• 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:
    An underground drilling machine has a vehicle frame, a boom and a drill bit head. The boom has a first end connected to the vehicle frame and a second end. The drill bit head has a pivot, a first arm, and a second arm angularly spaced from the first arm. The hinge defines an axis of rotation and supports the drill bit for rotation with respect to the second end of the cantilever. The first arm has a first end connected to the hinge, a second end, and at least one disc mill connected to the first arm and aligned for engagement with the wall. The first arm extends from the first end to the second end in a plane that is perpendicular to the axis of rotation. The second arm has a first end connected to the hinge, a second end, and at least one disc milling cutter connected to the second arm and oriented for engagement with the wall. The second arm extends from the first end to the second end in a plane that is perpendicular to the axis of rotation.
    公开号:AT513667A2
    申请号:T9316/2011
    申请日:2011-08-03
    公开日:2014-06-15
    发明作者:
    申请人:Joy Mm Delaware Inc；
    IPC主号:
    专利说明:

    : • • • «• • •« • • • • • • • • • • • • • • • • • • * •: «
    UNDERGROUND DRILL
    CROSS-REFERENCE TO RELATED APPLICATIONS
    This application claims the benefit of US Provisional Application 61 / 370,342, filed Aug. 3, 2010, the entire contents of which are hereby incorporated by reference.
    BACKGROUND
    The present invention relates to mining equipment, and more particularly to an underground drilling / propulsion machine.
    Conventional underground excavating machines provide a rotary milling head to make an entrance or tunnel in a wall of material. The milling head includes a milling mechanism for breaking material out of the wall.
    These excavators have difficulty in changing the direction of the tunnel as it often requires changing the orientation of the entire drilling machine. This can be a complicated task as it requires maneuvering the drill within the confines of the excavated tunnel. In addition, the milling mechanism of conventional drills can develop high loads, which reduces the useful life of the machine and requires frequent maintenance.
    SUMMARY OF THE INVENTION
    In one embodiment, the invention provides an underground drilling machine for making a tunnel in a wall, the machine having a vehicle frame, a boom, and a drill bit head. The boom has a first end connected to the vehicle frame and a second end. The drill bit head has a pivot, a first arm, and a second arm that is angularly spaced from the first arm. The hinge defines an axis of rotation and supports the drill bit for rotation with respect to the second end of the cantilever. The first arm has a first end, which is connected to the hinge 2/27 2 ·································································.
    • · ο «· · · is a second end, and at least one side-milling cutter, which is connected to the first arm and aligned for attack on the wall. The first arm extends from the first end to the second end in a plane that is perpendicular to the axis of rotation. The second arm has a first end connected to the pivot, a second end, and at least one side milling cutter connected to the second arm and oriented for engagement with the wall. The second arm extends from the first end to the second end in a plane that is perpendicular to the axis of rotation.
    In another embodiment, the invention provides an underground drilling machine for making a tunnel in a wall. The underground drilling machine is supported on a floor defining a ground plane, and the underground drilling machine has a vehicle frame, a boom and a Bohrfräskopf on. The vehicle frame supports the underground drilling machine on the ground and defines a frame axis which is parallel to the ground plane. The boom has a first end slidably connected to the vehicle frame, a second end, a first portion located near the first end, a second portion pivotally connected to the first portion, and a third portion, which is located near the second end and is pivotally connected to the second section. The drilling head has a pivot, a first arm and a second arm angularly spaced from the first arm. The hinge defines an axis of rotation and is rotatably connected to the second end of the cantilever. The first arm has a first end connected to the pivot, a second end, and at least one side milling cutter, which is abutted against the first arm and aligned for engagement against the wall. The second arm has a first end connected to the hinge, a second end, and at least one disc cutter connected to the second arm and oriented for engagement with the wall. The second cantilever portion pivots with respect to the first Ausiegerabschnitt about a first axis which is substantially perpendicular to the frame axis. The third boom section pivots with respect to the second boom section about a second axis that is substantially perpendicular to the first axis, and the drill bit rotates about the axis of rotation with respect to the second end of the boom
    In yet another embodiment, the invention provides a milling head for piercing a wall, the milling head having a rotary union, a first arm, and a second arm. The rotary feedthrough defines an axis of rotation and supports the milling head for rotation about the axis of rotation. The first arm has a first end, a second end and at least one side milling cutter. The first end is connected to the rotary feedthrough. The first arm extends from the first end to the second end in a direction substantially perpendicular to the axis of rotation. The at least one side milling cutter is connected to the first arm and aligned for attack on the wall. The second arm is angularly spaced from the first arm. The second arm has a first end, a second end, and at least one side milling cutter. The first end is connected to the rotary feedthrough. The second arm extends in a manner from the first end to the second end that is substantially perpendicular to the axis of rotation. The at least one side milling cutter is connected to the second arm and aligned for attack on the wall.
    Other aspects of the invention will become apparent upon a consideration of the detailed description and the accompanying drawings.
    BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a drilling machine according to an embodiment of the invention. FIG. FIG. 2 is a side view of the drilling machine of FIG. 1. FIG. 3 is a plan view of the drill of FIG. 1. FIG. 4 is an enlarged sectional view taken from the side of the drill of FIG. 3. FIG. 5 is a top view of the drill of FIG. 1, wherein a Bohrfräskopf is articulated on the left side. 6 is a front view of the drill of FIG. 1. 4 4 # · · «. ··························································. Fig. 7 is a sectional perspective view of the drill bit. FIG. 8 is a side view of the drill bit. FIG. 9 is a perspective view of a pre-filing milling head.
    Before any embodiments of the invention are explained in detail, it should be understood that the invention is not limited in its application to the details of construction and component arrangements set forth in the following description or illustrated in the accompanying drawings. The invention is capable of other embodiments or of practice or of practice in various ways.
    DETAILED DESCRIPTION FIG. 1 and FIG. FIG. 2 illustrates an underground drilling machine 10 for engaging a wall (not shown) to form a tunnel or entrance in the wall. The drilling machine 10 includes a vehicle frame 18, a boom 22, a boring cutter head 26, a pair of profiling milling heads 30, a stabilization system 34 and a material removal system 38. The frame 18 defines a frame axle 46 (FIGURE 3) and includes a pair of tracks 50 for supporting the vehicle frame 18 on a floor or support surface. In other embodiments, the frame 18 may include a hydraulic walker or hydraulic sliding mechanism, and may have fewer or more profiling milling heads 30. The frame 18 may also include additional pumping stations and power packs (not shown) to provide primary drive power to the auger head 26 and the profiling cutterheads 30.
    As shown in FIG. 3 and FIG. 4, the boom 22 has a first end 58 (FIG. 4), a second end 62, a first portion 66 (FIG. 4) proximate the first end 58, a second portion 70 pivotally attached connected to the first section 66, a third section 74 located close to the second end 62 and pivotally connected to the second section 70, forward cylinders 78 (FIGS. 2 and 4), a vertical actuator 82 (FIG. and 5/27 a horizontal actuator 86. As the term "horizontal" and variants thereof are used in this application, it refers to a direction in a plane which is parallel to the ground. As the term «vertical " and variants thereof are used in this application, it refers to a direction in a plane which is perpendicular to the ground. For example, the first end 58 of the boom 22 is connected to the vehicle frame 18 via a rail (not shown) which allows the boom 22 to slide in and out in a direction parallel to the frame axis 46. The feed cylinders 78 drive the first end 58 of the boom 22 to move the boom 22 with respect to the vehicle frame 18.
    The second portion 70 of the boom 22 is pivotally connected to the first portion 66 of the boom 22 via a first pivot 90 (FIG. 4) defining a first axis 94. The second portion 70 pivots about the first axis 94 with respect to the first portion 66. In the illustrated embodiment, the vertical actuators 82 drive the second portion 70 to rotate about the first axis 94. The first axis 94 is substantially perpendicular to the frame axis 46, and is substantially parallel to the ground. Thus, rotation of the second portion 70 about the first axis 94 changes the altitude or vertical height of the second end 62 of the boom 22.
    The third portion 74 of the boom 22 is pivotally connected to the second portion 70 of the boom 22 via a second pivot 98 defining a second axis 102. The third portion 74 pivots with respect to the second portion 70 about the second axis 102 (Figure 4). As shown in FIG. 5, the horizontal actuators 86 drive the third section 74 to rotate about the second axis 102. The second axis 102 is substantially perpendicular to the first axis 94 and substantially perpendicular to the frame axis 46. Thus, rotation of the third portion 74 about the second axis 102 alters the horizontal orientation of the second end 62 of the boom 22. In the illustrated embodiment at the Vertikalstellgliedern 82 and the Horizontalstellgiiedern 86 to hydraulic cylinders.
    In other embodiments, a rotary actuator including a transmission housing may be connected to the hinges 90, 98 to move the second section 70 6/27 6 ··· · · · · · · · · · ·; • • * • · · · · · «· · · · · · · · · · · · · · · · · · · · · · · · · · • • • • • '* * ·· »« • · M * and the third section 74. Also, the first pivot 90 may be vertically disposed to control the horizontal orientation of the second end 62 of the boom 22, and the second pivot 98 may be disposed horizontally to control the vertical position of the second end 62 of the boom 22.
    With reference to FIG. 3, the drill bit head 26 includes a rotary base hinge 110 (FIG. 4), a motor (not shown), a body 118, a first arm 126, and a second arm 130 (FIG. 6). The pivot base joint 110 defines an axis of rotation 134 and includes a support member 142 and a rotary coupler 146. The support member 142 is connected to the second end 62 of the boom 22 and is rotatably connected to the rotary coupler 146. The rotary coupler 146 is attached to the body 118 of the drill bit 26. The rotary coupler 146 may rotate continuously with respect to the support member 142, allowing continuous rotation of the boring milling head 26 with respect to the second end 62 of the boom 22. The motor is disposed in the support member 142 and drives the rotary coupler 146 for rotation about the rotation axis 134. As shown in FIG. The rotary base hinge 110 supports a hydraulic, electrical and vacuum line for connection to the motor and other components in the drill bit head 26 as the drill bit head 26 rotates. Rotary socket joints are well known in the art, and therefore no further description is given here.
    As shown in FIG. 6 and FIG. 7, body 118 is disposed behind first arm 126 and second arm 130 and defines an interior cavity 158 (FIG. 7). In the illustrated embodiment, the body 118 is generally shaped as a flat disc having a diameter substantially equal to the combined length of the first arm 126 and the second arm 130 and includes four intake ports 162. The body 118 rotates with the support member 142 are disposed about the axis of rotation 134. The channels 162 are arranged to follow the first arm 126 and the second arm 130 as the arms 126, 130 rotate, and the channels 162 collect the material released from the wall. and direct the material into the interior cavity 158. In other embodiments, the body 188 may include fewer or more channels 162, and may have a different shape or size. For example, the body 118 may be a simple frame for supporting the first arm 126 and the second arm 130. *** "
    Referring again to FIG. 3 and FIG. 6, the first arm 126 has a first end 170, a second end 174 and a plurality of disc cutters 178 which are attached to the first arm 126. The first arm 126 is connected to the body 118 and is substantially perpendicular to the axis of rotation 134. The second arm 130 also has a first end 186, a second end 190, and a plurality of disc cutters 178 which are attached to the second arm 130. The second arm 130 is joined to the body 118 and is substantially perpendicular to the axis of rotation 134. The first arm 126 and the second arm 130 rotate with the body 118 about the axis of rotation 134.
    In the illustrated embodiment, the first arm 126 and the second arm 130 extend radially from the axis of rotation 134. The first arm 126 and the second arm 130 are spaced 180 ° apart, and the first arm 126 and the second arm 130 are formed as a single part. In other embodiments, the first arm 126 and optionally the second arm 130 may extend in an arcuate manner from the axis of rotation 134 such that the first arm 126 and the second arm 130 have a spiral shape as seen along the axis of rotation 134. The first arm 126 and the second arm 130 may also be formed to have a straight portion and an arcuate portion. In other embodiments, the first arm 126 and the second arm 130 may be spaced apart at a different angle, and the first arm 126 and the second arm 130 may be formed as two separate parts. In other embodiments, the reamer head 26 may have fewer or more arms.
    As shown in FIG. 8, the first arm 126 and the second arm 130 define a mounting surface 202 proximate the forward portion of the reamer head 26. In the illustrated embodiment, the abutment surface 202 has a convex shape defined by the first arm 126 and the second Arm 130 is defined. The mounting surface 202 extends further forward from the vehicle frame 18 near the first end 170 of the first arm 126 and near the first end 186 of the second arm 130. The mounting surface 202 tapers near the second end 174 of the first arm 126 and the second end 190 of the second arm 130 toward the vehicle frame 18. This convex shape reduces the stress on the side milling cutters 178 as they drill into the wall of material 8/27 8. In other embodiments, the mounting surface 202 may be more or less tapered to form a deeper or shallower convex shape, or the mounting surface 202 may have a flat shape.
    The disc cutters 178 are mounted in the first arm 126 and second arm 130 for engagement with the wall. Each disc cutter 178 is independently rotatable to provide a uniform contact and a symmetrical excavation pattern. The disc cutters 178 minimize undrilled heels or steps and provide a clean surface profile. Referring again to FIG. 3, the disc cutters 178 are aligned at an angle 210 with respect to a plane 206 that is tangent to the mounting surface 202, and the disc cutters 178 engage the wall as the first arm 126 and the second arm 130 rotate about the axis of rotation 134 , In the illustrated embodiment, the first arm 126 and the second arm 130 each have four disc cutters 178, and the pitch angle is approximately 10 degrees with respect to the plane 206. In other embodiments, each arm may have fewer or more disc cutters 178.
    The auger bit 26 includes an inertial mass that is integrated with the body 118 to absorb the dynamic loading of the disc stoppers 178. The mass is arranged to impart relative rigidity and damping characteristics to the reamer head 26 to maintain the general shock and vibration levels within acceptable machine design limits. The mass decouples the dynamic load from the rest of the drilling machine 10.
    As the drill bit head 26 rotates (counterclockwise as shown in FIG. 6), the leading edge of each disc cutter 178 is inclined forwardly. This is shown in FIG. 8 best shown. Each disc cutter 178 rotates about an axis (not shown) that is perpendicular to mounting surface 202, and disc cutter 178 removes material in the wall and breaks it apart. Each disc cutter 178 is connected to an inertial mass such as lead contained in each arm 126, 130. In the illustrated embodiment, four disc cutters 178 are connected to each arm 126, 130, and the angle of attack 210 is ea. 10 °. In other embodiments, fewer or more disc cutters 178 may be mounted on each arm 126 and 130, and the disc cutters 178 may be configured at a different angle 210. 9.27
    In another embodiment (not shown), each disc cutter 178 may include a strain gauge equipped load cell that measures the milling force at the disc cutter 178, 194. The load cell comprises a plurality of measurement points to quantify linear forces in three dimensions and torque about the axis of rotation of the disc mills 178. This data is transferred to a control system (not shown) which receives feedback from the load cell * to control the milling speeds.
    As shown in FIG. 3 and FIG. 9, the profiling milling heads 30 are located behind the milling head 26 and near the bottom. Each profiling milling head 30 includes an integral inertial mass which imparts relative rigidity and damping characteristics to the profiling milling head 30. The inertial mass keeps the general shock and eye vibration levels within acceptable machine design limits. In the illustrated embodiment, each profiling milling head 30 includes five disc cutters 178, and each profiling milling head 30 can be rotated by hydraulic cylinders 218 to change the orientation of the disc milling cutters 178 with respect to the wall and adjust the angle of attack 210. In other
    In embodiments, the profiling milling head 30 may include fewer or more side milling cutters 178, and the profiling milling head 30 may be rotated by a rotary actuator such as a gear drive. With reference to FIG. 6, as the drill bit head 26 penetrates the material wall, the profiling milling heads 30 clear material near the floor to provide a rectangular cut in the lower portion of a excavation profile 222, providing a track for the tracks 50 and forming a flat bottom and flat walls. In other words, the profiling milling heads 30 square the sides of the tunnel as the drill 10 advances. Each profiling milling head 30 can be independently rotated to provide even contact and a symmetrical removal pattern, even when the boring milling head 26 rotates. The profiling milling heads 30 minimize unmilled steps and provide a clean surface profile.
    As shown in FIGS. 1 to 3, the stabilizer system 34 includes four stabilizer cylinders 230 and six grippers 234. Each of the stabilizer cylinders 230 is threaded at a corner of the vehicle frame 18. In other embodiments, the stabilizer system 34 may include fewer or more stabilizer cylinders 230 and 10/27 10 10...,...,...,. *,. • ·· «· · * · *« * · «4 ·· · *
    Gripper 234 include. Each stabilizer cylinder 230 includes a top plate 238 for engagement with the ground or the support surface. The cylinders 230 are extendable to allow the drill 10 to be lifted off the tracks 50 during drilling operations. Similarly, the grippers 234 are extendable from the top of the vehicle frame 18 to support the ceiling or tunnel section that is above the drill 10.
    As shown in FIG. 2, the material removal system 38 includes a suction source 242, a vacuum channel 246 in fluid communication with the interior cavity 158 of the body 118, a collector 250, and a conveyor belt 254 attached to the rear of the vehicle frame 18. The suction source 242 is disposed on the vehicle frame 18 and provides a negative pressure in the intake ports 162, the inner cavity 158 and the vacuum passage 246 ready. The vacuum channel 246 extends from the internal cavity 158 of the body 118 through the rotary socket joint 110 and into the collector 250. The vacuum channel 246 may be constructed of a flexible material to accommodate the movement of the drill bit 26. The collector 250 is disposed on the vehicle frame 18 and separates the released material from any water in the collector 250. After separation, the material is transferred to the conveyor belt 254, which in turn conveys the material to a conveyor system (not shown) to remove it from the drilling machine 10 to transport away.
    In another embodiment (not shown), after being separated from the water, the material may be transported away from the drilling machine 10 by a vacuum suction tube. In another embodiment (not shown), the drill bit head 26 includes an entrainment system for intercepting material released by the wall-engaging disc cutter 178. The entrainment system may include multiple water spray blocks to humidify the debris and dust from the wall and prevent the debris from passing past the auger head 26 and profiling router heads 30 to the rear of the machine 10. During operation, the stabilizer cylinders 230 are extended to lift the drill 10 from the running chains 50 and ensure that the vehicle frame 18 holds the balance. In addition, the grippers 234 are extended to engage the ceiling and provide support over the drill 10. Dialing 11/27 11 4. • 4 4 4 4 4 4 4 4 4 4 4 44: • 4 4 4 4 4 · 44 '44 While the vehicle frame 18 is in the supported position, the boom 22 is pivoted to align the drill bit 26 in the correct direction for excavating an entrance or tunnel. The boom 22 slides with respect to the vehicle frame 18 to extend the Bohrfräskopf 26 along the axis of rotation 134 and drill deeper into the wall. Alternatively, the drill 10 may be operated while the vehicle frame 18 is supported on the tracks (ie, without extending the stabilizer cylinders and grippers) so that the weight of the drill 10 stabilizes the drill bit 26. The profiling milling heads 30 are also arranged to abut attack the portion of the wall between the drill bit 26 and the ground.
    The Bohrfräskopf 26 is driven by the motor so that it rotates about the rotation axis 134. As the boring milling head 26 rotates, the disc cutters 178 engage the angle of attack 210 on the wall, causing material to be removed and broken out of the wall. FIG. 8 shows the orientation of the disc cutters 178 on each arm 126 and 130. In the illustrated embodiment, the disc cutters 178 near the pivot 134 first engage the wall, and the disc cutters 178, which are progressively farther away from the pivot pivot 110, engage the shaft Wall when the Bohrfräskopf 26 is moved into the wall. As the drilling machine 10 advances through the wall, the profiling milling heads 30 engage a portion of the wall below the reamer head 26 and above the ground, resulting in the profile shown in FIG. 6 illustrated excavation 222 is formed. The profiling milling heads 30 expand the milled profile of the milling head 26, thereby allowing the hauling frame 18 to advance through the wall. The profiling milling heads 30 can be retracted and extended to vary the width of the lower section.
    As material is released from the wall, a wicking action draws the material through the suction channels 162 and into the interior cavity 158. The material then passes into the vacuum channel 246 and is transported into the collector 250. After the collector 250 separates the material from any water, the material is deposited on the conveyor belt 254 on the back of the machine 10. The conveyor belt 254 transports the material to the conveyor system, which transports the material away from the drilling machine 10. 12/27 12 • «0 · Φ * • * • · •» »* • * ·. »• • Μ ··· • · ·» * · * ·
    The machine 10 is provided with an on-board control and automation system that operates the machine as described above, including controlling an orientation of the boom 22 by remote control, onboard operators, or both. The hinges 90, 98 may include sensors for monitoring the magnitude of reaction forces during milling so that the automation system controls the position of the feed cylinders 78 based on feedback from the milling force sensors. Such sensors may include, for example, angle sensors, load cells and / or strain gauges. This increases the service life of the side milling cutters 178.
    Thus, the invention provides, inter alia, an underground drilling machine. Various features and advantages of the invention are set forth in the following claims. 13/27
    权利要求:
    Claims (31)
    [1]
    Claims 1. An underground drilling machine for making a tunnel in a wall, comprising: a vehicle frame; a boom having a first end connected to the vehicle frame and a second end; a drill bit head having a hinge, a first arm, and a second arm angularly spaced from the first arm, the hinge defining an axis of rotation and supporting the drill bit for rotation with respect to the second end of the cantilever, the first arm being a first End, which is connected to the hinge, a second end, and having at least one disc milling cutter, which is connected to the first arm and aligned for engagement against the wall, wherein the first arm extends from the first end to the second end in a plane, which is perpendicular to the axis of rotation, the second arm having a first end connected to the hinge, a second end, and at least one disc milling cutter connected to the second arm and oriented for engagement with the wall, the second Arm extends from the first end to the second end in a plane which is perpendicular to the axis of rotation.
    [2]
    The underground drilling machine of claim 1, wherein the first arm extends radially from the axis of rotation.
    [3]
    3. The underground drilling machine of claim 2, wherein the second arm extends radially from the axis of rotation, and the first arm and the second arm are spaced apart by an angle of about 180 °.
    [4]
    4. The underground drilling machine of claim 1, wherein the at least one disc cutter of the first arm is oriented such that the at least one disc cutter engages the wall at an angle of incidence when the first arm rotates about the axis of rotation.
    [5]
    5. The underground drilling machine according to claim 4, wherein the at least one side milling cutter of the first arm is oriented so that the at least one disk 14/27 14 • 14 • •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• When the second arm rotates about the axis of rotation, the reamer r engages the wall at an angle to the wall. English:.
    [6]
    The underground drilling machine of claim 5, wherein the first arm and the second arm define a first surface near the wall, and wherein the angle of attack is about 10 ° with respect to a plane tangent to the first surface.
    [7]
    7. The underground drilling machine of claim 1, wherein the first arm and the second arm define a first surface near the wall, the first surface having a convex shape.
    [8]
    The underground drilling machine of claim 1, and further comprising at least one suction channel near the drill bit head for collecting material released from the wall.
    [9]
    9. Underground drilling machine according to claim 8, wherein the at least one intake passage is in fluid communication with a suction source.
    [10]
    10. The underground drilling machine of claim 8, wherein the material released from the wall is transported through a vacuum channel to a conveyor belt disposed behind the vehicle frame.
    [11]
    11. An underground drilling machine according to claim 8, wherein the material released from the wall is transported through a vacuum channel to a collector.
    [12]
    12. The underground drilling machine of claim 1, and further comprising a profiling milling head disposed behind the boring milling head and near a bottom of the tunnel.
    [13]
    13. Substrate drilling machine according to claim 12, wherein the profiling milling head is pivotally connected to the vehicle frame.
    [14]
    The underground drilling machine of claim 1 and further comprising at least one stabilizer cylinder for supporting the off-the-floor power drill and at least one Gripper for supporting a ceiling section over the drill comprising.
    [15]
    15. An underground drilling machine for making a tunnel in a wall, wherein the underground drilling machine is supported on a floor defining a ground plane, the underground drilling machine comprising: a vehicle frame for supporting the underground drilling machine on the ground, the vehicle frame defining a frame axis that is parallel to the ground level; a boom having a first end slidably connected to the vehicle frame, a second end, a first portion located near the first end, a second portion pivotally connected to the first portion, and a third portion which is located near the second end and pivotally connected to the second section; a drilling milling head having a pivot joint, a first arm, and a second arm angularly spaced from the first arm, the pivot joint defining an axis of rotation and rotatably connected to the second end of the boom, the first arm having a first end abutting the rotary joint is connected, a second end, and at least one disc milling cutter, which is connected to the first arm and aligned for engagement against the wall, wherein the second arm has a first end, which is connected to the rotary joint, a second end, and at least one disc milling cutter, which is connected to the second arm and aligned for engagement with the wall, wherein the second boom section pivots with respect to the first boom section about a first axis which is substantially perpendicular to the frame axis, wherein the third boom section pivoted with respect to the second boom section about a second axis in the We is substantially perpendicular to the first axis, and wherein the Bohrfräskopf rotates with respect to the second end of the boom about the axis of rotation.
    [16]
    16. The underground drilling machine according to claim 15, wherein the boom slides in a direction parallel to the frame axis with respect to the vehicle frame. 16/27 • · · · · · · · · · · · ······················································································· ······· ····
    [17]
    The underground drilling machine of claim 15, wherein the first axis is substantially parallel to the ground.
    [18]
    18. The underground drilling machine of claim 15, wherein the first arm and the second arm extend radially from the axis of rotation, and the first arm and the second arm are spaced apart by an angle of about 180 °.
    [19]
    19. The underground drilling machine of claim 15, wherein the at least one disc cutter of the first arm is oriented to engage the wall at an angle of incidence when the first arm rotates about the axis of rotation and the at least one disc cutter of the second arm is so aligned in that it engages the wall at an angle of attack when the second arm rotates about the axis of rotation.
    [20]
    The underground drilling machine of claim 15, wherein the drill bit head further comprises at least one suction channel near the first arm for collecting material released from the wall, the at least one suction channel being in fluid communication with a suction source.
    [21]
    The underground drilling machine of claim 20, wherein the material released from the wall is transported by a vacuum channel to a conveyor belt disposed behind the vehicle frame.
    [22]
    The underground drilling machine of claim 15, further comprising a profiling milling head located behind the drilling head and near the ground.
    [23]
    23. Substrate drilling machine according to claim 22, wherein the profiling milling head is pivotally connected to the vehicle frame.
    [24]
    24. Underground drilling machine according to claim 15, further comprising at least one stabilizer cylinder for supporting the lifted off the ground drill.
    [25]
    25. Milling head for piercing a wall, the milling head comprising: 17/27 17 ························································································ ··· · · a rotary union that defines an axis of rotation and supports the milling head for rotation about the axis of rotation; a first arm having a first end, a second end and at least one side milling cutter, the first end being connected to the rotary union, the first arm extending from the first end to the second end in a direction substantially perpendicular to the first end Is axis of rotation, wherein the at least one side milling cutter is connected to the first arm and aligned for attack on the wall; and a second arm angularly spaced from the first arm, the second arm having a first end, a second end, and at least one side milling cutter, the first end being connected to the rotary union, the second arm being remote from the first arm End to the second end which is substantially perpendicular to the axis of rotation, wherein the at least one disc milling cutter is connected to the second arm and aligned for attack on the wall.
    [26]
    26. The milling head of claim 25, wherein the first arm defines a first axis, the second arm defines a second axis, and the first axis and the second axis extend radially from the axis of rotation.
    [27]
    27. Milling head according to claim 26, wherein the first axis and the second axis are spaced apart by approximately 180 °.
    [28]
    28. The milling head of claim 25, wherein the at least one disc cutter of the first arm is oriented to engage the wall at an angle of incidence when the first arm rotates about the axis of rotation and the at least one disc cutter of the second arm is oriented in that it engages the wall at an angle of attack when the second arm rotates about the axis of rotation.
    [29]
    The milling head of claim 28, wherein the first arm and the second arm define a first surface near the wall, and wherein the angle of attack is about 10 ° with respect to a plane tangent to the first surface. 18/27 18 ······ ··· ······ · · # ·
    [30]
    30. The milling head of claim 25, further comprising at least one suction channel located near the first arm and arranged to collect material released from the wall.
    [31]
    31. Milling head according to claim 30, wherein the at least one intake passage is in fluid communication with a suction source. 19/27
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    同族专利:
    公开号 | 公开日
    CN103119245A|2013-05-22|
    US20120032494A1|2012-02-09|
    DE112011102587T5|2013-05-29|
    AU2011285755A1|2013-02-28|
    CA2807377A1|2012-02-09|
    AT513667A5|2014-06-15|
    WO2012018882A1|2012-02-09|
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    法律状态:
    2016-05-15| REJ| Rejection|Effective date: 20160515 |
    优先权:
    申请号 | 申请日 | 专利标题
    US37034210P| true| 2010-08-03|2010-08-03|
    PCT/US2011/046366|WO2012018882A1|2010-08-03|2011-08-03|Underground boring machine|
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