JP2585511Y2 - Grain stalk transport device in threshing machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain culm conveying device in a threshing machine for threshing grain culm and the like.

[0002]

2. Description of the Related Art Conventionally, when inspecting the inside of a threshing machine,
For example, when performing maintenance inspection of the swing sorting body installed in the sorting wind path from the receiving net of the handling room or from the lower part of the handling room to the dust sorting room behind it, the corresponding part of the side wall of the threshing machine can be detached It is already known to be able to open or close to facilitate internal maintenance.

[0003]

In the above-mentioned known threshing machine, the feed chain is obstructed when the opening / closing lid on the side wall is removed or the swinging sorter is cleaned in order to inspect and maintain the inside. In order to solve such a problem, a transmission case for driving the feed chain is provided at the front side of the handling room, and the support frame of the feed chain is turned sideways along the handling opening around the output shaft in the lateral direction of the transmission case. After the threshing process, the grain culm that is pinched and transported by the feed chain and the pinching rail is inserted into the handling room during the threshing process. When threshing is performed on the spike side by the handling cylinder, the support frame, especially the guide rail of the feed chain is deformed and the transport of the grain stalk becomes unstable because it is strongly pulled to the handling chamber side, and Since the feed chain and the support frame are long and heavy, there is a problem that it is difficult to perform a turning operation for converting between the working posture and the non-working posture.

[0004]

According to the present invention, a sprocket is mounted on a lateral output shaft protruding from a transmission case provided at a front portion of a handling chamber, and the sprocket is provided alongside an outside of a handling port. Wrap around the front part of the feed chain on which the clamping rail is opposed, and attach the support frame of the feed chain to
Mounted on the main body of the threshing machine so as to turn and convert to a sideways working posture and an upright non-working posture about the output shaft so as to be fixed, and the support frame is provided with a guide rail of a feed chain, A main frame that rotates around the output shaft is connected to a main frame by a front connecting member, an intermediate connecting member, and a rear connecting member, and the intermediate connecting member is configured as a grip for rotating a support frame. Solved the above-mentioned problem.

[0005]

When the lid attached to the opening on the side wall is removed or opened / closed for maintenance and inspection of the receiving net in the handling room or the swing sorting body, the support frame of the feed chain must be fixed to the machine body when it is opened and closed. Release the feed chain by holding the grip of the intermediate connecting member of the support frame upward and forward to retract the feed chain.In this state, remove the lid and pull out the receiving net or maintain the swing sorting body Do the work you want. Further, after the above-mentioned inspection and maintenance work is completed, the operating frame is returned to the working posture by rotating the gripping portion of the support frame rearward and rearward. The support frame connects the guide rail and the main frame not only at the front and rear, but also at the middle, during the threshing process while nipping and transporting the base of the grain stem with the feed chain and the clamping rail. As a result, the guide rail is less likely to be deformed, and stable culm holding and conveying can be performed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to a combine threshing machine shown in the drawings. A handling cylinder 1 is suspended in a handling room 2 in a front-rear direction, and a supply port 3 is provided on a front wall thereof. A portion extending from the lower part of the receiving net 5 to the rear of the dust sorting chamber is formed as a sorting wind path by the blower wind turbine 4, and the sorting wind path is provided with a first transfer spiral 6 therein similarly to the conventional one. The rocking sorter provided with the first leak sorting unit facing the first gutter and the second leak sorting unit facing the second gutter in which the second transfer spiral 7 is installed so as to swing back and forth. A dust outlet 8 is provided in the upper part of the rear wall of the dust sorting chamber. The side wall on the side of the feed chain 11 is provided with an opening provided with a detachable lid. When the lid is removed, a lower portion of the side surface of the handling chamber 2 is greatly opened. When the threshing cover 9 on which the upper side of the swinging sorting body is largely released and the back side is pivotally opened is opened, a clamping rail 12 described later is opened.
The entire upper surface of the handling room 2 is released in a state in which is mounted, and in this state, the receiving net on the back side can be pulled out upward.

[0007] A grain stalk nipping and transporting device 10 is also provided along the outside of the mouth provided at the side of the handling room 2.
A clamping rail 12 and an auxiliary rail 13 provided in front of the clamping rail 12
And the feed chain 11
Is a transmission case 15 attached to the lower part of the front wall 2a of the handling room 2.
Are wound around a driving sprocket 17 mounted on an output shaft 16 protruding laterally from the upper part, a rolling wheel 18 at the front, a floating sprocket 19 at the front, and front and rear floating wheels 19a.

The support frame 20 of the feed chain 11 is provided with a guide rail 21 slidably in contact with the lower surface of the feed chain 11 on the conveying side, and a bearing whose front end is rotatable up and down on the output shaft 16. A main frame 22 made of a square pipe supported by a bracket is provided with a bracket 23 serving as a front connecting member at a front portion, and a rod-shaped intermediate connecting member 24 having a grip portion 24a bulging outward in an intermediate portion. The rear connecting member 25 and the winding prevention plate 26 are
When a hook 28 provided at the rear end of the wrap prevention plate 26 is engaged with a pin 29 projecting from a side wall, the rear portion of the support frame 20 is connected to the body of a threshing machine. Can be locked.

A base of an iron plate receiving member 30 having a front surface with a concave portion 30a facing forward and having a plate surface protruding forward and downward in the vertical direction is screwed to the front wall 2a with a bolt 31. The bracket 23 has a U-shaped cross section and welds the pipe 32, and a connecting member 33 consisting of two plates 33a and 33b welded to the tip end thereof with a small gap therebetween connects the rear portions of the plates 33a and 33b to each other. When the feed chain 11 and the support frame 20 are in the operation posture shown in FIG. 1, they are fitted into the receiving member 30 by bending so as to be separated from each other so as to form a C-shape in plan view. The support frame 20 is locked so as not to move left, right, up and down with respect to the body of the threshing machine.

Further, the rotation stopper 35 has an L-shaped cross section, and has a long hole 36 whose front end is bent upward in a prone position and its base is formed in the receiving member 30. A locking pin 38, which is rotatably pivoted by a lateral pin 37 and is fixed to an extension of one plate 33a of the connecting member 33, is slidable in the elongated hole 36 of the rotating stopper 35. And the tip of the rotation stopper 35 has a handle 3
9 is fixed.

The feed chain 11 and the support frame 20
In order to perform the threshing operation, the user is turned rearward as shown in FIG. 1 and set to the sideways operation position, and the rotation stopper 35 is set in a substantially horizontal posture toward the front as shown in FIG. In this state, the locking pin 38 is located near the front of the long hole 36, and the feed chain 11 and the support frame 20 are required for maintenance and inspection of the receiving net 5 or the swing sorting body.
When changing from the working posture to the non-working posture, the hook 28
, And holding the holding portion 24a of the middle connecting member 24,
When they are pushed up obliquely rearward and upward, they rotate upward about the output shaft 16 and rise up as shown in FIG. 3, at which time the connecting member 33 and its pipe 32 are connected to the receiving member 30.
As shown in FIG. 4, the locking pin 38 is fitted into the bent portion at the distal end of the elongated hole 36, and is prevented from rotating back and forth from this position. Further, when returning from the non-operation position to the operation position, the locking pin 38 is removed from the bent portion 36a of the long hole 36 by lifting the handle 39, and the grip pin 24a is rotated rearward with the grip portion 24a. The stopper pin 38 slides in the elongated hole 36 and returns to the state shown in FIG. 2, and the connecting member 33 is fitted into the receiving member 30 from the C-shaped portion at the tip thereof, so that the hook 28 is engaged with the pin 29. Combine.

When the above-described threshing machine is mounted on a combine machine, the root portion of the cereal culm harvested and transported by the pre-processing device is transferred to the feed chain 11 and the starting end of the auxiliary rail 13. After that, it is pinched and conveyed by the feed chain 11 and the banding rail 12, and the spike side is inserted into the handling chamber 2 from the supply port 3, threshed by the handling cylinder 1, and received by the receiving net 5.
During the rocking transfer, the threshing material that has leaked to the rocking sorter is subjected to first sorting, second sorting and wind sorting.

When the threshing process is to be continued to remove the straw waste clogged in the receiving net 5 or the hardened straw waste deposited on the swinging sorting body, the threshing cover 9 is turned upward and opened. At the same time, the grain stem holding and conveying device 10 is rotated and retracted as shown in FIG. 3 while holding the gripping portion 24a of the intermediate connecting member 24, and the side cover is removed, and the receiving net 5 is pulled out or the swing sorting body is moved. Perform cleaning. After this operation is completed, after releasing the handle 39, the grain stem holding and conveying device 10 is rotated back with the grip portion 24a to return to the working posture and to be fixed. At this time, the connecting member 33 is
And the pipe 32 is engaged with the concave portion 32a, so that the support frame 20 does not oscillate and move up and down, and the intermediate portion of the guide rail 21 of the support frame 20 is connected to the intermediate portion of the main frame 22 by intermediate connection. Since the feed chains 11 are connected by the member 24, the guide rails 21 can be suppressed from being deformed during the threshing process, even though the feed chains 11 continue to be pulled toward the handling room 2, and a stable grain culm can be obtained. Nipping conveyance can be performed.

[0013]

According to the present invention, a sprocket 17 is mounted on a lateral output shaft 16 protruding from a transmission case 15 provided at a front portion of a handling chamber 2, and the sprocket is attached to the outside of a handling port. The feed chain 11 is wound around a front portion of the feed chain 11 on which the clamping rail 12 is opposed to the feed chain 11.
The support frame 20 is mounted on the main body of the threshing machine such that the support frame 20 is turned around between the output shaft 16 as a center and a non-operating posture standing upright, and is stopped.
Are connected by a front connecting member, an intermediate connecting member 24 and a rear connecting member 25 to a guide rail 21 of the feed chain 11 and a main frame 22 that rotates about the output shaft 16. Since the holding frame 24a for rotating the support frame 20 is configured, the maintenance and inspection of the inside of the threshing machine is performed by raising and rotating the grain squeezing and conveying device 10 upward and forward to a non-operative position. Thus, the maintenance and inspection work can be easily performed, and the work posture can be easily returned to the working posture by rotating and setting the grain stalk nipping and conveying device 10 backward. During the rotation operation of the grain stem holding and conveying device 10, the weight of the feed chain 11 and the supporting frame 20 holding the feed chain 11 constituting the grain stem holding and conveying device 10 is extremely large. The rotation operation can be easily and safely performed by holding the grip portion 24a. Further, during the threshing process, the grain stalk nipping and transporting device 10 is pulled toward the handling room 2 through the grain stalks that are threshed by the handling cylinder 1, but the intermediate portion of the guide rail 21 is mainly Since the guide rails 21 are connected to the frame 22, deformation of the guide rails 21 is suppressed, and the grain stalk nipping and transporting can be performed stably and smoothly.

[Brief description of the drawings]

FIG. 1 is a side view of a threshing apparatus in which a feed chain is set in an operation state.

FIG. 2 is a side view of a front portion of a support frame in an operating posture.

FIG. 3 is a side view of the threshing machine in which a feed chain is in a non-operating position.

FIG. 4 is a side view of a front portion of a support frame in a non-operating posture.

FIG. 5 is a plan view of a front portion of the support frame.

[Explanation of symbols]

 2 Handling Room 10 Grain Stem Nipping and Conveying Device 11 Feed Chain 12 Nipping Rail 16 Output Shaft 20 Support Frame 21 Guide Rail 22 Main Frame 30 Receiving Member 33 Connecting Member

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Ryuji Umebayashi 667, Iya-cho, Oaza, Higashi-Izumo-cho, Yatsuka-gun, Shimane Pref. , U) Hikaru 1-178333 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01D 67/00 A01F 12/10

Claims (1)

(57) [Scope of request for utility model registration] 1. A sprocket 17 is mounted on a lateral output shaft 16 protruding from a transmission case 15 provided at a front portion of a handling chamber 2. Is wound around the front portion of the feed chain 11 opposed thereto, and the support frame 2 of the feed chain 11 is
0 is attached to the main body of the threshing machine so as to be turned around between the output shaft 16 as a center and a non-operating posture in an upside-down state, and fixed. 11 a guide rail 21 and a main frame 22 that rotates about the output shaft 16 with a front connecting member;
Connected by an intermediate connecting member 24 and a rear connecting member 25,
A grain culm conveying device in a threshing machine, wherein the intermediate connecting member 24 is configured as a grip portion 24a for rotating the support frame 20.