Stay wire measuring tool and application thereof
A technology for drawing wires and measuring tools, which is applied in measuring devices, using electrical devices, using electromagnetic means, etc., and can solve problems such as inconvenient use, inability to measure, and large volume occupied by the device
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[0069] as attached Figure 1-3 As shown, a wire measuring tool of the present invention includes a wire box body, a wire winding mechanism, a magnetic ring, and a data acquisition module, and an accommodation space is formed in the wire box body; the wire winding mechanism includes a roller, a coil spring and an inelastic backguy, and the roller can be The rotating one is set in the pull wire box body, the pull wire is wound on the roller and the free end of the pull wire passes through the pull wire box body, at least one of the two ends of the pull wire is a free end, and the coil spring is coaxially connected with the roller in the form of a flat scroll spring , and is located between the roller and the wire box body, used to drive the roller to rotate so that the rotating roller drives the wire to wind back on the roller; the side elevation of the outer diameter of the magnetic ring is uniformly alternated and equally spaced NS magnetic poles, the above magnetic ring and th...
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