JPH06125640A - Grain tank apparatus of combine - Google Patents

Abstract

PURPOSE:To provide a tank-driving system for a grain tank freely openable at the outside of a combine and improve the connection accuracy of the driving system through a coupling member in the housing of the grain tank into the machine body. CONSTITUTION:A longitudinal edge of a grain tank 17 is supported on a machine frame 3 in a state freely rotatable around a rotary supporting shaft and an auger shaft 29a of a grain-discharging auger 29 at the bottom of the grain tank 17 is detachably connected to the driving shaft of the machine body side through a coupling member. In a combine having the above construction, position restriction members 34, 51, 53 for restricting the vertical and lateral positions of the coupling member are placed between the grain tank 17 and the machine frame 3 in the housing of the grain tank 17 into the machine body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a combine harvester in which the grain tanks are opened to the outside on the left and right sides, so that power can be surely transmitted to the discharge auger of the grain tanks via the coupling member when the grain tanks are stored in the machine. The present invention relates to a grain tank device.

[0002]

2. Description of the Related Art In this type of open-type grain tank device, a discharge auger of the grain tank is provided with a coupling member consisting of a main rotating body having an engaging roller and a sub-rotating body having an engaging protrusion. There is a means for interlockingly connecting to the drive unit on the side of the machine via the interlocking mechanism so that the connection between these drive units can be performed with one touch.

[0003]

[Problems to be Solved by the Invention] However, in this case,
The discharge auger on the tank side is not correctly aligned with the drive unit on the machine side, vibration or noise is generated, or uneven power transmission is performed, so that proper power transmission via the coupling member is ensured. There was a drawback that it was not done.

[0004]

Therefore, according to the present invention, the front and rear ends of a grain tank are rotatably supported by a body frame via a rotation fulcrum shaft, and the grain is provided at the bottom of the grain tank. In a combine, wherein the auger shaft of the discharge auger is detachably connected to the drive shaft of the fuselage side through 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 machine frame, in such a tank open type combine, when the grain tank is stored inside the machine, the drive shaft on the machine side is (EN) A coupling member in which the axes of the discharge auger shafts of a grain tank are always aligned with each other is possible to improve the accuracy of connection between these shafts.

[0005]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1 is a front explanatory view of the 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 installed, (3) is a machine frame which is a machine frame installed on the track frame (1), and (4) ) Is a threshing part in which the feed chain (5) is stretched to the left side and the handling cylinder (6) and the processing cylinder (7) are built in, (8)
Is a mowing unit provided with a cutting blade (9) and a grain culm transport mechanism (10), (11) is an straw processing unit that faces the end of the straw chain (12), and (13) is a driver's seat (14) and driving. A driver's cab provided with an operating section (15), (16) an engine arranged substantially below the driver's seat (14), (17) a grain barrel from the threshing section (4), and a frying tube (18). The grain tank (19) to be put in through is a grain discharge conveyor for taking out the grains in the grain tank (17) to the outside, and is configured to continuously perform cutting and threshing work.

As shown in FIGS. 4 to 5, a vertical feed conveyor (20) is vertically installed and fixed to the rear side of the grain tank (17), and the conveyor (20) is fixedly installed in the tank (17). The lower case (20a) of the conveyor and the middle case (20b) of the conveyor fixedly connected to the lower body (20a) so as to be rotatably connected to the lower case (20a) and rotatably connected to the middle case (20b). Connected conveyor case (20c)
And a fulcrum shaft (21) protruding below the lower case (20a) is rotatably supported by the machine base (3) through bearing members (22) and (23), and the tank (17) is provided.
Vertically rotating members (24) (25) fixed to the rear side are rotatably supported outside the middle case (20b), and the middle case (20b) and the fulcrum shaft (21) are centered. The tank (17) is horizontally rotated to the outside of the machine to be opened.

Further, a swing fulcrum case (26) is integrally connected to the upper case (20c), the discharge conveyor (19) is connected to the fulcrum case (26), and a worm wheel (27) and a hydraulic cylinder are connected. (28) is attached to the swing fulcrum case (26), and the swing fulcrum case (26) is rotationally driven in the horizontal direction via the worm wheel (27) to change the direction of the discharge conveyor (19). The hydraulic cylinder (28) is configured to swing the discharge conveyor (19) in the vertical direction to raise and lower the tip side.

Furthermore, the horizontal feed auger (29) at the bottom of the grain tank (17), the vertical feed auger (30) of the vertical feed conveyor (20), and the discharge auger (31) of the discharge conveyor (19) are provided. Grain tanks (17) that are connected to each other
The internal grains are carried out by the augers (29), (30) and (31), and the grains are discharged from the tip of the discharge conveyor (19) to the bed of the truck or the like.

Further, on the tank front surface (17a) side which is the anti-fulcrum shaft side of the grain tank (17), the tank (17) is provided.
The tank front side support bodies (32a) (32b) having a substantially rectangular plate shape that hold the front surface (17a) on the machine base (3) when storing
And the position of the tank (17) is restricted by the upper hook (3
3) and a lock mechanism (35) provided by a lock pin (34) which is a lower position restricting body, and the hook (33) is provided.
The lock is unlocked by the hook operation lever (36) that is exposed to the lower position of the tank (17).

As shown in FIGS. 7 to 8, the end of the transverse feed auger (29) outside the front surface of the grain tank (17) is connected to the drive shaft (38) on the fuselage side through the coupling member (37).
A gear box (40) for driving a tank is fixedly installed on a machine base (3) at the rear of the engine (14) via a box base (39), and an input shaft ( An input pulley (42) fixed to the shaft (41) is interlocked with the engine (14) through a belt (43), and a pair of bevel gears (4) are attached to the drive shaft (38).
4) The input shaft (41) is interlockingly connected via (45) to output the output from the engine (14) to the input shaft (41).
Input to each auger (29) in the grain tank (17)
(30) and (31) are configured to be driven.

The coupling member (37) is a substantially rectangular sub-rotor (46) fixed to the front end of the auger shaft (29a) of the transverse feed auger (29), and the rear outside of the gear box (40). A main rotating body (47) having a substantially rhombus fixed to the end of the drive shaft (38) to be projected to the above. 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 sub and main rotating bodies (46) and (47) are opposed to each other, and the sub rotating body (46)
Two substantially trapezoidal engaging protrusions (48) are provided at a constant radius (r) at 180 degree intervals on the front surface (46a) about the auger shaft (29a), and the main rotating body (4)
7) The roller shaft (49) at the constant radius (r) position at 180 degree intervals around the drive shaft (38) on the rear surface (47a).
The two engaging rollers (50) are rotatably supported via the shafts, and when the drive shaft (38) is rotationally driven, the engaging protrusions (4)
The roller (50) is brought into contact with the base (48a) of the trapezoid of (8) to integrally drive the auger shaft (29a).

By the way, the lock pin (34) is provided on the right side surface of the box base (39) with the extending rear end portion of the rectangular cylindrical body (51) serving as a position regulating body and the tank front surface (17).
The cylindrical body (51) and the regulation plate (53) are integrally connected by inserting and engaging with a regulation plate (53) which is a position regulation body fixed to the lower right side of a) via a bolt (52). As shown in FIG. 1, the restricting plate (53) has an engaging body (5
4) is formed in a U shape with the left side, that is, the right side as viewed from the front, opened, and the upper and lower side plates (54) of the engagement body (54) are stored when the tank is stored.
The cylindrical body (51) is made to face between (a) and (54b), and the longitudinal holes (55) and the round hole (56) in the front-rear direction are opened in the upper and lower side plates (54a) (54b) and the cylindrical body (51). Pin (3
4) is inserted, and the vertical regulation on the tank (17) side is regulated by the upper and lower side plates (54a) (54b) of the regulation plate (53).
Also, do it with the pin (34) that inserts the restriction in the left and right
The coupling member (37) is configured to improve the centering accuracy. Further, the engaging body (54)
Bending of the upper end of the lock pin (34) into which the pin guide plate (58) having the notch groove (57) is fixedly provided on the outside of the right side plate (54c) of the lock pin (34) to be inserted into the cylindrical body (51) and the engaging body (54). The grip portion (34a) is engaged in the groove (57) so that the grip portion (34a) is always exposed to the right outside so that the pin (34) can be easily removed. There is.

On the other hand, as shown in FIG. 6, a relatively large cleaning lid (57) is provided on the inner surface (17b) of the grain tank (17) on the threshing side.
0), the lid (57) is offset from the other end side through the hinge (58) on the lower end side and the knob bolt (5) on the upper end side.
9) is attached to the inner side surface (17b) so as to be freely openable and closable, so that maintenance and inspection in the tank (17) and cleaning and change of the mounting position of the paddy quantity sensor installed in the tank (17) can be easily performed. Is configured as follows.

This embodiment is constructed as described above, and the coupling of the coupling member (37) between the fuselage side drive shaft (38) and the discharge auger shaft (29a) when the tank (15) is stored. When the lock pin (3
By locking the tubular body (51) and the engagement body (54) in 4), the vertical movement on the tank (17) side is
The upper and lower side plates (54a) and (54b) of the engaging body (54) regulate the vertical direction of the tubular body (51), and the movement in the left and right direction on the tank side causes the elongated holes of the engaging body (54) and the tubular body (51). Lock pin (3) through which (55) and round hole (56) are inserted
4) The left and right restrictions prevent the tanks (17) from being made uneven so that the long holes (55) can absorb the variations, and the drive shaft (38) and the auger shaft (29a) can be accurately aligned with each other. Highly accurate connection can be easily performed by matching them.

[0015]

As is apparent from the above embodiments, according to the present invention, the rotating fulcrum shaft (2
1) The auger shaft (29a) of the grain discharging auger (29) provided at the bottom of the grain tank (17) is rotatably supported by the fuselage frame (3), and the auger shaft (29a) is attached to the fuselage side drive shaft. (38) A combine harvester that is detachably connected to a coupling member (37) via a coupling member (37). When the grain tank (17) is housed inside the machine, the coupling member (37) is vertically and horizontally positioned. Since the position control bodies (34), (51) and (53) for performing the regulation are provided between the grain tank (17) and the machine body frame (3), the grain tank (17) in the open tank combine harvester. When storing the inside of the machine), it is possible to connect by a coupling member in which the axis of the discharge auger shaft (29a) of the grain tank (17) is always aligned with the drive shaft (38) on the machine side. These axes (2 a) It is possible to improve the connection accuracy between (38), and therefore even in such a tank open type combine, good work can be performed without adversely affecting tank working conditions such as tank driving efficiency. Has a remarkable effect.

[Brief description of 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 a side view of a grain tank.

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

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

FIG. 7 is a side view illustrating a coupling member.

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

[Explanation of symbols]

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

Claims (1)

[Claims] 1. The front and rear ends of the grain tank are rotatably supported by a machine frame via a pivot shaft, and the auger shaft of a grain discharge auger provided at the bottom of the grain tank is connected to the machine side. In the combine configured to be detachably connected to the drive shaft of the coupling member via a coupling member, a position regulating body that regulates the vertical and horizontal positions of the coupling member when the grain tank is stored inside the machine is A grain tank device of a combine, which is provided between the grain tank and the body frame.