CN102830297A - Dynamic off-line experimental device of bow net - Google Patents
Dynamic off-line experimental device of bow net Download PDFInfo
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- CN102830297A CN102830297A CN2012102522153A CN201210252215A CN102830297A CN 102830297 A CN102830297 A CN 102830297A CN 2012102522153 A CN2012102522153 A CN 2012102522153A CN 201210252215 A CN201210252215 A CN 201210252215A CN 102830297 A CN102830297 A CN 102830297A
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Abstract
The invention discloses a dynamic off-line experimental device of a bow net. The dynamic off-line experimental device comprises a rotating mechanism, a contact line embedded on the rotating mechanism, and a pantograph movement system, wherein the rotating mechanism comprises a runner, a rotating shaft which is fixed into a whole together with the runner and coaxial with the runner, and a motor which is arranged at one end of the rotating shaft and drives the rotating shaft to rotate; the contact line is embedded on the brim of the runner of the rotating mechanism; the pantograph movement system comprises a pantograph and a pantograph control device; the pantograph contacts the contact line; the control device emits an off-line signal in working and controls a power device to pull the pantograph to be separated from the contact line so as to generate off-line, and the pantograph is restored to contact the contact line after the off-line signal disappears; a power input wire is communicated with the contact line through the rotating shaft, and a power output line is communicated with the pantograph. According to the dynamic off-line experimental device, real and accurate restoring of a realistic condition can be achieved.
Description
Technical field
The present invention relates to the dynamic off-line experimental provision of bow net technical field, specifically, the present invention relates to a kind of dynamic off-line experimental provision of pantograph under friction speed, electric pressure of under experiment condition, simulating.
Background technology
In service at bullet train, train is obtained electric energy through the relative sliding contact of pantograph carbon slide and osculatory, and this process is referred to as dynamically to be flowed.The dynamic current carrying quality of bow net depends on osculatory and the good relative sliding contact of pantograph.Along with improving constantly of train running speed; Because factors such as contact net fluctuation and pantograph vibration aggravation, body oscillating excitation; Cause the relative sliding contact state deteriorating of pantograph and osculatory, frequent bow net off-line takes place, this is referred to as the dynamic off-line phenomenon of bow net.What the arc discharge of off-line moment had a strong impact on train dynamically receives properties of flow, thereby influences the pulling figure of train traction kinematic train.In addition, bow net off-line not only ablate osculatory and pantograph pan shorten the two serviceable life.And consequent frequency electromagnetic waves also can to around communication line cause the radio noise to disturb, and surrounding environment is caused noise pollution.Therefore, for the actual adverse effect that causes of the research dynamic off-line of bow net,, at first be necessary correctly to hold the state of the dynamic off-line of bow net particularly to the influence of locomotive traction system.
Because the restriction of physical condition, the mode that the dynamic off-line experiment of bow net all adopts the laboratory to build analogue means is studied.Existing simulation test device generally be under specific voltage, electric current and the bow net spacing to bow net between the formation mechanism of electric arc launch research, thereby cause the bow net off-line phenomenon of its simulation and the actual dynamic off-line of bow net that bigger difference is arranged.It can only explain the characteristic of electric arc to a certain extent.
At document number is in the Chinese patent document of CNl01963638A; A kind of bow net contact characteristics test unit is disclosed; But this device side overweight to bow net electrically contact with bow net periodically off-line carry out specific experimental study, and in the offset of sinusoidal cycle off-line of any time with meet actual regular off-line and do not do relevant consideration.
Therefore, existing necessity provides the bow net off-line phenomenon of the experimental provision of the dynamic off-line of a kind of bow net in the hope of better reaction reality.
Summary of the invention
Technical matters to be solved by this invention provides a kind of experimental provision of simulating electric locomotive and the dynamic off-line of motor-car pantograph.This experimental provision can realize pantograph in a voltage cycle any time off-line, also can under the friction speed grade, realize regular off-line phenomenon.
In order to address the above problem, the invention discloses the dynamic off-line experimental provision of a kind of bow net, comprise rotating mechanism, be nested in osculatory and pantograph kinematic system on this rotating mechanism;
Wherein, said rotating mechanism comprises runner, is solidified as a whole with this runner and coaxial rotating shaft, is arranged at rotating shaft one end and drives the motor that rotating shaft is rotated;
Said osculatory is nested in the runner wheel rim of this rotating mechanism;
Said pantograph kinematic system comprises pantograph, pantograph control device;
Said pantograph contacts with said osculatory;
During work, said control device sends off-lined signal, controls said propulsion system pulling pantograph and separates with osculatory, produces off-line; And after said off-lined signal disappears, recover pantograph and contact with osculatory;
Electric power incoming line is connected with osculatory through said rotating shaft, and power outlet is connected with pantograph.
