JP2001069848A - Grain tank with waste discharging duct in grain harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject grain tank additionally provided with a positive dust removing method without being influenced by the wind direction by composing the grain tank so as to deliver dust in the grain tank according to a specific method. SOLUTION: This grain tank 12 in a grain harvester comprising a threshing device and a driver's seat, etc., loaded on a frame having mobile devices, a pretreating device comprising a reaping device and a grain clum conveying device, etc., and arranged at the front and the grain tank 12 for temporarily storing grains installed on the other side of the threshing device is composed so as to deliver dust in the grain tank 12 with an exhaust gas of an engine. A grain discharging port 8a opened to the grain tank 12 can be composed so as not to be below the lower side position of a grain charging port 11a of a grain elevating conveyor 11 so that the dust in the grain tank 12 is delivered with the exhaust gas of the engine.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a threshing device, a cab and the like mounted on a machine base having a traveling device, and a pre-processing device including a mowing device and a cereal culm conveying device disposed at a front portion thereof. The present invention relates to a grain harvester in which a grain tank for temporarily storing grains is arranged on the other side of the threshing apparatus, and a grain tank equipped with a dust discharge duct.

[0002]

2. Description of the Related Art When the internal pressure of a grain tank of a conventional grain harvester rises due to the filling of grains, dust blows out from a gap between the grain cover and the grain tank. It is generally known that dust is blown toward the driver by the driver, so an air hole is opened in the upper rear part of the grain tank to prevent the internal pressure from rising.
There is a potential problem of scattering dust backward.

[0003]

In a configuration such as the prior art, when a grain is filled in a grain tank, dust is blown out from an air hole, and the dust also blows toward the driver depending on the wind direction. It has not solved the problem. In view of such circumstances, the present invention is to provide a grain harvester having a grain tank provided with an aggressive dust removal method that is not influenced by the wind direction.

[0004]

A threshing device, a cab and the like are mounted on a machine base having a traveling device, and a pre-processing device including a mowing device and a grain culm transport device is disposed at a front portion. On the other side of the device, in a grain harvester provided with a grain tank for temporarily storing grains, the dust in the grain tank,
A dust duct is attached to the grain tank so that the dust can be derived using the exhaust gas of the engine, the dust duct is communicated with the exhaust path of the engine, and the exhaust gas flow of the exhaust gas is used. The dust was forcibly derived.

[0005] In the above-mentioned grain harvester, a dust outlet opened in the grain tank is fed to the grain conveyor of the graining conveyor so that the dust in the grain tank is led out using the exhaust gas of the engine. Arrange so that it is not below the lower side of the mouth,
The structure is such that the dust outlet is not closed even when the grain becomes full in the grain tank, so that the dust discharging action in the grain tank is smoothed.

In the grain harvester described above, bellows are attached to a dust duct attached to the grain tank so that dust in the grain tank is led out by using exhaust gas of an engine. And a rotation operation of the grain tank pivotally attached to the machine body via a rotation shaft is configured to be smooth.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of a dust duct and a grain tank, which are main parts of the present invention, and shows an arrangement position of the dust duct with respect to the grain tank in a side view. FIG. 2 is a plan view showing a dust duct and a grain tank which are main parts of the present invention. FIG. 3 is a vertical sectional view of the dust outlet and the dust duct,
4 is an overall right side view of the combine according to the embodiment of the present invention, FIG. 5 is an overall left side view of the combine according to the embodiment of the present invention, and FIG. 6 is an overall plan view of the combine according to the embodiment of the present invention. FIG.

An overall configuration of a combine according to an embodiment of the present invention will be described with reference to FIGS. The machine (2) is placed on the crawler-type traveling device (1), and the raising and cutting device (A) can be raised and lowered in front of the machine (2) via the hydraulic device (17). The raising and reaping device (A) projects a weeding plate (3) at the front end to sown the culm, and a raising device (4) is provided at the rear thereof to raise the raising device (A). The raising tine of 4) circulates to raise the cereal culm, and cuts the root of the cultivar with the cutting blade (5) arranged at the rear of the weeding board (3), and the culm conveying device (6).
To the rear. From the end of the grain culm transport device (6), the root of the grain culm is passed to the feed chain (7), and the grain culm is carried into the threshing device (B). Further, a straw chain (26) is provided at the end of the feed chain (7), and a straw cutter device (53) is provided below the rear of the straw chain (26). The straw is cut and released into the field.

As shown in any of FIGS. 4 to 6, a grain tank (12) for temporarily storing the sorted kernels is provided beside the threshing apparatus (B). A driver's cab (9) is disposed in front of the tank (12), and the driver's cab (9) is
a) An operation column (9c) and a driver's seat (9b) are mounted on the upper part, and the driver's seat (9b) is equipped with an engine room (16) in which an engine (E) is placed below. Are integrally formed. A vertical auger (18a) constituting a grain discharge auger (18) is provided upright at the rear of the grain tank (12), and a vertical auger (18a) is provided at the bottom of the grain tank (12). A conveyor (13) is installed in the front-rear direction, and is rotated by power to transfer the grains. Also, power is transmitted from the discharge conveyor (13) to the grain discharge auger (18), and the vertical auger (18a) is transmitted.
The grain in the grain tank (12) is carried out to the truck or the like from the tip of the horizontal auger (18b) via the transfer section (18c).

Therefore, the dust duct (8) according to the present invention is provided.
The configuration of the grain tank (12) will be described. As shown in FIG. 1 or FIG. 3, a grain scattering prevention net (8b) is extended above the grain tank (12) above the grain outlet (11a) of the frying conveyor (11). Exhaust port (8a)
And a dust duct (8) is connected to the dust outlet (8a), and the dust duct (8) is extended toward the lower side of the grain tank (12). It is fixed to the tank (12).

Further, the grain tank (12) has an upper lid (1).
9) is pivotally mounted so as to be able to open and close up and down, and is pivotally attached to the rear part of the body via a rotating shaft so as to be rotatable in the lateral direction.
Therefore, as shown in FIGS. 1 and 2, the dust duct (8) is provided with a bellows (14) and is configured to be extendable and contractible to facilitate the turning operation of the grain tank (12).

As shown in FIGS. 1 and 2, an exhaust duct (8) extending downward from the grain tank (12) is an engine extending below the grain tank (12). It is connected to the exhaust pipe (15) of (E) via a pipe joint (10) to form a flow path in which the exhaust path and the exhaust duct (8) are communicated. On the other hand, when the grain is filled in the grain tank (12), the air in the grain tank (12) flows from the dust outlet (8a) through the dust outlet (8a) while floating the dust by the pressure of the grain. When the exhaust gas flows into (8) and is extruded, and the exhaust gas of the engine (E) is further injected into the flow path, the pressure of the dust exhaust duct (8) becomes negative, and the air in which the dust is suspended is exhausted. Since the air flow is led out to the pipe (15) side and the air flow is urged and discharged, the dust in the grain tank (12) is effectively discharged in the direction of arrow a.

When the grain tank (12) is full of grains, the paddy sensor (27) is activated by the pressure of the grains, and a buzzer (not shown) attached separately issues an alarm. However, there is a problem that if the internal pressure rises as the grain is filled in the grain tank (12), the rice sensor (27) malfunctions and a buzzer sounds an alarm, but FIG. The problem can be solved by opening the dust outlet (8a) in the grain tank (12) as shown in FIG.

The threshing section (20) of the threshing apparatus (B) will be described with reference to FIG. (21) is the handling cylinder (2
Reference numeral 2) denotes a handling chamber in which the processing chamber (24) is provided with a built-in shaft in the front-rear direction. The handling room (21) and the processing room (23) communicate with each other through a dust outlet (25) also shown in FIG. The net is mounted in an arc shape with a gap kept relatively to the handling cylinder (22) or the processing cylinder (24).

Further, below the handling room (21) and the processing room (23), a sorting device (30) is arranged as shown in FIG. 5, and the sorting device (30) is provided with a swing sorting unit (31). ) And a wind selection unit (33) composed of a compressed air fan (32) and a wind selection unit (33) to sort the first thing, the unfinished second thing, the straw waste, etc., which have completed the threshing process. A dust chamber (34) is integrally formed behind the handling chamber (21) and inside the processing chamber (23), as shown in FIG. 6, and is provided outside the outlet of the dust chamber (34). A fan case (44) having a built-in suction / dust fan is mounted on the wall.

On the other hand, as shown in FIG.
The compressed air fan (32) installed in the front part of (3) blows out the sorting wind toward the dust chamber (34), and the rocking sorting part (31) is above the threshing part (20). The husks, which are mounted over the entire width, swing back and forth and fall from the threshing unit (20), are subjected to specific gravity sorting based on the threshing, and the husks which have been threshed and sorted in cooperation with the sifting by the sorting wind are collected. Special gutter (36)
To collect. The first gutter (36) is bridged in the left-right direction, and the collected grains are passed through the first conveyor shafted inward by the frying conveyor (11) shown in FIG. It is configured to be transferred to.

As shown in FIG. 5, a second gutter (37) is connected in parallel behind the first gutter (36), and the second gutter (37) is separated from straw waste while being sorted. Incomplete threshing, a group of kernels with branch stalks is collected, returned to the front of the oscillating sorting unit (31) via a second conveyor mounted inside, and sorted again.
Only the grains are collected.

The grains reprocessed by the processing cylinder (24) leak from the receiving net and are collected in the first gutter (36), and the dust is discharged from the dust discharge outlet to the swing sorter (31). It is returned to the rear and re-sorted into grains and straw waste. The straw dust is repelled by the swaying motion of the sieving line in the dust chamber (34) shown in FIG. 6, and is passed through the suction dust fan mounted on the outlet outside wall of the dust chamber (34). The fan case (44) is configured to be discharged outside the machine.

The swing sorter (31) has a structure in which the grain pan extends rearward and is mounted on the entire width of the handling cylinder (21) and the processing cylinder (23). Further, a two-stage upper and lower grader is fixed to the rear, and a chaff-sheave is disposed above the glenshive.
In addition to the oscillating motion of 1), a sieving line that makes an oscillating motion independently is connected.

An upper surface cover (38) for covering the upper surface of the handling room (21) is turned up and down via a shaft pivotally attached to the handling room side plate so as to be freely opened and closed. A dust chamber (34) is integrally formed above the rear part of the sorting device (30) behind the handling chamber (21), and an upper part of the dust chamber (34) is a final part of the straw discharging step. A straw chain (26) is provided, and the straw chain (26) is configured so that the straw is inherited by a straw cutter device (53) arranged at the rear.

With such a structure, the dust outlet (8a) is opened so that the grain tank (12) does not generate an internal pressure due to the filling of the grain, so that the gap from the upper lid (19) can be removed. Dust blowing is prevented, and the upper surface of the grain tank (12) can be prevented from being soiled. Dust is guided to the dust exhaust duct (8), and the exhaust of the engine (E) from below the grain tank (12). Derived by gas. Moreover, since the internal pressure accompanying the filling of the grain is not generated in the grain tank (12) as described above, malfunction of the paddy sensor (27) can be prevented, and the dust discharge port (8a) is further connected to the grain conveyor ( 11) Grain outlet (11)
a) Since it is arranged at a higher position, the dust outlet (8a) is not closed even when the grain is full.

[0022]

As described above, the present invention has the following effects. A threshing device (B), a driver's cab (9), etc. are mounted on a machine base (2) having a traveling device (1), and a mowing device (A), a grain culm transport device (6), etc. are provided at the front. A pretreatment device is provided, and a grain tank (1) for temporarily storing grains is provided on the other side of the threshing device (B).
In the grain harvester provided with 2), the dust in the grain tank (12) is configured to be led out using the exhaust gas of the engine (E), so that the grain tank ( It is possible to forcibly and continuously extract and discharge dust generated as the grain is filled in 12) through the exhaust duct (8) without staying due to the flow of the exhaust gas jet. it can. Also, since no internal pressure is generated due to the filling of the grains, dust is not blown out from the gap with the top lid (19), and the upper surface of the grain tank (12) is not stained, and the dust does not fall on the driver due to the wind direction. , Clean harvesting can be performed.

A threshing device (B), a driver's cab (9) and the like are mounted on a machine base (2) having a traveling device (1), and a mowing device (A) and a grain culm conveying device (6) are provided at the front. A grain harvester in which a pretreatment device including a grain tank (12) for temporarily storing grains is arranged on the other side of the threshing device (B). The dust outlet (8a) opened in the grain tank (12) is connected to the grain of the graining conveyor (11) so that the dust in (12) is derived using the exhaust gas of the engine (E). The dust outlet (8a) is not closed even when the grain is full in the grain tank (12) because it is configured not to be lower than the lower side position of the spout (11a).
Dust can be discharged smoothly.

A threshing device (B), a driver's cab (9) and the like are mounted on a machine base (2) having a traveling device (1), and a mowing device (A) and a grain culm conveying device (6) are provided at the front. A grain harvester in which a pretreatment device comprising a grain tank (12) for temporarily storing grains is arranged on the other side of the threshing device (B). Dust in the tank (12)
The dust duct (8) attached to the grain tank (12) is configured to be extendable and retractable so as to be extracted using the exhaust gas of the engine (E). The dust discharging operation in the grain tank (12) can be made smooth without obstructing the operation.

[Brief description of the drawings]

FIG. 1 is a side view of a dust duct and a grain tank, which are main parts of the present invention.

FIG. 2 is a plan view of a dust discharge duct and a grain tank, which are main parts of the present invention.

FIG. 3 is a vertical sectional view of a dust outlet and a dust duct which are main parts of the present invention.

FIG. 4 is an overall right side view of a combine according to an embodiment of the present invention.

FIG. 5 is an overall left side view of a combine according to an embodiment of the present invention.

FIG. 6 is an overall plan view of a combine according to an embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List A Raising and cutting device B Threshing device E Engine 1 Traveling device 8 Dust duct 8a Dust outlet 8b Grain scattering prevention net 9 Driving cab 9a Floor stand 9b Driving seat 9c Operation column 10 Fitting 12 Grain tank 14 Bellows 15 Exhaust Pipe 19 Top lid 20 Threshing section 22 Handling cylinder 31 Swing sorting section 33 Wind sorting section

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference) 2B095 AA01 AA02 AA07 AA12 BA03 BA11 BA21 BA25 CA02 EB11 EB16 EB29 EB31 2B396 JA04 JC07 KC05 KE02 KE03 KE04 LA03 LE02 LE03 LP03 LP08 LP12 LP17 LR02 LR08 MC13 MC07 MA07 MG02 MG04 ML06

Claims (3)

[Claims] 1. A threshing device (B), a driver's cab (9) and the like are mounted on a machine base (2) having a traveling device (1), and a mowing device (A) and a grain culm conveying device (6) are provided at the front. ) And a grain harvester in which a grain tank (12) for temporarily storing grains is arranged on the other side of the threshing apparatus (B). 12) A grain tank with a dust exhaust duct in a grain harvester, wherein the dust in the inside is derived by exhaust gas of the engine (E). 2. A threshing device (B), a driver's cab (9) and the like are mounted on a machine base (2) having a traveling device (1), and a mowing device (A) and a grain culm conveying device (6) are provided at the front. A grain harvesting machine provided with a pretreatment device comprising a grain tank (12) for temporarily storing grains on the other side of the threshing device (B). The dust outlet (8a) opened in the grain tank (12) is fed to the grain conveyor (11) so that the dust in (12) is derived using the exhaust gas of the engine (E). A grain tank with a dust exhaust duct in a grain harvester, wherein the grain tank is configured not to be lower than a lower side position of a mouth (11a). 3. A threshing device (B), a cab (9) and the like are mounted on a machine base (2) having a traveling device (1), and a mowing device (A) and a cereal culm conveying device (6) are provided at the front. A grain harvesting machine provided with a pretreatment device comprising a grain tank (12) for temporarily storing grains on the other side of the threshing device (B). The dust duct (8) attached to the grain tank (12) is configured to be extendable and contractable so that the dust in (12) is led out using the exhaust gas of the engine (E). Grain tank with dust duct in grain harvester.