Cylinder Piston Position Sensor Cover for Spatter-Proof Adjustment
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Solution Overview
Problem
Conventional piston position detecting devices in fluid pressure cylinders are prone to contamination and damage during welding operations due to exposure, and the existing solutions complicate the attachment and adjustment processes, making them cumbersome and time-consuming.
Innovation Solution
A piston position detecting device design that incorporates a protecting cover for the position sensor and fixing screw, allowing concurrent mounting with a sensor attachment bracket and nut plate, enabling easy attachment and adjustment while protecting against spatters and foreign objects, and allowing the cover to move with the sensor along the cylinder axis for uninterrupted operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the position sensor is exposed to the outside for easy access, then the ease of operation is improved, but the reliability deteriorates due to contamination and damage from spatter and foreign objects
Solution Approach 1:
The position sensor is nested within the protecting cover, which is integrated with the sensor attachment bracket. The protecting cover encloses the position sensor and fixing screw, providing protection while allowing the entire assembly to function as a unified structure that can be accessed and adjusted as a single unit.
2Reliability
If a separate cover is added to protect the position sensor, then the reliability is improved, but the device complexity increases due to additional attachment mechanisms
Solution Approach 1:
The protecting cover is merged with the sensor attachment bracket to form an integrated assembly. The fixing screw serves dual purposes: attaching both the position sensor and the protecting cover simultaneously. This integration eliminates the need for separate attachment mechanisms for the cover and sensor, reducing overall device complexity while maintaining protective functionality.
3Reliability
If a separate cover mechanism is added to protect the position sensor, then the reliability is improved, but the ease of operation deteriorates due to the need to remove the cover for adjustments
Solution Approach 1:
The protecting cover and position sensor are merged into a single attachable assembly. When the fixing screw is loosened, both the position sensor and protecting cover can be displaced together along the cylinder axis line, allowing adjustments to be made without separately removing the cover. This integrated design maintains protection during operation while enabling convenient adjustment when needed.
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 design effectively protects the position sensor and fixing screw from contamination and damage, simplifies the attachment process, and eliminates the need to remove the cover during adjustments, enhancing operational efficiency and reducing the risk of tool jamming.
Implementation Method 1
an operating position of a piston moving back and forth in a cylinder tube by the action of fluid pressure is detected by a magnet mounted to the piston and a magnetic sensing type position sensor attached to the cylinder tube
Data Source
AI summary
A piston position detecting device includes a position sensor, a fixing screw for attaching the position sensor to an outer periphery of the cylinder tube through the intermediary of a sensor attachment bracket, a nut plate into which the fixing screw is screwed, and a protecting cover covering the position sensor and the fixing screw, wherein the position sensor and the protecting cover are able to be concurrently mounted to the cylinder tube using the fixing screw through the intermediary of a sensor attachment bracket by forming the nut plate from a portion of the protecting cover, and in addition, when the position sensor is position-adjusted, the position sensor and the protecting cover are enabled to be displaced together.