JP2004052530A - Self-propelling soil improving machine, self-propelling soil improving system and soil improvement method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a self-propelling soil improving machine for efficiently improving soil and obtaining soil with high quality at a site of the soil improvement, without requiring a number of working machines or causing nuisance to neighboring areas, a self-propelling soil improving system and a soil improving method. <P>SOLUTION: A hopper 10, into which earth and sand to be improved are supplied by an hydraulic shovel, is mounted on the front part of a vehicle body 9 mounted on a hopper travelling body of the self-propelling soil improving machine 1. A container 11 for storing a soil conditioner is mounted at the back of the hopper 10 on the vehicle body 9. A mixing device 15 is mounted on the vehicle body 9 for mixing the soil conditioner supplied from the container 11 and the earth and sand supplied from the hopper 10. A conveyer 16 is installed for conveying the improved earth and sand toward the front of he vehicle body 9, and dropping them, which improved earth and sand are mixed with the soil conditioner and dropped from the mixing device 15. The discharged earth and sand are leveled by a travelling body 1 or a blade while the self-propelling soil improving machine travels. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a self-propelled soil improvement machine, a self-propelled soil improvement system, and a soil improvement method used for improving soft ground and strengthening the ground.
[0002]
[Prior art]
In road construction, foundation construction, or burial construction of gas pipes and water and sewage pipes, the soil is soft, so improve it with cement, lime, etc., and backfill the soil with an appropriate grain size, moisture content, and hardness. You may need to.
[0003]
There are two types of soil improvement machines that perform such soil improvement: stationary (stationary) soil improvement machines and self-propelled machines. The stationary soil improvement machine transports the soil to be improved excavated at the site to the place where the soil improvement machine is installed, mixes the soil with the soil that has been transported to the place where the soil improvement machine is located, mixes the improvement material, The improved earth and sand must be transported to the site again and backfilled.
[0004]
On the other hand, since the self-propelled soil improvement machine can be carried into the site, the labor, time, and cost required for such transportation can be omitted. The conventional self-propelled soil improvement machine is equipped with a hopper in front of the car body for charging earth and sand to be improved, a container for storing the improvement material in the center, and the soil and the improvement material from the container below. A mixing device is provided for mixing the improved soil and sand, and the improved earth and sand dropped from the mixing device is conveyed to the rear of the vehicle body by a conveyor to be collected (for example, see Patent Document 1).
[0005]
[Patent Document 1]
JP-A-2000-45263 (FIG. 1)
[0006]
As another means for improving the soft ground on site, there is a method of spraying an improving material such as lime on the soil and then agitating the soil with a stabilizer or a bucket to improve the soil.
[0007]
[Problems to be solved by the invention]
The conventional self-propelled soil improvement machine as described above carries out the improved earth and sand by the conveyor to the rear of the self-propelled soil improvement machine and accumulates the soil to improve the soil. It is necessary to transport to the return location and to evenly backfill it with a bulldozer or the like, and there is a problem that the number of working machines increases and the work takes time. In addition, there is a problem that a place for accumulating the improved earth and sand is required, and it is difficult to work on a narrow site.
[0008]
On the other hand, according to the method of spraying and stirring the improving material on site, it is difficult to uniformly mix the improving material, and the soil quality is deteriorated, and the improved material to be sprayed is scattered to cause trouble to the neighborhood. There is a problem of having.
[0009]
The present invention has been made in view of the above problems, and in a site where soil is improved, it is possible to efficiently perform soil improvement without requiring many working machines and a large place, and without disturbing the neighborhood, and to improve soil quality. It is an object of the present invention to provide a self-propelled soil improvement machine, a self-propelled soil improvement system, and a soil improvement method capable of obtaining quality.
[0010]
Another object of the present invention is to provide a self-propelled soil improvement machine, a self-propelled soil improvement system, and a soil improvement method that can return the improved earth and sand uniformly to an excavated area at a site where soil is improved. And
[0011]
[Means for Solving the Problems]
(1) The self-propelled soil improvement machine of the present invention is equipped with a hopper for charging earth and sand to be improved at a front portion of a vehicle body installed on a traveling body, and an improvement material is provided behind the hopper on the vehicle body. A mixing device for mixing the improving material supplied from the container and the earth and sand sent from the hopper is installed on the vehicle body, and a mixing device for discharging the improving material discharged from the mixing device is mounted on the vehicle body. A conveyor is provided, which conveys the later improved earth and sand to the front of the vehicle body and drops it.
