JPH0229886Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention has a first grain storage tank disposed in a recessed space formed on the side of the threshing section, and a grain storage tank for taking out the stored grain in the tank to the outside. The present invention relates to a thresher in which a grain discharge device is provided on the front and rear side walls of the tank.

This type of threshing machine is designed to ensure good transport conditions in the thrower, which serves as a grain discharge device that lifts the grains in the tank and discharges them to the outside, so that the grains can be discharged to the outside without damaging them. In addition, the thrower needs to be cleaned, inspected, and maintained from time to time. In such cases, conventionally, the thrower installed on the tank itself is located in a recessed space, so the entire tank must be removed from the aircraft frame for inspection and maintenance of the thrower. Although they took measures to create space,
In this case, a great deal of effort and effort was required to attach and detach the tank, and maintenance such as cleaning the thrower was difficult.

An object of the present invention is to realize easy maintenance of the thrower by rationally modifying the first grain storage tank.

A characteristic configuration of the threshing machine of the present invention, which has been made to achieve such an object, is that the threshing machine is located on the outside of the machine body on the side opposite to the side where the grain ejecting device is disposed with respect to the center position in the opening width direction of the recessed space. The tank and the fuselage are pivotally connected at a vertical axis position provided near a corner of the tank, and the tank is configured to be able to be pulled out laterally and outwardly by rotating around the vertical axis. .

In other words, when it becomes necessary to inspect the grain discharging device, etc., not only can the tank be freely pulled out laterally and swung, but the pivot point when the tank is pulled out is recessed. Since it is provided near the corner of the tank on the lateral outer side of the machine on the side opposite to the side where the grain discharging device is installed with respect to the central position in the opening width direction of the space, for example, the pivot point for drawing out the tank can be Compared to the case where the grain ejector is installed on the end side where the grain ejector is located, it is necessary to pull out the grain ejector from the recessed space to the outside space by a large amount compared to the amount of rotation of the tank, that is, to rotate the tank slightly in the direction of opening. It is possible to clean the grain ejecting device by simply cleaning the grain ejecting device, and compared to the case where the rotation fulcrum is installed near the tank corner on the inside side of the machine on the opposite side from where the grain ejecting device is installed. In this case, as the tank rotates, both the amount and area of the front or rear side wall of the tank protruding in the front-rear direction of the recessed space become smaller.
The surrounding mechanical devices forming the recessed space, such as the control section and the cutter, can be placed closer to the tank housed in the recessed space.

Furthermore, since the tank rotates through a direct pivot with the aircraft, in order to rotate it,
No other dedicated parts are required, and as a result, the pivot connection part can be made compact to the minimum necessary, and because it is a direct pivot, it is possible to keep backlash and relative dimensional errors during rotation to a minimum. Become.

Therefore, the preparation work for creating a space for cleaning, inspection, and maintenance of the grain discharge device can be performed easily and efficiently with less effort, and the recessed space in which the tank is housed can be made closer to the external shape of the tank. The size of the tank was kept to the minimum necessary as much as possible, and the tank was able to be supported firmly even with small pivot joints, so it was possible to thresh while being cost-effective and eliminating wasted space. This also contributed to making the machine more compact. Embodiments of the present invention will be described based on the drawings.

To configure a combine harvester, which is an example of a threshing machine,
A threshing section 4 equipped with a second grain return device 3 to the handling room is mounted on a machine frame 2 having a crawler type traveling device 1, and a planted grain culm is raised in the front part of the machine frame 2. A reaping section 5 and a control section 6, which transport and supply the harvested grain to the threshing section 4,
The operation section 6 is arranged in a state where the operation section 6 is located on the outer side of the side where the second grain reducing device 3 is present, and a disk-shaped cutter 7, which is an example of a waste straw processing device, is installed at the rear of the threshing section 4. The threshing section 4 and the control section 6
A recessed space 8 that opens laterally and outwardly is formed between them.

In the recessed space 8, there is a first grain storage tank 9 having a size approximately equal to the front and back width of the threshing section 4, and the first grain that has been threshed and sorted in the threshing section 4 is stored in the upper part of the tank 9. A lifting device 10 for lifting grains is provided, and the tank 9 is placed between the threshing section 4 and at a location offset to the rear of the center position in the opening width direction of the recessed space 8. A grain reduction device 3 is provided.

Therefore, the tank 9 is installed in a vertical position near the outside of the front end on the opposite side from the second grain reducing device 3 with respect to the central position in the opening width direction, that is, near the front tank corner on the lateral outside of the machine. The tank 9 is constructed so that it can be pulled out laterally and outwardly by rotation around the axis P, and the stored grain in the tank 9 is provided at the rear side of the tank 9 on the opposite side from the swing axis P. A thrower 11, which is a grain discharging device for taking out the grains, is installed, and as a result of the outward rotation of the tank 9, the front side wall of the tank 9 largely digs in and moves toward the control section 6. There is a wide open space outside the second grain reducing device 3 for work such as clearing blockages and inspection, as well as a space for inspection, maintenance, and maintenance of the thrower 11.
Each of the wide working spaces for cleaning is configured to be easily exposed.

The tank 9 has a leveling screw 12 for leveling the stored grain at its top and bottom, and a screw conveyor 13 for transporting the stored grain toward the flying blade 11a of the thrower 11, respectively. There is. Further, this tank 9 is configured such that its grain storage capacity can be increased by pulling out the lateral outer plate which is connected to the tank body via a bellows-shaped flexible membrane.

Next, the transmission system to the tank 9 will be explained.

A counter shaft 16 is linked to the engine 14 via a belt tension type threshing main clutch 15.
A threshing sub-clutch 18 is interposed between the input shaft 17 of the threshing section 4 and the input shaft 17 of the threshing section 4 is fitted over the input shaft, and the input shaft is connected to the leveling screw 12 and the screw conveyor 13 by belts 19 and 20, respectively. A shaft 21 is provided, and this input shaft 21 and the counter shaft 16 are interlocked via a chain 22.

When the tank 9 in which grain is stored is pulled out and swung, the main threshing clutch 15 is maintained in the engaged state and only the sub-thresher clutch 18 is disengaged, thereby stopping the threshing section 4. The leveling screw 12, screw conveyor 13, and thrower 11 can be driven while the grains stored in the tank 9 are being freely taken out to the outside. Therefore, the tank 9 can be pulled out and swung easily and easily.

In addition, when the thrower 11 is located on the front side with respect to the center position in the opening width direction, the swing axis of the drawer of the tank 9 is located at the rear tank angle on the lateral outside of the fuselage. It is located near the section.

[Brief explanation of the drawing]

FIG. 1 is an overall side view of the combine, FIG. 2 is a cross-sectional plan view of the threshing section and tank, and FIG. 3 is a vertical cross-sectional side view of the tank. 11... Grain discharge device, 4... Threshing section, 8...
Recessed space, 9...tank.

Claims (1)

[Scope of utility model registration request] The first grain storage tank 9 is disposed in the recessed space 8 formed in the lateral side of the threshing section 4, and the grain discharge device 11 for taking out the stored grain in the tank 9 to the outside is installed as described above. In the threshing machine provided on the front and rear side walls of the tank 9, the grain discharge device 1 is located at the center of the recessed space 8 in the opening width direction
The tank 9
A threshing machine characterized in that the tank 9 is pivotally connected to the machine body so that the tank 9 can be pulled out laterally and outwardly by rotation about the vertical axis.