Energy-saving piston for gas engine

A gas engine, energy-saving technology, applied in the direction of engine components, machines/engines, pistons, etc., can solve problems such as the gap between economy and energy saving and environmental protection performance, high gas consumption and oil consumption, and reduced effective power, etc., to save oil energy. , the effect of low fuel consumption and oil consumption, reduction of emissions and operating noise

Inactive Publication Date: 2012-11-28
石家庄金刚内燃机零部件集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The height of the piston with this structure is high, the wall of the pin hole is thick, and the weight will naturally be large, resulting in a large reciprocating inertial force in the working motion, more frictional work loss, lower effective power, high gas consumption and oil consumption, and low power and economy. There are gaps and deficiencies in energy-saving and environmental protection performance

Method used

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  • Energy-saving piston for gas engine
  • Energy-saving piston for gas engine

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Embodiment 1: The piston is provided with three piston ring grooves sequentially from top to bottom, and the piston ring groove 4 at the uppermost end of the piston is processed by an inlay-cast wear-resistant insert ring 4-1. The contraction window 6 of the piston, the contraction window is inwardly sunken hub shape, its shape is as figure 1 , image 3 . The internal spacing of the snap ring groove 10 of the piston is 91 mm, which is set corresponding to the total length of the piston pin.

Embodiment 2

[0038] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the base material of the piston ring groove 4 at the uppermost end of the piston is consistent with the piston as a whole, and they are all cast aluminum alloys. After the processing of the piston ring groove 4 is completed, a local increase A ceramic film layer 4-2 through micro-plasma oxidation. The thickness of the ceramic film layer 4-2 is 0.010-0.040mm. like figure 2 hint.

Embodiment 3

[0039] Embodiment 3: The difference between this embodiment and Embodiment 2 is that the ceramic film layer 4-2 in the piston ring groove extends to the surface of the piston top surface 1, the piston combustion chamber 2, and the piston head 3.

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Abstract

The invention discloses an energy-saving piston for a gas engine, and solves the technical problem of the heavy piston in the prior art. The technical scheme is that the energy-saving piston for the gas engine comprises a piston top surface, a piston combustion chamber, a piston head, a piston ring groove, a piston skirt, a wedge-shaped pin seat arranged in the cavity of the piston, a piston pin hole provided with a clamp ring groove, and a piston pin, wherein the ratio of the height to the outside diameter of the piston is (1-1.035):1; and the piston pin comprises a piston pin outer cycle, a piston pin inner hole and a conical surface formed in the piston pin inner hole, wherein the ratio of the length of the piston pin to the diameter of the piston pin outer circle is (1.96-2.05):1. The piston and the piston pin provided by the invention are particularly used for a T6114ZLQ-type gas engine, wherein the diameter of a working cylinder is 114 mm, the number of the cylinders is 6, and the displacement is 8L and 9L; the piston is light in weight, reasonable in structure, and low in invalid friction power loss; and the aims of improving power, reducing fuel oil and engine oil consumption, saving energy resources, and reducing pollution and emission are fulfilled.

Description

technical field [0001] The invention belongs to the technical field of mechanical design, and relates to an assembly part of a high-speed medium-heavy gas engine, specifically an energy-saving piston for a T6114ZLQ gas engine, especially suitable for a working cylinder with a diameter of 114 mm and a number of cylinders of 6 Cylinder, T6114ZLQ gas engine with a displacement of 8L and 9L. Background technique [0002] Gas engines are mainly used in mechanical equipment such as automobiles, ships, construction machinery, transportation machinery, generator sets, etc. Pistons and piston pins are one of the most critical parts in the engine, and they are the "heart" of the engine, which burns gas The generated explosive pressure is transmitted to the crankshaft through the crank connecting rod to do work and form power. [0003] Gas engines, especially CNG engines, have superior emissions, economy, and relatively appropriate power, leading to their wider application, especi...

Claims

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Application Information

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IPC IPC(8): F02F3/00F02F3/10F16J1/16
Inventor 王季明刘献丰刘立明魏情郭正伟付静文
Owner 石家庄金刚内燃机零部件集团有限公司
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