KR101601806B1 - Lawn mower tractor having a Cutting apparatus of the grooves of the stem - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a grass mower which is mounted on a front side or a rear side of a tractor for agricultural purposes to cut crop stems such as underground crops. More specifically, To a tractor lawn mower equipped with a tenter cutting means for a trough which is provided with a tenter cutting means for a tenter which is a tenter cutting means.
A tractor lawn mower having the stalk cutting means according to the present invention is a tractor lawn mower installed in front of or behind a tractor for cutting a crop stem. The lawn mower includes: a lawn mower body having connecting means to be mounted on the tractor; A primary stem cutting means for cutting a crop stem in a trough and a trough installed on one side of the mower body; A second stem cutting means for cutting the uncut stems in the trough of the crop stem cut by the primary stem cutting means; Power transmission means for transmitting power from the tractor to the primary stem cutting means and the secondary stem cutting means; A vertical axis which is installed to rotate around a hinge axis on the mower body and which is configured to be expanded and contracted by a handle provided on the upper side and a wheel provided on the lower side of the vertical axis, A moving auxiliary wheel; And a rotation adjusting means for rotating the hinge shaft at an arbitrary angle so as to adjust a distance between the second blade cutting blade of the second blade cutting means and the ground.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a lawn mower tractor having a cutting device for a trough,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a grass mower which is mounted on a front side or a rear side of a tractor for agricultural purposes and cuts crop stem such as underground crop, To a tractor lawn mower equipped with a tenter cutting means for a trough which is provided with a tenter cutting means for a tenter which is a tenter cutting means.

In order to harvest crops, a variety of harvesting agricultural equipment has been developed and used for various harvesting. The development and use of agricultural equipment using power machines such as tractors or tillage machines are increasingly increasing due to shortage of one hand.

A variety of underground crop harvesters have been developed and are being continuously developed, allowing various underground crops such as onions, sweet potatoes, potatoes, etc. to be harvested using tractors or cultivators.

 Techniques for underground crop harvesters for harvesting such underground crops include the following: public utility model publication No. 20-1998-055623, underground crop harvester, registered utility model publication No. 20-0461743, crop structure discharge mechanism for underground crop harvester, registered utility model publication 20-0463852, Registered Practical Utility Model No. 20-0366597, underground crop harvester, and the like.

However, in the case of various underground crop harvesters conventionally provided, inconvenience is often caused by harvesting of the crop stem, while tangling of the crop stem increases the burden on the underground harvesting machine and causes a failure or delay of operation .

Recently, a variety of techniques have been provided for tractors or tillage lawn mowers (cutting machines) capable of cutting crop stalks before harvest.

As a conventional technique for such a tractor or a tiller for a tiller, there is disclosed a manufacturing apparatus for a tractor disclosed in Japanese Patent Application Laid-Open No. Hei 10-2012-0024114, a manufacturing apparatus for a tractor disclosed in Japanese Patent Application Laid-Open No. 10-0837683, a laid-open patent publication No. 10-2014-0040408 A variety of techniques such as a tractor-attached lawn mower, a registration machine for a tractor manufacturing machine 20-0387593, a machine for cutting a sweet potato and a potato, a potato cutting machine for a potato, and a potato cutting machine for a potato of Patent Registration No. 10-0370263 .

In the case of a conventional technology for cutting a crop stem, a crop stem such as a sweet potato stem in a trough can not be cut, which causes a problem that a load on the harvesting machine is increased or tangled.

In other words, the crops are usually made up of ridges to grow crop yields, crops are planted on them, and harvesters are harvested to harvest the crops on many of the rivers. Therefore, if there are uncut crop stalks in the troughs formed between the troughs and troughs, it will cause various problems by increasing or tangling the load on the harvester.

(KR) Patent Publication No. 10-2012-0024114 (Publication date, March 14, 2012) (KR) Patent Registration No. 10-0837683 (registered date, June 6, 2008) (KR) Published Japanese Patent Application No. 10-2014-0040408 (Publication date, April 4, 2014) (KR) Registration Utility Model Bulletin 20-0387593 (Registered Date, June 13, 2005) (KR) Patent Publication No. 10-2010-0125925 (Publication date, December 1, 2010) (KR) Patent Registration No. 10-0370263 (registered date, January 16, 2003)

The present invention has been made to solve such conventional problems,

The present invention relates to a stalk cutting means for stitching a crop stalk which is located in the stern between the stalk and the stalk so as to solve various problems caused by the uncut stalk in the stalk during the crop harvesting operation A tractor for a tractor is provided.

