JPH02213584A - Horizontal hole drilling device - Google Patents

Abstract

PURPOSE:To make a worker unnecessary to move near a rotary driving device and a rotary chuck device and improve safety by providing an auger fitting/ removing device constituted of opening/closing type holding tools and a rotary arm on a frame. CONSTITUTION:A frame 4 is fixed in a vertical hole or a groove, and the rotary driving device of an auger 19 is reciprocatably installed on it. A rotary chuck device 22 is fitted to the rotary driving device 20, and the rear end of the preceding auger 19 is held when the auger 19 is to be extended or released. An auger fitting/removing device 40 which holds the auger 19 with opening/closing type holding tools 46 end 47 and rotates the holding tools 46 and 47 between the preset position and the position on the axial line of the chuck device 22 with a rotary arm 44 is provided. An auger lifting device and an operating device are added to allow the remote operation from the ground.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention is applicable to pipes for storing telephone lines, signal lines, power lines, etc. buried underground, or horizontal holes for constructing gas pipes, water pipes, etc. This invention relates to a horizontal hole excavation device using a screw-jointed second auger for digging a relatively small diameter side hole.

(Conventional technology) A horizontal hole drilling device using a conventional screw-type auger is
The horizontal hole drilling device is moved up and down along the vertical hole, and with the horizontal hole drilling device pulled up, the auger is attached to the rotary chuck device provided in the rotation drive device, and the horizontal hole drilling device is lowered to the bottom of the vertical hole and driven to rotate by the preceding auger. It was constructed so that a trailing auger attached to the device could be added and excavated by remote control from the ground (Japanese Patent Application Laid-open No. 17692/1983).

(Problem to be solved by the invention) However, in conventional horizontal hole drilling equipment, the structure is such that the auger is directly attached to the rotary chuck device by the worker, so when attaching or detaching the auger, the rotary drive device may be accidentally activated. However, there was a problem that workers could be injured.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, it is an object of the present invention to provide a horizontal hole excavation device configured to allow safe attachment and detachment of an auger.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a horizontal hole drilling device using a screw-type auger, which includes a frame fixed in a vertical hole or a groove, and an ih a rotary drive device for the auger that is freely installed; a traverse device that moves the rotary drive device forward and backward; a rotary chuck device that is attached to the rotary drive device and that detachably grips the rear end of the auger; and a front end of the frame. a fixed chuck device that is attached to the frame and grips the rear end of the preceding auger on the axis of the rotary chuck device when adding or detaching the auger; and an auger attaching/detaching device installed on the frame; The device includes an openable/closable gripper that grips the auger, supports the gripper, and rotates the gripper between a predetermined position outside the movement path of the rotary drive device and a position on the axis of the rotary chuck device. It is characterized by comprising a rotating arm that is moved and a drive means for the rotating arm.

The configuration of the present invention can be adopted for both systems that are operated by a worker entering a vertical hole or trench, and systems that are operated remotely from the ground. , an auger lifting device for lifting and lowering an auger pedestal between the predetermined position and an auger mounting position on the top of a vertical hole or groove or on the ground; the auger lifting device; the auger attaching/detaching device; the rotation drive device; An operating device for operating the rotary chuck device and the fixed chuck device from the ground is added.

(Function) In the present invention, when a worker enters a vertical hole or trench to perform work, the horizontal hole is excavated in the following manner.The horizontal hole drilling device is lowered to the bottom of the vertical hole or trench and the frame is installed. The frame is equipped with a 0-rotation drive device that excavates by moving the rotary drive device forward using a traverse device while holding the auger with a bit in a fixed one-rotation chuck device, and by operating the one-rotation drive device to rotate the auger in the forward direction. When the rotary drive device advances to the front end, the forward movement of the rotary drive device and the rotation of the auger are stopped, the one-turn chuck device is opened to release the auger with the bit, and the rotary drive device is moved backward by the traversing device.
When the auger is retracted to the rear end, the rotary drive device is retracted and the auger rotation is stopped.

Next, the next auger is gripped by the open/close type gripper located outside the movement path of the rotary drive device, and the rotary arm is rotated to position the auger on the same axis in front of the rotary chuck device, and in this state, the auger is driven to rotate. The device is moved forward slightly and the auger is gripped by the one-turn chuck device, and the opening/closing type gripping tool is first opened to operate the rotating arm and the gripping tool is returned to the predetermined position.

Next, if necessary, the rear end of the auger with a bit, whose rear end is exposed in the vertical hole, is gripped by a fixed chuck device, and the rotation drive device is operated to rotate the trailing auger in the normal direction and move it forward. Connect the trailing auger to the attached auger using a screw method. By repeating such operations, a horizontal hole is excavated.

In a device configured to be remotely controlled by installing an operating device on the ground, when the auger is to be held by the opening/closing type gripping device, the auger lifting device is operated in the upward direction and the auger holder is moved to the top of the vertical hole or groove or The auger is raised to the auger mounting position on the ground, set on the auger cradle, and the auger lift device is operated in the downward direction to lower the auger to the predetermined position where it can be gripped by the gripper, and one gripper is closed. grasp.

When recovering the auger, replace the bit of the auger with a bit and connect it to the new pipe, and pull out the second auger one tree at a time while pulling the new pipe out to the vertical hole or groove. In this recovery operation.

When removing the auger, the rear end of the leading auger is gripped by the fixed chuck device, the trailing auger gripped by the rotary chuck device is reversed, and the rotary drive device is moved backward to remove the auger. Then, in this detached state, the rotary arm is rotated, the gripping tool grips the trailing auger, the rotary chuck device releases the trailing auger, and the rotary drive device is moved slightly backward, and the rotary chuck device is released. While not interfering with the auger, rotate the rotating arm in the opposite direction to return the gripping tool to the predetermined position;
Open the gripper and remove the auger.

In the case of the above-mentioned remote method, after placing the auger on the auger cradle in a vertical hole or trench, the auger lifting device is operated in the upward direction to raise the auger cradle to the ground or the top of the vertical hole. A worker on the ground takes out the auger and lowers the auger cradle again to the predetermined position in the vertical hole.

(Embodiment) An embodiment of the horizontal hole drilling apparatus of the present invention will be described below with reference to the drawings, taking as an example an above-ground remotely controlled type. FIG. 1 is a side view showing the horizontal hole drilling device in a working state, and FIG. 2 is a front view thereof. 1 is a vertical hole (which may be a trench) excavated from the ground; 1 Usually, sheet piles or a casing are installed on the inner wall of the vertical hole to prevent the vertical hole from collapsing, but these are not shown. 2 is a horizontal hole drilling device fixed to the bottom of the vertical hole 1, and 3 is a support vehicle installed on the ground above the vertical hole l.

The horizontal hole drilling device 2 is constructed as shown in a side view in FIG. 3, a front view in FIG. 4, and a plan view in FIG. 5. Third
In the figures to FIG. 5, reference numeral 4 denotes a frame fixed to the bottom of the vertical hole.1 The frame 4 of this embodiment is shown as a split type consisting of a fixed frame 5 and a movable frame 6, but It may also be configured in a split type.

The fixed frame 5 is constructed by connecting the middle portions of left and right beams 7.7 with a beam 8. In addition, fixing devices 9 are attached to the front and rear of the left and right beams 7 to press against the inner walls of the vertical holes. Each fixing device 9 is
A screw jack 11 with a built-in gear and a shaft lO that is fitted onto an operating rod (not shown) from the ground and moved; a fixed plate 12 that is attached to the output shaft and presses against or separates from the inner wall of the vertical hole; Consisting of

The movable frame 6, as shown in FIGS. 3 and 5,
Brackets 14 provided on both sides of the movable frame 6 are rotatably connected to the brackets 13 provided at the intermediate portions of the left and right beams 7. A turnbuckle 17 is attached between the movable frame 6 and the fixed frame 5, and by turning the turnbuckle 17 in the forward and reverse directions, the movable frame 6 rotates around the bin 15, and the inclination angle of the movable frame 6 with respect to the fixed frame 5 is adjusted. It is composed.

A pair of parallel guide rails 18.
1 by engaging the four grooved guide rollers 21 provided at the bottom of the 0 with the guide rail 18 in a freely rolling manner.
A rotary drive device N20 is movably installed. The rotary drive device 20 has a rotary chuck device 22 at the front portion that grips the rear end 19a of the auger 19, and a zero-rotation chuck device @22 having a hydraulic motor 23 that rotates the auger 19 is shown in FIG. As shown, three gripping claws 22a are arranged so as to be opened and closed radially by a built-in actuator.

2. As shown in FIGS. 4 and 5, on both sides of the rotary drive device 20, there are traverse hydraulic motors 24 for advancing and retracting the rotary drive device 20. A rack 26 in which a pinion 25 attached to the output shaft of 24 is provided on the movable frame 6 in parallel to the guide rail 18.
The rotary drive device 20 is configured to move forward and backward by forward and reverse rotation of the hydraulic motor 24.

As shown in FIGS. 4 and 5, a fixed chuck device 30 is provided at the front of the movable frame 6 for gripping the rear end 19a of the preceding auger 19 on the same axis as the rotary chuck device 22. . The fixed chuck device 30 includes hydraulic cylinders 31, 32 attached to the left and right sides of the movable frame 6, and a pair of gripping claws 33, 34 attached to the left and right sides so as to be openable and closable.

It consists of a link mechanism 35, 36 that connects each hydraulic cylinder 31, 32 and a gripping claw 33, 34, respectively, and by expanding and contracting the hydraulic cylinder 31, 32, one gripping claw 33, 34 can be opened and closed to the left and right. Rear end 19a of auger 19
It is configured so that it can be grasped and released.

Reference numeral 40 denotes an auger attachment/detachment device, and the configuration of the auger attachment/detachment device 40 will be explained with reference to FIGS. 3 to 8. FIG. 6 is a front view showing the upper configuration of the auger attaching/detaching device 6, and FIG.
FIG. 8 is an enlarged right side view of the figure and a partially cutaway front view showing the auger attachment/detachment M40 and the auger lifting/lowering device 55. The auger attachment/detachment M40 includes a bracket 4 bolted onto the movable frame 6, as shown in FIGS. 3 to 5 and 8.
1, a hydraulic rotating cylinder 42 mounted on the bracket 41, and a rotating arm 44 mounted on a rotating shaft 43 of the rotating cylinder 42.

As shown in FIGS. 5 to 8, the rotating arm 44 includes left and right vertical frames 44a, a horizontal frame 44b integrally installed between the left and right vertical frames 44a, and a horizontal frame 44b provided at the tip of the vertical frame 44a. It consists of a vertical frame 44c.

At the tip of the vertical frame 44c of the rotating arm 45, a pair of gripping tools 46.47 each having an arcuate cross section are attached to shafts 45.45 (these shafts 45 In the closed state, as shown in FIG. It is formed into an arcuate surface that grips the blade portion of the auger 19, and has a gripping surface of 180 degrees or more.

50 is a hydraulic cylinder that opens and closes the gripping tools 46 and 47, and the piston rod of the hydraulic cylinder 50 and the gripping tool 4
brackets 85.86 welded to links 48.49 and bins 87.88.8, respectively.
9, and by extending the hydraulic cylinder 50, the first gripping tool 46, 47 can be closed and the auger 19 can be gripped as shown by the solid line in FIG.
0, the grip on the auger 19 can be released, as shown by the two-dot chain line f in FIG.

Further, as shown in FIG. 8, stoppers 51 are welded to the left and right vertical frames 44a of the rotating arm 44, and the stoppers 51
is the axis of the auger 19 that comes into contact with the movable frame 6 and is held by the gripping tools 46 and 47 by rotating the rotating arm 44 in the range of θ between the solid line and the two-dot chain line a. is configured to coincide with the axis S of the rotary chuck device @22. Moreover, when retracting the one-swivel arm 44 out of the moving path of the rotary drive device 20, the bracket 41 has a
Stoppers 82 are attached to the left and right vertical frames 44a to restrict the bottle retraction position of the grippers 46,47. By providing such stoppers 51, 82, even when the rotary cylinder 42 is repeatedly rotated, deviations in the rotation angle are prevented from occurring.

In addition, the gripping tool 46 inside the rotation center of the rotation arm 44 is
By making the gripping tool 47 on the outside of the center of rotation shorter, the auger 19 can be gripped over a semicircle or more by the gripping tool 46.47, and the gripping tool 46.47 can be held up when the rotating arm 44 is rotated.
Although the configuration is such that there is no risk of the auger 19 being pulled out, when the gripping tools 46 and 47 are opened and evacuated, the gripping tools 46 will be pulled out of the auger 19 as shown by the two-dot chain line.
The structure is such that the rotating arm 44 can be rotated in the retracting direction without being interfered with.

