JP2013013331A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester which adopts an operation cabin where a front wall of the operation cabin is placed at the upper part of a front operation panel, and which has a cab formed so that a control device can easily be handled, and a seal is formed between the front wall of the operation cabin and the front operation panel in a simple structure.SOLUTION: The operation cabin is formed so that the lower end part 22d of the front wall 22 of the operation cabin overlaps the upper end part 31a of the front operation panel 31 in back and forth direction of the machine frame, in front of the upper end part 31a of the front operation panel 31. A front cover 70 is provided which extends from the lower end part 22d of the front wall 22 of the operation cabin toward the lower side of the machine frame and has an extended end portion placed on the front side of the front operation panel 31.

Description

  The present invention includes a front driving panel provided in front of the driver's seat in an upright posture and an operating tool, and a driving cabin having a front wall positioned above the front driving panel to form a driver's cab. About the combine.

  Conventionally, for example, as disclosed in Patent Document 1, there is a combine provided with a front operation panel and a cabin as an operation cabin.

JP 2006-238793 A

  In a combine with a driving part equipped with a front driving panel provided in front of the driver's seat in a vertical attitude, the driver's cab is adopted by adopting a driving cabin in which the front wall of the driving cabin is located above the front driving panel. When the distance between the operation tool provided on the front operation panel and the front wall of the operation cabin that is positioned in front of the operation tool is reduced, it becomes difficult to handle the operation tool. In addition, since the lower end of the front wall of the driving cabin is located near the upper end of the front driving panel, it is necessary to avoid rainwater from entering between the front wall of the driving cabin and the front driving panel. .

  An object of the present invention is to form a cab by adopting a driving cabin in which the front wall of the driving cabin is located above the front driving panel, while being able to easily handle the operation tool and the front wall of the driving cabin An object of the present invention is to provide a combine that can simplify the structure of a seal between front operation panels.

According to the first aspect of the present invention, a front driving panel provided in front of the driver's seat in an upright posture and provided with an operation tool, and a driving cabin having a front wall located above the front driving panel and forming a driver's cab. In a combine with
The driving cabin is configured such that the lower end portion of the front wall of the driving cabin is positioned in front of the upper end portion of the front driving panel so as to overlap the upper end portion of the front driving panel in the longitudinal direction of the fuselage,
A front cover is provided that extends downward from the lower end of the front wall of the driving cabin and has an extended end located on the front side of the front driving panel.

According to the configuration of the first aspect of the present invention, the lower end portion of the front wall of the driving cabin is positioned in front of the upper end portion of the front driving panel, so that the space between the front wall of the driving cabin and the operation tool can be ensured as wide as possible. The wide spacing makes it easy to handle the operating tool.
Even if there is a gap between the upper end of the front operation panel and the front wall of the operation cabin, the front wall of the operation cabin overlaps with the upper end of the front operation panel in the longitudinal direction of the aircraft, and rainwater etc. Becomes difficult to enter. Further, the gap between the front operation panel and the operation cabin can be covered with the front cover, and as a whole, it is easy to avoid the intrusion of rainwater between the front wall of the operation cabin and the front operation panel.

  Therefore, it is easy to handle the operation tool and to easily operate and control the working unit and the aircraft. In spite of this, it is possible to avoid the rainwater intrusion with a simple structure in which the front operation panel and the front wall of the operation cabin are overlapped and the front cover is provided, which can be advantageously obtained economically.

  In the second aspect of the invention, a seal member that seals between the front wall and the front operation panel is disposed on the back side of the front cover, and the seal holding member that holds the seal member is disposed on the front wall side or the front side. It is provided on the cover side.

  According to the configuration of the second invention, the space between the front wall of the operation cabin and the front operation panel can be sealed on the back side of the front cover by the seal member. Even if a manufacturing error or assembly error may occur in the front cover, the relative position of the front wall of the driving cabin and the front driving panel using the overlap of the lower end of the front wall of the driving cabin with the front driving panel By making the adjustment, it is possible to absorb the manufacturing error and the assembly error so that the seal member can act with high accuracy.

  Therefore, it is possible to improve the environment so that the driver's cab can be driven lightly by preventing rainwater from entering between the front driving panel and the front wall of the driving cabin.

  In the third aspect of the present invention, a seal member is attached to the extended end portion of the front cover in a state of being applied to the front surface of the front operation panel.

