The invention discloses a reciprocating motion control mechanism for an extension cable. The mechanism comprises a mobile platform, a weight putting mechanism, a weight releasing mechanism and a triggering device, wherein the mobile platform is arranged on a guide cable and can reciprocate along the guide cable; a measuring instrument is carried on the mobile platform and the buoyancy of the mobile platform carrying the measuring instrument is greater than zero; the weight putting mechanism is arranged at the top of the guide cable and can put a weight to the mobile platform within a set time; the weight releasing mechanism is arranged on the mobile platform, and the triggering device is arranged at the bottom of the guide cable; when the mobile platform carrying the weight declines to the bottom of the guide cable, the triggering device touches the weight releasing mechanism, so that the weight releasing mechanism generates a serial of motions to promote the weight to be separated from the mobile platform; the mobile platform under the action of buoyancy ascends to the top of the guide cable. The mechanism disclosed by the utility model breaks through the bottleneck that the existing extension cable observation mobile platform is powered by a battery.
Reciprocating motion control mechanism for extension cable
2015-04-29
Patent
Elektronische Ressource
Englisch
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |
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