CN107082031B - Horizontal rotation flexible mobile contact net control system and method thereof - Google Patents
Horizontal rotation flexible mobile contact net control system and method thereof Download PDFInfo
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- CN107082031B CN107082031B CN201710214535.2A CN201710214535A CN107082031B CN 107082031 B CN107082031 B CN 107082031B CN 201710214535 A CN201710214535 A CN 201710214535A CN 107082031 B CN107082031 B CN 107082031B
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- 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
- B60M1/13—Trolley wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/04—Arrangements for cutting in and out of individual track sections
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Abstract
The invention relates to a control system and a method for a horizontal rotating flexible moving contact net, wherein a single-side constant tension compensation weight is adopted at a terminal of the moving flexible contact net for tension compensation, a motor is used as a power mechanism at an initial end to drive a power rotating cantilever to rotate horizontally so as to drive the moving flexible contact net to open and close, the horizontal rotating cantilever is used as rotation assistance at a middle end and a transition end to realize horizontal side shifting of the moving flexible contact net, and the whole process is automatically and safely interlocked controlled through a PLC (programmable logic controller) and a middle end and transition end radar which are communicated with the PLC, a video monitoring device at the initial end and the transition end, a position sensor at the initial end, a grounding detection sensor at the transition end, a load switch for fixing the flexible contact net and a motor at the initial end, so that the problems that a cantilever structure is greatly lifted, no tension compensation exists in the moving process of the flexible suspension contact net, the lifting force of a follow-up mechanism is uneven, the synchronism is poor and the like are solved.
Description
Technical Field
The invention relates to the technical field of electrified railway contact networks, in particular to a horizontal rotation flexible movement contact network control system and a method thereof.
Background
At present, an electrified freight train enters a cargo handling area and an inspection garage and is generally completed by traction of a diesel locomotive, the electrified design with a contact net is realized in a small part of the cargo handling area or the inspection garage, the contact net is mostly in a fixed suspension mode, and the cargo handling form and the overhaul operation on the upper part of the train are restricted.
In order to solve the problems, a rigid movable contact net system and a flexible movable contact net system are developed at home and abroad in recent years according to different application conditions. The method can be divided into point-type operation and line-type operation according to different lengths of operation areas, the point-type operation length is generally from 20m to 30m, for example, a coal silo is filled, a mobile contact net part generally adopts rigid suspension, and the technology is reliable; the length of the linear operation is generally hundreds of meters to kilometers, and the movable contact net part needs to meet the requirement of synchronous loading and unloading of cargos on a plurality of trains in the whole loading and unloading line range, such as a station yard large cargo loading and unloading area. The movable contact net part is generally rigidly suspended or flexibly suspended, wherein the span of the rigidly suspended movable contact net is generally less than 10m, the rigid sections are more for line operation, the synchronism of each rotating mechanism is difficult to guarantee, the foundation settlement of a supporting device on a roadbed is serious, and the maintenance workload is large; the flexible suspension mobile contact system for line operation mostly adopts a parallelogram telescopic structure, and one anchor section integrally moves up and down through mechanisms such as a pulley block and a traction rope, so that the cantilever structure in the working mode is subjected to larger lifting force, and the condition of uneven stress exists in a plurality of groups of up-and-down moving units. The control mode of the mobile contact net mostly adopts the modes of sliding trolleys, hydraulic transmission or multi-motor synchronous control and the like, and the phenomena that no tension compensation exists in the moving process of the flexible suspension mobile contact net, a follow-up mechanism is easy to cause clamping stagnation due to uneven stress, a multi-motor control system is asynchronous and the like exist.
Disclosure of Invention
The invention aims to provide a control system and a control method for a horizontal rotating flexible moving contact network, which can be used for controlling the horizontal rotating flexible moving contact network in places such as a long loading and unloading goods yard, a container dock, an overhaul garage and the like, and solve the problems that a cantilever structure is subjected to a large lifting force, no tension compensation exists in the moving process of the flexible suspension moving contact network, a follow-up mechanism is stressed unevenly, the synchronism is poor and the like.
