JP6647895B2 - Combine - Google Patents

Description

  The present invention relates to a combine for threshing a harvested grain culm, and in particular, a threshing sorter for sorting threshed processed products into grains and straw waste, and threshing processed products not sorted by a threshing sorter. And a return transport unit for returning to the sorting unit.

  2. Description of the Related Art In general, a combine including a Glen tank for storing grains and a straw processing unit for discharging straw waste outside the machine is known. In addition, the grains and straw wastes sorted in the threshing and sorting unit are transported to the Glen tank and the straw processing unit, respectively, and the processed products in which the grains, straw chips and culms are mixed without being sorted in the threshing and sorting unit are threshed. A self-recovery combine that returns to the handling room of the sorting unit and threshing again has been proposed (see Patent Document 1).

  In the self-removing type combine described in Patent Document 1, as a reduction transporting unit that transports the processed material that could not be sorted to the handling room, a second unhulling conveyor that transports the processed material deposited below the threshing sorting unit upward. And a second reduction conveyor case that is connected to the second lifting conveyor case and covers the processed material conveyed upward by the second lifting conveyor, and that is disposed below the second transportation conveyor case. , A screw for conveying the processed material conveyed from the connection chute forward, and a second reduction conveyor case covering the screw. The processed material conveyed by the screw is dropped from the opening provided at the front of the second reduction conveyor case to the front of the handling room, and is threshed again.

  There is a possibility that the inside of the reduction transport section is clogged with the processed material because the processed material passes therethrough. When the clogging occurs in the second reduction conveyor case, an operator removes a cover provided on a side surface of the second reduction conveyor case, so that an opening communicating with the inside of the second reduction conveyor case appears to the outside. The clogging inside the second reduction conveyor case can be removed from the opening.

Japanese Patent No. 40009134

  However, the connecting chute and the No. 2 fried conveyer case described in Patent Document 1 do not have an opening communicating with the inside through which the processed material passes. For this reason, it is difficult for the operator to remove and clean the clogging when the clogging occurs inside the connection chute and the second conveyer case, and there is a possibility that grains may remain even after the cleaning. Before performing harvesting work on different grains, the operator cleans the return transport section, but the grains of the grains that are threshed and sorted before cleaning remain after cleaning, and the grains of the grains that are threshed and sorted after cleaning are removed. There is a possibility that grains of different grains may be contained therein.

  Therefore, an object of the present invention is to provide a combine that solves the above-described problems by improving the workability of cleaning the inside of the return transport unit.

The present invention provides a threshing sorter (9) for threshing a harvested grain culm and sorting the threshed processed product into grains and straw waste, and the threshing sorter (9) into a grain and straw waste. A reduction transporting unit (36) for reducing the processed material that cannot be sorted to the threshing sorting unit (9).
An upper transport unit (37) configured to transport the processed material transported from the threshing and sorting unit (9) upward;
A forward transport section (40) for transporting the processed product forward and returning the processed product to the threshing / sorting section (9);
A communication section (39) communicating with the upper conveyance section (37) and the front conveyance section (40);
A guide section (57) for guiding the processing object transported from the upper transport section (37) to the front transport section (40);
A cover portion (60) that covers the guide portion (57) and is openable,
When cleaning the upper transport section (37) with the cover (60) opened, the cleaning water overflowing from the upper transport section (37) via the guide section (57) is transported to the front transport section. Leaks to the part (40),
It is characterized by the following.

For example, with reference to FIGS. 9 and 11, the cover part (60) covers a first upper cover part (61A, 61C) that covers at least a part of the upper part of the guide part (57) and is freely openable. Have
A second upper cover portion (61B) that covers at least a part of the upper portion of the upper transport portion (37) and is freely openable.

  For example, referring to FIG. 9, a third upper cover part (50) that covers at least a part of the upper part of the front transport unit (40) and is openable is provided.

  For example, referring to FIG. 9, the first upper cover portion (61A) and the second upper cover portion (61B) are integrally formed.

  For example, with reference to FIGS. 9, 11 and 12, the cover part (60) has a side cover part (62, 62A, 62B) that covers at least a part of the side of the guide part (57). .

