Pivoting Load Gate for Forwarders with Yield-Mounted Suspension
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Solution Overview
Problem
Existing load gate systems for forwarders and similar terrain-going vehicles face challenges in reducing the risk of damage during timber handling, limiting operator visibility, and compromising terrain navigation due to their design, which often results in costly interruptions and inefficient loading/unloading processes.
Innovation Solution
A load gate combination with a modular, suspension-supported design featuring a central principal gate and angled side gate sections with strategically oriented struts to absorb forces and improve visibility, along with a hydraulic system for adjustable positioning and collision absorption, allowing for free pivoting and reduced torque.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid load gate design is used to protect the driver's cabin and lifting crane base, then protection capability is improved, but the risk of damage during timber handling increases
Solution Approach 1:
The load gate is designed to pivot about a vertical axis and can be rotated between a forward position (for protection) and a rearward position (for loading/unloading). This dynamic repositioning allows the gate to serve both protective and operational functions, reducing damage risk during handling while maintaining protection capability when needed.
2Stability of the object's composition
If a fixed load gate position is used to maintain protection, then structural stability is improved, but loading and unloading efficiency deteriorates
Solution Approach 1:
The load gate can be dynamically repositioned between forward and rearward positions, allowing it to be moved out of the way during loading and unloading operations while returning to its protective position during transport. This resolves the conflict between maintaining structural stability and improving operational efficiency.
3Ease of repair
If a telescopic load gate design is used to improve accessibility, then maintenance accessibility is improved, but the gate becomes extremely liable to damage
Solution Approach 1:
Instead of using a complex telescopic design, the patent employs a simpler pivoting mechanism that allows the load gate to be rotated to a rearward position for maintenance accessibility. This dynamic repositioning provides ease of repair without compromising structural strength or creating damage susceptibility.
4Ease of repair
If a telescopic load gate design is used to improve accessibility, then maintenance accessibility is improved, but operator visibility deteriorates
Solution Approach 1:
The pivoting load gate can be rotated to a rearward position, clearing the line of sight for the crane operator during loading and unloading operations. This dynamic repositioning simultaneously improves maintenance accessibility and restores operator visibility, eliminating the visibility blockage caused by fixed or telescopic designs.
5Reliability
If the load gate is positioned to protect from terrain obstacles, then protection capability is improved, but terrain navigation capability deteriorates
Solution Approach 1:
The load gate can be dynamically repositioned between forward and rearward positions, allowing it to be moved forward for protection during transport and retracted rearward for improved terrain navigation when needed. This adaptability resolves the conflict between protection capability and terrain navigation versatility.
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 reduces the risk of damage during timber handling, enhances operator visibility, and facilitates efficient loading/unloading and terrain navigation by absorbing collision forces and allowing flexible positioning of the load gate, thereby minimizing operational interruptions and improving handling efficiency.
Implementation Method 1
a load gate combination with a load gate and a suspension arrangement for the load gate, which suspension arrangement supports the load gate in a manner that allows free pivoting on an extended chassis of the load carrier
Implementation Method 2
The suspension system allows the load gate to be raised and lowered... The load gate, furthermore, can be lowered backwards by the suspension system
Data Source
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AI summary
The invention concerns a load gate combination for a vehicle of the type that includes a chassis (3) provided with wheels, such as a forwarder for the collection and transport of felled logs or similar, and comprising not only a load gate (10) intended to separate a load compartment (4) arranged in the vehicle from other units that are parts of the vehicle such as a lifting crane (22) and a driver's cabin (11 ), but also a suspension arrangement (20) that, mounted on the chassis (3) of the vehicle, supports the load gate (10) in a manner that allows it to pivot. To reduce the risk of damage and costly downtime when handling timber, the following features are proposed; that the load gate (10) is constructed to allow connection to one end of a means (90, 91; 35) that provides yield-mounting and that limits motion, that the suspension arrangement (20) comprises a support frame (36) arranged on the chassis (3) constructed to allow the connection of a second end of the said means (90, 91; 35) that provides yield-mounting and that limits motion, that the load gate (10) is supported on the support frame (36) in such a manner that it can move freely relative to the chassis (3) in its principal plane through the interaction between the said means (90, 91; 35) that provides yield-mounting and that limits motion arranged between the load gate (10) and the support frame (36).