CN210533280U - Electrified railway insulator geometric tolerances detection device - Google Patents
Electrified railway insulator geometric tolerances detection device Download PDFInfo
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- CN210533280U CN210533280U CN201921458397.3U CN201921458397U CN210533280U CN 210533280 U CN210533280 U CN 210533280U CN 201921458397 U CN201921458397 U CN 201921458397U CN 210533280 U CN210533280 U CN 210533280U
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Abstract
The utility model provides an electrified railway insulator geometric tolerances detection device belongs to the track traffic field, is applicable to measuring the detection of geometric tolerances such as electrified railway contact net insulator straightness accuracy and upper and lower metal accessories axiality. The method is characterized in that: the system comprises a mechanical system, an image acquisition system and an identification system; the mechanical system comprises a supporting frame (1), an insulator to be detected (2), a rotary tower (4) and an insulator lifting hook (5), the image acquisition system consists of a fluorescent screen (3) and a CCD sensor (6), and the identification system consists of a data transmission line (7) and an industrial personal computer (8); a rotary tower (4) is fixed on the supporting frame (1), and the rotary tower (4) is connected with an insulator lifting hook (5); the insulator (2) to be tested is hung at the insulator lifting hook (5) and naturally hangs down, and the CCD sensor (6) is connected with the industrial personal computer (8) through the data transmission line (7). The device realizes the multi-angle measurement of the geometric tolerance of the insulator and ensures the detection precision of the geometric tolerance.
Description
Technical Field
The utility model belongs to the rail transit field is applicable to the detection of measuring geometric tolerances such as electric railway contact net insulator straightness accuracy and upper and lower metal accessories axiality.
Background
The insulator is an important part of an electrified railway contact net and is an electric insulation device. In the actual manufacturing and assembling process of the insulator, due to the influence of conditions such as blank making precision, firing conditions, assembling precision and the like, the straightness of the insulator and the coaxiality of the upper metal accessory and the lower metal accessory can deviate. The insulator is required to be subjected to form and position tolerance detection before use, the form and position tolerance measurement mainly comprises insulator porcelain axis straightness detection (called straightness for short) and upper and lower metal accessory coaxiality detection (called coaxiality for short), and the existing straightness and coaxiality detection method is to vertically mount the insulator and detect the insulator by measuring circular run-out. Due to the fact that the size and the weight of the insulator are very large, the detection method is low in working efficiency and large in potential safety hazard, meanwhile, due to the fact that manual operation is not standardized, the measurement result is inaccurate, and further unqualified products can pass quality inspection and flow into the market.
Aiming at the problem of detecting the form and position tolerance of the insulator, the patent designs the form and position tolerance detection device for the insulator of the electrified railway.
Disclosure of Invention
The utility model discloses a technique that will solve is to the geometric tolerances measurement problem of track traffic contact net insulator, has designed an electrified railway insulator geometric tolerances detection device.
The utility model discloses an adopted technical scheme is: a measuring device for form and position tolerance of an electrified railway insulator mainly comprises a mechanical system, an image acquisition system and an identification system. The mechanical system comprises a supporting frame (1), an insulator to be detected (2), a rotating tower (4) and an insulator lifting hook (5), the image acquisition system comprises a fluorescent screen (3) and a CCD sensor (6), and the identification system comprises a data transmission line (7) and an industrial personal computer (8).
The measuring device collects an insulator image through a CCD sensor (6) in an image collecting system, and an industrial personal computer in a recognition system is used for recognizing the insulator image to obtain the form and position tolerance of the insulator;
the rotary tower (4) in the mechanical system can rotate clockwise or anticlockwise under the control of the industrial personal computer (8), so that the insulator images can be collected at multiple angles, and the measuring error of form and position tolerance can be reduced conveniently.
Industrial computer (8) among the identification system can discern many images that CCD sensor (6) gathered, and insulator porcelain spare and metal accessories can accurately be distinguished in the identification process to through carrying out multi-angle multiple spot discernment to porcelain spare and metal accessories and measuring, thereby realize the insulator geometric tolerances and detect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only one embodiment of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the embodiment of the utility model provides a pair of electrified railway insulator geometric tolerances detection device's elevation view, in the picture, braced frame 1, the insulator 2 that awaits measuring, rotating tower 4, insulator lifting hook 5, fluorescent screen 3, CCD sensor 6, data transmission line 7, industrial computer 8.
Fig. 2 is a schematic view of the insulator of the electric railway provided by the embodiment of the present invention after rotating 90 °.
Fig. 3 is an insulator recognition diagram.
Fig. 4 is a schematic diagram of the process of detecting straightness and coaxiality.
Detailed Description
A schematic structure of a form and position tolerance detection device for an electrified railway insulator is shown in figures 1 and 2, and the form and position tolerance detection device for the electrified railway insulator mainly comprises a mechanical system, an image acquisition system and an identification system. The mechanical system comprises a supporting frame (1), an insulator to be detected (2), a rotating tower (4) and an insulator lifting hook (5), the image acquisition system comprises a fluorescent screen (3) and a CCD sensor (6), and the identification system comprises a data transmission line (7) and an industrial personal computer (8).
The method comprises the steps that an insulator (2) to be tested is hung at an insulator hook (4) and naturally hangs down, a CCD sensor (6) is perpendicular to the axis of the insulator to obtain a two-dimensional image of the insulator, the image is transmitted to an industrial personal computer (8) through a data transmission line (7), image recognition is carried out on each accessory in the insulator (2) respectively, metal accessories and attached ceramic parts in the insulator (2) are obtained through recognition, and a virtual axis and form and position tolerance measured value of the insulator are given.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (1)
1. The utility model provides an electrified railway insulator geometric tolerances detection device which characterized in that: the system comprises a mechanical system, an image acquisition system and an identification system; the mechanical system comprises a supporting frame (1), an insulator to be detected (2), a rotary tower (4) and an insulator lifting hook (5), the image acquisition system comprises a fluorescent screen (3) and a CCD sensor (6), and the identification system comprises a data transmission line (7) and an industrial personal computer (8);
a rotary tower (4) is fixed on the supporting frame (1), and the rotary tower (4) is connected with an insulator lifting hook (5); the insulator (2) to be tested is hung at the insulator lifting hook (5) and naturally hangs down, and the CCD sensor (6) is connected with the industrial personal computer (8) through the data transmission line (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458397.3U CN210533280U (en) | 2019-09-04 | 2019-09-04 | Electrified railway insulator geometric tolerances detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458397.3U CN210533280U (en) | 2019-09-04 | 2019-09-04 | Electrified railway insulator geometric tolerances detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210533280U true CN210533280U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921458397.3U Active CN210533280U (en) | 2019-09-04 | 2019-09-04 | Electrified railway insulator geometric tolerances detection device |
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| CN (1) | CN210533280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514118A (en) * | 2019-09-04 | 2019-11-29 | 中铁检验认证中心有限公司 | A kind of electric railway insulator geometric tolerance detection device |
-
2019
- 2019-09-04 CN CN201921458397.3U patent/CN210533280U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514118A (en) * | 2019-09-04 | 2019-11-29 | 中铁检验认证中心有限公司 | A kind of electric railway insulator geometric tolerance detection device |
| CN110514118B (en) * | 2019-09-04 | 2024-08-09 | 中铁检验认证中心有限公司 | Form and position tolerance detection device for electrified railway insulator |
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