JP2933783B2 - Self-propelled drilling machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-propelled drilling machine using a forklift as a traveling device.

[0002]

2. Description of the Related Art Conventionally, as a drilling machine used for various drilling work, there are a crawler drill as a dedicated drilling machine equipped with a drifter drill for a crawler type traveling device, a truck crane or a crawler crane. On the other hand, there are various types of drilling machines such as a drilling machine having a drilling machine as an attachment, a spindle type, a drive head type, and a turntable type drilling machine, which are properly used according to each drilling application.

[0003]

In particular, in the case of drilling work indoors, when the working space on the site is narrow, workability and congestion with other heavy equipment and devices become problems, so that the mobile work can be performed in a small turn. It is desired that the traveling device has high performance. In some cases, the height of the apparatus is limited by a ceiling or the like.

[0004] However, none of the various drilling machines mentioned above can satisfy the requirements. Moreover, it is not economical to manufacture a dedicated drilling machine suitable for the above conditions.

In view of the above-mentioned problems, a main problem of the present invention is that a self-propelled type which can be suitably used in a small and narrow site by using existing heavy equipment, and which is excellent in mobility and workability. A drilling machine is provided.

[0006]

The above object can be attained by fixing a feed guide cell vertically to a lifting member for lifting a forklift and mounting a drifter drill on the guide cell.

Further, an outrigger for stabilizing drilling is provided on a front portion of the forklift, and a drifter drill is mounted on a feed guide cell by attaching a feed base plate to the feed guide cell.
A more suitable apparatus can be obtained by providing a horizontal slide table which is movable in the horizontal direction with respect to the feed base plate, and fixing the drifter drill on the horizontal slide table.

[0008]

In the present invention, an existing forklift is used as a traveling device in the drilling machine. Therefore,
The drilling machine can be suitably used for a small site due to the high mobility of the forklift, as well as the downsizing of the entire device.

By providing an outrigger on the front surface of the forklift, vibration during drilling is suppressed and stability is improved. In addition, since the drifter drill can be horizontally slid by the above configuration, the manset (rod) can be easily erected at a position avoiding the threading device or the clamping device at the tip of the guide cell. .

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on embodiments. FIG. 1 is a side view of a drilling machine using a forklift according to the present invention, and FIG. 2 is a front view thereof. First, a perspective view of a general forklift 1 is shown in FIG. 3, and a pair of left and right two-stage slide-type fork masts 6, 6 are vertically arranged on a front portion of the forklift 1. The upper stage of the fork mast 6 is raised by the expansion and contraction operation of the lift cylinders 3, 3 arranged along the axial direction of the fork masts 6, 6, and the lifting bars 5A, 5B fixed to the fork mast 6 and attached thereto. Forks 4A and 4B move up and down. In the case of the full free mast, the fork mast does not extend because the fork 4A, 4B is moved up and down directly by the lift cylinder 3.

First, in improving the drilling machine, the forks 4A and 4B are removed from the lifting bars 5A and 5B, and the feed guide cells 10 are attached to the lifting bars 5A and 5B via the mounting bracket 18. . As shown in FIG. 4, for example, as shown in FIG. 4, the mounting bracket 18 fixes the guide cell 10 by vertically moving up and down bars 5A and 5B from the front and rear sides of the rear mounting plate 18A.
And a front mounting plate 18B of a built-up structure, and are fastened by bolts 19, 19,..., And the guide cell 10 is fixed to the front mounting plate 18B by bolts or the like.

The up and down operation of the guide cell 10 can be performed by raising and lowering the fork mast 6 by the up and down cylinder 2, and the up and down movement of the guide cell 10 is performed by the expansion and contraction operation of the lift cylinder 3. The range of the fork mast 6 in the up-and-down operation is usually 6 ° in the dip direction and 12 ° in the elevation direction, and the drilling direction is limited to this range. In addition, the lifting operation of the guide cell 10 is performed by a fork.
Although the mast 6 can be moved up and down within the original range of elevation, a lifting operation of slightly lifting the guide cell 10 for movement is sufficient.

A drifter drill 13 is mounted on the guide cell 10, and a threading device 16 and a clamping device 17 are provided at the tip thereof. The drifter drill 13 is driven by a feed motor 20 arranged at the upper end of the guide cell 10 to drive the guide cell 1.
Chain (not shown) arranged in a loop within 0
Is driven, and is movable along the axial direction of the guide cell 10 by the feed force of the chain. Also,
The drifter drill 13 is mounted directly on the feed base plate 11 directly connected to the chain without being directly mounted on the guide cell 10, and can be moved laterally on the feed base plate 11. I have. Specifically, as shown in FIGS. 5 and 6, concave grooves 11 a and 11 b that open inward are formed at the upper end and the lower end of the feed base plate 11, and the concave grooves 11 a and 11 b are formed.
b, and can be moved in the horizontal direction.
2 and one end of the feed base plate 11
And a horizontal slide cylinder 14 having the other end connected to the horizontal slide base 12 is provided. The horizontal slide base 12 is movable in the horizontal direction by the expansion and contraction operation of the horizontal slide cylinder 14, so that the horizontal slide base 12 is movable. Slide stand 1
The drifter drill 13 fixed on the top 2 is movable in the lateral direction. For example, when the length of the guide cell 10 is shortened due to a limitation due to ceiling height or the like, and the interval between the drifter drill 13 and the threading device 16 is several tens of cm, it becomes difficult to install a manset (rod). Therefore, by adopting the lateral slide mechanism, the manset can be erected at a position avoiding the threading device 16 and the clamping device 17 at the tip of the guide cell 10, and the manset (rod) can be mounted. The construction work becomes very easy.

On the other hand, an outrigger 15 having a bracket 19 projecting forward from the fork mast 6 as a support member is provided on the front surface of the forklift 1 in order to suppress vibration during drilling and to stabilize the forklift 1. Is provided. In drilling, the guide cell 10
Although the tip it is desirable to perform drilling while pressed against the floor surface, the a lift cylinder 3 is inherently increased cylinder, is the guide cell 10 and the unsuitable structure to press and hold the floor side Therefore, by making improvements such as adding a switching valve or a check valve to the hydraulic path, the pressed state can be easily maintained.

For example, when the present invention is used in a place where exhaust equipment is not provided, such as in a closed room, the use of an electric forklift instead of a gasoline-powered vehicle or a diesel-powered vehicle makes it possible to reduce exhaust gas emissions. The pollution of the indoor environment can be prevented.

[0016]

As described in detail above, according to the present invention, a forklift is used as a base of a drilling machine, so that a small self-propelled drilling machine which can be suitably used in a narrow site can be obtained. Further, even in a small site, the agility of the forklift ensures remarkably high workability and operability as compared with other self-propelled drilling machines.

[Brief description of the drawings]

FIG. 1 is a side view of a drilling machine using a forklift according to the present invention.

FIG. 2 is a front view of a punch using the forklift according to the present invention.

FIG. 3 is a perspective view of a general forklift.

FIG. 4 is a sectional view of a guide cell mounting portion with respect to a lifting bar of a forklift.

FIG. 5 is a front view of a feed base plate.

FIG. 6 is a view taken along line VI-VI of FIG. 5;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Forklift, 2 ... Undulating cylinder, 3 ... Lift cylinder, 4A / 4B ... Fork, 5A / 5B ... Lifting bar, 6 ... Fork mast, 10 ... Guide cell, 12 ...
Horizontal slide table, 13: Drifter drill, 14: Horizontal slide cylinder, 15: Outrigger, 16: Screw cutting device, 17: Clamping device, 20: Feed motor

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Iku Mizuno 4-35, Kudankita, Chiyoda-ku, Tokyo Inside Light Industries Co., Ltd. (72) Hiroshi Niwa 4- 2-35, Kudankita, Chiyoda-ku, Tokyo (56) References JP-A-54-131501 (JP, A) JP-A-59-118984 (JP, A) JP-A-57-89089 (JP, A) JP, U) JP-A 60-159066 (JP, U) JP-A 57-105388 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) E21B 7/02

Claims (3)

(57) [Claims] 1. A feed guide cell is vertically fixed to a lifting member for lifting of a forklift.
A self-propelled drilling machine with a drifter drill mounted on this guide cell. 2. The self-propelled drilling machine according to claim 1, wherein an outrigger for stabilizing drilling is provided on a front portion of the forklift. 3. The mounting of the drifter drill on the feed guide cell includes mounting a feed base plate on the feed guide cell, and providing a horizontal slide table movable horizontally with respect to the feed base plate. 2. The self-propelled drilling machine according to claim 1, wherein the drifter drill is fixed on the horizontal slide table.