JPH0433720Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a harvester in which a threshing section can freely turn left and right with respect to a running section.

[Problems to be solved by the prior art and the invention] Conventionally, in a harvester, the work platform on which the threshing section is mounted and the running section were assembled as one piece, so for example, it was difficult to secure an effective working space due to narrow ridges. If the operator is directly exposed to dust due to the wind direction or wind direction, it is necessary to change the direction of the machine every time, which is a disadvantage in that workability is poor.

Therefore, Utility Model Publication No. 51-41794 and Utility Model Application Publication No. 61-
As shown in Japanese Patent No. 34843, it is proposed that a swivel table on which a threshing machine is mounted is provided on a base integrated with a traveling device so as to be able to freely turn in left and right directions. However, in the former case, the cylindrical shaft into which the output shaft for transmitting power from the engine mounted on the running section side to the threshing section fits is divided into two parts, one on the running section side and the other on the threshing section side. This machine is divided into two parts and supported so as to be rotatable around its axis. However, since the swing support part of the threshing part was located below the work machine table, the height of the machine was unavoidably high. Not only that, but the engine power was guided to the side of the base before inputting it to the threshing section, which made the structure complicated, and the power transmission mechanism exposed on the side of the base had to be covered with a cover. There are problems such as being forced to do so.

On the other hand, in the latter type, the center of rotation is set approximately at the center of the threshing machine, but in this type, the engine power is input directly to the threshing section above the base, so Although the power transmission mechanism is not exposed on the side of the table, when the threshing section is rotated, the direction of the engine section and the threshing section changes, and power transmission is no longer possible. There is a problem in that the threshing operation cannot be performed by turning the grain to a desired position.

[Means for Solving the Problems] The present invention was devised in view of the above-mentioned circumstances with the aim of providing a harvester that can eliminate these problems. On the base that is integrated into the device,
In a harvester in which a swivel table on which a threshing section is placed is provided so as to be able to freely turn in left and right directions, the center of rotation of the threshing section is set at approximately the center of the threshing section and at a position upstream of the inclined flow plate of the first funnel in the threshing section. At the center of rotation of the base, a cylindrical shaft, through which an intermediate shaft for transmitting the engine power transmitted via the lower part of the base to the threshing section passes, is integrally installed, protruding upward from the base. and the protrusion is rotatably fitted into a fitting hole provided in the swivel base to form a rotation support shaft of the swivel base, and the swivel base and the upstream portion of the inclined flow plate of the first funnel are connected to each other. A power input section for inputting the engine power transmitted to the intermediate shaft to the threshing section is disposed in the space between the two.

With this configuration, the present invention allows engine power to be input to the threshing section through the cylindrical shaft, which is the center of rotation, but has a simple structure and improves workability. be.

[Example] Next, an example of the present invention will be described based on the drawings. In the drawings, reference numeral 1 denotes a traveling machine constituting a harvester, and a base 1a of the traveling machine 1 is integrated with a track frame 3a of a crawler-type traveling device 3, and a peripheral surface portion is attached to the base 1a. A rotating cylinder 4, which is fixed and whose bottom portion is fixed to the track frame 3a, is provided so as to protrude upward.
On the other hand, reference numeral 5 denotes a swivel base, and the swivel cylinder shaft 4 is slidably fitted into a hole 5a opened in the center of the swivel base 5.
It is designed to be able to turn in the left and right directions with the axis of the wheel as the turning center O.

Reference numeral 7 designates an engine section mounted on the track frame 3a, 8 a driving operation section configured to cover the engine section 7 and equipped with operating tools such as a handle 9, and 10 a transmission section. transmission case, this transmission case 10
The distal end of the power transmission shaft 11 extending along the lower surface of the base 1a penetrates into the rotating cylinder shaft 4, and a bevel gear 12 is integrally provided at the distal end. This bevel gear 12 meshes with a bevel gear 13a provided at the lower end of an intermediate shaft 13 that is rotatably supported by the rotating cylinder shaft 4. 13b is integrally provided.

