KR100920792B1 - Apparatus for cutting and spraying lawn - Google Patents

Abstract

The present invention relates to a lawn care device equipped with a control and cutting function configured to spray water or a control solution onto the lawn and to cut the lawn.

Lawn care device with a control and cutting function according to the invention, the vehicle body that can be towed connected to the traction device; An injector for spraying water or control liquid stored in a tank provided in the vehicle body onto the turf; A wheel that supports the vehicle body with respect to the ground by being mounted on the one side of the vehicle body by the height adjusting unit so that the height can be adjusted; And a plurality of blades spaced apart from each other, the cutter being mounted to the vehicle body so that the blade falls from the ground or is inserted into the ground when the height of the wheel is adjusted. The cutter is mounted to the vehicle body to be vibrated up and down. It is characterized by.

Grass, control, roots, cutting, blade, wheels, spraying, vibration

Description

Lawn manager with control and cutting function {Apparatus for cutting and spraying lawn}

The present invention relates to a lawn care device equipped with a control and cutting function configured to spray water or a control solution onto the lawn and to cut the lawn.

The grass is referred to collectively as ground cover plants, which are buried in the ground with roots as well as creeping and underground diameters. These grass roots are fibrous and have many roots, and their distribution and quantity depend on environmental, cultivated, and genetic factors.

The function of the roots of the grass is to fix the grass to the ground and absorb nutrients and moisture. The roots of these grasses are preferably distributed within 45-60 cm underground, but most of them are distributed within 30 cm above the ground surface. This is because the roots of grass not only grow down, but also grow vigorously to the side. Therefore, cutting the roots of the grass growing in the horizontal direction is further promoted in the vertical direction, for this purpose a butt cut device is used. The vertical cut device is provided with a plurality of blades arranged vertically, while cutting the roots of the grass by cutting the lawn to a predetermined depth while the blades rotate.

In order to care for the grass, as well as cutting the roots of the grass as described above, the lawn must be watered periodically and controlled. However, with a normal butt cut device, only the butt cut operation for cutting the root of the grass in the vertical direction can be performed. The butt cut device is also equipped with a water tank and a spray nozzle, which is to prevent overheating of the rotary blade by spraying water during the butte cut operation, to independently spray the lawn when not performing the butt cut operation Can not be taken or prevented. Therefore, the conventional vertical cut device is not able to perform the water supply and control operations, there is a problem that must purchase a separate equipment for this.

Lawn management device with a control and cutting function of one embodiment of the present invention, the vehicle body that can be towed connected to the traction device; An injection device for injecting water or a control liquid stored in a tank provided in the vehicle body to the grass; A wheel configured to be height-adjustable on one side of the vehicle body by a height adjustment port to support the vehicle body with respect to the ground; And a plurality of blades spaced apart from each other, and includes a cutter mounted to the vehicle body such that the blade falls from the ground or is inserted into the ground when the height of the wheel is adjusted.

In the lawn manager with a control and cutting function according to the invention, the height adjustment device, the wheel support is fixed to the wheel; A screw coupled to each of the vehicle body and the wheel support to change a relative distance between the vehicle body and the wheel during rotation; And an adjustment handle formed at the top of the screw.

In the lawn care device provided with the control and cutting function according to the present invention, the cutter may be mounted to the vehicle body so as to be vibrated up and down.

In the lawn care device with a control and cutting function according to the present invention, the cutter, the cutter frame is spaced apart from the vehicle body and the blade is mounted on the lower; An eccentric cam mechanically connected to the rotating shaft rotated by a vibrating motor and the cutter frame to convert the rotating movement of the rotating shaft into vertical reciprocating motion of the cutter frame; And an elastic member mounted between the vehicle body and the cutter frame to impart an elastic restoring force during the vertical reciprocation of the cutter frame.

In the lawn care device with a control and cutting function according to the present invention, the cutter is arranged to extend from one of the vehicle body and the cutter frame to penetrate the other, and guide bar for reciprocating the cutter frame. It may be made to include more.

On the other hand, lawn care equipped with a control and cutting function according to the present invention, extending from the cutter, may further comprise a pressure roller for pressing the ground from the back of the blade.

