WO2024060280A1

WO2024060280A1 - Bogie and aerial rail train

Info

Publication number: WO2024060280A1
Application number: PCT/CN2022/122366
Authority: WO
Inventors: 胡基贵; 黄沈阅; 张驰; 崔周森; 马晓光; 肖遥
Original assignee: 中车南京浦镇车辆有限公司
Priority date: 2022-09-22
Filing date: 2022-09-29
Publication date: 2024-03-28
Also published as: CN115447627A

Abstract

Disclosed in the present invention are a bogie and an aerial rail train in the technical field of aerial rail trains, aiming at solving the problems in the prior art of high construction cost and insufficient economy caused by a large number of bogies configured on a short marshalling train. The bogie comprises a main architecture which is a framework architecture and comprises a first mounting area, a second mounting area, and a third mounting area which are sequentially distributed along the transverse axis of the main architecture; a traction motor is fixedly connected in the second mounting area and is used for driving locomotion assemblies mounted in the first and third mounting areas to move in a C-shaped rail beam; two groups of guide wheels are respectively connected to two ends of the main architecture, and are used for vertically rolling along the inner walls of the C-shaped rail beam; and an end face of the second mounting area of the main architecture is tailor-welded to a single-axle architecture to form a single-axle bogie or tailed-welded to a double-axle architecture to form a double-axle bogie. The present invention is suitable for aerial rail trains, and can achieve overall light weight of marshalling trains and reduce cost.

Description

A kind of bogie and sky rail train

Technical Field

The invention relates to a bogie and an aerial rail train, belonging to the technical field of aerial rail trains.

Background technique

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.

Existing vehicles are connected to each other through couplers and tunnels. For short trains with a large number of bogies, the cost is too high and the economy is insufficient. The large number of bogies causes the bogies to account for a larger proportion of the vehicle's weight and cannot fully utilize the capabilities of the track beams.

Summary of the invention

The object of the present invention is to overcome the deficiencies in the prior art, provide a bogie and an empty rail train, and avoid the problems of the existing short train trains having a large number of bogies, excessive cost, and insufficient economy.

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

The invention provides a bogie, including a main frame; the main frame is a frame-type frame, including first, second, and third assembly areas sequentially distributed along the transverse axis of the main frame;

A traction motor is fixedly connected to the second assembly area for driving the walking components assembled in the first and third assembly areas to move within the C-shaped track beam;

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;

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

Further, the single-axis bogie/double-axis bogie is provided with a rotating suspension assembly; the rotating suspension assembly includes a bolster, an air spring, a first rotating pin and a connecting rod assembly; the connecting rod assembly and the rocker The pillow is movably connected; the air spring is provided on both sides of the connecting rod assembly and is fixedly connected to the bolster;

One of the first rotating pins is movably connected to the single-axis frame on the single-axis bogie through the connecting rod assembly; the two first rotating pins are respectively connected to the double-axis frame of the double-axis bogie through the two connecting rod assemblies. Axis frame movable connection.

Further, the connecting rod assembly includes a connecting rod, a cross bar and a second rotating pin; one end of the two connecting rods is movably connected to both ends of the horizontal bar through a second rotating pin respectively; the two connecting rods are The other ends of the rods are respectively inserted into the through holes of the bolster and movably connected through the second rotation pin.

Further, a stop block is provided on the bolster to limit the swing angle range of the two connecting rods.

Furthermore, the traction motor adopts a permanent magnet motor.

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

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.

The invention provides an empty rail train, which includes a car body and any one of the bogies described above. The top two ends of the car body are provided with bolster assemblies; the bolster assembly includes a bolster and a several-shaped Bracket; the single-axis bogie/bi-axial bogie connects the air spring to the bolster and the car body through a geometric bracket; the multi-section car body is suspended on the C-shaped track through a bi-axial bogie on the beam; the outer ends of the first and last car bodies among the multi-section car bodies are suspended on the C-shaped track beam through a single-axis bogie.

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

Furthermore, a transverse shock absorber is provided between the bolster and the single-axis/bi-axial bogie; one end of the transverse shock absorber is fixedly connected to the bolster, and the other end is connected to the traction rod.

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

The invention provides a bogie. The main frame can be welded into a single-axis bogie or a double-axis bogie through a single-axis frame or a double-axis frame respectively, and is used for assembly in a C-shaped track beam; the guide wheel moves along the C-shaped track beam. The inner wall of the track beam rolls vertically, which can ensure the stability of the single-axis bogie/double-axis bogie operating in the C-shaped track beam.

The bolster in the rotating suspension assembly of the single-axle bogie/double-axle bogie assembly is equipped with an air spring, which can ensure the safety of operation after being connected to the car body; the connecting rod assembly in the rotating suspension assembly allows the bogie and the car body to Relative lateral movement is performed during movement to ensure that the train body can remain vertical when passing through curves or receiving lateral loads or to be aligned with the platform when entering the station to meet the needs of vehicle operation.

In the empty rail train provided by the present invention, the entire train body is connected by using the single-axis bogie and the double-axis bogie provided by the invention. Only the double-axis bogie is used between the two car bodies, which can reduce the load of the bogie on the grouped train. If it is used too much, the entire train body should be assembled in a lightweight manner, which can not only save materials, but also facilitate assembly and improve marshalling efficiency.

Description of the drawings

Figure 1 is a car body connection structure diagram of an empty rail train provided by the present invention;

Figure 2 is a cross-sectional view of the sky rail train in Figure 1;

Figure 3 is a schematic structural diagram of a single-axle bogie;

Figure 4 is a schematic structural diagram of a dual-axle bogie;

Figure 5 is a partial structural diagram of Figure 3;

Figure 6 is a partial structural diagram of Figure 4;

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

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

Figure 9 is a schematic diagram of the connection structure between the main frame and the guide wheel of the single-axis/double-axis bogie;

Figure 10 is a schematic structural diagram of the rotating suspension assembly in a single-axis/double-axis bogie;

Figure 11 is a partial structural diagram of the bolster assembly connected to the vehicle body;

Figure 12 is a schematic structural diagram of the connection between the single-axis bogie and the bolster assembly;

FIG13 is a schematic diagram of the structure of the connection between the double-axle bogie and the bolster assembly;

Figure 14 is a schematic diagram of the connection between the single-axis bogie and the automatic coupler;

Figure 15 shows the layout of roof equipment;

FIG16 is a system schematic diagram of the roof equipment in FIG15;

In the picture: 1. Single-axle bogie; 2. Dual-axle bogie; 3. Main frame; 4. Rotating suspension component; 5. Corbel component; 6. Car body; 7. Automatic coupler; 8. C-shaped track beam

11. Single-axis frame; 12. First fastener; 13. Second fastener; 14. Mounting plate; 21. Dual-axis frame; 22. Third fastener; 23. Fourth fastener; 31 , Traction motor; 32. Walking assembly; 33. Guide wheel; 41. Booster; 42. Air spring; 43. First rotating pin; 44. Connecting rod assembly; 51. Corbel; 52. Geometric bracket; 53 , Traction rod; 54. Transverse shock absorber; 55. Bracket fixed seat; 56. Tie rod fixed seat; 57. Shock absorber fixed seat; 61. Through channel; 62. Roof equipment; 321. Wheels; 322. Gear box ; 323. Primary shock absorber; 411. Through hole; 412. Stopper; 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 ways

The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to more clearly illustrate the technical solutions of the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal axis", "upper", "lower", "front", "back", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention. and simplified 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 construed as a limitation of the present invention. Furthermore, the terms “first”, “second”, etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined by "first," "second," etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Embodiment 1:

Referring to FIGS. 2 to 14 , this embodiment provides a bogie. The main structure of the bogie is a frame-type structure installed in a C-shaped track beam 8 . It is divided into three areas along the transverse axis of the main frame 3, namely the first assembly area, the second assembly area and the third assembly area. The traction motor 31 is installed in the second assembly area in a suspended installation manner; the walking assembly 32 is installed in the first assembly area and the third assembly area. The walking assembly 32 is driven by the traction motor 31 to move within the C-shaped track beam 8 .

As shown in Figures 5, 6 and 9, two sets of guide wheels 33 are connected to both ends of the main frame 3. The connected guide wheels 33 have a guiding role and can roll vertically along the inner wall of the C-shaped track beam 8, so that the main frame 3 can rotate vertically along the inner wall of the C-shaped track beam 8. The frame 3 runs smoothly on the C-shaped track beam 8. The bottom of the second assembly area of the main frame 3 can be welded to 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 to the double-axle frame 21 to form a double-axle bogie 2. . The single-axis bogie 1 or the dual-axis bogie 2 formed by tailor-welding in this way can ensure the stability of operation in the C-shaped track beam 8. A first fastener 12 and a second fastener 13 are provided at the bottom end of the single-axis frame 11 , and a third fastener 22 and a fourth fastener 23 are provided at the bottom end of the dual-axis frame 21 .

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 assembled on the single-axle bogie 1. As shown in Figure 10, Figure 12 and Figure 13, two rotating suspension assemblies 4 are assembled on the biaxial 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 assembled on the bolster 41 and can swing left and right relative to the bolster 41 . Two air springs 42 are installed on the bolsters 41 on both sides of the link assembly 44. The air spring 42 is subsequently connected to the vehicle body 6 so that the vehicle body 6 can 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-axis frame 11 of the single-axis bogie 1 to realize the connection between the rotating suspension assembly 4 and the bogie, and is connected to the vehicle body 6 through the rotating suspension assembly 4 .

The dual-axis frame 21 of the dual-axis bogie 2 is provided with two mounting holes. The two first rotating pins 43 pass through the two connecting rod assemblies 44 and the mounting holes respectively, connecting the two sets of rotating suspension assemblies 4 on the dual-axis steering. On the frame 2, the two car bodies 6 are combined and connected through a double-axle bogie 2.

Optionally, as shown in FIG. 10 , the connecting rod assembly 44 includes a connecting rod 441, a cross rod 442 and a second rotating pin 443. Assembly holes are respectively provided at both ends of the cross rod 442, 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 a curve or being subjected to a lateral load, or align with the platform when entering the station, so as to meet the vehicle operation needs.

Optionally, a stop block 412 is provided in the area between the two links 441 assembled on the bolster 41. The stop block 412 can limit the swing angle range of the two links 441. The width of the stop block 412 can be determined according to Set the displacement amount to be controlled.

The traction motors 31 provided in the single-axle bogie 1 and the double-axle bogie 2 adopt permanent magnet motors. The single-axis frame 11 welded together with the main frame 3, that is, the overall frame of the single-axis bogie 1, can be made of carbon steel; the double-axis frame 21 welded together with the main frame 3, that is, the overall frame of the double-axis bogie 2 Can be made of carbon steel.

The traveling assembly 32 provided in the main frame 3 includes wheels 321 and a gear box 322 . The wheel 321 is connected to the mounting flange on the gear box 322 through bolts, and the rotating arms on the gear box 322 are respectively fixedly connected to the first and third assembly areas of the main frame 3 through bolts. A series of shock absorbers 323 are fixedly connected through bolts between the gearbox 322 and the first/third assembly areas of the main frame 3 to provide a vibration damping effect between the single-axle bogie 1/double-axle bogie 2 and the wheels. , reduce the vibration transmitted from the wheel rail to the single-axle bogie 1/double-axle bogie 2. The first series of shock absorbers 323 can use steel springs or rubber springs. The gearbox 322 and the traction motor 31 are connected to the second assembly area of the main frame 3 through 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 traveling 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 to provide braking for the vehicle body 6. Motivation.

As shown in Figure 14, the single-axle bogie 1 is provided with an automatic coupler 7. The automatic coupler 7 is connected to the mounting plate 14 fixed on the end face of the single-axle bogie 1 through bolts. The mounting plate 14 is connected to the end face of the single-axle bogie 1. Connected by welding. The purpose of the automatic coupler 7 is to realize the coupling of two sky rail trains of the same group, or the sky rail train and the engineering vehicle. Its main application scenarios are the overlapping operation conditions of the two trains or the need for other trains or engineering vehicles to perform due to train failure. Rescue scene. When the two trains are coupled, the two automatic couplers 7 of the rescue train and the rescued train are coupled to each other. During the rescue, the automatic coupler 7 of the rescued train is coupled to the coupler of the engineering vehicle.

Example 2:

In conjunction with Figures 1 to 16, the present invention provides an aerial rail train, in which the car body 6 and the C-shaped track beam 8 are connected by the single-axle bogie 1 and the double-axle bogie 2 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 the 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.

In this embodiment, a biaxial bogie 2 is used to connect the two car bodies 6 , that is, the bolster assembly 5 at the rear end of the previous car body 6 is connected to a rotating suspension component on the biaxial bogie 2 through a geometric bracket 52 4 is fixedly connected to the car body 6, and the bolster assembly 5 at the head end of the latter car body 6 is fixedly connected to the other rotating suspension assembly 4 on the biaxial bogie 2 to the car body 6 through a geometric bracket 52, so that the front and rear The two vehicles share a double-axle bogie 2 to complete the front and rear 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-axis bogie 1, and is suspended on the C-shaped track beam 8; multiple car bodies The last car body 6 in the 6 connection is connected to the bolster assembly 5 connected to the rear end of the car body 6 by a single-axis bogie 1, and is suspended from the C-shaped track beam 8. The vehicle bodies 6 are connected through passages 61 .

Optionally, the bolster 51 is equipped with a traction rod 53. According to the specific assembly situation, one end of the traction rod 53 is fixedly connected to the tie rod fixing seat 56 on the bolster 51 through bolts, and the other end is connected to the single-axis bogie 1. The first fastener 12 is fixedly connected, 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 or braking force to the car body 6 to realize the traction of the train. and braking.

Optionally, a transverse shock absorber 54 is also provided between the bolster 51 and the single/biaxial bogie 2. One end of the transverse shock absorber 54 is fixedly connected to the shock absorber holder 57 on the bolster 51 through bolts. , the shock absorber fixing seat 57 is welded or screwed 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 of the dual-axle bogie 2 to limit the steering of the vehicle body 6 relative to the single-axle The lateral movement of the frame 1 or the double-axle bogie 2 can limit the lateral deflection of the car body 6 relative to the single-axle bogie 1 or the double-axle bogie 2 and improve the lateral stability of the train.

As shown in Figures 15 and 16, a roof equipment 62 is installed on the roof of the sky rail train. The roof equipment 62 includes a traction control device 621, a charger and a battery box 622, a supercapacitor 623, a DC air conditioning unit 624, Hydraulic brake control unit 625, DC air compressor 626. The supercapacitor 623 is used to provide DC600V direct current power for the train, and is respectively connected to multiple traction control devices 621 . The traction control device 621 is connected to the traction motor 31 and is used to control the movement of the traction motor 31 . The charger and battery box 622 are used to convert the DC600V voltage of the supercapacitor 623 into a lower DC24V DC voltage to provide energy for the train control equipment.

The DC air conditioning unit 624 and the DC air compressor 626 are directly connected to the supercapacitor 623 to obtain DC600V power supply. The hydraulic brake control unit 625 is used to control the basic braking device of the bogie. The hydraulic brake control unit 625 is connected to the basic braking device in the single-axle bogie 1 or the dual-axle bogie 2 through hydraulic pipelines. 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.

The above are only preferred embodiments of the present invention. It should be noted that those of ordinary skill in the art can also make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims

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 sequentially along the transverse axis of the main frame;

A traction motor is fixedly connected to the second assembly area for driving the walking components assembled in the first and third assembly areas to move within the C-shaped track beam;

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;

The end surface of the second assembly area of the main frame is used for tailor welding with the single-axle frame to form a single-axle bogie or with the double-axle frame to form a double-axle bogie.
A bogie according to claim 1, characterized in that the single-axis bogie/double-axis bogie is provided with a rotating suspension assembly; the rotating suspension assembly includes a bolster, an air spring, a first rotating pin and a 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 is fixedly connected to the bolster;

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.
A bogie according to claim 2, characterized in that the connecting rod assembly includes a connecting rod, a cross bar and a second rotating pin; one ends of the two connecting rods are movably connected through the second rotating pin respectively. At both ends of the cross bar; the other ends of the two connecting rods are respectively inserted into the through holes of the bolster and are movably connected through a second rotating pin.
The bogie according to claim 3, characterized in that a stop block is provided on the bolster to limit the swing angle range of the two connecting rods.
A bogie according to claim 1, characterized in that the traction motor adopts a permanent magnet motor.
A bogie according to claim 1, characterized in that the overall frame of the single-axle bogie or/and the double-axle bogie is made of carbon steel.
A bogie according to claim 1, characterized in that the traveling assembly includes a gearbox connected to the wheels; a series of shock absorbers are provided between the gearbox and the main frame; the first series Shock absorbers are steel springs or rubber springs.
An empty rail train, characterized in that it includes a car body and a bogie according to any one of claims 1 to 7; the top ends of the car body are provided with bolster assemblies; the bolster assembly includes bolsters Beams and geometric brackets; the single-axis bogie/double-axis bogie connects the air spring to the bolster and the car body through the geometric bracket; the multiple sections of the car body are suspended by a bi-axial bogie on the C-shaped track beam; the outer ends of the first and last car bodies among the multi-section car bodies are suspended on the C-shaped track beam through a single-axis bogie.
An empty rail train according to claim 7, characterized in that a traction rod is provided between the sleeper beam and the single-axle/double-axle bogie for traction and braking of the train.
An empty rail train according to claim 8, characterized in that a transverse shock absorber is provided between the corbel and the single-axis/bi-axial bogie; one end of the transverse shock absorber is fixed to the corbel. The other end is connected to the traction rod.