  According to the configuration of the third aspect of the present invention, the seal member is disposed at a location where the front cover of the front wall of the operation cabin is removed by the front cover from the portion overlapping the front operation panel, and where a large installation space for the seal member can be secured. It is possible to make the seal member relatively large and make it contact over a wide range of the front surface of the front operation panel.

  Accordingly, it is possible to achieve a favorable environment so that the cab can be operated lightly with good sealing by the sealing member.

  According to the fourth aspect of the present invention, the front operation panel includes a main operation panel and a sub operation panel that are connected to each other and are arranged on the left and right.

  According to the configuration of the fourth aspect of the invention, the front operation panel is not manufactured all at once, but is manufactured separately into a main operation panel and a sub operation panel that are smaller than the entire front operation panel. It is possible to adopt a production and assembly method in which the sub-operation panel is separately assembled to the airframe to complete the entire front operation panel.

  Therefore, the front operation panel can be easily manufactured by being divided into the main operation panel and the sub operation panel, and can be obtained at low cost by being assembled.

  In the fifth aspect of the invention, the end portion of the auxiliary operation panel is arranged in front of or behind the main operation panel.

  According to the configuration of the fifth aspect of the present invention, it is easy to avoid the intrusion of rainwater between the two panels by overlapping the sub-operation panel and the main operation panel.

  Therefore, while the front operation panel can be manufactured separately and assembled into a main operation panel and a sub operation panel, it can be obtained at a low cost, but in a high quality state where it is easy to avoid rainwater intrusion from both panels. Can be obtained.

  In the sixth aspect of the present invention, the front cover is provided on the front side of the main operation panel and the sub operation panel.

  According to the configuration of the sixth aspect of the invention, the front side of the portion where the main operation panel and the sub operation panel are connected can be covered with the front cover, and even if a gap is generated between both operation panels, rainwater intrusion or the like hardly occurs. Thus, the gap can be covered with the front cover.

  Accordingly, while the front operation panel can be manufactured separately and assembled into a main operation panel and a sub operation panel, the front operation panel can be obtained at a low cost, but there may be a gap between the main operation panel and the sub operation panel. However, it is possible to easily avoid the intrusion of rainwater from the gap, and the cost can be obtained from this surface.

In the seventh aspect of the invention, the end of the auxiliary operation panel is arranged in front of the main operation panel,
A lateral end portion of the front cover enters between a portion of the main operation panel that overlaps the sub operation panel and a portion of the sub operation panel that overlaps the main operation panel.

  According to the configuration of the seventh aspect of the invention, the lateral end portion of the front cover can be inserted between the auxiliary operation panel and the main operation panel so as not to be exposed to the outside.

  Therefore, when the gap between the front wall of the driving cabin and the front driving panel is covered by the front cover so that rainwater does not easily enter, the side edge of the front cover is not exposed to the outside, and it does not interfere with car washing work etc. Can be obtained at

  In the eighth aspect of the invention, a seal member is provided at a portion where the main operation panel and the sub operation panel are connected to each other.

  According to the configuration of the eighth aspect of the present invention, it is possible to satisfactorily seal between the two panels at the portion where the main operation panel and the sub operation panel are connected with each other by the seal member.

  Therefore, while the front operation panel can be manufactured separately and assembled into a main operation panel and a sub-operation panel, it can be obtained at low cost, but it can prevent rainwater intrusion from both panels well, and so on. Can be obtained at

  In the ninth aspect of the invention, the auxiliary operation panel is arranged on the lateral outer side of the main operation panel, and a direction indicator is attached to the auxiliary operation panel.

  According to the configuration of the ninth aspect of the present invention, the direction indicator and its wiring can be taken out and pulled out by removing the auxiliary operation panel even if the main operation panel is left attached to the airframe.

  Therefore, in order to inspect and repair the direction indicator and its wiring, it is possible to perform the work efficiently by removing or pulling out the direction indicator and the wiring simply by removing the sub-operation panel.

  In the tenth aspect of the invention, the auxiliary operation panel is formed such that a rear end portion thereof is positioned along a front side edge of the fuselage at the entrance / exit of the operation cabin, and the rear end portion of the auxiliary operation panel is the main operation panel. It is located in front of the rear end of the panel in the longitudinal direction.

