JPH0522047Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is based on the following methods: harvested and threshed culms with a combine harvester, shredded with a cutter, bundled with a dropper, and replaced with a dropper with a knotter. This invention relates to a switching device for a combine harvester waste culm processing device that can switch between various types of tying operations using a knotter.

(Prior art) Regarding the culm processing device of this type of combine harvester,
A cutter is attached to the rear of the threshing device, a dropper or a knotter is selectively attached to the rear of the cutter, and a mechanism for switching the conveyance path of the culm, a focusing frame opening/closing mechanism when the dropper is attached, a power transmission mechanism when the knotter is attached, etc. This is done by rearranging the

(Problem to be solved by the invention) As mentioned above, when changing over the culm processing device,
Each type of work differs greatly, requiring special preparation of processing equipment, and its assembly and changes to the operating system are extremely complicated. This invention is particularly aimed at making it easier to change the operating system when rearranging each processing device.

(Means for solving the problem) Locking parts 4, 4 are provided on both side frames 3, 3 of the cutter 2 attached to the rear part of the threshing device 1, and the engaging parts 7, 7 of the dropper 5 and the knotter 6 are engaged and released. The actuating arm 10 of the switching plate 9 that opens and closes the supply port 8 of the cutter 2 is pivotally supported on the cutter side frame 3.
Furthermore, the operating arm 10 has a connecting rod 12 that connects the focusing frame 11 of the dropper 5 so as to be openable and closable, and a connecting rod 15 that connects to the clutch operation arm 14 of a transmission device 13 that transmits power from the cutter 2 side to the notter 6 side. A switching device for a culm processing device of a combine harvester is constructed in such a manner that it can be alternatively attached and detached.

(Function of the invention) When the dropper 5 is attached to the cutter 2 attached to the rear of the threshing device 1 and the cutter 2 performs cutting work and the dropper 5 performs the focusing and discharging work selectively, the cutter 2's side frames 3, 3 Locking parts 4, 4
By locking the engaging parts 7, 7 of the dropper 5, the dropper 5 can be attached to the rear of the cutter 2, and the operating arm 10 and focusing frame 11, which are pivotally supported on the cutter side frame 3, can be opened and closed. connecting rod 12
Connect with.

First, when cutting a waste culm with the cutter 2, when the operating arm 10 is rotated in the direction of arrow A, the switching plate 9 is rotated in the direction of arrow B, opening the supply port 8 of the cutter 2, and opening the feed port 8 of the cutter 2. , the focusing frame 11 of the dropper 5 is rotated in the direction of arrow C via the connecting rod 12 to store the focusing frame 11. Therefore, the supplied waste culm is supplied from the supply port 8 to the cutter 2 and shredded.

Next, when performing the focusing and discharging work of the waste culm using the dropper 5, when the operating arm 10 is rotated in the opposite direction of the arrow A, the switching plate 9 is rotated in the opposite direction of the arrow B, and the supply port 8 of the cutter 2 is rotated. The culm to be closed and supplied is fed and guided to the rear dropper 5, and further, the focusing frame 11 of the dropper 5 is rotated in the opposite direction of the arrow C through the connecting rod 12, and the culm is received by the focusing frame 11. Perform focusing work.

In addition, when performing cutting work with the cutter 2 and binding work with the knotter 6, the connecting rod 12 is removed from the operating arm 10, and the locking parts 4, 4 of the both side frames 3, 3 of the cutter 2 are engaged with the dropper 5. Disengage the joints 7, 7 and remove the dropper 5.

Next, the engagement parts 7, 7 of the knotter 6 are attached to the both side frames 3,
The transmission device 13 is hung between the cutter 2 and the knotter 6, and the clutch operation arm 14 of this transmission device 13 is attached.
A connecting rod 15 connected to the actuating arm 10 is attached to the actuating arm 10.

In this state, in order to perform cutting work with the cutter 2, the operating arm 10 must be
When rotated in the direction of arrow A, the switching plate 9 is rotated to open the supply port 8, and the clutch operating arm 14 is also rotated in the direction of arrow D via the connecting rod 15 to cut off the power transmission to the knotter 6. . Therefore, the supplied culm can be shredded.

Next, when performing the binding work of the waste culms using the knotter 6, when the actuating arm 10 is rotated in the direction opposite to the arrow A, the switching plate 9 is moved in the direction opposite to the arrow B. The cutter 2 is rotated to close the supply port 8 of the cutter 2 and guide the supplied culm to the rear knotter 6. Furthermore, the clutch operation arm 14 is rotated in the opposite direction of the arrow 2 via the connecting rod 15 to close the supply port 8 of the cutter 2. The power from the side is transmitted to the knotter 6 side by the transmission device 13, and the supplied waste culm is bundled and discharged by the knotter 6.

(Effect of the invention) Since this invention is constructed as described above, when carrying out waste culm processing work using a combine harvester, it is possible to selectively replace the dropper 5 and the knotter 6 at the rear of the cutter 2 that performs the work of cutting the waste culm. In addition, the actuating arm 10 pivoted to the cutter side frame 3 is equipped with a connecting rod 12 that can open and close the focusing frame 11 of the dropper 5, and a connecting rod 12 that can connect the power to the cutter 2 side. Since the connecting rod 15 connected to the clutch operating arm 14 of the transmission device 13 that transmits the power to the knotter 6 side can be selectively attached and detached, the culm processing device can be easily rearranged, and the processing form can be changed. Changes can be made by the same operation, and workability is extremely good.

(Example) In the illustrated example, a cutter 2 is attached to a locking pin 16 and a locking bolt 1 at the rear of a threshing device 1 of a combine harvester.
7, it is detachably attached. The cutter 2 includes the side frames 3, 3, the rear wall 18, and the case 1 for releasing the culm.
9, etc., and a pair of rotating shafts 20, 20 are mounted between the frames 3, 3 on both sides, and the rotating shafts 20, 2
A plurality of cutting blades 21, 21 and scraping bodies 22, 22 are attached at regular intervals of 0, and the culm is supplied from the culm conveying device 23 through the supply port 8 in parallel to the axis of the rotating shaft 20. It is configured such that it can be cut and released from the release case 19 below.

The switching plate 9 is located on the upper surface of the supply port 8 of the cutter 2, and its rear side is fixed to the rotating shaft 24.
The supply port 8 is configured to be openable and closable by rotation of the supply port 8. Reference numeral 25 denotes a guide rod for the culm attached to the upper surface of the switching plate 9.

The dropper 5 is constituted by a framework of both side frames 26, 26 and a rear culm guide wall 27, and is also provided with a focusing frame 11. The focusing frame 11 has both side frames 26,
The mounting frame 29 is rotatably supported by pins 28, 28 fixed to the mounting frame 26, and a plurality of receivers 30, 30 are attached to the mounting frame 29. Also, 31
is a locking plate fixed to the mounting frame 29, and the locking plate 3
A spring 32 is hung between the side frames 26 of 1. Engaging portions 7, 7 are provided on both side frames 26, 26 of the dropper 5, and are engaged with the locking portions 4, 4 of the cutter side frames 3, 3, so that the dropper 5 can be attached to the cutter 2.
It is configured so that it can be attached to the rear.

The operating arm 10 is rotatably supported on a pivot shaft 33 fixed to one side frame 3 of the cutter 2, and has an operating rod 34 pivotally connected to one end, and a connecting rod 35 and a connecting rod 12 to the other end. It is pivotally connected. The other end of a rotating arm 36, which is the end of the rotating shaft 24 fixed to the switching valve 9, is pivotally connected to the upper end of the connecting rod 35.

Further, the other end of the connecting rod 12 is pivotally connected to a protrusion of a triangular rotating plate 38 that is provided on the side frame 26 of the dropper 5 and is rotatable about a pivot 37. A pin 40 is attached to the other protrusion of the frame 26, and the pin 40 is inserted inward through a long hole 39 formed in the side frame 26, and the pin 40 and the receivers 30, 30 of the focusing frame 11 are connected to each other. It is attached. 41 is a spring for returning the operating arm 10. 42 is a connecting pin between the operating arm 10 and the connecting rod 12.

First, when performing cutting work with the cutter 2, operate the operating rod 34 and rotate the operating arm 10 in the direction of arrow A, the connecting rod 35 and the rotating arm 3
The switching plate 9 is rotated in the direction of the arrow B together with the rotating shaft 24 via the rotating shaft 24 to open the supply port 8 of the cutter 2, and the rotating plate 38 is rotated via the connecting rod 12 to the rotating shaft 3.
The pin 4 is rotated via the pin 7 and fixed to the rotating plate 38.
0 is moved within the elongated hole 39. Therefore, the receiving rod 3 of the focusing frame 11 regulated by this pin 40
0 and 30 are rotated in the direction of arrow C by the restoring force of the spring 32 and stored. The culm conveyed by the culm conveying device 23 is supplied from the open supply port 8, and is passed through the scraping bodies 22, 22 and the cutting blades 21, 2.
1 and is shredded and discharged from the discharge case 19.

