JPH0521635U - Grain tank in combine - Google Patents

Abstract

(57) [Abstract] [Purpose] The grain tank on the upper part of the threshing device and the upper cover of the straw transfer device can be rotated upward together to improve the tank capacity and improve the maintainability of the threshing device. [Structure] Grain tanks are provided on the sides and above the combine threshing device 3, and the upper grain tank 4b is provided with the threshing device 3
The grain storage position in a substantially horizontal position close to the upper part of the grain is switched to the grain discharge position which is separated upward with respect to the threshing device 3 and is inclined downward toward the side grain tank 4a. A cover body was integrally provided to cover the upper part of the straw conveying device 11 of the threshing device.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a grain tank in a combine harvester.

[0002]

[Prior Art]

 Japanese Patent Application Laid-Open No. 55-39774 discloses a grain combiner provided above and side of a combine threshing device with an upper tank rotatable up and down.

[0003]

[Problems to be solved by the device]

 In the above-mentioned conventional one, the grain tanks are arranged over and above the threshing device to increase the tank capacity, and compared with the case where the grain tank is provided only on the side of the threshing device. It reduces the left-right balance fluctuation of the airframe due to fluctuations in quantity, and further, causes the grains in the upper tank to flow down into the side tank and discharges the grains from the side tank. When cleaning and maintaining the inside, it is troublesome to rotate the upper tank and remove the upper cover of the straw conveyor that is separate from the grain tank. An object of the present invention is to eliminate the above conventional problems.

[0004]

[Means for Solving the Problems]

 According to the present invention, a side grain tank having a grain discharging device is provided beside the threshing device, and an upper grain tank communicating with the side grain tank is provided above the threshing device. Switching to switch the grain tank between the grain storage position in a substantially horizontal position close to the upper part of the threshing device and the grain discharge position that is separated from the threshing device upward and is inclined downward toward the side grain tank. In the combine provided with the means, the upper grain tank is integrally provided with a cover body that covers an upper part of the straw conveying device of the threshing device.

[0005]

Operation will be described based on the embodiment shown in FIGS. 1 to 5. When performing mowing and threshing work, the upper grain tank 4b is set at the grain storage position in the substantially horizontal posture shown by the solid line in FIG. I do. When performing the grain discharging operation, the upper grain tank 4b is switched to the grain discharging position in which the grain is inclined upward as shown by a virtual line in FIG. In this state, the grains in the upper grain tank 4b flow down into the side grain tank 4a, and the grains are discharged to the outside by the grain discharging device, that is, the lateral feed spiral 7 and the grain discharging cylinder 5. When the inside of the threshing device 3 is cleaned or maintained, the upper grain tank 4b is switched to the upwardly inclined grain discharge position shown by the phantom line in FIG. 2 as in the case of discharging the grain outside the machine. In this state, the upper grain tank 4b is located at a position far away from the threshing device, and the cover body covering the upper part of the straw conveying device is also raised at the same time, so that the upper part of the straw conveying device is largely opened. It becomes easy to clean and maintain.

[0006]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a side view of a threshing device mounted on a combine machine body and a partially broken grain tank. FIG. 2 is a rear view of the combine in which the straw conveying device and the straw shredding device are indicated by imaginary lines. FIG. 3 is a plan view of the combine. FIG. 4 is a perspective view of a single grain tank. FIG. 5 is a sectional view of the threshing device. Reference numeral 1 is a pretreatment device, 2 is a driving operation unit, 3 is a threshing device, 4 is a grain tank, 5 is a grain discharge cylinder, and 6 is a straw shredding device. The threshing device 3 includes a handling room 8, a grain culm sandwiching carrier 9 including a feed chain 9a provided on one side thereof and a sandwiching rail 9b, and the threshing-completed straw is inherited from the grain stalk sandwiching carrier 9 to remove the straw. It is composed of a straw conveying device 11 for conveying to the shredder 6, a treating tooth 10, a treating cylinder 12, a receiving net 13, a cylinder cover 14 which can be opened and closed upward about a fulcrum 15, a processing cylinder 16 and the like. ..

The grain tank 4 includes a side grain tank 4a on the side of the threshing device 3 and an upper grain tank 4b above the threshing device 3 communicating with the side grain tank 4a. It is shaped like an inverted L. A lateral feed helix 7 is disposed below the side grain tank 4a, and the grain discharge tube 5 is connected to the lateral feed helix 7 so that the lateral feed helix 7 and the grain discharge tube 5 are connected. And constitute a grain discharging device. Next, the switching means for switching the upper grain tank 4b between the grain storage position and the grain discharge position will be described below. That is, the grain tank 4 is rotatably supported outwardly about the lateral feed spiral 7, and 18 is a hydraulic cylinder for rotating the grain tank 4. The whole grain tank 4 is switched between the grain storage position during the cutting operation shown by the solid line in FIG. 2 and the grain discharge position shown by the phantom line in FIG. In other words, the upper grain tank 4b is in a substantially horizontal posture close to the upper part of the threshing device 3 at the grain storing position, and is largely separated upward from the threshing device 3 at the grain discharging position and at the side portion. The posture is a downward inclination toward the grain tank 4a. Then, the grains in the upper grain tank 4b flow down into the side grain tank 4a at the grain discharge position.

Reference numeral 17 denotes a fried grain cylinder, which is vertically divided into two parts, and a grain discharge port is provided at an upper end of an upper portion 17a integrally attached to the side grain tank 4a. There is. As shown in FIG. 1, FIG. 2 and FIG. 5, the upper grain tank 4b is arranged from above the threshing section (handling chamber 8) of the threshing device 3 to above the starting end side of the straw conveying device 11. A front bottom plate 4c of the upper grain tank 4b covers a portion directly above the cylinder cover 14, and a rear bottom plate 4d directly covers an upper side of the starting end side of the straw conveying device 11. Further, the upper cover 20 of the straw conveying device 11 is integrally fastened via a bracket 21 to the rear portion of the upper grain tank 4b. That is, the rear bottom plate 4d of the upper grain tank 4b and the upper cover 20 described above constitute a cover body that covers the upper portion of the straw conveying device 11. Reference numeral 19 denotes a side cover of the grain stalk sandwiching and transporting body 9 formed by hanging down a side wall of the upper grain tank 4b on the grain stalks sandwiching and transporting body 9 side. As shown in FIG. 5, while covering the side of the roll 9b, the lower end thereof is configured to guide and guide, from above, the grain culls sandwiched and conveyed by the grain culm sandwiching and conveying body 9. In addition, 22 is a lower limit stopper of the grain tank 4, 24 is a step for boarding a manual operation, 23 is a handle fixed to the upper grain tank 4b and gripped when getting on and off the step 24, and 25 and 26 are They are side covers of the threshing device 3, respectively.

In the above-mentioned configuration, when performing the mowing threshing work, the grain tank 4 is in a state shown by a solid line in FIG. 2, that is, the upper grain tank 4 b is in a substantially horizontal posture close to the upper portion of the threshing device 3. Set to the storage position and work. When the grain tank 4 is full, the mowing threshing work is interrupted and the grain discharging work to the grain transporting vehicle is performed. In the case of the grain discharging work, the grain tank 4 is shown in phantom lines in FIG. That is, the upper grain tank 4b is separated from the grain removing device 3 upward and is switched to the grain discharging position inclined downward toward the side grain tank 4a. In this state, the grains in the upper grain tank 4b flow down into the side grain tank 4a, and together with the grains in the side grain tank 4a, the grain discharging device, that is, the lateral feed spiral 7 and the grain discharging cylinder. By 5, the grain is discharged to a grain carrier or the like outside the machine. When cleaning and maintaining the inside of the threshing device 3, the grain tank 4 is shown in phantom in FIG. 2 as in the case of discharging the grain outside the machine, that is, the upper grain tank 4b is set to the grain discharge position. Switch. In this state, the upper grain tank 4b is largely spaced upward from the threshing device 3, and a cover body for covering the upper part of the straw conveying device 11, that is, a rear bottom plate 4d of the upper grain tank 4b and an upper part. The cover 20 rises at the same time, and the upper part of the straw-conveying device 11 is largely opened, so that cleaning and maintenance are easy.

