Anti-falling platform for safety maintenance of elevator
By installing guardrails and movable support rods controlled by the drive mechanism on the elevator maintenance platform, the risk of falling due to the lack of protection on the elevator maintenance platform has been solved, and safety has been improved during the maintenance process.
Patent Information
- Application Number
- CN202520058154.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing elevator maintenance platforms lack protective structures and are prone to swaying, resulting in a high risk of falls for maintenance personnel.
A fall-prevention platform including guardrails and movable support rods was designed. The movable support rods are engaged with the side wall of the elevator car by a drive mechanism to fix the platform and prevent swaying.
It effectively prevents maintenance personnel from falling, improves maintenance safety, and ensures platform stability.
Smart Images

Figure CN223646089U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevator maintenance technology, specifically to an anti-fall platform for elevator safety maintenance. Background Technology
[0002] With rapid economic development, elevators are now commonly used in residential communities, commercial buildings, hospitals, schools, and other areas. Elevators require regular maintenance to extend their lifespan, reduce malfunctions, and prevent potential safety hazards. When an elevator malfunctions, it needs to be repaired promptly. During maintenance in the elevator car, a maintenance platform is needed due to the car's height. Maintenance personnel stand on the platform to inspect the top of the car. However, since the maintenance platform lacks protective structures and the car is prone to swaying, it can shift, causing maintenance personnel to fall and endanger their safety. Utility Model Content
[0003] In order to overcome the problems existing in the background technology, this utility model provides a fall-prevention platform for elevator safety maintenance, so as to solve the technical problems mentioned in the background technology that the current maintenance platform has no protective structure and the car is prone to shaking, which causes the maintenance platform to move, thereby causing maintenance personnel to fall from the maintenance platform, resulting in safety accidents and endangering the safety of maintenance personnel.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution:
[0005] An elevator safety maintenance anti-fall platform includes a platform body 1, the top of the platform body 1 is a work surface 2 for maintenance personnel to stand on, and a guardrail 3 is installed around the work surface 2; movable support rods 4 are slidably installed at both ends of the platform body 1 and abut against the side wall of the car; the movable support rods 4 are connected to a drive mechanism installed in the platform body 1 to drive the movable support rods 4 to move.
[0006] Preferably, the driving mechanism includes an adjusting rod 51 and a lead screw 52. The lead screw 52 is installed in the mounting channel 6 that runs through the left and right sides of the platform 1. Two relatively symmetrical fixing blocks 7 are provided in the middle of the mounting channel 6. The lead screw 52 is rotatably mounted on the fixing blocks 7 through bearings. The movable support rod 4 is inserted into the mounting channel 6 from both ends and is threadedly connected to both ends of the lead screw 52. The adjusting rod 51 is arranged perpendicular to the lead screw 52 and is rotatably mounted in the platform 1. It is connected to the middle of the lead screw 52 through a worm gear transmission.
[0007] Preferably, the screw 52 is connected to the movable support rods 4 at both ends in opposite directions.
[0008] Preferably, the end of the adjusting rod 51 is provided with a handle 511 for easy rotation.
[0009] Preferably, the guardrail 3 is provided with a protective door 31 on its side to facilitate the entry and exit of maintenance personnel.
[0010] Preferably, the bottom of the platform 1 is equipped with self-locking casters 8 for easy movement.
[0011] The beneficial effects of this utility model are: the protective railings provide protection for maintenance personnel standing on the work platform, preventing them from falling off. At the same time, the movable support rods at both ends of the platform support the side walls of the elevator car, limiting the platform and preventing it from moving. This avoids the maintenance personnel falling off the work platform and improves their safety during maintenance. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0013] Figure 2 This is a three-dimensional cross-sectional view of the installation structure of the movable support rod.
[0014] Figure 3 yes Figure 2 A magnified view of a portion of region A shown in the diagram. Detailed Implementation
[0015] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.
[0016] like Figure 1-3 As shown, this utility model provides a fall-prevention platform for elevator safety maintenance, including a platform body 1, a work surface 2 for maintenance personnel to stand on at the top of the platform body 1, and a guardrail 3 installed around the work surface 2; movable support rods 4 are slidably installed at both ends of the platform body 1, abutting against the side walls of the car; the movable support rods 4 are connected to a drive mechanism installed in the platform body 1 to drive the movable support rods 4 to move. When performing maintenance using this fall-prevention platform, the drive mechanism moves the movable support rods 4 to both ends to abut against the side panels of the car, thereby supporting and fixing the platform body 1, limiting the platform's movement, and preventing maintenance personnel from falling off the work surface 2 due to platform swaying. Maintenance personnel can stand on the work surface 2 to perform maintenance on the top of the car, and the guardrail 3 protects the maintenance personnel standing on the work surface 2, preventing them from falling off the work surface 2, thus improving the safety of maintenance personnel during maintenance; after maintenance is completed, the movable support rods 4 are retracted into the platform body for easy transportation of the platform.
[0017] The drive mechanism includes an adjusting rod 51 and a lead screw 52. The lead screw 52 is installed in the mounting channel 6 that runs through the left and right sides of the platform 1. Two relatively symmetrical fixing blocks 7 are provided in the middle of the mounting channel 6. The lead screw 52 is rotatably mounted on the fixing blocks 7 through bearings. The movable support rod 4 is inserted into the mounting channel 6 from both ends and is threadedly connected to both ends of the lead screw 52. The adjusting rod 51 is set perpendicular to the lead screw 52 and is rotatably mounted in the platform 1. It is connected to the middle of the lead screw 52 through a worm gear transmission. Rotating the adjusting rod 51 drives the lead screw 52 to rotate threadedly in the movable support rod 4 through the worm gear mechanism. This causes the movable support rod 4 to extend outward along the mounting channel 6 and press against the side wall of the car, supporting and fixing the platform and preventing maintenance personnel from falling off the work platform 2 due to platform swaying. The drive mechanism can easily drive the movable support rod 4 to extend and support the side wall of the car, improving the utilization efficiency of the movable support rod 4.
[0018] The screw 52 and the movable support rods 4 at both ends are connected by threads in opposite directions; this allows the movable support rods 4 at both ends to extend to both sides and abut against the side wall of the car when the screw 52 and the movable support rods 4 at both ends rotate.
[0019] The end of the adjusting rod 51 is provided with a handle 511 for easy rotation; the adjusting rod 51 can be rotated conveniently and effortlessly through the handle 511, thereby adjusting the extension and retraction of the movable support rod 4.
[0020] The guardrail 3 is provided with a protective door 31 on its side to facilitate the entry and exit of maintenance personnel.
[0021] The bottom of the platform 1 is equipped with self-locking casters 8 for easy movement. The self-locking casters 8 allow the platform to be moved easily, while also allowing it to be fixed in one position.
[0022] Work process:
[0023] When performing maintenance using this fall-prevention platform, the platform is moved into the car using the self-locking casters 8. The self-locking steering wheels are then locked. The adjusting rod 51 is rotated, causing the lead screw 52 to rotate threadedly in the moving support rod 4 via the worm gear mechanism. This causes the moving support rod 4 to extend outward along the installation channel 6 and press against the side wall of the car, securing the platform and preventing movement. Maintenance personnel enter the work platform 2 through the protective door 31 and then close the door 31, preventing them from falling from the work platform 2 due to platform swaying. Maintenance personnel can then perform maintenance on the top of the car while standing on the work platform 2. The guardrail 3 protects the personnel standing on the work platform 2, preventing falls and improving their safety during maintenance.
[0024] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.
Claims
1. A fall-prevention platform for elevator safety maintenance, characterized in that: The platform includes a platform (1), the top of which is a work surface (2) for maintenance personnel to stand on, and a guardrail (3) is installed around the work surface (2); movable support rods (4) are slidably installed at both ends of the platform (1) and abut against the side wall of the car; the movable support rods (4) are connected to the drive mechanism installed in the platform (1) to drive the movable support rods (4) to move.
2. The fall-prevention platform for elevator safety maintenance according to claim 1, characterized in that: The driving mechanism includes an adjusting rod (51) and a lead screw (52). The lead screw (52) is installed in the mounting channel (6) that runs through the left and right sides of the platform (1). Two relatively symmetrical fixing blocks (7) are provided in the middle of the mounting channel (6). The lead screw (52) is rotatably mounted on the fixing blocks (7) through bearings. The movable support rod (4) is inserted into the mounting channel (6) from both ends and threadedly connected to both ends of the lead screw (52). The adjusting rod (51) is set perpendicular to the lead screw (52) and rotatably mounted in the platform (1). It is connected to the middle of the lead screw (52) through a worm gear transmission.
3. The fall-prevention platform for elevator safety maintenance according to claim 2, characterized in that: The screw (52) is connected to the movable support rods (4) at both ends in opposite directions.
4. A fall-prevention platform for elevator safety maintenance according to claim 2 or 3, characterized in that: The end of the adjusting rod (51) is provided with a handle (511) for easy rotation.
5. A fall-prevention platform for elevator safety maintenance according to any one of claims 1-3, characterized in that: The guardrail (3) is provided with a protective door (31) on the side to facilitate the entry and exit of maintenance personnel.
6. The fall-prevention platform for elevator safety maintenance according to claim 5, characterized in that: The bottom of the platform (1) is equipped with self-locking casters (8) for easy movement.