JP2013090579A - General purpose combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem that a grain stalk remained in a raking-in part of a leading end side of a threshing cylinder is mixed in a grain stalk newly harvested when performing harvesting operation of different types of grain stalks.SOLUTION: The general purpose combine harvester includes the raking-in part formed by covering the periphery of the threshing cylinder in which a spiral blade 24 is wound at the leading end part thereof. A cleaning port 51 is formed in an entrance plate 50 of a threshing chamber covering a side part of the raking-in part and the cleaning port 51 is openably/closably provided with a cleaning lid 52.

Description

  The present invention relates to a combine equipped with a handling chamber for threshing the harvested cereal, and more particularly to a general-purpose combine having a handling chamber inlet that surrounds the tip of the handling cylinder.

  In general, a combine is provided with a handling room for threshing cereal grains, and a handling cylinder for threshing the cereal grains while rotating. Then, after the cereals harvested by the pretreatment unit are conveyed to the handling room and threshed by the handling cylinder, the harvesting operation is performed while being sorted into grains and straw scraps.

  In the above combine, for example, it is necessary to clean the handling chamber for removal of clogging in the handling chamber or maintenance. Especially in general-purpose combine harvesters, harvesting of various grains such as rice, wheat, and soybeans is performed compared to self-removing combine harvesters, in order to avoid mixing different types of grains, It is necessary to clean the inside of the handling room before harvesting different grains.

  Conventionally, when an operator cleans the inside of the handling chamber, a combine that opens and closes the side plate of the handling chamber in order to facilitate the cleaning work (for example, see Patent Document 1) or a combine that opens and closes the top plate of the handling chamber. (See, for example, Patent Document 2).

Japanese Patent Laid-Open No. 8-70680 JP-A-9-103174

  However, in the combine described in Patent Document 1 and Patent Document 2, the main body of the handling cylinder can be easily cleaned by opening the side plate and the top plate of the handling chamber. At the tip of the spiral blade, spiral blades are wound and the periphery thereof is covered to form a scraping portion. The scraping portion is covered with the side plate and the top plate of the handling chamber. The work is difficult. For this reason, for example, even if the operator cleans the handling chamber in order to perform harvesting work on different types of cereals, there is a risk that the previously harvested cereals may not be completely removed from the tip of the handling cylinder. Yes, when working in such a state, there is a possibility that cereals that could not be removed would be mixed into the newly harvested cereals.

  Therefore, an object of the present invention is to provide a general purpose combiner that solves the above-described problems by providing a cleaning port with a cleaning lid so as to be freely opened and closed in a handling chamber inlet plate that covers the side of the scraping portion.

The present invention includes a pre-processing unit (5) for harvesting cereals, a handling room (25) for threshing the cereals harvested by the pre-processing unit (5), and a rotatable handling chamber (25). An internal treatment cylinder (26),
In the general-purpose combine (1), the spiral barrel (24) is wound around the distal end portion of the handling cylinder (26) and the periphery thereof is covered to form a scraping portion (28).
A cleaning port (51) was formed in the handling chamber inlet plate (50) covering the side of the scraping portion (28), and the cleaning port (51) was configured to be opened and closed with a cleaning lid (52).

  The handling chamber inlet plate (50) is covered with an openable and closable side cover (47) that covers the side of the handling chamber (25). When the side cover (47) is opened, the cleaning lid (52 ) Is exposed.

  In addition, although the code | symbol in the said parenthesis is for contrast with drawing, it does not have any influence on description of a claim by this.

  According to the first aspect of the present invention, since the cleaning port that can be opened and closed with the cleaning lid is provided on the handling chamber entrance plate that covers the side of the scraping portion of the handling drum around which the spiral blade is wound, the handling chamber is cleaned. At this time, the scraping portion can be easily cleaned, and clogging can be easily removed even if the harvested cereal is jammed in the scraping portion during the cutting operation.

  According to the second aspect of the present invention, the handling chamber inlet plate is covered with an openable / closable side cover that covers the side of the handling chamber, and the cleaning lid is exposed when the side cover is opened. It is possible to improve the working efficiency of the cleaning operation of the handling room.

The top view of the general purpose combine which concerns on this Embodiment. The left side view. The side view which shows the state which opened the side cover of the general purpose combine. The enlarged side view which shows the state by which the cleaning opening was closed with the cleaning lid. The enlarged side view which shows the state by which the cleaning mouth was open | released. The perspective view which shows a handling cylinder and a handling chamber entrance plate.

  Hereinafter, a general-purpose combine according to an embodiment of the present invention will be described with reference to the drawings. The general-purpose combine 1 according to the present embodiment has a machine body 3 supported by a crawler 2 which is a pair of left and right traveling devices (see FIG. 2). As shown in FIG. 1 and FIG. 2, a pre-processing unit 5 for cutting cereals is provided in front of the machine body 3 so as to be movable up and down, and a general-purpose combine 1 is provided behind the pre-processing unit 5. A driving operation unit 6 is provided for operating the. Behind the driving operation unit 6 is provided a threshing device 7 for threshing and selecting the cereals harvested by the preprocessing unit 5, and next to the threshing device 7 stores the threshed grain. A Glen tank 9 is provided. A discharge auger 10 for discharging the grains in the grain tank 9 is provided above the grain tank 9, and a post-processing device 11 for shredding the threshed waste after the threshing device 7. Is provided.

  The pre-processing unit 5 has a divider 12 that divides the crop into crops and uncut crops, and a scraping reel 13 to which a plurality of tines are attached is provided above the divider 12. A platform auger 15 that conveys the cereals is disposed in the lateral direction perpendicular to the traveling direction behind the scraping reel 13, and is conveyed by the platform auger 15 behind the platform auger 15. A transport feeder 16 is provided for transporting the cereals to the threshing device 7.

  The driving operation section 6 is provided with a driver seat 17 for a driver to sit on, and an operation panel 19 is provided in front of the driver seat 17. An operation lever 20 for steering the general-purpose combine 1 is provided on the right side of the operation panel 19, and a display panel 21 for displaying various instruments is provided next to the operation lever 20. It has been. In addition, a side panel 22 is provided on the left side of the driver's seat 17, and a main transmission lever 23 is provided on the side panel 22.

  The spreader chopper 11, which is a post-processing device, includes a cover body 54 having a substantially cubic shape in which one surface facing the threshing device 7 and one surface facing the field scene are opened when attached to the rear portion of the threshing device 7. Yes. Although not shown, the cover body 54 is provided with a rotary chopping claw for chopping the culling processed by the threshing device 7, and the rotary chopping claw rotates within the cover body 54. A plurality of chopping claws are attached to the rotating shaft that is freely supported so as to face the upper, lower, left, and right sides, respectively.

  The threshing apparatus 7 has a handling chamber 25. As shown in FIG. 2, a handling cylinder 26 for threshing the harvested culm is rotatably installed in the handling chamber 25. Spiral shaped tooth 27 is wound around the handling cylinder 26, and at the tip of the handling cylinder 26, the cereals conveyed to the entrance of the handling chamber 25 by the conveying feeder 16 are placed in the handling chamber 25. A spiral blade 24 for winding is wound. The tip portion is covered with a handling chamber inlet plate 50 or the like to form a scraping portion 28 (see FIG. 6).

  The handling chamber entrance plate 50 that covers the side of the scraping portion 28 has a cleaning port formed in a substantially rectangular shape for the operator to clean the scraping portion 28 and to remove clogging at the scraping portion 28. 51 is formed. A cleaning lid 52 formed in the same shape as the cleaning port 51 is attached to the handling chamber inlet plate 50 so as to cover the cleaning port 51 (see FIGS. 4 and 5).

  The cleaning lid 52 is configured to be detachably attached to the handling chamber inlet plate 50 by a knob bolt 55 as an attachment member, and the cleaning port 51 is provided to be openable and closable by detaching the cleaning lid 52 from the handling chamber inlet plate 50. It has been. Moreover, when the cleaning lid 52 is attached to the cleaning port 51 inside the cleaning lid 52 (the surface facing the cleaning port 51 when the cleaning lid 52 is attached to the handling chamber inlet plate 50), the cleaning port 51 is provided. A plate 53 having the same shape as the cleaning port 51 is welded to eliminate a step between the cleaning chamber inlet plate 50 and the left and right end portions of the cleaning lid 52 in order to increase the strength of the cleaning lid 52. It is bent into a shape (see FIG. 6).

  Moreover, the said handling cylinder 26 is covered with the receiving net | network 29 formed in the ellipse shape (refer FIG. 5). Below the receiving net 29, there is a sorting chamber 39 in which a swing sorter 37 and the like composed of a tang fan 30, a swing moving plate 31, a chaff sheave 32, a rack 33, a stroller 35, a glenshave 36, and the like are provided. In the sorting chamber 39, the first helix 40 and the second helix 41 are arranged in the horizontal direction perpendicular to the traveling direction. The threshing device 7 is mainly composed of the handling room 25 and the sorting room 39.

  The threshing device 7 is covered with a cover body, and the upper portion of the handling chamber 25 is covered with a top plate 45. The rear portion of the chamber 25 is covered with a rear cover 46, and the left side of the chamber 25 including the chamber inlet plate 50 is covered with a substantially rectangular side cover 47. A hinge portion 48 is provided at the upper end portion of the side cover 47, and the side cover 47 is rotatably provided by the hinge portion 48, and the side cover 47 is provided on the left side of the handling chamber 25. It can be opened and closed freely. Further, as shown in FIG. 3, a gas spring 49 is attached to the side cover 47 to urge the side cover 47 upward (in the opening direction). A direction indicator is provided at the rear end of the side cover 47. A tail lamp assembly 56 in which the vessel and the tail lamp are integrally formed is attached.

  Next, the operation of the general purpose combine 1 configured as described above will be described. The operator moves the general-purpose combine 1 to the field and starts the cutting operation from the work start position. The mowing operation is performed while rotating the scraping reel 13. The scraping reel 13 causes the culm while rotating and cuts the culm that has been caused with a cutting blade. The harvested corn straw is transported from the platform auger 15 to the transport feeder 16 and then transported to the handling chamber 25 by the transport feeder 16. The cereals conveyed to the entrance to the handling chamber 25 are scraped into the handling chamber 25 by the scraping unit 28. The cereals that have been scraped into the handling chamber 25 are scraped off by the tooth 27 of the rotating handling cylinder 26, and the handled pestle passes through the receiving net 29 and swings and sorts. Falls to 37.

  Grains such as straw falling on the rocking sorter 37 are sorted into the first and second ones by rocking sorting by the rocking sorter 37 and wind sorting by the Kara fan 30. Here, the first thing is a grain that has been subjected to a sorting process, and the second thing is a mixture in which impurities such as straw scraps and cut grain are mixed and the grain is insufficiently sorted. The first thing is conveyed from the first helix 40 to the first cerealing device (not shown) and then conveyed to the glen tank 9 by the first cerealing device. After being transported to a number reducing device (not shown), it is transported to a second reducing spiral (not shown) by the second reducing device. The second product conveyed to the second reduced helix is again reduced to the handling chamber 25 by the second reduced helix for re-sorting.

  The slaughter and the like threshed by the threshing device 7 are conveyed from a dust outlet (not shown) to the spreader chopper 11, and the conveyed sewage and the like are finely shredded by a rotating rotary claw claw. To the field.

  When cutting different types of cereals, the operator cleans the threshing apparatus 7 in order to prevent different kinds of grains from being mixed after the end of the cutting operation or before the start of the cutting operation. The inside of the handling chamber 25 is cleaned with the side cover 47 opened. When the side cover 47 is opened, as shown in FIGS. 3 and 4, the receiving net 29, the chamber entrance plate 50, and the cleaning lid 52 are exposed. The operator removes the receiving net 29 and cleans the inside of the handling chamber 25. At this time, the cleaning lid 52 is removed, and the scraping portion 28 is also cleaned from the cleaning port 51.

  After cleaning the inside of the handling chamber 25, the operator again attaches the cleaning lid 52 to the handling chamber inlet plate 50, closes the cleaning port 51, attaches the removed receiving net 29, and then closes the side cover 47 and performs the cleaning work. finish.

  Also, when the cereal is clogged near the entrance (near the scraping portion 28) of the handling chamber 25 during the cutting operation, the operator opens the side cover 47 and handles the cleaning lid 52 in the same manner as during the cleaning operation. Remove from the chamber entrance plate and remove clogged cereals from the cleaning port 51.

  As mentioned above, the cleaning port 52 that can be opened and closed by the removable lid 52 is attached to the handling chamber entrance plate 50 that covers the side of the scraping portion 28 of the handling cylinder around which the spiral blade 24 that scrapes the cereals is wound. Since 51 is provided, when cleaning the chamber 25, the operator can remove the cleaning lid 52 and easily clean the scraping portion 28 from the cleaning port 51. When cutting cereals of a type different from that, it is possible to prevent the grains of cereals harvested last time from being mixed. In addition, even if the cereals harvested in the handling chamber 25 are clogged in the vicinity of the scraping portion 28 during the harvesting operation, the clogging can be easily removed from the cleaning port 51.

  Further, the handling chamber entrance plate 50 in which the cleaning port 51 is formed is covered with an openable and closable side cover 47 that covers the side of the handling chamber 25, and the cleaning lid 52 is exposed when the side cover 47 is opened. Thus, the cleaning lid 52 can be opened and closed, and the working efficiency of the cleaning operation of the handling chamber 25 can be improved.

  Further, when the cleaning lid 52 is attached to the cleaning port 51 inside the cleaning lid 52, a plate 53 having the same shape as the cleaning port 51 for eliminating a step between the cleaning port 51 and the chamber entrance plate 50 is welded. Therefore, in the threshing operation by the handling cylinder 26, it is possible to prevent damage to the processed goods (grains) caused by the processed object that goes around the handling chamber 25 together with the handling cylinder 26 being caught on the edge of the cleaning port 51.

  In addition, since the left and right ends of the cleaning lid 52 are bent into a U-shaped cross section in order to increase the strength of the cleaning lid 52, the cleaning lid 52 is deformed by a threshing load when the cleaning lid 52 is attached to the handling chamber inlet plate 50. Can be prevented. Thereby, since the cleaning mouth 51 can be enlarged, workability | operativity improvement, such as a cleaning operation | work and the removal operation | work of the clogging of a cereal bud, can be aimed at.

  In the present embodiment, the cleaning lid 52 is configured to be detachable from the handling chamber inlet plate 50 by the knob bolt 55. However, the present invention is not limited to this, and the cleaning lid 52 is configured to open and close the cleaning port 51 by other means. Do it. For example, the cleaning lid 52 is integrally provided inside the side cover 47 that covers the handling chamber entrance plate 50, and the cleaning port 51 is opened and closed by the cleaning lid 52 provided on the side cover 47 at the same time that the side cover 47 is opened and closed. It may be.

DESCRIPTION OF SYMBOLS 1 General purpose combine 5 Pre-processing part 24 Spiral blade 25 Handling chamber 26 Handling cylinder 28 Scratching part 47 Side cover 50 Handling chamber inlet plate 51 Cleaning port 52 Cleaning lid

Claims (2)

A pre-processing unit for harvesting cereals, a handling room for threshing the cereals harvested by the pre-processing unit, and a handling cylinder rotatably mounted in the handling room,
In the general-purpose combine, in which the handling cylinder is formed with a spiral blade wound around its tip, and its periphery is covered to form a scraping portion.
A cleaning port is formed in the handling chamber inlet plate that covers the side of the scraping portion, and the cleaning port is configured to be openable and closable with a cleaning lid.
General-purpose combine that is characterized by that. The chamber entrance plate is covered with an openable and closable side cover that covers the side of the chamber, and the cleaning lid is exposed when the side cover is opened.
The general-purpose combine according to claim 1.

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