The solar tracking arrangement enables a plurality of parallel arranged PTCs to be directed towards the travelling sun. The solar tracking arrangement comprises a drive means, a transmission means, and a plurality of conversion means. The transmission means are connected with the drive means and to each of the plurality of conversion means. The transmission means is configured to convey an operating movement caused by the drive means to the plurality of conversion means, and each of the conversion means is configured to convert the conveyed operating movement into a pivoting movement of a respective one of the plurality of PTCs about a focus line, such that each of the pivoting movements directs the respective PTC towards the travelling sun. One or more of the conversion means are adjustably connected with the transmission means in a direction along the transmission means.

A rack, especially for photovoltaic modules, consists of a rounded, shaped guide, on which a main frame is fitted via at least three bearing-fitted grips, with an upper frame being attached to the top of the main frame in at least two support points, the upper frame being further connected to the main frame via linear actuators. The main frame is based on the guide by means of track rollers, whose number is equal to the number of support points, and at least two anchoring elements are located on the outer perimeter of the guide, the anchoring elements arranged in at least two points within an angular distance not smaller than 15 degrees from each other. A driving chain is anchored in a non-stationary fashion on anchoring elements to the guide, from the outer side of the guide and in the lower part of the guide, and a driving mechanism is attached to the main frame, the driving mechanism consisting of a driving toothed element, connected to a motor, and of tension rollers.

The solar heating apparatus has a base box and a main axle mounted on the base box. At least one mirror support arm is mounted orthogonal to the main axle and supports a plurality of mirrors. In a first embodiment, a circular plate on the side of the base box rotates the main axle to bank the mirrors to track azimuth and a belt or chain drive rotates the mirror support arms to track elevation. In a second embodiment, the main axle is a beam mounted on a rotating circular plate on top of the base box to track azimuth and bevel gears drive a belt or chain drive that rotates the mirror support arms to track elevation. In a third embodiment, the mirror support arms are driven to rotate by bevel gears and the main axle through belt or chain drives.

The solar heating apparatus has a base box and a main axle mounted on the base box. At least one mirror support arm is mounted orthogonal to the main axle and supports a plurality of mirrors. In a first embodiment, a circular plate on the side of the base box rotates the main axle to bank the mirrors to track azimuth and a belt or chain drive rotates the mirror support arms to track elevation. In a second embodiment, the main axle is a beam mounted on a rotating circular plate on top of the base box to track azimuth and bevel gears drive a belt or chain drive that rotates the mirror support arms to track elevation. In a third embodiment, the mirror support arms are driven to rotate by bevel gears and the main axle through belt or chain drives.

An energy concentrating apparatus includes: a mounting platform, a mounting support, a rotating support, a reflective mirror, an arc-shaped slide rail, a linking rod, a sliding parts, a drive device, and a pull rope. The mounting support is located on the mounting platform. A rotation shaft of each rotating support is rotatably located on the corresponding mounting support, and a rotation shaft of each reflective mirror is rotatably located on the corresponding rotating support. The arc-shaped slide rail is located on the mounting platform, and the sliding parts is slidably located in the arc-shaped slide rail, the linking rod is connected to the sliding parts and the reflective mirror respectively, and a curvature of the arc-shaped slide rail is different such that the reflective mirror rotates towards a different direction.

The solar tracking arrangement enables a plurality of parallel arranged PTCs to be directed towards the travelling sun. The solar tracking arrangement comprises a drive means, a transmission means, and a plurality of conversion means. The transmission means are connected with the drive means and to each of the plurality of conversion means. The transmission means is configured to convey an operating movement caused by the drive means to the plurality of conversion means, and each of the conversion means is configured to convert the conveyed operating movement into a pivoting movement of a respective one of the plurality of PTCs about a focus line, such that each of the pivoting movements directs the respective PTC towards the travelling sun. One or more of the conversion means are adjustably connected with the transmission means in a direction along the transmission means.

A rotary actuator has a rotatable platform rotatably supported on a base. The rotatable platform has a friction surface. An actuator band is operated by a band clamp so as to be selectively frictionally engageable with the friction surface. A motion actuator is coupled between the base and the actuator band such that change in length of the motion actuator causes corresponding movement of the actuator band. A brake band is operated by a brake band actuator so as to be selectively frictionally engageable with the friction surface, the brake band anchored to the base.

A solar generator apparatus includes: a generator module having first to fourth corner portions; a middle column mounted on a fixed structure and pivotally connected to the generator module; first and second winding devices attached to the middle column; first to fourth cables; and first to fourth elastic anchors. The first to fourth cables have first ends respectively connected to the first to fourth corner portions. The first and third cables are wound around the first winding device. The second and fourth cables are wound around the second winding device. The first to fourth elastic anchors are elastically mounted on the fixed structure. The first to fourth cables respectively pass through the first to fourth elastic anchors to form two W-shaped structures. Each elastic anchor includes an elastic member and a restricting member connected in parallel. The restricting member restricts a maximum deformation amount of the elastic member.

Disclosed herein is a multilayer solar module installation structure. The multilayer solar module installation structure includes: a pair of frames which are spaced apart from each other, and in which guide grooves are formed through the opposite side surfaces thereof in longitudinal directions; and solar modules which are installed on upper and lower sides between the frames so that they are movable along the guide grooves, and which convert the solar energy of incident solar light into electric energy. Through this configuration, the solar modules are disposed on the upper and lower sides of the frames, thereby achieving the effect of efficiently using a solar light installation space.

Tracking systems for adjusting a photovoltaic array are disclosed. In some embodiments, the tracking system includes an actuator that moves one or more links to cause the array to rotate. The tracking system may be disposed below a torque rail of the tracking system. The actuator may be a slew drive that retracts or extends the one or more links to cause the array to rotate.