Chemical holding multilayer cladding compound protection method for fastener of transmission tower
A technology for transmission towers and fasteners, applied in coatings, building components, adhesive types, etc., can solve problems such as damage to the protective layer, cracking of the cladding layer, and shortened service life, and achieve good flexibility and water resistance Beautiful appearance and little change in hardness
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Embodiment 1
[0024] This embodiment is an example of the protective construction of a coastal power transmission and transformation tower fastener to describe the present invention in detail:
[0025] 1) Clean the fasteners, use a steel brush to polish the surface, remove dust and rust, and remove water and oil.
[0026] 2) Apply cured ointment evenly on the surface of the treated structure,
[0027] 3) After applying the cured ointment, use non-cured ointment to level the protective structure as soon as possible to make the surface smooth.
[0028] 4) Wrap the anti-corrosion tape on the structure to be protected after the above three steps, stretch the anti-corrosion tape forcefully when winding, and wrap it in a way of not less than 50% overlap, and basically keep the entire structure covered with 2 layers of anti-corrosion bring. After cladding, smooth the surface of the anti-corrosion tape by hand to make it fit tightly on the surface of the steel structure.
[0029] 5) After wind...
example 2
[0035] Example 2 Salt spray test results
[0036] The test method is to carry out anti-corrosion treatment on the structural parts according to the method described in the above-mentioned embodiment 1, and then carry out alternating tensile stress on the protected structure. The test period is 3000 cycles, and the tensile force is 5000N.
[0037] After 3000 cycles of alternating test, the sample is subjected to a salt spray test in a salt spray box. The test time is 1500h, that is, the protected object is observed after 1500h. The appearance after the test: no rust; remove the anti-corrosion belt Appearance: no rust ; After removing the cladding, observe its appearance, it can be seen that the protection effect of the protected components is very good, and the fasteners are not loose.
[0038] The protection method for chemically holding multiple layers of the invention is suitable for the protection of complex fastener connection structures of various power transmission pol...
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