves; the second dowel bar, the second dowel bar is located the mounting panel and keeps away from the one end of prefabricated stair, and when the mounting panel was located the mounting groove, the second dowel bar was located the holding tank that corresponds and with the setting of staggering of first dowel bar. Through setting up holding tank, first dowel and second dowel, fix through pouring into cement mortar into to the holding tank for assembled stair connection structure is stronger, makes holistic use safer lasting.)

1. The utility model provides an assembled stair, includes prefabricated stair (1) and two mounting platform (2), the upper and lower both ends of prefabricated stair (1) are provided with mounting panel (3) respectively, and mounting groove (7) that supply mounting panel (3) embedding, its characterized in that are seted up in the up end correspondence of mounting platform (2): further comprising:

the accommodating grooves (9) are formed in the upper end face of each mounting platform (2) and are located on one side, away from the prefabricated staircase (1), of each mounting groove (7), and the accommodating grooves (9) are communicated with the mounting grooves (7);

the first dowel bar (10) is positioned on the side wall, facing the mounting groove (7), of the accommodating groove (9);

second dowel steel (4), second dowel steel (4) are located mounting panel (3) and keep away from the one end of prefabricated stair (1), and when mounting panel (3) were located mounting groove (7), second dowel steel (4) were located corresponding holding tank (9) and with first dowel steel (10) setting of staggering.

2. The fabricated staircase of claim 1, wherein: a plurality of breachs (5) have been seted up to the lower terminal surface of mounting panel (3), breach (5) are located mounting panel (3) and keep away from the one end of prefabricated stair (1) and distribute along the horizontal direction, the quantity and the position of breach (5) all correspond the confession with first dowel (10) correspond and stretch into.

3. A fabricated staircase as defined in claim 2, wherein: ribs (8) are vertically arranged in the mounting grooves (7), and the upper end surfaces of the ribs (8) are lower than the upper end surface of the mounting platform (2); the mounting plate (3) is correspondingly provided with mounting holes (6) corresponding to the ribs (8), and the diameter of each mounting hole (6) is larger than the arrangement of the ribs (8).

4. The fabricated staircase of claim 1, wherein: two hinge grooves (11) have still been seted up to the up end of mounting platform (2), two hinge groove (11) correspond and are located mounting panel (3) along the both sides of prefabricated staircase (1) distribution direction, just hinge groove (11) and mounting groove (7) intercommunication set up.

5. A fabricated staircase as defined in claim 4, wherein: a guide plate (14) is hinged in each hinge groove (11), the hinge axis of each guide plate (14) is positioned in each hinge groove (11) and staggered with the end part of each guide plate (14), and the hinge axis of each guide plate (14) is horizontal and parallel to the corresponding side wall of the mounting plate (3); the focus of deflector (14) is higher than the articulated axis setting of deflector (14), works as when the lateral wall upper end of mounting groove (7) is kept away from in deflector (14) conflict hinge groove (11), deflector (14) are the slope towards the direction of keeping away from mounting groove (7) and upwards set up, just the lower extreme of deflector (14) stretches into mounting groove (7) and sets up.

6. A fabricated staircase as defined in claim 5, wherein: the hinge groove (11) is far away from the upper end of the side wall of the mounting groove (7) and is provided with an inclined surface (13), and the inclined surface (13) is attached to the guide plate (14).

7. The fabricated staircase of claim 6, wherein: the guide plate (14) comprises a guide main body (141) hinged to the hinge groove (11) and a hinge plate (142) hinged to the upper end of the guide main body (141), and the inclined surface (13) is correspondingly attached to the guide main body (141); the hinge plate (142) is turned over to a state of 180 degrees with the guide main body (141) at the maximum in the direction away from the mounting groove (7); the hinge plate (142) is provided with a long hole (16), and the mounting plate (3) is correspondingly provided with a threaded hole (18) corresponding to the long hole (16); when the mounting plate (3) is positioned in the mounting groove (7), the hinge plate (142) is turned over to be attached to the mounting plate (3) and the strip hole (16) is aligned with the threaded hole (18).

8. The fabricated staircase of claim 7, wherein: the upper end surface of the mounting plate (3) is provided with two splicing grooves (17), the splicing grooves (17) are correspondingly positioned on two sides of the mounting plate (3) along the distribution direction of the prefabricated staircase (1), the two splicing grooves (17) are correspondingly embedded by hinge plates (142), and the threaded holes (18) are correspondingly positioned at the bottom of the splicing grooves (17); when the hinge plates (142) are turned into the splicing grooves (17), the upper end surfaces of the hinge plates (142) are lower than the upper end surface of the mounting plate (3).

9. The fabricated staircase of claim 7, wherein: connecting groove (12) have still been seted up to the inside wall of mounting groove (7), connecting groove (12) are close to the tank bottom setting of mounting groove (7) and communicate holding tank (9) and articulated groove (11) set up.

