Highway maintenance early warning device
The invention belongs to the technical field of expressways, and discloses an expressway maintenance early warning device which comprises a handle, a first sleeve is mounted at the bottom of the handle, a second sleeve is arranged at the bottom of the first sleeve, a third sleeve is mounted at the b...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
17.05.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The invention belongs to the technical field of expressways, and discloses an expressway maintenance early warning device which comprises a handle, a first sleeve is mounted at the bottom of the handle, a second sleeve is arranged at the bottom of the first sleeve, a third sleeve is mounted at the bottom of the second sleeve, and a fourth sleeve is mounted at the bottom of the third sleeve. A worker puts the warning cone on a road surface to make a long plate in contact with the road surface, and the worker presses the top of a pedal downwards with the feet to make the pedal extrude downwards, so that a round rod moves upwards along the inner side of a first circular ring; a worker holds a handle to pull a first sleeve upwards to drive a plurality of protruding blocks installed outside a second sleeve, a third sleeve, a fourth sleeve and a fifth sleeve at the bottom to vertically slide along Z-shaped grooves formed in the inner walls of the protruding blocks, and in the process, accidents caused by inclinatio |
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Bibliography: | Application Number: CN202410147151 |