CN109606395A - A kind of track operation vehicle drive-train method - Google Patents

A kind of track operation vehicle drive-train method Download PDF

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Publication number
CN109606395A
CN109606395A CN201910099689.0A CN201910099689A CN109606395A CN 109606395 A CN109606395 A CN 109606395A CN 201910099689 A CN201910099689 A CN 201910099689A CN 109606395 A CN109606395 A CN 109606395A
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China
Prior art keywords
low speed
motor
vehicle
running motor
high speed
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CN201910099689.0A
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CN109606395B (en
Inventor
雷张文
李石平
王建宏
肖少坤
肖樨
李永江
汪海
曹增明
贺旭
贺占龙
童开
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Zhuzhou CRRC Times Electric Co Ltd
Baoji CRRC Times Engineering Machinery Co Ltd
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Zhuzhou CSR Times Electric Co Ltd
Baoji CSR Times Engineering Machinery Co Ltd
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Priority to CN201910099689.0A priority Critical patent/CN109606395B/en
Publication of CN109606395A publication Critical patent/CN109606395A/en
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    • 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
    • B61C9/42—Transmission systems in or for locomotives or motor railcars with electric motor propulsion hydraulic

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a kind of track operation vehicle drive-train methods, track operation vehicle includes power car and Operation Van, method includes the following steps: A) vehicle dynamic power system, high speed walking system and low speed traveling power source are arranged on power car, cloth sets low constant speed walking system in Operation Van；It is individually arranged in Operation Van, or arranges operating system on power car and Operation Van；B) vehicle dynamic power system provides power supply for operating system, and selectively provides power supply for high speed walking system or low speed traveling power source, and high speed walking system uses electric transmission trailer system；C) low speed traveling power source provides hydraulic power supply for low constant speed walking system, and low constant speed walking system uses fax hydrostatic transmissions trailer system.The present invention is able to solve dual power source track operation vehicle under high speed traveling and low speed traveling mode the technical issues of power transmission, to meet the requirement under different operating conditions to traveling speed and control precision.

Description

A kind of track operation vehicle drive-train method
Technical field
The present invention relates to railway engineering field of mechanical technique, drive track operation vehicle more particularly, to a kind of dual power source Method for power transmission.
Background technique
As a kind of widely used track operation vehicle, rail milling vehicle is to lack for a kind of for repairing Rail Surface Sunken track engineering safeguards vehicle.Rail milling vehicle passes through the milling operation unit that is mounted on its floor underframe for vehicle and mill operation unit Rail Surface is handled, the parameters such as roughness, wave mill, the profile of Rail Surface is made to reach required value.It mills on operation unit Cutter to Rail Surface carry out milling, with eliminate Rail Surface damage and wave grind with control section profile.Grind operation unit On abrasive grinding wheel to milling bits after Rail Surface be ground, keep Rail Surface more smooth, reach the roughness value of demand. Rail milling vehicle passes through milling, the mill operation to rail, the final reparation for realizing rail surface defects.Currently, subway line is Electrified circuit, there is a power supply along the line, however most of engineering maintenance vehicles and disclosed rail milling vehicle scheme, is all made of Diesel engine provides traveling and the operation power of vehicle as power source, there are the noises big, discharge of this kind of drive not environmentally, vibration Move the major defects such as big.
The traveling of rail milling vehicle is generally divided into operation traveling and from two kinds of operating condition of traveling, wherein operation traveling is only used for Operation, speed is very low, and is used for from traveling from traveling transit vehicle.Since high speed and the speed ratio of low speed are too big, utilization is same Set driving device is difficult to adapt to two kinds of speed, therefore, solves rail milling overall height speed and low speed traveling mode underdrive device With the problem of, be rail milling vehicle research an emphasis direction.Rail milling vehicle is under working condition, in order to subtract as much as possible Tool marks gap between the small adjacent depth of cut, needs car speed very low, and fluctuation of the operation effectiveness to vehicle operation speed It is very sensitive, it is desirable that when low speed operation, car speed fluctuation is very small.Meanwhile when rail milling vehicle operation, in order to overcome by big What the resistances such as small and the continually changing operation resistance in direction, gradient resistance, wind load were composed, fluctuation big with maximum amplitude Greatly, change fast, direction change, the overall drag of randomness powerful feature, low constant speed driven gas heat pump should have big rigidity and sensitive response Performance.Therefore, in order to obtain preferable low-speed performance, the optimal speed interval of transmission system performance should be able to cover rail milling vehicle Operating speed range.Since overall drag direction can change, maximum amplitude is big, when being drawn under low constant speed operating condition, driving power Need sufficiently large, trailer system can export enough power, and when being braked under low constant speed operating condition, stopping power also requires Sufficiently large, energy dissipation system could also have enough power and response speed.
In the prior art, such as: CN204567672U utility model patent gives a kind of dual power source subway fax The electrical structure arrangement of dynamic rail grinding machine, but the patent does not provide the specific structure scheme of transmission system.For another example: CN107299567A Chinese invention application gives a kind of double dynamical rail milling vehicle of power contacts net+battery group, but should Application is using pantograph+battery double source switching and direct electric transmission scheme.Also such as: CN105256675A and CN104742918A Number Chinese invention application gives double dynamical subway grinding machine electric drive system and powershift method, but its be related to it is double acting Power subway grinding machine power system architecture is complicated, and equipment is various.For another example: CN104562877A Chinese invention application gives one Kind track milling vehicle transmission system, but this application is using direct electric transmission scheme.
Summary of the invention
In view of this, being solved double dynamical the purpose of the present invention is to provide a kind of track operation vehicle drive-train method Source track operation vehicle is right under different operating conditions to meet under high speed traveling and low speed traveling mode the technical issues of power transmission The requirement of traveling speed and control precision.
In order to achieve the above-mentioned object of the invention, the present invention specifically provides a kind of technology reality of track operation vehicle drive system Existing scheme, the track operation vehicle includes power car and Operation Van.The method for power transmission the following steps are included:
A vehicle dynamic power system, high speed walking system and low speed traveling power source) are arranged on the power car, Cloth sets low constant speed walking system in the Operation Van；It is individually arranged in the Operation Van, or in the power car and Operation Van Upper arrangement operating system；
B) the vehicle dynamic power system provides power supply for the operating system, and is selectively the high speed traveling System or low speed traveling power source provide power supply, and the high speed walking system uses electric transmission trailer system, to realize the rail The traveling speed of road 0~80km/h of working truck, and the velocity control accuracy less than 0.5km/h；
C) the low speed traveling power source provides hydraulic power supply, the low constant speed traveling for the low constant speed walking system System uses fax hydrostatic transmissions trailer system, to realize the traveling speed of the track operation vehicle 0.3km~2km/h, And the velocity control accuracy less than 0.02km/h.
The present invention specifically provides the technic relization scheme of another track operation vehicle drive system, the track operation Vehicle includes power car and Operation Van.The method for power transmission the following steps are included:
A vehicle dynamic power system and high speed walking system) are arranged on the power car, are arranged in the Operation Van Low speed traveling power source and low constant speed walking system；It is individually arranged in the Operation Van, or in the power car and Operation Van Upper arrangement operating system；
B) the vehicle dynamic power system provides power supply for the operating system, and is selectively the high speed traveling System or low speed traveling power source provide power supply, and the high speed walking system uses electric transmission trailer system, to realize the rail The traveling speed of road 0~80km/h of working truck, and the velocity control accuracy less than 0.5km/h；
C) the low speed traveling power source provides hydraulic power supply, the low constant speed traveling for the low constant speed walking system System uses fax hydrostatic transmissions trailer system, to realize the traveling speed of the track operation vehicle 0.3km~2km/h, And the velocity control accuracy less than 0.02km/h.
Further, the vehicle dynamic power system includes engine, generator, rectifier cabinet and high-voltaghe compartment.The hair Chemical energy is converted to mechanical energy by motivation, and provides power resources, and the mechanical energy that the generator exports the engine turns Turn to alternating current.The AC conversion that the rectifier cabinet exports the generator is exported at direct current to high-voltaghe compartment.It is described High-voltaghe compartment is used to select and guarantee the vehicle power supply source of railway operation vehicle.
Further, the high speed walking system includes the first high speed running motor, the second high speed running motor, third height Fast running motor and the 4th high speed running motor.The vehicle dynamic power system further includes the first traction invertor, second leads Draw inverter, the first braking resistor and the second braking resistor.The low speed traveling power source includes the first low speed traveling power source With the second low speed traveling power source, the first driving switch case and the second driving switch case are arranged on the power car.
The direct current that high-voltaghe compartment exports is converted into variable-frequency variable-voltage power supply by first traction invertor, and drives described One high speed running motor and the second high speed running motor.It is selected by the first driving switch case by the first traction invertor Output is forwarded to the first low speed traveling power source or the first high speed running motor and the second high speed running motor.Institute State generation and the work when the first braking resistor consumes the first high speed running motor and the second high speed running motor electric braking The electric energy that industry system and vehicle-mounted electrical equipment have been not used.
The direct current that high-voltaghe compartment exports is converted into variable-frequency variable-voltage power supply by second traction invertor, and drives described Three high speed running motors and the 4th high speed running motor.It is selected by the second driving switch case by the second traction invertor Output is forwarded to the second low speed traveling power source or the third high speed running motor and the 4th high speed running motor.Institute State generation and the work when the second braking resistor consumes the third high speed running motor and the 4th high speed running motor electric braking The electric energy that industry system and vehicle-mounted electrical equipment have been not used.
Further, the first low speed traveling power source includes the first drive hydraulic motor, the first gearbox and first Driven at low speed pump.The second low speed traveling power source includes that the second drive hydraulic motor, the second gearbox and the second low speed drive Dynamic pump.
The electric energy that first driving switch case exports is converted to the mechanical energy of motor rotation by first drive hydraulic motor, The first gearbox being connected with first drive hydraulic motor is driven, then the first driven at low speed is driven by first gearbox Pump.
The electric energy that second driving switch case exports is converted to the mechanical energy of motor rotation by second drive hydraulic motor, The second gearbox being connected with second drive hydraulic motor is driven, then the second driven at low speed is driven by second gearbox Pump.
First driven at low speed pump and the delivery outlet of the second driven at low speed pump are connected in parallel to fluid pressure line.Pass through described Frequency variable-voltage power supply is determined in one traction invertor, the output of the second traction invertor, makes first drive hydraulic motor, the second hydraulic drive Dynamic tachometer value constant speed rotary of the motor to set.And reduction ratio is increased by first gearbox, the second gearbox, and should The tachometer value of setting, so that when the low constant speed traveling of track operation vehicle, first drive hydraulic motor, the second hydraulic-driven Motor works in electric braking performance preferred communication area.
Further, the low constant speed walking system includes the first low speed running motor, the second low speed running motor, third Low speed running motor and the 4th low speed running motor.The first low speed running motor, the second low speed running motor, third is low Fast running motor and the 4th low speed running motor are connected on fluid pressure line, and connect accumulator on the fluid pressure line.Institute Stating the first low speed running motor, the second low speed running motor, third low speed running motor and the 4th low speed running motor will be described The pressure energy of fluid pressure line is converted into the mechanical energy of motor rotation, and the track operation vehicle low speed is driven to run, and leads to simultaneously Cross the pressure stationarity that the accumulator improves fluid pressure line.
Further, the operating system includes milling apparatus for work, iron filings recyclable device, mill apparatus for work and milling recycling Device.Subordinate inverter, operation power supply box and battery are arranged on the power car.The subordinate inverter is defeated by high-voltaghe compartment Direct current out is converted to the power supply system of track operation vehicle needs, is the vehicle-mounted power supply for electrical equipment, and to the storage Battery charges.The converting direct-current power into alternating-current power that the operation power supply box exports high-voltaghe compartment, and filled for the milling operation It sets, iron filings recyclable device, mill apparatus for work and milling recyclable device are powered.
Further, the first switching of arrangement switch in the high-voltaghe compartment, can be alternatively by the first switching switch Switch to contact net or storehouse interior power power supply, or ground connection.
When the first switching switching is powered to the contact net, the contact net is simultaneously with the rectifier cabinet Track operation vehicle carries out vehicle power supply, and mutually isolated by first diode and the second diode respectively, turns off described Engine.
When the contact net is individually powered, when the track operation vehicle enters the non-Electric region of contact net, the high-voltaghe compartment The control system of power loss, the track operation vehicle still works under the power supply of battery.Start described in control system starting Machine, and the power source provided using the engine, to realize the engine and contact net dual service and seamless switching.
Further, in the inside of the first driving switch case arrangement the second switching switch, when the track operation vehicle When needing high speed traveling, by the second switching switch by the output of first traction invertor and first high speed Running motor, the connection of the second high speed running motor.When the track operation vehicle needs low speed operation, second switching is opened The output of first traction invertor is connect by pass with first drive hydraulic motor.
In the inside of the second driving switch case arrangement third switching switch, when the track operation vehicle needs high speed When traveling, by third switching switch by the output of second traction invertor and the third high speed running motor, The connection of 4th high speed running motor.When the track operation vehicle needs low speed operation, the third switching switch will be described The output of second traction invertor is connect with second drive hydraulic motor.
It is the first high speed running motor, second high when the track operation vehicle braking under high speed traveling operating condition Fast running motor, third high speed running motor and the 4th high speed running motor drag power generation by counter.By the first high speed traveling electricity The alternating current that machine and the second high speed running motor issue is exported by the first driving switch case to the first traction invertor.By The third high speed running motor, the 4th high speed running motor issue alternating current by the second driving switch case export to Second traction invertor.Direct current is converted alternating current to by first traction invertor, the second traction invertor, the direct current Electricity is preferentially supplied to the operating system and vehicle-mounted electrical equipment uses.When the operating system and vehicle-mounted electrical equipment can not inhale When receiving the direct current, then energy consumption is realized by first braking resistor and the second braking resistor respectively.
Further, under low speed traveling operating condition, by the first driving switch case by the defeated of the first traction invertor The first drive hydraulic motor is switched to out, and it is hydraulic that first traction invertor exported determines frequency variable-voltage power supply driving described first The constant frequency of driving motor constant speed rotary, the first traction invertor output setting makes first drive hydraulic motor Invariablenes turning speed is in the preferable setting speed of electric braking performance.By the second driving switch case by the defeated of the second traction invertor The second drive hydraulic motor is switched to out, and it is hydraulic that second traction invertor exported determines frequency variable-voltage power supply driving described second The constant frequency of driving motor constant speed rotary, the second traction invertor output setting makes second drive hydraulic motor Invariablenes turning speed is in the preferable setting speed of electric braking performance.
First drive hydraulic motor drives the first driven at low speed pump to exist by the first coupled gearbox Constant revolution under optimum operating speed.Second drive hydraulic motor drives described the by coupled the second gearbox Two driven at low speed pump constant revolution under optimum operating speed.The the first driven at low speed pump and the second low speed that output end is connected in parallel to each other Mechanical energy is converted to pressure energy by transfer tube, the first low speed running motor, the second low speed traveling electricity being connected on fluid pressure line Pressure energy is converted to mechanical rotation by machine, third low speed running motor and the 4th low speed running motor, and is driven coupled Vehicle wheel rotation realizes low speed traveling of the track operation vehicle under traction working condition.
Under low speed traveling operating condition, the first low speed running motor, the second low speed running motor, third low speed traveling electricity Machine and the 4th low speed running motor are dragged by counter, and the kinetic energy of the track operation vehicle is converted to the pressure energy of fluid pressure line, The pressure energy drives the first driven at low speed pump and the pump rotation of the second driven at low speed, and to pump with first driven at low speed The first connected drive hydraulic motor, and the second drive hydraulic motor being connected with second driven at low speed pump generate electricity.It is described The alternating current that first drive hydraulic motor issues is exported by the first driving switch case to first traction invertor, and described the The alternating current that two drive hydraulic motors issue is exported by the second driving switch case to second traction invertor.Described first Traction invertor, the second traction invertor convert alternating current to direct current, which is preferentially supplied to operating system and vehicle Electrical equipment is carried to use.It is braked when the operating system and vehicle-mounted electrical equipment can not absorb, then respectively by described first Resistance and the second braking resistor realize energy consumption, realize low speed traveling of the track operation vehicle under damped condition.
By implementing the technical solution for the track operation vehicle drive-train method that aforementioned present invention provides, have has as follows Beneficial effect:
(1) track operation vehicle drive-train method of the present invention, high speed traveling use electric transmission, can play electric transmission knot Constitute feature ripe, that control is simple；Low constant speed traveling uses fax hydrostatic transmissions, and it is flat can to play hydrostatic pressure system work Surely, the characteristics of response quickly；Track operation vehicle high-speed and the two different traveling requirements of low constant speed can be met simultaneously；
(2) track operation vehicle drive-train method of the present invention, vehicle high-speed traveling use alternating current drive, low speed traveling Hydrostatic transmissions using motor as power source, high, low speed, which is driven, shares pulliung circuit, and two-way can switch, and reduces one System equipment is covered, manufacturing cost, the space for having saved vehicle and weight are reduced；
(3) track operation vehicle drive-train method of the present invention imitates the invariablenes turning speed of drive hydraulic motor in electric braking Rate and the very fast tachometer value of response speed, can be improved the revolving speed control precision of drive hydraulic motor, while ensure that low speed is walked The quick recycling and consumption of energy when row, to realize the low constant speed control of track operation vehicle；
(4) track operation vehicle drive-train method of the present invention, low speed hydraulic pump use constant pressure pump, while low speed hydraulic pump Invariablenes turning speed be optimum operating speed, and by adjusting the gear ratio of gearbox, drive hydraulic motor and low speed can be made to drive Dynamic revolution speed reaches matching；
(5) track operation vehicle drive-train method of the present invention, using electric power+engine dual input power source, contact net Power supply and engine power driving can accomplish seamless switching, not only solve the big defect of diesel emission, vibration, noise, but also The utilization of clean energy resource is realized, and provides backup power between non-Electric region.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Other embodiments are obtained according to these attached drawings.
Fig. 1 is that a kind of overall structure for specific embodiment of track operation vehicle drive system that the method for the present invention is based on is former Manage schematic diagram；
Fig. 2 is the biography of power car in a kind of specific embodiment of track operation vehicle drive system that the method for the present invention is based on Dynamic principle schematic diagram；
Fig. 3 is the biography of Operation Van in a kind of specific embodiment of track operation vehicle drive system that the method for the present invention is based on Dynamic principle schematic diagram；
Fig. 4 is dual power source track operation vehicle applied by track operation vehicle drive system that the method for the present invention is based on Overall structure main view；
Fig. 5 is dual power source track operation vehicle applied by track operation vehicle drive system that the method for the present invention is based on Overall structure top view；
In figure: 1- power car, 2- Operation Van, 3- wheel, 4- pantograph, 5- contact net, 6- bogie, 10- storehouse interior power, 11- electric equipment compartment, 12- powerhouse, 13- iron filings cabin, 14- fuel tank, 15- traction invertor, between 21- maintenance, it is electrical that 22- grinds operation Between, 23- mills operation electric equipment compartment, 101- control cabinet, 102- braking system cabinet, 103- milling operation iron filings cabin one, 104- milling operation iron Bits cabin two, 201- inspection rack, 202- hydraulic station, 203- Tool Cabinet, 204- grind Operation control cabinet, and 205- grinds operation and drives cabinet one, 206- grinds operation and drives cabinet two, and 207- mills operation and drives cabinet one, and 208- mills operation and drives cabinet two, and 209- mills Operation control cabinet, The first driven at low speed of B11- pump, the second driven at low speed of B12- pump, D1- engine, E1- high-voltaghe compartment, E2- rectifier cabinet, E3- auxiliary are inverse Change device, the first traction invertor of E41-, the second traction invertor of E42-, the first braking resistor of E51-, the second braking resistor of E52-, E6- operation power supply box, E7- battery, the vehicle-mounted electrical equipment of E8-, F1- generator, M11- the first high speed running motor, M12- Two high speed running motors, M13- third high speed running motor, the 4th high speed running motor of M14-, M21- the first hydraulic-driven electricity Machine, the second drive hydraulic motor of M22-, S11- the first driving switch case, S12- the second driving switch case, the first gearbox of T11-, The second gearbox of T12-, K0- high-speed circuit breaker, the switching switch of K1- first, the switching switch of K2- second, K3- third switching switch, The switching switch of K4- the 4th, VD1- first diode, the second diode of VD2-, G1- milling apparatus for work, G2- iron filings recyclable device, G3- grinds apparatus for work, G4- milling recyclable device, Y1- accumulator, M31- the first low speed running motor, M32- the second low speed traveling Motor, M33- third low speed running motor, the 4th low speed running motor of M34-, J1- velocity sensor, 100- track operation vehicle ?.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is only It is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel all other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
As shown in attached drawing 1 to attached drawing 5, the specific embodiment of track operation vehicle drive-train method of the present invention is given, The present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment 1
As shown in Fig. 1, a kind of the method for the present invention based on track operation vehicle drive system embodiment, track operation Vehicle 100 includes power car 1 and Operation Van 2, and transmission system specifically includes: the vehicle electrical source of power system being arranged on power car 1 System, high speed walking system and low speed traveling power source, the low constant speed walking system being arranged in Operation Van 2, and partly or entirely The operating system being arranged in Operation Van 2.Vehicle dynamic power system provides power supply for operating system, and is selectively high speed Walking system or low speed traveling power source provide power supply, and high speed walking system uses electric transmission trailer system, to realize that track is made The traveling speed of 0~80km/h of industry vehicle, and the velocity control accuracy less than 0.5km/h.Low speed traveling power source is low constant speed Walking system provides hydraulic power supply, and low constant speed walking system uses fax hydrostatic transmissions trailer system, to realize that track is made The traveling speed of industry vehicle 0.3km~2km/h, and the velocity control accuracy less than 0.02km/h.
The present embodiment solves the two different operating condition travelings of track operation vehicle 100 and wants to speed and control precision It asks, high speed traveling uses electric transmission trailer system, and travelled by vehicle speed is 0~80km/h, and velocity control accuracy is less than 0.5km/ h；Low speed traveling is drawn using fax hydrostatic transmissions, using hydrostatic control feature with high accuracy, realizes travelled by vehicle speed Degree is 0.3~2km/h, and velocity control accuracy is less than 0.02km/h.
As shown in Fig. 2, vehicle dynamic power system further comprises:
Engine D1 for chemical energy to be converted to mechanical energy, and provides power resources；Engine D1 can use diesel oil Machine；
Generator F1, the mechanical energy for exporting engine D1 are converted into alternating current；
Rectifier cabinet E2, the AC conversion for exporting generator F1 are exported at direct current to high-voltaghe compartment E1；
High-voltaghe compartment E1, for selecting and guaranteeing the vehicle power supply source of track operation vehicle 100.
As shown in Fig. 2, vehicle dynamic power system further include: the first traction invertor E41, the second traction invertor E42, the first braking resistor E51 and the second braking resistor E52.High speed walking system further comprises: the first high speed running motor M11, the second high speed running motor M12, third high speed running motor M13 and the 4th high speed running motor M14.First traction inversion The high-voltaghe compartment E1 direct current exported is converted into variable-frequency variable-voltage power supply by device E41, and drives the first high speed running motor M11 and second High speed running motor M12, the first braking resistor E51 are for consuming the first high speed running motor M11 and the second high speed running motor The electric energy that generation and operating system and vehicle-mounted electrical equipment E8 have been not used when M12 electric braking.Second traction invertor E42 will be high The direct current of pressure case E1 output is converted into variable-frequency variable-voltage power supply, and drives third high speed running motor M13 and the 4th high speed traveling Motor M14, the second braking resistor E52 are for consuming third high speed running motor M13 and the 4th high speed running motor M14 electric braking When generate and the electric energy that has been not used of operating system and vehicle-mounted electrical equipment E8.Transmission system further includes being arranged on power car 1 The first driving switch case S11 and the second driving switch case S12, low speed traveling power source further comprise the first low speed walk action Power source and the second low speed traveling power source.First driving switch case S11 turns the output of the first traction invertor E41 for selecting It is connected to the first low speed traveling power source or the first high speed running motor M11 and the second high speed running motor M12.Second driving is opened Closing case S12, the output by the second traction invertor E42 is forwarded to the second low speed traveling power source or third high speed is walked for selecting Row motor M13 and the 4th high speed running motor M14.
Transmission system further includes the subordinate inverter E3, operation power supply box E6 and battery E7 being arranged on power car 1.It is auxiliary Help inverter E3 that the high-voltaghe compartment E1 direct current exported is converted to the track operations vehicle such as AC380V, AC220V, DC110V, DC24V 100 power supply systems needed, power for vehicle-mounted electrical equipment E8, and the battery E7 for corresponding standard charges.Operation Power supply box E6 is used for the direct current for exporting high-voltaghe compartment E1, is converted into AC380V as operating system power supply.
The intermediate energy that the present embodiment drives electric energy as double source, and solve the skill of vehicle-mounted power supply for electrical equipment distribution Art problem by the way that double source driving is converted to the electric energy of multiple display modes compatible, and arranges subordinate inverter, operation power supply box, traction Inverter is total to three classes electrical equipment.Wherein, subordinate inverter exports AC380/220V and DC110/24V totally four kinds of power supply systems Formula is that each function load of vehicle and the battery E7 for vehicle control power.Operation power supply box E3 exports AC380V power supply The equipment of operating system is powered.Traction invertor output AC power source is that high speed running motor or drive hydraulic motor are powered.
As shown in attached drawing 2 and attached drawing 3, operating system further comprises the iron filings recyclable device G2 being arranged on power car 1, And it is arranged in milling apparatus for work G1, mill apparatus for work G3 and milling recyclable device G4 in Operation Van 2.Operation power supply box E6 will be high The converting direct-current power into alternating-current power of case E1 output is pressed, and switches switch K4 by the 4th as milling apparatus for work G1, iron filings recycling dress Set G2, mill apparatus for work G3 and milling recyclable device G4 power supply.High-precision speed is disposed on the bogie 6 of Operation Van 2 Sensor J1.
As shown in Fig. 2, the first low speed traveling power source further comprises: the first drive hydraulic motor M21, the first speed change Case T11 and the first driven at low speed pump B11.Second low speed traveling power source further comprises: the second drive hydraulic motor M22, Two gearbox T12 and the second driven at low speed pump B12.The electricity that first drive hydraulic motor M21 exports the first driving switch case S11 It can be converted to the mechanical energy of motor rotation, drive the first gearbox T11 for being connected with the first drive hydraulic motor M21, then by the One gearbox T11 drives the first driven at low speed to pump B11.Second drive hydraulic motor M22 exports the second driving switch case S12 Electric energy is converted to the mechanical energy of motor rotation, drives the second gearbox T12 for being connected with the second drive hydraulic motor M22, then by Second gearbox T12 drives the second driven at low speed to pump B12.First driven at low speed pumps the output of B11 and the second driven at low speed pump B12 Mouth be connected in parallel to fluid pressure line (when low speed traveling power source include three or more multiple driven at low speed pump when, multiple driven at low speed The delivery outlet of pump is connected in parallel to fluid pressure line).Frequency transformation is determined by the first traction invertor E41, the second traction invertor E42 output Power supply makes the tachometer value constant speed rotary of the first drive hydraulic motor M21, the second drive hydraulic motor M22 to set.Pass through first Gearbox T11, the second gearbox T12 increase reduction ratio and the tachometer value of the setting, so that when track operation vehicle 100 is low When constant speed traveling, the first drive hydraulic motor M21, the second drive hydraulic motor M22 work in electric braking performance preferred communication area.
When the present embodiment solves the 100 low speed traveling of track operation vehicle, when overall drag direction is identical as direction of travel, Generate the technical issues of brake force maintains car speed not increase, rapidly deplete kinetic energy.The present embodiment is defeated by traction invertor The power supply for determining frequency transformation out, makes drive hydraulic motor with setting speed value constant speed rotary, which is in electric braking It can preferable revolving speed area.Vehicle power is converted to the pressure energy of hydraulic system by low speed running motor, and pressure energy drives driven at low speed Pump rotation, then drag drive hydraulic motor and produce electricl energy, vehicle is by electric energy transfer or consumes, and finally realizes energy consumption.By In the constant rotational speed of drive hydraulic motor, it is in the preferable revolving speed area of motor electric braking performance, motor speed control precision is very high, There is good electric braking performance simultaneously, vehicle energy can be converted into electric energy rapidly.
First driven at low speed pump B11 and the second driven at low speed pump B12 are all made of constant pressure pump, the first driven at low speed pump B11 and The delivery outlet of second driven at low speed pump B12 is connected in parallel on fluid pressure line, and passes through the adjusting of accumulator Y1, so that fluid pressure line Pressure is constant, and control can be adjusted the pressure of fluctuation of load fluid pressure line in subtle fluctuation range.Low speed traveling electricity Machine gearbox (the first gearbox T11 and the second gearbox T12) is for matching drive hydraulic motor (the first drive hydraulic motor M21 and the second drive hydraulic motor M22) and driven at low speed pump (the first driven at low speed pumps B11 and the second driven at low speed pumps B12) Revolving speed makes it work in optimum operating speed.First low speed running motor M31, the second low speed running motor M32, third are low Fast running motor M33 and the 4th equal low speed running motor of low speed running motor M34 are used to that motor rotation for hydraulic pressure can be converted to The mechanical energy turned, and 100 low speed of track operation vehicle is driven to run.First low speed running motor M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34 are all made of variable displacement motor, the variable ratio of variable displacement motor by The signal of high precision velocity sensor J1 accurately controls, to realize the constant control of 100 speed of track operation vehicle.Variable horse A closed-loop control system is formed up to velocity sensor, the signal of velocity sensor can input to the controller of variable displacement motor, The difference of vehicle car speed and target velocity is calculated by controller, then controller provides the variable ratio that order adjusts motor in real time It increases or reduces, to control the speed of track operation vehicle 100.
As shown in Fig. 3, low constant speed walking system further comprises: being connected to the first low speed running motor of fluid pressure line M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34.First low speed traveling Motor M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34 are by hydraulic tube The pressure energy on road is converted into the mechanical energy of motor rotation, and 100 low speed of track operation vehicle is driven to run.Also connect on fluid pressure line It is connected to the accumulator Y1 for improving hydraulic line pressure stationarity.Under high speed traveling operating condition, the first traction invertor E41, The direct current that second traction invertor E42 exports high-voltaghe compartment E1 is converted into variable-frequency variable-voltage power supply and respectively drives the first high speed to walk Row motor M11, the second high speed running motor M12, third high speed running motor M13 and the 4th high speed running motor M14, for height Fast traveling.Under low speed traveling operating condition, the first traction invertor E41, the second traction invertor E42 export high-voltaghe compartment E1 straight Galvanic electricity is converted into determining frequency variable-voltage power supply, drives the first drive hydraulic motor M21 and the second drive hydraulic motor M22, for being liquid Pressure system provides kinetic energy.Under high speed traveling operating condition, two groups of traction invertors are respectively two high speed travelings of a bogie 6 Motor provides electric energy.Under low speed traveling operating condition, two groups of traction invertors are respectively that a respective drive hydraulic motor provides Electric energy.Under low speed operation traveling operating condition, when needing track operation vehicle 100 to play brake force, variable displacement motor (the first low speed Running motor M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34) switching To hydraulic pumping function, kinetic energy is converted to hydraulic pressure energy, pressure energy is transferred to driven at low speed pump (i.e. the first driven at low speed pump B11 and the second driven at low speed pump B12, have switched to motor function at this time), pressure energy driving driven at low speed pump (has switched at this time To motor function) it rotates, driven at low speed pump drives driving motor (i.e. the first drive hydraulic motor M21 and the second hydraulic-driven again Motor M22, switches to motor function at this time) power generation, pressure energy is converted to mechanical energy, is then converted to electric energy.
As shown in Fig. 2, the mechanical kinetic energy of generator D1 is converted to alternating current by generator F1 by the present embodiment, then by Rectifier cabinet E2 at direct current, and exports AC rectification to high-voltaghe compartment E1.High-voltaghe compartment E1 be built-in with the first switching switch K1 and For selecting power supply line, high-speed circuit breaker K0 is connected to pantograph 4 and cuts with first by high-speed circuit breaker K0, the first switching switch K1 It changes between switch K1, for protecting vehicle interior power supply safety.As first switching switch K1 selection A1~A3, vehicle electric system System can be switched to alternatively is powered by contact net 5 or storehouse interior power 10 respectively, or ground connection.By the conversion circuit of high-voltaghe compartment E1, The DC power supply seamless switching that two kinds of power sources provide can be supplied circuit downstream.When the first switching switch K1 switches to contact net When 5 power supply, contact net 5 and rectifier cabinet E2 are that track operation vehicle 100 carries out vehicle power supply, and passes through the one or two pole respectively simultaneously (first diode VD1 and the second diode VD2 are for protecting other electric currents will not be to rectifier cabinet by pipe VD1 and the second diode VD2 E2,5 reflux of contact net) it is mutually isolated, turn off engine D1.Contact net 5 individually power when, when track operation vehicle 100 into Enter the non-Electric region of contact net 5, high-voltaghe compartment E1 power loss, (control system is one of vehicle to the control system of track operation vehicle 100 Carry electrical equipment E8) it still works under the power supply of battery E7.Control system starts engine D1, and is mentioned using engine D1 The power source of confession, to realize engine D1 and 5 dual service of contact net and seamless switching.The present embodiment, which solves to use, to be started When mechanomotive force and contact net dual service, two kinds of power sources coexist and the technical issues of seamless switchings.
The inside of first driving switch case S11 is disposed with the second switching switch K2, the inside cloth of the second driving switch case S12 It is equipped with third switching switch K3, when track operation vehicle 100 needs high speed traveling, the second switching switch K2 is inverse by the first traction The output for becoming device E41 connect (the second switching switch K2 connection with the first high speed running motor M11, the second high speed running motor M12 To KM2), third switches switch K3 for the output of the second traction invertor E42 and third high speed running motor M13, the 4th high speed Running motor M14 connection (third switching switch K3 is connected to KM2), four high speed running motors of two-way driving realize track 100 high speed traveling of working truck.When track operation vehicle 100 needs low speed operation, the second switching switch K2 is drawn first The output of inverter E41 connect (the second switching switch K2 is connected to KM1) with the first drive hydraulic motor M21, and third switching is opened Close K3 the output of the second traction invertor E42 is connect with the second drive hydraulic motor M22 (third switch switch K3 be connected to KM1), what the first traction invertor E41, the second traction invertor E42 were exported determines frequency variable-voltage power supply, respectively drives the first hydraulic drive Dynamic motor M21, the second drive hydraulic motor M22 constant speed rotary.The constant frequency of traction invertor output setting can make hydraulic drive The dynamic constant specified revolving speed in electric braking better performances of motor speed.Two drive hydraulic motors respectively pass through the rotation of motor After gearbox conversion connected to it, driven at low speed pump constant revolution under optimum operating speed is driven.Gearbox makes hydraulic drive Dynamic motor and driven at low speed pump are all fixed on optimum operating speed.Two driven at low speed in parallel, which are pumped, is converted to pressure for mechanical energy Power energy, pressure energy is converted to mechanical rotation by four low speed running motors on fluid pressure line, and is driven and low speed running motor Connected wheel 3 rotates, and realizes low speed traveling of the track operation vehicle 100 under traction working condition.
The present embodiment solves the problems, such as drive hydraulic motor and driven at low speed pump optimum operating speed matching, by liquid Increase the gearbox for determining reduction ratio between pressure driving motor and driven at low speed pump, realizes the revolving speed of low speed hydraulic pump and hydraulic pump All under optimum operating speed.The present embodiment solves high speed traveling and low speed traveling shares same set of pulliung circuit and equipment Technical problem reduces manufacturing cost, has saved vehicle space and weight.In high speed traction, the downstream electrical of traction invertor Road arranges driving switch case, and the output of traction invertor is delivered to KM1 (low speed traveling) by switching switch or KM2 is (high Fast traveling), to realize that high low speed traveling shares a set of pulliung circuit and equipment, switching switch is walked for switching high speed and low speed Row operating condition.
Under high speed traveling operating condition, when track operation vehicle 100 is braked, the first high speed running motor M11, the second high speed Running motor M12, third high speed running motor M13 and the 4th high speed running motor M14 drag power generation by counter.By the first high speed traveling The alternating current that motor M11 and the second high speed running motor M12 is issued exports inverse to the first traction by the first driving switch case S11 Become device E41.Second driving switch is passed through by the alternating current that third high speed running motor M13, the 4th high speed running motor M14 are issued Case S12 is exported to the second traction invertor E42.Alternating current is turned by the first traction invertor E41, the second traction invertor E42 Change direct current into, which is preferentially supplied to operating system and vehicle-mounted electrical equipment E8 and uses, when operating system and vehicle-mounted When electric equipment E8 can not absorb the direct current, then energy is realized by the first braking resistor E51 and the second braking resistor E52 respectively Consumption.
Under low speed traveling operating condition, the output of the first traction invertor E41 is switched to first by the first driving switch case S11 Frequency variable-voltage power supply driving the first drive hydraulic motor M21 perseverance is determined in drive hydraulic motor M21, the first traction invertor E41 output The constant frequency of speed rotation, the first traction invertor E41 output setting makes the invariablenes turning speed of the first drive hydraulic motor M21 in electricity The preferable setting speed of braking ability.The output of second traction invertor E42 is switched to the second liquid by the second driving switch case S12 Driving motor M22 is pressed, the frequency variable-voltage power supply of determining of the second traction invertor E42 output drives the second drive hydraulic motor M22 constant speed The constant frequency of rotation, the second traction invertor E42 output setting makes the invariablenes turning speed of the second drive hydraulic motor M22 in electricity The dynamic preferable setting speed of performance.
First drive hydraulic motor M21 drives the first driven at low speed pump B11 to exist by the first coupled gearbox T11 Constant revolution under optimum operating speed.Second drive hydraulic motor M22 drives second by the second coupled gearbox T12 Driven at low speed pumps B12 constant revolution under optimum operating speed.The first driven at low speed that output end is connected in parallel to each other pumps B11 and second Driven at low speed pumps B12 and mechanical energy is converted to pressure energy, is connected to the first low speed running motor M31 on fluid pressure line, second Pressure energy is converted to mechanical turn by low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34 It is dynamic, and coupled wheel 3 is driven to rotate, realize low speed traveling of the track operation vehicle 100 under traction working condition.
Under low speed traveling operating condition, the first low speed running motor M31, the second low speed running motor M32, third low speed traveling Motor M33 and the 4th low speed running motor M34 are dragged by counter, and the kinetic energy of track operation vehicle 100 is converted to fluid pressure line Pressure energy, which drives the first driven at low speed pump B11 and the pump B12 rotation of the second driven at low speed, and makes and the first low speed The first transfer tube B11 connected drive hydraulic motor M21, and the second hydraulic-driven electricity being connected with the second driven at low speed pump B12 Machine M22 power generation.The alternating current that first drive hydraulic motor M21 is issued is exported by the first driving switch case S11 to the first traction Inverter E41, the alternating current that the second drive hydraulic motor M22 is issued are exported by the second driving switch case S12 to the second traction Inverter E42.First traction invertor E41, the second traction invertor E42 convert alternating current to direct current, and the direct current is excellent It is first supplied to operating system and vehicle-mounted electrical equipment E8 is used.When operating system and vehicle-mounted electrical equipment E8 can not absorb, then Energy consumption is realized by the first braking resistor E51 and the second braking resistor E52 respectively, realizes that track operation vehicle 100 is being made Low speed traveling under condition of starting building.
It should be strongly noted that in the present embodiment, although with low speed traveling power source using drive hydraulic motor and Technical solution of the present invention is described in driven at low speed pump independent separate formula structure, it is also possible to select revolving speed directly matched Equipment, and the gear ratio of gearbox is 1, or directly cancels gearbox.Various power supply systems described in this embodiment can be with It is specifically chosen according to the adjustment of 100 different automobile types of track operation vehicle.Meanwhile although the present embodiment is with rail milling vehicle Track operation vehicle drive system technical solution is described in specific vehicle, but the art drive systems scheme not only can be used In rail milling vehicle, also can be used should have the characteristics that similar all track operation vehicles in other, and similar feature refers to: having two Kind traveling requirement, it is desirable that speed is high when high speed, and control precision is low, and speed is low when low constant speed, controls precision and fluctuation range is small. Further, it is also possible to be adjusted as needed to the quantity of identical function equipment, such as traction invertor, braking resistor, at a high speed walk The quantity of the equipment such as row motor, drive hydraulic motor, driving switch case, gearbox, driven at low speed pump, low speed running motor all may be used To increase accordingly or reduce.
Embodiment 2
Another the method for the present invention based on track operation vehicle drive system embodiment, track operation vehicle 100 wrap Include power car 1 and Operation Van 2, transmission system specifically includes: the vehicle dynamic power system and high speed being arranged on power car 1 are walked Row system, the low constant speed walking system and low speed traveling power source being arranged in Operation Van 2, and partly or entirely it is arranged in operation Operating system on vehicle 2.Vehicle dynamic power system provides power supply for operating system, and selectively for high speed walking system or Low speed traveling power source provide power supply, high speed walking system use electric transmission trailer system, with realize track operation vehicle 0~ The traveling speed of 80km/h, and the velocity control accuracy less than 0.5km/h.Low speed traveling power source is that low constant speed walking system mentions For hydraulic power supply, low constant speed walking system uses fax hydrostatic transmissions trailer system, to realize track operation vehicle 0.3km The traveling speed of~2km/h, and the velocity control accuracy less than 0.02km/h.
The more detailed technical solution of rest part can be with the corresponding description of reference implementation example 1, and details are not described herein.
Embodiment 3
A kind of track operation vehicle drive-train method of the present invention based on system described in embodiment 1, track operation vehicle 100 include power car 1 and Operation Van 2, the method for power transmission the following steps are included:
A vehicle dynamic power system, high speed walking system and low speed traveling power source) are arranged on power car 1, in operation Cloth sets low constant speed walking system on vehicle 2；It is individually arranged in Operation Van 2, or arranges operation system on power car 1 and Operation Van 2 System；
B) vehicle dynamic power system provides power supply for operating system, and selectively walks for high speed walking system or low speed Action edge source provides power supply, and high speed walking system uses electric transmission trailer system, to realize 0~80km/h's of track operation vehicle Traveling speed, and the velocity control accuracy less than 0.5km/h；
C) low speed traveling power source provides hydraulic power supply for the low constant speed walking system, and low constant speed walking system uses Fax hydrostatic transmissions trailer system to realize the traveling speed of track operation vehicle 0.3km~2km/h, and is less than 0.02km/ The velocity control accuracy of h.
Vehicle dynamic power system further comprises engine D1, generator F1, rectifier cabinet E2 and high-voltaghe compartment E1.Engine Chemical energy is converted to mechanical energy by D1, and provides power resources, and the engine D1 mechanical energy exported is converted friendship by generator F1 Galvanic electricity.The AC conversion that rectifier cabinet E2 exports generator F1 is exported at direct current to high-voltaghe compartment E1.High-voltaghe compartment E1 is used for Selection and the vehicle power supply source for guaranteeing railway operation vehicle 100.
High speed walking system further comprises the first high speed running motor M11, the second high speed running motor M12, third height Fast running motor M13 and the 4th high speed running motor M14.Vehicle dynamic power system further includes the first traction invertor E41, Two traction invertor E42, the first braking resistor E51 and the second braking resistor E52.Low speed traveling power source includes that the first low speed is walked Action edge source and the second low speed traveling power source, arrange the first driving switch case S11 and the second driving switch case on power car 1 S12。
The high-voltaghe compartment E1 direct current exported is converted into variable-frequency variable-voltage power supply by the first traction invertor E41, and drives first High speed running motor M11 and the second high speed running motor M12.Inversion is drawn by first by the first driving switch case S11 selection The output of device E41 is forwarded to the first low speed traveling power source or the first high speed running motor M11 and the second high speed running motor M12.First braking resistor E51 consume the first high speed running motor M11 and generate when the second high speed running motor M12 electric braking and The electric energy that operating system and vehicle-mounted electrical equipment E8 have been not used.
The high-voltaghe compartment E1 direct current exported is converted into variable-frequency variable-voltage power supply by the second traction invertor E42, and drives third High speed running motor M13 and the 4th high speed running motor M14.Inversion is drawn by second by the second driving switch case S12 selection The output of device E42 is forwarded to the second low speed traveling power source or third high speed running motor M13 and the 4th high speed running motor M14.Second braking resistor E52 consume third high speed running motor M13 and generate when the 4th high speed running motor M14 electric braking and The electric energy that operating system and vehicle-mounted electrical equipment E8 have been not used.
First low speed traveling power source further comprises that the first drive hydraulic motor M21, the first gearbox T11 and first are low Fast transfer tube B11.Second low speed traveling power source includes the second drive hydraulic motor M22, the second gearbox T12 and the second low speed Transfer tube B12.
The first driving switch case S11 electric energy exported is converted to the machinery of motor rotation by the first drive hydraulic motor M21 Can, the first gearbox T11 being connected with the first drive hydraulic motor M21 is driven, then the first low speed is driven by the first gearbox T11 Transfer tube B11.
The second driving switch case S12 electric energy exported is converted to the machinery of motor rotation by the second drive hydraulic motor M22 Can, the second gearbox T12 being connected with the second drive hydraulic motor M22 is driven, then the second low speed is driven by the second gearbox T12 Transfer tube B12.
The delivery outlet that first driven at low speed pumps B11 and the second driven at low speed pump B12 is connected in parallel to fluid pressure line.Pass through first Frequency variable-voltage power supply is determined in traction invertor E41, the second traction invertor E42 output, makes the first drive hydraulic motor M21, the second liquid Press tachometer value constant speed rotary of the driving motor M22 to set.And slowed down by the first gearbox T11, the second gearbox T12 increase Than and the setting tachometer value so that when the 100 low constant speed traveling of track operation vehicle, the first drive hydraulic motor M21, Second drive hydraulic motor M22 works in electric braking performance preferred communication area.
Low constant speed walking system further comprises the first low speed running motor M31, the second low speed running motor M32, third Low speed running motor M33 and the 4th low speed running motor M34.By the first low speed running motor M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34 are connected on fluid pressure line, and are connected on fluid pressure line Meet accumulator Y1.
First low speed running motor M31, the second low speed running motor M32, third low speed running motor M33 and the 4th low speed Running motor M34 converts the pressure energy of the fluid pressure line to the mechanical energy of motor rotation, and drives track operation vehicle 100 Low speed operation, while passing through the pressure stationarity of accumulator Y1 raising fluid pressure line.
Operating system further comprises milling apparatus for work G1, iron filings recyclable device G2, mill apparatus for work G3 and milling recycling Device G4.Subordinate inverter E3, operation power supply box E6 and battery E7 are arranged on power car 1.Subordinate inverter E3 is by high pressure The direct current of case E1 output is converted to the power supply system of the needs of track operation vehicle 100, powers for vehicle-mounted electrical equipment E8, and right Battery E7 charges.The converting direct-current power into alternating-current power that operation power supply box E6 exports high-voltaghe compartment E1 is milling apparatus for work G1, iron filings recyclable device G2, mill apparatus for work G3 and milling recyclable device G4 power supply.
The first switching of arrangement switch K1 in high-voltaghe compartment E1 can alternatively switch to contact net by the first switching switch K1 5 or storehouse interior power 10 power, or ground connection.When the first switching switch K1, which switches to contact net 5, to power, contact net 5 and rectifier cabinet E2 is that track operation vehicle 100 carries out vehicle power supply, and passes through first diode VD1 and the second diode VD2 phase respectively simultaneously Mutually isolation, turns off engine D1.Contact net 5 individually power when, when track operation vehicle 100 enter contact net 5 non-Electric region, The control system of high-voltaghe compartment E1 power loss, track operation vehicle 100 still works under the power supply of battery E7.Control system starting Engine D1, and the power source provided using engine D1, to realize that engine D1 and 5 dual service of contact net have no seaming and cutting It changes.
The second switching of arrangement switch K2 in the inside of the first driving switch case S11, when track operation vehicle 100 needs high speed When traveling, switch switch K2 for the output of the first traction invertor E41 and the first high speed running motor M11, second by second The M12 connection of high speed running motor.When track operation vehicle 100 needs low speed operation, the second switching switch K2 is drawn first The output of inverter E41 is connect with the first drive hydraulic motor M21.
In the inside of the second driving switch case S12, arrangement third switches switch K3, when track operation vehicle 100 needs high speed When traveling, switch K3 is switched for the output of the second traction invertor E42 and third high speed running motor M13, the 4th by third The M14 connection of high speed running motor.When track operation vehicle 100 needs low speed operation, third switches switch K3 for the second traction The output of inverter E42 is connect with the second drive hydraulic motor M22.
Under high speed traveling operating condition, when track operation vehicle 100 is braked, the first high speed running motor M11, the second high speed Running motor M12, third high speed running motor M13 and the 4th high speed running motor M14 drag power generation by counter.By the first high speed traveling The alternating current that motor M11 and the second high speed running motor M12 is issued exports inverse to the first traction by the first driving switch case S11 Become device E41.Second driving switch is passed through by the alternating current that third high speed running motor M13, the 4th high speed running motor M14 are issued Case S12 is exported to the second traction invertor E42.Alternating current is turned by the first traction invertor E41, the second traction invertor E42 Change direct current into, which is preferentially supplied to operating system and vehicle-mounted electrical equipment E8 is used.When operating system and vehicle-mounted When electric equipment E8 can not absorb the direct current, then realize that energy disappears by a braking resistor E51 and the second braking resistor E52 respectively Consumption.
Under low speed traveling operating condition, the output of the first traction invertor E41 is switched to by the first driving switch case S11 The frequency variable-voltage power supply of determining of first drive hydraulic motor M21, the first traction invertor E41 output drives the first drive hydraulic motor The constant frequency of M21 constant speed rotary, the first traction invertor E41 output setting keeps the revolving speed of the first drive hydraulic motor M21 permanent It is scheduled on the preferable setting speed of electric braking performance.By the second driving switch case S12 by the outputting cutting of the second traction invertor E42 The frequency variable-voltage power supply of determining for shifting to the second drive hydraulic motor M22, the second traction invertor E42 output drives the second hydraulic-driven electricity The constant frequency of machine M22 constant speed rotary, the second traction invertor E42 output setting makes the revolving speed of the second drive hydraulic motor M22 It is constant in the preferable setting speed of electric braking performance.
First drive hydraulic motor M21 drives the first driven at low speed pump B11 to exist by the first coupled gearbox T11 Constant revolution under optimum operating speed.Second drive hydraulic motor M22 drives second by the second coupled gearbox T12 Driven at low speed pumps B12 constant revolution under optimum operating speed.The first driven at low speed that output end is connected in parallel to each other pumps B11 and second Driven at low speed pumps B12 and mechanical energy is converted to pressure energy, is connected to the first low speed running motor M31 on fluid pressure line, second Pressure energy is converted to mechanical turn by low speed running motor M32, third low speed running motor M33 and the 4th low speed running motor M34 It is dynamic, and coupled wheel 3 is driven to rotate, realize low speed traveling of the track operation vehicle 100 under traction working condition.
Under low speed traveling operating condition, the first low speed running motor M31, the second low speed running motor M32, third low speed traveling Motor M33 and the 4th low speed running motor M34 are dragged by counter, and the kinetic energy of track operation vehicle 100 is converted to fluid pressure line Pressure energy, which drives the first driven at low speed pump B11 and the pump B12 rotation of the second driven at low speed, and makes and the first low speed The first transfer tube B11 connected drive hydraulic motor M21, and the second hydraulic-driven electricity being connected with the second driven at low speed pump B12 Machine M22 power generation.The alternating current that first drive hydraulic motor M21 is issued is exported by the first driving switch case S11 to the first traction Inverter E41, the alternating current that the second drive hydraulic motor M22 is issued are exported by the second driving switch case S12 to the second traction Inverter E42.First traction invertor E41, the second traction invertor E42 convert alternating current to direct current, and the direct current is excellent It is first supplied to operating system and vehicle-mounted electrical equipment E8 is used.When operating system and vehicle-mounted electrical equipment E8 can not absorb, then Energy consumption is realized by the first braking resistor E51 and the second braking resistor E52 respectively, realizes that track operation vehicle 100 is being made Low speed traveling under condition of starting building.
Embodiment 4
A kind of embodiment of the track operation vehicle drive-train method of the present invention based on system described in embodiment 2, track Working truck 100 include power car 1 and Operation Van 2, the method for power transmission the following steps are included:
A vehicle dynamic power system and high speed walking system) are arranged on power car 1, arrange that low speed is walked in Operation Van 2 Action edge source and low constant speed walking system；It is individually arranged in Operation Van 2, or arranges operation system on power car 1 and Operation Van 2 System；
B) vehicle dynamic power system provides power supply for operating system, and selectively walks for high speed walking system or low speed Action edge source provides power supply, and high speed walking system uses electric transmission trailer system, to realize 0~80km/h's of track operation vehicle Traveling speed, and the velocity control accuracy less than 0.5km/h；
C) low speed traveling power source provides hydraulic power supply for low constant speed walking system, and low constant speed walking system uses fax Hydrostatic transmissions trailer system, to realize the traveling speed of track operation vehicle 0.3km~2km/h, and less than 0.02km/h's Velocity control accuracy.
The more detailed technical solution of rest part can be with the corresponding description of reference implementation example 3, and details are not described herein.
Embodiment 5
As shown in figures 4 and 5, the track operation vehicle 100 that the present embodiment is related to, by 2 groups of power car 1 and Operation Van At power car 1 is responsible for providing vehicle power supply, walks action edge and low speed traveling power source at a high speed, and Operation Van 2 is responsible for providing operation Function and the low constant speed traveling of realization.Wherein, power car 1 includes electric equipment compartment 11, powerhouse 12 and iron filings cabin 13.Electric equipment compartment 11 is arranged There are high-voltaghe compartment E1, rectifier cabinet E2, operation power supply box E6, battery E7 and control cabinet 101 (control system is disposed in it).Power Between 12 be disposed with engine D1, generator F1 etc..Iron filings cabin 13 is disposed with braking system cabinet 102 and (is disposed with air damping in it Equipment), milling operation iron filings cabin 1 and milling operation iron filings cabin 2 104.The lower disposed of power car 1 has subordinate inverter E3, combustion Fuel tank 14 and traction invertor 15 (including first traction invertor E41 and the second traction invertor E42).Operation Van 2 includes inspection 21 between repairing, grind operation electric equipment compartment 22 and milling operation electric equipment compartment 23.21 are disposed with inspection rack 201, hydraulic station 202, tool between maintenance Cabinet 203 and milling recyclable device G4.Mill operation electric equipment compartment 22 is disposed with mill Operation control cabinet 204, mill operation driving one 205 and of cabinet It grinds operation and drives cabinet 2 206.Milling operation electric equipment compartment 23 is disposed with milling operation driving cabinet 1, milling operation driving cabinet 2 208 and milling Operation control cabinet 209.The lower disposed of Operation Van 2 has milling apparatus for work G1 and mill apparatus for work G3.
It, can by implementing the technical solution of the track operation vehicle drive-train method of specific embodiment of the invention description It has the following technical effects:
(1) the track operation vehicle drive-train method of specific embodiment of the invention description, high speed traveling use electric transmission, The feature that electric transmission structure is mature, control is simple can be played；Low constant speed traveling uses fax hydrostatic transmissions, can play quiet The characteristics of hydraulic system stable working, response quickly；Two kinds of differences of track operation vehicle high-speed and low constant speed can be met simultaneously Traveling requirement；
(2) the track operation vehicle drive-train method of specific embodiment of the invention description, vehicle high-speed traveling is using friendship Galvanic electricity transmission, low speed traveling use hydrostatic transmissions of the motor as power source, and high, low speed, which is driven, shares pulliung circuit, and can Two-way switching reduces set of system equipment, reduces manufacturing cost, the space for having saved vehicle and weight；
(3) the track operation vehicle drive-train method of specific embodiment of the invention description, by turning for drive hydraulic motor The constant tachometer value very fast in electric braking efficiency and response speed of speed can be improved the revolving speed control essence of drive hydraulic motor Degree, while ensuring the quick recycling and consumption of energy when low speed traveling, to realize the low constant speed control of track operation vehicle；
(4) the track operation vehicle drive-train method of specific embodiment of the invention description, low speed hydraulic pump use constant pressure Pump, while the invariablenes turning speed of low speed hydraulic pump is optimum operating speed, and by adjusting the gear ratio of gearbox, can be made hydraulic Driving motor and driven at low speed revolution speed reach matching；
(5) the track operation vehicle drive-train method of specific embodiment of the invention description, using electric power+engine lose-lose Enter power source, contact net power supply and engine power driving can accomplish seamless switching, both solved diesel emission, vibration, The big defect of noise, and the utilization of clean energy resource is realized, and backup power is provided between non-Electric region.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though So the present invention is disclosed as above with preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art Member, in the case where not departing from Spirit Essence of the invention and technical solution, all using in the methods and techniques of the disclosure above Appearance makes many possible changes and modifications or equivalent example modified to equivalent change to technical solution of the present invention.Therefore, Anything that does not depart from the technical scheme of the invention are made to the above embodiment any simple according to the technical essence of the invention Modification, equivalent replacement, equivalence changes and modification still fall within the range of technical solution of the present invention protection.

Claims (10)

1. a kind of track operation vehicle drive-train method, which is characterized in that the track operation vehicle (100) includes power car (1) and Operation Van (2), the method for power transmission the following steps are included:
A vehicle dynamic power system, high speed walking system and low speed traveling power source) are arranged on the power car (1), in institute It states cloth on Operation Van (2) and sets low constant speed walking system；Individually arranged on the Operation Van (2), or in the power car (1) and Operation Van arranges operating system on (2)；
B) the vehicle dynamic power system provides power supply for the operating system, and is selectively the high speed walking system Or low speed traveling power source provides power supply, the high speed walking system uses electric transmission trailer system, to realize that the track is made The traveling speed of 0~80km/h of industry vehicle, and the velocity control accuracy less than 0.5km/h；
C) the low speed traveling power source provides hydraulic power supply, the low constant speed walking system for the low constant speed walking system Using fax hydrostatic transmissions trailer system, to realize the traveling speed of the track operation vehicle 0.3km~2km/h and small In the velocity control accuracy of 0.02km/h.
2. a kind of track operation vehicle drive-train method, which is characterized in that the track operation vehicle (100) includes power car (1) and Operation Van (2), the method for power transmission the following steps are included:
A vehicle dynamic power system and high speed walking system, the cloth on the Operation Van (2)) are arranged on the power car (1) Set low fast traveling power source and low constant speed walking system；It is individually arranged on the Operation Van (2), or in the power car (1) And operating system is arranged in Operation Van (2)；
B) the vehicle dynamic power system provides power supply for the operating system, and is selectively the high speed walking system Or low speed traveling power source provides power supply, the high speed walking system uses electric transmission trailer system, to realize that the track is made The traveling speed of 0~80km/h of industry vehicle, and the velocity control accuracy less than 0.5km/h；
C) the low speed traveling power source provides hydraulic power supply, the low constant speed walking system for the low constant speed walking system Using fax hydrostatic transmissions trailer system, to realize the traveling speed of the track operation vehicle 0.3km~2km/h and small In the velocity control accuracy of 0.02km/h.
3. track operation vehicle drive-train method according to claim 1 or 2, it is characterised in that: the vehicle power Power-supply system includes engine (D1), generator (F1), rectifier cabinet (E2) and high-voltaghe compartment (E1)；
Chemical energy is converted to mechanical energy by the engine (D1), and provides power resources, and the generator (F1) is by the hair The mechanical energy of motivation (D1) output is converted into alternating current；The alternating current that the rectifier cabinet (E2) exports the generator (F1) turns It is melted into direct current, and is exported to high-voltaghe compartment (E1)；The high-voltaghe compartment (E1) is for selecting and guaranteeing railway operation vehicle (100) Vehicle power supply source.
4. track operation vehicle drive-train method according to claim 3, it is characterised in that: the high speed walking system It is high including the first high speed running motor (M11), the second high speed running motor (M12), third high speed running motor (M13) and the 4th Fast running motor (M14)；The vehicle dynamic power system further includes the first traction invertor (E41), the second traction invertor (E42), the first braking resistor (E51) and the second braking resistor (E52)；The low speed traveling power source includes the first low speed traveling Power source and the second low speed traveling power source arrange the first driving switch case (S11) and the second driving on the power car (1) Switch-box (S12)；
The direct current that high-voltaghe compartment (E1) exports is converted into variable-frequency variable-voltage power supply by first traction invertor (E41), and is driven The first high speed running motor (M11) and the second high speed running motor (M12)；Pass through the first driving switch case (S11) The output of first traction invertor (E41) is forwarded to the first low speed traveling power source for selection or first high speed is walked Row motor (M11) and the second high speed running motor (M12)；First braking resistor (E51) consumes the first high speed traveling Generation and the operating system and vehicle-mounted electrical equipment (E8) when motor (M11) and second high speed running motor (M12) electric braking The electric energy being not used；
The direct current that high-voltaghe compartment (E1) exports is converted into variable-frequency variable-voltage power supply by second traction invertor (E42), and is driven The third high speed running motor (M13) and the 4th high speed running motor (M14)；Pass through the second driving switch case (S12) The output of second traction invertor (E42) is forwarded to the second low speed traveling power source for selection or third high speed is walked Row motor (M13) and the 4th high speed running motor (M14)；Second braking resistor (E52) consumes the third high speed traveling Generation and the operating system and vehicle-mounted electrical equipment (E8) when motor (M13) and the 4th high speed running motor (M14) electric braking The electric energy being not used.
5. track operation vehicle drive-train method according to claim 4, it is characterised in that: the first low speed traveling Power source includes the first drive hydraulic motor (M21), the first gearbox (T11) and the first driven at low speed pump (B11)；Described second Low speed traveling power source includes the second drive hydraulic motor (M22), the second gearbox (T12) and the second driven at low speed pump (B12)；
The electric energy that first driving switch case (S11) exports is converted to motor rotation by first drive hydraulic motor (M21) Mechanical energy drives the first gearbox (T11) being connected with first drive hydraulic motor (M21), then by first speed change Case (T11) drives the first driven at low speed pump (B11)；
The electric energy that second driving switch case (S12) exports is converted to motor rotation by second drive hydraulic motor (M22) Mechanical energy drives the second gearbox (T12) being connected with second drive hydraulic motor (M22), then by second speed change Case (T12) drives the second driven at low speed pump (B12)；
The delivery outlet of first driven at low speed pump (B11) and the second driven at low speed pump (B12) is connected in parallel to fluid pressure line；Pass through Frequency variable-voltage power supply is determined in first traction invertor (E41), the second traction invertor (E42) output, makes the described first hydraulic drive Dynamic motor (M21), the second drive hydraulic motor (M22) are with the tachometer value constant speed rotary of setting；And pass through first gearbox (T11), the second gearbox (T12) increases reduction ratio and the tachometer value of the setting, so that when track operation vehicle (100) are low When constant speed traveling, first drive hydraulic motor (M21), the second drive hydraulic motor (M22) work in electric braking performance compared with Good region.
6. track operation vehicle drive-train method according to claim 5, it is characterised in that: the low constant speed traveling system System includes the first low speed running motor (M31), the second low speed running motor (M32), third low speed running motor (M33) and the 4th Low speed running motor (M34)；
By the first low speed running motor (M31), the second low speed running motor (M32), third low speed running motor (M33) and 4th low speed running motor (M34) is connected on fluid pressure line, and connects accumulator (Y1) on the fluid pressure line；
The first low speed running motor (M31), the second low speed running motor (M32), third low speed running motor (M33) and Four low speed running motors (M34) convert the pressure energy of the fluid pressure line to the mechanical energy of motor rotation, and drive the rail The operation of road working truck (100) low speed, while passing through the pressure stationarity of the accumulator (Y1) raising fluid pressure line.
7. track operation vehicle drive-train method according to claim 6, it is characterised in that: the operating system includes Mill apparatus for work (G1), iron filings recyclable device (G2), mill apparatus for work (G3) and milling recyclable device (G4)；
Subordinate inverter (E3), operation power supply box (E6) and battery (E7) are arranged on the power car (1)；
The direct current that high-voltaghe compartment (E1) exports is converted to the electricity of track operation vehicle (100) needs by the subordinate inverter (E3) Source standard powers for the vehicle-mounted electrical equipment (E8), and charges to the battery (E7)；The operation power supply box (E6) converting direct-current power into alternating-current power for exporting high-voltaghe compartment (E1), and be the milling apparatus for work (G1), iron filings recyclable device (G2), apparatus for work (G3) and milling recyclable device (G4) power supply are ground.
8. track operation vehicle drive-train method according to claim 7, it is characterised in that: at the high-voltaghe compartment (E1) Interior the first switching switch (K1) of arrangement, can alternatively be switched in contact net (5) or library by the first switching switch (K1) Power supply (10) power supply, or ground connection；
When the first switching switch (K1) switches to the contact net (5) power supply, the contact net (5) and the rectifier cabinet (E2) vehicle power supply is carried out for track operation vehicle (100) simultaneously, and passes through first diode (VD1) and the second diode respectively (VD2) mutually isolated, turn off the engine (D1)；
The contact net (5) individually power when, when the track operation vehicle (100) enter contact net (5) non-Electric region, it is described The control system of high-voltaghe compartment (E1) power loss, the track operation vehicle (100) still works under the power supply of battery (E7)；Control System processed starts the engine (D1), and the power source provided using the engine (D1), to realize the engine (D1) and contact net (5) dual service and seamless switching.
9. according to claim 6,7 or 8 described in any item track operation vehicle drive-train methods, it is characterised in that:
The second switching switch (K2) of arrangement in the inside of the first driving switch case (S11), when the track operation vehicle (100) when needing high speed traveling, by it is described second switching switch (K2) will the output of first traction invertor (E41) and The first high speed running motor (M11), the connection of the second high speed running motor (M12)；When the track operation vehicle (100) needs When wanting low speed operation, second switching switchs (K2) for the output of first traction invertor (E41) and first liquid Press driving motor (M21) connection；
In the inside of the second driving switch case (S12) arrangement third switching switch (K3), when the track operation vehicle (100) when needing high speed traveling, by the third switch switch (K3) will the output of second traction invertor (E42) and The third high speed running motor (M13), the connection of the 4th high speed running motor (M14)；When the track operation vehicle (100) needs When wanting low speed operation, the third switching switchs (K3) for the output of second traction invertor (E42) and second liquid Press driving motor (M22) connection；
Under high speed traveling operating condition, when the track operation vehicle (100) braking, the first high speed running motor (M11), Second high speed running motor (M12), third high speed running motor (M13) and the 4th high speed running motor (M14) drag power generation by counter； It is driven by the alternating current that the first high speed running motor (M11) and the second high speed running motor (M12) issue by described first Dynamic switch-box (S11) is exported to the first traction invertor (E41)；It is walked by the third high speed running motor (M13), the 4th high speed The alternating current that row motor (M14) issues is exported by the second driving switch case (S12) to the second traction invertor (E42)； Direct current is converted alternating current to by first traction invertor (E41), the second traction invertor (E42), the direct current is excellent It is first supplied to the operating system and vehicle-mounted electrical equipment (E8) uses；When the operating system and vehicle-mounted electrical equipment (E8) nothing When method absorbs the direct current, then realize that energy disappears by first braking resistor (E51) and the second braking resistor (E52) respectively Consumption.
10. track operation vehicle drive-train method according to claim 9, it is characterised in that:
Under low speed traveling operating condition, by the first driving switch case (S11) by the outputting cutting of the first traction invertor (E41) It shifts to the first drive hydraulic motor (M21), frequency variable-voltage power supply driving described the is determined in first traction invertor (E41) output One drive hydraulic motor (M21) constant speed rotary, the constant frequency of first traction invertor (E41) output setting make described the The invariablenes turning speed of one drive hydraulic motor (M21) is in the preferable setting speed of electric braking performance；Pass through second driving switch Case (S12) switches to the output of the second traction invertor (E42) the second drive hydraulic motor (M22), and second traction is inverse The frequency variable-voltage power supply of determining for becoming device (E42) output drives the second drive hydraulic motor (M22) constant speed rotary, second traction The constant frequency of inverter (E42) output setting makes the invariablenes turning speed of second drive hydraulic motor (M22) in electric braking It can preferable setting speed；
First drive hydraulic motor (M21) drives first low speed to drive by coupled the first gearbox (T11) Dynamic pump (B11) constant revolution under optimum operating speed；Second drive hydraulic motor (M22) passes through coupled second Gearbox (T12) drives second driven at low speed to pump (B12) constant revolution under optimum operating speed；Output end is connected in parallel to each other The first driven at low speed pump (B11) and the second driven at low speed pump (B12) and mechanical energy be converted to pressure energy, be connected to fluid pressure line On the first low speed running motor (M31), the second low speed running motor (M32), third low speed running motor (M33) and the 4th low Pressure energy is converted to mechanical rotation by fast running motor (M34), and coupled wheel (3) is driven to rotate, and realizes the rail Low speed traveling of the road working truck (100) under traction working condition；
Under low speed traveling operating condition, the first low speed running motor (M31), the second low speed running motor (M32), third low speed Running motor (M33) and the 4th low speed running motor (M34) are dragged by counter, and the kinetic energy of the track operation vehicle (100) is turned It is changed to the pressure energy of fluid pressure line, which drives the first driven at low speed pump (B11) and the second driven at low speed pump (B12) Rotation, and to pump (B11) first drive hydraulic motor (M21) for being connected with first driven at low speed, and with described second Driven at low speed pumps (B12) connected the second drive hydraulic motor (M22) power generation；First drive hydraulic motor (M21) issues Alternating current export by the first driving switch case (S11) to first traction invertor (E41), second hydraulic-driven The alternating current that motor (M22) issues is exported by the second driving switch case (S12) to second traction invertor (E42)；Institute State the first traction invertor (E41), the second traction invertor (E42) converts alternating current to direct current, which preferentially mentions It supplies operating system and vehicle-mounted electrical equipment (E8) uses；When the operating system and vehicle-mounted electrical equipment (E8) can not absorb When, then energy consumption is realized by first braking resistor (E51) and the second braking resistor (E52) respectively, realize the rail Low speed traveling of the road working truck (100) under damped condition.
CN201910099689.0A 2019-01-31 2019-01-31 Power transmission method for rail operation vehicle Active CN109606395B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843804A (en) * 2019-11-11 2020-02-28 中铁第四勘察设计院集团有限公司 Dual-power constant low-speed steel rail laser strengthening vehicle and control method thereof
CN111267878A (en) * 2020-02-25 2020-06-12 株洲时代电子技术有限公司 Rail engineering vehicle transmission system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110843804A (en) * 2019-11-11 2020-02-28 中铁第四勘察设计院集团有限公司 Dual-power constant low-speed steel rail laser strengthening vehicle and control method thereof
CN110843804B (en) * 2019-11-11 2024-03-15 中铁第四勘察设计院集团有限公司 Dual-power constant low-speed steel rail laser strengthening vehicle and control method thereof
CN111267878A (en) * 2020-02-25 2020-06-12 株洲时代电子技术有限公司 Rail engineering vehicle transmission system
CN111267878B (en) * 2020-02-25 2024-05-28 株洲时代电子技术有限公司 Transmission system of railway engineering vehicle

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