9 Inch Dual Axis Slew Drive Easy Maintain And Save Installation Space

The slewing drive is a gearbox that can safely hold radial and axial loads, as well as transmit a torque for rotating.
The rotation can be in a single axis, or in multiple axes together.Slewing drives are made by manufacturing gearing,bearings, seals, housing, motor and other auxiliary components and assembling them into a Únished gearbox.
Slewing drive is widely applied in modular trailers, cranes, timber grab equipment,aerial working platform, solartracking systems wind power systems, etc.
slewing drive is suitable for high-latitude areas and the eÜciency of power generation will be increased over 35%,which signiÚcantly improve the eÜciency of solar power generation system.
For horizontal single-axis solar tracking system, the main shaft of solar panel will adjust the angle to precisely track the declination angle. This kind of slewing drive is only applied for low latitudes area.
By adopting slewing bearing as its core component, slewing drive can bear axial force, radial force and tilting moment simultaneously. Slewing drive is widely applied in solar tracking systems.
The solar tracking system is divided into Horizontal single-axis solar tracking system, Tilted Single-Axis Tracker and Dual axis solar tracking system.
The slewing drives which are used in solar tracking systems are mainly single axis (SE series), dual axis (SDE series) and vertical type (VE series). And the most common used models are SE3, SE5, SE7, SE9; SDE3 and VE7, VE9.

Solar Tracking System Enclosed Housing Slew Drive With tilting moment capacity
Slewing drive’s mainly consists of a slewing bearing, a worm shaft&motors(AC,DC, hydraulic). It can also bear axial load, radial load and tilting moment.The main advantage is easily to install,maintain and save installation space.

SE Enclosed Housing Slew Drive help power movement across industries and are perfect for situations requiring both load-holding and rotational torque from the same gearbox. Typical applications include solar trackers, wind turbines, satellite and radar dishes, truck cranes, man lifts, utility equipment, hydraulic equipment attachments, oil tool equipment, tire handlers, digger derricks, and automotive lifts.
Enclosed Housing Slew Drive provide load support and controlled rotational torque in both single and dual-axis solar trackers.Our in-house solar tracker is used for accelerated life cycle tests of applied torque, radial, and axial loads, and overturning movement. There is a special weighted cage structure so that we can mimic up to 120 square meter PV panel.

SE Enclosed Slew Drives help power movement across industries and are perfect for situations requiring both load-holding and otational torque from the same gearbox. The slewing drive is a modernized take on the worm drive mechanism that dates back many centuries and was widely used during the Renaissance Era. Pappus of Alexandria (3rd century AD), a Greek mathematician is credited for an early version of the endless screw, which would later evolve into the worm drive.

SE Series Worm Gear slewing drive for solar tracker system

Slewing drives are commonly used mechanical devices, found today in applications such as construction cranes, solar tracking systems and industrial equipment. The basic technology found in these drive mechanisms, however, is very old dating back to Ancient Greece, and employed by Leonardo da Vinci in many of his Renaissance inventions. Modern slewing drives represent the modern evolutions of an ancient and highly effective basic machine, the worm drive or endless screw.
A quality modern slewing drive includes a sound mounting structure, a slew bearing, rotational movement and power controls to facilitate perfect motion. In operation, the drive converts axial movement (force exerted on an axis) into radial/rotary torque, allowing the rotation of greater loads with more accuracy, while also enabling geared torque amplification.

The slewing drive does this by meshing the grooves of a horizontal screw (the worm) with the teeth of a gear placed perpendicular to the screw. The gear rotates as the screw turns, and the screw’s axial movement force is then transmitted to the radial gear as magnified output torque.

While the basic idea behind the slewing drive is not new, the modern incarnations of this device feature many relatively recent innovations. Kinematics’ patented hourglass screw design, for example, increases the number of gear teeth that can be engaged with the worm grooves at once, greatly improving force transition over standard worm designs by meshing much more efficiently with the radial gear. This, in turn, significantly increases the drive’s survivability load, positioning accuracy and rotational smoothness.

Enclosed in a rugged and tested enclosure to protect the mechanism from water, dust, dirt and other particulate contaminants, the resulting Kinematics slewing drive gearbox delivers a powerful means of creating accurate rotational force in many of the world’s most demanding applications.

By adopting slewing bearing as its core component,slewing drive can bear axial force, radial force and tilting moment simultaneously. Slewing drive is widely applied in modular trailers, all types of cranes, aerial working platform, solar tracking systems and wind power systems.
Electric and planetary gearboxes can be designed according to customer's requirement.Slewing drive has the advantage for saving space in facilities,max load capacity in a compact design,extensive lifespan, reduced maintenance costs.

Applications

SE Enclosed Slew Drives help power movement across industries and are perfect for situations requiring both load-holding and rotational torque from the same gearbox. Typical applications include solar trackers, wind turbines, satellite and radar dishes, truck cranes, man lifts, utility equipment, hydraulic equipment attachments, oil tool equipment, tire handlers, digger derricks, and automotive lifts.
Specifications

Our base model sizes deliver performance ranges from 6kNm to 220kNm of holding torque, 200Nm to 63kNm of output torque, 500Nm to 271kNm of overturning moment load capacity, and gearbox reduction ratios of 30:1 up to 156,600:1. The mounting can be done horizontally, vertically, or across a combination of multiple axes. Get detailed specifications.
The vertical slewing drive is generally installed perpendicular to the ground and is widely used in various photovoltaic power generation projects, such as trough power generation. Sometimes the drive end can be installed a vertical slewing drive, and the non-drive end can choose to use a bearing housing.For example, the drive of the flat single-axis system is widely used in this kind of structure. PE series slewing drive is our high precision type slew drive, usually we have three precision grades: I≤0.05°,II≤0.07°and III≤0.09°and this model with enclosed housing, it can prevent dust and water from entering the inside. If customer intends to use solar panels,its can handle 18-30m2 solar panels area.

Solar tracker comprises of several parts including sun tracking algorithm, control unit, positioning system, drive mechanism system, sensing devices, wind guard, tubes, and rods. Growing demand for energy supplemented by fluctuating fuel oil prices, increase in efficiency of solar panels by the use of solar trackers and increased product demand are expected to bolster the overall solar tracker market growth.

Slewing drive is a main part in solar tracker. By adopting slewing bearing as its core component, slewing drive can bear axial force, radial force and tilting moment simultaneously.

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