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PEMS test method for crawler excavator

A test method and excavator technology, applied in engine test, machine/structural component test, internal combustion engine test, etc., can solve the lack of test methods and other problems, and achieve the effect of simple method, reduced workload and strong operability

Inactive Publication Date: 2019-10-25
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The current non-road PEMS test is in the initial stage of research, and there is a lack of a standard test method

Method used

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  • PEMS test method for crawler excavator

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Embodiment Construction

[0018] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0019] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0020] Such as figure 1 as shown, figure 1 It is a test schematic diagram of a PEMS test method for a crawler excavator according to an embodiment of the present invention. A kind of PEMS testing method of crawler excavator according to the preferred embodiment of the present invention, comprises the following steps:

[0021] Step 1: Before the test, first install and debug the PEMS test equipment;

[0022] Step 2: The ...

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Abstract

The invention discloses a PEMS test method for a crawler excavator. The method comprises a step of installing and debugging a PEMS test device, a step of allowing the crawler excavator to perform earthwork from point A to point B, a step of starting the earthwork of the crawler excavator from a highest gear position and then orderly lowering the gear position to carry out the earthwork until the earthwork at a lowest gear position, wherein the duration of the earthwork of each gear position is the same, a step of repeating the above step multiple times, wherein the operation position can be adjusted slightly from the point A to point B when the crawler excavator performs earthwork, a step of stopping the earthwork until the total outputted by an engine of the crawler excavator reaches a test specified value or an accumulated earthwork time reaches a test specified time, and a step of performing data processing to obtain a PEMS test result. According to the PEMS test method of the invention, the discharge characteristics of the crawler excavator under an actual working condition can be fully reflected, and the method has the advantages of high repeatability, the convenient comparison of different schemes, strong operability and convenience in use.

Description

technical field [0001] The invention relates to a PEMS testing method for a crawler excavator. Background technique [0002] With the increasingly stringent requirements of emission regulations on pollutants emitted by non-road mobile machinery, it is required to carry out PEMS (portable emission test system) testing of the whole vehicle to determine the emission level of the whole vehicle under actual use conditions, in order to further reduce the emission pollution of the whole vehicle . In view of the fact that the current non-road field PEMS testing methods are basically blank. [0003] Currently, PEMS testing in the non-road field is in the initial stage of research, and there is a lack of a standard testing method. [0004] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or any form of suggestion that the information constitutes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/10
CPCG01M15/102
Inventor 罗锋石子杏何培松
Owner GUANGXI YUCHAI MASCH CO LTD
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