Elevator shaft anti-falling device

By designing the adjustment components of the frame and skeleton, the problem of inconvenient adjustment of the elevator shaft protective skeleton is solved, and the function of efficient installation and adaptation to different elevator shaft sizes is achieved, which improves the operating efficiency.

CN223133827UActive Publication Date: 2025-07-22CHINA SILK ROAD CONSTR INVESTMENT GRP CO LTD
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Patent Information

Application Number
CN202421387229.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-07-22
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The existing elevator shaft protective skeleton is inconvenient for adjustment, resulting in inefficient installation.

Method used

An adjustment component including a frame, a skeleton, a slide rod, a safety net hook and a fixing plate is designed to fix the skeleton length through friction limits to adapt to elevator shafts of different sizes and simplify the installation process.

Benefits of technology

It improves the installation efficiency of elevator shaft protection devices, reduces the operating volume of operators, and adapts to the needs of elevator shafts of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of elevator shafts, and discloses an elevator shaft anti-falling device which comprises an adjusting assembly. According to the adjusting assembly, a frame body is arranged on the inner side of an elevator shaft; the sliding grooves are symmetrically formed in the top of the frame body. The frameworks are symmetrically arranged on the inner side of the frame body; the sliding rods are symmetrically arranged on the framework and penetrate through the sliding grooves. The safety net hooks are symmetrically arranged at the top of the framework; according to the anti-falling device for the elevator shaft, the frameworks on the two sides of the frame body are unfolded, then the lengths of the frameworks on the two sides are adjusted according to the size of the elevator shaft, and the frameworks and the inner side of the frame body are limited and fixed in a friction force mode; according to the device, the lengths of the frameworks on the two sides can be conveniently adjusted so that the device can adapt to elevator shafts of different sizes, the workload of operators is reduced, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator shafts, in particular to an anti-falling device for elevator shafts. Background Technique

[0002] An elevator shaft is a shaft for installing an elevator. The size of the shaft is determined according to the elevator type selection. Elevator rails and counterweight rails are installed on the shaft wall, elevator doors are installed in the reserved door openings, and an elevator machine room is provided at the top of the shaft.

[0003] The protection of the elevator shaft opening is the key point of construction site safety protection and also a high-incidence area of high-altitude falling safety accidents. The current industry standard has clear regulations on the protection inside the elevator shaft: horizontal partitions and safety nets should be set every 2 floors and ≤ 10m inside the elevator shaft to prevent high-altitude falling.

[0004] When installing the safety net, the skeleton needs to be installed inside the elevator shaft. Since the sizes of elevator shafts are different, the existing skeletons are not convenient to adjust, so that operators need to spend a lot of time debugging, affecting the operation efficiency. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides an anti-falling device for elevator shafts, which has the advantage of being convenient to adjust, and solves the problem that the existing skeleton for placing the safety net is not convenient to adjust and affects the operation efficiency.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: an anti-falling device for elevator shafts, including an adjustment component; the adjustment component includes: an elevator shaft, with a frame body arranged inside it; chutes, symmetrically opened at the top of the frame body; skeletons, symmetrically arranged inside the frame body; sliding rods, symmetrically arranged on the skeletons and passing through the chutes; safety net hooks, symmetrically arranged at the top of the skeletons; and fixing plates, arranged on the skeletons and bolted to the elevator shaft.

[0009] In some embodiments, an auxiliary component is arranged inside the elevator shaft, and the auxiliary component includes; a convex block, arranged on the skeleton; and a slot, opened on the skeleton.

[0010] In some embodiments, the auxiliary component further includes; a groove, clamped on the skeleton and hinged to the convex block.

[0011] In some embodiments, the auxiliary component further includes; an anti-slip pad, arranged inside the slot.

[0012] In some embodiments, the auxiliary component further includes a chute formed on the bump.

[0013] In some embodiments, the auxiliary component further includes a scale provided on the framework.

[0014] In some embodiments, the bottom of the safety net hook is provided with a thread.

[0015] In some embodiments, the frame body is bolted to the elevator shaft.

[0016] (III) Advantageous Effects

[0017] Compared with the prior art, the present utility model provides an anti-falling device for an elevator shaft, which has the following advantageous effects:

[0018] For the anti-falling device of the elevator shaft, the frameworks on both sides of the frame body are unfolded, and then the lengths of the frameworks on both sides are adjusted according to the size of the elevator shaft. The inner sides of the frameworks and the frame body are limited and fixed by means of friction, and then the frameworks are fixed to the inner wall of the elevator shaft through the fixing plates. The device is convenient for adjusting the lengths of the frameworks on both sides to adapt to elevator shafts of different sizes, and is also convenient for carrying and storing, reducing the workload of operators and increasing the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic top view structural diagram of the frame body of the present utility model;

[0021] Figure 3 is a schematic side view structural diagram of the framework of the present utility model.

[0022] In the figure:

[0023] 1. Adjusting component; 11. Elevator shaft; 12. Frame body; 121. Chute; 13. Framework; 14. Slide bar; 15. Safety net hook; 16. Fixing plate;

[0024] 2. Auxiliary component; 21. Bump; 22. Slot; 23. Groove; 24. Anti-slip pad; 25. Chute; 26. Scale. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0026] It should be noted that all the directional indicators in the embodiments of the present application are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture. If this specific posture changes, the directional indicators will change accordingly.

[0027] In the present application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0028] An elevator shaft is a shaft for installing an elevator. The size of the shaft is determined according to the elevator type selection. Elevator tracks and counterweight tracks are installed on the shaft wall, elevator doors are installed in the reserved door openings, and an elevator machine room is provided at the top of the shaft.

[0029] In the related art, the protection of the elevator shaft opening is the focus of construction site safety protection and also a high-incidence area of high-altitude fall safety accidents. The current industry standard has clear regulations on the protection inside the elevator shaft: horizontal partitions and safety nets should be set every 2 floors and ≤ 10m inside the elevator shaft to prevent high-altitude falls.

[0030] To solve the problems in the related art to a certain extent, the embodiments of the present application provide an anti-fall device for an elevator shaft. When in use, only need to unfold the skeletons 13 on both sides of the frame body 12, and then adjust the lengths of the skeletons 13 on both sides according to the size of the elevator shaft 11. The inner sides of the skeletons 13 and the frame body 12 are limited and fixed by means of friction, and then the skeletons 13 are fixed to the inner wall of the elevator shaft 11 through the fixing plates 16. This device is convenient for adjusting the lengths of the skeletons 13 on both sides to adapt to elevator shafts 11 of different sizes, and is also convenient for handling and storage, reducing the workload of operators and increasing the operation efficiency.

[0031] The present application will be described below with reference to the accompanying drawings and specific embodiments:

[0032] Combined with Figures 1 - 3 , the embodiments of the present application provide an anti-fall device for an elevator shaft, including an adjustment component 1; the adjustment component 1 includes: a frame body 12 is arranged inside the elevator shaft 11; sliding grooves 121 are symmetrically opened at the top of the frame body 12; skeletons 13 are symmetrically arranged inside the frame body 12; sliding rods 14 are symmetrically arranged on the skeletons 13 and pass through the sliding grooves 121; safety net hooks 15 are symmetrically arranged at the tops of the skeletons 13; fixing plates 16 are arranged on the skeletons 13 and are bolted to the elevator shaft 11.

[0033] First, close the symmetrically arranged frameworks 13 inside the frame body 12. Combine the two frameworks 13 and limit and fix them to the inner wall of the frame body 12 by means of friction, which is convenient for handling. Then carry it to the designated position, and then unfold the frameworks 13 on both sides. Since the chute 121 is opened at the top of the frame body 12 and the slide bars 14 symmetrically arranged on both sides of the framework 13 slide inside the chute 121, the positions of the frameworks 13 on both sides can be adjusted to achieve the effect of adapting to elevator shafts 11 of different sizes. Then fix the fixing plate 16 and the framework 13 to the inner wall of the elevator shaft 11 through bolts, and then hang the safety net on the safety net hooks 15. In this way, the installation is completed. This device is convenient for adjusting the lengths of the frameworks 13 on both sides to adapt to elevator shafts 11 of different sizes, and is also convenient for handling and storage, reducing the workload of operators and increasing the operation efficiency.

[0034] In some embodiments, an auxiliary component 2 is provided inside the elevator shaft 11. The auxiliary component 2 includes: a convex block 21 is provided on the framework 13; a slot 22 is opened on the framework 13.

[0035] During installation, dock the slot 22 opened at one end of a group of frameworks 13 with the convex block 21 provided at one end of another group of frameworks 13, so that the four groups of frameworks 13 provided on the inner wall of the elevator shaft 11 form a whole, which can increase the structural strength of the frameworks 13.

[0036] In some embodiments, the auxiliary component 2 further includes: a groove 23 is clamped on the framework 13 and is hinged to the convex block 21.

[0037] Open a groove 23 at one end of one side of the framework 13 and hinge it to the convex block 21, so that the convex block 21 can be rotated and retracted, so that it can be inserted into the groove 23 opened at one end of the framework 13 on the other side, increasing the mechanical stability of the framework 13.

[0038] In some embodiments, the auxiliary component 2 further includes: an anti-slip pad 24 is provided inside the slot 22.

[0039] An anti-slip pad 24 is provided inside the slot 22. In this way, when the convex block 21 is inserted into the slot 22, the slot 22 and the convex block 21 can be docked more stably by increasing the friction force, increasing the structural stability of the device.

[0040] In some embodiments, the auxiliary component 2 further includes: an inclined slot 25 is opened on the convex block 21.

[0041] An inclined groove 25 is provided at one end of the bump 21. In this way, when inserting into the inner side of the slot 22, the inclined groove 25 at one end of the bump 21 can make the bump 21 more conveniently inserted into the inner side of the slot 22, increasing the operation efficiency.

[0042] In some embodiments, the auxiliary component 2 further includes; a scale 26 is provided on the skeleton 13.

[0043] A scale 26 is provided on the top of the skeleton 13. In this way, the positions of the two side skeletons 13 can be accurately adjusted according to the setting of the scale, without the need for multiple debuggings, making it more convenient to use and increasing the efficiency.

[0044] In some embodiments, a thread is provided at the bottom of the safety net hook 15.

[0045] The bottom of the safety net hook 15 is provided with a thread. In this way, the safety net hook 15 can be detached from the top of the skeleton 13 by screwing it for replacement or storage, playing a protective role for the parts.

[0046] In some embodiments, the frame 12 and the elevator shaft 11 are connected by bolts.

[0047] The frame 12 and the elevator shaft 11 are set to be connected by bolts. In this way, the structural strength of the frame 12 can be increased, and at the same time, the mechanical strength of the two side skeletons 13 can be increased.

[0048] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0049] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those skilled in the art can implement it. When the combination of the technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0050] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-falling device for an elevator shaft, characterized in that: Comprising an adjustment assembly (1); the adjustment assembly (1) includes: An elevator shaft (11), with a frame (12) provided on its inner side; Chute grooves (121), symmetrically opened at the top of the frame (12); Skeletons (13), symmetrically arranged inside the frame (12); Slide rods (14), symmetrically arranged on the skeletons (13) and passing through the chute grooves (121); Safety net hooks (15), symmetrically arranged at the top of the skeletons (13); Fixed plates (16), arranged on the skeletons (13) and bolted to the elevator shaft (11).

2. The anti-falling device for an elevator shaft according to claim 1, characterized in that: An auxiliary assembly (2) is provided inside the elevator shaft (11), and the auxiliary assembly (2) includes; Protrusions (21), arranged on the skeletons (13); Slots (22), opened on the skeletons (13).

3. The anti-falling device for elevator shaft according to claim 2, wherein: The auxiliary assembly (2) further includes; Grooves (23), clamped to the skeletons (13) and hinged to the protrusions (21).

4. The anti-falling device for elevator shaft according to claim 3, characterized in that: The auxiliary assembly (2) further includes; Anti-slip pads (24), arranged inside the slots (22).

5. The anti-falling device for elevator shaft according to claim 4, characterized in that: The auxiliary assembly (2) further includes; Inclined grooves (25), opened on the protrusions (21).

6. The anti-falling device for an elevator shaft according to claim 5, wherein: The auxiliary assembly (2) further includes; Scales (26), arranged on the skeletons (13).

7. The anti-falling device for elevator shaft according to claim 6, wherein: Threads are provided at the bottom of the safety net hooks (15).

8. The anti-falling device for elevator shaft according to claim 7, characterized in that: The frame (12) is bolted to the elevator shaft (11).