A dual-cylinder type automatic control system and control method for windshields in coal mines
A control system and dual-cylinder technology, which are used in mine/tunnel ventilation, mining equipment, earth-moving drilling, etc., to achieve the effect of accurately controlling the air volume of the roadway
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[0038] like Figure 1-3 As shown in the figure, a double-cylinder automatic control system for wind windows in a coal mine includes a signal acquisition system and a control adjustment system. PLC controller 14 connected in sequence; the control and adjustment system includes shutter shutter 1, movable shutter shutter 2, positioning cylinder 4, clutch lock nut 6, power cylinder 7, first solenoid valve 10, second Solenoid valve 11, PLC controller 14, auxiliary element 12 and air source 13, the inner frame of the wind shutter shutter 1 is provided with a wind window track 3, and a movable roller shutter wind window is slid on the wind window track 3 2, and one side of the movable roller shutter 2 is connected with the piston push-pull rod 25 of the power cylinder 7, and the clutch lock nut 6 is respectively connected with the push-pull rod of the power cylinder 7 and the positioning cylinder 4; The two output ends of the first solenoid valve 10 are respectively connected with t...
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