Round Baler Winding Device Pivot Actuator
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Solution Overview
Problem
Round balers with traditional winding devices require significant space and pose handling difficulties due to their large size, making them cumbersome in tight installations and prone to damage when maneuvering off-road.
Innovation Solution
A round baler design where the winding device is equipped with an actuator that allows it to pivot and move from a working position to a transport position, reducing the overall length and increasing ground clearance, thereby improving maneuverability and protection against damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the winding device is arranged behind the bale chamber in a traditional round baler, then the round bale can be wrapped with wrapping material, but the overall length of the round baler increases, making handling difficult and increasing the risk of ground contact damage
Solution Approach 1:
The winding device is made movable relative to the pressing device through a pivot connection and actuator mechanism. The winding device can be pivoted between a working position (extended rearward for wrapping) and a transport position (retracted forward), transforming from a static to a dynamic configuration that adapts to different operational requirements
Solution Approach 2:
The round baler is divided into separable functional modules: the pressing device and the winding device are connected through a pivot joint rather than being rigidly fixed. This segmentation allows independent positioning of each module, enabling the winding device to be repositioned without affecting the pressing device's function
2Object-affected harmful factors
If the winding device is arranged behind the bale chamber, then the wrapping function is achieved, but the ground clearance decreases, increasing the risk of damage when driving off-road
Solution Approach 1:
The winding device's position is dynamically adjustable through pivoting. In off-road transport conditions, the winding device can be rotated forward to a retracted position, increasing the ground clearance at the rear of the baler and preventing ground contact damage, while maintaining full wrapping capability when in the extended working position
3Adaptability or versatility
If the winding device is made movable with an actuator, then the maneuverability and ground clearance are improved, but the device complexity increases
Solution Approach 1:
A hydraulic or electric actuator is integrated into the pivot connection between the pressing device and winding device. This actuator automatically controls the positioning of the winding device, providing powered movement that reduces manual intervention while managing the complexity through standardized actuator components
Solution Approach 2:
The pivot connection serves multiple functions: it acts as both the mechanical linkage for positioning the winding device and the mounting structure for the actuator. The same pivot joint enables both the working position extension and the transport position retraction, consolidating multiple functions into a single mechanical interface
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 enhances handling and reduces the risk of damage by shortening the baler's length and increasing ground clearance, facilitating easier movement and storage while preventing ground contact during off-road use.
Implementation Method 1
the winding device being moved from one working position to a transport position by means of an actuator
Data Source
Figure 1~2
AI summary
A round baler (10) for agricultural straw products comprising a pressing device (12) including a pressing chamber (16) for pressing round bales, and a wrapping device (14) downstream of the pressing device (12) for wrapping a round bale with a wrapping material, and a chassis (20) with at least one wheel axle (22), wherein, according to the invention, the wrapping device (14) can be moved from a working position (A) to a transport position (T) by means of an actuator (38).