CN114542168A - Lifting connecting device for evacuation platform in subway interval and control method - Google Patents
Lifting connecting device for evacuation platform in subway interval and control method Download PDFInfo
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Abstract
The invention provides a liftable connecting device for evacuation platforms in subway sections, which comprises a first fixed evacuation platform plate, a second fixed evacuation platform plate, a first movable evacuation platform plate, a second movable evacuation platform plate and a driving device, wherein the first movable evacuation platform plate is arranged on the first fixed evacuation platform plate; the first movable evacuation platform plate and the second movable evacuation platform plate are provided with a first position and a second position, the free end is contacted with the ground at the first position, and the first movable evacuation platform plate and the second movable evacuation platform plate are in an inclined state; at a second position, the first and second movable evacuation platform boards are in a substantially horizontal state; the driving device is used for driving the first movable evacuation platform plate and the second movable evacuation platform plate to move from a first position to a second position; thereby preventing the danger of drowning in the evacuation process of people.
Description
Technical Field
The invention relates to an evacuation platform between subway sections, in particular to a liftable connecting device and a control method for the evacuation platform between subway sections.
Background
Subway stations belong to dense personnel places, and people in tunnels between underground areas are difficult to evacuate; when an accident (such as a fire) occurs in the subway tunnel and a subway train stops in the underground interval tunnel, if people are not evacuated timely, a crowd injury is likely to occur.
At present, the subway evacuation system in the tunnel is usually designed to arrange evacuation platforms at two sides of a track, when passengers need to be evacuated, the passengers step on the evacuation platforms after coming out of a train carriage, and then escape forwards or backwards along the evacuation platforms. Every certain distance that separates, the tunnel all can with set up the contact passageway that is used for sparse between the tunnel on the next door, the bottom and the subway track of contact passageway highly the same basically, like this, when the passenger marchs along evacuation platform, meet the position of contact passageway, evacuation platform all can sink usually to make things convenient for the passenger to get into the contact passageway from evacuation platform.
However, when flood disasters happen in the tunnel, if accumulated water exists at the sinking position of the evacuation platform, passengers are evacuated in emergency, and the passengers are in a hurry and can fall into a water pit of a sinking area under the unknowing condition, so that the drowning danger is generated.
Disclosure of Invention
In order to solve the above problems, the present invention provides a liftable connecting device for evacuation platforms between subway sections, comprising a first fixed evacuation platform plate, a second fixed evacuation platform plate, a first movable evacuation platform plate, a second movable evacuation platform plate and a driving device; the first fixed evacuation platform plate and the second fixed evacuation platform plate are positioned at the same height and are basically the same as the height of the floor of the subway carriage, and a certain distance D is formed between the first fixed evacuation platform plate and the second fixed evacuation platform plate; one end of the first movable evacuation platform plate is rotatably connected with the tail end of the first fixed evacuation platform plate, and the other end of the first movable evacuation platform plate is a free end; one end of the second movable evacuation platform plate is rotatably connected with the tail end of the second fixed evacuation platform plate, and the other end of the second movable evacuation platform plate is a free end;
the first movable evacuation platform plate and the second movable evacuation platform plate are provided with a first position and a second position, the free end is contacted with the ground at the first position, and the first movable evacuation platform plate and the second movable evacuation platform plate are in an inclined state; at a second position, the first and second movable evacuation platform boards are in a substantially horizontal state;
the driving device is used for driving the first movable evacuation platform plate and the second movable evacuation platform plate to move from the first position to the second position.
Further, the sum of the lengths of the first movable evacuation platform plate and the second movable evacuation platform plate is greater than the distance D.
Furthermore, the driving device comprises a steel wire rope, a fixed pulley and a steel wire rope winding and unwinding device, wherein the steel wire rope is wound on the steel wire rope winding and unwinding device and fixedly connected with the free ends of the first movable evacuation platform plate and the second movable evacuation platform plate by bypassing the fixed pulley.
The invention also provides another lifting connecting device for the evacuation platforms in the subway section, which comprises a first fixed evacuation platform plate, a second fixed evacuation platform plate, a first movable evacuation platform plate, a second movable evacuation platform plate, a third movable evacuation platform plate and a driving device, wherein the first movable evacuation platform plate is arranged on the first fixed evacuation platform plate; the first fixed evacuation platform plate and the second fixed evacuation platform plate are positioned at the same height and are basically as high as the floor of the subway carriage; two rollers which are arranged up and down are respectively arranged below the tail ends of the first fixed evacuation platform plate and the second fixed evacuation platform plate, one end of the first movable evacuation platform plate is inserted into a gap between the two rollers below the first fixed evacuation platform plate, and the other end of the first movable evacuation platform plate is rotatably connected with one end of the third movable evacuation platform plate; one end of the second movable evacuation platform plate is inserted into a gap between two rollers below the second fixed evacuation platform plate, and the other end of the second movable evacuation platform plate is rotatably connected with the other end of the third movable evacuation platform plate;
the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate are provided with a first position and a second position, the first movable evacuation platform plate and the second movable evacuation platform plate are in an inclined state at the first position, and the third movable evacuation platform is lower than the first fixed evacuation platform plate and the second fixed evacuation platform plate; at a second position, the first movable evacuation platform plate and the second movable evacuation platform plate are in a substantially horizontal state, and the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate are located at substantially the same height as the first fixed evacuation platform plate and the second fixed evacuation platform plate;
the driving device is used for driving the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate to move from a first position to a second position.
Further, drive arrangement includes wire rope, fixed pulley, wire rope distributor, wire rope twines on wire rope distributor, and by-pass fixed pulley and first activity evacuation platform board, the evacuation platform board fixed connection of second activity, fixed connection position is located near first activity evacuation platform board, the evacuation platform board of second activity rotate the junction with the evacuation platform board of third activity.
Or alternatively, the driving device comprises a steel wire rope, a fixed pulley and a steel wire rope winding and unwinding device, the steel wire rope is wound on the steel wire rope winding and unwinding device and bypasses the fixed pulley to be fixedly connected with the third movable evacuation platform plate, and the fixed connection position is located near the rotary connection position of the third movable evacuation platform plate and the first movable evacuation platform plate and the second movable evacuation platform plate.
The invention also provides a control method of the liftable connecting device for the evacuation platform in the subway interval, and when a subway vehicle breaks down and stops in a tunnel, the following steps are adopted for evacuating passengers:
s1: judging whether water accumulation starts in the tunnel, if not, executing a step S4', if so, judging the risk level, if so, executing a step S4, and if not, executing a step S2;
s2: judging whether the accumulated water overflows the subway rail, and if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S3;
s3: judging whether water is accumulated on the other side of the tunnel, and if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S4';
s4: driving the first movable evacuation platform plate and the second movable evacuation platform plate to move from a first position to a second position; or driving the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate to move from the first position to the second position;
s4': and keeping the first movable evacuation platform plate and the second movable evacuation platform plate at the first positions, or keeping the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate at the first positions.
Further, in step S4, the method further includes closing a communication channel door between the first fixed evacuation platform board (4A) and the second fixed evacuation platform board (4B) or indicating that the communication channel is not accessible.
Further, the traffic state of the contact channel is prompted through a voice prompt or an indicator lamp.
Further, in step S4, the driving start sequence of the first movable evacuation platform and the second movable evacuation platform is controlled according to the evacuation direction of people, and the movable evacuation platform near the exit side of the subway train people starts before the movable evacuation platform far from the exit side of the subway train people.
The movable evacuation platform plate is positioned at the first position when the fire disaster occurs, and can be positioned at the second position according to the actual condition when the waterlogging occurs, so that the danger of drowning in the evacuation process of people is prevented.
Drawings
Fig. 1 is a schematic top view of a subway tunnel evacuation platform according to a first embodiment of the present invention;
fig. 2 is a side view of a movable evacuation platform of a first embodiment of the evacuation platform of the subway tunnel according to the present invention, which is located at a first position;
fig. 3 is a side view of the movable evacuation platform of the first embodiment of the evacuation platform of the subway tunnel of the invention in the second position;
fig. 4 is a schematic top view of a subway tunnel evacuation platform according to a second embodiment of the present invention;
fig. 5 is a side view of a movable evacuation platform of a second embodiment of the subway tunnel evacuation platform of the present invention in a first position;
fig. 6 is a side view of a movable evacuation platform of a second embodiment of the subway tunnel evacuation platform of the present invention in a second position;
fig. 7 is a schematic flow chart of the evacuation method of the subway tunnel according to the present invention.
Detailed Description
Referring to fig. 1-3, a first embodiment of the evacuation platform between subways according to the present invention is shown. The subway tunnel 1 is internally provided with a rail 2, one side of the rail 2 is provided with an evacuation platform, the evacuation platform comprises a first fixed evacuation platform plate 4A, a second fixed evacuation platform plate 4B, a first movable evacuation platform plate 5A and a second movable evacuation platform plate 5B, the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B are positioned at the same height and are basically the same as the height of the floor of a subway carriage, and the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B are separated by a certain distance D; a communication channel 3 is also arranged between the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B;
one end of the first movable evacuation platform plate 5A is rotatably connected with the tail end of the first fixed evacuation platform plate 4A, for example, a pivot 6 is arranged, and the other end is a free end; one end of the second movable evacuation platform plate 5B is rotatably connected with the end of the second fixed evacuation platform plate 4B, for example, a pivot 6 is provided, and the other end is a free end.
The first movable evacuation platform plate 5A and the second movable evacuation platform plate 5B have a first position and a second position, fig. 2 shows a state where the first movable evacuation platform plate and the second movable evacuation platform plate are located at the first position, the first movable evacuation platform plate 5A and the second movable evacuation platform plate 5B are not inclined, and free ends of the first movable evacuation platform plate and the second movable evacuation platform plate are in contact with the ground; fig. 3 shows a state in which both are located at the second position where the first movable evacuation platform panel 5A and the second movable evacuation platform panel 5B are in a substantially horizontal state. As can be seen from the figure, in the second position there is a certain overlap between the first movable evacuation platform panel 5A and the second movable evacuation platform panel 5B, which improves the stable structure of the system. That is, the sum of the lengths of the first movable evacuation platform panel and the second movable evacuation platform panel is greater than the distance D.
The platform further comprises a drive means for driving the first and second movable evacuation platform panels 5A, 5B to move from the first position to the second position.
In fig. 2, a schematic diagram of a driving device is given, the driving device comprises a steel wire rope 7, a fixed pulley 8 and a steel wire rope winding and unwinding device 9, the steel wire rope is wound on the steel wire rope winding and unwinding device 9 and is fixedly connected with the vicinity of the free ends of the first movable evacuation platform board 5A and the second movable evacuation platform board 5B by bypassing the fixed pulley 8.
Referring to fig. 4-6, a second embodiment of the evacuation platform for subway tunnels according to the present invention is shown. A rail 2 is arranged in the subway tunnel 1, and an evacuation platform is arranged on one side of the rail 2; the evacuation platform comprises a first fixed evacuation platform plate 4A, a second fixed evacuation platform plate 4B, a first movable evacuation platform plate 5A, a second movable evacuation platform plate 5B and a third movable evacuation platform plate 10; the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B are positioned at the same height and are basically the same as the floor of the subway carriage; a communication channel 3 is also arranged between the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B;
two rollers 11 arranged up and down are respectively arranged below the tail ends of the first fixed evacuation platform plate 4A and the second fixed evacuation platform plate 4B, one end of the first movable evacuation platform plate 5A is inserted into a gap between the two rollers below the first fixed evacuation platform plate 4A, and the other end of the first movable evacuation platform plate 5A is rotatably connected with one end of a third movable evacuation platform plate 10, for example, a pivot 6 is arranged; one end of the second movable evacuation platform plate 5B is inserted into a gap between two rollers 11 below the second fixed evacuation platform plate 4B, and the other end of the second movable evacuation platform plate 5B is rotatably connected with the other end of a third movable evacuation platform plate 10, for example, a pivot 6 is provided;
the first movable evacuation platform plate 5A, the second movable evacuation platform plate 5B and the third movable evacuation platform plate 10 have a first position and a second position; fig. 5 is a schematic view of a first position in which the first and second movable evacuation platform panels are in an inclined position and the third movable evacuation platform is at a lower elevation than the first and second fixed evacuation platform panels;
fig. 5 is a schematic view of a second position in which the first movable evacuation platform panel 5A and the second movable evacuation platform panel 5B are in a substantially horizontal state, and the first movable evacuation platform panel 5A, the second movable evacuation platform panel 5B, and the third movable evacuation platform panel 10 are at substantially the same height as the first fixed evacuation platform panel 4A and the second fixed evacuation platform panel 4B;
the platform further comprises a driving device for driving the first movable evacuation platform plate 5A, the second movable evacuation platform plate 5B and the third movable evacuation platform plate 10 to move from the first position to the second position.
In fig. 5, a schematic of a driving device is shown, the driving device includes a steel wire rope 7, a fixed pulley 8, and a steel wire rope winding and unwinding device 9, the steel wire rope is wound on the steel wire rope winding and unwinding device 9 and is fixedly connected with the vicinity of the free ends of the first movable evacuation platform board 5A and the second movable evacuation platform board 5B around the fixed pulley 8.
Those skilled in the art will also understand that the steel cable may also be fixedly connected to the third movable evacuation platform board 10 by passing through the fixed pulley, and the fixed connection position is located near the rotational connection position of the third movable evacuation platform board 10 and the first and second movable evacuation platform boards 5A and 5B.
In the invention, the driving device can be operated in a remote control mode, a field electric control mode or a field mechanical control mode.
In addition, the driving device can also set a hydraulic mechanism at the lower parts of the first movable evacuation platform plate 5A, the second movable evacuation platform plate 5B and the third movable evacuation platform plate 10, and the hydraulic rod is used for jacking the movable evacuation platform plates and supporting the movable evacuation platform plates except for pulling the movable evacuation platform plates upwards by using a steel wire rope.
Referring to fig. 7, the present invention further provides a control method of an evacuation platform of a subway tunnel, which can evacuate passengers by adopting the following steps when a subway vehicle breaks down and stops in the tunnel:
s1: judging whether water accumulation starts in the tunnel, if not, executing a step S4', if so, judging the risk level, if so, executing a step S4, and if not, executing a step S2;
s2: judging whether the accumulated water overflows the subway track, if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S3;
s3: judging whether water is accumulated on the other side of the tunnel, if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S4';
s4: driving the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) to move from a first position to a second position; or driving the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B) and the third movable evacuation platform plate (10) to move from the first position to the second position;
s4': and keeping the first movable evacuation platform plate and the second movable evacuation platform plate at the first positions, or keeping the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate at the first positions.
In the method, the risk level is judged mainly according to the field situation, for example, when water is accumulated in the tunnel, the speed of water accumulation needs to be judged, if the speed is high, the risk level is high, otherwise, the speed is low. If the water accumulation speed is too fast and the risk is high, people can be evacuated by using the communication channel as far as possible and the evacuation platform can be directly walked.
In addition, in step S4, the method may further include closing the contact channel or prompting that the contact channel is not accessible. The movable evacuation platform is arranged on the first position, is higher than the bottom of the communication channel and can be empty if people enter the communication channel by mistake.
The prompt of the passing state of the contact channel can be carried out in a voice prompt mode or an indicator lamp mode.
Further, it should be noted that when the embodiments shown in fig. 1 to 3 are adopted, the above-mentioned control method controls the driving start sequence of the first movable evacuation platform and the second movable evacuation platform according to the evacuation direction of persons, and the evacuation platform near the exit side of the subway train persons starts before the evacuation platform far from the exit side of the subway train persons in step S4. For example, in fig. 3, the evacuation direction of the person is from left to right, the first movable evacuation platform 5A on the left side starts a lifting process before the second movable evacuation platform 5B on the right side, so that when the two evacuation platforms are substantially horizontal, the end of the first movable evacuation platform 5A is located on the second movable evacuation platform 5B on the right side, and the second movable evacuation platform 5B can be used to provide partial supporting force, so that the stability of the system is enhanced, and the danger that the person is tripped at the connection between the two movable evacuation platforms can be prevented.
The movable evacuation platform plate is positioned at the first position when the fire disaster occurs, and can be positioned at the second position according to the actual condition when the waterlogging occurs, so that the danger of drowning in the evacuation process of people is prevented.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A lifting connecting device for evacuation platforms in subway sections comprises a first fixed evacuation platform plate (4A), a second fixed evacuation platform plate (4B), a first movable evacuation platform plate (5A), a second movable evacuation platform plate (5B) and a driving device;
the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B) are positioned at the same height and are basically the same as the height of the floor of the subway carriage, and the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B) are separated by a certain distance D; the method is characterized in that:
one end of the first movable evacuation platform plate (5A) is rotatably connected with the tail end of the first fixed evacuation platform plate (4A), and the other end of the first movable evacuation platform plate is a free end; one end of the second movable evacuation platform plate (5B) is rotatably connected with the tail end of the second fixed evacuation platform plate (4B), and the other end is a free end;
the first movable evacuation platform panel (5A) and the second movable evacuation platform panel have a first position where the free end is in contact with the ground and the first movable evacuation platform panel (5A) and the second movable evacuation platform panel (5B) are in an inclined state; in a second position, the first movable evacuation platform panel (5A) and the second movable evacuation platform panel (5B) are in a substantially horizontal state;
the driving device is used for driving the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) to move from a first position to a second position.
2. The arrangement according to claim 1, characterized in that the sum of the lengths of the first (5A) and second (5B) movable evacuation platform boards is greater than the distance D.
3. The device according to any one of claims 1-2, characterized in that the drive device comprises a steel wire rope (7), a fixed pulley (8) and a steel wire rope reel-up (9), wherein the steel wire rope (7) is wound on the steel wire rope reel-up (9) and fixedly connected with the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) near the free ends by bypassing the fixed pulley (8).
4. A lifting connecting device for evacuation platforms in subway sections comprises a first fixed evacuation platform plate (4A), a second fixed evacuation platform plate (4B), a first movable evacuation platform plate (5A), a second movable evacuation platform plate (5B), a third movable evacuation platform plate (10) and a driving device; the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B) are positioned at the same height, and the height of the first fixed evacuation platform plate and the height of the second fixed evacuation platform plate are basically the same as that of the floor of the subway carriage; the method is characterized in that:
two rollers (11) which are arranged up and down are respectively arranged below the tail ends of the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B), one end of the first movable evacuation platform plate (5A) is inserted into a gap between the two rollers below the first fixed evacuation platform plate (4A), and the other end of the first movable evacuation platform plate (5A) is rotatably connected with one end of the third movable evacuation platform plate (10); one end of the second movable evacuation platform plate (5B) is inserted into a gap between two rollers (11) below the second fixed evacuation platform plate (4B), and the other end of the second movable evacuation platform plate (5B) is rotatably connected with the other end of a third movable evacuation platform plate (10);
the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B) and the third movable evacuation platform plate (10) have a first position and a second position, at the first position, the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) are in an inclined state, and the third movable evacuation platform is lower than the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B); at a second position, the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) are in a substantially horizontal state, and the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B), the third movable evacuation platform plate (10) and the first fixed evacuation platform plate (4A) and the second fixed evacuation platform plate (4B) are located at substantially the same height;
the driving device is used for driving the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B) and the third movable evacuation platform plate (10) to move from a first position to a second position.
5. The device according to claim 4, characterized in that the driving device comprises a steel wire rope, a fixed pulley (8) and a steel wire rope winding and unwinding device (9), wherein the steel wire rope is wound on the steel wire rope winding and unwinding device (9) and is fixedly connected with the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) by passing through the fixed pulley (8), and the fixed connection position is located near the rotary connection position of the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B) and the third movable evacuation platform plate (10).
6. The device according to claim 4, characterized in that the drive means comprises a wire rope (7), a fixed pulley (8), a wire rope reel (9), the wire rope (7) is wound around the wire rope reel (9) and is fixedly connected to a third movable evacuation platform (10) around the fixed pulley (8), and the fixed connection position is located near the rotational connection of the third movable evacuation platform (10) to the first movable evacuation platform (5A) and the second movable evacuation platform (5B).
7. A control method for the liftable connection device of the evacuation platform in the subway section as claimed in any one of claims 1 to 6, when a subway vehicle breaks down and stops in a tunnel, the following steps are adopted for evacuating passengers:
s1: judging whether water accumulation starts in the tunnel, if not, executing a step S4', if so, judging the risk level, if so, executing a step S4, and if not, executing a step S2;
s2: judging whether the accumulated water overflows the subway track, if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S3;
s3: judging whether water is accumulated on the other side of the tunnel, if so, executing the step S4; if not, judging the risk level, if the risk level is high, executing the step S4, and if the risk level is low, executing the step S4';
s4: driving the first movable evacuation platform plate (5A) and the second movable evacuation platform plate (5B) to move from a first position to a second position; or driving the first movable evacuation platform plate (5A), the second movable evacuation platform plate (5B) and the third movable evacuation platform plate (10) to move from the first position to the second position;
s4': and keeping the first movable evacuation platform plate and the second movable evacuation platform plate at the first positions, or keeping the first movable evacuation platform plate, the second movable evacuation platform plate and the third movable evacuation platform plate at the first positions.
8. The method of claim 7, wherein step S4, further comprises closing or indicating that the communication channel between the first fixed evacuation platform panel (4A) and the second fixed evacuation platform panel (4B) is not accessible.
9. The method of claim 8, wherein the traffic status of the contact channel is prompted by a voice prompt or an indicator light.
10. Method according to one of claims 7 to 10, characterized in that, when the device according to one of claims 1 to 3 is used, in step S4, the driving sequence of the first movable evacuation platform panel (5A) and the second movable evacuation platform panel (5B) is controlled according to the evacuation direction, and the movable evacuation platform panel closer to the exit side of the subway train people is activated before the movable evacuation platform further away from the exit side of the subway train people.
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| CN202210220510.4A CN114542168B (en) | 2022-03-08 | 2022-03-08 | Lifting connection device for subway section evacuation platform and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535005A (en) * | 2022-10-12 | 2022-12-30 | 青岛市地铁六号线有限公司 | Stainless steel material subway evacuation platform |
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| CN113775373A (en) * | 2021-10-29 | 2021-12-10 | 马凯浩 | Floating subway tunnel evacuation platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115535005A (en) * | 2022-10-12 | 2022-12-30 | 青岛市地铁六号线有限公司 | Stainless steel material subway evacuation platform |
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| CN114542168B (en) | 2023-12-22 |
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