CN109398387A - Subway multifunctional lifting platform Operation Van - Google Patents
Subway multifunctional lifting platform Operation Van Download PDFInfo
- Publication number
- CN109398387A CN109398387A CN201811505598.4A CN201811505598A CN109398387A CN 109398387 A CN109398387 A CN 109398387A CN 201811505598 A CN201811505598 A CN 201811505598A CN 109398387 A CN109398387 A CN 109398387A
- Authority
- CN
- China
- Prior art keywords
- platform
- vehicle frame
- operation van
- lifting platform
- multifunctional lifting
- 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.)
- Granted
Links
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
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
-
- 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
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention belongs to urban rail transit engineering field of mechanical technique, disclose a kind of subway multifunctional lifting platform Operation Van, including vehicle frame, guard rail, fixed operation platform, walking system, actinobacillus device, braking system, electrical system, lift rotary job platform；The walking system and the braking system are set to below the vehicle frame；The fixed operation platform is set to the one end on the top of the vehicle frame, and the lift rotary job platform is set to the other end on the top of the vehicle frame.Compared with the relevant technologies, arrangement of the invention is rationally, securely and reliably.It is integrated with lift rotary job platform and fixed operation platform, can meet in tunnel and the maintenance, maintenance of route and contact net is required in highest route and minimum line maintenance, maintenance etc. outside tunnel.It is hung together when operation with operation vehicle for contact wire, can be used for the erection of contact line conducting wire and carrier cable and installation, maintenance and current check, the maintenance of contact net top facility.
Description
[technical field]
The invention belongs to urban rail transit engineering field of mechanical technique, have and are related to a kind of subway multifunctional lifting platform operation
Vehicle.
[background technique]
With the fast development of China's subway line, all fast liftings such as Operation Scale, speed, mileage, while route
Maintenance, service work are also continuously increased, and in order to meet above-mentioned requirements, in the related technology, are made using subway hoistable platform Operation Van
For the special equipment of the installation, maintenance of contact net top and current check, maintenance.And the vehicle function of subway hoistable platform Operation Van
Energy, integration and procurement price are the principal elements that subway user considers.The wheelbase of hoistable platform Operation Van in the related technology
The limit requirement of subway and intercity track circuit cannot be met simultaneously, and need more set equipment that could complete the maintenance of way and maintenance
Related work, functions of the equipments are single, and equipment overall cost is high.
Therefore, it is really necessary to provide a kind of new subway multifunctional lifting platform Operation Van solution above-mentioned technical problem.
[summary of the invention]
The technical problem to be solved by the present invention is provide a kind of can meet subway and the limit of intercity track circuit is wanted simultaneously
It asks, and subway multifunctional lifting platform multifunctional in one body Operation Van.A kind of subway multifunctional lifting platform of the present invention is made
Industry vehicle is able to satisfy the limit requirement of subway and intercity track circuit, and the Che Weisi axis vehicle, wheelbase is small, function is more, vehicle integrated level
It is high.Its vehicle under the requirement for meeting axis weight integrates more suits such as lift rotary job platform, fixed operation platform, actinobacillus device
It sets, and ensures that each component of vehicle has preferable maintenance, space for maintenance.The lifting for realizing hoistable platform is driven by hydraulic power unit
Operation is turned round, the upkeep operation demand of the various workings such as subway tunnel, overhead, section field is met.
A kind of technical solution of the present invention: subway multifunctional lifting platform Operation Van, comprising: vehicle frame, guard rail, fixation
Job platform, walking system, actinobacillus device, braking system, electrical system, lift rotary job platform；Wherein, the traveling system
System is two sets, and is located at the lower part both ends of the vehicle frame；The braking system is set to the lower section of the vehicle frame, and is located at two
It covers between the walking system；The fixed operation platform is set to the one end on the top of the vehicle frame, the lift rotary operation
Platform is set to the other end on the top of the vehicle frame；The actinobacillus device is set to above the vehicle frame and is located at the fixed operation
Between platform and the lift rotary job platform, the electrical system is set to above the vehicle frame and is located at the lift rotary
Between job platform and the actinobacillus device；It is flat that the top and enclosing that the guard rail is set to the vehicle frame sets the fixed operation
Platform, the actinobacillus device, the electrical system and the lift rotary job platform.
