Shared rail transit system

Abstract

The present invention discloses a novel shared rail transit system, including a track box girder buried under the road surface, a running device and a connecting device, wherein the running device is installed in the track box girder and can run along the track box girder, a connecting seam is provided on the top of the track box girder along its length direction, the connecting device extends to the outside of the track box girder through the connecting seam for connection with a vehicle, and the connecting device is connected to the running device and can be driven by the running device to run along the connecting seam. In the present invention, the track box girder is buried in the road surface, so that the entire road surface is flat, and the shared rail transit system of the present invention does not need to lay conventional rails on the road surface, and designs an underground track box girder running system, guides the vehicle to travel through the connecting device, avoids the occupation of the road by traditional rails, improves the efficiency of urban public space resource utilization, and reduces the engineering costs related to civil engineering and electromechanical systems; and the vehicle can be separated from the bogie, effectively extending the service life of the bogie and effectively reducing the vehicle purchase cost.

Description

Technical Field

[0001] The present invention relates to the technical field of bridges, and in particular to a shared rail transit system. Background Art

[0002] Urban rail transit is an urban public passenger transportation system that uses dedicated rails for guidance and operation. It includes subways, light rails, monorails, trams, maglevs, etc. It has the advantages of safety, efficiency, punctuality, energy saving and environmental protection. However, the high construction cost is the primary factor restricting its widespread application. Taking the subway as an example, the cost per kilometer in some cities even exceeds 1 billion yuan. Civil construction costs, electromechanical system costs, and vehicle costs account for about 70% of the total construction cost of the subway. If the stations are simplified or cancelled, and the existing road resources are used to the maximum extent to lay tracks, the civil construction and electromechanical system costs will be greatly reduced.

[0003] Therefore, in order to solve the above problems, a shared rail transit system is needed that can utilize existing road resources to lay the track system. There is no need to lay traditional tracks on the road surface, thus avoiding the occupation of road space by traditional steel rails, improving the utilization efficiency of urban public space resources, and reducing the investment costs of civil engineering and electromechanical systems. Summary of the invention

[0004] In view of this, the present invention provides a shared rail transit system that can utilize existing road resources to lay a track system without laying traditional tracks on the road surface, thus avoiding the occupation of road space by traditional rails, improving the utilization efficiency of urban public space resources, and reducing the investment cost of civil engineering and electromechanical systems.

[0005] The shared rail transit system of the present invention comprises a rail box girder buried under the road surface, a running device and a connecting device. The running device is installed in the rail box girder and can run along the rail box girder. A connecting seam is provided on the top of the rail box girder along its length direction. The connecting device extends to the outside of the rail box girder through the connecting seam for connection with a vehicle. The connecting device is connected to the running device and can be driven by the running device to run along the connecting seam.

[0006] Furthermore, the traveling device includes a traveling frame located inside the track box beam, a traveling driving component installed on the traveling frame for driving the traveling frame to travel along the track box beam, and a guide wheel installed on the traveling frame, wherein the guide wheel is rollingly supported on the inner wall of the track box beam for guiding the traveling frame to travel along the track box beam with a single degree of freedom.

[0007] Furthermore, the track box beam has a rectangular cross section, and chamfered guide walls are arranged at the four corners of the track box beam. Four groups of guide wheels are arranged and are respectively pressed on each guide wall and rollingly cooperate with the guide wall.

[0008] Furthermore, a drainage box with an open top is provided at the top of the inner cavity of the track box girder, the open end of the drainage box is located directly below the connecting seam, a through hole is provided on the side wall of the drainage box, the connecting device extends vertically to the drainage box through the connecting seam and then bends and extends through the through hole to the outside of the drainage box to be connected to the walking frame, and a drainage port connected to the outside of the track box girder is provided at the bottom of the drainage box.

[0009] Furthermore, the front and rear sides of the walking frame are respectively connected to a longitudinal brace, the upper side of the longitudinal brace is connected to an upper cross brace, and the lower side is connected to a lower cross brace, the guide wheels are rotatably installed at both ends of the upper cross brace and the lower cross brace, the guide wheels at both ends of the upper cross brace are respectively matched with the two guide walls located above, and the guide wheels at both ends of the lower cross brace are respectively matched with the two guide walls located below.

[0010] Furthermore, the guide wheel is vertically pressed on the guide wall.

[0011] Furthermore, the walking frame is a frame structure and is a hexagon with horizontal upper and lower sides in the transverse projection plane. The front and rear sides of the walking frame protrude longitudinally outward and are connected to the longitudinal support. The walking drive component is fully or partially installed in the inner cavity of the walking frame.

[0012] Furthermore, sealing members are provided on both sides of the connection seam, and the connection member extends outside the track box beam through between the two sealing members, and the two sealing members are elastically spliced ​​transversely to seal the connection seam.

[0013] Furthermore, both ends of the upper cross brace and the lower cross brace are connected with diagonal braces, the diagonal braces are perpendicular to the adjacent guide walls, and the guide wheels are mounted on the diagonal braces.

[0014] Furthermore, the through hole is opened at the upper middle position of the side wall of the drainage box, and the bottom of the through hole is horizontally connected to a water baffle.

[0015] Beneficial effects of the present invention:

[0016] In the present invention, the track box girder is buried in the road surface, so that the entire road surface is flat, there is no need to lay extra rails on the road surface or set up corresponding auxiliary devices above the road surface, and an underground track box girder running system is designed to guide the vehicle to travel through a connecting device, thereby avoiding the occupation of the road itself and the space above the road by traditional rails and auxiliary devices, thereby improving the efficiency of urban public space resource utilization, and there is no need to set up a special station, which is convenient for stopping at any time, reducing the engineering costs related to civil engineering and electromechanical systems; in addition, in the transportation system of this structure, the vehicle and the bogie can be separated, which effectively prolongs the service life of the bogie and effectively reduces the vehicle purchase cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure;

[0020] Figure 3 It is a schematic diagram of the local structure;

[0021] Figure 4 It is a schematic diagram of the walking device structure; DETAILED DESCRIPTION

[0022] As shown in the figure: the shared rail transit system of this embodiment includes a track box girder 1 buried under the road surface, a running device 2 and a connecting device 6. The running device is installed in the track box girder and can run along the track box girder. A connecting seam is opened on the top of the track box girder along its length direction. The connecting device extends to the outside of the track box girder through the connecting seam for connection with the carrier 7. The connecting device is connected to the running device and can be driven by the running device to run along the connecting seam. The box girder here refers to a beam structure with a hollow cross-section, and the specific cross-section can be a circular, rectangular or other polygonal structure. A running device or other components can be installed inside the box girder. The vehicle can be an existing car or a special vehicle. The vehicle itself can carry a power system or may not carry a power system. When the vehicle itself carries a power system, the connecting device and the vehicle are a detachable connection structure. When the vehicle needs to run along the rail transit, the connecting device is connected to the vehicle and the vehicle is towed by the running device. When the vehicle reaches the predetermined destination and needs to walk freely, the connecting device is disconnected from the vehicle, and the vehicle runs through its own power system. When the vehicle does not carry a power system, the vehicle and the connecting device are permanently connected. The connecting device is in a connected state, and the vehicle is pulled to walk by the walking device; the connecting device can be set to a telescopic structure. When it needs to be connected to the vehicle, the connecting device extends to the outside of the track box beam, and when it does not need to be connected, it is retracted into the inside of the track box beam. The connecting device can directly pull or detach the vehicle to provide driving force and braking force for the vehicle, or the connecting device can also provide power or communication information for the vehicle. The connecting device has a wireless communication or wired communication interface, and also has a power supply interface. The vehicle receives signals through the communication interface and receives electrical energy through the power supply interface to provide power for the vehicle; the walking device can be driven by electric wheels or magnetic force, and in this embodiment, electric drive is preferably used to convert the rotational motion of the motor into the linear motion of the walking device;

[0023] The track box girder can be directly buried in the road surface or installed on the road surface. Figure 2As shown, in this embodiment, the track box girder is preferably buried in the road surface, and a joint corresponding to the connection joint is also reserved on the corresponding road surface. The vehicle is towed and travels on the road surface through a connecting device. This arrangement structure makes the entire road surface smooth. In addition, the shared rail transit system of the present invention does not require laying conventional rails on the road surface. An underground track box girder running system is designed, and the vehicle is guided to travel through a connecting device, thereby avoiding the occupation of roads by traditional rails, improving the utilization efficiency of urban public space resources, and reducing the engineering costs related to civil engineering and electromechanical systems. In addition, the vehicle is separated from the bogie, which effectively extends the service life of the bogie and effectively reduces the vehicle purchase cost.

[0024] In this embodiment, the walking device includes a walking frame 11 located inside the track box girder, a walking drive component 5 installed on the walking frame for driving the walking frame to move along the track box girder, and a guide wheel 10 installed on the walking frame. The guide wheel is rollingly supported on the inner wall of the track box girder and is used to guide the walking frame to move along the track box girder with a single degree of freedom. The single-degree-of-freedom walking here refers to walking along the extension direction of the track box girder. When the track box girder is a straight section, the walking frame is guided to walk in a straight line. When the track box girder is a curved section, the walking frame is guided to walk along the curve accordingly. The function of the guide wheel is to guide the walking frame to ensure the walking stability of the walking frame, so that the walking frame walks along the preset track, and ensures that the walking frame does not deflect circumferentially on the track box girder, thereby making the connecting device and the connecting seam cooperate stably without lateral interference or collision, so as to form a stable and high-precision guiding effect on the vehicle. The guiding function formed by the guide wheel ensures that the walking frame always remains inside the track box girder and runs according to the predetermined route, so that the vehicle also has the same running trajectory. During the operation, the walking guide wheel rolls in contact with the inner wall of the track box girder to ensure that the entire walking device has no risk of overturning.

