Battery Unit Support Layout for Construction Equipment Vibration Control
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Solution Overview
Problem
Existing construction machines with electric motors and battery units face inadequate vibration suppression, leading to increased costs and complexity when using multiple vibration-proof support points.
Innovation Solution
A construction machine design featuring a battery unit supported by lower and upper vibration-proof support parts on opposite sides, with elastic members connecting mount parts on the machine body and battery unit, effectively reducing vibration without increasing support points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple vibration-proof support points are used to suppress battery unit vibration, then vibration suppression effectiveness is improved, but device complexity and cost increase
Solution Approach 1:
The patent transitions from conventional single-plane support to three-dimensional diagonal support. The vibration-proof support parts are positioned at diagonally opposite corners of the battery unit (front-left-upper and back-right-lower), creating spatial distribution in multiple dimensions. This diagonal arrangement in 3D space provides effective vibration suppression equivalent to multiple support points while maintaining structural simplicity.
2Reliability
If multiple vibration-proof support points are used to suppress battery unit vibration, then vibration suppression effectiveness is improved, but manufacturing cost increases
Solution Approach 1:
By positioning support parts at diagonally opposite corners in three-dimensional space rather than using multiple supports on a single plane, the patent achieves effective vibration suppression with minimal support components. This diagonal 3D arrangement reduces the number of required support points while maintaining suppression effectiveness, thereby lowering manufacturing cost.
Solution Approach 2:
The patent uses identical vibration-proof support parts at diagonally opposite positions. The same support component design is replicated at two diagonal locations, simplifying manufacturing through standardization while achieving distributed vibration suppression. This copying approach reduces design and production complexity compared to custom multiple support points.
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 efficiently suppresses battery unit vibrations in a simple and cost-effective manner, improving stability and reducing structural complexity.
Implementation Method 1
an elastic member interposed between the first mount part and the second mount part via the connection shaft part
Data Source
AI summary
In a configuration in which a battery unit for supplying power to an electric motor is provided, the present invention effectively suppresses the vibration of the battery unit using a simple and inexpensive configuration. The present invention comprises: an electric motor; a battery unit for supplying power to the electric motor; a lower-side vibration-damping support part that, with respect to an upper turning body in which the battery unit is installed, dampens the vibration of and supports the lower side of the battery unit; and an upper-side vibration-damping support part that, with respect to the upper turning body, dampens the vibration of and supports the upper side of the battery unit. The lower-side vibration-damping support part is provided to one side of the battery unit in the front-rear direction, and the upper-side vibration-damping support part is provided to the other side of the battery unit in the front-rear direction.