JPS6016296Y2 - Walking combine harvester reaping device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a reaping device for a walk-behind combine harvester, which has a reaping section movable up and down in front of the threshing section and a driving operation section at the rear of the machine body.

Conventionally, as shown in Japanese Utility Model Application Publication No. 50-32737, there was a technology in which a confirmation mirror was installed at the front of the forklift truck so that it could move forward and backward, but the structure was such that the confirmation mirror was installed in front of the cargo only when necessary. It is necessary to manually change the support position of the confirmation mirror each time depending on the presence or absence of the fork or the raising and lowering of the fork. In particular, since the size of the cargo and the support height of the fork constantly change, the support position of the confirmation mirror must be changed. The setting range is wide, and it is difficult to simplify the operation of changing the support position.

However, the present invention incorporates a confirmation mirror on the back of the gate at the upper end of the lifting case that can be seen visually by the operator in the operating position, and in the reaping work position where the reaping part is lowered, it faces the handling opening and the reaping part is In the raised shelter position, the confirmation mirror is configured to be rotatably interlocked with the raising and lowering of the reaping section so as to face the front end of the crawler.

Therefore, during reaping work, the operator can visually observe the handling port from the operating position through the confirmation mirror, thereby accurately recognizing the supply status of grain culms, such as changes in the handling depth, and adjusting the handling depth appropriately. Moreover, even if the cutting height is adjusted (adjusting the height of the cutting section up and down) during work, the driver can reliably see the handling opening at all times, and when driving on the road with the cutting section raised, the driver can It is an object of the present invention to provide a reaping device for a walk-behind combine harvester that allows safe running by visually observing the front end of the crawler through a confirmation mirror.

Hereinafter, the embodiments of the present invention will be described in detail based on the drawings. FIG. 1 is a side view of a walking combine harvester equipped with the device according to the present invention, and FIG. 2 is a plan view of the same. is the machine,
2 is a truck frame equipped with a pair of running rollers 3 and 3 on both left and right sides; 4 is a reaping main frame (reaping drive connection pipe) that supports the reaping rotating section A; and 5 is a reaping frame mounted on the machine base 1. This is a lower grade axial flow type threshing section, and a handling barrel 6 is mounted on the shaft along the longitudinal direction of the machine stand 1 inside.

Reference numeral 7 denotes a reaping unit or reaping device for two-row mowing, and this reaping device 7 is composed of a plurality of grass division plates 8 . . . , cutting blades 9 and an E-shaped reaping frame 10 .

Reference numeral 11 denotes a shell culm transfer device, and this device 11 is composed of a feed chain 12 and a culm rod, and the threshing section 5
This is a rack that is strung along the opening on the left side of the container.

Moreover, 13 is a gasoline engine mounted on the machine base 1 at the right front part of the threshing section 5, and a heating material tank 14 is provided between this engine 13 and the threshing section 5.

Further, numeral 15 is a paddy receiving stand provided on the right side of the threshing section 5 and at the rear of the engine 13, and a grain outlet chute 16 is facing above the paddy receiving stand 15.

This chute 16 is connected to an upper end discharge port of a grain frying cylinder 17 for taking out fine grains from the first mouth.

Furthermore, a cylinder cutter 18 is installed at the rear of the threshing section 5 to cut the waste straw by cutting it, and the above-mentioned feed chain 12 is installed at the upper part of this cutter 18.
A straw removal chain 19 is provided extending rearward from the rear end rising portion 12a.

This chain 19 is connected to the cutter 18 or the focusing table 20.
The waste straw is selectively sent to either of the two.

On the other hand, an operating section 21 is installed on the machine 1 at the rear of the paddy holder 15, and a guide plate 22 with a large number of notches is provided on the left side of the operating section 21. It is configured to lock the manual adjustment lever 23.

Further, on the upper panel surface of the operation column 24 in the driving operation section 21, a main clutch lever 25, left and right side clutch levers 26, 27, and main and auxiliary shift levers 28.2 are provided.
9 is attached, and an accelerator lever 30 and a lifting hydraulic lever 31 are mounted on the right peripheral side of the operation column 24.
In addition, a lever 3 for threshing and reaping is provided on the circumferential side of the back of the column 24.
2 are installed respectively.

Next, to explain the grain culm conveying device, the reaping device 7
At the upper part is a star foil 33 that scrapes the root side of the grain culm.
．． 34, each of these star foils 33.
34 is equipped to correspond to the left and right shell culm lifting cases 35 and 36.

A vertical conveying device 37, which can be adjusted in length and shortness, is stretched in an inclined manner between the rear upper part of the star foil 33, 34 and the feed start end of the feed chain 12 in the shell culm transfer device 11.

On the other hand, a hydraulic cylinder 38 for raising and lowering the reaping rotation part A is stretched between the machine base 1 and the main reaping frame 4, which are described above.
The structure is such that, by operating the cylinder 30, the rotating portion A can be moved up and down as appropriate around the rotation fulcrum shaft 39.

Further, 40 is a sprocket for driving the crawler 3, and this sprocket 40 is connected to a rotating element in a traveling mission via a final case.

Furthermore, 41 is an idler that supports the end of the roller 3 that runs together with the sprocket 40, and 42... is a plurality of track rollers that are brought into rolling contact with the lower inner surface of the roller 3 that runs, and the idler 41 The track rollers 42 are supported by the track frame 2.

As shown in FIGS. 3 and 4, a confirmation mirror 43 that can be viewed from the position of the operation section 21 is incorporated into a gate section 44 provided at the upper end of the lifting case 35, 36.

The confirmation mirror 43 is fixedly connected to a pivot shaft 45, and the shaft 45 is raised to a bearing sleeve 46 fixed to the case 35.36.
, 46, and the confirmation mirror 43 is raised and installed on the upper end of the case 35, 36 so that its mounting angle can be changed.

A pair of bevel gears 47.48 and 49.50 are provided at one end of the pivot shaft 45 and one extending end of the rotation fulcrum shaft 39, respectively, and the gear shafts 51, 52 of each gear 48.50 are provided with a pair of bevel gears 47.48 and 49.50, respectively. The rotational displacement of the rotational fulcrum shaft 39 is transmitted to the confirmation mirror 43 via the pivot shaft 45, and the inclination angle of the mirror 43 is changed. .

As shown in FIG. 4, during reaping work with the reaping section, that is, the reaping device 7, being lowered, the operator can visually see the handling opening 54 through the mirror 43 from the operation position, and the cutting height can be adjusted. In other words, the mirror 43 is moved between the gears 49 and 50 so that the handle opening 54 can be accurately viewed by the operator even if the position and orientation of the reaping section 7 changes during fine vertical adjustment in the downward movement state of the reaping section 7. , the installation angle is corrected accordingly via the wire 53 and the gear 48, 47,
During this reaping work, regardless of whether the cutting is low or high, the operator always uses the mirror 43 to
The structure is configured so that the cutting depth can be accurately recognized by visually observing the cutting depth, and when the reaping section 7 is moved upward as shown in FIG. The mounting angle of the mirror 43 is changed as much as possible to ensure safe running when the combine harvester is running.

The present invention is configured as described above, and even if the reaping section 7 moves up and down, the position and orientation of the lifting cases 35 and 36 change, and the mounting orientation of the mirror 43 changes, the reaping section 7, that is, the rotational displacement of the rotation fulcrum shaft 39, is transmitted to the pivot shaft 45 via the bevel gears 49, 50, the ears 53, and the bevel gears 48, 47, and the mowing section 7 is in the reaping work state when descending. When the handling port 54 is opened by the operator,
Further, when the reaping section 7 is raised, the mounting angle of the mirror 43 is changed so that the front end of the crawler 3 can be visually seen.
This allows the operator to accurately monitor the handling depth condition or the front condition of the crawler 3 from the operating position and perform the work safely.

The length of the grain culm supplied to the handling port 54 is detected by the mirror 43, and if this adjustment is necessary, the adjustment lever 23 is operated to swing the vertical conveyance device 37 up and down, and the mirror 43, the grain culm condition at the handling opening 54 is recognized, and the handling depth is adjusted depending on whether the grain is long or short.

Furthermore, even if the cutting height is adjusted during the reaping operation, the mounting angle of the mirror 43 is adjusted so that the handling port 54 can be seen by the operator, and the operator can control the grain that is supplied to the handling port 54. The culm can be constantly observed through the mirror 43.

As is clear from the above embodiments, the present invention incorporates a confirmation mirror 43 on the back side of the gate section 44 at the upper end of the lifting case 35, 36 that can be visually seen by the operator at the operation position, and also allows the operator to lower the reaping section 8. The confirmation mirror 43 is configured to be rotatably linked to the elevation of the reaping section 8 so as to face the handling port 54 in the working position and to face the front end of the crawler 3 in the sheltered position where the reaping section 8 is raised. During reaping work, the operator visually observes the handling port 54 from the operating position through the confirmation mirror 43, thereby accurately recognizing the supply status of grain culms, such as changes in the handling depth, and appropriately adjusting the handling depth. Moreover, even if the cutting height is adjusted, the mounting tube of the confirmation mirror 43 is automatically adjusted to a state where the handling opening 54 can be seen by the driver, and the height is increased during the cutting operation. Regardless of the adjustment, the handle port 54 can always be accurately viewed, and when the reaping section 8 is raised, the operator can watch the front end of the crawler 3 through the confirmation mirror 43, thereby ensuring safety when the combine is running on the road. This has practical effects such as making it possible to plan on driving.

[Brief explanation of the drawing]

Figure 1 is a side view of the traveling combine harvester according to the present invention;
3 is a system explanatory diagram of the main parts, FIG. 4 is a side view of the main parts, and FIG. 5 is an explanatory diagram of the previous operation. 8... Reaping section (reaping device), 35, 36...
...Lifting case, 43... Confirmation mirror, 44.
...Gate section.

Claims (1)

[Scope of utility model registration request] Raising case 3 that can be visually seen by the operator in the operating position
5.36 A confirmation mirror 43 is installed on the back of the gate section 44 at the upper end, and the handling opening 5 is installed in the reaping work position when the reaping section 8 is lowered.
4, and the confirmation mirror 43 is configured to be rotatably interlocked with the elevation of the reaping section 8 so as to face the front end of the crawler 3 in the retracted position where the reaping section 8 is raised. Type combine reaping device.