Self-locking device and method for track, prefabricated formwork and using method of prefabricated formwork

• Main Authors: HUANG XIAOJUN, ZENG CHAO, ZHOU QIANG, LI XUEYOU, GAO RONG
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2022
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERFORMING OPERATIONS; PERMANENT WAY; PERMANENT-WAY TOOLS; SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE

The invention relates to a self-locking device and method for a track, a prefabricated formwork and a using method thereof.The self-locking device comprises a base, the base is in sliding fit with the track, a strip-shaped hole is formed in the side face of the base, and the bottom faces of the two ends of the strip-shaped hole are lower than the top face of the track; a strip-shaped hole is formed in the base, the bottom face of the middle of the strip-shaped hole is higher than or flush with the top face of the rail, a pin shaft is arranged in the strip-shaped hole, and when the pin shaft moves to the end of the strip-shaped hole, the base is static relative to the rail. According to the self-locking device for the track, the pin shaft, the strip-shaped hole and the track are matched, so that the base can be self-locked on the track under the condition of no external force, and the self-locking device is simple in working principle, ingenious in structural construction, low in input cost and extremely high