JP2014198010A - Corn harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a storage state of harvested corn crops in a storage tank to be checked in a simple structure.SOLUTION: A corn harvester comprises: a storage tank that can store crops discharged from a conveyance end of a feeder; and a driving part including a driving seat located on the front side of the storage tank. A see-through window part 6B through which the inside can be seen from the front side is formed in a front wall part 62 constituting a front face of the storage tank.

Description

  In the present invention, at the time of harvesting corn, a crop portion that is wrapped in a foliage portion with a large number of seeds existing around the cob is used as a harvest target crop, and the harvested crop is stored and recovered. It is related with the corn harvester comprised as follows.

  In corn, tufts containing a large number of seeds (fruits) grow in the ears of the stems to be planted. The tuft-like portion is formed in a form in which a large number of seeds are arranged on the outer surface around a rod-shaped cob existing inside the foliage. In the present invention, this tuft is referred to as a corn crop to be harvested, and the corn harvester according to the present invention harvests, stores and collects the corn crop as a harvest.

  A conventional corn harvester is configured to harvest a harvest from corn that is planted while running a traveling vehicle body, and to store the harvested harvest in a storage unit (for example, (See Patent Document 1). In this structure, the harvested harvested product is conveyed rearward and upward by a plurality of conveyors such as a conveyor that conveys sideways and a conveyor that conveys front and rear, and a container as a storage unit provided at the rear end of the traveling vehicle body It falls into the inside.

Japanese Patent Laying-Open No. 2011-92135 (see paragraph number “0033”, FIG. 1 and FIG. 3)

The corn harvester configured in this way is useful in that it can automatically harvest corn and store the harvest. However, there is no effective means for confirming the collection status of the harvest stored in the container during the harvesting operation. Therefore, in order to check the amount of harvested product stored in the container, the harvesting operation is interrupted and the aircraft is stopped, and the storage status in the container is checked by turning backwards or confirmed by an auxiliary worker. There was a problem such as crawling.
The amount of the harvested product in the storage tank can be confirmed by, for example, providing a photographing device, weight detection means, and a display device. However, there is a disadvantage in that the cost is increased.

  The present invention has a storage tank for harvested corn crops, and is intended to enable confirmation of the storage status of corn crops in the storage tank with a simple structure.

  The technical means of the corn harvester according to the present invention has structural features and operational effects in the following points.

[Solution 1]
The technical means of the present invention taken in order to solve the above problems are a harvesting unit that is located in the front part of the traveling vehicle body and harvests the harvested product, and conveys the harvested product harvested in the harvesting unit to the rear side of the aircraft. And a feeder that discharges from the rear side, a storage tank that can store the crop discharged from the conveyance end of the feeder, and a driving unit that includes a driver seat positioned on the front side of the storage tank. In other words, a front window portion that constitutes the forward-facing surface of the storage tank is formed with a see-through window portion that can be seen through from the front side.

[Operation and effect of invention according to Solution 1]
According to the invention relating to the solution 1, the front window of the storage tank is formed with a see-through window that can be seen through from the front side. In this way, the see-through window portion that can visually recognize the inside is formed on the wall of the storage tank itself, and the position is set to the front side. Therefore, the rear side is looked back from the driving portion having the driving seat located on the front side. The inside of the storage tank can be visually confirmed.
As a result, there is an advantage that the harvesting state in the storage tank can be confirmed with a simple structure without requiring a special detection device while continuing the harvesting operation.

[Solution 2]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the see-through window portion is formed at the left or right end portion of the front wall portion.

[Operation and effect of invention according to Solution 2]
According to the invention relating to the above solution 2, since the see-through window part is present at the left or right end of the front wall part of the storage tank, various kinds of parts on the traveling vehicle body located on the rear side of the driving part are provided. There is little risk that the presence of the device will obstruct the view. Therefore, it is advantageous in that the inside of the storage tank can be easily viewed from the see-through window.

[Solution 3]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the see-through window part is formed only on the upper part of the front wall part.

[Operation and effect of invention according to Solution 3]
According to the invention relating to the above solution 3, since the weight of the harvest does not act on the see-through window portion located at the upper portion of the front wall portion, a high-strength structure is not required as the see-through window portion, and the weight is reduced. There exists an advantage that it is easy to comprise in a simple structure.

[Solution 4]
Another technical means of the present invention taken in order to solve the above-described problem is that the storage tank is in a standing posture and a lying posture by undulating rocking about a rocking axis along the longitudinal direction of the traveling vehicle body. It is configured to be changeable, the harvested product can be stored in the standing posture, and the harvested product stored in the lying posture can be discharged to the lateral side of the traveling vehicle body, The see-through window is provided at an end of the storage tank on the discharge direction side.

[Operations and effects of invention according to Solution 4]
According to the invention relating to the solving means 4 described above, the storage tank is configured to be able to change the posture between the standing posture and the lying posture by swinging up and down around the swing axis along the longitudinal direction of the traveling vehicle body. An object can be discharged to the side of the traveling vehicle body. This makes it possible to perform collection work while confirming the harvest vehicle on the lateral side of the traveling vehicle body, compared to, for example, a structure in which the storage tank is discharged to the rear side of the traveling vehicle body. It is convenient in that it becomes.
In addition, since the see-through window is provided at the end of the storage tank on the discharge direction side, it is easy to see the state of the harvested product when the storage tank is in the lying down position, and it is easy to grasp the state of the end of discharge. There are advantages.

[Solution 5]
Another technical means of the present invention taken in order to solve the above problem is that the storage tank has an inclined wall in which a lateral side wall portion of an end portion on a discharge direction side protrudes laterally toward the upper side in the standing posture. In the vicinity of the corner formed by the edge of the location where the lateral wall and the front wall intersect, and the upper edge of the front wall, the fluoroscopic window is It is formed.

[Operation and effect of invention according to Solution 5]
According to the invention relating to Solution 5 above,
There is an advantage that it becomes easier to visually recognize the discharge state of the harvested product when the storage tank is in the lying down posture until the end of the discharge state, and it becomes easier to grasp the discharge end state.

[Solution 6]
According to another technical means of the present invention taken to solve the above-mentioned problem, the operating section is provided with an operating cabin, and the storage tank is provided in a discharge direction side so as to protrude laterally from the operating cabin. The see-through window portion is formed at a location projecting laterally from the operation cabin.

[Operations and Effects of Invention According to Solution 6]
According to the invention relating to the solving means 6 described above, since the see-through window portion is formed at a position protruding laterally from the driving cabin, the see-through window portion from the driving cabin side is more reliably recognized. There is an advantage that it is easy.

[Solution 7]
Another technical means of the present invention taken in order to solve the above-mentioned problems is that the operating section is provided with an operating cabin, and the boarding / exiting step for getting into and out of the operating cabin is performed in the direction of the harvest discharge of the storage tank. It is provided in the same lateral side.

[Operation and effect of invention according to Solution 7]
According to the invention relating to the above solution 7, the direction in which the stored product is discharged from the storage tank is the same side of the uncut area as the side on which the step for getting on and off the driving cabin is present, It is easy to discharge easily.

[Solution 8]
The other technical means of the present invention taken in order to solve the above-mentioned problems are the same lateral side of the traveling vehicle body as the side on which the boarding / alighting step is provided, on the lateral outer side of the driving cabin, An operation unit step that can be transferred from the boarding / alighting step is provided.

[Operation and effect of invention according to Solution 8]
According to the invention relating to the above solution 8, it is easier to get on and off compared to a structure in which the passenger gets on and off directly between the boarding step and the driving cabin.
In other words, when getting on and off between the step for getting on and off and the driving cabin, it is difficult to open and close the door of the driving cabin at the midway position of the step for getting on and off. There is an advantage that the opening / closing operation of the opening / closing door can be easily performed on the driving unit step.

