CN205220662U - Railway electric traction car - Google Patents
Railway electric traction car Download PDFInfo
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- CN205220662U CN205220662U CN201520844340.2U CN201520844340U CN205220662U CN 205220662 U CN205220662 U CN 205220662U CN 201520844340 U CN201520844340 U CN 201520844340U CN 205220662 U CN205220662 U CN 205220662U
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- inverter
- traction
- swing arm
- tractor truck
- vehicle frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model provides a railway electric traction car, which comprises a vehicle rack, two direction subassemblies, four wheels, four traction motor and control mechanism, the both ends of frame are provided with the direction subassembly respectively, the both sides of frame are provided with two wheels respectively, traction motor with correspond the wheel transmission and be connected, the direction subassembly includes the leading wheel, swing arm and oil hydraulic cylinder, the rotatable connection in the upper end of swing arm is on the frame, the lower tip in the swing arm is installed to the leading wheel, the oil hydraulic cylinder is connected between swing arm and frame, control mechanism includes traction control ware and power input module and four first dc -to -ac converters, power input module is connected with the traction motor who corresponds through first dc -to -ac converter, the traction control ware is connected with four first dc -to -ac converters respectively. Because four wheels by independent traction motor individual drive, satisfy green's requirement, need not too big space at the in -process of transfering the direction, make things convenient for operating personnel to drive the operation.
Description
Technical field
The utility model relates to rail car, particularly relates to a kind of electric railway tractor truck.
Background technology
At present, Rail Highway tractor truck of the prior art normally adopts automobile repacking, by the operation of motor-driven tractor vehicle, four wheels on tractor truck, wherein headstock direction two wheels as wheel flutter be used for controlling party to, and two of tailstock direction wheels drive it to rotate by driving engine by transmission device as power wheel.And in actual use, tractor truck tractor-trailer train on railway needs consume a large amount of gasoline and discharge a large amount of tail gas, meanwhile, by the restriction of railway practical service environment, the larger and inconvenient operating personal in the space that tractor truck needs in the process of turning direction operates.How to design a kind of environmental protection and tractor truck easy to use is technical problem to be solved in the utility model.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of electric railway tractor truck, realize the emission-free discharge of electric railway tractor truck, meet the requirement of environmental protection, and handled easily personnel drives use.
The technical scheme that the utility model provides is, a kind of electric railway tractor truck, comprise vehicle frame, two guidance sets, four wheels, four traction electric machines and control mechanism, the both ends of described vehicle frame are respectively arranged with described guidance set, the both sides of described vehicle frame are respectively arranged with two described wheels, described traction electric machine connects with corresponding described wheel drive, described guidance set comprises track adjusting wheel, swing arm and oil hydraulic cylinder, the upper end of described swing arm is rotating to be connected on described vehicle frame, described track adjusting wheel is arranged on the bottom of described swing arm, described oil hydraulic cylinder is connected between described swing arm and described vehicle frame, described control mechanism comprises traction controller and Power Entry Module and four the first inverters, described Power Entry Module is connected with corresponding described traction electric machine by described first inverter, described traction controller respectively first inverter described with four is connected.
Further, described Power Entry Module comprises external power supply terminal, the second inverter, buck-boost chopper and storage battery, described external power supply terminal is connected with described buck-boost chopper by described second inverter, and described buck-boost chopper is connected with described storage battery and described first inverter respectively.
Further, described buck-boost chopper is also connected with braking resistor.
Further, described electric railway tractor truck also comprises hydraulic pump motor, and described Power Entry Module comprises the 3rd inverter, and described hydraulic pump motor is connected with described buck-boost chopper by described 3rd inverter.
The electric railway tractor truck that the utility model provides, tractor truck is guided to move on rail by arranging guidance set, and four wheels drive its independent operation by independently traction electric machine, traction electric machine adopts electrical energy drive and without the need to non-combusted fuels, stop the discharge of tail gas, meet the requirement of environmental protection, simultaneously, because four wheels are by independently traction electric machine individual drive, can need to control each traction electric machine independent operating according to operation, thus achieve pivot stud function, without the need to excessive space in the process of turning direction, handled easily personnel carry out driver behavior.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model electric railway tractor truck embodiment;
Fig. 2 is the schematic circuit diagram of the utility model electric railway tractor truck embodiment.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 2, the present embodiment electric railway tractor truck, comprise vehicle frame 1, two guidance sets 2, four wheels 3, four traction electric machines 4 and control mechanism 5, the both ends of described vehicle frame 1 are respectively arranged with described guidance set 2, the both sides of described vehicle frame 1 are respectively arranged with two described wheels 3, described traction electric machine 4 is in transmission connection with corresponding described wheel 3, described guidance set 2 comprises track adjusting wheel 21, swing arm 22 and oil hydraulic cylinder 23, the upper end of described swing arm 22 is rotating to be connected on described vehicle frame 1, described track adjusting wheel 21 is arranged on the bottom of described swing arm 22, described oil hydraulic cylinder 23 is connected between described swing arm 22 and described vehicle frame 1, described control mechanism 5 comprises traction controller 51 and Power Entry Module 52 and four the first inverters 53, described Power Entry Module 52 is connected with corresponding described traction electric machine 4 by described first inverter 53, described traction controller 51 respectively first inverter 53 described with four is connected.
Specifically, the present embodiment electric railway tractor truck by arranging guidance set 2 on vehicle frame 1, track adjusting wheel 21 in guidance set 2 can coordinate rail to move, move along rail smoothly with the present embodiment electric railway tractor truck enable, and the present embodiment electric railway tractor truck adopts traction electric machine 4 to drive wheel 3 to rotate, traction electric machine 4 to be fixed on vehicle frame 1 and can to rotate and also wheel 3 can be driven to rotate by transmission device by direct drive of wheel 3, and because four wheels 3 are by independently traction electric machine 4 driving rotation, different traction electric machine 4 rotatings can be controlled as required, reach the function of pivot stud.Wherein, Power Entry Module 52 is for powering to traction electric machine 4, and in order to utilize the electric power system 520 of Railway System, Power Entry Module 52 comprises external power supply terminal 521, second inverter 522, buck-boost chopper 523 and storage battery 524, described external power supply terminal 521 is connected with described buck-boost chopper 523 by described second inverter 522, and described buck-boost chopper 523 is connected with described storage battery 524 and described first inverter 53 respectively.Concrete, external power supply terminal 521 can be connected with the electric power system 520 of outside and inputs electric energy, and by the second inverter 522, buck-boost chopper 523 and the first inverter 53 for traction electric machine 4 provides electric energy, and electric energy can be provided to store energy for storage battery 524.In addition, described buck-boost chopper 523 is also connected with braking resistor 525, in braking procedure, is embodied as storage battery 524 and carries out charging and realize energy regenerating.The present embodiment electric railway tractor truck also comprises hydraulic pump motor 6, described Power Entry Module 52 comprises the 3rd inverter 526, described hydraulic pump motor 6 is connected with described buck-boost chopper 523 by described 3rd inverter 526, hydraulic pump motor 6 can drive hydraulic oil to supply oil hydraulic cylinder 23, to drive oil hydraulic cylinder 23 action.
In actual use, current inversion is become the alternating-current voltage/AC voltage of three-phase Frequency Adjustable amplitude modulation by traction controller 51 by Power Entry Module 52, drive alternating current asynchronous traction electric machine 4 to operate, meet traction electric machine 4 each running velocity requirement within the scope of maximum operational speed.When driving operating mode, traction controller 51 controls that the voltage unsteady flow that Power Entry Module 52 supplies the first inverter 53 is voltage, the three-phase alternating current electric drive traction electric machine 4 of frequency-adjustable runs; During damped condition, energy flow is to outputting to Power Entry Module 52 for traction electric machine 4, and when carrying out regenerative braking to storage battery 524, braking energy charges to storage battery 524; When storage battery 524 voltage and residual capacity reach its maximum limit, then by unnecessary braking energy consumption in braking resistor 525; During electric discharge, tractor truck adopts storage battery 524 as car load power.
Traction controller 51 mode of operation of the present embodiment electric railway tractor truck has railroad mode and highway pattern three kinds, and the method controlled under different mode of operations is different.Highway pattern, when highway pattern travels, the control of tractor truck adopts rotating speed control mode, and ensure that tractor truck is can according to straight-line travelling through rough ground, four traction electric machines 4 are synchronous in craspedodrome hourly velocity.The speed discrepancy controlling four traction electric machines 4 by traction controller 51 when tractor truck turns to realizes turning to, and traction controller 51 4 tunnel exports and independent can control four traction electric machines 4 respectively; Railroad mode, when railroad mode travels, tractor truck adopts power control mode, ensure that tractor truck is can according to the automatic adjusted curved speed of the change of guidance force through bend, guarantee the safety turned to, because the moment of traction electric machine 4 is identical when railway straight line travels, follow rotating speed identical, four traction electric machines 4 now speed sync.
The electric railway tractor truck that the utility model provides, tractor truck is guided to move on rail by arranging guidance set, and four wheels drive its independent operation by independently traction electric machine, traction electric machine adopts electrical energy drive and without the need to non-combusted fuels, stop the discharge of tail gas, meet the requirement of environmental protection, simultaneously, because four wheels are by independently traction electric machine individual drive, can need to control each traction electric machine independent operating according to operation, thus achieve pivot stud function, without the need to excessive space in the process of turning direction, handled easily personnel carry out driver behavior.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. an electric railway tractor truck, it is characterized in that, comprise vehicle frame, two guidance sets, four wheels, four traction electric machines and control mechanism, the both ends of described vehicle frame are respectively arranged with described guidance set, the both sides of described vehicle frame are respectively arranged with two described wheels, described traction electric machine connects with corresponding described wheel drive, described guidance set comprises track adjusting wheel, swing arm and oil hydraulic cylinder, the upper end of described swing arm is rotating to be connected on described vehicle frame, described track adjusting wheel is arranged on the bottom of described swing arm, described oil hydraulic cylinder is connected between described swing arm and described vehicle frame, described control mechanism comprises traction controller and Power Entry Module and four the first inverters, described Power Entry Module is connected with corresponding described traction electric machine by described first inverter, described traction controller respectively first inverter described with four is connected.
2. electric railway tractor truck according to claim 1, it is characterized in that, described Power Entry Module comprises external power supply terminal, the second inverter, buck-boost chopper and storage battery, described external power supply terminal is connected with described buck-boost chopper by described second inverter, and described buck-boost chopper is connected with described storage battery and described first inverter respectively.
3. electric railway tractor truck according to claim 2, is characterized in that, described buck-boost chopper is also connected with braking resistor.
4. electric railway tractor truck according to claim 2, it is characterized in that, described electric railway tractor truck also comprises hydraulic pump motor, and described Power Entry Module comprises the 3rd inverter, and described hydraulic pump motor is connected with described buck-boost chopper by described 3rd inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844340.2U CN205220662U (en) | 2015-10-28 | 2015-10-28 | Railway electric traction car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844340.2U CN205220662U (en) | 2015-10-28 | 2015-10-28 | Railway electric traction car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220662U true CN205220662U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520844340.2U Active CN205220662U (en) | 2015-10-28 | 2015-10-28 | Railway electric traction car |
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| CN (1) | CN205220662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074505A (en) * | 2020-08-14 | 2022-02-22 | 比亚迪股份有限公司 | Bogie, rail vehicle and rail transit system |
-
2015
- 2015-10-28 CN CN201520844340.2U patent/CN205220662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074505A (en) * | 2020-08-14 | 2022-02-22 | 比亚迪股份有限公司 | Bogie, rail vehicle and rail transit system |
| CN114074505B (en) * | 2020-08-14 | 2023-11-14 | 比亚迪股份有限公司 | Bogie, rail vehicle and rail traffic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: CRRC SIFANG Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CSR SIFANG ROLLING STOCK Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210729 Address after: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee after: Qingdao CRRC Sifang Rail Vehicle Co.,Ltd. Address before: 266111 Hongping Road, Chengyang District, Qingdao, Shandong Province, No. 9 Patentee before: CRRC SIFANG Co.,Ltd. |
|
| TR01 | Transfer of patent right |