EP0333712B1 - Drilling and winning installation for mining - Google Patents

Drilling and winning installation for mining Download PDF

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Publication number
EP0333712B1
EP0333712B1 EP87905960A EP87905960A EP0333712B1 EP 0333712 B1 EP0333712 B1 EP 0333712B1 EP 87905960 A EP87905960 A EP 87905960A EP 87905960 A EP87905960 A EP 87905960A EP 0333712 B1 EP0333712 B1 EP 0333712B1
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EP
European Patent Office
Prior art keywords
drilling
mining
tools
extraction
head
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EP87905960A
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German (de)
French (fr)
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EP0333712A1 (en
Inventor
Béla BOGDANY
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Individual
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Individual
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Publication of EP0333712A1 publication Critical patent/EP0333712A1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods

Definitions

  • the invention relates to a drilling extraction system for mining, with the aid of which drilling and extraction can be carried out with high productivity and economically.
  • the drilling or extraction of rocks from mining objects, as well as tunnels, trenches, pits, canals, underpasses and the like, is carried out essentially in two ways.
  • the rock is loosened by blasting holes drilled by hand drills or, in the case of rock with a loose structure, by extraction using hand breakers or sharp hand tools.
  • the disadvantage of this method is that a working space of 0.8-1 m is required per man, which means e.g. A maximum of 4-5 men can be seated side by side in a 4 m wide route, which limits the performance.
  • a frame In the case of longer stretches, a frame must be set up to extract the rock material above, which is dismantled after completion of the work required to extract a layer with a width of 1-1.5 m and then again to carry out the next work cycle must be rebuilt. The extraction work is suspended while the frame is being assembled and dismantled.
  • the known drilling rigs generally only work with 1 to 3 drilling machines and drilling tools, one of each separate support structure is assigned. In this way, the operations for each borehole on each of the drilling tools must be controlled separately. This task places a considerable strain on the operating personnel of the drilling rig, furthermore, because of the circumstances described above, additional work steps associated with a lot of loss of time have to be carried out which render the use of these drilling rigs ineffective.
  • the drill support described in HU-PS 169 650 for jointly engaging several rock drilling tools in which the drilling mount is mounted on an articulated mechanism which can be rotated about an axis, essentially has the aim of avoiding the problems mentioned above.
  • DE-OS 2 361 566 describes a drilling rig in which the freedom of movement of the drill carriages is larger due to the lighter design and the smaller space requirement, and also the expedient mounting of the cantilever arm carrying the drill carriages, whereby the zones previously inaccessible for drilling are essentially larger become accessible and the drilling rig is suitable for drilling rock anchor drill holes.
  • the system described above can therefore be used well because of its great degree of freedom in pit sections with different inclinations and shapes, however, due to its console-like design, the tool holder is suitable for receiving a limited number of extraction tools, as a result of which only a relatively low output can be achieved.
  • the system only has extraction tools suitable for the extraction, so that it cannot be used either for the formation of a blast hole or for the formation of a rock bolt hole; therefore a separate facility is required for this purpose.
  • variable rock strengths to which these known rock combinations can only be adapted to a limited extent, ie that their use in solid rock is no longer economical. For this reason, it is necessary for a single section excavation work to use both the continuously operating rock extraction combination and the drilling rig which is provided for the production of the drill holes required for rock blasting. Since these devices can never be used together, but only separately, because of the relatively small cross-sectional area and the variable rock strength, one of the devices is always unused. This fact significantly increases the cost of driving up the route.
  • the invention solves the problem of creating a universal drilling extraction system which can be used for the design of construction objects and the like and which has a relatively large number of mining tools which are suitable for drilling and / or extraction and which process a relatively small rock surface are easily and quickly interchangeable or their function can be switched, the system being able to be adapted well to the shape and inclination of the cross-section of the mining objects, tunnels and the like, determined by different aspects, due to the high degree of freedom of its work-performing construction unit, and thus beyond productive extraction can also be used for sinking wells and for knocking out excavations.
  • the construction of the plant should also enable the productive production of drill holes required for blasting, as well as rock anchor drill holes and other drill holes required for the expansion of the mining objects for exploration and security purposes with an optimal arrangement.
  • a drilling and extraction system for mining which preferably a mobile support frame, one attached to this, from Working cylinders and / or supports existing supporting structure and a work-carrying construction unit mounted on this supporting structure via a supporting structure connecting element, optionally provided with a rotary drive, and receiving a plurality of dismantling tools assigned to the supporting, driving and driving elements
  • the system being characterized in the sense of the invention, that the work-performing construction unit has a plurality of coupled tool holders, each of which holds a plurality of dismantling tools arranged parallel to one another, the dismantling tools for connecting a drilling head and a extraction head being equally assigned suitable drive elements.
  • the neighboring tool holders are connected to one another via their mutual adjustment, suitably arranged in pairs.
  • the drilling and extraction system according to the invention can also be provided with drilling or extraction tools that are easily interchangeable.
  • the dismantling tool of the installation is provided with a separately and also jointly operable combined drilling and extraction head, the shaft of the drilling head connected to the drive member being coaxial and supported by the cutting knife provided conical extraction head is passed, in the narrower end of which a recess suitable for the rotationally fixed and form-fitting reception of the drilling head is formed.
  • the construction unit consists of five tool holders 1, 2, 3, 4 and 5, which each combine a plurality of dismantling tools 12 arranged parallel to one another to form a tool group.
  • the middle tool holder 1 is connected to the adjacent tool holders 2 and 3 by means of joint devices 6 and 7, while the tool holders 2 and 3 are connected to the outer tool holders 4 and 5 by means of joint devices 8 and 9.
  • These Joint devices are designed such that the intermediate tool holder 2 and 3 can be pivoted up and down relative to the tool holder 1.
  • the outer tool holders 4 and 5 are pivotable relative to the tool holders 2 and 3.
  • the swivel angle can also reach 140 °.
  • the middle tool holder 1, the intermediate tool holder 2 and 3, and also the outer tool holder 4 and 5 can also be made into a fan shape relative to one another.
  • the connecting elements of the hinge devices 6 and 8 are released, which enables the tool holders 1, 2, 3, 4, 5 to be placed in a fan shape around the hinge devices 7 and 9.
  • the middle tool holder 1, the intermediate tool holder 2 and 3, and also the outer tool holder 4 and 5 are connected to each other, in addition to the articulation devices 6 to 9, preferably also via hydraulically actuatable pivotable working cylinders 10.
  • the working cylinders 10 are arranged in pairs, the pairs, as seen in FIG. 4 in the direction of the longitudinal axis of the central tool holder 1, crossing each other in a shape reminiscent of the St. Andrew's cross, the lower and upper edges of the sides of the tool holders connected to one another connect.
  • the middle tool holder 1 is provided with a supporting structure connecting element 11, and the work-performing structural unit is attached to the mechanism built on the undercarriage, ie to the supporting structure, which is described with reference to FIG. 2.
  • the supporting structure connecting element 11 is provided with a rotary drive, in particular in the case of lines with a circular cross section, which makes it possible to rotate the entire work-performing structural unit together or to rotate the horizontal longitudinal axis of the central tool holder 1 at the desired angle.
  • the middle tool holder 1, the intermediate tool holder 2 and 3 and the outer tool holder 4 and 5 are essentially designed as support frames 36, 45 made of section steel, steel plates.
  • Carriage holders 44, 49 are connected to the support frames 36, 45, on which drive elements 13 for removal tools 12 provided with drilling heads and / or extraction heads, as well as lines, fastening means and other actuating devices are arranged.
  • the number of drive elements 13 or removal tools 12, which are adjustably fastened on the slide holders 44, 49 assigned to the tool holders 1 to 5, can in principle be arbitrary.
  • the construction unit performing the work is fastened via the supporting structure connecting member 11 to the prismatic supporting structure 75 consisting of hydraulic working cylinders 14, 15 and 16 and rear supporting beams 74. Eyes 17 and bolts are arranged on the rear surface of the housing of the supporting structure connecting element 11, to which the one ends of the upper and lower working cylinders 16 are articulated, whereby one side of the supporting structure 75 is actually formed by the supporting structure connecting element 11.
  • the side of the support structure 75 opposite the support structure connecting element 11 is formed by two rear support beams 74 - shown vertically in FIG. 2 - which are connected to one another at the top by a beam which is not visible in the figure and are articulated at the bottom to a slide 18.
  • the other ends of the upper and lower working cylinders 16 are connected to the upper and lower ends of the vertically drawn rear support beams 74.
  • the support structure connecting member 11 together with the to it connected work-performing construction unit to a degree dependent on the dimensions of the working cylinders 16 and the rear support beams 74 raised and lowered, furthermore in the plane corresponding to the plane of the drawing, for example for the purpose of drilling rock bolt drill holes.
  • the length of the working cylinder 16 is also changed.
  • the carriage 18 is arranged on the turntable 19, on the guide surface 20 of which the carriage 18 can be displaced in the longitudinal direction of the lying surface 22 by means of the working cylinder 21.
  • the movability of the slide 18 in the longitudinal direction, its rotatability on the turntable 19, the elevation and lowerability of the supporting structure connecting element 11, its rotatability in the plane of the drawing and the rotatability of the tool holder 1 by means of the supporting structure connecting element 11 enable the removal tools 12 to be set in any position and direction inside the work space.
  • the guide surface 20 is mounted on a crawler tractor 23. Between the caterpillars of the tractor 23 there is arranged a conveyor device known per se and in front of this a loading device 24 also known per se.
  • While the drilling and extraction system shown in FIG. 2 is mounted on the tractor 23 that can be moved on the lying end 22, the system in the arrangement shown in FIG. 3 is suspended on two parallel hanging rails 26 attached to the hanging end 25.
  • the hanging rails 26 can be extended in advance in accordance with the progress of the extraction.
  • a correspondingly designed, slidable and consisting of sleeves lockable in their set positions existing slide 27 is arranged, which arranged the support structure 75 correspondingly arranged working cylinder 16 and the rear support beams 74 and the working cylinders 14 and 15 and the supporting structure connecting member 11 substantially same Way carries the carriage 18 in the arrangement according to FIG. 2.
  • the tool holders designed as support frames 36, 45 are always designed depending on the number of drive elements 13, i.e. the design of the tool holder changes depending on whether more or fewer drive members 13 are arranged on the support frames 36, 45 by directly carrying the slide carriers 44 49.
  • the system is stabilized at the dismantling front with fastening mandrels 126.
  • feed lines supplying electrical energy and / or high-pressure liquid are passed.
  • the feed lines 28 supply the energy through a suitable distributor for driving the removal tools 12 and for actuating the pulling, locking and conveying devices of the installation.
  • An annular groove 29 is formed in the interior of the housing of the supporting structure connecting element 11, into which the flange 30 of the rear end of the central tool holder 1 fits.
  • the flange 30 is held and guided by the annular groove 29 around the longitudinal axis during the rotation of the tool holder 1.
  • a circular ring 31 protrudes from the rear surface of the flange 30, on the inner surface of which there is a ring gear.
  • the teeth of the ring gear are continuously toothed with the teeth of the small toothed wheel 33 which can be rotated by means of the motor 32 fastened on the housing of the supporting structure connecting element 11, so that the circular ring 31 and thus together the middle tool holder 1 and the tool holders 1 to 5 shown in FIG. 1 are rotated when the gear 33 rotates.
  • FIG. 4 shows the work-performing construction unit of the drilling and extraction system according to the invention shown in FIG. 1 in a front view, seen from the dismantling front 80.
  • the middle tool holder 1 is set for carrying and actuating five removal tools 12, which are arranged at the points marked with circles.
  • the intermediate tool holder 2 and 3 are with the sides of the tool holder 1 in the manner shown in the figure by means of working cylinders 10 crossing each other in view and by means of the upper and lower joint devices 6 in the drawing, further, behind the joint devices 6, by means of which in the the support structure connecting element 11 facing end of the middle tool holder located articulation devices 7 rotatably connected to each other.
  • Two rows of removal tools 12 are arranged one below the other in the tool holders 2 and 3. Between these rows (shown horizontally in FIG. 4) there is a free space 34 of adjustable height.
  • the tool holders 2 and 3 are rotatably connected to the outer tool holders 4 and 5, similarly as set out above, by means of working cylinders 10 or joint devices 8 and 9.
  • the twisting can be carried out with a corresponding actuation of the working cylinders 10 located in a pair.
  • the removal tools 12 are arranged in four positions or rows one below the other. From the figure it can be seen that the system according to the invention can be built in many embodiments or versions in accordance with the respective drilling and extraction requirements.
  • the rows of Removal tools 12 carrying separate support frames 36, 45 are held one above the other by means of four working cylinders 35 which have the position shown in FIG. 4 with dash-dotted lines.
  • the rows of the removal tools 12 located in the outer tool holders 4 and 5 are held one above the other by two working cylinders 35.
  • the distance between the rows, ie the height of the free spaces 34, can be adjusted using the working cylinders 35 belonging to the tool holders 1.
  • Figure 5 shows an embodiment of the conventional drilling or extraction head of the mining tool 12 replacing combined drilling and extraction head 77 or the connection of this drilling and extraction head 77 with the tool holder designed as a support frame 45 in side view, partially in section.
  • the drilling 78 or extraction heads 79 of the mining tools 12, which serve both the drilling and extraction activities are arranged together along the sides of the support frames 36, 45 facing the mining front 80.
  • the drill heads 78 are provided with drive edges 81, while the conical spiral-edged extraction heads 79 are provided with cutting blades 82.
  • the drilling heads 78 are connected to the shaft of the mining tool 12, which is coaxial and supported through the inside of the extraction head 79, while the extraction heads 79 are connected to the support frames 36, 45 by means of the hollow bolt elements 84 provided with bolt eyes 83 and ending as a truncated cone in such a way that the extraction heads 79 can be carried forward and backward with the actuation of the pistons 86 of the working cylinders 85 fastened to the support frame along the axis line of the removal tools 12.
  • the inner cylindrical surface of the extraction heads 79 is provided with a groove-like extraction head ring gear 87.
  • plug-in insert driving inserts 91 provided with outer 89 and inner 90 toothed rings or edges are connected.
  • the plug-in inserts 91 driving the extraction head can be carried forward and backward in the longitudinal direction of the removal tools 12, because the plug-in inserts 91 driving the extraction head in the exemplary embodiment by designing the ends of the plug-in inserts 91 opposite the removal front 80 as pistons 92 and by providing the hollow bolt elements 84 with sealing rings 93 and power line connections 94 are designed as working cylinders.
  • the extraction heads 79 are driven by taking the drive edges 81 with them from the internal toothed ring 90 which positively adjoins them and by actuating the drive elements 13 of the removal tools 9, 12.
  • the extraction head driving plug inserts 91 can also be used directly to drive the extraction heads 79 if their ends opposite the extraction front 80 are directly connected to the drive elements 13.
  • This embodiment can be used in the extraction of hard rock with high extraction resistance, this embodiment allowing greater torque to be transmitted to the extraction heads 79 without deformation of the mining tools 12 due to torsion thereof.
  • Figure 6 shows the drilling and extraction system for mining in a rotated into the vertical position part of an embodiment in which the supporting structure connecting element 11 are connected to the working cylinders 14, 15 and 16 via sliding eyes 95 which can be towed.
  • This embodiment may be necessary because of the advantageous rotation of the system that can be carried out from the horizontal to the vertical position (for example for the purpose of making rock bolt drill holes).
  • a pair of grooves 96 is formed at the bottom thereof.
  • working cylinders 97 which are suitable for locking and releasing the sliding eyes 95, are connected to the lower and upper base parts.
  • the grooved bolts 103 of the pistons of the working cylinders 101 (which serve to receive the piston rods 102 of the working cylinders 99) connected, which are arranged along the leading pair of elements 100 which adjoin the tool holder designed as a support frame 36.
  • FIG. 7 shows a perspective view of such an embodiment of the drilling and extraction system for mining, in which a support structure connecting element 11 is used to support the structure 75 carried by the carriage 27, which can be moved in the hanging rail 26 mounted on the hanging wall 25 of a pit section such tool holder is connected, which consists of a frame system 104, which is formed by the joining of working cylinders 105 and support members 106.
  • This enables the setting of both the distance between the removal tools 12 and their directions of travel.
  • Separate driver and drive elements 13 are arranged on each of the components located in the longitudinal direction, ie support elements 106, of the frame system 104.

Abstract

A drilling and winning installation for mining has a support frame and several working tools adjustably mounted thereon in the desired position and linked to bearing, carrying and/or driving means. The working tools form together with the bearing, carrying and/or driving means a module which is able to carry out and/or drive the associated group of working tools all together and/or to carry and/or drive separately the individual tools forming a group of working tools, by means of the carrying and/or driving mechanism. Each given group of working tools provided for implementing a given technological process is designed as a unit able of carrying out the corresponding working steps.

Description

Die Erfindung betrifft eine Bohr-Gewinnungsanlage für den Bergbau, mit deren Hilfe das Bohren und die Gewinnung mit hoher Produktivität und wirtschaftlich durchgeführt werden kann.The invention relates to a drilling extraction system for mining, with the aid of which drilling and extraction can be carried out with high productivity and economically.

Das Bohren oder die Gewinnung der Gesteine von Bergbauobjekten, ferner von Tunneln, Gräben, Gruben, Kanälen, Unterführungen und dergleichen wird im wesentlichen in zwei Weisen durchgeführt. Bei dem einen verfahren wird das Auflockern des Gesteins durch Sprengung von mittels Hand-Bohrmaschinen gebohrten Löchern bzw. bei Gestein mit lockerer Struktur durch Gewinnung mithilfe von Hand-Abbauhämmern oder scharfen Handwerkzeugen durchgeführt. Der Nachteil dieses Verfahrens ist, daß pro Mann ein Arbeitsraum von 0,8 - 1 m benötigt wird, wodurch z.B. in einer 4 m breiten Strecke höchstens 4-5 Mann nebeneinander Platz haben können, wodurch die Gewinnungsleistung beschränkt ist. Im Falle von höheren Strecken muß zur Gewinnung des oben liegenden Gesteinsmaterials ein Gestell aufgebaut werden, das nach der Erledigung der Arbeit, die für die Herausgewinnung einer Schicht mit 1-1,5 m Breite erforderlich ist, abgebaut und danach zwecks Durchführung des nächsten Arbeitzyklus wieder neu aufgebaut werden muß. Während des Aufbauens und Abbauens des Gestells ruht die Gewinnungsarbeit.The drilling or extraction of rocks from mining objects, as well as tunnels, trenches, pits, canals, underpasses and the like, is carried out essentially in two ways. In one method, the rock is loosened by blasting holes drilled by hand drills or, in the case of rock with a loose structure, by extraction using hand breakers or sharp hand tools. The disadvantage of this method is that a working space of 0.8-1 m is required per man, which means e.g. A maximum of 4-5 men can be seated side by side in a 4 m wide route, which limits the performance. In the case of longer stretches, a frame must be set up to extract the rock material above, which is dismantled after completion of the work required to extract a layer with a width of 1-1.5 m and then again to carry out the next work cycle must be rebuilt. The extraction work is suspended while the frame is being assembled and dismantled.

