Abstract: Arrangement (10) for a rock grouting equipment for positioning at least one cartridge (11) is described. The arrangement incorporates at least one magazine (12), arranged around an axis (15). The magazine (12) incorporates at least one space (13), in which space (13) a plurality of said cartridges (11) is stored. The arrangement further incorporates at least one, radially extending, catching device (3, 14), arranged and formed such that it catches at least one cartridge (11) between itself and the inner surface (4) of the magazine body (12), when it performs a rotating movement around the axis (15). The invention also relates to a method.

Abstract: The invention relates to a method pertaining to a bolting configuration (299) where a drilling unit and a bolting unit are arranged to be supported by a bottom carriage (330) via a respective top carriage (271; 272), wherein said bottom carriage (330) is arranged to be supported by a feed beam (230), relative to which said bottom carriage (330) is displaceable, wherein said top carriages (271; 272) are arranged to alternately be supported by said bottom carriage (330) to alternately be brought into operative engagement and hereby alternately be locked relative to said bottom carriage (330).

Abstract: The invention relates to a method pertaining to a drill support device (290) comprising two relatively movable drill support arms (241; 242), wherein a support space is formed between opposite arm sections (261, 262), in which a drill steel (201) is adapted to be guided and wherein said space is opened and closed by relative displacement of said sections (261, 262). The method includes the step of: —fixing (S401) at least one of said drill support arms (241; 242) by sealingly clamping between, on one side, a support element (670) and, on the other side, a housing section (650), which accommodates a hydraulic cylinder (605) with a hydraulic piston (680), on which hydraulic cylinder (605), said drill support arm (241; 242) is revolvingly mounted, wherein said drill support arm (241; 242) is clamped by means of a screw means (640) by which the housing section (650) is displaceable.

Abstract: Arrangement (10) for a rock grouting equipment for positioning at least one cartridge (11) is described. The arrangement incorporates at least one magazine (12), arranged around an axis (15). The magazine (12) incorporates at least one space (13), in which space (13) a plurality of said cartridges (11) is stored. The arrangement further incorporates at least one, radially extending, catching device (3, 14), arranged and formed such that it catches at least one cartridge (11) between itself and the inner surface (4) of the magazine body (12), when it performs a rotating movement around the axis (15). The invention also relates to a method.

Abstract: The invention comprises an injection device (6), for injecting fixing material in a drill hole (13) during rock bolting, comprising a hose system (12) and a feed unit (15). The hose system (12) comprises an injection pipe (10), the injection device further comprises a positioning means (33) adapted to adjust the position of the injection pipe (10) in relation to the drill hole (13) and the feed unit (15) comprises means (31, 32) adapted to drive the hose system (12) such that the injection pipe (10) enters the drill hole (13) for supplying fixing material into the hole (13) during operation.

Abstract: The invention relates to a method pertaining to a drill support device (290) comprising two relatively movable drill support arms (241; 242), wherein a support space is formed between opposite arm sections (261, 262), in which a drill steel (201) is adapted to be guided and wherein said space is opened and closed by relative displacement of said sections (261, 262). The method includes the step of: fixing (S401) at least one of said drill support arms (241; 242) by sealingly clamping between, on one side, a support element (670) and, on the other side, a housing section (650), which accommodates a hydraulic cylinder (605) with a hydraulic piston (680), on which hydraulic cylinder (605), said drill support arm (241; 242) is revolvingly mounted, wherein said drill support arm (241; 242) is clamped by means of a screw means (640) by which the housing section (650) is displaceable.

Abstract: The invention relates to a method pertaining to a bolting configuration (299) where a drilling unit and a bolting unit are arranged to be supported by a bottom carriage (330) via a respective top carriage (271; 272), wherein said bottom carriage (330) is arranged to be supported by a feed beam (230), relative to which said bottom carriage (330) is displaceable, wherein said top carriages (271; 272) are arranged to alternately be supported by said bottom carriage (330) to alternately be brought into operative engagement and hereby alternately be locked relative to said bottom carriage (330).

Abstract: A feed unit (105) to be used with a mining or construction machine (100), the feed unit (105) having a feeder holder (106) and a feed beam (111) able to move relative to the feeder holder (106), the feed unit (105) also having a supporting unit for a drilling machine (121), the supporting unit being arranged to support the drilling machine (121) moveably in relation to the feed beam (111), and the feed unit (105) having a driving device to move the feed beam (111) relative to the feeder holder (106) in operation. The supporting unit is attached to the feeder holder (106) such that, when the feed beam (111) moves relative to the feeder holder (106) by the driving device, the supporting unit is automatically moved at the same time along the feed beam (111). A rock drilling assembly and a rock drilling rig include the feed unit.

Abstract: A feeder holding device used with a rock drilling and/or rock bolting rig, in which the rock drilling and/or rock bolting rig has at least one boom with a first end and a second end, the first end is attached to a carrier, and the second end supports a feed beam by the feeder holding device, and in which the feed beam can be adjusted by the feeder holding device in a first drilling position in a first drilling direction and in a second position. The feeder holding device provides linear movement of the feed beam, in a direction different from the drilling direction, from the first drilling position to the second position, such that the feed beam in the second position is pointed in a direction parallel to the first drilling direction. A rock drilling and/or rock bolting rig is also provided.

Abstract: A boom arrangement (202) and a drilling rig having the boom arrangement for use in a mining or construction machine (200) the boom arrangement having a first boom section (203) with a first and a second end, in which the first end is designed to be fastened to a carrier (201), and the second end is designed to carry a drilling machine (210), the boom arrangement (202) also having a first rotational linking element (205) with a first axis of rotation (B1) and a second rotational linking element (206) with a second axis of rotation (B2). The first rotational linking element (205) is arranged at the first end of said first boom section (203) and the second rotational linking element (206) is arranged at said second end of the first boom section (203) such that the axes of rotation (B1, B2) are fixed in relation to each other, and the axes of rotation (B1, B2) form angles with vertical direction of the carrier, the angles being in the interval of 0 to 45°.

Abstract: A boom arrangement (7) for a rock drill rig (5) including a feed beam unit (8) for displaceable reception of at least one rock drilling machine (10, 10?), a support unit (13) for connection to and support of a rotator unit (12), a boom unit (11) between the rotator unit (12) and the feed beam unit (8) for displacement of the feed beam unit in planes essentially at right angle to a main plane (P) for the support unit (13), wherein the rotator unit (12) is arranged for rotating the feed beam unit (8) around an axis (A), which is essentially-perpendicular to said main plane (P), wherein the support unit (13) is connectable to a vehicle unit being part of the rock drill rig (5), and being arranged for displacing the rock drill rig. The support unit (13) has joint connecting elements (14) being sidewardly connectable for connection to a sidewardly directed carrier device (15, 17) which is attachable to the vehicle unit, and a lower abutment side (16) for lying supporting against an outer substrate.

Abstract: The invention comprises an injection device (6), for injecting fixing material in a drill hole (13) during rock bolting, comprising a hose system (12) and a feed unit (15). The hose system (12) comprises an injection pipe (10), the injection device further comprises a positioning means (33) adapted to adjust the position of the injection pipe (10) in relation to the drill hole (13) and the feed unit (15) comprises means (31, 32) adapted to drive the hose system (12) such that the injection pipe (10) enters the drill hole (13) for supplying fixing material into the hole (13) during operation.

Abstract: The present invention pertains to a feed unit (105) to be used with a mining and/or construction machine (100), said feed unit (105) comprising a feeder holder (106) and a feed beam (111) able to move relative to the feeder holder (106), said feed unit (105) further comprising a supporting unit to bear a drilling machine (121), wherein said supporting unit is arranged to bear said drilling machine (121) moveably in relation to said feed beam (111), and said feed unit (105) furthermore comprises driving means to move said feed beam (111) relative to said feeder holder (106) in operation. Said supporting unit is attached to said feeder holder (106) such that, when said feed beam (111) moves relative to said feeder holder (106) thanks to said driving means, the supporting unit is automatically moved at the same time along the feed beam (111). The invention also pertains to a rock drilling assembly and a rock drilling rig.

Abstract: The invention concerns a boom arrangement (202) for use in a mining and/or construction machine (200), comprising a first boom section (203) with a first and a second end, wherein said first end is designed to be fastened to a carrier (201), and said second end is designed to carry a drilling machine (210), wherein said boom arrangement (202) furthermore comprises a first rotational linking means (205) with a first axis of rotation (B1) and a second rotational linking means (206) with a second axis of rotation (B2). Said first rotational linking means (205) is arranged at said first end of said first boom section (203) and said second rotational linking means (206) is arranged at said second end of said first boom section (203) such that said axes of rotation (B1, B2) are fixed in relation to each other, and said axes of rotation (B1, B2) make angles with the vertical direction of the carrier, said angles being in the interval of 0 to 45°. The invention also pertains to a rock drilling rig.

Abstract: The present invention pertains to a feeder holding device to be used with a rock drilling and/or rock bolting rig, wherein said rock drilling and/or rock bolting rig comprises at least one boom with a first end and a second end, wherein said first end is attached to a carrier, and said second end is designed to support a feed beam by means of the feeder holding device, wherein said feed beam can be adjusted by means of said feeder holding device in a first drilling position in a first drilling direction and in a second position. The feeder holding device is designed for linear movement of said feed beam, in a direction different from said drilling direction, from said first drilling position to said second position, wherein the feed beam in said second position is pointed in a direction parallel to said first drilling direction. The invention also pertains to a rock drilling and/or rock bolting rig.

Abstract: A boom arrangement (7) for a rock drill rig (5) including a feed beam unit (8) for displaceable reception of at least one rock drilling machine (10, 10?), a support unit (13) for connection to and support of a rotator unit (12), a boom unit (11) between the rotator unit (12) and the feed beam unit (8) for displacement of the feed beam unit in planes essentially at right angle to a main plane (P) for the support unit (13), wherein the rotator unit (12) is arranged for rotating the feed beam unit (8)around an axis (A), which is essentially-perpendicular to said main plane (P), wherein the support unit (13) is connectable to a vehicle unit being part of the rock drill rig (5), and being arranged for displacing the rock drill rig. The support unit (13) has joint connecting elements (14) being sidewardly connectable for connection to a sidewardly directed carrier device (15, 17) which is attachable to the vehicle unit, and a lower abutment side (16) for lying supporting against an outer substrate.