CN106428078A - Emergency evacuation device for intercity-city train - Google Patents

Abstract

The invention relates to an emergency evacuation device for an intercity vehicle, comprising a door body and a ramp, the door body is composed of a door frame and a door panel, the door frame is fixed on the car body frame, and the door panel and the door frame can be rotated connection, a locking mechanism including at least five locking points is provided between the door panel and the door frame, and a ring-shaped first sealing ring arranged along the circumference of the door panel is provided between the door body and the door panel. A double-channel sealing structure composed of a strip and a second sealing strip. The invention enables the emergency evacuation device to be safe and reliable when the vehicle runs at a distance of 140 kilometers, and no abnormal conditions such as broken rings occur, so that the device has safe and reliable bearing capacity, locking safety and air tightness, and further meets the requirements of 140 kilometers. high-speed operation requirements.

Description

An emergency evacuation device for intercity vehicles

technical field

The invention relates to an intercity vehicle, in particular to an emergency evacuation device installed on the intercity vehicle, and belongs to the technical field of rail vehicle manufacturing.

Background technique

Emergency evacuation devices are generally installed at the front of the driver's cab of intercity vehicles such as subways, because most of the subway operating lines are viaducts and tunnels. The evacuation device enables passengers to evacuate from the front of the vehicle to the ground.

The emergency evacuation device is generally composed of two parts: a door body that can be opened upwards or to both sides and a ramp that can be spread downwards. An integrated downward evacuation device can also be used. Under normal operating conditions, emergency evacuation devices are not in use and are locked. When emergency situations such as fire and breakdown occur in urban rail vehicles in viaducts and tunnels, the emergency evacuation device can be manually opened for emergency evacuation of people in the vehicle.

In order to meet the requirements of the rapid development of the domestic regional economy and the rise of urban agglomerations for intercity rail transit, higher-speed (140 kilometers per hour) intercity trains suitable for urban to suburban areas are emerging, which require both high-speed EMUs to sustain The ability to run at high speed must also have the ability to start and stop like a subway. The operating routes of intercity vehicles are also viaducts, underground tunnels, etc. Therefore, in order to ensure the safety of passenger evacuation in emergency situations, intercity vehicles also need to be equipped with emergency evacuation devices on the front.

Existing subway vehicles run at a speed of about 80-120 kilometers per hour, and when the vehicle runs at 140 kilometers, the evacuation device of the head car needs to bear greater pressure, and the evacuation device of the tail car needs to withstand greater tension, especially When the vehicle runs through the tunnel and intersection, a large aerodynamic load will be generated in an instant. Due to the increase in operating speed, the load-bearing capacity, locking safety and airtightness of the emergency evacuation door at the front of the driver's cab are all higher. Require. Therefore, it is necessary to design a brand-new emergency evacuation device for the front of the vehicle, not only to meet the evacuation of the occupants in emergency situations, but more importantly, to solve a series of technical difficulties such as how to improve the load bearing capacity, locking safety and air tightness, etc. It is suitable for the high-speed operation of 140km intercity vehicles.

Contents of the invention

The main purpose of the present invention is to solve the above-mentioned problems and deficiencies, and provide an emergency evacuation device for intercity vehicles that can improve load bearing capacity, locking safety and airtightness, and further meet the requirements for 140-kilometer high-speed operation.

For realizing the above object, technical scheme of the present invention is:

An emergency evacuation device for an intercity vehicle, comprising a door body and a ramp, the door body is composed of a door frame and a door panel, the door frame is fixed on the car body frame, the door panel and the door frame are rotatably connected, A locking mechanism including at least five locking points is provided between the door panel and the door frame, and an annular first sealing strip and a second ring-shaped sealing strip arranged along the circumference of the door panel are provided between the door frame and the door panel. Double-channel sealing structure composed of sealing strips.

Further, the door panel is an upturned structure, the top edge of the door panel is connected to the door frame through a hinge, and gas springs for supporting the door panel are respectively installed on both sides of the door frame, and the gas spring The other end is fixedly connected with the door panel.

Further, the locking mechanism is composed of at least five locking points, an unlocking mechanism, four fixed pulleys and a steel wire rope, the four fixed pulleys are respectively installed at the four corners of the door panel, and the steel wire rope All locking points and unlocking mechanisms are connected in series around the four fixed pulleys.

Further, six locking points are arranged between the door panel and the door frame, and three locking points are arranged on both sides of the door frame.

Further, the locking point is composed of a locking hook and a locking bar, the locking bar is fixed on the door frame, the locking bar is stuck in the locking hook to realize locking, and the locking hook is connected with a wire rope And it can be unlocked or locked with the movement of the wire rope.

Further, the door panel is composed of FRP and an aluminum frame, the FRP is pasted on the aluminum frame, and a transparent glass window is arranged on the door panel.

Further, the transparent glass window is glued and fixed on the framework of the aluminum profile.

Further, the door frame is an aluminum profile frame, and the door frame is glued and fixed on the frame of the vehicle body.

Further, the first sealing strip is an inflatable sealing strip, which is composed of an inflatable part and a fixed part. The fixed part is plugged and fixed on the door frame. When the door panel is in a locked state, the inflatable part is pressed to achieve sealing. .

Further, the second sealing strip is composed of an installation part and an overlapping part extending outside the door panel, the installation part is plugged and fixed on the door panel, and the overlapping part overlaps the door panel when the door panel is closed. Sealing is achieved on the door frame.

In summary, an emergency evacuation device for intercity vehicles according to the present invention has the following advantages compared with the prior art:

(1) Due to the multi-point locking and double-channel sealing structure adopted in the present invention, when the vehicle is running at 140 kilometers, the emergency evacuation device can ensure safety and reliability, and no abnormal conditions such as damage to the ring occur, so that the device has a safe and reliable carrying capacity.

(2) The multi-point locking mechanism in the present invention can unlock or lock multiple locks through only one unlocking mechanism. The requirements for rapid evacuation in emergency situations, while meeting the requirements for safe locking and vehicle airtightness under normal operating conditions.

(3) Due to the multi-point locking and double-channel sealing structure adopted in the present invention, the compression amount of the sealing strip around the door panel is guaranteed to be uniform, which not only improves the sound insulation and heat insulation performance of the door body, but also effectively ensures the airtightness of the compartment. Performance requirements, improve the comfort of the vehicle ride.

(4) The door panel of the present invention adopts the structure made of aluminum profile skeleton and glass fiber reinforced plastic paste, under the premise of ensuring the structural strength of the door panel, the weight of the door panel can be greatly reduced, and it is beneficial to the shape of the door panel, so that the door panel and the driver's cab shell can be guaranteed Consistency of shape, improved processing technology of door panels, and more conducive to reducing resistance when the vehicle is running.

Description of drawings

Fig. 1 is a schematic structural view of the emergency evacuation device of the present invention in a closed state;

Fig. 2 is a schematic structural view of the emergency evacuation device of the present invention in an open state;

Fig. 3 is a schematic diagram of the structure of the door body of the present invention;

Fig. 4 is a structural schematic diagram of the locking mechanism of the present invention;

Fig. 5 is a schematic diagram of the double-channel sealing structure of the present invention.

As shown in Figures 1 to 5, door body 1, ramp 2, door frame 3, door panel 4, glass steel 4a, aluminum frame 4b, transparent glass window 4c, car body frame 5, hinge 6, gas spring 7, lock Mechanism 8, locking point 9, unlocking mechanism 10, fixed pulley 11, wire rope 12, locking hook 13, locking lever 14, connecting seat 15, unlocking handle 16, mounting seat 17, fan-shaped rotating part 18, decorative cover plate 19, the first A sealing strip 20, an inflatable part 20a, a fixing part 20b, a second sealing strip 21, a mounting part 21a, an overlapping part 21b, a pulley mounting seat 22, a limiting plate 23, a mounting plate 24, and a positioning pin 25.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in FIGS. 1 and 2 , an emergency evacuation device for intercity vehicles includes a door body 1 and a ramp 2 . Wherein, the ramp 2 is a collapsible structure. During normal operation, the ramp 2 is installed in the cab in a folded state, and is only unfolded when emergency evacuation is required for passengers to get off from the ramp 2 for evacuation.

Door body 1 is made up of door frame 3 and door panel 4, and door frame 3 is fixed on the car body frame 5 of driver's cab front end, and is rotatably connected between door panel 4 and door frame 3. In this embodiment, it is preferable that the door panel 4 adopts an upturned structure, the top edge of the door panel 4 is connected with the top edge of the door frame 3 by at least two hinges 6, and a gas spring is respectively installed on both sides of the door frame 3 7. The other end of the gas spring 7 is fixedly connected to the door panel 4. When the door panel 4 is turned upside down and opened, the two gas springs 7 are used to effectively support the door panel 4 to ensure that the door panel 4 always maintains a certain opening angle when it is in the open state, and then Ensure the safe and smooth evacuation of passengers.

