KR20240044867A - Non-motorized disc harrow - Google Patents

Abstract

The present invention relates to a non-powered disc harrow that can perform tillage work using the weight and working speed of the product using a high-strength disc without using power and can also be used as a seed drill.
mainframe; A pair of disk gangs consisting of a plurality of disks arranged at regular intervals so as to be in contact with the ground and perform a tillage operation, and spaced a certain amount apart in the front and rear directions; A mast group installed on the mainframe to connect the mainframe to a towing device; A deflector assembly that is deployably installed on both sides of the main frame to prevent soil from being lost during the tillage process; A suppression unit that includes a plurality of suppression rollers arranged at regular intervals and suppresses the ground and performs a leveling operation for seeding; A rear tine installed in front of the suppression unit so that the disc evens out the tilled land and performs leveling work for sowing; And a scraper assembly consisting of a plurality of scrapers that shake off the soil attached to the roller of the suppression unit and a plurality of skids that fill in the grooves of the corresponding part after plowing.

Description

NON-MOTORIZED DISC HARROW}

The present invention relates to a non-powered disk harrow, and more specifically, to a non-powered disk that can perform tillage work using the weight and work speed of the product using a high-strength disk without using power and can also be used as a seed drill. It's about Harrow.

Due to the recent signing of FTAs with agriculturally advanced countries, a decrease in farmland due to urban development in rural areas, a decrease and aging of the agricultural population, abnormal climate, and a low rate of mechanization of field work, Korea's agriculture has lost its growth engine and is unable to recover its competitiveness. It is maintained due to the national protection policy for minimum national food security.

This loss of agricultural competitiveness is pushing the agricultural machinery industry to the brink of recession, which reduces development capacity and serves as a factor that further reduces agricultural competitiveness.

Accordingly, by developing products that are in high demand in the global market and can compete with top brand companies in advanced agricultural machinery countries, as well as products that can be exported with guaranteed durability and quality reliability, we are diversifying the export market in an industry that relies on domestic demand and creating new products. There is a need to grow the industry into an industry capable of developing export markets. In other words, it is time to foster Korea's agricultural machinery industry into an industry capable of sustainable growth in the future.

In this regard, it is possible to improve productivity and save energy in agricultural fields, and to reduce farming costs, soil turning, soil removal, plastic mulching, furrowing for drainage, and planting of cultivated crops are possible during tillage work, which is the pre-planting stage to reduce farming costs. There is a demand for optimized agricultural machinery, and recently, a tractor topdresser that can easily attach, move, and store a rotary topdresser has been registered under Patent No. 10-1492612.

However, the above-mentioned pre-registered patent has the disadvantage of only being able to perform topdressing work and not being able to sequentially perform soil inversion, crushing, and topdressing at the same time. Therefore, it is possible to use it for general purposes, but it is also possible to perform soil inversion, crushing, and topdressing without power. There is a demand for a high-efficiency combined work machine that can perform the work sequentially at once and is capable of tilling and topdressing without power.

Meanwhile, in Registered Patent No. 10-1740377, there is a lower frame consisting of a front lower frame and a rear lower frame, and an upper direction of the front lower frame and the rear lower frame to be located between the front lower frame and the rear lower frame. An upper frame consisting of a front upper frame and a rear upper frame provided in the upper direction, respectively, is formed at regular intervals from one side of the upper frame to the other side, connects the upper frames, and is located inside the front end and the rear end, respectively. It consists of a connecting frame in which the front lower frame and the rear lower frame are received and fixed, between the inner surface of the front end of the connecting frame and the outer surface of the front lower frame and between the inner surface of the rear end of the connecting frame and the outer surface of the rear lower frame. A frame each provided with a shock absorbing member; A plurality of them are provided at regular intervals in the front lower part of the frame in a state of being axially coupled to the lower front side of the frame, and are formed to be convex in a direction from one side of the frame to the other side, and are downward in the direction of one side of the frame as it goes from the top to the bottom. a sloping anterior disc harrow; A plurality of devices are provided at regular intervals in the rear lower part of the frame in a state of being axially coupled to the rear lower part of the frame, and are formed to be convex in one direction from the other side of the frame, and are downwardly directed to the other side of the frame as it goes from the upper side to the lower side. a sloping posterior disc harrow; It includes a chisel plow part provided on the frame to be located between the front disk harrow part and the rear disk harrow part, and is capable of being universally used and capable of sequentially performing soil inversion, crushing, and topdressing at once without power. A chisel topdresser type disc harrow has been proposed and disclosed,

In Registered Patent No. 10-1971129, the upper part of the lifting member that elevates the topdressing unit is axially coupled to a moving body that is movable back and forth at the rear upper part of the frame, so that during the process of the lifting member raising the topdressing unit, the topdressing unit By rotating the frame in the front direction, the center of gravity of agricultural machinery, including tractors, traveling with the top dressing unit can be moved in the front direction of the agricultural machinery, thereby improving driving stability, which can greatly improve the driving stability of the agricultural machinery. A non-powered disc harrow has been proposed and disclosed.

Publication Patent No. 10-2009-0120182 includes a harrow operated by being connected to a tractor through a power transmission device; In a tillage device equipped with a harrow and a rotavator, which is interlockable and detachably connected to the harrow by a connecting device, and a rotavator through which the rotational force of the tractor is transmitted by the power transmission device, the connecting device is of the harrow. Harrow brackets fixed to both sides of the rear body; A vertical plate fixed to the rear of the harrow bracket; a vertical plate fastened to the rear of the vertical plate; A connection case consisting of upper and lower inclined blocking plates provided corresponding to the upper and lower portions of the vertical plate; and a vertical body that is movably connected up and down with a moving motion member provided inside the connection case, and is connected to rotator brackets provided on both sides of the front of the rotator. The harrow and the rotator can be connected by simple operation of the tractor. As a result, the soil can be tilled, making tillage work easier. In addition, the mounting height of the rotavator can be selectively adjusted, so the tillage depth of the rotavator can be adjusted, and it is equipped with a harrow and rotavator that can improve tillage performance. A tillage device is proposed and disclosed,

Publication Patent No. 10-2014-0131204 includes a hinge frame whose front end is hinged to the upper part of a rotary for a tractor, a topdresser frame connected to the rear end of the hinge frame, one or more unit toppers connected to the topper frame, and , a tractor-type topdresser including a lifting cylinder that raises and lowers the unit topdresser, the top of which is installed on both ends of the topper frame and fixed by fixing means; It includes a caster installed on one lower side of the pot to be supported on the ground, and the potter support is provided horizontally and is fitted to both ends of the potter frame so as to have a certain gap, and is fixed by the fixing means. A coupling table in which a rectangular coupling table fixing hole is formed so as to be rotated at a certain angle with respect to the earthenware frame, an upper support to which the coupling table is coupled, and a lower end of the upper support that is horizontally coupled to the ground or inclined to one side, and the caster is one. A topdresser for a tractor is proposed and disclosed, which includes the lower support installed above and has the topdresser supported on the ground, making it easy to attach and detach, move, and store the topdresser on the rotary.

Registered Patent Publication No. 10-1740377 Registered Patent Publication No. 10-1971129 Public Patent Publication No. 10-2009-0120182 Public Patent Publication No. 10-2014-0131204

The present invention was developed in consideration of the above-mentioned problems, and is a non-powered device that can perform tillage work using the weight and working speed of the product using a high-strength disk without using power, and can also be used as a seed drill. The purpose is to provide a disk harrow.

The disk harrow of the present invention for achieving the above object includes a mainframe; A pair of disk gangs consisting of a plurality of disks arranged at regular intervals so as to be in contact with the ground and perform a tillage operation, and spaced a certain amount apart in the front and rear directions; A mast group installed on the mainframe to connect the mainframe to a towing device; A deflector assembly that is deployably installed on both sides of the main frame to prevent soil from being lost during the tillage process; A suppression unit that includes a plurality of suppression rollers arranged at regular intervals and suppresses the ground and performs a leveling operation for seeding; A rear tine installed in front of the suppression unit so that the disc evens out the tilled land and performs leveling work for sowing; And a scraper assembly consisting of a plurality of scrapers that shake off the soil attached to the roller of the suppression unit and a plurality of skids that fill in the grooves of the corresponding part after plowing.

Here, the suppressing unit is fixed to a roller fixing arm rotatably connected to the rear of the main frame to adjust the working depth, and the roller fixing arm can be rotated in the up and down direction by the depth adjustment cylinder.

Here, the main frame includes a front frame and a rear frame arranged in the width direction to which the disk gang is connected, a pair of connection frames installed in the front and rear directions to connect the front frame and the rear frame, and both ends of the front frame and the rear frame. It includes a pair of side frames that connect each other and a reinforcement frame that diagonally connects the front frame and the rear frame, and a link connection part where the lower link of the three-point link of the tractor is connected is welded to the front frame, and the front frame and the rear frame are also connected. A connection bracket for connecting the disk gang may be welded to the lower side of the side frame, and a roller connection portion to which the roller fixing arm and the depth adjustment cylinder may be connected may be formed on the rear side of the side frame.

Here, the roller fixing arm is installed on the lower arm so that one end is rotatably connected to the end of the roller connection part of the side frame and the other end is connected to the suppressor frame, and the lower arm protrudes toward the upper side. It may include a pair of upper arms to which the rod of the depth adjustment cylinder installed at the top of the roller connection part of the frame is connected.

Here, the disk gang consists of a plurality of disks with irregularities formed on the outer peripheral surface, a double-row bearing, a hub installed at the center of the disk to allow the disk to rotate freely, and a plurality of disk arms to which the hubs of each disk are connected to support the disk. and a cap that is joined to the top of the disk arm to form a square insertion space, and is inserted into the insertion space between the disk arm and the cap to connect the plurality of disk arms as one unit and connect to the connection bracket of the main frame through a fixing bracket. It may be composed of a square connecting pipe and a pair of louver tensions installed on the outermost disk arm to support both ends of the connecting pipe.

Here, the disk is arranged at a certain angle relative to the ground, and a rubber rod that elastically supports each side of the connection pipe may be installed on the inner surface of the insertion space.

Here, the mast group is installed at an angle on the front bracket installed at regular intervals on the front frame of the main frame, and the upper sides are connected to each other. A pair of front masts to which the upper link of the three-point link of the tractor is connected, and the rear of the main frame It may include a pair of rear masts that are connected to rear brackets installed at regular intervals on the frame and whose upper ends are connected to the upper rear of the front mast, and a reinforcing member that connects the upper sides of the rear masts to each other.

Here, the deflector assembly includes a blocking plate whose tip is bent to a certain degree at an incline to prevent soil from leaving the outside of the disk gang, a deflector fixture installed on the outermost disk arm into which the deflector assembly is fitted, and a square pipe. It consists of a support part equipped with a coupling plate fitted to the deflector fixing part at one end, a fixing plate made of a square pipe and fixed to the outer end of the blocking plate, and a blocking plate fixing part inserted and coupled to the outside of the support part. , It may include a pair of connecting members connecting the blocking plate and the fixing plate of the blocking plate fixture,

Here, the deflector assembly is configured to adjust the position of the blocking plate, fold or unfold the blocking plate, and may be configured to adjust the angle of the blocking plate.

Here, the suppression unit includes a plurality of suppression rollers with irregularities formed on the outer peripheral surface, a suppression unit frame connected to the main frame with a roller fixing arm, a rotating shaft connected to the suppression rollers and a cover provided with hub axes on both ends, and the suppression roller. It may include a cover roller coupled to the rotating shaft at the outermost side, and a rotating shaft support having one end welded to the suppressor frame and a hub shaft insertion hole through which the hub shaft of the cover is inserted is formed at the other end.

Here, the scraper assembly includes a scraper that is disposed between the suppression rollers and shakes off the soil attached to the suppression rollers, a skid that is formed in a structure that surrounds the rotating shaft and fills the valleys created during the tillage process using elasticity, and the scraper and skid are fixed. A scraper frame including a plurality of scraper fixing plates and a plurality of scraper fixing plates arranged to be spaced apart from the rotating shaft, one end of which is connected to the scraper frame and the other end of which is connected to the rotating shaft support, and a hub shaft insertion hole is formed to form a scraper frame. It may include a supporting scraper support.

Here, the scraper support can be configured to adjust the relative position of the scraper frame with respect to the suppressor frame.

In the non-powered disk harrow of the present invention, the main frame is connected to a traction device through a mast group and moved, and the disk of the disk gang digs into the ground due to the weight, so that plowing work can be performed without power. In some cases, it can also be used as a seed drill. Useful effects can be achieved.

According to the present invention, a useful effect can be achieved in that the connecting pipe connecting the disk arms of the disk gang is elastically supported by a rubber rod installed in a square receiving space, allowing the device to move over obstacles such as hills.

According to the present invention, the suppression roller of the suppression unit can press the ground floating due to tillage work to create a pressure suitable for sowing, and the height of the suppression unit can be adjusted using the roller fixing arm and depth adjustment cylinder, which is a useful effect. can be achieved.

According to the present invention, the useful effect of being able to fold or unfold the deflector and adjust the angle of the deflector can be achieved.

According to the present invention, by shaking off the soil of the suppression roller through a scraper, the phenomenon of the suppression roller growing in size and not rolling due to the soil is prevented, and the grooves are filled after plowing through a skid and the seeds are exposed during sowing. It is possible to achieve useful effects that do not occur.

According to the present invention, when used as a seed drill, it is possible to achieve the useful effect of performing tillage, suppression, and seeding operations at once.

Figure 1 is a perspective view showing a non-powered disk harrow according to the present invention.
Figure 2 is a rear perspective view of a non-powered disc harrow according to the present invention.
Figure 3 is an enlarged view showing the mast group of a non-powered disk harrow according to the present invention.
Figure 4 is a perspective view showing the main frame and mast group of a non-powered disk harrow according to the present invention.
Figure 5 is a perspective view showing the end of the disk gang in the non-powered disk harrow according to the present invention.
Figure 6 is an exploded view of the deflector assembly provided in the non-powered disk harrow according to the present invention.
Figure 7 is a reference diagram showing the deflector assembly before and after deployment in the non-powered disk harrow according to the present invention.
Figure 8 is a perspective view showing the roller arm and depth adjustment cylinder of the non-powered disk harrow according to the present invention.
Figure 9 is an exploded perspective view of the scraper assembly coupled to the suppressing portion of the non-powered disk harrow according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings.

The terms used in the present invention are terms defined in consideration of the functions in the present invention, and may vary depending on the intention or custom of the user or operator, so the definitions of these terms are defined in accordance with the technical details of the present invention. It should be interpreted as a concept.

Figures 1 to 9 of the attached drawings are diagrams showing a non-powered disk harrow according to the present invention.

As shown in FIGS. 1 to 9, the non-powered disk harrow according to the present invention includes a main frame 10, a pair of disk gangs 20, a mast group 30, and deflector assemblies on both sides of the main frame 10. (40), a suppressor (50) at the rear of the main frame (10), a rear tine (60), and a scraper assembly (70).

At this time, the suppression unit 50 is fixed to the roller fixing arm 55 rotatably connected to the rear of the main frame 10 to adjust the working depth, and the roller fixing arm 55 is controlled by the depth adjustment cylinder 56. It is configured to rotate in the up and down direction.

The main frame 10 is a part where other components are installed and fixes and supports the other components.

As shown in FIG. 4, the main frame 10 includes a front frame 11 and a rear frame 12 arranged in the width direction to which the disk gang 20 is connected, and a front frame 11 installed in the front-back direction. A pair of connecting frames 13 connecting the and rear frames 12, a pair of side frames 14 connecting both ends of the front frame 11 and the rear frame 12, and the front frame 11 ) and a reinforcement frame (15) diagonally connecting the rear frame (12).

At this time, the link connection part 16 to which the lower link of the three-point links of the tractor is connected is welded to the front frame 11, and the disk gang 20 is connected to the lower side of the front frame 11 and the rear frame 12. Connection brackets 17 for each are welded.

In addition, it is preferable that a roller connection portion 14' to which the roller fixing arm 55 for connection of the suppression unit 50 and the depth adjustment cylinder 56 are connected is formed on the rear side of the side frame 14.

The disk gang 20 is made up of a plurality of disks 21 arranged at regular intervals so that tillage work can be performed by contacting the ground. A pair of disk gangs 20 are arranged to be spaced a certain distance in the front and rear directions. .

Specifically, as shown in FIGS. 1, 2, and 5, the disk gang 20 is composed of a plurality of disks 21 with irregularities formed on the outer peripheral surface and a double-row bearing, and is installed at the center of the disk 21. A hub 22 that allows the disk 21 to rotate freely, a plurality of disk arms 23 to which the hub 22 of each disk 21 is connected to support the disk 21, and a square insertion space 25 ), a cap 24 joined to the upper part of the disk arm 23, and a plurality of disk arms 23 integrated into the insertion space 25 between the disk arm 23 and the cap 24. It is connected to the square connection pipe (26) connected to the connection bracket (17) of the main frame (10) through the fixing bracket (27) and is installed on the outermost disk arm (23) to support both ends of the connection pipe (26). It includes a pair of louver tensions (28).

At this time, it is preferable that the disk 21 is arranged so that it faces the side by approximately 17 degrees relative to the ground.

In addition, a rubber rod 29 is installed on the inner surface of the insertion space 25 to elastically support each side of the connection pipe 26, so that the connection pipe 26, the cap 24, and the disk arm of the disk gang 20 are connected. (23) It is desirable to be able to withstand this load.

Accordingly, the disk 21 can safely overcome obstacles such as irregularities.

The mast group 30 is installed on the main frame 10 so that the main frame 10 can be connected to a traction device such as a tractor.

Specifically, as shown in FIGS. 3 and 4, the mast group 30 is installed at an angle on the front bracket 32 installed at regular intervals on the front frame 11 of the main frame 10, so that the upper sides face each other. It is connected to a pair of front masts (31) to which the upper link of the tractor's three-point link is connected, and to the rear bracket (34) installed at regular intervals on the rear frame (12) of the main frame (10), and the upper part is connected to the front. It includes a pair of rear masts 33 connected to the upper rear of the mast 31 and a reinforcing member 35 connecting the upper sides of the rear mast 33 to each other.

Therefore, by connecting to a traction device such as a tractor using a mast group, it is possible to perform tillage work without using power.

The deflector assembly 40 is deployably installed on both sides of the main frame 10 to prevent soil from being lost during the tilling process.

Specifically, as shown in FIGS. 6 and 7, the deflector assembly 40 includes a blocking plate 41 whose front end is bent inward to a certain degree to prevent soil from leaving the outside of the disk gang 20, and , a deflector fixing part 48 installed on the outermost disk arm 23 and fitted with the deflector assembly 40, and a coupling plate 43 made of a square pipe and fitted with the deflector fixing part 48 at one end. ), a support portion 42 provided with a rectangular pipe, and a fixing plate 44 on which the blocking plate 41 is fixed to the outer end are integrally combined, and a blocking plate fixing portion is inserted and coupled to the outside of the support portion 42 ( 45) and a pair of connecting members 46 that connect the blocking plate 41 and the fixing plate 44 of the blocking plate fixing part 45.

At this time, the deflector assembly 40 has a plurality of vertical through holes 42' formed at regular intervals in the support portion 42 to adjust the position of the blocking plate 41 and to fold or unfold the blocking plate 41. In addition, a vertical through hole 45' is formed in the blocking plate fixing part 45.

Therefore, when not working, the blocking plate 41 can be folded as shown in (a) of FIG. 7, and the blocking plate 41 can be deployed as shown in (b) of FIG. 7 only when work is performed.

In addition, it is preferable that a plurality of through holes 46' are formed in the front connecting member of the pair of connecting members 46 so that the angle of the blocking plate 41 can be adjusted.

The suppression unit 50 moves a plurality of suppression rollers 51 arranged at regular intervals to suppress the ground and perform a leveling operation for seeding.

Specifically, as shown in FIG. 9, the suppression unit 50 includes a plurality of suppression rollers 51 with irregularities formed on the outer peripheral surface, and a suppression unit frame 52 connected to the main frame 10 with a roller fixing arm 55. ), a rotating shaft 53 connected to the suppressing roller 51 and a cover 54 equipped with hub axes 54' at both ends, and a cover roller coupled to the rotating shaft at the outermost side of the suppressing roller 51. (57) and a rotation axis support 58, one end of which is welded to the suppressor frame 52 and the other end of which is formed with a hub axis insertion hole 58' into which the hub axis 54' of the cover 54 is inserted. It is done including.

And, as shown in FIG. 8, the roller fixing arm 55 connecting the suppressing unit 50 to the main frame 10 has one end rotatable at the end of the roller connection part 14' of the side frame 14. A pair of lower arms (55a) are connected and the other end is connected to the suppressor frame (51), and the roller connection part (14') of the side frame (14) is installed on the lower arm (55a) so as to protrude toward the upper side. ) It includes a pair of upper arms (55b) to which the rod of the depth adjustment cylinder (56) installed at the top is connected.

The rear tine 60 equalizes the land cultivated by the disk 21 and performs a leveling operation for sowing. As shown in FIG. 9, the upper end is connected to the frame and the lower end is made of a pair of freely moving wires. It is installed in front of the suppression unit (50).

The scraper assembly 70 is composed of a plurality of scrapers 71 that shake off the soil attached to the roller of the suppression unit 50 and a plurality of skids 72 that fill in the valleys of the corresponding area after plowing.

As shown in FIG. 9, this scraper assembly 70 has a structure that surrounds the scraper 71, which is disposed between the suppression rollers 51 and shakes off the dirt attached to the suppression roller 51, and the rotating shaft 53. It is arranged to be spaced apart from a skid 72 that is formed and uses elasticity to fill in the valleys generated during the tillage process, a plurality of scraper fixing plates 73 to which the scraper 71 and the skid 72 are fixed, and the rotation axis 53. A scraper frame 75 on which a plurality of scraper fixing plates 73 are installed, one end connected to the scraper frame 75 and the other end connected to the rotation shaft support 58, and a hub shaft insertion hole 74' is formed. It includes a scraper support 74 that supports the scraper frame 75.

At this time, the scraper assembly 70 is preferably configured to adjust the relative position of the scraper frame 75 with respect to the suppressor frame 52.

For this purpose, a plurality of through holes 76' are formed at regular intervals in the connection bracket 76 provided on the scraper frame 75, and a plurality of through holes 74a are formed at regular intervals at the other end of the scraper support 74. This is formed.

And connection holes (58") (74") are formed at regular intervals along the circumferential direction around the hub axis insertion hole (58') of the rotation axis support (58) and the hub axis insertion hole (74') of the scraper support (74). It is preferable that the adjusted angle can be fixed by being formed through each.

Accordingly, performing tillage work using the non-powered disk harrow according to the present invention having the above-described configuration will be described as follows.

The main frame (10) is connected to a traction device such as a tractor using the mast group (30), and the work is performed while moving at a work speed of about 8 to 20 km.

At this time, since the weight of the device is approximately 1700 kg, the disk 21 of the disk gang 20 rotates while digging into the ground, and the roots of the crop are cut and tilled due to the angle of the disk 20. At this time, the deflector assembly 40 blocks soil from being discharged to the outside during the tilling process.

When a double tilling operation is performed by the disk gang 20, the rear tines 60 even out and flatten the tilled plow.

Then, the suppression roller 51 of the suppression unit 50 rotates to suppress the lifted soil and perform a leveling operation for seeding.

In this process, the scraper 71 of the scraper assembly 70 scrapes and shakes off the dirt of the suppression roller 51, preventing foreign substances such as straw from growing in size during the process of rolling along with the dirt when working in a humid place. ,

In addition, the skid 72 of the scraper assembly 70 fills the valley in the corresponding area after tillage or covers the soil so that the seed is not exposed during sowing.

The embodiments described above merely describe preferred embodiments of the present invention and are not extremely limited to these embodiments, and various modifications and variations may be made by those skilled in the art within the technical spirit and scope of the claims of the present invention. It will be said that this can be achieved, and it will be said that it falls within the technical scope of the present invention.

10: main frame 11: front frame
12: rear frame 13: connection frame
14: Side frame 14': Roller connection
15: Reinforcement frame 16: Link connection part
17: Connection bracket 20: Disk gang
21: Disk 22: Hub
23: Disk arm 24: Cover
25: Accommodation space 26: Connection pipe
27: fixing bracket 28: louver tension
29: Rubber rod 30: Mast group
31: front mast 32: front bracket
33: rear mast 34: rear bracket
35: Reinforcing member 40: Deflector assembly
41: blocking plate 42: support part
43: coupling plate 44: fixing plate
45: blocking plate fixing part 46: connecting member
50: Suppression unit 51: Suppression roller
52: suppression frame 53: rotation axis
54: Cover 54': Hub axis
55: Roller fixing arm 56: Height adjustment cylinder
57: cover roller 58: rotation axis support
60: rear tin 70: scraper assembly
71: scraper 72: skid
73: scraper fixing plate 74: scraper support
75: scraper frame 76: connection bracket

Claims (11)

mainframe;
A pair of disk gangs consisting of a plurality of disks arranged at regular intervals so as to be in contact with the ground and perform a tillage operation, and spaced a certain amount apart in the front and rear directions;
A mast group installed on the mainframe to connect the mainframe to a towing device;
A deflector assembly that is deployably installed on both sides of the main frame to prevent soil from being lost during the tillage process;
A suppression unit that includes a plurality of suppression rollers arranged at regular intervals and suppresses the ground and performs a leveling operation for seeding;
A rear tine installed in front of the suppression unit so that the disc evens out the tilled land and performs leveling work for sowing; and
A non-powered disc harrow comprising a scraper assembly consisting of a plurality of scrapers that shake off the dirt attached to the roller of the suppression unit and a plurality of skids that fill in the grooves of the corresponding area after tilling. In claim 1,
A non-powered disc harrow characterized in that the suppression unit is fixed to a roller fixing arm rotatably connected to the rear of the main frame to adjust the working depth, and the roller fixing arm can be rotated in the up and down directions by a depth adjustment cylinder. In claim 1,
The main frame consists of a front frame and a rear frame arranged in the width direction and connected to the disk gang, a pair of connecting frames installed in the front and rear directions to connect the front frame and the rear frame, and a pair of connecting frames connecting both ends of the front frame and the rear frame. It includes a pair of side frames and a reinforcement frame diagonally connecting the front frame and the rear frame,
The link connection part where the lower link of the tractor's three-point link is connected is welded to the front frame, and a connecting bracket for connecting the disk gang is welded to the lower part of the front frame and rear frame, respectively, and a roller is fixed to the rear side of the side frame. A non-powered disc harrow characterized by a roller connection where the arm and depth adjustment cylinder are connected. In claim 3,
The roller fixing arm has a pair of lower arms, one end of which is rotatably connected to the end of the roller connection of the side frame, and the other end of which is connected to the suppressor frame, and is installed on the lower arm to protrude toward the upper side, and has a side frame at the upper end. A non-powered disc harrow comprising a pair of upper arms to which the rod of the depth adjustment cylinder installed at the top of the roller connection is connected. In claim 1,
The disk gang consists of a plurality of disks with irregularities formed on the outer peripheral surface, a double-row bearing, a hub installed at the center of the disk to allow the disk to freely rotate, and a plurality of disk arms to which the hubs of each disk are connected to support the disk, A cap that is joined to the top of the disk arm to form a square insertion space, and a square cap that is inserted into the insertion space between the disk arm and the cap to connect multiple disk arms as one unit and is connected to the connection bracket of the main frame through a fixing bracket. A non-powered disc harrow comprising a pair of louver tensions installed on the connection pipe and the outermost disk arm to support both ends of the connection pipe. In claim 1,
The mast group is installed at an angle on the front bracket installed at regular intervals on the front frame of the main frame, and the upper parts are connected to each other. A pair of front masts to which the upper link of the three-point link of the tractor is connected, and the rear frame of the main frame A non-powered disc harrow comprising a pair of rear masts connected to rear brackets installed at regular intervals and the upper end connected to the upper rear of the front mast, and a reinforcing member connecting the upper sides of the rear mast to each other. In claim 1,
The deflector assembly consists of a blocking plate whose tip is bent at a certain incline to prevent soil from leaving the outside of the disk gang, a deflector fixture installed on the outermost disk arm into which the deflector assembly is inserted, and a square pipe. A support part with a coupling plate fitted to the deflector fixing part at one end, a fixing plate made of a square pipe and fixed to the outer end of the blocking plate, and a blocking plate fixing part inserted and coupled to the outside of the support part, and a blocking plate. A non-powered disc harrow comprising a pair of connecting members connecting the plate and the fixing plate of the blocking plate fixture. In claim 7,
A non-powered disc harrow characterized in that the deflector assembly is configured to adjust the position of the blocking plate, fold or unfold the blocking plate, and adjust the angle of the blocking plate. In claim 1,
The suppression unit includes a plurality of suppression rollers with irregularities formed on the outer peripheral surface, a suppression unit frame connected to the main frame with a roller fixing arm, a rotating shaft connected to the suppression rollers and a cover equipped with hub axes on both ends, and the outermost side of the suppression roller. A non-powered disk harrow comprising a cover roller coupled to a rotating shaft, and a rotating shaft support having one end welded to the suppression frame and a hub shaft insertion hole formed at the other end into which the hub shaft of the cover is inserted. In claim 9,
The scraper assembly includes a scraper that is placed between the suppression rollers to shake off the dirt stuck to the suppression rollers, a skid that is formed in a structure that surrounds the rotating shaft and uses elasticity to fill in the grooves created during the tillage process, and a plurality of parts to which the scraper and the skid are fixed. A scraper fixing plate, a scraper frame arranged to be spaced apart from the rotating shaft and equipped with a plurality of scraper fixing plates, one end connected to the scraper frame and the other end connected to the rotating shaft support, and a hub shaft insertion hole is formed to support the scraper frame. A non-powered disc harrow comprising a scraper support. In claim 10,
A non-powered disc harrow characterized in that the scraper support is configured to adjust the relative position of the scraper frame with respect to the suppressor frame.

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