Aufgrund all dieser Umstände ist die Handgewinnung des Gesteins unwirtschaftlich.Because of all these circumstances, the extraction of the stone by hand is uneconomical.

Bei dem anderen bekannten und allgemein verwendeten Verfahren wird das Bohren und/oder das Gewinnen des Gesteins mithilfe von Maschinen und Vorrichtungen von mehreren Tonnen Gewicht durchgeführt. Die bekannten Vorrichtungen weisen jedoch viele nachteilige Eigenschaften auf.In the other known and commonly used method, the drilling and / or the extraction of the rock is carried out using machines and devices weighing several tons. However, the known devices have many disadvantageous properties.

Ein grundsätzlicher Nachteil dieser Vorrichtungen liegt darin, daß ihre Produktivität im Verhältnis zu ihrem hohen Energieverbrauch und Gewicht gering ist.A fundamental disadvantage of these devices is that their productivity is low in relation to their high energy consumption and weight.

Die bekannten Bohranlagen arbeiten im allgemeinen nur mit 1 bis 3 Bohrmaschinen und Bohrwerkzeugen, denen jeweils eine gesonderte Tragkonstruktion zugeordnet ist. In dieser Weise müssen die Arbeitsvorgänge für jedes Bohrloch an jedem der Bohrwerkzeuge gesondert gesteuert werden. Diese Aufgabe belastet das Bedienungspersonal der Bohranlage erheblich, ferner müssen wegen der oben dargestellten Umstände zusätzliche mit viel Zeitverlust verbundene Arbeitsschritte durchgeführt werden, die die Anwendung dieser Bohranlagen unwirtschaflich machen.The known drilling rigs generally only work with 1 to 3 drilling machines and drilling tools, one of each separate support structure is assigned. In this way, the operations for each borehole on each of the drilling tools must be controlled separately. This task places a considerable strain on the operating personnel of the drilling rig, furthermore, because of the circumstances described above, additional work steps associated with a lot of loss of time have to be carried out which render the use of these drilling rigs ineffective.

Ein weiterer Nachteil dieser Bohranlagen ist, daß ihre Fähigkeit zur Anpassung an Grubenräume mit unterschiedlichen Formen und Neigungen gering ist, woraus folgt, daß die Abmessungen und Formen der Bohranlagen an die jeweiligen Bergbauobjekte angepaßt werden müssen und eine Unzahl von Maschinentypen sogar innerhalb eines einzigen Betriebs verwendet werden. Dieser Umstand erschwert die Ersatzteilversorgung und verursacht wirtschaftliche Verluste.Another disadvantage of these drilling rigs is that their ability to adapt to mines with different shapes and inclinations is poor, which means that the dimensions and shapes of the drilling rigs have to be adapted to the respective mining objects and use a myriad of machine types even within a single operation will. This makes it difficult to supply spare parts and causes economic losses.

Beispielsweise hat die in der HU-PS 169 650 beschriebene Bohrstütze zum gemeinsamen Angreifen an mehreren Gesteinsbohrwerkzeugen, bei der die Bohrlafetten an einem um eine Achse drehbaren gelenkigen Mechanismus montiert sind, im wesentlichen das Ziel, die oben erwähnten Probleme zu vermeiden.For example, the drill support described in HU-PS 169 650 for jointly engaging several rock drilling tools, in which the drilling mount is mounted on an articulated mechanism which can be rotated about an axis, essentially has the aim of avoiding the problems mentioned above.

In der DE-OS 2 361 566 ist eine Bohranlage beschrieben, bei der die Bewegungsfreiheit der Bohrlafetten infolge der leichteren Ausführung und des kleineren Raumbedarfes, ferner der zweckmäßigen Lagerung des die Bohrlafetten tragenden Auslegerarmes größer ist, wodurch die für das Bohren bisher unerreichbaren Zonen im wesentlichen zugänglich werden und die Bohranlage für das Bohren von Gesteinsankerbohrlöchern geeignet ist.DE-OS 2 361 566 describes a drilling rig in which the freedom of movement of the drill carriages is larger due to the lighter design and the smaller space requirement, and also the expedient mounting of the cantilever arm carrying the drill carriages, whereby the zones previously inaccessible for drilling are essentially larger become accessible and the drilling rig is suitable for drilling rock anchor drill holes.

Die Anpassung an Grubenräume mit unterschiedlichen Formen und Neigungen bereitet nicht nur beim Bohrvorgang Schwierigkeiten, sondern auch bei der Gewinnung. Die in der US-A-3 729 056 beschriebene Anlage wurde in erster Linie mit dem Ziel entwickelt, diese Schwierigkeiten zu vermeiden. Bei dieser Anlage hat die Arbeitsmaschine einen großen Freiheitsgrad, wodurch die Anlage unter den unterschiedlichsten Grubenvoraussetzungen betrieben werden kann. Bei dieser Anlage ist an ein mobiles Raupenfahrwerk über einen Drehschemel eine gelenkige Tragkonstruktion angeschlossen, die mithilfe von Arbeitszylindern in die erwünschte Position gestellt werden kann. Die beiden Gewinnungswerkzeuge der Anlage in Form von hin- und hergehend angetriebenen Hämmern sind zusammen bewegbar und betreibbar auf einem ihnen gemeinsamen Werkzeughalter angeordnet, der ebenfalls über einen Drehschemel an die Tragkonstruktion angeschlossen und mithilfe von Arbeitszylindern um eine horizontale Achse schwenkbar ist. Die auf dem gemeinsamen Werkzeughalter angeordneten und mit Trag-, Mitnehmer- und Antriebsorganen versehenen Gewinnungswerkzeuge können auch relativ zueinander verschwenkt werden.The adaptation to pit rooms with different shapes and inclinations is not only difficult during the drilling process, but also during extraction. The facility described in US-A-3,729,056 was primarily aimed designed to avoid these difficulties. With this system, the machine has a high degree of freedom, which means that the system can be operated under a wide variety of pit requirements. In this system, an articulated support structure is connected to a mobile crawler chassis via a turntable, which can be set into the desired position using working cylinders. The two extraction tools of the system in the form of reciprocally driven hammers can be moved and operated together on a tool holder common to them, which is also connected to the supporting structure via a turntable and can be pivoted about a horizontal axis using working cylinders. The extraction tools arranged on the common tool holder and provided with support, driver and drive elements can also be pivoted relative to one another.

Die oben beschriebene Anlage kann also wegen ihres großen Freiheitsgrades in Grubenstrecken mit unterschiedlichen Neigungen und Formen gut angewendet werden, jedoch ist der Werkzeughalter infolge seiner konsolartigen Ausführung für die Aufnahme einer nur beschränkten Anzahl von Gewinnungswerkzeugen geeignet, wodurch lediglich eine verhältnismäßig geringe Leistung erreicht werden kann. Bei einem Seitwärtsschwenken ist jeweils nur die eine Gewinnungseinheit fähig, eine wirksame Arbeit auszuführen. Ferner weist die Anlage nur für die Gewinnung geeignete Abbauwerkzeuge auf, so daß sie weder für die Ausbildung eines Sprengloches noch für die Ausbildung eines Gesteinsankerbohrloches verwendet werden kann; demnach ist zu diesem Zweck eine gesonderte Anlage erforderlich.The system described above can therefore be used well because of its great degree of freedom in pit sections with different inclinations and shapes, however, due to its console-like design, the tool holder is suitable for receiving a limited number of extraction tools, as a result of which only a relatively low output can be achieved. When swiveling sideways, only one extraction unit is capable of performing an effective work. Furthermore, the system only has extraction tools suitable for the extraction, so that it cannot be used either for the formation of a blast hole or for the formation of a rock bolt hole; therefore a separate facility is required for this purpose.

Bei den leistungsstakren Anlagetypen für kontinuierliche Gesteinsgewinnung, bei den sog. Gewinnungskombinen, besteht ebenfalls der Nachteil, daß diese nicht fähig sind, sich an Bergbauobjekte mit unterschiedlichen Neigungen und Formen anzupassen.With the high-performance plant types for continuous rock extraction, with the so-called extraction combinations, there is also the disadvantage that these are not able to adapt to mining objects with different inclinations and shapes.

Ein weiterer Nachteil ergibt sich bei diesen Anlagen aus den veränderlichen Gesteinsfestigkeiten, an welche diese bekannten Gesteinskombinen nur beschränkt angepaßt werden können, d.h. daß ihre Anwendung in festerem Gestein nicht mehr wirtschaftlich ist. Deswegen ist es schon bei einer einzigen Streckenauffahrungsarbeit erforderlich, daß sowohl die kontinuierlich arbeitende Gesteinsgewinnungskombine als auch die Bohranlage, die für die Herstellung der zur Gesteinssprengung erforderlichen Bohrlöcher vorgesehen ist, eingesetzt werden. Da diese Einrichtungen wegen des verhältnismäßig kleinen Streckenquerschnittes, ferner der veränderlichen Gesteinsfestigkeit niemals gemeinsam, sondern nur gesondert verwendet werden können, ist eine der Einrichtungen immer unausgenutzt. Dieser Umstand erhöht die Streckenauffahrungskosten bedeutend.Another disadvantage of these systems arises from the variable rock strengths, to which these known rock combinations can only be adapted to a limited extent, ie that their use in solid rock is no longer economical. For this reason, it is necessary for a single section excavation work to use both the continuously operating rock extraction combination and the drilling rig which is provided for the production of the drill holes required for rock blasting. Since these devices can never be used together, but only separately, because of the relatively small cross-sectional area and the variable rock strength, one of the devices is always unused. This fact significantly increases the cost of driving up the route.

