Synchronous power device is used to electric bicycle capability test platform

The utility model provides a synchronous power device is used to electric bicycle capability test platform, includes the base, active roller and return idler, and wherein active roller and return idler interval are installed inside the base adjustablely, and install the location gear on the base, an active roller side -mounting driving motor, opposite side installation driving gear, a return idlerside -mounting driven gear, a plurality of take -up pulleys are installed to the both sides of driving gear, and driving gear, take -up pulley, location gear and driven gear pass through rack synchronous belt drive and connect, and this synchronization power device can be before the assurance, reduce to exert the horizontal stiction for the wheel when it rotates under the prerequisite of back gyro wheel power, have shortened the drive belt total length simultaneously, have solved its tired tensile problem that leads to the fact because of repetitious usage. 种电动自行车性能测试平台用同步动力装置，包括底座，主动滚轮及从动滚轮，其中主动滚轮及从动滚轮间距可调地安装在底座内部，且