JPH10313665A - Combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine avoiding such inconvenience that wires and pipes are damaged by contact with a transmission belt, and improved in maintainability, by forming a space for passing through the wires or the like between the transmission belt and a machine body frame. SOLUTION: A grain tank 6 provided with a grain carry-away device is arranged on one side of a threshing part 5 arranged on the machine body frame 2, driving power is supplied from a machine body center side through the transmission belt 22 to the grain carry-away device, and at the time of passing through the wires or the pipes between the threshing part 5 and the grain tank 6, the space for passing through the wires or the pipes is formed between the transmission belt 22 and the machine body frame 2. Also, it is preferable to make a tension pulley 24 for supplying tension to the transmission belt 22 abut on the transmission belt 22 from the lower side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a combine for supplying power via a transmission belt to a grain discharge device of a grain tank.

[0002]

2. Description of the Related Art In general, this type of combine includes
There is a type in which a grain tank provided with a grain discharging device is arranged on one side of the threshing unit, and power is supplied to the grain discharging device from the center of the machine via a transmission belt.

[0003]

However, in such a combine, even if an attempt is made to pass the wiring and piping between the threshing unit and the grain tank, the transmission belt becomes an obstacle. The actual condition is that the wire passes through the lower side of the body frame, and therefore, there is a possibility that inconveniences such as damage of the wiring and the pipe coming into contact with an obstacle may occur.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve these problems in view of the above-mentioned circumstances, and is provided on one side of a threshing unit arranged on a body frame. In addition, a grain tank provided with a grain unloading device is arranged, and the grain unloading device, in a combine that supplies power via a transmission belt from the center of the machine body, between the threshing unit and the grain tank. When the wiring or the pipe is passed, a space for passing the wiring or the pipe is formed between the transmission belt and the body frame. In other words, while power is supplied to the grain discharge device from the center of the machine via the transmission belt, it is possible to pass wiring or piping between the threshing unit and the grain tank, so that the machine frame It is possible to eliminate the inconvenience that the wiring and the piping are damaged by contacting with an obstacle, such as the wiring and the piping arranged below. Further, a tension pulley for applying tension to the transmission belt is brought into contact with the transmission belt from below. In other words, it is possible to secure a wide space between the transmission belt and the body frame.
The inconvenience that wiring and piping are damaged by contact with the power transmission belt can also be prevented.

[0005]

Next, one embodiment of the present invention will be described with reference to the drawings. In the drawings, 1 is a combine, which is a pair of left and right crawler traveling devices 3 provided below a body frame 2, a pre-processing unit 4 for cutting stems and culms in front of the body, and threshing the cut stems and culms. And threshing unit 5 for sorting kernels, grain tank 6 for storing sorted kernels, post-processing unit 7 for discharging threshed culms, and operating unit 8 in which various operating tools are arranged The threshing unit 5 is mounted on the left half of the body frame 2, while the grain tank 6 is mounted on the right half of the body frame 2. Numeral 8 is formed at the right front end of the body frame 2, that is, in front of the grain tank 6.

The grains stored in the grain tank 6 are provided with a horizontal spiral (not shown) disposed at the bottom of the grain tank 6 so as to face the front and rear, and standing upright behind the grain tank 6. It can be carried out of the machine via a vertical spiral cylinder 9 and a carry-out spiral cylinder 10 which is connected to the upper end of the vertical spiral cylinder 9 so as to be swivelable and undulating. Since the grain tank 6 is configured to be rotatable to the outside of the machine body with the vertical spiral cylinder 9 as a fulcrum, the grain tank 6 needs to be operated to rotate when performing maintenance on the machine center side such as the threshing unit 5. Thereby, a work space for maintenance can be secured in the center of the machine body. 6b is an expansion tank bulging out from the upper half of the grain tank 6 to the threshing unit 5 side, 11 is a fluffing cylinder erected on the right side of the threshing unit 5,
Reference numeral 12 denotes a second reduction cylinder.

The grain tank 6 is provided with a threshing unit 5.
Is arranged with a predetermined space S1 on the right side of
Since the bottom of the grain tank 6 at the center of the fuselage is formed on an inclined surface 6a for guiding the grains in the tank to the horizontal spiral side, the lower part of the space S1 is located below the inclined surface 6a on the right side. Is formed.

Reference numeral 13 denotes a driver's seat provided in the operation unit 8. An engine room 14 is formed below the driver's seat 13, and the crawler traveling device 3 and the pre-processing unit are provided in the engine room 14. 4, an engine 15 for supplying power to the threshing unit 5, the grain tank 6 (horizontal spiral), the post-processing unit 7 and the like is installed, and the power transmission to the horizontal spiral is disposed at the front end of the space S2. Gear case 16
Is to be done through.

The gear case 16 includes a gear case input pulley 19 for inputting engine power from a front engine output pulley 17 via a first transmission belt 18, and a bevel gear mechanism (not shown) for converting the input power into a direction substantially 90 °. ), And a gear case output pulley 20 for outputting the power whose direction has been changed.
0 power to the horizontal spiral input pulley 21 located on the right side.
Of the gear case output pulley 20 and the horizontal spiral input pulley 21 such that the upper side of the second transmission belt 22 is a tension side and the lower side is a slack side. The rotation direction is set clockwise when viewed from the front.

Reference numeral 23 denotes a tension arm which swings up and down with the vicinity of the horizontal spiral input pulley 21 as a fulcrum.
At the tip end of the tension arm 23, a rotatable tension pulley 24 is provided.
Is brought into contact with the slack side of the second transmission belt 22 from below to apply tension to the second transmission belt 22.
In other words, a predetermined space S3 is secured between the second transmission belt 22 and the body frame 2 because the lower side of the second transmission belt 22 is a slack side and the tension pulley 24 is brought into contact with the slack side from below. It is supposed to be.

Reference numeral 25 denotes a grain discharge clutch lever provided in the vicinity of the rear of the operation unit 8. The base end plate 25a of the grain discharge clutch lever 25 has a fulcrum moving plate 26 and a belt pressing elastic machine 27. And a connection wire 28 connected to the tension arm 23. Then, in a state where the grain discharge clutch lever 25 is operated to the disengagement position, the second transmission belt 22 is maintained in a slack state (power disengagement state) because the return armature 29 urges the tension arm 23 downward. However, when the grain discharge clutch lever 25 is operated to the entry position, the return
9, the second power transmission belt 22 is switched to the tensioned state (power-on state), and the grain is discharged on the basis of the fulcrum moving action of the fulcrum moving plate 26. The clutch lever 25 is held at the engaged position.

Reference numeral 30 denotes an undulating hydraulic cylinder interposed between the upper end of the vertical spiral cylinder 9 and the base end of the unloading helical cylinder 10.
Is connected via a hydraulic hose 32 to a valve unit 31 arranged in the underfloor space. And, an up / down electromagnetic switching valve (not shown) incorporated in the valve unit 31.
Is electrically connected via a control unit 34 to a carry-out cylinder raising / lowering lever (lever operation detection switch) 33 disposed near the rear of the operation unit 8. The up / down hydraulic cylinder 30 is operated to extend and contract with the up / down operation.

Reference numeral 35 denotes a fuel tank disposed behind the grain tank 6. The fuel tank 35 stores fuel supplied from a fuel supply port 35a. Is supplied to the engine 15.

Reference numeral 37 denotes a battery disposed in the space S2. The battery 37 supplies power to various electric components disposed in a space under the floor of the operation unit 8 through a power harness 38. It is supposed to do.

39 is the hydraulic hose 32, the fuel hose 3
6 and a power supply harness 38 for collectively wiring or piping, the wiring and piping cover 39 being a U-shaped fixing cover fixed to the upper side of the body frame 2 in the front-rear direction. 39a and the fixed cover 39
a from above, and a removable cover 39b in a zigzag shape, which covers the space S2 (threshing unit 5).
The space 3 (between the second transmission belt 22 and the body frame 2) is disposed between the first transmission belt 22 and the grain tank 6 and below the grain tank 6). That is, while supplying power to the horizontal spiral of the grain tank 6 from the gear case 16 on the side of the fuselage via the second power transmission belt 22, a space S3 is secured below the second power transmission belt 22,
Since the wiring / pipe cover 39 is passed through the space S3, the inconvenience of the wiring / piping coming into contact with an obstacle and being damaged as in the conventional case where the wiring / pipe is passed under the body frame 2 is eliminated. You can do it.