Durch die Erfindung wird die Aufgabe gelöst, eine für die Gestaltung von Bauobjekten und dergl. verwendbare universelle Bohr-Gewinnungsanlage zu schaffen, die verhältnismäßig viele, jeweils eine verhältnismäßig kleine Gesteinsfläche bearbeitende, für das Bohren und/oder für die Gewinnung geeignete Abbauwerkzeuge aufweist, welche leicht und schnell austauschbar oder in ihrer Funktion umschaltbar sind, wobei die Anlage infolge des großen Freiheitsgrades ihrer arbeitsleistenden Konstruktionseinheit an die Form und Neigung des durch unterschiedliche Gesichtspunkte bestimmten Querschnittes der Bergbauobjekte, Tunnel und dergl. gut angepaßt werden kann und dadurch über die produktive Gewinnung hinaus auch für das Schachtabteufen und für das Ausschlagen von Aufbrüchen verwendet werden kann. Daneben soll die Konstruktion der Anlage auch die produktive Herstellung von für die Sprengung erforderlichen Bohrlöchern, ferner von zum Ausbau der Bergobjekte notwendigen Gesteinsankerbohrlöchern und sonstigen Bohrlöchern für Erkundungs- und Sicherheitszwecke mit optimaler Anordnung ermöglichen.The invention solves the problem of creating a universal drilling extraction system which can be used for the design of construction objects and the like and which has a relatively large number of mining tools which are suitable for drilling and / or extraction and which process a relatively small rock surface are easily and quickly interchangeable or their function can be switched, the system being able to be adapted well to the shape and inclination of the cross-section of the mining objects, tunnels and the like, determined by different aspects, due to the high degree of freedom of its work-performing construction unit, and thus beyond productive extraction can also be used for sinking wells and for knocking out excavations. In addition, the construction of the plant should also enable the productive production of drill holes required for blasting, as well as rock anchor drill holes and other drill holes required for the expansion of the mining objects for exploration and security purposes with an optimal arrangement.

Dies wird erfindungsgemäß durch die Merkmale im Anspruch 1 erreicht. Bevorzugte Ausgestaltungen sind in den Unteransprüchen angegeben.This is achieved according to the invention by the features in claim 1. Preferred configurations are specified in the subclaims.

Die gestellte Aufgabe wird daher mit einer Bohr- und Gewinnungsanlage für den Bergbau gelöst, die ein vorzugsweise mobiles Traggestell, eine auf diesem angebrachte, zweckmäßigerweise aus Arbeitszylindern und/oder Stützen bestehende Tragkonstruktion sowie eine auf dieser Tragkonstruktion über ein gegebenenfalls mit Drehantrieb versehenes Tragkonstruktionsanschlußorgan angebrachte und eine Mehrzahl von den Trag-, Mitnehmer- und Antriebsorganen zugeordneten Abbauwerkzeugen aufnehmende arbeitsleistende Konstruktionseinheit aufweist, wobei die Anlage im Sinne der Erfindung dadurch gekennzeichnet ist, daß die arbeitsleistende Konstruktionseinheit mehrere miteinander gekuppelte, jeweils mehrere parallel zueinander angeordnete Abbauwerkzeuge aufnehmende Werkzeughalter aufweist, wobei den Abbauwerkzeugen zum Anschluß eines Bohrkopfes und eines Gewinnungskopfes gleicherweise geeignete Antriebsorgane zugeordnet sind. Dabei sind im Interesse der besseren Anpassung der Anlage an die bergbaulichen Gegebenheiten die benachbarten Werkzeughalter über ihre gegenseitige Verstellung ermöglichende, zweckmäßigerweise paarweise angeordnete Arbeitszylinder miteinander verbunden.The task is therefore solved with a drilling and extraction system for mining, which preferably a mobile support frame, one attached to this, from Working cylinders and / or supports existing supporting structure and a work-carrying construction unit mounted on this supporting structure via a supporting structure connecting element, optionally provided with a rotary drive, and receiving a plurality of dismantling tools assigned to the supporting, driving and driving elements, the system being characterized in the sense of the invention, that the work-performing construction unit has a plurality of coupled tool holders, each of which holds a plurality of dismantling tools arranged parallel to one another, the dismantling tools for connecting a drilling head and a extraction head being equally assigned suitable drive elements. In the interest of better adaptation of the system to the mining conditions, the neighboring tool holders are connected to one another via their mutual adjustment, suitably arranged in pairs.

Die erfindungsgemäße Bohr- und Gewinnungsanlage kann auch mit Bohr- bzw. Gewinnungswerkzeugen versehen werden, die leicht gegeneinander auswechselbar sind. Jedoch ist es im Interesse des kontinuierlichen, wirksamen und sicheren Baus vorteilhaft, wenn das Abbauwerkzeug der Anlage mit einem gesondert und auch gemeinsam betätigbaren kombinierten Bohr- und Gewinnungskopf versehen ist, wobei die mit dem Antriebsorgan verbundene Welle des Bohrkopfes koaxial und gelagert durch den mit Schneidmessern versehenen konischen Gewinnungskopf hindurchgeführt ist, in dessen schmalerem Ende eine zur drehfesten und formschließenden Aufnahme des Bohrkopfes geeignete Aussparung ausgebildet ist.The drilling and extraction system according to the invention can also be provided with drilling or extraction tools that are easily interchangeable. However, in the interest of continuous, effective and safe construction, it is advantageous if the dismantling tool of the installation is provided with a separately and also jointly operable combined drilling and extraction head, the shaft of the drilling head connected to the drive member being coaxial and supported by the cutting knife provided conical extraction head is passed, in the narrower end of which a recess suitable for the rotationally fixed and form-fitting reception of the drilling head is formed.

Die Erfindung wird mithilfe von Ausführungsbeispielen anhand der Zeichnung detallierter erläutert.The invention is explained in more detail with the aid of exemplary embodiments with reference to the drawing.

In der Zeichnung zeigt:

  • Figur 1 die schematische Draufsicht der arbeitsleistenden Konstruktionseinheit;
  • Figur 2 die schematische Seitenansicht einer erfindungsgemäßen Bohr- und Gewinnungsanlage mit als Raupenschlepper ausgebildetem Fahrwerk und einer auf diesem angebrachten, aus Arbeitszylindern und Tragstützen bestehenden Tragkonstruktion;
  • Figur 3 die Seitenansicht einer an dem Hangenden aufgehängten erfindungsgemäßen Bohr- und Gewinnungsanlage mit im Schnitt dargestelltem Tragkonstruktionsanschlußorgan;
  • Figur 4 die schematische Vorderansicht der in Figur 1 dargestellten arbeitsleistenden Konstruktionseinheit von der Abbaufront her betrachtet;
  • Figur 5 die Seitenansicht eines mit kombiniertem Bohr-Gewinnungskopf versehenen Abbauwerkzeuges, teilweise im Schnitt;
  • Figur 6 die Seitenansicht der in eine für das Bohren von Gesteinsankerbohrlöchern geeignete Stellung gestellten erfindungsgemäßen Anlage; und
  • Figur 7 eine auf einer Hängeschiene bewegbare Ausführungsform der erfindungsgemäßen Bohr- und Gewinnungsanlage in perspektivischer Darstellung.
The drawing shows:
  • Figure 1 is a schematic plan view of the construction unit performing work;
  • FIG. 2 shows the schematic side view of a drilling and extraction system according to the invention with a chassis designed as a caterpillar tractor and a supporting structure attached to it and consisting of working cylinders and supporting supports;
  • FIG. 3 shows the side view of a drilling and extraction system according to the invention suspended on the hanging wall with a supporting structure connecting element shown in section;
  • FIG. 4 shows the schematic front view of the work-performing construction unit shown in FIG. 1 viewed from the dismantling front;
  • FIG. 5 shows the side view of a mining tool provided with a combined drilling and extraction head, partly in section;
  • FIG. 6 shows the side view of the installation according to the invention placed in a position suitable for drilling rock anchor drilling holes; and
  • FIG. 7 shows an embodiment of the drilling and extraction system according to the invention that can be moved on a hanging rail in a perspective illustration.

