JP5104699B2 - Combine - Google Patents

Description

  The present invention relates to a combine.

  Conventionally, a combine is provided with a grain storage device provided with a threshing device and a grain discharging device arranged side by side on a vehicle body provided with a traveling device, and a reaping device is provided in front of the threshing device so as to be movable up and down. An engine for driving these devices is mounted on the front side or the rear side of the storage device.

  On the other hand, in the field of automobiles and construction machinery, for the purpose of environmental protection, the driving and working parts are being electrified for the purpose of reducing the amount of gas (such as carbon dioxide) emitted from the engine.

  In the automotive field, during deceleration operation during high speed running, this running energy is converted into electrical energy and stored in a battery. When starting and running at low speed, the electric motor is operated with this power while the engine is stopped. The mainstream is a configuration in which the engine is driven to start the engine during high-speed driving.

  In the construction machinery field, since the traveling speed is as low as that of agricultural machinery, it is not suitable for converting traveling energy into electrical energy. Therefore, for example, in the backhoe, the power generated by the engine driving force is stored in the battery, and the electric motor is driven by this power to turn the machine base.

  And also in the agricultural machinery field, such hybridization is considered. For example, as disclosed in Patent Document 1, a generator is driven by an engine, and the generated power is stored in a battery. Attempts have been made to drive an electric motor to drive a working device such as a tilling rotary.

Moreover, as exemplified in Patent Document 2, a technique for driving a discharge spiral shaft of a grain discharge device provided in a grain storage device with a motor is known.
JP 2001-161104 A Japanese Utility Model Publication No. 63-53230

  In the technique disclosed in Patent Document 1, since the tilling rotary which is the main working device is driven by an electric motor, the electric motor must be constantly driven during the work, and a great amount of power is required. There is a disadvantage that the battery power is consumed quickly and the work continuation time is shortened. In addition, in a work machine such as this rotary, the load at the start of driving is the largest, and a large load is applied to the electric motor. Therefore, a high output electric motor is required, and the work duration time is shortened due to an increase in power consumption. There are drawbacks.

  And such a technique is employ | adopted for the technique disclosed by patent document 2, and it can be set as the structure which drives a grain discharge apparatus with an electric motor, However, only by having comprised in this way, the electric power storage of a battery is sufficient. When exhausted, the kernel cannot be discharged. In particular, in the combine work, if the grains stored in the grain storage device cannot be discharged, further cutting and threshing work cannot be continued, resulting in an inoperable state.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, the invention according to claim 1 is provided with a machine base (3) on the upper side of the traveling device (2), and provided with a threshing device (4) on one side of the left and right of the machine base (3). 3) A grain storage device (5) provided with a grain discharging device (5a) is provided on the left and right other side of 3), and a driving unit (6) provided with an engine (68) on the front side of the grain storage device (5) ), A steering part (7) is provided on the front side of the driving part (6), and a harvesting device (8) is provided on the front side of the steering part (7) and the threshing device (4). 68) is provided with a generator (101) that generates electric power using the driving force, and a storage battery (109) that stores electric power generated by the generator (101) is provided, and is driven by electric power stored in the storage battery (109). An electric motor (83) is provided, and the engine (68) is input via the discharge clutch (95). Of the force and the driving force of the electric motor (83) input without passing through the discharging clutch (95), the driving force on the side rotating at a higher speed than the other is output to the grain discharging device (5a) side. In the state where the transmission switching device (69) is provided and the grain discharging device (5a) is driven by the driving force of the electric motor (83), a decrease in the driving rotational speed of the grain discharging device (5a) is detected. In this case, the combine is characterized in that a control device (111) for automatically connecting the discharge clutch (95) is provided.

  In the invention according to claim 2, a decrease in the rotational speed of the grain discharging device (5a) is detected in a state where the grain discharging device (5a) is driven by the driving force of the electric motor (83). In this case, a control device (111) for automatically connecting the discharge clutch (95) and displaying the automatic connection state of the discharge clutch (95) on the monitor (121) is provided. This combine.

  According to the first aspect of the present invention, for example, in a harvesting operation in a farm field between residential areas, the grain discharging device (5a) can be driven by the electric motor (83) to perform the grain discharging operation. ) Can be saved, and the noise can be reduced by the engine and the atmosphere can be cleaned by reducing the exhaust gas. And when the drive rotation speed of a grain discharge apparatus (5a) falls during a grain discharge operation, the driving force of the engine (68) assists the drive of the grain discharge apparatus (5a), so that the grain is discharged. The speed does not decrease, the efficiency of the grain discharging operation can be increased, and the efficiency of the entire harvesting operation can be increased.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the operator can recognize that the discharge clutch (95) is automatically connected, and the storage battery (109) can be checked. By taking measures early, it is possible to maintain the efficiency of the grain discharging operation and increase the efficiency of the entire harvesting operation.

First, the fuselage structure of the combine will be described.
As shown in FIGS. 1 and 2, the combine body 1 is provided with a machine base 3 framed on the upper side of the left and right crawler type traveling devices 2, and a threshing device 4 is mounted on the left side of the machine base 3. The grain storage device 5 is mounted on the right side of the threshing device 4, the driving unit 6 is mounted on the front side of the grain storage device 5, and the control unit 7 is provided from the top to the front of the driving unit 6. A reaping device 8 is provided on the front side of the control unit 7 and the threshing device 4.

The configuration of the traveling device 2 will be described.
Support legs (not shown) are provided to extend downward from four places on the machine base 3 in the front, rear, left and right, and left and right wheel frames 9, 9 are attached to the lower ends of the support legs. A large number of wheels 10, 10 and tension wheels 11, 11 at the rear end are pivotally supported on the wheel frames 9, 9. Then, the crawlers 14 and 14 are wound around the left and right drive sprockets 13 and 13 driven by the transmission case 12 attached to the front portion of the machine base 3, the rolling wheels 10 and 10, and the tension wheels 11 and 11. The traveling device 2 is configured by hanging. The transmission power of the engine, which will be described later, is input to the transmission case 12 via a hydrostatic continuously variable transmission.

The configuration of the threshing device 4 will be described.
The threshing device 4 is provided with a feed chain 15 at the side, an upper handling chamber having a handle barrel (not shown) in a rotatable manner, a swing sorting shelf, a red pepper, a first transfer spiral, and a second transfer spiral. It consists of a lower sorting room equipped with etc. The threshing device 4 is configured to be driven by the driving force of an engine described later.

In addition, on the rear side of the threshing device 4, a slaughtering cutter 16 for cutting the slaughtered slag and discharging it to the field is mounted.
The configuration of the reaping device 8 will be described.

  The reaping device 8 pivotally supports the upper end portion of the vertical support frame 17 on the upper portion of a suspension base (not shown) attached to the front portion of the machine base 3 so that the vertical support frame 17 can be pivoted up and down. The middle part of the directional cutting gear case 18 is attached. A weed pipe 19 is extended forward from the front portion of the cutting gear case 18, and a weed plate 20 for weeding planted cereals is attached to the front end of the weed pipe 19. A pulling device 21 is provided in an inclined posture that rises rearward from the rear side of the weed board 20, and a scraping device that scrapes the planted cereal from the lower rear side of the pulling device 21 toward the rear, There is provided a stock transport device that sandwiches the stock side and transports it backward, and a stock tip transport device that locks the stock side of the harvested cereal meal and transports it backward (both not shown). A cutting blade device 22 is supported by the weed pipe 19 below the starting end of the stock transporter. The reaping device 8 is configured to be driven by a driving force of an engine described later.

The configuration of the control unit 7 will be described.
The control unit 7 raises the front operation post 24 from the front part of the step frame 23 mounted on the right side of the front end part of the machine base 3, and faces rearward from the end of the front operation post 24 on the side closer to the center of the machine body. A side operation panel 25 is provided and configured. The front operation post 24 is provided with a monitor panel 26 in the center, a handrest 27 on the right side of the monitor panel 26, and a switch panel 28 on the left side of the monitor panel 26. Install the device 29. On the front side of the handrest 27, a steering lever 30 is installed to raise and lower the reaping device 8 by a tilting operation in the front-rear direction, and to disconnect the left and right side clutches in the mission case 12 by a tilting operation in the left-right direction. Further, the side operation panel 25 includes a main transmission lever 31 that performs a shift operation of a hydrostatic continuously variable transmission that is input to the mission case 12, and a sub transmission lever 32 that performs a shift operation of the sub transmission in the mission case 12. A reaping clutch lever 33 for turning on and off the driving of the reaping device 8, a threshing clutch lever 34 for turning on and off the threshing device 4, and a throttle lever 35 for opening and closing the throttle of the engine described above. Reference numeral 36 denotes a seat attached to an upper portion of an engine cover 37 that covers the engine.

