JPS5813310A - Grain stalk erecting apparatus of combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a culm raising device for raising up a fallen culm in a reaper.

The culm lifting device attached to a combine harvester or binder reaper is located behind the weeding body installed at the front end of the machine, and is equipped with a lifting chain that runs inside a chain case. has a large number of lugs placed at regular intervals. The tip of the culm, which has been raked by the weeding body, is scooped up by the lugs that rotate as the chain runs and is conveyed upward, so that the culm stands up and its root portion is harvested. , in such a raising device,
Since the direction of rotation of the lugs is across the direction of movement of the machine, descending on the outside of the machine and rising on the inside,
The lifting effect is good for shell culms that are lying down in a direction parallel to the direction of travel, but the weeding and raising effects are not good for shell culms that are lying down across the machine platform. There was a drawback that the culm to be harvested and the culm to be removed to the machine were intertwined with each other, resulting in breakage and shedding of the ears, or the ears were laid down on the rolling rollers. Therefore, in order to eliminate this drawback, conventionally, in order to eliminate this drawback, another auxiliary pulling device is provided near the pulling device, the running direction of the lugs being orthogonal to this, or the protruding direction is perpendicular to the conventional pulling chain. It has been proposed and used to alternately arrange two types of lugs to cope with culms that have fallen in each direction, but conventional devices of this type are
Each has the disadvantage that the drive transmission system is complicated because the tension directions of the chains are orthogonal to each other, or that a satisfactory pulling effect cannot be expected because the orthogonal lugs are too close together. was.

The present invention was made in view of the above points.

By installing an auxiliary traction device near the existing main traction device, which is drivingly connected to it through a spur gear, etc., and whose sprocket axis direction is parallel and the lug protrusion direction is orthogonal, the transmission mechanism can be simplified and the auxiliary traction device can be used. To provide a culm pulling device for a reaper which makes it easy to attach and detach the device and improves the weeding and pulling effects. Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

Figures 1 to 5 show an embodiment of a culm pulling device according to the present invention, Fig. 1 is a side view of a combine harvester implementing this, and Figure 2 is a culm pulling device. front view, sliding door 3
4 is an enlarged side view of the pulling chain and lug as viewed from A in FIG. 2, and FIG. 5 is an enlarged cross-sectional view along line BB of FIG. 3. In the figure, a bracket 3 and a hydraulic cylinder 4 are attached to the front end of a running frame 2 that connects the left and right running rollers 1 of the combine. It is supported by a hydraulic cylinder 4. That is, a tubular reaping frame 1 extending downward is swingably supported on a reaping bearing 6 on the bracket 3, and the piston rond acting end of the hydraulic cylinder 4 is pivotally connected to the lower end of the reaping frame 7. ing. Reference numeral 8 denotes a lifting gear box extending perpendicularly to the lower end of the reaping frame T in the machine width direction. The reaping drive shaft is drivingly connected to the reaping drive shaft by a transmission shaft passing through the reaping frame 7 and gear devices at both ends thereof.

Further, at the tips of the plurality of weeding rods 10 extending forward from the gearbox 8, a weeding body 11 is attached that cuts through the rows of culms in the field and determines the cutting width. At the rear of the machine 10, a clipper-shaped cutting blade 12 for cutting the base of the culm is provided close to the ground and extending in the width direction of the machine.

On the other hand, a plurality of lifting pipes 13 extend diagonally upward from the lifting gearbox 8 and extend through and pivotally support a transmission shaft which is drivingly connected to the lifting drive shaft 9. The culm lifting device indicated by reference numeral 14 is supported by the upper end of this lifting pipe 13 and a stay 15 protruding from the dividing rod 9, and is driven by a transmission shaft inside the lifting pipe 13. ing. That is, each pulling pipe 1
3 are connected by a horizontal front cover 16, and a plurality of (four in this embodiment) main lifting devices 1 are connected to each other by a horizontal front cover 16.
7, both upper and lower ends of the chain case 18 are supported by the front cover 16 and the stay 15. A drive sprocket shaft 19, which is drivingly connected to a transmission shaft in the lifting pipe 13, is supported by the upper end of the chain case 18 and the front cover 16. Due to the rotation of the driving sprocket 20, there is an arrow C in the figure between the driven sprocket 22 which is attached to the driven sprocket shaft 21 at the lower end of the case 18.
A pulling chain 23 running in the direction shown by is stretched. A large number of lugs 24 are arranged at regular intervals on this lifting chain 23, and these lugs 24 rotate as the lifting chain 23 runs, and on the descending side, they are laid down and stored in the chain case 18. At the same time, it is configured to stand up at the lower end of the chain case 18 by means of a lug guide (not shown) provided in the chain case 18, and to rise while protruding from the chain case 18 in the machine width direction on the rising side. In this embodiment, four main lifting devices 17 are provided, two of which constitute one set, and the two of each set are arranged symmetrically so that the tips of the protruding lugs 24 are opposed to each other. formed into a shape.

Out of the four main lifting devices 17 configured in this way, the outer two are provided with auxiliary lifting devices, generally designated by the reference numeral 25. This auxiliary pulling device 25 includes a chain case 26 whose upper end is joined to the upper end opening of the chain case 18 and hangs down parallel to the chain case 18. are arranged out of phase with respect to the chain case 18. At the upper end of the chain case 26,
A drive sprocket shaft 27 is rotatably supported, and both drive sprocket shafts 19, 27 have gears 28.
The drive sprocket 30 is pivoted to the drive sprocket shaft 27, and the drive sprocket 30 is pivoted to the drive sprocket shaft 27, and the shafts 19 and 27 are configured to rotate in opposite directions. A pulling chain 33. which runs in the direction shown by the arrow in the figure as the driving sprocket 30 rotates is connected to the driven sprocket 32 which is pivotally attached to the driven sprocket shaft 31. is being strung up. The link plates 34 of the pulling chain 33 are replaced with link brakes 34A formed in the shape of bearings at predetermined pitches, and the link plates 34A include:
A lug 35 is pivotally mounted on a lug shaft 36. This rug 35
The base 3 rotates as the lifting chain 33 runs, falls down on the lowering side, and is stored in the chain case 26, and is attached to the lug guide 37 at the lower end of the chain case 26.
Since the chain case 26 is provided with a T-shaped groove 3B, the lug 35 protrudes from this groove 38 in the direction of movement of the machine and continues upward. By traveling along the lug guide 3T, it rises while protruding and falls down at the end of the groove 38.

On the other hand, above the cutting blade 12, there is provided an endless scraping belt 39 made of rubber having a plurality of integrally formed lugs, and a scraping bar consisting of a cylindrical case and a scraping bar protruding from the circumferential surface thereof. A device 40 and an endless conveyance chain 41 are provided coaxially, and further above the device 40, 4. (A tip chain and a lug 1, 43 are provided. 44 is an operating device equipped with various operating functions.

The operation of the reaping machine 5 configured as above will be explained. As the machine moves forward, the culms to be planted in the field are raked by the weed cutting body 11, the cutting width is determined, and the culms are guided to the base of the main pulling device 1T. The lug 24 descends here and rises while standing up, so that the tip of the husk is scooped up and conveyed upward to stand up, and the root portion is conveyed to the reaping position. Then, cut the root part with the cutting blade 1
2 and raked into the conveyance path by the raking device 40, the tip of the ear is released from the main lifting device 17.
The culm is captured and transported by a transport chain 41 and a tip transport device 42, and the root portion is further transferred to a root transport device 43 and transported to a threshing machine where it is threshed.

In the reaping work carried out in this manner, there is a culm that has been raked by the weeding body 11 and is then reaped, traverses the kinks, and lies down toward the tip 0 cut culm row. Further, among the uncut culms, there is a shell culm that crosses the cutting body 11 from the outside and lies down with the tip of the head toward the main lifting device 17 side.

That is, these culms intersect with each other on the cutting body 11 with their tips pointing in opposite directions, but as the machine advances, the lug 35 of the auxiliary lifting device 25 protrudes from the groove 38 and rises. Therefore, the lodging grain culm is scooped up by this lug 35 and conveyed upward, thereby dividing it into a reaping husk culm and an uncut culm, and the reaping husk culm is moved by the main lifting device 17.
At the same time, the uncut culm is removed to the side of the machine.

In this case, the lugs 24 and 35 of the picture lifting devices 17 and 25 are close to each other at an appropriate distance without being too far apart, so that the weeding effect of the culm is good, and both lifting chains 23 Since the tension direction of .33 and the chain case 18.26 are parallel to each other, the transmission mechanism is a spur gear,
The mechanism can be simplified by using a belt or the like, and the support structure for the chain case 18.26 can also be simplified.

Although this embodiment shows an example in which the present invention is applied to a combine harvester reaping machine, it goes without saying that the present invention can also be applied to a binder reaping machine.

As is clear from the above description, according to the present invention, in a reaper, the sprocket shaft is connected to the existing main pulling device in the vicinity of the existing main pulling device, and the sprocket shafts are parallel to each other, and the protruding directions of the lugs are mutually parallel. By installing an auxiliary lifting device perpendicular to the main lifting device, it is possible to bring the auxiliary lifting device close to the main lifting device while maintaining an appropriate distance, which significantly improves the performance of separating and lifting fallen shell culms. This greatly reduces grain loss due to ear breakage and shedding. Further, since the chain tensioning direction of both pulling devices and the chain case are parallel to each other, the transmission mechanism and the support structure of the chain case are significantly simplified. ,

[Brief explanation of drawings]

1 to 5 show an embodiment of the grain/culm lifting device according to the present invention, and FIG. The figure is a side view of the combine harvester that implemented this, Figure 2 is a front view of the culm pulling device, Figure 3 is the same side view, Figure 4 is the second figure of the pulling chain and lug. A enlarged side view, Figure 5 is BB of Figure 3
It is an enlarged sectional view. 5...reaper, 14...culm pulling device, 17
...Main pulling device, 19... Drive sprocket shaft, 21... Life-driven sprocket shaft, 23-... Pulling chain, 24φ/Strike/Lug, 25... Auxiliary pulling Device, 27... Working/driving sprocket shaft, 30...
... Drive sprocket, 31e... Driven sprocket shaft, 32... Reference driven sprocket, 33... Pulling chain, 35@... Lug. Patent applicant: Iseki Agricultural Machinery Co., Ltd. Agent Masaki Yamakawa (and one other person) Figure 2 Figure 4 50 Figure 3 Figure 5

Claims (1)

[Claims] A reaping device equipped with a main pulling device in which a lowering travel path and an upward traveling path of the pulling chain are parallel to each other in the width direction of the machine base, and the protruding direction of lugs arranged at regular intervals on the chain is in the width direction of the machine base. In the machine, the upper and lower sprocket shafts are parallel to each of the upper and lower sprocket shafts of the main pulling device, and the upper and lower sprocket shafts are drivingly connected between either the upper or lower parallel shaft, and the sprocket shafts are stretched between the four sockets on these upper and lower sprocket shafts. A reaper characterized in that it is provided with an auxiliary pulling device consisting of a pulling chain and a plurality of lugs arranged at regular intervals on the pulling chain and whose protruding direction is in the direction of movement of the machine base. Culm pulling device.