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A method for calibrating a cross-shaped caliper for bogie frame inspection

A calibration method, cross-shaped technology, applied in the direction of measuring gauges, measuring devices, mechanical measuring devices, etc., can solve the problems of no calibration standards and methods, no calibration devices, and the inability to carry out calibration work, etc., to achieve simple structure and convenient use , the effect of meeting the calibration requirements

Active Publication Date: 2022-06-17
CRRC LUOYANG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the bogie frame inspection cross-shaped caliper is a special measuring tool, there is no special calibration device, and there is no current calibration specification and calibration method in the industry, so the corresponding calibration work cannot be carried out.

Method used

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  • A method for calibrating a cross-shaped caliper for bogie frame inspection
  • A method for calibrating a cross-shaped caliper for bogie frame inspection
  • A method for calibrating a cross-shaped caliper for bogie frame inspection

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Embodiment Construction

[0028] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] A cross-shaped caliper calibration method for bogie frame detection is as follows:

[0030] Step 1. Determine the calibration conditions: the measuring tool should be calibrated indoors at a temperature of 20±5℃, and the time for the measured measuring tool and the main calibration tool to balance the temperature on the indoor plate 7 is not less than 2h;

[0031] Step 2. Check whether the main calibration standard device meets the requirements. The main calibration standard devices include: Grade 2 feeler gauge, tool microscope or reading microscope, roughness comparison sample block, Grade 1 knife edge ruler, Grade 1 flat plate, Grade 1 right angle, Class 2 square box and inner micrometer; see Table 1 for calibration items and main calibration standards:

[0032] Table 1 Calibration items and main calibration standard table...

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Abstract

The invention discloses a method for calibrating a cross-shaped caliper for bogie frame detection, comprising the following steps: determining calibration conditions, checking whether the main calibration standard meets the requirements, calibration items and calibration methods, calibration result expression, recalibration time interval, After the calibration is completed, fill in the calibration record of the special cross-shaped caliper for frame detection in time; the structure design of the calibration device of the present invention is scientific and reasonable, simple in structure, and convenient to use. The calibration work of the calipers standardizes the calibration behavior and can be traced and transferred in the industry. It meets the calibration requirements of the cross-shaped calipers for bogie frame inspection, and improves the measurement accuracy and accuracy of the marking and maintenance of the locomotive bogie frame. Reliability guarantees the product quality and performance of the bogie frame.

Description

technical field [0001] The invention belongs to the technical field of locomotive bogie frame maintenance, in particular to a cross-shaped caliper calibration method for bogie frame detection. Background technique [0002] The locomotive bogie is one of the main components of the locomotive. It is used to transmit various loads, and uses the adhesion between the wheel and rail to ensure the generation of traction braking force, realize the conversion of motion, reduce the impact of power, and smoothly pass the curve. The quality of the bogie directly affects the traction capacity, running quality, wheel and rail wear and train safety of the locomotive. The frame is the foundation of the bogie, and the components of the bogie are formed into a whole. It not only bears and transmits various loads and forces, but also its structure, shape and size should meet the requirements of the assembly of each component. The cross-shaped caliper for bogie frame inspection is a special sp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B3/20G01B5/00G01B5/14G01B5/02G01B5/28G01B5/245G01B5/12G01N21/88
CPCG01B3/20G01B5/00G01B5/14G01B5/02G01B5/28G01B5/245G01B5/12G01N21/88
Inventor 韩雪峰袁善民
Owner CRRC LUOYANG CO LTD
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