JPH0137388Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a grain culm lifting device in the reaping section of a combine harvester.

That is, at least a pair of left and right lifting cases each having tines that protrude and move in the lateral direction are installed diagonally, and one of the lifting cases is placed horizontally so that the interval between the pair of lifting cases is larger at the bottom than at the top. In the case where the grain culm is tilted in the direction and can receive two rows from the front of one of the lifting cases, even when the grain culm is lying down, the lifting can be done reliably to prevent the culm from spilling. We provide what we can.

Next, the embodiment shown in the drawings will be described.

In Figs. 1 to 6, Fig. 1 shows a front view of the front part of the reaping section of the combine harvester, and shows a double-drawing case each having tines 1a and 1b that protrude and move laterally from the lower part to one side. 2a and 2b are installed diagonally, but the lower part of one lifting case 2b is widely separated from the lower part of the other lifting case 2a, and a dead zone A is created between the lower parts, and the dead zone A is retracted on the upper side. One of the lifting cases 2b is tilted laterally so that the tips of the tines 1a and 1b are brought closer together, and power is transmitted from the transmission pipe 7 extending from the lower side of the reaping part to the upper part of both lifting cases 2a and 2b. It is installed so that power is transmitted to both lifting cases 2a and 2b from a transmission case 8 spanning the rear, and a grass dividing plate 9 is installed diagonally in front of the lower part of one lifting case 2b.

In addition, in front of the side part of one of the lifting cases 2a, there is a splitting lifting case 4b, and both lifting cases 2a,
A grass raising case 4a is installed obliquely in the front between 2b, but both grass raising cases 4a and 4b
Tine 3 facing forward from the bottom to the front of the
It is constructed in the same manner as the conventional structure so that a and 3b can protrude and move, and grass dividing plates 10 and 11 are respectively protruded from the lower front of both grass raising cases 4a and 4b. There is a transmission pipe 1 between the upper parts of the
2, and a chain sprocket 13 is installed between the upper side of one of the splitting case 4b and the end of the transmission case 8.
It is configured by transmission-coupled.

A small auxiliary lifting case 6 that is short in the vertical direction is installed diagonally so as to face the dead zone A a little further back than between the lifting cases 2a and 2b. The input gear box 15 is installed diagonally so that the side of the tines 5 that protrude in the direction faces the lower side of the lifting case 2b, and is connected to the lower front surface of the auxiliary lifting case 6, and the lower part of the dividing lifting case 4a. A transmission chain case 16 is connected to the side surface for transmission, and a stay 17 is installed between the grass raising case 4a and the upper part of the auxiliary raising case 6 so that they can be connected and supported. Configure.

In the figure, A, B, H, D, and H indicate the loci of motion of the tines 1a, 1b, 3a, 3b, and 5, respectively, F indicates a stock, and 18 indicates a cutting blade.

Further, FIGS. 7 and 8 show another embodiment, which is indicated by the same reference numerals as the embodiment described above and has a substantially similar structure, but one of the lifting cases 2b is inclined laterally, and both cases 2a are , 2b are widely separated from each other, and the auxiliary lifting case 6 is arranged obliquely in line with both the lifting cases 2a and 2b in the dead zone.

In addition, the double-legged raising cases 4a, 4b and the auxiliary raising case 6 can be made detachable, and one of the raising cases 2b can be freely rotated around the upper part.
Furthermore, it is also possible to provide a configuration in which a 4-row mowing can be performed by installing a lifting case diagonally on the side.

Therefore, as shown in FIG.
If you look at the two rows of stock between the two weeding plates 9 and 10 in front of the weeding case 2b, you can see the two weeding cases 4a and 4.
The tines 3a and 3b of b will raise the planted grain culm to lie down laterally, and while the tine 1a will raise one row, the tines 1b and 5 will raise two rows, and so on. This allows for multi-row mowing.

In this case, the lifting case 2b is tilted laterally and the two strips are largely pulled up, but the lower parts of both lifting cases 2a and 2b are separated by a large distance due to the inclination, so both lifting cases 2a and 2b are A so-called dead zone is formed in which neither of the tines 1a, 1b can act on the grain culm.

When the grain culm is upright, either of the tines 1a, 1b of both lifting cases 2a, 2b can act on the grain culm at a position above the dead zone, so the grain can be pulled up while loosening the tangles of the ears. can be done.

If the grain culm is lodging, weed raising case 4
The tines 3a of the grain a act to raise the grain culms that lie down in the horizontal direction, but an auxiliary raising case 6 is interposed in the dead zone, and the tines 5 of the case 6 act to raise the grain culm that is lying down in the horizontal direction. Since it is moving protrudingly in the direction of the case 2b, the tines 5 also act on the lodging grain culm that is being raised by the tines 3a in the dead zone, supporting the lodging grain culm while loosening the tangles of the culm. It helps raise the culm, so even in the dead zone,
The culm can be raised without spilling, and both can be transferred to either of the tines 1a and 1b of the lifting cases 2a and 2b.

In particular, since the small auxiliary lifting case 6 is provided at the rear of the splitting lifting case 4a and at a rear position than the lifting cases 2a and 2b in side view, the tines 5 of the small auxiliary lifting case 6 When the grain moves upward and no longer acts on the lodging grain culm, it is raised on the side of the stock base, causing case 2.
Since one of the tines 1a and 1b of the tines a and 2b always acts, it is possible to reliably receive the action of the protruding moving tine in the lateral direction and to make it work continuously, so that the lodging grain culm due to a break in the action of the tines can be avoided. It is possible to prevent the grain from falling back down, and it is possible to reliably raise the grain culm without spilling it.

As described above, the present invention provides at least a pair of left and right lifting cases having laterally protruding tines, and one of the pair of lifting cases is arranged such that the interval between the pair of lifting cases is larger at the bottom than at the top. In the reaping section of a combine harvester that is constructed by installing a raising case inclined laterally, a weed cutting case having tines that protrude and move forward between the pair of raising cases is installed at an angle. In addition to establishing
A small auxiliary lifting case having tines that protrude and move toward the tilted lifting case at the rear of the splitting lifting case and at a position rearward of the lifting case in side view. Since it is arranged diagonally, it has the following effects.

Since two rows of grain culms are received from the front of one of the horizontally inclined raising cases, three rows of grain culms can be harvested with two raising cases.

Furthermore, even when the grain culm is lying down, the tines of the small auxiliary raising case assist in raising the culm in a so-called dead zone where the lower portions of both raising cases are far apart, thereby preventing the culm from spilling.

In particular, since the small auxiliary lifting case 6 is provided at the rear of the splitting lifting case 4a and at a rear position than the lifting cases 2a and 2b in side view, it is possible to stop the tines that protrude in the lateral direction. The grain culm can be operated continuously without falling, preventing the fallen grain culm from falling back, and making it possible to reliably raise the grain culm without spilling the culm.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a front view of the main parts, FIG. 2 is a side view thereof, FIG. 3 is a part of FIG. 1, and FIG. shows some of the
Figure 5 is a side view of a part of Figure 1, Figure 6 is a part of Figure 3, Figure 7 is a front view of another embodiment, and Figure 8 is a part of Figure 7. FIG. 1a, 1b... Tine, 2a, 2b... Raising case, 3a... Tine, 4a... Grass pulling case, A... Dead zone, 5... Tine, 6...
...Auxiliary trigger case.

Claims (1)

[Scope of utility model registration request] At least a pair of left and right lifting cases having tines that protrude and move in the lateral direction are installed diagonally, and one of the lifting cases is moved laterally so that the interval between the pair of lifting cases is larger at the bottom than at the top. In the reaping section of the combine that is installed at an angle, a weed pulling case having tines that project forward and move is installed diagonally in front between the pair of lifting cases, and A small auxiliary raising case having tines that protrudes and moves toward the inclined raising case is installed obliquely at the rear of the grass raising case and at a position rearward of the raising case in side view. A grain culm raising device characterized by comprising: