CN220872639U - Grounding detection device for electric locomotive - Google Patents
Grounding detection device for electric locomotive Download PDFInfo
- Publication number
- CN220872639U CN220872639U CN202322342589.0U CN202322342589U CN220872639U CN 220872639 U CN220872639 U CN 220872639U CN 202322342589 U CN202322342589 U CN 202322342589U CN 220872639 U CN220872639 U CN 220872639U
- Authority
- CN
- China
- Prior art keywords
- carbon brush
- electric locomotive
- main body
- body shell
- cover plate
- 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.)
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 59
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 70
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Abstract
The utility model discloses a grounding detection device for an electric locomotive, which relates to the technical field of grounding detection devices for electric locomotives and comprises a rear cover plate, wherein the rear cover plate is arranged at the rear end of a main body shell, the main body shell is fixedly connected with the rear cover plate, external solar energy can be converted into electric energy by installing a solar cell panel to be used for supplying power to an alarm, the use cost of the device is greatly reduced, a compression spring is installed to push a carbon brush to move, the carbon brush is always attached to a rotating shaft of the electric locomotive, when the carbon brush is worn to a certain extent, a monitoring plate can gradually move, then the monitoring plate is contacted with a contact button, and then the alarm is given out, so that workers can timely know that the carbon brush needs to be replaced, the phenomenon that the electric locomotive is not grounded is avoided, the safe running of the electric locomotive is ensured, meanwhile, a displacement sensor is not needed, the structure is simple, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of grounding detection devices for electric locomotives, in particular to a grounding detection device for an electric locomotive.
Background
The current led in by the power receiving end of the electric locomotive, the passenger car, the motor train unit and the like is led into the ground through the axle, the wheels and the steel rail through the grounding device, so that the electric locomotive with the rail is safely grounded, and the normal operation of the electric locomotive with the rail is ensured. The grounding device of the rail electric locomotive has the working principle that a carbon brush fixed at a relative position is contacted with a friction copper disc on a rotary axle, so that current flows through the carbon brush and the friction copper disc to form a loop. In order to ensure close contact between the carbon brushes fixed in relative position and the friction copper plate on the rotating axle, a pressing force is generally applied to the carbon brushes by a spring.
The current led in by the power receiving end of the electric locomotive, the passenger car, the motor train unit and the like is led into the ground through the axle, the wheels and the steel rail through the grounding device, so that the electric locomotive with the rail is safely grounded, and the normal operation of the electric locomotive with the rail is ensured. The grounding device of the rail electric locomotive has the working principle that a carbon brush fixed at a relative position is contacted with a friction copper disc on a rotary axle, so that current flows through the carbon brush and the friction copper disc to form a loop. In order to ensure close contact between the carbon brush with fixed relative position and the friction copper disc on the rotary axle, the carbon brush is generally pressed by a spring, and the related information can only be obtained through irregular maintenance, measurement and mileage estimation at present, so that the method is troublesome and can not intuitively obtain worn data, and the missed detection is easy to occur;
Through searching the prior art, for example, china issued patent with the bulletin number of CN 204858231U (a real-time monitoring system of carbon brush of grounding device for electric locomotive): the real-time monitoring system of the carbon brush of the grounding device for the electric locomotive can monitor and acquire the abrasion degree of the carbon brush in real time, thereby providing basis for replacement and maintenance and solving the problems;
However, the technical scheme of the utility model has the technical problems that the real-time monitoring system of the carbon brush of the grounding device for the electric locomotive is high in cost, a displacement sensor is needed, meanwhile, because the carbon brush of the grounding device for the electric locomotive is severe in use environment, external dust and sundries can be attached to the upper ends of the displacement sensor and a reference surface, the detection precision of the displacement sensor is reduced, and further, the phenomenon of error reporting can occur, and meanwhile, the displacement sensor needs to be powered all the time to monitor the change of the carbon brush of the grounding device for the electric locomotive in real time, so that the use cost is high.
For this purpose, a ground fault detection device for an electric locomotive is proposed.
Disclosure of utility model
The utility model aims to provide a grounding detection device for an electric locomotive, which aims to solve the problems that the cost of a real-time monitoring system of a carbon brush of the grounding device for the electric locomotive provided by the background art is high, a displacement sensor is needed, and meanwhile, because the carbon brush of the grounding device for the electric locomotive is used in a severe environment, dust and sundries outside can be attached to the upper ends of the displacement sensor and a reference surface, the detection precision of the displacement sensor is reduced, and error reporting occurs, and meanwhile, the displacement sensor needs to be powered at all times to monitor the change of the carbon brush of the grounding device for the electric locomotive in real time, so that the use cost is high.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a grounding detection device for an electric locomotive comprises a main body shell:
The rear cover plate is arranged at the rear end of the main body shell, the main body shell is fixedly connected with the rear cover plate, a solar cell panel is arranged in the rear end face of the rear cover plate and is fixedly connected with the rear cover plate, an alarm is arranged on the front end face of the rear cover plate and is connected with the rear cover plate through a screw, and a contact button is arranged outside the alarm;
The compression spring is arranged on the inner side of the main body shell, the main body shell is fixedly connected with the compression spring, a carbon brush is arranged at one end, far away from the main body shell, of the compression spring, the carbon brush is fixedly connected with the compression spring, and a monitoring plate is arranged at the rear end, close to one side of the compression spring, of the carbon brush and is fixedly connected with the carbon brush.
Preferably, a conductive wire is installed on one side of the carbon brush, which is close to the compression spring, and is electrically connected with the carbon brush, and one end of the conductive wire is embedded into the main body shell.
Preferably, the outside of the main body shell is provided with a conductive ring, the conductive ring is fixedly connected with the main body shell, and the conductive ring is electrically connected with the conductive wire.
Preferably, an insulating support is arranged outside the conductive ring and is fixedly connected with the main body shell.
Preferably, a connecting wire is arranged on one side of the conductive ring, and the connecting wire is fixedly connected with the conductive ring.
Preferably, the inner side of the carbon brush is provided with an electric locomotive rotating shaft, one side of the carbon brush, which is close to the compression spring, is provided with a limiting rod, the limiting rod is fixedly connected with the carbon brush, and the limiting rod is in sliding connection with the main body shell through a clamping groove.
Preferably, the front end face of the main body shell is provided with a sundry-proof plate, and the sundry-proof plate is connected with the main body shell through screws.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, external solar energy can be converted into electric energy by installing the solar cell panel to supply power to the alarm, so that the use cost of the device is greatly reduced, the practicability of the device is enhanced, the carbon brush can be pushed to move by installing the compression spring, so that the carbon brush is always attached to the rotating shaft of the electric locomotive, when the carbon brush is worn to a certain extent, the monitoring plate gradually moves, and then the monitoring plate is contacted with the contact type button, so that the alarm gives an alarm, a worker can know that the carbon brush needs to be replaced in time, the phenomenon that the electric locomotive is not grounded is avoided, the safe running of the electric locomotive is ensured, the device is not influenced by external dust and sundries, the phenomenon of error reporting is avoided, and meanwhile, the device is simple in structure and low in cost, and a displacement sensor is not required;
2. According to the utility model, the foreign matter blocking plate is arranged to prevent foreign matters from entering the device, so that the detection accuracy of the device is ensured, and the use effect of the device is enhanced.
Drawings
FIG. 1 is a three-dimensional perspective view of a ground fault detection device for an electric locomotive according to the present utility model;
FIG. 2 is a three-dimensional view of the interior of a ground fault detection device for an electric locomotive according to the present utility model;
FIG. 3 is a diagram showing the connection relationship between the conductive wire, the carbon brush and the conductive ring according to the present utility model;
FIG. 4 is a cross-sectional view of a ground fault detection device for an electric locomotive according to the present utility model;
fig. 5 is a connection relationship diagram of the back cover plate and the solar panel according to the present utility model.
In the figure: 1. a main body housing; 2. a back cover plate; 3. an insulating support; 4. a impurity blocking plate; 5. a rotating shaft of the electric locomotive; 6. connecting wires; 7. a limit rod; 8. a compression spring; 9. a carbon brush; 10. a monitoring board; 11. an alarm; 12. a contact button; 13. a conductive ring; 14. a conductive wire; 15. a solar cell panel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a ground connection detection device for electric locomotive, includes main body housing 1:
The rear cover plate 2 is arranged at the rear end of the main body shell 1, the main body shell 1 is fixedly connected with the rear cover plate 2, a solar panel 15 is arranged in the rear end face of the rear cover plate 2, the solar panel 15 is arranged to convert external solar energy into electric energy for supplying power to the alarm 11, the use cost of the device is greatly reduced, the practicability of the device is enhanced, the solar panel 15 is fixedly connected with the rear cover plate 2, the alarm 11 is arranged on the front end face of the rear cover plate 2, the alarm 11 is connected with the rear cover plate 2 through screws, and a contact button 12 is arranged outside the alarm 11;
The utility model provides a power supply device, a main part shell 1, a main part shell, a carbon brush 9 is installed, a compression spring 8 is arranged on the inboard of main part shell 1, installation compression spring 8 can promote carbon brush 9 and remove, make carbon brush 9 laminate with electric locomotive pivot 5 all the time, when carbon brush 9 wears to certain degree, monitoring board 10 can remove gradually, and then make monitoring board 10 contact with contact button 12, and then make alarm 11 send out the alarm, make the staff in time learn carbon brush 9 and need change, avoid electric locomotive to appear the phenomenon emergence of ungrounded, guarantee electric locomotive's safe driving, this device is not influenced by external dust debris, can not appear reporting wrong phenomenon emergence, and does not need to use displacement sensor simultaneously, moreover, the carbon brush 9 is installed to the one end that main part shell 1 was kept away from to compression spring 8, carbon brush 9 and compression spring 8 fixed connection, monitoring board 10 is installed to the rear end that carbon brush 9 is close to compression spring 8 one side, monitoring board 10 and carbon brush 9 fixed connection.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the conductive wire 14 is installed on one side of the carbon brush 9, which is close to the compression spring 8, the conductive wire 14 is electrically connected with the carbon brush 9, one end of the conductive wire 14 is embedded into the main body housing 1, the conductive ring 13 is installed on the outer side of the main body housing 1, the conductive ring 13 is fixedly connected with the main body housing 1, the conductive ring 13 is electrically connected with the conductive wire 14, the insulating bracket 3 is fixedly connected with the main body housing 1, the connecting wire 6 is installed on one side of the conductive ring 13, the connecting wire 6 is fixedly connected with the conductive ring 13, the electric locomotive rotating shaft 5 is arranged on the inner side of the carbon brush 9, the limit rod 7 is installed on one side of the carbon brush 9, which is close to the compression spring 8, the limit rod 7 is fixedly connected with the carbon brush 9, the limit rod 7 is slidingly connected with the main body housing 1 through the clamping groove, the impurity blocking plate 4 is installed on the front end surface of the main body housing 1, the impurity blocking plate 4 can prevent external impurities from entering the inside the device, the device is ensured to detect the precision, the using effect of the device is enhanced, and the impurity blocking plate 4 is connected with the main body housing 1 through screws.
Working principle: the staff connects the connecting lead 6 with the induction motor of the electric locomotive, the electric locomotive rotating shaft 5 rotates when the electric locomotive runs, current flows into the carbon brush 9 from the induction motor of the electric locomotive through the connecting lead 6, then current flows into the wheels connected with the electric locomotive rotating shaft 5 through the electric locomotive rotating shaft 5, then the wheels guide the current into the track, finally the current enters the ground through the track, the carbon brush 9 can wear after a period of use, the carbon brush 9 is thinned, the compressing spring 8 can push the carbon brush 9 to move in the process, the carbon brush 9 always contacts with the electric locomotive rotating shaft 5, when the carbon brush 9 wears to a certain amount, the monitoring plate 10 contacts with the contact button 12, the alarm 11 gives an alarm, the staff is reminded to replace the carbon brush 9 in time, the solar panel 15 is arranged in the device to convert external solar energy into electric energy for supplying power to the alarm 11, the use cost of the device is greatly reduced, the practicability of the device is enhanced, the compression spring 8 is arranged to push the carbon brush 9 to move, so that the carbon brush 9 is always attached to the rotating shaft 5 of the electric locomotive, when the carbon brush 9 is worn to a certain extent, the monitoring plate 10 gradually moves, further the monitoring plate 10 contacts with the contact button 12, the alarm 11 is sent out, workers can know that the carbon brush 9 needs to be replaced in time, the phenomenon that the electric locomotive is ungrounded is avoided, the safe running of the electric locomotive is ensured, the device is not influenced by external dust and sundries, the error reporting phenomenon is not caused, meanwhile, the displacement sensor is not required to be used, the structure is simple, the cost is low, the impurity blocking plate 4 is arranged to prevent the external sundries from entering the device, the detection accuracy of the device is ensured, the use effect of the device is enhanced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a ground connection detection device for electric locomotive, includes main body shell (1), its characterized in that:
The rear cover plate (2) is arranged at the rear end of the main body shell (1), the main body shell (1) is fixedly connected with the rear cover plate (2), a solar cell panel (15) is arranged in the rear end face of the rear cover plate (2), the solar cell panel (15) is fixedly connected with the rear cover plate (2), an alarm (11) is arranged on the front end face of the rear cover plate (2), the alarm (11) is connected with the rear cover plate (2) through a screw, and a contact button (12) is arranged outside the alarm (11);
The carbon brush (9) is installed to the one end that main body shell (1) was kept away from to compression spring (8), carbon brush (9) and compression spring (8) fixed connection, monitoring board (10) are installed to the rear end that carbon brush (9) is close to compression spring (8) one side, monitoring board (10) and carbon brush (9) fixed connection.
2. The ground detection device for an electric locomotive according to claim 1, wherein: one side of the carbon brush (9) close to the compression spring (8) is provided with a conductive wire (14), the conductive wire (14) is electrically connected with the carbon brush (9), and one end of the conductive wire (14) is embedded into the main body shell (1).
3. The ground detection device for an electric locomotive according to claim 2, wherein: the outside of main body shell (1) is installed conducting ring (13), conducting ring (13) and main body shell (1) fixed connection, conducting ring (13) and conducting wire (14) electric connection.
4. A grounding detection apparatus for an electric locomotive according to claim 3, wherein: an insulating support (3) is arranged outside the conductive ring (13), and the insulating support (3) is fixedly connected with the main body shell (1).
5. A grounding detection apparatus for an electric locomotive according to claim 3, wherein: a connecting wire (6) is arranged on one side of the conducting ring (13), and the connecting wire (6) is fixedly connected with the conducting ring (13).
6. The ground detection device for an electric locomotive according to claim 1, wherein: the inside of carbon brush (9) is provided with electric locomotive pivot (5), gag lever post (7) are installed to one side that carbon brush (9) are close to compression spring (8), gag lever post (7) and carbon brush (9) fixed connection, gag lever post (7) and main body shell (1) pass through draw-in groove sliding connection.
7. The ground detection device for an electric locomotive according to claim 1, wherein: the front end face of the main body shell (1) is provided with a trash-blocking plate (4), and the trash-blocking plate (4) is connected with the main body shell (1) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342589.0U CN220872639U (en) | 2023-08-30 | 2023-08-30 | Grounding detection device for electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322342589.0U CN220872639U (en) | 2023-08-30 | 2023-08-30 | Grounding detection device for electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872639U true CN220872639U (en) | 2024-04-30 |
Family
ID=90815786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322342589.0U Active CN220872639U (en) | 2023-08-30 | 2023-08-30 | Grounding detection device for electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872639U (en) |
-
2023
- 2023-08-30 CN CN202322342589.0U patent/CN220872639U/en active Active
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