JPS6227074Y2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Application The present invention relates to the configuration of the joint portion between the upper conveyance device for conveying the ear portion and the entrance iron plate in the grain culm conveyance device of a combine harvester.

(B) Prior art Conventionally, the upper conveyance guide body is extended to above the entrance iron plate, and the tips of the grain culms placed on the entrance iron plate 10 rise up on the entrance iron plate 10, and the handling trunk There is a well-known technique for applying resistance and pressing to prevent it from becoming difficult to enter the inside of the body.

For example, as in Japanese Utility Model Application Publication No. 54-104635.

(c) Problems to be solved by the invention In the grain culm conveying device of a combine harvester, the lower conveying device that conveys the stock head part conveys the stock head part in a pinched state using a clamping conveyance chain and a clamping rod, but the grain head part The upper conveying device transports the grains to the iron plate at the entrance of the handling barrel while gripping them with a space between the tines and the guide body to prevent grains from being shattered by strongly gripping the ears. .

In such a conventional grain culm conveying device, if the transfer is not carried out smoothly from the lower conveying device that conveys the grain to the vertical conveying device, the culm that has come off the conveyance path will be transferred to the upper conveyor. This caused the culm to slip off the handle and cause the culm to fall out and become tangled.

In the present invention, at the tip of the inlet iron plate, which is the upper transfer position corresponding to the joint part between the lower conveyance device and the vertical conveyance device, the tip part is held between the upper conveyance guide and the tip of the entrance iron plate, and the culm at the joint part is The purpose is to prevent disturbances in the flow and help ensure smooth completion of transfer to vertical conveyance.

(d) Means for solving the problem The purpose of the present invention is as described above. Next, the configuration for achieving the purpose will be explained.

The stock base of the grain culm is transferred from the lower conveyance device 17 to the vertical conveyance device 8 and conveyed to the feed chain 9, and the tip of the grain is engaged between the upper conveyance tine 5 of the upper conveyance case 4 and the upper conveyance guide body 7. In the configuration in which the cuttings are transported from the lifting case 3 to the entrance iron plate 10, near the transfer position from the lower transport device 17 to the vertical transport device 8, the terminal end of the upper transport guide body 7 where the tip portion is located and the entrance iron plate 10 The terminal end of the upper conveyance guide body 7 is formed into a bent part 7a extending in a direction perpendicular to the traveling direction along the tip of the handling cylinder entrance iron plate 10, and the tip of the entrance iron plate 10 also has a bent part. The tip is bent downward at the position opposite to 7a.
0a.

(E) Embodiment The purpose and structure of the present invention are as described above, and the structure of the embodiment shown in the attached drawings will be explained.

FIG. 1 is an overall plan view of the combine harvester of the present invention.

A weed cutting board 1 is protruded from the most extreme part of the machine body, and the culm is introduced into the pulling device while weeding the plant base. The lodging grain culm is raised by a lifting device consisting of a lifting tine 2 and a lifting case 3, and the tip of the grain is moved by an upper transport tine 5, an upper transport case 4, an upper transport guide plate 6, and a lower grain culm.
It leads to an upper conveyance device consisting of an upper conveyance guide body 7.

As shown in the side view of the grain culm conveyance device in FIG.
7 will be introduced.

At the terminal end of the lower conveying device, the stock base is transferred to the vertical conveying device 8, and then transferred to the feed chain 9 while adjusting the length and shortness of the culm by the vertical conveying device 8.

The tip portion is placed on the entrance iron plate 10 from the upper conveyance device and enters the handling barrel.

12 is a waste culm processing device, 13 is an engine, 14 is a grain receiving device, 15 is a seat, and 16 is a control device.

FIG. 3 is a plan view showing the grain conveying device of the combine harvester of the present invention, and FIG. 4 is a drawing showing the relationship between the vertical conveying device 8 and the feed chain 9.

The main parts of the present invention will be explained with reference to FIGS. 2 and 3.

The tip portion reaches the downwardly bent portion 10a at the tip of the entrance iron plate 10 by the upper conveyance device, and the stock base portion is rapidly lifted by the vertical conveyance device 8 and transferred to the feed chain 9.
By being transported backwards, the robot is completely placed on the entrance iron plate.

