JPS5841800Y2 - reaper - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a reaping device that can be attached to a reaper of the type in which the entire pre-processing is pivoted to the body of the reaper so that it can be vertically swung and fixed at a rear fulcrum.

In conventional reapers, the blade of the reaping device is fixed almost horizontally to the pre-processing section of the machine body, and the entire pre-processing section is moved upward at the rear fulcrum in order to increase the cutting height. When rotated, the blade becomes horizontal or slightly tilted forward, and as a result, when the remaining part of the culm, which was cut while being pressed against the front side of the fuselage, elastically returns to an upright position immediately after reaping, the blade This had the disadvantage that it came into contact with the lower surface of the body and prevented its elastic recovery, increasing the movement resistance exerted on the lower surface of the blade and hindering the forward movement of the aircraft.

This invention solves the above-mentioned conventional problems by making the reaping device swingable and fixed up and down around the front fulcrum of the machine body, and by rationalizing the ground level and posture of the blade body. The purpose of the present invention is to make it possible to avoid as much as possible the movement resistance and mud adhesion caused by the residual shell culm after harvesting, and to enable smooth harvesting.

Next, embodiments of the present invention will be described based on the drawings.

To configure the combine harvester, a main body is constructed by attaching a threshing device 3 to a crawler type traveling chassis 2 equipped with a control section 1, and a culm pulling device 4, a culm reaping section 5, and a threshing device for threshing the reaped culm. A pre-processing part support frame 8 in which a pre-processing part consisting of the device 1 for conveying and supplying the feed chain 6 is extended forward from the main body.
At the same time, the entire pre-processing section is pivotally attached to the machine body at a rear fulcrum so that it can be vertically swung and fixed.Furthermore, a processing device 9 for threshing waste straw is attached to the rear of the main body, so that as the machine travels, Raising the planted culms, reaping, threshing of the 9 harvested culms,
This is to enable shredding and discharging of threshed waste straw.

As shown in FIGS. 2, 3, and 4, the reaping section 5 is equipped with a blade body 10 consisting of a fixed blade 10a and a movable blade 10b, and an arm 2 that is swing-driven.
0 constitutes a clipper type reaping device 11 in which the movable blade 10b is reciprocated in the longitudinal direction with respect to the fixed blade 10a, and the reaping device 11 is installed via the mounting frame 12 before the extension. It is attached to the treatment section support frame 8.

A position of the mounting frame 12 in front of the machine body relative to the blade body 10 is pivotally supported on the preprocessing section support frame 8 via a support shaft 13 that faces sideways to the machine body, and is mounted by swinging around the core of the support shaft 13. When the mounting position of the frame 12 with respect to the pre-processing part support frame is changed, the mounting position and posture of the blade body 10 with respect to the vehicle body part 8 change as shown by the imaginary line in FIG. The steep slope state shown in FIG. 4 is changed to the gentle slope state where the ground level is relatively low and the slope is steep, as shown by the solid line in FIG.

A swing lever 15 as an operating tool 15 is provided in the control section 1 and is connected to the rear part of the mounting frame 120 by a wire 14 that can be pushed and pulled, and a mechanism 16 for holding the operating position of the lever 15 is provided. , and by operating the lever 15 to swing the mounting frame 12,
The configuration is such that the attachment position and attitude of the separate body 10 can be changed, and the attachment position and attitude of the blade body 10 are fixed by swinging and fixing the first attachment frame 12 by operating the holding mechanism 16. It is.

As shown in FIG. 5, the lever holding mechanism 16 is configured such that the lever 15 can be bent around an axis 7 perpendicular to the operating axis X thereof, and a plurality of levers are used to engage and detach the lever 15 portion. The lever guide 18 is provided with notches 1T arranged in parallel in the lever operation direction, and a spring 21 is further provided to swing and bias the lever 15 in the direction of engaging the notch 17.

When the lever 15 portion is engaged in the notch 17, the lever 15 is prevented from swinging around its operation axis X circumference, and the vertical position of the blade body 10 can be maintained.

That is, when changing the cutting height of the planted culm, the attachment frame 12 is swung up and down by the lever 15 to change the attachment position of the blade 10 relative to the pretreatment section support frame 8 up and down, Then, the holding mechanism 16 is used to fix the position.

According to the above configuration, if the mounting position of the blade 10 is lowered in order to cut a relatively low part of the planted culm, the mud adhering to the culm and the mud flying as it travels will be deposited on the upper surface of the blade 10. However, since the blade 10 position is gently inclined and the upper surface of the blade 10 is also gently sloped, the mud adhering to the upper surface of the blade will be removed backwards as the aircraft moves forward. become more susceptible to

In addition, if the mounting position of the blade 10 is raised to cut a relatively high part of the planted culm, the blade 10 can be used to cut the planted culm 19 in front of the aircraft, as shown by the solid line in FIG. Since the culm is cut in a state in which it is suppressed and bent to the side, after cutting, the remaining portion of the culm 19a tries to elastically return to an upright position as shown by the imaginary line in FIG. 5, but as shown in FIG. As in, blade 1
If 0 is a gentle slope, the lower surface of the blade body 10 will also be in the inclined state, and the top of the remaining portion 19 will come into contact with the lower surface of the blade body, preventing the elastic restoration, so that the blade body 10 will be in a bent state. The resistance to movement caused by the restoring force of the remaining portion 19a becomes steep, but if the above structure is made to be in a steeply inclined state, the lower surface of the blade also becomes steeper, as shown in FIG. Since the required height S for elastic restoration can be formed as much as possible on the lower surface of the blade in the inclined state, the movement resistance exerted by the culm remaining portion 19a can be suppressed to a minimum.

Furthermore, according to the above-mentioned structure in which the mounting position and posture of the blade body 10 are changed according to the swinging of the mounting frame 12, the blade body 10 is moved vertically in parallel, and
Compared to a configuration in which the posture can be changed at each of the upper and lower positions, since it is only necessary to swing the frame 12, the structure and operation system for changing the mounting position and posture can be simplified.

In summary, the reaper according to the present invention includes a reaper in which the entire pre-processing section is pivoted to the machine body at a rear fulcrum so that it can be vertically swung and fixed, and the pre-processing section support frame 8 extends forward from the machine body. , the mounting frame 12 of the clipper type reaping device 11 is
The pre-processing section support frame 8 of the blade 10 of the reaping device 11 is attached so as to be swingable and fixed around the horizontal axis 13 of the machine on the front side of the machine body rather than the blade 10 of the reaping device 11. The mounting position and attitude of the vehicle can be freely changed between a relatively high and steeply inclined state and a relatively low and gently inclined state.

In other words, when cutting a relatively low part of a planted stem culm,
Mud tends to adhere to the lower part of the stem culm, and the blade is positioned close to the ground, so mud tends to adhere to the blade, so the blade should be kept in a steeply inclined position. If this is the case, the top surface of the blade will be steeply sloped at the front, making it difficult for the mud on the blade to be removed backwards as the machine moves forward, causing it to accumulate. There is a problem that causes trouble in driving the device.

However, if the blade is tilted gently as in the present invention, the top surface of the blade will also be gently sloped, making it easier to remove the mud on the blade backwards as the machine moves forward. We have been able to avoid drive problems as much as possible.

In addition, when cutting a relatively high part of a planted stem culm, it is recommended to keep the blade in a gently inclined position, as detailed in the examples.
Due to the fact that the lower surface of the blade forms a gently sloped front surface and that the planted stem culm is cut while being pressed and bent forward, the remaining stem culm portion after cutting and the lower surface of the blade are Due to the elastic restoring force of the residual stem part of the fc 1 which is in a bent state due to the abutment, the movement resistance of the blade body becomes large, resulting in a problem that may impede forward movement.

However, if the blade is tilted steeply as in the present invention, the lower surface of the blade will also be steeply sloped, and the contact between the remaining stem culm and the lower surface of the blade can be suppressed as much as possible, thereby eliminating the above-mentioned forward movement problem. I was able to avoid it as much as possible.

Therefore, according to the present invention, when cutting a planted stem culm at either its high or low parts, troubles caused by mud adhering to the blade body and movement resistance caused by the blade body from the planted stem culm can be avoided. We were able to avoid these troubles as much as possible, and we were able to reap smoothly.

[Brief explanation of the drawing]

The drawings show an embodiment of the reaping machine according to the present invention, in which Fig. 1 is an overall side view of the combine, Fig. 2 is a plan view of the reaping section, and Fig. 3 is a plan view of the reaping section.
The figure is a view from the ■-■ arrow in Figure 2, and Figure 4 is a side view of the reaping section.
FIG. 5 is a perspective view of the holding mechanism, FIG. 6 is an explanatory diagram of the operating state, and FIG. 7 is an explanatory diagram of the operating state of the comparative structure. DESCRIPTION OF SYMBOLS 1...Control unit, 8...Pre-processing part support frame, 10...Blade body, 11...Reaping device,
12... Mounting frame, 13... Shaft,
15... Operating tool.

Claims (1)

[Scope of Claim for Utility Model Registration] ■ A pretreatment system that extends forward from the main body of the machine, for a reaper in which the entire preprocessing section is pivoted to the body of the machine so that it can swing up and down and be fixed at a rear fulcrum. A mounting frame 12 for a clipper type reaping device 11 is attached to the section support frame 8 so as to be swingable and fixed around an axis 13 which is oriented laterally to the machine body on the front side of the machine body rather than the blade body 10 of the cutter body 11. By swinging, the mounting position and posture of the blade 10 with respect to the preprocessing part support frame 8 are changed to a relatively high state with a steep slope toward the front end and a relatively low state with a gentle slope toward the front end. A reaping machine characterized by a changeable configuration. (2) The reaper as set forth in claim (2) of the utility model registration, characterized in that the operating section 1 is provided with an operating tool 15 for changing the mounting position and attitude of the blade 10.