[Solution 9]
Another technical means of the present invention taken to solve the above-mentioned problem is that a working deck is provided on the same lateral side as the side on which the boarding / alighting step is provided on the traveling vehicle body and on the rear side of the driving unit step. Is that it is provided

[Operations and effects of invention according to Solution 9]
According to the invention relating to the solving means 9 described above, the driving unit step serves as an intermediate step when getting on and off between the step for getting on and off and the driving cabin, so that the opening and closing operation of the opening and closing door of the driving cabin can be easily performed. In addition, there is an advantage that it can be used effectively to facilitate transfer to the work deck.

[Solution 10]
According to another technical means of the present invention taken in order to solve the above-mentioned problem, the operating portion is provided with an operating cabin, and a rear window that can be seen from the rear side is formed on the rear wall portion of the operating cabin. It is that.

[Operations and Effects of Invention According to Solution 10]
According to the invention relating to the above solution 10, it can be used more conveniently, for example, by confirming the storage amount of the storage tank from the operation cabin using the rear window.

[Solution 11]
Another technical means of the present invention taken in order to solve the above problem is that the rear window is provided at a position higher than the storage tank in the standing posture.

[Operations and Effects of Invention According to Solution 11]
According to the invention relating to the above solution 11, since the position of the rear window is higher than that of the storage tank in the standing posture, the inside of the storage tank can be visually observed from the upper side of the storage tank. There is an advantage that it becomes easy to confirm the amount of the harvest.

[Solution 12]
Another technical means of the present invention taken to solve the above-mentioned problems is that the operating part is provided with an operating cabin, and the operating cabin has a see-through window part provided on the discharge direction side of the storage tank. A side window capable of opening and closing a part of the side wall is formed on the side wall on the same side as the side to be opened.

[Operations and Effects of Invention According to Solution 12]
According to the invention relating to the above solution 12, it is possible to use the see-through window portion provided on the discharge direction side of the storage tank more conveniently, for example, by opening the side window provided on the side wall portion on the same side. There are advantages you can do.

[Solution 13]
Another technical means of the present invention taken to solve the above-mentioned problems is that the operating part is provided with an operating cabin, and the operating cabin has a see-through window part provided on the discharge direction side of the storage tank. A side mirror that is visible from the driver seat is provided on the lateral outer side on the same side as the side to be operated.

[Operations and Effects of Invention According to Solution 13]
According to the invention relating to the solving means 13 described above, the rear see-through window portion can be visually observed with the side mirror even when the operator sits on the driver's seat and works forward. Therefore, there is an advantage that it can be used more conveniently without troublesomeness such as looking back at the storage status of the harvest and confirming it each time.

[Solution 14]
Another technical means of the present invention taken in order to solve the above-mentioned problem is that the operating part is provided with an operating cabin, and the operation of the telescopic cylinder that causes the storage tank to swing up and down on the rear wall part of the operating cabin. Part is provided.

[Operations and Effects of Invention According to Solution 14]
According to the invention relating to the solving means 14, the operation portion can be operated from the inside of the operating cabin to cause the storage tank to swing up and down, and the storage tank can be lowered from the traveling vehicle body to perform the swinging up and down operation of the storage tank. There is an advantage that a quick operation can be performed without the need for such a process.

[Solution 15]
Another technical means of the present invention taken in order to solve the above-described problem is that the operation portion is provided on the rear wall portion of the driving cabin and is brought close to the same side as the side on which the getting-on / off step is provided. It is that you are.

[Operations and Effects of Invention According to Solution 15]
According to the invention relating to the above solution 15, there is also an open / close door on the side where the boarding / alighting step is provided. Therefore, the operation part can be operated with various postures such as the state where the body is out of the driving cabin, or the operation part is operated by putting the arm into the driving cabin from the outside of the driving cabin. There is an advantage that it is easy to do.

[Solution 16]
Another technical means of the present invention taken to solve the above problem is that the operation portion is provided at an end portion of a rear wall portion of the operation cabin.

[Operations and Effects of Invention According to Solution 16]
According to the invention relating to the solution means 16 described above, there are various situations, such as a state where a half of the driving cabin is out of the driving cabin, or an operation unit is operated by putting an arm into the driving cabin from the outside of the driving cabin. There is an advantage that it is easier to operate the operation unit with a corresponding posture.

[Solution 17]
Another technical means of the present invention taken in order to solve the above problem is that the operation portion is provided on a support provided at an end portion of a rear wall portion of the operation cabin.

[Operations and Effects of Invention According to Solution 17]
According to the invention relating to the solution means 17 described above, there is an advantage that the structure can be simplified by using the support column at the end of the rear wall as the attachment means of the operation part.

[Solution 18]
The other technical means of the present invention taken in order to solve the above-mentioned problem is that a working deck is provided on the rear side of the operation cabin on the same lateral side as the direction of harvesting of the storage tank, A door is provided on a rear wall portion of the operation cabin on the same side as the side on which the work deck is provided, and a door for opening and closing the door of the operation cabin on the same side as the side on which the work deck is provided. This door is provided so that the rear side can be opened and closed with the front side of the doorway as a swing fulcrum.

[Operations and Effects of Invention According to Solution 18]
According to the invention relating to the solving means 18, since the opening / closing door is provided so as to open and close with the front side of the entrance / exit as the swing fulcrum, it can be easily moved to the rear work deck side.
In addition, it is advantageous in that it is easy to carry out operations such as taking a half body out of the driving cabin and performing a rearward confirmation or putting one arm into the driving cabin to operate the operation unit.

[Solution 19]
Another technical means of the present invention taken in order to solve the above-described problem is that the operation unit is operable so that the expansion / contraction cylinder can be expanded and contracted to a side where the storage tank is erected and a side where the storage tank is laid down. It has a switch.

[Operation and Effect of Invention According to Solution 19]
According to the invention relating to the solving means 19, the posture change of the storage tank is performed by the operation switch for extending and retracting the telescopic cylinder, and there is an advantage that the posture change operation of the storage tank can be performed by a simple operation.

[Solution 20]
The other technical means of the present invention taken in order to solve the above-mentioned problem is that the operation switch is provided with a push operation part at two positions, upper and lower, and the push operation part for operating the expansion / contraction cylinder to the lodging side of the storage tank is on the upper side. The push operation part which operates the said expansion-contraction cylinder to the standing side of the said storage tank is arrange | positioned by the lower side.

[Operations and Effects of Invention According to Solution 20]
According to the invention relating to the solving means 20, the push operation part for operating the expansion / contraction cylinder to the fall side of the storage tank is arranged on the upper side, and the push operation part for operating the expansion / contraction cylinder to the standing side of the storage tank is on the lower side. Since it is arranged, there is an advantage that the posture of the storage tank can be changed sensuously and work with few erroneous operations can be easily performed.

It is a left view of a corn harvester. It is a top view of a corn harvester. It is a right view of a corn harvester. It is a vertical side view in a feeder rear end part. It is a vertical side view which shows a flow-down guide mechanism. It is a front view of a storage collection device. It is a left view of a storage collection device. It is a rear view of a storage collection device. It is a top view which shows the rear part of a vehicle body frame. It is sectional drawing which shows the attachment structure of the front frame in the XX sectional position of FIG. It is sectional drawing which shows the attachment structure of the front frame in the XI-XI sectional view position of FIG. It is sectional drawing which shows the attachment structure of the rear frame in the XII-XII sectional view position of FIG. It is a rear view which shows the attachment structure part of a support plate. It is a rear view of a storage tank. It is a right view of a storage tank. It is a front view of a storage tank. It is a top view of a storage tank. It is the XVIII-XVIII sectional view taken on the line in FIG. It is the XIX-XIX sectional view taken on the line in FIG. It is a disassembled perspective view of a storage tank. It is the XXI-XXI sectional view taken on the line in FIG.

Hereinafter, an embodiment of a corn harvester according to the present invention will be described with reference to the drawings.
〔overall structure〕
As shown in FIGS. 1 to 3, the corn harvester according to the present invention supports the front portion of the body frame 10 with a pair of left and right front wheels 11 and supports the rear portion of the body frame 10 with a pair of left and right rear wheels 12. A traveling vehicle body 1 configured by doing so is provided.
A driving unit 2 including a driving cabin 20 is provided at a front end portion of the vehicle body frame 10 via a cabin support 2 </ b> A, and a driving unit 8 is provided on the vehicle body frame 10 behind the driving unit 2. The traveling vehicle body 1 is driven by a pair of left and right front wheels 11, which are non-steering wheels, driven by an engine 80 provided in the prime mover 8. The rear wheel 12 is provided to be steerable by a hydraulically steerable cylinder (not shown).

