TRAY DEVICE, BATTERY PRODUCTION LINE, AND REPLACEMENT METHOD FOR PRESSURIZING MEMBER OF TRAY DEVICE

Embodiments of the present disclosure provide a tray device, a battery production line, and a replacement method for a pressurizing member of a tray device. The tray device comprises a tray and at least one pressurizing mechanism arranged on the tray; the pressurizing mechanism comprises end plate pressurizing tools arranged in pairs; the end plate pressurizing tools arranged in pairs are used for pressurizing battery modules in a first direction; at least one end plate pressurizing tool comprises a mounting seat and a pressurizing member; the pressurizing member is used for being in contact with an end plate of each battery module; an insertion slot is formed in one of the mounting seat and the pressurizing member, and the other of the mounting seat and the pressurizing member is provided with an insertion member, the insertion member is fitted into the insertion slot so as to detachably mount the pressurizing member onto the mounting seat; the insertion member is fitted into the insertion slot in a second direction of the tray device, wherein the second direction is perpendicular to the first direction; moreover, the pressurizing member can move upwards under the action of external force to be separated from the mounting seat.