KR101217724B1 - Deep plowing for a plow - Google Patents

Abstract

PURPOSE: A trench plow is provided to automatically avoid rocks and tree roots when it is trapped during land cultivation towed by a tractor. CONSTITUTION: A trench plow comprises a main frame(10) which consists of a front width reinforcement frame, a back width reinforcement frame, a length reinforcement frame, and a connecting inclined frame towed by a tractor; a plowing apparatus(30) composed of several double width cracking plows and several subsoil cracking plows; a shock-absorbing device composed of a first and a second oil pressure lines, a cushion cylinder, and a hydraulic cylinder; and an air auto balancing and oil supplying valve to supply the oil from the tractor's oil pressure device to the front and the back of the oil pressure device and automatically emit the inner air to the tractor's oil pressure device at the same time.

Description

Deep plowing for a plow}

The present invention relates to a plow for plowing a plow, specifically, when a plow blade is towed by a tractor and caught on rocks, tree roots, etc. during plowing, the plow blade can be automatically avoided to prevent plow blade damage and plow plowing. It is configured to be.

Generally, tractor plows are at least three multiple plows, and are mainly used from three plows with three plows to eight plows with three plows depending on the horsepower of the tractor. It is classified as a two-way plow, which is mounted on the tractor and is towed as it is advanced by moisturizing and crested, and the soil guided by the crests are inverted to one side according to the twisting direction of the crests are stacked to create a mockup.

The tractor plow and the plow frame is towed to the tractor; It consists of a plow part mounted symmetrically on the upper and lower parts of the plow frame. This plow is configured to move the piston of the cylinder to the left and right by the hydraulic conversion, the rotary gear is engaged with the rack formed in the piston is configured to rotate. However, such a conventional tractor plow for tillage is limited to the location of the tillage to the location of the center of the wheels on both sides of the tractor, so as to overcome this, the inconvenience of having to repeatedly till the tillage and this consumes a lot of fuel. As a result, workability was deteriorated.

In order to solve this problem, the present applicant has provided Patent No. 10-0911926 (name of the invention: a rotary plow for a tractor). This provides a device that can be selectively moved left and right so that the tilling width is extended to the left and right of the rotary plow towed by the tractor, there is an economic advantage to reduce the user's convenience and fuel, and to work the tillage work for a large area in a short time It was excellent in workability.

However, such a prior art plow is not only suitable for tillage of a lot of arable land such as rocks, tree roots, etc., when plow blades are caught on rocks, tree roots, etc., a problem arises that the plow blade is broken.

The present invention has been made in order to solve such a conventional problem, the present invention is towed by the tractor when the plow blades are caught on the rock, tree roots, etc. during tillage, it is configured to avoid automatically configured to prevent damage to the plow blades The purpose is to provide a plow for deep plowing.

Another object of the present invention is that plow blades (plow moisturizing) is divided into a wide crushing and subsoil crushing for mutual supplementary tillage can be a plowing ground.

Problem solving means of the present invention comprises a front and rear horizontal reinforcement frame provided in the inner front and rear of the rectangular frame; A vertical reinforcing frame provided between the rectangular border frame and the front and rear transverse reinforcing frames; A main frame towed to the tractor, comprising a connection inclination frame provided between the rectangular frame frame front region and the upper vertical reinforcing frame; A plurality of wide crushing plows rotatably mounted in a region between the rectangular border frame and the rear transverse reinforcing frame at wide intervals for wider and deeper crushing of the ground; A plow device which is rotatably mounted as a subsoil crushing plow rotation means between the rectangular rim frame and the front transverse reinforcing frame between the wide crushing plows, and comprises a plurality of subsoil crushers for crushing the ground deeply; First and second hydraulic lines for sequentially connecting a rear hydraulic cylinder and a front hydraulic cylinder of the wide plunger rotation means; A buffer cylinder connected to the first and second hydraulic lines as a connection line and into which the hydraulic pressure of the first and second hydraulic lines flows; An impact buffer device installed in communication with both sides of the shock absorber cylinder, the shock absorber including a hydraulic accumulator for accumulating the oil pressure of the first and second hydraulic lines; And an oil supply and an air installed between the buffer cylinder and the hydraulic device of the tractor to supply oil of the hydraulic device of the tractor to the rear hydraulic cylinder and the front hydraulic cylinder, and to automatically discharge the air therein to the hydraulic device of the tractor. It characterized in that it comprises a self-regulating valve.

According to the present invention, when the tractor is towed by the tractor and the plow blade is caught in rock or tree roots during tillage, the tractor plow blade is connected to the hydraulic line of the tractor so as to automatically avoid the damage of the plow blade, and the plow blade (plow moisturizing) is widely crushed. It is divided into dragon and subsoil crushing, and they are alternately mounted on the frame and complementary tillage provides the effect of cutting the heart.

1 is a perspective view showing the plow for plowing the whole according to the present invention as a whole.
Figure 2 is a side configuration diagram showing a plow for plowing the ground according to the present invention.
Figure 3 is a plan view showing a plow for plowing in accordance with the present invention.
4 and 5 is an enlarged perspective view of the main portion of the plow for plowing according to the present invention.
6 and 7 is an operation state of the plow for plowing in accordance with the present invention.
Figure 8a, Figure 8b is an operating state diagram for the shock absorber of plow for plowing according to the present invention.

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

1 of the accompanying drawings is a perspective view showing a plow for plowing the whole according to the present invention, Figure 2 is a side configuration diagram showing a plow for plowing according to the present invention, Figure 3 is a plowing ground according to the present invention 4 and 5 are enlarged perspective views of main parts of the plow for plowing the ground according to the present invention.

As shown in Figure 1 to 5, plow for plowing the plow according to the present invention is the main frame 10, the plow 30, the shock absorber 80 and the oil supply and air automatic control valve 110 It is made to include.

The main frame 10 has a rectangular frame frame 12 is assembled and maintained in a rectangular; A front transverse reinforcement frame 14 and a rear transverse reinforcement frame 15 provided laterally at intervals inside and behind the rectangular frame 12; A plurality of longitudinal reinforcement frames 16 provided to maintain a vertical gap between the rectangular frame 12 and the front transverse reinforcement frame 14 and the rear transverse reinforcement frame 15; Vertical bars 18 provided vertically on both sides of the front region of the rectangular frame 12, horizontal bars 19 connected to the upper ends of the vertical bars 18, horizontal bars 19 and the vertical reinforcement frame 16 It consists of a connection inclination frame 21 made of an inclined connecting bar 20 is provided between the upper inclined. At this time, the front of the rectangular frame 12 and the horizontal bar 18 is provided with a tractor connector 22 is connected to the tractor (not shown) towed.

The plow device 30 is equally spaced in the area between the rectangular border frame 12 and the rear transverse reinforcing frame 15, and is rotatably mounted by the wide plow rotating means 50 to crush the land wide and deep. A plurality of wide crushing plows 40; It is rotatably mounted as a subsoil crushing plow rotation means 70 between the square frame 12 and the front transverse reinforcing frame 14 between the wide crushing plow 40, and a plurality of subsoil crushing for deeply crushing the ground. It consists of a plow 60.

The wide crushing plow 40 includes a plurality of rear mounting brackets 41 which are mounted to be inclined at equal intervals between the rear horizontal reinforcement frame 15 and the square frame 12; An upper part of the rear mounting bracket 41 is pivotally connected to the upper part by a pivot pin 42, and a protruding bracket 43 is fastened and fixed to a central area, and a rear pivot lever having an assembly groove 44a formed at the lower part thereof. 44); The upper portion is detachably fastened to the assembly groove 44a of the rear pivot lever 44, and the wide plow blade 46 is detachably fastened to the lower portion, and includes a plow bracket 45.

At this time, the wide blade 46 is formed with a fastening hole 47a detachably fastened to the bottom of the plow bracket 45, the central inclination portion 47 formed to be inclined downward toward the end region; It is formed to be inclined at both ends of the central inclined portion 47, and is formed to be inclined to the end region of the central inclined portion 47, so that the left and right inclined portions 48 and 49 having the pointed portions 48a are formed to cultivate wide land. Done.

The wide plunger rotating means 50 includes a plurality of rear hydraulic cylinders 52 rotatably fastened between upper portions of rear mounting brackets 41; The upper portion is inserted into the rear hydraulic cylinder 52 so as to be stretchable and extendable, and the lower portion is formed of a piston rod 54 rotatably connected between the protruding brackets 43 in the center region of the rear pivot lever 44.

The subsoil crushing plow 60 includes a plurality of front mounting brackets 61 inclinedly mounted between the rectangular frame 12 between the wide crushing plow 40 and the front transverse reinforcing frame 14; An upper part of the front mounting bracket 61 is pivotally connected to the upper part by a pivot pin 62, and a protruding bracket 63 is fastened and fixed to a central area, and a rear pivot lever having an assembly groove 64a formed on the lower part thereof. 64); The upper portion is detachably fastened to the assembly groove 64a of the rear pivot lever 64, and the plow bracket 65 is detachably fastened to the lower soil plow blade 66.

At this time, the sub-crushing plow blade 66 is formed with a fastening hole 67a detachably fastened to the bottom of the plow bracket 65, the central inclined portion 67 formed to be inclined upward to the end region; Narrow land consisting of left and right inclined portions 68 and 69 formed vertically at both ends of the central inclined portion 67 and inclined upward toward the end region of the central inclined portion 67 to form a pointed portion 68a. You will cultivate.

The subsoil crushing turning unit 70 includes a plurality of front hydraulic cylinders 72 rotatably fastened between upper portions of the front mounting brackets 61; An upper part is inserted into the front hydraulic cylinder 72 so as to be stretchable and extendable, and a lower part is formed of a piston rod 74 rotatably connected between the protruding brackets 63 fastened and fixed to the center region of the front pivot lever 64. .

At this time, the rear hydraulic cylinder 52 is rotatably fastened to an odd number (3, 5, 7, 9, ...) at equal intervals between the rear mounting brackets 41, and the front hydraulic cylinder 72 is front The upper part is rotatably fastened between the upper parts of the mounting bracket 61, and an even number (2, 4, 6, 8 ...) is installed between the rear hydraulic cylinders (52). And the rear hydraulic cylinder 52 and the front hydraulic cylinder 72 are comprised with a single acting cylinder.

The shock absorbing device (80) includes a first hydraulic line (82) for sequentially connecting a plurality of rear hydraulic cylinders (52); A second hydraulic line 84 which sequentially connects the plurality of front hydraulic cylinders 72; A buffer cylinder 86 connected to the first and second hydraulic lines 82 and 84 and the connection line 83 to inject the hydraulic pressure of the first and second hydraulic lines 82 and 84; It is installed in communication with both sides of the buffer cylinder (86) consists of a hydraulic accumulator (90) for accumulating the hydraulic pressure of the first and second hydraulic lines (82, 84).

The hydraulic accumulator 90 is installed in communication with both sides of the buffer cylinder 86, made of a metal container 92 capable of withstanding high pressure, the inside diaphragm 94 to be divided into up and down It is mounted across. In addition, an inlet 92a is formed in the lower portion of the container 92 so that hydraulic pressure flows in through the inlet 92a when the buffer cylinder 86 is discharged.

The upper side of the inside of the container 92 divided by the diaphragm 94 is filled with high-pressure nitrogen gas, the diaphragm 94 is positioned in a state of blocking the inlet (92a) at the beginning before the hydraulic pressure is introduced. Therefore, when the plow blade of the plow device 30 is caught in the rock during plow operation, the hydraulic pressure flows into the shock absorbing cylinder 86, and also flows into the inlet port 92a of the hydraulic accumulator 90, thereby diaphragm 94 Hydraulic pressure is accumulated while pushing up).

At this time, the hydraulic pressure accumulated by the high-pressure nitrogen gas contained in the interior of the container 92 is accumulated and buffered while maintaining the pressure.

Meanwhile, as shown in FIG. 2, an oil supply and an air automatic control valve 110 are installed between the buffer cylinder 86 and the hydraulic device 100 of the tractor, and are connected to each other as third and fourth hydraulic lines 112 and 113. It is connected to supply the oil of the hydraulic device 100 of the tractor to the rear hydraulic cylinder 52 and the front hydraulic cylinder 72 while at the same time the air in the rear hydraulic cylinder 52 and the front hydraulic cylinder 72 to the hydraulic device of the tractor It is automatically discharged to (100). At this time, the connection hose 111 is connected between the buffer cylinder 86 and the oil supply and air automatic control valve 110 (see Fig. 3).

The operation state of the plow for plowing according to the present invention configured as described above will be schematically described.

As shown in FIGS. 1 to 5, the main frame 10 in which the plow device 30 is mounted on the tractor is towed by the tractor connector 22, and the subsoil crushing plow 60 constituting the plow device 30 is moved to the ground. Deeply crushed, and at the same time wide crushing plow 40 is to perform the plow work while crushing the ground wide and deep.

However, as shown in FIGS. 6 and 7, rock and wood roots, which are not found by workers, may be embedded in the soil during plow work. Thus, rocks and trees at the ends of the subsoil crushing blade 66 and the wide plough blade 46 may be embedded. Roots are caught. At this time, if the plow blade is not lifted up by the rock and tree roots, the plow blade may be broken.

That is, when the plow blade is caught in rocks and tree roots as shown in Figs. 6 and 7, the piston rod 74 inside the front hydraulic cylinder 72 and the rear hydraulic cylinder 52 by external force by the rock and the tree root ( 54 is moved to the outside, the hydraulic pressure flows into the interior of the buffer cylinder 86 along the first and second hydraulic lines 82, 84 and the connection line 83, both sides of the buffer cylinder (86) It flows into the container 92 through the inlet port 92a of the installed hydraulic accumulator 90.

Accordingly, the diaphragm 94, which is mounted inside the container 92 and is closed in the initial state before the hydraulic pressure flows, is pushed upward by the hydraulic pressure introduced through the inlet 92a. As it goes, the hydraulic pressure accumulates while maintaining the pressure by the high pressure nitrogen gas therein to cushion the shock (see FIG. 8B).

On the other hand, when the plow blade rotated upward by the rock and tree roots as shown in Figure 8a is returned to the original position, the piston rods 74, 54 inside the front hydraulic cylinder 72 and the rear hydraulic cylinder 52 is Inwardly, the inside of the container 92 is mounted, and the diaphragm 94 pushed upward is moved downward to move in a state in which the inlet port 92a is blocked, and the buffer cylinder 86 is inside. Of the piston rods 74 and 54 as the hydraulic pressure of the piston rods flows into the rear hydraulic cylinder 52 and the front hydraulic cylinder 72 along the first and second hydraulic lines 82 and 84 and the connecting hydraulic line 83. It keeps moving inward.

Therefore, the subtractive plow blade of the subsoil crusher 60 is provided with an odd number (3,5,7 ..) in the front region of the main frame 10 to be cultivated by the tractor to move forward (66) to narrow the land deeply, and the wide crushing plunger 40 of the wide crushing plunger 40 is arranged between the subsoil crusher 60 in the rear region of the main frame (10) As wide bomber blade (46) tilled the ground widely, it becomes easy to cultivate the heart.

The plow for plowing the ground according to the present invention described above is not limited to the above-described embodiment, and those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the following claims. Anyone will have the technical idea to the extent that various changes can be made.

10: main frame 12: rectangular border frame
14,15: Front and rear horizontal reinforcement frame 16: Vertical reinforcement frame
21: connection slope frame 30: plow device
40: wide crushing plow 41: rear mounting bracket
42: rotating pin 43: protruding bracket
44: rear pivot lever 44a: assembly groove
45: plow bracket 46: wide plow blade
47: center slope 47a: fastening hole
48,49 left and right inclined parts 48a: pointed part
50: wide plunger rotation means 52: rear hydraulic cylinder
60: subsoil crusher 61: front mounting bracket
62: rotating pin 63: protruding bracket
64: rear pivot lever 64a: assembly groove
65: plow bracket 66: subsoil crushing blade
67: center slope portion 67a: fastening hole
67: Central inclination part 68,69: Left and right inclination part
70: subsoil crushing movement means 72: front hydraulic cylinder
80: shock absorber 82,84: 1st, 2nd hydraulic line
83: connection line 86: buffer cylinder
90: hydraulic accumulator 100: tractor hydraulic device
110: oil supply and air automatic control valve