Incidentally, in the engine 15,
In consideration of the detachability at the time of failure, a hanging bracket is usually provided above the engine. However, after the engine is mounted, the side panel 40 and various operating tools are mounted above the engine, so that the engine 15 When attaching / detaching, many parts such as the side panel 40 had to be removed in advance. Therefore, in the present embodiment, the vibration isolating member 41 is provided on the body frame 2.
Of the four engine bases 42 and 43 fixed via the front end, at least the diagonally located engine base 42 is formed to extend in the front-rear direction, and the extended portion is engaged with the claw portion T of a forklift or a simple lift device. It is designed to function as a possible hanging bracket. That is, the engine 15
Can be attached and detached from the side of the fuselage using a forklift or a simple lift device, so that it is not necessary to remove the side panel 40 or the like, and the detachability of the engine 15 can be improved. I have.

In the apparatus constructed as described above, power is supplied to the horizontal spiral of the grain tank 6 from the gear case 16 on the side of the fuselage via the second power transmission belt 22 while the second power transmission belt 22 is provided. To secure the space S3 below, and the wiring and piping cover 39 is passed through the space S3.
Unlike the related art in which the second power transmission belt 22 obstructs the wiring and the piping, it is not necessary to pass the wiring and the piping below the body frame 2, and as a result, the wiring and the piping come into contact with obstacles and are damaged. And the like can be eliminated.

The space S3 is provided in the second transmission belt 2
2 is secured by contacting the tension pulley 24 from below with the slack side as the slack side.
3 can be made as wide as possible, and as a result, it is not permissible that the wires and pipes can be collectively passed, and also the inconvenience that the wires and pipes are damaged by contact with the second transmission belt 22 is prevented. Can be.

Moreover, since the tension pulley 24 is an existing part, there is an advantage that the tension pulley 24 can be implemented with a simple change such as changing the arrangement of the existing part without adding any additional part.

In forming a wiring / pipe route using the space between the threshing unit 5 and the grain tank 6, the wire / pipe cover 39 that forms the route is placed below the inclined surface 6 a of the grain tank 6. When the kernel tank 6 is rotated to the outside of the machine to maintain the center of the machine, the inconvenience of the wiring / pipe cover 39 is avoided as much as possible. In addition, since the wiring and piping cover 39 covers the wiring and piping, it is possible to avoid the inconvenience that the worker damages the wiring and piping during maintenance.

The present invention is, of course, not limited to the above embodiment, and it goes without saying that wires and pipes other than those described above may be passed through the wire / pipe cover. It is also possible to carry out with the piping cover omitted.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of a main part of the same.

FIG. 4 is an essential part perspective view showing a state where the grain tank is rotated.

FIG. 5 is a front view of a main part showing an arrangement of a wiring / pipe cover.

FIG. 6 is a side view showing an engine mounting structure.

FIG. 7 is a perspective view of an engine base.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Combine 2 Body frame 5 Threshing part 6 Grain tank 8 Operation part 16 Gear case 21 Horizontal spiral input pulley 22 Second transmission belt 24 Tension pulley 32 Hydraulic hose 36 Fuel hose 38 Power harness 39 Wiring / pipe cover

Claims (2)

[Claims] 1. A grain tank provided with a grain unloading device is arranged on one side of a threshing unit arranged on a body frame, and the grain unloading device is connected to the grain unloading device via a transmission belt from the center of the machine body. A combine for supplying power, wherein a space for passing wiring or piping is formed between the transmission belt and a machine body frame when wiring or piping is passed between the threshing unit and the grain tank. 2. The combine according to claim 1, wherein a tension pulley for applying tension to the power transmission belt is brought into contact with the power transmission belt from below.