JP4680397B2 - Train lifting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a train lifting / lowering device that lifts and lowers a train in order to change trains between a track laid in an underground tunnel and a track laid on the ground.
[0002]
[Prior art]
A subway runs on a track composed of two rails laid in a tunnel, and when moving a vehicle from this tunnel to a station or vehicle base on the ground, generally a large slope (slope) Railroads are laid and transferred over a long distance.
[0003]
FIG. 5 shows an outline representing a connecting path between a conventional tunnel and the above-ground part. As shown in FIG. 5, a station building 102 is provided on the ground 101, while a tunnel 103 is constructed underground, and this tunnel 103 is connected to the ground via a slope 104. An escalator 105 for passengers is installed between the station building 102 and the tunnel 103, and a track 107 is laid from the tunnel 103 to the vehicle base 106 on the ground via the slope 104.
[0004]
Therefore, the train 108 traveling on the railroad track 107 of the tunnel 103 stops below the station building 102, and the passenger descends to the platform 109 and moves to the ground by the escalator 105, while the train 108 that has become empty when the passenger gets off the slope 108 Go out to the ground from 104 and drive to the vehicle base 106.
[0005]
[Problems to be solved by the invention]
As described above, conventionally, the train 108 stops at the platform 109 in the tunnel 103, and the passenger moves to the ground by the escalator 105, while the train 108 travels to the vehicle base 106 by the slope 104. However, in recent years, in large cities, tunnels for subways are often built in a deep underground area (40 to 50 m). In this case, a large number of escalators 105 for transporting passengers from the underground platform 109 to the ground must be provided, which greatly increases the construction cost and takes time for the passengers to move to the ground. Absent.
[0006]
Further, the slope of the slope 104 is restricted due to the climbing ability of the train 108, and the slope 104 requires a long distance, requiring a large space and increasing the cost.
[0007]
This invention solves such a problem, and it aims at providing the raising / lowering apparatus of the train which aimed at space saving and cost reduction.
[0008]
[Means for Solving the Problems]
The train lifting device according to the present invention for achieving the above-mentioned object is as follows.
In a train lifting device that lifts and lowers a train to change trains between a lower track laid in an underground tunnel and an upper track laid on the ground,
A communication hole communicating the underground tunnel with the ground;
An elevating frame that ascends and descends in the communication hole while guide supports fixed on both sides press both side walls of the communication hole;
A connection track supported by the lifting frame and connectable to an end of the lower track or an end of the upper track;
A winch that is installed on the ground and that winds and feeds the rope connected to the lifting frame;
An earth pressure support that moves up and down in the communication hole together with the elevating frame while pressing both side walls of the communication hole at both ends is provided.
[0009]
In addition, the lifting equipment of the train according to the present invention,
A plurality of earth pressure supports are disposed above and below the lifting frame,
The rope is connected to the lifting frame through the plurality of earth pressure supports arranged above the lifting frame,
Each of said earth pressure support each other are arranged below the lifting frame and the lifting frame, characterized by connecting at predetermined intervals by a connecting wire.
[0010]
In addition, the lifting equipment of the train according to the present invention,
A plurality of said soil pressure support that is positioned above the lift frame when raised to crossbeam across the upper end of the communication hole, after the connection between the rope is released, and characterized in that it is stacked in that position To do .
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0016]
FIG. 1 is a side view showing the overall configuration of the train lifting apparatus according to the first embodiment of the present invention, and FIG. 2 is a front view of the train lifting apparatus.
[0017]
In the train lifting apparatus of this embodiment, as shown in FIG. 1 and FIG. 2, a tunnel 11 is constructed in the underground portion, and a communication hole 13 that opens to communicate with the ground 12 is formed at the end of the tunnel. A station building 14 is constructed on the ground 12 above the communication hole 13. An underground track (lower track) 15 of the train 10 is laid in the tunnel 11, while a ground track (upper track) 16 connected to a vehicle base (not shown) is laid on the ground 12. In addition, an elevating frame 17 is supported in the communication hole 13 by an elevating device 18 which will be described later. A connecting line (connecting track) 19 is laid on the elevating frame 17, and an end of the underground line 15 or the ground line 16. It can be connected to the end of the.