  According to the configuration of the tenth aspect of the present invention, a column installation space is ensured at a location located on the rear side of the fuselage of the auxiliary operation panel and located on the side of the main operation panel, and the operation cabin is provided in the column installation space. The column of the driving cabin can be positioned as far forward as possible, and the front edge of the cabin of the driving cabin can be installed as far forward as possible to widen the width of the doorway of the driving cabin.

  Therefore, getting on and off the driver's cab can be facilitated by the wide entrance.

It is a side view which shows the whole combine. It is a top view which shows the whole combine. It is a side view which shows an operation part and a drive part. It is a top view which shows a driving | operation part and a drive part. It is a front view which shows an operation part. It is a perspective view in the decomposition state of a front operation panel. It is a vertical side view which shows the arrangement | positioning part of a front cover and a sealing member. (A) is a sectional view taken along the line VIIIa-VIIIa in FIG. 5, (b) is a sectional view taken along the line VIIIb-VIIIb in FIG. 5, and (c) is a sectional view taken along the line VIIIc-VIIIc in FIG. It is a side view which shows the driving | running part and driving | running | working part in the model which is not equipped with a driving | running cabin. It is a top view which shows the driving | running part and driving | running | working part in the model which is not equipped with a driving | running cabin. It is a front view which shows the driving | running part and driving | running | working part in the model which is not equipped with a driving | running cabin. It is a side view which shows the site | part which has arrange | positioned the front cover and seal member of the combine provided with the 1st another implementation structure. (A) is a front view which shows the operation part of the combine provided with 2nd another implementation structure, (b) is a XIIIb-XIIIb cross-sectional arrow view of Fig.13 (a).

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view showing the entire combine according to the embodiment of the present invention. FIG. 2 is a side view showing the entire combine according to the embodiment of the present invention. As shown in these drawings, the combine according to the embodiment of the present invention is configured to be self-propelled by a pair of left and right crawler type traveling devices 1 and 1, and is provided at a lateral end on the front end side of the body. A traveling machine body having a part 2 and a driving part 3, a cutting part 5 connected to the front end of the body frame 4 of the traveling machine body, and a rear part of the body frame 4 arranged behind the cutting part 5. The threshing device 6, a grain tank 7 disposed on the rear side of the machine frame 4 and disposed on the lateral side of the threshing device 6, and a waste straw treatment device 8 connected to the rear portion of the threshing device 6. It consists of rice and wheat harvesting operations.

  In other words, the cutting unit 5 includes a cutting unit frame 5a that extends from a location located on the lateral side of the operating unit 2 of the body frame 4 so as to swing up and down in front of the body, and the cutting unit frame 5a is hydraulically operated. By moving up and down by a cylinder (not shown), the weeding tool 5b provided at the front end of the cutting unit 5 is lowered to the ground and the weeding tool 5b is raised from the ground. Ascending and descending operation is performed to the raised non-working position.

  When the mowing unit 5 is lowered to the lowering operation position and the traveling machine is run, the mowing unit 5 causes the planted cereal to be harvested by the weeding tool 5b to be introduced into the device 5c and caused to cause the clipper-shaped mowing. The device 5d cuts and the harvested cereal meal is supplied to the threshing device 6 by the supply device 5e. The threshing device 6 supplies the tip of the supplied harvested culm to a handling room (not shown) to perform threshing processing, and supplies the threshing waste straw to the waste straw processing device 8. The waste straw processing apparatus 8 discharges the supplied threshing waste straw in the state of a long straw to the rear of the aircraft, or shreds the supplied threshing waste straw in the slimming direction to remove the shredded straw from the rear of the aircraft. To release. The grain tank 7 collects and stores the threshed grains conveyed from the threshing device 6 and carries the stored threshed grains by an auger 9 formed of a screw conveyor.

The driving unit 3 will be described.
As shown in FIGS. 1, 3, and 4, the prime mover 3 is provided with an engine bonnet 11 disposed below the rear portion of the operation cabin 20 and supported by the body frame 4. The engine bonnet 11 and the engine bonnet The engine 13 provided in the engine room formed by the horizontal side wall 12 provided in 11 fuselage lateral outer sides is provided.