[0025] The travel drive member may be a motor that directly drives the guide wheel to rotate, or the travel drive member may be a set of drive systems independent of the guide wheel, which may be a drive system formed by a gear and a rack in conjunction with a motor, or may be a drive system formed by a ratchet, a chain and a motor. In this embodiment, a gear and rack transmission structure 3 is used in conjunction with a motor to drive the gear to rotate to form a travel drive member, wherein the rack is installed at the bottom of the inner cavity of the track box beam, the gear rotation is coordinated with the installation on the walking frame and meshes with the rack, and the traction motor drives the gear to rotate so that the gear rolls along the rack. In addition, a power supply device 4 is installed on the side of the inner cavity of the track box beam, and a power supply device is installed on the walking frame. The power supply device contacts the contact line of the power supply device to obtain power, and the other end of the power supply device is connected to the traction inverter unit, and the traction inverter unit is connected to the traction motor. The traction motor adopts a linear motor, a permanent magnet drive motor or a three-phase asynchronous motor;

[0026] A brake system is also installed on the traveling frame, wherein the brake system includes a brake mounting crossbeam, a brake caliper, a brake cylinder and a brake pad installed on the traveling frame. The brake system adopts a known structure and will not be described in detail.

[0027] In addition, a control system is integrated on the traveling frame. The vehicle can issue instructions, which are transmitted to the control system through a connecting device. The control system parses different instructions and transmits them to the traveling drive components. The traction inverter unit then executes the starting, braking, and speed regulation functions of the traction motor according to the instructions, and feeds back the information to the vehicle in real time.

[0028] In this embodiment, the track box beam has a rectangular cross section, and chamfered guide walls are provided at the four corners of the track box beam. Four groups of guide wheels are provided and are respectively pressed on each guide wall and roll with the guide wall. Figure 2 As shown, the four guide walls are centrally symmetrically distributed and supported on the guide walls by four sets of guide wheels, so as to guide, support and stabilize the entire system.

[0029] In this embodiment, a drainage box with an opening at the top is provided at the top of the inner cavity of the track box beam. The opening end of the drainage box is located directly below the connection seam. A through hole is provided on the side wall of the drainage box. The connection device extends vertically to the drainage box through the connection seam and then bends and extends to the outside of the drainage box through the through hole to connect with the walking frame. A drainage port is provided at the bottom of the drainage box to communicate with the outside of the track box beam. Figure 3 As shown, the water that penetrates from the outside through the connection seam flows into the drainage box and is directly discharged to the outside of the track box girder through the drainage port. A drainage ditch should be set up at the bottom of the buried position of the track box girder; the side openings of the drainage box facilitate the installation of the connection device without affecting the water storage function of the drainage box.

[0030] In this embodiment, the front and rear sides of the walking frame are connected to longitudinal braces, the upper side of the longitudinal brace is connected to an upper cross brace, and the lower side is connected to a lower cross brace. The guide wheels are rotatably mounted on both ends of the upper cross brace and the lower cross brace. The guide wheels at both ends of the upper cross brace are respectively matched with the two guide walls located above, and the guide wheels at both ends of the lower cross brace are respectively matched with the two guide walls located below. The longitudinal direction is consistent with the length direction of the track box beam, and the transverse direction is the horizontal direction perpendicular to the longitudinal direction. Figure 4 As shown, two transversely arranged longitudinal braces are connected to the front and rear sides of the walking frame respectively. The arrangement of the upper transverse brace and the lower transverse brace facilitates the installation of eight guide wheels, and each guide wheel is arranged around the walking frame, which helps to improve the support and guiding effect of the walking frame.

[0031] In this embodiment, the guide wheel is vertically pressed on the guide wall. The guide wheel is perpendicular to the guide wall of the track box beam and can only roll longitudinally along the guide wall. During the running process of the system, the guide wheel contacts the guide wall of the track box beam and generates a certain pressure, which plays a role in guiding, supporting and stabilizing the entire system.

