DE2300446B2 - Device for digging a trench for laying underwater pipelines - Google Patents

Device for digging a trench for laying underwater pipelines

Info

Publication number
DE2300446B2
DE2300446B2 DE19732300446 DE2300446A DE2300446B2 DE 2300446 B2 DE2300446 B2 DE 2300446B2 DE 19732300446 DE19732300446 DE 19732300446 DE 2300446 A DE2300446 A DE 2300446A DE 2300446 B2 DE2300446 B2 DE 2300446B2
Authority
DE
Germany
Prior art keywords
cutting blades
digging
trench
underwater pipelines
laying underwater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19732300446
Other languages
German (de)
Other versions
DE2300446C3 (en
DE2300446A1 (en
Inventor
Guido Casagrande
Giovanni Rosa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saipem SpA
Original Assignee
Saipem SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saipem SpA filed Critical Saipem SpA
Publication of DE2300446A1 publication Critical patent/DE2300446A1/en
Publication of DE2300446B2 publication Critical patent/DE2300446B2/en
Application granted granted Critical
Publication of DE2300446C3 publication Critical patent/DE2300446C3/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • E02F3/9218—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
    • E02F3/9231—Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
    • E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
    • E02F3/9237—Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E02F5/107—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using blowing-effect devices, e.g. jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E02F5/108—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using suction-effect devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/104—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water
    • E02F5/109—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables for burying conduits or cables in trenches under water using rotating digging elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Electric Cable Installation (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Durch die Hochdruckwasserdüsen im Bereich der Uurcn die nm. dauernd vom Aushubma-Due to the high pressure water nozzles in the area of the Uurcn the nm.

Claims (1)

Patentanspruch:Claim: Vorrichtung zum Ausheben eines Grabens zum Verlegen von Unterwasser-Rohrleitungen auf dem Boden eines Gewässers, mit einem sich auf dem Boden des Gewässers abstützenden, durch das begleitende Wasserfahrzeug beweglichen Rahmen, mit umlaufenden Schneidblättern und mit Absaugrohren, dadurch gekennzeichnet, daß die Schneidblätter (e2) auf hohlen, im wesentlichen senkrechten, als Absaugrohr dienenden Wellen (el) gelagert und über diese drehbar sind und daß Hochdruckwasserdüsen (e4) zum Freihalten der Schneidblätter (e2) von anhaftendem Aushubmaterial an den Wellen hinter den Schneidblättern angeordnet sind.Device for digging a trench for laying underwater pipelines on the Bottom of a body of water, with one resting on the bottom of the body of water, through the accompanying one Watercraft movable frame, with circumferential cutting blades and with suction pipes, characterized in that the cutting blades (e2) are hollow, essentially vertical shafts (el) serving as suction tubes are supported and can be rotated via these and that high-pressure water nozzles (e4) to keep the cutting blades (e2) free from adhering excavation material the shafts are arranged behind the cutting blades. 1Ti von""-en nach oben schema.isch eine Draut-" sich, IiK Ans"* des hin,«« Endes und « Vorder- 1Ti from "" - en up schema.isch a Draut- "sich, IiK Ans" * des hin, «« end and «front
DE19732300446 1972-01-14 1973-01-05 Device for digging a trench for laying underwater pipelines Expired DE2300446C3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1937572 1972-01-14
IT1937572A IT946582B (en) 1972-01-14 1972-01-14 DEVICE FOR EXCAVING A TRIN CEA UNDER A SUBMERSIBLE PIPE AND RELEVANT IMPLEMENTING METHOD

Publications (3)

Publication Number Publication Date
DE2300446A1 DE2300446A1 (en) 1973-07-26
DE2300446B2 true DE2300446B2 (en) 1975-11-27
DE2300446C3 DE2300446C3 (en) 1976-07-15

Family

ID=

Also Published As

Publication number Publication date
NL161534B (en) 1979-09-17
AU471596B2 (en) 1974-06-27
DE2300446A1 (en) 1973-07-26
FR2167550B1 (en) 1975-03-28
ES410580A1 (en) 1975-12-01
AU5037772A (en) 1974-06-27
NL161534C (en) 1980-02-15
FR2167550A1 (en) 1973-08-24
NL7907100A (en) 1980-03-31
GB1399802A (en) 1975-07-02
IT946582B (en) 1973-05-21
NL7300436A (en) 1973-07-17

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee