A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
EXCAVATING APPARATUS AND EXCAVATING METHOD
Provided are an excavating apparatus and an excavating method which are capable of reducing a shear force to be applied to a fastening member fixedly fastening an excavation blade plate and a chain together. A trench excavator serving as the excavating apparatus is equipped with a cutter post, a chain, a second cutter bit plate, and a shoe bolt. The second cutter bit plate includes a pair of restraint plates disposed on both sides of and across the chain in a width direction of the chain to extend from a reverse surface of a plate body. The pair of restraint plates are configured to be brought into contact with the cutter post along with a circulating movement of the chain and the second cutter bit plate, to thereby restrict the second cutter bit plate from being rotated about an axis extending along a circulating movement direction.
EXCAVATING APPARATUS AND EXCAVATING METHOD
Provided are an excavating apparatus and an excavating method which are capable of reducing a shear force to be applied to a fastening member fixedly fastening an excavation blade plate and a chain together. A trench excavator serving as the excavating apparatus is equipped with a cutter post, a chain, a second cutter bit plate, and a shoe bolt. The second cutter bit plate includes a pair of restraint plates disposed on both sides of and across the chain in a width direction of the chain to extend from a reverse surface of a plate body. The pair of restraint plates are configured to be brought into contact with the cutter post along with a circulating movement of the chain and the second cutter bit plate, to thereby restrict the second cutter bit plate from being rotated about an axis extending along a circulating movement direction.
EXCAVATING APPARATUS AND EXCAVATING METHOD
MIZUTANI MOTOHIKO (author)
2018-04-05
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
Excavating apparatus, excavation blade plate and excavating method
| European Patent Office | 2019
EXCAVATING APPARATUS, EXCAVATION BLADE PLATE AND EXCAVATING METHOD
| European Patent Office | 2018