Stair cleaning equipment and using method thereof

Abstract

The invention belongs to the technical field of stair cleaning equipment, and discloses stair cleaning equipment which comprises a walking device, the walking device can be installed on a handrail of a guardrail of a stair, a driving mechanism is arranged in the walking device, and the walking device can walk in the direction of the stair through the driving mechanism; walking wheels are arranged at the bottom of the sweeping trolley, and the sweeping trolley is provided with a stair cleaning mechanism; the walking device and the sweeping trolley are connected through the accompanying cable, the walking device can hoist the sweeping trolley by collecting the accompanying cable, the structure is simple and reasonable, the two vertical guide wheels are arranged in the walking device, the walking device can be installed on the handrail, the two guide wheels tightly hold the handrail after installation, balance of the walking device is guaranteed, and the sweeping trolley is convenient to use. Fixed guide rails do not need to be installed in advance, and cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of stair cleaning equipment, and in particular relates to a stair cleaning equipment. Background Art

[0002] Stairs are components used for vertical transportation between floors in a building. They are used for transportation between floors and when there is a large height difference. Stairs are also required in multi-storey and high-rise buildings that have elevators and escalators as the main means of vertical transportation. Although high-rise buildings use elevators as the main means of vertical transportation, they still need to retain stairs for escape in case of fire. Stairs are composed of a flight of continuous steps (also called stair runs), a platform (resting platform) and enclosure components.

[0003] The invention patent with application number 2024221918012 discloses a stair cleaning system, which is equipped with a fixed track, a walking device, and a cleaning cart. The track is installed on a railing or a wall. The walking device is responsible for driving the cleaning cart up and down the stairs. The cleaning cart is responsible for cleaning the steps, replacing manpower to clean the stairs. The cleaning cart has a variety of cleaning mechanisms (sweeping roller brush, protruding brush, wall cleaning belt, facade roller brush, vacuum cleaner), which can effectively clean the tread surface, the surface under the handrail, the side wall, and the stair facade.

[0004] However, the above scheme has the following problems: the walking device of the above scheme completes walking through the cooperation of fixed tracks, and the fixed tracks must be installed in advance when used, which is cumbersome and costly. Summary of the invention

[0005] In order to overcome the above technical problems, the present invention provides a stair cleaning device, in which a driving mechanism is provided in a walking device, and the driving mechanism enables the walking device to move along the direction of the stairs, without the need to install fixed guide rails in advance, thereby reducing costs.

[0006] The present invention adopts the following technical scheme: a stair cleaning device, comprising: a walking device, which can be installed on the handrail of the stair guardrail, and a driving mechanism is provided in the walking device, and the walking device can move along the stairs through the driving mechanism; a cleaning trolley, the bottom of the cleaning trolley has walking wheels, and the cleaning trolley is equipped with a stair cleaning mechanism; the walking device and the cleaning trolley are connected by a traveling cable, and the walking device can lift the cleaning trolley by retracting the traveling cable.

[0007] Preferably, the driving mechanism includes a transverse driving wheel in the walking device. When the walking device is installed on the handrail, the driving wheel is in contact with the outer wall of the handrail. A motor is provided in the walking device, and the motor drives the connected driving wheel. The driving mechanism also includes a toggle assembly, which includes multiple toggle bars. During operation, the toggle bars are always located between the railings of the guardrail to assist the walking device in moving.

[0008] Preferably, the toggle assembly includes a horizontal pulley, a second motor is provided in the walking device, the second motor drives the connecting pulley, a belt is provided outside the pulley, and the toggle bar is arranged outside the belt.

[0009] Preferably, the toggle assembly includes a horizontal turntable, a third motor is provided in the walking device, the third motor drives the turntable, and the toggle bar is provided on the outer wall of the turntable.

[0010] Preferably, two vertical guide wheels are provided in the traveling device, and when the traveling device is installed on the handrail, the two guide wheels hold the handrail tightly.

[0011] Preferably, the walking device is provided with a groove on the side close to the guardrail, the position of the groove corresponds to the walking wheel of the cleaning trolley, the walking wheel can be stored in the groove, and the walking device is provided with a vertical telescopic plate. When the equipment is installed on the handrail of the guardrail, the telescopic plate and the cleaning trolley are located on opposite sides of the guardrail.

[0012] A method for using a stair cleaning device comprises the following steps: When using: S1. Install the walking device on the handrail of the guardrail of the stairs to be cleaned, and place the cleaning trolley above the steps to be cleaned; S2. The cleaning trolley moves back and forth on the same step through the walking wheels and cleans the step through the cleaning mechanism; S3. After the cleaning trolley finishes cleaning one step, the cleaning trolley stops moving, the traveling device lifts the cleaning trolley by retracting the accompanying cable, the traveling device moves along the handrail through the driving mechanism to the upper side of the adjacent step of the cleaned step, and the traveling device lowers the cleaning trolley by releasing the accompanying cable; S4. Repeat S2 and S3 to complete the cleaning of the stairs; When storing: S1. Lay the walking device flat with the opening of the groove facing upwards; S2. Loosen the accompanying cable to a suitable length and place the traveling wheel of the cleaning trolley in the groove; S3. Pull the telescopic plate to extend it and complete the storage.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The walking device is equipped with a driving mechanism, which enables the walking device to move along the direction of the stairs. There is no need to install fixed rails in advance, which reduces costs. 2. The walking device of the present invention is provided with two vertical guide wheels. When the walking device is installed on the handrail, the two guide wheels hold the handrail tightly to ensure the balance of the walking device and facilitate use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1is an overall schematic diagram of Embodiment 1; Figure 2 is a schematic diagram of the main structure of the first embodiment; Figure 3 is a schematic diagram of the main structure of the second embodiment; Figure 4 This is a top view of the cleaning trolley; Figure 5 It is a schematic diagram of the side structure of the walking device close to the guardrail.

[0015] Description of reference numerals: 1. Motor 2; 1-1. Pulley; 1-2. Belt; 2. Driving wheel; 2-1. Motor 1; 3. Guide wheel; 4. Turntable; 4-1. Motor 3; 5. Traveling device; 6. Wire reel; 7. Wire reel motor; 8. Camera; 9. Traveling cable; 10. Cleaning trolley; 11. Wall cleaning belt; 11-1. Vertical roller; 12. Sweeping brush; 13. Traveling wheel; 14. Extended brush; 14-1. Support rod; 14-2. Triangular rotating brush; 15. Vacuum cleaner; 16. Facade brush; 17. Battery; 18. Controller; 19. Toggle bar; 20. Telescopic plate; 21. Groove. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Unless otherwise specified, the raw materials and equipment used can be purchased from the market or are commonly used in the art. The methods in the embodiments are conventional methods in the art unless otherwise specified. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0017] Embodiment 1: The stair cleaning system includes a walking device 5 and a cleaning trolley 10. The walking device 5 is provided with two vertical guide wheels 3. The walking device 5 can be installed on the handrail of the stair guardrail. After installation, the two guide wheels 3 hold the handrail tightly. The walking device 5 is provided with a horizontal driving wheel 2. When the walking device 5 is installed on the handrail, the driving wheel 2 is located above the handrail and fits with the outer wall of the handrail. The walking device 5 is provided with a motor 2-1, which drives and connects the driving wheel 2. The walking device 5 is provided with a horizontal pulley 1-1 at the bottom. The walking device 5 is provided with a motor 2-1, and the motor 2-1 drives and connects the driving wheel 2. 1 drives and connects the pulley 1-1, the pulley 1-1 is provided with a belt 1-2 outside, and a plurality of toggle bars 19 are provided outside the belt 1-2, and the toggle bars 19 are fixedly connected to the outside of the belt 1-2 and move with the belt 1-2. During operation, the toggle bars 19 are always located between the railings of the guardrail, and the toggle bars 19 toggle the railings, and utilize the reaction force to cooperate with the driving wheel 2 to make the walking device 5 move. The walking device 5 is provided with a groove 21 on the side close to the guardrail, and the position of the groove 21 corresponds to the walking wheel 13 of the cleaning trolley 10, and the walking wheel 13 can be stored in the groove 21. There is a vertical telescopic plate 20. When the equipment is installed on the handrail of the guardrail, the telescopic plate 20 and the cleaning trolley 10 are located on the opposite sides of the guardrail. When the walking wheel 13 is placed in the groove 21, the telescopic plate 20 is extended and abuts against the cleaning trolley 10; the bottom of the cleaning trolley 10 has a walking wheel 13, and the walking wheel 13 adopts a Mecanum wheel, which is convenient for adjusting the position on narrow stair steps. The cleaning trolley 10 has a built-in vacuum cleaner 15, and the suction port of the vacuum cleaner 15 is located at the bottom of the vehicle. The bottom of the cleaning trolley 10 has an electric sweeping roller brush 12, and the bottom of the left end of the cleaning trolley 10 is respectively inside and outside. A protruding brush 14 extending to the left is provided to clean the table surface under the handrail. The protruding brush 14 includes a support rod 14-1 fixedly connected to the trolley. A small motor is provided at the left end of the support rod 14-1 to drive and connect a triangular rotating brush 14-2. The right end of the cleaning trolley 10 has a wall cleaning belt 11. The wall cleaning belt 11 is in the shape of a conveyor belt and is stretched and driven by two electric vertical rollers 11-1 in front and behind. The two ends of the rear of the cleaning trolley 10 are respectively provided with an electric vertical vertical roller brush 16; the walking device 5 and the cleaning trolley 10 are connected by an accompanying cable 9.

