TH1529B - Methods and devices for pushing sleeves used in tunnel construction. - Google Patents

Abstract

Method of pushing the protective sleeve used in tunneling, which consists of steps of supporting a conical or conical head. cross-section with the crankshaft to cause Rotate the drill body in such a way that it deviates from the center. which causes laughter to be able to touch the soil to get rhythmic perforation This will cause the rotation of the drill head. To ensure stability of the soil in the area and to deliver pressure to the casing during movement in a direction that deviating from the center of the drill head

Claims (3)

1.Device for casing-type tunneling with outer diameter Which consists of The shoulder ring deflected from the center point, supported in such a way that it rotates by a partition wall that Overhang inside the protective sleeve case By the shoulder ring that deviates From that center is attached to a propulsion device First set to turn the shoulder ring Coupling shaft With the second drive device To rotate the articulated shaft Nguyen said And supported by the opposite end of the crankshaft. The first drive device And the second set, the shoulder ring that deviates from the center And the crankshaft will do A joint work to turn such a rotating drill head in a deviation from the center. To compress the soil to be firmly up front The casing creates a ring-shaped space equal to the outer center line. 2. The device as in claim 1 also contains an address casing. Between the wild ring deflected from the center and the shaft, with the shoulder ring attached to the said casing via a lever 3. Equipment as in claim 1, where the shoulder ring deflects Going from that center consists of a flange with external gear teeth, and where the first drive device included a retractable gear and a motor attached to the reduction gear, the gear had a transmission shaft. Which has an external gear Of the shoulder ring that deviates from the said center (3 claims, 1 face, 6 photos)