JP7267170B2 - combine - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester provided with a storage section under the floor section of the driving section.

2. Description of the Related Art There is known a combine harvester provided with a storage portion under a floor portion of an operation section, and storing a hydraulic valve unit and a control unit in the storage portion (see, for example, Patent Document 1). This type of combine usually includes an opening that opens above a container and a floor cover that opens and closes the opening.

Japanese Patent No. 5743816

However, in the combine disclosed in Patent Literature 1, the floor cover is rotated upward with the hinge as a fulcrum when the accommodating portion is opened. There are restrictions on the size and placement of the floor, and there is room for improvement in terms of effectively using the space below the floor.

The present invention has been created with the aim of solving these problems in view of the actual situation as described above. a floor portion forming a floor surface of the driving portion; a clutch pedal arranged on the floor portion; a housing portion formed below the floor portion of the driving portion; and a floor cover that covers the opening in an openable and closable manner, wherein the floor cover can be detachably fitted into the opening, and the opening is A rectangular opening formed in a region where at least a portion of the clutch pedal overlaps in a plan view, and the floor portion is provided along a front edge portion and a rear edge portion of the opening. The floor cover has a front end support part and a rear end support part that support the front end part and the rear end part of the floor cover fitted in the part from below. It is characterized in that it is attached and detached while lifting one end and sliding the other side end on the front end support portion and the rear end support portion in the left-right direction.
The invention according to claim 2 is the combine harvester according to claim 1, wherein the engine is arranged behind the floor portion, and the floor rear surface cover is erected at the rear end of the floor portion and covers the front of the engine. and, wherein the floor rear surface cover is a rear edge portion of the opening.
The invention of claim 3 is the combine harvester according to claim 1 or 2, further comprising a floor side cover erected on the side end of the other side of the floor portion, wherein the floor side cover is the side edge of the other side.
The invention of claim 4 is the combine harvester according to any one of claims 1 to 3, wherein the floor cover includes a floor cover main body made of metal and an elastically deformable floor cover main body superimposed on the upper surface of the floor cover main body. wherein the mat is wider than the floor cover main body in a predetermined direction, and elastically contacts the edge of the opening when the floor cover is fitted into the opening. It is characterized by being in contact with
The invention of claim 5 is the combine harvester according to claim 4, wherein the mat is narrower than the floor cover main body in the front-rear direction and wider than the floor cover main body in the left-right direction. Characterized by
The invention of claim 6 is the combine harvester according to any one of claims 1 to 5, wherein the floor cover is provided at a corner on the side of the entrance/exit, and the floor cover is lifted by putting a finger on it. It is characterized by having a finger hook that can be used.
The invention of claim 7 is the combine harvester according to any one of claims 1 to 6, wherein a space opened upward and laterally outward is formed on the floor portion on the side of the entrance/exit. and the floor cover can be pushed up by inserting a hand below the floor cover fitted in the opening through the space .

According to the first aspect of the present invention, the floor cover lifts the side end on the entrance/exit side of the left and right side ends, and extends the other side end on the front end support portion and the rear end support portion in the left-right direction. Since the floor cover is attached and detached while being slid, it is possible to reduce the working space required for attaching and detaching the floor cover and to enlarge the floor cover and the opening. Specifically, even if the opening is formed in an area where at least a part of the clutch pedal overlaps in plan view in order to enlarge the opening, the floor cover does not interfere with the clutch pedal when the floor cover is attached or detached. can be avoided.
According to the second aspect of the invention, the floor rear cover is used as the rear edge of the opening, so that the floor rear cover can be used to not only simplify the structure but also enlarge the opening.
According to the invention of claim 3, since the floor side cover serves as the side edge on the other side of the opening, it is possible to use the floor side cover not only to simplify the configuration but also to enlarge the opening.
According to the fourth aspect of the invention, the floor cover includes a floor cover body made of metal and an elastically deformable mat superimposed on the upper surface of the floor cover body, and the mat is arranged in a predetermined direction relative to the floor cover body. The floor cover is formed wide and elastically abuts against the edge of the opening when the floor cover is fitted into the opening, so that the mat can be used to prevent the floor cover from rattling.
According to the fifth aspect of the invention, the mat is narrower than the floor cover main body in the front-rear direction and wider than the floor cover main body in the left-right direction. It is possible to prevent rattling of the floor cover.
According to the sixth aspect of the present invention, the floor cover is provided at the corner on the side of the entrance/exit and has a finger-holding portion on which the floor cover can be lifted by putting a finger thereon.
According to the seventh aspect of the present invention, a space is formed on the side of the entrance/exit of the floor so that the floor cover fitted in the opening can be pushed up by putting one's hand under the floor cover. Even in situations where it is difficult to lift the floor cover due to mud clogging it with the cover, the floor cover can be reliably lifted by pushing up from below.

BRIEF DESCRIPTION OF THE DRAWINGS It is a whole perspective view of the combine which concerns on one Embodiment of this invention. It is an exploded perspective view showing frame composition of a combine. It is a top view of an operation part (with a floor cover). It is a top view of an operation part (without a floor cover). FIG. 4 is a perspective view of a main part showing a state before the floor cover is removed; FIG. 10 is a perspective view of a main part showing a state in which the floor cover is being removed; 4 is an exploded perspective view of the floor cover; FIG.

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a combine, and the combine 1 is connected to a traveling body 2, a front side of the traveling body 2 so that it can be raised and lowered, a pretreatment section 3 for harvesting grain culms, and one side portion of the traveling body 2. A threshing unit 4 arranged on the (left side) for threshing and sorting grains from harvested culms, and an operation unit 5 arranged on the other side (right side) of the traveling machine body 2, on which an operator rides, An engine 6 (see FIG. 2) mounted behind and below the operating section 5, a grain tank 7 arranged behind the operating section 5 and storing grains sorted by the threshing section 4, and a grain tank 7. It is provided with a discharge auger 8 that conveys grains inside the machine to the outside, and a crawler type traveling part 9 that supports the traveling machine body 2. - 特許庁

As shown in FIG. 2 , a plurality of frame members are provided on the body frame 10 of the combine 1 in order to configure the driving section 5 . Specifically, a support frame 11 erected at a rear position of the engine of the body frame 10, a step frame 12 provided at a front position of the engine of the body frame 10, and a connecting frame connecting the support frame 11 and the step frame 12. 13, and a driver frame 14 whose rear side is connected to the support frame 11 and whose front side is connected to the step frame 12. As shown in FIG.

The strut frame 11 includes left and right vertical frames 15L and 15R extending upward from the body frame 10, an upper horizontal frame 16U connecting upper ends of the left and right vertical frames 15L and 15R, and an intermediate portion between the left and right vertical frames 15. and an intermediate horizontal frame 16M that connects the parts.

The step frame 12 includes a front lateral frame 17Fr, a rear lateral frame 17Rr, a left lateral frame 17L, and a right lateral frame 17R, each of which has a quadrangular shape in plan view. A left front vertical frame 18LF, a right front vertical frame 18RF, a left rear vertical frame 18LR, and a right rear vertical frame 18RR are included.

The connecting frame 13 connects the intermediate horizontal frame 16M of the support frame 11 and the rear horizontal frame 17Rr of the step frame 12. As shown in FIG.

The driving unit frame 14 includes a front-side floor horizontal frame 19Fr, a rear-side floor horizontal frame 19Rr, a left-side floor horizontal frame 19L, and a right-side floor horizontal frame 19R, which are rectangular in plan view, and extend upward from the left-front corner of the square. a right front vertical frame 20RF extending upward from a rectangular right front corner; a left rear vertical frame 20LR extending upward and rearward from a rectangular left rear corner; and a rectangular right rear corner. a front upper horizontal frame 21FU connecting upper ends of the left front vertical frame 20LF and the right front vertical frame 20RF; upper ends of the left rear vertical frame 20LR and the right rear vertical frame 20RR; A rear upper horizontal frame 21RU connecting the parts is provided.

The rear upper horizontal frame 21RU of the driving section frame 14 is connected to the upper horizontal frame 16U of the support frame 11, and the floor front horizontal frame 19Fr is connected to the front horizontal frame 17Fr of the step frame 12, so that the support frame 11 and the step It is supported by the body frame 10 via the frame 12 .

As shown in FIGS. 3 to 6, the operation unit 5 includes a driver's seat 31 on which an operator sits, and a front operation panel 34 provided in front of the driver's seat 31 on which a multi-steering lever 32 and a liquid crystal display panel 33 are arranged. , a side operation panel 37 provided on the left side of the driver's seat 31 and on which a main gear shift lever 35 and an auxiliary gear shift lever 36 are arranged; a floor portion 38 forming a floor surface of the driving portion 5; and a boarding/alighting port 39 for opening the .

The floor portion 38 includes a detachable floor cover 40 and a fixed floor cover 41 that constitute a floor surface, a floor rear surface cover 42 erected at the rear end of the floor portion 38 and covering the front of the engine 6, and the floor portion 38. A floor side cover 43 erected at the left end and a floor front cover (not shown) erected at the front end of the floor portion 38 are provided.

Further, on the floor surface of the floor portion 38, a sub-step 44 functioning as a footrest, a clutch pedal 45 for connecting and disconnecting the power of the traveling system and the work system, and the depression position of the clutch pedal 45 are provided. A prescribed pedal stopper 46 and a pedal lock member 47 for locking the clutch pedal 45 at the depressed position are arranged.

As shown in FIG. 4 and the like, below the floor portion 38, a housing portion 51 for housing the hydraulic valve 48, the radiator reserve tank 49, the oil filter 50, and the like is formed. The floor portion 38 is formed with an opening 52 that opens above the storage portion 51 , and the opening 52 is covered with a floor cover 40 so as to be openable and closable. When performing maintenance on the hydraulic valve 48 , the radiator reserve tank 49 , the oil filter 50 and the like in the housing portion 51 , after opening the floor cover 40 , the interior of the housing portion 51 is accessed through the opening 52 . It is desirable that portion 52 be as large as possible.

As shown in FIG. 4 , the opening 52 is a square opening, and is formed up to a region where at least a portion of the clutch pedal 45 overlaps in plan view in order to increase the opening area.

The rear edge of the opening 52 is formed by the floor rear cover 42 , and the left edge of the opening 52 is formed by the floor side cover 43 . In this way, the opening edge is formed using the floor rear cover 42 and the floor side cover 43, so not only can the structure be simplified and the number of parts can be reduced, but also the opening 52 can be enlarged. can.

Further, the inner peripheral side ends of the floor rear lateral frame 19Rr, the floor left lateral frame 19L, and the floor right lateral frame 19R of the driver frame 14 are opened from the rear edge, the left edge, and the right edge of the opening 52. As a rear end support portion, a left end support portion, and a right end support portion that protrude inward from the portion 52 and support from below the rear end portion, the left end portion, and the right end portion of the floor cover 40 that is detachably fitted into the opening portion 52 It's working.

As shown in FIG. 7, the floor cover 40 of this embodiment includes a metal floor cover main body 53 and an elastically deformable mat 54 overlapping the upper surface of the floor cover main body 53 . The floor cover main body 53 includes a main body portion 53a fitted into the opening 52, a front end rising portion 53b rising upward from the front end of the main body portion 53a, and a front end flange portion 53c extending forward from the upper end of the front end rising portion 53b. a rear end rising portion 53d rising upward from the rear end of the main body portion 53a; a fixing portion 53e extending upward from the right end portion of the rear end rising portion 53d; and a bone member 53f.

When such a floor cover 40 is fitted into the opening 52, the rear end, left end and right end of the floor cover 40 are connected to the floor rear lateral frame 19Rr, the floor left lateral frame 19L and the floor right lateral frame 19Rr of the driving section frame 14. While being supported from below by the lateral frame 19R, the front end portion (front end flange portion 53c) of the floor cover 40 is supported by the rear end portion of the floor fixed cover 41 from below. That is, the rear end portion of the floor fixed cover 41 functions as a front end support portion that supports the front end portion of the floor cover 40 from below. By fixing the fixing portion 53e to the floor rear cover 42 side via the bolt with knob 55, the fitting state of the floor cover 40 can be reliably maintained.

As shown in FIG. 6 , the floor cover 40 lifts the left and right side ends on the entrance/exit 39 side, and extends the other side end on the floor rear lateral frame 19Rr and behind the floor fixed cover 41 . It can be attached and detached while sliding in the left-right direction on the end. According to such an attachment/detachment structure for the floor cover 40, the work space (especially the work space in the height direction) required for attaching and detaching the floor cover 40 can be reduced, so that the floor cover 40 and the opening 52 can be enlarged. be possible. Specifically, even if the opening 52 is formed in a region where at least a part of the clutch pedal 45 overlaps in plan view in order to increase the size of the opening 52 , the clutch pedal 45 will not be floored when the floor cover 40 is attached or detached. Interference of the cover 40 can be avoided.

As shown in FIGS. 5 to 7, the floor cover 40 is provided with a finger hook portion 53g provided at a corner portion on the side of the entrance/exit 39 so that the floor cover 40 can be lifted by hooking a finger. Specifically, the front end flange portion 53c of the floor cover main body 53 has a rounded corner portion on the entrance/exit 39 side, which serves as a finger hook portion 53g. With such a finger hook portion 53g, the operation of attaching and detaching the floor cover 40 is facilitated.

Further, as shown in FIG. 4, a space S is formed on the side of the entrance/exit 39 of the floor portion 38 so that the floor cover 40 can be pushed up by inserting the hand under the floor cover 40 fitted in the opening 52. there is Specifically, in plan view, a space S is formed between the right lateral frame 17R of the step frame 12 and the right lateral frame 19R of the floor of the driver frame 14, and the outer side of the space S is open. Therefore, it becomes possible to push up the floor cover 40 by inserting the hand under the floor cover 40 through the space S. In this way, even when mud or the like is clogged between the opening 52 and the floor cover 40 to make it difficult to lift the floor cover 40, the floor cover 40 can be reliably lifted by pushing up from below.

The mat 54 of the floor cover 40 is wider than the floor cover main body 53 in a predetermined direction, and elastically contacts the edge of the opening 52 when the floor cover 40 is fitted into the opening 52 . In this way, the mat 54 can be used to prevent the floor cover 40 from rattling.

The mat 54 is narrower than the floor cover main body 53 in the front-rear direction and wider than the floor cover main body 53 in the left-right direction. By doing so, it is possible to prevent the floor cover 40 from wobbling in the attached state without impairing the detachability of the floor cover 40 .

According to the present embodiment configured as described above, the operator section 5 is entered and exited from the side of the machine body through the entrance 39, the floor section 38 forming the floor surface of the operator section 5, and the floor section 38. an accommodating portion 51 formed below the floor portion 38 of the driving portion 5; an opening portion 52 formed in the floor portion 38 and opening the upper portion of the accommodating portion 51; and a floor cover 40 for covering the combine harvester 1. The floor cover 40 can be detachably fitted into the opening 52, and the opening 52 has at least a portion of the clutch pedal 45 overlying in plan view. The floor portion 38 is provided along the front and rear edges of the opening 52 , and the front and rear ends of the floor cover 40 fitted in the opening 52 . The floor cover 40 has a front end support portion and a rear end support portion that support the rear end portion from below. Since the floor cover 40 is attached and detached while being slid laterally on the support portion and the rear end support portion, the work space required for attachment and detachment of the floor cover 40 can be reduced, and the floor cover 40 and the opening 52 can be enlarged. Become. Specifically, even if the opening 52 is formed in a region where at least a part of the clutch pedal 45 overlaps in plan view in order to increase the size of the opening 52, the clutch pedal 45 does not have a floor when the floor cover 40 is attached or detached. Interference of the cover 40 can be avoided.

The engine 6 is arranged behind the floor portion 38 , and a floor rear cover 42 is provided upright at the rear end of the floor portion 38 and covers the front of the engine 6 . Since the rear edge of the floor is formed, not only can the floor rear cover 42 be used to simplify the configuration, but also the opening 52 can be enlarged.

In addition, the floor side cover 43 is further provided standing on the left end of the floor portion 38, and the floor side cover 43 is used as the left edge of the opening 52, so that the configuration can be simplified by using the floor side cover 43. However, the opening 52 can be enlarged.

In addition, the floor cover 40 includes a metal floor cover body 53 and an elastically deformable mat 54 superimposed on the upper surface of the floor cover body 53. The mat 54 is wider than the floor cover body 53 in a predetermined direction. When the floor cover 40 is fitted into the opening 52, the mat 54 is used to prevent the floor cover 40 from rattling.

The mat 54 is narrower than the floor cover main body 53 in the front-rear direction and wider than the floor cover main body 53 in the left-right direction. can prevent rattling.

Further, since the floor cover 40 is provided with a finger hook portion 53g which is provided at a corner portion on the side of the boarding/alighting port 39 and which can be lifted by hooking a finger, the floor cover 40 can be easily attached and detached.

In addition, on the side of the entrance/exit 39 of the floor portion 38, a space S is formed in which the floor cover 40 fitted in the opening 52 can be pushed up by putting one's hand under the floor cover 40. Even in a situation where it is difficult to lift the floor cover 40 due to clogging with the cover 40, the floor cover 40 can be reliably lifted by pushing it up from below.

1 combine harvester 5 driving section 6 engine 38 floor section 39 entrance/exit 40 floor cover 42 floor rear cover 43 floor side cover 45 clutch pedal 51 accommodation section 52 opening 53g finger hook section 53 floor cover main body 54 mat S space

Claims (7)

an operation unit that is boarded and alighted from the side of the aircraft through the boarding gate;
a floor portion forming a floor surface of the operating portion;
a clutch pedal arranged on the floor;
a housing portion formed below the floor portion of the operating portion;
an opening that is formed in the floor and opens above the housing;
A combine harvester comprising a floor cover that openably and closably covers the opening,
The floor cover can be detachably fitted into the opening,
The opening is a square opening formed in a region where at least a part of the clutch pedal overlaps in plan view,
The floor part is provided along the front edge and the rear edge of the opening, and supports the front and rear ends of the floor cover fitted in the opening from below. having an end support;
The floor cover is attached/detached while lifting the side end portion on the doorway side of the left and right side end portions and sliding the other side end portion in the left-right direction on the front end support portion and the rear end support portion. A combine characterized by being an engine arranged behind the floor;
further comprising a floor rear surface cover erected at the rear end of the floor portion and covering the front of the engine;
2. The combine according to claim 1, wherein the rear floor cover is the rear edge of the opening. further comprising a floor side cover erected on the other side end of the floor,
The combine according to claim 1 or 2, wherein the floor side cover is a side edge of the opening on the other side. The floor cover is
A metal floor cover body,
an elastically deformable mat superimposed on the upper surface of the floor cover body,
The mat is wider than the floor cover main body in a predetermined direction, and elastically abuts against the edge of the opening when the floor cover is fitted into the opening. The combine according to any one of items 1 to 3. 5. The combine according to claim 4, wherein the mat is narrower than the floor cover main body in the longitudinal direction and wider than the floor cover main body in the lateral direction. 6. The floor cover according to any one of claims 1 to 5, characterized in that said floor cover is provided at a corner on the entrance/exit side thereof, and has a finger-holding portion on which a finger can be put to lift said floor cover. combine. On the side of the entrance/exit of the floor portion, a space is formed in which the upper side and the laterally outer side are open. The combine according to any one of claims 1 to 6 , characterized in that the cover can be pushed up.

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