For example, with reference to FIG. 9, the reduction transport section (36) includes a detection unit (69) that detects a clogging of the processing object in the reduction transport section (36).
The cover part (60) is opened to open the guide part (57),
The detecting means (69) is fixed to the cover (60).

  In addition, although the code | symbol in parenthesis mentioned above is for contrast with drawing, this does not have any influence on the structure described in a claim.

  According to the first aspect of the present invention, when working in a different field, the worker supplies water to the upper transport unit to clean the upper transport unit, but the water supplied to the upper transport unit is It flows out from the upper part of the upper transport section together with the processed material clogged or accumulated in the section, and flows out to the guide section and the front transport section via the guide section. Accordingly, the worker can continuously clean the guide section and the front conveyance section together with the upper conveyance section by flowing water from the upper conveyance section to the front conveyance section, thereby improving the cleaning workability and cleaning. Time can be reduced. In addition, the processed material remaining in the upper transport unit and the like is reliably discharged together with the cleaning water, and when performing a new combine operation, the possibility that the processed material or the like previously processed remains in the reduction transport unit is reduced. In addition, the possibility that the selected grains include grains of other grains is reduced.

  According to the second aspect of the present invention, the first upper cover portion is configured so that at least a part of the upper portion of the guide portion is opened by being removed, and the second upper cover portion is removed. Thereby, at least a part of the upper part of the upper transport unit is configured to be opened. The operator can pour water from a location where the first upper cover portion or the second upper cover portion has been removed, and allow the water to flow from the upper portion of the upper transport portion to collectively clean the upper transport portion. Thereby, the cleaning workability is improved and the cleaning time is shortened.

  According to the third aspect of the present invention, the first upper cover portion, the second upper cover portion, and the third upper cover portion are removed so that the upper portion of the upper transport portion, the upper portion of the guide portion, and the front portion. At least a part of each of the transport units is configured to open. An operator can pour water from a location where the first upper cover portion, the second upper cover portion, and the third upper cover portion are removed, and easily clean the upper transport portion, the guide portion, and the front transport portion. can do.

  According to the fourth aspect of the present invention, the first upper cover portion and the second upper cover portion are integrally formed. Since the number of components to be removed when opening the upper portion of the guide portion and the upper transport portion during cleaning is small, the time required for preparation for cleaning can be reduced.

According to the present invention according to claim 1 , the cover portion has a side cover portion that covers at least a part of the side of the guide portion, and when the side cover portion is removed, the upper portion of the guide portion becomes outside. appear. When cleaning the guide, the worker can flow water from the upper part of the guide, so that water flows from the upper part to the lower part of the guide, so that the guide can be efficiently cleaned, and Efficiency can be improved and cleaning time can be reduced.

Further, since the detecting means is fixed to the side cover, the operator can remove the cover from the guide for cleaning, and at the same time, separate the detecting means from the guide. This prevents the detection means from being splashed with water during cleaning, and prevents the detection means from being damaged by water. Since the detecting means is disposed on the surface of the guide portion facing the slope surface, it is possible to reliably detect the clogging of the processing object.

FIG. 1 is a side view showing a general-purpose combine according to an embodiment of the present invention. The top view which shows the said general-purpose type combine. The left view which shows the threshing part and the sorting part which concern on embodiment of this invention. FIG. 4 is a right side view showing the threshing sorting unit and the return transport unit. FIG. 4 is a plan view showing the threshing sorting unit and the return transport unit. FIG. 4 is a plan view showing the return transport unit in a state where the cover unit according to the embodiment of the present invention has been removed. FIG. 4 is a plan view showing the return transport unit in a state where the communication unit according to the embodiment of the present invention has been removed. 1A is a perspective view illustrating a front transport unit and a communication unit according to an embodiment of the present invention, FIG. 2A is a diagram illustrating a front transport unit with a switching lid attached, and FIG. The figure which shows the front conveyance part in the state where it fell. It is a perspective view which shows the said threshing sorting part and a reduction conveyance part, (A) is a figure which shows the reduction conveyance part in the state to which the cover part was attached, (B) is a reduction conveyance part in the state which removed the cover part. FIG. FIG. 5 is a perspective view showing the return transport unit in a state where the communication unit has been removed. FIG. 13A is a perspective view illustrating a return transport unit according to another embodiment in which a part is changed, and FIG. 13A is a diagram illustrating a return transport unit in which an openable cover unit that covers a guide unit includes a front surface and a left surface; FIG. 4B is a diagram illustrating a return transport unit in which an openable cover unit that covers the guide unit is configured from an upper surface. FIG. 19 is a perspective view showing a return transport unit in which an openable cover unit covering a guide unit is configured from a left surface and an upper surface according to another embodiment in which a part is changed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, a general-purpose combine 1 that is a type of combine is a traveling machine body 3 supported by a pair of left and right crawler traveling devices 2 and a front body that is supported in a vertically movable manner in front of the traveling machine body 3. A processing unit 5.