Lawn manager according to the present invention is provided with a spraying device for spraying water or control liquid to the grass and a cutter that can cut the root of the grass and a wheel mounted to the vehicle body to adjust the height. Thus, by adjusting the height of the wheel, the cutter blade may be dropped from the ground or inserted into the ground. Therefore, according to the present invention, there is an effect that the operation of cutting the root of the grass in the vertical direction and the operation of spraying water or the control liquid to the grass at the same time or independently.

In addition, the lawn care device according to the present invention can easily adjust the depth that the blade is introduced into the surface, there is an effect that can be cut by inserting the blade to the optimal depth of insertion suitable for the surface conditions.

In the lawn care device according to the present invention, the cutter for cutting the root of the grass is capable of vibrating up and down. Therefore, the lawn care device according to the present invention has an advantage of effectively cutting the roots of the grass.

DETAILED DESCRIPTION Hereinafter, embodiments of the present invention in which the above object can be specifically realized are described with reference to the accompanying drawings. In describing the embodiments, the same names and symbols are used for the same components, and additional description thereof will be omitted below.

1 is a perspective view showing the front of the lawn manager according to the present invention, Figure 2 is a perspective view showing the back of the lawn manager according to the present invention. 3 and 4 are schematic views showing structures for rotating the cutter blade in the lawn manager according to the present invention, and FIGS. 5 and 6 illustrate structures for vibrating the cutter in the lawn manager according to the present invention. 7 are schematic diagrams, and FIG. 7 is an operational state diagram of a lawn manager according to the present invention.

As shown in Fig. 1 and 2, the lawn care device according to the present invention is mounted to the vehicle body 110, which can be connected to a traction device (not shown), the body 110 is sprayed water or control liquid to the ground and grass Including the injection device 200, the wheel 120 for supporting the vehicle body 110 to the ground, the cutter 300 is mounted to the vehicle body 110 to cut the root of the grass.

The vehicle body 110 forms a body of a lawn care device according to the present invention, and may be connected to a traction device (not shown) such as a tiller or a tractor. The front of the vehicle body 110 is formed with a towing ring 111 for connection with the towing device, as shown in FIG. When the towing ring 111 is connected to the towing device, the vehicle body 110 is towed while traveling of the towing device.

The injection device 200 is a device for injecting water or control liquid to the grass, as shown in Fig. 1 and 2, the tank 210 for storing the water or the control liquid and the water stored in the tank 210 or It comprises a spray nozzle 220 for spraying the control liquid to the grass.

The tank 210 is mounted on an upper portion of the vehicle body 110, for example, and a transparent level check window 211 is provided at one side thereof to check the water level in the tank 210. The injection nozzle 220 is provided with a plurality in the front lower portion of the vehicle body 110 to evenly spray the water or the control liquid stored in the tank 210 toward the grass of the ground.

As shown in FIGS. 1 and 7, a pump 230 is disposed between the tank 210 and the spray nozzle 220 so that the spray nozzle 220 may evenly spray water or a control liquid at a high pressure. It is provided. The pump 230 receives water or the control liquid in the tank 210 through the supply hose 235, and the water or the control liquid pumped at a high pressure by the pump 230 is supplied through the distribution hose 237. It is supplied to each injection nozzle 220. Each spray nozzle 220 sprays the water or the control liquid evenly toward the grass. When the pump 230 is not operated, water or the control liquid stored in the tank 210 is not sprayed.

The wheels 120 are mounted on one side of the vehicle body 110, for example, on both sides of the vehicle body 110 as shown in FIGS. 1 and 2. The wheel 120 supports the vehicle body 110 with respect to the ground, and allows the vehicle body 110 to travel smoothly when the towing apparatus is driven. In the embodiment shown in the drawing the wheel 120 is provided in the rear lower portion of the vehicle body 110, in this case, it is difficult for the vehicle body 110 to be self-supporting in the state in which the vehicle body 110 is separated from the towing device . Therefore, the support body 125 may be provided in the vehicle body 110 so that the vehicle body 110 separated from the towing apparatus can stand on its own.

