Length measuring device with supporting rods
A technology of length measurement and support rods, applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problem that measuring tools cannot perform accurate length measurement, and achieve the effect of accurate length measurement
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Embodiment 1
[0029] A length measuring device with a support rod, comprising a housing, on which a locking screw is installed, on the housing is connected a locking support rod that can expand and contract along the length direction of the housing, on the housing is located above the locking support rod and is installed A movable support rod, the movable support rod includes a first measuring handle and a first measuring head, the locking supporting rod includes a second measuring handle and a second measuring head, and the first measuring head can rotate along the axis of the first measuring handle , the second measuring head can rotate along the axis of the second measuring handle, a spring reel is installed in the housing, a wire rope is arranged on the spring reel, a measuring wheel and a guide wheel are installed in the housing, the The wire rope is wrapped around the measuring wheel and passed through the guide wheel into the locking support bar, and then fixed on the first measuring ...
Embodiment 2
[0032] On the basis of Embodiment 1, the reading mechanism includes a display screen installed in the housing, the display screen is electrically connected to a microprocessor, the microprocessor is electrically connected to a counter, and the counter is connected to the measuring wheel, A battery is also provided, and the battery is electrically connected with the display screen, the microprocessor, and the counter respectively, and several buttons are installed on the display screen. Through this setting, the battery supplies power to the display screen, microprocessor, and counter, and the measuring wheel measures the length of the pulled-out cord and displays the reading on the display screen after being processed by the counter and microprocessor, which is convenient for observing and reading measurement data.
Embodiment 3
[0034] On the basis of embodiment 2, the battery is a rechargeable battery.
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