ФРЕЗА ТРАКТОР РУЧНА СІЛЬСЬКОГОСПОДАРСЬКА МАШИНА ПЛУГ ПЛУГ КРЕПЛЕННЯ 3D Модель

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More Information About 3D Model :
**POWER TILLER TRACTOR HAND AGRICULTURAL MACHINE PLOW PLOUGH MOUNT**

A power tiller, also formally known as a two-wheel tractor or hand tractor, is a versatile, motorized agricultural implement designed for operation by a pedestrian farmer (walk-behind). When configured with a plow mount, the machine functions specifically as a miniature prime mover, applying draft force to pull and guide a single-bottom moldboard plow for primary tillage operations. This configuration facilitates soil inversion and preparation, particularly in small-scale farming, terraced landscapes, and flooded rice paddies where conventional four-wheel tractors are impractical due to size, weight, or cost constraints.

### Nomenclature and Definition

The machine is generally defined by its mobility and power source, being a high-clearance unit featuring two main driving wheels and guided by a set of handlebars. The term "power tiller" is often used interchangeably with "rotavator," though the latter specifically refers to the rotary action of cultivating blades. In the context of a "plow mount," the machine is utilized as a traction engine—a small tractor—with the rotary tines typically removed or lifted, relying instead on the specialized hitching mechanism for implementing the plow.

### Mechanical Structure and Drive System

The core unit consists of an internal combustion engine (typically single-cylinder diesel or gasoline, ranging from 5 to 18 horsepower) directly connected to a geared transmission system. This engine and transmission unit is centrally mounted between two large, aggressive-tread pneumatic tires or steel cage wheels (essential for traction in wet soil).

1. **Transmission:** Power tillers feature a multi-speed gearbox, allowing for both field work speeds (low gear, high torque) and transport speeds (higher gear). Most models also include a reverse gear.
2. **Steering and Control:** Steering is achieved through a combination of differential braking mechanisms and clutch levers mounted on the handlebars, allowing the operator to disengage power momentarily from one wheel to execute a turn.
3. **Power Take-Off (PTO):** A dedicated PTO shaft, often driven independently of the main wheel axle, is crucial for powering rotary attachments, spray pumps, or, in some plow configurations, stabilizing implements.

### The Plow Mount Implementation

The plow attachment transforms the tiller from a cultivator into a soil inverter. The most common implement used is the standard single-bottom moldboard plow, designed to cut, lift, and invert a furrow slice.

1. **Hitching Mechanism:** The plow is attached to the rear of the power tiller via a specialized hitch assembly. While not a standardized three-point hitch system common to larger tractors, it utilizes a linkage (often a single drawbar with adjustable pivot points) to allow for pitch (fore-aft angle) and depth control.
2. **Depth Control:** Plowing depth is typically regulated by an adjustable depth wheel or skid mounted either on the plow implement itself or directly attached to the tiller's drawbar. This wheel runs in the unplowed land, stabilizing the assembly and dictating the depth of the furrow.
3. **Draft and Balance:** Successful plowing requires significant draft force. The operator must manage the machine’s balance carefully; the weight of the plow must counterbalance the forward draft force exerted by the engine. The plowing action demands the machine maintain lateral stability, relying heavily on the operator's guidance to prevent the implement from drifting out of the furrow line.

### Applications and Efficiency

The power tiller with a plow mount is a vital piece of machinery for subsistence farming and small commercial operations across South and Southeast Asia, Africa, and parts of Europe.

* **Primary Tillage:** It is utilized for initial breaking of hard soil or deeply incorporating crop residue.
* **Paddy Preparation:** Specifically, in wetland rice cultivation, the plow is used prior to puddling to ensure deep preparation, often followed by rotary cultivation.

While smaller and less efficient than large agricultural tractors, the hand tractor configuration is economically viable, highly maneuverable in tight spaces, and significantly reduces the labor required compared to animal-drawn plows.

KEYWORDS: Two-wheel tractor, Walk-behind tractor, Hand tractor, Power tiller, Agricultural machinery, Primary tillage, Moldboard plow, Single-bottom plow, Farm implement, Rotary cultivator, Draft force, Soil inversion, PTO shaft, Diesel engine, Small-scale farming, Subsistence agriculture, Wetland cultivation, Rice paddy, Tractor attachment, Furrowing, Land preparation, Geared transmission, Drawbar hitch, Pitch adjustment, Depth control, Operator guidance, Mechanical cultivation, Engine horsepower, Tiller-plow system, Agricultural technology.