Earth pressure balance shield machine without cutter disk
AssigneeChina Railway Engineering Equipment Group Co., Ltd.
InventorsJianbin Li, Yulian He
Life of this patent
Estimating the term…
Loading patent…
AssigneeChina Railway Engineering Equipment Group Co., Ltd.
InventorsJianbin Li, Yulian He
Estimating the term…
An EPB shield machine without disc cutter, which includes a partition unit formed by a moveable partition member (30) and a stationary partition member (31), a front shield unit (13) including a cutting unit (1) with cutting head (11) and cutting teeth (12), a shaft member (2) connected to the cutting head (11) and a power transmission unit formed by a transfer case (5), a reducer (6) and a driving motor (7). In the power transmission unit at an upper portion of the machine, the transfer case (5) is fixedly to the moveable partition member (30), a sliding arrangement supports the reducer (6) and the driving motor (7), which are connected to the transfer case (5, and a telescopic cylinder (26) is connected to the sliding arrangement. The machine has advantages of high cutting efficiency, balanced service life, high directional construability and high adaptability to tunnel cross section.
An earth pressure balance shield machine without disc cutter arrangement which comprises a cutting unit (1), a shaft member (2), a spiral waste collecting member (3), an earth pressure balance cabin (4), a transfer case (5), a reducer (6), a driving motor (7), a waste conveyor (9), a partition unit for the earth pressure balance cabin, a sliding support (25), a telescopic cylinder (26), a propulsion cylinder (16), an airlock chamber (27), a front shield unit (13), a middle shield unit (14), a rear shield unit (15) and a middle shield panel (32), characterized in that, said partition unit for the earth pressure balance cabin comprises a moveable partition member (30) and a stationary partition member (31), said front shield unit (13) comprises a cutting unit (1) at a front end of said front shield unit (13) in which said cutting unit (1) comprises a cutting head (11) and a plurality of cutting teeth (12) distributed on said cutting head (11), a shaft member (2) for said cutting head having two distal ends securely connected to said cutting head (11) and a power transmission unit respectively, said power transmission unit is formed by said transfer case (5), said reducer (6) and said driving motor (7) in which said transfer case (5) is connected to said reducer (6) and said driving motor (7),
Dependencies are inferred from the claim text.