Loading unit for measuring moving angular displacement index for rocker of electric mechanism
A technology of electric mechanism and loading device, which is applied to measuring devices, instruments, etc., can solve problems such as the limitation of angular displacement range, and achieve the effect of solving measurement errors, eliminating gaps, and enhancing scalability.
Inactive Publication Date: 2012-01-11
CHENGDU AIRCRAFT INDUSTRY GROUP
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Problems solved by technology
Therefore, the measured angular displacement range is limited
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[0010] figure 1 A best embodiment of the loading device of the present invention consisting of a loading mechanism and a testing platform is described. The loading mechanism includes a motor mechanism 1 under test connected by an upper platform of a bracket 10 and a rocker arm 2 of the motor mechanism connected to the rotating main shaft of the motor mechanism 1 under test. The rocker arm 2 of the electric mechanism is connected with the rocker arm 4 of the fixture through a connecting pin 3 . The connecting shaft of the fixed fixture rocker arm 4 is connected to the loading wheel 8 surrounded by the steel cable 5 through the vertical support plate of the bracket 10 . Steel cable 5 is hung with weight 9. The weight 9 drives the steel cable 5 to apply torque to the loading wheel 8 , and the loading wheel 8 loads the electric mechanism 1 through the clamp rocker 4 and the connecting pin 3 .
[0011] The test platform includes a loading wheel 8 coaxially connected to the rocke...
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The invention discloses a loading device for measuring the motion angular displacement indexes of electric-mechanism rocker arms, which comprises a loading mechanism consisting of a rocker arm connected with a measured electric mechanism through a bracket, a weight hung through a steel rope, and a loading rotary table applied with moment through pulling the steel rope by the weight, wherein an extended shaft of the loading rotary table coaxially connected with the rocker arm of the electric mechanism is connected with a displacement sensor through an elastic connector. As only a gap between aconnecting pin and the rocker arm exists between the rocker arm of the electric mechanism and an angular displacement sensor in a testing platform built through the angular displacement sensor and the loading mechanism, the problems that the prior art is big in measurement error caused by gaps, low in precision and complex in the structure of a mechanical conversion mechanism driven by a gear wheel are solved. The loading device can be flexibly applied by matching the sensor with different precision, and does not need to alter the modes of other mechanical structures. In addition, the 360-degree range measurement that can be performed by the angular displacement sensor further extends test expandability.
Description
technical field [0001] The invention relates to a device for measuring the index content of the rocker arm movement angle displacement of a rocker arm output electric mechanism. Background technique [0002] In the prior art, the rocker arm output electric mechanism is a finished product commonly used in the control system for position control. The rocker arm output electric mechanism can be controlled by the controller, and the rocker arm of the mechanism rotates to generate a corresponding displacement and realize position control. The load measurement device of the rocker arm output motor mechanism is composed of a support, a load gear plate with a steel cable, a weight, a transmission gear, a pointer, a dial and a connecting pin. The connecting pin connects the rocking arm of the electric mechanism with the loading gear plate, so that the loading gear plate is linked with the rocking arm of the electric mechanism. The weight is suspended on the lower end of the steel c...
Claims
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IPC IPC(8): G01B21/22
Inventor 胡际东钟正海
Owner CHENGDU AIRCRAFT INDUSTRY GROUP