Self-locking Reliability Testing Machine for Differential Safety Catch
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Solution Overview
Problem
Existing methods for detecting the self-lock performance of differential safety catches are inefficient, labor-intensive, and lack scientific rigor, making them unsuitable for repeated use and quality assurance.
Innovation Solution
A diagnostic device comprising a base plate, frame, releaser, mounting plates, air cylinders, position sensors, electromagnets, and a control cabinet that automates the testing process, ensuring stable and efficient detection of self-lock performance by controlling the release and holding of weights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual holding and releasing of weights is used to test self-lock performance, then the testing process can be performed with simple equipment, but the operational intensity is high and efficiency is low
Solution Approach 1:
The testing device performs the testing actions automatically without requiring manual intervention. The weight module is automatically released and held by the releaser mechanism, and the portable plate is automatically positioned by the air cylinder, enabling the system to test itself repeatedly without human operation.
Solution Approach 2:
The manual mechanical operation of holding and releasing weights is replaced by an automated releaser mechanism with electromagnets and mechanical linkages. The air cylinder replaces manual positioning, and the control cabinet coordinates all operations automatically, substituting mechanical manual control with an automated mechanical-electrical system.
2Ease of operation
If manual operation is used for repeated testing, then equipment cost is low, but the operational intensity and labor requirement are high
Solution Approach 1:
The testing process continues automatically without interruption. The control cabinet coordinates the air cylinder, releaser, and weight module to perform continuous testing cycles, eliminating the need for manual setup and recovery between tests, thus reducing total testing time while maintaining operational simplicity.
3Reliability
If conventional manual testing procedure is used, then the testing process is simple, but the scientific rigor and reliability of results are insufficient
Solution Approach 1:
The control cabinet receives feedback from the position sensor detecting the portable plate's position and from the count sensor detecting the number of falls. This feedback is used to automatically control the releaser and air cylinder, ensuring consistent testing conditions and reliable results while maintaining system coordination through automated control.
4Reliability
If 1000 times repeated manual testing is performed, then the self-lock performance can be adequately evaluated, but the operational intensity and time consumption are excessive
Solution Approach 1:
The device performs 1000 times repeated testing automatically without human intervention. The releaser mechanism automatically releases the weight module, the air cylinder automatically positions the portable plate, and the control cabinet coordinates all actions, enabling high-volume testing with minimal operational input while maintaining evaluation accuracy.
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 device significantly reduces operational intensity, enhances detection efficiency, and lowers manufacturing costs while ensuring consistent production, providing a reliable and efficient means to assess the self-lock function of differential safety catches.
Implementation Method 1
On each mounting plate an air cylinder, within which an air lever being disposed, is individually formed
Implementation Method 2
each of which includes a electromagnet, release claw and a leverage, and is configured to connect the electromagnet with one side of the leverage
Implementation Method 3
hanging weights to an end of the safety rope and manually holding weights up, then immediately releasing the weights enabling freely fall thereof
Data Source
Figure 1
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Figure 4~5
AI summary
The disclosed diagnostic device for detecting self-lock performance of a differential safety catch of the invention, comprising a base plate, an air pump, and a frame within which a releaser, a pair of mounting plate, one or two upper stop block(s), an impact base, and a control cabinet being disposed, which is characterized in that a hanger ring is fastened with a central hanger plate on top portion of the frame, for connecting with a differential safety catch of which bottom portion being connected to weight module; the pair of the mounting plate are oppositely disposed to separated said frame into upper and lower parts, on each mounting plate an air cylinder, within which an air lever being disposed, is individually formed, a connected portable plate, at least one of which being arranged with a position sensor, is fastened with lower portion of each air lever and actuated for a vertical motion with motivation thereof; beneath each mounting plate two gag lever ports of portable plate and one gag lever port of weight module are individually disposed, wherein the gag lever ports of portable plate is connected with the portable plate for preventing the skewing thereof during said vertical motion; two releasers being oppositely disposed are disposed respectively on the two portable plates, each of which includes a electromagnet, release claw and a leverage, and is configured to connect the electromagnet with one side thereof to form a detachable mechanical linkage and the release jaw with another side thereof that enables the release jaw vertically vibrating within a certain range while detached from the leverage, and the detachable mechanical linkage formed by the electromagnet and the leverage holding the weight module to prevent the fall thereof, respectively, wherein the release jaw horizontally extends toward the internal central axis of the frame to form a movable planet used for supporting weight module; the impact base is disposed in central portion of the base plate, of which centre axis is coincided with the weight module, as well as the differential safety catch thereof, a count sensor is further disposed on said impact base.