• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a road-boring machine comprising a chassis comprising a chassis (2) and a horizontally and vertically pivotable boom (4) which is provided with a cutting device (8), the at least one rotatably mounted on the boom (4) and driven for rotation Tool carrier (10, 11) which carries at its periphery a plurality of cutting tools (12), the cutting device (8) at least two mutually parallel disc-shaped tool carrier (10, 11) which at one between the tool carriers (10, 11) arranged, at least partially disc-shaped end portion (13) of the cantilever arm (4) are rotatably mounted.
    公开号:AT510657A1
    申请号:T18262010
    申请日:2010-11-05
    公开日:2012-05-15
    发明作者:Manfred Dipl Ing Meier；Franz Ing Wels；Karl Dipl Ing Lerchbaum；Uwe Mag Restner；Bernhard Dipl Ing Ebner；Hubert Dipl Ing Kargl；Ralf Dipl Ing Grief
    申请人:Sandvik Mining & Constr Oy；
    IPC主号:
    专利说明:

    * * 1 -
    The invention relates to a track boring machine comprising a base frame comprising a chassis and a cantilever arm pivotable in the horizontal and in the vertical direction, which is provided with a cutting device which has at least one tool carrier rotatably mounted on the cantilever arm and rotatable for rotation Wearing cutting tools.
    The invention further relates to a method for propelling a route underground using a Streckenvortriebsmaschine.
    Jacking machines of the type mentioned are known as Teilschnittschrämmaschinen and in at least two different types commonly used, in both cases, a boom is set on all sides pivotally mounted on a machine frame. In a first type, cutting rollers or cutting heads are rotatably mounted transversely to the longitudinal axis of the cantilever arm on a cantilever arm, which are guided transversely to its axis of rotation in the vertical direction over the working face and are used in this way for the degradation or recovery of materials. Such cross-cutting heads are characterized as well as cutting rollers essentially by the fact that the bit wear can be optimized by appropriate positioning and adjustment of the angle relative to the direction of rotation, which when working with such Teilschnittschrämmaschinen first Einbrechschrämvorgang is required, in which the cutting heads in the direction of the axis of the Auslegerarms must be stabbed into the working face to auszuschrämen a burglary, from which then the working face can be swept over. • * * · »··« ·· * # * * * · «« * a ··· I Ψ «Ml • · l 4 | • I * I * * * * * t I ** «* * · ·« - 2 -
    In a second type so-called longitudinal cutting heads are used which have an axis of rotation which is substantially parallel to the axis of the cantilever arm or aligned with the axis of the cantilever arm. Even with such longitudinal cutting heads Einbruchschrämen is required before the actual mining operation, in which case the longitudinal cutting heads must work in the direction of its axis of rotation in the working face to ensure a corresponding burglary, starting from then the pivoting of the boom with the rotating longitudinal cutting head on the working face takes place and the degradation can be made.
    A disadvantage of the types described is that they are not suitable for use at low line height due to their relatively large height. Without special adaptations, the types described can not be used for the mining of very hard rock. For use in particularly hard rock special types have become known in which, for example, disc tools are provided, which operate on the undercut principle. Such a machine can be found, for example, in AT 506502 A2. This machine has a rotatably mounted on a pivotable in the vertical direction cantilever arm mounted cutting wheel, wherein the axis of rotation of the cutting wheel is transverse to the longitudinal axis and the pivot axis of the cantilever arm. The cutting wheel comprises a disc-like tool carrier having a plurality of disc tools, a majority of which is oriented towards the sole. During the cutting process, a break-in at the ridge is made first, whereupon the boom with the cutting wheel cuts down to the sole according to the undercutting principle. : 3
    WO 2010/050872 A1 likewise describes a tunneling machine with a cutting wheel which carries disc tools at its circumference. The cutting wheel is rotatably mounted on a cantilever arm, which is pivotable both in the vertical direction and in the horizontal direction. In a first embodiment, the axis of rotation of the cutting wheel extends in the horizontal direction and in a second embodiment in a substantially vertical direction.
