JPH0441970B2 - - Google Patents

Description

[Detailed description of the invention]

(Industrial Application Field) The present invention relates to a fertilization section elevating device in a deep fertilization device for paddy fields. (Prior art) Conventionally, there is a known device that forms a running vehicle body that has a fertilizer tank, a fertilizer dispensing pump, a fertilizer dispensing nozzle, etc., a walking feeder handle, an engine, and drive wheels, and is capable of applying fertilizer to paddy fields. It is. (Problems to be Solved by the Invention) In the above-mentioned known device, when making a U-turn at the end of the field, the fertilizing section is raised above the field level in order to stop the delivery of fertilizer, but in the conventional device, the fertilizer application section is not raised sufficiently. There was a defect that could not be fixed. (Means for solving the problem) Therefore, the present invention provides a fertilizer application section 1 having a fertilizer tank 18, a fertilizer delivery pump 20, a fertilizer nozzle 21, etc.
4, a walking steering handle 5, an engine 4, and a traveling vehicle body 1 having drive wheels 3 are formed separately, and a lever 13 attached to the walking steering handle 5 is attached to either the fertilization part 14 or the traveling vehicle body 1. An engagement receiving part 3 having an upper engagement hole 32 and a lower engagement hole 33 for raising and lowering the fertilizing part 14 by selectively engaging one of the engagement shafts 12 going in and out.
1 is used as a fertilization part lifting device in a deep fertilization device for paddy fields. (Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a traveling vehicle body of a fertilizer application device, and the traveling vehicle body 1 has a shaft 2.
Only one drive wheel 3 is mounted on the shaft. An engine 4 for rotating driving wheels is mounted on the upper front side of the traveling vehicle body 1, and a walking steering handle 5 is provided at the rear end of the traveling vehicle body 1. 6 is a fuel tank, 7 is a transmission case that transmits the rotation of the engine 4 to the transmission 8, and 9 is a transmission case that transmits the rotation from the transmission 8 to the driving wheels 3. Accordingly, engaging shafts 10, 10 are provided on both sides of the traveling vehicle body 1 and project outward. A bearing plate 11 is provided at the rear of the traveling vehicle body 1, and an engagement shaft 12 that projects inward is slidably attached to the bearing plate 11. 13
is an operating lever that slides the engagement shaft 12 and is provided on the walking steering handle 5. A fertilizing section 14 is attached to the traveling vehicle body 1. 1
Reference numeral 5 denotes a fertilization unit frame, in which horizontal rods 16, 16 extending in the rearward direction are provided in parallel on the left and right at predetermined intervals, and the rear ends of the horizontal rods 16, 16 are fixed with connecting rods 17 in the left-right direction. Fertilizer tanks 18, 18 are provided outside the sides of the horizontal rods 16, 16. A vertical transmission case 1 is provided at both left and right ends of the connecting rod 17.
The upper ends of the transmission case 19 are fixed, and a fertilizer delivery pump 20 is provided on the outer surface of the transmission case 19. The fertilizer tank 18 is connected to the front side of the fertilizer delivery pump 20, and the fertilization pipe 22 to which the fertilization nozzle 21 is connected is attached to the rear side. The fertilizer feeding pump 2 is installed at the lower end of the transmission case 19.
A grounding wheel 23 is provided for driving 0. Grounding ring 23
are provided on the left and right sides of the transmission housing 19, and their central shafts 24 are pivotally attached to the transmission housing 19. The transmission housing 19 is formed hollow, and a sprocket 25 is fixed to a central shaft 24 of a grounding ring 23 provided at the lower end. The connecting rod 17 is formed hollow as shown in FIG. 6, and a rotating shaft 26 is inserted therein, and sprockets 2 are provided on the left and right sides of the rotating shaft 26, respectively.
7 is fixed, and a chain 28 is wound around the sprocket 27 and the sprocket 25. The rotating shaft 26 is connected to the fertilizer dispensing pump 20 at both left and right ends thereof, and the fertilizer dispensing pump 20 is operated. A downward U-shaped connecting rod 29 is provided on the front side of the horizontal rods 16, 16 to connect the left horizontal rod 16 and the right horizontal rod 16. A two-straddle portion 30 is provided at the lower end of each of the coupling rods 29 in the front-rear direction, and the two-straddle portion 30 is connected to the engagement shaft 10 of the traveling vehicle body 1.
The fertilizing section 14 is attached to the traveling vehicle body 1 by engaging the fertilizing section 14 from above. Thus, the connecting rod 17 is provided with an engagement receiving portion 31 with which the engagement shaft 12 selectively engages. Engagement receiving part 31
is formed of a vertical plate parallel to the traveling vehicle body 1, and the engagement receiving portion 31 has an upper engagement hole 32 and a lower engagement hole 33 vertically arranged vertically. In order to position the fertilizing portion 14 horizontally with respect to the vehicle body 1 during fertilization, the engagement shaft 12 of the vehicle body 1 is engaged with the upper engagement hole 32 .
The engagement shaft 12 is engaged with the engagement hole 33 when the fertilization section 14 is moved upward. That is, since the fertilizer feeding pump 20 is driven by the rotational force of the grounding wheel 23, the fertilizing portion 1 of the grounding wheel 23 etc.
The rear part of the vehicle 4 is moved away from the field, the delivery of fertilizer is stopped, and the traveling vehicle body 1 is operated in this state. 34 is a groove-making blade provided in front of each fertilizing nozzle 21, and 35 is a rotary blade provided in front of the groove-making blade 34. (Effect) Next, the effect will be described. The fertilizing part 14 is attached to the traveling vehicle body 1 from above. That is, the engaging shafts 10, 10 on the left and right sides of the traveling vehicle body 1 are engaged with the two-straddle portions 30, 30 of the coupling rod 29 of the fertilizing section 14, and the engaging shaft 12 of the traveling vehicle body 1 is engaged with the engaging shafts 10, 10 on the left and right sides of the traveling vehicle body 1, respectively. Engagement hole 32 of engagement receiving part 31
The attachment of the fertilizing part 14 to the traveling vehicle body 1 is completed. When you start the engine 4 and move forward while supporting the walking handle 5, the ground contact wheel 2
3 and 23 rotate, and the rotation of the ground wheels 23 and 23 is as follows: → Central shaft 24, 24 → Sprocket 25, 25
→ Chain 28, 28 → Sprocket 27, 27 →
It is transmitted to the rotating shaft 26 and operates the fertilizer delivery pumps 20, 20. Therefore, the fertilizer in the fertilizer tanks 18, 18 is sent from the fertilizer tanks 18, 18 through the fertilizer delivery pipes 22, 22 to the fertilization nozzles 21, 21 by the fertilizer delivery pumps 20, 20, and the fertilizer is sent to the fertilization nozzles 21, 21 by the fertilizer delivery pumps 20, 20.
5 and the trenches formed deep into the soil by the trench cutting blades 34, 34. When the vehicle reaches the end of the field and the traveling vehicle body 1 stops running, the rotation of the ground contact wheel 23 also stops, so the fertilizer delivery pump 20 also stops, and the delivery of fertilizer is stopped. In this state, when the operating lever 13 is operated and the engagement shaft 12 is removed from the upper engagement hole 32, the fertilization section 14 and the vehicle body 1 are separated from each other by the two straddle sections 30, 3.
0 and the engagement shafts 10, 10, and the fertilizing part 14 is held in a state where the grounding ring 23 is in contact with the field. Therefore, when the walking operation handle 5 is pushed up, the rear part of the traveling vehicle body 1 rotates downward around the axis 2.
Operate the operating lever 13 to engage the engagement shaft 12 with the lower engagement hole 33, and perform the walking operation again (lifting the handle 5 to the normal height, the fertilization part 1
4 is moved much higher than the front, the rear part of the fertilizing part 14, including the grounding wheel 23 and the fertilizing nozzle 21, easily leaves the field. Therefore, if the vertical walking handle 5 is slightly raised in this state or in this state, and the traveling vehicle body 1 is made a U-turn, the ground contact wheel 23 will not rotate, and the U-turn will be made with the fertilizer feeding stopped. can be done. Further, since the rear part of the fertilizing part 14 such as the fertilizing nozzle 21 is located away from the field, it is possible to make a U-turn easily. (Effectiveness Division) As mentioned above, conventional fertilizer application parts have a fertilizer tank and rotary blade of a fertilizer delivery pump, and a running vehicle body has a walking steering handle, an engine, and drive wheels, and is capable of applying fertilizer to paddy fields. Those that have been made are publicly known. However, in the conventional method, when making a U-turn at the end of the field, the fertilizing section is raised above the field level in order to stop the delivery of fertilizer, but the conventional method had a defect in that it could not be raised sufficiently. However, in the present invention, the fertilizing section 14 having the fertilizer tank 18, the fertilizer feeding pump 20, the fertilizing nozzle 21, etc., and the traveling vehicle body 1 having the walking steering handle 5, the engine 4, and the driving wheels 3 are formed separately, An engagement shaft 12 outputted by a lever 13 attached to a walking steering handle 5 is attached to either the fertilizing section 14 or the traveling vehicle body 1, and an engagement shaft 12 is attached to the other.
A fertilization part lifting device in a deep fertilization device for paddy fields is provided with an engagement receiving part 31 having an upper engagement hole 32 and a lower engagement hole 33 that selectively engage to raise and lower the fertilization part 14. Since it is a fertilizer application part 1
4 can be easily raised and lowered to a desired height position to make a U-turn.

[Brief explanation of drawings]

Figure 1 is a side view of the entire device, Figure 2 is a diagram with the traveling vehicle body lowered, Figure 3 is an assembled diagram of the fertilization section and traveling vehicle body, and Figure 4 is a partial cutaway with the fertilization section in a horizontal state. A side view, FIG. 5 is a partially cutaway side view with the fertilization part moved upward, and FIG. 6 is a longitudinal sectional view. Explanation of symbols, 1... Traveling vehicle body, 2... Center axis,
3... Drive wheel, 4... Engine, 5... Walking control handle, 6... Fuel tank, 7... Transmission case, 8... Mission, 9... Transmission case, 1
0... Engagement shaft, 11... Bearing plate, 12... Engagement shaft, 13... Operation lever, 14... Fertilization section, 15
... Fertilizer application section frame, 16 ... Horizontal rod, 17 ... Connection rod, 18 ... Fertilizer tank, 19 ... Transmission case, 2
0... Fertilizer delivery pump, 21... Fertilizer nozzle, 2
2...Fertilizer pipe, 23...Grounding ring, 24...Center shaft, 25...Sprocket, 26...Rotating shaft,
27... Sprocket, 28... Chain, 29...
...Engagement rod, 30...Two-straddle part, 31...Engagement receiving part,
32...Engagement hole, 33...Engagement hole, 34...Groove making blade, 35...Rotary blade.

Claims (1)

[Claims] 1 A fertilizer application section 14 having a fertilizer tank 18, a fertilizer delivery pump 20, a fertilizer application nozzle 21, etc., and a traveling vehicle body 1 having a walking feeder handle 5, an engine 4, and drive wheels 3 are formed separately, and the fertilizer application section 14 and the fertilizer application section 14 are formed separately. The engaging shaft 12 is moved in and out of either one of the traveling vehicle bodies 1 by a lever 13 attached to the walking steering handle 5, and the engaging shaft 12 selectively engages with the other to raise and lower the fertilizing section 14. A fertilization part lifting device in a deep fertilization device for paddy fields, which is provided with an engagement receiving part 31 having an upper engagement hole 32 and a lower engagement hole 33.