Protective dismantling auxiliary device for elevator shaft

By designing the elevator shaft protection and removal auxiliary device and using the frame and limit ring frame to form a triangular structure, the problems of cumbersome construction processes and high cost during the elevator shaft protection and removal process are solved, and the stability and convenience are improved.

CN223135609UActive Publication Date: 2025-07-22CHINA RAILWAY NO 5 ENGINEERING GROUP CO LTD +1
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Patent Information

Application Number
CN202421738853.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-07-22
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

During the protective demolition of existing elevator shafts, the method of setting up and dismantling scaffolding and cantilevered I-steel increases construction period, safety risks and material costs, and the construction process is complicated.

Method used

An auxiliary device for protection and removal of elevator shafts including frames, side guards, support plates and extension plates is designed, and a triangular structure is formed using moving wheels and limit ring frames to achieve stability and convenient removal.

Benefits of technology

Through the design of the triangular structure, the stability and convenience of elevator shaft protection and demolition are improved, construction processes are reduced, safety risks and material costs are reduced.

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Abstract

The utility model discloses an elevator shaft protection dismantling auxiliary device which comprises a machine frame and side protection frames, the front side and the rear side of the machine frame are fixedly connected with the side protection frames, the front end of the machine frame is telescopically connected with a supporting platen, the front end of the supporting platen is telescopically connected with an extension plate, and the extension plate is fixedly connected with the machine frame. And the upper end of the supporting table plate and a limiting supporting frame are arranged in a limiting mode through a connecting pull rod, the limiting supporting frame is installed on a limiting ring frame in a limiting mode, moving wheels are rotationally connected to the bottom of the rack, the limiting ring frame, the connecting pull rod and an extending plate form a triangular structure, and the connecting stability performance is improved. The utility model relates to an elevator shaft protection dismantling auxiliary device which achieves the purpose of auxiliary dismantling through the arrangement of the structure.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevator shaft construction equipment, in particular to an auxiliary device for elevator shaft protection demolition. Background Technique

[0002] In view of the phenomenon that the protection measures are simple and the safety risks are high during the demolition of elevator shaft protection in building construction projects, this patent can effectively assist the construction operations during the high-altitude operations in the shaft or the edge of the opening.

[0003] Generally, the construction of the main structure in the common elevator shaft adopts the method of erecting a scaffold or cantilevered I-beam. The horizontal protection requires hanging a horizontal safety net on the construction operation layer, and a rigid horizontal protection should be set every 2 floors and not more than 10 meters below the construction operation layer, or the method of passing the floor steel mesh through the elevator shaft can be used as the horizontal protection of the elevator shaft.

[0004] However, there are the following problems in the current elevator shaft protection demolition: The method of erecting a scaffold or cantilevered I-beam requires the erection and demolition of the scaffold and I-beam, and there are many horizontal protection construction processes, which increases the construction period, safety risks of the protection frame erection and demolition in the shaft, and the costs of manual erection and demolition and turnover material leasing, and improvement is needed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an auxiliary device for elevator shaft protection demolition to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An auxiliary device for elevator shaft protection demolition, including a frame and side protection frames. The front and rear sides of the frame are fixedly connected with side protection frames. The front end of the frame is telescopically connected with a support platform plate, and the front end of the support platform plate is telescopically connected with an extension plate. The upper end of the support platform plate is limited by a connecting pull rod and a limit support frame, and the limit support frame is limited and installed on a limit ring frame. The bottom of the frame is rotatably connected with moving wheels.

[0007] The limit ring frame, the connecting pull rod and the extension plate form a triangular structure to improve the stability of the connection.

[0008] Specifically, the frame is limited and supported by the side protection frames, and the tops of the side protection frames, the extension plate and the support platform plate are at the same horizontal position.

[0009] Specifically, the frame is convenient for displacement adjustment through the moving wheels.

[0010] Specifically, a plate body can be laid on the extension plate for support treatment.

[0011] Specifically, the frame is fixed to the wellhead through the side protection frames.

[0012] Specifically, a groove body for the support platen to move is provided inside the frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By installing the frame, moving wheels are provided at the lower end of the frame, which is convenient for moving and adjusting. Moreover, the side guard frame can be position-limited and fixed with the wellhead position, thereby performing the position-limiting work of the frame. A limit ring frame is provided on the frame, and a limit support frame is movably arranged on the limit ring frame. The limit support frame can be fixed later, thereby ensuring the stability of the position of the connecting pull rod. The extension plate, the support platen and the frame can be telescopically adjusted, so as to extend into the wellhead for convenient removal assistance work. Moreover, the connecting pull rod, the support platen and the limit ring frame as a whole form a triangular structure to ensure the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a top view of the main body of the present utility model;

[0016] Figure 2 is a side view of the main body of the present utility model;

[0017] Figure 3 is a structural schematic diagram of the second embodiment of the main body of the present utility model.

[0018] In the figure: 1 - frame; 2 - side guard frame; 3 - limit ring frame; 4 - limit support frame; 5 - connecting pull rod; 6 - extension plate; 7 - support platen; 8 - moving wheel; 9 - hydraulic guide seat; 10 - friction base; 11 - handrail; 12 - motor; 13 - displacement connecting block; 14 - lead screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment 1

[0021] Please refer to Figure 1-2, the present utility model provides a technical solution: an auxiliary device for elevator shaft protection demolition, including a frame 1 and side guard frames 2. The front and rear sides of the frame 1 are fixedly connected with side guard frames 2. The front end of the frame 1 is telescopically connected with a support platform plate 7, and the front end of the support platform plate 7 is telescopically connected with an extension plate 6. The upper end of the support platform plate 7 is limitedly arranged with a limit support frame 4 through a connecting pull rod 5, and the limit support frame 4 is limitedly installed on a limit ring frame 3. The bottom of the frame 1 is rotatably connected with moving wheels 8. By installing the frame 1 with moving wheels 8 at the lower end of the frame 1, it is convenient for moving and adjusting. And the side guard frames 2 can be limited and fixed with the wellhead position, so as to carry out the limiting work of the frame 1. A limit ring frame 3 is arranged on the frame 1, and a limit support frame 4 is movably arranged on the limit ring frame 3. The limit support frame 4 can be fixed later, so as to ensure the stability of the position of the connecting pull rod 5. The extension plate 6, the support platform plate 7 and the frame 1 can be telescopically adjusted, so as to extend into the wellhead interior, which is convenient for carrying out demolition assistance work. And the connecting pull rod 5, the support platform plate 7 and the limit ring frame 3 as a whole form a triangular structure to ensure the stability of the connection;

[0022] The limit ring frame 3, the connecting pull rod 5 and the extension plate 6 form a triangular structure to improve the stability of the connection.

[0023] The frame 1 is limitedly supported by the side guard frames 2, and the tops of the side guard frames 2, the extension plate 6 and the support platform plate 7 are at the same horizontal position.

[0024] The frame 1 is convenient for displacement adjustment through the moving wheels 8.

[0025] A plate body can be laid on the extension plate 6 to carry out support treatment.

[0026] The frame 1 is fixed with the wellhead through the side guard frames 2.

[0027] A groove body for the movement of the support platform plate 7 is arranged inside the frame 1.

[0028] Working principle: When work is needed, the user installs the frame 1. There are moving wheels 8 at the lower end of the frame 1, which is convenient for moving and adjusting. And the side guard frames 2 can be limited and fixed with the wellhead position, so as to carry out the limiting work of the frame 1. A limit ring frame 3 is arranged on the frame 1, and a limit support frame 4 is movably arranged on the limit ring frame 3. The limit support frame 4 can be fixed later, so as to ensure the stability of the position of the connecting pull rod 5. The extension plate 6, the support platform plate 7 and the frame 1 can be telescopically adjusted, so as to extend into the wellhead interior, which is convenient for carrying out demolition assistance work. And the connecting pull rod 5, the support platform plate 7 and the limit ring frame 3 as a whole form a triangular structure to ensure the stability of the connection, and the work is completed.

[0029] Embodiment 2

[0030] On the basis of Embodiment 1, as Figure 3As shown, a hydraulic guide seat 9 is installed in the center of the frame 1, and the lower end of the hydraulic guide seat 9 is telescopically connected to a friction base 10, an end of the frame 1 away from the limiting ring frame 3 is fixedly connected to a handrail 11, and the side end of the limiting support frame 4 is fixedly connected to a displacement connecting block 13, a screw rod 14 is threadedly connected to the displacement connecting block 13, and a motor 12 is installed at the bottom of the screw rod 14.

[0031] The hydraulic guide seat 9 can control the extension and contraction adjustment of the friction base 10, so as to provide stable support at the bottom. The armrest 11 is fixed on the frame 1 to facilitate the adjustment of the frame 1. At the same time, the motor 12 can be driven to drive the screw rod 14 to rotate. When the screw rod 14 rotates, it can drive the displacement connecting block 13 to adjust the displacement, thereby changing the position of the limit support frame 4 to achieve the purpose of height adjustment.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary device for the removal of elevator shaft protection, characterized in that: It comprises a frame (1) and a side guard frame (2), the front and rear sides of the frame (1) are fixedly connected to the side guard frame (2), the front end of the frame (1) is telescopically connected to a support plate (7), the front end of the support plate (7) is telescopically connected to an extension plate (6), the upper end of the support plate (7) is limitedly arranged with a limit support frame (4) through a connecting rod (5), and the limit support frame (4) is limitedly installed on a limit ring frame (3), and the bottom of the frame (1) is rotatably connected to a moving wheel (8); The limiting ring frame (3), the connecting rod (5) and the extension plate (6) form a triangular structure, thereby improving the stability of the connection.

2. An auxiliary device for the removal of elevator shaft protection according to claim 1, characterized in that: The frame (1) is supported by the side guard frame (2) in a limited position, and the side guard frame (2), the extension plate (6) and the top of the support platform (7) are at the same horizontal position.

3. The auxiliary device for removing the protection of the elevator shaft according to claim 2, wherein: The frame (1) can be easily adjusted in displacement by means of the moving wheels (8).

4. An auxiliary device for removing the protection of an elevator shaft according to claim 3, characterized in that: A board body can be laid on the extension board (6) to perform support treatment.

5. An auxiliary device for the removal of elevator shaft protection according to claim 4, characterized in that: The frame (1) is fixed to the wellhead via a side guard frame (2).

6. The auxiliary device for removing the protection of an elevator shaft according to claim 5, characterized in that: A trough body for supporting the movement of the table plate (7) is provided in the frame (1).

7. An auxiliary device for removing the protection of an elevator shaft according to claim 6, characterized in that: A hydraulic guide seat (9) is installed at the center of the frame (1), and the lower end of the hydraulic guide seat (9) is telescopically connected to a friction base (10). The end of the frame (1) away from the limit ring frame (3) is fixedly connected to a handrail (11), and the side end of the limit support frame (4) is fixedly connected to a displacement connecting block (13), and a screw rod (14) is threadedly connected to the displacement connecting block (13), and a motor (12) is installed at the bottom of the screw rod (14).