CN109278771A - Multi-platform operation vehicle for contact wire - Google Patents
Multi-platform operation vehicle for contact wire Download PDFInfo
- Publication number
- CN109278771A CN109278771A CN201811250697.2A CN201811250697A CN109278771A CN 109278771 A CN109278771 A CN 109278771A CN 201811250697 A CN201811250697 A CN 201811250697A CN 109278771 A CN109278771 A CN 109278771A
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- China
- Prior art keywords
- platform
- cab
- drivers
- vehicle
- contact
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The present invention provides a kind of multi-platform operation vehicle for contact wire, including vehicle frame, preceding drivers' cab and rear drivers' cab, electric equipment compartment, contact net operation platform and electric drive hydraulic system, running part, dynamical system, Pneumatic brake systems；Wherein, preceding drivers' cab and rear drivers' cab form double drivers' cab modes, improve visual field when forward/backward operation, improve safety；The contact net operation platform can be vertically moved up or down and horizontal shifting, when vertical lift, distance range of the contact net operation platform apart from rail level is 2700mm~5500mm, when horizontal shifting, the scalable distance of the contact net operation platform is not less than 3500mm, meets function demand inside and outside tunnel；Dynamical system includes that battery group is powered for vehicle, avoids exhaust emissions.Compared with the relevant technologies, multi-platform operation vehicle for contact wire's applicability of the invention is good, environmentally friendly and highly-safe.
Description
Technical field
The present invention relates to a kind of urban rail transit engineering machinery field more particularly to a kind of apply to the multi-platform of track engineering
Operation vehicle for contact wire.
Background technique
As China's city underground traffic scale, overall trip speed, operating mileage and operation frequency etc. are constantly promoted, ground
The maintenance on iron wire road is increased with it with service work demand, and the demand to line maintenance engineering truck is also continuously increased.
And subway line is mostly based on tunnel, the operation vehicle for contact wire of the prior art uses combustion power, tail in tunnel
Gas is seriously polluted, and operating personnel's construction environment is poor, and hydraulic lifting operation platform height is too high when operation in tunnel, in parking lot
Hydraulic lifting operation platform height is too low when line operation, so that the hydraulic lifting operation platform lowest order and highest order can not meet
Operation height demand.And associated contact net Operation Van is only its front end setting drivers' cab, and the visual field is poor when driving a vehicle to opposite direction, deposits
In security risk.
Therefore, it constructs actual demand to meet subway line contact net upkeep operation, it is necessary to provide a kind of new mostly flat
Platform operation vehicle for contact wire solves the above problems.
Summary of the invention
Good, environmentally friendly and highly-safe multi-platform contact that the technical problem to be solved by the invention is to provide a kind of applicabilities
Net Operation Van.
In order to solve the above technical problems, the present invention provides a kind of multi-platform operation vehicle for contact wire, including vehicle frame；Preceding driver
Room and rear drivers' cab, the preceding drivers' cab and the rear drivers' cab are arranged at intervals at the opposite end of the top of frame；Electrically
Between, it is set to the side close to the rear drivers' cab of the preceding drivers' cab, for matching for the multi-platform operation vehicle for contact wire
Electricity；Contact net operation platform and electric drive hydraulic system, are respectively arranged at the top surface of the vehicle frame, and are respectively positioned on the electric equipment compartment
It is described after between drivers' cab, the contact net operation platform can be vertically moved up or down and horizontal shifting, when vertical lift, the contact
Distance range of the net job platform apart from rail level is 2700mm~5500mm, when horizontal shifting, the contact net operation platform
Scalable distance is not less than 3500mm；The electric drive hydraulic system connects with the contact net operation platform and is described contact
Net job platform provides power；Running part, is installed on the bottom of frame, and the running part includes power truck, driving institute
State power truck movement traction electric machine and with the spaced driven bogie of the power truck；Dynamical system,
The dynamical system includes being respectively arranged in the battery group of the bottom of frame and traction invertor and being respectively arranged in institute
The subordinate inverter and high-voltage electrical cabinet of electric equipment compartment are stated, the battery component is not inverse with the high-voltage electrical cabinet and the auxiliary
Become device electrical connection, and be traction electric machine power supply by the high-voltage electrical cabinet, is the electricity by the subordinate inverter
Drive hydraulic system principle power supply；And Pneumatic brake systems, for carrying out tread brake to the driven bogie；The auxiliary inversion
Device is electrically connected with the Pneumatic brake systems and powers for it.
Preferably, the multi-platform operation vehicle for contact wire further includes being set to top of frame and being located at the electric equipment compartment and institute
The stringing column between rear drivers' cab is stated, the electric drive hydraulic system connect with the stringing column and provides for the stringing column dynamic
Power.
Preferably, the stringing column includes the jacking cylinder for being installed on vehicle frame, the support arm for being connected to the jacking cylinder
And the hydraulic wireline winch for being installed on the vehicle frame and connecting with the support arm, the jacking cylinder drive the support arm liter
Drop, and make the maximum height of the support arm away from rail level 5300mm.
Preferably, the Pneumatic brake systems are JZ-7 braking system, and the Pneumatic brake systems are described including being installed on
Electric compressor, air cleaning member, total bellows chamber and the air brake valve cabinet for being installed on the electric equipment compartment of vehicle frame bottom surface, institute
Subordinate inverter is stated to be electrically connected with the air brake valve cabinet and power for it.
Preferably, the multi-platform operation vehicle for contact wire further includes being set to detection at the top of the preceding drivers' cab by electricity
Bow, Contact Line Detection device and rigid suspended automatic inspection device, the detection pantograph, the Contact Line Detection device and institute
Rigid suspended automatic inspection device is stated to be electrically connected with the subordinate inverter respectively.
Preferably, the dynamical system further includes the copped wave being serially connected between the battery group and the subordinate inverter
Reactor.
Compared to the prior art, the dynamical system of multi-platform operation vehicle for contact wire of the invention is realized using battery group and is supplied
Can, vehicle uses alternating current drive, multi-platform operation vehicle for contact wire operation bring tail gas pollution in tunnel is avoided,
Improve working environment and environmental protection；The contact net operation platform can be vertically moved up or down and horizontal shifting, described when vertical lift
Distance range of the contact net operation platform apart from rail level is 2700mm~5500mm, and when horizontal shifting, the contact net operation is flat
The scalable distance of platform is not less than 3500mm, so that adjustable be suitble to the height of operation in tunnel and be suitble to make outside tunnel
The height of industry, more meets subway line road vehicles limit, and applicability is good and applied widely；Because vehicle frame both ends setting before drivers' cab and
Drivers' cab afterwards, so that the field range of driver and conductor is wide when operation, safety is more preferable.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of the multi-platform operation vehicle for contact wire of the present invention；
Fig. 2 is the top view of the multi-platform operation vehicle for contact wire of the present invention；
Fig. 3 is the schematic diagram of the preceding drivers' cab of the multi-platform operation vehicle for contact wire of the present invention, rear drivers' cab and electric equipment compartment；
Fig. 4 is the chassis structure schematic diagram of the multi-platform operation vehicle for contact wire of the present invention；
Fig. 5 is that the power of the multi-platform operation vehicle for contact wire of the present invention transmits block diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please join shown in Fig. 1-4, the present invention provides a kind of multi-platform operation vehicle for contact wire 100, including vehicle frame 1, preceding driver
Room 2 and rear drivers' cab 3, electric equipment compartment 4, contact net operation platform 5 and electric drive hydraulic system 6, running part 7, dynamical system 8 and
Pneumatic brake systems 9.
The vehicle frame 1 is the installation foundation of all components.
The preceding drivers' cab 2 and the rear drivers' cab 3 are arranged at intervals at the opposite end of 1 top surface of vehicle frame, are formed double
Drivers' cab mode solves the problems, such as visual field difference when conventional contacts net Operation Van's back-end operations, improves safety.
The electric equipment compartment 4 is set to the side close to the rear drivers' cab 3 of the preceding drivers' cab 2, for being described more
100 distribution of contact with platform net Operation Van, such as 41 distribution of electrical cabinet by being arranged in it.
The contact net operation platform 5 and electric drive hydraulic system 6 are respectively arranged at the top surface of the vehicle frame 1, and equal position
Between the electric equipment compartment 4 and the rear drivers' cab 3.
In present embodiment, the contact net operation platform 5 can be vertically moved up or down and horizontal shifting: when vertical lift, institute
Stating distance range of the contact net operation platform 5 apart from rail level is 2700mm~5500mm；When horizontal shifting, the contact net operation
The scalable distance of platform 5 is not less than 3500mm.The structure solve conventional contacts net Operation Van tunnel in job platform height too
The high and too low problem of job platform height outside tunnel, while meeting subway line road vehicles limit.That is, above structure makes
The multi-platform operation vehicle for contact wire 100 of the invention is adjustable to be suitble to the height of operation in tunnel and is suitble to outside tunnel
The height of operation, more meets subway line road vehicles limit, and applicability is good and applied widely.
The electric drive hydraulic system 6 connect with the contact net operation platform 5 and mentions for the contact net operation platform 5
For power.
The running part 7 is installed on 1 bottom of vehicle frame, and the running part 7 includes power truck 71, drives described move
Power bogie 71 act traction electric machine 72 and with the spaced driven bogie 73 of the power truck 71.
The dynamical system 8 include be respectively arranged in battery group 81 and the traction invertor 82 of 1 bottom of vehicle frame with
And it is respectively arranged in the subordinate inverter 83 and high-voltage electrical cabinet 84 of the electric equipment compartment 4.
The battery group 81 is electrically connected with the high-voltage electrical cabinet 84 and the subordinate inverter 83 respectively, and passes through institute
High-voltage electrical cabinet 84 is stated as the traction electric machine 72 power supply, is the electric drive hydraulic system 6 by the subordinate inverter 83
Power supply.
That is, the dynamical system 8 realizes energy supply using battery group, and vehicle is using exchange in present embodiment
Electric transmission avoids multi-platform operation vehicle for contact wire operation bring tail gas pollution in tunnel, improves working environment item
Part and environmental protection.81 output voltage of battery group is handled by 84 boosting of high-voltage electrical cabinet, then through the traction inversion
Device 82 is transmitted to the traction electric machine 72 after directly delivering stream to drive its work, to drive 71 row of power truck
Into with stopping.
The battery group 81 is used as vehicle power resources, while to traction electric machine 72 and contact net operation platform 5 or inspection
Examining system (not labeled) power supply, wherein contact net operation platform 5 is not worked at the same time with detection system.Vehicle is provided with battery
81 electricity monitoring systems of group when battery group not enough power supply, can return to the charging of engineering garage.
More preferably, the dynamical system 8 further includes being serially connected between the battery group 81 and the subordinate inverter 83
Copped wave reactor 85.
Please in combination with Fig. 5, that is to say, that the power of multi-platform operation vehicle for contact wire 100 of the invention transmits are as follows:
The electric energy of the battery group 81 is input to the high-voltage electrical cabinet 84 and boosts, then through the traction invertor
82 progress direct currents deliver stream, resupply the traction electric machine 72, to drive the power truck 71 to advance.
The electric energy of the battery group 81 is input to the copped wave reactor and carries out filtered voltage signal, then is transmitted to described
Subordinate inverter 83 carries out direct current and delivers stream, resupplies the electric drive hydraulic system 6 and other all auxiliary electricity consumption devices.
Direct current is carried out through the traction invertor 82 again and delivers stream, so that the traction electric machine 72 is supplied, described in driving
Power truck 71 is advanced
The Pneumatic brake systems 9 are installed on 1 bottom of vehicle frame, for carrying out tyre tread system to the driven bogie 73
It is dynamic.The subordinate inverter 83 is electrically connected with the Pneumatic brake systems 9 and powers for the Pneumatic brake systems 9.
In present embodiment, the Pneumatic brake systems 9 are JZ-7 braking system.The Pneumatic brake systems 9 include peace
It electric compressor 91, air cleaning member (not shown), total bellows chamber (not shown) loaded on 1 bottom surface of vehicle frame and is installed on
The air brake valve cabinet 92 of the electric equipment compartment 4, the subordinate inverter 83 are electrically connected with the air brake valve cabinet 92 and are it
Power supply.
