KR20090104490A - Grain tank for combine - Google Patents

Abstract

PURPOSE: A grain tank for a combine is provided, which can reduce impact caused by collision of grains and a grain tank and can prevent the grains from being damaged. CONSTITUTION: A grain tank for a combine comprises a tank body(62) which has an input hole(6a) and in which grains are stored; and a buffering unit which prevents grains poured into the input hole from being damaged due to collision with the inner surface of the tank body. The buffering unit includes absorbing sheets(64) which are applied on the inner surface of the tank body. The absorbing sheet is applied in the part facing the input hole and the neighboring region.

Description

Grain tank for combine

The present invention relates to a grain tank for combines for receiving and storing the grain (grain) of the harvested grain.

The combine is a harvesting machine that threshes and sorts grains such as wheat, rice, and barley while traveling on farmland, and the grains of the harvested grains are transported and stored in a grain tank provided in the combine.

In the process of storing the grains, most of the grains that are transported to the grain tank are stored in such a way that once they hit the inner surface of the grain tank, including the inner wall of the grain tank, they bounce off and fall. The combine has a high risk of causing various damage to the grain, such as causing a crack to occur inside the grain due to various impacts resulting from the collision at this time.

The present invention provides a grain tank for combines that can receive and store the grain without damage.

According to the present invention, there is provided a combine grain tank including a tank body having an inlet and storing grain therein, and a buffer means for preventing the grain introduced into the inlet of the tank body from colliding with the inner surface of the tank body. do.

According to the present invention, the buffer means may include at least one of a buffer sheet coated on the inner surface of the tank body and a buffer membrane disposed in the tank body so as to face the inlet.

Here, the covering position of the buffer sheet may be limited to the portion of the inner surface of the tank body facing the inlet and the periphery thereof. The buffer membrane may be mounted to be suspended in the tank body. In addition, the buffer membrane may be configured to have a net structure.

The present invention can reduce the impact to be received as the grains injected into the tank body of the grain tank hit the inner surface of the tank body, thereby preventing the grains from being damaged in the process of injecting the grains into the tank body. There is an effect.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a left side view of a combine tank to which a grain tank according to a first embodiment of the present invention is applied, and FIG. 2 is a block diagram illustrating a threshing apparatus and a sorting apparatus of the combine of FIG. 1. 3 is a perspective view illustrating the grain tank and its related parts shown in FIG. 1, and FIG. 4 is a cross-sectional view taken along the line A-A of FIG. 3.

In FIG. 1 of the drawings, reference numeral 1 denotes the body of the combine. Reference numeral 2 denotes a crawler type traveling device, and 3 denotes an engine for providing power required for driving the traveling device 2, and the combine includes these. At this time, the body 1 includes a frame which is a basic structure constituting a chassis, and is mounted on the upper side of the traveling device 2 so as to sandwich the frame therebetween. Of course, the traveling device 2 thus supports the body 1.

The combine including the body 1, the traveling device 2, and the engine 3 as described above is, as shown in Figs. 1 to 4, a harvesting device 4 for cutting grain, and the harvesting device 4 Threshing device (5) for separating grain from the grains of grains and sorting only the grain, and sorting device, grain tank (6) in which the grain is stored, and auger for discharging the grain stored in the grain tank (6) to the outside (75), the driver's seat 82, and various combine operation mechanisms (referred to as buttons or levers used to operate engines, mowing devices, threshing devices, etc.) arranged around the driver's seat 82, and cabins. cab 8 covered with a cabin 84.

In addition, a dustproof net 9 is installed at the inlet to prevent foreign substances such as gum fire or dust from entering the blower, and the dustproof net 9 is blocked from being blocked by black fire or dust. It further includes a dustproof net cleaning device for preventing and removing by blocking the foreign matter blocking.

Here, the intake port is provided in the body 1 to introduce the outside air required for the operation of the engine 3 into the engine 3 and is connected to the engine room by the intake passage.

The harvesting device (4) is installed to be located in front of the body (1), the separation mechanism (42) for arranging the tangled grains in a separate manner, the standing mechanism (44) for raising the falling grains, this separation The mechanism 42 and the standing mechanism 44 consist of the cutting tool 46 etc. which cut | disconnect the base of the grain which it separated and stood up.

