Tiltable Platform Carriage for Baler Hitch Force Reduction

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Solution Overview

Problem

Existing crop accumulation systems for round balers can cause instability and damage to the baler's hitch due to uneven load distribution, resulting in upward forces applied to the tractor hitch during bale formation and discharge.

Innovation Solution

A carriage assembly with a tiltable platform and sliding mechanism that moves bales from the baler to a carriage, maintaining a flat orientation until the bale is transferred, and tilting to discharge bales when the carriage is full, thereby eliminating upward forces on the baler connection and ensuring stable operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a carriage assembly with tiltable platform is used to move bales from baler to carriage, then bale discharge is smoothed and upward forces on hitch are eliminated, but device complexity increases

Engineering Contradiction:
Improvebaler stabilityVSAvoidcarriage assembly complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The platform is designed to be tiltable rather than fixed, allowing it to dynamically adjust its orientation. The platform tilts forward during bale discharge to gravity-feed bales onto the ground, eliminating upward forces on the hitch. The system transitions between a level position (for receiving bales) and a tilted position (for discharging bales), making the structure adaptive to operational requirements rather than static.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The tiltable platform utilizes gravity to automatically discharge bales onto the ground without requiring additional active mechanisms. Once the platform tilts forward, bales naturally slide off under gravity's influence, making the discharge process self-service and eliminating the need for complex powered discharge mechanisms.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If the platform remains tilted until bale is transferred to carriage, then bale transfer is facilitated, but bale discharge stability is reduced

Engineering Contradiction:
Improvebale transfer easeVSAvoidplatform stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The platform operates in periodic cycles: it remains level during bale accumulation to maintain stability, then tilts forward for brief discharge periods, then returns to level position. This periodic switching between stable and discharge states allows the system to achieve both stability during operation and effective bale transfer during designated discharge intervals.

Inventive Principle:
Principle #19Periodic action

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 stabilizes the baler by preventing upward forces on the hitch, reducing the risk of damage and ensuring smooth bale discharge without compromising the baler's stability during operation.

Implementation Method 1

the platform is configured to remain tilted until the bale is moved onto the bale carriage being at least substantially out of contact with the platform, and the platform is situated as being in a substantially flat orientation and is in position for a bale to be dropped thereon by the baler mechanism

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP2974591B1A carriage assembly, baler and a method for moving a bale from an agricultural baler to a carriage assembly
Publication Date: 2019.07.24 DEERE & CO
  • EP2974591B1 patent drawingFigure 1
  • EP2974591B1 patent drawingFigure 2
  • EP2974591B1 patent drawingFigure 3

AI summary

A carriage assembly (28) for coupling to an agricultural baler mechanism (18) of an agricultural baler (14) having a direction of travel, the carriage assembly (28) comprising: a bale carriage (29) coupled to the baler mechanism (18); and a platform (56) coupled to at least one of the baler mechanism (18) and the bale carriage (29), the platform (56) configured to move a bale (23) from the baler mechanism (18) to the bale carriage (29) and remain tilted until the bale(23) is moved onto the bale carriage (29) at least substantially out of contact with the platform (56). Further a baler (14) and a method for moving a bale (23) from an agricultural baler (14) to a carriage assembly (28) is disclosed.