KR101798938B1 - Movale icicle crushing system for electric railway tunnels - Google Patents

Abstract

The present invention relates to a movable icicle crushing system for an electric railway tunnel, which removes icicles resulting from deterioration, faulty construction during winter seasons in a tunnel where a high voltage trolley wire (including a messenger wire) is installed to operate an electric railway not to cause a short circuit in the trolley wire, thereby securing safe operation of the electric railway. More specifically, the movable icicle crushing system for the electric railway tunnel comprises: a crushing means crushing and removing icicles generated on an upper portion of the electric railway tunnel, a guide means formed on an upper portion of the tunnel in a longitudinal direction of the tunnel to guide movement of the crushing means, and a moving means on which the crushing means is installed and which moves in the longitudinal direction of the tunnel along the guide means. The crushing means installed in the moving means crushes and removes the icicles formed on an upper portion of the tunnel as the moving means is moved forwards or backwards in the longitudinal direction of the tunnel. As such, it is possible to reduce labor and maintenance costs caused by the removal of the icicles formed in the tunnel for the electric railway during the winter seasons; prevents an electric accident; and secures safe operation of the electric railway.

Description

[0001] MOVALE ICICLE CRUSHING SYSTEM FOR ELECTRIC RAILWAY TUNNELS [0002]

The present invention relates to an electric railway safety system in which a high-voltage electric cable (including a bumper wire) is installed in an electric railway to prevent a short circuit of the electric wire due to icicles generated due to defects during aging and construction in winter, The present invention relates to a movable icicle crushing system for an electric railway tunnel, and more particularly, to a crushing system for crushing and removing icicles generated in an upper part of an electric railway tunnel, And a moving means for moving the crushing means in the longitudinal direction of the tunnel along the guide means, wherein the moving means is disposed in the longitudinal direction of the tunnel And the shredding means provided on the moving means while moving forward or backward By means of crushing and removing the icicles generated in the upper part of the tunnel by means of the tunnel, it is possible to reduce the labor cost and the maintenance cost due to the elimination of the icicle generated in the tunnel for the electric railway in the winter season, to prevent the electric safety accident and to secure the safe operation of the electric railway The present invention relates to a movable icicle crushing system for an electric railway tunnel.

In recent years, there has been an increase in the number of electric railways that are operated by electric power. In order to supply electric power to the electric railway, electric railway lines (including coarser lines) are installed on the upper part of the railway line, And installed on the ceiling of the tunnel or on an insulator provided on the upper side of the tunnel.

On the other hand, in the case of an old tunnel or a tunnel constructed in a bad condition, it is a reality that a leakage occurs partially in the ceiling, and even if it is repaired, it is a reality that the leak can not be completely caught. Such leakage of the water in the tunnel occurs as an icicle on the tunnel ceiling during the winter season, and when the icicle touches the electric cable, the electric cable is short-circuited and the power supply device is tripped. As a result, Because it can not guarantee safe operation, many manpower is put in the field to remove the icicle so that the short circuit of the electric cable does not occur during the winter season. When the icicle is confirmed, the icicle is removed by the live operation. As described above, in order to remove icicles during the winter season, safety accidents are frequently caused due to cost incurred due to input of a lot of manpower and removal of icicles during live operation and electric railway operation.

In order to solve the above-mentioned problems, there has been proposed a method for removing an icicle by installing a heating wire on the ceiling of a tunnel as disclosed in Korean Utility Model Registration No. 20-0435468.

The regeneration utility model uses a method of installing a heating unit on an overhead line of a tunnel in which a catenary line is installed by heating an aluminum hot plate of a predetermined width to prevent generation of icicles, And a problem that the icicle is still generated on the opposite side where the heater is not installed.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an electric railway tunnel having a crushing means for crushing and removing icicles generated on the tunnel, And a moving means provided with the crushing means and moved in the longitudinal direction of the tunnel along the guide means. The moving means moves forward or backward in the longitudinal direction of the tunnel The crushing means provided on the moving means can crush the icicles generated in the upper portion of the tunnel to thereby eliminate the icicles generated in the winter season tunnel, thereby reducing the labor cost and the maintenance cost, Creation of icicles in a tunnel to ensure safe operation of the tunnel The present invention has been made in view of the above problems.

According to another aspect of the present invention, there is provided a movable icicle crushing system for an electric railway tunnel, comprising crushing means for crushing and removing icicles generated in an upper portion of an electric railway tunnel, And guiding means for guiding the movement of the crushing means and moving means for moving the crushing means in the longitudinal direction of the tunnel along the guiding means, And the guide means is formed in the upper part of the tunnel in the shape of a duct formed long in the longitudinal direction of the tunnel, And the movement of the moving means And a power supply contact provided in the moving means and in contact with the electric power supply line. The power supply contactor includes a power supply contactor, And a power lead-out line which is drawn out from the power supply contactor and supplies power to the moving means.

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Further, the present invention is characterized in that the moving means includes a moving roller which moves along the moving guide space portion of the guide means, a driving motor which supplies driving force to the moving roller, and a driving force which transmits the driving force of the driving motor to the moving roller And a transmission means.

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Further, the present invention is characterized in that the crushing means is provided one on each side of the moving means, and the total width of the crushing means is such that it can cover the width of the electric live section provided at the top of the tunnel.

Further, the present invention is characterized in that both sides of the crushing means are in the form of a crushing blade formed by a blade, or a rod in the form of a circular or polygonal cross-section, and a heating wire is embedded therein.

A movable icicle crushing system for an electric railway tunnel according to the present invention comprises crushing means for crushing and removing icicles generated on an upper part of an electric railway tunnel, And a moving means provided with the crushing means and moved in the longitudinal direction of the tunnel along the guide means. The moving means moves forward or backward in the longitudinal direction of the tunnel, The crushing means installed on the upper part of the tunnel can be crushed and removed by the installed crushing means to reduce the labor cost and the maintenance cost due to the removal of the icicle generated in the wintertime tunnel and to prevent the electric safety accident, There is an effect that can be secured.

In addition, the present invention has the effect of greatly reducing the initial facility cost and the maintenance cost as compared with the electric heating icemaker.

1 is a cross-sectional view of a movable icicle crushing system for an electric railway tunnel according to the present invention;
2 is a perspective view of a movable icicle crushing system for an electric railway tunnel according to the present invention.
Fig. 3 is a cross-sectional view of the guiding means in the present invention,
4 (a) and 4 (b) are cross-sectional views of the duct embodiments of the guiding means in the present invention
5 is a schematic view of an embodiment of a power supply contact in the power supply of the present invention.
6 (a) and 6 (b) are diagrams of embodiments of power supply lines in the power supply unit of the present invention
Fig. 7 (a) is a plan view of one embodiment of the crushing means and Fig. 7 (b)
Fig. 8 (a) is a plan view of another embodiment of the crushing means and Fig. 7 (b) is a cross-sectional view of another embodiment of the crushing means

The present invention eliminates icicles by using a movable icicle crushing means so as not to cause a problem that the electromotive force (EL) and the hook line (MW) are short-circuited due to icicles generated in the winter season in a tunnel in which a high voltage electric cable is installed, The present invention relates to a movable icicle crushing system for an electric railway tunnel capable of ensuring safe operation of an electric railway, and a movable icicle crushing system for an electric railway tunnel according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, for example, an arm A is installed in a bracket B to supply electric power to an electric railway in an upper part of a tunnel, and the arm A and a bracket B, An insulator IS is provided for insulation and an arm extension part A1 capable of adjusting the length of the arm is installed on the arm. The arm (A) and the arm extension (A1) are high-voltage live sections, and therefore, when there is an icicle on the upper part of the electric structure (EL) and the saddle (MW) is short-circuited. An object of the present invention is to crush the icicles generated in the upper portion of the high-pressure live section.

1 and 2 show only a single railway railway as shown in FIGS. 1 and 2 (although only a single railway railway is shown in FIG. 1 and FIG. 2, a movable ironhead crushing system for an electric railway tunnel according to the present invention, A crushing means 40 for crushing and removing the icicles generated on the tunnel T of the tunnel T and a crushing means 40 for crushing and removing the icicles generated on the tunnel T of the tunnel T, A guide means 20 for guiding the movement of the crushing means 40 so as to guide the movement of the crushing means 40 and a movement means for moving the crushing means 40 in the longitudinal direction of the tunnel T along the guide means 20, And the moving means 30 moves forward or backward in the longitudinal direction of the tunnel T by the crushing means 40 installed on the moving means 30, Icicles generated in the upper part Is crushed and removed. At the entrance of the tunnel T, a control unit for controlling the operation time, traveling direction, traveling speed, etc. of the moving means 30 is provided. The moving means 30 moves from the entrance to the exit of the tunnel T under the control of the control unit and is moved by the crushing means 40 provided on the moving means 30, After the lapse of a certain period of time, the icicles generated in the tunnel T are moved backward from the exit to the entrance, and the crushing means 40 provided on the moving means 30 crushes and removes icicles generated on the tunnel T. The running time, the running direction, the running speed, etc. of the moving means 30 can be adjusted according to the weather, the temperature, the status of the occurrence of icicles, and the like.

The guide means 20 may be fixed by a bracket 11 extending from a bracket 12 fixed to the upper side of the tunnel T. [ In this case, the support bracket 11 is installed every 5 to 20 M to support the guide means 20. As another embodiment for supporting the guide means 20, various methods of supporting the guide means 20, such as mounting a hanger or the like on the top of the guide means 20 and supporting the guide means 20 on the top of the tunnel T Can be used.

1 to 3, the guide means 20 may be formed in a duct shape extending in the longitudinal direction of the tunnel T above the tunnel T, as shown in FIGS. In this case, the duct is partitioned into a power supply space portion 21 in which a power supply portion for supplying power to the moving means 30 is accommodated, a movement guide space portion 22 in which the moving means 30 is guided, and the like .

4 (a), the power supply unit may include a power supply space unit 21, a power supply unit 21, And in the case of FIG. 4 (b), the power supply part is installed inside the power supply space part 21. The duct-shaped guide means 20 is preferably made of aluminum or stainless steel.

The coupling structure of the guide means 20 and the moving means 30 will be described with reference to FIG.

The moving means 30 includes a moving roller 36 moving along the moving guide space portion 22 of the guide means 20, a driving motor 32 supplying driving force to the moving roller 36, A driving force transmitting means for transmitting the driving force of the driving motor 32 to the moving roller 36, and the like. The driving motor 32 is accommodated in a driving means case 31 and at least one supporting member 37 is installed on the upper surface of the driving means case 31 to guide the driving means case 31 to the guide means 20).

The moving roller 36 may be made of reinforced PVC, rubber, metal or the like and may move along the bottom surface of the movement guide space portion 22, but in another embodiment, the moving roller 36 may be provided with a gear And the bottom surface of the movement guide space portion 22 forms a gear, so that the moving roller 36 can be moved by gear engagement.

3, a belt pulley 33 is installed on the rotating shaft of the driving motor 32 and a belt pulley 33 is mounted on the driving shaft 35 of the moving roller 36 And the driving force of the driving motor 32 can be transmitted to the moving roller 36 by the belt 34. [ As another embodiment of the driving force transmitting means, the driving force of the driving motor 32 may be transmitted to the moving roller 36 by gear engagement.

As shown in FIGS. 3, 5 and 6, the power supply unit for supplying power to the moving unit 30 includes a support 56 installed in the longitudinal direction of the tunnel, A power supply contactor 52 provided in the moving means 30 to be in contact with the power supply line 55 and a power supply contactor 52 which is drawn out from the power supply contactor 52, And a power lead line 51 for supplying power to the power source 30. Here, the power supply line 55 is a bare wire made of copper or aluminum. The power supply contact 52 serves as a brush, and is made of a black surface, an electrographic graphite or a metal graphite. Epoxy, PVC, etc. are used as the insulator.

As shown in FIG. 5, the power supply contact 52 includes a contact accommodating case 53 made of an insulator that accommodates the power supply contact 52, and the inside of the contact accommodating case 53 Elastic means 54 such as a compression spring or the like is provided to press the power supply contact 52 when the power supply contact 52 comes into contact with the power supply line 55 to ensure electrical contact.

An embodiment of the coupling structure of the support member 56 fixed to the bottom surface of the power supply space portion 21 of the guide means 20 by the fixing screw 57 and the power supply line 55 will be described with reference to FIG. (a) and (b) will be referred to as follows.

6 (a), the cross section of the power supply line 55 is circular and the upper surface of the support 56 is formed with a concave surface to receive the power supply line 55 have. 6 (b), the upper surface of the power supply line 55 is formed into a T shape having a flat plate structure, and the upper surface of the support table 56 is connected to the power supply line 55 And a concave groove is formed so as to be accommodated. In this case, the shape of the power supply contact 52 contacting the power supply line 55 is also changed.

The crushing means 40 is fixed to crushing means fixing means 38 formed on both sides of the moving means 30 as shown in Fig. 3, And the width of the electrical live section provided on the upper portion of the tube (T). The crushing means 40 fixed to both side surfaces of the moving means 30 do not necessarily have to have the same shape. As another embodiment of the crushing means 40, the crushing means 40 may be provided only on one side of the moving means 30. [ Since the high voltage (25 kV) flows through the electric active section, it is necessary to secure a minimum separation distance from the crushing means 40 for safety.

As shown in Fig. 7, the crushing means 40 may be a crushing blade having both sides formed with blades, as shown in Fig. 7, or a rod having a circular cross section as shown in Fig. 8, can do. Although not shown in the figure, the crushing means 40 is also provided on the guide means 20 so as to remove icicles generated on the guide means 20. Preferably, the crushing means 40 is disposed as close to the upper surface of the tunnel T as possible.

Inside the crushing means (40), the crushing means (40) embeds the heating wire to maintain a certain degree of temperature. The heating wire supplies the power supplied by the power take-off unit 51. By incorporating the heating wire in this manner, the crushing means 40 can prevent icing from occurring due to water leakage in the tunnel, and can effectively perform icicle crushing.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that it is possible.

T: Tunnel B: Bracket
IS: insulator A: arm
A1: arm extended portion EL: electric wire
MW: Coupling line
11: Support bracket 12: Bracket
20: Guide means 21: Power supply space part
22: movement guide space part 30: moving means
31: drive means case 32: drive motor
33: Belt pulley 34: Belt
35: drive shaft 36:
37: support member 38: crushing blade fixing portion
40: crushing means 41:
42: heating wire 51: power lead wire
52: power supply contactor 53: contact housing case
54: Elastic means 55: Power supply line
56: support rod 57: fastening screw

Claims (6)

A guide means for guiding the movement of the crushing means, the guide means being elongated in the longitudinal direction of the tunnel at the upper portion of the tunnel and for guiding the movement of the crushing means; And means for moving the tunnel in the longitudinal direction of the tunnel,
Wherein the moving means moves forward or backward in the longitudinal direction of the tunnel to crush the icicles generated on the tunnel by the crushing means provided on the moving means,
The guide means is formed in a duct shape formed in a lengthwise direction of the tunnel at the upper part of the tunnel and includes a power supply space portion accommodating a power supply portion and a movement guide space portion guided by the moving means,
The power supply unit includes a support installed in the longitudinal direction of the tunnel, a power supply line seated on the support, a power supply contact provided in the moving unit and in contact with the electrical power supply line, A power supply line for supplying power to the means
Characterized in that the movable icicle crushing system for an electric railway tunnel is characterized in that the movable icicle crushing system for electric railway tunnels.
delete The method according to claim 1,
Wherein the moving means includes a moving roller that moves along the moving guide space of the guide means, a driving motor that supplies a driving force to the moving roller, and a driving force transmitting means that transmits the driving force of the driving motor to the moving roller that
Characterized in that the movable icicle crushing system for an electric railway tunnel is characterized in that the movable icicle crushing system for electric railway tunnels.
delete The method according to claim 1,
The crushing means is provided on each side of the moving means, and the total width of the crushing means is such that it can cover the width of the electric live section provided at the top of the tunnel
Characterized in that the movable icicle crushing system for an electric railway tunnel is characterized in that the movable icicle crushing system for electric railway tunnels.
The method according to claim 1,
The crushing means may be a crushing blade whose both sides are formed by blades or a rod whose cross section is circular or polygonal,
Characterized in that the movable icicle crushing system for an electric railway tunnel is characterized in that the movable icicle crushing system for electric railway tunnels.

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