Straddle-type monorail vehicle and through passage for straddle-type monorail vehicle

Abstract

The utility model provides a kind of through passage and straddle-type monorail vehicle for straddle-type monorail vehicle, it is related to railway vehicle technical field, through passage includes canopy assembly, frame assembly and foot crossing plate assembly;Canopy assembly includes outer folding shed and inner folding shed;The top of outer folding shed is curved, for with the outside profile of car body compatible;The top of inner folding shed is flat, for with the interior trim of car body passenger room compatible;Frame assembly includes top mounting frame, the outer folding shed and inner folding shed in same side are connected on top mounting frame;Top mounting frame is used to be connected with car body;Foot crossing plate assembly includes fixed treadle and movable crossing plate;Two fixed treadles are respectively fixedly connected to two adjacent car bodies;Movable crossing plate is slidably connected on two fixed treadles.Through passage outside profile and vehicle body streamline matching, improve vehicle overall aerodynamic performance and aesthetic degree.Passenger room flat folding shed eliminates visual obstacle, expands passenger field of vision space.

Description

Technical Field

[0001] This utility model relates to the field of rail vehicle technology, and more specifically, to a through passage for a straddle-type monorail vehicle and a straddle-type monorail vehicle. Background Technology

[0002] When straddle-type monorail vehicles traverse curves and ramps, the connecting passageway between the two cars needs to withstand significant three-dimensional displacement and torsion. Existing connecting passageways often employ complex linkage mechanisms and small-sized stepping stones, leading to the following drawbacks: First, the shape of the outer canopy does not match the streamlined design of the car body, affecting the overall aerodynamic appearance and aesthetics; second, the support structure and linkages create visual obstructions within the passenger compartment, resulting in a lack of transparency and a feeling of oppression for passengers; finally, the effective passage width is limited, easily forming congestion bottlenecks during peak hours, affecting passenger flow efficiency and comfort. Utility Model Content

[0003] The purpose of this utility model is to provide a through passage for straddle-type monorail vehicles, which improves appearance and aesthetics, enhances passenger visibility, and increases effective passage width.

[0004] To solve the above problems, this utility model provides a through passage for straddle-type monorail vehicles and a straddle-type monorail vehicle.

[0005] In the first aspect, this utility model provides a passageway for straddle-type monorail vehicles, used to connect two adjacent carriages; the passageway includes a canopy assembly, a frame assembly, and a tread assembly; The canopy assembly includes an outer fold canopy and an inner fold canopy; the top of the outer fold canopy is curved to match the external contours of the carriage; the top of the inner fold canopy is flat to match the interior trim of the carriage. The frame assembly includes a top mounting frame, with an outer canopy and an inner canopy on the same side connected to the top mounting frame; the top mounting frame is used for connection to the carriage. The treadmill assembly includes fixed treads and movable treadmills; the two fixed treads are fixedly connected to two adjacent carriages respectively; the two ends of the movable treadmills are slidably connected to the two fixed treads.

[0006] The beneficial effects of the through passageway for straddle-type monorail vehicles of this utility model are: The curved top of the outer folding canopy matches the streamlined exterior of the carriage, reducing air resistance and visual obstruction. The flat roof structure of the inner folding canopy is flush with the interior trim, eliminating the visual obstruction caused by traditional folding canopies. A top mounting frame integrates the outer and inner folding canopies onto the same mounting surface, simplifying the frame structure. Fixed steps are positioned in adjacent carriages, and a movable ramp covers the gap between the two steps via a sliding connection. When the vehicle turns, the sliding compensates for displacement, maintaining the continuity of the passageway. When the vehicle passes through a curve, the folding frames of the outer and inner folding canopies can extend and retract synchronously, causing the canopy to fold and deform to absorb three-dimensional displacement. The movable ramp adaptively adjusts its position via a sliding mechanism. The external contour of this utility model's through-passage matches the streamlined shape of the vehicle body, improving the overall aerodynamic performance and aesthetics of the vehicle. The flat folding canopy inside the passenger compartment eliminates visual obstructions and expands the passenger's field of vision. The sliding connection of the movable ramp increases the effective passage width, alleviating congestion during peak hours.

[0007] Optionally, both the outer and inner folding tents include folding frames and tarpaulins; multiple folding frames are spaced apart, and the two outermost folding frames are respectively connected to a top mounting frame; the tarpaulin is laid between two adjacent folding frames, and both ends of the tarpaulin are fixed inside the folding frames.

[0008] Optionally, the cross-section of the folding frame is U-shaped; the two sides of the U-shaped folding frame are used to hold the tarpaulin.

[0009] Optionally, the top of the folding frame of the outer folding canopy is curved; the top of the folding frame of the inner folding canopy is straight.

[0010] Alternatively, the tarpaulin is made by sewing and is fixed within the folding frame by a seam sealing process.

[0011] Optionally, the top mounting frame has a rectangular outline, and a side decorative frame is provided between the bottom edge and both sides of the rectangle; the side decorative frame is curved.

[0012] Optionally, the canopy assembly also includes a lower folded canopy; the frame assembly also includes a bottom mounting frame; the two ends of the lower folded canopy are connected to the bottom mounting frame; the bottom mounting frame is fixed to the vehicle's lower skirt.

[0013] Optionally, the lower folding canopy includes a folding frame and a tarpaulin; multiple folding frames are spaced apart, and the two outermost folding frames are respectively connected to a bottom mounting frame; the tarpaulin is laid between two adjacent folding frames, and both ends of the tarpaulin are fixed inside the folding frames.

[0014] Optionally, it also includes two sets of linkage mechanisms, which are symmetrically arranged on both sides of the bottom of the movable ramp; the support fulcrum of the linkage mechanism is fixedly installed on the movable ramp; one end of the linkage mechanism is connected to the fixed pedal, and the other end is connected to the car body of the adjacent carriage.

[0015] Secondly, this utility model provides a straddle-type monorail vehicle, including the through passageway for straddle-type monorail vehicles as described above. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the through-channel structure of this utility model; Figure 2 This is a schematic diagram showing the connection between the folding frame and the tarpaulin; Figure 3 A schematic diagram of the structure for securing the tarpaulin to the folding frame.

[0017] Explanation of reference numerals in the attached figures: 1. Outer folding canopy; 2. Inner folding canopy; 3. Fixed footboard; 4. Movable ramp; 5. Lower folding canopy; 6. Top mounting frame; 7. Bottom mounting frame; 8. Tarpaulin; 9. Folding frame. Detailed Implementation

[0018] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Although some embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this utility model. It should be understood that the drawings and embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0019] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; and the term "optionally" means "optional embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first," "second," etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0020] It should be noted that the terms "one" and "multiple" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0021] like Figure 1-3As shown in the figure, a connecting passage for a straddle-type monorail vehicle according to an embodiment of the present invention is used to connect two adjacent carriages; the connecting passage includes a canopy assembly, a frame assembly, and a step plate assembly; The canopy assembly includes an outer folded canopy 1 and an inner folded canopy 2; the top of the outer folded canopy 1 is curved to match the external contour of the carriage; the top of the inner folded canopy 2 is flat to match the interior trim of the carriage. The frame assembly includes a top mounting frame 6, with an outer canopy 1 and an inner canopy 2 on the same side connected to the top mounting frame 6; the top mounting frame 6 is used for connection with the carriage. The tread plate assembly includes a fixed tread plate 3 and a movable tread plate 4; the two fixed tread plates 3 are fixedly connected to two adjacent carriages respectively; the two ends of the movable tread plate 4 are movably connected to the two fixed tread plates 3.

[0022] The outer folding canopy 1 features a curved top design, meaning the curvature of its upper surface matches the outer contour of the carriage. This can be achieved using a canopy structure 8 supported by an aluminum alloy frame, with the radius of curvature adjustable for different vehicle models. The inner folding canopy 2 features a flat top design, meaning its upper surface is flat. This can be achieved using a flat canopy structure 8 supported by a rectangular folding frame 9, flush with the interior trim panel on the passenger compartment ceiling. The top mounting frame 6 is a rigid frame connecting the outer folding canopy 1 and the inner folding canopy 2, and can be a welded rectangular metal frame. The fixed pedal 3 is a metal pedal fixed to the end of the carriage, which can be bolted to the edge of the vehicle floor. The movable ramp 4 is connected via a sliding mechanism at both ends, engaging with the fixed pedal 3. For example, a groove can be created on the fixed pedal 3, and pulleys or sliders can be installed at the bottom of the ramp.

[0023] Specifically, the curved top of the outer folding canopy 1 conforms to the streamlined outline of the exterior of the carriage, reducing air resistance and visual abruptness. The flat roof structure of the inner folding canopy 2 is flush with the interior trim, eliminating the visual obstruction of traditional folding canopies. The top mounting frame 6 integrates the outer folding canopy 1 and the inner folding canopy 2 onto the same mounting surface, simplifying the frame structure. Fixed pedals 3 are placed in adjacent carriages, and movable ramps 4 cover the gap between the two pedals through a sliding connection. When the vehicle turns, displacement is compensated by sliding to maintain the continuity of the passageway. When the vehicle passes through a curve, the folding frames 9 of the outer folding canopy 1 and the inner folding canopy 2 can extend and retract synchronously, and the canopy 8 folds and deforms accordingly to absorb three-dimensional displacement. The movable ramps 4 adaptively adjust their position through a sliding mechanism. This embodiment achieves dual optimization of the interior and exterior space of the vehicle through the separate outer folding canopy 1 and inner folding canopy 2. Existing ramps use multi-link hinges, resulting in complex structures. This solution simplifies the connection mechanism through the sliding movable ramps 4. This embodiment matches the external outline of the passageway with the streamlined shape of the vehicle body, improving the overall aerodynamic performance and aesthetics of the vehicle. The flat, folding canopy inside the passenger compartment eliminates visual obstructions and expands the passenger's field of vision. The sliding connection of the movable ramp 4 increases the effective passage width and alleviates congestion during peak hours. The simplified design of the frame components and ramp structure reduces the number of parts, minimizing potential failure points and maintenance workload.

[0024] Optionally, both the outer folding canopy 1 and the inner folding canopy 2 include folding frames 9 and tarpaulins 8; multiple folding frames 9 are spaced apart, and the two outermost folding frames 9 are respectively connected to a top mounting frame 6; the tarpaulin 8 is placed between two adjacent folding frames 9, and both ends of the tarpaulin 8 are fixed inside the folding frames 9 respectively.

[0025] The folding frame 9 refers to the rigid skeleton structure used to support the tarpaulin 8, which can be made of aluminum alloy profiles. The tarpaulin 8 refers to the flexible covering material, which can be made of flame-retardant polyester fiber cloth or silicone-coated fabric, and is fixed by being embedded in the clamping space of the folding frame 9 at its edges. The spacing means that the folding frames 9 are kept at a uniform distance, which can be an equidistant arrangement, with the spacing controlled, for example, between 200-400 mm. This spacing allows the tarpaulin to fold and deform in an orderly manner when the vehicle turns.

[0026] Specifically, the folding frames 9 of the outer folding canopy 1 and the inner folding canopy 2 are connected to the vehicle body via the top mounting frame 6, forming a stable support system. The canopy 8 forms a continuous covering surface between adjacent folding frames 9. When the vehicle passes through a curved track, the spacing between the folding frames 9 changes regularly, and the canopy 8 forms wavy folds to absorb three-dimensional displacement. The fixed connection between the outermost folding frame 9 and the top mounting frame 6 prevents the canopy ends from detaching under dynamic loads. Through the discrete arrangement of the folding frames 9, the canopy 8 forms controllable folding deformation in local areas. Modular assembly of the folding canopy structure is achieved, and the independent fixing method of the canopy 8 and the folding frames 9 reduces installation complexity. The spaced arrangement of the folding frames 9 effectively disperses the impact of dynamic loads on the single-point connection structure, improving the reliability of the passageway during continuous curves. After the removal of the transverse support structure inside the passenger compartment, the visual blind spots in the passenger standing area are reduced, effectively alleviating the feeling of spatial oppression.

[0027] Optionally, the cross-section of the folding frame 9 is U-shaped; the two sides of the U-shaped folding frame 9 are used to clamp the tarpaulin 8.

[0028] The U-shaped cross-section refers to the U-shaped structure with the folding frame 9 opening outwards. It can be achieved by molding metal profiles or composite materials. The two sides of the U-shaped opening form clamping spaces. Clamping refers to fixing the edge of the tarpaulin 8 through the two sides of the U-shaped opening. Specifically, it can be achieved by using pressure strips in conjunction with bolts or buckles to press the edge of the tarpaulin 8 into the U-shaped groove. No additional connecting parts are needed during the clamping process.

[0029] Specifically, during installation, the edge of the tarpaulin 8 is embedded in the U-shaped opening of the folding frame 9, and the edges of the tarpaulin 8 are clamped and fixed by a pressure strip pressing process on both sides. The depth and width of the U-shaped opening can be adaptively adjusted according to the thickness of the tarpaulin 8 to ensure that the tarpaulin 8 is subjected to uniform force during clamping. During vehicle operation, the U-shaped structure of the folding frame 9 can restrict the lateral and longitudinal displacement of the tarpaulin 8, while allowing the tarpaulin 8 to undergo elastic deformation in the vertical direction to absorb vibration. The clamping structure formed by the U-shaped cross-section wraps the edge of the tarpaulin 8 inside the frame, preventing the edge of the tarpaulin 8 from being directly exposed to the external environment, while dispersing the stress at the connection between the tarpaulin 8 and the frame, thus improving the reliability of the connection.

[0030] Optionally, the top of the folding frame 9 of the outer folding canopy 1 is curved; the top of the folding frame 9 of the inner folding canopy 2 is straight.

[0031] The outer folding canopy 1 has a curved top for its folding frame 9, meaning the upper structure of the folding frame 9 is designed as an arc surface. This can be achieved using a stamped or molded metal frame, and its curvature matches the streamlined outline of the vehicle's exterior to fit the curved surface of the vehicle body. The inner folding canopy 2 has a flat top for its folding frame 9, meaning the upper structure of the folding frame 9 is designed as a flat surface. This can be achieved using a welded or riveted metal sheet frame, and its planar shape is aligned with the flat ceiling of the passenger compartment's interior.

[0032] Optionally, the tarpaulin 8 is made by sewing and is fixed inside the folding frame 9 by a pressing and sealing process.

[0033] The sewing process refers to stitching the multiple layers of tarpaulin 8 material together using a sewing machine to form a continuous and uniform seam structure. This can be achieved using double-needle lockstitch or chain stitch techniques, ensuring the seams have tear resistance and airtightness. The pressing and sealing process involves using metal or plastic strip-shaped clamps to wrap around the edges of the tarpaulin 8 and press it into the U-shaped groove of the folding frame 9. This can be achieved using pressing strips with serrated interlocking surfaces in conjunction with self-tapping screws or buckles. The tarpaulin 8 is fixed to the frame through a combination of mechanical interlocking and fastener action.

[0034] Specifically, after the tarpaulin 8 is formed into an integral structure through sewing, its edges are embedded in the U-shaped grooves of the folding frame 9 by pressure strips, which are then connected to the frame by fasteners. During vehicle operation, the extensibility of the sewn seams can adapt to the deformation of the folding frame 9, while the rigid fixation of the pressure strips prevents the tarpaulin 8 from detaching from the frame. This process replaces traditional rivet or bolt connections, reducing the number of independent connecting parts. This embodiment achieves a reliable connection between the tarpaulin 8 and the folding frame 9, reducing the probability of failures caused by mechanical loosening, while simplifying installation and maintenance procedures and reducing labor maintenance costs. The continuous sewn seams of the tarpaulin 8 also improve sealing performance, preventing external environmental impurities from entering the passageway. Optionally, the top mounting frame 6 has a rectangular outline, and a side decorative frame is provided between the bottom edge and both sides of the rectangle; the side decorative frame is curved.

[0035] The side decorative frame refers to the cover piece located in the transition area between the bottom edge and the side of the mounting frame. Specifically, it can be a curved plastic component manufactured using injection molding. Its curved contour can eliminate the visual sharp angles formed by traditional right-angle connections and the multiple internal connection points. The rectangular bottom edge refers to the horizontally extending load-bearing surface at the bottom of the mounting frame. Specifically, it can be formed into a planar structure using stamping technology to provide a reference mounting position for connection with the vehicle body.

[0036] Specifically, the top mounting frame 6 connects to the standard interface on the top of the carriage via its rectangular bottom edge, and the side decorative frame covers the connection between the bottom edge and the side edge. The curved outer surface of the side decorative frame forms a continuous transition with the streamlined outline of the carriage exterior, while its inner surface maintains a connection with the flat roof structure of the passenger interior. During installation, the side decorative frame is quickly assembled with the top mounting frame 6 via a snap-fit ​​structure, and the rounded transition section eliminates the abrupt edges formed by traditional right-angle frames. In this embodiment, by adding a curved side decorative frame, the outer contour of the mounting frame blends naturally with the curved surface of the carriage, maintaining the load-bearing capacity of the frame structure, achieving a smooth transition in appearance, and concealing some connection points. This effectively improves the matching degree between the top frame of the passageway and the streamlined shape of the vehicle body, eliminates the visual sharpness formed by traditional right-angle frames, and allows the outer contour of the passageway to connect naturally with the curved surface of the carriage. At the same time, the flat inner surface of the side decorative frame maintains the regularity of the passenger interior, avoiding the visual encroachment of decorative components on the passenger space.

[0037] Optionally, the canopy assembly also includes a lower folded canopy 5; the frame assembly also includes a bottom mounting frame 7; the two ends of the lower folded canopy 5 are connected to the bottom mounting frame 7; the bottom mounting frame 7 is fixed to the lower skirt of the vehicle.

[0038] The lower folding canopy 5 refers to the foldable protective structure located at the bottom of the passageway. Specifically, it can be achieved by alternating connections between multiple spaced U-shaped folding frames 9 and the canopy 8. The folding frames 9 clamp the edges of the canopy 8, forming a continuous, flexible, sealed interface. The bottom mounting frame 7 is the rigid support component that bears the lower folding canopy 5. Specifically, it can be constructed by welding aluminum alloy profiles into a rectangular frame structure, with bolt holes on the frame surface for connection to the vehicle's lower skirt. The vehicle's lower skirt refers to the metal load-bearing structure on the bottom side of the monorail vehicle. Specifically, it can be formed by stamping 3-5 mm thick steel plates, with an array of connection holes on its surface corresponding to those of the bottom mounting frame 7.

[0039] Optionally, the lower folding canopy 5 includes a folding frame 9 and a tarpaulin 8; multiple folding frames 9 are spaced apart, and the two outermost folding frames 9 are respectively connected to a bottom mounting frame 7; the tarpaulin 8 is placed between two adjacent folding frames 9, and both ends of the tarpaulin 8 are fixed inside the folding frames 9 respectively.

[0040] Specifically, the structure of the lower folding canopy 5 is similar to that of the upper folding canopy, so I will not go into details. The difference is that the upper folding canopy is a closed-loop ring structure, while the lower folding canopy 5 is a split component, symmetrically arranged on the lower skirts on both sides of the vehicle body.

[0041] Optionally, it also includes two sets of linkage mechanisms, which are symmetrically arranged on both sides of the bottom of the movable ramp 4; the support fulcrum of the linkage mechanism is fixedly installed on the movable ramp 4; one end of the linkage mechanism is connected to the fixed pedal 3, and the other end is connected to the car body of the adjacent carriage.

[0042] The system incorporates a linkage mechanism where, when the vehicle moves along a curve, one side of the linkage retracts while the other side extends, enabling cornering. It should be noted that a wear-resistant block is installed between the movable ramp 4 and the fixed pedal 3, allowing for frictional sliding.

