KR102043708B1 - Underground structure wall earth excavation apparatus and construction method of using thereof - Google Patents

Abstract

The present invention relates to a ground excavation and stirring apparatus, in which a bit is installed and rotated in a chain member to form a gutter type excavation groove in the ground and stirs cement, water, and the like with excavated soil to allow a steel frame made of a steel material to be inserted into the excavation groove and be continuously connected to easily construct a wall of a gutter type underground structure, and an underground continuous wall construction method using the same. According to one preferred embodiment of the present invention, the ground excavation and stirring apparatus comprises: a supporting body coupled to elevation equipment to vertically move; a rotational body rotatably mounted on the lower part of the supporting body to horizontally rotate around a vertical shaft; a horizontal rotational member rotating the rotational body in the horizontal direction with respect to the supporting body; a driving rotational member coupling both ends to the upper part of the rotational body to be vertically rotated; a chain member formed in a caterpillar shape to be vertically mounted while surrounding the driving rotational member and a driven rotational member and vertically rotated by the driving rotational member; a support plate coupled to the chain member in a direction perpendicular to the rotational direction of the chain member; an excavation bit mounted on the support plate to excavate the ground during rotation of the chain member to form an excavation groove; and a first supply pipe mounted in the rotational body to supply the water or the cement to the excavation groove.

Description

Ground excavation and stirrer and construction method of underground continuous wall using it {UNDERGROUND STRUCTURE WALL EARTH EXCAVATION APPARATUS AND CONSTRUCTION METHOD OF USING THEREOF}

The present invention relates to a ground excavation and stirrer and a method for constructing a continuous underground wall using the same, and more particularly, to form a trench type excavation groove in the ground by rotating a bit mounted on the chain member and at the same time cement, water, etc. Ground excavation and stirrer to allow easy construction of the trench-type underground structure walls by inserting steel frames made of steel into the excavation groove continuously connected to the excavation soil and stirring them, and construction of underground continuous walls using the same. It is about a method.

 In general, when constructing a high-rise or low-rise building, the basement of the building is excavated and the building is constructed from the basement. At this time, earth pressure is generated around the excavated underground space so that the earth and sand prevention barrier is installed to prevent the soil from entering the underground space. Construction is being done.

As a method of installing the anti-soil barrier wall, a method of building a concrete wall in the ground is generally used, and in order to build the anti-soil barrier wall, an excavation groove must be formed on the ground using an excavation device.

The excavation device for constructing the underground concrete continuous wall is an endless track vehicle in which an excavation chain driven by a motor is installed and a cutting tooth having a bullet bit is formed in the excavation chain to build a continuous excavation ditch in the ground, and excavation Concrete mortar is poured into the ditches (drilling grooves) to build underground concrete walls, that is, anti-soil barriers.

However, the conventional excavation device as described above, because the crawler chain of the orbital shape rotates only in the up and down direction and descends to the ground, the excavation speed and efficiency is reduced, and the work time is required, and the cross section of the excavation groove is square There was a disadvantage in that it is formed only, the excavation soil is attached to the excavation chain when excavation, there was a disadvantage that the excavation performance is reduced when excavation for a long time.

As a background technology of the present invention, Japanese Patent Application Laid-Open No. 2013-0081971 "Precast Concrete Wall and Underground Structure Permanent Wall Construction Method Using the Same".

According to the background art, 'the step of embedding a part of the first precast concrete base wall (BASE WALL) having a through hole in the ground, and a guide groove formed on one side of the first precast concrete base wall (BASE WALL) Inserting a guide protrusion formed on an opposite side of the second precast concrete base wall to a base, embedding a portion of the second precast concrete base wall in the ground, and the first precast concrete Connecting an extension wall having a through-hole to an upper end of the lower wall, and simultaneously inserting an extension wall connected to the first precast concrete base wall in the ground by a hollow drilling method; and the second precast concrete Connect the extension wall (EXTENSION WALL) having a through hole at the upper end to the base wall, and the second precast concrete machine The extending wall connected to the wall at the same time, it proposes a step underground structure wall construction method. "Containing the insert in the ground.

However, the background art is a construction method for inserting a concrete block in the ground for construction of the continuous wall, including the construction method to be waterproofed by inserting the index rubber, etc. between the blocks to be inserted, by combining a plurality of blocks continuously When the wall is to be formed, the precast concrete block, that is, the pre-fabricated concrete block, has a unit price, because a plurality of blocks must be arranged in a line with each block arranged vertically with respect to the ground. As well as expensive, there was a problem that the cost is increased to transport and store it.

Patent Publication No. 2013-0081971 "Precast concrete wall and underground structure permanent construction method using the same"

The present invention is to solve the above problems, the excavation bit of the ground excavation, drilling device can move up and down along the chain member to form the excavation groove by excavating the ground, the rotating body by the horizontal rotating member Since the cross section of the excavation groove is formed in a circular shape by rotating in the horizontal direction with respect to the support body, the chain member can be shortened by increasing the excavation speed and efficiency through the movement and rotation in the vertical direction, Without using precast concrete block, the steel frame made of steel can be assembled to be connected continuously and inserted into the excavation groove, so that construction can be done, thereby reducing the storage cost and working cost of the concrete block. Easy construction work because no hard work is needed to connect and connect concrete blocks The purpose of the present invention is to provide an excavation and stirrer and a construction method of continuous underground walls using the same.

The present invention (a) is coupled to the lifting equipment and the support body moving in the vertical direction; A rotating body rotatably mounted to a lower portion of the support body in a horizontal direction about a vertical axis; A horizontal rotating member for rotating the rotating body in a horizontal direction with respect to the supporting body; A driving rotating member having both ends coupled to an upper portion of the rotating body and rotating in an up and down direction; A driven rotating member whose both ends are coupled to a lower portion of the rotating body to rotate in a vertical direction; A chain member which is formed in an endless track shape and is enclosed in the vertical direction while surrounding the driving rotation member and the driven rotation member, and rotated in the vertical direction by the driving rotation member; A support plate coupled to the chain member in a direction orthogonal to a rotation direction of the chain member; An excavation bit mounted on the support plate to form an excavation groove by excavating the ground when the chain member is rotated; A first supply pipe mounted to the rotating main body and supplying water or cement to the excavation groove; by using the ground excavation and agitating apparatus, the rotating main body is moved in a horizontal direction with respect to the support main body by the horizontal rotating member. Rotation to the excavation bit is moved up and down along the chain member to excavate the ground, to form an excavation groove in the form of a trench in the ground, water or cement supplied to the excavation groove through the first supply pipe Stirring with excavated earth; (b) inserting and installing a plurality of frames made of steel connected to each other in the excavation groove; to provide a ground excavation and stirring device and a method for constructing a continuous underground wall using the same.

In addition, in the step (a), the drive rotary member and the driven rotary member is formed with a tooth, the chain member is spaced apart from each other with a pair of first links in which the tooth is inserted and disposed therebetween, And a pair of second links having the teeth inserted therebetween, and a coupling shaft for alternately coupling the first and second links alternately, one end of the first link being adjacent to the other. Ground excavation and stirrer device is disposed on the other end of the second link is located, the other end of the first link is coupled to the coupling shaft while being disposed inside one end of the other second link located adjacent to the The purpose of this study is to provide a construction method for underground continuous walls.

In addition, in the step (a), it is intended to provide a ground excavation and stirring device and a method for constructing a continuous underground wall using the same, characterized in that the inclined surface is formed on the lower surface of the support plate disposed in the direction in which the chain member is rotated.

Further, in the step (a), the mounting hole is formed in the upper portion of the rotating body is disposed the drive rotation member, the upper portion of the mounting hole in contact with the chain member and the drilling bit when the drive rotation member is rotated the chain The present invention provides a ground excavation and stirrer and a construction method for underground continuous walls using the same, wherein a brush is provided to brush off excavated soil attached to a member and an excavation bit.

In addition, in the step (a), the ground excavation, stirring device and the construction method of the underground continuous wall using the same, characterized in that it comprises a second supply pipe is mounted to the rotating body to supply high-pressure air to the excavation groove To provide.

In addition, in the step (a), the support body includes a fixing member coupled to the lifting equipment, and a moving member moving vertically along the fixing member, the upper portion of the rotating body is It is intended to provide a ground excavation and stirring device characterized in that it is rotatably coupled to the lower portion of the eastern wood and the construction method of underground continuous wall using the same.

In the step (b), the frame includes a pair of side plates spaced apart from each other, an intermediate connection portion connecting the spaced side plates to each other, a first coupling portion formed at one end of the side plate, and the side surface. And a second coupling part formed at the other end of the plate, wherein the first coupling part of the frame and the second coupling part of the frame disposed adjacent to the frame are coupled to each other so that a plurality of frames are continuously connected to each other. To provide an excavation and stirring device and a method for constructing a continuous underground wall using the same.

Further, in step (b), the frame has a receiving groove formed in the first coupling portion, and the second coupling portion has a shape corresponding thereto so as to fit in the receiving groove, so that the frame is adjacent to the first coupling portion of one end of the frame. It is an object of the present invention to provide a ground excavation and stirrer and a construction method of underground continuous walls using the same.

