JPH0232010Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is equipped with a fertilizer application device that includes an auxiliary tank for delivering fertilizer near the planting site of the planting device, a main tank that supplies powdered fertilizer to the auxiliary tank, and a fertilizer conveyance device. Regarding rice transplanters.

In the above-mentioned rice transplanter equipped with a fertilization device, the device for conveying powdery fertilizer from the main tank 7 to the auxiliary tank 8 has been conventionally constructed by connecting both tanks 7 and 8 via a flexible pipe 25, as shown in FIG. A spiral rotating body 34 for transporting fertilizer made of a spring wire and interlocked with a motor 33 was inserted into the conduit 25 so as to communicate with each other. However, in order for the spiral rotating body 34 to rotate smoothly within the conduit 25, it is necessary to prevent the conduit 25 from having a small radius of curvature or from being bent at many points. Due to restrictions on the positional relationship between the tank and the auxiliary tank 8,
There is a drawback in manufacturing that the entire rice transplanter with a fertilization device cannot be designed as desired, and furthermore, since the conduit 25 and the spiral rotating body 34 rotate in contact with each other, it cannot withstand long-term use and has a drawback in terms of life. It was hot.
Furthermore, since the helical rotary body 34 was configured to be driven and stopped individually and artificially, the driving and stopping operations were not performed at appropriate timings, causing problems with the helical rotary body 34 due to clogging due to excessive supply. There was a risk that fertilization would occur or that fertilization would not be carried out due to a lack of supply.

In view of the above points, the present invention improves the fertilizer conveying device so that the positional relationship between the main tank and the auxiliary tank can be freely selected, and also makes the conveying device durable for long-term use. The aim is to ensure that fertilizer is supplied in just the right amount.

The characteristic configuration of the present invention is that in the above-mentioned rice transplanter with a fertilization device, the fertilizer conveying device is connected to a pipe line connecting both the tanks and to an upper side of the pipe line for supplying air for pressurizing the fertilizer. A device is provided on the upstream side of the discharge path of the main tank or the pipe line, and the fertilizer supply intermittent device is in a supply stop state when the driving of the planting device is stopped. In addition, a linkage operation mechanism is provided which brings the planting device into a supplying state or a supplyable state when the planting device is in a driving state.

The effects of the characteristic configuration of the present invention are as follows.

In other words, by pneumatically transporting fertilizer from the main tank to the auxiliary tank, even if the transport pipe is bent quite sharply or in many places, fertilizer clogging can be prevented with the desired and simple structure, and fertilizer can be reliably supplied. As a result, each tank can be freely installed in the most appropriate position, taking into account the balance of the vehicle body, workability when replenishing fertilizer, etc., and the overall design of a rice transplanter with a fertilization device can be rationalized. I started to do that.

Furthermore, since there is no mechanically movable part for conveying the fertilizer in the pipe, the conveying device can be made to have extremely low friction and excellent durability.

Furthermore, the device that intermittents the supply of fertilizer from the main tank to the auxiliary tank is operated in conjunction with the planting device as described above to ensure a reliable supply of fertilizer during planting operations and to ensure that fertilizer is supplied when not planting. Since the structure is configured to stop the fertilizer supply at any time, it is possible to reliably eliminate excess or shortage of fertilizer supply due to incorrect operation or forgetting to operate, and to ensure a good system without problems with the fertilizer transport system due to oversupply or insufficient fertilization due to insufficient supply. Now I can do my work more reliably.

Next, examples will be shown.

As shown in FIG. 1, a pair of left and right driving front wheels 1
and a traveling body A equipped with a pair of left and right driving rear wheels 2.
A planting device B for planting five rows is connected to the rear of the device via one top link 3 and a pair of left and right lower links 4 so that it can be raised and lowered by a hydraulic cylinder 43, and in the planting device B, a planting transmission case 39 It is equipped with 103 soil leveling floats 11 of 103 seedling stands tilted forward, and 5 planting claws 12 which are reciprocated and circulated between the seedling take-out opening of each seedling stand 10 and the mud surface. , a driving unit 6 and a spare seedling stand 9 are provided on the front side of the traveling body A, a transmission 42 is provided in the center of the traveling body A, and a main tank 7 for storing fertilizer is provided in the space around the driver's seat 14. An auxiliary tank 8 attached to the seedling stand support 5 of attachment device B, and a fertilizer application device C equipped with a trencher 22 and the like below the tank are arranged to constitute a riding-type rice transplanter capable of applying fertilizers. .

To explain the above-mentioned fertilization configuration in more detail, as shown in FIGS. 2 and 3, the granular fertilizer supplied to the main tank 7 is supplied to the auxiliary tank 8 by opening the swingable lid 40. To configure the conveyance device D, a conduit 25 formed by a hose or a pipe extends between the lower part of the main tank 7 and the upper part of the auxiliary tank 8.
At the same time, an air supply port 28 is provided at the starting end side of the conduit 25 for blowing out air supplied by an air supply pipe 27 from an air supply device 26 disposed below the driver's seat 14. The fertilizer that naturally flows down from the tank 7 is transferred to the pipe 2 by air from the air supply port 28.
5, so that even if the pipe line 25 is sharply and complicatedly bent, it can be reliably transported to the auxiliary tank 8.

In addition, a slide shutter 32 is provided to intermittent the supply of fertilizer from the main tank 7, and an interlocking wire 36a connected to a lever 41 that operates the drive/stop of the planting device B allows the shutter 32 to be operated during planting work. opens and shutter 3 is activated when planting work is stopped.
2 is configured to close. In addition, operation lever 4
1, so as to connect and connect the interlocking wire 36b connected to the planting clutch (not shown) provided in the transmission 42 that drives and stops the planting device B.
In addition, the wire 36c is connected to the hydraulic cylinder 4 where the float 11 raises and lowers the planting device B in accordance with the field height.
3, and is connected to a hydraulic control valve 44 via a lever 41 so that it can be raised and lowered manually.

The auxiliary tank 8 is configured to separate fertilizer and air using a cyclone separation function and to exhaust only air from the exhaust port 30. A fertilizer delivery roll 20 that is rotated by a chain transmission mechanism 24 as the planting device B is driven, and a row number selection shutter 21 that is interlocked with the planting device B.
The five furrowers 22 arranged correspondingly to each planting location are connected to the auxiliary tank 8 through separate fertilizer supply pipes 23, and the furrowers 22 that need to be fertilized according to the number of planting rows are connected. The container 22 is configured to supply fertilizer to the container 22 by gravity and apply the fertilizer into the groove.

As shown in FIGS. 4 to 6, in order to attach the driver's seat to the driver's seat support member 15, the rear support part 16a is rotatably supported in the front-rear direction, and the front support part 16b is attached to the driver's seat support member 15. A lock pin 17 attached to a circular hole 18 provided in the driver's seat support member 15 is passed through a cylindrical hole 19 formed therein. Further, the lock pin 17 is attached so as to be slidable against the spring 31, and the lock pin 17
7 has a thick part 17a and a thin part 17b, and when the lock pin 17 is pulled, the thin part 17b
is penetrated through the cylindrical hole 19, so that the driver's seat 14 can swing vertically, and the state where the thick portion 17a is maintained through the cylindrical hole is maintained by the spring 31, so that the driver's seat 14 can be fixed. configure,
Therefore, the driver can easily change the posture of the driver's seat 14.

Next, another example will be shown.

As shown in FIG. 8, it is convenient to be able to change and adjust the insertion amount of the air supply pipe 27, so that the amount of fertilizer conveyed from the main tank 7 to the auxiliary tank 8 can be adjusted in accordance with the amount of fertilizer applied.

To intermittent fertilizer supply, as shown in Figure 7,
A rotary body 37 for feeding out fertilizer may be provided, and a switch (not shown) of a motor 38 for driving the rotary body may be opened and closed in conjunction with the lever 41, and other operations such as operation/stopping of the air supply device 26 and damper Various configurations can be used, such as opening/closing the pipe line 25 using the fertilizer supply disconnection device 32 and moving the removable air supply pipe 27 as shown in FIG.
Collectively referred to as 37.

Various mechanical means such as rods and links, or various electric and hydraulic means can be used as the link operation structure for the fertilizer supply intermittent devices 32 and 37, and these are collectively referred to as the link operation mechanism 36a.

[Brief explanation of the drawing]

Figures 1 to 8 show an embodiment of a rice transplanter with a fertilization device according to the present invention, where Figure 1 is an overall side view, Figure 2 is a perspective view of the main parts, and Figure 3 is a vertical cross-section of the main parts. figure,
Fig. 4 is a side view of the driver's seat, Fig. 5 is a perspective view of the main parts of the driver's seat, Fig. 6 is a sectional view of the main parts of the driver's seat, and Figs. 7 and 8 are main parts showing different embodiments. FIG. FIG. 9 is a partially cutaway sectional view of a conventional fertilizer conveying device. B... Planting device, 26... Air supply device, D... Fertilizer transport device, 32, 37... Intermittent device, 7... Main tank, 36a... Operating mechanism, 8... Auxiliary tank, 25... conduit.

Claims (1)

[Scope of utility model registration request] A rice transplanter with a fertilization device, which is provided with an auxiliary tank 8 for feeding fertilizer near the planting location of the planting device B, and is also provided with a main tank 7 for supplying powdered fertilizer to the auxiliary tank 8, and a fertilizer conveyance device D, The fertilizer conveyance device D includes a pipe line 25 that connects both the tanks 7 and 8, and an air supply device 26 connected to the upper side of the pipe line 25 to supply air for pressurizing the fertilizer.
and a device 3 for intermittent fertilizer supply on the upstream side of the discharge path of the main tank 7 or the pipe line 25.
2, 37 are provided, and the fertilizer supply intermittent device 32, 3 is provided.
The fertilizer application device is characterized by being provided with a linkage operation mechanism 36a that brings the fertilizer 7 into a supply stop state when the planting device B is in a drive stopped state, and puts the fertilizer into a supply state or a supplyable state when the planting device B is in a drive state. Rice transplanter with attached.