FIXED MOTOBLOK

FIXED Processing small plots of land, traditional small-sized motorcycles, in our opinion, is quite difficult. Therefore, we have selected other flowsheet which consists of the following: the power plant is at one end of the plot, and the working body from the opposite edge of the plot moves toward the power unit. The operation can have two options: one course of work, and the reverse is blank; in the presence of blocks — both stroke work.
The main advantages of created in our student KB tillers is that he quite easily fits in the trunk of the car, and its weight is minimal; it is easy to manufacture and affordable materials. Design allows easy removal of the motor, which can be used on other installations.
 
The advantage of our motoagricola can be called his great versatility. And not only in the cultivation of the soil, although it is applicable for plowing, harrowing, and cultivation, and even the laying of small channels. The range of works can be much extended: the movement of goods, cleaning of agricultural premises, mechanization of construction operations and more.
 
The basis for walking tractor — engine VP-150 from scooter “Vyatka” with forced cooling capacity of 4.4 kW (6 HP). It is installed on a frame made of thin-walled tubes. To facilitate the weight of the frame structure of the power unit managed to solve so that it serves both as a supporting element, and an exhaust pipe and silencer: the exhaust gases divided into two streams, pass through the small and big circuit, then converge at right angles. This significantly reduces the noise level at the output. Heated exhaust frame is cooled from the soil.
The power unit of the motor-plow.
The power unit of the motor-plow:
1 — handle, 2 — tank, 3 — motor with fan, 4 — drum winch, 5 — star, winch, 6 — frame Assembly, 7 — support lug drum 8 — the shank of the exhaust part of the frame of the dashpot, 9 — lugs.
 
Frame power unit Assembly.
The frame of the power unit Assembly:
1 — the support lug of the winch drum, 2 — bearing column of knobs.

 
To the left of the engine, from its output shaft, two plate brackets welded to the frame, a winch drum of steel pipe of large diameter. His star torque from the engine is transmitted through a chain transmission (Ave.— 12,7-1800-2 GOST 10947-64). The cable one end is wound on the drum, and the second is attached to the working body, for example, the plough. If necessary, the direction of traction under an angle to the axis of the drum the cable passes through a guide bracket welded to the front of the frame near the exhaust holes.
 
The winch drum.
Drum winch:
1 — flange 2 — drum housing 3 — sprocket drum, 4 — hub, 5 — bearing, 6 — axis, 7 — washer.
 
From the bottom to the frame is welded by steel plate lugs that allows you to firmly fix the position of the winch in the processing of light and medium soils, or moving small loads. Plowing of virgin lands or other high load lugs should be increased in height to a minimum of 150 mm.
Plow
 
Replaceable working body to plowing — plow lamellately. Its design is similar to equestrian. The body of the plough are rigidly connected to the welding with a stand, here and welded on the plate rack, as well as field Board, which compensates for the side reaction that occurs during plowing, and prevents displacement of the plow to the side. The Board is made of steel angle corner 25X25 mm. Front shell — steel strip with dimensions 45Х12Х450 mm. the Blade is made of a steel sheet with a thickness of 3 mm.
 
The plow Assembly.
The plow Assembly:
1 — wheel, 2 — plug wheels, 3 — bracket plugs, 4 — adjusting strap, 5 — tube spine frame, 6 — bushing, 7 — stud bracket, 8 — rack flange plow, 9 — stand, 10 — pipe handles, 11 — plow.
 
Plow through rack mounted with four bolts to the base frame, made of pipes with external Ø 42 mm. In front of the frame has the adjustment strap, is designed to connect the frame of the plow with the power unit via steel cable. The bottom includes a bracket for mounting the fork supporting the wheel.
 
Tests have shown that, in addition to the correct execution of all elements of design, for successful treatment of the soil is important and accurate adjustment of the plow. Before you start, you need to configure is to set the body of the plow to the desired depth of plowing. The adjustment is performed by changing the level of fastening of the rack body plow and, therefore, the provisions in relation to the reference wheel. Achieve the greatest depth of ploughing — 22 cm For minimum penetration into the soil — for example, when removing the surface sod layer with a thickness of 4-5 cm — there are other adjustment. It is carried out by raising or lowering the support wheels relative to the bracket.
 
The plow.
Plow:
1 — blade, 2 — push-in bracket, 3 — strut, 4 — plate rack, 5 — snake (field Board), 6 — the base of the plow.
 
The principle of operation of the unit
 
In both cases, one side or both — at work employed two people: one operates the power unit, the second working body. For plowing cable, naratiwas the drum, drags the whole plot through the plow, followed by one of the workers. When the furrow is finished, the drum switches no-load (free) speed, allowing to unwind the cable — plow ottalkivaemsya in the beginning section for the passage of the next furrow. And so on to the end of plowing.
 
In other types of operations — movement of goods or materials, etc. — a sequence of actions with a drum and cable are similar.
Interestingly, our inaugural scheme and method of use of motoagricola open unexpected possibilities of its application. For example, for greenhouses. Compared to any other mechanisms with internal combustion engines only our allows to avoid contamination of the closed premises: while working on working inside the greenhouse, motorright, and hence the exhaust outside of the room.
 
There is another winning factor — compliance with the agricultural requirements, as posted in this way the tillers, do not have suspension, has no sealing effect on the soil.
 
The economic effect
 
Of course, it is possible to calculate it in rubles. However, it is better to summarize what was shown, the use of our motoagricola. This is an opportunity hard to reach areas — greenhouses, slopes and uneven terrain, and that the cultivator can be transported in the trunk of a car for long distances, and in short — in the garden cart. No storage problems — no need for a shed or garage. Metaakrilat proved to be economical and fuel consumption: 0.01 hectares — a total of 300 g of petrol, and quite satisfactory performance — 0,03 ha per hour.
 
I think that is a small cost in the individual production — 250 rubles, including the engine price VP-150 (160 RUB.). Everything else is practically junk, readily available materials.
 
G. MARTYNOV, head of student KB, Perm

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