Abstract: Disclosed herein is a bolt axial force measurement method, device, apparatus, and readable storage medium, the method comprises steps of: capturing an image of a bridge bolt; identifying an outer edge of a nut, a centroid of the nut, and a circular position of a laser spot in a captured image of the bridge bolt; projecting a calibration laser spot onto a bolt plate and obtaining a current frame as a bolt-detection image; performing dimensional calibration on the bolt-detection image and determining a displacement of each of the pre-calibrated feature points; calculating a bolt axial force value based on the displacement. The solution captures images of the bridge bolts and analyzes positions of each of the pre-calibrated feature points in the images; thus, the bolt axial force can be measured non-destructively, and non-rotational loosening of bolts can be identified.

Abstract: The present invention discloses a novel three-dimensional modeling lamp and a manufacturing method thereof. The lamp comprises a lamp shell and a light source arranged in the lamp shell, wherein the lamp shell forms a preset three-dimensional modeling by connecting a plurality of sheets with different shapes through connectors, and the sheets comprise a light-transmitting PET layer and a colorful film layer, the colorful film layer refracts light emitted by the light source, so that the lighting effect of the three-dimensional modeling lamp is better; and a plurality of indentations are formed on the sheets, and the indentations guide users to splice and shape the sheets more conveniently. The manufacturing method comprises the following steps: selecting corresponding sheets according to the preset size and external shape of the three-dimensional modeling lamp, and carrying out indentation treatment on the sheets to facilitate the installation of users.

Abstract: A lipstick tube cartridge core comprising a ball (1), a fork (2), a spiral (3), and a cartridge (4). The spiral (3) and the cartridge (4) are provided therebetween with a keyway structure (33 and 43) arranged in the axial direction and an engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction. As the spiral (3) and the cartridge (4) are provided therebetween with the keyway structure (33) arranged in the axial direction and the engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction, retention of the spiral (3) and of the cartridge (4) is implemented without using a glue, thus preventing a scenario in which a cosmetic paste is contaminated by the glue.

Abstract: A lipstick tube cartridge core comprising a ball (1), a fork (2), a spiral (3), and a cartridge (4). The spiral (3) and the cartridge (4) are provided therebetween with a keyway structure (33 and 43) arranged in the axial direction and an engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction. As the spiral (3) and the cartridge (4) are provided therebetween with the keyway structure (33) arranged in the axial direction and the engaging ring (31 and 42) and engaging groove (32 and 41) structure arranged in the circumferential direction, retention of the spiral (3) and of the cartridge (4) is implemented without using a glue, thus preventing a scenario in which a cosmetic paste is contaminated by the glue.