More preferably, the multi-platform operation vehicle for contact wire 100 further includes being set to 1 top surface of vehicle frame and being located at the electric equipment compartment
Stringing column 10 between 4 and the rear drivers' cab 3, the electric drive hydraulic system 6 connect with the stringing column 10 and are described
Stringing column 10 provides power.
Specifically, the stringing column 10 includes the jacking cylinder 101 for being installed on vehicle frame 1, is connected to the jacking cylinder 101
Support arm 102 and the hydraulic wireline winch 103 that is installed on the vehicle frame 1 and is connect with the support arm 102.The jacking cylinder
The 101 driving support arms 102 are gone up and down, and make the maximum height of the support arm 102 away from rail level 5300mm.
The multi-platform operation vehicle for contact wire 100 further include the detection pantograph 11 for being set to 2 top of the preceding drivers' cab,
Contact Line Detection device and rigid suspended automatic inspection device 12, that is, constitute the above-mentioned detection system.The detection is by electricity
Bow 11, the Contact Line Detection device and rigid suspended automatic inspection device 12 are electrically connected with the subordinate inverter 83 respectively,
It is powered by the subordinate inverter 83.(the net-fault detection device and rigidity are outstanding for the Contact Line Detection System that vehicle is integrated with
Hang automatic inspection device 12), detection operation can be carried out to wiring circuit contact net.
It should be noted that the detection system is by the non-contact detection equipment based on machine vision, (geometric parameter is examined
Survey), bow net pressure checking device, bow net impact (hard spot) detection device, bow net image high definition video recording equipment and high and low voltage isolation
The compositions such as equipment, body oscillating compensation equipment, central data processing system (host), printer, client.It is rigid suspended automatic
Inspection device 12 is made of hardware components and software section, and hardware components are by left side high-speed camera unit and right side high-speed camera
Group (respectively containing a rigid suspended camera and a positioning camera), dedicated compensatory light, interior cabinet facility composition.Software portion
Point by making an inspection tour data acquisition software in real time, image information management software forms, and meets Contact Line Detection and rigid suspended patrols automatically
The requirement looked into.
Compared to the prior art, the dynamical system of multi-platform operation vehicle for contact wire of the invention is realized using battery group and is supplied
Can, vehicle uses alternating current drive, multi-platform operation vehicle for contact wire operation bring tail gas pollution in tunnel is avoided,
Improve working environment and environmental protection；The contact net operation platform can be vertically moved up or down and horizontal shifting, described when vertical lift
Distance range of the contact net operation platform apart from rail level is 2700mm~5500mm, and when horizontal shifting, the contact net operation is flat
The scalable distance of platform is not less than 3500mm, so that adjustable be suitble to the height of operation in tunnel and be suitble to make outside tunnel
The height of industry, more meets subway line road vehicles limit, and applicability is good and applied widely；Because vehicle frame both ends setting before drivers' cab and
Drivers' cab afterwards, so that the field range of driver and conductor is wide when operation, safety is more preferable.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of multi-platform operation vehicle for contact wire characterized by comprising
Vehicle frame；
Preceding drivers' cab and rear drivers' cab, the preceding drivers' cab and the rear drivers' cab are arranged at intervals at the opposite of the top of frame
Both ends；
Electric equipment compartment is set to the side close to the rear drivers' cab of the preceding drivers' cab, for being the multi-platform contact net
Operation Van's distribution；
Contact net operation platform and electric drive hydraulic system, are respectively arranged at the top surface of the vehicle frame, and are respectively positioned on described electrical
Between it is described after between drivers' cab；The contact net operation platform can be vertically moved up or down and horizontal shifting, described to connect when vertical lift
Distance range of the net-fault job platform apart from rail level is 2700mm~5500mm, when horizontal shifting, the contact net operation platform
Scalable distance be not less than 3500mm；The electric drive hydraulic system connect with the contact net operation platform and is described connect
Net-fault job platform provides power；
Running part, is installed on the bottom of frame, and the running part includes power truck, the driving power truck movement
Traction electric machine and with the spaced driven bogie of the power truck；
Dynamical system, the dynamical system include be respectively arranged in the bottom of frame battery group and traction invertor and
Be respectively arranged in the subordinate inverter and high-voltage electrical cabinet of the electric equipment compartment, the battery component not with the high-voltage electrical cabinet
And the subordinate inverter electrical connection, and be traction electric machine power supply by the high-voltage electrical cabinet, it is inverse by the auxiliary
Become device to power into the electric drive hydraulic system；And
Pneumatic brake systems, for carrying out tread brake to the driven bogie；The subordinate inverter and the air system
Dynamic system is electrically connected and powers for it.
