JP2002218823A - Divider of combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent that culms are left unreaped and that the reaped culms are fallen. SOLUTION: Inner dividers 5 which each comprises an inner dividing rod 6, an attaching plate 7 and the like and is upward inclined from a front place near to the surface of a field to a rear tooth device 9 to separate the culms to be reaped are disposed between both right and left dividers 4, 4 for separating the culms to be reaped. The inner dividers 6 are disposed on both the sides of rows, respectively, and laterally bent portions are disposed in the rear portions of the threshing depth adjustment device inner dividers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for separating a culm to be cut by inclining upward from an area near a front field to an upper side of a rear cutting device, between the left and right weeds for separating the culm to be cut. This is a technique related to a middle weeding device including a middle weeding rod and a mounting plate, and can be used as a combine weeding device.

[0002]

2. Description of the Related Art Harvesting of trichomes using a combine is performed by separating and raising trichomes at the left and right ends at the front end of a reaper, raising and squeezing with a raking reel device, and cutting. The mowing culm is cut by a blade device, and the cut culm is supplied to a squeeze transfer roller device of the squeeze transfer device, and is transferred toward a substantially end on one side of the squeeze transfer roller device. Transferred to the transfer conveyor device, transferred to the upper rear, supplied to the threshing machine, threshed and sorted by this threshing machine, and the sorted kernels are transferred and supplied to the grain storage tank for temporary storage. Is done.

[0003]

The weeds for separating the raised culm are provided at both left and right ends, and there is no member for separating and supporting the raised culm between the left and right weeds. However, the raised culm between the herd bodies is not separated or supported, and as a result, uncut leaves or stalks of the cut culm occur, causing scratching. In some cases, the transfer of the harvested culm to the scraping transfer roller device of the transfer device was not reliably performed.
It is intended to solve these problems.

[0004]

In order to achieve this, the present invention is directed to the invention according to the first aspect, in which the weeds 4, 4 at both right and left ends for separating the culm to be cut off and the separated cereal culm are separated. In a combine provided with a cutting blade device 9 for cutting and a raking transfer device 14 for raking and transferring a cutting culm, between the weeds 4 on both the left and right sides, a rear lower portion of the front lower part is near the field scene. A combine weeding device comprising a plurality of middle weeding devices 5 including a middle weeding rod 6 and a mounting plate 7 for separating a culm to be cut while being inclined to the upper part of the cutting blade device 9. Things.

In the invention according to claim 2, the middle weeding rod 6 of the middle weeding device 5 is provided on both the left and right sides of one streak of the culm to be cut. 1. A combine weeding apparatus according to item 1. According to the third aspect of the present invention, the rear end portion of the middle weeding rod 6 of the middle weeding device 5 is provided with a bent portion 6a bent in the lateral direction. Or a combine weeding device according to claim 2.

[0006]

According to the present invention, the harvesting operation of the pilgrim cultivars is performed by the combine harvester 4, which separates the culms to be cut at the left and right ends at the front end of the reaper. It is inclined from the vicinity of the field scene to the upper part of the cutting blade device 9 at the rear, provided on both the left and right sides of one row of the culm to be harvested, and the rear end is bent laterally. A middle reeling rod 6 having a curved portion 6a for separating culms to be harvested, and a plurality of middle weeding devices 5 including a mounting plate 7 and the like, while separating the raised culms and scraping reels. Raised by the device, raked, and cut by the cutting blade device 9, and the cut culm is supported by each middle weeding rod 6 of each middle weeding device 5, and raked by the raking transfer device 14. It is supplied to the transfer roller device, and in this supply, the harvested culm is fed down by the bent portion 6a at the rear end of the middle weed rod 6.

[0007] The supplied harvested grain culm is conveyed toward a substantially end portion of one side of the squeeze transfer roller device of the squeeze transfer device 14 and taken over by the transfer conveyor device of the squeeze device 14. Is transferred to the rear upper portion, supplied to a threshing machine, threshed and sorted by the threshing machine, and the sorted kernels are transferred and supplied to a grain storage tank for temporary storage.

[0008]

According to the first aspect of the present invention, a plurality of middle weeding rods 6 of a plurality of middle weeding devices 5 are provided between the weeding bodies 4 for separating the cereal stems at the left and right ends. By separating the culm to be cut, uncut culm can be prevented, and the culm can be prevented from being spilled by supporting the cut culm.

According to the second aspect of the present invention, the middle weeding rods 6 of the plurality of middle weeding devices 5 are provided on both the left and right sides with respect to the erected cereal culm that cuts one line. By supporting the cut culm cut by the middle weed rod 6, the culm falling to the field can be prevented, and loss of grain (head loss) can be prevented.

According to the third aspect of the present invention, the bent portion 6a is formed by bending the rear end of each middle weeding rod 6 of the plurality of middle weeding devices 5 in the lateral direction. The grain stalks are fallen down by the part 6a and supplied to the squeeze transfer roller device of the squeeze transfer device 14, whereby the stalks are smoothly supplied to and transferred to the squeeze transfer roller device. The grain stalks can be smoothly transferred and transferred from the transfer roller device to the transfer conveyor device of the scraping transfer device 14.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. A mowing machine 3 is provided at the front of the traveling platform 2 of the combine 1. At the right and left sides of the front end of the mowing machine 3, weeds 4, 4 for separating the trichomes are provided. Between the plants 4, a plurality of middle weeding devices 5 for separating the erected cultivars are provided. Each middle weeding device 5 is, for example, a middle weeding rod 6 which is inclined upward from a position near the field scene at the lower front to the upper part of the cutting blade device 9 at the rear.
, A mounting plate 7, a support plate 8, and the like. The middle weeding device 5 will be described mainly with reference to the drawings.

A traveling device 10 having a pair of left and right traveling crawlers 10a for traveling on a soil surface is disposed below the traveling platform 2 of the combine 1 as shown in FIG. Is a configuration in which the threshing machine 11 is mounted. The reaping culm is cut by the reaper 3 on the front side of the traveling chassis 2, and the reaping culm is removed by the scraping transfer roller device 12 of the reaper 3.
Transfer device 14 comprising a transfer conveyor device 13 and
Is transferred to the upper rear part by the transfer conveyor device 13 and supplied to the threshing machine 11 to be threshed, to collect the threshed and sorted kernels, and to temporarily store them. The configuration is such that it is placed on the upper side of the traveling chassis 2 on the lateral side.

At the front of the threshing machine 11 and at the front of the traveling chassis 2, there are provided mowing machines 3 as shown in FIGS. 1, 5 and 8, on both left and right sides of the front end of the mowing machine 3. Is provided with a weeding body 4 for separating the leeched culm to be cut, and a plurality of middle weeding devices 5 are provided in the cutting blade device 9 between the weeding bodies 4, 4 as shown in FIGS. Configuration. The middle weeding rod 6 of this middle weeding device 5 is provided, for example, made of a round bar, and is provided to incline upward from the position near the field scene at the lower front to the upper part of the rear cutting blade device 9. 6, a support plate 8 provided with an insertion groove 8a is fixedly provided on the lower surface thereof, and a mounting long hole 7a for mounting is provided at the rear end of the support plate 8 above the insertion groove 8a. The mounting plate 7 is fixedly provided.

The intermediate weeding device 5 is inserted into the cutting blade device 9 and has a mounting hole 9b for a finger 9a for receiving and supporting the cutting blade device 9, and a mounting length for the mounting plate 7 of the intermediate weeding device 5. Hole 7a
In this configuration, a bolt 7b or the like is inserted and tightened with a nut 7b. By separating the culm to be cut by the middle weed rod 6 of the middle weeder device 5, uncut culm is prevented, and furthermore, by supporting the cut culm, the stalk of the culm is prevented. is there.

The rear part of the middle weeding rod 6 of the middle weeding device 5 is fastened to the finger 9a, and
As a configuration inserted into a, a configuration in which the middle weeding device 5 is supported is a configuration in which support rigidity is improved. Thereby, the middle weeding rod 6 of the middle weeding device 5 is fixed to the substantially central position of the finger 9a, so that the flow of the rearward movement of the grain stalk is not obstructed. Due to the support, even when a load is applied to the distal end portion of the middle weeding rod 6, the middle weeding rod 6 does not swing and can maintain a stable scraping performance.

The middle weeding rod 6 of the middle weeding device 5 is provided so as to be located on the left and right sides of one of the trichome culms to be cut as shown in FIG. Accordingly, the middle weeding rod 6 of the middle weeding device 5 is provided on both the left and right sides of the single-edged standing corn culm. By being supported, it is possible to prevent grain culms from falling into the field, and to prevent grain loss (head loss).

The scraping transfer roller device 1 described in detail later
As shown in FIG. 4, the rear end of the middle weeding device 5 up to the middle weeding device 5 located near the right end of the supply port 13a of the transfer conveyor device 13 which receives the supply of the grain culms to be rubbed and transferred in 2 The portion has a configuration in which a bent portion 6a bent at a predetermined angle is provided in the right lateral direction. A bent portion 6a provided on the middle weed rod 6
May be provided on all the middle weeding rods 6 to be mounted.

By providing the bent portion 6a at the rear end of the middle weeding rod 6 of the middle weeding device 5,
The grain culm is fallen down at a, and is supplied to the squeeze transfer roller device 12 of the squeeze transfer device 14, whereby the stalks are smoothly supplied to and transferred to the squeeze transfer roller device 12. The cereal stalks are smoothly transferred from the scraping transfer roller device 12 to the transfer conveyor device 13 and transferred.

As shown in FIG. 1, FIG. 5, and FIG. 6, the weeding body 4 is driven by the traveling device 10 of the combine 1 with the rear end of the weeding support pipe 4a of the weeding body 4 as a rotation center 4b. Main transmission lever 1 provided on operation device 16 for setting vehicle speed
6a is provided with an ON-OFF switch type full-up switch 16b and a cutting height manual switch 16c.

As shown in FIGS. 5 and 6, the weeding body 4 is turned around the turning center 4b at the highest height position (c) by operating the full-up switch 16b. is there. When harvesting rice, wheat, soybeans, etc., the harvesting body 4 is controlled to move to the position (a) by the operation of the cutting height manual switch 16c, and the harvesting operation is performed. At the time of buckwheat harvesting operation, the operation of the cutting height manual switch 16c controls the movement of the weeding body 4 to the (B) position, and the harvesting operation is performed.

The weeding body 4 is a full-up switch 16b.
By this operation, as shown in FIG. This makes it easier to harvest furrows, and in the case of buckwheat harvesting, it is only necessary to operate the buckwheat cutting height position.
Cost can be reduced. Further, by setting the buckwheat harvesting operation position, it is possible to prevent the buckwheat from sticking.

As shown in FIGS. 5 and 8, on the upper side of the weeding body 4 and the middle weeding device 5, a hexagonal reel equipped with a reel rod 17a for raising and scraping a grain stalk to be cut. The device 17 is configured to be vertically rotatable by a support device 18 and rotatably supported by a shaft. On the rear side of the weeding body 4 and the middle weeding device 5, a cutting blade device 9 for cutting the separated and raked grain culm as shown in FIGS. 4 and 5 is provided. On the rear side, a scraping transfer roller device 12 of a scraping transfer device 14 for scraping and transferring the cut culm from both left and right sides to a substantially end portion on one side (left side) is provided. The scraping transfer roller device 12 is provided between the left and right plates 19a and 19b. The scraping transfer roller device 12 is rotatably supported on the scraping cylinder 20. Has a configuration in which a left spiral plate 20a for transferring to the left side, a scraping tooth 12b, and a right spiral plate 20c for transferring to the right side are attached and provided, and the grain stem is scraped and transferred.

The transfer roller device 12 of the transfer device 14 is provided at the rear side with a transfer conveyor device 13 which receives supply of grain from the transfer roller device 12 as shown in FIGS. Is provided. In the transfer case 21 of the transfer conveyor device 13, transfer chains 22 in which transfer lugs 22a are mounted at predetermined intervals are rotatably stretched, and each transfer lug 22a receives the supply of grain stem from the supply port 13a. , And is supplied to the threshing machine 11 after being transferred to the upper rear portion. A suction fan 23 that sucks dust in the transfer case 22 and discharges the dust to the outside of the machine is provided on the upper side surface of the transfer case 22 and substantially in the middle in the vertical direction.

At the front of the threshing machine 11, as shown in FIG. 8, an operating device 16 for performing operations such as starting, stopping and adjusting each part of the combine 1, and a control device on which an operator performing these operations is mounted. The seat 24 has a configuration provided in an operation room 25b formed by an operation room frame 25a. The engine 29 is mounted and the grain storage tank 15 is disposed below the cockpit 24 and on the upper surface of the traveling chassis 2. The traveling apparatus 10, the reaper 3, the threshing machine 11, the engine 29 and the like form a body 1 a of the combine 1.

A discharge / transfer device 26 for discharging grains is provided on the side of the grain storage tank 15 and substantially at the center in the front-rear direction, and the discharge / transfer device 26 vertically discharges grains to the outside of the machine. The transfer cylinder 27a includes an L-shaped joint transfer cylinder 27b formed of an elastic material at the upper end of the vertical transfer cylinder 27a, and a discharge auger 27c. The discharge auger 27c is configured to be able to pivot, move up and down, and expand and contract.

[0026] Between the grain storage tank 15 and the threshing machine 11, the second reduced product is discharged to a second processing chamber 11a provided above the threshing machine 11 for reduction. In addition to the provision of the reducing and frying device 28a, a threshing device 28b for feeding and feeding threshed and sorted grains into the grain storage tank 15 is provided.

As shown in FIGS. 9 and 10, the transfer conveyor device 13 is provided at the upper end of the transfer case 21 with an outlet 30 for supplying grain to be transferred to the threshing machine 11 and in the vicinity of the upper end. , An upper drive shaft 31 is provided so as to be pivotally supported. On both left and right sides of the upper drive shaft 31,
The sprockets 31a, 31a are provided so as to be pivotally supported, and each of the sprockets 31a and each of the lower sprockets 31b have a configuration in which transfer chains 22, 22 are stretched. , And the transfer lugs 22a are mounted at predetermined intervals.

Support plates 32a are fixedly provided on the inner surfaces of the left and right side walls of the transfer case 21 of the transfer core conveyor device 13, and the support plates 32a, 32a are provided with guide plates 32a.
Is mounted with bolts and nuts. Thereby, the transfer chains 22, 2 of the transfer conveyor device 13
The grain stalks transferred by the respective transfer lugs 22a provided in 2 can be prevented from being carried around by the guide plate 32 and the stalks can be prevented from being wound around the upper drive shaft 31.

The upper drive shaft 3 of the transfer conveyor device 13
1, and each sprocket 31a on the left and right sides of the lower shaft 33,
As shown in FIGS. 11 to 13, upper and lower metals 34 a and 34 b made of a resin material or the like are attached to the upper drive shaft 31 and the lower shaft 33 by bolts and nuts inside the 31 b. At the same time, upper and lower winding prevention cylinders 35a and 35b are provided in a substantially semicircular shape at both ends in a superposed state, and the upper and lower winding prevention cylinders 35a and 35b are provided with upper and lower inner diameter portions on both left and right sides.
The upper and lower support plates 36a and 36b are fixedly provided on the inner side surfaces of the lower metals 34a and 34b.

The upper and lower winding prevention cylinders 35a and 35b are mounted by using bolts, nuts, and the like on the overlapping portions at both ends. This is a configuration performed after mounting the metals 34a and 34b. Thereby, the winding of the cereal stem around the upper drive shaft 31 and the lower shaft 33 can be prevented. In addition, upper and lower winding prevention cylinder 3
5a and 35b are easy to mount and easy to maintain because they can be assembled later. Further, even when a load is applied to the upper and lower winding prevention cylinders 35a and 35b, distortion can be regulated by the upper and lower support plates 36a and 36b. Further, since the upper and lower metals 34a and 34b are formed of a resin material, noise can be prevented.

[Brief description of the drawings]

Fig. 1 Enlarged side view of the middle weeding device

FIG. 2 is an enlarged side perspective view of the medium weeding device.

FIG. 3 is an enlarged plan view of the middle weeding device part.

FIG. 4 is an enlarged plan view of a middle weed rod.

FIG. 5 is an enlarged side view of the herbicide body

FIG. 6 is an enlarged side view of a main transmission lever portion.

[Fig. 7] Enlarged side view at the time of work on the furrow of the weed body.

FIG. 8 is an overall side view of the combine.

FIG. 9 is a view showing another embodiment, and is an enlarged side view of a guide plate portion.

FIG. 10 is a view showing another embodiment, and is an enlarged plan view of a guide plate portion.

FIG. 11 is a view showing another embodiment, and is an enlarged plan sectional view of a winding prevention cylinder portion.

FIG. 12 is a view showing another embodiment, and is an enlarged sectional view taken along line AA of FIG. 11;

FIG. 13 is a view showing another embodiment, and is an enlarged sectional view taken along line BB of FIG. 11;

[Explanation of symbols]

 4 Weeding body 5 Medium weeding device 6 Medium weeding rod 6a Bending part 7 Mounting plate 9 Cutting blade device 14 Scraping transfer device

Continuation of the front page (72) Inventor Hiroshi Hasegawa 1-Yachikura, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd. F-term (Reference) 2B081 AA03 CC17 DA03 DA11

Claims (3)

[Claims] 1. Weeding bodies 4, 4 at both right and left ends for separating a culm to be cut, a cutting blade device 9 for cutting a separated cereal stem, a scraping transfer device 14 for scraping and transferring a cut cereal stem, and the like. In the combine provided with a middle weeding rod 6, which separates the culm to be cut by inclining from the vicinity of the field scene at the lower front to the upper part of the cutting blade device 9 at the rear, between the left and right weeding bodies 4, 4 A combine weeding device comprising a plurality of middle weeding devices 5 comprising a mounting plate 7 and the like. 2. The combine weeding according to claim 1, wherein the middle weeding rods 6 of the middle weeding device 5 are provided on both the left and right sides of one streak of the culm to be cut. apparatus. 3. The middle weeding device 5 according to claim 1, wherein a rear end portion of the middle weeding rod 6 is provided with a bent portion 6a bent in a lateral direction. A combine weeding apparatus according to Item 1.