CN113624154A - Rail vehicle automobile body assembly measurement system - Google Patents
Rail vehicle automobile body assembly measurement system Download PDFInfo
- Publication number
- CN113624154A CN113624154A CN202110904729.1A CN202110904729A CN113624154A CN 113624154 A CN113624154 A CN 113624154A CN 202110904729 A CN202110904729 A CN 202110904729A CN 113624154 A CN113624154 A CN 113624154A
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- CN
- China
- Prior art keywords
- measuring
- deflection
- vehicle body
- weight
- rail vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a rail vehicle body assembly measuring system which comprises a plurality of weight measuring devices, a plurality of deflection measuring devices and an electric control cabinet, wherein the weight measuring devices are used for measuring the weight of a vehicle body and transmitting measured data to the electric control cabinet, and the deflection measuring devices are used for realizing the deflection measurement of the vehicle body and transmitting the measured data to the electric control cabinet. The invention provides a measuring system with good universality, high efficiency and strong reliability for measuring the vehicle body assembly.
Description
Technical Field
The invention relates to the technical field of rail vehicle body measurement, in particular to a rail vehicle body assembly measuring system.
Background
After the welding of the car body of the rail car is finished, key size top points of the car body need to be detected, such as the deflection, the flatness of the air spring surface, the weight and the like of the car body are measured and detected. At present, the deflection measurement of the car body is carried out by adopting a manual mode and utilizing measuring tools such as a laser range finder, a feeler gauge and the like, and has the defects of low measurement precision, large artificial error, time and labor waste and the like; the detection of the weight of the vehicle body needs to hoist the vehicle body for measurement, and has the defects of poor measurement precision, low efficiency, higher safety risk and the like.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a rail vehicle body assembly measuring system which is used for improving the precision and the efficiency of rail vehicle body assembly measurement.
In order to solve the technical problem, the invention provides a rail vehicle body assembly measuring system, which comprises:
the deflection measuring device comprises a plurality of weight measuring devices, a plurality of deflection measuring devices and an electric control cabinet, wherein the weight measuring devices are used for measuring the weight of a vehicle body and transmitting measured data to the electric control cabinet, and the deflection measuring devices are used for realizing vehicle body deflection measurement and transmitting the measured data to the electric control cabinet.
Optionally, the weight measuring device comprises a laser distance meter for measuring the flatness of the air spring surface of the vehicle body.
Optionally, the number of the weight measuring devices is 4, and the weight measuring devices are distributed at the lower part of the air spring surface of the vehicle body.
Optionally, a linear guide rail pair assembly is arranged at the bottom of the weight measuring device.
Optionally, the deflection measuring device comprises a laser distance meter for measuring the deflection of the vehicle body.
Optionally, the number of the deflection measuring devices is 6, and the deflection measuring devices are symmetrically distributed on the lower portion of the vehicle body.
Optionally, a cross guide rail pair assembly is arranged at the bottom of the deflection measuring device.
Compared with the prior art, the invention has the following beneficial effects: the invention provides an electric measuring system of a rail vehicle body assembly, which integrates the measurement of vehicle body deflection, air spring surface flatness and weight into a whole, and improves the measurement precision and efficiency; the bottom of the weight measuring device is provided with a linear guide rail pair assembly, the bottom of the deflection measuring device is provided with a cross guide rail pair assembly, the device is suitable for supporting and measuring the vehicle bodies of the rail vehicles with different lengths and different widths, and the measuring system is high in flexibility degree.
Drawings
Fig. 1 is a schematic structural diagram of a rail vehicle body assembly measuring system according to an embodiment of the invention.
The reference numbers used in the drawings are as follows:
a weight measuring device 10; a deflection measuring device 20; an electrical control cabinet 30; linear guide rail subassembly 40; a cross-rail subassembly 50.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention discloses a rail vehicle body assembly measuring system which comprises a weight measuring device 10, a deflection measuring device 20 and an electric control cabinet 30.
The weight measuring device 10 is used for measuring the weight of the vehicle body and the flatness of the empty spring surface and transmitting measured data to the electric control cabinet 30, the weight measuring device 10 comprises a laser range finder and a weighing sensor which are used for measuring the flatness of the empty spring surface of the vehicle body, the 4 weight measuring devices 10 are respectively arranged on the lower portion of the empty spring surface of the vehicle body, the weighing sensor is a plane which is in direct contact with the empty spring surface of the vehicle body, and the supporting surface of the weighing sensor is processed into a plane in a machining mode.
The deflection measuring device 20 is used for realizing vehicle body deflection measurement and transmitting measurement data to the electrical control cabinet 30, the deflection measuring device 20 comprises a laser range finder for measuring vehicle body deflection, and 6 deflection measuring devices 20 are symmetrically distributed on the lower part of a side beam of a vehicle body underframe.
The bottom of the weight measuring device 10 is provided with a linear guide rail subassembly 40 which can be adjusted within the range of (-150 to + 150) mm in the width (Y direction) direction of the vehicle body. The minimum division value of the weighing sensor equipment is 1 Kg; the single weighing unit bears 100kN at maximum; the weighing cell load measurement accuracy was + -0.1% F.S.
The bottom of the deflection measuring device 20 is provided with a cross guide rail subassembly 50 which can be adjusted within the ranges of length (X direction) (-3000 to + 300) mm and width (Y direction) direction (-150 to + 150) mm of the vehicle body, and the repeated precision of deflection detection is 10 mu m.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (7)
1. A rail vehicle body assembly measuring system is characterized by comprising a plurality of weight measuring devices, a plurality of deflection measuring devices and an electrical control cabinet, wherein the weight measuring devices are used for measuring the weight of a vehicle body and transmitting measured data to the electrical control cabinet, and the deflection measuring devices are used for realizing the deflection measurement of the vehicle body and transmitting the measured data to the electrical control cabinet.
2. The rail vehicle car body assembly measurement system of claim 1, wherein the weight measurement device includes a laser range finder for measuring flatness of the empty spring face of the car body.
3. The rail vehicle body assembly measuring system of claim 2, wherein the number of weight measuring devices is 4, distributed under the air spring surface of the body.
4. The rail vehicle car body assembly measuring system of claim 3, wherein the weight measuring device bottom is provided with a linear guide rail subassembly.
5. The rail vehicle car body assembly measuring system of claim 1, wherein the deflection measuring device includes a laser rangefinder for measuring car body deflection.
6. The rail vehicle body assembly measuring system of claim 5, wherein the number of the deflection measuring devices is 6, and the deflection measuring devices are symmetrically distributed on the lower portion of the body.
7. The rail vehicle car body assembly measuring system of claim 6, wherein a cross rail sub-assembly is provided at a bottom of the deflection measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904729.1A CN113624154A (en) | 2021-08-07 | 2021-08-07 | Rail vehicle automobile body assembly measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110904729.1A CN113624154A (en) | 2021-08-07 | 2021-08-07 | Rail vehicle automobile body assembly measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113624154A true CN113624154A (en) | 2021-11-09 |
Family
ID=78383382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110904729.1A Pending CN113624154A (en) | 2021-08-07 | 2021-08-07 | Rail vehicle automobile body assembly measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113624154A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478447A (en) * | 2017-08-09 | 2017-12-15 | 南京中车浦镇城轨车辆有限责任公司 | Test device and method of a kind of rail traffic vehicles compartment to chassis active force |
| CN109269620A (en) * | 2018-11-14 | 2019-01-25 | 中国铁路成都局集团有限公司计量所 | A kind of device and method of container weighing calibration |
| CN208520335U (en) * | 2018-05-22 | 2019-02-19 | 广东省江门市质量计量监督检测所 | A kind of car body amount of deflection on-line dynamic measurement device of laser ranging |
| CN209142107U (en) * | 2018-09-17 | 2019-07-23 | 福州科杰电子衡器有限公司 | A kind of vehicle-mounted static Internet of Things weighing device of goods vehicle |
-
2021
- 2021-08-07 CN CN202110904729.1A patent/CN113624154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478447A (en) * | 2017-08-09 | 2017-12-15 | 南京中车浦镇城轨车辆有限责任公司 | Test device and method of a kind of rail traffic vehicles compartment to chassis active force |
| CN208520335U (en) * | 2018-05-22 | 2019-02-19 | 广东省江门市质量计量监督检测所 | A kind of car body amount of deflection on-line dynamic measurement device of laser ranging |
| CN209142107U (en) * | 2018-09-17 | 2019-07-23 | 福州科杰电子衡器有限公司 | A kind of vehicle-mounted static Internet of Things weighing device of goods vehicle |
| CN109269620A (en) * | 2018-11-14 | 2019-01-25 | 中国铁路成都局集团有限公司计量所 | A kind of device and method of container weighing calibration |
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