Assisting device for stretching test of fastener entity and testing method thereof
The invention provides an assisting device for stretching test of a fastener entity and a testing method thereof. The device comprises a pair of device bodies, an upper connecting part and a lower connecting part, wherein each device body comprises a connecting rod and a connector; each connecting r...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides an assisting device for stretching test of a fastener entity and a testing method thereof. The device comprises a pair of device bodies, an upper connecting part and a lower connecting part, wherein each device body comprises a connecting rod and a connector; each connecting rod is fixed to one end of the corresponding connector; a dismounting and mounting hole is formed in the side surface of each connector; a threaded hole is formed in the surface of one end, far away from corresponding connecting rod, of each connector; each upper connecting part is of a disc structure of which the center is provided with a through hole and the outside diameter is provided with outer threads; each lower connecting part is of a disc structure of which the center is provided with a threaded hole and the outside diameter is provided with outer threads; the thread end of the fastener passes through the through hole in each upper connecting part in an upper connecting device and then is screwed into the t |
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