In order to solve the above-mentioned problems, a tractor lawn mower equipped with tiller trimming means for cutting tillage is provided in front of or behind a tractor for cutting a crop stem. A lawn mower body; A primary stem cutting means for cutting a crop stem in a trough and a trough installed on one side of the mower body; A secondary stem cutting means for cutting the uncut stem of the crop placed in the trough of the crop stem cut by the primary stem cutting means; Power transmission means for transmitting power from the tractor to the primary stem cutting means and the secondary stem cutting means; A vertical axis which is installed to rotate around a hinge axis on the mower body and which is configured to be expanded and contracted by a handle provided on the upper side and a wheel provided on the lower side of the vertical axis, A moving auxiliary wheel; And a rotation adjusting means for rotating the hinge shaft at an arbitrary angle so as to adjust a distance between the second blade cutting blade of the second blade cutting means and the ground.

The tractor lawn mower equipped with the tentering means for stitching of the present invention having the above-described structure can be cut in the first stage by means of the primary trimming means and cutting the uncut trunks, It is possible to solve all the problems caused by crop stalks in the city gorge.

Also, since the primary crop is cut by the primary root cutting means for cutting the root of the crop within the root and the trough, the uncut root of the root of the root is cut secondarily so that it can be cut without a large load.

In addition, the second cutting blade for the trough provided in the second trimming means is primarily adjusted by the moving auxiliary wheels before starting the work, and can be adjusted by the rotation adjusting means during the operation, It has the advantage of being able to respond quickly to change.

1 is a state in which a tractor lawn mower equipped with a trunnion cutting means for a trough is mounted on a tractor according to the present invention.
2 is a side schematic view of a tractor lawn mower equipped with a stem cutting device for a trough, which is an embodiment of the present invention.
3 is a side schematic view showing a distance between a second stem cutting means and a ground surface by a moving auxiliary wheel of a tractor lawn mower having a stem cutting means for a gravel according to an embodiment of the present invention.
FIG. 4 is a partial side schematic view showing a state in which a moving auxiliary wheel of a tractor lawn mower equipped with a stem cutting means for a trough, which is an embodiment of the present invention, is rotated by rotation adjusting means.
FIG. 5 is a schematic plan view of a primary stem cutting means and a secondary stem cutting means of a tractor lawn mower equipped with a stem cutting means for a trough, which is an embodiment of the present invention. FIG.
6 is a side schematic view of a primary stem cutting means and a secondary stem cutting means of a tractor lawn mower equipped with a stem cutting means for a trough, which is an embodiment of the present invention.
FIG. 7 is a schematic plan view of a moving auxiliary wheel and a rotation adjusting means of a tractor lawn mower having a stem cutting means for a trough, which is an embodiment of the present invention; FIG.
FIG. 8 is a schematic view of power cutoff means of a tractor lawn mower equipped with a stem cutting means for a trough, which is an embodiment of the present invention; FIG.

It is to be understood that the terms and words used in the present specification and claims should not be construed as limited to a conventional or dictionary meaning and that the configurations shown in the embodiments and drawings described herein are only the most preferred embodiments of the present invention It is to be understood that the invention is not limited to the specific embodiments disclosed herein, and that various equivalents and modifications may be made thereto without departing from the scope of the present invention.

The present invention relates to a tractor lawn mower which is mounted on a front side or a rear side of a tractor for agricultural purposes and which cuts a crop stem so as to solve problems caused by crop stems before harvesting of underground crops.

That is, a tractor lawn mower equipped with tiller trimming means for trimming the crop stems in the trough so as to be spaced behind the primary trimming means for cutting the crop stems in the troughs and troughs .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

Referring to Figure 1,

The tractor lawn mower (2) provided with the tenter cutting means according to the present invention is usually mounted behind the tractor (1) to cut the stem of the crop before harvesting bulb crops such as sweet potatoes.

Referring to Figures 1 to 3,

The structure of the tractor lawn mower 2 having the stalk cutting means of the present invention mainly includes a lawn mower body 10 having connecting means 11 to be mounted on the tractor 1, A first stem cutting means 20 for first cutting the crop stem in a trough and a trough provided at one side of the first trough cutting means 10; A second stem cutting means 30 for cutting off the uncut crop stem and a power for transmitting power from the tractor 1 to the primary stem cutting means 20 and the secondary stem cutting means 30, And a wheel 53 installed to rotate around the hinge shaft 54 and move along the valleys so that the height of the mower body 10 can be adjusted A moving auxiliary wheel 50, a hinge shaft 54 can be rotated and fixed at an arbitrary angle so that the moving auxiliary wheel 50 is rotated at an arbitrary angle so that the second blade cutting blade 32 of the second blade cutting means 30 is rotated at a predetermined distance The main stem cutting means 20 and the secondary stem cutting means 30 are connected to the main stem cutting means 20 or the secondary stem cutting means 30 by cutting off the power transmitted to the primary stem cutting means 20 and the secondary stem cutting means 30, And a power cut-off means (70) for allowing only one of the stem cutting means (30) to work alone.

