Elevator shaft safety protection device

By installing sound-absorbing panels and protective nets inside the elevator shaft to intercept screws, the noise is reduced by utilizing sound absorption properties, thus solving the problems of screw falling and noise in elevator shaft maintenance devices, and improving the safety and user experience of maintenance operations.

CN223707048UActive Publication Date: 2025-12-23HUBEI BESHENG MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423253439.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-23
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

The existing elevator shaft maintenance equipment lacks the function of preventing screws from falling off, and the noise from the supporting structure affects other people on the floor, resulting in a poor user experience.

Method used

Design an elevator shaft safety protection device that includes a shaft wall, sound-absorbing panels, a protective net, and stabilizing feet. The sound-absorbing panels intercept screws and reduce noise by utilizing their sound-absorbing properties, the protective net intercepts screws, and the stabilizing feet ensure the device is placed stably.

Benefits of technology

It effectively intercepts screws, reduces noise interference, and improves the safety and user experience of maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of elevator shaft maintenance, in particular to an elevator shaft safety protection device which comprises a shaft wall, a sound absorption plate and a mounting frame, an elevator shaft hole is formed in the shaft wall, a door opening is formed in one side of the inner wall of the shaft wall, the sound absorption plate is placed in the shaft wall, and a steel plate is fixedly mounted at the bottom of the sound absorption plate. A mounting frame is fixedly mounted at the top of the sound-absorbing plate, a protection net is mounted in the mounting frame, two groups of welding seats are fixedly mounted on two sides of the top of the sound-absorbing plate, a vertical frame is fixedly mounted on one side of the bottom of the sound-absorbing plate, and an inclined frame is fixedly mounted on the other side of the bottom of the sound-absorbing plate. And the protective net can intercept screws accidentally dropped by workers, so that the dropped screws are limited at the top of the acoustic panel, the workers can find the screws conveniently, and meanwhile, the screws can be prevented from falling to the bottom of the hoistway.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator shaft maintenance technical field, concretely is a kind of elevator shaft safety device. BACKGROUND

[0002] Elevator shaft, referred to as "shaft" for short, vertical passage in building for elevator to travel up and down, cross section is rectangle or square, door hole is set on each floor, and shaft door can be installed, and currently, when staff carries out maintenance operation inside elevator shaft, it is usually to open shaft door and directly stand on car top operation, position is adjusted by controlling the lifting of car, since a variety of mechanical equipment are installed on car top, staff is prone to stumble when operating, and operation risk is larger, therefore, a kind of elevator shaft safety device relatively flat can assist staff to carry out maintenance operation, in order to optimize use experience, therefore we propose a kind of elevator shaft safety device.

[0003] After searching, patent announcement No. CN216785374U discloses a kind of support device for elevator shaft maintenance, including fixed frame, the bottom of fixed frame is provided with fixed plate, and the bottom of fixed plate is provided with adjusting rod, the bottom of adjusting rod is provided with fixed cylinder, and fixed cylinder and adjusting rod are mutually slidingly matched, and the bottom of fixed cylinder is fixed with antiskid suction cup, the side of adjusting rod is provided with adjusting mechanism, the bottom of fixed plate is provided with support mechanism, the side of fixed plate is provided with assembly mechanism, in the prior art, CN216785374U And most of such devices on the market do not have the function of preventing screws from falling during use, and staff often drop some screws and other small parts during maintenance operation, which is difficult to find after falling, and when staff works on support structure, support structure is usually made of steel plate, noise will be generated when personnel walk and tread or tool parts fall, which will affect other personnel on floor, in view of this, we propose a kind of elevator shaft safety device to solve the existing problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of elevator shaft safety device to solve the problems raised in the above background.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a safety protection device for elevator shaft, including well wall, sound absorption board and mounting bracket, the inside of well wall is equipped with elevator shaft hole, and the inner wall side of well wall is equipped with door hole, the inside of well wall is placed with sound absorption board, the bottom of sound absorption board is fixedly installed with steel sheet, the top of sound absorption board is fixedly installed with mounting bracket, and the inside of mounting bracket is installed with protective net, both sides of the top of sound absorption board are fixedly installed with two groups of welding seat, the bottom of sound absorption board one side is fixedly installed with vertical support, the bottom of sound absorption board other side is fixedly installed with inclined support, the bottom of vertical support and inclined support is fixedly installed with stabilizing foot.

[0006] When using, the sound absorption board can be placed in the elevator shaft, and the cooperation of the stabilizing foot and the limiting block can make the bottom of the support structure stably support at the door hole, the staff can enter the sound absorption board from the door hole to work, in the maintenance operation, the protective net can intercept the dropped screws of the staff, so that the dropped screws are limited on the top of the sound absorption board, the staff can easily find, and the dropped screws can also be prevented from falling to the bottom of the shaft, and in the working process of the staff, the excellent sound absorption performance of the sound absorption board can reduce the noise generated by the staff stepping on the platform and the collision between the parts and the platform, reduce the influence on other staff on the floor, and improve the use experience of the device.

[0007] Preferably, the inner wall side of the well wall is fixedly installed with a sliding rail, and the sliding rail is connected with the groove on one side of the sound absorption board. The sliding rail and the groove on one side of the sound absorption board can improve the stability of the sound absorption board when placed in the well wall.

[0008] Preferably, the bottom of the steel sheet is fixedly installed with a cross beam, and the bottom of the cross beam is fixedly installed with a longitudinal beam. The cooperation of the cross beam and the longitudinal beam can improve the structural strength of the steel sheet.

[0009] Preferably, the top of the welding seat is fixedly installed with an inverted U-shaped lifting eye, and the outside of the inverted U-shaped lifting eye is provided with anti-skid lines. The inverted U-shaped lifting eye can provide a binding position for the rope, and external equipment can be used to pull the support structure to make it lift.

[0010] Preferably, the bottom of the stabilizing foot is fixedly installed with a limiting block, the bottom of the stabilizing foot is installed with an anti-skid pad, and the limiting block is in contact with the outside of the door hole. The stabilizing foot can be supported on the door hole, the limiting block can limit the position of the stabilizing foot on the door hole, and the sound absorption board can be stably placed in the elevator shaft hole through the support.

[0011] Preferably, a T-shaped bracket is fixedly installed between the vertical support and the inclined support, and the top of the T-shaped bracket is fixedly connected with the bottom of the steel sheet. The T-shaped bracket can improve the structural strength between the vertical support, the inclined support and the steel sheet, and improve the stability of the support structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、 The utility model discloses in the overhauling operation, through the protection net can intercept the screw of staff mistake falling, make the screw that falls limit at the top of sound absorption board, facilitate staff to look for, can also avoid the screw to fall to the well hole bottom simultaneously.

[0014] 2、 The utility model discloses utilize sound absorption board excellent sound absorption performance, can alleviate the noise that personnel tread on the support platform and the part and platform happen collision and produce, alleviate personnel when carrying out the influence of overhauling operation to other personnel of floor, improve the use experience of device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is the vertical frame, inclined frame structure schematic view of the utility model;

[0017] Figure 3 It is the sound absorption board local structure schematic view of the utility model;

[0018] Figure 4 It is the sound absorption board overhead structure schematic view of the utility model.

[0019] In the drawing: 1, shaft wall;101, elevator shaft hole;102, door hole;103, slide rail;2, sound absorption board;201, steel plate;202, crossbeam;203, longitudinal beam;3, mounting frame;301, protection net;4, vertical frame;5, inclined frame;6, stabilizing foot;601, limiting block;7, welding seat;701, inverted U type lifting ring;8, T type frame. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0021] Embodiment one

[0022] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the utility model provides a kind of elevator shaft safety protection device, including well wall 1, sound-absorbing board 2 and mounting bracket 3, the inside of well wall 1 is equipped with elevator shaft hole 101, and the inner wall side of well wall 1 is equipped with door hole 102, sound-absorbing board 2 is placed in the inside of well wall 1, the bottom of sound-absorbing board 2 is fixedly installed with steel plate 201, the top of sound-absorbing board 2 is fixedly installed with mounting bracket 3, and the inside of mounting bracket 3 is installed with protective net 301, the top of sound-absorbing board 2 two sides is fixedly installed with two groups of welding seat 7, the bottom of sound-absorbing board 2 one side is fixedly installed with vertical frame 4, the bottom of sound-absorbing board 2 other side is fixedly installed with inclined frame 5, and the bottom of vertical frame 4 and inclined frame 5 is fixedly installed with stabilizing foot 6.

[0023] The inner wall side of well wall 1 is fixedly installed with slide rail 103, and the slot of the side of sound-absorbing board 2 is connected with resistance, the bottom of steel plate 201 is fixedly installed with crossbeam 202, and the bottom of crossbeam 202 is fixedly installed with longitudinal beam 203, the top of welding seat 7 is fixedly installed with inverted U-shaped lifting ring 701, and the outside of inverted U-shaped lifting ring 701 is equipped with anti-skid line, the bottom of stabilizing foot 6 is fixedly installed with limit block 601, and the bottom of stabilizing foot 6 is installed with antiskid pad, and the outside of limit block 601 and door hole 102 is connected with resistance, and T-shaped frame 8 is fixedly installed between vertical frame 4 and inclined frame 5, and the top of T-shaped frame 8 is fixedly connected with the bottom of steel plate 201.

[0024] Working principle: when using, sound-absorbing board 2 can be placed in elevator shaft, and through the cooperation of stabilizing foot 6 and limit block 601, the bottom of support structure can be stably supported at door hole 102, and workers can enter sound-absorbing board 2 from door hole 102 to work, in the process of maintenance, the protective net 301 can intercept the screw dropped by workers by mistake, so that the dropped screw is limited on the top of sound-absorbing board 2, and workers can find it conveniently, and the dropped screw can also be prevented from falling to the bottom of shaft, and in the process of workers working, the excellent sound-absorbing performance of sound-absorbing board 2 can reduce the noise generated by workers stepping on platform and parts colliding with platform, reduce the influence on other workers on floor, and improve the use experience of device.

[0025] As shown in Figure 3 and Figure 4 , the stability of sound-absorbing board 2 when being placed in well wall 1 can be improved by the slot of the side of sound-absorbing board 2 being connected with resistance of slide rail 103; as shown in Figure 3 , the structural strength of steel plate 201 can be improved by the cooperation of crossbeam 202 and longitudinal beam 203; as shown in Figure 3 and Figure 4 , inverted U-shaped lifting ring 701 can provide binding position of rope, and external equipment can be conveniently used to pull support structure to make it lift; as shown in Figure 1 and Figure 2As shown, the stable feet 6 can be supported on the door opening 102, the limiting blocks 601 can limit the position of the stable feet 6 on the door opening 102, and the sound-absorbing plate 2 can be stably placed in the elevator shaft hole 101 through the support; as Figure 1 and Figure 2 As shown, the T-shaped frame 8 can improve the structural strength between the vertical frame 4, the inclined frame 5 and the steel plate 201, and improve the stability of the support structure.

[0026] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A safety protection device for elevator shafts, comprising a shaft wall (1), a sound-absorbing panel (2), and a mounting bracket (3), characterized in that: An elevator shaft opening (101) is provided inside the shaft wall (1), and a door opening (102) is provided on one side of the inner wall of the shaft wall (1). A sound-absorbing panel (2) is placed inside the shaft wall (1). A steel plate (201) is fixedly installed at the bottom of the sound-absorbing panel (2). A mounting frame (3) is fixedly installed at the top of the sound-absorbing panel (2), and a protective net (301) is installed inside the mounting frame (3). Two sets of welding seats (7) are fixedly installed on both sides of the top of the sound-absorbing panel (2). A vertical frame (4) is fixedly installed on one side of the bottom of the sound-absorbing panel (2), and a diagonal frame (5) is fixedly installed on the other side of the bottom of the sound-absorbing panel (2). Stable feet (6) are fixedly installed at the bottom of the vertical frame (4) and the diagonal frame (5).

2. The elevator shaft safety protection device according to claim 1, characterized in that: A slide rail (103) is fixedly installed on one side of the inner wall of the well wall (1), and the slide rail (103) is in contact with the groove on one side of the sound-absorbing plate (2).

3. The elevator shaft safety protection device according to claim 1, characterized in that: A crossbeam (202) is fixedly installed at the bottom of the steel plate (201), and a longitudinal beam (203) is fixedly installed at the bottom of the crossbeam (202).

4. The elevator shaft safety protection device according to claim 1, characterized in that: The top of the welding seat (7) is fixedly installed with an inverted U-shaped lifting ring (701), and the outside of the inverted U-shaped lifting ring (701) is provided with anti-slip texture.

5. The elevator shaft safety protection device according to claim 1, characterized in that: A limiting block (601) is fixedly installed at the bottom of the stabilizing foot (6), and an anti-slip pad is installed at the bottom of the stabilizing foot (6), and the limiting block (601) abuts against the outer side of the door opening (102).

6. The elevator shaft safety protection device according to claim 1, characterized in that: A T-shaped frame (8) is fixedly installed between the vertical frame (4) and the diagonal frame (5), and the top of the T-shaped frame (8) is fixedly connected to the bottom of the steel plate (201).

Citation Information

Patent Citations

  • Supporting device for elevator shaft maintenance

    CN216785374U