Novel fixed track beam embedded bumper bolt

The utility model provides a novel fixed track beam pre-embedded bumper bolt which comprises a pre-embedded bolt body, the pre-embedded bolt body comprises a threaded connection portion, a limiting sleeve rod, a middle portion and a bending portion, the limiting sleeve rod is arranged between the th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YUAN ZIQING, YANG CHENGHONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING STANDS OR SUPPORTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a novel fixed track beam pre-embedded bumper bolt which comprises a pre-embedded bolt body, the pre-embedded bolt body comprises a threaded connection portion, a limiting sleeve rod, a middle portion and a bending portion, the limiting sleeve rod is arranged between the threaded connection portion and the top of the middle portion, the bending portion is arranged at the bottom of the middle portion, and the limiting sleeve rod is connected with the bending portion. Bulges are arranged on the outer surface of the middle part at equal intervals; and a first connecting piece is arranged on the outer side of the limiting sleeve rod. According to the embedded bolt, the limiting sleeve rods are arranged on the embedded bolt bodies, the first connecting pieces are arranged on the limiting sleeve rods, the limiting sleeve rods can be used for connecting and limiting the two adjacent embedded bolt bodies, the stability of the two adjacent embedded bolt bodies during pouring is guaranteed, me