KR102550726B1 - Tree excavator with curved blade - Google Patents

Abstract

The present invention relates to a tree excavator equipped with a curved blade, and more particularly, to a tree excavator using a blade equipped with a curved blade that slides up and down in a curved shape and forms a closed cone shape by mutual combination. It relates to a tree excavator equipped with a curved blade capable of easily excavating and transplanting trees without breaking the excavated tree roots.
A tree excavator equipped with a curved blade according to the present invention includes an arc-shaped main frame formed in an arc shape so that a tree can be inserted into a hollow formed in the center, and a gate connected to one end of the arc-shaped main frame to be opened and closed. The main body portion; a plurality of slide rails erected on the main body at a predetermined angle and arranged radially symmetrically with respect to the hollow of the main body; a plurality of blades movably supported on each of the plurality of slide rails to excavate the ground around the tree; Blade driving means for vertically moving the plurality of blades; In the tree excavator comprising a plurality of slide rails, the plurality of slide rails are built at a predetermined angle on the main body, but the inner side facing each other is provided with a curved support portion curved in a concave shape, and the blade is curved on the curved support portion. A sliding bracket supported to be able to slide up and down in a curved shape, a curved center shovel blade bent in a direction corresponding to the curved support portion and fastened to the sliding bracket to slide up and down in a curved shape integrally with the sliding bracket; A pair of curved wing shovel blades extending to both sides of the curved central shovel blade are provided, and the plurality of blades form a closed cone shape by mutual combination during ground excavation. In the state in which the sliding bracket is lowered The curved central shovel blade is characterized in that the front end is in contact with each other, and the curved wing shovel blade is formed in a shape in which the side surface of the adjacent curved blade shovel blade is in contact with each other.

Description

Tree excavator with curved blade {TREE EXCAVATOR WITH CURVED BLADE}

The present invention relates to a tree excavator equipped with a curved blade, and more particularly, to a tree excavator using a blade equipped with a curved blade that slides up and down in a curved shape and forms a closed cone shape by mutual combination. A tree excavator equipped with a curved blade capable of directly cutting straight roots (straight roots) of trees to be excavated and easily excavating and transplanting trees without breaking the tree roots.

The term 'excavation of trees' refers to the act of digging up living trees in a forest for the purpose of moving them to another location.

Trees for landscaping in home gardens, roads, downtown areas, etc. are grown in a certain place in consideration of not only the environmental aspect but also the aesthetic aspect of the environment in which they are created, and then transplanted when they grow to a certain size. work will be done

The process of transplanting a tree is performed in the order of tree selection, excavation and splitter, pruning and pruning, transportation, planting, and installation of a support tree, and considerable skill is required in each process.

Conventional tree excavation work is performed by excavating the periphery of the tree to be transplanted using an excavator and performing a crushing operation, but most of the transplanting work is done manually, which takes a lot of time and manpower. Depending on the capacity of the tree, the root of the tree is easily damaged and there is a problem that a high defect rate may occur.

Therefore, it is necessary to develop a technology capable of minimizing manual work in the excavation process of trees to reduce the phenomenon of trees being cut off and to enable easy care.

On the other hand, in the prior art, Korean Patent Publication No. 10-2018-0110435 (published on October 10, 2018) 'tree excavator' cuts the root of a tree together with soil, and supports the lower end of the cut root with a first blade and A tree excavator including a second blade and a driving unit controlling operations of the first blade and the second blade is disclosed.

However, the conventional tree excavator as described above only discloses a configuration for a means for cutting and supporting the root of a tree together with soil, and is not provided with any other means for excavating trees of various sizes.

In addition, as another prior art, Korean Patent Laid-open Publication No. 10-2014-0007224 (published on January 17, 2014) 'tree excavation device and tree excavation method' describes a plurality of cutting blades inserted into the soil around the root of a tree and the cutting Disclosed is a tree excavation device and a tree excavation method comprising a frame having a plurality of guide holes guiding a direction in which blades are inserted, and a head portion to which pressure or blow is applied so that the cutting portion including the cutting blade can be inserted into the soil. has been

However, the tree excavation device according to the other prior art also discloses only a means for excavating trees by individually configuring cutting blades for manually cutting the roots of trees, and means capable of excavating trees of various sizes. or any other means for tree digging that minimizes manual labor.

Therefore, in another prior art to improve these problems, Korean Patent Publication No. 10-2021-0124847 (published on October 15, 2021) has an excavator connector provided to connect with an excavator arm on one side, and adjusts the radius. The main body portion of the arc (arc) type in which the main link is formed to enable; Doedoe provided in plurality to form a predetermined interval on the main body, provided to form a predetermined angle with the main body; a variable frame provided on the outside of the shaft, formed to move up and down along the shaft by a first cylinder, and including a blade on one side; A 'tree excavator' including a vibration motor configured to generate vibration when the blade operates has been proposed.

However, in another prior art described above, the blades for excavating the ground are formed in a straight line and moved in a straight line, so that the lower ends of the blades do not come into contact with each other and a gap hole is formed in the center. ) has a problem in that it is exposed through the gap and is not cut, but is pulled and cut off in the process of pulling out the tree, leading to death of the tree.

In addition, since the shape of the excavated tree root powder is relatively small in size in the form of an inverted triangle, there is a problem in that the root powder of the tree may be broken during the pulling process of the tree.

The present invention has been made to solve the problems of the prior art as described above, and an object of the present invention is to directly cut the straight root (straight root) of a tree to be excavated, and to easily excavate a tree without breaking the root of the tree. and a tree excavator equipped with a curved blade capable of being transplanted.

In order to achieve the above object, the tree excavator equipped with a curved blade according to the present invention has an arc-shaped main frame formed in an arc shape so that a tree can be inserted into a hollow formed in the center, and one end of the arc-shaped main frame. a main body having a gate connected to be openable and closed; a plurality of slide rails erected on the main body at a predetermined angle and arranged radially symmetrically with respect to the hollow of the main body; a plurality of blades movably supported on each of the plurality of slide rails to excavate the ground around the tree; Blade driving means for vertically moving the plurality of blades; In the tree excavator comprising a plurality of slide rails, the plurality of slide rails are built at a predetermined angle on the main body, but the inner side facing each other is provided with a curved support portion curved in a concave shape, and the blade is curved on the curved support portion. A sliding bracket supported to be able to slide up and down in a curved shape, a curved center shovel blade bent in a direction corresponding to the curved support portion and fastened to the sliding bracket to slide up and down in a curved shape integrally with the sliding bracket; A pair of curved wing shovel blades extending to both sides of the curved central shovel blade are provided, and the plurality of blades form a closed cone shape by mutual combination during ground excavation. In the state in which the sliding bracket is lowered The curved central shovel blade is characterized in that the front end is in contact with each other, and the curved wing shovel blade is formed in a shape in which the side surface of the adjacent curved blade shovel blade is in contact with each other.

Here, the blade is characterized in that an inclination angle adjusting means for fastening the curved central shovel blade to the sliding bracket to be able to rotate forward and backward and to be fixed with respect to the center of the main body portion is further provided.

Here, the inclination angle adjusting means includes a positioning fixing plate provided on the side surface of the sliding bracket and having a certain length in the vertical direction, a positioning plate fixed to the curved center shovel blade and provided in surface contact with the positioning fixing plate, An inclination adjustment hinge axis fastened through a point of the position fixing plate and the position adjustment plate so that the curved center shovel blade can rotate forward and backward with respect to the sliding bracket, and the curved center shovel blade connects to the inclination adjustment hinge axis It is characterized in that it includes a shovel fixing bolt fastened through another point of the position fixing plate and the position adjusting plate so that the curved center shovel blade is fixed to the sliding bracket in a state of being rotated to the rotation center.

Here, the curved support part is manufactured by bending a 'c'-shaped frame having a certain length and having an open upper and lower end and one side, and the slide rail is hingedly connected to one side of the lower end of the curved support part to lower the lower part by its own weight. It is characterized in that a lower opening/closing film is further provided which is rotated and opened in the direction, rotated in an upward direction by contact with the ground, and seals the open lower surface of the curved support part.

Here, the main body is composed of two gates, hingedly connected to both ends of the arc-shaped main frame with gate rotation hinge shafts, respectively, so as to be able to rotate, and a gate rotation cylinder for rotating the gate around the gate rotation hinge shaft as a rotation center is further It is characterized by being provided.

According to the configuration described above, the tree excavator equipped with a curved blade according to the present invention slides up and down in a curved shape and excavates trees using a blade equipped with a curved shovel blade forming a closed cone shape by mutual combination. It is possible to directly cut the straight root (straight root) of the tree, and it is possible to easily excavate and transplant the tree without breaking the tree root.

In addition, the tree excavator equipped with a curved blade according to the present invention is provided with gates that can be opened and closed at both ends of the arc-shaped main frame, so that the opening width can be expanded, so that the main body can easily wrap the trees to be excavated. There are advantages to being

1 is a plan view showing a state of use of a tree excavator equipped with a curved blade according to an embodiment of the present invention;
2 is a side view of a main part of a tree excavator equipped with a curved blade according to an embodiment of the present invention;
Figure 3 is a plan view and a side view showing a coupled state of the sliding bracket according to an embodiment of the present invention
4 and 5 are side views showing a state of use of a tree excavator equipped with a curved blade according to an embodiment of the present invention;
6 is a front view of a blade according to an embodiment of the present invention
Figure 7 is a side view showing a state of use of the inclination angle adjusting means according to an embodiment of the present invention
8 is an enlarged side view showing an inclination angle adjusting means according to an embodiment of the present invention;
9 is a perspective view of a tree excavator equipped with a curved blade according to another embodiment of the present invention;

Hereinafter, a tree excavator equipped with a curved blade according to the present invention will be described in more detail with reference to the embodiment shown in the drawings.

1 is a plan view showing a state of use of a tree excavator equipped with a curved blade according to an embodiment of the present invention, and FIG. 2 is a side view of a main part of a tree excavator equipped with a curved blade according to an embodiment of the present invention. 3 is a plan view and a side view showing a coupled state of the sliding bracket according to an embodiment of the present invention, and FIGS. 4 and 5 are use of a tree excavator equipped with a curved blade according to an embodiment of the present invention. A side view showing a state, Figure 6 is a front view of a blade according to an embodiment of the present invention, Figure 7 is a side view showing a use state of the inclination angle adjusting means according to an embodiment of the present invention, Figure 8 is a side view of the present invention It is an enlarged side view showing an inclination angle adjusting means according to an embodiment of the present invention, and FIG. 9 is a perspective view of a tree excavator equipped with a curved blade according to another embodiment of the present invention.

1 to 9, the tree excavator equipped with a curved blade according to the present invention includes a main body 10, a slide rail 20, a blade 30, and a blade driving means 40. .

As shown in FIG. 1, the body 10 includes an arc-shaped main frame 12 formed in an arc shape so that a tree can be inserted into a hollow 11 formed in the center, and one end of the arc-shaped main frame is opened and closed. It is a configuration in which a gate 13 connected to the gate 13 and a gate rotation cylinder 14 for rotating the gate rotation hinge shaft 131 around the rotation center are provided.

In one embodiment of the present invention, the gate 13 is composed of two and is hingedly connected to both ends of the arc-type main frame 12 by gate rotation hinge shafts 131 to be rotatable.

As described above, the two gates 13 are connected to both ends of the arc-type main frame 12 to be openable and open, respectively, and the opening width is enlarged as shown in (a) of FIG. It is possible to wrap the tree easily, and when the tree is excavated, the gate 13 is closed as shown in FIG. A tree to be excavated is positioned in the hollow 11 of the body portion 10.

On the other hand, as shown in FIG. 9, the main body part 10 may be provided with an excavator connector 15 to be connected to an excavator (not shown) on one side.

The excavator connector 15 may be connected to an excavator arm so that the tree excavator equipped with the curved blade according to the present invention is controlled by the excavator.

The slide rails 20 are erected at a predetermined angle on the main body 10 and, as shown in FIG. It is a composition that becomes

In one embodiment of the present invention, the slide rail 20 is provided with a curved support portion 21 and a lower opening/closing membrane 22.

The curved support part 21 is built on the body part 10 at a predetermined angle, and the inner parts facing each other with respect to the plurality of slide rails 20 are curved in a concave shape, and in the present invention, As shown in Figs. 3 and 9, it is produced by bending a 'c' shaped frame having a certain length and having an open upper and lower end and one side.

3 shows a state in which a ‘c’-shaped frame having an open inner surface is used as the curved support 21 as an embodiment of the present invention, and FIG. 9 shows an outer surface as another embodiment of the present invention. A state in which the openly arranged 'c'-shaped frame is used as the curved support part 21 is shown.

As shown in FIG. 2, the lower opening/closing membrane 22 is connected by a hinge 221 to one side of the lower end of the curved support 21, rotates downward by its own weight and opens, and opens upward by contact with the ground. It rotates and is configured to seal the open lower surface of the curved support part 21.

That is, the lower opening/closing membrane 22 is normally open by its own weight, so that the leaves enter the inner space of the curved support part 21 manufactured by bending a 'c'-shaped frame with upper and lower ends and one side open. When foreign substances, including foreign substances, are introduced, they can be discharged into the lower space, and when they touch the ground during excavation, they are closed by contact with the ground so that soil on the ground does not flow into the curved support part 21. play a role

The lower opening and closing membrane 22 is provided with a stopper that limits the maximum angle of inclination in the open state, so that when the lower opening and closing membrane 22 touches the ground, it is brought into contact at an acute angle so that it can be smoothly closed without malfunction. It is desirable to do

A plurality of blades 30 are supported to move up and down on each of the plurality of slide rails 20 so as to excavate the ground around the tree, and in one embodiment of the present invention, the sliding bracket 31 and the curved center A shovel blade 32, a curved wing shovel blade 33, and an inclination angle adjusting means 34 are provided.

As shown in FIG. 3 or FIG. 9 , the sliding bracket 31 is guided by the curved support 21 and is supported so as to be slid upward and downward in a curved shape.

As shown in FIGS. 4 and 5 , the curved center shovel blade 32 is bent in a direction corresponding to the curved support 21 and is coupled to the sliding bracket 31 to be integral with the sliding bracket 31 . It is configured to slide up and down in a curved shape.

As shown in FIG. 6, the curved blade blades 33 are configured as a pair and extend to both sides of the curved center blade blade 32, respectively.

In the present invention, as shown in FIGS. 5 and 9, the plurality of blades 30 form a closed cone shape by mutual combination when excavating the ground, so that the sliding bracket 31 lowers the curve The front ends of the center blades 32 are in contact with each other, and the curved blade blades 32 are formed in a shape in which the side surfaces of the adjacent curved blade blades 32 are in contact with each other.

That is, the plurality of blades 30 according to the present invention are configured to slide up and down in a curved shape and at the same time form a closed cone shape by mutual combination when excavating the ground, thereby directly cutting the straight root (direct root) of the tree to be excavated It is possible to easily excavate and transplant trees without breaking the tree roots.

The inclination angle adjusting means 34 is configured to fasten the curved center shovel blade 32 to the sliding bracket 31 so as to be able to rotate forward and backward and to be fixed with respect to the center of the body portion 10, according to one embodiment of the present invention. Examples include a positioning fixing plate 341, a positioning adjustment plate 342, an inclination adjustment hinge shaft 343, and a blade fixing bolt 344, as shown in FIGS. 7 and 8.

The position fixing plate 341 has a certain length in the vertical direction and is provided on a side surface of the sliding bracket 31 .

The position adjusting plate 342 is fixed to the curved center shovel blade 32 and is configured to be in surface contact with the position fixing plate 341 .

The inclination adjustment hinge shaft 343 connects one point between the positioning fixing plate 341 and the positioning adjustment plate 342 so that the curved center shovel blade 32 can rotate forward and backward with respect to the sliding bracket 31. It is a structure that is fastened through.

In one embodiment of the present invention, the inclination adjustment hinge shaft 343 is configured to pass through the lower end portions of the positioning fixing plate 341 and the positioning adjustment plate 342 to be fastened.

The shovel fixing bolt 344 fixes the curved central shovel blade 32 to the sliding bracket 31 in a state in which the curved central shovel blade 32 is rotated around the tilt adjustment hinge shaft 343 as a rotation center It is configured to be fastened through the other point of the position fixing plate 341 and the position adjusting plate 342 as much as possible.

In order to effectively fasten the blade fixing bolt 344, fastening holes are formed at regular intervals along the vertical direction of the positioning fixing plate 341, and at a position corresponding to the fastening hole in the positioning plate 342 A long hole is formed along the rotational trajectory, and the blade fixing bolt 344 can be fastened between the long hole of the positioning plate 342 and the fastening hole of the positioning plate 341 .

In addition, for more reliable fixing, the blade fixing bolt 344 may be configured in plurality according to the number of the fastening hole and the long hole.

