Tension adjusting device for escalator hand strap

• Main Authors: ZHU WEIJIAN, NIU HONGQIANG, YANG PING, CAO ZHENYU, TIAN QILIN
• Format: Patent
• Language: Chinese; English
• Published: 19.07.2024
• Subjects: ELEVATORS; ESCALATORS OR MOVING WALKWAYS; HAULING; HOISTING; LIFTING; PERFORMING OPERATIONS; TRANSPORTING

The utility model discloses a tension adjusting device for an escalator hand strap, which comprises a base, electric telescopic rods are arranged at two ends of the base, lower support arms are arranged at the upper ends of the electric telescopic rods, lower belt pressing wheels are arranged in the lower support arms, an upper support is arranged in the middle of the base, a sleeve is arranged on the upper support, and an elastic piece is arranged in the sleeve. The lower end of the elastic piece is connected with a lifting rod, the lifting rod is arranged in the sleeve in a sliding mode, the lower end of the lifting rod is provided with an upper pressing belt wheel through an upper supporting arm, and the lower pressing belt wheel and the upper pressing belt wheel are provided with limiting rollers through connecting arms; according to the tensioning adjusting device for the escalator handrail belt, the function of automatically tensioning the handrail belt within a certain range can be achieved after the t