The technical scheme adopted by the invention is as follows:
horizontal rotation flexible movement contact net control system, its characterized in that:
the system comprises a fixed flexible contact net and a movable flexible contact net in a section of the fixed flexible contact net, wherein the connection part sequentially comprises a starting end and a terminal end, and a middle end and a transition end are arranged in the section;
the starting end is provided with a power rotating cantilever which is arranged on the pillar through a rotating shaft, and the power rotating cantilever horizontally rotates around the pillar under the action of a motor through a steel wire rope and a pulley block;
the middle end is provided with a follow-up rotating wrist arm which is arranged on the support through a rotating shaft;
the transition end is provided with a follow-up rotating cantilever which is arranged on the support through a rotating shaft, and the terminal is provided with a terminal lower anchor; the follow-up rotating cantilever is connected with the terminal lower anchor through a steel wire rope and a pulley block;
the connection part is provided with a plug-in type electric connection for connecting the fixed flexible contact net and the movable flexible contact net;
the system also comprises a PLC controller in the remote control room, a radar positioned at the middle end, video monitoring positioned at the starting end and the transition section, and a grounding detection sensor positioned at the starting end and positioned at the transition end; the motor, the radar, the video monitoring sensor, the position sensor and the grounding detection sensor are communicated with the PLC in a wireless mode.
The motor comprises a mechanical band-type brake component.
And the fixed flexible contact network is provided with a load switch and a sectional insulator which are connected in parallel, and the load switch is remotely connected with the PLC.
And a PLC controller in the remote control room is connected with a video display module, an input module and an alarm indicator lamp module.
The control method of the horizontal rotation flexible moving contact net is characterized in that:
the mobile flexible contact net adopts a unilateral constant tension compensation weight to compensate tension at a terminal, a motor is used as a power mechanism at an initial end to drive a power rotating cantilever to rotate horizontally so as to drag the mobile flexible contact net to open and close, the horizontal rotating cantilever is used as rotation assistance at a middle end and a transition end to realize horizontal side shift of the mobile flexible contact net, and the whole process completes automatic safety interlocking control through a PLC (programmable logic controller) and a middle end and transition end radar which are communicated with the PLC, the initial end and the transition end video monitoring, an initial end position sensor, a transition end grounding detection sensor, a load switch of a fixed flexible contact net and an initial end motor.
The method specifically comprises the following steps:
the first step is as follows: in the initial state, the movable flexible contact net is in a 'separated position' and stops at the side close to the support, and the high-voltage vacuum load switch is in a separated state; when a remote operation room receives a train arrival signal sent by a dispatching center, a worker starts an on-position control instruction of the movable contact network, and the motor acts on the power rotating cantilever to enable the movable flexible contact network cantilever to integrally rotate;
the second step is that: when the movable flexible contact net reaches an 'on' state, the position sensor sends an 'on' completion signal, at the moment, the movable flexible contact net is in reliable electrical connection with the fixed flexible contact net through plug-in type electrical connection, the electric mechanism stops running and sends a load switch 'on' request signal, a remote operation room worker judges an operation request through video monitoring images or on-site observation, if the request is correct, the worker remotely or locally turns on a load switch 'on' button, the movable flexible contact net is electrified, and the electric traction locomotive can smoothly enter the fixed flexible contact net part through the movable flexible contact net;
the third step: when the electric traction locomotive enters a loading and unloading station and stops in a loading and unloading area, the position sensor detects that the truck enters the loading and unloading area, and sends an operation request signal to a remote operation room, at the moment, a worker in the remote operation room judges an operation request through video monitoring images or on-site observation, if the request is correct, the worker starts a load switch to turn off a signal, moves a flexible contact net to lose power, and sends a power loss signal to a control center or a local operation room; after a worker monitors images or observes a load switch on site through a video and completely cuts off, starting a 'dividing' signal of the movable flexible contact network, enabling the motor to work in a generator state, and driving the cantilever of the movable flexible contact network to integrally rotate by the lower anchor weight;
the fourth step: when the movable flexible contact net reaches a 'position separating' state, the position sensor sends a 'position separating' completion signal, the motor stops running, the remote operation room judges whether a 'safe grounding' signal sent by the grounding detection sensor is received or not, if the 'safe grounding' signal is not received, the control system sends an 'unreliable grounding' alarm signal, if the 'safe grounding' signal is received, the control system sends a 'loading and unloading' request signal, and a remote operation room worker judges the operation condition through video monitoring images or field observation and informs the loading and unloading worker to carry out cargo loading and unloading operation;
the fifth step: after the loading and unloading task is finished, the loading and unloading personnel send loading and unloading finishing signals to the remote operation room, whether the operation is finished or not is judged by the remote operation room working personnel through video monitoring images or on-site observation, after the loading and unloading task is judged to be finished, the working personnel remotely or locally turn on a load switch 'closing' button, the locomotive pantograph obtains electric energy from the fixed flexible contact network again, and the electric traction locomotive is driven to run out of a loading and unloading area;
and a sixth step: after the remote operation room staff completely exit the loading and unloading area through video monitoring images or on-site observation of the truck, the staff starts a load switch 'off' signal, after the load switch is completely off, the staff starts a movable flexible contact net 'on-position' control instruction, the electric mechanism acts on the power rotating cantilever to enable the movable flexible contact net cantilever to integrally rotate, the second step process is repeated, the movable flexible contact net enters an on-position state, the load switch is closed, and the truck is waited to be pulled to enter for loading and unloading operation.
The invention has the following advantages:
1) The flexible moving contact net adopts the unilateral constant tension compensation weight for tension compensation, so that the tension of the flexible moving contact net is kept constant in the moving process, the working characteristics are not changed along with the movement, and the follow-up system has strong follow-up property.
2) The control system adopts a motor as a power mechanism to uniformly drive the flexible mobile contact net to open and close, and the synchronism among the systems is strong.
3) The control system is divided into three parts of automatic control, manual control and fault maintenance, automatic safety interlocking control is completed by a Programmable Logic Controller (PLC), and the system is simple to control and high in safety.
4) The electric mechanism is provided with a mechanical internal contracting brake function, only electric braking but no mechanical braking is allowed, and production accidents caused by free falling of heavy objects under the action of power supply power failure and no braking torque are avoided.
5) The control center or the local place is provided with a control platform which is placed in the operation room. The user can complete the remote control of the mobile contact network, the whole-course monitoring of the operation process, the function of receiving various fault alarm signals and the like through the control platform.
6) The control platform is composed of a main control platform and a screen monitoring platform, so that an operator can know the running condition of the equipment in real time conveniently and can guide the loading and unloading operation.
Drawings
Fig. 1 schematic diagram of a principle of a lateral-moving flexible mobile contact net.
Fig. 2 is a schematic diagram of safety interlock control of a lateral-moving flexible mobile contact system.
FIG. 3 is a control flow chart of the side-shift flexible mobile contact system.
FIG. 4 is a schematic diagram of a control platform of the lateral-moving flexible mobile contact system.
In the figure, 1-terminal anchor, 2-fixed flexible contact network, 3-rigid-flexible transition section, 4-movable flexible contact network, 5-plug-in type electric connection, 6-load switch, 7-section insulator, 8-radar, 9-video monitoring, 10-position sensor, 11-power rotating cantilever, 12-follow-up rotating cantilever, 13-support column, 14-transition portal frame and 15-grounding detection sensor.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a horizontal rotation flexible mobile contact net control system, which comprises a fixed flexible contact net 2 and a mobile flexible contact net 4 in a section thereof, wherein the connection part sequentially comprises a starting end and a terminal end, and a middle end and a transition end are arranged in the section.
The starting end is provided with a power rotating wrist arm 11 which is arranged on the pillar 13 through a rotating shaft, and the power rotating wrist arm 11 horizontally rotates around the pillar 13 under the action of a motor through a steel wire rope and a pulley block. The intermediate end is provided with a follower rotary wrist 12 mounted to a support 13 by a spindle. The transition end is provided with a follow-up rotating wrist arm 12 which is arranged on a support 13 through a rotating shaft, and the terminal is provided with a terminal lower anchor 1; the follow-up rotating wrist arm 12 is connected with the terminal lower anchor 1 through a steel wire rope and a pulley block. The connection part is provided with a plug-in type electric connection 5 for connecting the fixed flexible contact net 2 and the movable flexible contact net 4.
The system also comprises a PLC controller in a remote control room, a radar 8 positioned at the middle end, video monitors 9 positioned at the initial end and the transition section, and a grounding detection sensor 15 positioned at the initial end and a position sensor 10 positioned at the transition end; the motor, radar 8, video monitor 9, position sensor 10 and ground detection sensor 15 all communicate with the PLC controller in a wireless manner.
The motor comprises a mechanical band-type brake assembly, and manual and automatic control modes are realized.
The fixed flexible contact net 2 is provided with a load switch 6 and a section insulator 7 which are connected in parallel, and the load switch 6 is remotely connected with the PLC.
The PLC controller in the remote control room is connected with a video display module, an input module and an alarm indicator lamp module.
The horizontal rotation flexible moving contact net control method based on the system is characterized in that the moving flexible contact net 4 adopts a unilateral constant tension compensation balance weight to perform tension compensation at the terminal, a power rotation cantilever 11 is driven to horizontally rotate by taking a motor as a power mechanism at the initial end so as to drive the moving flexible contact net 4 to open and close, the horizontal rotation cantilever is used as rotation assistance at the middle end and the transition end so as to realize horizontal side movement of the moving flexible contact net 4, and the whole process finishes automatic safety interlocking control through a PLC (programmable logic controller), a middle end and transition end radar 8 which are communicated with the PLC, a video monitoring 9 at the initial end and the transition end, a position sensor 10 at the initial end, a grounding detection sensor 15 at the transition end, a load switch 6 for fixing the flexible contact net 2 and the motor at the initial end.
The method specifically comprises the following steps:
the first step is as follows: in the initial state, the movable flexible contact net is in a 'separated position' and stops at the side close to the support, and the high-voltage vacuum load switch is in a separated state; when a remote operation room receives a train arrival signal sent by a dispatching center, a worker starts a closing position control instruction of the movable contact network, and the motor acts on the power rotating cantilever to enable the movable flexible contact network cantilever to integrally rotate;
the second step: when the movable flexible contact net reaches an 'on' state, the position sensor sends an 'on' completion signal, at the moment, the movable flexible contact net is in reliable electrical connection with the fixed flexible contact net through plug-in type electrical connection, the electric mechanism stops running and sends a load switch 'on' request signal, a remote operation room worker judges an operation request through video monitoring images or on-site observation, if the request is correct, the worker remotely or locally turns on a load switch 'on' button, the movable flexible contact net is electrified, and the electric traction locomotive can smoothly enter the fixed flexible contact net part through the movable flexible contact net;
the third step: when the electric traction locomotive enters a loading and unloading station and stops at a loading and unloading area, the position sensor detects that the truck enters the loading and unloading area, and sends an operation request signal to a remote operation room, and at the moment, a worker in the remote operation room judges an operation request through video monitoring images or field observation, if the request is correct, the worker starts a load switch to turn off, moves a flexible contact net to lose power, and sends a power loss signal to a control center or a local operation room; after a worker monitors images through videos or observes that a load switch is completely disconnected on site, a 'dividing' signal of the movable flexible contact network is started, at the moment, the motor works in a generator state, and the lower anchor weight drives the movable flexible contact network cantilever to integrally rotate;
the fourth step: when the movable flexible contact net reaches a 'position separating' state, the position sensor sends a 'position separating' completion signal, the motor stops running, the remote operation room judges whether a 'safe grounding' signal sent by the grounding detection sensor is received or not, if the 'safe grounding' signal is not received, the control system sends an 'unreliable grounding' alarm signal, if the 'safe grounding' signal is received, the control system sends a 'loading and unloading' request signal, and a remote operation room worker judges the operation condition through video monitoring images or on-site observation and informs the loading and unloading worker to carry out cargo loading and unloading operation;
the fifth step: after the loading and unloading task is finished, the loading and unloading personnel send loading and unloading completion signals to the remote operation room, whether the operation is finished or not is judged by the remote operation room working personnel through video monitoring images or on-site observation, after the loading and unloading task is judged to be finished, the working personnel remotely or locally open a load switch 'closing' button, the locomotive pantograph obtains electric energy from the fixed flexible contact network again, and the electric traction locomotive is driven to run out of a loading and unloading area;
and a sixth step: after the remote operation room staff completely exit the loading and unloading area through video monitoring images or on-site observation of the truck, the staff starts a load switch 'off' signal, after the load switch is completely off, the staff starts a movable flexible contact net 'on-position' control instruction, the electric mechanism acts on the power rotating cantilever to enable the movable flexible contact net cantilever to integrally rotate, the second step process is repeated, the movable flexible contact net enters an on-position state, the load switch is closed, and the truck is waited to be pulled to enter for loading and unloading operation.
In the process of loading and unloading goods, foreign objects are strictly prohibited from entering a loading and unloading range, in order to ensure the safe and effective operation of the loading and unloading process, a radar device for safety protection is arranged at the strut of the flexible contact network, when a moving object is 400mm away from the mobile network, a buzzer makes a short sound, when the moving object is 200mm long, and when the moving object is 100mm, the mobile network gives an alarm, and an alarm signal is sent to a control center and a local operation room.
The system provided by the invention comprises three parts, namely automatic control, manual control and troubleshooting, in order to improve the working efficiency and safety of the mobile contact network, the control system ensures that the flexible mobile contact network has a proper opening and closing speed, the electric mechanism is provided with a mechanical brake function, only electric braking but no mechanical braking is allowed, and production accidents caused by free falling of heavy objects under the power failure and without braking torque are avoided.
The horizontal rotation flexible moving contact net control system controls the whole system through a speed signal of a command flow control PLC. Signals such as positive and negative rotating speed signals of the motor, detection signals of various sensors, fault alarm signals, manual operation instructions and the like enter the PLC, and the PLC sends start and stop signals to the frequency converter after processing so as to enable the motor to work.
The horizontal rotation flexible moving contact net system is provided with a control platform in a control center or a local place and is placed in an operation room. The control platform includes: the system comprises a video monitoring host, a control system, a fault alarm system, a regional power lighting system, an operation display, an operation button, an indicator light, a buzzer and other hardware devices and a software operation system, and provides account operation authority setting.
The user can complete the remote control of the mobile contact network, the whole-course monitoring of the operation process, the function of receiving various fault alarm signals and the like through the controller. The working states of all devices are collected in real time through a PLC, the collected data are processed through a control platform, a visual interface is arranged on a display, and the indication states and high-definition video images of all sensors are displayed in real time. High definition video image shows working conditions such as removal contact net, load switch, high-voltage insulator, hard and soft changeover portion and weight anchor in real time, makes things convenient for operating personnel to know equipment operation condition in real time, guides the loading and unloading operation.
Horizontal rotation flexible movement contact net control platform comprises main control platform and look screen monitoring platform, and main control platform includes: the operation screen, the system main wiring diagram, the indicator light area and the button area are responsible for completing the control function of the main working process of the mobile contact network system and displaying the working condition of the system in real time; the video monitoring platform comprises: high definition looks screen display and shows that screen display shows that the lamp is gone out and is gone out at the station pilot lamp and look screen control button and constitute, is responsible for accomplishing the real-time online video monitoring who removes contact net key part, guarantees the safety and stability work of whole set of system.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (4)
1. Horizontal rotation flexible movement contact net control system, its characterized in that:
the system comprises a fixed flexible contact net (2) and a movable flexible contact net (4) in a section thereof, wherein the connection part sequentially comprises a starting end and a terminal end, and a middle end and a transition end are arranged in the section;
the starting end is provided with a power rotating cantilever (11) which is arranged on the pillar (13) through a rotating shaft, and the power rotating cantilever (11) horizontally rotates around the pillar (13) under the action of a motor through a steel wire rope and a pulley block;
the middle end is provided with a follow-up rotating wrist arm (12) which is arranged on the support (13) through a rotating shaft;
the transition end is provided with a follow-up rotating wrist arm (12) which is arranged on a support (13) through a rotating shaft, and the terminal is provided with a terminal lower anchor (1); the follow-up rotating wrist arm (12) is connected with the terminal lower anchor (1) through a steel wire rope and a pulley block;
the connection part is provided with a plug-in type electric connection (5) for connecting the fixed flexible contact net (2) and the movable flexible contact net (4);
the system also comprises a PLC controller in a remote control room, a radar (8) positioned at the middle end, video monitors (9) positioned at the initial end and the transition section, and a position sensor (10) positioned at the initial end and a grounding detection sensor (15) positioned at the transition end; the motor, the radar (8), the video monitor (9), the position sensor (10) and the grounding detection sensor (15) are communicated with the PLC in a wireless mode;
the motor comprises a mechanical band-type brake component;
the fixed flexible contact net (2) is provided with a load switch (6) and a section insulator (7) which are connected in parallel, and the load switch (6) is remotely connected with the PLC.
2. The horizontal rotation flexible mobile catenary control system of claim 1, wherein:
and a PLC controller in the remote control room is connected with a video display module, an input module and an alarm indicator lamp module.
3. The control method of the horizontal rotation flexible mobile contact net control system of claim 1, characterized in that:
the mobile flexible contact net (4) adopts a unilateral constant tension compensation weight to perform tension compensation at a terminal, the motor is used as a power mechanism to drive a power rotating cantilever (11) to horizontally rotate at the starting end to pull the mobile flexible contact net (4) to open and close, the horizontal rotating cantilever is used as rotation assistance at the middle end and the transition end, the horizontal side movement of the mobile flexible contact net (4) is realized, the whole process is completed by a PLC controller, a middle end and a transition end radar (8) which are communicated with the PLC controller, a video monitoring device (9) at the starting end and the transition end, a position sensor (10) at the starting end, a grounding detection sensor (15) at the transition end, a load switch (6) for fixing the flexible contact net (2) and the motor at the starting end.
4. The control method of the horizontal rotation flexible moving contact net according to claim 3, characterized in that:
the method specifically comprises the following steps:
the first step is as follows: in the initial state, the movable flexible contact net is in a 'separated position' and stops at the side close to the support, and the high-voltage vacuum load switch is in a separated state; when a remote operation room receives a train arrival signal sent by a dispatching center, a worker starts a closing position control instruction of the movable contact network, and the motor acts on the power rotating cantilever to enable the movable flexible contact network cantilever to integrally rotate;
the second step is that: when the movable flexible contact net reaches a closed position state, the position sensor sends a closed position completion signal, the movable flexible contact net is in reliable electrical connection with the fixed flexible contact net through plug-in type electrical connection, the electric mechanism stops running and sends a load switch closed request signal, a remote operation room worker judges an operation request through video monitoring images or field observation, if the request is correct, the worker remotely or locally turns on a load switch closed button, the movable flexible contact net is electrified, and the electric traction locomotive can smoothly enter the fixed flexible contact net part through the movable flexible contact net;
the third step: when the electric traction locomotive enters a loading and unloading station and stops in a loading and unloading area, the position sensor detects that the truck enters the loading and unloading area, and sends an operation request signal to a remote operation room, at the moment, a worker in the remote operation room judges an operation request through video monitoring images or on-site observation, if the request is correct, the worker starts a load switch to turn off a signal, moves a flexible contact net to lose power, and sends a power loss signal to a control center or a local operation room; after a worker monitors images or observes a load switch on site through a video and completely cuts off, starting a 'dividing' signal of the movable flexible contact network, enabling the motor to work in a generator state, and driving the cantilever of the movable flexible contact network to integrally rotate by the lower anchor weight;
the fourth step: when the movable flexible contact net reaches a 'position separating' state, the position sensor sends a 'position separating' completion signal, the motor stops running, the remote operation room judges whether a 'safe grounding' signal sent by the grounding detection sensor is received or not, if the 'safe grounding' signal is not received, the control system sends an 'unreliable grounding' alarm signal, if the 'safe grounding' signal is received, the control system sends a 'loading and unloading' request signal, and a remote operation room worker judges the operation condition through video monitoring images or field observation and informs the loading and unloading worker to carry out cargo loading and unloading operation;
the fifth step: after the loading and unloading task is finished, the loading and unloading personnel send loading and unloading finishing signals to the remote operation room, whether the operation is finished or not is judged by the remote operation room working personnel through video monitoring images or on-site observation, after the loading and unloading task is judged to be finished, the working personnel remotely or locally turn on a load switch 'closing' button, the locomotive pantograph obtains electric energy from the fixed flexible contact network again, and the electric traction locomotive is driven to run out of a loading and unloading area;
and a sixth step: after the remote operation room staff completely exit the loading and unloading area through video monitoring images or on-site observation of the truck, the staff starts a load switch off signal, after the load switch is completely off, the staff starts a movable flexible contact net on-position control instruction, the electric mechanism acts on the power rotating cantilever to enable the movable flexible contact net cantilever to integrally rotate, the second step process is repeated, the movable flexible contact net enters an on-position state, the load switch is closed, and the truck is waited to be pulled to enter the loading and unloading area for loading and unloading operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710214535.2A CN107082031B (en) | 2017-04-01 | 2017-04-01 | Horizontal rotation flexible mobile contact net control system and method thereof |
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| CN201710214535.2A CN107082031B (en) | 2017-04-01 | 2017-04-01 | Horizontal rotation flexible mobile contact net control system and method thereof |
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| CN107985125B (en) * | 2017-12-15 | 2020-07-10 | 株洲瑞泰装备技术有限公司 | Electrified railway loading and unloading district power transmission device based on portable contact net |
| CN110316023B (en) * | 2019-07-10 | 2021-06-04 | 中车青岛四方车辆研究所有限公司 | Charging device |
| CN113320445B (en) * | 2020-02-28 | 2022-12-30 | 中铁二院工程集团有限责任公司 | Online monitoring and intelligent hidden danger and fault distinguishing and early warning system for contact network |
| CN111775777B (en) * | 2020-07-05 | 2024-03-22 | 兰州新伟车辆装备有限公司 | Constant tension mobile contact net and operation control method thereof |
| CN111775778B (en) * | 2020-07-05 | 2024-03-22 | 兰州新伟车辆装备有限公司 | Constant tension mobile contact net driving force rotating device and operation method thereof |
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| CN107082031A (en) | 2017-08-22 |
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