EP0542942B1 - Vortriebsschild mit stützung der ortsbrust durch flüssigkeit und vorrichtung zur temporären mechanischen stützung - Google Patents

Vortriebsschild mit stützung der ortsbrust durch flüssigkeit und vorrichtung zur temporären mechanischen stützung Download PDF

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Publication number
EP0542942B1
EP0542942B1 EP92908761A EP92908761A EP0542942B1 EP 0542942 B1 EP0542942 B1 EP 0542942B1 EP 92908761 A EP92908761 A EP 92908761A EP 92908761 A EP92908761 A EP 92908761A EP 0542942 B1 EP0542942 B1 EP 0542942B1
Authority
EP
European Patent Office
Prior art keywords
mechanical support
support
facing
chamber
spokes
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.)
Expired - Lifetime
Application number
EP92908761A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0542942A1 (de
Inventor
Wolfgang Frietzsche
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.)
Wayss and Freytag AG
Original Assignee
Wayss and Freytag AG
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 Wayss and Freytag AG filed Critical Wayss and Freytag AG
Publication of EP0542942A1 publication Critical patent/EP0542942A1/de
Application granted granted Critical
Publication of EP0542942B1 publication Critical patent/EP0542942B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
    • E21D9/065—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with devices for provisionally supporting the front face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
    • E21D9/0879—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering

Definitions

  • the invention relates to a support device for temporary, mechanical support of the working face by means of support plates, as described in the preamble of claim 1.
  • Such support devices are used, for example, in non-stable floors.
  • the jacking is temporarily interrupted, the supporting fluid in the excavation chamber is temporarily replaced by compressed air and the excavation chamber has to be walked on by the operating personnel.
  • Another shield tunneling machine of the type according to the invention is known from DE OS 19073308.
  • the sector-shaped elements that can be inserted between the spokes of the mining wheel in this machine form a rigid breast-mounting plate that can only be moved as a whole and can be extended up to the front edge of the spokes of the mining wheel against the working face.
  • the disadvantage of this breast sheeting panel is that it cannot be pressed directly against the ground.
  • the lack of subdivision of the pane also does not allow the Support requirements of the working face in a differentiated manner or to partially keep the access to the working face open - for example to remove obstacles in the working face - with simultaneous support.
  • This known support device therefore does not meet the possible requirements of shield driving in non-stable soils.
  • the invention has set itself the task of further developing the known support devices of the generic type in such a way that a resealing of the face in the pressed state of the support plates is possible, their function is not impaired by the rough operation in the extraction chamber, and parts of the loosened soil reduce the mobility of the Plates can not affect.
  • the object is achieved by a support device as described in the characterizing part of claim 1.
  • the arrangement according to the invention of the drives of the support device in quivers behind the rear chamber wall allows the use of a drive for the support plates with a length that corresponds to any desired feed length.
  • Such drives are the prerequisite for the fact that the support plates can be pressed against the face regardless of the cutting wheel.
  • the hydroshield equipped with a compressed air chamber and a baffle, gives the quiver and thus the guidance of the composite panels high stability with two chamber walls.
  • the installation of the drive in a quiver enables the drive to be replaced at any time without affecting the shield drive - for example for repair purposes.
  • the support plate may be expedient to connect the support plate to the push rods in an articulated or articulated and displaceable manner, at least when it is supported on more than one point, so that the plates can adapt to bumps on the push rod without being forced.
  • the cutting wheel 5 moves in the excavation chamber 2, with which the soil on the face 7 can be degraded.
  • the mining chamber 2 is delimited at the rear by a wall 3.
  • the shield 1 is a hydroshield.
  • the wall 3 is a baffle, behind which a second wall 4 is arranged, which forms an air chamber with the baffle in the upper region.
  • the device 8 for mechanical support of the working face is arranged.
  • the device 8 consists of drives 9, push rods 10 and the support plate 11.
  • a hydraulic drive 9 is shown in the example.
  • the drive 9 is arranged in a quiver 13 which allows the drive 9 to be installed and removed independently of the operating states in the extraction chamber 2.
  • the support plates 11 have openings 12 through which support liquid or compressed air can pass to the face.
  • the support plates 11 are pressed by means of the drives 9 through the spaces 14 formed by the spokes 6 of the cutting wheel 5 against the face 7 in a fixed rest position of the cutting wheel 5.
  • the working face 7 is not supported in the area of the lowest intermediate space 15, since there is no need for support to accumulate there before the material removal rakes up.
  • the support plate 11 is connected to the push rod 10 by a joint 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Soil Working Implements (AREA)
EP92908761A 1991-06-08 1992-05-15 Vortriebsschild mit stützung der ortsbrust durch flüssigkeit und vorrichtung zur temporären mechanischen stützung Expired - Lifetime EP0542942B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4118907A DE4118907C1 (enrdf_load_stackoverflow) 1991-06-08 1991-06-08
DE4118907 1991-06-08
PCT/DE1992/000404 WO1992022731A1 (de) 1991-06-08 1992-05-15 Vortriebsschild mit stützung der ortsbrust durch flüssigkeit und vorrichtung zur temporären mechanischen stützung

Publications (2)

Publication Number Publication Date
EP0542942A1 EP0542942A1 (de) 1993-05-26
EP0542942B1 true EP0542942B1 (de) 1996-03-13

Family

ID=6433508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92908761A Expired - Lifetime EP0542942B1 (de) 1991-06-08 1992-05-15 Vortriebsschild mit stützung der ortsbrust durch flüssigkeit und vorrichtung zur temporären mechanischen stützung

Country Status (3)

Country Link
EP (1) EP0542942B1 (enrdf_load_stackoverflow)
DE (1) DE4118907C1 (enrdf_load_stackoverflow)
WO (1) WO1992022731A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT400878B (de) * 1990-12-18 1996-04-25 Voest Alpine Bergtechnik Tunnelvortriebsverfahren sowie schildvortriebsmaschine zur durchführung dieses verfahrens
DE4409049C1 (de) * 1994-03-17 1995-03-30 Hochtief Ag Hoch Tiefbauten Verfahren zum Ersetzen von Stützflüssigkeit durch Druckluft und Verwendung eines Hydroschildes zur Durchführung des Verfahrens
DE19642093C1 (de) * 1996-10-12 1997-10-02 Hochtief Ag Hoch Tiefbauten Verfahren zum Ersetzen von Stützflüssigkeit durch Druckluft in einem Hydroschild
CN111255467A (zh) * 2020-03-31 2020-06-09 中铁工程装备集团有限公司 一种洞内支护掌子面的盾构机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1907308A1 (de) * 1969-02-13 1970-09-03 Zueblin Ag Tunnelbohrmaschine und Verfahren zu ihrer Anwendung
DE2048514A1 (de) * 1970-10-02 1972-04-06 Wayss & Freytag Kg, 6000 Frankfurt Vortriebsschild
BE905437A (nl) * 1986-09-16 1987-03-16 Denys Nv Tunnelboormachine.

Also Published As

Publication number Publication date
EP0542942A1 (de) 1993-05-26
DE4118907C1 (enrdf_load_stackoverflow) 1992-06-11
WO1992022731A1 (de) 1992-12-23

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