CN219605168U - Electric evacuation door for railway tunnel - Google Patents

Abstract

The utility model provides an electric evacuation door for a railway tunnel, and relates to the field of disaster prevention rescue evacuation engineering of railway tunnels. Comprising the following steps: the door frame is connected with a wall body, the wall body is connected with a glass fiber reinforced plastic hinge, the glass fiber reinforced plastic hinge is connected with a protective door, the protective door is connected with a folding arm, the folding arm is rotatably connected with a motor, the motor is connected with the wall body, the motor is electrically connected with a control box, the control box is electrically connected with a UPS power supply and a common power supply, and the outer side of the protective door is connected with an airbag; the UPS power supply can keep the effect of being capable of being electrically switched after the conventional power supply is interrupted, the evacuation speed is improved, the safety airbag is arranged at the closing position of the protective door to prevent the electric door from being closed to hurt personnel, and the safety of the electric door closing is improved.

Description

Electric evacuation door for railway tunnel

Technical Field

The utility model relates to the field of disaster prevention rescue evacuation engineering of railway tunnels, in particular to an electric evacuation door for railway tunnels.

Background

The electric protective door is mainly used for disaster prevention and rescue channels and inclined shaft positions of the high-speed railway tunnel, and is specified according to the design specification of the disaster prevention, rescue and evacuation engineering of the railway tunnel: the tunnel with the speed of more than or equal to 5 km is provided with the equipment grotto protection door and the disaster prevention rescue evacuation channel protection door, and the electric evacuation protection door can effectively meet the requirements of emergency evacuation and daily maintenance of equipment lines of the tunnel.

The prior art publication number is CN 211647713U's patent discloses a section partition door, partition door open and shut the operation and all design into manual mode, through pulling the rotation of second hand wheel, drive reversing assembly through the transmission of first vertical connecting rod, drive horizontal branch connecting rod after reversing and slowing down, insert the lockpin in the lock seat, realize closing of partition door, the second hand wheel of counter-rotating then is the operation of opening the door, need not the switch on, moreover when taking place the war, even external power supply has a power failure, rely on the manual work to in time block comparatively laborsaving, easy operation is convenient, and the switching speed is fast.

In addition, the patent with the publication number of CN104454804B discloses a hydraulic system of a vertical hinged protective door, which has the characteristic that when one set of pump station fails, the vertical hinged protective sealing and flooding-preventing door can still be normally opened; when the power supply is interrupted, the operation of the manual pump in the machine room can be completed, and the operation of 2 modes of opening and closing the vertical rotary type protection airtight and flood prevention door can be performed in a traditional manual mode.

The prior art has the following problems:

1. after the external power supply is powered off, only the manual opening mechanism can be switched, and the evacuation speed is greatly influenced;

2. when the door is closed, the operator is not protected, and the risk of injuring the operator occurs.

Disclosure of Invention

The utility model aims to provide an electric evacuation door for a railway tunnel, which can keep the effect of being capable of being opened and closed electrically through a UPS after the conventional power supply is interrupted, so that the evacuation speed is improved, and an airbag is arranged at the closing position of a protective door to prevent the electric door from damaging personnel, so that the safety of the electric door is improved.

The utility model is realized in the following way:

the utility model provides an electric evacuation door for a railway tunnel, which comprises a door frame and a protective door, wherein the door frame is connected with a wall body, the wall body is connected with a glass fiber reinforced plastic hinge, the glass fiber reinforced plastic hinge is connected with the protective door, the protective door is connected with a folding arm, the folding arm is rotatably connected with a motor, the motor is connected with the wall body, the motor is electrically connected with a control box, the control box is electrically connected with a UPS power supply and a common power supply, and the outer side of the protective door is connected with an air bag.

According to the technical scheme, the UPS power supply is used as the standby power supply of the electric evacuation door switch, so that the situation that the protection door cannot be opened for evacuation due to the fact that the motor cannot be started after a power supply line is damaged is avoided, and the evacuation speed is improved; the safety airbag outside the protective door can pop out to avoid the protective door from injuring personnel if impacting evacuation personnel when the motor closes the protective door, thereby improving the safety of electric door closing.

In the utility model, at least two first chain plates are connected to the inner side of the protective door, the first chain plates are connected with a lifting chain, and the lifting chain is connected with a second chain plate fixed on a wall body.

Through the technical scheme, the lifting chain is convenient to transport during installation, and the function of preventing the protective door from falling off is provided after installation, so that the safety of installation and use is improved.

In the utility model, the inside of the protective door is connected with an electric world lock, the electric world lock is connected with a world lock pin, the inside of the electric world lock corresponding to the protective door is connected with an electric world lock access board, and the electric world lock access board is connected with a manual unlocking device.

Through the technical scheme, the electric world lock increases the locking effect of the protective door, and under the condition of power failure, the manual unlocking function can be switched through the manual unlocking device.

In the utility model, the control box is electrically connected with an alarm device.

Through the technical scheme, the alarm devices such as the warning lamp or the buzzer are adopted to remind evacuation personnel of what action state the current protective door is in, incorrect actions of the evacuation personnel are avoided, and the safety of evacuation use is improved.

In the utility model, the protective door is filled with fireproof heat-insulating rock wool.

Through above-mentioned technical scheme, avoid outside after the fire high temperature influence the operation of inside electrical components, also make the guard gate possess the fire prevention effect.

In the utility model, the joint of the protective door and the door frame is connected with a fireproof sealing rubber strip.

Through the technical scheme, the fireproof effect of the protective door is improved, the sealing performance is improved, the diffusion of toxic smoke is reduced, and the evacuation safety is improved.

In the utility model, the other side of the wall where the control box is positioned is connected with a switch button box.

Through above-mentioned technical scheme, the outside uses shift knob box switch door, and the inboard adopts the control box switch door, and two-way switch uses more convenient.

Compared with the prior art, the utility model has at least the following advantages or beneficial effects:

1. the UPS is used as a standby power supply of the electric evacuation door switch, so that the situation that the protection door cannot be opened and evacuated rapidly due to the fact that the motor cannot be started after a power supply line is damaged is avoided, and the evacuation speed is improved;

2. the safety airbag outside the protective door can pop out to avoid the protective door from injuring personnel if impacting evacuation personnel when the motor closes the protective door, thereby improving the safety of electric door closing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an inside view of an electric evacuation door for a railway tunnel according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view B-B of FIG. 1;

fig. 5 is a partial enlarged view at B in fig. 4.

Icon: 1-a first chaining plate; 2-an electric motor; 3-glass fiber reinforced plastic hinges; 4-line tube; 5-door frame; 6-alarm means; 7-a travel switch; 8-push-pull handles; 9-manual unlocking means; 10-a control box; 11-an electric world lock access panel; 12-a protective door; 13-chemical anchor bolts; 14-galvanization square tube; 15-a lifting chain; 16-a second chaining plate; 17-a first square tube; 18-a fireproof sealing rubber strip; 19-fireproof heat-insulating rock wool; 20-an electric world lock; 21-a second square tube; 22-door trim; 23-day lock pin; 24-a third square tube; 25-an airbag; 26-a switch button box; 27-telescoping spring wire.

Detailed Description

Examples

Referring to fig. 1-5, fig. 1-5 illustrate an embodiment of the present utility model.

The embodiment provides an electric evacuation door for a railway tunnel, which comprises a door frame 5 and a protective door 12, wherein the door frame 5 is connected with a wall body, the wall body is connected with a glass fiber reinforced plastic hinge 3 through an expansion bolt, the glass fiber reinforced plastic hinge 3 is connected with the protective door 12 through a screw, the protective door 12 is connected with a two-section folding arm between a motor 2 and the protective door 12 as shown in fig. 1, the folding arm is rotatably connected with the motor 2, the motor 2 is connected with the wall body through the expansion bolt, the motor 2 is electrically connected with a control box 10, the control box 10 is electrically connected with a UPS power supply and a common power supply, and the outer side of the protective door 12 is fixedly connected with an airbag 25 through a welding installation groove.

