CN204595122U - Pantograph contact line relation testing table - Google Patents
Pantograph contact line relation testing table Download PDFInfo
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- CN204595122U CN204595122U CN201520281632.XU CN201520281632U CN204595122U CN 204595122 U CN204595122 U CN 204595122U CN 201520281632 U CN201520281632 U CN 201520281632U CN 204595122 U CN204595122 U CN 204595122U
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
Abstract
The utility model is solve the technical matters that existing testing table cannot simulate the pantograph contact line relation on locomotive true line road completely, provides a kind of pantograph contact line relation testing table.A kind of portal frame of pantograph contact line relation testing table is mounted by means of bolts on ground, six degree of freedom simulating grid device and the both sides of accompanying examination pantograph assembly to be fixedly mounted on gantry right side uprights of portal frame; Accompany the slide plate of examination pantograph can contact with high-tension bus-bar when both installation sites must ensure rising bow; Test car body pantograph is run attitude-simulating assembly and is arranged on ground by the actuator in 6-dof motion platform, on the horizontal gird that Simulated gas flow type fan assembly is fixedly mounted on portal frame and the top of gantry upright post; Motor-driven coupling arrangement is mounted by means of bolts on ground.The utility model can reappear the athletic posture of contact net in actual track operation completely, and during simulation actual track runs, the running status of pantograph, makes the research of pantograph contact line relation more close to truth.
Description
Technical field
The utility model relates to a kind of rail vehicle testing table, and more particularly, the utility model relates to a kind of pantograph contact line relation testing table.
Background technology
Current, the railway of China is in flourish period, and along with the travelling speed of bullet train improves constantly, increasing problems demand solves, and pantograph contact line relation is one of them.Pantograph in high-speed cruising by obtaining electric energy with the sliding contact of osculatory and pass to electric locomotive, good bow net performance be fast, one of the important guarantee of safety, effective implemention railway operation.
At present, many countries are had to build high-speed railway pantograph contact line relation testing table abroad.The abrasion test platform of Milan, ITA Polytechnics can according to different locomotive speed, different pantograph pressure, different a large amount of basic tests has been carried out to array modes such as mill materials.The relevant pantograph contact line relation of Japanese railway comprehensive technology research institute, pantograph-catenary current collection and bow net abrasion test have 5 testing tables.Wherein current collection test unit can carry out pantograph Dynamic performance examination, osculatory performance test and contact net and parts performance test; Pantograph comprehensive experimental device can test the attribute testing of the followability of pantograph, ratio of contact loss and slide plate; Current collection abrasion testing machine can be used for bow net abrasion test; Current collection material abrasion testing machine is used for doing the friction test of sliding material; High speed current collection material abrasion testing machine is mainly used for doing sliding material abrasion test at high speeds.The abrasion test platform of AEG company of Germany carries out Testing and research that is a large amount of, system to important equipment of contact net such as fine copper, Kufil, copper magnesium alloy, copper tin alloy contact line and carbon slipper.The testing table function of Japan is more single, focuses on fundamental research, and namely testing the overwhelming majority is qualitative test.The testing table function in Europe is more, and speed when doing slide plate abrasion test is high, and speed when doing pantograph contact line relation test is low.
The pantograph contact line relation testing table of domestic China Academy of Railways Sciences comprises osculatory device and pantograph device, abrasivity test can be carried out, between bow net by stream test, pantograph, contact net Dynamic performance examination and to grinding the high-speed friction mechanism of storeroom and the research and experiment of influence factor.But this testing table master only has three degree of freedom, and shaking table can only vertically vibrate, the pantograph contact line relation on locomotive true line road cannot be simulated completely.
Summary of the invention
The utility model is solve the technical matters that existing testing table cannot simulate the pantograph contact line relation on locomotive true line road completely, provides a kind of pantograph contact line relation testing table.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to realize, and accompanying drawings is as follows:
A kind of pantograph contact line relation testing table, run attitude-simulating assembly 4 by ground 1, portal frame 2, six degree of freedom simulating grid device 3, test car body pantograph, accompanied examination pantograph assembly 5, Simulated gas flow type fan assembly 6 and motor-driven coupling arrangement 7 to form, described portal frame 2 is mounted by means of bolts on ground 1, and described six degree of freedom simulating grid device 3 is fixedly mounted on the both sides of gantry right side uprights of portal frame 2 by lower floor of the six-freedom motion mechanism diagonal brace fixed support 12 of bottom; Described examination pantograph assembly 5 of accompanying tries by accompanying the both sides that pantograph bracing frame 18 is fixedly mounted on gantry right side uprights of portal frame 2, accompanies the slide plate of examination pantograph 19 of accompanying in examination pantograph assembly 5 can to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3 when both installation sites must ensure rising bow; Described test car body pantograph is run attitude-simulating assembly 4 and is arranged on ground 1 by vertical, the vertical and horizontal actuator in the 6-dof motion platform of bottom, and the slide plate of the tested pantograph run in attitude-simulating assembly 4 by the installation site warranty test car body pantograph of adjustment six degree of freedom simulating grid device 3 can be contacted with the high-tension bus-bar in six degree of freedom simulating grid device 3; The special counter-rotating axial fan assembly 22 in tunnel in described Simulated gas flow type fan assembly 6 is mounted by means of bolts on the horizontal gird of portal frame 2, the top that square tube 21 is mounted by means of bolts on the gantry upright post of portal frame 2 is fixed in blower fan upper end in Simulated gas flow type fan assembly 6, and installation site can ensure that water conservancy diversion spout 20 is just running the tested pantograph traffic direction in attitude-simulating assembly 4 to test car body pantograph; Described motor-driven coupling arrangement 7 is mounted by means of bolts on ground 1.
