Hydraulic anti-jamming control system for drill loader
A control system, drilling and installation technology, applied in cutting machinery, slitting machinery, earth-moving drilling and other directions, can solve problems such as poor anti-jamming function, and achieve the effect of improving effect, good energy saving effect, and simple and convenient operation.
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[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0026] As shown in the figure, the hydraulic anti-jamming control system of the drilling rig in this embodiment includes an oil tank 22, a plunger pump 1, a multi-way reversing valve 2, a pilot oil source valve group 4, a pilot oil control valve group 5, and a hydraulic pilot control valve. Valve 11, hydraulic pilot control valve device 12, anti-jamming valve group 6, balance valve group 7, propulsion cylinder 8, impactor 9 and brazing motor 10,
[0027] The oil outlet of the plunger pump 1 is respectively connected with the multi-way reversing valve 2 and the pilot oil source valve group 4, and the oil return port of the multi-way reversing valve 2 and the pilot oil source valve group 4 passes through the cooler 21 and the oil tank 22 connections;
[0028] The P2 port of the pilot oil source valve group 4 is connected with the hydraulic pilot control ...
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