Tractor Weight Transfer via Electric Linear Actuator
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Solution Overview
Problem
Existing weight transfer systems for tractors with front attachments are cumbersome, requiring frequent dismounting for operation, prone to mechanical failures, and difficult to install, which affects traction and operational efficiency, especially on slopes.
Innovation Solution
A weight transfer system featuring a front lift arm, electric linear actuator, and spring mechanism that allows for adjustable weight distribution from the front accessory to the center of gravity of the tractor, enabling improved traction without the need for the operator to dismount, using a pivotably mounted front lift arm, a spring with ends attached to the lift arm and a mounting bracket, and an electric linear actuator actuable between extended and retracted positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If manually engageable springs or pressure regulated systems are used to transfer weight rearwardly, then weight distribution is improved, but operator convenience deteriorates due to frequent mounting and dismounting
Solution Approach 1:
The patent replaces manual mechanical systems (springs requiring manual engagement) with an electric linear actuator that can be controlled remotely by the operator from the seat, eliminating the need to dismount the tractor for weight transfer operations
Solution Approach 2:
The system allows the operator to control weight transfer independently while remaining seated, making the system self-sufficient without requiring external assistance or frequent mounting/dismounting operations
2Stability of the object's composition
If manual weight transfer systems are used, then weight distribution is adjusted, but productivity deteriorates due to production loss from frequent operator dismounting
Solution Approach 1:
The electric linear actuator enables weight transfer control without operator dismounting, maintaining productivity by allowing continuous operation from the seated position while achieving the desired weight distribution adjustment
3Stability of the object's composition
If mechanical weight transfer systems are used, then weight transfer is achieved, but reliability deteriorates due to mechanical failures from corrosion and extended use
Solution Approach 1:
The electric linear actuator replaces complex mechanical linkage systems with an electrically actuated mechanism that has fewer moving parts susceptible to corrosion and mechanical failure, improving overall system reliability
Solution Approach 2:
The electric linear actuator serves as an intermediary device that converts electrical signals to mechanical motion, providing a more reliable control mechanism compared to direct manual mechanical systems that are prone to corrosion and failure
4Stability of the object's composition
If complex mechanical weight transfer systems are used, then weight transfer is achieved, but device complexity increases making installation difficult
Solution Approach 1:
The electric linear actuator consolidates multiple mechanical components into a single electrically actuated device, reducing the overall complexity of the weight transfer system and simplifying installation procedures
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
Enhances traction by allowing the operator to adjust weight distribution without leaving the seat, reducing mechanical failures and installation complexity, thereby improving operational efficiency and reducing downtime.
Implementation Method 1
A spring includes a first end and a second end, wherein the first end is attached to the front lift arm
Implementation Method 2
An electric linear actuator includes a forward end and a rear end. The forward end is mounted to the spring and the rear end is mounted to the mounting bracket. The linear actuator is actuable between an extended position and a retracted position
Implementation Method 3
These front attachments are frequently heavy and change the weight distribution on the wheels of the tractor, typically by shifting weight or moving the center of gravity of the tractor toward the front of the tractor
Data Source
AI summary
A weight transfer system for a tractor includes a front lift arm pivotably mounted to the tractor and a front accessory mounted to the front lift arm. The front accessory is located forward of a front of the tractor. A mounting bracket is secured to a frame of the tractor. An electric linear actuator includes a forward end and a rear end. The forward end is mounted to a spring and the rear end is mounted to the mounting bracket. The linear actuator is actuable between an extended position and a retracted position. The forward end is spaced a first distance from the front of the tractor in the extended position and a second distance from the front of the tractor in the retracted position. The first distance is less than the second distance.