JPS61274612A - Threshing apparatus of usual combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a threshing device for a conventional combine harvester in which the entire amount of grain culm harvested by a reaping section is fed into a threshing section for threshing.

``Prior Art'' For example, Japanese Patent Application Laid-Open No. 183012/1984 describes a method in which the entire upper frame of a threshing section is slidably disposed and disassembled from the lower frame.

``Problem to be solved by the invention'' However, in the case of this method, since the entire upper frame, including the threshing part including the handling drum, can be removed, it is easy to inspect and clean the sorting part, etc. There is a drawback that it is not easy to remove or remove, let alone clean.

Means for Solving the Problems r" Therefore, in the present invention, the handling barrel cover of the threshing section is slidably provided in order to appropriately open the upper part of the handling barrel.

``Function'' According to the present invention, the structure is simple and the upper part of the handling barrel can be opened for easy handling and inspection, cleaning, etc., and stable threshing performance can be maintained. By partially opening only the upper part of the front end, it is possible to directly handle the grain culms from the opening, thereby safely and easily performing hand-boarding work on the harvested grain culms remaining in the field and a small amount of grain culms. I can do it.

``Example'' An example of the present invention will be described below based on the drawings. 1st
The figure is an explanatory cross-sectional view of the main part of the threshing section, Figure 2 is a side view of the whole, and Figure 3 is a plan view of the same. The machine to be equipped with,
(4) is a threshing unit that is equipped with a screw-shaped handling barrel (5) and a sorting mechanism (6) and is mounted on the machine stand (1); (7) is a threshing unit that takes out grain through a lifting cylinder (8); (4) is a grain tank for storing grain; (9) is a reaping unit that is installed in the front of the lower part of the threshing unit (4) so as to be able to be raised and lowered via a hydraulic cylinder (10); (11) is a driver's seat (12); and a driver's cab, which is equipped with a rotary operation section (13) and is fixedly installed in front of the grain tank (7); and (14) is installed behind the grain tank (7), and has an engine (15) installed therein. engine room, (1B)
is a grain delivery auger that takes out grains from the grain tank (7).

The reaping section (9) includes a grain header (17) that takes in uncut grain culms, and a supply unit that is connected to a substantially rear part of the header (17) to feed the reaped grain culms to the threshing section (0). The grain header (17) is configured with a chamber (1B), and an uncut grain culm raking reel (19), a reciprocating drive type cutting blade (20), and a grain culm raking drum (21) are placed in the grain header (17); The cuttings are taken into the header (17).

Further, on the left outer side of the threshing section (0), a second reduction cylinder (23), which is a grain conveying device, is provided in a protruding manner, so that the second processing material is returned to the upper part of the sorting mechanism (8) for re-sorting. It is set up in

As shown in FIG. 4, the screw-shaped plate body (5) includes a body part (24) having a length approximately equal to the threshing part (0 longitudinal length), and a body part (24) wrapped around the outer circumference of the body part (24) to form a radial shape. It is equipped with a screw blade (25) installed upright, and a stem culm scattering plate (2B) provided on the outer periphery of the rear end of the body (20), which pivots the screw-shaped handling body (5) in the longitudinal direction of the fuselage. death.

The front end of the handling barrel (5) is connected to the front inlet (2B) of the handling chamber (27) that communicates with the supply chamber (18), and the scattering plate ( 2B), a receiving net (30) is stretched under the handling cylinder (5), and the feeding chamber (
18), the whole amount of the harvested grain culm is inputted and threshed.

Also, a swinging sorting board (31) that constitutes the sorting mechanism (6)
, supporting the sorting board (31) so as to be swingable in the front-rear direction via swing links (32) and (33),
A feed pan (3) located below the front of the handling body (5).
4), a first chaff sieve (35) provided at the rear of the feed pan (30), a first sorting screen (38) provided below the chaff sieve (35), and the chaff sieve (35).
A sieve line (37) connected to the rear side and the sieve line (3
7) The second chaff sheave (38) provided below and the first and second grain plates (39) (40) are separated from the sorting ff1.
Prepare for (31).

Furthermore, a dust removal fan (41) that supplies sorting air to the upper surface of the feed pan (30), a karangine fan (42) that supplies sorting air to the first grain board (39), and a first grain board (39) 3
The second gutter (3) and the first conveyor (44) which receive the grain from the second flow grain plate (9) and send it to the grain lifting cylinder (8), and the second flow grain plate (
a second sorting fan (45) that supplies sorting air to the 4θ);
A second gutter (46) and a second conveyor (47) that send the second processed material, which is the reduced product from the second flow grain plate (40), to the second reduction cylinder (23), and the sorting board (31) ! It is equipped with a third port (48) facing the end and a dust suction/exhaust fan (49) installed diagonally above the rear of the second chaf sheave (3rd day) to transfer grain from the first gutter (43) to the tank (7). , second gutter (48)
It is configured so that the feed pan (30) is fed to the feed pan (30) at the return tAk'.

In addition, a tip collar (51) is installed on the rear end side of the handling barrel (5) where the handling barrel drive pulley (50) is provided, and the tip collar (51) faces the dust exhaust port (29). The stem culm released from the tip (29) is shredded and scattered by the brim (51).

By the way, the handling trunk cover (52) of the threshing section (4) is attached to the threshing machine housing (53) so as to be slidable back and forth, and the handling trunk cover (52) is attached to the threshing machine housing (53) as shown in the imaginary line in FIG.
2) is removably provided, and the machine housing (53
) The U-shaped guide rails (50) formed on both the left and right sides of the upper part fit and support the U-shaped sliding part (55) of the handling barrel cover (52), and guide the threshing part (4) for approximately the front and back length. Rail (54
) along which a handling cylinder cover (52) is slidably provided. At all times, the locking metal fittings (58) are attached to the handling cylinder bearing covers (511) (57) fixed to the front and rear of the threshing section (0).
The handling cylinder cover (52) is fixed in position via bolts (59) and the handling chamber (27) is hermetically sealed with the handling cylinder cover (52).

The present embodiment is configured as described above, and uncut grain culms are introduced into the grain header (17) via the reel (19), and the stock base of the uncut grain culms is cut by the cutting blade (20). At the same time, the supply chamber (
1B) through the grain culm raking drum (21), the reaped grain culm is fed to the threshing section (4) by the reaped grain culm supply chain conveyor (22), The grains are sequentially threshed by step (5), and while the grains are dropped by the sorting mechanism (8), they are sorted and only the grains are taken out into the grain tank (7).

Therefore, if the handling cylinder (5) is clogged with grain culms or when cleaning or inspecting the handling cylinder (5), slide the handling cylinder cover (52) forward or backward. Torso (5
) These operations can be carried out with the upper part partially or fully open, and the structure is simple and easy to handle, greatly improving work efficiency. By partially opening the upper part of the front end of the trunk (5), so-called hand board work can be performed by inserting harvested grain culms or a small amount of grain culms existing in the field through the opening.

(Although it is possible to feed the grain into the grain header (17), if there is a small amount of grain culm, the threshing section has the drawback that the conveyance to zero is uncertain, but there is also a danger when feeding.) Furthermore, the handling barrel cover (
A safety cover (60) is attached to the front right side of the front end of the handlebar (!3) as shown in the imaginary line in Figure 3, and when the handling barrel cover (52) is slid forward, the operating section (!3), especially the threshing clutch lever (B1) ), even if one forgets to stop the engine, the risk of turning on the threshing clutch lever (81) again and rotating the handling cylinder (5) is prevented.

FIG. 5 shows the handling cylinder bearing cover (56) supporting the grain charging hopper (63) via the strut (62), and the handling cylinder cover (52) being slid rearward to the front end of the handling cylinder (5). When the upper part is partially open, the hopper,
- The grain culm from (83) is passed through the open port (84) into the handling chamber (2).
7) It is constructed so that the threshing process can be carried out by cutting the grain into the grain, thereby improving efficiency in zero-hand board work, and therefore being highly adaptable to various types of work as well as being highly economical.

"Effects of the Invention" As is clear from the above embodiments, the present invention provides a structure in which the entire harvested grain culm is thrown into the threshing section (0) for threshing. Since the handling cylinder cover (52) is slidably provided in order to open the handling cylinder (52) as appropriate, the structure is simple and the handling cylinder (52) can be easily opened.
) Since the upper part can be opened, inspection and cleaning of the handling cylinder (5) can be easily performed, and stable threshing performance can be maintained. Remarkable effects include the ability to safely and easily perform cutting work on harvested grain culms and small amounts of grain culms existing in the field by directly handling the grain culms through the opening (B4). play.

[Brief explanation of drawings]

Figure 1 is a cross-sectional explanatory diagram of the threshing section, Figure 2 is a side view of the whole,
Figure 3 is an open plan view, Figure 4 is a partially enlarged sectional view of the threshing section,
FIG. 5 is an explanatory diagram showing another embodiment. (0... Threshing section (5)... Handling trunk (52)
・・ Handling trunk cover

Claims (1)

[Claims] A threshing device for an ordinary combine harvester, characterized in that the structure is such that the entire harvested grain culm is thrown into a threshing section for threshing, and a handling barrel cover of the threshing section is slidably provided so as to appropriately open the upper part of the handling barrel. .