JPH07189582A - Simultaneously boring device for holes and slope face boring method using it - Google Patents

Abstract

PURPOSE:To make simultaneous boring of a plurality of holers by remote control and to enhance the safety. CONSTITUTION:A slope face boring device 10 to work through remote control is equipped with a revolving boom 11 mounted on dolly 7, guide cell 12 attached to the tip of the boom 11, drifter 13 installed with possibility of advancing and retreating on the guide cell 12, and a rod 14 which is fitted with a bit 141 and installed at the foremost of the drifter 13, wherein mounting of each guide cell 12 to boom 11 is made through an attachment 15. Each guide cell 12 is fitted with a plurality of such drifters 13 where a slide table 16 is interposed. The drifters 13 are arranged with possibility of being matched with the boring pitch and are equipped with respective bits 141 removably at the tip of the rod 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simultaneous drilling apparatus for a plurality of holes which is excellent in safety and workability, and a sloped surface drilling method using the same.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 15, there is known a slope drilling device 8 for simultaneous drilling in which a drifter 82 and a bit 83 are attached to two or three guide cells 81 so as to be able to move forward and backward. Further, as shown in FIGS. 16 and 17, there is also known a slope drilling device 9 in which a boom 91 and a drifter 94 are attached to a traveling carriage 7 such as a crane truck or a caterpillar truck. The slope face drilling device 8 for simultaneous drilling has two or three guide cells 81 to which a drifter 82 is attached so as to be able to move forward and backward, and a bit 83 as a cutting blade is attached to the tip of the drifter 82. It is called a 2 or 3 boom crawler type or wheel type jumbo.

On the other hand, in the slope drilling device 9, as shown in FIG. 17, one guide cell 93 is provided at the tip of one boom 91.
Is attached to the guide cell 93, one drifter 94 and a bit 95 are attached to the guide cell 93, and one hole is automatically and sequentially drilled at a plurality of points on the slope by swinging the tip of the boom 91. This is for going (for example, Japanese Patent Publication No. 2-57612). Since all the slope drilling devices 8 and 9 can be drilled on a slope, etc. by remote control, it is not necessary to form a scaffold for drilling on slopes at high altitudes, which is preferable in terms of safety management for workers at high altitudes. Is.

[0004]

However, the prior art has the following problems. The slope drilling device 8 is 2
Although there is an advantage that ~ 3 holes can be drilled at the same time, it has a large-scale device and a high cost because it has 2-3 guide cells 81, and a drifter 82 and a bit 83 attached thereto.

On the other hand, as shown in FIG. 17, the slope-drilling device 9 punches holes one by one on the slope by the swinging operation of the tip of the boom 91. Compared with the surface drilling device 8, the workability is still not good. In view of the problems of the prior art, the present invention is a simultaneous multiple hole drilling device that can simultaneously drill holes on a slope by remote control and is excellent in safety and workability, and a slope drilling method using the same. The purpose is to provide.

[0006]

In order to solve the above-mentioned problems, the means adopted by the invention according to claim 1 will be described with reference to the drawing reference numerals used in the embodiments.
, A swingable boom 11 mounted on the base 11, a guide cell 12 attached to the tip of the boom 11, a drifter 13 attached on the guide cell 12 so as to be able to move forward and backward, and a bit attached to the tip of the drifter 13. In the slope drilling device 10 that is operated by remote control with the attached rod 14, the boom 11 has one guide cell 12 mounted with the attachment 15 interposed, and the guide cell 12 has the slide base 16 interposed. Then, a plurality of drifters 13 are attached, and these drifters 13 have a drilling pitch 62.
And a multi-hole simultaneous drilling device 1 "each of which has a bit 141 detachably attached to the rod 14 at the tip end portion of the rod 14 (see FIGS. 1 and 2).

The means adopted by the invention according to claim 2 is that "the slide base 16 includes various gears 3 such as a worm gear, a bevel gear and a face gear 3, gear transmissions 4 such as a rack and a pinion, and an air or hydraulic cylinder. 2. A plurality of drifters 13 are attached so as to be tuned to a drilling pitch by various conduction mechanisms 5 such as an accumulator and a chain conduction means or a belt conduction means.
Simultaneous multi-hole drilling device described in ".

The means adopted by the invention according to claim 3 is that "the slide base 16 is attached so as to simultaneously operate a plurality of drifters 13 through an automatic control means 72 by a remote operation in a driver's seat 71. The multiple hole simultaneous drilling device according to claim 1 or claim 2.

The means adopted by the invention according to claim 4 is that, in the case of a slope 6 such as a concrete or mortar spraying surface, the height of the slope 6 and the plural point positions 61 where the vertical and horizontal positions and the vertical and horizontal positions are different. This is a method for forming a sloped surface, characterized in that a plurality of drifters 13 attached to one guide cell 12 are simultaneously actuated and the plurality of points 61 are simultaneously drilled by remote control. "

The means adopted by the invention according to claim 5 is that "the plural point position 61 is a position where the drilling pitch 62 is 20 to 50 cm and 2 to 6 plural holes are provided. Item 4. The sloped hole drilling method according to Item 4. "

The boom 11 includes, for example, two to several arms, which can be expanded and contracted. There is a boom 11 in which one guide cell 12 is rotatably mounted with an attachment 15 interposed therebetween. Further, the boom 11 is capable of swing slide, boom rotation, and boom tilt,
It is configured to be freely rotatable so that horizontal right and left or vertical up and down movement can be performed via an accumulator. Guide cell 12
Is attached so as to be able to move forward and backward with an attachment 15 interposed between it and the boom 11. Drifter 13
Has a bit 141 that is tuneably attached to the drilling pitch 61 on the slope 6 and is removable at the tip of the rod 14.

The slide base 16 has, for example, a triangular shape, a quadrangular shape (see FIG. 2A), or a polygonal cross section, and a plurality of drifters 13 are provided on each surface with a foot base 161 interposed therebetween. Each is independently mounted so that it can move forward and backward. A plurality of slide bases 16 are provided by various gears such as worm gears, bevel gears, face gears, gear transmission means such as racks and pinions, accumulators such as air or hydraulic cylinders, and various transmission mechanisms such as chain transmission means or belt transmission means. It is preferable that the drifter 13 of FIG. As a result, a plurality of drifters 13 can be mounted on one guide cell 12 in a relatively compact manner and can operate simultaneously.

The drifter 13 applies rotation and impact to the rod 14. The method of imparting rotation includes, for example, a method using an independent rotation motor, and a rifle bar utilizing the reciprocating motion of a striking piston. There is something to call. As a method using an independent rotary motor, the number of rotations can be adjusted by, for example, a twist spline. Further, as the drifter 13, a simple leg drill type utilizing compressed air instead of hydraulic pressure can be adopted and implemented.

The slide base 16 has a power source 161, an actuator such as an air or hydraulic cylinder for transmitting the power, and a chain or belt type transmission means 162.
And a chuck 165 which holds the spindle 164 and the rod 14 with the bevel gear 163 interposed therebetween. This power transmission mechanism
It can also be configured to operate independently according to the number of the drifters 13 (see (a) of FIG. 3).

In addition to the above, the transmission transmission mechanism of the slide base 16 is, for example, a hand feed type (see FIG. 3B) or a hydraulic feed type (see FIG. 3C). And a screw feed type (see FIG. 3D). The hand feed type is
For example, a rod 171, a spindle 172, a pinion 173, a feed lever 174, a rack 175,
And a chuck 176. The hydraulic feed type is composed of a rod 181, a spindle 182, a cylinder 184 having a piston 183, and a chuck piece 185. The screw feed type is
For example, a rod 191, a spindle 192, an upper gear 193, a feed shaft 194, and a lower gear 195.
Spindle spindle gear 196 and chuck 197
And consists of.

Examples of the power source include a hydraulic type, a pneumatic type, and an electric type. Among them, the hydraulic type does not generate exhaust noise or oil mist and is significantly improved in work as compared with the pneumatic type. Further, it is preferable in terms of improvement of work efficiency and reduction of power cost due to high output and high efficiency. On the other hand, the pneumatic type (see FIG. 1 and Example 1) is compact, easy to handle and easy to maintain, so it is preferably used together with the hydraulic type.

