Crossbeam structure of battery cabinet

The utility model discloses a crossbeam structure of a battery cabinet. The crossbeam structure comprises two vertical plates and load-bearing bars, wherein each vertical plate comprises a skeleton and a panel, the skeleton comprises at least one cross-arm towards the front-back direction, the cross-arm is provided with a positioning piece with the length being basically identical to that of the cross-arm, the positioning piece vertically extends upwards, a gap is arranged between the positioning piece and the panel, and the upper end of the positioning piece is provided with a notch; the lower end of each end of each load-bearing bar is provided with a positioning groove which corresponds to the notch and is capable of inlaying the positioning piece into the load-bearing bar. By utilizing the inlaid connection of the grooves, the load-bearing bars are fixed between the two vertical plates, so that the battery cabinet of the structure is not only convenient to install, but also low in production cost and high in economic benefit.