Shock test mechanism for steering oil pump
A technology of impact test and steering oil pump, which is applied in the direction of impact test, machine/structural component test, measuring device, etc. It can solve the problems of high failure and high test cost, and achieve low manufacturing cost, reliable test process and strong manufacturability Effect
Active Publication Date: 2015-09-09
HEFEI AUTOMOBILE OIL PUMP
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Problems solved by technology
But there is a phenomenon that the test cost is high and the failure is also high
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[0013] The embodiments of the present invention will be described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention. Detailed implementation modes and specific operation procedures are given, but the protection scope of the present invention is not limited to the following implementations. example.
[0014] Such as figure 1 with figure 2 As shown, this embodiment includes a base 1 and a loading mechanism, a pressure regulating mechanism, and a pressure measuring mechanism respectively provided on the base 1. The base 1 is provided with an oil inlet channel, an oil outlet channel, and an oil return channel. The oil inlet 2, the oil outlet 3 of the oil outlet channel, and the oil return port 4 of the oil return channel are respectively arranged on the base 1. The loading mechanism includes a pulley 5, a rotating shaft 6, a left end cover 7, and a right end cover 8 is connected to the valve core 9, the pulley 5 is con...
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The invention discloses an impact testing mechanism of a steering oil pump. A belt wheel is connected with a rotating shaft. The rotating shaft is connected with a valve core. The valve core is connected with the inside of a base through a left end cover. The rotating shaft is connected with the inside of the base through a right end cover. Two oil paths which are perpendicular to each other are arranged in the valve core. The valve core is located between an oil inlet passage and an oil outlet passage. An oil return passage is arranged between the oil inlet passage and the oil outlet passage. One end of a pressure adjusting plug is fixed on the base, and the other end of the pressure adjusting plug is arranged on the oil return passage. A cone valve is connected with a spring which is connected with the pressure adjusting plug. One end of the pressure adjusting plug is fixed on the base, and the other end of the pressure adjusting plug is arranged on the oil return passage. A pressure gauge rod is arranged on the base. A pressure gauge is connected to the oil return passage. The impact testing mechanism is practical, capable of impacting steering oil pumps different in pressure in a loading mode, capable of adjusting frequency and impacting in a loading mode according to products or actual utilization working conditions, reliable in experiment process, insensitive to oil liquid pollution, and free of phenomena that a valve is stuck or is motionless.
Description
Technical field [0001] The invention relates to a performance testing device for a rotating oil pump, in particular to an impact test mechanism for a steering oil pump. Background technique [0002] When performing performance test of steering oil pump, it is necessary to give a certain pressure and frequency impact test to the oil pump to assess the reliability index of the oil pump. According to the national standard, it needs to be subjected to 300,000 impact tests. At present, the impact test of steering oil pump can be done in China. There are only a few manufacturers, and the experimental equipment is more complicated, and the test cost is also high. Many steering oil pump factories can only perform factory performance tests. [0003] At present, in the impact test of the steering oil pump, the method of loading and unloading the oil pump is basically realized by a computer-controlled electromagnetic proportional valve. The signal from the pressure sensor is transmitted to th...
Claims
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IPC IPC(8): G01M7/08
Inventor 梁俊雷经发
Owner HEFEI AUTOMOBILE OIL PUMP