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Measuring device and method for measuring three-way rigidity of foot support of different specifications

A technology of measuring device and foot, which is applied in the field of CNC machine tool design, can solve the problems of high experimental cost, no application value, and long cycle, and achieve the effects of easy maintenance, real-time monitoring and acquisition, and fast three-way stiffness

Active Publication Date: 2019-06-14
TIANJIN UNIV
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Problems solved by technology

At present, the measurement method for the three-way stiffness of the foundation support mainly adopts the modal test test. The specific method is to simplify the foundation support into a pad-mass system, and through the vibration equation and the measured frequency mode shape To find the equivalent stiffness of the block, but this method has high experimental cost and long cycle, and can only be analyzed for a certain kind of foundation support, which does not have good application value

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  • Measuring device and method for measuring three-way rigidity of foot support of different specifications
  • Measuring device and method for measuring three-way rigidity of foot support of different specifications
  • Measuring device and method for measuring three-way rigidity of foot support of different specifications

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] See figure 1 , the main frame structure of the measuring device is as follows figure 1 As shown, the main frame structure is the platform and foundation of the measuring device, so the reliability of its stiffness is particularly important. Therefore, the main frame is made of cast steel as a whole. In addition, considering the rapidity of the actual construction of the main frame structure, disassembly and assembly of different models Due to the cheapness of the shim iron and the craftsmanship of processing, casting, transportation and installation, the overall structure of the main frame is designed to be divided into upper and lower parts, and twelve bolts are used to conne...

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Abstract

The invention discloses a measuring device and method for measuring three-way rigidity of foot support of different specifications. The measuring device comprises a main body frame, a normal force loading system, a tangential force loading system, a displacement measuring system and an information collecting system. A semi-sealing structure is adopted by the main body frame which is designed in anupper-lower separation mode, hollow force sensors are arranged in the normal force loading system and the tangential force loading system, loaded real-time monitoring and collecting can be realized,partial uniform transferring can be realized through a pressing block arranged at the tail end of the loading system, and actual foot margin loading is stimulated. The displacement measuring system takes an electrical vortex sensor as a core part, and finally the non-contact measurement and collection of a foot support normal and tangential deformation are realized through information collection.Based on the structure, the quick measurement and accurate analysis of the three-way static rigidity of the foot support of different specifications can be realized, the overall operation is simple, measuring is fast, the result is reliably, and the important pioneering significance is achieved to the successive research of the static rigidity of the foot margin supporting.

Description

technical field [0001] The invention relates to the design field of numerical control machine tools, in particular to a measuring device and a measuring method for quickly measuring the stiffness of foundation supports of different specifications. Background technique [0002] Static stiffness is one of the important indicators of machine tool design. Improving the static stiffness of the machine tool is conducive to improving the efficiency, machining accuracy and surface processing quality of the machine tool. At present, the measurement method for the three-way stiffness of the foundation support mainly adopts the modal test test. The specific method is to simplify the foundation support into a pad-mass system, and through the vibration equation and the measured frequency mode shape To find the equivalent stiffness of the block, but this method has high experimental cost and long cycle, and can only be analyzed for a certain kind of foundation support, which does not have...

Claims

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Application Information

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IPC IPC(8): G01M5/00
Inventor 蒋晓航何改云张大卫张士岳
Owner TIANJIN UNIV
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