JPH10278838A - Chassis frame structure for combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily fit and detach a crawler so as to facilitate maintenance by arranging a rear frame and a lateral frame constituting a chassis frame and arranged in the right and left direction in rear of the longitudinal center of crawler type running devices, and making the left side of the rear frame and the lateral frame higher than the right side. SOLUTION: A rear frame 24 is fixedly provided on the rear ends of right and left frames 21, 20, a lateral frame 30 is laterally provided between the longitudinal midway parts of the right and left frames 21, 20, and they are squarely framedly fixed so as to improve rigidity. On the rear frame 24 and the lateral frame 30, left-up inclined parts 24a, 30a are constituted on the over position of the left side crawler toward the advancing direction, the left end parts are constituted horizontally, the left side of a chassis frame 2 is raised so as to form a space H between the left end parts and the upper face of the left side crawler 13L, and the space H is made larger than the right side space. Hereby, the crawler 13L can be easily fitted and detached, and hence the maintenance is facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a chassis frame of a combine driven by a crawler type traveling device.

[0002]

2. Description of the Related Art Conventionally, a chassis frame is fixed on a crawler type traveling device, an operation unit is mounted on the chassis frame on the right front side, and a Glen tank is mounted on a rear portion thereof. A sorting device was mounted.
This chassis frame is usually square in plan view,
It was designed to increase rigidity by framing the shape.

[0003]

However, the conventional chassis frame has a frame structure in consideration of assemblability, strength and the like, and is formed horizontally in a side view. On the other hand, the crawler type traveling device has an overhanging angle at the front (drive sprocket side) so that it can easily get over ridges and irregularities on the ground surface. Is higher than the rear upper surface,
The chassis frame was in a high position overall, and the center of gravity was rising. In the case of the combine, since the Glen tank is arranged on the right side, the weight balance is biased to the right at the time of harvesting. It is arranged so as to be located on the left side of the center (O2 in FIG. 5). Therefore, the left end of the chassis frame will protrude long from the end surface of the left crawler,
It was difficult to remove and maintain the left crawler.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. That is, in a combiner in which a chassis frame is arranged on a crawler type traveling device and a threshing unit and a grain storage unit are arranged on the chassis frame, the frame and the horizontal frame which are arranged in the left and right directions forming the chassis frame are crawled. The left and right sides of the rear frame and the lateral frame are arranged higher than the right side thereof. In addition, the right frame arranged in the front-rear direction constituting the chassis frame is arranged above the right crawler, and a bent portion is provided at the front of the right frame so that the front is raised.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. Fig. 1 is an overall side view of the combine, Fig. 2
Is a front view, FIG. 3 is a side view in which a chassis frame is mounted on a crawler type traveling device, FIG.
FIG. 5 is a rear view, FIG. 6 is a rear cross-sectional view of the left chassis frame, and FIG. 7 is a perspective view of the leg frame.

1 and 2, the overall structure of the combine will be described. A chassis frame 2 is mounted on the crawler type traveling device 1, and a reaping portion A is projected forward and leftward in a traveling direction on the chassis frame 2, and the reaping portion A is a reaping input portion at a rear portion of the reaping frame 4. Are rotatably supported by the chassis frame 2 and can be moved up and down by a hydraulic cylinder. A weeding board 3 is arranged at the front end of the mowing frame 4, an elevating device F is arranged at a rear portion thereof, and a cutting blade 5 is arranged below the weeding board F. The root is lifted and cut by the cutting blade 5, and is conveyed rearward by the conveying device.

A threshing unit D is arranged at the rear of the cutting unit A,
The root of the grain stalks conveyed by the conveying device is passed on to the feed chain 7, and while being pinched and conveyed by the feed chain 7, the tip portion passes through the threshing device D and is shed, and the straw is cut by the cutter device. Is released to the field, the grains are sorted by a sorting device arranged below the threshing unit D, and the sorted fines are stored in a grain storage unit arranged on the right side of the threshing unit D via a frying conveyor. Is stored in the Glen tank 8. 9 is a discharge auger,
This is for carrying out the grains in the Glen tank 8 outside the machine. An operating section C having a driver's seat 10, a traveling lever 11, a main shift lever 12, and the like is arranged at the front of the Glen tank 8, and an engine, a transmission, and the like are arranged below the operating section C.

Next, the structure of the chassis frame 2 of the present invention will be described with reference to FIGS. The chassis frame 2 includes a right frame 20, a left frame 21, a front first frame 22, a front second frame 23, a rear frame 24, a horizontal frame 30, vertical frames 25 and 25, and an operation unit frame 26.

The right frame 20 is formed of a square pipe, and as shown in FIG. 3, the front portion is bent substantially in a crank shape to form a bent portion 20a, the front portion is at a high position, and the middle portion is rearward. It is formed to be low and horizontal, and in accordance with the inclination of the upper part of the crawler 13 (the front is high and the rear is low),
The gap between the crawler 13 and the right frame 20 is reduced so that the center of gravity of the rear portion is reduced. The front end of the right frame 20 includes the driving unit and the left frame 21.
Is fixed to the front second frame 23 as a height corresponding to the height of the front frame.

Further, as shown in FIG. 6, the left frame 21 is formed in an inverted U-shape in a sectional view, and a horizontal surface portion 21a is further extended horizontally from the lower end of the outer surface to the outside in the horizontal direction. 4
As shown in (1), it is configured to be wide on the outside to serve as a receiving portion such as an upper pulley cover or to serve as a guard against an obstacle from the side. Then, stays 27 and 27 extend outward (left) from the lower surface of the left frame 21.
To protrude from the rear portion of the left weeding plate 3 to support the rear portion of the weeding rod 14 (FIG. 1).

At the front end of the right frame 20 and the left frame 21, a front second frame 23 is fixed horizontally horizontally.
The front first frame 22 is disposed in front of the front second frame 23 in parallel at the same height, and the left side between the front first frame 22 and the front second frame 23 is connected and fixed by a support frame 29. , Right side are connected by an operation unit frame 26. Then, the right frame 20 and the left frame 2
A rear frame 24 is fixed to the rear end of the
0 and the horizontal frame 3
0 is provided horizontally and fixed to a square frame to increase rigidity.

As shown in FIG. 5, the rear frame 24 and the horizontal frame 30 are inclined leftward and upward at positions above the left crawler 13L in the traveling direction.
The left end is configured horizontally, and a space H is formed between the left end and the upper surface of the crawler 13L. This is because the right side puts the Glen tank 8 and the right side becomes heavy,
The left and right center O1 of the chassis frame 2 is located on the left side of the left and right center O2 of the crawler traveling device 1, the right end of the chassis frame 2 is made to substantially coincide with the right end of the right crawler 13R, and the left end of the chassis frame 2 is the left crawler 13L.
Projecting to the left. If the left end of the chassis frame 2 protrudes to the left from the left crawler 13L, it is difficult to attach and detach the left crawler 13L and to perform maintenance. It is larger than the space h on the right. Note that this configuration is used when the threshing unit is to be positioned higher than the mounting table of the Glen tank 2, for example, when there are many cutting streaks, and when the confluence position of each streak in the transfer device of the cutting unit is retracted rearward and upward. It is valid.

The threshing unit and the sorting device can be placed on the front second frame 23, the rear frame 24, the horizontal frame 30, and the left frame 21. That is, since the right side of the rear frame 24 and the horizontal frame 30 is low, the mounting table 32 is fixed on the middle part of the horizontal frame 30, and the mounting table 33 is fixed on the middle part of the rear frame 24. A mounting table 34 is provided to project from the left end of the front second frame 23 in accordance with the height of the support portion of the front frame 23, and a mounting table 31 is fixedly provided on a middle portion of the front second frame 23, The fixing holes 35 are provided on the upper side, and the threshing unit and the fixing unit at the lower part of the sorting device are connected and fixed thereto. Also,
A support plate 36 for supporting the discharge auger 9 is fixed on the rear portion of the right frame 20 and on the right side of the rear frame 24, and the rotation fulcrum projection 38 of the discharge auger 9 is provided on the support plate 36. On the right side of the front first frame 22 and the front second frame 23, engine stands 37, 37,.
・ It is standing.

A first first frame 22 and a second previous frame 23 between the right frame 20 and the left frame 21.
Below the rear frame 24 and the horizontal frame 30, the vertical frames 25 are arranged in parallel in the front-rear direction. The upper ends of the leg frames 39 and 39 are fitted and fixed to the front end and the middle of the vertical frames 25 and 25, respectively.
39 is arranged in a "C" shape when viewed from the rear. As shown in FIG. 7, each of the leg frames 39 is formed by dividing a frame formed into a U-shape in cross section into front and rear portions to increase strength and facilitate molding. In this configuration, the same parts can be used in front, rear, left and right, and the number of types of parts can be reduced.

An inverted L-shaped notch is formed in the lower portion of the leg frame 39, and the notch is formed on support frames 41 and 42 fixed on the front and rear portions of the track frame 40 of the crawler-type traveling device 1. It is fitted and fixed. Also,
The rear leg frames 39 and 39 and the vertical frames 25.2
5, triangular reinforcing frames 43 are fixedly provided.

Are rotatably supported by the track frame 40, driven wheels 45 are supported at the rear of the track frame 40, and a driving sprocket 46 is fixed to the front of the support frame 41. The provided drive shaft is supported, and the drive shaft protrudes from the transmission case. The crawler 13 is wound around the driving sprocket 46, the driven wheel 45, the rolling wheels 44,....

As described above, the left crawler type traveling device is supported by the vertical frame 25L, and the vertical frame 25L is connected to the front first frame 22, the front second frame 23, the rear frame 24 and the horizontal frame 25L as described above. Since it is configured to be fixed by welding to the lower portion of the frame 30, the left crawler-type traveling device can be integrally shifted and fixed to the left and right during assembly. That is, the grain storage section of the combine is available in a topsucker specification or a Glentank specification, and since the loading weight is different between the Topsucker specification and the Glentank specification, the center of gravity in the left-right direction also changes. Therefore, it is necessary to change the mounting position of the crawler traveling device according to the position of the center of gravity. In this embodiment, the left crawler traveling device is integrally attached to the vertical frame 25L. Is configured to be fixed by welding to the front first frame 22, the front second frame 23, the rear frame 24, and the horizontal frame 30 from below, so that the vertical frame 25L is attached according to the type of the grain storage unit at the time of assembly. By simply shifting the position, the left and right positions can be easily changed according to the specifications of the grain storage unit without changing the mounting structure or changing the design.

[0018]

The present invention is configured as described above.
The following effects are obtained. In other words, the left chassis frame protrudes to the left from the crawler traveling device, making maintenance difficult.However, after arranging the chassis frame in the left and right direction and the horizontal frame, the rear and center of the crawler traveling device are located behind the center. And the left side of the rear frame and the horizontal frame are configured to be higher than the right side, so the space between the left chassis frame and the crawler is increased, the crawler can be easily attached and detached, and maintenance is easy. It has become.

Also, the right frame arranged in the front-rear direction is
It is located above the right crawler, and a bent part is provided at the front of the right frame, so that the front part is high, so the mounting part of the Glen tank is low, the center of gravity can be lowered and it is stable And the capacity of the Glen tank can be increased.

[Brief description of the drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a front view of the same.

FIG. 3 is a side view in which a chassis frame is mounted on a crawler type traveling device.

FIG. 4 is a plan view of the same.

FIG. 5 is also a rear surface.

FIG. 6 is a rear cross-sectional view of the left chassis frame.

FIG. 7 is a perspective view of a leg frame.

[Explanation of symbols]

 D Threshing unit 1 Crawler type traveling device 2 Chassis frame 8 Glen tank 13 Crawler 20 Right frame 24 Rear frame 30 Lateral frame

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Seiji Kubo 428 Enami, Okayama City

Claims (2)

[Claims] 1. A combine frame in which a chassis frame is disposed on a crawler-type traveling device, and a threshing unit and a grain storage unit are disposed on the chassis frame. The rear frame and the horizontal frame are arranged rearward from the front-rear center of the crawler-type traveling device, and the left side of the rear frame and the horizontal frame is configured to be higher than the right side. 2. A combiner in which a chassis frame is arranged on a crawler-type traveling device, and a threshing unit and a grain storage unit are arranged on the chassis frame. A chassis frame structure of a combine, wherein the chassis frame structure is arranged above a crawler, and a bent portion is provided at a front portion of the right frame so that the front portion is raised.