EP0361115B1 - Schildvortriebseinrichtung mit einer als Backenbrecher ausgebildeten Brecheinrichtung - Google Patents

Schildvortriebseinrichtung mit einer als Backenbrecher ausgebildeten Brecheinrichtung Download PDF

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Publication number
EP0361115B1
EP0361115B1 EP89115948A EP89115948A EP0361115B1 EP 0361115 B1 EP0361115 B1 EP 0361115B1 EP 89115948 A EP89115948 A EP 89115948A EP 89115948 A EP89115948 A EP 89115948A EP 0361115 B1 EP0361115 B1 EP 0361115B1
Authority
EP
European Patent Office
Prior art keywords
crusher
shield
crushing jaws
jaw crusher
crushing
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.)
Revoked
Application number
EP89115948A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0361115A1 (de
Inventor
Dr.-Ing. Anheuser Lothar
Claus Dipl.-Ing. Becker
Wolfgang Ing.-(Grad.) 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6362049&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0361115(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wayss and Freytag AG filed Critical Wayss and Freytag AG
Priority to AT89115948T priority Critical patent/ATE90771T1/de
Publication of EP0361115A1 publication Critical patent/EP0361115A1/de
Application granted granted Critical
Publication of EP0361115B1 publication Critical patent/EP0361115B1/de
Anticipated expiration legal-status Critical
Revoked 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
    • E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
    • 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
    • E21D9/0657—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 structurally associated with rock crushers

Definitions

  • the invention relates to a shield driving device, as described in the preamble of claim 1.
  • Shield boring machines with hydraulic removal of the loosened pile are generally used in loose soils.
  • the transport liquid then also serves to support the working face.
  • the mining chamber is designed as a closed pressure chamber in which the mining device - for. B. a cutting wheel - removes the ground from the working face, which then falls on the bottom of the excavation chamber and is removed from there through a suction nozzle. Larger soil components that could not be removed through the suction line were intercepted by an upstream rake and had to be removed by hand by walking into the extraction chamber after the liquid had previously been displaced from the chamber by compressed air.
  • a crusher arranged in the mining chamber has already been used - for example according to DE 32 38 953 - to which a rotating ring conveyor feeds the coarse components which it picks up from the chamber sole via a feed hopper for comminution.
  • the shredded crushed material falls down in front of a rake in the chamber and can be removed through the suction nozzle. If the crushed material has remained too large, it is fed into the crushing circuit again by the ring conveyor.
  • the object of the invention was to develop a crusher arrangement which does not require any special transport device for feeding the material to be crushed and is therefore much more economical.
  • the arrangement of the crusher according to the invention in the lower shield area directly above the shield sole and in the suction area makes transport of the material to be crushed unnecessary.
  • the crushing arms directly grasp the material that has not been removed from the suction opening and shred it until it passes through the rake upstream of the suction nozzle or through the opening of the suction nozzle.
  • the suction nozzle is therefore guided into the device area of the crusher.
  • the crusher In order for the crusher to be able to take action, it must be designed so that it can be moved out of the working area of the crusher.
  • a shield 1 with a mining chamber 2 closed at the rear by a pressure wall 3 the floor on the working face 4 is released by a mining device 5.
  • the mining chamber is filled at least to a part of its height with liquid 6 under pressure.
  • the dissolved heap 7 falls down in the liquid and collects in the area of the bottom 8 of the mining chamber 2 and is continuously conveyed from there with the pumped-in liquid 6 with the aid of the suction nozzle 9.
  • Soil components 10, which have larger dimensions than can be accommodated with the suction nozzle 9, are grasped by the crusher jaws 12, which sweep over the sole 8 of the mining chamber 2, of a crusher 11 arranged in the lower region of the mining chamber below the drive shaft 16 of the mining device 5 and crushed until they are extractable.
  • a rake upstream of the nozzle was dispensed with.
  • the loosened aggregate is classified by a lattice bar 14 arranged centrally in the suction opening 13, which is sufficient to keep soil components 10 which are too large and cannot be conveyed away from the delivery line 15.
  • a baffle plate 17 which encloses the pivoting movement of the crushing jaws at a short distance is arranged under the jaw crusher on the shield sole.
  • a jaw crusher 18 according to claim 3 with the pivot axis 20 of the crushing jaws 19 tilted forward is shown in FIG Distance to the sole moves.
  • the cylindrical surface 24 enveloping the pivoting movement of the crushing jaws 19, the jacket of the shield 1 and the pressure wall 3 enclose a spherical space 23 which is triangular in radial sections and which is not hit by the pivoting movement of the crushing jaws 19.
  • a classifying rake 25 can be arranged in this space 23 in front of the confluence of the conveying line 15 for conveying away the accumulated material.
  • the bars of the classifying rake 25 can have a course approximately parallel to the pivoting movement of the crushing jaws 19, so that teeth arranged on the crushing jaws can sweep in front of and / or in the spaces between the bars.
  • an optionally telescopic suction nozzle 19 of the delivery line 15 can be advanced into the extraction chamber 2 outside the swiveling range of the crushing jaws 19.
  • FIG. 5 shows a jaw crusher 27 according to claim 4 with the pivot axis 29 of the crushing jaws tilted backwards.
  • the plane 33 which limits the pivoting movement of the crushing jaws 28 to the rear, the pressure wall 3 and the jacket of the shield 1 enclose a space 32 which is triangular in radial sections and which is not hit by the pivoting movement of the crushing jaws 28.
  • a classifying rake 34 can be arranged in this space 32 in front of the confluence of the conveying line 15 for conveying away the soil obtained.
  • an optionally telescopic suction nozzle 19 of the delivery line 15 can be advanced into the removal chamber 2 outside the swiveling range of the crushing jaws 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Crushing And Pulverization Processes (AREA)
EP89115948A 1988-09-01 1989-08-29 Schildvortriebseinrichtung mit einer als Backenbrecher ausgebildeten Brecheinrichtung Revoked EP0361115B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115948T ATE90771T1 (de) 1988-09-01 1989-08-29 Schildvortriebseinrichtung mit einer als backenbrecher ausgebildeten brecheinrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3829658 1988-09-01
DE3829658A DE3829658C1 (OSRAM) 1988-09-01 1988-09-01

