Portable mining jack durability testing device

The utility model provides a portable mining jack durability testing device is equipped with no pole chamber and has the pole chamber on the jack includes processing unit, liquid tank, inlet, return the liquid mouth and set up in the inlet respectively and two solenoid valves on returning the liquid mouth, liquid tank's export, the inlet other end and no pole chamber intercommunication are connected to inlet one end, return liquid mouth one end and have pole chamber intercommunication, return the liquid mouth other end and liquid tank's recovery mouth intercommunication, the last timing circuit that is connected with of processing unit, processing unit's signal output part controls opening or closing of two solenoid valves. The utility model discloses simple structure, with low costs, excellent in use effect can realize the test of jack durability through the reciprocating motion of jack, convenient to use does benefit to the maintenance. 种便携式矿用千斤顶耐久性检测装置，千斤顶上设有无杆腔和有杆腔，包括处理单元、液体箱、进液口、回液口以及分别设置于进液口和回液口上的两个电磁阀，