JPS6237428A - Ground surface excavator - Google Patents

Abstract

PURPOSE:To easily excavate a groove at a given depth and to easily change the depth of the groove during the excavating work, by inclining the main unit of an excavator at the section of a handle on a moving device. CONSTITUTION:An excavator is organized with the main unit 1 of the excavator and a moving device 12, and the main unit 1 of the excavator is organized with a conveyor belt 5 provided with a bucket 7 with a salient excavating edge 8, a rotary rollers 3, 4, a frame 2, and a handle section 9 fitted on the frame 2. The moving device 12 is rotatably supported almost flush with the ground surface by the main unit 1 of the excavator, and the main unit 1 is freely moved in the front and rear directions. By this method, the main unit 1 of the excavator can be inclined on the moving device 12, and so a groove is easily excavated in a given depth, and also the depth of the groove can be easily changed during the excavating work.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a ground excavation device, and particularly to a ground excavation device suitable for excavation work in a narrow space.

<Conventional technology and its problems> At present, trench excavation work for burying gas, water, and sewer pipes, etc., is most efficiently carried out using small excavators and other pond machines.

However, in narrow spaces where there is not enough work space to use excavators and other excavating machines, such as between buildings in urban areas or on narrow roads, there is no choice but to work. The trenches had to be excavated by hand by workers.

Therefore, the work efficiency is significantly lower than that of mechanical work, and the work time is correspondingly longer, so that in some cases, the work cannot be completed within the permitted construction time.

Also, since the work was done by hand, the depth of the trenches tended to vary.

This invention has been made by focusing on such conventional technology, and aims to provide a ground excavation device that can be used even in narrow spaces. In order to achieve the purpose mentioned above, the ground excavation device has a conveyor belt with a steeply inclined conveyor means, which has a plurality of excavator blades protruding from the belt surface at regular intervals. The main body of the excavating rig is provided at the other end of the roller (which is wound around the rotating roller on the outgoing side, and the handle part is integrally provided to the frame of the rotating roller part on the I outgoing side, and the main body of the excavating rig is located at approximately ground level. In order to excavate the ground to a constant depth with excavation blades protruding from the surface of the conveyor belt, the excavation side rotary roller is tilted with a concave front, and the entire excavation apparatus body is movable back and forth. and a moving device equipped with a pair of narrowly spaced wheels.

Function: Since the excavation blade is protruded from the surface of the conveyor belt, by rotating the conveyor belt, the excavation blade also rotates, and the excavation blade can excavate the ground one after another to a constant depth. . In addition, the excavator body equipped with the excavation blade is rotatably supported by a moving device equipped with a pair of wheels spaced narrowly apart, so that the excavation depth of the trench can be increased by rotating the excavator body. can be easily adjusted. Furthermore, since the conveyor belt is equipped with a steep slope conveyance means, even if the excavation equipment is used on a steep slope, it is possible to excavate the ground at a constant depth and send the excavated soil one by one to the bottom of the ditch. And since the moving device has a pair of wheels mounted at narrow intervals, it is possible to excavate the ground even in a fairly narrow place, as long as there is a working space corresponding to this distance.

<Example> The details of this invention will be explained below based on the drawings.

FIGS. 1 and 2 are diagrams showing embodiments of the present invention.

Reference numeral 1 denotes an excavation equipment main body, and at both ends of a metal plate frame 2 forming both side parts of the excavation equipment main body 1, an excavation-side rotary roller 3 and a carry-out roller are provided, which are rotatable by a built-in motor (not shown). One side rotation cola 4 is arranged respectively. These rotary rollers 3.4 have a smaller diameter corresponding to the width of the conveyor belt 5 at the center than at both ends in order to accurately wind the conveyor belt 1-5, which will be described later.

The conveyance bell l-5 is wound around the center small diameter portion of both the excavation side and unloading side rotary rollers 3.4. In addition, this conveyor belt 5 has a bucket and
The grooves 7 are continuously recessed at regular intervals, so that even if the object is used on a steep slope, the object to be conveyed will not fall off and will be reliably conveyed by the conveyor belt 5. A plate-shaped digging blade 8 is protruded from the surface of the conveyor belt 5 between each packet 7 over the entire circumference of the conveyor belt 5. The excavating blades 8 are made of steel, and are fixedly protruding from the back side of the conveyor belt 5 with screws. Reference numeral 9 denotes a handle portion, which is attached to the frame 2 on the side of the rotating roller 4 on the carry-out side.
The excavator main body 1 is bent in the middle so that it is easy to grasp and operate the excavator main body 1.

And the rotating roller 4 on the unloading side slightly from the center of the frame 2
A bracket 11 with an elongated hole 10 is attached to the side, and a rotating shaft 12 with wheels 12a as a "moving device" is attached and fixed in the elongated hole 10 of this bracket 11. The spacing between the wheels 12a is set to 7 as small as possible to accommodate work in narrow spaces.
This device can be applied when the space at the excavation work site is small (as long as there is sufficient space). The rotary shaft 12 with wheels 12a is rotatable and freely movable back and forth.
Either the excavation side rotating roller 3 or the unloading side rotating roller 4 can be fixed in any position, and is equipped with a ratchet mechanism (not shown), which allows the rotation roller 4 to be fixed at a constant position. Move only in the direction (rotation)
You can also make it impossible. In addition, 13 is an ordinary belt conveyor, which is passed over i15 below the rotating roller 4 on the discharge side.

Next, the action will be explained.

First, a "bevel" is cut in the ground 14 to be excavated. That is, first, a groove that will be the starting point for the excavation work is dug to some extent by hand (5; Condition, 14p excavation side rotating roller 3 (pushed from the punishment,
Car <Rin 12a and the wheel part of the rotating shaft 12 on the ground 14?
, ground two. Next, move the roller 3.4 and the conveyor belt 5 to the arrow A7 in the figure;
By pushing the handle part 9 forward, the groove 1
5Push into the ground 1-6 part of the front force. Then another mountain 16
are successively excavated, scraped and removed by these excavating blades 8 6 Also, since the excavating blade 8 also excavates the bottom part of the groove 15 , the entire excavator main body 1 moves in the backward direction as a result of this excavation. I tried to do it, but as mentioned above, the car @12
．． ．． Rotation with l! ! At 11112, set the gutter mechanism to work (the excavator main body 1 can only move in the forward direction and will not be pushed back in the backward direction). ＋, te, push the handle part 9 downwards, lower it, press the cutting blade 8 on the tip side upwards ♀, ↓, actively break the upper part of the other thread 1G, and go with 2. It is.

Then, the scraps scraped off from the ground 16 are scooped out one after another by the noigens 1-7 of the squeezing heddle 15, and stored in the squeeze heddle 7 by the squeezing-side rotating roller.
) is carried towards. At this time, it is installed protrudingly on the transport heald 5,
The excavation blade 8 excavates the central part of the earth 16, and
It also serves the function of scooping the scraped top into the bucket 7, and then transports the scooped up top to the unloading side rotating roller 4 while preventing spillage using the four digging blades 8 themselves, which are protruded in parallel. It is also used as a steep slope conveyance means.

The upper unloading side rotating row Z, the 4th section is picked up by the h7, and the held conveyor from the 1ζ side is rotated by the 4th section. 13 has been dropped from the top and is proceeding with excavation.The first army spring 7 is placed next to I'415.In addition, Ryo 13 is gradually shifted to the side of the top as the excavation rig body 1 moves forward.
The catch is designed to always stop the falling of the rotary roller 4 on the unloading side of the main body 1 of the excavating device. still,
This belt conveyor/bear 13 can be used even if small wheels for lateral movement are attached in advance.
3 etc. may be combined to load the soil directly onto a truck or other vehicle, or the soil on the opposite side from the side to receive the material may be lifted up without combining other belt conveyors. It is also possible to make it sloped so that it can be filled with the soil that has been transported directly to a wheel cart, trolley, or other vehicle.

In this way, while excavating the other mountain 16, if the scraped soil is carried out one by one, the width corresponds to the width of the excavator main body 1, and the depth corresponds to the plunge amount [slope] of the excavator main body 1. It is possible to dig the groove 15 more than twice as efficiently as by hand.

Since the entire excavation equipment main body 1 is rotatable around the rotation shaft 12 with wheels 12a attached and fixed to the bracket 11, the worker M presses the excavation-side rotating roller 3 portion at the tip upward. , the upper part of the ground 16,
In other words, it is possible to scrape off the ground 1 while confirming whether it has been excavated, whether it is a shallow part or a lower part, that is, a deep part.

Also, as mentioned above, al 50) depth is 1
Therefore, the depth of the groove 15 can be freely adjusted by operating the handle portion 9 to change the degree of inclination of the excavator main body 1. Furthermore, a rotating shaft 1 with wheels 12a
2 can be mounted and fixed at any position within the long hole 10, so the mounting and fixing position within the long hole 10 can be selected according to the planned depth of the groove 15 to be excavated.

m, when attempting to excavate a shallow groove 15, a long hole 10 is used.
If you plan to excavate a deep groove 15, install and fix it in advance toward the excavation side rotating roller 4. The device main body 1 can be used in an appropriately inclined state.

In the following explanation, a case in which a bucket 7 is provided on the conveyor belt 5 is shown as an example of the "steeply inclined conveyance means," but in addition to this, a plurality of plates for preventing objects to be conveyed from rolling down may also be provided. or other steeply inclined transport means may be employed. In addition, when cutting a "bevel" at the beginning of excavation, an example is shown in which a groove is dug to some extent by hand. However, depending on the condition of the J1 surface, excavation may be started from the beginning with the excavation blade 8 of the excavation device main body 1. It is also possible. Historically, a rotating shaft 12 with wheels 12a
is attached to the upper side of the excavator main body 1 through the bracket, that is, to the side of the conveyor belt 5 that generally conveys the excavated soil. It may be attached to the lower side or in the middle of the excavation equipment 1, that is, to the left and right sides of the frame 2 via the brackets 11.

Furthermore, although an example was shown in which the carried out soil is stopped by the bell 1-conveyor 13 and moved to the side of al5, the falling soil is moved horizontally above the rotating roller 4 on the carrying out side of the excavation equipment main body 1. It may be provided with a "trough-shaped receiver 3" that is slid in the direction and dropped.

<Effects> Since the ground excavation device according to the present invention has the content as described above, it can produce various effects as described below.

(al) Since it can be used in narrow spaces where conventional work could only be done by hand digging, it is possible to improve the efficiency of trench excavation work in such narrow places and shorten the working time. Z] can be done.

(1)) Inclination of the drilling equipment body1. This allows you to adjust the groove depth, making it easier to dig a groove at a constant depth.
It is also easy: to change the trench depth during excavation work.

(C) Since the soil scraped off inside the trench can be carried out of the trench as is, the excavated soil can be loaded directly into a truck, unicycle, or other transport vehicle.

(The entire dlg surface is formed to be narrow enough to match the narrow wheel spacing, making it convenient to carry and allowing work to be carried into deep mountains or other work locations where cars cannot enter.)

(e) Since it is possible to excavate while visually confirming the actual excavation state, it is possible to perform more crushing and finer excavation work compared to conventional excavators and the like.

[Brief explanation of the drawing]

FIG. 1 is a partially sectional side view showing the state of use of a ground excavation device according to an embodiment of the present invention, and FIG. 2 is a side view taken from the arrow nn line in FIG. 1. . 1- Excavation equipment main body 2- Frame 3- Excavation side rotating roller 4- Unloading side rotating roller 5- Conveyance belt 7 -- Pequesoto [steeply inclined conveyance means] 8- Excavation blade [(ship speed belt)] 9- Handle Part 10-- Bracket 12- Heavy-wheel rotation shaft [transfer device] 13- Belt conveyor 14...-Ground 15- Groove 16--Ground M--Worker

Claims (1)

[Scope of Claims] A conveyor belt with a steeply inclined conveyor means having a plurality of excavating blades protruding from the belt surface at regular intervals is connected to an excavating-side rotary roller provided at one end of the frame and an unloading-side rotary roller provided at the other end. The excavator main body is wound around and has a handle integrally provided to the frame of the unloading side rotating roller portion, and the excavator main body is rotatably supported at a position approximately at ground level and protrudes from the surface of the conveyor belt. A moving device equipped with a pair of narrowly spaced wheels that allows the entire excavation device to move forward and backward, with the excavation side rotating roller tilted forward and downward in order to excavate the ground to a constant depth with the installed excavation blade. A ground excavation device comprising: