CN107727694B - Pantograph carbon slide plate assembly and abrasion detection method thereof - Google Patents
Pantograph carbon slide plate assembly and abrasion detection method thereof Download PDFInfo
- Publication number
- CN107727694B CN107727694B CN201711033920.3A CN201711033920A CN107727694B CN 107727694 B CN107727694 B CN 107727694B CN 201711033920 A CN201711033920 A CN 201711033920A CN 107727694 B CN107727694 B CN 107727694B
- Authority
- CN
- China
- Prior art keywords
- pantograph
- voltage
- carbon slide
- slide plate
- detection device
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
- B60L5/205—Details of contact bow with carbon contact members
Abstract
The invention discloses a pantograph carbon slide plate assembly, which comprises a pantograph and a bracket for supporting the pantograph, wherein a detection groove is formed in the back surface of the contact end of the pantograph and a cable; a variable resistance block is arranged in the detection groove, an insulating plate is fixed on the bottom surface of the variable resistance block, and the insulating plate is made of insulating materials; the insulation board is fixedly connected with the top of the jacking shaft, and the bottom of the jacking shaft penetrates through a guide groove arranged on the bracket and a fixed plate arranged in the protective shell and is fixedly connected with the top of the guide column; the fixed plate is arranged in the inner cavity of the protective shell; the guide post is sleeved with a spring, the bottom of the guide post is assembled with the inner cylinder of the jacking head, and the outer wall of the jacking head is assembled with the protective shell through screw threads in a screwing way; the jacking shaft and the fixing plate can be assembled in a sliding mode, and the resistance of the resistance changing block is larger than that of the pantograph. The invention has simple structure and convenient use, can accurately judge whether the pantograph carbon slide plate needs to be replaced, has lower manufacturing cost and is suitable for large-area popularization.
Description
Technical Field
The invention relates to the technical field of pantographs, in particular to a carbon pantograph slide plate assembly and a wear detection method thereof.
Background
The pantograph is an electrical device that an electric traction locomotive obtains electric energy from a catenary, and is mounted on the top of a locomotive or a motor car. When the electric traction locomotive is used, current with the power grid voltage of 25000V below about 400A (different according to different types of vehicles) is transmitted to the electric traction locomotive by closely contacting and sliding at high speed through a pantograph carbon slide plate arranged on the locomotive and a feedback circuit copper wire (or an aluminum wire) of the power grid, and the carbon slide plate on the pantograph is easy to wear due to long-term close contact and high-speed sliding. The carbon sliding plate must be replaced after being worn beyond a certain degree, and a great potential safety hazard exists.
At present, although equipment for monitoring the abrasion condition of the pantograph in real time exists, the equipment is relatively expensive, and the pantograph only needs to be replaced when the pantograph is abraded to a certain degree, so that the abrasion degree of the pantograph does not need to be detected in real time.
Therefore, the applicant considers that it is necessary to design a structure capable of detecting the cost of the carbon slide plate set of the pantograph, which needs to be replaced, and the structure is simple and the cost is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a carbon pantograph slider assembly, which has a simple structure and low cost, and can detect whether the carbon pantograph slider needs to be replaced.
The invention also discloses a wear detection method based on the pantograph carbon slide plate assembly.
In order to achieve the above purpose, the invention provides a pantograph carbon slide plate assembly, which comprises a pantograph and a bracket for supporting the pantograph, wherein a detection groove is formed on the back surface of the contact end of the pantograph and a cable;
a resistance changing block is arranged in the detection groove, an insulating plate is fixed on the bottom surface of the resistance changing block, and the insulating plate is made of insulating materials;
the insulation board is fixedly connected with the top of the jacking shaft, and the bottom of the jacking shaft penetrates through a guide groove arranged on the bracket and a fixed plate arranged in the protective shell and is fixedly connected with the top of the guide post; the fixed plate is arranged in the inner cavity of the protective shell;
the guide post is sleeved with a spring, the bottom of the guide post is assembled with the inner cylinder of the jacking head, and the outer wall of the jacking head is assembled with the protective shell through screw threads in a screwing way;
the jacking shaft and the fixing plate can be assembled in a sliding mode, and the resistance of the resistance changing block is larger than that of the pantograph.
As a further improvement of the invention, the distance between the top surface of the detection groove and the top surface of the pantograph is the distance that the pantograph can wear normally.
As a further improvement of the invention, the protective shell is fixed with the bracket in a sealing way.
As a further improvement of the invention, the lead after the pantograph is powered is connected with the power-in end of the voltage detection device, the power-out end of the voltage detection device is connected with the power-in end of the voltage stabilizing device, the power-out end of the voltage stabilizing device is connected with the power-in end of the electric equipment, and the signal output end of the voltage detection device is connected with the central control host.
As a further improvement of the invention, the two side walls of the detection groove can be arranged to be gradually opened and inclined from top to bottom, and the assembly surface of the resistance changing block and the side wall is also arranged to be an inclined surface matched with the side wall.
As a further improvement of the invention, the corresponding surface of the insulating plate and the inclined surface is also provided with a guiding inclined surface which is consistent with the inclination of the inclined surface.
As a further improvement of the invention, the voltage detection device is a voltage tester, and the voltage stabilizing device is a voltage stabilizer.
As a further improvement of the invention, the insulating plate is made of insulating ceramic material and has its outer surface coated with smooth enamel.
As a further improvement of the invention, the central control host is a singlechip.
A method of wear detection of a pantograph carbon slide plate assembly, comprising the steps of:
s1, normally installing a pantograph carbon slide plate assembly, connecting a circuit of a pantograph after power taking with an electric inlet end of a voltage detection device, connecting an electric outlet end of the voltage detection device with an electric inlet end of a voltage stabilizing device, connecting the electric outlet end of the voltage stabilizing device with the electric inlet end of electric equipment, and connecting a signal output end of the voltage detection device with a central control host;
s2, when the contact electricity taking part of the pantograph and the cable is worn out, the cable contacts the resistance changing block to take electricity, and the resistance of the resistance changing block is larger than that of the pantograph, so that the voltage detection device can obviously detect voltage or current fluctuation, and the central control host reads the real-time voltage value at the moment; in the process, the voltage regulating device always keeps stable voltage for the electric equipment;
s3, the central control host computer calls the comparison of the pre-stored replacement voltage value and the real-time voltage value when the resistance changing block conducts electricity, if the real-time voltage value is within the range of the replacement voltage value, the central control host computer sends information of the pantograph needing to be replaced to other devices, and the other devices give an alarm to an operator.
The beneficial effects of the invention are as follows: the invention has simple structure and convenient use, can accurately judge whether the pantograph carbon slide plate needs to be replaced, has lower manufacturing cost and is suitable for large-area popularization.
The invention also has fault-tolerant protection function, and the resistance changing block continues to supply power after the pantograph reaches the replacement standard, so that the power consumption is not interrupted, and the wear resistance of the resistance changing block can be improved, thereby being overhauled. The replacement provides a longer reaction time.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a pantograph carbon slide plate assembly of the present invention.
Fig. 2 is a cross-sectional view of the pantograph A-A of fig. 1.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a carbon pantograph slider assembly includes a pantograph 100 and a bracket 400 for supporting the pantograph, wherein a detection groove 101 is arranged on a back surface of a contact end of the pantograph 100 and a cable 800, and a distance between a top surface of the detection groove and a top surface of the pantograph is a distance capable of being worn normally;
a resistance variable block 200 is arranged in the detection groove 101, an insulating plate 300 is fixed on the bottom surface of the resistance variable block 200, and the insulating plate 300 is made of insulating materials;
the insulating plate 300 is fixedly connected with the top of the tightening shaft 510, and the bottom of the tightening shaft 510 passes through the guide groove 410 arranged on the bracket 400 and the fixing plate 610 arranged in the protective shell 600 and is fixedly connected with the top of the guide post 520; the fixing plate 610 is disposed in the inner cavity 601 of the protective case 600, and the protective case 610 is sealed and fixed with the bracket 400;
the guide post 520 is sleeved with a spring 700, the bottom of the guide post 520 is assembled with the inner cylinder 531 of the jacking head 530, and the outer wall of the jacking head 530 is assembled with the protective shell 600 through screw threads;
when in use, the resistance block 200 can be tightly matched with the detection groove 101 by screwing the tightening head 530 to the resistance block 200;
the supporting shaft 510 and the fixing plate 610 are slidably assembled, that is, the supporting shaft 510 can move up and down in the axial direction;
the resistance of the resistance variable block 200 is larger than the resistance of the pantograph; thus, when the cable 800 wears the pantograph to be in contact with the resistance changing block for conduction, the system can detect the change of resistance or current and voltage to infer that the pantograph is replaced in sequence;
the pantograph is preferably connected with the power-in end of the voltage detection device after power is taken, the power-out end of the voltage detection device is connected with the power-in end of the voltage stabilization device, the power-out end of the voltage stabilization device is connected with the power-in end of the electric equipment, and the signal output end of the voltage detection device is connected with the central control host to timely feed back voltage change to the central control host, so that the central control host (which can be a singlechip) can timely find that the pantograph needs to be replaced.
