EP2324200A2 - Method and apparatus for lining tunnel walls or ceilings with protective nets - Google Patents

Method and apparatus for lining tunnel walls or ceilings with protective nets

Info

Publication number
EP2324200A2
EP2324200A2 EP09777429A EP09777429A EP2324200A2 EP 2324200 A2 EP2324200 A2 EP 2324200A2 EP 09777429 A EP09777429 A EP 09777429A EP 09777429 A EP09777429 A EP 09777429A EP 2324200 A2 EP2324200 A2 EP 2324200A2
Authority
EP
European Patent Office
Prior art keywords
roller
tunnel
axis
mesh material
tunnel walls
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
EP09777429A
Other languages
German (de)
French (fr)
Other versions
EP2324200B1 (en
Inventor
Shane Brown
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.)
Rock Engineering Aust Pty Ltd
Geobrugg AG
Original Assignee
Rock Engineering Aust Pty Ltd
Geobrugg 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
Priority claimed from AU2008904072A external-priority patent/AU2008904072A0/en
Application filed by Rock Engineering Aust Pty Ltd, Geobrugg AG filed Critical Rock Engineering Aust Pty Ltd
Priority to PL09777429T priority Critical patent/PL2324200T3/en
Publication of EP2324200A2 publication Critical patent/EP2324200A2/en
Application granted granted Critical
Publication of EP2324200B1 publication Critical patent/EP2324200B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/04—Provisional protective covers for working space for use in drifting galleries
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/152—Laggings made of grids or nettings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/381—Setting apparatus or devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
    • E21D11/406—Placing endless lining elements, e.g. from reels

Definitions

  • the invention relates to a method for lining tunnel walls or tunnel ceilings with protective nets according to the preamble of claim 1 and to an apparatus for carrying out the method.
  • the present invention has for its object to provide a method of the type mentioned above and to provide an apparatus for performing the method with which the operation significantly simplifies and speeds up and the safety of the person performing the work is increased.
  • the method according to the invention for lining tunnel walls or tunnel ceilings with protective nets and the device according to the invention for carrying out the method allow a simple yet precise handling of the heavy protective netting rolls and a mechanical implementation of the unwinding and fastening process, for example by a base unit, for example a conventional Bohrjumbo, can be controlled so that the persons performing these processes are not exposed to immediate danger and safety is significantly improved.
  • a base unit for example a conventional Bohrjumbo
  • Figure 1 is a perspective view of a base unit for lining tunnel walls or tunnel ceilings with protective nets, equipped with a device for unwinding the protective net material from a roll and with an anchoring device.
  • Fig. 2 shows the device for unwinding the protective net material in front view
  • Fig. 3 shows the device of Figure 2 in side view.
  • FIG. 4 shows a clamping device as part of the device according to FIG. 2 in a closed position
  • Fig. 5 shows a part of the clamping device according to Fig. 4 in an open position.
  • Fig.l shows an inventive base unit 1 for lining tunnel walls or tunnel ceilings with protective nets.
  • a movable, telescopic arm 2 is attached with one end, which carries at the other end a device 10 for unwinding the web-like protective mesh material 8 from a roller 7.
  • the device 10 which is described in more detail below with reference to FIGS. 2 to 5, can be moved by means of the arm 2 in steps along the tunnel walls or tunnel ceiling, wherein the roller 7 substantially parallel to the tunnel walls or tunnel ceiling and across Movement direction of the arm 2 is held.
  • the protective net material 8 developed in the respective step is fastened by means of an anchoring device 4 to the tunnel wall or to the tunnel ceiling, which is supported by a further, movable, telescopic arm 3 of the base unit 1.
  • first a first side wall of the tunnel covered to half its height with the web-shaped protective mesh 8 and corresponding anchor bolts are hammered by the anchoring device 4, after which the device 10 is lifted from the arm 2 up and stretched another portion of the unwound protective mesh material 8 and then attached. The process continues until the tunnel ceiling and the other side wall are covered with the protective mesh material 8.
  • the base unit 1 is then adjusted in the tunnel according to the web width of the protective mesh material 8 in the longitudinal direction of the tunnel to cover a further tunnel section.
  • the base unit 1 is equipped with appropriate chassis.
  • the device 10 for unwinding the web-like protective net material 8 from the roll 7 will now be described.
  • the web-shaped protective mesh material 8 is wound on a tube 6 to the roller 7.
  • the tube 6 with the roller 7 is rotatably held in a holder 1 1 about an axis of rotation A.
  • the mount 11 comprises a base 14 (with an upper side 12 and a lower side 13 and possibly with lateral, obliquely upwardly directed side regions 15) and two support arms 20 protruding therefrom, whose free ends are provided with means for holding them of end portions 31 of the axis of rotation A forming and the tube 6 projecting axis 30 are provided.
  • these means are each formed by a pair of adjustable from an open position to a closed position jaws 22.
  • the axis 30 are associated with lateral guide plates 33 which cooperate with the clamping devices and help to hold the axis 30 in the jaws 22.
  • the jaws 22 are each pivotally connected to a first end 52 on a hollow body 21 of the respective support arm 20 (pivot axis 51) and rotatably adjustable by a common, arranged in the hollow body 21 linear drive.
  • a housing 64 is provided with a hydraulic piston / cylinder unit 63, via which a toothed rack 61 is actuated via each gear 60 causes the pivoting of the jaws 22 from the open position to the closed position and vice versa.
  • each recess 53 is provided, between which recesses 53, the end portions 31 of the axis 30 are clamped in the closed position of the jaws 22.
  • the recesses 53 together form a cross-sectionally diamond-shaped or rectangular space 56 (FIG. 4).
  • Each jaw 22 also has an extension or projection 57 between the first end 52 and the recess 53.
  • the projections 57 extend mutually such that in the open position of the jaws 22 of FIG. 5 support surfaces 58 are formed for the clamped end portions 31 of the shaft 30.
  • the projections 57 are arranged laterally such that their distal ends 59 overlap in the open position of the clamping jaws 22 (FIG. 5).
  • the spaces 56 of the two pairs of jaws agree in such a way that the axis 30 is held parallel to the base 14 of the holder 11.
  • a self-centering or self-positioning of the axis 30 instead.
  • the inventive apparatus 10 for unwinding the web-like protective mesh material 8 is further provided with means 40 for controlling the rotational movement of the roller 7 about the axis of rotation A and about the axis 30 held stationary.
  • these means 40 comprise an engaging on the roller surface 79 pressure roller 41, which is operatively connected to a drive motor 42 (preferably hydraulically).
  • the axis of rotation of the pressure roller 41 which may also be e.g. could be a Tneusammlung or a gear, is arranged parallel to the axis 30.
  • the drive motor 42 with the pressure roller 41 is placed on a platform 43, which is arranged on the base 14 of the holder 1 1 for holding the axis 30 adjustable.
  • a platform 43 For adjusting the platform 43 and thus for adjusting the pressure roller 41 radially to the roller 7, at least one preferably hydraulic piston / cylinder unit is provided, which is accommodated in a housing 44.
  • Another housing 46 includes various work and safety components for these piston / cylinder units and the hydraulic drive motor 42.
  • the pressure roller 41 can be brought by the adjustment of the platform 43 with its outer peripheral surface 45 in contact with the roller surface 79, with advantage in the central region of the roller 7.
  • the pressure roller 41 is rotatably driven to effect controlled unwinding of the protective mesh material 8 or the rotation of the pressure roller 41 is stopped to prevent unwinding.
  • unwinding reduces the roll diameter and the pressure roller is automatically adjusted over the piston / cylinder units to always stay in contact with the roller surface 79.
  • the pressure roller 41 or the entire means 40 for controlling the rotational movement of the roller 7 can thus - depending on requirements - both for controlled unwinding of the protective mesh material 8 and acting as a brake on the roller 7 are used.
  • piston / cylinder units instead of the piston / cylinder units, other means, such as spring elements could be used for the automatic Anpressrolle- adjustment.
  • roller instead of jaws 22 and other means for holding the axis 30 could be used. Instead of an axis 30, the roller itself could preferably be formed on both sides with coaxial lateral axes.
  • the method according to the invention for lining tunnel walls or tunnel ceilings with protective nets and the device according to the invention for carrying out the method allow a simple yet precise handling of the heavy protective netting rolls and a mechanical implementation of the unwinding and fastening process which can be controlled, for example, by a base unit so that the persons carrying out these processes are not exposed to any immediate danger and the security is significantly improved.

Abstract

In a method for lining tunnel walls or ceilings with protective nets or the like, web-shaped protective net material (8) is unwound from a reel (7) and is fastened to the tunnel walls or ceiling by means of tie bolts. The reel (7) is rotatably arranged. The rotation of the reel (7) about a shaft (30) is controlled in order to unwind the protective net material (8), the shaft (30) being mechanically moved in steps along the tunnel walls or ceiling together with the reel (7). The protective net material (8) unwound in each step is preferably stretched and mechanically fastened. The individuals carrying out said processes are thus not exposed to any direct risk, while the lining process can be accelerated.

Description

Verfahren und Vorrichtung zum Auskleiden von Tunnelwänden bzw. Method and device for lining tunnel walls or
Tunneldecken mit SchutznetzenTunnel ceilings with protective nets
Die Erfindung betrifft ein Verfahren zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen gemäss dem Oberbegriff des Anspruches 1 sowie eine Vorrichtung zum Durchführen des Verfahrens.The invention relates to a method for lining tunnel walls or tunnel ceilings with protective nets according to the preamble of claim 1 and to an apparatus for carrying out the method.
Es ist bekannt, Tunnels, beispielsweise Bergbau-Tunnels, mit Schutznetzen, die vorzugsweise aus Stahldrähten bestehen, auszukleiden. Das bahn- förmige Schutznetzmaterial wird von einer Rolle abgewickelt und mittels Ankerbolzen an den Tunnelwänden bzw. Tunneldecke befestigt. In der Regel werden Hebebühnen oder ähnliches verwendet, um das Schutznetzmaterial auszulegen. Die Handhabung der schweren Rolle ist schwierig und die Arbeiter sind etlichen Gefahren ausgesetzt.It is known to line tunnels, such as mining tunnels, with protective nets, preferably made of steel wires. The web-shaped protective net material is unwound from a roll and fastened to the tunnel walls or tunnel ceiling by means of anchor bolts. In the As a rule, lifting platforms or the like are used to design the protective net material. The handling of the heavy roll is difficult and the workers are exposed to a number of dangers.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art vorzuschlagen und eine Vorrichtung zum Durchführen des Verfahrens zu schaffen, mit welchen der Arbeitsvorgang wesentlich vereinfacht und beschleunigt und die Sicherheit der die Arbeit ausführenden Personen erhöht wird.The present invention has for its object to provide a method of the type mentioned above and to provide an apparatus for performing the method with which the operation significantly simplifies and speeds up and the safety of the person performing the work is increased.
Diese Aufgabe wird erfindungsgemäss durch ein Verfahren nach Anspruch 1 sowie durch eine Vorrichtung mit den Merkmalen des Anspruches 7 gelöst.This object is achieved according to the invention by a method according to claim 1 and by a device having the features of claim 7.
Bevorzugte Weitergestaltungen des erfindungsgemässen Verfahrens sowie der erfindungsgemässen Vorrichtung bilden den Gegenstand der abhängigen Ansprüche.Preferred developments of the inventive method and the inventive device form the subject of the dependent claims.
Das erfindungsgemässe Verfahren zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen und die erfindungsgemässe Vorrichtung zum Durchführen des Verfahrens erlauben eine einfache und dennoch präzise Handhabung der schweren Schutznetzmaterial-Rollen sowie eine maschinelle Durchführung des Abwickeln- und Befestigungsprozesses, die beispielsweise von einem Basisgerät, zum Beispiel ein herkömmlicher Bohrjumbo, gesteuert werden kann, so dass die diese Prozesse durchführenden Personen keiner unmittelbaren Gefahr ausgesetzt werden und die Sicherheit wesentlich verbessert wird. Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:The method according to the invention for lining tunnel walls or tunnel ceilings with protective nets and the device according to the invention for carrying out the method allow a simple yet precise handling of the heavy protective netting rolls and a mechanical implementation of the unwinding and fastening process, for example by a base unit, for example a conventional Bohrjumbo, can be controlled so that the persons performing these processes are not exposed to immediate danger and safety is significantly improved. The invention will be explained in more detail with reference to the drawing. Show it:
Fig. 1 in perspektivischer Darstellung ein Basisgerät zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen, ausgerüstet mit einer Vorrichtung zum Abwickeln des Schutznetzmaterials von einer Rolle sowie mit einer Verankerungsvorrichtung;Figure 1 is a perspective view of a base unit for lining tunnel walls or tunnel ceilings with protective nets, equipped with a device for unwinding the protective net material from a roll and with an anchoring device.
Fig. 2 die Vorrichtung zum Abwickeln des Schutznetzmaterials in Frontansicht;Fig. 2 shows the device for unwinding the protective net material in front view;
Fig. 3 die Vorrichtung nach Fig. 2 in Seitenansicht;Fig. 3 shows the device of Figure 2 in side view.
Fig. 4 eine Klemmvorrichtung als Teil der Vorrichtung nach Fig. 2 in einer Schliessstellung; undFIG. 4 shows a clamping device as part of the device according to FIG. 2 in a closed position; FIG. and
Fig. 5 einen Teil der Klemmvorrichtung nach Fig. 4 in einer Öffnungsstellung.Fig. 5 shows a part of the clamping device according to Fig. 4 in an open position.
Fig.l zeigt ein erfindungsgemässes Basisgerät 1 zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen. Am Basisgerät 1 ist ein beweglicher, teleskopischen Arm 2 mit einem Ende angebracht, der am anderen Ende eine Vorrichtung 10 zum Abwickeln des bahnförmigen Schutznetzmaterials 8 von einer Rolle 7 trägt. Die Vorrichtung 10, die weiter unten anhand von Fig. 2 bis 5 näher beschrieben wird, kann mittels des Armes 2 in Schritten entlang der Tunnelwände bzw. Tunneldecke bewegt werden, wobei die Rolle 7 im wesentlichen parallel zu den Tunnelwänden bzw. Tunneldecke und quer zur Bewegungsrichtung des Armes 2 gehalten wird. Das im jeweiligen Schritt abgewickelte Schutznetzmaterial 8 wird mittels einer Verankerungsvorrichtung 4 an der Tunnelwand oder an der Tunneldecke befestigt, die von einem weiteren beweglichen, teleskopischen Arm 3 des Basisgerätes 1 getragen wird. So kann beispielsweise zuerst eine erste Seitenwand des Tunnels bis zur Hälfte ihrer Höhe mit dem bahnförmigen Schutznetzmaterial 8 abgedeckt und entsprechende Ankerbolzen mittels der Verankerungsvorrichtung 4 eingeschlagen werden, wonach die Vorrichtung 10 vom Arm 2 nach oben angehoben wird und ein weiterer Abschnitt des abgewickelten Schutznetzmaterials 8 gespannt und sodann befestigt wird. Der Vorgang wird fortgesetzt, bis auch die Tunneldecke und die andere Seitenwand mit dem Schutznetzmaterial 8 abgedeckt sind.Fig.l shows an inventive base unit 1 for lining tunnel walls or tunnel ceilings with protective nets. On the base unit 1, a movable, telescopic arm 2 is attached with one end, which carries at the other end a device 10 for unwinding the web-like protective mesh material 8 from a roller 7. The device 10, which is described in more detail below with reference to FIGS. 2 to 5, can be moved by means of the arm 2 in steps along the tunnel walls or tunnel ceiling, wherein the roller 7 substantially parallel to the tunnel walls or tunnel ceiling and across Movement direction of the arm 2 is held. The protective net material 8 developed in the respective step is fastened by means of an anchoring device 4 to the tunnel wall or to the tunnel ceiling, which is supported by a further, movable, telescopic arm 3 of the base unit 1. Thus, for example, first a first side wall of the tunnel covered to half its height with the web-shaped protective mesh 8 and corresponding anchor bolts are hammered by the anchoring device 4, after which the device 10 is lifted from the arm 2 up and stretched another portion of the unwound protective mesh material 8 and then attached. The process continues until the tunnel ceiling and the other side wall are covered with the protective mesh material 8.
Das Basisgerät 1 wird dann im Tunnel entsprechend der Bahnbreite des Schutznetzmaterials 8 in Längsrichtung des Tunnels verstellt, um einen weiteren Tunnelabschnitt abzudecken. Mit Vorteil ist das Basisgerät 1 mit entsprechenden Fahrgestell ausgestattet.The base unit 1 is then adjusted in the tunnel according to the web width of the protective mesh material 8 in the longitudinal direction of the tunnel to cover a further tunnel section. Advantageously, the base unit 1 is equipped with appropriate chassis.
Im folgenden wird nun die Vorrichtung 10 zum Abwickeln des bahnförmigen Schutznetzmaterials 8 von der Rolle 7 beschrieben. Das bahnförmige Schutznetzmaterial 8 ist auf einem Rohr 6 zur Rolle 7 aufgewickelt. Das Rohr 6 mit der Rolle 7 wird in einer Halterung 1 1 drehbar um eine Drehachse A gehalten. Die Halterung 1 1 umfasst gemäss Fig. 2 eine Basis 14 (mit einer oberen Seite 12 und einer unteren Seite 13 sowie allenfalls mit seitlichen, schräg nach oben gerichteten Seitenbereichen 15) und zwei von dieser abstehende Tragarme 20, deren freie Enden mit Mitteln zum Festhalten von Endteilen 31 einer die Drehachse A bildenden und das Rohr 6 hindurchragenden Achse 30 versehen sind. Beim in Fig. 3 bis 5 dargestellten Ausführungsbeispiel sind diese Mittel durch je ein Paar von aus einer Öffnungsstellung in eine Schliessstellung verstellbaren Klemmbacken 22 gebildet. Der Achse 30 sind seitliche Führungsplatten 33 zugeordnet, die mit den Klemmvorrichtungen zusammenwirken und behilflich sind, die Achse 30 in den Klemmbacken 22 festzuhalten. Die Klemmbacken 22 sind jeweils mit einem ersten Ende 52 an einem Hohlkörper 21 des jeweiligen Tragarmes 20 schwenkbar angelenkt (Schwenkachse 51) und von einem gemeinsamen, im Hohlkörper 21 angeordneten Linearantrieb drehbeweglich verstellbar. Vorzugsweise ist im Hohlkörper 21 ein Gehäuse 64 mit einer hydraulischen Kolben/Zylindereinheit 63 vorgesehen, über die eine Zahnstange 61 betätigt wird, die über je ein Zahnrad 60 die Verschwenkung der Klemmbacken 22 aus der Öffnungsstellung in die Schliessstellung und umgekehrt bewirkt.The device 10 for unwinding the web-like protective net material 8 from the roll 7 will now be described. The web-shaped protective mesh material 8 is wound on a tube 6 to the roller 7. The tube 6 with the roller 7 is rotatably held in a holder 1 1 about an axis of rotation A. According to FIG. 2, the mount 11 comprises a base 14 (with an upper side 12 and a lower side 13 and possibly with lateral, obliquely upwardly directed side regions 15) and two support arms 20 protruding therefrom, whose free ends are provided with means for holding them of end portions 31 of the axis of rotation A forming and the tube 6 projecting axis 30 are provided. When in Fig. 3 to 5 illustrated embodiment, these means are each formed by a pair of adjustable from an open position to a closed position jaws 22. The axis 30 are associated with lateral guide plates 33 which cooperate with the clamping devices and help to hold the axis 30 in the jaws 22. The jaws 22 are each pivotally connected to a first end 52 on a hollow body 21 of the respective support arm 20 (pivot axis 51) and rotatably adjustable by a common, arranged in the hollow body 21 linear drive. Preferably, in the hollow body 21, a housing 64 is provided with a hydraulic piston / cylinder unit 63, via which a toothed rack 61 is actuated via each gear 60 causes the pivoting of the jaws 22 from the open position to the closed position and vice versa.
An zweiten Enden 54 der Klemmbacken 22 ist je eine Ausnehmung 53 vorgesehen, zwischen welchen Ausnehmungen 53 die Endteile 31 der Achse 30 in der Schliessstellung der Klemmbacken 22 eingeklemmt werden. Die Ausnehmungen 53 bilden zusammen einen im Querschnitt rautenförmigen oder rechteckigen Raum 56 (Fig. 4).At the second ends 54 of the jaws 22 each have a recess 53 is provided, between which recesses 53, the end portions 31 of the axis 30 are clamped in the closed position of the jaws 22. The recesses 53 together form a cross-sectionally diamond-shaped or rectangular space 56 (FIG. 4).
Jede Klemmbacke 22 weist ausserdem zwischen dem ersten Ende 52 und der Ausnehmung 53 eine Verlängerung bzw. einen Vorsprung 57 auf. Die Vorsprünge 57 erstrecken sich gegenseitig derart, dass in der Öffnungsstellung der Klemmbacken 22 nach Fig. 5 Auflageflächen 58 für die einzuklemmenden Endteile 31 der Achse 30 gebildet werden. Beim Schlies- sen der Klemmbacken 22 werden die Endteile 31 von den Vorsprüngen 57 in die Ausnehmungen 53 bzw. in den Raum 56 geführt. Die Vorsprünge 57 sind seitlich derart angeordnet, dass sich ihre Distalenden 59 in der Öffnungsstellung der Klemmbacken 22 überlappen (Fig. 5). In der Schliessstellung stimmen die Räume 56 der beiden Klemmbackenpaare derart überein, dass die Achse 30 parallel zur Basis 14 der Halterung 1 1 gehalten wird. Wie vorstehend erwähnt, findet bei der Verstellung der Klemmba- cken 22 aus der Öffnungsstellung in die Schliessstellung eine Selbstzentrierung bzw. Selbstpositionierung der Achse 30 statt.Each jaw 22 also has an extension or projection 57 between the first end 52 and the recess 53. The projections 57 extend mutually such that in the open position of the jaws 22 of FIG. 5 support surfaces 58 are formed for the clamped end portions 31 of the shaft 30. When closing the clamping jaws 22, the end parts 31 are guided by the projections 57 into the recesses 53 or into the space 56. The projections 57 are arranged laterally such that their distal ends 59 overlap in the open position of the clamping jaws 22 (FIG. 5). In the closed position, the spaces 56 of the two pairs of jaws agree in such a way that the axis 30 is held parallel to the base 14 of the holder 11. As mentioned above, during the adjustment of the clamping 22 from the open position into the closed position a self-centering or self-positioning of the axis 30 instead.
Die erfindungsgemässe Vorrichtung 10 zum Abwickeln des bahnförmigen Schutznetzmaterials 8 ist ferner mit Mitteln 40 zur Steuerung der Drehbewegung der Rolle 7 um die Drehachse A bzw. um die ortsfest gehaltene Achse 30 versehen.The inventive apparatus 10 for unwinding the web-like protective mesh material 8 is further provided with means 40 for controlling the rotational movement of the roller 7 about the axis of rotation A and about the axis 30 held stationary.
Beim in Fig. 2 dargestellten Ausführungsbeispiel umfassen diese Mittel 40 eine an der Rollenoberfläche 79 angreifende Anpressrolle 41 , welche mit einem Antriebsmotor 42 (vorzugsweise hydraulisch) wirkverbunden ist. Die Rotationsachse der Anpressrolle 41, bei der es sich auch z.B. um einen Pneureifen oder ein Zahnrad handeln könnte, ist parallel zur Achse 30 angeordnet. Der Antriebsmotor 42 mit der Anpressrolle 41 ist auf einer Plattform 43 platziert, die auf der Basis 14 der Halterung 1 1 zum Festhalten der Achse 30 verstellbar angeordnet ist. Zur Verstellung der Plattform 43 und somit zur Verstellung der Anpressrolle 41 radial zur Rolle 7 ist mindestens eine vorzugsweise hydraulische Kolben/Zylindereinheit vorgesehen, die in einem Gehäuse 44 untergebracht ist. Ein weiteres Gehäuse 46 beinhaltet verschiedene Arbeits- und Sicherheitskomponenten für diese Kolben/Zylindereinheiten und den hydraulischen Antriebsmotor 42.In the embodiment shown in Fig. 2, these means 40 comprise an engaging on the roller surface 79 pressure roller 41, which is operatively connected to a drive motor 42 (preferably hydraulically). The axis of rotation of the pressure roller 41, which may also be e.g. could be a Tneureifen or a gear, is arranged parallel to the axis 30. The drive motor 42 with the pressure roller 41 is placed on a platform 43, which is arranged on the base 14 of the holder 1 1 for holding the axis 30 adjustable. For adjusting the platform 43 and thus for adjusting the pressure roller 41 radially to the roller 7, at least one preferably hydraulic piston / cylinder unit is provided, which is accommodated in a housing 44. Another housing 46 includes various work and safety components for these piston / cylinder units and the hydraulic drive motor 42.
Die Anpressrolle 41 kann durch die Verstellung der Plattform 43 mit ihrer äusseren Umfangsfläche 45 in Kontakt mit der Rollenoberfläche 79 gebracht werden, und zwar mit Vorteil im mittleren Bereich der Rolle 7. Die Anpressrolle 41 wird drehbeweglich angetrieben, um gesteuertes Abwickeln des Schutznetzmaterials 8 zu bewirken, oder die Rotation der Anpressrolle 41 wird gestoppt, um ein Abwickeln zu verhindern. Beim Abwickeln vermindert sich der Rollendurchmesser und die Anpressrolle wird über die Kolben/Zylindereinheiten automatisch verstellt, um stets im Kontakt mit der Rollenoberfläche 79 zu bleiben. Die Anpressrolle 41 bzw. die gesamten Mittel 40 zur Steuerung der Drehbewegung der Rolle 7 können also - je nach Bedarf - sowohl zum gesteuerten Abwickeln des Schutznetzmaterials 8 als auch als auf die Rolle 7 einwirkende Bremse eingesetzt werden.The pressure roller 41 can be brought by the adjustment of the platform 43 with its outer peripheral surface 45 in contact with the roller surface 79, with advantage in the central region of the roller 7. The pressure roller 41 is rotatably driven to effect controlled unwinding of the protective mesh material 8 or the rotation of the pressure roller 41 is stopped to prevent unwinding. When unwinding reduces the roll diameter and the pressure roller is automatically adjusted over the piston / cylinder units to always stay in contact with the roller surface 79. The pressure roller 41 or the entire means 40 for controlling the rotational movement of the roller 7 can thus - depending on requirements - both for controlled unwinding of the protective mesh material 8 and acting as a brake on the roller 7 are used.
Statt der Kolben/Zylindereinheiten könnten auch andere Mittel, beispielsweise Federelemente, für die automatische Anpressrolle- Verstellung verwendet werden.Instead of the piston / cylinder units, other means, such as spring elements could be used for the automatic Anpressrolle- adjustment.
Anstelle von Klemmbacken 22 könnten auch andere Mittel zum Festhalten der Achse 30 eingesetzt werden. Anstelle einer Achse 30 könnte auch die Rolle selbst vorzugsweise beidseitig mit koaxialen seitlichen Achsen ausgebildet sein.Instead of jaws 22 and other means for holding the axis 30 could be used. Instead of an axis 30, the roller itself could preferably be formed on both sides with coaxial lateral axes.
Das erfindungsgemässe Verfahren zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen und die erfindungsgemässe Vorrichtung zum Durchführen des Verfahrens erlauben eine einfache und dennoch präzise Handhabung der schweren Schutznetzmaterial-Rollen sowie eine maschinelle Durchführung des Abwickeln- und Befestigungsprozesses, die beispielsweise von einem Basisgerät gesteuert werden kann, so dass die diese Prozesse durchführenden Personen keiner unmittelbaren Gefahr ausgesetzt werden und die Sicherheit wesentlich verbessert wird. The method according to the invention for lining tunnel walls or tunnel ceilings with protective nets and the device according to the invention for carrying out the method allow a simple yet precise handling of the heavy protective netting rolls and a mechanical implementation of the unwinding and fastening process which can be controlled, for example, by a base unit so that the persons carrying out these processes are not exposed to any immediate danger and the security is significantly improved.

Claims

PATENTANSPRÜCHE
1. Verfahren zum Auskleiden von Tunnelwänden bzw. Tunneldecken mit Schutznetzen oder ähnlichem, bei welchem bahnförmiges Schutznetzmaterial (8) von einer Rolle (7) abgewickelt wird, dadurch gekennzeichnet, dass die Rolle (7) drehbeweglich angeordnet und zum Abwickeln des Schutznetzmaterials (8) die Drehbewegung der Rolle (7) gesteuert wird, wobei die Rolle (7) maschinell entlang der Tunnelwände bzw. Tunneldecke bewegt wird.1. A method for lining tunnel walls or tunnel ceilings with protective nets or the like, in which web-shaped protective mesh material (8) from a roll (7) is unwound, characterized in that the roller (7) rotatably arranged and for unwinding the protective mesh material (8) the rotation of the roller (7) is controlled, wherein the roller (7) is moved by machine along the tunnel walls or tunnel ceiling.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass das in einem jeweiligen Schritt abgewickelte Schutznetzmaterial (8) vorzugsweise gespannt und an den Tunnelwänden bzw. Tunneldecke befestigt wird. 2. The method according to claim 1, characterized in that the unwound in a respective step protective mesh material (8) is preferably stretched and secured to the tunnel walls or tunnel ceiling.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Drehbewegung der Rolle (7) über eine an der Rollenoberfläche (79) angreifende Anpressrolle (41) gesteuert wird, wobei die Anpressrolle (41) gesteuert drehbeweglich angetrieben und radial zur Rolle (7) verstellt wird.3. The method according to claim 1, characterized in that the rotational movement of the roller (7) via a on the roller surface (79) acting pressure roller (41) is controlled, wherein the pressure roller (41) controlled rotatably driven and radially to the roller (7) is adjusted.
4. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die schrittweise Bewegung der Achse (30) mit der Rolle (7) entlang der Tunnelwände bzw. Tunneldecke über einen beweglichen, teleskopischen Arm (2) erfolgt, der mit einem Ende an einem Basisgerät (1 ) angebracht und am anderen Ende die Achse (30) mit der Rolle (7) trägt, wobei die Achse (30) im wesentlichen parallel zu den Tunnelwänden bzw. Tunneldecke und quer zur Bewegungsrichtung des beweglichen Armes (2) gehalten wird.4. The method according to claim 1 or 2, characterized in that the stepwise movement of the axis (30) with the roller (7) along the tunnel walls or tunnel ceiling via a movable, telescopic arm (2) takes place, with one end to a Base device (1) mounted and at the other end of the axis (30) with the roller (7), wherein the axis (30) is held substantially parallel to the tunnel walls or tunnel ceiling and transverse to the direction of movement of the movable arm (2).
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass das im jeweiligen Schritt abgewickelte Schutznetzmaterial (8) gesteuert mittels einer Verankerungsvorrichtung (4) befestigt wird, die von einem weiteren, dem Basisgerät (1) zugeordneten, beweglichen und teleskopisch ausgebildeten Arm (3) getragen wird.5. The method according to claim 4, characterized in that the unwound in the respective step protective mesh material (8) controlled by means of an anchoring device (4) is fixed by another, the base unit (1) associated, movable and telescopically formed arm (3) will be carried.
6. Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das Basisgerät (1) im Tunnel entsprechend der Bahnbreite des Schutznetzmaterials (8) schrittweise in Längsrichtung des Tunnels verstellt wird. 6. The method according to claim 4 or 5, characterized in that the base unit (1) in the tunnel according to the web width of the protective mesh material (8) is adjusted gradually in the longitudinal direction of the tunnel.
7. Vorrichtung zum Durchführen des Verfahrens nach Anspruch 1 , gekennzeichnet durch eine Halterung (1 1) zum Festhalten einer Achse (30), gegenüber der die Rolle (7) mit dem bahnförmigen Schutznetzmaterial (8) drehbar angeordnet ist, durch Mittel (40) zur Steuerung der Drehbewegung der Rolle (7) um die Achse (30) sowie durch Mittel zur schrittweisen Bewegung der die Achse (30) mit der Rolle (7) aufnehmenden Halterung ( 1 1) entlang der Tunnelwände bzw. Tunneldecke.7. A device for carrying out the method according to claim 1, characterized by a holder (1 1) for holding an axle (30) against which the roller (7) with the web-shaped protective mesh material (8) is rotatably arranged, by means (40). for controlling the rotational movement of the roller (7) about the axis (30) and by means for stepwise movement of the holder (1 1) receiving the axle (30) with the roller (7) along the tunnel walls or tunnel ceiling.
8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Halterung ( 1 1 ) eine Basis (14) und zwei von dieser abstehende Tragarme (20) aufweist, deren freien Enden mit Mitteln zum Aufnehmen und Festhalten von Endteilen (31) der Achse (30) ausgestattet sind.8. The device according to claim 7, characterized in that the holder (1 1) has a base (14) and two projecting from this support arms (20) whose free ends with means for receiving and retaining end portions (31) of the axis ( 30) are equipped.
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die an freien Enden der Tragarme (20) angeordneten Mittel zum Aufnehmen und Festhalten von Endteilen (31) der Achse (30) durch je ein Paar von aus einer Öffnungsstellung in eine Schliessstellung verstellbaren Klemmbacken (22) gebildet sind.9. Apparatus according to claim 8, characterized in that at free ends of the support arms (20) arranged means for receiving and retaining end portions (31) of the axis (30) by a respective pair of adjustable from an open position to a closed position jaws (30). 22) are formed.
10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die Klemmbacken (22) jeweils mit einem ersten Ende (52) an einem Hohlkörper (21) des jeweiligen Tragarmes (20) schwenkbar angelenkt und von einem gemeinsamen, im Hohlkörper (21) angeordneten Linearantrieb (63, 61) drehbeweglich verstellbar sind, wobei an zweiten Enden (54) der Klemmbacken (22) je eine Ausnehmung (53) vorgesehen ist, zwischen welchen Ausnehmungen (53) die Endteile (31) der Achse (30) in der Schliessstellung der Klemmbacken (22) einklemmbar sind. 10. The device according to claim 9, characterized in that the clamping jaws (22) in each case with a first end (52) on a hollow body (21) of the respective support arm (20) pivotally articulated and by a common, in the hollow body (21) arranged linear drive (63, 61) are rotatably adjustable, wherein at the second ends (54) of the clamping jaws (22) each have a recess (53) is provided, between which recesses (53) the end portions (31) of the axis (30) in the closed position of Clamping jaws (22) can be clamped.
1 1. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Klemmbacken (22) jeweils zwischen den beiden Enden (52, 54) mit je einem Vorsprung (57) versehen sind, wobei die sich seitlich überlappenden Vorsprünge (57) des jeweiligen Klemmbacken-Paares in der Öffnungsstellung der Klemmbacken (22) Auflageflächen (58) für die einzuklemmenden Endteile (31) der Achse (30) bilden.1 1. Apparatus according to claim 10, characterized in that the clamping jaws (22) are each provided between the two ends (52, 54) each having a projection (57), wherein the laterally overlapping projections (57) of the respective jaw Couple in the open position of the jaws (22) support surfaces (58) for the clamped end portions (31) of the axis (30) form.
12. Vorrichtung nach einem der Ansprüche 7 bis 1 1 , dadurch gekennzeichnet, dass die Mittel (40) zur Steuerung der Drehbewegung der Rolle (7) um die Achse (30) durch eine an der Rollenoberfläche (79) angreifende Anpressrolle (41) gebildet sind, welche Anpressrolle (41) mit einem Antriebsmotor (42) wirkverbunden und radial zur Rolle (7) verstellbar ist.12. Device according to one of claims 7 to 1 1, characterized in that the means (40) for controlling the rotational movement of the roller (7) about the axis (30) by a on the roller surface (79) acting pressure roller (41) are, which pressure roller (41) with a drive motor (42) operatively connected and radially to the roller (7) is adjustable.
13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Antriebsmotor (42) mit der Anpressrolle (41) auf einer Plattform (43) platziert ist, die auf der Basis (14) der Halterung (1 1) zum Festhalten der Achse (30) verstellbar angeordnet ist, wobei zur Verstellung der Plattform (43) und somit zur Verstellung der Anpressrolle (41) radial zur Rolle (7) mindestens eine Kolben/Zylindereinheit vorgesehen ist.13. The apparatus according to claim 12, characterized in that the drive motor (42) with the pressure roller (41) on a platform (43) is placed on the base (14) of the holder (1 1) for holding the axis (30 ) is arranged adjustable, wherein at least one piston / cylinder unit is provided for adjusting the platform (43) and thus for adjusting the pressure roller (41) radially to the roller (7).
14. Vorrichtung nach einem der Ansprüche 7 bis 13, dadurch gekennzeichnet, dass die Mittel zur schrittweisen Bewegung der die Achse (30) mit der Rolle (7) aufnehmenden Halterung (1 1) entlang der Tunnelwände bzw. Tunneldecke durch einen beweglichen, teleskopischen Arm (2) gebildet sind, der mit einem Ende an einem Basisgerät (1 ) angebracht und am anderen Ende die Achse (30) mit der Rolle (7) trägt, wobei die Achse (30) im wesentlichen parallel zu den Tunnelwänden bzw. Tunneldecke und quer zur Bewegungsrichtung des beweglichen Armes (2) verläuft. 14. Device according to one of claims 7 to 13, characterized in that the means for the stepwise movement of the axis (30) with the roller (7) receiving holder (1 1) along the tunnel walls or tunnel ceiling by a movable telescopic arm (2) which is attached at one end to a base unit (1) and at the other end carries the axis (30) with the roller (7), wherein the axis (30) substantially parallel to the tunnel walls or tunnel ceiling and transverse to the direction of movement of the movable arm (2).
15. Vorrichtung nach einem der Ansprüche 7 bis 14, dadurch gekennzeichnet, dass am Basisgerät (1) ein weiterer beweglicher, teleskopischer Arm (3) mit einem eine Verankerungsvorrichtung (4) zum Anbringen von Ankerbolzen oder dergleichen bzw. zur Befestigung des abgewickelten Schutznetzmaterials (8) trägt.15. Device according to one of claims 7 to 14, characterized in that the base unit (1) has a further movable, telescopic arm (3) with an anchoring device (4) for attaching anchor bolts or the like or for fastening the unwound protective mesh material ( 8) carries.
16. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, dass mit der Verankerungsvorrichtung (4) vor der Befestigung des abgewickelten Schutznetzmaterials (8) das letztere verspannbar ist. 16. The apparatus according to claim 15, characterized in that with the anchoring device (4) prior to attachment of the unwound protective mesh material (8), the latter can be braced.
EP09777429.3A 2008-08-08 2009-07-24 Method and apparatus for lining tunnel walls or ceilings with protective nets Active EP2324200B1 (en)

Priority Applications (1)

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PL09777429T PL2324200T3 (en) 2008-08-08 2009-07-24 Method and apparatus for lining tunnel walls or ceilings with protective nets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2008904072A AU2008904072A0 (en) 2008-08-08 Mesh Reel Handling Assembly
PCT/EP2009/005392 WO2010015339A2 (en) 2008-08-08 2009-07-24 Method and apparatus for lining tunnel walls or ceilings with protective nets

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EP2324200A2 true EP2324200A2 (en) 2011-05-25
EP2324200B1 EP2324200B1 (en) 2018-07-18

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EP (1) EP2324200B1 (en)
JP (1) JP5457453B2 (en)
CN (1) CN102171412B (en)
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BR (1) BRPI0917441B1 (en)
CA (1) CA2733473C (en)
CL (1) CL2009002083A1 (en)
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MX (1) MX2011001444A (en)
PE (1) PE20110655A1 (en)
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CL2009002083A1 (en) 2010-06-18
PT2324200T (en) 2018-10-18
AU2009208073A1 (en) 2010-02-25
PE20110655A1 (en) 2011-09-16
CN102171412B (en) 2014-04-30
CN102171412A (en) 2011-08-31
MX2011001444A (en) 2011-06-20
AU2009278321A1 (en) 2010-02-11
BRPI0917441A2 (en) 2015-12-01
JP2012504713A (en) 2012-02-23
RU2521007C2 (en) 2014-06-27
AU2009278321B2 (en) 2016-01-07
WO2010015339A3 (en) 2010-04-01
CA2733473A1 (en) 2010-02-11
EP2324200B1 (en) 2018-07-18
AU2009278321C1 (en) 2016-05-12
US8662796B2 (en) 2014-03-04
US20110150575A1 (en) 2011-06-23
CA2733473C (en) 2016-11-22
WO2010015339A2 (en) 2010-02-11
ZA201100939B (en) 2012-05-30
JP5457453B2 (en) 2014-04-02
BRPI0917441B1 (en) 2019-07-16
PL2324200T3 (en) 2018-12-31
RU2011108584A (en) 2012-09-20

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