JP2018174822A - Combine-harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase an area of an opening part formed on a partition wall for improving maintain ability around an engine.SOLUTION: There is provided a combine harvester 1 comprising: a drive part 9 on which a driver seat 11 on which an operator is seated, is arranged; and an engine room 15 in which an engine 14 is arranged, and comprising a partition wall 30 for partitioning the drive part 9 and the engine room 15 on at least a lower side of the drive seat 11. The partition wall 30 comprises an inclined plane part 33 which is inclined so that an upper side thereof is retreated and covers a front side and an upper side of an upper space of the engine 14, the inclined plane part 33 comprises an opening part 34 for communicating the drive part 9 and the engine room 15, and a detachment cover 35 having an attachment plane which is along the inclined plane part 33 and covering the opening 34 so as to be opened and closed.SELECTED DRAWING: Figure 7

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a combine provided with a partition wall that divides an operating unit and an engine room.

  The combine is provided with an engine room in which the engine is arranged, and an operation unit in which a driver's seat where the operator sits is arranged. Under the driver's seat, a partition wall is provided to divide the operation unit and the engine room ing.

  In this type of combine, when performing maintenance around the engine, the entire cabin can be turned to the outer side of the machine (see Patent Document 1), or the partition wall of the cabin is opened and closed according to the attachment and detachment of the detachable cover. It is known that an opening is provided and maintenance around the engine is performed from the driving unit side via the opening.

Patent No. 5155579

  In the former case, the engine room can be opened over a wide range according to the rotation of the entire cabin, which has the advantage of excellent maintainability, but requires a large-scale rotation mechanism that makes the entire cabin rotatable. There is a risk of increasing the weight and the cost. On the other hand, in the latter, although cost increase can be avoided, it is difficult to take a wide area of the opening, because the conventional partition wall has a step shape combining the surface facing forward and the surface facing upward. There was a problem that it was inferior to maintainability.

The present invention has been made to solve these problems in view of the above situation, and the invention of claim 1 relates to an operation unit in which a driver seat on which an operator sits and an engine. An engine room to be disposed, comprising: a partition wall that divides the driving unit and the engine room at least below the driver's seat, and the partition wall is inclined so as to move backward toward the upper side An inclined surface portion covering the front and upper side of the upper space of the engine, the inclined surface portion having an opening for communicating the driving portion with the engine room, and a mounting surface along the inclined surface, the opening And a detachable cover that covers the rear cover in an openable and closable manner.
The invention according to claim 2 is the combine according to claim 1, wherein the inclined surface portion is provided from the lower side of the driver seat to the rear of the driver seat, and the opening portion is the driver seat And the rear of the driver's seat.
The invention according to claim 3 is the combine according to claim 1 or 2, wherein the removable cover is provided with a recess into which a part of the driver's seat is inserted.
The invention according to claim 4 is the combine according to any one of claims 1 to 3, wherein the driver's seat is attachable to and detachable from the partition wall.
The invention according to claim 5 is the combine according to any one of claims 1 to 4, wherein an air cleaner for purifying the intake air of the engine is discharged from the engine into the space above the engine. At least one of a particulate matter removing device for removing particulate matter in exhaust gas and a nitrogen oxide purification device for purifying nitrogen oxide in the exhaust gas, the engine, the air cleaner, A maintenance space for maintaining an upper portion of the engine may be provided between the particulate matter removing device or the nitrogen oxide purification device.

According to the first aspect of the present invention, the partition wall has an inclined surface portion which is inclined so as to be retreated toward the upper side and covers the front and upper side of the upper space of the engine, and the operating portion and the engine room are Since the opening for communicating is formed, the area of the opening can be increased, and the maintainability around the engine can be improved. In addition, since the removable cover that covers the opening portion so as to be openable and closable has a mounting surface along the inclined surface portion, it is possible not only to reliably cover the opening portion, but also to be thin.
Further, according to the invention of claim 2, the inclined surface portion is provided from below the driver's seat to the rear of the driver's seat, and the opening is formed from the bottom of the driver's seat to the rear of the driver's seat. The open space above the engine can be widely opened to further improve the maintainability.
Further, according to the invention of claim 3, since the removable cover is provided with the concave portion into which a part of the driver's seat is inserted, the space in front of the driver's seat can be widened.
Further, according to the invention of claim 4, since the driver's seat is detachable from the partition wall, maintenance around the engine can be performed through the opening without being disturbed by the driver's seat.
According to the invention of claim 5, at least one of the air cleaner, the particulate matter removing device, and the nitrogen oxide purification device is disposed in the upper space of the engine, and the engine, the air cleaner, the particulate matter Since the maintenance space for maintaining the upper part of the engine is provided between the removing device or the nitrogen oxide purification device, the air cleaner and the particulate matter in the space above the engine can be provided without reducing the maintainability of the engine. A removal device or a nitrogen oxide purification device can be arranged.

It is a right side view of the combine concerning an embodiment of the present invention. It is a left side view of the combine concerning an embodiment of the present invention. It is a top view of the combine concerning an embodiment of the present invention. It is a principal part left side view of the combine concerning an embodiment of the present invention. It is a principal part rear view of the combine concerning an embodiment of the present invention. It is a principal part right side view of the combine concerning an embodiment of the present invention. It is a principal part right view showing a state where a removable cover and a driver's seat of a combine according to an embodiment of the present invention are removed. It is a perspective view showing a cabin concerning an embodiment of the present invention. It is the perspective view which abbreviate | omitted the right front pillar of the cabin which concerns on embodiment of this invention. It is a perspective view which shows the state which removed the driver's seat of the cabin based on embodiment of this invention. It is a perspective view which shows the state which removed the attachment or detachment cover of the cabin which concerns on embodiment of this invention. It is a perspective view of the removable cover which concerns on embodiment of this invention, (a) is the perspective view which looked at the removable cover from the front side, (b) is the perspective view which looked at the removable cover from the back side. It is a figure of the driver's seat and driver's seat support device which concern on embodiment of this invention, (a) is a side view of a driver's seat and driver's seat support device, (b) is a front view of driver's seat and driver's seat support device. . It is a sectional view of a removable cover concerning an embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described based on the drawings. In FIGS. 1 to 3, 1 is a combine, and the combine 1 is movably connected to a traveling machine body 4 provided with a crawler type traveling unit 3 below the machine body frame 2 and a front portion of the traveling machine body 4 And a threshing part 6 disposed on the left side of the traveling machine body 4 and threshing and sorting kernels from the stems removed by the pretreatment unit 5; and a threshing part disposed on the right side of the traveling machine body 4 A grain tank 7 for storing grains sorted by 6, a discharge auger 8 for discharging grains in the grain tank 7 to the outside of the machine, and a right side of the traveling vehicle 4 and disposed on the front side of the grain tank 7 And an operating unit 9.

  The driving unit 9 includes a cabin 10 that covers a driving space, and in the driving space covered by the cabin 10, a driving seat 11 on which an operator sits and various operation tools are disposed. The cabin 10 has an entrance 10a on the right side, and an operator can get on / off via the entrance 10a. In addition, the cabin 10 includes a sliding door 12 that covers the entrance 10 a, and the entrance 10 a is opened and closed based on the sliding operation of the door 12.

  As shown in FIGS. 4 to 6, an engine room 15 for housing an engine 14 and the like is formed behind and below the driver's seat 11 and in front of the grain tank 7. A radiator 16 and a cooling fan 17 are disposed in the vicinity of the right side of the engine 14, and according to the driving of the cooling fan 17, engine cooling air is introduced into the engine compartment 15 from the right side of the machine via the dustproof net 15 a. . The engine compartment 15 is covered forward and aft, and the left side is open, so that the engine cooling air introduced into the engine compartment 15 passes mainly through the periphery of the engine 14 after passing through the radiator 16 It is discharged to the left of the room 15.

  An intake path for introducing the intake air from the outside of the engine and an exhaust path for discharging exhaust gas to the outside are connected to the engine 14. In the intake path, a precleaner 18 and an air cleaner 19 are provided, and outside air cleaned by the precleaner 18 is connected via an intake connection pipe 20 that connects the intake outlet of the precleaner 18 and the intake inlet of the air cleaner 19. While being drawn into the air cleaner 19, the air purified by the air cleaner 19 is drawn into the engine 14 through the intake pipe 21 connecting the intake outlet of the air cleaner 19 and the intake port of the engine 14.

