JPH03280807A - Grass dividing mechanism of rush harvester - Google Patents

Abstract

PURPOSE:To smoothly putting the grass dividing mechanism into rush of field and surely dividing the rush grass entwining each other in high density by installing a rush dividing lever of hollow straight pipe thicker than crank shaft in a specific state. CONSTITUTION:A rush-dividing lever 94 of hollow straight pipe thicker than the crank shaft 89 being mediatedly fitted thereto is pivoted to support stay 84 of an outside-grass-dividing sledge 81 by a cross universal joint 85 in the lower front end and fitted through a bearing 101 to an osicillating crank part 93 of the crank shaft 89 by free bearing state in the upper rear end.

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to an improvement in the weeding mechanism of a rush harvester.

<Prior Art> The present applicant has already proposed Japanese Patent Publication No. 62-44887 regarding the weeding mechanism of a rush harvester, and has achieved considerable results by commercializing the proposal.

Due to its structure, synthetic resin or other flexible hollow pipe material is used as the distribution rod (33), and it is forced from a straight pipe state to a bent pipe state based on its own flexibility. The upper support member (43) and the lower support member (32) are curved and incorporated between the upper support member (43) and the lower support member (32).
3) Due to (32), the installation is kept in a stretched state. Under a constant amplitude (W) given by the curvature of the distribution rod (33), the distribution rod (33) can be caused to revolve while drawing an overall spindle-shaped motion locus.

Such a configuration is similar to that of JP-A-63-116618 and JP-A-64-63, which were filed by a third party after the publication of the application for the above-mentioned known invention.
Even in No. 37224 and Utility Model Application No. 1-118624,
They are basically the same.

<Problems to be Solved by the Invention> However, according to the results of continued field research since then, in the case of the known invention proposed by the applicant, the rotary driving force from the engine (11) is distributed to the rod ( 33), it has the advantage of being able to directly apply the revolving force to A(33) without any loss. Due to its flexibility, the pipe is forced to bend from the initial straight pipe state to a bent pipe state with an amplitude (W) of approximately 20 cm, so the thickness of the distribution rod (33) In reality, the number of Shonin students is limited to at least 30.

In other words, although curving into an arc shape with a large amplitude (W) is effective for improving the weeding ability, the thicker the distribution rod (33) is, the more difficult it is to curve it to a large extent. It is.

Therefore, if we adopt a sorting rod (33) made of thin hollow pipe material that does not reach the above value, then the sorting rod (33)
) Not only will its own durability be reduced, but even if it is loosely attached to the upper support (43) in a state where it does not rotate, rushes will be more likely to get stuck to it, and It becomes easily damaged, and this phenomenon occurs particularly when the rush is soft and growing, or when the immature product is harvested. Close the lid and use a thin sorting rod (
33), the contact surface area (1) with respect to the stem culm of the rush is small, and the contact pressure is conversely large. As a result, in order to remove the rushes stuck to the sorting rods (33), it is necessary to interrupt the mowing operation, or to reduce the working speed of the machine (10) to prevent the rushes from getting stuck or being damaged. , they are also forced to shift gears frequently.

In addition, the sorting rod (33) is actually made of a hollow pipe material made of ABS resin that also has appropriate rigidity. If the grass is subjected to one-shot weeding action, it will not be able to withstand the entangling separation resistance, and as shown in Figure 23, it will draw an elliptical revolving trajectory that extends long and narrow along the vertical direction. Become. In other words, the amplitude (W) along the horizontal direction, which is originally important for the weeding action, is reduced, and the grass is improperly stretched and deformed as if escaping in the vertical direction, where there is less resistance, and the weeding effect is still inferior.

Furthermore, in the case of the above-mentioned known invention, the distribution rod for hollow pipe material (
While forcibly deforming the upper support member (43)
) and the lower support (32), it is still difficult to perform the assembling work as well as the adjustment work of the amplitude (W) efficiently and easily.

Moreover, the distribution rod (33) has both supports (43
) (32), so that the bearings at both ends of the distributing rod (33) are subjected to unreasonable force at all times, and from this point of view, In addition to reducing durability, the distributing rod (33) tends to rotate with its upper support (43) due to partial friction, especially in the loose part with the upper support (43), which prevents its rotation completely. It is difficult to prevent this, and there is also a risk that the distribution rod (33) itself may be twisted improperly, causing cracks.

<Means for Solving the Problems> The present invention is intended to improve the above-mentioned problems, and for this purpose, the front end of the weeding sled that is sent forward from the aircraft body is provided with:
The parting arrow and the support stay hidden behind it are fixedly installed, and the crankshaft is raised at a mid-height position of the rush raising chain case that stands up from the middle part of the parting arrow, and intersects with the chain case. The oscillating crank portion is supported in an upwardly inclined state, and a oscillating crank portion that extends and bends by a certain eccentric amount from the lower front end of the crankshaft is opposed to the support stay at a certain distance, and the oscillating crank between the top and bottom of the part and the support stay,
A rush sorting rod, which is a hollow straight pipe thicker than the above-mentioned crankshaft, is interposed, and the lower front end of the sorting rod is pivotally connected to the support stay by a cross-shaped universal joint, while the upper rear end of the sorting rod is also connected to the swinging crank. When the rotational driving force of the engine is applied to the above-mentioned crankshaft from behind and above, the distribution rod intersects the axis of rotation of the crankshaft itself by a certain angle. The main feature is that it is set to perform only revolution while drawing a conical trajectory that tapers downward.

<Function> According to the above configuration, the lower front end of the rush sorting rod (94) made of a hollow straight pipe is connected to the support stay (84) attached to the grass dividing sled (81) through the cross-shaped universal joint (85). On the other hand, the upper rear end of the same distribution rod (94) is attached to the lower front end of the crankshaft (89) by a certain amount of eccentricity (
Because it is loosely fitted through the bearing (101) to the oscillating crank part (93) which extends and bends by X),
Engine (16) from the upper rear to the crankshaft (89)
When applying a rotational driving force of
) The rushes can be reliably sorted by performing only the revolving action while creating a downwardly tapering conical locus of movement around its own axis of rotation (Y-Y).

In that case, the distributing rod (94) is fitted at its upper t&end with an oscillating crank portion (93) of the crankshaft (89) and a loose bearing (101) that does not rotate, and the crank Since it is made of a hollow straight pipe that is thicker than the shaft (89), it receives the rotational driving force of the crankshaft (89) directly without any loss, and ensures a reliable weeding action without the risk of the rushes getting caught. Not only is this possible, but a flexible hollow straight pipe is used as the distribution rod (94), but unlike the conventional technology shown in Fig. 23, it always draws a correct orbital locus with a perfect circular cross section, making it possible to It can sufficiently withstand the entanglement and separation resistance of grass.

The distribution rod (94) is made of a hollow straight pipe, and its upper rear end is connected to the oscillating crank portion (93) of the crankshaft (89).
While the front end of the lower part is pivoted to the support stay (84) of the weeding sled (81) so that it can swing freely, the assembly work is extremely efficient (easy and simple). There is no fear that unreasonable force or uneven friction due to the revolving movement will occur in the bearing part of the distribution rod (94).Coupled with its thickness, the stability of the weeding action is improved. This will significantly improve the results.

<Example> Hereinafter, the specific configuration of the present invention will be described in detail based on the illustrated example. Figures 1 to 3 show the entire rush self-contained riding type harvester suitable for two-row cutting. (10) is a general term for the aircraft body, which consists of a fixed track frame (11) and a work frame (12) that can be moved up and down, forming the front part of the track frame (11).

In other words, the work frame (12) includes a rush weeding mechanism (A) and a raising mechanism (B), which will be described later, and a rush conveyance mechanism (
C), a flat surface that supports a series of working mechanisms consisting of a stock-head reaping mechanism (D), a waste removal and sorting mechanism (E), a stock-base side convergence conveyance mechanism (F), and a stock-base binding mechanism (G). The rear base end of the frame is generally horizontally shaped as a whole, and its rear base end is connected to the horizontal horizontal axis (1
3), and a hydraulic cylinder (14) for raising and lowering the work frame is inserted between the front and rear of both frames (11, 12).

Therefore, by extending the piston rod (15) of the hydraulic cylinder (14) forward from above the driver's cab, which will be described later, the work frame (12) can be moved as shown in FIG. The zero work frame (12), which can be raised to a tilted state with its front end with respect to the track frame (11) while serving as a rotation fulcrum, has a generally horizontal shape in plan view, and as described above, its left side ( The biased position of the uncut side) extends forward for a long time.

(16) is the engine mounted in the front position of the truck frame (11), and (17) is the same frame (11).
) is a driving transmission installed at the rear of the engine (16) via an intermediate shaft (18) parallel to the horizontal shaft (13), No. 1.2 transmission belts (19), (20), etc. It is transmission connected to the output shaft (21) of. In that case, the intermediate shaft (18) is connected to the work frame (12).
) is horizontally mounted at a position offset rearward by a certain distance (d) from the horizontal axis (13) which forms the rotational fulcrum.

In addition, the output shaft (21) and intermediate shaft (18) of the engine (16)
) and other pulleys are omitted from illustration numerals.

(22) is a pair of left and right running crawlers 1 that are rotated by the power taken out from the transmission (17).
(23) is a rush binding bed located at the front of the truck frame (11) and also covers the entire top surface of the engine (16); (24) is a rush binding bed following the binding bed (23); This is the main deck for Igusa Higashi loading that covers the entire upper surface of the transmission (17), intermediate shaft (18), etc., and as suggested by the side view in Figure 1, it is preferably made of metal plate material with an abbreviated shape. In addition, the above-mentioned binding floor (
A certain height difference (h) is also provided between the front and rear of the main deck (23) and the main deck (24), so that the former is taller than the latter. The main deck (2
4) As much as possible of rush bunches (M) can be stored inside.

(25) is the main deck (
The driver's cab is integrally extended rearward from the operator's control box (26) and the seat (27).
) and a roof (28) for sun protection.

