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Dynamic load testing device for connecting rod

A dynamic load and testing device technology, which is applied in the direction of measuring devices, testing of mechanical components, testing of machine/structural components, etc., can solve problems such as inability to measure loads in real time, and achieve the effect of simple structure, high precision and low cost

Active Publication Date: 2015-08-19
BEIJING BORGWARD AUTOMOBILE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing connecting rod load testing device cannot measure the load in real time

Method used

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  • Dynamic load testing device for connecting rod
  • Dynamic load testing device for connecting rod
  • Dynamic load testing device for connecting rod

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Embodiment Construction

[0019] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] Figure 1A and 1B The front view and the side view of the connecting rod dynamic load testing device according to the embodiment of the present invention are respectively shown, such as Figure 1A and 1B As shown, the connecting rod dynamic load testing device includes a strain gauge 12 and a data acquisition unit 13, wherein the strain gauge 12 and the data acquisition unit 13 are both arranged on the connecting rod 11 to be tested, and the data acquisition unit 13 is used to collect and store the strain gauge. 12 The strain signal emitted.

[0021] Through the connecting rod dynamic load testing device, the working dynamic load of the connecting rod when the engine is running can be collected in real time, so as to provide an accurate load spectrum for connecting rod design, connecting rod simulation calculation and fatigue reliability test...

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Abstract

The invention relates to a dynamic load testing device for a connecting rod. The dynamic load testing device includes a foil gauge arranged on the to-be-tested connecting rod; and a data collecting unit arranged on the to-be-tested connecting rod and used for collecting strain signals sent by the foil gauge. Therefore, the working dynamic load of the connecting rod when an engine is working can be collected in real time, so that an accurate load spectrum can be provided for connecting rod design, connecting rod simulation calculation and fatigue reliability testing. Besides, the dynamic load testing device is simple in structure, high in precision and low in cost.

Description

technical field [0001] The invention relates to the technical field of vehicle testing, in particular to a connecting rod dynamic load testing device. Background technique [0002] The connecting rod is one of the key components of the reciprocating piston engine. When the engine is running, the connecting rod not only bears the impact force caused by the combustion of the gas in the cylinder that changes periodically, but also needs to bear the inertial force generated by the reciprocation of the piston and its own motion. , its safety and reliability are directly related to the life and reliability of the whole engine. For this reason, the connecting rod must have sufficient strength, rigidity, impact resistance and certain toughness, and at the same time try to be as compact and light in weight as possible. Therefore, the structural design, testing and manufacturing of connecting rods are important tasks in engine development. In order to achieve the goal of high strengt...

Claims

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Application Information

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IPC IPC(8): G01M13/00
Inventor 魏丕勇秦向飞黄钰
Owner BEIJING BORGWARD AUTOMOBILE CO LTD
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