Integrated High Track Drive System for Work Vehicles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing track work vehicles require external gear sets to elevate drive wheels, increasing part count, weight, and maintenance needs, which reduces productivity.
Innovation Solution
A high track drive system is integrated within a differential housing, using a planetary gear set and bevel gear assembly to elevate the drive axle shaft coaxially with the drive wheel centerline, reducing the need for external gear sets and maintaining the drive system within the differential gear case.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If external gear sets are used to elevate drive wheels, then drive wheel elevation is improved, but device complexity increases
Solution Approach 1:
The patent combines the gear elevation function with the differential housing into a single integrated assembly. The bevel gear assembly and planetary gear set are housed within the differential housing, eliminating the need for separate external gear sets. This merging of functions resolves the technical contradiction by achieving drive wheel elevation without increasing device complexity.
2Shape
If external gear sets are used to elevate drive wheels, then drive wheel elevation is improved, but weight increases
Solution Approach 1:
By integrating the bevel gear assembly and planetary gear set within the differential housing, the patent eliminates redundant external gear sets and their supporting structures. This consolidation reduces the overall weight of the drive system while maintaining the drive wheel elevation function, resolving the contradiction between elevation improvement and weight increase.
3Shape
If multiple gear sets are used, then drive wheel elevation is improved, but maintenance requirements increase
Solution Approach 1:
The integration of multiple gear functions (bevel gear assembly and planetary gear set) into a single differential housing creates a unified maintenance unit. Instead of maintaining separate external gear sets, the consolidated design reduces the number of maintenance points and simplifies service procedures, resolving the contradiction between achieving drive wheel elevation and reducing maintenance requirements.
4Shape
If external gear sets are used, then drive wheel elevation is improved, but productivity decreases
Solution Approach 1:
By consolidating the gear elevation mechanism within the differential housing, the patent reduces the time and resources required for maintenance and repairs. This improved maintenance efficiency directly enhances vehicle productivity by minimizing downtime, while still achieving the necessary drive wheel elevation for improved traction and performance.
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 reduces the part count and weight of the vehicle, decreases maintenance requirements, and enhances productivity by allowing the drive wheels to be driven at a higher elevation without additional external gear sets.
Implementation Method 1
a differential gear case having at least one planetary gear set. The track drive system includes a first gear coupled to the axle input shaft and a second gear coupled to the first gear. The track drive system includes a bevel gear assembly coupled to the second gear and a bevel gear set coupled to the at least one planetary gear set.
Implementation Method 2
The track drive system includes a bevel gear assembly coupled to the second gear and a bevel gear set coupled to the at least one planetary gear set.
Data Source
AI summary
A track work vehicle includes an axle input shaft defining a first axis of rotation, and a differential gear case having at least one planetary gear set. The track work vehicle includes a track drive system contained, at least in part, in the differential gear case. The track drive system includes a first gear coupled to the axle input shaft and a second gear coupled to the first gear. The track drive system includes a bevel gear assembly coupled to the second gear and a bevel gear set coupled to the planetary gear set. The track work vehicle includes at least one drive axle coupled to the planetary gear set and a drive wheel for driving a continuous ground-engaging track. The drive axle has a second axis of rotation that is vertically offset from the first axis of rotation and substantially coaxial with a centerline of the drive wheel.