[0018] The traveling device 5 has a built-in battery 17 to power the system. The traveling device 5 has two built-in winding wheels 6 driven by a winding motor 7. The two winding wheels 6 are arranged one in front of the other. The two winding wires are respectively connected to a traveling cable 9, and the traveling cable 9 is connected to a cleaning trolley 10. When the winding motor 7 drives the two winding wheels 6 to synchronously reel in the wires, the cleaning trolley 10 can be stably lifted. The battery 17 powers the cleaning trolley 10 through one of the traveling cables 9.

[0019] A camera 8 is provided at the bottom of the walking device 5 to identify steps, dirt and the position of the trolley. The camera 8 uses a wide-angle lens, so that even when the trolley is lifted, the step image can be captured. The walking device 5 has a controller 18, which controls the connection of the camera 8, the walking wheel 13, the sweeping roller brush 12, the protruding brush 14, the wall cleaning belt 11, the facade roller brush 16, the vacuum cleaner 15, the winding motor 7 and the walking motor. The cleaning trolley 10 is equipped with a laser radar and a warning device. The walking device 5 has a controller 18, which controls the connection of the laser radar, the warning device, the walking wheel 13, the stair cleaning structure, the winding motor 7 and the walking motor.

[0020] The warning device may be a mechanism with a warning function such as a speaker or a flash light.

[0021] The system obtains information about the surrounding scene through lidar, so as to plan a corrective route, pause to clean up and initiate a warning when encountering people.

[0022] A stair cleaning device, when used: The walking device 5 is installed on the handrail of the guardrail of the stairs, so that the two guide wheels 3 hold the handrail tightly and the driving wheel 2 fits the outer wall of the handrail, and the motor 1 2-1 and the motor 2 1 are started. The motor 1 2-1 drives the driving wheel 2, and the driving wheel 2 fits the handrail to drive the walking device 5 to move along the stairs. The motor 2 1 drives the belt 1-2 to run through the pulley 1-1, and the toggle bar 19 on the belt 1-2 continuously toggles the railing, and cooperates with the driving wheel 2 to make the walking device 5 move along the stairs. The walking device 5 cooperates with the cleaning trolley 10 to clean the stairs.