  On the left side of the traveling machine body 3, a threshing unit 6 (see FIG. 3) for threshing the grain stalks cut by the pre-processing unit 5, and a processed product disposed below the threshing unit 6 and threshed in the threshing unit 6, A threshing / sorting section 9 having a sorting section 7 (see FIG. 3) for sorting into grains and straw wastes is arranged. A ladder 10 is provided in front of the threshing / sorting section 9 so that a worker can climb on the threshing / sorting section 9, and behind the threshing / sorting section 9, the straw waste sorted in the sorting section 7 is taken out of the machine. A straw processing unit 11 for discharging is arranged. On the right side of the traveling machine body 3, a driving operation unit 12 on which a driver is boarded in order from the front and a Glen tank 13 for storing the kernels sorted in the sorting unit 7 are arranged. A discharge auger 15 for discharging the grains stored in the Glen tank 13 to the outside is connected to the rear part.

  The pre-processing unit 5 has a divider 16 at the front thereof for weeding culms in a field, and a raking reel 17 to which a plurality of tines are attached is provided above the divider 16. Behind the scraping reel 17, a platform auger 19 that conveys the grain stalks cut by a cutting blade (not shown) to the left is disposed in a horizontal state orthogonal to the traveling direction, and is behind the platform auger 19. Is provided with a transport feeder 20 that transports the cereal stem transported by the platform auger 19 to the threshing unit 6.

  As shown in FIG. 3, the threshing unit 6 has a handling chamber 21 into which the grain culms transported from the transport feeder 20 are put. Inside the handling chamber 21, a cylindrical handling extending in the front-rear direction is provided. The body 22 is rotatably supported. Helical teeth 23 extending in the front-rear direction are formed on the outer peripheral surface of the handling cylinder 22 extending in the front-rear direction. Grain culms conveyed from the transport feeder 20 are provided on the front end of the handling cylinder 22 in the handling chamber 21. A spiral blade 25 having a helical shape is formed to be swept into the back of the spiral blade. A receiving net 26 formed in an arc shape in a front view is detachably disposed below the handling cylinder 22 along the outer peripheral surface of the lower portion of the handling cylinder 22. The rotation of the handling cylinder 22 causes the handling teeth 23 to remove grains from the culm and thresh. The processed material in which the threshed grains and straw chips are mixed is sieved by the receiving net 26 and roughly sorted.

  In the sorting section 7, a swinging sorting device 27 for further sorting out the processed material dropped from the receiving network 26 is detachably arranged. Below the swing sorting device 27, in order from the front, a Karamin fan 29 for generating a sorting wind used for sorting by the swing sorting device 27, a first spiral 30 formed in a spiral shape extending in the left-right direction, and 1 And a second spiral 31 extending in parallel with the second spiral 30. The grains selected by the rocking sorting device 27 fall into a valley-shaped groove in which the first spiral 30 is disposed at the bottom, and are conveyed rightward by the rotating first spiral 30. The straw waste sorted by the swing sorting device 27 is conveyed to the straw processing unit 11 as described above. The processed material that cannot be sorted by the swing sorting device 27 falls into a valley-shaped groove where the second spiral 31 is arranged at the bottom, and is conveyed rightward by the rotating second spiral 31. Below the first spiral 30 and the second spiral 31, an opening (not shown) communicating with the outside of the machine and a detachable lid for covering the opening are provided.

  As shown in FIGS. 4 and 5, between the threshing / sorting unit 9 and the Glen tank 13, a first-lifted grain conveyor 32 that transports the grains transported from the first spiral 30 upward, and a first-lifted grain conveyor 32. A first fried conveyer case 33 that covers the conveyer 32 is disposed. The grains transported to the lower part of the first fried conveyor case 33 by the first spiral 30 are transported to the upper part of the first fried conveyor case 33 by the first fried conveyor 32. A helical conveying spiral 35 extending rightward is disposed above the first fried conveyor case 33, and the grains conveyed to the upper part of the first fried conveyor case 33 are rotated by a rotating conveying spiral 35. Into the right Glen tank 13.

  Further, between the threshing / sorting unit 9 and the Glen tank 13, there is disposed a reduction / conveyance unit 36 for returning the processed material carried from the second spiral 31 to the handling room 21 or the sorting unit 7. As shown in FIGS. 4, 6 and 7, the reduction transport section 36 includes an upper transport section 37 disposed behind the first fried conveyor case 33, a first fried conveyor case 33 and an upper transport section 37. And a communication part 39 connected to the upper front part of the upper conveying part 37 and a left part of the first grain conveyor case 33 connected to the lower part of the communication part 39 and connected to the communication part 39. And a forward transport section 40 extending forward through the front transport section.

  The upper conveying section 37 includes a second fried conveyer 41 that conveys the processed material conveyed from the second helix 31 upward, a second fried conveyer case 42 that covers the side and under the second fried conveyer 41, and And The lower surface of the second fried conveyor case 42 is detachably fixed, and the lower end inside the second fried conveyor case 42 communicates with the outside by removing the lower surface of the second fried conveyor case 42. . An opening 43 through which the second fried conveyor 41 can be viewed from above is formed in the upper part of the second fried conveyor case 42, and the front of the second fried conveyor case 42 faces downward from the upper end. An opening 45 (see FIG. 9 (B)) formed by cutting out is provided. The grains transported by the second spiral 31 to the lower portion of the second fried conveyor case 42 are transported by the second fried conveyor 41 to the upper portion of the second fried conveyor case 42, and the upper transport section 37 through the opening 45. To the communication section 39 connected to the communication section 39.

  As shown in FIGS. 4, 6 and 7, the front transport unit 40 covers the helical second reduction spiral 46 extending forward from below the communication unit 39 and covers the side and lower sides of the second reduction spiral 46. And a second reduced spiral case 47. As shown in FIGS. 6 and 7, an opening 49 is formed in the upper part of the second reduction spiral case 47 from the front end to the rear end. As shown in FIG. 5, a front part of the opening 49 is covered with a rectangular upper cover (third upper cover) 50, and the upper cover 50 is detachably fixed by knob bolts. ing.

  As shown in FIGS. 6 and 7, a discharge port (opening) 51 which is an opening communicating with the outside of the machine is formed at a position below the communication portion 39 on the bottom surface of the second reduction spiral case 47. In addition, a detachable lid 52 that covers the discharge port 51 is fixed. As shown in FIG. 8A, an opening 53 formed by cutting out the bottom surface and the left side surface is provided at the front of the second reduction spiral case 47. 21 communicates with the front. Further, in the second reduction spiral case 47, an opening 55 formed by notching the bottom surface and the right side surface is provided at a position behind the opening 53, and the opening 55 is Communicate with The second reduction spiral case 47 has a switching lid 56 formed in a substantially L-shape when viewed from the front, and the switching lid 56 is fixed so as to detachably cover a lower portion of the opening 55. The processed material sent out from the upper part of the upper transfer part 37 is fed into the rear part of the second reduction spiral case 47 through the communication part 39, and is transported forward by the rotating second reduction spiral 46. The processed material conveyed to the front of the second reduction spiral case 47 passes over the switching lid 56, is conveyed to the opening 53, and is thrown into the handling chamber 21 from the opening 53. Further, in the general-purpose combine 1 according to the present embodiment, when sorting the processed products of the return transport unit 36 without threshing again, the switching lid 56 is removed as shown in FIG. The processing object is configured to be fed into the sorting unit 7 from the opening 55 before reaching the opening 53.

  As shown in FIGS. 9A and 9B, the communication portion 39 has a flat surface portion 58 abutting flush with the right side surface of the second grain conveyor case 42 and a lower left corner from the lower end of the surface portion 58. And a slope portion 59 extending to the right and connected to the right side surface of the second reduction spiral case 47. The upper end of the surface portion 58 is arranged at the same height as the upper end of the second fried conveyer case 42, the lower end of the surface portion 58 is arranged at a position lower than the opening 45, and the slope surface 59 is located below the opening 45. Placed in The guide portion 57 is disposed between the first fried conveyor case 33 and the second fried conveyor case 42, the rear end of which is in contact with the front surface of the second fried conveyor case 42, and the second fried conveyor. It is detachably fixed to the case 42 and the second reduction spiral case 47. The guide portion 57 has a gutter structure in which the processed material and liquid sent to the upper portion flow downward through the slope surface 59, and the processed material sent from the second grain conveyor case 42 is processed by the slope surface 59. It is guided to the 2nd reduction spiral case 47 by the action of the gutter by the slope.

  The communication portion 39 has a cover portion 60 and a cover portion 63 that cover the upper side and the side of the guide portion 57. The cover part 60 includes an upper cover part (a first upper cover part, a second upper cover part) 61 that covers a part of the upper part of the guide part 57 and the opening 43, and a front part and a left part of the guide part 57. A left cover 65 covering the upper part of the opening 49; a side cover 62 formed of a front surface 66 and a top surface 67; and the cover 63 is disposed behind the side cover 62. . The left surface 65 of the side cover portion 62 is a surface disposed at a position facing the guide portion 57, and is removably fixed to the upper portion of the rear left surface of the second reduction spiral case 47 by a knob bolt. 47 is formed in a plane shape extending upward from the upper portion of the rear left surface. The front surface 66 is a surface extending rightward from the front end of the left surface 65, and the right side of the front surface 66 is detachably fixed to the front portion of the guide portion 57. The upper surface 67 is fixed to the upper ends of the left surface 65 and the front surface 66, and is disposed at a position covering the remaining portion of the opening 49 not covered by the upper cover portion 50 and a portion above the guide portion 57 in plan view. The opening 49 is covered by the upper surface 67 and the upper cover 50 in plan view. Since the left surface 65 is detachably fixed to the second reduction spiral case 47 and the front surface 66 is detachably fixed to the guide portion 57, the side cover portion 62 is provided to be freely openable with respect to the guide portion 57. ing.

  The upper cover portion 61 includes an upper cover front portion (first upper cover portion) 61A that covers a part of the guide portion 57 and an upper cover rear portion (second upper cover portion) 61B that covers the opening 43 in plan view. Is a rectangular plate integrally formed, and is detachably fixed to the guide portion 57 and the upper surface 67 by knob bolts. Further, the cover 63 is a surface that faces the front surface 66 and is disposed at a position between the left surface 65 and the left surface of the second fried conveyor case 42, and the second fried conveyor case 42 and the second reduced spiral It is detachably fixed to the case 47 and the side cover part 62. Therefore, as shown in FIG. 7 and FIG. 10, the cover 63 is removed from the second grain conveyor case 42 and the second reduced spiral case 47, the side cover 62 is removed from the second reduced spiral case 47, By removing the guide portion 57 from the second grain conveyor case 42 and the second reduction spiral case 47, the communication portion 39 can be removed from the upper transport portion 37 and the front transport portion 40. Below the space in which the communication portion 39 is arranged, no parts of the body are arranged, and the space is ground.

  As shown in FIGS. 6 and 9B, the side cover 62 is fixed to the second reduced spiral case while the guide portion 57 is fixed to the second grain conveyor case 42 and the second reduced spiral case 47. When the upper cover portion 61 is removed from the guide portion 57 and the side cover portion 62 when the upper cover portion 61 is removed from the guide portion 57 and the side cover portion 62, The upper part of the guide portion 57 is open to the outside.

  The left surface 65 of the side cover portion 62 is a detecting means for detecting the pressure when a predetermined pressure or more is applied from the inside of the left surface 65, and the pressure causes the inside of the reduction transporting portion 36 to be clogged with the processed material. The clog sensor 69 for detecting the occurrence is fixed.

  Since the present embodiment is configured as described above, the worker can climb on the threshing / sorting section 9 using a ladder and clean the reduction transport section 36.

  When cleaning the upper transport section 37 and the communication section 39, the operator removes the side cover section 62 of the upper cover section 50, the upper cover section 61, and the side cover section 62, so that the guide section 57 is externally mounted. And water can flow from above the guide portion 57. As a result, water flows from the upper part to the lower part of the guide part 57, and the operator can efficiently clean the guide part 57, and the cleaning efficiency can be improved. Further, by pouring water from the place where the side cover part 62 is removed toward the opening part 45, water can be sent into the second fried conveyor case 42, and The inside can be cleaned. Then, the water supplied to the inside of the second fried conveyor case 42 overflows from the opening 45 together with the clogged or accumulated processed material in the second fried conveyor case 42, and the guide part 57 and the guide part It flows out to the inside of the second reduced spiral case 47 through 57. Thus, the worker can continuously flow water from the upper transport section 37 to the front transport section 40 to clean the guide section 57 and the front transport section 40 together with the upper transport section 37, thereby improving the cleaning workability. And the cleaning time can be shortened.

  The processed material flowing from the upper transport section 37 to the front transport section 40 is sent from the opening 53 to the handling chamber 21. The receiving net 26 and the swing sorting device 27 are removably arranged, and the worker removes the receiving net 26 and the swing sorting device 27 before cleaning so that the processed material can be separated from the receiving net 26 and the swing sorting device. The processed material can flow through the first spiral 30 and the second spiral 31 without being caught by the device 27. The processed material that has flowed into the first spiral 30 and the second spiral 31 is discharged out of the machine from an opening provided below the first spiral 30 and the second spiral 31. In the case where there is a large amount of the processed material in the second conveyor case 42, the inside of the second spiral case 47, and the guide portion 57, the worker removes the switching cover 56 and cleans the processed material to open the processed product. It is possible to reduce the risk that the processed product is discharged from the opening 55 to the sorting unit 7 and flowed forward from the opening 55. Thereby, in the front transfer unit 40, the range where the processing material flowing from the upper transfer unit 37 and the guide unit 57 adheres is reduced, and the possibility that the cleaning range is expanded is reduced.

  Since the lower surface of the second fried conveyor case 42 is detachably fixed, the operator removes the lower surface of the second fried conveyor case 42 to clean the second fried conveyor case 42 during cleaning. The processed material can be discharged out of the machine from the lower end of the second frying conveyor case 42. Thereby, it is possible to prevent the processed material and the like of the second frying conveyor case 42 from flowing into the sorting unit 7. In addition, since a discharge port 51 which is an opening communicating with the outside of the machine is provided on the bottom surface of the rear part of the second reduction spiral case 47, the worker removes the lid 52 covering the discharge port 51 to perform cleaning. By doing so, it is possible to prevent the inside of the second fried conveyer case 42 and the processed material of the guide portion 57 from flowing into the handling room 21 or the sorting portion 7 through the second reduced spiral case 47. Then, the operator can switch the destination into which the cleaning water flows depending on whether or not the operator wants to collectively clean the handling room 21 and the sorting unit 7, so that the cleaning workability can be improved.

  The operator removes the upper cover portion 61 of the upper cover portion 50, the upper cover portion 61, and the side cover portion 62, so that a portion above the opening 43 and the guide portion 57 appears outside, and the upper cover portion Water can be sent from the part where the part 61 has been removed to the inside of the second fried conveyor case 42 and the guide part 57 for cleaning. Since the side cover 62 can be cleaned while being fixed to the second reduction spiral case 47, water flows to the left from the second reduction spiral case 47 by the side cover 62, and the water is reduced. The risk of overflow from the transport unit 36 is reduced. Furthermore, since the risk of water overflowing is reduced, the worker can make a large amount of water flow into the inside of the reduction transport section 36, and the efficiency of cleaning with water can be improved.

  The operator removes the upper cover 50, the upper cover 61, and the side cover 62, so that the opening 43, the opening 49, and the guide 57 appear as shown in FIG. The clogging of the inside of the fried conveyor case 42, the inside of the second reduced spiral case 47, and the guide portion 57 due to the processed material or the like can be visually confirmed. In addition, the inside of the second grain conveyor case 42, the inside of the second reduced spiral case 47, and the guide portion 57 can be easily cleaned, and the cleaning workability can be improved.

  As described above, since the cleaning workability is improved, when the threshing and sorting of a grain different from that before the cleaning is performed after the cleaning, the possibility that the processed material of the grain before the cleaning is left inside the reduction transport unit 36 is reduced. Thus, the possibility that the selected grains include grains of other grains is reduced.

  Further, since the clogging sensor 69 is fixed to the cover portion 60 having the side cover portion 62, when the operator removes the cover portion 60 from the guide portion 57 for cleaning, at the same time, the clogging sensor 69 is moved to the guide portion 57. Can be separated from Accordingly, it is possible to prevent the clogging sensor 69 from being splashed with water during cleaning, and to prevent the clogging sensor 69 from being damaged by water.

  Further, when cleaning the upper transport section 37, the operator removes the communication section 39 to expose the opening 45 to the outside as shown in FIG. The inside of the fry conveyor case 42 can be cleaned.

  At the time of cleaning, the processed material of the second fried conveyor case 42 overflows together with the cleaning water from the upper portion of the second fried conveyor case 42, and the second fried conveyor case 42, the second reduced spiral case 47, and the first lift. It is sent to a space surrounded by the grain conveyor case 33 and discharged to the ground. For example, when the second reduced spiral case 47 is not dirty and only the second fried conveyor case 42 is to be cleaned, the worker connects the communication portion 39 to the second fried conveyor case 42 and the second reduced spiral case 47. If the cleaning is performed in a state where the cleaning is performed, the processed material of the second fried conveyer case 42 flows into the second reduced spiral case 47, and the second reduced spiral case 47 may need to be cleaned. is there. However, by removing the communication portion 39, the processed material of the second fried conveyer case 42 is prevented from flowing into the second reduction spiral case 47 when the inside of the second fried conveyer case 42 is cleaned. Since the possibility that the two-reduction spiral case 47 is contaminated by cleaning the second fried conveyor case 42 is reduced, the cleaning workability is improved. Thereby, when threshing and sorting of grains different from before cleaning are performed after cleaning, the possibility that processed materials and the like of the grains before cleaning remain inside the reduction transporting unit 36 after cleaning is reduced, and among the sorted grains, The possibility of including grains of other grains is reduced.

  When the operator removes the communication portion 39 from the second fried conveyor case 42 and the second reduced spiral case 47 for cleaning, the worker simultaneously releases the clogging sensor 69 from the second fried conveyor case 42 and the second reduced spiral case 47. Can be separated. This prevents the clogging sensor 69 from being exposed to water when the second fried conveyor case 42 and the second reduced spiral case 47 are cleaned, thereby preventing the clogging sensor 69 from being damaged by water.

  As described above, the worker can clean the upper transport unit 37, the guide unit 57, and the front transport unit 40 collectively by removing the cover unit 60 with the guide unit 57 left. By removing the communication section 39 including the section 57, the processed material of the upper transport section 37 is prevented from being sent to the front transport section 40, and only the upper transport section 37 can be cleaned. Therefore, the operator can clean the upper transport section 37 and the guide section 57 collectively by changing the portion to be removed in the return transport section 36, and can also clean only the upper transport section 37. Cleaning can be performed in accordance with a desired place, and the operability of cleaning can be improved.

  Further, the operator removes the upper cover 50, the upper cover 61, and the side cover 62, thereby removing the wind pressure inside the second grain conveyor case 42, inside the second reduced spiral case 47, and the guide 57. Cleaning can be easily performed, and the cleaning workability can be improved.

  In the present embodiment, the upper cover portion 61 and the side cover portion 62 are configured to be detachable, but are not limited thereto, and are configured to cover the guide portion 57 with a hinge so that the guide portion 57 can be opened and closed. Is also good.

  In the present embodiment, the communication portion 39 is configured such that the side cover portion 62 including the left surface 65, the front surface 66, and the upper surface 67 covers a part of the side of the guide portion 57 so as to be freely opened. However, the present invention is not limited to this. As shown in FIG. 11A, the upper surface 67 is fixed to the cover portion 63, and the side cover portion 62A including the left surface 65 and the front surface 66 is freely opened. It may be configured to cover a part. By removing the side cover portion 62A, the worker can pour water on the guide portion 57 from the left front of the guide portion 57. This reduces the distance that the worker moves to the position for performing the cleaning operation, and facilitates the cleaning.

