The utility model relates to a hydraulic support carloader test bench, including master, preceding slave station and back slave station, the master includes rectangular pedestal, the left and right sides of base is welded a plurality of roots respectively and is found legs, is located the tops that the left a plurality of roots of base found legs and is connected with a longeron jointly, and top that a plurality of roots of being located the base right side found legs also is connected with a longeron jointly, and the front end of two longerons and rear end are equallyd divide and do not be connected with a spinal branch supporting beam, slave station before the front end fixedly connected with of base, slave station behind the rear end fixed connection of base, back slave station includebase (maths num='0001') (math) (! [ CDATA [ D: CPC ]) (math) (img file='dest_path_image001. TIF'wi='8'he='19' /) (maths), base (maths num='0002') (math) (! [ CDATA [ D: CPC, jpg, ]) be provided with aplurality of I -steel on (math) (img file='613338dest_path_image001. TIF'wi='8'he='19' /) (maths), the pterygoid lamina of one side of I -steel and base (maths num='0003') (math) (! [ CDATA [ D: CPC,jpg, ]) (math) (img file='385247dest_path_image001. TIF'wi='8'he='19' /) (maths's) last skin weld is fixed, the welding has the track on the opposite side pterygoid lamina of a plurality of I -steel,the utility model discloses the test bench can be used to the inspection and adopts this carloader to carry out the rationality of hydraulic support loading and unloading car construction operation technology with the test, check -out set safety construction situation provides safeguard for type approval test.