KR20170080124A - Third rail system applied to articulated switching device - Google Patents

Third rail system applied to articulated switching device Download PDF

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Publication number
KR20170080124A
KR20170080124A KR1020150191357A KR20150191357A KR20170080124A KR 20170080124 A KR20170080124 A KR 20170080124A KR 1020150191357 A KR1020150191357 A KR 1020150191357A KR 20150191357 A KR20150191357 A KR 20150191357A KR 20170080124 A KR20170080124 A KR 20170080124A
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South Korea
Prior art keywords
conductive rail
support member
conductive
support
base
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KR1020150191357A
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Korean (ko)
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KR101872569B1 (en
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홍두영
이성재
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주식회사 포스코아이씨티
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/38—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
    • B60L5/39—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails from third rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
    • B60L13/04—Magnetic suspension or levitation for vehicles
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B23/00—Easily dismountable or movable tracks, e.g. temporary railways; Details specially adapted therefor
    • E01B23/02—Tracks for light railways, e.g. for field, colliery, or mine use
    • E01B23/06—Switches; Portable switches; Turnouts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a third railway railway line applied to a refraction type branching rail among the railway railway facilities for a light railway train.
The third railway railway line applied to the refraction branching device according to one aspect of the present invention includes: a conductive rail for supplying electric power to a train; At least one support member for supporting the conductive rail on one side of the refractory power distributor; And a telescopic joint member for elastically connecting the conductive rail to an adjacent conductive rail in an electrically conductive state.

Description

[0001] The present invention relates to a third rail system applied to an articulated switching device,

The present invention relates to a third railway railway line applied to an articulated branching machine, and more particularly, to a third railway railway line suitable for an articulated branching machine among electric railway equipment for supplying external power to a railway train in operation.

Trains are operated in such a way that they can not escape from the track, so to change paths from one track to another, special equipment on the track (branch device) is required. When a train is installed by installing a structure such as a lightweight train or a magnetic levitation train, the branch structure is moved in place of the stationary branch used in ordinary railroad, An articulated splitter is used to change the path so that the train can travel.

As shown in Korean Patent No. 10-0675314 and Korean Patent Laid-open No. 10-2014-0083371, the refraction type branching unit may be formed of a plurality of girders, and each girder may be bent And the direction of the train is determined by selecting the trajectory.

Meanwhile, in the case of the conventional art, the third railway railway line applied to the refraction type branching device is manufactured in the same refraction type structure as the third railway railway line corresponding to the joint portion of the refractory type power train. Specifically, as shown in Fig. 1, on the left and right sides of the plurality of girders 11, 12 constituting the refraction type branching machine, the third railway railway lines 21, 22 are provided corresponding to the lengths and joint angles of the respective girders And the bending of the third railway line is also performed according to the position where the refraction branching device is bent. Then, a joint line portion was formed in the articulation portion of the refractory branch (that is, between the girder and the girder).

Therefore, in the case of the prior art, it is necessary to precisely manufacture the length and angle of the third railway line in accordance with the length of the girder and the angle of the joint, in order to install the third railway railway in the refraction type branching machine. There has been a problem in that the respective parts must be installed accurately in accordance with the position in order to smoothly connect the joints. As a result, the structure is complicated due to a large number of parts for electric branch lines, and when the positioning error occurs, the electric power supply to the vehicle is not smooth and time and effort are also required in maintenance.

Korean Patent Registration No. 10-0675314 Korean Patent Publication No. 10-2014-0083371

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems and it is an object of the present invention to provide an artificial branching machine capable of being easily installed without being greatly affected by the lengths and joint angles of the respective girders constituting the articulated branching machine The third railway railway line is provided.

Another object of the present invention is to provide a third railway railway which is applicable to an articulated branching machine in which the articulated portion of the articulated branch is not formed in the articulated portion of the articulated branching machine, will be.

To this end, a third railway railway line applied to an articulated damper according to an aspect of the present invention includes a conductive rail for supplying electric power to a train; At least one support member for supporting the conductive rail on one side of the refractory power distributor; And a telescopic joint member for elastically connecting the conductive rail to an adjacent conductive rail in an electrically conductive state.

Advantageously, said at least one support member comprises at least one stationary support member and at least one flow support member.

Wherein the at least one stationary support member comprises: a support plate secured to one side of the refractory device and configured to have elasticity; A support base coupled to the support plate; An insulating insulator coupled to the support base and made of an insulating material; A fixed crocket coupled to the insulator; And a crossover member coupled to one end of the fixed crossover base to support the conductive rail in a fitting manner.

The at least one fluid type support member may include a support plate fixed to one side of the refractory type generator and configured to have elasticity; A support base coupled to the support plate; An insulating insulator coupled to the support base and made of an insulating material; A floating type crossover base coupled to the insulator; And a pair of rollers coupled to one end of the fluid type croly base to slidably support the conductive rail.

Preferably, the telescopic joint member includes a pair of sliding bars that extend and retractably contact each other in a sliding manner, and each sliding bar has a conductive rail coupling portion coupled with the conductive rail; A plurality of plates protruding from the conductive rail coupling portion in a thin bar shape; A sliding groove formed at a center of the plurality of plates in the longitudinal direction; And a sliding groove penetrating part provided at an end of the plurality of plates and penetrating the sliding groove of the corresponding sliding bar.

Meanwhile, the third railway railway line applied to the refraction branching device according to another embodiment of the present invention includes: a first conductive rail for supplying electric power to a train passing through the first girder; A second conductive rail for supplying electric power to a train passing through the second girder; At least one first support member for supporting the first conductive rail on one side of the first girder; At least one second support member for supporting the second conductive rail on one side of the second girder; And an expansion joint member that elastically connects the first conductive rail and the second conductive rail in an electrically conductive state.

According to the present invention, the third railway railway can be easily installed without being greatly affected by the lengths and joint angles of the respective girders constituting the refraction branching unit.

In addition, it is possible to smoothly supply electric power to the vehicle by installing the third railway railway line provided in each girder without forming a joint line part in the articulation part of the articulated branching machine, seamlessly, Can be simplified. In addition, the time and effort required for maintenance can be significantly reduced.

FIG. 1 is a view showing a structure of a third railway line applied to a refraction type branching device according to the prior art.
FIG. 2 is a schematic view showing a structure of a two-way refracting power splitter to which the present invention can be applied.
3 is a view showing a structure of a third railway line applied to an articulated divider according to an embodiment of the present invention.
4 is a view showing a state where a fixed support member according to an embodiment of the present invention fixes and supports a conductive rail.
5 is an exploded perspective view of a stationary support member in accordance with an embodiment of the present invention.
6 is a view showing a state in which a flow-type support member according to an embodiment of the present invention supports a conductive rail in a flowable manner.
7 is an exploded perspective view of a fluid type support member in accordance with an embodiment of the present invention.
8 is a view showing a state in which two conductive rails are connected by an expansion joint according to an embodiment of the present invention.
9 is an enlarged view of a telescopic joint according to an embodiment of the present invention.
10 is a view showing a sliding bar constituting an expansion joint according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unnecessarily obscure.

The third rail system uses another track to supply electricity to trains running along the track. A train is equipped with a metal power collecting device that makes contact with the feed rail, and a circuit is formed by using the trajectory on which the wheels are placed as another pole. Since the third rail system does not need a structure to install the electric line in the air, it is less expensive to install than the electric line and there is no electric line that interferes with the view, so it is excellent in appearance and widely used in light rail or magnetic levitation train.

On the other hand, when a train is installed by installing a structure such as a light-weight train or a magnetic levitation train, an articulated splitter is used as a track structure to change the path of the train. The refraction type branching unit is formed of a plurality of girders and refracts the respective girders at a predetermined angle to select trajectories in two directions, three directions, five directions, and the like to determine the traveling direction of the train.

In this regard, Fig. 2 schematically shows the structure of a two-way refracting power splitter to which the present invention can be applied.

Referring to FIG. 2, the main path 100 is selectively connected to one of the two main circuits 102 and 104 by the refractory power distributor 110. The refractory power distributor 110 may be formed of a plurality of girders, and in the case of FIG. 2, the girders 111, 112, and 113 are composed of three girders. The first and second girders 112 and 113 are formed by a long span girder and the second and third girders 112 and 113 are formed by a short span girder. To perform a branching motion.

Although the two-way refraction type branching device is illustrated in FIG. 2, it is possible to implement refraction type branched paths in various directions such as three directions and five directions. In the case of the three-girder structure as shown in Fig. 2, the three-way branching machine has a maximum of 11.5 [deg.] And the five-way branching machine has the maximum 23 < / RTI >

The more the direction of deflection type branching machine is, the longer the bending angle and length are, and the more stress and movement distance are generated in the catenary line. As a result, the third railway railway line is subjected to a large amount of bending due to bending of the refractory type branching machine, and a fatigue load is caused by the bending repetitive motion of the refractory type branching machine.

The third railway railway line applied to the refracting branching device according to the present invention is designed to sufficiently absorb the fatigue load due to the bending repetitive motion of the refractory power distributing device corresponding to the bending of the refractory power dividing device, The present invention will be described in detail with reference to Figs.

3 is a view showing a structure of a third railway line applied to an articulated divider according to an embodiment of the present invention.

Referring to FIG. 3, the third railway railway line applied to the refraction type branching device according to an embodiment of the present invention includes conductive rails 121 and 122 for supplying electric power to a train, And a flexible joint member 150 for connecting the conductive rail to an adjacent conductive rail in an electrically conductive state in a stretchable state.

The conductive rails 121 and 122 are also referred to as power rails as a third rail for supplying electric power to the current collectors of the trains. The conductive rail may be constituted by a copper alloy contact portion in contact with the current collecting device of the vehicle and an aluminum body through which a current can flow. The conductive rail may be a top contact type, a side contact type, Bottom contact type. In the case of FIG. 3, the bottom contact method is implemented.

The support members 130 and 140 serve to support the conductive rails 121 and 122 on the left and right sides of the refractory power distributor 110. [ According to a preferred embodiment of the present invention, the support member for supporting the conductive rail may be divided into a stationary support member 130 and a flow support member 140, which are attached to the refractory power distributor 110 Different shapes are used depending on the location. For example, the fixed support member 130 is used at both ends of the refractory power distributor 110, and the fluidized support member 140 is used at the other portions.

In this regard, FIG. 4 is a view showing a state where the fixed support member according to the embodiment of the present invention fixedly supports the conductive rail, FIG. 5 is an exploded perspective view of the fixed support member according to the embodiment of the present invention will be.

4 and 5, the fixed support member 130 according to an embodiment of the present invention includes a support plate 131, a support base 132, an insulator (not shown) 133, a fixed claw base 134, and a claw 135. And optionally a pair of fixed anchors 136a, 136b.

The support plate 131 is for fixing the stationary support member 130 to one side of the refractory power distributor 110 and forms a bent portion such as a spring for the vibration of the train or the refraction of the branch Or the like. The support base 132 is coupled to the support plate 131 to support the main portion of the support member and to distribute the load to the support plate 131.

The insulator 133 is interposed between the support base 132 and the fixed croly base 134 to prevent the current flowing through the conductive rail 121 from being transmitted to the refractory power distributor 110. The insulator 133 is made of an insulating material, and may be embodied, for example, of an epoxy resin.

The fixed type crossover base 134 is coupled to the insulator 133 to support the crossover 135. The claw 135 is coupled to one end of the fixed claw base 135 to support the conductive rail 121. According to an embodiment of the present invention, the conductive rail 121 may have lines projecting along the lengthwise direction on both upper sides of the crown 135 so that the conductive rail 121 can be fitted to the crown 135. In this case, The conductive rail 121 is supported in a fitting manner, and the conductive rail 121 can be slightly moved in the longitudinal direction thereof.

A pair of fixed anchors 136a and 136b which can be selectively applied to the fixed support member 130 are fixedly coupled to the conductive rail 121 on both sides of the crook 135 such that the conductive rail 121 is extended in the longitudinal direction thereof Fully fixed to prevent sliding. It is preferable that the pair of fixed anchors 136a and 136b are provided on the fixed support member located at the uppermost end among the fixed support members provided at both ends of the refractory power distributor 110. [

FIG. 6 is a view showing a state in which a fluid type support member according to an embodiment of the present invention fixes and supports a conductive rail, and FIG. 7 is an exploded perspective view of a fluid type support member according to an embodiment of the present invention.

6 and 7, a fluid type support member 140 according to an embodiment of the present invention includes a support plate 141, a support base 142, an insulator 143, a fluid type croche base 144, And a pair of rollers 145a and 145b.

The support plate 141 is for fixing the fluid-type support member 140 to one side of the refractory power distributor 110 and forms a bent portion, for example, for the purpose of buffering the vibration of the train or refraction of the branch, Or the like. The support base 142 is coupled to the support plate 141 to support the main portion of the support member and to distribute the load to the support plate 141.

The insulating insulator 143 is provided between the support base 142 and the fluid type croly base 144 so as to prevent the current flowing through the conductive rail 121 from being transmitted to the refractory power distributor 110. The insulator 143 is made of an insulating material, and may be embodied, for example, of an epoxy resin.

The fluid type crose base 144 is coupled to the insulator 143, and at one end thereof, a pair of rollers 145a and 145b are coupled. According to an embodiment of the present invention, the conductive rail 121 may include a line protruding along the longitudinal direction on both upper side surfaces thereof so as to be able to be fitted to the pair of rollers 145a and 145b. In this case, The pair of rollers 145a and 145b support the conductive rail 121 in a fitting manner and the conductive rail 121 can be freely slidably moved in the longitudinal direction thereof. Also, according to a preferred embodiment of the present invention, the distance between the pair of rollers 145a and 145b is formed to be slightly larger than the width of the conductive rail 121 inserted in the pair of rollers 145a and 145b, The conductive rail 121 can be somewhat flowed in a direction perpendicular to the longitudinal direction (i.e., the direction in which the pair of rollers are oriented) when the formatter 110 is bent and moved.

8 is a view showing a state in which two conductive rails are connected by an expansion joint according to an embodiment of the present invention. FIG. 9 is an enlarged view of an expansion joint according to an embodiment of the present invention, and FIG. 10 is a view illustrating a sliding bar constituting an expansion joint according to an embodiment of the present invention.

8 to 10, a stretch joint 150 according to an embodiment of the present invention is provided between two conductive rails 121 and 122 to electrically connect the conductive rails 121 and 122 to each other Extend and retract.

According to a preferred embodiment of the present invention, the expansion joint member 150 can be realized in a form in which a pair of sliding bars 150a and 150b are coupled in a slidable manner.

9 and 10, the expansion joint member 150 according to the preferred embodiment of the present invention is composed of a pair of sliding bars 150a and 150b, A plurality of contact plates 152a and 152b, sliding grooves 153a and 153b and sliding groove penetrations 154a and 154b.

The conductive rail coupling portions 151a and 151b are portions to be coupled with the conductive rails 121 and 122 to which the expansion joint member 150 is connected and the plurality of contact plates 152a and 152b are conductive rail coupling portions 151a, 151b to form a thin bar in contact with the corresponding mating contact plates 152b, 152a in an interdigitated manner. Sliding grooves 153a and 153b are provided at the centers of the plurality of contact plates 152a and 152b in the longitudinal direction and sliding groove penetrations 154a and 154b are formed at one end of the plurality of contact plates 152a and 152b And is coupled through the sliding grooves 153b and 153a formed in the corresponding plurality of contact plates 152b and 152a so that the pair of sliding bars 150a and 150b are slidable in the longitudinal direction thereof, (Expansion Joint).

The expansion joint 150 may be provided in the middle of the conductive rails located on the left and right sides of the refractory power distributor 110. In particular, And between the girders).

For example, when the refractory power distributor 110 is constituted by the first girder 111, the second girder 112 and the third girder 113, the expansion joint member 150 passes through the first girder 111 And a second conductive rail for supplying electric power to the electric train passing through the second girder 112 and a second electric conductive rail for supplying electric power to the electric train passing through the second girder 112 2 conductive rails and the third conductive rails that supply power to the trains passing through the third girder 113 so that the conductive rails are gently bent in accordance with the bending movement of the refractory power distributors 110 .

The expansion joint member 150 is additionally provided in the middle of the individual girders 111, 112 and 113 in addition to the joint portions of the refractory power distributor 110 so as to correspond to the refraction movement of the refractory power distributor 110 So that the conductive rail can be more flexibly bent.

In this case, it is preferable to use the fluid-type supporting member 140 as the supporting member positioned adjacent to each end of the conductive rail connected to both sides of the expansion joint member 150. As described above, It is preferable that the support member located at both ends of the refractory power distributor 110 connected to the main circuits 102 and 104 uses the fixed support member 130. [ In addition, the fluid-type support member located near the expansion joint member 150 can realize a slightly wider distance between the pair of rollers 145a, 145b than the fluid-type support member located elsewhere, It is desirable to implement such that it can absorb tension and compression sufficiently.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. ≪ / RTI > are to be understood in all respects only as illustrative and not restrictive.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. .

Claims (12)

As a third railway railway line applied to an articulated branching machine,
A conductive rail supplying electric power to a train;
At least one support member for supporting the conductive rail on one side of the refractory power distributor; And
And an expansion joint member extending in an outer portion along the bending direction in an electrically conductive state with the conductive rail adjacent to the conductive rail,
Wherein the at least one support member comprises at least one stationary support member and at least one fluid support member,
Wherein said at least one stationary support member is provided on at least one end of said refractory branch adjacent to a main path or main circuit connected to said refractory branch, Is provided at an intermediate portion except for at least one end portion of the refractory power distributing device provided with the member. The method according to claim 1,
Wherein the at least one stationary support member comprises:
A fixed crocco base fixed to one side of the refractory power divider; And
And a crossover portion coupled to one end of the fixed crossover base to support the conductive rail in a fitting manner. 3. The method of claim 2,
Wherein the at least one stationary support member comprises:
A support plate fixed to one side of the refractory device and formed to have elasticity;
A support base coupled to the support plate; And
Further comprising an insulation insulator coupled between the support base and the fixed type crossover base and made of an insulating material. The method of claim 3,
Wherein the at least one stationary support member comprises:
Further comprising a pair of fixed anchors fixedly coupled to the conductive rails at both sides of the crook to fix the conductive rails. ≪ Desc / Clms Page number 19 > The method according to claim 1,
Wherein the at least one flow-
A fluid type crocco base fixed to one side of the refractory power divider; And
And a pair of rollers coupled to one end of the fluid type croly base to slidably support the conductive rail. 6. The method of claim 5,
Wherein the at least one flow-
A support plate fixed to one side of the refractory device and formed to have elasticity;
A support base coupled to the support plate; And
And an insulation insulator coupled between the support base and the floating type crossover base and made of an insulating material. The method according to claim 6,
Wherein the distance between the pair of rollers is larger than the width of the conductive rail so that the conductive rail can flow in a direction perpendicular to the longitudinal direction thereof. 8. The method according to any one of claims 1 to 7,
Wherein the telescopic joint member includes a pair of sliding bars that are in contact with each other in a stretchable manner in a sliding manner. 9. The method of claim 8,
The sliding bar
A conductive rail coupling portion coupled to the conductive rail;
A plurality of plates protruding from the conductive rail coupling portion in a thin bar shape;
A sliding groove formed at a center of the plurality of plates in the longitudinal direction; And
And a sliding groove penetrating part provided at an end of the plurality of plates and penetrating the sliding groove of the corresponding sliding bar. The method according to claim 1,
Wherein the refractory splitter comprises a first girder having a first conductive rail on one side thereof and a second girder having a second conductive rail on one side thereof,
Wherein the at least one support member comprises at least one first support member for supporting the first conductive rail on one side of the first girder and at least one second support member for supporting the second conductive rail on one side of the second girder And a second support member,
Wherein the expansion joint member is configured to connect the first conductive rail and the second conductive rail in an electrically conductive manner in an expandable and contractible manner. 11. The method of claim 10,
The at least one first support member includes a first flow support member for fluidly supporting the first conductive rail adjacent the expansion joint member,
Wherein said at least one second support member comprises a second flow-type support member for fluidly supporting said second conductive rail adjacent said expansion joint member. ≪ RTI ID = 0.0 > . The method according to claim 10 or 11,
Wherein the at least one first support member includes a first fixed support member for fixing and supporting the first conductive rail adjacent to a main path or main circuit connected to the refraction type branching unit As a third railway line.
KR1020150191357A 2015-12-31 2015-12-31 Third rail system applied to articulated switching device KR101872569B1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100675314B1 (en) 2005-12-30 2007-01-29 한국기계연구원 Moving apparatus of switch and crossing for magnetically levitated vehicle
KR20100114310A (en) * 2009-04-15 2010-10-25 주식회사 포스코아이씨티 Power rail assembly for railroad car
KR20100114314A (en) * 2009-04-15 2010-10-25 주식회사 포스코아이씨티 Power rail assembly for railroad car
KR20130013000A (en) * 2011-07-27 2013-02-06 주식회사 서강이엔씨 Shifted protective device for cable
KR200465705Y1 (en) * 2011-08-31 2013-03-06 하태우 Railbond
KR20140083371A (en) 2012-12-26 2014-07-04 주식회사 대명엔지니어링 Track branching apparatus
KR20150094237A (en) * 2014-02-11 2015-08-19 오성기전주식회사 Joint device of a power rail

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100675314B1 (en) 2005-12-30 2007-01-29 한국기계연구원 Moving apparatus of switch and crossing for magnetically levitated vehicle
KR20100114310A (en) * 2009-04-15 2010-10-25 주식회사 포스코아이씨티 Power rail assembly for railroad car
KR20100114314A (en) * 2009-04-15 2010-10-25 주식회사 포스코아이씨티 Power rail assembly for railroad car
KR20130013000A (en) * 2011-07-27 2013-02-06 주식회사 서강이엔씨 Shifted protective device for cable
KR200465705Y1 (en) * 2011-08-31 2013-03-06 하태우 Railbond
KR20140083371A (en) 2012-12-26 2014-07-04 주식회사 대명엔지니어링 Track branching apparatus
KR20150094237A (en) * 2014-02-11 2015-08-19 오성기전주식회사 Joint device of a power rail

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