Described six degree of freedom simulating grid device 3 is made up of master assembly 8, six-freedom motion mechanism upper strata frame assembly 9, reduction gearing box assembly 10, six-freedom motion mechanism actuator assembly 11, lower floor of six-freedom motion mechanism diagonal brace fixed support 12, lower floor of six-freedom motion mechanism support frame assembly 13 and Hexamermis spp separator 14;
Lower floor of described six-freedom motion mechanism diagonal brace fixed support 12 comprises a left side for two structural symmetry, right side lower floor of six-freedom motion mechanism diagonal brace fixed support, the lower surface welded and installed of lower floor of described six-freedom motion mechanism support frame assembly 13 is on lower floor of six-freedom motion mechanism diagonal brace fixed support 12 upper surface, lower floor of six-freedom motion mechanism support frame assembly 13 is an equilateral triangle framework, the bottom of 6 actuator in described six-freedom motion mechanism actuator assembly 11 is arranged on the upper surface at three angles of lower floor of six-freedom motion mechanism support frame assembly 13 respectively by ball hinged support assembly bottom actuator, described six-freedom motion mechanism upper strata frame assembly 9 is a regular hexagon framework, the top of 6 actuator in described six-freedom motion mechanism actuator assembly 11 is arranged on respectively by actuator upper end ball hinged support assembly on the lower surface at orthohexagonal three angles, three dihedrals become an equilateral triangle, to misplace 60 ° of angles with the equilateral triangle of lower floor of six-freedom motion mechanism support frame assembly 26, described six-freedom motion mechanism upper strata frame assembly 9, six-freedom motion mechanism actuator assembly 11 and lower floor of six-freedom motion mechanism support frame assembly 13 form a stewart platform, described Hexamermis spp separator 14 comprises 6 oil-outs and 6 oil-ins, 6 oil-outs are connected with 6 actuator respectively, speed reduction unit upper surface in described reduction gearing box assembly 10 is fixedly connected by the lower surface of bolt and six-freedom motion mechanism upper strata frame assembly 9, wheel hub in described master assembly 8 is fixedly connected by the speed reduction unit rotating shaft in key and reduction gearing box assembly 10, reduction gearing box assembly 10 can drive the master in master assembly 8 to rotate, by controlling the long stroke of bar of 6 actuator in six-freedom motion mechanism actuator assembly 11, the athletic posture of master assembly 8 can be controlled, thus simulate the attitude of contact net in actual track operation.
Described test car body pantograph is run attitude-simulating assembly 4 and is made up of test car body half car quality simulating device 15,1# 6-dof motion platform 16 and 2# 6-dof motion platform 17; Test car body pantograph runs the wheel of the bogie in attitude-simulating assembly 4 by bottom is fixedly mounted on 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 motion platform upper surface to jig; Described 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 or by can directly track be replaced the incentive action of car body other testing tables with identical function on wheel track; The tested pantograph that test car body pantograph runs attitude-simulating assembly 4 top contacts with the high-tension bus-bar in six degree of freedom simulating grid device 3 under rising bow state, actual track being run the track spectrum collected is input in 14 actuator in 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 as instruction, 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 simulate the line condition of car body when actual track runs, thus reappear the operation attitude of pantograph in actual track operation completely.
Described accompanies examination pantograph assembly 5 by accompanying examination pantograph bracing frame 18 and accompanying examination pantograph 19 to form;
Described examination pantograph 19 of accompanying try pantograph bracing frame 18 upper surface by 3 pantograph support insulators of bottom and is connected with accompanying, and accompanies the slide plate trying pantograph 19 can to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3 when accompanying examination pantograph bracing frame 18 must ensure rising bow with the installation site of six degree of freedom simulating grid device 3.
Described examination pantograph bracing frame 18 of accompanying is square tubes soldering part, examination pantograph bracing frame 18 upper part is accompanied to be the L-type structure be made up of double square tube, comprise 2 horizontal rectangular pipes, 2 longitudinal rectangular pipes, 4 short square tubes of transverse direction and 4 short square tube compositions of longitudinal direction, 4 rectangular pipes form two L-types, 2 L link together by 8 short square tubes, and the two ends of 8 short square tubes are all welded on the inner side end of rectangular pipe, accompany the center section structure of examination pantograph bracing frame 18 similar to upper part, both by 6 vertical square tubes solderings together, two vertical square tubes in left side are the longest, four uniform steel plates are all welded with inside each square tube, steel plate is drilled with threaded hole, by the both sides that bolt will accompany examination pantograph bracing frame 18 to be fixedly mounted on gantry right side uprights of portal frame 2, center section structure and the upper part structure of accompanying examination pantograph bracing frame 18 are angular cut unlike 2 longitudinal rectangular pipe end faces, this end face welds together with the side of 2 the vertical square tubes being positioned at L-type junction, the other end of this longitudinal rectangular pipe welds together respectively by 2 longitudinal rectangular pipes on 2 short vertical channel-section steels and upper strata, two vertical square tube bottoms in left side weld together respectively by two oblique channel-section steels and two middle vertical channel-section steels.
Described Simulated gas flow type fan assembly 6 is fixed the special counter-rotating axial fan assembly 22 of square tube 21 and tunnel by water conservancy diversion spout 20, blower fan upper end and is formed, the special counter-rotating axial fan assembly 22 in described tunnel is mounted by means of bolts on the horizontal gird of portal frame 2, installation site can ensure that water conservancy diversion spout 20 is just running the tested pantograph traffic direction in attitude-simulating assembly 4 to test car body pantograph, thus the air draught during operation of simulation actual track is on the impact of pantograph, the upper surface of the tunnel blower air outlet flange 28 in the special counter-rotating axial fan assembly 22 of the bend pipe end face of water conservancy diversion spout 20 bottom and tunnel is welded and fixed, blower fan upper end is fixed the Plate Welding that square tube 21 stretched out by 2 vertical square tubes and water conservancy diversion spout 20 both sides and is fixed.
Described water conservancy diversion spout 20 front end is the long trough structure of a Flat belt grid, both sides are welded with 2 symmetrical rectangular steel plates, square tube 21 is fixed in order to weld blower fan upper end, water conservancy diversion spout 20 rear end is a coupling bend, be welded and fixed with the upper surface of tunnel blower air outlet flange 28, be a flat trumpet-shaped hollow tubular in the middle of water conservancy diversion spout 20, in order to the bend pipe of the spout and rear end that connect water conservancy diversion spout 20 front end;
The bottom that square tube 21 is fixed in described blower fan upper end is 2 horizontal rectangular pipes, the bottom surface at 2 horizontal rectangular pipe two ends is respectively welded with one piece of rectangular steel plates, the top that square tube 21 is fixed on the gantry upright post of portal frame 2 is fixed by bolt in blower fan upper end by rectangular steel plates, the medial side face of 2 horizontal rectangular pipes is welded with a short square tube of longitudinal direction, 2 horizontal rectangular pipes are linked together, the upper surface of 1 horizontal rectangular pipe is welded with two symmetrical vertical square tubes, the top of vertical square tube is welded with rectangular steel plates, this rectangular steel plates is welded in the rectangular steel plates of water conservancy diversion spout 20 both sides, the side of 2 vertical square tubes is respectively welded with an oblique pull square tube, the other end of this oblique pull square tube welds with another horizontal rectangular pipe, the intensity of vertical square tube can be increased.
