SPIKE DENTE GRADE MONTAGEM MÃO TRATOR ANDAR ATRÁS DO JARDIM Modelo 3D

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More Information About 3D Model :
The Spike Tooth Harrow Mount for Walk-Behind Tractors is a specialized agricultural implement designed for secondary tillage operations, intended for use on small to medium-scale agricultural plots and domestic gardens. This attachment is characterized by a series of rigid, non-flexible steel tines (spikes or pegs) affixed to a sturdy frame, designed to be mechanically coupled to a single-axle, pedestrian-controlled power unit, commonly referred to as a walk-behind tractor or hand-walking tractor.

### Nomenclature and Classification

The implement falls under the category of mounted passive tillage equipment. It is alternatively known as a Peg Tooth Harrow, Drag Harrow, or Finishing Harrow when used in this configuration. The "mount" designation specifies that it is a dedicated attachment utilizing the power take-off (PTO) or rigid mounting bracket of the walk-behind tractor for propulsion and depth control, rather than being a standalone, gravity-driven drag implement. Its primary function is soil preparation following initial breaking tillage (plowing or rototilling).

### Design and Construction

The structure typically consists of a heavy-gauge steel frame, often rectangular or triangular, sized appropriately for the horsepower output and width of the prime mover, usually ranging from 60 cm to 100 cm in operational width.

1. **Tines (Spikes):** The distinguishing feature is the array of spike teeth. These are manufactured from hardened steel and possess rigid, vertical shanks, typically square or diamond in cross-section, sharpened or pointed at the base. The tines are generally affixed perpendicularly to the frame and arranged in staggered rows. This staggered configuration ensures that the entire operational width of the implement is covered, preventing ridges and maximizing the breakdown of clods without excessive accumulation of residue between the tines.
2. **Mounting System:** The connection mechanism is critical. It utilizes a proprietary or standard hitch system (e.g., a quick-hitch sleeve or a flange attachment) designed to integrate seamlessly with the specific model of the walk-behind tractor. This system allows the operator, via the tractor's handlebars and linkage, to adjust the working depth of the harrow and lift it clear of the ground for transport or turning.
3. **Depth Control:** Unlike larger, towed harrows which rely on weight and angle adjustment, depth control in the walk-behind mount is primarily managed through the tractor’s integrated three-point linkage system (if equipped) or through adjustable skid shoes or gauge wheels affixed to the harrow frame, which regulate how deeply the tines penetrate the soil surface.

### Functional Operation

The Spike Tooth Harrow operates by engaging the rigid tines with the soil surface as the walk-behind tractor provides forward propulsion. The spikes penetrate the soil, breaking apart remaining clods left by primary tillage and shearing the upper layer of the soil profile.

The principal functions include:

1. **Seedbed Refinement:** The primary objective is to create a fine, uniform soil consistency, known as tilth, necessary for optimal seed-to-soil contact and successful germination of small seeds (e.g., vegetable crops, grasses).
2. **Leveling and Smoothing:** The rigid frame and distributed pressure flatten uneven terrain, eliminating furrows and high spots, which is crucial for efficient planting and subsequent mechanical cultivation.
3. **Light Weed Control:** The action shears or pulls out small, shallow-rooted weeds (thread stage weeds) immediately prior to planting, providing a clean surface.
4. **Residue Incorporation:** It aids in lightly mixing broadcast fertilizers, compost, or small amounts of crop residue into the uppermost layer of the soil.

### Operational Context

The spike tooth harrow mount is ideally suited for relatively dry, medium-textured soils where residual clod structure needs remediation. It is less effective in heavy clay or extremely rocky ground compared to specialized chisel or disc harrows. Its compact size and maneuverability make it highly advantageous for intensively cultivated market gardens, greenhouses, and small acreage plots where space constraints preclude the use of larger, four-wheel-drive agricultural machinery. The implement is valued for providing high-quality finish tillage with minimal soil compaction, given the single-axle design of the prime mover.

KEYWORDS: Tillage, Spike Tooth Harrow, Walk-Behind Tractor, Secondary Tillage, Peg Tooth Harrow, Garden Implement, Agricultural Attachment, Single-Axle Tractor, Seedbed Preparation, Soil Leveling, Finishing Harrow, Power Tiller Accessory, Horticultural Machinery, Rigid Tine, Farm Equipment, Soil Refinement, Hand Walking Tractor, Cultivation, Clod Breaking, Non-Powered Tillage, Pedestrian Controlled, Market Gardening, Quick Hitch, Depth Control, Soil Tilth, Staggered Rows, Agricultural Engineering, Earth Working, Compact Machinery, Passive Tillage.