施工电梯的楼层防护门

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By designing floor safety doors for construction elevators and utilizing the automated operation of the flaps and door panels, the safety issues caused by gaps in construction elevators and the problem of low transportation efficiency were solved, realizing automated material transportation and improving construction efficiency.

CN224512974UActive Publication Date: 2026-07-17NORTH CHINA METALLURGICAL CONSTR ENG CONSTR +1

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: NORTH CHINA METALLURGICAL CONSTR ENG CONSTR
Filing Date: 2025-05-22
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

The gap between the construction elevator and the floor platform can easily cause materials to fall, affecting safety and material transportation efficiency. Existing solutions require manual operation, which is time-consuming and labor-intensive.

Method used

Design a floor safety door for a construction elevator, including a flap and a door panel. The flap is automatically leveled and retracted by a return component, and the door panel is linked with the elevator door to achieve automatic opening and closing, eliminating the need for manual operation.

Benefits of technology

The construction elevator has achieved automated material transportation, which has improved transportation efficiency and reduced the time and labor consumption of manual operation.

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Abstract

本实用新型提供了一种施工电梯的楼层防护门，包括防护门和翻板，所述防护门包括设置在楼层上的门框，在所述门框上设置有对开的两个门板，所述门板朝向电梯开启；所述翻板包括方形钢板和焊接在所述方形钢板的一个边部上的转轴，在所述楼层的底板上设置有两个支块，所述两个支块均位于所述门框朝向所述电梯的一侧，所述转轴的两端分别与相应的支块转动连接；在所述门框的竖边框和所述方形钢板之间连接有回位构件；所述门板开启，并推动所述翻板转动放平，所述门板关闭，所述回位构件将所述翻板拉回为竖直。本实用新型可实现翻板跟随防护门的开启和关闭，自动放平和收回，提高了施工电梯运送物料的效率，节约了人力。

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Claims

1. A landing door of a construction elevator, characterized by, Includes a protective door and a flap that is linked to the protective door, wherein, The protective door includes a door frame installed on the floor, two opposing door panels installed on the door frame, the door panels opening towards the elevator, and a door lock installed between the adjacent edges of the two door panels; The flap includes a square steel plate and a rotating shaft welded to one side of the square steel plate. Two support blocks are provided on the bottom plate of the floor. Both support blocks are located on the side of the door frame facing the elevator. The two ends of the rotating shaft are rotatably connected to the corresponding support blocks. The rotating shaft is lower than the lower edge of the door panel and parallel to the door frame. A return component is connected between the vertical frame of the door frame and the square steel plate; When the door panel is opened, it pushes the flap to rotate and flatten. When the door panel is closed, the return component pulls the flap back to a vertical position.

2. The construction elevator landing door of claim 1, wherein, The door panel is connected to the vertical frame via hinges, and the side of the door panel facing away from the elevator is connected to the upper frame of the door frame via a door closer.

3. The construction elevator landing door of claim 2, wherein, The door closer is a remote-controlled door opener / closer.

4. The construction elevator landing door of claim 1, wherein, The door lock is a latch lock, and the latch and locking bar of the latch lock are respectively located in the middle of the two door panels facing the elevator.

5. The construction elevator landing door of claim 1, wherein, The outer width of the door frame is smaller than the inner width of the elevator, the distance between the two support blocks is greater than the outer width of the door frame, the width of the square steel plate is greater than the outer width of the door frame but not greater than the inner width of the elevator, and the center lines of the door frame and the square steel plate coincide with the center line of the elevator.

6. The construction elevator landing door of claim 1, wherein, The diameter of the rotating shaft is the same as the thickness of the square steel plate, and the distance between the rotating shaft and the bottom plate of the floor is no more than 1 cm.

7. The construction elevator landing door of claim 1, wherein, A through hole is provided on the support block, and a bearing is provided in the through hole, with the rotating shaft passing through the bearing.

8. The construction elevator landing door of claim 1, wherein, A pad is laid on the floor slab below the door frame, and the pad is flush with the pivot.

9. The construction elevator landing door of claim 1, wherein, The return component is a gas spring. One end of the gas spring is connected to the side wall of the vertical frame away from the door panel, and the other end is connected to the center of the surface edge of the square steel plate facing the door frame.

10. The construction elevator landing door of claim 1, wherein, The return component is a spring-loaded hinge. The mother page of the spring-loaded hinge is connected to the lower end of the side wall of the vertical frame facing the elevator, and the child page of the spring-loaded hinge is connected to the lower edge of the surface of the square steel plate facing the door frame.