Bottom dedusting and interphase short circuit prevention device for vertical bus chamber of low-voltage drawer cabinet

The utility model relates to a low-voltage drawer cabinet vertical bus chamber bottom dedusting and interphase short circuit prevention device, and belongs to the technical field of power distribution cabinets. According to the technical scheme, after an inclined plane II (8) of a vertical busbar bottom support (15) is matched with an inclined plane I (14) of a vertical busbar bottom insulation supporting plate (9), the upper surface of the vertical busbar bottom support is a plane; copper bar clamping grooves (19) are formed in the upper surface of the vertical busbar bottom support (15), the bottoms of a C-phase vertical copper bar (16), a B-phase vertical copper bar (17) and an A-phase vertical copper bar (18) are clamped in the corresponding copper bar clamping grooves respectively, and a plurality of dripping holes (20) are formed in the upper surface of the vertical busbar bottom insulation supporting plate. The utility model has the positive effects that the accumulated dust at the bottom of the vertic