Bicycle plow. Drawing, description

TOOLS AND MECHANISMS FOR AGRICULTURE
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Bicycle plow. Drawing, description

Tools and mechanisms for agriculture

Directory / Tools and mechanisms for agriculture

Perhaps this mechanism is the easiest in the family of its fellows: even a schoolboy can lift and move it if necessary. Light weight and extreme ease of manufacture - it was these qualities of the bike plow that attracted the attention of visitors to the exhibition of young technicians, participants in the All-Russian meeting of school forestries and friends of nature conservation, which took place in the summer of 1986 in Leningrad.

The bicycle plow was built by seventh-graders Dima Bespalov and Sasha Odnodvortsev under the guidance of teacher A. M. Pavlov in the circle of agricultural machinery at the secondary school of the Gorenka station in the Novgorod region. The main element of its design is the frame of an old road bike, turned upside down with a bottom bracket. Instead of a saddle, a fork for mounting a working tool is welded to it, and near the pedal assembly there is a bracket for a tension sprocket. The D-5 engine is mounted on clamps at the bottom of the frame. Transmission - two-stage chain transmission with an intermediate shaft. The assembly of the latter is completely assembled from bicycle parts.

The drive wheel is cut from 4,5 mm thick sheet steel and equipped with eight lugs. Wheel fastening - on an axis without rolling bearings.

Bicycle plow (click to enlarge): 1 - bicycle frame, 2 - bicycle handlebar, 3 - fuel tank, 4 - strut-bracket for tension sprocket, 5 - tension sprocket Z=9, 6 - sprocket Z=46, 7 - trunk for additional load, 8 - drive wheel, 9 - grouser, 10 - working tool (cultivator), 11 - D-5 engine, 12 - fork, 13 - clamp, 14, 23, 25 - M8 bolts, 15 - exhaust pipe, 16 - sprocket Z=12, 17 - M6 bolt, 18 - wheel hub, 19 - sprocket Z=48, 20 - bicycle frame fork, 21 - wheel axle-stud, 22 - washer, 24 - rivets

The main working tool of the mechanism is a cultivator, although a plow, flat cutter and other devices can be used.

The jury of the competition, which was held as part of the rally, noted that the bike plow should be somewhat improved: change the direction of the exhaust gases, make forced cooling and be sure to install protective covers on chain drives. We hope that these wishes will be taken into account by our readers, who will be interested in this design.

Author: S.Balakin

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