EP0709526A2 - Wiederauffüllvorrichtung für Rohrleitungsgräben - Google Patents

Wiederauffüllvorrichtung für Rohrleitungsgräben Download PDF

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Publication number
EP0709526A2
EP0709526A2 EP95402080A EP95402080A EP0709526A2 EP 0709526 A2 EP0709526 A2 EP 0709526A2 EP 95402080 A EP95402080 A EP 95402080A EP 95402080 A EP95402080 A EP 95402080A EP 0709526 A2 EP0709526 A2 EP 0709526A2
Authority
EP
European Patent Office
Prior art keywords
trench
chassis
pipe
frame
strip
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.)
Withdrawn
Application number
EP95402080A
Other languages
English (en)
French (fr)
Other versions
EP0709526A3 (de
Inventor
Alain Lebaigue
Edward Joseph Klamar
Jean Michel Meteye
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.)
Societe Miniere et Commerciale SOMICO SAS
Dite K N I Inc Ste
Original Assignee
Societe Miniere et Commerciale SOMICO SAS
Dite K N I Inc Ste
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9468389&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0709526(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Societe Miniere et Commerciale SOMICO SAS, Dite K N I Inc Ste filed Critical Societe Miniere et Commerciale SOMICO SAS
Publication of EP0709526A2 publication Critical patent/EP0709526A2/de
Publication of EP0709526A3 publication Critical patent/EP0709526A3/de
Withdrawn legal-status Critical Current

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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
    • E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
    • E02F5/145—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids control and indicating 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
    • 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
    • E02F5/14—Component parts for trench excavators, e.g. indicating devices travelling gear chassis, supports, skids
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
    • E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
    • E02F5/226—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling with means for processing the soil, e.g. screening belts, separators; Padding machines

Definitions

  • the present invention relates to backfilling devices for a trench, in particular a trench in which is housed a pipe for transporting a fluid.
  • a screening and backfilling device of this type usually includes a hopper for receiving the materials used for backfilling, a continuous conveyor arranged below the hopper, and a vibrating screen system fed by the continuous conveyor and intended to fill the trench of successive layers of materials having a determined particle size.
  • the assembly is supported by a chassis which is itself supported, cantilevered above the trench to be backfilled, by a carrying arm, integral with a tractor or the like. It is thus possible to backfill, a trench, by making a single pass with this device, with different layers of materials of different particle sizes.
  • the present invention aims to remedy these drawbacks by proposing a device for backfilling trenches which is equipped with means suitable for installing the warning tape and the cable sheath without the manual intervention of a worker.
  • the invention relates to a device for backfilling a trench, in particular a trench in which is housed a pipe for transporting a fluid, this device comprising a frame capable of being moved longitudinally above the trench using a means of locomotion, this frame supporting an embankment storage means, as well as means for screening and pouring this embankment on the plumb with the trench, this device being characterized in that, of a part of the said chassis disposed in front of the means for screening and pouring the fill, in the direction of movement of the chassis relative to the trench, are integral, d on the one hand, support means capable of receiving a roll of a warning strip and of allowing it to pivot freely around its axis by unwinding the strip, on the other hand, a roll of application of this strip mounted on the below the chassis and above the unrolled strip, so as to apply the latter to an embankment material previously poured into the trench on the pipe to be protected.
  • the tape application roller Since the tape application roller is supported by the front part of the device chassis, as the device progresses along the trench, the warning tape will be applied continuously by this roller against the embankment covering the pipe. and it will itself be covered immediately by a new layer of fill pouring out at the rear of the chassis.
  • the two layers of backfill can be discharged simultaneously by the device, in a manner known per se, by screening and dumping means offset on the chassis along the length of the trench.
  • the support means intended to receive the roll of the warning strip may simply comprise two U-section elements turned upwards and supported below the chassis by a member integral with the latter, and a rod intended to be engaged in the roller along its axis, to form an axis of rotation, and to rest in the U-shaped elements.
  • the scraper blade will advantageously be fixed below the chassis of the device, in front of the tape application roller, in the direction of movement of the device, so that the tape is applied to an embankment surface substantially flattened by this scraper blade.
  • the scraper blade and / or the application roller are preferably adjustable in height with respect to the chassis, for example using a system of jacks.
  • a guidance system comprising a cable (or chain) suspended from the end of a support means disposed at the front of the chassis, in its direction of movement, will serve as a guide means for the tractor driver driving the device above the trench, who must endeavor to keep the end of this cable or chain in contact with the upper part of the conduct.
  • a support means disposed at the front of the chassis carries a guide structure, which covers the pipe and of which is laterally integral at least one ring in which can be engaged a sheath of signal transmission cable, previously disposed at the edge of the trench, which is thus taken up by the guide structure, as the chassis of the device according to the invention advances, to be placed laterally at a constant distance from the pipe and be buried in this position in the embankment that the device pours into the trench.
  • the guide structure may simply have the shape of a portion of cylinder complementary to the profile of the pipe, so as to cover the latter and to rest on it.
  • the device 1 is arranged above a trench 2 to be backfilled, in which a pipe 3 is housed.
  • the device 1 is carried by a tractor 4, which moves laterally along the trench.
  • the device 1 is secured to the tractor by articulated arms such as 5 and 6 and a lifting system 7 by cable or jack is also provided.
  • the device 1 is of the type described in US Pat. No. 4,955,756, but it could naturally be different. It comprises a frame 8, which supports a hopper 9 intended to receive the raw fill and to pour it on a continuous conveyor 10.
  • the conveyor 10 in turn pours the fill onto a screening assembly 11 with vibrating screens, which, by the 'Intermediate troughs such as 12, successively pour into the trench a first layer of backfill 13 of a relatively fine particle size in which is embedded the pipe 3, then at least a second layer such as 14, of coarser particle size.
  • the present invention proposes, on the one hand, to interpose between the layers 13 and 14 of backfill, a strip 15 warning of the presence of the pipe 3 and, on the one hand, to arrange laterally with respect to the pipe 3 a sheath 16 for one or more cables for transporting information and control signals, this sheath being previously arranged at the edge of the trench 2, all these operations being carried out simultaneously by the device 1, at the same time as the operations of backfilling.
  • the backfill layer 13 is thus flattened by the blade 18, while, simultaneously, at the rear of this blade, the warning strip 15 unrolls from the roller 21 and is applied by the roller 22 against the embankment 13, to be immediately covered by the embankment 14.
  • a structure guide 28 which can be seen in more detail in FIG. 3.
  • This guide structure 28, made up of beams 29, has a cylindrical profile complementary to that of the pipe 3, on which it rests by rollers 30, mounted pivoting on the beams 29. The structure 28 can thus faithfully follow the path imposed on it by the pipe 3, during the movement of the chassis 8.
  • the structure 28 thus drives in its movement the rings 32, which take up the sheath 16 at a substantially constant distance from the edge and from the pipe 3, in a position in which it is then immobilized by the fill 13 that the chassis 8 pours, backfill in which it is thus embedded.
  • this operation of positioning the sheath 16 is also carried out in synchronization with the other operations controlled by the chassis, without requiring any manual intervention by a worker at the bottom of the trench.
  • the driver of the tractor 4 can thus permanently adjust the position of the device 8, so that the chain 35 remains in contact with the pipe 3.
  • a cable 36 driven at one end by a winch 37, passes over a deflection pulley 38 carried by the beam 34 and supports at its end the arm 26, of which the guide structure 28 is integral. It is thus possible to raise this structure when necessary, or when the device 1 is not used.
  • the scraper blade 18 and the roller 22 are preferably adjustable vertically with respect to the chassis, for example using a system of jacks.
  • the invention therefore proposes a device for backfilling trenches which is simple and easy to handle, which, by means of inexpensive arrangements of the usual devices, allows them to fulfill new advantageous functions, in synchronization with their usual functions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Road Paving Machines (AREA)
  • Electric Cable Installation (AREA)
EP95402080A 1994-10-31 1995-09-14 Wiederauffüllvorrichtung für Rohrleitungsgräben Withdrawn EP0709526A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9413032 1994-10-31
FR9413032A FR2726304B1 (fr) 1994-10-31 1994-10-31 Perfectionnements aux dispositifs de remblayage d'une tranchee, notamment d'une tranchee dans laquelle est logee une conduite de transport d'un fluide

Publications (2)

Publication Number Publication Date
EP0709526A2 true EP0709526A2 (de) 1996-05-01
EP0709526A3 EP0709526A3 (de) 1996-07-24

