Drill mower. Drawing, description

TOOLS AND MECHANISMS FOR AGRICULTURE
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Drill mower. Drawing, description

Tools and mechanisms for agriculture

Directory / Tools and mechanisms for agriculture

Each gardener, along with purchased devices, always has home-made ones. Particularly comfortable, productive, practical, which you can not buy in any store. You too can add to your arsenal of tools. Simple but effective gardener's and gardener's tools, which can be made in a few evenings, we offer in this issue.

The possibilities of an electric drill as a universal drive for many home machines and devices are truly inexhaustible. Most recently, we published a diagram of an electric mower with reciprocating blades. Today we offer another mower with the same drive, but now with a rotating blade. The design of the unit is simple, it can be made even in the conditions of a home workshop, replacing the turned parts with curved ones from the sheet and welding with bolted joints.

Structurally, the mower is a four-wheel cart; an impeller-knife is fixed in the picoli of a vertically mounted drill. The engine turns on - and a sharply sharpened "propeller" cuts the grass, leaving an awn no more than two or three centimeters high.

The base of the trolley (platform!) is duralumin (5 mm thick) or plywood (15 mm thick | plate with cutouts for wheels and screwed front and rear axles. The diameters of the axles must correspond to the holes in the wheels from a pram or tricycle.

On the axis of symmetry of the platform, a round hole is cut for the cone of the drill. The tool itself is fixed on the platform with a clamp, the body of which is turned on a lathe from steel, and the clamping lugs are welded to it. According to the same dimensions, a clamp can also be made from sheet steel with a thickness of 2 mm.

Drill mower
Rotary mower and its wiring diagram

The mower knife is cut from a 1,5 mm thick steel strip. One of its sides is sharpened at an angle of 30 °, and the other is bent, as shown in the figure. For docking leather with a drill, you will need a flange and a washer, they can be machined on a lathe. The knife, flange and washer are connected with M6 countersunk screws. After assembly, the screws are punched out. You can do without turning work by holding the knife in a hairpin between two nuts and washers.

The mower handle is welded from steel pipes Ø 20-22 mm and a steel plate with dimensions of 10x30x90 mm. A steel box is welded between the pipe-handle and the pipe-rod - an electrical connector and a toggle switch for turning on the engine are located on it. The rod is fixed on the platform through the sector: this design allows you to change its angle with respect to the platform.

Rotary mower device and its main parts (click to enlarge): 1 - handle, 2 - electric drill, 3 - clamp, 4 - platform, 5 - flange, 6 - knife, 7 - washer, 8 - knife guard, 9 - wheel, 10 - regulation sector

And the last thing to do is to install the knife guard. It is bent from a steel or duralumin strip and fixed to the platform with several steel corners and five-millimeter bolts with nuts.

After preliminary assembly and testing of the mower, the unit is disassembled, painted and reassembled. An electrical connector, a toggle switch are mounted on it, handles from a bicycle steering wheel are pulled onto the crossbar of the lever - and with a mower you can go out onto the lawn. When mowing grass, make sure that the electric wire does not get under the knife.

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A new type of tablet from Lenovo 11.09.2016

Lenovo has introduced Yoga Book - a new type of tablet, as it was dubbed by the Western media. The manufacturer himself claims that the work of the Yoga Book is fundamentally different from how tablets of a similar form factor already present on the market work.

Yoga Book consists of two halves connected by a branded hinge, similar to a wristwatch strap. The company already uses such a hinge in its convertible Yoga laptops, making them easily recognizable in the market.

The first half of the Yoga Book contains a touch screen, the second half is a touch area across the entire surface area, on which, like on the screen, you can also write with a stylus. When laptop mode is activated, LEDs in this half turn on, which illuminate the buttons of the touch keyboard. The touch area turns into a touch keyboard.

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The Yoga Book will be available in September 2016 for €499 for the Android version and €599 for the Windows version.

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