Interchangeable Mobile Hydraulic Tool for Pulling and Pressing
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Solution Overview
Problem
Existing mobile hydraulic tools are limited to either tensile or compressive work, requiring two separate tools for combined operations, leading to increased equipment and maintenance costs.
Innovation Solution
A mobile hydraulic tool design that allows interchangeable tool units, with a drive piston adjustable between positions to drive both tension- and pressure-acting tool units, using internal threads for secure connection and easy tool unit swapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If two separate mobile hydraulic tools are used for tensile and compressive work, then both types of work can be performed, but equipment costs and maintenance costs increase
Solution Approach 1:
The hydraulic tool housing is designed with threaded connections on both ends, allowing the same tool body to accommodate different tool units (drawing tool unit with pulling tool or pressing tool unit with pressing tool) by simply changing the tool unit attached to the drive piston, enabling one tool to perform multiple functions
2Adaptability or versatility
If two separate mobile hydraulic tools are used for tensile and compressive work, then both types of work can be performed, but maintenance and repair costs increase
Solution Approach 1:
By designing the hydraulic tool housing with threaded connections on both ends and the drive piston with corresponding threaded connections, the same hydraulic tool body can be used with different tool units, reducing the total number of tools that need maintenance and repair
3Ease of operation
If tool units are made interchangeable with threaded connections, then tool unit swapping is easy, but connection strength may be reduced
Solution Approach 1:
The threaded connections are pre-designed with appropriate thread profiles and engagement lengths to ensure sufficient connection strength before the tool units are actually attached, allowing users to simply screw the tool units onto the drive piston without requiring additional fastening operations
Solution Approach 2:
The hydraulic tool housing and drive piston are designed with threaded connections that can withstand the hydraulic forces generated during operation, ensuring that the interchangeable connections maintain sufficient strength under load
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
Enables efficient performance of both drawing and pressing work with a single tool, reducing the need for multiple tools and minimizing equipment and maintenance costs while ensuring reliable force transmission and protection of the hydraulic system.
Implementation Method 1
a drive piston (3) which is adjustable in a hydraulic tool housing (4) between a starting position and an end position
Implementation Method 2
pressurization causes the drive piston to be moved from the starting position to the end position in the cylinder section (5) of the hydraulic tool housing (4)
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a mobile hydraulic tool with a drive piston (3) that can be adjusted hydraulically between an initial position and an end position, a hydraulic tool housing (4) that has a cylinder section (5) that guides the drive piston, and a pulling tool unit (52) that can be detachably connected to the drive piston and the hydraulic tool housing pressure tool unit. In order to provide a mobile hydraulic tool in which the movement provided by the drive piston (3) can be used to selectively drive a pulling tool unit (52) and a pressure tool unit, it is provided that the hydraulic tool housing (4) on the one hand for arranging the with the Drive piston (3) connectable drawing tool unit and on the other hand for the arrangement of connectable to the drive piston pressure tool unit is formed.