JP4659258B2 - Fertilizer applicator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure for connecting between a feeding device and a funnel of a fertilizer for carrying and spreading fertilizer by an air flow.
[0002]
[Prior art]
Conventionally, a fertilizer machine has been arranged on the rear seat of the rice transplanter and above the seedling platform of the planting device, and the fertilizer fed from the fertilizer machine is placed on the compressed air flow obtained by a blower, compressor, etc. until the fertilizer position The technique of carrying is known. In this fertilizer applicator, a hopper is arranged at the upper part of the feeding device, a funnel is communicated with the lower part of the feeding device, and the lower part of the funnel is communicated with the discharge part of the pressure accumulating device ( air chamber) so It was composed. For example, it is a technique of Unexamined-Japanese-Patent No. 10-295117.
[0003]
[Problems to be solved by the invention]
When installing this fertilizer machine at the rear of the driver's seat of the rice transplanter, the upper end height of the hopper must be high enough to allow the fertilizer to be put in, so it cannot be made too high, and it is located at the same height as the rear step Since the fertilizer is placed on and fixed, the lower end position is also limited. Therefore, the lower part of the feeding device and the upper part of the funnel formed integrally with the joint are partially fitted and fixed so that the vertical length of the feeding device and the joint arranged at the lower part is as short as possible. The front part of the joint was fitted and fixed to the pressure accumulator.
[0004]
However, with such a configuration, when the funnel is clogged with fertilizer or when maintenance is performed, it is not possible to detach only the funnel, remove the feeding device, and pull out the funnel from the pressure accumulator. Since it was configured to be removed, it was necessary to work in a narrow position at the rear of the seat, which was very troublesome.
In view of the above, the present invention is intended to simplify maintenance and the like by simply removing the funnel without removing the pressure accumulating device and the feeding device with a simple configuration.
[0005]
[Means for Solving the Problems]
The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.
That is, in claim 1, a hopper that stores fertilizer, a feeding device that is disposed below the hopper, feeds the fertilizer by a predetermined amount from the hopper side, and a feeding device that is disposed below the feeding device. And a joint for connecting the device and the pressure accumulating device, fertilizer fed from the feeding device is allowed to flow into the joint , mixed with air from the pressure accumulating device, and carried to the fertilizer by the air flow and sprayed in aircraft, and an upper funnel portion formed on the upper portion of the joint, the disposed between the feeding device lower, with a connection member for connecting communicating with said joint and said feeding device, wherein the connecting member has an elastic The lower part is formed in a rectangular shape in plan view in accordance with the shape of the upper part of the funnel part, and the lower end is wrapped around the outer periphery of the upper end of the funnel part. Writing as to form an umbrella shape, the upper end of the funnel portion inside the lower end is obtained by fittable.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the invention will be described.
1 is an overall side view of a rice transplanter, FIG. 2 is a partial cross-sectional side view of the feeding device, FIG. 3 is a partial front sectional view of the feeding device, and FIG. 4 is a side sectional view showing a state where the funnel is removed from the feeding device. FIG. 5 is a plan view of the connection member.
[0007]
First, a riding rice transplanter equipped with a fertilizer applicator will be described with reference to FIG.
A traveling vehicle 1 that is a traveling body on which an operator is boarded has an engine 2 mounted above the center of a vehicle body frame 3 and supports front wheels 6 for paddy field traveling in front of a transmission case 4 via a front axle case 5. A rear axle case 7 is connected to the rear part of the transmission case 4, and a rear wheel 8 for paddy field traveling is supported on the rear axle case 7. A driver's seat 9 is attached to the upper part of the engine 2, and a steering handle 11 is provided at the rear of the hood 10 in front of the driver's seat 9.
[0008]
The planting unit 15 includes a seedling mounting table 16 and a plurality of planting claws 17. The inclined seedling mounting table 16 having a front height, a rear height, and a low height is attached to the planting case 20 via the lower rail 18 and the guide rail 19. A rotary case 21 that is supported so as to be slidable in the left and right directions and is rotated at a constant speed in one direction is supported by the planting case 20, and a pair of claw cases 22 are arranged at symmetrical positions around the rotation axis of the case 21. And a planting claw 17 is provided at the tip of the claw case 22. Further, a support frame 24 is provided on the front side of the planting case 20 via a rolling fulcrum shaft 23, and the support frame 24 is connected to the rear side of the traveling vehicle 1 via a link mechanism 27 including a top link 25 and a lower link 26, An elevating cylinder 28 for raising and lowering the planting part 15 is connected to the lower link 26 via the link mechanism 27.
