Positioning device for low-pressure airtightness test of brake pump

A low-pressure airtight test positioning device of a brake pump comprises a base, a first air cylinder arranged on a first positioning plate of the base, a push plate connected to a piston rod of the first air cylinder, an air supply rod connected to the push plate, an air inflation hole formed in t...

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG HUIHONG, QUE BINFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	HAND TOOLS MANIPULATORS MEASURING PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	A low-pressure airtight test positioning device of a brake pump comprises a base, a first air cylinder arranged on a first positioning plate of the base, a push plate connected to a piston rod of the first air cylinder, an air supply rod connected to the push plate, an air inflation hole formed in the air supply rod, and an air core head communicated with the air inflation hole and installed on the air supply rod. A first air cylinder is arranged on a first positioning plate of the base, an air supply rod abuts against the end faces of two oil inlet and outlet columns of the cylinder body through the first air cylinder, so that the inflation hole is communicated with the oil inlet and outlet columns of the cylinder body, a second air cylinder is arranged on a second positioning plate of the base, and a push rod abuts against the surface of a cylinder body through the second air cylinder to form positioning, and positioning columns are arranged on the two sides of a bottom hole of the base. The cylinder body i