Mine roof drilling,bolting and plating machine

Claim 2

In a machine for installing a plate on a mine roof, a chassis having means supporting the same for movement along the ground, a first boom, means mounting one end of said first boom on said chassis for raising and lowering movement of the other end thereof relative to the chassis, means for raising and lowering said other end of said first boom, a plate support comprising a platform member having an aperture therethrough for permitting an anchor bolt to pass generally vertically therethrough, means mounting said platform on said other end of said first boom, a second boom, means mounting one end of the second boom on said chassis below the mounting of the first boom thereon for raising and lowering of the other end of the second boom relative to the chassis and the first boom, means for raising and lowering said other end of the second boom independently of the raising and lowering of the first boom, and a drill chuck on the other end of the second boom, said drill chuck being disposed below and in vertical alignment with the aperture in the plate support.

Claim 3

In a machine for installing a plate on a mine roof, a chassis having means supporting the same for movement along the ground, a first boom, means mounting one end of said boom on said chassis for raising and lowering movement of the other end of the boom relative to the chassis, means for raising and lowering said other end of said boom, and a plate support comprising a platform member having an aperture therethrough for permitting an anchor bolt to pass generally vertically therethrough, and means mounting said platform on said other end of said boom, a second boom disposed below the first boom, means mounting one end of the second boom on said chassis, the means mounting one end of said boom on the chassis comprising, a turret mounted on said chassis for rotation about a vertical axis, a frame, means mounting said frame on said turret, sliding pivot means mounting said one end of said boom on said frame for sliding movement in a generally horizontal direction, and linkage connecting said boom and constraining the boom against movement other than that in which said other end thereof moves in a substantially straight line.

Claim 4

In a machine for installing a plate on a mine roof, a chassis having means supporting the same for movement along the ground, a first boom, means mounting one end of said boom on said chassis for raising and lowering movement of the other end of the boom relative to the chassis, means for raising and lowering said other end of said boom, and a plate support comprising a platform member having an aperture therethrough for permitting an anchor bolt to pass generally vertically therethrough, and means mounting said platform on said other end of said boom, a second boom disposed below the first boom, means mounting one end of the second boom on said chassis, the means mounting one end of said boom on the chassis comprising, a turret mounted on said chassis for rotation about a vertical axis, a frame, means mounting said frame on said turret, sliding pivot means mounting said one end of said boom on said frame for sliding movement in a generally horizontal direction, and linkage connecting said boom and constraining the boom against movement other than that in which said other end thereof moves in a substantially straight line.

Claim 5

The combination claimed in claim 2, said frame having a ground-engaging foot thereon, the means mounting said frame on said turret comprising a horizontal pivot, and motor means engaged between said turret and frame for swinging the latter about said horizontal pivot so as to raise and lower said foot from and onto the ground.

Claim 6

The combination claimed in claim 3, the means for raising and lowering the other end of said boom comprising motor means engaged between said frame and said boom.

Claim 7

The combination claimed in claim 3, the means mountiNg said platform on said other end of said boom comprising a pivot providing rotation of said platform about an axis transverse to the length of the boom, and linkage connecting the platform to said frame for maintaining the platform in substantially fixed orientation about said pivot with respect to the frame.

Claim 8

The combination claimed in claim 1, the means mounting said platform on said other end of said boom comprising a support member, pivot means mounting said support member on said other end of said boom for pivoting about a first axis transverse to the length of the boom, and rotary bearing means mounting said platform on said support member for rotation about a second axis transverse to the first axis.

Claim 9

The combination claimed in claim 6, and means providing restrained pivotal movement of said first support means about said transverse axis.

Claim 10

The combination claimed in claim 5, the means providing restrained pivotal movement of said first support means about said transverse axis comprising a rod having one end pivoted to said first support means, and having the other end thereof disposed towards said one end of said boom, and means yieldably connecting the other end of said rod to said frame.

Claim 11

A machine for installing a plate on a mine roof comprising, in combination, a chassis, a turret mounted on said chassis for rotation about a vertical axis, a frame mounted on said turret for swinging about a first horizontal axis, means connected between said turret and frame for swinging the latter about said first horizontal axis, a first boom having inner and outer ends, sliding pivot means mounting the inner end of said first boom for pivoting about a second horizontal axis parallel to the first horizontal axis and for sliding movement in a first direction transverse to said horizontal axis, means engaged between said frame and first boom for raising and lowering the outer end thereof, means engaged between said frame and first boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along a substantially straight line, drill chuck means on the outer end of said first boom, a second boom disposed above the first boom and having inner and outer ends, second sliding pivot means mounting said second boom on said frame for swinging the second boom about a third horizontal axis parallel to the first and second horizontal axes, and for sliding movement in a second direction parallel to the first direction, means engaged between the frame and second boom for raising and lowering the outer end thereof, means engaged between the frame and second boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along the same straight line of movement of the outer end of the first boom, and means on the outer end of the second boom for supporting a roof plate thereon.

