Arm fracture security supporting device

Abstract

The invention relates to an arm fracture security supporting device, which comprises an arm with multiple chutes. A slide block is arranged inside each chute. The slide block is connected with the arm through first extension springs. The slide block has two clamping blocks which are arranged back and forth, and the clamping blocks and the slide block are connected through second extension springs. The bottom of each chute has two L-shaped grooves. Lower parts of the two clamping blocks are respectively arranged inside the two L-shaped grooves. The arm has two clamping arms which are arranged back and forth. The right end of the clamping arm is hinged to the arm. The two clamping arms are arranged between the two clamping blocks and are respectively contacted with lower ends of the two clamping blocks. There are multiple support frames on the arm. The left end of the support frame is hinged to the arm through a rotating shaft. The lower end face of the arm has a demising groove, front and rear end faces of which are provided with vertical chutes. Two ends of the rotating shaft are respectively arranged inside the vertical chutes. The bottom of the demising groove has a counter bore, and a third extension spring which is connected to the arm and the rotating shaft is arranged inside the counter bore. A safety ropes are arranged on the support frames. Ends of the safety rope are clamped between the two clamping arms. A wire rope is clamped between the two clamping blocks.

Description

technical field [0001] The invention relates to the technical field of hoisting equipment, in particular to a safety support device for boom breakage. Background technique [0002] In the field of lifting equipment, some large-scale lifting machinery, such as tower cranes, bridge cranes, and truck-mounted cranes, all need to use booms to complete the lifting and transfer of heavy objects. It is more and more favored by people; however, in recent years, accidents of breaking the boom of the truck-mounted crane have occurred from time to time, and the broken boom will fall, and because the boom itself is heavy and the working position is high, when the crane When the arm falls to the ground or platform, it is very easy to cause casualties to varying degrees and damage to vehicles and equipment on the construction site, which brings a lot of unnecessary troubles and property losses to the project construction, especially in some serious accidents. The number of casualties is o...

AI Technical Summary

Problems solved by technology

[0002] In the field of lifting equipment, some large-scale lifting machinery such as tower cranes, bridge cranes, truck-mounted cranes, etc., all need to use booms to complete the lifting and transfer of heavy objects. It is more and more popular among people; however, in recent years, accidents of breaking the boom of the truck-mounted crane have occurred frequently, and the broken boom will fall, and because the boom itself is heavy and the working position is high, when the crane When the arm falls to the ground or platform, it is very easy to cause casualties to varying degrees and damage to vehicles and equipment on the construction site, which brings a lot of unnecessary troubles and property losses to the project construction, especially in some serious accidents. The number of casualties is often large, so the truck-mounted crane poses a great safety threat to the on-site construction personnel during the operation

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