JPH119059A - Versatile combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a versatile combine harvester designed to detachably mounting a tine bar with the upper end of a tine via a clip with elastic force so as to improve tine attaching/detaching operability and facilitate maintenance operation. SOLUTION: This versatile combine harvester is so designed as to detachably mount a tine bar 19 with the upper end of a tine 20 via a clip 30 with elastic force. It is preferable that the upper part of the tine bar 19 is provided with an engagement hole 33, while the lower part with an engagement piece 32 projected downward, the upper part of the clip 30 is provided with a fitting part 30a to be fitted onto the upper part of the tine bar 19, while the lower part with an engagement part 30b to be engaged on the engagement piece 32, thereby the hole 33 is engaged with an engagement piece 20a provided on the upper end of the tine 20; in this state, the fitting part 30a is fitted onto the upper part of the tine bar 19, while the engagement part 30b is engaged on the engagement piece 32, so as to make the upper part of the tine fixable in a covering way.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a general-purpose combine.

[0002]

2. Description of the Related Art Conventionally, as one form of a general-purpose combine, a plurality of tine bars are horizontally mounted between a pair of left and right reels.
Some tine bars have a reel header in which a plurality of tines are attached.

[0003] Each tine is attached to the tine bar by bolting the upper end thereof.

[0004]

However, in the above-described tine mounting structure, since the number of tines is large, the tine mounting workability and the tine removal workability during maintenance are poor.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention relates to a general-purpose combine having a plurality of tine bars suspended between a pair of left and right reels and a plurality of tines mounted on each tine bar. The present invention provides a general-purpose combine which is characterized in that the upper end of the tine is detachably attached via an elastic clip.

According to the present invention, a locking hole is formed in an upper portion of the tine bar, and an engagement piece is projected downward from a lower portion of the tine bar, and is fitted to an upper portion of each tine bar in an upper portion of the clip. And an engaging portion that engages with the engaging piece is formed at the lower portion of the clip, and the engaging piece formed at the upper end of the tine is engaged in the engaging hole of the tine bar. In the same state, the fitting part of the clip is fitted to the upper part of the tine bar, and the engaging part of the clip is engaged with the engaging piece of the tine bar, so that the upper part of the tine can be fixed in the covering state. The present invention is also characterized in that the upper end rear surface side of the tine, whose lower rear surface side is the working side to the crop, can be fixed by covering with a clip.

[0007]

Embodiments of the present invention will be described below.

The general-purpose combiner according to the present invention has, as a basic structure, a scraping reel in which a plurality of tine bars are suspended between a pair of left and right reels, and a plurality of tines are attached to each tine bar.

As a characteristic structure, the upper end of the tine is detachably attached to the tine bar via an elastic clip.

That is, a locking hole is formed in the upper part of the tine bar, and an engaging piece is projected downward from the lower part of the tine bar, while a fitting part is fitted on the upper part of the clip to the upper part of each tine bar. And an engaging portion that engages with the engaging piece is formed at the lower part of the clip, and the locking piece formed at the upper end of the tine is locked in the locking hole of the tine bar, and in the same state. Thus, the fitting portion of the clip is fitted to the upper portion of the tine bar, and the engaging portion of the clip is engaged with the engaging piece of the tine bar, so that the upper portion of the tine can be fixed in a covered state.

[0011] Moreover, the rear side of the upper end of the tine, whose rear side on the lower end is the working side on the crop, is covered with a clip and can be fixed.

In this way, the tine can be easily attached to the tine bar, and the tine can be easily removed from the tine bar by going back to the opposite procedure.

[0013] Since the rear end of the tine, whose rear end on the lower end is the working side to the crop, is covered with the clip and can be fixed, when the rear end of the lower end of the tine acts on the crop, it is attached to the clip. No load is applied directly, and the tine can be reliably fixed.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

A shown in FIG. 1 is a general-purpose combine according to the present invention. The general-purpose combine A has a body frame 2 mounted on a pair of right and left crawler-type traveling units 1 and 1,
An operating unit 3 is disposed at a front right portion of the airframe 2, a motor unit 4 is disposed immediately after the driving unit 3, a storage unit 5 is disposed immediately after the driving unit 3, and threshing is performed at a left position thereof. The unit 6 and the sorting unit 7 are arranged vertically, respectively, and the straw processing unit 8 is arranged at a position behind the threshing unit 6 and the sorting unit 7, and at the position in front of the threshing unit 6 and the sorting unit 7. A reaper 9 and a transporter 10 are provided.

In this manner, the crop in the field is cut by the cutting unit 9 and the crop cut by the cutting unit 9 is transferred to the transport unit 10.
To the threshing unit 6, threshing the crop by the threshing unit 6, selecting the threshed kernels by the sorting unit 7, transporting the refined granules to the storage unit 5 and storing the unprocessed grains, Part 6
The culm is then returned to the outside through the reducing unit 23 and threshed again.

The cutting unit 9 and the transporting unit 10 can be moved up and down by lifting means (not shown) so that the cutting unit 9 can adjust the height of crops.

As shown in FIG. 1, the cutting unit 9 has a pair of left and right weeding bodies 12, 12 attached to the front end of a platform 11,
A cutting blade 13 is provided at a rear position between the same plant bodies 12, 12.
A platform auger 14 is provided at the rear of the platform 11, and a pair of left and right reel support arms 15, 1 is provided above the rear end of the platform 11.
5 is attached, and the take-up reel 16 is rotatably suspended between the two reel support arms 15,15.

The scraping reel 16 has a pair of left and right reels 17, 17 mounted via a reel support shaft 18.
A plurality of tine bars 19 extending in the left-right direction between 7, 17 are laid horizontally at intervals in the circumferential direction, and a plurality of tines 20 are mounted on each tine bar 19 at intervals in the left-right direction. twenty one
Is a transmission case that transmits rotational power to the scraping reel 16,
Reference numeral 22 denotes a cutting height detecting sled body.

In the above configuration, the gist of the present invention resides in that the upper end of the tine 20 is detachably attached to the tine bar 19 via a clip 30 having elasticity.
This will be described below with reference to FIGS.

That is, the tine bar 19 is formed by projecting a downwardly extending strip-shaped engaging piece 32 extending in the axial direction of the tine bar body 31 below the tine bar body 31 in the shape of a circular pipe. A plurality of locking holes 33 are formed at the upper end of the 31 at intervals in the axial direction of the tine bar 19.

The clip 30 has a fitting portion 30a formed in a semicircular arc shape for fitting to the upper half peripheral surface of the tine bar body 31, and a lower end on one side of the fitting portion 30a extending downward, and And an engagement portion 30b formed by bending into a substantially U-shape. At the center of the engagement portion 30a, a fitting groove portion 30c into which the upper end of the tine 20 is fitted is formed. An interference avoiding notch groove 30d for avoiding interference with the tines 20 is formed in the center of the joint 30b.

Thus, the locking hole 33 of the tine bar 19 is formed.
Inside, hook-shaped locking piece 20a formed at the upper end of tine 20
And, in the same state, the engaging portion 30b of the clip 30 is engaged with the engaging piece 32 of the tine bar 19,
By fitting the fitting portion 30a of the clip 30 to the upper half peripheral surface of the tine bar 19, the upper portion of the tine 20 can be fixed and held in a covered state by the elastic force of the clip 30.

Therefore, the tine 20 can be easily attached to the tine bar 19 by using the clip 30 without using a tool or the like.

Further, in such a state that the tine 20 is attached, the rear side of the lower end becomes the operative side a to the crop.
Since the rear side of the upper end of the tine 20 is covered and fixed by the clip 30, even when the rear side of the lower end of the tine 20 acts on the crop, the load is not directly applied to the clip 30. The fixed state of the tine 20 can be reliably ensured.

When the clip 30 is to be removed, the fitting portion 30a is raised above the tine bar 19 by pulling the upper end edge 30e of the clip 30 upward and rearward against the elastic force of the clip 30. The mating is released from the half peripheral surface, and then the engaging portion 30 is released.
b may be released from the engagement piece 32 of the tine bar 19,
After the clip 30 is removed, the tine 20 can be easily removed from the tine bar 19 by pulling out the locking piece 20a of the tine 20 upward from the locking hole 33.

FIG. 4 shows a cutting section 9 as another embodiment. The cutting section 9 acts on a lodging crop.
A lodging crop action device 40 for changing the lodging direction of the crop is provided.

That is, the falling crop action device 40 pivotally supports the base ends of the falling crop action body support arms 41, 41 at the left and right ends of the reel support shaft 18, respectively. A lodging crop operating body 42 is laid between the supporting arms 41, 41, and a supporting frame 43 extending in the left-right direction is horizontally laid between the two supporting arms 41, 41. The upper ends of a plurality of lodging crop action pieces 44 extending in the direction are attached at a predetermined interval in the left-right direction.

A rod-shaped spring steel is used as the lodging crop action piece 44, and the lower end portion 44a of the crop action piece 44 is formed by bending backward in a convex shape.

Further, the left-hand lodging crop support body 41
The raising / lowering operating arm 45 projects upward from the base end of
Upper end of the lifting / lowering operation arm 45 and left reel support arm
An ascending / descending cylinder 47 is interposed between the cylinder supporting bracket 46 protruding in the middle of the device 15.

Here, as the lifting cylinder 47, a hydraulic cylinder or an electric cylinder can be used.

In this way, by moving the lifting cylinder 47 up and down, the supporting arms 41, 4
1 allows the lodging crop operating body 42 to be moved up and down.

At this time, since the falling crop action piece 44 of the falling crop action body 42 is formed by bending the lower end portion 44a backward convexly, the same applies even when the crop is lying down. Lower end 44
a can act on a lodged crop and change the lodging direction of the crop.

Furthermore, since the bar-shaped spring steel is used as the lodging crop operating piece 44, when the crop has a high resistance to the lodging crop operating piece 44, the lodging crop operating piece 44 is appropriately adjusted. It can be made to bend (bend), and it is possible to prevent the falling crop from dropping out.

Therefore, the crop can be reliably scraped by the scraping reel 16, and the efficiency of the cutting operation of the crop can be improved.

FIG. 6 shows a mounting structure of a falling crop acting piece 44 as another embodiment, in which a rotating support shaft 50 is provided between the distal ends of a pair of left and right falling crop acting body supporting arms 41,41. A stopper body 51 extending in the left-right direction is horizontally suspended at a position immediately in front of the rotation support shaft 50 while being rotatably mounted horizontally. Are attached at regular intervals in the left and right direction, and a torque spring 52 wound around a rotating support shaft 50 is interposed between the upper end of the The action piece 44 is urged to rotate forward, and the upper end of each lodging crop action piece 44 is
From behind. 52a and 52b are torque spring locking ends.

As described above, when a large load acts on the lodging crop 44 on the lodging crop 44, the torque spring
The lodging crop acting piece 44 rotates backward against the elastic biasing force of 52 to prevent crops from falling out or the like.

FIGS. 7 and 8 show a lodging crop operating body 42 as another embodiment. The lodging crop operating body 42 has a lodging crop operating piece 44 on a support frame 43 and a rear view of FIG. As shown in (1), the lower end portion 44a is attached to the left side of the upper end portion 44b side and in front of it, and is mounted in an inclined posture.

In this way, the laid crop is pushed to the left, and the uncut crop is tilted to the left, so that the cutting operation up to the next step can be performed smoothly.

FIGS. 9 and 10 show a tine 20 as another embodiment. The tine 20 is formed of a hard rubber material into a rectangular bar extending in the vertical direction, and the lower half thereof is curved. The lower end portion 20e is formed so as to be located forward of the upper end portion 20b, and the upper end portion 20b has a notch groove 20 formed therein.
c, and a bolt insertion hole 20d is formed in the front-rear direction orthogonal to the cutout groove 20c.

On the lower surface of the tine bar 19, a tine mounting body 55 extending in the left-right direction is mounted so as to protrude downward, and a plurality of bolt holes 56 are formed in the tine mounting body 55 at predetermined intervals in the left-right direction. doing.

In this manner, the notch groove 20c of the tine 20 is fitted into the tine mounting body 55, and the bolt insertion hole
20d is aligned with a bolt hole 56 formed in the tine mounting body 55, a mounting bolt 57 is inserted into both holes 20d, 56, and a nut 58 is screwed to a tip end of the mounting bolt 57, whereby the tine 20 So that it can be easily installed.

Further, the tine 20 can be easily removed by going back to the procedure opposite to the above-mentioned attaching procedure.

In this embodiment, the reel 17 is formed in a hexagonal shape. However, the reel 17 is formed in an octagonal shape, and the number of the tine bars 19 is reduced by bridging the tine bars 19 between the corners. In addition to increasing the number of tines, the tines 20 can be attached to each tine bar 19, and the number of the tines 20 can be increased as a whole to increase the scraping efficiency.

[0045]

According to the present invention, the following effects can be obtained.

According to the first aspect of the present invention, since the upper end of the tine is detachably attached to the tine bar via a clip having elasticity, the workability of attaching and detaching the tine is good, and maintenance is also performed. It can be done easily.

According to the second aspect of the present invention, a locking hole is formed in an upper part of the tine bar, and an engaging piece is projected downward from a lower part of the tine bar, while an upper part of each tine bar is formed in an upper part of the clip. Forming a fitting portion for fitting to the engaging piece at the lower part of the clip, and forming a locking piece formed at the upper end of the tine in a locking hole of the tine bar. In the same state, the fitting part of the clip is fitted to the upper part of the tine bar, and the engaging part of the clip is engaged with the engaging piece of the tine bar to fix the upper part of the tine in a covered state. The tine allows the tine to be easily attached to the tine bar, and the tine can be more easily removed from the tine bar by going back to the opposite procedure.

According to the third aspect of the present invention, since the rear side of the upper end of the tine, whose rear side on the lower end is the working side to the crop, is covered with the clip and can be fixed, the rear side of the lower end of the tine is fixed to the crop. When actuated, no load is applied directly to the clip, and the tine can be satisfactorily secured.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a general-purpose combine according to the present invention.

FIG. 2 is a sectional side view showing a tine mounting structure.

FIG. 3 is an exploded perspective view showing a mounting structure of the tine.

FIG. 4 is a side view of a cutting section provided with a lodging crop action device.

FIG. 5 is an explanatory side view of a lodging crop operating piece of the lodging crop operating device.

FIG. 6 is an explanatory side view of a lodging crop acting piece as another embodiment.

FIG. 7 is a side view of a lodging crop operating body as another embodiment.

FIG. 8 is a rear view of the lodging plant.

FIG. 9 is a cross-sectional side view showing a tine mounting structure as another embodiment.

FIG. 10 is a front view of the same.

[Explanation of symbols]

 A General-purpose combine 1 Running unit 2 Airframe 3 Operation unit 4 Motor unit 5 Storage unit 6 Threshing unit 7 Sorting unit 8 Drainage processing unit 9 Harvesting unit 10 Transport unit

Claims (3)

[Claims] 1. A general-purpose combiner having a plurality of tines mounted laterally between a pair of left and right reels and having a plurality of tines mounted on each tine bar. A general-purpose combine, wherein the combine is detachably attached via a clip. 2. An engaging hole is formed in an upper part of the tine bar, and an engaging piece projects downward from a lower part of the tine bar. And an engaging portion that engages with the engaging piece is formed at a lower portion of the clip, and the engaging piece formed at the upper end of the tine is engaged in the engaging hole of the tine bar. The fitting portion of the clip is fitted to the upper portion of the tine bar, and the engaging portion of the clip is engaged with the engaging piece of the tine bar so that the upper portion of the tine can be fixed in a covered state. The general-purpose combine according to claim 1. 3. The general-purpose combine as claimed in claim 2, wherein the rear end of the tine, whose rear end on the lower end is the working side on the crop, is covered with a clip and can be fixed.