就是差不多这种: https://www.relifesports.com/product/chin-up-station/?utm_source=Google%20Shopping&utm_campaign=1111&utm_medium=cpc&utm_term=7190&gad_source=1&gclid=CjwKCAiA75itBhA6EiwAkho9e5v_P_hkTA--I53wBtDhw4DMLTs9WmYIH8hrLVksKPQas585AfV5vBoCaeYQAvD_BwE