JPS645480Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a self-propelled automatic threshing machine, which can be manufactured at low cost by extremely simplifying the frame structure and reducing the number of parts used, so that it is particularly suitable for mounting a relatively lightweight small-sized threshing machine. In addition, it can be carried out suitably without losing its robustness, and it is also easy to manufacture, reducing the number of man-hours.By installing the transmission at the lower front of the fuselage, the overall length of the fuselage can be further shortened. It provides a good balance.

In other words, conventional self-propelled automatic threshing machines generally have a frame large enough to mount a separate threshing machine, engine, etc. above the truck frame, and the frame is supported by a plurality of vertically connecting members. However, in contrast to this, the present invention is constructed as follows.

To explain the embodiment shown in the drawings, FIG. 1 shows a side view of a self-propelled automatic threshing machine.
are extended in parallel at intervals, and support shafts 5, 6 for supporting the wheels 3, 4 are provided protruding outwardly from the rear and front portions near the middle of both the track frames 1, 2, respectively. , both ends of a truck frame connecting pipe 7 made of a round pipe extending in the left-right direction are welded to the upper surfaces of both truck frames 1 and 2 near the front.

Reference numeral 8 denotes a main frame, which is located slightly inwardly from both truck frames 1 and 2, and extends rearward at intervals with its upper portion parallel to each other, and is bent inward at its rear end to form a U-shape in plan view. It is formed from a single round pipe material so that it looks like this, and both ends are bent diagonally downward, and the end surfaces are welded to both ends of the track frame connecting pipe 7, and the left and right ends are attached to the middle part in the front and back direction. The lower sides of the main frame connecting plate 9, which has a cross-sectional shape extending in the direction, are welded near both ends.

Further, the horizontal connecting frame 10 connecting the rear parts of both the truck frames 1 and 2 is bent obliquely upward from both base ends so that the central part is high and straight, and is further opened below the main frame connecting plate 9. The center portion of the horizontal connection frame 10 is inserted into the space and welded.

The horizontal connection frame 10 is also made of round pipe.

Reference numerals 11 and 11 designate engine mounting stands, which are mounted between both ends of the main frame connecting plate 9 near the center and both sides of the rear end of the main frame 8.

Reference numeral 12 denotes a support piece extending upward from the outer surfaces of both truck frames 1 and 2, whose upper portions are bent inward and whose inner surfaces are connected to the truck frame connecting pipe 7.
and the top surface of the tip of the main frame 8.

Furthermore, a support tube 13 is formed by bending an iron plate so as to form a square bag-like cross section on the outside of the rear ends of both truck frames 1 and 2, and the upper side of the support tube 13 extends inward. At the same time, the tips are welded along the outer surface of the upwardly inclined portion of the horizontal connection frame 10 to form a reinforcing structure, and both support tubes 13 are provided with a support frame 16 on which a support shaft 15 for supporting an idler wheel 14 is mounted. They are configured to be slidably fitted and adjusted by adjuster bolts 64, 64.

Further, on the top surface of the front end of the bracket 17 which protrudes obliquely upward from the front ends of both the track frames 1 and 2, there are two cylindrical axles on which axles 19 and 20 extending from both sides of the lower part of the transmission case 18 are mounted. Case 2
The lower surfaces of both tips of the axles 19 and 22 are welded together, and a drive wheel 23 is mounted on the protruding ends of the axle cases 21 and 22 of the axles 19 and 20.

Reference numerals 24 and 24 denote supports that support the rear part of the transmission case 18 from the side of the truck frame connecting pipe 7, and a mounting seat 25 is provided at a position near the upper end of the front surface of the transmission case 18, and extends in the left-right direction. A threshing support plate 26 is welded to the upper surface of the mounting seat 25.

61 is a bolt hole for fixing the threshing machine A.

Further, 62 is a mounting bracket for the paddy holder 27.

Therefore, the driving wheels 23, both rolling wheels 3 and 4, and the idler wheels 14 on both truck frames 1 and 2 sides, respectively.
Both crawlers 28 and 29 are wrapped around the wheels to form a running section.

A shows the whole threshing machine, Feed Chain 30,
The threshing machine A is provided with a threshing drum 31, a supply port 32, a fourth funnel 33, a suction dust collector 34, etc., and the left and right side plates 3
The lower ends of the ribs 5 and 36 are bent outward to form horizontal edges 37 and 38 that are long in the front-rear direction.
The front end of 38 and both ends of the threshing support plate 26, and the rear ends of both edges 37, 38 and both ends of the main frame connecting plate 9 are configured to be fastened and fixed by bolts 39 and nuts 40.

Also, an engine E is installed close to the rear of the threshing machine A, and the engine E is mounted on the engine shaft 4.
1 is fixed on the engine mounting bases 11, 11 so as to face in the longitudinal direction of the fuselage, and a cowlator case 42 is fixed to the lower front part, and the engine shaft 4 is connected to the engine E via bevel gears 42, 43.
The structure is configured so that power can be transmitted to a counter shaft 44 extending in a direction perpendicular to the threshing machine A, and the counter shaft 44 and the counter case 42 are installed so that their front ends face inward of the threshing machine A, and the supply port 32 is An opening 45 is provided in a part of the side plate 35 , and the tip of the counter shaft 44 projects outward from the opening 45 . A belt is passed around the input pulley 47 through the lower space of the threshing machine A, and the belt is also passed around the pulley 48 fitted on the outside and the pulley 49 of the No. 1 conveyor, and the belt is passed around the input pulley 47 and the pulley 4 of the No. 1 conveyor.
9. Pulley 50 of suction dust remover 34 and handling cylinder 3
A belt is passed around the pulley 51 of No. 1.

In addition, a paddy holder 27 is installed at the rear lower part of the engine E to support it from the main frame 8 side.
On the upper side, at the rear and upper part of engine E, there is a clamping rod 52.
A box B is constructed, the lower part of which is supported by a strut 53 extending from the threshing machine A side, and the upper part supported by a stay 55 extending from the upper surface of the feed chain cover 54. is a paddy receiving part having paddy outlets 56, 56 on the lower side, and the left side is an operating part in which each control lever 57 is provided.

58 is a grain lifting cylinder, 59 is a paddy receiving rod, 60 is a recoil starter, and 63 is a speed change lever.

Therefore, since the main frame 8 has a structure in which it extends rearward from the middle part of both the truck frames 1 and 2 in the longitudinal direction, the frame structure is extremely simplified, and the number of parts and welding points is reduced. will decrease.

Furthermore, since the mission case 18 is supported between the front ends of both the track frames 1 and 2, the front end of the threshing machine A can be supported, and the space below the front of the threshing machine A can be used effectively. It is possible to shorten the overall length of the machine, and it is also advantageous in terms of balance because the relatively heavy transmission case 18 is located at the front of the machine, whereas the engine and paddy cradle 27 tend to bear weight at the rear of the machine. .

In this way, the present invention supports the transmission case 18 between the front ends of both the truck frames 1 and 2 that extend in parallel to the left and right, and supports the main frame that is higher than the intermediate portion of both the truck frames 1 and 2 in the longitudinal direction. 8 extends rearward, and connects the rear sides of both truck frames 1 and 2 and the middle part side of the main frame 8 by a horizontal connection frame 10 in the left and right direction,
One end side of the threshing machine A mounted on the upper part is supported by a mission case 18, and the other end side is supported near the connecting part between the main frame 8 and the horizontal connection frame 10, and furthermore, the engine E is mounted on the rear side of the main frame 8. Since the paddy cradle 27 is supported, the frame structure can be extremely simplified to be suitable for mounting a relatively lightweight small-sized threshing machine, and the number of parts used can be reduced, making it possible to manufacture the product at low cost.
Moreover, it can be carried out suitably without losing its robustness, and it is also easy to manufacture, reducing the number of man-hours.In addition, by installing the transmission at the lower front of the aircraft, the overall length of the aircraft can be further shortened, and it is also possible to improve the balance of the aircraft. It has the characteristics of being excellent.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side view of the self-propelled self-ejection, Fig. 2 is a plan view thereof, Fig. 3 is a main part of the transmission part, and Fig. 4 is a plan view of the frame part. 5 shows a side view of FIG. 4, and FIG. 6 shows a rear view of FIG. 4. 1, 2...Truck frame, 18...Mission case, 8...Main frame, 10...Horizontal connection frame, A...Thresher, E...Engine, 27
...Paddy holder.

Claims (1)

[Scope of utility model registration request] Both truck frames 1 and 2 extend parallel to the left and right
The transmission case 18 is supported between the front end portions of the two truck frames 1, 2, and the main frame 8, which is higher than the longitudinally intermediate portion of both the truck frames 1, 2, extends rearward, and is connected to the rear sides of both the truck frames 1, 2. The middle part side of the main frame 8 is connected by a horizontally connecting frame 10 in the left and right direction, one end side of the threshing machine A mounted on the upper part is supported by a mission case 18, and the other end side is horizontally connected to the main frame 8. A self-propelled automatic threshing machine characterized in that it is supported in the vicinity of the connecting part with the frame 10, and further supports the engine E and the paddy cradle 27 on the rear side of the main frame 8.