  A particulate matter removal device 22 (DPF: Diesel Particulate Filter) and a nitrogen oxide purification device 23 (SCR: Selective Catalytic Reduction) are provided in the exhaust path, and the exhaust gas of the engine 14 is an exhaust port of the engine 14 The exhaust gas is discharged to the particulate matter removing device 22 through the exhaust pipe 24 connecting the air and the exhaust gas inlet of the particulate matter removing device 22, and the exhaust gas purified by the particulate matter removing device 22 removes the particulate matter The exhaust gas is discharged to the nitrogen oxide purification device 23 through an exhaust connection pipe 25 connecting the exhaust outlet of the device 22 and the exhaust inlet of the nitrogen oxide purification device 23. The exhaust gas purified by the nitrogen oxide purification device 23 is discharged to the outside through a tail pipe 26 having one end connected to the exhaust outlet of the nitrogen oxide purification device 23 and an exhaust outlet 26a at the other end. Be done.

  Incidentally, the precleaner 18 is a device that generates a vortex by the force of intake air and separates large dust in intake, and the air cleaner 19 is a device that filters intake air by a replaceable element. The particulate matter removing device 22 is a device for removing particulate matter in the exhaust gas, and removes the trapped particulate matter by combustion or the like in order to eliminate clogging due to the trapped particulate matter. The reproduction means is provided. Further, the nitrogen oxide purification device 23 is a device for purifying nitrogen oxides in the exhaust gas, and specifically, urea water is injected into the exhaust gas, and nitrogen oxides, water vapor, etc. are contained in the exhaust gas. Convert to harmless.

  The air cleaner 19, the particulate matter removing device 22 and the nitrogen oxide purification device 23 are disposed in the space above the engine 14. A frame member (not shown) erected from the airframe frame 2 is disposed in the upper space of the engine 14, and the air cleaner 19, the particulate matter removing device 22 and the nitrogen oxide purification device for the frame member are disposed. 23 is mounted and supported. In the present embodiment, the air cleaner 19 is disposed right above the engine 14, the particulate matter removing device 22 is disposed behind the air cleaner 19, and the nitrogen oxide above the air cleaner 19 and the particulate matter removing device 22. In arranging the purification device 23, a maintenance space S1 for maintaining the upper portion of the engine 14 is provided between the engine 14 and the air cleaner 19. Thus, the air cleaner 19, the particulate matter removing device 22 and the nitrogen oxide purification device 23 are disposed in the space above the engine 14 without reducing the maintainability of the engine 14.

  Below, the structure of the cabin 10 (driving part 9) is demonstrated with reference to FIGS. 7-14.

  The cabin 10 is provided with a partition wall 30 that divides the driver 9 and the engine room 15 below the driver's seat 11. The partition wall 30 rises vertically from the rear end of the floor 31 of the cabin 10, and extends in an inclined manner so as to retract backward from the upper end of the vertical surface 32 covering the front of the engine 14 and the upper surface of the vertical surface 32 And an inclined surface portion 33 covering the front and the upper side of the upper space. Further, the inclined surface 33 has a maintenance opening 34 for communicating the driving unit 9 and the engine room 15, a mounting surface 35a along the inclined surface 33, and a removable cover 35 covering the opening 34 so as to be openable and closable. And.

  The inclined surface portion 33 is provided in a wide range extending from below the driver's seat 11 to the rear of the driver's seat 11, and the opening 34 extends from the lower portion of the driver's seat 11 to the rear of the driver's seat 11. It is formed to open substantially the entire height direction.

  The removable cover 35 is provided with a recess 35 b in which a part of the driver's seat 11 is inserted in the middle in the height direction. The driver's seat 11 includes a seat 11a and a backrest 11b that rises from the rear end of the seat 11a, and the rear end of the seat 11a and the lower end of the backrest 11b have a detachable cover 35. It is arrange | positioned so that it may entrap in the recessed part 35b of.

  A driver's seat support device 36 that supports the driver's seat 11 so that position adjustment is possible is attached to the partition wall 30. The driver's seat support device 36 of the present embodiment includes a height adjustment unit 38 that allows height adjustment of the driver's seat 11 according to the operation of the height adjustment lever 37 and a driver's seat according to the operation of the front / rear position adjustment lever 39. And a mounting portion 41 provided integrally with the height adjusting portion 38 and attached to the partition wall 30.

  The mounting portion 41 of the driver seat support device 36 is fastened only to the surface facing the front of the partition wall 30. Specifically, the mounting portion 41 extends downward from the lower end portion of the height adjustment portion 38, and a downward extension portion 41a having two fastening portions T1 and T2 aligned vertically, and the height adjustment portion 38 A rear extension 41b having two fastening portions T3 and T4 linearly extending from the upper end to the rear lower side and aligned laterally is provided on the vertical surface 32 of the partition wall 30. Fastening is performed, and the fastening portions T3 and T4 are fastened to the inclined surface portion 33 (detachable cover 35) of the partition wall 30.

  As described above, since the mounting portion 41 of the driver seat support device 36 is fastened only to the surface facing the front of the partition wall 30, the driver seat support device 36 and the driver seat 11 are partitioned only by the fastening release operation from the front. It can be easily removed from the wall 30. For example, an operator in a state of getting down from the vehicle body can also access the fastening portions T1 to T4 through the entrance 10a and remove the driver seat support device 36 and the driver seat 11.

  Further, a space portion S2 having a triangular shape in a side view is formed between the inclined surface portion 33 of the partition wall 30 and the lower surface of the driver seat 11. According to such a space portion S2, not only can the driver's seat 11 and the driver's seat support device 36 be exposed to further improve the attachment / detachment work efficiency, but also the space between the partition wall 30 and the operator's foot By interposing the part S2, it is possible to suppress the heat from the engine room 15 from being transmitted to the foot of the operator.

  Next, specific configurations of the partition wall 30 and the removable cover 35 will be described with reference to FIGS. 10 to 12 and 14.

  As shown in FIGS. 10 and 11, the partition wall 30 includes a frame F which is a framework of the partition wall 30, a lower panel P1 attached to the frame F and constituting the above-described vertical surface portion 32, and the frame F Attached to the left side of the inclined surface portion 33 described above, the upper panel P3 attached to the frame F and covering the upper portion of the inclined surface portion 33, and the frame F attached and removed so as to cover the opening 34 And a removable cover 35 described above which is mounted so as to constitute the right side of the inclined surface portion 33.

  Furthermore, on the back side of the partition wall 30, two driver seat reinforcing members for reinforcing the fastening portion between the opening portion reinforcing member (not shown) for reinforcing the peripheral portion of the opening portion 34 and the aforementioned fastening portions T1 to T4. 44 and 45 are provided. The opening portion reinforcing member of the present embodiment is provided as a part of the frame F, and the detachable cover 35 is fixed to the opening portion reinforcing member via a plurality of bolts B. Further, the right side of the opening reinforcing member is attached and supported using the door receiving frame 60 which is a post on the entrance side, and the inclination of the inclined surface portion 33 is formed along the inclination of the door receiving frame 60.

  As shown in FIG. 11, the first driver seat reinforcing member 44 is provided on the back surface side of the lower panel P1 in a state in which the upper and lower end portions are connected to the frame F, and is fastened to the fastening portions T1 and T2. Further, the second driver seat reinforcing member 45 is provided on the back surface side of the removable cover 35 in a state where the left and right end portions are connected to the frame F, and is fastened to the fastening portions T3 and T4.

  The second driver seat reinforcing member 45 of the present embodiment includes a reinforcing member main body 45 a integrally attached to the back surface of the removable cover 35 and a pair of left and right connecting portions 45 b projecting from the frame F into the opening 34. And are formed separately. Then, in a state where the removable cover 35 covers the opening 34, the left and right ends of the reinforcing member main body 45a are connected to the left and right connecting parts 45b via the bolts B for securing the removable cover, for the second driver seat When securing the necessary strength of the reinforcing member 45 and removing the removable cover 35 to open the opening 34, the reinforcing member main body 45a is removed integrally with the removable cover 35, thereby the second driver seat reinforcing member It is possible to avoid that 45 gets in the way of maintenance.

  As shown in FIGS. 12 and 14, the removable cover 35 of this embodiment includes the cover main body 46, the pair of left and right side covers 47, the removable cover reinforcing members 48 and 49, and the reinforcing member main body 45a described above. Integrally

  The cover main body 46 is formed of a single metal plate, and the concave portion 35b described above is formed by bending the single plate at four points. The detachable cover reinforcing members 48 and 49 are metal plate members having an L-shaped cross section, and are integrally welded from the back surface side along the four sides of the cover main body 46. The side cover 47 is welded to the cover main body 46 and the detachable cover reinforcing member 48 so as to cover a gap formed between the cover main body 46 and the detachable cover reinforcing member 48.

  The attachment / detachment cover 35 configured in this manner overlaps the attachment surface 35a formed by the attachment / detachment cover reinforcing members 48 and 49 on the peripheral edge of the opening 34, and a plurality of attachment holes are formed along the peripheral edge. A bolt B is inserted into 35c and fastened to the opening reinforcing member 60 so as to be integrally attached to the frame F side.

  A first sponge member (not shown) is nipped across the entire circumference of the opening 34 between the mounting surface 35 a of the removable cover 35 overlapping each other and the inclined surface 33 of the partition wall 30. According to such a first sponge member, not only noise transmitted from the engine room 15 to the cabin 10 can be reduced, but also intrusion of dust into the cabin 10 can be prevented.

  Further, in the present embodiment, as shown in FIG. 14, the second sponge member 50 is also formed between the falling portion 34 a formed on the peripheral portion of the opening 34 and the falling portion 48 a of the detachable cover reinforcing member 48. In between. According to the second sponge member 50, not only the noise reduction effect and the dustproof effect can be enhanced, but also the noise reduction effect to some extent even if the first sponge member is deteriorated, as compared with the case of using only the first sponge member. And it becomes possible to maintain the dustproof effect.

  The removable cover 35 of the present embodiment includes a small window 35 d and a lid 35 e that covers the small window 35 d so as to be able to open and close the small window 35 d. During simple maintenance, removing the removable cover 35 and the driver's seat 11. Instead, the engine room 15 can be accessed simply by removing the lid 35e.

  According to the present embodiment configured as described above, the partition wall 30 has the inclined surface 33 that is inclined so as to be retracted toward the upper side and covers the front and the upper part of the upper space of the engine 14. Since the opening 34 communicating the driving unit 9 and the engine compartment 15 is formed, the area of the opening 34 can be increased, and the maintainability around the engine can be improved.

  In addition, since the removable cover 35 that covers the opening 34 so as to be openable and closable has the mounting surface 35a along the inclined surface 33, it is possible not only to reliably cover the opening 35 but also to be thin.

  Further, the inclined surface portion 33 is provided from below the driver's seat 11 to the rear of the driver's seat 11, and the opening 34 is formed from the bottom of the driver's seat 11 to the rear of the driver's seat 11. The open space above can be widely opened to further improve the maintainability.

  Moreover, since the removable cover 35 is provided with the recessed part 35b which a part of driver's seat 11 entraps, the front space of the driver's seat 11 can be made wide.

  Moreover, since the driver's seat 11 is detachable with respect to the cabin 10, maintenance around the engine can be performed via the opening 34 without being disturbed by the driver's seat 11.

  Further, at least one of the air cleaner 19, the particulate matter removing device 22, and the nitrogen oxide purification device 23 is disposed in the space above the engine 14, and the engine 14, the air cleaner 19, and the particulate matter removing device 22 Or, since the maintenance space S1 for maintaining the upper part of the engine 14 is provided between the and the nitrogen oxide purification device 23, the air cleaner 19 can be provided above the engine 14 without reducing the maintainability of the engine 14. The particulate matter removal device 22 or the nitrogen oxide purification device 23 can be disposed.

DESCRIPTION OF SYMBOLS 1 Combine 9 Driving unit 10 Cabin 10a Entrance / exit 11 Driver seat 14 Engine 15 Engine room 19 Air cleaner 22 Particulate matter removing device 23 Nitrogen oxide purification device 30 Partition wall 33 Sloped surface portion 34 Opening 35 Detachable cover 35a Mounting surface 35b Concave portion 36 Driver seat support device S1 Maintenance space S2 Space part

Claims (5)

A driving unit in which a driver's seat where the operator sits is disposed
And an engine room in which an engine is disposed.
A partition wall is provided to partition the driving unit and the engine room at least below the driver's seat,
The partition wall is
It has an inclined surface portion which is inclined so as to move backward toward the upper side and covers the front and the upper side of the space above the engine,
The inclined surface portion is
An opening for communicating the driver with the engine room;
And an attaching / detaching cover having an attaching surface along the inclined surface and covering the opening so as to be openable / closable. The inclined surface portion is provided from below the driver's seat to the rear of the driver's seat,
The combine according to claim 1, wherein the opening is formed from under the driver's seat to the rear of the driver's seat.   The combine according to claim 1 or 2, wherein the removable cover includes a recess into which a part of the driver's seat is inserted.   The combine according to any one of claims 1 to 3, wherein the driver's seat is attachable to and detachable from the partition wall.   In the space above the engine, an air cleaner for purifying the intake air of the engine, a particulate matter removing device for removing particulate matter in exhaust gas discharged from the engine, and nitrogen oxides in the exhaust gas are purified At least one of the nitrogen oxide purification devices is disposed, and the upper portion of the engine is maintained between the engine and the air cleaner, the particulate matter removal device, or the nitrogen oxide purification device. 5. A combine according to any one of the preceding claims, characterized in that a maintenance space is provided.

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