Publications (2)

Publication Number Publication Date
EP0361115A1 EP0361115A1 (de) 1990-04-04
EP0361115B1 true EP0361115B1 (de) 1993-06-16

Family

ID=6362049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115948A Revoked EP0361115B1 (de) 1988-09-01 1989-08-29 Schildvortriebseinrichtung mit einer als Backenbrecher ausgebildeten Brecheinrichtung

Country Status (5)

Country Link
EP (1) EP0361115B1 (OSRAM)
AT (1) ATE90771T1 (OSRAM)
DE (2) DE3829658C1 (OSRAM)
ES (1) ES2013981T3 (OSRAM)
GR (1) GR900300070T1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004739A3 (nl) * 1991-04-04 1993-01-19 Denys Nv Tunnelboormachine.
DE4221252C1 (de) * 1992-05-06 1993-11-04 Howaldtswerke Deutsche Werft Steinbrecher mit gitterrost und damit ausgeruestete schildvortriebseinrichtung
EP0575708B1 (de) * 1992-06-26 1996-02-28 NOELL Service und Maschinentechnik GmbH Steinbrecher mit Gitterrost und damit ausgerüstete Schildvortriebseinrichtung
CN109339861B (zh) * 2018-09-27 2020-05-22 中建八局轨道交通建设有限公司 隧道内盾构机主驱动拆解运输方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125644A1 (de) * 1981-06-30 1983-01-13 Wayss & Freytag Ag, 6000 Frankfurt Verfahren zum vortreiben eines tunnels unter verwendung eines schildes mit fluessigkeitsgefuellter arbeitskammer
DE3238953C2 (de) * 1982-10-21 1984-10-25 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Hydro- oder Druckluftschild für Lockerboden

Also Published As

Publication number Publication date
ES2013981A4 (es) 1990-06-16
DE58904711D1 (de) 1993-07-22
ATE90771T1 (de) 1993-07-15
EP0361115A1 (de) 1990-04-04
GR900300070T1 (en) 1991-07-31
ES2013981T3 (es) 1993-11-16
DE3829658C1 (OSRAM) 1990-01-04

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