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Combined heavy machine tool foundation settlement precision detection device

A combined foundation and foundation settlement technology, which is applied in the field of combined heavy-duty machine tool foundation settlement precision detection devices, can solve the problems of waste of embedded sensor resources and long detection accuracy of a single sensor, so as to improve detection accuracy and reduce linear The effect of degree problem and installation stress, easy installation

Active Publication Date: 2021-10-22
BEIJING UNIV OF TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to propose a combined heavy-duty machine tool foundation settlement precision detection device, which obtains the settlement deformation data of the heavy-duty machine tool foundation through the experimental device, and aims at the resource waste and single The detection accuracy problem caused by the long sensor can realize the replacement of the basic block and the high-precision detection of the short-distance distributed sensor

Method used

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  • Combined heavy machine tool foundation settlement precision detection device
  • Combined heavy machine tool foundation settlement precision detection device
  • Combined heavy machine tool foundation settlement precision detection device

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Experimental program
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Embodiment Construction

[0016] like Figure 1~3 Shown is a combined heavy-duty machine tool foundation settlement precision detection device.

[0017] Determine the size of the machine tool foundation according to the established machine tool scale ratio. Referring to the topological structure and force characteristics of the machine tool, choose to arrange the fiber optic sensor at the position of the basic control guide rail. In order to realize the replacement of the damaged sensor, the foundation of each side is designed in combination, which can be determined according to the actual situation. Here, it is divided into four sub-blocks as an example, and the length of each sub-block is equivalent. The four sides of the combined foundation are fixed with an adjustable foundation box 5. By adjusting the tightness of the adjusting nut 6, the rigidity of the foundation block is ensured. A single combined foundation sub-block ensures the roughness of the contact surface to ensure full contact and avoi...

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Abstract

The invention discloses a combined heavy-duty machine tool foundation settlement precision detection device, and belongs to the field of heavy-duty machine tool foundation settlement precision detection. According to the structural characteristics of the heavy numerical control machine tool, main stress areas of the foundation are respectively designed into a combined structure of a plurality of foundation sub-blocks, optical fiber sensors are laid in the foundation sub-blocks to detect the bearing deformation of the foundation, the single optical fiber sensor is convenient to install, and the detection precision is higher; and the combined type basic block can realize replacement of a single basic sub-block. The optical fiber sensors are led out through the foundation block preformed grooves and connected into the multi-channel acquisition equipment in parallel, when the optical fiber sensors are damaged, the foundation blocks with problems can be conveniently and rapidly positioned, and finally data acquisition of foundation settlement is achieved through a distributed optical fiber sensing system. The experimental device adopts the adjustable foundation box, so that the rigidity requirement of the combined foundation block is ensured.

Description

technical field [0001] The invention relates to the technical field of heavy-duty numerical control machine tool foundation settlement detection, in particular to a combined heavy-duty machine tool foundation settlement precision detection device. Background technique [0002] The concrete foundation is the carrier of heavy-duty CNC machine tools, and its load-bearing deformation directly affects the working accuracy and life of machine tool components. In order to ensure the accuracy, it is generally required that the inclination of the basic part of the bed rail in the longitudinal direction is not more than 0.005mm. For the high-precision design requirements, it is necessary to match the high-precision detection method. The traditional detection method can no longer meet the detection requirements in terms of sensor assembly and test accuracy. The fiber optic sensor with high measurement sensitivity and strong anti-interference ability is laid in the concrete foundation. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00E02D33/00
CPCG01C5/00E02D33/00Y02P90/02
Inventor 杨聪彬张建涛刘志峰姜凯赵永胜苏贺旺
Owner BEIJING UNIV OF TECH
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