JP2001161158A - Grain tank of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a grain tank having an increased volume for making the fieldwork by a combine harvester efficient, and also showing a small reduction in quality such as break at the trunk part of a chaff even when the poured height of the chaffs into the grain tank becomes high. SOLUTION: This grain tank 30 is provided by separating the tank 30 into two, i.e., an upper part and a lower part, and making the upper tank part 30a as capable of sliding in up and down direction against the lower tank part 30b. By installing a chaff pouring in port 26 at the upper tank part 30a, it becomes possible to maintain the falling down height of the chaffs at a set height or lower even when the upper tank part 30a moves upwards. Also, by forming a penetrating rod 36 at the upper tank part 30a and a guiding pipe 35 at the lower tank part 30b, the penetrating rod 36 is guided into the guiding pipe 35. A chaff-receiving plate 37 is installed at the inner circumference of the upper tank part 30a inclined in the downward direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a Glen tank in a combine.

[0002]

2. Description of the Related Art It is desirable that a grain tank mounted on a combine has a large grain tank to increase paddy capacity in order to make work in a field more efficient. However, when the size is increased, it is necessary to feed the paddy from a high position in the Glen tank from the threshing device via the screwing screw conveyor, and there is a possibility that "body cracking" which is a serious defect in the quality of the paddy may occur.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and a first object of the present invention is to increase the capacity of a Glen tank in order to efficiently perform field work by combine. Another object of the present invention is to provide a device that has a reduced quality such as "cracking" even if the input height of paddy is increased by increasing the capacity of the Glen tank.

[0004]

In order to achieve the above object, a grain tank of a combine according to the first aspect of the present invention is configured such that the grain tank 30 is divided into upper and lower parts to form a plurality of tank parts.
Each of the Glen tank parts is made to be able to expand and contract with each other, and a padding inlet 26 is provided in the uppermost tank part, so that the Glen tank 3
Even if 0 is extended, by maintaining the falling height of the paddy below the set height, the paddy capacity is increased and the occurrence of cracks in the paddy is reduced.

According to a second aspect of the present invention, in the above-mentioned means, when the vertically adjacent tank portions are slid relative to each other, an insertion rod 36 is inserted into one of the tank portions.
On the other hand, a guide pipe 35 is formed in the tank part, and the insertion rod 36 is guided by the guide pipe 35, so that the tank parts slide smoothly with each other.

According to a third aspect of the present invention, the grain tank of the combine according to the first or second aspect is provided such that the paddy receiving plate 37 is inclined downward on the inner periphery below the tank portion other than the lowermost tank portion. Thus, the impact of the falling of the paddy is further reduced, and the members constituting the Glen tank are reinforced.

According to a fourth aspect of the present invention, there is provided a grain tank for a combine according to any one of the first to third aspects, wherein the Glen tank is divided into upper and lower parts, and an upper tank part is provided with respect to a lower tank part. By being slidable up and down, the falling height of the paddy is maintained at a set height or less with a simple configuration.

In the grain tank for combine described in claim 5, the tank screw conveyor 24 is attached to the uppermost tank portion in any one of the above-mentioned means, and the bottom screw conveyor 9 of the threshing apparatus 3 is provided. Is transferred from the threshing device to the grain tank by transferring the grain from the threshing device to the grain tank via the lifting screw conveyor 13 and the tank-side screw conveyor 24 provided continuously to the bottom screw conveyor 9. Is performed smoothly.

According to a sixth aspect of the present invention, the grain tank of the combine according to any one of the first to third aspects, wherein a vertical position of the uppermost tank portion is fixed, and a lower tank portion than the uppermost tank portion is fixed. By moving down according to the amount of stored paddy, the falling height of the paddy is kept below the set height, and the transfer of paddy from the threshing device to the Glen tank is performed with a simple configuration It is.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 shows the entirety of a combine to which the present embodiment is applied, in which a transport device 2 and a driver's seat 4 are arranged behind a cutting unit 1 arranged in front of the combine, and a threshing device 3 is further arranged behind it. , An engine unit 5, a Glen tank 30, and the like. These arrangement means are the same as those of the prior art.

As shown in FIG. 1, a threshing device 3 and a Glen tank 30 are juxtaposed on the left and right on the main body frame 7, and a handling drum 3a is arranged in the threshing device 3, and below it. A bottom screw conveyor 9 is provided on a bottom rotation shaft 8 supported by a main body machine frame 7, and configured to send out the unhulled rice to the outside of the threshing device 3. A drive bevel gear 8a is fixed to an end of the bottom rotating shaft 8.

At the end of the bottom screw conveyor 9, a fryer cylinder 10 stands upright. The frying cylinder 10 is cylindrical and arranged in a substantially vertical direction.
A rotating shaft 1 is rotatably supported, and a rotating shaft bevel gear 12 is fixed at the lower end of the rotating conveyor shaft 11 and outside the lifting cylinder 10, and meshes with the driving bevel gear 8a. That is, the rotation of the bottom rotating shaft 8 is transmitted to the lifting shaft bevel gear 12, and as a result, the rotation of the bottom screw conveyor 9 and the lifting screw conveyor 13 provided on the lifting shaft bevel gear 12 are linked. Become.

As shown in FIG. 1, the drive bevel gear 8a and the frying shaft bevel gear 12 are arranged outside the fryer cylinder 10, as shown in FIG. In the fryer cylinder 10, a fryer wheel impeller 14 is fixed to the upper end of the fryer conveyor shaft 11 and to the end of the fryer screw conveyor 13. A portion of the fryer cylinder 10 facing the fryer impeller 14 is a fryer cylinder transfer port 1.
5 are formed.

With the above configuration, the paddy conveyed by the bottom screw conveyor 9 is continuously transported upward by the filing screw conveyor 13 in the fryer cylinder 10, and is transferred by the fryer cylinder impeller 14 to the fryer cylinder. It is discharged from the port 15 into a tank-side inner cylinder 20 described later.

On the grain tank 30 side of the fryer cylinder 10, a cylindrical fryer outer cylinder 16 is formed along the fryer cylinder 10. The fried outer cylinder 16 has a hexagonal horizontal cross section at least on the inner wall, and is integral with the fried outer cylinder 10. The space in the outer shell 16 is in communication with the inner shell 10 via the transfer port 15.

A tank-side inner cylinder 20 is inserted into the fried outer cylinder 16 so as to be non-rotatable and slidable up and down. For this reason, the outer shape of the tank-side inner cylinder 20 has a hexagonal horizontal cross section. It is. The tank-side inner cylinder 20 is fixed to the upper tank portion 30a of the Glen tank 30 described later,
6 and communicate with the inside of the Glen tank 30. Also,
Paddy receiving slits 21 are formed at the upper and lower sides of the tank-side inner tube 20 on the side of the picking tube 10 so that paddy can be received from the transferring port 15 of the picking tube. However, a filter is arranged such that the paddy once entering the tank-side inner cylinder 20 does not leak outside through the paddy receiving slit 21.

Further, a tank-side conveyor drive shaft 22 is provided at the axial position of the tank-side inner cylinder 20 so as to penetrate the frying outer cylinder 16. The tank-side conveyor drive shaft 22 is axially mounted on the bottom of the fried outer cylinder 16, penetrates the bottom plate of the tank-side inner cylinder 20, and is spline-connected to the tank-side screw shaft cylinder 23 in the tank-side inner cylinder 20. . The tank-side screw shaft cylinder 23 has a tank-side screw conveyor 24 formed on the outer periphery thereof, and is rotatably provided at an axial position of the tank-side inner cylinder 20. Driven.

At the lower end of the tank-side conveyor drive shaft 22, a bevel gear 22
a is provided. The bevel gear 22a meshes with the drive bevel gear 8a. That is, the rotation of the bottom rotating shaft 8 is interlocked with the rotation of the tank-side conveyor drive shaft 22 to rotate the tank-side screw conveyor 24. Further, a tank input impeller 25 is provided at an upper end position of the tank-side screw shaft cylinder 23, and a tank input port 26 is formed near the tank input impeller 25.

With the above configuration, the upper tank portion 30a to be described later
Is moved upward, even if the tank-side inner cylinder 20 integrated with the upper tank portion 30a moves upward, the paddy sent out from the inside of the fryer cylinder 10 passes through the chaff receiving slit 21 from the fryer cylinder transfer port 15. Is transferred into the tank-side inner cylinder 20 and
The paddy that has reached the inside is sent out to the tank input impeller 25 side by the tank-side screw conveyor 24, and the tank input port 2
6 to the upper tank 30a.

In the present embodiment, the Glen tank 30 disposed adjacent to the threshing device 3 on the main body frame 7 is provided with an upper tank portion 3.
0a and the lower tank portion 30b, and as a whole, as shown in FIGS.

The lower tank portion 30b is supported on the main body frame 7 by a lower tank support portion 31, and the lower portion is formed as tapered inclined portions 32, 32 on the left and right sides, and a discharge screw 33 is disposed at the lower bottom portion. In addition, a guide hood 34 is provided at an upper portion thereof. In addition, the inclined portion 3
As shown in FIG. 3, four guide pipes 35 are implanted in 2. It is desirable to set the upper end positions of these guide pipes 35 slightly higher than the upper edge of the lower tank portion 30b in order to insert the insertion rod 36 described later.

As shown in FIG. 1, the upper tank portion 30a, which is vertically slidably fitted to the lower tank portion 30b, is formed to be slightly smaller than the lower tank portion 30b, and has an open bottom surface. It is formed in a box shape. The upper end of the tank-side inner cylinder 20 is connected to an upper portion of one side of the threshing device 3. Also, the lower tank section 3 is provided in the upper tank section 30a.
Four insertion rods 36 are provided at positions corresponding to the guide pipes 35 in 0b. When the upper tank 30a is fitted to the lower tank 30b and moved downward,
The insertion rod 36 is inserted into the guide pipe 35, and as a result, the position of the upper tank 30a is specified and the upper tank 3
0a is formed to guide the downward movement. When the insertion rod 36 is formed in the lower tank 30b, the guide pipe 35 may be provided in the upper tank 30a.

The upper tank 30a has an upward movement mechanism (see FIG. 1 upper tank 30a ') in which the upper tank 30a is moved upward in accordance with the amount of paddy stored in the Glen tank 30. (Not shown). Upward movement measures the amount of paddy in the Glen tank 30 (for example, weight sensing of the total amount of paddy,
The amount of paddy is measured by sensing the storage height, the elapsed time from the start of storage, the travel distance of the combine, or the operator's visual observation, or a combination thereof), and the paddy is moved up in accordance with this. The upward movement mechanism is vertically operated by an electric cylinder, a hydraulic pressure, a motor, an actuator, or the like.

Further, paddy receiving plates 37 are provided at the lower portions of the four inner walls of the upper tank portion 30a such that the ends thereof are inclined downward. The paddy receiving plate 37 has a function of weakening the impact force applied to the paddy by once receiving the falling paddy, and additionally has a reinforcing effect (increased rigidity) of the upper tank portion 30a. When the paddle receiving plate 37 is brought into contact with the guide pipe 35, a function of supporting the guide pipe 35 can be expected. In addition, the paddy receiving plate 37 may be only two surfaces or only one surface of the inner wall of the upper tank portion 30a, and the adjacent paddy receiving plate 37 may be arranged in a connected state.

According to the above configuration, the rice hulled by the threshing device 3 in accordance with the harvesting operation by the combiner is smoothly transferred to the Glen tank 30 by the bottom screw conveyor 9, the threshing screw conveyor 13, and the tank-side screw conveyor 24. Transported and stored. Upper tank 3
Since the paddy pad 37 is provided at 0a, the inputted paddy is temporarily received by the paddle receiving plate 37, and the drop impact force on the paddy can be suppressed. In addition, as the amount of paddy stored in the Glen tank 30 increases, the upper tank portion 30a of the Glen tank 30 moves upward to increase the storage space.

According to the above embodiment, the tank capacity can be increased by extending the upper tank portion 30a upward during work. In addition, since the falling height of the paddy is kept below a certain level, there is no quality deterioration such as cracking of the body. When storing the combine, the size of the Glen tank 30 can be reduced as needed. Further, when the paddy does not flow in the Glen tank 30, the paddle receiving plate 37 acts by raising and lowering the upper tank portion 30a, thereby enabling discharge. In addition, the paddy receiving plate 37 makes it easy for the flow of the paddy to reduce the amount of damaged rice.

In the above embodiment, the Glen tank 30 is composed of the upper tank part 30a and the lower tank part 30b.
Further, it may be divided into a number of tank portions. In the above embodiment, the upper tank is moved up according to the amount of stored paddy. Conversely, the upper tank is fixed, and the lower tank is moved down according to the stored amount of paddy. You may do so. In this case, there is an additional effect that the screw device for transferring paddy is simplified. In the claims,
In order to clarify the correspondence with the embodiment, reference numerals are attached to the drawings, but the present invention is not limited thereto.

[0028]

According to the present invention, the following effects can be obtained by the above configuration. 1. According to the invention as set forth in claim 1, the Glen tank is divided vertically into a plurality of tank portions, and the Glen tank portions are made to be able to expand and contract with each other, and the topmost tank portion is provided with an inlet for paddy, By maintaining the falling height of the paddy below the set height even if the tank extends, the paddy capacity can be increased and the occurrence of cracks in the paddy can be reduced.

2. According to the invention as set forth in claim 2, in addition to the above-mentioned effects, in sliding the vertically adjacent tank portions mutually, an insertion rod is formed in one tank portion, and a guide pipe is formed in the tank portion on the other side, By guiding the insertion rod to the guide pipe, the mutual sliding of the tank parts is performed smoothly,
It is intended to store rice smoothly. 3. According to the third aspect of the present invention, the first or second aspect is provided.
In addition to the effects of the invention, the paddle receiving plate is provided at the lower inner periphery of the tank portion other than the lowermost tank portion so as to be inclined downward, so that the impact of the falling of the paddy is further reduced and the Glen tank is configured. It is intended to reinforce members to be formed.

4. According to the invention as set forth in claim 4, in addition to the effect of any one of the above-mentioned inventions, the Glen tank is divided vertically into two parts, and the upper tank part is vertically divided with respect to the lower tank part. By being slidable, the paddy capacity can be increased with a simple configuration, and the occurrence of “body cracks” of the paddy can be reduced. 5. According to the fifth aspect of the invention, in addition to the effects of any one of the first to fourth aspects, a tank-side screw conveyor is erected on the uppermost tank portion, and the bottom-side screw conveyor of the threshing apparatus is provided. The transferred paddy is smoothly transferred from the threshing device to the Glen tank by transferring the discharged paddy to the Glen tank via the lifting screw conveyor and the tank-side screw conveyor provided continuously to the bottom screw conveyor. Can be made.

6. According to the sixth aspect of the invention, in addition to the effects of any one of the first to third aspects, the vertical position of the uppermost tank portion is fixed, and the tank portion below the uppermost tank portion is fixed. By lowering the paddy according to the stored amount of paddy, the falling height of the paddy is kept below the set height,
Moreover, the transfer of the paddy from the threshing device to the Glen tank can be performed with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional view (A in FIG. 2) according to an embodiment of the present invention.
-A sectional view).

FIG. 2 is a schematic plan view of a main part of the embodiment.

FIG. 3 is a schematic perspective view of a main part of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Cutting part 2 ... Conveying device 3 ... Threshing device 3a ... Handling cylinder 4 ... Driver seat 5 ... Engine part 7 ... Main body frame 8 ... Bottom rotation shaft 8a: Drive bevel gear 9: Bottom screw conveyer 10, fried cylinder 11, fried conveyor shaft 12, fried shaft bevel gear 13, fried screw conveyor 14, fried cylinder impeller 15,・ Flying cylinder transfer port 16 ・ ・ Flying outer cylinder 20 ・ ・ Tank side inner cylinder 21 ・ ・ Rice receiving slit 22 ・ ・ Tank side conveyor drive shaft 22a ・ ・ Bevel gear 23 ・ ・ Tank side screw shaft cylinder 24 ・ ・ Tank Side screw conveyor 25 Tank impeller 26 Tank inlet 30 Glen tank 30a Upper tank 30a '(upwardly moved) Upper tank 30b Lower tank 31 Lower tank Sandwiching member 32 ... inclined portion 33 ... out screw 34 ... guide hood 35 ... guide pipe 36 ... insertion rod 37 .. rice receiving plate

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kojiro Shimada 428 Enami, Okayama City, Okayama Pref. MC02 MC07 ME05 ME16 MJ05

Claims (6)

[Claims] 1. A grain tank 30 is vertically divided into a plurality of tank sections, each of which is capable of extending and contracting with each other, and a pad 2 for paddy filling in a top tank section.
6. A combined grain tank, wherein the grain height of the paddy is maintained even if the grain tank 30 extends. 2. When the vertically adjacent tank portions are slid relative to each other, an insertion rod 36 is formed in one of the tank portions and a guide pipe 35 is formed in the other tank portion, and the insertion rod 36 is guided to the guide pipe 35. The Glen tank according to claim 1, wherein the combine is operated. 3. The combine tank according to claim 1, wherein the paddy receiving plate 37 is provided to be inclined downward on an inner periphery below the tank portion other than the lowermost tank portion. 4. The combine as claimed in claim 1, wherein the Glen tank 30 is vertically divided into two parts, and the upper tank part 30a is slidable up and down with respect to the lower tank part 30b.
3. Any one of the Glen tanks described in 3. 5. A screw screw conveyor 24 attached to a tank side screw conveyor 24 provided at the uppermost tank portion, and paddy discharged from the bottom screw conveyor 9 of the threshing device 3 is continuously provided to the bottom screw conveyor 9. And transferring to the Glen tank via the tank-side screw conveyor (24).
5. The Glen tank according to any one of items 4 to 4. 6. The combine according to claim 1, wherein the upper and lower tank portions are fixed in a vertical position, and a tank portion below the uppermost tank portion is moved downward in accordance with the amount of stored paddy. 3. Any one of the Glen tanks described in 3.