The mower body 10 is provided with connecting means 11 which is connected to the rear of the tractor 1 by a pin so as to be detachable and attachable.

The primary stem cutting means 20 is constituted to receive the power from the tractor 1 and rotate to cut the stem of the crop first.

Referring to Figures 5 and 6,

The primary stem cutting means 20 includes a first cutting blade shaft 21 installed on the mower body 10 so as to be rotatably supported by bearings at both ends thereof and a plurality of first cutting blade axes 21 A first V-belt pulley 21-1 is provided at one end or both ends of the first cutting blade 21 so that the tractor 1 can receive power from the V- .

The first cutting edge 22 provided on the first cutting edge 21 may have a diameter different from that of the edge located on the edge a and the edge b.

That is, the first cutting edge 22 is constituted by the first cutting edge 22-a for the weft located on the branch a and the first cutting edge 22-b for the trough located on the valley b And the diameter Db of the first cutting blade 22-b for the trough is made larger than the diameter Da of the first cutting blade 22-a for the tile, so that the crop stem in the trough is cut Can be done. Generally, the crop stem located on the furrow (b) is located at a lower position than the crop stem located on the furrow (a).

 However, the diameter Db of the first cutting blade 22-b for the trough should be smaller than the diameter d of the second cutting blade 32 for the trough of the secondary cutting means 30 (see Fig. 5 Reference).

The secondary stem cutting means 30 is arranged in the trough of the crop stem cut by the primary stem cutting means 20 to cut the uncut stem of the crop, And the second blade cutting blade 32 for cutting the crop stem is provided only in a portion where the trough b is located.

The secondary stem cutting means 30 includes a second cutting blade shaft 31 such that both ends of the second stem cutting means 30 are supported by bearings at both ends of the weaving machine body 10 such as the primary stem cutting means 20 described above, And a plurality of second cutting blades for gravel (32) which are provided at arbitrary intervals on the cutting blade axis (31) and on which the troughs (b) are located, and one end or both ends of the second cutting blade axis (31) The V 'belt pulley 31-1 is formed so as to be able to rotate by receiving power from the V-belt pulley 31-1.

A disk provided in the form of a weld on the second cutting blade axis 31 so that the diameter d of the second blade cutting blade 32 may be larger than the diameter Db of the first blade cutting blade 22- And a connecting plate 34 for mounting a second cutting blade 32 made of a semicircular plate member bolted to the disk plate 33 so as to connect the second cutting blade 32 After the bolts or rivets are mounted on the plurality of holes formed in the plate 34, the connecting plate 34 is installed on the disk plate 33 using bolts or rivets.

The power transmission means 40 is configured to transmit the power drawn from the tractor 1 to the primary stem cutting means 20 and the secondary stem cutting means 30. This power transmission means 40 typically includes a 'V' belt pulley 41 and a 'V' belt 42 by using a 'V' belt power transmission scheme.

The 'V' belt pulley 41 and the 'V' belt 42 can transmit power to the primary stem cutting means 20 and the secondary stem cutting means 30 respectively, The 'V' belt pulley 41 is connected to the V 'belt pulley 41a for the primary stem cutting means and the V' belt pulley 41a for allowing the belt 20 to rotate faster than the secondary stem cutting means 30. [ And a 'V' belt 42b for a second stem cutting means having a size smaller than that of the first stem cutting means 41a. The 'V' belt 42 comprises a 'V' belt 42a for primary stem cutting means, And a 'V' belt 42b for cutting means.

In addition, the power transmission means 40 is provided with tension adjusting means 70 so that power transmission can be accurately performed. That is, the tension adjusting means 70 is provided to prevent the power transmission from being performed due to the sliding phenomenon caused by the increase of the 'V' belt during long term use.

The tension adjusting means 70 comprises a tension adjusting means 70-1 for the primary stem cutting means 20 and a tension adjusting means 70-2 for the secondary stem cutting means 30, A roller 72 provided on the other side opposite to the hinge shaft 71a and a tension adjusting screw 71 for pushing the arm 71 in the ' (73).

The moving auxiliary wheel 50 is provided with a wheel 53 that moves along the ridge b so as to facilitate the movement of the ridge of the second cutting blade 30, 32) and the ground surface (ground surface of the trough).

The moving auxiliary wheel 50 includes a vertical axis 51 extending and contracted by a handle 52 provided at the upper side and a wheel 53 provided at a lower end of the vertical axis 51. The vertical axis 51 Is installed at a hinge shaft 54 provided at both ends so as to be rotatable on the mower body 10 and is rotatable around the hinge shaft 54. [

The rotation adjusting means 60 rotates the vertical axis 51 of the movement assistant wheel 50 about the hinge axis 54 so that the second trimming cutting means 30 of the second trimming means 30, So that the distance between the floor 32 and the floor (floor of the trough) can be adjusted.

