JP2008231691A - Ground agitation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ground agitation device capable of efficiently agitate a sediment vertically, longitudinally, and laterally. <P>SOLUTION: The rotation of a hydraulic motor 12 is transmitted to agitating bodies 30a, 30b by chain mechanisms 25, 26. The agitating body 30a comprises a unit agitating blade body 41a having agitating claws Ba1-Ba4 disposed diagonally from the outside to the inside; and a unit agitating blade body 41b having agitating claws Bb1-Bb4 disposed diagonally from the inside to the outside. The agitating body 30b comprises a unit agitating blade body 41c having agitating claws Bc1-Bc4 disposed diagonally from the outside to the inside; and a unit agitating blade body 41d having agitating claws Bd1-Bd4 disposed diagonally from the inside to the outside. Therefore, the sediment is moved not only in the vertical direction but also alternately moved in both the direction from the outside toward the inside and the direction from the inside toward the outside when the agitating bodies 30a, 30b are rotated. Consequently, the sediment can be sufficiently agitated in the vertical, longitudinal, and lateral directions. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a ground stirring device for strengthening soft ground and the like by stirring and mixing soil and a soil modifying material such as cement milk while excavating the ground.

  Conventionally, as a ground stirring device for ground reinforcement, for example, as shown in Patent Document 1, a rotating cylinder body in which a plurality of stirring rods are radially arranged at both ends of a rotating shaft is provided. Rotate and swirl the stirring rod in the ground to stir mud and feed the soil modifying material such as cement milk into the ground to stir and mix the excavated soil and soil modifying material It is known what has been configured.

  8 and 9 are diagrams showing such a conventional ground stirring device. 8 and 9, a bracket 222 for detachably attaching the apparatus to the distal end of an arm of a mobile work vehicle or the like is integrally provided at the base end of the main body frame 221.

  A hydraulic motor 223 is integrally attached to the distal end portion of the main body frame 221. A rotating shaft 224 extends from both sides of the hydraulic motor 223. Rotating cylinders 225 are detachably attached to the left and right of the rotating shaft 224, respectively. A number of stirring rods 226 are detachably attached and fixed to the outer peripheral surface of the rotating cylinder 225. An injection nozzle 231 is provided at the lower end of the main body frame 221. A soil modifying material such as cement milk is supplied to the spray nozzle 231 through the transport pipe 230.

When the ground of soft soil is strengthened, the hydraulic motor 223 rotates and the rotating shaft 224 rotates the rotating cylinders 225 on both sides. When the rotating cylinder 225 rotates, the ground is agitated by the plurality of agitating rods 226 radially arranged from the rotating cylinder 225. In addition, a soil modifying material is supplied to the spray nozzle 231 via the transport pipe 230, and the soil modifying material is sprayed to the soil from the spray nozzle 231.
JP 2002-66293 A

  In such a conventional ground agitating device, the rotating cylinders 225 provided at both ends of the rotating shaft 224 are rotated to rotate the plurality of agitating rods 226 to perform excavation and agitation of the soil, and the injection nozzle 231. Soil modifying material is sprayed into the soil. Thereby, while excavating the ground, the soil modifier is stirred and mixed in the soil, and the soft ground or the like is reformed.

  However, in the above-described conventional ground stirring device, as shown in FIG. 10, the stirring rod 226 excavates the same portion 251 of the soil 250 many times, and in the place where the stirring rod 226 does not hit, There is a problem that is not stirred. Moreover, since earth and sand do not move in the left-right direction during stirring, there is a problem that stirring cannot be performed sufficiently efficiently.

  In view of the above-described problems, an object of the present invention is to provide a ground agitation device that can efficiently agitate earth and sand in the vertical and front-rear and left-right directions.

  In order to solve the above-described problems, the present invention includes a drive motor, a chain mechanism that transmits rotation of the drive motor, and a stirring body that is attached to both sides of a rotating shaft that is rotated by the chain mechanism. A unit stirring blade body in which a plurality of stirring claws are disposed obliquely from the inside to the outside; and a unit stirring blade body in which the plurality of stirring claws are disposed obliquely from the outside to the inside. This is a ground agitation device.

  Preferably, each of the stirring bodies on both sides is composed of two unit stirring blade bodies, one of which has a plurality of stirring claws disposed obliquely from the inside to the outside, and the other of which has a plurality of stirring claws from the outside to the inside. It is characterized by being arranged obliquely.

  Preferably, the stirring bodies on both sides are characterized in that two unit stirring blade bodies are disposed at an angular interval of 180 degrees from each other.

  Preferably, an intermediate shaft is provided between the motor and the stirring body, the motor and the intermediate shaft are connected by a first chain mechanism, and the intermediate shaft and the stirring body are connected by a second chain mechanism. It is characterized by doing so.

  According to the present invention, the drive motor, the chain mechanism for transmitting the rotation of the drive motor, and the stirring bodies attached to both sides of the rotating shaft rotated by the chain mechanism, each of the stirring bodies includes a plurality of stirring claws. Has a unit stirring blade body that is disposed obliquely from the inside to the outside, and a unit stirring blade body in which the plurality of stirring claws are disposed obliquely from the outside to the inside. The earth and sand will be moved alternately in the direction from the outside to the inside and the direction from the inside to the outside as well as in the vertical direction. Stir.

  According to the present invention, the stirring bodies on both sides are each composed of two unit stirring blade bodies, one of which has a plurality of stirring claws arranged obliquely from the inside to the outside, and the other a plurality of stirring claws from the outside. Since it is disposed obliquely toward the inside, the earth and sand can be alternately moved in a direction from the outside toward the inside and a direction from the inside toward the outside.

  According to the present invention, since the two stirring blade bodies are arranged at an angular interval of 180 degrees from each other, the stirring bodies on both sides are arranged so that the earth and sand are directed from the outside to the inside, and from the inside. It can be moved alternately in the direction to the outside.

  According to the present invention, the intermediate shaft is provided between the motor and the stirring body, the motor and the intermediate shaft are connected by the first chain mechanism, and the second chain mechanism is connected between the intermediate shaft and the stirring body. Therefore, torque conversion can be performed so as to obtain an optimum torque on the intermediate shaft.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows an outline of a ground stirring device to which the present invention is applied.

  In FIG. 1, a movable arm 102 is extended on a work vehicle 101. The movable arm 102 includes arms 102a and 102b that are foldably connected. The ground stirring device 100 according to the embodiment of the present invention is attached to the tip of the movable arm 102. The ground stirring device 100 can be moved vertically and vertically with respect to the ground by operating the movable arm 102.

  FIG. 2 is an explanatory diagram of the agitation work using the ground agitation device of the embodiment of the present invention. As shown in FIG. 2, the ground stirring apparatus 100 is comprised from the upper support body 11, the lower support body 23, and the stirring bodies 30a and 30b. When performing ground reinforcement of soft soil, as shown to FIG. 2 (A), the front-end | tip of the ground stirring apparatus 100 is located above the soil 120. FIG. Then, as shown in FIG. 2B, the ground stirring device 100 is moved downward by driving the movable arm 102 while rotating the stirring members 30a and 30b. When the ground stirring device 100 is moved downward, the soil 120 is excavated by the stirring blades 30a and 30b as the ground stirring device 100 moves.

  At this time, a soil modifying material such as slurry or powder cement is guided from the work vehicle 101 to the tip 30c of the ground stirring device 100. This soil modifying material is discharged into the ground from an injection nozzle 30e provided at the tip of the ground stirring device 100. As a result, the soil and the soil modifier are agitated and mixed while the soil is excavated by the agitators 30a and 30b.

  As described above, in the ground agitating device according to the embodiment of the present invention, the agitating bodies 30a and 30b provided at the front ends thereof are rotated to agitate while excavating the soil, thereby improving the ground of the soft soil. Can do.

  3 and 4 show a configuration of the ground agitation apparatus 100 according to the present embodiment. 3 and 4, the insides of the vertically long upper support 11 and the lower support 23 are spaces, and these spaces are sealed from the outside, and endless chains 25 and 26 are inserted into these spaces, respectively. It is protected so that earth and sand do not enter this space. A hydraulic motor 12 is disposed on the upper side of the vertically long upper support 11. A sprocket 14 is fitted on the drive shaft 13 of the hydraulic motor 12.

  An intermediate shaft 20 is provided at a connection portion between the upper support 11 and the lower support 23. Sprockets 21 and 22 are fitted on the intermediate shaft 20. An endless chain 25 is suspended between the sprocket 14 of the drive shaft 13 of the hydraulic motor 12 and the sprocket 21 of the intermediate shaft 20.

  Stirring bodies 30 a and 30 b are disposed below the lower support 23. A sprocket 32 is fitted to the rotating shafts 31a and 31b of the stirring bodies 30a and 30b. An endless chain 26 is suspended between the sprocket 22 of the intermediate shaft 20 and the sprocket 32 of the stirring members 30a and 30b.

  The driving force of the hydraulic motor 12 is transmitted to the stirring bodies 30a and 30b via the endless chains 25 and 26. That is, when the hydraulic motor 12 rotates, the rotation is transmitted from the drive shaft 13 of the hydraulic motor 12 to the intermediate shaft 20 via the endless chain 25. When the intermediate shaft 20 rotates, the rotation is transmitted from the intermediate shaft 20 to the rotating shafts 31a and 31b of the stirring bodies 30a and 30b via the endless chain 26. Control of the rotation speed of the hydraulic motor 12 and supply of hydraulic pressure can be operated from the outside via the oil feeding path 16.

  As shown in FIGS. 5 and 6, the stirring body 30a is provided with two unit stirring blade bodies 41a and 41b, and the stirring body 30b is provided with unit stirring blade bodies 41c and 41d. The unit stirring blade body 41a is provided with stirring claws Ba1 to Ba4, the unit stirring blade body 41b is provided with Bb1 to Bb4, the unit stirring blade body 41c is provided with Bc1 to Bc4, Bd1 to Bd4 are disposed on the unit stirring blade body 41d. When the rotating shafts 31a and 31b rotate, the unit stirring blade bodies 41a and 41b and the unit stirring blade bodies 41c and 41d rotate accordingly, and the stirring claws Ba1 to Ba4, Bb1 to Bb4, and Bc1 to Bc4, Bd1 to Bd1. The soil is excavated by Bd4.

  Next, the stirring bodies 30a and 30b in the ground stirring apparatus 100 according to the embodiment of the present invention will be described in detail with reference to FIGS.

  5 (A) to 5 (C) are a left side view, a front view, and a right side view of the stirring bodies 30a and 30b, and FIGS. 6 (A) to 6 (C) are illustrated in FIG. ) To FIG. 5 (C) are a left side view, a front view, and a right side view when the stirring bodies 30a and 30b are rotated 180 degrees from the beginning.

  The left stirring body 30a includes two unit stirring blade bodies 41a and 41b as shown in FIGS. 5 (A) and 5 (B). As shown in FIG. 5 (B), a plurality of, for example, four stirring claws Ba1 to Ba4 are disposed on the unit stirring blade body 41a obliquely from the outside to the inside, and the unit stirring blade body 41b has the structure shown in FIG. ), For example, a plurality of four stirring claws Bb1 to Bb4 are arranged obliquely from the inside toward the outside.

  The right agitator 30b has two unit agitating blades 41c and 41d as shown in FIGS. 5C and 5B. As shown in FIG. 5 (B), a plurality of, for example, four stirring claws Bc1 to Bc4 are disposed on the unit stirring blade body 41c obliquely from the outside to the inside, and the unit stirring blade body 41d has the structure shown in FIG. As shown in FIG. 4, a plurality of, for example, four stirring claws Bd1 to Bd4 are disposed obliquely from the inside toward the outside.

  That is, as shown in FIGS. 5 (A) and 5 (B), a circular mounting member 42a is fitted to the outer side of the left rotating shaft 31a, and further, a circular mounting member 42a is mounted on the inner side of the rotating shaft 31a. The attachment member 42b is fitted. The unit stirring blade substrate 45a and the unit stirring blade substrate 45d are attached to the outer mounting member 42a. The unit stirring blade substrate 45b and the unit stirring blade substrate 45c are attached to the inner mounting member 42b. The unit agitation blade substrate 45a and the unit agitation blade substrate 45b are disposed at a predetermined angular interval. The unit agitation blade substrate 45c and the unit agitation blade substrate 45d are arranged at a predetermined angular interval.

  A stirring claw mounting base 46a is installed between the unit stirring blade substrate 45a and the unit stirring blade substrate 45b. For example, four stirring claws Ba1 to Ba4 are disposed on the stirring claw mounting base 46a. A stirring claw mounting base 46b is installed between the unit stirring blade substrate 45c and the unit stirring blade substrate 45d. For example, four stirring claws Bb1 to Bb4 are arranged on the stirring claw mounting base 46b.

  In this way, the stirring claw mounting base 46a is constructed between the outer unit stirring blade substrate 45a and the inner unit stirring blade substrate 45b, and the unit stirring blade substrate 45a and the unit stirring blade substrate 45b have a predetermined angular interval. Placed apart. Therefore, as shown in FIG. 5B, the stirring claws mounting base 46a has the stirring claws Ba1 to Ba4 arranged obliquely from the outside toward the inside.

  The stirring claw mounting base 46b is installed between the inner unit stirring blade substrate 45c and the outer unit stirring blade substrate 45d, and the unit stirring blade substrate 45c and the unit stirring blade substrate 45d are arranged at a predetermined angular interval. The Therefore, as shown in FIG. 6B, the stirring claws mounting base 46b has stirring claws Bb1 to Bb4 arranged obliquely from the inside toward the outside.

  As shown in FIGS. 5 (C) and 5 (B), a circular mounting member 42c is fitted on the outer side of the right rotating shaft 31b, and a circular mounting member is mounted on the inner side of the rotating shaft 31b. 42d is fitted. The unit stirring blade substrate 45e and the unit stirring blade substrate 45h are attached to the outer mounting member 42c. The unit stirring blade substrate 45f and the unit stirring blade substrate 45g are attached to the inner mounting member 42d. The unit agitation blade substrate 45e and the unit agitation blade substrate 45f are disposed at a predetermined angular interval. The unit agitation blade substrate 45g and the unit agitation blade substrate 45h are arranged at a predetermined angular interval.

  A stirring claw mounting base 46c is installed between the unit stirring blade substrate 45e and the unit stirring blade substrate 45f. For example, four stirring claws Bc1 to Bc4 are arranged on the stirring claw mounting base 46c. A stirring claw mounting base 46d is installed between the unit stirring blade substrate 45g and the unit stirring blade substrate 45h. For example, four stirring claws Bd1 to Bd4 are disposed on the stirring claw mounting base 46d.

  In this way, the stirring claw mounting base 46c is constructed between the outer unit stirring blade substrate 45e and the inner unit stirring blade substrate 45f, and the unit stirring blade substrate 45e and the unit stirring blade substrate 45f have a predetermined angular interval. Placed apart. Therefore, as shown in FIG. 5B, the stirring claws mounting base 46c has stirring claws Bc1 to Bc4 arranged obliquely from the outside toward the inside.

  The stirring claw mounting base 46d is installed between the inner unit stirring blade substrate 45g and the outer unit stirring blade substrate 45h, and the unit stirring blade substrate 45g and the unit stirring blade substrate 45h are disposed at a predetermined angular interval. The Therefore, as shown in FIG. 6B, the stirring claws mounting base 46d has the stirring claws Bd1 to Bd4 arranged obliquely from the inside toward the outside.

  As described above, in the embodiment of the present invention, the stirring bodies 30a and 30b include the unit stirring blade bodies 41a and 41c in which the plurality of stirring claws Ba1 to Ba4 and Bc1 to Bc4 are disposed obliquely from the outside to the inside, respectively. And a plurality of stirring claws Bb1 to Bb4 and Bd1 to Bd4, respectively, having unit stirring blade bodies 41b and 41d disposed obliquely from the inside toward the outside. For this reason, the soil is stirred up and down, front and rear, and left and right, and evenly stirred.

  That is, in the embodiment of the present invention, as shown in FIG. 3, when the hydraulic motor 12 rotates, the rotation is transmitted from the drive shaft 13 of the hydraulic motor 12 to the intermediate shaft 20 via the endless chain 25. When the intermediate shaft 20 rotates, the rotation is transmitted from the intermediate shaft 20 to the rotating shafts 31a and 31b of the stirring bodies 30a and 30b via the endless chain 26. Thereby, as shown to FIG. 7 (A) and FIG. 7 (B), the stirring bodies 30a and 30b rotate in the arrow M1 direction.

  The unit stirring blade bodies 41a and 41c are provided with stirring claws Ba1 to Ba4 and Bc1 to Bc4 obliquely from the outside toward the inside. For this reason, when the stirring bodies 30a and 30b rotate in the direction of the arrow M1 from the position shown in FIG. 7A, a force is applied to the earth and sand in the directions of the arrows Pa1 and Pb1 in FIG. For this reason, with the rotation of the stirring bodies 30a and 30b, the earth and sand move in a direction from the outside toward the inside.

  When the rotary shafts 31a and 31b rotate 180 degrees from the position shown in FIG. 7A, the result is as shown in FIG. When the stirring bodies 30a and 30b are rotated from the position shown in FIG. 7B, the unit stirring blade bodies 41b and 41d are provided with stirring claws Bb1 to Bb4 and Bd1 to Bd4 obliquely from the inside toward the outside. Therefore, as shown in FIG. 7B, force is applied to the earth and sand in the directions of arrows Pa2 and Pb2. For this reason, with the rotation of the stirring bodies 30a and 30b, the earth and sand move in a direction from the inside toward the outside.

  Stirring bodies 30a and 30b repeat the state shown in FIG. 7A and the state shown in FIG. Therefore, with the rotation of the stirring bodies 30a and 30b, the earth and sand are moved not only in the vertical direction, but also in the direction from the outside to the inside and the direction from the inside to the outside, and the forward and backward direction. And the left and right directions are sufficiently stirred.

  As described above, in the embodiment of the present invention, the stirring bodies 30a and 30b include the unit stirring blade bodies 41a in which the plurality of stirring claws Ba1 to Ba4 and Bc1 to Bc4 are arranged obliquely from the outside toward the inside. 41c, and a plurality of stirring claws Bb1 to Bb4 and Bd1 to Bd4 are provided with unit stirring blade bodies 41b and 41d arranged obliquely from the inside toward the outside. For this reason, the soil is stirred up and down, front and rear, and left and right, and evenly stirred.

  In the embodiment of the present invention, the rotation of the hydraulic motor 12 is transmitted to the rotating shafts 31a and 31b of the stirring bodies 30a and 30b via the endless chains 25 and 26. By using such endless chains 25 and 26, a sufficient torque can be obtained and the stirring bodies 30a and 30b can be smoothly rotated.

  Further, in the embodiment of the present invention, the rotation of the hydraulic motor 12 is received by the intermediate shaft 20 via the endless chain 25, and the rotating shafts 31 a and 30 b of the stirring bodies 30 a and 30 b are passed from the intermediate shaft 20 via the endless chain 26. I tell it to 31b. For this reason, torque conversion can be performed on the intermediate shaft so that optimum torque is obtained at the positions of the stirring bodies 30a and 30b.

  The present invention is not limited to the above-described embodiments, and various modifications and applications can be made without departing from the gist of the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be used as a ground agitation device for strengthening soft ground and the like by stirring and mixing a solidified material such as cement milk and soil while excavating the ground.

It is a side view which shows the outline | summary of the ground stirring apparatus of the 1st Embodiment of this invention. It is a perspective view used for description of the stirring body in the ground stirring apparatus of the 1st Embodiment of this invention. It is a figure which shows the structure of the ground stirring apparatus of the 1st Embodiment of this invention. It is a side view of the ground stirring apparatus of the 1st Embodiment of this invention. It is the left-right side view and front view which are used for description of the 1st stirring body of this invention. It is the left-right side view and front view which are used for description of the 1st stirring body of this invention. It is explanatory drawing of the movement of the soil by the 1st stirring body of this invention. It is sectional drawing used for description of the conventional ground stirring apparatus. It is sectional drawing used for description of the conventional ground stirring apparatus. It is sectional drawing for demonstrating the subject of the conventional ground stirring apparatus.

Explanation of symbols

11 Upper support (first support)
12 Hydraulic motor 13 Drive shaft 14 Sprocket 16 Oil supply path 20 Intermediate shaft 21 Sprocket 22 Sprocket 23 Lower support body (second support body)
25, 26 Endless chain 30a-30d Stirring body 30e Injection nozzle 32 Sprocket 41a-41d Unit stirring blade body 42a-42d Mounting member 45a-45h Unit stirring blade board 46a-46d Stirring claw mounting base Ba1-Ba4, Bb1-Bb4, Bc1 ~ Bc4, Bd1 ~ Bd4 Stirring claw 100 Ground stirring device

In order to solve the above-described problems, the present invention includes a drive motor, a chain mechanism that transmits the rotation of the drive motor, and first and second agitators attached to both sides of a rotating shaft that is rotated by the chain mechanism. The first stirring body includes a first unit stirring blade body in which a plurality of stirring claws are arranged obliquely with respect to the axial direction on the same circumference, and a first unit stirring blade body on the same circumference with respect to the axial direction. The unit stirring blade body includes a second unit stirring blade body in which a plurality of stirring claws are arranged obliquely in a direction opposite to the stirring claws of the unit stirring blade body, and the second stirring body is axially arranged on the same circumference. On the other hand, the third unit stirring blade body in which a plurality of stirring claws are arranged diagonally and a plurality of the unit stirring blade bodies diagonally opposite to the stirring claws of the third unit stirring blade body with respect to the axial direction on the same circumference It comprises a fourth unit stirring blade body in which stirring claws are arranged, and the first to fourth unit stirring blade bodies are arranged in the direction toward the center of the rotating shaft. During the Ri unit stirring blade substrate attached with a unit stirring blade board attached to the outer direction of the rotary shaft, and wherein the configured bridged stirring pawl mounting base having a plurality of agitation pawls are arranged It is a ground agitation device.

Preferably, the angle between the first unit stirring blade body and the second unit stirring blade body and the third unit stirring blade body and the fourth unit stirring blade body are 180 degrees from each other. characterized in that it is arranged at intervals.

According to the present invention, the first agitator has a drive motor, a chain mechanism that transmits the rotation of the drive motor, and first and second agitators attached to both sides of a rotating shaft that is rotated by the chain mechanism. The body includes a first unit stirring blade body in which a plurality of stirring claws are arranged obliquely with respect to the axial direction on the same circumference, and a first unit stirring blade body with respect to the axial direction on the same circumference. It consists of a second unit agitating blade body in which a plurality of agitating claws are arranged obliquely in the opposite direction to the agitating claw, and the second agitating body has a plurality of agitating elements obliquely with respect to the axial direction on the same circumference A third unit agitating blade body in which the claws are arranged and a plurality of agitating claws arranged obliquely in the opposite direction to the agitating claw of the third unit agitating blade body with respect to the axial direction on the same circumference 4 unit agitating blades, and the first to fourth unit agitating blades are unit agitators attached in the center side direction of the rotating shaft. Between the unit stirring blade board attached to the outer direction of the substrate and the rotary shaft, by a plurality of agitation pawls are configured to suspend and tension the stirred pawl mounting pedestal arranged, with the rotation of the agitator, sediment, Not only in the vertical direction, but also in the direction from the outside toward the inside along the axial direction and the direction from the inside toward the outside, it will be moved alternately, and it will be sufficiently stirred in the front-rear direction and the left-right direction. The

According to the present invention, the first unit agitating blade body and the second unit agitating blade body, and the third unit agitating blade body and the fourth unit agitating blade body are 180 to each other. because it is arranged at an angular interval of time, sediment and a direction such as toward the inside from the outside in the axial direction, in the direction as directed outward from the inside, it can be moved alternately.

In order to solve the above-described problems, the present invention includes a drive motor, a chain mechanism that transmits the rotation of the drive motor, and first and second agitators attached to both sides of a rotating shaft that is rotated by the chain mechanism. a first stirrer is composed of a first unit stirring blade body and the second unit stirring blade body stirring nail several are arranged, the second stirrer is stirred for several A unit agitating blade comprising a third unit agitating blade body and a fourth unit agitating blade body in which claws are arranged, and the first to fourth unit agitating blade bodies are respectively attached to the inner side of the rotating shaft. and a plurality of agitation pawls arranged along the stirring blade attachment base and the outer surface of the stirred pawl mounting seat provided across between the unit stirring blade board attached to the outer side of the substrate and the rotary shaft And the plurality of stirring claws are respectively arranged on the stirring claw mounting base. It characterized by being arranged at intervals in the direction of the axis.

According to the present invention, the first agitator has a drive motor, a chain mechanism that transmits the rotation of the drive motor, and first and second agitators attached to both sides of a rotating shaft that is rotated by the chain mechanism. body is composed of a first unit stirring blade body and the second unit stirring blade body stirring nail several are arranged, the second stirrer, the third agitation nail several are arrayed consists of a unit stirring blade body and the fourth unit stirring blade body, wherein the first to fourth unit stirring blade body, the outer side of the unit stirring blade board attached to the inside of the respective rotary shaft rotation axis And a plurality of stirring claws arranged along the outer surface of the stirring claw mounting pedestal provided between the unit stirring blade substrates attached to the unit. The stirring claws are spaced apart in the direction of the rotation axis on the stirring claw mounting base. By being configured to be arranged, with the rotation of the stirring body, soil, not only the vertical direction, the direction as directed from the outside to the inside in the axial direction, in the direction as directed outward from the inside It will be moved alternately, and will be sufficiently stirred in the front-rear direction and the left-right direction.

Claims (4)

A drive motor;
A chain mechanism for transmitting rotation of the drive motor;
And a stirring body attached to both sides of a rotating shaft that rotates by the chain mechanism,
The stirring bodies on both sides are a unit stirring blade body in which a plurality of stirring claws are disposed obliquely from the inside to the outside, and a unit in which a plurality of stirring claws are disposed obliquely from the outside to the inside. A ground stirring device comprising a stirring blade body.   The stirring bodies on both sides are each composed of two unit stirring blade bodies, one unit stirring blade body having a plurality of stirring claws arranged obliquely from the inside to the outside, and the other unit stirring blade body having a plurality of stirring blades. The ground stirring device according to claim 1, wherein the stirring claws are disposed obliquely from the outside toward the inside.   The ground stirring device according to claim 2, wherein the stirring bodies on both sides are each provided with two unit stirring blades at an angular interval of 180 degrees. An intermediate shaft is provided between the motor and the agitator, the motor and the intermediate shaft are connected by a first chain mechanism, and a second chain mechanism is provided between the intermediate shaft and the agitator. The ground agitating device according to claim 1, wherein the ground agitating device is connected.