Mining explosion-proof and intrinsically safe dual-power dual-loop lighting comprehensive protection device
The invention discloses a mining flameproof and intrinsically safe dual-power dual-loop lighting comprehensive protection device. The device comprises a support base, and a front cavity box body and arear cavity box body are fixedly mounted on the upper surface of the support base in sequence from f...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a mining flameproof and intrinsically safe dual-power dual-loop lighting comprehensive protection device. The device comprises a support base, and a front cavity box body and arear cavity box body are fixedly mounted on the upper surface of the support base in sequence from front to back; two binding post wire passing channels which are placed in the vertical direction arefixedly installed between the left and right sides of the front cavity box body and the rear cavity box body, wire boxes are fixedly installed on the upper surfaces of the front cavity box body and the rear cavity box body, and wire box cover plates are fixedly installed on the upper surfaces of the wire boxes. A rear sealing plate is hinged to the rear surface of the rear cavity box body, and two guide rail supports which are arranged in parallel are fixedly installed on the inner wall of the bottom end of the rear cavity box body. According to the invention, the arranged locking shaft is matched with the U-shaped gr |
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