JP2011005905A - Hybrid type combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hybrid type combine harvester simplified in configuration for transmission to its traveling parts and working parts.SOLUTION: The combine harvester includes electric motors (35, ...) for driving individual working parts and crawler travel devices (2, 2), an engine (E) for driving a generator (11), and a storage battery (12). A transmission casing (21) portal-shaped as viewed from the rear for driving the right and left crawler travel devices (2, 2) is disposed at a rear-side section of a traveling undercarriage (1), right and left electric motors (13, 13) are disposed on top of the transmission casing (21), the power of the electric motors (13, 13) is transmitted to right and left drive sprockets (24, 24) of the crawler travel devices (2, 2) via right and left casing portions (21b, 21c) of the transmission casing (21), and the lower ground sides of the right and left crawler travel devices (2, 2) are driven as tight sides in the forward driving state.

Description

  The present invention relates to a hybrid combine.

  In a hybrid traveling farm machine, a traveling speed change mechanism for a traveling body of a traveling vehicle body having a working mechanism for performing various types of farm work, an internal combustion engine that supplies power to the traveling speed change mechanism and drives the working mechanism, and traveling An electric motor that supplies power to the speed change mechanism, a generator driven by the internal combustion engine, and a storage battery connected to the generator and the electric motor are mounted, and during farm work in the field, only the internal combustion engine is operated to load the load. When the detected load is smaller than the maximum output in the internal combustion engine, power generation is started by the generator to charge the storage battery, and when traveling in the non-working state inside and outside the field, A device including a control controller that cuts off power transmission to the generator and transmits power from the motor to the travel transmission mechanism is known (Patent Document 1).

JP 2001-320805 A

  Since the above technique is a configuration in which the traveling unit and the working unit of the traveling farm work machine are driven by the engine and the electric motor, there is a problem that the transmission configuration becomes complicated. Therefore, the present invention intends to provide a hybrid combine that simplifies the transmission configuration to the traveling unit and the working unit.

In order to solve the above-mentioned problems, the present invention takes the following technical means.
That is, the invention described in claim 1 is provided with a threshing portion (6) on one side of the left and right sides of the traveling chassis (1) provided with the left and right crawler traveling devices (2, 2), and the other left and right sides of the traveling chassis (1). In the combine provided with the steering part (3) and the Glen tank (5) from the front side to the rear side, and provided with the cutting and conveying part (7) on the front side part of the traveling chassis (1), each working part of the combine and Electric motors (35,...) That drive the left and right crawler traveling devices (2, 2), an engine (E) that drives the generator (11), and a storage battery that stores electric power generated by the generator (11) ( 12) and configured to be able to supply electric power from the storage battery (12) to the electric motor (35,...), And the left and right crawler traveling devices (2, 2) at the rear side of the traveling chassis (1). A rear gall type transmission case (21) for driving is disposed, and the transmission case 21) The left and right electric motors (13, 13) for driving the left and right crawler travel devices (2, 2) are arranged on the upper surface of the left and right crawler travel devices (21, 13), and the power of the left and right electric motors (13, 13) is transmitted to the transmission case (21 ) Of the left and right case parts (21b, 21c) and the axles (23, 23) and the left and right drive sprockets (24, 24) of the crawler travel device (2, 2). In the forward drive state, the hybrid ground combine is characterized in that the lower grounding side of the left and right crawler travel devices (2, 2) is the tension side drive.

  According to the second aspect of the present invention, the engine (E) and the generator (11) are combined into an engine unit (31), and the engine unit (31) is arranged on the rear side of the traveling chassis (1). The hybrid combine according to claim 1 is provided.

  The invention according to claim 3 is characterized in that the exhaust pipe (33) of the engine (E) extends rearward and exhausts rearward through the vicinity of the upper part of the transmission case (21). A hybrid combine according to claim 1 or claim 2 is provided.

  According to the first aspect of the present invention, since each working unit of the combine and the left and right crawler traveling devices (2, 2) are driven by the electric motor (35,...), The transmission configuration is simplified and the cost is reduced. Can be achieved. Further, a large space can be formed near the center of the left and right crawler traveling devices (2, 2), mud accumulation between the left and right crawler traveling devices (2, 2) can be reduced, and the left and right crawler traveling devices can be reduced. Since the (2, 2) driving electric motor (13, 13) is disposed above the transmission case (21), the entry of mud or the like into the electric motor (13, 13) can be reduced. In addition, since the lower rotating portions of the left and right crawler travel devices (2, 2) are tension side drive in the forward travel state, it is possible to improve the steering feeling and improve the turning performance while improving the travel performance.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the hot air and vibration noise of the engine (E) can be kept away from the control unit (3), so Can be improved.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the exhaust pipe (33) is raised from the ground by effectively utilizing the lower space of the transmission case (21). It can arrange | position in a position and adhesion of mud to an exhaust pipe (33) can be decreased.

