Bushing for road-rail car and car coupling device

Abstract

The utility model discloses a bushing for a rail-road car and a car coupling device, the bushing for the rail-road car comprises two half bushings, an accommodating space is formed between the two half bushings, and a bearing is arranged in the accommodating space; the structure of the containing space is matched with the outer wall of the bearing, and the bearing can axially rotate and vertically rotate in the containing space. According to the bushing for the road-rail car, the bearing can flexibly rotate within a certain range in the bushing, when the car passes through a curve, the bearing can rotate axially and also can rotate vertically, the rotation amount can be adjusted, and a guarantee is provided for the safety when the car passes through the curve; and meanwhile, the structure is simple, operation is easy, and universality is high.

Description

Technical Field

[0001] The utility model relates to a bushing for a road-rail dual-purpose vehicle and a vehicle coupling device. Background Art

[0002] In recent years, according to the needs of the transportation market, the volume of bulk cargo with high added value has increased significantly, and the timeliness of cargo transportation has become a focus of attention. The use of road-rail dual-purpose vehicles can avoid the "last mile" of reverse transportation from the railway transportation station to the destination, breaking through the technical bottleneck of freight equipment. Therefore, the driving safety of road-rail dual-purpose vehicles has received widespread attention.

[0003] In a road-rail vehicle, the bearing in the connecting hole of a coupling device needs to cooperate with the bushing. Ordinary bushings can only rotate axially and cannot achieve vertical rotation. However, when the vehicle passes through a vertical curve, the rotational freedom needs to be adjusted to ensure driving safety. Utility Model Content

[0004] In view of this, one object of the utility model is to provide a bushing for a road-rail dual-purpose vehicle, when the vehicle passes through a curve, the bearing can not only rotate axially but also rotate vertically, and the amount of rotation can be adjusted to ensure driving safety. Another object of the utility model is to provide a vehicle coupling device.

[0005] On the one hand, the utility model provides a bushing for a road-rail dual-purpose vehicle, comprising two half bushings, a receiving space being formed between the two half bushings, and a bearing being arranged in the receiving space; the structure of the receiving space matches the outer wall of the bearing, and the bearing is arranged to be able to rotate axially and vertically in the receiving space.

[0006] In the utility model, the road-rail dual-purpose vehicle bushing is composed of two half bushings, and the two half bushings form a receiving space. The bearing is arranged in the receiving space and can rotate axially and vertically in the receiving space, so that when the vehicle passes through a vertical curve, the rotational freedom can be adjusted to ensure driving safety.

[0007] According to the utility model of the road-rail dual-purpose vehicle bushing, preferably, each of the half bushings includes a first body and a second body; the first body is configured as a structure similar to a semi-cylindrical structure, the outer side surface of which is semi-cylindrical, and the inner wall is configured as a hemispherical surface; the second body is configured on the top of the first body, and the second body is configured as a semicircular plate-like structure, and the inner wall of which is configured as a hemispherical surface.

[0008] In the utility model, each half bushing includes a first body and a second body; the outer surface of the first body can be set to a semi-cylindrical shape, so that it can be directly used in the existing coupling device without changing the structure of the existing coupling device. The inner wall of the first body is preferably set to a hemispherical surface, so that after assembly, the bearing can rotate 360° in the bushing (both axially and vertically).

[0009] According to the utility model of the bushing for road-rail dual-purpose vehicles, preferably, the inner wall of the second body and the inner wall of the first body are cospherical; a portion of the outer side of the second body extends horizontally out of the first body.

[0010] According to the bushing for a road-rail dual-purpose vehicle of the utility model, preferably, a first chamfer is provided between the bottom surface and the outer side surface of the first body.

[0011] According to the bushing for road-rail dual-purpose vehicles of the utility model, preferably, a second chamfer is provided between the upper surface and the outer side surface of the second body.

[0012] On the other hand, the utility model also provides a vehicle coupling device, including the above-mentioned road-rail dual-purpose vehicle bushing, bearing, a first-position coupling device and a second-position coupling device; wherein,

[0013] The bearing is arranged in the accommodation space of the bushing, and the bearing is arranged to be able to rotate axially and vertically in the accommodation space;

[0014] The first-stage connecting device is provided with a connecting hole, the bearing and the bushing are arranged in the connecting hole, the bushing is wrapped outside the bearing, and an interference fit is adopted between the bushing and the connecting hole;

[0015] The first-position coupling device is matched with the second-position coupling device, and the two are respectively fixed on the first-position end beam and the second-position end beam of the underframe of the road-rail dual-purpose vehicle.

