Folding anti-boarding device
A folding and boarding technology, which is used in ship parts, ship construction, transportation and packaging, etc., can solve the problems of low reliability, complex working devices, and difficult maintenance, so as to prevent accidental falling into the sea and not occupy working space. , the effect of short installation time
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[0024] The present invention comprises anti-climbing barrier 7, and anti-climbing barrier 7 is made of transverse bar 2 and longitudinal bar 3, and one side of anti-climbing barrier 7 is provided with control device 5, is provided with fixing device 17 corresponding to control device 5; Spikes 4 are arranged on the front end and the side, and a crankshaft 8 is arranged on the tail end of the longitudinal bar 3, and the crankshaft 8 is connected with the linkage plate 1;
[0025] Such as figure 2 As shown, the horizontal bar 2 at the front end of the anti-climbing fence 7 can be provided with a flap alarm 12, and the flap alarm 12 includes a flap 9, and the flap 9 is hingedly connected with the anti-climbing fence 7, and the flap 9 below Back-moving spring 11 is provided, and the other end of back-moving spring 11 is fixed on the anti-climbing fence 7, and anti-climbing fence 7 is provided with alarm switch 10 corresponding to flap 9, and alarm switch 10 links to each other wi...
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