Battery-Over-Motor Concrete Vibrator Layout for Compact Installation
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Solution Overview
Problem
Existing concrete vibrators are limited by the need for external power supply via cables, restricting their installation range and are difficult to dispose compactly due to the arrangement of components.
Innovation Solution
A concrete vibrator design with an integrated battery above the electric motor, allowing self-powering and compact horizontal disposition, featuring a detachable battery pack and transmission member for enhanced flexibility and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a commutator motor is used without an integrated battery, then the device structure is simpler, but the installation range is limited by cable range and requires external power supply
Solution Approach 1:
The patent combines the battery and commutator motor into a single integrated unit, where the battery is disposed above the motor. This merging eliminates the need for external power supply cables while maintaining the motor's functionality, thereby expanding installation range without proportionally increasing device complexity
Solution Approach 2:
The concrete vibrator becomes self-powered through the integrated battery, eliminating dependence on external fixed power supplies. The battery provides autonomous energy supply to the commutator motor, enabling the device to operate independently in locations without access to external electricity
2Device complexity
If the commutator motor and gear box are arranged side-by-side horizontally, then the power transmission is efficient, but the horizontal disposition is difficult and compact arrangement is achieved
Solution Approach 1:
The patent transitions from a horizontal side-by-side arrangement to a vertical stacked arrangement, with the battery disposed above the commutator motor. This dimensional change in component layout enables more compact horizontal footprint while maintaining effective power transmission through the vertical power flow from battery to motor to gear box
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 greater installation freedom and compact design, improving stability and convenience through self-powering and efficient battery replacement without moving the motor.
Implementation Method 1
a battery (8) that supplies electric power to the electric motor (5)
Implementation Method 2
an electric motor (5) that applies a rotational driving force to the rotating body (12)
Implementation Method 3
a vibration generating member (4) that includes a rotating body (12) and generates vibration according to rotation of the rotating body
Data Source
AI summary
A concrete vibrator (1) includes: a vibration generating member (4) that includes a rotating body (3) and generates vibration according to rotation of the rotating body (3); an electric motor (5) that applies a rotational driving force to the rotating body (3); a support member (7) that supports the electric motor (5); and a battery (8) that supplies electric power to the electric motor (5), wherein the battery (8) is disposed above the electric motor (5).