Aus Figur 1 ist die arbeitsleistende Konstruktionseinheit der erfindungsgemäßen Bohr- und Gewinnungsanlage ersichtlich. Die Konstruktionseinheit besteht in dem gegebenen Fall aus fünf Werkzeughaltern 1, 2, 3, 4 und 5, die jeweils mehrere parallel zueinander angeordnete Abbauwerkzeuge 12 zu einer Werkzeuggruppe zusammenfassen. Der mittlere Werkzeughalter 1 ist mit den benachbarten Werkzeughaltern 2 und 3 mittels Gelenkvorrichtungen 6 und 7 verbunden, während die Werkzeughalter 2 und 3 mit den äußeren Werkzeughaltern 4 und 5 mittels Gelenkvorrichtungen 8 und 9 verbunden sind. Diese Gelenkvorrichtungen sind derart ausgebildet, daß die intermediären Werkzeughalter 2 und 3 relativ zu dem Werkzeughalter 1 nach oben und unten schwenkbar sind. Ähnlich sind die äußeren Werkzeughalter 4 und 5 relativ zu den Werkzeughaltern 2 und 3 schwenkbar. Der Schwenkswinkel kann auch 140° erreichen.The work-performing construction unit of the drilling and extraction system according to the invention can be seen from FIG. In the given case, the construction unit consists of five tool holders 1, 2, 3, 4 and 5, which each combine a plurality of dismantling tools 12 arranged parallel to one another to form a tool group. The middle tool holder 1 is connected to the adjacent tool holders 2 and 3 by means of joint devices 6 and 7, while the tool holders 2 and 3 are connected to the outer tool holders 4 and 5 by means of joint devices 8 and 9. These Joint devices are designed such that the intermediate tool holder 2 and 3 can be pivoted up and down relative to the tool holder 1. Similarly, the outer tool holders 4 and 5 are pivotable relative to the tool holders 2 and 3. The swivel angle can also reach 140 °.

Der mittlere Werkzeughalter 1, die intermediären Werkzeughalter 2 und 3, ferner die äußeren Werkzeughalter 4 und 5 können relativ zueinander auch in Fächerform gebracht werden. In diesem Falle werden die Verbindungselemente der Gelenkvorrichtungen 6 und 8 gelöst, wodurch ermöglicht wird, daß die Werkzeughalter 1, 2, 3, 4, 5 um die Gelenkvorrichtungen 7 und 9 in Fächerform gestellt werden.The middle tool holder 1, the intermediate tool holder 2 and 3, and also the outer tool holder 4 and 5 can also be made into a fan shape relative to one another. In this case, the connecting elements of the hinge devices 6 and 8 are released, which enables the tool holders 1, 2, 3, 4, 5 to be placed in a fan shape around the hinge devices 7 and 9.

Der mittlere Werkzeughalter 1, die intermediären Werkzeughalter 2 und 3, ferner die äußeren Werkzeughalter 4 und 5 sind außer über die Gelenkvorrichtungen 6 bis 9 bevorzugt auch über hydraulisch betätigbare schwenkbare Arbeitszylinder 10 miteinander verbunden. Die Arbeitszylinder 10 sind paarweise angeordnet, wobei die Paare in der aus Figur 4 ersichtlichen Weise in Richtung der Längsachse des mittleren Werkzeughalters 1 gesehen einander kreuzend in einer Form, die an das Andreaskreuz erinnert, die unteren und oberen Ränder der Seiten der aneinander angeschlossenen Werkzeughalter miteinander verbinden.The middle tool holder 1, the intermediate tool holder 2 and 3, and also the outer tool holder 4 and 5 are connected to each other, in addition to the articulation devices 6 to 9, preferably also via hydraulically actuatable pivotable working cylinders 10. The working cylinders 10 are arranged in pairs, the pairs, as seen in FIG. 4 in the direction of the longitudinal axis of the central tool holder 1, crossing each other in a shape reminiscent of the St. Andrew's cross, the lower and upper edges of the sides of the tool holders connected to one another connect.

Das eine Ende des mittleren Werkzeughalters 1 ist mit einem Tragkonstruktionsanschlußorgan 11 versehen, und die arbeitsleistende Konstruktionseinheit ist über dieses an den auf dem Fahrwerk aufgebauten Mechanismus, d.i. an der Tragkonstruktion angebracht, die anhand der Figur 2 beschrieben wird. Das Tragkonstruktionsanschlußorgan 11 ist, insbesondere im Falle von Strecken mit Kreisquerschnitt, mit einem Drehantrieb versehen, wodurch es fähig ist, die gesamte arbeitsleistende Konstruktionseinheit gemeinsam zu drehen bzw. um die horizontale Längsachse des mittleren Werkzeughalters 1 im erwünschten Winkel zu verdrehen.One end of the middle tool holder 1 is provided with a supporting structure connecting element 11, and the work-performing structural unit is attached to the mechanism built on the undercarriage, ie to the supporting structure, which is described with reference to FIG. 2. The supporting structure connecting element 11 is provided with a rotary drive, in particular in the case of lines with a circular cross section, which makes it possible to rotate the entire work-performing structural unit together or to rotate the horizontal longitudinal axis of the central tool holder 1 at the desired angle.

Der mittlere Werkzeughalter 1, die intermediären Werkzeughalter 2 und 3 sowie die äußeren Werkzeughalter 4 und 5 sind im wesentlichen als aus Profilstahl, Stahlplatten gefertigte Tragrahmen 36, 45 ausgebildet. An die Tragrahmen 36, 45 sind Schlittenhalter 44, 49 angeschlossen, an welchen Antriebsorgane 13 für mit Bohrköpfen und/oder Gewinnungsköpfen versehene Abbauwerkzeuge 12, ferner Leitungen, Befestigungsmittel und sonstige Betätigungsvorrichtungen angeordnet sind. Die Anzahl der Antriebsorgane 13 bzw. Abbauwerkzeuge 12, die auf den den Werkzeughaltern 1 bis 5 zugeordneten Schlittenhaltern 44, 49 verstellbar befestigt sind, kann prinzipiell beliebig sein.The middle tool holder 1, the intermediate tool holder 2 and 3 and the outer tool holder 4 and 5 are essentially designed as support frames 36, 45 made of section steel, steel plates. Carriage holders 44, 49 are connected to the support frames 36, 45, on which drive elements 13 for removal tools 12 provided with drilling heads and / or extraction heads, as well as lines, fastening means and other actuating devices are arranged. The number of drive elements 13 or removal tools 12, which are adjustably fastened on the slide holders 44, 49 assigned to the tool holders 1 to 5, can in principle be arbitrary.

Aus Figur 2 ist ersichtlich, daß die arbeitsleistende Konstruktionseinheit über das Tragkonstruktionsanschlußorgan 11 an der aus hydraulischen Arbeitszylindern 14, 15 und 16 und hinteren Tragbalken 74 bestehenden prismenförmigen Tragkonstruktion 75 befestigt ist. An der hinteren Fläche des Gehäuses des Tragkonstruktionsanschlußorgans 11 sind Augen 17 und Bolzen angeordnet, an die die einen Enden der oberen und unteren Arbeitszylinder 16 gelenkig angeschlossen sind, wodurch die eine Seite der Tragkonstruktion 75 eigentlich von dem Tragkonstruktionsanschlußorgan 11 gebildet wird. Die dem Tragkonstruktionsanschlußorgan 11 entgegengesetzte Seite der Tragkonstruktion 75 wird von zwei - in Figur 2 senkrecht dargestellten - hinteren Tragbalken 74 gebildet, die oben mit einem in der Figur nicht sichtbaren Balken miteinander verbunden und unten an einen Schlitten 18 gelenkig angeschlossen sind. Die anderen Enden der oberen und unteren Arbeitszylinder 16 sind an die oberen bzw. unteren Enden der senkrecht gezeichneten hinteren Tragbalken 74 angeschlossen. An beiden Seiten der Tragkonstruktion 75 befindet sich jeweils ein Paar Arbeitszylinder 14 und 15. Im Falle der Anordnung, bei der die Arbeitszylinder 14 und 15, wie aus Figur 2 ersichtlich, an die Augen 17 (Stifte) und den Schlitten 18 bzw. an den Schlitten 18 und die oberen Enden der in senkrechter Position dargestellten hinteren Tragbalken 74 angeschlossen sind, kann das Tragkonstruktionsanschlußorgan 11 zusammen mit der an es angeschlossenen arbeitsleistenden Konstruktionseinheit in einem von den Abmessungen der Arbeitszylindern 16 und den hinteren Tragbalken 74 abhängigen Maße gehoben und gesenkt, ferner in der der Ebene der Zeichnung entsprechenden Ebene z.B. zwecks Abbohren von Gesteinsankerbohrlöchern verdreht werden. Beim Verdrehen wird auch die Länge der Arbeitszylinder 16 verändert. Der Schlitten 18 ist auf dem Drehschemel 19 angeordnet, an dessen Führungsfläche 20 der Schlitten 18 mittels Arbeitszylinder 21 in Längsrichtung des Liegenden 22 verschiebbar ist. Die Bewegbarkeit des Schlittens 18 in Längsrichtung, dessen Verdrehbarkeit an dem Drehschemel 19, die Hebbarkeit und Senkbarkeit des Tragkonstruktionsanschlußorgans 11, dessen Verdrehbarkeit in der Zeichnungsebene sowie die Verdrehbarkeit des Werkzeughalters 1 mittels des Tragkonstruktionsanschlußorgans 11 ermöglichen die in beliebige Lage und Richtung erfolgende Einstellung der Abbauwerkzeuge 12 innerhalb des Arbeitsraumes.From Figure 2 it can be seen that the construction unit performing the work is fastened via the supporting structure connecting member 11 to the prismatic supporting structure 75 consisting of hydraulic working cylinders 14, 15 and 16 and rear supporting beams 74. Eyes 17 and bolts are arranged on the rear surface of the housing of the supporting structure connecting element 11, to which the one ends of the upper and lower working cylinders 16 are articulated, whereby one side of the supporting structure 75 is actually formed by the supporting structure connecting element 11. The side of the support structure 75 opposite the support structure connecting element 11 is formed by two rear support beams 74 - shown vertically in FIG. 2 - which are connected to one another at the top by a beam which is not visible in the figure and are articulated at the bottom to a slide 18. The other ends of the upper and lower working cylinders 16 are connected to the upper and lower ends of the vertically drawn rear support beams 74. On both sides of the support structure 75 there is a pair of working cylinders 14 and 15. In the case of the arrangement in which the working cylinders 14 and 15, as can be seen in FIG. 2, on the eyes 17 (pins) and the carriage 18 or on the Carriage 18 and the upper ends of the rear support beam 74 shown in the vertical position are connected, the support structure connecting member 11 together with the to it connected work-performing construction unit to a degree dependent on the dimensions of the working cylinders 16 and the rear support beams 74 raised and lowered, furthermore in the plane corresponding to the plane of the drawing, for example for the purpose of drilling rock bolt drill holes. When turning, the length of the working cylinder 16 is also changed. The carriage 18 is arranged on the turntable 19, on the guide surface 20 of which the carriage 18 can be displaced in the longitudinal direction of the lying surface 22 by means of the working cylinder 21. The movability of the slide 18 in the longitudinal direction, its rotatability on the turntable 19, the elevation and lowerability of the supporting structure connecting element 11, its rotatability in the plane of the drawing and the rotatability of the tool holder 1 by means of the supporting structure connecting element 11 enable the removal tools 12 to be set in any position and direction inside the work space.

Bei der in Figur 2 dargestellten Ausführungsform ist die Führungsfläche 20 auf einem Raupenschlepper 23 montiert. Zwischen den Raupen des Schleppers 23 ist eine an sich bekannte Fördervorrichtung und vor dieser eine an sich ebenfalls bekannte Ladevorrichtung 24 angeordnet.In the embodiment shown in Figure 2, the guide surface 20 is mounted on a crawler tractor 23. Between the caterpillars of the tractor 23 there is arranged a conveyor device known per se and in front of this a loading device 24 also known per se.

Während die in Figur 2 dargestellte Bohr- und Gewinnungsanlage auf dem auf dem Liegenden 22 verfahrbaren Schlepper 23 angebracht ist, ist die Anlage bei der in Figur 3 dargestellten Anordnung auf zwei an dem Hangenden 25 befestigten parallelen Hängeschienen 26 aufgehängt.While the drilling and extraction system shown in FIG. 2 is mounted on the tractor 23 that can be moved on the lying end 22, the system in the arrangement shown in FIG. 3 is suspended on two parallel hanging rails 26 attached to the hanging end 25.

Die Hängeschienen 26 können dem Gewinnungsfortschritt entsprechend im voraus verlängert werden. An den Hängeschienen 26 ist ein entsprechend ausgebildeter, gleitbarer und aus in ihren eingestellten Lagen arretierbaren Hülsen bestehender Schlitten 27 angeordnet, der die der Tragkonstruktion 75 entsprechend angeordneten Arbeitszylinder 16 und die hinteren Tragbalken 74 sowie die Arbeitszylinder 14 und 15 und das Tragkonstruktionsanschlußorgan 11 im wesentlichen in gleicher Weise trägt, wie der Schlitten 18 bei der Anordnung gemäß Figur 2.The hanging rails 26 can be extended in advance in accordance with the progress of the extraction. On the hanging rails 26, a correspondingly designed, slidable and consisting of sleeves lockable in their set positions existing slide 27 is arranged, which arranged the support structure 75 correspondingly arranged working cylinder 16 and the rear support beams 74 and the working cylinders 14 and 15 and the supporting structure connecting member 11 substantially same Way carries the carriage 18 in the arrangement according to FIG. 2.

Wie aus Figur 3 ersichtlich, sind die in den Werkzeughaltern 1 bis 5 durch die Einsatzelemente 124 hindurchgeführten und mittels der Mitnehmerorgane 76 nach vorne und hinten verschiebbaren Abbauwerkzeuge 12 und Antriebsorgane 13 untereinander in mehreren Etagen angeordnet. Die als Tragrahmen 36, 45 ausgebildeten Werkzeughalter sind immer abhängig von der Anzahl der Antriebsorgane 13 ausgeführt, d.h. die Ausführung der Werkzeughalter ändert sich abhängig davon, ob an den Tragrahmen 36, 45 durch unmittelbares Tragen der Schlittenträger 44 49 mehr oder weniger Antriebsorgane 13 angeordnet sind. Die Anlage wird mit Befestigungsdornen 126 an der Abbaufront stabilisiert.As can be seen from FIG. 3, the removal tools 12 and drive members 13, which are guided in the tool holders 1 to 5 through the insert elements 124 and can be moved forwards and backwards by means of the driver members 76, are arranged one below the other on several floors. The tool holders designed as support frames 36, 45 are always designed depending on the number of drive elements 13, i.e. the design of the tool holder changes depending on whether more or fewer drive members 13 are arranged on the support frames 36, 45 by directly carrying the slide carriers 44 49. The system is stabilized at the dismantling front with fastening mandrels 126.

In der Mitte des Gehäuses des Tragkonstruktionsanschlußorgans 11 ist eine Bohrung vorhanden, durch welche elektrische Energie und/oder Hochdruckflüssigkeit zuführende Speiseleitungen hindurchgeführt sind. Die Speiseleitungen 28 liefern die Energie durch einen geeigneten Verteiler für den Antrieb der Abbauwerkzeuge 12 sowie für die Betätigung der Zug-, Arretier- und Fördervorrichtungen der Anlage.In the middle of the housing of the support structure connecting member 11 there is a bore through which feed lines supplying electrical energy and / or high-pressure liquid are passed. The feed lines 28 supply the energy through a suitable distributor for driving the removal tools 12 and for actuating the pulling, locking and conveying devices of the installation.

Im Inneren des Gehäuses des Tragkonstruktionsanschlußorgans 11 ist eine Ringnut 29 ausgebildet, in die der Flansch 30 des hinteren Endes des mittleren Werkzeughalters 1 hineinpaßt. Der Flansch 30 wird während des Verdrehens des Werkzeughalters 1 um die Längsachse von der Ringnut 29 gehalten und geführt. Aus der hinteren Fläche des Flansches 30 ragt ein Kreisring 31 heraus, an dessen Innenfläche ein Zahnkranz vorhanden ist. Die Zähne des Zahnkranzes sind mit den Zähnen des mithilfe des auf dem Gehäuse des Tragkonstruktionsanschlußorgans 11 befestigten Motors 32 drehbaren kleinen Zahnrades 33 kontinuierlich verzahnt, so daß der Kreisring 31 und damit zusammen der mittlere Werkzeughalter 1 sowie die aus Figur 1 ersichtlichen Werkzeughalter 1 bis 5 verdreht werden, wenn sich das Zahnrad 33 dreht.An annular groove 29 is formed in the interior of the housing of the supporting structure connecting element 11, into which the flange 30 of the rear end of the central tool holder 1 fits. The flange 30 is held and guided by the annular groove 29 around the longitudinal axis during the rotation of the tool holder 1. A circular ring 31 protrudes from the rear surface of the flange 30, on the inner surface of which there is a ring gear. The teeth of the ring gear are continuously toothed with the teeth of the small toothed wheel 33 which can be rotated by means of the motor 32 fastened on the housing of the supporting structure connecting element 11, so that the circular ring 31 and thus together the middle tool holder 1 and the tool holders 1 to 5 shown in FIG. 1 are rotated when the gear 33 rotates.

Figur 4 zeigt die in Figur 1 dargestellte arbeitsleistende Konstruktionseinheit der erfindungsgemäßen Bohr- und Gewinnungsanlage in Vorderansicht, von der Abbaufront 80 her gesehen. Bei dieser Ausführungsform ist der mittlere Werkzeughalter 1 zum Tragen und Betätigen von fünf Abbauwerkzeugen 12 eingestellt, die an den mit Kreisen markierten Stellen angeordnet sind. Die intermediären Werkzeughalter 2 und 3 sind mit den Seiten des Werkzeughalters 1 in der aus der Figur ersichtlichen Weise mittels in Ansicht einander kreuzenden Arbeitszylinder 10 sowie mittels der in der Zeichnung oberen und unteren Gelenkvorrichtungen 6, ferner, hinter den Gelenkvorrichtungen 6, mittels der bei dem dem Tragkonstruktionsanschlußorgan 11 zugewandten Ende des mittleren Werkzeughalters befindlichen Gelenkvorrichtungen 7 gegeneinander verdrehbar verbunden. In den Werkzeughaltern 2 und 3 sind jeweils zwei Reihen von Abbauwerkzeugen 12 untereinander angeordnet. Zwischen diesen (in Figur 4 horizontal dargestellten) Reihen ist ein freier Raum 34 von einstellbarer Höhe vorhanden.FIG. 4 shows the work-performing construction unit of the drilling and extraction system according to the invention shown in FIG. 1 in a front view, seen from the dismantling front 80. In this embodiment, the middle tool holder 1 is set for carrying and actuating five removal tools 12, which are arranged at the points marked with circles. The intermediate tool holder 2 and 3 are with the sides of the tool holder 1 in the manner shown in the figure by means of working cylinders 10 crossing each other in view and by means of the upper and lower joint devices 6 in the drawing, further, behind the joint devices 6, by means of which in the the support structure connecting element 11 facing end of the middle tool holder located articulation devices 7 rotatably connected to each other. Two rows of removal tools 12 are arranged one below the other in the tool holders 2 and 3. Between these rows (shown horizontally in FIG. 4) there is a free space 34 of adjustable height.

Die Werkzeughalter 2 und 3 sind mit den äußeren Werkzeughaltern 4 bzw. 5, ähnlich wie oben dargelegt, mittels Arbeitszylinder 10 bzw. Gelenkvorrichtungen 8 und 9 verdrehbar verbunden. Das Verdrehen kann mit entsprechendem Betätigen der in einem Paar befindlichen Arbeitszylinder 10 durchgeführt werden. In den Werkzeughaltern 4 und 5 sind die Abbauwerkzeuge 12 in vier untereinander befindlichen Stellen bzw. Reihen angeordnet. Aus der Figur ist ersichtlich, daß die erfindungsgemäße Anlage den jeweiligen Bohr- und Gewinnungsansprüchen entsprechend in vielen Ausführungsformen bzw. Versionen gebaut werden kann.The tool holders 2 and 3 are rotatably connected to the outer tool holders 4 and 5, similarly as set out above, by means of working cylinders 10 or joint devices 8 and 9. The twisting can be carried out with a corresponding actuation of the working cylinders 10 located in a pair. In the tool holders 4 and 5, the removal tools 12 are arranged in four positions or rows one below the other. From the figure it can be seen that the system according to the invention can be built in many embodiments or versions in accordance with the respective drilling and extraction requirements.

Die an die Werkzeughalter 2 und 3 bzw. Werkzeughalter 4 und 5 angeschlossenen Anschlußgelenken der Enden der Arbeitszylinder 10 fallen in Figur 4 mit den Gelenkvorrichtungen 6 bzw. 8 zusammen, jedoch sind diese in Wirklichkeit voneinander entfernt, wie dies aus Figur 1 ersichtlich ist.The connecting joints of the ends of the working cylinders 10 connected to the tool holders 2 and 3 or tool holders 4 and 5 coincide in FIG. 4 with the articulated devices 6 and 8, however, these are actually separated from one another, as can be seen from FIG.

Die in den Werkzeughaltern 2 und 3 befindlichen, die Reihen der Abbauwerkzeuge 12 tragenden gesonderten Tragrahmen 36, 45 sind mithife von jeweils vier, die in Figur 4 mit strichpunktierter Linie gezeichnete Lage aufweisenden Arbeitszylinder 35 übereinander gehalten. Die Reihen der in den äußeren Werkzeughaltern 4 und 5 befindlichen Abbauwerkzeuge 12 sind von jeweils zwei Arbeitszylindern 35 übereinander gehalten. Die Entfernung der Reihen, d.h. die Höhe der freien Räumen 34, kann mithilfe der zu den Werkzeughaltern 1 gehörenden Arbeitszylinder 35 eingestellt werden.Located in the tool holders 2 and 3, the rows of Removal tools 12 carrying separate support frames 36, 45 are held one above the other by means of four working cylinders 35 which have the position shown in FIG. 4 with dash-dotted lines. The rows of the removal tools 12 located in the outer tool holders 4 and 5 are held one above the other by two working cylinders 35. The distance between the rows, ie the height of the free spaces 34, can be adjusted using the working cylinders 35 belonging to the tool holders 1.

Figur 5 stellt ein Ausführungsbeispiel des den konventionellen Bohr- oder Gewinnungskopf des Abbauwerkzeuges 12 ersetzenden kombinierten Bohr- und Gewinnungskopfes 77 bzw. die Verbindung dieses Bohr- und Gewinnungkopfes 77 mit dem als Tragrahmen 45 ausgebildeten Werkzeughalter in Seitenansicht, teilweise im Schnitt dar. Im Falle der Anwendung solcher kombinierter Bohr- und Gewinnungsköpfe 77 sind die Bohr- 78 bzw. Gewinnungsköpfe 79 der sowohl der Bohr- als auch der Gewinnungstätigkeit dienenden Abbauwerkzeuge 12 gemeinsam entlang der der Abbaufront 80 zugewandten Seiten der Tragrahmen 36, 45 angeordnet. Die Bohrköpfe 78 sind, wie aus dem Ausführungsbeispiel ersichtlich, mit Antriebskanten 81 versehen, während die konischen spiralkantigen Gewinnungsköpfe 79 mit Schneidmessern 82 versehen sind. Die Bohrköpfe 78 sind an der durch das Innere des Gewinnungkopfes 79 koaxial und gelagert hindurchgeführten Welle des Abbauwerkzeuges 12 angeschlossen, während die Gewinnungsköpfe 79 an die Tragrahmen 36, 45 mittels der mit Bolzenaugen 83 versehenen, als Kegelstumpf endenden hohlen Bolzenelementen 84 derart angeschlossen sind, daß die Gewinnungsköpfe 79 mit dem Betätigen der Kolben 86 der an den Tragrahmen befestigten Arbeitszylinder 85 entlang der Achslinie der Abbauwerkzeuge 12 vorwärts und rückwärts mitnehmbar sind.Figure 5 shows an embodiment of the conventional drilling or extraction head of the mining tool 12 replacing combined drilling and extraction head 77 or the connection of this drilling and extraction head 77 with the tool holder designed as a support frame 45 in side view, partially in section. In the case of Using such combined drilling and extraction heads 77, the drilling 78 or extraction heads 79 of the mining tools 12, which serve both the drilling and extraction activities, are arranged together along the sides of the support frames 36, 45 facing the mining front 80. As can be seen from the exemplary embodiment, the drill heads 78 are provided with drive edges 81, while the conical spiral-edged extraction heads 79 are provided with cutting blades 82. The drilling heads 78 are connected to the shaft of the mining tool 12, which is coaxial and supported through the inside of the extraction head 79, while the extraction heads 79 are connected to the support frames 36, 45 by means of the hollow bolt elements 84 provided with bolt eyes 83 and ending as a truncated cone in such a way that the extraction heads 79 can be carried forward and backward with the actuation of the pistons 86 of the working cylinders 85 fastened to the support frame along the axis line of the removal tools 12.

Die Innenzylinderfläche der Gewinnungsköpfe 79 ist mit einem rillenartigen Gewinnungskopf-Zahnkranz 87 versehen.The inner cylindrical surface of the extraction heads 79 is provided with a groove-like extraction head ring gear 87.

An den Gewinnungskopf 79 und das hohle Bolzenelement 84 sind zwecks wirtschaflicher Lösung des aus der Abnutzung resultierenden Ersatzteilwechsels und zwecks Bohrlochabschließens, das bei der durch die Bohrungen der Abbauwerkzeuge 12 erfolgenden Sprengstoffeinfüllung in die Bohrlöcher 88 erforderlich ist, mit äußeren 89 und inneren 90 Zahnkränzen bzw. Kanten versehene gewinnungskopfantreibende Steckeinlagen 91 angeschlossen.To the extraction head 79 and the hollow bolt element 84 In order to economically solve the replacement of spare parts resulting from wear and to close the borehole, which is required in the case of explosives being filled into the boreholes 88 through the bores of the removal tools 12, plug-in insert driving inserts 91 provided with outer 89 and inner 90 toothed rings or edges are connected.

Die gewinnungskopfantreibenden Steckeinlagen 91 dienen gleichzeitig dem Tragen und Ausrichten der Abbauwerkzeuge 12.The plug inserts 91 which drive the extraction head simultaneously serve to carry and align the removal tools 12.

Die gewinnungskopfantreibenden Steckeinlagen 91 sind in Längsrichtung der Abbauwerkzeuge 12 vorwärts und rückwärts mitnehmbar, weil die gewinnungskopfantreibenden Steckeinlagen 91 bei dem Ausführungsbeispiel durch Ausführung der der Abbaufront 80 gegenüberliegenden Enden der Steckeinlagen 91 als Kolben 92 sowie durch Versehen der hohlen Bolzenelemente 84 mit Dichtungsringen 93 und Energieleitungsanschlüssen 94 als Arbeitszylinder ausgebildet sind.The plug-in inserts 91 driving the extraction head can be carried forward and backward in the longitudinal direction of the removal tools 12, because the plug-in inserts 91 driving the extraction head in the exemplary embodiment by designing the ends of the plug-in inserts 91 opposite the removal front 80 as pistons 92 and by providing the hollow bolt elements 84 with sealing rings 93 and power line connections 94 are designed as working cylinders.

Der Antrieb der Gewinnungsköpfe 79 wird durch das Mitnehmen der Antriebskanten 81 von dem sich an diese formschlüssig anschließenden Innenzahnkranz 90 sowie durch das Betätigen der Antriebsorgane 13 der Abbauwerkzeuge 9, 12 erreicht.The extraction heads 79 are driven by taking the drive edges 81 with them from the internal toothed ring 90 which positively adjoins them and by actuating the drive elements 13 of the removal tools 9, 12.

Die gewinnungskopfantreibende Steckeinlagen 91 können auch unmittelbar zum Antreiben der Gewinnungsköpfe 79 verwendet werden, falls deren der Abbaufront 80 gegenüberliegenden Enden mit den Antriebsorganen 13 unmittelbar verbunden werden.The extraction head driving plug inserts 91 can also be used directly to drive the extraction heads 79 if their ends opposite the extraction front 80 are directly connected to the drive elements 13.

Diese Ausführungsform kann bei der Gewinnung von harten Gesteinen mit hohem Gewinnungswiderstand angewendet werden, wobei diese Ausführungsform die Übertragung eines größeren Drehmomentes auf die Gewinnungsköpfe 79 ermöglicht, ohne daß eine Verformung der Abbauwerkzeuge 12 infolge einer Torsion derselben auftritt.This embodiment can be used in the extraction of hard rock with high extraction resistance, this embodiment allowing greater torque to be transmitted to the extraction heads 79 without deformation of the mining tools 12 due to torsion thereof.

