KR101137328B1 - Walk type multi-functional cultivator - Google Patents

Abstract

PURPOSE: A walk type multipurpose grass mower is provided to improve operationality and weeding effect. CONSTITUTION: A walk type multipurpose grass mower comprises a frame(110), a handle(120), a wheel unit(130), an engine(140), a transfer unit(150), and a safety cover unit(160). The frame is equipped with a support structure and a wheel fixing structure connected to the support structure. One end of the handle is fixed to the frame and the other end thereof is expanded to the rear of the frame. The wheel unit is fixed to the wheel fixing structure and supports the frame. The engine provides driving force for the rotation of a blade. The transfer unit transfers power to the blade.

Description

Walk type multi-purpose mower {WALK TYPE MULTI-FUNCTIONAL CULTIVATOR}

The present invention relates to a walk-type multi-purpose mower that allows the user to perform the weeding operation E or the harvesting operation by the power of the engine while walking while pushing.

Weeds naturally grow in the furrows of rice fields or fields after sowing or transplanting. Weeds absorb the nutrients of their surroundings with vigorous growth, which hinders the growth of crops. Therefore, weeding has become an important year-round crop for farmers considering agricultural productivity.

It is not easy for a person to remove rice weeds in paddy fields or furrows during farming season when there is not enough work. Herbicides, which have long been used as quick and easy herbicides, have contributed to the increase of human food. On the other hand, the widespread use of herbicides has serious side effects such as soil pollution, destruction of surrounding ecosystems, and human absorption of residual pesticides. Moreover, resistant weeds are encouraging overuse of herbicides, and there are already super weeds that do not die by several times the spread of the past, which poses a threat to agriculture.

Chongqing mower is a farming machine that directly removes or cuts weeds between paddy fields and furrows, and is designed to replace humans using basketball. Chongqing herbicides also play a role in promoting crop growth by supplying air to the soil while digging and moving soil along with cutting of weeds, and are increasingly receiving attention as a weeding method that overcomes the dysfunction and limitations of herbicides.

Chongqing weeding machines are equipped with sweeping or rotary hoes on the back of tractors that can be used for riding and weaving. ), A type of mowing (operated walking type) that is operated while the user walks, and a method of working while pushing and walking a cart equipped with a power unit for driving the mowing blade (walking type). In the middle economies, including mowing blades, they can be cut and harvested.

Pedestrian-style chong mowers operate in sloped fields or narrow furrows, so ease of operation is key. In particular, the cultivated weeding machines operated in paddy fields and the like also have a high resistance to water received and may easily fall out, and may cause water or cut weeds to scatter to surrounding crops or cause inconvenience to workers by rotating the blade. Therefore, there is a need for a device that can be easily operated and operated even by a worker, such as an elderly person or a woman, even in poor working conditions.

SUMMARY OF THE INVENTION The present invention has been made in view of the above, and an object thereof is to provide a walking-type multipurpose mower which improves driving and operability while improving herbicidal function.

Another object of the present invention is to facilitate the operation of the mower during operation and to improve mobility.

In order to solve the above problems, the walk-type multi-purpose mower according to the present invention, the frame having a support structure formed to support the engine portion, and the wheel fixing structure connected to the support structure; A wheel unit fixed to the wheel fixing structure and supporting the frame; A handle having one end fixed to the frame and the other end extending rearward of the frame, the handle having a handle; A safety cover unit having a mowing blade rotated at a predetermined height from a bottom surface therein and having a guide plate inclined upwardly; And a buoyancy plate detachably attached to a rear end of the safety cover unit and providing a buoyancy force to the safety cover unit, wherein the buoyancy plate is formed in a plate shape, and the traveling direction of the safety cover unit is formed on a bottom surface thereof. And a plurality of protrusions formed accordingly.

As an example related to the present invention, the frame may be formed in a bent state of the bar.