    The invention now aims to provide a track jacking machine for hard rock use, which is suitable for low profile sections and can be cut with the differently shaped profiles, in particular different widths and different high profiles without requiring an adaptation of the machine. The invention further aims to increase the cutting performance in hard rock.
    To achieve this object, the track driving machine of the aforementioned type according to the invention substantially further developed such that the cutting device has at least two mutually parallel disc-shaped tool carrier, which are rotatably mounted on a arranged between the tool carriers, at least partially disc-shaped end portion of the boom.
    Since the tool carriers are now disc-shaped, the requirement of the low overall height of the section boring machine can be taken into account in a simple manner. The fact that now at least two mutually parallel disc-shaped tool carrier are provided, the cutting performance is improved and at the same time a joint storage of the two tool carriers at a zwi II "« * ····· * · «« «··· * ·· * «* · *« * «*« ** * * * * * * * * * * * * * * «« * * * * * * * * *** - 4 - see the tool carriers arranged, ensured at least partially disc-shaped end portion of the cantilever arm in a simple manner. In this case, the tool carriers are in this case mounted rotatably in particular exclusively on the said end region of the extension arm arranged between the tool carriers, and this is therefore a so-called flying bearing. From a flying storage is when the tool carrier is mounted only on one side, so an opposite second bearing is not available. This leads to a particularly flat construction. In addition, a storage of the tool carrier is avoided on the respective outer sides, so that, for example, a tool carrier encompassing frame or the like, which would be required for such storage, can be omitted. This not only saves space, but in particular the fact that the cutting tools can be effective with suitable positioning up to the edge of the cutting device.
    Characterized in that the cantilever arm is arranged pivotable both in the horizontal and in the vertical direction, the track boring machine according to the invention can be used for different widths and different high section profiles, without the need for a structural adaptation of the machine.
    The cantilever arm is preferably mounted on a slidably guided in the machine longitudinal direction relative to the base frame carriages, which made a break into the working face in a simple manner and then by pivoting the cantilever arm a depth of burglary corresponding rock layer can be removed. • * · • · t
    If, as this corresponds to a preferred development, the tool carriers are rotatably mounted about a perpendicular to the horizontal pivot axis of the cantilever arm and transverse to the machine longitudinal axis of rotation on the cantilever arm, the burglary takes place at the side impact of the track profile and then takes place laterally pivoting the cantilever arm according to the route profile width. This arrangement of the tool carrier leads to a very low machine height, so that the machine can also be used for low route profiles.
    The cutting tools are arranged on the two tool carriers in such a way that they intersect two grooves separated by a rock rib into the working face, the burglary depth being dependent on which diameter the bearing of the two tool carriers is offset compared to the cutting circle diameter. In order to be able to safely remove the remaining rock rib after a cutting process in which two grooves are cut corresponding to the cutting thickness of the individual tool carriers, a preferred embodiment provides that the cutting thickness of the individual disk-shaped tool carriers defined by the cutting tools is the same for both tool carriers is larger than the remaining between the two tool carriers rock fin. The cutting away of the remaining rock rib takes place here in that the cutting device is offset in a Nachschneidvorgang in the vertical direction used.
    Although the use of discs as cutting tools within the scope of the invention is conceivable in principle, it has been observed that the cutting performance always remains limited when using discs operating on the undercutting principle. In order to increase the cutting performance, in particular for hard rock, a preferred development therefore provides that the cutting tools comprise disc packs or rollers which are each rotatably mounted in a rigidly mounted on the tool carrier bearing, the disc packs or rollers at its periphery a plurality of preferably in the circumferential direction rows of arranged wear cutting inserts. Due to the fact that the rollers or disc packs have a plurality of rows of cutting inserts on their circumference, the undercutting principle is not used, but the cutting inserts formed in particular by cemented carbide inserts break the rock due to the cutting forces introduced substantially perpendicularly to the working face. The preferably provided disc packs or rolls, which carry a plurality of cutting inserts on their circumference, are also used, for example, in so-called raise borers, wherein in such cutting tools the cutting inserts or the rows of cutting inserts can be arranged so close to each other that result in extremely small cutting line distances between the individual cutting rings and thus a higher cutting performance can be achieved even with hard rock. For the rotatable mounting of the disc packs or rollers on the tool carrier, a bearing is required which has a corresponding space requirement, in particular in the axial direction of the tool carrier, so that the cutting inserts of the disc packs or rollers can not reach the edge of the tool carrier to effect and this in particular when rotation axes of the disc packs or rolls run parallel to the axis of rotation of the tool carriers. To remedy this situation, provides a preferred development that on the tool carriers each one
    • «* · · • · · · · * * * * * * * _ ** · · **
    A plurality of disc packs or rollers with parallel to the axis of rotation of the tool carrier extending axis of rotation and a plurality of disc packs or rolls are provided with the axis of rotation of the tool carrier inclined extending axis of rotation. The trained with inclined axis of rotation rollers or disc tools can be made obliquely outwards or inwards, so that the required free cut is given to the individual tool carriers. An optimized geometry can be achieved in this case in that the disk blocks or rollers having an inclined rotation axis have a frustoconical starting or enveloping surface.
