The ornamental design for a cablespoolsupportframe, as shown and described.
FIG. 1 is a front elevation view of the cable spool support frame showing my new design;
FIG. 2 is a first side elevation view of the invention thereof;
FIG. 3 is a second side elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view of two attached cable spool support frames showing my new design.
The broken line showing of a second cable spool support and the cable spools of FIG. 7 shows environmental subject matter and forms no part of the claimed design.