Next, the structure of 5 parts of the said grain storage apparatus is demonstrated.
As shown in FIGS. 3, 4, and 8, the grain storage device 5 is formed in the housing, and the left and right bottom walls 38 and 39 are inclined, and the inclined troughs are arranged around the axis in the longitudinal direction of the machine body. A rotating bottom transfer spiral 40 is placed. The front end of the shaft of the bottom transfer spiral 40 is rotatably supported by a bearing 42 attached to the front wall 41 of the grain storage device 5, and further protrudes forward from the front wall 41. The driven side rotating body 43a provided with the engaging claw 43 is fixed. Further, the rear end portion of the shaft of the bottom transfer spiral 40 extends rearward through a hole formed in the rear wall 44 of the grain storage device 5, and the interior of the front cylinder 45 attached to the rear side surface of the rear wall 44. To place. In addition, the roof board (illustration omitted) formed in the cross-sectional hemispherical shape which receives the pressure by the stored grain is arrange | positioned above the said bottom part transfer spiral 40. FIG. From the gap between the left and right ends of the roof plate and the left and right bottom walls 38, 39, the grain flows into the bottom transfer spiral 40 side and is conveyed.

  Then, the lower takeover cylinder 46 is fixed on the right rear end of the machine base 3. The lower take-up cylinder 46 has an L-shaped refracted conveyance passage inside, and a take-up helix 48 having a longitudinal axis that can be connected to and separated from the bottom transfer helix 40 is rotatable in a bevel gear case. Bearing. A front end portion of the lower take-over cylinder 46 and a rear end portion of the front cylinder 45 on the grain storage device 5 side are pivotally supported by the lower longitudinal axis 47 so as to be rotatable outward of the machine body. Thereby, the lower pivot point of the grain storage device 5 is formed.

  Further, on the upper part of the lower take-up cylinder 46, a cereal cylinder 50 having a cereal helix 49 rotatably mounted therein is provided by being fitted around the axis of the cereal helix 49 so as to be rotatable in the vertical axis. . The lower end portion of the cereal helix 49 is supported by a bevel gear case in the lower take-up cylinder 46 and is linked to the take-up helix 48 and the bottom transfer helix 40 via the bevel gear case.

  Then, the work machine support frame 51 is raised from the rear end of the machine base 3, and a support part 52 having a cylindrical inner surface is provided at the upper end part of the work machine support frame 51. The upper part is held in a posture to freely rotate the vertical axis. The work machine support frame 51 is provided with a vertical axis 53 for rotatably supporting the waste cutter 16 to the outside of the machine body. A rotating electric motor 56 having an output gear 55 that meshes with a driven gear 54 provided on the outer periphery of the lower end of the cereal barrel 50 is attached to the lower part of the work machine support frame 51.

  The support portion 52 is integrally provided with a rotation support stay 57, and an upper vertical axis 58 fixed to the upper portion of the rear wall 44 of the grain storage device 5 is inserted into the hole of the rotation support stay 57 from above. Include. As a result, the lower vertical axis 47 and the upper vertical axis 58 are arranged on the same axis, and the upper and lower pivots of the grain storage device 5 are formed.

  Further, a rear end portion of a reinforcing frame 59 formed in an L shape in plan view is connected to the support portion 52, and the reinforcing frame 59 is extended forward to follow the side surface of the threshing device 4 on the inner side of the machine body. Arrange them. The front part of the reinforcing frame 59 is fixed to the threshing device 4 side, and the support rigidity of the whipping cylinder 50 and the grain storage device 5 is increased together with the work machine support frame 51. Further, an engaged portion 61 that engages with a hook 60 of a lock device that fixes the position of the grain storage device 5 to the machine body is integrally provided at the front end portion of the reinforcing frame 59. By releasing the hook 60 from the engaged portion 61, the grain storage device 5 can be pulled out to the outside of the machine body.

  Further, a discharge cylinder 63 having a discharge spiral 62 rotatably mounted therein is provided at the upper end portion of the cerealing cylinder 50 so as to be freely rotatable up and down via an upper take-up cylinder 64. A grain discharge port 65 is formed at the free end of the discharge cylinder 63. In addition, an electric cylinder 66 is provided between the upper portion of the cerealing cylinder 50 and the base of the discharge cylinder 63, and the discharge cylinder 63 is moved up and down by the expansion and contraction operation of the electric cylinder 66. Reference numeral 67 denotes a lifting electric motor for operating the electric cylinder 66.

The bottom discharging spiral 40, the cerealing spiral 49, and the discharging spiral 62 constitute a grain discharging device 5a.
Next, the configuration of the prime mover 6 will be described.

An engine 68 is mounted on the front right side of the machine base 3. The engine 68 is covered with an openable / closable engine cover 37.
As shown in FIGS. 3 and 4, a transmission gear case (transmission switching device) 69 is arranged in a space between the engine 68 and the grain storage device 5 inside the engine cover 37.

  As shown in FIG. 5, a first input shaft (input shaft) 71 in the horizontal direction of the machine body to which the input pulley 70 is fixed is rotatably supported by a bearing 72 on the outer surface portion of the transmission gear case 69. A first output shaft 75 driven from the first input shaft 71 via the first one-way clutch 73 is provided on the same axis as the first input shaft 71, and an end portion of the first output shaft 75 is provided. The first output gear 74 in the form of a bevel gear is fixed to the frame.

  In addition, a second input shaft 77 in the horizontal direction of the machine body is rotatably supported by a bearing 78 on the inner side surface of the transmission gear case 69 on the rear side of the machine body. A second output shaft 81 driven from the second input shaft 77 via the second one-way clutch 79 is provided on the same axis as the second input shaft 77, and an end portion of the second output shaft 81 is provided. The second output gear 80 in the form of a bevel gear is fixed to the base. A drive electric motor (electric motor) 83 provided with a transmission (speed-up transmission device or speed reduction transmission device) 82 is attached to the inner side surface of the transmission gear case 69 on the inner side of the machine body in a lateral orientation, and the drive electric motor The output shaft of the transmission 82 driven by 83 is attached to the second input shaft 77 by spline fitting. The horsepower required for driving the bottom conveyance transfer spiral 40 is generally about 10 horsepower, and the output of the driving electric motor 83 is about 10 horsepower or more.

  A rear portion of the output shaft 84 in the longitudinal direction of the machine body is rotatably supported by a bearing 85 on the rear side surface portion of the transmission gear case 69, and the front end portion of the output shaft 84 is bearing on the front side portion of the transmission gear case 69. The bearing is rotatably supported at 86. A bevel gear-shaped input gear 87 is fixed to an intermediate portion of the output shaft 84, and a drive-side engagement claw is provided at two radial positions on a rear end portion protruding rearward from the transmission gear case 69 of the output shaft 84. The drive side rotary body 89 provided with 88 is fixed. Thus, both the first output gear 74 fixed to the first output shaft 75 and the second output gear 80 fixed to the second output shaft 81 mesh with the input gear 87 provided on the output shaft 84. With the above configuration, the first one-way clutch 73 and the second one-way clutch 79 are operated to rotate at a higher speed than the other of the drive rotation speed from the engine 68 and the drive rotation speed from the drive electric motor 83. The drive-side rotator 89 is driven by the rotation on the opposite side.

  Further, as shown in FIGS. 3 and 4, a transmission belt 92 is provided across an input pulley 70 fixed to the first input shaft 71 and an output pulley 91 fixed to an output shaft 90 facing the outer side of the engine 68. A tension pulley 93 that winds and applies tension to the transmission belt 92 is provided to constitute a tension type discharge clutch 95. The discharge clutch 95 is connected so as to be turned on and off by an electric motor 96 (actual drawing omitted) for operating the discharge clutch.

  Further, as shown in FIG. 4, the first output pulley 98, the second output pulley 99, and the third output pulley 100 are fixed to the output shaft 97 facing the inner side of the engine 68. The first output pulley 98, the input pulley 102 of the generator 101 attached to the rear part of the engine 68 on the back side of the machine body, and the input pulley 125 of the cell motor 124 attached to the upper part of the engine 68 on the back side of the machine body. Then, the transmission belt 103 is wound around. Further, a transmission belt (not shown) having a tension type threshing clutch is wound around the second output pulley 99 and the input pulley on the threshing device 4 side, and the third output pulley 100 and the transmission case 12 are wound around the transmission pulley. A tension transmission belt 106 is wound around an input pulley 105 provided on an input shaft of a hydrostatic continuously variable transmission 104 for driving input.

  The transmission gear case 69 and the generator 101 are disposed in the cooling air passage of the engine 68 inside the engine cover 37, that is, in the engine room. Further, as shown in FIG. 6, in order to dissipate heat from the drive electric motor 83 attached to the transmission gear case 69, a large number of fins 83a may be provided on the outer periphery of the drive electric motor 83. The engine 68 is provided with a radiator 119 disposed inside the outer dust screen 120 and a cooling fan 118 driven by the engine 68. Although the diameter of the cooling fan 118 is smaller than that of the engine 68 main body, the wind sucked into the engine cover 37 by the cooling fan 118 inside the engine cover 37, the engine 68, the transmission gear case 69, and the drive electric motor 83. These transmission gear cases 69 and the driving electric motor 83 are cooled when they are blown through.

  With the above configuration, as shown in FIGS. 3 and 4, the grain storage device 5 is arranged at the harvesting work position on the machine base 3, and the hook 60 on the grain storage device 5 side is covered with the threshing device 4 side. In the state of being engaged with the engaging portion 61, the axis of the bottom transfer spiral 40 and the axis of the output shaft 84 of the transmission gear case 69 coincide with each other, and the driven side engaging claw 43 of the driven side rotating body 43a It meshes with the drive side engaging claw 88 of the drive side rotating body 89.

  Also, as shown in FIGS. 4 and 7, a cradle 108 is provided in the space 107 on the lower side of the bottom wall 39 on the right side of the grain storage device 5 on the machine base 3. A storage battery 109 that stores electric power generated by the generator 101 and supplies driving electric power to the electric motor 83 for driving is mounted. Three storage batteries 109 are mounted, one rear part is mounted on the rear side of the fuel tank 110, and the middle part and the front part are mounted on the front side of the fuel tank 110. Although not shown in the figure, the generator 101 and the storage battery 109 and the storage battery 109 and the drive electric motor 83 are connected with a weather supply power cable.

Therefore, the block circuit shown in FIG. 8 will be described.
On the input side of the controller (control device) 111, the engine drive type discharge switch 112, the motor drive type discharge switch 113, the drive source automatic switching type discharge switch 114, the storage battery 109, and the rotation of the output shaft 84 are provided. An output rotation speed detection sensor 122 for detecting the number is connected. The generator 101 is connected to the storage battery 109 via a charger 115 and a power generation regulator 116. Further, on the output side of the controller 111, an electric motor 96 for operating the discharge clutch 95, a motor drive circuit 117, a cell motor drive circuit 123, a monitor 121, and an engine stop circuit 126 are connected. To do. A driving electric motor 83 is connected to the motor driving circuit 117, and the driving electric motor 83 is driven via the motor driving circuit 117. In addition, a cell motor 124 is connected to the cell motor drive circuit 123 and the cell motor 124 is driven via the cell motor drive circuit 123. With this configuration, when the generator 101 is driven by the engine 68, the voltage, current amount, and frequency of the generated power generated by the generator 101 change due to fluctuations in the engine speed. After the adjustment to the range, the storage battery 109 can be charged by the charger 115. Further, the controller 111 is provided with voltage detection means for detecting the voltage of the storage battery 109 connected to the input side.

  With the above configuration, when the engine 68 is started, the generator 101 is driven by the driving force of the engine 68, and after the electric power generated by the generator 101 is adjusted by the power generation regulator 116, the battery 115 is charged from the charger 115. 109 is charged.

  Then, when the traveling device 2, the reaping device 8, the threshing device 4, and the rejecting cutter 16 are driven by the driving force of the engine 68, the harvested grain is transferred to the grain storage device 5. Stored. As a result, when the grain storage device 5 becomes full, the machine body 1 is brought close to a transport vehicle waiting on the side of the field and stopped, and the grain is discharged onto the platform of the transport vehicle.

  This grain discharging operation is performed by turning on and operating the engine-driven discharge switch 112 at the discretion of the operator when the charge amount of the storage battery 109 is insufficient or when the drive circuit of the drive electric motor 83 is broken. The discharge clutch 95 is engaged and operated by the operation of the electric motor 96. That is, in this case, the input pulley 70 is rotated by the engagement operation of the discharge clutch 95, the first output gear 74 is driven from the first input shaft 71 via the first one-way clutch 73, and the input gear 87 meshing with the first output gear 74 is driven. Is driven. The drive electric motor 83 remains stopped. At this time, the second output gear 80 is driven via the input gear 87. However, since the second one-way clutch 79 rotates idly, the second input shaft 77 on the drive electric motor 83 side is forcibly rotated. There is nothing. As a result, it is possible to prevent damage and failure of the drive electric motor 83 and the transmission 82 and to improve durability. Then, the output shaft 84 is rotated by driving the input gear 87, and the driven side rotating body 43a is driven from the driving side engaging claw 88 of the driving side rotating body 89 through the driven side engaging claw 43 engaged therewith. Then, the bottom transfer spiral 40 is driven, and the stored grains in the grain storage device 5 are discharged.

  Further, when the amount of charge of the storage battery 109 is sufficient, the motor-driven discharge switch 113 is turned on and operated by the operator's judgment, and the driving electric motor 83 is driven. That is, in this case, the second input shaft 77 is driven from the transmission 82 by the rotation of the driving electric motor 83, and the second output shaft 81 and the second input shaft 77 are driven from the second input shaft 77 via the second one-way clutch 79. The two-output gear 80 is driven, and the input gear 87 meshing with this is driven. The discharge clutch 95 remains disengaged and no engine driving force is input. At this time, the first output gear 74 is driven via the input gear 87. However, since the first one-way clutch 73 rotates idly, the first input shaft 71 on the input pulley 70 side is forcibly rotated. Absent. As a result, wear of the transmission belt 92 wound around the input pulley 70 can be prevented and durability can be improved. Then, the output shaft 84 is rotated by driving the input gear 87, and the driven side rotating body 43a is driven from the driving side engaging claw 88 of the driving side rotating body 89 through the driven side engaging claw 43 engaged therewith. Then, the bottom transfer spiral 40 is driven, and the stored grains in the grain storage device 5 are discharged. As a result, even when the field where the harvesting operation is performed is near the residential area, the discharging operation can be performed with the engine 68 stopped at least during the grain discharging operation, and the exhaust gas amount can be reduced and the engine noise can be reduced. The reduction can preserve the work environment and the surrounding living environment. When the grain discharging operation is performed by the driving force of the driving electric motor 83 as described above, the output rotational speed is maintained so that the rotational speed of the output shaft 84 of the transmission gear case 69 is maintained in the set rotational speed range. The output from the controller 111 to the motor drive circuit 117 is controlled according to the detection result of the detection sensor 122. The set rotation speed range of the output shaft 84 is set to be approximately equal to the rotation speed of the output shaft 84 that is driven when the discharge clutch 95 is connected while the engine 68 is driven at the rated rotation. .

  In addition, when the drive source automatic switching discharge switch 114 is turned on and operated, when the voltage of the storage battery 109 is determined by the controller 111 to determine that the voltage of the storage battery 109 is higher than the set voltage, the motor-driven discharge switch described above. As in the case of entering 113, the electric motor 96 does not operate, and the driving electric motor 83 is driven while the discharge clutch 95 is maintained in the disconnected state, and the grain discharging operation is performed.

  On the other hand, when it is determined that the voltage of the storage battery 109 is lower than the set voltage, the electric motor 96 is stopped while the drive electric motor 83 is stopped as in the case where the engine-driven discharge switch 112 is turned on. As a result of the operation, the discharging clutch 95 is connected and the grain discharging operation is performed. As a result, the operator can perform the discharge work without worrying about the state of charge of the storage battery 109, and the work efficiency is increased.

When the voltage detecting means detects that the voltage of the storage battery 109 has dropped below the set voltage while the discharging operation is being performed by the driving force of the driving electric motor 83, the driving electric motor 83 While maintaining the driving state or stopping the driving electric motor 83, the electric motor 96 is operated to connect the discharge clutch 95, and the grain discharging device 5 a is driven by the driving force of the engine 68. Thereby, even when the voltage of the storage battery 109 decreases during the grain discharging operation, the grain discharging operation can be continued without interruption, and the work efficiency can be improved. Further, which of the driving powers of the driving motor 83 and the engine 68 is driven by the grain discharging device 5a is displayed graphically on the monitor 121 by a bar graph, a pie chart or the like.
Further, when the discharge operation is performed by the driving force of the drive electric motor 83, the output rotation speed detection sensor 122 decreases the rotation speed of the output shaft 84 of the transmission gear case 69 from the set rotation speed range. If it is detected, the controller 111 outputs to the electric motor 96, the discharge clutch 95 is engaged and activated, and the engagement operation of the discharge clutch 95 is displayed on the monitor 121 as a graphic. As a result, the input pulley 70 is rotated by the driving force of the engine 68, the first output gear 74 is driven from the first input shaft 71 via the first one-way clutch 73, and the input gear 87 meshing with the first output gear 74 is driven. The drive electric motor 83 continues to drive, and the rotational speed of the second output gear 80 driven by the drive electric motor 83 does not match the first output gear 74 driven by the driving force of the engine 68. However, since the first one-way clutch 73 or the second one-way clutch 79 idles, the driving force of the driving electric motor 83 and the driving force of the engine 68 do not collide. Therefore, when the output rotation of the driving electric motor 83 is reduced due to a large driving load at the start of the grain discharging operation or a voltage drop of the storage battery 109, the driving force of the engine 68 drives the output shaft 84 of the transmission gear case 69. You will be assisting. With this assist, the connection operation or disconnection operation of the discharge clutch 95 is controlled by the output to the electric motor 96 so that the rotation speed of the output shaft 84 is maintained within the set rotation speed range. The display on the monitor 121 allows the operator to recognize that the discharge clutch (95) is automatically connected, and by taking measures such as checking the storage battery (109) at an early stage, the grain discharge operation can be performed. Maintain efficiency and increase overall harvest efficiency.

  When the motor-driven discharge switch 113 is turned on or operated, or when the drive source automatic switching discharge switch 114 is turned on when the voltage of the storage battery 109 is sufficient, the driving force of the engine 68 is as described above. Therefore, the driving of the output shaft 84 by the driving electric motor 83 may be assisted.

It is a side view of a combine. It is a top view of a combine. It is a side view for the principal part description of a combine. It is a top view for the principal part description of a combine. It is a top view which shows a transmission gear case in cross section. It is a modification of the electric motor of FIG. It is a front view for explanation around a grain storage device. It is a block circuit diagram.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Traveling device 3 Machine stand 4 Threshing device 5 Grain storage device 5a Grain discharge device 6 Driving part 7 Control part 8 Harvesting device 68 Engine 69 Transmission gear case (transmission switching device)
83 Electric motor for driving (electric motor)
95 Discharge clutch 101 Generator 109 Storage battery 111 Controller (control device)
121 monitor

Claims (2)

  A machine base (3) is provided on the upper side of the traveling device (2), a threshing device (4) is provided on the left and right sides of the machine base (3), and grains are provided on the left and right other sides of the machine base (3). A grain storage device (5) provided with a discharging device (5a) is provided, a driving part (6) provided with an engine (68) is provided on the front side of the grain storage device (5), and the driving part (6) A generator that generates power by the driving force of the engine (68) in a combine provided with a control part (7) on the front side and a reaping device (8) on the front side of the control part (7) and the threshing device (4) (101), a storage battery (109) for storing the electric power generated by the generator (101), an electric motor (83) driven by the electric power stored in the storage battery (109), an exhaust clutch The driving force of the engine (68) and the discharge clutch (95) input via (95) A transmission switching device (69) is provided that outputs to the grain discharging device (5a) the driving force on the side rotated at a higher speed than the other of the driving force of the electric motor (83) that is input without being performed. When a decrease in the rotational speed of the grain discharging device (5a) is detected while the grain discharging device (5a) is driven by the driving force of the electric motor (83), the discharging clutch (95) A combiner characterized in that a control device (111) for automatically connecting the two is provided.   When a decrease in the driving rotational speed of the grain discharging device (5a) is detected while the grain discharging device (5a) is driven by the driving force of the electric motor (83), the discharging clutch (95) The combine according to claim 1, characterized in that a control device (111) for automatically connecting the exhaust clutch and displaying the automatic connection state of the discharge clutch (95) on the monitor (121) is provided.

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