Tilting Car Frame with Variable Length Link Mechanism
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Solution Overview
Problem
Existing tilting car frames require large and heavy drive motors to incline vehicles during high-speed turns, which reduces space, increases weight, and deteriorates energy efficiency due to high power consumption.
Innovation Solution
A tilting car frame utilizing a lever principle with variable length link members and a rotary shaft drive motor to rotate a rotating member, allowing the vehicle to tilt towards the center of the turning radius with a smaller force, incorporating shock absorbing devices and a worm gear mechanism for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a large and heavy drive motor is used to obtain sufficient tilting force during high-speed turns, then the tilting capability is improved, but the vehicle weight increases and energy efficiency deteriorates
Solution Approach 1:
The patent applies dynamics by making the link members variable in length rather than fixed. The first and second link members can extend and retract, allowing the system to dynamically adjust its mechanical advantage. During tilting operations, the link members extend to increase leverage and reduce the force required from the drive motor, thereby enabling a smaller, lighter motor to achieve the necessary tilting force.
Solution Approach 2:
The patent introduces a new dimension by adding the variable length capability to the link members. Instead of relying solely on motor power, the system now has an additional degree of freedom in the form of extendable/retractable link members. This dimensional change allows the system to achieve greater tilting force with a smaller motor by utilizing the extended length for mechanical leverage.
2Force
If a large and heavy drive motor is used to obtain sufficient tilting force during high-speed turns, then the tilting capability is improved, but the vehicle space is reduced
Solution Approach 1:
The variable length link members provide dynamic adjustment capability that allows the system to achieve high tilting force without requiring a large motor. The link members extend during tilting operations to provide mechanical leverage, enabling a compact motor design that preserves valuable vehicle space while still delivering the necessary performance.
Solution Approach 2:
The tilting mechanism is segmented into multiple components: the drive motor, the variable length link members, and the tilting assembly. This segmentation allows the motor to be smaller and more compact since the mechanical advantage is provided by the extendable link members rather than motor size alone, thereby preserving vehicle space.
3Force
If a large and heavy drive motor is used to obtain sufficient tilting force during high-speed turns, then the tilting capability is improved, but energy efficiency deteriorates due to high power consumption
Solution Approach 1:
The variable length link members enable dynamic mechanical advantage adjustment. During tilting operations, the link members extend to amplify the force output, allowing a smaller, more energy-efficient motor to generate the required tilting force. This dynamic length adjustment reduces the continuous power demand compared to a fixed-size motor system.
Solution Approach 2:
The link members extend beyond their normal operating length during tilting operations to provide additional mechanical leverage. This partial extension action allows the motor to operate at lower power levels while still achieving the necessary tilting force, thereby improving overall energy efficiency.
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 enables efficient tilting of the vehicle with a smaller force, improving energy efficiency and reducing the need for large motors, thus enhancing space utilization and reducing weight while maintaining stability during high-speed turns.
Implementation Method 1
A tilting car frame according to an embodiment of the technology disclosed in the present specification is capable of operating with a small force using a lever principle
Implementation Method 2
a first shock absorbing device connected to the first vertical link member and the first support member; and a second shock absorbing device connected to the second vertical link member and the second support member
Implementation Method 3
incorporating shock absorbing devices and a worm gear mechanism for efficient operation
Data Source
Figure 1
Figure 2(a)~2(c)
Figure 3(a)~3(c)
AI summary
The technology disclosed in the present specification may comprise: a lower center frame comprising first and second support members which extend from first and second ends thereof, respectively; first and second horizontal linking members which are hinge-connected to the first and second ends, respectively; first and second vertical linking members which are hinge-connected to the first and second horizontal linking members, respectively; a rotating central shaft support which extends from the lower center frame; a first length-variable lever linking member which is hinge-connected to the first vertical linking member and the first support member, and to the end of which a first length-variable linking member is connected; a second length-variable lever linking member which is hinge-connected to the second vertical linking member and the second support member, and a rotor which is connected to the rotating central shaft support, and in which first and second extending members are hinge-connected to the first and second length-variable linking members, respectively.