JPH0441972B2 - - Google Patents

Description

[Detailed description of the invention]

(Industrial Application Field) The present invention relates to a deep fertilization device for paddy fields. (Prior Art) A deep fertilization device for paddy fields is known in which a fertilization section having a fertilizer tank, a fertilizer delivery pump, a fertilization nozzle, etc. is integrally attached to a traveling vehicle body. (Problems to be Solved by the Invention) The above-mentioned known structure was troublesome to manufacture because each member of the fertilization section was assembled one by one to the traveling vehicle body. (Means for Solving the Problems) Therefore, the present invention provides a right fertilization section 20b that is symmetrically formed in the same way as a left fertilization section 20a that has a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc., respectively. The upper positions of the connecting rods 22 are connected to form a substantially square-shaped independent fertilizing section 16. The independent fertilizing section 16 is removably installed on the vehicle body 1 with the engine 6, A deep fertilization device for paddy fields, which is provided with a communication arm 31 that connects the left side fertilization section 20a and the right side fertilization section 20b as a strength member at a nearby position, and a fertilizer tank 1
7 and the right fertilizer application part 20b, which is formed symmetrically in the same way as the left fertilizer application part 20a and the right fertilizer application part 20b, each having a fertilizer delivery pump 18, a fertilizer application nozzle 19, etc., are connected by a connecting rod 22, and the whole is made into a substantially square shape. The independent fertilizing section 16 is provided on the traveling vehicle body 1 with the engine 6 in a detachable manner, and the connecting rod 2
In the deep fertilization device for paddy fields, a communication arm 31 is provided at a position near the left side fertilization section 20a and the right side fertilization section 20b as a strength member. It is a deep fertilization device for paddy fields that is located nearby and doubles as a scraper. (Example) (Configuration of traveling vehicle body) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 is a traveling vehicle body of a fertilization device, in which running frames 2, 2 in the front and rear direction are arranged side by side on the left and right sides, and the traveling vehicle body is Support legs 3, 3 projecting downward are formed at the bottom of each of the frames 2, 2, and a driving wheel 4 is mounted on the support legs 3, 3 via a shaft 5. Drive wheels 4 are mounted on the front upper part of the running frames 2, 2.
It is equipped with an engine 6 that only rotates the vehicle, and a travel control handle 7 is provided at the rear end to maintain the balance between the front and rear. 8 is a fuel tank; 9 is a transmission case containing a sprocket and chain for transmitting the rotation of the engine 6 to the transmission 10; and 11 is a transmission case for transmitting rotation from the transmission 10 to the driving wheels 4. Engagement shafts 12, 12 projecting outward are provided on the outer sides of the supporting legs 3, 3 of the traveling vehicle body 1. A bearing plate 13 is provided at the rear of the traveling frames 2, 2, and the bearing plate 13
A left-right engaging shaft 14 projecting inward from the traveling frame 2 is slidably attached to the shaft. Reference numeral 15 denotes an operating lever for sliding the engagement shaft 14. (Configuration of Independent Fertilizer Application Section) Reference numeral 16 denotes an independent fertilization section that is detachably attached to the traveling vehicle body 1. The independent fertilization section 16 includes a fertilizer tank 1
7. The left fertilizing part 20a and the right fertilizing part 20b, each having a fertilizer delivery pump 18, a fertilizing nozzle 19, etc., are fixed together by a connecting rod 22 to form a substantially square shape as a whole when viewed from the rear. Fertilization section 20
a and the right fertilization part 20b so that they can be fitted and placed. Reference numerals 21 and 21 indicate horizontal bars arranged side by side with an interval between them, and the fertilizer tanks 17 are attached to the outer side of each horizontal bar 21. The rear end portions of the horizontal rods 21, 21 are fixed by a connecting rod 22 in the left-right direction, and connect the left fertilizing section 20a and the right fertilizing section 20b. A vertical transmission box 2 is provided at both ends of the connecting rod 22.
3 and 23 are fixed at their upper ends, and fertilizer feeding pumps 18 and 18 are provided on the outer surfaces of the transmission boxes 23 and 23, respectively. The fertilizer tanks 17, 17 are connected to the front sides of the fertilizer delivery pumps 18, 18, and the fertilization pipes 24 to which the fertilization nozzles 19, 19 are connected are attached to the rear sides. Reference numeral 25 indicates a grounding ring which drives the fertilizer delivery pump 18 at the lower end of each transmission case 23, 26 indicates a central axis of each grounding ring 25, 27 indicates a sprocket fixed to each central axis 26, and 28 indicates a connecting rod 22. The rotating shaft 29 inserted therein is a sprocket fixed to the left and right sides of the rotating shaft 28, and a chain 30 is wound around each sprocket 29 and each sprocket 27, respectively. Both left and right ends of the rotating shaft 28 are connected to the fertilizer dispensing pumps 18, 18, and the fertilizer dispensing pump 1
8, 18 is activated. A communication arm 31 is provided on the front side of the horizontal tie rod 22. The communication arm 31 is formed into a cross-shaped shape by integrally or separately providing vertical parts 40 that protrude downward at both ends of a horizontal part 39 in the left and right direction. The left side horizontal rod 21 and the right side horizontal rod 21 are fixed to the outside of each of the vertical parts 40, 40, and the left side fertilization part 20
a and the right side fertilization part 20b are combined. Vertical part 4
0 and 40 are provided with two straddling portions 32, 32 in the front and rear directions, and the two straddling portions 32, 32
are engaged from above with the engagement shafts 12, 12 provided on the support legs 3, 36 of the traveling vehicle body 1, and the pins 33, 3
3, the independent fertilizing section 16 is attached to the vehicle body 1 so as to be rotatable. Thus, the horizontal portion 39 of the communication arm 31 is formed to act as a scraper for scraping off the adhered mud when the drive wheel 4 rotates.
Reference numeral 34 denotes an engagement plate 34, which is formed parallel to the traveling vehicle body 1, and has engagement holes 35 in the left-right direction vertically provided in the engagement plate 34. The engagement shaft 14 of the traveling vehicle body 1 is engaged with the engagement hole 35 . 36 is a groove cutting blade provided in front of each fertilizing nozzle 19, 37 is a rotary blade provided in front of the groove cutting blade 34, and 38 is a sled body. (Effect) Next, the effect will be described. Left fertilizer application section 20 in which the fertilizer tank 17, fertilizer delivery pump 18, fertilizer nozzle 19, etc. are assembled, respectively.
a and the right fertilizing section 20b are connected by the connecting rod 22 and the connecting arm 31, so the independent fertilizing section 16
The entire body is integrally formed in a substantially square shape when viewed from the rear. Therefore, the left fertilizing section 20a and the right fertilizing section 20
b are connected to each other by a communication arm 31, so the communication arm 31 is suspended and the separately formed traveling vehicle body 1 is positioned between the left fertilization section 20a and the right fertilization section 20b. Therefore, the lower two-straddle portion 32 of the communication arm 31 connecting the left fertilizer application portion 20a and the right fertilizer application portion 20b,
32 is engaged with the engagement shafts 12, 12 provided on the outer surfaces of the support legs 3, 3 of the traveling vehicle body 1, and the pins 33, 3
3, and when the engagement shaft 14 of the traveling vehicle body 1 is engaged with the engagement hole 35 of the engagement plate 34 of the independent fertilizing section 16, the independent fertilizing section 16 is suspended from the connecting arm 31 on the traveling vehicle body 1. , the installation is complete. Then, when the engine 6 is started, the walking steering handle 7 is supported, and the grounding wheels 25, 25 are moved forward.
rotates, and the rotation of the ground wheels 25, 25 is as follows: → Central shaft 26, 26 → Sprocket 27, 27
→ Chain 30, 30 → Sprocket 29, 29 →
The fertilizer in the fertilizer tanks 17, 17 is transferred from the fertilizer tanks 17, 17 through the fertilizer delivery pipes 24, 24 to the fertilizing nozzle by the fertilizer delivery pumps 18, 18. 19,
Fertilizer is sent to the rotary blades 37, 37 and the groove cutting blade 3.
Fertilize the grooves formed deep underground by 6 and 36. At this time, the drive wheels 4 mounted on the traveling vehicle body 1
However, since the horizontal portion 39 and vertical portion 40 of the communication arm 31 are located near the driving wheel 4, the mud adhering to the driving wheel 4 is removed every time the driving wheel 4 rotates. It is scraped off by coming into contact with the communication arm 31, and the communication arm 31 acts as a scraper. (Effects) As described above, deep fertilization devices for paddy fields are conventionally known, in which a fertilization unit including a fertilizer pump, a fertilizer delivery pump, a fertilization nozzle, etc. is integrally attached to a traveling vehicle body. The above-mentioned known structure was troublesome to manufacture because each member of the fertilizing section was assembled one by one to the traveling vehicle body. However, the present invention connects the upper portions of the left fertilizer tank 17, the fertilizer delivery pump 18, the fertilizer nozzle 19, and the like with the left fertilizer application section 20a and the right fertilizer application section 20b, which are formed symmetrically, using the connecting rod 22. The entire structure is formed into a substantially square-shaped independent fertilizing part 16, which is detachably installed on the traveling vehicle body 1 with the engine 6, and the left fertilizing part 20a and the right fertilizing part 20a are disposed near the connecting rod 22. Part 20b
Communication arm 31 that communicates with as a strong member
A deep fertilization device for paddy fields equipped with a fertilization device, and a left fertilization section 20a having a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc., respectively, and a right fertilization section 20b formed symmetrically in the same way as the left fertilization section 20a. are connected by a connecting rod 22 to form a substantially square-shaped independent fertilizing section 16. The independent fertilizing section 16 is removably provided on the traveling vehicle body 1 with the engine 6, and the above-mentioned fertilizing section 16 is connected to the connecting rod 22 at a position near the connecting rod 22. In a deep fertilization device for paddy fields, which is provided with a communication arm 31 that connects the left side fertilization section 20a and the right side fertilization section 20b as a strength member, the connection arm 31 is attached to the traveling vehicle body 1.
This is a deep fertilization device for paddy fields that is located near the drive wheel 4 of the paddy field and also serves as a scraper. As a result, the entire structure is compact yet strong, and assembly, disassembly, and maintenance are easy. (b) The communication arm 31 serves as a strength member for the left side fertilization section 20a and the right side fertilization section 20b. C. The communication arm 31 also serves as a scraper for the drive wheel 4. This effect is achieved.

[Brief explanation of drawings]

FIG. 1 is a side view of the entire device, FIG. 2 is an assembled state diagram of the independent fertilization section and the traveling vehicle body, FIG. 3 is a vertical sectional view of the main parts, and FIG. 4 is a plan view of the entire device. Explanation of symbols, 1... Traveling vehicle body, 2... Running frame, 2... Support legs, 4... Driving wheels, 5... Axis,
6... Engine, 7... Walking control handle, 8
... Fuel tank, 9 ... Transmission case, 10 ... Mission, 11 ... Transmission case, 12 ... Engagement shaft, 13 ... Bearing plate, 14 ... Engagement shaft, 15 ...
Operation lever, 16...Independent fertilization section, 17...Fertilizer tank, 18...Fertilizer delivery pump, 19...Fertilization nozzle, 20a...Left fertilization section, 20b...Right fertilization section, 21...Horizontal rod, 22 ... Connection rod, 23 ... Transmission case, 24 ... Fertilizer pipe, 25 ... Grounding ring, 2
6... Central shaft, 27... Sprocket, 28...
Rotating shaft, 29...Sprocket, 30...Chain, 31...Connection arm, 32...Bistraddle part, 33
... Pin, 34 ... Engagement plate, 35 ... Engagement hole, 3
6... Grooving blade, 37... Rotating blade, 38... Sled body,
39...Horizontal part, 40...Vertical part.

Claims (1)

[Claims] 1. A left side fertilization section 20 having a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc., respectively.
Right side fertilization part 20b formed symmetrically like a
The upper positions of the fertilizing parts 1 and 2 are connected by connecting rods 22 to form a substantially square-shaped independent fertilizing part 16 as a whole.
Reference numeral 6 denotes a deep layer for paddy fields, which is removably installed on the traveling vehicle body 1 with an engine 6, and is provided with a connecting arm 31 in the vicinity of the connecting rod 22 that connects the left side fertilizing section 20a and the right side fertilizing section 20b as a strength member. Fertilization equipment. 2. A left side fertilization section 20 that includes a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc., respectively.
Right side fertilization part 20b formed symmetrically like a
The upper positions of the fertilizing parts 1 and 2 are connected by connecting rods 22 to form a substantially square-shaped independent fertilizing part 16 as a whole.
Reference numeral 6 denotes a deep layer for paddy fields, which is removably installed on the traveling vehicle body 1 with an engine 6, and is provided with a connecting arm 31 in the vicinity of the connecting rod 22 that connects the left side fertilizing section 20a and the right side fertilizing section 20b as a strength member. In the fertilization device, the communication arm 31 is located near the drive wheels 4 of the traveling vehicle body 1 and serves also as a scraper.