JP2002186344A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combine harvester, with which the workability of grain discharge can be improved without causing clogging with grains in a discharge auxiliary column in a combine harvester with which the discharge auxiliary column is installed at the tip of an discharging auger and an outlet opening can be positioned in an arbitrary direction. SOLUTION: A spiral transportation shaft 15' linked and connected to a discharge auger 13 is installed in the discharge auxiliary column 15 and grain is transported and discharged by the spiral transportation shaft 15'.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine, and more particularly, to a discharge auxiliary cylinder capable of arbitrarily setting a discharge direction of grains at a tip end of a discharge auger for discharging grains stored in a Glen tank. It relates to a combine provided with.

[0002]

2. Description of the Related Art Conventionally, in a combine, culms are cut off and threshing is performed to select only grains, and the selected grains are stored in a Glen tank.

[0003] When the Glen tank is full, or as necessary, the stored grains can be discharged by a discharge auger connected to the Glen tank in order to discharge the stored grains from the tank. I have.

[0004] In particular, at the tip of the discharge auger, there is provided a discharge auxiliary cylinder capable of arbitrarily setting the discharge direction of the grain, and a plurality of discharge blades are provided inside the discharge auxiliary cylinder to discharge the grain. The grains transported by the auger to the base end of the discharge auxiliary cylinder are forcibly ejected by the ejection blades.

[0005]

However, in the case of a discharge auxiliary cylinder that discharges grains by the discharge blade, if the discharge direction of the discharge auxiliary cylinder is close to the horizontal direction, the discharge is performed by the discharge blade. There is a problem in that the kernels cannot reach the discharge port of the auxiliary discharge cylinder, accumulate in the auxiliary discharge cylinder, and the auxiliary discharge cylinder is clogged and blocked.

Therefore, it is necessary to provide a clogging sensor for detecting the occurrence of clogging of the grain in the discharge auxiliary cylinder. Further, when the clogging sensor detects clogging of the grain, the clogging of the grain is required. It was necessary to temporarily stop the conveyance and perform a grain removal operation to remove clogging caused by grains.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a discharge auger having a grain discharge direction that can be freely changed at a tip end of a discharge auger for carrying out grains stored in a Glen tank. In the combine provided with the cylinder, a spiral transport shaft linked to the discharge auger is disposed in the discharge auxiliary cylinder, and the kernel is transported and discharged by the spiral transport shaft.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, a spiral transport shaft interlockingly connected to a discharge auger is disposed in a discharge auxiliary cylinder provided at the tip of a discharge auger of a combine, and the spiral transport shaft is driven. Thereby, the grains are transported and discharged in the discharge auxiliary cylinder.

Therefore, there is no possibility that the grain is clogged in the middle of the discharge auxiliary cylinder, the discharge can be reliably performed, and the work stoppage of the discharge operation is prevented from occurring on the way, thereby improving the work efficiency. And the cost can be reduced by eliminating the need for a clog sensor. In addition, it is possible to suppress the generation of dust generated when the ejection blade is used, and to prevent the working environment from being deteriorated due to the dust.

The discharge auxiliary cylinder has its base end rotatably connected to the distal end of the discharge auger so as to be substantially parallel to the discharge auger. A discharge port provided in the discharge auxiliary cylinder so that the base end of the discharge auxiliary cylinder is disposed at one of the side edges in the horizontal direction so that the discharge auxiliary cylinder can be rotated in a vertical plane. Can be positioned in any direction.

In this case, the grains are arranged by the spiral conveying shaft provided in the discharge auxiliary cylinder, so that the discharge port of the discharge auxiliary cylinder is directed upward from the horizontal direction. Thus, the grains can be reliably discharged, and it is possible to cope with various work forms.

It is to be noted that, when the auxiliary discharge tube disposed at the side edge portion of the distal end portion of the discharge auger is disposed at the side edge portion of the discharge auger on the driver's seat side, visibility from the driver's seat can be improved. It is desirable because it can.

Alternatively, the discharge auxiliary cylinder has a base end disposed at a lower edge portion of the distal end of the discharge auger so that the discharge auxiliary cylinder can be rotated in a substantially horizontal plane. The discharge port provided in the auxiliary cylinder may be turned. By doing so, the position of the discharge port can be made farther, and the distance between the combine and the grain discharge destination can be easily adjusted by rotating the discharge auxiliary cylinder. Therefore, workability can be improved.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

[0015]

1 is an overall explanatory view of a combine provided with a discharge auxiliary cylinder as a main part of the present invention, as viewed from the side, and FIG. 2 is a cross-sectional explanatory view of the discharge auxiliary cylinder in a plan view.

As shown in FIG. 1, a combine A is provided with a pair of left and right crawler-type traveling devices 2, 2 on a body frame 1, and a reaper 3 is provided on the front end side of the body frame 1 so as to be able to move up and down. are doing.

The reaper 3 has a weeding board 4 protruding from the front end and a case 5 standing upright at the rear.
Grass culm is weeded by weeding board 4, raised to rotate the tine protruding from case 5, causing the culm to be cut, and the cutting blade 6 arranged at the rear of weeding board 4 to cut the root of the culm, and the upper conveying device ,
The transfer unit 7 including a lower transfer device, a vertical transfer device, and the like enables the transfer to the rear side.

Then, from the upper end of the vertical conveying device, the stock is inherited by a feed chain (not shown), and the seeds are threshed by a handling drum (not shown) while conveying the grain stalk backward in the threshing unit 9. I have to. At the rear end of the feed chain, a straw conveying device (not shown) is provided, and a straw cutter device (not shown) provided below the rear portion of the straw conveying device, The transported straw is cut and can be released to the field.

At the side of the threshing unit 9, a grain tank 10 for storing the threshed / sorted grains is disposed. After threshing in the threshing unit 9, only the fine grains are sorted and conveyed. (Not shown) and stored in the Glen tank 10.

A discharge conveyor 11 is provided in the lower part of the Glen tank 10 in the front-rear direction. The lower end of the vertical conveyor 12 is connected to the rear end of the discharge conveyor 11 so as to communicate with the lower end. Is connected to the rotating base 14 of the discharge auger 13.

In the middle part of the vertical conveyor 12, the case is configured to be rotatable coaxially, and the upper part of the vertical conveyor 12 is communicated with the rotation base 14 of the discharge auger 13, It can be turned up and down.

The discharge conveyor 11 and the vertical conveyor 12
Is a screw conveyor in which screw-shaped spiral transport shafts are arranged.The ends of each spiral transport shaft are linked and connected via gears and bevel gears, etc., and discharge the power transmitted from the engine. In addition to transmitting to the discharge auger 13 via the conveyor 11 and the vertical conveyor 12, the grains stored in the Glen tank 10 are discharged from the discharge auger 13.
It is transported to 13.

Further, a screw-shaped helical transport shaft is internally provided on the side of the front end of the discharge auger 13 as described later.
The base end of the rear end of the discharge auxiliary cylinder 15 provided with 15 '(see FIG. 2) is rotatably connected to the base end thereof, and has a spiral conveying shaft.
The grains conveyed through the discharge auger 13 and into the auxiliary discharge tube 15 are conveyed by the helical conveyance shaft 15 'by being linked with the rotation shaft 13' of the discharge auger 13 (see FIG. 2). Then, it is discharged from a discharge port 16 provided at the front end of the discharge auxiliary cylinder 15.

In FIG. 1, reference numeral 17 denotes a cabin-type operation unit provided in front of the Glen tank 10. The operation unit 17 includes a driver seat, a steering wheel, a display panel, and the like. A side column is disposed on the side of the vehicle, and a main transmission lever, a work lever, and the like are disposed on the upper surface of the side column.

Hereinafter, the auxiliary discharge tube 15 as a main part of the present invention will be described in more detail with reference to FIG.
FIG. 2 is a cross-sectional plan view showing a state in which the discharge auxiliary cylinder 15 is stored substantially parallel to the discharge auger 13 when the discharge auger 13 does not discharge the grain.

As shown in FIG. 2, the discharge auxiliary cylinder 15 is connected to the discharge auger 13 through a connecting portion 18 provided at the tip of the discharge auger 13.
It is connected to and connected to. In particular, a screw-shaped connecting spiral conveying shaft 18 'supported by a plurality of bearings b1 is provided in the connecting portion 18, and the grains conveyed in the discharge auger 13 are separated by the same. The feeding is performed to the auxiliary discharge tube 15 by the connecting spiral transfer shaft 18 '. That is, the connecting portion 18 is a relay auger.

Grains sent from the discharge auger 13 to the discharge auxiliary cylinder 15 via the connecting portion 18 are fed into the screw auxiliary helical transfer shaft 15 supported in the discharge auxiliary cylinder 15 via a bearing b2. 'Conveys to the discharge port 16 provided at the front end of the discharge auxiliary cylinder 15, and is discharged.

In particular, the connecting spiral conveying shaft 18 'of the connecting portion 18
Is provided with a bevel gear 20 which is screwed with a bevel gear 19 disposed at the tip of the rotating shaft 13 'of the discharge auger 13.
The connecting spiral transport shaft 18 'is rotated in conjunction with the driving of the connecting spiral transport shaft 18'.
A bevel gear 21 is also provided at the tip of the discharge auxiliary cylinder 15 on the 8 ′ side, and a bevel gear 22 that is screwed with the bevel gear 21 is provided on the helical transport shaft 15 ′ of the auxiliary discharge cylinder 15, thereby connecting the spiral transport shaft for connection. The spiral conveying shaft 15 'of the discharge auxiliary cylinder 15 can be driven to rotate in conjunction with 18'.

That is, the helical transfer shaft 15 'of the discharge auxiliary cylinder 15 is linked to the discharge auger 13 via the connecting helical transfer shaft 18', and the power of the discharge auxiliary cylinder 15 is changed by the power transmitted from the engine. The spiral transport shaft 15 'can be driven. Therefore, the spiral transport shaft 15 'of the discharge auxiliary cylinder 15 can be driven without providing a drive source separately.

In order to dispose the discharge auxiliary cylinder 15 rotatably with respect to the discharge auger 13, the base end portion of the discharge auxiliary cylinder 15 to which the connecting part 18 is connected has a distal end edge of the connecting part 18. A cylindrical connecting portion distal edge fitting portion 23 to which 18a is rotatably fitted is provided, and a ring gear 24 is disposed on an end surface 23a of the connecting portion distal edge fitting portion 23. .

The ring gear 24 is formed in an arc shape by bringing both ends of two substantially semi-circular ring gears into contact with each other, and further connects the inner surfaces of the respective semi-circular ring gears. By fitting the semi-circular ring gears to the end surface 23a of the connecting portion leading edge fitting portion 23 to form a ring gear 24 by fitting into the fitting groove 18b provided in the portion 18, the discharge auxiliary cylinder 15 is The connecting portion 18 can be rotatably connected.

Further, the ring gear 24 meshes with a drive gear 26 interlockingly connected to an output shaft of a discharge auxiliary cylinder rotating motor 25 disposed on the outer surface of the connection portion 18 on the discharge auger 13 side. An operation of the operation unit 27 disposed on the side surface of the connection unit 18 or a motor for rotating the discharge auxiliary cylinder by the operation of the operation unit 17.
25 is driven so that the discharge auger 13 can be rotated so that the discharge port 16 is directed in a required direction. Reference numeral 28 denotes an operation knob. Reference numeral 29 denotes a ring gear cover, and reference numeral 30 denotes a motor cover for rotating the auxiliary discharge cylinder.

When the grains in the Glen tank 10 are discharged by the discharge auger 13 having the discharge auxiliary cylinder 15 configured as described above, the discharge auger 13 is first rotated up, down, left and right as necessary. Then, the discharge auxiliary cylinder 15 is rotated by the discharge auxiliary cylinder rotation motor 25 so that the discharge port 16 is directed in the required direction, and the discharge conveyor 11 and the vertical conveyor are driven by the power of the combine A engine. The grain is transported to the discharge auger 13 through 12, and the grain transported to the tip portion of the discharge auger 13 is further discharged by the connecting spiral transport shaft 18 'of the connecting portion 18 to the discharge auxiliary cylinder 15 side. The grains are fed into the discharge auxiliary cylinder 15 from the discharge auxiliary cylinder inlet 31 provided on the side of the discharge auxiliary cylinder 15, and the fed grains are fed to the discharge port 16 by the spiral conveying shaft 15 '. They are transported and discharged.

In this embodiment, the connecting spiral conveying shaft 18 'of the connecting portion 18 is disposed substantially horizontally, and the discharge auxiliary cylinder 15 is disposed on the side of the discharge auger 13 on the side of the operating portion 17 side. Accordingly, the rotation state of the discharge auxiliary cylinder 15 can be confirmed even from the operating unit 17, and the workability can be improved.

As another embodiment, as shown in FIGS. 3 and 4, the connecting helical conveying shaft 18 'of the connecting portion 18 is disposed not vertically but vertically downward, so that the discharging is performed. The auxiliary cylinder 15 may be rotated in a substantially horizontal plane. In the present embodiment, the outlet 16 is provided facing downward.

As shown in FIG. 3, by rotating the discharge auxiliary cylinder 15 in a substantially horizontal plane, the discharge port 16 can be turned, and the position of the discharge port 16 can be further extended. In addition, since the distance between the combine A and the grain discharge destination can be easily adjusted by rotating the discharge auxiliary cylinder 15, the workability can be improved.

As shown in the overall explanatory view of the combine A in side view in FIG. 3 and the sectional explanatory view in side view of the discharge auxiliary cylinder 15 in FIG. Since the basic configuration other than the direction of the discharge port 16 is the same as the configuration described based on FIGS. 1 and 2, the same components are denoted by the same reference numerals, and redundant description will be omitted. FIG.
FIG. 7 is a side cross-sectional view of a state in which the discharge auxiliary cylinder 15 is rotated by about 180 degrees from the storage position (the position immediately below the discharge auger 13) so that the discharge port can be set at the farthest position.

The connecting portion 18 is arranged substantially in relation to the discharge auger 13 instead of the two types, that is, the case where the connecting spiral conveying shaft 18 ′ is arranged in a substantially horizontal direction and the case where the connecting spiral conveying shaft 18 ′ is arranged in a substantially vertical direction. 90
The connection spiral conveying shaft 18 'may be appropriately switched between a state in a substantially horizontal direction and a state in a substantially vertical direction. Thereby, the discharge port 16 can be oriented in any direction, and workability can be improved.

In this case, the discharge port 16 for the discharge auxiliary cylinder 15
Outlet 16 so that the orientation of the
The portion may be formed in a bellows shape, or various attachments for the outlet may be made detachable.

Further, as another embodiment, as shown in FIG. 5, the first discharge auxiliary cylinder 32 is connected to the distal end of the first discharge auxiliary cylinder 32 which is connected to the discharge auger 13 via the connecting portion 18. Is regarded as a connecting portion, and the second auxiliary discharge cylinder 33 is further communicatively connected to the first auxiliary discharge cylinder 33.
Is connected to the connecting spiral conveying shaft 18 'of the connecting portion 18 via an appropriate bevel gear or the like, and the second spiral conveying shaft 33' provided in the second discharge auxiliary cylinder 33 is connected to an appropriate bevel gear or the like. The grain may be discharged from a discharge port 34 provided at the distal end of the second discharge auxiliary cylinder 33 by interlocking connection with the first helical transport shaft 32 ′ through the intermediary.

In particular, although not shown, a turning means similar to the turning means described with reference to FIG. 2 is provided at the tip of the first discharge auxiliary cylinder 32, and the second discharge auxiliary cylinder 33 is connected to the first discharge auxiliary cylinder 33. By being rotatable with respect to the auxiliary cylinder 32, the discharge port 34 can be oriented in any direction, and the discharge port 34 can be reached farther, thereby improving workability. be able to.

[0042]

According to the present invention, there is provided a combine having a discharge auger capable of changing a grain discharge direction at a tip end of a discharge auger for carrying out grains stored in a Glen tank. In addition, by disposing a spiral transport shaft linked to the discharge auger, and transporting and discharging the grains by the spiral transport shaft, there is no possibility of grain clogging in the middle part of the discharge auxiliary cylinder, The discharge can be performed reliably, the work stoppage of the discharge operation can be prevented from occurring on the way, the work efficiency can be improved, and the cost can be reduced by eliminating the need for a clog sensor. In addition, it is possible to suppress the generation of dust generated when the ejection blade is used, and it is possible to prevent the work environment from being deteriorated by the dust.

[Brief description of the drawings]

FIG. 1 is an overall explanatory view of a combine according to the present invention in a side view.

FIG. 2 is a cross-sectional view of a discharge auxiliary cylinder, which is a main part of the present invention, as viewed in plan.

FIG. 3 is an overall explanatory view of a combine according to another embodiment as viewed from the side.

FIG. 4 is a cross-sectional view of a discharge auxiliary cylinder according to another embodiment as viewed from a side.

FIG. 5 is a schematic explanatory view of another embodiment.

[Explanation of symbols]

 13 Discharge auger 13 'Rotating shaft 15 Discharge auxiliary cylinder 15' Spiral transport shaft 16 Discharge port 18 Connecting part 18 'Spiral transport shaft for connection 23 Connection part front edge fitting part 24 Ring gear 18b Fitting groove 25 Discharge assistance Cylinder rotation motor 26 Drive gear 27 Operation unit 28 Operation knob

Claims (1)

[Claims] 1. A combine (A) having a discharge auxiliary cylinder (15) provided at a tip end of a discharge auger (13) for carrying out a grain stored in a Glen tank (10) and capable of changing a grain discharge direction. In the discharge auxiliary cylinder (15), a spiral transport shaft (15 ') interlockingly connected to the discharge auger (13) is provided, and the spiral transport shaft (1
A combine, characterized in that the grains are transported and discharged according to 5 ').