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Measuring instrument device convenient to correct measured value

A measuring instrument and vertical rod technology, which is applied in the field of equipment or component geometric dimension measuring instruments, can solve the problems of disassembly and assembly of measuring machines, inconvenient handling, and cumbersome three-dimensional measuring machines, so as to reduce deformation, lighten total weight, and facilitate measurement. The effect of precision

Inactive Publication Date: 2015-12-16
API ZC PRECISION INSTUMENT CO LTD
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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 measuring instrument device that is convenient for correcting the obtained value

Method used

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  • Measuring instrument device convenient to correct measured value

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Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a measuring instrument device that is convenient for correcting the obtained value includes 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 The vertical bar 3 on the 2, the lifting part 5 which is sleeved on the vertical bar 3 and can move up and down along the length direction of the vertical bar 3, is arranged on the lifting part 5 and stretches out a length-adjustable horizontal bar relative to the lifting part 5. Rod 4, any 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 fixed on the sliding seat 2, And the pull rod 6 is arranged around the vertical rod 3 in a ring shape; the materials of the vertical rod 3 , the pull rod 6 and the cross bar 4 are the same, an...

Embodiment 2

[0025] 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 .

[0026] 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.

[0027] 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

[0029] 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.

[0030] 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 measuring instrument device convenient to correct measured values. The measuring instrument device comprises a base provided with sliding rails, a sliding base arranged on the upper surface of the base and engaged with the sliding rails, a vertical rod fixed on the sliding base, a lifting part which sleeves the vertical rod and can do lifting motion along the length direction of the vertical rod, a cross rod with adjustable extending length relative to the lifting part, and a plurality of pull rods, wherein the cross rod is arranged on the lifting part, an arbitrary end of the cross rod is provided with a measuring head, the upper end of each pull rod is fixedly connected with the cross rod, the lower end of each pull rod is fixed on the sliding base, and the pull rods are arranged on the periphery of the vertical rod annually; and the pull rods are of a two-section combined structure, the vertical rod, the cross rod and the pull rods are made of same materials, and each of the vertical rod, the cross rod and the pull rods is provided with a temperature sensor. The measuring instrument device is simple in structure, is convenient in disassembly and transportation of the 3D measuring machine, is conductive to reducing deformation of arms of the 3D measuring machine, and is high in accuracy of the measured values.

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 instrument device which facilitates correction of obtained values. 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 The measurement system (such as grating ruler) calculates each point (x, y, z) of the workpiece and the instrument for measuring various functions through a data processor or computer. The measurement function of the three-coordinate measuring ins...

Claims

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Application Information

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IPC IPC(8): G01B21/00
Inventor 刘宁周姝覃欣兰波
Owner API ZC PRECISION INSTUMENT CO LTD
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