CN108297696A - A kind of long-life driving device of high-speed railway locomotive - Google Patents
A kind of long-life driving device of high-speed railway locomotive Download PDFInfo
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- CN108297696A CN108297696A CN201810316465.6A CN201810316465A CN108297696A CN 108297696 A CN108297696 A CN 108297696A CN 201810316465 A CN201810316465 A CN 201810316465A CN 108297696 A CN108297696 A CN 108297696A
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- Prior art keywords
- pantograph
- electromagnetic clutch
- slide plate
- telescopic rod
- long
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- 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
-
- 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
- B60L5/24—Pantographs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/12—Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
- B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
-
- 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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of long-life driving devices of high-speed railway locomotive, including pantograph, electromagnetic clutch and tachymeter, the top of the pantograph is provided with slide plate, the lower part of the slide plate is connected with pedestal, the lower part of the pedestal is equipped with electric telescopic rod, the inside of the electric telescopic rod is equipped with pressure sensor, the pantograph is electrically connected with traction electric machine, the driving end of the traction electric machine is connected with driving gear, the end side of the driving gear is connected with electromagnetic clutch by driven gear, the electromagnetic clutch is internally provided with friction plate, the end side of the friction plate is provided with coil, the driven gear is rotatably connected to gearbox, the gearbox is rotatably connected to axle, the side of the axle is equipped with tachymeter.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 invention belongs to locomotive drive technical fields, more specifically, more particularly, to a kind of high-speed railway locomotive
Long-life driving device.
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 disadvantages existing in the prior art, and a kind of high-speed railway locomotive proposed is used
Long-life driving device, 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 device of high-speed railway locomotive, including pantograph, electromagnetic clutch and tachymeter, it is described
The top of pantograph is provided with slide plate, and the lower part of the slide plate is connected with pedestal, and the lower part of the pedestal is equipped with electric expansion
The inside of bar, the electric telescopic rod is equipped with pressure sensor, and the pantograph is electrically connected with traction electric machine, the traction
The driving end of motor is connected with driving gear, and the end side of the driving gear is connected with electromagnetic clutch by driven gear, institute
It states driven gear and is rotatably connected to gearbox, the gearbox is rotatably connected to axle, and the side of the axle, which is equipped with, tests the speed
Instrument, the electric telescopic rod, pressure sensor, electromagnetic clutch and tachymeter are electrical connected with PLC controller respectively.
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.
The present invention also provides the driving methods of the long-life driving device of high-speed railway locomotive, include 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, and traction electric machine and gearbox are separated, until the rate of change of speed 10m/s-45m/s it
Between when, PLC controller control electromagnetic clutch start to work, prevent velocity variations it is excessive caused by traction electric machine damage, realize
Long-life uses.
Compared with prior art, technique effect of the invention and advantage：
1, the long-life driving device of high-speed railway locomotive of the invention, by passing speed information and road information
Pass the electric telescopic rod in pantograph, contact of the control pantograph with power grid, prevent from causing in excessive velocities pantograph with
Increased friction between power grid, while effectively avoiding the influence that the increase of vehicle external pressure generates pantograph in process of passing through tunnel
2, the long-life driving device of high-speed railway locomotive of the invention, by electromagnetic clutch in speed abruptly increase or suddenly
During subtracting, the connection between motor and reduction box is cut off, the damage of motor is effectively avoided, it is long to reach driving device
The operation in service life.
3, the long-life driving device of high-speed railway locomotive of the invention, cunning is manufactured by using the mode of powder metallurgy
Plate, 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
The temperature classification of slide plate.
4, the long-life driving device of high-speed railway locomotive of the invention, by pressure P when the die casting is set,
Relationship between sintering temperature T, the mass percent b1 of copper powder and the mass percent b2 of carbon dust, to reduce the resistance of slide plate
Rate improves it and carries the size of conductive current, extends its service life.
Description of the drawings
Fig. 1 is the long-life driving device structure schematic diagram of the high-speed railway locomotive of the present invention；
Fig. 2 is the long-life driving device aqueduct structure schematic diagram of the high-speed railway locomotive of the present invention；
Fig. 3 is the long-life driving device drain valve structural schematic diagram of the high-speed 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
The present invention provides a kind of long-life driving devices of high-speed railway locomotive as shown in Figs. 1-3, 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.
The invention also discloses a kind of driving methods of the long-life driving device of high-speed railway locomotive, including walk as follows
Suddenly：
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, 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.
Embodiment 2
A kind of long-life driving device of high-speed railway locomotive, including pantograph 1, electromagnetic clutch 2 and tachymeter 3,
The top of the 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
The inside of electric telescopic rod 6, the electric telescopic rod 6 is equipped with pressure sensor 7, and the pantograph 1 is electrically connected with traction
The driving end of motor 8, the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 passes through driven gear 10
It is connected with electromagnetic clutch 2, the electromagnetic clutch 2 is internally provided with friction plate 11, and friction plate 11 uses ferrous metal system
At the end side of the friction plate 11 is provided with coil 12, generates magnetic force for being powered, the driven gear 10 is rotatably connected to change
Fast case 13, the gearbox 13 are rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter 3, described electronic to stretch
Contracting bar 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 invention also discloses a kind of driving methods of the long-life driving device of high-speed railway locomotive, including walk as follows
Suddenly：
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.
Embodiment 3
A kind of long-life driving device of high-speed railway locomotive, including pantograph 1, electromagnetic clutch 2 and tachymeter 3,
The top of the 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
The inside of electric telescopic rod 6, the electric telescopic rod 6 is equipped with pressure sensor 7, and the pantograph 1 is electrically connected with traction
The driving end of motor 8, the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 passes through driven gear 10
It is connected with electromagnetic clutch 2, the electromagnetic clutch 2 is internally provided with friction plate 11, and friction plate 11 uses ferrous metal system
At the end side of the friction plate 11 is provided with coil 12, generates magnetic force for being powered, the driven gear 10 is rotatably connected to change
Fast case 13, the gearbox 13 are rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter 3, described electronic to stretch
Contracting bar 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 invention also discloses a kind of driving methods of the long-life driving device of high-speed railway locomotive, including walk as follows
Suddenly：
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.
Embodiment 4
A kind of long-life driving device of high-speed railway locomotive, including pantograph 1, electromagnetic clutch 2 and tachymeter 3,
The top of the 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
The inside of electric telescopic rod 6, the electric telescopic rod 6 is equipped with pressure sensor 7, and the pantograph 1 is electrically connected with traction
The driving end of motor 8, the traction electric machine 8 is connected with driving gear 9, and the end side of the driving gear 9 passes through driven gear 10
It is connected with electromagnetic clutch 2, the electromagnetic clutch 2 is internally provided with friction plate 11, and friction plate 11 uses ferrous metal system
At the end side of the friction plate 11 is provided with coil 12, generates magnetic force for being powered, the driven gear 10 is rotatably connected to change
Fast case 13, the gearbox 13 are rotatably connected to axle 14, and the side of the axle 14 is equipped with tachymeter 3, described electronic to stretch
Contracting bar 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.
The invention also discloses a kind of driving methods of the long-life driving device of high-speed railway locomotive, including walk as follows
Suddenly：
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.
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 (4)
1. a kind of long-life driving device of high-speed railway locomotive, including pantograph (1), electromagnetic clutch (2) and tachymeter
(3), it is characterised in that：The top of the pantograph (1) is provided with slide plate (4), and the lower part of the slide plate (4) is connected with pedestal
(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 biography
Sensor (7), the pantograph (1) are electrically connected with traction electric machine (8), and the driving end of the traction electric machine (8) is connected with actively
The end side of gear (9), the driving gear (9) is connected with electromagnetic clutch (2), the driven gear by driven gear (10)
(10) it is rotatably connected to gearbox (13), the gearbox (13) is rotatably connected to axle (14), the side of the axle (14)
Tachymeter (3) is installed, the electric telescopic rod (6), pressure sensor (7), electromagnetic clutch (2) and tachymeter (3) are respectively
It is electrical connected with PLC controller (15).
2. a kind of long-life driving device of high-speed railway locomotive according to claim 1, 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).
3. a kind of long-life driving device of high-speed railway locomotive according to claim 1 or 2, it is characterised in that：Institute
It states and is provided with top guide bar (19) and lower guide rod (20) between slide plate (4) and pedestal (5), the top guide bar (19) is installed on slide plate
(14) lower part, the pedestal (5) are connected by lower guide rod (20) with top guide bar (19).
4. a kind of long-life driving device of high-speed railway locomotive according to claim 1-3, it is characterised in that：It is described
The end side of electromagnetic clutch (2) is connected with slip ring (21), and the side of the slip ring (21) is provided with brush (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316465.6A CN108297696A (en) | 2018-04-10 | 2018-04-10 | A kind of long-life driving device of high-speed railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316465.6A CN108297696A (en) | 2018-04-10 | 2018-04-10 | A kind of long-life driving device of high-speed railway locomotive |
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| Publication Number | Publication Date |
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| CN108297696A true CN108297696A (en) | 2018-07-20 |
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ID=62848293
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810316465.6A Withdrawn CN108297696A (en) | 2018-04-10 | 2018-04-10 | A kind of long-life driving device of high-speed railway locomotive |
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| CN (1) | CN108297696A (en) |
Citations (4)
| 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 |
| 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 |
| 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 |
-
2018
- 2018-04-10 CN CN201810316465.6A patent/CN108297696A/en not_active Withdrawn
Patent Citations (4)
| 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 |
| 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 |
| 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 |
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Application publication date: 20180720 |