Therefore, while riding on the driver's cab (25), the operator can visually check the load capacity of the rush pile (M>) on the main deck (24) located immediately before the driver's cab (25). It is also easy to correct irregularities in loading conditions and stability.

(29) is a vertical axis (30) extending perpendicularly to the horizontal axis (13) along the canvas side (already cut side) end of the continuous main deck (24) and driver's cab (25). ), it is a sub-deck for loading Rush East that is pivotally mounted so that it can rise and fall freely, and is preferably integrated into a frame made of metal rods in an abbreviated shape when viewed from the front. The inside of the sub-deck (29) is open to communicate with the inside of the main deck (24), and as is clear from Figure 5.6, there are grass bundles inside the main deck (24). (M) is the aircraft (1
0) is laid down so that it extends along the left and right direction, but inside this sub-deck (29), the rush bundle (M) also extends along the front and back direction of the fuselage (10).
He was forced to lie down and be put on board.

(31) is a rotating piece that integrally extends from the framework material at the rear position of the sub-deck (29); (32)
is a hydraulic cylinder for raising and lowering the No. 1 board, which is attached to the lower surface of the driver's cab (25) so as to correspond to the position corresponding to the rotating piece (31), and is pivotally connected to the rotating piece (31). By moving the piston rod (33) that has been moved forward and backward in the left and right directions from above the driver's cab (25), the sub-deck (29) is moved about 90 degrees around the fulcrum of the vertical axis (30).
It can be raised and lowered by a certain angle range (α) of degrees.

As shown in Figure 5, you can see a bunch of rushes (
M) can be stably loaded, and the rush bundle (M) can be easily unloaded to the right side (already cut side) of the machine body (10) by flipping it down as shown in Figure 6. can do. By changing the undulating rotation angle (α), the loading amount of rush bundles (M) can also be adjusted.

Hydraulic cylinder for raising and lowering the sub-deck (29)
(32) and the hydraulic cylinder (14) for raising and lowering the work frame (12) are shown in FIG.
It goes without saying that the levers 5) are operated separately from the driver's cab (25). (36) is a hydraulic pump that pumps hydraulic fluid to the two types of hydraulic cylinders (14) and (32), and the engine ( 16). (
37) are still two types of hydraulic cylinders (14) (32
), and like the pump (36), it is fixedly installed on the truck frame (11). (38) and (39) indicate the oil feed pipes, respectively.

(40) is a series of working mechanisms (A) to (G) mentioned earlier.
This is a primary power distribution shaft for inputting working power to the work frame (12), and is supported at a position biased to the left side (uncut side) of the work frame (12). This primary power distribution shaft (40)
．． As is clear from FIG. 3, it is horizontally suspended parallel to the horizontal axis (13) and the intermediate axis (18), and is located in front of the horizontal axis (13).

The primary power distribution shaft (40) and the intermediate shaft (1)
The front and rear of the engine (11) are electrically connected to each other via a relatively long and endless third transmission bell (41), so a single engine (11) mounted on the truck frame (11)
16), the primary power distribution shaft (40) is rotationally driven. In that case, as suggested from Fig. 1.9, the pulley (4) for hanging the third power transmission belt fitted to the outer (left) shaft end of the primary power distribution shaft (40)
2) is a pulley (
It is dimensioned to be considerably larger in diameter than the (illustrated reference numeral omitted).

(43) is inside (right side) of the above primary power distribution shaft (40)
The first bevel gear mechanism is integrated into the shaft end (this is indicated by a gear case in the figure, and the same applies to the second to sixth bevel gear mechanisms described later).
From now on, as shown in Figure 8.9, the transmission shaft (44) will stand up toward the upper clamping and conveying mechanism (C), and the converging and conveying mechanism (F) and binding mechanism (G) will also be located on the right side. A power transmission shaft (45) horizontally mounted toward the center is set out in a distributed state.

Similarly, a working transmission (46) is also interposed at an intermediate position of the primary power distribution shaft (40), and a power transmission shaft ( 47), the weeding mechanism (A), the pulling mechanism (B), and the reaping mechanism (
The power transmission shaft (4 days) which is used for all three of D) is distributed and horizontally suspended parallel to the primary power distribution shaft (40) itself.

In other words, the work frame (12) forming the front part of the aircraft (10)
) A series of working mechanisms (A
) to (G) are powered by the engine (16) mounted on the truck frame (11) which also forms the rear part of the aircraft (10).
They are all driven via the primary power distribution shaft (40).

At this time, the tension roller (49) that contacts the third power transmission belt (41) from below is mounted on a shaft on the fixed track frame (11) side, and the tension roller (49) contacts the third power transmission belt (41) from below.
12) around the fulcrum of its horizontal axis (13), based on the existence of the above-mentioned constant distance (d), its tension roller (49) moves away from the third transmission bell) (
41) floats and relaxes as shown in Figure 4, and its transmission function is automatically released. Even if the work clutch lever, which will be described later, is operated to the engaged state for transmission, when the work frame (12) is raised,
This means that the transmission function is cut off. Therefore, it is possible to effectively prevent unexpected personal accidents while not working.

The above working mechanism (A) to (G) imparts a series of actions to rushes.
), first of all, regarding the rush pulling mechanism (B), it is biased to the front end position on the left side (uncut side) of the work frame (12), and is paralleled in a rearward tilted state at a certain angle. A pair of inner and outer (right and left) drawer chenoke cases (50)
(51) and an endless lifting ceno (52) (5
3), and a large number of raising claws (5) pivotally attached to each of the chenos (52) and (53) at regular intervals and movable.
4) (55), and its raising claw (54) (
When 55) moves upward, the Cheno case (50)
It overhangs from (51) and raises the rushes as if combing them by itself.

(S) is a rush-drawing passageway formed between the two facing cheno-cases (50) and (51). (50) are arranged in parallel in the open leg state as shown in FIG. 2, so that they form a substantially right-angled triangle when viewed from the front. However, both chain cases (50) (5
Of course, it is also possible to divide 1) into a raised passageway (S) that opens in a V-shape when viewed from the front by opening the legs equally.

And in any case, the inner Cheno case (50)
has a raised ceno (52 cm) over its entire vertical length.
) is built in such a way that it rotates, whereas a hoisting chain (53) that rotates only in its lower half is housed inside the outer chain case (51), and both of its chains ( 52) The raising pawls (54) and (55) of (53) are arranged in a staggered manner and rotate upward in an orderly manner.

In other words, the pulling passage C5), which opens in a triangular or V-shape when viewed from the front, is located at the point where the stock cutting action 11 (W) by the clipper blade of the cutting mechanism (D) is the bottom, so to speak. Both raising claws protrude in an intricate manner (
54) The lifting action limit (P) of (55) is positioned at the midway height of both chain cases (50) and (51). Moreover, the width of the reaping action at the bottom (W)
This corresponds to two rushes, and while the two rushes are being raised all at once, they can eventually join together from the tip side.

(56) is a secondary power distribution shaft which is installed at a rear position of the outside lifting cenocase (51) in an inclined state that is substantially parallel to this and rearwardly upward, and its lower end is connected to the above-mentioned weeding mechanism (A> 3, the pulling mechanism (B) and the reaping mechanism (D).
the second bevel gear mechanism (57) to the transmission shaft (48) which is also used for
The clipper blade (59) that forms the reaping mechanism (D) moves in a straight line in the left-right direction by the transmission shaft (58) that extends downward from the second bevel gear mechanism (57). It is designed to move back and forth.

The clipper blade (59) is connected to the work frame (12) in a state where the clipper blade (59) crosses behind the lifting path (S).
As mentioned above, the cutting width (W) of the stem base is equivalent to two rows of rush.

On the other hand, at the upper end of the secondary power distribution shaft (56) there is a third bevel gear mechanism [(60) and a fourth bevel gear mechanism (61) located on the inside (right side) thereof, as in the 8th FyJ. Detour transmission shaft (
The transmission shaft (63) protrudes forward from the fourth bevel gear mechanism (61), and the 41 raised chino (52) in the inner chino case (5o) is
) is driven in rotation.

(64) is the fifth bevel gear mechanism that is also assembled at the mid-height position of the secondary power distribution shaft (56), and from now on, the transmission shaft (65) that also projects forward is connected to the outer Cheno case ( The lifting chino (53) inside 51) is rotated. It goes without saying that the inner and outer pairs of the raising chinos (52) and (53) rotate synchronously in the above-mentioned alternating and intricate state.

(66) is the lifting claw (54) of the lifting mechanism (B).
) (55) This is a blower device that assists the raising action of rushes and quickly straightens the rushes to the tip side, and the rotational driving force of the blower fan (67) is
It is adapted to be taken out from the outer (left side) shaft end of the secondary power distribution shaft (4o).

That is, in FIG. 10, which is extracted and enlarged, the suspension pulley (42) of the third power transmission belt (41) is
It is a transmission pawl plate that is fitted into the transmission pawl plate so that it can be freely inserted and removed from the lateral outside and rotated integrally with the transmission pawl plate, and is provided with a support shaft (69) that projects laterally from the center thereof.
(70) is the rotation support shaft of the blower fan (67) facing this, and the blower fan (67) is connected between the inner and outer sides.
67) speed increasing gear mechanism (71) is installed.

The speed increasing gear mechanism (7I) allows the blower fan (
67) Although it is made as small and lightweight as possible, it is still able to generate high-speed, high-intensity wind power.

(72) is the gear case (73) of the speed increasing gear mechanism (71)
side pillars (74) for installing on the work frame (12);
) is a fan case that is fixedly integrated into the case (73), (75) is a mesh-type air inlet opening in the center, and a safety cover (76) is attached from the side outside.
covered by. (77) is a fan case (
74), and as is clear from FIG. 1, it extends along the left side end of the work frame (12) and slopes downward at a constant angle. Also, an air jet nozzle (78) at the front end of the lower part.
is in an open state pointing toward the grass to be raised from a position immediately in front of the outer lifting chain case (51).

In other words, the air jet nozzle (
78) is fixedly supported on the outer grass cutting sled of the grass cutting mechanism (A), which will be described later, and is oriented almost directly above when viewed from the side as shown in Figure 11, and at the same time when viewed from the front. Sometimes, as shown in Figure 12, the inner lifting chain case (50)
It opens diagonally upward, intersecting the

Therefore, the rush is attached to the lifting claw (54) of the lifting mechanism (B).
Just before it gets caught in (55), the blower fan (
67), the air jet quickly rectifies the rush into a vertical state, and also ensures that the entanglement on the tip side is separated, and that the two rushes are pulled up without omission. Despite this, there is no risk of damaging the stem culm.

(79) is a blowing guide plate that receives and stops the air jet from the air jet nozzle (78) and guides it upward reflectively, and extends along and approximately along the inner lifting chain case (50). The splint is fixed to the lower half as a forward-looking projection at a constant height. Therefore, as shown in Figure 12, the air jet that hits it is refracted upwards, without any loss. It will be used to raise rushes, and its efficiency can be significantly increased.

Next, the rush weeding mechanism (A) moves adjacent rows of rushes to be planted from the field prior to the raising action by the raising claws (52) (53) of the above-mentioned raising mechanism (B). Therefore, it is installed at the frontmost position on the left side (uncut side) of the work frame (12), and its structure is as shown in Figs. 13 to 15 in the case of the present invention. There is.

That is, in the same figure, which shows the details of the weeding mechanism (A) enlarged, (80) and (81) are the clipper blades (59).
A pair of parallel inner and outer (right and left) weeding sleds that define the cutting action width (W) at the base of the work frame (12). The above-mentioned inner lifting chain case (50) is fixedly supported on the branching bridge (80), and the lower end of the outer lifting chain case (51) is fixedly supported on the outer branching bridge (81). .

Moreover, the grass on both sides (80) (81) is in a horizontal state along the ground, and the raised chain case (50) (
51) extends a certain distance ym <z> further forward, and a rush introduction guide rod (82) is integrally bent up from the front end of the inner weeding sled (80). On the other hand, a divider (83) is fixedly installed at the front end of the outer weed sled (8I). In that case,
While the inner grass divider (80) is in the form of a relatively wide flat plate, the outer grass divider (81) is bent into a 0-shaped cross section with an upward opening.

(84) is a support stay that is integrally erected from a position near the front end of the outer weeding sled (81) so as to be hidden behind the weeding arrow (83), with the front curved upward. As is clear from Fig. 14, there is a cross-shaped universal joint (85
) are integrally welded together. (87
) is a cross-shaped universal joint (8
5), which is fitted over the support shaft (86) and assembled and fixed by a through pin (88).

Further, (89) is a crankshaft that is supported through the outer lifting chain case (51) at a mid-height position, intersecting with the chain case (51) in an upwardly inclined state, and is supported by a plurality of bearings (90). ) is rotatably supported. (91) is its bearing case, which is fixedly supported by the outer lifting chain case (51). In other words, the chain case (51) is utilized as a support supporting the crankshaft (89).

(92) is a sixth bevel gear mechanism installed between the upper and lower sides of the third bevel gear mechanism (60) and the fifth bevel gear mechanism (64) in the secondary power distribution shaft (56), Thereby, the rear upper end of the crankshaft (89) and the secondary power distribution shaft (56) are transmission-connected. Therefore, the crankshaft (89) is then inserted into the engine (16) from above.
) will be rotationally driven.

At this time, the rotational axis (Y - Y) of the crankshaft (89) is raised at a certain angle (β) that is gentler than that of the lifting chain cases (50) (51), and therefore, as described below, The sorting rods are designed to quickly divide into the rushes in the field. (93) is an oscillating crank portion forming the lower front end of the crankshaft (89), and the rotation axis (
Y - Y) is continuously extended and bent by a certain amount of eccentricity (amplitude) (X).

The oscillating crank portion (93) of the crankshaft (89) and the support stay (84) of the outer branch Ik (81) are as follows:
They face each other at a constant distance, and a rush sorting rod (94) made of a hollow straight pipe made of highly rigid synthetic resin or metal is interposed between the upper and lower sides. In other words, the distribution rod (94) has a diameter of about 10 cm, which is thicker than the oscillating crank part (93) of the crankshaft (89), and the lower front end of the distribution rod (94) has a so-called raised bottom type fixed cap (95). ) is occluded by

(96) is a mounting shaft integrally welded to the cap (95), which is the mounting shaft (96) of the fixed yoke (87).
86). (97) is a cross-shaped universal joint (
85), which is fitted onto the above-mentioned mounting support shaft (96) and is also assembled integrally with a through pin (98). (99) is the swinging yoke (97)
) and the fixed yoke (87).
97) are pivotally connected in a cross shape.

Therefore, the lower front end of the distribution rod (94) only performs a swinging motion as if bent by a certain angle (γ) around the pivot point with the support stay (84) provided by the above-mentioned universal joint (85). There is no risk of it rotating; if we compare it to the movement of a human body, its face remains facing forward (in one direction), and it only revolves as if being swung around from its neck.

Therefore, a cruciform universal joint (
If the number is 85, you can use a dice-shaped piece instead of the above-mentioned Cross Spy Goo (99) and both yokes (87) (9).
7) and a cross bin for pivotal connection to the yokes (87) and (97).
), which acts as a dust-proofing agent.

On the other hand, the rear upper end of the distribution rod (94) is fitted onto the oscillating crank portion (93) of the crankshaft (89), and is loosely supported by a bearing (101). (102) is a bearing case fitted and fixed to the distribution rod (94), (103) (104
) is a retaining ring for the shaft circumference and Okawa, and (105) is a cover plate that closes the rear upper end of the distribution rod (94), and is integrally extended from the oscillating crank portion (93).

As mentioned above, the sorting rod (94) is pivotally supported at its lower front end to the support stay (84) of the outer weeding sled (81) via the cross-shaped universal joint (85), and also at the upper rear end. At the end, the bearing (101) is fitted into the oscillating crank part (93) of the crankshaft (89), so that the crankshaft (89) itself is aligned with its rotational axis (Y-Y). ), the distribution rod (94) draws an overall tapered conical motion locus that intersects its rotation axis (Y - Y) by a certain angle (γ), and only performs a revolution action. We will carry out
The rushes can be reliably divided, and uncut rushes lying down in the field are also raised.

In that case, the distribution rod (94) is inserted as a hollow straight pipe between the upper and lower parts of the oscillating crank part (93) of the crankshaft (89) and the support stay (84) in a stable assembled state. Since the rotational driving force of the crankshaft (89) itself is directly generated as the revolving force of the distribution rod (94), there is no transmission loss at all. Even though the rushes are tightly intertwined with each other, and the two rushes are subjected to the shedding action all at once, they are able to withstand the entanglement and separation resistance, and their orbital motion is always as shown in Figure 16. It draws a perfect circle with the correct cross section, and there is no risk of improper deformation.

This is due to the fact that the distribution rod (94) is thick in terms of the diameter shown above. The rod (94) has a large surface area (T
), there is no risk that the rushes will stick to it, and the contact surface area (T) with the rushes is large.
On the contrary, since the contact pressure is small, damage to the rushes is effectively prevented.

Furthermore, as mentioned above, the air blowing nozzle (78) of the blower device (66) is also exposed in front of the outer lifting chain case (5I), so the air blowing nozzle (78) is exposed as shown in Fig. 11.12. Due to the synergistic effect of the air jet and the revolving sorting rod (94), rushes can be divided and raised more efficiently and completely.

In addition, in the figure, the air jet nozzle (78) is connected to the outside grass dividing sled (8).
1) and the outer lifting chain case (51), but while being located within the above-mentioned certain distance (J), towards the area where the distribution rod (94) revolves. As long as the air jet can be blown up, the air jet nozzle (78) may be disposed at a position forward of the illustrated intersection.

Also, prior to raising the rush using the raising claws (54) and (55), the rush is treated with water. ft action is also applied. (106) (107) is a pair of inner and outer (right and left) water jet nozzles that form the lubricating device (108), and is connected to the lifting chain case (50).
(51) and the weeding sled (80) (81). The pair of water jet nozzles (106) and (107) are located directly in front of the lifting chain cases (50 and 51), and are fixedly supported by the splitters 41 (80) and (81), respectively.

In that case, the outer water jet nozzle (107) faces the position just before the air jet nozzle (78), but in any case, the rain water jet nozzle (106) (107)
．． Like 18FyJ, they are oriented almost directly above when viewed from the side, and when viewed from the front, they open diagonally upward so that they are parallel to each other in a V-shape.

A water stream is pumped toward the rush from the fresh water jet nozzles (106) (107), which wets the stem culm with condensation and acts as a lubricant to eliminate the cause of damage. The purpose is to actively participate in the weeding and raising action of the rushes by spraying them as a water jet in a manner that squeezes the rushes up from the plant side.

(109) is a water storage tank removably installed in the cab (25) of the aircraft (10), and this and the rainwater spout nozzles (106) (107) are connected to a water supply pipe (110) such as a flexible hose. ) are connected in communication.

The water pipe (110) is connected to the fuselage (10) as shown in Figures 1 to 3.
along the left side end of the track frame (11) and the collar work frame (12), and a pair of branching joints (80) ( 81) through the both water spout nosuru (10
6) It is piped in a branched manner to (1°7). (112
) is a branching support protruded downward from the front end of the work frame (12) for smooth branch piping to the inner branch m (80).

(113) (114) (115) These are electromagnetic valves, pumps, and their driving motors, which are also installed in the middle of the water supply pipe (110), and as is clear from the control circuit in Fig. 19, The lever is operated by the operator from above the driver's cab (25).

In other words, when applying the lubricating effect of water to rushes, the electromagnetic valve (113) is left open and the pump (113) is left open.
114), the main switch (116) is turned on, and the work is started in order to transmit the working power from the engine (16) to a series of working mechanisms (A) to (G). While operating the clutch lever (117), turn on the interlocking switch (118) for work 1@fji (A) to (G), and turn on the tank (10).
9) is pumped to the rainwater spouting nozzles (106) and (107) by operation of the pump (114).

If such a control circuit is adopted, the main switch (1
16) by keeping it in an OFF state in advance,
It is also possible to harvest rushes without using the lubricating device (10B).

In this regard, in the figure, in order to be able to replace the water storage tank (109) itself, the water supply pipe (110) is removably inserted into the tank (109), and the water intake valve (1
19), but it is also possible to connect and integrate the water supply pipe (110) and the water storage tank (109) in advance so that only water can be replenished into the tank (109). Good, the above electromagnetic valve (113)
This is to prevent the natural suction of water due to siphon action. (120) indicates a battery.

The rushes that have been subjected to the weeding action and the raising action as described above pass through the raising passage (S) in a merging state, and are transferred to the tip-side pinching and conveying mechanism (C) behind it as shown in Fig. 20. It is automatically retracted and introduced, and as soon as the tip side is caught, it is cut by the clipper blade (59) of the stock cutting mechanism (D).

Then, the harvested rush is lifted and transported to the rear of the machine (10) with its tip side being clamped by the clamping and transporting mechanism (C). By the horizontally suspended goose sorting mechanism (E), the root side of the stock is taken out and conveyed laterally as shown in Figure 21.22, and the entire head is turned sideways into a curved state with the pinching position of the head side as the fulcrum. It will be done.

The stem side of the rush, which has been turned to its side, is then automatically picked up by the converging conveyance mechanism (F) on the bundling bed (23) and introduced directly into the bundling mechanism (G) at the rear position. The binding mechanism (G) acts as a binding mechanism. At the time of binding, the tip side of the rush is released from the clamping state by the clamping and conveying mechanism (C), and is released from the binding bed (23) to the main deck (24) as rush east (M). , kept in its loaded state. As mentioned above, rush bunches (M) can also be loaded on the sub-deck (29).

In addition, in the figure, as a rush harvester for mowing two rows, the lifting path (S) is constructed by installing the lifting cheno cases (50) and (51) of the lifting device (B) in parallel with the legs open.
The opening is triangular or F-shaped when viewed from the front, but as long as the passage (S) is a wide opening without a partition and two rows of rushes can be introduced into it in a merging state, it is difficult to raise the opening. A pair of chenokase (50) (51) may be arranged in parallel upright position; in either case, the water jet nozzle (106) (107) can be used as a double weeding sled (80). (81) can be fixedly installed only on one side.

Also, use the raised cheno case (50) (51) as one piece only on the inside, and raise the outside one to create a chino case (52).
By forming it into a mere guide post without a built-in
It is also possible to implement the present invention for cutting a single row of rush. In that case, the bearing case (91) of the crankshaft (89) will be fixedly supported by the guide column. Also, water jet nozzles (106) (107
) is fixedly installed on one or both of the ryobakusagi (80) and (81).

Furthermore, it goes without saying that the present invention can also be applied to a walking-type rush harvester in which the installation of a driver's cab (25) is omitted.

<Effects of the Invention> As described above, in the present invention, the weeding mechanism (A) of the rush harvesting machine
As a result, the aircraft (1o) is sent forward with the branch bridge (81).
), a rush arrow (83) and a support stay (84) hidden behind it are fixedly installed, and a rush raising cheno case (5I) that rises from the middle part of the rush arrow (83) is fixed. At a mid-height position, the crankshaft (89) is raised and supported in an upwardly inclined state where it intersects with the chenoke case (5I), and a certain amount of eccentricity (X) is attached to the lower front end of the crankshaft (89). Swinging crank part that extends and bends (9
3) facing the support stay (84) at a constant distance, and from the crankshaft (89) to the upper and lower spaces between the oscillating crankshaft (89) and the support stay (84). A rush distribution rod (94) made of a thick hollow straight pipe is interposed, and the lower front end of the distribution rod (94) is pivotally connected to the support stay (84) by a cross-shaped universal joint (85). Swing the upper rear end of (94) to the crank part (93)
Then, fit the bearing (101) in a loose state and insert the engine (work 6) onto the crankshaft (89) from the upper rear.
When a rotational driving force of Since it is set to perform only the revolution action while drawing, W! This has the effect of completely solving the problems of the prior art described in Section I with a simple and necessary configuration.

That is, in the case of the present invention, the rush sorting rod (94) is made of a hollow straight tube that is thicker than the crankshaft (89), and the lower front end of the rush sorting rod (94) is freely connected to the support stay (84) of the outer grass dividing It (81) in a cross shape. While being pivotally connected by the joint (85), the loose bearing is also fitted into the oscillating crank part (93) of the crankshaft (89) via the bearing (101) at the upper rear end. Therefore, as soon as the crankshaft (89) is rotationally driven, the distribution rod (94) performs only a revolution action while drawing a downwardly tapering conical motion trajectory around its rotation axis (Y-Y). As a result, not only can rushes in the field be divided smoothly, but even rushes that are tightly intertwined with each other can be reliably separated without being defeated by the entanglement and separation resistance. It can be done.

In addition, the rotational driving force of the crankshaft (89) itself is utilized as the revolving force of the distribution rod (94), and the distribution rod (94) is made of a thick hollow straight pipe. Since it is mounted on a bearing so that it does not rotate, its large surface area (T) comes into contact with the rushes, and there is no risk of the rushes getting stuck to it.On the contrary, the contact pressure is small, so it may cause damage to the rushes. There's no fear,
The orbital movement trajectory of the distribution rod (94) is also the second
Rather than being improperly deformed into an elliptical cross-section as shown in Figure 3, it always draws a perfect circular cross-section as shown in Figure 16, which means that its durability is also significantly improved.

Furthermore, the sorting rod (94), in its straight pipe form from the beginning, is used as it is between the upper and lower parts of the oscillating crank part (93) of the crankshaft (89) and the support stay (84) of the weeding sled (81). Because it is integrated into the assembly, the assembly work can be done extremely efficiently and easily, and since no unreasonable force or uneven friction is generated at both ends of the distribution rod (94), it is extremely stable as a welding mechanism. However, there is no risk of premature deterioration.

In particular, if the structure of claim 2 is adopted, the distribution rod (
Due to the synergistic effect of the revolving movement of 94) and the air jet from the air jet nozzle (78), rushes can be separated and raised even more efficiently.

Furthermore, as is clear from the illustrated embodiment, a lubricating device (108) is installed at a position just in front of the picture lifting chain case (50) (51).
)'s water jet nozzles (106) and (107) are also visible.
If we project a water jet onto the rushes from now on, the straining force of the water will also be able to participate in separating and raising the rushes, and there is also the risk of damaging the rushes, as with the air jets mentioned above. Therefore, it can be said that it is even more effective.

[Brief explanation of the drawing]

1 to 3 are a side view, a front view, and a plan view schematically showing the rush harvesting machine according to the present invention, and FIG. 4 is an overall side view showing the lifting operation state of the work frame corresponding to FIG. 1. , 5th
．． Figure 6 is a partially enlarged rear view showing the loading and unloading states of Igusa Higashi, Figure 7 is an explanatory diagram showing the control circuit of the hydraulic cylinder for lifting and lowering the work frame and the hydraulic cylinder for hoisting the sub-deck. Figure 8.9 is a rear view and plan view showing the transmission system to the working mechanism, Figure 10 is a partially enlarged cross-sectional view showing the installed state of the blower, and Figure 11.12 is the blowing effect of the air jet on rushes. Fig. 13 is a side sectional view showing the weeding mechanism extracted, Fig. 14 is a partially enlarged sectional view, and Fig. 15 is a transmission system between the crankshaft and the primary power distribution shaft. Fig. 16 is a front view showing the weeding action, Figs. 17 and 18 are side views and front views showing the ejection action of the water jet on rushes,
Fig. 19 is an explanatory diagram showing the control circuit of the rush l'lI sliding device using water, Figs. 20 to 22 are side views, front views, and plan views showing a series of effects on the rushes, and Fig. 23 is 16th
FIG. 2 is a front view showing the weeding action of the prior art corresponding to the figure. (10) ... Airframe (16) ... Engine (50) (51) ... Lifting chain case (6
7)...Plower fan (78)...Air jet nozzle (80) (81)...Grass cutting sled (83)...Grass cutting arrow (84) ・ ・ ( 85) ・ ・ (89) ・ ・ (93) ・ ・ (94) ・ ・ (101) ・ ・ (T) ・ ・ (Y-Y) (X) ・ ・ (β) (γ) ・Support stay/cross Flexible joint, crankshaft, oscillating crank part, distribution rod, bearing, contact surface area, axis of rotation, eccentricity, constant angle Fig. 12 Fig. 7511 Fig. 76 Fig. 78 IC) 6 1U/

Claims (1)

[Claims] 1. A weeding arrow (83) and a support stay (84) hidden behind the weeding arrow (83) are fixedly installed at the front end of the weeding sled (81) sent forward from the fuselage (10), Therefore, the crankshaft (8
9) in an upwardly inclined state intersecting with the raised chain case (51), and the crankshaft (89)
A swinging crank part (93) that extends and bends by a certain eccentric amount (X) is attached to the support stay (84) at the lower front end of the support stay (84).
A rush sorting rod, which is a hollow straight pipe thicker than the crankshaft (89), is installed between the upper and lower sides of the swinging crankshaft (89) and the support stay (84). (94), the lower front end of the distribution rod (94) is pivotally connected to the support stay (84) by a cross-shaped universal joint (85), while the upper rear end of the distribution rod (94) is also pivoted. Crank part (93)
Then, the engine (16) is fitted loosely through the bearing (101) and connected to the crankshaft (89) from the upper rear side.
When a rotational driving force of A rush harvester's weeding mechanism is characterized in that it is set to perform only a revolution action while drawing. 2. An air jet nozzle (78) is fixedly installed in an upwardly opening state between the front and back of the grass cutting arrow (83) and rush raising chain case (51) in the grass cutting sled (81), and the nozzle is (78) is connected to the blower fan (67) mounted on the fuselage (10), and the fan (67)
) The rush harvesting machine according to claim 1, characterized in that the wind force generated by the rush is set as an air jet and blown up from the nozzle (78) toward the revolving action area of the distribution rod (94). Grass organization.