CN114044009A - Double-power transmission system suitable for tamping stabilizing vehicle and tamping stabilizing vehicle - Google Patents
Double-power transmission system suitable for tamping stabilizing vehicle and tamping stabilizing vehicle Download PDFInfo
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- CN114044009A CN114044009A CN202111322533.8A CN202111322533A CN114044009A CN 114044009 A CN114044009 A CN 114044009A CN 202111322533 A CN202111322533 A CN 202111322533A CN 114044009 A CN114044009 A CN 114044009A
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- tamping
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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
- B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
- E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
- E01B27/20—Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The application provides a double-power transmission system suitable for a tamping stabilizing vehicle and the tamping stabilizing vehicle, wherein the double-power transmission system comprises a double-power source used for providing electric energy for the tamping stabilizing vehicle; the driving motors are respectively arranged at part of axles of the tamping stabilizing vehicle and a transmission shaft at the front end of an operation system of the tamping stabilizing vehicle; and the traction converter device is used for transmitting the electric energy provided by the double power sources to each driving motor so as to enable the tamping stabilizing vehicle to walk and operate. The tamping stabilizing vehicle comprises the double-power system. The transmission system has the advantages of small emission pollution, more environmental protection, diversified application scenes and strong power, and is not limited by environments such as high altitude, high cold and the like.
Description
Technical Field
The application relates to the technical field of railway engineering machinery, in particular to a double-power transmission system suitable for a tamping stabilizing vehicle and the tamping stabilizing vehicle.
Background
The tamping stabilizing vehicle is an important vehicle type of large-scale road maintenance machinery, in the field of traditional rail engineering vehicles, based on application scenes and technical storage conditions, a power transmission system always adopts an internal combustion driving mode, the main flow is internal combustion hydraulic mechanical driving, internal combustion hydrostatic driving and the like, and the tamping stabilizing vehicle has the characteristics of high speed control precision, stable extremely-low constant speed operation state, strong maneuverability, small limitation by line conditions and the like.
However, as the application scenes are widened, the hydromechanical and hydrostatic driving modes also expose a plurality of problems: the environmental pollution is great, and energy resource consumption is high, reveals the risk height, easily causes the potential safety hazard, and it is not simple enough to maintain the use, and plateau, long and large ramp use are caught in the limited, adhesion scheduling problem of power performance, and there are more problems in the use of internal-combustion engine group. Host computer factory and each branch of academic or vocational study unit have also developed the exploration to the novel power transmission mode in railway maintenance machinery field in recent years, and the development direction mainly focuses on electric drive such as bow net get electricity, battery power supply etc. for guaranteeing that the emergent redundancy of system and application scene are more extensive, mostly all select the cooperation to use diesel generating set, and follow-up link has modes such as electricity drive, quiet hydraulic pressure. With the advancement of infrastructure, pantograph network electricity taking is widely applied due to the cleanness, high efficiency and compact structure of the pantograph network electricity taking machine, but railway engineering machinery mainly operates at low speed, and vehicles cannot be used when entering a phase separation area, a non-electrified railway or a contact network has power failure if only adopting electric drive.
Therefore, in recent years, hybrid drive technology using two motors has been sought in the industry for large railway machines. The existing double-power or hybrid power scheme in the railway market mainly focuses on a railway hybrid locomotive and a hybrid motor train unit, the double-power in the field of railway maintenance machinery mainly puts forward tunnel double-power operation vehicles, grinding vehicles, comprehensive rail inspection vehicles, contact net operation vehicles and the like, wherein part of double-power provided by vehicle types relates to double-power using a diesel generator set and a storage battery as power sources, the double-power provided by the rest most vehicle types is different from the double-power concept provided by the technical scheme, the technical scheme is two different power sources, and the double-power provided by the existing part of patents is only two sets of driving systems or two sets of same power sources. Therefore, by combining the above researches, the research on double-power transmission (hybrid power) in the railway road maintenance machinery market is still in the beginning stage, and especially the research on basic vehicle types such as tamping is still deficient.
The application provides a solution corresponding to a double-power transmission system suitable for the tamping stabilizing vehicle by taking the existing tamping stabilizing vehicle as a support, and has reference application significance for other vehicle types subsequently.
Disclosure of Invention
The application provides a double dynamical transmission system and tamping stabilizing vehicle suitable for tamping stabilizing vehicle to solve traditional tamping vehicle and in the airtight environment in tunnel, big long ramp, the easy technical problem that pollutes that appears in plateau oxygen deficiency environment big, power is not enough, and the technical problem such as unable operation that appears under the not enough or outage operating mode of electronic infrastructure.
In order to solve the technical problem, the present application provides a dual-power transmission system suitable for a tamping stabilizing vehicle, including: the double power sources are used for providing electric energy for the tamping stabilizing vehicle; the driving motors are respectively arranged at part of axles of the tamping stabilizing vehicle and a front-end transmission shaft of an operating system of the tamping stabilizing vehicle; and the traction converter device is used for transmitting the electric energy provided by the double power sources to each driving motor so as to enable the tamping stabilizing vehicle to walk and operate.
Still further, the tamping stabilizing vehicle comprises a tamping vehicle, a satellite vehicle and a stabilizing vehicle, and the driving motor comprises: the stabilizing vehicle traction motor is used for driving the tamping stabilizing vehicle to run at a high speed and is arranged at each stabilizing vehicle axle; the satellite trolley traction motor is used for driving the satellite trolley to run at a low speed when the tamping stabilizing vehicle works; mounted at each satellite cart axle.
Furthermore, the driving motor further comprises an operation system driving motor which is used for driving the operation system when the tamping stabilizing vehicle operates so as to provide power sources for all the working devices. The working device comprises a tamping device, a stabilizing device, a track lifting and shifting device, a track bed cleaning device and the like.
Furthermore, the double power sources comprise a bow net electricity taking device and a vehicle-mounted generator set, and the bow net electricity taking device, the vehicle-mounted generator set and the traction converter device are arranged on a stabilizing vehicle of the tamping stabilizing vehicle.
Still further, characterized in that the traction deflector comprises:
a rectifier for converting a high-voltage alternating current of the power source into a high-voltage direct current and outputting the high-voltage direct current, and a main inverter for converting the high-voltage direct current into a high-voltage alternating current and outputting the high-voltage alternating current, and:
when the tamping stabilizing vehicle runs at a high speed, power is supplied to a traction motor of the stabilizing vehicle;
when the tamping stabilizing vehicle works, the power is supplied to a traction motor of the satellite trolley and a motor of an operation system;
wherein, rectifier and main inverter set up on the stabilizing vehicle of tamping stabilizing vehicle.
Still further, the traction deflector further comprises: the auxiliary inverter is used for converting the high-voltage direct current output by the rectifier into low-voltage alternating current and outputting the low-voltage alternating current so as to provide the low-voltage alternating current for an auxiliary power supply system of the low-voltage tamping stabilizing vehicle; wherein, supplementary inverter sets up on the stabilizing vehicle of tamping stabilizing vehicle.
Furthermore, the pantograph net power taking device comprises a pantograph and a main transformer connected with the pantograph.
The tamping stabilizing vehicle adopting the double-power system further comprises an operation system for realizing various operation functions in the working state of the tamping stabilizing vehicle. The operation functions comprise tamping operation, stabilizing operation, track lifting and shifting operation, track bed cleaning operation and the like.
Furthermore, a stabilizing vehicle gear box is also arranged on the stabilizing vehicle axle, and a stabilizing vehicle traction motor is connected with the stabilizing vehicle gear box and drives the stabilizing vehicle axle to rotate;
and a satellite trolley gear box is also arranged on the satellite trolley axle, and a satellite trolley traction motor is connected with the satellite trolley axle and drives the satellite trolley axle to rotate.
Furthermore, the operation system further comprises a pump driving gear box, a pump group and working devices, wherein the pump group consists of hydraulic pumps, the operation system driving motor drives the pump driving gear box through a transmission shaft, the pump driving gear box drives the pump group, and the hydraulic pumps forming the pump group respectively drive motors arranged on different working devices, so that the working devices of the operation system are driven to operate.
The embodiment of this application still provides a tamping stabilizing vehicle, includes:
the double-power transmission system is suitable for the tamping stabilizing vehicle;
and the operation system is used for realizing various operation functions under the operation working condition of the tamping stabilizing vehicle.
Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects: the device has the advantages of small emission pollution, greenness and environmental protection, more diversified application scenes, strong power and low pollution, can use a contact network for power supply operation in an electrified section, can better adapt to tunnel closed environments, long and steep slopes and plateau anoxic environments for lines such as a hidden line and the like which can be applied in the future, and solves the problems of work reduction, large emission pollution, insufficient power exertion and the like which can possibly occur to engines under the working conditions; the diesel generator set can be used as a standby when no power area is arranged at the tail end of a line section, no power working condition is arranged at the early stage of line construction, and a pantograph network power supply and acquisition system fails or works in a phase separation area, so that the normal operation functions of vehicles are ensured, and the redundancy of a power system is improved.
In addition, the layout mode of the whole vehicle power system is more reasonable, the hydraulic system is partitioned and isolated, the power transmission of the whole vehicle is mainly carried out through a cable, and the hydraulic system is merged into the tail end of a power chain, so that the overall efficiency is higher, and the pollution is less.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic layout of a dual-power transmission system of the present application
FIG. 2 is a block diagram of a power transmission path of a dual-power transmission system of the present application
FIG. 3 is a schematic diagram of a high speed self-operating power transmission route of the present application
Reference numerals:
11-pantograph 12-main transformer 13-diesel generator set 21-traction converter 23-auxiliary inverter 31-tamping car axle 41-satellite trolley traction motor 42-satellite trolley gear box 43-satellite trolley axle 51-stabilizing car traction motor 52-stabilizing car gear box 53-stabilizing car axle 61-operation system drive motor 62-pump drive gear box 63-pump set drive gear box 63
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The dual-power transmission system suitable for the tamping stabilizing vehicle shown in fig. 1 to 3 comprises a dual power source consisting of a pantograph 11, a main transformer 12 and a diesel generator set 13, a traction converter 21, the tamping vehicle, a satellite cart embedded in a frame of the tamping vehicle, a stabilizing vehicle and an operation system. The tamping car is a front car, the satellite trolley is locked with the tamping car under the non-operating state, and the stabilizing car is a rear car. The main transformer 12 is connected with the pantograph 11 through a cable, the traction converter 21 is respectively connected with the main transformer 12 and the diesel generator set 13, and rectifies, filters and inverts the alternating current sent by the main transformer 12 or the diesel generator set 13 into the alternating current which can be used by a system, and the alternating current is respectively sent to the stabilizing vehicle traction motor 51, the satellite trolley traction motor 43 and the operation system driving motor 61 through cables, so that the electric energy is converted into mechanical energy or hydraulic energy by the motors. Under the non-working high-speed running state, the stabilizing vehicle traction motor 51 drives 4 stabilizing vehicle axles 53 to rotate through the stabilizing vehicle gear box 52 to drive the stabilizing vehicle to run on the rails at a high speed, at the moment, the satellite vehicle traction motor 41 does not run, the stabilizing vehicle is connected with the tamping frame through a connecting component, and as the stabilizing vehicle is a rear vehicle, the motion of the stabilizing vehicle can push the tamping frame to move on the rails synchronously, and meanwhile, as the satellite vehicle is locked with the tamping frame when the operation is not needed, the stabilizing vehicle can move along with the tamping vehicle at the moment. I.e. no motor is mounted at the stabilizing shaft 31 of the tamper vehicle.
In an operation state, the satellite trolley and the tamping vehicle are unlocked and can freely move, the stabilizing vehicle traction motor 51 drives the stabilizing vehicle axle 53 to rotate at a low speed through the stabilizing vehicle gear box 52, the stabilizing vehicle is driven to drive the tamping vehicle to advance at a low speed, and the satellite trolley traction motor 41 drives the satellite trolley to run in a stepping mode through the satellite trolley gear box 42; the operation system driving motor 61 drives the pump driving gear box 62 through the operation system front end transmission shaft, the pump driving gear box drives the pump group 63, and each hydraulic pump forming the pump group drives the motor installed on different working devices respectively, so that each working device of the operation system is driven to operate. During operation, an operator can respectively control the running states of the stabilizing car traction motor 51 and the satellite trolley traction motor 41 through the control system.
The traction converter device 21 comprises a rectifier and a main inverter, wherein the rectifier is used for converting high-voltage alternating current of the power source into high-voltage direct current and outputting the high-voltage direct current, and the main inverter is used for converting the high-voltage direct current into high-voltage alternating current and outputting the high-voltage alternating current and supplying power to a traction motor of the stabilizing vehicle when the tamping stabilizing vehicle runs at a high speed; when the tamping stabilizing vehicle works, the power is supplied to a traction motor of the tamping vehicle, a traction motor of the satellite trolley and a motor of an operation system.
In addition, the direct current processed in the middle direct current link of the traction converter device 21 is also transmitted to the auxiliary inverter 23, processed by the auxiliary inverter 23 and transmitted to an auxiliary power system through a cable, so that domestic power such as the whole vehicle illumination, a control system, a socket, an air conditioner and the like is provided.
The main inverters are two sets, wherein one set outputs high-voltage alternating current with the voltage of more than 1000V to each traction motor and each auxiliary inverter, and the other set transmits alternating current with the voltage of 380V to each operation motor.
The double-power transmission system has two power transmission lines which respectively correspond to a high-speed self-running state and a finished automobile operation working condition state.
In the high-speed running state, the power transmission path is as shown in fig. 3: diesel generating set or bow net get electric installation → draw deflector 21 → stabilizer 51 (4) → stabilizer gear case 52, and the satellite dolly locks with the frame of tamping under this state, promotes by the stabilizer by the frame of tamping and moves on the track high-speed certainly, and supplementary power supply route is simultaneously: a diesel generator set or a bow net power taking device → a direct current link in the middle of the traction converter device 21 → an auxiliary inverter → an auxiliary power system.
In the operating condition state, the power transmission route is divided into 4 sub-routes as shown in fig. 1:
1. diesel generator set or bow net power taking device → traction converter device 21 → stabilizing vehicle traction motor 51 (4) → tamping vehicle gearbox 52
2. Diesel generator set or bow net power taking device → traction converter device 21 → satellite vehicle traction motor 36 (2) → satellite vehicle axle gear box 35
3. Diesel generator set or bow net power taking device → traction converter device 21 → operation system driving motor 27 → pump driving gear box 37 → pump group 38 → operation system
4. A diesel generator set or a bow net power taking device → a direct current link in the middle of the traction converter device 21 → an auxiliary inverter 23 → an auxiliary power system.
Example two
The second embodiment is a tamping stabilizing vehicle using the dual-power full-drive transmission system, and includes an operating system for performing tamping operation in the operating state of the tamping stabilizing vehicle, in addition to the dual-power full-drive transmission system.
In implementation, a stabilizing vehicle gear box 52 is further mounted on the stabilizing vehicle axle, and a stabilizing vehicle traction motor 51 is connected with the stabilizing vehicle gear box 52 and drives the stabilizing vehicle axle 33 to rotate;
the satellite trolley axle is also provided with a satellite trolley gear box 42, and a satellite trolley traction motor 41 is connected with the satellite trolley gear box 42 and drives the satellite trolley axle 43 to rotate.
In implementation, the operation system further includes a pump driving gear box 62, a pump set 63 composed of hydraulic pumps, and working devices, the operation system driving motor drives the pump driving gear box through a driving shaft of the operation system, the pump driving gear box drives the pump set, and each hydraulic pump composing the pump set drives motors installed on different working devices respectively, so as to drive each working device of the operation system to operate. In the description of the present application and the embodiments thereof, it is to be understood that the terms "top", "bottom", "height", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In this application and its embodiments, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A dual-power transmission system suitable for a tamping stabilizing vehicle is characterized by comprising:
the double power sources are used for providing electric energy for the tamping stabilizing vehicle;
the driving motors are respectively arranged at part of axles of the tamping stabilizing vehicle and a front-end transmission shaft of an operating system of the tamping stabilizing vehicle;
and the traction converter device is used for transmitting the electric energy provided by the double power sources to each driving motor so as to enable the tamping stabilizing vehicle to walk and operate.
2. The dual power transmission system for a tamper-stabilizing vehicle of claim 1, wherein the tamper-stabilizing vehicle includes a tamper vehicle, a satellite cart and a stabilizing vehicle, and the drive motor includes:
the stabilizing vehicle traction motor is used for driving the tamping stabilizing vehicle to run and is arranged at each stabilizing vehicle axle;
the satellite trolley traction motor is used for driving the satellite trolley to run at a low speed when the tamping stabilizing vehicle works; mounted at each satellite cart axle.
3. The dual power transmission system for a tamper-stabilizing vehicle as claimed in claim 2, wherein the drive motor further comprises a work system drive motor for driving the work system to provide a power source for each of the working devices during operation of the tamper-stabilizing vehicle.
4. The dual-power transmission system suitable for the tamping stabilizing vehicle as claimed in claim 1, wherein the dual power sources comprise a pantograph current-taking device and a vehicle-mounted generator set, and the pantograph current-taking device, the vehicle-mounted generator set and the traction converter device are arranged on the stabilizing vehicle of the tamping stabilizing vehicle.
5. The dual-power transmission system suitable for the tamping stabilizing vehicle as claimed in claim 3, wherein the traction deflector comprises:
a rectifier for converting a high-voltage alternating current of the power source into a high-voltage direct current and outputting the high-voltage direct current, and a main inverter for converting the high-voltage direct current into a high-voltage alternating current and outputting the high-voltage alternating current, and:
when the tamping stabilizing vehicle runs at a high speed, power is supplied to a traction motor of the stabilizing vehicle;
when the tamping stabilizing vehicle works, power is supplied to a stabilizing vehicle traction motor, a satellite trolley traction motor and an operation system motor;
wherein, rectifier and main inverter set up on the stabilizing vehicle of tamping stabilizing vehicle.
6. The dual power transmission system for a tamper-stabilizing vehicle of claim 5, wherein the traction deflector further comprises:
the auxiliary inverter is used for converting the high-voltage direct current output by the rectifier into low-voltage alternating current and outputting the low-voltage alternating current so as to provide the low-voltage alternating current for an auxiliary power supply system of the low-voltage tamping stabilizing vehicle;
wherein, supplementary inverter sets up on the stabilizing vehicle of tamping stabilizing vehicle.
7. The hybrid transmission system for the tamping stabilizing vehicle according to claim 4, wherein the pantograph-catenary power take-off device comprises a pantograph and a main transformer connected thereto.
8. A tamping stabilizing vehicle, comprising:
the dual-power transmission system suitable for the tamping stabilizing vehicle of any one of claims 1 to 7;
and the operation system is used for realizing various operation functions under the operation working condition of the tamping stabilizing vehicle.
9. The tamper-stabilising vehicle of claim 8,
a stabilizing vehicle traction motor is connected with the stabilizing vehicle gear box and drives the stabilizing vehicle shaft to rotate;
and a satellite trolley gear box is also arranged on the satellite trolley axle, and a satellite trolley traction motor is connected with the satellite trolley axle gear box and drives the satellite trolley axle to rotate.
10. The tamping stabilizing vehicle according to claim 8, wherein the working system further comprises a pump driving gear box, a pump group consisting of hydraulic pumps, and working devices, the working system driving motor drives the pump driving gear box through the transmission shaft, the pump driving gear box drives the pump group, and the hydraulic pumps constituting the pump group respectively drive motors installed at different working devices, thereby driving the working devices of the working system to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322533.8A CN114044009B (en) | 2021-11-09 | 2021-11-09 | Double-power transmission system suitable for tamping stabilizing vehicle and tamping stabilizing vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111322533.8A CN114044009B (en) | 2021-11-09 | 2021-11-09 | Double-power transmission system suitable for tamping stabilizing vehicle and tamping stabilizing vehicle |
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| CN114044009A true CN114044009A (en) | 2022-02-15 |
| CN114044009B CN114044009B (en) | 2023-02-03 |
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| JPH0698409A (en) * | 1992-09-11 | 1994-04-08 | Hitachi Ltd | Inverter controlled type electric rolling stock |
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| CN210002184U (en) * | 2019-01-31 | 2020-01-31 | 株洲时代电子技术有限公司 | Transmission system of rail working vehicle |
| 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 |
| CN112553986A (en) * | 2020-11-30 | 2021-03-26 | 宝鸡中车时代工程机械有限公司 | Hybrid rail grinding wagon |
| CN213973964U (en) * | 2021-01-06 | 2021-08-17 | 金鹰重型工程机械股份有限公司 | Power transmission device of tamping car for railway maintenance |
-
2021
- 2021-11-09 CN CN202111322533.8A patent/CN114044009B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698409A (en) * | 1992-09-11 | 1994-04-08 | Hitachi Ltd | Inverter controlled type electric rolling stock |
| CN107554299A (en) * | 2017-09-20 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of railway engineering mechanical mixture power source system |
| CN210002184U (en) * | 2019-01-31 | 2020-01-31 | 株洲时代电子技术有限公司 | Transmission system of rail working vehicle |
| 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 |
| CN112553986A (en) * | 2020-11-30 | 2021-03-26 | 宝鸡中车时代工程机械有限公司 | Hybrid rail grinding wagon |
| CN213973964U (en) * | 2021-01-06 | 2021-08-17 | 金鹰重型工程机械股份有限公司 | Power transmission device of tamping car for railway maintenance |
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| Publication number | Publication date |
|---|---|
| CN114044009B (en) | 2023-02-03 |
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