KR101180911B1 - Furrowing apparatus for tractor - Google Patents

Abstract

PURPOSE: A furrowing device for a tractor is provided to adjust the width of a ridge according to the determination of an operator. CONSTITUTION: A furrowing device for a tractor comprises a power driving shaft, a main housing(20), a main driving shaft(30), a hiller housing(40), and a harrow. In the power driving shaft, one side thereof is connected to the driving shaft of a tractor and the other side thereof is equipped with a transmission gear. The main housing is combined with the tractor or a rotary body and moves up and down by the operation of a hydraulic cylinder. The main driving shaft is equipped with a plurality of distribution gears. The hiller housing has a working gear which receives driving force from a connection gear. The harrow is combined with the main housing and presses the top of a ridge.

Description

Tractor apparatus for tractor

The present invention relates to a topsoiler that is mounted on a rotary tractor mounted on a tractor or a tractor to form a ridge, and more particularly, a main drive shaft which is fixed to a power drive shaft receiving a predetermined power from a tractor, and a tractor or a rotary body. The main drive shaft which is connected to the housing, the main housing and the main driving shaft which is transmitted to the top of the top of the top of the earthenware housing which is separated or fixedly fastened to the main housing by receiving a driving force from the power drive shaft, and the main corresponding to the rear portion of the airtight housing Field of the Invention The present invention relates to a tractor discharging device including a sump fastened to a predetermined portion of a housing.

In general, the tops and bottoms forming device (furnace), as shown in Figure 8, the "V" type panel 140 at the rear of the rotary body 110 'connected to the tractor 100' digging the ground to a certain depth ') Or, recently, was driven by the power of the tractor to drive the blade-type batonal blade to form the ridge and furrow of the field.

The following is a representative prior art related to a tractor discharging device.

Korean Patent No. 10-0421807 relates to a discharge device, a gear box receiving power from a tractor, a cylindrical shaft extending horizontally from one side of the gear box and the auxiliary shaft pipe extending horizontally to the other side, the circular shaft portion And a support frame portion consisting of a pair of connecting arms fixed to the front in the auxiliary shaft pipe to connect with the tractor; A pair of vertical members installed in the upper portion of the cylindrical shaft and the auxiliary shaft pipe, a horizontal frame fastened horizontally by fastening with a U-shaped bolt at the top of the vertical member, the wheel cover is fitted to the left and right ends of the horizontal frame A wheel cover portion formed; A clay wheel shaft for driving the clay wheel by receiving power from the primary shaft portion; In the conventional topper comprising a top wheel bolted to the wheel disk several bolts, the top wheel shaft is divided into three stages consisting of a drive shaft assembly, a driven side assembly and a pipe shaft connecting the two shafts, The top wheel is bolted to the wheel disc on the flange hub fixed to the spline shaft.

Since the conventional technology allows the drive shaft to be divided into three stages, it is easy to disassemble and disassemble the wheel from the drive shaft, and the width of both the wheels can be varied by turning the flange hub upside down so that the width of both wheels can be changed. There was an effect that can be used with, but the problem arises that the width of the mockup can not be adjusted smoothly according to the worker's judgment, and continuous research and development is required to solve this problem.

The present invention has been made in order to improve the problems according to the prior art of the tractor discharging device, the conventional dissipating device is configured in the form of a "V" type panel is divided into a "V" type panel of the ground dug as a rotary of the tractor Because the work is done by the method of forming the furrows, the problem is that the leveling of the ridges is not uniform and the depth of the furrows is not deep, so that the drainage is not smooth and the crops can rot, and the soil raised from the furrows There was a problem of easy dripping into this furrow;

Conventionally, a discharging device for driving a blade discharging blade receiving power from a tractor has solved the problem of the discharging device composed of the "V" panel form, but smoothly transmits the power of the tractor sheared to the discharging blade to the drive shaft. Since both the drive shaft and the baton blade are fixed to a predetermined frame for receiving, a problem arises in that the width of the ridges can not be adjusted smoothly at the discretion of the operator, and the main purpose is to provide a solution for this.

The present invention is to realize the desired object as described above,

A driving shaft connected to a driving shaft of the tractor and having a transmission gear at a predetermined portion of the other side; A main housing coupled to a tractor or a rotary body, the main housing having a predetermined length in a width direction of the tractor, capable of being moved up and down by operation of a hydraulic cylinder fastened to a predetermined portion; Both side portions are fastened to a predetermined portion of the main housing, while one side portion includes a main drive gear to receive a driving force from the transfer gear, and a plurality of distribution gears that are movable or fixed in the axial direction are provided on the shaft. A main drive shaft; The main housing and the one side can be separated or fixed fastening, while one side has a connection gear to receive the driving force from the distribution gear on one side, and the other end portion is fastened by the rotating shaft and the driving force at the same time And a plurality of earthen housing having a working gear receiving; A certain portion of the main housing and one side is fastened, the other side is to press the upper part of the raised gyro to press the radar; proposes a tractor discharging device comprising a.

The tractor discharging device according to the present invention as described above is delivered to the main driving shaft, the driving force transmitted from the tractor, the driving force of the main driving shaft is capable of transmitting to the discharge blade provided in the discharging housing to the predetermined distance away from the main driving shaft, It is possible to obtain an effect of deeply forming the furrow formed by the blade, and thus an effect of smoothly securing drainage through the furrow;

The driving force of the main drive shaft can be transmitted to the discharging blade provided in the discharging machine housing which can move horizontally in the axial direction of the main driving shaft, so that the width of the ridges can be smoothly adjusted according to the judgment of the operator.

1 is a side view showing a tractor discharging device according to a preferred embodiment of the present invention.
2 to 3 is a perspective view showing a tractor discharging device according to a preferred embodiment of the present invention.
Figure 4 is a partial perspective view showing the operating state of the tractor discharging device according to a preferred embodiment of the present invention.
5 to 7 is a partial cross-sectional view showing a tractor discharging device according to a preferred embodiment of the present invention.
8 is a perspective view showing a tractor discharging device according to the prior art.

The present invention relates to a topdressing device for forming a ridge and furrows mounted on a rotary tractor mounted on a tractor or a tractor, the drive shaft 130 of the tractor 100 is connected to one side, the transmission gear 11 is connected to a predetermined portion of the other side; A power drive shaft 10 provided; The main housing 20 having a certain length is fastened to the tractor or rotary body 110 and is movable up and down by the operation of the hydraulic cylinder 120 fastened to a predetermined part and has a predetermined length in the width direction of the tractor. and; Both sides of the predetermined portion is fastened to each of the predetermined portion of the main housing, while one side of the predetermined portion having a main drive gear 31 for receiving the driving force from the transmission gear 11, a plurality of movable or fixed in the axial direction A main drive shaft 30 having a distribution gear 32 on the shaft; The main housing 20 and one side can be separated or fixed fastening, while one side portion is provided with a connection gear 41 for receiving a driving force from the distribution gear 32, the other side portion of the rotating shaft 42a A plurality of clay housings (40) having an actuating gear (42) for receiving the driving force from the connecting gear (41) at the same time the anchoring blade (43) is fastened; A certain portion of the main housing 20 is fastened to one side, and the other side is a harrow (50) for pressing and pressing the top of the ridged ridge; relates to a tractor discharging device comprising a.

Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 7 illustrating embodiments of the present invention.

Specifically, the power drive shaft 10 as shown in Figure 2 or 4, the drive shaft 130 of the tractor 100 is connected to one side, the other side is provided with a transmission gear 11 in a predetermined portion, the tractor ( Drive shaft 130 of 100 may be configured to be directly connected from the power transmission drive shaft provided in the rear of the tractor, as shown in Figure 1, the power transmission of the tractor connected to the rotary located in the rear of the tractor It includes a drive shaft branched from the drive shaft for.

In addition, the power drive shaft 10 is connected to the drive shaft 130 of the tractor 100, one side is connected, and the other side is provided with a transmission gear 11 for transmitting a driving force to the main drive gear 31 below. It may have any shape, the first drive shaft 12 and one side of the drive shaft 130 of the tractor 100 is connected to receive the driving force; A gear box 13 which receives a driving force from the other side of the first drive shaft 12 to change the rotation direction or change the rotation speed; The gear box 13 and one side is connected to receive a driving force, the second drive shaft 14 having a transmission gear 11 in the other predetermined portion; is preferably configured to include.

That is, the first driving shaft 12 is a configuration in which one side is connected to the driving shaft 130 of the tractor 100 to provide a driving force by entering a plurality of gears in the gear box 13, the driving shaft 130 of the tractor 100. And the drive shaft 130 of the tractor 100 or the drive force inlet shaft of the gearbox 13 by using a member such as a universal joint according to the configuration position of the gearbox 13.

In addition, the gear box 13 is a configuration for changing the rotational direction or the rotational speed of the driving force received from the first drive shaft 12, it is transmitted from the first drive shaft 12 by using a generally known gear box (13). Various configurations are possible to change the rotation direction or rotation speed of the received driving force.

In addition, the second drive shaft 14 is configured to include a transmission gear 11 at the other side of the other side extending length from one side is connected to the driving force withdrawal shaft of the gear box 13, in the gear box 13 It is a configuration for transmitting the driving force of the tractor changed in the rotational direction or rotational speed to the following main drive gear (31).

In this case, the first driving shaft 12, the gear box 13 and the second driving shaft 14 can be configured to face a variety of forms and directions by the respective connection relationship, the present invention is the first driving shaft 12, It is possible to configure a plurality of support members 16 for fastening the gear box 13 and the second drive shaft 14 to the main housing 20 below. In addition, in order to securely rotate the first driving shaft 12 or the second driving shaft 14 to the support member 16 and to ensure a smooth rotational force, the plurality of bearing members 15 may be connected to the first driving shaft 12 or the second driving shaft 12. It will be apparent that the first drive shaft 12 or the second drive shaft 14 is rotatable in the support member 16 by fastening to the drive shaft 14.

In addition, the main housing 20 is a certain portion is fastened to the tractor or rotary body 110, the lifting and lowering can be moved by the operation of the hydraulic cylinder 120 is fastened to a predetermined portion, a predetermined length in the width direction of the tractor As a configuration having, even if a certain portion is fastened to the tractor or rotary body 110 is configured in the form of the main housing 20 itself having a predetermined length in the width direction of the tractor toward the tractor or rotary body 110. 1 or 3, one side is fastened to the tractor or rotary body 110 and the other side may be formed by a support 21 is fastened to a predetermined portion of the main housing 20.

In connection with the above, the hydraulic cylinder 120, which allows the main housing 20 to move up and down, is engaged with a certain portion of the tractor or rotary body 110, the other side is a predetermined portion of the main housing 20. (Or the support 21), any structure may be used as long as it is connected to a hydraulic nozzle of a general tractor and the main housing 20 according to the present invention can be moved up or down from the ground.

At this time, the fastening between the predetermined portion (or the support 21) and the tractor or the rotary body 110 of the main housing 20 which is moved up and down by the hydraulic cylinder 120 is the lifting and lowering movement of the main housing 20. It will be apparent that the angle is configured to be rotatable.

In addition, the main housing 20 has a cylindrical or polygonal shape as shown in Figure 2, while tightening the following Betogi housing in the direction corresponding to the ground (may have a predetermined slope with the ground), the main housing In order to smoothly transmit the driving force of the main drive shaft 30 fastened to each other by a predetermined portion and both sides of the 20 to the connection gear 41 of the earthenware housing 40, the lower predetermined portion is cut. You may have it.

In addition, the main drive shaft 30 is provided with a main drive gear 31 which receives a driving force from the transmission gear 11 at one side, while a predetermined portion of both sides are fastened to a predetermined portion of the main housing 20, respectively. , Having a plurality of distribution gears 32 movable or fixed in the axial direction on the shaft, and the main housing 20 can be rotated while the main drive shaft 30 is fastened to the main housing 20. Although there may be any fastening relationship, the structure is configured to be rotatable by a bearing member 15 fastened to a flange detachable from the main housing 20 and fixed to both sides of the main drive shaft 30 as shown in FIG. 5. It is preferable to be.

In addition, a certain portion of one side of the main drive shaft 30 that is inside or outside of the flange corresponding to one side of the main drive shaft 30 corresponds to the transmission gear 11 to receive the driving force of the transmission gear 11 to rotate the main The drive gear 31 is provided, and the transmission gear 11 and the main drive gear 31 may be directly fastened, or may be fastened to each other as a chain.

In addition, the main drive shaft 30 according to the present invention may have a cross section perpendicular to the axial direction, such as a circular, polygonal or circular shape having irregularities on the outer circumference, such as a general drive shaft, but is fastened to the main drive shaft 30. In order to smoothly secure the driving force due to the rotation between the distribution gear 32 and the main drive shaft 30 and to reduce the weight of the drive shaft, the cross section perpendicular to the axial direction is formed in a polygonal or more polygonal shape having a hollow. desirable.

In connection with the above, the distribution gear 32 is fastened so as to be movable or fixed in the axial direction to the main drive shaft 30 is fastened on the axis of the main drive shaft 30, as shown in FIG. Rotate by

At this time, the distribution gear 32 may be configured so that the distribution gear 32 itself can be separated or fixed to the main drive shaft 30, the distribution gear 32 to be movable or fixed on the axis of the main drive shaft (30). It can be separated or fixed to the main drive shaft 30 by a fastener 33 connected with.

That is, as shown in FIG. 4, the fastener 33 of the distribution gear 32 may be fastened to the outer circumference of the main drive shaft 30 as a fastener 33 having a shape surrounding the main drive shaft 30, and the fastener 33. According to the tightening degree of the bolt provided in the) it is possible to separate or fix the fastener 33 and the main drive shaft (30).

In addition, the distribution gear 32 has a function to transfer the driving force of the main drive shaft 30 to the connection gear 41 in correspondence with the following connection gear 41, a topless housing provided with a top blade 43 ( According to the number 40), the number of components is composed of a plurality.

In addition, the plurality of earthen housing 40 is provided with a connecting gear 41 which receives a driving force from the distribution gear 32 at one side, while the main housing 20 and one side can be separated or fixed fastening, The discharging gear of the main drive shaft 30 is provided with an actuating gear 42 which is fastened to the other end portion by the rotation shaft 42a by the rotation shaft 42a and at the same time receives the driving force from the connecting gear 41. The driving force transmitted from the 32 is sequentially transmitted to the connecting gear 41 and the operating gear 42 to rotate the rotating shaft 42a to which the operating gear 42 is fastened, and by rotating the rotating shaft 42a. It is a structure which forms a furrow while the batonal blade 43 rotates.

That is, the top of the housing housing 40 is fastened so that a certain portion and one side of the main housing 20 can be separated or fixed, as shown in Fig. 2 or 5, at the same time the portion of the other side extending a certain length from one side Rotating shaft 42a having a 43 is provided, and the worker lowers the soil discharging device of the present invention so that the discharging blade 43 is inserted into the lower portion of the ground to lower the drive shaft 130 of the tractor 100. When operated, the driving force by the operation of the drive shaft 130 of the tractor 100 is transmitted to the rotating shaft 42a provided with the top blade 43 is configured to perform the topsoil work.

At this time, the length from one end to the other end of the earthenware housing 40 is a configuration factor that can adjust the depth of the furrow, it can be variously modified according to the judgment of those skilled in the art.

In addition, a portion of one side of the top housing 20 that is fastened with the main housing 20 maintains a state in which the main housing 20 and the top housing 40 are fixed to each other during the work of discharging, at the discretion of the worker. When the width of the mockup is adjusted according to the configuration so that the main housing 20 and the discharging housing 40 can be separated from each other at a predetermined interval or completely, but may be configured in any form, as shown in Figure 2, the discharging housing 40 One side portion of the) is configured to surround a certain portion of the outer circumferential surface of the main housing 20, as shown in Figure 5 the bolt (or at a predetermined position corresponding to the upper portion of the main housing 20 and the earthenware housing 40) Bolts and nuts).

In connection with the above, the present invention, as shown in Figure 6, the top housing (40a) that can be separated or fixed fastening to the main housing (20) with one side; One side may be separated or fixed to the other side of the upper housing 40a, and may have a connecting gear 41 at the same time, and the other side formed by extending a predetermined length with the other side may include a lower housing 40b having an operating gear 42. ); Can be configured.

That is, the upper housing 40a is configurable for the purpose of fastening between the main housing 20 and the discharging housing 40, as mentioned above, and the lower housing 40b is connected to the main drive shaft 30. The connecting gear 41 receives the driving force from the provided distribution gear 32 and transmits the driving force to the operation gear 42 provided on the other side of the lower housing 40b.

At this time, the fastening between the other predetermined portion of the upper housing (40a) and one side of the lower housing (40b) can be configured in various ways according to the judgment of those skilled in the art, as shown in Figure 6, the other predetermined portion of the upper housing (40a) One side of the lower housing 40b is preferably configured to overlap each other, and the overlapping portion is preferably configured to be fastened using a bolt and a nut.

