Maintenance crawling ladder for elevator

By designing a maintenance ladder for elevators with protective and positioning mechanisms, the lack of safety protection in existing technologies has been solved, and safety has been improved during maintenance.

CN223632865UActive Publication Date: 2025-12-05JINJIANG ANHAI LIBA MASCH CO LTD
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Patent Information

Application Number
CN202520153887.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-05
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The existing maintenance ladders for elevators lack safety protection for workers during maintenance, resulting in low safety during maintenance operations.

Method used

A maintenance ladder for elevators has been designed, comprising a mounting frame, a ladder body, a safety net, a safety door, a safety mechanism, and a positioning mechanism. Safety protection is provided by the safety rope and the positioning mechanism to ensure the safety of workers during the maintenance process.

Benefits of technology

The safety of staff during maintenance work has been improved. The installation of protective netting and ropes enhances safety during climbing, and the fixing mechanism of the protective gate ensures the safety of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of elevator maintenance, and provides a maintenance ladder stand for an elevator, which comprises a mounting frame consisting of a plurality of foundation frames, the crawling ladder body is fixedly mounted on the foundation frame and is used for a worker to climb to maintain the elevator; the protective screen plate is fixedly mounted on the foundation frame; the protective door is assembled on the foundation frame, and the protective door is used for protecting a climbing operator; and the protection mechanism is assembled on the foundation frame and is used for protecting workers during maintenance operation. According to the maintenance crawling ladder for the elevator, provided by the scheme, a worker can conveniently climb to maintain the elevator, safety protection can be provided when the worker carries out maintenance work through the arranged protection mechanism, and the safety of the worker during maintenance work is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the maintenance technical field of lift especially relates to a maintenance ladder for lift. BACKGROUND

[0002] The construction lift is the construction machinery of carrying people and goods in the building, and is comfortable and safe to ride due to the unique box structure, and in order to facilitate the maintenance work of the construction lift, the corresponding maintenance ladder for lift needs to be used.

[0003] The maintenance ladder for lift is convenient for the corresponding maintenance work of the construction lift, but some maintenance ladders for lift still have certain deficiencies in the actual use process, the function is relatively simple, and often only simple climbing effect can be played, and the safety of the workers in the maintenance process of the lift cannot be provided, thereby reducing the safety of the workers in the maintenance operation process. UTILITY MODEL CONTENTS

[0004] The utility model provides a maintenance ladder for lift, aims at solving the problem of lacking protection for workers of the maintenance ladder for lift currently used in the above background art.

[0005] In order to solve the above problems, the utility model is realized in this way, a maintenance ladder for lift, comprising: a mounting frame, the mounting frame is composed of multiple base frames; a ladder body fixedly installed on the base frame, the ladder body is used for workers to climb and maintain the lift; a protective net plate fixedly installed on the base frame; a protective door assembled on the base frame, the protective door is used for protecting the climbing workers; a protection mechanism assembled on the base frame, the protection mechanism is used for protecting the workers during maintenance work; a positioning mechanism assembled on the base frame and the protection mechanism, the positioning mechanism is used for positioning and fixing the protection mechanism.

[0006] Preferably, the protection mechanism comprises: a placing frame fixedly installed on the base frame; an installation shaft rotatably installed on the placing frame through a damping rotating shaft; a winch fixedly sleeved on the installation shaft; a protective rope wound on the winch, the protective rope is used for pulling protection when the workers maintain work.

[0007] Preferably, the positioning mechanism comprises: a connecting frame fixedly installed on the placing frame; a lead screw screwedly installed on the connecting frame; a clamping block fixedly installed on the lead screw; a positioning hole opened in the installation shaft, the positioning hole and the clamping block are adaptively connected.

[0008] Preferably, a fixing mechanism is arranged on the base frame and the protective door, and the fixing mechanism is used for fixing the protective door, and the fixing mechanism comprises a first positioning block fixedly installed on the protective door, a second positioning block fixedly installed on the base frame, and a positioning pin arranged on the first positioning block and the second positioning block and penetrating through the first positioning block and the second positioning block.

[0009] Preferably, a handrail is fixedly installed on the ladder body, and the handrail is used for pulling the upper ladder body during the upward climbing of the maintenance staff.

[0010] Preferably, the base frame comprises a protective net, and the protective net is fixedly installed on the base frame and used for protecting the maintenance staff.

[0011] Preferably, an operation opening is arranged on the protective door, a hook is fixedly installed on the protective door and located below the operation opening, and a display card is arranged on the hook.

[0012] Compared with the related art, the maintenance ladder for the elevator has the following beneficial effects:

[0013] Compared with the prior art, the maintenance ladder for the elevator provided by the present scheme has the following advantages:

[0014] Through the interaction of the base frame and the ladder body, the maintenance staff can conveniently climb the ladder to perform the maintenance operation on the elevator, and the protective mechanism can provide safety protection when the maintenance staff performs the maintenance work, thereby improving the safety of the maintenance staff during the maintenance operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of the maintenance ladder for the elevator provided by the present application;

[0016] Figure 2 is a front view structural schematic diagram of the present application;

[0017] Figure 3 is an enlarged structural schematic diagram of the A part shown in Figure 2

[0018] Figure 4 is an enlarged structural schematic diagram of the B part shown in Figure 2

[0019] Figure 5 is an enlarged structural schematic diagram of the C part shown in Figure 1

[0020] Figure 6 is a top view structural schematic diagram of the base frame, the support net plate and the ladder body in the present application.​​​

[0021] Figure 7 It is three-dimensional structure schematic view of the screw rod and the positioning block in the utility model.

