High-Speed Electric Vibrating Plate With Compact Drive Layout
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Solution Overview
Problem
Conventional soil compaction devices and vibrating plates have large, heavy drive units that require high electrical power, leading to bulky and inefficient energy supply systems, limiting compatibility with other construction tools and hindering optimal weight distribution for improved compaction results.
Innovation Solution
A vibrating plate with a high-speed electric motor operating at over 12,000 rpm, featuring a compact drive unit with the motor and energy supply arranged in a horizontal configuration, allowing for a low center of gravity and reduced size, enabling efficient energy use and improved compaction performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If conventional motors operating at 3,000-6,000 rpm are used to drive the base plate, then sufficient power can be delivered, but the motor becomes heavy and bulky, increasing the overall size and weight of the drive unit
Solution Approach 1:
The patent changes the operating speed parameter of the motor from conventional 3,000-6,000 rpm to high-speed operation above 12,000 rpm. This parameter change allows the use of a smaller, lighter motor design while maintaining the necessary power output for base plate vibration, directly resolving the contradiction between power delivery and motor weight
2Power
If large-capacity power supply devices are used to meet the high electrical power requirement of 1,000-3,000 watts, then sufficient power can be supplied, but the power supply device becomes incompatible with standard machine tools and requires separate maintenance
Solution Approach 1:
The patent changes the power consumption parameter by using a high-speed motor that requires less current at higher speeds, enabling the use of standard battery capacities (e.g., 18V, 36V) that are compatible with common machine tools. This resolves the contradiction between power supply capability and adaptability to standard equipment
3Power
If the motor and power supply are arranged in a conventional configuration, then the drive unit can function properly, but the transport dimensions and ground clearance become large
Solution Approach 1:
The patent rearranges the drive unit components along the longitudinal axis of the device, positioning the motor and power supply in a linear sequence. This dimensional reorganization optimizes the length distribution, reducing overall transport dimensions and improving ground clearance while maintaining proper drive function
4Ease of manufacture
If the drive unit is large and bulky, then all necessary components can be housed, but the weight distribution cannot be optimized and compaction results are limited
Solution Approach 1:
The patent changes the operational parameters of the high-speed motor to enable precise control of the base plate vibration characteristics. This allows optimization of weight distribution and vibration transmission, improving compaction results while maintaining a compact drive unit design that can house all necessary components
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
The solution provides a lightweight, compact, and efficient vibrating plate with enhanced compaction results and faster propulsion, utilizing commercially available high-speed motors and batteries for cost-effectiveness and simplified energy supply, compatible with construction site tools.
Implementation Method 1
The vibrating plate (10) has an electric motor (14), which can be operated in a speed range of more than 12,000 revolutions per minute
Implementation Method 2
Base plate (24) excited to vibrate with which the subsurface (12) can be compacted
Data Source
Figure 1
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AI summary
The present application relates to a vibratory plate compactor for compacting earth, soil, or subsoil, for example on a construction site, wherein the vibratory plate compactor has an electric motor (14) which can be operated at a speed of more than 12,000 revolutions per minute. In a second aspect, the application relates to a method for operating such a vibratory plate compactor, as well as a system comprising such a vibratory plate compactor and a battery-powered machine tool. Both the vibratory plate compactor and the machine tool can be supplied with electrical energy by the same type of power supply device.This simplifies the supply of electrical energy to different devices on a construction site, and provides a vibratory plate compactor with a compact drive unit and small transport dimensions, where the compaction result can be improved by a clever arrangement of the components and the advancement can be made faster.