Claims (5)

Front and rear horizontal reinforcing frames (14, 15) provided in the inner front and rear of the rectangular frame 12; A vertical reinforcing frame 16 provided between the front and rear horizontal reinforcing frames 14 and 15; A main frame 10 towed by a tractor consisting of a connection inclination frame 21 provided between the rectangular frame 12 and the front region and the upper vertical reinforcing frame 16;
A plurality of wide crushing plows 40 rotatably mounted in a region between the rectangular frame 12 and the rear transverse reinforcing frame 15 as wide plow rotating means 50; Plow device consisting of a plurality of subsoil crushing plows (60) rotatably mounted as a subsoil crushing plow rotation means (70) between the rectangular frame frame 12 and the front transverse reinforcement frame (14) between the wide crushing plow (40) 30;
First and second hydraulic lines (82) (84) for sequentially connecting the rear hydraulic cylinder (52) of the wide plunger turning means (50) and the front hydraulic cylinder (72) of the subsoil crushing turning means (70); A buffer cylinder 86 connected to the first and second hydraulic lines 82 and 84 and the connection line 83 to inject the hydraulic pressure of the first and second hydraulic lines 82 and 84; An impact shock absorber (80) installed in communication with both sides of the buffer cylinder (86) and configured of a hydraulic accumulator (90) for accumulating the hydraulic pressure of the first and second hydraulic lines (82, 84); And
It is installed between the buffer cylinder 86 and the hydraulic device 100 of the tractor, supply the oil of the hydraulic device 100 of the tractor to the rear hydraulic cylinder 52 and the front hydraulic cylinder 72 and at the same time Oil supply and air automatic control valve 110 for automatically discharging to the hydraulic device 100 of the tractor;
Plow for plowing a heart, characterized in that configured to include. The method of claim 1, wherein the wide crushing plow 40
A plurality of rear mounting brackets 41 inclinedly mounted at equal intervals between the rear horizontal reinforcing frame 15 and the square frame 12;
An upper part is rotatably connected between the lower parts of the rear mounting bracket 41 by the pivot pin 42, and the protruding bracket 43 is fastened and fixed to the center area, and the rear pivot lever having an assembly groove 44a formed at the lower part thereof. 44;
The plow is characterized by consisting of a plow bracket 45, the upper part is detachably fastened to the assembly groove 44a of the rear pivot lever 44, and the wide plow blade 46 is detachably fastened to the lower part. Use plow. The method of claim 2, wherein the wide blade 46
A central inclined portion 47 formed to be detachably fastened to a lower end of the plow bracket 45 and formed to be inclined downward toward an end region;
It is formed to be inclined at both ends of the central inclined portion 47, and formed to be inclined in the end region of the central inclined portion 47, and is composed of left and right inclined portions 48 and 49 having a pointed portion 48a. Plow for deep plowing, characterized in that tilling. According to claim 1, wherein the subsoil crusher 60
A plurality of front mounting brackets 61 inclinedly mounted between the square frame 12 and the front horizontal reinforcing frame 14 between the wide crushing plows 40;
An upper part is pivotally connected between the lower parts of the front mounting bracket 61 by a pivot pin 62, and a protruding bracket 63 protrudes and is fastened to a central area, and a rear pivot lever in which an assembly groove 64a is formed. 64;
The upper part is detachably fastened to the assembly groove 64a of the rear pivot lever 64, and the plow bracket 65 is characterized in that the plow bracket 65 is detachably fastened to the lower part. Plow for plowing. The subsoil plow blade 66 of claim 4, wherein
A central inclined portion 67 formed to be detachably fastened to a lower end of the plow bracket 65 and formed to be inclined upward toward an end region;
The left and right inclined portions 68 and 69 are vertically formed at both ends of the central inclined portion 67 and are inclined upwardly toward the end region of the central inclined portion 67 to form the sharp portions 68a. Deep plow for deep plowing a narrow land.

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