The traveling vehicle body 1 includes a harvesting processing device 3 serving as a harvesting unit located at the front portion, and a feeder 4 serving as a transport device extending in the front-rear direction in a state of rising rearward from the rear of the harvesting processing device 3 over the traveling vehicle body 1. A storage and recovery device 6 as a recovery unit located at the rear portion of the vehicle body frame 10, and a residue processing device 5 located at the front and rear intermediate portion between the front wheel 11 and the rear wheel 12 below the vehicle body frame 10. Is provided.
In this corn harvester, during the harvesting operation, the traveling vehicle body 1 is driven by driving the front wheels 11, and the harvested product harvested by the harvesting processing device 3 is conveyed toward the storage and recovery device 6 by the feeder 4. It is stored in. Then, the stems left in the field at the time of harvest are shredded by the residue processing device 5. The residue processing device 5 is a well-known hammer knife type shredding device that is driven and rotated around a horizontal axis along the left-right direction of the traveling vehicle body 1 and shreds the stems left in the field during harvesting. .

As shown in FIGS. 1 and 2, an operation unit step 2 </ b> B and a boarding / alighting step 13 are provided on the lateral outer side of the left side entrance of the operation cabin 20. The step 13 for getting on and off is mounted so as to be swingable about a swing axis along the vertical direction, and is located at the laterally outer side of the front wheel 11 as shown by a two-dot chain line in FIG. As shown by a broken line, it can be switched to a storage position located on the rear side of the front wheel 11.
The left side of the traveling vehicle body provided with the step 13 for getting on and off and the driving unit step 2B is the already-harvested land side where the corn harvesting operation has already been completed, and the right side of the traveling vehicle body 1 is still subjected to the corn harvesting operation. Not on the uncut area. Therefore, when an operator or an auxiliary worker gets on or off the corn harvester, the boarding step 13 can be put on and off the body from the already-cut area with the boarding step 13 projecting to the lateral outer side of the front wheel 11. it can.

In the traveling vehicle body 1, a work deck 14 is provided at a position corresponding to the left lateral side portion of the feeder 4 that is long disposed along the front-rear direction at the central portion in the lateral width direction of the vehicle body. This work deck is equipped with a worker (auxiliary worker) who is different from the operator who controls the vehicle body, and performs auxiliary work such as monitoring the unloading status of the feeder 4, or the driving cabin 20 when the aircraft is stopped. The driver who came out of the vehicle can be boarded to check the status of the feeder 4 and the storage and collection device 6.
In other words, each of the step 13 for getting on and off, the driving unit step 2B, and the work deck 14 is provided on the same left lateral side (the already-cut ground side) of the traveling vehicle body 1, and the work deck 14 has a front end. Is arranged near the rear end of the driving unit step 2B. The operation unit step 2B and the work deck 14 located at the upper end of the boarding / alighting step 13 are provided at a height that does not interfere with each other, although there is a slight difference in height. . The boarding step 13 and the work deck 14 are provided with protective members 13A and 14A for supporting the body of the worker.
The work deck 14 is located above the fuel tank 81 for storing the fuel supplied to the engine 80, and has a cover function that covers the fuel tank 81. The prime mover 8 includes an engine 80, a radiator 82 for cooling the engine, an air cleaner 83 and a precleaner 84 for sucking combustion air.

As shown in FIG. 2, the engine 80 is provided on the right side in the vehicle body lateral direction with respect to the feeder 4. Further, as shown in FIG. 3, the radiator 82 and the air cleaner 83 are arranged in a state of being positioned above the engine 80.
As shown in FIG. 2, the work deck 14 and the engine 80 are arranged at positions facing each other in plan view in a state where the work deck 14 and the engine 80 are distributed to both sides in the horizontal direction of the machine body with the feeder 4 interposed therebetween.

[Harvest processing equipment]
The harvesting processing device 3 is supported by a cabin support base 2 </ b> A in the vehicle body frame 10 so as to be swingable around a horizontal axis along the left-right direction of the traveling vehicle body 1, and a pair of left and right hydraulic operations supported by the lower part of the vehicle body frame 10. It is provided so that it can be driven up and down by a lifting cylinder 34 for a harvesting processing apparatus of the type.

As shown in FIGS. 1 and 2, the harvesting processing device 3 is formed with three rows of introduction paths arranged in parallel in the horizontal direction, and a pair of left and right harvesting rolls 30 are positioned above each of the introduction paths. A pair of left and right endless transport chains 31 and the like are provided. Although not described in detail, the harvest roll 30 is rotatably supported around a rotation axis that is parallel to the introduction path, and is used to plant a corn crop (tuft) that is a target for harvesting the introduced corn. They are torn off from the stem stalks and separated to make the harvest.
In addition, an auger 32 is provided at a rear position of the plurality of harvesting rolls 30 and the plurality of endless transport chains 31 to transfer the harvested product to a lateral central position. The auger 32 moves the crops separated from the planted stems to the lateral center position through the three rows of introduction paths. The auger 32 supplies the harvested product from the delivery port to an input port (not shown) provided at the conveyance start end of the feeder 4.

〔feeder〕
As shown in FIGS. 1 and 4, the feeder 4 has a plurality of conveying plates 41 a at a set interval across a pair of left and right endless rotating chains 41 in a feeder case 40 that is inclined obliquely toward the rear side. Are installed and supported.
The feeder 4 functions as a transport conveyor, and transports the harvested material supplied from the input port while being pushed and moved by the transport plate 41 a along the upper surface side of the transport guide plate 42. A crop discharge port 43 that opens toward the rear of the machine body is formed in the rear end portion (feeding end portion) of the feeder case 40, and the harvested product that has been conveyed is rearward from the crop discharge port 43 and above the storage and collection device 6. Drain in the direction.

  As shown in FIG. 4, at the rear of the feeder 4, a scraping device 44 that scrapes non-harvested products discharged together with the harvested product by the feeder 4, such as leaf waste and stem scum scraps, in a direction different from the direction in which the harvested product is discharged, A shredding device 45 that shreds the non-harvested material scraped by the scraping device 44 is provided inside the rear end side of the feeder case 40.

  The scraping device 44 includes a pair of scraping rotators 44a and 44b in an upper portion of the feeder case 40 behind the crop discharge port 43 for discharging the crop. The pair of scraping rotators 44a and 44b are fixed to a plurality of elongated scoring bars 44c along the axial direction at an appropriate interval in the circumferential direction, and are driven to rotate in the reverse rotation direction with respect to each other. It acts so as to feed scraps and stalk scraps to the shredding device 45 side.

The shredding device 45 includes a rotary blade 45a that is rotationally driven inside the feeder case 40, and a fixed blade 45b that is disposed near the outside of the rotation area of the rotary blade 45a and is fixed inside the feeder case 40. The non-harvested product is shredded by the rotary blade 45a and the fixed blade 45b.
Then, the processed material shredded by the rotary blade 45a and the fixed blade 45b is caused to follow the discharge guide body 45c provided around the outside of the rotation area of the rotary blade 45a by the discharge action by the rotation of the rotary blade 45a. Then, it is discharged backward from the non-harvest product outlet 46.

  Therefore, according to this configuration, the harvested product (tufted portion) conveyed by the feeder 4 is discharged from the harvested product discharge port 43, but is harvested by cutting the harvesting device 3 during harvesting or the like. The non-harvest product conveyed by being mixed with the product is pushed out by the conveyance plate 41 a and is sent out to the rear of the harvest discharge port 43. The non-harvest product sent to the rear of the crop discharge port 43 is received by the scraping device 44 and scraped backward. The non-harvest product scraped by the scraping device 44 is supplied to the shredding device 45. The supplied non-harvest product is shredded by the shredding device 45, and is discharged rearward and upward from the non-harvest product discharge port 46 by the discharging action by the rotation of the rotary blade 45a.