The plurality of blades 30 do not form a closed cone shape by mutual combination, and a gap may be generated by opening the lower end due to deformation or the like. will be able to narrow it down.

The blade driving means 40 is configured to move the plurality of blades 30 up and down.

In one embodiment of the present invention, as shown in FIGS. 4 and 5, the rear end of the body portion is hingedly connected to the slide rail 20, and the front end of the rod moving forward and backward is attached to the sliding bracket 31 of the blade 30. It consists of a hinged drive cylinder.

When the blade driving means 40 is operated in the initial state of FIG. 4, as shown in FIG. 5, the curved center blade 32 slides downward in a curved shape integrally with the sliding bracket 31. and the front ends come into contact with each other.

The tree excavator with the curved blade described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is determined only by the matters described in the claims below, and the improved and changed embodiments without departing from the gist of the present invention are obvious to those skilled in the art to which the present invention belongs. It will be said that it falls within the protection scope of the present invention.

10 main body
11 hollow
12 arc mainframe
13 gate
131 Gate pivot hinge axis
132 gate turning cylinder
14 excavator connector
20 slide rail
21 curved support
22 Lower opening and closing screen
30 blade
31 sliding bracket
32 Curved Center Blade
33 Curved blade shovel blade
34 Inclination angle adjusting means
341 position fixing plate
342 position adjustment plate
343 Tilt Adjustment Hinge Shaft
344 blade fixing bolt
40 blade driving means

Claims (5)

a main body having an arc-shaped main frame formed in an arc shape so that a tree can be inserted into a hollow formed in the center, and a gate connected to one end of the arc-shaped main frame to be opened and closed; a plurality of slide rails erected on the main body at a predetermined angle and arranged radially symmetrically with respect to the hollow of the main body; a plurality of blades movably supported on each of the plurality of slide rails to excavate the ground around the tree; Blade driving means for vertically moving the plurality of blades; In the tree excavator comprising,
The plurality of slide rails are erected at a predetermined angle on the body portion, but the inner side facing each other is provided with a curved support portion curved in a concave shape,
The blade is bent in a direction corresponding to the curved support portion and is fastened to the sliding bracket, and the sliding bracket is supported by the curved support portion to slide up and down in a curved shape, and the blade is bent vertically and curved integrally with the sliding bracket. A curved central shovel blade that slides and a pair of curved wing shovel blades extending to both sides of the curved central shovel blade are provided,
The plurality of blades, in a state in which the sliding bracket is lowered so that the plurality of blades can form a closed cone shape by mutual combination during ground excavation, the front ends of the curved center blades are in contact with each other, and the curved wing blades are adjacent to each other It is formed in a shape where the curved wing shovel blade and the side meet each other,
The curved support part is manufactured by bending a 'c'-shaped frame having a certain length and having an open top and bottom and one side,
The slide rail is hinged to one side of the lower end of the curved support, rotates downward by its own weight and opens, rotates upward by contact with the ground, and seals the open lower surface of the curved support. Tree excavator with a curved blade, characterized in that the closing is further provided. According to claim 1,
The tree excavator with a curved blade, characterized in that the blade is further provided with an inclination angle adjusting means for fastening the curved central shovel blade to the sliding bracket so as to be able to rotate and fix it back and forth with respect to the center of the main body part. According to claim 2,
The inclination angle adjusting means includes a positioning fixing plate provided on the side surface of the sliding bracket and having a certain length in the vertical direction, a positioning plate fixed to the curved center shovel blade and provided in surface contact with the positioning fixing plate, An inclination adjustment hinge axis fastened through a point of the position fixing plate and the position adjustment plate so that the curved center shovel blade can rotate forward and backward with respect to the sliding bracket, and the curved center shovel blade rotates the inclination adjustment hinge shaft A curved blade characterized in that it includes a blade fixing bolt fastened through the position fixing plate and another point of the position adjusting plate so that the curved center blade is fixed to the sliding bracket in a state of being rotated to the center. Equipped tree excavator. delete According to any one of claims 1 to 3,
In the body part, the gate is composed of two, hingedly connected to both ends of the arc-shaped main frame with gate rotation hinge shafts, respectively, and is rotatable, and a gate rotation cylinder for rotating the gate with the gate rotation hinge axis as a rotation center is further provided. A tree excavator equipped with a curved blade, characterized in that.

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