Technical Field

The invention relates to the technical field of constructional engineering, in particular to an assembled stair.

Background

The stairs are used as main vertical traffic and main channels for emergency evacuation of the building, and have important influence on normal use and emergency evacuation of the whole building. The assembled stair is prefabricated at first, then arrives the scene and installs for the stair of building are built more high-efficiently.

For example, chinese patent No. CN110847525A discloses an assembled stair convenient to assemble and disassemble, which includes a base frame, a top plate and a bottom plate are fixed at two ends of the base frame respectively, a first platform and a second platform are fixed on the top plate and the bottom plate respectively, a plurality of step plates distributed at equal intervals are fixed on the outer wall of the top of the base frame, and positioning blocks corresponding to the step plates are fixed on the base frame. During installation, the top plate and the bottom plate are respectively fixed on the first platform and the second platform through the positioning columns.

When the assembly type stair is adopted, the top plate and the bottom plate are only fixed on the first platform and the second platform through the positioning columns, so that the strength of the integrally installed connecting structure of the stair and a building body is insufficient and needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an assembly type stair which has the advantage of stronger connection structure of the assembly type stair.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an assembled stair, includes prefabricated stair and two mounting platforms, the upper and lower both ends of prefabricated stair are provided with the mounting panel respectively, and the mounting groove that supplies the mounting panel embedding is seted up in mounting platform's up end correspondence, still includes:

the accommodating grooves are formed in the upper end face of each mounting platform and located on one side, away from the prefabricated staircase, of the mounting groove, and the accommodating grooves are communicated with the mounting groove;

the first dowel bars are positioned on the side walls, facing the mounting groove, of the accommodating grooves;

the second dowel bar, the second dowel bar is located the mounting panel and keeps away from the one end of prefabricated stair, and when the mounting panel was located the mounting groove, the second dowel bar was located the holding tank that corresponds and with the setting of staggering of first dowel bar.

Through above-mentioned technical scheme, first dowel bar and second dowel bar are the reinforcing bar, when prefabricated staircase installation, through the loop wheel machine with prefabricated staircase hoist, then aim at the mounting groove with the mounting panel on the prefabricated staircase and pack into, first dowel bar and second dowel bar all lie in the holding tank setting this moment. The mounting panel forms the die cavity of cement mortar with the lateral wall concatenation of holding tank this moment, then pours into cement mortar into the holding tank into, carries out fixed connection to mounting platform and mounting panel through the cement mortar solidification. Set up holding tank, first dowel and second dowel, fix through pouring into cement mortar into the holding tank, the intensity of cement mortar solidification is far greater than the location of current reference column to make assembled stair connection structure stronger, make holistic use safer lasting.

The present invention in a preferred example may be further configured to: a plurality of breachs have been seted up to the lower terminal surface of mounting panel, the breach is located the mounting panel and keeps away from prefabricated staircase's one end and distributes along the horizontal direction, the quantity and the position of breach all correspond the confession with first dowel bar corresponds and stretches into.

Through above-mentioned technical scheme, through setting up the breach, the setting of breach can increase the contact surface of cement mortar and mounting panel for after the whole solidification, cement mortar is stronger to the fixed effect of mounting panel, and first dowel correspondence stretches into the breach in addition, makes after the cement mortar solidification, can further strengthen the structural strength after the cement mortar solidification through the dowel.

The present invention in a preferred example may be further configured to: ribs are vertically arranged in the mounting grooves, and the upper end surfaces of the ribs are lower than the upper end surface of the mounting platform; the mounting plate is correspondingly provided with mounting holes corresponding to the ribs, and the diameter of each mounting hole is larger than that of each rib.

Through above-mentioned technical scheme, after the mounting panel is correspondingly packed into in the mounting groove, the rib correspondence is located the mounting hole, can further fix through pouring into cement mortar into the mounting hole for holistic connection structure is stronger.

The present invention in a preferred example may be further configured to: two hinge grooves are further formed in the upper end face of the mounting platform, the hinge grooves are correspondingly located on two sides of the mounting plate along the distribution direction of the prefabricated staircase, and the hinge grooves are communicated with the mounting groove.

Through above-mentioned technical scheme, set up the hinge groove, hinge groove department also can further fill cement mortar for the both sides and the tip of mounting panel are all fixed through cement mortar, make holistic concatenation intensity better.

The present invention in a preferred example may be further configured to: a guide plate is hinged in each hinge groove, the hinge axis of each guide plate is positioned in each hinge groove and staggered with the end part of each guide plate, and the hinge axis of each guide plate is horizontal and parallel to the corresponding side wall of the mounting plate; the focus of deflector is higher than the articulated axis setting of deflector, works as when the lateral wall upper end of mounting groove is kept away from to the deflector conflict hinge groove, the deflector is the slope towards the direction of keeping away from the mounting groove and upwards sets up, just the lower extreme of deflector stretches into the mounting groove setting.

Through above-mentioned technical scheme, during the prefabricated staircase installation, the deflector upset to conflict hinge groove upper end and be the orientation slope of keeping away from the mounting groove and state upwards, the deflector is used for the operation that the mounting panel was embedded into the mounting groove this moment. After the mounting panel was embedded into the mounting groove, the deflector lower extreme made the deflector be in vertical state under the conflict of mounting panel, and the hinge joint groove can further be filled through cement mortar this moment to be connected the mounting panel of prefabricated staircase with mounting platform more stably.

The present invention in a preferred example may be further configured to: the lateral wall upper end that the mounting groove was kept away from in the hinge groove is provided with the inclined plane, inclined plane laminating deflector sets up.

Through above-mentioned technical scheme, set up the inclined plane, support the deflector through the inclined plane for line contact turns into the face contact, thereby makes the articulated groove upper end lateral wall more stable to the support of deflector.

The present invention in a preferred example may be further configured to: the guide plate comprises a guide main body hinged to the hinge groove and a hinge plate hinged to the upper end of the guide main body, and the inclined surface is correspondingly attached to the guide main body; the hinged plate is overturned to a state of 180 degrees with the guide main body at the maximum towards the direction away from the mounting groove; the hinge plate is provided with a long hole, and the mounting plate is correspondingly provided with a threaded hole corresponding to the long hole; when the mounting panel was located the mounting groove, the articulated slab upset is to laminating mounting panel and rectangular hole alignment screw hole setting.

Through the technical scheme, after the mounting panel corresponds and is embedded into the mounting groove, the direction main part overturns to vertical state under the conflict of mounting panel, at this moment, the articulated slab overturns to the state of laminating in the mounting panel up end under the rotation inertia of direction main part drives, the rectangular hole corresponds and aims at the screw hole setting this moment, pass through the bolt this moment behind the rectangular hole and fix with screw hole threaded connection, thereby it is more convenient to make holistic installation, further fix articulated slab and mounting panel through the bolt in addition, make holistic fixed knot structure more stable.

The present invention in a preferred example may be further configured to: the upper end surface of the mounting plate is provided with two splicing grooves, the splicing grooves are correspondingly positioned on two sides of the mounting plate along the distribution direction of the prefabricated staircase, the two splicing grooves are correspondingly embedded by the hinged plates, and the threaded holes are correspondingly positioned at the bottoms of the splicing grooves; when the hinged plates are turned into the splicing grooves, the upper end surfaces of the hinged plates are lower than the upper end surfaces of the mounting plates.

Through the technical scheme, after the hinged plates are correspondingly embedded into the splicing grooves, the upper end faces of the mounting plates and the mounting platform are leveled through cement mortar, so that the upper end faces are smoother after mounting.

The present invention in a preferred example may be further configured to: the spread groove has still been seted up to the inside wall of mounting groove, the tank bottom that the spread groove is close to the mounting groove sets up and communicates holding tank and articulated groove set up.

Through above-mentioned technical scheme, when carrying out the injected cement mortar to the holding tank, cement mortar can flow through the spread groove and supply to articulated inslot for the operation of inserting of cement mortar is more convenient, and in addition, the setting up of spread groove can also increase the solid face that closes of cement mortar between to mounting platform and the mounting panel, makes holistic structural strength better.

Compared with the prior art, the invention has the beneficial effects that:

(1) by arranging the accommodating groove, the first dowel and the second dowel and injecting cement mortar into the accommodating groove for fixing, the assembled stair connecting structure is stronger, and the integral stair is safer and more durable in use;

(2) by arranging the guide plate and the inclined surface, the guide plate can guide the installation groove for installing the installation plate, and the inclined surface is used for supporting the guide plate, so that the linear contact is converted into the surface contact, and the side wall at the upper end of the hinge groove can more stably support the guide plate;

(3) through setting up direction main part and articulated slab, articulated slab upper end rectangular hole can further be fixed articulated slab and mounting panel through the bolt with the screw hole cooperation of concatenation groove for holistic fixed knot constructs more stably.

Drawings

FIG. 1 is an overall schematic view of an embodiment;

FIG. 2 is a schematic partial exploded view of an embodiment;

FIG. 3 is a schematic structural diagram of a mounting platform of an embodiment;

FIG. 4 is a schematic cross-sectional view of a mounting platform of an embodiment;

fig. 5 is an enlarged view of a portion a of fig. 4.

Reference numerals: 1. prefabricating a stair; 2. mounting a platform; 3. mounting a plate; 4. a second dowel; 5. a notch; 6. mounting holes; 7. mounting grooves; 8. ribs; 9. accommodating grooves; 10. a first dowel; 11. a hinge slot; 12. connecting grooves; 13. an inclined surface; 14. a guide plate; 141. a guide body; 142. a hinge plate; 15. a limiting part; 16. a strip hole; 17. splicing grooves; 18. a threaded bore.

Detailed Description

The invention is described in detail below with reference to the figures and examples.