Further, the feeder 4 is provided with a flow guide mechanism 47 that slides the harvested product discharged from the harvested product discharge port 43 and guides it to the storage and recovery device 6.
The flow guide mechanism 47 includes a metal inclined guide body 48 that is continuously provided in a downwardly inclined posture with respect to the feeder case 40 below the harvest outlet 43, and a bottom plate portion 48a of the inclined guide body 48. The guide surface 49a is inclined so as to follow the upper surface 48c (corresponding to the guide surface), and includes a flexible rubber plate guide member 49.
The inclined guide body 48 is formed in a channel shape having an upward opening on both sides of the bottom plate portion 48a, with rising walls 48b for suppressing spillage of the harvested product.

The guide member 49 is detachably connected to the lower surface side of the bottom plate portion 48a by a connecting bolt 49b. The inclined lower end of the guide member 49 is extended to the side closer to the harvest receiving port 6A of the storage and recovery apparatus 6 in the direction of the harvest flow than the inclined lower end of the bottom plate portion 48a of the inclined guide body 48 on the feeder 4 side. ing.
The harvest receiving port 6A of the storage and collection apparatus 6 is provided with a receiving guide 6Aa for receiving the crop on the lower edge side of the harvest receiving port 6A. The upper surface of the receiving guide 6 </ b> Aa is formed on a surface that is inclined in the same manner as the upper surface 48 c of the bottom plate portion 48 a and the guide surface 49 a of the guide member 49 so as to substantially follow the inclination of the bottom plate portion 48 a of the inclined guide body 48.
The inclined lower end of the guide member 49 and the inclined upper end of the receiving guide 6Aa of the harvest receiving port 6A are substantially the same position in the flow direction of the harvest, or a position close enough to prevent the crop from dropping off. It is provided as follows. In this way, it is possible to prevent the crops from dropping from between the inclined lower end of the bottom plate portion 48a of the inclined guide body 48 and the inclined upper end of the receiving guide 6Aa provided at the harvest receiving port 6A of the storage and recovery apparatus 6. It is configured as follows.

As shown in FIG. 4 and FIG. 5, a dust feed fan 33 for supplying sorting air is provided at a location below the harvest outlet 43 in the feeder 4.
A large number of slits 48 d are formed in the bottom plate portion 48 a of the inclined guide body 48 at portions corresponding to the air blowing ports 33 a of the dust feeding fan 33. This is a blowing action of the dust feed fan 33, and it is possible to blow off leaf waste, stem scum waste, etc. mixed in the harvest that is being supplied to the harvest receiving port 6A of the storage and collection device 6 from the harvest discharge outlet 43. It is for making it possible.
When the guide member 49 is attached to the inclined guide body 48, the guide member 49 is a slit formed in the bottom plate portion 48a so that the guide member 49 does not block the slit 48d of the bottom plate portion 48a of the inclined guide body 48. Among the locations where 48d is present, it is attached to a location closer to the tip side of the inclined guide body 48 while avoiding the portion corresponding to the air blowing port 33a of the dust feeding fan 33.

  By providing the guide member 49 in this way, it is possible to suppress the fall of the crop in the middle of the flow from the crop discharge port 43 of the feeder 4 to the crop receiving port 6A of the storage and recovery device 6, and as will be described later. Contact between the inclined guide body 48 and the receiving guide 6Aa can be reliably avoided when the posture is changed by swinging the storage tank 60 of the storage and recovery device 6 up and down.

[Residue processing equipment]
As shown in FIG. 2 and FIG. 3, the residue processing device 5 provided in the front and rear intermediate portion between the front wheel 11 and the rear wheel 12 at the lower part of the body frame 10 has a horizontal width in the harvesting processing device 3. The horizontal width of the harvesting action range in the direction is approximately the same as the lateral width W, that is, the lateral width of the traveling vehicle body 1 is approximately the same as the lateral width.
This is because the harvesting processing device 3 is used to travel and move the harvested traces in the harvesting processing device 3 located at the front portion of the traveling vehicle body 1 and having a harvesting action range equal to or greater than the lateral width of the traveling vehicle body 1. This is for finely chopping the stems left in the field throughout the entire harvesting range.

The residue processing device 5 has a substantially central position in the left-right direction connected to a lifting cylinder 50 installed on the vehicle body frame 10 via a suspension chain 51, and accompanying the lifting operation of the lifting cylinder 50. Suspended and supported for height adjustment.
Further, the left side end portion (first lateral side) of the traveling vehicle body 1 in the left-right direction is transmitted to the residue processing device 5 so that driving force is transmitted from the engine 80 installed on the upper portion of the vehicle body frame 10. A driving force transmission portion 52 is provided at the end).

The driving force transmission unit 52 to the residue processing device 5 is configured as shown in FIG.
In other words, the drive rotary shaft 53 provided with the cutting blade 53a of the residue processing device 5 is suspended and supported by the vertical movement of the lifting cylinder 50. A relay transmission shaft 55 that transmits a driving force to the drive rotation shaft 53 via a transmission belt 54 as a power transmission member is pivotally supported at a fixed position on the lower side of the vehicle body frame 10, and the drive rotation shaft 53, the transmission belt, and the like. The drive force transmission part 52 is comprised including the cover body 56 which covers 54 and the relay transmission shaft 55 from the lateral outer side. Power is transmitted to the relay transmission shaft 55 from the engine 80 installed at the upper part of the vehicle body frame 10 via the transmission belt 57.

The cover body 56 is formed by an inclined surface that is inclined so that a forward-facing surface 56a facing the front of the vehicle body is located rearward as it extends laterally outward. The cover body 56 also functions as a support member for the drive rotation shaft 53 when the drive rotation shaft 53 is vertically swung around the axis of the relay transmission shaft 55.
Although not shown, the power of the relay transmission shaft 55 is also supplied to the front harvesting processing device 4 via a transmission chain or the like.

[Storage and collection equipment]
Next, the storage and collection device 6 installed at the rear part of the traveling vehicle body 1 will be described.
The storage and recovery device 6 is mounted on the rear portion of the vehicle body frame 10 at a position on the rear side of the rear end of the feeder 4.
As shown in FIGS. 1 to 3 and FIGS. 6 to 8, the storage and recovery device 6 includes a tank support 7 fixed to the vehicle body frame 10, and the traveling vehicle body 1 with respect to the tank support 7. And a storage tank 60 pivotally supported so as to be swingable about a swing axis p1 along the front-rear direction.
The storage tank 60 is actuated by a telescopic cylinder 75, and is configured to be able to change its posture between a standing posture and a lying posture by swinging up and down around the swing axis p1. As shown by a solid line in FIG. 8, the harvest can be stored in a standing posture where the bottom surface 60 a is located on the vehicle body frame 10, and the bottom surface 60 a is substantially upright away from the vehicle body frame 10 as indicated by a virtual line in FIG. 8. In the lying posture, the stored harvest can be discharged to the lateral side of the traveling vehicle body 1.

The pivot axis p1 is an axis of a support shaft 76 fixed to the upper end portion of the tank support 7, and the support shaft 76 is connected and fixed to an upper frame 66 provided at the upper portion of the storage tank 60. Accordingly, the storage tank 60 is placed on the upper side of the standing posture.
As shown in FIG. 6, the tank support 7 is erected at a position offset to the left lateral side in the left-right direction of the body frame 10. The upper end side is connected to the vehicle body frame 10 in a posture in which the upper end side is tilted to the left lateral side than the lower end side, and the support shaft 76 is provided in a state of being protruded laterally outward from the left end portion of the vehicle body frame 10. .
Therefore, the storage tank 60 undulates around the pivot axis p1 at a position on the upper side of the storage tank 60 far from the upper surface of the body frame 10 and farther laterally outward than the left lateral end of the body frame 10. It is configured such that the posture can be changed between the standing posture and the lying posture by moving.
The storage direction of the storage tank 60 in the lying posture is the left-right direction of the traveling vehicle body 1, and the right-side end (the first end) where the driving force transmission unit 52 to the residue processing device 5 is disposed. It is set on the laterally outer side of the left end portion (corresponding to the second horizontal end portion) which is the opposite end portion to that corresponding to one horizontal end portion.

[Tank support]
The tank support 7 that supports the storage tank 60 includes a front frame 70 disposed on the front side of the storage tank 60, a rear frame 71 disposed on the rear side, and the front frame 70 and the rear frame 71. The horizontal frame 72 is connected to the storage tank 60 at the left side position.
The front frame 70 is a first front frame 70A located at the left end and a position overlapping the first front frame 70A in a side view, the upper end side being connected, and the lower end side being located away from the right side. 2 and a front frame 70B. The rear frame 71 is also formed in the same shape as the front frame 70, and the first rear frame 71A located at the left end is connected to the first rear frame 71A at a position overlapping the first rear frame 71A in a side view, and The lower rear side is configured to include a second rear frame 71B positioned away in the right direction.

As shown in FIG. 1, mounting plates 72 a and 72 b for the horizontal frame 72 are provided at both upper and lower ends with respect to the left lateral surface of the front frame 70 and the rear frame 71.
The horizontal frame 72 includes a first horizontal frame 72A that connects an upper mounting plate 72a of the front frame 70 and a lower mounting plate 72b of the rear frame 71, a lower mounting plate 72b of the front frame 70, and an upper portion of the rear frame 71. A second horizontal frame 72B connecting the mounting plate 72a is provided.
The first horizontal frame 72A and the second horizontal frame 72B are made of a plate material having an L-shaped cross section, and are connected to the mounting plates 72a and 72b on the front and back sides as shown in FIG. That is, in the illustrated structure, the first horizontal frame 72A is connected to the right side surface of the mounting plates 72a and 72b, and the second horizontal frame 72B is connected to the left side surface of the mounting plates 72a and 72b so as to cross each other. ing.

The fixing structure between the tank support 7 and the vehicle body frame 10 is configured as follows.
As shown in FIGS. 9 to 11, an intermediate horizontal frame 10 </ b> B is installed between a pair of left and right main frames 10 </ b> A and 10 </ b> A along the front-rear direction of the body frame 10. A laterally extending arm 17 is extended to the left outer side of the left main frame 10A on an extension line of the intermediate lateral frame 10B. A U-shaped first bracket 73 that is open upward is welded and fixed to the upper surfaces of the laterally extending arm 17 and the intermediate lateral frame 10B.
A fixing nut 73a is fixed to the first bracket 73 by welding, and a connection hole 73b is formed at a position coaxial with the fixing nut 73a.
An insertion hole 70a for the connecting bolt 73c is formed in each of the first front frame 70A and the second front frame 70B of the front frame 70. Accordingly, as shown in FIG. 11, the connecting bolt 73c is inserted in the insertion hole 70a formed in the first front frame 70A and the second front frame 70B and the connection hole 73b of the first bracket 73 in the front-rear direction. The front frame 70 is connected and fixed to the vehicle body frame 10 by being screwed into the fixing nut 73a fixed to the first bracket 73 and tightening.

FIG. 10 shows a connection structure between the first front frame 70 </ b> A and the first bracket 73 on the laterally extending arm 17. The fixing nut 73a of the first bracket 73 is welded and fixed to the upper connecting hole 73b and the lower left connecting hole 73b among the three connecting holes 73b formed in the first bracket 73. Has been. Accordingly, the upper and lower insertion holes 70a of the first front frame 70A are inserted with the connection bolts 73c in a state where they match the upper connection hole 73b and the lower left connection hole 73b to which the fixing nut 73a is fixed by welding. Fixed.
FIG. 11 shows a connection structure between the second front frame 70B and the first bracket 73 on the intermediate horizontal frame 10B. In this place, the fixing nut 73a of the first bracket 73 is fixed to the upper connecting hole 73b and the lower right connecting hole 73b among the three connecting holes 73b formed in the first bracket 73. 73a is fixed by welding. Accordingly, the upper and lower insertion holes 70a of the second front frame 70B are inserted with the connection bolts 73c in a state where they match the upper connection hole 73b and the lower right connection hole 73b to which the fixing nut 73a is fixed by welding. Fixed.

As shown in FIGS. 8, 9 and 12, a rear connection frame 10 </ b> C is formed in a channel shape and is elongated in the left-right direction at the rear ends of the pair of left and right main frames 10 </ b> A, 10 </ b> A.
Thereafter, a connecting bolt insertion hole 10Ca is formed in the connecting frame 10C near the left end and on the upper surface near the right end.
U-shaped second brackets 74 that are open upward are welded to the lower ends of the first rear frame 71A and the second rear frame 71B of the rear frame 71, respectively. In the second bracket 74, long connecting long holes 74a are formed in the left and right directions at both front and rear positions of the fixing positions of the first rear frame 71A and the second rear frame 71B.
Therefore, the front and rear connecting long holes 74a of the second bracket 74 fixed to the lower ends of the first rear frame 71A and the second rear frame 71B, and the bolt insertion holes 10Ca formed in the rear connecting frame 10C. The rear frame 71 is connected and fixed to the vehicle body frame 10 by inserting the connecting bolts 74b and tightening and fixing them.
FIG. 12 shows a connection portion between the first rear frame 71 </ b> A of the rear frame 71 and the second bracket 74. The structure of the connection portion between the second rear frame 71B and the second bracket 74 is that the connection angle between the second rear frame 71B and the second bracket 74 is slightly different, and the first rear frame 71A and the second bracket 74 are different from each other. Since the structure is the same as that of the connecting portion, the illustration is omitted.

In the connecting structure portion between the rear frame 71 and the vehicle body frame 10, in the second bracket 74, long connecting elongated holes 74 a in the left-right direction are provided at both the front and rear positions of the fixing positions of the first rear frame 71 A and the second rear frame 71 B. Thus, the mounting position of the second bracket 74 and the vehicle body frame 10 along the length direction of the connecting long hole 74a can be adjusted and attached.
Therefore, when the tank support 7 is fixed to the vehicle body frame 10 with the front frame 70 side as an attachment reference, due to overall distortion of the tank support 7 or manufacturing errors, the space between the rear frame 71 side and the vehicle body frame 10 side. Even if there is a slight misalignment in the left-right direction, this can be absorbed and attached. That is, the elongated connecting hole 74 a formed in the second bracket 74 in the left-right direction constitutes a position adjusting mechanism that can adjust the mounting position of the tank support base 7 in the horizontal direction with respect to the vehicle body frame 10.
Also in the vertical direction, by inserting an appropriate number of shims 74c between the lower surface of the second bracket 74 and the upper surface of the rear connecting frame 10C, the rear frame 71 is held in a state in which the positional deviation in the vertical direction is absorbed. It can be connected and fixed to the body frame 10. The shim 74c constitutes a position adjusting mechanism capable of adjusting the mounting position of the tank support 7 in the vertical direction with respect to the vehicle body frame 10.

As shown in FIGS. 6 to 8, the telescopic cylinder 75 that swings the storage tank 60 up and down includes an upper frame 66 provided in the upper part on the front side of the storage tank 60 and the length direction of the second front frame 70 </ b> B in the front frame 70. Between the upper frame 66 provided in the upper part of the rear side of the storage tank 60 and the intermediate position of the rear frame 71 in the longitudinal direction of the second rear frame 71B. It is configured to extend and retract in synchronization with the front and rear.
The expansion / contraction operation range of the expansion / contraction cylinder 75 is such that the expansion / contraction cylinder 75 contracts most when the bottom surface 60a of the storage tank 60 is positioned on the vehicle body frame 10 as shown by a solid line in FIG. Thus, when the bottom surface 60a is separated from the vehicle body frame 10 and is in a lying posture substantially along the vertical direction, or the lying posture in which the upper side of the bottom surface 60a is further laterally outward than the lower side of the lying posture, It is set to reach the limit.

[Storage tank]
The structure of the storage tank 60 will be described.
The storage tank 60 is formed in a bottomed box shape having a rectangular shape in a plan view in which each of the four sides of a substantially rectangular bottom plate portion 61 having a bottom surface 60a facing the vehicle body frame 10 is surrounded by a peripheral wall and opened upward. .
That is, as shown in FIGS. 14 to 17, the storage tank 60 includes a front side wall portion 62 facing the front of the traveling vehicle body 1, a rear side wall portion 63 facing the rear, around the peripheral frame 61 a of the bottom plate portion 61. It has a right side wall portion 64 (corresponding to a lateral side wall portion) facing in the right lateral direction and a left side wall portion 65 (corresponding to a lateral side wall portion) facing in the left lateral direction. A crop receiving port 6A for introducing a crop from the feeder 4 and a see-through window portion 6B for making the inside of the storage tank 60 visible from the front side are formed in the upper part of the front side wall 62. . The see-through window portion 6B only needs to be able to visually observe the inside while preventing the leakage of the harvest, and this structure employs expanded metal.

The left side wall 65 on the left lateral side, which is the direction in which the harvest is discharged, is a standing posture of the storage tank 60, the lower end side is positioned near the left end of the body frame 10, and the upper end side is lateral to the left end of the body frame 10. The upper side is provided with an inclined posture located on the left side as it protrudes outward. The inclination angle of the left side wall portion 65 with respect to the bottom plate portion 61 is set to an angle at which the harvested product in the storage tank 60 can be reliably slid down when the bottom plate portion 61 is operated in a substantially vertical posture.
The right side wall portion 64 facing the right lateral direction of the traveling vehicle body 1 is formed of a rectangular plate material substantially along a vertical line in the standing posture of the storage tank 60.
The front side wall part 62 and the rear side wall part 63 are standing postures of the storage tank 60, the right side edge is substantially along the vertical line along the right side wall part 64, and the left side side edge is upward along the left side wall part 65. It is formed in the inclined edge located in the left lateral side, so that the side is.

  The front side wall part 62 and the rear side wall part 63 are welded to the outside of the wall with a horizontally long upper frame 66 covering the entire width in the left-right direction at a position corresponding to a height position of about 2/3 in the height direction. Fixed. At the left end of the front and rear upper frames 66, 66 provided on each of the front side wall 62 and the rear side wall 63, the tank is positioned outside the storage tank 60 in the left side wall 65. A support shaft 76 that connects the upper ends of the front frame 70 and the rear frame 71 of the support base 7 is provided so as to penetrate the front and rear upper frames 66 and 66. The axis of the support shaft 76 becomes the pivot axis p1 when the storage tank 60 swings up and down.

The front side wall part 62 and the rear side wall part 63 are provided with peripheral frames 62a and 63a for reinforcement at respective outer peripheral edge portions. Two reinforcing rib members 60b are welded and fixed along the vertical direction between the peripheral frames 62a and 63a on the bottom side of the front side wall 62 and the rear side wall 63, and the upper frame 66. As shown in FIG. 17, the reinforcing rib member 60 b has a shape in which the center bulges in a mountain shape toward the outdoor side of the storage tank 60 in a cross-sectional view.
A similar reinforcing rib member 60 b is also formed on the indoor side of the storage tank 60 with the left side wall portion 65, the bottom plate portion 61, and the right side wall portion 64. The indoor-side reinforcing rib member 60b is formed in such a shape that the center bulges in a mountain shape toward the indoor side. Two reinforcing rib members 60b of the left side wall portion 65 are provided at two positions along the vertical direction, and two reinforcing rib members 60b of the bottom plate portion 61 are spaced apart along the left-right direction. Is provided. On the right side wall 64, one reinforcing rib member 60b is provided along the vertical direction at a substantially central position in the front-rear direction on the indoor side of the storage tank 60.

9 and 13, of the pair of left and right main frames 10A, 10A along the front-rear direction of the body frame 10, the right main frame 10A has a support wider than the width in the left-right direction of the main frame 10A. A plate 18 is provided.
The support plate 18 contacts the bottom surface 60a of the storage tank 60 at two positions in the length direction of the right main frame 10A, a position near the intermediate horizontal frame 10B and a position near the rear connection frame 10C. 60 is supported.
The support plate 18 is located near the right side of the reinforcing rib member 60b provided on the upper surface of the right main frame 10A and the front side wall 62 and the rear side wall 63 of the storage tank 60 in the front-rear direction. This is a range extending to the lower end side of the reinforcing rib member 60b provided at the location. Therefore, even if the reinforcing rib member 60b provided on the right side of the front side wall portion 62 and the rear side wall portion 63 of the storage tank 60 is slightly off the upper surface of the right main frame 10A, The acting load can be reliably applied to the right main frame 10A via the reinforcing rib member 60b and the support plate 18 provided on the right side.

Among the peripheral walls of the storage tank 60, the front side wall 62 and the left side wall 65, and the left side wall 65 and the rear side wall 63 are welded to the lower side of the upper frame 66 at the points where the respective ends join. And the bottom plate portion 61 are also integrated by welding.
The right side wall 64 is detachably bolted to the right side edge of the front side wall part 62 and the right side edge of the rear side wall part 63 via a number of fixing bolts 60c.
The wall portions 62A and 63A above the upper frame 66 of the front side wall portion 62 and the rear side wall portion 63 are located at the upper edge of the upper frame 66, the upper side of the left side wall portion 65, and the upper side of the right side wall portion 64. It is connected to the bolt.

The wall portion 62A on the upper side of the upper frame 66 of the front side wall portion 62 is formed with a crop receiving port 6A for introducing a crop from the feeder 4 at a substantially central position in the left-right direction. A portion corresponding to the left edge portion of the harvest receiving port 6A and the left wall portion 65 is formed in the see-through window portion 6B.
The see-through window portion 6B is located at the upper portion of the left end portion of the storage tank 6 in the harvested product discharge direction, and is provided at a position protruding laterally outward from the left end portion of the body frame 10.

At the end of the storage tank 60 on the discharge direction side, there is a sharp corner formed by an end edge where the left side wall portion 65 and the front side wall portion 62 intersect and an upper end edge of the front side wall portion 62. However, the see-through window portion 6B is formed at a location close to the corner portion including the sharp corner portion.
Further, as shown in FIGS. 2 and 21, the portion where the see-through window portion 6 </ b> B exists is provided so as to be located on the left lateral outer side than the left end portion of the operation cabin 20.

The upper frame 66 provided on each of the front side wall portion 62 side and the rear side wall portion 63 side of the storage tank 60 includes an upper frame main portion 67 extending over the entire length of the upper frame 66 and a left end portion of the upper frame main portion 67. And a cylinder connecting portion 68 provided at the offset position.
As shown in FIGS. 18 and 19, the upper frame main portion 67 has a flat plate member 67B wider than the open side end portion at the open side end portion of the channel-shaped horizontal cross member 67A that is slightly wider in the vertical direction. Is fixed by welding. As a result, the flat plate member 67B is formed in a rectangular tube shape so that the open side of the channel-shaped horizontal beam member 67A is closed, and the wide flat plate member 67B protrudes in a flange shape above and below the rectangular tube portion. An upper frame main portion 67 having a different shape is formed. A cylinder connecting portion 68 is formed near the left end portion of the upper frame main portion 67, and the above-described support shaft 76 is attached to the left end portion further than the cylinder connecting portion 68.

The cylinder connecting portion 68 is configured as shown in FIGS. 14 and 18.
The lower reinforcing member 68A and the outer reinforcing member 68B constituting the cylinder connecting portion 68 in a state of being positioned outside the channel-shaped horizontal beam member 67A at a location near the left end portion of the upper frame main portion 67. Is provided.
As shown in FIG. 18, the lower reinforcing member 68A is welded and fixed to a portion near the lower portion of the surface 67Aa along the vertical direction of the channel-shaped horizontal beam member 67A and a portion where the wide flat plate member 67B is further widened downward. ing.
The outer reinforcing material 68B has two surfaces on the side facing the upper frame 66 and the lower side open, and the upper side, the side away from the upper frame 66, and the left and right side surfaces along the longitudinal direction of the upper frame 66 are closed. It is formed in a box shape.
As shown in FIG. 18, the outer reinforcing material 68B is provided so as to form a space further outward than the lower reinforcing material 68A. That is, a predetermined distance is formed between the vicinity of the upper portion of the surface 67Aa along the vertical direction of the horizontal beam member 67A, the surface 68Aa along the vertical direction of the lower reinforcing material 68A, and the surface 68Aa along the vertical direction of the lower reinforcing material 68A. In a state where there are spaced apart portions, the upper end side edge in contact with the outer surface of the cross beam member 67A and the left and right side edge edges in contact with the outer surface of the lower reinforcing member 68A are fixed by welding.

By attaching the outer reinforcing material 68B in this way, a state in which a predetermined interval is secured between the outer reinforcing material 68B and the surface of the lower reinforcing material 68A along the vertical direction of the lower reinforcing material 68A and the surface of the portion facing it. Become. A connecting shaft 68C for connecting the upper end portion of the telescopic cylinder 75 is inserted and fixed across the outer reinforcing member 68B and the lower reinforcing member 68A at a position facing the outer reinforcing member 68B. The connecting shaft 68C serves as the connecting shaft on the upper end side of the telescopic cylinder 75.
The cylinder connecting portion 68 configured as described above is provided on both the front side wall 62 side and the rear side wall 63 side of the storage tank 60. The telescopic cylinder 75 is located between the connecting shaft 68C provided on the front side wall 62 side and the intermediate position of the front frame 70 of the tank support 7 in the longitudinal direction of the second front frame 70B, and the rear side wall 63. The connecting shaft 68 </ b> C provided on the side and the intermediate position of the rear frame 71 in the longitudinal direction of the second rear frame 71 </ b> B are provided.

[Driving cabin]
As shown in FIG. 1 to FIG. 3, the operation cabin 20 includes a front wall 22, a rear wall 23 (corresponding to a rear wall), a right side wall 24, A peripheral wall composed of a lateral wall 25 (corresponding to a lateral wall portion) and a roof plate 26 are provided and formed in a rectangular box shape.
The front chamber wall 22 that is the front surface is substantially made of transparent glass, and is formed in a shape that inclines toward the front toward the upper side.
As shown in FIG. 21, the rear rear wall 23 on the rear surface has a narrow vertical width so that the operator sitting on the driver's seat 2C can look back on the rear side of the vehicle body when looking back. However, a wide rear window 23a is formed in the left-right direction. The rear window 23a is made of transparent glass, and is configured so as to be able to visually recognize the storage state of the harvested product that is thrown into the rear storage tank 60, the harvested product discharge state in the lying posture of the storage tank 60, and the like. Yes.

The left side wall 25 of the room, which is the left side surface, is provided with a transparent glass opening / closing door 25a that can be opened and closed at the front side, and the opening / closing door 25a opens and closes the rear side with the hinge 25b on the front side as a swing fulcrum. Is provided. On the rear side of the left side surface, there is provided an auxiliary opening / closing window 25c (corresponding to a side window) made of transparent glass that can be opened / closed using the rear hinge 25d as a swing fulcrum.
In addition, on the left lateral outer side of the driving cabin 20, the state of storage of the harvest in the storage tank 60 in the standing posture and the harvest from the storage tank 60 in the lying posture in the state of being seated on the driver's seat 2 </ b> C. A rearview mirror 27 is provided so that the discharge state can be visually recognized through the fluoroscopic window portion 6B.

  On the right side wall 24 on the right side, an opening / closing door 24a and an auxiliary opening / closing window 24c are provided in the same arrangement as the left side wall 25. The right opening / closing door 24a is open / close for emergency escape. The opening amount of the door 24a is limited to a predetermined range. Further, on the right side of the driving cabin 20, the driving unit step 2 </ b> B and the boarding / alighting step 13 as on the left side are not provided.

An operation portion 28 of an expansion / contraction cylinder 75 for changing the posture of the storage tank 60 is provided at an intermediate portion in the vertical direction of the rear column 20a provided at the left end of the chamber rear wall 23 of the operation cabin 20. Yes.
As shown in FIGS. 1 and 21, the operation unit 28 is provided at the upper left part on the left side of the driver's seat 2 </ b> C and can be operated while looking back while staying on the driver's seat 2 </ b> C. The operating portion 28 is disposed in a state in which the operator opens the left opening / closing door 25a, puts one foot on the driving portion step 2B outside the driving cabin 20, and places the half body outside the driving cabin 20. Alternatively, even when the driver rides on the driving unit step 2B with both feet, the position is set to reach if one arm is extended from the doorway into the driving cabin 20.
Further, if the left auxiliary opening / closing window 25c is opened, the operation unit 28 can be operated from the outside of the driving cabin 20 even when the opening / closing door 25a is closed.

  As shown in FIG. 21, the operation unit 28 includes a pair of push button type operation switches 28a and 28b arranged vertically. The operation switch 28a disposed on the upper side is a switch for operating the telescopic cylinder 75 to the expansion side so as to change the posture of the storage tank 60 to the lying down position and discharge the harvest, and the operation switch disposed on the lower side. 28b is a switch for operating the telescopic cylinder 75 to the contraction side so as to change the posture to the side where the storage tank 60 is returned to the standing posture.

[Other Embodiment 1]
In the embodiment, the left side wall portion 65 of the storage tank 60 is in the standing posture of the storage tank 60, the lower end side is positioned near the left end portion of the vehicle body frame 10, and the upper end side protrudes laterally outside the left end portion of the vehicle body frame 10. Thus, it forms so that it may be the inclination attitude | position which is located in the left side side toward the upper side. Then, the inclination angle is set to an angle that allows the harvested product in the storage tank 60 to slide down reliably when the bottom plate portion 61 is operated in a substantially vertical posture, but is not limited to this. Absent.
For example, the angle may be set such that the harvested product in the storage tank 60 can be surely slid down in the middle from the state in which the bottom plate portion 61 is in a substantially horizontal posture to the vertical posture. On the contrary, even if the bottom plate portion 61 is operated in a substantially vertical posture, the angle does not yet reach an angle at which the harvested product in the storage tank 60 can be reliably slid down. An angle that allows the harvested product in the storage tank 60 to slide down reliably in a state in which the portion located on the upper side of 61 is swung until the portion located on the lateral side is located further laterally than the portion located on the lower side. You may set so that.
Further, the left side wall 65 may not be an inclined side wall, but may be configured to be a side wall perpendicular to the bottom plate 61 like the right side wall 64.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the embodiment, a horizontally long upper frame 66 is provided at a place corresponding to a height position of about 2/3 in the height direction of the storage tank 60 where the swing axis p1 of the storage tank 60 exists. The position of the support shaft 76 provided on the upper frame 66 is not limited to this.
That is, the position of the upper frame 66 is appropriately changed, for example, about 1/2 or about 3/4 in the height direction, and the position of the pivot axis p1 is also set to the height position of the upper frame 66. You may make it change according to a change. Further, the position of the pivot axis p1 may be uniquely set in the height direction independently of the position of the upper frame 66. The position of the pivot axis p1 in the height direction may be set to an arbitrary position, but is desirably on the upper half side of the storage tank 60.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
In the embodiment, with respect to the attachment of the tank support 7 to the vehicle body frame 10, the front frame 70 side is welded and fixed to the vehicle body frame 10, and the rear frame 71 is connected and fixed via a position adjusting mechanism. Although shown, it is not limited to this.
That is, the rear frame 71 side may be fixed to the vehicle body frame 10 by welding, and the front frame 70 may be connected and fixed via a position adjusting mechanism.
Further, the front frame 70 side and the rear frame 71 side may be connected and fixed via a position adjusting mechanism. The position adjusting mechanism is not limited to the connecting long hole 74a and the shim 74c, and an appropriate structure can be adopted.
Other configurations may be the same as those in the above-described embodiment.

[4 of another embodiment]
In the embodiment, the structure in which the see-through window portion 6B of the storage tank 60 is made of expanded metal is exemplified, but the present invention is not limited to this. For example, an appropriate structure can be adopted as long as the inside of the see-through window 6B can be visually observed while preventing leakage of harvested products, such as punching metal, wire mesh, lattice-like members, transparent resin plate, and transparent glass plate.
Other configurations may be the same as those in the above-described embodiment.

[5 of another embodiment]
In the embodiment, the structure in which the operation unit 28 is provided on the rear column 20a of the left lateral end of the rear chamber wall 23 in the operation cabin 20 is shown, but the present invention is not limited to this.
In other words, when the driving cabin 20 is provided, the driving cabin 20 can be provided at any position where it can be operated in a posture in which the driving cabin 20 can be visually recognized from the rear. It is desirable that the portion not be far away from the open / close door 25a so that the
When the driving cabin 20 is not provided, it can be selected and provided at an arbitrary position such as an appropriate operation position near the steering handle 2D or an appropriate operation position beside the driver seat 2C.
Other configurations may be the same as those in the above-described embodiment.

[6 of another embodiment]
In the embodiment, the operation unit 28 has a structure in which a pair of operation switches 28a and 28b are provided on the upper and lower sides, but the operation unit 28 is not limited thereto.
That is, the arrangement direction of the pair of operation switches 28a and 28b is not limited to the top and bottom, and may be front and rear or left and right.
Further, as the operation switches 28a and 28b, it is not necessary to use a plurality of operation switches 28a and 28b as a pair. By using a single operation switch having a plurality of push operation units, it is possible to operate one push operation unit. The telescopic cylinder 75 may be operated so as to operate the storage tank 60 toward the lying down side, and the telescopic cylinder 75 may be operated so as to operate the storage tank 60 toward the standing side by operating the other push operation unit.
Other configurations may be the same as those in the above-described embodiment.

[7 of another embodiment]
In the embodiment, the right side wall 24 on the right side, which is an uncut area, is not provided with the driving unit step 2B or the step 13 for getting on and off, and the open / close door 24a is also opened in a narrower range than the left open / close door 25a. Although the amount is limited, it is not limited to this.
That is, the open / close door 24a that can be opened and closed is provided on the right side wall 24 side of the right side, which is an uncut area, as well as the open / close door 25a on the left side wall 25 side. It may be provided.

  The present invention can be applied to a corn harvester for harvesting corn, and can also be applied to a structure without a driving cabin and a front wheel steering type.

DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 2 Driving part 2B Driving part step 2C Driving seat 3 Harvesting part (harvest processing device)
DESCRIPTION OF SYMBOLS 4 Feeder 5 Residue processing apparatus 6 Storage collection | recovery apparatus 6A Harvest object entrance 6B Perspective window part 7 Tank support stand 10 Body frame 13 Step for getting on / off 14 Work deck 20 Operation cabin 23 Rear wall part (rear wall of room)
23a Rear window 25 Side wall (left side wall)
25a Open / close door 25b Swing fulcrum (hinge)
25c Side window (auxiliary opening / closing window)
27 Side mirror 28 Operation part 28a, 28b Operation switch 60 Storage tank 62 Front side wall part 65 Side wall part (left side wall part)
70 front frame 71 rear frame 75 telescopic cylinder p1 swing axis

Claims (20)

A harvesting part that is located in the front of the traveling vehicle body and harvests the harvest,
A feeder that conveys the harvested product harvested in the harvesting unit to the rear side of the machine body and discharges it from the rear side;
A storage tank capable of storing the harvested product discharged from the conveying end of the feeder;
A driving unit including a driving seat located on the front side of the storage tank;
A corn harvesting machine in which a front window portion that constitutes a front-facing surface of the storage tank is formed with a see-through window portion that can be seen through from the front side.   The corn harvester according to claim 1, wherein the see-through window part is formed at an end of either the left or right side of the front side wall part.   The corn harvesting machine according to claim 1 or 2, wherein the see-through window part is formed only on an upper part of the front side wall part.   The storage tank is configured to be able to change its posture between a standing posture and a lying posture by swinging up and down around a swing axis along the longitudinal direction of the traveling vehicle body, and can store the harvested product in the standing posture. The harvested product stored in the lying posture can be discharged to the lateral side of the traveling vehicle body, and the see-through window is provided at the end of the storage tank on the discharge direction side. The corn harvester according to any one of claims 1 to 3.   The storage tank is formed in an inclined wall in which the lateral side wall at the end on the discharge direction side protrudes laterally toward the upper side in the standing posture, and the lateral side wall and the front side wall are The corn harvester according to claim 4, wherein the see-through window portion is formed in the vicinity of a corner portion formed by an edge of the intersecting portion and an upper end edge of the front side wall portion.   The operation part is provided with an operation cabin, the storage tank is provided to protrude laterally from the operation cabin on the discharge direction side, and the transparent window part protrudes laterally from the operation cabin. The corn harvester according to claim 4 or 5, which is formed at a location.   The operation section is provided with an operation cabin, and a boarding / alighting step for getting into and out of the operation cabin is provided on the same lateral side as the harvested discharge direction of the storage tank. The corn harvesting machine according to item.   The driving unit step that can be transferred from the driving cabin and the boarding / alighting step is provided on the lateral side of the driving cabin on the same lateral side as the side on which the boarding / alighting step is provided. 7. The corn harvester according to 7.   The corn harvester according to claim 8, wherein a work deck is provided on the rear side of the driving unit step on the same lateral side as the side on which the boarding / alighting step is provided.   The corn harvester according to any one of claims 4 to 9, wherein the operation portion is provided with an operation cabin, and a rear window that can be seen from the rear side is formed on a rear wall portion of the operation cabin.   The corn harvester according to claim 10, wherein the rear window is provided at a position higher than the storage tank in the standing posture.   The operation part is provided with an operation cabin, and the operation cabin has a part of the side wall part on the side wall part on the same side as the side where the transparent window part provided on the discharge direction side of the storage tank exists. The corn harvester as described in any one of Claims 4-11 in which the side part window which can be opened and closed is formed.   The driving section is provided with a driving cabin, and the driving cabin has a side that is visible from the driving seat on the lateral outer side on the same side as the side where the see-through window provided on the discharge direction side of the storage tank exists. The corn harvester according to any one of claims 4 to 12, wherein a mirror is provided.   The operation part is provided with an operation cabin, The operation part of the expansion-contraction cylinder which makes the storage tank rock up and down is provided in the rear wall part of the operation cabin. Corn harvester.   The corn harvester according to claim 14, wherein the operation unit is provided on a rear wall portion of the operation cabin and is provided close to a side on which the step for getting on and off is provided.   The corn harvester according to claim 15, wherein the operation portion is provided at an end portion of a rear wall portion of the operation cabin.   The corn harvester according to any one of claims 14 to 16, wherein the operation unit is provided on a support column provided at an end of a rear wall of the operation cabin. A working deck is provided on the rear side of the operation cabin on the same lateral side as the direction of harvesting of the storage tank,
The operation portion is provided on a rear wall portion of the driving cabin on the same side as the side on which the work deck is provided,
The door for opening and closing the doorway of the operation cabin is provided on the same side as the side on which the work deck is provided, and this door is provided so that the rear side opens and closes with the front side of the doorway being a swing fulcrum. The corn harvester as described in any one of 14-17.   The corn according to any one of claims 14 to 18, wherein the operation unit includes an operation switch that can be operated so that the expansion / contraction cylinder expands / contracts to a side where the storage tank stands and a side where the storage tank stands. Harvester.   The operation switch is provided with push operation portions at two upper and lower portions, a push operation portion for operating the telescopic cylinder to the fall side of the storage tank is disposed on the upper side, and the telescopic cylinder is operated to the standing side of the storage tank. The corn harvester according to claim 19, wherein the push operation part is disposed on the lower side.

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