A device for measuring the displacement of the valve disc of a reciprocating pump
A technology of reciprocating pump and valve disc, applied in the direction of measuring device, electric device, instrument, etc., can solve the problems of lack of movement and displacement of valve disc, lack of test verification, etc., and achieve the effect of light weight and high sensitivity
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[0017] The device will be further described below in conjunction with the drawings.
[0018] 1. Measuring device structure
[0019] by figure 1 It can be seen that the measuring device only needs to consist of valve seat 1, valve disc 2, spring 3, upper guide rod 4, outer nut 5, inductive frequency modulation displacement sensor power cord 6, inductive frequency modulation displacement sensor signal line 7, and "O" sealing ring 8. Bolt 9, cylinder head 10, inner nut 11, hydraulic cylinder 12, inductive frequency modulation displacement sensor 13, inductive frequency modulation displacement sensor guide rod 14 and other components, among which the working cone of valve disc 2 corresponds to the valve seat 1. Cone fit (when the valve is closed); the waterproof and pressure-resistant inductive frequency modulation displacement sensor 13 is fixed on the cylinder head 10 by threads; the cylinder head 10 uses an "O" seal ring 8, and uses an outer nut 5 and an inner nut 11 Tighten it to...
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