Preferably, the walking system include two bogies, the bogie include framework, side bearing, wheel pair and axle box,
" eight " font rubber metal pad, spherical surface tool for up-down cartridge, foundation brake, damper, the bogie by the spherical surface tool for up-down cartridge and
The side bearing carries jointly, and the framework is that plurality of steel plates welds the box girder structure being composed.
Preferably, the braking system includes Pneumatic brake systems, hand brake device, brake rigging；The braking
System includes: distributing valve, work cylinder, auxiliary reservoir, centrifugal dust collector, empty and load conversion equipment, hose coupling, braking
Cylinder, pipeline fittings；The foundation brake is single brake shoe formula, and the foundation brake includes hand braking mechanism.
Preferably, the lift rotary job platform includes lifting column and the job platform on the lifting column, institute
Stating lifting column includes: swing mechanism, brake, lift, hydraulic control.
Preferably, the electrical system is made of direct current system and AC system two parts.
Preferably, the AC system includes diesel generating set and AC electric appliance, and the AC electric appliance is by described
Diesel generating set provides power supply.
Preferably, the diesel generating set includes the diesel generating set and AC electric appliance that power is 8kW.
Preferably, subway multifunctional lifting platform Operation Van further includes external socket, the external socket be used for from
Outside introduces the power supply of AC380V as AC electric appliance power supply.
Preferably, the external socket is located at the two sides of the vehicle frame.
Preferably, the distributing valve is 120 type distributing valves.
Compared with the relevant technologies, a kind of subway multifunctional lifting platform Operation Van of the invention mainly by vehicle frame, walking system,
The composition such as braking system, electrical system, hydraulic system, lift rotary job platform, actinobacillus device, guard rail, arrangement
Rationally, securely and reliably.Vehicle integrates two kinds of workbenches of lift rotary job platform and fixed operation platform, can meet in tunnel
And outside tunnel route maintenance, maintenance.The lift rotary job platform that it uses weight small and stroke variation range is big, and operation
Platform more increases the working range of lift work platform using stepped subway special operation platform, meets staff's docking
It touches net in the requirement such as highest route and minimum line maintenance, maintenance.Vehicle configures actinobacillus device, the fixed operation with wire support
Platform, when operation, hang together with operation vehicle for contact wire, form Operation Van's group, can be used for contact line conducting wire and carrier cable erection and
Installation, maintenance and current check, the maintenance of contact net top facility.
[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:
A kind of overall structure main view of Fig. 1 subway multifunctional lifting platform of present invention Operation Van；
A kind of overall structure top view of Fig. 2 subway multifunctional lifting platform of present invention Operation Van；
A kind of overall structure bottom view of Fig. 3 subway multifunctional lifting platform of present invention Operation Van.
In figure:
Vehicle frame 1, guard rail 2, fixed operation platform 3, walking system 4, actinobacillus device 5, braking system 6, electrical system
7, lift rotary job platform 8, motor power system 9, master station 10, diesel generating set 11, empty and load conversion equipment 13, pair
Cylinder 14, distributing valve 15, work cylinder 16, checking cylinder 17.
[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 figure attached drawing 1-3, a kind of subway multifunctional lifting platform Operation Van, comprising: vehicle frame 1, is fixed guard rail 2
Job platform 3, walking system 4, actinobacillus device 5, braking system 6, electrical system 7, lift rotary job platform 8, motor power
System 9 and master station 10；Wherein, walking system 4 is two sets, and is located at the lower part both ends of vehicle frame 1；Braking system 6 is set to
The lower section of vehicle frame 1, and be located between two sets of walking systems 4；Fixed operation platform 3 is set to the one end on the top of vehicle frame 1, goes up and down back
Turn job platform 8 set on the other end on the top of vehicle frame 1；Actinobacillus device 5 is set to 1 top of vehicle frame and is located at fixed operation platform 3
Between lift rotary job platform 8, electrical system 7 is set to 1 top of vehicle frame and is located at lift rotary job platform 8 and unwrapping wire dress
It sets between 5；Guard rail 2, which is set to the top of vehicle frame 1 and encloses, sets fixed operation platform 3, actinobacillus device 5, electrical system 7 and lifting
Turn round job platform 8.Walking system 4 includes two bogies, and bogie includes framework, side bearing, wheel pair and axle box, " eight " font
Rubber metal pad, spherical surface tool for up-down cartridge, foundation brake, damper, bogie are carried jointly by spherical surface tool for up-down cartridge and side bearing, framework
The box girder structure being composed is welded for plurality of steel plates.Braking system 6 includes Pneumatic brake systems, hand brake device, basis
Brake apparatus；Braking system 6 includes: distributing valve 15, work cylinder 16, auxiliary reservoir 14, centrifugal dust collector, empty and load conversion equipment
13, hose coupling, checking cylinder 17, pipeline fittings；Foundation brake is single brake shoe formula, and foundation brake includes hand braking
Mechanism.Lift rotary job platform 8 include lifting column and the job platform on lifting column, lifting column include: swing mechanism,
Brake, lift, hydraulic control.Electrical system 7 is made of direct current system and AC system two parts.AC system includes bavin
Oily generating set 11 and AC electric appliance, AC electric appliance provide power supply by diesel generating set 11.Diesel generating set 11 wraps
Include the diesel generating set 11 and AC electric appliance that power is 8kW.A kind of subway multifunctional lifting platform of the invention Operation Van is also
It is the external socket of AC electric appliance power supply including the power supply for being introduced from outside into AC380V.External socket is located at vehicle frame 1
Two sides.Distributing valve 15 is 120 type distributing valves.
In the present embodiment, vehicle frame 1 is the installation foundation of all components of vehicle.Lifting column include: swing mechanism, brake,
Lift, hydraulic control.In lifting column, up and down are completed using full hydraulic drive and revolution acts, the rising of lifting column,
Decline and the 120 ° of revolution operations in left and right；Lifting altitude is greater than 4m away from rail level.Its is light-weight, integrated level is high.
In the present embodiment, direct current system includes power supply, manipulation and control, protection, illumination.AC system include generating set and
AC electric equipment.Vehicle powering mode has: alternating-current electric system 7 includes 8kW diesel generating set and AC electric appliance.It is led
It is divided to two kinds of powering modes:
(1) when diesel generating set 11 starts, 8kW diesel generating set directly powers to AC electric appliance on vehicle；
(2) when diesel generating set 11 is inactive, vehicle is supplied electricity to from outer introducing AC380V by the external socket of vehicle two sides
Upper AC electric appliance power supply.
In the present embodiment, framework uses the box girder structure of welded type steel plate combination, improves the rigidity of bogie.It turns to
Frame is unpowered bogie.
In the present embodiment, single stage suspension uses " eight " font rubber metal pad, suffered when being conducive to mitigate bogie operating to rush
Power is hit, guarantees that vehicle is steady, is safely operated.
Compared with the relevant technologies, beneficial effects of the present invention are as follows:
(1) vehicle integrates more covering devices such as lift rotary job platform 8, fixed operation platform 3, actinobacillus device 5, integration
Height, arrangement is rationally, securely and reliably；
(2) vehicle fixed operation platform 3, lift rotary job platform 8 can meet in tunnel respectively and construct outside tunnel and want
It asks；
(3) vehicle uses lift rotary job platform 8, increases the working range of job platform, meets staff to line
Job requirements around road.
(4) the lift rotary job platform 8 that vehicle uses can be provided power to hydraulic using the generating set of vehicle configuration
Pumping plant, so that output power, can also input AC380 power supply by the power car even hung with it, be hydraulic power unit system power supply.
(5) vehicle configures actinobacillus device 5, and the fixed operation platform 3 with wire support joins with operation vehicle for contact wire when operation
Hang, form Operation Van's group, can be used for the erection of contact line conducting wire and carrier cable and the installation, maintenance of contact net top facility and
Current check, maintenance.
The above are merely embodiments of the present invention, it should be noted here that for those of ordinary skill in the art,
Without departing from the concept of the premise of the invention, improvement can also be made, but these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of subway multifunctional lifting platform Operation Van characterized by comprising vehicle frame (1), guard rail (2), fixed work
Industry platform (3), walking system (4), actinobacillus device (5), braking system (6), electrical system (7), lift rotary job platform
(8)；Wherein, the walking system (4) is two sets, and is located at the lower part both ends of the vehicle frame (1)；The braking system
(6) it is set to the lower section of the vehicle frame (1), and is located between two sets of walking systems (4)；The fixed operation platform (3) sets
In the one end on the top of the vehicle frame (1), the lift rotary job platform (8) is set to the another of the top of the vehicle frame (1)
End；The actinobacillus device (5) is set to above the vehicle frame (1) and is located at the fixed operation platform (3) and the lift rotary
Between job platform (8), the electrical system (7) is set to above the vehicle frame (1) and is located at the lift rotary job platform
(8) between the actinobacillus device (5)；The guard rail (2), which is set to the top of the vehicle frame (1) and encloses, sets the fixed work
Industry platform (3), the actinobacillus device (5), the electrical system (7) and the lift rotary job platform (8).
2. subway multifunctional lifting platform according to claim 1 Operation Van, which is characterized in that the walking system (4)
Including two bogies, the bogie includes framework, side bearing, wheel pair and axle box, " eight " font rubber metal pad, the upper and lower heart of spherical surface
Disk, foundation brake, damper, the bogie are carried jointly by the spherical surface tool for up-down cartridge and the side bearing, and the framework is
Plurality of steel plates welds the box girder structure being composed.
3. subway multifunctional lifting platform according to claim 1 Operation Van, which is characterized in that the braking system (6)
Including Pneumatic brake systems, hand brake device, brake rigging；The braking system (6) includes: distributing valve (15), work
Cylinder (16), auxiliary reservoir (14), centrifugal dust collector, empty and load conversion equipment (13), hose coupling, checking cylinder (17),
Pipeline fittings；The foundation brake is single brake shoe formula, and the foundation brake includes hand braking mechanism.
4. subway multifunctional lifting platform according to claim 1 Operation Van, which is characterized in that the lift rotary operation
Platform (8) includes lifting column and the job platform on the lifting column, the lifting column include: swing mechanism, brake,
Lift, hydraulic control.
5. subway multifunctional lifting platform according to claim 1 Operation Van, which is characterized in that the electrical system (7)
It is made of direct current system and AC system two parts.
6. subway multifunctional lifting platform according to claim 5 Operation Van, which is characterized in that the AC system includes
Diesel generating set (11) and AC electric appliance, the AC electric appliance provide power supply by the diesel generating set (11).
7. subway multifunctional lifting platform according to claim 6 Operation Van, which is characterized in that the diesel generating set
(11) include power be 8kW diesel generating set (11) and AC electric appliance.
8. subway multifunctional lifting platform according to claim 1-7 Operation Van, which is characterized in that the subway
Multifunctional lifting platform Operation Van further includes external socket, and the external socket is institute for being introduced from outside into the power supply of AC380V
State AC electric appliance power supply.
9. subway multifunctional lifting platform according to claim 8 Operation Van, which is characterized in that the external socket is located at
The two sides of the vehicle frame (1).
10. subway multifunctional lifting platform according to claim 3 Operation Van, which is characterized in that the distributing valve (15)
For 120 type distributing valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505598.4A CN109398387B (en) | 2018-12-10 | 2018-12-10 | Multifunctional subway lifting platform operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811505598.4A CN109398387B (en) | 2018-12-10 | 2018-12-10 | Multifunctional subway lifting platform operation vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109398387A true CN109398387A (en) | 2019-03-01 |
| CN109398387B CN109398387B (en) | 2023-09-05 |
Family
ID=65458229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811505598.4A Active CN109398387B (en) | 2018-12-10 | 2018-12-10 | Multifunctional subway lifting platform operation vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109398387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373747A (en) * | 2021-07-22 | 2021-09-10 | 中建三局安装工程有限公司 | Construction method for electromechanical engineering combined operation of rail transit track area |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100483323B1 (en) * | 2004-03-10 | 2005-04-19 | 최재관 | A height working car for mending of an electric railway |
| CN102285615A (en) * | 2011-08-10 | 2011-12-21 | 宝鸡南车时代工程机械有限公司 | Railway contact network wiring high altitude work vehicle |
| CN105416098A (en) * | 2015-12-25 | 2016-03-23 | 济南轨道交通装备有限责任公司 | Subway overhead line system overhaul barrow |
| CN105539205A (en) * | 2015-12-25 | 2016-05-04 | 济南轨道交通装备有限责任公司 | Comprehensive operation vehicle for subway overhead line system |
| CN105539207A (en) * | 2016-01-04 | 2016-05-04 | 济南轨道交通装备有限责任公司 | Comprehensive operation vehicle for multifunctional metro contact network |
| CN105730284A (en) * | 2016-05-11 | 2016-07-06 | 宝鸡南车时代工程机械有限公司 | Contact net wire barrow suitable for subway line |
| 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 |
-
2018
- 2018-12-10 CN CN201811505598.4A patent/CN109398387B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100483323B1 (en) * | 2004-03-10 | 2005-04-19 | 최재관 | A height working car for mending of an electric railway |
| CN102285615A (en) * | 2011-08-10 | 2011-12-21 | 宝鸡南车时代工程机械有限公司 | Railway contact network wiring high altitude work vehicle |
| CN105416098A (en) * | 2015-12-25 | 2016-03-23 | 济南轨道交通装备有限责任公司 | Subway overhead line system overhaul barrow |
| CN105539205A (en) * | 2015-12-25 | 2016-05-04 | 济南轨道交通装备有限责任公司 | Comprehensive operation vehicle for subway overhead line system |
| CN105539207A (en) * | 2016-01-04 | 2016-05-04 | 济南轨道交通装备有限责任公司 | Comprehensive operation vehicle for multifunctional metro contact network |
| CN105730284A (en) * | 2016-05-11 | 2016-07-06 | 宝鸡南车时代工程机械有限公司 | Contact net wire barrow suitable for subway line |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373747A (en) * | 2021-07-22 | 2021-09-10 | 中建三局安装工程有限公司 | Construction method for electromechanical engineering combined operation of rail transit track area |
| CN113373747B (en) * | 2021-07-22 | 2022-04-22 | 中建三局安装工程有限公司 | Construction method for electromechanical engineering combined operation of rail transit track area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109398387B (en) | 2023-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104648170B (en) | A kind of intercity car electric traction system of double-current system | |
| CN104648169B (en) | A kind of electric locomotive train power supply device | |
| CN207827760U (en) | Tooling rotating lifting trolley | |
| CN102157951A (en) | Energy storage system based on track transport | |
| CN104691343A (en) | Braking system of electric locomotive based on high-power inverter | |
| CN109398387A (en) | Subway multifunctional lifting platform Operation Van | |
| CN209366150U (en) | Subway multifunctional lifting platform Operation Van | |
| CN109677428B (en) | Tunnel engineering heavy-duty train and electric braking and air braking method thereof | |
| CN201850013U (en) | In-series elevator | |
| CN104924921B (en) | Unwinding operation vehicle for subway overhead lines | |
| CN205034976U (en) | Support rubber -tired crane of two kinds of power supply modes | |
| CN101973276B (en) | Alternating current drive fast track car | |
| CN206217678U (en) | One kind revolution lifting type contact net lines extension apparatus | |
| CN108275584A (en) | One kind having multi-functional straight rail super large heavy-duty hoisting equipment | |
| CN203271146U (en) | Movable type cantilever crane equipment and concrete conveying equipment for concrete pump | |
| CN203242940U (en) | Novel carrying cart used for handcart switch | |
| CN206189272U (en) | Wave form steel web hoist device | |
| CN208182502U (en) | One kind having multi-functional straight rail super large heavy-duty hoisting equipment | |
| CN205328482U (en) | Multi -purpose gantry container crane of two hoisting points | |
| CN209727480U (en) | A kind of train traction brake system | |
| CN113997958A (en) | Three-power locomotive group with power battery car and extensible traction topological structure | |
| CN210284205U (en) | Hybrid power transmission system based on electric transmission and rail engineering vehicle | |
| CN204135325U (en) | A kind of coverter pig 160t ladle car | |
| CN207877136U (en) | A kind of wheel-track type bale handle carrying implement | |
| CN220746463U (en) | Hybrid power electric transmission subway rail grinding wagon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |