It adopts advanced safeguard system(patent number is 201020522721.6). The input oil from the hydraulic system can be cut off automatically when when operator open the safe door, and then the tongs will shut down, so it can guarantee operator’s personal safety.
Using hydraulic cylinder drive when entering or exiting working position, it’s fast and convenient.
It adopts out big ring transmission and multi-roller supporting, which the strength and stiffness of tongs is increased substantially.
The tongs head of oscillating double jaw plate is made by precision casting, in this way, not only the outline is beautiful, but also the strength is high and the dismounting is convenient. The perfect design can ensure that the clamping is reliable and the backslide is easy.
It adopts ribbon brake apparatus, and the brake moment is high. The operation is so easy that it’s convenient to repair and change.
With hydraulic torque indicator and installation interface of torque gauge, it can equip model NKY torque control recorder, so as to realize the computer management.