JPH0615799B2 - Guide holder for drilling machine- - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical guide guide holder for a rock drill for making a hole in a rock mass.

2. Description of the Related Art Conventionally, in the case where a rock drill is used to open a hole in a rock drill, the handle of the rock drill body is gripped and rotated while pressing the bit edge of the bit that is rotating with a pneumatic motor against the rock rock. While applying vibration with a pneumatic hammer to the bit, the hole diameter is 30 ~
A hole having a diameter of 50 mm and a depth of 1 to 4 m is opened.

Problems to be Solved by the Invention However, when the drilling machine body is grasped by both hands, vibration at the time of drilling is transmitted to the hands, which easily causes an industrial accident such as white wax disease. It takes a lot of work to operate the main body by hand, and among them, a device with a rock drill attached to the tip of the boom of the working machine has been developed,
There were drawbacks such as the limited work range.

In order to solve such a problem, the present invention installs a guide plate capable of locking a rock drill in front of a vertical post frame so that it can slide in the vertical direction, and A guide holder in which a wire wound around an induction drum provided around the wire sheave provided at the upper and lower ends of a vertical post is hooked to a guide plate, and the vertical post is attached to the rock drilling position by a rope. Support vertically and attach the rock drill to the guide plate in front of the vertical post frame, then guide the guide plate downward while rotating the handle of the guide drum, making it extremely easy to drill holes with the rock drill bit. None, it is characterized by reducing the burden on the operator and preventing white wax.

Means for Solving Problems The constitution of the present invention will be described below with reference to the accompanying drawings.

The left and right front struts 1a, 1b and the left and right rear struts 2a, 2b having the central portion bent backward are opposed to each other in the front-rear direction, and the left front side and the upper-lower position are located on the left and right sides of the front left and right front struts 1a, 2a facing each other. A frame 3a is continuously provided, and the right front and rear columns 1
The right and left frames 3b are continuously arranged at the center upper and lower positions of b and 2b and the upper and lower positions, respectively, and the rear frame 3c is continuously arranged at the center upper and lower positions and the upper and lower positions of the left and right rear columns 2a and 2b.
A front frame 3d, which is recessed into the inside, is continuously provided on the back surface of the left and right front columns 1a, 1b near the upper and lower positions, and a top plate 5 with the front incision 4 is fixed to the upper end of each column. An arbitrary number of rope links 6 are attached to the upper surface of 5, and a front end is formed in a triangular shape at the lower end of each strut 7 to form a bit groove 8 and a square hole 9 is formed behind the bit groove 8. The vertical post frame 12 is formed by fixing the lower surface plate 11 having the inverted U-shaped rebar locking rods 10 vertically provided on both sides of the lower surface of the square hole 9, and the left and right front columns 1a and 1b of the vertical post frame 12 are formed. Left and right guide plates 13a are provided on the inner surfaces facing each other.
13b is projected, and a pair of left and right receiving plates 15a, 15a are attached to the back surface of the lower end of the long plate 14 so as to project from both sides of the long plate 14 and the lower part of the long plate 14 is provided at intervals of the receiving plates 15a, 15a. A guide 16a with a hole is projected, and a lower holding plate 17a is attached to the lower end of the front surface of the long plate 14 so as to project from both sides of the long plate 14, and inverted L-shaped plates 18 are provided on both front surfaces of the lower holding plate 17a. , 18 are projectingly provided, and a lower locking plate 19 is detachably locked to the inverted L-shaped plates 18, 18 with bolt nuts 20, 20, and a pair of left and right receiving plates 15b are provided on the rear surface of the upper end of the long plate 14. 15b is attached to project from both sides of the long plate 14, and guides 16b with upper holes are projected on the long plate 14 at intervals between the receiving plates 15b and 15b, and an upper holding plate 17b is attached to the front upper end of the long plate 14. Attached long plate 1
4, projecting from both sides of the upper pressing plate 17b, a plate 21 with a locking hole at the lower front position of the upper pressing plate 17b, an inverted L-shaped plate 22 projecting at the upper front position, and a hook 23 bent at the lower end. The hook 23 of the upper locking plate 24
And the upper end of the upper locking plate 24 is detachably locked to the inverted L-shaped plate 22 with a bolt nut 25.
The lower wire mounting bolt 26a is inserted into the lower hole guide 16a at the lower end of the rear side of the coil spring 27 to attach the coil spring 27, and the upper wire mounting bolt 26b is inserted from the upper surface to the upper hole guide 16b at the upper rear side of the coil spring. Form a rock drill guide plate 28 to which 27 is attached,
The rock drill guide plate 28 is inserted into the left and right guide plates 13a and 13b of the vertical post frame 12 so that the receiving plates 15a and 15a and the lower holding plate 17a and the receiving plates 15b and 15b and the upper holding plate 17b can be left and right. The guide plates 13a and 13b are attached to each other so that the rock drill guide plate 28 can be vertically guided, and the left and right front support columns 1a,
A mounting plate 29 is fixed to 1b, and a drum induction machine 31 having a winding drum 30 with a ratchet brake inside is mounted inside the mounting plate 2 as a mounting plate 2.
Wire sheave 33 that is fastened to 9 and has both ends of the wire 32 wound around the winding drum 30 of the drum induction machine 31 extended in the vertical direction and attached to the vertical position in the vertical post frame 12.
upper and lower wire attaching bolts 26b and 26a which are hung around a and 33b and pierce both ends of the wire 32.
The rock drill guide holder 34 locked to the above is constructed. In the figure, 35 is the main body of the rock drill,
36 is an upper end grip, 37 is a bit, 38 is a reinforcing bar, 39 is a restraining rope, and 40 is a rope roller.

The guide holder 34 for rock drill according to the present invention holds the handle of the drum induction machine 31 in the vertical post frame 12 and rotates the winding drum 30 in the reverse direction to move the rock drill guide plate 28 to the vertical post frame. 12 to the upper front position, and at that position, the lower locking plate 19 and the upper locking plate 2 of the rock drill guide plate 28 are lifted.
4 was removed, the rock drill main body 35 was joined to the front surface of the long plate 14, the upper end handle 36 of the rock drill main body 35 was fitted to the plate 21 with the locking hole, and further dropped from the drill rock main body 35. After fitting the lower end of the bit 37 into the bit groove 8 of the lower plate 11, the lower locking plate 19 is attached to the bolt nut 20.
Then, the hook 23 of the upper locking plate 24 is engaged with the hole of the plate 21 with the locking hole and the upper end is locked to the reverse L-shaped plate 22 with the bolt nut 25. The Tesaku rock machine is attached to the front of the vertical post frame 12.
In that state, as shown in FIG. 15, when the rock is excavated smoothly and the anchor holes are formed at the positions of the reinforcing bars 38 arranged in the vertical and horizontal directions, the reinforcing bar locking rods 10 on the lower surface of the vertical post frame 12 are The vertical post frame 12 is erected vertically with respect to the bedrock by being attached to the reinforcing bar 38, and three or four retaining ropes 39 whose one end is locked to the rope link 6 of the top plate 5 of the vertical post frame 12 are provided. After the rope roller 40 is attached to the reinforcing roller 39, the lower end of the restraining rope 39 is locked to the reinforcing bar 38 to tension the restraining rope 39 with the rope roller 40. Therefore, high-pressure air is sent from the compressor to the drilling machine main body 35 to apply rotation and vibration to the bit 37. An operator located on the side of the vertical post frame 12 can handle the drum induction machine 31. While holding the gripper and rotating the winding drum 30 by the ratchet mechanism in the forward direction, the rock drill guide plate 28 is lowered along the left and right guide plates 13a and 13b, and a hole is formed in the rock mass by the cutting edge of the bit 37. It is a thing. After the drilling of the predetermined depth is completed, the operation of the rock drill main body 35 is stopped, the handle of the drum induction machine 31 is rotated in the reverse direction, and the drill rock guide plate 28 is raised to the upper position in front of the vertical post frame 12. Let's bit 3
7 is pulled out from the bedrock, the winding drum 30 is stopped by the ratchet mechanism in this state, and the vertical post frame 12 is moved to the next hole making position.

Therefore, the operator can easily perform the drilling work while guiding the rock drill by operating the handle of the drum induction machine 31 without the operator holding the rock drill main body 35.
The vibration of the drilling machine body 35 does not directly propagate to the operator's hand, prevents an industrial accident such as white wax, and improves the safety during work. It plays.

[Brief description of drawings]

FIG. 1 is a front view of a rock drill guide holder according to an embodiment of the present invention, FIG. 2 is a left side view thereof, FIG. 3 is an enlarged plan view of an upper end portion of a vertical post frame, and FIG. Partly enlarged left side view, FIG. 5 is an enlarged cross-sectional view taken along the line AA of FIG. 1, FIG. 6 is a view taken along the line BB of FIG. 5, and FIG. Sectional view, FIG. 8 is a view taken along the line D-D in FIG. 7, FIG. 9 is an enlarged bottom view of the lower end of the vertical post frame, FIG. 10 is a partially enlarged left side view thereof, and FIG. Enlarged front view of rock drill guide plate, No. 12
The figure is its enlarged left side view, FIG. 13 is a view taken along the line EE of FIG. 11, FIG. 14 is a view taken along the line FF of FIG. 14, and FIG. 15 is a rock drill for a rock drill guide holder. It is the perspective view which showed the Example which mounts and makes a hole. 12 ... Vertical post frame, 13a, 13b ... Left and right guide plates, 28 ... Rock drill guide plate, 31 ... Drum induction machine,
32 ... wire, 33a, 33b ... wire sheave

Claims (1)

[Claims] 1. A left and right front support column and a left and right rear support column are opposed to each other in the front and rear direction so that both side frames and front and rear frames are connected in series, and a top plate having a rope link attached to the upper surface is fixed to the upper end of each support column and the front end is A vertical post frame is formed by projecting a triangular shape and providing a bit groove, and a lower surface plate having a reinforcing bar locking rod hung vertically on the lower surface is formed, and the left and right front columns of the vertical post frame are opposed to each other. Left and right guide plates are projected on the side faces, and sandwiching plates that fit with the left and right guide plates are projected on the upper and lower positions of both sides of the vertically long plate, and a rock drill clamp is provided at the vertical position on the front of the vertically long plate. Form a rock drill guide plate with spring-loaded wire mounting bolts by projecting guides with holes at the top and bottom positions on the back of the rock drill guide plate in the guide plates of the left and right front columns of the vertical post frame. A drum that is mounted so that it can be guided up and down, and has a winding drum pivotally supported at the center of the vertical post frame. After installing the conductor, and wrapping both ends of the wire wound on the winding drum of the drum induction machine around the wire sheaves provided at the upper and lower positions in the vertical post frame, then using the upper and lower wire mounting bolts of the rock drill guide plate. Guide holder for rock drills, characterized by being locked.