[0009]
Then, the front and rear wheels 6 and 8 are driven and moved, and at the same time, one seedling is taken out from the seedling stage 16 that is reciprocated to the left and right by the planting claws 17 so that the seedling planting operation is continuously performed. It is composed. Further, a fertilizer machine 36 is mounted at the rear of the driver's seat 9, and a two-level leveling center float 34 and two-level leveling side floats 35, 35 are provided below the planting part 15 for planting work. At the same time, fertilization can be performed.
[0010]
Next, a schematic configuration of the fertilizer applicator 36 will be described.
The fertilizer applicator 36 is connected to a fertilizer feeding hopper 37 for putting fertilizer, a fertilizer feeding device 38 that is a fertilizer feeding portion for feeding the fertilizer by a certain amount, and a lower portion of the fertilizer feeding device 38 via a connection member 43 of the present invention. A joint 44, a flexible conveying hose 40 connected to the joint 44, a groover 39 connected to the other end of the conveying hose 40, a cylindrical air chamber 42 for sending compressed air to the joint 44, The turbo blower 41 is configured to supply compressed air to the air chamber 42.
[0011]
The grooving device 39 is disposed at the bottom of each of the floats 34, 35, and 35 of the planting part 15, and forms a fertilizer by forming a groove for dropping the fertilizer. The air chamber 42 is installed at the front of the fertilizer feeding device 38 at the rear of the driver's seat 9, and a blower 41 is attached to the left and right side ends of the air chamber 42. The blower 41 is powered by a motor or an engine. Driven by.
[0012]
2 to 5, the feeding device 38 rotatably supports the feeding roll 32 in the feeding case 31, and recesses 32a, 32a,... Into which fertilizer can be inserted on the outer periphery of the feeding roll 32. It is formed at regular intervals, and the drive shaft of the feed roll 32 is rotationally driven by a motor or the like so that a certain amount of fertilizer in the recess 32a can be conveyed downward from the hopper side and fed out.
[0013]
A joint 44 is detachably attached to the lower portion of the feeding case 31 via a connecting member 43 of the present invention. That is, the lower part of the feeding case 31 is opened, and a fitting part 31a having a cross-sectional view “h” is formed around the lower part so that the upper part of the connection member 43 is fitted to prevent leakage. Yes.
[0014]
The joint 44 has a trumpet-shaped funnel portion 44a at the top and a cylindrical pipe portion 44b at the bottom and is integrally formed of synthetic resin or the like. The lower end of the funnel portion 44a and the middle of the pipe portion 44b are arranged before and after. The upper part of the part is communicated. That is, the axial center of the funnel portion 44a and the axial center of the pipe portion 44b are disposed so as to be orthogonal to each other. The front portion of the pipe portion 44b is inserted into and communicated with a discharge hole opened in the air chamber 42 via a seal member 56, and a transfer hose 40 is fitted to the rear end of the pipe portion 44b, Air can be sent from the air chamber 42 to the hose 40 via the joint 44.
The upper end of the funnel portion 44a is an opening larger than the communication hole with the pipe portion 44b, and an edge portion 44c is formed around the upper end so that the lower portion of the connecting member 43 is fitted.
[0015]
The connecting member 43 is made of an elastic body such as rubber or synthetic resin, and the upper portion of the connecting member 43 is formed so as to fit the fitting portion 31a in a shape, and the lower portion is formed on the upper portion of the funnel portion 44a. The fitting can be performed in accordance with the shape of the edge portion 44c so that leakage does not occur above and below the connecting member 43 during connection.
That is, the upper periphery 43a of the connection member 43 can be inserted into the fitting portion 31a, and the connection member 43 is formed with an edge 43b on the front and left and right outer sides of the connection member 43. A concave shape is seen, and a U-shaped fixing plate 45 in plan view is fitted and pressed to the outside of the edge 43b. A locking portion is formed at the front end portion of the fixing plate 45 and engages with a pin 46 provided at the front end of the feeding case 31, and both sides of the fixing plate 45 are formed in an L shape in cross section so that the connection member 43 The edge 43b is pressed down so as not to come off, and close contact is prevented so that leakage does not occur.
Further, a triangular convex portion 43 d is formed on the rear outer surface of the connecting member 43 so that it can be engaged with a hook portion 31 b formed on the rear portion of the feeding case 31.
[0016]
Further, the lower end of the joining member 43 forms a flat portion to be placed in accordance with the edge portion 44c formed at the upper end of the funnel portion 44a, and the umbrella-shaped edge portion 43c is wrapped outside the outer periphery of the edge portion 44c. In the state where the upper end of the funnel portion 44a is fitted to the lower end of the connection member 43, the waterproofing is improved.
A one-touch locking tool 33 is attached to the projecting piece 31c extending rearward from the rear surface of the feeding case 31 so that it can be engaged with a pin provided on the projecting piece 44c projecting upward and rearward from the joint 44. A joint 44 is attached to the case 31 via a connecting member 43 so that the case 31 can be fixed by the one-touch locking device 33.
[0017]
In such a configuration, as shown in FIG. 4, by removing the one-touch locking device 33, the joint 44 is pulled rearward, so that the pipe portion 44b is removed from the seal member 56, and at the same time, the connecting member 43 is connected to the funnel portion 44a. It can be removed by elastic deformation. In this way, the joint 44 can be easily removed without removing the feeding device 38 and the air chamber 42. On the contrary, when the pipe part 44b is attached to the hole of the air chamber 42 and the funnel part 44a is pushed forward in accordance with the edge part 43c of the connection member 43, it can be easily attached. Further, since the joint 44 can be attached and detached with the feeding device 38 and the air chamber 42 as they are, a large space is not required.
[0018]
【The invention's effect】
Since the present invention is configured as described above, the following effects can be obtained.
That is, as shown in claim 1, a hopper for storing fertilizer, a feeder disposed below the hopper, a feeder for feeding the fertilizer by a predetermined amount from the hopper side, and a lower portion of the feeder, A joint for connecting the feeding device and the pressure accumulating device, allowing the fertilizer fed from the feeding device to flow into the joint , mixing with the air from the pressure accumulating device, and transporting it to the fertilizer by air flow and spraying in fertilization machine, and an upper funnel portion formed on the upper portion of the joint, the disposed between the feeding device lower, with a connection member for connecting communicating with said joint and said feeding device, said connecting member, It is composed of an elastic body, and its lower part is formed in a rectangular shape in plan view in accordance with the shape of the upper part of the funnel part, and its lower end is wrapped around the outer periphery of the upper end of the funnel part. Writing as to form an umbrella shape, since the possible fitting an upper end of the funnel portion inside the lower end, pulling the joint in the longitudinal direction, just or push, easily detachable connecting member is deformed It is possible to secure the waterproofness and the airtightness by sticking to each other by the elasticity of the connecting member. And since it can attach or detach by pushing and pulling in one direction, the joint can be easily removed without taking up space in the vertical direction and without having to remove the feeding device and the pressure accumulating device. In addition, since the space for attaching and detaching is small, it is not necessary to provide a space for attaching and detaching by reducing the hopper, and the capacity of the hopper can be sufficiently secured.
[Brief description of the drawings]
FIG. 1 is an overall side view of a rice transplanter.
FIG. 2 is a partial sectional view of a side surface of the feeding device.
FIG. 3 is a partial front sectional view of the feeding device.
FIG. 4 is a side cross-sectional view showing a state where a funnel is removed from the feeding device.
FIG. 5 is a plan view of a connection member.
[Explanation of symbols]
38 Feeding device 42 Pressure accumulating device 43 Connection member 44 Joint 44a Funnel

Claims (1)

A hopper for storing fertilizer;
A feeding device that is arranged below the hopper and feeds the fertilizer by a predetermined amount from the hopper side;
A joint that is arranged below the feeding device and connects the feeding device and the pressure accumulating device ;
In the fertilizer to flow fertilizer fed from the feeding device into the joint , mix with the air from the pressure accumulator , carry to the fertilizer part by air flow and spray,
And upper portions in the formed funnel portion of the joint, the disposed between the feeding device lower, with a connection member for connecting communicating with said joint and said feeding device,
The connecting member is made of an elastic body, and a lower portion thereof is formed in a rectangular shape in plan view in accordance with the shape of the upper portion of the funnel portion, and a lower end thereof is formed in an umbrella shape so as to wrap around the outer periphery of the upper end of the funnel portion. And the fertilizer machine which enabled fitting the upper end of the said funnel part inside this lower end .

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