JP2003000035A - Apparatus for supplying power to combine and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a supplied power is limited and it is difficult to ensure workability caused by limited power supply when a motor is used as a main power source in a combine or the like. SOLUTION: The motor for driving a travel gear 1 and a reaping device 2 and the motor for driving a threshing device 3 are independently installed. The travel gear 1 is driven by the lateral travel motors 5 which independently drive lateral travel wheels, the reaping device 2 is driven by the reaping motor 6 and the threshing device 3 is driven by the threshing motor 7. When the torque of the travel motor 5 is insufficient, the threshing motor 7 is auxiliary used. The threshing motor 7 is installed in a threshing drum 8 and a large number of batteries 9 are mounted on an undercarriage 11 so as to almost equally keep the lateral balance of a car body 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device for a combine or the like, and relates to a combine or the like having electric motors for driving a traveling device, a mowing device, a threshing device, etc., and a battery for supplying electric power to these electric motors. Belong to the field.

[0002]

2. Description of the Related Art Conventionally, there is no disclosure of a combine or the like using an electric motor as a main power supply source. However, as a partial power supply source, a discharge for discharging grains stored in a grain tank to the outside is disclosed. Some are used for turning the grain auger, for adjusting the supply of the cut grain culm, and for other operational details.

[0003]

[Problems to be Solved by the Invention]
When using an electric motor as the main power supply source for combine harvesters, etc., there is a limit to the power supply as a mobile work machine and it is necessary to suppress the output as much as possible.
This causes a problem that it is difficult to secure work performance as a traveling device or a mowing device, especially a threshing device.

Therefore, the present invention is intended to solve such a problem.

[0005]

According to the invention of claim 1, an electric motor for driving the traveling device 1 and the cutting device 2, and a threshing device 3 are provided.
A power supply device such as a combine is characterized in that it is independently provided with an electric motor for driving.

With such a structure, in the drive unit 1, the cutting device 2, and the threshing device 3 in a combine or the like, which are driven by an electric motor as a main power supply source, an electric motor for driving the threshing device 3 is provided independently. Due to the limited power supply as a mobile work machine,
It is possible to keep the rotation speed of the threshing device 3 having a large load variation constant.

According to a second aspect of the present invention, an electric motor for driving the traveling device 1 and the mowing device 2 and an electric motor for driving the threshing device 3 are independently provided, and left and right traveling drive wheels of the traveling device 1 are provided. Left and right electric motors 5 for driving 4 separately
In addition to the above, the harvesting electric motor 6 for driving the harvesting device 2 is additionally provided, and the power supply device for a combine or the like according to claim 1 is configured.

With such a configuration, the traveling drive wheels 4 for driving the traveling crawlers arranged on the left and right sides of the traveling device 1 in the combine or the like are driven by the independent left and right traveling electric motors 5, thereby omitting the traveling mission case. Alternatively, the size can be reduced, and the reaping electric motor 6 can be independently provided, and the reaping rotation speed can be adjusted to be proportionally synchronized with the traveling speed by the control.

According to a third aspect of the present invention, an electric motor for driving the traveling device 1 and the reaping device 2 and an electric motor for driving the threshing device 3 are independently provided, and the threshing electric motor for driving the threshing device 3 is provided. The power supply device for a combine or the like according to claim 1 is characterized in that 7 can be used supplementarily when a torque shortage of the traveling electric motor 5 occurs.

With such a configuration, the threshing electric motor 7 for driving the threshing device 3 in a combine or the like has a sufficient output so as to keep the number of revolutions of the threshing device 3 having a large load fluctuation at the time of the threshing work constant. Therefore, when the traveling load increases and the torque of the traveling electric motor 5 becomes insufficient in a clayy wetland or the like, the insufficient output of the threshing electric motor 7 can assist the insufficient torque.

A fourth aspect of the present invention is a structure of a power supply device such as a combine characterized in that a threshing electric motor 7 for driving the threshing device 3 is provided inside the handling barrel 8. With such a configuration, the threshing electric motor 7 for driving the threshing device 3 in the combine or the like has a structure in which, for example, the rotor side is fixed inside the handling barrel 8 and the stator side is fixed to the machine frame. When the handling cylinder 8 is rotationally driven, stable work can be performed by the inertial force of the rotor as a heavy load.

According to a fifth aspect of the present invention, a large number of batteries 9 for supplying electric power to the electric motors for driving the traveling device 1, the mowing device 2, the threshing device 3, etc., have a substantially equal left-right balance against an unbalanced load of the vehicle body 10. A power supply device such as a combine is arranged on the chassis 11 so as to be held.

With such a structure, when the traveling device 1, the mowing device 2, the threshing device 3 and the like in the combine and the like are driven by the electric motor, when the vehicle body 10 is in the right tilt balance due to the seat located on the right side and the Glen tank. ,
A plurality of batteries 9 for supplying electric power to the electric motor are mounted on the chassis 11
By disposing it on the upper left side, the left-right balance of the vehicle body 10 can be made substantially uniform.

[0014]

According to the invention of claim 1, as described above, the traveling device 1, the cutting device 2, and the threshing device 3 in the combine and the like are driven by an electric motor as a main power supply source, and the threshing device 3 is driven. By independently providing the electric motor for controlling the threshing performance, the threshing device 3 can be kept at a constant rotation speed in response to the load condition in the limited supply power of the mobile work machine. Stability can be achieved.

According to the second aspect of the present invention, as described above, the traveling drive wheels 4 of the traveling apparatus 1 in the combine or the like are driven by the left and right independent traveling electric motors 5, so that the traveling mission case can be omitted or downsized. It becomes possible to secure a space for arranging the fuel cell, the battery, the condenser and the like, and by separately providing the reaping electric motor 6, a transmission mechanism for synchronizing in proportion to the traveling speed as in the conventional case is required. Without doing so, the control for controlling the electric motor 6 makes it possible to easily perform the adjustment for proportionally synchronizing the cutting speed with the traveling speed.

According to the third aspect of the invention, as described above, the electric motor 7 for threshing that drives the threshing device 3 in a combine or the like.
Has a sufficient output so as to maintain the threshing performance in response to a large load variation during the threshing work, and therefore when the running load increases and the torque of the running electric motor 5 is insufficient in a clayy wetland or the like. By assisting the torque shortage with the output margin of the threshing electric motor 7, stable work can be performed.

According to the invention of claim 4, as in the above-mentioned operation, the electric motor 7 for threshing that drives the threshing device 3 in the combine or the like.
With such a structure that the rotor side is fixed inside the handling barrel 8 and the stator side is fixed to the machine frame, the rotational drive can be kept constant by the inertial force of the rotor weight inside the handling barrel 8. The stability of the threshing work can be achieved.

According to the invention of claim 5, as in the above-mentioned operation, the traveling device 1, the cutting device 2, the threshing device 3 in the combine or the like.
For example, when the vehicle body 10 leans to the right, a large number of batteries 9 for supplying electric power to the electric motors are arranged near the left side of the chassis 11 so that a large number of batteries are driven. Car body 1 using the weight of 9
Correcting the inclination of 0 to make the left and right balance approximately equal

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 8 shows the overall structure of the combine. The traveling device 1 in which a pair of left and right traveling crawlers 12 traveling on the soil surface is stretched is provided on the lower side of the chassis 11, and a feed is provided on the chassis 11. A grain tank 14 that threshes the cut culms that are pinched and conveyed to the chain 13 and that collects and collects the threshed grains temporarily and discharges the grains stored in the tank 14 to the outside of the machine. The threshing device 3 provided with the threshing auger 15 is placed, and the straw processing device 16 is mounted on the rear end of the threshing device 3.

In front of the threshing device 3, a grass body 17 for weeding uncut grain culms, a raising portion 18 for raising the culled grain culms, and a raised grain culm are cut from the front end side thereof. A cutting device 2 having a cutting blade portion 19 and a grain culm conveying portion 20 that conveys the cut grain culm backward and delivers it to the feed chain 13 is moved up and down with respect to the soil surface by an elevation cylinder 21 hydraulically driven. It is configured to work freely.

An operating device 23 for controlling the operation of the combine on one side of the threshing device 3, and an operating seat 24 for this operation.
Is provided, and the Glen tank 14 is arranged on the rear side of the operation seat 24, and the cabin 25 that covers the operation device 23 and the operation seat 24 is arranged, and these traveling device 1, threshing device 3, and harvesting device 2 are provided. , The operating device 23, the cabin 25, etc. constitute the combine vehicle body 10.

As shown in FIG. 1, a hydrogen absorbing fuel 27 in which hydrogen is absorbed by a metal or the like is passed through a reformer 28 to a fuel cell 30.
And the compressor 29 are connected to the fuel cell 30, and the fuel cell 30 and the battery 9 (or a capacitor or the like) are connected.

The left and right electric motors for driving, which have one or more stages of reduction gears, for individually driving the driving wheels 4 for the left and right traveling crawlers of the traveling device 1 from the battery 9 via the left and right traveling inverters 31. 5, a threshing electric motor 7 that drives the threshing device 3 through the threshing inverter 32, and a mowing electric motor 6 that drives the mowing device 2 through the mowing inverter 33 are operably connected to each other. .

A controller 34 is provided for controlling the arithmetic operation of an automatic circuit by mainly disposing a CPU, and to the input side thereof,
Left and right traveling rotation sensors 35 that detect the rotational speeds of the left and right traveling electric motors 5, a threshing rotation sensor 36 that detects the rotational speed of the threshing electric motor 7, and a mowing rotation that detects the rotational speed of the mowing electric motor 6. A sensor 37, a threshing sensor group 38 for detecting the work content of the threshing device 3, a speed instructing device 39 for instructing a traveling speed, and a work instructing device 40 for instructing rice or wheat etc. are connected to each other. Let

To the output side of the controller 34, to the battery 9, the auger drive device 41 of the grain auger 15 for discharging the grains stored in the grain tank 14 to the outside of the machine, and the left and right traveling inverters 31. A communication line a for instructing frequency and forward / reverse rotation, a communication line b for instructing frequency to the threshing inverter 32, and a communication line c for instructing frequency to the reaping inverter 33 are respectively connected. Let

The hydrogen absorbing fuel 27 is sent to the reformer 28, the hydrogen taken out through the reformer 28 and the air (oxygen) by the compressor 29 are sent to the fuel cell 30, and the electrodes of the fuel cell 30 and the like. Thus, the electric power generated by reacting both elements is sent to the battery 9 for charging.

The DC power charged in the battery 9 is supplied to the left and right traveling inverters 31 and the threshing inverter 3 respectively.
2. Electric power is transmitted to the reaping inverter 33, and the electric motor for traveling 5, the electric motor for threshing 7, and the reaping are performed by the speed instruction device 39 from the controller 34 and the frequency change instruction and the forward / reverse rotation instruction by the respective communication lines a, b, c. The rotation speed change control of the electric motor 6 and the forward / reverse rotation change control of the traveling electric motor 5 are performed.

By controlling the rotation of each of the electric motors 5, 7 and 6 as described above, the threshing device 3 is driven by the independent threshing electric motor 7 within the limited electric power supplied by the battery 9 for performing the moving work. As a result, the rotation speed of the threshing device 3 having a large load fluctuation can be kept constant.

In the traveling device 1 as well, the traveling drive wheels 4 for driving the traveling crawlers arranged on the left and right sides are independent from each other and are provided with one or more speed reducing portions to increase the torque and reduce the traveling electric motor. By driving with 5, the traveling mission case can be omitted or downsized, and a space for arranging the fuel cell 30, the battery 9 and the like can be secured.

The reaping device 2 is also driven by an independent electric motor 6 for reaping, so that the electric motor 6 can be driven independently without the need for a transmission mechanism for proportionally synchronizing with the traveling speed as in the prior art. Since it can be controlled, the adjustment for synchronizing the mowing rotation speed proportionally to the traveling speed can be easily performed. In particular, during fall-over work or the like, even when it is desired to raise the level of the cutting speed and synchronize it with the traveling speed, it can be easily performed by changing the frequency.

Further, as shown in FIG. 2, the threshing electric motor 7
And a continuously variable transmission 42 having an actuator 42a for gear shifting control are interlocked by meshing output drive gears 43a, 43b, and intermediate transmission gears 45a, 45b meshed from the continuously variable transmission 42 via a bevel gear 44. ，
It is configured in conjunction with 45c.

The intermediate gear 45c is interlocked with the left and right idle gears 46a and 46b which mesh with each other, and the idle gear 4
6b is interlocked with the left and right traveling gears 48a, 48b that are meshed via the left and right transmission clutches 47, and the left and right traveling electric motors 5 are interlocked with the left and right traveling gears 48b. Each of the traveling drive wheels 4 is interlocked and configured.

With such a configuration, in the electric motor 7 for threshing, which has a margin in output so as to keep the number of revolutions constant even when a large load changes in the threshing work,
When the traveling load increases in a clayy wetland and the torque of the traveling electric motor 5 becomes insufficient, the transmission clutch 47 is engaged / disengaged from the continuously variable transmission 42 of the threshing electric motor 7 through the interlocking operation of each gear. By interlocking with the traveling electric motor 5, it is possible to assist the insufficient torque of the traveling electric motor 5 by utilizing the margin output of the threshing electric motor 7. Further, as shown in FIG.
The threshing device 3 is provided with a large number of handling teeth 49a for threshing grain culms, and a sling barrel 8 is internally mounted from the front side to the rear side of the handling chamber 49. A vertically long rocking sorting shelf 51 is arranged from the front end side to the rear end side of the chamber 50.

The rocking sorting shelf 51 includes a transfer shelf 51a for transferring the objects to be sorted such as grain removal toward the lower side, and a chaff sieve for adjusting the leakage amount of the objects to be sorted following the transfer shelf 51a. 51b and a straw rack 51c for receiving the sorted objects that do not leak from the sheave 51b for sorting are arranged on the upper stage, respectively, and a gren sheave 51d for intermediately sorting the coarsely selected material leaked from the sheave 51b is used for the sheave. It is arranged in the lower stage of 51b to be configured.

Below the upper side of the rocking sorting shelf 51, there are arranged the Karato 52 which blows air by the rotation of a plurality of Karato blades 52a. Below the Glen Sieve 51d, the medium selection leaked from the Sheave 51d and the straw. The first gutter 53 that feeds the rough selection leaked from the rack 51c by the most spiral.
Also, a second gutter 54 that laterally feeds by a second spiral is provided, and a dust discharge fan 55 that discharges the selected dust out of the machine is arranged.

The handling barrel 8 is rotatably supported by a handling barrel support shaft 56 fixed to the machine frame, and serves as a rotor of the threshing electric motor 7 on the inner peripheral side of the inlet side of the handling barrel 8. The magnet 7a side is fixed, and the coil 7b side as a stator of the electric motor 7 is fixed to the handle barrel support shaft 56 corresponding to the magnet 7a side, and the harness 7c for the electric motor 7 is secured to the handle barrel support shaft 56. It penetrates and is connected to the said electric motor 7, and is comprised.

The grain culms sandwiched and conveyed in the feed chain 13 are threshed by the handling barrel 8 of the handling room 49, and the threshed threshing is diffused and dropped onto the transfer shelf 51a of the swing selection shelf 51, and is dropped. The item to be sorted is sent from the transfer shelf 51a to the chaff sheave 51b, the coarsely selected product that leaks through the sheave 51b is further leaked by the Glensieeve 51d, and the leaked middle-selected product is carefully selected. Is dropped to the first gutter 53, and the second one is dropped to the second gutter 54.

During such a threshing operation, power is supplied from the harness 7c to the coil 7b side of the threshing electric motor 7 to energize the coil 7b fixed to the handling cylinder support shaft 56, and the magnet 7a repulsively rotates. Since it can be rotationally driven, the rotational drive can be kept constant by the weight inertial force of the magnet 7a inside the handling barrel 8, and the stability of the threshing operation can be achieved.

Further, in the one in which the threshing electric motor 7 is arranged inside the handling barrel 8 as described above, the battery 9 for supplying electric power to the threshing electric motor 7 is provided in the operating device 23 as shown in FIG. The battery 9 can be easily replaced by disposing it on the lower side of the seat 24.

Further, in the block diagram shown in FIG. 1, the engine 57 is replaced with the engine 57 instead of the fuel cell 30, as shown in FIG.
7 is connected to the generator 58 and the threshing device 3 respectively, and the generator 58 is connected to the battery 9. (Others conform to FIG. 1) As described above, the fuel cell 30 is changed to the engine 57, and the threshing device 3 having a large load is directly and interlockingly connected to the engine 57, so that the rotation speed is constant during the threshing work. It is possible to maintain good
At the time of reaping work, the work is performed with the engine 57 fully open output,
The operation is mainly performed on the side of the power generator 58 except during the mowing work (grain discharge, movement, etc.), and it is possible to secure work with energy saving and low noise.

Further, as shown in FIGS. 6 and 7, in order to use the electric power generated by the fuel cell 30 or the generator 58 for the combine operation, a large number of batteries 9 must be charged and stored. A large number of batteries 9 can be stored in a space near the upper left side of the chassis 11.

As described above, a large number of batteries 9 can be easily stored in the space on the left side of the upper surface of the chassis 11, and the batteries 9 are arranged on the left side of the vehicle body 10. It is possible to prevent the vehicle body 10 from being balanced to the right by the weight of the seat 24 and the Glen tank 14 located on the right side, so that the lateral balance of the vehicle body 10 can be substantially equalized.

[Brief description of drawings]

FIG. 1 is a block diagram showing an automatic circuit for driving each electric motor by electric power from a fuel cell.

FIG. 2 is a transmission mechanism diagram showing an assisting state when an output of a traveling electric motor by a threshing electric motor is insufficient.

FIG. 3 is a side view showing a state in which a rotor and a stator of an electric motor are fixed inside a handling barrel of a threshing device.

FIG. 4 is a side view showing a state in which a battery for charging electric power is arranged on the lower side of the seat of the operation device.

5 is a block diagram showing a state in which an engine and a generator are arranged in place of the fuel cell of FIG.

FIG. 6 is a plan view showing a state in which a large number of batteries for electric power charging are arranged near the left side of the upper surface of the chassis.

FIG. 7 is a side view showing a state in which a large number of batteries for charging electric power are arranged near the left side of the upper surface of the chassis.

FIG. 8 is a side view showing the overall configuration of the combine.

[Explanation of symbols]

1. Traveling device 2. Reaper 3. Threshing equipment 4. Traveling drive wheels 5. Electric motor for running 6. Electric motor for mowing 7. Electric motor for threshing 8. Handle 9. Battery 10. Car body 11. Car platform

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B62D 49/00 B62D 49/00 EF term (reference) 2B074 AA02 AB01 AC02 AD05 AF02 BA09 CA01 CD10 DA01 DA02 DB01 DB03 DB04 DE03 DF07 DF11 EB04 EE02 2B076 AA03 CA19 CC01 CF02 DA02 DA05 DA09 DA19 EA01 EC02 ED30 3D035 AA06

Claims (5)

[Claims] 1. A power supply device such as a combine, wherein an electric motor for driving the traveling device 1 and the reaping device 2 and an electric motor for driving the threshing device 3 are independently provided. 2. An electric motor for driving the traveling device 1 and the reaping device 2 and an electric motor for driving the threshing device 3 are independently provided, and the left and right traveling drive wheels 4 of the traveling device 1 are separately driven. The left and right running electric motors 5 are provided,
The power supply device for a combine or the like according to claim 1, further comprising a mowing electric motor 6 for driving the mowing device 2. 3. An electric motor for driving the traveling device 1 and the reaping device 2 and an electric motor for driving the threshing device 3 are independently provided, and the threshing electric motor 7 for driving the threshing device 3 is provided with the traveling motor. The power supply device for a combine or the like according to claim 1, wherein the power supply device can be supplementarily used when the torque of the electric motor 5 is insufficient. 4. A power supply device such as a combine, characterized in that a threshing electric motor 7 for driving the threshing device 3 is arranged inside a handling barrel 8. 5. A large number of batteries 9 for supplying electric power to electric motors for driving a traveling device 1, a mowing device 2, a threshing device 3 and the like.
Is provided on the chassis 11 so that the left-right balance of the vehicle body 10 against an unbalanced load can be maintained substantially evenly, and a power supply device such as a combine.