CN108528221A - A kind of long-life driving method of railway locomotive - Google Patents
A kind of long-life driving method of railway locomotive Download PDFInfo
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- CN108528221A CN108528221A CN201810317675.7A CN201810317675A CN108528221A CN 108528221 A CN108528221 A CN 108528221A CN 201810317675 A CN201810317675 A CN 201810317675A CN 108528221 A CN108528221 A CN 108528221A
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- pantograph
- electromagnetic clutch
- pressure
- telescopic rod
- speed
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008859 change Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000004663 powder metallurgy Methods 0.000 description 7
- 238000004512 die casting Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
- B60L5/205—Details of contact bow with carbon contact members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using AC induction motors
- B60L9/24—Electric propulsion with power supply external to the vehicle using AC induction motors fed from AC supply lines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of long-life driving methods of railway locomotive comprising following steps：The installation of S1, pantograph；The installation of S2, electromagnetic clutch；S3, electric energy dress change；The measurement of S4, speed and pressure；The adjusting of S5, pantograph；The adjusting of S6, electromagnetic clutch.The driving method of the present invention controls the lifting of electric telescopic rod by PLC controller by examinations speed and pressure condition, and the keying of electromagnetic clutch adjusts the operation of driving device, achievees the purpose that the long-life uses.
Description
Technical field
The present invention relates to railway locomotive actuation techniques fields, more specifically, more particularly, to a kind of railway locomotive
Long-life driving method.
Background technology
With the development of present science and technology, China express railway rolling stock is quickly grown, and is gradually realized by tradition
Steam locomotive draws the conversion to internal combustion engine, electric propulsion.High speed rail vehicles Traction Drive is mostly that electric propulsion passes
Flowing mode, and so-called mode of electric drive is exactly that externally input electric energy or the energy itself generated are passed through a whole set of
Electric energy is converted and transmission device, realizes the conversion of electric energy and mechanical energy, is advanced to complete driving traction locomotive with this.
The driving device of high-speed railway locomotive is by pantograph, transformer, four-quadrant rectifier, inverter, traction electric machine, tooth
Wheel transmission case, axle and this several part of wheel collectively constitute, and high-speed railway locomotive receives electricity during traveling, by pantograph
The high-voltage electricity of net, and by the transfer process of AC-DC-exchange after, drive traction electric machine rotation, to drive railway locomotive
Operation.
High-speed railway locomotive in the process of running, due to being frequently necessary to the environment such as ascents and descents and access tunnel, this
It is easy for that pantograph and the frictional force of power grid is caused to increase, and then pantograph is caused to be damaged, on the other hand, in the mistake of speed abruptly increase
Cheng Zhong, the rotating speed of motor can not effectively be applicable in the cataclysm of speed, easily lead to motor damage, need often to high-speed railway
The pantograph and traction electric machine of locomotive repair replacement, are unfavorable for the long-life operation of driving device.
Invention content
The purpose of the present invention is to solve the technical problems existing in the prior art, and a kind of railway locomotive proposed is used
Long-life driving method, by the way that speed information and road information are passed to the electric telescopic rod in pantograph, control by
Contact of the pantograph with power grid is prevented from leading to increased friction between pantograph and power grid in excessive velocities, while effectively being avoided
The influence that the increase of vehicle external pressure generates pantograph when process of passing through tunnel, by electromagnetic clutch in speed abruptly increase or the process to die-off
In, the connection between motor and reduction box is cut off, the damage of motor is effectively avoided, reaches the fortune of driving device long-life
Row.
To achieve the above object, the present invention provides the following technical solutions：
A kind of long-life driving method of railway locomotive, includes the following steps：
The installation of S1, pantograph：Electric telescopic rod is first installed on to the top of locomotive car body, and by floor installation in electronic
The telescopic end of telescopic rod, pedestal are connected by lower guide rod and top guide bar with slide plate, and slide plate fits with power network line, and will be electronic
Telescopic rod is electrical connected with PLC controller, realizes that pantograph effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine is connected with driving gear, by friction plate be placed on from
Between moving gear and driving gear, coil is installed in the end side of friction plate, coil is connected with external slip ring and brush, is passed through
Driven gear and gearbox and driving gear are rotatablely connected respectively, realize the accurate installation of electromagnetic clutch；
S3, electric energy dress change：The electric energy that pantograph in S1 receives is depressured by transformer, then passes through reorganizer
It is direct current by AC conversion, the alternating current of pressure-adjustable frequency modulation is converted into using inverter, realizes and turn High Level AC Voltage
Become the alternating current of pressure-adjustable frequency modulation workable for traction electric machine, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate and power grid is collected by pressure sensor, passes through survey
Fast instrument collects the data of speed operation, and passes data to PLC controller, realizes and becomes to pressure condition, speed and speed
Change situation to be collected, facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is less than 70N, PLC controller controls electric telescopic rod elongation,
When pressure is more than 90N, PLC controller controls electric telescopic rod and shrinks, when the speed collected in S4 is more than 400km/h, PLC controls
Device controls electric telescopic rod and shrinks, and fully controls pressure and frictional force between pantograph and power grid, prevents pantograph from damaging；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is more than 45m/s, PLC controller control
Electromagnetic clutch is stopped.
