Global Patent Index - EP 3927986 A1

EP 3927986 A1 20211229 - DRIVE DEVICE FOR A DIAPHRAGM WALL CUTTER

Title (en)

DRIVE DEVICE FOR A DIAPHRAGM WALL CUTTER

Title (de)

ANTRIEBSEINRICHTUNG FÜR EINE SCHLITZWANDFRÄSE

Title (fr)

DISPOSITIF D'ENTRAÎNEMENT POUR UNE FRAISE DE RIDEAU SOUTERRAIN

Publication

EP 3927986 A1 20211229 (DE)

Application

EP 20712861 A 20200305

Priority

  • DE 102019107588 A 20190325
  • DE 102019111774 A 20190507
  • EP 2020055789 W 20200305

Abstract (en)

[origin: CN113646552A] The invention relates to a drive device for a diaphragm wall cutter (1), with a hydraulic motor (8), a gear unit (9), to which at least one cutting wheel (3) of the diaphragm wall cutter can be connected on the output side, and a drive shaft (12) which connects the hydraulic motor to the gear unit, wherein the drive shaft is mounted by way of at least one drive shaft bearing (25) which is arranged between the hydraulic motor and the gear unit, wherein the drive shaft bearing has a lubricant feed line (14) which is connected to a leakage discharge line of the hydraulic motor and/or to the hydraulic circuit in order to operate the hydraulic motor, and is configured to lubricate the drive shaft bearing with hydraulic oil.

IPC 8 full level

F16C 33/66 (2006.01); E02D 17/13 (2006.01); E02F 3/24 (2006.01); F16N 7/36 (2006.01)

CPC (source: EP)

E02D 17/13 (2013.01); E02F 3/205 (2013.01); E02F 3/246 (2013.01); F16C 33/6677 (2013.01); F16N 7/36 (2013.01); F16N 7/366 (2013.01); E02F 3/475 (2013.01); E02F 9/264 (2013.01); F16C 2300/34 (2013.01); F16C 2350/26 (2013.01); F16N 2210/04 (2013.01); F16N 2210/14 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102019111774 A1 20201001; CN 113646552 A 20211112; CN 113646552 B 20231212; EP 3927986 A1 20211229

DOCDB simple family (application)

DE 102019111774 A 20190507; CN 202080021855 A 20200305; EP 20712861 A 20200305