JP3405921B2 - Karen of threshing equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates mainly to a threshing machine mounted on a combine or a harvester. 2. Description of the Related Art Karamin is a structure in which outside air is sucked from intake ports formed on both sides of a Karamin case and is sent out in the circumferential direction, and is disclosed in, for example, JP-A-9-56250. As described above, the bearing stay that supports the Karamin shaft was installed so as to cross the intake port formed in the Karamin case. [0003] In recent years, in a threshing apparatus, it is desired to increase the threshing capacity and the sorting capacity, and accordingly, it is necessary to increase the air volume in Karamin. ing. However, the bearing stay placed across the intake port of the Karamin case was one of the factors that reduced the intake performance. In other words, this bearing stay is composed of a member with a considerably large width because it is necessary to mount bearings for supporting the Karamin shaft and to support the Karamin shaft with sufficient strength. Of these, the area of the opening that actually participates in the intake, except for the part covered by the bearing stay, became smaller, and the intake resistance increased, making it difficult to increase the intake amount. As a result, it was not possible to expect a sufficient increase in the air volume even if the rotation speed of Karino was increased or the blowing performance of the wing blades was increased. In addition, increasing the rotation speed of the car would rather lead to an increase in drive noise and an increase in drive load. The present invention has been made in view of such a situation, and an object of the present invention is to make it possible to improve the intake performance by improving a bearing portion in Karino. [0005] The features, functions and effects of the first invention according to claim 1 are as follows. [Characteristics] A Karamin of a threshing apparatus in which a belt-like bearing stay for supporting a Karamin shaft is attached to a Karamin case in a state of crossing an intake port formed in the Karamin case, and a step is provided on the bearing stay.
And the bearing mounting part is outward from the Karamin case
The bearing stay
In addition, the air intake hole penetrating in the direction of the axis
The point is that an intake hole penetrating in a direction intersecting with the core is formed . According to the first aspect of the present invention, an intake hole is formed in the bearing stay so as to penetrate inward and outward, and the intake hole is also adapted to suck air into the case. The air intake area can be increased while crossing the mouth. [Effects] Therefore, according to the first aspect of the present invention, the intake performance can be improved by reducing the intake resistance, and as a result, the air volume can be increased without excessively increasing the rotation speed of the car. , Can contribute to the performance improvement of the threshing device. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG.
A handling room 3 is provided with a rotary handle 2 for handling grain culms conveyed by the feed chain 1, and is stretched below the handle 3 along the lower peripheral surface of the rotary handling cylinder 2. Forming a sorting chamber 5 for sorting the processed material leaking from the receiving net 4,
A Karamin 6 for supplying a sorting wind to the sorting chamber 5 and a rocking sorting body 7 for sorting while processing the processed material while swinging are provided. Screw 8a
And a second product recovery unit 9 for recovering the sorted second product and transporting the same through a second screw 9a. A reduction conveyor 10 is provided at the starting end of the swing sorting body 7 for transportation. [0010] As shown in Figs.
3 is attached to the Karamin case 11 so as to cross the intake port 12,
On the other hand, a plurality of wing blades 15 in the circumferential direction are attached via a stay 16 so as to rotate integrally with the Karamin shaft 13, and one end of the Karamin shaft 13 projecting outward from the Karamin case 11, from the engine 17. The input pulley 18 for receiving the power of the above and the output pulley 19 to the rotary handling cylinder 2 are mounted, and the other end portion is provided with the swing sorter 7, the first screw 8a, the second screw 9a, the reduction conveyor 10, etc. And two output pulleys 20 and 21 are attached. The bearing stay 14 is a sheet metal processed product, and an intake hole penetrating inward and outward is formed between a bearing mounting portion 14A for mounting the bearing 22 and a mounting portion 14B for mounting on the Karamin case 11. 23 are formed. Therefore, according to the above configuration, even though the bearing stay 14 crosses the intake port 12, the bearing stay 1
By forming the intake holes 23 in 4, a sufficient intake area can be secured. [0013] In Other Embodiments The above embodiment, as the bearing stay 14, showed sheet metal workpiece, as the bearing stay 14, as shown in FIG. 4, a pair of frame members 14a, bearing mounting plate
(Corresponding to the bearing mounting part) 14b and Karamin case 11
In this case, an intake hole 23 is formed between the bearing mounting plate 14b and the mounting plate 14c.

[Brief description of the drawings] FIG. 1 is a longitudinal side view of a threshing apparatus. Fig. 2 Vertical plan view of Karamino FIG. 3 is a perspective view of a bearing stay. FIG. 4 is a perspective view of a bearing stay showing another embodiment. [Explanation of symbols] 11 Karamin case 12 Inlet 13 Karakomin 14 Bearing stay 23 Intake hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho-63-186135 (JP, U) Japanese Patent Publication No. 27-707 (JP, B1) (58) Field surveyed (Int. Cl. ⁷ , DB name) A01F 12/48

Claims (1)

(57) [Claims 1] Karami of a threshing apparatus in which a belt-shaped bearing stay for supporting a Karamin shaft is attached to a Karamin case in a state of crossing an intake port formed in the Karamin case. Forming a step on the bearing stay to mount the bearing
Is located outside of the Karamin case.
In addition, the bearing stays
Holes and intake holes that penetrate in the direction
Karin of the threshing equipment that forms