Preferably, further include step S7 after step S6：Traction electric machine and gearbox are separated, until the change of speed
When changing rate between 10m/s-45m/s, PLC controller controls electromagnetic clutch and starts to work, and prevents velocity variations are excessive from leading
The traction electric machine of cause damages, and realizes that the long-life uses.
The driving method uses a kind of long-life driving device of high-speed railway locomotive, including pantograph, electromagnetism
The top of clutch and tachymeter, the pantograph is provided with slide plate, and the lower part of the slide plate is connected with pedestal, the pedestal
Lower part is equipped with electric telescopic rod, and the inside of the electric telescopic rod is equipped with pressure sensor, and the pantograph is electrically connected
There are traction electric machine, the driving end of the traction electric machine to be connected with driving gear, the end side of the driving gear passes through driven gear
It is connected with electromagnetic clutch, the driven gear is rotatably connected to gearbox, and the gearbox is rotatably connected to axle, the vehicle
The side of axis is equipped with tachymeter, and the electric telescopic rod, pressure sensor, electromagnetic clutch and tachymeter are controlled with PLC respectively
Device processed is electrical connected.
Preferably, the electromagnetic clutch is internally provided with friction plate, and the end side of the friction plate is provided with coil.
Preferably, transformer, rectifier and inverter, the transformer are provided between the pantograph and traction electric machine
It is electrical connected with rectifier.
Preferably, the rectifier is electrical connected with inverter, and the rectifier is arranged using four-quadrant rectifier.
Preferably, top guide bar and lower guide rod are provided between the slide plate and pedestal, the top guide bar is installed on slide plate
Lower part, the pedestal are connected by lower guide rod with top guide bar.
Preferably, the end side of the electromagnetic clutch is connected with slip ring, and the side of the slip ring is provided with brush.
Preferably, in order to extend the service life of pantograph, reduce the mechanical wear between slide plate and conducting wire, improve slide plate
Temperature classification, the slide plate manufactured by the way of powder metallurgy, and material is the mixing of copper powder, Graphene powder etc.
Object.The mass percent b1 of the copper powder is 86-92%, and the mass percent b2 of the carbon dust is 8-14%.
Preferably, the slide plate is fine and close and resistivity is small in order to make, and improves it and carries the size of conductive current, using powder
Pressure P when last metallurgical mode carries out die casting is 876-984MPa, and sintering temperature T is 950-1100 DEG C.
Preferably, the quality hundred of the pressure P when die casting, sintering temperature T, the mass percent b1 of copper powder and carbon dust
Divide and meets relationship than b2：
Wherein, λ is pressure coefficient, value range 5.1-11.2；Its unit is MPa/ DEG C.
Compared with prior art, technique effect of the invention and advantage：
1, the long-life driving method of railway locomotive of the invention, by passing to speed information and road information
Electric telescopic rod in pantograph, contact of the control pantograph with power grid, prevents from leading to pantograph and power grid in excessive velocities
Between increased friction, while the influence for effectively avoiding the increase of in process of passing through tunnel vehicle external pressure from generating pantograph
2, the long-life driving method of railway locomotive of the invention in speed abruptly increase or is die-offed by electromagnetic clutch
In the process, the connection between motor and reduction box is cut off, effectively avoids the damage of motor, reach the driving device long-life
Operation.
3, the long-life driving method of railway locomotive of the invention, slide plate is manufactured by using the mode of powder metallurgy,
And the ratio of its material is selected, extend the service life of pantograph, reduce the mechanical wear between slide plate and conducting wire, improves slide plate
Temperature classification.
