JPS61257113A - Reaping part rolling apparatus in combine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a reaping section rolling device in a combine harvester.

(Prior art) An automatic feeding type threshing device is provided above the conventional traveling device, and a horizontal rotation shaft is provided in front of the machine body above the traveling device, and the upper end of the support shaft is fixed to the rotation shaft. However, it is known that a support frame having a lifting device is provided at the lower end of the support shaft, and the support frame is formed so as to roll in the left-right direction together with the lifting device.

(Problems to be Solved by the Invention) The above-mentioned known method had a defect in that the reaping section plunged into the field when the reaping section was rolled.

This phenomenon turned out to be a problem with the rolling speed.

(Means for Solving the Problem) Therefore, in the present application, an automatic feeding type threshing device 2 is provided above the traveling device 1, and a left-right rotation shaft 13 is provided in front of the body 38 at the top of the traveling device 1. , the upper end of a support shaft 14 is fixed to the rotation shaft 13, and a support frame 21 is provided on the lower end of the support shaft 14 to which the reaping part 4 is attached via a bendable part 15, and the support frame 21 can be moved vertically. In the case where the support frame 21 is formed to be able to move freely and roll freely, when the vertical movement speed of the support frame 21 is 81 and the rolling speed is S2, SL>52.
(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a traveling device, and an automatic feeding type threshing device 2 is provided above the traveling device.

3 is a culm feeding device of the automatic feeding type thresher 2, 4 is a reaping section provided in front of the traveling device 1, 5 is a weeding body, 6 is a pulling device provided at the rear of the weeding body 5, and 7 is a Clipper type cutting blade, 8 is a raking star wheel, 9 is a front side tip conveyor, 1
0 is the front root conveying device, and the above is the reaping section 4.

Further, 38 is the fuselage (body side frame) of the combine harvester.

11 is a rear side tip conveying device, and 12 is a rear side root conveying device, which takes over the culm from the front side tip conveying device 9 and the front side root conveying device 10 and supplies it to the culm feeding device of the automatic feeding type threshing device 2. Inherits the culm.

The reaping section 4 is attached to the tip of a support shaft 14 that extends forward from the rotation shaft 13 in the left-right direction, which is installed at the upper front side of the body 38, and the tip of the support shaft 14 is connected to the front tip of the front side. Conveying device 9, front root conveying device 10, and rear tip conveying device 1
1 and the rear root conveying device 12, the bendable portion 15 is formed so as to be able to roll freely.

Reference numeral 16 denotes a mixer case, which transmits rotational power to the rotating shaft 13 by known means, passes through the support shaft 14, and transmits rotation to each part. The support shaft 14 also serves as a power transmission shaft. Reference numeral 17 denotes a cylinder, which is pivoted 18 on the body 38 , and the tip of the piston 19 is pivoted 20 on the rear reinforcing arm 50 . The cylinder 17 moves the reaping section 4 up and down, and its speed is represented by Sl.

A support frame 21 that supports the reaping section 4 is provided at the tip of the bendable section 15, and the support frame 21 has a grass cutting body 5,
Pulling device 6, clipper type cutting blade 7, scraping star wheel 8
, a front side tip conveying device 9, and a front side root conveying device 10 are attached, and these roll under a single weight.

A substantially vertical support plate 22 is fixed to the lower end of the support shaft 14,
An adjustment plate 23 fixed to this on the support frame 21 side
Attach the upper end of the That is, the lower end 24 of the adjustment plate 23 is fixed to the support frame 21 with a set screw 25, and the adjustment plate 23
A shaft cylinder 26 is formed on the upper end side of the support plate 2.
2 and is pivoted by the horizontal central shaft 27 (
(See Fig. 3) The other side of the upper end of the adjustment plate 23 is formed into a shaft cylinder 28, facing the front side of the support plate 22, and is pivoted with a sliding shaft 29, but the shaft formed on the support plate 22 side The holes 30 are formed into upper and lower elongated holes.

The inner suspension frame 41 and the inner suspension frame 42 are provided near the front frame 34.35, their upper ends are pivoted to the fuselage 38 by a shaft 39.40, and their intermediate portions are connected to each other by a rear reinforcing frame 50. The tip of the piston 19 of the cylinder 17 is pivoted 20 to the rear reinforcing frame 50.

At the lower end of each of the inner suspension frame 41 and the inner simple frame 42, an outer suspension frame 45.46 is connected by a shaft 43.44.
The lower ends of the outer suspension frames 45 and 46 are respectively provided with protrusions 47 and 48 that protrude outward. 36. One protrusion 47 facing inside 37
The other protrusion 48 simply faces into the vertical long groove 36, but the other protrusion 48 is provided with an arm 31 at its outer end, and the tip of the piston 33 of the cylinder 32 fixed to the support frame 21 is brought into contact with the arm 31. be done.

The outer suspension frame 45 and the outer suspension frame 46 are connected by a front reinforcing frame 49. therefore,
When the piston 33 extends, the fuselage 38 and the support frame 21
The distance between the roller and the roller increases, and the roller rotates at a speed of S2 around the central axis 27. In this case, the relationship Sl>52 is established, and the height of the central axis 27 and the protrusion 47 and the protrusion 48 are
The height is approximately the same as shown in Figure 2.

That is, as explained in FIG. 1, when the piston 33 is extended, the support frame 21 swings about the central axis 27 when viewed from the front, so the portion of the front frame 34 that contacts the protrusion 47 curves in an arc shape. Although it moves up and down, the front frame 34 rotates so as to be drawn inward whether it is rotated upward or downward. Therefore, the contact between the front frame 34 and the protrusion 47 will not come off due to rolling. However, if the height of the central axis 27 and the protrusion 47 is
7 is at a much lower position than the central axis 27, when the front frame 34 moves upward due to rolling, it swings outward, and when it moves downward, it rotates so as to move inward. , the front frame 34 and the protrusion 47 are disengaged.

(effect) Next, we will discuss the effect.

When the traveling device l rotates and moves forward, the power of the engine is transmitted from the transmission case 16 to the rotating shaft 13, which causes the rotating shaft in the support shaft 14 to rotate, and the flexible portion 1
5 to rotate the raising device 6, raking star wheel 8, front side tip conveyor 9, and front side root conveyor 10, and also rotate the rear side ear tip conveyor 11 and rear root root conveyor 1 from the rotation shaft 13.
The M position 12 is rotated, and the clipper type cutting blade 7 is reciprocated left and right to move forward.

Then, the weeds are divided by the weed splitting body 5, the hanging tips are pulled up by the pulling device 6, the raking star wheel 8 is used to scrape them up, the front tip conveying device 9 and the front root conveying device 10 collect the grass, and the tips are conveyed to the rear side. Device 11 #ie side root conveyance device 12
The culm is then transported to the husk feeding device 3 of the automatic feeding type threshing device 2.

In the above case, when the aircraft tilts to the right, a signal from the horizontal sensor is given to the valve of the cylinder 32, causing the piston 33 to contract and move the support frame 21 via the arm 31 so that the right side rises around the central axis 27. Since it is rolled at a speed of 52, the weeding body 5, the pulling device 6, the clipper type cutting blade 7, the raking star wheel 8, the front side tip conveying device 9,
The front root conveying device 10 simultaneously rolls and the cutting section 4
keeps level and moves forward.

In the above case, when the aircraft tilts to the left, a signal from the horizontal sensor is given to the valve of the cylinder 32, and the piston 33 extends, causing the support frame 21 via the arm 31 to move down on the right side about the central axis 27. Since it is rolled at a speed of S2, the weeding body 5, the pulling device 6, the clipper type cutting blade 7, the raking star wheel 8, the front side tip conveying device 9,
The front root conveying device 10 simultaneously rolls and the cutting section 4
keeps level and moves forward.

The above rolling is carried out by the front tip conveying device 9, the front root conveying device 10, the rear tip conveying device 11, and the rear root conveying device 1.
Since this is carried out approximately at the handover section of No. 2, it does not adversely affect the handover work.

When the end of the field is reached and the reaping section 4 is to be moved upward, the valve that supplies oil to the cylinder 17 is opened, the piston 19 is extended, and the reaping section 4 is moved upward at a speed of Sl.

At this time, since the relationship between Sl and S2 is S2<Sl, it is possible to prevent the half-grown plants 5 from rushing into the field.

(Effects) As described above, an automatic feeding type threshing device is provided above the conventional traveling device, and a left-right rotation shaft is provided in front of the machine body above the traveling device, and a support shaft is attached to the rotation shaft. It is known that the upper end of the support shaft is fixed to a shaft, and the lower end of the support shaft is provided with a support frame having a lifting device, and the support frame is formed so as to roll in the left-right direction together with the lifting device. The above-mentioned known method had a defect in that the reaping section plunged into the field when the reaping section was rolled. This phenomenon turned out to be a problem with the rolling speed.

However, in the present application, an automatic feeding type threshing device 2 is provided above the traveling device 1, and a horizontal rotation shaft 13 is provided in front of the machine body 38 at the top of the traveling device 1, and the rotation shaft 13 has a support shaft. 14
A support frame 21 is provided with an upper end fixed to a shaft and a reaping part 4 attached to the lower end of the support shaft 14 via a bendable part 15, and the support frame 21 is formed to be vertically movable and rollable, When the vertical movement speed of the support frame 21 is 51 and the rolling speed is 52, Sl>3
Since this is a rolling device for the reaping part of a combine harvester, when the machine body tilts to the left, a signal to that effect from the horizontal sensor is given to the valve of the cylinder 32, and the piston 33 is extended, and the arm 31 moves to the support frame. 2
1 at a speed of S2 with the right side going down around the central axis 27, and when it reaches the end of the field and moves the reaping part 4 upward, the valve that sends oil to the cylinder 17 is opened and the piston 19 is extended. , St. The reaping section 4 is moved upward at a speed of , St. At this time, since the relationship between Sl and 52 is S2 x Sl, it is possible to prevent the weeding body 5 from rushing into the field.

[Brief explanation of drawings]

1 is a plan view, FIG. 2 is a side view, FIG. 3 is a side view of the central shaft portion, and FIG. 4 is a front view of FIG. 3. Explanation of symbols 1... Traveling device, 2... Automatic feed type threshing device, 3.
... Culm supply device, 4... Reaping section, 5... Cultivator,
6... Pulling device, 7... Clipper type cutting blade, 8...
Scraping star wheel, 9... Front side tip conveyor, 10
. . . Front root conveyance device, 11 . . . Rear side tip conveyance device, 12 .
4... Support shaft, 15... Flexible portion, 16... Mission case, 17... Cylinder, 18... Pivot mounting, 19... Piston, 20... Piston mounting, 21... ...Support frame, 22...Support plate, 23...Adjustment plate, 2
4...lower end, 25...set screw, 26...shaft cylinder,
27... Central axis. 28... Shaft cylinder, 29... Sliding shaft, 30... Shaft hole,
31... Arm, 32... Cylinder, 33... Piston, 34.35... Frame before reaping, 36.37.
・・Upper and lower long grooves, 38・・Airframe, 39・・Axis, 40・
...Axle, 41.42 ...Inner suspension frame, 43.4
4...Axle, 45.46...Outside (1 suspension frame, 4
7.48...Protrusion, 49...Front side reinforcement frame, 5
0... Rear reinforcement frame, 51... Upper sprocket, 52... Lower sprocket, 53... Che 7.
54... Lifting lug.

Claims (1)

[Claims] An automatic feeding type threshing device 2 is provided above the traveling device 1, and a horizontal rotation shaft 13 is provided in front of the body 38 at the top of the traveling device 1. The upper end of the support shaft 14 is fixed,
A support frame 21 to which the reaping section 4 is attached via a bendable section 15 is provided at the lower end of the support shaft 14, and the support frame 21
The reaping section rolling device for a combine harvester is formed to be vertically movable and rollable, and where S1>S2, where the vertical movement speed of the support frame 21 is S1 and the rolling speed is S2.