Feeder Driveshaft Side-Opening Assembly for Pre-Mounted Sprockets
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The assembly of feeder driveshafts in agricultural vehicles, such as combine harvesters, is time-consuming due to the need to fix sprockets on the driveshaft after it is already mounted within the feederhouse, causing delays and inefficiencies in the assembly process.
Innovation Solution
A feederhouse design that includes scalloped-circle shaped openings in the frame or bearing, allowing for pre-assembly of sprockets on the driveshaft, which can then be easily positioned through these openings for mounting, with the openings' shape corresponding to the sprockets and having a central axis parallel to the shaft axis, facilitating efficient assembly and rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the driveshaft is mounted within the feederhouse before fixing the sprockets, then the assembly structure is stable, but the assembly time increases and productivity decreases
Solution Approach 1:
The sprockets are pre-assembled onto the driveshaft before the driveshaft is mounted into the feederhouse. This preliminary action allows the driveshaft and sprockets to be prepared as a complete assembly unit, eliminating the need to fix sprockets after mounting and significantly reducing assembly time on the production line.
2Device complexity
If the sprockets are fixed on the driveshaft after mounting the driveshaft in the feederhouse, then the assembly sequence is simple, but the assembly time increases causing delays
Solution Approach 1:
The sprockets are assembled onto the driveshaft in advance, before the driveshaft is installed in the feederhouse. This reordering of operations performs the sprocket fixation action preliminarily, transforming a time-consuming post-mounting operation into an efficient pre-assembled unit installation.
3Productivity
If the driveshaft is fully assembled with sprockets before mounting, then the assembly efficiency improves, but the space requirements and opening design complexity increase
Solution Approach 1:
The feederhouse structure is segmented to include specific openings in the side walls that are sized and shaped to accommodate the pre-assembled driveshaft with sprockets. This segmentation allows the complete driveshaft assembly to be installed as one unit while maintaining the structural integrity of the feederhouse.
Solution Approach 2:
The openings are positioned in the side walls of the feederhouse, providing a transverse dimension for inserting the driveshaft assembly. This dimensional approach allows the pre-assembled driveshaft to be introduced from the side rather than requiring complex internal assembly space within the feederhouse.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A feederhouse (14) for an agricultural vehicle (10) includes a frame (80) including opposing side walls, openings (122) disposed in each of the side walls, and an assembled driveshaft (74) including a shaft and a plurality of sprockets (76) that are rotationally fixed to the shaft. The assembled driveshaft is positioned within an interior region of the frame. At least one opening (122) of said openings is sized such that the driveshaft (74) can pass in a transverse direction through the at least one opening.