KR101185108B1

KR101185108B1 - Rail vehicle

Info

Publication number: KR101185108B1
Application number: KR20100071787A
Authority: KR
Inventors: 유키오 노다; 아츠시 마츠오카
Original assignee: 가부시키가이샤 히타치세이사쿠쇼
Priority date: 2009-12-16
Filing date: 2010-07-26
Publication date: 2012-09-21
Also published as: JP2011126355A; BRPI1002442A2; JP5227298B2; BRPI1002442B1; KR20110068811A

Abstract

Provided is a rail vehicle having a check cover to ensure airtightness of the check cover in case of fire.
In the underframe 30 of the rail vehicle, the inspection cover 100 is provided so as to be openable and closed in order to inspect the equipment provided in the underfloor equipment chamber provided below the underframe 30. In the closed state with respect to the underframe 30 of the inspection cover 100, the peripheral edge portion of the inspection cover 100 facing the inspection cover support 40 of the underframe 30, the peripheral edge of the inspection cover 100. Between the part and the inspection lid support 40, an expansion material 190 is provided which expands when it reaches a predetermined temperature or more. The inspection cover 100 does not require an expansion body to which wiring is connected, or a control device connected to these wirings, and it is possible to easily ensure the airtightness of the inspection cover to prevent intrusion of toxic gas or the like into the vehicle. The expansion material 190 is applicable to the inspection cover provided in the partition wall which comprises the equipment room provided in the cabin of a railway vehicle.

Description

Rail vehicle {RAIL VEHICLE}

The present invention relates to a rail vehicle having a cabin and an inspection cover provided at a portion that blocks an area under the floor or an area in which equipment such as an equipment compartment is installed.

Conventionally, in a rail vehicle, an inspection cover is provided on the bottom of a rail vehicle to inspect an apparatus provided under the floor of a cabin, or an inspection for inspecting the apparatus is provided on a wall of an equipment compartment provided in a cabin of a rail vehicle. A window is provided.

A fire door is proposed to block the gap so that no toxic gas or the like caused by a fire generated from the device or its surroundings passes and infiltrate, and to ensure airtightness at the time of closing (see Patent Document 1). According to this, the heat-expanded body incorporating a heat generating resistor is provided on the opposing surface of the fire door which is formed open and close freely and is closed by the opposing operation, and when the fire detector determines that the fire is a fire, The expansion of the heating expands to close the gaps on the opposite sides of the fire door, preventing the smoke and toxic gases from the fire from spreading into the building.

The technology for preventing the spread of smoke and toxic gases caused by the above-mentioned fires is to install a heating expansion body having a heat generating resistor on the opposite surface of the fire door, and wiring for supplying electricity is connected to the heat generating resistor. At the same time, a control unit or the like is further connected to this wiring. When the control section judges that the fire is fired, the fire door is closed before the fire reaches the fire door, and the heating expansion body provided on the opposite surface of the fire door is expanded to close the gap between the doors. The airtightness is ensured by closing the gap due to the expansion of the heating expansion body, and the carbon monoxide and halogen-based toxic gases caused by the fire are prevented from being diffused into the building.

However, the above technique requires not only the heating expansion body to have a heat generating resistor, but also a wiring for supplying electricity to the heat generating resistor and a control unit connected to the wiring. For this reason, the number of construction processes and cost, such as the operation of providing a heating resistor in the heating expansion body provided in the opening / closing fire door, the wiring connected to the heating expansion body, and the installation of a control device connected to the wiring to determine the presence of fire. There was a fear of this.

[Patent Document 1]

Japanese Patent Application Laid-Open No. 2003-207046

Therefore, the problem that needs to be improved is that the inspection cover provided on the floor or the wall blocking the device and the cabin can be easily provided with airtightness to prevent the toxic gas from entering the cabin when a fire caused by the device occurs. There is.

An object of the present invention is to increase the airtightness of the inspection cover provided by the rail vehicle, without requiring the wiring connected to the expansion body provided in the inspection cover and the control device connected to these wirings. The present invention provides a rail vehicle provided with a check cover that can secure airtightness.

In order to achieve the object of the present invention, a rail vehicle according to the present invention comprises a room and an equipment room, the rail vehicle having an inspection cover on a partition wall that intersects the equipment room and the room, wherein the inspection cover is provided on the partition wall. An expansion material is provided between the circumferential edge portion of the inspection cover and the partition wall facing each other in the closed state to expand when the temperature reaches a predetermined temperature or more.

In addition, in the rail vehicle according to the present invention, an end structure is placed upright at both ends in the longitudinal direction of the underframe, and side structures are mounted upright at both ends in the width direction of the underframe. And a rail vehicle in which a roof structure is mounted at an upper end of the side structure, and a cabin is formed therein, wherein an equipment room is provided at the bottom of the underframe, and at the same time, the equipment inside the equipment room can be inspected by the cabin side. When the inspection cover is rotatably supported by the underframe, and the inspection cover is closed, when the inspection cover is closed between the peripheral edge of the inspection cover facing the underframe and the underframe, a predetermined temperature or more is achieved. It is characterized by including the expansion material which expands in volume.

According to this rail vehicle, since the inspection cover is provided with an expansion material that freely accumulates and expands above a predetermined temperature due to heat during a fire, airtightness to the partition or underframe of the inspection cover can be easily ensured, and toxic gas and the like are carried in the vehicle. To prevent intrusion.

In this rail vehicle, the expansion member can be provided at the peripheral edge portion of the inspection cover. Moreover, a heat insulating material and a sound absorption material are provided in the said inspection cover, the said sound absorption material can be hold | maintained by a protection plate, and the said sound absorption material and the said protection plate can be provided in the said equipment room side of the said inspection cover. The inspection cover has a frame and a fireproof coating plate provided on the machine room side of the frame. The insulating cover is provided between the frame and the fireproof coating plate, and the sound absorbing material and the protective plate are fireproof coating. It can be provided in the said apparatus room side of a board | plate.
In addition, the rail vehicle according to the present invention is a rail vehicle having a cabin and an equipment room, and provided with a check cover on a partition wall that intersects the device room and the room. An expansion material is provided between the circumferential edge of the inspection cover and the partition wall to expand when it reaches a predetermined temperature or more, and the inspection cover includes a frame provided on the cabin side and a fireproof paint plate provided on the equipment room side. And a heat insulating material provided between the frame and the fire resistant paint plate, and the sound absorbing material held by the protective plate is provided on the machine room side of the fire resistant paint plate forming the inspection cover.

According to the rail vehicle according to the present invention, since the inspection cover is provided with a heat-expandable seal rubber that freely expands due to heat in the event of a fire, the heat-expandable seal rubber, which is an overheated expansion body, is provided with a heat-resistant resistor and Without providing the wiring connected to the heat generating resistor and the control unit connected to the wiring, it is possible to easily secure the airtightness of the inspection cover and to prevent toxic gas and the like from entering the vehicle.

1 is a side view of a rail vehicle,
FIG. 2 is an AA sectional view of the rail vehicle shown in FIG. 1; FIG.
3 is a plan view of the inspection cover (part B) provided at the bottom of the rail vehicle shown in FIG. 2;
4 is a DD sectional view of the inspection cover shown in FIG. 3;
5 is an EE cross section of the inspection cover shown in FIG. 3;
FIG. 6 is an EE cross section at the time of fire of the inspection cover shown in FIG. 3;
7 is a cross-sectional view of a railway vehicle having an appliance room installed in a cabin.

EMBODIMENT OF THE INVENTION Hereinafter, based on an accompanying drawing, the Example of the rail vehicle by this invention is described.

FIG. 1: is a side view of the over seat type | mold monorail vehicle 1 (henceforth monorail vehicle 1) which is taken as an example of a rail vehicle. A rail vehicle is a vehicle which is guided and run on an installed track, and is a railway vehicle, a streetcar, a monorail vehicle, or a vehicle for a new traffic system. In the present invention, as an example of a rail vehicle, an example of an oversized monorail vehicle 1 is used. To illustrate the present invention.

The monorail vehicle 1 shown in FIG. 1 is connected by three vehicles (three-car knitting), and runs on the rail girder 2 which was attached. The monorail vehicle 1 is provided at both ends in the longitudinal direction of the vehicle with respect to the rail girder 2 and is supported by a bogie (not shown) that travels on the rail girder 2. An air conditioner 4 is provided on the roof of the monorail vehicle 1. The trolley | bogie of the monorail vehicle 1 and the various apparatuses provided under the bottom of the monorail vehicle 1 are covered by the skirt 3 provided with the form connected to the side structure 20 demonstrated later.

FIG. 2 is a cross-sectional view A-A of the monorail vehicle shown in FIG. 1. FIG. The monorail vehicle 1 includes side structures 20 and 20 at both ends in the width direction of the underframe 30, and has end structures (not shown) at both ends in the longitudinal direction. It is comprised by mounting the roof structure 10 on the upper end part of 20 and 20 and an end structure.

The bottom of the underframe 30 is provided with a bottom equipment compartment C on which the bottom equipment (not shown), such as a peripheral ventilation, a transformer, an auxiliary power supply, is mounted, is covered by the skirt 3. A bottom is formed on the upper surface of the underframe 30, and the underframe 30 and the bottom are cut out on the underframe 30 and the bottom so that the equipments in the equipment compartment C under the floor can be inspected. The inspection cover base 40 (refer FIG. 5, FIG. 6) provided by vibrating and the inspection cover 100 which fits into this inspection cover base 40 are provided. The part B represents the periphery of the inspection lid 100 provided in the bottom part of the rail vehicle 1.

FIG. 3: is a top view which looked at the periphery B part of the inspection cover shown in FIG. 2 from the guest room side. The inspection cover 100 is rotatably supported by the underframe 30 (floor) via the hinges 130 and 130, and the inspection cover 100 can be opened to the cabin side with the hinge 130 as a support point. It is configured to. In addition, the inspection cover 100 is provided with a handle 110 and a key 120. Handle 110 is a structure that can be installed only when opening and closing the inspection cover 100, when not opening and closing the inspection cover 100, is put in the form that does not protrude toward the room side on the upper surface of the inspection cover 100. .

4 is a cross-sectional view taken along the line D-D of the inspection lid shown in FIG. 3. The inspection cover 100 is configured by connecting the frame 140 disposed on the surface (upper surface) of the cabin side and the fireproof coating plate 160 disposed on the surface (lower surface) of the equipment room side with the supporting member 145. The heat insulator 150 is loaded in the hollow portion formed therein. The fireproof coating plate 160 is provided to prevent the heat generated by the fire from flowing into the vehicle from the machine room C under the floor, and is a stainless steel plate having a high melting point and excellent heat resistance (about 5 mm thick). The heat-resistant paint is apply | coated on both surfaces about 2 mm in thickness. Since the heat-resistant coating plate 160 is provided on the side of the bottom cover of the inspection chamber 100, the inspection cover 100 is exposed even if the inspection cover 100 is exposed to a flame generated in the bottom of the inspection chamber 100. 100 does not burn down easily.

The heat insulator 150 is made of carbon fiber, and prevents heat from being transferred from the fireproof coating plate 160 to the frame 140, and at the same time, the temperature inside the vehicle easily rises in the event of a fire in the equipment compartment C under the floor. Prevent it. And the plate-shaped sound absorption material 170 is hold | maintained by the protection plate 180 on the surface of the fire resistant coating board 160 on the side of the bottom chamber chamber C side. The sound absorbing material 170 is made of glass wool, urethane, or the like, and is provided to absorb noise generated from a device installed in the device chamber C under the floor. In order not to impair the sound absorption performance of the sound absorption material 170, the protection plate 180 which consists of a punching plate which has a predetermined opening ratio protects the surface of the sound absorption material 170. As shown in FIG.

When the inspection lid 100 is closed, a heating expander 190 such as a thermally expandable seal rubber is provided at the peripheral edge portion of the inspection lid 100 opposite the inspection lid support 40 provided in the underframe 30. It is provided. The function of the heating expander 190 is described in detail later.

FIG. 5: is E-E sectional drawing of the inspection lid shown in FIG. The inspection cover 100 shown in FIG. 5 is mounted on the inspection cover base 40 provided in the underframe 30, and shows the closed state. In the inspection cover 100 in the closed state, between the circumferential edge portion of the heat-resistant coating plate 160 constituting the inspection cover 100 and the inspection cover base 40 of the underframe 30, the heat-resistant coating plate ( There is a heating expander 190 provided in the peripheral edge of the 160. The inner circumferential side of the heating expandable member 190 is placed between the lower surface of the protective plate 180 that protects the sound absorbing material 170 and the inspection lid support 40.

The tip end of the lock 120 provided in the inspection cover 100 is inserted into and fixed to the key hole 35 provided in the inspection cover support 40. Although not shown, by rotating the key inserted from the lock 120 provided on the inside surface of the inspection cover 100, the lock 120 rotates in the horizontal plane, and its tip is attached to the underframe 30. It constitutes the configuration that is inserted into the key hole 35 provided in the inspection cover support 40 to be.

FIG. 6: is E-E sectional drawing (FIG. 3) of the inspection cover at the time of a fire which occurred in the floor apparatus room C. FIG. The inspection cover 100 and the underframe 30 are heated by the fire generated in the equipment chamber C under the floor. For this reason, the heat-expanded material 190 positioned between the inspection lid 100 and the inspection lid support 40 (underframe 30) is transferred from the inspection lid 100 and the inspection lid support 40 to heat transfer (heat conduction). By heating by), when it is heated above predetermined temperature (for example, 120-150 degreeC), it expands in volume about 4 times.

At this time, if there is a gap between the lock 120 provided in the inspection cover 100 and the key hole 35 provided in the underframe 30, as shown in FIG. 6, the expansion of the heating expander 190 is expanded. By this, the inspection cover 100 is pushed up until the lock 120 abuts on the upper portion of the key hole 35. In this process, the gap generated between the inspection cover 100 and the inspection cover support 40 provided in the underframe 30 is closed by the expanded heating expander 190, and the poison caused by the fire is closed. Gas can be prevented from entering the cabin from the underfloor appliance room (C).

Since the heating expander 190 accumulates and expands on its own when it is overheated at a predetermined temperature or more, it is not necessary to provide a heating element and wiring for supplying electricity to the heating expansion element. For this reason, when a fire breaks out in an equipment room under the floor in a simple structure and a minimum design process, intrusion of the toxic gas etc. which a fire occurs in a guest room can be suppressed.

Moreover, in the above-mentioned embodiment, it relates to the inspection cover provided in the underframe 30 so that the underfloor apparatus provided in the underframe 30 can be inspected from a guest room side, As shown in FIG. The above-described structure may be provided in the inspection cover 100 provided in the partition wall 50 which comprises the equipment room 5 provided in the cabin of the vehicle 1. By such a structure, it can suppress that the toxic gas etc. which originate in the fire which generate | occur | produce in the equipment room 5 spread in the guest room.

In addition, in the above-mentioned embodiment, although the heating expansion material 190 was demonstrated as being provided in the inspection cover 190, it is not limited to this, The underframe in which the circumferential edge part of the inspection cover 190 opposes in the state closed. It is clear that you may provide in the opening part side of 30, or both sides if possible.

1: Monorail vehicle (over seat type) 2: Track girders
3: skirt 4: air conditioner
5: appliance room 10: roof structure
20: side structure 30: underframe
35: keyhole 40: check cover base
50: partition wall 100: inspection cover
110: handle 120: lock
130: hinge 140: frame
145: support member member 150: heat insulating material
160: fireproof paint plate 170: sound-absorbing material
180: protecting plate 190: heating expansion material

Claims

In a rail vehicle having a guest room and an equipment room, and provided with a check cover on a partition wall between the equipment room and the room,
An expansion material is provided between the peripheral edge portion of the inspection cover and the partition wall facing each other in the closed state with respect to the partition wall to expand when the inspection cover is above a predetermined temperature.
The inspection cover has a frame provided on the cabin side, a fireproof paint plate provided on the machine room side, and a heat insulating material provided between the frame and the fireproof paint plate,
A sound absorbing material held by a protective plate is provided on the machine room side of the fire resistant paint plate forming the inspection cover.

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