JPH10191756A - Rush harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily maintain a waste rush chipping device in a rush harvester. SOLUTION: Waste rushes projected to the stump end side of a carrying rush group are pulled out and carried away by a pair of stripping rollers 18 and 19, the waste rush chipping device 6 is equipped on the waste rush carry- away side of the stripping rollers 18 and 19 and a cutter frame 23 for supporting the rotary blade body of the waste rush chipping device 6 is supported to a machine body fixing part freely swingably over a cutting operation position and a maintenance position for opening the rear part of the stripping rollers 18 and 19. Further, an arm member 34 for fixation is extended in an overhung shape to a side separated from the cutter frame 23 at the downstream side end part in a rush carrying direction of the cutter frame 23 and a fixing means K for fitting and connecting the free end of the arm member 34 for the fixation to the machine body fixing part in the state of closing the cutter frame 23 at the cutting operation position is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a rush harvester.

[0002]

2. Description of the Related Art Conventionally, in a rush harvester, for example, as disclosed in Japanese Patent Application Laid-Open No. Hei 6-296417, a waste rush projecting toward the stock end of a transport rush group is collected by a pair of sizing rollers. And then discharged into the field as long culm.

[0003]

Therefore, in the past, the waste rush released into the field remains a long culm.
In the rotary work for later plowing into the field, there was a possibility that troubles such as the difficulty of plowing and the tangs of long culm entangled with the rotary shaft might occur.

The present invention has been made in view of the above circumstances, and makes it easy to post-process waste rush to be discharged to a field and to easily perform maintenance work in a waste rush shredding device for doing so. The purpose is to provide a rush harvester that can be used.

[0005]

[Means for Solving the Problems]

(Structure) The rush harvester according to claim 1 of the present invention is configured so that waste rush protruding toward the end of the rush of conveyed rush is pinched and pulled out by a pair of rotary rollers driven to rotate. On the discharging side of the dust roller, a dust crushing device for sequentially cutting the discharged trash from the transport end is provided, and the waste crushing device is cut off the discharged waste rush. A fixed blade body received at a position, and a rotary blade body driven to rotate around an axis substantially parallel to the rotation axis of the cutting roller and cutting in cooperation with the fixed blade body, The cutter frame supporting the body is swingably supported on the machine body fixing portion between the cutting action position and the maintenance position where the rear of the squeeze roller is opened, and the lower end of the cutter frame in the rush transport direction of the cutter frame. For fixing A fixing means is provided for extending the arm member overhanging to a side away from the cutter frame, and for fitting and connecting the free end of the fixing arm member to the body fixing portion in a state where the cutter frame is closed at the cutting action position. It is a characteristic configuration.

(Operation) According to the first aspect of the present invention, the waste rush is pulled out and carried out by a pair of squeezing rollers, and the carried waste rush is sequentially cut from its transport end. A fixed blade body and a rotary blade body are provided. Then, the cutting waste is released to the field. In order to perform maintenance, etc., the back of the squeeze roller, that is, the squeeze roller has a fixed blade and a rotary blade, so that the fixed blade and the rotary blade can be exposed to the outside, The cutter frame is provided swingably, and in order to fix the cutter frame to the machine body fixing part in the closed state, the cutter frame is protruded from the lower end of the cutter frame in the rush conveying direction, away from the cutter frame. The fixing arm member is provided in an overhang shape on the side away from the cutter frame, and the cutter frame can be fixed in a closed state by fitting and connecting the fixing arm member to the body fixing portion. By releasing the fixing, the opening and closing operation of the cutter frame can be performed by swinging around the axis. Further, the fixing arm member can also be used as a handle for manual operation for operating the cutter frame in the open position.

(Effects) Therefore, according to the configuration of the first aspect of the present invention, the debris is shredded by the cooperation of the fixed blade and the rotary blade, and the cut debris is cut off. Since it is released to the field, it is possible to eliminate the problem caused by releasing waste rush into the field while keeping the long stem state,
The fixing arm member used to fix and hold the cutter frame in the closed state is provided in an overhanging state so as to be separated from the cutter frame, so that some of the shredded waste lumps are located behind the cutter frame. Even if it is discharged, there is an advantage that the discharged matter is hard to get on the fixing arm member and is easy to fall, so that it is possible to suppress stagnation at the fixing arm member.
Furthermore, since the overhang-shaped fixing arm member is fitted and fixed, the work of fixing the cutter frame can be easily performed, and the lower space of the fixing arm member is always open, so that the manual operation can be performed. Thus, since the fixing arm member can be easily held and can be used as a handle member for opening and closing the cutter frame, there is an advantage that a separate handle member need not be provided.

(Structure) According to a second aspect of the present invention, there is provided the rush harvester according to the second aspect, wherein the pair of squeezing rollers are arranged vertically, and the cutter frame is slidably opened and closed. A feature is that the shaft center is aligned with the rotation shaft center of the curving roller in the upper part of the curling roller.

(Operation) According to the configuration of the second aspect of the present invention, the pair of straightening rollers are arranged vertically, and the swing shaft for swinging the cutter frame is opened and closed. When the cutter frame is set in the open position, the cutter frame is lifted from the upper side and the cutter frame is lifted. And maintenance of fixed blades, rotating blades, etc.

(Effects) Therefore, according to the configuration of the second aspect of the present invention, the maintenance work is performed in a state where the cutter frame is opened so that the upper part of the cutter frame is lifted. As it can be done, it is easy to work, and it is possible to suppress that the cutter frame protrudes to the side to open and close the cutter frame compared to, for example, one that opens and closes the cutter frame around the vertical axis,
It is also possible to work in places where the working space is narrow.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a rush harvester according to the present invention will be described below with reference to the drawings. As shown in FIG. 1 to FIG. 3, the rush harvester divides the rush to be planted into the rush to be cut and the rush to be non-cut, while shaking the rush to be planted by the driven weeding body 1 to loosen the tang. The target rush is weeded into one row and the other of the two raising paths, the rush to be harvested from the weeding body 1 is raised and raised by the device 2, and the tip of the rush to be harvested from the raising device 2 is removed. The cutting section A, which is configured so that the side of the stock is cut by a clipper-type cutting device 4 while being clamped by the endless rotating belt 3, and sorts the cutting rush into rush grass to be harvested and waste rush (hereinafter referred to as waste rush). A cutting device by means of a device 5, a waste crushing device 6 acting on the waste rush from the sorting device 5, a binding device B for bundling the target rush from the sorting device 5 by a set amount, the endless rotating belt 3, and the like. Supply cutting rush grass from A to the sorting device 5 The working device including the transport unit 7 for supplying the rush to be harvested from the sorting device 5 to the binding device B is a crawler traveling device 8, a sunshade 9 for the driving unit, and a self-propelled body having an engine E and the like. It is connected to the front part by a lift cylinder C1 so as to swing up and down around an axis P along the lateral direction of the machine body, and is configured to transmit the rotational output of the engine E to a working device. On the side of the driving unit of the self-propelled body, a loading platform 10 that stores the rush bundles from the binding device B is provided so as to be able to be dumped by a dump cylinder C2,
This constitutes a riding type rush harvester.

The transport section 7 includes the endless rotating belt 3 located on the rear side of the raising device 2, and a pair of upper and lower lateral feeders located below the endless rotating belt 3 and located on the rear side of the raising device 2. Endless rotating belts 11, 11, a blower 12 located between these laterally feeding endless rotating belts 11, 11, this blower 1
2 is constituted by endless endless turning belts 14 and 15 arranged side by side in the fuselage receiving table 13 located on the lateral side of FIG. The endless rotating belt 3 clamps the stem side of the cutting rush from the cutting device 4 and conveys it to the rear of the machine. A pair of laterally feeding endless rotating belts 11 and 11 move the root side of the cutting rush plant where the endless rotating belt 3 clamps the stem.
Are fed laterally toward the rush receiving table 13 by these locking and conveying claws. When this stock side reaches the side of the blower port 12a of the blower 12, the wind from the blower port 12a blows up the stocker side, and the rear feed endless rotating belts 14, 15 located on the rush receptacle 13 are moved. The rear feeding endless rotating belt 14 is positioned on the side closer to the blower 12 and is locked by the locking and conveying claw. Then, the post-feeding endless rotation belt 14 lifts the root side of the cutting rush onto the upper surface of the rush receiving tray 13 and places the sorting end of the sorting device 5 located above the front end of the rush receiving tray 13 endlessly. Belt 16 and rush basin 13
To the top of At this time, the transport guide 17 receives and acts on a stem portion between the endless turning belt 3 and the backward feeding endless rotating belt 14 of the cutting rush, and the tip of the cutting guide is more vertically oriented than the conveyance guide 17 of the cutting rush. In this state, the root side of the stock relative to the conveyance guide 17 is in a side-down posture on the rush receiving table 13, so that the cut rush grass has a curved bending position at a position where it comes into contact with the conveyance guide 17 as a whole. In this bent posture, the endless rotating belt 3 further clamps and conveys the tip side to the rear, and feeds the stock side backward to the endless rotating belt 14.
Is further locked rearward along the upper surface of the rush receiving stand 13. After passing through the pair of front and rear endless endless rotating belts 16, 16, the stock side is moved backward by the endless endless turning belt 15.
, And the endless rotating belts 3, 14, and 15 further transport the cutting rush in a bent posture to the rear of the machine. After this, the stem tip side comes off from the endless rotating belt 3, and the cutting rush grows in the sideways posture along the lateral direction of the fuselage over its entire length, and the stocking side of the cutting rushes in the sideways posture is fed back to the endless rotation belt. 15 is further transported to the rear of the machine and sent to the binding device B. Thus, the transporting unit 7 supplies all of the cut rush from the cutting device 4 to the sorting device 5, and supplies the target rush to the binding device B by the sorting device 5.

The sorting device 5 includes a pair of the endless turning belts 16, 16 arranged in the longitudinal direction of the fuselage above the front end of the rush receiving stand 13, and one end of the endless turning belts 16, 16. It is constituted by a pair of upper and lower curling rollers 18 and 19 provided on the rear side of the fuselage. A ring body 2 around one end of a pair of endless rotating belts 16
0 is driven around the axis in the longitudinal direction of the fuselage by the transmission from the binding device B, so that both of the pair of endless endless rotating belts 16 are driven by the wheel body 20, and any of the endless endless rotating belts 16 is driven. The turf claws 16a of the moving belts 16 and 16 move in the direction of arrow F shown in FIG. To pull out. Among the cutting rushes supplied between the curling endless rotating belt 16 and the rush receiving stand 13, the rush having the tip end side clamped by the endless rotating belt 3 is a curling claw 16 a.
The rush is not pulled out even if it is pulled out, but rushes whose stem tip side is not clamped by the endless rotating belts 3, 3 escape from the transport rush group to the root side of the rush when the squeeze claw 16a pulls out. The cutting rush that has escaped from the transported rush grass, together with the other rush rush, is turned into an endless rotating belt 16.
Of the pair of roller rollers 18 and 19 as the roller moves toward the rear side.
Enter between 8,19. A pair of curling rollers 18,1
9 is connected to the rear side of the wheel body 20 for driving the belt in a concentric manner so as to be integrally rotatable, and is configured to be driven to rotate together with the wheel body 20. The lower roller 19 contacts the upper roller and contacts the upper roller 18.
, The pair of squeezing rollers 18 and 19 further remove the cutting rush grass fed from the stock end side from the squeezing endless rotating belt 16 from the conveying rush grass group. It is pulled out to the stock side and discharged to the outside of the squeeze rollers 18 and 19. This allows
The sorting device 7 sorts the cutting rushes from the cutting device 4 into those whose stem ends are clamped by the endless rotating belt 3 and those that are not clamped, and the cutting that is clamped by the endless rotating belt 3. The rush is fed into the post-feed endless rotating belt 15 as a harvest target rush having a longer stem length and a target length longer than a set length determined by the distance from the endless rotating belt 16 to the endless rotating belt 3. The uncut clipping rush is discharged as short trash with a stalk length less than or equal to the set length into the discharge path R located outside the body of the turret rollers 18 and 19 in the state of the long stalks cut by the cutting device 4. I am trying to do it.

Next, the waste crusher 6 will be described. The waste cutting and shredding device 6 includes a sheet metal cutter frame 23 attached via a mounting arm 22 and the like to a support shaft 21 for the ring body 20 and the curling roller 18, and is disposed inside the cutter frame 23. A rotary shaft 2 rotatably supported on the free end side of a support arm 25 rotatably fitted to a cylindrical body 24 integrally connected to a transmission case of the binding device B together with a rear wall 23a of the cutter frame 23.
6, a cutting blade 27 rotatably mounted around the rotation axis X1 in the front-rear direction, and a cutting blade 23 arranged inside the cutter frame 23 so as to be covered by the cutter frame 23. 27 near the outer circumference and near the outer peripheral surface of said lower roller 19,
The cutting roller 19 is constituted by a fixed blade body 30 for shredding provided via a fixed blade base 29 fixed to a swing support arm 28 supporting the rotary support shaft 26.

The rear wall 23a of the cutter frame 23
And a clutch cover 31 attached to the rear side wall 23a.
(Not shown in FIGS. 4 to 9), a rotary blade driving pulley 32 attached to the end of the rotary support shaft 26 so as to be integrally rotatable is provided. A transmission belt 33 is attached to the rotary blade drive pulley 32 and the belt pulley 18a formed at the end of the roller 18. As shown in FIGS. 4 to 8, a fixing arm member 34 made of a square pipe member integrally connected to the rear side wall 23a of the cutter frame 23 by welding extends rearward. The fixing arm member 34 is formed so as to be bent by 90 degrees toward the body fixing portion 35 of the self-propelled body in a plan view.
A buckle member 36 is provided. In the body fixing part 35,
A projection 38 is provided on which the free end of the fixing arm member 34 is fitted. With the distal end of the fixing arm member 34 externally fitted to the projection 38, the ring 36 of the buckle member 36 is attached to an engaging hook 37 provided on the body fixing portion 35.
is engaged, and the return bracket 36b is turned back, so that the ring 36a is locked while pulling the engagement hook 37, and the fixing arm member 34 and thus the cutter frame 23 are fixed and held. Will be. Here, the free end portion of the fixing arm member 34 and the projection 38 constitute fixing means K for fittingly connecting the fixing arm member 34 to the body fixing portion 35.

As described above, the cutter frame 23 is pivotally supported by the mounting arm 22 and the support arm 25 so as to be swingable around the longitudinal axis X2. In other words, as shown in FIG. 5, it is pivotally supported around the axis of the support shaft 21 of the upper guide roller 18.

With the above configuration, the cutter frame 23,
A rotary blade body 27 supported by the cutter frame 23,
When maintenance work is performed on the cutting rollers 18 and 19, the fixed blade body 30, and the like, the cutter frame 23 fixed to the machine body fixing portion 35 by the fixing arm member 34 during normal use is released. Then, it is lifted upward around the front-rear axis X2 to bring it to the open position. In this case, the ring 36a is disengaged from the engagement hook 37 by manipulating the return metal fitting 36b, and then the fixing arm member 34 is manually lifted as it is, whereby the cutter frame 23 is lifted. Rotates around the front-rear axis X2, and at this time, the fitting between the distal end of the fixing arm member 34 and the projection 38 of the body fixing portion 35 is released. In other words, the fitting between the distal end of the fixing arm member 34 and the projection 38 of the body fixing portion 35 is a relatively flexible loose fitting, so that the buckle member 36 can be strongly fixed and held. -ing Further, during normal use, the fixing arm member 34 is provided in a state of being overhanging rearward from the rear side wall 23a of the cutter frame 23. Even if it spills out from the stretched part, the shredded chips on the fixing arm member 34 fall to the field below from the side of the fixing arm member 34 due to shaking etc. due to the running of the aircraft etc. As a result, it is difficult to stay on the fixing arm member 34. As shown in FIGS. 6 to 9, an operation lever 41 for swinging the tension clutch arm 40 with respect to the transmission belt 33 to perform an on / off operation of the clutch is supported by a fixing arm member 34. The tension clutch arm 40 and the operation lever 41 are linked via a toggle spring 42.

[Brief description of the drawings]

FIG. 1 is an overall side view showing a rush harvester.

FIG. 2 is an overall plan view showing a rush harvester.

FIG. 3 is a longitudinal sectional front view showing a sorting device and a waste scrap shredding device.

FIG. 4 is a perspective view of the waste crushing device as viewed from the upper right rear.

FIG. 5 is a partially cutaway plan view of a lint shredder traversed at the upper roller portion

FIG. 6 is a partially broken plan view of a lint shredder traversed at a lower roller portion.

FIG. 7 is a rear view showing the scrap cutting device in a driven state.

FIG. 8 is a rear view showing the scrap crushing device in a driving released state.

FIG. 9 is a longitudinal rear view showing the waste crusher with the cutter frame opened.

[Explanation of symbols]

 Reference Signs List 6 waste chip shredding device 18, 19 cutting roller 23 cutter frame 27 rotating blade 30 fixed blade 34 fixing arm member K fixing means

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tatsuya Kimura 64 Ishizukita-cho, Sakai City, Osaka Inside Kubota Sakai Works

Claims (2)

[Claims] 1. A construction in which litter projecting toward the stock end of a group of conveyed rushes is nipped by a pair of rotary rollers driven to be pulled out and carried out. A fixed blade body that is provided with a trash shredding device for sequentially cutting the discharged trash from the transport end, receiving the waste crushing device at the cutting position of the discharged trash, and the curling roller. A rotary blade that is driven to rotate about an axis substantially parallel to the rotary axis of the rotary blade and cuts in cooperation with the fixed blade, and a cutter frame that supports the rotary blade is positioned at a cutting action position. And a maintenance position in which the rear of the fining roller is opened, and swingably supported by the body fixing portion, and a fixing arm member is attached to the lower end of the cutter frame in the rush transport direction by the cutter frame. A weed harvester, which is provided with a fixing means extending in an overhanging manner on a side away from the main body and provided with a free end of the fixing arm member fitted and connected to a machine body fixing portion in a state where the cutter frame is closed at a cutting action position. 2. A method according to claim 1, wherein the pair of straightening rollers are arranged one above the other, and a swing axis for swinging the cutter frame is aligned with a rotating shaft of the straightening roller. The rush harvester according to claim 1.