Coiled tubing clamping device and injection head using same
A clamping mechanism and injection head technology, used in drilling pipes, casings, and earth-moving drilling, etc., can solve the problems that the clamping block cannot slide, reduce the service life of the oil pipe, and wear the oil pipe, so as to avoid injury or wear, prolong the The effect of long service life and large follow-up clearance
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[0032] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
[0033] Such as Figure 1-Figure 7 Shown: a coiled tubing clamping mechanism, including a saddle-shaped clamping block 1 and a clamping block base 4, the clamping block base 4 includes a pin 6 and a rolling element 5 sleeved on the pin, so The clamping block seat 4 is provided with two through holes 402 along the direction of the pin shaft 6 for inserting and connecting the pin shaft of the injection head chain, and the upper part of the clamping block seat 4 is provided with three partition plates 403. The partition 403 is provided with a pin hole 401 for mounting the pin 6;
[0034] Tongues 102 are provided on both sides of the saddle-shaped clamping block 1, the tongue-shaped blocks 102 are provided with openings 103, the back of the saddle-shaped clamping block 1 is provided with a groove 104, and the clamping block A pair of bosses 406 are ...
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