The threshing apparatus 5 comprises a threshing drum 52, a mesh 54 and grain supply means.

The threshing drum 52 is rotatably installed in the threshing chamber 12 provided in the body 1, and many threshing teeth 52t are provided in the circumference | surroundings. In addition, although not shown in detail, the threshing drum 52 is rotated by receiving power from the engine 3 by the power transmission device.

The net 54 is installed directly below the threshing drum 52, and has a form of wrapping the lower portion of the threshing drum 52 at regular intervals. Generally, it is formed in a semicircular shape.

The grain feed means comprises a feed chain. The feed chain receives grain from the harvesting device 4 and supplies it to the threshing chamber 12, which is passed between the threshing drum 52 and the mesh 54 along the longitudinal direction of the threshing drum 52. do.

According to the threshing apparatus 5 as described above, the grains supplied by the grain supply means are threshed by the threshing teeth 52t of the threshing drum 52 as the threshing drum 52 rotates at high speed, The grain obtained in this way passes through the mesh 54 and falls together with foreign matter such as grain debris, rubble, and soil generated during the threshing process. On the other hand, the straw remaining after threshing is carried out and discharged out of the threshing chamber 12.

The sorting device receives grains (including foreign matter such as grain debris, rubble and soil) falling through the mesh 54 of the threshing device 5 and removes only the foreign matters from among them. At least one of the mechanism and the wind sorting mechanism 56 is included.

Here, the swinging sorting mechanism is configured to screen out the foreign matter by using a shaking method, and the wind sorting mechanism 56 generates wind to blow out the foreign matter.

Meanwhile, in the above description, the threshing unit is divided into threshing apparatus 5 and the sorting portion is described as a sorting apparatus.

The grain tank 6 is supplied with the grains sorted from the sorting device by the grain conveying means 70 including a screw conveyer. The grain tank 6 includes, as its components, a tank body 62 formed in a substantially box shape and a cushioning means.

The tank body 62 is disposed to be parallel to the threshing apparatus 5 at the rear part of the body 1, and is positioned to be relatively on the left side, and is installed to allow rotation in the left and right directions about the rear part at this position. When repairing or inspecting, the body (1) can be folded and removed.

In addition, the tank main body 62 has an inlet 6a through which the grain is introduced, and the inlet 6a of the tank main body 62 is relatively to a portion facing the body 1 when the tank main body 62 is folded. It is arranged to be biased upwards. In addition, the end of the screw conveyor is connected to the inlet 6a so as to be detachable.

The shock absorbing means is a screw conveyor of the grain conveying means (70) that the grain is introduced into the tank main body 62 by the force (carrying force) to carry the grain to the tank main body 62 hits the inner surface of the tank main body 62 is damaged Serves to prevent this from happening.

Such a cushioning means includes a cushioning sheet 64 made of rubber, which is a portion of the inner surface of the tank body 62 facing the inlet 6a (that is, the wall opposite the inlet). And the periphery of this part. At this time, the part facing the inlet 6a and its periphery mean an area where the injected grains collide.

For reference, the cushioning sheet 64 may be a polyurethane foam sheet, not a rubber sheet. Of course, not only this but also any other sheet of elastic material can be applied.

Alternatively, the cushion sheet 64 may be a type filled with air, cotton, or the like, or a combination of this type and a sheet of elastic material may be applied.

In addition, the shock absorbing sheet 64 may have wrinkles, embossing, or the like as a structure for preventing shock from being more effectively absorbed or bounced off after the first collision, and subsequently hitting another part. The tank body 62 It is not limited to only a part of the inner surface of the) but may be coated on the front surface.

The shock absorbing sheet 64 as described above reduces the impact that the grain will receive as it strikes the inner surface of the tank body 62, preventing cracks from occurring due to cracks in the interior of the grain. Give it.

If the grain is damaged, the damaged grain will lose its value as a commodity. In other words, in the case of rice is treated as incomplete rice (米 全 米), such as East Khalumi (胴 割 米), the occurrence of such incomplete rice also means a decrease in yield by the amount generated.

5 is a cross-sectional view taken along line B-B in FIG.

In Fig. 5, reference numerals 15, 16 and 17 are the engine compartment, the intake opening and the intake passage mentioned above, respectively, of which the engine compartment 15 is located below the cab 8 which is arranged in front of the body 1. It is provided in the body 1, the inlet 16 is disposed on the front left of the body (1).

In addition, reference numeral 210 is a suction mechanism including a suction duct 214, 230 is a duct drive means, 240 is a duct guard, the suction duct 214 is a constant movement in the state close to the outside of the dustproof network (9) While sweeping the dustproof network 9, the duct drive means 230 provides the power necessary to move the suction duct 214, and in the case of the duct guard 240 to protect the suction duct 214 from the outside. Play a role.

The suction mechanism 210, the duct drive means 230 and the duct guard 240 is a component that is included in the dustproof net cleaning device, the dustproof net cleaning device is a suction force generating means for providing a suction force to the suction mechanism 210. It is configured to include more.

The suction mechanism 210 includes a shaft 212 which serves as a rotation axis and the aforementioned suction duct 214.

The shaft 212 penetrates the center portion of the dustproof network 9 and is supported by a bracket B-1 provided in the blowing passage 17 so as to be rotatable in this state. In addition, the shaft 212 is formed so that both ends have a hollow structure, and the inside thereof is a passage, and a flange is provided at a portion located at the outer side of the dustproof network 9 of both ends.

The suction duct 214 consists of a horizontal duct parallel to the dustproof network 9, and a vertical duct connected substantially perpendicularly to one end of the horizontal duct, whereby it is formed in an L shape when viewed as a whole. The horizontal duct is provided with a suction port 214i at a portion facing the dustproof network 9. The vertical ducts are flanged at their ends and fastened to each other with the flanges and bolts of the shaft 212.

When the suction mechanism 210 rotates the shaft 212, the suction duct 214 is rotated in the same direction and speed as the shaft 212, so that the suction duct 214 rotates while the dustproof network ( 9) Skimmed.

For reference, the horizontal duct has a length that does not deviate from the dustproof network 9 during rotation. Of course, for this purpose, the dustproof network 9 may be formed in a circular shape.

And in the case of a vertical duct has a length that the horizontal duct can be in close proximity to the dustproof net (9).

The suction force generating means comprises a cooling fan 32 of the engine 3 which sucks the outside air through the inlet 16, which is wrapped by a shroud 34. The shroud 34 is installed at the outlet 18 located between the engine room 15 and the blow passage 17 and surrounds the cooling fan 32 in this state.

According to this, the cooling fan 32 is connected to the passage inside the shaft 212 via the shroud 34 and the blowing passage 17, so that the suction force passes through the passage inside the shaft 212 and the suction duct. Up to 214.

On the other hand, the suction force generating means is not a configuration using the cooling fan 32 of the engine 3 as described above, may be provided separately, for example, may include an impeller assembly (impeller assembly). In this case, the suction force generating means may be installed directly on the suction mechanism 210 or connected to the suction mechanism 210 by a tube to provide the suction force.

The duct drive means 230 includes a motor 232 and a power transmission device for transmitting the rotational force of the motor 232 to the shaft 212 to rotate the shaft 212 in one direction. The power transmission device here includes a drive gear 234 mounted to the motor shaft of the motor 232 and a driven gear 236 mounted to the shaft 212 to engage the drive gear 234.

For reference, the motor 232 of the duct driving means 230 is applied to the forward / reverse rotation motor that can change the direction instead of one direction, so that the suction duct 214 rotates within a certain angle (that is, reciprocating angle movement) You can also do

Further, the power transmission device of the duct drive means 230 is a winding transmission such as a belt transmission including a pulley and a belt or a chain transmission including a sprocket wheel and a chain instead of the aforementioned gear transmission. May be applied.

The duct guard 240 is erected along the circumference of the dustproof network 9 so as to be located outside the dustproof network 9, and as a protective wall surrounding the dustproof network 9 (ie, the inlet), the dustproof network 9 is operated while driving the combine. The suction duct 214 protruding from the b) is prevented from colliding with various external elements.

Although not shown in the drawings, the duct guard 240 may be configured to have a structure that surrounds only part of the circumference of the dustproof network 9.

Looking at the operation of the dustproof net cleaning device as described as follows.

When the combine is started and the engine 3 is driven, the cooling fan 32 of the engine 3 rotates, and outside air flows into the inlet 16 by the action of the cooling fan 32, and the engine 3 Is supplied. At this time, the foreign matter in the vicinity of the inlet 16 is swept into the outside air to be introduced into the inlet 16, the inlet is prevented by the anti-vibration network (9) and starts to be adsorbed to the anti-vibration network (9).

In this state, when the motor 232 of the duct driving means 230 is operated, the rotational force of the motor 232 is transmitted to the shaft 212 by the driving and driven gears 234 and 236, and thus the shaft As the 212 rotates, the suction duct 214 rotates.

Then, the inlet of the suction duct 214 rotates by maintaining the negative pressure while the foreign matter adsorbed to the dustproof network 9 is lower than the dustproof network 9 side due to the difference in the wind speed of the incoming air. Sucked into 214i, it is then passed through the inner passage of the shaft 212, the blowing passage 17 in sequence to the shroud 34 side.

According to such a dustproof cleaning device, the amount of fresh air is always maintained at a constant level.

Next, a second embodiment that is configured similarly to the combine tank for combine according to the first embodiment of the present invention will be described. In this case, the second embodiment will be described with reference to other parts as compared with the first embodiment, and the drawings will also show only the corresponding parts.

FIG. 6 is a cross-sectional view showing a part of a combine tank for combine according to a second embodiment of the present invention. As shown in FIG. 6, the second embodiment is compared with the grain tank 6 of the first embodiment. In other respects, the same configuration is different from the coating portion of the buffer sheet 64-1, the point at which the buffer membrane 66 is added, and the like.

The buffer sheet 64-1 is coated over the entire inner surface of the tank body 62.

The buffer membrane 66 is disposed inside the tank body 62 so as to face the inlet 6a of the tank body 62, and the upper end thereof is suspended from the ceiling side of the tank body 62. It is connected to the ceiling of the main body 62 and shaken when subjected to an external force.

Such a buffer membrane 66 is configured to have a flexible or flexible material, at least a portion is configured to have a net structure. Of course, the mesh structure may be omitted.

According to the second embodiment as described above, the grains introduced into the tank body 62 are first hit by the buffer membrane 66, and then some are dropped as they are and some are passed through holes provided by the net structure. It bounces off and hits the buffer seat 64-1 secondly, so that it is less damaged by the second shock absorbing action.

The present invention has been described above, but the present invention is not limited to the embodiments disclosed in the specification and the accompanying drawings, and may be variously modified by those skilled in the art within the scope of the technical idea of the present invention.

1 is a left side view showing a combine to which a grain tank according to a first embodiment of the present invention is applied.

2 is a block diagram showing a threshing apparatus and a sorting apparatus provided in the combine of FIG.

3 is a perspective view showing the grain tank and its related parts shown in FIG.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view taken along the line B-B in FIG.

6 is a cross-sectional view showing a part of a grain tank for combine according to a second embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

6: grain tank

6a: inlet

62: tank body

64, 64-1: cushioning seat

66: buffer membrane

Claims (7)

A tank body having an inlet and storing a grain therein; A grain tank for combines, comprising buffer means for preventing the grains introduced into the inlet from colliding with the inner surface of the tank body. The method according to claim 1, wherein the buffer means, A grain tank for combines comprising a cushioning sheet coated on an inner surface of the tank body. The method according to claim 2, wherein the buffer sheet, A grain tank for combines coated around and around the inlet. The method according to claim 2, wherein the buffer means, A grain tank for combines further comprising a buffer membrane disposed in the tank body so as to face the inlet. The method according to claim 4, wherein the buffer membrane, A grain tank for combines mounted so as to be suspended within the tank body. The method according to claim 4 or 5, wherein the buffer membrane, Grain tanks for combines configured to have a net structure. The method according to claim 1, wherein the buffer means, A grain tank for combines comprising a buffer membrane disposed in the tank body so as to correspond to the inlet.

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