KR102632132B1 - Equipment for solidifying surface of soft ground, and solidifying method using the same - Google Patents

Abstract

By using a surface solidification device, which is an excavator attachment device, there is no separate mixing chamber for mixing the soil and solidified material on the surface layer of the ground, and even if the solidified material and soil are mixed directly on soft ground, the mixing process of soil and solidified material It is possible to prevent powdered solidifying material from polluting the atmosphere, and in addition, in the surface layer solidification process of soft ground of a certain area, a fixed amount of powdered solidifying material can be supplied uniformly and quantitatively without any deviation in the supply amount depending on the location. The powdered solidified material is supplied to the ground in a sealed state, the powdered solidified material and the soil are immediately mixed in a compacted form, and the soil and the solidified material can be immediately mixed on the ground by passing the surface layer solidification device once. A surface solidification device and a surface solidification method using the same are provided, which can prevent the emission of harmful gases and improve energy efficiency by operating the surface solidification device itself without any additional power just by operating an excavator.

Description

Surface solidification device and surface solidification method using the same {EQUIPMENT FOR SOLIDIFYING SURFACE OF SOFT GROUND, AND SOLIDIFYING METHOD USING THE SAME}

The present invention relates to a surface layer solidification device. More specifically, the surface layer of the ground is solidified using a surface layer solidification device attached to an excavator arm in the form of an attachment, and a fixed amount of powder-type solidifying agent is supplied and scattering is prevented. It relates to a surface layer solidification device that can be used and a surface layer solidification method using the same.

In general, the soft ground improvement method is to improve the soft ground by injecting and mixing solidifying materials such as cement into the soft ground and then hardening it to construct a ground improvement product in the soft ground.

Specifically, in the case of soft ground improvement methods, based on the depth of fire treatment target, it is divided into surface mixing treatment method, middle layer (5~15m) mixing treatment method, and deep mixing treatment method (including high pressure injection system).

At this time, the surface mixing treatment method treats a depth of about 1 to 5 m from the ground surface, and the deep mixing treatment method treats a depth of 15 m or more.

In order to improve the soft ground at the surface depth according to the conventional technology, mixing is usually done through a backhoe bucket. When such a backhoe bucket is used, the mixing ratio is poor, it is disadvantageous to secure bearing capacity, construction period is delayed, and construction costs are high. A problem arises where too much is used.

Meanwhile, as a prior art for solving the above-described problems, Japanese Patent Laid-Open No. 2001-32263 discloses an invention titled “self-propelled soil improvement machine,” which will be described with reference to FIG. 1.

Figure 1 is a diagram showing a self-propelled soil improvement machine according to the prior art, where a) in Figure 1 is a side view and b) in Figure 1 is a product photo.

Referring to FIG. 1, a self-propelled soil improvement machine according to the prior art is installed by connecting the main body frame 12, which constitutes the chassis, to the lower traveling body 11.

If the left side in a) of FIG. 1 is the front of the self-propelled soil improvement machine, the supply unit 13 is disposed in front of the main body frame 12.

Additionally, a processing mechanism 14 is mounted behind the main body frame 12, and a discharge unit 5 is installed rearward of the processing mechanism 14.

The discharge section 15 extends obliquely upward from the lower position of the processing mechanism 14, and a machine room 16 containing machines such as an engine, a hydraulic pump, and a direction change valve unit is installed at the upper part of the processing mechanism 14. do.

This machine room 16 is supported by a support portion installed on the main body frame 12.

The supply unit 13 is a supply mechanism that supplies soil and soil improvement material, and is provided with a mechanism to measure the amount of soil and sand in order to adjust the mixing ratio of the supplied soil and soil improvement material.

Additionally, a loading conveyor 21 for transporting soil and soil improvement materials toward the processing mechanism 14 is installed in the supply section 3.

In the conveyance direction of this loading conveyor 21, the soil hopper 22 is installed in front of the uppermost part of the self-propelled soil improvement machine, and the soil improvement material supply device 23 is installed in a rear position than the soil hopper 22. do.

In addition, the conveyance amount of soil is measured on the loading conveyor 21, and the supply amount of the soil improvement material supplied by the soil improvement material supply device 23 can be adjusted according to this measured amount.

According to the self-propelled soil improvement machine according to the prior art, the operator can easily and accurately recognize the consumption and remaining amount of the soil improvement material while performing the soil improvement process.

However, in the case of self-propelled soil improvement machines according to conventional technology, as they are dedicated machines for soil improvement, many machines such as engines, hydraulic pumps, and direction change valve units must be installed all in one, so they are often unsuitable for use. There are economic limitations.

Meanwhile, Figure 2 is a diagram showing a solidifying material mixing process according to conventional technology.

As shown in Figure 2, the solidification material mixing process according to the conventional technology consists of the process of original ground soil → introduction of solidification material → mixing and stirring of solidification material → transportation and placement of solidification material → compaction → curing. It is produced by supplying soil to the mixing equipment.

In the case of the solidification material mixing process according to the conventional technology, there is a limitation that an additional process is required to supply the base soil and soil and a separate excavator must be used. In addition, the use of agitators and excavators requires an oil tank, emits a lot of carbon, and requires specialized manpower to manage and operate expensive equipment.

In other words, the surface layer solidification method of soft ground according to the conventional technology is as shown in Figure 2,

The soil quality of the soft ground distributed at the construction site is analyzed, structural review and mix design are performed, and the original ground soil is mixed with solidification material at a set ratio to produce improved soil. Afterwards, it is required for the ground through compaction and curing processes. It is a method to secure the support capacity.

Specifically, according to the prior art, equipment capable of entering soft ground was mobilized to place ton bags or ton bags containing solidification material in various locations in the amount that the mixing device would use at one location.

In addition, the bag was inserted into the solid hopper at the top of the mixing device using a separate lifting device such as a crane, and the bottom of the bag was torn off and poured out. For example, usually 5 to 6 gunny bags are used per hour.

However, in the process of putting powdered solidifying material into the mixing device, the fine solidifying material may spread into the atmosphere at the moment of tearing the ton bag, and also, the powdered solidifying material may be exposed to the atmosphere and blown away by the wind, contaminating the surrounding air. A problem arose.

In addition, when soil and solidified material from soft ground were mixed in a separate mixing chamber, process efficiency was lowered, the construction period was prolonged, and construction costs increased.

Meanwhile, as a prior art for improving the soft ground of the surface depth, an invention titled "Surface Ground Solidification Method Using SGM (Soil Geolead Mixed)" is disclosed in Republic of Korea Patent No. 10-2185405. Description will be made with reference to FIGS. 3A and 3B.

Figure 3a is a diagram showing a stirring device according to the prior art, and Figure 3b is a flowchart explaining the ground solidification method for the surface layer using SGM.

Referring to FIG. 3A, the stirring device 30 according to the prior art is configured to include a solidification supply unit 31, a ground soil supply unit 32, a stirring unit 33, and a transfer unit 34.

The solidification material supply unit 31 supplies soil geolead, a high-performance solidification material, to the stirring unit 33, and the ground soil supply unit 32 supplies raw soil to the stirring unit 33.

The stirring unit 33 produces mixed improved soil by stirring the georid delivered from the solidifying material supply unit 31 and the raw ground soil delivered from the ground soil supply unit 32, and then delivers it to the transfer unit 34 located below. .

The conveying unit 34 is connected to the lower side of the stirring unit 33 and transfers the mixed modified soil falling from the stirring unit 33 using a conveyor system.

The stirring device 30 according to the prior art produces high-quality mixed improved soil through uniform stirring of georid, which is a highly functional solidification material, and the original ground soil, so that ground solidification for the surface layer can be efficiently achieved.

In addition, referring to Figure 3b, in the surface layer solidification method using SGM in the conventional technology, first, the raw ground soil of the soft ground is excavated about 5 m below the surface (S10).