[0032] In this embodiment, the walking frame 11 is a frame structure and is a hexagon with horizontal upper and lower sides in the transverse projection plane. The front and rear sides of the walking frame 11 protrude longitudinally outward and are connected to the longitudinal support. The walking drive member 5 is fully or partially installed in the inner cavity of the walking frame 11. Figure 1 and Figure 4 As shown, the traveling frame is a flat structure, which is adapted to the inner cavity of the track box beam, and the hexagonal structure of the traveling frame makes its front and rear sides protrude outward, which is beneficial to increase the wheelbase of the front and rear guide wheels and improve the stability of the entire traveling device. In addition, the traveling frame is a frame structure, and its interior is conducive to the installation of traveling drive components. The top and bottom of the traveling frame are both horizontal structures, which is conducive to the installation of the connecting device and also facilitates the arrangement of the drive components.

[0033] In this embodiment, sealing members 8 are provided on both sides of the connection seam, and the connection member extends to the outside of the track box beam between the two sealing members, and the two sealing members are elastically spliced ​​transversely to seal the connection seam. The sealing member can prevent foreign matter from invading the track box beam, and the sealing member can also be a brush or a sealing strip. The track box beam sealing structure is located at the upper part of the track box beam, and the sealing structure wraps the connection member. As the connection member moves, the connection member opens the two sealing members, and the sealing member and the connection member are sealed and fitted, and the two sealing members are sealed and fitted to each other or to the connection member through their own elastic deformation.

[0034] In this embodiment, the upper and lower cross braces are connected at both ends with diagonal braces, the diagonal braces are perpendicular to the adjacent guide walls, and the guide wheels are mounted on the diagonal braces. Figure 4 As shown, the installation of the guide wheel is facilitated by the provision of the diagonal brace.

[0035] In this embodiment, the through hole is opened at the upper middle position of the side wall of the drainage box, and the bottom of the through hole is horizontally connected to a water baffle. Figure 3 As shown, the bottom of the through hole has a set distance from the bottom of the drainage box to prevent the accumulated water in the drainage box from overflowing through the through hole. The water baffle is blocked below the bending part of the connecting piece. The water baffle should have a guide slope inclined inward to guide the water to flow to the through hole. The setting of the water baffle is conducive to collecting the leaked water in the drainage box.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A shared rail transit system, characterized in that: It comprises a track box girder buried under the road surface, a running device and a connecting device, wherein the running device is installed in the track box girder and can run along the track box girder, a connecting seam is provided on the top of the track box girder along its length direction, the connecting device extends to the outside of the track box girder through the connecting seam for connecting with the carrier, and the connecting device is connected to the running device and can be driven by the running device to run along the connecting seam; The walking device comprises a walking frame located inside the track box beam, a walking driving member installed on the walking frame for driving the walking frame to walk along the track box beam, and a guide wheel installed on the walking frame, wherein the guide wheel is rollingly supported on the inner wall of the track box beam for guiding the walking frame to walk along the track box beam with a single degree of freedom; The track box beam has a rectangular cross section, and chamfered guide walls are arranged at the four corners of the track box beam. Four groups of guide wheels are arranged and are respectively pressed on each guide wall and roll with the guide wall; A drainage box with a top opening is provided at the top of the inner cavity of the track box beam, the open end of the drainage box is located directly below the connection seam, a through hole is provided on the side wall of the drainage box, the connection device vertically extends to the drainage box through the connection seam and then bends and extends to the outside of the drainage box through the through hole to connect with the walking frame, and a drainage port communicating with the outside of the track box beam is provided at the bottom of the drainage box; The front and rear sides of the walking frame are respectively connected with longitudinal braces, the upper side of the longitudinal braces is connected with an upper cross brace, and the lower side is connected with a lower cross brace, the guide wheels are rotatably mounted on both ends of the upper cross brace and the lower cross brace, the guide wheels at both ends of the upper cross brace are respectively matched with the two guide walls located above, and the guide wheels at both ends of the lower cross brace are respectively matched with the two guide walls located below; The walking frame is a frame structure and is a hexagon with horizontal upper and lower sides in the transverse projection plane. The front and rear sides of the walking frame protrude longitudinally outward and are connected to the longitudinal support. The walking drive component is fully or partially installed in the inner cavity of the walking frame.

2. The shared rail transit system according to claim 1, characterized in that: The guide wheel is vertically pressed on the guide wall.

3. The shared rail transit system according to claim 1, characterized in that: Sealing members are arranged on both sides of the connection seam, and the connection device extends to the outside of the track box beam through between the two sealing members. The two sealing members are elastically spliced ​​transversely to seal the connection seam.

4. The shared rail transit system according to claim 1, characterized in that: The upper and lower cross braces are connected at both ends with diagonal braces, the diagonal braces are perpendicular to the adjacent guide walls, and the guide wheels are mounted on the diagonal braces.

5. The shared rail transit system according to claim 1, characterized in that: The through hole is arranged at the upper middle position of the side wall of the drainage box, and the bottom of the through hole is horizontally connected to a water baffle.

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