[0012]
In this way, if the configuration is such that the improved soil is carried out in front of the self-propelled soil improvement machine, while the discharged improved soil is backfilled in the excavated portion, while being stepped on by the traveling body of the self-propelled soil improvement machine, Soil quality can be improved. Therefore, there is no need to carry the backfill of the self-propelled soil improvement machine and transport and accumulate the improved soil as in the past, thus eliminating the need to secure a large space and making it easy to operate even in a narrow space. Work can be done. Further, the soil improvement and backfilling work can be performed efficiently and with one self-propelled soil improvement machine, and the number of working machines can be reduced. In addition, since the soil quality is improved by the mixing apparatus, the mixing of the improving material is uniformly performed, and high-quality improved earth and sand can be obtained. In addition, there is no problem that the improving material scatters and disturbs the neighborhood.
[0013]
(2) In the self-propelled soil improvement machine of the present invention, preferably, a blade for leveling the ground is provided at a front portion of the vehicle body or the traveling body frame.
[0014]
Thus, if the blade is provided, the improved soil can be easily and flattened by the traveling of the self-propelled soil improvement machine.
[0015]
(3) In the self-propelled soil improvement machine of the present invention, preferably, the front end of the conveyor is located forward of the blade.
[0016]
In this way, by positioning the front end of the conveyor, that is, the discharge point of the improved earth and sand, ahead of the blade, the improved earth and sand is dropped on the ground from the front of the self-propelled soil conditioner and backfilled, and the self-propelled soil conditioner is improved. While traveling, the ground can be leveled by the blades.
[0017]
(4) In the self-propelled soil conditioner of the present invention, preferably, the improved earth and sand discharged from the conveyor is diffused in the width direction of the self-propelled soil conditioner at the front portion of the vehicle body and dropped on the ground. A swivel conveyor is provided.
[0018]
In this way, by providing the self-propelled soil conditioner with the revolving conveyor, the revolving conveyor allows the improved soil to spread widely in the width direction of the self-propelled soil conditioner and to be dropped. For this reason, for example, when the soil improvement is performed simultaneously with the excavation of the road and the backfill is performed, the improved earth and sand improved by the self-propelled soil improvement machine can be evenly backfilled at the excavated place. In addition, since the self-propelled soil improvement machine does not need to be used for leveling backfill soil with the improved soil, the operation rate of the soil improvement work of the self-propelled soil improvement machine is increased, and the efficiency is improved.
[0019]
(5) In the soil improvement method of the present invention, the soil to be improved is put into a hopper provided in front of the self-propelled soil improvement machine, and the soil supplied from the hopper and mounted on the self-propelled soil improvement machine. The improved material supplied from the improved container is mixed with the mixing device installed in the self-propelled soil conditioner, and the improved soil mixed with the improved material is transported to the front of the self-propelled soil conditioner and falls to the ground Then, the self-propelled soil conditioner is run by the traveling body of the self-propelled soil conditioner to level the ground on which the improved soil has fallen, and is leveled.
[0020]
With such a method, as described above, it is possible to efficiently perform soil improvement without requiring a large number of working machines and large places, and without disturbing the neighborhood due to scattering of the improving material, and at the same time, high soil quality. Is obtained.
[0021]
(6) In the soil improvement method of the present invention, preferably, the self-propelled soil conditioner is run on the ground on which the improved soil has fallen using a blade provided in the self-propelled soil conditioner. Thus, the improved soil can be easily and evenly leveled.
[0022]
(7) In the soil improvement method of the present invention, the soil to be improved is put into a hopper provided in a front part of a self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improved material is transported by a conveyor to the front of the self-propelled soil improvement machine,
The improved soil transported in front of the self-propelled soil conditioner is diffused in the width direction of the self-propelled soil conditioner and dropped on the ground by a revolving conveyor attached to the front of the self-propelled soil conditioner. It is characterized by the following.
[0023]
As described above, by using the revolving conveyor provided in the self-propelled soil conditioner to spread and drop the improved soil in the width direction of the self-propelled soil conditioner, the improved soil is excavated as described above. It is possible to evenly backfill where it has been done, and the operation rate of earth and sand improvement work is increased, improving efficiency.
[0024]
(8) The self-propelled soil improvement system of the present invention includes a self-propelled soil improvement machine and a hydraulic shovel that excavates and loads soil to be improved on the self-propelled soil improvement machine. The improvement machine is equipped with a hopper for charging earth and sand to be improved at a front portion on the vehicle body, and a container for storing an improvement material behind the hopper on the vehicle body, and the container is provided on the vehicle body. A mixing device for mixing the improved material supplied from the hopper and the earth and sand sent from the hopper is installed, and the improved earth and sand mixed with the improved material discharged from the mixing device is transported to the front of the vehicle body and dropped. It is characterized by having a conveyor.
[0025]
In this way, by configuring the self-propelled soil improvement system with the hydraulic excavator and the self-propelled soil improvement machine that carries out the improved soil in front, the hydraulic excavator is positioned ahead of the self-propelled soil improvement machine. , Excavation of soil to be improved by running of excavator, turning, articulated front operation, loading to hopper, backfilling from the front with a self-propelled soil conditioner conveyor, and continuous running while leveling Work can be performed efficiently and with a small number of working machines without requiring a large space. Further, as described above, the soil quality can be improved with high quality without scattering the improving material in the vicinity.
[0026]
(9) In the self-propelled soil improvement system according to the present invention, preferably, the leveling blade is provided in the self-propelled soil improvement machine. As described above, by providing the blade, the ground on which the improved earth and sand has fallen can be easily and flattened as described above.
[0027]
(10) In the self-propelled soil improvement system of the present invention, preferably, the improved earth and sand discharged from the conveyor is provided in front of a body of the self-propelled soil improvement machine in a width direction of the self-propelled soil improvement machine. A revolving conveyor that spreads and falls to the ground is provided. As a result, as described above, it becomes possible to bury the improved earth and sand evenly in the excavated area, and the operation rate of the earth and sand improvement work is increased, thereby improving the efficiency.
[0028]
(11) In the soil improvement method according to the present invention, the soil is excavated by a hydraulic shovel, the excavated earth and sand is thrown into a hopper provided in a front part of a self-propelled soil improvement machine, and the earth and sand supplied from the hopper are The improved material supplied from the container mounted on the self-propelled soil conditioner is mixed with the mixing device installed on the self-propelled soil conditioner, and the improved soil mixed with the improved material is used for the self-propelled soil conditioner. It is transported forward and dropped on the ground, and the ground on which the improved soil has fallen is run by the self-propelled soil conditioner using the traveling body of the self-propelled soil conditioner to level the ground.
[0029]
As described above, by performing the soil improvement by the hydraulic excavator and the self-propelled soil improvement machine that carries out the improved earth and sand from the front, as described above, the efficiency is continuously improved while the soil improvement is leveled, and a small number of soils are improved. Work can be performed with a work machine without requiring a large space. Further, as described above, it is possible to obtain a high-quality improved soil without scattering the improving material in the vicinity.
[0030]
(12) In the soil improvement method using the excavator and the self-propelled soil conditioner according to the present invention, preferably, the self-propelled soil conditioner is driven by a blade provided on the soil conditioner on which the improved soil falls. As described above, the ground on which the improved soil has fallen can be easily and flattened by leveling.
[0031]
(13) In the soil improvement method using the excavator and the self-propelled soil conditioner according to the present invention, preferably, the improved earth and sand discharged from the conveyor is automatically forwarded in front of a body of the self-propelled soil conditioner. A revolving conveyor that spreads in the width direction of the traveling soil conditioner and drops to the ground is provided. As a result, as described above, it becomes possible to bury the improved earth and sand evenly in the excavated area, and the operation rate of the earth and sand improvement work is increased, thereby improving the efficiency.
[0032]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a side view showing an embodiment of a self-propelled soil improvement system for implementing the soil improvement method of the present invention. This system comprises a self-propelled soil conditioner 1 and a hydraulic excavator 2 as an excavator / loader. The hydraulic excavator 2 has a revolving unit 5 installed on a crawler-type traveling unit 3 via a revolving device 4, an articulated front 6 attached to the revolving unit 5, and a bucket 7 attached to the tip thereof.
[0033]
On the other hand, as shown in the side view of FIG. 2, the plan view of FIG. 3, and the front view of FIG. 4A, the self-propelled soil improvement machine 1 has a vehicle body 9 mounted on a crawler type traveling body 8 having a crawler 8a. Then, a hopper 10 for charging earth and sand is mounted on a front portion of the vehicle body 9. Further, a container 11 for storing an improving material such as cement or lime is mounted behind the hopper 10 (in the present embodiment, at the center of the vehicle body 9). A hydraulic power unit 12 is mounted at the rear of the vehicle body 9.
[0034]
A fixed amount supply device 13 is provided below the container 11 in the vehicle body 9. Further, below the container 11, a mixing device 15 for mixing the improving material supplied by the fixed amount supply device 13 and the earth and sand supplied by the conveyor 14 provided below the hopper 10 is provided. The fixed-quantity supply device 13 has, for example, four blades attached to a rotating shaft, and accommodates a fixed amount of improving material between the blades located on the upper surface and rotates the same. The improved material is dropped downward, and the rotation speed is controlled in accordance with the degree of softness of the soil to be improved, so that the improved hardness, moisture content, and grain size can be obtained. .
[0035]
As shown in FIG. 4 (B), the mixing device 15 has an even number of rotating shafts 15a and a paddle 15b attached to each rotating shaft 15a. The pair of rotating shafts 15a, 15a Is rotated in a direction sandwiched between the two, thereby mixing the earth and sand with the improving material and discharging the mixture through the discharge port 15c (see FIG. 2).
[0036]
Reference numeral 16 denotes a conveyor for carrying the improved earth and sand discharged from the mixing device 15 to the front of the self-propelled soil improvement machine 1. The conveyor 16 is installed between the left and right crawlers 8a, 8a of the traveling body 1, the rear end of the conveyor 16 is located below the discharge port 15c of the improved earth and sand of the mixing device 15, and the front end of the self-propelled soil improvement machine 1 is located at the front end. Located forward.
[0037]
Reference numeral 17 denotes a passage provided around the container 11 on the vehicle body 9, and is used by an operator to monitor the earth and sand filling state of the hopper 10 and the filling state of the improving material in the container 11 which are not visible to the operator of the excavator 2. It is up.
[0038]
When performing soil improvement using this self-propelled soil improvement system, as shown in FIG. 1, the hydraulic excavator 2 is positioned prior to the self-propelled soil improvement machine 1, and the traveling and turning device 4 of the hydraulic excavator 2 is used. By operating the revolving structure 5 and the joint of the articulated front 6, the excavation of the soil to be improved by the bucket 7 and the loading of the soil to the hopper 10 are performed while the soil improvement by the self-propelled soil improvement machine 1 is performed. Do.
[0039]
In the self-propelled soil improvement machine 1, the earth and sand fed into the hopper 10 are supplied to the mixing device 15 by a predetermined amount per predetermined time by the operation of the conveyor 14, while the improvement material stored in the container 11 is supplied by the quantitative supply device. 13 to the mixing device 15 for mixing. As shown in FIG. 1, the improved soil 18 mixed with the improving material in the mixing device 15 is conveyed to the ground from the front of the self-propelled soil improvement machine 1 by the conveyor 16 and backfilled. The improved soil 19 that has fallen to the ground can be leveled by, for example, running the self-propelled soil improvement machine 1 in a zigzag manner so that the crawler 8a runs on the backfilled soil. Such running for leveling may be performed while mixing by the mixing device 15 or temporarily stopped. In addition, the hydraulic shovel 2 located in front of the self-propelled soil conditioner 1 can perform leveling by the bucket 7 during excavation of the soil.
[0040]
By using such a system, the improved earth and sand discharged to the ground can be continuously and efficiently made uniform while traveling. That is, unlike the case where the improved earth and sand is carried backward, the improved earth and sand are not accumulated backward, so that a place for accumulation is unnecessary. In addition, it is not necessary to refill the accumulated earth and sand again, and the work can be performed efficiently. Also, a work machine for backfilling is not required, and work can be performed with a small number of work machines. In addition, since the improving material is mixed with the earth and sand by the mixing device 15, there is no need to spray the improving material on the ground, no annoying that the improving material is scattered in the vicinity, and the improving material is uniformly mixed. It can supply quality improved earth and sand.
[0041]
FIG. 5 is another embodiment of a self-propelled soil improvement system for implementing the soil improvement method of the present invention. FIGS. 6 and 7 are side and front views of a self-propelled soil improvement machine 1A used in this system. It is. In this self-propelled soil improvement machine 1A, a blade 20 for leveling the ground is positioned on a frame of the traveling body 1 or on a front portion of a vehicle body 9 as shown by an up-down position adjusting device such as a hydraulic cylinder 21 or the like. It is adjustable. Further, the blade 20 is configured so as to be behind the front end of the improved earth and sand conveyer 16, that is, the discharge end (so that the front end of the conveyor 16, that is, the discharge end is located in front of the blade 20). .
[0042]
If such a blade 20 is provided, the self-propelled soil conditioner 1A is run and leveled by the blade 20, so that the improved soil can be leveled easily and flatly. Further, by setting the position of the front end of the conveyor 16 forward of the position of the blade 20, the improved earth and sand is dropped on the ground from the front of the self-propelled soil improvement machine 1A, and the self-propelled soil improvement machine 1A is advanced. The ground can be leveled by the blade 20.
[0043]
For this reason, the soil is excavated in a groove shape by the hydraulic excavator 2, followed by the self-propelled soil conditioner 1, the improved soil is backfilled from the conveyor 16 to the ground, and the blades 20 level the same. It is possible to obtain flattened and improved soil in a continuous operation with higher efficiency than in the embodiment.
[0044]
FIG. 8 shows another embodiment of a self-propelled soil improvement system for implementing the soil improvement method of the present invention. FIGS. 9 and 10 are partial side views of a self-propelled soil improvement machine 1B used in this system, It is a partial plan view.
[0045]
In the present embodiment, in the self-propelled soil conditioner 1B, the improved earth and sand discharged from the conveyor 16 is diffused in the width direction of the self-propelled soil conditioner at the front of the vehicle body 9 and dropped onto the ground. A revolving conveyor 23 is provided.
[0046]
That is, the revolving conveyor 23 is rotatable around a pivot shaft 24 provided at a lower part in front of the vehicle body 9, and the rear end of the conveyor 23 is located below the front end of the conveyor 16, and the front end of the conveyor 16 is The revolving conveyor 23 receives the improved earth and sand that has fallen from the ground, spreads it further forward, and drops it. In this embodiment, in order to enable adjustment of the inclination angle of the conveyor 23, a horizontal swing arm 25 is attached to the pivot shaft 24, and a bracket provided on the frame of the horizontal swing arm 25 and the swing type conveyor 23. 26 are connected to each other by pins 27 so as to be swingable in the vertical direction.
[0047]
Reference numeral 29 denotes a turning device installed above the pivot shaft 24 in the vehicle body 9 so that the axis of the pivot shaft 24 and the center of rotation are concentric. The turning device 29 turns a turning wheel 31 by a turning motor 30, and an arm 32 is fixed to the turning wheel 31. The arm 32 and the bracket 33 provided in front of the bracket 26 of the frame of the revolving conveyor 23 are connected to a wire or link 34 and a length adjuster 35 for adjusting the inclination angle of the conveyor, such as a turnbuckle. Connected.
[0048]
By operating the rotation motor 30, the revolving conveyor 23 can take a posture in which the conveyor 23 is swung, for example, by 45 degrees each on the left and right from a posture facing forward as shown in FIG. Thereby, the improved earth and sand discharged from the conveyor 16 can be discharged in the width direction of the self-propelled soil conditioner 1B over a wider range than the width of the self-propelled soil conditioner 1B.
[0049]
FIG. 11 is a plan view showing an operation state in which soil improvement and backfilling are performed simultaneously with excavation of a road, for example, using the system shown in FIG. In this system, the excavator 2 excavates a predetermined excavation width (for example, the width of one lane) W on the road 36, and at the same time, performs soil improvement by the self-propelled soil improvement machine 1B, and self-propelled the improved soil. When dropping and filling back from the front of the type soil improvement machine 1B, the revolving conveyor 23 is swung to the left and right to drop the improved earth and sand so that the improved earth and sand is uniformly distributed over the entire excavation width W to a substantially uniform thickness. Can be backfilled.
[0050]
Further, for this reason, the traveling by the self-propelled soil improvement machine 1B or leveling by hand, or the leveling operation by the blade 20 is not necessarily required, or the amount of the leveling operation can be significantly reduced. For this reason, the self-propelled soil improvement machine 1B can be dedicated to soil improvement, the operation rate of the self-propelled soil improvement machine 1B for soil improvement work increases, and the efficiency of soil improvement work or overall work improves. I do.
[0051]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, in the site which improves soil, it is possible to efficiently perform soil improvement without requiring many working machines and a large improvement soil accumulation place, and without disturbing the neighborhood, High soil quality can be obtained because the improved soil is backfilled.
[0052]
In addition, a revolving conveyor that spreads the improved earth and sand discharged from the conveyor in the width direction of the self-propelled soil improvement machine and drops it on the ground is provided, enabling uniform backfill of the improved soil and self-propelled Efficiency improvement can be achieved by using a dedicated soil improvement machine exclusively for soil improvement.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of a self-propelled soil improvement system for implementing a soil improvement method according to the present invention.
FIG. 2 is an enlarged side view of the self-propelled soil conditioner of FIG.
FIG. 3 is an enlarged plan view of the self-propelled soil conditioner of FIG. 1;
4 (A) is a front view of FIG. 2, and FIG. 4 (B) is a sectional view of a mixing device used for the self-propelled soil conditioner.
FIG. 5 is a side view showing another embodiment of the self-propelled soil improvement system for implementing the soil improvement method according to the present invention.
FIG. 6 is an enlarged side view of the self-propelled soil conditioner of FIG. 5;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a side view showing another embodiment of the self-propelled soil improvement system for implementing the soil improvement method according to the present invention.
FIG. 9 is a partially enlarged side view of the self-propelled soil conditioner of FIG. 8;
FIG. 10 is a partially enlarged plan view of FIG. 9;
FIG. 11 is a plan view illustrating a working mode by the system of FIG. 8;
[Explanation of symbols]
1, 1A: self-propelled soil improvement machine, 2: hydraulic excavator, 3: traveling body, 4: swivel device, 5: revolving body, 6: articulated front, 7: bucket, 8: crawler traveling body, 8a: Crawler, 9: Car body, 10: Hopper, 11: Container, 12: Hydraulic power unit, 13: Fixed amount supply device, 14: Conveyor, 15: Mixing device, 16: Conveyor, 17: Passage, 18, 19: Improved earth and sand, 20 : Blade: 21: Hydraulic cylinder; 23: Revolving conveyor; 24: Pivot shaft; 25: Horizontal revolving arm; 26: Bracket; 27: Pin; 29: Revolving device; 30: Revolving motor; : Arm, 33: bracket, 34: wire or link, 35: length adjuster, 36: road

Claims (13)

Equipped with a hopper for putting earth and sand to be improved at the front part on the vehicle body installed on the traveling body,
Equipped with a container for storing the improving material behind the hopper on the vehicle body,
On the vehicle body, a mixing device that mixes the improving material supplied from the container and earth and sand supplied from the hopper is installed,
A self-propelled soil improvement machine, comprising a conveyor for transporting and dropping the improved earth and sand mixed with the improved material discharged from the mixer to the front of the vehicle body. The self-propelled soil improvement machine according to claim 1,
A self-propelled soil improvement machine, wherein a blade for leveling the ground is provided at a front portion of the vehicle body or the traveling body frame. The self-propelled soil improvement machine according to claim 2,
A self-propelled soil improvement machine, wherein a front end of the conveyor is located forward of the blade. The self-propelled soil improvement machine according to any one of claims 1 to 3,
A self-propelled soil conditioner, wherein a swiveling conveyor for dispersing the improved soil and sand discharged from the conveyor in the width direction of the self-propelled soil conditioner and dropping it on the ground is provided at a front portion of the vehicle body. . Put the earth and sand to be improved into the hopper provided at the front of the self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improving material is transported in front of the self-propelled soil improvement machine and dropped on the ground,
A soil improvement method characterized in that a self-propelled soil improvement machine is driven by a self-propelled soil improvement machine to level the ground on which the improved soil has fallen. Put the earth and sand to be improved into the hopper provided at the front of the self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improved material is transported by a conveyor to the front of the self-propelled soil improvement machine and dropped on the ground,
A soil improvement method characterized by running a self-propelled soil conditioner using a blade provided on the self-propelled soil conditioner to level the ground on which the improved soil has fallen. Put the earth and sand to be improved into the hopper provided at the front of the self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improved material is transported by a conveyor to the front of the self-propelled soil improvement machine,
The revolving conveyer provided at the front of the self-propelled soil conditioner spreads the improved earth and sand conveyed in front of the self-propelled soil conditioner in the width direction of the self-propelled soil conditioner and drops the ground. A soil improvement method characterized by the following. A self-propelled soil improvement machine, and a hydraulic excavator that excavates and loads soil to be improved on the self-propelled soil improvement machine,
The self-propelled soil improvement machine is equipped with a hopper for charging earth and sand to be improved at a front portion on the vehicle body,
Equipped with a container for storing the improving material behind the hopper on the vehicle body,
On the vehicle body, a mixing device that mixes the improving material supplied from the container and earth and sand supplied from the hopper is installed,
A self-propelled soil improvement system, comprising a conveyor for transporting and dropping the improved earth and sand mixed with the improved material discharged from the mixer to the front of the vehicle body. The self-propelled soil improvement system according to claim 8,
A self-propelled soil improvement system, characterized in that a blade for leveling the ground on which the improved soil has fallen is provided at the front of a vehicle body or a traveling body frame of the self-propelled soil improvement machine. The self-propelled soil improvement system according to claim 8 or 9,
A self-propelled soil improvement system, wherein a swiveling conveyor for dispersing the improved earth and sand discharged from the conveyor in the width direction of the self-propelled soil improvement machine and dropping it on the ground is provided at a front portion of the vehicle body. . Excavate the soil with a hydraulic excavator and put the excavated earth and sand into a hopper provided in front of a self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improving material is transported in front of the self-propelled soil improvement machine and dropped on the ground,
A soil improvement method characterized in that the self-propelled soil conditioner is leveled by running the self-propelled soil conditioner on the ground on which the improved soil has fallen. Excavate the soil with a hydraulic excavator and put the excavated earth and sand into a hopper provided in front of a self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improved material is transported by a conveyor to the front of the self-propelled soil improvement machine and dropped on the ground,
A soil improvement method characterized by running a self-propelled soil conditioner using a blade provided on the self-propelled soil conditioner to level the ground on which the improved soil has fallen. Excavate the soil with a hydraulic excavator and put the excavated earth and sand into a hopper provided in front of a self-propelled soil improvement machine,
Mixing the earth and sand supplied from the hopper and the improving material supplied from a container mounted on the self-propelled soil conditioner with a mixing device installed on the self-propelled soil conditioner,
The improved soil mixed with the improved material is transported by a conveyor to the front of the self-propelled soil improvement machine,
The revolving conveyer provided at the front of the self-propelled soil conditioner spreads the improved earth and sand conveyed in front of the self-propelled soil conditioner in the width direction of the self-propelled soil conditioner and drops the ground. A soil improvement method characterized by the following.

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