[0018]
The lifting frame 17 has a frame shape in which a plurality of columns 21 are erected on both sides of a gantry 20 on which a connection line 19 is laid, and a cross beam 22 is connected to the upper end of each column 21. A plurality of vertical beam members 23 are fixed to the side walls on both sides of the communication hole 13, and a plurality of guide rails 24 along the vertical direction are fixed to the vertical beam members 23, and guides fixed to both sides of the lifting frame 17. When the member 25 is movably fitted to the guide rail 24, the lifting frame 17 is supported so as to be able to move up and down in the communication hole 13 along the guide rail 24.
[0019]
Further, in the lifting device 18, the station building 14 is provided with a column 26 and a cross beam 27 so as to straddle the communication hole 13, and a platform 28 is provided on both sides thereof. A plurality of winches 29 are arranged in parallel on the outside of each home 28, and a pulley 30 is attached to the cross beam 27 corresponding to each winch 29. A wire 31 is guided into the communication hole 13 via the pulley 30, and an end portion is connected to the elevating frame 17. Therefore, the elevating frame 17 can be raised by driving the winches 29 synchronously and winding the wire 31, while the elevating frame 17 can be lowered by feeding the wire 31.
[0020]
Further, the communication hole 13 is formed by excavating a rectangular cross section up to 40-50 m underground, and a great earth pressure acts on the left and right side walls. Therefore, in order to prevent the side wall from collapsing due to the earth pressure, a beam device 32 is provided. In this cutting beam device 32, a plurality of hydraulic jacks 33 are embedded in one side wall in a horizontal state along the vertical direction and the left-right direction, and the other side wall is disposed at the tip of a drive rod 34 as a movable beam. A support plate 35 that protrudes and can be pressed is fixed so as to avoid the guide rail 24, the wire 31, and the like. Therefore, in a portion where the elevating frame 17 is not positioned, each hydraulic jack 33 is extended to extend the drive rod 34, and the support plate 35 is pressed against the vertical beam member 23 on the side wall, thereby receiving a large earth pressure. The collapse of the side wall can be prevented.
[0021]
A stopper device 36 that receives the load of the elevating frame 17 that has risen to the ground 11 is provided at the upper end of the vertical beam member 23 on each side wall. Further, the train 10 that can be supported on the connection track 19 of the lifting frame 17 is a four-car train, and it is preferable that the above-mentioned support column 21 is provided corresponding to the position of the wheel of the train 10 and the lifting device. Each of the 18 wires 31 is preferably connected to the position of the column 21.
[0022]
Moreover, although not shown in figure, the transmission line which is not shown in figure which sends electric power to the train 10 via a pantograph is supported above each track | line 15,16,19. Further, the train 10 or the lifting frame 17 is provided with a rail clamp (not shown) that prevents the train 10 from moving relative to the connection line 19.
[0023]
Here, the operation | work which transfers the train 10 which carried the passenger in the tunnel 11 to the ground 12 via the raising / lowering flame | frame 17 using the train raising / lowering apparatus of this embodiment comprised in this way is demonstrated.
[0024]
First, the elevating frame 17 is moved to the lowered position in the communication hole 13, the connection line 19 is connected to the end of the underground line 15, and the train 10 is run in this state to transfer from the underground line 15 to the connection line 19. , Stop at a predetermined position. Here, the train 10 is restrained so as not to move to the connection line 19 by the rail clamp. Next, the winch 29 is driven by each drive motor (not shown) and the wire 31 is wound up at a predetermined speed, whereby the elevating frame 17 is pulled and raised. At this time, the load of the train 10 is supported by the plurality of wires 31 from the gantry 20 of the elevating frame 17 via the support column 21, and the elevating frame 17 is not deformed, and the train 10 on the connection line 19 is stabilized. Sufficient safety is ensured.
[0025]
A plurality of stroke sensors (not shown) are attached along the front-rear direction of the lifting frame 17, and each stroke sensor detects the lifting position of the lifting frame 17, and the control device has the lifting position of each lifting frame at the same position. Thus, the drive motor of each winch 29 is tuned and controlled, and the train 10 can be stably supported horizontally.
[0026]
In addition, the drive rods 34 of the plurality of hydraulic jacks 33 extend into the communication holes 13 where the elevating frame 17 ascends, and the support plate 35 presses against the vertical beam members 23 on the side walls to receive the earth pressure. Therefore, when the elevating frame 17 rises and approaches the drive rod 34, the drive rod 34 of the corresponding hydraulic jack 33 contracts based on the detection value of the stroke sensor, thereby preventing the elevating frame 17 from colliding. Then, after passing through the lifting frame 17, the drive rod 34 of the hydraulic jack 33 is extended again to press the support plate 35 against the longitudinal beam member 23 to receive earth pressure.
[0027]
When the elevating frame 17 reaches a predetermined ascending position based on the detection value of each stroke sensor, the control device stops the drive motor and stops towing by the winch 29. At this time, the connection line 19 and the ground line 16 have the same height, and the connection line 19 is connected to the end of the ground line 16. At this time, the train 10 is subjected to a load more than its own weight due to traveling vibration or the like, but the load is received by the stopper device 36 by operating the stopper device 36, and a large stress is constantly applied to the wire 31. Does not work and prevents damage.
[0028]
Here, after opening the door of the train 10 and lowering the passenger to the platform 28, the restraint of the train 10 by the rail clamp is released, and the train 10 travels and is transferred from the connection line 19 to the ground line 16, and the vehicle base To run.
[0029]
The operation of transferring the train 10 from the underground line 15 in the tunnel 11 to the connection line 19 of the lifting frame 17 and moving the lifting frame 17 up to the ground line 16 has been described. Can be transferred from the ground line 16 to the connection line 19, and the elevating frame 17 can be lowered to transfer from the connection line 19 to the underground line 11 in the tunnel 11.
[0030]
As described above, in the train lifting apparatus of the present embodiment, the ground line 16 laid on the ground 12 via the connection line 19 of the lifting frame 17 that can freely move the train 10 on the underground line 15 of the tunnel 11. Can be easily transported. In this case, the length of the elevating frame 17 and the connection line 19 only needs to be substantially the same as the length of the train 10, and the site is tens of times longer than the length of the train 10 like a conventional connection slope. Is not required.
[0031]
Moreover, it is not necessary to arrange | position the passenger escalator from the underground to the ground by raising the train 10 in the tunnel 11 to the ground 12 with passengers on it, and the equipment cost can be reduced. Furthermore, sufficient safety can be ensured by providing the communication device 13 with the beam device 32 for preventing the side wall from collapsing due to earth pressure.
[0032]
FIG. 3 shows a front view of a train lifting apparatus according to the second embodiment of the present invention. In the train lifting device of the second embodiment, the configuration of the beam means is changed with respect to the train lifting device of the first embodiment, and the other configurations are the same as those described in the previous embodiment. The overlapping description is omitted.
[0033]
In the train lifting apparatus of the second embodiment, as shown in FIG. 3, the tunnel 11 in the underground portion communicates with the station building 14 on the ground 12 through the communication hole 13, and the underground line 15 of the train 10 is connected to the tunnel 11. On the other hand, a ground line 16 is laid on the ground 12, a connection line 19 is laid on a lifting frame 17 of the communication hole 13, and is supported by a lifting device 18 so as to be lifted and lowered. That is, a plurality of vertical beam members 23 are fixed to the side walls on both sides of the communication hole 13, and a plurality of guide rails 41 along the vertical direction are fixed to the vertical beam members 23, and are fixed to both sides of the lifting frame 17. The guide support 42 is movably supported while pressing the guide rail 41 (vertical beam member 23).
[0034]
The elevating frame 17 is connected with a beam device 43 to prevent the side wall from collapsing due to earth pressure. In the beam device 43, a plurality of earth pressure supports 44 are arranged in the upper and lower communication holes 13 in the upper and lower directions in the vertical direction, and each end of each earth pressure support 44 is arranged. A guide support 45 is fixed to the portion, and each guide support 45 is supported movably while pressing the guide rail 41 (vertical beam member 23). Each earth pressure support 44 between the lower and the lifting frame 17 is connected with a predetermined distance by a connecting wire 46. The wire 31 fed from the winch 29 constituting the lifting device 18 is guided into the communication hole 13 through the pulley 30 and connected to each earth pressure support 44 and its end is connected to the lifting frame 17. ing.
[0035]
Accordingly, when each winch 29 is driven synchronously to wind the wire 31, the earth pressure support 44 and the lifting frame 17 can be raised, while when the wire 31 is unwound, it can be lowered, and the communication hole 13, the elevating frame 17 and the earth pressure supports 44 are located, so that the guide supports 42 and 45 press against the vertical beam members 23 on the side walls to receive a great earth pressure and cause the side walls to collapse. Can be blocked.
[0036]
In the train lifting apparatus configured as described above, the lifting frame 17 is moved to the lowered position in the communication hole 13, the connection line 19 is connected to the end of the underground line 15, and the train 10 is run in this state. Transfer from the underground line 15 to the connection line 19 and stop at a predetermined position. Then, the winch 29 is driven to wind the wire 31 at a predetermined speed, whereby the elevating frame 17 is pulled and raised through the earth pressure support 44. At this time, each upper earth pressure support 44 is disconnected from the wire 31 at the position of the cross beam 27 and stacked at that position, and only the wire 31 is wound up. On the other hand, each earth pressure support 44 on the lower side rises at a predetermined interval as the elevating frame 17 rises, and sequentially receives the earth pressure.
[0037]
When the elevating frame 17 comes to a predetermined ascending position , the winch 29 is stopped and the connection line 19 is connected to the end of the ground line 16. Here, after opening the door of the train 10 and lowering the passenger to the platform 28, the restraint of the train 10 by the rail clamp is released, and the train 10 travels and is transferred from the connection line 19 to the ground line 16, and the vehicle base To run.
[0038]
As described above, in the train lifting device of this embodiment, the earth pressure support 44 is supported in the upper and lower communication holes 13 so as to be movable in a plurality of horizontal directions along the vertical direction, and the winch 29 is supported. The wire 31 fed out from is connected to the elevating frame 17 via the upper earth pressure support 44 and is connected to the lower earth pressure support 44 via the connecting wire 46 to the elevating frame 17 to connect the beam device 43. By comprising, regardless of the raising / lowering position of the train 10 put on the raising / lowering frame 17, collapse of the side wall by earth pressure can be reliably prevented by this beam device 43, and safety improves.
[0039]
FIG. 4 is a front view showing a train lifting apparatus according to the third embodiment of the present invention. In the train lifting device of the third embodiment, the configuration of the lifting means is changed with respect to the train lifting device of the first embodiment, and the other configurations are the same as those described in the previous embodiment. A duplicate description is omitted.
[0040]
In the train elevating apparatus of the third embodiment, as shown in FIG. 4, the tunnel 11 in the underground portion communicates with the station building 14 on the ground 12 through the communication hole 13, and the underground line 15 of the train 10 is connected to the tunnel 11. On the other hand, the ground line 16 is laid on the ground 12, the connection line 19 is laid on the elevating frame 17 of the communication hole 13, and is supported by the elevating device 51 so as to be movable up and down.
[0041]
The elevating frame 17 is supported by each guide rail 24 fixed to the longitudinal beam member 23 so as to be movable through the guide member 25 so that the elevating frame 17 can be raised and lowered in the communication hole 13. In the lifting device 51, a plurality of paired left and right hydraulic cylinders 52 are assembled at the lower portion of the communication hole 13, and a plurality of link mechanisms 53 in which a plurality of links are rotatably assembled in an X shape. The lower end portion is connected to the hydraulic cylinder 52 and the upper end portion is connected to the lifting frame 17. Therefore, the elevating frame 17 can be moved up and down by driving the hydraulic cylinders 52 synchronously and operating the link mechanism 53.
[0042]
Therefore, by providing the lifting device 51 of the lifting frame 17 in the basement without exposing it to the ground 12, the structure can be simplified and the appearance quality can be improved.
[0043]
In the above-described embodiment, the elevating means for elevating the elevating frame 17 is configured by the winch 29, the wire 31, the hydraulic cylinder, and the link mechanism. However, the present invention is not limited thereto, and for example, a ball screw mechanism may be configured. In addition, the beam cutting device that prevents the collapse of the side wall of the communication hole 13 due to earth pressure is composed of the hydraulic jack 33, the support plate 35, and the earth pressure support. However, the present invention is not limited to this, for example, the thickness of the side wall of the communication hole 13 You may make it ensure enough.
[0044]
Furthermore, in the above-described embodiment, the train 10 can be transferred between the underground line 15 of the tunnel 11 and the ground line 16 via the connection line 19 of the lifting frame 17 that can move up and down the communication hole 13. While constructing the first tunnel in the deep underground and laying the underground line, construct the second tunnel and laying the underground line at a depth of about the first basement level, and connect the first tunnel and the second tunnel The escalator for passengers is provided between the second tunnel and the ground, and the train is connected to the first tunnel by laying a connection line with the elevating frame supported by the elevating device. It may be possible to transport between the first tunnel and the second tunnel through a communication hole. In this case, although one passenger escalator is required, ground equipment such as a lifting device can be arranged underground.
[0045]
【The invention's effect】
As described above in detail in the embodiment, according to the train lifting apparatus according to the present invention , the lifting frame is supported by the lifting means in the communication hole that communicates the underground tunnel and the ground, and the lifting and lowering is supported. Since the connection track that can be connected to the end of the lower track of the underground tunnel or the end of the upper track on the ground is provided in the frame, the train can be transported between the ground and the underground in a smaller space than the conventional connection slope. Thus, space saving and cost reduction can be achieved.
[0046]
Further, according to the train lifting device according to the present invention , the lifting means is arranged on the side wall of the communication hole and supports the lifting frame so as to be movable up and down, the winch installed on the ground, the winch Since it was comprised with the rope extended | stretched and connected with the raising / lowering flame | frame, a train can be supported stably and safety can be improved.
[0047]
Further, according to the train lifting apparatus according to the present invention , the lifting means is disposed on the side wall of the communication hole and supports the lifting frame so as to be movable up and down, and the hydraulic pressure standing on the lower part of the communication hole. Since the cylinder and the link mechanism connected to the hydraulic cylinder are used, the structure can be simplified and the appearance quality can be improved by providing the elevating means in the basement without exposing it to the ground.
[0048]
Moreover, according to the train lifting / lowering apparatus according to the present invention, since the beam device for preventing the side wall from collapsing due to earth pressure is provided in the communication hole, sufficient safety of the train can be ensured.
[0049]
Further, according to the train lifting and lowering apparatus according to the present invention , the cutting beam device is a movable beam that can be extended to the other side wall by a hydraulic jack provided on one side wall, and a plurality of the beam devices are arranged along the vertical direction in the communication hole. Because it is installed, the safety of the train can be improved with a simple structure.
[0050]
Further, according to the train lifting device according to the present invention , the beam cutting device is an earth pressure support that is supported so as to be movable up and down together with the lifting frame while pressing the side walls, and above and below the lifting frame. Since a plurality of the rails are arranged, the safety of the train can be ensured regardless of the lift position of the lift frame.
[0051]
Further, according to the train lifting device according to the present invention, since the load receiving means for receiving the load of the lifting frame is provided when the lifting frame is stopped, a load exceeding its own weight due to running vibration or the like at the rising position of the train is connected. This load is received on the ground via the load receiving means, and it is possible to reliably prevent damage without applying a large stress to the lifting means.
[Brief description of the drawings]
FIG. 1 is a side view showing the overall configuration of a train lifting / lowering apparatus according to a first embodiment of the present invention.
FIG. 2 is a front view of a train lifting device.
FIG. 3 is a front view showing a train lifting apparatus according to a second embodiment of the present invention.
FIG. 4 is a front view showing a train elevating device according to a third embodiment of the present invention.
FIG. 5 is a schematic diagram showing a connecting path between a conventional tunnel and the above-ground part.
[Explanation of symbols]
10 Train 11 Tunnel 12 Above ground 13 Communication hole 14 Station building 15 Underground track (lower track)
16 Ground track (upper track)
17 Lifting frames 18, 51 Lifting device 19 Connection line (connection track)
24 guide rail 29 winch 31 wire (wire)
32, 43 Cutting beam device 33 Hydraulic jack 35 Support plate 36 Stopper device (load receiving means)
44 Earth pressure support

Claims (3)

In a train lifting device that lifts and lowers a train to change trains between a lower track laid in an underground tunnel and an upper track laid on the ground,
A communication hole communicating the underground tunnel with the ground;
An elevating frame that ascends and descends in the communication hole while guide supports fixed on both sides press both side walls of the communication hole;
A connection track supported by the lifting frame and connectable to an end of the lower track or an end of the upper track;
A winch that is installed on the ground and that winds and feeds the rope connected to the lifting frame;
An elevating device for a train, comprising: earth pressure support that moves up and down with the elevating frame in the communication hole while both end portions press both side walls of the communication hole . The train lifting device according to claim 1,
A plurality of earth pressure supports are disposed above and below the lifting frame,
The rope is connected to the lifting frame through the plurality of earth pressure supports arranged above the lifting frame,
A train lifting device, wherein the lifting frame and the earth pressure supports arranged below the lifting frame are connected to each other at a predetermined interval by a connecting wire. In the train lifting device according to claim 2,
When the plurality of earth pressure supports arranged above the elevating frame are raised to a cross beam straddling the upper end of the communication hole, the connection with the rope is released and then stacked at that position. Train lifting equipment.

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