Chain hoist external power unit and chain hoist system
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ιΉθΏη
- Publication Date
- 2018-03-13
- Estimated Expiration
- Not applicable Β· inactive patent
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Figure 1
Abstract
Description
Technical field
[0001] The invention relates to the field of chain hoists, in particular to a chain hoist external power device and a chain hoist system. Background technique
[0002] Chain hoist crane is a traditional manual lifting tool. It has the advantages of cheap, durable, portable, wide application range, and high lifting weight limit. However, it needs to be powered manually, and because it needs to be operated close, it is dangerous. Although electric hoists are widely used in the prior art, they are inconvenient to install, expensive, difficult to maintain, and not portable. Summary of the invention
[0003] The invention provides a chain hoist external power device and chain hoist system with simple structure, low cost, durability, portability, wide application range, high lifting weight, high efficiency, safety, convenient installation and simple maintenance.
[0004] In order to solve the above problems, as an aspect of the present invention, an external power device ...