JP2900008B2 - Combine grain tank equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine for opening a grain tank to the left and right outside, and to surely transmit power via a coupling member to a discharge auger of the grain tank when the combine is stored in the machine. And a grain tank device.

[0002]

2. Description of the Related Art In an open-type grain tank device of this kind, a discharge auger of a grain tank is provided with a coupling member comprising a main rotating body having an engaging roller and a sub-rotating body having an engaging projection. There is a means that is linked to a drive unit on the machine side via an intermediary so that the connection between these drive units is performed with one touch.

[0003]

However, in this case, however,
Correct alignment of the auger on the tank side with respect to the drive unit on the fuselage side is not performed accurately, and vibration or noise is generated or uneven power transmission is performed. There was a disadvantage that it was not done.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a grain tank in which the front and rear ends of the grain tank are rotatably supported by a machine frame via a pivot shaft, and the grain is provided at the bottom of the grain tank. In a combine in which the auger shaft of the discharge auger is detachably connected to the drive shaft on the machine side via a coupling member, when the grain tank is stored inside the machine, the vertical and horizontal positions of the coupling member By providing a position regulating body for regulating between the grain tank and the body frame, in such a tank-open type combine, when the grain tank is stored inside the machine, the body is controlled with respect to the drive shaft on the machine body side. It is intended to improve the connection accuracy between these shafts by enabling connection by a coupling member in which the axis of the discharge auger shaft of the grain tank is always aligned.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory front view of a main part, FIG. 2 is a side view of the whole,
FIG. 3 is a plan view of the same, in which (1) is a track frame on which the traveling crawler (2) is mounted, (3) is a machine frame which is a body frame mounted on the track frame (1), (4) ) Is a threshing unit in which a feed chain (5) is stretched to the left and a handling cylinder (6) and a processing cylinder (7) are built in, (8)
Is a cutting section provided with a cutting blade (9) and a grain culm transport mechanism (10), (11) is a straw processing section facing the end of a straw chain (12), (13) is a driver's seat (14) and operation. A driver's cab provided with an operation unit (15), an engine (16) disposed substantially below the driver's seat (14), and (17) a kernel from the threshing unit (4) to a fryer (18) A grain tank (19) is a grain discharge conveyor for taking out grains in the grain tank (17) to the outside, and is configured to continuously perform cutting and threshing operations.

As shown also in FIGS. 4 and 5, a vertical feed conveyor (20) is erected and fixed to the rear side of the grain tank (17), and the conveyor (20) is fixed to the tank (17). A conveyor lower case (20a), a conveyor middle case (20b) fixedly mounted on the machine body side and rotatably connected to the lower case (20a), and a rotatable communication with the middle case (20b). Upper conveyor case to be connected (20c)
A fulcrum shaft (21) projecting below the lower case (20a) is rotatably supported by the machine base (3) via bearing members (22) and (23), and a tank (17).
The vertically rotating members (24) and (25) fixed to the rear side are rotatably supported on the outside of the middle case (20b) so as to be centered on the middle case (20b) and the fulcrum shaft (21). The tank (17) is configured to be horizontally rotated outward from the body to be in an open state.

Further, a swing fulcrum case (26) is integrally connected to the upper case (20c), and the discharge conveyor (19) is connected to the fulcrum case (26), so that a worm wheel (27) and a hydraulic cylinder (28) is attached to the swing fulcrum case (26), and the swing fulcrum case (26) is driven to rotate in the horizontal direction via the worm wheel (27) to change the direction of the discharge conveyor (19). The discharge conveyor (19) is swung up and down by the hydraulic cylinder (28) to move up and down the front end.

Furthermore, a horizontal auger (29) at the bottom of the grain tank (17), a vertical auger (30) of the vertical conveyor (20), and a discharge auger (31) of the discharge conveyor (19). Connected to each other, grain tank (17)
The inside grain is carried out by each auger (29) (30) (31), and the grain is discharged from the tip of the discharge conveyor (19) to a truck bed or the like.

Further, the tank (17) is provided on the tank front surface (17a) side which is opposite to the fulcrum shaft side of the grain tank (17).
A substantially rectangular plate-shaped tank front side support (32a) (32b) for holding the front surface (17a) on the machine base (3) when storing
And the upper hook (3)
3) A lock mechanism (35) is provided which is provided by a lock pin (34) serving as a lower position regulating body, and the hook (33) is provided.
Is unlocked by a hook operation lever (36) that faces the lower position of the tank (17).

As shown in FIGS. 7 and 8, the end of the lateral feed auger (29) on the front outside of the grain tank (17) is connected to the drive shaft (38) on the machine body via a coupling member (37).
A gear box (40) for driving a tank is fixedly mounted on a machine stand (3) behind the engine (14) via a box stand (39), and an input shaft ( An input pulley (42) fixed to the drive shaft (41) is linked to the engine (14) via a belt (43), and a pair of bevel gears (4) is connected to the drive shaft (38).
4) The input shaft (41) is interlocked and connected via (45) to output the output from the engine (14) to the input shaft (41).
Each auger (29) in the grain tank (17)
(30) It is configured to drive (31).

The coupling member (37) comprises a substantially rectangular sub-rotator (46) fixed to the front end of the auger shaft (29a) of the transverse feed auger (29), and a rear outer side of the gear box (40). And a substantially diamond-shaped main rotating body (47) fixed to the end of the drive shaft (38) protruding from the auger shaft. The auger shaft (29a) and the drive shaft (38) are positioned on the same axis. The front and rear surfaces (46a) and (47a) of the slave and main rotors (46) and (47) are opposed to each other, and the slave rotor (46)
Two substantially trapezoidal engaging projections (48) are projected at 180 ° intervals around the auger shaft (29a) on the front surface (46a) at intervals of 180 degrees, and the main rotating body (4) is formed.
7) The roller shaft (49) is located at a constant radius (r) on the rear surface (47a) at an interval of 180 degrees around the drive shaft (38).
The two engaging rollers (50) are rotatably pivoted via the drive shaft (38), and when the drive shaft (38) is driven to rotate, the engaging protrusions (4) are rotated.
The roller (50) is brought into contact with the bottom (48a) of the trapezoid of (8) to drive the auger shaft (29a) integrally.

The lock pin (34) is provided at the rear end of a rectangular cylinder (51), which is a position regulating body fixed to the right side of the box base (39), and at the front of the tank (17).
The cylindrical body (51) and the restricting plate (53) are integrally connected by inserting and engaging with a restricting plate (53) which is a position restricting body fixed to the lower right side of the a) via a bolt (52). As shown in FIG. 1, an engagement member (5) of the regulating plate (53) is provided.
4) is formed in a U-shape having an opening on the left side, that is, the right side when viewed from the front, and the upper and lower side plates (54) of this engagement body (54) when the tank is stored.
a) With the cylindrical body (51) facing between the (54b), the long hole (55) and the round hole (56) in the front-rear direction formed in the upper and lower side plates (54a) (54b) and the cylindrical body (51). Pin (3
4), the upper and lower side plates (54a) and (54b) of the regulating plate (53) regulate the vertical direction of the tank (17).
In addition, the regulation in the left and right direction is performed with the pin (34) for insertion,
The centering accuracy of the coupling member (37) is improved. The engagement body (54)
A pin guide plate (58) having a notch groove (57) is fixedly provided outside the right side plate (54c) of the above, and the upper end of the lock pin (34) to be inserted through the cylindrical body (51) and the engagement body (54) is bent. The handle portion (34a) is engaged with the groove (57) so that the handle portion (34a) is always exposed to the right outside, thereby facilitating the removal of the pin (34). I have.

On the other hand, as shown in FIG. 6, a relatively large cleaning lid (57) is provided on the inner surface (17b) on the threshing side of the grain tank (17).
0), the lid (57) is displaced to the other end from the lower end via a hinge (58), and the upper end is a knob bolt (5).
9) It can be freely opened and closed on the inner side surface (17b) via the inner surface (17b) to facilitate maintenance and inspection and cleaning of the tank (17) and change the mounting position of the paddy fullness sensor installed in the tank (17). It is configured as follows.

This embodiment is constructed as described above, and the coupling between the body side drive shaft (38) and the discharge auger shaft (29a) by the coupling member (37) when the tank (15) is stored. At this time, the lock pin (3
By locking the tubular body (51) and the engaging body (54) in 4), the vertical movement on the tank (17) side is reduced.
The vertical movement of the cylindrical body (51) by the upper and lower side plates (54a) and (54b) of the engaging body (54), and the horizontal movement of the tank side is controlled by the long holes of the engaging body (54) and the cylindrical body (51). (55) and the lock pin (3
4) The left and right restrictions prevent the tank (17) from absorbing variations in the manufacture of the tank (17), and the slot (55) absorbs the dispersion, thereby accurately aligning the drive shaft (38) and the auger shaft (29a). High-precision connection with matching is easily performed.

[0015]

As is clear from the above embodiments, the present invention is characterized in that the front and rear ends of the grain tank (17) are pivotally connected to the pivot shaft (2).
The auger shaft (29a) of the grain discharge auger (29) provided at the bottom of the grain tank (17) is rotatably supported by the machine frame (3) via 1), and is connected to a drive shaft on the machine side. When the grain tank (17) is stored inside the machine, the upper and lower positions and the left and right positions of the coupling member (37) in the combine which is detachably connected to the (38) via the coupling member (37). Since the position regulating bodies (34), (51) and (53) for regulating are interposed between the grain tank (17) and the body frame (3), the grain tank (17) in the open tank type combine is used. ), The coupling can be performed by a coupling member in which the axis of the discharge auger shaft (29a) of the grain tank (17) always coincides with the drive shaft (38) of the machine body. These axes (2 a) The coupling accuracy between (38) and (38) can be improved, and therefore, even in such an open tank type combine, a good operation can be performed without adversely affecting tank operation conditions such as tank drive efficiency. Has a remarkable effect.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a grain tank unit.

FIG. 2 is an overall side view of the combine.

FIG. 3 is an overall plan view of the combine.

FIG. 4 is an explanatory side view of a grain tank.

FIG. 5 is an explanatory front view of a grain tank.

FIG. 6 is a right side view of the grain tank.

FIG. 7 is an explanatory side view of the coupling member.

FIG. 8 is an explanatory plan view of a coupling member.

[Explanation of symbols]

 (3) Machine stand (body frame) (17) Grain tank (29) Discharge auger (29a) Auger shaft (34) Lock pin (position regulating body) (37) Coupling member (38) Drive shaft (51) Tube Body (position regulating body) (53) Regulation plate (position regulating body)

Claims (1)

(57) [Claims] 1. A front and rear end of a grain tank is rotatably supported by a machine frame via a pivot shaft, and an auger shaft of a grain discharge auger provided at the bottom of the grain tank is connected to the machine side. In the combine which is detachably connected to the drive shaft via a coupling member, when the grain tank is stored inside the machine, a position regulating body for regulating the vertical and horizontal positions of the coupling member is provided. A combine grain tank device interposed between a grain tank and a body frame.