Next, the original soil excavated in the excavation step (S10) and Soil Geolead, an environmentally friendly, highly functional high-fire material mainly composed of pure minerals, are mixed using a stirring device 30 to produce mixed improved soil. Do it (S20).

Next, the mixed improved soil produced in the improved soil production step (S20) is laid (S30).

Next, compaction is performed using voltage equipment to ensure the bearing capacity of the mixed improved soil laid in the improved soil laying step (S30) (S40).

The ground solidification method for the surface layer using SGM according to conventional technology mixes and stirs in-situ poor soil and sand from about 5m below the surface and georid, an eco-friendly solidification material, to strengthen the soft ground through chemical reactions such as hydration and cation exchange. By securing the bearing capacity and stability required for structure foundations, equipment drivability, road construction, embankment, and factory site foundation construction, it is highly effective in improving organic and sandy soils with high moisture content in soft ground and reduces the costs of excavation, house soil, and residual soil treatment. You can.

However, in the case of the surface layer ground solidification method using SGM according to conventional technology,

As shown in Figure 3b, the task of excavating the improved section using an excavator (S10), the task of mixing solidification material and field soil using an excavator (S20), and the task of laying mixed soil using an excavator (S30) and compaction of the laid site using an excavator or a separate compaction vehicle (S40).

However, in the case of the ground solidification method for the surface layer using SGM according to the conventional technology, the construction speed is slow because soil and cement are mixed with an excavator, a separate mixing location is required, and it is difficult to maintain a constant mixing ratio. , In addition, since the laying and compaction process is carried out during construction, the construction period is significantly slow and the construction cost is inevitably set high.

Accordingly, in order to perform surface ground reinforcement work, there is an urgent need to develop a device that can perform excavation, laying, and compaction at the same time.

Meanwhile, as a prior art to solve the above-mentioned problems, Republic of Korea Patent No. 10-2251843 discloses an invention titled “Ground improvement device for construction work and method of reinforcing surface ground or embankment ground using the same.” This will be explained with reference to FIG. 4 .

Figure 4 is a side view showing a ground improvement device for construction work according to conventional technology.

Referring to FIG. 4, the ground improvement device 40 for construction work according to the conventional technology is installed on a traveling construction machine 40a and largely includes an installation frame 41, a storage tank 42, an excavation device 43, It is comprised of a stirring device 44, an injector 45, and a leveler 46.

The installation frame 41 is connected to and installed at the front or rear of the traveling construction machine 40a and includes a vertical member made of an upper plate 41a and a lower plate 41b. At this time, the traveling construction machine 40a may be composed of various devices such as an excavator and a payloader.

However, in the case of an excavator, there is insufficient space to mount the storage tank 42 because it is equipped with a boom and a bucket, whereas in the case of a payloader, a space can be formed behind the driver's seat where the storage tank 42 can be installed internally or externally. .

The storage tank 42 stores additives inside and is installed on one side of the traveling construction machine 40a.

The additive may be made of a powdery binder (cement) or a solidifying material, or may be a mixture of either the binder (cement) or the solidifying material and water.

The upper part of the excavation device 43 is connected to the installation frame 41, the lower part is inclined downward toward the ground, and the lower part has a pointed shape to excavate the ground by the movement of the traveling construction machine 40a. .

A plurality of such excavating devices 43 are arranged in one or two rows on the installation frame 41 and can excavate a large area of ground at once.

The stirring device 44 is connected to the installation frame 41, is disposed at the rear of the excavation device 43, and includes a stirring height adjustment device 44a.

This stirring device 44 consists of a cylindrical rotating body connected to a motor and stirring blades arranged in a spiral shape along the outer peripheral surface of this rotating body, and serves to evenly agitate the ground that the excavating device 43 has excavated and passed.

That is, the field soil excavated through the excavator 43 can be stirred and mixed.

The sprayer 45 is installed between the excavator 43 and the stirring device 44, and is connected to the storage tank 42 through a pipe to spray the mixed solution into the ground excavated by the excavator 43.

Specifically, a distribution pipe connected to the storage tank 42 and the pipe is installed in parallel with the rotating body, and a plurality of spray nozzles are installed along the longitudinal direction at the bottom of the distribution pipe to excavate the ground through the excavator 43. The mixed solution is sprayed before being stirred through the stirring device 44, so that the stirring device 44 mixes the excavated field soil and the mixed solution while stirring.

At this time, a pump is connected to the pipe, and the injection amount can be adjusted by controlling the operation of the pump or adjusting the outlet size of the injection nozzle.

The leveler 46 is installed behind the stirring device 44 and includes a leveling height adjustment device 46a, and serves to level the field soil stirred by the stirring device 44. At this time, the leveler 46 consists of a cylindrical drum body arranged in parallel with the rotating body.

The drum body constituting the leveler 46 naturally compacts the ground by rolling over the mixed and agitated ground under its own weight.

At this time, the drum body may be configured to rotate freely according to the operation of the traveling construction machine 40a, or may be configured to rotate by separate power.

In addition, it is desirable that the depth at which excavation is performed varies depending on the characteristics of the ground on which ground reinforcement construction is performed.

For this purpose, an excavation height adjustment device 43a that adjusts the height of the excavation device 43 may be included.

According to the ground improvement device for construction work according to the conventional technology, the ground is excavated by driving, solidifying material is supplied to the excavated ground, the ground supplied with the solidifying material is mixed, and the mixed ground is compacted. The device is mounted at once on a movable construction machine such as a payloader and work is carried out continuously, thereby significantly reducing the construction cost required for reinforcing the surface ground and shortening the construction period.

However, in the case of the ground improvement device 40 for construction work according to the conventional technology, an installation frame 41, a storage tank 42, an excavator 43, an agitator 44, a sprayer 45, and a leveler ( There is a limitation in that 46) must be manufactured separately to be installed directly on the traveling construction machine 40a.

Meanwhile, Figure 5 is a photograph illustrating a sieve-shaped bucket according to the prior art.

As shown in FIG. 5, soil and solidified material can be mixed using a mesh-shaped bucket 50 according to the prior art. When this sieve-shaped bucket 50 is used, a lot of dust is generated. There are problems in that supply of solidifying material is difficult, a lot of dust is generated, and mixing of solidifying material is difficult.

Republic of Korea Patent No. 10-2251843 (registration date: May 7, 2021), title of invention: “Ground improvement device for construction work and method of reinforcing surface ground or fill ground using the same” Republic of Korea Patent No. 10-2185405 (registration date: November 25, 2020), title of invention: “Surface ground solidification method using SGM” Republic of Korea Patent Publication No. 2015-77978 (publication date: July 8, 2015), title of invention: “Sliding belt conveyor laying device used for covering soil in soft ground and soil covering construction method using the same” Japanese Patent Laid-Open No. 2001-32263 (publication date: February 6, 2001), title of invention: “Self-propelled soil improvement machine”

The technical problem to be achieved by the present invention to solve the above-described problems is to use a surface solidification device as an excavator attachment device, without providing a separate mixing chamber for mixing soil and solidification material in the surface layer of the ground, and solidifying material and solidification material. The purpose is to provide a surface solidification device and a surface solidification method using the same, which can prevent powdered solidified material from scattering and polluting the atmosphere during the mixing process of soil and solidified material even if soil is mixed directly on soft ground.

Another technical problem to be achieved by the present invention is to provide a surface layer solidification device and a surface layer solidification method using the same, which can uniformly supply a fixed amount of powdered solidification material in a ground surface layer solidification process of a fixed area without any deviation in the supply amount depending on the location. It is for this purpose.

Another technical problem to be achieved by the present invention is to supply powdered solidifying material to the ground in a sealed state, immediately mix powdered solidifying material and soil in a compacted form, and separate the soil and sand on the surface by passing the surface layer solidification device once. The purpose is to provide a surface layer solidification device in which solidification materials can be immediately mixed and a surface layer solidification method using the same.

Another technical problem to be achieved by the present invention is to provide a surface solidification device and a surface solidification method using the same, which can prevent the emission of harmful gases and improve energy efficiency by operating the surface solidification device itself without any separate power just by operating the excavator. It is intended to provide.

As a means for achieving the above-mentioned technical problem, the surface layer solidification device according to the present invention includes a compaction roller including a cylindrical body that rotates with a penetrating rotation axis and plays a compaction role; A chain gear whose one side is coupled to the rotating shaft of the compaction roller to transmit rotational force, and whose supply shaft on the other side, which receives the rotating force, is connected to the solidified material supply valve of the solidified material supply hopper to supply powder-type solidified material in a fixed quantity; And a compaction roller and an excavator connection are connected to each other to form a sealed space between the excavator connection parts set to be spaced apart from the compaction roller, and the compaction roller and the chain gear are combined, and both side plates on which a solid fire supply hopper is installed; It is an attachment device attached to the excavator arm at the excavator connection and operates non-powered according to the operation of the excavator, and the compaction roller includes a plurality of protrusions formed on the outer peripheral surface of the cylindrical body; And a rotating shaft that penetrates the center of the cylindrical body and generates a rotational force. The protrusion causes the cylindrical body to rotate and press and mix the powder-type solidification material and soil to achieve compaction.

Meanwhile, as another means of achieving the above-mentioned technical problem, the surface layer solidification method using the surface layer solidification device according to the present invention includes the steps of a) coupling the excavator connection portion of the surface layer solidification device to be attached to an excavator arm; b) excavating the ground and ripping soil by a ripper unit installed on both side plates of the surface solidification device in response to the operation of the excavator; c) rotating the chain gear according to the rotation of the compaction roller of the surface solidification device that is brought into close contact with the surface ground by the operation of the excavator; d) controlling the opening and closing of the solidified material supply valve formed at the bottom of the solidified material supply hopper according to the rotation of the chain gear; e) a step of supplying the powdered solidified material in the solidified material supply hopper to the closed space of the surface solidification device in a fixed amount and mixing the powdered solidified material with the soil to solidify the surface layer of the soft ground by the excavator connection unit. It is an attachment device attached to the excavator arm and operates without power according to the operation of the excavator.

According to the present invention, using a surface solidification device as an excavator attachment device, there is no separate mixing chamber for mixing the soil and solidified material of the ground surface layer, and even if the solidified material and soil are directly mixed on the ground surface layer, the soil and solidified material It can prevent powdered solidified materials from polluting the air during the fire mixing process.

According to the present invention, in the surface layer solidification process of the ground surface layer of a fixed area, a fixed amount of powdered solidification material can be supplied uniformly and quantitatively without deviation in the supply amount depending on the location, thereby simplifying the construction process and increasing the work speed. The time and cost of surface improvement work can be reduced.

According to the present invention, the powdered solidified material is supplied to the surface layer of the ground in a sealed state, the powdered solidified material and the soil are immediately mixed in a compacted form, and the soil and the solidified material are immediately formed on the ground surface layer by passing the surface layer solidification device once. Can be mixed.

According to the present invention, the surface solidification device itself operates without any separate power just by operating the excavator, thereby preventing the emission of harmful gases and improving energy efficiency. In addition, maintenance is simple and operation is simple, so field applicability is excellent.

Figure 1 is a diagram showing a self-propelled soil improvement machine according to conventional technology.
Figure 2 is a diagram showing a solidifying material mixing process according to conventional technology.
Figure 3a is a diagram showing a stirring device according to the prior art, and Figure 3b is a flowchart explaining the ground solidification method for the surface layer using SGM.
Figure 4 is a side view showing a ground improvement device for construction work according to conventional technology.
Figure 5 is a photograph illustrating a mesh-shaped bucket according to the prior art.
Figure 6 is a perspective view showing a surface layer solidification device according to an embodiment of the present invention.
Figure 7 is a perspective view showing a compaction roller in the surface layer solidification device according to an embodiment of the present invention.
Figure 8 is a diagram showing compaction between powder-type solidification material and soil in the surface solidification device according to an embodiment of the present invention.
Figure 9a is a diagram for explaining the operation of the chain gear in the surface solidification device according to an embodiment of the present invention;
Figure 9b is a diagram illustrating the supply of powder-type solidification material in a fixed amount by a solidification material supply valve.
Figure 10 is a diagram for specifically explaining the chain gear ratio exemplified in the surface layer solidification device according to an embodiment of the present invention.
Figure 11 is a view showing a manually operated cover formed on the solidification material supply hopper to prevent leakage of powder-type solidification material in the surface solidification device according to an embodiment of the present invention.
Figure 12a is a diagram showing a sealing structure formed between the compaction roller and the ripper unit in the surface layer solidification device according to an embodiment of the present invention;
Figure 12b is a diagram showing an enclosed space formed to prevent scattering when mixing solidified material and soil.
Figure 13a is a side perspective view specifically showing the ripper unit consisting of a ripper fixing frame and a ripper in the surface layer solidification device according to an embodiment of the present invention;
Figure 13b is a bottom perspective view.
Figure 14 is a diagram showing the tone bag inlet and air outlet formed in the solidification material supply hopper in the surface solidification device according to an embodiment of the present invention.
Figure 15a is a view showing the ripper protruding downward in the surface layer solidification device according to an embodiment of the present invention.
Figure 15b is a perspective view showing a fixing device for fixing the surface layer solidification device, and Figure 15c is a view showing the surface layer solidification device seated on the fixing device.
Figure 16 is a diagram for explaining excavator work in the surface solidification device according to an embodiment of the present invention.
Figure 17a is a perspective view showing the solidification material supply hopper in the surface solidification device according to an embodiment of the present invention, Figure 17b is a side view, and Figure 17c is a view showing that the solidification material supply hopper is formed inclined to avoid interference with the excavator arm. am.
Figure 18 is a view showing a manual dispersion screw formed in the solidification material supply hopper in the surface solidification device according to an embodiment of the present invention.
Figure 19a is a diagram showing an automatic dispersion screw formed in the solidification material supply hopper in the surface solidification device according to an embodiment of the present invention;
Figure 19b is a diagram for explaining the operation of the automatic dispersion screw.
Figure 20a is a view showing replacing the compaction roller with a mixing roller in the surface solidification device according to an embodiment of the present invention;
Figure 20b is a diagram specifically showing the mixing roller.
Figure 21 is a view for explaining the ground guide side plate supporting the ground in the surface layer solidification device according to an embodiment of the present invention.
Figure 22 is an operation flow chart showing a surface layer solidification method using a surface layer solidification device according to an embodiment of the present invention.

Below, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

Throughout the specification, when a part is said to “include” a certain element, this means that it may further include other elements rather than excluding other elements, unless specifically stated to the contrary.

[Surface solidification device (100)]

Figure 6 is a perspective view showing the surface layer solidification device 100 according to an embodiment of the present invention.

Referring to FIG. 6, the surface solidification device 100 according to an embodiment of the present invention is an attachment device attached to the end of the arm 230 of an excavator, and includes a compaction roller 110, a chain gear 120, and a compaction roller 110. It consists of a fire supply hopper (130), a side plate (140), an excavator connection part (150), a ripper part (160), and a ground guide (170).

Referring to FIG. 16, the surface solidification device 100 installed connected to the arm portion 230 of the excavator 300 is mixed and stirred with the powdered solidification material 220 in the soil 210 of the surface ground over the working length of the excavator. It compacts and solidifies the surface layer of the ground.

First, referring to FIGS. 6 and 7, the compaction roller 110 includes a cylindrical body 111, projections 112, and a rotating shaft 113, and the plurality of projections 112 are connected to the cylindrical body 111. In particular, a plurality is formed at predetermined intervals on both ends of the outer circumference,

The protrusions 112 formed on the cylindrical body 111 that come in contact with the soil 210 in which the powder-type solidification material 220 (may be referred to only as the solidification material 220) is mixed and stirred rotate, thereby performing compaction.

In addition, the rotation shaft 113 is in the form of a rod and penetrates roughly through the middle of the cylindrical body 111 and rotates together with the rotation of the cylindrical body 111, and provides a rotational force to the chain gear 120 by the rotation of the rotation shaft 113. It will be delivered.

At this time, referring to FIGS. 20A and 20B, the compaction roller 110 can be replaced with a mixing roller 110'.

Next, referring to FIGS. 6, 9A, and 9B, the chain gear 120 includes a driving wheel 121, a driving gear 122, a first chain 123, an intermediate shaft gear 124, and an intermediate wheel ( 125), a second chain 126, a supply wheel gear 127, and a supply shaft 128,

One side is coupled to the rotation shaft 113 of the compaction roller 110 and rotates, and the other side is connected to the solidification supply valve 132 installed in the supply hopper body 131.

Accordingly, the solidifying material supply valve 132 is able to supply a fixed amount of powder-type solidifying material 220 through the gear ratio of the chain gear 120.

Next, referring to FIGS. 6, 9A, and 9B, the solidified material supply hopper 130 supplies the powdered solidified material 220 to the soil 210 ripped (excavated and pulverized) by the ripper unit 160. As a storage tank for supplying, the powder-type solidified material 220 is supplied in a fixed quantity through the solidified material supply valve 132 installed at the lower part of the supply hopper main body 131.

Referring to FIG. 14, this solidified material supply hopper 130 has a solidified material supply valve 132 located at the bottom of the supply hopper body 131, and a tone bag inlet 133 (solidified material inlet) and an air outlet on the upper surface. (134) is formed,

Referring to FIG. 11, a manually operated cover 135 is formed below the solidifying material supply valve 132,

Referring to FIG. 18, a manual dispersion screw 136 and an automatic dispersion screw 137 including an upper automatic dispersion screw 137a and a lower automatic dispersion screw 137b are installed inside the supply hopper body 131.

Next, referring to FIGS. 6, 12a, and 12b, the side plate 140 is a connection plate assembled on both sides of the compaction roller 110 and the excavator connection part 150 to form the closed space shown in FIG. 12b. As,

As shown in Figure 12a, a through hole exposing the rotation axis 113 of the compaction roller 110 and a through hole through which the intermediate shaft gear 124 and the supply shaft 128 of the chain gear 120 are installed are formed. . Accordingly, as shown in FIG. 6, the compaction roller 110 and the chain gear 120 are coupled by the side plate 140.

In addition, as shown in FIGS. 12A and 12B, a solid fire supply hopper 130 is fixedly installed on the upper surface of both side plates 140, and an excavator connection part 150 is installed horizontally below both side plates 140.

Next, referring to FIGS. 6, 13a, and 16, the excavator connection part 150 is used to connect and install the surface layer solidification device 100 to the excavator arm 320, as shown in FIG. 16.

Accordingly, the surface layer solidification device 100 according to an embodiment of the present invention can be used as an attachment device attached to the excavator arm 320 and can be easily attached and detached.

Referring to FIG. 14, the excavator connection part 150 is connected to the excavator arm 320 by using both side plates 140 so that it can be exposed on one side of the supply hopper body 131 of the solid fire supply hopper 130. It can be seen that it is in the form of a horizontal box that can be connected by means of a connection bracket formed on the upper surface.

Next, referring to FIGS. 6, 12b, and 13a, the ripper unit 160 is installed to cross between the insides of both side plates 140 so as to be exposed to the closed space, and includes a multi-stage ripper fixing frame 161 and the ripper 162. ), and the soil 210 on the surface layer of the ground is excavated, pulverized, and agitated (ripped).

Next, referring to FIGS. 6 and 12B, the ground guide 170 is installed to protrude to both outer sides of the lower part of the side plate 140 and guides the surface layer solidification device 100 to be stably supported on the surface layer of the ground being ripped. ,

Accordingly, the ripper unit 160 mixes the soil 210 to a certain depth from the ground to enable quantitative stirring.

In addition, the ground guide 170 serves to support the surface solidification device 100 from sinking in soft ground.

Meanwhile, Figure 7 is a perspective view showing the compaction roller 110 in the surface layer solidification device 100 according to an embodiment of the present invention.

Referring to FIG. 7, in the surface layer solidification device 100 according to an embodiment of the present invention, the compaction roller 110 includes a cylindrical body 111, a projection 112, and a rotating shaft 113, and the projection 112 ) are formed at predetermined intervals on both ends of the outer peripheral surface of the cylindrical body 111, and the cylindrical body 111 is rotated by the protrusions 112 in contact with the surface layer of the ground, thereby compacting the ripped soil 210.

Specifically, in the case of the compaction roller 110, the rotating force is applied to the solid fire supply hopper 130 and the manual or automatic dispersion screws 136 and 137 to be described later through the rotation shaft 113 and the chain gear 120. It also plays a role in delivering, and the powder-type solidification material 220 and the ripped soil 210 are pressed and mixed.

In this way, in the process of pressing and mixing the powder-type solidification material 220 and the ripped soil 210, the powder-type solidification material 220 surrounds and closes the ripped soil 210, thereby causing flying dust from the ripped soil 210. can be blocked.

At this time, as will be described later, the compaction roller 110 can be easily replaced with a mixing roller 110' depending on the characteristics of the ground surface layer.

Meanwhile, Figure 8 is a diagram showing compaction between powdered solidification material 220 and soil 210 in the surface solidification device 100 according to an embodiment of the present invention, and Figure 8's a) shows crushing and stirring (mixing). indicates the time, and b) in Figure 8 indicates the time of compaction.

In the case of the surface solidification device 100 according to an embodiment of the present invention, as shown in a) and b) of FIG. 8, even compaction is achieved between the powdered solidification material 220 and the soil (210, ripped soil). At this time, it can be seen that compaction allows the powder-type solidification material 220 to be evenly mixed while increasing the distance from the center of the soil 210 lump.

That is, as shown in a) of FIG. 8, pulverization and stirring are performed between the powder-type solidified material 220 and the soil 210 by the ripper unit 160, and also, the compaction roller 110 Compaction is achieved between the powder-type solidification material 220 and the soil 210.

In addition, it can be seen that the powder-type solidification material 220 is compressed with the soil 210 by the compaction roller 110, thereby preventing the soil 210 and the powder-type solidification material 220 from scattering.

Meanwhile, Figure 9a is a diagram for explaining the operation of the chain gear 120 in the surface solidification device 100 according to an embodiment of the present invention, and Figure 9b is a view showing the powder solidification material (powder solidification material) by the solidification supply valve 132. This is a drawing to explain that 220) is supplied in fixed quantities.

As shown in Figure 9a, the chain gear 120 of the surface layer solidification device 100 according to an embodiment of the present invention,

Drive wheel 121, drive gear 122, first chain 123, intermediate shaft gear 124, intermediate wheel 125, second chain 126, supply wheel gear 127, and supply shaft 128 ) will be included.

Specifically, referring to FIGS. 7 and 9A, the driving wheel 121 may use one side plate of the cylindrical body 111 constituting the compaction roller 110, and has a cylindrical body in the form of a disk with a certain diameter. It rotates with the rotation shaft 113 penetrating one side plate of (111) to transmit rotational force to the driving gear 122.

The rotation of the driving wheel 121 is naturally achieved in the process of compaction by mounting the surface solidification device 100 on the excavator arm 320 connected to the boom 310 of the excavator 300, and thus the surface solidification device of the present invention (100) does not require power supply from a separate power source.

Referring to FIGS. 6 and 9A, the drive gear 122 is a circular plate that is coupled to the rotation shaft 113 of the compaction roller 110 and rotates in response to the rotation of the drive wheel 121 of the compaction roller 110. It is a gear in the form of a circle smaller than the driving wheel 121, and the rotational speed can be adjusted by the gear ratio. In this way, the rotational speed is adjusted and the rotational force is directly transmitted to the driving gear 122 through the first chain 123. I do it.

Referring to FIGS. 6 and 9A, one side of the first chain 123 is meshed with the outer peripheral gear of the drive gear 122, and the other side is meshed with the intermediate shaft gear 124 to transmit rotational force.

Referring to FIGS. 6 and 9A, the intermediate shaft gear 124 is a combination of a circular plate gear and an intermediate shaft connected to the end of the intermediate shaft meshing with the other side of the first chain 123, and the driving gear 122 It has a smaller diameter, making it possible to control rotational speed by gear ratio.

Referring to FIGS. 6 and 9A, the intermediate wheel 125 is a disc-shaped gear that rotates together with the intermediate shaft gear 124, and is formed to be larger than the diameter of the intermediate shaft gear 124 to change the gear ratio. It is possible to control the rotation speed.

At this time, additional automatic dispersion screw gears (G1, G2) are installed on the intermediate shaft gear 124 and the intermediate wheel 125 to supply the rotational force of the automatic dispersion screw 137, as shown in FIG. 19b, which will be described later. It can be seen that this can be installed on the opposite side of the intermediate shaft gear 124 and the intermediate wheel 125.

Referring to FIGS. 6 and 9A, one side of the second chain 126 is engaged with the gear on the outer peripheral surface of the intermediate wheel 125, and the other side is engaged with the supply wheel gear 127 to transmit rotational force.

Referring to FIGS. 6 and 9A, the supply wheel gear 127 is a circular plate gear connected to the end of the supply shaft 128 that meshes with the other side of the second chain 126,

The supply shaft 128 penetrates the supply wheel gear 127 and rotates together to open and close the connected solid fire supply valve 132, as shown in FIGS. 6 and 9A.

At this time, the intermediate shaft gear 124, the intermediate wheel 125, the supply wheel gear 127, and the supply shaft 128 are preferably made of an elastic rubber material for sealing.

At this time, referring to FIG. 9B, the opening and closing of the solidifying material supply valve 132 connected to the supply shaft 128 is controlled in response to the rotation of the supply shaft 128, and the powder-type solidifying material 220 is supplied to the ripper ( It can be seen that it can be mixed with the pulverized soil 210 in a fixed amount by 162).

For this purpose, according to FIG. 9B, it can be seen that the solidifying material supply valve 132 is formed by forming a plurality of opening and closing pieces, one side of which is inserted into the outer peripheral surface of the supply shaft 128, so that they are spaced apart.

Furthermore, the volume of soil 210 mixed with the powder-type solidification material 220 of the present invention is determined by the width of the surface solidification device 100 according to the embodiment of the present invention, the working length of the excavator 300, and the ripper 162. is determined by the depth of

That is, as shown in FIG. 16, the rotation speed of the compaction roller 110 is determined in proportion to the working length of the excavator 300, and the solidification material linked to the chain gear 120 is proportional to the rotation speed. The rotation speed of the supply valve 132 is determined,

The solidification depth of the surface ground is determined according to the ripping depth of the ripper 162 of the ripper unit 160.

Therefore, a surface layer solidification device 100 of the present invention ensures that a constant amount of powdered solidification material 220 is always supplied corresponding to the volume of the ripped soil 210, and this method is used to provide a surface layer solidification device 100. ) is achieved by the chain gear ratio.

That is, Figure 10 is a diagram for specifically explaining the chain gear ratio by the chain gear 120 in the surface layer solidification device 100 according to an embodiment of the present invention.

In the surface layer solidification device 100 according to an embodiment of the present invention, the chain gear ratio is as shown in Figure 10,

Here, A shown in the lower part of FIG. 10 represents the driving wheel 121,

B represents the driving gear 122,

C represents the intermediate shaft gear 124,

D represents the middle circle (125),

E represents the supply wheel gear 127,

F represents the supply axis 128, respectively,

Reference numerals 123 and 126 represent first and second chains 123 and 126, respectively.

Accordingly, it can be seen that the powder-type solidifying material 220 can be supplied in a fixed amount by opening and closing the solidifying material supply valve 132 connected to the supply shaft 128 in response to the rotation of the driving gear 122.

For example, according to FIG. 10, since the surface layer solidification device 100 of the present invention is mounted on the excavator 300,

Measure the specific gravity of soil (210, raw ground, soft ground) and powdered solid material (220),

The working width, working length, and working depth are determined according to the specifications of the excavator 300.

The amount of work per time and the amount of fire required per time can be determined by the excavator 300,

Drive wheel (121, A), drive gear (122, B), intermediate shaft gear (124, C), intermediate wheel (125, D), supply wheel gear (127, E) and supply shaft (128, F) Specifications such as radius, circumference, cross-sectional area, etc. are determined in accordance with the amount of work per time and the fire required per time,

Once the solid fire per rotation (based on confined space) is determined, the driving wheel (121, A), driving gear (122, B), intermediate shaft gear (124, C), and intermediate wheel (125, D) ), it can be seen that the final required number of rotations, number of supplies, and thickness of one supply can be determined based on the number of rotations (chain gear ratio) of the supply wheel gear (127, E) and the supply shaft (128, F).

Meanwhile, Figure 11 is a view showing a manually operated cover 135 formed on the solidification material supply hopper 130 to prevent leakage of powder-type solidification material in the surface solidification device according to an embodiment of the present invention.

As shown in FIG. 11, when the surface layer solidification device 100 according to an embodiment of the present invention is not used, even if a gap occurs in the solidification material supply valve 132, the powder solidification material 220 In order to prevent leakage to the outside, a manually operated cover 135, which is a manually operated opening and closing device, may be provided.

That is, the powder-type solidified material 220 is slid on the lower upper surface of the solidified material supply valve 132 installed in the lower part of the supply hopper body 131 of the solidified material supply hopper 130 with a manually operated cover 135 to enable opening and closing. Leakage can be prevented.

Meanwhile, Figure 12a is a diagram showing the sealed structure formed between the compaction roller 110 and the ripper unit 160 in the surface layer solidification device 100 according to an embodiment of the present invention, and Figure 12b is a view showing the powder solidification material 220 This is a diagram showing the closed space formed to prevent scattering when mixing between ) and soil 210.

As shown in Figure 12a, in the surface layer solidification device 100 according to an embodiment of the present invention, the compaction roller 110 and the ripper unit are formed by both side plates 140 between the compaction roller 110 and the ripper unit 160. (160) and forming a closed space formed inside both side plates 140,

At this time, as shown in Figure 12b, since the powder-type solidification material 220 is supplied in the closed space formed between the compaction roller 110 and the ripper unit 160, the powder-type solidification material 220 and Scattering dust caused by soil 210 is blocked.

That is, the powder-type solidification material 220 and soil 210 are pulverized and stirred by the ripper 162 within the closed space, thereby preventing flying dust.

Meanwhile, Figure 13a is a side perspective view specifically showing the ripper unit 160 consisting of a ripper fixing frame 161 and a ripper 162 in the surface layer solidification device 100 according to an embodiment of the present invention, and Figure 13b is a bottom perspective view. .

Referring to FIGS. 13A and 13B, the ripper unit 160,

At least two (multi-stage) ripper fixing frames (161) provided to enable replacement by determining the depth of soil to be mixed from the ground; and at least two rippers 162 installed on each of the ripper fixing frames 161 to pulverize and agitate the soil 210, and whose attachment intervals are adjusted according to the conditions of the soil 210.

As shown in FIG. 13B, for example, when the soil 210 contains a lot of stones, the first to third rippers 162a, 162b, and 162c are attached by widening the gap, and also attaching the soil with high viscosity. In the case of 210, the first to third rippers 162a, 162b, and 162c are attached by narrowing the gap.

In addition, blades can be additionally attached to the front ends of the first to third rippers 162a, 162b, and 162c to form valleys so that the powder-type solidification material 220 is smoothly mixed into the soil 210. there is.

In addition, it can be seen that the first to third ripper fixing frames 161a, 161b, and 161c are installed to traverse between both side plates 140 in correspondence to the first to third ripper (162a, 162b, and 162c). You can.

Meanwhile, Figure 14 is a diagram showing the tone bag inlet 133 and the air outlet 134 formed in the solidification material supply hopper 130 in the surface layer solidification device 100 according to an embodiment of the present invention.

As shown in Figure 14, in the surface layer solidification device according to an embodiment of the present invention, the supply hopper body 131 of the solidification material supply hopper 130 is fixedly installed on the upper surface of both side plates 140 so as to be located directly below the closed space. ), a tone bag inlet 133 and an air outlet 134 are further formed.

At this time, the tone bag inlet 133 is an inlet for injecting solidifying material, and is horizontally connected to both side plates 140 by a connection space (S) slanted from the top to the bottom of the supply hopper body 131. It can be seen that the installed excavator connection part 150 is exposed.

In addition, at least one air outlet 134 is formed on the upper surface of the supply hopper body 131, and serves to discharge air inside the supply hopper body 131 when the powder-type solidifying material 220 is injected. .

At this time, a filter that filters the powdered solidification material 220 and discharges only air may be installed in the air outlet 134.

Meanwhile, Figure 15a is a diagram showing the ripper 162 protruding downward in the surface layer solidification device 100 according to an embodiment of the present invention. FIG. 15B is a perspective view showing the fixing device 400 for fixing the surface layer solidification device 100, and FIG. 15C is a view showing the surface layer solidification device 100 mounted on the fixing device 400.

As shown in Figure 15a, when injecting powder-type solidification material 220 or transporting surface solidification device 100, independence may be unstable due to the downwardly protruding ripper 162, so a separate fixing device is required. As (400), a fixing device (400) is provided to seat and secure the surface solidification device (100) so that it can stand on its own.

At this time, the fixing device 400 supports the side plate 140 of the surface layer solidification device 100 by a horizontally installed support frame 410, as shown in Figure 15b,

In addition, a downward groove 420 is formed to protrude upward at the rear of the support frame 410, so that the surface solidification device 100 can be fixed by inserting and fixing the rotation axis 113 of the compaction roller 110. .

In addition, as shown in FIG. 15C, the fixing device 400 is provided with a ladder 430 on one side to insert the powder-type solidifying material 220 into the solidifying material inlet 133 of the solidifying material supply hopper 130. ), the operator can easily climb up when injecting.

It can be seen that this ladder 430 extends vertically to a certain height to the side of the downward groove 420 at the rear of the support frame 410.

Meanwhile, in general, various construction equipment such as excavators (e.g. backhoes), dozers, payloaders, and dump trucks are used in earthworks for construction work.

In particular, among these various construction equipment, excavators perform important functions in excavation, grading, and loading operations.

Specifically, these excavators are used for tasks such as excavation work to dig up the ground at civil engineering sites, building sites, and construction sites, loading work to transport soil to dump trucks, crushing work to dismantle buildings and stones, and clearing work to clear the ground. It is a construction equipment that can perform tasks such as hanging heavy objects or picking up objects using tongs.

This excavator 300 is divided into a lower traveling body that moves the equipment, an upper rotating body that is mounted on the upper part and rotates 360 degrees, and a work device attached to the front of the upper rotating body, and the upper rotating body is operated by the excavator operator. It is equipped with a driver's seat (cabin).

Among these, the work tool is one in which a boom and an arm are connected and a bucket is mounted on the tip of the boom. It is connected to the end of the bucket cylinder via a connecting rod and link, and is operated by the cylinder to perform bucket work.

Figure 16 is a diagram for explaining the operation of the excavator 300 in the surface layer solidification device 100 according to an embodiment of the present invention.

As shown in FIG. 16, the excavator 300 is equipped with a boom 310 and an excavator arm 320, and the excavator 300 is pulled horizontally to the ground for the working length,

It can be seen that the surface layer solidification device 100 of the present invention is installed on the excavator arm 320 in the form of an attachment so that it can be detached by the excavator connection part 150.

At this time, if the excavator arm 320) and the solidification supply hopper 130 interfere, the working length of the excavator 300 is reduced, work efficiency is reduced, and damage to the surface solidification device 100 may occur,

The excavator connection part 150 installed horizontally connected to both side plates 140 is exposed by the connection space S inclined from the top to the bottom of the supply hopper body 131, and the excavator connection part 150 is connected to the exposed excavator connection part 150. It can be seen that the arm 320 is connected to prevent the interference from occurring.

In addition, as shown in FIGS. 17A, 17B, and 17C, in the surface layer solidification device according to an embodiment of the present invention,

The solidified material supply hopper 130 includes a supply hopper body 131, a solidified material supply valve 132, a solidified material inlet 133, and an air outlet 134. Referring to FIG. 18, It can be seen that a manually operated cover 135, a manual dispersion screw 136, and an automatic dispersion screw 137 may be additionally included.

Referring to FIGS. 17A, 17B, 17C, and 18, the supply hopper body 131 stores the powder-type solidification material 220 and is connected with a predetermined inclination to avoid interference with the excavator arm 320. It can be seen that space (S) is formed.

That is, as shown in FIG. 17C, it can be seen that the connection space S of the solid fire supply hopper 130 is formed to have a predetermined inclination to avoid interference with the excavator arm 320.

Here, the size of the supply hopper body 131 is preferably such that two ton bags can be accommodated. For example, in the embodiment of the present invention, the specific gravity of the powder-type solidification material 220 is assumed to be at least 0.8. Then, the capacity of the solidifying material supply hopper 130 is 1.25 m3

Referring to FIG. 17b, the solidifying material supply valve 132 is installed in the inner lower part of the supply hopper body 131 and operates without power to supply a fixed amount of powder-type solidifying material 220.

Referring to FIG. 17A, it can be seen that two tone bag injection ports 133 may be formed on the upper surface of the supply hopper body 131 so that the powder-type solidification material 220 can be injected and supplied from the outside.

Referring to FIG. 17A, at least one air outlet 134 is formed on the upper part of the supply hopper body 131 to discharge the air inside the supply hopper body 131 to the outside when the powder-type solidification material 220 is injected. You can see that it can be done.

Meanwhile, Figure 18 is a diagram showing the manual dispersion screw 136 formed in the solidification material supply hopper 130 in the surface layer solidification device according to an embodiment of the present invention.

As shown in FIG. 18, the solidified fire supply hopper 130 may include a manual dispersion screw 136.

At this time, in the case of the solidified material supply hopper 130, when the powder-type solidified material 220 is injected, an inner inclined plate extending downward is formed inside the supply hopper body 131, so that the solidified material injection port 133 is operated by a compaction roller ( Since it is biased toward the 110) side, the powdered solidification material 220 inside the supply hopper main body 131 is loaded into a cone shape according to the angle of repose.

At this time, in the case of the solid fire supply hopper 130, the operator rotates the manual dispersion screw 136 formed on the side of the supply hopper body 131 of the solid fire supply hopper 130 to the front of the supply hopper body 131. It can be seen that by moving the powder-type solidification material 220 to the right (in FIG. 18), sufficient space for injecting the powder-type solidification material 220 can be secured.

Meanwhile, Figure 19a is a diagram showing the automatic dispersion screw formed in the solidification supply hopper in the surface solidification device according to an embodiment of the present invention, and Figure 19b is a diagram for explaining the operation of the automatic dispersion screw.

As shown in FIG. 19A, the solid fire supply hopper 130 may further include an automatic dispersion screw 137.

At this time, the automatic dispersion screw 137 operates when the powder-type solidified material 220 does not sufficiently descend to the solidified material supply valve 132 because the slope of the bottom of the supply hopper body 131 is gentle.

At this time, the automatic dispersing screw 137 is operated by receiving the rotational force of the compaction roller 110 from the automatic dispersing screw gears G1 and G2 connected to the intermediate shaft gear 124 of the chain gear 120.

That is, as shown in FIG. 19b, the automatic dispersion screw 137 is manufactured so that the directions of the screw blades on both sides are symmetrical with respect to the center, so that the upper automatic dispersion screw 137a collects the powder-type solidification material 220, The lower automatic dispersion screw (137b) is transferred to the solid fire supply valve (132) through an unfolding operation.

For example, the upper automatic dispersion screw 137a is formed on the automatic dispersion screw gear G1 connected to the intermediate shaft gear 124 of the chain gear 120, and the lower automatic dispersion screw 137b It can be seen that it is connected to another automatic distributing screw gear (G2) of the chain gear 120 and is operated using the rotational force generated by the compaction roller 110.

Meanwhile, Figure 20a is a diagram showing replacing the compaction roller 110 with a mixing roller 110' in the surface layer solidification device 100 according to an embodiment of the present invention, and Figure 20b shows the mixing roller 110' in detail. This is a drawing shown as .

As shown in FIGS. 20A and 20B, the compaction roller 110 can be easily replaced with a mixing roller 110' in the surface solidification device according to the embodiment of the present invention.

At this time, the mixing roller 110' can prevent the solidified material from scattering by installing a rotating plate. In particular, the mixing roller 110' can increase the mixing degree of solidification material on the soil surface for soil with very high viscosity, and the mixing roller 110' has a plurality of end tips on a plurality of rotating plates according to the soil. It can be seen that what has been formed can be used.

Meanwhile, Figure 21 is a diagram for explaining the ground guide side plate 140 that supports the ground in the surface layer solidification device 100 according to an embodiment of the present invention.

As shown in FIG. 21, the surface solidification device 100 ground guide 170 according to an embodiment of the present invention is a guide for supporting the surface layer solidification device on the ground, and accordingly, the ripper unit to a certain depth from the ground. (160) allows quantitative stirring by mixing soil and sand.

That is, the ground guide 170 serves to support the surface solidification device 100 according to an embodiment of the present invention from sinking in soft ground.

In addition, a slope 171 is formed on the front of the ground guide 170 by bending it diagonally upward like a ski, and thus the soil 210 can be supported to prevent it from falling over the ground guide 170.

Ultimately, by using the surface layer solidification device 100 according to an embodiment of the present invention and the surface layer solidification device 100 in the form of an excavator attachment device,

Unlike the prior art, there is no separate mixing chamber for mixing the soil 210 of the surface layer of the ground and the powdered solidification material 220,

Even if the powdered solidifying material 220 and the soil 210 are immediately mixed on soft ground, the powdered solidifying material can be prevented from polluting the atmosphere during the mixing process of the soil and the solidifying material.

In addition, in the ground surface layer solidification process of a fixed area, a fixed amount of powdered solidification material 220 can be supplied uniformly and quantitatively without deviation in the supply amount depending on the location, thereby improving soft ground by simplifying the construction process and increasing work speed. It can reduce construction time and cost.

[Surface solidification method using surface solidification device]

Figure 22 is an operation flowchart showing a surface layer solidification method using the surface layer solidification device 100 according to an embodiment of the present invention.

Referring to Figure 22, the surface layer solidification method using the surface layer solidification device according to an embodiment of the present invention is,

First, the excavator connection portion 150 of the surface solidification device 100 is coupled to be attached to the excavator arm (Arm: 320) (S110).

For example, as an excavator attachment device, the excavator connection portion 150 of the surface layer solidification device 100 can be attached to the excavator arm 320 using, for example, bolts and nuts.

Next, in response to the operation of the excavator 300, the ripper unit 160 excavates the ground and pulverizes the soil 210 (S120).

Next, the chain gear 120 is rotated according to the rotation of the compaction roller 110 in close contact with the ground in response to the operation of the excavator 300 (S130).

Next, the opening and closing of the solidifying material supply valve 132 formed at the bottom of the solidifying material supply hopper 130 is controlled according to the rotation of the chain gear 120 (S140).

Next, the powder-type solidifying material 220 in the solidifying material supply hopper 130 is supplied in a fixed amount along an incline (S150).

At this time, the powder-type solidifying material 220 is supplied into the sealed space formed between the compaction roller 110 and the ripper unit 160, and the powder-type solidification material 220 is supplied by the compaction roller 110. By being compressed with the soil 210, the scattering of the soil 210 can be prevented.

Next, a fixed amount of powdered solidification material 220 is mixed with the soil 210 to solidify the surface layer of the soft ground (S160).

Ultimately, according to an embodiment of the present invention, the powdered solidifying material is supplied to the ground in a sealed state, the powdered solidifying material 220 and the soil 210 are immediately mixed in a compacted form, and the surface solidification device 100 is used. In one pass, soil and solidified fire material can be immediately mixed on the ground.

According to an embodiment of the present invention, the surface solidification device 100 itself operates without separate power only by operating the excavator, thereby preventing the emission of harmful gases and improving energy efficiency, and the maintenance and operation are simple, so it can be used on site. Excellent applicability.

The description of the present invention described above is for illustrative purposes, and those skilled in the art will understand that the present invention can be easily modified into other specific forms without changing the technical idea or essential features of the present invention. will be. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. For example, each component described as unitary may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims described below rather than the detailed description above, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. do.

100: Surface solidification device
110: compaction roller 110': mixing roller
111: Cylindrical body
112: projection 113: rotation axis
120: Chain Gear
121: driving wheel 122: driving gear
123: first chain 124: intermediate shaft gear
125: middle wheel 126: second chain
127: supply wheel gear 128: supply shaft
130: High fire supply hopper
131: Supply hopper body 132: High fire supply valve
133: Tone bag inlet (solidifying fire inlet) 134: Air outlet
135: manual operation cover 136: manual dispersion screw
137: automatic dispersion screw 137a: upper automatic dispersion screw
137b: Lower automatic dispersion screw
140: side plate 150: excavator connection
160: Refurbished Department
161: Ripper fixing frame 162: Ripper
170: Ground guide
210: Soil 220: Powder solid fire material
300: Excavator
310: Excavator Boom 320: Excavator Arm 400: Fixing device
410: support frame 420: downward groove
430: ladder
G1, G2: Gear for automatic dispersion screw S: Connection space

Claims (17)

A compaction roller 110 including a cylindrical body 111 that rotates with a penetrating rotating shaft 113 and plays a compaction role;
One side is coupled to the rotating shaft 113 of the compaction roller 110 to transmit rotational force, and the supply shaft 128 on the other side, which receives the rotating force, is connected to the solidifying material supply valve 132 of the solidifying material supply hopper 130. A chain gear 120 that supplies a fixed amount of powder-type solidification material 220; and
The compaction roller 110 and the excavator connection part 150 are connected to each other so that a closed space is formed between the excavator connection part 150 set to be spaced apart from the compaction roller 110, and the compaction roller 110 and the chain gear 120 are connected to each other. It is combined and includes both side plates 140 on which a solid fire supply hopper 130 is installed,
It is an attachment device attached to the excavator arm 320 on the excavator connection part 150 and operates non-powered according to the operation of the excavator 300, and the compaction roller 110 has a plurality of protrusions formed on the outer peripheral surface of the cylindrical body 111 ( 112); And a rotating shaft 113 that penetrates the center of the cylindrical body 111 and generates a rotational force, wherein the cylindrical body 111 rotates by the protrusion 112 to form powdered solidification material 220 and soil 210. ) is a surface solidification device that achieves compaction while mixing by pressing. According to paragraph 1,
In the sealed space formed between the compaction roller 110, the excavator connection part 150 and both side plates 140, powder-type solidified material 220 is supplied by the solidified material supply valve 132 of the solidified material supply hopper 130. ) is supplied, and the powder-type solidification material 220 is compressed and compacted with the soil 210 by the compaction roller 110 to prevent the generation of flying dust,
The side plate 140 is a surface layer solidification device, characterized in that the through hole exposing the rotation axis 113 of the compaction roller 110 and the through hole into which the rotation gear of the chain gear 120 is installed are formed. delete According to paragraph 1,
The compaction roller 110 can be replaced with a mixing roller 110',
The mixing roller 110' is a surface solidification device that uses a plurality of end tips formed on a plurality of rotating plates according to the soil to serve as a partition to prevent the powder-type solidification material 220, which is the rotating plate, from scattering. According to paragraph 1,
The chain gear 120 is,
A driving gear 122 coupled to the rotation shaft 113 of the compaction roller 110 and rotating together in response to the rotation of the compaction roller 110;
An intermediate shaft gear 124, one side of which meshes with the outer peripheral gear of the driving gear 122 and the other side of the first chain 123, which transmits rotational force to the intermediate shaft gear 124;
It is a gear that combines with the intermediate shaft gear 124 and rotates together, and meshes with the gear on the outer peripheral surface of the intermediate wheel 125, which is formed larger than the diameter of the intermediate shaft gear 124, to transmit rotational force to the supply wheel gear 127. It includes; a supply wheel gear 127, which is a gear engaged with the other side of the second chain 126;
As the opening and closing of the solidifying material supply valve 132 is controlled in response to the rotation of the supply shaft 128, the powdered solidifying material 220 is mixed in a fixed amount with the soil 210 pulverized by the ripper 162. A surface solidification device characterized in that. According to paragraph 1,
The rotation speed of the compaction roller 110 is determined in proportion to the working length of the excavator 300, and the rotation speed of the solid fire supply valve 132 linked to the chain gear 120 is fixed in proportion to the rotation speed. A surface solidification device characterized in that a certain amount of powder-type solidification material (220) is supplied corresponding to the volume of the soil (210) by loosening. According to paragraph 1,
The solid fire supply hopper 130,
A supply hopper body 131 in which powder-type solidified material 220 is stored and formed with an inclined surface to avoid interference with the excavator arm 320;
A solidifying material supply valve 132 installed at the inner lower portion of the supply hopper body 131 and operated without power to supply a fixed amount of powder-type solidifying material 220;
A tone bag inlet (133) formed at the upper part of the supply hopper body (131) to allow injection and supply of powder-type solidification material (220) from the outside; and
A surface solidification device comprising at least one air outlet 134 formed on the upper part of the supply hopper body 131 to discharge the air inside the supply hopper body 131 to the outside when the powder-type solidification material 220 is injected. . In clause 7,
The solid fire supply hopper 130,
When the surface solidification device 100 is not used, a manually operated cover 135 is further installed to prevent the powder solidification material 220 from leaking even if there is a gap in the solidification material supply valve 132. However,
The manually operated cover (135) is a surface solidification device that slides on the lower upper surface of the solidifying material supply valve (132) installed at the lower part of the supply hopper body (131) to enable opening and closing. According to clause 8,
The solid fire supply hopper 130,
It is a dispersion screw formed on the side of the supply hopper body 131 to be manually operated by an operator, and moves the powdered solidification material 220 injected into the supply hopper body 131 to the front of the supply hopper body 131. A surface solidification device that additionally includes a manual dispersion screw (136). In clause 7,
The solid fire supply hopper 130,
It is a dispersion screw installed inside the supply hopper main body 131, which operates when transmitting the rotational force of the compaction roller 110 to the chain gear 120, and is manufactured so that the directions of the screw blades on both sides are symmetrical with respect to the center. It further includes an automatic dispersion screw 137, wherein the automatic dispersion screw 137 is formed on the drive gear 122 of the chain gear 120 and serves to collect the powder-type solidification material 220. Upper automatic dispersion screw (137a); And it is formed on the intermediate shaft gear 124 and the intermediate wheel 125 of the chain gear 120, and transfers the powder-type solidified material 220 to the solidified material supply valve 132 through an unfolding operation. Surface solidification device including a dispersion screw (137b). In clause 7,
The excavator connection part 150 installed horizontally connected to both side plates 140 is exposed by the excavated connection space S inclined from the upper surface to the bottom surface of the supply hopper body 131, and the exposed excavator connection part 150 is exposed. A surface solidification device that is an attachment device attached to the excavator arm 320 and operates without power according to the operation of the excavator 300. According to paragraph 1,
A ripper unit 160 is further installed across both side plates 140,
The ripper unit 160,
At least two ripper fixing frames 161 provided to traverse between both side plates 140 to enable replacement by determining the depth of soil to be mixed from the surface layer of the ground; And at least two or more rippers 162 installed on each of the ripper fixing frames 161 to crush and agitate the soil 210 on the surface layer of the ground, and whose attachment interval is adjusted according to the conditions of the soil 210. Surface solidification device. According to clause 12,
The soil 210 containing the stone expands the gap between the rippers 162 to attach the first to third rippers 162a, 162b, and 162c, and the viscous soil 210 widens the gap between the rippers 162. Narrow it and attach the first to third rippers (162a, 162b, 162c),
A surface solidification device in which a blade forming a groove is further attached to the front ends of the first to third rippers (162a, 162b, 162c) so that the powdered solidification material (220) is smoothly mixed into the soil (210). According to paragraph 1,
The ripper unit 160 is installed at the lower part of both side plates 140 so that it can pulverize and agitate the soil 210 to a certain depth from the ground, and is a ground guide that guides the surface solidification device 100 to prevent settlement. Including (170) more,
A surface solidification device in which an inclined surface 171 is bent diagonally upward on the front of the ground guide 170 to support the pulverized soil 210 so that it does not fall over the ground guide 170. According to paragraph 1,
When injecting the powder-type solidification material 220 or transporting the surface layer solidification device 100, it further includes a fixing device 400 designed to fix the surface layer solidification device 100,
The fixing device 400 is,
A support frame 410 installed horizontally to support the side plate 140 of the surface solidification device 100; A downward groove 420 for inserting and fixing the rotating shaft 113 of the compaction roller 110 so that the surface layer solidification device 100 can be fixed in the horizontal direction; And a ladder 430 formed on the side so that an operator can climb when injecting the powder-type solidification material 220. a) coupling the excavator connection portion 150 of the surface layer solidification device 100 of claim 1 to be attached to an excavator arm (Arm: 320);
b) in response to the operation of the excavator 300, the ripper unit 160 installed on both side plates 140 of the surface solidification device 100 excavates the ground and rips the soil 210;
c) rotating the chain gear 120 according to the rotation of the compaction roller 110 of the surface solidification device 100, which is brought into close contact with the surface ground by the operation of the excavator 300;
d) controlling the opening and closing of the solidified fire supply valve 132 formed at the bottom of the solidified fire supply hopper 130 according to the rotation of the chain gear 120;
e) The powdered solidified material 220 in the solidified material supply hopper 130 is supplied in a fixed amount to the closed space of the surface solidification device 100, and the powdered solidified material 220 is mixed with the soil 210 to create soft ground. Including the step of solidifying the surface layer,
A surface layer solidification method using a surface layer solidification device that is an attachment device attached to the excavator arm 320 by the excavator connection part 150 and operates without power according to the operation of the excavator 300. According to clause 16,
The powdered solidifying material 220 is supplied into the closed space formed between the compaction roller 110 and both side plates 140 in step e), and the powdered solidifying material 220 is supplied by the compaction roller 110. ) is compressed with the soil (210) to prevent the generation of flying dust. A surface solidification method using a surface solidification device.