Ballast tunnel inspection well lid convenient to open

The invention provides a ballast tunnel inspection well lid convenient to open. The ballast tunnel inspection well lid comprises an inspection well steel plate sleeve and a sleeve side cover plate; the sleeve side cover plate is horizontally welded to the bottom of the outer side wall of the inspect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WU QIANG, ZENG QING, HUO FEI, YI ZHIWEI, JIA HUI, ZHOU YI, YUAN TENGFEI, MENG QINGYU, WU XIAOCE, WANG XU, XIA YONG, MA YONGCHANG, BAI HONGGUO, CHEN YU, ZHAO YUNJIAN, ZHANG CHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD HYDRAULIC ENGINEERING LIFTING PERFORMING OPERATIONS SOIL SHIFTING TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:	The invention provides a ballast tunnel inspection well lid convenient to open. The ballast tunnel inspection well lid comprises an inspection well steel plate sleeve and a sleeve side cover plate; the sleeve side cover plate is horizontally welded to the bottom of the outer side wall of the inspection well steel plate sleeve, and the sleeve side cover plate is arranged at the top of an inspectionwell; a steel cover plate is arranged at the top of the inspection well steel plate sleeve, the steel cover plate is rotationally connected with the inspection well steel plate sleeve through a connecting hinge, a supporting block is installed in the center of the top of the steel cover plate, a supporting rod is rotationally installed at the top of the supporting block through a rotating hinge,reflectors are symmetrically installed on the two sides of the supporting rod, and hinged supports are symmetrically installed at the bottoms of the inner side walls of the two sides of the inspectionwell steel plate sleeve; a