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Antifreezing hydraulic pump body

A hydraulic pump and casing technology, applied in the field of metal smelting, can solve the problems that traditional methods cannot satisfy the market, and achieve the effects of increasing oxidation resistance, increasing strength, reducing overheat sensitivity and temper brittleness

Active Publication Date: 2017-06-16
苏州卫优知识产权运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of national economic development, casting, as one of the basic industries, plays an important role; among many material forming methods, casting has many advantages such as strong practicability, low cost, and strong operability; specific casting is applied to hydraulic systems For the casting process of the hydraulic pump body, the current traditional casting process design method still relies on the production experience accumulated by the technicians; with the development of the economy, the market competition is becoming more and more fierce, and the traditional method cannot meet the market demand more and more. A scientific and reliable casting process to replace the casting hydraulic pump body of the traditional casting process to improve product quality, save time, save energy and resources, and improve corporate competitiveness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment is an antifreeze hydraulic pump body, which includes a casing and an anti-icing coating arranged on the outer layer of the casing. The composition and mass percentage of the casing are: C: 3.26%, Si: 2.13%, Mo : 0.8%, Cu: 1.12%, Re: 0.56%, Ni: 0.5%, Cr: 2.15%, Ti: 0.36%, Mn: 0.5%, Ni: 0.5%, Sb: 0.02%, Sn: 0.33%, Mg : 0.43%, V: 0.23%, rare earth elements: 0.1%, S<0.08%, P<0.04%, the rest is Fe;

[0020] The rare earth elements include the following components by mass percentage: lanthanum: 15%, praseodymium: 15%, dysprosium: 11%, holmium: 5%, gadolinium: 8%, neodymium: 10%, and the rest cerium;

[0021] The components of the anti-icing coating include by mass percentage: 4-methylcyclohexyl isocyanate: 8%, urethane: 16%, α-linolenic acid: 2.3%, trimethylolpropane trimethyl Acrylate: 3.5%, Benzoyl Peroxide: 5.2%, Butyl Acrylate: 3%, 2-Hydroxy-1,2-Diphenylethanone: 3.7%, Antimony Doped Tin Oxide Nanocrystals: 5% , Nano-titanium dioxide: 3.3%, nano-silicon ...

Embodiment 2

[0023] This embodiment provides an antifreeze hydraulic pump body, which includes a casing and an anti-icing coating arranged on the outer layer of the casing. The composition and mass percentage of the casing are: C: 3.46%, Si: 2.36%, Mo : 1.3%, Cu: 1.22%, Re: 0.65%, Ni: 0.8%, Cr: 2.23%, Ti: 0.42%, Mn: 0.7%, Ni: 0.7%, Sb: 0.04%, Sn: 0.34%, Mg : 0.49%, V: 0.25%, rare earth elements: 0.1-0.3%, S<0.08%, P<0.04%, the rest is Fe;

[0024] The rare earth elements include the following components by mass percentage: lanthanum: 17%, praseodymium: 16%, dysprosium: 12%, holmium: 6%, gadolinium: 9%, neodymium: 13%, and the rest cerium;

[0025]The components of the anti-icing coating include by mass percentage: 4-methylcyclohexyl isocyanate: 9%, ethyl carbamate: 17%, α-linolenic acid: 2.4%, trimethylolpropane trimethyl Acrylate: 3.6%, Benzoyl Peroxide: 5.3%, Butyl Acrylate: 4%, 2-Hydroxy-1,2-Diphenylethanone: 3.8%, Antimony Doped Tin Oxide Nanocrystals: 6% , Nano-titanium dioxide: 3.4...

Embodiment 3

[0027] This embodiment provides an antifreeze hydraulic pump body, which includes a casing and an anti-icing coating arranged on the outer layer of the casing. The composition and mass percentage of the casing are: C: 3.56%, Si: 2.56%, Mo : 1.5%, Cu: 1.32%, Re: 0.75%, Ni: 1.0%, Cr: 2.40%, Ti: 0.45%, Mn: 0.8%, Ni: 0.9%, Sb: 0.05%, Sn: 0.35%, Mg : 0.55%, V: 0.26%, rare earth elements: 0.3%, S<0.08%, P<0.04%, the rest is Fe;

[0028] The rare earth elements include the following components by mass percentage: lanthanum: 18%, praseodymium: 18%, dysprosium: 14%, holmium: 8%, gadolinium: 10%, neodymium: 15%, and the rest cerium;

[0029] The components of the anti-icing coating include by mass percentage: 4-methylcyclohexyl isocyanate: 10%, ethyl carbamate: 18%, α-linolenic acid: 2.5%, trimethylolpropane trimethyl Acrylate: 3.7%, Benzoyl Peroxide: 5.4%, Butyl Acrylate: 5%, 2-Hydroxy-1,2-Diphenylethanone: 3.9%, Antimony Doped Tin Oxide Nanocrystals: 7% , Nano-titanium dioxide: 3.5%...

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Abstract

The invention relates to an antifreezing hydraulic pump body which comprises a casing and an anti-icing coating arranged on an outer layer of the casing. The casing comprises, by mass percentage, 3.26-3.56% of C, 2.13-2.56% of Si, 0.8-1.5% of Mo, 1.12-1.32% of Cu, 0.56-0.75% of Re, 0.5-1.0% of Ni, 2.15-2.40% of Cr, 0.36-0.45% of Ti, 0.5-0.8% of Mn, 0.5-0.9% of Ni, 0.02-0.05% of Sb, 0.33-0.35% of Sn , 0.43-0.55% of Mg, 0.23-0.26% of V, 0.1-0.3% of rare earth element, less than 0.08% of S, less than 0.04% of P, and the balance Fe. The casing is high in strength, very small expansion and shrinkage can occur under a large temperature difference, the service life of the antifreezing hydraulic pump body is prolonged, and the cost is reduced; titanium element is added, corrosion resistance and strength can be improved, vanadium element is added, crystal grains can be refined during forging, strength, toughness, corrosion resistance, abrasion resistance and impact load resistance of the antifreezing hydraulic pump body can be improved, copper element is added, the crystal grains can be refined, overheating sensitivity and temper brittleness of the antifreezing hydraulic pump body are reduced, and the strength is improved.

Description

technical field [0001] The invention relates to a pump shell, in particular to an antifreeze hydraulic pump body, which belongs to the technical field of metal smelting. Background technique [0002] In the process of national economic development, casting, as one of the basic industries, plays an important role; among many material forming methods, casting has many advantages such as strong practicability, low cost, and strong operability; specific casting is applied to hydraulic systems For the casting process of the hydraulic pump body, the current traditional casting process design method still relies on the production experience accumulated by the technicians; with the development of the economy, the market competition is becoming more and more fierce, and the traditional method cannot meet the market demand more and more. This scientific and reliable casting process replaces the casting hydraulic pump body of the traditional casting process to improve product quality, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/16F04B53/00C22C37/10
CPCC22C37/10F04B53/00F04B53/16
Inventor 孙创丁学灵
Owner 苏州卫优知识产权运营有限公司
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