Road crack sealing method, and crack pouring machine for crack sealing

The invention relates to a road crack sealing method, and a crack pouring machine for crack sealing, and belongs to the technical field of crack pouring machines. The crack pouring machine comprises acrack pouring machine body and a material spraying device connected with the crack pouring machine body, the material spraying device comprises a material guiding hose, an operation pipe, a first moving supporting mechanism, a second moving mechanism and an adjusting mechanism and an adjusting mechanism, the first moving supporting mechanism and the second moving mechanism are arranged on the operation pipe, and are used for supporting the operation pipe, and the adjusting mechanism is used for controlling the material discharge amount of the operation pipe; one end of the material guide hoseis connected with the crack pouring machine body, the other end of the material guide hose is connected with the operation pipe, the adjusting mechanism comprises an adjusting box body, a pair of baffles inserted into the adj