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Piston Angle Test Tooling

A piston and angle technology, which is applied in the field of piston angle test tooling, can solve the problems of long confirmation cycle of the sharp angle of the piston pit, and achieve the effects of reducing the development cycle, saving production costs, and improving production efficiency

Active Publication Date: 2020-02-14
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a piston angle test tool, which aims to solve the problem of long confirmation period of the sharp angle of the piston pit

Method used

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in t...

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Abstract

The invention discloses a piston angle test tool, used for adjusting an included angle in a pit of a piston. The piston angle test tool comprises a substrate, a flexible test plate and a driving mechanism; a slot is formed in the substrate; the outer edge of the flexible test plate is abutted against the slot wall of the slot; the driving mechanism is used for driving the flexible test plate to expand or shrink, so that the outer edge of the flexible test plate slide back and forth along the slot wall of the slot. The slot is formed in the substrate for simulating the pit on the top of the piston, the flexible test plate is used for simulating the angle of the sharp corner of the pit, and the driving mechanism is used for driving the flexible test plate to expand or shrink to simulate thedifferent pit sharp corners, so that under the scheme of the existing oil sprayer nozzle oil pocket taper angle, the pit sharp corner under the best state is expressed by verifying the dynamic property, economy and discharge, and thus the development period of the product is reduced; the technical scheme provided by the invention saves production cost and also improves production efficiency.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a piston angle test tool. Background technique [0002] According to engineering indicators such as engine power, economy, and emissions, the relevant parameters of the engine combustion system (combustion chamber, nozzle parameters, air passage, timing, etc.) are finally defined by means of numerical calculation and test verification. The entire development process is called the engine. Combustion system development. Different from gasoline engines, diesel engines process pits on the top of the piston, and try to make the combustion process take place in the pits, which is called the effective compression volume. In order to make use of high injection pressure and high swirl ratio to promote the full mixing of fuel and air, small high-speed diesel engines often use deep-pit combustion chambers, and based on economical and emission considerations, currently small diesel engines ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M15/06
CPCG01M15/06
Inventor 解亮黄保科马勇林园园欧力郡南出勇程渊杨光杜柏超吴鹏朱黄龙王晶晶
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD