JPH0361401B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a seedling planting device for a rice transplanter.

[Prior art]

Conventionally, as shown in Utility Model Application Publication No. 55-99620,
Some plants stop the vertical seedling feeding mechanism by cutting off the driving cam of the vertical seedling feeding mechanism by turning off a planting clutch that is configured to turn on/off the transmission for each group of planting devices.

[Problem to be solved by the invention]

However, in the conventional example described above, several drive cams must be mounted on the drive shaft and the drive of each drive cam must be cut off individually, which is complicated and can cause failures and malfunctions. However, the production cost was also high.

[Means to solve the problem]

This invention has taken the following technical measures for the purpose of solving the problems of the above-mentioned conventional example.

In other words, a planting clutch configured so that transmission can be turned on and off for each planting device or each group of planting devices, and a belt that transfers the seedlings mounted on the seedling stand toward the planting device side. A rice transplanter characterized in that the feeding device and the rice transplanter are configured in such a manner that, due to the disengagement operation of the planting clutch, the feeding belt of the corresponding belt feeding device is loosened and the feeding action becomes inactive. This is a seedling planting device.

[Function and effect of the invention]

This invention is constructed so that when the planting clutch is disengaged, the corresponding feeding belt of the belt feeding device is loosened and the feeding action becomes inactive. If you cut the planting clutch at the time of planting and set a row where no planting will take place, you can stop the transfer of seedlings with a simple and inexpensive configuration of loosening the feed belt, and the underside of the seedlings will be scratched and the roots will This prevents damage to the seedlings and compression of the seedlings, which causes fluctuations in the number of seedlings to be planted.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS A four-row riding type rice transplanter, which is an embodiment of the present invention, will be described in detail based on the drawings.

Planting claws 3a, 3b, 3 for separating seedlings and planting them in the field are installed at the rear of the machine body 2 equipped with running wheels 1.
The four planting devices 3 having the numbers c and 3d are provided so as to reciprocate up and down via a drive shaft. Planting clutches 6a, 6b, etc. that turn on/off the power supply are provided in the power transmission path 5 to each planting device 3, and interlocking wires 8, They are configured to be interlocked so that they can be operated intermittently via a shifter 9 or the like.

Reference numeral 10 indicates a float, and reference numeral 11 indicates a seedling platform, which is configured to be able to reciprocate in the lateral direction in connection with the planting operation of each of the planting devices 3.

The seedlings loaded on the seedling platform 11 are transferred to the planting device 3...
A belt feeding device 12 for sideward transport is provided. This belt feeding device 12 is composed of a feeding belt 15 that is stretched around a driving pulley 13 and a driven pulley 1, and a supporting arm 16 of the driven pulley 14 is configured to be swingable around a pivot point P. The support arm 16 is always urged toward the seedling feeding path by the spring 17 via the switching rod 18, and when the driven pulley 14 swings toward the seedling feeding path, the feeding belt 15 is tensioned.
On the other hand, if it is displaced to the non-feeding path side, the feed belt 1
5 is constructed so that it can be loosened.

and the switching rod 18 that switches the feeding belt 15 between a feeding state and a non-feeding state;
The ridge planting clutch lever 7 is interlocked with the ridge planting clutch lever 7 via an interlocking wire 19, so that when the ridge planting clutch lever 7 is operated in the off direction, the feed belt 15 is brought into a non-feeding state.

Reference numeral 20 denotes a seedling out detection sensor, which is electrically connected to blink a warning light 21 when the number of seedlings in the seedling stand 11 decreases to a predetermined amount, and also switches the belt feeding device 12 to a non-feeding state. The switching rod 18 and the sensor 20 are connected via a spring 22 so that when the seedling breakage detection sensor 20 is in a non-detecting state.

Next, the operation of the four-row riding rice transplanter configured as described above will be explained. Seedlings are placed on the seedling stand 11, and rice transplanting is started while a predetermined device is operated by the prime mover.

The seedling table 11 moves back and forth in the horizontal direction, and the seedling table 11
The seedlings inside are transferred by the belt feeding device 12 toward each planting device 3... side, while the seedlings are transferred to the planting device 3... side by the belt feeding device 12.
The crops are divided as appropriate and planted in the field.

By the way, when setting a row where no planting is to be done at the edge of a ridge, the operator stops the operation of the planting devices 3 as necessary, but for example, if one of the planting devices 3... When the planting device 3 of the two planting claws 3a is stopped by disengaging the clutch with the ridge planting clutch lever 7, the belt feeding device 12 of the seedling stand corresponding to this planting placement 3 is in a non-feeding state in relation to this. This prevents the underside of the seedlings from being scratched unnecessarily and damaging the roots, and from compressing the seedlings and causing fluctuations in the number of plants to be planted, allowing for proper rice planting work.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a side view, FIG. 2 is a side view of the main part, and FIG. 3 is a partially sectional rear view of the main part. In addition, the code 3 in the figure is a planting device, 6a, 6b...
11 is a planting clutch, 11 is a seedling stand, 12 is a belt feeding device, and 15 is a feeding belt.

Claims (1)

[Claims] 1 A planting clutch that is configured to turn on/off power transmission for each planting device or each group of planting devices, and a belt feeder that transfers the seedlings loaded on the seedling stand toward the planting device. A rice transplanter characterized in that the rice transplanter is constructed in such a manner that the feeding belt of the corresponding belt feeding device is loosened due to the disengagement operation of the planting clutch so that the feeding action becomes inactive. Seedling planting equipment.