CN113777105B - Optical fiber detection system for monitoring abrasion of carbon sliding plate of pantograph - Google Patents
Optical fiber detection system for monitoring abrasion of carbon sliding plate of pantograph Download PDFInfo
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- CN113777105B CN113777105B CN202111033129.9A CN202111033129A CN113777105B CN 113777105 B CN113777105 B CN 113777105B CN 202111033129 A CN202111033129 A CN 202111033129A CN 113777105 B CN113777105 B CN 113777105B
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- fixedly connected
- carbon
- optical fiber
- plate
- slide plate
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- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 68
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000005299 abrasion Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention relates to the technical field of abrasion detection of a carbon slide plate of a pantograph, in particular to an optical fiber detection system for monitoring abrasion of the carbon slide plate of the pantograph, which comprises the carbon slide plate and a wire positioned at the top end of the carbon slide plate, wherein one end of the carbon slide plate is fixedly connected with a detection mechanism for detecting the abrasion of the carbon slide plate in real time.
Description
Technical Field
The invention relates to the technical field of abrasion detection of a carbon slide plate of a pantograph, in particular to an optical fiber detection system for monitoring abrasion of the carbon slide plate of the pantograph.
Background
The carbon pantograph slide plate abrasion state of the electrified railway locomotive is an important detection part for ensuring safe operation of a railway, real-time online detection of abrasion values of the carbon pantograph slide plate abrasion state is of great significance for timely lifting and lowering of the pantograph and timely replacement and maintenance to ensure safe operation of the railway, the carbon pantograph slide plate is a diversion component for a train to acquire electric power from a power transmission network, good contact of the pantograph of the railway locomotive or a metro vehicle or a motor train unit with the power transmission network is a core problem for determining whether the train can acquire enough traction power and can safely and reliably operate, and therefore, the demand for an optical fiber detection system for monitoring abrasion of the carbon pantograph slide plate is growing.
Most of the current pantograph carbon slide plate abrasion detection in the market mostly adopts the traditional manual detection method, namely, the train enters a section, parks, falls in the pantograph, cuts off the power, a worker climbs on the roof, the abrasion of the pantograph is measured by a special measuring tool, whether abnormal abrasion exists or not is observed, and the like.
Disclosure of Invention
The invention aims to provide an optical fiber detection system for monitoring abrasion of a carbon sliding plate of a pantograph, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
An optical fiber detection system for monitoring abrasion of a carbon sliding plate of a pantograph comprises a carbon sliding plate and a wire positioned at the top end of the carbon sliding plate, wherein one end of the carbon sliding plate is fixedly connected with a detection mechanism for detecting the abrasion of the carbon sliding plate in real time.
Preferably, the detection mechanism comprises an insulating plate fixedly connected with the carbon sliding plate, the bottom end of the insulating plate is fixedly connected with a fixed shell, the inner side of the fixed shell is sequentially provided with a signal processor, a storage battery, a signal receiver and a signal transmitter from left to right, an optical fiber displacement sensor is fixedly connected to the central position of the top end of the insulating plate, and carbon brushes are slidably connected to the two sides of the conducting wire;
the detecting mechanism further comprises a pull-down assembly for adjusting the position between the wire and the optical fiber displacement sensor, and one end of the pull-down assembly is fixedly connected with a supporting assembly for enabling the carbon brush to be always attached to the wire.
Preferably, the storage battery supplies power to the signal processor, the signal receiver, the signal transmitter and the optical fiber displacement sensor.
Preferably, the carbon brush is arc-shaped, the horizontal center line of the carbon brush and the horizontal center line of the wire are in the same straight line, and the carbon brush forms a half package on the wire.
Preferably, the optical fiber displacement sensor is located right below the wire.
Preferably, the pull-down assembly comprises a support shell fixedly connected with the insulating plate, a first spring in a tensile state is fixedly connected to the inner side of the support shell, and a connecting column is fixedly connected to the other end of the first spring.
Preferably, the number of the connecting columns is totally two, and the connecting columns are symmetrically distributed on the left side and the right side of the vertical center line of the lead.
Preferably, the support assembly comprises a sliding block fixedly connected with the connecting column, a bearing is fixedly connected to the inner side of the sliding block, a limiting shaft is arranged on the inner side of the bearing in a sliding mode, a clamping plate is fixedly connected to the outer side of the limiting shaft, and an insulating block fixedly connected with the carbon brush is fixedly connected to one end of the clamping plate.
Preferably, a second spring in a tensioning state is arranged on the outer side of the limiting shaft, and two ends of the second spring are fixedly connected with the sliding block and the clamping plate respectively.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, through the arrangement of the signal processor, the signal receiver, the signal transmitter, the optical fiber displacement sensor, the first spring, the carbon brush, the clamping plate, the limiting shaft, the sliding block and the second spring, after the carbon sliding plate is worn, the wire and the carbon sliding plate are convenient to move relatively, and meanwhile, the optical fiber displacement sensor moves along with the carbon sliding plate, so that the optical fiber displacement sensor is used for carrying out real-time detection, manual monitoring is not needed, the detection efficiency is improved, and the labor intensity of staff is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal mounting structure of the clamping plate of the present invention;
fig. 3 is a schematic diagram of the structure of fig. 2 at a.
In the figure: 1-carbon slide plate, 2-wire, 3-backup pad, 4-insulation board, 5-fixed shell, 6-signal processor, 7-battery, 8-signal receiver, 9-signal transmitter, 10-optic fibre displacement sensor, 11-support shell, 12-first spring, 13-spliced pole, 14-carbon brush, 15-clamping plate, 16-spacing axle, 17-slider, 18-bearing, 19-second spring, 20-insulation piece.
Detailed Description
Referring to fig. 1-3, the present invention provides a technical solution:
An optical fiber detection system for monitoring abrasion of a carbon sliding plate of a pantograph comprises a carbon sliding plate 1 and a lead 2 positioned at the top end of the carbon sliding plate 1, wherein one end of the carbon sliding plate 1 is fixedly connected with a detection mechanism for detecting the abrasion of the carbon sliding plate 1 in real time.
Further, the detection mechanism comprises an insulating plate 4 fixedly connected with the carbon slide plate 1, the bottom end of the insulating plate 4 is fixedly connected with a fixed shell 5, the inner side of the fixed shell 5 is sequentially provided with a signal processor 6, a storage battery 7, a signal receiver 8 and a signal transmitter 9 from left to right, an optical fiber displacement sensor 10 is fixedly connected to the central position of the top end of the insulating plate 4, and carbon brushes 14 are slidably connected to the two sides of the lead 2;
The detection mechanism further comprises a pull-down assembly for adjusting the position between the wire 2 and the optical fiber displacement sensor 10, and one end of the pull-down assembly is fixedly connected with a support assembly for enabling the carbon brush 14 to be always attached to the wire 2.
Further, the storage battery 7 supplies power to the signal processor 6, the signal receiver 8, the signal transmitter 9 and the optical fiber displacement sensor 10, so that the stability of the signal processor 6, the signal receiver 8, the signal transmitter 9 and the optical fiber displacement sensor 10 during operation is ensured.
Further, the carbon brush 14 is arc-shaped, the horizontal center line of the carbon brush 14 is in the same straight line with the horizontal center line of the wire 2, and the carbon brush 14 forms a half-package on the wire 2, so that the wire 2 can move downwards through the carbon brush 14.
Further, the optical fiber displacement sensor 10 is located right below the wire 2, so as to ensure the accuracy of measurement.
Further, the pull-down assembly comprises a supporting shell 11 fixedly connected with the insulating plate 4, a first spring 12 in a stretched state is fixedly connected to the inner side of the supporting shell 11, a connecting column 13 is fixedly connected to the other end of the first spring 12, the lead 2 is in a pull-down state under the action of the supporting shell 11, the first spring 12 and the connecting column 13, and the carbon sliding plate 1 is guaranteed to move downwards in time after being worn.
Furthermore, the number of the connecting columns 13 is two in total, and the connecting columns are symmetrically distributed on the left side and the right side of the vertical center line of the wire 2, so that the stability during operation is improved.
Further, the support assembly comprises a sliding block 17 fixedly connected with the connecting column 13, a bearing 18 is fixedly connected to the inner side of the sliding block 17, a limiting shaft 16 is slidably arranged on the inner side of the bearing 18, a clamping plate 15 is fixedly connected to the outer side of the limiting shaft 16, an insulating block 20 fixedly connected with the carbon brush 14 is fixedly connected to one end of the clamping plate 15, the insulating block 20 is conveniently moved through the clamping plate 15, and meanwhile, the clamping plate 15 can be guaranteed not to be electrified through the insulating block 20.
Further, a second spring 19 in a tensioning state is arranged on the outer side of the limiting shaft 16, two ends of the second spring 19 are fixedly connected with the sliding block 17 and the clamping plate 15 respectively, and when the carbon brush 14 is damaged, the carbon brush 14 can be tightly attached to the lead 2 under the action of the second spring 19.
The working flow is as follows: according to the invention, the optical fiber displacement sensor 10 moves relatively with the wire 2 along with the carbon slide plate 1, simultaneously the carbon brush 14 is tightly attached together in real time under the action of the second spring 19, the sliding block 17, the limiting shaft 16, the clamping plate 15 and the insulating block 20, when the carbon slide plate 1 is worn, the wire 2 moves relatively with the carbon slide plate 1, simultaneously the wire 2 is in a pull-down state under the action of the supporting shell 11, the first spring 12 and the connecting column 13, the wire 1 is ensured to move downwards in time after being worn, simultaneously the optical fiber displacement sensor 10 tests the relative displacement between the wire 2 and the carbon slide plate 1 in real time, then the test result is transmitted to the signal receiver 8, then the signal receiver 8 transmits the signal to the signal processor 6, the signal processor 6 transmits the processed signal to an external computer terminal through the signal transmitter 9, and then staff monitors the situation of the carbon slide plate 1 in real time through the external computer terminal.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (1)
1. An optical fiber detection system for monitoring abrasion of a pantograph carbon slide plate comprises a carbon slide plate (1) and a lead (2) positioned at the top end of the carbon slide plate (1), and is characterized in that: one end of the carbon slide plate (1) is fixedly connected with a detection mechanism for detecting abrasion of the carbon slide plate (1) in real time;
The detection mechanism comprises an insulating plate (4) fixedly connected with a carbon sliding plate (1), a fixed shell (5) is fixedly connected to the bottom end of the insulating plate (4), a signal processor (6), a storage battery (7), a signal receiver (8) and a signal transmitter (9) are sequentially arranged on the inner side of the fixed shell (5) from left to right, an optical fiber displacement sensor (10) is fixedly connected to the central position of the top end of the insulating plate (4), and carbon brushes (14) are slidably connected to the two sides of a conducting wire (2);
The detecting mechanism further comprises a pull-down assembly for adjusting the position between the wire (2) and the optical fiber displacement sensor (10), and one end of the pull-down assembly is fixedly connected with a supporting assembly for enabling the carbon brush (14) to be always attached to the wire (2);
The storage battery (7) supplies power to the signal processor (6), the signal receiver (8), the signal transmitter (9) and the optical fiber displacement sensor (10);
The carbon brush (14) is arranged in an arc shape, the horizontal center line of the carbon brush (14) and the horizontal center line of the lead (2) are in the same straight line, and the carbon brush (14) forms a half package on the lead (2);
the optical fiber displacement sensor (10) is positioned right below the lead (2);
The pull-down assembly comprises a support shell (11) fixedly connected with the insulating plate (4), a first spring (12) in a tensile state is fixedly connected to the inner side of the support shell (11), and a connecting column (13) is fixedly connected to the other end of the first spring (12);
the number of the connecting columns (13) is totally two, and the connecting columns are symmetrically distributed on the left side and the right side of the vertical center line of the lead (2);
The support assembly comprises a sliding block (17) fixedly connected with a connecting column (13), a bearing (18) is fixedly connected to the inner side of the sliding block (17), a limiting shaft (16) is slidably arranged on the inner side of the bearing (18), a clamping plate (15) is fixedly connected to the outer side of the limiting shaft (16), and an insulating block (20) fixedly connected with a carbon brush (14) is fixedly connected to one end of the clamping plate (15);
the outside of spacing axle (16) is provided with second spring (19) that are the tensioning state, and the both ends of second spring (19) are connected with slider (17) and clamping plate (15) fixed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033129.9A CN113777105B (en) | 2021-09-03 | 2021-09-03 | Optical fiber detection system for monitoring abrasion of carbon sliding plate of pantograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033129.9A CN113777105B (en) | 2021-09-03 | 2021-09-03 | Optical fiber detection system for monitoring abrasion of carbon sliding plate of pantograph |
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| CN113777105A CN113777105A (en) | 2021-12-10 |
| CN113777105B true CN113777105B (en) | 2024-06-11 |
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