CN113960487A - Rapid repairing method for insulation short circuit fault of track circuit - Google Patents
Rapid repairing method for insulation short circuit fault of track circuit Download PDFInfo
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- CN113960487A CN113960487A CN202111024514.7A CN202111024514A CN113960487A CN 113960487 A CN113960487 A CN 113960487A CN 202111024514 A CN202111024514 A CN 202111024514A CN 113960487 A CN113960487 A CN 113960487A
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- rail
- short circuit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a method for quickly repairing insulation short circuit fault of a track circuit, which comprises the steps of knocking a steel rail and a steel rail joint clamping plate by using an iron hammer, when the reading of a rail diagnostic device is instantly increased to the highest standard value and then falls back to a normal standard value, judging that a short circuit point is unreliable in short circuit when knocking, and the fault point is between the section of insulation slot plate; when the reading of the rail diagnostic device is instantly increased to the highest scale value, the short circuit point is judged to be a reliable short circuit, and the fault point is positioned between the insulating slot plates, so that the fault point can be quickly judged to be an insulating slot plate short circuit or an uninterrupted short circuit fault; and updating a section of the insulating slot plate at the position of the fault point, and then measuring the track current by using the rail diagnosis device. The invention aims to solve the problem of providing a method for quickly repairing the insulation short circuit fault of a track circuit, so as to solve the problems that the existing transportation track circuit is easy to be short-circuited but difficult to judge and detect, wastes human resources and affects the production efficiency.
Description
Technical Field
The invention relates to the technical field of steel transportation railway tracks, in particular to a method for quickly detecting and repairing insulation short circuit faults of a railway track circuit.
Background
The railway track for steel transportation generally comprises I-shaped steel rails, as shown in fig. 1, fishplates 2 are arranged at concave positions on two sides of each steel rail 1, a layer of insulating groove plates 3 are arranged between grooves of the steel rails 1 and the fishplates 2 to prevent the steel rails 1 and the fishplates 2 from being electrified and short-circuited, a steel rail insulating head is formed between each two sections of insulating groove plates, and a steel rail joint is formed between each two sections of steel rails and is clamped and connected through clamping plates and screws 4. In the use of a track circuit for steel transportation, due to the instability of a track bed, a locomotive extrudes a steel rail when passing through a steel rail insulating head to cause the vertical friction between an insulating groove plate and the steel rail, the insulating degree of the insulating groove plate is easy to damage inside due to extrusion to cause a short circuit or an uninterrupted short circuit between the steel rail and a fishplate, and the fault point is not easy to find outside at the moment. The universal meter for field processing measures the voltage of a section normally, the section has no abnormal condition, but the red light of the section is sometimes absent, and the fault phenomenon is difficult to judge. When the problem is solved, the back-and-forth wave processing of the personnel consumes time and wastes human resources, the processing time of faults is prolonged, and the production efficiency is influenced.
Disclosure of Invention
The invention aims to solve the problem of providing a method for quickly repairing the insulation short circuit fault of a track circuit, so as to solve the problems that the existing transportation track circuit is easy to be short-circuited but difficult to judge and detect, wastes human resources and affects the production efficiency.
In order to solve the problems, the technical scheme of the invention is as follows: the method for quickly repairing the insulation short circuit fault of the track circuit comprises the following steps:
A. the rail diagnosis device is used for measuring the rail current on the steel rail, and when the steel rail is not knocked by an iron hammer, the rail diagnosis device displays that the current is a normal scale value and is the normal rail current; when the steel rail is knocked by an iron hammer and the steel rail joint clamping plate simulates that a locomotive presses the steel rail, when the reading of a rail diagnostic device instantly rises to the highest standard value and then falls back to the normal standard value, the short circuit point is judged to be unreliable short circuit during knocking, so that the current falls back, and the fault point is positioned between the insulating slot plates; when the reading of the rail diagnostic device is instantly increased to the highest scale value, the short circuit point is judged to be reliably short-circuited, the rail current is quickly increased and then kept in a high-level state, and the fault point is positioned between the insulating slot plates, so that the fault point can be quickly judged to be the short circuit or uninterrupted short circuit fault of the insulating slot plates;
B. after the insulating slot plate of the fault point is determined, a section of the insulating slot plate of the fault point is updated, then the track current is measured by using a track diagnostic device, the track diagnostic device displays that the current is a normal scale value, and the track has no red light band, namely the fault is eliminated.
In order to solve the above problems, the technical solution of the present invention may further be: A. placing a rail diagnostic device on the steel rail to measure the rail current, wherein the rail diagnostic device displays that the current is a normal scale value and is the normal rail current; when the screws of the steel rail clamping plate are loosened and tightened back, when the reading of the rail diagnostic device is instantly raised to the highest standard value and then falls back to the normal standard value, the short circuit point is judged to be unreliable and short-circuited when the screws are loosened and tightened, so that the current falls back, and the fault point is between the section of the insulating slot plate; when the reading of the rail diagnostic device is instantly increased to the highest scale value, the short circuit point is judged to be reliably short-circuited, the rail current is quickly increased and then kept in a high-level state, and the fault point is positioned between the insulating slot plates, so that the fault point can be quickly judged to be the short circuit or uninterrupted short circuit fault of the insulating slot plates;
B. after the insulating slot plate of the fault point is determined, a section of the insulating slot plate of the fault point is updated, then the track current is measured by using a track diagnostic device, the track diagnostic device displays that the current is a normal scale value, and the track has no red light band, namely the fault is eliminated.
In the above technical solution, a more specific solution may be: the normal scale value is 0.48-0.53A, and the highest scale value is 2.5A.
Further: the normal scale value was 0.5A.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
according to the method for quickly repairing the insulation short circuit fault of the track circuit, the change condition of the current just after the locomotive presses the steel rail is simulated by knocking the steel rail surface or loosening the screw of the steel rail clamping plate by a hammer, so that the reliable short circuit and the unreliable short circuit of the track circuit and the fault point of the reliable short circuit and the fault point of the track circuit can be judged, the fault can be quickly judged and detected, the insulation slot plate with the fault section can be replaced, the fault can be quickly eliminated, and the production efficiency is not influenced.
Drawings
Fig. 1 is a schematic structural view of a rail, a fishplate and an insulated slot plate in the prior art.
Detailed Description
The embodiments of the invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1, the method for rapidly repairing the insulation short-circuit fault of the track circuit comprises the following steps:
A. the rail current is measured by placing a rail diagnostic device on the steel rail 1, and when the steel rail is not knocked by a hammer, the rail diagnostic device displays that the current is 0.48A, which is the normal rail current; when the steel rail and the steel rail joint clamping plate are knocked by an iron hammer to simulate that a locomotive presses the steel rail, when the reading of a rail diagnostic device is instantly increased to the highest standard value of 2.5A and then falls back to the normal standard value of 0.51A, the short circuit point is judged to be unreliable short circuit when knocking, so that the current falls back, and the fault point is positioned between the insulating groove plates 3; when the reading of the rail diagnostic device is instantly increased to the highest standard value of 2.5A and then is kept, the short circuit point is judged to be reliably short-circuited, the rail current is kept in a high-order state after being rapidly increased, and the fault point is positioned between the insulating slot plates 3 of the section, so that the fault point can be rapidly judged to be the short circuit or the uninterrupted short circuit fault of the insulating slot plates;
B. after the insulating slot plate where the fault point is located is determined, the section of the insulating slot plate 3 at the fault point is updated, then the track current is measured by using a track diagnostic device, the track diagnostic device displays that the current is a normal scale value, and the track has no red light band, namely the fault is eliminated.
In other implementations, the hammer is used for beating the rail surface to loosen the screw of the rail clamping plate instead of beating the rail surface to simulate the loosening condition of the rail pressed by the locomotive, and similarly, when the screw of the rail clamping plate is loosened in the future, the rail diagnostic device displays that the current is 0.53A in a normal scale value, which is the normal rail current; when the screws of the steel rail clamping plate are loosened and tightened back, when the reading of the rail diagnostic device is instantly increased to the highest standard value of 2.5A and then falls back to the normal standard value of 0.50A, the short circuit point is judged to be unreliable and short-circuited when the screws are loosened, so that the current falls back, and the fault point is positioned between the section of the insulating slot plate; when the reading of the rail diagnostic device rises to the highest standard value of 2.5A instantly, the short circuit is judged to be a reliable short circuit, the rail current is kept in a high-order state after being rapidly increased, and the fault point is positioned between the insulating slot plates, so that the fault point can be rapidly judged to be an insulating slot plate short circuit fault or an uninterrupted short circuit fault. After the insulating slot plate where the fault point is located is determined, a section of insulating slot plate at the fault point of the section of insulating slot plate is updated, then a track diagnosis device is used for measuring track current, the track diagnosis device displays that the current is a normal scale value, and the track has no red light band, namely, the fault is eliminated.
According to the method for rapidly repairing the insulation short circuit fault of the track circuit, the steel rail surface is knocked by an iron hammer, the change condition of the current just after the locomotive presses the steel rail is simulated, the reliable short circuit and the unreliable short circuit of the track circuit and the fault point of the track circuit can be judged, the fault can be rapidly judged and detected, so that the insulation slot plate with the fault section can be replaced, the fault can be rapidly eliminated, and the production efficiency is not influenced.
Claims (4)
1. A method for quickly repairing an insulation short circuit fault of a track circuit is characterized by comprising the following steps:
A. the rail diagnosis device is used for measuring the rail current on the steel rail, and when the steel rail is not knocked by an iron hammer, the rail diagnosis device displays that the current is a normal scale value and is the normal rail current; when the steel rail is knocked by an iron hammer and the steel rail joint clamping plate simulates that a locomotive presses the steel rail, when the reading of a rail diagnostic device instantly rises to the highest standard value and then falls back to the normal standard value, the short circuit point is judged to be unreliable short circuit during knocking, so that the current falls back, and the fault point is positioned between the insulating slot plates; when the reading of the rail diagnostic device is instantly increased to the highest scale value, the short circuit point is judged to be reliably short-circuited, the rail current is quickly increased and then kept in a high-level state, and the fault point is positioned between the insulating slot plates, so that the fault point can be quickly judged to be the short circuit or uninterrupted short circuit fault of the insulating slot plates;
B. after the insulating slot plate of the fault point is determined, a section of the insulating slot plate of the fault point is updated, then the track current is measured by using a track diagnostic device, the track diagnostic device displays that the current is a normal scale value, and the track has no red light band, namely the fault is eliminated.
2. A method for quickly repairing an insulation short circuit fault of a track circuit is characterized by comprising the following steps:
A. placing a rail diagnostic device on the steel rail to measure the rail current, wherein the rail diagnostic device displays that the current is a normal scale value and is the normal rail current; when the screws of the steel rail clamping plate are loosened and tightened back, when the reading of the rail diagnostic device is instantly raised to the highest standard value and then falls back to the normal standard value, the short circuit point is judged to be unreliable and short-circuited when the screws are loosened and tightened, so that the current falls back, and the fault point is between the section of the insulating slot plate; when the reading of the rail diagnostic device is instantly increased to the highest scale value, the short circuit point is judged to be reliably short-circuited, the rail current is quickly increased and then kept in a high-level state, and the fault point is positioned between the insulating slot plates, so that the fault point can be quickly judged to be the short circuit or uninterrupted short circuit fault of the insulating slot plates;
B. after the insulating slot plate of the fault point is determined, a section of the insulating slot plate of the fault point is updated, then the track current is measured by using a track diagnostic device, the track diagnostic device displays that the current is a normal scale value, and the track has no red light band, namely the fault is eliminated.
3. The method for rapidly repairing the insulation short-circuit fault of the track circuit according to claim 1 or 2, wherein: the normal scale value is 0.48-0.53A, and the highest scale value is 2.50A.
4. The method for rapidly repairing the insulation short-circuit fault of the track circuit according to claim 3, wherein:
the normal scale value was 0.5A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111024514.7A CN113960487A (en) | 2021-09-02 | 2021-09-02 | Rapid repairing method for insulation short circuit fault of track circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111024514.7A CN113960487A (en) | 2021-09-02 | 2021-09-02 | Rapid repairing method for insulation short circuit fault of track circuit |
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| Publication Number | Publication Date |
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| CN113960487A true CN113960487A (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111024514.7A Pending CN113960487A (en) | 2021-09-02 | 2021-09-02 | Rapid repairing method for insulation short circuit fault of track circuit |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206800Y (en) * | 1994-08-10 | 1995-09-06 | 张大立 | Electric circuit trouble checking instrument for rail |
| CN2573340Y (en) * | 2002-10-23 | 2003-09-17 | 佟元江 | Magnetic adsorption rail circuit testing device |
| CN205804053U (en) * | 2016-05-13 | 2016-12-14 | 莫建国 | Prevent the railway track insulating part of short circuit |
| CN106702837A (en) * | 2017-02-21 | 2017-05-24 | 上海高铁电气科技有限公司 | Rapid steel-rail repairing device and rapid steel-rail repairing method |
| CN108344932A (en) * | 2018-04-13 | 2018-07-31 | 北京全路通信信号研究设计院集团有限公司 | A kind of track circuit station interior insulation breakage online test method and device |
| CN108663612A (en) * | 2018-05-16 | 2018-10-16 | 吉林市盈冲科技有限公司 | A kind of track circuit failure automatic detection device |
| CN111830380A (en) * | 2020-08-14 | 2020-10-27 | 广州铁路科开制造有限公司 | Method for monitoring state of steel rail insulating joint on line |
| CN112526303A (en) * | 2020-12-02 | 2021-03-19 | 中铁通信信号勘测设计院有限公司 | Method, device and system for monitoring mechanical insulation joint of track circuit |
| CN112921723A (en) * | 2021-04-01 | 2021-06-08 | 丰源盛达铁道科技有限公司 | Damaged steel rail repairing method |
-
2021
- 2021-09-02 CN CN202111024514.7A patent/CN113960487A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206800Y (en) * | 1994-08-10 | 1995-09-06 | 张大立 | Electric circuit trouble checking instrument for rail |
| CN2573340Y (en) * | 2002-10-23 | 2003-09-17 | 佟元江 | Magnetic adsorption rail circuit testing device |
| CN205804053U (en) * | 2016-05-13 | 2016-12-14 | 莫建国 | Prevent the railway track insulating part of short circuit |
| CN106702837A (en) * | 2017-02-21 | 2017-05-24 | 上海高铁电气科技有限公司 | Rapid steel-rail repairing device and rapid steel-rail repairing method |
| CN108344932A (en) * | 2018-04-13 | 2018-07-31 | 北京全路通信信号研究设计院集团有限公司 | A kind of track circuit station interior insulation breakage online test method and device |
| CN108663612A (en) * | 2018-05-16 | 2018-10-16 | 吉林市盈冲科技有限公司 | A kind of track circuit failure automatic detection device |
| CN111830380A (en) * | 2020-08-14 | 2020-10-27 | 广州铁路科开制造有限公司 | Method for monitoring state of steel rail insulating joint on line |
| CN112526303A (en) * | 2020-12-02 | 2021-03-19 | 中铁通信信号勘测设计院有限公司 | Method, device and system for monitoring mechanical insulation joint of track circuit |
| CN112921723A (en) * | 2021-04-01 | 2021-06-08 | 丰源盛达铁道科技有限公司 | Damaged steel rail repairing method |
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