JPH11137055A - Moving frame for combine harvester or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a moving frame adapted to lighten and rigidify the bodies of combine harvesters. SOLUTION: This moving frame comprises; supporting brackets 6 positioned in the front side and rear side of main frames 1, and a plurality of horizontal frames 7, 8 and 9 disposed between and joined to the upper sides of the left-and- right main frames 1, wherein reinforcing bracket sections 2 are disposed along and welded as one body to the lower parts of a pair of the light-and-left and parallel main frames 1, connecting brackets 3 connect the reinforcing bracket sections 2 together, and mounting bracket sections 5 are disposed between and joined in a body to the left-and-right ends of the connecting brackets 3 and the reinforcing bracket sections 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling frame for a combine or a transport vehicle, and can be used mainly for a vehicle body having a crawler traveling device.

[0002]

A heavy vehicle that travels on soft soil like a combine must have a light weight and high rigidity. The present invention
The weight is reduced mainly by a slender main frame, a reinforcing bracket for reinforcing the main frame, a connecting bracket in a horizontal direction, and a horizontal frame.

[0003]

According to the present invention, a reinforcing bracket portion 2 integrally joined along a lower portion of a pair of left and right main frames 1 is connected to the reinforcing bracket portions 2 opposed to each other. Connecting bracket portion 3 to be
The track frame 4 is integrally joined between the left and right ends of the connection bracket 3 and the reinforcing bracket 2.
A support bracket 6 comprising a mounting bracket portion 5 to be mounted on the front and rear portions of the main frame 1 is provided.
A traveling frame such as a combine is formed by connecting a plurality of horizontal frames 7, 8, 9 joined between the upper sides of the left and right main frames 1.

[0004]

The support bracket 6 is provided at the front and rear portions between the pair of left and right main frames 1, and the reinforcing bracket portion 2 along the lower side of the main frame 1 has a suitable length in the front and rear directions. Since the connection can be made over the entire area, the reinforcing strength can be increased even if the cross section of the main frame 1 is reduced. Each of these support brackets 6 is provided with a connecting bracket portion 3.
The main frame 1 is configured to be sandwiched from above and below by the connecting bracket 3 and the horizontal frames 7, 8, 9 so that the main frame 1 has a three-layer structure and is rigid. Is enhanced. For this reason, the main frame 1, the support bracket 6, and the like can use a gutter-like material or a square pipe material having a small cross section and a thin U-shaped cross section, so that a lightweight, highly rigid vehicle body can be obtained.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A combine is mounted on a grain stem raising device 1 above a vehicle body 11 having a crawler traveling device 10.
2. A mowing device 15 having a cutting blade device 13, a mowing grain culm transport device 14 and the like is supported on the front portion so as to be able to move up and down, and on the rear side portion, a grain culm sent from the transport device 14 is provided. A threshing device 18 for threshing the grain stalk that is conveyed rearward while being sandwiched between the feed chain 16 and the clamping rod 17 is mounted. On the side opposite to the threshing device 18, from the front side to the rear, A cockpit 19 and a cockpit 20, a cabin 21 covering them, an engine, a Glen tank 22 containing harvested kernels threshed by the threshing device 18, and grains discharged from the Glen tank 22 are taken out of the machine. And the like are mounted with a dumping auger 23 to be conveyed to the apparatus.

The vehicle body 11 has a pair of main frames 1 which are substantially parallel to the center of the vehicle width in the front-rear direction, a support bracket 6 disposed at a lower front portion and a lower portion, and an upper lateral direction. And a plurality of horizontal frames 7, 8, 9, and so on. The track frame 4 in the front-rear direction is attached to a lower portion of the outer side of the support bracket 6. Rollers 24 are arranged along the lower side of the track frame 4, and end wheels 25 are provided at the rear end. The drive sprocket 26 at the front end is axially mounted on an axle housing 28 mounted on the front mounting bracket 36 with a sprocket axle 27, and the sprocket 26 and the rolling wheels 24, 2 are mounted.
5, a crawler 29 is arranged so that the sprocket 26 can be driven to rotate and run.

[0007] The main frame 1 is made of a square pipe material, and is configured to be parallel in the left-right direction and to be elongated in the front-rear direction. The main frame 1 on the side where the cockpit 20 is mounted protrudes long forward. The support bracket 6 includes a reinforcing bracket 2 attached by welding along a lower portion of the main frame 1 and a reinforcing bracket 2 opposed to the left and right sides.
It is composed of a connecting bracket 3 for integrally connecting the spaces, and a mounting bracket 5 and the like integrated on both left and right ends. Each of these members 2, 3, and 5 is mainly composed of a square pipe material or a sheet metal U-shaped gutter.

The reinforcing bracket 2 has a lower surface sequentially inclined and a front and rear end portion adhered to the lower surface of the main frame 1. The reinforcing bracket portion 2 is formed by bonding the upper edge of the U-shaped gutter-like material to the lower side of the main frame 1 to form a square pipe shape or a box shape, and lengthening it back and forth. The strength of the main frame 1 is increased by forming the position vertically higher.

The connecting bracket part 3 is mainly made of a square gutter-like material, and the left and right ends are vertically increased, the central part is made lower at the upper edge, and the upper surface is closed by the whole plate to form a box shape. so,
The inner surface of the main frame 1 and the inner surface of the reinforcing bracket 2 are joined together. The mounting bracket 5 joined to the left and right ends of the connecting bracket 3 and the outer side of the reinforcing bracket 2 is formed in a substantially box shape, and the lower surface 31 and the outer surface 30 of the mounting bracket 5 are mounted. It is used as a mounting portion of the track frame 4 using bolts or the like.

The horizontal frames 7, 8, 9 are made of a square pipe material, are superposed over the upper surfaces of the pair of left and right main frames 1, and are integrally bonded by welding or the like. The front horizontal frames 7 are arranged at two places, that is, at the front end of the main frame 1 and at the rear of the front support bracket 6. The middle horizontal frame 8 is provided substantially along the upper side of the rear support bracket 6. The rear horizontal frame 9 is disposed at a rear end of the main frame 1 and at an intermediate portion between the front frame and the rear support bracket 3.

The left and right outer ends of the horizontal frames 7, 8, 9 are connected by front and rear side frames 32, 33. Of these, the horizontal frame 8 is not provided in a portion located below the threshing device 18. 34 is horizontal frames 7 and 8
It is a center frame that connects between. Reference numeral 35 denotes a cover panel that covers the lower part of the threshing device 18, which is connected between the main frame 2 and the side frame 32 and attached.

At the front of the support bracket 6 at the front of the main frame 1 is integrally formed a box-shaped mounting bracket 36 extending outward, and the front surface 37 is used as a mounting surface for the axle housing 28 with bolts or the like. I have. An axle housing 28 in which the driving sprocket 26 is mounted on both left and right ends is formed to project from the lower end of the transmission case 38 to both left and right sides. The transmission case 38 is attached to a bracket 39 integrated at the center of the horizontal frame 7 at the front end.

At the front ends of the main frame 1 and the side frames 32 on the threshing device 18 side, a pair of left and right brackets 40 fixed over the horizontal frame 7 are provided. Attach a suspension bracket that supports the frame so that it can rotate up and down with the mowing elevating shaft. 41 is a bracket for supporting the engine via a damper or the like.

Each of the left and right track frames 4 has a mounting bracket 42 having an inverted T-shaped cross section on the inner side surface.
One corner of the character portion is joined to the lower surface 31 and the outer surface 30 on the support bracket 6 side, and each is attached by bolting.
Reference numeral 43 denotes a tail pipe of an engine muffler extending along the lower side of the center frame 34, which is located between the horizontal frames 7, 8 and the connection bracket 3.

As described above, the three-layered vehicle body 11 has the front and rear support brackets 6 on the lower side, and the horizontal frames 7, 8, and 9 arranged on the upper side. Therefore, the structure of each frame or bracket can be reduced or made thin to maintain the rigidity. Further, the mounting configuration of the track frame 4 having the crawler 29 mounted on the lower portion of the vehicle body 11 can be stabilized.

The pair of front and rear support brackets 6
In the same configuration, the mounting bracket 36 is attached to the front support bracket 6 in a form in which the reinforcing bracket portion 2 extending forward is cut short to an appropriate length. Therefore, most components can be shared and simplified. Reference numeral 44 denotes an engine fuel tank, which is mounted on the rear end of the main frame 2 and the side frame 32 at the rear end of the threshing device 18 mounting portion. 45 is a lubrication port directed to the outside of the threshing side plate 46, 47 is a suction hose, which passes through a lower side of the threshing side plate 46 on the Glen tank 22 side through a filter 48, a fuel pump 49, and the like arranged between the threshing side plate 46 and the Glen tank 22. The hose 50 is connected to the engine.
Reference numeral 51 denotes a fuel return hose having a leading end connected to the engine. 52 is an air release hose.

[Brief description of the drawings]

FIG. 1 is a plan view of a vehicle body.

FIG. 2 is a side view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a side view of the combine.

FIG. 5 is a rear view of the fuel tank unit.

FIG. 6 is a perspective view thereof.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main frame 2 Reinforcement bracket part 3 Connection bracket part 4 Track frame 5 Mounting bracket part 6 Support bracket 7 Horizontal frame 8 Horizontal frame 9 Horizontal frame

Claims (1)

[Claims] 1. A reinforcing bracket portion 2 integrally joined along the lower portions of a pair of left and right main frames 1, a connecting bracket portion 3 for connecting the reinforcing bracket portions 2 opposed to each other on the left and right, and A mounting bracket portion 5 which is integrally joined between the left and right ends of the connecting bracket portion 3 and the reinforcing bracket 2 and mounted on the track frame 4.
The support brackets 6 are disposed at the front and rear portions of the main frame 1 and are connected by a plurality of horizontal frames 7, 8, 9 joined between the upper sides of the left and right main frames 1. A traveling frame such as a combine.