When the safety door is used, as shown in fig. 1 and 2, the door is opened by a button on the control box 10, after the door is opened, electric energy is transmitted to the electric world lock 20 through a telescopic spring wire 27 to work through a power supply connected with the control box 10 when the door is pressed, the electric energy reaches the lower part of the motor 2 through a spool 4, a world lock pin 23 positioned above and below the electric world lock 20 is retracted, the retraction speed is 3s-5s, the retracted state is kept still, then the motor 2 drives a rotary mechanical arm to further drive the protective door 12 to rotate along a connecting shaft with the glass fiber reinforced plastic hinge 3 to open the door, the time required for the protective door 12 to be opened from the closed state to reach the 90 DEG state is 10s, a travel switch 7 connected above the door frame 5 sends a signal to enable the alarm device 6 to be started, a flashing red lamp or a yellow lamp is used, after personnel evacuation is completed, the protective door 12 is closed through the door closing button, after the door closing button is pressed, the motor 2 drives the rotary mechanical arm to close the protective door 12, then the electric world lock 20 is operated, and the world lock 23 is extended, and then the flashing lamp is stopped by the alarm device 6; in the door closing process, because the emergency needs to be closed quickly, but the evacuees do not completely leave the rotating area of the protective door 12, at the moment, the protective door 12 has the risk of impacting the evacuees, as shown in fig. 4 and 5, an air bag 25 is vertically arranged on the closed side of the protective door 12, when the travel switch 7 of the protective door 12 is disconnected in the opening state, the alarm device 6 and the air bag 25 are both in the working state, and the air bag 25 is impacted by a human body in the door closing process, so that the air bag is triggered to expand and form a buffer between the protective door 12 and the human body, and meanwhile, the power supply of the motor 2 is cut off, so that the protective door 12 is prevented from further closing to hurt or pinch the evacuees;

if the conventional power supply and the UPS power supply lose power supply capacity, the manual unlocking device 9 is operated by a special tool (a matched lock head and a special key) to unlock the space lock, then the mechanical arm is separated, and the protective door 12 is opened and closed by the push-pull handle 8 shown in figure 1;

as shown in fig. 2 and 3, the door frame 5 is formed by welding square tubes, wherein the square tubes comprise a galvanized square tube 14 and a third square tube 24, the galvanized square tube 14 is welded with an L-shaped metal plate and can be connected to a corner of a wall, the third square tube 24 can be welded with a metal flat plate and is connected to a plane of the wall, and the metal plate is fixed on the wall through a chemical anchor bolt 13 after being welded with the square tube, so that the concrete strength C30 of the wall is achieved.

It should be noted that, when a fire disaster and other disaster accidents occur in the tunnel, the train is controlled to stop on the open line for evacuation; when the train cannot stop on the open line, the train is controlled to stop at an emergency rescue channel in the tunnel for evacuation, and when the train cannot stop at the emergency rescue channel, the train is controlled to stop at a nearest emergency exit or rescue channel such as a shelter for evacuation or waiting for rescue; the protective door 12 is mainly used for disaster prevention and rescue channels and inclined shaft positions of the high-speed railway tunnel, and is specified according to the design specification of the disaster prevention, rescue and evacuation engineering of the railway tunnel: the tunnel with the distance of more than or equal to 5 km is designed with an equipment grotto protection door and a disaster prevention rescue evacuation channel protection door, and the electric evacuation protection door can effectively meet the requirements of emergency evacuation and daily maintenance of equipment lines of the tunnel; the opening direction of the protective door of the electric evacuation door is opened towards the evacuation and escape direction, the door leaf is opened in an electric flat-open mode, and the opening angle is more than or equal to 90 degrees, so that the emergency evacuation requirement is met; the electric evacuation door has the following technical scheme that the electric evacuation door is 1700 x 2100 in passing dimension, a protective door 12 is formed by welding 130 x 60 x3 hot dip galvanized square pipes 14, an inner cavity is filled with a grade A fireproof heat insulation material fireproof heat insulation rock wool 19, a door decoration plate 22 is connected to the outside of the protective door 12, the door decoration plate 22 is made of a hot dip galvanized steel plate with the thickness of 4mm, the whole thickness of the protective door 12 is 136mm, the design weight of the protective door 12 is 475kg-500kg, and the design requirement of fireproof and explosion-proof products is met; the electric evacuation door is designed with a 48-hour UPS uninterrupted power supply (which is arranged in the control box 10 or independently placed and can not be used for describing a specific installation position by taking a single drawing), so that the electric evacuation door can be normally opened in a power-off state of equipment in a tunnel under a special environment, and a normal emergency evacuation function is guaranteed, and under the condition that the UPS power supply fails, the electric evacuation protection door 12 is also provided with a manual automatic switching safety device, the electric control can be released by using a special tool, and the electric protection door 12 can be manually opened, so that the normal emergency evacuation function is met; as shown in fig. 4, the left side of the protective door 12 is the outside, the right side is the inside, evacuees evacuate from the outside to the inside, the protective door 12 is rotated and opened to the inside under the action of the motor 2 and the mechanical arm, wherein the motor 2 is composed of a servo driver with the model of ASD-B2-0721-B and a servo motor with the model of ECMA-C20807RS, the encoder is an absolute value encoder with the model of ADK-MLP-a12-DS, and the control box 10 comprises 7 inches of all-in-one machines EX3G-70KC-38mt+plc485 communication+plcrj45+plcrj45+input 2 paths of analog quantity 4MA-20 ma+output 2 paths of 10V to +10v; the control box 10 is electrically connected to the motor 2, the alarm device 6 and the travel switch 7 via the line pipe 4.

By adopting the technical scheme, the UPS power supply is used as the standby power supply of the electric evacuation door switch, so that the situation that the protection door 12 cannot be opened quickly due to the fact that the motor 2 cannot be started after a power supply line is damaged is avoided, and the evacuation speed is improved; the safety airbag 25 outside the protective door 12 can pop up to avoid the protective door 12 from injuring personnel if impacting evacuation personnel when the motor 2 closes the protective door 12, thereby improving the safety of electric door closing.

As a preferred embodiment, at least two first chain plates 1 are connected to the inner side of the protective door 12, the first chain plates 1 are connected to a hoist chain 15, and the hoist chain 15 is connected to a second chain plate 16 fixed to the wall.

When the protective door is used, two first chain plates 1 are fixed at trisection positions on the glass fiber reinforced plastic hinge 3 side of the protective door 12 through screws, the first chain plates 1 are correspondingly connected with second square tubes 21 positioned in the protective door 12, two sides of each second square tube 21 are connected with door decorative plates 22, the second chain plates 16 positioned on the inner wall of the protective door 12 are connected through two lifting chains 15, and the second chain plates 16 can be connected to the wall of the parallel door frame 5 or the wall of the vertical door frame 5.

Through the above technical scheme, the lifting chain 15 is convenient to be assembled and transported during installation, and also provides an effect of preventing the protective door 12 from falling off after installation, so that the safety of installation and use is improved.

As a preferred embodiment, the protective door 12 is internally connected with an electric world lock 20, the electric world lock 20 is connected with a world lock pin 23, the electric world lock 20 is connected with an electric world lock access board 11 corresponding to the inner side of the protective door 12, and the electric world lock access board 11 is connected with a manual unlocking device 9.

It should be noted that, the heaven and earth lock is a disclosure technical solution, and those skilled in the art may combine fig. 2 and 3 with the disclosure technical solution, and the structure of the electric heaven and earth lock 20 is not required to be creatively worked, and is not separately described and specifically limited herein.

Through the above technical scheme, the electric world lock 20 increases the locking effect of the protective door 12, and under the condition of power failure, the manual unlocking function can be switched through the manual unlocking device 9.

As a preferred embodiment, the alarm device 6 is electrically connected to the control box 10.

In use, the alarm device 6 in this embodiment employs a red signal light, which is turned off when not activated, and blinks when the activation button is pressed and the protective door 12 is opened.

Through the technical scheme, the alarm device 6 such as a warning lamp or a buzzer is adopted to remind evacuation personnel of what action state the current protective door 12 is in, incorrect actions of the evacuation personnel are avoided, and the safety of evacuation use is improved.

As a preferred embodiment, the protective door 12 is filled with fireproof and heat-insulating rock wool 19.

It should be noted that, the space in the motion range of the electric world lock 20 is removed in the protective door 12 is filled with the fireproof heat-insulating rock wool 19, including the electric world lock 20 and the outside area of the protective door 12, the electric control part of the electric world lock 20 is prevented from being damaged by high temperature, the setting of the fireproof heat-insulating rock wool 19 meets the BS476 standard, the fireproof integrity for 3 hours can be provided, and the fireproof time and the residual bearing force anti-riot 0.1Kpa are met.

Through the above technical scheme, the operation of the internal electrical components is prevented from being influenced by the high temperature after the outside fires, and the protective door 12 is also enabled to have a fireproof effect.

As a preferred embodiment, a fireproof sealing rubber strip 18 is connected to the contact portion between the protective door 12 and the door frame 5.

In use, as shown in FIG. 3, the sealing strip 18 is connected to the side of the first side tube 17 facing the protective door 12, and the first side tube 17 is welded to the inside of the door frame 5

Through the technical scheme, the fireproof effect of the protective door 12 is improved, the sealing performance is improved, the diffusion of toxic smoke is reduced, and the evacuation safety is improved.

As a preferred embodiment, the other side of the wall where the control box 10 is located is connected to a switch button box 26.

In use, to avoid that no operator is opening inside the protective door 12, a switch button box 26 is also provided outside the protective door 12 and connected to the control box 10 through a wall.

Through above-mentioned technical scheme, the outside uses shift knob box 26 switch door, and the inboard adopts control box 10 switch door, and two-way switch uses more convenient.

In summary, the embodiment of the utility model provides an electric evacuation door for a railway tunnel, which has at least the following advantages compared with the prior art:

1. the UPS is used as a standby power supply of the electric evacuation door switch, so that the situation that the protection door 12 cannot be opened and evacuated rapidly due to the fact that the motor 2 cannot be started after a power supply line is damaged is avoided, and the evacuation speed is improved;

2. the safety airbag 25 outside the protective door 12 can pop up to avoid the protective door 12 from injuring personnel if impacting the evacuator when the motor 2 closes the protective door 12, so that the safety of electric door closing is improved;

3. the connecting hoisting chain can be used in installation and transportation, and can be connected with a wall body to prevent the protective door 12 from falling off, so that the safety of installation and use is improved;

4. the electric world lock 20 increases the locking effect of the protective door 12, and in the event of a power failure, the manual unlocking function can also be switched by the manual unlocking means 9.

5. The alarm device 6 is adopted to remind evacuation personnel of the action state of the protective door 12, so that the safety of evacuation use is improved;

6. the fireproof heat-insulating rock wool 19 can prevent the operation of internal electrical components from being influenced by high temperature after the outside fires, and also can enable the protective door 12 to have fireproof effect;

7. the fireproof sealing rubber strips 18 improve the fireproof effect of the protective door 12, improve the sealing performance, reduce the diffusion of toxic smoke and improve the evacuation safety.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides an electric evacuation door for railway tunnel, includes door frame (5) and guard gate (12), its characterized in that, door frame (5) are connected with the wall body, the wall connection has glass steel hinge (3), glass steel hinge (3) are connected with guard gate (12), guard gate (12) are connected with the arm, but arm swivelling joint has motor (2), motor (2) are connected in the wall body, motor (2) electricity is connected with control box (10), control box (10) electricity is connected with UPS power and ordinary power, guard gate (12) outside is connected with air bag (25).

2. The electric evacuation door for railway tunnel according to claim 1, wherein at least two first chain plates (1) are connected to the inner side of the protective door (12), the first chain plates (1) are connected with a lifting chain (15), and the lifting chain (15) is connected with a second chain plate (16) fixed to a wall body.

3. The electric evacuation door for the railway tunnel according to claim 1, wherein the protective door (12) is internally connected with an electric world lock (20), the electric world lock (20) is connected with a world lock pin (23), an electric world lock access board (11) is connected to the inner side of the electric world lock (20) corresponding to the protective door (12), and the electric world lock access board (11) is connected with a manual unlocking device (9).

4. A railway tunnel electric evacuation door according to claim 1, wherein the control box (10) is electrically connected with an alarm device (6).

5. The electric evacuation door for railway tunnel according to claim 1, wherein the protective door (12) is filled with fireproof and heat-insulating rock wool (19).

6. The electric evacuation door for railway tunnel according to claim 1, wherein the joint of the protective door (12) and the door frame (5) is connected with a fireproof sealing rubber strip (18).

7. The electric evacuation door for railway tunnel according to any one of claims 1 to 6, wherein a switch button box (26) is connected to the other side of the wall where the control box (10) is located.