Crown block anti-collision system protection structure
The utility model discloses a crown block anti-collision system protection structure which comprises a bottom cover shell and a face cover shell, an equipment box is arranged on the bottom cover shell, a miniature vacuum pump is arranged in the equipment box, an exhaust nozzle of the miniature vacuu...
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| creator | ZHANG QUANLIANG LIU LUSHUAI SUN XIANG SUN DANNA DING JIAMIN DING ZHONGLIANG TAO XINJIANG WANG JIQING ZHANG DAYI HU ZHIGANG DING CHAO |
| description | The utility model discloses a crown block anti-collision system protection structure which comprises a bottom cover shell and a face cover shell, an equipment box is arranged on the bottom cover shell, a miniature vacuum pump is arranged in the equipment box, an exhaust nozzle of the miniature vacuum pump is communicated with an inner cavity of the bottom cover shell, and an air suction nozzle of the miniature vacuum pump extends to the outer side of the equipment box; the face cover shell is detachably arranged on the bottom cover shell, the face cover shell and the bottom cover shell jointly define a photoelectric switch containing cavity, the face cover shell is provided with a slot corresponding to the photoelectric switch, and the face cover shell and the bottom cover shell are provided with photoelectric switch threading holes in a matched mode. According to the utility model, the photoelectric switch is surrounded by the bottom cover shell and the surface cover shell to a large extent, the interior of |
| format | Patent |
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| subjects | CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS |
| title | Crown block anti-collision system protection structure |
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