As shown in FIGS. 3 to 5 and 8, the auger lifting device 55 includes a two-stage telescoping hydraulic cylinder 56 as a lifting means, and the bottom side flange of the hydraulic cylinder 56 is
A bracket 61 is fixed by bolts 59 to a Z-shaped bracket 58 attached to the movable frame 6 by bolts 57, and has an auger holder 60 at the tip of the piston rod.
Install.

As shown in FIGS. 5 and 8, the auger cradle 60 has two
Two arms 65, 66 are provided at intervals, and each arm 6
At 5.66, semicircular recesses d and e are formed into which the male threaded portion of the front end 19b and the female threaded cylindrical portion of the rear end 19a of the auger 19 are fitted, respectively. Further, in order to prevent the auger pedestal 60 from rotating around the axis of the hydraulic cylinder 56, two-stage telescopic rods 62 are arranged side by side and connected by brackets 61. That is, the lowermost rod of the two-stage telescoping rod 62 is connected to the tube of the hydraulic cylinder 56 with a connecting fitting 67, and the bracket 61 is connected to the tip of the piston rod of the hydraulic cylinder 56 and the end rod of the two-stage telescoping rod 62 with the bolt 63. They are commonly connected by .64.

With this configuration, when the hydraulic cylinder 56 is extended, the auger pedestal 60 rises to the top of the vertical hole or to the ground, as shown by the two-dot chain line C in FIG. When the hydraulic cylinder 56 is contracted, the gripping tool 46.
The auger 19 is set to descend into the inside of the 47.

As shown in FIGS. 1 and 2, the support vehicle 3 is made of steel or the like, and has wheels 70 for movement on the lower surface.
A manual winch 71 that is rotated by a handle 72 is mounted on the upper part, and the robe 7 is wound up and unwound by the winch 71.
3 is hung on the sheave 75 on the hanging frame 74 framed on the fixed frame 5, and the end of the lobe 73 is attached to the winch 7.
Connected to frame 1.

Further, the support vehicle 3 is equipped with a control unit 76 that connects a hydraulic hose and a power cable (both not shown) from a power unit having a hydraulic power source and a power source mounted on one work vehicle (not shown), and , an operation switch for remotely controlling the hydraulic motor 23, the rotary chuck device 22, the fixed chuck device 30, the rotary cylinder 42, and the hydraulic cylinder 56 of the rotary drive device 20 by operating the hydraulic valve control equipment in the control unit 76; 77 is mounted, and an operating lever 78 for remotely controlling the traversing hydraulic motor 24 is attached, and a switch 79 for unloading the traversing hydraulic motor 24 is provided at the tip of the operating lever 78. Reference numeral 80 is a hanging piece welded to the upper surface of the support vehicle 3, which is loaded onto a working vehicle together with the horizontal hole drilling equipment N2.
This is for hanging robes for loading and unloading.

FIG. 9 is a diagram for explaining the process of performing horizontal hole excavation work using this horizontal hole drilling device 2. T! ! 2
With the auger 19A with a bit (see Figure 1) held by the rotary chuck device 22 while the machine is positioned on the ground, the winch 71 is turned in the lowering direction to lower the horizontal hole drilling device 2 to the bottom of the vertical hole 1, and the fixing device is removed. The frame 4 is fixed to the bottom of the vertical hole 1 by W19, and the traverse hydraulic motor 24 is operated in the forward direction to advance the rotary drive device 20 until it reaches the front end position of the movable frame 6. At the same time, the hydraulic pressure of the rotary drive device 20 is increased. Excavation is performed by rotating the motor 23 in the normal direction.

Thereafter, the rotary chuck device 22 is opened to release the auger 19A with the bit, and the traversing hydraulic motor 24 is operated in the backward direction, as shown in FIG. 9(A). 20
is moved back to the rear end position of the movable frame 6.

Next, as shown in FIG. 9(B), the hydraulic cylinder 56 is extended to raise the auger cradle 60 to the ground position, and the worker on the ground places the auger 19 on the auger cradle 60.
The hydraulic cylinder 56 is retracted to lower the auger 19 onto the open gripper 46.4T of the auger attachment/detachment device 40.

Next, as shown in FIG. 9(C), the hydraulic cylinder 50
After extending the auger 19 and gripping the auger 19 with the gripping tools 46 and 47, the rotary cylinder 42 is rotated by a predetermined angle θ until the stopper 51 comes into contact with the upper surface of the movable frame 6. At this time, the axis of the auger 19 coincides with the axis of the rotary chuck device N22, so as shown in FIG. 9(D), by slightly advancing the rotary drive device 20 and closing the rotary chuck device 22, The auger 19 can be gripped by the rotary chuck device 22 without center deviation. Note that during this gripping operation, the auger 19 comes into contact with the auger receiving surface of the rotary chuck device 22 and is pushed, so the auger gripping force of the gripping tools 46 and 47 by the hydraulic cylinder 50 is Set it so that it slides forward and is pushed out within .47.

Next, as shown in FIG. 9(E), the hydraulic cylinder 50 is contracted to release the auger 19 from the gripping tools 46, 47, and the one-rotation cylinder 42 is operated as shown in FIG. 9(F). Then, the gripping tools 46 and 47 are rotated to the position of the auger cradle 60.

Next, as shown in FIG. 9(G), the auger 19 with the bit
By gripping the rear end of A by the fixed chuck device 30, moving the rotation drive device 20 forward, and rotating the trailing auger 19 in the forward direction, the rear end of the auger with the bit 19A is attached to the rear end internally threaded cylindrical portion of the auger 19A. Connect the rear auger by screwing in the male threaded part of the front end of the auger 19, and then connect the rotation drive device 20.
The horizontal hole is excavated by the forward movement of the auger 19 and the normal rotation of the auger 19.

By repeating such operations, the vertical hole excavated at the end of the horizontal hole excavation or @80 (see Fig. 1O) is excavated. Note that in cases where the excavated ground is hard, etc., the leading auger is securely held in the ground, so it is not necessarily necessary for the fixed chuck device 30 to grip the rear end of the leading auger.

Next, the recovery operation of the auger 19 will be explained with reference to FIG. 1O. As shown in Figure 1O (A), remove the auger 19A with the bit and connect the end of the buried pipe 81 inserted into the horizontal hole drilled at the front end of the auger 19, or excavate the tip of the auger 19A with the bit. Remove the bit and bury the pipe 81
A rotary drive device 20 is connected to the ends of the rotary drive device 20 and grips the rear end of the rearmost auger 19 by a rotary chuck device 22.
The vehicle is moved backward by operating the traverse hydraulic motor 24 in the backward direction.

Next, the preceding auger 1 is
Rotary drive device 20 until the rear end 19a of 9 can be gripped.
(Refer to Figure 10 (B) to stop the retreat when the auger is retracted.) First, as shown in Figure 10 (C), the rear end of the leading auger 19 is gripped by the fixed chuck device 30, and the hydraulic motor 23 is reversely rotated. Then, the auger 19 held by the rotary chuck device 22 is reversed, and the rotary drive device 20 is moved backward to separate the auger 19 held by the rotary chuck device 22 from the preceding auger buried underground. let

Next, as shown in FIG. 10(D), the rotary cylinder 42 is operated to place the gripping tools 46, 47 over the auger 19 held by the rotary chuck device 22, and the hydraulic cylinder 50 is extended to extend the auger 19. is gripped by gripping tools 46 and 47. Next, the rotary cylinder 42 is operated to rotate the auger 1.
The gripping tools 46 and 47 that are gripping the auger holder 60
Rotate it to the position.

Next, as shown in FIG.
The auger 19 is then pushed up to the ground by a worker on the ground.
, and by contracting the hydraulic cylinder 56 again, the auger cradle 60 is lowered to the position of the gripper 46,47.

Next, the rotary drive device 20 is moved forward by the operation of the traverse hydraulic motor 24, the rear end of the auger 19 exposed in the vertical hole l is gripped by the rotary chuck device 22, and the auger 19 is recovered by the same operation as described above. . This kind of work should be done first.
The process is continued until the tip of the buried pipe 81 is exposed in the vertical hole l, as shown in Figure 0 (F).

The operation of each of the above devices is performed by a worker operating the operation switch 77 installed on the top of the support vehicle 3 while looking at the device inside the vertical hole l.
Operate while watching a TV receiver on the ground using a TV camera or the like. Note that the above-mentioned horizontal hole drilling may be performed by jetting fluid such as water or air from the tip of the auger 19A with a bit.

