JPH04356127A - Rocking selecting device in thresher - Google Patents

Abstract

PURPOSE:To obtain the title device facilitating maintenance and inspection by taking in and out a rocking and selecting part wherein the rocking and selecting part arranging plural selecting parts is supported in a wind path from the lower part of a squeezing chamber to a rear dust selecting chamber, divided in a middle part, and the divided parts are detachably connected. CONSTITUTION:In a rocking and selecting device of thresher wherein a rocking and selecting part arranging a first selecting part and a second selecting part in this order is supported longitudinally rockingly in a selecting wind path from the lower part of a squeezing chamber 2 of harvester such as combine to a rear dust selecting chamber thereof, the rocking and selecting part 8 is divided into a front half part 8X and a rear half part 8Y partially including a transporting part 5 at a place near the rear of the transporting plate 5, the middle part of the rocking and separating part. The divided parts are detachably connected, a side wall corresponding to the front half part 8X of the rocking and selecting part 8 is equipped with an openable and closable opening part X, a rear wall is provided with an opening part Y, the front half part 8X of the rocking and selecting part 8 can be taken in and out from the front side opening X and the rear half part 8Y from the rear wall 35 opening part Y to facilitate maintenance and inspection of the rocking and selecting part 8.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a threshing machine mounted on a harvesting machine such as a combine harvester, and particularly to a swinging sorting device for a large-sized threshing machine.

0002

[Prior Art] Conventionally, a swinging sorting body equipped with a first sorting section and a second sorting section in order from the front is oscillated back and forth in a sorting air path extending from the lower part of a handling chamber to an exhaust dust sorting section behind it. A rocking sorting device for a threshing machine is already known in which the rocking sorting body is supported in such a manner that the rocking sorting body is taken out from an opening provided in the rear wall of the dust sorting chamber when maintenance or inspection is performed.

0003

[Problems to be Solved by the Invention] The known threshing machine has the following features:
There is a flow plate and other protrusions on the bottom, making it difficult to insert and remove the swinging sorter from the rear.In general, the swinging sorter extends almost the entire length of the machine, so it cannot be used for large-scale threshing. The length and weight of the machine have become extremely large, making it extremely difficult to take it in and out.

0004

[Means for Solving the Problems] The present invention provides a swing system in which a first sorting section and a second sorting section are arranged in that order in a sorting air path extending from the bottom of a handling chamber to an exhaust dust sorting room behind the handling chamber. In a threshing machine in which a sorting body is supported so as to swing back and forth, the swinging sorting body is divided in the middle, and the divided parts are removably connected, and a side wall corresponding to the front half of the swinging sorting body is connected. It is configured to be openable and closable, and an opening is provided in the rear wall so that the front half of the swing sorting body can be taken in and out from the front side opening, and the rear half can be taken in and out from the opening in the rear wall. This solved the problem mentioned above.

[0005]

[Operation] When performing maintenance and inspection on the oscillating sorter, the opening on one side of the front part is left open, and the middle connection part of the oscillating sorter can be separated by inserting your hand through this opening. Then, remove the swing support part of the rear half, take out the front half from the opening on the side of the front part, and pull out the latter half from the rear opening for maintenance and inspection. When maintenance and inspection are completed, the front half is inserted through the opening on the side of the front part, and the rear half is inserted through the opening in the rear wall to connect them and attach them to the swing support.

[0006]

[Embodiment] An embodiment of the present invention is explained about a combine threshing machine shown in the drawings. 1 is a handling barrel mounted on a shaft in a handling chamber 2, and is formed by a blower fan 4 installed below a supply port. The sorting air path that extends from the bottom of the handling chamber 2 to the dust sorting room behind it includes a transfer plate 5 facing the bottom surface of the receiving screen 3, and a transfer plate 5 facing the top of the receiving gutter and forming the first sieve sorting section. a sorting net 6, a first flow plate 6a provided below the screen, and the first flow plate 6a.
A second transfer plate 7a that is connected to the rear surface of the upper end and faces the second receiving gutter, a straw rack 7 that constitutes the second sieve sorting section, and a number of strip plates that are arranged above the sorting net 6. A swinging sorting body 8 consisting of a rough sorting section 6b which is arranged in a row at a distance in the front and back is moved by two pairs of front and rear swinging arms 8a, 8a, 8b,
The upper surface of the handling cylinder 1 has a cylinder cover 10 that opens and closes centering on the back side.
A feed chain 11 and a pinch rail are installed on the outside of the handling port.

As shown in FIG. 1, the oscillating sorting body 8 is divided into a front half 8X near the rear of the transfer plate 5, which is an intermediate part thereof, and a rear half 8Y including a part of the transfer plate 5. The front side of the front half 8X is placed on a horizontally long downward U-shaped holder B whose left and right end plates are rotatably supported by the shaft A at the top of the swing arms 8a, 8a. are overlapped and removably screwed together with a plurality of bolts C..., and at the rear, the left and right end plates are rotatably supported by a support shaft D connected between the side plates of the swinging sorter 8. The upper part of the drive arm G is mounted on a downward U-shaped holder E and is removably screwed onto the holder E by a plurality of overlapping bolts C'. , is connected to the swing sorting body 8 by a shaft H, and the lower part is interlocked and connected via a rod I to the eccentric position of the wheel J attached to the most helical shaft. The rear end portion of the filter is configured to penetrate below the support shaft D to prevent the material to be sorted from leaking.

Further, a processing chamber 13 is provided at the rear from the outside of the dust inlet 12 provided on the side near the rear of the processing chamber 2, and the outer plate 14 of the processing chamber 13 can be opened and closed centering on the lower part. The processing cylinder 1 is hinged and is housed in the processing chamber 13.
The shaft 16 of 5 is supported by the front and rear walls of the outer plate 14, and the front end is connected to the input shaft 17 by a universal joint 2 having an expansion joint 18.
Hooks 21, 22, and 23, which are interlocked and connected by 0 and pivoted at the front, middle, and rear parts of the upper part of the outer plate 14, are attached to the pin 25 on the rear wall 24 of the processing chamber, and the frame 2 on the upper outer side of the processing chamber 13.
The outer opening X of the universal joint 20 is covered by a side lid 30 that can be opened and closed.

The side wall in front of the front wall 31 of the processing chamber 13 has an opening X, and the side lid 30 that closes this opening X is hinged at the lower part and is secured by bolts 33. The receiving net 3 and the front half 8X of the swing sorting body 8, which are removably attached, can be taken in and out from this opening X. Further, the rear wall 35 of the dust sorting chamber is provided with an opening Y through which the rear half 8Y of the swinging sorting body 8 can be inserted and removed. 39... (or a hook and a locking pin) is used to attach and detach it. 42 is a hook for attaching and detaching the receiving net 3, 47 and 50 are arms, and 48 and 50 are bearing parts.

In the combine harvester equipped with the above-mentioned threshing device, the grain stalks that have been harvested, transported, and supplied are transported while being held between the feed chain 11 and the starting end of the pinching rail, and the ear side is connected to the supply port. The waste straw is inserted into the handling chamber 2 and subjected to grain threshing processing by the handling barrel 1, and the waste straw is discharged from the culm discharge port and conveyed by the waste straw conveying device 40, and grains containing small straw waste leaked from the receiving net 3 are collected. is transferred backwards while being subjected to specific gravity sorting by the front half 8X of the transfer plate 5, falls from the dividing section, is further transferred and reaches the sorting net 6, where it is subjected to wind selection and sieve sorting.
The leaked grains fall into the first receiving gutter and are carried out of the machine, and while being transferred on the straw rack 7 containing the second grains, they undergo sieve sorting and winnowing, and the second grains that leaked are removed. The straw waste is transferred to the side and then reduced again, and the straw waste is discharged outside the machine by a suction type dust removal windmill 41.

[0011] When performing maintenance and inspection on the oscillating sorting body 8,
Fasten the front side lid 34 and rear lid 38 with the bolts 33...
, 39... and then remove it, then insert your hand through the front opening . In addition, the rear half 8Y and the rear part are
Swing sorter 8 of swing arms 8b, 8b and drive arm G
Remove the attachment part and pull it out from the rear opening Y for maintenance and inspection. Once maintenance and inspection are complete, insert and assemble into the machine in the reverse order of removal.

0012

Effects of the Invention The present invention provides an oscillating sorting body 8 in which a first sorting section and a second sorting section are arranged in that order in the sorting air path extending from the lower part of the handling chamber 2 to the exhaust dust sorting room behind it. In this thresher, the oscillating sorting body 8 is divided in the middle and the divided parts are removably connected, and a side wall corresponding to the front half 8X of the oscillating sorting body 8 is provided. An opening X that can be opened and closed is provided in the rear wall 35, and an opening Y is provided in the rear wall 35 so that the front half 8X of the swing sorting body 8 can be opened from the front side opening Since it is constructed so that it can be taken in and out from part Y, even if the threshing machine is large and the length and weight of the swing sorting body 8 are extremely large, when the middle part is uncoupled, the front half part 8X and the rear half Y can be made significantly shorter and lighter than the entire swing sorting body 8, and the front half 8X can be easily accessed from the front side opening X provided close to the side thereof. Although the rear part 8Y has irregularities such as the first flow plate and the second flow plate at the bottom of the sorting air path, it is short and light and can be easily inserted and removed. be able to.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of a threshing machine.

FIG. 2 is a plan cross-sectional view of the same as above.

FIG. 3 is a perspective view with one outside side open.

FIG. 4 is a perspective view showing a locking portion of a processing chamber side plate and a receiving screen.

[Explanation of symbols]

2. Handling room 3 Receiving net 8. Oscillating sorter 8X First half 8Y　Second half 15 Processing cylinder 34 Rear lid body 35 Rear wall B Holder E Holder X opening Y Opening

Claims (1)

[Claims] [Claim 1] A swinging sorting body 8 in which a first sorting section and a second sorting section are arranged in that order is oscillated back and forth in a sorting air path extending from the lower part of the handling chamber 2 to the exhaust dust sorting room behind it. In a threshing machine supported in such a manner, the swinging sorting body 8 is divided in the middle, and the divided parts are removably connected, and an opening that can be opened and closed is provided in a side wall corresponding to the front half of the swinging sorting body 8. The front half 8 of the swing sorting body 8 is
A swing sorting device for a threshing machine, characterized in that the grains X can be taken in and out from the front side opening X, and the rear half 8Y can be taken in and out from the opening Y in the rear wall.