Mining full-automatic screen pipe lowering device and screen pipe lowering control method
The invention provides a mining full-automatic screen pipe lowering device. The mining full-automatic screen pipe lowering device comprises a booster 2, a protective cover 3, an elastic pressure measuring device 35 and a hole protecting pipe 42. The two sides of the protective cover 3 are connected...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a mining full-automatic screen pipe lowering device. The mining full-automatic screen pipe lowering device comprises a booster 2, a protective cover 3, an elastic pressure measuring device 35 and a hole protecting pipe 42. The two sides of the protective cover 3 are connected with the booster 2 through peripheral bolts, the elastic pressure measuring device 35 is fixedly connected with the booster 2 through bolts of the base 41, and the hole protecting pipe 42 is connected with the booster 2 through the connecting pipe 47. The hole protection pipe of the mining full-automatic screen pipe lowering device has an openable state, the length of the hole protection pipe can be connected in an inserted mode according to the actual hole distance requirement, and when the mining full-automatic screen pipe lowering device conveys the screen pipe upwards, the hole protection pipe is connected with the booster in an inserted mode, a hole opening is protected, and the screen pipe in a hole is preven |
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