JP2001241282A - Method and device for drilling inclined land - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently and deeply drill natural ground. SOLUTION: A seat frame 13 is assembled in inclined natural ground 1 requiring drilling, a sliding rail 18 is arranged at specific intervals up and down on the seat frame, at the same time, a leg material 17 of the sliding rail is mounted to a footing material 16 of the seat frame, a mounting sled 20 of a drilling machine A is placed while the mounting sled strides over at least two sliding rails, and a sled is horizontally and vertically slid by winding and rewinding a wire.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for perforating an inclined ground for fixing a pressure receiving material (support plate) of a slope stabilization method to a ground.

[0002]

2. Description of the Related Art As shown in FIGS. 6 and 7, a slope stabilization method (non-frame method) is to attach a wire rope 2 crossing vertically or horizontally or diagonally on a ground 1 and to attach each wire rope 2 to the ground. The terminal is stopped at the ground 1 by an appropriate means.

In the vicinity of each intersection of the wire rope 2 or in the vicinity of predetermined interspersed intersections, drilling is performed while excavating from the ground 1 to the ground (depth of 4 to 6 m). Grout material 5 to be filled while steel bar 4 is inserted into 3
The steel rod 4 is fixed to the perforation 3 by the above.

After the head end of the steel rod 4 is passed through the through hole 7 at the center of the pressure receiving material 6 carried into the ground 1, a fastening member 8 is screwed into the head end of the steel rod 4. The wire rope 2 is pressed into the ground 1 via the pressure receiving material 6 to stabilize the slope (ground 1).

As a conventional technique for performing the above-described slope stabilization drilling, a hand drill is manually carried to a drilling position, and drilling is performed while gripping the drilling machine.

[0006]

According to the above-described drilling method, a hand drill is used for carrying and gripping by hand, so that the drilling power (horsepower) is weak and the drilling is performed by geology (hard or rock). In addition, there are problems such as inconvenience that it is difficult to perform the perforation and that the work efficiency is poor.

[0007] In particular, there is a problem that smooth movement is not possible due to danger due to poor scaffolding.

Therefore, an object of the present invention is to provide a powerful drilling force, which can drill a deep hole, smooth movement to a drilling point, and significantly improve drilling efficiency. It is to have done.

[0009]

In order to solve the above-mentioned problems, the present invention provides a seat frame formed by connecting scaffolding members parallel to each other by a connecting member at a perforated place on an inclined ground. Along with arranging up and down a predetermined interval on the seat frame, downwardly protruding leg members are supported by the seat frame via appropriate fixing means, and the sliding rails are arranged, and the drilling machine is placed on the sliding rail. Place the mounting sled, take up the wire with a winch or the like, and move the sled to the excavation position while sliding the sled in the vertical and horizontal directions by rewinding. The method of perforating a sloped land, which is characterized in that it is performed, is adopted.

In addition, a scaffold provided by connecting scaffolding members parallel to each other at a perforated place on an inclined ground is connected to a connecting member. A sliding rail in which leg members projecting downward are supported on the seat frame via appropriate fixing means, a sled placed so as to straddle at least two of the sliding rails, and a drilling machine mounted on the sled, A perforation device including a winch and a rewind wire provided by a winch provided so as to allow the sled to travel vertically and horizontally is employed.

Further, the sliding rail is constituted by a pipe of a fixed length arranged in series, an intermediate member having the same diameter as the pipe, and a fitting member projecting from both ends of the intermediate member and fitting into the pipe. Or a sliding rail, a pipe of a certain length arranged in series, an intermediate member of the same diameter as this pipe,
The intermediate member may be constituted by a fitting member projecting from both ends and fitted into the pipe, and a leg member projecting from the intermediate member.

[0012]

Embodiments of the present invention will be described with reference to the accompanying drawings.

In the first embodiment of the present invention, as shown in FIG. 1 to FIG. There is provided a seat frame 13 connected and assembled by 14.