Figur 6 zeigt die Bohr- und Gewinnungsanlage für den Bergbau in einer in die vertikale Lage gedrehten Teilabbildung in einer Ausführungsform, bei der das Tragkonstruktionsanschlußorgan 11 über Gleitaugen 95 schleppbarer Ausführungsform an die Arbeitszylinder 14, 15 und 16 angeschlossen sind. Diese Ausführungsform kann wegen der vorteilhafter durchführbaren Verdrehung der Anlage aus der horizontalen in die vertikale Lage (z.B. zwecks Anfertigung von Gesteinsankerbohrlöchern) erforderlich sein.Figure 6 shows the drilling and extraction system for mining in a rotated into the vertical position part of an embodiment in which the supporting structure connecting element 11 are connected to the working cylinders 14, 15 and 16 via sliding eyes 95 which can be towed. This embodiment may be necessary because of the advantageous rotation of the system that can be carried out from the horizontal to the vertical position (for example for the purpose of making rock bolt drill holes).

An dem der Bewegungsrichtung der Abbauwerkzeuge 12 entgegengesetzten Ende des Tragkonstruktionsanschlußorgans 11 der Anlage, d.h. an dessen Boden, ist ein Rillenpaar 96 ausgebildet. Ferner sind an die unteren und oberen Bodenteile Arbeitszylinder 97 angeschlossen, die zum Arretieren und Lösen der Gleitaugen 95 geeignet sind. An das an dem oberen Bodenteil angeordnete Gleitaugenpaar 95 sind (über die in diesem Gleitaugenpaar 95 ausgebildeten Bohrungen 98 und die an diesen befestigte Arbeitszylinder 99) die (zur Aufnahme der Kolbenstangen 102 der Arbeitszylinder 99 dienenden) mit Rillen versehenen Bolzen 103 der Kolben der Arbeitszylinder 101 angeschlossen, die entlang des sich an den als Tragrahmen 36 ausgebildeten Werkzeughalter anschließenden augeführenden Elementenpaars 100 angeordnet sind. Aus der Figur ist ersichtlich, daß das Anschließen des an dem unteren Bodenteil angeordneten Gleitaugenpaares 95 an die Arbeitszylinder 101 nur erfolgen kann, wenn der Werkzeughalter zusammen mit dem an diesem befestigten augeführenden Elementenpaar 100 in eine das Anschließen ermöglichende Lage gedreht wird.At the end of the supporting structure connecting element 11 of the system opposite the direction of movement of the removal tools 12, i.e. a pair of grooves 96 is formed at the bottom thereof. Furthermore, working cylinders 97, which are suitable for locking and releasing the sliding eyes 95, are connected to the lower and upper base parts. On the pair of sliding eyes 95 arranged on the upper base part (via the bores 98 formed in this pair of sliding eyes 95 and the working cylinders 99 fastened to them) are the grooved bolts 103 of the pistons of the working cylinders 101 (which serve to receive the piston rods 102 of the working cylinders 99) connected, which are arranged along the leading pair of elements 100 which adjoin the tool holder designed as a support frame 36. From the figure it can be seen that the pair of sliding eyes 95 arranged on the lower bottom part can only be connected to the working cylinder 101 if the tool holder is rotated together with the pair of leading elements 100 attached to it into a position enabling the connection.

Figur 7 zeigt in perspektivischer Darstellung eine solche Ausführungsform der Bohr- und Gewinnungsanlage für den Bergbau, bei der an die von dem Schlittenwagen 27 mitgenommenen Tragkonstruktion 75, der in der an dem Hangenden 25 einer Grubenstrecke montierten Hängeschiene 26 verfahrbar ist, mittels eines Tragkonstruktionsanschlußorgans 11 ein solcher Werkzeughalter angeschlossen ist, der aus einem Rahmensystem 104 besteht, das durch das Zusammenschließen von Arbeitszylindern 105 und Tragorgane 106 ausgebildet ist. Dies ermöglicht die Einstellung sowohl des Abstandes zwischen den Abbauwerkzeugen 12 als auch von deren Mitnahmerichtungen. An jeden der in Längsrichtung befindlichen Bestandteile, d.h. Tragorganen 106, des Rahmensystems 104 sind jeweils gesonderte Mitnehmer- und Antriebsorgane 13 angeordnet.FIG. 7 shows a perspective view of such an embodiment of the drilling and extraction system for mining, in which a support structure connecting element 11 is used to support the structure 75 carried by the carriage 27, which can be moved in the hanging rail 26 mounted on the hanging wall 25 of a pit section such tool holder is connected, which consists of a frame system 104, which is formed by the joining of working cylinders 105 and support members 106. This enables the setting of both the distance between the removal tools 12 and their directions of travel. Separate driver and drive elements 13 are arranged on each of the components located in the longitudinal direction, ie support elements 106, of the frame system 104.

Claims (6)

  1. Drilling and mining installation for the mining industry, comprising: a preferably mobile carriage; a supporting structure (75) mounted on the carriage and preferably consisting of working cylinders ((14, 15, 16) and/or supporting arms (74); and a working structure unit attached to the supporting structure (75) through a supporting structure coupling assembly (11) which may be provided with a rotary drive, a plurality of mining tools (12) being received in a tool chuck on the working structure unit and arranged parallel to each other and associated with supporting, coupling and driving means (36, 45; 76; 13), characterised in that the working structure unit comprises several tool chucks (1, 2, 3, 4, 5) coupled to each other, in each of which several mining tools (12) are received parallel to each other, the driving means (13) associated with the mining tools (12) being equally suitable for coupling a drilling head and a mining head, and the adjacent tool chucks (1, 2, 3, 4, 5) being linked to each other through working cylinders (10), preferably arranged in pairs, allowing mutual displacement.
  2. Drilling and mining installation according to claim 1, characterised in that the tool chucks (1, 2, 3, 4, 5) are made in the form of multi-stage supporting frames (36, 45) assembled from one or several rigid and/or articulated elements.
  3. Drilling and mining installation according to claim 2, characterised in that working cylinders (35) for varying the distance between the stages are mounted in predetermined supporting frames.
  4. Drilling and mining installation according to claim 2 or 3, characterised in that driving means carriers in the form of slidable saddle chucks are mounted on the tool chucks (1, 2, 3, 4, 5) arranged in the form of supporting frames (36, 45).
  5. Drilling and mining installation according to any of claims 1 to 4, characterised in that the installation comprises interchangeable drilling heads and mining heads.
  6. Drilling and mining installation according to any of claims 1 to 4, characterised in that the mining tools (12) are provided with separately and also commonly actuable combined drilling and mining heads (77); that the drilling head (78) shaft coupled to the driving means (13) coaxially penetrates, and is borne in, the conical mining head (79) provided with cutting blades (82), the narrower end of the conical mining head (79) comprising a recess for positively receiving the drilling head (78) for rotation therewith.
EP87905960A 1987-09-08 1987-09-08 Drilling and winning installation for mining Expired - Lifetime EP0333712B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87905960T ATE107736T1 (en) 1987-09-08 1987-09-08 DRILLING RIG FOR MINING.

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Application Number Priority Date Filing Date Title
PCT/HU1987/000037 WO1989002513A1 (en) 1987-09-08 1987-09-08 Drilling and winning installation for mining

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EP0333712A1 EP0333712A1 (en) 1989-09-27
EP0333712B1 true EP0333712B1 (en) 1994-06-22

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Publication number Priority date Publication date Assignee Title
ES2079990B1 (en) * 1991-07-11 1996-08-01 Ingemas S A MULTI-PURPOSE MACHINE FOR MINING AND SIMILAR WORKS.
WO2000060211A1 (en) * 1999-04-07 2000-10-12 Byron Percy Christos A drill rig for use in an underground mine
ITUB20159252A1 (en) * 2015-12-28 2017-06-28 Termigas S P A Apparatus and method for drilling holes for mounting equipment elements on tunnel walls
RU200611U1 (en) * 2019-05-24 2020-11-02 Ооо "Корум Груп" DRILLING MACHINE MANIPULATOR

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DE3729056A1 (en) * 1987-08-31 1989-03-09 Metzeler Gmbh METHOD FOR PRODUCING A MOLDED HOSE BRANCHING FROM RUBBER AND BRANCHING PRODUCED BY THIS METHOD

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DE2017738B2 (en) * 1970-04-14 1974-07-25 Maschinenfabrik Moenninghoff, 4630 Bochum Drill platform with drilling devices and methods for setting up and aligning the drill platform and the drilling devices
DE2018778A1 (en) * 1970-04-18 1971-12-30
DE2019039C3 (en) * 1970-04-21 1975-03-20 Maschinenfabrik Moenninghoff, 4630 Bochum Drilling device that can be moved on overhead monorail rails for drilling the blast holes when driving a line in underground mining
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US3813126A (en) * 1972-10-02 1974-05-28 Bendix Corp Continuously operable underground mining vehicle
DE2437669C3 (en) * 1974-08-05 1978-04-27 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Driving device for driving tunnels, galleries and routes
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DE3729056A1 (en) * 1987-08-31 1989-03-09 Metzeler Gmbh METHOD FOR PRODUCING A MOLDED HOSE BRANCHING FROM RUBBER AND BRANCHING PRODUCED BY THIS METHOD

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WO1989002513A1 (en) 1989-03-23
EP0333712A1 (en) 1989-09-27

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