Hammer Assembly Gas Discharge Plug for Safe Pressure Release
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Solution Overview
Problem
Existing hydraulic hammer assemblies require specialized tools to release pressurized gas during disassembly, posing safety risks and increasing maintenance complexity.
Innovation Solution
A hammer design featuring a gas discharge passage with a plug that deforms under pressure, allowing automatic gas release when the head is separated from the housing, eliminating the need for additional valves or tools and providing a sound indication for safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a gas valve is provided to release pressurized gas during disassembly, then gas can be released from the chamber, but specialized tools are required to operate the valve which increases maintenance complexity and safety risks
Solution Approach 1:
The plug automatically opens under pressurized gas to release the accumulator pressure when the head is separated from the housing, eliminating the need for manual valve operation or specialized tools during disassembly
Solution Approach 2:
The gas discharge passage and plug mechanism are integrated directly into the head assembly, extracting the pressure release function from a separate valve system that required specialized tools
2Ease of operation
If a gas valve is provided on the hammer, then pressurized gas can be released, but the valve requires specialized tools to operate which poses safety risks
Solution Approach 1:
The plug automatically opens under pressurized gas to release the accumulator pressure when the head is separated from the housing, eliminating the need for manual valve operation or specialized tools during disassembly
Solution Approach 2:
The plug acts as an intermediary element that automatically responds to head separation by opening the gas discharge passage, mediating between the mechanical separation action and the pressure release requirement
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
Simplifies the disassembly process, ensures safe pressure release, and reduces maintenance costs by eliminating the need for specialized tools, while alerting personnel to potential hazards through audible signals.
Implementation Method 1
A plug is positioned in the gas discharge passage and configured to move or deform under pressure of the pressurized gas in the chamber on separation of the head from the housing
Data Source
AI summary
A hammer including a housing and a piston arranged for reciprocating movement within the housing is disclosed. The hammer further includes a head assembled on the housing and defining a chamber for holding a pressurized gas and a wall configured to abut the housing and defining a gas discharge passage extending between the chamber and the housing. A plug is positioned in the gas discharge passage and configured to move or deform under pressure of the pressurized gas in the chamber.