Stretching type guardrail crown block track

Stretching type guardrail crown block track

The utility model belongs to the technical field of crown block devices, and particularly relates to a stretching type guardrail crown block track which comprises an end beam and a base used for arrangement of an operation track. A movable guardrail is arranged on the base and located on the inner s...

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Hauptverfasser: HU GUANQI, SU MENGJIE, LI LAIYOU, CHEN JUNGE, LUO JIANYING
Format: Patent
Sprache:eng
Schlagworte:
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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creator HU GUANQI
SU MENGJIE
LI LAIYOU
CHEN JUNGE
LUO JIANYING
description The utility model belongs to the technical field of crown block devices, and particularly relates to a stretching type guardrail crown block track which comprises an end beam and a base used for arrangement of an operation track. A movable guardrail is arranged on the base and located on the inner side of the end beam. Horizontal rods are connected to the bottoms of the two ends of the guardrail respectively. The horizontal rods penetrate through a fixing sleeve to be connected with one ends of springs, and the other ends of the springs and the fixing sleeve are fixed to the base. According to the stretching type guardrail crown block track, in the guardrail arrangement mode is simple, rectification and reformation are easy, the probability of breakage of the guardrail can be greatly reduced, and a crossbeam can still be used as an overhaul and tour channel.
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subjects CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
title Stretching type guardrail crown block track
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