The support leg 125 is disposed at the front lower portion of the vehicle body 110 as shown in FIGS. 1 and 2 to support the vehicle body 110 with the wheel 120 against the ground. In the state in which the vehicle body 110 is connected to the towing device, the vehicle body 110 may stand on its own even without the support leg 125. Therefore, when the vehicle body 110 is connected to the traction device, the support leg 125 is folded or rotated as shown in FIG. 7 so that the support leg 125 does not interfere with the running of the vehicle body 110. Away from the ground.

The wheels 120 are mounted to be capable of height adjustment on one side of the vehicle body 110 through the height adjustment port 130 as shown in Figs. When the wheel 120 is lowered by the height adjustment device 130, the vehicle body 110 is relatively raised relative to the ground. On the contrary, when the wheel 120 is raised by the height adjusting device 130, the vehicle body 110 is relatively lowered to the ground. When the vehicle body 110 rises above the predetermined height, the blade 320 of the cutter 300 falls from the ground. When the vehicle body 110 descends above the predetermined height, the blade 320 of the cutter 300 moves to the ground. Is inserted.

As shown in FIGS. 1, 2, and 7, the height adjustment device 130 includes a wheel support 131 on which the wheel 120 is fixed, the vehicle body 110, and the wheel support 131. Comprising a screw 135, and an adjustment handle 137 formed on the top of the screw 135, respectively.

The wheel support 131 is fixed to the wheel 120 is disposed on both sides of the vehicle body 110, respectively. The wheel support 131 may be elevated with respect to the vehicle body 110 together with the wheel 120. A vertical guide slot 112 is formed at the side of the vehicle body 110 so that the wheel support 131 can stably move with respect to the vehicle body 110, and the wheels are formed in the guide slot 112. A portion of the support 131 is fitted.

The adjustment handle 137 is formed on the top of the screw 135, the user can rotate the screw 135 in the forward or reverse direction by using the adjustment handle 137. The screw 135 is coupled to the vehicle body 110 and the wheel support 131, respectively, and changes the relative distance between the vehicle body 110 and the wheel 120 during rotation. For example, when the screw 135 rotates in the forward direction, the wheel 120 is lowered relative to the vehicle body 110 while raising the vehicle body 110 relative to the ground, and the screw 135 rotates in the reverse direction. The lower wheel 120 lowers the vehicle body 110 with respect to the ground while the wheel 120 ascends with respect to the vehicle body 110. As such, through the forward and reverse rotation of the screw 135, the vehicle body 110 rises or descends with respect to the ground, and together, the blade 320 of the cutter 300 falls from the ground or is inserted into the ground.

The cutter 300 is mounted to the vehicle body 110, and a plurality of blades 320 are spaced apart from each other as shown in FIG. 2. The blade 320 of the cutter 300 may be removed from the ground or inserted into the ground by adjusting the height of the wheel 120 as described above. Therefore, when only water supply or control operations are performed, the vehicle body 110 may be raised to drop the blade 320 of the cutter 300 from the ground. By lowering, the blade 320 of the cutter 300 may be inserted into the ground.

The blade 320 of the cutter 300 may be configured to rotate during the butte cut operation to effectively cut the root of the grass. The blade 320 of the cutter 300 is configured to rotate by receiving a power of the traction device or to be rotated by a separately provided motor. The structure for rotating the blade 320 of the cutter 300 is shown in Figures 3 and 4, the structure for rotating the blade 320 will be described in more detail with reference to these drawings.

3 illustrates an embodiment in which the blade 320 is configured to rotate by receiving power from a traction device (not shown). In general, a cultivator, a tractor, and the like are drawn out to a power shaft for transmitting power to an additional device. As shown in FIG. 3, a driving shaft 301 for connecting with the power shaft of the traction device protrudes toward the front of the vehicle body 110, and a bevel gear box 303 is mounted at the rear end of the driving shaft 301. . The bevel gear box 303 is connected to the power transmission shaft 305 disposed orthogonal to the drive shaft 301.

As shown in FIGS. 2 and 4, the blade 320 is mounted to the cutter frame 310. The cutter frame 310 includes a plurality of extensions 315 extending downward, the blade support shaft 325 is mounted to the lower end of each extension 315, the blade support shaft 325 On both sides of the pair of blades 320 are mounted, respectively. The power transmission shaft 305 and the blade support shaft 325 are arranged in parallel, a power transmission member 307 such as a belt connects the power transmission shaft 305 and the blade support shaft 325.

