CN201138261Y - On-line dynamic detecting device for contact pressure of locomotive pantograph - Google Patents
On-line dynamic detecting device for contact pressure of locomotive pantograph Download PDFInfo
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- CN201138261Y CN201138261Y CNU2007200826074U CN200720082607U CN201138261Y CN 201138261 Y CN201138261 Y CN 201138261Y CN U2007200826074 U CNU2007200826074 U CN U2007200826074U CN 200720082607 U CN200720082607 U CN 200720082607U CN 201138261 Y CN201138261 Y CN 201138261Y
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Abstract
The utility model provides an on-line dynamic detection device for contact pressure of working positions of locomotive pantographs. A support is fixed on the side of track of an upright post on the outer side of the track of the on-line dynamic detection device. The lower end of an elevated screw is fixed on the bearing inner race of the support, and passes through a mounting rack and a working platform. The elevated screw is matched with an elevated nut arranged on the mounting rack. The working platform is fixed on the mounting rack. The upper surface of the working platform close to the side of the upright post is provided with a pull and pressure sensor. A steel wire connected with the sensor passes through the working platform downwards, and is connected with the nearside end of a horizontal insulator. The other end of the horizontal insulator is connected with a far-side horizontal insulator with the joint articulated with the lower end of a vertical insulator. The vertical insulator passes through the working platform upwards, and is fixed on the working platform. The other end of the far-side horizontal insulator is connected with a contact net clip downwards. The pull and pressure sensor is electrically connected with a data processing and control device. The device is capable of on-line dynamic detection at high precision, is used safely and conveniently at low cost, and reliable with long service life.
Description
Technical field
The utility model relates to a kind of motorcycle pantograph condition checkout gear, relates in particular to the online device for dynamically detecting of a kind of railway locomotive pantograph contact pressure.
Background technology
In recent years, many national high-speed electric railway development are very fast, and China has also launched many research work to high-speed electric railway.In the high-speed electric railway system, must keep the stable stream mode that is subjected to.Therefore require between pantograph and osculatory certain contact pressure to be arranged: when contact pressure is too small, easily cause off-line, promptly pantograph disengages line and produces electric arc; When contact pressure was excessive, osculatory lifting amount was excessive, made the osculatory local bending, caused the osculatory fatigue damage, and the osculatory abrasion are increased, and caused accident between pantograph when serious.
At present, detection to the contact pressure of pantograph stress, China mainly adopts more original detection method, promptly when locomotive is put in storage, the contact pressure of pantograph is detected: have a power failure contact net is local earlier, the testing staff steps on to roof then, by device for measuring force (as spring balance) is manual pantograph is pulled down, when pantograph and contact net just disengage, the suffered pulling force of test pantograph this moment, thereby measure and contact net between contact pressure.This kind method of testing requires the local outage of contact net, and needs a plurality of staff compounding practice simultaneously, and troublesome poeration is wasted time and energy, and efficient is low, precision is low, poor accuracy; And promptly can produce security incident slightly because of carelessness, have serious potential safety hazard.And this kind manual measurement method is not online detection of dynamic, but a kind of simulation test of static state can not accurately be measured the contact pressure of the pantograph during the locomotive actual motion truly.
The method that developed country adopts is: install force transducer and acceleration transducer additional on the every pantograph to working line, can realize that the contact pressure of pantograph is carried out dynamic real-time to be detected.This kind method can detect the contact pressure at pantograph arbitrfary point place on contact net, but also has the following disadvantages: the sensor that, installs additional is exposed in the air, and work under bad environment is fragile, reliability is low, and detection accuracy is also influenced; Two, the sensor that installs additional is near the high pressure contact net, and its insulation and antijamming capability require high, cost an arm and a leg; Three, need install corresponding apparatus additional on every pantograph of all trains, the number of sensors that needs is huge, the cost height.
At present, the actual measurement data that China's bow net presses power indirectly extremely lacks, the data of this respect are mainly derived from states such as moral, method, day, be not suitable for China bow net is pressed the research of power and the analysis of current carrying quality indirectly, be unfavorable for that China introduces appropriate overhead contact line system, be unfavorable for that China adjusts the development of railway.Therefore, be badly in need of the pick-up unit of a kind of suitable pantograph contact pressure of research and development.
The utility model content
The purpose of this utility model just provides the online device for dynamically detecting of a kind of contact pressure of motorcycle pantograph, and this device can carry out online detection of dynamic to locomotive, and it is with low cost, and the accuracy of detection height is safe in utilization, convenient; The physical strength height, stability, good reliability, long service life.