As an example related to the present invention, the walkable multi-purpose mower may include: a hinge provided on the handle and configured to bend an upper end of the handle; And it may further include a switching knob for bending operation of the handle.

As an example related to the present invention, an opening may be formed in front of the safety cover unit.

As an example related to the present invention, the wheel unit may include a bracket disposed at a lower end of the frame; And one wheel installed on the bracket so as to be positioned in the middle of the lower end of the frame.

As an example related to the present invention, the wheel, the first edge wheel and the second edge wheel formed on both ends; And an intermediate wheel having a smaller diameter than the first edge wheel and the second edge wheel between the first edge wheel and the second edge wheel.

As an example related to the present invention, the wheel may be formed in the form of a plastic buoyancy body.

As an example related to the present invention, the wheel unit includes a pair of support frames; A first fixing plate and a second fixing plate formed at different heights between the pair of support frames; It may include a clamp unit for selectively fastening to the first fixing plate or the second fixing plate. In this case, the clamp unit may include a fastening plate formed to be opposed to the first fixing plate or the second fixing plate; And a screw part formed to selectively fix the fastening plate to the first fixing plate or the second fixing plate.

As an example related to the present invention, the mowing blade may be formed in a bent end of the blade toward the ground.

delete

As an example related to the present invention, the walkable multi-purpose mower may further include a support plate attached to the rear end of the wheel and providing buoyancy to the wheel.

As an example related to the present disclosure, the safety cover unit may further include a plurality of protrusions formed on a bottom surface of the buoyancy plate or the support plate and parallel to a traveling direction of the safety cover unit.

As an example related to the present invention, the front end of the safety cover unit may be formed with a guide portion of the inclined or curved form to guide the crop or weed in a certain direction.

According to the walkable multi-purpose mower according to the present invention, an improved structure of the frame, the handle, and the wheel improves operability and operability during weeding or harvesting. The safety cover unit is effective in preventing the weeds cut during the weeding or harvesting work or soil or water scattered in the work area and working in a stable state.

In addition, the multi-purpose mower according to the present invention has the advantage of easy switching of the device or detachment of parts to have a variety of functions according to the purpose.

1 is a first perspective view schematically showing a view of a walking type multi-purpose mower from one side in front according to an embodiment related to the present invention;
FIG. 2 is a second perspective view schematically showing a state in which the walkable multi-purpose mower of FIG. 1 is seen from the other side in front of FIG.
3 is a perspective side view schematically showing the safety cover unit 160
4 is a cross-sectional view taken along line IV-IV of FIG. 3.
5 is a plan view of a mowing blade that can be applied to a walking multi-purpose mower in accordance with the present invention.
6 is a side view of a walkable multi-purpose mower 200 according to another example related to the present invention.
7 is a rear view of the walkable multi-purpose mower 200 of FIG. 6.
FIG. 8 is a perspective view of the frame 210 of the walkable multi-purpose mower 200 of FIG.
9 is a front perspective view of the wheel unit 230 of the walkable multi-purpose mower 200 of FIG.
10 is a rear perspective view of the wheel unit 230 of FIG.
11 is a plan view schematically illustrating a walking type multi-purpose mower 200 equipped with a safety cover unit 260 ′ according to another example related to the present invention.
FIG. 12 is a side view schematically illustrating a walking type multi-purpose mower 200 with a supporting plate 280 fixed to the frame 210 as an example related to the present invention.
13 is a schematic perspective view of a walking type multi-purpose mower 300 according to another embodiment related to the present invention

Hereinafter, with reference to the accompanying drawings, a walk-type multi-purpose mower related to the present invention will be described in detail. In describing the embodiments, detailed descriptions thereof may be omitted when related related arts and the like obscure the subject matter of the present invention.

1 is a first perspective view schematically showing a state of a walking multi-purpose mower in accordance with an example related to the present invention from one side, and FIG. 2 is a view of the walking multi-purpose mower of FIG. 1 seen from another side in front. 3 is a perspective side view schematically showing the safety cover unit 160, FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 3, and FIG. 5 is a walking related to the present invention. Top views of mowing blades that can be applied to mold multi-purpose mowers.

As shown in Figure 1 and 2, the walk-type multi-purpose mower 100 is configured to allow the operator to carry out the weeding or harvesting operation by the rotary working blade mounted on the front while pushing the device. In general, the walking type multi-purpose mower 100 has a frame 110, the handle 120, the wheel unit 130, the engine unit 140, the transmission unit 150 and the safety cover unit 160 is provided have. Hereinafter, the configuration and operation of each of these parts and units will be described in detail.

The frame 110 is formed in a form in which a metal or plastic rod is processed into a predetermined structure. 1 and 2, the frame 110 is formed in a 'V' shape with the wheel unit 130 mounted on the bottom when viewed from the side, and in the reverse 'U' shape when viewed from the front or rear Formed. The frame 110 may be bent in a predetermined shape by using one bar to form such a shape. Frame 110 may be provided with a connecting rod 111 for reinforcement. The connecting rod 111 may be fixed to the frame 110 by welding or bolts, or assembled by accessories such as a separate joint. A middle portion of the frame 110 is formed with a support 112 on which the engine unit 140 can be installed.

The rear end of the frame 110 may be provided with a support plate so that the device can be easily moved without falling out of the paddy field. The support plate prevents the wheel unit 130 from being pulled out when the handle 120 is lowered or tilted and enables the operator to operate as desired. The support plate may be formed of a resin material or a metal material, and may be fixed to the frame 110 or detachably attached to the frame 110.

The handle 120 is fixed to the frame 110 by a joint 123 or the like. The handle 120 as a whole can be made by bending the bar in a predetermined shape, such as the frame 110, the end portion may include a handle 121 to facilitate the operator to hold. The handle portion 121 may be formed of a rubber or plastic material to prevent sliding.

1 and 2, the handle 120 is bent in a shape of 'a' or '7' when one bar is viewed in plan view. The handle 120 may be formed of a material having a sufficient rigidity so as not to degrade the overall operability while taking a simple shape. The handle 120 may be provided with a switch or a lever for adjusting the output of the engine unit 140. In addition, the handle 120 may be provided with a switch and a handle that can fold the handle 120 to facilitate handling when moving as will be described later.

The wheel unit 130 is configured to be rolled and moved in the pushing direction by the handle 120 while supporting the frame 110 and the engine unit 140. The bracket 131 may be provided at the wheel unit 130 to fix the frame 110. The wheel unit 130 may be formed in a wide shape so as to be easy to move in a narrow furrow or paddy field, and an uneven surface 132 may be formed on an outer circumferential surface so that a cloud may be accurately formed. The wheel unit 130 may be formed in the form of a buoyancy body made of plastic or a rubber tire. The wheel unit 130 made of one has an advantage of receiving less resistance from water or soil than when made of a plurality. The wheel unit 130 may be formed so as to have a width of the safety cover unit 160 so that the balance may not be easily lost during the operation. In addition, the wheel unit 130 may include a height adjustment device to easily adjust the height for the frame (110).

The engine unit 140 provides a driving force for rotation of the blade (see No. 170 of FIG. 3) mounted in the safety cover unit 160. The engine unit 140 generates a driving force using the fuel supplied from the fuel tank 142, and the output unit 141 is connected to transmit torque to the transmission unit 150.

The transmission unit 150 is formed to transmit the power received from the output unit 141 of the engine unit 140 to the mowing blade 170 in the safety cover unit 160. The transmission unit 150 may be configured to include a shaft for transmitting power to the hollow tube. 1 and 2, the transmission part 150 is directly connected to the safety cover unit 160 in an inclined form.

As shown in Figure 3, the inside of the safety cover unit 160 is provided with a mowing blade 170 that is rotated by the power of the engine unit 140. The mowing blade 170 is configured to receive a rotational force by being connected in the form of a shaft and a bevel gear 155 in the transmission unit 150. The mowing blade 170 is formed in a replaceable form, and may be selected in consideration of friction with soil as well as weeds during weeding. As shown in FIG. 4, the mowing blade 170 has a circular saw blade shape (a), a plurality of blade shapes (b), a shape in which an end of the blade is bent toward the ground (c), and a rotating wire shape (d). It can be in the form of, and the appropriate choice can be made depending on the work area. Form c, the end of the blade bent towards the double ground is suitable for weeding while moving the paddy fields filled with water.

The rear end of the safety cover unit 160 prevents the safety cover unit 160 and the mowing blade 170 from sinking downward when the mowing blade 170 is rotated and the safety cover unit 160 and the mowing blade 170. Buoyancy plate 180 is provided to provide a buoyancy to maintain this constant height. The buoyancy plate 180 may be formed by processing a resin material or a metal material in the form of a plate. Referring to FIG. 4, the bottom surface of the buoyancy plate 180 includes a plurality of protrusions 181 formed along the traveling direction of the safety cover unit 160. The protrusion 181 minimizes the occurrence of resistance by attaching soil (G) to the buoyancy plate 180 in a wet field or paddy field. Since air A is included between the protrusion 181 and the protrusion 181, the contact area is reduced.

Referring again to FIGS. 1 and 2, the safety cover unit 160 has an opening hole 162 formed at the front side to prevent weeds and soil or water from cutting during weeding, and to come out only on one side. In addition, the front of the safety cover unit 160 is provided with a guide plate 165 so that the cutting blade to maintain a constant height with respect to the ground during the operation and to easily proceed through the furrows. An opening may be formed in the side surface of the safety cover unit 160.

The mowing blade and safety cover unit 160 may be provided in plural so as to increase the number of rice paddies or furrows to be worked at once. The plurality of blades and the safety cover unit 160 may be configured to be rotated at one time by receiving power from one engine unit 140. In this case, the transmission unit 150 may be formed in plurality in accordance with the number of the plurality of blades and the safety cover unit 160, and includes a horizontal element and a vertical element so that the power transmission can be accurate and quiet It can be formed as.

6 is a side view of the walkable multi-purpose mower 200 according to another embodiment of the present invention, FIG. 7 is a rear view of the walk-type multi-purpose mower 200 of FIG. 6, and FIG. 8 is a walk-type multi-purpose mower of FIG. 6. It is a perspective view showing the frame 210 of 200 separated.

In this example, the walk type multi-purpose mower 200 has an engine portion 240, a transmission portion 250 and a safety cover unit 260 similar to the previous embodiment, while the frame 210, the handle 220 And wheel unit 230 is different from the previous configuration.

First, as shown in Figure 8, the frame 210 is made of a wheel fixing structure 230B for connecting to the support structure 210A and the wheel unit 230 made by bending a rod-like steel or plastic as a whole. The support structure 210A is formed in a shape in which a plurality of connecting rods 211 are attached to a pair of pipes 212 having a predetermined width so as to mount the engine unit 140 thereon. The structure of such a frame 210 is simple and suitable for assembling the device.

The wheel fixing structure 230B is fixed to the supporting structure 210A by welding or by bolts or rivets. The wheel fixing structure 230B may be formed to be easily fixed to the lower wheel unit 230 by changing the height. According to FIG. 8, the wheel fixing structure 230B includes a pair of parallel vertical rods. Detailed configuration of the wheel unit 230 will be described later with reference to FIGS. 8 and 9.

6 and 7, the handle 220 is fixed to the frame 210 and has a structure in which an upper end of the handle 220 can be bent. In detail, a hinge 227 is provided in the middle of the handle 220, and a switching knob 228 for bending the handle 220 is provided. The handle 220 is provided with a switch or lever 225 for adjusting the output of the engine unit 240. Through such a configuration, as illustrated in FIG. 5, when the switching knob 228 is operated (rotating, pulling out, pressing or the like is possible), the handle 220 is bent at a predetermined angle or more, and thus the original length or height. It becomes a more compact form. Therefore, the storage space can be reduced when not in use, and handling is easy even when moving.

FIG. 9 is a front perspective view of the wheel unit 230 of the walkable multi-purpose mower 200 of FIG. 6, and FIG. 10 is a rear perspective view of the wheel unit 230 of FIG. 9.

As shown in these figures, the wheel unit 230 is formed in an independent module form that can be attached and detached with respect to the frame (210). In detail, the wheel unit 230 includes a support frame 236 and a first fixing plate 237 and a second fixing plate 238 formed at different heights between the support frames 236. The support frame 236 may be formed by bending the bar, and the first fixing plate 237 and the second fixing plate 238 may be fixed by welding to the support frame 236.

The lower end of the support frame 236 is formed with a bracket 231 for transmitting the load of the support frame 236 to the wheel 233.

The wide wheels 233 are fixed to the bracket 231. The wheel 233 has a wide width such that it does not easily fall out of soft ground, arable land or paddy fields, and the first edge wheels 233a and the second edge wheels 233b and the first edge wheels 233a and the first edges of both ends. An intermediate wheel 233b having a relatively small diameter is included between the two edge wheels 233b. These wheels 233 can be obtained by molding plastic. In addition, the wheel 233 may be formed of a rubber tire.

The height of the frame unit 210 of the wheel unit 230 is adjusted by the clamp unit for fixing the wheel unit 230 to the frame 210. The clamp unit is composed of a fastening plate 239 which can be tightened by the screw portion 235 and the screw portion 235. The screw part 235 and the fastening plate 239 are fastened with either the first fixing plate 237 or the second fixing plate 238. The fastening plate 239, the first fixing plate 237, and the second fixing plate 238 are formed with semi-circular grooves into which the frame 210 may be fitted. In order to adjust the height, the first fixing plate 237 or the second fixing plate 238 is aligned with the frame 210, and then the fastening plate 239 is fastened using the screw unit 235, the frame 210 is selected It is fixed to the position of the first fixing plate 237 or the second fixing plate 238.

Such a configuration of the wheel unit 230 has the advantage of facilitating the height adjustment for the frame 210 by a simple operation, and provides a structurally stable mechanism.

11 is a plan view schematically illustrating a walking type multi-purpose mower 200 equipped with a safety cover unit 260 ′ according to another embodiment of the present invention. In this example, the walkable multi-purpose mower 200 includes a safety cover unit 260 ', which is suitable for harvesting weeds or crops of a predetermined value or more in height. That is, the guide portion 266 is formed at the tip of the safety cover unit 260 'so that weeds or crops may be guided in a predetermined direction, cut by the mowing blades, and then divided in a predetermined direction. The guide part 266 may be implemented by the front shape of the safety cover unit 260 ', or additionally may be implemented by installing a separate guide on the upper part of the safety cover unit 260'. According to FIG. 11, the guide part 266 is formed in a beveled or curved form to guide the crop or weed in a predetermined direction.

FIG. 12 is a side view schematically illustrating a walking type multi-purpose mower 200 having a supporting plate 280 fixed to the frame 210 as an example related to the present invention.

As shown in FIG. 12, a support plate 280 may be provided at a rear end of the frame 210 so that the device can be easily moved without being pulled out from the rice paddies and the like. The support plate 280 prevents the wheel unit 230 from being pulled out when the handle 220 is lowered or tilted and enables steering or manipulation as desired by the operator. The support plate 280 may be formed of a resin material or a metal material, and may be fixed to the frame 210 or detachably attached to the frame 210. Projections similar to the projections 181 of the buoyancy plate 180 described above may be formed on the bottom of the support plate 280.

13 is a schematic perspective view of a walking multi-purpose mower 300 according to another embodiment related to the present invention.

In this example, the frame 310 and the wheel unit 330 are simply configured. That is, the frame 310 is formed in the form of a ladder attached with a connecting rod 311 between two parallel vertical rods, the upper end includes a horizontal extension 313 so that the handle 320 can be attached.

A fuel tank 342 for storing fuel for supplying to the engine unit 340 is installed at the stop of the frame 310.

A support rod 312 for fixing the wheel unit 330 is attached to the bottom of the frame 310. Support rod 312 is formed in a 'V' shape, the bracket 331 of the wheel unit 330 is fixed between the support rod 312.

The overall arrangement of the engine unit 340, the transmission unit 350, and the safety cover unit 360 is similar to the previous embodiment, and can be easily attached to and detached from the frame 310.

The walkable multi-purpose mower described as described above is not limited to the configuration and method of the embodiments described above. The above embodiments may be configured by selectively combining all or some of the embodiments so that various modifications can be made.

100,200,300: Walk-in multipurpose mowers 110,210,310: Frame
120,220,320: Steering wheel 130,230,330: Wheel unit
140,240,340: engine 150,250,350: transmission
160,260,360: Safety cover unit 170: Mowing blade
180: buoyancy plate

Claims (14)

A frame having a support structure formed to support the engine unit, and a wheel fixing structure connected to the support structure;
A wheel unit fixed to the wheel fixing structure and supporting the frame;
A handle having one end fixed to the frame and the other end extending rearward of the frame, the handle having a handle;
A safety cover unit having a mowing blade rotated at a predetermined height from a bottom surface therein and having a guide plate inclined upwardly; And
Removably attached to the rear end of the safety cover unit, including a buoyancy plate for providing a buoyancy to the safety cover unit,
The buoyancy plate is formed in the form of a plate, including a plurality of protrusions formed along the traveling direction of the safety cover unit, a walking type multi-purpose mower.
The method of claim 1,
The frame is a walk-type multi-purpose mower, formed with the bar bent.
The method of claim 1,
A hinge provided on the handle and configured to bend an upper end of the handle; And
Walking type multi-purpose mower further comprising a switching handle for bending operation of the handle.
The method of claim 1,
A walkable multi-purpose mower having an opening formed in front of the safety cover unit.
The method of claim 1,
The wheel unit,
A bracket disposed at the bottom of the frame; And
A walkable multipurpose mower comprising one wheel mounted to the bracket to be positioned in the middle of the bottom of the frame.
The method of claim 5,
The wheels
First edge wheels and second edge wheels formed at both ends; And
A walkable multipurpose mower comprising an intermediate wheel having a diameter smaller than the first edge wheel and the second edge wheel between the first edge wheel and the second edge wheel.
The method of claim 5,
The wheel is a multi-purpose mower, formed in the form of a plastic buoyancy body.
The method of claim 5,
The wheel unit,
A pair of support frames;
A first fixing plate and a second fixing plate formed at different heights between the pair of support frames;
A walkable multipurpose mower comprising a clamp unit for selectively fastening to the first fixed plate or the second fixed plate.
The method of claim 8,
The clamp unit,
A fastening plate formed to be opposed to the first fixed plate or the second fixed plate; And
A walkable multipurpose weeder comprising a threaded portion configured to selectively secure the fastening plate to the first fixing plate or the second fixing plate.
The method of claim 1,
The mowing blade is a walk-type multi-purpose mower, formed in the form of a bent end of the blade toward the ground.
delete The method of claim 1,
And a support plate attached to the rear end of the wheel and providing buoyancy to the wheel.
The method of claim 12,
And a plurality of protrusions formed on a bottom surface of the buoyancy plate or the support plate and parallel to a traveling direction of the safety cover unit.
The method of claim 1,
Walk type multi-purpose mower, the guide portion of the inclined or curved shape is formed at the tip of the safety cover unit to guide the crop or weed in a certain direction.

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