Utility Vehicle Winch Mounting for Mast Stability
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Solution Overview
Problem
Existing collapsible game hanger apparatuses face issues with mast swaying during manual winch operation and cumbersome power supply wiring for electric winches due to the winch being attached to the mast, making hoisting operations difficult and inconvenient.
Innovation Solution
A collapsible game hanger apparatus design where the winch is attached to a vehicle constituent member, such as a cargo box, rather than the hoist structure, reducing reaction forces and vibrations applied to the hoist structure, and allowing easier power supply wiring for electric winches by mounting the winch to the vehicle body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the winch is attached to the mast, then the hoist structure can be compact, but the mast sways during manual operation and the power supply wiring becomes troublesome
Solution Approach 1:
The patent divides the winch system into separate components: the winch motor is mounted on the vehicle body while the drum and cable system remains attached to the hoist structure. This segmentation allows the heavy winch to be supported by the vehicle frame rather than the mast, eliminating mast swaying during operation while maintaining a compact hoist structure.
Solution Approach 2:
The patent introduces an intermediary mounting bracket system that connects the winch to the vehicle body frame. This intermediary structure transfers the winch's weight and reaction forces to the vehicle frame, preventing these forces from being applied to the mast and hoist structure, thereby maintaining operational stability.
2Adaptability or versatility
If the winch is attached to the mast, then the hoist structure integrates all functions, but the power supply wiring arrangement becomes troublesome due to distance from vehicle body
Solution Approach 1:
The patent extracts the electric motor component from the hoist structure and relocates it to the vehicle body. This extraction separates the power generation function from the mechanical lifting function, allowing the motor to be positioned near the vehicle battery for simplified wiring while the hoist structure maintains its lifting capabilities.
Solution Approach 2:
The patent creates a universal mounting system where the winch can be mounted on the vehicle body using standard mounting brackets, and the cable system can be attached to various points on the hoist structure. This multi-functional arrangement allows flexible positioning for optimal wiring while maintaining full lifting functionality.
3Device complexity
If the winch is attached to the mast, then the structure is simplified, but the reaction force and vibration during winding operation apply load to the hoist structure
Solution Approach 1:
The patent introduces the vehicle body frame as an intermediary load-bearing structure. The winch is mounted to the vehicle frame rather than the hoist structure, so reaction forces and vibrations during cable winding are absorbed by the vehicle frame's robust structure, preventing these dynamic loads from being transmitted to the mast and hoist components.
Solution Approach 2:
The patent effectively uses the vehicle body frame as a counterbalancing structure that absorbs and neutralizes the reaction forces generated during winch operation. The frame's mass and structural rigidity provide a stable base that counteracts the dynamic loads, protecting the lighter hoist structure from excessive stress.
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 design minimizes mast swaying during manual operations and simplifies power supply for electric winches, enhancing the usability and efficiency of the game hanger apparatus by distributing the winch's weight and allowing straightforward power installation.
Implementation Method 1
a pulley unit having a plurality of pulleys that guide the winch cable
Data Source
AI summary
A utility vehicle having a collapsible game hanger apparatus includes a cargo box, a hitch receiver disposed under the cargo box and included in a rear structure, a hoist structure, a winch device, and a winch mounting bracket. The hoist structure consists of a base bar detachably attached to the hitch receiver, a mast attached to an end portion of the base bar, and a boom attached to an upper end of the mast. The winch device consists essentially of a winch detachably attached to a winch mounting bracket and a pulley unit for guiding the winch cable.