KR200309886Y1 - Harrow for tractor - Google Patents

Abstract

The present invention relates to a tractor harrow, and in particular, a method of folding the auxiliary harrow plate prevents a malfunction by folding the auxiliary harrow plate in a link type using one hydraulic cylinder, and tilts it toward the tractor when the auxiliary harrow plate is folded. Formed to be folded forklift to prevent the safety accident during the movement of the tractor and relates to a tractor harrow that can smoothly adjust the fine angle of the harrow.

Description

Tractor harrow {HARROW FOR TRACTOR}

The present invention relates to a tractor harrow, and in particular, a method of folding the auxiliary harrow plate prevents a malfunction by folding the auxiliary harrow plate in a link type using one hydraulic cylinder, and tilts it toward the tractor when the auxiliary harrow plate is folded. Formed to be folded forklift to prevent the safety accident during the movement of the tractor and relates to a tractor harrow that can smoothly adjust the fine angle of the harrow.

In general, the tractor harrow is a mechanism for flattening the clay that is attached to the tractor and the soil of the tractor and the soil that is attached to the rear of the tractor.

The tractor harrow as described above is composed of a single harrow plate designed to have a constant width, so it is not possible to work a small width during flattening of the ground such as Munon, so it is necessary to work several times. This has been a problem that the efficiency of the operation is reduced.

Therefore, in recent years, a foldable harrow plate has been developed to install a pair of outer harrow plates pivotally folded at both ends of the center harrow plate so that a large area of rice can be flattened at one time. Sliding method and fan type are mainly used. However, the above-mentioned sliding method of electronic sliding type is frequently not drawn out or inserted even if the blade of the shroud is slightly deformed by the impact. The hydraulic cylinder used in the mold type was installed near the thoradic plate, so there was a problem of malfunction due to foreign matter such as soil, and the hydraulic cylinder was installed on each of the thoradic plates, resulting in a complicated structure.

In addition, even when the auxiliary slab is folded, it is folded at right angles, and when the tractor moves, there is a risk of safety accidents due to contact with surrounding constructions.

The present invention has been devised in view of the above-mentioned problems of the prior art, and the method of folding the secondary furnace plate of the drawer by using a hydraulic cylinder to fold the auxiliary furnace plate in a link-type prevents malfunction and assists. When the harrow plate is folded, it is formed to be folded inclined in the direction of the tractor to prevent a safety accident during the movement of the tractor and to provide a tractor harrow that can smoothly adjust the fine angle of the harrow.

In order to achieve the above object, the present invention forms a fixed frame at both sides to be fixed with a "U" -shaped bolt at the bottom so as to be connected to the dynamic transmission shaft of the earthenware connected to the tractor, and is connected to the fixed frame and upwards. A frame portion formed with a connection frame having a predetermined angle, but having a fixed bracket on the lower side of the upper frame connecting the top of the connection frame to the upper end of the connection frame and a cylinder bracket on the upper side, and an upper frame of the frame portion. An angle adjusting rod is formed on the fixing bracket formed at the bottom thereof, but a plurality of adjusting holes are formed at the lower end of the angle adjusting rod, and the upper end is bolted to be fixed to one side of the upper connecting rod of the clay. An angle adjusting unit for adjusting, and the overall angle is adjusted by the angle adjusting unit The upper end of the body of the cylinder is fixed to the cylinder bracket of the pregnant woman, and one end of the fixing member is fixed to the center of the cylinder rod so as to interlock with the rod of the cylinder in the forward and backward direction, and the fixing member extends in the direction of the cylinder body. The hinge portion is coupled to the end of the pair of guide rods in the fixing portion formed in the fixing member formed in the fixing member and the large-size fixing hole, and the guide rod is guided to form a guide ring in the center of the guide rod for reciprocating motion The guide portion is fixed to the upper side of the cylinder body to be fixed to the upper side of the cylinder body so as to be fixed to the both sides of the guide ring, and fixed to the connector formed a connecting groove formed on the outer end of the guide rods on both sides of the guide portion The connecting groove is formed at the lower side of the upper end so that the lower end Fixing the connecting piece of the pipe-shaped outer link forming the locking ring and the inner link of the outer link is formed so that the inner link is accommodated, but the stop pin is formed on the upper end of the inner link and the lower side formed a plurality of elastic holes And an inner upper side of the auxiliary slab plate formed on both sides to fix the lower end of the inner link of the link part to form a link fixing tool and a protruding bracket protruding upward to fix the link fixing tool. The rotating shaft is formed on the outside of the side shaft plate, and the auxiliary shaft plate is formed on the rotating shaft portion formed on both sides of the central shaft plate and the connecting bracket in the front and rear in the center, and the central shaft plate of the rotating shaft portion The hinge frame is positioned below the center of the circular transverse connecting frame to be hinged to the formed connecting bracket. The rod frame is formed to be hinged and fixed to the upper side of the transverse connecting frame so that the cylinder rod of the operating unit is coupled to each other. Provided is a tractor harrow consisting of a connecting frame portion forming a connecting frame fixed to a "U" type bolt on both sides of the transverse connecting frame.

In addition, the angle adjusting rod of the angle adjusting portion forms an upper fixing rod for fixing the upper connection rod and the bolt of the topsoiler on the upper side, and forms an adjusting rod having an adjustment hole formed to be fixed to the fixing bracket formed on the upper frame of the frame portion. A rotating rod is formed between the rod and the adjusting rod, but the rotating rod is formed with spirals in opposite directions, and a handle part is formed at the center to provide a tractor for adjusting the length by adjusting a length like a turnbuckle. In order to adjust the overall angle of the center and secondary rails, the secondary secondary bar provides a tractor harrow characterized in that a plurality of connecting holes are formed at the end of the cylinder rod is fixed to the rod frame.

Meanwhile, the link part fixes the elastic ring by a pin in a plurality of elastic holes of the engaging ring and the inner link formed at the lower end of the outer link, and plays a buffer role when the link part is raised and lowered through a buffer spring between the engaging ring and the elastic ring. The rotating shaft portion is formed integrally with the rotary ring and the rotating shaft formed in the center of the plate is inclined at an angle to the outside so that the auxiliary frame is formed to be folded while inclined to the tractor side and the connecting frame portion The connecting bracket of the plate and the hinge frame of the transverse connecting frame are hinged so that spring pins are formed on both sides of the connecting bracket of the center plate to provide a buffering function during the seesaw movement of the center plate, and the spring pin is inserted into the spring. It provides a tractor harrow characterized in that it is formed to be.

The side tension plate is formed to fold the side harrow plate by forming a folding bracket on the inner upper side to be hinged between a pair of pair of brackets formed on the upper side of the outer side of the auxiliary harrow plate and the operating portion to the outside of the guide ring Forming a display pin and forming a scale piece on one side of the guide rod to measure the movement length of the guide rod, and forming a bracket on the rear end portion of the secondary shaft plate of the rotating shaft portion to prevent the push piece to be fixed to the bracket Formed and formed on the one side of the anti-roll piece to form a jungle bar to form a distance adjustment bolt formed to support the back of the center shroud plate when the auxiliary harrow plate is unfolded.

In addition, the link fixing groove of the connector for inserting and fixing the outer link of the link portion and the link fixing groove of the link fixing tool into which the inner link is fixed are formed in a quadrangular shape and rotate inside when the connecting piece of the outer link and the end of the inner link are inserted and fixed. It provides a tractor harrow, characterized in that formed to prevent the.

1 is an overall perspective view showing a tractor harrow according to the present invention,

Figure 2 is a partial perspective view showing the angle adjusting portion of the tractor harrow according to the present invention,

Figure 3 is a partial perspective view showing the operating part of the tractor harrow according to the present invention,

Figure 4 is a partially exploded perspective view showing a link portion of the tractor for the tractor according to the present invention,

5 is a partially exploded perspective view showing a rotating shaft portion of the tractor for the tractor according to the present invention,

Figure 6 is a partial perspective view of the buffer portion of the tractor harrow according to the present invention,

Figure 7 is a partial perspective view of the anti-roll piece of the tractor harrow according to the present invention,

8 is a perspective view showing a folded state of the auxiliary harrow of the tractor harrow according to the present invention,

Figure 9 is a perspective view of a state applied to the tractor harrow according to the present invention.

<Description of Symbols for Main Parts of Drawings>

10: frame 20: angle adjuster

30: operating part 40: guide part

50 link portion 60: rotating shaft portion

70: connecting frame portion 80: bracket

Hereinafter, described in detail with reference to the accompanying drawings, preferred embodiments according to the present invention.

1 is a perspective view showing the tractor harrow according to the present invention.

As shown here, the factor for the factor of the present invention is to form a frame portion 10 to be fixed to the lower end to be connected to the dynamic transmission shaft (2) of the plowing machine (1) connected to the tractor, but the frame (10) In order to fix the U-shaped bolts (11) to form a fixed frame 12 on both sides and is connected to the fixed frame 12 to form a connecting frame 13, which is inclined at an angle to the upper side of the connecting frame (13) The upper frame 14 is formed at the top of the connecting frame 13 to connect the upper end of the upper frame 14, but the lower side of the upper frame 14 to form a fixing bracket (15) and the upper side to form a cylinder bracket (16) do.

The angle adjusting portion 20 is fixed to the fixing bracket 15 formed on the upper frame 14 of the frame portion 10 formed as described above, but the angle adjusting portion 20 is shown in FIG. 15 to form an angle adjusting rod 21 so that the lower end of the angle adjusting unit 20 is fixed to the lower end of the angle adjusting rod 21 to form a plurality of control holes 22 and the top of the topdresser (1) Bolted to be fixed to one side of the upper connecting table (3) of the) is formed to adjust the overall angle of the frame portion (10).

In addition, the angle adjusting rod 21 of the angle adjusting unit 20 forms an upper fixing rod 23 to fix the upper connecting rod 3 and the bolts of the earthenware 1 to the upper side and the frame portion 10 to the lower side. The control rod (22) is formed to be fixed to the fixing bracket (15) formed on the upper frame (14) of the control rod (24) is formed between the fixed rod (23) and the adjustment rod (24) rotating rod (25). ), But the rotating rod 25 has a spiral in the opposite direction is formed, the handle portion 26 is formed in the center to rotate the handle portion 26, the fixing rod 23 and the adjusting rod 24, like a turnbuckle Helix to form) to insert and withdraw.

In addition, the cylinder bracket 16 of the frame part 10 whose overall angle is adjusted by the angle adjusting part 20 is formed with an operating part 30 as shown in FIGS. ) Is fixed to the upper end of the body 31 of the cylinder and the end of the fixing member 33 is fixed to the center of the cylinder rod 32 is formed to interlock with the rod 32 of the cylinder forward and backward and the fixing member 33 is It extends in the direction of the cylinder body 31, but forms a large fixing hole 34 in the center of the fixing member (33).

The upper end of the pair of guide rods 41 formed in the center of the guide portion 40 is connected to the guide portion 40 to the fixing hole 34 formed in the fixing member 33 of the operating portion 30. The cylinder body is hinged and the guide rod 41 is guided to form a guide ring 42 at the center of the guide rod 41 so that the guide rod 41 can be reciprocated. The guide ring fixing base 43 is fixed laterally on the upper side of the 31.

In addition, the link portion 50 is formed so as to be connected to the guide rods 41 of both sides of the guide portion 40 to be interlocked, but the link portion 50 is fixed to the upper side of the outer end of the guide rod 41 (51). And a pin connection by inserting a connection piece 54 formed under the pipe-shaped outer link 53 of the link portion 50 to the connecting groove 51 so as to be fixed to the connector 52 formed with the outer link 53. The lower end is formed with a locking ring 55 and the inner diameter of the outer link 53 is formed so that the inner link 56 is accommodated, but the stop pin 57 is formed at the upper end of the inner link 56. A plurality of elastic holes 58 are formed to insert the stop pins 57.

The link portion 50 formed as described above forms a rotary shaft portion 60 such that the lower end portion of the inner link 56 of the link portion 50 is inserted and pinned as shown in FIG. 5, but the rotary shaft portion 60 is An inner upper side of the auxiliary slab plate 61 formed at both sides is formed with a protruding bracket 63 protruding upwardly to fix the link fixture 62, but the lower end of the protruding bracket 63 has a rotating ring 64. It is formed integrally and forms the side harrow plate 65 on the outside of the auxiliary shroud plate 61 and is inserted into the rotary ring 64 of the auxiliary harrow plate 61 so as to be built up on both sides of the central harrow plate 66. The rotating shaft 67 is formed, and the connecting bracket 68 is formed at the center of the center shroud plate 66 in front and rear.

Meanwhile, the connecting frame part 70 is hinged to the connecting bracket 68 formed on the center shaft plate 66 of the rotating shaft part 60, but the connecting frame part 70 is a circular horizontal connecting frame 71. The hinge frame 72 is formed at the center lower side of the rod bracket so as to be hinged to the connecting bracket 68 and the cylinder rod 32 of the operating unit 30 is coupled to the upper side of the horizontal connecting frame 71. 73 is formed to protrude and the connecting frame 74 is formed on both sides of the horizontal connecting frame 71 so that the upper end of the connecting frame 74 is connected to the end of the fixed frame 15 of the frame portion 10 The bottom is formed to be fixed to the "U" type bolts on both sides of the lateral connection frame (71).

