JPH0416596B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is directed to
In addition, on-site assembly allows the bottom-expanding excavator to be safely and securely assembled on site using a track-type crane using simple means, without introducing a large-scale wire-suspended heavy crane vehicle, regardless of the location. This invention relates to a track-type expanded-bottom earth drilling device.

[Background of the Invention] In recent years, technological innovation has made remarkable progress, and with the establishment of earthquake-resistant flexible structures along with road maintenance and the extension of subway networks, which play a central role in key industries, it is now possible to extend the reach of areas not only to regional centers but also to In fact, there is a trend towards rapid urbanization, with skyscrapers popping up in cities, towns and villages across the country.

Under these circumstances, the expansion of urbanized areas and residential areas requires not only road maintenance but also large-scale water supply and sewerage facilities, and at present, the excavation of shafts is indispensable. There is a tendency for demand to increase more and more.

[Problems with the prior art] Currently, as a normal method for excavating this type of wells and shafts, a silent excavation method using a rotary bucket suspended from a large crane vehicle is often used. Due to land ownership issues, each building owner often constructs the building individually, and as a result, they are forced to work on a narrow site surrounded by previous buildings.

As mentioned above, it has become clear that there are cases where it is not possible to enter the planned construction site with a large wire-suspended crane vehicle. However, there are disadvantages such as safety cannot always be guaranteed if an accident is predicted, and it is not easy to remove the excreted soil, earth, etc., resulting in many disadvantages. .

In other words, the number of such locations is increasing year by year, and this has become a serious problem that is of concern from the standpoint of construction progress. There is a strong demand for a simple yet high-performance excavator that can guarantee safety and reliability regardless of the location.

[Preferred embodiment that solves the problems] The present invention focuses on the above-mentioned reasons, and as a result of many years of trial excavation construction, these problems can be easily solved on-site by replacing the use of a wire-suspended large crane excavation vehicle. This problem was solved in one fell swoop by devising a revolutionary track-type earth drill mechanism that can be assembled into multiple units.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the assembled track type ground drill device of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the overall structure of an assembly type track type expanded bottom earth drill device of the present invention, and FIG. 2 is a schematic explanatory diagram showing the functional gist of the present invention as seen from the side.

The present invention is based on a patent application filed in 1983 by the applicant.
242710. Patent Application 1986-72559. Utility Application 1986-197397 A bottom-expanding earth drilling device mainly for large wells, replacing the conventional wire-suspended crane excavation vehicle. The present invention provides a track type earth drilling device with an expanded bottom that can be easily assembled on site.

The structure is such that the width of the railing of the track-type crane base 4 that can be assembled is opened in advance, and the width of the railing is expanded to the long steel plate 1 with a pair of rails 2 that are laid on the ground surface. Or spacing plate 3 to prevent pinching
In addition, the track type crane platform 4 is assembled and suspended by a framework having a plurality of moving vehicles that move forward and backward on the rail 2, and the track type crane is mounted near the bottom of the platform 4 on both sides. Further, the upper part of the leg stand 4 is formed so that the space is widened by the frame plate 5, and the frame plate surface 5, which is slightly narrow, is provided with an electric motor M for moving the frame plate. Guide rails 6 are laid on both sides, that is, on the frame plate surface 5 on which the track type crane advances and retreats in a direction perpendicular to the track type crane;
A self-propelled turret 7 in which a plurality of mobile vehicles, which are moved onto the guide rail 6 by power, are assembled to the lower bottom of the bottom plate 8.
At the same time, electric motors M for motive power of the barrels for transporting the self-propelled turret 7 are provided on the bottom plate 8, and an extension column 10 is held from the center of the bottom plate 8 of the self-propelled turret 7. A driving force section 9 and a rotating shaft 11 having a deceleration function and rotating together with the support column 10 are provided so as to pass through the bottom plate 8 of the self-propelled tower 7, and a bucket 12 which also serves as an excavation blade is provided at the lower tip thereof. The upper end of the extending column 10 connected to the rotating shaft 11 is connected to a wire rope 13 and connected to a winch 15 via a pulley 14 provided at the top of the self-propelled turret 7, so that the rotating shaft 11 and the bucket 12 can be moved up and down. The present invention is constructed as possible.

The present invention is characterized in that all of the above-mentioned mechanisms constituting the present invention are distributed and loaded onto a normal medium-sized truck so that they can be assembled extremely easily on site.

That is, in accordance with the width of a track-type crane consisting of a simple frame, the present invention lays the pair of thick iron base plates 1 with rails 2 in parallel on a flat surface of the ground, and the rails 2 In addition, the guide rails 6 move forward and backward toward both ends of the upper part of the track-type crane in a direction perpendicular to the track-type crane (lateral direction).
It is laid on the surface of the crane upper frame face plate 5, which has a small width, to form a crane, and furthermore, a self-propelled tower 7 equipped with a movable vehicle driven by power is formed below the bottom face plate 8. , a driving force section 9 having a deceleration function
A rotary shaft 1 equipped with a bucket belt 12 for excavation at the tip.
1 is assembled so as to pass through the bottom plate 8 of the self-propelled turret 7, and an extending column 10 is installed above the drive power unit 9 to extend to the rotating shaft 11, and an extending column 10 is installed at the upper end of the extending column 10. The present invention is constructed by connecting a wire rope 13 to a winch via a pulley 14 provided at the top of a self-propelled tower 7.

With the above configuration, the bucket 12 can also be used as a digging blade.
It is constructed so that it moves freely in all directions along with the self-propelled turret 7 on the thick iron base plate 1 while performing powerful low-speed rotational motion by means of a drive power unit 9 (wires not particularly shown).

Furthermore, to specifically explain the gist of the present invention, the pair of thick iron base plates formed in this way are made of strong metal plates, and a track type crane suspended on the thick iron base plates via a rail is The rails laid on the top surface are formed narrowly by the frame of the frame, so that there is a wide space in which the rotating shaft can freely advance and retreat in the horizontal direction. The turret and self-propelled turret can be moved in directions perpendicular to each other, and the bucket can be moved so that the center of the bucket is located at the center of the well.The wire rope of the winch is loosened into the well, and the rotating shaft and extension support are lowered together with the bucket. The bottom of the well is excavated, the winch is hoisted up again, and earth and sand are loaded into the entrance of the earth removal vehicle as shown in Figure 2, and excavation and earth removal are repeated.

[Operations and Effects] According to the prefabricated track-type expanded-bottom earth drill device of the present invention configured as described above, as shown in FIGS. Excavation began gradually from the surface of the earth, and by moving freely in all directions, it was possible to easily expand the bottom.It not only demonstrated outstanding functionality that cannot be praised enough, but also required a lot of labor. The discharged mud is dug up into a bucket at the tip of the rotating shaft and moved freely to the top of a dump truck or other soil transport vehicle, making the loading process extremely simple and rational.

As described above, the present invention has succeeded in eliminating all of the above-mentioned worrisome problems, and it is possible to use a medium-sized truck loaded with the mechanical device of the present invention even in the field under any adverse conditions. Get in,
As a wide-bottomed earth drill device that can be easily assembled on-site, it can ensure the reliable utilization of groundwater resources and the construction of shafts.
It combines extremely significant contribution and meaningful utility.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the overall structure of an assembly type track type expanded bottom earth drill device of the present invention, and FIG. 2 is a schematic explanatory diagram showing the functional gist of the present invention as seen from the side. B...Large well (vertical shaft), B...Earth removal vehicle, M...
Electric motor, 1... A pair of long thick steel base plates, 2...
Rail, 3... Spacing plate, 4... Footrest of track type crane, 5... Upper frame of crane, 6... Guide rail of turret, 7... Self-propelled turret, 8... Bottom plate of turret, 9... Driving power section , 10... Extension support column, 11... Excavation rotation axis, 12
...Bucket, 13...Wire rope, 14...Pulley, 15...Winch.

Claims (1)

[Scope of Claims] 1. A bottom-expanding excavator for vertical shafts for large wells, etc., comprising: a pair of thick iron base plates with rails installed on the ground surface with a distance between the widths of the heights of a simple track crane that can be assembled; Further, guide rails are laid on the plate surfaces on both sides of the upper part of the frame frame of the track type crane, which is equipped with a holding plate that maintains the movement of the vehicle, and a plurality of moving vehicles that move forward and backward on the rails. A crane has a suspended self-propelled turret with a bottom plate with a moving vehicle that moves forward and backward at right angles, and has an extending column to the center of the self-propelled turret and a deceleration function that rotates together with the extending column. A driving power section for transmitting to the shaft is provided in a penetrating manner through the bottom plate of the self-propelled turret, a winch is attached to the bottom plate, and a suspension device using the winch as a power source is connected above the excavation rotation shaft, In addition, the assembly type track type expanded bottom earth drill device is characterized in that it is configured to include an excavating bucket below the excavating rotating shaft, so that all the mechanisms described above can be easily assembled on site.