JP2017099313A - Harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a harvester arranging an engine and a battery compactly and capable of facilitating maintenance.SOLUTION: A harvester 1 includes: a machine body frame 30 fixed on a crawler type travel device 10; a reaping device such as a crop divider 2 and base cutter 3 arranged in a front part of the machine body frame 30; a front conveyance device 4 and rear conveyance device 5 extended from a front lower part of the machine body frame 30 to a rear upper part. The harvester includes: an engine room 21 serving as a first storage part on the machine body frame 30 in an upper part of the front conveyance device 4; a battery room 24 serving as a second storage part separated from the engine room 21 in a lower part on right/left one side of the engine room 21. An engine 50 is stored in the engine room 21, a 24 volt battery 26 and 12 volt battery 27 are stored in the battery room 24, and right/left one side of the engine room 21 and battery room 24 is opened and can be opened/closed by a single door 25.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a harvester, and more particularly, to an arrangement configuration of an engine, a battery, and a transfer device arranged on a body frame of the harvester.

Conventionally, in a sugarcane harvester equipped with a divider, a mowing device, a transport device, a chopping device (chopping device), an air sorting device, etc. on a crawler type traveling device, an engine is provided in an empty space below the transport device and the chopping device. A sugarcane harvesting machine in which is arranged is known (see, for example, Patent Document 1).
In addition, a technique in which an engine is arranged above a transport device of a sugarcane harvester is also known (see, for example, Patent Document 2).

Japanese Patent No. 3725529 Japanese Utility Model Publication No. 6-84811

However, in the case of the technique disclosed in Patent Document 1, the transport device is arranged so as to be inclined rearward and upward at a steep angle from the cabin lower side when viewed from the side, and the position of the blower is increased, and the sugar cane harvester is moved or transported. In addition, the upper part sometimes hit an obstacle, and the weight balance was also deteriorated. In addition, dust generated in the transfer device is likely to be applied to the engine disposed below, the air cleaner suction portion needs to be frequently cleaned, and it is necessary to have a configuration in which dust does not easily enter.
Further, in the case of the technique in Patent Document 2, the engine is arranged above the transfer device, but the arrangement of the battery is not disclosed, and the arrangement of other parts related to the engine is not disclosed, and the electric system There has been a demand for a structure that enables efficient operation and maintenance.
In view of this, an attempt is made to provide a harvesting machine that is easy to maintain and can improve the weight balance and the like, while devising the arrangement of the engine and the devices and parts related to the engine to make the arrangement compact.

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.
That is, in claim 1, the body frame is fixed on the traveling device, the cutting device is disposed at the front portion of the body frame, and the conveyance device is extended from the front lower portion to the rear upper portion of the body frame. In the harvesting machine, a first storage unit is provided in a body frame above the transfer device, and a second storage unit that is isolated from the first storage unit is provided at a lower portion on one side of the first storage unit. The engine is housed in one housing portion, the battery is housed in the second housing portion, and the left and right sides of the first housing portion and the second housing portion are opened and can be opened and closed by a single door. Is.

  According to a second aspect of the present invention, the engine is disposed horizontally in the left-right direction, an alternator and a radiator are disposed on the left and right sides of the engine, and a battery is disposed below the radiator.

  According to a third aspect of the present invention, a fuel tank is disposed below the first storage portion on the left and right sides of the engine, and a hydraulic oil tank is disposed behind the second storage portion.

As effects of the present invention, the following effects can be obtained.
In other words, the maintenance of the device and the battery related to the engine can be easily performed by opening only one door, and the weight balance between the left and right can be improved.

The side view which showed the whole structure of the sugarcane harvesting machine. The top view which showed the whole structure of the sugarcane harvesting machine. The perspective view of a body frame. The side view of a body frame. The front view of an engine mounting part. FIG. 3 is a side view showing the installation / removal of a cabin by arranging an engine, a battery, and a transport device on a machine frame. The side view of an engine room and a battery chamber. The top view which has arrange | positioned the engine and the muffler on the body frame. The side view which shows arrangement | positioning of a fuel tank, a hydraulic motor, and an oil cooler. The perspective view which shows the state which has arrange | positioned the muffler on the engine room.

First, the whole structure of the Example which used the sugarcane harvester 1 as the harvester is demonstrated from FIG. 1, FIG. In the description, the front-rear direction is defined with the F direction as the front.
The sugarcane harvesting machine 1 supports a body frame 30 on a crawler type traveling device 10 as a traveling device, and a pair of left and right crop dividers 2 are disposed in front of the body frame 30 via a lifting link mechanism 12. The traveling device may be a wheel type. The crop divider 2 is rotatably supported by a pair of left and right augers 2b and 2b disposed substantially parallel to the weed frame 2a at the front portion of the weed frame 2a which is disposed to be inclined backward. It is made to drive by the hydraulic motor 2c provided in the upper part. In this way, it is pulled into the plane while causing sugarcane.

The elevating link mechanism 12 is supported so that the upper link 12a and the lower link 12b are vertically rotatable between a cutting portion mounting frame 34 provided at the front end of the body frame 30 and the weeding frame 2a. A hydraulic cylinder 12c is interposed between the cutting part mounting frame 34 and the lower link 12b, and the crop divider 2 can be raised and lowered by driving the hydraulic cylinder 12c to extend and contract.
Moreover, the top cutter 17 protrudes ahead from the upper part of the cutting part attachment frame 34, and arrange | positions the upper part of sugarcane so that cutting is possible. The top cutter 17 can be moved up and down by a hydraulic cylinder (not shown).

  Behind the crop divider 2, a take-in rotor 13, a base cutter 3, and a front transport device 4 are supported by a front transport frame 14. A pair of left and right front transport frames 14 are provided, and a rear portion thereof is pivotally supported by a machine frame 30 at a front end position of a rear transport device 5 described later so as to be rotatable up and down. A hydraulic cylinder is interposed between the front portion of the front conveying frame 14 and the body frame 30 so that the height of the base cutter 3 and the take-in rotor 13 can be adjusted by extending and contracting the hydraulic cylinder.

The base cutter 3 is fixed to the outer periphery of the left and right support cylinders 3a and 3a that hang downward from the front portion of the front conveyance frame 14 and the support disk fixed to the lower ends of the support cylinders 3a and 3a. Of the cutting blades 3b, 3b..., A rod-shaped spiral 3c, 3c fixed on the support disk, and a hydraulic motor that rotationally drives the cutting blade 3b and the spiral 3c.
The scraping rotor 13 is composed of a rotation shaft that has an axial center in the left-right direction at the front ends of the left and right front transport frames 14 and is rotatably supported, and a blade body fixed on the rotation shaft. The rotation shaft is rotationally driven by a hydraulic motor.

  The front conveying device 4 has an axial center in the left-right direction, and a plurality of pairs of upper and lower feed rollers 4a, 4a are arranged in the front-rear direction. The upper roller shaft is supported by a chain so as to be able to transmit power, and the lower roller shaft is configured so as to be able to transmit power by a gear, and each is connected to a hydraulic motor.

  In this way, the sugar cane is scraped by the rotation of the scraping rotor 13, the stock is cut by the rotation of the cutting blades 3b and 3b of the base cutter 3, and at the same time, the lower end (root) of the hook is rotated by the rotation of the spirals 3c and 3c. Is thrown up. The sugarcane that has been bounced up is drawn from the base into the front conveying device 4 disposed immediately after that, and is sent obliquely rearward and upward by the feed rollers 4 a, 4 a... Of the front conveying device 4.

  The rear part of the front conveying device 4 is located at the front lower part of the rear conveying device 5. The post-conveying device 5 is composed of a roller-type conveyor that feeds the upper side and the lower side at an appropriate interval to the rear. Thus, the sugarcane cut by the base cutter 3 is sent rearward by the front conveying device 4, inherited by the rear conveying device 5, and conveyed obliquely rearward and upward.

  A chopping device 6 is disposed at the rear of the rear conveying device 5. The chopping device 6 includes a cutter and a jump roller. The cutter has a blade blade fixed on a pair of upper and lower cutter shafts having an axial center in the left-right direction, and is chopped when the sugar cane passes between the upper and lower blade blades rotating. The jumping roller fixes a jumping blade on a rotating shaft having a pair of upper and lower left and right axial centers, and is disposed above the cutter. And by rotating the upper and lower shafts in directions opposite to each other, the chopped sugar cane is forced to jump up and backward. A diffusion rotor is disposed at the rear of the spring-out roller. The diffusion rotor allows sugarcane stems and leaves after being shredded to diffuse upward. In addition, it can also be set as the structure directly thrown into the wind selection apparatus 7 mentioned later, after cut | disconnecting with a cutter, without providing a jump roller and a spreading | diffusion rotor.

  The wind selection device 7 includes a blower case 7a provided at the upper rear portion of the chopping device 6 and a blower 7b accommodated in the blower case 7a. The lower and upper sides of the blower case 7a are opened, the lower part of the blower case 7a is communicated with the chopping device 6, and the upper side serves as a discharge port for leaves and dust. The blower case 7a can be rotated about the vertical axis, and the discharge direction can be changed. The blower 7b is housed in the blower case 7a with the vertical direction as the axis, and by rotating the blower 7b, a high-speed air flow from the bottom to the top is generated and diffused by the rotation of the diffusion rotor. The leaves and dust are sucked upward so that they can be discharged to the side or rear, and the heavy stem falls onto a hopper 18 provided at the lower part of the lower discharge conveyor 8.

  The lower part of the discharge conveyor 8 is supported on a swivel base 20 provided at the rear part of the machine body frame 30, and the swivel base 20 is supported so as to be rotatable left and right about the vertical direction. The discharge conveyor 8 is rotated left and right to change the discharge direction. However, in this embodiment, the discharge conveyor 8 is attached to the rear part of the machine body frame 30, but a storage bag can be attached to the rear part of the machine body frame 30 to store the falling sugar cane.

  As shown in FIGS. 3 and 4, the body frame 30 includes a main frame 31 formed in a frame shape, and a lower frame that is disposed in parallel below the main frame 31 and to which the crawler traveling device 10 is attached. 32, an upper frame 33 arranged in parallel above the main frame 31, a cutting portion mounting frame 34 attached to the front ends of the main frame 31 and the upper frame 33, and the like.

  The swivel base 20 is attached to the rear portion of the lower frame 32. Support frames 35 and 35 for attaching the rear transport device 5 to the rear portions of the main frame 31 and the upper frame 33 and the front portions of the lower frame 32 are fixed so as to be inclined forwardly.

  The mowing portion mounting frame 34 is fixed to the left and right front ends of the front ends of the main frame 31 and the upper frame 33 with a pair of right and left inclined so that the front portion is lowered, and the lifting link is disposed above the mowing portion mounting frame 34. The rear portion of the upper link 12 a of the mechanism 12 is pivotally supported, the rear portion of the lower link 12 b is pivotally supported at the lower portion of the cutting portion mounting frame 34, and the crop divider 2 is attached to the front portion of the elevating link mechanism 12. Further, a base portion of the top cutter 17 is further mounted on the upper portion of the cutting portion mounting frame 34.

  The front part of the upper frame 33 is a steering part mounting frame 33a for mounting the steering part 9, and the rear part of the upper frame 33 is an engine mounting frame 33b. The control unit 9 includes a driver's seat 40, a steering handle, a dashboard, a control arm, and the like. The control unit 9 is covered with a cabin 19. The cabin 19 is configured to be detachable with respect to the control unit 9, and when transported, the cabin 19 can be removed so that the overall height can be lowered, and further, the wind sorting device 7 and the discharge conveyor 8 can be removed and stored in the transport container. I am doing so. In this way, transportation is facilitated.

  In order to mount the control unit 9, as shown in FIG. 3, mounting brackets 36a are erected on the left and right upper portions of the control unit mounting frame 33a, and cylindrical anti-vibration members are provided on the left and right of the mounting bracket 36a. The rear lower part of the cabin 19 is fixed via the shaft. Further, pivotal support portions 36b and 36b are formed on the left and right of the front portion of the control portion mounting frame 33a, and the front lower portion of the cabin 19 is freely rotatable by a support shaft disposed in the left and right direction via a cylindrical vibration isolating member. Is pivotally supported.

  Thus, as shown in FIG. 6, by removing the shaft member at the lower rear portion of the cabin 19, the cabin 19 can be rotated forward by a predetermined angle about the support shaft at the lower front portion. By rotating the cabin 19 forward, the front of the engine 50 can be opened, and maintenance of the engine 50 can be facilitated. However, a door is provided in front of the engine room 21, and the cabin 19 is rotated forward to open the door for maintenance. Furthermore, by removing the support shaft at the lower front, the cabin 19 can be removed, and further, with the wind separator 7 and the discharge conveyor 8 removed, the overall height of the sugar cane harvester 1 can be reduced, It can be stored in a shipping container. When the cabin 19 is removed, the air conditioner, audio, wiper, and the like remain attached to the cabin 19, and the driver's seat 40, the steering handle, and the like remain attached to the control unit 9.

  As shown in FIGS. 1 to 6, the front portions of the front transfer device 4 and the rear transfer device 5 are disposed in a space surrounded by the upper frame 33 and the left and right main frames 31. That is, the main frame 31 and the upper frame 33 are formed in an inverted U shape when viewed from the front, and the front portions of the front transfer device 4 and the rear transfer device 5 are disposed in the internal space. In other words, the front conveyance device 4 is disposed below the control unit 9 and the engine 50.

  As shown in FIGS. 3 and 4, subframes 38 and 38 are erected on both the left and right sides of the rear portion of the main frame 31, and support frames 35 and 35 are lowered to the front inside the subframes 38 and 38. The rear conveying device 5 is fixed to the support frames 35 and 35. Thus, the rear conveying device 5 extends obliquely upward from the rear lower side of the engine 50 to the rear upper side. The sugarcane after cutting is conveyed rearward and upward.

The middle part of the upper frame 33 is an engine mounting frame 33b, and mounting brackets 37, 37,... Are fixed to the front, rear, left, and right of the engine mounting frame 33b, and vibration isolation is provided on the mounting brackets 37, 37,. The engine 50 is attached via the member.
As shown in FIGS. 5, 6, and 7, the engine 50 is installed horizontally on the engine mounting frame 33b of the upper frame 33 so that the crankshaft 51 faces in the left-right direction. The engine 50 is housed in the engine room 21 serving as a first housing portion on the engine mounting frame 33b. The engine room 21 is arranged in the left-right direction in the middle of the upper frame 33 and between the front cabin 19 and the rear rear transfer device 5.

  As shown in FIG. 7, an output pulley 52 and a cooling fan 53 are fixed to one end of the crankshaft 51 of the engine 50 (the left side in the traveling direction in this embodiment), and a relay pulley 54 is provided below the output pulley 52. A drive pulley 56 of a 24-volt alternator (generator) 55 is arranged in front of the output pulley 52, and a belt 57 is wound around the drive pulley 56, the relay pulley 54, and the output pulley 52, so that the power is To be communicated.

  The relay pulley 54 has a pulley groove on which three belts can be wound. A drive pulley 59 of a 12-volt alternator (generator) 58 is disposed behind the relay pulley 54 and is driven via the belt 60. The A driving pulley 62 of the compressor 61 is disposed in front of the relay pulley 54 and is driven via a belt 63.

  As described above, the drive pulley 59 of the 12-volt alternator 58 and the drive pulley 62 of the compressor 61 are disposed at positions symmetrical with respect to the crankshaft 51 in a side view so that the balance of force in the pulling direction is not deteriorated. I have to.

  Further, as shown in FIG. 5, an intercooler 64 is disposed on the left side in the traveling direction of the cooling fan 53, and a radiator 65 is disposed on the left side of the intercooler 64. Note that the engine cooling method of the present embodiment is a discharge type, and after cooling air is sucked from an opening on the right side or the front side of the engine 50 and the intercooler 64 and the radiator 65 on the left side of the engine 50 are cooled, the left side It is configured to exhaust air.

  The intercooler 64 is a heat exchanger that cools air that has been heated by compression of a turbocharger attached to the engine 50. A screen is disposed on the engine side of the intercooler 64 so that dust and the like can be removed. I have to. A shroud is provided from the outer periphery of the radiator 65 to the right so that the cooling air from the cooling fan 53 can be efficiently sucked, and the shroud extends so as to cover the outer periphery of the cooling fan 53. As shown in FIG. 10, an opening 22 is provided on the upper surface of the shroud and the engine room 21. The opening 22 is opened to a size that allows the screen to be taken out, and is disposed on the side surface of the radiator 65. It is formed as a cleaning port for cleaning the net. In the net cleaning method, compressed air is blown out from the nozzle to blow off dust and the like. The opening 22 is normally covered with a lid so that it can be easily attached and detached for maintenance or the like.

  Below the intercooler 64 and the radiator 65, a battery chamber 24 serving as a second storage portion is provided, and is formed in the lower left portion of the engine room 21. The battery chamber 24 is formed on the left side of the rear portion of the front transfer device 4 and between the upper frame 33 and the main frame 31. As shown in FIG. 3, a partition plate 75 is provided on the left lower surface of the upper frame 33, and the engine room 21 and the battery chamber 24 are isolated by the partition plate 75. By configuring in this way, warm air in the engine room 21 does not enter the battery chamber 24, and heat dissipation from the 24 volt battery 26 and the 12 volt battery 27 is prevented or prevented from being heated.

  On the main frame 31 in the battery chamber 24, a 24-volt battery 26 and a 12-volt battery 27 are placed back and forth and stored. A 24 volt battery 26 is disposed below the 24 volt alternator 55, a 12 volt battery 27 is disposed below the 12 volt alternator 58, and the wiring is shortened so that parts related to the power source are made as much as possible. It is concentrated on the left side. The 24-volt battery 26 supplies power to a cell motor that starts the engine, and the 12-volt battery 27 can supply power to electrical components such as an air conditioner, an electric light, and a control device.

  The engine room 21 and the battery room 24 are open on the left (outside) and are separated from each other. The open sides of the engine room 21 and the battery room 24 can be covered with a mesh door 25 (FIGS. 1 and 8) through which air can flow. That is, the door 25 is configured to be rotatable by providing hinges on the upper and lower sides of the rear part so that the left side surfaces of the engine room 21 and the battery chamber 24 can be opened and closed. However, it can also be configured with double doors by two doors.

  As described above, the airframe frame 30 is fixed on the crawler type traveling device 10, the cutting device such as the crop divider 2 and the base cutter 3 is disposed at the front portion of the airframe frame 30, and the front lower portion of the airframe frame 30. In the sugarcane harvesting machine 1 in which the front conveying device 4 and the rear conveying device 5 are extended as conveying devices from the rear upper part to the rear upper part, an engine room 21 serving as a first storage portion is provided in the machine frame 30 above the front conveying device 4, A battery chamber 24 serving as a second storage part isolated from the engine room 21 is provided at a lower portion on the left and right sides of the engine room 21, and the engine 50 is stored in the engine room 21. A 24-volt battery 26 and a 12-volt battery 27 are accommodated, and the left and right sides of the engine room 21 and the battery chamber 24 are opened and Since the door 25 can be opened and closed, by opening the single door 25, a cooling device such as a radiator 65, a 24-volt battery 26, and a 12-volt battery 27 is maintained as a device related to the engine from the side. Can be easily done.

  The engine 50 is disposed horizontally in the left-right direction, and a 24-volt alternator 55, a 12-volt alternator 58, and a radiator 65 are disposed on the left and right sides of the engine 50, and a 24-volt battery is disposed below the radiator 65. Since the 26 and 12 volt batteries 27 are disposed, the charging current efficiently flows from the 24 volt alternator 55 and the 12 volt alternator 58 from the 24 volt battery 26 and the 12 volt battery 27, and the wiring can be shortened and not complicated.

  As shown in FIGS. 1 and 8, an air cleaner 76 is disposed in front of the radiator 65, and a pre-cleaner 77 is disposed above the air cleaner 76. The upper end of the precleaner 77 is disposed lower than the upper end of the cabin 19, and the air cleaner 76 and the precleaner 77 are disposed between the cabin 19 and the engine 50. One end of the air cleaner 76 communicates with the pre-cleaner 77, and the other end of the air cleaner 76 communicates with the intake side of the engine supercharger. In such an arrangement, dust is hardly generated and air is sucked and supplied to the engine 50 at a position where it is difficult to reach a high temperature.

  As shown in FIGS. 5, 8, and 9, hydraulic pumps 66, 66, and 66 are disposed on the right side in the traveling direction of the engine 50, and are driven by being connected to an output shaft that protrudes from the right side of the engine 50. The A plurality of hydraulic pumps 66 are arranged and driven in parallel, and driven by pressure oil being fed from the face hydraulic pump 66 to a hydraulic motor for driving or conveying, a hydraulic cylinder for moving up and down a cutting unit or a conveyor, and the like. I can do it.

  The hydraulic pump 66 is disposed in the right side of the engine room 21, and the right side of the engine room 21 is covered with a mesh door 68 (FIG. 10) and can be opened and closed. By opening the door 68, maintenance of hydraulic equipment such as the hydraulic pump 66, its driving unit, and oil filter is enabled.

  As shown in FIGS. 5 and 10, a stepped portion 21a that is recessed to the lower left is formed in the upper right portion of the engine room 21 so that the axis of the muffler 70 faces in the front-rear direction in the space of the stepped portion 21a. Is arranged. The muffler 70 is covered with a muffler cover 71 and arranged separately from the engine room 21. In this way, the heat from the muffler 70 cannot be easily sucked into the engine room 21 by the suction force of the cooling fan 53. A hydraulic pump 66 is disposed below the muffler 70, and a fuel tank 67 is disposed below the engine room 21 that houses the hydraulic pump 66. Thus, the muffler 70 is arranged as high as possible so that it is difficult for an operator or the like to touch it, keep away from the dust that soars, and does not adversely affect the surroundings.

  As shown in FIGS. 2 and 10, there is no aircraft in front of the muffler 70. That is, the cabin 19 is disposed at the center of the left and right sides of the front of the machine body, and the width of the cabin 19 is slightly wider than that of the front conveying device 4. The left end of the cabin 19 is disposed inside the radiator 65, the 24 volt battery 26, and the 12 volt battery 27. The front and rear of the muffler cover 71 are opened or provided with openings with nets, and when the sugarcane harvesting machine 1 is run, air passes through the muffler cover 71 and does not collect heat. Thus, the muffler 70 is cooled. Similarly, the front of the hydraulic pump 66 is cooled so that air passes therethrough.

  Further, as shown in FIG. 10, a condenser cooling fan 72 disposed at the rear portion of the cabin 19 is disposed obliquely forward of the muffler 70, and the engine room 21 between the fan 72 and the muffler 70 is disposed on the engine room 21. Is provided with a guide plate 78. Thus, the wind from the fan 72 is guided into the muffler cover 71 so that the muffler 70 can be cooled.

  As described above, in the sugarcane harvesting machine 1 in which the machine frame 30 is fixed on the crawler type traveling device 10 and the engine 50 is mounted on the front and rear halfway of the machine frame 30, the engine room 21 that houses the engine 50. A stepped portion 21a is formed on one side of the left and right sides of the engine room 21. A muffler 70 is placed and fixed on the stepped portion 21a. , Dust becomes difficult to reach. Moreover, the vacant space can be used effectively.

  The muffler 70 is covered with a muffler cover 71. The muffler cover 71 is disposed so as to cover at least the upper side and the side of the stepped portion 21a, and the air flows in the front-rear direction. However, the muffler cover 71 may be configured to cover the entire muffler 70 with a dustproof cover formed of a net or the like. With this configuration, wind flows in the front-rear direction when the vehicle is traveling, and the muffler 70 can be easily cooled.

In addition, an air conditioner is attached to the cabin 19 disposed on the front portion of the body frame, and a condenser (heat exchanger) serving as an outdoor unit in the air conditioner is disposed on the upper right portion of the rear surface of the cabin 19. Has been. The condenser is cooled by the rotation of the fan 72, and the air blown from the fan 72 is discharged backward. Between the fan 72 and the front portion of the muffler cover 71, a guide plate 78 for guiding the wind from the fan 72 toward the muffler 70 is provided. The guide plate 78 is attached on the upper plate constituting the engine room 21, on the front plate, or on the rear plate of the cabin 19. However, the cooling air can be guided by a cylinder instead of the guide plate 78, and the shape is not limited.
As described above, since the guide plate 78 that guides the wind to the muffler 70 is provided between the fan 72 of the air conditioner and the muffler cover 71, the fan 72 can be operated when the air conditioner is operated even when the airframe is stopped. The muffler 70 can be cooled by the wind from the air, and it can be prevented from becoming high temperature.

  A fuel tank 67 is disposed below the hydraulic pump 66 disposed in the engine room 21 below the muffler 70 via a partition plate. The fuel tank 67 is placed on a tank frame 39 projecting laterally from the main frame 31 and covered with a tank cover 69. The fuel tank 67 includes a front tank 67a and a rear tank 67b, and has a large capacity. The lower portions of the front tank 67a and the rear tank 67b are communicated with each other. The front tank 67a is configured to protrude forward from the front end of the engine room 21, and an oil supply port is provided in the protrusion to facilitate oil supply. Fuel is supplied from the fuel tank 67 to the engine 50.

  As shown in FIG. 8, an oil cooler 73 is disposed behind the fuel tank 67 and the hydraulic pump 66, and is disposed in the middle of the hydraulic circuit to cool the hydraulic oil. As shown in FIGS. 1 and 8, a hydraulic oil tank 74 is arranged behind the battery chamber 24, and the hydraulic oil tank 74 is arranged on the opposite side of the oil cooler 73. Thus, the hydraulic oil is supplied from the hydraulic oil tank 74 to the hydraulic pump 66, and the hydraulic working machine is driven from the hydraulic pump 66, and then cooled by the oil cooler 73 and returned to the hydraulic oil tank 74.

The hydraulic oil tank 74 and the fuel tank 67 are distributed to the left and right so that the weight of the fuel in the fuel tank 67 and the weight of the hydraulic oil stored in the hydraulic oil tank 74 are balanced on the left and right. Yes.
As described above, the hydraulic oil tank 74 is disposed behind the battery chamber 24 serving as the second storage portion on the left and right sides of the engine 50, and the fuel is disposed below the engine room 21 serving as the first storage portion on the left and right sides. Since the tank 67 is disposed, the left and right weight balance is improved and stable running is possible.

DESCRIPTION OF SYMBOLS 1 Sugarcane harvesting machine 2 Crop divider 3 Base cutter 4 Front conveyance apparatus 5 Rear conveyance apparatus 10 Crawler type traveling apparatus 21 First storage part (engine room)
24 Second storage (battery chamber)
25 Door 26/27 Battery 30 Airframe Frame 50 Engine

Claims (3)

  In a harvesting machine in which an airframe frame is fixed on a traveling device, a cutting device is disposed at a front portion of the airframe frame, and a conveying device is extended from a front lower portion to a rear upper portion of the airframe frame, A first storage unit is provided in the body frame, and a second storage unit that is isolated from the first storage unit is provided at a lower portion on one side of the first storage unit, and the engine is stored in the first storage unit. A harvesting machine, wherein a battery is stored in the second storage unit, and the left and right sides of the first storage unit and the second storage unit are opened and can be opened and closed by a single door.   The harvesting machine according to claim 1, wherein the engine is disposed horizontally in the left-right direction, an alternator and a radiator are disposed on one side of the engine, and a battery is disposed below the radiator. The harvester according to claim 1 or 2, wherein a fuel tank is disposed below the first storage part on the left and right other sides of the engine, and a hydraulic oil tank is disposed behind the second storage part. .

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