CN-224213668-U - Modular assembled cross stair

Abstract

The utility model discloses a modularized assembled cross stair, which relates to the field of building structures and comprises a platform beam, a stair post and a cross supporting stair structure, wherein four groups of stair posts are assembled with the platform beam, the platform beam is respectively connected between two stair posts along the transverse direction, the cross supporting stair structure is connected between two opposite platform beams, one side of the cross supporting stair structure is close to the existing building structure, so that a continuous up-down walking channel is formed, the cross supporting stair structure comprises an inclined stair beam, a pedal plate and a U-shaped connecting piece, and the pedal plate is limited between the two opposite inclined stair beams. According to the utility model, the stair post is added, so that the whole stair structure is separated from the existing building structure, and the subsequent movement and disassembly are convenient.

Inventors

• XU ZHIHONG
• LIU HENG
• HAN YUJIA
• MENG JINJIE
• FENG XINZE
• XIAO JINXIANG
• CHENG BO
• LI YUE
• CHEN YONGZHONG
• LI GUOFU
• DU JIAO

Assignees

• 中交综合规划设计院有限公司

Dates

Publication Date

20260508

Application Date

20250514

Claims (9)

1. 1. The modularized assembled cross stair is characterized by comprising a platform beam (1), stair posts (2) and a cross supporting stair structure, wherein the stair posts (2) and the platform beam (1) are assembled together to form a supporting frame, the platform beam (1) is respectively connected between the two stair posts (2) along the transverse direction, the cross supporting stair structure is connected between the two opposite platform beams (1), and one side of the cross supporting stair structure is close to an existing matched building structure (8), so that a continuous up-down walking channel is formed.
2. 2. The modular assembled cross stair of claim 1, wherein the cross support stair structure comprises inclined ladder beams (3), tread plates (4) and U-shaped connecting pieces (6), the U-shaped connecting pieces (6) are fixedly connected to two ends of each inclined ladder beam (3), the inclined ladder beams (3) are connected with two opposite platform beams (1) through the U-shaped connecting pieces (6), and the tread plates (4) are limited between the two opposite inclined ladder beams (3).
3. 3. A modular assembled cross stair according to claim 2, wherein each inclined ladder beam (3) is fixedly connected with a pedal connecting piece (7), the pedal connecting piece (7) is U-shaped, the bottom of each pedal (4) is fixedly connected with a limiting plate (41), the limiting plates (41) are embedded in U-shaped grooves of the pedal connecting pieces (7), two end faces of each pedal (4) are respectively abutted against opposite faces of the two inclined ladder beams (3), and the positions and specifications of the pedal connecting pieces (7) and the pedal (4) are matched.
4. 4. A modular, fabricated, cross-over stairway as claimed in claim 3, wherein said ramp beams (3) include inclined sections and flat sections connected together, said tread plates (4) being staggered on said inclined sections, said tread plates (4) being closely arranged on said flat sections to form a walking platform.
5. 5. A modular assembled cross stair according to claim 4, wherein the inclined ladder beams (3) comprise a first inclined ladder beam (31) and a second inclined ladder beam (32), two first inclined ladder beams (31) and a plurality of tread plates (4) form an upper inclined support arm group, two second inclined ladder beams (32) and a plurality of tread plates (4) form a lower inclined support arm group, and the lower inclined support arm group and the upper inclined support arm group are arranged in a staggered manner in the vertical direction.
6. 6. A modular cross stair according to claim 5, wherein one end of the first inclined ladder beam (31) is fixed to the platform beam (1), the other end of the first inclined ladder beam (31) extends obliquely upwards and is connected to the platform beam (1) on the other side, one end of the second inclined ladder beam (32) is fixed to the platform beam (1), and the other end of the second inclined ladder beam (32) extends obliquely downwards and is connected to the platform beam (1) on the other side.
7. 7. A modular assembled cross stair according to claim 2, wherein the U-shaped connecting piece (6) is provided with a through hole, and the U-shaped connecting piece (6) and the platform beam (1) are connected together through bolts.
8. 8. A modular, fabricated, cross-stairway according to claim 1, characterised in that it comprises four sets of stiles, each set of stiles (2) being connected together in the vertical direction by a stile connector (5) and bolt assembly.
9. 9. A modular, fabricated, cross-over stairway according to claim 1, characterised in that the bottom of the ladder column (2) is bolted to a support column (9), the support column (9) being attached to a sleeper (10).

Description

Modular assembled cross stair Technical Field The utility model relates to the field of building structures, in particular to a modularized assembled cross stair. Background In traditional building construction, the stair is as the key structural component who connects different floors, and its mounting means is mostly with the direct fixed connection that carries out of cross stair structure with current building structure. This way of installation presents significant limitations, mainly in terms of the great inconvenience of the process of dismantling the stairs. As the stairs are closely connected with the building structure, once the stairs need to be moved or removed, constructors have to expend a great deal of time and effort to cut off the connection points between the stairs and the building structure, so that the construction difficulty is increased, the original building structure can be damaged, and the integrity and the stability of the building are affected. In recent years, the rise of modular building technology provides a new idea for stair design. However, aiming at the special structure of the cross stair, the prior proposal has the defects that firstly, most modularized stairs are not optimized for the cross supporting structure, so that the overall stability is insufficient, secondly, the connection mode of the tread plate and the supporting beam is mostly dependent on welding or gluing, the components are easy to damage during disassembly, and the real reversible assembly is difficult to realize. The utility model aims to provide a modularized assembled cross stair, and the whole stair structure is separated from the existing building structure by additionally arranging the stair columns, so that the convenient installation and flexible disassembly of the stair are realized, and a new solution is provided for modern building construction and space utilization. Disclosure of utility model The utility model aims to provide a modularized assembled cross stair, which is added with stair posts, so that the whole stair structure is separated from the existing building structure, and the subsequent movement and disassembly are convenient. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model discloses a modularized assembled cross stair which comprises platform beams, ladder columns and a cross supporting stair structure, wherein the ladder columns and the platform beams are assembled together to form a supporting frame, the platform beams are respectively connected between the two ladder columns along the transverse direction, the cross supporting stair structure is connected between the two opposite platform beams, and one side of the cross supporting stair structure is close to a matched existing building structure, so that a continuous up-down walking channel is formed. Preferably, the cross support stair structure comprises inclined ladder beams, tread plates and U-shaped connecting pieces, wherein the U-shaped connecting pieces are fixedly connected to two ends of each inclined ladder beam respectively, the inclined ladder beams are connected with two opposite platform beams through the U-shaped connecting pieces, and the tread plates are limited between the two opposite inclined ladder beams. Preferably, a step plate connecting piece is fixedly connected with one side of each inclined ladder beam, the step plate connecting piece is U-shaped, a limiting plate is fixedly connected with the bottom of the step plate, the limiting plate is embedded in a U-shaped groove of the step plate connecting piece, two end faces of the step plate are respectively abutted to two opposite faces of the inclined ladder beams, and the step plate connecting piece is matched with the step plate in position and specification. Preferably, the inclined ladder beam comprises an inclined section and a flat section which are connected together, the stepping plates are arranged on the inclined section in a staggered manner, and the stepping plates are tightly arranged on the flat section to form a walking platform. Preferably, the inclined ladder beam comprises a first inclined ladder beam and a second inclined ladder beam, two first inclined ladder beams and a plurality of tread plates form an upper inclined support arm group, two second inclined ladder beams and a plurality of tread plates form a lower inclined support arm group, and the lower inclined support arm group and the upper inclined support arm group are arranged in a staggered manner in the vertical direction. Preferably, one end of the first inclined ladder beam is fixed with the platform beam, the other end of the first inclined ladder beam extends obliquely upwards and is connected with the platform beam on the other side, one end of the second inclined ladder beam is fixed with the platform beam, and the other end of the second inclined ladder beam extends obliquely downwards and is con