KR102433529B1 - Weeding device for excavator - Google Patents

Abstract

The disclosed weeding apparatus for an excavator capable of logging includes a weeding cutter and a weeding unit having a swing arm supporting the weeding cutter, and cutting weeds by rotating the weeding cutter; A felling unit having a cutter for felling, and a tongs assembly that supports the cutter for felling, wraps and digs the weeds to be felled, and guides the weeds toward the cutter for felling so that the weeds are cut; and a body portion having a center frame to which a swing arm is connected to a front end and a tongs assembly is connected to a rear end, and a link assembly integrally installed on the upper surface of the center frame and connected to the arm and bucket cylinder of the excavator.

Description

Weeding device for excavator that can be felled {WEEDING DEVICE FOR EXCAVATOR}

The present invention (Disclosure) relates to a weeding apparatus for an excavator that can be harvested and used in connection with an arm of an excavator.

Herein, background information related to the present invention is provided, which does not necessarily imply prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, weeding on the edge of a road has many obstacles such as street lights and traffic information signs. are having a hard time

Therefore, in the conventional weeding operation on the edge of the road on which the guardrail is installed, the workers are carrying out the operation while holding a portable weeder or the like with their hands.

However, since the above-described portable weeder is a heavy object, workers not only feel fatigue easily, but also have a problem in that work efficiency is lowered.

In addition, there was a problem that workers are always exposed to the risk of traffic accidents because they come down to the road where vehicles are frequent and perform weeding work. did.

In addition, there was a problem in that the portable weeder could not cut down the thick trees growing on the edge of the road.

Accordingly, the inventors of the present application tried to promote the safety of workers performing weeding work on the road, and as a result, they applied for a patent for the present invention.

Korean Patent Publication No. 10-0448278. Korean Patent Publication No. 10-0633396. Korean Patent Publication No. 10-0940390. Korean Patent Publication No. 10-1389019.

The present invention (Disclosure) provides a weeding device that can be used by being connected to an arm of an excavator, etc., thereby not only securing mobility but also promoting the safety of workers and smooth weeding work on the edge of the road An object of the present invention is to provide a weeding device for an excavator capable of being harvested.

An object of the present invention (Disclosure) is to provide a weeding device for an excavator capable of cutting off the weeds growing from the road edge to the road side at the same time as the weeding operation on the road edge.

Herein, a general summary of the present invention is provided, which should not be construed as limiting the scope of the present invention (This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, a weeding apparatus for an excavator that can be felled according to any one aspect of various aspects describing the present invention has a weeding cutter and a swing arm supporting the weeding cutter, A weeding unit for cutting weeds by rotating a weeding cutter; A felling unit having a cutter for felling, and a tongs assembly that supports the cutter for felling, wraps and digs the weeds to be felled, and guides the weeds toward the cutter for felling so that the weeds are cut; and a body portion having a center frame to which a swing arm is connected to a front end and a tongs assembly is connected to a rear end, and a link assembly integrally installed on the upper surface of the center frame and connected to the arm and bucket cylinder of the excavator; may include have.

In the weeding apparatus for an excavator that can be harvested according to an aspect of the present invention, first and second connection brackets of a horizontal plate shape to which the rear end side of the swing arm are connected are installed on the front end side of the center frame, the first and The second connecting brackets are respectively installed to extend outwardly from the front end of the center frame from the upper and lower surfaces of the front end side of the center frame, and a rotating shaft is fixedly mounted to extend in the vertical direction between the first and second connecting brackets. A connection hole formed on the rear end side of the swing arm may be rotatably inserted in one side and the other side of the center frame.

In the weeding device for an excavator that can be felled according to an aspect of the present invention, the rotation shaft exposed between the upper surface connected to the rear end side of the swing arm and the lower surface of the first connection bracket and the lower surface connected to the rear end side of the swing arm The first and second torsion springs for elastically supporting the swing arm pivoted to one side and the other side of the center frame, respectively, are fitted to the rotation shaft exposed between the upper surface of the and the second connection bracket, and one end of the first torsion spring is the first 1 spanning one side of the connecting bracket, the other end of the first torsion spring spans the other side of the rear end of the swing arm, one end of the second torsion spring spans the other side over the second connecting bracket, and the other end of the second torsion spring It may span one side of the rear end of the swing arm.

In the weeding device for an excavator capable of logging according to an aspect of the present invention, the weeding unit further includes an intermittent pin for intermittent rotation of the swing arm, wherein the intermittent pin is formed on the first connection bracket so as not to interfere with the rotation shaft. The first through-hole, the third through-hole formed at the rear end of the swing arm, and the second through-hole formed in the second connecting bracket are inserted and fitted, and the upper end of the intermittent pin may span the upper surface of the first connecting bracket. .

In the weeding apparatus for an excavator that can be felled according to an aspect of the present invention, the weeding cutter is disposed on the lower side of the tip side of the swing arm via a rotation shaft rotatably supported on the swing arm, and the weeding cutter is swing It is connected to the hydraulic motor for weeding installed on the upper surface of the arm and receives rotational force to perform the weeding operation while rotating. The belt and the driven pulley may be rotatably supported.

In the weeding apparatus for an excavator that can be felled according to an aspect of the present invention, a fixing bracket to which a weeding cutter is fixedly mounted via a bolt and a nut may be mounted on the rotating shaft.

In the weeding apparatus for an excavator that can be felled according to an aspect of the present invention, the weeding unit further includes a bumper plate for protecting the weeding cutter rotating during weeding operation, wherein the bumper plate is a swing arm facing the weeding cutter. Doedoe fixedly mounted between the lower surfaces of the bumper plate may be provided in the shape of a horizontal disk having a larger diameter than the diameter drawn by the rotating weeding cutter.

In the weeding device for an excavator capable of logging according to an aspect of the present invention, the weeding unit includes a guard that prevents fragments and stones of weeds cut during weeding operation from scattering to the surroundings; further comprising, the guard, the guard beam ; and first and second shatterproof members supported by the guard beam, wherein the guard beam is fixedly mounted to the lower surface of the swing arm while being formed in a semicircular shape in plan view so as to surround the weeding cutter, On the inner circumferential side, a passer-by rod to which the first scattering prevention member is connected via a plurality of connection brackets is arranged to extend along the longitudinal direction of the guard beam, and a skirt bracket to which the second shatter prevention member is connected is a guard on the lower surface of the guard beam. It may extend to the lower side of the guard beam while extending along the longitudinal direction of the beam.

In the weeding apparatus for a fellable excavator according to an aspect of the present invention, the first shatterproof member is made of link chains, and the first shatterproof members have an upper end fitted to a hanging rod, respectively, and a lower end adjacent to the ground The first shatterproof members may be connected to a plurality of rods along the longitudinal direction of the guard beam so as to block the entire guard beam.

In the weeding apparatus for an excavator that can be felled according to an aspect of the present invention, the second scattering prevention member is provided in a vertical plate shape extending along the longitudinal direction of the guard beam, and the upper end of the second scattering prevention member is a bolt And it is fixedly mounted to the skirt bracket through a nut or the like, and the lower end may be extended toward the ground.

In the weeding apparatus for an excavator that can be harvested according to an aspect of the present invention, the tongs assembly includes: a tongs frame whose upper part is fixedly mounted to the rear end side of the center frame; a pair of first and second clamp blades supported on the clamp frame; and hydraulic cylinders for pivotally moving the first and second claw blades in a direction facing each other or pivoting in a direction away from each other.

In the weeding apparatus for an excavator capable of logging according to an aspect of the present invention, the cutting cutter includes: a semi-disk-shaped tip; and a shaft for supporting the tip, wherein the shaft is fixedly mounted on the lower surface of the tongs frame through a bolt so that the tip is exposed between the first and second clipping blades, and the position of the tip is on the lower surface of the tongs frame. A plurality of bolt fastening holes may be formed to be spaced apart from each other in the longitudinal direction of the center frame to adjust the .

According to the present invention, since the height is relatively low compared to weeding devices for excavators, it is easy to enter into the lower side of the guard rail installed at the edge of the road, and thus the guard rail, which was manually performed by conventional workers. ) will provide the effect of safely performing weeding on the lower side.

According to the present invention, since a bumper plate is provided between the weeding cutter and the swing arm, the weeding cutters are installed on the edge of the road during the weeding operation, so that the weeding cutters do not collide with the supports of the guard rails or the posts such as street lights and traffic information signs, etc. will provide

According to the present invention, since the first scattering prevention member crushes fragments such as stones scattered during weeding operation, and the second scattering prevention member sweeps them while preventing the scattering of the cut weeds and stone fragments, post-processing of the cut chaff grass, etc. It provides the effect of making it easier.

According to the present invention, since the felling unit is provided, it provides an effect of being able to easily cut weeds as well as weeds.

1 is a view showing a state in which a weeding device for an excavator capable of logging according to the present invention is connected to the excavator.
Figure 2 is a plan view schematically showing a weeding device for an excavator that can be felled according to the present invention shown in Figure 1.
3 is a side view schematically showing a weeding device for an excavator capable of logging according to the present invention shown in FIG.
Figure 4 is an enlarged view of the weeding unit shown in Figure 3;
Figure 5 is a view showing an operating state of the tongs assembly shown in Figure 2;
Figure 6 is a view showing the lower surface of the tongs assembly shown in Figure 2;

Hereinafter, an embodiment in which a weeding device for an excavator capable of logging according to the present invention is implemented will be described in detail with reference to the drawings.

However, the intrinsic technical idea of the present invention cannot be said to be limited by the embodiments described below, and the It is disclosed that the range that can be easily suggested as a method of substitution or change of the embodiment described in is included.

In addition, since the terms used below are selected for convenience of description, in grasping the intrinsic technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted as meanings consistent with the technical spirit of the present invention. it should be

Among the accompanying drawings, FIG. 1 is a view showing a state in which a weeding device for an excavator capable of logging according to the present invention is connected to the excavator.

Referring to FIG. 1 , the weeding apparatus 100 for an excavator capable of logging according to the present invention is used in connection with the extended end of the arm 30 of the excavator 10 and the bucket cylinder 40, and in the present invention The weeding apparatus 100 for an excavator capable of logging according to the present invention performs a weeding operation and a logging operation while moving by the traveling excavator 10 .

In addition, the weeding apparatus 100 for an excavator capable of logging according to the present invention is preferably used while being mounted on the excavator 10 in which the arm 30 rotates 360 degrees.

Here, since the rotation of the arm 30 of the excavator 10 by 360 degrees is a known technique, a detailed description thereof will be omitted.

As an example, the excavator 10 in which the arm 30 is rotated 360 degrees is disclosed in "Korea Patent Publication No. 10-1793961" and "Korea Patent No. 10-1764898".

Hereinafter, a weeding apparatus for an excavator capable of logging according to the present invention will be described in detail with reference to FIGS. 2 to 6 .

The weeding apparatus 100 for an excavator capable of felling according to the present invention includes a weeding unit 120 that cuts weeds, etc., and a felling unit that cuts weeds that are not cut by the weeding unit 120 (W; see FIG. 5 ), etc. (170).

In addition, the weeding apparatus 100 for an excavator capable of logging according to the present invention further includes a main body 110 supporting the weeding unit 120 and the logging unit 170 .

First, the main body 110 includes a center frame 112 and a conventional link assembly 114 for connecting the center frame 112 to the excavator 10 (see FIG. 1 ).

The center frame 112 has a predetermined width and a predetermined thickness, and is formed to extend in the horizontal direction as shown.

And although not specifically shown, the center frame 112 is formed to have a cross-sectional shape capable of three-dimensionally resisting bending and torsional loads.

The link assembly 114 is integrally installed on the upper surface of the center frame 112 as shown.

This link assembly 114 is to connect the center frame 112 to the arm 30 and the bucket cylinder 40 of the excavator 10 as anyone can know (see FIG. 1), the configuration of the link assembly 114 and Since the operation is a technique known in the art, a detailed description thereof will be omitted.

And since the connection relationship between the link assembly 114 and the arm 30 and the bucket cylinder 40 is also known in the art, a detailed description thereof will be omitted.

In this way, the center frame 112 connected to the arm 30 and the bucket cylinder 40 of the excavator 10 via the link assembly 114 is the arm 30 by the operation of the bucket cylinder 40 as can be seen by anyone. The angle is adjusted in the vertical direction.

On the other hand, first and second connection brackets 116a and 116b for connecting the weeding unit 120 to the center frame 112 are installed at the front end of the center frame 112 .

The first and second connection brackets 116a and 116b are provided in a horizontal plate shape, respectively, and are installed to extend outside the front end of the center frame 112 from the upper and lower surfaces of the front end of the center frame 112 .

At this time, the rotation shaft 118 is fixedly mounted between the first and second connection brackets 116a and 116b to extend in the vertical direction. It is rotatably fitted in one side and the other direction.

The weeding unit 120 is disposed on the tip side of the main body 110 , and the weeding unit 120 includes a weeding cutter 132 and a swing arm 122 that rotatably supports the weeding cutter 132 . includes

The swing arm 122 extends horizontally along the longitudinal direction of the center frame 112 and is provided in the shape of an empty housing.

And adjacent to the rear end side of the swing arm 122 , a connection hole 124 rotatably fitted to the rotation shaft 118 is formed to vertically penetrate from the upper surface to the lower surface of the swing arm 122 .

That is, the rear end side of the swing arm 122 is inserted between the first and second connection brackets 116a and 116b for connection with the center frame 112 , and the connection hole 124 has the upper and lower ends of the first and second connection brackets. 2 It is rotatably fitted to the rotation shaft 118 fixedly mounted to the connection brackets 116a and 116b.

And the rotation shaft 118 exposed between the upper surface connected to the rear end of the swing arm 122 and the lower surface of the first connection bracket 116a, the lower surface connected to the rear end of the swing arm 122, and the second connection bracket Common first and second torsion springs 126a for elastically supporting the swing arms 122 pivoted to one side and the other side of the center frame 112, respectively, on the rotation shaft 118 exposed between the upper surfaces of the 116b, 126b) is inserted.

At this time, one end of the first torsion spring 126a is spanned to one side of the first connection bracket 116a so as not to interfere with the rotation shaft 118 , and the other end of the first torsion spring 126a is of the swing arm 122 . It spans the other side of the rear end. And one end of the second torsion spring 126b is spanned to the other side on the second connection bracket 116b so as not to interfere with the rotation shaft 118 , and the other end of the second torsion spring 126b is on the rear end side of the swing arm 122 . spanned to one side

For example, during manufacturing operation on the edge of the road, the weeding cutter 132 is caught on a support (not shown) of a guard rail (not shown) and the swing arm 122 is rotated around the axis of rotation 118 to the frame 110 ) is rotated to the other side, the first torsion spring 126a is compressed, and when the weeding cutter 132 exits the support, the swing arm 122 is returned by the restoring force of the first torsion spring 126a.

Conversely, when the weeding cutter 132 is caught on the support of the guard rail and the swing arm 122 is rotated to one side of the frame 110 about the rotation shaft 118, the second torsion spring 126b is compressed and weeding. When the cutter 132 exits the support, the swing arm 122 is returned by the restoring force of the second torsion spring 126b.

On the other hand, the weeding unit 120 further includes an intermittent pin 128 for controlling the rotation of the swing arm 122 when moving after the completion of the manufacturing operation.

The intermittent pin 128 is a first connecting bracket 116a, the rear end side and the second of the swing arm 122 so as not to interfere with the first and second torsion springs 126a and 126b and the rotation shaft 118 as shown. 2 It is inserted through the connection bracket (116b).

To this end, first and second through-holes 130a and 130b are respectively formed in the first and second connection brackets 116a and 116b, and similarly, the rear end of the swing arm 122 does not interfere with the connection hole 124. A third through hole 130c is formed.

That is, the interruption pin 128 sequentially penetrates the first through-hole 130a, the third through-hole 130c, and the second through-hole 130b and is inserted to intermittently rotate the swing arm 122, the first , third and second through-holes (130a, 130c, 130b), the upper end of the intermittent pin (128) is spanned over the upper surface of the first connection bracket (116a).

The weeding cutter 132 is disposed on the lower side of the front end of the swing arm 122 via a rotation shaft 134 rotatably supported by the swing arm 122 .

At this time, the rotation shaft 134 extends vertically out of the lower surface of the swing arm 122 from the inside of the front end side of the swing arm 122 as shown, and the rotation shaft 134 extending outside the lower surface of the swing arm 122 ( At the lower end of the 134), a fixing bracket 136 to which the weeding cutter 132 is fixed is mounted.

Here, the fixing bracket 136 and the weeding cutter 132 are connected to each other via a bolt and a nut, which is to make it possible to easily replace the weeding cutter 132 .

In addition, the weeding cutter 132 is connected to the weeding hydraulic motor 138 installed on the upper surface of the swing arm 122 and receives rotational force from the weeding hydraulic motor 138 to perform a weeding operation while rotating forward and backward. carry out

To this end, the output end 140 of the hydraulic motor 138 for weeding extends into the swing arm 122 to face the upper end of the rotary shaft 134, and the output end 140 has a driven pulley 142 as shown. The driven pulley 144 is connected to the upper end side of the rotation shaft 134 facing the output end 140, and the driven pulley 142 and the driven pulley 144 have the belt 146 rotatably supported.

Here, power transmission using the driven pulley 142, the driven pulley 144, and the belt 146 is a known technique, and thus a detailed description thereof will be omitted.

Preferably, in the present invention, the shape of the weeding cutter 132 is not particularly limited. That is, the weeding cutter 132 may be a commercially available weeding or mowing blade, for example, the weeding cutter 132 is a disk-shaped cutter or a cutter provided in the form of a conventional wire or a conventional cutter. It may be a chain cutter.

On the other hand, the weeding unit 120 further includes a bumper plate 148 to protect the weeding cutter 132 rotates during the weeding operation.

The bumper plate 148 is disposed between the weeding cutter 132 and the lower surface of the swing arm 122 so as not to interfere with the rotation of the rotating shaft 134 , and the bumper plate 148 is rotated by the weeding cutter 132 . It is fixedly mounted on the lower surface of the swing arm 122 while having a horizontal disk shape having a diameter larger than the diameter drawn by .

The bumper plate 148 formed in this way prevents the weeding cutters 132 from being damaged by colliding with posts such as street lights and traffic information signs installed at the edge of the road or the supports of the guard rails during the weeding operation.

In addition, the weeding unit 120 further includes a guard 150 that prevents the debris and stones of the weeds cut during the weeding operation from scattering around.

The guard 150 includes first and second scattering prevention members 160 and 162 and a guard beam 152 supporting the first and second scattering prevention members 160 and 162 .

The guard beam 162 is formed in a substantially semicircular shape in plan view, and is fixedly mounted to the lower surface of the swing arm 122 so as to wrap the weeding cutter 132 as shown.

At this time, a hanging rod 154 is disposed along the longitudinal direction of the curved guard beam 152 on the inner circumferential surface of the guard beam 152 facing the weeding cutter 132 , and the lower portion of the guard beam 152 . A skirt bracket 158 extending to the lower side of the guard beam 152 while extending along the longitudinal direction of the curved guard beam 152 is integrally formed on the surface.

Here, the passer-by rod 154 is disposed on the inner circumferential surface of the guard beam 152 by connection brackets 156 having one end fixed to the guard beam 152 and the other end fixed to the passer-by rod 154 as shown. do.

On the other hand, the first scattering prevention member 160 is made of a conventional link chains in which ring chains are continuously connected, and the second scattering prevention member 162 is made of a rubber plate material having a predetermined thickness.

At this time, the first scattering prevention members 160 made of a conventional link chain are fitted with the upper end of each of the hanging rods 164, and the lower end extends adjacent to the ground.

That is, the first scattering prevention members 160 are provided in a suspended form on the passer-by rod 154 , and the first scattering prevention members 60 are of the guard beam 152 so as to block the entire guard beam 152 . A plurality of rods 154 are connected along the longitudinal direction.

The first scattering prevention members 160 connected to the passer-by rod 54 in this way not only prevent fragments such as stones from scattering to the surroundings during weeding, but also crush fragments such as stones.

And the second scattering prevention member 162 made of a rubber plate is provided in a vertical plate shape extending along the longitudinal direction of the guard beam 152, wherein the upper end of the second scattering prevention member 162 is a bolt and a nut, etc. It is fixedly mounted to the skirt bracket 158 through the middle and the lower end extends toward the ground.

The second scattering prevention member 162 thus formed makes it possible to sweep away fragments such as cut weeds while preventing fragments such as weeds from scattering around during weeding operation.

The logging unit 170 is disposed on the rear end side of the center frame 112 , and the logging unit 170 includes a conventional tongs assembly 172 and a cutting cutter 180 .

The tongs assembly 172 wraps and grips the rubbish (W) at the time of cutting the rubbish (W) and guides it toward the felling cutter (180) so that the rubbish (W) can be cut.

Such aggregation assembly 172 includes a clamp frame 174 and a pair of first and second clamp blades 176a and 176b supported on the clamp frame 174, as can be seen by anyone.

At this time, the first and second claw blades 176a and 176b are pivotally moved in a direction facing each other or pivotally moved away from each other by the operation of the hydraulic cylinders 178a and 178b, respectively.

That is, the first and second clipping blades 176a and 176b of the tongs assembly 172 rotate and move in a direction facing each other by the operation of the hydraulic cylinders 178a and 178b when cutting the garbage (W). (W) is wrapped and gripped while guiding the bushes (W) toward the felling cutter (180), and when the cutting of the chops (W) is completed by the felling cutter (180), the first and second claw blades (176a, 176b) The hydraulic cylinders 178a and 178b pivotally move away from each other by the operation of the hydraulic cylinders 178a and 178b.

And the upper portion of the clamp frame 174 is fixedly mounted on the rear end side of the center frame 112 as shown, whereby the clamp assembly 172 is disposed on the rear end side of the center frame 112 .

Here, the connection relationship between the clamp frame 174, the first and second clamp blades 176a, 176b, and the hydraulic cylinders 176a, 176b is not particularly limited in the present invention.

That is, by the operation of the hydraulic cylinders (176a, 176b), the first and second claw blades (176a, 176b) are pivotally moved in a direction facing each other to grip the rubbish (W), and rotated in a direction away from each other to cut The tongs assembly 172 may have any shape and shape as long as it is possible to put down the garbage (W).

On the other hand, the cutter 180 for felling includes a tip portion 182 having a substantially semi-disk shape, and a shaft portion 184 supporting the tip portion 182 .

At this time, the shaft portion 184 is fixedly mounted on the lower surface of the tongs frame 174 via a common bolt 186 so that the tip 182 is exposed between the first and second clipping blades 176a and 176b. do.

And on the lower surface of the tongs frame 174, a plurality of bolt fastening holes 188 allowing the position of the tip 182 to be adjusted are formed to be spaced apart from each other in the longitudinal direction of the center frame 112 at predetermined intervals.

Hereinafter, an operating state of the weeding apparatus 100 for an excavator capable of logging formed as described above will be briefly described.

In order to perform a weeding operation using the weeding apparatus 100 for a fellable excavator according to the present invention, first, the weeding apparatus 100 for a fellable excavator according to the present invention is installed with the arm 30 of the excavator 10 and the bucket cylinder ( 40), the excavator 10 is driven to move it to the work section where the weeding operation is to be performed.

As described above, when the movement to the work section to perform the weeding operation is completed, the weeding hydraulic motor 138 is operated to rotate the weeding cutter 132 .

At this time, the weeding cutter 132 performs a weeding operation while rotating, and the debris and stones of weeds cut by the weeding cutter 132 are moved around by the first and second scattering prevention members 160 and 162. It is not scattered and is accumulated inside the guard 150 .

And when the weeding ratio for the target work section is completed, the excavator 10 is driven to move to the next work section to perform the weeding work.

On the other hand, in order to remove the rubbish (W) in the working section, the arm (30) of the excavator (10) is rotated 180 degrees between the first and second claw blades (176a, 176b) to position the rubbish (W) .

As described above, when the rubbish (W) is positioned between the first and second clamping blades 176a and 176b, by operating the hydraulic cylinders 178a and 178b, the first and second clamping blades 176a and 176b face each other. direction, and at this time, the first and second claw blades 176a and 176b guide and cut the chopping wood (W) to the cutting cutter 180 side while wrapping and gripping the debris (W) to be cut.

And when the cutting of the debris (W) is completed, the hydraulic cylinders (178a, 178b) are operated to put down the cut wood (W) to turn the first and second claw blades (176a, 176b) in a direction away from each other move it

The weeding apparatus 100 for an excavator according to the present invention formed as described above has a relatively low height compared to the weeding apparatuses for an excavator, so it is easy to enter into the lower side of a guard rail installed at the edge of the road. It makes it possible to safely perform weeding work on the lower side of the guard rail, which was previously performed manually by workers.

In addition, in the weeding apparatus 100 for an excavator that can be felled according to the present invention, since the bumper plate 148 is provided between the weeding cutter 132 and the swing arm 122, the weeding cutters 132 are installed on the road during weeding. Do not collide with posts such as street lamps and traffic information signs installed at the edge or the supports of guard rails to prevent damage.

In addition, the weeding device 100 for an excavator that can be felled according to the present invention is the first scattering prevention member 160 crushes debris such as stones scattered during weeding operation, and the second scattering prevention member 162 is cut weeds and It facilitates post-processing of cut chopcho, etc. because it is swept up while preventing the scattering of stone fragments.

In addition, since the weeding device 100 for an excavator capable of cutting according to the present invention is provided with a logging unit 170, it is possible to easily cut not only weeds but also weeds.

In the foregoing, specific embodiments of the present invention have been described and illustrated, but it is common knowledge in the art that the present invention is not limited to the described embodiments, and that various modifications and variations can be made without departing from the spirit and scope of the present invention. It is self-evident to those who have Accordingly, such modifications or variations should not be individually understood from the technical spirit or point of view of the present invention, and modified embodiments should be said to belong to the claims of the present invention.

Claims (12)

a weeding unit having a weeding cutter and a swing arm supporting the weeding cutter, and cutting weeds by rotating the weeding cutter;
A felling unit having a cutter for felling, and a tongs assembly that supports the cutter for felling, wraps and digs up the weeds to be felled, and guides the weeds toward the cutter for felling so that the weeds are cut; and
A main body having a center frame to which the swing arm is connected to the front end and the tongs assembly is connected to the rear end, and a link assembly integrally installed on the upper surface of the center frame and connected to the arm and bucket cylinder of the excavator; and
The weeding unit,
A guard that prevents debris and stones of weeds cut during weeding from scattering around; further comprising,
The guard is
guard beam; and
Including; first and second scattering prevention members supported by the guard beam;
The guard beam is fixedly mounted on the lower surface of the swing arm while being formed in a semi-circular shape in plan view so as to surround the weeding cutter,
On the inner circumferential side of the guard beam, a hanging rod to which the first scattering prevention member is connected via a plurality of connection brackets is arranged to extend along the longitudinal direction of the guard beam,
A weeding device for an excavator capable of logging in which a skirt bracket to which the second scattering prevention member is connected to a lower surface of the guard beam is extended in a longitudinal direction of the guard beam and extends toward a lower side of the guard beam.
The method according to claim 1,
First and second connecting brackets in the shape of a horizontal plate to which the rear end of the swing arm are connected are installed on the front end of the center frame,
The first and second connection brackets are respectively installed to extend outwardly from the front end of the center frame from the upper surface and the lower surface of the front end side of the center frame,
A rotation shaft is fixedly mounted between the first and second connection brackets to extend in the vertical direction,
A weeding device for a felling excavator in which a connection hole formed on a rear end side of the swing arm is rotatably fitted to the pivot shaft in one and the other direction of the center frame.
3. The method according to claim 2,
The rotation shaft is exposed between the upper surface connected to the rear end of the swing arm and the lower surface of the first connection bracket, and the rotation shaft is exposed between the lower surface connected to the rear end of the swing arm and the upper surface of the second connection bracket. First and second torsion springs for elastically supporting the swing arm pivoted to one side and the other side of the center frame, respectively, are fitted coaxially,
One end of the first torsion spring spans one side of the first connection bracket, and the other end of the first torsion spring spans the other side of the rear end side of the swing arm,
One end of the second torsion spring spans the other side of the second connection bracket, and the other end of the second torsion spring spans one side of the rear end side of the swing arm.
3. The method according to claim 2,
The weeding unit further includes an intermittent pin for intermittent rotation of the swing arm;
The intermittent pin is inserted through a first through hole formed in the first connection bracket, a third through hole formed at the rear end of the swing arm, and a second through hole formed in the second connection bracket so as not to interfere with the rotation shaft. and the upper end of the intermittent pin is a weeding device for an excavator that can be felled over the upper surface of the first connection bracket.
The method according to claim 1,
The weeding cutter is disposed on the lower side of the front end of the swing arm through a rotation shaft rotatably supported on the swing arm,
The weeding cutter is connected to a weeding hydraulic motor installed on the upper surface of the swing arm to receive rotational force and rotate while performing the weeding operation,
A driven pulley is connected to the output end of the hydraulic motor for weeding, a driven pulley is connected to the rotating shaft, and a belt is rotatably supported on the driven pulley and the driven pulley.
6. The method of claim 5,
A weeding device for an excavator capable of logging in which a fixing bracket to which the weeding cutter is fixedly mounted via a bolt and a nut is mounted on the rotating shaft.
6. The method of claim 5,
The weeding unit further includes a bumper plate that protects the weeding cutter rotating during the weeding operation,
The bumper plate is fixedly mounted between the lower surface of the swing arm facing the weeding cutter,
The bumper plate is a weeding device for an excavator that can be felled provided in the shape of a horizontal disk having a larger diameter than the diameter drawn by the rotating weeding cutter.
delete The method according to claim 1,
The first scattering prevention member is made of link chains,
The first scattering prevention members have an upper end fitted to the hanging rod, respectively, and a lower end extending adjacent to the ground,
The first scattering prevention members are a weeding device for an excavator that is capable of blocking the whole of the guard beam, a plurality of which is connected to the passer-by rod along the longitudinal direction of the guard beam.
The method according to claim 1,
The second scattering prevention member is provided in a vertical plate shape extending along the longitudinal direction of the guard beam,
An upper end of the second scattering prevention member is fixedly mounted to the skirt bracket through a bolt and a nut, and the lower end is a weeding device for an excavator capable of being extended toward the ground.
The method according to claim 1,
The tongs assembly,
a clamp frame whose upper portion is fixedly mounted to the rear end side of the center frame;
a pair of first and second clamp blades supported on the clamp frame; and
A weeding device for an excavator capable of logging including; a hydraulic cylinder for pivotally moving the first and second claw blades in a direction facing each other or a hydraulic cylinder pivoting in a direction away from each other.
12. The method of claim 11,
The cutter for felling,
a semi-disk-shaped tip; and
Including; a shaft portion for supporting the tip portion;
The shaft portion is fixedly mounted on the lower surface of the tongs frame through a bolt so that the tip is exposed between the first and second tongs,
On the lower surface of the clamp frame, a plurality of bolt fastening holes are formed to be spaced apart from each other in the longitudinal direction of the center frame so that the position of the tip can be adjusted.

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