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A Measuring Method for Improving the Precision of Multi-Dimensional Finishing

A measurement method and multi-dimensional technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of disassembly and assembly of measuring machines, inconvenient handling, and bulky 3D measuring machines, and achieve the effects of reducing deformation, lightening total weight, and light handling

Inactive Publication Date: 2017-06-09
重庆市路迪机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the measurement accuracy of the three-dimensional measuring machine in the prior art is greatly affected by the deformation of its upper arm, the vertical bar that needs to bear the bending moment on the three-dimensional measuring machine in the prior art is generally set to a larger size, so as to facilitate the deformation of the upper arm when it is stressed. The deformation is as small as possible, so the existing three-dimensional measuring machine is generally relatively heavy, and it is inconvenient to disassemble and transport the measuring machine when performing three-dimensional field measurement. The present invention provides a measurement method that improves the accuracy of multi-dimensional finishing

Method used

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  • A Measuring Method for Improving the Precision of Multi-Dimensional Finishing

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Effect test

Embodiment 1

[0023] Such as figure 1 As shown, a measurement method for improving the accuracy of multi-dimensional finishing, including a base 1 provided with a slide rail, a sliding seat 2 arranged on the upper surface of the base 1 and engaged with the slide rail, fixed on the sliding seat 2 The vertical bar 3 on the top, the lifting part 5 that is sleeved on the vertical bar 3 and can move up and down along the length direction of the vertical bar 3, and the horizontal bar that is arranged on the lifting part 5 and can extend out in length relative to the lifting part 5 4. Any one end of the cross bar 4 is provided with a measuring head, and also includes a plurality of pull rods 6, the upper ends of the pull rods 6 are fixedly connected with the cross bar 4, and the lower ends of the pull rods 6 are all fixed on the sliding seat 2, and The pull rods 6 are annularly arranged around the vertical rod 3; the pull rods 6 are two-section combined structures, at least one section of each pu...

Embodiment 2

[0028] The present embodiment is further limited on the basis of embodiment 1, as figure 1 As shown, in order to enable the pull rod 6 to serve the whole of the vertical rod 3 , the connection points between the pull rod 6 and the vertical rod 3 are located at the upper end of the vertical rod 3 .

[0029] As an implementation method that can reduce the weight of the vertical rod 3 and the pull rod 6 under the condition of satisfying the respective strengths of the vertical rod 3 and the tie rod 6, the vertical rod 3 and the tie rod 6 are all conical with the upper end diameter smaller than the respective lower end diameter pole.

[0030] As a structural form of the vertical rod 3 and the tie rod 6 that is convenient to obtain greater rigidity under the same material consumption, the vertical rod 3 and the tie rod 6 are both hollow structures.

Embodiment 3

[0032] This embodiment is further defined on the basis of any one of the solutions provided in the above embodiments, as a realization of the cross bar 4 that has good resistance to bending deformation under the same amount of material, and the cross bar 4 is vertical The longitudinal cross-section in its length direction is a rectangle whose width is smaller than the height.

[0033] As a further implementation of the cross bar 4 which has good resistance to bending deformation under the same material consumption, the cross bar 4 is a hollow bar.

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Abstract

The invention discloses a measurement method for improving the precision of multi-dimensional finishing, which comprises a base provided with slide rails, a slide seat arranged on the upper surface of the base and engaged with the slide rail, a vertical slide fixed on the slide seat The rod, the lifting part that is sleeved on the vertical rod and can move up and down along the length direction of the vertical rod, the horizontal bar that is arranged on the vertical rod and can be adjusted in length relative to the lifting part, and any end of the horizontal rod is set There is a measuring head, which also includes a plurality of pull rods, the upper ends of the pull rods are fixedly connected with the cross bar, the lower ends of the pull rods are fixed on the sliding seat, and the pull rods are arranged around the vertical rod in a ring shape; the pull rods are two Section combined structure, the material of the vertical bar, the horizontal bar and the tie bar is the same, and the three are all equipped with temperature sensors. The invention has a simple structure, is convenient for the disassembly and transportation of the three-dimensional measuring machine, and is also beneficial for reducing the deformation of the arm of the three-dimensional measuring machine, and is convenient for realizing the three-coordinate on-the-spot measurement of the workpiece, and at the same time, the accuracy of the obtained value is high.

Description

technical field [0001] The invention relates to the field of measuring instruments for geometrical dimensions of equipment or components, in particular to a measuring method for improving the precision of multi-dimensional finishing. Background technique [0002] A three-dimensional measuring machine, also known as a three-dimensional measuring instrument, refers to an instrument that can express geometric shapes, lengths, and circumferential graduations within a hexahedral space. The three-coordinate measuring instrument can also define "a detector that can move in three directions and can move on three mutually perpendicular guide rails. The detector transmits signals in contact or non-contact. The displacement of the three axes measurement system (such as Grating ruler ) through a data processor or computer to calculate the points (x, y, z) of the workpiece and various functional measurement instruments". The measurement functions of the three-coordinate measuring instru...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
Inventor 谭明聪
Owner 重庆市路迪机械厂
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