In this embodiment, as shown in Figure 5, the door frame 3 is integrally made of aluminum profiles, and is fixed on the car body frame 5 with glue. A plurality of connecting bolts (not marked in the figure).

As shown in Figure 1 and Figure 3, the door panel 4 is made up of glass steel 4a, aluminum profile frame 4b and transparent glass window 4c, glass fiber reinforced plastics 4a is pasted on the aluminum profile frame 4b, glue is used between transparent glass window 4c and aluminum profile frame 4b Adhesive fixed transparent glass window 4c is positioned at the top of door panel 4 and corresponds to the windshield on the driver's cab shell, guarantees that the driver's field of vision is not affected. The door panel 4 adopts the structure made of aluminum profile skeleton 4b and glass fiber reinforced plastics 4a. Under the premise of ensuring the structural strength of the door panel 4, the weight of the door panel 4 can be greatly reduced, and it is beneficial to the shape of the door panel 4, so that the gap between the door panel 4 and the driver's cab shell The consistency of the shape is ensured, the processing technology of the door panel 4 is improved, and it is also more conducive to reducing the resistance when the vehicle is running.

As shown in Figure 3, a locking mechanism 8 including at least five locking points 9 is provided between the door panel 4 and the door frame 3. In this embodiment, six locking points are preferably arranged between the door panel 4 and the door frame 3. Point 9, three locking points 9 are respectively arranged on both sides of the door frame 3, and the three locking points 9 on each side are set on the upper, middle and lower positions, and the six locking points 9 ensure that the door panel has four circles The locking force is uniform.

As shown in FIG. 4 , the locking mechanism 8 is composed of six locking points 9 , an unlocking mechanism 10 , four fixed pulleys 11 and a wire rope 12 . Wherein, four fixed pulleys 11 are respectively fixedly installed on the four corners of the aluminum profile frame 4b of the door panel 4 through the pulley mounts 22, and a steel wire rope 12 goes around the four fixed pulleys 11 to connect the six locking points 9 in series and Finally, it is connected to the unlocking mechanism 10, and the four fixed pulleys 11 play the role of transmission and guidance. The operation of the unlocking mechanism 10 can move the wire rope 12 to realize the simultaneous locking or unlocking of each locking point 9, and then realize the opening of emergency evacuation doors and locks. Operation of closing emergency evacuation doors. For ease of operation, the unlocking mechanism 10 is installed on one side of the door panel 4 near the middle.

Each locking point 9 is made up of a lock hook 13 and a lock bar 14. The lock bar 14 is fixed on the door frame 3 by a screw 15. The main body of the lock bar 14 is a cylinder and stretches out toward the door panel 3. The lock bar 14 is stationary. The locking hook 13 is fixed on a connecting seat 15, and the locking hook 13 and the connecting seat 15 are integrally formed. The connecting seat 15 is roughly a cylindrical structure. Moving up and down with the movement of the wire rope 12, the locking rod 14 is stuck in the locking hook 13 to realize the locking of the locking point 9. The bending direction of the locking hook 13 on both sides of the door panel 4 is just opposite, that is, the locking hook on the left side of the door panel 4 13 blocks the locking bar 14 from below, and the locking hook 13 on the right side of the door panel 4 blocks the locking bar 14 from above, and the locking hook 13 realizes unlocking or locking with the movement of the wire rope 12.

In this embodiment, corresponding to each locking point 9, a mounting plate 24 is installed on the door panel 4, and a sliding groove (not shown in the figure) is provided on the mounting plate 24, and a sliding groove (not shown) is provided on the connecting seat 15 correspondingly. Block (not shown in the figure), slide block slides in the chute, not only plays the effect of position-limiting, can guarantee the direction that locking hook 13 moves up and down simultaneously, guarantees effective locking or throws off.

The unlocking mechanism 10 is composed of an unlocking handle 16, a mounting seat 17, a fan-shaped rotating part 18 and a decorative cover plate 19. The mounting seat 17 is fixed on the aluminum profile frame 4b of the door panel 4 by screws, and the fan-shaped rotating part 18 is rotatably mounted on the mounting seat 17. Above, the unlocking handle 16 is coaxially fixedly connected with the fan-shaped rotating part 18, the unlocking handle 16 and the fan-shaped rotating part 18 rotate synchronously, the steel wire rope 12 is connected with the fan-shaped rotating part 18, and the decorative cover plate 19 is fixed on the door panel 4, and its internal structure Cover to ensure the appearance effect of the door panel 4. On the unlocking handle 16 and the decorative cover plate 19 correspondingly set positioning pin holes (not shown in the figure), when the unlocking handle 16 is in the locked state, use the positioning pin 25 to insert the positioning pins on the unlocking handle 16 and the decorative cover plate 19 The positioning of the unlocking handle 16 is realized in the hole, and the unlocking handle 16 is positioned at the locked position, so as to avoid the accident of opening the door by mistake because the unlocking handle 16 is rotated due to avoiding operation or touching by mistake. When the emergency evacuation door needs to be opened, it is only necessary to pull out the positioning pin 25 first.

The process of unlocking the door is as follows: the operator operates the unlocking handle 16 counterclockwise, the wire rope 12 starts to move counterclockwise, and the three lock hooks 13 on the right side of the door panel 4 move upwards accordingly, and the three lock hooks 13 on the left side of the door panel 4 move upwards accordingly. The downward movement realizes that the six lock hooks 13 leave the position of the lock bar 14 synchronously, that is, the six lock bars 14 are synchronously disengaged from the six lock hooks 13 to realize unlocking and open the emergency evacuation door.

The process of door closing and locking is opposite to the above. After closing the door, the operator operates the unlocking handle 16 clockwise, and the wire rope 12 starts to move clockwise. The three locking hooks 13 move upwards accordingly, and the six locking hooks 13 are simultaneously blocked by the six locking bars 14 to realize locking and close the emergency evacuation door.

The operator only needs to use one unlocking mechanism 10 to realize simultaneous unlocking or locking of multiple locking points 9. The operation is simple and fast, and the locking can always be safe and reliable when not in use, meeting the requirements for rapid evacuation in emergency situations , while meeting the requirements for safe locking and vehicle airtightness under normal operating conditions.

As shown in Figure 4, in this embodiment, preferably at least one locking point 9 in the left and right sides of the door panel 4 is also equipped with a limiting plate 23, the limiting plate 23 is L-shaped, one side and the door frame 4 is fixed, and the other side protrudes toward the locking hook 13 and corresponds to the connecting seat 15 of the locking hook 13, which is used to further limit the rotation angle of the fan-shaped rotating part 18 and the moving distance of the locking hook 13, so as to avoid the unlocking of the handle 16. The operating range is too large. The limiting plate 23 on the left side of the door panel 4 is installed above the locking hook 13 , and the limiting plate 23 on the right side of the door panel 4 is installed under the locking hook 13 .

As shown in Figure 5, in this embodiment, a double-channel sealing structure is provided between the door frame 3 and the door panel 4, and the double-channel sealing structure consists of an annular first sealing strip 20 and a second sealing strip 20 arranged along the circumference of the door panel 4. The first sealing strip 20 is installed on the door frame 3, and the second sealing strip 21 is installed on the door panel 4.

The first sealing strip 20 is an inflatable sealing strip, which is connected to the air source. The first sealing strip 20 is composed of an inflatable part 20a and a fixed part 20b. The fixed part 20b is plugged and fixed on the door frame 3 and integrally formed on the aluminum profile of the door frame 3. There is a dovetail-shaped first slot, correspondingly the fixing portion 20b is also dovetail-shaped, the fixing portion 20b is inserted into the first slot to fix the first sealing strip 20, and it is not easy to fall off. When the door panel 4 is in the locked state, the door panel 4 presses the inflatable part 20 a to realize the first seal between the door panel 4 and the door frame 3 .

The second sealing strip 21 is an integrated rubber sealing strip, which is composed of a mounting part 21a and an overlapping part 21b extending outside the door panel 4. There is a dovetail-shaped second slot on the frame of the door panel 4, and the mounting part 21a is also in a dovetail shape. , the installation part 21a is plugged and fixed in the second slot of the door panel 4 to realize the fixing of the second sealing strip 21. The section of the overlapping part 21b is a triangular structure. When the door panel 4 is closed, the overlapping part 21a is overlapped on the door frame 3, not only the second seal between the door panel 4 and the door frame 3 can be realized, but also the structure is simple and the manufacturing cost is low.

The second sealing strip 21 is located on the outside of the door body 1 relative to the first sealing strip 20, and is used to block rainwater, dust, impurities, etc. in the environment outside the vehicle. The first sealing strip 20 is compressed when the door panel 4 is closed to realize the door panel 4 The tight seal between the door frame 3 is to ensure the airtightness in the compartment.

Between the door frame 3 and the door panel 4, a tight seal is realized by the first sealing strip 20. When the door is in the closed state, it is necessary to ensure that the inflatable part 20a has a compression amount of 5 mm to ensure the required airtightness requirements in the compartment. The present invention arranges six locking points 9 around the door panel 4 to ensure that the first sealing strip 20 between the door panel 4 and the door panel 3 is effectively compressed at each point, and the compression is uniform at each point, that is, the first sealing strip 20 is ensured. Each position of the sealing strip 20 has a compression amount of 5mm, which can not only improve the sound insulation and heat insulation performance of the door body 1, solve technical problems such as air flow, wind noise, energy saving and emission reduction, but also ensure that the required interior space is achieved in the compartment. Airtightness requirements improve the ride comfort of the vehicle, and also enable the emergency evacuation device to ensure safety, reliability, and no damage when the vehicle is running at a high speed of 140 kilometers, even when a large aerodynamic load is generated at the moment of passing through the tunnel and intersection. Abnormal conditions such as rings occur, so that the device has a safe and reliable carrying capacity.

As mentioned above, a similar technical solution can be derived in combination with the content of the solution given in the accompanying drawings. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still within the scope of the technical solutions of the present invention.

Claims (10)

1. An emergency evacuation device for an intercity vehicle, comprising a door body and a ramp, the door body is composed of a door frame and a door panel, the door frame is fixed on the car body frame, and is rotatably connected between the door panel and the door frame , is characterized in that: a locking mechanism including at least five locking points is provided between the door panel and the door frame, and a ring-shaped second ring arranged along the circumference of the door panel is provided between the door frame and the door panel. A double-channel sealing structure composed of a sealing strip and a second sealing strip. 2. An emergency evacuation device for an intercity vehicle according to claim 1, characterized in that: the door panel is an upturned structure, the top edge of the door panel is connected to the door frame by a hinge, and Gas springs for supporting the door panels are respectively installed on both sides of the door frame, and the other end of the gas springs is fixedly connected with the door panels. 3. The emergency evacuation device for an intercity vehicle according to claim 1 or 2, characterized in that: the locking mechanism consists of at least five locking points, an unlocking mechanism, four fixed pulleys and a The four fixed pulleys are respectively installed at the four corners of the door panel, and the steel wires go around the four fixed pulleys to connect all locking points and unlocking mechanisms in series. 4. The emergency evacuation device for an intercity vehicle according to claim 3, wherein six locking points are arranged between the door panel and the door frame, and three locking points are respectively arranged on both sides of the door frame. a locking point. 5. An emergency evacuation device for an intercity vehicle according to claim 3, wherein the locking point is composed of a locking hook and a locking bar, and the locking bar is fixed on the door frame, The lock bar is stuck in the lock hook to realize locking, and the lock hook is connected with the wire rope and realizes unlocking or locking with the movement of the wire rope. 6. An emergency evacuation device for an intercity vehicle according to claim 1 or 2, wherein the door panel is composed of glass fiber reinforced plastic and an aluminum profile frame, and the glass fiber reinforced plastic is pasted on the aluminum profile frame, A transparent glass window is arranged on the door panel. 7 . The emergency evacuation device for intercity vehicles according to claim 6 , wherein the transparent glass window is glued and fixed on the aluminum frame. 7 . 8. The emergency evacuation device for an intercity vehicle according to claim 1 or 2, characterized in that: the door frame is an aluminum profile frame, and the door frame is fixed on the frame of the vehicle body with glue. 9. The emergency evacuation device for intercity vehicles according to claim 1 or 2, characterized in that: the first sealing strip is an inflatable sealing strip, composed of an inflatable part and a fixed part, and the fixed part is inserted into It is directly fixed on the door frame, and when the door panel is in the locked state, it presses the inflatable part to realize sealing. 10. An emergency evacuation device for intercity vehicles according to claim 1 or 2, characterized in that: the second sealing strip is composed of an installation part and an overlapping part extending outside the door panel, and the installation part is inserted into When the door panel is closed, the overlapping portion overlaps the door frame to realize sealing.