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Comprehensive Measuring Instrument and Measuring Method with Double Measuring Meters

A technology of comprehensive measuring instrument and measuring table, which is applied in the direction of measuring device, mechanical diameter measurement, mechanical measuring device, etc., can solve problems such as troubles, and achieve the effects of improving detection efficiency, simple structure, and simple measurement operation

Active Publication Date: 2020-11-06
泰州润骐防务科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Especially for launch-type aerial bombs, it is required that the wall thickness error of any circumferential section on the main body of the aerial bomb shell should not exceed 1mm. Due to the unevenness of the inner wall surface, general photoelectric testing equipment and ultrasonic testing equipment cannot complete the test.
[0005] In addition, in the shell processing of aerial bombs, there is also a high requirement for verticality, which needs to be tested by different instruments, which is relatively troublesome

Method used

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  • Comprehensive Measuring Instrument and Measuring Method with Double Measuring Meters
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  • Comprehensive Measuring Instrument and Measuring Method with Double Measuring Meters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Such as Figure 1-3 As shown, a comprehensive measuring instrument with double measuring tables is used for high-precision measurement of the inner cavity of a workpiece, including: a base 1, a slide bar 2, a bracket 7, a bracket 3, a support arm 4 and a measuring rod 5, the The base is a rectangular steel plate, and the base 1 is processed with a long chute 6 along the length direction, and the slide bar 2 is arranged in the long chute 6 and is compatible with the long chute;

[0060] The support 3 is vertically fixed on one end of the slide bar 2, and the height of the support arm 4 is vertically installed on the support 3 so that the support arm 4 is arranged parallel to the base 1;

[0061] The end of the support arm 4 away from the support 3 is provided with an upward bending portion 401, and the measuring rod 5 is pin-connected to the bending portion 401 so that the measuring rod 5 can rotate along the pin connection point;

[0062] The center of one end of the b...

Embodiment 2

[0081] Measurement of inner diameter error:

[0082] S1. Check before measurement: separate the contact of the first dial indicator 210 from the measuring point of the measuring rod, check whether the elasticity of the elastic device, the rotation of each bearing, and the rotation of the measuring rod are normal;

[0083] S2. Place the workpiece horizontally: When the outer diameter of the workpiece A is consistent or partially consistent, adjust the second load-bearing slider 720 to the lowest position, adjust the position of the first load-bearing slider 710, so that the workpiece can be placed horizontally and stably on the bracket 7 superior;

[0084] When the outer diameter of the workpiece is inconsistent, first place the workpiece on the bracket, place the side with the larger outer diameter of the workpiece on the first load-bearing slider 710, and measure the position of the workpiece near the first load-bearing slider and the second load-bearing slider According to ...

Embodiment 3

[0089] Measurement of verticality:

[0090] S10. Installation: place the workpiece horizontally on the bracket according to the method of S2, make one end of the workpiece withstand the first bearing,

[0091] S20. Adjustment: contact the contact of the first or second dial indicator with the end surface to be tested, adjust the first or second dial indicator to zero,

[0092] S30. Measurement: Rotate the workpiece 360 ​​degrees, observe the runout of the first or second dial indicator reading, the difference between the maximum reading and the minimum reading is the error of the end surface to be measured, calculate the error value, and judge whether the verticality is correct qualified;

[0093] Among them, the measurement of the inner diameter error and the measurement of the verticality can be carried out simultaneously.

[0094] In S30, one end of the workpiece is always in contact with the first bearing during measurement, otherwise the measurement result may be inaccu...

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Abstract

The utility model relates to an integrated measuring instrument with double measuring gauges and a measuring method. The integrated measuring instrument comprises a base, a sliding rod, a bracket, a supporting frame, a supporting arm and a measuring rod; the sliding rod is horizontally arranged on the base; the bracket is vertically fixed at one end of the base; the supporting arm is vertically mounted on the bracket; one end of the supporting arm, which is far away from the bracket, is provided with an upward bent portion; the measuring rod is in pin connection with the bent portion; one endof the measuring rod, which is far away from the bracket, is provided with a supporting rod; a sliding sheet is fixed to the top of the supporting rod; one end of the measuring rod, which is adjacentto the bracket, is provided with a measuring point; the sliding rod is provided with a first universal rod adjacent to the measuring point; the top of the universal rod is provided with a first dial gauge; a slide rail is machined at the edge of one side of the base along the length direction of the base; the slide rail is provided with a fixable sliding seat; the sliding seat is provided with a second universal rod; and the top of the second universal rod is provided with a second dial gauge. The integrated measuring instrument with the double measuring gauges of the invention can be used forsimultaneously measuring the inner wall error and perpendicularity of an uneven workpiece with measuring accuracy reaching 0.01mm, is convenient to operate, and can be applied to a variety of workpieces.

Description

technical field [0001] The invention belongs to the technical field of measuring equipment, and in particular relates to a comprehensive measuring instrument with double measuring meters and a measuring method. Background technique [0002] In the processing of some pipe fittings, the precision requirements are extremely high. Taking aerial bombs as an example, in the processing and production of aerial bombs, the processing precision of some aerial bomb shells is extremely high, so as to ensure that the bombs can enter and leave the magazine, drop , Launching or exploding can be operated smoothly, and the machining accuracy error of the shell is required to be within the millimeter level. [0003] During the processing of the inner cavity of the shell, several lines will be processed on the inner wall of the shell, and the surface of the inner wall of the shell will be divided into several regular or irregular diamond-shaped blocks, so that the inner wall of the shell will ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/12G01B5/245
Inventor 刘戈蒋华敏李斌张辉朱玉琳蒋明祁峰
Owner 泰州润骐防务科技有限公司