JP5068210B2 - Protection device for electric coupler in railway vehicle - Google Patents

Description

  The present invention relates to a protection device for an electrical coupler in a railway vehicle.

  Conventionally, in a railroad, a plurality of railway vehicles are connected to form a knitting, and power supply is performed collectively in this one knitting. Depending on the schedule operation and the situation of vehicle deployment, there are cases where a plurality of trains are combined and traveled. Even when a plurality of trains are combined and traveled, power supply is performed in one train for each train. .

Therefore, when traveling with a plurality of such formations, a vehicle cable connection device for connecting a power cable is provided in advance in the leading vehicle of each formation, and these vehicle cable devices are connected to each other. It has been proposed to supply power from the one knitting to the other knitting by connecting a power cable of one knitting and a power cable of another knitting (see, for example, Patent Document 1).
Japanese Patent No. 3475098 (paragraphs 0023 to 0027 and FIG. 5)

  In the technique described in Patent Document 1, the connector portion is normally protected by a cover, but since the connection is performed with the cover open at the time of connection, the connector portion is protected by the cover immediately before connection. No state. In other words, if there is a foreign object near the connector during connection, there will be room for improvement in terms of safety, since the discharge will occur through the foreign object.

  Then, an object of this invention is to provide the protection device of the electrical coupler in a rail vehicle which can connect an electrical coupler, without exposing to an external space.

According to the first aspect of the present invention, the first and second mechanical couplers provided at the leading portion of each leading vehicle and connected to each other, and the leading portion of each leading vehicle for high-voltage power feeding between the leading vehicles And a first electrical connector and a second electrical connector connected to each other when the mechanical connector is connected. A first box and a second box that cover the periphery of the coupler and have a connecting opening on the front face; a closed position that covers the front face of each box so as to be opened and closed; The first and second shutter members that take an open position that is housed in and opens the opening, and the periphery of the opening of one of the first and second boxes following ligation of the attached first and second mechanical coupling, the first and second Body and insulating sealing material Ru filled between the respective shutter members, and first and second actuator for moving between said closed and open positions, the said respective box body is provided in each box member A third actuator and a fourth actuator are provided for moving the electrical couplers to connect the electrical couplers to each other. Here, the first to fourth actuators may be driven manually by an operator by a button operation or the like, or may be automatically driven in a predetermined order using a microcomputer. .

  According to this configuration, after the mechanical coupler is connected, first, the opening position where the shutter member opens the opening by the first and second actuators in a state where the space between the two boxes is filled with the insulating sealing material. After that, the electrical couplers are connected to each other by the third and fourth actuators, so that the electrical connectors are connected to each other in a state where the sealing around the electrical connectors is secured. Is called.

  In addition, since the periphery of the electrical coupler is covered with a box and the opening of the box is closed by the shutter member, it is possible to prevent dust from entering the box, that is, around the electrical coupler.

  According to a second aspect of the present invention, a fifth actuator that moves the other box of the two boxes forward and backward in the connecting direction, and a support means that supports the other box so as to be movable in the connecting direction. It can also be set as the structure which has.

  If it does in this way, since the other box body is brought close to the one box body by the fifth actuator, the interval between the box bodies sealed with the insulating sealing material is shortened, and the sealing performance is improved. Further, since the other box body is advanced and retracted while being supported by the support means, the box body is surely advanced and retracted.

According to a third aspect of the present invention, the shutter members are rotatably supported, and the electrical couplers are supported on first and second movable platforms that are movably supported in the boxes. The first and second actuators may be provided between the boxes and the shutter members, respectively.

  In this way, the shutter member can be opened and closed with a simple structure.

  According to a fourth aspect of the present invention, a space portion in which each shutter member is accommodated when each shutter member is in an open position may be provided in an upper portion of each box.

  If it does in this way, when a shutter member will be in an open position, it will be stored in the space part of the upper part in each box which has space.

  According to a fifth aspect of the present invention, each of the openings may be formed by a trumpet-shaped first and second cylindrical members.

  In this case, since the opening is formed of a trumpet-shaped cylindrical member, the electrical coupler is housed in a deep position, which is advantageous in protecting the invasion of dust and the like. Become.