The rotation of the bit 14 is performed by, for example, the rod 17
It may be obtained by an independent motor via 1, 181, 191 or reciprocating motion of a piston may be used. When using the reciprocating motion of the piston, a rifle bar and a ratchet mechanism are required. As a result, the reciprocating motion of the piston is converted into rotation by the rifle bar, and rotation in only one direction is given by the ratchet. There is also a structure that uses the piston itself as a rifle bar instead of the rifle bar. As a result, the entire multi-hole drilling device can be made compact, and a plurality of drifters 13 can be attached to one guide cell 12.

The hole drilling pitch is, for example, 20 to 50c.
It is preferably m. As a result, through holes for driving, for example, wing anchors, other earth retaining members, and lath tensioning auxiliary anchors in an appropriate arrangement can be simultaneously drilled in the slope 6. The number of holes drilled simultaneously is preferably, for example, 2 to 6. As a result, the plural-point positions 61 are set in various shapes such as a box shape, a line shape, a glover leaf shape, and a spiral shape. In addition, as the diameter of the hole drilled at the same time,
For example, a diameter of 20 to 40 cm, which is equal to or slightly larger than the diameter of the bit and the rod, is preferable. The drilling length (hole depth) is, for example, 5 to 5
It is about 0 cm.

It is preferable that the slide base 16 is attached so that a plurality of drifters 13 can be simultaneously operated through an automatic control means 72 by remote control in a driver seat 71. As a result, drilling becomes easier at the same time and workability is further improved.

By using the multi-hole simultaneous drilling device 1 as described above, one guide cell 12 is provided for a plurality of point positions 61 on the slope 6 whose heights, vertical and horizontal positions, and vertical and horizontal positions are different. It is possible to simultaneously operate a plurality of mounted drifters 13 and perform remote control to simultaneously drill holes at the plurality of point positions 61.

As a result, it is not necessary to assemble the scaffold for drilling on the slope of a high place or to perform the drilling work on the scaffold, and the safety can be improved.

[0022]

The operation of the simultaneous multiple hole drilling apparatus of the present invention and the sloped hole drilling method using the same will be described with reference to the drawings.

In the multiple hole simultaneous drilling apparatus 1 of the present invention, one guide cell 12 is formed by mounting a plurality of drifters 13 with a slide base 16 interposed. Therefore, by operating the guide cell 12, a plurality of drifters 13 simultaneously operate. As a result, it is possible to simultaneously drill holes at a plurality of points 61 on the slope 6.

The drifter 13 has a plurality of drifters 13 mounted with a slide base 16 interposed therebetween. The drifters 13 are mounted so as to be tuned to the drilling pitch 21 and detachable at the tip thereof. Have 14. Therefore, the gaps between the drifters 13 and the positional intervals with respect to the slope 6 are freely adjusted according to the drilling pitches at a plurality of points to simultaneously drill a plurality of holes 60 having a drilling pitch 62 of a desired shape. be able to. As the drifter 13, a simple leg drill type utilizing compressed air instead of hydraulic pressure can be adopted.

As shown in FIG. 6, when the slide base 16 is composed of various gears, gear transmission means, actuators and various transmission mechanisms, the power from the power source is transmitted to the bit at the tip of the drifter 13. It can be efficiently transmitted to the rod 14 with 141. Slide stand 16
However, the automatic control means 7 is operated by remote control in the driver's seat 71.
When a plurality of drifters 13 are attached so as to operate simultaneously through 2, the drilling work efficiency is further improved and the workability is excellent. In this case, as shown in FIG. 8, when the multi-point position 61 is a hole drilling pitch of, for example, 20 to 50 cm, and two to six holes are drilled simultaneously, the slide base 16 is Multiple drifters 13 intervening
Can be operated simultaneously. This facilitates simultaneous drilling of the plurality of holes 60 on the slope 6 and improves workability.

As described above, according to the multiple hole simultaneous drilling apparatus 1 of the present invention, it is possible to simultaneously drill holes at a plurality of points 61 on the slope 6 by remote control.
The work efficiency in drilling is improved and the workability is improved.
Further, since it is not necessary for the drilling worker to directly perform the drilling work at a high place, the safety of the drilling work is improved.

[0027]

【Example】

(Embodiment 1) In this embodiment, as shown in FIGS. 1 to 3, a slide base 16 is provided at the tip of one guide cell 11, and a plurality of drifters 13 are independently provided on the slide base 16. The present invention provides a simultaneous drilling apparatus 1 for a plurality of holes.

