KR100899990B1 - Combination and separation automatic adjustment of tramline t-bar - Google Patents

Abstract

The present invention is installed between the tram lines to assist the connection of the tramline and drop the tramline T-bar in case of emergency, more specifically is installed in the waterproof door section of the ceiling of both ends of the carriage tunnel entrance of the bottom or seabed to flood the tunnel during accidents and disasters In this case, in order to prevent the water inside the tunnel from spreading to the outside, in order to block and open the both ends of the passenger car tunnel, when the ascending and descending watertight doors are connected between the tank lines so as not to interfere with the watertight doors, it is usually assisted to connect the tank lines. In the event of an accident and a disaster, it relates to an automatic detachment device for a tank line t-bar that can drop one side urgently and automatically return.

The configuration of the present invention is installed on the ceiling of both ends of the carriage tunnel entrance of the bottom or the seabed to prevent the tramline from interfering with the waterproof door when the waterproof door is lifted and to assist the connection of the tramline, wherein the first bevel gear is coupled to the motor A first driving part having an axis; A gear part having a second bevel gear meshed vertically with the first bevel gear of the first driving part on one side, and a fitting hole having a predetermined depth inside the other side; A plurality of fixing parts of which one side is fixed to the ceiling and the other side is coupled to the gear part to support the gear part; A detachable shaft coupled to one side of the fitting hole of the gear part and performing a linear reciprocating motion according to the driving of the gear part; The detachable shaft has a first through hole to enter and exit the linear reciprocating motion on the other side, and a friction means is formed on the inner circumferential surface of the first through hole so that the detachable shaft moves with a predetermined resistance, and one side is fixed to the ceiling to maintain a predetermined interval. A pair of support portions formed to be left; One side is interposed on the support part and the detachable means detached by the detachable shaft, and the other side coupled to the detachable means is formed in parallel so as to contact the pantograph of the passenger car with the tram line when passing through the carriage, the first insulating medium on one side of the upper end Is connected to the other side of the chariot T-bar and the demounting means is separated from the support portion so that the detachment means and the chariot T-bar fall in a circle around the other side of the chariot T-bar. Detachable portion consisting of a hanging means that is rotatably coupled to the other side of the tram line t-bar; An automatic return unit including a wire having one end fixed to the wire fixing part of the catenary t-bar and a second driving part coupled to the other end of the wire to operate to unwind and wind the wire; And a control unit controlling the first driving unit and the automatic return unit.

Catenary, Catenary T-bar, Detachable part, Waterproof door

Description

T-bar automatic demounting device for vehicle line {COMBINATION AND SEPARATION AUTOMATIC ADJUSTMENT OF TRAMLINE T-BAR}

The present invention is installed at both ends of the passenger car tunnel entrance of the bottom or the bottom of the sea, and is installed in parallel with the tramline to assist the connection of the tram line in normal times, and to lift the waterproof door during accidents and disasters. The present invention relates to a vehicle t-bar automatic detachment device detachable so as not to interfere.

In general, watertight doors installed at both the bottom and the bottom of a passenger tunnel at the bottom of a seabed are urgent to prevent water from leaking out of the tunnel and leading to a larger disaster when water reaches the danger level due to accidents and disasters. It will work with the alarm. At this time, the watertight door descends to block the inside of the tunnel to control the entry and exit of the passenger car, and after the disaster recovery, the watertight door is raised for normal operation of the car. Since the power supply to the tramline was cut off due to this damage, and a lot of repair cost and time were required, the tramline was separated by a predetermined length so as not to interfere with the tramline when the waterproof door was lifted. That is, at least the width of the watertight doors did not install the tram line. However, if the train line is not installed as wide as the watertight doors, the passengers will stop because electricity is not supplied due to the deviation of the pantograph, and when the cars suddenly stop, the passengers as well as the passengers running on the same line are all at once. You have to stop.

For this purpose, the chariot T-bar desorption device was installed and used, but the conventional chariot T-bar desorption device was used to combine and drop one side using steel wires.

However, the conventional steel wire desorption method is difficult to remove or install due to the large play and heavy loads, so that the wire is twisted or dislodged. At the time of reinstallation, at least two or three people ride by using equipment such as a ladder. I had to go up and reinstall, but I had a lot of trouble lifting at least 30kg of tanker t-bar.

In addition, as a structure to drop one side and rotate the other side, there was a problem such as breakage of the device suddenly dropped when dropped.

In addition, since the work must be recombined with a high-voltage electric current direct line, the work must be performed only after the power failure is confirmed, and the work is exposed to the risk of power failure.

The present invention has been made in order to solve the problems of the prior art, the main object of the present invention is installed on both ends of the passenger car tunnel entrance of the bottom or seabed, so that the installation of the electric car lines do not interfere with the watertight doors when the watertight door is lifted and the connection of the tramline When the watertight door descends, one side of the connecting device that connects the tramline is separated and the tanker t-bar falls and does not interfere with the watertight door. The purpose is to provide a detachment device.

In order to achieve the object as described above, the inventors of the present invention, the automatic T-bar automatic detachment device, is installed on the ceiling of both ends of the passenger tunnel entrance of the bottom or the seabed so that the train line is installed so as not to interfere with the waterproof door when assisted in the connection of the tank line. To give, the first driving unit having a motor shaft coupled to the first bevel gear; A gear part having a second bevel gear meshed vertically with the first bevel gear of the first driving part on one side, and a fitting hole having a predetermined depth inside the other side; A plurality of fixing parts of which one side is fixed to the ceiling and the other side is coupled to the gear part to support the gear part; A detachable shaft coupled to one side of the fitting hole of the gear part and performing a linear reciprocating motion according to the driving of the gear part; The detachable shaft has a first through hole to enter and exit the linear reciprocating motion on the other side, and a friction means is formed on the inner circumferential surface of the first through hole so that the detachable shaft moves with a predetermined resistance, and one side is fixed to the ceiling to maintain a predetermined interval. A pair of support portions formed to be left; One side is interposed on the support part and the detachable means detached by the detachable shaft, and the other side coupled to the detachable means is formed in parallel so as to contact the pantograph of the passenger car with the tram line when passing through the carriage, the first insulating medium on one side of the upper end Is connected to the other side of the chariot T-bar and the demounting means is separated from the support portion so that the detachment means and the chariot T-bar fall in a circle around the other side of the chariot T-bar. Detachable portion consisting of a hanging means that is rotatably coupled to the other side of the tram line t-bar; An automatic return unit including a wire having one end fixed to the wire fixing part of the catenary t-bar and a second driving part coupled to the other end of the wire to operate to unwind and wind the wire; And a control unit controlling the first driving unit and the automatic return unit.

Here, the automatic return portion, the first pulley formed on the ceiling; And a second pulley formed under the ceiling, wherein the first pulley and the second pulley assist the unwinding and winding of the wire when the second driving part is operated.

At this time, the first driving unit, the first bevel gear and the motor shaft is characterized in that the universal joint is connected.

In addition, the fixing portion, a second through-hole is formed so that the gear portion is inserted into the other side portion coupled to the gear portion, the second through-hole is characterized in that the bearing for assisting the rotational movement of the gear portion is coupled; do.

On the other hand, the detachable means of the detachable part, the first plate having a third through hole through which the detachable shaft enters and exits the support part is supported by the detachable shaft; And a second insulating medium having one side coupled to the other side of the first plate and the other side coupled to one side of the catenary t-bar.

In addition, on the other side of the tank line T-bar of the detachable part, a jump wire is connected between the tank lines to prevent the occurrence of an arc by forming an equipotential in the tank line and the tank line T-bar when the passenger car passes.

In addition, the hanging means of the detachable part may include: a third insulating medium having one side fixed to the ceiling; A coupling pin having one side coupled to the other side of the third insulating medium and a first coupling hole formed at the other side; A second plate having the other side coupled to the other side of the catenary t-bar and having one side of the pair of second coupling holes formed through the first coupling hole of the coupling pin; And a rotation bar rotatably coupled to the first coupling hole of the coupling pin and the second coupling hole of the second plate.

According to the present invention as described above, by using the automatic detachment device of the tank line Tba is installed on the ceiling of both ends of the passenger car tunnel entrance of the bottom or the seabed, so as not to interfere with the waterproof door when the waterproof door is lifted, assist the connection of the tank line, It is a convenient device that helps the passengers to communicate smoothly by connecting the tram lines in normal times, and enables quick response in closing the tunnel with the waterproof door in the event of an accident, as well as quickly recovers during the recovery. to be.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a schematic front view according to an embodiment of the automatic automatic chariot tee bar according to the present invention, Figure 2 is a schematic partial front cross-sectional view according to an embodiment of the automatic automatic chariot tee bar according to the present invention, Figure 3 1 is a schematic left side view according to an embodiment of FIG. 1A, FIG. 4 is a schematic left side view according to an embodiment of B of FIG. 1, and FIG. It is a schematic use state diagram according to an embodiment.

First, prior to explaining the configuration, it is noted that the combination of each component is not shown because it is a known technique consisting of bolts, nuts, anchor bolts and welding.

In addition, although the position and ratio may not be slightly different on the drawings, it is possible to change the design according to those skilled in the art.

As illustrated in FIG. 5, the bevel gear 110 is installed on the ceiling of both ends of the carriage tunnel entrance of the bottom or the seabed to prevent the tramline from interfering with the tarpaulin when the watertight door is lifted and to assist the connection of the tramline. A first driving part 100 having a motor shaft 120 coupled to the shaft; The gear part 200 having a second bevel gear 210 meshed vertically with the first bevel gear 110 of the first driving part 100 on one side, and the fitting hole 220 is formed at a predetermined depth inside the other side. ); A plurality of fixing parts 300, one side of which is fixed to the ceiling and the other side of which is coupled to the gear part 200 to support the gear part 200; A detachable shaft 400 having one side coupled to the fitting hole 220 of the gear unit 200 and performing a linear reciprocating motion according to the driving of the gear unit 200; Friction means such that the removable shaft 400 has a first through hole 510 to enter and exit the linear reciprocating motion on the other side and the removable shaft 400 moves to a predetermined resistance on the inner circumferential surface of the first through hole 510. A pair of supporting parts 500 formed at predetermined intervals with one side fixed to the ceiling and formed at 520; One side of the support part 500 is interposed and detachable means 610 is detached by the detachable shaft 400, and one side is coupled to the other side of the detachable means 610 to contact the pantograph of the passenger car with the tanker. And a chariot tee 620 having a wire fixing part 621 having a first insulating medium 637 coupled to an upper end of one side thereof, and coupled to the other side of the chariot tee 620 from the support part 500. When the detachable means 610 is separated, the detachable means 610 and the tramline t-bar 620 are rotatable on the other side of the tramline t-bar 620 so that the chariot t-bar 620 falls in a circle around the other side of the tramline t-bar 620. A detachable part 600 formed of a hanging means 630 coupled thereto; Automatic return part 700 consisting of a wire that is fixed to the wire fixing portion 621 of the tramline t-bar 620 and the second driving portion 100 'coupled to the other end of the wire to operate to unwind and wind the wire. ); And a controller 800 for controlling the first driving unit 100 and the automatic return unit 700. The automatic return unit 700 includes: a first pulley 710 formed on the ceiling; And a second pulley 720 formed below the ceiling, wherein the first pulley 710 and the second pulley 720 are unwinded of the wire when the second driving part 100 ′ is operated. It will aid in winding.

Although not shown in detail, the first pulley 710 and the second pulley 720 are installed to be retracted while receiving a predetermined resistance when descending, so as not to be retracted by the load of the detachable part 600. Preferably, the first pulley 710 and the second pulley 720 are released to the bonded position as the emergency door is released and the waterproof door is raised.

In addition, in the first driving unit 100, the first bevel gear 110 and the motor shaft 120 of the first driving unit 100 are connected to the universal joint 130. Here, the motor M of the first driving unit 100 is preferably a DC 90V 32W 150RPM motor with a large torque, and when the gear unit 200 rotates forward, the detachable shaft 400 reversely rotates. When one side is inserted into the fitting hole 220 of the gear part 200, the detaching means 610 of the detachable part 600, which is supported by the detachable shaft 400, is interposed in the pair of support parts 500. Will fall below this. That is, the detachable means 610 is supported by the detachable shaft 400 of the third through-hole 612 of the first plate 611 to be described later when the gear shaft 200 is rotated to the detachable shaft ( When the 400 is reversely rotated and separated from the support part 500, the detachable means 610 falls down. In addition, although not shown, when the detachable means 610 is separated from the support part 500, the limit switch operates to stop the motor M. When the first driving part 100 is driven again, the gear part rotates in reverse. 200 is reversely rotated, and the detachable shaft 400 is rotated forward while the other side of the detachable shaft 400 is coupled to the first through hole 510 of the support part 500. In other words, the bolt and nut are coupled and loosened.

Meanwhile, the universal joint 130 is a device that transmits power when the center lines of the main shaft and the driven shaft do not coincide with each other and are separated from each other at an angle or a parallel distance, and cancel the vibration when the motor shaft 120 rotates. To be transmitted to the first bevel gear 110. In addition, the inner circumferential surface of the fitting hole 220 of the gear part 200 has a spiral shape, and one side of the detachable shaft 400 coupled to the fitting hole 220 has a spiral shape corresponding thereto. According to the driving of the first driving unit 100, when the gear unit 200 rotates forward and backward, the detachable shaft 400 performs a linear reciprocating motion. In this case, the friction shaft 520 is provided on the inner circumferential surface of the first through hole 510 of the support part 500 so that the detachable shaft 400 smoothly performs the linear reciprocating motion according to the forward and reverse rotation of the gear part 200. By providing, the friction shaft 520 receives a predetermined resistance and the removable shaft 400 when the forward and reverse rotation of the gear unit 200 is a linear reciprocating motion. That is, without the friction means 520, since the removable shaft 400 does not operate smoothly due to a high idling occurrence rate, the friction means 520 is made of a material such as Teflon, and the use is made of the support part 500. The friction means 520 of the) is preferably manufactured and installed so that the removable shaft 400 can smoothly perform a linear reciprocating motion according to the forward and reverse rotation of the gear unit 200.

In addition, the chariot T-bar 620 of the detachable portion 600 is installed in parallel with the tramline, it is preferable to be curved or both ends to be smoothly in contact with the pantograph of the passenger car.

On the other hand, as shown in Figure 2, as shown in Figure 2, the second through-hole 310 is formed so that the gear portion 200 is inserted into the other side portion coupled to the gear portion 200, The second through hole 310 is coupled to the bearing (B) to assist the rotational movement of the gear unit 200, the fixing portion 300 serves to support the gear unit 200 to the ceiling The bearing B is coupled to the fixing part 300 of the second through-hole 310 to assist in smooth rotation during the rotational movement of the gear part 200.

In addition, the detachable means 610 of the detachable part 600, as shown in Figure 1 or 3 to 5, has a third through-hole 612 through which the removable shaft 400 enters and exits. A first plate 611 interposed in the support part 500 and supported by the detachable shaft 400; And a second insulating medium 613 on which one side is coupled to the other side of the first plate 611 and the other side is coupled to one side of the catenary t-bar 620, and the catenary t-bar 620 of the detachable part 600. On the other side of the tramline, the jump wire (JW) is connected between the tramline so as to prevent the occurrence of an arc by forming an equipotential on the tramline and the tramline t-bar 620 when passing the passenger car, it is preferably installed without interference on the pantograph, the detachment The hanging means 630 of the part 600 includes a third insulating medium 631, one side of which is fixed to the ceiling; A coupling pin 632 having one side coupled to the other side of the third insulating medium 631 and a first coupling hole 633 formed at the other side thereof; A second plate having a pair of second coupling holes 635 formed on the other side thereof to be coupled to the other side of the catenary t-bar 620 and having one side interposed between the first coupling holes 633 of the coupling pin 632. 634); And a rotation bar 636 rotatably coupled to the first coupling hole 633 of the coupling pin 632 and the second coupling hole 635 of the second plate 634. Here, the first, second, and third insulators 614, 631, and 637 are insulators that can withstand the high pressure applied to the tramline t-bar 620, and are insulators installed in the detachable means 610 and the hanging means 630. In addition, as shown in FIG. 5, the detachable part 600 falls inside the tunnel while drawing a circle around the pivoting bar 636 of the hanging means 630.

At this time, the second driving unit 100 ′ under the control of the control unit 800 gradually rotates to release the wire to operate the detachable unit 600 to fall slowly.

The wire is wound or unwound while being in contact with the first pulley 710 and the second pulley 720.

In addition, although not shown in detail, the second driving unit 100 ′ further includes a winding unit (not shown) interlocked with the second driving unit 100 ′ so that the wire is wound and unwound, and the winding unit (not shown). The wire is wound around and released.

After the emergency is released, the watertight door is lifted, and then the second driving unit 100 'is rotated forward, and the detachable part 600 is lifted by a wire and is automatically returned.

That is, the wire is wound while the second driving part 100 ′ rotates forward, and the wire is fixedly coupled to the wire fixing part 621 to lift the detachable part 600, and the first plate ( 611 is placed between the support part 500, and the detachable part 600 is automatically returned as the detachable shaft 400 is refastened.

5, the rest beam, the waterproof door, the second driving unit 100 ′, the positions of the first pulley 710 and the second pulley 720 are shown to interfere with each other. As shown, the installation so as not to interfere with each other during the actual installation.

Looking at the operating state of the automatic T-bar automatic detachment device according to the present invention having the configuration as described above are as follows.

First, as shown in Figure 5, look at the operating state of the peripheral devices, such as waterproof doors, rest beams, disconnectors (not shown) as a whole,

1) Monitor the inside of the tunnel with sensors and CCTV installed inside the tunnel (not shown).

2) An emergency alarm is generated when water enters the tunnel and reaches a dangerous level due to an accident or disaster.

3) Introduce the passenger cars entering the tunnel immediately outside the tunnel.

4) Take power cut measures.

5) Turn off the disconnector (not shown).

6) Before descending the watertight door, the inventors operate the automatic chariot tee bar automatic removal device, look at this in detail,

① The controller 800 is controlled to drive the first driving unit 100.

② The gear unit 200 rotates forward in accordance with the driving of the first driving unit 100.

③ One side of the detachable shaft 400 is inserted into the fitting hole of the gear unit 200 while reversely rotating.

④ The other side of the detachable shaft 400 is separated from the first through hole 510 of the support part 500.

⑤ A limit switch (not shown) is operated to stop the first driving unit 100.

⑥ When the detachable shaft 400 is separated from the third through hole 612 of the first plate 611 in the process of ④, the detachable means 610 falls down.

⑦ During the process of ⑥, the detachable part 600 falls in a tunnel inner direction by drawing a circle around the hanging means 630 of the detachable part 600. (At this time, the second driving part 100 ' The detachable part 600 is gradually dropped while the wire is released while rotating in reverse.)

7) Raise the waterproof door seated on the Rest Beam by controlling the control unit (which can be operated as a whole, or can operate the waterproof door, rest beam, and automatic demounting of the T-bar, respectively).

8) Remove the rest beam.

9) Seal the tunnel as the waterproof door descends.

10) When the emergency is over, lift the waterproof door together with the release alarm.

11) Return the rest beam.

12) Lower the waterproof door and seat it on the rest beam.

13) When the second driving part 100 ′ is rotated forward, the wire is wound and the detachable part 600 is lifted so that the first plate 611 and the third through hole 612 of the detachable means 610 are moved. The control unit 800 is interposed on the support part 500 to drive the first driving part 100 to insert the other side of the removable shaft 400 into the first through hole 510 of the support part 500.

14) When the detachable shaft 400 is inserted in the process of 13), a limit switch (not shown) operates to stop driving of the first driving unit 100.

15) Turn the disconnector (not shown) ON.

16) Supply electric power to the tank line.

17) Operate the carriage normally.

The present invention is an essential component of the mechanism consisting of a monitoring device, a waterproof door lift device, an automatic detachment of a vehicle line t-bar as in the above-described operating state, and it is indispensable when the waterproof door lift is installed at both ends of a passenger tunnel entrance of the bottom or the seabed. It is a device.

While the present invention has been illustrated and described with respect to preferred embodiments, the invention is not limited to the above-described embodiments, and is commonly used in the field of the invention without departing from the spirit of the invention as claimed in the claims. Anyone with a variety of variations will be possible.

1 is a schematic front view according to an embodiment of the automatic detachment apparatus for a catenary T-bar according to the present invention;

Figure 2 is a schematic partial front cross-sectional view according to an embodiment of the automatic chariot T-bar automatic removal device according to the present invention,

3 is a schematic left side view according to an embodiment of A of FIG. 1,

4 is a schematic left side view according to an embodiment of B of FIG. 1,

Figure 5 is a schematic use state diagram according to one embodiment of the automatic detachment of the front of the vehicle T-bar according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: first driving part

110: first bevel gear 120: motor shaft

130: universal joint

100 ': 2nd drive part

200: gear unit

210: second bevel gear 220: fitting hole

300: fixed part

310: second through hole

400: removable shaft

500: support

510: first through hole 520: friction means

600: removable part

610: removable means 611: first plate

612: third through hole 613: second insulating medium

620: T-bar 621: wire fixing

630: hanging means 631: third insulating medium

632: coupling pin 633: first coupling hole

634: second plate 635: second coupling hole

636: rotating bar 637: first insulating medium

700: automatic return unit

710: first pulley 720: second pulley

800: control unit

B: bearing

JW: Jump Wire

M: motor

Claims (7)

It is installed on the ceiling of both ends of the carriage tunnel entrance of the sea floor or the sea floor, and it is installed to prevent the tramline from interfering with the watertight door when the watertight door is lifted. A first driving part 100 having a motor shaft 120 to which the first bevel gear 110 is axially coupled; The gear part 200 having a second bevel gear 210 meshed vertically with the first bevel gear 110 of the first driving part 100 on one side, and the fitting hole 220 is formed at a predetermined depth inside the other side. ); A plurality of fixing parts 300, one side of which is fixed to the ceiling and the other side of which is coupled to the gear part 200 to support the gear part 200; A detachable shaft 400 having one side coupled to the fitting hole 220 of the gear unit 200 and performing a linear reciprocating motion according to the driving of the gear unit 200; Friction means such that the removable shaft 400 has a first through hole 510 to enter and exit the linear reciprocating motion on the other side and the removable shaft 400 moves to a predetermined resistance on the inner circumferential surface of the first through hole 510. A pair of supporting parts 500 formed at predetermined intervals with one side fixed to the ceiling and formed at 520; One side of the support part 500 is interposed and detachable means 610 is detached by the detachable shaft 400, and one side is coupled to the other side of the detachable means 610 to contact the pantograph of the passenger car with the tanker. And a chariot tee 620 having a wire fixing part 621 having a first insulating medium 637 coupled to an upper end of one side thereof, and coupled to the other side of the chariot tee 620 from the support part 500. When the detachable means 610 is separated, the detachable means 610 and the tramline t-bar 620 are rotatable on the other side of the tramline t-bar 620 so that the chariot t-bar 620 falls in a circle around the other side of the tramline t-bar 620. A detachable part 600 formed of a hanging means 630 coupled thereto; Automatic return part 700 consisting of a wire that is fixed to the wire fixing portion 621 of the tramline t-bar 620 and the second driving portion 100 'coupled to the other end of the wire to operate to unwind and wind the wire. ); And A controller 800 for controlling the first driving unit 100 and the automatic return unit 700; Catenary T-bar automatic removal device, characterized in that consisting of. According to claim 1, The automatic return unit 700, A first pulley 710 formed on the ceiling; And A second pulley 720 formed under the ceiling; Is equipped with more, The first pulley (710) and the second pulley (720) is a vehicle T-bar automatic detachment device, characterized in that to assist the unwinding and winding of the wire during the operation of the second driving unit (100 '). The method of claim 2, wherein the first driving unit 100, The first bevel gear 110 and the motor shaft 120 of the first driving unit 100 is connected to the universal joint 130, characterized in that the T-bar automatic detachment device. According to claim 3, The fixing part 300, A second through hole 310 is formed so that the gear part 200 is inserted into the other side portion which is coupled to the gear part 200, and the rotational movement of the gear part 200 is formed in the second through hole 310. T-bar automatic detaching device, characterized in that the bearing (B) to assist the coupling. According to claim 3, Desorption means 610 of the detachable portion 600, A first plate 611 having a third through hole 612 on which one side of the detachable shaft 400 enters and leaves the support unit 500 and is supported by the detachable shaft 400; And A second insulating medium 613 having one side coupled to the other side of the first plate 611 and the other side coupled to one side of the catenary t-bar 620; Tanker T-bar automatic removal device, characterized in that consisting of. According to any one of claims 1 to 5, On the other side of the chariot T-bar 620 of the detachable portion 600, When the passenger car passes through the tramline and the tramline T-bar 620, a jump wire (JW) is connected between the chariot lines to form an equipotential to prevent the arc is generated. According to any one of claims 1 to 5, Hanging means 630 of the detachable portion 600, A third insulating medium 631 having one side fixed to the ceiling; A coupling pin 632 having one side coupled to the other side of the third insulating medium 631 and a first coupling hole 633 formed at the other side thereof; A second plate having a pair of second coupling holes 635 formed on the other side thereof to be coupled to the other side of the catenary t-bar 620 and having one side interposed between the first coupling holes 633 of the coupling pin 632. 634); And A rotation bar 636 rotatably coupled to the first coupling hole 633 of the coupling pin 632 and the second coupling hole 635 of the second plate 634; Catenary T-bar automatic removal device, characterized in that consisting of.

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