JP2001292628A - Secondary threshing apparatus of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To streamline work by quickly detecting a blocked condition of processed crops in both of a secondary threshing apparatus and a secondary returning elevator and by dealing with the situation by the occurrence of blockade. SOLUTION: A secondary threshing apparatus of a combine harvester is characterized by installing a blockade sensor 2 for detecting the blockade by secondary processed crops in a secondary threshing chamber 1 for receiving and processing secondary returned crops.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a second threshing apparatus for combine harvesters, which is intended to quickly detect a processing situation in a second processing chamber for threshing a second product and to cope with it.

[0002]

2. Description of the Related Art As a technique for detecting clogging of a second processed material, a technique of providing a clogging sensor in a second reduction fryer for frying a second processed material into a second processing room is known.

[0003]

In the case of a small combine, mowing or threshing of wet grain culm is often performed, and when the amount of reduction of the second product increases, the number of the second product in the second processing chamber increases. In addition, increasing the processing resistance in the second processing room, affecting the auger-type second reduction fryer,
In the second reduction frying machine, the second thing adheres like a rice cake or is easily clogged. In this case, it takes time and effort to clean the second reduction machine and the second processing chamber.

[0004]

According to the first aspect of the present invention, a clogging center 2 for detecting clogging of a second processed material is provided in a second processing chamber 1 for receiving and processing a second reduced material. This is the configuration of the second threshing machine of the combine.

[0005] The invention described in claim 2 is characterized in that the clogging sensor 2 is mounted on a chamber lid 3 that can open and close the second processing chamber 1. Further, the invention according to claim 3 is characterized in that the engine 4 or the traveling device 5 for driving the combine is stopped by the detection by the clogging sensor 2.

[0006]

According to the first aspect of the present invention, when the amount of second processed material in the second processing chamber 1 which is reduced from the threshing / sorting unit increases, the clogging sensor 2 detects the second processed material promptly. The combine operator or the coping function unit can know the status of the second processing, and can cope before the second processed material is clogged and accumulated in the second processing chamber 1. Combine work can be performed smoothly and efficiently without any trouble or influence on the machine or the like.

According to the second aspect of the present invention, when the second processed material increases in the second processing chamber 1 and the clogging sensor 2 detects the second processed material, the chamber lid 3 is opened to remove the second processed material inside. Since the clogging sensor 2 is opened together with the chamber lid 3 at this time, the clogging sensor 2 can be reduced by damaging the clogging sensor 2 by eliminating the second clogging inside. The exclusion operation can be performed quickly and easily.

According to the third aspect of the present invention, the detection by the clogging sensor 2 automatically stops the engine 4 which is the drive source of each part of the combine, or automatically stops the traveling device 5. Stopping the increase of the processed material in the second processing room 1 and removing the processed material in the second processing room 1 or confirming the decrease of the processed material in the second processing room 1 and performing a combine operation. Can be resumed, and a smooth operation can be performed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be used for a combine equipped with a second-reduction fryer or a double-hulled threshing apparatus having a second processing chamber. The invention according to claim 1 is characterized in that a clogging center for detecting clogging of the second processed material is provided in a second processing chamber for receiving and processing the second reduced material, and a second threshing machine for a combine is provided. As a result, it is possible to take measures before the second processed material is clogged and accumulated in the second processing chamber, and to perform an efficient combine operation without hindering the second reduction fryer.

[0010] Here, the combine is one in which a mowing device is arranged at a front portion and a threshing device is arranged at a rear portion on a vehicle body having a traveling device, and a culm cut by traveling is supplied to the threshing device for threshing. It is. In this threshing apparatus, thresh culms conveyed by a feed chain and a clamping rod are threshed in a threshing room, and threshed in the threshing room is sorted by a sorting device. In this mode, the second product is returned to the second processing chamber by the second reduction fryer, and threshing of the second product is performed. For this reason, it has a double-cylinder configuration having a handling cylinder in the threshing chamber and a processing cylinder in the second processing chamber.

According to the second aspect of the present invention, the second processing for threshing of a combine according to the first aspect, wherein the clogging sensor 2 is attached to a chamber lid 3 capable of opening and closing the second processing chamber 1. When removing the second processed material in the second processing chamber, the clogging sensor is opened together with the chamber lid to reduce damage to the clogging sensor.

According to a third aspect of the present invention, the engine for driving the combine or the traveling device is stopped by the detection of the clogging sensor. , Or a part thereof is stopped to reduce the accumulation of the processing object in the second processing chamber and to eliminate the clogging of the processing object in advance.

Here, when the traveling apparatus is stopped, the traveling speed is automatically reduced before the stop, and the amount of grain stalks cut by the reaping apparatus is reduced, so that the amount of the second processed material is reduced. Thus, a mode in which the processing in the second processing chamber is returned to a normal state may be adopted.

[0014]

Next, an embodiment of the present invention will be described with reference to the drawings. The combine is a traveling device 5 in the form of a crawler.
A mowing device 7 is supported on an upper part of a vehicle body 6 having a lift and a threshing device 8 is mounted thereon, and a cockpit 9 and an engine 4, a Glentan 10 and a threshing auger are provided on one side thereof. 11 etc. are arranged and mounted. The feed chain 14 and the clamping rod 1 along the grain stalk transfer port 13 cut by the cutting device 7
5 and is transported rearward, and is threshed by the handling cylinder 17 of the threshing chamber 16.

In the threshing device 8, a threshing chamber 18, a dust chamber 19, and a suction / dust fan 20 are disposed behind the threshing chamber 16, and threshed transported by the feed chain 14 to the culm chamber 18. A clamping rod 21 and a discharging culm chain 22 for inheriting and transporting the discharging culm are provided. Along the back side of the threshing chamber 16 and the dust chamber 19, the second processing chamber 1 in which the second processing cylinder 23 is mounted at the front is disposed, and the dust processing cylinder 24 is mounted at the rear. A dust processing chamber 25 is disposed. These threshing rooms 16,
The lower sorting chamber 26, such as the dust chamber 19, the second processing chamber 1, and the dust processing chamber 25, receives the threshing or the like dropped or dropped from each of the chambers and sorts while rocking and transferring. Oscillating sorting shelf 27 is installed, and sorting wind 2
The air can be blown to the dust chamber 19 through 9 to be sorted.

At the bottom of the sorting chamber 26, a first gutter 30 for receiving sorted grains and a second gutter 31 for receiving a second grain are arranged. The grain received by the first gutter 30 is transferred by a spiral, and then is fried to the side Gretank 10 via the first fryer. The second product received by the second gutter 31 is transferred by a spiral, passes through a second reduction fryer 32 composed of an auger, and is supplied and reduced to the rear end of the second processing chamber 1.

A cleaning port 33 that can be opened and closed by the chamber cover 3 is provided at a position such as an upper side or a side portion of the second processing chamber 1. The cleaning port 33 is formed as large as possible, and is set at a position close to the return port 34 of the second reduction fryer 32. Although the chamber lid 3 is configured to be detachable with the bolt 35, the chamber lid 3 may be configured to be opened upward and outward by a hinge or the like. The clogging sensor 2 is mounted on the inner lower surface of the chamber lid 3 as a pressure sensor and can be opened and closed integrally with the chamber lid 3.

The cleaning port 33 and the clogging sensor 2 are
Without being limited to the above-described configuration, the cleaning port 33 can be configured so as to be able to open and close the upper part and the inner peripheral surface of the second processing chamber 1 widely. Further, the clogging sensor 2 can be attached to the wall of the second processing chamber 1 other than the chamber lid 3.

In the threshing during the combine operation, the threshing room 16
In the thresh, the remaining straw waste that has leaked through the threshing net is sent to the dust treatment chamber 25 for processing. These threshed products are received by a swinging sorting shelf 27 at the lower portion and sorted while being swingably transferred. The first thing is taken out from the first gutter 30 and stored in the Glen tank 10, while the second thing is returned to the second processing chamber 1 from the second gutter 31 via the second reduction fryer 32. In the second processing chamber 1, the second processing cylinder 23
Threshing by the rotation of
Leaked or dropped on top and re-sorted.

In the second processing operation, the second processing chamber 1
When the amount of residual processed material in the inside increases, the clogging sensor 2 is turned on by this pressure, and when a clogging state is detected, an alarm is issued, the zinjin 4 is stopped, or the traveling device 5 is stopped, so that the mowing is performed. The mowing by the device 7 can be stopped.

In the form of issuing an alarm, the clogging sensor 2 and an alarm installed near the operator's seat 9 are connected by a wire 36. Further, in a mode in which the engine 4 is stopped by detection of the clogging sensor 2, a control rack for supplying fuel of the engine 4 can be interlocked so as to be stopped by electromagnetically squeezing a control rack via a controller or the like. .
Further, in a mode in which the traveling device 5 is controlled, the transmission device of the traveling transmission device 7 can be decelerated or the transmission clutch can be disengaged via the controller.

A dust fan 20 is disposed on the stem side of the dust chamber 19, and a suction port 38 on the dust chamber 19 side of the dust fan 20 has a closing opening for adjusting the opening degree. The plate 39 is
It is provided so that the vertical rotation can be adjusted. The closing end of the closing plate 39 is attached to a support shaft 41 provided on the rear outside of the rear wall plate 40 of the dust chamber 19. The rear wall plate 40 can be attached to and detached from the opening frame 42 of the dust chamber 19 so that the dust chamber 19 on the rear side of the threshing machine can be opened and closed. The support shaft 41 is supported by a bracket 43 on the rear side of the rear wall plate 40. The closing plate 39 attached to the support shaft 41 serves as the suction port 38 of the dust exhaust fan 20.
Is provided so as to move up and down along the side surface. Closing plate 3
When the upward movement of the nozzle 9 is performed, the suction port 38 is squeezed to reduce the suction / discharge force.

The operation of the closing plate 39 is interlocked with the vertical swing of the clamping rod 21 below the culm chain 22. An arm 45 of a rotating shaft 44 which is rotated by the up and down of the clamping rod 21, and a wire 46 connected to the arm 45,
When the arm 47 of the support shaft 41 is connected and the culm amount is large, the clamping rod 21 is pushed down to move the closing plate 39 down and open the suction port 38, but when the culm amount decreases, the reverse occurs. This suction port 38 is throttled so that the amount of dust air sucked and discharged from the dust chamber 19 can be automatically adjusted.

Since the support shaft 41 and the bracket 43 of the closing plate 39 are attached to the rear outside of the rear wall plate 40, the interlocking structure of the clamping rod 21 and the like is easy, and maintenance is also simplified. it can. Further, the clamping rod 21 is
Similarly, the angle of the Glen sheave 49 of the swing sorting shelf 27 is automatically adjusted via the wire 48. When the clamping rod 21 is moved down, the angle of the Glen sheave 49 is in an upright state and the selection interval is opened, and when the clamping rod 21 is moved up, the selection interval is narrowed. 50 is a straw rack at the rear end of the swing sorting shelf 27. Reference numeral 51 denotes a partition plate provided on the suction port 38 side of the discharge port at the rear of the dust processing chamber 25.
Dust discharged from the dust processing chamber 25 is directly sucked into the suction port 38.
It is provided so as not to be sucked and discharged.

[Brief description of the drawings]

FIG. 1 is a plan view of a threshing unit.

FIG. 2 is a side view of a part thereof.

FIG. 3 is a side view of the threshing unit.

FIG. 4 is a side view of a part thereof.

FIG. 5 is a side view of the dust chamber.

FIG. 6 is a side view of the suction port.

FIG. 7 is a rear view of the dust chamber.

FIG. 8 is a side view of the combine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Second processing room 2 Clogging sensor 3 Chamber cover 4 Engine 5 Traveling device

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Yoshinobu Furukawa, Inventor Yoshinobu Furukawa, 1-chome, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. AB12 JC01 JE08 JE11 JE14

Claims (3)

[Claims] A second processing chamber for receiving and processing a second reduced product.
A threshing center 2 for detecting a clogging of the second processed material. 2. The threshing second processing apparatus for a combine according to claim 1, wherein the clogging sensor 2 is attached to a chamber lid 3 that can open and close the second processing chamber 1. 3. The second combine threshing processing apparatus according to claim 1, wherein the engine 4 or the traveling device 5 for driving the combine is stopped upon detection by the clogging sensor 2.