As shown in FIG. 1, a multi-hole simultaneous drilling device 1
Is a turnable boom 11 mounted on a traveling carriage 7 which is a caterpillar vehicle, a guide cell 12 attached to the tip of the boom 11, a drifter 13 attached on the guide cell 12 so as to be able to move forward and backward, A bit 14 attached to the tip of the drifter 13 is mounted.

As shown in FIG. 2, the drifter 13 is mounted on the slide base 16 so as to be able to advance and retreat up and down and back and forth according to the uneven shape of the multiple points 61 on the slope 6. As shown in FIG. 3B, the drifter 13 is a slide table 16 and is independently operable by a hand drill type air cylinder, and is connected to a power source 161 by a belt transmission belt. Mechanism 162
The transmission and chain transmission mechanism 163, the bevel gear 164, the spindle 165, and the chuck 166 are attached so as to be able to move forward and backward. Further, a bit 141 is detachably attached to the tip of the rod 14, and these are attached so as to be tuned to a drilling pitch 62 corresponding to a plurality of points 61 on the slope 6.

As shown in FIG. 1, the slide base 16 is automatically controlled by the remote control means 7 in the driver's seat 71.
2 is attached so that a plurality of drifters 13 can be simultaneously operated.

Next, an explanation will be given of a method for forming a sloped surface which can simultaneously form a hole on the sloped surface 6 by using the multiple hole simultaneous drilling device 1. As shown in FIG. 1, in the driver's seat 71 disposed on the traveling carriage 7, first, through the automatic control means 72,
The intervals of the plurality of drifters 13 are adjusted by the automatic control means 72 so that the pitches 62 corresponding to the positions 61 on the slope 6 can be synchronized. Next, the plurality of drifters 13 are simultaneously advanced while rotating in the direction of the slope 6. Then, while simultaneously striking the slope 6 with the plurality of drifters 13, the drifters 13 are rotated together with the rod 14 with the bit and are further advanced. Accordingly, it is possible to efficiently drill a plurality of holes 60 having a predetermined drilling pitch 62 at a plurality of point positions 61 at the same time.

Therefore, in this example, the slope 6 at a high place is
, Etc., it is possible to perform simultaneous hole drilling by remote control without the direct operator, and to perform the hole drilling work efficiently. It is possible to provide a conventional method for forming a sloped hole.
In this example, as shown in (b) to (d) of FIG. 3, the multiple hole simultaneous drilling device 1 and the simultaneous drilling device 1 for simultaneously operating a plurality of drifters 13 using each spindle type feed system. It is also possible to provide a slope face drilling method using this.
As the spindle-type feed methods, there are a hand feed method (see (b) of FIG. 3), a hydraulic feed method (see (c) of FIG. 3), and a screw feed method (see (d) of FIG. 3). . As shown in FIG. 3B, the hand feed type has a rod 171 and
It includes a spindle 172, a pinion 173, a feed lever 174, a rack 175, and a chuck 176. In the hydraulic feed system, as shown in FIG. 3C, the rod 181 and the spindle 182 are used.
And a cylinder 183, a spindle 184, and a chuck 185. As shown in FIG. 3D, the screw feed system has a rod 191, a spindle 192, an upper gear 193, a feed shaft 194, a lower gear 195, a spindle bush gear 196, and a chuck 197. Consists of.

As the power source, for example, a hydraulic type and a pneumatic type are used together. In this example, as shown in FIG. 5, a multi-hole simultaneous cutting capable of simultaneously operating a plurality of drifters 13 is provided by a transmission mechanism 5 of various feed systems such as a hand feed system, a hydraulic feed system, and a screw feed system of a spindle type. A perforation device 1 can also be provided. Therefore, in the comparatively compact slide stand 16 shown in FIG.
It is possible to provide a simultaneous multi-hole drilling device 1 capable of simultaneously operating.

Then, similarly to the case of using the multiple hole simultaneous drilling apparatus 1, it is possible to drill efficiently and safely at a plurality of points 61 on the slope 6 at the same time.

(Embodiment 2) In this embodiment, as shown in FIGS. 7 to 14, the simultaneous use of the multiple hole simultaneous drilling device 1 on the slope 6 is performed simultaneously with respect to a plurality of points 61 on the slope 6. It is intended to provide a method for forming a slope in a wing lock method for making a hole.

First, the multi-hole simultaneous drilling device 1 is installed on the road below the slope 6 such as the existing concrete or mortar spraying surface 2. In this case, if there is unevenness as shown by the dotted line on the existing concrete or mortar spraying surface 2, it is better to cut this surface or spray more mortar and flatten it. is there.

Next, as shown in FIG. 8, with respect to a plurality of point positions 61 on the slope 6, vertical and horizontal and vertical and horizontal drilling pitches 6 are formed.
The four drifters 13 are arranged so that 2 has a substantially constant interval. Next, as shown in FIG. 9, the slide table 16 is held with the intervals between the plurality of drifters 13 kept substantially constant.
The attachment 1 moves up and down, and the boom 1
By the extension / contraction motion of 1, the position of the drifter 13 is moved forward while corresponding to the plural-point position 61. As a result, FIG.
As shown in FIG. 4, the plural box-shaped holes 60 having a substantially box shape are formed on the slope 6 by simultaneously drilling the respective apexes of the substantially rhombic quadrangle.
Can be drilled.

Next, as shown in FIG. 11, the earth retaining blades (wing portions) are provided in the plurality of holes 60 at each apex of the substantially rhombic quadrangle.
The attached anchor 65 is placed. As a result, on the slope 6, it is possible to arrange the earth retaining members having a zigzag anchor anchoring shape. Next, as shown in FIG. 12, base sand 64 is sprayed on the slope 6 to form a sand base layer 64A having a thickness of about 12 cm.

Next, as shown in FIG. 13, a thick layer base material 63 containing long fibers is sprayed onto the sand base layer 64A to form a thick layer base material layer 63A having a thickness of about 3 to 4 cm. . As a result, as shown in FIG. 14, the thickness is about 15 to 1
Forming a deep bed layer 66 for vegetation consisting of a 6 cm two-layer structure,
Various plants 67 with good rooting can be planted, and the entire slope 6 can be efficiently greened.

Therefore, according to the present example, a plurality of holes 60 are simultaneously drilled on the slope 6 by using the multiple hole simultaneous drilling device 1, and at the same time, the bladed anchor 63 as a soil retaining member is provided in the plurality of holes 60. The deep bed layer 66 for vegetation, which is optimal for plants, can be firmly held by casting.

[0041]

As described in detail above, in the invention according to claim 1, as illustrated in claim 1, "a swingable boom 11 mounted on the traveling carriage 7 and the boom 1" is provided.
1. A guide cell 12 attached to the front end portion of No. 1, a drifter 13 attached to the guide cell 12 so as to be able to move forward and backward, and a rod 14 with a bit 141 attached to the front end portion of the drifter 13 are operated by remote operation. In the slope drilling device 1, the boom 11 is provided with one guide cell 12 with an attachment 15 interposed, and the guide cell 12 is provided with a plurality of drifters 13 with a slide base 16 interposed. , These drifters 13 are mounted tuneably to the drilling pitch 62 and the rod 1
4 has a detachable bit 141 at each of the tip end portions of 4 ”, which makes it possible to simultaneously drill a plurality of holes 60 on the slope 6 and simultaneously provide a plurality of holes with excellent safety and workability. The drilling device 1 can be provided.

According to the multi-hole simultaneous drilling apparatus 1 of claim 2, the slide base 16 is composed of various gears 3, gear transmission means 4, an accumulator such as an air or hydraulic cylinder, and various transmission mechanisms 5. Therefore, the power from the power source can be efficiently transmitted to the rod 14 with the bit at the tip of the drifter 13.

According to the multiple hole simultaneous drilling apparatus 1 of the third aspect, the slide base 16 is remotely operated in the driver's seat 71 through the automatic control means 72 through the plurality of drifters 13.
Since they can be simultaneously operated, cutting work is improved and workability is excellent.

According to the method of boring a slope according to claim 4, the boom is interposed at a plurality of points 61 on the slope 6 where the height of the slope is different and the vertical and horizontal positions are different from each other. Since a plurality of drifters 13 attached to the guide cell 12 of the book can be simultaneously operated, it is possible to simultaneously drill holes at the plural point positions 61 by remote control.

