Torque Detection Device with Adjustable Transmission Sets
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Solution Overview
Problem
Conventional torque detection devices experience torque clearance and reduced precision due to the fixed size of bearings and large side widths, leading to inaccurate measurements during torque tests on pivoting parts.
Innovation Solution
A torque detection device with a transmission module featuring two adjustable transmission sets and a drive module that adjusts the tightness between the torque transmission parts and the push member, eliminating torque clearance and ensuring precise measurement of maximum static friction torque.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a fixed-size bearing is used in the transmission mechanism, then the device structure is simple, but torque clearance is produced during multiple operations leading to reduced measurement precision
Solution Approach 1:
The bearing is replaced with an adjustable transmission set that can dynamically adjust its tightness. The transmission set includes adjustment members that allow the tightness between transmission components to be modified, enabling the system to adapt to wear and eliminate torque clearance while maintaining structural simplicity.
Solution Approach 2:
The tightness parameter of the transmission mechanism is made changeable through adjustment members. By modifying the tightness parameter, the system can eliminate torque clearance produced during operation without requiring a completely complex transmission mechanism design.
2Measurement precision
If a bearing with large side width is used, then the transmission function is adequate, but additional torque is produced during operation reducing measurement accuracy
Solution Approach 1:
The transmission mechanism is segmented into multiple transmission sets with separate adjustment capabilities. This segmentation allows each transmission set to be optimized independently, reducing the side width and associated additional torque while maintaining adequate transmission function through coordinated operation of multiple sets.
3Measurement precision
If the tightness between transmission components is increased to eliminate clearance, then measurement precision improves, but the device complexity and adjustment difficulty increase
Solution Approach 1:
The transmission set is designed with adjustment members that enable easy self-adjustment of tightness. The operator can conveniently adjust the tightness between transmission components using the provided adjustment mechanisms without requiring complex procedures or specialized tools, making the system easy to maintain and operate.
Data Source
AI summary
A torque detection device includes a base, a load sensing member, a push member, a transmission module, and a drive module. The push member has a first extension wall and a second extension wall. The transmission module includes two adjustable transmission sets each including a torque transmission part. The torque transmission part respectively rests on the first extension wall and the second extension wall of the push member. The torque transmission part of the transmission module applies a force to push and press the push member reciprocatingly. The push member transmits the force of the torque transmission part to the load sensing member which cooperates with an electronic device to measure the maximum static friction torque of a detected workpiece.