JP2581229Y2 - 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 grain tank device having a grain tank for storing grains after threshing.

[0002]

2. Description of the Related Art This type of grain tank is structured so as to be opened outside the machine so that a front or rear side of the tank is opened to the outside of the machine about a fulcrum shaft provided on one side of the front and rear of the grain tank. There is something that I did.

[0003]

In the above prior art, a support for lifting and supporting the anti-fulcrum shaft side of the tank on the machine base and a lock pin for fixing to the machine base are provided at the bottom of the tank on the anti-fulcrum shaft side. There has been a problem that these supports and lock pins cause a reduction in tank capacity or a height of the center of gravity of the tank.

[0004]

According to the present invention, there is provided a fulcrum shaft for horizontally supporting a grain tank so as to be rotatable, and
In a structure in which the grain tank can be opened outside the machine, a rectangular support for supporting the grain tank on the machine base is supported by a pivot shaft having a shaft extending in the front-rear direction of the machine. On the bottom side of the tank bottom taper part to be rotatable,
The support can be appropriately provided without raising the tank, and the tank capacity can be prevented from being reduced or the center of gravity of the tank can be prevented from being increased.

[0005] Further, a pivot shaft is fixed to a mounting plate fixed to the lower portion of the front surface of the tank, the lower end of the pivot shaft is bent toward the rear of the machine, and the bent portion is formed on the tank bottom inside the mounting plate. The support is rotatably attached to the bent portion, so that the rigidity of the tank on the side opposite to the fulcrum shaft and the support strength of the support can be improved.

Further, in a structure having a fulcrum shaft for horizontally supporting the grain tank so as to be freely rotatable on the machine body and allowing the grain tank to be opened to the outside of the machine, the fulcrum shaft side of the grain tank opposite to the machine base is provided. A lock pin to be fixed is provided below the tape portion on the bottom surface of the tank, and the lock pin can be appropriately provided without raising the tank bottom, which can prevent a decrease in tank capacity or an increase in the center of gravity of the tank. It is.

Further, by providing a shaft hole for engaging the lock pin in the horizontal frame of the machine base, the tank can be securely fixed when housed.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an explanatory view of a main part, FIG. 2 is a side view of the whole, and FIG. 3 is a plan view of the same. In FIG. A machine stand erected on the frame (1), (4) is a threshing unit in which a feed chain (5) is stretched to the left and a handling drum (6) and a processing drum (7) are built in, and (8) is a mowing. A cutting unit equipped with a blade and a grain stalk transport mechanism.
0) The straw processing unit that faces the end, (11) is the driver's seat (1)
2) and a driver's cab including a driving operation unit (13), (14)
Is the engine room in which the engine (14a) is installed, (1)
Reference numeral 5) denotes a grain tank for storing the grains from the threshing unit (4), which is configured to continuously perform cutting and threshing operations.

Further, as shown in FIG. 4, a vertical conveyor (16) is fixed upright on the rear side of the grain tank (15), and the conveyor (16) is fixed to the tank (15). A lower case (16a), a conveyor middle case (16b) fixedly mounted on the fuselage side and rotatably connected to the lower case (16a), and rotatably connected to the middle case (16b). And a fulcrum shaft (17) projecting below the lower case (16a) is rotatably supported by the machine base (3) via bearing members (17a) and (17b). In addition, as shown in FIG. 9, vertically rotating members (16d) and (16e) fixed to the rear side of the tank (15) via the bolts (a) are rotatable to the outside of the middle case (16b). And the middle case (16b) and the support Axis said tank (15) around the (17) are configured to be opened by horizontally turning the outboard side.

[0010] A swing fulcrum case (18) is integrally connected to the upper case (16c), and a discharge conveyor (19) is connected to the fulcrum case (18), so that a worm wheel (20) and a hydraulic cylinder ( 21) is attached to the swing fulcrum case (18), and the swing fulcrum case (18) is driven to rotate in the horizontal direction via the worm wheel (20) to change the direction of the discharge conveyor (19). The discharge conveyor (19) is swung up and down by a hydraulic cylinder (21) to move up and down the tip end.

The horizontal auger (22) at the bottom of the grain tank (15) and the vertical auger (2) of the vertical conveyor (16).
3) and the discharge auger (24) of the discharge conveyor (19) are connected to each other, and the grains inside the grain tank (15) are carried out by the respective augers (22), (23) and (24), and are discharged. (19) The grain is discharged from the tip to a truck bed or the like, and as shown in FIG. 5, a grain-lifting cylinder (25) for carrying out the grain from the threshing unit (4) is provided. ) Through the inside surface of the tank (15)
An inlet (26) at the upper end of the fryer cylinder (25) is connected to communicate with the inside thereof, and the grains carried out by the fryer cylinder (25) are stored in the grain tank (15).

Further, a tank front support (for holding the tank (15) on the machine base (3) when the tank (15) is stored) is provided on the tank front side, which is the opposite fulcrum shaft side of the grain tank (15). 27) and a lock mechanism (30) for regulating the position of the tank (15) with the upper hook (28) and the lower lock pin (29).

As shown in FIGS. 6 and 7, the support (27) is formed of a substantially rectangular plate, and a pivot (32) is attached to a reinforcing mounting plate (31) fixed to the lower part of the front surface of the tank. The support member (27) is rotatably mounted via the support shaft (32). The pivot shaft (32) has an upper end fixed to the outer front surface of the mounting plate (31) and a lower end bent portion (32a) is attached to the mounting plate (31). The support (27) is rotatably attached to the bent portion (32a) so as to face the bottom of the inner tank (15). In this case, the dimension (A) from the axis of the bent part (32a) to the opposite short side (27b) is smaller than the dimension (A) from the axis of the bent part (32a) to one short side (27a). B) is set to be large (B> A), and when the tank (15) is opened, one short side is provided with a weight difference due to the dimensions (A) and (B) as shown by the imaginary line in FIG. (27b) side is always hung to the lower position, and when the tank (15) is housed, the right side frame (3b) of the machine base (3) has one side of the long side of the support (27). When the lower end of the contact surface (27c) comes into contact, the support (27) rotates counterclockwise around the bent portion (32a) serving as a support shaft as viewed from the front of the fuselage, and the short side (27b).
Is positioned on the outside of the machine, whereby the support (27) is held on the fixed holding plate (33) of the machine base (3) so as to support the front of the tank (15). Make up.

The support (2) of the mounting plate (31)
7) A stopper (34) for moving the support above is provided at the upper position, and when the weight of the tank (15) increases due to the paddy weight and the tank (15) is in a sinking state, the stopper (3) is provided.
While the support (27) is brought into contact with the support (4) to support it, even if the tank (15) sinks to the maximum due to the paddy weight between the mounting plate (31) and the machine base (4), A gap (t) larger than the squat displacement amount is formed, and the lower end of the tank (15), that is, the mounting plate (31) is raised with respect to the machine base (3) and the holding plate (33). It is configured so that it is always rotated and mutual contact is avoided.

Further, the upper end of the pivot shaft (32) is fixed to the mounting plate (31) so as to overlap the front wall of the tank (15) by a predetermined dimension (L). 15) and a state where the mounting shaft (32) is supported by the mounting plate (31) to improve the supporting strength.

The lock pin (29) has a shaft cylinder (35) fixedly mounted in the vicinity of the mounting position of the pivot (32) of the mounting plate (31), and a gate-shaped (3). A shaft hole (36) opened in the horizontal frame (3a) and a grain tank (1)
In the case of 5), the tank (15) is inserted and engaged to lock the tank (15), while the hook (28) is rotatably supported on the upper part on the front side of the tank via a pivot shaft (37). When the tank (15) is housed in the lock shaft (39) fixed to the threshing unit (4) via the pivot plate (38), the hook (28) is engaged with the rod (40). ) Is provided on the lever shaft (42) above the position of the tapered bottom portion (15a) of the grain tank (15), and the hook (41) is provided by the lever (41). A rod (40) for disengaging the lock shaft (39) from the lock shaft (39) and providing a lever (41) above the tapered bottom portion (15a) and bringing the lever (41) close to the hook (28) to connect them. Is configured to shorten the time.

As shown in FIG. 8, an iron plate (43) is fixed around the tip of the input port (26) of the above-mentioned fried cylinder (25).
An elastic member (44) such as a gas-permeable sponge, also serving as a filter, is fixed to the tank side of the iron plate (43).
A hard rubber (46) (which hardly shrinks) is fixed to the tip of a stopper (45) fixed to the fryer cylinder (25) below the input port (26), and the grain tank (15) and the fryer cylinder (2) are fixed.
When the hard rubber (46) of the stopper (45) is brought into contact with the tank (15) at the time of integral connection with 5), the elastic member (44) is pressed against the wall surface of the tank (15) in a state of being compressed. The inlet (26) is configured so that the tip thereof faces the inside of the tank via the opening (47). When the elastic member (44) is attached and compressed, the compression allowance is set to approximately 1/2 of the maximum compression allowance.

This embodiment is constructed as described above, and when cleaning and maintenance inspection of the inside of the threshing unit (4) and the grain tank (15), the fulcrum shaft (17) is centered. A machine (3) for opening the front side of the grain tank (15) to be pulled out to perform these operations, and for putting the grain tank (15) back in the machine body after the work is completed. When the lower end of the contact surface (27c) of the support (27) comes into contact with the support (27), the support (27) is
1), the short side (27b) of the contact surface (27c) comes into contact with the right outer frame (3b) of the machine base (3). At this time, the support member (27) rotates counterclockwise about the bent portion (32a), which is a support shaft, and moves on the machine base (3) with the contact surface (27c) of the support (27) facing downward. The smooth storage of the tank (15) in the machine is performed.

In the above-described embodiment, the configuration of the rectangular support (27) is shown. However, as shown by the imaginary line in FIG. 1, one side of the short side is formed into an arc surface (27e). In this case, when the tank (15) is rotated and stored inside the fuselage while the tank (15) is supported on the machine base (3), it is possible to smoothly move the tank (15) with little resistance. It can be made possible.

FIGS. 10 and 11 show another modified structure, in which a pivot shaft (32) of the mounting plate (31) is attached to a pivot shaft (48) of the horizontal frame (3a). The lower end of the support (49) is pivotally supported on a fulcrum shaft (48) so as to be able to swing left and right, and a bent portion of the shaft (32) is formed. An L-shaped bearing plate (50) engaged with the support shaft (32a) is fixed to the upper end of the support (49). The pivot shaft (32) to be engaged with (50) is moved over the fulcrum inside the body, and the bearing plate (50) is fixed to the fixed stopper (51) of the horizontal frame (3a).
When the grain tank (15) is brought into contact with the grain tank (15), the front side of the grain tank (15) is held by the machine base (3) via the pivot shaft (32) and the support (49), while the grain tank (15) is moved outward from the body of the grain tank (15). At the time of opening, the pivot (32) to be engaged with the bearing plate (50) from the center line of the fulcrum shaft (48) is moved beyond the fulcrum to the outside of the fuselage, and the support (49) is moved to the horizontal frame (3a). When abutting against the fixed stopper (52), the right receiving surface (50a) of the bearing plate (50) is displaced substantially horizontally as shown by the imaginary line in FIG. The shaft (32) and the bearing plate (50)
Is disengaged.

Under the condition of the bearing plate (50), when the grain tank (15) is stored again, the left receiving surface (50b) of the bearing plate (50) is in contact with the shaft (32). The grain plate (15) is housed and held in the machine base (3) by acting as a contact surface and moving the bearing plate (50) engaged with the shaft (32) beyond the fulcrum. . Thus, in this configuration, the engagement between the pivot shaft (32) and the bearing plate (50) and the disengagement thereof are naturally and reliably performed, and the opening and storage of the grain tank (15) can be performed smoothly and easily. Can be done.

[0022]

As is apparent from the above embodiment, the present invention is provided with a fulcrum shaft (17) for horizontally supporting the grain tank (15) on the machine body, and the grain tank (15) is provided outside the machine. In this structure, the rectangular support (27) for supporting the grain tank (15) on the machine base (3) is supported through a pivot shaft (32a) whose axial direction is the longitudinal direction of the machine. The tank (15) is rotatably provided below the tapered portion of the bottom surface of the tank (15) on the opposite fulcrum shaft side, so that the support (27) can be appropriately provided without raising the tank (15). It is possible to prevent the capacity of the tank (15) from decreasing or the center of gravity of the tank (15) from becoming high.

Further, a pivot (32) is fixed to a mounting plate (31) fixed to the lower part of the front surface of the tank (15), and the lower end of the pivot (32) is bent toward the rear of the machine. The bent portion (32a) faces the bottom of the tank (15) inside the mounting plate (31), and the support (27) is rotatably mounted on the bent portion (32a). ), The rigidity on the side opposite to the fulcrum shaft and the support strength of the support (27) can be improved.

Further, in a structure in which a fulcrum shaft (17) for horizontally supporting the grain tank (15) so as to be rotatable on the machine body and the grain tank (15) can be opened outside the machine, the grain tank is provided. A lock pin (29) for fixing the anti-fulcrum shaft side of (15) to the machine base is provided below the tape portion on the bottom surface of the tank (15), and the lock pin (29) is properly adjusted without raising the tank (15). (29) can be provided to prevent a reduction in the capacity of the tank (15) or an increase in the center of gravity of the tank (15).

The horizontal frame (3a) of the machine base (3) is provided with a shaft hole (36) for engaging the lock pin (29), so that the tank (15) can be securely fixed when housed. Is what you can do.

[Brief description of the drawings]

FIG. 1 is a partial explanatory view of a grain tank.

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 unit.

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

FIG. 6 is a left side view of the support portion.

FIG. 7 is an explanatory plan view of a support portion.

FIG. 8 is a partial explanatory view of a fried grain cylinder.

FIG. 9 is an explanatory view of a grain tank support.

FIG. 10 is an explanatory rear view of another support.

FIG. 11 is an explanatory plan view of another support.

[Explanation of symbols]

 (3) Machine base (3a) Horizontal frame (15) Grain tank (17) Support shaft (27) Support (29) Lock pin (31) Mounting plate (32) Pivot shaft (32a) Bend (36) ) Shaft hole

Continuation of the front page (56) References Japanese Utility Model Showa 61-47257 (JP, U) Japanese Utility Model Showa 63-20743 (JP, U) Japanese Utility Model Showa 60-81750 (JP, U) (58) Fields surveyed (Int) .Cl. ⁶ , DB name) A01F 12/46-12/60

Claims (2)

(57) [Scope of request for utility model registration] 1. A structure having a fulcrum shaft for supporting a grain tank on a machine body so as to be freely rotatable in a horizontal direction, wherein the grain tank is openable to the outside of the machine. Characterized in that the support is rotatably provided below the tapered portion of the tank bottom surface on the side opposite to the fulcrum shaft of the tank via a pivot shaft whose axis is in the longitudinal direction of the machine body. 2. A pivot shaft is fixed to a mounting plate fixed to a lower portion of a front surface of a tank, and a lower end portion of the pivot shaft is bent toward the rear of the vehicle, and the bent portion is formed on a tank bottom inside the mounting plate. 2. The combine grain tantalum apparatus according to claim 1, wherein the support is rotatably attached to the bent portion.