According to the method of drilling a sloped surface according to the fifth aspect, the plural point positions 61 are at a drilling pitch of 20 to 50 cm and 2 to 2.
Since the six plural holes 60 are provided, it is possible to simultaneously operate a plurality of drifters 13 with the slide base 16 interposed therebetween, which facilitates simultaneous drilling of the plural holes 60 on the slope 6, resulting in workability. Is improved.

[Brief description of drawings]

FIG. 1 is an overall explanatory view of a multiple hole simultaneous drilling device according to a first embodiment.

FIG. 2 is an enlarged explanatory view of a main part of the multiple hole simultaneous drilling device according to the first embodiment.

FIG. 3 is an enlarged side view of an essential part of the multiple hole simultaneous drilling device according to the first embodiment.

FIG. 4 is a partially enlarged view of a compact slide base.

FIG. 5 is a partially enlarged cross-sectional view of a conduction mechanism that operates a plurality of drifters.

FIG. 6 is a partially enlarged view showing another slide base.

FIG. 7 is an explanatory view showing a ground leveling operation in a substantially flat slope in Example 2;

FIG. 8 is a plan view showing an example of positions of a plurality of points on a slope in the second embodiment.

FIG. 9 is a front view showing an aligned state of a plurality of drifters according to a second embodiment.

FIG. 10 is a plan view showing a box-shaped arrangement state of a plurality of holes in the second embodiment.

FIG. 11 is a plan view showing an arrangement state of anchors in the second embodiment.

FIG. 12 is a cross-sectional view showing a sand base layer and the like formed on the slope in Example 2.

FIG. 13 is a cross-sectional view of a deep vegetation bed layer having a two-layer structure of a sand base layer and a thick base material layer formed on a slope in Example 2.

FIG. 14 is a cross-sectional view showing a vegetation state of a deep bed layer for vegetation formed on a slope in Example 2.

FIG. 15 is a perspective view showing an example of a conventional slope face drilling device for simultaneous drilling.

FIG. 16 is a perspective view showing an example of a sloped surface drilling device that can be remotely operated by a boom arranged on a conventional traveling carriage.

FIG. 17 is an explanatory view showing a swinging state of a conventional boom.

[Explanation of symbols]

 1 Multiple Hole Simultaneous Drilling Device 11 Boom 12 Guide Cell 13 Drifter 14 Rod 141 Bit 15 Attachment 16 Slide Stand 6 Slope 60 Multiple Hole 61 Multiple Point Position 62 Drilling Pitch

Claims (5)

[Claims] 1. A swingable boom mounted on a traveling carriage, a guide cell attached to the tip of the boom, a drifter attached to the guide cell so as to be able to move forward and backward, and attached to the tip of the drifter. In the slope drilling device that operates by remote control with a rod with a bit,
One guide cell is attached to the boom via an attachment, and a plurality of drifters are attached to the guide cell via a slide stand. These drifters are synchronized with the drilling pitch. A simultaneous drilling apparatus for a plurality of holes, characterized in that each of them has a bit which is attached so that it can be attached and detached at a tip portion of a rod. 2. The slide base comprises various gears such as worm gears, bevel gears, face gears, gear transmission means such as racks and pinions, accumulators such as air or hydraulic cylinders, and various transmission mechanisms such as chain conduction or belt conduction. 2. A simultaneous drilling device for multiple holes according to claim 1, wherein a plurality of drifters are attached so as to be tuned to the drilling pitch. 3. The plurality of slide units according to claim 1, wherein the slide base is mounted so that a plurality of drifters can be simultaneously operated through an automatic control means by remote control in a driver's seat. Simultaneous hole drilling device. 4. On a slope such as concrete or mortar sprayed surface, a plurality of drifters attached to one guide cell are provided at a plurality of points where the height of the slope and the vertical, horizontal and vertical and horizontal positions are different. A sloped hole drilling method characterized in that the holes are simultaneously drilled at a plurality of points by remote operation by simultaneous operation. 5. The drilling pitch is 20 to 20 at the plurality of points.
The method for forming a sloped surface according to claim 4, wherein the position is 50 cm and is a position for providing a plurality of 2 to 6 holes.