In addition, although the above embodiment describes an example in which each device in a vertical hole is remotely operated on the ground, the present invention can also be applied when a worker enters a vertical hole or trench to perform work, and in that case, hydraulic pressure is applied. The auger elevating device such as the cylinder 56 becomes unnecessary, and the operation switch 77, the operation lever 78, the control unit 76, etc. are mounted on the frame 4. Further, a hydraulic motor may be used instead of the rotary cylinder 42.

(Effects of the Invention) According to claim 1, the auger attachment/detachment device is provided on a frame fixed in a vertical hole or groove, and the auger attachment/detachment device includes an opening/closing type gripping tool for gripping the auger, and the rotating It is composed of a rotation device that rotates between a predetermined position outside the movement path of the drive device and a position on the axis of the rotary chuck device, and when adding an auger, the rotation device is moved away from the reciprocating path of the rotation drive device. It is possible to grip the auger at a position where the auger is rotated and set the position so that the auger axis coincides with the axis of the rotary chuck device.When recovering the auger, the rotary drive device It is possible to move the auger outside the travel path of
Since it is not necessary to bring human hands close to the rotary drive device, rotary chuck device, fixed chuck device, etc., the risk of injury to the worker due to erroneous operation is eliminated, and safety is improved.

According to claim 2, the auger is set on the auger cradle on the ground or in the upper part of the vertical hole, the auger cradle is lowered together with the auger, and the auger is attached to the rotating chuck by remote control from the ground using an auger attaching/detaching device. Since we have made it possible to perform horizontal hole excavation and also to perform auger recovery work by remote control using the above device, it is possible to add one auger to the side hole excavation device and raise and lower it for each recovery. This is no longer necessary, improving work efficiency. In addition, the lifting device for the horizontal hole drilling device is not necessarily necessary, or it can be a simple and lightweight device that can be lowered into or pulled up into the vertical hole at the start and end of work, resulting in a reduction in weight and manufacturing cost.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an embodiment of the horizontal hole drilling apparatus according to the present invention in a working state, and FIG. 2 is a front view thereof. 3 is a side view of the horizontal hole drilling device of this embodiment, FIG. 4 is a front view thereof, FIG. 5 is a plan view thereof, and FIG. 6 is a front view showing the upper configuration of the auger attachment/detaching device of this embodiment, Fig. 7 is an enlarged right side view of Fig. 6, Fig. 8 is a partially cutaway front view of the auger attaching/detaching device and auger lifting/lowering device of this embodiment, Fig. 9 is a horizontal hole drilling process diagram of this embodiment, and Fig. 10 The figure also shows an auger recovery process diagram. Patent applicant: Nippon Telegraph and Telephone Corporation and two other agents Patent attorney: Masami Akiki and one other person Figure 1 Figure 2 Figure 4 Figure 3 Figure 6 Figure 1: 4-π 20: Rotary drive device 46.47 :? l! Holder 56: Hydraulic cylinder 60, auger cradle

Claims (1)

[Scope of Claims] 1. A horizontal hole drilling device using a screw-type auger, comprising a frame fixed in a vertical hole or groove, and an auger rotation drive device movably installed on the frame;
a traverse device that moves the rotary drive device forward and backward; a rotary chuck device that is attached to the rotary drive device and that detachably grips the rear end of the auger; and a rotary chuck device that is attached to the front part of the frame and that is attached to or detached from the auger. A fixed chuck device that grips the rear end of the preceding auger on the axis of a rotary chuck device, and an auger attachment/detaching device installed on the frame, and the auger attachment/detachment device includes an opening/closing type gripping tool for gripping the auger. , a rotating arm that supports the gripping tool and rotates the gripping tool between a predetermined position outside the movement path of the rotary drive device and a position on the axis of the rotary chuck device; A horizontal hole drilling device comprising a drive means. 2. an auger lifting device installed on the frame and lifting and lowering an auger pedestal between the predetermined position and an auger mounting position on the top of a vertical hole or groove or on the ground; the auger lifting device; the auger attaching/detaching device; The horizontal hole drilling apparatus according to claim 1, further comprising an operating device for operating the rotary drive device, the traversing device, the rotary chuck device, and the fixed chuck device from the ground.