FIG. 6 is a side view of a combine equipped with a grain tank according to another embodiment of the present invention, and FIG. 7 is a rear view of the combine, and as shown in FIG. Is extended to the upper part of the rear straw shredding device 6 to increase the tank capacity, and the upper part of the upper grain tank 4b is covered only with the rear bottom plate 4d of the straw transfer device 11. It is a thing. Moreover, as shown in FIG. 7, the side grain tank 4a and the upper grain tank 4b are divided and only the upper grain tank 4b is rotatably supported by the hydraulic cylinder 18 about the fulcrum 30. The upper grain tank 4b is located near the upper part of the threshing device 3 in a substantially horizontal posture, and the grain discharging position is inclined downward toward the side grain tank 4a when the upper grain tank 4b is separated upward from the threshing device 3. In addition to the above-mentioned configuration, a grain bag-packing type is provided in which a side wall 4a is provided with a spout 31 as a grain discharging device.

[0011]

[Effect of the device]

 As described above, according to the present invention, the side grain tank having the grain discharging device is provided on the side of the threshing device, and the upper grain tank communicating with the side grain tank is provided above the threshing device. , Switching the upper grain tank to a grain storage position in a substantially horizontal position close to the upper part of the threshing device, and a grain discharge position which is separated from the threshing device upward and is inclined downward toward the side grain tank. By providing the means, the capacity of the grain tank is increased and the left-right balance fluctuation of the machine due to the fluctuation of the grain filling amount is reduced, thereby improving the mowing threshing capacity and the running performance, By allowing the grains in the grain tank to flow down into the side grain tank, the grain discharging device provided in the side grain tank can also reliably discharge the grains in the upper grain tank out of the machine. .. In addition, the upper grain tank is integrated with the cover that covers the upper part of the threshing device's straw transport device, so that the upper grain tank can be used as a threshing device simply by switching the upper grain tank to the grain discharge position. On the other hand, the cover body covering the upper part of the straw conveying device rises at the same time as it is largely separated, and the upper part of the straw conveying device is largely opened, so that the threshing device and the straw conveying device can be easily cleaned and maintained. It can be done easily.

[Brief description of drawings]

FIG. 1 is a side view of a threshing device mounted on a combine machine body and a partially broken grain tank.

FIG. 2 is a rear view of the combine in which the straw conveying device and the straw shredding device are indicated by imaginary lines.

FIG. 3 is a plan view of the combine.

FIG. 4 is a perspective view of a single grain tank.

FIG. 5 is a sectional view of a threshing device.

FIG. 6 is a side view of a combine equipped with a grain tank of another embodiment.

FIG. 7 is a rear view of FIG.

[Explanation of symbols]

 3 Threshing device 4 Grain tank 4a Side grain tank 4b Upper grain tank 4d Rear bottom plate of upper grain tank 11 Straw carrier device 18 Hydraulic cylinder 20 Upper cover of straw carrier device

Claims (1)

[Scope of utility model registration request] 1. A side grain tank having a grain discharging device beside the threshing device, and an upper grain tank communicating with the side grain tank is provided above the threshing device, and the upper grain tank is provided. Switching means for switching the grain tank between a grain storage position in a substantially horizontal position close to the upper part of the threshing device and a grain discharge position which is spaced upward with respect to the threshing device and is inclined downward toward the side grain tank. The grain tank in the combine, wherein the upper grain tank is integrally provided with a cover body that covers an upper part of the straw conveying device of the threshing device.