(19)
(11) EP 0 872 596 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.03.1999 Bulletin 1999/13

(43) Date of publication A2:
21.10.1998 Bulletin 1998/43

(21) Application number: 98106388.6

(22) Date of filing: 08.04.1998
(51) International Patent Classification (IPC)6: E02D 17/13, E02F 3/28
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 17.04.1997 IT TO970324

(71) Applicant: SOILMEC S.p.A.
47023 Cesena, Forli (IT)

(72) Inventor:
  • Rivalta, Giorgio
    47026 Imola (Bologna) (IT)

(74) Representative: Di Francesco, Gianni et al
Ing. Barzanò & Zanardo Milano S.p.A. Corso Vittorio Emanuele II, 61
10128 Torino
10128 Torino (IT)

   


(54) Excavation equipment


(57) This invention relates to excavations for diaphragms, in particular to the type including : a hydraulic bucket (16), at least one wire line (21) to lift and lower the bucket (16) along a vertical excavation axis (x), a telescopic guide group (13 - 15) to guide the bucket along the excavation axis, and a rotation device (31) to rotate the bucket around the excavation axis. The rotation device (31) is interposed between the telescopic guide group (13 - 15) and the bucket (16) ; the wire line (21) is fixed to an element (15) arranged upstream of the rotation device (31). The equipment includes flexible conduits (19) for bucket activation and winding paddle wheels (20) to wind the conduits around a horizontal axis. The paddle wheels (20) are also mounted on a non rotating structural element (13) arranged upstream of the rotating device (31).






Search report