JPH0228680Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a working machine that cuts and conveys long culm crops such as corn, maize, and sorghum near the plant base, that is, a long culm crop reaper.

In order to harvest long-culm crops such as corn, maize, and sorghum that are used as feed, the crops growing in the field are first cut near the base of the plant.

Reapers have been proposed that mechanically perform the cutting operation and transport the cutting to one side after cutting.

By the way, since crops such as corn and maize are long culm crops, it has been extremely difficult to cut and transport them.

In particular, even if the field is planted in rows, the culms are long and therefore slope in a wide variety of directions, and the growth conditions of the fruit vary as well. Due to the accumulation of foreign matter such as dead leaves, it has been extremely difficult to harvest the grass without any damage, making it suitable for use as feed.

Therefore, in the present invention, a deck is provided outward on one side to guide the cut crop while supporting its lower end after cutting, and a stepped portion is formed on the deck to restrain and prevent the crop from falling during transportation. Then,
The purpose is to provide a reaper that enables accurate transportation.

Therefore, in the present invention, corn, maize,
In a work machine that cuts and transports long culm crops such as sorghum near the plant base, a cutting mechanism is provided at the front lower part of the running vehicle body in the running direction, and the cutting mechanism side is the feed start end and the other end is the feed end. A conveying mechanism extending outward on one side in the running direction is provided above the cutting mechanism, and corresponding to the conveying mechanism below, the cutting mechanism side is located on the one side outward in the running direction at a starting end portion. A guide deck is provided to support and guide the plant base of the cut crop, which is the terminal end portion of the guide deck, and the guide deck has a slope extending upward in the conveying direction of the cut crop at the starting end portion thereof, and continues to the ramp. It is characterized in that the guide deck on the conveying direction side is provided with a stepped portion that engages with the upward inversion of the stock base of the cut crop.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

In FIGS. 1 to 3 showing the overall configuration, 1
is a reaper, and in this embodiment, a cutting mechanism 3 that rotates around a vertical axis is provided at the front lower part of a hand-shaped traveling vehicle body 2 in the running direction. The main structure includes two stages of conveyance mechanisms 4 and 5 that are rotatably provided around a vertical axis.

The traveling vehicle body 2 is equipped with an engine 6, which enables transmission of power to a pair of left and right drive wheels 7, and also has an engine 6 as shown in FIG.
The cutting mechanism 3 and the plurality of conveyance mechanisms 4 and 5 can be driven by a transmission mechanism which will be described later with reference to FIG.

A machine frame 8 made of a bar or the like is attached to the front part of the traveling vehicle body 2, and gauge wheels 9 made of rubber wheels are attached to attachment rods 10 on the front left and right sides of the cutting mechanism 3. A divider attachment rod 11 is attached to each tip (front end) of the rod 10, and a divider 12 is attached to each of the attachment rods 11.

Each of the transport mechanisms 4 and 5 carries a crop A (12th
The feed starting end portions 4A and 5A of the conveying mechanisms 4 and 5 are located above the cutting mechanism, and the feed starting end portion 4A on the upper stage side is configured to convey the feed starting end portion 4A on the lower stage side. It protrudes forward in the running direction as indicated by the symbol B in FIG. 1 with respect to the side feeding start end 5A.

The transport mechanisms 4 and 5 are parallel to each other in the vertical direction, and are tilted forward and downward at an angle of about 15 degrees, for example, as shown in FIG.
Each delivery end 4B, 5B is located on a substantially vertical plane. Then, the feed starting end portions 4A, 5
Conveying parts 4C and 5 between A and the sending end parts 4B and 5B
As shown in FIG. 3, C is configured as a straight slope where the delivery ends 4B, 5B are on the rear side with respect to the feed start ends 4A, 5A, and the transport parts 4C, 5C are each provided with a guide made of a bar. Mechanisms 13 and 14 are attached.

Reference numeral 15 denotes a guide deck, which extends from the cutting mechanism 3 to one side, that is, to the rotational direction side of the cutting mechanism 3, and is configured as a groove-shaped path 15A, and supports the cut crop A while supporting the conveying section 4C. , 5C.

