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
  • E21D9/10—Making by using boring or cutting machines
  • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
  • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
  • E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis
  • E21D9/1026—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse axis the tool-carrier being rotated about a transverse axis
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH OR ROCK DRILLING; MINING
  • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
  • E21D20/00—Setting anchoring-bolts
  • E21D20/003—Machines for drilling anchor holes and setting anchor bolts

Definitions

• the invention relates to an anchor drilling and setting device which is movably connected to a movable tunnel boring machine and which can be positioned outside the outline of the plan view of the tunnel boring machine and can be clamped between the roof and sole, the tunnel boring machine having conveying means with a Transfer point behind the chassis of the tunnel boring machine is equipped.
• anchor drilling and setting devices outside the outline of the plan view of a tunnel boring machine or cutting machine, and in particular if brittle slopes are to be feared, these anchors should be made as close as possible to the local face, in order to avoid the undeveloped or unsecured Keep the area as short as possible.
• Such anchor boring and setting devices can be connected to the cutting machine or the mining machine, in order in this way the desired position close to the breast local ⁇ ensure at predetermined distances from the working face.
• Such devices are described, for example, in AT-PS 392 119, in which the anchor drilling and setting devices are connected in an articulated manner to the cutting machine and can be hydraulically clamped between the roof and the bottom of the route.
• Another form of articulated connection of anchor drilling and setting devices with a tunnel boring machine can be found, for example, in DE-Al 33 34 975.
• the anchor drilling and setting devices are laterally connected to a tunnel boring machine via articulated arms and can be clamped between the roof and the sole.
• the invention now aims to provide a device of the type mentioned at the outset, with which it is additionally possible to set a center anchor at the shortest possible distance from the face in precisely defined intervals.
• the invention aims to enable such positioning near the face even if the machine has a central, central conveyor.
• the anchor drilling and setting device essentially consists in the fact that the discharge means near the rear end of the tunneling machine can be pivoted about a first pivot axis running transversely to the longitudinal axis of the machine and at a distance behind this first pivot axis about a second pivot axis educated is and that at least one anchor drilling and setting device is connected via a swivel arm in the rear area of the tunneling machine and the same can be swiveled into a position in the extended longitudinal axis of the drive machine.
• a center anchor can be placed directly behind the tunneling machine and it can be ensured due to the given geometry to the anchor drilling and setting devices, for example, coupled to the support system of the tunneling machine, an exact geometric coordination of the drilling distances.
• the additional anchor drilling and setting device arranged in the rear area of the tunneling machine complements the anchor drilling and setting devices integrated in the machine support, which can set the corresponding anchors directly behind the loading device outside the central tunneling machine axis.
• the training is according to the invention so that the swivel arm of the rear anchor drilling and setting device is designed as an articulated arm with two arms which can be swiveled about axes parallel to one another, such a two-articulated design allowing exact positioning and at the same time also offers the possibility of decoupling this downstream anchor drilling and setting device for the center anchor from vibrations and movements of the machine.
• the required free space for handling the anchor drilling and setting device in the middle of the section is ensured by the corresponding articulated design of the removal means of the section boring machine.
• the design is such that the articulated arm for the rear anchor drilling and setting device is dimensioned such that the longitudinal distance of the anchor holes in the machine longitudinal direction from the anchor drilling and setting device working near the working face is an even multiple of the distance between adjacent holes outside corresponds to the machine longitudinal axis.
• Such a design allows the center anchor to be aligned in each case in the connecting line between two lateral anchor holes located at the same height, so that warping elements or ridge caps can be attached in a simple manner.
• the design is advantageously made such that the first and second pivot axes of the removal means run essentially parallel to one another.
• lifting the discharge conveyor in the rear machine area leads to the desired discharge height at the transfer point even when the individual sections in the rear end area of the conveyor are angled, the design advantageously being such that the end part of the discharge conveyor on the tunneling machine upholstered or is pivotally supported about a substantially sohlparallele axis to this drop height exactlycoat ⁇ .
• the angularity or articulation of the conveying means which is connected to the cutting or tunneling machine has, in addition to the advantage that the corresponding free space for the setting of a center anchor is also created the advantage that the transfer position can be set exactly on subsequent line conveyors.
• the design is advantageously made such that the part of the conveyor pointing to the second pivot axis to the transfer point carries a support wheel which can be moved in the direction of the pivotability, the transfer section of the conveyor preferably being pivotably driven by a travel drive of the support wheel.
• the divided swiveling conveyor that is directly connected to the machine can be preset accordingly, for which purpose the design is advantageously made such that the swivel angle of the intermediate the two swiveling axes of the conveyor to the machine longitudinal axis is fixed in operation.
• the boom or articulated arm for the rear anchor drilling and setting device can either be articulated on the left and / or right rear machine side.
• an anchor pattern with two anchors can be formed near the rectilinear conveyor.
• support wheels allows the last section of the removal device to be made height-adjustable in a particularly simple manner, for which it is sufficient to connect the chassis to this last section of the removal device of the tunnel boring machine in an adjustable-height manner.
• the pivotable arm (s) of the articulated arm are advantageously designed as a telescopic arm (s). Areas of the tunnel which are further away from the driving machine can also be reached by means of the extendable articulated arms, as a result of which overall greater stability, particularly in the case of Using fewer anchor drilling and setting devices can be achieved.
• the flexibility of use of the anchor drilling and setting device can advantageously be increased in that the anchor drilling and setting device is pivotally connected to the swivel arm by means of a rollover in a horizontal position.
• the vertical swiveling into a horizontal position creates the possibility, depending on requirements, without the need for conversion, to pass the discharge device running towards the end of the tunnel by swiveling horizontally .
• the anchor drilling and setting device can then be brought back into the vertical position for further work.
• the coupling point between the swivel arm and the rear area of the tunneling machine is advantageously designed in such a way that a swivel joint articulated on a swivel arm side interacts with a cylinder piston unit articulated on the rear area of the tunneling machine and that the swivel angle range of the swivel arm behind the tunneling machine is approximately Is 180 °.
• the compactness of the anchor drilling and setting device in the horizontal parking and pivoting position takes place according to a particularly preferred embodiment such that the anchor drilling and setting device can be pivoted about a vertical axis provided on the rollover at the rear end of the swivel arm.
• a horizontally pivotable anchor drilling and setting device With the aid of a horizontally pivotable anchor drilling and setting device, it is brought into the horizontal plane and into a position closer to the tunneling machine before pivoting.
• the fact that in a first step the armature drilling and setting device is folded over in the direction of the tunneling machine on the one hand, better leverage ratios for the subsequent step, i. achieve the vertical pivoting in the horizontal pivoting system in the rear area of the tunneling machine.
• the total length of the tunneling machine is reduced as a whole in the horizontal pivoting position, thereby reducing the unit. Swivel arm and tilted anchor drilling and setting device becomes more compact and shorter.
• the anchor drilling and setting device with the rollover takes up a position with respect to the swivel arm, so that the rollover is supported in the starting position for vertical swiveling on a bearing provided on the swivel arm. Because the rollover is supported on a bearing of whatever type, the connection to the anchor drilling and setting device is relieved. Such a seat in turn ensures a better absorption of the lever forces, which are amplified especially by the dynamic components during the pivoting process.
• the swing arm is formed so that at least one of the pivotable arms of the pivot arm via a hydraulic derkolbenaggregat Zylin ⁇ is vertically swingable.
• the anchor drilling and setting device is articulated on the jacking machine via the swivel arm in such a way that the swivel arm is articulated laterally outside the longitudinal center plane on the jacking machine.
• side-mounted anchor drilling and setting devices are either used in the rear area or can be used as additional devices for setting additional anchors, for example in the area of the elm.
• the lateral attachment of the swivel arms allows positions that are very far to the side to be reached.
• FIG. 1 shows a plan view of a first embodiment of the device according to the invention
• FIG. 2 shows a modified embodiment of a device according to FIG. 1 in a different position of the cutting roller relative to the machine frame
• FIG. 3 shows a plan view of the route with a 4, a transverse view of the section from the rear end of the driving machine to the anchor drilling and setting device in the working position
• FIG. 5 a top view of the device according to FIG. 4
• FIG 6 shows the position which the anchor drilling and setting device takes for the vertical pivoting according to the perspective in FIG. 4
• FIG. 7 shows a top view of FIG. 6 according to the perspective of FIG. 5 for the situation in FIG. 6.
• the machine frame 2 has a crawler track 3. With the machine frame 2 are lateral machine supports 4 with Anchor drilling and setting devices 5 connected. A central conveyor is supported in the middle of the machine frame 2 and is displaceable in the longitudinal direction of the machine.
• the longitudinal direction of the cutting machine is designated 7 and the cutting arm 8, which carries a cutting roller 9, is mounted so that it can move in the longitudinal direction of the cutting machine, ie in the direction of the central axis 7.
• the conveying stars of the loading device are indicated schematically by 10.
• an articulated arm 12 is pivoted about an axis 11, at the free end of which a further anchor drilling and setting device 13 is provided.
• the articulated arm 12 can be pivoted about a pivot axis 14 parallel to the first pivot axis 11 and a pivot drive 15 is provided so that the anchor drilling and setting device 13 can be moved into the elongated longitudinal machine longitudinal axis 7.
• the discharge conveyor 6 is designed to be angled, and a first pivot axis 15 and a second pivot axis 16 substantially parallel to the first pivot axis 15 are provided, as a result of which the discharge end 17 of the conveyor in turn is in the suitable position for the transfer can be pivoted to subsequent line conveyors.
• the pivotability about the two axes 15 and 16 creates the necessary space for inserting a central bolt.
• a pivot drive cylinder 18 is additionally provided, via which the pivotable section 19 of the conveyor 6 can be pivoted out laterally in order to free up the space required for the anchor drilling and setting device 13.
• a hydraulic cylinder piston unit 20 for the pivot drive of the articulated arms of the boom 12 can be seen.
• a schematically indicated support wheel 21 can be used, which with a
• the pivoting of the back Section 23 of the conveyor 6 to achieve a suitable transfer position can alternatively be carried out via a hydraulic cylinder piston unit 24.
• the conveyor 6 is relative to the machine frame 2 to the rear in the machine longitudinal direction, i.e. moved in the direction of the longitudinal axis 7 of the cutting machine, whereby for the cutting operation with appropriate anchoring of the anchor drilling and setting devices 5 and the stationary position of the crawler track 3 or the machine frame 2, the cutting arm can be extended together with the roller in the longitudinal direction of the cutting machine.
• the distance between the anchors set by the anchor drilling and setting devices 5 around the center anchor placed behind the cutting machine, as can be set by the anchor drilling and setting device 13, is indicated schematically here with a and corresponds to an integral multiple of the Anchor row spacing, with stationary positioning of the cutting machine base frame 2 making it possible to work precisely over a longer period of time without the jacking work being impaired.
• the design is geometrically designed such that the articulated arm 12 for the anchor drilling and setting device 13 is not hindered.
• FIG. 3 shows a schematic pattern for the setting of anchors.
• the respective position of the anchor drilling and setting devices 5 and 13 enables a central anchor 27 to be placed between external anchors 26 on the connecting line between these two anchors, as can be seen schematically in FIG. 3.
• the anchor drilling and setting device 13 is in its working position at the end of the articulated or swivel arm 12, the length of which, as a telescopic arm, can be varied by a cylinder piston unit (not shown).
• a cylinder piston unit (not shown).
• the swivel arm 12 can be moved vertically around the swivel joint 29 of the bearing part 30 for vertical swiveling of the swivel arm.
• the swivel arm 12 is pivoted horizontally about the axis 11 at the rear end of the machine frame 2 of the tunneling machine.
• a simple, horizontally acting rotary joint mechanism in the form of a plate 32 is rotatably mounted on the bearing part 30 about the axis 31, which at its other end is connected via the Swivel 33 is connected to the cylinder piston unit 34.
• the cylinder-piston unit 34 is in turn articulated on the machine frame of the tunneling machine on the axis 35, the adjustment of which can be adjusted by the interaction with the bracket 32 and the bearing part 30, the desired pivot angle of the swivel arm.
• FIG. 7 shows how the rollover axis 39 is aligned transversely to the longitudinal axis of the swivel arm on a bearing (not shown in more detail) and is now ready for vertical pivoting of the anchor drilling and setting device in the direction of the arrow 42 according to FIG. 6 in the middle of the Swivel arm 12 communicates with this.

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• Engineering & Computer Science (AREA)
• Mining & Mineral Resources (AREA)
• Geology (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Geochemistry & Mineralogy (AREA)
• Structural Engineering (AREA)
• Environmental & Geological Engineering (AREA)
• Earth Drilling (AREA)
• Dowels (AREA)
• Excavating Of Shafts Or Tunnels (AREA)
• Drilling And Boring (AREA)
• Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
• Joining Of Building Structures In Genera (AREA)
• Drilling And Exploitation, And Mining Machines And Methods (AREA)

Applications Claiming Priority (3)

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• 1994
  • 1994-11-28 AT AT0220494A patent/AT404054B/de not_active IP Right Cessation
• 1995
  • 1995-11-28 AU AU39737/95A patent/AU697879B2/en not_active Ceased
  • 1995-11-28 DE DE59504099T patent/DE59504099D1/de not_active Expired - Fee Related
  • 1995-11-28 WO PCT/AT1995/000233 patent/WO1996017155A1/fr active IP Right Grant
  • 1995-11-28 EP EP95938298A patent/EP0793765B1/fr not_active Expired - Lifetime
  • 1995-11-28 US US08/849,295 patent/US5913573A/en not_active Expired - Fee Related
  • 1995-11-28 AT AT95938298T patent/ATE172781T1/de not_active IP Right Cessation

Non-Patent Citations (1)

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