Surface cleaning machine and method for operating a surface cleaning machine
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Solution Overview
Problem
Existing surface cleaning machines lack a simple structural design that provides extensive cleaning options while being easy to operate and handle, with inefficiencies in space utilization and accessibility of hard-to-reach areas.
Innovation Solution
The surface cleaning machine features a drive axis oriented transversely to the cleaning roller's axis of rotation, allowing for a space-saving design with a pivotable cleaning head, a gear mechanism for optimized roller speed, and a moistening system for enhanced cleaning efficacy, along with a suction unit for effective dirt removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drive motor is positioned close to the cleaning roller for direct drive, then the cleaning efficiency is improved, but the motor loading increases and space utilization deteriorates
Solution Approach 1:
The drive axis of the drive motor is oriented transversely to the axis of rotation of the cleaning roller, representing a dimensional change in the arrangement. This transverse orientation allows the motor to be positioned at a distance from the roller while still providing effective drive through the transmission device, resolving the contradiction between proximity for efficiency and distance for reduced loading.
Solution Approach 2:
A transmission device including a speed reducer and angular gear is introduced as an intermediary between the drive motor and the cleaning roller. This intermediary mechanism allows the motor to be positioned away from the roller, reducing motor loading and improving space utilization while still transmitting torque effectively to maintain cleaning efficiency.
2Adaptability or versatility
If the cleaning head is made pivotable to access hard-to-reach areas, then the versatility is improved, but the structural complexity increases
Solution Approach 1:
The cleaning machine is segmented into a device body and a separately pivotable cleaning head. This segmentation allows the cleaning head to be independently pivoted about a pivot axis to access edges and corners, while the main body remains stable. The segmentation resolves the contradiction by isolating the pivoting function to a specific component.
Solution Approach 2:
The cleaning head is made dynamically pivotable relative to the device body through a joint, allowing it to adapt its position for cleaning hard-to-reach areas. This dynamic capability is achieved through a simple joint mechanism rather than a complex articulated structure, maintaining ease of operation while improving versatility.
3Volume of moving object
If the drive motor is positioned far from the cleaning roller to save space, then the space utilization is improved, but the torque transmission efficiency deteriorates
Solution Approach 1:
A transmission device with speed reducer and angular gear acts as an intermediary to transmit torque from the drive motor to the cleaning roller over a distance. This intermediary mechanism efficiently transmits torque despite the spatial separation, resolving the contradiction between space utilization and torque transmission efficiency.
Solution Approach 2:
The direct mechanical connection is replaced with a geared transmission system that can transmit torque effectively over distance. The angular gear and speed reducer substitute for direct coupling, maintaining torque transmission efficiency while enabling flexible spatial arrangement for better space utilization.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enables efficient cleaning of various surfaces, including hard floors, with improved accessibility to edges and corners, reduced motor loading, and optimized space use, while maintaining ease of operation and maintenance.
Implementation Method 1
a suction unit device (32) is arranged on the device body (12)... which is fluidly connected to the suction unit device
Data Source
Figure 1
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Figure 3
AI summary
The invention relates to a surface cleaning machine, comprising a device body (12), on which a suction assembly device (32) is arranged, a cleaning head (14), on which at least one cleaning roller (18) is arranged, and on which at least one suction opening (54) is positioned, which is fluidically connected to the suction assembly device (32) and allocated to the at least one cleaning roller (18), and a drive device (76) for rotational driving of the at least one cleaning roller (18), wherein a drive axis (82) of a drive motor (78) of the drive device (76) and a rotation axis (68) of the at least one cleaning roller (18) are oriented crosswise and in particular perpendicular to each other.