CN217358823U - Online automatic detection device for contact pressure of collector shoe and third rail - Google Patents
Online automatic detection device for contact pressure of collector shoe and third rail Download PDFInfo
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- CN217358823U CN217358823U CN202221180534.3U CN202221180534U CN217358823U CN 217358823 U CN217358823 U CN 217358823U CN 202221180534 U CN202221180534 U CN 202221180534U CN 217358823 U CN217358823 U CN 217358823U
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Abstract
The utility model discloses an online automatic checkout device of collector shoe and third rail contact pressure, including wear-resisting section bar touch rail, insulating rigidity fixed rail and detecting element, wear-resisting section bar touch rail end to end both ends are equipped with the level and smooth slope of level and end to end both ends and set up for touch rail central zone symmetry, and detecting element includes axial force meter sensor, insulator and bearing structure, has connected gradually axial force meter sensor, insulator, wear-resisting section bar touch rail on the bearing structure, wear-resisting section bar touch rail and the on-vehicle collector shoe contact of train and production contact pressure, by axial force meter sensor real-time detection. A plurality of the detection units are arranged in an array manner in the central area of the wear-resistant profile contact rail. The utility model discloses solve current third rail power supply system railcar running state with the direct contact mode under the collecting shoe lead to detecting the not high problem of precision with the indirect measurement of third rail contact pressure to further increase the analysis judgement foundation that the detection site location promoted the data accuracy.
Description
Technical Field
The utility model particularly relates to an online automatic checkout device of collecting shoe and third rail contact pressure belongs to third rail power supply system railcar operation safety monitoring and detection area.
Background
Regarding the power receiving of the third rail (contact rail), because the position of the contact rail is low, no obvious high and large components (such as upright posts, transverse carrier cables, metal trusses and the like) exist, the urban landscape is good, and protection measures are easy to take for electromagnetic pollution, which is one of the reasons for adopting a contact rail power receiving mode in urban rail transit at home and abroad. The steel-aluminum composite rail is used as the contact rail, so that the technical performance of the flow mode of the contact rail is improved, and the application range and the prospect of the flow mode of the contact rail are expanded.
The collector shoe of the train guarantees the core components of the normal operation of a locomotive operation system and electric locomotive accessories such as air conditioners, lighting and the like, and the working state of the collector shoe directly determines the problems of whether the electric locomotive can normally operate, whether the electric locomotive is safe and the like.
Because the collector shoe and the contact rail of the subway train are in contact with each other and the collector shoe and the contact rail slide with each other for a long time to generate the phenomenon of surface abrasion, the contact pressure between the collector shoe and the contact rail needs to be detected and monitored in real time to ensure the running safety of the train.
Disclosure of Invention
An object of the utility model is to provide an online automatic checkout device of collector shoe and third rail contact pressure to the problem that the collector shoe leads to detecting the precision not high with the indirect measurement of third rail contact pressure under the current third rail power supply system railcar running state is solved to the direct contact mode, and further increases the analysis judgement foundation that the detection site promoted the data accuracy.
The technical scheme of the utility model is that:
the utility model provides an online automatic checkout device of collecting shoe and third rail contact pressure, including wear-resisting section bar touch rail, insulating rigidity fixed rail and detecting element, wherein wear-resisting section bar touch rail head and the tail both ends are equipped with the level and smooth slope at level and head and the tail both ends and set up for touch rail central zone symmetry, and detecting element includes axle power meter sensor, insulator and bearing structure, has connected gradually axle power meter sensor, insulator, wear-resisting section bar touch rail on the bearing structure, wear-resisting section bar touch rail and the on-vehicle collecting shoe contact of train and production contact pressure, by axle power meter sensor real-time detection.
Further, the automatic detection device includes a plurality of the detection units.
Still further, the plurality of the detection units are arranged in an array in the central area of the wear-resistant profile contact rail.
Further, the detection unit comprises the insulator, the axial force meter sensor, a screw rod, an adjustable support and a nut, wherein the adjustable support is connected with the screw rod and the nut, and the screw rod is downwards and sequentially connected with the axial force meter sensor, the insulator and the wear-resistant profile contact rail.
Further, the wear-resistant profile contact rail is arranged in a long-strip structure, and the insulating rigid fixed rail is arranged in a short-segment structure arranged on the wear-resistant profile contact rail.
Furthermore, the automatic detection device also comprises a wheel sensor, the wheel sensor is arranged on the side surface of the steel rail, and the wheel sensor is sequentially in communication connection with the control structure of the automatic detection device and the axle force meter sensor.
Further, a protective cover is arranged above the automatic detection device.
Furthermore, the length of the wear-resistant profile contact rail is limited by the distance between the two collector shoes on the train, and only one collector shoe can be contacted with the same wear-resistant profile contact rail in the detection process. Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses an online automatic checkout device of collector shoe and third rail contact pressure has realized collector shoe and third rail contact pressure's direct detection under the third rail power supply system railcar running state.
The utility model discloses an online automatic checkout device of collector shoe and third rail contact pressure has realized collector shoe and third rail contact pressure's multiple spot under the third rail power supply system railcar running state and has measured, is favorable to later stage data analysis and improves and detects the precision.
Drawings
Fig. 1 is a front view of the on-line automatic detecting device for contact pressure between a collector shoe and a third rail of the present invention;
fig. 2 is a top view of the on-line automatic collector shoe and third rail contact pressure detecting device of the present invention;
FIG. 3 is a cross-sectional view of the on-line automatic detecting device for contact pressure between the collector shoe and the third rail of the present invention at the position of the axial force meter sensor;
fig. 4 is a sectional view of the end part of the on-line automatic collector shoe and third rail contact pressure detecting device of the present invention;
FIG. 5 is a cross-sectional view of a steel aluminum composite contact rail;
the system comprises 1-collector shoes, 2-wear-resistant profile contact rails, 3-insulating rigid fixed rails, 4-fixed supports, 5-insulating brackets, 6-insulating clamping rail supports, 7-bottom plates, 8-protective covers, 9-ground foundations, 10-steel rails, 11-wheel sensors, 12-insulators, 13-axial force meter sensors, 14-adjustable supports, 15-screws, 16-supporting frames, 17-nuts, 18-steel-aluminum composite contact rail steel parts and 19-steel-aluminum composite contact rail aluminum parts.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the online automatic detection device for contact pressure between a collector shoe and a third rail of the present embodiment includes a wear-resistant profile contact rail 2, an insulating rigid fixed rail 3, a fixed support 4, an insulating bracket 5, an insulating rail clamping support 6, a bottom plate 7, a protective cover 8, a wheel sensor 11, an insulator 12, an axial force meter sensor 13, an adjustable support 14, a screw rod 15, a support frame 16, and a nut 17.
Referring to the existing steel-aluminum composite contact rail (as shown in fig. 5, which is a purchased finished product), in this embodiment, the steel material portion 18 and the aluminum material portion 19 are respectively split into the insulating rigid fixed rail 3 and the wear-resistant profile contact rail 2, the wear-resistant profile contact rail 2 is arranged in a long-bar structure (a long-bar structure from top to bottom as shown in fig. 1), and the insulating rigid fixed rail 3 is arranged in a short-bar structure (a total of 5 insulating rigid fixed rails 3 are arranged as shown in fig. 1) disposed on the wear-resistant profile contact rail 2.
The multi-section guiding slopes of the wear-resistant profile contact rail 2 are symmetrically arranged on the basis of the contact pressure stabilizing section of the collector shoe 1 and the third rail (namely, the central area of the wear-resistant profile contact rail 2), so that the collector shoe 1 and the third rail can be in smooth transition in a set pressure state, the carbon sliding plates of the collector shoe 1 and the third rail are prevented from being subjected to accelerated wear and passing through the contact pressure stabilizing section of the collector shoe 1 and the third rail, and one-time or multiple-time acquisition of the contact pressure by the multi-axis force meter sensor 13 is realized.
Namely, the head end and the tail end of the wear-resistant section bar contact rail 2 are provided with smooth slopes, so that the collector shoe 1 and the wear-resistant section bar contact rail 2 are in smooth transition contact. In addition, the smooth slopes at the head end and the tail end of the wear-resistant profile contact rail 2 are symmetrically arranged relative to the central area of the wear-resistant profile contact rail 2, so that the limitation of the advancing or retreating direction of a train is avoided, the two ends of the wear-resistant profile contact rail 2 can stably pass through and contact with the train-mounted collector shoe 1, and therefore bidirectional detection can be achieved.
Wherein, as shown in fig. 3 and fig. 1, the cross-sectional view of the on-line automatic detecting device for contact pressure between the collector shoe and the third rail of the present invention at the position of the axial force meter sensor 13 is shown;
after the axial force meter sensors 13 are set with a certain pretightening force through the support frame 16, the screw 15, the insulator 12, the adjustable support 14 and the adjusting nut 17, the axial force meter sensors are arranged in the detection section in an array mode, and therefore the contact pressure of the collector shoe 1 and the third rail is collected for multiple times.
Specifically, a bottom plate 7 is fixed on a ground foundation 9, a supporting frame 16 is vertically arranged on the bottom plate 7, a plurality of detection units are downwards fixed on the top of the supporting frame 16, each detection unit comprises a screw 15, an insulator 12, an axial force meter sensor 13, an adjustable support 14 and a nut 17, the adjustable support 14 is connected with the screw 15 and the nut, and the screw 15 is sequentially connected with the axial force meter sensor 13, the insulator 12, a wear-resistant section contact rail 2 and a train-mounted collector shoe 1. The wear-resistant section bar contact rail 2 can be in contact with the collector shoe 1 and generates contact pressure, and the contact pressure of the collector shoe 1 and a third rail can be directly detected in the running state of a metro vehicle of a third rail power supply system through the axial force meter sensor 13.
The detection unit is located in the central area of the wear-resistant profile busbar 2. The two ends of the wear-resistant profile contact rail 2 are provided with a multi-section guiding structure with a slope, a collector shoe 1 (provided with a spring, a lower contact type can be pressed downwards, an upper contact type can be lifted) and the wear-resistant profile contact rail 2 (arranged in sections on site) are in a state of being in contact with each other from a non-contact state to an initial contact smooth buffer state to a maximum contact pressure state, the train driving away from a detection area is also in a smooth buffer state until the collector shoe 1 is separated from the contact rail, and the position of the maximum contact pressure state of the collector shoe 1 and the wear-resistant profile contact rail 2 is that the collector shoe 1 is positioned in the central area of the wear-resistant profile contact rail 2; if the length of the central area is 1m and the arrangement length of the detection units is 0.6m, it is also possible to select a continuous 0.6m in the range of 1m, but the central area is the preferred position.
In the embodiment, 3 detection units are provided, namely 3 axial force meter sensors 13 are included, and 3 points of acquisition are carried out on the collector shoe 1 and the third rail contact pressure stable section.
In addition, the insulator 12 is connected with the wear-resistant profile contact rail 2 and plays a role in isolating high-voltage electricity transmitted by the collector shoe 1 to ensure that the axial force meter sensor 13 is not damaged by electric power impact.
As shown in fig. 4 and fig. 1, the online automatic detection device for contact pressure between the collector shoe and the third rail of the present invention is shown in a cross-sectional view at an end portion; a bottom plate 7 is fixed on a ground foundation 9, a fixing support 4 is vertically arranged on the bottom plate 7, an insulating rigid fixing rail 3 and a wear-resistant profile contact rail 2 are connected to the fixing support 4 through an insulating bracket 5 and an insulating clamping rail support 6, and the wear-resistant profile contact rail 2 can be in contact with a collector shoe 1 on a train and generate contact pressure.
In addition, a wheel sensor 11 is provided on a side surface of the rail 10, and it is possible to determine whether or not the train approaches and passes through the detection area, and when the train approaches and passes through the detection area, the axle force sensor 13 is controlled by the system control structure to prepare for detection.
The above description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides an online automatic checkout device of collecting shoe and third rail contact pressure, a serial communication port, automatic checkout device includes wear-resisting section bar conductor rail, insulating rigidity fixed rail and detecting element, and wherein wear-resisting section bar conductor rail head and the tail both ends are equipped with the level and smooth slope at level and head and the tail both ends and set up for conductor rail central zone symmetry, and detecting element includes axle power meter sensor, insulator and bearing structure, has connected gradually axle power meter sensor, insulator, wear-resisting section bar conductor rail on the bearing structure, and wear-resisting section bar conductor rail and the on-vehicle collecting shoe contact of train produce contact pressure, by axle power meter sensor real-time detection.
2. The on-line automatic detection device for the contact pressure of the collector shoe and the third rail as claimed in claim 1, wherein the automatic detection device comprises a plurality of detection units.
3. The device for automatically detecting the contact pressure of the collector shoe and the third rail in an online manner as claimed in claim 2, wherein the plurality of detection units are arranged in an array manner in the central area of the wear-resistant profile contact rail.
4. The device for automatically detecting the contact pressure of the collector shoe and the third rail on line according to any one of claims 1 to 3, wherein the detection unit comprises the insulator, the axial force meter sensor, a screw rod, an adjustable bracket and a nut, the screw rod and the nut are connected to the adjustable bracket, and the axial force meter sensor, the insulator and the wear-resistant profile contact rail are sequentially connected to the screw rod from bottom to bottom.
5. The device for automatically detecting the contact pressure of the collector shoe and the third rail on line as claimed in any one of claims 1 to 3, wherein the wear-resistant profile contact rail is arranged in a long-bar structure, and the insulating rigid fixing rail is arranged in a short-segment structure arranged on the wear-resistant profile contact rail.
6. An on-line automatic collector shoe and third rail contact pressure detection device as claimed in any one of claims 1-3, wherein the automatic detection device further comprises a wheel sensor, the wheel sensor is arranged on the side surface of the steel rail, and the wheel sensor is in communication connection with the control structure of the automatic detection device and the axle force meter sensor.
7. An on-line automatic detection device for the contact pressure of a collector shoe and a third rail as claimed in any one of claims 1 to 3, wherein a protective cover is arranged above the automatic detection device.
8. An on-line automatic detecting device for the contact pressure of a collector shoe and a third rail as claimed in any one of claims 1 to 3, wherein the length of the wear-resistant profile contact rail is limited by the distance between two collector shoes on a train, and only one collector shoe can be contacted on the same wear-resistant profile contact rail during the detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180534.3U CN217358823U (en) | 2022-05-17 | 2022-05-17 | Online automatic detection device for contact pressure of collector shoe and third rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221180534.3U CN217358823U (en) | 2022-05-17 | 2022-05-17 | Online automatic detection device for contact pressure of collector shoe and third rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217358823U true CN217358823U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221180534.3U Active CN217358823U (en) | 2022-05-17 | 2022-05-17 | Online automatic detection device for contact pressure of collector shoe and third rail |
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| CN (1) | CN217358823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164871A (en) * | 2023-04-21 | 2023-05-26 | 成都盛锴科技有限公司 | On-line monitoring system and method for contact pressure of current collector of railway vehicle |
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2022
- 2022-05-17 CN CN202221180534.3U patent/CN217358823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164871A (en) * | 2023-04-21 | 2023-05-26 | 成都盛锴科技有限公司 | On-line monitoring system and method for contact pressure of current collector of railway vehicle |
| CN116164871B (en) * | 2023-04-21 | 2023-09-05 | 成都盛锴科技有限公司 | On-line monitoring system and method for contact pressure of current collector of railway vehicle |
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