Tunnel construction equipment
The tunnel construction equipment comprises a fixing plate and a filtering box, four first supporting legs are symmetrically installed at the lower end of the fixing plate, a bottom plate is installed among the four first supporting legs, a semi-circular block is installed at the upper end of the fi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The tunnel construction equipment comprises a fixing plate and a filtering box, four first supporting legs are symmetrically installed at the lower end of the fixing plate, a bottom plate is installed among the four first supporting legs, a semi-circular block is installed at the upper end of the fixing plate, a semi-arc groove is formed in the front end of the semi-circular block, a semi-arc hole is formed in the outer surface of the semi-circular block, and the semi-arc hole communicates with the semi-arc groove; the outer surface of the arc-shaped rod is sleeved with five sliding blocks, the sliding blocks are slidably connected with the arc-shaped rod, first hollow rods are installed on the outer surfaces of the sliding blocks and located on the outer sides of the semicircular blocks, a plurality of dust collection heads are installed at the rear ends of the first hollow rods, connecting ropes are installed among the five first hollow rods, and the front ends of the semicircular blocks are rotationally co |
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