Reference numeral 14 denotes a threshing section, and the threshing section 14 is mounted on the above-mentioned swivel table 5 so that its center of gravity (the center position of the threshing section) substantially coincides with the axis of the swivel cylinder shaft 4. However, an input gear 14a provided on the threshing section 14 side meshes with the bevel gear 13b, thereby forming a power input section through which power is input from the engine section 7 side to the threshing section 14. The power input to the input gear 14a is transmitted to the pulley 14
b, and from there power is transmitted to the handling cylinder 15, the second item carrier 16, the first item carrier 17, and further to operating parts such as the dust removal fan 18 and the feed chain 19. . Moreover, this device is set so that the above-mentioned pivot center O is the upstream part of the tilted plate of the first funnel 20, and the space between the upstream part of the tilted plate of the first funnel 20 and the swivel base 5. A power input section for the threshing section 14 is disposed in the threshing section 14.

Reference numeral 21 denotes a stopper for positioning the swivel base 5, and the stopper 21 can be freely moved in and out of the locking hole 5b formed in the swivel base 5 by operating a lever 22 provided on the driving operation section 8. Immersive, swivel platform 5
can be positioned and set at a predetermined turning angle position. Note that 21a is a return bullet for the stopper 21, and 21b is a bracket for the stopper 21.

Reference numeral 24 denotes a grain storage device that is detachably assembled to the tip of the grain discharge tube 23 that is interlocked with the first material conveyor 17, and a frame 25 constituting the device 24 is The R pin 25b has a structure in which it is inserted into and removed from a bracket 23a provided in the grain discharge tube 23, and is loaded by an ammunition machine 25a.
A fixing pin 25c is provided to prevent it from coming off and to fix it at a desired position. Moreover, a hanger 26 is provided at the middle part of the frame 25, and a bag receiving plate 27 is provided at the lower end.Furthermore, a single-wheel type rolling wheel 28 is provided at the bottom of this bag receiving plate 27. Thus, the entire housing device 24 can be moved together with the change of the discharge tube 23.

In the embodiment of the present invention configured as described above, the threshing section 14 is normally operated on the road or in the field, or during threshing operations, with the stem culm supply side and the discharge side located on the left and right sides, but It is a narrow ridge road,
When threshing is performed in a place where there is not enough work space or in bad wind direction, the threshing section 1
4 to either the left or right at a desired angle around the turning center O, the working conditions can be improved. For this purpose, the lever 2 in the embodiment is
2 to remove the stopper 21 from the swivel base 5 and set it free, the swivel base 5 can be rotated by a desired angle, and the stopper 21 can be positioned and fixed by fitting into the locking hole 5b.

As described above, in the present invention, by rotating the threshing section 14, the threshing operation can be performed in the most desirable form, and the workability and working environment can be improved without having to steer the entire machine every time. Although it is simple and easy to do, this structure does not rotate the threshing section 14 and the engine section 7 at the same time as in the past, but instead has a configuration in which only the threshing section 14 rotates while the engine section 7 remains as it is. Therefore, turning work is light and easy, and
The structure can be simplified. Moreover, since only the threshing section 14 rotates, the center of rotation O is
It is not necessary to use the central part of the aircraft to maintain balance as in the past, but the center of rotation is biased toward the front of the base frame 3a and has a strongly reinforced structure, which improves the balance of the aircraft. This can be done without any damage.

Furthermore, since the engine section 7 is separated from the threshing section 14, the influence of engine vibration on the rack section 14 is indirectly reduced, resulting in less vibration. Furthermore, since the engine section 7 is provided in the track frame 3a and is configured to be located at a low position, the center of gravity of the machine can be lowered and running stability can be improved.

Further, the turning center O of the threshing section 14 is located at the upstream side of the inclined flow plate of the first funnel 20, and in the space formed between the upstream side of the inclined flow plate and the turning base 5.
Since a power input section for inputting the engine power transmitted to the intermediate shaft 13 to the threshing section is provided, the rotation center of the threshing section 14 becomes the center of power input to the threshing section 14, and the threshing section 14 Even if you rotate the
Power transmission from the engine remains unchanged. Moreover, the power input section for inputting engine power to the threshing section is arranged in the space formed between the upstream part of the inclined flow plate and the swivel table 5. can be effectively used as the installation space for the power input section, making use of dead space, and there is no need to expose the power input section to the outside of the machine, simplifying the structure.

Moreover, in this case, the grain storage section 24 is connected to the discharge pipe 2.
3 and moves together with the discharge tube 23, there is no inconvenience that the grain storage section 24 will shift from the discharge position of the discharge tube 23 even when the threshing section 14 is rotated. . Regarding the movement of this grain storage section 24, the bag receiving plate 27 is attached to and detached from the base 1a as in the second embodiment shown in FIG. The installation position can be set to base 1.
They may be formed at a suitable number of locations on the periphery of a, and in this case, the grain storage section 24 does not move integrally with the discharge tube 23, but it can also be implemented in this manner.

Further, in this vehicle, the swivel platform 5 from which the threshing section 14 is removed can be used as a loading platform as is, but by further mounting a loading platform frame 29 separately, it can be effectively used as a luggage carrier with a loading platform swivel function. It's convenient to be able to do that.

Furthermore, the present invention can be implemented as a type in which the bag receiving plate 27 is fixed to the rear end of the base frame 1a. In this case, due to the rotation of the threshing section 14, the discharge tube 2
3 is not displaced from the storage section 24, the ejection tube 23 and the grain lifting tube 30 are communicated via the intermediate tube 31 which is connected to each other so as to be flexible, and the bending action at the connecting portion with the intermediate tube 31 is prevented. Therefore, even if the threshing section 14 rotates, the discharge position of the discharge tube 23 may face the grain bag attached to the bag receiving plate 27. Moreover, the front edge of the swivel base 5 facing the engine section is formed into an arc shape, so that the swivel table 5 can be swiveled in a minimum space.

[Operation and Effect] In summary, since the present invention is constructed as described above, by rotating the threshing section with respect to the traveling device, the threshing section can be positioned at a desired position corresponding to the working conditions. It can be easily positioned, significantly improving work efficiency, and also prevents vibrations from the engine from being directly transmitted to the threshing section.

Furthermore, the center of rotation of the threshing section is located at the upstream side of the inclined flow plate of the first funnel, and the engine transmitted to the intermediate shaft is placed in the space formed between the upstream side of the inclined flow plate and the rotating table. A power input section is provided to input power to the threshing section, and the center of rotation of the threshing section becomes the center of power input to the threshing section, allowing the threshing section to rotate while power is being transmitted from the engine. However, the power input part for inputting this engine power to the threshing part is placed in the space formed between the upstream part of the inclined flow plate and the swivel table, which is inevitable due to the structure. This space can be effectively used as a space for installing the power input section, making it possible to utilize dead space, and there is no need to expose the power input section to the outside of the machine, simplifying the structure and making the machine lightweight and compact. This means that the aircraft can be made stable with a low center of gravity.

[Brief explanation of drawings]

The drawings show an embodiment of the harvester according to the present invention, in which FIG. 1 is a partially cutaway side view of the harvester, FIG. 2 is a plan view showing the rotating state of the threshing section, and FIG. A partially cutaway side view showing the state with the threshing part removed, Fig. 4 is a front view of the grain storage part, Fig. 5 is a sectional view of the stopper part, and Figs. 6A and B show the second embodiment. A sectional side view and a plan view of the main parts; FIG. 7 is a partially cutaway side view of the harvester of the third embodiment;
FIG. 8 is a plan view showing the rotating state of the threshing section. In the figure, 1 is the traveling body, 1a is the base, 3 is the traveling device, 4 is the rotating cylinder shaft, 5 is the rotating base, 7 is the engine part, 13 is the intermediate shaft, 14 is the threshing part, 20 is the first funnel, O is the center of rotation.

Claims (1)

[Scope of utility model registration request] In a harvester in which a swivel table on which a threshing section is placed is provided on a base integrated with a traveling device on which an engine section is mounted so as to be able to freely turn in the left and right directions, the center of rotation of the threshing section is set at approximately the center of the threshing section. and at the upstream position of the inclined flow plate of the most funnel in the threshing section,
A cylindrical shaft, through which an intermediate shaft for transmitting engine power transmitted via the lower part of the base to the threshing section passes, is integrally provided at the center of rotation of the base, protruding above the base. The protruding portion is rotatably fitted into a fitting hole provided in the swivel base to form a rotation support shaft of the swivel base, and is provided between the swivel base and the upstream portion of the inclined flow plate of the first funnel. A harvester characterized in that a power input section for inputting the engine power transmitted to the intermediate shaft to the threshing section is disposed in the space section.