It is a side view of a combine. It is a top view of a combine. It is a cutting front view of a combine. It is a side view of a combine. It is a side view of a combine. It is a top view of a combine. It is a cut rear view of a combine. It is a side view of a combine rear part. It is a cutting front view of a combine. It is a side view of a combine. It is a cut rear view of a combine. It is a side view of a combine. It is a cut rear view of a combine.

First, the overall structure of a combine equipped with the present invention will be described with reference to FIGS.
The left and right crawler traveling devices 2 and 2 are disposed below the combine traveling chassis 1. On the traveling chassis 1, a control unit 3 with a seat on the right front is provided, and an engine is disposed on the rear lower part of the control unit 3. A prime mover 4 having E is provided, and a grain storage glen tank 5 is disposed behind the prime mover 4. A threshing section 6 is mounted on the left side of the traveling chassis 1, a cutting and conveying section 7 is provided on the front side of the traveling chassis 1 so as to be movable up and down, and a waste disposal device 8 is disposed behind the threshing section 6 and the Glen tank 5. Yes.

  The engine E of the prime mover 4 is, for example, a gasoline engine, the generator E is driven by the engine E, the electric power generated by the generator 11 is stored in a storage battery (or capacitor) 12, and electric power is supplied to an electric motor 13,. Supply.

  Also, left and right electric motors 13 and 13 for driving the left and right crawler traveling devices 2 and 2 are provided, and the left and right crawlers are passed by the left and right electric motors 13 and 13 via the left and right axles 23 and 23 and the left and right drive sprockets 24 and 24. The traveling devices 2 and 2 are driven. Further, the handling cylinder 16 of the threshing unit 6 which is a working unit, the cutting input shaft 17 of the cutting conveying unit 7 and the like are driven by the driving electric motors 13..., And are electrically driven from the storage battery 12 by a control command of a controller (not shown). Electric power is supplied to the motors 13 and so on, and the rotational speed of the electric motors 13 and so on is controlled.

  In addition, power is transmitted from the cutting input shaft 17 to the cutting blade device and the grain feeder of the cutting conveyance unit 7, and power is transmitted from the right end of the cutting input shaft 17 to the feed chain 18 of the threshing unit 6 for cutting. The conveying speed of the cereal conveying device of the conveying unit 7 and the conveying speed of the feed chain 18 of the threshing unit 6 are synchronized so that the conveyed cereal can be taken over smoothly. Moreover, if the control part 3 is comprised so that the upper part of the electric motor 13 for a right axle drive may be covered, the living space of the control part 3 can be enlarged.

According to the said structure, the transmission part from the engine E to the working part of a combine and the crawler traveling apparatuses 2 and 2 on either side becomes unnecessary, and a structure can be simplified.
Next, another embodiment will be described with reference to FIGS.

  A crawler 2a is wound around the left and right crawler traveling frames 26, 26 by supporting a rear drive sprocket 24, a front idle sprocket 29, and a plurality of lower rollers 30,. It is composed. A transmission case 21 is supported on the rear sides of the left and right crawler frames 26, 26 via drive sprockets 24, 24.

  As shown in FIG. 7, the transmission case 21 includes an upper case portion 21a, left and right case portions 21b and 21c extending downward from left and right sides of the upper case portion 21a, and lower end portions of the left and right case portions 21b and 21c. The left and right axle case portions 21d and 21e extending from the left to the right and left sides form a rear portal structure. Left and right crawler travel devices 2 and 2 drive left and right electric motors 13 are disposed on the upper surface of the upper case portion 21a.

  Further, a plurality of left and right gear groups 22,... Are arranged in the left and right case portions 21b, 21c, and power is sequentially transmitted from the left and right electric motors 13, 13 to the left and right gears 22,. Are transmitted to the left and right drive sprockets 24, 24 via the axles 23, 23 to drive the left and right crawler travel devices 2, 2. Thus, the transmission case 21 is supported so as to be rotatable around the left and right axles 23, 23 on the rear side of the left and right crawler traveling frames 26, 26.

  Then, as shown in FIG. 8, the left and right drive sprockets 24, 24 are rotated counterclockwise in the forward drive state, and the crawlers 2a of the left and right crawler travel devices 2, 2 are stretched on the lower grounding side. The upper side non-grounding side is the loose side driving.

According to the above configuration, since the tight side portions of the left and right crawler traveling devices 2 and 2 travel on the ground, the traveling performance is improved, the steering feeling is improved, and the turning performance can be improved.
According to the above configuration, a large space can be formed near the center of the left and right crawler traveling devices 2, 2, and mud accumulation between the left and right crawler traveling devices 2, 2 can be reduced. Further, since the electric motors 13 and 13 for driving the left and right axles 23 and 23 can be disposed on the upper part of the transmission case 21, entry of mud or the like into the electric motor 13 can be reduced.

  Further, the front end of the left and right crawler travel frames 26, 26 are rotatably supported around the left and right pitching shafts 27, 27 at the front end of the traveling chassis 1, and the rear part of the traveling chassis 1 and the transmission case The upper part 21 is connected by a pitching cylinder 28, and the pitching of the traveling chassis 1 is adjusted by the expansion and contraction of the pitching cylinder 28, so that the cutting and conveying unit 7 on the front side of the machine body is raised and lowered.

In addition, a pitching cylinder 28 is provided in the lower space 21f of the rear view type transmission case 21, and the pitching cylinder 28 is installed in the center of the left and right width of the airframe.
The larger the combine, the greater the amount of overhang on the right side of the cutting and conveying unit 7, and the left and right balance of the cutting and conveying unit 7 becomes worse, causing vibration and strength problems. However, according to the said structure, since the pitching cylinder 28 can be arrange | positioned in the left-right center part of the cutting conveyance part 7, the left-right balance of the cutting conveyance part 7 can be improved.

  Also, as shown in FIGS. 10 and 11, the engine E and the generator 11 are combined into an engine unit 31, and the engine unit 31 is disposed below the rear side near the center of the Glen tank 5. If comprised in this way, compared with what arrange | positioned the engine E below the control part 3 located in the body front side, the hot air and vibration noise of the engine E can be kept away from the control part 3, and the control part 3 Can improve the habitability. Further, if a fuel tank (not shown) is disposed at the rear of the fuselage, the fuel routing configuration can be shortened.

  Further, the exhaust pipe 33 of the engine E extends rearward, extends rearward through the middle part of the left and right electric motors 13 mounted on the upper part of the rear view type transmission case 21, and exhausts backward with a downward slope. It is configured.

Further, as shown in FIGS. 12 and 13, the exhaust pipe 33 may extend rearward in parallel with the ground through the upper portion of the lower space 21 f of the transmission case 21 and be exhausted.
According to the said structure, the exhaust pipe 33 can be arrange | positioned in a high position from the ground, and adhesion of mud to the exhaust pipe 33 can be decreased.

  Further, as shown in FIG. 9, a control unit 3 with a seat is disposed on the front right side on the traveling chassis 1, and an engine E is disposed on a transmission case 21 on the rear side of the aircraft, for example. If the storage battery 12 is disposed at the lower rear side, the storage battery 12 can be disposed by effectively utilizing the space below the control unit 3, and the degree of freedom of other component placement can be increased.

  Further, in configuring the Glen tank 5, as shown in FIG. 12, by expanding the front lower portion of the Glen tank 5 so as to enter the lower space of the front control unit 3, without changing the body dimensions, Kernel capacity can be increased.

1 traveling chassis 2 traveling device (crawler traveling device)
4 Driving part 3 Control part 6 Threshing part 5 Glen tank 5
7 Cutting and conveying section 7
11 Generator 11
13 Electric motor 14 Storage battery 12
21 transmission case 21b left case portion 21c right case portion 21f lower space portion 22 left and right gear group 23 left and right axle 24 left and right drive sprocket 31 engine unit 33 exhaust pipe E engine

Claims (3)

  A threshing portion (6) is provided on one side of the left and right sides of the traveling chassis (1) provided with the left and right crawler traveling devices (2, 2), and a control unit ( 3) and a grain tank (5), and a combine provided with a cutting and conveying section (7) at the front side of the traveling chassis (1), each working section of the combine and the left and right crawler traveling devices (2, 2) , An engine (E) for driving the generator (11), and a storage battery (12) for storing the electric power generated by the generator (11). The storage battery (12) The electric motor (35,...) Can be supplied with electric power, and the rear side portal type transmission case for driving the left and right crawler traveling devices (2, 2) on the rear side of the traveling chassis (1). (21) is arranged, and the left and right clutches are arranged on the upper surface of the transmission case (21). The left and right electric motors (13, 13) for driving the roller travel device (2, 2) are arranged, and the power of the left and right electric motors (13, 13) is transmitted to the left and right case portions of the transmission case (21) ( 21b, 21c) is transmitted to the left and right drive sprockets (24, 24) of the crawler traveling device (2, 2) via the gear group (22,...) And the axles (23, 23), and left and right in the forward drive state. A hybrid combine, characterized in that the lower grounding side of the crawler traveling device (2, 2) is a tension side drive.   The engine (E) and the generator (11) are collectively configured as an engine unit (31), and the engine unit (31) is disposed at a rear side portion of the traveling chassis (1). Item 2. A hybrid combine according to item 1.   The hybrid according to claim 1 or 2, wherein the exhaust pipe (33) of the engine (E) extends rearward and exhausts backward through the vicinity of the upper portion of the transmission case (21). Formula combine.

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