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Targeting method of cooling nozzle

A technology for cooling nozzles and bull's-eyes, which is applied in liquid cooling, engine cooling, instruments, etc., can solve the problem of low shooting efficiency of cooling nozzles, and achieve the effect of improving shooting efficiency

Active Publication Date: 2018-06-01
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a cooling nozzle shooting method to solve the problem of low shooting efficiency of existing cooling nozzles

Method used

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  • Targeting method of cooling nozzle
  • Targeting method of cooling nozzle

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Embodiment Construction

[0034] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0035] like figure 1 As shown, a kind of cooling nozzle shooting method provided by the present invention includes:

[0036] S101. Design the cooling nozzle 1 so that the position of the cooling nozzle 1 relative to the valve body can be adjusted:

[0037] In one embodiment, the current hollow bolt type piston cooling nozzles all have positioning pins, which results in that the positional relationship between the valve body and the piston cooling nozzles is fixed and cannot be adjusted as long as the machining is completed. Specifically, such as image 3 As shown, the cooling nozzle provided by the present invention is a hollow bolt type piston cooling nozzle. The cooling nozzle 1 does not have the structure of the positioning pin, and at the same time, the first valve body 5a and the first bolt 6...

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Abstract

The invention belongs to the technical field of engines and discloses a targeting method of a cooling nozzle, comprising: loosely mounting the cooling nozzle to a valve block, and adjusting the position of the cooling nozzle; allowing a beam from a light emitter at an outlet of the cooling nozzle to irradiate a target plug in an oil incoming hole of an inner cool oil passage; observing whether a light point on the target plug is within a target area; if yes, fastening the cooling nozzle. The beam from the light emitter at the outlet of the cooling nozzle is allowed to irradiate the target plugin the oil incoming hole of the inner cool oil passage; whether the light point on the target plug is in the target area is judged by observing so as to judge whether an oil slow from the cooling nozzle can fully cover the oil incoming hole of the inner cooling passage; therefore, the cooling nozzle can monitor whether the cooling nozzle is aligned with the oil incoming hole of the inner cool oilpassage in real time during assembly phase, dynamic centering is achieved, target efficiency of the cooling nozzle is guaranteed, and the problem that an existing cooling nozzle has low targeting efficiency is solved.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a method for shooting a cooling nozzle. Background technique [0002] When designing the engine, as the engine power increases, the workmanship of the piston increases, and the cooling of the piston is particularly important. Usually, a more effective cooling method is to set a cooling oil passage in the piston, and the cooling nozzle sprays engine oil into the cooling oil passage to cool the piston. During the use of the engine, if the cooling nozzle cannot accurately spray the oil into the oil hole of the piston cooling oil passage, it will cause the failure of the cylinder and the melting top of the piston. The consequences of the failure are very serious, so it must be installed on the engine. Each of the nozzles can accurately spray oil according to the design flow. [0003] The cooling nozzles in the prior art do not have real-time monitoring of whether the assembled nozz...

Claims

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Application Information

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IPC IPC(8): F01P3/08G01B11/00
CPCF01P3/08G01B11/00
Inventor 崔凯李会王有治陈利赵文彬韩承敏齐伟
Owner WEICHAI POWER CO LTD
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