JPS6254967B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a power switching device for an additional working machine in a main working machine such as a combine harvester, which is equipped with an additional working machine such as a tiller.

Conventionally, in this type of switching device, when a main working machine such as a combine harvester is equipped with an additional working machine such as a power tiller, and this additional working machine is operated at the same time as the main working machine, the engine power is insufficient. Therefore, a large amount of power is required. For this reason, when a high-output engine is installed, the engine's capacity becomes excessive for normal work using only the main working machine, which is not desirable in terms of engine efficiency.

The present invention is equipped with an engine with an output equivalent to that of the main working machine, and is provided with a supercharging device that pressurizes the intake air of this engine. By operating this supercharging device in conjunction with a switching device for switching operation, the supercharging device is stopped when only the main work machine is working, and work is performed at the normal engine capacity, and when the additional work machine is When working with the main working machine and the main working machine at the same time, the supercharger is activated to increase the engine's capacity. The purpose is to make it possible to operate the supercharging device at the same time, and to link the supercharging device with the switching device to facilitate the switching operation.
Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

In the figure, reference numeral 1 denotes a main working machine, which is a combine harvester in this embodiment. A threshing device 5 is provided on a traveling device 3, and a reaping device 7 is provided in front of the threshing device 5. 9 is a cockpit, and 11 is a control device. 13 is a link 15,
This is an additional work machine which is provided to be able to be raised and lowered by a cylinder 19 via a cylinder 17, and in this embodiment, a tiller is shown, which tilles the ground surface with rotatable tilling blades 21, 21, . . . . Reference numeral 23 denotes a clutch device for connecting and disconnecting the power for rotationally driving the tilling blade 21, and is constructed as follows. That is, 25 is a pulley driven by an engine 27 with an output corresponding to the main working machine 1, and 29 is a tiller blade 21, 2.
A pulley 33 is a tension pulley rotatably provided at the end of an arm 37 which is pivotably attached to a shaft 35, and is connected to a transmission shaft 31 for driving 1, . . . When it swings in the direction of arrow A, it presses the outer surface of the belt 39 that rotates around the pulleys 25 and 29 to connect power,
When swinging in the direction opposite to arrow A, the belt 39 is loosened to cut off power transmission. Reference numeral 41 denotes a bullet that urges the arm 37 in the direction opposite to arrow A. 43 is a supercharging device installed in the engine 27;
This increases the output of the Supercharging device 43
is structured as follows. That is, 45
49 is an exhaust turbine that communicates with the exhaust pipe 47 of the engine 27 and is rotated by exhaust gas; 49 is a compressor that communicates with the intake pipe 51 of the engine 27; The engine 27 is rotatably driven and compressed air is blown into the engine 27 to increase the output of the engine 27. Reference numeral 59 denotes a tension pulley rotatably provided at the end of the arm 63 which is pivotably mounted on the shaft 61;
When the belt 5 is swung in the direction of arrow B in FIG.
The outer surface of the belt 5 is pressed to transmit power, and when the belt swings in the direction opposite to the arrow B, the belt 55 is loosened to cut off the power. 65 is additional work machine 13
This is a switching device for switching and operating the power of the motor, and is configured as follows. That is, reference numeral 67 is an operating lever that is fixed at one end to a boss portion 71 that is rotatably fitted to a support shaft 69 that is fixed to the fuselage body, and is provided through a guide hole 75 provided in a guide plate 73. ing. 77, 79, 81 are above the guide hole 75,
This is a locking part located at the middle or lower position. Reference numeral 83 denotes an actuating plate fixed to the boss portion 71, to which one end of a wire 87 is connected via an adjusting nut 85. The other end of the wire 87 is connected to the arm 37 via a bullet 88. Reference numeral 89 denotes a boss portion which is disposed on the support shaft 69 in parallel with the boss portion 71 and is rotatably fitted therein;
1 is fixedly provided. 93 is the operating plate 91
A wire is connected at one end to the arm 63 via an adjustment nut 95, and the other end is connected to the arm 63.
97 is a stopper that engages with the locking piece 99 of the actuating plate 91, and when the operating lever 67 is in the position of the locking part 79, that is, in the position where the arm 63 is rotated in the opposite direction to arrow B, the actuating plate 91 is engaged with the locking piece 99 of the actuating plate 91. It regulates the movement of Reference numeral 101 denotes a locking piece provided on the actuation plate 91, which engages with the actuation plate 83 when the operating lever 67 is in the position of the locking portion 79, that is, when the tension pulley 33 presses the belt 39; When the operating lever 67 is further moved in the direction of the locking portion 81, the actuating plate 91 is configured to swing upward.

In the above configuration, in order to operate only the main working machine 1, a separate operation is performed using the control device 11. At this time, the operating lever 67 is
The tension pulley 59 is disengaged from the belt 55 and the supercharging device 43 is not operating. Further, the additional work machine 13 is in a raised position,
Further, the tension pulley 33 is detached from the belt 39 and the additional working device 13 is not operating.

When operating only the additional work machine 13,
Place the reaping section 7 in the raised position and press the operating lever 67.
When the lever is moved to the position of the locking portion 79, the actuating plate 83 swings upward, the wire 87 is pulled, the arm 37 rotates in the direction of arrow A in FIG. The additional working device 13 is activated by pressing . Next, when the main work machine 1 is operating and the additional work machine 13 is to be operated, the operation lever 67 is moved to the locking part 81 position, and the tension pulley 33 presses the belt 39. Then, the ammunition 88 is extended and the actuating plate 83 is further raised. Therefore, the actuating plate 83 engages with the locking piece 101 to rotate the actuating plate 91 upward, and the wire 93 is pulled, causing the arm 63 to rotate in the direction of arrow B in FIG. Shion pulley 59
presses the belt 55, the power of the exhaust turbine 45 is transmitted to the compressor 49, the supercharger 43 is operated, and the output of the engine 27 is increased.

As described above, the present invention provides a main working machine equipped with an additional working machine, which is equipped with an engine with an output corresponding to that of the main working machine, and when the additional working machine and the main working machine are operated simultaneously. The power switching device for the additional working machine operates the engine supercharging device in conjunction with the switching device for switching and operating the power of the additional working machine, so there is no need to install a high-output engine. , the additional work machine and the main work machine can be operated simultaneously, and the switching operation can be easily performed.

It should be noted that the present invention is not limited to the above-mentioned embodiments, but can be implemented in other embodiments as well.

[Brief explanation of the drawing]

Fig. 1 is a side view of a combine harvester equipped with a device according to the present invention, Fig. 2 is a perspective view of an embodiment of the present invention, and Figs. 3 and 4 are side views and front views of main parts. It is a diagram. Explanation of the symbols representing the main parts of the drawing, 1...
Main working machine, 13... Additional working machine, 27... Engine, 43... Supercharging device, 65... Switching device.

Claims (1)

[Claims] 1 In the main work machine 1 equipped with the additional work machine 13, an engine 27 with an output corresponding to the main work machine 13 is mounted, and when the additional work machine 13 and the main work machine 1 are operated simultaneously, the A power switching device for an additional working machine, characterized in that the supercharging device 43 of the engine 27 is operated in conjunction with a switching device 65 for switching and operating the power of the additional working machine 13.