[0022] The drawing figure mark: 1, mounting frame;101, base frame;102, protective net;2, ladder body;3, protective net board;4, protective door;5, protection mechanism;501, placing frame;502, mounting shaft;503, capstan;504, protective rope;6, positioning mechanism;601, connecting frame;602, screw rod;603, clamping block;604, positioning hole;7, first positioning block;8, second positioning block;9, positioning bolt;10, handrail;11, operation port;12, show card. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the description and the drawings are to be regarded as illustrative in nature and are not intended to limit the application; the terminology used in the description and the claims of the present application and the above description of the drawings includes the terms specifically mentioned above as well as their derivatives.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0025] The utility model embodiment provides a kind of maintenance ladder for elevator, such as Figures 1-7As shown, the maintenance ladder for the elevator comprises: a mounting frame 1 composed of a plurality of base frames 101; a ladder body 2 fixedly mounted on the base frame 101 and used for a worker to climb for maintenance work on the elevator; a protective net plate 3 fixedly mounted on the base frame 101; a protective door 4 assembled on the base frame 101 and used for protecting the worker who climbs; a protection mechanism 5 assembled on the base frame 101 and used for protecting the worker during maintenance work; and a positioning mechanism 6 assembled on the base frame 101 and the protection mechanism 5 and used for positioning and fixing the protection mechanism 5.

[0026] In the embodiment, the plurality of base frames 101 are mounted on one side of the elevator, when the elevator fails and the worker needs to perform maintenance work on the elevator, the worker opens the protective door 4 on the lowermost base frame 101 and enters the base frame 101, and then continuously climbs upward through the plurality of ladder bodies 2 on the plurality of base frames 101, so that the worker climbs to the corresponding maintenance position, operates the positioning mechanism 6 to release the fixing of the protection mechanism 5, then releases the protection rope 504 on the protection mechanism 5, releases the protection rope 504 to a certain length, fixes the protection mechanism 5 again through the positioning mechanism 6, then fixes the protection rope 504 on the body, and then opens the protective door 4, so as to perform maintenance work on the elevator. The whole device is convenient for the worker to climb and perform maintenance work on the elevator, can provide safety protection for the worker during maintenance work, improves the safety of the worker during maintenance work, and can separate the plurality of base frames 101 under the action of the protective net plate 3, so as to play a safety protection role during the climbing of the worker. The plurality of ladder bodies 2 on the plurality of base frames 101 are arranged in a staggered manner, and the plurality of protective net plates 3 are also arranged in a staggered manner, so as to facilitate the worker to climb from the ladder body 2 on one base frame 101 to the ladder body 2 on another base frame 101.

[0027] In the further preferred embodiment of the utility model, the protection mechanism 5 comprises: a placing frame 501 fixedly mounted on the base frame 101; an installation shaft 502 rotatably mounted on the placing frame 501 through a damping rotating shaft; a winch 503 fixedly sleeved on the installation shaft 502; and a protection rope 504 wound on the winch 503, which is used for pulling protection during maintenance work of the worker.

[0028] In the embodiment, when the protection mechanism 5 is used, the positioning mechanism 6 is operated to be disengaged from the fixing of the mounting shaft 502, and then the mounting shaft 502 is rotated to release the protection rope 504; when the protection rope 504 is released to a certain length, the positioning mechanism 6 is used to fix the protection mechanism 5 again, then the staff member fixes the protection rope 504 on the body, and then the protection door 4 is opened, so that the maintenance work of the elevator is performed, the safety protection is provided when the staff member performs the maintenance work, and the safety of the staff member during the maintenance work is improved.

[0029] In the further preferable embodiment of the utility model, the positioning mechanism 6 comprises: a connecting frame 601 fixedly installed on the placing frame 501; a lead screw 602 screwedly installed on the connecting frame 601; a clamping block 603 fixedly installed on the lead screw 602; and a positioning hole 604 opened on the mounting shaft 502, the positioning hole 604 and the clamping block 603 are adaptively connected.

[0030] In the embodiment, when the positioning mechanism 6 is used, the lead screw 602 is rotated to drive the clamping block 603 to move and be disengaged from the positioning hole 604, so that the positioning of the mounting shaft 502 can be disengaged; when the mounting shaft 502 needs to be fixed, the position of the mounting shaft 502 is finely adjusted, the positioning hole 604 is adjusted to the position corresponding to the clamping block 603, then the lead screw 602 is reversely rotated to drive the clamping block 603 to move and be connected with the positioning hole 604, so that the mounting shaft 502 is fixed.

[0031] In the further preferable embodiment of the utility model, the base frame 101 and the protection door 4 are provided with a fixing mechanism, the fixing mechanism is used to fix the protection door 4, and the fixing mechanism comprises: a first positioning block 7 fixedly installed on the protection door 4; a second positioning block 8 fixedly installed on the base frame 101; and a positioning bolt 9 arranged on the first positioning block 7 and the second positioning block 8, the positioning bolt 9 penetrates through the first positioning block 7 and the second positioning block 8.

[0032] In the embodiment, when the protection door 4 needs to be closed and fixed, the positioning bolt 9 is penetrated through the first positioning block 7 and the second positioning block 8, so that the protection door 4 is fixed, and the safety protection during the climbing of the staff member is realized; and the protection door 4 is also conveniently opened through the fixing mechanism, so that the staff member can conveniently perform the maintenance work of the lifting mechanism.

[0033] In the further preferable embodiment of the utility model, a handrail 10 is fixedly installed on the ladder body 2, and the handrail 10 is used to pull the upper ladder body 2 during the upward climbing of the maintenance staff member.

[0034] In the embodiment, when the worker is climbing from the ladder body 2 on one base frame 101 to the ladder body 2 on another base frame 101, the worker can conveniently exert upward force through the handrails 10, and conveniently climb from one ladder body 2 to another ladder body 2.

[0035] In further preferable embodiments of the utility model, the base frame 101 comprises a protective net 102, the protective net 102 is fixedly installed on the base frame 101, and the protective net 102 is used for protecting the workers during construction.

[0036] In the embodiment, the protective net 102 is used for protecting the workers during construction, and the protective net 102 is arranged to facilitate the workers to view the external conditions.

[0037] In further preferable embodiments of the utility model, the protective door 4 is provided with an operation opening 11, a hook is fixedly installed on the protective door 4, the hook is located below the operation opening 11, and a display board 12 is arranged on the hook.

[0038] In the embodiment, the display board 12 can display the working state, the display board 12 is provided with a maintenance character, so that the workers on the ground can know the construction position above, the operation opening 11 facilitates the hanging operation of the display board 12, and the display board 12 can be conveniently recycled.

[0039] In summary, compared with the related art, the interaction between the base frame 101 and the ladder body 2 facilitates the workers to climb and maintain the elevator, the protective mechanism 5 can provide safety protection when the workers are maintaining, and the safety of the workers during maintenance is improved.

[0040] In several embodiments provided in the application, it should be understood that the disclosed device can be implemented in other ways.

[0041] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit the protection scope of the utility model. Obviously, the described embodiments are only some but not all of the embodiments of the utility model. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the utility model. Although the utility model is described in detail with reference to the above embodiments, those of ordinary skill in the art can combine, delete or make other adjustments to the features in the embodiments of the utility model according to the circumstances without creative work, so as to obtain different other technical solutions which do not deviate from the concept of the utility model in essence, and these technical solutions also fall within the protection scope of the utility model.

Claims

1. A maintenance ladder for an elevator, characterized in that The utility model relates to a kind of installation frame for maintenance of elevator, which comprises: A mounting frame composed of a plurality of base frames; A ladder body fixedly mounted on the base frame for a worker to climb for maintenance work; A protective net plate fixedly mounted on the base frame; A protective door assembled on the base frame for protecting the worker climbing; A protective mechanism assembled on the base frame for protecting the worker during maintenance work; A positioning mechanism assembled on the base frame and the protective mechanism for positioning and fixing the protective mechanism.

2. The maintenance ladder for an elevator according to claim 1, characterized by The protective mechanism comprises: A placing rack fixedly mounted on the base frame; A mounting shaft rotatably mounted on the placing rack by a damping pivot; A winch fixedly sleeved on the mounting shaft; A protective rope wound on the winch for pulling protection when the worker is performing maintenance work.

3. The maintenance ladder for an elevator according to claim 2, wherein The positioning mechanism comprises: A connecting rack fixedly mounted on the placing rack; A lead screw screwedly mounted on the connecting rack; A clamping block fixedly mounted on the lead screw; A positioning hole opened in the mounting shaft, which is adaptedly connected with the clamping block.

4. The maintenance cat ladder for an elevator as recited in claim 1, wherein The base frame and the protective door are provided with a fixing mechanism for fixing the protective door, which comprises: A first positioning block fixedly mounted on the protective door; A second positioning block fixedly mounted on the base frame; A positioning bolt provided on the first positioning block and the second positioning block, which penetrates the first positioning block and the second positioning block.

5. The maintenance cat ladder for an elevator as recited in claim 1, wherein The ladder body is fixedly provided with a handrail for pulling the upper ladder body during the upward climbing of the maintenance worker.

6. The maintenance cat ladder for an elevator as recited in claim 1, wherein The base frame comprises a protective net fixedly mounted thereon for protecting the worker during construction.

7. The maintenance cat ladder for an elevator as recited in claim 1, wherein The protective door is provided with an operation opening, a hook fixedly mounted thereon below the operation opening, and a display card provided on the hook.