As shown in FIG. 6, the connecting frame part 70 is hinged and fixed to the connecting bracket 68 of the center shroud 66 and the hinge frame 72 of the transverse connecting frame 71. When the spring 66 is impacted by the irregularities of the ground, the spring pins 69 are formed on both sides of the connecting bracket 68 of the center shroud 66 so as to act as a buffer for the seesaw movement. ) Is formed to be inserted into the spring (S).

A plurality of connecting holes 35 are provided at the ends of the cylinder rod 32 of the operating part 30 to adjust the overall angle of the center shroud plate 66, the auxiliary shroud plate 61, and the side shroud plate 65. This is formed by selecting an arbitrary position of the plurality of connection holes (35) is formed to pin the rod frame 73 and is formed to adjust the entire angle of the harrow.

In addition, the link unit 50 secures the elastic ring 59 by a pin to a plurality of elastic holes 58 formed in the locking ring 55 and the inner link 56 formed on the lower side of the outer link 53 and the locking A buffer spring S is formed between the ring 55 and the elastic ring 59 to play a buffer role when the link unit 50 moves up and down, and the rotation shaft unit 60 is formed on the auxiliary harrow plate 61. Rotating ring 64 formed integrally with the rotary shaft 67 formed on the center shroud 66 is inclined outward at a predetermined angle to form the auxiliary shroud 61 to be folded while inclined toward the tractor.

As shown in FIG. 7, a side bracket plate 65 of the harrow is a folding bracket 651 disposed on an inner upper side thereof so as to be hinged between a pair of harrow brackets 611 formed above the outer end of the auxiliary slab plate 61. Form the side harrow plate 65 so that it can be folded and the operation unit 30 forms the display pin 44 to the outside of the guide ring 42 to indicate the distance to be moved during operation and guide One side of the rod 41 forms a graduation piece 45.

Meanwhile, as illustrated in FIG. 7, a bracket 80 is formed on the rear end surface of the auxiliary shaft plate 61 of the rotary shaft part 60, and a push prevention piece 81 is formed to be fastened and fixed to the bracket 80. One side of the anti-roll piece 81 forms the anti-roll bar 83 that forms the distance adjusting bolt 82 to support the rear surface of the central tray plate 66 when the auxiliary harrow plate 61 is unfolded. Form.

The link fixing groove 84 of the link fixing tool 62 in which the connecting groove 51 of the connector 52 and the inner link 56 into which the outer link 53 of the link unit 50 is inserted and fixed is square. Is formed in the shape is formed so as to prevent rotation from the inside when the end of the connecting piece 54 and the inner link 56 of the outer link 53 is inserted.

Referring to the operation and effects of the present invention configured as described above are as follows.

First, the tractor 1 is fixed to the tractor, and then the frame 10 is fixed to the power transmission shaft 2 of the tractor 1 by the "U" -shaped bolt 11.

The upper end of the connecting frame 74 of the connecting frame part 70 is fixed to the front of the fixing frame 12 of the fixed frame part 10 as described above.

In this fixed state by adjusting the pins of the fixing bracket 15 and the plurality of adjustment holes 22 formed in which the angle adjusting unit 20 is fixed, the overall angle of the frame unit 10 is adjusted and the frame unit 10 After adjusting the angle of the according to the position of the adjustment hole 22, the fine angle adjustment is adjusted while rotating the rotating rod 25 through the handle portion (26).

In this state, the hydraulic pressure generated by the tractor is transferred to the operating unit 30 to draw out and insert the cylinder rod 32.

When the cylinder rod 32 is drawn out and inserted as described above, the fixing member 33 fixed to the center of the cylinder rod 32 is interlocked and the pin is fixed to the fixing hole 34 of the fixing member 33. The angle of the pair of guide rods 41 of the portion 40 is narrowed or widened.

As such, when the angle of the guide rod 41 is narrowed or widened, the guide rod 41 moves to the center of the guide ring 42.

The cylinder rod 32 of the operating unit 30 is drawn out by the movement of the guide rod 41 so that the outer link 53 of the link unit 50 connected to the end of the guide rod 41 is interlocked. When the angle of the guide rod 41 is narrowed upward, the outer link 53 is pulled out and narrowed. When the outer link 53 is pulled, the inner link 56 in the inner diameter of the outer link 53 is spring ( It is pulled while being buffered by S).

In this way, the inner link 56 is pulled and the link fixture 62 of the rotating shaft portion to which the end of the inner link 56 is fixed is interlocked so that the auxiliary harrow plate 61 is rotated about the rotating shaft 67 and folded upward. do.

At this time, the angle of the rotation shaft 67 is inclined to the outside, while the auxiliary harrow plate 61 is folded while pulling the auxiliary harrow plate 61 toward the tractor.

To unfold the auxiliary slab 61 again, inserting the cylinder rod 32 of the operation part 30 causes the auxiliary slab 61 to be unfolded in the opposite manner to the above-described method.

In this way, the subsidiary lathes 61 formed on both sides of the driver can be folded at both sides and only one side can be folded, so that the work can be freely made depending on the size of the field or rice field.

In addition, the side shroud plate 65 formed on both sides of the auxiliary shroud plate 61 can be more precisely adjusted according to the size of the field or paddy field and the spring pin 69 and the spring (S) formed on the center shroud plate 66. In case of obstacles such as irregular ground or stone, it is possible to do the seesaw movement of the harrow so that the impact on the harrow can be prevented in advance.

On the other hand, the anti-roll piece 81 fixed to the auxiliary slab 61 has the effect of dispersing the impact applied to the auxiliary slab 61 to the central slab 66 during operation, thereby preventing damage to the rotating shaft 60. It is possible to prevent the center and the lower plate (66), secondary plate (61) and side plate plate (65) is connected to the cylinder rod 32, the connecting frame 74 is pinned to the cylinder rod 32 By adjusting and coupling to the formed connection hole 35, the angle of the harrow plate can be adjusted and the operation unit 30 moves the display pin 44 to the outside of the guide ring 42 so as to display the distance moved during operation. It is easy to grasp the operating distance from the driver's seat by forming a graduation piece 45 on one side of the guide rod 41.

As described above, the present invention prevents a malfunction by folding the auxiliary slab plate by using a single hydraulic cylinder in a way of folding the auxiliary harrow plate and tilts it toward the tractor when the auxiliary harrow plate is folded. It is formed to be folded to prevent the safety accident during the movement of the tractor and to smooth the adjustment of the fine angle of the harrow has the effect of improving the reliability of the product and enhance the durability of the product.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and the general knowledge in the art to which the present invention belongs without departing from the spirit of the present invention. Various changes and modifications can be made by those who have

Claims (1)

The fixed frame is formed at both sides to be fixed to the bottom of the U-shaped bolt to be connected to the tractor's dynamic transmission shaft connected to the tractor. On the top of the frame and the frame portion formed a fixed bracket on the lower side of the upper frame connecting the upper end of the connecting frame and a cylinder bracket on the upper side; An angle adjusting rod is formed on the fixing bracket formed on the upper frame of the frame part, and a plurality of adjusting holes are formed on the lower end of the angle adjusting rod, and the upper end is bolted to be fixed to one side of the upper connecting rod of the earthenware. An angle adjusting unit for adjusting the overall angle of the frame unit The upper end of the body of the cylinder is fixed to the cylinder bracket of the frame portion in which the overall angle is adjusted by the angle adjusting part, and one end of the fixing member is fixed to the center of the cylinder rod so as to interlock with the rod of the cylinder and move forward and backward. And extending in the body direction, the center of the fixing member and the operating portion formed a large fixing hole, Hinge coupling of the end of the pair of guide rods to the fixing hole formed in the fixing member of the operating portion and the guide rod is guided to form a guide ring in the center of the guide rod for reciprocating movement so that the guide rings on both sides can be fixed A guide part fixedly formed on the upper side of the cylinder body with a guide ring holder, The connection groove is formed at the lower side of the upper end to be fixed to the connector formed a connection groove is fixed to the upper side of the outer end of the guide rods on both sides of the guide portion and secures the connection piece of the pipe-shaped outer link formed a locking ring at the bottom An inner link of the outer link is formed to accommodate the inner link, but a stop pin is formed at an upper end of the inner link, and a link part having a plurality of elastic holes at a lower side thereof; A link fixing tool is formed on the inner upper side of the auxiliary slab formed at both sides so that the lower end of the inner link of the link part is fixed, and a protruding bracket protruding upward to fix the link fixing tool, but at the bottom of the protruding bracket Forming and forming a side shaft plate on the outside and the rotating shaft to form a rotating shaft on both sides of the center of the panel plate so that the auxiliary slab is laid, and the connecting bracket in the front and rear in the center, The hinge frame is formed by forming a hinge frame below the center of the circular transverse connecting frame to be hinged to the connecting bracket formed on the center shaft plate of the rotary shaft, and protruding the rod frame such that the cylinder rod of the operating unit is coupled to the upper side of the horizontal connecting frame. It is formed on both sides of the lateral connection frame is fixed to the end and the upper end of the frame fixed to the frame portion and the lower end is composed of a connection frame portion forming a connection frame fixed to the "U" bolt on both sides of the lateral connection frame Tractor harrows.