Family

ID=9468389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402080A Withdrawn EP0709526A3 (de) 1994-10-31 1995-09-14 Wiederauffüllvorrichtung für Rohrleitungsgräben

Country Status (4)

Country Link
US (1) US5632574A (de)
EP (1) EP0709526A3 (de)
FR (1) FR2726304B1 (de)
MA (1) MA23702A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19513047C2 (de) * 1995-03-29 1998-07-02 Meyer & John Gmbh & Co Verfahren und Vorrichtung zum Aufrechterhalten der Vorflut beim Erstellen eines neuen Kanals
AU4579199A (en) 1998-06-19 2000-01-05 Ryan Incorporated Eastern Apparatus and methods for placing and engaging elongate workpieces
FR2780079B1 (fr) * 1998-06-19 2000-09-08 Miniere Et Commerciale Soc Procede et dispositif de remblayage d'une tranchee
US9022690B2 (en) * 2013-01-31 2015-05-05 Gaetan TROTTIER Cable recovery device and system
FR3126434B1 (fr) * 2021-09-02 2023-09-08 Groupe Marais Trancheuse munie d’un système de guide câble comportant au moins un guide câble à plusieurs positions.
IT202200009344A1 (it) * 2022-05-09 2023-11-09 Rocco Guerrisi Costr S R L Macchina operatrice riempitiva e autolivellante di materiali da rinterro per scavi a sezione obbligata inerenti la posa di condotte di pubblica utilità (metano, telefonia, acquedotti, fognature e distribuzione elettrica).

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955756A (en) 1988-05-31 1990-09-11 Ed Klamar Pipeline padding system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB410900A (en) * 1932-12-23 1934-05-31 County Of London Electric Supp Improvements in or relating to apparatus for laying underground cables
FR1399392A (fr) * 1964-06-24 1965-05-14 Installation d'irrigation des territoires secs
US3460350A (en) * 1965-05-24 1969-08-12 Toro Mfg Corp Irrigation apparatus
US3339369A (en) * 1965-10-14 1967-09-05 F B Ryan Mfg Company Identification tape plow
US3849999A (en) * 1973-11-02 1974-11-26 E Coffey Trailer type mole unit
US4289424A (en) * 1980-01-07 1981-09-15 Marvin E. Rue Apparatus for laying conduit, cable and the like in or beneath fill material
US4332511A (en) * 1980-04-09 1982-06-01 Bradley Dennis K Cable burying apparatus
US4430022A (en) * 1981-06-03 1984-02-07 Electric Power Research Institute, Inc. Underground cable installing apparatus and method utilizing a multi-positionable plow blade
US5082397A (en) * 1982-04-13 1992-01-21 Solmat Systems, Ltd. Method of and apparatus for controlling fluid leakage through soil
IL70170A (en) * 1983-11-08 1985-11-29 Shlomo Pinto Method and device for insulation of the ground
US4741646A (en) * 1985-05-02 1988-05-03 Hatch G Brent Machine for laying conduct and methods for use thereof
US4650370A (en) * 1986-01-14 1987-03-17 J. I. Case Company High-speed cable-laying apparatus
FR2600689B1 (fr) * 1986-06-26 1992-03-13 Rivard Ets Ensemble mecanise pour le creusage d'une tranchee et la pose d'objets allonges
DE3631543C2 (de) * 1986-09-17 1995-07-06 Draka Spezialbaggerbetrieb Gmb Gerät zum Füllen von Erdgräben
US4912862A (en) * 1989-01-09 1990-04-03 Bishop William B Backfill machine
US4981396A (en) * 1989-02-28 1991-01-01 The Charles Machine Works, Inc. Multiple pipe installation backfilling, and compaction attachment
US5261171A (en) * 1990-03-26 1993-11-16 Bishop William B Pipeline padding machine attachment for a vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955756A (en) 1988-05-31 1990-09-11 Ed Klamar Pipeline padding system

Also Published As

Publication number Publication date
FR2726304B1 (fr) 1997-01-17
US5632574A (en) 1997-05-27
MA23702A1 (fr) 1996-07-01
EP0709526A3 (de) 1996-07-24
FR2726304A1 (fr) 1996-05-03

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