2. multi-platform operation vehicle for contact wire according to claim 1, which is characterized in that the multi-platform operation vehicle for contact wire
It further include the stringing column for being set to top of frame and being located between the electric equipment compartment and the rear drivers' cab, the electric drive is hydraulic
System connect with the stringing column and provides power for the stringing column.
3. multi-platform operation vehicle for contact wire according to claim 2, which is characterized in that the stringing column includes being installed on vehicle
It the jacking cylinder of frame, the support arm for being connected to the jacking cylinder and is installed on the vehicle frame and is connect with the support arm
Hydraulic wireline winch, the jacking cylinder drives the support arm lifting, and makes the maximum height of the support arm away from rail level
5300mm。
4. multi-platform operation vehicle for contact wire according to claim 1, which is characterized in that the Pneumatic brake systems are JZ-7
Braking system, the Pneumatic brake systems include the electric compressor, air cleaning member, total wind for being installed on the vehicle frame bottom surface
The air brake valve cabinet of the electric equipment compartment is wrapped and is installed on, the subordinate inverter is electrically connected simultaneously with the air brake valve cabinet
It powers for it.
5. multi-platform operation vehicle for contact wire according to claim 1, which is characterized in that the multi-platform operation vehicle for contact wire
It further include detection pantograph, Contact Line Detection device and the rigid suspended automatic inspection dress being set at the top of the preceding drivers' cab
Set, the detection pantograph, the Contact Line Detection device and the rigid suspended automatic inspection device respectively with the auxiliary
Inverter electrical connection.
6. multi-platform operation vehicle for contact wire according to claim 1, which is characterized in that the dynamical system further includes concatenation
Copped wave reactor between the battery group and the subordinate inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250697.2A CN109278771B (en) | 2018-10-25 | 2018-10-25 | Multi-platform contact net operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250697.2A CN109278771B (en) | 2018-10-25 | 2018-10-25 | Multi-platform contact net operation vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109278771A true CN109278771A (en) | 2019-01-29 |
| CN109278771B CN109278771B (en) | 2023-08-22 |
Family
ID=65177964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250697.2A Active CN109278771B (en) | 2018-10-25 | 2018-10-25 | Multi-platform contact net operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109278771B (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 |
| CN115367006A (en) * | 2022-09-08 | 2022-11-22 | 中材科技（邯郸）风电叶片有限公司 | Working vehicle for post-processing of outdoor wind power blade |
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| CN202631007U (en) * | 2012-06-18 | 2012-12-26 | 绵阳市铁人电气设备有限责任公司 | Dynamic monitoring and analyzing system of high-speed railway contact network based on plurality of platforms |
| CN103213525A (en) * | 2013-04-18 | 2013-07-24 | 宝鸡南车时代工程机械有限公司 | Multi-working-face contact network work vehicle |
| CN105128874A (en) * | 2015-08-25 | 2015-12-09 | 宝鸡南车时代工程机械有限公司 | Man-machine interaction system for transfixion operation platform of contact net comprehensive overhauling cart |
| CN106274921A (en) * | 2016-08-31 | 2017-01-04 | 宝鸡中车时代工程机械有限公司 | Hydraulic power contact net upkeep operation car |
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2018
- 2018-10-25 CN CN201811250697.2A patent/CN109278771B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110079166A1 (en) * | 2009-03-31 | 2011-04-07 | Liviu Popa-Simil | Multi-modal transportation system for solar electric vehicle |
| CN202631007U (en) * | 2012-06-18 | 2012-12-26 | 绵阳市铁人电气设备有限责任公司 | Dynamic monitoring and analyzing system of high-speed railway contact network based on plurality of platforms |
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| 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 |
| CN115367006A (en) * | 2022-09-08 | 2022-11-22 | 中材科技（邯郸）风电叶片有限公司 | Working vehicle for post-processing of outdoor wind power blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109278771B (en) | 2023-08-22 |
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