Asymmetrical Vibrating Roller Layout for Larger Electric Drives
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Solution Overview
Problem
Existing vibrating rollers face challenges in accommodating larger electric motors due to their compact design, leading to environmental concerns with hydraulic motors and limited space for electric motor installation, which affects their functionality and efficiency.
Innovation Solution
An asymmetrical arrangement of internal mechanisms allows for the installation of larger electric motors by optimizing the use of internal space, including an asymmetrical mounting of the vibrating mechanism and incorporating a gearbox connected to the travel motor, with a dynamically balanced bearing housing and eccentric weight positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If hydraulic motors are used for vibration and travel drives, then the roller can operate effectively, but the design becomes environmentally harmful and requires internal combustion engines
Solution Approach 1:
The patent replaces hydraulic motors with electric motors for both vibration and travel drives. This substitution eliminates the need for hydraulic fluid and internal combustion engines, thereby reducing environmental impact while maintaining operational effectiveness through direct electric drive mechanisms
2Object-affected harmful factors
If electric motors are used to replace hydraulic motors, then environmental impact is reduced, but the installation dimensions become larger and do not fit into the existing structure
Solution Approach 1:
The patent employs asymmetrical arrangement of the inner frame and internal mechanisms within the roller. This asymmetrical design optimizes space utilization, allowing larger electric motors to be installed without exceeding the roller's outer dimensions. The asymmetrical mounting of the vibrating mechanism and strategic positioning of components enable efficient use of available space
Solution Approach 2:
The patent utilizes three-dimensional space optimization by strategically positioning components in different spatial dimensions. The asymmetrical inner frame configuration allows electric motors to be mounted in available spaces that would be inaccessible with symmetrical design, effectively utilizing the roller's internal volume
3Device complexity
If symmetric arrangement of internal mechanisms is used, then the design is simpler, but larger electric motors cannot be installed within the roller
Solution Approach 1:
The patent deliberately adopts asymmetrical arrangement of the inner frame and internal mechanisms to accommodate larger electric motors. This asymmetrical configuration provides the necessary installation space for high-power motors while maintaining overall design simplicity through systematic component layout and standardized mounting solutions
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
Enables the use of larger electric motors, enhancing the roller's functionality and efficiency while maintaining compact dimensions, suitable for urban and underground applications.
Implementation Method 1
The vibrating mechanisms usually comprise of eccentrically arranged weights placed on a rotating shaft which is inside the rotating roller
Implementation Method 2
the vibrating mechanism comprises a bearing housing which is dynamically balanced with the vibrating shaft
Data Source
Figure 1
Figure 2
AI summary
A vibrating roller, specifically a self-propelled vibrating roller (20) comprising a vibrating tread (1) mounted by means of a damping system (18) in the frame (6) of a earthmoving construction machine, where within the cavity (7) of the vibrating tread (1) internal mechanisms (5) are arranged, which are specifically a vibrating mechanism (3) and a drive mechanism (4), in which at least one internal mechanism (5) in the vibrating tread (1) is mounted in the inner frame (8), which is mounted asymmetrically in the vibrating tread (1). to the axis (9) of the vibrating roller (20) perpendicular to the axis (10) of its rotation, with the internal mechanisms (5) being mounted in the axis (10) of rotation of the vibrating roller (20), the vibrating mechanism (3) comprising a vibration motor (15), and a drive mechanism (4) comprising a travel motor (14), with the vibrating mechanism (3) being connected to a vibrating shaft (2) which comprises a weight (11).