JPH0228385Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is a method for preventing straw wrapping around a bearing part of a lower screw conveyor in an immersion type grain dryer in the conveying direction. This invention relates to an anti-wrapping device.

The immersion type grain dryer A is equipped on the front side of the machine body 1 as shown in Fig. 1 in order to load grain into the grain tank 10 installed on the machine body 1. The elevator 2 lifts the grains by the bucket conveyor 21 suspended in the grain lifting tower 20, and transfers the grains to the bucket 2 at the upper end of the bucket conveyor 21.
Since this is done by throwing the grains into the grain tank 10 by utilizing the releasing action of the grains when they are discharged from... Machine wall 1 on the front side of aircraft 1
It is installed in the fuselage 1 in a state parallel to a.

For this purpose, grains discharged from a discharge port 11 provided at the bottom of the grain tank 10 are carried out to the outside of the machine by a lower screw conveyor 3 installed horizontally below the discharge port 11. When the grain is fed into the lower inner cavity of the lifting tower 20 of the elevator 2, at the terminal end of the lower screw conveyor 3 that protrudes outside the machine, a jump plate 5 installed at the terminal end of the screw shaft 30 is placed on one side. By jumping forward and sending the grain forward again from that position, the bucket conveyor 21 is sent out in a crank shape as shown by the dashed arrow in FIG. I try to send it to the lower part on the return stroke side.

From this, when the straw mixed in the grains loaded in the grain tank 10 flows together with the grains toward the elevator 2, the screw shaft of the lower screw conveyor 3 This causes a problem in that it wraps around the outer periphery of the boss portion 40 of the bearing support member 4 that pivotally supports the shaft end on the terminal side of the screw shaft 30 and grows there, thereby blocking the rotational operation of the screw shaft 30. There is.

The present invention was devised to solve this problem, and while improving the feeding of grains to the elevator by the lower screw conveyor, the straw debris mixed in the grains can be removed from the lower screw conveyor. It is an object of the present invention to provide a new means for effectively preventing the Yukon Bear from becoming wrapped around the end of its rotating shaft.

For this purpose, in the present invention, a small-diameter shaft rod is formed at the terminal end of the screw shaft of the lower screw conveyor, and the shaft rod is mounted on the outer surface of the elevator. The shaft is fitted into the boss part of the support member via a bearing, and the boss part of the bearing support member is formed so that its outer diameter approximately corresponds to the outer diameter of the screw shaft, and the shaft end on the terminal side of the screw shaft On the outer periphery of the part, a mounting boss part of the pop-up plate is formed into a cylindrical shape and fitted, and the outer end thereof is extended toward the bearing support member to cover the outer periphery of the boss part of the bearing support member. A straw winding of a screw shaft of a lower screw conveyor in an immersion type grain dryer, characterized in that the spring plate is widened to cover substantially the entire width in the axial direction of the mounting boss portion. This is to introduce an anti-sticking device.

Next, an example of implementation will be described in detail with reference to the drawings. Note that the same reference numerals in the drawings as in the conventional means are used for constituent members having the same effect.

Figure 2 shows an immersion type grain dryer A that can implement the present invention.
In the same figure, 1 is the fuselage, 10 is the grain tank installed inside the fuselage 1,
2 is an elevator installed on the front side of the aircraft body 1;
0 is a grain lifting tower of the elevator 2, 21 is a bucket conveyor stretched inside the grain lifting tower 20, 22... is a bucket,
3 is a lower screw conveyor installed horizontally at the bottom of the internal cavity of the machine body 1, 30 is its screw shaft, 3a
4 is a helical wing attached to the outer peripheral surface of the screw shaft 30; 4 is a bearing support member attached to the outer surface of the elevator 2 so as to pivotally support the shaft end of the screw shaft 30; 40
5 indicates a boss portion thereof, 5 is a spring plate attached to the outer periphery of the shaft end of the screw shaft 30, and 50 is a mounting boss portion of the spring plate 5.

The screw shaft 30 has a screw shaft 3 at its terminal end as shown in FIG.
A shaft rod portion 30a is formed to have a diameter smaller than 0.0, and by fitting this small diameter shaft rod portion 30a into the inner cavity of the boss portion 40 of the bearing support member 4 via the bearing 4a, the shaft can be fixed. It is supported. The boss portion 40 of the bearing support member 4 is formed into a cylindrical shape whose outer diameter is somewhat smaller than the outer diameter of the screw shaft 30.

Further, the jump plate 5 installed on the shaft end on the terminal side of the screw shaft 30 is attached by fitting the mounting boss portion 50 formed in the shape of a shaft cylinder onto the outer periphery of the screw shaft 30. The mounting boss portion 50 has an outer end extending toward the bearing support member 4, and its extending portion 50a extends the outer periphery of the boss portion 40 of the bearing support member 4 as shown in FIG. It is made so that it is covered. Furthermore, the spring plate 5 is widened to cover substantially the entire width in the axial direction of the mounting boss portion 50 which is elongated in the axial direction.

The embodiment device constructed in this manner operates as follows.

When the lower screw conveyor 3 carries out the grains discharged from the discharge port 11 at the bottom of the grain tank 10 and sends them to the lower part of the return stroke side of the bucket conveyor 20 of the elevator 2, the grains are mixed in. The extending portion 50a of the mounting boss portion 50 of the pop-up plate 5 that covers the boss portion 40 of the bearing support member 4 prevents the straw debris from flowing into the circumferential surface of the boss portion 40 of the bearing support member 4.
At the same time, the widened spring plate 5 allows the grains to flow sideways together with the grains.

As explained above, the straw wrapping prevention device of the screw shaft of the lower screw conveyor in the immersion type grain dryer according to the present invention has the following effect:
A small-diameter shaft portion 30a is formed, and the shaft portion 30a is formed with a small diameter.
a is fitted and supported via a bearing 4a in a boss portion 40 of a bearing support member 4 installed on the outer surface of the elevator 2, and the outer diameter of the boss portion 40 of the bearing support member 4 is the same as that of the screw shaft 30. Formed to approximately correspond to the outer diameter,
On the outer periphery of the shaft end on the terminal side of the screw shaft 30,
The mounting boss portion 50 of the pop-up plate 5 is formed into a cylindrical shape and is fitted, and the outer end thereof is attached to the bearing support member 4.
It extends to the side to cover the outer periphery of the boss portion 40 of the bearing support member 4, and the jump-out plate 5 is expanded to cover substantially the entire width of the mounting boss portion 50 in the axial direction. Therefore, the straw debris in the grains that becomes wrapped around the boss 40 of the bearing support member 4 that pivotally supports the shaft end of the screw shaft 30 can be removed by the extension of the mounting boss 50 of the pop-up plate 5. The part 50a is shielded from the boss part 40, and the widened jump plate 5 allows the flow to flow toward the elevator 2, thereby reliably preventing winding. By widening the width toward the support member 4 side, grains can be efficiently fed into the elevator 2.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway schematic side view of the entire conventional means, Fig. 2 is a cross-sectional plan view of the main part of the immersion type grain dryer in which the present invention can be implemented, and Fig. 3 is a part of the main part of the same. FIG. Explanation of drawing symbols, A... Grain dryer, 1... Airframe, 1a... Machine wall, 10... Grain tank, 11... Discharge port, 2... Elevator, 20... Grain lifting tower, 21... ...Bucket conveyor, 22...Bucket, 3...Lower screw conveyor, 3a...Spiral blade, 30...
Screw shaft, 30a... shaft rod part, 4... bearing support member, 4a... bearing, 40... boss part, 5...
Jumping plate, 50... mounting boss portion, 50a... extending portion.

Claims (1)

[Scope of utility model registration request] Screw shaft 30 of lower screw conveyor 3
A small-diameter shaft rod portion 30a is formed at the terminal end of the shaft, and the shaft rod portion 30a is inserted into the boss portion 40 of the bearing support member 4, which is installed on the outer surface of the elevator 2, via the bearing 4a. The boss portion 40 of the bearing support member 4 is formed so that its outer diameter approximately corresponds to the outer diameter of the screw shaft 30, and the outer periphery of the terminal end of the screw shaft 30 has a Mounting boss portion 5 of pop-up plate 5
0 is formed into a cylindrical shape and fitted, and its outer end side is extended toward the bearing support member 4 to cover the outer periphery of the boss portion 40 of the bearing support member 4, and the jump plate 5 A device for preventing straw from being entangled in a screw shaft of a lower screw conveyor in an immersion type grain dryer, characterized in that the width is expanded to cover substantially the entire width in the axial direction of a mounting boss portion 50.