In addition, in the step (b), the frame, the first coupling portion is formed in the center of the receiving groove is formed in the center portion of the cross-section opening is formed in the insertion opening, the second coupling portion is inserted into the receiving groove is disposed, The second coupling part is to provide a ground excavation and stirring device and a method for constructing a continuous underground wall using the same, characterized in that not separated from the insertion opening.

Further, in the step (b), the frame is provided with a ground excavation and stirring device, characterized in that the inclined engaging plate extending inwardly is formed at the end of the insertion opening side of the first coupling portion and a method for constructing the continuous underground wall using the same I would like to.

In addition, in the step (b), the frame, the through-hole is formed in the side plate, the excavation soil and the cement in the excavation groove is characterized in that the flow between the inside and outside of the frame through the through hole. To provide a ground excavation and stirring device and a method of construction of underground continuous walls using the same.

In addition, in the step (b), the frame, the insert is formed so as to project a predetermined length from the bottom to the bottom, and embeds the insert perpendicular to the bottom of the excavation groove, characterized in that the frame fixed to the excavation groove To provide a ground excavation and stirrer and a method for constructing underground continuous walls using the same.

Ground excavation and stirring device of the present invention and the method of construction of underground continuous wall using the same, the excavation bit of the ground excavation, drilling device can move up and down along the chain member to excavate the ground to form the excavation groove, horizontal rotation The rotating body is rotated in the horizontal direction with respect to the support body by the member to extend the cross section of the excavation groove in a circular shape, thereby increasing the excavation speed and efficiency through the movement and rotation of the chain member in the vertical direction to increase the working time. There is an effect that can be shortened.

In addition, it is possible to install the steel frame made of steel continuously connected without inserting the precast concrete block and inserting it into the excavation groove, thereby reducing the storage cost and working cost of the concrete block. The construction work is easy because no heavy work is needed to connect and connect the concrete blocks of heavy weight.

The following drawings, which are attached in this specification, illustrate the preferred embodiments of the present invention, and together with the detailed description thereof, serve to further understand the technical spirit of the present invention. It should not be construed as limited.
1 is a perspective view of a ground excavation and stirring apparatus according to the present invention.
2 is a front view of a ground excavation and stirring device according to the present invention.
Figure 3 is a side cross-sectional structural view of the ground excavation, stirring device according to the present invention.
4 is a side view illustrating a process of excavating the ground by the ground excavation and stirring apparatus according to the present invention.
5 is a plan view of a state in which the rotating body is rotated by the ground excavation and stirring apparatus according to the present invention.
FIG. 6 is a plan view sequentially showing a method of constructing a continuous underground wall using the ground excavation and stirring device according to the present invention. FIG.
7 is a side cross-sectional view of FIG. 6.
8 is a perspective view and a perspective view of the bonded state of the frame according to the present invention.
9 to 11 are plan views illustrating various embodiments of a frame according to the present invention.

In the following the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the embodiments presented are exemplary for a clear understanding of the present invention is not limited thereto.

Hereinafter, the technical configuration of the present invention according to a preferred embodiment in detail.

1 is a perspective view of the ground excavation and stirring apparatus according to the present invention, Figure 2 is a front view of the ground excavation and stirring apparatus according to the present invention, Figure 3 is a side cross-sectional structural view of the ground excavation and stirring apparatus according to the present invention, 4 is a side view illustrating a process of excavating the ground by the ground excavation and stirring apparatus according to the present invention, and FIG. 5 is a plan view of a state in which the rotating body is rotated by the ground excavating and stirring apparatus according to the present invention.

Ground excavation and stirring device 1 used in the present invention, as shown in Figures 1 to 5, the support body 10, the rotating body 20, the horizontal rotating member 30, the drive rotary member 40, driven rotating member 50, chain member 60, support plate 70, drilling bit 80, first supply pipe 91, second supply pipe 92 and the like. It is done by

The support body 10 is coupled to the lifting equipment 110, such as an excavator, a crane and moves in the vertical direction.

The support body 10 may be made of a fixed type, but may also be made of a structure whose length is variable in the vertical direction.

In this embodiment, the support body 10 is composed of a fixing member 13 and the movable member 14.

The fixing member 13 is coupled to the elevating equipment (110).

The shank moving member 14 is mounted to be movable up and down along the fixing member 13.

The concrete structure in which the shank moving member 14 is mounted to the fixing member 13 so as to be movable upward and downward is sufficient to use a conventionally known structure, and thus a detailed description thereof will be omitted.

The rotating body 20 is mounted to the lower portion of the support body 10 so as to rotate in a horizontal direction about a vertical axis.

More specifically, the upper portion of the rotating body 20 is rotatably coupled to the lower portion of the shankdong member (14).

The horizontal rotating member 30 rotates the rotating body 20 in the horizontal direction with respect to the support body 10.

The horizontal rotating member 30 may independently rotate the rotating body 20 in the horizontal direction with respect to the support body 10, the energy supplied from the lifting device 110 (hydraulic, pneumatic, electrical Etc.) may be rotated in the horizontal direction with respect to the support body 10 through the rotating body 20.

The drive rotating member 40 is formed in a cylindrical shape, both ends are coupled to the upper portion of the rotating body 20 to rotate in the vertical direction.

The mounting hole 11 in which the driving rotating member 40 is disposed is formed at the top of the rotating body 20.

The driven rotating member 50 is formed in a cylindrical shape, both ends are coupled to the lower portion of the rotating body 20 to rotate in the vertical direction.

The chain member 60 is formed in an orbital shape and is mounted in an up and down direction while surrounding the drive rotation member 40 and the driven rotation member 50.

The chain member 60 is rotated in the vertical direction by the driving force generated in the drive rotation member 40.

The chain member 60 is composed of two, and is disposed on both sides along the vertical length direction of the rotating body 20.

The drive rotation member 40, the driven rotation member 50 and the chain member 60 is composed of a variety of structures are coupled to each other, it is possible to transfer the rotational force of the drive rotation member 40 to the chain member 60.

In this embodiment, the teeth are formed on the outer circumferential surface of the drive rotary member 40 and the driven rotary member 50, the chain member 60 is the first link 61 and the second link 62 is continuous It is repeatedly connected to the teeth coupled to.

More specifically, the chain member 60 includes a first link 61, a second link 62, and a coupling shaft 63.

The first link 61 is composed of a pair and spaced apart from each other, the teeth are disposed between, the second link 62 is composed of a pair of spaced apart from each other, the tooth is disposed therebetween do.

One end of the first link 61 is disposed outside the other end of the second link 62 located adjacently, and the other end of the first link 61 is inside one end of the other second link 62 located adjacently. Is placed on.

The coupling shaft 63 couples the first link 61 and the second link 62 which are alternately and repeatedly arranged as described above.

The support plate 70 is formed in plural and arranged in a direction orthogonal to the rotation direction of the chain member 60 to couple the two chain members 60 to each other.

An inclined surface 71 is formed on a lower surface of the support plate 70 disposed in the direction in which the chain member 60 rotates.

As the inclined surface 71 is formed on the lower surface of the support plate 70 as described above, the support plate 70 is easily inserted into the excavation groove 120 when the excavation groove 120 is formed by the excavation bit 80. While being rotated by the chain member (60).

The excavation bit 80 is formed of a plurality, it is mounted on the support plate 70, the excavation bit 80 to excavate the ground when the chain member 60 is rotated to form an excavation groove 120.
1 and 2, in the embodiment of the present invention, the number of excavation bits 80 mounted on the left side of the front support plate 70 among the plurality of support plates 70 connected by the chain member 60. Is formed more or less than the number of the drilling bit 80 mounted on the left side of the rear support plate 70, the front support plate 70 of the plurality of support plates 70 connected by the chain member 60 The number of excavation bits 80 mounted on the right side of the back support plate 70 is formed more or less than the number of excavation bits 80 mounted on the right side of the support plate 70, the left portion of each support plate 70 The number of excavation bits 80 to be mounted is an excavation bit mounting structure formed more or less than the number of excavation bits 80 to be mounted on the right side of the support plate 70 excavation bit to the support plate 70 Settle 80.
When the excavation bit 80 is fixed to the support plate 70 by the excavation bit mounting structure as described above, the excavation soil is not attached to the chain member 60 and the excavation bit 80, and thus the excavation groove 120 is more secured. Not only can be well excavated but also the water or cement supplied to the excavation groove 120 can be smoothly stirred with the excavation soil.

And, the brush 12 is mounted on the upper portion of the mounting hole 11 formed in the upper portion of the rotating body 20 so that the drive rotation member 40 is inserted.

The brush 12 is in contact with the chain member 60 and the excavation bit 80 raised during the rotation of the drive rotary member 40 to shake off the excavated soil attached to the chain member 60 and the excavation bit 80 Role.

Because of this, the excavation soil is not attached to the chain member 60 and the excavation bit 80, which are lowered after the ascension, so that the excavation groove 120 can be better excavated.

The first supply pipe 91 is mounted on the rotating body 20 to supply water or cement to the drilling groove, and the second supply pipe 92 is mounted on the rotating body 20 to provide high pressure to the drilling groove. To supply air.

The first supply pipe 91 and the second supply pipe 92 may be mounted not only on the side of the rotating body 20 but also inside or below.

The rotating body 20 is rotated in the horizontal direction with respect to the support body 10 by the horizontal rotating member 30, the drilling bit 80 is moved up and down along the chain member 60 Excavating the ground to agitate the water or cement supplied to the excavation groove through the first supply pipe 91 and the excavation soil, and the excavation is better by the high pressure air supplied through the second supply pipe 92 Can be done.

The operation process of the ground excavation and stirring device 1 of the present invention having the above-described configuration is as follows.

As shown in Fig. 3, the ground excavation and stirring device 1 of the present invention is coupled to the elevating equipment 110, and is erected vertically.

The chain member 60 is rotated by the drive rotation member 40.

As the chain member 60 is rotated, as shown in FIG. 4, the ground is excavated by the support plate 70 and the excavation bit 80 coupled to the chain member 60 to excavate the excavation groove 120. To form.

At this time, by spraying water downward through the first supply pipe 91 or spraying air downward through the second supply pipe 92, the excavation groove 120 is forcibly supplied with air and water to the excavation. Excavation by the bit 80 can be made easier.

When the shank moving member 14 is moved downward with respect to the fixing member 13, the rotary body 20 and the chain member 60 is gradually lowered to form the excavation groove 120 more and more deeply do.

In the present invention, the support body 10 is composed of the fixing member 13 and the shankdong member 14, because the shankdong member 14 moves up and down with respect to the fixing member 13, the shangdongdongbu The excavation groove 120 may be deeply formed in the ground without having to lengthen the chain member 60 mounted on the lower portion of the ash 14.

After the excavation groove 120 is excavated to some extent, the cement is supplied to the excavation groove 120 through the first supply pipe 91.

When the chain member 60 rotates in the vertical direction in the state in which the cement is excavated in the excavation groove 120, the excavation groove 120 is excavated by the excavation bit 80 and the excavation soil and cement are It will be stirred.

On the other hand, the chain member 60 and the excavation bit 80 which descends after excavating the ground are contacted with the brush 12, and the excavated soil attached to the chain member 60 and the excavation bit 80 is shaken off. As a result, the chain member 60 and the excavation bit 80 may be put back into the excavation groove 120 in a clean state so that the excavation may be performed well.

In addition, the ground excavation and mating device 1 of the present invention, the support body 10 is made of a fixing member 13 and the shankdong member 14, the shankdong member 14 to the fixing member 13 Since it moves in the up and down direction, the vertical movement distance of the rotating body 20 to which the chain member 60 is rotatably coupled can be increased, so that the drilling depth can be deeper, and the chain member 60 Excavation depth can be sufficiently deep by the vertical movement of the shankdong member 14 while reducing the length of the rotating main body 20 is combined.

In addition, the present invention by rotating the rotating body 20 in the horizontal direction with respect to the vertical axis of the support body 10 by the horizontal rotating member 30, the chain member 60 and the drilling bit 80 is horizontal By rotating in the direction, the cross section of the excavation groove 120 may be formed in a circular shape as well as a square.

In addition, it is possible to shorten the working time by increasing the excavation speed and efficiency through the movement and rotation of the chain member 60 in the vertical direction.

The horizontal rotation of the rotating body 20 by the horizontal rotating member 30 may be made independently or together with the chain member 60 to rotate in the vertical direction.

6 is a plan view sequentially showing a ground excavation and stirring apparatus of the present invention and a method of constructing a continuous underground wall using the same, and FIG. 7 is a side cross-sectional view of FIG.

In the construction method of underground continuous wall using the ground excavation and stirrer of the present invention, the excavation groove 120 is formed long in the form of a trench in the ground using the ground excavation and stirrer 1, and is supplied to the excavation groove 120. By supplying water or cement 230 to be agitated with the excavation soil, a plurality of frames 200 made of steel are inserted into the excavation groove 120 to be connected to each other to construct a continuous underground wall.

The ground excavation and stirring apparatus of the present invention and the construction method of the underground continuous wall using the same will be described in detail as follows.

First, while forming the grooved excavation groove 120 while moving the ground excavation and stirring device (a).

Ground excavation, stirrer (1) as described above, the excavation groove 120 can be easily and well formed on the ground, can be formed deep, if necessary to form a cross-section of the excavation groove 120 in various shapes It may be.

After the excavation groove 120 is formed to some extent when the excavation groove 120 is formed, the cement is supplied to the excavation groove 120 through the first supply pipe 91, and the chain member 60 rotates in the vertical direction. When the excavation groove 120 is excavated by the excavation bit 80, the excavation soil and cement are stirred.

Therefore, in order to form the underground continuous wall, a separate concrete pouring process is not necessary in the excavation groove, and the excavated soil and cement are stirred to form the underground continuous wall itself.

Thereafter, the plurality of frames 200 made of steel are inserted into and installed in the excavation groove 120 (b), and the cement 230 is cured to form underground continuous walls.

In step (a), the excavation groove 120 is formed with excavated soil and agitated cement 230, and the plurality of frames 200 made of the steel of the present invention before the cement is cured are grooved excavation grooves 120 of a plurality. Insert it so that it can be installed continuously inside.

8 is a perspective view and a perspective view of a coupled state of the frame according to the present invention, Figures 9 to 11 are plan views showing various embodiments of the frame according to the present invention.

Frame 200 may be formed in a variety of shapes, as shown, 200, a pair of side plates 212 spaced apart from each other, the intermediate connecting portion 213 for connecting the spaced side plates 212 to each other ) And a first coupling part 214 formed at one end of the side plate 212 and a second coupling part 215 formed at the other end of the side plate 212. When the plurality of frames 200 are continuously installed, the first coupling part 214 of the frame 200 and the second coupling part 215 of the frame 200 disposed adjacent to the frame 200 are coupled to each other. The plurality of frames 200 may be continuously connected to each other.

The frame 200 includes a side plate 212, an intermediate connector 213, a first coupling part 214, and a second coupling part 215, and the side plate 212 is formed in a steel plate shape. They are separated from each other in pairs. Although not shown in the drawing, the side plate 212 may be formed with a plurality of ribs for reinforcement of strength.

The intermediate connecting portion 213 is formed in a steel plate shape, so as to connect the side plates 212 spaced apart from each other, the frame 200 by the side plate 212 and the intermediate connecting portion 213 has a cross-section approximately H It may be made in a shape, as shown in Figure 11, the intermediate connecting portion 213 is spaced a predetermined distance to constitute a pair, the connecting plate 219 may be formed to connect the central portion of the pair of intermediate connecting portion 213. have.

The first coupling part 214 is formed at one end of the side plate 212, and the second coupling part 215 is formed at the other end of the side plate 212.

The first coupling part 214 of the first frame 210a disposed adjacent to each other and the second coupling part 215 of the second frame 210b are coupled to each other so that a plurality of frames 210 are continuously connected to each other. do.

For continuous and stable coupling between the frames 200, the receiving groove 214a is formed in the first coupling portion 214, and the second coupling portion 215 has a shape corresponding thereto so as to fit in the receiving groove 214a. The second coupling part 215 of the other end of the frame 200 adjacent to the first coupling part 214 of one end of the frame 200 may be fitted into the configuration.

To this end, as shown in FIG. 9, the first coupling part 214 may be formed to have an accommodating groove 214a by bending the side plate 212 to have an arc shape or a u shape, and the second coupling part 215. ) May be formed to be bent the end of the side plate 212 so as not to be caught in the receiving groove (214a).

Specifically, as illustrated in FIGS. 8 and 10, the frame 200 has a receiving groove 214a formed in the center portion of the first coupling portion 214 and one side thereof is opened to form an insertion opening 214b. The second coupling part 215 may be inserted into the receiving groove 214a so that the second coupling part 215 may not be separated from the insertion opening 214b.

As shown in Figure 8, the insertion opening 214b is formed so that one side is opened in a circular cross section, so that the second coupling portion 215 of the adjacent frame 200 is inserted into the receiving groove 214a from the top to the bottom. At this time, the second coupling portion 215 is caught in the insertion opening 214b so as not to be separated out.

The second coupling part 215 may be formed in a plate shape perpendicular to the side plate 212 as shown, so as not to be inserted into the receiving groove 214a.

In addition, as shown in (a) and (c) of FIG. 10, the first coupling part 214 may have a pentagonal cross section, and as shown in FIG. 10 (b), it may have a triangular cross section.

In this case, the frame 200 is formed such that the inclined locking plate 214c extending inward is formed at the end portion of the insertion opening 214b side of the first coupling portion 214 so that the second coupling portion 215 is inclined. The plate 214c can be prevented from coming off.

In particular, as shown in Fig. 10 (a) (b), the second coupling portion 215 may be formed in a plate shape perpendicular to the side plate 212, as in Fig. 10 (c), the first coupling It may be formed in a triangular shape corresponding to the cross-sectional shape of the portion 214.

In addition, the frame 200 has a through hole (212a) is formed in the side plate 212, the excavation soil and agitated cement 230 in the excavation groove 120 is the frame through the through hole (212a) It may be allowed to flow between the inside and the outside of the (200).

The through hole 212a may be formed in various shapes, and a plurality of through holes 212a may be formed, and various sizes of the through holes 212a may be formed.

The through-holes 212a as described above may be formed through all of the pair of side plates 212, not to be formed on the side plate 212 of the excavated side and to be formed only on the other side plate 212 You may.

Such a frame 200 is inserted into the excavated soil and the stirred cement 230, as shown in Figure 6 and 7, inserting one frame 200, the first coupling portion of the frame 200 to be disposed adjacently again ( The second coupling part 15 of the frame 200 disposed adjacent to 214 may be inserted from the top to the bottom so that the second coupling part 15 is coupled to each other. The plurality of frames 200 may be connected in advance to connect the plurality of frames 200. The cement 230 may be inserted at one time.

In particular, the frame 200, the insert 217 is formed so as to protrude a predetermined length from the lower end to the bottom, even in the case of soft ground, as shown in Figure 5, the excavation groove 120 Buried vertically to the bottom of the frame 200 may be fixed to the excavation groove 120.

Insert 217 may be formed in a variety of shapes, such as H-shaped steel, square steel pipes, pipes, the lower portion of the intermediate connecting portion 213 of the frame 200 or the connecting plate 219 is formed of the connecting plate 219 It can be made to join a lower end part by well-known methods, such as welding.

When the insert 217 is formed as described above, as shown in FIG. 7, the insert 200 is lowered from the top to the bottom so as to be embedded into the cement 230 inside the excavation groove 120. By vertically inserted into the bottom of the buried), the frame can be stably fixed to the excavation groove 120.

Ground excavation and stirring device of the present invention as described above and the construction method of the underground continuous wall using the same, the excavation bit of the ground excavation, agglomeration apparatus can move up and down along the chain member to form the excavation groove by excavating the ground Since the rotating body is rotated in the horizontal direction with respect to the support body by the horizontal rotating member to extend the cross section of the excavation groove in a circular shape, the excavating speed and efficiency are increased by moving and rotating the chain member in the vertical direction. There is an effect that can reduce the working time.

In addition, it is possible to install the steel frame made of steel continuously connected without inserting the precast concrete block and inserting it into the excavation groove, thereby reducing the storage cost and working cost of the concrete block. The construction work is easy because no heavy work is needed to connect and connect the concrete blocks of heavy weight.

So far, the present invention has been described in detail with reference to the presented embodiments, but those skilled in the art may make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. will be. The invention is not limited by the invention as such variations and modifications but only by the claims appended hereto.

1: Ground Excavation and Stirring Device
10 support body 11: mounting hole
12 brush 13 fixing member
14: Shanghai copper member 20: rotating body
30: horizontal rotating member 40: drive rotating member
50: driven rotating member 60: chain member
61: first link 62: second link
63: coupling shaft 70: support plate
71: slope 80: drilling bit
91: first supply pipe 92: second supply pipe
110: lifting equipment 120: excavation groove
200: frame 211: body
212: side plate 212a: through hole
213: intermediate connecting portion 214: first coupling portion
214a: receiving groove 214b: insertion hole
214c: inclined locking plate 215: second coupling part
217: insert 219: connecting plate
230: Cement

Claims (14)

A support body 10 coupled to the elevating equipment 110 and moving up and down; A rotating main body 20 rotatably mounted in a horizontal direction about a vertical axis in a lower portion of the supporting main body 10; A horizontal rotating member 30 for rotating the rotating body 20 in a horizontal direction with respect to the support body 10; A driving rotating member 40 having both ends coupled to an upper portion of the rotating body 20 to rotate in a vertical direction; A driven rotating member 50 having both ends coupled to a lower portion of the rotating body 20 to rotate in a vertical direction; A chain member 60 formed in a caterpillar shape and mounted in an up and down direction while surrounding the drive rotation member 40 and the driven rotation member 50, and rotated in an up and down direction by the drive rotation member 40; A support plate (70) coupled to the chain member (60) in a direction orthogonal to the rotation direction of the chain member (60); An excavation bit 80 mounted to the support plate 70 to excavate the ground when the chain member 60 rotates to form an excavation groove 120; And a first supply pipe 91 mounted to the rotating body 20 to supply water or cement to the excavation groove 120.
An inclined surface 71 is formed on a lower surface of the support plate 70 disposed in the direction in which the chain member 60 rotates.
The number of excavation bits 80 mounted on the left side of the front support plate 70 among the plurality of support plates 70 connected by the chain member 60 is excavated bits 80 mounted on the left side of the rear support plate 70. The number of excavation bits 80 formed on the right side of the front support plate 70 of the plurality of support plates 70 formed by more or less than the number of the plurality of support plates 70 connected by the chain member 60 is the rear support plate. More or less than the number of excavation bits 80 mounted on the right side of the 70, the number of excavation bits 80 mounted on the left side of each support plate 70 of the corresponding support plate 70 The excavation bit 80 is fixed to the support plate 70 by an excavation bit mounting structure formed more or less than the number of excavation bits 80 mounted on the right side.
The rotating body 20 is rotated in the horizontal direction with respect to the support body 10 by the horizontal rotating member 30, the drilling bit 80 is moved up and down along the chain member 60 Ground excavation and stirring device characterized in that to excavate the ground. The method according to claim 1,
Tooth is formed in the drive rotating member 40 and the driven rotating member 50,
The chain member 60 has a pair of first links 61 spaced apart from each other and the teeth inserted therebetween, and a pair of second links spaced apart from each other and the teeth inserted therebetween ( And a coupling shaft 62 alternately and repeatedly coupling the first link 61 and the second link 62 to each other.
One end of the first link 61 is disposed outside the other end of the second link 62 located adjacently, and the other end of the first link 61 is inside one end of the other second link 62 located adjacently. Ground excavation, stirring device, characterized in that coupled to the coupling shaft 62 is disposed in the. delete The method according to claim 1,
The mounting hole 11 in which the drive rotation member 40 is disposed is formed on the top of the rotation body 20,
An excavation soil attached to the chain member 60 and the excavation bit 80 in contact with the chain member 60 and the excavation bit 80 at the time of rotation of the driving rotary member 40 on the mounting hole 11. Ground excavation and stirring device, characterized in that the brush (12) to shake off. The method according to claim 1,
And a second supply pipe (92) mounted to the rotating body (20) to supply high pressure air to the excavation groove (120). The method according to claim 1,
The support body 10 includes a fixing member 13 coupled to the elevating equipment 110 and a moving member 14 moving upward and downward along the fixing member 13. The upper portion of the rotating body 20 is ground excavation, stirring device, characterized in that rotatably coupled to the lower portion of the shankdong member (14). In the construction method of the underground continuous wall using the ground excavation and stirring apparatus of any one of Claims 1-2 or 4-6,
(a) using the ground excavation and stirrer 1 to form an excavation groove 120 in the form of a trench in the ground, the water supplied to the excavation groove 120 through the first supply pipe 91 or Stirring the cement with the excavated earth;
(b) inserting and installing a plurality of frames made of steel connected to each other in the excavation groove 120; construction method of the continuous underground wall using the ground excavation, stirrer. The method according to claim 7,
in step (b),
The frame 200 includes a pair of side plates 212 that are spaced apart from each other, an intermediate connector 213 that connects the side plates 212 that are spaced apart from each other, and a first formed on one end of the side plate 212. It comprises a first coupling portion 214, and the second coupling portion 215 formed on the other end of the side plate 212,
The first coupling part 214 of the frame 200 and the second coupling part 215 of the frame 200 disposed adjacent to the frame 200 are coupled to each other so that a plurality of frames 200 are continuously connected to each other. Construction method of underground continuous wall using the ground excavation, stirrer. The method according to claim 8,
in step (b),
Frame 200 has a receiving groove 214a is formed in the first coupling portion 214, the second coupling portion 215 is formed in a shape corresponding to the fitting groove 214a, the frame 200 And a second coupling part (215) at the other end of the frame (200) adjacent to the first coupling part (214) of one end of the frame. The method according to claim 9,
in step (b),
Frame 200, the first coupling portion 214 is made of a cross-section in which the receiving groove 214a is formed in the center portion and one side is opened to form the insertion opening 214b,
The second coupling part 215 is inserted into the receiving groove 214a so that the second coupling part 215 is not separated from the insertion opening 214b. Construction method of underground continuous wall using The method according to claim 10,
in step (b),
Frame 200 is a continuous wall of the ground using the ground excavation, stirrer, characterized in that the inclined engaging plate 214c extending inwardly is formed at the end of the insertion opening portion 214b side of the first coupling portion 214 Construction method. The method according to claim 8,
in step (b),
The frame 200 has a through hole 212a formed in the side plate 212, and excavation soil and agitated cement 230 in the excavation groove 120 are formed through the through hole 212a. Construction method of underground continuous wall using the ground excavation, stirrer, characterized in that the flow between the inside and outside of the 200. The method according to claim 8,
in step (b),
The frame 200 has an insert 217 formed to protrude a predetermined length from a lower end portion to a lower portion thereof, and embeds the insert 217 perpendicularly to the bottom surface of the excavation groove 120 to insert the frame 200 into the excavation groove. Construction method of underground continuous wall using the ground excavation, stirring device, characterized in that the fixed to the 120. The method according to claim 8,
in step (b),
Frame 200, the intermediate connection portion 213 is spaced a predetermined distance is composed of a pair,
Construction method of the continuous underground wall using the ground excavation, stirring device, characterized in that the connecting plate 219 is formed to connect the central portion of the pair of intermediate connecting portion (213).

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