Assembling jig for acceptor and pilot valve body in electro-hydraulic servo valve and method thereof
A technology of electro-hydraulic servo valves and assembly fixtures, which is applied in the direction of manufacturing tools, workpiece clamping devices, metal processing, etc., can solve the problems of low assembly quality, large gap in technical level, poor operability, etc., and achieve good assembly quality and use Long life and high positioning accuracy
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[0013] See figure 1 , figure 2 , The assembling fixture for the receiver and the pilot valve body in the electro-hydraulic servo valve of the present invention includes an upper positioning block 5, a lower positioning block 1, a pilot valve body 2 and a pressure rod 6. Wherein, the pilot valve body 2 has upper and lower assembly holes 21 and 22 and a receiver cavity 20 which has a flat surface opposite to the reference surface of the receiver 4. The lower positioning block 1 is an inverted T-shaped block, and the shape of the outer end of the vertical rod 10 matches that of the lower assembly hole 22 of the pilot valve body 2. The upper positioning block 5 is a plate body, the center of its end surface is provided with a press-fit through hole 50 with the same diameter as the outer end of the receiver 4, and a positioning boss 51 that can be inserted into the assembling hole 21 of the pilot valve body 2 is provided on the lower end surface. The press-fit through hole 50 of the u...
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