But pre -buried formula demounting threaded hole

The utility model provides a but pre -buried formula demounting threaded hole, belongs to the fastening technology field. The utility model aims to design a deflector that is exclusively used in thermal power plant's coal pulverizer is fixed, dismantles convenient but pre -buried formula demoun...

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Bibliographische Detailangaben
1. Verfasser:	SUN HONGKUN
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 GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a but pre -buried formula demounting threaded hole, belongs to the fastening technology field. The utility model aims to design a deflector that is exclusively used in thermal power plant's coal pulverizer is fixed, dismantles convenient but pre -buried formula demounting threaded hole during the fracture. The utility model discloses it has T type hole to open on the mounting, at the downthehole T type built -in fitting that inserts of T type, the surface of T type built -in fitting is identical completely with the internal surface in T type hole, the built -in fitting front surface of T type built -in fitting and the mounting front surface of mounting are on the coplanar, it has hidden bolt hole to open on the T type built -in fitting, hidden bolt passes hiddenbolt hole and fixes T type built -in fitting on the mounting, it has the king -bolt hole to open in T type built -in fitting, the double -screw bolt of king -bolt passes work piece and big bolt hole thread installation, the n