Retractable Hydraulic Hay Bale Spikes for Flatbed Trucks
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Solution Overview
Problem
Existing hay bale lifting and transport solutions are costly, complex, and obstruct the truck bed when not in use, requiring time and effort to install and remove, and do not allow for other cargo handling.
Innovation Solution
A hydraulic hay bale lifting apparatus with retractable spikes mounted on a flatbed truck, allowing the spikes to move between a fully retracted position for storage and an extended position for engaging bales, using hydraulic cylinders to pivot the spikes and maintain the truck bed's availability for other cargo.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If hydraulic forklifts or specialized lifting equipment are used to move hay bales, then the ability to lift and transport heavy bales is improved, but the cost and complexity of the equipment increases
Solution Approach 1:
The lifting apparatus is divided into separate functional components: a spike assembly for penetrating the bale, a hydraulic cylinder for providing lifting force, and a mounting structure for attachment to the vehicle. This segmentation allows each component to be optimized independently and simplifies the overall system compared to integrated forklift systems.
Solution Approach 2:
A spike acts as an intermediary element that penetrates the hay bale to provide a mechanical anchor point. The hydraulic cylinder then applies force to move the spike, which in turn moves the entire bale. This intermediary approach allows lifting of heavy bales without requiring complex forklift mechanisms.
2Adaptability or versatility
If outrigger type arms are used in specialized hay lifting vehicles, then the bale handling capability is improved, but the expense and complexity of the equipment increases
Solution Approach 1:
The mounting structure is designed to be universally applicable to various vehicle types (pickup trucks, flatbed trucks, trailers) through standardized attachment methods. The same basic apparatus design can handle different bale sizes and vehicle configurations without requiring complex specialized mechanisms for each application.
Solution Approach 2:
The spike assembly is designed to be movable between retracted and extended positions, allowing the system to adapt to different operating conditions. The hydraulic cylinder provides dynamic control over the spike position, enabling the system to handle bales of varying sizes and weights with a single versatile design.
3Ease of operation
If bale lifting components are permanently mounted in the truck bed, then the lifting capability is available, but the truck bed is unavailable for other cargo handling
Solution Approach 1:
The spike assembly is designed to be movable between retracted and extended positions. When retracted, the spikes are positioned to not obstruct the truck bed, allowing it to be used for other cargo. When extended, the spikes are positioned to engage and lift hay bales. This dynamic positioning resolves the contradiction between lifting availability and cargo bed availability.
Solution Approach 2:
The spike assembly can be positioned within the truck bed structure when not in use, effectively nesting the lifting mechanism within the available space. This allows the truck bed to serve dual purposes: cargo transport when spikes are retracted and bale lifting when spikes are extended.
4Adaptability or versatility
If removable bale lifting devices are installed on pickup trucks, then the lifting capability is provided, but time and effort are required for installation and removal
Solution Approach 1:
The mounting structure is pre-configured with attachment points and mounting features that align with standard vehicle configurations. This preliminary design allows for quick installation without requiring complex assembly procedures or specialized tools, reducing the time and effort required to install the lifting apparatus.
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 apparatus is cost-effective, easy to manufacture, and allows for efficient hay bale lifting and transport without obstructing the truck bed when not in use, reducing installation time and effort, and enabling the truck to handle other cargo.
Implementation Method 1
A hydraulic cylinder or other power transfer means is attached at one end to the fifth wheel slide, and at the other end to the bale spike. A power source energizes a hydraulic pump to actuate the hydraulic cylinder.
Data Source
AI summary
A hay bale lifting and transport device is mounted on a transport vehicle having a cab and having a rear bed area located behind the cab which defines a generally rectangular shaped, exposed top planar surface. The lifting apparatus includes a pair of elongate hay bale spikes affixed to a mounting assembly so that the spikes are spaced apart a fixed distance and are arranged in a plane parallel to one another. The spikes and mounting assembly are received in an opening formed in the rear planar bed of the transport vehicle when the spikes are in a first, fully retracted position, the central axis of each of the spikes being located below the plane of the rear bed. An actuating mechanism acts upon the mounting assembly for moving the pair of spikes around a pivot axis between the fully retracted position and an extended position in which the spikes are arranged to engage a bale of hay.