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Rocker arm type linear electromechanical actuator performance test bench

A linear electromechanical and actuator technology, which is applied in the testing of machines/structural components, testing of mechanical components, instruments, etc., can solve problems such as the inability to simulate the swing phenomenon of linear electromechanical actuators, and achieve a compact structure, The effect of convenient operation and large operable space

Active Publication Date: 2019-07-05
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the actuator performs high-frequency output, the impact of this swing on the performance of the linear electromechanical actuator cannot be ignored. However, the patented "multifunctional linear electromechanical actuator performance test bench" cannot simulate the linear electromechanical actuator. Swing phenomenon in actual working condition

Method used

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  • Rocker arm type linear electromechanical actuator performance test bench
  • Rocker arm type linear electromechanical actuator performance test bench
  • Rocker arm type linear electromechanical actuator performance test bench

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Embodiment Construction

[0036] The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0037] refer to figure 1 , a rocker arm type linear electromechanical actuator test bench of the present invention includes a basic platform 1, a dovetail slot mounting bracket 2, a dovetail slider assembly 3, a stiffness simulator assembly 4, a measured linear actuator assembly 5, inertia simulation 6, loading end rocker arm assembly 7, tested end rocker arm assembly 8, spline drive shaft 9, loading assembly 10, pressing block assembly 11, joint bearing mounting seat assembly 12, loading cylinder mounting bracket 13, loading end bearing The force rod 14 , the bearing seat assembly 15 , the angle encoder 16 , the intermediate mounting frame 17 , the test end bearing rod 18 , the linear slider assembly 19 , the linear guide rail 20 , and the proximity sensor assembly 2...

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Abstract

The invention discloses a rocker type linear electromechanical actuator performance test stand, which can meet the performance test of different types of linear electromechanical actuators in rocker arm installation and horizontal installation states. The test stand can adjust the height of a dovetail slide assembly 3 to change the included angle between the linear actuator to be tested and a drive rocker arm. By adjusting the position of a dovetail mounting bracket 2, the test stand can be adapted to installation of different neutral-length actuators. The entire test stand is modularly designed to accommodate the various performance tests of linear electromechanical actuators under different operating conditions. A linear actuator assembly to be tested 5 and a loading assembly 10 of the test stand can be installed by a swing arm or horizontally installed, and the actual working state of the linear actuator to be tested can be simulated by replacing different rocker arm assemblies. Thetest stand can install a stiffness simulator assembly 4 and an inertia simulator assembly 6 to complete real-time monitoring of test data.

Description

technical field [0001] The invention relates to a mechanical device of a rocker arm type linear electromechanical actuator performance test bench. Background technique [0002] Linear electromechanical actuators are small in size, high in efficiency, light in weight, strong in survivability and easy in maintenance, so they are widely used in flight control systems, precision machine tools, robots and industrial process control, especially in modern all-electric aircraft and weapons. and other fields, linear electromechanical actuators have been widely used in aircraft rudder systems. The linear electromechanical actuator acts as a flight control steering gear, and its actuation performance will directly affect the performance of the aircraft. The spatial installation of the linear electromechanical actuator also affects its output characteristics. Therefore, it is necessary to establish a test bench that can simulate the actual working and installation environment of the l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
CPCG01M13/00
Inventor 刘岚赵颖刘更付晓军佟瑞庭杨小辉王海伟
Owner NORTHWESTERN POLYTECHNICAL UNIV
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