Transmission Cable Cutting Tool With Immobilizing Jaw
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Solution Overview
Problem
Existing cutting devices for transmission cables often result in twisting or rotation during cutting operations, leading to involuntary cutting of reinforcements and non-optimized cuts, which compromises the tensile strength and usability of the cable.
Innovation Solution
A cutting device with oblong holding means that immobilize the transmission cable, featuring a movably mounted cutting tool along a guided slot, and abutment means to control the cut length, allowing for a salient angle less than 180 degrees to preserve mechanical properties, enabling precise cutting without damaging the cable's reinforcements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cutting device allows the cable to move relative to the support-cutting tool assembly, then the cutting operation can be performed, but the cable may twist or rotate during cutting, leading to involuntary cutting of reinforcements and non-optimized cuts
Solution Approach 1:
Instead of moving the cable relative to the cutting tool as in prior art, the invention inverts the approach by moving the cutting tool relative to the immobilized cable. The cable is held stationary in oblong holding means, and the cutting tool moves along a guided slot to perform the cut, thereby preventing twisting and rotation during the cutting operation
Solution Approach 2:
The invention introduces guide means comprising a slot as an intermediary element between the cutting tool and the holding means. This slot guides the movement of the cutting tool along a predetermined path, ensuring precise cutting while the cable remains immobilized in the oblong holding means
2Device complexity
If the cutting tool is fixedly mounted on the support, then the structure is simple, but the cable may twist during cutting, compromising the tensile strength properties
Solution Approach 1:
The invention inverts the traditional approach by making the cutting tool movable rather than fixed. The cutting tool is mounted to move along the guide means while the cable remains stationary in the holding means, preventing cable twisting and preserving tensile strength properties
3Productivity
If the cutting device cuts the sheath into two substantially equal parts, then the cutting operation is efficient, but the transmission medium is exposed to elements that could degrade it
Solution Approach 1:
The invention applies local quality by making the holding means oblong (longer than deep) to provide localized immobilization of the cable. This oblong shape with a jaw structure provides targeted holding in the critical region where the cable needs to be secured during cutting, preventing twisting at the cutting location while maintaining cable integrity
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The device (1) has a hollow body (10) with maintenance units constituted by an articulation (13) for maintaining a transmission cable (2) during cutting operations, and slots for respectively guiding and sliding of cutting tools (11a, 11b). The tools and the slots are arranged along a length of the articulation, and the tools are movably mounted along the articulation. The slots include stop units for limiting travel of the tools. The cutting tools are placed on both sides of an opening of a jaw and projected from the jaw along a direction perpendicular to an internal surface of the jaw.