Preferably, said pantograph control device comprise be arranged at pantograph two ends pressure flexible member downside and that support this pantograph, be arranged at the pull bar of said pantograph middle part downside and the power unit that links to each other with this pull bar and is connected with said power unit be used to control the control module that power unit moves.
Optional, said pressure flexible member is compression spring or air-leg.
Preferably; Said pantograph control device comprises a lever construction, is provided with at regulations and parameters one end and weighs down stone roller, and other end upside is provided with pantograph; The power unit that downside is provided with pull bar and links to each other with this pull bar, and the control module that is used to control the power unit motion that is connected with said power unit.
Optional, said bob stone roller is with respect to the adjustable positions of balance pivot.
Optional, also being provided with bearing in said pantograph control device bottom, said bearing links to each other with the control motor, and said control motor is used to control said bearing can be along the to-and-fro movement of said shaft axis direction.
Optional, said electric power incoming line is connected with rotating shaft with carbon brush through collector ring.
Optional, said motor is that frequency converter is regulated motor.
Optional, also comprise the power supply and the speed regulator that link to each other with said motor.
Compared with prior art, the present invention has the following advantages: the dynamic off-line experimental provision of bow net of the present invention is above-mentioned through driven by motor drive mechanism and runner high speed rotating, thereby osculatory carries out high-speed motion with respect to pantograph; The pantograph control system is regulated bow net and is pressed power indirectly, realizes the high-speed motion of different contact conditions between bow net, changes the pantograph off-line phenomenon that off-line is realized any time in the voltage cycle constantly, and under the friction speed grade, realizes regular off-line phenomenon; Make to the dynamic off-line simulation of bow net more near actual conditions.Can realize to current conditions truly, reduction accurately, thereby the research that helps being correlated with draws the experimental result of more approaching reality.
Another aspect of the present invention can also through control pantograph transversal displacement realize pantograph and osculatory relative to laterally moving.
Description of drawings
Fig. 1 is the structural representation of first embodiment of the dynamic off-line experimental provision of bow net of the present invention;
Fig. 2 is nested in the structural representation of runner for osculatory;
Fig. 3 is the structural representation of the 3rd embodiment of the dynamic off-line experimental provision of bow net of the present invention.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the present invention done further detailed explanation.
Fig. 1 is the structural representation of first embodiment of the dynamic off-line experimental provision of bow net of the present invention.
Please refer to Fig. 1, in the present embodiment, the dynamic off-line experimental provision of bow net comprises rotating mechanism, is nested in osculatory and pantograph kinematic system on this rotating mechanism.
Wherein, said rotating mechanism comprises runner 1-5, is solidified as a whole with this runner and coaxial rotating shaft 1-4, is arranged at rotating shaft 1-4 one end and drives the motor 1-7 that rotating shaft 1-4 rotates.Wherein, the other end of said electrode 1-7 and rotating shaft is fixed on the insulating support 1-9.
Please continue with reference to figure 1, said motor 1-7 can regulate electrode for frequency converter, and power supply is connected with this motor with speed regulator 1-8.The other end in said rotating shaft links to each other with electric power incoming line 4.Special, be provided with collector ring 1-2 and carbon brush 1-1 in the end of the connection electric power incoming line 4 of rotating shaft 1-4.Through this collector ring and carbon brush, can realize electric power incoming line 4 with the rotation rotating shaft 1-4 between be electrically connected.Rotating shaft 1-4 further is electrically connected with osculatory through the spoke of runner again.Also be with insulation sleeve 1-6 on the rotating shaft 1-4 of runner 1-5 with respect to a side of electric power incoming line.
Said pantograph kinematic system comprises pantograph 3-1 and pantograph control device.
In the present embodiment, pantograph control device comprise be arranged at pantograph 3-1 two ends pressure flexible member downside and that support this pantograph 3-2, be arranged at the pull bar 3-3 of 3-1 subordinate's side in the said pantograph and the power unit 3-4 that links to each other with this pull bar 3-3 and is connected with said power unit 3-4 be used to control the control module (not shown) that power unit moves.Wherein, said pressure flexible member 3-2 is compression spring or air-leg.
Power outlet 5 is connected with pantograph 3-1.
During work, drive drive mechanism and runner high speed rotating through motor 1-7, thereby osculatory 2 carries out high-speed motion with respect to pantograph 3-1; Pantograph 1 control device is regulated bow net and is pressed power indirectly, realizes the high-speed motion of different contact conditions between bow net, changes off-line and realizes that constantly the pantograph off-line phenomenon of any time in the voltage cycle takes place.Power supply is supplied power to osculatory through collector ring 1-2, carbon brush 1-1, and supply voltage can be 220V and different electric pressures such as 25kV.Regulate motor if electrode 1-7 is a frequency converter, can also realize the runner rotating speed adjustable, the bow net off-line phenomenon inlet wire under the different rotating speeds is simulated.
In addition, in the present embodiment, said pantograph control device bottom also is provided with bearing 3-5, and said bearing 3-5 links to each other with control motor (scheming not shown), and said control motor is used to control said bearing 3-5 can be along the to-and-fro movement of said shaft axis direction.Slide thereby realize producing relatively between pantograph 3-1 and the osculatory 2.Thereby can more comprehensively understand the off-line phenomenon between pantograph 3-1 and the osculatory 2.
The dynamic off-line experimental provision of the bow net of present embodiment is above-mentioned through driven by motor drive mechanism and runner high speed rotating, thereby osculatory carries out high-speed motion with respect to pantograph; The pantograph control system is regulated bow net and is pressed power indirectly, realizes the high-speed motion of different contact conditions between bow net, changes the pantograph off-line phenomenon that off-line is realized any time in the voltage cycle constantly, and under the friction speed grade, realizes regular off-line phenomenon; Can realize to current conditions truly, reduction accurately, thereby the research that helps being correlated with draws the experimental result of more approaching reality.
And, through control pantograph transversal displacement realize pantograph and osculatory relative to laterally moving.
In an other embodiment of the present invention; Said pantograph control device comprises a lever construction; As shown in Figure 3, at regulations and parameters one end bob stone roller 6-3 is set, other end upside is provided with pantograph 3-1; The power unit 3-4 that downside is provided with pull bar 3-3 and links to each other with this pull bar, and the control module (scheming not shown) that is used to control the power unit motion that is connected with said power unit 3-4.Said bob stone roller 6-3 can be along the adjustable positions of bar with respect to balance pivot 6-2, thereby can change the contact pressure between osculatory 2 and the pantograph 3-1.Thereby can simulate the offline scenario under the different contact pressures.Wherein, in the present embodiment, the rotating manner of off-line control mode and runner can be same as the previously described embodiments, repeats no more here.In the present embodiment, also can be arranged at can be along on the bearing of shaft axis direction reciprocating part for pantograph control device.
Though the present invention with preferred embodiment openly as above; But it is not to be used for limiting the present invention; Any those skilled in the art are not breaking away from the spirit and scope of the present invention; Can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (9)
1. the dynamic off-line experimental provision of bow net is characterized in that, comprises rotating mechanism, is nested in osculatory and pantograph kinematic system on this rotating mechanism;
Wherein, said rotating mechanism comprises runner, is solidified as a whole with this runner and coaxial rotating shaft, is arranged at rotating shaft one end and drives the motor that rotating shaft is rotated;
Said osculatory is nested in the runner wheel rim of this rotating mechanism;
Said pantograph kinematic system comprises pantograph, pantograph control device;
Said pantograph contacts with said osculatory;
During work, said control device sends off-lined signal, controls said propulsion system pulling pantograph and separates with osculatory, produces off-line; And after said off-lined signal disappears, recover pantograph and contact with osculatory;
Electric power incoming line is connected with osculatory through said rotating shaft, and power outlet is connected with pantograph.
2. the dynamic off-line experimental provision of bow net according to claim 1 is characterized in that: said pantograph control device comprise be arranged at pantograph two ends pressure flexible member downside and that support this pantograph, be arranged at the pull bar of said pantograph middle part downside and the power unit that links to each other with this pull bar and is connected with said power unit be used to control the control module that power unit moves.
3. the dynamic off-line experimental provision of bow net according to claim 2 is characterized in that: said pressure flexible member is compression spring or air-leg.
4. the dynamic off-line experimental provision of bow net according to claim 1; It is characterized in that: said pantograph control device comprises a lever construction; At regulations and parameters one end the bob stone roller is set; Other end upside is provided with pantograph, the power unit that downside is provided with pull bar and links to each other with this pull bar, and the control module that is used to control the power unit motion that is connected with said power unit.
5. the dynamic off-line experimental provision of bow net according to claim 4 is characterized in that: said bob stone roller is with respect to the adjustable positions of balance pivot.
6. according to the dynamic off-line experimental provision of the arbitrary described bow net of claim 2 to 5; It is characterized in that: also be provided with bearing in said pantograph control device bottom; Said bearing links to each other with the control motor, and said control motor is used to control said bearing can be along the to-and-fro movement of said shaft axis direction.
7. the dynamic off-line experimental provision of bow net according to claim 1 is characterized in that: said electric power incoming line is connected with rotating shaft with carbon brush through collector ring.
8. the dynamic off-line experimental provision of bow net according to claim 1 is characterized in that: said motor is that frequency converter is regulated motor.
9. the dynamic off-line experimental provision of bow net according to claim 1 is characterized in that: also comprise the power supply and the speed regulator that link to each other with said motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102522153A CN102830297A (en) | 2012-07-19 | 2012-07-19 | Dynamic off-line experimental device of bow net |
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| CN2012102522153A CN102830297A (en) | 2012-07-19 | 2012-07-19 | Dynamic off-line experimental device of bow net |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237676A (en) * | 2014-08-20 | 2014-12-24 | 中国铁道科学研究院标准计量研究所 | Pantograph-catenary relation test table |
| CN104280623A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Overall performance testing system for urban rail vehicle bow pantograph |
| 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 |
| CN104237676B (en) * | 2014-08-20 | 2017-01-04 | 中国铁道科学研究院标准计量研究所 | Pantograph contact line relation testing stand |
| CN107390094A (en) * | 2017-06-19 | 2017-11-24 | 北京交通大学 | The offline Discharge Simulation experimental rig of bow net |
| CN110031241A (en) * | 2019-05-16 | 2019-07-19 | 西南交通大学 | Simulate the experimental rig of complex environment Train bow net and insulator operating status |
| CN110888005A (en) * | 2019-11-07 | 2020-03-17 | 西南交通大学 | Experimental testing device based on rail transit bow net current collection system |
| CN112129554A (en) * | 2020-09-03 | 2020-12-25 | 北京交通大学 | High-speed railway bow net developments off-line experiment platform |
| CN112730922A (en) * | 2021-02-05 | 2021-04-30 | 天津益昌电气设备股份有限公司 | High-speed rotatory collector shoe circular telegram experimental apparatus |
| CN113588300A (en) * | 2021-08-02 | 2021-11-02 | 中车大连机车车辆有限公司 | Rail vehicle test bench contact net analogue means |
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| CN101963638A (en) * | 2010-09-07 | 2011-02-02 | 西南交通大学 | Bow net electric contact characteristic testing device |
| CN102063118A (en) * | 2010-12-09 | 2011-05-18 | 中国北车股份有限公司大连电力牵引研发中心 | Test device for simulating instantaneous offline of pantograph of electric locomotive |
| CN102213736A (en) * | 2011-04-08 | 2011-10-12 | 南车株洲电力机车有限公司 | Method and system for detecting offline state of locomotive pantograph net |
| CN102565593A (en) * | 2012-01-17 | 2012-07-11 | 北京交通大学 | Experimental device for simulating offline of pantograph and control device applied to experimental device |
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2012
- 2012-07-19 CN CN2012102522153A patent/CN102830297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101963638A (en) * | 2010-09-07 | 2011-02-02 | 西南交通大学 | Bow net electric contact characteristic testing device |
| CN102063118A (en) * | 2010-12-09 | 2011-05-18 | 中国北车股份有限公司大连电力牵引研发中心 | Test device for simulating instantaneous offline of pantograph of electric locomotive |
| CN102213736A (en) * | 2011-04-08 | 2011-10-12 | 南车株洲电力机车有限公司 | Method and system for detecting offline state of locomotive pantograph net |
| CN102565593A (en) * | 2012-01-17 | 2012-07-11 | 北京交通大学 | Experimental device for simulating offline of pantograph and control device applied to experimental device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280623A (en) * | 2013-07-10 | 2015-01-14 | 上海工程技术大学 | Overall performance testing system for urban rail vehicle bow pantograph |
| CN104237676A (en) * | 2014-08-20 | 2014-12-24 | 中国铁道科学研究院标准计量研究所 | Pantograph-catenary relation test table |
| CN104237676B (en) * | 2014-08-20 | 2017-01-04 | 中国铁道科学研究院标准计量研究所 | Pantograph contact line relation testing stand |
| 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 |
| CN107390094A (en) * | 2017-06-19 | 2017-11-24 | 北京交通大学 | The offline Discharge Simulation experimental rig of bow net |
| CN110031241A (en) * | 2019-05-16 | 2019-07-19 | 西南交通大学 | Simulate the experimental rig of complex environment Train bow net and insulator operating status |
| CN110888005A (en) * | 2019-11-07 | 2020-03-17 | 西南交通大学 | Experimental testing device based on rail transit bow net current collection system |
| CN110888005B (en) * | 2019-11-07 | 2020-09-08 | 西南交通大学 | Experimental testing device based on rail transit bow net current collection system |
| CN112129554A (en) * | 2020-09-03 | 2020-12-25 | 北京交通大学 | High-speed railway bow net developments off-line experiment platform |
| CN112730922A (en) * | 2021-02-05 | 2021-04-30 | 天津益昌电气设备股份有限公司 | High-speed rotatory collector shoe circular telegram experimental apparatus |
| CN113588300A (en) * | 2021-08-02 | 2021-11-02 | 中车大连机车车辆有限公司 | Rail vehicle test bench contact net analogue means |
| CN113588300B (en) * | 2021-08-02 | 2023-12-08 | 中车大连机车车辆有限公司 | Railway vehicle test bed contact net analogue means |
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Application publication date: 20121219 |