4, the long-life driving method of railway locomotive of the invention, pressure P, sintering when by the setting die casting
Relationship between temperature T, the mass percent b1 of copper powder and the mass percent b2 of carbon dust is carried with reducing the resistivity of slide plate
High its carries the size of conductive current, extends its service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the long-life driving device of the railway locomotive of the present invention；
Fig. 2 is the aqueduct structure schematic diagram of the long-life driving device of the railway locomotive of the present invention；
Fig. 3 is the drain valve structural schematic diagram of the long-life driving device of the railway locomotive of the present invention；
Fig. 4 is the flow diagram of the long-life driving method of the railway locomotive of the present invention.
In figure：1, pantograph；2, electromagnetic clutch；3, tachymeter；4, slide plate；5, pedestal；6, electric telescopic rod；7, pressure
Sensor；8, traction electric machine；9, driving gear；10, driven gear；11, friction plate；12, coil；13, gearbox；14, axle；
15, PLC controller；16, transformer；17, rectifier；18, inverter；19, top guide bar；20, lower guide rod；21, slip ring；22, electric
Brush.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in figure 4, a kind of long-life driving method of railway locomotive, includes the following steps：
The installation of S1, pantograph：Electric telescopic rod 6 is first installed on to the top of locomotive car body, and pedestal 5 is installed on electricity
The telescopic end of dynamic telescopic rod 6, pedestal 5 are connected by lower guide rod 20 and top guide bar 19 with slide plate 4, and slide plate 4 is affixed with power network line
It closes, and electric telescopic rod 6 and PLC controller 15 is electrical connected, realize that pantograph 1 effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine 8 is connected with driving gear 9, friction plate 11 is placed
Between driven gear 10 and driving gear 9, coil 12 is installed in the end side of friction plate 11, by coil 12 and external slip ring 21
It is connected with brush 22, by the way that driven gear 10 and gearbox 13 and driving gear 9 to be rotatablely connected respectively, realizes electromagnetic clutch
2 accurate installation；
S3, electric energy dress change：The electric energy that pantograph in S1 1 receives is depressured by transformer 16, then by whole
It is direct current that device 17, which is managed, by AC conversion, and the alternating current of pressure-adjustable frequency modulation is converted into using inverter 18, is realized high pressure
Alternating current is changed into the alternating current of pressure-adjustable frequency modulation workable for traction electric machine 8, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate 4 and power grid is collected by pressure sensor 7, is passed through
Tachymeter 3 collects the data of speed operation, and passes data to PLC controller 15, realizes to pressure condition, speed and speed
Degree situation of change is collected, and facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is less than 70N, PLC controller 15 controls electric telescopic rod 6 and stretches
Long, when pressure is more than 90N, PLC controller 15 controls electric telescopic rod 6 and shrinks, when the speed collected in S4 is more than 400km/h,
PLC controller 15 controls electric telescopic rod 6 and shrinks, and fully controls pressure and frictional force between pantograph 1 and power grid, prevents
Pantograph 1 is damaged；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is more than 45m/s, PLC controller 15 is controlled
Electromagnetic clutch 2 processed is stopped.
As shown in Figs. 1-3, the driving method uses a kind of long-life driving device of railway locomotive, including by electricity
Bow 1, electromagnetic clutch 2 and tachymeter 3, the top of the pantograph 1 are provided with slide plate 4, and the lower part of the slide plate 4 is connected with bottom
Seat 5, the lower part of the pedestal 5 is equipped with electric telescopic rod 6, and the inside of the electric telescopic rod 6 is equipped with pressure sensor 7,
The pantograph 1 is electrically connected with traction electric machine 8, and the driving end of the traction electric machine 8 is connected with driving gear 9, the active
The end side of gear 9 is connected with electromagnetic clutch 2 by driven gear 10, and the electromagnetic clutch 2 is internally provided with friction plate
11, friction plate 11 is made of ferrous metal, and the end side of the friction plate 11 is provided with coil 12, and magnetic force is generated for being powered,
The driven gear 10 is rotatably connected to gearbox 13, and the gearbox 13 is rotatably connected to axle 14, and the one of the axle 14
Side is equipped with tachymeter 3, and the electric telescopic rod 6, pressure sensor 7, electromagnetic clutch 2 and tachymeter 3 are controlled with PLC respectively
Device 15 is electrical connected.
Transformer 16, rectifier 17 and inverter 18, the transformation are provided between the pantograph 1 and traction electric machine 8
Device 16 is electrical connected with rectifier 17, and the rectifier 17 is electrical connected with inverter 18, and the rectifier 17 uses four-quadrant
Rectifier setting is limited, electricity consumption is used convenient for power grid high-voltage electricity is converted to traction electric machine 8.
Top guide bar 19 and lower guide rod 20 are provided between the slide plate 4 and pedestal 5, the top guide bar 19 is installed on slide plate 14
Lower part, the pedestal 5 is connected by lower guide rod 20 with top guide bar 19, and the fixation and adjusting of slide plate 4 are facilitated.
The end side of the electromagnetic clutch 2 is connected with slip ring 21, and the side of the slip ring 21 is provided with brush 22, is convenient for
It powers to coil 12, generates magnetic force and attract friction plate movement.
Embodiment 2
As shown in figure 4, a kind of long-life driving method of railway locomotive, includes the following steps：
The installation of S1, pantograph：Electric telescopic rod 6 is first installed on to the top of locomotive car body, and pedestal 5 is installed on electricity
The telescopic end of dynamic telescopic rod 6, pedestal 5 are connected by lower guide rod 20 and top guide bar 19 with slide plate 4, and slide plate 4 is affixed with power network line
It closes, and electric telescopic rod 6 and PLC controller 15 is electrical connected, realize that pantograph 1 effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine 8 is connected with driving gear 9, friction plate 11 is placed
Between driven gear 10 and driving gear 9, coil 12 is installed in the end side of friction plate 11, by coil 12 and external slip ring 21
It is connected with brush 22, by the way that driven gear 10 and gearbox 13 and driving gear 9 to be rotatablely connected respectively, realizes electromagnetic clutch
2 accurate installation；
S3, electric energy dress change：The electric energy that pantograph in S1 1 receives is depressured by transformer 16, then by whole
It is direct current that device 17, which is managed, by AC conversion, and the alternating current of pressure-adjustable frequency modulation is converted into using inverter 18, is realized high pressure
Alternating current is changed into the alternating current of pressure-adjustable frequency modulation workable for traction electric machine 8, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate 4 and power grid is collected by pressure sensor 7, is passed through
Tachymeter 3 collects the data of speed operation, and passes data to PLC controller 15, realizes to pressure condition, speed and speed
Degree situation of change is collected, and facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is 60N, PLC controller 15 controls electric telescopic rod 6 and extends,
When the speed collected in S4 is 350km/h, 15 attonity of PLC controller, fully control the pressure between pantograph 1 and power grid with
And frictional force, prevent pantograph 1 from damaging；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is 46m/s, PLC controller 15 controls
Electromagnetic clutch 2 is stopped, and traction electric machine 8 and gearbox 13 are separated, until the rate of change of speed is in 10m/s-
When between 45m/s, PLC controller 15 controls electromagnetic clutch 2 and starts to work, traction electric machine caused by preventing velocity variations excessive
8 damages realize that the long-life uses.
A kind of long-life driving device of railway locomotive, including pantograph 1, electromagnetic clutch 2 and tachymeter 3, it is described
The top of pantograph 1 is provided with slide plate 4, and the lower part of the slide plate 4 is connected with pedestal 5, and the lower part of the pedestal 5 is equipped with electronic
The inside of telescopic rod 6, the electric telescopic rod 6 is equipped with pressure sensor 7, and the pantograph 1 is electrically connected with traction electric machine
8, the driving end of the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 is connected by driven gear 10
There are electromagnetic clutch 2, the electromagnetic clutch 2 to be internally provided with friction plate 11, friction plate 11 is made of ferrous metal, institute
The end side for stating friction plate 11 is provided with coil 12, generates magnetic force for being powered, the driven gear 10 is rotatably connected to gearbox
13, the gearbox 13 is rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter 3, the electric telescopic rod
6, pressure sensor 7, electromagnetic clutch 2 and tachymeter 3 are electrical connected with PLC controller 15 respectively.
Transformer 16, rectifier 17 and inverter 18, the transformation are provided between the pantograph 1 and traction electric machine 8
Device 16 is electrical connected with rectifier 17, and the rectifier 17 is electrical connected with inverter 18, and the rectifier 17 uses four-quadrant
Rectifier setting is limited, electricity consumption is used convenient for power grid high-voltage electricity is converted to traction electric machine 8.
Top guide bar 19 and lower guide rod 20 are provided between the slide plate 4 and pedestal 5, the top guide bar 19 is installed on slide plate 14
Lower part, the pedestal 5 is connected by lower guide rod 20 with top guide bar 19, and the fixation and adjusting of slide plate 4 are facilitated.
The end side of the electromagnetic clutch 2 is connected with slip ring 21, and the side of the slip ring 21 is provided with brush 22, is convenient for
It powers to coil 12, generates magnetic force and attract friction plate movement.
In order to extend the service life of pantograph, reduces the mechanical wear between slide plate and conducting wire, improve the heat-resisting of slide plate
Grade, the slide plate are manufactured by the way of powder metallurgy, and material is the mixture of copper powder, Graphene powder etc..It is described
The mass percent b1 of copper powder is 86-92%, and the mass percent b2 of the carbon dust is 8-14%.
Embodiment 3
As shown in figure 4, a kind of long-life driving method of railway locomotive, includes the following steps：
The installation of S1, pantograph：Electric telescopic rod 6 is first installed on to the top of locomotive car body, and pedestal 5 is installed on electricity
The telescopic end of dynamic telescopic rod 6, pedestal 5 are connected by lower guide rod 20 and top guide bar 19 with slide plate 4, and slide plate 4 is affixed with power network line
It closes, and electric telescopic rod 6 and PLC controller 15 is electrical connected, realize that pantograph 1 effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine 8 is connected with driving gear 9, friction plate 11 is placed
Between driven gear 10 and driving gear 9, coil 12 is installed in the end side of friction plate 11, by coil 12 and external slip ring 21
It is connected with brush 22, by the way that driven gear 10 and gearbox 13 and driving gear 9 to be rotatablely connected respectively, realizes electromagnetic clutch
2 accurate installation；
S3, electric energy dress change：The electric energy that pantograph in S1 1 receives is depressured by transformer 16, then by whole
It is direct current that device 17, which is managed, by AC conversion, and the alternating current of pressure-adjustable frequency modulation is converted into using inverter 18, is realized high pressure
Alternating current is changed into the alternating current of pressure-adjustable frequency modulation workable for traction electric machine 8, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate 4 and power grid is collected by pressure sensor 7, is passed through
Tachymeter 3 collects the data of speed operation, and passes data to PLC controller 15, realizes to pressure condition, speed and speed
Degree situation of change is collected, and facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is 80N, 15 attonity of PLC controller, the vehicle collected in S4
When speed is 410km/h, PLC controller 15 controls electric telescopic rod 6 and shrinks, and fully controls the pressure between pantograph 1 and power grid
And frictional force, prevent pantograph 1 from damaging；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is 40m/s, PLC controller 15 is without dynamic
Make, traction electric machine 8 and gearbox 13 are separated, until when the rate of change of speed is between 10m/s-45m/s, PLC controls
Device 15 controls electromagnetic clutch 2 and starts to work, and traction electric machine 8 caused by preventing velocity variations excessive damages, and realizes that the long-life makes
With.
A kind of long-life driving device of railway locomotive, including pantograph 1, electromagnetic clutch 2 and tachymeter 3, it is described
The top of pantograph 1 is provided with slide plate 4, and the lower part of the slide plate 4 is connected with pedestal 5, and the lower part of the pedestal 5 is equipped with electronic
The inside of telescopic rod 6, the electric telescopic rod 6 is equipped with pressure sensor 7, and the pantograph 1 is electrically connected with traction electric machine
8, the driving end of the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 is connected by driven gear 10
There are electromagnetic clutch 2, the electromagnetic clutch 2 to be internally provided with friction plate 11, friction plate 11 is made of ferrous metal, institute
The end side for stating friction plate 11 is provided with coil 12, generates magnetic force for being powered, the driven gear 10 is rotatably connected to gearbox
13, the gearbox 13 is rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter 3, the electric telescopic rod
6, pressure sensor 7, electromagnetic clutch 2 and tachymeter 3 are electrical connected with PLC controller 15 respectively.
Transformer 16, rectifier 17 and inverter 18, the transformation are provided between the pantograph 1 and traction electric machine 8
Device 16 is electrical connected with rectifier 17, and the rectifier 17 is electrical connected with inverter 18, and the rectifier 17 uses four-quadrant
Rectifier setting is limited, electricity consumption is used convenient for power grid high-voltage electricity is converted to traction electric machine 8.
Top guide bar 19 and lower guide rod 20 are provided between the slide plate 4 and pedestal 5, the top guide bar 19 is installed on slide plate 14
Lower part, the pedestal 5 is connected by lower guide rod 20 with top guide bar 19, and the fixation and adjusting of slide plate 4 are facilitated.
The end side of the electromagnetic clutch 2 is connected with slip ring 21, and the side of the slip ring 21 is provided with brush 22, is convenient for
It powers to coil 12, generates magnetic force and attract friction plate movement.
In order to extend the service life of pantograph, reduces the mechanical wear between slide plate and conducting wire, improve the heat-resisting of slide plate
Grade, the slide plate are manufactured by the way of powder metallurgy, and material is the mixture of copper powder, Graphene powder etc..It is described
The mass percent b1 of copper powder is 86-92%, and the mass percent b2 of the carbon dust is 8-14%.
The slide plate is fine and close and resistivity is small in order to make, and improves it and carries the size of conductive current, using powder metallurgy
Pressure P of mode when carrying out die casting be 876-984MPa, sintering temperature T is 950-1100 DEG C.
Embodiment 4
A kind of long-life driving method of railway locomotive, includes the following steps：
The installation of S1, pantograph：Electric telescopic rod 6 is first installed on to the top of locomotive car body, and pedestal 5 is installed on electricity
The telescopic end of dynamic telescopic rod 6, pedestal 5 are connected by lower guide rod 20 and top guide bar 19 with slide plate 4, and slide plate 4 is affixed with power network line
It closes, and electric telescopic rod 6 and PLC controller 15 is electrical connected, realize that pantograph 1 effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine 8 is connected with driving gear 9, friction plate 11 is placed
Between driven gear 10 and driving gear 9, coil 12 is installed in the end side of friction plate 11, by coil 12 and external slip ring 21
It is connected with brush 22, by the way that driven gear 10 and gearbox 13 and driving gear 9 to be rotatablely connected respectively, realizes electromagnetic clutch
2 accurate installation；
S3, electric energy dress change：The electric energy that pantograph in S1 1 receives is depressured by transformer 16, then by whole
It is direct current that device 17, which is managed, by AC conversion, and the alternating current of pressure-adjustable frequency modulation is converted into using inverter 18, is realized high pressure
Alternating current is changed into the alternating current of pressure-adjustable frequency modulation workable for traction electric machine 8, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate 4 and power grid is collected by pressure sensor 7, is passed through
Tachymeter 3 collects the data of speed operation, and passes data to PLC controller 15, realizes to pressure condition, speed and speed
Degree situation of change is collected, and facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is 100N, PLC controller 15 controls electric telescopic rod 6 and receives
It contracts, when the speed collected in S4 is 300km/h, 15 attonity of PLC controller fully controls the pressure between pantograph 1 and power grid
Power and frictional force prevent pantograph 1 from damaging；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is 50m/s, PLC controller 15 controls
Electromagnetic clutch 2 is stopped, and traction electric machine 8 and gearbox 13 are separated, until the rate of change of speed is in 10m/s-
When between 45m/s, PLC controller 15 controls electromagnetic clutch 2 and starts to work, traction electric machine caused by preventing velocity variations excessive
8 damages realize that the long-life uses.
The driving method uses a kind of long-life driving device of railway locomotive, including pantograph 1, electromagnetic clutch
The top of device 2 and tachymeter 3, the pantograph 1 is provided with slide plate 4, and the lower part of the slide plate 4 is connected with pedestal 5, the pedestal
5 lower part is equipped with electric telescopic rod 6, and the inside of the electric telescopic rod 6 is equipped with pressure sensor 7,1 electricity of the pantograph
Property be connected with traction electric machine 8, the driving end of the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 is logical
It crosses driven gear 10 and is connected with electromagnetic clutch 2, the electromagnetic clutch 2 is internally provided with friction plate 11, and friction plate 11 is adopted
It is made of ferrous metal, the end side of the friction plate 11 is provided with coil 12, and magnetic force, the driven gear 10 are generated for being powered
It is rotatably connected to gearbox 13, the gearbox 13 is rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter
3, the electric telescopic rod 6, pressure sensor 7, electromagnetic clutch 2 and tachymeter 3 are electrical connected with PLC controller 15 respectively.
Transformer 16, rectifier 17 and inverter 18, the transformation are provided between the pantograph 1 and traction electric machine 8
Device 16 is electrical connected with rectifier 17, and the rectifier 17 is electrical connected with inverter 18, and the rectifier 17 uses four-quadrant
Rectifier setting is limited, electricity consumption is used convenient for power grid high-voltage electricity is converted to traction electric machine 8.
Top guide bar 19 and lower guide rod 20 are provided between the slide plate 4 and pedestal 5, the top guide bar 19 is installed on slide plate 14
Lower part, the pedestal 5 is connected by lower guide rod 20 with top guide bar 19, and the fixation and adjusting of slide plate 4 are facilitated.
The end side of the electromagnetic clutch 2 is connected with slip ring 21, and the side of the slip ring 21 is provided with brush 22, is convenient for
It powers to coil 12, generates magnetic force and attract friction plate movement.
In order to extend the service life of pantograph, reduces the mechanical wear between slide plate and conducting wire, improve the heat-resisting of slide plate
Grade, the slide plate are manufactured by the way of powder metallurgy, and material is the mixture of copper powder, Graphene powder etc..It is described
The mass percent b1 of copper powder is 86-92%, and the mass percent b2 of the carbon dust is 8-14%.
The slide plate is fine and close and resistivity is small in order to make, and improves it and carries the size of conductive current, using powder metallurgy
Pressure P of mode when carrying out die casting be 876-984MPa, sintering temperature T is 950-1100 DEG C.
The mass percent b2 of pressure P, sintering temperature T, the mass percent b1 of copper powder and carbon dust when the described die casting
Meet relationship：
Wherein, λ is pressure coefficient, value range 5.1-11.2；Its unit is MPa/ DEG C.
Finally it should be noted that：The foregoing is merely preferred embodiments, are not intended to restrict the invention, although reference
Invention is explained in detail for previous embodiment, for those skilled in the art, still can be to aforementioned each
Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features, the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on are all included in the scope of protection of the present invention.
Claims (5)
1. a kind of long-life driving method of railway locomotive, it is characterised in that：The driving method includes the following steps：
The installation of S1, pantograph：Electric telescopic rod is first installed on to the top of locomotive car body, and by floor installation in electric expansion
The telescopic end of bar, pedestal are connected by lower guide rod and top guide bar with slide plate, and slide plate fits with power network line, and by electric expansion
Bar is electrical connected with PLC controller, realizes that pantograph effectively receives electric energy from power grid；
The installation of S2, electromagnetic clutch：The driving end of traction electric machine is connected with driving gear, friction plate is placed on driven tooth
Between wheel and driving gear, coil is installed in the end side of friction plate, coil is connected with the slip ring of outside and brush, by will be from
Moving gear is rotatablely connected respectively with gearbox and driving gear, realizes the accurate installation of electromagnetic clutch；
S3, electric energy dress change：The electric energy that pantograph in S1 receives is depressured by transformer, then will be handed over by reorganizer
Galvanic electricity is converted into direct current, and the alternating current of pressure-adjustable frequency modulation is converted into using inverter, and High Level AC Voltage is changed by realization
The alternating current of pressure-adjustable frequency modulation workable for traction electric machine, convenient for driving；
The measurement of S4, speed and pressure：The pressure data between slide plate and power grid is collected by pressure sensor, passes through tachymeter
The data of speed operation are collected, and pass data to PLC controller, are realized to pressure condition, speed and velocity variations feelings
Condition is collected, and facilitates subsequent adjustment；
The adjusting of S5, pantograph：When the pressure collected in S4 is less than 70N, PLC controller controls electric telescopic rod elongation, pressure
When more than 90N, PLC controller controls electric telescopic rod and shrinks, when the speed collected in S4 is more than 400km/h, PLC controller control
Electric telescopic rod processed is shunk, and is fully controlled pressure and frictional force between pantograph and power grid, is prevented pantograph from damaging；
The adjusting of S6, electromagnetic clutch：When the rate of change for the speed collected in S4 is more than 45m/s, PLC controller controls electromagnetism
Clutch is stopped.
2. a kind of long-life driving method of railway locomotive according to claim 1, it is characterised in that：Step S6 it
After further include step S7：Traction electric machine and gearbox are separated, until the rate of change of speed is between 10m/s-45m/s
When, PLC controller controls electromagnetic clutch and starts to work, and length is realized in traction electric machine damage caused by preventing velocity variations excessive
Service life uses.
3. a kind of long-life driving method of railway locomotive according to claim 2, it is characterised in that：The driving
Method uses a kind of long-life driving device of railway locomotive, it is characterised in that：The driving device includes pantograph
(1), electromagnetic clutch (2) and tachymeter (3), the top of the pantograph (1) are provided with slide plate (4), under the slide plate (4)
Portion is connected with pedestal (5), and the lower part of the pedestal (5) is equipped with electric telescopic rod (6), the inside of the electric telescopic rod (6)
Pressure sensor (7) is installed, the pantograph (1) is electrically connected with traction electric machine (8), the driving of the traction electric machine (8)
End is connected with driving gear (9), and the end side of the driving gear (9) is connected with electromagnetic clutch (2) by driven gear (10),
The electromagnetic clutch (2) is internally provided with friction plate (11), and the end side of the friction plate (11) is provided with coil (12), institute
It states driven gear (10) and is rotatably connected to gearbox (13), the gearbox (13) is rotatably connected to axle (14), the axle
(14) side is equipped with tachymeter (3), the electric telescopic rod (6), pressure sensor (7), electromagnetic clutch (2) and tests the speed
Instrument (3) is electrical connected with PLC controller (15) respectively.
4. a kind of long-life driving method of railway locomotive according to claim 2 or 3, it is characterised in that：It is described by
Transformer (16), rectifier (17) and inverter (18), the transformer are provided between pantograph (1) and traction electric machine (8)
(16) it is electrical connected with rectifier (17), the rectifier (17) is electrical connected with inverter (18), and the rectifier (17)
It is arranged using four-quadrant rectifier.
5. a kind of long-life driving method of railway locomotive according to claim 3-4, it is characterised in that：The electromagnetism
The end side of clutch (2) is connected with slip ring (21), and the side of the slip ring (21) is provided with brush (22).
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| CN201810317675.7A CN108528221A (en) | 2018-04-10 | 2018-04-10 | A kind of long-life driving method of railway locomotive |
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| CN201810317675.7A CN108528221A (en) | 2018-04-10 | 2018-04-10 | A kind of long-life driving method of railway locomotive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303891A (en) * | 2019-07-17 | 2019-10-08 | 西南交通大学 | Self-lubricating modular metal drum electric locomotive pantograph bow head with shock absorbing structure |
| CN114435139A (en) * | 2022-04-08 | 2022-05-06 | 西南交通大学 | A Magnetic Repulsion Suspended Pantograph |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362306A (en) * | 2001-12-21 | 2002-08-07 | 昆明理工大学 | Manufacture of copper-base pantograph slide plate |
| CN104149632A (en) * | 2014-08-19 | 2014-11-19 | 安徽理工大学 | Three-freedom-degree parallel and series vibration reduction pantograph |
| EP2805863A1 (en) * | 2013-05-03 | 2014-11-26 | Bombardier Transportation GmbH | Drive train for a rail vehicle and method for detecting an overload in a drive train |
| CN105460024A (en) * | 2016-01-05 | 2016-04-06 | 中车株洲电力机车有限公司 | Rack rail vehicle driving device |
| CN205632140U (en) * | 2016-05-24 | 2016-10-12 | 青岛思锐科技有限公司 | Integrate in pantograph lift control of locomotive brake cabinet unit |
| CN106427593A (en) * | 2016-09-30 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail traffic vehicle and adjusting method and system of bow-net contact pressure of rail traffic vehicle |
| CN107002771A (en) * | 2014-09-25 | 2017-08-01 | 南德盘形连轴器制造有限及两合公司 | Coupling device |
-
2018
- 2018-04-10 CN CN201810317675.7A patent/CN108528221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1362306A (en) * | 2001-12-21 | 2002-08-07 | 昆明理工大学 | Manufacture of copper-base pantograph slide plate |
| EP2805863A1 (en) * | 2013-05-03 | 2014-11-26 | Bombardier Transportation GmbH | Drive train for a rail vehicle and method for detecting an overload in a drive train |
| CN104149632A (en) * | 2014-08-19 | 2014-11-19 | 安徽理工大学 | Three-freedom-degree parallel and series vibration reduction pantograph |
| CN107002771A (en) * | 2014-09-25 | 2017-08-01 | 南德盘形连轴器制造有限及两合公司 | Coupling device |
| CN105460024A (en) * | 2016-01-05 | 2016-04-06 | 中车株洲电力机车有限公司 | Rack rail vehicle driving device |
| CN205632140U (en) * | 2016-05-24 | 2016-10-12 | 青岛思锐科技有限公司 | Integrate in pantograph lift control of locomotive brake cabinet unit |
| CN106427593A (en) * | 2016-09-30 | 2017-02-22 | 中车株洲电力机车有限公司 | Rail traffic vehicle and adjusting method and system of bow-net contact pressure of rail traffic vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 刘永华等: "《电气控制与PLC应用技术》", 28 February 2014, 北京航空航天大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303891A (en) * | 2019-07-17 | 2019-10-08 | 西南交通大学 | Self-lubricating modular metal drum electric locomotive pantograph bow head with shock absorbing structure |
| CN110303891B (en) * | 2019-07-17 | 2024-05-28 | 西南交通大学 | Self-lubricating modularized metal roller electric locomotive pantograph head with damping structure |
| CN114435139A (en) * | 2022-04-08 | 2022-05-06 | 西南交通大学 | A Magnetic Repulsion Suspended Pantograph |
| CN114435139B (en) * | 2022-04-08 | 2022-06-17 | 西南交通大学 | Magnetic repulsion type suspension pantograph |
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Application publication date: 20180914 |