1# motor assembly 38 in described motor-driven coupling arrangement 7 is connected with the 380V alternating current in factory building with two quadrant rectifier by four-quadrant inverter, 2# motor assembly 40 is tried accompanying in pantograph assembly 5 by four-quadrant inverter and four-quadrant rectifier and tries pantograph 19 and be connected with accompanying, examination pantograph 19 is accompanied to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3, the pantograph that the high-tension bus-bar other end runs in attitude-simulating assembly 4 with test car body pantograph contacts, the tested pantograph that test car body pantograph is run in attitude-simulating assembly 4 is connected with 1# motor assembly 38 with four-quadrant inverter by two quadrant rectifier again, form 1 closed-loop path.
Described pantograph contact line relation testing table is from factory building 380V, the power taking of 580A alternating current, 1500V is become with auxiliary compensation transformer through starting, after the alternating current of 250A, whole through two quadrant rectifier is direct current, become alternating current rear drive 1# motor assembly 38 through four-quadrant inverter again to work, 1# motor assembly 38 drives 2# motor assembly 40 to move as drive motor, again through four-quadrant inverter by alternating current the whole alternating current for again direct current to be become 1770V after direct current through four-quadrant rectifier, 550V is become again through transformer, the alternating current of 1000A leads to after vacuum circuit breaker accompanies in examination pantograph 19, examination pantograph 19 is accompanied to contact with high-tension bus-bar, the high-tension bus-bar other end contacts with tested pantograph, tested pantograph passes through vacuum circuit breaker, the alternating current of 1770V is become after transformer, whole through two quadrant rectifier is again after direct current, become interchange through four-quadrant inverter and lead to 1# motor assembly 38, so just can form a closed-loop system, the electric energy that system consumes after running well provides with auxiliary compensation transformer by starting.
Compared with prior art the beneficial effects of the utility model are:
1. pantograph contact line relation testing table described in the utility model can the six-freedom degree of simulating grid, and can simulate air-flow suffered when locomotive actual track runs, can reappear completely actual track run in the athletic posture of contact net.
2. pantograph contact line relation testing table described in the utility model can by the mass distribution of half car analogue means simulation car load, after double six degree-of-freedom motion platform inputs track spectrum, just can simulate the motion state of locomotive in actual track operation, thus simulate the running status of pantograph in actual track operation.
3. pantograph contact line relation testing table described in the utility model can simulate the pantograph contact line relation on locomotive true line road completely, makes the research of pantograph contact line relation more close to truth.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the integrally-built axonometric projection graph of pantograph contact line relation testing table described in the utility model;
Fig. 2 is the axonometric projection graph of the six degree of freedom simulating grid device in pantograph contact line relation testing table described in the utility model;
Fig. 3 is the axonometric projection graph of the test car body pantograph operation attitude-simulating assembly in pantograph contact line relation testing table described in the utility model;
Fig. 4 is the axonometric projection graph of accompanying examination pantograph assembly in pantograph contact line relation testing table described in the utility model;
Fig. 5 is the axonometric projection graph of the pantograph bracing frame in pantograph contact line relation testing table described in the utility model;
Fig. 6 is the axonometric projection graph of the Simulated gas flow type fan assembly in pantograph contact line relation testing table described in the utility model;
Fig. 7 is the axonometric projection graph of the water conservancy diversion spout in pantograph contact line relation testing table described in the utility model;
Fig. 8 is the axonometric projection graph that square tube is fixed in blower fan upper end in pantograph contact line relation testing table described in the utility model;
Fig. 9 is the axonometric projection graph of the SFD type tunnel counter-rotating axial fan in pantograph contact line relation testing table described in the utility model;
Figure 10 is the axonometric projection graph of the motor-driven coupling arrangement in pantograph contact line relation testing table described in the utility model;
Figure 11 is the electric power closed loop load test circuit diagram of the simulation bow net contact transmission current in pantograph contact line relation testing table described in the utility model.
In figure: 1. ground, 2. portal frame, 3. six degree of freedom simulating grid device, 4. test car body pantograph and run attitude-simulating assembly, 5. accompany examination pantograph assembly, 6. Simulated gas flow type fan assembly, 7. motor-driven coupling arrangement, 8. master assembly, 9. six-freedom motion mechanism upper strata frame assembly, 10. reduction gearing box assembly, 11. six-freedom motion mechanism actuator assemblies, 12. lower floor of six-freedom motion mechanism diagonal brace fixed supports, 13. lower floor of six-freedom motion mechanism support frame assemblies, 14. Hexamermis spp separators, 15. test car body half car quality simulating devices, 16.1# 6-dof motion platform, 17.2# 6-dof motion platform, 18. accompany examination pantograph bracing frame, 19. accompany examination pantograph, 20. water conservancy diversion spouts, square tube is fixed in 21. blower fan upper ends, the 22 special counter-rotating axial fan assemblies in tunnel, 23. tunnel blower entrance guiding covers, 24. tunnel blower Inlet muffler kuppes, 25. tunnel blower entrance blower fan groups, 26. tunnel blower list blower fan groups, 27. tunnel blower silencer for air outlet kuppes, 28. tunnel blower air outlet flanges, 29.1# fixing square tube, 30.2# fixing square tube, 31.1# rubber absorbers, 32.2# rubber absorbers, 33.1# terminal box, 34.3# rubber absorbers, 35.2# terminal box, 36.4# rubber absorbers, 37.1# drive motor fixing tool jig, 38.1# motor assembly, 39. torque transmitter assemblies, 40.2# motor assembly, 41.2# drive motor fixing tool jig, 42.T type groove platform.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is explained in detail:
Pantograph contact line relation testing table described in the utility model can the air-flow suffered when running of the six-freedom degree of simulating grid, simulation locomotive actual track, simulation car load mass distribution, thus the pantograph contact line relation on locomotive true line road can be simulated completely.
