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Variable-frequency loading intelligent brake testing system and method

A testing system and brake technology, which is applied in the testing of machine/structural components, testing of mechanical components, instruments, etc., can solve problems such as testing the braking performance of intelligent brakes, achieve less parts, smooth braking process without impact, The effect of simple structure

Active Publication Date: 2017-10-20
TONGJI UNIV
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Problems solved by technology

In order to achieve the above purpose and overcome the defects existing in the prior art, the present invention provides a variable frequency loading intelligent brake testing system and its testing method to solve the problem of how to test the braking performance of the intelligent brake

Method used

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  • Variable-frequency loading intelligent brake testing system and method
  • Variable-frequency loading intelligent brake testing system and method
  • Variable-frequency loading intelligent brake testing system and method

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0032] combine figure 1 and figure 2 As shown, the present invention firstly provides a variable frequency loading intelligent brake testing system, including: a pedestal 1; an encoder support 2; an absolute value angle encoder 3; a first elastic coupling 4; Brake disc 6; brake disc right shaft 7; second elastic coupling 8; dynamic torque sensor 9; torque limiting coupling 10; inertia wheel shaft 11; flywheel 12; third elastic coupling 13; AC motor 14; bearing housing 15; round nut 16; bearing 17;

[0033] Among them, specifically, the pedestal 1 is respectively connected with the encoder support 2, the dynamic torque sensor 9, the AC motor 14, the bearing seat 15, the limit switch 19 and the intelligent brake 21 with high-strength bolts, and the encoder support 2 and the absolute value angle encoder 3 are connected with ordinary bolts. Th...

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Abstract

The invention discloses a variable-frequency loading intelligent brake testing system and method. The system comprises an installation pedestal, and the installation pedestal is provided with a transmission central shaft, a limiting switch, and a to-be-tested intelligent brake. The transmission central shaft is provided with a braking disc; a motor and an angle coder which are in transmission connection with each other; and a twisting force limiting shaft coupler. The intelligent brake is used for braking a braking disc, and the motor is used for controlling the rotating speed of the transmission central shaft. The angle coder is used for collecting the rotating speed of the shaft. When the braking disc is braked and the generated shaft torque is greater than a limit value, the twisting force limiting shaft coupler generates shaft rotating slipping, and the limiting switch is used for collecting and judging whether the twisting force limiting shaft coupler slips, and an external control end is used for sending a command and giving an alarm. The torque sensor records the size of the torque between the braking disc and the load in the whole testing process. According to the invention, the system solves a problem of how to test the braking performances of the intelligent brake.

Description

technical field [0001] The invention belongs to the technical field of test systems, and relates to a test system and a test method for intelligent brakes based on frequency conversion loading. Background technique [0002] At present, the normally closed electro-hydraulic brake is a commonly used safety device in the industrial field. It is usually used for the braking of crane trolleys, carts, hoisting and luffing devices, the braking of wind power equipment, and the prevention of sagging of anchor chains when ships break down. Its function is to brake the moving parts according to the driver's command. [0003] Traditional normally closed brakes only have opening and closing functions, without a controllable intermediate state. This causes the brake to directly lock the brake pad when braking, which will generate a huge impact force, and also cause the local part of the brake to heat up rapidly and be damaged. In some applications, such as emergency stop conditions, it ...

Claims

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Application Information

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IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 孙远韬李强张氢秦仙蓉
Owner TONGJI UNIV
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