JP5728870B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

  2. Description of the Related Art Conventionally, a combine threshing apparatus is provided with a chopping apparatus for finely cutting the mash after threshing and then releasing it to the field. For example, Patent Document 1 discloses that in a waste shredding device that cuts the waste after threshing, the left and right side covers and a back cover are provided below the cutter unit, and outward from these vertical intermediate portions. A configuration is provided in which a guide cover for discharging cutting rods that can be bent is provided.

JP-A-8-322373

  The technology described in Patent Document 1 has a problem that the lower end discharge port of the guide cover is located relatively higher than the ground, so that a large amount of dust is generated when cutting the waste and the work environment is deteriorated. was there.

  An object of the present invention is to provide a combine capable of preventing harvesting of dust generated by the reject shredding device and performing harvesting and harvesting work while maintaining a good working environment.

  The present invention has taken the following technical means to solve the above problems.

That is, the invention described in claim 1 is provided with a reaping device (4) in front of the threshing device (3), and a slicing device (7 ) for cutting the slaughtered waste after the threshing device (3). ), A guide cover (9) for guiding cutting waste discharge comprising a side cover (9a, 9b) on the left and right side portions and a rear cover (9c) on the rear side at the lower part of the rejection shredding device (7). ) To cover the left and right and rear sides of the discharge port (10) portion of the cutting rod formed at the lower end of the guide cover (9) from the discharge port (10) to a height position close to the farm scene. A dustproof cover (11) is provided , and when the reaping device (4) and the threshing device (3) are driven, the lower end of the dustproof cover (11) is automatically lowered close to the field scene, and the reaping device (4) and In the non-driven state of the threshing device (3), the lower end of the dust cover (11) It was combined, characterized in that automatically provided a control device that links to rise (27).

  The dust cover (11) covers the area from the discharge port (10) at the lower end of the guide cover (9) to a position close to the farm scene, so that the cutting dust is not scattered. It is possible to reliably prevent the floating of dust.

When the mowing threshing clutch is turned on at the start of the mowing operation, the mowing device (4) and the threshing device (3) are driven, and the lower end portion of the dust cover (11) is automatically lowered to the vicinity of the field scene, and the mowing threshing clutch. When cutting is performed, the driving of the reaping device (4) and the threshing device (3) is stopped, and at the same time, the lower end portion of the dust-proof cover (11) is moved upward and high.

The lower end of the dust-proof cover (11) is lowered downward during the harvesting work to exert a dust-proof effect, but the lower end of the dust-proof cover (11) is automatically raised during the non-reaping work, so overrunning and running on the road Sometimes, the lower end of the dustproof cover (11) is not damaged by being caught by a protrusion or obstacle from the ground.

According the invention in claim 2, the dust-proof cover (11) is formed of a flexible member, 請 Motomeko 1 Symbol placement combine provided with a plurality of notches (15) to the lower end of-proof dust cover (11) It was.

  Since the dust-proof cover (11) is made of a flexible member, it smoothly follows the unevenness of the farm scene even if it is grounded.

  Moreover, since the lower end of the dust cover (11) is provided with a plurality of cuts (15), it can sufficiently cope with the unevenness in the left and right directions, improve the sealing performance, and enhance the dust prevention effect. .

According to a third aspect of the invention, and with the dustproof cover (11) covering the lower limit setting dial that can be set to the lower limit position descends (36) is provided with請 Motomeko 1 or claim 2 Symbol placement combine.

By providing the cover lower limit setting dial (36), the lower limit position where the dust cover (11) is lowered can be arbitrarily set according to the field conditions.

  According to invention of Claim 1, since the dust cover (11) is provided in the state which covers from the lower end discharge port (10) of a guide cover (9) to the position close | similar to a farm scene, a cutting tack is The dust cover (11) can reliably prevent the dust and dust from floating, and the work can be continued in a sanitary working environment without being scattered in the illusion.

Moreover, when the mowing device (4) and the threshing device (3) are set to the driving state at the start of the mowing operation, the lower end portion of the dust cover (11) is automatically lowered to the vicinity of the farm scene, and the mowing device (4) and the threshing are performed. When the device (3) is set to the non-driven state, the lower end of the dust cover (11) moves upward and moves upward, so that the dust cover (11) lowers the lower end and lowers the dust during the cutting operation. However, the lower end of the dust-proof cover (11) is automatically raised during non-reaping operations, so that the lower end of the dust-proof cover (11) is pulled by objects protruding from the ground or obstacles when traveling over the fence or traveling on the road. It will not hang and cause damage.

According to the invention described in claim 2 , in addition to the effect of the invention described in claim 1 , by forming the dust cover (11) with a flexible member, the unevenness of the farm scene can be obtained even when grounded on the farm scene. In addition, the cut (15) at the lower end of the dust cover (11) can be adapted to the unevenness in the left-right direction sufficiently, improving the sealing performance and enhancing the dust-proof effect.

According to invention of Claim 3 , in addition to the effect of the said invention of Claim 1 or Claim 2, by providing a cover lower limit setting dial (36), according to field conditions, a dust-proof cover (11) is provided. The lower limit position can be set arbitrarily.

Thereby, it can prevent that a dustproof cover (11) contacts an agricultural field scene too much.

Combine side view Combine rear view Top view of the combine Rear view of the main part Side view of the main part of the combine Rear view of the main part of the combine Top view of the main part of the combine Side view of the main part of the combine Control block circuit diagram

An embodiment of the present invention will be described with reference to the drawings.
1 to 3 show a configuration example of a main part of a combine. This traveling vehicle body 1 includes a pair of left and right traveling crawlers 2 and 2 and is located in front of a threshing unit (threshing device) 3 mounted at the rear. A mowing section (reaping device) 4 is installed in the section, and a side operation of the threshing section 3 is provided with a driving operation section including a driver's seat 5 and an operation box 6, and the threshing grain is provided behind the driving operation section. Is equipped with a Glen tank G. Moreover, the rear part of the threshing unit 3 is equipped with a severing shredding device 7 that cuts the scouring part after threshing.

  Under the cutter case 8 of the reject shredder 7, a cutting cover discharging guide cover 9 comprising a three-sided cover of left and right side covers 9a, 9b and a rear cover 9c is provided. The lower end of the guide cover 9 has a configuration in which a rectangular discharge port (hereinafter also referred to as a lower end discharge port) 10 is formed in plan view.

  On the left and right sides and the rear side of the lower end discharge port 10 of the guide cover 9, a flexible sheet-like dustproof cover 11 that can be covered from the discharge port to a height position close to the farm scene is suspended. Is provided. The dust-proof cover 11 is composed of a trihedral body including left and right side covers 11a and 11b and a back cover 11c, and a take-up reel 12 that can be wound up is provided above each cover 11a, 11b, and 11c. It can be rolled up or hung downward. A round pipe-shaped weight 12 is provided at the lower end of each cover 11a, 11b, 11c. According to the said structure, the ground height of the dust cover 11 lower end can be adjusted arbitrarily, and it can also wind up and accommodate upwards.

  Of the dust cover 11, the left and right side covers 11a and 11b extend forward to at least a position where they overlap with the traveling crawler 2 in the front-rear direction when viewed from the side, so that the space between the side cover and the crawler 2 is increased. There will be no gaps and no dust will blow out.

  Further, as shown in the rear view of FIG. 2 and the plan view of FIG. 3, the dust cover 11 is widened so as to cover the entire width of the combine including the excrement shredding device 7 in the lateral direction. The dust is prevented from blowing out from the cutter unit.

  The dust-proof cover 11 shown in FIGS. 5 to 7 is configured so that the lower ends of the left and right and rear three-surface covers are opened from the vicinity of the field to the upper outer side. The side covers 11a and 11b swing open / close in the left / right and up / down directions with the front / rear shaft 17 as a fulcrum, and the back cover 11c swings in the front / rear and up / down directions with the horizontal axis 18 in the left / right lateral direction as a fulcrum. Yes. The front and rear shafts 17 and the horizontal shaft 18 are rotatably mounted from the drive motor 19 via the gear transmission mechanism 20 and the bevel gear mechanisms 21 and 21 so as to rotate integrally with the respective covers. . The dust-proof cover 11 in the illustrated example (FIGS. 5 to 7) is configured such that only the lower end side is a flexible sheet member and cuts (cuts) 15 are provided at predetermined intervals. These several cuts improve the followability to the unevenness of the field scene and improve the dustproof effect.

As shown in FIG. 7, the evacuation shredding device 7 swings and opens around the vertical axis 22 in the vertical direction together with the dust cover 11 so that the maintenance of the cutter part can be easily performed.
In the state where the cutting part 4 and the threshing part 3 are driven, the lower end part of the dust cover 11 is lowered to near the farm scene, and in the non-driven state of the cutting and threshing part, the lower end part of the dust prevention cover 11 is moved upward and high. It is configured to work together. That is, when the cutting and threshing clutch is turned on by turning on the cutting and detaching clutch lever 24 at the start of the cutting operation, the cutting unit 4 and the threshing unit 3 are driven, and the cutting clutch detection sensor 25 and the threshing clutch detection sensor 26 are activated. Based on the detection result, the lower end portion of the dustproof cover 11 is automatically lowered to the vicinity of the field scene by the rotational drive of the drive motor 19 output from the control device 27, and when the cutting and threshing clutch is turned off (OFF), the cutting and threshing portion. The drive motor 19 is interlocked so as to be controllable so that the lower end portion of the dust-proof cover 11 is moved upward and upward at the same time (see FIG. 9). In addition, in the said structure, when the cutting speed threshing clutch is ON, if the vehicle speed is detected by the vehicle speed detection sensor 31, the dust cover 11 may be configured to move downward.

  Further, when the culm detection sensor 28 provided in the culm transporting path of the reaping part or the threshing part detects the presence of the culm, the lower end of the dust cover 11 automatically descends to the vicinity of the field scene, and the culm detection sensor 28 When detecting the absence of cereals, the bottom end of the dust cover is configured to move upward and upward. In short, the cedar detection sensor 28 detects whether or not the reaping operation state is present due to the presence or absence of cereal, and based on the detection result, the lower end of the dust-proof cover 11 is automatically moved up and down by driving the drive motor 19. It comes to move.

  At the time of reverse movement of the machine body, when switching to reverse control by operating the shift lever 29, the reverse detection sensor 30 detects that, and the lower end of the dustproof cover 11 is moved upward by driving the drive motor 19. Avoid interference with obstacles.

  Further, when the machine body is stopped during the cutting operation, the drive motor 19 can be driven based on the detection result of the vehicle speed detection sensor 31, and the lower end of the dust cover can be moved upward. According to this, even when the machine is stopped during cutting, the waste is transferred to the cutter unit with a delay, so if the dust cover is lowered, there is a risk that the cutting dust will accumulate and clog early, but in this example the dust cover Since the ascending and retreating, such a problem can be solved.

  When the sub-transmission device (not shown) is operated to a travel position that performs high-speed travel such as on-road travel, the sub-transmission position detection sensor 32 detects a non-cutting work state and the dust cover 11 is automatically raised. It can also be configured to move, improving operability.

  When the threshing clutch is engaged (ON) and the vehicle speed detection sensor 31 detects the stop of the vehicle speed, the lower end of the dust cover 11 can be automatically moved upward. According to this, when handling the pillow-cut grain cocoon, it is possible to prevent the cutting potatoes from being accumulated at an early stage below the cutter.

  A dust detection sensor 33 is provided near the lower portion of the waste shredding device 7, and when the dust detection sensor 33 detects a set amount of dust, the dustproof cover 11 moves downward to be in a dustproof posture. You can also

  Further, as shown in FIG. 8, by providing a ground height detection sensor 34 at the lower end of the dustproof cover 11, the lower end of the cover is configured to follow the ground. According to this, it is possible to always keep the gap between the farm scene and the dustproof cover constant and prevent the generation of dust.

  By providing a cover lower limit detection sensor (potentiometer) 35 and a cover lower limit setting dial 36 that can arbitrarily set the lower movement lower limit position of the dust cover 11, the lower movement lower limit position of the dust cover can be arbitrarily set according to the field conditions. It is possible to prevent the dust cover from coming into excessive contact with the farm scene.

  In FIG. 5, in the cutting soot discharge path below the exhaust shredding device 7, dust exhaust from the dust exhaust fan 38, and soot and dust from the Strollack 40 at the end of the swing sorting shelf 39. Etc. are also discharged, and a large amount of dust is generated. Therefore, the installation of the dustproof cover having the above configuration is effective.

3 Threshing unit (threshing device)
4 Cutting part (reaping device)
7 Exhaust shredding device 9 Guide cover 9a Side cover 9b Side cover 9c Rear cover 10 Discharge port 11 Dust-proof cover 15 Notch 27 Control device
36 Cover lower limit setting dial

Claims (3)

In the combine provided with a reaping device (4) in front of the threshing device (3), and provided with a waste shredding device (7) for cutting the waste after threshing at the rear of the threshing device (3). A cutting cover discharge guide guide cover (9) comprising a side cover (9a, 9b) on the left and right sides and a rear cover (9c) on the rear side is provided at the lower part of the shredding device (7), and the guide cover (9) A dustproof cover (11) is provided on the right and left sides and the rear side of the discharge port (10) part of the cutting rod formed at the lower end of the paddle to cover the height position close to the farm scene, In the drive state of (4) and the threshing device (3), the lower end of the dust cover (11) automatically descends to near the field scene, and in the non-driven state of the reaping device (4) and the threshing device (3). The dust-proof cover (11) is linked so that the lower end of the dust-proof cover (11) is automatically raised. Combine, characterized in that a control device (27). The combine according to claim 1, wherein the dustproof cover (11) is formed of a flexible member, and a plurality of cuts (15) are provided at a lower end portion of the dustproof cover (11). The combine according to claim 1 or 2, further comprising a cover lower limit setting dial (36) capable of setting a lower limit position at which the dust cover (11) is lowered .

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