JPS6124047Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a fixing structure for a feed chain rail and a waste straw processing section of a combine harvester.

Conventionally, in combine harvesters in which a feed chain placed on the side of the threshing section is located below and conveys the grain while holding it between the pincer rods above the chain, the feed chain has a guiding function. Since the feed chain rail, which performs In addition, in a waste straw processing machine installed at the rear end of a combine, the waste straw is disposed of on the side where the stock of waste straw to be transferred to the combine processing machine is located, that is, on the machine body side where the feed chain is installed. The end of the straw processing machine is in a protruding state, and the protruding part has no supporting member.
I was worried about the strength of the fit.

In this device, the feed chain installed on the side of the threshing section is located below, and the feed chain is configured to transport and thresh grain by holding it between the feed chain and the clamping rod above the chain. By configuring the rear end of the chain rail and the end on the side of the waste straw processing section to be directly connected and fixed to the dust suction and exhaust device located between them, the rear end of the feed chain rail and the end on the side of the waste straw processing section can be fixed. The present invention aims to provide an economical fixing structure for the feed chain rail and waste straw processing section of a combine harvester, which is fixed with a simple structure, does not require a dedicated support frame, etc.

Describing the embodiment of this invention in detail based on the drawings, A indicates a combine harvester, which has a reaping section a at the front, a threshing section b at the rear, and a sorting section below the threshing section b. A part c is provided at the rear, and a waste straw processing part d is installed at the rear, and while the traveling part e described below is running, the grain culm harvested by the reaping part a is threshed by the threshing part b, and the grain is sorted by the sorting part c. Perform grain sorting,
The threshed waste straw is shredded in the waste straw processing section d.

The threshing section b stores a handling barrel 2 in a handling chamber 1, and a straw conveying device 3 is provided on the side of the handling chamber 1. The grain culm is sandwiched and conveyed between the pincer rod 4 and the feed chain 5, and the grain is threshed by the handling cylinder 2.

The feed chain 5 is configured to rotate around a feed chain rail 6, and the feed chain rail 6 functions as a guide for the feed chain 5 and a chain support. Moreover, the rail 6 is disposed in an overhanging state protruding outward from the outer wall 7 of the handling room 1, and an idler wheel 8, at the front and rear ends, respectively.
A drive wheel 9 is provided, and a feed chain 5 is suspended between the idler wheel 8 and the drive wheel 9.

Moreover, the front end of the feed chain rail 6 is fixed to the machine frame m of the combine main body, and if necessary, the middle part of the rail 6 can also be supported and fixed with a support member such as a stay.

The rear end of the feed chain rail 6 has a threshing part b
It is connected and fixed to the dust suction/exhaust device 10 located at the rear as follows. That is, the part located behind the threshing part b and the rear of the sorting part c is the end of the wind sorting action, and the part that is located behind the threshing part b and the rear part of the sorting part c is the end of the wind sorting action, and the sorting wind from the winnower 11 of the sorting part c and the swinging sorting action of the swinging sorting device 12 are combined. As a result, the dust is collected and sent to the terminal end of the sorting section c, and a dust suction/exhaust device 10 is provided at the terminal end of the sorting section c in order to discharge the dust etc. out of the machine. The dust suction and exhaust device 10 is installed on the outer wall 13 of the machine frame at the end of the sorting section c.
, a dust suction/exhaust case 14 having a part of the outer side overhanging from the outer wall, a fan 15 housed in the case, a dust exhaust port 16 provided in communication with the case 14, and the case. 14, and by operating the dust suction/exhaust device 10 at the terminal end of the sorting section c, dirt, etc. is sucked in from the dust suction section 17 and discharged from the dust exhaust port 16. It is. In addition, 1
8 is the axis of the fan 13, 19 is a pulley connected to the same axis, and 20 is the axis 1 of the fan 15 in conjunction with the prime mover.
This is a belt that transmits power to 8.

The dust suction/exhaust case 14 has a front connecting body 22 connected to its outer surface 14-1 by bolts 21.
The front end of the front connecting body 22 is connected to the rear end side surface of the feed chain rail 6 with a bolt 23, and the front end of the front connecting body 22 is connected to the rear end side of the feed chain rail 6 with a bolt 23.
0 means that they are connected to each other via the front connecting body 22, and the rear end of the feed chain rail 6 is supported by this connecting structure.

Further, the rear part of the dust suction/exhaust device 10 and the straw removal processing section d are connected and fixed in the following manner.

That is, a waste straw processing section d is located behind the dust suction/discharge device 10, and a waste straw transfer device 24 that takes over and transfers waste straw from the end of the feed chain 5 is located at the rear of the dust suction/discharge device 10. It extends diagonally backward to the waste straw processing section d, and the waste straw that has reached the waste straw processing section d from the feed chain 5 via the waste straw transfer device 24 is
It is cut by the cutter 25 in the processing section d.

Reference numeral 26 denotes a case in the waste straw processing section d, and the outer part of the case protrudes partially from the outer surface of the machine frame m in an overhanging state, and a bracket 27 is connected to the protruding part. has been done.

The bracket 27 is connected and fixed to the rear part of the dust suction/discharge device 11 to connect the waste straw processing section d to the rear part of the dust suction/discharge device 14. In other words, the bracket 27 is connected to the outer surface 14 of the dust suction/discharge case 14. -1, a rear connecting body 28 is provided to protrude rearward, and the rear connecting body 28 and the bracket 27 of the dust suction/exhaust case 14 are connected and fixed by bolts 29. The waste straw processing section d is connected and fixed to the rear part of the dust suction/exhaust device 10 by the rear connector 28 and the bracket 27.

30 is a connection part between the dust suction and exhaust device 10 and the machine frame m of the combine main body, and is connected to the above-mentioned rear connection body 2.
8, other connecting parts 30
It is connected and fixed to the machine frame m of the combine main body by means of.

In addition, in the figure, 31 is the No. 1 conveyor, and 32 is the No. 2 conveyor.

In the embodiment of this invention, the structure is as described above, and the grain culm cut by the reaping section a is transported by the feed chain 5, threshed in the threshing section b, and transferred to the waste straw. The grains are transferred to the waste straw processing section d by the device 24 and subjected to processing such as binding or cutting, while the grains threshed in the threshing section b are sorted in the sorting section c, and the straw etc. are collected at the rear end of the sorting section. The dust is sucked in by the dust suction/exhaust device 10 in the machine and discharged to the outside of the machine.In the process of reaping, threshing, sorting, and waste straw treatment by the combine harvester, the feed chain rail 6 that guides and supports the feed chain 5 is Like the same rail, the rear end is connected to the outer surface 1 of the dust suction/exhaust case 14 that partially overhangs the outer surface of the machine frame m of the combine main body.
4-1, which eliminates the need for attaching arms to support only the feed chain rail as in the past, and the case 26 of the waste straw processing machine in the waste straw processing section d is also fixed in the outward direction. In an overhanging state, the bracket 27 and the rear connecting body 28 connect and fix the straw discharging section to the rear part of the dust suction/discharge case 14. Since the overhanging portion can be fixed, the overhanging protruding portion can be prevented from being damaged or destroyed even if it is inadvertently exposed to external contact.

According to this invention, the dust suction/exhaust device 10 from which a part of the dust suction/exhaust case 14 also protrudes by utilizing the portion where the feed chain rail and the waste straw processing section both protrude in an overhanging state from the outer surface of the machine frame of the machine body. Because it is connected and fixed to the feed chain rail, it is no longer necessary to provide a dedicated support arm for fixing the feed chain rail in conventional under-chain type straw conveying structures where the feed chain rail is located below the clamping rod. In addition to the structure, a part of the overhang part of the waste straw processing section is also connected and fixed to the dust suction and exhaust device, so the feed chain rail,
The dust suction/exhaust device and the straw removal processing section are connected and fixed together in a continuous manner, resulting in a connected and fixed structure with sufficient strength, eliminating the need for a dedicated support member, which is advantageous in terms of cost, and furthermore, reducing overload. Even if the hang portion protrudes during movement or other operations of the combine, even if it accidentally comes into contact with another object, the connected structure is as strong as possible and helps prevent damage, providing a combine with a strong structure. It has a soothing effect.

[Brief explanation of the drawing]

FIG. 1 is a side view of the combine harvester of the proposed structure. FIG. 2 is a perspective view of the main parts. FIG. 3 is a schematic plan view of the main parts. A: Combine harvester, m: Machine frame, a: Reaping section, b:
Threshing section, c: sorting section, d: waste straw processing section, e: running section, 1: handling room, 2: handling cylinder, 3: straw conveying device,
4: Pincer rod, 5: Feed chain, 6: Feed chain rail, 7: Outside wall, 8: Idler wheel,
9: Drive wheel, 10: Dust suction/exhaust device, 11: Karaoke, 1
2: Oscillating sorting device, 13: Machine frame outer wall, 14: Dust suction/exhaust case, 14-1: Outer surface, 15: Fan,
16: Dust exhaust port, 17: Dust suction part, 18: Shaft, 19:
Pulley, 20: Belt, 21: Bolt, 22:
Front connecting body, 23: Bolt, 24: Straw removal device, 25: Cutter, 26: Case, 27: Bracket, 28: Rear connecting body, 29: Bolt, 3
0: Connection part.

Claims (1)

[Scope of utility model registration request] In a combine harvester configured to convey and thresh grain by sandwiching the feed chain disposed on the side of the threshing section with the feed chain located below and the clamping rod above the chain, the rear end of the feed chain rail and a fixing structure for a feed chain rail and a waste straw processing section of a combine, which is configured to connect and fix the side end of the waste straw processing section to a dust suction/discharge device located therebetween.