  A plate-like dust removing material 14 is provided on the lateral side wall 12, and the engine 13 is cooled by sucking engine cooling air from the outside to the inside of the engine bonnet 11 through a through hole provided in the dust removing material 14. Yes. An air cleaner 17 is provided in an air cleaner chamber formed by providing an upper structure 16 on the rear upper side of the engine bonnet 11, and a pre-air cleaner 18 is provided near the rear side of the ceiling portion 21 in the operation cabin 20. The air cleaner 17 communicates with the air cleaner 17 via the intake pipe 19 and is configured to supply combustion air from the outside of the engine bonnet 11 to the engine 13 via the pre-air cleaner 18 and the air cleaner 17.

The driving unit 2 will be described.
As shown in FIGS. 1, 3, and 4, the driving unit 2 includes a driving seat 30 provided on the top plate of the engine bonnet 11, and a front driving panel 31 provided in front of the driving seat 30 in an upright posture. The driving seat 30 includes a side driving panel 38 provided from the side of the upper structure 16 formed with the air cleaner chamber to the side edge of the front driving panel 31 and the driving cabin 20 on the side of the cutting portion side of the driving seat 30. It is.

  As shown in FIGS. 3, 4, 5, and 6, the front operation panel 31 includes a panel frame (not shown) that protrudes upward from the operation frame portion 4 a provided in the body frame 4, and the front operation panel 31. A front vertical plate 32 that forms the front face F of the panel 31, a pair of left and right horizontal vertical plates 33 and 34 that form a pair of left and right lateral surfaces of the front operation panel 31, and a top plate 35 that forms the upper surface of the front operation panel 31. And is configured. The front operation panel 31 is provided with a lever-type operation tool 40 that protrudes upward from the end of the top panel 35 on the operation cabin entrance side.

  The operation tool 40 is supported so as to be swingable in the longitudinal direction of the machine body and in the lateral direction of the machine body. The operating tool 40 is linked to an operating portion of a hydraulic cylinder that moves the mowing unit 5 up and down so that the mowing unit 5 moves up and down by swinging in the longitudinal direction of the machine body. The operating tool 40 is a pair of left and right steering clutches that individually drive and stop the pair of left and right crawler type traveling devices 1 and 1 so as to turn the traveling body by swinging in the lateral direction of the body. (Not shown).

  A main transmission lever 41 and a sub-transmission lever 42 are arranged in the lateral direction of the fuselage in the front end portion of the top plate 38a constituting the side operation panel 38, and a threshing clutch lever 43 and a cutting clutch lever are provided in the middle portion in the front-rear direction of the top plate 38a. 44 are arranged in the horizontal direction of the machine body, and a discharge lever 45, a redshift gear lever 46, and a drainage processing lever 47 are arranged in the horizontal direction of the machine body at the rear end of the top plate 38a.

  The main speed change lever 41 is used for speed change operation of a hydrostatic continuously variable transmission (not shown) that changes the output of the engine 13 and transmits it to the pair of left and right crawler travel devices 1, 1. The auxiliary transmission lever 42 is used to change the speed of an auxiliary transmission (not shown) that changes the output of the engine 13 and transmits it to the pair of left and right crawler travel devices 1, 1. The threshing clutch lever 43 is for switching the transmission from the engine 13 to the threshing device 6 between the on state and the off state. The mowing clutch lever 43 is for switching the transmission from the engine 13 to the mowing unit 5 between the on state and the off state. The discharge lever 45 drives and stops the auger 9. The red pepper speed change lever 46 changes the drive speed of the red pepper (not shown) provided to supply the sorting air to the sorting section of the threshing device 6. The waste straw processing lever 47 switches the processing mode of the threshing waste straw by the waste straw processing apparatus 8 between the long straw discharge and the shredded discharge.

  As shown in FIGS. 3 and 4, the driving cabin 20 has a front wall 22 located above the front driving panel 31 and a left side located on the left side of the driving seat 30 and above the side driving panel 38. A horizontal wall 23, a right horizontal wall 24 positioned on the right side of the driver's seat 30, a rear wall 25 positioned above the upper structure 16 forming the air cleaner chamber, and a ceiling wall 21 are provided. A driver's cab R for accommodating the driver's seat 30 and accommodating the levers 40 to 47 provided on the front operation panel 31 and the side operation panel 38 is formed.

