JPH0345553Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a reaping device for a combine harvester that has a reaping section and a threshing section, and the grain culm harvested by the reaping section is threshed in the threshing section. Previously, Utsukai Showa 56-
As shown in Japanese Patent No. 158120, there was a combine harvester in which the reaping part was installed on the outside of the machine so that it could rotate freely horizontally.

However, in the prior art, a bearing is provided on the vertical movement fulcrum pipe of the reaping section, and this bearing is attached to the receiving frame, and the bearing is displaced inside the combine harvester with respect to the horizontal rotation center of the reaping section. When the reaping section is rotated horizontally and taken out, the gravity of the reaping section acting on the bearing becomes a leverage and acts on the center of horizontal rotation, making the support of the reaping section unstable.
There are problems in that it is easy to damage the horizontal rotation part, and it is not easy to simplify the support structure for horizontal rotation and vertical rotation, and to improve handling workability such as attaching and detaching the reaping part.

However, the present invention is a combine harvester reaping device in which the reaping section is horizontally rotatable toward the outside of the machine, and the receiving frame is horizontally rotatable on the top surface of the front part of the machine on which the threshing section is mounted via a mounting seat on the horizontal rotation center line. A fastening fitting is provided for vertically erecting the pipe, and for removably gripping and fixing one side end of the pipe that supports the reaping part so as to be movable up and down, with the receiving frame, and the above-mentioned fastening fitting is provided on the horizontal rotation center line at the upper end of the receiving frame. It is characterized in that the fastening fittings are detachably provided.

Therefore, since the receiving frame is erected on the horizontal rotation center line of the reaping section, and the pipe that serves as the vertical rotation fulcrum is gripped by the frame and the fastening fittings on the horizontal rotation center line, less force is required than in the past. The reaping section can be stably supported and rotated horizontally, the reaping section can be easily assembled and disassembled by attaching and detaching the fastening fittings, the reaping section can be supported with a simple structure such as the fastening fittings, and the reaping section can be horizontally rotated more easily than before. This makes it easy to simplify the vertical rotation structure and improve handling efficiency.

An embodiment of the present invention will be described in detail below with reference to the drawings. Fig. 1 is a side view of the combine harvester, and Fig. 2 is a plan view of the same.
3 is a machine base fixedly supported on the track frame 1, 4 is a threshing section 7 consisting of a feed chain 5 stretched on the left side and a built-in handling cylinder 6, which is attached to the machine base via a hydraulic cylinder 8. 3 a reaping section which is supported so as to be movable up and down in the front and includes a cutting blade 9 and a grain culm conveying mechanism 10; 11 is the feed chain 5;
A straw cutter facing the end of the straw removal chain 12 connected to the terminal end, 13 an engine that drives each part of the combine, 14 a paddy tank facing the grain lifting cylinder 15 and storing grains to be taken out from the threshing section 4; Reference numeral 16 denotes a driver's cab equipped with a driver's seat 17 and a driving operation section 18, which continuously reaps grain culms in the reaping section 7 while the vehicle is traveling, and sequentially threshes the reaped grain culms in the threshing section 4. It consists of

3 is a side view of the reaping section 7, FIG. 4 is a plan view of the same, FIG. 5 is a front view of the same, and FIG. 6 is an external perspective view of the main part. 20 is a turntable which is a rotational fulcrum mounting seat that is horizontally rotatably supported on the support seat 19; 21 is a support frame that is vertically installed on the turntable 20; Reference numeral 22 denotes a reaping drive pipe 24 which is the vertical movement center of the reaping section 7 and is supported on the upper end of the receiving frame 21 via a fastening fitting 23.
25 is a reaping drive case interposed in the middle of the drive pipe 22 so as to be rotatable around the pipe 22; 25 is a slide guide connected to the right end of the drive pipe 22 via a pivot plate 26 and a swing pin 27; board, 2
Reference numeral 8 denotes a guide holder that is horizontally swingably supported by the machine base 3 via the swing fulcrum shaft 29 and guides and holds the guide plate 25; 30 is the drive case 24;
31 is a reaping transmission case connected to the tip of the transmission pipe 30; 32 is connected to the transmission case 31; 33 is a lifting gear case connected to the upper end of the drive pipe 32; 34 is a lifting tine supported by the gear case 33 via a sprocket 35; 36 is a lifting tine 34. a pulling case for guiding; 37 a scraping belt stretched between the output rotating shaft 38 of the transmission case 31; 39 a star foil which is a scraping wheel integrally fixed to the rotating shaft 38; 4;
0 is a lower conveyance chain linked to the star wheel 39, 41 and 42 are left and right reaping frames 43,
A cutting blade and a receiving blade are horizontally suspended between the cutting blade 43 and a receiving blade 44, and the tip side of the grain culm harvested by the cutting blade 41 and the receiving blade 42 is transferred to the upper conveyor belt 45 via the scraping belt 37, and the culm is The original side is configured to be transferred to the vertical conveyance chain 46 via the star foil 39 and the lower conveyance chain 40. Note that the driving operation section 18 includes side clutch levers 47, 4.
7, reaping and threshing clutch levers 48, 49, and a traveling speed change lever 50. Also, 51 in the figure
is a positioning pin for positioning the catch seat 19 and the turntable 20, and holds the reaping section 7 at the working position or the open position.

FIG. 7 is a drive system diagram of the reaping section 7, in which a reaping input is inserted into the drive pipe 22 via pulleys 54, 55 and a belt 56 to the swing drive shaft 53 that swings the swing sorting board 52. The shaft 57 is interlocked and connected, and the reaping clutch 58 and reaping transmission mechanism 5
The reaping drive shafts 60, 61 are interlocked and connected to the reaping input shaft 57 via the reaping shaft 9. Further, the drive shafts 63 of the upper conveyance belt 45 and the vertical conveyance chain 46 are interlockedly connected to the drive shaft 61 via a bevel gear 62, and the crank rod 64 of the cutting blade 41 is interlockedly connected to the transmission shaft 60. Further, a reaping shaft 68 is interlocked and connected to the drive shaft 60 through bevel gears 65 and 66 and a transmission shaft 67, and the scraping belt 37, star wheel 39, and lower conveyance chain 40 are connected to the reaping shaft 68 through a gear transmission mechanism 69. It is linked and linked. Furthermore, a lifting transmission shaft 73 is interlocked and connected to the reaping shaft 68 via bevel gears 70 and 71 and a lifting drive shaft 72, and a lifting shaft 74 of the lifting tine 34 is connected to the transmission shaft 73 via a bevel gear 75. It is linked and linked.

This embodiment is constructed as described above, and the grain culm that has been cut by the cutting blade 41 and the receiving blade 42 is raked on the tip side by the raking belt 37 and on the culm side by the star foil 39. The tip side is transferred to an upper conveyance belt 45, and the culm side is transferred to a vertical conveyance chain 46 via a lower conveyance chain 40. At the end of the transfer, the grain culms conveyed by the vertical conveyance chain 46 are transferred to the feed chain 5 on the culm side, and the ear side is introduced into the handling chamber of the threshing section 4 and conveyed by the feed chain 5. It is subjected to medium threshing treatment.

If it becomes necessary to perform maintenance or inspection on the inside of the reaping section 7, remove the positioning pin 51 and move the turntable 20 in the direction of the solid line arrow in FIG.
By rotating the reaping section 7, the reaping section 7 can be opened to the left outside of the machine as shown by the imaginary lines in FIGS. etc. can be easily performed. Further, when the reaping section 7 rotates, the belt 56 for reaping input becomes slack, so there is no need to loosen the belt 56 each time.

As is clear from the above embodiments, the present invention provides a combine harvester reaping device in which the reaping section 7 is horizontally rotatable on the outside of the machine.
A receiving frame 21 is horizontally rotatably installed on the front upper surface on a horizontal rotation center line via a mounting seat 20, and a pipe 2 supports the reaping section 7 so as to be vertically movable.
2. A fastening metal fitting 23 whose one side end is detachably gripped and fixed to the receiving frame 21 is provided, and the fastening metal fitting 2 is provided at the upper end of the receiving frame 21 on the horizontal rotation center line.
3 is removably installed, and a receiving frame 21 is set upright on the horizontal rotation center line of the reaping part 7, and the horizontal rotation center is set around the pipe 22, which serves as a vertical movement fulcrum between the frame 21 and the fastening fittings 23. Since it is gripped on a line, it is possible to stably support and horizontally rotate the reaping part 7 with less force than before, and the reaping part 7 can be easily assembled and disassembled by attaching and detaching the fastening fittings 23, etc. The reaping section 7 can be supported with a simple structure, and has practical effects such as simplifying the horizontal and vertical rotation structure and improving handling efficiency compared to the conventional structure.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is an overall side view of the combine harvester, FIG. 2 is a plan view thereof, FIG. 3 is an overall side view of the reaping section, and FIG. 4 is a plan view thereof. , FIG. 5 is a front view of the same, FIG. 6 is an external perspective view of the main part, and FIG. 7 is a drive system diagram of the reaping section. 7... Reaping section, 20... Rotating fulcrum mounting seat.

Claims (1)

[Scope of utility model registration request] In a combine harvester reaping device in which the reaping section 7 is horizontally rotatable toward the outside of the machine, a mounting seat 20 is located on the horizontal rotation center line on the front upper surface of the machine stand 3 on which the threshing section 4 is mounted.
The receiving frame 21 is erected horizontally rotatably through the support frame 21, and one end of the pipe 22 that supports the reaping part 7 in a vertically movable manner is attached to the receiving frame 21 in a detachable manner.
A reaping device for a combine harvester, comprising a fastening metal fitting 23 that is gripped and fixed by the receiver frame 21, and the fastening metal fitting 23 is detachably provided on the horizontal rotation center line at the upper end of the receiving frame 21.