JP2948077B2 - Grain transporter for 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 for a threshing machine for threshing 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 known threshing machine, when inspecting and maintaining the inside, when opening / closing a side wall opening / closing lid, inserting / removing a receiving net, and cleaning a swing sorter, The feed chain attached to the handling port became an obstacle.
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 of the spikes by the handle cylinder, the support frame and, consequently, the feed chain become unstable because they are strongly pulled into the handle room.

[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
A receiving member which is mounted on the threshing apparatus main body so as to rotate and convert to a sideways working position and an upright non-working position around the output shaft so as to be fixed, and a forwardly projecting receiving member at a front portion of the handling chamber. Is fixed to the front portion of the support frame, and a connecting member is fitted to the receiving member in a state where the supporting frame is in the operating position, and the connecting member and the receiving member are connected to each other in a fitted state. The above-mentioned problem has been solved by a configuration that does not move laterally.

[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. When the feed chain is released and the feed chain is mounted on the support frame and the support frame is rotated upward about the output shaft of the transmission case, the connecting member is separated from the receiving member, and the feed chain is raised in the non-operating position. In this state, the feed chain does not hinder the removal of the lid, the removal of the receiving net, and the maintenance of the swinging sorter. When the feed chain is rotated back together with its support frame and returned to the operating position after the above inspection and maintenance work is completed, the connecting member is fitted to the receiving member in the front-rear direction, and the front portion of the support frame is moved forward. With respect to the threshing apparatus main body, not only the support by the output shaft but also the connecting member and the receiving member prevent the lateral movement of the support frame, and can stably carry and hold the grain culm.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with respect to a combine threshing machine shown in the drawings. A handling cylinder 1 is mounted on a handling chamber 2 in a longitudinal 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 20a. When the lid is removed, the lower portion of the side surface of the handling chamber 2 opens greatly. When the threshing cover 9 with the upper side of the swinging sorting body is largely released and the back side pivotally attached is opened, the entire upper surface of the handling chamber 2 is mounted in a state where a clamping rail 12 described later is mounted. Is released, 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.
A rolling wheel 18 for winding around a driving sprocket 17 attached to an output shaft 16 protruding laterally from the upper part, a front floating sprocket 19, and front and rear floating wheels 19a. Support frame 20 for feed chain 11
The guide frame 21 slidably contacts the lower surface of the feed chain 11 on the conveying operation side, and the main frame 22 formed of a square pipe whose front end is supported by the output shaft 16 via bearings so as to be vertically rotatable. It is constituted by connecting a front bracket 23, a middle connecting rod 24 having a grip portion 24a bulging outward at an intermediate portion, and a rear connecting plate 25 and a winding prevention plate 26. When the hook 28 provided at the rear end of the winding prevention plate 26 is engaged with a pin 29 projecting from the side wall, the rear part of the support frame 20 can be engaged with the body of the threshing machine.

The base of a steel plate receiving member 30 having a front surface recessed portion 30a and a plate surface protruding forward 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 a pipe 32 is welded to the pipe 32, and a connecting member 33 composed of two plates 33a and 33b welded to a distal end thereof with a small gap therebetween.
Is formed so as to form a C-shape in plan view by bending the rear portions of the plates 33a and 33b away from each other. The feed chain 11 and the support frame 20 are set to the operation posture shown in FIG. At this time, the support frame 20 is engaged with the receiving member 30 and locked so as not to move left, right, up and down with respect to the body of the threshing machine.

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 grip portion 24a of the middle connecting rod 24 and pushing it up obliquely rearward and upward, they rotate upward around the output shaft 16 and stand up as shown in FIG.
The connecting member 33 and its pipe 32 escape from the receiving member 30, and the locking pin 38 is inserted into the elongated hole 3 as shown in FIG.
6 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,
When the user rotates rearward while holding the grip portion 24a, the locking pin 38
2 returns to the state shown in FIG. 2 by sliding in the long hole 36, and the connecting member 33 is fitted into the receiving member 30 from the C-shaped portion at the tip thereof, and the pipe 32 is fitted into the concave portion 30a. The hook 28 does not move, and the hook 28 is engaged with the pin 29.

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 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 rotated upward and the grain stalks are conveyed. The apparatus 10 is rotated and retracted as shown in FIG. 3, and the lid 40 on the side wall of the handling room 2 is removed, and the receiving net 5 is pulled out and the swing sorting body is cleaned. After this work is completed, handle 39
Release operation, return to the working posture and fix. At this time, since the connecting member 33 is fitted to the receiving member 30 and the support frame 20 is prevented from swaying, the feed chain 11 transports the grain stalk smoothly and orderly.

[0012]

According to the present invention, a sprocket 17 is mounted on a lateral output shaft 16 protruding from a transmission case 15 provided at the front of the handling chamber 2, and the sprocket 17 is attached to the outside of the handling port. Around the front of the feed chain 11, on which the pinching rail 12 is provided, and mounting the support frame 20 of the feed chain 11 on the threshing apparatus main body by the output shaft 16.
The support member 30 is mounted so as to be turned around to a sideways working position and a standing non-working position, and is fixed so that the receiving member 30 projects forward from the front of the handling chamber 2. A connecting member 33 fitted to the receiving member 30 is attached to the front portion of the frame 20 in a state where the support frame 20 is in the operating posture, and the connecting member 33 and the receiving member 30 are mutually connected in a fitted state. When the maintenance and inspection of the inside of the threshing machine is performed, the feed chain 11 and the support frame 20 are turned upright to the supply port 3 side so as to be in a non-operation position, so that the maintenance and inspection work is performed. Easy to do, and
When the feed chain 11 and its supporting frame 20 are turned down to return to the working posture, the connecting member 33 can be easily and securely fitted to the receiving member 30 without having to be aligned from the enlarged portion at the tip. This fitting can prevent the feed chain 11 from touching sideways while nipping and transporting the grain culm for threshing.

[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 30 Receiving Member 33 Connecting Member

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Ryuji Umebayashi 667, Iya-cho, Oaza, Higashi-Izumo-cho, Yatsuka-gun, Shimane Prefecture Examiner, Mitsubishi Agricultural Machinery Co., Ltd. Shoji Yamada (56) References JP-A-63-84419 (JP) JP-A-5-199813 (JP, A) JP-A-6-327339 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01F 12/10

Claims (1)

(57) [Claims] 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, and the sprocket 17 is provided alongside an outside of a handling port and is a clamping rail. Feed chain 11 with which 12 is opposed
And the supporting frame 20 of the feed chain 11 is turned around the threshing apparatus body into a working posture in a side-down state around the output shaft 16 and a non-working posture in which the support frame 20 stands up. The supporting member 30 is fixed to the front of the handling chamber 2 and is fixed to the front of the handling chamber 2. The connecting member 33 fitted to the
3. A grain culm conveying device for a threshing machine, wherein the grain stalk transport device is configured so as not to move laterally with each other in a state where the receiving member 3 and the receiving member 30 are fitted.