  On the right side wall 24, an entrance 26a of the operation cabin 20 is formed between the side wall 12 formed in the engine room and the auxiliary operation panel 51 constituting the front operation panel 31, and a door 26 for the entrance 26a. Is provided. The door 26 is supported by a right front support 61 positioned on the front side of the body of the doorway 26a via a pair of upper and lower hinges 61a, 61a, and swings around the opening / closing axis of the body vertically.

  The cabin frame 27 included in the driving cabin 20 includes a right front column 61 and a right rear column 62 positioned at two positions on the right side wall 24 and a left front column 63 and a left rear column 64 positioned at two positions on the left side wall 23. The driving cabin 20 is fixed to the traveling machine body by four struts 61 to 64. The right front strut 61 and the right rear strut 62 are disposed so as to be distributed on the front and rear sides of the doorway 26a. The right front strut 61 and the left front strut 63 are arranged such that the positions of both struts 61 and 63 in the front-rear direction of the machine body are the same. The right rear column 62 and the left rear column 64 are arranged so that the positions of both columns 62 and 64 in the front-rear direction of the machine body are the same. The right front support 61 is connected to an operation frame portion 4 a included in the body frame 4. The right rear support 62 is connected to a support portion 12a (see FIG. 1) provided on a side wall frame that forms the side wall 12 of the engine room. The left front column 63 and the left rear column 64 are connected to a panel frame (not shown) provided on the body frame 4 so as to support the side operation panel 38.

  The front wall 22 of the driving cabin 20 is a transparent wall mounted over the upper front wall frame portion 22a and the lower front wall frame portion 22b provided on the cabin frame 27, and the upper front wall frame portion 22a and the lower front wall frame portion 22b. A glass plate 22c is provided.

  As shown in FIGS. 7 and 8, the driving cabin 20 has a lower end portion 22d formed of a lower front wall frame portion 22b and a lower end portion of the glass plate 22c in front of the upper end portion 31a of the front driving panel 31. It is assembled in an assembling posture that overlaps with the front-rear direction of the body with a gap D with respect to the upper end portion 31a. A support member 28 formed of a band plate body integrally formed with the lower front wall frame portion 22b is provided inside the operation cabin of the lower end portion 22d of the front wall 22 of the operation cabin 20, and the front cover 70 is directed downward from the support member 28 to the aircraft body. In addition to extending, the extending end 70 c of the front cover 70 is disposed close to the front surface F of the front operation panel 31. An end portion 70b of the front cover 70 located on the driving cabin entrance 26a side (the right side of the machine body) enters the back side of the upper end portion 51a of the lateral end side portion 51E of the auxiliary operation panel 51 that constitutes the front operation panel 32. An end portion 70a of the front cover 70 located on the side opposite to the driving cabin entrance 26a side (left side of the fuselage) is bent toward the rear of the fuselage and is below the left lateral wall 23 of the driving cabin 20, and is located on the front driving panel. 31 on the front side of the horizontal vertical plate 33 on the left side. The front cover 70 is formed of a synthetic resin material throughout.

  That is, the lower end portion 22d of the front wall 22 of the operation cabin 20 and the upper end portion 31a of the front operation panel 31 overlap with each other in the front-rear direction of the machine body with the gap D therebetween, whereby the distance between the operation tool 40 and the front wall 22 is reduced. 40 is configured to have a wide interval for easy handling. A gap D generated between the lower end portion 22d of the front wall 22 of the driving cabin 20 and the upper end portion 31a of the front driving panel 31 is covered by the front cover 70, and the gap between the front wall 22 of the driving cabin 20 and the front driving panel 31 is covered. It is configured to prevent rainwater from entering.

  As shown in FIGS. 7 and 8, a seal member 75 that seals between the front wall 22 of the operation cabin 20 and the front operation panel 31 is provided on the back side of the front cover 71 so as to be held on the front wall 22 side. . The seal member 75 includes a seal surface 75a that extends over the entire length of the seal member 75 in the vertical direction of the machine body, and the seal surface 75a is supported in a state of being applied to the front surface F of the front operation panel 31. The seal member 75 is disposed below the lower end 22 d overlapping the front operation panel 31 of the front wall 22 in the operation cabin 20. The seal member 75 is formed in an elongated strip shape so as to be positioned along the left horizontal vertical plate 33 as well as along the entire width of the front surface of the main operation panel 50 constituting the front operation panel 31. The seal member 75 includes a band plate-like attachment body 76 provided over the entire length of the seal member 75, and is supported by the seal holding member 28 formed of the holding member 28 on the lower end portion 22 d of the front wall 22 via the attachment body 76. Has been.

  The front operation panel 31 includes a main operation panel 50 that constitutes an inner side portion of the front operation panel 31 (a portion located on the opposite side of the operation cabin entrance 26a side), and an outer side portion of the front operation panel 31 that is adjacent to the airframe. And a sub-operation panel 51 that constitutes a portion located on the side of the operation cabin entrance 26a. The main operation panel 50 and the sub operation panel 51 are connected to each other at the lateral outer end of the main operation panel 50 and the inner lateral end of the sub operation panel 51. Therefore, the auxiliary operation panel 31 is located on the laterally outer side of the aircraft from the main operation panel 50.

  The main operation panel 50 includes a front vertical plate 32 as a whole of the front operation panel 31 and a pre-division vertical plate 32a (hereinafter referred to as a left pre-division vertical plate 32a) positioned on the side opposite to the operation cabin entrance 26a side. And the left pre-division vertical plate 32a among the two pre-division vertical plates 32a and 32b divided into the pre-division vertical plate 32b (hereinafter referred to as the right pre-division vertical plate 32b) located on the driving cabin entrance 26a side. A left horizontal and vertical plate 33, a top plate 35, and a panel frame fixed to the operation frame portion 4 a of the body frame 4. The left front vertical plate 32a and the left horizontal plate 33 are integrally formed of a synthetic resin material. The sub-operation panel 51 includes a right front vertical plate 32b and a right horizontal vertical plate 34. The right vertical plate 32b and the right horizontal plate 34 are integrally formed of a synthetic resin material. The vertical plate 32a before the left division forms the left side portion of the front surface F as the entire front operation panel 31, and the vertical plate 32b before the right division forms the right portion of the front surface F as the whole front operation panel 31. doing.

As shown in FIGS. 4 to 8, the main operation panel 50 and the sub operation panel 51 are separately formed and connected.
That is, the side end 51E of the sub-operation panel 51 in the right front vertical plate 32b extends in the front-rear direction of the fuselage in front of the left front vertical plate 32a of the main operation panel 50 over the entire length in the vertical direction of the sub-operation panel 51. The auxiliary operation panel 51 and the main operation panel 50 are arranged in the aircraft transverse direction in an overlapping arrangement. The main operation panel 50 is connected to a panel frame standing on the operation unit frame 4a of the body frame 4 and supported by the operation unit frame 4a. The auxiliary operation panel 51 is connected to the right front column 61 of the operation cabin 20 by a connection bolt with the right horizontal vertical plate 34 and supported by the operation unit frame 4a.

  The upper end portion 51a of the lateral end side portion 51E of the auxiliary operation panel 51 and the vertical plate portion 32a before the left division of the main operation panel 50 are overlapped with a gap, and overlap the auxiliary operation panel 51 of the main operation panel 50. The lateral end portion 70b of the front cover 70 is inserted between the portion and the portion overlapping the main operation panel 50 of the auxiliary operation panel 51.

  The sub-operation panel 51 and the main operation panel 50 are provided between the sub-operation panel 51 and the main operation panel 50 in a portion located on the lower side of the fuselage from the portion where the lateral end portion 70b of the front cover 70 is inserted. They are connected via a seal member 52.

As shown in FIGS. 1, 3, 4, and 6, the rear end portion 51 r of the horizontal vertical plate 34 as the rear end portion of the sub-operation panel 51 is linear in the vertical direction of the fuselage, and is provided at the entrance 26 a of the operation cabin 20. It is formed so as to be located along the front edge of the body. The sub-operation panel 51 is in an assembled state in which the rear end portion 51r thereof is positioned in front of the rear end portion 50r of the top plate 35 as the rear end portion of the main operation panel 50 in the longitudinal direction of the machine body. .
That is, a column installation space is secured at a position on the rear side of the sub-operation panel 51 and on the side of the main operation panel 50, and the right front column 61 is installed in the column installation space. It is installed on the front side of the airframe, and the front edge of the airframe of the doorway 26a of the operation cabin 20 is positioned as far as possible to increase the lateral width (length in the longitudinal direction of the airframe) of the doorway 26a.

  The auxiliary operation panel 51 is provided with an indicator mounting recess provided at the lateral outer end of the machine body, and a direction indicator 54 is mounted in the indicator mounting recess.

  As shown in FIG. 4, it is a gap portion at a corner formed inside the cabin by the front wall 22 and the left side wall 23 of the driving cabin 20, and is located outside the left corner 31 </ b> K of the front driving panel 31. A triangular lid 80 that closes the gap portion is provided in a state of being supported by the lower front wall frame portion 22b that constitutes the front wall 22 and the lower left horizontal frame portion that constitutes the left lateral wall 23, and provides dust protection to the gap portion. The lid 80 is configured to perform the operation.

  As shown in FIG. 5, a seal member 78 is held by a frame 4 b on the traveling machine body located along the left lateral wall 23 below the left lateral wall 23 of the driving cabin 20, and the left lateral wall 23 and the frame 4 b are held by the seal member 78. It is comprised so that the sealing between may be performed.

  The front cover 70 has a gap between the front wall 22 of the driving cabin 20 and the front driving panel 31 so that the driving cabin 20 is assembled with the lower end portion 22d of the front wall 22 overlapping the front end portion 31a of the front driving panel 31. The main operation panel 50 equipped to configure the front operation panel 31 in the model provided with the operation cabin 20 is configured so as to cover the vehicle with the operation cabin 20, and the model without the operation cabin 20 is not provided with the auxiliary operation panel 51. The panel 31 is shared with those equipped to constitute the panel 31.

  FIG. 9 is a side view showing the driving unit and the driving unit 3 in a model in which the driving cabin 20 is not provided. FIG. 10 is a plan view showing the driving unit and the driving unit 3 in a model in which the driving cabin 20 is not provided. FIG. 11 is a front view showing an operation unit in a model in which the operation cabin 20 is not provided. As shown in these drawings, the main operation panel 50 to be equipped in the model provided with the operation cabin 20 is equipped in a single state without the auxiliary operation panel 51 for the model not provided with the operation cabin 20, The entire front operation panel 31 in a model in which the operation cabin 20 is not provided is configured.

  In the case of a model in which the driving cabin 20 is not provided, an air cleaner chamber is not formed, and the air cleaner 17 is installed in an exposed state at a position located behind the driver seat 30 on the rear end portion of the engine bonnet 11, An intake pipe 19 that allows the cleaner 18 and the air cleaner 17 to communicate with each other is erected in a straight line from the air cleaner 17 upward in the airframe. Further, a directional finger support 54 is attached to a fixed handle 81 provided on the side of the front operation panel 31.

[Another embodiment]
FIG. 12 is a longitudinal side view showing the sealing means in the combine provided with the first different embodiment structure. In the combine equipped with the first alternative embodiment structure, the front cover 70 extends downward from the lower end 22d of the front wall 22 of the driving cabin 20 and close to the front surface F of the front driving panel 31 of the front cover 70. A seal member 77 is attached to the extended end portion located. The seal member 77 is applied to the front surface F of the front operation panel 31 by an elastic operation force provided in the front cover 70, and seals between the front cover 70 and the front operation panel 31.

  Fig.13 (a) is a front view which shows the driving | running part 20 in the combine provided with the 2nd another implementation structure. As shown in FIGS. 13 (a) and 13 (b), in the combine provided with the second alternative embodiment structure, the horizontal end side portion 51E of the vertical plate 32b before the right division constituting the auxiliary operation panel 51 is the main operation. The front operation panel 31 is configured by arranging a main operation panel 50 and a sub-operation panel 51 side by side in the lateral direction of the fuselage in a state where the main operation panel 50 and the auxiliary operation panel 51 are overlapped in the longitudinal direction of the fuselage behind the horizontal end portion of the vertical plate 32a. ing.

  The front cover 70 extending downward from the lower end 22d of the front wall 22 of the driving cabin 20 is positioned in front of the auxiliary driving panel 51 and the main driving panel 50, and is located in front of the front driving panel 31 and the driving cabin 20. 22 is provided so as to cover the gap between the two. Both ends of the front cover 70 in the lateral direction of the machine body are bent toward the rear of the machine body, and wrap around the side of the left horizontal vertical plate 33 and the right horizontal vertical plate 34 of the front operation panel 31.

  A seal member 75 between the front operation panel 31 and the front wall 22 of the operation cabin 20 is provided on the back side of the front cover 70.

[Another Example]

(1) In the above-described embodiment, an example in which the front operation panel 31 includes the main operation panel 50 and the sub operation panel 51 is illustrated. However, the front operation panel 31 is configured by a single structure. May be.

(2) In the above-described embodiment, an example in which the operation tool 40 provided on the front operation panel 31 is configured as a swing lever type, and the lifting operation of the cutting unit 5 and the steering operation of the traveling machine body is illustrated. However, it may be implemented with an operation configuration different from the swing type such as a rotary type, or may be implemented with a configuration in which only one of the raising / lowering operation of the cutting unit 5 and the steering operation of the traveling machine body is performed. The operation tool for performing the lifting operation of the cutting unit 5 and the operation tool for performing the steering operation of the traveling machine body may be provided separately.

(3) In the above-described embodiment, an example in which the front cover 70 is made of a synthetic resin material has been shown. However, the front cover 70 may be made of various materials such as iron or an aluminum alloy material.

(4) In the above-described embodiment, the example in which the seal holding member 28 for holding the seal member 75 is provided on the front wall side of the operation cabin 20 has been described. However, the seal holding member 28 is provided on the front operation panel side. May be.

  In addition to a combine equipped with a threshing device that supplies the tip side of the harvested cereal cocoon to the handling room and threshing it, a whole threshing type threshing device that supplies the whole from the stock source to the tip of the harvested cereal meal to the handling room for threshing It can be used for combines with

DESCRIPTION OF SYMBOLS 20 Driving cabin 22 Front wall 22d Lower end part of front wall 26a Entrance / exit of driving cabin 28 Seal holding member 30 Driving seat 31 Front driving panel 31a Upper end part of front driving panel 40 Operating tool 50 Main driving panel 50r Rear end part of main driving panel 51 Sub-operation panel 51E Sub-operation panel end 51r Sub-operation panel rear end 52 Seal member 54 Direction indicator 70 Front cover 70b Front cover lateral end 75 Seal member 77 Seal member F Front R Operation room

Claims (10)

A combine provided with a front driving panel provided in front of the driver's seat in an upright posture and equipped with an operation tool, and a driving cabin having a front wall positioned above the front driving panel to form a driver's cab. And
The driving cabin is configured such that the lower end portion of the front wall of the driving cabin is positioned in front of the upper end portion of the front driving panel so as to overlap the upper end portion of the front driving panel in the longitudinal direction of the fuselage,
A combine provided with a front cover that extends downward from the lower end of the front wall of the driving cabin and has an extended end located on the front side of the front driving panel.   A seal member that seals between the front wall and the front operation panel is disposed on the back side of the front cover, and a seal holding member that holds the seal member is provided on the front wall side or the front cover side. Item 1. A combine according to item 1.   The combine according to claim 1, wherein a seal member is attached to an extended end portion of the front cover so as to be applied to the front surface of the front operation panel.   The combine according to any one of claims 1 to 3, wherein the front operation panel is configured to include a main operation panel and a sub operation panel that are connected to each other and arranged side by side.   The combine according to claim 4, wherein an end portion of the auxiliary operation panel is disposed in front of or behind the main operation panel.   The combine of Claim 4 or 5 provided so that the said front cover may be located in the front side of the said main operation panel and the said suboperation panel. An end portion of the auxiliary operation panel is arranged in front of the main operation panel, and
The combine according to claim 4, wherein a lateral end portion of the front cover enters between a portion of the main operation panel that overlaps the sub operation panel and a portion of the sub operation panel that overlaps the main operation panel.   The combine according to any one of claims 4 to 7, wherein a seal member is provided at a portion where the main operation panel and the sub operation panel are connected to each other.   The combine according to any one of claims 4 to 8, wherein the sub-operation panel is arranged on the laterally outer side of the main operation panel and a direction indicator is attached to the sub-operation panel.   The auxiliary operation panel is formed such that a rear end portion thereof is positioned along a front side edge of the door of the operation cabin, and a rear end portion of the auxiliary operation panel is formed from a rear end portion of the main operation panel. The combine as described in any one of Claims 4-9 which is located ahead in the body front-back direction.

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