  As shown in FIG. 11B, the communication portion 39 has an upper cover portion 61C having a left surface 65 and a front surface 66 fixed to the second reduction spiral case 47 and having an upper surface 67 separately from the upper cover portion 61. May be configured to freely open and partially cover the upper part of the guide portion 57. By removing the upper cover 61C, the worker can reduce the risk of water overflowing from the side of the guide 57 during cleaning.

  As shown in FIG. 12, the communication portion 39 has a front surface 66 fixed to the second reduction spiral case 47 and a side cover portion 62 </ b> B including a left surface 65 and an upper surface 67. It may be configured so as to cover a part of the side. By removing the side cover portion 62B, the worker can apply water vertically to the guide portion 57. This makes it difficult for the water applied to the guide portion 57 to be dispersed, so that the processing object adhered to the guide portion 57 is easily separated from the guide portion 57 by the water and flows, thereby improving the cleaning workability. As described above, the side cover portions 62, 62A, 62B are configured to cover at least a part of the side of the guide portion 57, and the upper cover portions 61, 61C are configured to cover at least a portion above the guide portion 57. It is configured to cover. In addition, when the communication portion 39 is disposed behind the second grain conveyor case 42, the communication portion 39 may be configured to include a cover portion that covers the rear of the guide portion 57 so as to be freely opened. .

  Further, the reduction transport section 36 may be configured such that the guide section 57 and the upper cover section 61 are detachable. The operator can pour water from above the upper transport unit 37 by removing the guide unit 57 and the upper cover unit 61 when cleaning the upper transport unit 37, and clean water from above the upper transport unit 37. The overflowing treated material can be discharged to the ground. This allows the operator to clean only the upper transport unit 37 without removing the communication unit 39 itself.

  Further, the cover section 60 is configured to have the upper cover section 61 in which the upper cover front section 61A and the upper cover rear section 61B are integrally formed. However, the present invention is not limited to this. The cover rear portion 61B may be separately configured.

  Further, the present embodiment has been described with respect to the general-purpose combine, but can also be applied to a self-contained combine.

1 Combine (general-purpose combine)
9 Threshing / sorting section 36 Reduction transport section 37 Upper transport section 39 Communication section 40 Forward transport section 51 Opening (discharge port)
50 Third upper cover part (upper cover part)
57 Guide portion 60 Cover portion 61A First upper cover portion (upper cover front portion)
61B Second upper cover part (upper cover rear part)
62 Side cover 69 Detecting means (clog sensor)

Claims (4)

Threshing the harvested grain culm, threshing and sorting unit that sorts the threshed processed product into grains and straw waste, and the threshing and sorting the processed products that could not be sorted into grain and straw waste by the threshing sorting unit. And a return transport unit for returning to the unit.
The return transport unit, an upper transport unit that transports the processed material transported from the threshing and sorting unit upward,
A forward transporting unit that transports the processed product forward and returns it to the threshing and sorting unit;
And a communicating portion communicating with said upper conveying portion and the front conveyor unit,
The communicating portion includes a guide portion having a slope surface for guiding the treated product that has been conveyed from the upper transport unit on the forward conveying portion, and covers the front Symbol guide section and openable cover portion,
At the time of cleaning the upper transport unit in a state where the cover unit is opened, cleaning water overflowing from the upper transport unit through the guide unit flows out to the front transport unit,
The cover portion has a side cover portion that covers at least a part of a side of the guide portion,
On a surface of the side cover portion facing the guide portion, a detection unit for detecting clogging of a processing object in the reduction transport unit is fixed,
The cover portion is formed by opening the guide portion by being removed,
A combine characterized in that: The cover portion has a first upper cover portion that covers at least a part of the upper portion of the guide portion and is freely openable,
A second upper cover part that covers at least a part of the upper part of the upper transport part and is freely openable;
A combine according to claim 1. A third upper cover part that covers at least a part of the upper part of the front transport unit and is openable,
A combine according to claim 2. The first upper cover portion and the second upper cover portion are integrally formed,
The combine according to claim 2 or 3.

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