JP3513931B2 - Combine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine and is used for a self-contained combine. 2. Description of the Related Art Conventionally, a combine arrives at an edge of a field during a harvesting operation, and when the undercarriage is turned, a cutting pretreatment device mounted on a front portion of the undercarriage is raised to a non-working position. In connection with this, there is a configuration in which the rotating parts of the pre-cutting device and the feed chain of the threshing device are stopped. [0003] However, in the conventional type according to this configuration, the pre-cutting device is lifted and stopped while maintaining a certain time, so that the grain stalk supply and transport device of the pre-cutting device and the filter of the threshing device are removed. -The angle of relationship with Dochien gradually changes with the rise of the pre-cutting device, making it difficult to pass the culm smoothly. [0004] In this type of combine, it is necessary to eliminate spillage of the culm in the automatic feed chain stopping device and to ensure a reliable inheritance. When conventional cutting pretreatment apparatus as a problem combine the Ru opens Hajimesu rise, Fi stationary side of the threshing apparatus - and beginning of Dochien, termination of culms supply transport device increases the side of cutting pretreatment device As the angle of relationship increases, the deviation increases, and the succession transport lacks certainty, causing spills. The present invention has been made to solve the above-mentioned drawbacks in the prior art, and the stalk feeding and conveying device is stopped even when the stalks are sandwiched so that the stalks of the stalks can be prevented from falling off as much as possible. It is to be. [0006] The present invention employs the following technical means in order to solve the above-mentioned problems. That is, the vehicle is mounted on the chassis 2 having the traveling device 1.
A threshing device 4 provided with a doughen 3 is mounted so that the grain culm supply port 5 is located on the front side, and a grain stalk raising device 6, a mowing device 7, and a grain stalk scraping conveyance are provided in front of the threshing device 4. A pre-cutting device 10 having a device 8 and a grain culm supply / conveying device 9 is pivotally connected so as to be able to move up and down between an upper non-working position and a lower working position by an elevating device 11, and When the processing device 10 is moved upward, an automatic stop device 12 for automatically stopping at least the rotating parts of the pre-cutting device 10 and the feed chain 3 of the threshing device 4 is provided in connection therewith. Are cereal stalk detection sensors 13a and 13b for detecting the transported cereal stalks at the front and rear thereof.
After the cutting pre-processing device 10 starts ascending movement, the automatic stop device 12 sets the cereal stalk detection sensor-13a,
13b, a grain stalk detection sensor 13a provided on the front side is
Stop operation is performed when a non-detection state is reached.
A threshing unit sensor 30 is provided at the beginning of the feed chain 3,
The threshing unit sensor 30 detects a pressure higher than a predetermined value due to the transported grain culm.
Is detected, the rotation of each part of the pre-cutting device 10 is disconnected.
A combine configured to stop the grain device 4
You. First, the configuration will be described. Chassis 2
It has a traveling device 1 composed of a crawler, and can travel without sinking not only in dry fields but also in wet fields.
The threshing apparatus 4 has a handling chamber 15 in which a handling drum 14 is mounted on an interior shaft on the upper part, the feed chain 3 is provided along the handling chamber 15, and a sorting chamber is provided on the lower side. I have. Then, Fi - Dochien 3, a configuration that is transmission from the thresher shaft 16 through a gear box 17, the gearbox scan 1
7 is equipped with a clutch. Reference numeral 18 denotes a control motor, which is driven by an output from a controller 19 to be described later, and has a structure capable of intermittently operating the clutch. Reference numeral 20 denotes a straw chain, and 21 denotes a straw cutter. The threshing device 4 configured as described above is mounted on the undercarriage 2 with the grain culm supply port 5 facing forward. The pre-cutting device 10 includes a pre-processing frame 2
2 is provided with a weeding rod 23, a grain stalk raising device 6, a reaping device 7, a grain stalk raking and transporting device 8, and a grain stalk feeding and transporting device 9 from the front side. Transport,
It can be supplied. That is, the weeding rod 23 is
The frame is fixed to the front end portion of the pretreatment frame 22, and the culm in the field is planted with the advance. The grain stalk raising device 6 is composed of a raising case 25 which rotates while raising the stalks by raising the protruding lugs 24 on the raising side. The lower part is provided to be inclined forward and the upper part is inclined backward.
Numeral 7 denotes a mowing device, which is attached to the bottom of the pretreatment frame 22. The grain stalk raking and conveying device 8 is provided from the upper side of the reaping device 7 to the rear upper side, and is configured to be able to rake and transport the grain stalks cut by the reaping device 7 to the rear. [0011] The grain culm supply and transfer device 9 is a stock transfer chain 2
6 and a spike transport lug 27, the grain culm is transported with the start end facing the end of the grain stalk raking and conveying device 8 and the end end facing the start end of the feed chain 3.
The grain culm supply / conveyance device 9 has a configuration in which the handling depth can be adjusted. And the grain stalk detection sensors 13a, 13
b is provided at two places, the start end and the end, of the grain culm supply / conveyance device 9 to detect the presence or absence of the grain culm. The both culm detection sensors 13a and 13b are configured to transmit the detection results as signals to the controller 19. [0012] The pre-cutting device 10 configured as described above.
Is a pretreatment frame 22 at the front side of the threshing device 4.
Is pivotally attached to a support base 28 of the chassis 2 and is configured to be freely rotatable up and down by a hydraulic cylinder 29 as the elevating device 11. Then, when the pre-cutting device 10 starts ascending by the hydraulic cylinder -29, the transmission to the grain stalk raising device 6, the cutting device 7, the grain stalk scraping and conveying device 8, and the grain stalk feeding and conveying device 9 is interrupted. The automatic stop device 12 is configured as described above.
3a and 13b are related to each other.
a or 13b does not detect culm, OFF
It is configured to operate when the state is reached. In this case, the feed chain 3 is configured so that the control motor 18 is operated and the clutch is operated based on a signal output from the controller 19 in connection with the above-mentioned stop operation. I have. In the case of the embodiment shown in FIG. 2, the threshing unit sensor 30 is provided at the starting end of the feed chain 3,
When a pressure equal to or higher than a predetermined value is sensed by the transported grain culm, the rotating units of the pre-cutting device 10 and the threshing device 4 stop. With such a configuration, the threshing device 4 can be stopped before breaking even if the grain stalk is clogged with the feed chain 3, and can be safely operated. Further, the threshing unit sensor 30 provided at the start end of the feed chain 3 can be effectively utilized even when the threshing device is driven alone to handle a pillow. Stops before destruction and can be safely processed. Next, the operation will be described. First, when the prime mover is started and the mowing and threshing work is started while driving the rotating parts of the fuselage, the falling culm of the field is sown by the weeding rod 23 at the front, and then upwards from below. It is locked by the raising lug 24 that is rotating toward it and is caused to be upright. Then, the stem of the cereal stem reaches the reaper 7 and is harvested, and at the same time, the stalk stalking and conveying device 8
And is conveyed while being scraped upward and rearward. The grain stalk thus transported and reaching the terminal end of the grain stalk raking and transporting device 8 has its root inherited by the root transport chain 26 and is clamped. At 27, it is engaged and further transported to the upper rear. At this time, the grain culm supply / conveying device 9 supplies the grain culm from the end to the beginning of the feed chain 3 while detecting the length of the grain and automatically adjusting the handling depth. As described above, the grain culm in the field is continuously cut and conveyed, and after threshing and sorting, the grain is carried out of the machine and stored in a Glen tank, and the straw is discharged. It is conveyed by the straw chain 20, reaches the straw cutter 21 and is cut off and sprayed on the field scene after cutting. In the process as described above, the grain stalk detection sensors 13a and 13b are:
The cereal culm being conveyed in a sandwiched state by the stock carrier chain 26 constituting the cereal culm supply / conveying device 9 is constantly detected, and the result is transmitted to the controller 19. Then, the combine reaches the end of the field after cutting the culm row and moves to the turning operation of the undercarriage 2. First, the harvesting pretreatment device 10 is raised to the non-working position. At this time, the grain culm which has already been cut has been conveyed to the threshing apparatus 4 by the cereal stalk scraping and conveying device 8 and the cereal culm supply and conveying device 9. In this manner, the last cereal culm reaches the cereal culm supply / transport device 9 and the cereal culm detection sensors 13a, 13a
When there is no more culm on either side of b, the cereal culm detection sensor 13a does not detect the culm and turns off, and the result is transmitted to the controller 19. Then, the controller 19 transmits an output signal based on the input signal, drives the control motor 18 to release the clutch, and stops the feed chain 3. Therefore, the cereal stalk layer in the middle of transportation remains in a state of being held by the stopped cereal stalk supply and transportation device 9,
As in the prior art, spilling of the culm, which has occurred when the lastly reduced cereal culm is transferred from the cereal culm supply / transport device 9 to the feed chain 3, can be prevented. Further, since the transmission of each part is interrupted while the transported grain culm is still on the pre-cutting treatment device 10 side, the relation angle between the fixed grain feeden 3 and the ascending grain culm supply and transport device 9 changes. Can be stopped before the transfer, and spilling of the culm during the transfer can be prevented. As described above, according to the present invention, a threshing device 4 provided with a feed chain 3 on a chassis 2 having a traveling device 1 such that a grain culm supply port 5 is on the front side. In front of the threshing device 4, a grain stalk raising device 6, a cutting device 7, a grain stalk scraping and transporting device 8, and a grain stalk feeding and transporting device 9 are provided.
The mowing pre-processing device 10 having the following is pivotally connected so as to be able to move up and down between an upper non-working position and a lower working position by an elevating device 11, and when the mowing pre-processing device 10 is moved up, In connection therewith, there is provided an automatic stop device 12 for automatically stopping at least the rotating parts of the pre-cutting device 10 and the feed chain 3 of the threshing device 4, and the grain culm supply / conveying device 9 conveys it to the front and rear thereof. grain稈検detecting sensor -13A for detecting the culms and 13b provided, after the automatic stop device 12 which is pre-processor 10 cutting starts increasing movement, the grain稈検detection sensor -13A, front of 13b ~ side
The cereal stalk detection sensor -13a provided in the non-detection state
When the feed chain 3 is started,
A threshing unit sensor 30 is provided at the end, and the threshing unit sensor-3 is provided.
When 0 senses a pressure equal to or higher than a predetermined value by the transported grain culm,
The rotating parts of the pre-cutting device 10 and the threshing device 4 stop.
With such a configuration , the culm spillage is extremely reduced in the inheritance conveyance between the grain culm supply / conveyance device and the feed chain, and the grain culm can be conveyed reliably. In the threshing device 4, the feed chain 3 is filled with cereal stems.
You can stop before destruction and work safely.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing an essential part of an embodiment of the present invention. FIG. 2 is a plan view of one embodiment of the present invention. FIG. 3 is a side view of a combine according to an embodiment of the present invention. FIG. 4 is a plan view of a combine according to an embodiment of the present invention. FIG. 5 is a block circuit diagram showing a control device according to one embodiment of the present invention. [Description of Signs] 1 Traveling device 2 Undercarriage 3 Feed chain 4 Threshing device 5 Grain culm supply port 6 Grain culm raising device 7 Cutting device 8 Grain culm raking and conveying device 9 Grain culm supply and conveying device 10 Cutting pretreatment device 11 Lifting device 12 Automatic stop device 13a, 13b Grain stalk detection sensor 30 Threshing unit sensor

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A01F 12/10 A01D 69/00 A01D 61/00

Claims (1)

(57) [Claims 1] 1. A threshing device provided with a feed chain is mounted on a chassis having a traveling device so that a grain culm supply port is located on the front side, 2. In front of the threshing device, a cutting pretreatment device having a cereal stem raising device, a cutting device, a cereal stem scraping and conveying device, and a cereal stem feeding and conveying device is moved upward by a lifting device to a non-working position and a lower operation. (3) When the cutting pretreatment device is moved up and down, at least the rotating parts of the cutting pretreatment device and the feed chain of the threshing device are connected. 4.The cereal culm supply / conveyance device is provided with a cereal culm detection sensor for detecting the presence / absence of a conveyed cereal culm at a front part and a rear part thereof. 5, the automatic stop device, the pre-cutting device is moved up After started, the grain稈検detection sensor - set to the front side of the
6. When the stalk detection sensor is in a non-detection state, it is configured to stop operation. 6 , A threshing unit sensor is provided at the start end of the feed chain.
The threshing unit sensor detects the pressure over the predetermined
Upon sensing the force, de a rotating each section of the cutting pretreatment device
The grain unit and is configured to stop, Konbai be satisfied by a combination of each of the above constituent elements
N.