A photovoltaic mounting structure includes a frame for holding a photovoltaic array including a plurality of widthwise channels so as to permit photovoltaic modules to be easily slid between pairs of the channels, the photovoltaic modules resting upon flanges of the channels. In various embodiments,
A photovoltaic mounting structure includes a frame for holding a photovoltaic array including a plurality of widthwise channels so as to permit photovoltaic modules to be easily slid between pairs of the channels, the photovoltaic modules resting upon flanges of the channels. In various embodiments, domed protrusions are disposed on lateral sides of the channel to prevent kinking of the modules and reduce friction, retention teeth are formed on upper surfaces of the flanges to position the modules; locator teeth are formed on lower surfaces of the flanges to guide the channels to predetermined spacing; and pre-installed mounting clips are attached to a top surface of the channel. The mounting clips each include an anti-rotation tab oriented downwardly and partially disposed in a corresponding hole in a top surface of the channel so as to prevent rotation of the mounting clip when a bolt of the mounting clip is rotated.
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1. A photovoltaic array mounting structure for supporting a photovoltaic array including a plurality of photovoltaic modules, each photovoltaic module having a length and a width, the photovoltaic array mounting structure comprising: a) a frame for holding the plurality of photovoltaic modules of th
1. A photovoltaic array mounting structure for supporting a photovoltaic array including a plurality of photovoltaic modules, each photovoltaic module having a length and a width, the photovoltaic array mounting structure comprising: a) a frame for holding the plurality of photovoltaic modules of the photovoltaic array, the frame including;i) a plurality of spaced apart, parallel lengthwise beams extending in a first direction along the length of the frame;ii) a plurality of spaced apart, parallel widthwise channels disposed on the plurality of lengthwise beams, the plurality of widthwise channels extending in a second direction along the width of the frame, the plurality of widthwise channels being spaced so as to receive the plurality of photovoltaic modules of the photovoltaic array between adjacent pairs of the plurality of widthwise channels, each channel of the plurality of widthwise channels including a top surface extending along the channel, a pair of lateral sides including a first lateral side and a second lateral side extending downwardly from opposite sides the top surface and a pair of flanges, a first flange of the pair of flanges extending outwardly from the first lateral side of the pair of lateral sides and a second flange of the pair of flanges extending outwardly from the second lateral side of the pair of lateral side, the top surface of the channel including a plurality of spaced apart fastener-receiving holes and a plurality of spaced apart anti-rotation tab holes, each anti-rotation tab hole of the plurality of anti-rotation tab holes being spaced from a corresponding fastener-receiving hole of the plurality of fastener-receiving holes by a predetermined distance as measured along a longitudinal extent of the top surface of the channel, edge portions of individual photovoltaic modules of the plurality of photovoltaic modules resting upon facing flanges of adjacent pairs of the plurality of widthwise channels;iii) a plurality of mounting clips, each mounting clip of the plurality of mounting clips disposed on a top surface of a respective channel of the plurality of widthwise channels, each mounting clip including a mounting hole, a downwardly extending anti-rotation tab spaced from the mounting hole and an outwardly extending pair of flanges;iv) a plurality of fasteners, for each mounting clip of the plurality of mounting clips, a fastener of the plurality of fasteners extending through the mounting hole of the mounting clip and into a fastener-receiving hole in the top surface of the corresponding channel to secure the mounting clip to the top surface of the channel, the anti-rotation tab being received in a respective anti-rotation tab hole of the top surface of the channel to prevent rotation of the mounting clip with respect to the channel as the fastener is tightened; andb) a plurality of supports connected to the plurality of lengthwise beams for elevating the frame. 2. The photovoltaic array mounting structure of claim 1 wherein the first direction is orthogonal to the second direction and the plurality of widthwise channels are spaced substantially evenly. 3. The photovoltaic array mounting structure of claim 1 wherein for each of mounting clip of the plurality of mounting clips, the mounting hole is spaced from the anti-rotation tab by a distance corresponding to the predetermined distance spacing the fastener-receiving hole from the corresponding anti-rotation hole, as measured along a longitudinal extent of the top surface of the channel. 4. The photovoltaic array mounting structure of claim 1 wherein for each channel of the plurality of widthwise channels, the first and second lateral sides each including at a plurality of dome-shaped protrusions extending outwardly from the first and second lateral sides. 5. The photovoltaic array mounting structure of claim 1 wherein the flanges of the channels include upwardly oriented retention teeth. 6. The photovoltaic array mounting structure of claim 1 wherein for each mounting clip of the plurality of mounting clips, the downwardly extending anti-rotation tab comprises a downwardly bent flap of the mounting clip. 7. The photovoltaic array mounting structure of claim 1 wherein each mounting clip of the plurality of mounting clips are attached to the channels prior to installation and each fastener of the plurality of fasteners comprises a threaded bolt and a retaining washer to raise corresponding flanges of the mounting clip upwardly with respect the pair of flanges of a corresponding channel of the plurality of widthwise channels. 8. The photovoltaic array mounting structure of claim 1 wherein each of the plurality of widthwise channels include downwardly oriented locator teeth to locate the channels of the plurality of widthwise channels along the plurality of lengthwise beams as the channels are attached to the beams. 9. A frame for a photovoltaic array mounting structure for supporting a photovoltaic array including a plurality of photovoltaic modules, the frame comprising: a) a plurality of spaced apart, parallel lengthwise beams extending in a first direction along the length of the frame;b) a plurality of spaced apart, parallel widthwise channels disposed on the plurality of lengthwise beams, the plurality of widthwise channels extending in a second direction along the width of the frame, the plurality of widthwise channels being spaced so as to receive the plurality of photovoltaic modules of the photovoltaic array between adjacent pairs of the plurality of widthwise channels, each channel of the plurality of widthwise channels including a top surface extending along the channel, a pair of lateral sides including a first lateral side and a second lateral side extending downwardly from opposite sides the top surface and a pair of flanges, a first flange of the pair of flanges extending outwardly from the first lateral side of the pair of lateral sides and a second flange of the pair of flanges extending outwardly from the second lateral side of the pair of lateral side, the top surface of the channel including a plurality of spaced apart fastener-receiving holes and a plurality of spaced apart anti-rotation tab holes, each anti-rotation tab hole of the plurality of anti-rotation tab holes being spaced from a corresponding fastener-receiving hole of the plurality of fastener-receiving holes by a predetermined distance as measured along a longitudinal extent of the top surface of the channel, edge portions of individual photovoltaic modules of the plurality of photovoltaic modules resting upon facing flanges of adjacent pairs of the plurality of widthwise channels;c) a plurality of mounting clips, each mounting clip of the plurality of mounting clips disposed on a top surface of a respective channel of the plurality of widthwise channels, each mounting clip including a mounting hole, a downwardly extending anti-rotation tab spaced from the mounting hole and an outwardly extending pair of flanges; andd) a plurality of fasteners, for each mounting clip of the plurality of mounting clips, a fastener of the plurality of fasteners extending through the mounting hole of the mounting clip and into a fastener-receiving hole in the top surface of the corresponding channel to secure the mounting clip to the top surface of the channel, the anti-rotation tab being received in a respective anti-rotation tab hole of the top surface of the channel to prevent rotation of the mounting clip with respect to the channel as the fastener is tightened. 10. The frame of claim 9 wherein the first direction is orthogonal to the second direction and the plurality of widthwise channel are spaced substantially evenly. 11. The frame of claim 9 wherein for each of mounting clip of the plurality of mounting clips, the mounting hole being spaced from the anti-rotation tab by a distance corresponding to the predetermined distance spacing the fastener-receiving hole from the corresponding anti-rotation hole, as measured along a longitudinal extent of the top surface of the channel. 12. The frame of claim 9 wherein for each channel of the plurality of widthwise channels, the first and second lateral sides each include a plurality of dome-shaped protrusions extending outwardly from the first and second lateral sides. 13. The frame of claim 9 wherein for each of the channels of the plurality of widthwise channels, the flanges of the channels include upwardly oriented retention teeth. 14. The frame of claim 9 wherein for each mounting clip of the plurality of mounting clips, the downwardly extending anti-rotation tab comprises a downwardly bent flap of the mounting clip. 15. The frame of claim 9 wherein for each mounting clip of the plurality of the mounting clips, the mounting clip is attached to a corresponding channel of the plurality of widthwise channels using a fastener of the plurality of fasteners prior to insertion of the plurality of photovoltaic modules into the frame. 16. The frame of claim 9 wherein each mounting clip of the plurality of mounting clips are attached to the channels prior to installation and each fastener of the plurality of fasteners comprises a threaded bolt and a retaining washer to raise corresponding flanges of the mounting clip upwardly with respect the pair of flanges of a corresponding channel of the plurality of widthwise channels. 17. The frame of claim 9 wherein each of the plurality of widthwise channels include downwardly oriented locator teeth to locate the channels of the plurality of widthwise channels along the plurality of lengthwise beams as the channels are attached to the beams. 18. A photovoltaic array comprising: a) a photovoltaic array including a plurality of photovoltaic modules, each photovoltaic module having a length and a width;b) a photovoltaic array frame having a width and a length for supporting the photovoltaic array, the photovoltaic array frame comprising:i) a plurality of spaced apart, parallel lengthwise beams extending in a first direction along the length of the frame;ii) a plurality of spaced apart, parallel widthwise channels disposed on the plurality of lengthwise beams, the plurality of widthwise channels extending in a second direction along the width of the frame, the plurality of widthwise channels being spaced so as to receive the plurality of photovoltaic modules of the photovoltaic array between adjacent pairs of the plurality of widthwise channels, each channel of the plurality of widthwise channels including a top surface extending along the channel, a pair of lateral sides including a first lateral side and a second lateral side extending downwardly from opposite sides the top surface and a pair of flanges, a first flange of the pair of flanges extending outwardly from the first lateral side of the pair of lateral sides and a second flange of the pair of flanges extending outwardly from the second lateral side of the pair of lateral side, the top surface of the channel including a plurality of spaced apart fastener-receiving holes and a plurality of spaced apart anti-rotation tab holes, each anti-rotation tab hole of the plurality of anti-rotation tab holes being spaced from a corresponding fastener-receiving hole of the plurality of fastener-receiving holes by a predetermined distance as measured along a longitudinal extent of the top surface of the channel, edge portions of individual photovoltaic modules of the plurality of photovoltaic modules resting upon facing flanges of adjacent pairs of the plurality of widthwise channels; andiii) a plurality of mounting clips, each mounting clip of the plurality of mounting clips disposed on a top surface of a respective channel of the plurality of widthwise channels, each mounting clip including a mounting hole, a downwardly extending anti-rotation tab spaced from the mounting hole and an outwardly extending pair of flanges, a downwardly extending anti-rotation tab and an outwardly extending pair of flanges; andiv) a plurality of fasteners, for each mounting clip of the plurality of mounting clips, a fastener of the plurality of fasteners extending through the mounting hole of the mounting clip and into a fastener-receiving hole in the top surface of the corresponding channel to secure the mounting clip to the top surface of the channel, the anti-rotation tab being received in a respective anti-rotation tab hole of the top surface of the channel to prevent rotation of the mounting clip with respect to the channel as the fastener is tightened, upon tightening of the fastener, the pair of flanges of the mounting clip bear against edge portions of respective photovoltaic modules of the plurality of photovoltaic modules to hold the respective photovoltaic modules in place with respect to the plurality of widthwise channels. 19. The photovoltaic array of claim 18 wherein for each channel of the plurality of widthwise channels, the first and second lateral sides each include a plurality of dome-shaped protrusions extending outwardly from the respective first and second lateral sides. 20. The photovoltaic array of claim 18 wherein for each of the channels of the plurality of widthwise channels, the flanges of the channels include upwardly oriented retention teeth structured and arranged so as to permit retention of the photovoltaic modules in predetermined positions. 21. A photovoltaic array mounting structure for supporting a photovoltaic array including a plurality of photovoltaic modules, each photovoltaic module having a length and a width, the photovoltaic array mounting structure comprising: a) a frame for holding the plurality of photovoltaic modules of the photovoltaic array, the frame including;i) at least one lengthwise beam extending in a first direction along the length of the frame;ii) a plurality of spaced apart, parallel widthwise channels disposed on the at least one lengthwise beam, the plurality of widthwise channels extending in a second direction along the width of the frame, the plurality of widthwise channels being spaced so as to receive the plurality of photovoltaic modules of the photovoltaic array between adjacent pairs of the plurality of widthwise channels, each channel of the plurality of widthwise channels including a top surface extending along the channel, a pair of lateral sides including a first lateral side and a second lateral side extending downwardly from opposite sides the top surface and a pair of flanges, a first flange of the pair of flanges extending outwardly from the first lateral side of the pair of lateral sides and a second flange of the pair of flanges extending outwardly from the second lateral side of the pair of lateral side, the top surface of the channel including a plurality of spaced apart fastener-receiving holes and a plurality of spaced apart anti-rotation tab holes, each anti-rotation tab hole of the plurality of anti-rotation tab holes being spaced from a corresponding fastener-receiving hole of the plurality of fastener-receiving holes by a predetermined distance as measured along a longitudinal extent of the top surface of the channel, edge portions of individual photovoltaic modules of the plurality of photovoltaic modules resting upon facing flanges of adjacent pairs of the plurality of widthwise channels;iii) a plurality of mounting clips, each mounting clip of the plurality of mounting clips disposed on a top surface of a respective channel of the plurality of widthwise channels, each mounting clip including a mounting hole, a downwardly extending anti-rotation tab spaced from the mounting hole and an outwardly extending pair of flanges; andiv) a plurality of fasteners, for each mounting clip of the plurality of mounting clips, a fastener of the plurality of fasteners extending through the mounting hole of the mounting clip and into a fastener-receiving hole in the top surface of the corresponding channel to secure the mounting clip to the top surface of the channel, the anti-rotation tab being received in a respective anti-rotation tab hole of the top surface of the channel to prevent rotation of the mounting clip with respect to the channel as the fastener is tightened.
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