The other end of the rotation adjusting means 60 is connected to a bracket 62 provided on the hinge shaft 54 and is connected to a hydraulic cylinder 61 .

That is, the separation distance between the second cutting blade 32 of the second stem cutting means 30 and the ground surface (ground surface of the trough) is adjusted by the moving auxiliary wheels 50 (See Fig. 3), the distance between the ground and the ground (ground surface of the trough) can be adjusted by the rotation adjusting means 60 during the work process (see Fig. 4) So that the work can be performed.

The tractor lawn mower (2) equipped with the tenter cutting means of the present invention thus constructed is mounted on the tractor (1) in place of the harvesting machine before the harvesting operation of the crop to perform cutting of the stem of the crop, The primary stalk cutting means 20 is used to first cut the crop stems in the tufts and stumps and again the secondary stump cutting means 30 to place the uncut or long crop stems in the furrows It is possible to solve the conventional problems caused by the uncut work or the long work.

The position of the second cutting blade 32 for the trough, in which the separation distance from the ground (ground surface of the trough) is adjusted by the movement auxiliary wheels 50, is changed (corrected) by the rotation adjusting means 60 during the operation It is possible to cope with various environmental changes.

1: Tractor 2: Tractor Mowers
10: mower body
20: Primary stem cutting means
30: Second stem cutting means
40: power transmission means 41: 'V' belt pulley
50: movable auxiliary wheel 51: vertical axis
52: handle 53: wheel
54: Hinge shaft
60: rotation adjusting means 61: hydraulic cylinder
70, 70-1, 70-2: tension adjusting means

Claims (4)

A tractor lawn mower installed on the front or rear of a tractor for cutting a crop stem,
A lawn mower body (10) provided with connecting means (11) to be mounted on the tractor;
A primary stem cutting means 20 installed at one side of the mower body 10 for cutting a crop stem in a shed and a trough;
A secondary stem cutting means (30) for cutting the uncut stem of the crop placed in the trough of the crop stem cut by the primary stem cutting means (20);
And a movable auxiliary wheel (50) provided at the center or both sides of the mower body (10) to move along the furrow and adjust the height of the mower body (10), wherein the movable auxiliary wheel (50) A vertical shaft 51 installed to rotate around the hinge shaft 54 in the mower body 10 and configured to be expanded and contracted by a handle provided at the upper side and a wheel 53 provided at the lower end of the vertical shaft 51, ,
The hinge shaft 54 is connected to the rotation adjusting means 60 so that the vertical shaft 51 is rotated and fixed at an arbitrary angle,
Characterized in that the second cutting blade (32) for cutting the stem of the trough provided in the secondary stem cutting means (30) is adjusted by the moving auxiliary wheel (50) Tractor mowers with cutting means. A tractor lawn mower installed on the front or rear of a tractor for cutting a crop stem,
A lawn mower body (10) provided with connecting means (11) to be mounted on the tractor;
A primary stem cutting means 20 for cutting a crop stem in a trough and a trough installed on one side of the mower body 10;
A secondary stem cutting means (30) for cutting the uncut stem of the crop placed in the trough of the crop stem cut by the primary stem cutting means (20);
A power transmission means (40) for transmitting power from the tractor to the primary stem cutting means (20) and the secondary stem cutting means (30);
A vertical shaft 51 installed on the mower body 10 to rotate about a hinge axis 54 and configured to be expanded and contracted by a handle 52 provided at an upper side thereof and a wheel 53 A moving auxiliary wheel 50 which moves along the valleys and includes a height of the mower body 10;
The hinge shaft 54 can be rotated and fixed at an arbitrary angle so that the vertical axis 51 is rotated at an arbitrary angle so that the second cutting blade 32 for the trough of the secondary stem cutting means 30 And a rotation adjusting means (60) for adjusting the separation distance. The tractor lawn mower according to Claim 1, 3. The method according to claim 1 or 2,
The primary stem cutting unit 20 includes a first cutting blade shaft 21 rotatably supported on the mower body 10 by power transmitted from the tractor while being supported by bearings at both ends thereof; And a plurality of first cutting edges (22) provided at arbitrary intervals in the first cutting edge (21)
The secondary stem cutting means 30 includes a first cutting blade 21 and a second cutting blade 21 which are rotatably supported on the mower body 10 by bearings at both ends thereof and rotated by the power transmitted from the tractor, A bladeshaft 31; And a plurality of second cutting blades (32) provided on the second cutting blade axis (31) at intervals between the blades,
Characterized in that the rotation regulating means (60) is adjustable during a cutting operation using a hydraulic cylinder. delete

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