Referring to fig. 2, further, the two side walls 102 of the detection groove 101 may be configured to be gradually opened and inclined from top to bottom, and the assembling surface of the resistance block 200 and the side wall 102 is also configured as a bevel 201 matched with the side wall 102. The structure can enable the resistance variable block 200 to be better assembled with the pantograph to take power, and avoid insufficient power taking or power taking failure caused by loosening.
The surface of the insulating plate 300 corresponding to the inclined surface 201 is also provided with a guiding inclined surface 301 which is in accordance with the inclination of the inclined surface 201. This structure is favorable to better with the top tightly in the detection groove of varistors.
The abrasion detection method based on the pantograph carbon slide plate assembly comprises the following steps of:
s1, normally installing a pantograph carbon slide plate assembly, connecting a circuit of a pantograph after power taking with an electric inlet end of a voltage detection device, connecting an electric outlet end of the voltage detection device with an electric inlet end of a voltage stabilizing device, connecting the electric outlet end of the voltage stabilizing device with the electric inlet end of electric equipment, and connecting a signal output end of the voltage detection device with a central control host;
s2, when the contact electricity taking part of the pantograph and the cable is worn out, the cable contacts the resistance changing block to take electricity, and the resistance of the resistance changing block is larger than that of the pantograph, so that the voltage detection device can obviously detect voltage or current fluctuation, and the central control host reads the real-time voltage value at the moment; in the process, the voltage regulating device always keeps stable voltage for the electric equipment;
s3, the central control host computer calls the comparison of the pre-stored replacement voltage value and the real-time voltage value when the resistance changing block conducts electricity, if the real-time voltage value is within the range of the replacement voltage value, the central control host computer sends information of the pantograph needing to be replaced to other devices, and the other devices give an alarm to an operator.
The voltage detection device can adopt a voltage tester, and the voltage stabilizing device can adopt a voltage stabilizer; the other devices can be a display, an alarm lamp, a loudspeaker and the like, so long as the device can identify the warning signal sent by the central control host and remind an operator.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (7)
1. The utility model provides a pantograph carbon slide subassembly, includes, the pantograph, is used for supporting the support of pantograph, characterized by: a detection groove is formed in the reverse side of the contact end of the pantograph and the cable;
a resistance changing block is arranged in the detection groove, an insulating plate is fixed on the bottom surface of the resistance changing block, and the insulating plate is made of insulating materials;
the insulation board is fixedly connected with the top of the jacking shaft, and the bottom of the jacking shaft penetrates through a guide groove arranged on the bracket and a fixed plate arranged in the protective shell and is fixedly connected with the top of the guide post; the fixed plate is arranged in the inner cavity of the protective shell;
the guide post is sleeved with a spring, the bottom of the guide post is assembled with the inner cylinder of the jacking head, and the outer wall of the jacking head is assembled with the protective shell through screw threads in a screwing way;
the jacking shaft and the fixed plate can be assembled in a sliding way, and the resistance of the resistance changing block is larger than that of the pantograph;
the distance between the top surface of the detection groove and the top surface of the pantograph is the distance that the pantograph can wear normally;
the lead after the pantograph is powered is connected with the power-in end of the voltage detection device, the power-out end of the voltage detection device is connected with the power-in end of the voltage stabilizing device, the power-out end of the voltage stabilizing device is connected with the power-in end of the electric equipment, and the signal output end of the voltage detection device is connected with the central control host;
the voltage detection device is a voltage tester, and the voltage stabilizing device is a voltage stabilizer.
2. The pantograph carbon slide plate assembly of claim 1, wherein: the protective housing is fixed with the support in a sealing way.
3. The pantograph carbon slide plate assembly of claim 1, wherein: the two side walls of the detection groove are arranged to be gradually opened and inclined from top to bottom, and the assembly surface of the resistance changing block and the side wall is also arranged to be an inclined surface matched with the side wall.
4. A pantograph carbon slide plate assembly as set forth in claim 3 wherein: the corresponding surface of the insulating plate and the inclined surface is also provided with a guiding inclined surface with the same inclination as the inclined surface.
5. The pantograph carbon slide plate assembly of claim 1, wherein: the insulating plate is made of insulating ceramic material, and the outer surface of the insulating plate is coated with smooth enamel.
6. The pantograph carbon slide plate assembly of claim 1, wherein: the central control host is a singlechip.
7. A method of wear detection of a pantograph carbon slide plate assembly as set forth in claim 1, wherein: the method comprises the following steps:
s1, normally installing a pantograph carbon slide plate assembly, connecting a circuit of a pantograph after power taking with an electric inlet end of a voltage detection device, connecting an electric outlet end of the voltage detection device with an electric inlet end of a voltage stabilizing device, connecting the electric outlet end of the voltage stabilizing device with the electric inlet end of electric equipment, and connecting a signal output end of the voltage detection device with a central control host;
s2, when the contact electricity taking part of the pantograph and the cable is worn out, the cable contacts the resistance changing block to take electricity, and the resistance of the resistance changing block is larger than that of the pantograph, so that the voltage detection device can obviously detect voltage or current fluctuation, and the central control host reads the real-time voltage value at the moment; in the process, the voltage regulating device always keeps stable voltage for the electric equipment;
s3, the central control host computer calls the comparison of the pre-stored replacement voltage value and the real-time voltage value when the resistance changing block conducts electricity, if the real-time voltage value is within the range of the replacement voltage value, the central control host computer sends information of the pantograph needing to be replaced to other devices, and the other devices give an alarm to an operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033920.3A CN107727694B (en) | 2017-10-30 | 2017-10-30 | Pantograph carbon slide plate assembly and abrasion detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033920.3A CN107727694B (en) | 2017-10-30 | 2017-10-30 | Pantograph carbon slide plate assembly and abrasion detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107727694A CN107727694A (en) | 2018-02-23 |
| CN107727694B true CN107727694B (en) | 2023-10-13 |
Family
ID=61203261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711033920.3A Active CN107727694B (en) | 2017-10-30 | 2017-10-30 | Pantograph carbon slide plate assembly and abrasion detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727694B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494609B (en) * | 2018-04-19 | 2020-06-19 | 国网浙江省电力有限公司金华供电公司 | Transmission line damage and foreign matter adhesion detection system |
| CN108469221B (en) * | 2018-05-29 | 2023-06-02 | 南京铁道职业技术学院 | High-speed railway pantograph carbon slide plate surface damage displacement-charge converter |
| CN108759654B (en) * | 2018-06-27 | 2023-05-30 | 南京铁道职业技术学院 | Transducer for measuring low-recess gap on surface of single-probe pantograph carbon slide plate |
| CN108680306B (en) * | 2018-06-28 | 2020-01-31 | 大同新成新材料股份有限公司 | carbon slide plate airtightness detection device and use method thereof |
| CN109773715B (en) * | 2019-01-25 | 2020-11-06 | 重庆懿虹科技发展有限责任公司 | Installation and replacement device for carbon slide plate of pantograph |
| CN109733200B (en) * | 2019-01-25 | 2021-03-23 | 重庆懿虹科技发展有限责任公司 | Installation and replacement method for pantograph carbon slide plate |
| CN113777105A (en) * | 2021-09-03 | 2021-12-10 | 河北地质大学 | Optical fiber detection system for monitoring abrasion of carbon slide plate of pantograph |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101622151A (en) * | 2007-02-20 | 2010-01-06 | 阿尔斯通运输股份有限公司 | Electric equipment arranged on the roof of an electric traction railway vehicle |
| CN101813750A (en) * | 2009-02-24 | 2010-08-25 | 施耐德电器工业公司 | Device and method for detecting wear and aging of contactor |
| CN101902026A (en) * | 2010-06-30 | 2010-12-01 | 重庆长安汽车股份有限公司 | Regulating method and regulating device of weakly mixed cranking motor brush |
| CN102365663A (en) * | 2009-02-27 | 2012-02-29 | 布赖恩投资有限公司 | Wear sensor |
| CN102774373A (en) * | 2012-07-19 | 2012-11-14 | 安徽工业大学 | System and method for detecting thickness of automobile brake pad in real time |
| CN205607320U (en) * | 2016-05-18 | 2016-09-28 | 大同新成新材料股份有限公司 | A device that is used for loss of real -time supervision pantograph carbon slide |
| CN205601627U (en) * | 2016-05-18 | 2016-09-28 | 大同新成新材料股份有限公司 | Pantograph carbon is loss degree real -time supervision device for slide |
| GB201701425D0 (en) * | 2017-01-29 | 2017-03-15 | Puchianu Silviu | Inductive system for determination of overhead electrical contact wires wear and end-of-life |
| CN106873040A (en) * | 2017-03-15 | 2017-06-20 | 山东大学 | The airborne resistivity forward probe Real-time Collection electrode system of rock tunnel(ling) machine and method |
| CN207408326U (en) * | 2017-10-30 | 2018-05-25 | 大同新成新材料股份有限公司 | A kind of pantograph carbon slide component |
-
2017
- 2017-10-30 CN CN201711033920.3A patent/CN107727694B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101622151A (en) * | 2007-02-20 | 2010-01-06 | 阿尔斯通运输股份有限公司 | Electric equipment arranged on the roof of an electric traction railway vehicle |
| CN101813750A (en) * | 2009-02-24 | 2010-08-25 | 施耐德电器工业公司 | Device and method for detecting wear and aging of contactor |
| CN102365663A (en) * | 2009-02-27 | 2012-02-29 | 布赖恩投资有限公司 | Wear sensor |
| CN101902026A (en) * | 2010-06-30 | 2010-12-01 | 重庆长安汽车股份有限公司 | Regulating method and regulating device of weakly mixed cranking motor brush |
| CN102774373A (en) * | 2012-07-19 | 2012-11-14 | 安徽工业大学 | System and method for detecting thickness of automobile brake pad in real time |
| CN205607320U (en) * | 2016-05-18 | 2016-09-28 | 大同新成新材料股份有限公司 | A device that is used for loss of real -time supervision pantograph carbon slide |
| CN205601627U (en) * | 2016-05-18 | 2016-09-28 | 大同新成新材料股份有限公司 | Pantograph carbon is loss degree real -time supervision device for slide |
| GB201701425D0 (en) * | 2017-01-29 | 2017-03-15 | Puchianu Silviu | Inductive system for determination of overhead electrical contact wires wear and end-of-life |
| CN106873040A (en) * | 2017-03-15 | 2017-06-20 | 山东大学 | The airborne resistivity forward probe Real-time Collection electrode system of rock tunnel(ling) machine and method |
| CN207408326U (en) * | 2017-10-30 | 2018-05-25 | 大同新成新材料股份有限公司 | A kind of pantograph carbon slide component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107727694A (en) | 2018-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107727694B (en) | Pantograph carbon slide plate assembly and abrasion detection method thereof | |
| CN108716605A (en) | One kind having shock-absorbing function and facilitates fixed mining support device | |
| CN207408326U (en) | A kind of pantograph carbon slide component | |
| CN110011465B (en) | Brush holder structure for monitoring generator collector | |
| CN110040455A (en) | A kind of guide rail | |
| CN112332118B (en) | Grounding installation device and grounding equipment | |
| CN113063657B (en) | Fiber composite cable core characteristic detection device | |
| CN208635710U (en) | A kind of dragline type linear displacement transducer | |
| CN203732676U (en) | Withstand voltage testing mechanism | |
| CN209709881U (en) | A kind of direct current generator with carbon brush abrasion detection device | |
| CN203983734U (en) | Element adapter | |
| CN216526196U (en) | Generator carbon brush state monitoring system | |
| CN208716659U (en) | Can stability monitoring bearing temperature multi-rope friction hoisting machine head sheave apparatus | |
| CN207781283U (en) | A kind of electrified track traffic traction power supply system Intelligent insulating | |
| CN219496474U (en) | Electricity safety sensor | |
| CN205139327U (en) | Stepping motor test controller | |
| CN201392322Y (en) | Power-up device of solar battery component on-line defect detection device | |
| CN212062954U (en) | Novel wiping line connecting device | |
| CN211956185U (en) | Portable temperature and humidity display controller | |
| CN210351856U (en) | Dust-proof industrial control instrument | |
| CN204289990U (en) | A kind of conducting slip ring conduction angle controller | |
| CN207541203U (en) | A kind of novel insulation detection device | |
| CN220138655U (en) | Battery overcurrent protection device | |
| CN110265993B (en) | Low-voltage line load adjusting device | |
| WO2019048344A1 (en) | Vehicle and brake pad wear sensor thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |