Precast beam convenient to hoist

The utility model discloses a precast beam convenient to hoist, which comprises a precast beam body and further comprises fixing grooves symmetrically arranged on the front end face and the rear end face of the precast beam body. The reinforcing steel bars are installed in the precast beam body, the...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	DU DEHAN, LU JIANLE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING BUILDING BUILDING MATERIALS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS STRUCTURAL ELEMENTS THERMAL INSULATION IN GENERAL WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The utility model discloses a precast beam convenient to hoist, which comprises a precast beam body and further comprises fixing grooves symmetrically arranged on the front end face and the rear end face of the precast beam body. The reinforcing steel bars are installed in the precast beam body, the outer surface of one reinforcing steel bar is fixedly connected with a fixing sleeve, the outer surface of the fixing sleeve is fixedly connected with a screw rod, the outer surface of the screw rod is in threaded connection with a threaded sleeve, and the top of the threaded sleeve is fixedly connected with an extrusion plate; the limiting device is fixedly installed on the end portion of the reinforcing steel bar, the limiting device comprises fixing plates, the fixing plates are fixedly installed on the end portion of the reinforcing steel bar, the inner wall of one fixing plate is rotationally connected with a rotating rod, a torsion spring is arranged between the rotating rod and the fixing plate, and the end