Consult Fig. 1, described pantograph contact line relation testing table runs attitude-simulating assembly 4 primarily of ground 1, portal frame 2, six degree of freedom simulating grid device 3, test car body pantograph, accompanies examination pantograph assembly 5, Simulated gas flow type fan assembly 6 and motor-driven coupling arrangement 7 to form.
Described portal frame 2 is mounted by means of bolts on ground 1, for testing table load maintainer, positioning and clamping mechanism provide counter-force to support.Six degree of freedom simulating grid device 3 is fixedly mounted on the both sides of gantry right side uprights of portal frame 2 by lower floor of the six-freedom motion mechanism diagonal brace fixed support 12 of bottom, accompanying the both sides of examination pantograph assembly 5 by accompanying examination pantograph bracing frame 18 to be fixedly mounted on gantry right side uprights of portal frame 2, when both installation sites must ensure rising bow, accompanying the slide plate of examination pantograph 19 of accompanying in examination pantograph assembly 5 can to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3.Test car body pantograph is run attitude-simulating assembly 4 and is arranged on ground 1 by 8 vertical actuator, 4 longitudinal actuator and 2 the horizontal actuator in the 1# 6-dof motion platform 16 of bottom and 2# 6-dof motion platform 17, and the slide plate of the tested pantograph run in attitude-simulating assembly 4 by the installation site warranty test car body pantograph of adjustment six degree of freedom simulating grid device 3 can be contacted with the high-tension bus-bar in six degree of freedom simulating grid device 3.The special counter-rotating axial fan assembly 22 in tunnel in Simulated gas flow type fan assembly 6 is mounted by means of bolts on the horizontal gird of portal frame 2, and the top that square tube 21 is mounted by means of bolts on the gantry upright post of portal frame 2 is fixed in the blower fan upper end in Simulated gas flow type fan assembly 6.Installation site can ensure that water conservancy diversion spout 20 is just running the tested pantograph traffic direction in attitude-simulating assembly 4 to test car body pantograph, thus air draught when simulation actual track runs is on the impact of pantograph.Motor-driven coupling arrangement 7 is mounted by means of bolts on ground 1, 1# motor assembly 38 in motor-driven coupling arrangement 7 is connected with the 380V alternating current in factory building with two quadrant rectifier by four-quadrant inverter, 2# motor assembly 40 is tried accompanying in pantograph assembly 5 by four-quadrant inverter and four-quadrant rectifier and tries pantograph 19 and be connected with accompanying, examination pantograph 19 is accompanied to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3, the pantograph that the high-tension bus-bar other end runs in attitude-simulating assembly 4 with test car body pantograph contacts, the tested pantograph that test car body pantograph is run in attitude-simulating assembly 4 is connected with 1# motor assembly 38 with four-quadrant inverter by two quadrant rectifier again, form 1 closed-loop path, achieve the closed loop of poower flow.
Consult Fig. 2, described six degree of freedom simulating grid device 3 forms primarily of master assembly 8, six-freedom motion mechanism upper strata frame assembly 9, reduction gearing box assembly 10, six-freedom motion mechanism actuator assembly 11, lower floor of six-freedom motion mechanism diagonal brace fixed support 12, lower floor of six-freedom motion mechanism support frame assembly 13 and Hexamermis spp separator 14.
Described six degree of freedom simulating grid device 3 is fixedly mounted on the both sides of gantry right side uprights of portal frame 2 by lower floor of the six-freedom motion mechanism diagonal brace fixed support 12 of bottom, and lower floor of six-freedom motion mechanism diagonal brace fixed support 12 comprises left side lower floor of six-freedom motion mechanism diagonal brace fixed support and right side lower floor of the six-freedom motion mechanism diagonal brace fixed support of two structural symmetry.The lower surface welded and installed of lower floor of six-freedom motion mechanism support frame assembly 13 is on lower floor of six-freedom motion mechanism diagonal brace fixed support 12 upper surface, lower floor of six-freedom motion mechanism support frame assembly 13 is an equilateral triangle framework, and the bottom of 6 actuator in six-freedom motion mechanism actuator assembly 11 is arranged on respectively by ball hinged support assembly bottom actuator on the upper surface at three angles of lower floor of six-freedom motion mechanism support frame assembly 13.Six-freedom motion mechanism upper strata frame assembly 9 is a regular hexagon framework, the top of 6 actuator in six-freedom motion mechanism actuator assembly 11 is arranged on respectively by actuator upper end ball hinged support assembly on the lower surface at orthohexagonal three angles, three dihedrals become an equilateral triangle, to misplace 60 ° of angles with the equilateral triangle of lower floor of six-freedom motion mechanism support frame assembly 26.Six-freedom motion mechanism upper strata frame assembly 9, six-freedom motion mechanism actuator assembly 11 and lower floor of six-freedom motion mechanism support frame assembly 13 form a stewart platform.Hexamermis spp separator 14 comprises 6 oil-outs and 6 oil-ins, and 6 oil-outs are connected with 6 actuator respectively, to 6 actuator fuel feeding.Speed reduction unit upper surface in reduction gearing box assembly 10 is fixedly connected by the lower surface of bolt and six-freedom motion mechanism upper strata frame assembly 9.Wheel hub in master assembly 8 is fixedly connected by the speed reduction unit rotating shaft in key and reduction gearing box assembly 10, and reduction gearing box assembly 10 can drive the master in master assembly 8 to rotate.By controlling the long stroke of bar of 6 actuator in six-freedom motion mechanism actuator assembly 11, the athletic posture of master assembly 8 can be controlled, thus simulate the attitude of contact net in actual track operation.
Consult Fig. 3, described test car body pantograph is run attitude-simulating assembly 4 and is made up of test car body half car quality simulating device 15,1# 6-dof motion platform 16 and 2# 6-dof motion platform 17, wherein 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 structural symmetry.
1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 are fixedly mounted on ground by 8 vertical actuator connection seats, 4 longitudinal actuator connection seats and 2 horizontal actuator connection seats, and test car body pantograph runs the wheel of the bogie in attitude-simulating assembly 4 by bottom is fixedly mounted on 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 motion platform upper surface to jig.1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 also can by can directly be replaced the incentive action of car body other testing tables with identical function on wheel track by track.The tested pantograph that test car body pantograph runs attitude-simulating assembly 4 top can contact with the high-tension bus-bar in six degree of freedom simulating grid device 3 under rising bow state.Actual track being run the track spectrum collected is input in 14 actuator in 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 as instruction, 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 just can simulate the line condition of car body when actual track runs, thus can reappear the operation attitude of pantograph in actual track operation completely.
Consult Fig. 4 and Fig. 5, described accompanies examination pantograph assembly 5 by accompanying examination pantograph bracing frame 18 and accompanying examination pantograph 19 to form.Accompany examination pantograph bracing frame 18 to be fixedly mounted on the both sides of gantry right side uprights of portal frame 2, accompany examination pantograph 19 to try pantograph bracing frame 18 upper surface by 3 pantograph support insulators of bottom and be connected with accompanying.Accompany the slide plate of examination pantograph 19 can to contact with the high-tension bus-bar in six degree of freedom simulating grid device 3 when accompanying examination pantograph bracing frame 18 must ensure rising bow with the installation site of six degree of freedom simulating grid device 3.
Examination pantograph bracing frame 18 is accompanied to be square tubes soldering part, examination pantograph bracing frame 18 upper part is accompanied to be the L-type structure be made up of double square tube, comprise 2 horizontal rectangular pipes, 2 longitudinal rectangular pipes, 4 short square tubes of transverse direction and 4 short square tube compositions of longitudinal direction, 4 rectangular pipes form two L-types, 2 L link together by 8 short square tubes, and the two ends of 8 short square tubes are all welded on the inner side end of rectangular pipe.Accompany the center section structure of examination pantograph bracing frame 18 similar to upper part, both by 6 vertical square tubes solderings together.Two vertical square tubes in left side are the longest, be all welded with four uniform steel plates, steel plate is drilled with threaded hole inside each square tube, examination pantograph bracing frame 18 will be accompanied to be fixedly mounted on the both sides of gantry right side uprights of portal frame 2 by bolt.Center section structure and the upper part structure of accompanying examination pantograph bracing frame 18 are angular cut unlike 2 longitudinal rectangular pipe end faces, this end face welds together with the side of 2 vertical square tubes being positioned at L-type junction, and the other end of this longitudinal rectangular pipe welds together respectively by 2 longitudinal rectangular pipes on 2 short vertical channel-section steels and upper strata.Two vertical square tube bottoms in left side weld together respectively by two oblique channel-section steels and two middle vertical channel-section steels.
Consult Fig. 6 to Fig. 9, Simulated gas flow type fan assembly 6 is fixed the special counter-rotating axial fan assembly 22 of square tube 21 and tunnel by water conservancy diversion spout 20, blower fan upper end and is formed.The special counter-rotating axial fan assembly 22 in tunnel is mounted by means of bolts on the horizontal gird of portal frame 2, installation site can ensure that water conservancy diversion spout 20 is just running the tested pantograph traffic direction in attitude-simulating assembly 4 to test car body pantograph, thus air draught when simulation actual track runs is on the impact of pantograph.The upper surface of the tunnel blower air outlet flange 28 in the special counter-rotating axial fan assembly 22 of the bend pipe end face of water conservancy diversion spout 20 bottom and tunnel is welded and fixed.Blower fan upper end is fixed the Plate Welding that square tube 21 stretched out by 2 vertical square tubes and water conservancy diversion spout 20 both sides and is fixed.
Water conservancy diversion spout 20 front end is the long trough structure of a Flat belt grid, and both sides are welded with 2 symmetrical rectangular steel plates, fixes square tube 21 in order to weld blower fan upper end.Water conservancy diversion spout 20 rear end is a coupling bend, is welded and fixed with the upper surface of tunnel blower air outlet flange 28.Be a flat trumpet-shaped hollow tubular in the middle of water conservancy diversion spout 20.In order to the bend pipe of the spout and rear end that connect water conservancy diversion spout 20 front end.
The bottom that square tube 21 is fixed in blower fan upper end is 2 horizontal rectangular pipes, and the bottom surface at 2 horizontal rectangular pipe two ends is respectively welded with one piece of rectangular steel plates, and the top that square tube 21 is fixed on the gantry upright post of portal frame 2 is fixed by bolt in blower fan upper end by rectangular steel plates.The medial side face of 2 horizontal rectangular pipes is welded with a short square tube of longitudinal direction, is linked together by 2 horizontal rectangular pipes.The upper surface of 1 horizontal rectangular pipe is welded with two symmetrical vertical square tubes, and the top of vertical square tube is welded with rectangular steel plates, and this rectangular steel plates is welded in the rectangular steel plates of water conservancy diversion spout 20 both sides.The side of 2 vertical square tubes is respectively welded with an oblique pull square tube, and the other end of this oblique pull square tube welds with another horizontal rectangular pipe, can increase the intensity of vertical square tube.
The special counter-rotating axial fan assembly 22 in tunnel by tunnel blower entrance guiding cover 23, tunnel blower Inlet muffler kuppe 24, tunnel blower entrance blower fan group 25, tunnel blower list blower fan group 26, tunnel blower silencer for air outlet kuppe 27, tunnel blower air outlet flange 28,1# fixes square tube 29,2# fixes square tube 30,1# rubber absorbers 31,2# rubber absorbers 32,1# terminal box 33,3# rubber absorbers 34,2# terminal box 35 and 4# rubber absorbers 36 form.Wherein 1# fixes square tube 29 and 2# to fix square tube 30 structure identical, and 1# rubber absorbers 31,2# rubber absorbers 32,3# rubber absorbers 34 are identical with 4# rubber absorbers 36 structure, and 1# terminal box 33 is identical with 2# terminal box 35 structure.The special counter-rotating axial fan assembly 22 in tunnel is outsourcing piece, and model is SFD-I-No5.6.
Ring flange on the left of ring flange on the right side of tunnel blower entrance guiding cover 23 and tunnel blower Inlet muffler kuppe 24 is bolted to connection, ring flange on the left of ring flange on the right side of tunnel blower Inlet muffler kuppe 24 and tunnel blower entrance blower fan group 25 is bolted to connection, ring flange on the left of ring flange on the right side of tunnel blower entrance blower fan group 25 and tunnel blower list blower fan group 26 is bolted to connection, ring flange on the right side of tunnel blower list blower fan group 26 and the ring flange on the left of tunnel blower silencer for air outlet kuppe 27 are bolted to connection, ring flange on the left of ring flange on the right side of tunnel blower silencer for air outlet kuppe 27 and tunnel blower air outlet flange 28 is bolted to connection.1# rubber absorbers 31 lower end is fixed square tube 30 by bolt with 2# and is connected, and upper end is connected with tunnel blower Inlet muffler kuppe 24 by bolt.2# rubber absorbers 32 lower end is fixed square tube 30 by bolt with 2# and is connected, and upper end is connected with tunnel blower entrance blower fan group 25 by bolt.3# rubber absorbers 34 lower end is fixed square tube 30 by bolt with 2# and is connected, and upper end is connected with tunnel blower list blower fan group 26 by bolt.4# rubber absorbers 36 lower end is fixed square tube 30 by bolt with 2# and is connected, and upper end is connected with tunnel blower silencer for air outlet kuppe 27 by bolt.1# fixes square tube 29 and 2#, and to fix square tube 30 structure identical, and 1# fixes in square tube 29 and is also connected with 4 rubber absorbers, and installation site and 1# rubber absorbers 31,2# rubber absorbers 32,3# rubber absorbers 34,4# rubber absorbers 36 are symmetrical.1# terminal box 33 is welded on the cylindrical side of tunnel blower entrance blower fan group 25, and 2# terminal box 35 is welded on the cylindrical side of tunnel blower list blower fan group 26.
Consult Figure 10, motor-driven coupling arrangement 7 is made up of 1# drive motor fixing tool jig 37,1# motor assembly 38, torque transmitter assembly 39,2# motor assembly 40,2# drive motor fixing tool jig 41 and T-slot platform 42.Wherein 1# drive motor fixing tool jig 37 is identical with 2# drive motor fixing tool jig 41 structure, and 1# motor assembly 38 is identical with 2# motor assembly 40 structure.
T-slot platform 42 is arranged on ground 1 by bolt, and 1# drive motor fixing tool jig 37, torque transmitter assembly 39 and 2# drive motor fixing tool jig 41 are arranged on the upper surface of T-slot platform 42 by T-shaped bolt.Elastic support in 1# motor assembly 38 is fixedly connected with the shackle plate that connects in 1# drive motor fixing tool jig 37 by bolt.Torque transmitter assembly 39 is rotationally connected by keyway and 1# motor assembly 38 and 2# motor assembly 40.Elastic support in 2# motor assembly 40 is fixedly connected with the shackle plate that connects in 2# drive motor fixing tool jig 41 by bolt.
Consult Figure 11, pantograph contact line relation testing table is from factory building 380V, the power taking of 580A alternating current, 1500V is become with auxiliary compensation transformer through starting, after the alternating current of 250A, whole through two quadrant rectifier is direct current, become alternating current rear drive 1# motor assembly 38 through four-quadrant inverter again to work, 1# motor assembly 38 drives 2# motor assembly 40 to move as drive motor, again through four-quadrant inverter by alternating current the whole alternating current for again direct current to be become 1770V after direct current through four-quadrant rectifier, 550V is become again through transformer, the alternating current of 1000A leads to after vacuum circuit breaker accompanies in examination pantograph 19, 550V, the high-tension electricity of 1000A is can simulate actual track to run the high-tension electricity that the contact net of speed per hour when being 380km/h pass through, examination pantograph 19 is accompanied to contact with high-tension bus-bar, the high-tension bus-bar other end contacts with tested pantograph, tested pantograph passes through vacuum circuit breaker, the alternating current of 1770V is become after transformer, whole through two quadrant rectifier is again after direct current, become interchange through four-quadrant inverter and lead to 1# motor assembly 38, so just can form a closed-loop system, the electric energy that system consumes after running well provides with auxiliary compensation transformer by starting.
The principle of work of pantograph contact line relation testing table:
Actual track being run the track spectrum collected is input in 14 actuator in 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 as instruction, 1# 6-dof motion platform 16 and 2# 6-dof motion platform 17 just can simulate the line condition of car body when actual track runs, thus can reappear the operation attitude of pantograph in actual track operation completely.Master assembly 8 in six degree of freedom simulating grid device 3 rotates around speed reduction unit rotating shaft under motor drives, 6 actuator fuel feeding in six-freedom motion mechanism actuator assembly 11 given by Hexamermis spp separator 14, the motion of 6 actuator can drive master assembly 8 to move, and master assembly 8 can the six-freedom degree of simulating contact net.Master assembly 8 not only can rotate around speed reduction unit rotating shaft, can also realize the motion of six-freedom degree, therefore can reappear the operation attitude of contact net in actual track operation.Air-flow when water conservancy diversion spout 20 in Simulated gas flow type fan assembly 6 provides actual track to run to the test car body pantograph tested pantograph run in attitude-simulating assembly 4 suffered by pantograph.After starting switch in closed-chamber between 380V high-tension electricity and 1# motor assembly 38, whole Circuits System starts running, high-tension bus-bar in six degree of freedom simulating grid device 3 flows continuously through 550V, the high-tension electricity of 1000A, can provide and can simulate actual track and run the high-tension electricity that the contact net of speed per hour when being 380km/h pass through.Therefore pantograph contact line relation testing table can simulate pantograph contact line relation when actual track runs.
Claims (9)
1. a pantograph contact line relation testing table, run attitude-simulating assembly (4) by ground (1), portal frame (2), six degree of freedom simulating grid device (3), test car body pantograph, accompanied examination pantograph assembly (5), Simulated gas flow type fan assembly (6) and motor-driven coupling arrangement (7) to form, it is characterized in that:
Described portal frame (2) is mounted by means of bolts on ground (1), and described six degree of freedom simulating grid device (3) is fixedly mounted on the both sides of gantry right side uprights of portal frame (2) by the lower floor of six-freedom motion mechanism diagonal brace fixed support (12) of bottom; Described accompanying tries the both sides of pantograph assembly (5) by accompanying examination pantograph bracing frame (18) to be fixedly mounted on gantry right side uprights of portal frame (2), accompanies the slide plate of examination pantograph (19) of accompanying in examination pantograph assembly (5) can to contact with the high-tension bus-bar in six degree of freedom simulating grid device (3) when both installation sites must ensure rising bow; Described test car body pantograph is run attitude-simulating assembly (4) and is arranged on ground (1) by vertical, the vertical and horizontal actuator in the 6-dof motion platform of bottom, and the slide plate of the tested pantograph run in attitude-simulating assembly (4) by the installation site warranty test car body pantograph of adjustment six degree of freedom simulating grid device (3) can be contacted with the high-tension bus-bar in six degree of freedom simulating grid device (3); The special counter-rotating axial fan assembly (22) in tunnel in described Simulated gas flow type fan assembly (6) is mounted by means of bolts on the horizontal gird of portal frame (2), the top that square tube (21) is mounted by means of bolts on the gantry upright post of portal frame (2) is fixed in blower fan upper end in Simulated gas flow type fan assembly (6), and installation site can ensure that water conservancy diversion spout (20) is just running the tested pantograph traffic direction in attitude-simulating assembly (4) to test car body pantograph; Described motor-driven coupling arrangement (7) is mounted by means of bolts on ground (1).
2., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
Described six degree of freedom simulating grid device (3) is made up of master assembly (8), six-freedom motion mechanism upper strata frame assembly (9), reduction gearing box assembly (10), six-freedom motion mechanism actuator assembly (11), lower floor of six-freedom motion mechanism diagonal brace fixed support (12), lower floor of six-freedom motion mechanism support frame assembly (13) and Hexamermis spp separator (14);
Lower floor of described six-freedom motion mechanism diagonal brace fixed support (12) comprises a left side for two structural symmetry, right side lower floor of six-freedom motion mechanism diagonal brace fixed support, the lower surface welded and installed of lower floor of described six-freedom motion mechanism support frame assembly (13) is on lower floor of six-freedom motion mechanism diagonal brace fixed support (12) upper surface, lower floor of six-freedom motion mechanism support frame assembly (13) is an equilateral triangle framework, the bottom of 6 actuator in described six-freedom motion mechanism actuator assembly (11) is arranged on the upper surface at three angles of lower floor of six-freedom motion mechanism support frame assembly (13) respectively by ball hinged support assembly bottom actuator, described six-freedom motion mechanism upper strata frame assembly (9) is a regular hexagon framework, the top of 6 actuator in described six-freedom motion mechanism actuator assembly (11) is arranged on respectively by actuator upper end ball hinged support assembly on the lower surface at orthohexagonal three angles, three dihedrals become an equilateral triangle, to misplace 60 ° of angles with the equilateral triangle of lower floor of six-freedom motion mechanism support frame assembly (26), described six-freedom motion mechanism upper strata frame assembly (9), six-freedom motion mechanism actuator assembly (11) and lower floor of six-freedom motion mechanism support frame assembly (13) composition stewart platform, described Hexamermis spp separator (14) comprises 6 oil-outs and 6 oil-ins, 6 oil-outs are connected with 6 actuator respectively, speed reduction unit upper surface in described reduction gearing box assembly (10) is fixedly connected by the lower surface of bolt and six-freedom motion mechanism upper strata frame assembly (9), wheel hub in described master assembly (8) is fixedly connected by the speed reduction unit rotating shaft in key and reduction gearing box assembly (10), reduction gearing box assembly (10) drives the master in master assembly (8) to rotate, by controlling the long stroke of bar of 6 actuator in six-freedom motion mechanism actuator assembly (11), control the athletic posture of master assembly (8), thus simulate the attitude of contact net in actual track operation.
3., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
Described test car body pantograph is run attitude-simulating assembly (4) and is made up of test car body half car quality simulating device (15), 1# 6-dof motion platform (16) and 2# 6-dof motion platform (17), test car body pantograph runs the wheel of the bogie in attitude-simulating assembly (4) by bottom is fixedly mounted on 1# 6-dof motion platform (16) and 2# 6-dof motion platform (17) motion platform upper surface to jig, described 1# 6-dof motion platform (16) and 2# 6-dof motion platform (17) or by can directly track be replaced the incentive action of car body other testing tables with identical function on wheel track, the tested pantograph that test car body pantograph runs attitude-simulating assembly (4) top contacts with the high-tension bus-bar in six degree of freedom simulating grid device (3) under rising bow state, actual track being run the track spectrum collected is input in 14 actuator in 1# 6-dof motion platform (16) and 2# 6-dof motion platform (17) as instruction, 1# 6-dof motion platform (16) and the line condition of 2# 6-dof motion platform (17) simulation car body when actual track runs, thus reappear the operation attitude of pantograph in actual track operation completely.
4., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
Described accompanies examination pantograph assembly (5) by accompanying examination pantograph bracing frame (18) and accompanying examination pantograph (19) to form;
Describedly accompany examination pantograph (19) try pantograph bracing frame (18) upper surface by 3 pantograph support insulators of bottom and be connected with accompanying, accompany and try to accompany the slide plate trying pantograph (19) can to contact with the high-tension bus-bar in six degree of freedom simulating grid device (3) when pantograph bracing frame (18) must ensure rising bow with the installation site of six degree of freedom simulating grid device (3).
5., according to pantograph contact line relation testing table according to claim 4, it is characterized in that:
Described accompany examination pantograph bracing frame (18) be square tubes soldering part, examination pantograph bracing frame (18) upper part is accompanied to be the L-type structure be made up of double square tube, comprise 2 horizontal rectangular pipes, 2 longitudinal rectangular pipes, 4 short square tubes of transverse direction and 4 short square tube compositions of longitudinal direction, 4 rectangular pipes form two L-types, 2 L link together by 8 short square tubes, and the two ends of 8 short square tubes are all welded on the inner side end of rectangular pipe, accompany the center section structure of examination pantograph bracing frame (18) similar to upper part, both by 6 vertical square tubes solderings together, two vertical square tubes in left side are the longest, four uniform steel plates are all welded with inside each square tube, steel plate is drilled with threaded hole, examination pantograph bracing frame (18) will be accompanied to be fixedly mounted on the both sides of gantry right side uprights of portal frame 2 by bolt, center section structure and the upper part structure of accompanying examination pantograph bracing frame (18) are angular cut unlike 2 longitudinal rectangular pipe end faces, this end face welds together with the side of 2 the vertical square tubes being positioned at L-type junction, the other end of this longitudinal rectangular pipe welds together respectively by 2 longitudinal rectangular pipes on 2 short vertical channel-section steels and upper strata, two vertical square tube bottoms in left side weld together respectively by two oblique channel-section steels and two middle vertical channel-section steels.
6., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
Described Simulated gas flow type fan assembly (6) is fixed the special counter-rotating axial fan assembly (22) of square tube (21) and tunnel by water conservancy diversion spout (20), blower fan upper end and is formed; The special counter-rotating axial fan assembly (22) in described tunnel is mounted by means of bolts on the horizontal gird of portal frame (2), air draught when the gas simulation actual track that water conservancy diversion spout (20) sprays runs is on the impact of pantograph, the upper surface of the tunnel blower air outlet flange (28) in the special counter-rotating axial fan assembly (22) of the bend pipe end face of water conservancy diversion spout (20) bottom and tunnel is welded and fixed, and blower fan upper end is fixed the Plate Welding that square tube (21) stretched out by 2 vertical square tubes and water conservancy diversion spout (20) both sides and fixed.
7., according to pantograph contact line relation testing table according to claim 6, it is characterized in that:
Described water conservancy diversion spout (20) front end is the long trough structure of a Flat belt grid, both sides are welded with 2 symmetrical rectangular steel plates, square tube (21) is fixed in order to weld blower fan upper end, water conservancy diversion spout (20) rear end is a coupling bend, be welded and fixed with the upper surface of tunnel blower air outlet flange (28), be a flat trumpet-shaped hollow tubular in the middle of water conservancy diversion spout (20), in order to the bend pipe of the spout and rear end that connect water conservancy diversion spout (20) front end;
The bottom that square tube (21) is fixed in described blower fan upper end is 2 horizontal rectangular pipes, the bottom surface at 2 horizontal rectangular pipe two ends is respectively welded with one piece of rectangular steel plates, the top that square tube (21) is fixed on the gantry upright post of portal frame (2) is fixed by bolt in blower fan upper end by rectangular steel plates, the medial side face of 2 horizontal rectangular pipes is welded with a short square tube of longitudinal direction, 2 horizontal rectangular pipes are linked together, the upper surface of 1 horizontal rectangular pipe is welded with two symmetrical vertical square tubes, the top of vertical square tube is welded with rectangular steel plates, this rectangular steel plates is welded in the rectangular steel plates of water conservancy diversion spout (20) both sides, the side of 2 vertical square tubes is respectively welded with an oblique pull square tube, the other end of this oblique pull square tube welds with another horizontal rectangular pipe, increase the intensity of vertical square tube.
8., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
1# motor assembly (38) in described motor-driven coupling arrangement (7) is connected with the 380V alternating current in factory building with two quadrant rectifier by four-quadrant inverter, 2# motor assembly (40) is tried accompanying in pantograph assembly (5) by four-quadrant inverter and four-quadrant rectifier and tries pantograph (19) and be connected with accompanying, examination pantograph (19) is accompanied to contact with the high-tension bus-bar in six degree of freedom simulating grid device (3), the pantograph that the high-tension bus-bar other end runs in attitude-simulating assembly (4) with test car body pantograph contacts, the tested pantograph that test car body pantograph is run in attitude-simulating assembly (4) is connected with 1# motor assembly (38) with four-quadrant inverter by two quadrant rectifier again, form 1 closed-loop path.
9., according to pantograph contact line relation testing table according to claim 1, it is characterized in that:
Described pantograph contact line relation testing table is from factory building 380V, the power taking of 580A alternating current, 1500V is become with auxiliary compensation transformer through starting, after the alternating current of 250A, whole through two quadrant rectifier is direct current, alternating current rear drive 1# motor assembly (38) work is become again through four-quadrant inverter, 1# motor assembly (38) drives 2# motor assembly (40) motion as drive motor, again through four-quadrant inverter by alternating current the whole alternating current for again direct current to be become 1770V after direct current through four-quadrant rectifier, 550V is become again through transformer, the alternating current of 1000A leads to after vacuum circuit breaker accompanies in examination pantograph (19), examination pantograph (19) is accompanied to contact with high-tension bus-bar, the high-tension bus-bar other end contacts with tested pantograph, tested pantograph passes through vacuum circuit breaker, the alternating current of 1770V is become after transformer, whole through two quadrant rectifier is again after direct current, become interchange through four-quadrant inverter and lead to 1# motor assembly (38), so just form a closed-loop system, the electric energy that system consumes after running well provides with auxiliary compensation transformer by starting.
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| CN201520281632.XU CN204595122U (en) | 2015-05-04 | 2015-05-04 | Pantograph contact line relation testing table |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793088A (en) * | 2015-05-04 | 2015-07-22 | 长春速建新技术开发有限公司 | Pantograph-catenary relation test bed |
| CN107390094A (en) * | 2017-06-19 | 2017-11-24 | 北京交通大学 | The offline Discharge Simulation experimental rig of bow net |
| CN110082230A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | A kind of pantograph fatigue experimental device |
| 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 |
-
2015
- 2015-05-04 CN CN201520281632.XU patent/CN204595122U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793088A (en) * | 2015-05-04 | 2015-07-22 | 长春速建新技术开发有限公司 | Pantograph-catenary relation test bed |
| CN104793088B (en) * | 2015-05-04 | 2017-06-09 | 长春速建新技术开发有限公司 | 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 |
| CN110082230A (en) * | 2019-06-03 | 2019-08-02 | 西南交通大学 | A kind of pantograph fatigue experimental device |
| CN110082230B (en) * | 2019-06-03 | 2024-04-12 | 西南交通大学 | Pantograph fatigue test device |
| 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 |
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