Next, when performing the work of converging the culms using the dropper 5, the operating arm 10 is rotated in the opposite direction of the arrow A, and the switching plate 9 is moved together with the rotating shaft 24 via the connecting rod 35 and the rotating arm 36. The supply port 8 of the cutter 2 is closed by rotating it in the direction opposite to the direction of the arrow B, and the guide rod 25 on the switching plate 9 and the discharged culm conveying device 23 are switched to enable supply of the discharged culm to the dropper 5.
Further, the rotating plate 38 is rotated about the pivot 37 by the connecting rod 12 connected to the operating arm 10, and the focusing frame 11 is rotated in the opposite direction of arrow C by the pin 40 fixed to the rotating plate 38. let Therefore, the supplied waste culm falls onto the receiving rods 30, 30 of the collecting frame 11, and when a certain amount accumulates, the collecting frame 11 is rotated downward around the pins 28, 28 against the spring 32 and released. do.

Next, when removing the dropper 5 and installing the knotter 6, first remove the connecting rod 12 of the dropper 5.
At the same time, remove the connecting pin 42 from the operating arm 10, and remove the dropper 5 from the cutter 2. Next, as shown in FIG. Attach it by locking it. Furthermore, the output pulley 4 of the cutter 2
3 and the input pulley 44 of the knotter 6, and a connecting rod 15 connected to the clutch operating arm 14 is pivotally connected to the end of the operating arm 10 by a pin 42.

4 in Figure 3 with Notter 6 installed.
3 is an output pulley, which is connected to the rotating shaft 2 of the cutter 2.
A transmission device 13 such as a V-belt is installed between the knotter 6 and the input pulley 44 of the knotter 6, and a tension clutch 45 is further provided to connect and disconnect the power of the transmission device 13. The tension clutch 45
is held by an operating arm 14 rotatably supported on a boss of a rotating shaft 20, and the operating arm 14 is further connected to the operating arm 10 via a spring 46 and a connecting rod 15.

Further, the knotter 6 itself is a known one, and
Mounting frame 47 to cutter 2, gearbox 48,
raking belt 49, packer 50, binding device 51,
It is composed of a discharge arm 52 and the like, and collects and bundles the supplied culms into a certain bundle.

When performing cutting work in this state, the actuating arm 10 is rotated in the direction of arrow A to switch the switching plate 9 in the same manner as described above, and the clutch operating arm 14 is rotated in the direction of arrow D via the connecting rod 15. Then, the tension clutch 45 interrupts the transmission of the transmission 13 and performs the cutting operation.

Next, when performing binding work using the knotter 6, the operating arm 10 is rotated in the opposite direction of arrow A to switch the switching plate 9, and the clutch operating arm 14 is rotated in the opposite direction of arrow N via the connecting rod 15. The transmission device 13 is tensioned by the tension clutch 45 for transmission.

The waste culms supplied by the waste culm conveying device 23 and the guide rod 25 are sent to a binding section by a scraping belt 49 and a packer 50, bound by a binding device 51, and discharged by a discharge arm 52.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side view with the dropper 5 attached, Fig. 2 is a side view after switching, and Fig. 3 is a side view of the dropper 6.
It is a side view of a state in which it is attached. In the figure, 1 is a threshing device, 2 is a cutter, 3 is a side plate, 4 is a locking part, 5 is a dropper, 6 is a knotter, 7 is an engaging part, 8 is a supply port, 9 is a switching plate, 10
1 is an operating arm, 11 is a focusing frame, 12 is a connecting rod, 1
3 is a transmission device, 14 is an operating arm, and 15 is a connecting rod.

Claims (1)

[Scope of utility model registration request] Locking parts 4, 4 are provided on both side frames 3, 3 of the cutter 2 attached to the rear part of the threshing device 1, and the engaging parts 7, 7 of the dropper 5 and the knotter 6 are configured to be freely engageable and detachable. An operating arm 10 of a switching plate 9 for opening and closing the supply port 8 is pivotally supported on the cutter side frame 3,
Furthermore, the operating arm 10 has a connecting rod 12 that connects the focusing frame 11 of the dropper 5 so as to be openable and closable, and a connecting rod 15 that connects to the clutch operation arm 14 of a transmission device 13 that transmits power from the cutter 2 side to the notter 6 side. A switching device for a culm processing device of a combine harvester, which is configured to be selectively attachable and detachable.