JP3844166B2 - Slope drilling machine and slope drilling method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, when a lock bolt is driven to reinforce a slope of a tunnel wellhead, a dam, a road side wall, a side wall of a deep foundation pile or the like (hereinafter referred to as a slope) during construction, The present invention relates to a slope drilling machine for making holes and a slope drilling method using the same.
[0002]
[Prior art]
In order to prevent the slope of a slope such as a road side wall from collapsing, it is reinforced by placing a lock bolt.
[0003]
In order to place a lock bolt on the slope, first a hole for placing the lock bolt must be drilled. Conventionally, when drilling a hole for placing a rock bolt, a work scaffold was constructed along the slope, and a drilling machine was installed on the work scaffold facing the slope to drill the hole. .
[0004]
However, the construction of the work scaffold and the removal after the completion of the work are troublesome and require a lot of labor and cost, which hinders the shortening of the construction period. In addition, a crane or the like is necessary for the movement of the rock drill, and further, the worker must work at a high place on the work scaffold, and the risk of work is great.
[0005]
Therefore, in order to improve the efficiency and improve the safety of drilling holes for driving rock bolts, in recent years, some construction machines such as power shovels have a drilling machine attached to the tip. It has come to be used.
[0006]
[Problems to be solved by the invention]
However, since the construction machine's work machine employs an articulated boom, it is difficult to position the drill hole with a rock drill mounted on it, and it is difficult to position accurately and the work speed is slow. There's a problem.
[0007]
The present invention solves such a problem in the drilling operation of a hole for setting a lock bolt when a lock bolt is driven for reinforcing a slope, and makes it easy to drill a rock drill on the slope. An object of the present invention is to provide a slope drilling machine capable of positioning and improving the efficiency of drilling work, and a slope drilling method using the slope drilling machine.
[0008]
[Means for Solving the Problems]
In the present invention, a travel freely carriage comprises a tiltable mast provided on the dolly, the drilling unit mounted movably along the mast, and a front portion of the cart, tilting back and forth The tilt body is supported by a tilt shaft that faces in the left-right direction, and the lower end of the mast is supported by the tilt body with a swing shaft that faces in the front-rear direction when the tilt body tilts and the mast stands up. The device is mounted on the mast so as to be rotatable about a guide swing axis parallel to the swing axis, so that the apparatus can be rotated between a running attitude parallel to the mast and a working attitude perpendicular to the mast. The above-mentioned problem is solved by a surface punching machine.
[0009]
When using this slope drilling machine to drill a hole for placing a lock bolt on the slope, run the carriage to the vicinity of the slope and place it sideways against the slope where the lock bolt is placed , The mast is tilted by tilting the tilt body of the slope drilling machine with the tilt axis, the mast is tilted and held by the swing axis so that it is almost parallel to the slope, and then the drilling device is guided to swing. The shaft is rotated to face the slope as a working posture, moved along the mast, and positioned at the first drilling position to drill. When the first drilling is completed, the drilling device is moved along the mast, positioned at the next drilling position and drilled. Drill holes.
[0010]
Therefore, the drilling apparatus to the slope face can be easily positioned, Ru can improve the efficiency of drilling operations.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a side view of a slope drilling machine according to an embodiment of the present invention, and FIG. 2 is a front view showing a working state of the slope drilling machine.
[0012]
The slope drilling machine 1 includes a carriage 2, a mast 3 provided on the carriage 2, and a drilling device 4 mounted on the mast 3.
The carriage 2 is provided with a horizontally revolving swivel body 7 on a travelable crawler 6, and a mount body 8 is fixed to the front portion of the revolving body 7. A tilt body 9 is supported on the mount body 8 by a tilt shaft 10. A tilt cylinder (not shown) is provided between the mount body 8 and the tilt body 9, and the tilt body 9 is tilted back and forth by expansion and contraction of the tilt cylinder.
[0013]
The lower end of the mast 3 is supported at the front end of the tilt body 9 by a swing shaft 12, and a pair of left and right mast swing cylinders 13 are provided between the tilt body 9 and the mast 3. When the left mast swing cylinder 13 extends and the right mast swing cylinder 13 shortens, the mast 3 tilts to the right slope 14 side (clockwise in the figure) as shown in FIG. When the left mast swing cylinder 13 contracts, the mast 3 returns to the upright state.
[0014]
The mast 3 is provided with a mast support 5 toward the right side. The mast support 5 is extended toward the slope 14 by extension of a built-in mast support cylinder (not shown), and can support the inclined mast 3 from the slope 14. A lower support 22 that supports the mast 3 from the ground 21 is provided on the right side of the lower end of the mast 3.
[0015]
The drilling device 4 includes a drilling machine 18 that drills rock bolting holes on the slope 14, and a guide shell 17 that guides the movement of the drilling machine 18 in the direction of the slope 14 guides. The guide mounting 23 is supported by a mounting 23 and is pivotally supported on the slide base 16 by a guide swing shaft 24 parallel to the swing shaft 12 of the mast 3.
[0016]
The slide base 16 is slidably mounted on the mast 3 and is moved up and down along the mast 3 by a drive motor (not shown).