16 is a dropper mechanism, and the delivery end portion 4B,
The dropper mechanism 16 is foldably provided on the upper part of the feed direction side of the guide deck 15.
The lower end of the crop A is supported by the lower end of the crop A, and when a predetermined amount of the crop A is held, its weight automatically windrows it onto the field.

Next, with reference to FIGS. 4 to 16, specific configurations of the cutting mechanism, conveyance mechanism, guide deck, dropper mechanism, etc. will be described in detail.

4 to 8, reference numeral 17 denotes a winding transmission mechanism, in which a belt 20 is stretched around a driving pulley 18 and a driven pulley 19 that are interlocked with the engine 6 side.
The arm 22 of the pulley is connected to the handle 23 side by a Bowden cable 24.

The driven pulley 19 is linked via a bevel gear mechanism 25 to a gear transmission mechanism 26 of the cutting mechanism and the conveying mechanism.

That is, as shown in FIGS. 7 and 8, the large gear 28 of large and small intermediate gears 28 and 29 whose shaft center is concentric with the output gear 27 of the bevel gear mechanism 25 rotating around the vertical axis is interlocked with the output gear 27 of the bevel gear mechanism 25 rotating around the vertical axis. Cutter 3 on gear 28
The drive gear 30 of A is engaged with the small gear 29 in a speed-increasing manner, and the conveying drive gear 31 is engaged with the small gear 29 in a decelerating manner.

The gear transmission mechanism 26 is housed in a box 32, and the box 32 is attached to the front lower part of the vehicle body 2.

In FIG. 6, 33 is a case housing the transmission mechanism of the driving wheels 7, and 34 is its axle. A pipe 35 such as a hard resin pipe or a metal pipe is fitted over the axle 34, and , prevents foreign objects from getting entangled.

As shown in Fig. 6, the cutter 3A is of a rotary type with a blade on the outer periphery that is driven around a vertical axis tilted forward, for example, at an angle of about 15 degrees, and as shown in Fig. 13, the cutter 3A is of a rotary type having a blade portion on the outer periphery. The box 32 is covered with a cover 36.

A support post 37 is erected from the machine frame 8, and a support post 38 made of a tube material that is fitted onto a drive shaft 33 interlocked with the drive gear 31 is also erected from the box 32. Board 3
9 and 40 are supported in a forward-slanted manner parallel to each other at an interval in the vertical direction via struts 37 and 38.

The drive sprocket wheels 41, 42 of the transport mechanisms 4, 5 are attached to the drive shaft 33, and the driven wheels 43, 44, which constitute the feed starting ends 4A, 5A of the transport mechanisms 4, 5, respectively, are attached to the drive shaft 33.
Driven wheels 45 and 46 constituting the delivery end portions 4B and 5B are mounted on the corresponding substrates 39 and 40, respectively, and the wheels 41 and 4 of the transport mechanism 4
3, 45 and wheels 42, 44 of the transport mechanism 5,
46 are arranged triangularly as shown in FIGS. 4 and 5, and each wheel 41, 43, 45 has a chain 4.
7, and a chain 48 is suspended from each wheel 42, 44, 46, respectively.

Each of the chains 47, 48 has triangular protrusions 47A, 48A formed on its chain plate, respectively, and the crops can be transported by the engagement of these protrusions 47A, 48A.

Each chain 47, 48 also has a retractable claw 4 whose tip is formed thin at a predetermined pitch.
9.50 are arranged in a row.

In addition, each wheel 43, 44 on the side of the feeding start end 4A, 5A is configured such that the tension of the chains 47, 48 can be adjusted to be stronger or weaker with a screw means by means of bullet adjustment mechanisms 51, 52. Guide plates 53 and 54 are arranged on three sides of the inner peripheral surface of the
Further, in the conveyance parts 4C and 5C, the protrusions 47A and 48A of the chains 47 and 48 and the retractable claws 49 and 50 protrude, but covers 55 and 56 are attached to other parts from the viewpoint of preventing foreign objects from getting entangled. , 56 side, delivery guide bodies 57, 58 are attached to both sides of the delivery ends 4B, 5B, respectively.

Guide mechanisms 13 and 14 are provided corresponding to the conveyance sections 4C and 5C, respectively, and each of the guide mechanisms 13 and 14 has a support 59 erected from one side of a gauge wheel mounting rod 10 connected to the machine frame 8. , the pillar 5
A mounting plate 60 is fixedly attached to the upper end of the mounting plate 9.
Another support 61 is erected at the top of the support 61, and a mounting plate 62 is fixed to the upper end of the support 61.

A pair of support rods 65, 66 including guide rods 63, 64 are inserted into each mounting plate 60, 62 so as to be able to move back and forth in the axial direction, and buffer springs 67, 68 are wound around them. Note that holes are formed in the support rods 65 and 66 at intervals in the length direction, and the springs 67 and 66 are inserted between the holes.
The strength of 68 forces can be adjusted.

Each of the support rods 65 and 66 has a guide rod 6.
3 and 64 are pivotally mounted 69 and 70, and each guide rod 63 and 64 has a guide portion 6 to the cutting mechanism 3 at one end thereof.
3A, 64A are formed with guide parts 63B, 64B to the dropper mechanism 16 at the other end, respectively, and in the transport parts 4C, 5C of the transport mechanisms 4, 5, there are two stages, upper and lower, respectively, and each retracting claw 49 is formed in between. , 50 are allowed to pass through.

Note that the guide parts 63A and 64A have grips 7.
1 and 72 are formed to allow the guide rods 63 and 64 to swing when crop clogging occurs in the conveyance sections 4C and 5C.

Further, the guide parts 63B and 64B can be folded and held on the body side via a bending part 73, as shown in FIG. 14 by the guide part 63B. This makes it possible to avoid running obstacles caused by the guide portions 63B and 64B that protrude outwardly during so-called in-between work and when running on the road.

The guide deck 15 has the cutting mechanism 3 as the starting end and the dropper mechanism 16 as the ending end.
Furthermore, on the front side, there is a first mounting rod 10 of the gauge wheel 9.
As shown in FIG. 3 and FIG. 14, a guide plate 74 is attached, and the mounting rod 10 and the like serve as guides for the lower part of the crop.
A rubber wheel is rotatably supported on a bracket 77 connected to the gauge support 75, and the gauge support 75 is fitted into the support cylinder 76 at a predetermined interval in the height direction. By allowing the pin 79 to be freely inserted into and removed from the hole 78 formed in the support column 75,
The height of the gauge wheel 9 is adjustable.

Further, the divider mounting rod 11 is pivotally attached to the mounting rod 10 via a pin 80 and a long hole 81 with the pin 80 as a fulcrum via a pin or bolt 82, so that the divider 12 can be bent in the vertical direction. The upper part of the divider 12 is supported on the fixed side via a screw adjusting body 83.

The guide deck 15 is provided below the conveyance sections 4C and 5C, and is connected to a ramp 74A via a guide plate 74 in the direction of rotation of the cutter 3A of the cutting mechanism 3 (arrow X in FIG. 13). A portion 84 is formed;
A triangular notch 85 is formed in the guide plate 36 in correspondence with the step 84 . That is, the receiving plate 86 of the guide deck 15 is formed into a groove shape, and the conveying portion 4C,
5C, the cutting mechanism 3 has a starting end and extends outward, and has a ramp 74A extending upward in the conveyance direction of the cut crop at the starting end, and the ramp 7
Guide deck 15 on the conveyance direction side following 4A
is provided with a step 84 that engages against upward inversion (overturning) of the plant base in the cut crop, and
A notch 85 is formed on the rotation leading side of the outer periphery of the blade portion, which is the rotation center of the cutter 3A of the cutting mechanism 3, through which dust and other foreign matter can be discharged and escaped.

As shown in FIG.
The tip can be received.

The dropper mechanism 16 is connected to the delivery end portion 4 of the conveyance mechanism 4, 5 as shown in FIGS. 14, 15, and 16.
A mounting plate 88 is supported on the body side via a support column 87 corresponding to the delivery side of B and 5B.

The mounting plate 88 has an arm 89 that swings around a vertical axis.
The arm 89 is interlocked with a clutch lever 91 which rotates about a horizontal axis via an interlocking rod 90.

