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Detector for judging mounting height of pointer and detection method thereof

A technology of installation height and pointer, which is applied in the field of inspection tools for judging the installation height of the pointer and its inspection field, can solve the problems of cumbersome measurement steps, easy misjudgment, large measurement error, etc., and achieve simple structure, easy judgment, and easy operation convenient effect

Inactive Publication Date: 2009-11-11
SHANGHAI DELCO ELECTRONICS & INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the displacement of the benchmark during the test, and the deformation caused by the weight of the dial gauge and the bracket on the dial, and many instrument dials are concave-convex, it is necessary to use the auxiliary board to avoid the concave-convex area, so the measurement steps are cumbersome. , the efficiency is low, and the measurement error is large, which is easy to cause misjudgment

Method used

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  • Detector for judging mounting height of pointer and detection method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The height of the pointer 111 to be measured is 7±0.3, and the following steps are performed for detection:

[0037] Step 1. The base and the connecting rod are assembled together to form a reference measuring seat;

[0038] Step 2. Since the minimum installation height is 6.7mm and the difference from the base is 0.2mm, add the first standard plug piece with a thickness of 0.2mm to the connecting rod;

[0039] Step 3. Set the reference gauge block on the connecting rod;

[0040] Omit step 4;

[0041] Step 5, install the upper limit block on the connecting rod;

[0042] Step 6. Perform detection; visually check whether the height of the pointer is figure 1 The shown detection qualified area 222 is within the error range; judge whether it is qualified or not;

Embodiment 2

[0044] The height of the pointer to be measured is 7±0.5, and the following steps are performed for detection:

[0045] Step 1. The base and the connecting rod are assembled together to form a reference measuring seat;

[0046] Omit step 2;

[0047] Step 3. Set the reference gauge block on the connecting rod;

[0048] Step 4. Since the upper and lower limit error is 1mm, and the difference from the reference gauge block is 0.4mm, a second standard plug piece with a thickness of 0.4mm is added to the connecting rod;

[0049] Step 5, install the upper limit block on the connecting rod;

[0050] Step 6. Perform detection; visually check whether the height of the pointer is figure 1 The shown detection qualified area 222 is within the error range; judge whether it is qualified or not;

Embodiment 3

[0052] The height of the pointer to be measured is 8±0.5, and the following steps are performed for detection:

[0053] Step 1. The base and the connecting rod are assembled together to form a reference measuring seat;

[0054] Step 2. Since the minimum installation height is 7.5mm and the difference from the base is 1mm, add the first standard plug piece with a thickness of 1mm to the connecting rod;

[0055] Step 3. Set the reference gauge block on the connecting rod;

[0056] Step 4. Since the upper and lower limit error is 1mm, and the difference from the reference gauge block is 0.4mm, a second standard plug piece with a thickness of 0.4mm is added to the connecting rod;

[0057] Step 5, install the upper limit block on the connecting rod;

[0058] Step 6. Perform detection; visually check whether the height of the pointer is figure 1 The shown detection qualified area 222 is within the error range; judge whether it is qualified or not.

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Abstract

The invention relates to a detector for judging the mounting height of a pointer and a detection method thereof. The detector comprises a base, a connecting rod positioned in a hole on the base, a reference measuring block sleeved on the connecting rod, a limiting block sleeved on the connecting rod, and a plurality of first standard patches and second standard patches, which are sleeved on the connecting rod. The detector is used for detecting whether the mounting height of the pointer satisfies a requirement or not. The detector for judging the mounting height of the pointer and the detection method thereof have the advantages of simple structure, small size, convenient operation, universality and easy judgment.

Description

technical field [0001] The invention relates to a special inspection tool and inspection method, in particular to a inspection tool and inspection method for judging the installation height of various instrument pointers. Background technique [0002] Existing pointer installation height measuring gauge all adopts dial indicator to measure, and it is that dial indicator is fixed on the support that does in advance, and three supporting points are arranged under the support. When measuring, put the probe head as close as possible to the root of the pointer, then reset the dial gauge, move the dial gauge, place the probe head at the highest point of the pointer cap, read the value, and judge whether the installation height of the pointer is within the engineering requirements. within range. [0003] Due to the displacement of the benchmark during the test, and the deformation caused by the weight of the dial indicator and the bracket on the dial, and many instrument dials are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/02
Inventor 倪俭王新明刘翠绒
Owner SHANGHAI DELCO ELECTRONICS & INSTR
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