Timber length measuring device of feller

The utility model provides a timber length measuring device for a feller, which belongs to the field of timber measuring devices and comprises a measuring wheel seat, a measuring wheel, an encoder and an adjusting rod, the measuring wheel seat is rotatably connected with a frame of the feller, the measuring wheel and the encoder are respectively arranged on two sides of one end of the measuring wheel seat, and the measuring wheel is connected with one end of the encoder. The lower end of the adjusting rod is hinged to one side of the other end of the measuring wheel seat, and the upper end of the adjusting rod is fixedly connected with a rack of the feller through a ball joint support. According to the utility model, the length of the wood can be accurately measured, and the pre-tightening force of the measuring wheel can be adjusted as required, thereby effectively avoiding inaccurate measurement caused by too small pressure between the measuring wheel and the wood or severe wear of the measuring wheel cause