Marine telescopic rod with corrosion-resistant and wear-resistant nano ceramic coating

Abstract

The invention belongs to the technical field of nanotechnology, and particularly discloses a marine telescopic rod with a corrosion-resistant and wear-resistant nano ceramic coating. The marine telescopic rod with the corrosion-resistant and wear-resistant nano ceramic coating comprises a rod body and a rod tail, the front end of the rod body is an annular rod head, an inner cavity of the marine telescopic rod is formed in the rod tail end, and the inner wall of the inner cavity of the marine telescopic rod is coated with the corrosion-resistant and wear-resistant nano ceramic coating; the corrosion-resistant and wear-resistant nano ceramic coating comprises a base coat and a nano ceramic coating, the base coat is a nickel-chromium base coat and comprises 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, 0.1-2 parts of neodymium and other auxiliary materials, and the particle size of ceramic in the nano ceramic coating is 90-100 nm. The marine telescopic rod with the corrosion-resistant and wear-resistant nano ceramic coating provided by the invention has higher wear resistance, so that a push rod has higher wear resistance, and meanwhile, the corrosion-resistant and wear-resistant nano ceramic coating also has higher corrosion resistance.

Description

Technical Field

[0001] The invention belongs to the field of nanotechnology, and in particular relates to a marine telescopic rod with a corrosion-resistant and wear-resistant nano-ceramic coating. Background Art

[0002] The specific application of the marine telescopic rod can be a marine telescopic tiller connecting rod device as shown in CN202481295U.

[0003] The coatings used in existing telescopic rods are still lacking in wear resistance and corrosion resistance, and cannot meet the requirements in some special working conditions. Summary of the invention

[0004] In order to solve the above problems, the present invention adopts the following technical solutions: A marine telescopic rod with a corrosion-resistant and wear-resistant nano-ceramic coating comprises a rod body and a rod tail, wherein the front end of the rod body is a ring-shaped rod head, the end of the rod tail is provided with a marine telescopic rod inner cavity, and the inner wall of the marine telescopic rod inner cavity is coated with a corrosion-resistant and wear-resistant nano-ceramic coating; The corrosion-resistant and wear-resistant nano-ceramic coating comprises a primer layer and a nano-ceramic coating layer, wherein: The base layer is a nickel-chromium base layer, which includes 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, 0.1-2 parts of neodymium and other auxiliary materials. The ceramic particle size in the nano ceramic coating is 90-100 nm.

[0005] In some embodiments, the primer layer is coated on the inner wall of the inner cavity of the marine telescopic rod, and the nano-ceramic coating is attached to the surface of the primer layer.

[0006] In some embodiments, the corrosion-resistant and wear-resistant nano-ceramic coating is sprayed onto the inner wall of the inner cavity of the marine telescopic rod by supersonic spraying.

[0007] In some embodiments, the spraying speed is 500-3000 m / s.

[0008] In some embodiments, the nickel content in the nickel-chromium coating is 15% to 20%.

[0009] In some embodiments, a rotation bearing is arranged in the middle of the annular rod head.

[0010] The beneficial effects of the present invention are: The marine telescopic rod with the corrosion-resistant and wear-resistant nano-ceramic coating provided by the present invention has stronger wear resistance, which can make the push rod have stronger wear resistance. At the same time, the corrosion-resistant and wear-resistant nano-ceramic coating also has strong corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of a marine telescopic rod; Figure 2 Schematic diagram of the spraying state of the corrosion-resistant and wear-resistant nano-ceramic coating.

[0012] In the figure: 100 rod body, 110 annular rod head, 200 rod tail, 210 inner cavity of telescopic rod, 220 corrosion-resistant and wear-resistant nano-ceramic coating, 221 base layer, 222 nano-ceramic coating. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] A marine telescopic rod with a corrosion-resistant and wear-resistant nano-ceramic coating comprises a rod body 100 and a rod tail 200, wherein the front end of the rod body 100 is an annular rod head 110, and the end of the rod tail 200 is provided with a marine telescopic rod inner cavity 210, and the inner wall of the marine telescopic rod inner cavity 210 is coated with a corrosion-resistant and wear-resistant nano-ceramic coating 220; The corrosion-resistant and wear-resistant nano-ceramic coating 220 includes a primer layer 221 and a nano-ceramic coating layer 222, wherein: The base layer 221 is a nickel-chromium base layer, which includes 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, 0.1-2 parts of neodymium and other auxiliary materials. The ceramic particle size in the nano ceramic coating 222 is 90-100 nm.

[0015] In some embodiments, the primer layer 221 is coated on the inner wall of the inner cavity 210 of the marine telescopic rod, and the nano-ceramic coating 222 is attached to the surface of the primer layer 221 .

[0016] In some embodiments, the corrosion-resistant and wear-resistant nano-ceramic coating is sprayed onto the inner wall of the inner cavity 210 of the marine telescopic rod by supersonic spraying.

[0017] In some embodiments, the spraying speed is 500-3000 m / s.

[0018] In some embodiments, the nickel content in the nickel-chromium coating is 15% to 20%.

[0019] In some embodiments, the center of the annular rod head 110 is used to set a rotation bearing.

[0020] It will be clear to those skilled in the art that various modifications to the above embodiments may be made without departing from the overall spirit and concept of the present invention. All of these modifications fall within the scope of protection of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.

Claims

1. A marine telescopic rod with a corrosion-resistant and wear-resistant nano-ceramic coating, characterized in that: The invention comprises a rod body (100) and a rod tail (200), wherein the front end of the rod body (100) is an annular rod head (110), the end of the rod tail (200) is provided with a marine telescopic rod inner cavity (210), and the inner wall of the marine telescopic rod inner cavity (210) is coated with a corrosion-resistant and wear-resistant nano-ceramic coating (220); The corrosion-resistant and wear-resistant nano-ceramic coating (220) comprises a primer layer (221) and a nano-ceramic coating layer (222), wherein: The base layer (221) is a nickel-chromium base layer, which includes 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, 0.1-2 parts of neodymium and other auxiliary materials. The ceramic particle size in the nano ceramic coating (222) is 90-100 nm.

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