JP2001320936A - Combine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem in an operating lever for changing and adjusting the depth of a depth sensor is conventionally installed at the inside of a dust preventing cover covering the upper direction of a reaping part, and the lever operation can not be done without opening the dust-preventing cover every time and is very inconvenient. SOLUTION: This combine in which whole upper directional surface of the reaping part is covered by the dust-preventing cover 12 and installed with the treating depth sensor 13 for automatically adjusting the cereal culms-supplying depth in accordance with the length of the culms in the dust-preventing cover of the above reaping part, is characterized by installing the operating lever 17 for changing and adjusting the position of the treating depth sensor 13 in the culm length direction of the cereal culms, at a position where it can be operated from the outside of the dust-preventing cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine for threshing a cultivated stalk of a field while cutting it, and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art Conventionally, an operation lever for changing and adjusting the position of a handling depth sensor has been provided in a dust-proof cover that covers the upper part of a mowing part.

[0003]

According to the prior art, when adjusting the position of the handling depth sensor, the dust proof cover must be opened each time before the lever can be operated. Was very troublesome.

The present invention has been made to solve the above problems, and has taken the following technical measures.

[0005]

That is, the first concrete means for solving the problems in the present invention is to cover the entire upper surface of the cutting section with a dustproof cover, and to install the dustproof cover of the cutting section in the dustproof cover. In a combine equipped with a handling depth sensor that automatically adjusts the grain culm supply depth into the handling room according to the culm length,
An operation lever for changing the position of the handling depth sensor in the direction of the culm of the grain culm, wherein the lever is provided at a position operable from outside the dust cover. This eliminates the need to open and operate the dust cover when changing the position of the handling depth sensor, and allows the lever to be operated immediately even when the handling depth is changed quickly.

According to a second specific means for solving the problem in the present invention, in the combine according to the first aspect, the operation lever is provided on an operation box near a driver's seat. . As a result, the operator can easily operate from the operating position, and the working efficiency can be improved.

According to a third specific means for solving the problems in the present invention, in the combine according to the first aspect, the operation lever is provided in a space portion interposed between the operation box and the dustproof cover. In addition, it is characterized in that the position change of the handling depth sensor can be adjusted by an operation in the front-back direction. This makes it possible to easily form a long lever operation path in the front-rear direction even in a narrow space. In addition, since the lever position is on the left side of the operator, the operation is easy.

[0008]

In summary, according to the present invention, the position of the handling depth sensor is adjusted by the operation lever provided outside the dustproof cover.
It is not necessary to open and operate, and even if the handling depth is changed quickly, the lever can be operated immediately, so that the handling depth can be changed quickly and stable threshing work is possible.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, an example of the structure of a combine will be described as one embodiment. The traveling vehicle body 1 has traveling crawlers 2 and 2 on the side of a ground contact portion, and a threshing device 3 is mounted on an upper portion thereof. In front of the traveling vehicle body 1, there is provided a mowing unit 4 that raises and cuts the culm and feeds it to the threshing device 3 so as to be able to move up and down. The reaping unit 4 is supported by a reaping support frame 6 which rotates up and down around a horizontal shaft 5 erected in a lateral direction with respect to the vehicle body 1, and is moved up and down by a reaping lifting cylinder 7 which expands and contracts by hydraulic pressure. And

The driving section 8 comprises a driver's seat 9 and an operation box 10 arranged in an L-shape in plan view from the front side to the left side of the driver's seat. A Glen tank 11 is mounted on the lateral side of the threshing device 3 behind the operation unit 8. Reaper 4
A dust cover 12 that covers the entire upper surface of the transport unit is provided above the transport unit. The dust cover 12 is divided into front and rear portions, and is configured to be opened and closed by sliding the front cover 12a in the front and rear direction with respect to the rear cover 12b.

A handling depth sensor 13 for automatically adjusting the grain culm supply depth into the handling room in accordance with the culm length of the cereal culm is provided at an appropriate position in the grain culm transport path of the mowing part 4 in the dustproof cover 12. Is provided. The handling depth sensor 13 is configured to be freely changeable in position in the direction of the culm of the grain culm. That is, the sensor mounting plate 14 on which the sensor 13 is mounted is slidable with respect to the mounting frame 15 through the elongated hole 16, and the operation lever 17 provided on the operation box 10 is pushed and pulled. In this configuration, the slide is adjusted via the interlocking wire 18 by operation.

In the embodiment shown in FIG. 4, an operation panel 20 having an operation guide path 19 in the front-rear direction of an operation lever 17 is provided in a space interposed between the operation box 10 and the dust cover 12. The position of the handling depth sensor 13 can be adjusted by operating the operation lever 17 in the front-rear direction.

Another embodiment 1 (FIGS. 6 to 9) will be described. By providing the operating unit dust cover 21 inclined obliquely upward from the operation box 10 on the left side of the driver's seat 9 to the dust cover 12 side of the mowing unit, the operating unit dust cover 21 and the mowing unit dustproof are provided. The duct 22 is constituted by the cover 12. As a result, from within the engine room,
Hot air and dust that blows up from below the reaping section through between the driver's seat and the reaping section can be guided through the duct 22 to the direction opposite to the driver's seat side, and the operator can operate in a sanitary environment. You can work on it.

Further, the dust cover 21 for the driving section is provided as shown in FIG.
Instead of the configuration shown in FIGS. 8 to 8, it may be configured by an extendable dustproof sheet 21a as shown in FIG. According to such a configuration, even if the mowing part is moved up and down during the operation, it is possible to reliably shut off hot air and dust that blows up.

Another embodiment 2 (FIGS. 10 to 13) will be described. The reaping unit 4 shown in FIG. 10 includes a raising device 23 for causing a cereal culm to be planted in a field, a reaping device 24 for reaping the cereal culm after the raising, and a raking device for raking the culm after the reaping. 25, a tip locking and transporting device 26 that takes over the tip side of the harvested grain culm and locks and transports it rearward, and a root clamping and transporting device 27 that takes over the root side of the harvested grain culm and grips and transports it rearward. A transport device 28 for adjusting the handling depth which takes over the grain stalks from the root sandwiching and transporting device 27, further grips and transports the grain backwards, and transfers it to the feeding chain 31 to the threshing feed chain 30.
And a supply chain 29 which locks the middle part of the grain stem and delivers it to the sending chain 31 for delivery.

The head-locking / conveying device 26 is divided into front and rear parts, and comprises a front-side primary head-locking / conveying device 26a and a rear secondary-head-locking / conveying device 26b. Then, the start-up side of the rear-side secondary ear-tip locking and conveying device 26b enters the wrap state below the terminal side of the front-side primary ear-tip locking and conveying device 26a, thereby forming the transfer portion A.

The transport device 28 for adjusting the handling depth includes:
It moves up and down with its front side as a fulcrum, and adjusts the handling depth of the cereal culm. Even in this transport device 28, the start end side is the end side of the root holding transport device 27 in the same manner as the ear tip side. The transition portion B is configured to enter the wrap state downward.

A handover portion A on the tip side and a handover portion B on the root side
If the position is shifted forward and backward in the grain culm transport direction, spilling of the culm does not occur during handover. That is, for example, as in the embodiment, the takeover at the spout side takeover part A is performed first, and after the takeover is completed, the takeover at the root side takeover part B is performed. Good to put.

The mowing support frame 6 is constructed so as to be divided into a front frame 32 and a rear frame 33 so that it can be divided into front and rear portions. The drive unit 34 of the pre-processing unit 4A including the device 23, the reaping device 24, the scraping device 25, the primary head locking and conveying device 26a, the root nipping and conveying device 27, and the secondary The drive unit 35 of the post-processing unit 4B, which includes the tip locking and conveying device 26b, the conveying device 28 for adjusting the handling depth, the supply chain 29, and the like, and the support portion 36 for the cutting and lifting cylinder 7 are provided.

As shown in FIG. 12, the pre-processing drive unit 34 has a drive shaft 34a installed in the front frame 32, and the post-processing drive unit 35 has a drive shaft 35 in the rear frame 33.
a, and both shafts 34a, 35a are configured to be able to be fitted and removed via intermeshing clutches 37, 37.

As shown in FIG. 13, the engagement between the divided portions of the front and rear frames 32 and 33 is made up of an engagement member 38 having an engagement pin 38a and an engagement member 39 having an engagement recess 39a. A separable coupling is provided. FIG.
Reference numeral 1 denotes a state in which the mowing unit 4 is separated into a pre-processing unit 4A and a post-processing unit 4B. When the mowing unit 4 is separated back and forth, the machine is moved backward so that the pre-processing unit 4A and the post-processing unit 4B can be pulled back.

As described above, when the rotating components are transmitted, the combine performs the harvesting and threshing of the culm in the field while the body is advanced by the driving of the traveling crawler 2. Then, the grain stalk is raised by the cutting unit 4, the root is cut, and the culm is sequentially transported upward and supplied to the threshing device 3. And
The cereal culm is subjected to the threshing action by the threshing device 3 and the grains selected and stored in the Glen tank 11.

[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 plan view of the embodiment of the present invention.

FIG. 4 is a plan view of the embodiment of the present invention.

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

FIG. 6 is a plan view showing another embodiment of the present invention.

FIG. 7 is a side view showing another embodiment of the present invention.

FIG. 8 is a front view of another embodiment of the present invention.

FIG. 9 is a front view of another embodiment of the present invention.

FIG. 10 is a side view of another embodiment of the present invention.

FIG. 11 is a side view of another embodiment of the present invention.

FIG. 12 is a side sectional view of a main part, which is another embodiment of the present invention.

FIG. 13 is a plan view of another essential part of the present invention, showing a main part of the same.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 traveling vehicle 2 traveling crawler 3 threshing device 4 reaping unit 5 reaping input shaft 6 reaping support frame 7 elevating cylinder 8 operating unit 9 driver's seat 10 operation box 11 glen tank 12 dustproof cover 13 handling depth sensor 14 Sensor mounting plate 15 Mounting frame 16 Slot 17 Operation lever 18 Interlock wire 19 Operation guide path 20 Operation panel

Claims (3)

[Claims] 1. A dust depth cover that covers the entire upper surface of a cutting unit, and a handling depth sensor that automatically adjusts a grain culm supply depth into a handling room according to a culm length in the dust prevention cover of the cutting unit. In the provided combine, an operating lever for changing the position of the handling depth sensor in the direction of the culm of the grain culm, wherein the lever is provided at a position operable from outside the dustproof cover. Combine to do. 2. The combine according to claim 1, wherein the operation lever is provided on an operation box near a driver's seat. 3. The operation lever is located in a space sandwiched between an operation box and a dust-proof cover, and is configured so that a position change of a handling depth sensor can be adjusted by a front-rear operation. The combine according to claim 1, characterized in that: