Synchronous oil supply and hold-down device for detecting high-pressure common-rail oil sprayer online and application method thereof
A common rail fuel injector and high pressure common rail technology, which is applied in the testing of measuring devices, fuel injection devices, and machine/structural components, etc., can solve the problem of low stability and reliability, oil leakage on the sealing surface, and affecting the sealing effect. and other problems, to achieve the effect of improving reliability and authenticity, improving high-pressure sealing performance, and improving detection efficiency
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[0023] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings:
[0024] A high-pressure common rail injector online detection synchronous oil supply and pressing device, such as figure 2 and image 3 As shown, it includes a high-pressure oil filling joint 1, a fastening nut sleeve 2, a piston sleeve 3, a pressure relief end cover 4, an oil filling piston 5, a fixed seat sleeve 6, a cylinder 7, a connecting plate 8, and a common rail injector to be tested 9 And the injector mounting sleeve 10, the high-pressure oil injection joint 1 is sealedly installed on the oil inlet end of the piston sleeve 3 by tightening the nut sleeve 2, and the oil injection piston 5 is a stepped structure with an oil delivery hole 51 in the center, which is formed by the No. A guide section 52, a second guide section 53 and a butt joint 54 are formed. The first guide section 52 is fitted into the inner hole of the piston sleeve 3, the ...
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