JPH0520125Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to an improvement of a decomposition accelerator spraying device for a combine harvester.

Conventional technology It is well known that when grain culms are harvested, spraying decomposition accelerators such as lime nitrogen on the waste culms will speed up the rotting of the waste culms, allowing them to rot sufficiently until next spring, thus acting in the same way as compost. It has also been proposed that a combine harvester is equipped with a decomposition accelerator sprayer to spray the decomposition accelerator onto the cut culms that have been shredded by a cutter. In such a device, it is also considered that a sensor for sensing the flow of the culm is provided in the machine body to automatically operate the motor of the spreader.

Problems that the invention aims to solve However, simply installing a sensor that detects the flow of the culm will only work when the cutter is used in a combine harvester equipped with multiple culm post-processing devices such as a cutter, a notter, and a dropper. For example, if you want to stop the spraying when using a knotter, you will need a separate switch to stop the spraying, which will complicate the structure and make it inconvenient to handle.

Means for Solving the Problems Therefore, the present invention provides a culm post-processing device such as a cutter or a knotter having a culm passage switching body that switches the culm passage to the culm cutting side or the non-cutting side, and a culm post-processing device such as a cutter or knotter, In a combine harvester equipped with a sprayer that sprays a decomposition accelerator onto the cut culm, the culm sensor detects the flow of the culm toward the culm post-processing device and turns on the switch, and the cutter usage status is detected. A cutter sensor that turns on the switch is installed on each machine, and the exhaust culm sensor and cutter sensor are
Both sensors are arranged in series so that the drive section of the spreader is activated when turned ON, and the cutter sensor is linked to the switching operation of the culm passage switching body, so that the culm passage switching body is operated to cut the culm. It turns ON when switched to the non-cutting side, and turns ON when switched to the non-cutting side.
This is an attempt to solve the above problem by configuring the switch to be turned off.

Function When using the cutter, the threshed waste culm is fed to the cutter side, so the switch of the waste culm sensor is activated.
On the other hand, the cutter sensor also senses the usage status of the cutter and turns on the cutter sensor switch, which activates the drive unit of the spreader and removes the cut culms that are shredded by the cutter and released into the field. A decomposition accelerator is sprayed on the In addition, when binding waste culms using a waste culm post-processing device other than a cutter, such as a knotter, the cutter is of course not in use, so the cutter sensor switch cannot be turned on.
Even if the culm sensor is in the OFF state and the culm sensor is in the ON state, the drive unit of the spreader does not operate and the spraying to the bundled culm is not performed.

Embodiment Figures 1 and 2 are a plan view and a side view showing the structure of the rear side of the combine, in which 1 is a threshing section, 2 is a feed chain, and 3 is a straw removal chain. A cutter 4 is arranged, and a knotter 5 is arranged behind the cutter 4.

Reference numeral 6 denotes a culm passage switching body that switches the culm passageway to the culm cutting side or the non-cutting side, which is raised and lowered by operating the switching lever 7 to direct the culm conveyed by the straw removal chain 3 to the cutter 4 side or the notter 5. It is designed to be selectively delivered to the side. The switching lever 7 and the knotter clutch 9 provided on the shaft end side of the knotter drive shaft 8 are interlocked and connected via a link 10, a spring 11, a bell crank 12, etc. When set to the culm cutting side), the knotter clutch 9 is disengaged, and when set to the notter ``use'' side (culm non-cutting side), the knotter clutch 9 is engaged. 13 is a mounting frame for fixing the knotter 5, and this mounting frame 13
is attached to the fixed frame 14 so that its position can be changed in the width direction of the machine, and by rotating a lever 15, it can slide left and right integrally with the knotter 5.

Reference numeral 16 denotes a dispersion accelerator dispersion machine disposed below the knotter 5, which is composed of a tank 17 for storing a decomposition accelerator such as lime nitrogen, a feeding roller 18, a driving part 19 such as a motor, and a guide skirt 20. A fulcrum shaft 21 whose side is fixed to the knotter mounting frame 13
The other side is removably locked to the mounting frame 13 via a fastener 22. When discharging the decomposition accelerator into the tank 17 of the sprayer 16, the fastener 22 is removed and the sprayer is rotated rearward about the fulcrum shaft 21 (see FIGS. 2 and 4).

Reference numeral 23 denotes a waste culm sensor provided in the middle of the straw removal chain 3 in the transfer direction, which senses the flow of waste culm due to the transfer action of the straw removal chain 3 and turns on the switch 24. Reference numeral 25 denotes a cutter sensor that detects the operating condition of the cutter 4 and turns on the switch. This turns the cutter sensor 25 ON. The above culm sensor 23 and cutter sensor 2
5 are arranged in series as shown in the electrical circuit diagram of FIG.
When turned on, the drive unit 19 of the spreader 16 is activated.

Incidentally, in the present embodiment, the cutter sensor 25 is provided near the knotter clutch 9, but the cutter sensor 25 is provided near the switching lever 7, and the cutter sensor 25 is connected to the exhaust culm passage operated by the switching lever 7. It is linked to the switching operation of the switching body 6, and turns ON when the culm passage switching body 6 is switched to the culm cutting side, and when it is switched to the non-cutting side.
It may be configured to be OFF.

In the figure, 26 is the lid of the tank 17, 27 is the hinge,
28 is a bomb, 29 is a crawler traveling device, and 30 is a guide cover for the cut culm a cut into pieces by the cutter 4.

In the above configuration, if the switching lever 7 is now set to the cutter "use" side (culm cutting side),
The cutter 4 operates, the discharge culm passage switching body 6 stands up, and the discharge culm passage toward the cutter 4 side is selected, and the clutch pawl 9a of the knotter clutch 9 is connected to the other clutch pawl 9b via the link 10, bell crank 12, etc. The knotter clutch 9 is disengaged as it moves away from the point. Therefore, the transmission of power to the cutter 5 is cut off and the cutter sensor 25 is switched off.
It becomes ON. When reaping work is performed in this state, the waste culm after being threshed by the threshing section 1 is transferred to the rear of the machine by the straw removal chain 3, and the waste culm sensor 23 detects the flow of the waste culm, and the switch 24 is turned on. Become.
Culm sensor 23 and cutter sensor 25 are ON
When this occurs, the drive unit 19 of the spreader 16 is activated and the delivery roller 18 is rotated, so that the decomposition accelerator in the tank 26 is automatically sprayed onto the cut culm a that has been shredded by the cutter 4 and released into the field. Ru.

In addition, when bundling the culms, the switching lever 7
is set to the knotter "use" side (the side where the culm is not cut), but this causes the switching plate 6 to fall down and select the culm passage to the knotter 5 side, and the knotter clutch 9 is engaged and the cutter sensor 25 is turned off. becomes. By the way, even when the knotter 5 is used, the switch 24 of the culm sensor 23 is activated due to the flow of the culm.
is in the ON state, but since the exhaust culm sensor 23 and cutter sensor 25 are electrically connected in series, the drive unit 19 of the spreader 16 does not operate.
Therefore, during the bundling operation, the decomposition accelerator is not sprayed onto the bundling culms.

In this way, the decomposition accelerator is not sprayed when the cutter is not in use, but is sprayed only when the cutter is in use, so that erroneous operations such as spraying onto the bundled culm are reliably prevented. In addition, the drive unit 19 of the spreader 16 can be operated only by operating the switching lever 7 to select the cutter 4 side or the notter 5 side for the discharge culm passage.
Since this is automatically controlled, the sprayer 16 can be handled easily and quickly, and there is no need to separately provide a switch for stopping spraying, thereby simplifying the structure.

In addition, when cutting and bundling the culms are performed alternately one step at a time depending on the work style, the lever 15 is rotated to slide the spreader 16 in the machine width direction.
By changing the set position, it is possible to spray at the optimum position. The same applies when the dispersion state of the cut culms a changes due to the weight of the material. This eliminates wasteful spraying and allows the decomposition accelerator to always work effectively.

Although this embodiment has been described with reference to a combine harvester equipped with a cutter 4 and a knotter 5, the present invention can also be applied to a combine harvester equipped with a cutter 4 and a dropper (not shown).

In summary, the present invention provides a culm post-processing device such as a cutter or a knotter having a culm passage switching body that switches the culm passageway to the culm cutting side or the non-cutting side;
In a combine harvester equipped with a sprayer that sprays a decomposition accelerator onto the cut culm that has been shredded by a cutter, the culm sensor and cutter turn on the switch when it detects the flow of the culm toward the culm post-processing device. A cutter sensor is installed on each machine that detects the state of use and turns on the switch, and both sensors are arranged in series so that when the culm sensor and cutter sensor are each turned on, the drive section of the spreader is activated. At the same time, the cutter sensor is linked to the switching operation of the culm passage switching body, so that it is turned ON when the culm passage switching body is switched to the culm cutting side, and OFF when it is switched to the non-cutting side. Because of this structure, it is possible to reliably prevent erroneous operations such as spraying the decomposition accelerator onto the bundled culms, and the sprayer can be handled easily and quickly.Moreover, there is no switch to stop spraying, etc. Since no separate installation is required, the structure can be simplified, and the cutting of the culm (cutter operation) and non-cutting (knotter operation) can be done frequently in the same field, for example, in one stroke. Even in work where the switch is switched between each stage (this is widely done in actual work, in order to prevent the amount of cut straw being returned or because it is necessary to collect some of the straw for use), it is necessary to manually switch the switch each time. in
There is no need to turn it on and off, and the dispersion accelerator can be sprayed and stopped automatically simply by switching the switch, eliminating the possibility of operational errors such as forgetting to press a switch. ,
Moreover, it has the effect of greatly increasing work efficiency.

[Brief explanation of the drawing]

Figure 1 is a rear view of the combine equipped with the present invention, Figure 2 is a plan view of the same as above, Figure 3 is an exploded perspective view of the main parts, Figure 4 is a side view of the main parts, and Figure 5 is the spreader. FIG. In the figure, 4 is a cutter, 5 is a knotter, 6 is a discharge culm passage switching body, 16 is a spreader, 19 is a drive part of the spreader, 23 is a discharge culm sensor, 24 is a switch, 25
is the cutter sensor, and a is the cut culm.

Claims (1)

[Scope of utility model registration request] A culm post-processing device such as a cutter or notter that has a culm passage switching body that switches the culm passage to the culm cutting side or non-cutting side, and a spraying device that sprays a decomposition accelerator to the cut culm that has been shredded by the cutter. In a combine harvester equipped with a cutter, the machine is equipped with a culm sensor that detects the flow of waste culm to the waste culm post-processing device and turns on the switch, and a cutter sensor that detects the usage status of the cutter and turns on the switch. The sensors are arranged in series so that when the exhaust culm sensor and the cutter sensor are respectively turned ON, the drive section of the spreader is activated, and the cutter sensor is configured to operate the switching operation of the exhaust culm passage switching body. A decomposition accelerator dispersion device for a combine harvester, characterized in that the decomposition accelerator dispersing device for a combine is configured so that the culm passage switching body is connected to each other and is turned ON when the switching body is switched to the culm cutting side, and turned OFF when the culm passage switching body is switched to the non-cutting side.