A pressure-holding detection device
A technology for testing equipment and compressing cylinders, applied in measuring devices, testing of fluid tightness, testing of machine/structural components, etc., can solve problems such as difficult control of force, complicated operation process, damage to steel-plastic conversion joints, etc., to achieve The detection process is smooth and efficient, the action continuity is good, and the effect of strengthening the sealing effect
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0026] Such as Figure 1 to Figure 7 In the shown embodiment, a pressure-holding detection device includes a main frame, an air supply pump 1, a plugging cylinder, a compression cylinder, a limit seat 3, a horizontal shaft tube 2 with both ends closed, and a For the joint support frame 4 that supports the steel-plastic conversion joint and makes the axis of the steel-plastic conversion joint in a horizontal state, the plugging cylinder, compression cylinder, and joint support frame are all arranged on the main frame, and the sealing cylinder includes a head cylinder Body 51, the head cylinder piston that is sliding and sealingly matched with the head cylinder body, the head piston rod 52 connected with the head cylinder piston, the head piston rod is horizontal and the retractable direction of the head piston rod is horizontal, and the compress...
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