[0023] When storage is required, lay the traveling device 5 flat with the opening of the groove 21 facing upward, loosen the accompanying cable 9 to an appropriate length, place the traveling wheel 13 of the cleaning trolley 10 in the groove 21, pull the telescopic plate 20 to extend the telescopic plate 20 and press against the top surface of the cleaning trolley 10 to complete the storage.

[0024] In some other embodiments, the toggle assembly includes a horizontal turntable 4 at the bottom of the walking device 5, and a motor 4-1 is provided in the walking device 5. The motor 4-1 drives the turntable 4, and the toggle bar 19 is fixedly connected to the side wall of the turntable 4. When in use, the motor 4-1 is started, and the motor 4-1 drives the toggle bar 19 to rotate through the turntable 4, and cooperates with the driving wheel 2 to make the walking device 5 move along the stairs.

[0025] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the above embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A stair cleaning device, characterized in that: include: A walking device, which can be installed on the handrail of the stair guardrail, is provided with a driving mechanism, and can move along the staircase through the driving mechanism; A cleaning trolley, which has running wheels at the bottom and is equipped with a stair cleaning mechanism; The traveling device and the cleaning trolley are connected via an accompanying cable, and the traveling device can lift the cleaning trolley by retracting the accompanying cable.

2. A stair cleaning device according to claim 1, characterized in that: The driving mechanism includes a horizontal driving wheel in the walking device. When the walking device is installed on the handrail, the driving wheel is in contact with the outer wall of the handrail. A motor is provided in the walking device, and the motor drives the connected driving wheel. The driving mechanism also includes a toggle assembly, which includes multiple toggle bars. During operation, the toggle bars are always located between the railings of the guardrail to assist the walking device in walking.

3. A stair cleaning device according to claim 2, characterized in that: The toggle assembly comprises a horizontal pulley, a second motor is arranged in the walking device, the second motor drives the connecting pulley, a belt is arranged outside the pulley, and the toggle strip is arranged outside the belt.

4. A stair cleaning device according to claim 2, characterized in that: The toggle assembly comprises a horizontal turntable, a motor three is arranged in the walking device, the motor three drives the turntable, and the toggle bar is arranged on the outer wall of the turntable.

5. A stair cleaning device according to claim 2, characterized in that: Two vertical guide wheels are arranged in the traveling device. When the traveling device is installed on the handrail, the two guide wheels hold the handrail tightly.

6. A stair cleaning device according to claim 1, characterized in that: The traveling device is provided with a groove on the side close to the guardrail, the position of the groove corresponds to the traveling wheel of the cleaning trolley, the traveling wheel can be stored in the groove, and the traveling device is provided with a vertical telescopic plate. When the equipment is installed on the handrail of the guardrail, the telescopic plate and the cleaning trolley are located on the opposite sides of the guardrail.

7. The method for using a stair cleaning device according to claim 6, characterized in that: The steps include: When using: S1. Install the walking device on the handrail of the guardrail of the stairs to be cleaned, and place the cleaning trolley above the steps to be cleaned; S2. The cleaning trolley moves back and forth on the same step through the walking wheels and cleans the step through the cleaning mechanism; S3. After the cleaning trolley finishes cleaning one step, the cleaning trolley stops moving, the traveling device lifts the cleaning trolley by retracting the accompanying cable, the traveling device moves along the handrail through the driving mechanism to the upper side of the adjacent step of the cleaned step, and the traveling device lowers the cleaning trolley by releasing the accompanying cable; S4. Repeat S2 and S3 to complete the cleaning of the stairs; When storing: S1. Lay the walking device flat with the opening of the groove facing upwards; S2. Loosen the accompanying cable to a suitable length and place the traveling wheel of the cleaning trolley in the groove; S3. Pull the telescopic plate to extend it and complete the storage.

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