JPH0534514Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention provides a pair of left and right mounting frames on the culm discharge side of the threshing device to support the binding device movably in the culm direction of the culm. The present invention relates to an improvement of a waste culm binding processing device in a combine that is provided with a transmission shaft and transmits power from the transmission shaft to a binding device.

Conventionally, in this type of culm binding device, as described in, for example, Japanese Utility Model Application Publication No. 56-15352 and Japanese Utility Model Application Publication No. 54-3463, a horizontal frame constituting the mounting frame of the binding device has been used. Although the binding device is movably supported by using the binding device, the transmission shaft that transmits power to the input shaft of the binding device is provided in the above-mentioned lateral direction and is independent of the frame.

For this reason, it is necessary to ensure a special space for installing the transmission shaft, and a separate anti-wrapping ring must be installed on the exposed transmission shaft to prevent it from getting wrapped around the exposed transmission shaft. As a result, the culm binding processing device becomes large in size and has a complicated structure.

In view of the above-mentioned circumstances, the present invention was devised in order to wipe out the drawbacks of the conventional method, and includes a binding device 2 that can be moved freely in the direction of the culm of the culm on the culm unloading side of the threshing device 1. In a combine harvester, a pair of left and right mounting frames 14, 14 are provided to support the threshing device 1, and a transmission shaft 22 in the culm direction that transmits power to the binding device 2 is disposed behind the threshing device 1. A winding transmission device 24b is provided on the side, and an input transmission means 25a is provided between the winding transmission transmission device 24b and the binding device 2 to maintain the transmission state of both regardless of movement of the binding device 2 toward the culm. The power is transmitted from the threshing device 1 side to the stock end side of the transmission shaft 22, and the power is transmitted from the tip side of the transmission shaft 22 to the binding device 2 via the winding transmission device 24b and the input transmission means 25a. On the other hand, the left and right mounting frames 14, 14 are connected and fixed by a horizontal intermediate support pipe 15, and the transmission shaft 22 is installed inside the support pipe 15, and the transmission shaft 22 is inserted from the binding device 2 toward the support pipe 15. A support member 21 having a fitting portion 21a at its tip is provided protrudingly, and the fitting portion 21a is slidably externally engaged with the support pipe 15, thereby supporting the binding device 2 with a transmission shaft 22 inside. It is characterized by being guided and supported movably in the direction of the culm by a pipe 15, and thereby,
Characteristics of the left and right sides of the binding device 2 The support pipe 15 for connecting and fixing the frames 14 and 14 has the function of a cover body for the transmission shaft 22 and a function as a movement guide body of the binding device 2. This makes it possible to make the culm binding processing device more compact and simplify the structure by eliminating the need to secure installation space for the culm and to install a ring to prevent wrapping of the culm. It is an object of the present invention to provide a culm tying processing device for a combine harvester that can smoothly guide culm 2.

The structure of the present invention will be described with reference to an embodiment shown in the drawings. Reference numeral 1 is a threshing device of a combine harvester, and a binding device 2 is installed on the culm discharge side of the threshing device 1. Reference numeral 3 denotes a conveying device for discarded culm bundles, which is disposed behind the binding device 2. The conveying device 3 is composed of opposing upper clamping rails and upper and lower conveying chains 5. The clamping rail 4 is formed of a starting end rail 6 on the conveyance starting end side, an intermediate rail 7 on the middle part, and a terminal end rail 8 on the terminal end side. Then, the starting end rail 6 and the intermediate rail 7
is pivotally supported via a pivot 6a, and the intermediate rail 7 and the end rail 8 are supported via a support shaft 7b located on a protruding portion 7a that protrudes upward from the end of the intermediate rail 7. It is pivoted so that it can swing freely. 9
is a rail support body, and a support rod 9a protruding from the starting end and the terminal end of the starting end rail 6 and approximately the middle of the intermediate rail 7 is loosely fitted into the rail support 9. 9a has a rail support 9
A coil bomb 9b is interposed between the clamping rail 4 and the clamping rail 4, thereby urging the clamping rail 4 downward. 10 is the middle rail 7 and the end rail 8
The tension bomb suspended between them, 11 is a chain cover of the conveying chain 5. Reference numeral 12 denotes a shelved culm carrying body for transporting the shelved culm backward from the threshing device 1, and 13 a guide rail that guides the shelved culm bundle toward the transport start end side of the transporting device 3.

Reference numeral 14 denotes a pair of left and right frames for attaching the binding device 2 and the conveying device 3 to the rear part of the threshing device 1 of the combine, and the mounting frames 14 are formed into a substantially right triangular shape when viewed from the side, as shown in FIG. left and right auxiliary plates 15a, 1 provided between the vertical frame 14a and the inclined frame 14b.
5b are connected and fixed by a horizontal hollow support pipe 15, and a horizontal frame 16 which also serves as a guide rail is fixed between the left and right lower frames 14c, 14c. A movable frame 17 is attached to the horizontal frame 16.
is supported so as to be movable laterally, and a transmission case 18 and a knotter case 19 are respectively fixed to both ends of the movable frame 17.
8 and 19 are connected and fixed via a horizontal connecting pipe 20. Then, from the transmission case 18, a support member 2 is provided which has a groove-shaped fitting portion 21a formed at its tip portion to be slidably externally engaged with the support pipe 15.
1 is provided in a protruding manner, and the support pipe 15 guides and supports the binding device 2 moving along the horizontal frame 16. A transmission shaft 22 is installed inside the support pipe 15, and a transmission belt 22b is attached to a pulley 22a fixed to one end of the transmission shaft 22.
is suspended so that power is transmitted from the threshing device 1 side of the combine to the transmission shaft 22. Reference numeral 24b denotes a winding transmission device, and the winding transmission device 24b includes a sprocket 24 rotatably supported on the auxiliary plate 15b, and a sprocket 22 fixed to the sprocket 24 and the tip side end of the transmission shaft.
c, and a transmission chain 24a suspended between both sprockets 22c and 24. Further, an input shaft 25 to the binding device 2 is provided between the transmission case 18 and the knotter case 19, one end of which is connected to a transmission mechanism (not shown) in the transmission case 18, and the input shaft 25 is connected to the sprocket 24. The input transmission of the binding device 2 is slidably inserted through the binding device 2, thereby maintaining the transmission state from the winding transmission device 24b to the binding device 2 regardless of the movement of the binding device 2 in the culm direction. Means 25a is configured. 26 is a knotter case 19 and a binding device 2
A drive shaft (not shown) is installed inside the protection pipe 26 to operate the sweeper 2a, etc. located at the joint. On the other hand, the other end of the input shaft 25 is connected to drive a sprocket (not shown) on the transport end side of the transport device 3 via a transmission shaft 27 covered by a support cylinder 27a.

20a is a transmission shaft installed in the connecting pipe 20, and 28 is a tightening device for the movable frame 17.

Next, the operation of the present invention configured as described above will be described. Now, the threshing device 1 of the combine is connected to one end of the transmission shaft 22 at the base side via the transmission belt 22b.
When power is transmitted from the input shaft 22, the power is transmitted from the tip of the transmission shaft 22, which is installed inside the support pipe 15, to the input shaft 22 via the winding transmission device 24b, i.e., the sprocket 22c, the transmission chain 24a, and the sprocket 24.
The power transmitted to the transmission case 18 through the input shaft 25 operates the packer, needle, etc. in the binding section of the binding device 2, and the power transmitted to the transmission case 18 is further passed through the transmission shaft 23 in the connecting pipe 20 and the protection pipe 26 extending laterally from the upper part of the knotter case 19.
The input shaft 25 drives the sweeper 2a and the like at the node of the binding device 2 by a drive shaft built in the input shaft 25. On the other hand, the power transmitted to the input shaft 25 drives the conveying device 3 via the transmission shaft 27. The binding device 2 and the conveying device 3 to which the power is transmitted in this manner move on the horizontal frame 16 integrally with the movable frame 17 while being guided and supported by the fitting portion 21a at the tip of the support member 21 protruding from the transmission case 18 of the binding device 2 being externally engaged with the support pipe 15, and while maintaining the transmitted state by configuring the input transmission means 25a, i.e., the input shaft 25 to be free to only slide within the sprocket 24, and this movement of the binding device 2 can displace the binding device in the direction of the stalk of the stalk. Thus, the discharged stalks discharged to the rear of the threshing device 1 by the discharged stalk discharge body 12 are bundled by the bundling device 2 at a predetermined amount with the bundling position movable in the stalk direction to become discharged stalk bundles, and the base side of the discharged stalk bundles are discharged rearward by the sweeper 2a. The discharged stalk bundles are then guided by the guide rail 13 and received at the conveying start end of the conveying device 3, and are conveyed by being clamped between the clamping rail 4 and the conveying chain 5, and are discharged to the conveying end side on the side of the already-cut land.

By the way, in the power transmission system as described above, the transmission shaft 22 that transmits the power from the threshing device 1 side to the binding device 2 is attached to the left and right mounting frames 14, 14.
Since the fitting part 21a of the support member 21 is externally engaged with the support pipe 15, the support pipe 15 is installed inside the support pipe 15 for connecting and fixing the mounting frames 14, 14. It has the function of a cover body for the transmission shaft 22 and a guide body that supports the binding device 2 and guides its lateral movement.
For this reason, as in the conventional culm bundling processing device, it is necessary to especially secure the installation space for the transmission shaft 22,
There is no need to provide a special culm wrapping prevention ring or the like to prevent wrapping of the waste culm or straw waste, and the binding device 2 can be smoothly moved laterally in the direction of the culm. Therefore, the culm bundling processing device can be made more compact and the structure can be simplified.

In short, the present invention provides a pair of left and right mounting frames 14 on the culm delivery side of the threshing device 1 to support the binding device 2 so as to be movable in the culm direction of the culm, and a pair of left and right mounting frames 14 on the rear side of the threshing device 1. In a combine harvester equipped with a transmission shaft 22 extending in the culm direction that transmits power to the binding device 2, a winding transmission device 24b is provided on the tip side of the transmission shaft 22, and a winding transmission device 24b is provided between the winding transmission device 24b and the binding device 2. are each provided with an input transmission means 25a that maintains the transmission state of both of them regardless of movement of the binding device 2 in the culm direction, and transmits power from the threshing device 1 side to the stump base side of the transmission shaft 22. 22 from the tip side of the winding transmission device 24b and the input transmission means 2.
5a to transmit power to the binding device 2, while the left and right mounting frames 14, 1
4 are connected and fixed by a horizontal hollow support pipe 15, the transmission shaft 22 is installed inside the support pipe 15, and a support member has a fitting part 21a at the tip extending from the binding device 2 toward the support pipe 15. 21
is provided protrudingly, and the fitting portion 21a is connected to the support pipe 15.
The binding device 2 is guided and supported by the support pipe 15 having the transmission shaft 22 therein so as to be movable in the culm direction, so that the binding device 2 is moved in the culm direction. However, the power transmission shaft 22 to the binding device 2 is connected to the support pipe 15 for connecting and fixing the left and right mounting frames 14, 14. It can have both the function of a cover body and the function of a support guide body for the binding device 2 that moves in the culm direction, thus eliminating the need for a special installation space for the transmission shaft 22. At the same time, it eliminates the need for measures to prevent culm wrapping, etc.
The culm binding processing device has been made more compact and has a simpler structure, making it lightweight and inexpensive.
This has an extremely useful practical effect of being able to smoothly guide and move the culm in the direction of the culm.

[Brief explanation of the drawing]

The drawing shows one embodiment of the culm binding processing device in a combine harvester according to the present invention,
The figure is a side view of the main parts of the device, Fig. 2 is a rear view of the same as above, Fig. 3 is a plan view of the same as above, Fig. 4 is a plan view of main parts of the mounting frame, and Fig. 5 is a cross section taken along the Y-Y line of Fig. 4. It is a diagram. In the figure, 1... threshing device, 2... bundling device, 14
...Mounting frame, 15...Support pipe, 21...
...Supporting member, 21a...Fitting portion, 22...Transmission shaft, 24b...Wrap transmission device, 25a...Input transmission device.

Claims (1)

[Scope of utility model registration request] A pair of left and right mounting frames 14, 14 are provided on the culm unloading side of the threshing device 1 to support the binding device 2 so as to be movable in the direction of the culm. In a combine harvester equipped with a transmission shaft 22 in the culm direction that transmits the
A transmission device 24b is wound around the tip side of the transmission shaft 22.
An input transmission means 25a is provided between the winding transmission device 24b and the binding device 2 to maintain the transmission state of both regardless of the movement of the binding device 2 in the culm direction. Power is transmitted from the threshing device 1 side to the stock side, and is transmitted from the tip side of the transmission shaft 22 to the binding device 2 via the wrapping transmission device 24b and the input transmission means 25a. The mounting frames 14, 14 are connected and fixed by a horizontal hollow support pipe 15, and this support pipe 1
5 has the transmission shaft 22 inside, and a fitting part 21 is provided at the tip from the binding device 2 toward the support pipe 15.
A protruding support member 21 having a shape is provided, and the fitting portion 21
The combine harvester is characterized in that the binding device 2 is movably guided and supported in the culm direction by the support pipe 15 having a transmission shaft 22 therein by externally engaging the binding device 2 in a slidable manner with the support pipe 15. culm bundling processing equipment.