The utility model solves its technical matters, and the technical scheme that is adopted is: the online device for dynamically detecting of a kind of contact pressure of motorcycle pantograph, and its design feature is:
Track one side of the column in the track outside is fixed with support, the bottom of elevating screw is fixed on the bearing inner race of support, elevating screw passes the worktable erecting frame and the workbench of support top successively, and cooperates with lifting nut on being fixed on the worktable erecting frame; Workbench is fixed on the worktable erecting frame by connecting double-screw bolt;
Be fixed with pull pressure sensor near above the workbench of stud sides, the guiding principle rope that links to each other with pull pressure sensor is passed down through workbench and the worktable erecting frame links to each other with an end of nearside level insulation; The other end of this level insulation links to each other with distally level insulation, and the bottom of its junction and vertically insulated son is hinged, and vertically insulated son is upward through workbench, and is fixed on the workbench; The other end of distally level insulation connects the contact net clip downwards; Pull pressure sensor is electrically connected with data processing and opertaing device.
The course of work of the present utility model and principle of work are: the contact net clip of the utility model device is clamped contact net earlier, when the locomotive of operation is located by this, pantograph on the locomotive upwards holds up contact wire from the bottom, make to produce contact pressure between contact net and the pantograph that this contact pressure acts on the end of distally level insulation by the contact net clip.Because distally level insulation and nearside level insulation link to each other and can be spool to rotate the formation lever construction along its pin joint with vertically insulated son.When the contact net clip end of the distally of lever level insulation is subjected to upwards thrust, the other end of lever is that nearside level insulation then produces a downward pulling force, this pulling force acts on the pull pressure sensor by steel cable, the pressure of data acquisition equipment pick-up transducers, thus detection of dynamic goes out the contact pressure of pantograph.
By be fixed on the support screw mandrel and and screw mandrel on fit be fixed on lifting nut on the worktable erecting frame, the upright position of the workbench that can adjust the worktable erecting frame in vertical direction and be fixedly linked with it, and then adjustment is sub by level insulation and the upright position of the leverage that vertically insulated son constitutes.Therefore, the utility model device can manually be adjusted up and down height, adapting to the variation of contact net height, thereby satisfies the test of the contact pressure of pantograph under the differing heights contact net.
Compared with prior art, the beneficial effects of the utility model are:
One, the insulation leverage that utilizes level insulation son and vertically insulated son to constitute insulate the high-tension electricity of device for measuring force and contact net and away from high-tension electricity; Working sensor is at low-pressure state, and is safe in utilization, not disturbed by high-voltage fence, and stability, good reliability have reduced the acquisition cost of sensor, have prolonged the serviceable life of sensor.
Two, send the contact pressure of working position pantograph to pull pressure sensor automatically by leverage, realize the dynamic on-line testing of motorcycle pantograph working position contact pressure, do not take the turnover working time of locomotive, do not need contact net is had a power failure, it manipulates extremely convenient.
Three, this device is connected contact net top, and the pantograph with the contact net below does not directly contact, and has avoided pantograph to be impacted and influences traffic safety.
When four, overhauling, can lay down the steel cable that is connected of threaded connector between workbench and worktable erecting frame and pull pressure sensor, unclamp the contact net clip, can make workbench of the present utility model and leverage wire winding rod turn to column (low pressure) side, leave contact net, overhaul; Maintenance safety, convenience and do not influence train driving.
The concrete structure that above-mentioned pull pressure sensor and vertically insulated son are fixed in above the workbench is: be horizontally arranged with slide rail on the workbench, fit slide block on the slide rail, slide block top fixed glides, pull pressure sensor and vertically insulated son are fixed on the slide plate, and the perforation that the steel cable of pull pressure sensor and vertically insulated son pass on the workbench is horizontal strip hole.
The slide rail that is provided with on the workbench can freely laterally move the dynamometry leverage that is made of level insulation, vertically insulated son and pull pressure sensor on workbench.When making contact net produce stagger (transversal displacement) variation when the train operation swing like this, this device can be adjusted its transverse horizontal position automatically to adapt to the variation of its contact net stagger, eliminate its influence, improve the precision and the accuracy that detect testing result.
Above-mentioned contact net clip with the concrete structure that level insulation in distally links to each other is: the upper end of contact net clip links to each other with vertical slide rail, fit longitudinal sliding block on vertical slide rail, and longitudinal sliding block top is fixing to link to each other with the end of distally level insulation.
When temperature changed, the corresponding variation of expanding with heat and contract with cold of contact net meeting can make contact net produce vertically moving of (length direction).If level insulation is fixedlyed connected with contact net clip and contact net, then will produce longitudinal pulling force and compulsory twisting resistance, thereby influence testing result level insulation.By vertically relatively moving of the slide rail installed on the contact net clip and chute, realize the self-adaptation adjustment of level insulation and contact net clip lengthwise position, thereby avoid producing the interference of length travel, further improved measuring accuracy and reliability testing result because of temperature variation causes contact net.
Also be fixed with guide pole on the above-mentioned support, guide pole is linked on the guide pole guide hole of worktable erecting frame, and the upper end of guide pole links to each other with an end of horizontal cross bar, and elevating screw passes the other end of horizontal cross bar.
Like this, constitute rectangular configuration, can make the worktable erecting frame and the workbench that stretch out steady more, firm by worktable erecting frame, guide pole, horizontal cross bar, elevating screw.
Be fixed with sensor wrap on the above-mentioned slide plate, pull pressure sensor places in the sensor wrap, and the position of guiding principle rope below the worktable erecting frame that links to each other with pull pressure sensor is with the steel cable sleeve pipe, and the top screw thread of steel cable sleeve pipe is fixed on the worktable erecting frame.Like this, can avoid the interference of environmental factors such as pull pressure sensor and steel cable wind-engaging, rain, improve the precision that detects, and prolong its serviceable life.
Above-mentioned data processing and opertaing device also with railway roadbed district, track both sides outside, the precompression trigger collection sensor electrical of installing in the altitude range of compartment envelope is connected; Data processing and opertaing device also are connected with the sensor electrical of leaving away with the proximity transducer that install in the track outside.
When precompression trigger collection sensor when having locomotive to pass through, send signal to data processing and opertaing device, this equipment is started working pull pressure sensor.Gather when front sensor precompression value, when motorcycle pantograph triggers proximity transducer, pull pressure sensor begins image data, when sensor is left away in the pantograph triggering, pull pressure sensor stops data acquisition, all data transmission that collect can accurately calculate pantograph working position contact pressure to data processing and opertaing device by data analysis and processing.Realize the control of the start and end time of the utility model device like this.Simultaneously,,, calculate locomotive running speed, and be introduced in the calculation of pressure formula, eliminate because the speed of a motor vehicle changes the pressure error of bringing by gathering twice mistiming of pantograph by sensor near undertaking testing the speed of task simultaneously with the sensor of leaving away.
In addition, when near and the company's trailer that constitutes less than two locomotives of the distance of leaving away between the sensor or motor train unit between recently pantograph apart from the time, a plurality of pantographs of same train can be made a distinction.Gather the data of corresponding pantograph respectively; Determine the pantograph number of this test train simultaneously according to the signal approaching and sensor of leaving away, will call different accounting equations according to the number of pantograph like this, the detection data of corresponding simultaneously output pantograph.
Below in conjunction with accompanying drawing and concrete embodiment the utility model is further described.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the utility model embodiment.(removing precompression trigger collection sensor, proximity transducer and the sensor of leaving away)
Fig. 2 is that synoptic diagram is looked on the right side of Fig. 1.
Fig. 3 is the installation site synoptic diagram of precompression trigger collection sensor, proximity transducer and the sensor of leaving away of the utility model embodiment.
Fig. 4 is the A portion enlarged drawing of Fig. 1.
Embodiment
Fig. 1,2 illustrates, a kind of embodiment of the present utility model is: the online device for dynamically detecting of a kind of contact pressure of motorcycle pantograph, this device is fixed with support 21 in track one side of the column 12 in the track outside, the bottom of elevating screw 4 is fixed on bearing 31 inner rings of support 21, elevating screw 4 passes the worktable erecting frame 22 and the workbench 7 of support 21 tops successively, and cooperates with lifting nut 23 on being fixed on worktable erecting frame 22; Workbench 7 is fixed on the worktable erecting frame 22 by connecting double-screw bolt 40.
Be fixed with pull pressure sensor 5 near above the workbench 7 of column 12 sides, the guiding principle rope 5c that links to each other with pull pressure sensor 5 is passed down through workbench 7 and worktable erecting frame 22 links to each other with the end of the sub-6a of nearside level insulation; The other end of the sub-6a of this level insulation links to each other with the sub-6b of distally level insulation, and its junction and vertically insulated sub 8 bottom are hinged, and vertically insulated sub 8 are upward through workbench 7, and are fixed on the workbench 7; The other end of the sub-6b of distally level insulation connects contact net clip 24 downwards; Pull pressure sensor 5 is electrically connected with data processing and opertaing device.
The concrete structure that pull pressure sensor 5 and vertically insulated sub 8 is fixed in above the workbench 7 is: be horizontally arranged with slide rail 7a on the workbench 7, slide rail 7a goes up fit slide block 7b, slide block 7b top fixed glides 7c, pull pressure sensor 5 and vertically insulated sub 8 is fixed on the slide plate 7c, and the perforation that the steel cable 5c of pull pressure sensor 5 and vertically insulated sub 8 passes on the workbench 7 is horizontal strip hole.
Fig. 4 illustrates, contact net clip 24 with the concrete structure that level insulation sub-6b in distally links to each other is: the upper end of contact net clip 24 links to each other with vertical slide rail 35, fit longitudinal sliding block 36 on vertical slide rail 35, longitudinal sliding block 36 tops are fixing to link to each other with the end of the sub-6b of distally level insulation.
Also be fixed with guide pole 37 on the support 21, guide pole 37 is linked on the guide pole guide hole of worktable erecting frame 22, and the upper end of guide pole 37 links to each other with an end of horizontal cross bar 38, and elevating screw 4 passes the other end of horizontal cross bar 38.
Be fixed with sensor wrap 5a on the slide plate 7c, pull pressure sensor 5 places in the sensor wrap 5a, the guiding principle rope 5c that links to each other with pull pressure sensor 5 is with steel cable sleeve pipe 5b at the position of worktable erecting frame below 7, and the top screw thread of steel cable sleeve pipe 5b is fixed on the worktable erecting frame 22.
Fig. 3 illustrates, data processing and opertaing device also with railway roadbed district, track 11 both sides outside, the precompression trigger collection sensor 13 installed in the altitude range of compartment envelope is electrically connected; Data processing and opertaing device also are electrically connected with the proximity transducer 14 and the sensor 15 of leaving away that install in the track outside.
Claims (6)
1, the online device for dynamically detecting of a kind of contact pressure of motorcycle pantograph is characterized in that:
Track one side of the column (12) in the track outside is fixed with support (21), the bottom of elevating screw (4) is fixed on bearing (31) inner ring of support (21), elevating screw (4) passes the worktable erecting frame (22) and the workbench (7) of support (21) top successively, and cooperates with lifting nut (23) on being fixed on worktable erecting frame (22); Workbench (7) is fixed on the worktable erecting frame (22) by connecting double-screw bolt (40);
Be fixed with pull pressure sensor (5) near above the workbench (7) of column (12) side, the guiding principle rope (5c) that links to each other with pull pressure sensor (5) is passed down through workbench (7) and worktable erecting frame (22) links to each other with an end of nearside level insulation (6a); The other end of this level insulation (6a) links to each other with distally level insulation (6b), and the bottom of its junction and vertically insulated son (8) is hinged, and vertically insulated son (8) is upward through workbench (7), and is fixed on the workbench (7); The other end of distally level insulation (6b) connects contact net clip (24) downwards; Pull pressure sensor (5) is electrically connected with data processing and opertaing device.
2, the online device for dynamically detecting of contact pressure of motorcycle pantograph according to claim 1, it is characterized in that: the concrete structure that described pull pressure sensor (5) and vertically insulated son (8) are fixed in above the workbench (7) is: be horizontally arranged with slide rail (7a) on the workbench (7), slide rail (7a) is gone up fit slide block (7b), slide block (7b) top fixed glides (7c), pull pressure sensor (5) and vertically insulated son (8) are fixed on the slide plate (7c), and the perforation that the steel cable (5c) of pull pressure sensor (5) and vertically insulated son (8) pass on the workbench (7) is horizontal strip hole.
3, the online device for dynamically detecting of contact pressure of motorcycle pantograph according to claim 1, it is characterized in that: described contact net clip (24) with the concrete structure that distally level insulation (6b) links to each other is: the upper end of contact net clip (24) links to each other with vertical slide rail (35), vertically slide rail (35) is gone up fit longitudinal sliding block (36), and longitudinal sliding block (36) top is fixing to link to each other with the end of distally level insulation (6b).
4, the online device for dynamically detecting of contact pressure of motorcycle pantograph according to claim 1, it is characterized in that: also be fixed with guide pole (37) on the described support (21), guide pole (37) is linked on the guide pole guide hole of worktable erecting frame (22), the upper end of guide pole (37) links to each other with an end of horizontal cross bar (38), and elevating screw (4) passes the other end of horizontal cross bar (38).
5, the online device for dynamically detecting of contact pressure of motorcycle pantograph according to claim 2, it is characterized in that: be fixed with sensor wrap (5a) on the described slide plate (7c), pull pressure sensor (5) places in the sensor wrap (5a), the position of guiding principle rope (5c) below worktable erecting frame (7) that links to each other with pull pressure sensor (5) is with steel cable sleeve pipe (5b), and the top screw thread of steel cable sleeve pipe (5b) is fixed on the worktable erecting frame (22).
6, the online device for dynamically detecting of contact pressure of motorcycle pantograph according to claim 1 is characterized in that: described data processing and opertaing device also with railway roadbed district, track (11) both sides outside, the precompression trigger collection sensor (13) installed in the altitude range of compartment envelope is electrically connected; Data processing and opertaing device also are electrically connected with proximity transducer (14) and the sensor of leaving away (15) that install in the track outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826074U CN201138261Y (en) | 2007-12-20 | 2007-12-20 | On-line dynamic detecting device for contact pressure of locomotive pantograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826074U CN201138261Y (en) | 2007-12-20 | 2007-12-20 | On-line dynamic detecting device for contact pressure of locomotive pantograph |
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| Publication Number | Publication Date |
|---|---|
| CN201138261Y true CN201138261Y (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200826074U Expired - Lifetime CN201138261Y (en) | 2007-12-20 | 2007-12-20 | On-line dynamic detecting device for contact pressure of locomotive pantograph |
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| CN (1) | CN201138261Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529702C (en) * | 2007-12-20 | 2009-08-19 | 成都主导科技有限责任公司 | On-line checkout equipment for contact pressure of motorcycle pantograph |
| CN101782448A (en) * | 2010-04-01 | 2010-07-21 | 西南交通大学 | Double-bow cut-off device for detecting pantograph pressure of engine |
| CN104833449A (en) * | 2015-05-22 | 2015-08-12 | 南京南车浦镇城轨车辆有限责任公司 | Device for measuring static contact force of current collector of electric locomotive |
| CN105388760A (en) * | 2015-12-08 | 2016-03-09 | 辽宁工程技术大学 | Experimental pantograph and catenary system dynamic pressure precise loading device and control method |
| CN108725209A (en) * | 2018-07-19 | 2018-11-02 | 郑州铁路职业技术学院 | A kind of track train pantograph pulling device |
| CN109766635A (en) * | 2019-01-11 | 2019-05-17 | 中国铁路总公司 | A kind of locomotive machinery unit status detecting sensor Optimal Deployment Method |
| CN112082502A (en) * | 2020-07-31 | 2020-12-15 | 中国电力科学研究院有限公司 | Insulator non-contact three-dimensional size detection system |
-
2007
- 2007-12-20 CN CNU2007200826074U patent/CN201138261Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529702C (en) * | 2007-12-20 | 2009-08-19 | 成都主导科技有限责任公司 | On-line checkout equipment for contact pressure of motorcycle pantograph |
| CN101782448A (en) * | 2010-04-01 | 2010-07-21 | 西南交通大学 | Double-bow cut-off device for detecting pantograph pressure of engine |
| CN104833449A (en) * | 2015-05-22 | 2015-08-12 | 南京南车浦镇城轨车辆有限责任公司 | Device for measuring static contact force of current collector of electric locomotive |
| CN105388760A (en) * | 2015-12-08 | 2016-03-09 | 辽宁工程技术大学 | Experimental pantograph and catenary system dynamic pressure precise loading device and control method |
| CN108725209A (en) * | 2018-07-19 | 2018-11-02 | 郑州铁路职业技术学院 | A kind of track train pantograph pulling device |
| CN108725209B (en) * | 2018-07-19 | 2023-04-25 | 郑州铁路职业技术学院 | Rail train pantograph traction device |
| CN109766635A (en) * | 2019-01-11 | 2019-05-17 | 中国铁路总公司 | A kind of locomotive machinery unit status detecting sensor Optimal Deployment Method |
| CN109766635B (en) * | 2019-01-11 | 2023-02-03 | 中国铁路总公司 | Optimized layout method for state perception sensor of mechanical part of locomotive |
| CN112082502A (en) * | 2020-07-31 | 2020-12-15 | 中国电力科学研究院有限公司 | Insulator non-contact three-dimensional size detection system |
| CN112082502B (en) * | 2020-07-31 | 2023-02-28 | 中国电力科学研究院有限公司 | Insulator non-contact three-dimensional size detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071220 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |