Sling device for helicopter and method for hoisting sub-conductor spacers

Abstract

The invention provides a sling device for a helicopter and a method for hoisting sub-conductor spacers. The sling device comprises a sling assembly, a lifting hook assembly, first locking assemblies, a second locking assembly and a third locking assembly, the lifting hook assembly is located on the sling assembly and connected with the sling assembly in a hanging mode, the first locking assemblies are hung on the lifting hook assembly, each first locking assembly comprises a first locking clamp and a first rope sleeve, the first rope sleeve is located below the first locking clamp and connected with the first locking clamp in a hanging mode, the second locking assembly comprises a second locking clamp, a second rope sleeve and a second hanging ring, multiple sub-conductor spacers are hung on the second hanging ring, the second hanging ring is hung on the second rope sleeve, the second rope sleeve is hung on the second locking clamp, the second locking clamp is hung on the first rope sleeve located at the lowest position, the third locking assembly comprises a third locking clamp and a third rope sleeve which are connected in a hanging mode, the third locking clamp is hung on the second rope sleeve, one end of the third rope sleeve is hung on the third locking clamp, and the other end of the third rope sleeve is hung on the second hanging ring.

Description

technical field [0001] The invention relates to the technical field of transmission line inspection and maintenance, in particular to a sling device for a helicopter and a method for hoisting and transporting sub-conductor spacers. Background technique [0002] my country's transmission lines are growing day by day, and there are more and more construction operations for transmission lines; at the same time, more and more lines are built on high mountains and water in our country, and it is difficult for people and vehicles to reach the above-mentioned special terrain areas, especially in When maintenance materials with a large volume and weight are required, transportation is difficult and construction time is long, so that it is difficult to complete during a short line power outage maintenance period, and there is a great potential safety hazard in power transmission. For example, in the maintenance of transmission lines, it is often necessary to install sub-conductor spac...

AI Technical Summary

Problems solved by technology

[0002] my country's transmission lines are growing day by day, and there are more and more construction operations for transmission lines; at the same time, more and more lines in our country are built on high mountains and on water, and it is difficult for people and vehicles to reach the above-mentioned special terrain areas, especially in When maintenance materials with a large volume and weight are required, transportation is difficult and construction time is long, so that it is difficult to complete during a short line power outage maintenance period, and there is a large potential safety hazard in power transmission

For example, in the maintenance of transmission lines, it is often necessary to install sub-conductor spacers to prevent transmission lines from galloping. In high mountain areas, if there is no road, they can only be transported by hoist and cableway; The spacer is large in size and has an outer diameter of more than ten meters. It is difficult for traditional transportation methods to complete the transportation work in the above special terrain.

[0003] In response to the above situation, domestic attempts to use helicopters to carry out large-scale operations for power outage maintenance of transmission lines, but due to the large size of the sub-conductor spacers, it is difficult to transport them by helicopter

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