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Three-coordinate measuring instrument convenient for field measurement

A three-coordinate measuring instrument and on-the-spot measurement technology, which is applied in the direction of measuring devices, instruments, and optical devices, can solve the problems of disassembly and assembly of measuring machines, inconvenient transportation, and bulky three-dimensional measuring machines, so as to reduce deformation and lighten the overall The effect of weight and easy loading and unloading

Inactive Publication Date: 2016-01-06
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 the disassembly and transportation of the measuring machine are inconvenient when performing three-dimensional field measurement. The present invention provides a three-dimensional measuring instrument that is convenient for field measurement

Method used

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  • Three-coordinate measuring instrument convenient for field measurement

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Experimental program
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Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a three-coordinate measuring instrument that is convenient for realizing field measurement includes a base 1 provided with a sliding rail, a sliding seat 2 arranged on the upper surface of the base 1 and engaged with the sliding rail 2, and fixed to the sliding seat 2 The upper vertical rod 3, the lifting part 5 sleeved on the vertical rod 3 and capable of lifting movement along the length direction of the vertical rod 3, and the horizontal rod arranged on the lifting part 5 and extending relative to the lifting part 5 with adjustable length 4. A measuring head is provided at either end of the crossbar 4, and further includes a plurality of tie rods 6, the upper ends of the tie rods 6 are all fixedly connected with the crossbar 4, the lower ends of the tie rods 6 are all fixed on the sliding seat 2, and The tie rods 6 are annularly arranged around the vertical rod 3; the tie rods 6 are of two-stage combined structure, at least one section of ea...

Embodiment 2

[0025] This embodiment is further limited on the basis of embodiment 1, such as figure 1 As shown, in order to enable the tie rod 6 to serve the entire vertical rod 3, the connection points of the tie rod 6 and the vertical rod 3 are all located at the upper end of the vertical rod 3.

[0026] As a way to reduce the weight of the vertical rod 3 and the tie rod 6 under the condition that the respective strengths of the vertical rod 3 and the tie rod 6 are satisfied, the vertical rod 3 and the tie rod 6 are both tapered with the upper end diameter smaller than the lower end diameter. Rod.

[0027] As a structural form of the vertical rod 3 and the tie rod 6 that are convenient to obtain greater rigidity under the same amount of material, the vertical rod 3 and the tie rod 6 are both hollow structures.

Embodiment 3

[0029] This embodiment is further limited on the basis of any of the solutions provided in the above embodiments, as a way to realize the crossbar 4 with the same material amount and the crossbar 4 has good resistance to bending deformation, and the crossbar 4 is vertical The longitudinal cross-section in the longitudinal direction is a rectangle with a width smaller than a height.

[0030] As a further implementation of the crossbar 4 with the same material amount and the crossbar 4 having good resistance to bending deformation, the crossbar 4 is a hollow rod.

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Abstract

The invention discloses a three-coordinate measuring instrument convenient for field measurement. The three-coordinate measuring instrument comprises a base which is provided with a slide rail, a sliding seat which is arranged on the upper surface of the base and is engaged with the slide rail, a vertical rod which is fixed on the sliding seat, a lifting part which sleeves the vertical rod and can carry out lifting movement along the longitudinal direction of the vertical rod, and a cross rod which is arranged on the lifting part and can stretch out relative to the lifting part, wherein the length of the cross rod is adjustable. A measuring head is arranged on one end of the cross rod. The instrument further comprises a number of pull rods. The upper ends of the pull rods are fixedly connected with the cross rod. The lower ends of the pull rods are fixed on the sliding seat. The pull rods are circularly arranged around the vertical rod. Each pull rod is in a two-segment combined structure. According to the invention, the three-coordinate measuring instrument is in simple in structure, is convenient for disassembly and transport of a three-dimensional measuring machine, is conductive to reducing the deformation of an arm of the three-dimensional measuring machine, and is convenient for three-coordinate field measurement of a workpiece.

Description

Technical field [0001] The invention relates to the field of equipment or component geometric size measuring instruments, in particular to a three-coordinate measuring instrument which is convenient for realizing field measurement. Background technique [0002] A three-dimensional measuring machine is also called a three-coordinate measuring machine, which refers to an instrument capable of measuring geometric shapes, lengths, and circular divisions within the space of a hexahedron. The three-coordinate measuring instrument can also define "a detector that can move in three directions. It can move on three mutually perpendicular guide rails. The detector transmits signals in contact or non-contact ways. The displacement of the three axes The measuring 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 functions of the three-coordinate measuring i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
Inventor 刘宁周姝黄朝胜杨科
Owner API ZC PRECISION INSTUMENT CO LTD
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