The lower conveyance device 17 has a lateral conveyance section 17a at its terminal end that is conveyed in the lateral direction, and this lateral conveyance section 1
7a, the tip portion is lightly held between the tip bent portion 10a of the entrance iron plate and the bent portion 7a of the upper conveyance guide body 7.

In this lightly pinched state, the grain is transferred from the horizontal conveying section 17a of the lower conveying device 17 to the vertical conveying device 8, so that at the moment of inheritance, a part of the grain culm becomes free from being pinched from the lower conveying device. Even if there is a problem, the structure is such that it can be inherited by the next vertical conveyance device 8 without causing any slippage or culm removal.

In FIG. 1, the upper conveyance guide plate 6 and the upper conveyance guide body 7 are shown separately, but
The upper conveyance guide plate 6 may be extended and integrated with the upper conveyance guide body 7 (FIGS. 2 and 3) to form the bent portion 7a, or the upper conveyance guide plate 6 alone may be used to form the bent portion 7a. It is okay to make something.

Figure 4 shows a configuration in which the vertical conveying device does not overlap with the feed chain even when the shortest culm position is 8'' when adjusting the length and shortness of the culm. 9 is configured so that the vertical conveyance device does not hit it,
The grain culm conveying device of the present invention is configured to function as intended.

8' indicates the position of the vertical conveyance device at the longest culm.

(f) Effects of the invention Since the invention is constructed as described above, it has the following effects.

That is, the stock base of the grain culm is transferred from the lower conveyance device 17 to the vertical conveyance device 8 and conveyed to the feed chain 9, and the tip portion is transferred between the upper conveyance tine 5 and the upper conveyance guide body 7 of the upper conveyance case 4. In a combine harvester transport device configured to engage and transport from the raising case 3 to the entrance iron plate 10, conventionally, there is an unavoidable momentary delay in the part where the stock head section is transferred from the lower transport device to the vertical transport device 8. , there is a blind spot where neither the lower conveyor nor the vertical conveyor is pinched, and the grain culms that enter this area are clogged with a large amount of grain culms at the tip, and are damaged due to the frictional force between the grain culms. If the condition is not such that it will not fall, the upper conveyance tines 5 of the upper conveyance case 4 and the upper conveyance guide body 7 are only engaged, so that the culm slips through downward. It was.

Particularly in this state, culm shedding was likely to occur when the amount of grain culm conveyed by the combine harvester was small at the beginning and end of mowing.

In the present invention, the rear end of the upper conveyance guide body 7 and the tip of the entrance iron plate 10 correspond to the portion where the tip portion is located near the time when the transfer from the lower conveyance device 17 to the vertical conveyance device 8 is carried out. Since the structure is configured so that a light pinching condition occurs in the portion, even if a moment occurs when the stock base is not pinched by either the lower conveying device 17 or the vertical conveying device 8, the grain culm will not slip downward. There isn't.

[Brief explanation of the drawing]

Fig. 1 is an overall side view of the combine harvester of the present invention, Fig. 2 is a side view of the grain culm conveying device, Fig. 3 is a plan view,
FIG. 4 is a drawing showing the positional relationship between the vertical conveyance device and the feed chain. 4...Upper conveyance case, 5...Upper conveyance tine, 6...Upper conveyance guide plate, 7...Upper conveyance guide body, 7a...Bending portion, 8...Vertical conveyance device, 1
0... Entrance steel plate, 10a... Downward bent portion at the tip,
17... Lower conveyance device.

Claims (1)

[Scope of utility model registration request] The stock base of the grain culm is transferred from the lower conveyance device 17 to the vertical conveyance device 8 and conveyed to the feed chain 9, and the tip of the grain is engaged between the upper conveyance tine 5 of the upper conveyance case 4 and the upper conveyance guide body 7. In the configuration in which the cuttings are transported from the lifting case 3 to the entrance iron plate 10, near the transfer position from the lower transport device 17 to the vertical transport device 8, the terminal end of the upper transport guide body 7 where the tip portion is located and the entrance iron plate 10 The terminal end of the upper conveyance guide body 7 is formed into a bent portion 7a extending in a direction perpendicular to the traveling direction along the tip of the handling cylinder entrance iron plate 10, and the tip of the entrance iron plate 10 also has a bent portion. A downward bent portion 1 at the tip is located opposite to 7a.
A grain culm conveying device for a combine harvester, characterized in that it is configured as 0a.