A suspended monorail bogie and a suspended monorail transit system

Abstract

The present invention relates to the technical field of rail transit, and particularly relates to a suspended monorail bogie and a suspended monorail transportation system. A suspended monorail bogie includes a bogie frame, on which a plurality of running wheels, guide wheels and a driving device are provided. The driving device is used to drive the running wheels to rotate. A steering device is provided between the running wheels and the guide wheels, and the steering device can make the running wheels and the guide wheels turn synchronously. The suspended monorail transportation system includes the suspended monorail bogie. The suspended monorail bogie is arranged in a track beam, and a vehicle body is suspended below the bogie frame. Since the steering device can make the running wheels and the guide wheels turn synchronously, when the suspended monorail train passes through a curved section, the guide wheels drive the running wheels to rotate a certain angle in the direction deflected by the curved section, effectively reducing the wear of the running tires and the guide tires.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit, and particularly to a suspended monorail bogie and a suspended monorail traffic system. Background Art

[0002] The suspended monorail train is suspended in mid-air and realizes the functions of running and guiding within a semi-closed track beam. Since it does not occupy the ground public traffic right-of-way and has many advantages such as high safety, strong line adaptability, short construction period, low construction cost, and good visual effect, it can be used as a traffic mode option in application environments such as urban public transportation and tourist scenic spots.

[0003] In a suspended monorail traffic system, the lateral span between running wheels is relatively short, and guide wheels are provided in the bogie structure to assist vehicle guidance. For a traditional suspended monorail traffic system, the movements of the running wheels and the guide wheels are independent of each other. The running wheels realize the traction running function of the train, and the guide wheels play the role of stabilizing and guiding the train operation. When a suspended monorail train passes through a curved section, the guide wheels forcibly overcome the lateral friction between the running wheels and the track beam, and rely on the extrusion between the guide wheels and the side surface of the track beam to achieve the turning of the train. This guiding method increases the wear of the running and guiding tires, reduces the service life of the tires, and increases the operation and maintenance cost. Summary of the Invention

[0004] The purpose of the present invention is to provide a suspended monorail bogie and a suspended monorail traffic system for the problem existing in the prior art that when a suspended monorail train passes through a curved section, the guide wheels forcibly overcome the lateral friction between the running wheels and the track beam, and rely on the extrusion between the guide wheels and the side surface of the track beam to achieve the turning of the train. This guiding method increases the wear of the running and guiding tires and reduces the service life of the tires.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0006] A suspended monorail bogie includes a bogie frame. A plurality of running wheels, guide wheels, and a driving device are provided on the bogie frame. The driving device is used to drive the running wheels to rotate. A steering device is provided between the running wheels and the guide wheels, and the steering device can make the running wheels and the guide wheels turn synchronously.

[0007] Since a steering device is provided between the running wheels and the guiding wheels, and the steering device can enable the running wheels and the guiding wheels to turn synchronously. When the suspended monorail train passes through a curved section, the guiding wheels run along the inner side of the track beam and will turn accordingly according to the actual road conditions of the curved section. At the same time, the guiding wheels will drive the running wheels to rotate a certain angle in the direction of deflection of the curved section. Thus, since the running wheels have a certain steering ability, when the suspended monorail train passes through a curved section, it is no longer the original way of relying only on the extrusion between the guiding wheels and the side of the track beam to realize the turning of the train, but the guiding wheels and the running wheels rotate synchronously to realize the turning of the train. This guiding method can effectively reduce the wear of the running tires and the guiding tires, extend the service life of the tires, reduce the operation and maintenance costs, and at the same time improve the ability of the suspended monorail train to pass through the curved section.

[0008] As a preferred embodiment of the present invention, the driving device includes a driving motor and a gearbox. The driving motor is connected to the gearbox. The gearbox includes a rotating shaft, and the running wheels are connected to both ends of the rotating shaft. The driving motor provides power for the gearbox, the gears in the gearbox mesh and rotate, and then drive the rotating shaft to rotate, so as to provide power for the running wheels and realize the traction running of the suspended monorail train in the span direction of the track beam.

[0009] As a preferred embodiment of the present invention, the steering device includes a steering arm. The steering arm is sleeved outside the rotating shaft, and the steering arm is connected to the guiding wheel. Since the steering arm is sleeved outside the rotating shaft, when passing through a curved section, the guiding wheel turns accordingly along the inner side of the track beam, and then drives the steering arm to turn. Since the running wheels are connected to the rotating shaft of the gearbox, the running wheels will turn together with the guiding wheels, thereby reducing the wear of the running tires and the guiding tires.

[0010] As a preferred embodiment of the present invention, a guiding wheel connecting frame is provided between the guiding wheels. Two steering arms are symmetrically arranged on the rotating shaft, and a steering arm connecting rod is connected between the steering arms. The steering arm connecting rod is connected to the guiding wheel connecting frame. When only one steering arm is provided, the torque it bears is very large and the strength requirement for it is very high. However, when two steering arms are symmetrically arranged on the rotating shaft and the steering arm connecting rod is arranged between the steering arms, it is convenient for the guiding wheels to drive the running wheels at both ends of the rotating shaft to turn together. The torque borne by the two steering arms is small and the structure is more stable.

[0011] As a preferred embodiment of the present invention, a limiting mechanism is provided between the steering arm link and the guide wheel connecting frame. The limiting mechanism can lock the steering arm link and the guide wheel connecting frame. Since the suspended monorail train can run bidirectionally on the track beam, when the suspended monorail train travels along the target running direction, the guide wheel connecting frame at the front side is locked with the steering arm link, and the guide wheel drives the running wheel to turn. The guide wheel connecting frame at the rear side does not need to be locked with the steering arm link and can follow. The limiting mechanism can achieve the locking function in an electrically controlled manner, which is convenient for the quick and convenient conversion of the limiting mechanism when the suspended monorail train turns around.

[0012] As a preferred embodiment of the present invention, the steering arm is hinged to the steering arm link.

[0013] As a preferred embodiment of the present invention, a coupling is provided between the drive motor and the gearbox to firmly connect the driving shaft in the drive motor and the driven shaft in the gearbox together for rotation and transmit motion and torque.

[0014] As a preferred embodiment of the present invention, a primary suspension is provided between the gearbox and the bogie frame. The primary suspension is a primary spring, which plays a role in buffering and shock absorption.

[0015] As a preferred embodiment of the present invention, a motor connecting seat is provided between the drive motor and the bogie frame for connecting the drive motor and the bogie frame.

[0016] A suspended monorail transportation system includes the suspended monorail bogie. The suspended monorail bogie is arranged in the track beam, and a vehicle body is suspended below the bogie frame.

[0017] Due to the provision of the suspended monorail bogie, when the suspended monorail train passes through a curved section, the steering device enables the running wheels and the guide wheels to turn synchronously. The running wheels have a certain steering ability, and no longer rely solely on the extrusion between the guide wheels and the side surface of the track beam to achieve the turning of the train. Instead, the guide wheels and the running wheels rotate synchronously to achieve the turning of the train. This guiding method can effectively reduce the wear of the running tires and the guide tires, extend the service life of the tires, reduce the operation and maintenance costs, and enhance the ability of the suspended monorail train to pass through curved sections.

[0018] In summary, due to the adoption of the above technical solutions, the beneficial effects of the suspended monorail bogie of the present invention are as follows:

[0019] Since a steering device is provided between the running wheels and the guiding wheels, the steering device can enable the running wheels and the guiding wheels to turn synchronously. When the suspended monorail train passes through a curved section, the guiding wheels run along the inner side of the track beam and will turn accordingly according to the actual road conditions of the curved section. At the same time, the guiding wheels will drive the running wheels to rotate a certain angle in the direction in which the curved section deflects. Thus, since the running wheels have a certain steering ability, when the suspended monorail train passes through a curved section, it is no longer the original way of relying only on the extrusion between the guiding wheels and the side surface of the track beam to achieve the turning of the train. Instead, the guiding wheels and the running wheels rotate synchronously to achieve the turning of the train. This guiding method can effectively reduce the wear of the running tires and the guiding tires, extend the service life of the tires, reduce the operation and maintenance costs, and at the same time improve the ability of the suspended monorail train to pass through the curved section.

[0020] The beneficial effects of the suspended monorail transportation system are as follows:

[0021] Due to the provision of the suspended monorail bogie, when the suspended monorail train passes through a curved section, the steering device enables the running wheels and the guiding wheels to turn synchronously. The running wheels have a certain steering ability. It is no longer the original way of relying only on the extrusion between the guiding wheels and the side surface of the track beam to achieve the turning of the train. Instead, the guiding wheels and the running wheels rotate synchronously to achieve the turning of the train. This guiding method can effectively reduce the wear of the running tires and the guiding tires, extend the service life of the tires, reduce the operation and maintenance costs, and enhance the ability of the suspended monorail train to pass through the curved section. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the suspended monorail bogie described in the present invention.

[0023] Figure 2 It is a partial structural diagram of the suspended monorail bogie described in the present invention.

[0024] Figure 3 It is a schematic structural diagram of the limiting mechanism described in the present invention.

[0025] Figure 4 It is a schematic structural diagram of the steering arm described in the present invention.

[0026] Figure 5 It is Figure 1 the front view of.

[0027] Figure 6 It is Figure 1 the side view of.

[0028] Figure 7 It is Figure 1 the top view of.

[0029] Figure 8 It is a schematic diagram of the suspended monorail bogie of the present invention on a straight section.

[0030] Figure 9 It is a schematic diagram of the suspended monorail bogie of the present invention on a curved section.

[0031] Figure 10 It is a schematic structural diagram of the suspended monorail transportation system of the present invention.

[0032] Icons: 1 - running wheel; 2 - guiding wheel; 3 - bogie frame; 4 - driving motor; 5 - gearbox; 6 - primary suspension; 7 - guiding wheel connecting frame; 8 - steering arm connecting rod; 9 - steering arm; 10 - coupling; 11 - motor connecting seat; 12 - limiting mechanism; 13 - track beam; 131 - straight section; 132 - curved section; 14 - car body; 15 - telescopic device; 16 - limiting block; 17 - electric control switch; 18 - connecting column; 19 - groove. Detailed implementation manners

[0033] The following will describe the present invention in detail with reference to the accompanying drawings.

[0034] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] Embodiment 1

[0036] As Figures 1-9 shown, a suspended monorail bogie includes a bogie frame 3, on which there are two pairs of running wheels 1, two pairs of guiding wheels 2 and two driving devices. One driving device drives one pair of the running wheels 1 to rotate. The two pairs of running wheels 1, the two pairs of guiding wheels 2 and the two driving devices are symmetrically arranged on the bogie frame 3. Specifically, the bogie frame 3 is Y-shaped, and the two protruding parts on both sides of the Y-shaped structure are the flanges of the bogie frame 3, and under each flange, there is a pair of running wheels 1, a pair of guiding wheels 2 and a driving device respectively.

[0037] The driving device includes a driving motor 4 and a gearbox 5. The driving motor 4 is connected to the gearbox 5 through a coupling 10. There is a motor connecting seat 11 between the driving motor 4 and the bogie frame 3, and there is a primary suspension 6 between the gearbox 5 and the bogie frame 3. The primary suspension 6 is a primary spring, which plays a role of buffering and shock absorption during the train operation. The gearbox 5 includes a rotating shaft, and both ends of the rotating shaft are connected with the running wheels 1.

[0038] A steering device is provided on the gearbox 5, and the steering device can enable the running wheels 1 and the guide wheels 2 to turn synchronously. The steering device includes a steering arm 9.

[0039] Specifically, two steering arms 9 are symmetrically bushed on the rotating shaft. The steering arms 9 do not rotate together with the rotating shaft. A steering arm connecting rod 8 is hinged between the two steering arms 9. A guide wheel connecting frame 7 is provided between a pair of guide wheels 2. The steering arm connecting rod 8 is hinged to the guide wheel connecting frame 7. A limiting mechanism 12 is provided at the connection between the steering arm connecting rod 8 and the guide wheel connecting frame 7. The limiting mechanism 12 locks the guide wheel connecting frame 7 on the steering arm connecting rod 8. The limiting mechanism 12 can achieve the locking function in an electrically controlled manner, which is convenient for the quick and convenient conversion of the limiting mechanism 12 when the suspended monorail train makes a U-turn.

[0040] Specifically, the limiting mechanism 12 mainly includes an electric control switch 17, a telescopic device 15, and a limiting block 16. An upwardly protruding connecting column 18 is provided on the steering arm connecting rod 8. A through hole is provided on the guide wheel connecting frame 7, and the through hole is sleeved outside the connecting column 18, and the two are adapted to each other. A groove 19 is provided on the guide wheel connecting frame 7. The telescopic device 15 is provided on the side surface of the connecting column 18. The telescopic device 15 is connected to the limiting block 16. The limiting block 16 is adapted to the groove 19. The telescopic device 15 can drive the limiting block 16 to insert into or withdraw from the groove 19. The telescopic device 15 is electrically connected to the electric control switch 17. The electric control switch 17 is used to control the telescopic device 15. The telescopic device 15 is a small electric push rod or a spring.

[0041] By controlling the electric control switch 17 on the vehicle, the telescopic device 15 is telescoped up and down, so that the limiting block 16 moves up and down, driving the limiting block 16 to enter or withdraw from the groove 19. When the limiting block 16 enters the groove 19, the rotational freedom between the guide wheel connecting frame 7 and the steering arm connecting rod 8 is restricted, and the locking function is achieved.

[0042] Through this control method, the locking and limiting functions between the guide wheel connecting frame 7 and the steering arm connecting rod 8 can be quickly and conveniently realized.

[0043] The steering principle of the steering device in the suspended monorail bogie includes:

[0044] Since the bushing of the steering arm 9 is outside the rotating shaft, the running wheel 1 is connected to the rotating shaft, the steering arm link 8 is connected between the steering arms 9, and the steering arm link 8 is further connected to the guide wheel connecting frame 7, and the guide wheel connecting frame 7 is connected to the guide wheel 2. Therefore, when the suspended monorail train passes through the curved section 132, the guide wheel 2 runs along the inner side of the track beam and will turn accordingly according to the actual road conditions of the curved section 132. At the same time, the guide wheel 2 will drive the running wheel 1 to rotate a certain angle in the direction deflected by the curved section 132. Thus, since the running wheel 1 has a certain steering ability, the guide wheel 2 and the running wheel 1 rotate synchronously to realize the turning of the suspended monorail train. This guiding method can effectively reduce the wear of the running wheel 1 and the guide wheel 2 and extend the service life of the tires.

[0045] The using method of the suspended monorail bogie includes:

[0046] 1. When the suspended monorail train runs on the straight section 131, the guide wheel 2 and the running wheel 1 run along the guiding rail surface and the running rail surface of the track beam respectively, and there is no interference between them, and the steering device does not work;

[0047] 2. When the suspended monorail train runs on the curved section 132, since the guide wheel 2 drives the running wheel 1 to turn, in the same suspended monorail bogie, only the front steering device plays a controlling role, and the limiting mechanism 12 located at the rear of the suspended monorail bogie does not work, and the guide wheel connecting frame 7 can rotate around the steering arm link 8.

[0048] Embodiment 2

[0049] As Figure 10 shown, a suspended monorail transportation system includes the suspended monorail bogie as described in Embodiment 1. The suspended monorail bogie is arranged in the track beam 13, and a vehicle body 14 is suspended below the bogie frame 3.

[0050] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A suspended monorail bogie, characterized in that, The invention comprises a bogie frame (3), on which a plurality of running wheels (1), guide wheels (2) and a driving device are arranged, wherein the driving device is used to drive the running wheels (1) to rotate, and a steering device is arranged between the running wheels (1) and the guide wheels (2), and the steering device can make the running wheels (1) and the guide wheels (2) turn synchronously; the driving device comprises a driving motor (4) and a gear box (5), a coupling (10) is arranged between the driving motor (4) and the gear box (5), the driving motor (4) and the gear box (5) are connected, and the gear box (5) comprises a rotating shaft, and both ends of the rotating shaft are connected to the running wheels (1); the rotating shaft The steering device comprises a steering arm (9), wherein the steering arm (9) is sleeved outside the rotating shaft, and the steering arm (9) is connected to the guide wheel (2); a guide wheel connecting frame (7) is provided between the guide wheels (2), two steering arms (9) are symmetrically provided on the rotating shaft, a steering arm connecting rod (8) is connected between the steering arms (9), and the steering arm connecting rod (8) is hinged to the guide wheel connecting frame (7); a limiting mechanism (12) is provided between the steering arm connecting rod (8) and the guide wheel connecting frame (7), and the limiting mechanism (12) can lock the steering arm connecting rod (8) and the guide wheel connecting frame (7); the steering arm (9) is hinged to the steering arm connecting rod (8).

2. The suspended monorail bogie according to claim 1, wherein A suspension system (6) is provided between the gear box (5) and the bogie frame (3).

3. The suspended monorail bogie according to claim 1, wherein A motor connecting seat (11) is provided between the driving motor (4) and the bogie frame (3).

4. A suspended monorail transit system, characterized in that, It comprises a suspended monorail bogie as claimed in any one of claims 1 to 3, wherein the suspended monorail bogie is arranged in a track beam (13), and a car body (14) is suspended below the bogie frame (3).

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