Authors: Prashant Kumar S. Pal, Rahul R. Pal, Vikas D. Prajapati, Yuvraj R. Pandey, Sajid Shaikh
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The spraying is traditionally done by labour carrying backpack type sprayer which requires more human effort. The weeding is the generally done with the help of Bulls becomes for small land farmers. Similarly the seed sowing application is also done with the help of bulls, which in the present age is time consuming and laborious. So to overcome these above problems a machine is developed which will be beneficial to the farmer for the spraying and weeding operation along with the seed sowing application. A multifunction device will come in handy that can be put to use in different stages of farming as per requirement.
Agriculture is one of the major sectors of the Indian economy. It is present in the country for thousands of years. Over the years it has developed and the use of new technologies and equipment replaced almost all the traditional methods of farming. Besides, in India, there are still some small farmers that use the old traditional methods of agriculture because they lack the resources to use modern methods. Furthermore, this is the only sector that contributed to the growth of not only itself but also of the other sector of the country.
India largely depends on the agriculture sector. Besides, agriculture is not just a mean of livelihood but a way of living life in India. Moreover, the government is continuously making efforts to develop this sector as the whole nation depends on it for food. For thousands of years, we are practicing agriculture but still, it remained underdeveloped for a long time. Moreover, after independence, we use to import food grains from other countries to full-fill our demand. But, after the green revolution, we become self-sufficient and started exporting our surplus to other countries.
II. LITERATURE REVIEW
4. Multi sprinkle system work on principle of reciprocating pump. This reciprocating pump uses single slider crank mechanism, in which wheel sprocket works as crank. There are two sprockets which is mounted on two different axles in which one sprocket is directly attached to wheel axle. Connecting rod is attached to another sprocket axle through disc. In this power is given to piston of reciprocating pump through rotation of wheel.
5. When piston reach at top dead centre, it creates negative or low pressure inside the cylinder due to pressure difference between reservoir and cylinder space, water moves to fill the cylinder chamber space. In this process suction valve open and delivery valve close.
6. When piston reaches at bottom dead centre, it creates high pressure inside the cylinder chamber & due to the pressure difference between cylinder & delivery pipe. Water moves through discharge pipe to sprinkle. In this process suction valve closed and delivery valve open. This process repeats again and again to get desire output.
7. Motion transmission by chain and sprockets arrangement.
8. Slider cranks mechanism.
9. Rotary motion converted into reciprocating motion.
Above figure shows the assembly of the agricultural reciprocating multi sprayer. The operator grabs the handle and pushes the cycle forward as cycle moves forward, the wheel rotate. When the wheel rotates then the gear sprocket mounted on wheel is also rotate at same speed. The chain drive transfers the motion of gear sprocket to pinion sprocket. The pinion sprocket and crank is mounted on either side of same shaft, the rotary motion of shaft is converted into the reciprocating motion with the help of crank and connecting rod mechanism. The connecting rod is also connected with lever and then the lever oscillates at fulcrum. The piston connected at fulcrum produce reciprocating motion in cylinder and the required pressure is achieved. The pesticide from tank sucks in cylinder and piston forced the pesticide to nozzle through the pipe; the numbers of nozzles are connected to spray the pesticide. We can adjust the pressure, which is required for spraying with the help of special arrangement is to change the length of crank by providing slot on crank. By providing some adjustment at joint of connecting rod and lever free rotation of crank or neutral position can be achieved. Using these adjustments pumping is stop and the wheel rotate freely when you need not spray pesticide. Height, position and angle of the nozzle can be adjustable. Water is for most practical purposes incompressible. Consequently, if a close-fitting piston is drawn through a pipe full of water .it will displace water along the pipe. Similarly, raising a piston in a submerged pipe will draw water up behind it to fill the vacuum which would otherwise occur this applies of course only up to a certain limit of the height water can be pulled by a vacuum, as discussed earlier in Section In the first case water is displaced by the piston, but in the second case, the piston serves to create a vacuum and the water is actually displaced by atmospheric pressure pressing on its external surface, as indicated in the figure. So, water car. be displaced either by "pushing" or by "pulling", but it can also be "displaced" by a solid object being pushed into water so that the level around it rises when there is nowhere else for the water to go.
V. FUTURE SCOPE
1) The suggested model has removed the problem of back pain, since there is no need to carry the tank on the backbone and solder. 2) More no. of nozzle which cover maximum area of spray in minimum time at maximum rate. 3) Proper adjustment facility in the model with respect to crop helps to avoid excessive use of pesticides which result into less pollution. 4) Imported hollow cone nozzle should be used in the field for the better performance. 5) Muscular problem is removed and there is no need to operate lever. 6) This alone pump can use for multiple crops. 7) After having a trial, we have found that one finds it easy to operate push type machine. 8) The pump can deliver the liquid at sufficient pressure where output of the nozzle in1min is 0.3 and spray width 0.4m from calculation so that it reaches all the foliage and spreads entirely over the spray surface. 9) It is little heavy but efficiently working in rough conditions of farm. It is economical therefore affordable for all kind of farmers. 10) It requires comparatively less time for spraying so we can get more fields spraying per day. It is cost effective than the existing spraying pumps available in the market as no direct fuel cost or cost for maintenance is needed for this. 11) It is upgraded design of manually operated sprayer and weeder which will be helpful for small land farmers. 12) It consumes less time and saves money as compared with conventional spraying and weeding. 13) This machine does not require any fuel or power so maintenance is less.
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