The guide mounting 23 is rotated by a guide swing cylinder (not shown) from a position parallel to the mast 3 shown in FIG. 1 to a position perpendicular to the mast 3 as shown in FIG.
[0017]
When using this slope drilling machine 1 to drill a hole for setting a lock bolt on the slope 14, first, the carriage 2 with the mast 3 stored on the mast stand 27 as shown in FIG. Is moved to the vicinity of the slope 14 and the tilt cylinder is extended to raise the mast 3. At this time, the guide mounting 23 is in a position parallel to the mast 3, and the drilling device 4 is in a traveling posture in which the mast 3 and the guide shell 17 are parallel. Therefore, by operating the guide swing cylinder and rotating the guide mounting 23 to a position perpendicular to the mast 3, the drilling device 4 is brought into a working posture in which the mast 3 and the guide shell 17 are perpendicular to each other.
[0018]
Next, as shown by the phantom line in FIG. 2, the left mast swing cylinder 13 is expanded and the right mast swing cylinder 13 is contracted in a state where the drilling device 4 is within a stable range below a predetermined height. The mast 3 is tilted to the right slope 14 side so that the mast 3 is parallel to the slope 14 as shown in FIG. In this state, the drilling device 4 faces the slope 14.
[0019]
Then, the mast support cylinder is extended, the mast support 5 is extended toward the slope 14, and the inclined mast 3 is supported from the slope 14, and the lower support 22 is extended to support the mast 3 from the ground 21.
[0020]
Thereafter, the slide base 16 of the drilling device 4 is moved along the mast 3 so that the drilling device 4 is positioned at the first drilling position of the slope 14, and the drilling machine 18 is moved along the guide shell 17. A feed is applied so as to move in the direction of the surface 14, and the drill 19 drills and rotates the rod 19 and the bit 20 to drill holes in the slope 14.
[0021]
When the first drilling is finished, the drilling machine 18 is retracted along the guide shell 17, the slide base 16 is moved along the mast 3, and the drilling device 4 is positioned at the next drilling position. I do. Thereafter, the same operation is repeated to drill a hole for placing a lock bolt on the slope 14.
[0022]
When a predetermined number of holes for driving the lock bolts are drilled along the mast 3, the drilling device 4 is lowered to the lower stable range, and then the mast support cylinder is contracted to contract the mast support 5. After that, the left mast swing cylinder 13 is reduced, the right mast swing cylinder 13 is extended to return the mast 3 to the upright state, and the carriage 2 is moved to the drilling position in the next row.
[0023]
When traveling the carriage 2, the guide mounting 23 is rotated to a position parallel to the mast 3, so that the drilling device 4 has a traveling posture in which the mast 3 and the guide shell 17 are parallel. Then, the tilt cylinder is reduced, and the mast 3 is laid back and stored on the mast base 27 as shown in FIG.
[0024]
The slope drilling machine 1 can easily position the rock drill 18 at an arbitrary drilling position on the slope 14 and improve the efficiency of drilling work.
Further, the posture of the drilling device 4 can be changed between working and traveling, and the mast 3 and the guide shell 17 are parallel in the traveling posture, so that the slope drilling machine 1 has a wide path when traveling. do not need. Therefore, the guide shell 17 can be easily moved without being obstructed even in a narrow place where there is an obstacle on the side, so that the work can be performed efficiently.
[0025]
【The invention's effect】
As described above, by using the slope drilling machine of the present invention, the drilling device can be easily positioned at the drilling position of the slope, and the efficiency of drilling work can be improved.
[Brief description of the drawings]
FIG. 1 is a side view of a slope drilling machine as an embodiment of the present invention.
FIG. 2 is a front view showing a working state of a slope drilling machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Slope drilling machine 2 Carriage 3 Mast 4 Drilling apparatus 5 Mast support 6 Crawler 7 Rotating body 8 Mount body 9 Tilt body 10 Tilt shaft 12 Swing shaft 13 Mast swing cylinder 14 Slope 16 Slide base 17 Guide shell 18 Drilling machine 19 Rod 20 Bit 22 Lower support 23 Guide mounting 24 Guide swing shaft 27 Mast stand

Claims (2)

Comprising a travel freely carriage, and tiltable mast provided on the dolly, the drilling unit mounted movably along the mast, and
A tilt body that can be tilted back and forth is supported on the front part of the carriage by a tilt shaft that faces in the left-right direction.
The lower end of the mast is supported by the tilt body with a swing axis that faces in the front-rear direction when the tilt body tilts and the mast stands.
The drilling device is mounted on the mast so as to be rotatable with a guide swing shaft parallel to the swing shaft, so that it can be rotated between a traveling posture parallel to the mast and a working posture perpendicular to the mast. The slope drilling machine. A slope drilling method using the slope drilling machine according to claim 1, wherein the slope drilling machine is placed sideways with respect to a slope where a lock bolt is driven by running a carriage of the slope drilling machine. Tilting the tilt body of the drilling machine with the tilt axis, erecting the mast , tilting the raised mast with the swing axis, holding it almost parallel to the slope, and rotating the drilling device with the guide swing axis Opposite the slope as a posture , position the first drilling position to drill, and when the first drilling is finished, move the drilling device along the mast and position it at the next drilling position. A slope drilling method in which holes are drilled, and thereafter, the same operation is repeated to drill holes for driving rock bolts on the slope.

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