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New energy cylinder sleeve and production method thereof

A cylinder liner and new energy technology, applied in the direction of cylinders, cylinder heads, mechanical equipment, etc., can solve the problems of high explosion pressure, Euro VI emissions, etc., and achieve the effect of improving movement space, high wear resistance, and increasing strength

Inactive Publication Date: 2017-03-22
ZYNP GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current state of the cylinder liner cannot meet the requirements of high explosion pressure, Euro VI emissions, and low fuel consumption, so it is urgent to develop a high-efficiency cylinder liner suitable for new energy

Method used

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  • New energy cylinder sleeve and production method thereof
  • New energy cylinder sleeve and production method thereof
  • New energy cylinder sleeve and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A new energy cylinder liner, such as figure 2 and 3 As shown, the cylinder liner includes an upper thin-walled section 1 and a lower thick-walled section 2. The connection between the thin-walled section 1 and the thick-walled section 2 is provided with a supporting shoulder 3, and the bottom end of the thick-walled section 2 There is a connecting rod avoidance groove 4; the cylinder liner structure adopts a middle support design, and the cylinder liner is press-fitted by the top of the thin-walled section 1 from the lower end of the cylinder hole and is gradually pressed upwards. Ying fit, the thick-walled section 2 is a clearance fit with the cylinder bore. In weight percent, the chemical composition of the cylinder liner is: 2.70% carbon, 1.60% silicon, 0.50% manganese, 0.20% phosphorus, 0.05% sulfur, 0.20% chromium, 0.20% copper, 0.30% nickel, 0.20% molybdenum, The balance is iron.

[0031] The production process of the above-mentioned new energy cylinder liner ...

Embodiment 2

[0044] A new energy cylinder liner, such as figure 2 and 3 As shown, the cylinder liner includes an upper thin-walled section 1 and a lower thick-walled section 2. The connection between the thin-walled section 1 and the thick-walled section 2 is provided with a supporting shoulder 3, and the bottom end of the thick-walled section 2 There is a connecting rod avoidance groove 4; the cylinder liner structure adopts a middle support design, and the cylinder liner is press-fitted by the top of the thin-walled section 1 from the lower end of the cylinder hole and is gradually pressed upwards. Ying fit, the thick-walled section 2 is a clearance fit with the cylinder bore. In weight percent, the chemical composition of the cylinder liner is: 2.90% carbon, 1.80% silicon, 0.70% manganese, 0.35% phosphorus, 0.07% sulfur, 0.35% chromium, 0.30% copper, 0.40% nickel, 0.40% molybdenum, The balance is iron.

[0045] The production process of the above-mentioned new energy cylinder liner ...

Embodiment 3

[0057] A new energy cylinder liner, such as figure 2 and 3 As shown, the cylinder liner includes an upper thin-walled section 1 and a lower thick-walled section 2. The connection between the thin-walled section 1 and the thick-walled section 2 is provided with a supporting shoulder 3, and the bottom end of the thick-walled section 2 There is a connecting rod avoidance groove 4; the cylinder liner structure adopts a middle support design, and the cylinder liner is press-fitted by the top of the thin-walled section 1 from the lower end of the cylinder hole and is gradually pressed upwards. Ying fit, the thick-walled section 2 is a clearance fit with the cylinder bore. In weight percent, the chemical composition of the cylinder liner is: 3.20% carbon, 2.10% silicon, 0.90% manganese, 0.50% phosphorus, 0.10% sulfur, 0.50% chromium, 0.50% copper, 0.40% nickel, 0.60% molybdenum, The balance is iron.

[0058] The production process of the above-mentioned new energy cylinder liner ...

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Abstract

The invention aims at providing a new energy cylinder sleeve and a production method thereof. The cylinder sleeve comprises the chemical components in percentage by weight: 2.70-3.20% of C, 1.60-2.10% of Si, 0.50-0.90% of Mn, 0.20-0.50% of P, less than or equal to 0.10% of S, 0.20-0.50% of Cr, 0.50-0.90% of Cu and Ni, 0.20-0.60% of Mo and the balance Fe. The new energy cylinder sleeve provided by the invention meets the requirements of high detonation pressure, high emission and low fuel consumption so as to be suitable for new energy.

Description

technical field [0001] The invention belongs to the technical field of cylinder liner manufacturing, and in particular relates to a new energy cylinder liner and a production method thereof. Background technique [0002] Energy shortage and environmental pollution are two major problems faced by human beings. People urgently need to find alternative fuels to replace traditional fuels. Among them, low-pollution alcohols and natural gas have attracted much attention. The density of methanol is similar to that of gasoline, and the octane number is higher, which can increase the compression ratio and improve the economy. Moreover, methanol has a higher oxygen content and can be fully burned in the cylinder, which is conducive to improving engine emissions. However, the current state of cylinder liners cannot meet the requirements of high explosion pressure, Euro VI emissions, and low fuel consumption. Therefore, it is urgent to develop a high-efficiency cylinder liner suitab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00C22C37/10C22C37/08C22C33/08B22D13/00B23P15/00
CPCF02F1/004B22D13/00B23P15/00C22C33/08C22C37/08C22C37/10
Inventor 高广东张红菊王勇王刚
Owner ZYNP GRP
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