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Testing device of crankshaft rotor-bearing system dynamics experimental bench

A test device and test bench technology, applied in mechanical bearing testing, engine testing, measuring devices, etc., can solve the problems of backward manufacturing capacity of marine crankshafts, restricting the development of the shipbuilding industry, etc., and achieve the effect of perfect understanding

Active Publication Date: 2008-06-11
SHANGHAI ELECTRICGROUP CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, there is no test bench similar to the vibration law and dynamics of the crankshaft, so people's understanding of the crankshaft rotor-bearing system is inhibited, and the manufacturing capacity of my country's marine crankshafts has been in a backward state, which seriously restricts Development of my country's Shipbuilding Industry

Method used

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  • Testing device of crankshaft rotor-bearing system dynamics experimental bench
  • Testing device of crankshaft rotor-bearing system dynamics experimental bench

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Embodiment Construction

[0014] see figure 1 and figure 2 , the testing device of the test bench for simulating the crankshaft rotor-bearing system dynamics of the present invention includes a driving device, a supporting device, a measured crankshaft 1, a loading device, and a signal measuring device. The crankshaft 1 to be tested has thrust discs 17, 18 at the front and rear ends, six bell cranks 11-16 and a sprocket 10 are arranged in the middle, and are connected to the thrust discs 17, 18 and six bell cranks 11-16 and Between the sprocket wheels 10 are journals A~H, which are supported by a support device and fixed on the test bench. The support device includes a sliding bearing (not shown), and the sliding bearing is fixed on the test bench and supported on the test bench Measure the journals A to H of the crankshaft. The drive device drives the measured crankshaft 1 to rotate. The drive device includes a motor, a reducer and a coupling 21. The motor and the reducer are integrated, and the mo...

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Abstract

The invention discloses a testing device for the test table which stimulates the motion of the bent-axle rotator-bearing system, and comprises a drive device comprising a motor and a reducer, a supporting device, a tested bent axle, a loading device and a signal measuring device. The invention has the advantages of being able to study the coupling action of the bent-axle rotator-bearing system dynamic behavior of high-power, low speed and semi-integrated marine diesel and the vibration problem when the bent axle rotating separately and being processed, which also can research the dynamics problem when working with a connecting prod and a piston; besides, through testing, the invention discloses the situation that the radial unbalanced quality pushing can lead to the coupling vibration of bent axle. The invention can help people to have more perfect understanding to the bent-axle rotator-bearing system and build more accurate correlative dependence relation among each design index for multi-cylinder diesel, which provides guidance on the theory of improving the performance of diesel further.

Description

technical field [0001] The invention relates to a test device for a crankshaft rotor-bearing dynamic test bench. Background technique [0002] The crankshaft is one of the most important components in engines such as diesel engines, internal combustion engines, and steam engines. The reciprocating motion of the piston is converted into the rotational motion of the crankshaft through the connecting rod. The power of the diesel engine, internal combustion engine, and steam engine is output through the crankshaft, and directly or indirectly drives the gas distribution system, fuel injection pump, oil pump, water pump and other components. With the development of modern power equipment in the direction of high power, high efficiency, high reliability, and low noise, the requirements for the dynamic performance of the crankshaft system are getting higher and higher. [0003] Since the crankshaft is a typical asymmetric structural part with the characteristics of anisotropy and a...

Claims

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Application Information

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IPC IPC(8): G01M13/00G01M13/04G01M15/00G01M15/06G01M15/12G01M19/00G01M7/02G01M99/00
Inventor 张青雷张锁怀林尧武
Owner SHANGHAI ELECTRICGROUP CORP
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