CN210284211U - Hydraulic transmission contact net operation vehicle for subway - Google Patents
Hydraulic transmission contact net operation vehicle for subway Download PDFInfo
- Publication number
- CN210284211U CN210284211U CN201920894303.0U CN201920894303U CN210284211U CN 210284211 U CN210284211 U CN 210284211U CN 201920894303 U CN201920894303 U CN 201920894303U CN 210284211 U CN210284211 U CN 210284211U
- Authority
- CN
- China
- Prior art keywords
- frame
- power
- subway
- hydraulic
- diesel engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model provides a subway hydraulic transmission contact net operation car mainly includes frame, cab, power and power auxiliary system, transmission system, walks capable portion, braking system, electric system, operating device and hydraulic system, both can carry out the contact net and detect also can carry out the maintenance of contact net, maintain and maintain, also can even hang with subway contact net wire barrow, constitutes the subway hydraulic transmission contact net operation car that the unwrapping wire set carries out contact net unwrapping wire operation and stringing operation. Compared with the prior art, the utility model discloses a subway hydraulic transmission contact net operation car, extensive applicability has good dynamic performance and traction performance; the power system adopts an electronic injection and water-cooling diesel engine, meets the requirements of 50T traction starting and passing through a 35 per mill ramp, and has the advantages of high reliability, low oil consumption, low noise, good energy-saving and environment-friendly properties and excellent economical efficiency.
Description
Technical Field
The utility model relates to an urban rail engineering machinery especially relates to an apply to track engineering's subway hydraulic transmission contact net operation car.
Background
Along with the continuous promotion of urban subway traffic scale, operation speed, operation mileage, operation frequency and other aspects in China, the maintenance and overhaul work requirements of subway lines are increased, and the requirements for line overhaul engineering vehicles are also increased.
The operation vehicle of the contact net in the related technology is classified finely, generally is a special vehicle with single function, and mainly uses an oil-driven mode, so that the environmental protection performance is poor due to the exhaust gas, and the economical efficiency is not ideal.
Therefore, it is necessary to provide a new hydraulic transmission overhead line system working vehicle for the subway to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a subway hydraulic transmission contact net operation car that extensive applicability, feature of environmental protection are high and economic nature is excellent.
In order to solve the technical problem, the utility model provides a subway hydraulic transmission contact net operation car, include: the middle end of the frame is provided with a machine room; the cab is fixedly arranged at the front end of the top surface of the frame; the power and power auxiliary system is assembled between machines of the frame and comprises a diesel engine fixed on the frame, a diesel engine exhaust device fixed on the right side of the frame and connected with the diesel engine for exhausting, a diesel engine air inlet device fixed on the frame and connected with the diesel engine for air inlet, a hydraulic oil radiator for radiating and a radiating water tank for radiating the diesel engine; the transmission system is arranged at the bottom of the frame and comprises a hydraulic transmission box fixed on the frame, a transmission shaft connected with the hydraulic transmission box, an axle gear box connected with the transmission shaft and a wheel pair connected with an output shaft of the axle gear box, the transmission system is a hydraulic-mechanical transmission system, and the axis is 2-B; the walking part is arranged at the bottom of the frame and comprises a power bogie positioned at the front end of the frame and a non-power bogie positioned at the rear end of the frame, and the power bogie and the non-power bogie are of a two-axle universal bogie structure; the braking system is arranged on the frame, adopts a JZ-7G type brake and is used for realizing braking and parking on the walking part; the electric system is arranged on the frame and used for realizing electric control and power supply of the subway hydraulic transmission contact net operation vehicle, and comprises a direct current electric system and an alternating current electric system; the operation mechanism is arranged at the rear end of the frame; and the hydraulic system is arranged on the frame and used for providing power for the operating mechanism and the matched hydraulic oil heat dissipation driving device.
Preferably, a driver operating console is respectively arranged on the front side and the rear side of the cab to form a double-end driver operating console structure, and a vehicle door is arranged at the rear end of the cab.
Preferably, the diesel engine is an electronic injection and water-cooling diesel engine.
Preferably, the direct current electrical system comprises an electrical control system, a communication device, an auxiliary device and a vehicle-mounted storage battery; the electric control system comprises a power supply, a microcomputer control system, a driver controller, a parameter display screen and a control switch; the microcomputer control system adopts a GWCY044-B type microcomputer controller and is used for realizing the rotation speed regulation, the automatic gear shifting, the starting protection, the reversing protection, the automatic heat dissipation of the torque converter oil, the overspeed protection, the traveling data recording, the fault diagnosis and the alarm control of the diesel engine.
Preferably, the dc electrical system comprises two power supply modes: when the diesel engine is not started, the vehicle-mounted storage battery supplies power to the direct current electrical system of the subway hydraulic transmission contact net operation vehicle and a starting motor of the diesel engine; when the diesel engine is started, the diesel engine is provided with a DC 24V generator to supply power to the direct current electrical system of the subway hydraulic transmission contact net operation vehicle and charge the vehicle-mounted storage battery.
Preferably, the alternating current electrical system comprises alternating current electrical appliances arranged at the top of the cab and a diesel generator set assembled on the frame and powered by the alternating current electrical appliances, and the power of the diesel generator set is 8 kW.
Preferably, the alternating current electrical system comprises two power supply modes: when the diesel generating set is started, the diesel generating set directly supplies power to the alternating current electric appliance; when the diesel generator set is not started, the AC electric appliance is powered by introducing AC380V electricity from the outside.
Preferably, the operating mechanism comprises a wire tightening column, a lorry-mounted crane and a hydraulic lifting operating platform which are respectively arranged on the frame; the hydraulic system provides power for the lorry-mounted crane, the wire tightening column and the hydraulic lifting operation platform.
Preferably, the cab and the top of the cab are also provided with a contact network detection device and a rigid suspension automatic inspection device, and the contact network detection device and the rigid suspension automatic inspection device provide theoretical basis for the maintenance of a contact network.
Compared with the prior art, the utility model discloses an operating device of subway hydraulic transmission contact net work vehicle configuration includes hydraulic pressure lift rotatory work platform, lorry crane, stringing pole to and the contact net detection device and the automatic inspection device of rigid suspension of configuration, can both carry out the contact net and detect through the cooperation of above-mentioned structure and also can carry out the maintenance, the maintenance and the maintenance of contact net, also can be linked with subway contact net wire barrow, constitute the subway hydraulic transmission contact net work vehicle that the unwrapping wire train unit carries out contact net unwrapping wire operation and stringing operation, extensive applicability has good dynamic performance and traction performance; the transmission system of the whole vehicle adopts a four-axis hydraulic-mechanical transmission system, meets the speed requirement that the highest running speed is 80km/h in a matching way, is suitable for urban rail transit lines, and is reasonable in arrangement, safe and reliable; the power and power auxiliary system adopts an electronic injection and water-cooling diesel engine, meets the requirements of 50T traction starting and passing through a 35 per mill ramp, and has the advantages of high reliability, low oil consumption, low noise, good energy-saving and environment-friendly properties and excellent economy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of the subway hydraulic transmission contact net work vehicle of the present invention;
fig. 2 is a top view of the subway hydraulic transmission contact net work vehicle of the utility model;
fig. 3 is the utility model discloses subway hydraulic transmission contact net operation car's partial structural arrangement schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a subway hydraulic transmission contact net work vehicle 100, including frame 1, cab 2, power and power auxiliary system 3, transmission system 4, walk capable portion 5, braking system 6, electric system 7, operating mechanism 8 and hydraulic system 9.
The frame 1 is an installation foundation of all components, and a machine room 11 is arranged at the middle end of the frame 1.
The cab 2 is fixedly arranged at the front end of the top surface of the frame 1. In the embodiment, the front and rear opposite sides in the cab 2 are respectively provided with a driver operating console 21 to form a double-end driver operating console structure, so that the operation reliability is improved; the cab 2 is also provided with a door 22 for access to the middle and rear ends of the frame 1, a driver seat 23, a side bench 24, and the like.
The power and power auxiliary system 3 is assembled in a machine room 11 of the frame 1, and the power and power auxiliary system 3 comprises a diesel engine 31 fixed on the frame 1, a diesel engine exhaust device 32 fixed on the right side of the frame 1 and connected with the diesel engine 1 for exhausting, a diesel engine air inlet device 33 fixed on the frame 1 and connected with the diesel engine 31 for air inlet, a hydraulic oil radiator 34 for heat radiation and a heat radiation water tank 35 for heat radiation of the diesel engine 31, so as to meet the working requirement of the diesel engine 31. Wherein the diesel exhaust 32 is disposed at the right side of the frame 1, and the diesel engine 31 and the diesel intake 33 are disposed in the machine room 11.
In the present embodiment, the diesel engine 31 is an electric injection and water-cooled diesel engine, for example, an electric injection and water-cooled diesel engine of cartetir corporation, which meets the requirement of 50T traction start and passing through a 35 ‰slope.
The transmission system 4 is mounted at the bottom of the frame 1, and the transmission system 4 comprises a hydraulic transmission box 41 fixed on the frame 1, a transmission shaft 42 connected with the hydraulic transmission box 41, and an axle gear box 43 connected with the transmission shaft 42. The hydraulic oil radiator 34 is used for radiating heat for the hydraulic transmission case 41. In the embodiment, the transmission system 4 is a hydraulic-mechanical transmission system, the shaft array is 2-B, the structure effectively meets the speed requirement that the highest running speed is 80km/h, and the transmission system is suitable for urban rail transit lines, wide in application range, reasonable in arrangement, safe and reliable.
The running part 5 is mounted at the bottom of the frame 1, and the running part 5 comprises a power bogie 51 at the front end of the frame 1 and a non-power bogie 52 at the rear end of the frame 1. In the present embodiment, the power bogie 51 and the non-power bogie 52 are both of a two-axle universal bogie structure, that is, the power bogie 51 is of a structure with an axle gear box, and the non-power bogie 52 is of a structure without an axle gear box.
In addition, the safety connection devices are respectively arranged between the frame 1 and the power bogie 51 and between the frame 1 and the non-power bogie 52 for connection. The arrangement of the structure ensures that the subway hydraulic transmission contact net operation vehicle 100 does not need to be tied up when being hoisted or hoisted, and the reliability is better.
The braking system 6 is mounted on the frame 1, the braking system 6 adopts a JZ-7G type brake and is used for braking and stopping the running part, and the performance of the braking system meets the requirement of TB/T2180. In the present embodiment, an air cleaning unit 61 is disposed in the air pipeline of the braking system 6 to ensure the reliability of the operation of each valve element.
The electric system 7 is arranged on the frame 1 and used for electrically controlling and supplying power to the subway hydraulic transmission contact line operation vehicle 100, and the electric system 7 comprises a direct current electric system (not shown) and an alternating current electric system (not shown).
Specifically, the direct current electrical system comprises an electrical control system, a communication device, an auxiliary device and a vehicle-mounted storage battery. The electric control system comprises a power supply, a microcomputer control system, a driver controller, a parameter display screen and a control switch, wherein the microcomputer control system adopts a GWCY044-B type microcomputer controller and is used for realizing the rotation speed regulation, the automatic gear shifting, the starting protection, the reversing protection, the automatic heat dissipation of the torque converter oil, the overspeed protection, the traveling data recording, the fault diagnosis and the alarm control of the diesel engine 31.
The direct current electrical system includes two power supply modes:
when the diesel engine 31 is not started, the vehicle-mounted storage battery supplies power to the direct current electrical system of the subway hydraulic transmission contact line work vehicle 100 and a starting motor of the diesel engine 31. If the electric quantity of the vehicle-mounted storage battery is insufficient, DC 24V power can be introduced from the outside through external sockets on two sides of the frame 1 to charge the vehicle-mounted storage battery; and AC380V power can be introduced from the outside through external sockets at two sides of the frame to charge the vehicle-mounted storage battery.
When the diesel engine 31 is started, the diesel engine 31 is provided with a DC 24V generator to supply power to the direct current electrical system of the subway hydraulic transmission overhead line system working truck 100, and charges the vehicle-mounted storage battery.
The alternating current electrical system comprises an alternating current electrical appliance 71 installed at the top of the cab 2 and a diesel generator set 72 assembled on the frame 1 and used for supplying power to the alternating current electrical appliance 71. In the present embodiment, the power of the diesel generator set 72 is 8 kW.
The alternating current electrical system comprises two power supply modes:
when the diesel generator set 72 is started, the diesel generator set 72 directly supplies power to the alternating current electric appliance 71.
When the diesel generator set 72 is not started, AC380V power is introduced from the outside through external sockets on two sides of the frame 1 to supply power to the alternating current electric appliance 71. When the electric quantity of the vehicle-mounted storage battery is insufficient, the vehicle-mounted storage battery can be charged through the diesel generator set 72 (actually, an alternating current generator set) by an intelligent charger.
The operation mechanism 8 comprises a hydraulic lifting operation platform 81 arranged at the rear end of the frame 1 and used for realizing lifting and rotating operations. Of course, the working platform 8 further includes a stringing pole 82 and a lorry-mounted crane 83 respectively installed on the frame 1, a contact net detection device and a rigid suspension automatic inspection device 84 installed in the cab 2 and at the top, and a traction device 85 installed at two ends of the frame 1.
Specifically, the hydraulic lifting operation platform 81 mainly comprises a lifting upright post, an operation platform and a swing mechanism, has lifting, lowering and swing functions, and can realize the rotation of 120 degrees at the left and right sides; the maximum distance between the lifting height and the rail surface is not less than 4.8m, the rotary center of the operation platform carries 1000kg, and the front end carries 300 kg. Six to seven constructors can simultaneously work on the working platform.
The wire tightening column 82 is mainly used for overhead line operation of a contact network and mainly comprises a supporting arm, a jacking oil cylinder, a hydraulic winch and the like, the maximum lifting height of the supporting arm is 5.3m away from a rail surface, and the requirement of overhead line operation of the contact network is met.
The lorry-mounted crane 83 mainly comprises a hoisting mechanism, a luffing mechanism, a boom telescoping mechanism, a swing mechanism and the like, is flexible to operate, has good micromotion performance and reliable work, and is mainly used for hoisting various tools and equipment to the operation platform. Contact net detection device and rigid suspension automatic inspection device 84 are including touching net detection device and rigid suspension automatic inspection device, wherein, contact net detection device comprises non-contact check out test set (geometric parameters detection), bow net pressure measurement equipment, bow net impact (hard spot) check out test set, bow net image high definition video recording equipment and high-low voltage isolation equipment, automobile body vibration compensation equipment, central data processing system (host computer), printer, customer end etc. based on machine vision. The rigid suspension automatic inspection device consists of a hardware part and a software part, wherein the hardware part consists of a left high-speed camera set, a right high-speed camera set (respectively comprising a rigid suspension camera and a positioning camera), a special compensation light source and an in-vehicle cabinet facility. The software part consists of real-time patrol data acquisition software and image information management software, and meets the requirements of contact network detection and rigid suspension automatic patrol.
The traction device 85 adopts a lower-acting 13# coupler with an ST buffer, and when a vehicle is impacted, the impact acting force can be reduced so as to buffer and attenuate the impact and vibration between the vehicles, and the reliability is improved.
The subway hydraulic transmission contact net operation vehicle has the advantages that the contact net detection can be carried out through the matching of the structure, the maintenance and the service of the contact net can also be carried out, the operation can be carried out with a subway contact net wire barrow in a continuous hanging mode, the subway hydraulic transmission contact net operation vehicle for carrying out contact net wire releasing operation and wire tightening operation on a wire releasing vehicle group is formed, the applicability is wide, and the dynamic performance and the traction performance are good.
The hydraulic system 9 is mounted on the frame 1 and is configured to provide power to the hydraulic lifting operation platform 81, the lorry-mounted crane 83, the tightening column 82, and the hydraulic oil heat dissipation driving device 34.
The overhead line system detection device and the rigid suspension automatic inspection device 84 are used for providing a theoretical basis for the maintenance of the overhead line system.
Compared with the prior art, the utility model discloses an operating device that subway hydraulic transmission contact net work vehicle disposed includes hydraulic pressure lift rotatory work platform, lorry crane, tight line post to and contact net detection device and rigid suspension automatic inspection device, can carry out contact net detection through the cooperation of above-mentioned structure and also can carry out the maintenance, the maintenance of contact net, also can be linked with subway contact net wire barrow, constitute the subway hydraulic transmission contact net work vehicle that the unwrapping wire train unit carries out contact net unwrapping wire operation and tight line operation, extensive applicability has good dynamics performance and traction performance; the transmission system of the whole vehicle adopts a four-axis hydraulic-mechanical transmission system, meets the speed requirement that the highest running speed is 80km/h in a matching way, is suitable for the line clearance of subways and urban rails, and is reasonable in arrangement, safe and reliable; the power and power auxiliary system adopts an electronic injection and water-cooling diesel engine, meets the requirements of 50T traction starting and passing through a 35 per mill ramp, and has the advantages of high reliability, low oil consumption, low noise, good energy-saving and environment-friendly properties and excellent economy.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a subway hydraulic transmission contact net operation car which characterized in that includes:
the middle end of the frame is provided with a machine room;
the cab is fixedly arranged at the front end of the top surface of the frame;
the power and power auxiliary system is assembled between machines of the frame and comprises a diesel engine fixed on the frame, a diesel engine exhaust device fixed on the right side of the frame and connected with the diesel engine for exhausting, a diesel engine air inlet device fixed on the frame and connected with the diesel engine for air inlet, a hydraulic oil radiator for radiating and a radiating water tank for radiating the diesel engine;
the transmission system is arranged at the bottom of the frame and comprises a hydraulic transmission box fixed on the frame, a transmission shaft connected with the hydraulic transmission box, an axle gear box connected with the transmission shaft and a wheel pair connected with an output shaft of the axle gear box, the transmission system is a hydraulic-mechanical transmission system, and the axis is 2-B;
the walking part is arranged at the bottom of the frame and comprises a power bogie positioned at the front end of the frame and a non-power bogie positioned at the rear end of the frame, and the power bogie and the non-power bogie are of a two-axle universal bogie structure;
the braking system is arranged on the frame, adopts a JZ-7G type brake and is used for realizing braking and parking on the walking part;
the electric system is arranged on the frame and used for realizing electric control and power supply of the subway hydraulic transmission contact net operation vehicle, and comprises a direct current electric system and an alternating current electric system;
the operation mechanism is arranged at the rear end of the frame; and
and the hydraulic system is arranged on the frame and used for providing power for the operating mechanism and the matched hydraulic oil heat dissipation driving device.
2. A metro hydraulic transmission catenary working vehicle according to claim 1, wherein a driver operating console is respectively arranged at the front side and the rear side of the cab to form a double-end driver operating console structure, and a vehicle door is arranged at the rear end of the cab.
3. A metro hydraulic transmission contact line work vehicle according to claim 1, wherein the diesel engine is an electric injection and water cooling diesel engine.
4. The subway hydraulic transmission contact line operation vehicle as claimed in claim 1, wherein said direct current electrical system comprises an electrical control system, a communication device, an auxiliary device and a vehicle-mounted battery; the electric control system comprises a power supply, a microcomputer control system, a driver controller, a parameter display screen and a control switch; the microcomputer control system adopts a GWCY044-B type microcomputer controller and is used for realizing the rotation speed regulation, the automatic gear shifting, the starting protection, the reversing protection, the automatic heat dissipation of the torque converter oil, the overspeed protection, the traveling data recording, the fault diagnosis and the alarm control of the diesel engine.
5. The subway hydraulic transmission contact line work vehicle as claimed in claim 4, wherein said DC electrical system comprises two power supply modes: when the diesel engine is not started, the vehicle-mounted storage battery supplies power to the direct current electrical system of the subway hydraulic transmission contact net operation vehicle and a starting motor of the diesel engine; when the diesel engine is started, the diesel engine is provided with a DC 24V generator to supply power to the direct current electrical system of the subway hydraulic transmission contact net operation vehicle and charge the vehicle-mounted storage battery.
6. The subway hydraulic transmission contact line operation vehicle as claimed in claim 1, wherein said alternating current electrical system comprises alternating current electric appliances installed on the top of said cab and diesel generator sets mounted on said frame for supplying power to said alternating current electric appliances, and the power of said diesel generator sets is 8 kW.
7. The subway hydraulic transmission contact line work vehicle as claimed in claim 6, wherein said alternating current electrical system comprises two power supply modes: when the diesel generating set is started, the diesel generating set directly supplies power to the alternating current electric appliance; when the diesel generator set is not started, the AC380V power is introduced from the outside to supply power to the AC electric appliance.
8. The subway hydraulic transmission contact line operation vehicle as claimed in claim 1, wherein said operation mechanism comprises a tension pole, a lorry-mounted crane and a hydraulic lifting operation platform which are respectively mounted at the rear end of said frame; the hydraulic system provides power for the lorry-mounted crane, the wire tightening column and the hydraulic lifting operation platform.
9. The subway hydraulic transmission contact network operation vehicle as claimed in claim 1, wherein a contact network detection device and a rigid suspension automatic inspection device are further arranged in the cab and at the top of the cab, and the contact network detection device and the rigid suspension automatic inspection device provide theoretical basis for maintenance of the contact network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894303.0U CN210284211U (en) | 2019-06-13 | 2019-06-13 | Hydraulic transmission contact net operation vehicle for subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920894303.0U CN210284211U (en) | 2019-06-13 | 2019-06-13 | Hydraulic transmission contact net operation vehicle for subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210284211U true CN210284211U (en) | 2020-04-10 |
Family
ID=70096676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920894303.0U Active CN210284211U (en) | 2019-06-13 | 2019-06-13 | Hydraulic transmission contact net operation vehicle for subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210284211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203221A (en) * | 2019-06-13 | 2019-09-06 | 宝鸡中车时代工程机械有限公司 | Subway hydraulic power operation vehicle for contact wire |
| CN114104020A (en) * | 2021-12-30 | 2022-03-01 | 宝鸡中车时代工程机械有限公司 | Comprehensive detection vehicle with subway return rail detection function |
-
2019
- 2019-06-13 CN CN201920894303.0U patent/CN210284211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110203221A (en) * | 2019-06-13 | 2019-09-06 | 宝鸡中车时代工程机械有限公司 | Subway hydraulic power operation vehicle for contact wire |
| CN114104020A (en) * | 2021-12-30 | 2022-03-01 | 宝鸡中车时代工程机械有限公司 | Comprehensive detection vehicle with subway return rail detection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208306650U (en) | Automatic detecting and Contact Line Detection mating type subway hydraulic power Operation Van | |
| CN210284211U (en) | Hydraulic transmission contact net operation vehicle for subway | |
| CN104500113A (en) | Storage battery stand column dismounting vehicle | |
| CN109910588B (en) | Pure electric heavy transportation engineering vehicle | |
| CN103129568A (en) | Multifunctional overhead line system work vehicle | |
| CN111572572A (en) | Subway overhead contact net overhauls operation car | |
| CN109278771B (en) | Multi-platform contact net operation vehicle | |
| CN110203221A (en) | Subway hydraulic power operation vehicle for contact wire | |
| CN201809080U (en) | Electric hoist using tridrive | |
| CN201834012U (en) | Alternating current transmission rapid rail car | |
| CN211947737U (en) | Double dynamical source rail car of polishing | |
| CN212401186U (en) | Transmission system of railway engineering vehicle | |
| CN112141141A (en) | Multifunctional subway operation vehicle | |
| CN101973276B (en) | Alternating current drive fast track car | |
| CN109591528B (en) | Hybrid power highway-railway vehicle and control system thereof | |
| CN104401197B (en) | Self-powered system of hybrid truck | |
| CN218316687U (en) | Hydrogen energy power railway maintenance equipment | |
| CN111267878A (en) | Rail engineering vehicle transmission system | |
| CN212828356U (en) | Subway overhead contact net overhauls operation car | |
| CN206186812U (en) | Straight alternating current of double dynamical friendship passes railcar | |
| CN109910919B (en) | Oil-electricity hybrid double-power operation vehicle | |
| CN109398387B (en) | Multifunctional subway lifting platform operation vehicle | |
| CN214450938U (en) | Contact net overhauls operation car | |
| CN210284205U (en) | Hybrid power transmission system based on electric transmission and rail engineering vehicle | |
| CN209142125U (en) | Multi-platform operation vehicle for contact wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |