JPH07115822A - Reaping device - Google Patents

Abstract

PURPOSE:To prevent cut straws, mud, soil, etc., from retaining by installing a transmission box at a higher position based on a mower frame. CONSTITUTION:In this reaping device for installing a transmission box 4 for driving a hair clipper type reaping edge 2 on a frame 3 of a second mower, the transmission box 4 is supported through a space at a given height H from the mower frame 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission box supporting device for a cutting device for cutting grain culms.

[0002]

2. Description of the Related Art Conventionally, in a mowing device for a second mower, a transmission box for driving a cutting blade is directly attached to and supported by a mower frame.

[0003]

Therefore, there has been a problem that cutting straws and mud accumulate on the frame and in the vicinity of the mounting portion of the transmission box, which deteriorates the cut mark. Further, since the position of the transmission box is low, muddy water from wet field work invades into the transmission box, shortening the life of the transmission device and damaging it due to rust.

The present invention aims to solve the above problems, and the following technical means have been taken to achieve this object.

[0005]

That is, according to the technical means of the present invention, the transmission box 4 for driving the hair clipper type cutting blade 2 is installed on the frame 3 of the second mower. Is supported on the mower frame 3 through a space having a predetermined height H.

[0006]

Therefore, according to the structure of the present invention, since the transmission box is installed at a high position and a predetermined space is provided between the transmission box and the mower frame, cutting straws and mud are prevented. It will be smoothly discharged to the rear through the space, and it is possible to solve the conventional problems caused by the accumulation of these. Further, since no muddy water enters, damage to the transmission device can be prevented.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a cutting blade pedestal, 2 is a hair clipper type cutting blade, which is slidable laterally relative to the cutting blade pedestal 1. I support you. Reference numeral 3 is a mower frame, and the cutting blade support 2 is provided at the front end of the mower frame.
It is attached and supported.

Reference numeral 4 denotes a transmission box having a transmission device for driving the cutting blade 2, which is mounted on a vertical support frame 5 and a horizontal support frame 6 via a mounting base 7. I support you. In addition, the transmission box 4 is
A space having a predetermined height H is opened from the upper surface of the frame 3 and supported. 8 is a cutting blade drive shaft, and 9 is a cutting blade drive shaft.
It is. The cutting blade drive shaft 8 is reciprocatingly driven via a hydraulic motor 10 and a transmission device in the transmission box 4. The cutting blade drive arm 9 is oscillated in the lateral direction in accordance with the reciprocating rotation of the cutting blade drive shaft 8 so as to drive the cutting blade 2.

Next, the embodiment shown in FIGS. 3 and 4 will be described. These show combine harvesters for multiple-row mowing, and a plurality of grass bodies arranged at predetermined intervals in the lateral width direction from the front, A raising device 25, a weed rod 11 that supports each of the grass bodies, and a clipper-type cutting device 12 are provided. Each grass body 11 is provided so as to project forward from the horizontal frame 13. On the upper rear side of the reaping device 12, a scraping and conveying device 26 and the like for scraping and conveying the cut grain culms backward is disposed.

The reference numeral 14 designates a cutting transmission case which is long in the front-rear direction and is erected so as to be able to move up and down and also serves as a cutting main frame.
At its front end, a lateral transmission case 15 is provided which is long in the lateral direction and has a transmission mechanism incorporated therein for driving the reaping and scraping conveyance device and the like. The horizontal frame 13 is connected and held to the horizontal transmission case 14 via the left and right vertical frames 16 and 16 and supporting members 17 and 17.

The cutting blade drive mechanism 18 comprises a drive arm 19, a bell crank 20 pivotally supported by the support member 17, a rod 21, a crank arm 22 and the like, and the transverse transmission cage.
It is designed to be driven by the shaft in the space 15,
The drive arm 19 on one side is the upper blade 12 of the reaper.
The drive arm 19 on the other side drives the lower blade 12b, and the upper blade 12a and the lower blade 12b are reciprocally driven in opposite directions.

Reference numeral 23 denotes a side frame, which is located outside the cutting blade drive mechanism 18, extends between the lateral frame 13 and the lateral transmission case 15, and connects them to the bolt 2
It is connected and fixed integrally with 4. Therefore, the presence of the side frame 23 can protect the cutting blade drive mechanism 18 from a ridge or the like. Moreover, this side frame can also serve as a guide function for the uncut grain culms during the splitting work.

In the figure, 27 is a main oiling pipe for oiling the reaping device 12, the root chain, the tip chain, the raised chain, etc., which is piped below the lateral transmission case 15. The embodiment shown in FIGS. 5 to 9 will be described. A cutting machine 33 is provided on the front part of a machine body 32 equipped with a traveling crawler 31, and a self-decomposing threshing machine 35 equipped with a threshing feeder chain 34 is mounted on the rear part of the machine body.

The reaping unit 33 raises a raised grain culm by a raising device 37, a reaping device 38 for reaping the raised grain culm, and a scraping unit for scraping and conveying the cut grain culm toward the center rear in the cutting width direction. Incorporating star wheel 39, taking over the grain culm after scraping and transporting the grain culm to the rear while changing the posture to a sideways posture and removing the threshing wheel.
The transport device 40, etc., for delivering to the dochien 34. Then, the mowing unit 33 is arranged to remove the mowing main frame 4 from the machine body.
It is configured so that it can be moved up and down about the horizontal axis X via the shaft 1, and can be moved up and down in the vertical direction by the hydraulic cylinder 42. Further, the harvested grain culm transporting device 40 is configured such that the starting end side swings in the left-right direction with the vertical axis Y provided on the terminal end side as a fulcrum.

A lateral input shaft 43 is arranged in the same axial core state as the horizontal shaft X, and power is transmitted from the driving part side through an input pulley 44 attached to one shaft end of the input shaft 43. The lateral transmission shaft 46 is rotationally driven from the other end of the input shaft 43 via the gear mechanism 45, and the transport device is also driven via the transport drive shaft 47 and the vertical drive sprocket that are in the same axial core state as the vertical axis Y. 40 is configured so as to drive the tip transport chain 40a and the stock carrier transport chain 40b.

Further, the grain culm transporting device 40 is constructed so as to be capable of vertically moving with the lateral transmission shaft 46 as a fulcrum so that the handling depth can be adjusted, and is pivotally attached to the machine side. Lifting arm 49 that moves up and down around the supported shaft 48
Supported by a roller 50, and a reaping transmission case described later.
The start end portion moves in the left-right direction along with the movement of the movable frame 54 that also serves as the slot 53 (this moves with the vertical axis Y on the end side as a fulcrum).
It is designed to be possible.

Then, the starting end portion of the transfer device 40 is on the right side S ₁
It is configured to be movable in an oblique direction so as to be displaced to the front side along with the lateral movement from the position to the left side S ₂ position beyond the longitudinal line A passing through the vertical axis Y. Therefore, even if the starting end of the transport device swings in the left-right direction about the vertical axis Y as the center of rotation, the relative position with respect to the front pre-mowing processing unit does not change significantly, and a substantially constant relative position is maintained. become.

A front-rear transmission shaft 55 protruding forward from an intermediate portion of the lateral input shaft 43 through a bevel gear mechanism 55a, and a front-rear transmission shaft 56 protruding rearward from the cutting transmission case 53. And are linked by a cutting transmission shaft 57 that is flexible and bendable. That is, the reaping transmission shaft 57 is slidable and expandable with respect to each other, and is interlockingly connected between the transmission shafts 55 and 56 via universal joints 58 and 59.

The moving frame 54 is integrally frame-structured by a guide rail member 60 arranged obliquely in the lateral direction and a weed support rod 62 having a weed body 61 at the tip.
Then, a guide rail provided on the front side of the moving frame 54.
The rule member 60 is mounted on a guide roller 63 provided at the tip on the cutting main frame 41 side so as to be slidable left and right, and a sliding ring 64 provided on the rear side of the moving frame 54.
Is slidably fitted to a support pipe 65 provided in the middle portion on the side of the reaping main frame 41 so as to be supported diagonally in the lateral direction.

The harvesting main frame 41 has an electric motor 6
A spiral shaft 67 that is driven in the forward and reverse directions by 6 is installed. Then, the top member 68 of the movable frame 54 is screwed onto the spiral shaft 67, and the movable frame 5 is rotated by the forward and reverse rotation of the spiral shaft 67.
4 is configured to reciprocate in the left-right, lateral, and diagonal directions. In short, the positional relationship between the transport start end portion and the pre-mowing treatment unit is configured by configuring the transport start end portion of the transport device to have the front-rear movement amount L ₁ and the pre-mowing treatment portion L ₂ substantially equal to each other. Will be held substantially constant, and even at an arbitrary slide position, the transfer can be carried out smoothly and properly between the two.

The elevating arm 49 is pivotally mounted so as to be swingable in the left and right directions about the axis Q in the up and down direction, thereby enabling the transfer device 40 to swing in the left and right directions. The raising / lowering arm 49 is moved up and down via the motor 69, the crank 70, and the crank rod 71, and the handling depth is controlled by the vertical movement of the conveying device 40. Since the raising / lowering arm 49 is supported on the machine side, not on the mowing section side, even if the mowing height changes due to the raising / lowering of the mowing section, the handling depth does not change and holds the predetermined position. ing.

[Brief description of drawings]

FIG. 1 is a front view of a main part of a reaping unit.

FIG. 2 is a side view of a main part of a reaping unit.

FIG. 3 is a plan view of a main part of a mowing unit.

FIG. 4 is a side view of a main part of a reaping unit.

FIG. 5 is a plan view of an essential part of the combine.

FIG. 6 is a side view of the main part of the combine.

FIG. 7 is a side view of a main part of the same.

FIG. 8 is a side view of the main part of the same.

FIG. 9 is a plan view of an essential part of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cutting blade cradle 2 Hair clipper type cutting blade 3 Mower frame 4 Transmission box 5 Supporting frame 6 Supporting frame

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyoi Izumi 1 No. 1 Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A transmission box 4 for driving a clipper type cutting blade 2 is installed on a frame 3 of a second mower, and the transmission box 4 is placed in a space having a predetermined height H with respect to the mower frame 3. A reaping device characterized in that it is supported via.