JP2002078414A - Threshing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a feed chain stretched at one side of a threshing chamber is conventionally constituted in such a way that the feed chain is rocked and opened and closed around a vertical shaft center in the vertical direction with its starting end side or its end side as a support so as to facilitate maintenance in the longitudinal direction, so that a wide rocking space is required and a maintenance operation cannot be carried out if the feed chain is widely opened. SOLUTION: This threshing apparatus is characterized in that the threshing apparatus is a feed chain which is wound and stretched between a driving shaft and a driven shaft at one side of the threshing chamber and can be rocked and opened and closed around a rotary fulcral shaft in parallel with the ddddof the feed chain.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a combine
The threshing device mounted on a harvester such as a Vester belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, in this type of threshing apparatus, a feed chain stretched on one side of a handling drum chamber is provided with a starting point or a terminating point as a fulcrum in order to facilitate maintenance. It is configured to swing open and close around the vertical axis.

[0003]

Such a feed chain is long in the front-rear direction and swings open and close around a vertical axis centered at one end, so that a wide swing space is required. There was a problem that the maintenance work could not be easily performed unless the door was largely opened.

[0004]

The present invention takes the following technical means in order to solve the above-mentioned problems. That is, the first specific means in the present invention is a feed chain which is stretched and stretched between a drive shaft and a driven shaft on one side of a handling drum chamber, and is located near a position below the feed chain. It is characterized in that it can swing open and close around a rotation fulcrum axis parallel to the handling cylinder axis direction. by this,
The feed chain can swing open and close in a relatively narrow space, and can be largely opened in a narrow space.

According to a second specific means of the present invention, in addition to the first specific means, a drive shaft for driving the feed chain is provided with a removably engageable pawl clutch for interrupting the driving force. It is characterized by being interposed. Thus, the feed chain can be easily opened and closed with one touch.

According to a third specific means of the present invention, in addition to the second specific means, the rotation fulcrum shaft of the feed chain is a lower portion substantially co-linear with a meshing opposing portion of the meshing pawl clutch. Is set. According to this, even when the feed chain is released, the center of the opposed meshing pawl clutch does not shift, so that
The connection and disconnection of the clutch at the time of opening and closing can be performed smoothly and reliably.

[0007]

In short, according to the present invention, the feed chain is configured to swing open and close around a fulcrum axis parallel to the handle cylinder axis set at the lower position, so that the feed chain is wider than the conventional one. The swinging space is not required, the opening can be largely opened even in a relatively narrow space, and maintenance can be facilitated.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. First, the configuration of the combine shown in FIG. 1 will be described. On a vehicle body 2 provided with a traveling crawler 1, a movable mowing section 3 is mounted at a front portion, and a threshing device 4 is mounted at a rear portion. An operating unit 5 is installed on the side of the reaping unit 3, and a Glen tank 6 is provided behind the operating unit 5.

Next, the configuration of the threshing apparatus 4 will be described. A receiving net 9 is stretched along the lower half of the handling cylinder room 8 in which the handling cylinder 7 is mounted on an interior shaft. Reference numeral 10 denotes a handle cover which covers an upper portion of the handle chamber 8, and is configured to be capable of swinging open and close around an axis parallel to the handle shaft 7a direction.

On one side of the handling chamber 8, a feed chain 11 for holding and transporting the grain culm and a holding rail 11 provided on the upper side thereof.
a is provided. This gripping rail 11a has a handle cover.
It is configured to be mounted on the side 10 and swing open and closed together with the cover. The feed chain 11 is stretched so as to be rotatable between the driving sprocket 12 and the driven sprockets 13 and 13, and is integrally formed by a chain rail 14, a chain supporting frame 15, a net holding frame 16, and the like. The structure is supported by the framework. The feed chain 11 configured as described above is configured to swing open and close about a fulcrum shaft 17 provided in a lower position and parallel to the handle cylinder shaft 7a.

A drive shaft 18 for rotating and driving the drive sprocket 12 is provided with a meshing pawl clutch 19 for intermittently rotating drive force to the feed chain. The meshing pawl clutch 19 includes a driving-side pawl clutch body 19a and a driven-side pawl clutch body 19b, and is configured to be capable of being fitted and disengaged.

[0012] The drive-side claw clutch member 19a has an inclined portion 19a ₁ of the mountain-shaped, and forms a flat surface 19a ₂ in the inclined portion 19a _1. The driven pawl clutch body 19b has a structure integrally formed in the drive sprocket 12. In other words, the inclined surface 19b in the recess 12a provided in the interior of the sprocket 12 ₁ and the flat surface 1
Claw clutch element 19b having 9b ₂ is a configuration which projects a.

By making the pawl clutch body inclined, the pawl width is widened and the diameter of the mating sprocket is enlarged. The configuration is such that the claws enter the inside of the sprocket, so the claws are small, but in order to compensate for the lack of strength, the claws are flattened to ensure the length of the claws.

The driving sprocket 12 has a fulcrum shaft 17.
A shaft 21 fixed to a rotating frame 20 which rotates around a fulcrum
It is erected in. The fulcrum shaft 17 is located substantially on the same line (Y) as the meshing opposing portion of the meshing pawl clutch 19 and is set therebelow, so that the engaging / disengaging operation of the meshing pawl clutch when opening and closing the feed chain is performed. Is performed smoothly.

The fulcrum shaft 17 is connected to a transmission cable on the machine body side.
The support member 23 is attached to and supported by the switch 22. The lock on the fuselage after the feed chain is closed is configured to be fastened and fixed to the fuselage side via knob bolts 24 at the front side and the rear side of the chain rail 14.

Next, the sorting section (FIG. 12) of the threshing apparatus will be described. An oscillating sorting apparatus 25 is provided below the handling chamber 8 so as to be swingable, and further below the sorting chamber 25 in the sorting direction. In order from the upper side, a sorting chamber 30 is arranged in which a karamino 26, a first transfer spiral 27, a second transfer spiral 28, and a suction / dust fan 29 are disposed above. Suction dust exhaust fan 29
Is provided with a continuously variable transmission 31 for increasing and decreasing the suction force.

The swing sorting apparatus 25 arranges the transfer shelf 32, the chaff sheave 33, and the straw rack 34 in this order from the upper side in the sorting direction, and arranges the grain 35 below the chaff sheave 33. And provided integrally,
The function of sorting threshing material that has leaked from the handling drum chamber 8 is performed by the synergistic action of the sorting wind and the swinging by the suction exhaust fan 6 and suction fan 6.

Above the transfer shelf 32, there is provided a straw waste detecting device 36 for detecting the amount of straw waste (impurities). Based on the detected straw waste amount, a controller and a continuously variable transmission are provided. The suction force of the suction / discharge fan 29 is increased or decreased through the 31. That is, when the amount of straw waste increases on the transfer shelf 32, the number of rotations is increased so that the suction force of the suction / dust exhaust fan 29 is increased, and a large amount of straw waste is sucked into the suction / dust exhaust fan and the outside of the machine is removed. Is configured to perform the discharge processing.

Next, the operation of the combine mounted on the threshing apparatus having the above-described configuration will be described. First, the grain culm in the field is cut by the cutting unit 3 at the front position of the advancing machine, is conveyed upward, is inherited by the feed chain 11, and is then supplied to the threshing device 4. The culm is fed to the handling drum chamber 8 while being transported with the root of the grain held by the feed chain 11, and is subjected to threshing action by the rotating handling drum 7.

When performing cleaning and maintenance of the handling cylinder room and the sorting room, the clamping rail 11a is opened upward together with the handling cylinder cover 10, and the feed chain 11 swings downward with the fulcrum shaft 17 as a fulcrum. Open. Therefore, especially, since the handling cylinder room is largely opened, clogged grain stalks, straw chips, and the like can be easily removed. At this time, a part of the sorting chamber is also opened, so that the swing sorting shelf can be easily cleaned.

[Brief description of the drawings]

FIG. 1 is a side view of an embodiment of the present invention.

FIG. 2 is a front view of the embodiment of the present invention.

FIG. 3 is a side view of the embodiment of the present invention.

FIG. 4 is a side view of a main part according to the embodiment of the present invention.

FIG. 5 is an embodiment of the present invention and is a front view of a main part.

FIG. 6 is an embodiment of the present invention and is a cutaway front view of a main part.

FIG. 7 is an embodiment of the present invention and is a cutaway front view of a main part.

FIG. 8 is a side view of an essential part of an embodiment of the present invention.

FIG. 9 is a side view of a main part according to the embodiment of the present invention.

FIG. 10 is an embodiment of the present invention and is a cutaway front view of a main part.

FIG. 11 is a perspective view of a main part, which is an embodiment of the present invention.

FIG. 12 is an embodiment of the present invention and is a cutaway side view of a main part.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 traveling cradle 2 body 3 reaping section 4 threshing device 5 operating section 6 glen tank 7 handling cylinder 8 handling cylinder room 9 receiving net 10 handling cylinder cover 11 feed chain 11a clamping rail
12 Drive sprocket 13 Follower sprocket 14 Chain rail 15 Support frame 16 Mesh holding frame 17 Support shaft 18 Drive shaft 19 Meshing pawl clutch 20 Rotating frame 21 Shaft 22 Transmission case 23 Support member 24 Knob bolt

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Shin Futami No. 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. F-term (reference) 2B076 AA03 BA08 DA09 DB06

Claims (3)

[Claims] 1. A feed chain which is stretched over one side of a handling drum chamber between a drive shaft and a driven shaft,
A threshing apparatus characterized in that it is configured to be able to swing open and close around a rotation fulcrum axis parallel to the axis of the handling cylinder near a position below the feed chain. 2. A threshing apparatus according to claim 1, wherein a drive shaft for rotating and driving said feed chain is provided with a releasable meshing claw clutch for intermittently driving the driving force. 3. The threshing apparatus according to claim 2, wherein the rotation fulcrum shaft of the feed chain is set at a substantially co-linear lower portion of a meshing opposing portion of the meshing pawl clutch.