A kind of climbing ladder apparatus having bearing function,It is that one base bottom surface of what is equipped with the crawler belt driven by preset power source,Pedestal middle section is equipped with a seat cushion,Pedestal one end is pivoted with two main rollers,What seat cushion side is arranged in one upper supporting column,Upper supporting column middle section is equipped with a backrest and a headrest,The one end of the what upper supporting column far from pedestal is arranged in one main handle system,Main handle side, which is equipped with one, can control the starting handle of crawler belt,Two Hou carriage supports are pivoted what two side of pedestal middle section,And normality retain towards the elasticity of an extended position,It is pivoted with a Hou idler wheel respectively on two Hou bracket of what,And when what extended position,Two Hou brackets be able to cooperate two main rollers to support the crawler belt hanging,Two fore-stock systems are pivoted what pedestal close to two side of main roller one end,The movable end periphery of two fore-stocks is equipped with a stop section,On two fore-stocks system energy what,It is movable between lower position,When two fore-stocks move to lower position,What stair can be supported via the stop section and to the mobile formation block of pedestal.一種具承載功能的爬梯裝置，係於一基座底面設有受預設動力源驅動的履帶，基座中段設有一座墊，基座一端樞設有二主滾輪，一上支柱設置於座墊旁側，上支柱中段設有一靠背及一頭枕，一主把手係設置於該上支柱遠離基座的一端，主把手旁側設有一能控制履帶的啟動把手，二後支架係樞設於該基座中段二旁側，且常態性地保持朝向一伸展位置之彈性，於二後支架上分別樞設有一後滾輪，且於伸展位置時，二後支架恰能配合二主滾輪支撐該履帶懸空，二前支架係樞設於基座接近主滾輪一端二旁側，二前支架的活動端周緣設有一擋止部，該二前支架係能於上、下位置之間活動，當二前支架移至下位置時，可經由該擋止部抵頂於樓梯而對基座的移動形成擋止。
