Slope protection lining mortar pointing device

The slope protection lining mortar pointing device comprises a pointing groove spray pipe, a mortar injection pipe, a spring traction seat, a spring, a positioning bracket, a steel pipe joint, a mortar ingress pipe, a connecting joint, a flow control valve and a mortar pump pipe, the positioning support of the frame structure is used for supporting and positioning the pointing groove spraying pipe and the mortar injection pipe. The upper middle portion of the mortar injection pipe is sleeved with the fixing sleeve of the positioning support. The spring traction seat of the mortar injection pipe is connected with the connecting plate of the positioning bracket through a spring; the lower end of the mortar injection pipe is connected with the pointing groove spray pipe, and the upper end penetrates through the fixed sleeve and is connected with the mortar ingress pipe through a steel pipe joint; the mortar ingress pipe is connected with the mortar pump pipe through the connector, and the flow control valve is a