Power of the traction device is transmitted to the drive shaft 301 through the power shaft, the rotation of the drive shaft 301 is transmitted to the power transmission shaft 305 through the bevel gear box 303. In addition, since the rotation of the power transmission shaft 305 is transmitted to the blade support shaft 325 through the power transmission member 307, the blade 320 is rotated.

4 illustrates an embodiment in which the blade 320 is configured to rotate by a drive motor 309 separately provided in the vehicle body 110. The drive motor 309 is mounted to the cutter frame 310, and a motor shaft 308 is connected to the drive motor 309. The motor shaft 308 is arranged to pass through each extension 315 of the cutter frame 310. The motor shaft 308 is disposed in parallel with the blade support shaft 325 disposed at the lower end of the extension portion 315, the motor shaft 308 and the blade support shaft 325 is a power transmission such as a belt. Connected by a member 307.

When the motor shaft 308 is rotated by the operation of the drive motor 309, the rotation of the motor shaft 308 is transmitted to the blade support shaft 325 through the power transmission member 307. Therefore, the blade 320 mounted on the blade support shaft 325 is rotated to effectively cut the root of the grass.

On the other hand, in the lawn care device according to the present invention, the cutter 300 is mounted on the vehicle body 110 to be vibrated up and down so that the blade 320 can cut the root of the grass more effectively. As such, a structure for vibrating the cutter 300 up and down is illustrated in FIGS. 5 and 6, which will be described below in more detail with reference to these drawings.

As shown in FIGS. 5 and 6, the cutter 300 is configured to rotate the cutter frame 310 and the vibration motor 330 disposed to be spaced apart from the vehicle body 110, and to vertically reciprocate the cutter frame 310. It includes an eccentric cam 340 to convert to, and an elastic member 350 for imparting an elastic restoring force to the relative movement of the vehicle body 110 and the cutter frame 310. In addition, the cutter 300 may further include a guide bar 360 for smoothly guiding the up and down reciprocating motion of the cutter frame 310.

As illustrated in FIGS. 5 and 6, the cutter frame 310 is disposed to be spaced apart from an upper portion of the vehicle body 110. The blade 320 is mounted to the lower portion of the cutter frame 310 as shown in FIGS. 2 and 4. An elastic member 350 in the form of a coil spring is interposed between the vehicle body 110 and the cutter frame 310, and the guide bar 360 is mounted to penetrate the inside of the elastic member 350. For example, the guide bar 360 extends downward from the vehicle body 110 and is disposed to penetrate the cutter frame 310, and the vertically reciprocating motion of the cutter frame 310 is applied to the guide bar 360. Guided gently.

As shown in FIGS. 5 and 6, the vehicle body 110 is equipped with a vibration motor 330, and a rotation shaft 331 is connected to the vibration motor 330. A reducer 332 may be installed between the vibration motor 330 and the rotation shaft 331 if necessary. In the embodiment of FIG. 6, the eccentric cam 340 is mounted to the rotation shaft 331, but in the embodiment of FIG. 5, the eccentric cam 340 is connected to the rotation shaft 331 by a belt 335. It is mounted on a separate shaft 337. The center of the eccentric cam 340 is spaced apart from the center of the rotation axis 331 or the shaft 337 by a predetermined distance. And, in the embodiment of Figure 5, the outer surface of the eccentric cam 340 is installed to contact the upper portion of the cutter frame 310, in the embodiment of Figure 6, the outer surface of the eccentric cam 340 is a belt ( 335 is connected and the belt 335 is connected to a separate shaft 317 mounted to the cutter frame 310.

When the vibration motor 330 operates, the rotation shaft 331 rotates, and thus the eccentric cam 340 rotates. Since the center of the eccentric cam 340 is spaced apart from the center of the rotation axis 331 and the shaft 337, the rotational movement of the vibration motor 330 by the rotation of the eccentric cam 340 is the cutter It is converted into a vertical reciprocating motion of the frame 310. Therefore, the cutter frame 310 reciprocates up and down, and the elastic member 350 assists in the up and down reciprocation of the cutter frame 310 with elastic restoring force.

When the cutter frame 310 reciprocates up and down, the blade 320 mounted below the cutter frame 310 also reciprocates up and down. The blade 320 also rotates as described with reference to FIGS. 3 and 4, and also performs vertical reciprocating motion as shown in FIGS. 5 and 6. Therefore, the blade 320 can effectively cut the root of the grass in the vertical direction.

Meanwhile, the lawn care machine according to the present invention may further include a pressure roller 400 as illustrated in FIGS. 2 and 7. The pressure roller 400 extends from the cutter 300 and presses the ground from the back of the blade 320 while being pressed by the pressure spring 410. The pressure roller 400 serves to step on the grass cut roots after the blade 320 cut the grass, and in addition to the appropriate weight is added to the rear of the grass manager by the center of gravity is directed to the front portion It helps to keep the work stable by preventing the damage.

Lawn manager according to the present invention configured as described above is capable of lifting the vehicle body 110, as shown in Figure 7 may also perform a butt cut operation and water supply or control work at the same time, these operations can be performed independently It may be. In the case of independently performing the water supply or the control operation, the vehicle body 110 is sufficiently raised by the height adjusting device 130 so that the blade 320 does not contact the ground, and the pump 230 operates Water or the control liquid is sprayed on the grass through the spray nozzle 220. When only the butt cut operation is performed independently, the pump 230 may be stopped in the state of FIG. 7.

As described above, the lawn manager according to the present invention can perform the water supply or the control work and the butt cut operation simultaneously or independently, thereby reducing the cost of purchasing equipment for lawn management. In addition, the lawn care device according to the present invention provides excellent grass cutting performance because the blade not only rotates but also reciprocates up and down.

Although some embodiments have been described above by way of example, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof.

Accordingly, the above-described embodiments should be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents are included within the scope of the present invention.

1 is a perspective view showing a front surface of a lawn manager according to the present invention;

Figure 2 is a perspective view showing the back of the lawn manager according to the present invention;

3 and 4 are schematic views showing structures for rotating the cutter blade in the lawn care machine according to the present invention;

5 and 6 are schematic diagrams showing structures for vibrating a cutter in a lawn manager according to the present invention; And

7 is an operational state diagram of the lawn manager according to the present invention.

     Explanation of symbols on the main parts of the drawings

110: body 120: wheels

130: height regulator 200: injector

210: tank 220: injection nozzle

230: pump 300: cutter

310: cutter frame 315: extension portion

320: blade 330: vibration motor

340: eccentric cam 400: pressure roller

Claims (6)

A body that can be towed in connection with the towing device; An injection device for injecting water or a control liquid stored in a tank provided in the vehicle body to the grass; A wheel configured to be height-adjustable on one side of the vehicle body by a height adjustment port to support the vehicle body with respect to the ground; And Is provided with a plurality of blades disposed spaced apart, the cutter mounted on the vehicle body so that the blade is dropped from the ground or inserted into the ground when adjusting the height of the wheel; The cutter is a lawn manager with a control and cutting function, characterized in that mounted to the vehicle body so as to vibrate up and down. The method of claim 1, The height adjustment sphere, A wheel support on which the wheel is fixed; A screw coupled to each of the vehicle body and the wheel support to change a relative distance between the vehicle body and the wheel during rotation; And Lawn manager with a control and cutting function comprising an adjustment handle formed on the top of the screw. delete The method according to claim 1 or 2, The cutter, A cutter frame disposed spaced apart from the vehicle body and having the blade mounted therein; An eccentric cam mechanically connected to the rotating shaft rotated by a vibrating motor and the cutter frame to convert the rotating movement of the rotating shaft into vertical reciprocating motion of the cutter frame; And Grass management device equipped with a control and cutting function comprising an elastic member mounted between the vehicle body and the cutter frame to give an elastic restoring force during the vertical reciprocating motion of the cutter frame. The method of claim 4, wherein The cutter, And a guide bar extending from one of the vehicle body and the cutter frame to penetrate the other, further comprising a guide bar guiding reciprocating motion of the cutter frame. The method of claim 1, Lawn manager with control and cutting function extending from the cutter, further comprising a pressure roller for pressing the ground from the back of the blade.

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