Switch cabinet frame structure having closed base frame

1. A switch cabinet frame rack comprising a switch cabinet frame and a switch cabinet base, wherein the switch cabinet frame comprises multiple profile struts and a rectangular base frame, an underside of the rectangular base frame is an outer side of the switch cabinet frame rack, the rectangular base frame has at least one first through-opening, wherein the at least one first through-opening is closed by a first skid which is detachable mounted on the outer side of the switch cabinet frame rack,

wherein the outer side of the switch cabinet frame rack has a contact surface via which the switch cabinet frame rack is placed on the switch cabinet base, and

wherein the first skid is raised relative to the contact surface, and the switch cabinet base has a recess in which the first skid is accommodated.

2. The switch cabinet frame rack according to claim 1 , wherein the first skid is positively accommodated in the recess at least in a plane of the contact surface.

3. The switch cabinet frame rack according to claim 1 , wherein the first skid has at least one seal enclosing the at least one first through-opening, via which the first skid lies against the underside of the rectangular base frame in a fluidically sealing manner.

4. The switch cabinet frame rack according to claim 1 , wherein the first skid has a fastening element, the fastening element engages in the rectangular base frame via the at least one first through-opening and is fixed in the at least one first through-opening.

5. The switch cabinet frame rack according to claim 4 , wherein the fastening element is integrally formed on the first skid via a predetermined breaking point.

6. The switch cabinet frame rack according to claim 1 , wherein the at least one first through-opening in at least one of four corners of the rectangular base frame is closed by the first skid.

7. The switch cabinet frame rack according to claim 1 , wherein a packaging of the switch cabinet frame rack is arranged between the first skid and the underside of the rectangular base frame, wherein the first skid has a fastening element that extends through the packaging into the at least one first through-opening of the rectangular base frame.

8. The switch cabinet frame rack according claim 7 , wherein a fitting piece is formed on the fastening element, with the first skid engages in a cut-out of the packaging.

9. The switch cabinet frame rack according to claim 8 , wherein the first skid has a support flange formed on an outer circumference of the first skid and on the fitting piece, the support flange is spaced apart from the underside of the rectangular base frame by a thickness of the packaging.

10. The switch cabinet frame rack according claim 8 , wherein the first skid engages in the cut-out of the packaging in a positive-fitting manner.

11. The switch cabinet frame rack according to claim 7 , wherein the packaging is a cardboard box.

12. The switch cabinet frame rack according to claim 1 , wherein the first skid has a threaded passage extending perpendicularly to the underside of the rectangular base frame into which a levelling bolt accessible from an upper side of the rectangular base frame is screwed, the upper side opposite the underside.

13. The switch cabinet frame rack according to claim 12 , wherein a threaded passage is an injected threaded nut.

14. The switch cabinet frame rack according to claim 1 , wherein the first skid has a first bolt passage fluidically closed by a predetermined breaking point.

15. The switch cabinet frame rack according claim 14 , wherein the switch cabinet frame rack is placed with the rectangular base frame on the switch cabinet base, wherein the first bolt passage is fluidically closed via a predetermined breaking point, the first bolt passage is aligned with a second bolt passage of a base corner piece of the switch cabinet base and with a third bolt passage of the rectangular base frame, and wherein either the second bolt passage or the third bolt passage has an internal thread.

16. The switch cabinet frame rack according claim 1 , wherein the switch cabinet base has a base corner piece in each of four corners of the switch cabinet base, the base corner piece has at least one second through-opening through a base side of the base corner piece facing away from the rectangular base frame, the at least one second through-opening is closed by a second skid which is detachably mounted on the base side from the outer side of the base corner piece.

17. The switch cabinet frame rack according to claim 1 , wherein the switch cabinet frame rack is placed on a switch cabinet base, a shaped base corner piece at each of four corners of the switch cabinet base, the shaped base corner piece having a first outer wall and a second outer wall which extend perpendicular to each other, and an upper cover side and a lower base side which are arranged parallel to each other and perpendicular to the first and second outer walls, wherein the first and second outer walls, the upper cover side and the lower base side delimit an interior space of the base corner piece which is open towards a corner of the shaped base corner piece.

18. The switch cabinet frame rack according to claim 17 , wherein the shaped base corner piece is a sheet metal shaped base corner piece.

19. The switch cabinet frame rack according to claim 1 , wherein the first skid has two lever pockets on an outer circumference of the first skid, each of the two lever pockets is open to the outer circumference of the first skid and to the underside of the rectangular base frame.

20. The switch cabinet frame rack according to claim 1 , wherein the rectangular base frame comprises a base corner piece, the base corner piece has the recess.