JPH0349622A - Discharged straw-carrying device of thresher - Google Patents

Abstract

PURPOSE:To readily remove clogged grain straws by transferring a discharged straw-carrying chain upwardly or laterally with an operation mechanism interlocked with the opening operation of an upper cover and returning the chain to the first position in a state interlocking with the closing operation of the upper cover. CONSTITUTION:A nipping lever 12 for carrying threshed straws is disposed on the lateral and outer side of a threshing chamber having a threshing cylinder 6 and a discharged straw-carrying chain 13 is disposed above the nipping lever 12 in a discharged straw-carrying device 11. When straws are clogged on the chain 13 and the upper cover 7 is opened, the downward pressing of springs 24 and 24 on the inner surface of the upper cover 7 is released and the discharged straw-carrying chain 13 is moved with the elastic force of the springs 25 and 25 upwardly with respect to the nipping lever 12, thereby permitting to simply remove the clogged straws. When the upper cover 7 is closed, the inner surface of the upper cover 7 presses down the springs 24 and 24 and the discharged straw-carrying chain 13 can be returned to the first position.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a threshing device such as a combine harvester. (Prior art) Conventionally, the handling barrel was fixed to a shaft 1, and the handling barrel was equipped with a tJ straw conveying chain, which was constructed of a lever for conveying the threshed straw and a tJ straw conveying chain installed in the -L section of the lever. A 11' vine conveying device for a threshing machine is known which is provided with a straw conveying device and an upper cover is provided on the top of the straw conveying device. (Problems to be solved by the invention) In the known method, when the amount of threshed tJ' straw is large,
A clogging phenomenon sometimes occurred at the starting end. If this clogged straw-discharging grain culm is removed, the straw-discharging conveying chain cannot be removed, so the pinning rod side must be removed. Therefore, Tsume J
: The work of removing clogged grain culms was very troublesome. This is what I did. (Means for Solving the Problem) Therefore, the present invention provides a handle 12 for transporting the threshed waste straw to the outside of the side of the handling barrel 6 and a part thereof. A straw removal conveyance device for a threshing device is provided with a straw removal conveyance device 11 consisting of a straw removal conveyance chain 13 provided at
The straw removal chain 13 is configured to move upward or horizontally by an operating mechanism that operates in conjunction with the opening operation of the upper cover 7, and is configured to move upward or horizontally by an operating mechanism that operates in conjunction with the closing operation of the upper cover 7. This is a straw conveying device for a threshing device that returns to its original position. (Example) To explain one embodiment of the present invention, 1 is a body frame of a combine harvester, etc., 2 is a traveling device provided below the body frame l, and 3 is a reaping device provided in front of the body frame l. Part 4 is a weeding body provided at the frontmost part of the reaping part 3. Reference numeral 5 denotes an automatic feeding type threshing device installed above the machine frame 1, and a handling barrel 6 is mounted in the threshing device 5.
Above the handling cylinder 6, an upper force 7 is provided to surround the upper part of the handling cylinder 6. The other side 10 of the upper cover 7 is rotatably attached to the machine body, and one side edge 9 of the upper cover 7 faces above the grain feeding device 8 provided on the side of the threshing device 5. Reference numeral 11 denotes a straw transporting device installed near the terminal end of the grain culm supply device 8, and is composed of a peg and a straw transporting chain 13 installed above the peg 12. The clamping rod plug is fixed to the upper end of the mounting shaft l4, and
4 is attached to the fuselage side so that it can move up and down. Mounting shaft 14.14
A spring 15 is provided on the outer periphery of the shaft to constantly bias the clamping lever so that it lands on the discharge chain 13. The straw removal chain! 3 is routed around a drive gear l7 and a passive gear 18 provided on the guide rail 16. The starting end of the discharge chain 13 faces above the terminal end of the grain culm feeding device 8 to form a transfer blade. The outer ends of mounting shafts 19 and 19 are fixed to the back side of the guide rail 16, and the inner ends of the mounting shafts 19 and 19 are bent upward into an L-shape to form a vertical shaft portion 20. Express 20. The vertical shaft portions are inserted into the cylindrical portions n and 2 so as to be movable up and down.
3 is the arm rod of the support arm 21 fixed to the fuselage side,
Fix it to the tip of the arm rod n. The upper end of the vertical shaft portion 20.20 is connected to the cylindrical portion n. 23, and a flange 24 is provided at the upper end of the vertical shaft part and the part.
．． Fix 24. The flanges 24, 24 and the cylindrical portion 23,
Attach a spring 25.25 to the outer periphery of the vertical shaft part between 23 and 23. The spring δ urges the straw conveying chain 13 to move upward from the clamping rod. Therefore, the upper cover 7 extends rearward so as to cover the upper part of the straw removal conveying device H, and when the upper cover 7 is in the working state, the inner surface of the upper cover 7 is
24, 24, and the straw conveying chain 13 is attached to the clamping rod 12 by the spring b. When the upper cover 7 is brought into the operating position by resisting the elasticity of the spring 25 and the upper cover 7 is opened, the spring 25
The straw removal conveying chain 13 is moved upward with respect to the pinning rod 12 by the elasticity of the straw removal device 11. good). FIG. 4 shows a transmission mechanism, where 26 is a bevel gear fixed to the shaft n of the driving gear 17, and 28 is a bevel gear. 26 is a bevel gear that meshes with the bevel gear, 29 is a pulley fixed to the axis of the bevel gear n, 31 is a pulley fixed to the handle body shaft 533 is a belt, 34 is a bevel gear, 35 is a bevel gear that meshes with the bevel gear, Aha. The input coupler 37 is a bevel gear box for the bevel gear κ and the bevel gear 28, and the bevel gear box is connected to the straw conveying chain 13.
It is configured so that it moves up and down according to the up and down movement of. In the figure, numeral 39 is a straw clogging sensor installed on the transfer blade. FIG. 5 shows a second embodiment, in which a contact member ω is provided on the inner surface of the upper cover 7, and when the upper cover 7 is closed, the contact member cut comes into contact with the upper surface of the flanges 24, 24. , the straw conveying chain 13 is clamped! 2 against the elasticity of springs 3 and 25, and when the upper cover 7 is opened, the straw removal conveying chain 13 is moved upward with respect to the clamping rod by the elasticity of the springs δ and 3. The abutting member powder is shaped by an elastic member to allow the straw removal chain 13 to move upward freely, and the clamping rod is fixed to the machine body. The above embodiment is
Although the straw removal conveying chain 13 is configured to move upward, it may also be configured to move laterally, and the shaft n of the drive gear 17 may also be moved laterally.
It may also be configured to rotate around . (Effects) Next, we will list the effects. Since the present invention has the above-mentioned configuration, when the aircraft moves forward, the weeds are divided by the weed splitting body 4, and the weeds are raised by the raising position '#A'.
The grain culms are collected by the front ear tip conveyance device and the front root root conveyance device, and are taken over by the grain culm supply device 8 of the automatic feeding type threshing device 5, and the grain culms are fed into the threshing chamber of the threshing device 5 with the tips of the grain culms, The roots are transferred to the grain culm supply device 8 and threshed, and the threshed waste straw is transferred to the grain culm supply device #! It is supplied to the straw removal conveyance device 11 provided at the end of I8, and is transported rearward by the straw removal conveyance device Nll. In the above case, when the amount of threshed waste straw was large, a phenomenon of clogging occurred at the starting end of 1 liter of the waste straw conveying device. In the present invention, the straw removal device l! The straw removal conveyance chain 13 has a guide rail 16 of the straw removal conveyance chain 13 that is
20, it is attached to the cylindrical part O, 23 of the support arm 2l so as to be able to move up and down, and the upper end of the vertical shaft part 4, 20 has 'r:i 24
, 24, and panel holes δ are provided in each of the longitudinal shaft portions between the flanges 24 and 24 and the tube, part 23, and the straw clogging detection sensor blades take over. When the clogged straw is detected and the upper cover 7 is opened, the downward pressure on the flanges 24 and 24 by the inner surface of the upper cover 7 is released, and the flanges 24 and 24 are moved by the elasticity of the springs δ and 25. move up,
The guide rail 16 is moved upward by the upward movement of the collars 24, 24, and the straw removal conveying chain 13 is moved upward relative to the clamping rod.
Therefore, simply by opening the upper cover 7, the straw removal conveying chain 13 is separated from the clamping rod, and clogged straw can be easily removed. Next, when the upper cover 7 is closed, the inner surface of the upper cover 7 comes into contact with the collars 24 and 24 and is pushed down, opening the straw removal chain! 3 is brought close to the clamping rod against the elasticity of the spring δ, 3, so that the straw removal conveying chain 13 approaches the clamping rod 12 and becomes the working position.

In the second embodiment shown in FIG. 5, an abutting member 40 is provided on the inner surface of the upper cover 7, and when the upper cover 7 is closed, the abutting member 40 comes into contact with the upper surface of the brim 24, 24. The straw conveying chain 13 is brought close to the clamping rod 12 against the external force of springs δ, 25, and the abutting members are formed of elastic members, so that the straw conveying chain 13 can freely move upward. Therefore, when a large amount of waste straw is supplied to the starting end of the straw removal conveyance chain 13, the straw removal conveyance chain 13 freely moves upward against the elasticity of the contact members. The vertical difference between the blade and the blade is reduced, and the transfer of the waste straw from the waste straw supply device 8 to the waste straw conveying chain 13 is improved. (Effects) Conventionally, the straw conveyance system consists of a peg for conveying the threshed straw and a straw conveyance chain installed above it to the outside of the side of the handling drum chamber in which the handling drum is pivoted. A straw removal device for a threshing machine is known, which is provided with a straw removal device and an upper cover provided on the top of the straw removal device. In the above-mentioned known method, when the amount of threshed waste straw is large, clogging may occur at the starting end.
When removing this clogged straw-discharging grain culm, the straw-discharging chain cannot be removed, so the pinning rod side must be removed, and the pinning rod side must be reattached to perform the threshing operation. As a result, removing clogged straw was extremely troublesome. However, the present invention provides a straw removal system which is provided outside the side of the handling barrel chamber in which the handling drum 6 is pivoted, and is comprised of a pinning rod 12 for transporting the threshed straw and a removal straw conveying chain 13 provided above it. Device 1
1, and an upper cover 7 is provided on the upper part of the mulberry removal conveyance device l1. 1!
The removal device is configured to be moved vertically or horizontally by an operating mechanism that operates when the upper cover 7 is closed, and returned to its original position by an operating mechanism that operates in conjunction with the closing operation of the upper cover 7. This is because it is a straw conveying device. Just by opening the upper cover 7, the straw removal conveying chain 13 moves against the clamping rod to form a gap and easily removes clogged waste straw, and by closing the upper cover 7, this In conjunction with this, the straw removal conveying chain 13 returns to its original position, which has the effect of allowing threshing work to be carried out.

[Brief explanation of drawings]

Figure 1 is a side view, Figures 2 and 3 are perspective views of the straw conveying device, Figure 4 is an explanatory view of the transmission mechanism, and Figure 5 is a perspective view of the second embodiment. Explanation of symbols

Claims (1)

[Claims] A straw conveying device 11 consisting of a pinning rod 12 for conveying the threshed straw and a straw conveying chain 13 provided above it is installed outside the side of the handling barrel chamber in which the handling drum 6 is pivoted. In the straw removal conveyance device for a thresher in which an upper cover 7 is provided on the upper part of the straw removal conveyance device 11, the straw removal chain 13 is moved up or down by an operating mechanism that operates in conjunction with the opening operation of the upper cover 7. A straw conveying device for a thresher is configured to move laterally and return to its original position by an operating mechanism that operates in conjunction with the closing operation of the upper cover 7.