Hydraulic Compactor Breakaway Couplers
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Solution Overview
Problem
In hydraulic compactor systems, truck drivers often forget to disconnect hydraulic hoses from the power unit during transport, leading to damage to hoses, fittings, and equipment due to the lack of automatic disconnection mechanisms.
Innovation Solution
Integration of breakaway couplers with hydraulic fluid pressure compensators in the hoses to ensure safe disconnection and reconnection, preventing damage during transport and maintaining system integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual disconnect fittings are used for hydraulic hoses, then the system requires human intervention to prevent damage, but human error causes drivers to forget disconnection leading to hose and equipment damage
Solution Approach 1:
The breakaway coupler enables the system to protect itself automatically without human intervention. When excessive tension is detected during transport, the coupler self-actuates to disconnect the hoses, preventing damage to the hydraulic system components.
Solution Approach 2:
The breakaway coupler is pre-configured with a tension threshold that triggers automatic disconnection before damage can occur. This preliminary protective action eliminates the need for human judgment and timing in disconnecting the hoses.
2Reliability
If breakaway couplers are added to prevent damage, then automatic protection is achieved, but the device complexity increases
Solution Approach 1:
The breakaway function is extracted as a separate, dedicated mechanism within the coupler assembly. This modular approach allows the protective function to be added without redesigning the entire hydraulic connection system, minimizing overall complexity.
Solution Approach 2:
The coupler uses a tension parameter threshold to trigger disconnection. By designing the breakaway mechanism to respond to a specific force parameter, the system achieves automatic protection through a simple physical threshold rather than complex sensors or control systems.
3Object-affected harmful factors
If hoses are disconnected during transport, then damage is prevented, but reconnection time increases operational downtime
Solution Approach 1:
The breakaway coupler maintains a ready-to-connect configuration with alignment features and engagement mechanisms pre-positioned. This allows rapid reconnection by simply bringing the mating couplers together, eliminating the need for complex alignment procedures or additional connection steps.
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
Prevents damage to hydraulic hoses and equipment by automatically disconnecting if not manually disconnected, reducing downtime for repairs and ensuring safe operation.
Implementation Method 1
a hydraulic fluid pressure compensator which prevents separation of the breakaway coupler as the fluid pressure increases to actuate the hydraulic cylinder connected to move the compacting ram
Implementation Method 2
The piston has a frustoconical surface which normally engages the balls and forces the balls into the groove. A compression coil spring confined within the chamber urges the piston to urge and hold the balls within the groove.
Data Source
AI summary
A hydraulic compactor system includes a portable container adapted to be transported by a truck and having a chamber for receiving a waste material to be compacted. The container has a self-contained compacting ram actuated by a hydraulic cylinder, and a remote hydraulic power supply unit is connected to the hydraulic cylinder by flexible hydraulic hoses. Each of the hoses is provided with a breakaway hydraulic coupling having two sections connected by tension releasable coupling means with the sections having spring biased valves which are open when the sections are coupled together and automatically close when the sections separate due to a predetermined tension force on the hoses. Each breakaway coupling compensates for increases in hydraulic fluid pressure to prevent separation of the coupling sections when the fluid pressure increases to actuate the hydraulic compacting cylinder.