JPH0787837A - Grain conveyer in combine harvester - Google Patents

Abstract

PURPOSE:To provide a grain conveyer designed to smoothly conduct the relay action from transverse conveyance to longitudinal conveyance. CONSTITUTION:The terminal end of a grain discharge spiral 3 axially mounted laterally on the bottom 2 of a grain tank 1 is connected to the initial end of an elevating spiral axially suspended internally and longitudinally on an elevation cylinder 4 to form an L-shaped communicating cylinder. With this communicating cylinder, the relay conveyance of grains can be made possible. This cylinder 6, when plan-viewed, is such that the lower side of the revolving direction of the elevating spiral opens widely; in contrast, the communicating area on the upper side of its revolving direction is made smaller than that on the lower side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain transporting apparatus for combine harvesters, which can be used for transporting self-removing combine harvesters and normal combine harvesters from a grain tank.

[0002]

2. Description of the Related Art Conventionally, a grain transporting device in a combine has a vertically mounted internal shaft vertically mounted from a terminal end of a grain discharge spiral horizontally mounted on the bottom of a grain tank to a vertically arranged fried container. In the configuration in which the grain is inherited and conveyed to the starting end portion of the fried helix, an opening that communicates both grains is formed large.

That is, in plan view, the opening is open from the upper side to the lower side in the direction of rotation of the starting end of the fried helix, and the opening is in communication.

[0004]

SUMMARY OF THE INVENTION In the grain transporting device configured as described above, the grain that has been laterally transported from the inside of the grain tank by the grain discharge spiral is used as the end portion of the grain discharge spiral. When passing on to the beginning of the fried helix from
Grain rotation often occurs, which not only prevents smooth transfer of rice but also causes crushed rice.

That is, the grains that have reached the inheritance transfer position are
It is inherited at the beginning of the fried helix, brought to the beginning of the fried cylinder, rotated by the spiral and carried around in the fried cylinder, and then returned to the end of the grain discharge helix again. Sometimes. This is because the communication hole formed at the starting end of the fried food cylinder has a large opening on the rotation-hand side of the fried food spiral in plan view, so the one that was carried around by the starting end of the fried food spiral was It is returned to the terminal end side of the grain discharging spiral by the lifted spiral.

[0006]

The present invention takes the following technical means in order to solve the above problems. That is, the end portion of the grain discharging spiral 3 axially mounted horizontally on the bottom portion 2 of the Glen tank 1 and the starting end portion of the deep-fried helix 5 vertically mounted on the lifting cylinder 4 are formed into an L-shaped communication. The cylinder 6 is provided so as to communicate with the state where the grains can be inherited and conveyed. In the plan view, the communication cylinder 6 communicates with the large opening 7 on the lower side of the rotating direction of the fried helix 5 to communicate with it. Is a combine grain transfer device in which the communication area on the upper side in the rotation direction is formed to be smaller than the communication area on the lower side.

[0007]

EXAMPLE First, the structure will be described. The grain tank 1 is mounted on a traveling vehicle body 9 having a crawler 8 and is configured to store the grains that have been threshed and conveyed and supplied. The grain discharge spiral 3 is horizontally mounted on the bottom portion 2 of the grain tank 1 so that the stored grain can be carried out of the machine. The Glen tank 1 is provided with a full sensor so that an alarm can be issued when the grain reaches full.

As is well known in the art, the Glen tank 1 can be freely mounted on the side surface with the expansion tank freely expanding and contracting. The communication tube 6 has one side connected to the tube body 10 fixed to the Glen tank 1 so as to be freely engaged and disengaged, and the other side connected to the lower end of the fried food tube 4 which is erected upright. The fried helix 5 is installed in the fried cylinder 4 and is driven by the motor 11 mounted on the upper portion. Also,
The grain discharge cylinder 12 is connected to the upper end of the fried food cylinder 4, communicates with the tip of the grain discharge cylinder 12 so that the vertical movement of the grain can be adjusted, and a transport spiral 13 is internally provided.

The transport spiral 13 is connected to the motor 11
It is driven by. Next, the opening 7 of the communication cylinder 6 is provided between the end of the grain discharge spiral 3 and the start of the fried helix 5. The opening part on the upper side in the rotation direction is narrowed.

That is, the wall 14 is provided at a portion pushed out toward the starting end side of the grain discharging spiral 3 by the rotating fried helix 5, and on the lower side thereof, the fried cylinder 5 is provided by the fried helix 5.
At the position where it is brought to the side, it is opened so that grain can be taken in. The reflection wall 15 is provided in the upper part of the bearing cylinder 16 in the communication cylinder 6 so as to be positioned in front of the opening 7, and receives the grains that have overflowed from the side of the fried cylinder 4 as the fried helix 5 rotates. It is configured so that it can be guided (reflected) in the direction of the fried grain cylinder 4.

Incidentally, the Glen tank 1 shown in the embodiment is constructed so that it can be rotated toward the outside of the traveling vehicle body 9 around the fulcrum 17, and the side surface of the threshing device 18 is opened to perform maintenance. Is configured to be easily performed. Then, the grain discharging spiral 3 is transmitted to the outside of the machine.
The drive joint 21 connected to the drive shaft 20 to which the spring 19 is fixed is engaged and disengaged with the driven joint 22 to be transmitted.

When the Glen tank 1 rotates about the fulcrum 17 toward the outside of the traveling vehicle body 9 as described above, the drive joint 20 and the driven joint 21 are rotated.
It is configured so that the engagement with and can be separated and rotated. The grain discharge cylinder 12 is configured to rotate in a plane of 360 degrees by rotating the fried food cylinder 4 as is conventionally known.

Reference numeral 23 denotes a ladder, which can be climbed up and down by an operator, and can be effectively utilized at the time of maintenance of the upper part of the fried cylinder 4 and the thresher 18. The cover 24 is openly and freely pivoted outside the ladder 23, and can be covered with the cover 24 when not in use. In addition,
The reinforcing member 25 has a traveling body 9 at the bottom and a threshing device 1 at the top.
8, the ladder 24, the rotation fulcrum 17 of the Glen tank 1 and the fried food barrel 4 are integrally connected to form a frame.

Next, the operation will be described. First, in the grain tank 1, the grains subjected to the threshing process by the threshing device 18 are fried and transported by the first fried device and sequentially stored. In this way, as the threshing work progresses, the grain tank 1 accumulates the grains processed according to the threshing work and reaches a certain amount, and an alarm is given by the detection of the full sensor installed inside the tank. , Move to grain discharge work.

First, the grain discharge cylinder 12 is made to face the tank of the truck on the shore to prepare for the grain discharge work. The grain discharging spiral 3 is connected to the drive shaft 20 from the transmission pulley 19.
Is transmitted via the drive joint part 21 and the driven joint part 22, while the fried grain spiral 5 in the fried grain barrel 4 and the transport spiral 13 of the grain discharge barrel 12 are transmitted by the motor 11.

When the respective parts are rotationally driven in this manner, the grain in the grain tank 1 is sequentially conveyed to one side of the grain tank 1 by the grain discharge spiral 3 and is inherited by the fried grain spiral 5 to be fried. It is conveyed upward in the cylinder 4. Subsequently, the grain is inherited from the end portion of the fried helix 5 to the grain discharge cylinder 12 in the upper part of the fried cylinder 4 and conveyed in the tip direction to be carried out of the machine.

As described above, the grains in the grain tank 1 are sequentially conveyed, reach the tank of the truck, and are harvested. In the process of such conveyance, the grain is transferred to the end portion of the grain discharge spiral 3 (in the embodiment, the driven joint 2).
2) is supplied to the starting end of the fried helix 5 and is inherited by the fried helix 5 and fried upward in the fried cylinder 4, but in this case, the opening 7 of the communication tube 6 is a flat surface. As shown in FIG. 2, since it is on the lower rotation side of the fried helix 5, it is rarely carried around and smoothly transferred.

At this time, the wall 14 can receive the grains that are received and carried by the starting end of the fried helix 5 and are about to jump out to the grain discharge spiral 3 side again, and the fried helix 5 as it is. Can be guided to the rotation direction side of. Further, the grains that have jumped out to the grain discharge spiral 3 side at the opening 7 collide with the reflection wall 15 and are returned to the fried grain spiral 5 side again.

Therefore, as for the grains in the communication tube 6, those which try to flow backward on the upper side in the rotation direction when the fried helix 5 is viewed in plan are blocked by the wall 14 and guided to the fried helix 5 side. The one that pops out at the position of the opening 7 on the lower side is the reflection wall 1
It is reflected by hitting 5 and returned to the fried helix 5 side, and is conveyed upward together with the grain newly inherited and fed.

[0020]

As described above, according to the present invention, the end portion of the grain discharging spiral axially mounted in the lateral direction and the vertical portion of the fried grain barrel are arranged to convey the grain stored at the bottom of the grain tank to the outside of the machine. The L-shaped communication tube is provided so as to communicate with the starting end portion of the fried grain spirally mounted on the interior in such a manner that the grain can be continuously transferred and conveyed. The lower side of the spiral in the rotating direction is communicated with a large opening, and conversely, since the communicating area on the upper side in the rotating direction is formed to be smaller than the communicating area on the lower side, the grain in the communicating cylinder is formed. When a plan view of the fried helix is attempted to flow backward on the upper side of the rotation direction, the wall blocks the fried helix and guides it toward the fried helix. There is no occurrence of broken rice and it can be transported smoothly. It is.

Further, if the reflecting wall is formed as in the embodiment, even if the conveyed grain flows backward at the communicating opening position, it is returned to the fried helix side by the reflecting wall, and it does not stagnate and is sure. It has the effect that it is inherited and transported.

[Brief description of drawings]

FIG. 1 is a cutaway side view of a main part according to an embodiment of the present invention.

FIG. 2 is a cutaway plan view of a main part of the embodiment of the present invention.

FIG. 3 is a cutaway front view of a main part according to the embodiment of the present invention.

FIG. 4 is a side view showing an embodiment of the present invention with a part thereof cut away.

FIG. 5 is a plan view showing an embodiment of the present invention.

[Explanation of symbols]

1 Glen tank 2 Bottom part 3 Grain discharging spiral 4 Lifting cylinder 5 Lifting spiral 6 Communication cylinder 7 Opening

Claims (1)

[Claims] 1. A communication cylinder in which an end portion of a grain discharging spiral horizontally mounted on the bottom of a Glen tank and a starting end portion of a lifting spiral vertically mounted on a lifting cylinder are formed in an L shape. The communication cylinder is provided so that it can be continuously transferred and conveyed, and in its plan view, the communication cylinder has a large opening on the lower side in the rotation direction of the fried helix to communicate, and conversely, on the upper side in the rotation direction. Combine grain transfer device having a smaller communication area than the communication area on the lower side