    In order to be able to safely absorb the high cutting forces, a further preferred embodiment provides that the base frame has extendable punches against the ridges and the sole in order to clamp the road-boring machine within the track.
    According to a second aspect of the invention, there is provided a method for propelling a subterranean track with tunneling machines, characterized in that a cutting device rotatably mounted on a jib arm and rotatable for rotation with at least two disc-shaped tool carriers arranged parallel to each other at one between the tool carriers arranged, at least partially disc-shaped end portion of the cantilever arm are rotatably mounted, preferably at the lateral impact is applied to the working face, that by advancing the cantilever arm in the machine longitudinal direction a break is cut, that the cantilever arm is laterally pivoted in a first cutting operation, whereby two parallel, which are separated by a rock fin, whereupon the lay-out may be cut off, whereupon the lay-out is indicated. 0 _ * t * * 9 gerarm pivoted after pulling out of the cutting device of the cut grooves in the height direction and is set in a displaced for the first cutting operation in the height position position to the working face that by advancing the boom in the machine longitudinal direction a break is cut and that in a subsequent second cutting process by lateral Pivoting the cantilever arm two parallel grooves are cut, which are offset from the cut in the first cutting process parallel grooves such that the remaining in the first cutting process rock rib is cut away.
    The invention will be explained in more detail with reference to embodiments schematically illustrated in the drawing. 2 shows the cutting tools of the cutting device of the conveyor tunneling machine according to FIG. 1, FIG. 3 shows a detailed view of the cutting tools according to FIG. 2 and FIGS. 4a and 4b shows a representation of the dismantling method in one Top view of the range.
    In Fig. 1, a tunneling machine 1 is shown, which has a base frame 2 with a crawler chassis 3. The extension arm is denoted by 4 and is guided according to the double arrow 5 in the machine longitudinal direction displaceable on the base frame 2. The boom 4 is pivotally mounted about a vertical axis 6 by means of a horizontal pivoting mechanism, not shown. The front portion of the boom 4 is pivotally mounted about a horizontal axis 7 by means of a vertical pivoting mechanism, not shown. The cantilever arm 4 can in this way both in horizontal as
    * * * * * * T * * * M * · · can also be pivoted in the vertical direction relative to the base frame 2. On the boom 4, a cutting device 8 is rotatably mounted about a pivot axis 9, wherein a non-illustrated rotary drive drives the cutting device 8 for rotation about the axis 9. The cutting device 8 has two tool carriers 10 and 11, each having a plurality of cutting tools 12 at its periphery. The cutting tools 12 will be described in more detail with reference to Figures 3 and 4 in the sequence.
    In Fig. 1 it can be seen that the tool carrier 10 and 11 are disc-shaped, wherein an at least partially disc-shaped end 13 of the cantilever arm 4, the bearing of the tool carrier 10 and 11 has. The end section 13 of the extension arm 4 is arranged between the two tool carriers 10 and 11, so that a distance 14 remains between the tools 12 of the tool carriers 10 and 11. When cutting the rock, the cutting tools 12 attached to the tool carriers 10 and 11 thus produce two grooves extending parallel to one another, between which a rock rib remains in the region 14.