Further, a U-shaped dropper bar 92 is provided at the tip of the mounting plate 88 and can be freely switched between a working position C and a lying position D via a clutch cam 93, and a cam portion 93A of the clutch cam 93 is connected to a cam follower 91A of the clutch lever 91 by a spring 94. It is biased in the direction of engagement.

On the other hand, a counting mechanism 95 is provided in the upper conveying mechanism 4 of the conveying mechanisms 4 and 5.
An arm 89 is interlocked with the arm 89 via a swing lever 96 and an interlocking rod 97.

That is, the counting mechanism 95 is provided with a star-shaped rotating body 98 rotatable around a vertical axis, and the star-shaped rotating body 98
A pin 99 protruding from the lower part of the chain 47 shown in FIG. 6 is attached to the outer periphery of the chain 47 and is detachable therefrom. In other words, one rotation of the chain 47 causes the pin 99 to rotate the star-shaped rotating body 98 by one pitch.

In this example, six pin holes 100 are formed in the star-shaped rotating body 98 at predetermined intervals in the circumferential direction, and pins 101 can be freely inserted into and removed from the pin holes 100.

Then, the pin 101 swings the swinging lever 96 against a spring (not shown), thereby pulling the interlocking rod 97 and placing the clutch lever 91 in the clutch disengaged position as shown by the chain line in FIG. The posture of the dropper bar 92 is changed from the working position C to the lodging position D by its own weight and the weight of the crop A acting on it, thereby making it possible to windrow the crop A.

Note that the dropper bar 92 has its rotation support shaft 92.
An arm 103 having a pin 102 is provided at A, and this arm 103 can be freely engaged and detached from a pin hole 104 provided on the fixed side with a pivot shaft 92A as a fulcrum.
That is, the pin 102 and the pin hole 1 resist the spring 105.
04 and selectively engages the pin 102 with the pin hole 104, thereby moving the dropper bar 92 into the working position C.
The position can be changed from this to the non-working position by folding it upwards.

In addition, in the above embodiment, the transport mechanisms 4, 5
The corresponding guide mechanisms 13 and 14 can be arranged in multiple stages, two or more stages as shown in the figure, and in this case, the end of the drive shaft 33 is connected as a spline shaft via a coupling.

It is also possible to provide a brake mechanism on the input shaft of the cutting mechanism 3, which applies a brake when the clutch is disconnected, or which applies the brake with an emergency pedal.

Next, the effect will be explained.

The operator operates the handle 23 to drive the vehicle body 2 and travels through the field while driving the cutting mechanism 3 and the transport mechanisms 4 and 5, respectively.

In both cases of so-called facing mowing and rear mowing, the crops grown in the field are divided by a pair of left and right dividers 12, and the divider mounting rod 1
1. The stock is guided by the gauge mounting rod 10, and the guide part 63A of the guide mechanism 13, 14 is inserted in the middle.
64A and relative to the cutting mechanism 3.
attempts to enter. Then, the base of the crop is cut below the height set by the gauge wheel 9.

In this cutting, since the feed start end 4A of the upper conveyance mechanism 4 of the conveyance mechanisms 4 and 5 is ahead of the feed start end 5A of the lower conveyance mechanism 5 as shown by the symbol B, first, Claw 49
is applied, and then the retractable claw 50 is activated, and while the tip side of the crop is securely gripped by the retractable claw 49, the middle part is gripped by the retractable claw 50, and here, The cutter 3A of the cutting mechanism 3 can reliably cut the base of the crop stock.

Then, due to the transport action of the upper and lower transport mechanisms 4 and 5 and the guide action of the corresponding guide mechanisms 13 and 14, the cut crop A rides up the ramp 74A of the guide deck 15 and is engaged with the stepped portion 84,
This prevents the crop A being transported from falling over, while foreign matter such as dead leaves and grass is discharged from the notch 85 by the force accompanying the rotation of the cutter 3A.

In this way, the crop A that is sequentially cut and transported is supported at its lower end by the stepped portion 84 of the guide deck 15, and its tip side is supported by the bar 9 of the dropper mechanism 16.
It will be accepted and put on hold.

When the set number of crops A is held by the counting mechanism 95, the clutch lever 91 is interlocked in the clutch disengagement direction via the swing lever 96, the interlocking rod 97, etc., and the dropper bar 92 is placed in the prone position C. A predetermined number of crops A will be windrowed.

After windrowing, the drawer bar 92 is restored to the working position C by the clutch lever 91 and clutch cam 93 by the spring 94.

The present invention is a working machine that cuts and transports long culm crops such as corn, maize, and sorghum near the plant base.A cutting mechanism 3 is provided at the front lower part of the traveling vehicle body 2 in the running direction. Conveyance mechanisms 4 and 5 are provided above the cutting mechanism 3, and have starting ends 4A and 5A, and delivery ends 4B and 5B at the other end, extending outward on one side in the running direction. A guide deck 15 is provided below corresponding to 4 and 5 to support and guide the base of the cut crop A whose starting end is on the side of the cutting mechanism 3 and whose end is on one side outward in the running direction. At the starting end of the guide deck 15, there is a slope 74A extending upward in the conveyance direction of the cut crops A.
The guide deck 15 on the conveying direction side following the ramp 74A is provided with a step 84 that engages with the upward reversal of the plant base in the cut crop A, so that the following advantages are achieved. There is.

That is, by cutting and conveying using the conveying mechanisms 4 and 5 provided above the cutting mechanism 3 and the guide deck 15 corresponding to the conveying mechanisms 4 and 5, the cut crop can be conveyed quickly and easily from one side to the outside. It can be done smoothly.

In addition, the guide deck 15 whose feeding start end is on the side of the cutting mechanism 3 has an upward slope 74A in the conveying direction at the starting end, so that the crop A cut by the cutting mechanism 3 is not jammed. I can send it,
Further, on the side in the conveying direction following the ramp 74A, there is a step 84 that engages with the upward reversal of the stock of the cut crop A, so that the cut crop A can be prevented from falling over, and there is a step 84 that prevents the cut crop A from falling. Stable transportation of the crops without any damage is ensured, and this helps prevent damage to the crops A.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is a right side view of the whole, FIG. 2 is a left side view of the whole, FIG. 3 is a plan perspective view seen from the front, and FIG. 4 shows the lower conveyance mechanism. 5 is a plan view showing the upper conveyance mechanism, FIG. 6 is a side view of the main parts, FIG. 7 is a schematic elevational view of the transmission (drive) mechanism of the cutting mechanism and the conveyance mechanism, and FIG. 8 is a plan view showing the upper conveyance mechanism. is a plan view of FIG. 7, FIG. 9 is a plan view illustrating the arrangement of the upper and lower transport mechanisms, FIG. 10 is a perspective view of the main parts as seen from the front, FIG. 11 is a perspective view of the guide deck, and FIG. The figure is a front view showing the relationship between the cutting mechanism and the guide deck, Figure 13 is a partial plan view of Figure 12, Figure 14 is a plan view showing the relationship between the conveyance mechanism and the dropper mechanism, and Figure 15 is the dropper mechanism. FIG. 16 is a partially sectional plan view of the dropper mechanism. DESCRIPTION OF SYMBOLS 1... Reaper, 2... Traveling vehicle body, 3... Cutting mechanism, 4, 5... Conveyance mechanism, 4A, 5A... Feeding start end, 4B, 5B... Delivery end, 15... Guide deck , 36...cover, 84...stepped portion, 85...
...Notch.

Claims (1)

[Scope of Claim for Utility Model Registration] In a reaping machine that cuts long culm crops such as corn, maize, and sorghum near the plant base and transports them, a cutting mechanism 3 is provided at the front lower part of the running vehicle body 2 in the running direction, and The mechanism 3 side is the feeding start end 4A,
5A, and the other end thereof is a delivery end 4B, 5B, which extends outward on one side in the traveling direction.
is provided above the cutting mechanism 3, corresponds to the conveying mechanisms 4 and 5 below, and the cutting mechanism 3 side is the starting end part, and one side outside in the running direction is the terminal part of the cut crop A. Guide deck 1 to support and guide
5 is provided at the starting end of the guide deck 15,
It has a ramp 74A extending upward in the transport direction of the cut crop A, and the guide deck 15 on the transport direction side following the ramp 74A is provided with a stepped portion 84 that engages with the upward reversal of the stock in the cut crop A. A long culm crop reaping machine characterized by comprising: