Elevator device of high-rise building outer wall cleaning machine

The electromechanical integration design of the lifting device solves the safety and efficiency problems of cleaning the exterior walls of high-rise buildings, realizes automated cleaning, and improves safety and work efficiency.

CN223944377UActive Publication Date: 2026-02-27QIQIHAR UNIVERSITY
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Patent Information

Application Number
CN202520311426.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-02-27
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Existing methods for cleaning the exterior walls of high-rise buildings suffer from poor safety and low efficiency, especially the traditional "spider-man" cleaning method which carries the risk of working at heights.

Method used

The lifting device of the high-rise building exterior wall cleaning machine realizes electromechanical integration. It uses a three-phase asynchronous motor to drive a worm gear reducer and a hydraulic cylinder system, combined with a wire rope and pulley mechanism, to realize the automatic lifting and position adjustment of the cleaning device.

Benefits of technology

It achieves unmanned cleaning, is safe and reliable, and has high work efficiency. It can clean 600-800m2 per hour, avoids the risks of working at height, and has a simple structure, is easy to operate, and has low cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an elevator device of a high-rise building outer wall cleaning machine, which comprises a bottom plate, a three-phase asynchronous motor is fixed on the bottom plate, and the driving end of the three-phase asynchronous motor is fixed with a worm shaft in a worm gear reducer; two sets of winding drum supports are fixed on two sides of the worm gear reducer and on the bottom plate, and winding drums are mounted on the winding drum supports; the drum shafts are fixed with the worm wheel shaft; short shafts are mounted on one side of the end part of the winding drum and in the winding drum support; the short shafts are fixed with the winding drum shafts on the respective sides; two lever arm supports are fixed at the front ends of the two winding drums and on the bottom plate; two adjusting rod arm supports are fixed at the front ends of the two rod arm supports and on the bottom plate; the lever arm support is hinged to one end of a lever arm, the adjusting lever arm support is hinged to a cylinder body of a hydraulic cylinder, and the end of a piston rod of the hydraulic cylinder is hinged to the middle of the lever arm. A steel wire rope is wound on the winding drum and bypasses the pulley, and a lifting hook is fixed at the end part of the steel wire rope. Unmanned cleaning is adopted, safety and reliability are achieved, and working efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a hoist device of high-rise building outer wall cleaning machine belongs to wall cleaning tool technical field. BACKGROUND

[0002] With the continuous progress of society, the continuous expansion of city scale, city building is more normative, various high-rise building outer walls of all kinds of shapes use different building materials to decorate, such as sticking various wall bricks, ceramic tiles, mosaics or painting, but, the wind and rain, sunlight radiation, dust pollution in nature, and some human or accidental reasons, after a period of time, the building surface will become dirty and dark in varying degrees, dilapidated, in the area of poor environment, pollution or damage is quite serious, the existing outer wall cleaning is all traditional "spiderman" cleaning, belongs to high-altitude operation, the security is poor, the safety measure is not perfect, the safety of staff cannot be effectively guaranteed, and the work efficiency is low. UTILITY MODEL CONTENTS

[0003] In order to overcome the insufficient of prior art, the utility model provides a hoist device of high-rise building outer wall cleaning machine, the device realizes mechatronics, the outer wall cleaning machine using the hoist device realizes unmanned cleaning, safe and reliable, high work efficiency.

[0004] The utility model solves technical scheme that its technical problem adopts: a hoist device of high-rise building outer wall cleaning machine, including bottom plate, one side on the bottom plate is fixed with a three-phase asynchronous motor, the drive end of three-phase asynchronous motor is fixedly connected with the worm shaft in the worm and gear reducer through the shaft coupling, and the worm and gear reducer is equipped with matched brake, on the both sides of the worm and gear reducer, the bottom plate is fixed with two sets of reel support, and a reel is installed on the reel support, the reel shaft in the reel is fixedly connected with the worm shaft in the worm and gear reducer, and the worm shaft is double output shaft, on one side at the end of reel, a short shaft is installed in the reel support, and the short shaft is fixedly connected with the reel shaft on the respective side, on the front end of two reels, the bottom plate is fixed with two interval lever arm supports, on the front end of two lever arm supports, the bottom plate is fixed with two interval adjusting lever arm supports, the lever arm support is hinged with one end of lever arm, the adjusting lever arm support is hinged with the cylinder body of hydraulic cylinder, and the end of the piston rod of hydraulic cylinder is hinged with the middle position of lever arm, the other end of lever arm is installed with pulley, the steel wire rope is wound on the reel, the steel wire rope passes through the pulley, and the end of steel wire rope is fixed with lifting hook.

[0005] Further, the hydraulic cylinder is arranged obliquely, the cylinder body of the hydraulic cylinder is away from the lever arm support, and the piston end of the hydraulic cylinder is close to the lever arm support.

[0006] Further, the rod arm supports on each side are arranged at intervals with the adjusting rod arm supports, and the rod arm supports on each side and the adjusting rod arm supports are on the same center line.

[0007] Further, a needle roller bearing is installed in the pulley.

[0008] Further, a deep groove ball bearing and a bearing cover are installed on the short shaft.

[0009] Further, four casters with locks are installed below the bottom plate.

[0010] The beneficial effects of the utility model are: the utility model changes the high-risk operation phenomenon of manual lifting and pulling cleaning for many years, effectively avoids the risk of high-altitude operation of workers, realizes mechatronics, realizes unmanned cleaning of the external wall cleaning machine adopting the elevator device, is safe and reliable, has high work efficiency, and can clean wall surface 600-800m 2 for one hour; the device has the advantages of simple structure, reasonable design, convenient operation, high practicability and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model is further described below in combination with the drawings and specific embodiments.

[0012] Figure 1 is the structural schematic diagram of the utility model.

[0013] Figure 2 is the schematic diagram of the bottom plate of the utility model.

[0014] Figure 3 is the schematic diagram of the lifting hook of the utility model.

[0015] Figure 4 is the schematic diagram of the short shaft of the utility model.

[0016] Figure 5 is the schematic diagram of the rod arm of the utility model.

[0017] Figure 6 is the schematic diagram of the pulley of the utility model.

[0018] Figure 7 is the schematic diagram of the winding drum of the utility model.

[0019] Figure 8 is the control circuit diagram of the utility model.

[0020] Mark in the drawing:

[0021] 1, three-phase asynchronous motor, 2, bottom plate, 3, hook, 4, short shaft, 5, lever arm, 6, pulley, 7, drum, 8, worm reducer, 9, drum support, 10, lever arm support, 11, adjust lever arm support, 12, steel wire rope, 13, hydraulic cylinder. DETAILED DESCRIPTION

[0022] As Figure 1 A high-rise building outer wall cleaning machine lifting device, as shown in 8, including a bottom plate 2, one side of the bottom plate 2 is fixed with a three-phase asynchronous motor 1, the driving end of the three-phase asynchronous motor 1 is fixedly connected with the worm shaft in the worm reducer 8 through the shaft coupling, and the worm reducer 8 is provided with a matched brake; on both sides of the worm reducer 8, two sets of drum supports 9 are fixed on the bottom plate 2, and a drum 7 is installed on each drum support 9; the drum shaft in the drum 7 is fixedly connected with the worm shaft in the worm reducer 8, and the worm shaft is a double-output shaft; on one side of the end of the drum 7, a short shaft 4 is installed in the drum support 9, and the short shaft 4 is fixedly connected with the drum shaft on the respective side, and the short shaft 4 is provided with a deep groove ball bearing and a bearing cover; at the front ends of the two drums 7, two spaced lever arm supports 10 are fixed on the bottom plate 2; at the front ends of the two lever arm supports 10, two spaced adjust lever arm supports 11 are fixed on the bottom plate 2; the lever arm support 10 and the adjust lever arm support 11 on each side are spaced apart, and the lever arm support 10 and the adjust lever arm support 11 on each side are on the same center line; the lever arm support 10 is hinged to one end of the lever arm 5, the adjust lever arm support 11 is hinged to the cylinder body of the hydraulic cylinder 13, and the end of the piston rod of the hydraulic cylinder 13 is hinged to the middle position of the lever arm 5; the hydraulic cylinder 13 is arranged obliquely, the cylinder body of the hydraulic cylinder 13 is away from the lever arm support 10, and the piston end of the hydraulic cylinder 13 is close to the lever arm support 10; the other end of the lever arm 5 is provided with a pulley 6, and a needle bearing is installed in the pulley 6; a steel wire rope 12 is wound on the drum 7, the steel wire rope 12 passes through the pulley 6, and the end of the steel wire rope 12 is fixed with a hook 3; four locking casters are installed below the bottom plate 2.

[0023] Before work, the cleaning device of the cleaning machine is on the ground, and the elevator device of the cleaning machine is on the top of the high-rise building. The cleaning device uses existing products on the market, and the elevator device can be matched with various existing cleaning device products on the market. During use, first, adjust the position of the elevator device and lock the casters, then release the hooks on both sides 3 to the ground to complete the connection with the cleaning device; start the three-phase asynchronous motor 1 to make it rotate forward, the output end of the three-phase asynchronous motor 1 drives the worm shaft in the worm and gear reducer 8 to rotate through the shaft coupling, the worm drives the worm gear to rotate, the worm gear drives the worm shaft and the spool shaft and short shaft 4 on both sides to rotate under the support of the deep groove ball bearing, and the spool 7 rotates under the action of the pulley 6, the two spools 7 continuously wind the corresponding steel wire ropes 12 on both sides to make the cleaning device quickly rise to the predetermined position, stop the three-phase asynchronous motor 1, and brake the brake to prevent the cleaning device from descending under the action of gravity; under the hinged action of the lever arm 5 and the lever arm support 10, the piston rod end of the hydraulic cylinder 13, and the hinged action of the adjusting lever arm support 11 and the cylinder body of the hydraulic cylinder 13, the position of the lifting lever arm 5 is adjusted by the extension and retraction of the piston rod in the hydraulic cylinder 13, and the hydraulic cylinder 13 is arranged obliquely to effectively support the lever arm 5, so that the cleaning device is close to the wall surface, the bristles of the cleaning brush are attached to the wall, and a certain pressure of the cleaning brush on the wall is ensured during the cleaning process.

[0024] At this time, the tap water of the high-rise building is connected to the top of the rack of the cleaning device through the water pipe, and after the preparation work is completed, the brake is released, the three-phase asynchronous motor 1 is started in reverse, and the water pipe is opened; in this way, the cleaning device starts to slowly descend to clean the wall surface; when the cleaning device completes one round trip, stop the three-phase asynchronous motor 1, adjust the position of the lifting device again, and continue to clean the wall surface.

Claims

1. A lifting device for a high-rise building exterior wall cleaning machine, comprising a base plate (2), characterized in that: A three-phase asynchronous motor (1) is fixed on one side of the base plate (2). The drive end of the three-phase asynchronous motor (1) is fixedly connected to the worm shaft in the worm gear reducer (8) through a coupling. The worm gear reducer (8) is equipped with a matching brake. On both sides of the worm gear reducer (8), two sets of drum supports (9) are fixed on the base plate (2). A drum (7) is installed on each drum support (9). The drum shaft in the drum (7) is fixedly connected to the worm shaft in the worm gear reducer (8). The worm shaft is a double-output shaft. On one side of the end of the drum (7), a short shaft (4) is installed in each drum support (9). The short shaft (4) is connected to the drum shaft on its respective side. Fixed connection; at the front end of the two drums (7), two spaced lever arm supports (10) are fixed on the base plate (2); at the front end of the two lever arm supports (10), two spaced adjusting lever arm supports (11) are fixed on the base plate (2); the lever arm support (10) is hinged to one end of the lever arm (5), the adjusting lever arm support (11) is hinged to the cylinder body of the hydraulic cylinder (13), and the end of the piston rod of the hydraulic cylinder (13) is hinged to the middle position of the lever arm (5); the other end of the lever arm (5) is equipped with a pulley (6), a wire rope (12) is wound on the drum (7), the wire rope (12) passes around the pulley (6), and a hook (3) is fixed to the end of the wire rope (12).

2. The lifting device for a high-rise building exterior wall cleaning machine according to claim 1, characterized in that: The hydraulic cylinder (13) is arranged at an angle, with the cylinder body of the hydraulic cylinder (13) being far away from the lever support (10) and the piston end of the hydraulic cylinder (13) being close to the lever support (10).

3. The lifting device for a high-rise building exterior wall cleaning machine according to claim 1, characterized in that: The lever arm support (10) and the adjusting lever arm support (11) on each side are arranged at intervals, and the lever arm support (10) and the adjusting lever arm support (11) on each side are on the same center line.

4. The lifting device for a high-rise building exterior wall cleaning machine according to claim 1, characterized in that: A needle roller bearing is installed in the pulley (6).

5. The lifting device for a high-rise building exterior wall cleaning machine according to claim 1, characterized in that: A deep groove ball bearing and bearing cap are installed on the short shaft (4).

6. The lifting device for a high-rise building exterior wall cleaning machine according to claim 1, characterized in that: Four locking casters are installed under the base plate (2).