  In the present invention, after the mechanical coupler is connected, first, the shutter member is moved to the open position where the opening is opened by the first and second actuators with the space between the two boxes filled with the insulating sealant. After that, the electrical couplers are connected to each other by the third and fourth actuators. Therefore, the electrical connectors are connected to each other in a state in which the sealing around the electrical connectors is secured. This is advantageous in terms of safety.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is an explanatory view showing an embodiment of a protection device for an electrical coupler in a railway vehicle according to the present invention, and shows a state where the coupler is coupled. 2 to 5 are a cross-sectional side view, a cross-sectional plan view, a front view and a cross-sectional front view, respectively, around the first extra-high connector, which is a first electrical coupler, and FIGS. 6 to 9 are second electrical connections, respectively. It is a cross-sectional side view, a cross-sectional plan view, a front view, and a cross-sectional front view around the second extra-high connector which is a container.

As shown in FIGS. 1 to 9, first and second mechanical couplers 1 </ b> A and 1 </ b> B are provided at the leading portions of the leading vehicles (not shown) connected to each other, and the first and second mechanical coupler 1A, the upper 1B, the said a top mechanical coupler 1A, first and second electrical connector to be connected to each other during the 1B connection for high pressure feeding between the vehicle 1 And 2nd extra high height connectors 2A and 2B are provided. Note that high-voltage (for example, 25000 V) cables C1 and C2 are connected to the rear ends (non-connecting side ends) of the first and second extra-high connectors 2A and 2B.

  The surroundings of the first and second extra-high connectors 2A and 2B are covered with extra-height combined boxes 3A and 3B which are first and second boxes. It is set as the structure which has opening part 3Aa for connection and 3Ba in the front-surface part of each special height combination box 3A, 3B. In addition, the special height combination boxes 3A and 3B are configured such that the upper box portions 3AB and 3BB are fitted and joined to the lower box portions 3AA and 3BA including the front surface portion from above.

  The front surfaces (openings 3Aa and 3Ba) of the extra-height box 3A and 3B are covered with first and second shutter members 4A and 4B so as to be opened and closed. Each shutter member 4A, 4B alternatively takes a closed position that closes the openings 3Aa, 3Ba and an open position that is housed in each of the extra-height combination boxes 3A, 3B and opens the openings. Has been.

  An annular insulating seal material 5 is attached to the entire front surface of the second special height combination box 3B and around the opening 3Ba. Therefore, in a state where the first and second special height combination boxes 3A and 3B are close to each other, the tip lip portion of the insulating seal material 5 is elastically bent, and is the front surface of the special height combination box 3A. 3Aa is elastically brought into contact with the periphery of the 3Aa, and the extra height box 3A, 3B is insulated and sealed. In this state, the surroundings of the two extra-high connectors 2A and 2B are hermetically sealed, and are electrically insulated and sealed, so that intrusion of dust and the like is avoided.

  The openings 3Aa and 3Ba are formed of trumpet-shaped cylindrical members 6A and 6B whose diameter decreases toward the inner side. Three engaging pins 7A, 7B, and 7C are provided on the front surface of the first special height combination box 3A and around the opening 3Aa for positioning at the time of connection. The second special height combination box 3B is provided with engagement holes 8A, 8B, 8C corresponding to the engagement pins 7A to 7C, respectively.

  The shutter members 4A and 4B include hollow lid-shaped shutter portions 4Aa and 4Ba that cover the openings 3Aa and 3Ba so as to be openable and closable, and a pair of arm portions 4Ab whose tip portions are connected to both sides of the shutter portions 4Aa and 4Ba. , 4Bb.

  In addition, space portions S1 and S2 that are accommodated when the shutter portions 4Aa and 4Ba of the shutter members 4A and 4B are in the open position are provided in the upper portions of the extra-high box 3A and 3B (see FIG. 2). (See FIG. 6). Therefore, in the open position, the shutter portions 4Aa and 4Ba are accommodated in the upper space portions S1 and S2 of the special height combination boxes 3A and 3B which are dead spaces.

The base end portions of the arm portions 4Ab and 4Bb of the shutter members 4A and 4B are rotatably supported inside the special height combination boxes 3A and 3B. Specifically, it is rotatably supported by the support bracket portions 3Ab and 3Bb protruding upward in the left and right side portions of the lower box portions 3AA and 3BA of the special height combination boxes 3A and 3B (for the support bracket 3Ab) (See FIG. 13).

  Then, air cylinders serving as first and second actuators for opening and closing the shutter members 4A and 4B between the bottom surface portions of the extra-high box 3A and 3B and the arm portions 4Ab and 4Bb of the shutter members 4A and 4B. 11A and 11B are provided. The air cylinders 11A and 11B have connecting members 12A and 12B at the distal ends of the piston rods 11Aa and 11Ba, and the connecting members 12A and 12B are fixed to the vicinity of the base ends of the arm portions 4Ab and 4Bb. It is rotatably connected to 4Ac and 4Bc. After the mechanical couplers 1A and 1B are connected, the shutter members 4A and 4B open the openings 3Aa and 3Ba in a state where the space between the two extra-height boxes 3A and 3B is filled with the insulating sealing material 5. Even when the openings 3Aa and 3Ba are opened, the space between the two special height combination boxes 3A and 3B is filled with the insulating sealing material 5, so that the internal space of the two special height combination boxes 3A and 3B is external. It is cut off from the space.

The first extra-high box 3A is supported by a plurality of free bearings 13 ( for example, manufactured by Atec Co., Ltd.) that are movably supported in the direction of connection with the second extra-high box 3B. An engaging member 16 is provided on the bottom surface so as to be movably engaged with the engaging member 15 on the base 14. The first special height combination box 3A is configured to be advanced and retracted by an air cylinder 17 as a fifth actuator in a direction to be connected to the second special height combination box 3B. Here, the reason why the free bearing 13 is used is to support the displacement in the X, Y and Z directions so as to be displaceable in the X, Y and Z directions during connection.

The extra-high connectors 2A and 2B are air-driven first and second rodless cylinders 18A and 18B (third and fourth actuators, which are movably supported in the extra-height box 3A and 3B. for example the movable portion 18Aa of the solar Tekko Co., Ltd.), carriage 19A on 18Ba, supported on 19B, extra-high voltage component併箱3A, extra-high voltage connector 2A in the 3B, 2B is extra-high voltage component併箱3A, 3B To move. Then, after the shutter members 4A and 4B are opened, the extra-high connectors 2A and 2B are moved and connected to each other by the rodless cylinders 18A and 18B.

  Subsequently, the operation of the apparatus will be described.

(Mechanical coupling)
First, by the leading vehicle to each other approaches, machine 械連 binding device 1A, 1B, as shown in FIG. 10, they are connected to each other. In this state, there is a gap between the front surfaces of the special height sorting boxes 3A and 3B, and the tip lip portion of the insulating seal material 5 on the second special height sorting box 3B side is the first special height sorting box. There is no elastic contact with the front surface of the box 3A.

(Consolidation of extra high box)
Machine 械連 forming unit 1A, after 1B connecting the first extra-high voltage component併箱3A is, X by free bearings 13, while being displaceably supported in Y and Z directions, the second by driving the air cylinder 17 It is moved in the direction of connection with the extra high-altitude box 3B. As a result, as shown in FIG. 11, the lip tip of the insulating sealing material 5 comes into elastic contact with the front surface of the first extra-height box 3A. Further, the double boxes 3A and 3B are positioned by the engagement relationship between the engagement pins 7A to 7C and the engagement holes 8A, 8B, and 8C.

(Branch box shutter open)
Then, as shown in FIG. 12, the shutter members 4A and 4B are rotated from the closed position to the open position by driving the air cylinders 11A and 11B, and the openings 3Aa and 3Ba are opened. In this state, the surroundings of the two extra-high connectors 2A and 2B are hermetically sealed including the space between the two boxes 3A and 3B, and are electrically insulated and sealed to prevent entry of dust and the like.

(Extra high connector connection)
The movable portions 18Aa and 18Ba are moved by driving the rodless cylinders 18A and 18B. Thereby, the extra high height connectors 2A and 2B move so as to approach each other and are electrically connected as shown in FIG. This connecting operation is performed in a state in which the surroundings are covered and sealed with the extra-height box 3A, 3B and the insulating seal material 5.

  The embodiment described above can be modified as follows.

(i) In the above-described embodiment, after the mechanical couplers 1A and 1B are connected, the first special height combination box 3A is moved so that the insulating seal material 5 is the first special height combination box 3A . The front surface is elastically contacted to fill the gaps between the two special height dividing boxes 3A and 3B. Of course, both the special height dividing boxes may be moved, but the mechanical couplers 1A and 1B In a connected state, it is also possible to configure so that the insulating sealing material provided in one of the special height combination boxes elastically contacts the front surface of the other special height division box.

(ii) In the above-described embodiment, the present invention is applied to a high-speed railway vehicle (Shinkansen (registered trademark) ) in which extra high connectors 2A, 2B (extra high connectors) are provided above the mechanical couplers 1A, 1B. However, the present invention is not limited thereto, and can be applied to a normal vehicle (conventional line), and an extra high height connector can be provided at a position other than the upper side of the mechanical coupler.

BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing which shows one Embodiment of the protection device of the electrical coupler in the rail vehicle which concerns on this invention, and shows the state with which the coupler was connected. It is a section side view around the 1st extra high height connector which is the 1st electric coupler. FIG. It is the same front view. It is the same sectional front view. It is a section side view around the 2nd extra high connector which is the 2nd electric coupler. FIG. It is the same front view. It is the same sectional front view. It is explanatory drawing similar to FIG. 1 which shows the state with which the 1st and 2nd mechanical coupler was connected. It is explanatory drawing similar to FIG. 1 which shows the state with which the 1st and 2nd special height combination box was connected . It is explanatory drawing similar to FIG. 1 which shows the state by which the shutter member of the 1st and 2nd extra height box was opened . It is a side view of the lower box part which constitutes the 1st special height combination box.

Explanation of symbols

1A, 1B mechanical coupler 2A, 2B extra high connector 3A, 3B extra high box (box)
3Aa, 3Ba Opening 4A, 4B Shutter member 5 Insulating seal material 11A, 11B Air cylinder (first and second actuators)
17 Air cylinder (5th actuator)
18A, 18B Rodless cylinder (third and fourth actuators)

Claims (5)

First and second mechanical couplers provided at the leading portion of each leading vehicle and connected to each other, and the mechanical couplers disposed at the leading portion of each leading vehicle for high-voltage power feeding between the leading vehicles A protection device for an electrical coupler in a railway vehicle, comprising first and second electrical couplers coupled to each other at the time of coupling,
First and second boxes covering the periphery of the first and second electrical couplers and having connection openings on the front surface;
First and second shutters that cover the front of each box so as to be openable and closable and selectively take a closed position that closes the opening and an open position that is housed in each box and opens the opening. Members,
After the first and second mechanical couplers are connected to each other around the opening of one of the first and second boxes, and between the first and second boxes. and an insulating sealing material Ru fill,
First and second actuators for moving each shutter member between the closed position and the open position;
Electricity in a railway vehicle comprising: a third and a fourth actuator provided in each box for moving each electrical connector relative to each box to connect the two electrical connectors to each other. Coupling protector.   2. A fifth actuator for moving the other box of the two boxes forward and backward in the connecting direction, and a support means for supporting the other box so as to be movable in the connecting direction. The protective device of the electrical coupler in the described railway vehicle. Each shutter member is rotatably supported,
Each of the electrical couplers is supported on first and second movable platforms that are movably supported in the boxes,
The apparatus for protecting an electrical connector in a railway vehicle according to claim 1 or 2, wherein the first and second actuators are respectively provided between the boxes and the shutter members.   The space part in which each said shutter member is accommodated when each said shutter member exists in an open position is provided in the upper part in each said box, The Claim 1 characterized by the above-mentioned. Protection device for electrical couplers in railway vehicles.   5. The protection device for an electrical connector in a railway vehicle according to claim 1, wherein each of the openings is formed of a trumpet-shaped first and second cylindrical members.

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