JP2001078589A - Device for removing mulch film in field crop harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a field crop harvester which can harvest field crops cultured with a mulch film and simultaneously remove the mulch film. SOLUTION: The first film guide 28 comprising a horizontal roller 29 for peeling a mulch film F laid on a harvest target ridge and vertical rollers 31, 32 for delivering the mulch film received from the horizontal roller to the left or right side of the frame, and the second film guide 37 comprising a vertical roller 35 for delivering the mulch film received from the first mulch film guide to the rear portion of the frame and a horizontal roller 36 for delivering the mulch film received from the vertical roller are disposed above the front portion of a digging conveyer 6. Or, the third film guide obtained by omitting either of the vertical rollers 31, 35 of the first film guide and the second film guide second guide is combined with the fourth film guide fixed to one side of the frame in response to the third film guide.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-film removing apparatus for an agricultural product harvester which harvests agricultural products grown using the multi-film while removing the multi-film.

[0002]

2. Description of the Related Art Conventionally, a self-propelled type provided with a digging conveyor for digging and transporting agricultural products vegetated in a field and a sorting conveyor for sorting from the front to the rear of a central portion of a body between right and left traveling devices. (For example, root crops) harvesters are well known.

[0003] In this conventional agricultural product harvester, if the agricultural product to be harvested is cultivated using a multi-film, the multi-film is manually peeled off by hand before harvesting by the harvester, and the harvester is harvested. They are moved out of the way of harvesting.

[0004]

Therefore, before the harvesting operation by the harvester, a lot of labor and time are required for removing the multi-film manually and moving the multi-film to a position where it does not interfere with the harvesting operation by the harvester. Required. There have been many requests to remove the multi-film simultaneously with the harvesting operation by the harvester.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a harvester is provided with a film guide for peeling a multi-film and discharging the film to a field beside the machine, so that harvesting of agricultural products can be performed. At the same time, an object of the present invention is to provide a multi-film removing device in an agricultural harvester that removes a multi-film.

[0006]

In order to achieve the above object, the present invention provides: A self-propelled agricultural harvester provided with a digging conveyor for digging and transporting vegetation cultivated in a field, and a sorting conveyor for sorting, from the front to the rear of the center of the body between the left and right traveling devices, A horizontal roller that is provided above the front of the excavating conveyor and that peels off the multi-film laid on the ridge to be harvested with the advancement of the machine and sends it back, and a multi-roller that is provided next to the horizontal roller and inherited from the horizontal roller A first film guide comprising a pair of vertical rollers for feeding a film to the left or right side of the machine, and a multi-film provided on one of the left and right sides of the machine and inherited from the first film guide is provided at the rear of the machine. And a horizontal roller which is adjacent to the vertical roller and feeds the multi-film inherited from the vertical roller toward the rear. It is characterized by comprising guide and, the.

B. The second film guide is reversibly provided so as to be located on either the left side or the right side of the body.

C. A third film guide in which one of the first film guide and the second film guide or one of the vertical rollers of the first film guide is omitted;
And a fourth film guide fixed to one side of the fuselage corresponding to the above film guide.

[0009]

According to the above construction, the multi-film removing apparatus in the agricultural product harvester of the present invention performs the following operations. . The above A. When the harvester digs agricultural products from the ridges to be harvested by the digging conveyor while traveling,
The multi-film laid on the ridge to be harvested is peeled off by the horizontal rollers of the first film guide and sent backward, sent to the left or right side of the machine body via the vertical rollers, and It is inherited by the vertical rollers and discharged to the field via the horizontal rollers. Therefore, the excavating conveyor continuously performs the agricultural excavation work without being disturbed by the multi-film.

[0010] B. above. The second film guide reversely moves to either the left side or the right side of the body, receives the multi-film separated by the horizontal roller of the first film guide, and moves the second film guide to the left side or the right side of the body. Release to field.

[0011] C. above. By combining the first film guide and the second film guide, or the third film guide and the fourth film guide, the multi-film peeled from the ridge to be harvested is combined with the left side or the right side of the machine body. Release to one or the other field.

[0012]

Embodiments of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 3, reference numeral 1 denotes a potato harvester.
Are equipped with crawlers 3 and 3 which form a pair of right and left sides of the fuselage 2 and enable super turning. An engine 4 is mounted on the body 2 on the front side of the crawlers 3, 3, and a generator, a hydraulic pump, etc. (not shown) driven by the engine are provided near the engine 4.
It is equipped with. A transmission 5 is provided between the crawlers 3 and 3 at a lower position on the front side of the body 2. Also, from the lower front of the fuselage 2 to the upper center of the fuselage through the transmission 5 to the upper part of the fuselage, a digging conveyor device 6 that excavates the vegetation cultivated in the field and conveys it rearward is provided. The conveyor device 6 has a front end portion pivotally supporting a base end portion so as to be vertically movable. A control unit 7 is provided on the other side of the body 2 opposite to the engine 4.

The digging conveyor device 6 has digging blades 9 attached to the front ends of left and right side frames (frames) 8 and 8, and link rods between the side frames 8 and 8, and slats are provided at predetermined intervals. An excavating conveyor 10 is wound around, and a lower inclined side is rotatable up and down around a rotating portion 10a at an upper end of the excavating conveyor.
The vertical movement adjustment, that is, the adjustment of the excavation depth is performed by the expansion and contraction operation of the excavation, and the excavation conveyer 10 can be folded from the middle of the side frames 8, 8 to the machine body side. The folding and unfolding operations are performed by the hydraulic cylinder 12. The digging conveyor 10 can adjust its moving speed steplessly or stepwise. The brackets 13, 13 projecting forward from the left and right side frames 8, 8 are provided with a ridge follower 14, which follows the machine body along the length of the ridge to be harvested.

The ridge follower 14 is provided with a pair of wheels 15, 15 which are in contact with the inclined shoulders of the ridge to be harvested, facing each other. It is supported so that it can be adjusted up and down and can be adjusted left and right by slide mechanisms 17 and 17. The pair of wheels 15, 15 have a camber angle. The side frame 8 of the excavating conveyor device 6 is provided with a power connecting / disconnecting mechanism (not shown) near the folded portion thereof. On the side of the excavating conveyor device 6, an auxiliary worker boarding device 18 on which an auxiliary worker who performs pre-processing of the harvested excavated and conveyed products is arranged. The auxiliary worker boarding device 18 includes a step 18a, a vertically adjustable and rotatable seat 18b, and a handrail 18c, and can be detached when unnecessary.

At the rear part of the fuselage behind the excavating conveyor device 6, a sorting conveyor device 19 for carrying out a sorting operation while placing and transferring the harvested material is provided. On one side of the transfer direction of the sorting conveyor device 19, a worker boarding device 20 on which a worker performing a steering operation and a sorting operation of the control unit 7 is mounted, and a sorting worker on which a worker performing a sorting operation is mounted on the other side. A boarding device 21 is provided. A clutch lever 22 operable in conjunction with a traveling clutch lever provided on the control unit 7 and a clutch lever of the digging conveyor 10 is provided near the sorting operator boarding device 21. The two boarding devices 20 and 21 respectively perform steps 20a and 21
a and up and down, rotatable seats 20b and 21b. Further, handrails 23, 23 also serving as strength members of the body 2 are provided at front positions of the boarding devices 20, 21 facing the sorting conveyor device 19.

The sorting conveyor device 19 can be easily exchanged with a plurality of other types having different sorting forms as needed. That is, what is shown in FIG. 1 is a flat belt type 19a, which is divided into a rod (bar) conveyor type, a rope conveyor type, a taper roller type, and other sorting conveyors having different sorting modes. Exchangeable. A space 24 is formed below the sorting conveyor 19. Although not shown,
A sieve line is provided below the end of the sorting conveyor device 19.

At the rear end of the fuselage behind the sorting conveyor 19, a container mounting table 25 for mounting a container containing harvested products is provided. This container mounting table 25
Is a carrier-like one on which a large number of containers containing harvested products are placed, and can be adjusted up and down by exchanging the front end of the machine, and it is rotated around the front end,
It can be displaced between a use state that protrudes to the rear of the fuselage and a stored state that stands on the fuselage side. Although not shown, an overhang may be provided at the steps 20a and 21a of both the boarding devices 20 and 21 so that an empty container for storing the harvested product is placed.

A straddling frame 26 that straddles the sorting conveyor 19 and the excavating conveyor 10 is provided so as to extend the handrails 23, 23, and a light 27 that illuminates the front and rear directions of the body is attached to the straddling frame 26. Have been.

The transmission 5 which receives power from the engine 4 and shifts is provided with a continuously variable hydraulic transmission (HST) (not shown) for continuously changing the speed. The transmission is connected through a side clutch and a differential device.
Then, the crawlers 3 and 3 are driven to change speed between stepless and stepped. Further, a brake device is provided in connection with the differential device. Then, when the steering lever of the control section 7 is largely operated, the airframe is turned by the side clutch, the differential mechanism, and the brake by the operation of the brake pedal.

Also, as described above, the excavating conveyor 10
The traveling speed can be adjusted between stepless and stepped, and in combination with stepless or stepped traveling of the crawlers 3, the digging work speed can be set freely. When the potato harvester 1 is not in use, the digging conveyor device 6 moves the entire digging conveyor device 6 to the rotating portion 10.
Rotate around the center, or fold the tip side part and turn it toward the fuselage side to put it in the stowed state, shorten the length of the fuselage, load it on the carrier of the light truck and transport it, and store it in a warehouse etc. The headland can be turned in a small area, as well as possible.

Above the front part of the excavating conveyor device 6,
The first film guide 28 of the first embodiment in the multi-film removing apparatus according to the present invention is provided. This first
The film roller 28 is supported by left and right support arms 29, and the horizontal roller 30 that peels off the multi-film F laid on the ridge to be harvested and sends it backward as the machine advances.
And a pair of vertical rollers 31 and 32 that are provided adjacent to the horizontal roller 30 and feed the multi-film F inherited from the horizontal roller 30 to the left or right side of the machine body. This first
The base end of the support arm 34 supported by the film guide 28 via the left-right rotation support portion 33 is positioned at one of the left and right sides of the machine body by being inverted by the left-right rotation support portion 33. A vertical roller 35 for feeding the multi-film F inherited from the first film guide 28 toward the rear of the fuselage;
A horizontal roller 3 that is adjacent to the vertical roller 35 and feeds out the multi-film F inherited from the vertical roller 35 toward the rear.
6 constitute the second film guide 37.

Next, the operation of the peach harvester 1 configured as described above will be described. The potato harvester 1 is, for example, when the harvester 1 harvests sweet potatoes cultivated by ridges using the multi-film F, the wheel 1 of the ridge following device 14 is used.
5 and 15 are brought into contact with the inclined shoulders of the ridge to be harvested, and the excavating blade 9 of the excavating conveyor device 6 is vertically moved by the hydraulic cylinder 11 to adjust the excavating depth. The harvested material is dug by the excavating blade 9, and is lifted obliquely upward with the excavator 10 while being conveyed with the soil by the excavating conveyor 10. At this time, as shown in FIG. 4, the starting end of the multi-film F is previously fixed to the field on the side of the fuselage by the pile A, or is wound around a drum (not shown) in a fixed state. The multi-film F is lifted from the cultivation ridge by the horizontal roller 30 through the second film guide 37 and the first film guide 28 to perform the harvesting operation. Is continuously removed by the film guide 37 and discharged to the side of the machine. When switching the emission side of the multi-film F, the second film guide 37 is inverted.

Before the soil falls from between the link rods during the transportation by the excavating conveyor 10, the worker sitting on the auxiliary worker boarding device 18 removes the vines, foliage, large lumps, stones, etc. other than root vegetables. Processing is performed. Only the root crops of the harvest discharged from the transporting end of the excavating conveyor 10 onto the sorting conveyor device 19 are transferred to the handrailing device 23 by the worker sitting on the worker boarding device 20 and the sorting worker boarding device 21.
The containers are sorted through 23 and stored in containers placed on the container mounting table 25. The soil and contaminants remaining on the sorting conveyor 19 fall from the transport end through the space 24 to the field. In the sorting conveyor device 19, FIG.
In the flat belt type 19a, almost all of the crops discharged from the excavating conveyor 10 are transported, and rods (bars)
In the conveyor type, soil and fine roots are dropped from between the rods.In the rope conveyor type, not only soil but also foliage, small potatoes, etc. are dropped.
Actively drop foliage, small potatoes, etc. and sort them.

Here, the potato harvester 1 has an engine 4, a transmission 5, and an operation unit (operation system) 7 disposed in front of crawlers (traveling devices) 3, 3, and an operator boarding device in the rear. 20, by disposing the sorting operator boarding device 21 and the crop mounting device 25, the front-back, left-right balance of the body 2 is improved, and workability and work accuracy are improved.
The traveling performance, turning performance, and stability of the body 2 are improved. Further, the traveling device (crawlers 3 and 3) is configured to be able to perform a super-revolution, and the transmission 5 is disposed at a central portion on the front side of the fuselage. You can turn in a well-balanced direction.
Therefore, the crawlers 3 and 3 do not greatly scrape the soil of the field.

A ridge follower 14 is provided in front of the excavating conveyor device 6 to follow the ridge along the length of the ridge to be harvested along with the movement of the body, and a pair of wheels which are in rolling contact with the inclined shoulders of the ridge to be harvested. 15 are opposed to each other and supported so as to be vertically adjustable and horizontally adjustable with respect to the excavating conveyor device 6, so that both wheels 15 automatically follow the ridge to be harvested and automatically steer the fuselage. Automatic excavation / conveyance by the take-up conveyor device 6 is performed. Therefore, the worker sitting on the worker boarding device 20 can spend most of his or her time on the sorting work except for the operation of steering the machine at the ridge end of the ridge to be harvested. Further, when the headland turning is performed at the field end, the excavating conveyor device 6 is folded by the hydraulic cylinder 12, so that the turning can be performed with a small turning radius together with the super turning of the crawlers 3 and 3. Multi-film F released to the field
Is collected by winding.

The first film guide 28 and the second film guide 37 in the first embodiment of the multi-film removing apparatus according to the present invention are the same as the first film guide 2.
8 is provided with a pair of vertical rollers 31 and 32, and a second film guide 37 is supported by a support arm 3 via a left-right rotation support portion 33.
Although the left and right sides are reversed by 4 so as to be located on the left or right side of the body, this may be fixed as in the second embodiment shown in FIG. That is, one (32) of the vertical rollers 31, 32 is omitted, and the horizontal roller 30a is pivotally supported by the left and right support arms 29a. Corresponding to the third film guide 39, a vertical roller 35a and a horizontal roller 36a are supported by a fixed support arm 38 on one side of the body to form a fourth film guide 40.

In the multi-film removing apparatus of the second embodiment, similarly to the first embodiment, the third film guide 39 and the fourth film guide 40 remove the multi-film F while removing the airframe. It can be discharged to one side and harvested by the excavating conveyor device 6. However, in the multi-film removing apparatus of the second embodiment, the discharge direction of the multi-film F cannot be switched left and right. Therefore, when the discharge direction of the multi-film F is to be switched, the third film guide 39 and the fourth film guide are required.
Needs to be replaced.

[0028]

As described above, according to the multi-film removing apparatus in the agricultural product harvester of the present invention, the following operational effects can be obtained.

[0029] A horizontal roller that is provided above the front of the excavating conveyor and that peels off the multi-film laid on the ridge to be harvested with the advancement of the machine and sends it back, and a multi-roller that is provided next to the horizontal roller and inherited from the horizontal roller A first film guide comprising a pair of vertical rollers for feeding a film to the left or right side of the machine, and a multi-film provided on one of the left and right sides of the machine and inherited from the first film guide is provided at the rear of the machine. And a horizontal roller adjacent to the vertical roller and feeding the multi-film inherited from the vertical roller toward the rear.
When digging agricultural products from the ridges to be harvested by the digging conveyor while the harvester is traveling, the multi-film laid on the ridges to be harvested is located next to the first film guide. The film is peeled off by the rollers and sent rearward, sent to the left or right side of the machine body via the vertical rollers, transferred to the vertical rollers of the second film guide, and discharged to the field via the horizontal rollers. Therefore,
The digging conveyor can continuously perform digging operations for agricultural products without being disturbed by the multi-film.

[0030] Since the second film guide is provided to be reversible so as to be located on either the left side or the right side of the machine, the second film guide is reversed and moved to either the left side or the right side of the machine, The multi-film peeled by the horizontal roller of the first film guide can be received and released to the left or right field of the machine,
Further, the switching of the second film guide to the left side or the right side of the body is simple because it is only necessary to invert the body.

[0031] A first film guide and a second film guide, or a third film guide in which one of the vertical rollers of the first film guide is omitted, and fixed to one side of the machine corresponding to the third film guide. Multi-film peeled from the ridge to be harvested by combining the first film guide and the second film guide or the third film guide and the fourth film guide Can be discharged to either the left or right side of the fuselage, or to one of the fields.

[Brief description of the drawings]

FIG. 1 is a plan view of an entire agricultural harvester provided with a multi-film removing apparatus according to a first embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a rear view of the same.

FIG. 4 is a perspective view showing the operation of the multi-film removing apparatus.

FIG. 5 is a plan view of an entire agricultural product harvester including a multi-film removing apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Potato (agricultural product) harvester 2 Body 3 Crawler 4 Engine 5 Transmission 6 Digging conveyor device 7 Operating part 8 Side frame (frame) 9 Digging blade 10 Digging conveyor 10a Rotating part 11 Vertical movement of dug conveyor device Hydraulic cylinder for adjustment 12 Hydraulic cylinder for folding of excavating conveyor device 13 Bracket 14 Ridge following device 15 Wheel 16 Vertical adjustment mechanism 17 Slide mechanism 18 Auxiliary worker boarding device 18a Step 18b
Seat 19 Sorting conveyor device 19a Flat belt type 20 Worker boarding device 20a Step 20b Seat 21 Sorting worker boarding device 21a Step 21b
Seat 22 Clutch lever 23 Handrail also serving as a strength member of the body 24 Space 25 Container mounting table 26 Straddling frame 27 Light 28 First film guide 29,29 Support arm 30,30a, 36,36a Lateral roller 31,31a, 32, 35, 35a Vertical roller 33 Left-right rotation support part 34 Support arm 37 Second film guide 38 Fixed support arm 39 Third film guide 40 Fourth film guide F Multi-film

Claims (3)

[Claims] 1. A self-propelled agricultural product provided with a digging conveyor for digging and transporting agricultural products vegetated in a field and a sorting conveyor for sorting from the front to the rear of the center of the body between the left and right traveling devices. In the harvesting machine, a horizontal roller provided above the front part of the excavating conveyor, peels off the multi-film laid on the ridge to be harvested and sends it backward with the advance of the machine body, and a horizontal roller provided next to the horizontal roller. A first film guide comprising a pair of vertical rollers for sending the multi-film inherited from the rollers to the left or right side of the machine, and a multi-film provided on one of the left and right sides of the machine and inherited from the first film guide A vertical roller that feeds the film toward the rear of the machine, and a horizontal roller that is adjacent to the vertical roller and feeds the multi-film inherited from the vertical roller toward the rear. Mulch film removal device according agricultural harvester, characterized in that it comprises a second film guide, a. 2. The multi-film removing device according to claim 1, wherein the second film guide is provided to be reversible so as to be positioned on either the left side or the right side of the body. . 3. A third film guide in which one of the first film guide and the second film guide or one of the vertical rollers of the first film guide is omitted, and a machine body corresponding to the third film guide. The fourth sticked to one side of the
The multi-film removing device in the agricultural product harvester according to claim 1 or 2, wherein the film guide is combined.