JPH1075649A - Structure of grain tank in combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable simple fixation and release of the grain tank in spite of increased supporting strength for the grain tank. SOLUTION: The grain tank 5 is supported on the machine frame freely rotatably around the axis of the vertical shaft. In addition, the first fixation means 11 which fixes and releases the lower part of the grain tank 5 to or from one fixation part of the machine body and the second fixation means 20 which fixes and releases the upper part of the grain tank 5 to or from the other fixation part are interlockingly linked to a simple operation means 19 and they are constituted so that the fixation and release operations of the first fixation means 11 and the second fixation means 20 may be done by this operation means 19.

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 structure for supporting a grain tank on a body frame so as to be rotatable about a longitudinal axis.

[0002]

2. Description of the Related Art Conventionally, in this type of grain tank structure of a combine, a fixing means for connecting a lower portion of the grain tank to an airframe is provided so as to be capable of being fixed and released freely. It has been known that a fixing means for connecting an upper portion of a tank and a body fixing portion such as a threshing device is artificially fixed and can be freely released.

[0003]

However, in the above-mentioned conventional structure, the fixing of the Glen tank was performed only at the lower part of the Glen tank or only at the upper part of the Glen tank. There was a problem that the strength was slightly weak. Therefore, in order to increase the support strength of the Glen tank, for example, as disclosed in Japanese Utility Model Application Laid-Open No. 2-93936, it is necessary to fix or release the fixing to the fuselage fixing portion at two places above and below the Glen tank. Although it is conceivable, in the past, it was only known to manually fix or release the fixing at each of the fixing parts, so that the operation of fixing and releasing the fixing of the Glen tank was troublesome and troublesome. Was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and enables fixing and releasing of the support of the Glen tank by a simple operation while increasing the support strength of the Glen tank. The purpose is to:

[0005]

[Means for Solving the Problems]

(Structure) A grain tank structure of a combine according to claim 1 of the present invention supports a Glen tank on a body frame so as to be rotatable about a vertical axis, and fixes a lower part of the Glen tank to a body fixing part. And the first to release the fixation
A fixing means and a second fixing means for fixing and releasing the fixing of the upper part of the Glen tank and another body fixing part are linked to a single operating means, and the first operating means is connected to the first operating means by the operating means.
It is characterized in that the fixing means and the second fixing means are both operable to fix and release the fixing.

(Operation) According to the first aspect of the present invention, the first fixing means for fixing and releasing the lower portion of the Glen tank and the body fixing portion fixedly supported by the body, and the upper portion of the Glen tank. Since the second fixing means for fixing and releasing the fixing with another body fixed and supported by the body is linked to the single operating means, the second fixing means is fixed by the operating means. When the garment is operated, the Glen tank is fixed or unlocked at one time with respect to the body fixing means and another body fixing means.

(Effects) Therefore, according to the configuration of the first aspect of the present invention, the Glen tank is fixed or unlocked to the body fixing portion or the like only by operating a single operating means. As described above, it is not necessary to separately perform the operation of fixing or releasing the fixing of the Glen tank to the machine frame or the machine fixing portion such as the threshing device, so that the operability is improved.

(Structure) In the grain tank structure of the combine according to claim 2 of the present invention, in the structure of claim 1, the fixing means is released by a gripping operation of the operating means together with a grip member provided on the Glen tank. The lever is configured to perform the following.

(Operation) According to the configuration of the second aspect of the present invention, the operating means is configured as a lever for releasing the fixation of the Glen tank to the body by the gripping operation together with the grip member provided on the Glen tank. Therefore, when the threshing device is released by rocking the Glen tank, the lever is squeezed together with the handle member for the operation of releasing the fixation of the Glen tank, and then the Glen tank is opened by holding the handle member. By performing the swing operation, the operation can be performed by a series of operations.

(Effects) Therefore, according to the configuration of the second aspect of the present invention, the opening of the Glen tank can be performed by a series of operations, so that the operations can be performed easily and quickly as compared with those performed separately. , Workability can be improved.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show the combine. This combine is equipped with a threshing device 3, a boarding operation unit 4, a Glen tank 5, and the like mounted on a body frame 2 supported by a pair of left and right crawler traveling devices 1 and 1, and a lateral end is mounted on a front end of the body frame 2. The cutting pre-processing device 6 is mounted so as to be able to swing up and down around the axis.

As shown in FIGS. 3 and 4, the Glen tank 5 is provided with a bottom screw 7 for carrying out stored grains along a front-rear direction at a bottom portion which is formed in a tapered shape when viewed from the front. The transporting end of the bottom screw 7 extends outward and rearward of the Glen tank 5, and a screw-type lifting device 8 for lifting out the transported grain is provided continuously above the extending end. At the upper end of the hoisting device 8, a screw type lateral feeding device 9 for conveying and discharging the hoisted grains in the horizontal direction is connected. The Glen tank 5 is rotatably supported around a vertical axis Z substantially coincident with the axis of rotation of the screw in the screw type lifting device 8. Accordingly, the Glen tank 5 is opened for maintenance to open the space between the threshing device 3 and the threshing device 3 arranged in parallel on the left and right sides by rotating around the axis Z at the rear end. It is possible to switch between a posture and a normal posture. A support plate 10 for sliding on the fuselage frame 2 at the front end of the Glen tank 5 is continuously provided, and the support plate 10 serves as a fuselage fixing portion when the Glen tank 5 is in a normal posture. First fixing means 11 for fixing to the body frame 2 is provided.
The first fixing means 11 has a fixing pin 13 inserted vertically slidably into a cylindrical boss 12 provided on the support plate 10, and is capable of inserting the fixing pin 13 when the Glen tank 5 is in a normal posture. A hole 14 is formed in the body frame 2. Further, an operation mechanism 15 for sliding the fixing pin 13 up and down is provided.
The operation mechanism 15 includes a support plate 10 and a handle member 1 described later.
8, a swing arm 16 and a lever arm 17 are pivotally supported around respective axes X1 and X2 along the front-rear direction, and a fixing pin 13 is inserted into an elongated hole 16a at one end of the swing arm 16. The front-facing pin 13a projecting from
A pin 16b protruding from the other end of the swing arm 16 is
The lever arm 17 is configured to engage with the elongated hole 17a at the free end. The lever arm 17 is pivotally supported by a handle member 18 connected to the support plate 10 at a lower portion of the lateral side surface of the Glen tank 5, and integrally has a lever portion 19 as an operation means that can be manually operated. Connected.

As shown in FIGS. 3 and 4, a second portion for fixing or releasing the upper portion of the side wall of the threshing device 3 and the upper portion of the Glen tank 5 as another body fixing portion is fixed. Two fixing means 20 are provided. This second fixing means 20 fixes a fixing and holding metal member 21 made of a round bar-shaped member extending in the front-rear direction to an upper portion of a side wall of the threshing device 3 and a linking rod having one end locked to the lever arm 17. The other end of 22 is engaged with a movable hook 24 pivotally supported on a bracket 23 fixed to an upper portion of the Glen tank 5 so as to be swingable about a longitudinal axis X3. Receiving bracket 23
When the Glen tank 5 is in the normal position, the fixing and holding metal member 21 is contacted and held on the upper side, and the first fixing means 11 is fixed, that is, the fixing pin 13 is engaged with the engagement hole 14. In this state, the linking rod 22 swings the movable hook 24 upward, and the movable hook 24 engages the fixed holding metal fitting 21, the upper side of which is held by the receiving metal fitting 23, from below. Hold to make a fixed state. That is, when the lever portion 19 is manually swung toward the Glen tank 5 with the Glen tank 5 in the normal use posture, the first fixing means 11 and the second fixing means 20 are moved.
Makes the Glen tank 5 fixed with respect to the body frame 2 and the threshing device 3. Conversely, the lever portion 19 is
The lever 19 is pivoted outward from the fuselage, and in conjunction therewith, the fixing pin 13 is pulled out of the engagement hole 14 and the movable hook 24 is pivoted downward to be movable. The engagement and holding of the fixture 21 by the hook 24 is released. Then, when the grip member 18 is pulled by a manual operation in the state as it is, the Glen tank 5 swings outward around the axis Z. Thereby, the pulling operation of the Glen tank 5 outward and the release of the fixation of the Glen tank 5 move the single lever portion 19 to the handle member 1.
The operability is good because it can be performed by a series of simple operations that can only be performed by grasping with the camera 8.

In the above-described embodiment, as shown in FIGS. 3 and 4, when the fixing pin 13 is inserted into the engaging hole 14 for a predetermined amount or more, the fixing pin 13 is switched by the tip of the fixing pin 13 and turned off. A limit switch 25 for outputting a signal to the control device 27 is provided. And lever part 1
9 by pulling the first fixing means 11 and the second fixing means 2
When the fixing pin 13 is released, the fixing pin 13 comes out of the engagement hole 14 so that the fixing pin 13 of the limit switch 25 is released.
Switch is released and the limit switch 2
5 outputs an ON signal to the control device 27, and the control device 27 operates the fuel cut solenoid 26 of the mounted engine E based on the output signal. With this configuration, when the lever portion 19 is pulled and operated for the operation of releasing the fixing of the first fixing means 11 and the second fixing means 20, the engine E is set to stop without fail. When rotating the tank 5 sideways, the engine is always stopped.

[Brief description of the drawings]

FIG. 1 is an overall side view showing a combine.

FIG. 2 is an overall plan view showing a combine;

FIG. 3 is a partially broken front view showing a lock structure of a fixed Glen tank.

FIG. 4 is a longitudinal sectional front view showing a lock structure of a Glen tank in an unlocked state.

[Explanation of symbols]

 2 Body frame 5 Glen tank 11 First fixing means 19 Operating means 20 Second fixing means

Claims (2)

[Claims] A first fixing means for supporting a Glen tank on a body frame so as to be rotatable about a vertical axis, and for fixing and releasing fixing between a lower portion of the Glen tank and a body fixing portion; A second fixing means for fixing and releasing the fixing of the upper part of the tank and another body fixing part is linked to a single operating means, and the first fixing means and the second fixing means are jointly operated by this operating means. Combined Glen tank structure that can be fixed and released. 2. The grain tank structure of a combine according to claim 1, wherein said operating means is constituted by a lever for releasing said fixation by a gripping operation together with a grip member provided on said Glen tank.