[0043] When a vehicle passes through a curve or ramp, the movable ramp 4 and the fixed step 3 can freely adjust their posture as the vehicle moves. This simplifies the mechanical linkage device while maintaining the width of the passageway, and solves the problem of low traffic efficiency caused by the size limitation of the ramp in existing through passageways.

[0044] Another embodiment of the present invention provides a straddle-type monorail vehicle including the aforementioned straddle-type monorail vehicle through passage.

[0045] The beneficial effects of the straddle-type monorail vehicle in this embodiment compared to the prior art are the same as those of the straddle-type monorail vehicle with through passage described above, and will not be repeated here.

[0046] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the protection scope of the present invention.

Claims

1. A through passage for a straddle-type monorail vehicle for connecting a vehicle passage of two adjacent cars, characterized by, Includes canopy assembly, frame assembly, and tread assembly; The canopy assembly includes an outer folded canopy (1) and an inner folded canopy (2); the top of the outer folded canopy (1) is curved to match the external contour of the carriage; the top of the inner folded canopy (2) is flat to match the interior trim of the carriage. The frame assembly includes a top mounting frame (6), with the outer canopy (1) and the inner canopy (2) located on the same side connected to the top mounting frame (6); the top mounting frame (6) is used to connect to the carriage. The tread plate assembly includes a fixed tread plate (3) and a movable tread plate (4); the two fixed tread plates (3) are respectively fixedly connected to two adjacent carriages; the two ends of the movable tread plate (4) are slidably connected to the two fixed tread plates (3).

2. The passageway for straddle-type monorail vehicles according to claim 1, characterized in that, Both the outer folding canopy (1) and the inner folding canopy (2) include folding frames (9) and tarpaulins (8); multiple folding frames (9) are arranged at intervals, and the two outermost folding frames (9) are respectively connected to a top mounting frame (6); the tarpaulin (8) is arranged between two adjacent folding frames (9), and both ends of the tarpaulin (8) are respectively fixed inside the folding frames (9).

3. The passageway for straddle-type monorail vehicles according to claim 2, characterized in that, The cross-section of the folding frame (9) is U-shaped; the two sides of the folding frame (9) are used to hold the tarpaulin (8).

4. The passageway for straddle-type monorail vehicles according to claim 2, characterized in that, The top of the folding frame (9) of the outer folding shed (1) is curved; the top of the folding frame (9) of the inner folding shed (2) is straight.

5. The passageway for straddle-type monorail vehicles according to claim 3 or 4, characterized in that, The tarpaulin (8) is made by sewing and is fixed inside the folding frame (9) by a pressing process.

6. The passageway for straddle-type monorail vehicles according to claim 1, characterized in that, The top mounting frame (6) has a rectangular outline, and a side decorative frame is provided between the bottom edge and the two sides of the rectangle; the side decorative frame is curved.

7. The passageway for straddle-type monorail vehicles according to claim 1, characterized in that, The canopy assembly also includes a lower folded canopy (5); the frame assembly also includes a bottom mounting frame (7); the two ends of the lower folded canopy (5) are connected to the bottom mounting frame (7); the bottom mounting frame (7) is fixed to the lower skirt of the vehicle.

8. The passageway for straddle-type monorail vehicles according to claim 7, characterized in that, The lower folding canopy (5) includes a folding frame (9) and a tarpaulin (8); multiple folding frames (9) are spaced apart, and the two outermost folding frames (9) are respectively connected to a bottom mounting frame (7); the tarpaulin (8) is placed between two adjacent folding frames (9), and both ends of the tarpaulin (8) are respectively fixed inside the folding frames (9).

9. The passageway for straddle-type monorail vehicles according to claim 1, characterized in that, It also includes two sets of linkage mechanisms, which are symmetrically arranged on both sides of the bottom of the movable ramp (4); the support fulcrum of the linkage mechanism is fixedly installed on the movable ramp (4); one end of the linkage mechanism is connected to the fixed pedal (3), and the other end is connected to the car body of the adjacent carriage.

10. A straddle-type monorail vehicle, characterized in that, Including the through passageway for straddle-type monorail vehicles as described in any one of claims 1 to 9.

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