Small diameter deep well life saving latch jack
A salvage, small-caliber technology, used in life-saving equipment, respiratory protection containers, etc., can solve the problems of delaying rescue time, time-consuming and laborious, etc., and achieves the effect of being convenient to carry, easy to use, and time-saving and labor-saving for rescue.
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[0009] As shown in the drawings, the upper end of the rescue cage 2 is threaded to fix 3 groups of connecting rods 1, each group of connecting rods 1 is composed of multiple sections, which are fixed by threads so that the rescue cage 2 can be stretched to the bottom of the well. Rescue cage 2 is cylindrical, and support bar 12 is arranged at the upper end, and 6 vertical boards 5 are evenly fixed in the direction of cylindrical plain line. The lower end of the rescue cage 2 is hinged with 6 claw plates 7 through hinges 6 . There is a torsion spring on the hinge 6, which can make the hinge 6 and the claw plate 7 keep consistent with the direction of the vertical plate 5 when there is no external force, that is, the vertical state, such as figure 1 shown. The lower end of the claw plate 7 has a small hole 8 respectively, and a locking rope 10 is worn in the small hole 8. The locking rope 10 is wound on the winch 11 along the rescue cage 2 and the connecting rod 1, and the rota...
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