Reversible elevator shaft protection device

• Main Authors: ZHENG HAILONG, LI CHAO, DI YONGGUO, ZHAI YINGBO, YANG GENGSHEN, SHENG HAOYU, LIU YUANXUAN, WANG YOUPENG, YAN GUOPENG
• Format: Patent
• Language: Chinese; English
• Published: 24.02.2023
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

The utility model discloses a turnover elevator shaft protection device which comprises a protection frame and two U-shaped lock pieces, a protection grid mesh is fixedly arranged in the middle of the protection frame, the U-shaped lock pieces are arranged on the two sides of the top end of the protection frame, turnover rods are fixedly arranged at one ends of the two U-shaped lock pieces, the two turnover rods are sleeved with claw type lock bolts, and the claw type lock bolts are fixedly arranged on the two sides of the protection frame. The turnover elevator shaft protection device is simple in structural design, the turnover elevator shaft protection device is pre-buried in masonry walls on the two sides of an elevator shaft opening in advance to fix the cleat bolts, vertical rods are not used for fixing, and the turnover elevator shaft protection device is convenient to use, safe and reliable. And due to finalization protection, outward overturning and opening can be achieved while the safety protection