In addition, the connection gear 41 is provided at one side of the discharging gear housing 40, and is configured to receive the driving force by the dispensing gear 32 in correspondence with the dispensing gear 32. It may have any configuration as long as it is a configuration that can be directly connected or chained to receive a driving force, and at the same time it can transmit the received driving force to the operating gear 42 spaced apart from the connecting gear 41. .

At this time, the present invention, as shown in Figure 4, the first gear (41a) is driven to correspond to the connecting gear 41 and the distribution gear 32; A second gear 41b which is driven in correspondence with the first gear 41a; And a third gear 41c fastened to the same rotation shaft 42a as the second gear 41b and correspondingly connected to the operating gear 42 in a chain to provide a driving force to the operating gear 42. Thus, the driving force transmitted from the distribution gear 32 can be effectively transmitted to the operating gear 42.

That is, the first gear 41a is rotatable about the first rotational shaft 42d fixed to a predetermined portion corresponding to one end of the top discharging housing 40 and directly corresponds to the distribution gear 32. Is fastened to receive the driving force of the distribution gear (32). In addition, the second gear 41b is first fastened by being fixed to the second pivot 42e fastened to one side of the discharging machine housing 40 corresponding to the lower part of the first gear 41a so as to be rotatable. The driving force of 41a is directly received. In addition, the third gear 41c is fixedly fastened to a predetermined portion of the second rotation shaft 42e corresponding to the side of the second gear 41b, and rotates together by the rotation of the second gear 41b. The driving force transmitted from the gear 41b is transmitted to the operating gear 42.

In connection with the above, the connecting gear 41 according to the present invention is composed of the first gear 41a, the second gear 41b and the third gear 41c, and at the same time, the topdressing housing 40 When composed of the upper housing (40a) and the lower housing (40b), it is possible to obtain an effect that can be easily repaired and replaced when a plurality of components provided in the top discharging housing (40) is broken or damaged. As described above, when the plurality of the top housings 40 are desired to be separated from the main housing 20 among the plurality of top housings 40, the separation of the upper housing 40a and the lower housing 40b is performed. It is possible to obtain an effect of easily separating the corresponding fastening between the distribution gear 32 and the first gear 41a.

In addition, the actuating gear 42 is a structure provided in the other side portion of the earthenware housing 40, as shown in Figure 5, of the rotating shaft 42a is fastened to be rotatable to the other side portion of the earthenware housing 40 It is fastened to a certain portion corresponding to the center and is provided with a driving force transmitted from the connecting gear 41 to the toe blade 43 fastened to both sides of the rotating shaft 42a extending to the outside of the top discharging housing 40. It is a configuration that provides rotational power.

At this time, the connection for the transmission of the driving force between the connection gear 41 provided in one side portion of the discharge vessel housing 40 and the operation gear 42 provided in the other side portion is configured in various ways according to the judgment of those skilled in the art Although possible, it is preferable to use a chain.

In connection with the above, it is apparent that the rotatable fastening structure between the rotating shaft 42a on which the actuating gear 42 is squeezed and the topless housing 40 and the configuration of the topological blade 43 are freely configured according to the judgment of those skilled in the art. It will be apparent that the airtight housing 40 is also freely configurable according to the judgment of a person skilled in the art to prevent the soil from entering the other predetermined portion of the earthenware housing 40 located below the ground.

In addition, the harrow 50 is a certain portion and one side of the main housing 20 is fastened, the other side is configured to press and press the upper part of the raised gyrus, as shown in Figure 3, a predetermined portion of the main housing 20 One side portion of the support bar or support plate is fastened to be rotated at an angle, and at the same time, the upper pressurization degree of the ridge may be adjusted by adjusting the weight of the harrow 50 itself or the height of the adjustment bar 51.

In addition, the present invention, as shown in Figure 1, the soil discharged by the rotation of the discharging blade 43 of the tractor discharging device according to the invention splashes in the front direction of the tractor discharging device (same as the traveling direction of the tractor.) In order to prevent that, the main housing 20 or the support 21 may be configured to further include an auxiliary plate 60 fastened so that the angle adjustable.

Hereinafter, the operation sequence of the tractor discharging device according to the invention as follows.

First of all, the worker adjusts the spacing between the topsoil housing 40 according to the width of the desired gyrus. At this time. The operator also moves the position of the distribution gear 32 corresponding to the connection gear 41 of the discharging machine housing 40 on the axis of the main drive shaft 30 according to the position of the discharging machine housing 40.

Thereafter, the operator adjusts the height of the adjustment bar 51 of the harrow 50 to fit the depth of the furrow, operates the rotary of the tractor and operates the tractor drive shaft connected to the tractor discharging device according to the present invention.

The power drive shaft 10 is rotated by the rotation of the tractor drive shaft, and the transmission gear 11 provided on the other side of the power drive shaft 10 is rotated, while the main drive gear 31 connected to the transmission gear 11 by a chain. Is made. Subsequently, the main drive shaft 30 rotates as the main drive gear 31 rotates, and the distribution gear 32 rotates, and the first gear 41a corresponding to the distribution gear 32 rotates.

By the rotation of the first gear 41a, the second rotation shaft 42e to which the second gear 41b is fixed is rotated, and the third gear 41c is rotated. Subsequently, the rotation gear 42a in which the operation gear 42 is connected to the third gear 41c and the chain is rotated, and the operation gear 42 is fastened, and the top plate is fastened to the rotation shaft 42a. (43) rotates to form furrows on the ground.

The above has been described with reference to a preferred embodiment of the present invention, but is not limited to the above embodiment, the person having ordinary skill in the art to which the present invention pertains through the above embodiments without departing from the gist of the present invention Can be implemented in a variety of changes.

10: power drive shaft 11: transmission gear
12: first drive shaft 13: gearbox
14: second drive shaft 15: bearing member
16: support member 20: main housing
21: support 30: main drive shaft
31: main drive gear 32: distribution gear
33: fastener 40: earthenware housing
40a: upper housing 40b: lower housing
41: connecting gear 41a: first gear
41b: Second Gear 41c: Third Gear
41d: first coaxial 41e: second coaxial
42: operating gear 42a: rotating shaft
43: Batonal 50: Rapture
51: adjustment bar 60: auxiliary plate
100: tractor 110: rotary body
120: hydraulic cylinder 130: drive shaft of the tractor

Claims (5)

A power drive shaft 10 having one side connected to the drive shaft 130 of the tractor 100 and having a transmission gear 11 at the other predetermined portion;
The main housing 20 having a certain length is fastened to the tractor or rotary body 110 and is movable up and down by the operation of the hydraulic cylinder 120 fastened to a predetermined part and has a predetermined length in the width direction of the tractor. and;
Both sides of the predetermined portion is fastened to each of the predetermined portion of the main housing 20, while one side of the predetermined portion is provided with a main drive gear 31 to receive the driving force from the transmission gear 11, the movement or fixed in the axial direction A main drive shaft 30 having a plurality of possible distribution gears 32 on the shaft;
The main housing 20 and one side can be separated or fixed fastening, while one side portion is provided with a connection gear 41 for receiving a driving force from the distribution gear 32, the other side portion of the rotating shaft 42a A plurality of clay housings (40) having an actuating gear (42) for receiving the driving force from the connecting gear (41) at the same time the anchoring blade (43) is fastened;
A certain portion and one side of the main housing 20 is fastened, the other side is a harrow (50) for pressing and pressing the upper part of the topped gyro; tractor discharging device comprising a.
The method of claim 1,
The power drive shaft 10,
A first driving shaft 12 connected to one side of the driving shaft 130 of the tractor 100 and receiving a driving force;
A gear box 13 which receives a driving force from the other side of the first drive shaft 12 to change the rotation direction or change the rotation speed;
The gearbox 13 and the one side is connected to receive a driving force, a second drive shaft (14) having a transmission gear 11 on the other side; a tractor discharging device comprising a.
The method of claim 1,
The main drive shaft 30,
Tractor dissipating device, characterized in that the cross section perpendicular to the axial direction is configured to be a polygon or more triangular.
The method of claim 1,
The discharging housing 40,
An upper housing 40a of which one side is separable or fixed to the main housing 20;
One side may be separated or fixed to the other side of the upper housing 40a, and may have a connecting gear 41 at the same time, and the other side formed by extending a predetermined length with the other side may include a lower housing 40b having an operating gear 42. A tractor discharging device, characterized in that consisting of.
The method according to any one of claims 1 to 4,
The connecting gear 41 is,
A first gear 41a which is driven in correspondence with the distribution gear 32;
A second gear 41b which is driven in correspondence with the first gear 41a;
And a third gear 41c fastened to the same rotation shaft 42a as the second gear 41b and correspondingly connected to the operating gear 42 in a chain to provide a driving force to the operating gear 42. Tractor discharging device, characterized in that.

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