Claim 12

A machine for installing a plate on a mine roof comprising, in combination, a chassis, a turret mounted on said chassis for rotation about a vertical axis, a frame mounted on said turret for swinging about a first horizontal axis, means connected between said turret and frame for swinging the latter about said first horizontal axis, a first boom having inner and outer ends, sliding pivot means mounting the inner end of said first boom for pivoting about a second horizontal axis parallel to the first horizontal axis and for sliding movement in a first direction transverse to said horizontal axis, means engaged between said frame and first boom for raising and lowering the outer end thereof, means engaged between said frame and first boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along a substantially straight line, drill chuck means on the outer end of said first boom, a second boom disposed above the first boom and having inner and outer ends, second sliding pivot means mounting said second boom on said frame for swinging the second boom about a third horizontal axis parallel to the first and second horizontal axes, and for sliding movement in a second direction parallel to the first direction, means engaged between the frame and second boom for raising and lowering the outer end thereof, means engaged between the frame and second boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along the same straight line of movement of the outer end of the first boom, and means on the outer end of the second boom for supporting a roof plate thereon.

Claim 13

The combination claimed in claim 9, the means for supporting a plate on the outer end of the first boom including a platform having therethrough an aperture for permitting passage therethrough of a rock drill and anchor bolt.

Claim 14

In the combination claimed in claim 10, a support for said platform, and means mounting said support on the outer end of said boom for pivoting about an axis transverse to the length of the boom and parallel to the first and second horizontal axes.

Claim 15

In the combination claimed in claim 11, means connected between said frame and support for maintaining the latter in a substantially fixed orientation with respect to the direction of sliding of said second sliding pivot means.

Claim 16

In the combination claimed in claim 12, rotary bearing means mounting said platform on said support for rotation of said platform about a second vertical axis.

Claim 17

A machine for installing a plate on a mine roof comprisIng, in combination, a chassis, a turret mounted on said chassis for rotation about a vertical axis, a frame mounted on said turret for swinging about a first horizontal axix, a ground-engaging foot on said frame, a first hydraulic ram connected between said turret and frame for swinging the latter about said first horizontal axis between a lower position in which said foot engages the ground and an elevated position in which the foot is disposed above the ground, a first boom having inner and outer ends, a first sliding pivot means mounting the inner end of said first boom for pivoting about a second horizontal axis parallel to the first horizontal axis and for sliding movement in a first direction transverse to said horizontal axis, a second hydraulic ram engaged between said frame and first boom for raising and lower the outer end thereof, link means engaged between said frame and first boom for constraining the latter against swinging movement other than that in shich the outer end thereof moves upwardly and downwardly along a substantially straight line while the inner end thereof pivots and slides on the first sliding pivot means, drill chuck means on the outer end of said first boom, a second boom disposed above the first boom and having inner and outer ends, second sliding pivot means mounting the inner end of said second boom on said frame for swinging the second boom about a third horizontal axis parallel to the first and second horizontal axes, and for sliding movement in a second direction parallel to the first direction, third hydraulic ram means engaged between the frame and second boom for raising and lowering the outer end thereof, link means engaged between the frame and second boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along the same straight line of movement of the outer end of the first boom, means on the outer end of the second boom for supporting a roof plate thereon, including a platform having therethrough an aperture for permitting passage therethrough of a rock drill or anchor bolt engaged in said drill chuck means, a support for said platform, and means mounting said support on the outer end of said boom for pivoting about a horizontal axis transverse to the length of the boom and parallel to the first and second horizontal axes, means connected between said frame and support for maintaining the latter in a substantially fixed orientation with respect to the direction of sliding of said second sliding pivot means, and rotary bearing means mounting said platform on said support for rotation of said platform about a second vertical axis.

Claim 18

A machine for installing a plate on a mine roof comprisIng, in combination, a chassis, a turret mounted on said chassis for rotation about a vertical axis, a frame mounted on said turret for swinging about a first horizontal axix, a ground-engaging foot on said frame, a first hydraulic ram connected between said turret and frame for swinging the latter about said first horizontal axis between a lower position in which said foot engages the ground and an elevated position in which the foot is disposed above the ground, a first boom having inner and outer ends, a first sliding pivot means mounting the inner end of said first boom for pivoting about a second horizontal axis parallel to the first horizontal axis and for sliding movement in a first direction transverse to said horizontal axis, a second hydraulic ram engaged between said frame and first boom for raising and lower the outer end thereof, link means engaged between said frame and first boom for constraining the latter against swinging movement other than that in shich the outer end thereof moves upwardly and downwardly along a substantially straight line while the inner end thereof pivots and slides on the first sliding pivot means, drill chuck means on the outer end of said first boom, a second boom disposed above the first boom and having inner and outer ends, second sliding pivot means mounting the inner end of said second boom on said frame for swinging the second boom about a third horizontal axis parallel to the first and second horizontal axes, and for sliding movement in a second direction parallel to the first direction, third hydraulic ram means engaged between the frame and second boom for raising and lowering the outer end thereof, link means engaged between the frame and second boom for constraining the latter against swinging movement other than that in which the outer end thereof moves upwardly and downwardly along the same straight line of movement of the outer end of the first boom, means on the outer end of the second boom for supporting a roof plate thereon, including a platform having therethrough an aperture for permitting passage therethrough of a rock drill or anchor bolt engaged in said drill chuck means, a support for said platform, and means mounting said support on the outer end of said boom for pivoting about a horizontal axis transverse to the length of the boom and parallel to the first and second horizontal axes, means connected between said frame and support for maintaining the latter in a substantially fixed orientation with respect to the direction of sliding of said second sliding pivot means, and rotary bearing means mounting said platform on said support for rotation of said platform about a second vertical axis.