Device for measuring valve disc displacement of reciprocating pump valve
A technology of measuring device and reciprocating pump, which is applied to measuring devices, electric devices, instruments, etc., can solve the problems of lack of test verification, lack of movement and displacement law of valve disc, etc., and achieve the effect of light weight and high sensitivity
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[0017] The set of devices will be further described below in conjunction with the accompanying drawings.
[0018] 1. Measuring device structure
[0019] Depend on figure 1 It can be seen that the measuring device only needs to be composed of valve seat 1, valve disc 2, spring 3, upper guide rod 4, outer nut 5, inductance frequency modulation displacement sensor power line 6, inductance frequency modulation displacement sensor signal line 7, and "O" type sealing ring 8. Bolt 9, cylinder head 10, inner nut 11, liquid cylinder 12, inductive frequency modulation displacement sensor 13, inductance frequency modulation displacement sensor guide rod 14 and other components, in which the working cone surface of valve disc 2 corresponds to that of valve seat 1 The taper fits (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; Fasten to prevent the pump from leaking; the gu...
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