3 HP 16-20nm Agricultural Bevel Miter Gearbox for Sale

3 HP 16-20nm Agricultural Bevel Miter Gearbox for sale

The Role of Gearboxes in Agricultural Applications

Right-angle power transmission: Their basic role is to efficiently transmit power from one shaft to another when the two shafts are not in a straight line, but intersect at an angle (usually 90 degrees). This is critical for many agricultural implements, because the power input to the tractor's PTO (power take-off) is longitudinal, but the working parts of the agricultural implement need power to rotate along a vertical axis.

Direction change: Gearboxes can effectively change the direction of rotation. For example, if the input shaft rotates horizontally, the output shaft will rotate vertically, and vice versa, depending on the direction of the gears.

Speed synchronization (for bevel gears): When bevel gears are used exclusively (1:1 transmission ratio), the gearbox ensures that the output shaft rotates at exactly the same speed as the input shaft, thus maintaining synchronized rotational motion between the two vertically oriented components. For general bevel gearboxes, other transmission ratios are possible.

Durability and robustness: The agricultural environment is extremely demanding. These transmissions feature rugged housings (typically cast iron or aluminum) and high-strength, heat-treated steel bevel gears to withstand the heavy loads, shock, dust, dirt, moisture, and vibration common in field operations.

Driveline Protection: By providing a rugged and enclosed power transfer point, the transmission helps protect the internal components of the implement and the tractor's PTO driveline from direct impact from environmental factors and mechanical stress.

Applications of Bevel Gearboxes in Agriculture

Bevel Gearboxes in Agriculture are widely used in agricultural machinery where power needs to be transmitted at right angles, usually to drive rotating or oscillating parts.

Rotary Tillers/Rotary Tillers: Absolutely essential. They transmit power from the PTO shaft (via the drive shaft) to a horizontal shaft that drives the rotating teeth, thus tilling the soil.

Mowers (Rotary Mowers/Brush Mowers, Finish Mowers): Core application. They transmit power from the longitudinal PTO shaft of the tractor to the vertical spindle that drives the blade rotation.

Flail Mowers/Stalk Choppers: In these machines, bevel gearboxes are used to drive the horizontal rotor shaft that carries the flails, thus comminuting the crop residue.

Hole Diggers: They are the basis of the design, transmitting power from the PTO shaft to the vertical auger used to dig the hole.

Fertilizer Spreaders (Rotary Disc): Usually used to drive a vertical rotating disc to distribute granular fertilizer, ensuring uniform spreading.

Snowblowers (tractor mounted): They transfer power from the power take-off (PTO) to the auger and impeller for collecting and throwing snow.

Certain harvesting equipment: In certain designs of vegetable harvesters or specialty crop harvesters, a right-angle drive is required to drive the conveying, cutting, or lifting mechanisms.

Pumps and sprayers (PTO driven): In some designs, a bevel gearbox may be used to connect the PTO to a pump that requires a different input shaft.

We could offer proper agricultural chain gearbox for our customers according to their agricultural machines. If dimension and Input speed and gear ratio are offered, HZPT could offer you whatever you want.

ODM (original design manufacturing) service is provided when manufacturing an agricultural chain gearbox.

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