The assembling of the seat frame 13 is performed by connecting a connecting member 14 such as a pipe arranged on the ground 1 at a predetermined interval on the left and right sides of the ground 1 and a predetermined interval above and below the connecting member 14. And a scaffold 16 fixed to the connecting member 14 by appropriate fixing means (a known pipe clamp fitting in which a pair of clamp fittings 15 are rotatably connected via pins in the case shown). , But may be assembled by other methods.

In short, the object is to arrange a large number of scaffolds 16 vertically.

On the seat frame 13, a sliding member is provided which is vertically arranged at predetermined intervals, and which has leg members 17 projecting downward from scattered positions attached to the seat frame 13 by appropriate means and supported. A rail 18 is provided.

In the illustrated case, the leg member 17 is attached to the scaffolding member 16 by using a pipe clamp member in which a pair of clamp members 19 are rotatably connected via pins in the case shown in the figure, and assembled. Although the workability of the disassembly is made easy, it can also be attached using a number line or the like.

Furthermore, at least two sliding rails 18
A drilling machine A is mounted on a sled 20 placed on the sliding rail 18 so as to straddle the vehicle.

In the illustrated example, the drilling machine A winds the wire 22 by operating the first winch 21 and unwinds the wire 22 so that the wire 22 is raised and lowered with the support shaft 23 at the lower end as a fulcrum (it may be raised and lowered by other means). Guide pillar 24 and this guide pillar 2
The slider 25 is configured to move up and down using the slider 4 as a guide, and a motor 27 having a chuck 26 installed on the slider 25. The chuck 26 supports the end (head end) of the steel rod 4 having a bit 28 at the tip.

As shown in the figure, when the wire 30 wound and unwound by the second winch 29 and the slider 25 are connected to each other, the slider 25 is pulled up to the upper end of the guide post 24 and the steel bar 4 is built. In addition, a downward force can be applied to the steel rod 4 during drilling.

In the figure, reference numeral 31 denotes a through hole of the steel rod 4 provided in the sled 20.

Next, a drilling method using the drilling machine having the above configuration will be described.

As shown in FIG. 1, the sled 20 is placed on the slide rail 18 and the wire 33 of the third winch 32 installed above the seat frame 13 is attached to the sled 20 at the upward end thereof. Engages.

The third winch 32 may be mounted on the sled 20, the sheave may be supported on the ground 1 above the seat frame 13, and the wire 33 may be engaged with the sheave.

Further, the sled 20 can be moved laterally by rewinding one of the left and right wires 35, 36 with respect to the other.

The above-mentioned wires 35 and 36 draw out the wires 35 and 36 of the fourth winch 37 and the fifth winch 38 installed on both sides of the end of the sled 20 in the case shown in the figure, and connect the tips of the wires 35 and 36 to the ground. 1 anchor 39
, But may be reversed.

Then, winding and rewinding of the wire 33,
The sled 20 is moved while sliding on the sliding rail 18 in the up-down direction or the left-right direction by the operation of winding and rewinding the wires 35, 36, and the wires 2, 2
The through hole 31 can be stopped in the vicinity of the desired intersection.

After the head end of the steel rod 4 is gripped by the chuck 26 of the drilling machine A and the tip bit 28 of the steel rod 4 is passed through the through hole 31, the steel rod 4 is rotated by the motor 27. Excavation is performed from the ground 1 into the ground while the slider 25 is self-weighted or forcedly lowered as necessary.

When the steel rod 4 reaches a predetermined depth in the ground due to the excavation, the grout material 5 is inserted into the perforation 3 as shown in FIG.
After the steel rod 4 is fixed, the pressure-receiving member 6 is placed by passing the head end side of the steel rod 4 through the through hole 7, and then the fastening member 8 is screwed into the receiving end of the steel rod 4. Then, the wire 2 is pressed into the ground 1 by the pressure receiving plate 6.

The supporting leg 17 of the sliding rail 18 is
An upper end may be provided on the lower peripheral surface of the slide rail 18 by, for example, welding.

In the second embodiment of the present invention, as shown in FIGS. 2, 3 and 4, the sliding rail 18 comprises a pipe 41 having a fixed length and an intermediate member 42 having the same diameter as the pipe 41. ,
A fitting member 43 protruding from both ends of the intermediate member 42 and fitted from the end of the pipe 41 is provided.

Then, the sliding rail 18 can be formed by adding the required number of pipes 41, and the smooth sliding of the sled 20 can be ensured because the pipe 41 and the intermediate member 42 have the same diameter.

Of course, since it can be assembled and disassembled, handling is easy.

In the third embodiment of the present invention, the leg member 17 is provided on the intermediate member 42 as shown in FIGS.
Then, both ends of the pipe 41 are supported by one leg member 17.

The number of the leg members 17 is not limited to one, and two leg members 17 may be provided.

[0036]

According to the method and the apparatus for piercing an inclined ground according to the present invention, it is possible to pierce the ground by using a piercing machine mounted on a sled. Drilling on hard ground is facilitated.

Further, since the sled is slid on the sliding rails which are supported on the seat frame and arranged vertically, the sled can be smoothly slid, and the sled can be freely moved to a predetermined position in the vertical and horizontal directions by winding and rewinding the wire. Can be moved.

Further, since a pipe of a fixed length can be successively added by an intermediate member having a fitting member, the pipe can be assembled and disassembled for easy handling. Can run smoothly.

Also, since the intermediate member is provided with the leg material,
Both ends of the pipe can be stably supported.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is an enlarged plan view of the main part.

FIG. 3 is a longitudinal enlarged side view of the main part.

FIG. 4 is an enlarged front view of the same.

FIG. 5 is a partially cutaway plan view of the drilling machine.

FIG. 6 is a plan view showing the arrangement of pressure receiving members.

FIG. 7 is an enlarged longitudinal side view showing a main part of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ground 2 Wire rope 3 Drilling 4 Steel rod 5 Grout material 6 Pressure receiving material 7 Through hole 8 Clamping fitting 11 Scaffolding material 13 Seat frame 14 Connecting material 15, 19 Clamp fitting 16 Scaffolding material 17 Leg material 18 Sliding rail 20 Sledge 21 First winch 22, 30, 33, 35, 36 Wire 23 Support shaft 24 Guide post 25 Slider 26 Chuck 27 Motor 28 Bit 29 Second winch 31 Through hole 32 Third winch 34 Sheave 41 Pipe 42 Intermediate member 43 Fitting member

Claims (4)

[Claims] 1. After providing a seat frame formed by connecting scaffolding materials parallel to each other at a perforated place on an inclined ground with a connecting material,
While arranging this seat frame up and down with a predetermined interval,
The downwardly projecting leg members are supported by the above-mentioned seat frame via appropriate fixing means, and the sliding rails are arranged, and the mounting sled of the drilling machine is placed on the sliding rail, and the wire is wound up by a winch or the like. A method of piercing a sloping ground, wherein the sled is moved to an excavation position while the sled is slid in the vertical direction and the horizontal direction, and then the hole is drilled by the drilling machine. 2. A scaffold provided by connecting scaffolding members parallel to a perforated place on an inclined ground to a connecting member, and arranged at predetermined intervals vertically on the seating frame. A sliding rail in which leg members projecting downward are supported on the seat frame via appropriate fixing means, a sled placed so as to straddle at least two of the sliding rails, and a drilling machine mounted on the sled, A punching device comprising a winding and rewinding wire provided by a winch provided to allow the sled to travel vertically and horizontally. 3. A pipe having a certain length in which the sliding rails are arranged in series, an intermediate member having the same diameter as the pipe, and a fitting member protruding from both ends of the intermediate member and fitting into the pipe. The drilling device according to claim 2, wherein the punching device is configured. 4. A pipe having a certain length in which the sliding rails are arranged in series, an intermediate member having the same diameter as the pipe, a fitting member projecting from both ends of the intermediate member and fitting into the pipe. 3. The drilling device according to claim 2, wherein the drilling device comprises a leg member protruding from the intermediate member.