Fabric light transmittance testing apparatus

A fabric light transmittance testing device, comprising a supporting frame (1), wherein a middle portion of an inner side of the supporting frame (1) is connected with a platform plate (2), a top surface of the supporting frame (1) is fixedly connected with a top fixing plate (3), a top surface of the top fixing plate (3) is fixedly connected with a hydraulic rod (4), a bottom surface of the platform plate (2) is fixedly connected with a light transmission testing mechanism (5), a cloth fastening mechanism (6) is arranged above the light transmission testing mechanism (5), one side of the top fixing plate (3) is provided with an unwinding control mechanism (7), four vertical sliding rods (8) slidably penetrate through an upper surface of the top fixing plate (3), a bottom surface of the vertical sliding rod (8) is fixedly connected with a detection bottom plate (9), and a top surface of the platform plate (2) is fixedly connected with a slope plate (10);

• the light transmission testing mechanism (5) comprises a side fixing plate (51), the side fixing plate (51) is fixedly connected to a rear side surface of the detection bottom plate (9), one side of the side fixing plate (51) far away from the detection bottom plate (9) is fixedly connected with a vertical-groove transverse plate (52), one side of the vertical-groove transverse plate (52) far away from the side fixing plate (51) is hinged with a double hinge rod (53), one end of the double hinge rod (53) far away from the vertical-groove transverse plate (52) is hinged with a single hinge rod (55), a hinged part between the double hinge rod (53) and the single hinge rod (55) is slidably connected with a guide groove rod (54), one end of the single hinge rod (55) far away from the double hinge rod (53) is connected with a lifting frame (56), two sides of the lifting frame (56) are both slidably connected with a frame guide rod (57), an inner side of the lifting frame (56) far away from the frame guide rod (57) is fixedly connected with a thin rod (510), one end of the thin rod (510) far away from the lifting frame (56) is fixedly connected with a guide frame rod (511), an outer side of the guide frame rod (511) is slidably connected with an inclined groove plate (512), a side surface of the inclined groove plate (512) is fixedly connected with a reflective plate (513), a bottom surface of the lifting frame (56) is fixedly connected with a bending rod (58), and one end of the bending rod (58) far away from the lifting frame (56) is fixedly connected with a light source plate (59);
• a bottom surface of the detection bottom plate (9) is provided with a photosensitive sensor, the guide groove rod (54) is fixedly connected with a rear side surface of the slope plate (10), the frame guide rod (57) is fixedly connected with a bottom surface of the platform plate (2), and the reflective plate (513) is hinged with the bottom surface of the platform plate (2);
• and
• the cloth fastening mechanism (6) comprises a vertical sliding plate (61), the vertical sliding plate (61) is slidably connected to an upper surface of the vertical-groove transverse plate (52), the upper surface of the vertical-groove transverse plate (52) slidably penetrates through two elastic rods (62), a bottom surface of the elastic rod (62) is fixedly connected with an elastic rod fixing block (63), and one side of the elastic rod fixing block (63) oriented to the vertical sliding plate (61) is fixedly connected with a lower roller frame (64).