Latticed rail transit system and operation method thereof

Abstract

The invention provides a latticed rail transit system and an operation method thereof. The latticed rail transit system comprises a plurality of first rail lines, a plurality of second rail lines, a plurality of high-speed trains and a plurality of low-speed trains, the first rail lines and the second rail lines are transversely and longitudinally staggered to form a grid, and line changing stations are arranged at the intersection points of the first rail lines and the second rail lines. Common stations are arranged between the adjacent line changing stations; each of the first track line and the second track line is provided with four tracks, a plurality of high-speed trains run on one track in the same group, a plurality of low-speed trains run on the other track, and the running directions of the trains on the two groups of tracks are opposite; the common station and the line changing station are low-speed train stopping points; and when the running fast train is parallel to a certain running slow train, the slow train and the fast train realize movable lift car exchange. Riding is more convenient, and the riding efficiency is high.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit, and in particular to a grid-shaped rail transit system and an operation method thereof. Background Art

[0002] The development of the existing urban transportation network is in a cycle of "the denser the population, the denser the lines - the denser the lines, the denser the population", which makes the central city more and more crowded, while the surrounding areas are difficult to develop. The dense transportation network in the central city is convenient for passengers traveling very short distances, but for passengers traveling a little further, the intersections and traffic lights of ground transportation and the stops at every station of underground rail transportation have seriously reduced the travel speed. Summary of the invention

[0003] The object of the present invention is to provide a grid-shaped rail transit system with uniform wiring and convenient riding, and an operation method thereof.

[0004] The technical solution of the present invention is: a grid-shaped rail transit system, comprising a plurality of first rail lines, a plurality of second rail lines, a plurality of fast trains and a plurality of slow trains, wherein the plurality of first rail lines and the plurality of second rail lines are interlaced horizontally and vertically to form a grid, a line-changing station is arranged at the intersection of the first rail line and the second rail line, and a common station is arranged between adjacent line-changing stations;

[0005] Each of the first and second track lines is provided with four tracks, two of which form a group; a plurality of fast trains run on one track in the same group, and a plurality of slow trains run on the other track; the trains on the two groups of tracks run in opposite directions; both the fast trains and the slow trains are provided with movable cars; the ordinary stations and the line-changing stations are stops for slow trains; the fast trains and the slow trains on the same group of tracks run in the same direction; when a running fast train runs parallel to a running slow train and has the same speed, the slow train and the fast train exchange movable cars.

[0006] Preferably, the ends of the plurality of first track lines and the plurality of second track lines are provided with return lines for train reversal.

[0007] Preferably, the spacing between the multiple first rail lines and the second rail lines is 2-3km, and the fast trains and slow trains in the same set of tracks are distributed as follows: a pair of fast trains, slow trains and the interval in which they are transferring are taken as the zero point, denoted as the 0th fast train, the 0th slow train and the 0th interval respectively, the nth fast train in front exchanges a movable car with the nth slow train in the 3n-1 interval; the 0th fast train will exchange a movable car with the nth slow train in the 3n interval, where n is a positive integer.

[0008] Preferably, a plurality of non-transfer trains are arranged on the track of the slow train, and the plurality of non-transfer trains are arranged alternately with the slow train; and the first track line and the second track line are located at different elevations.

[0009] Preferably, the slow train and the fast train both include carriages, and the carriages include a lower layer, an upper layer located above the lower layer, and a pedestrian passage provided at the same end of the lower layer and the upper layer, the pedestrian passage connects the lower layer with the upper layer, and the movable car is located in the upper layer; the slow train and the fast train are also provided with a support frame that can be folded or unfolded, when a running fast train is parallel to a running slow train, the support frame is unfolded to connect the slow train and the fast train to form a connecting passage, and the movable car is exchanged to another train through the connecting passage.

[0010] Preferably, the floor of the upper layer is provided with a longitudinal rail extending along the direction of train operation and a first transverse rail perpendicular to the longitudinal rail, the support frame is provided with a second transverse rail, and when the support frame is unfolded, the first transverse rail is connected to the second transverse rail; the bottom of the movable car is provided with a first wheel group moving on the longitudinal rail and a second wheel group moving on the first transverse rail and the second transverse rail.

[0011] Preferably, a third movable door is provided at both ends of the carriage, and the third movable doors on adjacent carriages are arranged correspondingly; a second movable door is provided between the pedestrian passage and the upper layer, and a first movable door is provided at both ends of the movable car, and the first movable door and the second movable door are arranged correspondingly; the pedestrian passage includes a first turning platform, an upper ladder, a second turning platform and a first lower ladder, the first turning platform is located next to the second movable door, the second turning platform is located next to the third movable door, the upper ladder is connected between the first turning platform and the second turning platform, and the first lower ladder is connected between the second turning platform and the floor of the lower layer.

[0012] Preferably, the pedestrian walkways on all trains on the same track are located on the same side, and the pedestrian walkways of the fast trains and slow trains in the same group are located on different sides, so that the parallel slow trains and fast trains can synchronously exchange movable cars.

[0013] The present invention also provides an operation method of the above-mentioned grid-shaped rail transit system, comprising:

[0014] Set the running speed of fast trains, the running speed of slow trains and the stop time of slow trains at stations, and set the location models of all ordinary stations and line change stations;

[0015] Start all fast trains and slow trains to reach their respective set speeds; obtain the location of the target station and the current station that sends the location signal of the target station; output the driving route between the current station and the target station according to the location model;

[0016] The fast train and the slow train are controlled to run on their respective tracks according to the routes; the slow train is controlled to start and stop at the current station; the fast train is controlled to exchange movable cars with the slow train at the exchange position; the slow train is controlled to start and stop at the current station.

[0017] Compared with the related art, the present invention has the following beneficial effects:

[0018] 1. The rail lines of the grid-shaped rail transit system are basically straight lines, so that trains can run at a higher speed and it is convenient for parallel fast and slow trains to exchange movable cars;

[0019] Second, the train reversal position on each track line can be set at the outer end, away from the central urban area, with fewer location restrictions. In contrast, the radial lines of the existing rail transit system with loop-shaped transmission lines cannot be reversed at the inner end at the same scale;

[0020] 3. The grid-shaped rail lines formed by the grid-shaped rail transit system have a wider coverage area and can guide people to spread to the surrounding areas with less population. It can not only drive local economic development, alleviate population congestion in the central urban area, increase the urbanization rate, promote regional balanced development, but also improve the living environment, reduce private car travel, reduce carbon emissions, and have high social benefits;

[0021] 4. When traveling between any two points within the range, if the two points are not on the same trunk line, only one transfer is required, and any location is no more than 1.5km away from the nearest station, which makes transportation convenient and reduces people's willingness to drive. In addition to solving the current parking problem, people who go to multiple grids to handle business at one time do not have to return to the original station when they return after finishing their business. They can just get on the bus at the nearest station and return. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of the grid-shaped rail transit system provided by the present invention;

[0023] Figure 2 is a schematic diagram of the transfer between a fast train and a slow train (where a is state I, b is state II, c is state III, and d is state IV);

[0024] FIG3 is a schematic diagram of the newly added non-transfer train in FIG2 (where a is state I, b is state II, c is state III, and d is state IV);

[0025] Figure 4 The structural diagram of the train is shown in FIG.

[0026] Figure 5 A schematic diagram of the internal structure of a compartment in a train with the support frame in a folded state;

[0027] Figure 6 A schematic diagram of the internal structure of a compartment in a train with the support frame in an unfolded state;

[0028] Figure 7 It is a schematic diagram of the internal structure at both ends of the carriage;

[0029] Figure 8 It is a schematic diagram of the structure in which the support frames on two trains are connected;

[0030] Fig. 9 is a schematic diagram of the cooperation between the first wheel set and the first transverse rail;

[0031] Fig.10 is a schematic diagram of the cooperation between the second wheel set and the longitudinal track;

[0032] Fig.11 It is the first route from the current station to the target station;

[0033] Fig.12 The second travel route from the current station to the target station;

[0034] Fig.13 This is the third travel route from the current station to the target station. DETAILED DESCRIPTION

[0035] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0036] Embodiment 1

[0037] like Figure 1 As shown, a grid-shaped rail transit system provided in this embodiment includes a plurality of first rail lines U1-U11 and a plurality of second rail lines V1-V11 arranged vertically, and the plurality of first rail lines U1-U11 and the plurality of second rail lines V1-V11 are staggered horizontally and vertically to form a grid. A line-changing station 8 is set at the intersection of the first rail line and the second rail line, and an ordinary station 9 (non-line-changing station) is set on the rail line between adjacent line-changing stations 8. The two ends of the first rail line and the second rail line are return lines M, which are used for trains to adjust their directions and are also used for fast trains to accelerate so as to pass the first station at a predetermined speed.

[0038] The grid-like rail transit system is preferably arranged on an elevated structure, which can avoid dividing the urban ground and has lower construction costs compared to underground rail transit.

[0039] In this embodiment, the first track line and the second track line are each provided with four tracks 10, two of which form a group. FIG2 shows a group of tracks (two tracks), wherein a plurality of fast trains (A, B, C...) run on one track 10, and a plurality of slow trains (a, c, e...) run on the other track 10. The train runs from left to right, and the running directions of the two groups of tracks are opposite (e.g., one goes and one returns). Both the fast train and the slow train are provided with movable cars. The walking passages 4 of the fast train and the slow train on the same track line face opposite directions, and the fast train and the slow train on the same track line run in the same direction. When a running fast train is parallel to a running slow train, the slow train and the fast train realize the exchange of movable cars at the line change station.

[0040] The spacing between the multiple first track lines and the second track lines is 2-3km, and the fast trains and slow trains in the same set of tracks are distributed as follows: taking a pair of fast trains, slow trains and the intervals they are in that are being transferred as the zero point, the nth fast train in front exchanges a movable car with the nth slow train in the 3n-1 interval; the 0th fast train will exchange a movable car with the nth slow train in the 3n interval, where n is a positive integer. Slow trains stop at every station, while fast trains do not. The running time of slow trains in each interval (including moving time and stop time) is equal, and the running time of a fast train in three consecutive intervals is equal to the running time of a slow train in one interval. The three consecutive intervals include the interval for exchanging movable cars and two adjacent intervals in the direction of incoming vehicles.

[0041] As shown in Figure 2, ordinary stations and line change stations are the stations (S1, S2, ...) in Figure 2. Figure 2b In (state II), the fast train A is running parallel to the slow train a in section Q0, the fast train B is running parallel to the slow train c in section Q2, and the fast train C is running parallel to the slow train e in section Q4. Figure 2c As shown in (State III), it runs parallel to the slow train C in section Q3, and the fast train B runs parallel to the slow train E in section Q5. The fast train A then runs to Figure 2d As shown in (state IV), the fast train is parallel with the slow train e in section Q6. The fast train exchanges movable cars with the parallel slow train. This parallel mode is one embodiment. The fast train actually runs parallel with which slow train and in which section, according to the route calculated by the control system.

[0042] like Figure 4 As shown, both the slow train and the fast train include multiple carriages T. Figure 5 , Figure 6 As shown, the carriage T includes an upper floor 1 and a lower floor 2 located at the lower end of the upper floor 1. The lower floor 2 is a seating area, and the upper floor 1 is provided with a movable car 3. A pedestrian walkway 4 is connected to the ends on the same side of the upper floor 1 and the lower floor 2. The upper floor 1 is provided with two workstations 11 in the length direction of the carriage T, and the workstation 11 close to the pedestrian walkway 4 is a waiting workstation, and one of the two workstations 11 is used to input a movable car on another train, and the other is used to output a movable car on the train, so as to realize simultaneous exchange.

[0043] The movable car 3 includes a car body 31, a first wheel set 32, a second wheel set 33 and a first movable door 34. The first movable door 34 is arranged at both ends of the car body 31. A longitudinal track 13 extending along the length direction of the car T and a first transverse track 14 perpendicular to the longitudinal track 13 are arranged on the floor of the upper layer 1. A support frame 12 is hinged on one side wall of the upper layer 1, and the support frame 12 covers the two workstations 11. When two trains are parallel, the support frames 12 thereon are arranged close to each other. The support frame 12 includes a door panel 121 and a second transverse track 122 connected to the inner side of the door panel 121. The door panel 121 is hinged to the top frame of the lower layer 2, and the hinged door panel 121 can be folded or unfolded. When unfolded, the door panel 121 is placed horizontally, and the first transverse track 14 and the second transverse track 122 are located on the same horizontal line and are connected. When the door panel 121 is folded, the door panel 121 forms the side wall of the upper layer 1.

[0044] like Fig. 9 , Fig.10 As shown, the bottom of the vehicle body 31 is provided with a first wheel set 32 ​​and a second wheel set 33. The longitudinal rail 13, the first transverse rail 14 and the second transverse rail 122 are all U-shaped channel steels. The first wheel set 32 ​​and the second wheel set 33 are both provided with a lifting mechanism, the first wheel set 32 ​​moves on the longitudinal rail 13, and the second wheel set 33 moves on the first transverse rail 14 and the second transverse rail 122. When designing the structure, the lifting mechanisms on the first wheel set 32 ​​and the second wheel set 33 should restrain each other to avoid interference caused by the fall of one set when the other set is working.

[0045] like Figure 5 As shown, both ends of the carriage T are provided with third movable doors 6, and the third movable doors on the adjacent carriages T are provided correspondingly. A second movable door 5 is provided between the pedestrian passage 4 and the upper layer 1. The first movable door 34 and the second movable door 5 are provided correspondingly.

[0046] like Figure 7As shown, the pedestrian passage 4 includes a first turning platform 41, an upper ladder 42, a second turning platform 43 and a first lower ladder 44. The first turning platform 41 is located beside the second movable door 5, the second turning platform 43 is located beside the third movable door 6, the upper ladder 42 connects the first turning platform 41 and the second turning platform 43, and the first lower ladder 44 connects the second turning platform 43 and the floor of the lower layer 2. The third movable door 6 far away from the pedestrian passage 4 is connected to the floor of the lower layer 2 through the second lower ladder 7.

[0047] like Figure 8 As shown, when the two trains ab are parallel, the support plates 12 on the two cars T are unfolded, and the support frame 12a on the a train and the support frame 12b on the b train are butted and interlocked through the locking device. The first transverse rail 14a, the second transverse rail 122a, the second transverse rail 122b and the first transverse rail 14b are butted in sequence to form a transverse track, so that the movable car 3 can be exchanged transversely.

[0048] like Figure 4 As shown, the walking passages 4 on all trains on the same track are located on the same side, so that the movable cars 3 on the parallel slow train and the fast train are arranged one after the other (such as Figure 8 As shown in FIG. 1 , the movable cars 3 of the two cars are moved horizontally to the other train through their respective first transverse rails 14 and second transverse rails 122 to achieve synchronous exchange. The exchanged movable cars 3 are then returned to the waiting position along the longitudinal rails 13, which is convenient for passengers to return to the lower floor 2 from the movable cars 3.

[0049] The specific transfer (exchange of movable cars) process is as follows:

[0050] The exchange position is between the ordinary station and the line change station. When the exchange position is about to be reached, the movable car 3 is located at the waiting position, and the passengers in the lower layer 2 enter the movable car 3 from the walking passage 4 to wait for the transfer. The fast train and the slow train run parallel on the track line, and at this time, the support frames 12 of the two are docked. The first wheel group 32 is adapted to the first transverse rail 14, and the first wheel group 32 is started to enter the car of another train along the first transverse rail 14a, the second transverse rail 122a, the second transverse rail 122b and the first transverse rail 14b. At this time, the locking device is released and the support frame 12 is folded and retracted.

[0051] When the second wheel set 33 moves to the corresponding position of the longitudinal rail 13 through the sensor, the second wheel set 33 is lowered, the first wheel set 32 ​​is raised, the second wheel set 33 is adapted to the longitudinal rail 13, the second wheel set 33 is started, and the second wheel set 33 moves along the longitudinal rail 13, and the movable car 3 is placed in the waiting position. Passengers enter the lower layer 2 from the second movable door 5 of the movable car 3 and the walking passage 4.

[0052] In addition, the movable car 3 can also be realized by a sliding mechanism, a conveyor belt or other tracks and track wheels such as traction. In addition, the support frame 12 can also be realized by a horizontally movable mode to dock or shrink.

[0053] like Figure 5 , Figure 6 The carriage T shown only shows the frame. In actual application, a cover needs to be provided on the frame to improve normal safety and meet aerodynamic characteristics.

[0054] Embodiment 2

[0055] As shown in FIG3 , the first embodiment is repeated, except that, in this embodiment, a plurality of non-transfer trains (b, d, f...) are arranged on the track of the slow train, and the slow train in the first embodiment is a transfer slow train. The plurality of non-transfer trains (b, d, f...) are arranged alternately with the slow trains (a, c, e...). The additional plurality of non-transfer trains (b, d, f...) do not affect the exchange of movable cars (passenger transfer) between the transfer slow trains (a, c, e...) and the fast trains (A, B, C...), but only serve as a capacity supplement and do not participate in the transfer.

[0056] Embodiment 3

[0057] The present invention also provides an operation method of the above-mentioned grid rail transit system, comprising the following steps:

[0058] S1, set the running speed of fast trains, the running speed of slow trains and the stop time of slow trains at stations (including ordinary stations and line-changing stations), and set the location model of all ordinary stations and line-changing stations. The speed of fast trains is higher than that of slow trains, and fast trains do not stop at any station along the way.

[0059] S2, start all fast trains and slow trains to reach their respective set speeds; obtain the location of the target station (such as the corresponding track line and station) and the current station that sends the target station location signal (such as the corresponding track line and station); according to the location model, output the driving route between the current station and the target station.

[0060] The fast train and the slow train are controlled to run on their respective tracks according to the routes; the slow train is controlled to start and stop at the current station; the fast train is controlled to exchange movable cars with the slow train at the exchange position; the slow train is controlled to start and stop at the current station.

[0061] As shown in Figure 2, a fast train exchanges with a slow train in parallel every three sections. The starting positions of different exchange sections of other fast trains on the same track line are controlled to achieve fast and slow train exchanges in each section to cover all stations on the track line.

[0062] Embodiment 4

[0063] like Fig.11 As shown, the station spacing is set to 1500m, a grid is 3km×3km, and the distance between adjacent transfer stations and ordinary stations is 1.5km. Passengers who want to travel from P to R can select the following routes by themselves or according to the prompts of the ticket purchasing system.

[0064] Select four sections x1, x2, x3, and x4 for transfer (changing between fast trains and slow trains). Board an upward slow train from point P, and take the slow train to transfer to a fast train in section x1; take the fast train directly to section x2, and transfer to a slow train in section x2; take the slow train to the transfer station point N, transfer to a left slow train at point N, and take the slow train to transfer to a fast train in section x3; take the fast train directly to section x4, and transfer to a slow train in section x4; take the slow train to point R, the transfer station, and get off. Slow trains must stop at every station, and can exchange movable cars with fast trains when traveling at a stable transfer speed. Fast trains do not stop, and can exchange movable cars with slow trains when traveling at a transfer speed. The rest of the time, they can accelerate to the maximum speed. Taking the example of a 150-second interval for slow trains and a 100-second interval for fast trains, a transfer speed of 20 m / s and a high-speed express speed of 45 m / s, the calculation is based on the acceleration that satisfies the comfort level of passengers (average acceleration of 0.8 m / s 2 ) under the conditions of slow trains with an average speed of 36 km / h, which is equivalent to the existing rail transit travel speed, and fast trains with an average speed of 108 km / h. The above travel time is estimated as follows:

[0065] Passing 40 stations and changing lines once, the total distance is 1.5×40=60km. Taking only slow trains takes 60 / 36 hours + 1 change of line (N or W) for 3 minutes, about 103 minutes.

[0066] Board the slow train at P station, arrive at section x1 and transfer to the fast train, which takes 150s / 2=75s; transfer to the slow train at section x2, which takes 150s*6=900s; take the slow train at section x2 to N station, which takes 75s+150s=225s; the total time from P station to N station is 75+900+225=1200s; the line change at N station takes 180s. The time from N station to R station is the same as that from P station to N station, which is 1200s. Switch between fast and slow trains at sections x3 and x4. The total time is 1200*2+180=2580s=43min.

[0067] If we ignore the time for changing lines and switching between fast and slow trains, the slow train takes 60 / 36 hours, about 100 minutes, and the fast train takes 60 / 108 hours, about 36 minutes.

[0068] In comparison, the straight-line distance from P->R is about 42km. According to the existing rail transit layout and the travel speed of the train (the average travel speed is about 36km / h), even if there is a straight track between the two points and it can travel in a straight line, it will take 42 / 36 hours, about 70 minutes, which is much longer than the time taken by the technical solution of the present invention. It can be seen that although the present invention may increase the travel distance, it greatly improves the travel speed as a whole and saves the time on the way.

[0069] Embodiment 5

[0070] Repeat Example 4. If it is difficult to transfer at Station N or Station W (such as congestion), you can transfer at other stations, such as Fig.12 As shown, if you press P-->g4-->h4-->R, or press P-->e7-->f7-->R, the total distance remains unchanged, and only one line change is added. Obviously, you can also change lines at other convenient stations.

[0071] Embodiment 6

[0072] Passengers within the grid range, if their destination is Fig.13 In the upper left direction, you can get on the bus at station n based on the principle of minimum connecting distance, or you can choose other stations (such as k, l, e1, etc.) based on the principle of reducing the riding interval. At any point in the grid range, the distance to the nearest station is no more than 1.5 km.

[0073] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A grid-like rail transit system, It is characterized in that The railway comprises a plurality of first rail lines, a plurality of second rail lines, a plurality of fast trains and a plurality of slow trains, wherein the plurality of first rail lines and the plurality of second rail lines are crisscrossed horizontally and vertically to form a grid, a line-changing station is arranged at the intersection of the first rail line and the second rail line, and a common station is arranged between adjacent line-changing stations; Each of the first and second track lines is provided with four tracks, two of which form a group; a plurality of fast trains run on one track in the same group, and a plurality of slow trains run on the other track; the trains on the two groups of tracks run in opposite directions; both the fast trains and the slow trains are provided with movable cars; the ordinary stations and the line-changing stations are stops for slow trains; the fast trains and the slow trains on the same group of tracks run in the same direction; when a running fast train runs parallel to a running slow train and has the same speed, the slow train and the fast train exchange movable cars.

2. The grid-shaped rail transit system according to claim 1, It is characterized in that Turning lines for train reversal are arranged at the ends of the plurality of first track lines and the plurality of second track lines; the first track lines and the second track lines are located at different elevations.

3. The grid-shaped rail transit system according to claim 1, It is characterized in that The spacing between the multiple first rail lines and the second rail lines is 2-3km, and the fast trains and slow trains in the same set of tracks are distributed as follows: taking a pair of fast trains, slow trains and the section they are in that are being transferred as the zero point, the nth fast train in front exchanges a movable car with the nth slow train in the 3n-1 section; the 0th fast train will exchange a movable car with the nth slow train in the 3n section, where n is a positive integer.

4. The grid-shaped rail transit system according to claim 3, It is characterized in that A plurality of non-transfer trains are also arranged on the track of the slow train, and the plurality of non-transfer trains are arranged alternately with the slow train.

5. The grid-shaped rail transit system according to claim 1, It is characterized in that The slow train and the fast train both include carriages, the carriages include a lower floor, an upper floor located above the lower floor, and a pedestrian passage provided at the same end of the lower floor and the upper floor, the pedestrian passage connects the lower floor with the upper floor, and the movable car is located in the upper floor; A support frame that can be folded or unfolded is also provided. When a running fast train is parallel to a running slow train, the support frame is unfolded to connect the slow train and the fast train to form a connecting channel, and the movable car is exchanged to another train through the connecting channel.

6. The grid-shaped rail transit system according to claim 5, It is characterized in that The floor of the upper layer is provided with a longitudinal rail extending in the direction of train operation and a first transverse rail perpendicular to the longitudinal rail, the support frame is provided with a second transverse rail, and when the support frame is unfolded, the first transverse rail is connected with the second transverse rail; the bottom of the movable car is provided with a first wheel group moving on the longitudinal rail and a second wheel group moving on the first transverse rail and the second transverse rail.

7. The grid-shaped rail transit system according to claim 5, It is characterized in that A third movable door is provided at both ends of the carriage, and the third movable doors on adjacent carriages are arranged correspondingly; a second movable door is provided between the pedestrian passage and the upper layer, and a first movable door is provided at both ends of the movable car, and the first movable door and the second movable door are arranged correspondingly; the pedestrian passage includes a first turning platform, an upper ladder, a second turning platform and a first lower ladder, the first turning platform is located next to the second movable door, the second turning platform is located next to the third movable door, the upper ladder is connected between the first turning platform and the second turning platform, and the first lower ladder is connected between the second turning platform and the floor of the lower layer.

8. The grid-shaped rail transit system according to claim 5, It is characterized in that The pedestrian walkways on all trains on the same track are located on the same side, and the pedestrian walkways of the fast trains and slow trains in the same group are located on different sides, so that the parallel slow trains and fast trains can synchronously exchange movable cars.

9. A method for operating a grid-shaped rail transit system according to any one of claims 1 to 8, It is characterized in that include: Set the running speed of fast trains, the running speed of slow trains and the stop time of slow trains at stations, and set the location models of all ordinary stations and line change stations; Start all fast trains and slow trains to reach their respective set speeds; obtain the location of the target station and the current station that sends the location signal of the target station; According to the location model, output the driving route between the current station and the target station; The fast train and the slow train are controlled to run on their respective tracks according to the routes; the slow train is controlled to start and stop at the current station; the fast train is controlled to exchange movable cars with the slow train at the exchange position; the slow train is controlled to start and stop at the current station.

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