RU2555008C1 - Cutter for growing soybean stripping - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: suggested cutter for growing soybean stripping contains floating platform with outside dividers, unloading device with fan, front and rear along movement direction drums with stripping combs with teeth 9 and holes 10 at places of their side edges connection in base of the tooth 9 covered by enclosures. Side edges of the tooth 9 of the stripping comb are made according to hypocycloid:

where: R is radius of guide circle; r is radius of generating circle; φ is angle of rotation of the generating circle. At that the hypocycloid is plotted at ratio R=3r, two branches 14 start from top of tooth 9 and crosses axis x of the guide circle in places of their connection Edge of the hole 10 at place of connection of side edges 11 in the base of tooth 9 has groove.

EFFECT: improved space filling between teeth of the stripping comb, and trajectory of soybean grains movement, reduced weight of the stripping comb.

3 cl, 4 dwg

Description

The invention relates to agricultural machinery and can be used in reapers for towing soybeans and other crops on the vine.

A device for harvesting crops on the root according to the patent RU No. 2010481, IPC A01D 41/08, published 04/15/1994, containing a copying platform with a screw and combing module, consisting of two drums enclosed in a guide casing, the lower edge of which is protruding in the side opposite to the movement beyond the vertical axis of the first of the stripping drums, and the stripping drums are mounted on suspensions, which are pivotally and via hydraulic cylinders connected to the copying platform.

The disadvantages of this reaper:

1. When harvesting soybeans, there is insufficient filling of the space between the teeth of the combing comb due to the slipping of the stalks of soybeans from the lateral edges of the tooth.

2. The trajectory of the soybean grain coming down from the straight teeth of the combing comb is unpredictable. Depending on the angle of inclination of the velocity vector to the surface of the casing at the point of their contact, the grain will either slide along it towards the screw or a shock will occur, as a result of which both the magnitude and direction of the velocity will change.

Known scrubbing device according to patent RU No. 2373681, IPC A01D 41/08, published November 27, 2009, containing the front and rear cleaning drums and a copy platform with hydraulic cylinders for raising and lowering. A screw and a rear combing drum are installed in the case of the copying platform, and copy rollers are installed in the lower part of the drum. The casing with the front stripping drum is connected to the copying platform by means of adjustable rods installed in the hinge supports. The casing and the copying platform are connected to each other by hydraulic cylinders.

The main disadvantage of this stripping device is that:

1. When harvesting soybean, there is insufficient filling of the space between the teeth of the combing comb due to the slipping of the soybean stalks from the lateral edges of the tooth.

2. The trajectory of the soybean grain coming down from the straight teeth of the combing comb is unpredictable. Depending on the angle of inclination of the velocity vector to the surface of the casing at the point of their contact, the grain will either slide along it towards the screw or a shock will occur, as a result of which both the magnitude and direction of the velocity will change.

The purpose of the invention:

1. To improve the filling of the space between the teeth of the combing comb and the penetration of the teeth into the stalks of soy.

2. Improve the trajectory of the movement of soybean grain coming off the tooth combing comb.

3. Reduce the weight of the combing comb.

This goal is achieved by the fact that the lateral edges of the teeth of the combing comb are made on a hypocycloid:

constructed at the ratio R = 3r, two branches of which come from the top of the tooth and intersect with the x-axis of the guiding circle at the points of their connection, where

R is the radius of the guide circle;

r is the radius of the generating circle;

φ is the angle of rotation of the generating circle,

while the edge of the hole has a sharpening. The teeth of the combing comb are bent in the direction of rotation by involute:

where r is the radius of the circle;

φ is the angle of rotation of the radius of the circle.

Sharpening the edge of the hole is made with a countersink.

Thus, the inventive reaper for combing soybean in the vine meets the criterion of "Novelty."

Signs that distinguish the claimed technical solution from the prototype, in other technical solutions in this area are not identified, which allows us to conclude that the inventive header for combing soybeans in the bud meets the criterion of "significant differences".

Figure 1 shows the header for combing soybeans on the vine, left view; figure 2 - combing comb with teeth; figure 3 - hypocycloid, built with a ratio of R = 3r; figure 4 is a section aa of figure 2.

The inventive header for combing soybeans on the vine (Fig. 1) comprises a copying platform 1 with field dividers 2, a screw 3, an unloading device 4 with a fan 5, a front 6 and a rear 7 along the direction of the drums with combing combs 8 with teeth 9 and with a hole 10 at the junction of their lateral edges 11 at the base of the tooth 9 (figure 2), closed by casings 12 and 13.

The lateral edges 11 of the tooth 9 of the combing comb 8 are made on a hypocycloid:

constructed at a ratio of R = 3r, two branches 14 of which come from the top 15 of the tooth 9 and intersect with the x axis of the guide circle 16 in the places of their connection (figure 3), where:

R is the radius of the guide circle;

r is the radius of the generating circle;

φ is the angle of rotation of the generating circle,

however, the edge 17 of the hole 10 has a sharpening.

The teeth 9 of the combing comb 8 are bent in the direction of rotation by involute:

where: r is the radius of the circle;

φ is the angle of rotation of the radius of the circle.

Sharpening of the edge 17 of the hole 10 is carried out by a vertical drill 18 (Fig. 4).

The header for combing soybeans on the vine is aggregated with energy (not shown).

When moving the header for towing soybeans on the vine (Fig. 1), field dividers 2, mounted in front of the copying platform 1, share the array.

Front 6 and rear 7, in the direction of travel, the drums with combing combs 8 with teeth 9 and with a hole 10 at the junction of their lateral edges 11 at the base of the tooth 9 (figure 2), closed by a casing 12 and 13 and rotating towards each other, combing soybeans 8 with teeth 9 grab and comb the soybeans and throw them to the screw 3, which moves them to the unloading device 4 with fan 5, then into the vehicle body (not shown).

Due to the fact that the lateral edges 11 of the tooth 9 of the combing comb 8 are made on a hypocycloid:

constructed at a ratio of R = 3r, two branches 14, which come from the top 15 of the tooth 9 and intersect with the x-axis of the guide circle 16 in the places of their connection where

R is the radius of the guide circle;

r is the radius of the generating circle;

φ is the angle of rotation of the generating circle,

the filling of the space between the teeth 9 of the combing comb 8 and the penetration of the teeth into the stalks of soybean improves, the mass of the combing comb 8 also decreases.

The implementation of the tooth 9 combing comb 8 bent according to involute:

where: r is the radius of the circle;

φ is the angle of rotation of the radius of the circle,

improves the trajectory of the movement of soybean grain coming off tooth 9 combing comb 8.

Sharpening the edges 17 of the hole 10 using the countersink (figure 4) allows you to get a sharp edge 17 to cut the bobik.

Using the proposed header for towing soybean in the vine will allow:

1. To improve the filling of the space between the teeth of the combing comb and the penetration of the teeth into the stalks of soy.

2. Improve the trajectory of the movement of soybean grain coming off the tooth combing comb.

3. Reduce the weight of the combing comb.

Claims (3)

1. Header for soya harvesting on the root, containing a copying platform with field dividers, auger, unloading device with a fan, front and rear drums with combing combs with teeth and a hole at the junction of their lateral edges at the base of the tooth, covered by casings characterized in that the lateral edges of the tooth of the combing comb are made according to a hypocycloid:

constructed at the ratio R = 3r, two branches of which come from the top of the tooth and intersect with the x-axis of the guiding circle at the points of their connection, where
R is the radius of the guide circle;
r is the radius of the generating circle;
φ is the angle of rotation of the generating circle,
while the edge of the hole has a sharpening. 2. The header for combing soybeans on the vine according to claim 1, characterized in that the teeth of the combing comb are bent in the direction of rotation by involute:

where: r is the radius of the circle;
φ is the angle of rotation of the radius of the circle. 3. Reaper for soybean sowing on the root according to claim 1, characterized in that the sharpening of the edge of the hole is made with a countersink.

Images