Bogie and skyrail train

Abstract

The present invention discloses a bogie and an aerial rail train in the technical field of aerial rail trains, aiming to solve the problems of a large number of bogies configured for short marshaling trains in the prior art, high cost, and insufficient economy. The main frame is a frame-type frame, including a first, a second, and a third assembly area sequentially distributed along the transverse axis of the main frame; a traction motor is fixedly connected in the second assembly area, which is used to drive the walking components assembled in the first and third assembly areas to move in the C-shaped track beam; two sets of guide wheels are respectively connected at both ends of the main frame, which are used to roll vertically along the inner wall of the C-shaped track beam; the end face of the second assembly area of ​​the main frame is used to be welded with a single-axle frame to form a single-axle bogie or welded with a double-axle frame to form a double-axle bogie; the present invention is applicable to aerial rail trains, and can make the marshaling car body as a whole lightweight and save costs.

Description

Technical Field

[0001] The invention relates to a bogie and an aerial rail train, belonging to the technical field of aerial rail trains. Background Art

[0002] Skyrail is a type of suspended monorail, with the main feature that the train bogie runs inside the hollow track beam, and the train carriage is suspended through the opening below the track beam. As a representative of small and medium-capacity rail transit, Skyrail trains have the advantages of low construction cost, short construction period, convenient construction and maintenance, relocation, and sustainable development to meet the transportation needs of branch lines, auxiliary lines in large cities, backbone lines in medium and small cities, and tourist scenic area lines.

[0003] The existing vehicles are connected by couplers and through-passages. For short-formation trains, the number of bogies is large, which is too costly and not economical. The large number of bogies causes the bogies to occupy a large proportion of the vehicle weight and cannot fully exert the capacity of the track beam. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a bogie and an empty rail train to avoid the problems of a large number of bogies in existing short-formation trains, excessively high costs, and insufficient economy.

[0005] In order to solve the above technical problems, the present invention is implemented by adopting the following technical solutions:

[0006] The present invention provides a bogie, comprising a main frame; the main frame is a frame-type frame, comprising a first, a second, and a third assembly area sequentially distributed along the transverse axis of the main frame;

[0007] A traction motor is fixedly connected in the second assembly area, and is used to drive the travel components assembled in the first and third assembly areas to move in the C-shaped track beam;

[0008] Two sets of guide wheels are connected to both ends of the main frame for vertical rolling along the inner wall of the C-shaped track beam;

[0009] The end surface of the second assembly area of ​​the main frame is used for welding with the single-axle frame to form a single-axle bogie or for welding with the double-axle frame to form a double-axle bogie.

[0010] Furthermore, the single-axle bogie / double-axle bogie is provided with a rotating suspension assembly; the rotating suspension assembly comprises a bolster, an air spring, a first rotating pin and a connecting rod assembly; the connecting rod assembly is movably connected to the bolster; the air spring is provided on both sides of the connecting rod assembly and fixedly connected to the bolster;

[0011] One of the first rotating pins is movably connected to the single-axle frame on the single-axle bogie through the connecting rod assembly; the two first rotating pins are movably connected to the double-axle frame of the double-axle bogie through the two connecting rod assemblies respectively.

[0012] Furthermore, the connecting rod assembly includes a connecting rod, a cross rod and a second rotating pin; one end of the two connecting rods are movably connected to the two ends of the cross rod through the second rotating pin; the other ends of the two connecting rods are respectively inserted into the through holes of the bolster and movably connected through the second rotating pin.

[0013] Furthermore, a stop block is provided on the bolster to limit the swing angle range of the two connecting rods.

[0014] Furthermore, the traction motor is a permanent magnet motor.

[0015] Furthermore, the overall structure of the single-axle bogie and / or the double-axle bogie is made of carbon steel.

[0016] Furthermore, the travel assembly includes a gear box connected to the wheels; a primary shock absorber is provided between the gear box and the main frame; the primary shock absorber is a steel spring or a rubber spring.

[0017] The present invention provides an aerial rail train, comprising a car body and any of the above-mentioned bogies, wherein both ends of the top of the car body are provided with bolster assemblies; the bolster assembly comprises a bolster and a F-shaped bracket; the single-axle bogie / double-axle bogie is connected to the car body by fixing an air spring to the bolster through the F-shaped bracket; multiple sections of the car bodies are suspended on a C-shaped track beam through a double-axle bogie; the outer ends of the first and rear car bodies in the multiple sections of the car bodies are suspended on the C-shaped track beam through a single-axle bogie.

[0018] Furthermore, a traction rod is provided between the bolster and the single-axle / double-axle bogie for achieving traction and braking of the train.

[0019] Furthermore, a lateral shock absorber is provided between the bolster and the single-axle / double-axle bogie; one end of the lateral shock absorber is fixedly connected to the bolster, and the other end is connected to the single-axle / double-axle bogie.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The present invention provides a bogie, wherein a main frame can be welded together through a single-axle frame or a double-axle frame to form a single-axle bogie or a double-axle bogie for assembly in a C-shaped track beam; guide wheels roll vertically along the inner wall of the C-shaped track beam, thereby ensuring the stability of the single-axle bogie / double-axle bogie in operation in the C-shaped track beam.

[0022] The bolster in the rotating suspension assembly of the single-axle bogie / double-axle bogie is equipped with an air spring, which can ensure the safety of operation after connecting to the car body; the connecting rod assembly in the rotating suspension assembly enables the bogie and the car body to move laterally relative to each other during movement, ensuring that the train body can remain vertical when passing a curve or being subjected to a lateral load, or align with the platform when entering the station, meeting the vehicle operation needs.

[0023] The skyrail train provided by the present invention is connected between the entire train bodies by assembling the single-axle bogie and the double-axle bogie provided by the present invention, and only the double-axle bogie is used between the two train bodies, which can reduce the excessive use of bogies on the marshaled train, and the entire train body is assembled in a lightweight manner, which can save materials, facilitate assembly, and improve marshaling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A car body connection structure diagram of an SkyRail train provided by the present invention;

[0025] Figure 2 for Figure 1 Cross-section of the SkyRail train;

[0026] Figure 3 It is a structural schematic diagram of a single-axle bogie;

[0027] Figure 4 It is a structural schematic diagram of a double-axle bogie;

[0028] Figure 5 for Figure 3 Schematic diagram of some structures;

[0029] Figure 6 for Figure 4 Schematic diagram of some structures;

[0030] Figure 7 It is a partial structural schematic diagram of the main frame of a single-axle / double-axle bogie;

[0031] Figure 8 It is a partial structural schematic diagram of the main frame of a single-axle / double-axle bogie;

[0032] Fig. 9 It is a schematic diagram of the connection structure between the main frame and the guide wheel of the single-axle / double-axle bogie;

[0033] Fig.10 It is a schematic diagram of the structure of the rotating suspension assembly in a single-axle / double-axle bogie;

[0034] Fig.11 It is a partial structural schematic diagram of a bolster assembly connected to a vehicle body;

[0035] Fig.12 It is a structural schematic diagram of the connection between a single-axle bogie and a bolster assembly;

[0036] Fig.13 It is a structural schematic diagram of the connection between the double-axle bogie and the bolster assembly;

[0037] Fig.14 It is a schematic diagram of the connection between a single-axle bogie and an automatic coupler;

[0038] Fig.15 Provide a layout diagram for roof equipment;

[0039] Fig.16 for Fig.15 System diagram of the middle roof equipment;

[0040] In the figure: 1. Single-axle bogie; 2. Double-axle bogie; 3. Main frame; 4. Rotating suspension assembly; 5. Bolster assembly; 6. Carbody; 7. Automatic coupler; 8. C-type track beam

[0041] 11. Single-axis frame; 12. First fastener; 13. Second fastener; 14. Mounting plate; 21. Double-axis frame; 22. Third fastener; 23. Fourth fastener; 31. Traction motor; 32. Travel assembly; 33. Guide wheel; 41. Rocker; 42. Air spring; 43. First rotating pin; 44. Connecting rod assembly; 51. Pillow beam; 52. Bracket; 53. Traction rod; 54. Lateral shock absorber; 55. Bracket fixing seat; 56. Rod fixing Seat; 57, shock absorber fixing seat; 61, through channel; 62, roof equipment; 321, wheel; 322, gear box; 323, primary shock absorber; 411, through hole; 412, stop block; 441, connecting rod; 442, cross bar; 443, second rotating pin; 621, traction control device; 622, charger and battery box; 623, super capacitor; 624, DC air conditioning unit; 625, hydraulic brake control unit; 626, DC air compressor. DETAILED DESCRIPTION

[0042] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal axis", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0045] Embodiment 1:

[0046] See also Figures 2 to 14 As shown, this embodiment provides a bogie, the main frame of the bogie is a frame-type structure installed in the C-type track beam 8. The main frame 3 is divided into three areas along the horizontal axis, namely the first assembly area, the second assembly area and the third assembly area. The second assembly area is equipped with a traction motor 31 in a suspended installation manner; the first assembly area and the third assembly area are equipped with a travel assembly 32, and the travel assembly 32 is driven by the traction motor 31 to realize movement and operation in the C-type track beam 8.

[0047] like Figure 5 , Figure 6 and Fig. 9As shown, two sets of guide wheels 33 are respectively connected at both ends of the main frame 3. The connected guide wheels 33 have a guiding function and can roll vertically along the inner wall of the C-shaped track beam 8, so that the main frame 3 can run smoothly on the C-shaped track beam 8. The bottom of the second assembly area of ​​the main frame 3 can be welded with the single-axle frame 11 to form a single-axle bogie 1; or the bottom of the second assembly area of ​​the main frame 3 can be welded with the double-axle frame 21 to form a double-axle bogie 2. The single-axle bogie 1 or double-axle bogie 2 formed by welding in this way can ensure the stability of running in the C-shaped track beam 8. The first fastener 12 and the second fastener 13 are arranged at the bottom end of the single-axle frame 11, and the third fastener 22 and the fourth fastener 23 are arranged at the bottom end of the double-axle frame 21.

[0048] Optionally, in order to facilitate the assembly efficiency of the single-axle bogie 1, the double-axle bogie 2 and the car body 6, a rotating suspension assembly 4 is mounted on the single-axle bogie 1. Fig.10 , Fig.12 and Fig.13 As shown, two rotating suspension assemblies 4 are mounted on the double-axle bogie 2. The rotating suspension assembly 4 includes a bolster 41, an air spring 42, a first rotating pin 43 and a connecting rod assembly 44. The connecting rod assembly 44 is mounted on the bolster 41 and can swing left and right relative to the bolster 41. Two air springs 42 are installed on the bolster 41 on both sides of the connecting rod assembly 44. The air spring 42 is subsequently connected to the car body 6, which can enable the car body 6 to have a shock-absorbing and buffering effect during operation. The first rotating pin 43 passes through the connecting rod assembly 44 and is movably connected to the single-axle frame 11 of the single-axle bogie 1, thereby realizing the connection between the rotating suspension assembly 4 and the bogie, and realizing the connection with the car body 6 through the rotating suspension assembly 4.

[0049] Two mounting holes are provided on the double-axle frame 21 of the double-axle bogie 2, and two first rotating pins 43 respectively pass through two connecting rod assemblies 44 and the mounting holes, connecting two sets of rotating suspension assemblies 4 to the double-axle bogie 2, and the two car bodies 6 are combined and connected through a double-axle bogie 2.

[0050] Optional such as Fig.10 As shown, the connecting rod assembly 44 includes a connecting rod 441, a cross rod 442 and a second rotating pin 443. Both ends of the cross rod 442 are respectively provided with assembly holes, and one end of the two connecting rods 441 is movably connected to the cross rod 442 through the second rotating pin 443 and the assembly hole. Two through holes 411 are correspondingly provided on the bolster 41, and the other ends of the two connecting rods 441 are respectively assembled in the two through holes 411, and the ends of the two connecting rods 441 are movably connected to the bolster 41 through the second rotating pin 443. It is ensured that the train body can remain vertical when passing through a curve or being subjected to a lateral load, or align with the platform when entering the station, so as to meet the needs of vehicle operation.

[0051] Optionally, a stop block 412 is provided in the area between the two connecting rods 441 assembled on the bolster 41. The stop block 412 can limit the swing angle range of the two connecting rods 441 to the left and right. The width of the stop block 412 can be set according to the displacement to be controlled.

[0052] The traction motor 31 provided in the single-axle bogie 1 and the double-axle bogie 2 is a permanent magnet motor. The single-axle frame 11 welded together with the main frame 3, i.e., the overall frame of the single-axle bogie 1, can be made of carbon steel; the double-axle frame 21 welded together with the main frame 3, i.e., the overall frame of the double-axle bogie 2, can be made of carbon steel.

[0053] The traveling assembly 32 arranged in the main frame 3 includes a wheel 321 and a gear box 322. The wheel 321 is connected to the mounting flange on the gear box 322 by bolts, and the swing arm on the gear box 322 is fixedly connected to the first and third assembly areas of the main frame 3 by bolts. A primary shock absorber 323 is fixedly connected between the gear box 322 and the first / third assembly area of ​​the main frame 3 by bolts, which is used to provide a vibration reduction effect between the single-axle bogie 1 / double-axle bogie 2 and the wheel, and reduce the vibration transmitted from the wheel rail to the single-axle bogie 1 / double-axle bogie 2. The primary shock absorber 323 can be a steel spring or a rubber spring. The gear box 322 and the traction motor 31 are fixedly connected to the second assembly area of ​​the main frame 3 by bolts. The output shaft of the traction motor 31 is connected to one end of the coupling, and the other end of the coupling is connected to the gear box 322. The travel assembly 32 also includes a basic braking device, which is installed on the housing flange of the gear box 322. The braking power of the basic braking device is applied to the brake disc of the output shaft of the gear box 322, which can provide braking power to the vehicle body 6.

[0054] like Fig.14 As shown, an automatic coupler 7 is provided on the single-axle bogie 1, and the automatic coupler 7 is connected to a mounting plate 14 fixed on the end face of the single-axle bogie 1 by bolts, and the mounting plate 14 and the end face of the single-axle bogie 1 are connected by welding. The purpose of the automatic coupler 7 is to realize the coupling of two skytrains of the same formation, or a skytrain and an engineering vehicle. Its main application scenarios are the operation conditions of two trains being coupled together or the scenario where other trains or engineering vehicles are needed for rescue due to train failure. When the two trains are coupled, the two automatic couplers 7 of the rescue train and the rescued train are coupled to each other, and during rescue, the automatic coupler 7 of the rescued train is coupled to the coupler of the engineering vehicle.

[0055] Embodiment 2:

[0056] Combination Figures 1 to 16The present invention provides an aerial rail train, in which a car body 6 and a C-shaped track beam 8 are connected by a single-axle bogie 1 and a double-axle bogie 2 as described in any one of the embodiments. Both ends of each car body 6 are equipped with a bolster assembly 5. The bolster 51 structure includes a bolster 51 and a "F"-shaped bracket 52, and two bolsters 51 are connected as a group to the front and rear ends of each car body 6 by bolts. When assembled with the single-axle bogie 1 or the double-axle bogie 2, the "F"-shaped bracket 52 is first fixedly connected to each air spring 42 respectively, and a bracket fixing seat 55 is fixedly connected to the bolster 51, and the two ends of the "F"-shaped bracket 52 are respectively connected to the bracket fixing seat 55, thereby realizing the connection between the single-axle bogie 1 or the double-axle bogie 2 and the car body 6.

[0057] In this embodiment, two car bodies 6 are connected by a double-axle bogie 2, that is, the bolster assembly 5 at the rear end of the front car body 6 is fixedly connected to the car body 6 through a truncated bracket 52 and a rotating suspension assembly 4 on the double-axle bogie 2, and the bolster assembly 5 at the head end of the rear car body 6 is fixedly connected to the car body 6 through a truncated bracket 52, so that the front and rear cars share a double-axle bogie 2 to complete the front-to-back connection and are suspended on the C-shaped track beam 8. The head end of the frontmost car body 6 in the connection of multiple car bodies 6 is connected to the bolster assembly 5 at the head end of the car body 6 by a single-axle bogie 1 and is suspended on the C-shaped track beam 8; the last car body 6 in the connection of multiple car bodies 6 is connected to the bolster assembly 5 connected to the tail end of the car body 6 by a single-axle bogie 1 and is suspended on the C-shaped track beam 8. The car bodies 6 are connected and interlinked by a through passage 61.

[0058] Optionally, a traction rod 53 is installed on the bolster 51. According to the specific assembly situation, one end of the traction rod 53 is fixedly connected to the rod fixing seat 56 on the bolster 51 by bolts, and the other end is fixedly connected to the first fastener 12 of the single-axle bogie 1, or the other end is fixedly connected to the third fastener 22 of the double-axle bogie 2. The traction rod 53 is used to transmit the traction force or braking force to the car body 6, so as to achieve traction and braking of the train.

[0059] Optionally, a transverse shock absorber 54 is further provided between the bolster 51 and the single-axle / double-axle bogie 2, one end of the transverse shock absorber 54 is fixedly connected to a shock absorber fixing seat 57 on the bolster 51 by bolts, and the shock absorber fixing seat 57 is welded or threadedly connected to the bolster 51. The other end of the transverse shock absorber 54 is connected to the second fastener 13 of the single-axle bogie 1 or the fourth fastener 23 on the double-axle bogie 2, and is used to limit the lateral movement of the car body 6 relative to the single-axle bogie 1 or the double-axle bogie 2, so that the lateral deviation of the car body 6 relative to the single-axle bogie 1 or the double-axle bogie 2 can be limited, thereby improving the lateral stability of the train.

[0060] like Fig.15and Fig.16 As shown, a roof device 62 is arranged on the roof of the skyrail train, and the roof device 62 includes a traction control device 621, a charger and a battery box 622, a super capacitor 623, a DC air conditioning unit 624, a hydraulic brake control unit 625, and a DC air compressor 626. The super capacitor 623 is used to provide DC600V direct current power for the train, and is respectively connected to a plurality of traction control devices 621, and the traction control device 621 is connected to the traction motor 31 to control the movement of the traction motor 31. The charger and the battery box 622 are used to convert the DC600V voltage of the super capacitor 623 into a lower DC24V direct current voltage to provide energy for the train control equipment.

[0061] The DC air conditioning unit 624 and the DC air compressor 626 are directly connected to the supercapacitor 623 to obtain a DC 600V power supply. The hydraulic brake control unit 625 is used to control the basic brake device of the bogie. The hydraulic brake control unit 625 is connected to the basic brake device in the single-axle bogie 1 or the double-axle bogie 2 through a hydraulic pipeline. The DC air compressor 626 is used to provide an air source for the air spring 42 in the single-axle bogie 1 / double-axle bogie 2, and can provide an air source for the automatic coupler 7 for automatic uncoupling or automatic coupling.

[0062] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A bogie, characterized in that: It includes a main frame; the main frame is a frame-type frame, including first, second and third assembly areas distributed in sequence along the transverse axis of the main frame; A traction motor is fixedly connected in the second assembly area, and is used to drive the travel components assembled in the first and third assembly areas to move in the C-shaped track beam; Two sets of guide wheels are respectively connected to the two ends of the main frame for vertically rolling along the inner wall of the C-shaped track beam; the end surface of the second assembly area of ​​the main frame is used for welding with the single-axle frame to form a single-axle bogie or welding with the double-axle frame to form a double-axle bogie; The single-axle bogie / double-axle bogie is provided with a rotating suspension assembly; the rotating suspension assembly comprises a bolster, an air spring, a first rotating pin and a connecting rod assembly; the connecting rod assembly is movably connected to the bolster; the air spring is provided on both sides of the connecting rod assembly and fixedly connected to the bolster; The first rotating pin is movably connected to the single-axle frame on the single-axle bogie through the connecting rod assembly; the two first rotating pins are movably connected to the double-axle frame of the double-axle bogie through the two connecting rod assemblies respectively; The connecting rod assembly includes a connecting rod, a cross rod and a second rotating pin; one end of the two connecting rods are movably connected to the two ends of the cross rod through the second rotating pin; the other ends of the two connecting rods are respectively inserted into the through holes of the bolster and movably connected through the second rotating pin.

2. A bogie according to claim 1, characterized in that: A stop block is provided on the bolster to limit the swing angle range of the two connecting rods.

3. A bogie according to claim 1, characterized in that: The traction motor is a permanent magnet motor.

4. A bogie according to claim 1, characterized in that: The overall structure of the single-axle bogie and / or the double-axle bogie is made of carbon steel.

5. A bogie according to claim 1, characterized in that: The travel assembly comprises a gear box connected to the wheels; a primary shock absorber is arranged between the gear box and the main frame; the primary shock absorber is a steel spring or a rubber spring.

6. An aerial rail train, characterized in that: It comprises a car body and a bogie as claimed in any one of claims 1 to 5; pillow block assemblies are provided at both ends of the top of the car body; the pillow block assembly comprises a pillow block and a F-shaped bracket; the single-axle bogie / double-axle bogie is connected to the car body by fixing an air spring to the pillow block via a F-shaped bracket; the multi-section car bodies are suspended on a C-shaped track beam via a double-axle bogie; the outer ends of the first and rear car bodies in the multi-section car body are suspended on the C-shaped track beam via a single-axle bogie.

7. The skyrail train according to claim 6, characterized in that: A traction rod is provided between the bolster and the single-axle / double-axle bogie for achieving traction and braking of the train.

8. The skyrail train according to claim 6, characterized in that: A lateral shock absorber is also provided between the bolster and the single-axle / double-axle bogie; one end of the lateral shock absorber is fixedly connected to the bolster, and the other end is connected to the single-axle / double-axle bogie.

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