A portable maintenance-free manual emergency rescue device

Abstract

The invention relates to a portable maintenance-free manual emergency rescue device. The device comprises a swing long rod reinforcement cutting mechanism, and a jacking expansion multifunctional mechanism matched with the swing long rod reinforcement cutting mechanism for use; the swing long rod reinforcement cutting mechanism comprises a long rod, a holding handle arranged at one end of the long rod, a grabbing hook arranged at the other end of the long rod, a rocking arm hinged with the long rod through a rotating shaft, a hard alloy disc saw positioned between the rocking arm and the long rod and concentrically arranged with the rotating shaft, and a one-way action ratchet matched with the hard alloy disc saw for use; and the one-way action ratchet connects the hard alloy disc saw with the rocking arm to drive the hard alloy disc saw to perform a one-way intermittent motion. Compared with the prior art, the device is simple and light in structure, is liable to operate and carry, needs no power supply and battery, is suitable for long-time storage, is suitable for multiple emergency rescues and self-recues, and is excellent in application prospect.

Description

technical field [0001] The invention belongs to the technical field of rescue tools and relates to a portable maintenance-free manual emergency rescue device. Background technique [0002] In the rescue sites of some disasters such as traffic accidents and house bridge collapses, the crowbar, as a purely mechanical tool, does not need external power such as hydraulic pressure or air pressure. It only needs one or several people to apply force at the same time. It is an irreplaceable advantage in the disaster scene lacking power, and the crowbar has a simple structure and is easy to carry. It is often a necessary and effective rescue tool in the disaster rescue scene. However, the crowbars currently on the market are generally made of a single rod. The length of the resistance arm is relatively short, and the height that can be supported is limited. Often, if you want to increase the height of the support, you must raise the fulcrum to make it closer to the lever to be pried....

AI Technical Summary

Problems solved by technology

The technical solution disclosed in the above-mentioned patent can quickly convert the structure to achieve multiple functions through different combinations of components and conversion and locking mechanisms. However, the rescue tool cannot effectively cut the on-site reinforcement and other components, and the generation of force is limited, which needs to be further improved. Improve

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