Perforating device applicable to steel tubes of different diameters
A drilling device, steel pipe technology, applied in the direction of boring/drilling, toolholder accessories, drilling/drilling equipment, etc., can solve the problems of inability to adjust, steel pipe vibration, breakage, etc., to improve accuracy and stability Performance, improve work efficiency, improve the effect of stability
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[0021] like figure 1 , figure 2 , image 3 and Figure 4 As shown, a punching device suitable for steel pipes of different diameters according to the present invention includes a base 5, a locking device 7 is provided on the top end surface of the base 5, and a locking device 7 is arranged on the front and rear sides of the locking device 7. The symmetrically arranged rolling adjustment device 6, the base 5 between the locking device 7 and the rolling adjustment device 6 on the rear side is provided with a punching frame 8, and each of the rolling adjustment devices 6 has a A first slide groove 64 and a second slide groove 61 arranged symmetrically on the left and right are provided, a partition plate 62 is arranged between the first slide groove 64 and the second slide groove 61, and the first slide groove 64 and the second slide groove 61 The second sliding groove 61 is provided with a supporting member 63, and the supporting member 63 on the left and right sides is prov...
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