    In Fig. 1 it is further apparent that the base frame 2 of the tunneling machine 1, a loading device 15 is fixed, with which the removed rock is collected and transferred to a extending in the machine longitudinal direction discharge device. The tunneling machine 1 has at its rear end a projecting transfer conveyor 16, with which the mined rock is transferred to a trailing unit 17. The trailing unit 17 has its own crawler track 18 and serves, for example, to accommodate schematically
    From the rear end of the trailing unit 17, a discharge conveyor 19 projects, which conveys the excavated rock onto a track conveying device. HANDS. The trailing unit 17 further has a
    Loading table 20, with which mined rock, which was not recorded by the main loading device 15, can be detected.
    Due to the horizontal arrangement of the disc-shaped
    Tool carrier 10 and 11, a very low overall height of the tunneling machine 1 is achieved and it is particularly apparent that the height of the tunneling machine 1 is not more than 1.2 to 1.5 times the measured in the direction of the axis of rotation 9 extension of the cutting device 8 ,
    2 and 3 it can be seen that on the circumference of the tool carrier 10 and 11, a plurality of cutting tools 12 is arranged, wherein all cutting tools are formed by disc packets, at the periphery of a plurality of projecting cutting inserts 21 is arranged, and that the Cutting inserts are arranged in circumferentially extending parallel rows. The disc packets are rotatably mounted about an axis 27 and 28 in brackets 22, wherein cutting tools 12a are provided with the rotation axis 9 of the tool carrier 10 and 11 parallel rotation axis 27 and cutting tools 12b and 12c with inclined in different directions rotation axes 28. The cutting tools 12b are directed obliquely outwards, the cutting tools 12c are directed obliquely inwards, it being apparent in the detail illustration according to FIG. 4 that such an arrangement results in the cutting tools with their cutting inserts 21 over the entire height of the disk-shaped tool carriers 10 and 11 for the use of the • • · · «· · · · · · · · · · · ·« · · «·· ** · *
    + · · * * * * 2 2 2 2 2 2 2 2. The cutting tools 12a, 12b, 12c are arranged alternately with different orientation of their axis of rotation, so that it is avoided that two cutting tools 12, which have the same orientation of their 5 rotation axis are arranged directly behind one another.
    The mode of operation of the track-boring machine 1 according to the invention will now be explained in more detail with reference to FIGS. 4 a and 4 b. At the beginning of the cutting process (FIG. 4 a), a collapse is made on the lateral joint 23 of the section profile by advancing the extension arm in the direction of the arrow 24 in the direction of the working face, so that the cutting device 8 penetrates, for example, 50 cm deep into the working face 25. The maximum burglary depth is reached when the disc-shaped end portion 13 of the cantilever arm comes to rest on the rock rib formed in the region 14. Thereafter (FIG. 4b), the cutting device 8 is pivoted by pivoting the extension arm 9 in the direction of the arrow 26 over the working face, whereby two parallel grooves are formed in the rock. The process described is then repeated, but the cutting device 8 is applied to the application offset in the vertical direction 25, so that the remaining in the first cutting gear is removed.
    权利要求:
    Claims (9)
    [1]
    1. Track boring machine comprising a chassis comprising a base frame (2) and a horizontally and vertically pivotable boom arm (4) which is provided with a cutting device (8), the at least one rotatably mounted on the boom (4) and for rotation drivable tool carrier (10,11), which carries at its periphery a plurality of cutting tools (12), characterized in that the cutting device (8) has at least two mutually parallel disc - shaped tool carrier (10,11), which at one between the Tool carriers (10,11) arranged, at least partially disc-shaped end portion (13) of the cantilever arm (4) are rotatably mounted.
    [2]
    2. Track boring machine according to claim 1, characterized in that the cutting tools (12) comprise disc packs or rollers which are each rotatably mounted in a rigidly mounted on the tool carrier bearing, the disc packs or rollers at its periphery a plurality of preferably in the circumferential direction extending rows arranged cutting inserts (21) wear.
    [3]
    3. Track boring machine according to claim 2, characterized in that on the tool carriers (10,11) each have a plurality of disc packets (12a) or rollers with parallel to the rotation axis (9) of the tool carrier (10, 11) extending axis of rotation (27) and a Plurality of disc packets (12b, 12c) or rollers with the axis of rotation (9) of the tool carrier (10,11) inclined extending axis of rotation (28) are provided.

    • * * * * * * * * * * * * * * * * * * * * * * * * * 2 * 3 ***** ···
    [4]
    4. stretch driving machine according to claim 3, characterized in that the inclined axis of rotation (28) having disc packets (12br12c) or rollers have a cone-shaped peripheral or envelope surface.
    [5]
    5. Tunneling machine according to one of claims 1 to 4, characterized in that the by the cutting tools (12) defined cutting thickness of the individual disc-shaped tool carrier (10,11), which is in particular the same for both tool carriers (10,11) is greater than the thickness of the end region (13) of the cantilever arm (4) arranged between the two tool carriers (10, 11).
    [6]
    6. Track boring machine according to one of claims 1 to 5, characterized in that the tool carrier (10,11) about a perpendicular to the horizontal pivot axis (7) of the cantilever arm (4) and transverse to the machine longitudinal axis of rotation (9) rotatable on the cantilever arm (4 ) are stored.
    [7]
    7. Stretching machine according to one of claims 1 to 6, characterized in that the boom arm (4) is mounted on a relative to the base frame (2) in the machine longitudinal direction slidably guided slide.
    [8]
    8. Stretching machine according to one of claims 1 to 7, characterized in that the base frame (2) against the ridges and the sole retractable punch has on, in order to clamp the Streckenvortriebsmaschine within the route.
    [9]
    9. A method for propelling a track underground with a tunneling machine according to one of claims 1 to 8, characterized in that a rotatably mounted on a »4 - 14 - cantilever arm and driven for rotation cutting device with at least two mutually parallel disc-shaped tool carriers, the arranged between the tool carriers, at least partially disc-shaped end portion of the cantilever arm are rotatably mounted, preferably at the lateral impact is applied to the working face, that by advancing the cantilever arm in the machine longitudinal direction a break is cut, that the cantilever arm is then laterally pivoted in a first cutting operation, whereby two parallel, separated by a rock rib grooves are cut, whereupon the cantilever arm pivots after pulling out of the cutting device from the cut grooves in the height direction and in a to the first Schne idstell in the vertical direction offset position is applied to the working face that by cutting the boom in the machine longitudinal direction a burglary is cut and that in a subsequent second cutting operation by lateral pivoting of the boom two parallel grooves are cut, which are cut to the cut in the first cutting parallel Grooves are offset so that the remaining in the first cutting rock crest is cut away. Vienna, 5 November 2010 Sandvik Mining and Construction G.m.b.H by:

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    同族专利:
    公开号 | 公开日
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    RU2627337C1|2016-04-11|2017-08-07|Акционерное Общество "Копейский Машиностроительный Завод"|Mountain tunnelling machine actuator|
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    CN110284881B|2019-06-17|2020-11-27|长安大学|Disc crusher|
    法律状态:
    2016-07-15| MM01| Lapse because of not paying annual fees|Effective date: 20151105 |
    优先权:
    申请号 | 申请日 | 专利标题
    AT18262010A|AT510657B1|2010-11-05|2010-11-05|Mining machine|AT18262010A| AT510657B1|2010-11-05|2010-11-05|Mining machine|
    AU2011325847A| AU2011325847B2|2010-11-05|2011-11-03|Tunneling machine|
    DE201111103661| DE112011103661A5|2010-11-05|2011-11-03|Mining machine|
    RU2013125768/03A| RU2571471C2|2010-11-05|2011-11-03|Heading machine|
    PL404916A| PL226380B1|2010-11-05|2011-11-03|Pavement hollowing machine|
    CN201180064348.1A| CN103299033B|2010-11-05|2011-11-03|Tunneler|
    PCT/AT2011/000446| WO2012058705A2|2010-11-05|2011-11-03|Tunneling machine|
    ZA2013/03815A| ZA201303815B|2010-11-05|2013-05-24|Tunneling machine|
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