CN112277734A

CN112277734A - Low-clearance coal charging station rail electrification device and application method thereof

Info

Publication number: CN112277734A
Application number: CN202011402802.7A
Authority: CN
Inventors: 范中杰; 李凯; 段冶; 董智文; 赵晓宏
Original assignee: Shaanxi Gaojia Electrical Technology Co ltd
Current assignee: Shaanxi Gaojia Electrical Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-01-29

Abstract

The application discloses low headroom coal charging station track electrification device relates to railway equipment technical field for realize that electric locomotive pulls fortune coal special train and directly moves to the coal charging station and carries out the coal charging. The low-clearance coal charging station rail electrification device comprises two portal frames and two movable contact networks. The two portal frames are respectively erected on the station entering side and the station exiting side of the coal charging station; two mobile contact nets are respectively erected on the two portal frames and are all along the track direction. According to the embodiment of the invention, two groups of mobile contact networks are arranged at the station entering side and the station exiting side of the coal charging station, and the mobile contact networks can be matched with the stroke of the electric locomotive to extend or retract, so that the problem that the contact networks cannot be erected at the low clearance of the coal charging station is effectively solved, the power supply problem of the electric locomotive is further solved, and the purpose that the electric locomotive pulls the coal transporting special train to directly run to the coal charging station for charging is realized.

Description

Low-clearance coal charging station rail electrification device and application method thereof

Technical Field

The application relates to the technical field of railway equipment, in particular to a low-clearance coal charging station rail electrification device and an application method thereof.

Background

The supporting coal charging station of constructing of special railway of electronic fortune coal, the height distance ground that its unloading funnel rises is only 5000mm, has occupied most upper portion space, and the top of electronic railway need set up electrified contact net, consequently, among the prior art, the coal charging train that generally adopts diesel locomotive to pull gets into the coal charging station, but the defect that this kind of coal charging form exists has:

1. the diesel locomotive and the electric locomotive need to be connected and disconnected, so that the operation time and unsafe factors are increased, and the efficiency is low.

2. The spare parts of the diesel locomotives with various models are not uniform, the overhauling modes are different, and the overhauling cost is increased.

3. The exhaust gas discharged by the diesel locomotive does not meet the environmental protection requirement, and the diesel oil cost is higher than the electric charge of the electric locomotive, so that the cost is not reduced.

Disclosure of Invention

The embodiment of the application provides the low-clearance coal charging station rail electrification device and the application method thereof, solves the problem that an internal combustion engine pulls a coal transporting special train in the prior art, and realizes that an electric locomotive pulls the coal transporting special train to directly run to a coal charging station for charging coal.

In a first aspect, the embodiment of the invention provides a low-clearance coal charging station rail electrification device, which comprises two portal frames and two mobile contact networks; the two portal frames are respectively erected on the station entering side and the station exiting side of the coal charging station; the two movable contact nets are respectively erected on the two portal frames and are along the track direction, and each movable contact net comprises a conductive assembly and a movable assembly; the conductive assembly is connected with the moving assembly and can supply power to the electric locomotive; the moving assembly is connected to the door-shaped frame and can drive the conducting assembly to move along the track direction.

In one possible implementation manner, the low-headroom coal charging station rail electrification device further comprises two fixed contact networks; the two fixed contact nets are respectively erected on the two portal frames and extend along the track direction to the direction far away from the coal charging station; each fixed contact net comprises a conductive assembly and a fixed assembly; the conductive assembly is connected with the fixed assembly and can supply power to the electric locomotive; the fixing component is connected to the door-shaped frame.

In one possible implementation, the fixed contact system and the mobile contact system are in the same horizontal plane; the fixed contact net and the movable contact net which are arranged on the same portal frame are arranged in parallel; so that the pantograph of the electric locomotive can be smoothly transited.

In one possible implementation manner, the conductive assembly comprises a contact network cable, a plurality of groups of contact network cable fixing plates, a contact network cable fixing frame and a plurality of contact network cable fixing pillars; the multiple groups of contact network cable fixing plates are symmetrically arranged, the bottoms of the symmetrical contact network cable fixing plates are bent, and the contact network cables are clamped inwards; the contact net wire fixing plate is connected with the contact net wire fixing frame, and the contact net wire fixing frame is connected with the bottoms of the contact net wire fixing pillars.

In one possible implementation, the moving assembly comprises a moving fixed cross beam, a driving device and a moving frame; the top of the movable fixed cross beam is connected with a portal frame; the bottom of the movable frame is connected with the conductive assembly; the driving device is arranged on the movable fixed cross beam and connected with the movable frame so as to drive the movable frame to move and further drive the conductive assembly to move along the track direction.

In a possible implementation manner, the moving assembly further comprises two groups of pulley assemblies, and the two groups of pulley assemblies are respectively connected to two ends of the moving fixed cross beam; every group's loose pulley assembly all includes two loose pulley assemblies, and two loose pulley assemblies connect respectively in the both sides of removing fixed cross beam to the symmetry sets up.

In one possible implementation manner, the moving frame further comprises two sets of moving guide rail assemblies; the two groups of moving guide rail assemblies are respectively arranged at two ends of the moving frame; each group of movable guide rail assemblies comprises two movable guide rail assemblies, and the two movable guide rail assemblies are connected to the two sides of the movable frame respectively and are symmetrically arranged; the plurality of movable guide rail assemblies correspond to the plurality of pulley assemblies one by one; the pulley components support the corresponding moving guide rail components to slide.

In one possible implementation, the driving means comprises a driving plate, a sprocket and a driving chain; the two driving plates are connected to the movable fixed cross beam in a sliding mode, and the bottoms of the two driving plates are connected to the movable frame; two chain wheels are arranged and are respectively connected with two ends of the movable fixed cross beam; at least one of the two chain wheels is a driving wheel which is externally connected with a motor and used for providing power; the transmission chain is sleeved on the two chain wheels and driven by the motor to transmit; two ends of the transmission chain are respectively connected with the two driving plates, and then the two driving plates are driven to move.

In one possible implementation mode, the fixing component comprises a contact network cable heightening fixing frame and a hoisting hanging ring; the bottom of the contact network cable heightening fixing frame is connected with the top of the conductive component, and the top of the contact network cable heightening fixing frame is connected with the door-shaped frame; the hoisting hanging ring is arranged at the top of the contact network cable heightening fixing frame and used for connecting the hoisting device with the fixed contact network when the fixed contact network is installed.

In a second aspect, an embodiment of the present invention provides an application method of a low-headroom coal charging station rail electrification device, including the following steps:

moving a contact net to stretch out: moving the contact net to an extending position in a direction close to the coal charging station, and enabling a signal lamp at the station entering side to be on in a green light mode to allow the electric locomotive to enter the station;

entering the station by the electric locomotive: the rear pantograph of the electric locomotive is smoothly transited from the fixed contact network at the station entering side to the movable contact network at the station entering side, and the electric locomotive moves to a pantograph replacing mark to stop in the direction close to the coal charging station;

replacing the pantograph of the electric locomotive: the rear pantograph of the electric locomotive descends and is separated from the mobile contact net at the station entering side; the front pantograph of the electric locomotive is lifted and is in contact with the mobile contact net at the station exit side;

the electric locomotive is out: the electric locomotive runs in the direction far away from the coal charging station, when the front pantograph of the electric locomotive is smoothly transited from the movable contact network at the outbound side to the fixed contact network at the outbound side and a container pulled by the electric locomotive is positioned below a discharging hopper, the electric locomotive stops;

moving the contact net to retract: and the movable contact net moves to a retraction position in a direction far away from the coal charging station.

One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

according to the embodiment of the invention, two groups of mobile contact networks are arranged at the station entering side and the station exiting side of the coal charging station, and the mobile contact networks can be matched with the stroke of the electric locomotive to extend or retract, so that the problem that the contact networks cannot be erected at the low clearance of the coal charging station is effectively solved, the power supply problem of the electric locomotive is further solved, and the purpose that the electric locomotive pulls the coal transporting special train to directly run to the coal charging station for charging is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a low-headroom coal charging station rail electrification device provided by an embodiment of the application;

FIG. 2 is a schematic top view of a low-headroom coal charging station rail electrification device provided by an embodiment of the present application;

fig. 3 is a schematic structural view of a catenary provided in an embodiment of the present application;

fig. 4 is a schematic structural view of a fixed contact system provided in the embodiment of the present application;

fig. 5 is a schematic structural view of a mobile catenary provided in the embodiment of the present application;

fig. 6 is a schematic partial structure view of a mobile catenary provided in an embodiment of the present application;

FIG. 7 is a flowchart of an application method of a low-headroom coal charging station rail electrification device according to an embodiment of the present application;

fig. 8 is a schematic diagram of an approach side moving contact system extending out according to an application method provided in an embodiment of the present application;

FIG. 9 is a schematic diagram of an electric locomotive inbound of an application method provided by an embodiment of the present application;

FIG. 10 is a schematic diagram of an electric locomotive conversion pantograph applying the method provided by the embodiment of the present application;

FIG. 11 is a schematic diagram of an outbound electric locomotive applying the method provided by the embodiment of the present application;

fig. 12 is a schematic view of a retraction of a moving contact system according to an application method provided in an embodiment of the present application.

Reference numerals: 1-a coal charging station; 2-a track; 3-an electric locomotive; 31-rear pantograph; 32-front pantograph; 33-a cargo box; 4-a gantry; 5-a contact network; 51-fixed contact line; 511-a fixed component; 5111-contact net thread heightening fixing frame; 5112-hoisting hanging ring; 52-moving contact net; 521-a moving component; 5211-moving fixed beam; 5212-a drive plate; 5213-a drive device; 5214-a mobile rack; 52141-a moving rail assembly; 5215-a pulley assembly; 53-a conductive component; 531-contact network cable; 532-contact net wire fixing plate; 533-contact network cable fixing frame; 534-contact net wire fixing support.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and electrical connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

The embodiment provides a low-clearance coal charging station rail electrification device, and please refer to fig. 1 to 6 in the attached drawings of the specification together.

Referring to fig. 1 and 2, the low-clearance coal charging station rail electrification device comprises two gantry 4 and two moving contact nets 52. The two portal frames 4 are respectively erected on the station entering side and the station exiting side of the coal charging station 1; the two moving contact nets 52 are respectively erected on the two portal frames 4 and are along the direction of the track 2, and each moving contact net 52 comprises a conductive assembly 53 and a moving assembly 521; the conductive assembly 53 is connected to the moving assembly 521, and can supply power to the electric locomotive 3; the moving component 521 is connected to the door frame 4 and can drive the conductive component 53 to move along the track 2.

The two mobile overhead lines 52 are respectively arranged on the gantry 4 on the entry side and the exit side of the coal charging station 1. The maximum moving distance of the two moving contact nets 52 away from the coal charging station 1 is the retraction position; the two moving contact systems 52 are extended to the maximum extent moving in the direction close to the coal charging station 1. When the electric locomotive 3 pulls the cargo box 33 to enter the coal charging station 1 for charging coal, the movable contact net 52 can move in coordination with the stroke of the electric locomotive 3, so that the power supply requirement of the electric locomotive 3 is ensured. The conductive assembly 53 of the moving contact line 52 is used to contact with the pantograph of the electric locomotive 3, thereby supplying power to the electric locomotive 3. The moving assembly 521 is connected to the gantry 4 and used for fixing the moving contact system 52, and the moving assembly 521 can drive the conductive assembly 53 to move, so that the moving contact system 52 is moved for power supply.

According to the embodiment of the invention, two sets of mobile contact networks 52 are arranged at the station entering side and the station exiting side of the coal charging station 1, and the mobile contact networks 52 can extend or retract in coordination with the stroke of the electric locomotive 3, so that the problem that the contact network 5 cannot be erected due to low clearance of the coal charging station 1 is effectively solved, the power supply problem of the electric locomotive 3 is further solved, and the purpose that the electric locomotive 3 pulls the coal transporting special train to directly run to the coal charging station 1 for coal charging is realized.

Referring to fig. 4, the low-headroom coal charging station rail electrification device further comprises two fixed contact nets 51. The two fixed overhead lines 51 are respectively erected on the two portal frames 4 and extend along the direction of the rail 2 to the direction far away from the coal charging station 1.

The fixed contact networks 51 are used for supplying power to the electric locomotive 3, and the conductive assemblies 53 of the two fixed contact networks 51 extend in the direction away from the coal charging station 1, and the working range of the fixed contact networks is the travel range where the electric locomotive 3 does not enter the station and the electric locomotive 3 leaves the station.

Each stationary contact net 51 comprises an electrically conductive member 53 and a stationary member 511. The conductive member 53 is connected to the fixing member 511; the fixing member 511 is coupled to the gate frame 4. The top of the fixing component 511 is connected to the door frame 4, and the bottom is connected to the conductive component 53 for fixing and supporting the conductive component 53. The conductive member 53 supplies the electric locomotive 3 with the electricity obtained from the power transformation.

Referring to fig. 1 to 3, the fixed contact net 51 and the movable contact net 52 are at the same horizontal plane; the fixed contact net 51 and the movable contact net 52 which are arranged on the same gantry 4 are arranged in parallel; so that the pantograph of the electric locomotive 3 can smoothly transit.

The top of the fixing member 511 is connected to the gantry 4, and the bottom of the fixing member 511 is connected to the conductive member 53. The fixing assembly 511 plays a role of fixing and supporting the fixed contact net 51. Meanwhile, the fixed component 511 is box-shaped, and the height thereof can be adjusted according to the height of the mobile contact net 52, so that the conductive component 53 of the fixed contact net 51, especially the contact net wire 531, and the conductive component 53 of the mobile contact net 52, especially the contact net wire 531, are on the same horizontal plane.

Meanwhile, the fixed contact system 51 part is parallel to the movable contact system 52, so that the power supply of the electric locomotive 3 is switched from the fixed contact system 51 to the power supply of the movable contact system 52, or the power supply of the movable contact system 52 is switched to the power supply of the fixed contact system 51, and the pantograph of the electric locomotive 3 can simultaneously contact the contact network cables 531 of the fixed contact system 51 and the movable contact system 52, thereby completing the uninterrupted power supply in the station.

Referring to fig. 4, the conductive member 53 includes a contact wire 531, a plurality of sets of contact wire fixing plates 532, a contact wire fixing holder 533, and a plurality of contact wire fixing supports 534. The contact net wire fixing plates 532 are symmetrically arranged, the bottoms of the symmetrical contact net wire fixing plates 532 are bent, and the contact net wires 531 are clamped inwards; the contact net thread fixing plate 532 is connected to a contact net thread fixing frame 533, and the contact net thread fixing frame 533 is connected to the bottoms of the plurality of contact net thread fixing struts 534.

The conductive member 53 is a core member of the contact net 5. The pantograph of the electric locomotive 3 is in direct contact with the contact network wire 531 to obtain electricity, the contact network wire 531 generally adopts a silver-copper wire, and the sectional area generally adopts 120mm²Or 150mm². The contact net wires 531 are embedded on the contact net wire fixing plate 532, and the contact net wire fixing plate 532 is provided with a plurality of groups of contact net wires 531. Two contact net wire fixing plates 532 in each group are symmetrically arranged, the bottoms of the two contact net wire fixing plates 532 in the same group are bent towards opposite sides, and the end faces of the bottoms clamp the contact net wires 531.

The top of the contact net fixing plate 532 is connected to the contact net fixing holder 533, the top of the contact net fixing holder 533 is connected to the contact net fixing support 534, and the top of the contact net fixing support 534 is connected to the fixing component 511.

The contact wire fixing posts 534 are plural, one end of two adjacent contact wire fixing posts 534 is contacted, and the plural contact wire fixing posts 534 are arranged in a triangle between the contact wire fixing frame 533 and the fixing member 511 to increase the stability of the conductive member 53.

Contact net twine fixed stay 534 is connected in proper order by a plurality of insulators and mounting and is constituteed in turn, can enough play the effect of fixed stay, can insulate again, increases creepage distance, ensures safety.

Referring to fig. 5 and 6, the moving assembly 521 includes a moving fixed beam 5211, a driving device 5213 and a moving frame 5214. The top of the movable fixed cross beam 5211 is connected with the portal frame 4; the bottom of the moving frame 5214 is connected with the conductive member 53; the driving device 5213 is mounted on the movable fixed beam 5211 and connected to the movable frame 5214 to drive the movable frame 5214 to move, and thus the conductive member 53 is driven to move along the rail 2.

With continued reference to fig. 5 and 6, the moving assembly 521 further includes two sets of pulley assemblies 5215. Two groups of pulley assemblies 5215 are respectively connected to two ends of the movable fixed cross beam 5211; each set of pulley assemblies 5215 includes two pulley assemblies 5215, and the two pulley assemblies 5215 are respectively connected to two sides of the movable fixed cross beam 5211 and are symmetrically arranged.

The travel carriage 5214 also includes two sets of travel rail assemblies 52141. The two sets of moving rail assemblies 52141 are respectively disposed at two ends of the moving frame 5214; each group of the moving rail assemblies 52141 includes two moving rail assemblies 52141, and the two moving rail assemblies 52141 are respectively connected to two sides of the moving frame 5214 and are symmetrically arranged; the plurality of moving rail assemblies 52141 correspond to the plurality of pulley assemblies 5215 one to one; the pulley assemblies 5215 support the corresponding moving rail assemblies 52141 for sliding movement.

To increase the stability of the device, the moving assembly 521 includes two sets of pulley assemblies 5215, and the moving frame 5214 includes two sets of moving rail assemblies 52141, since the moving frame 5214 extends out of the moving fixed beam 5211 when moving along the rail 2. The two sets of pulley assemblies 5215 are respectively disposed at two ends of the movable fixed beam 5211, the two sets of movable rail assemblies 52141 are respectively disposed at two ends of the movable frame 5214, the pulley assemblies 5215 correspond to the movable rail assemblies 52141 one by one, and the movable rail assemblies 52141 slide in the corresponding pulley assemblies 5215 during the movement of the movable frame 5214. The length of the moving rail assembly 52141 is adapted to the maximum range of movement of the moving frame 5214, i.e., the moving rail assembly 52141 does not fall off the support of the corresponding pulley assembly 5215.

Specifically, the drive means 5213 includes a drive plate 5212, sprockets, and a drive chain. The driving plates 5212 comprise two driving plates, each of which is slidably connected to the movable fixed beam 5211, and the bottoms of the two driving plates 5212 are connected to the movable frame 5214; two chain wheels are arranged and respectively connected to two ends of the movable fixed cross beam 5211; at least one of the two chain wheels is a driving wheel which is externally connected with a motor and used for providing power; the transmission chain is sleeved on the two chain wheels and driven by the motor to transmit; two ends of the transmission chain are respectively connected to the two driving plates 5212, and then the two driving plates 5212 are driven to move.

The drive plate 5212 is moved by a drive chain. Two chain wheels of the driving device 5213 are respectively arranged at two ends of the movable fixed beam 5211, at least one of the two chain wheels is a driving wheel, i.e., both the two chain wheels can be driving wheels, or one chain wheel can be driving wheel, and the other chain wheel is driven wheel. When the two chain wheels are both driving wheels, the two chain wheels synchronously rotate; when one of the two chain wheels is a driving wheel and the other is a driven wheel, the driving wheel drives the driven wheel to rotate through the transmission chain.

The transmission chain is sleeved outside the two chain wheels, and two ends of the transmission chain are respectively connected with the two driving plates 5212. When the two sprockets rotate clockwise, the transmission chain rotates clockwise synchronously to drive the two driving plates 5212 to move leftward, so as to drive the moving frame 5214 to move leftward, and further drive the conductive component 53 of the moving contact net 52 to move leftward. Similarly, when the two sprockets rotate counterclockwise, the transmission chain rotates counterclockwise synchronously, which drives the two driving plates 5212 to move rightwards, and further drives the moving frame 5214 to move rightwards, and further drives the conductive component 53 of the moving contact net 52 to move rightwards.

Referring to fig. 4, the fixing assembly 511 includes a contact wire raising fixing frame 5111 and a lifting hanging ring 5112. The bottom of the contact network cable heightening fixing frame 5111 is connected with the top of the conductive component 53, and the top of the contact network cable heightening fixing frame 5111 is connected with the door-shaped frame 4; the hoisting hanging ring 5112 is disposed on the top of the contact catenary heightening fixing frame 5111, and is used for connecting and fixing the catenary 51 by a hoisting device when the catenary 51 is installed and fixed.

The hoisting ring 5112 is used for hooking or fixing the hoisting ring 5112 by a hoisting end of the hoisting device when the fixed catenary 51 is installed, and hoisting the fixed catenary 51 to the gantry 4 for installation.

The present embodiment provides an application method of a low-headroom coal charging station rail electrification device, and please refer to fig. 7 to 12 in the drawings of the specification.

With reference to fig. 8, the mobile catenary 52 is extended: the mobile contact net 52 moves to the extending position in the direction close to the coal charging station 1, and the signal lamp on the station entering side is turned on, so that the electric locomotive 3 is allowed to enter the station.

The electric locomotive 3 pulls the cargo box 33 to enter the station, the contact net 52 is moved to the extending position, and after the contact net is moved to the extending position, the signal lamp on the entering side is turned on, so that the electric locomotive 3 is allowed to enter the station.

Referring to fig. 9, the electric locomotive 3 enters the station: the rear pantograph 31 of the electric locomotive 3 smoothly transits from the fixed catenary 51 at the station entering side to the mobile catenary 52 at the station entering side, and moves to the "pantograph replacement" sign and stops in the direction close to the coal charging station 1.

The electric locomotive 3 enters the station from the fixed contact network 51 at the station entering side to the mobile contact network 52 at the station entering side, and the fixed contact network 51 and the mobile contact network 52 are arranged at the same height, so that the electric locomotive 3 can smoothly transit, run to the pantograph replacing mark in the station and wait for pantograph replacement.

Referring to fig. 10, the electric locomotive 3 is a pantograph replacement: the rear pantograph 31 of the electric locomotive 3 descends and is separated from the mobile overhead line system 52 on the station entering side; the front pantograph 32 of the electric locomotive 3 is raised and brought into contact with the moving overhead line system 52 on the exit side.

The arrangement of the electric locomotive 3 is satisfied, the distance between the rear pantograph 31 and the front pantograph 32 is greater than that between the two movable contact networks 52 which are both in the extended position, and the distance between the ends of the two movable contact networks 52 close to the coal charging station 1. That is, when the electric locomotive 3 is running below the coal charging station 1 and both the moving contact lines 52 are in the extended positions, if the rear pantograph 31 of the electric locomotive 3 is raised, it can contact the moving contact line 52 on the entry side, and if the front pantograph 32 of the electric locomotive 3 is raised, it can contact the moving contact line 52 on the exit side, thereby ensuring the continuity of power supply.

Referring to fig. 11, the electric locomotive 3 is outbound: when the electric locomotive 3 is running in a direction away from the coal charging station 1, the front pantograph 32 of the electric locomotive 3 smoothly transits from the moving contact network 52 at the outbound side to the fixed contact network 51 at the outbound side, and the container 33 pulled by the electric locomotive 3 is located below the discharging hopper, the electric locomotive 3 stops.

The electric locomotive 3 pulls the cargo box 33 to move to the cargo box 33, is positioned below the blanking hopper, and waits for blanking.

Referring to fig. 12, the moving contact net 52 is retracted: the mobile overhead line system 52 is moved in a direction away from the coal charging station 1 to the retracted position.

The contact net 52 is moved to the retraction position, the contact net is moved to the position, the blanking hopper falls down, and the coal is charged into the container 33. The mobile catenary 52 and the blanking hopper have a mutual locking relationship: when the blanking hopper falls, the mobile catenary 52 is not allowed to extend enough; when the moving catenary 52 is extended, the blanking funnel is not allowed to fall.

The application method realizes uninterrupted power supply of the electric locomotive 3 through the action matching of the two mobile contact networks 52, and meanwhile, enough operation space is reserved for the coal charging station 1. Various defects of the internal combustion engine traction coal charging special train are avoided.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A low-clearance coal charging station rail electrification device is characterized by comprising two portal frames (4) and two movable contact networks (52);

the two portal frames (4) are respectively erected on the station entering side and the station exiting side of the coal charging station (1);

the two movable contact nets (52) are respectively erected on the two portal frames (4) and are along the direction of the track (2), and each movable contact net (52) comprises a conductive assembly (53) and a movable assembly (521);

the conductive assembly (53) is connected to the moving assembly (521) and can supply power to the electric locomotive (3);

the moving assembly (521) is connected to the door-shaped frame (4) and can drive the conductive assembly (53) to move along the direction of the track (2).

2. The low headroom coal charging station rail electrification apparatus of claim 1, further comprising two stationary overhead contact lines (51);

the two fixed contact nets (51) are respectively erected on the two portal frames (4) and extend along the direction of the track (2) to the direction far away from the coal charging station (1);

each of said fixed contact networks (51) comprising said conductive assembly (53) and a fixed assembly (511);

the conductive assembly (53) is connected to the fixed assembly (511) and is capable of supplying power to the electric locomotive (3);

the fixing assembly (511) is connected to the gate frame (4).

3. The low headroom coal charging station rail electrification apparatus of claim 2, wherein the fixed catenary (51) and the mobile catenary (52) are at the same level;

the fixed contact net (51) and the movable contact net (52) which are arranged on the same portal frame (4) are arranged in parallel; so as to enable a smooth transition of the pantograph of the electric locomotive (3).

4. The low headroom coal charging station rail electrification apparatus of claim 1 or 2, wherein the conductive assembly (53) comprises a contact grid (531), a plurality of sets of contact grid fixing plates (532), a contact grid fixing bracket (533), and a plurality of contact grid fixing supports (534);

the contact net wire fixing plates (532) are symmetrically arranged, the bottoms of the symmetrical contact net wire fixing plates (532) are bent, and the contact net wires (531) are clamped inwards;

the contact net thread fixing plate (532) is connected with the contact net thread fixing frame (533), and the contact net thread fixing frame (533) is connected with the bottoms of the plurality of contact net thread fixing supporting columns (534).

5. The low headroom coal charging station rail electrification apparatus of claim 1, wherein the moving assembly (521) comprises a moving fixed beam (5211), a driving apparatus (5213), and a moving rack (5214);

the top of the movable fixed cross beam (5211) is connected with the portal frame (4);

the bottom of the moving rack (5214) is connected with the conductive component (53);

the driving device (5213) is mounted on the movable fixed cross beam (5211) and connected with the movable frame (5214) so as to drive the movable frame (5214) to move and further drive the conductive component (53) to move along the direction of the track (2).

6. The low headroom coal charging station rail electrification apparatus of claim 5, wherein the moving assembly (521) further comprises two sets of pulley assemblies (5215);

the two groups of pulley assemblies (5215) are respectively connected to two ends of the movable fixed cross beam (5211); each group of the pulley assemblies (5215) comprises two pulley assemblies (5215), and the two pulley assemblies (5215) are respectively connected to two sides of the movable fixed cross beam (5211) and are symmetrically arranged.

7. The low headroom coal charging station rail electrification apparatus of claim 6, wherein the moving rack (5214) further comprises two sets of moving rail assemblies (52141);

the two groups of moving guide rail assemblies (52141) are respectively arranged at two ends of the moving frame (5214);

each group of the moving guide rail assemblies (52141) comprises two moving guide rail assemblies (52141), and the two moving guide rail assemblies (52141) are respectively connected to two sides of the moving frame (5214) and are symmetrically arranged;

a plurality of the moving rail assemblies (52141) correspond one-to-one to a plurality of the pulley assemblies (5215); the pulley assemblies (5215) support the corresponding moving guide rail assemblies (52141) to slide.

8. The low headroom coal charging station rail electrification apparatus of claim 5, wherein the drive apparatus (5213) comprises a drive plate (5214), a sprocket, and a drive chain;

the driving plates (5212) comprise two driving plates, each of which is slidably connected to the movable fixed cross beam (5211), and the bottoms of the two driving plates (5212) are connected to the movable frame (5214);

the two chain wheels are respectively connected to two ends of the movable fixed cross beam (5211); at least one of the two chain wheels is a driving wheel which is externally connected with a motor and used for providing power;

the transmission chain is sleeved on the two chain wheels and driven by the motor to transmit; two ends of the transmission chain are respectively connected with the two driving plates (5212), so that the two driving plates (5212) are driven to move.

9. The low headroom coal charging station rail electrification apparatus of claim 2, wherein the fixing assembly (511) comprises a contact grid elevation fixing bracket (5111) and a lifting hanging ring (5112);

the bottom of the contact network cable heightening fixing frame (5111) is connected with the top of the conductive component (53), and the top of the contact network cable heightening fixing frame (5111) is connected with the door-shaped frame (4);

the hoisting hanging ring (5112) is arranged at the top of the contact catenary heightening fixing frame (5111) and is used for connecting a hoisting device with the fixed catenary (51) when the fixed catenary (51) is installed.

10. An application method of the low-clearance coal charging station rail electrification device in the claim 2, comprising the following steps:

moving contact net (52) out: the movable contact net (52) moves to an extension position in the direction close to the coal charging station (1), and a signal lamp at the station entering side is turned on in a green state, so that the electric locomotive (3) is allowed to enter the station;

the electric locomotive (3) enters the station: the rear pantograph (31) of the electric locomotive (3) is smoothly transited from the fixed contact network (51) at the station entering side to the movable contact network (52) at the station entering side, and the electric locomotive moves to a pantograph replacing mark to stop in the direction close to the coal charging station (1);

replacing the pantograph of the electric locomotive (3): the rear pantograph (31) of the electric locomotive (3) descends and is separated from the mobile contact net (52) at the station entering side; the front pantograph (32) of the electric locomotive (3) is lifted and is contacted with the mobile contact net (52) at the station exit side;

the electric locomotive (3) goes out: the electric locomotive (3) runs in a direction far away from the coal charging station (1), when the front pantograph (32) of the electric locomotive (1) is smoothly transited from the movable contact network (52) at the station exit side to the fixed contact network (51) at the station exit side, and a container (33) pulled and loaded by the electric locomotive (3) is positioned below a blanking funnel, the electric locomotive (3) stops;

retracting the moving contact net (52): the movable contact net (52) moves to a retraction position in the direction far away from the coal charging station (1).