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1. WO2016147009 - DREDGING APPARATUS AND METHOD OF DREDGING

Publication Number WO/2016/147009
Publication Date 22.09.2016
International Application No. PCT/GB2016/050767
International Filing Date 18.03.2016
IPC
E02F 3/92 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
FDREDGING; SOIL-SHIFTING
3Dredgers; Soil-shifting machines
04mechanically-driven
88with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
90Component parts, e.g. drives, control devices
92Digging elements, e.g. suction heads
CPC
E02F 3/188
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
3Dredgers; Soil-shifting machines
04mechanically-driven
18with digging wheels turning round an axis ; , e.g. bucket-type wheels
188with the axis being horizontal and transverse to the direction of travel
E02F 3/9262
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
3Dredgers; Soil-shifting machines
04mechanically-driven
88with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
90Component parts ; , e.g. arrangement or adaptation of pumps
92Digging elements, e.g. suction heads
9256Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
9262with jets
E02F 3/9281
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
3Dredgers; Soil-shifting machines
04mechanically-driven
88with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
90Component parts ; , e.g. arrangement or adaptation of pumps
92Digging elements, e.g. suction heads
9256Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
9268with rotating cutting elements
9281with axis of rotation in horizontal and transverse direction of the suction pipe
E02F 3/9293
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
3Dredgers; Soil-shifting machines
04mechanically-driven
88with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
90Component parts ; , e.g. arrangement or adaptation of pumps
92Digging elements, e.g. suction heads
9293Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
E02F 5/006
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
5Dredgers or soil-shifting machines for special purposes
006adapted for working ground under water not otherwise provided for
Applicants
  • WORMALD, Daniel J. [GB]/[GB]
Inventors
  • WORMALD, Daniel J.
Agents
  • N. J. AKERS & CO.
Priority Data
1504671.719.03.2015GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DREDGING APPARATUS AND METHOD OF DREDGING
(FR) APPAREIL DE DRAGAGE ET PROCÉDÉ DE DRAGAGE
Abstract
(EN)
A dredging head assembly (12) for deploying on the bed (6) of a body of water (2), is provided, the assembly comprising a cutter housing (104) having a cutting opening (122) for extending over a section of the bed from which material is to be removed; a cutting assembly (130a) disposed within the cutter housing, the cutting assembly operable through the cutting opening in the cutter housing to loosen material from the bed; and an outlet opening (148) in the cutter housing for removing water and entrained material from within the cutter housing under suction; wherein the cutter housing comprises a plurality of holes (140;240) therein, in use water being drawn into the cutter housing through the holes under the action of reduced fluid pressure within the cutter housing. A dredging assembly (10) comprising the dredging head assembly (12) and a method of dredging are also provided.
(FR)
Un ensemble tête de dragage (12) pour déployer sur le lit (6) d'un corps d'eau (2) est prévu, l'ensemble comprenant un boîtier de coupe (104) ayant une ouverture de coupe (122) pour s'étendre sur une section du lit duquel le matériau doit être éliminé; un ensemble de coupe (130a) disposé dans le boîtier de coupe, l'ensemble de coupe pouvant être actionné à travers l'ouverture de coupe dans le boîtier de coupe pour détacher du matériau à partir du lit; et un orifice de sortie (148) dans le boîtier de coupe pour l'élimination de l'eau et du matériau entraîné de l'intérieur du boîtier de coupe par aspiration; le boîtier de coupe comprenant une pluralité de trous (140;240) à l'intérieur, l'eau en cours d'utilisation étant aspirée dans le boîtier de coupe à travers les trous sous l'action d'une pression de fluide réduite dans le boîtier de coupe. Un ensemble de dragage (10) comprenant l'ensemble tête de dragage (12) et un procédé de dragage sont également décrits.
Also published as
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