[0016] According to the vehicle coupling device of the present invention, preferably, the outer surface of the bearing is set to be a spherical surface, and the inner surface is cylindrical, and the outer surface matches the inner wall of the bushing.

[0017] In the utility model, the outer surface of the bearing is set to be a spherical surface, which matches the inner wall of the bushing, and the diameters of the two are the same. Grease can be applied to the bearing and the bushing before assembly. After the assembly is completed, the bearing can rotate freely at various angles in the bushing, and the rotation amount can be adjusted, thereby ensuring the safety of the vehicle when passing through curves.

[0018] According to the vehicle coupling device of the utility model, preferably, the first-position coupling device includes a plug end and two first fixed ends; the connecting hole is opened at one end of the plug end; the two first fixed ends are arranged relatively parallel to one end of the plug end away from the connecting hole; the first fixed end is fixedly connected to a first-position end beam of the underframe of the road-rail dual-purpose vehicle.

[0019] According to the vehicle coupling device of the utility model, preferably, one end of the two-position coupling device is provided with a slot with a wide-angle opening, and the other end is a second fixed end; opposite axial holes are opened on the upper and lower walls of the slot; the second fixed end is fixedly connected to the two-position end beam of the road-rail dual-purpose vehicle underframe.

[0020] According to the vehicle coupling device of the utility model, preferably, the plug end of the first coupling device matches the slot of the second coupling device; and the connecting hole of the first coupling device corresponds to the shaft hole of the second coupling device.

[0021] The utility model provides a bushing for a dual-purpose road and rail vehicle so that the bearing can rotate flexibly within a certain range in the bushing. When the vehicle passes through a curve, the bearing can not only rotate axially but also rotate vertically, and the amount of rotation can be adjusted, thereby providing a guarantee for the safety of the vehicle when passing through the curve. At the same time, the utility model has a simple structure, is easy to operate, and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a structural schematic diagram of a bushing for a road-rail dual-purpose vehicle.

[0023] Figure 2 It is a structural schematic diagram of the bearing of the utility model.

[0024] Figure 3 It is a structural schematic diagram of a single-stage hanging device of the utility model.

[0025] Figure 4 It is a structural schematic diagram of a two-position hanging device of the utility model.

[0026] Figure 5 The utility model is a composition diagram of a bushing, a bearing and a connecting device.

[0027] Description of reference numerals:

[0028] 1-half bushing, 11-first body, 111-first chamfer, 12-second body, 121-second chamfer;

[0029] 2-Bearing;

[0030] 3-a connecting and hanging device, 31-a plug end, 311-a connecting hole, 32-a first fixing end;

[0031] 4-two-position connecting device, 41-slot, 411-axis hole, 42-second fixed end. DETAILED DESCRIPTION

[0032] The present invention is described in more detail below, but the present invention is not limited thereto.

[0033] Example 1

[0034] Figure 1 The utility model is a structural schematic diagram of a bushing for a road-rail dual-purpose vehicle.

[0035] like Figure 1 As shown, the bushing of this embodiment is a bushing for a road-rail dual-purpose vehicle, which includes two half bushings 1, a receiving space is formed between the two half bushings 1, and the two half bushings 1 are symmetrically arranged with the central axis of the receiving space as the axis. The bearing 2 is arranged in the receiving space; the structure of the receiving space matches the outer wall of the bearing 2 and the bearing 2 can rotate axially and vertically in the receiving space. In this way, it can be ensured that the vehicle can adjust the rotational freedom when passing through a vertical curve, ensuring driving safety.

[0036] Each half bushing 1 includes a first body 11 and a second body 12, wherein the second body 12 is arranged on the top of the first body 11, and the two are integrally formed.

[0037] The first body 11 is configured as a semi-cylindrical structure, the outer side of which is semi-cylindrical, and the inner wall is configured as a hemispherical surface. The second body 12 is configured as a semi-circular plate-like structure, the inner wall of which is configured as a hemispherical surface, and is co-spherical with the inner wall of the first body 11, and a portion of the outer side of the second body 12 extends horizontally beyond the outer side of the first body 11, so that a step is formed between the first body 11 and the second body 12. A first chamfer 111 is configured between the bottom surface and the outer side of the first body 11; a second chamfer 121 is configured between the upper surface and the outer side of the second body 12.

[0038] Example 2

[0039] Figure 2 It is a structural schematic diagram of the bearing of the utility model. Figure 3 It is a structural schematic diagram of a single-stage hanging device of the utility model. Figure 4 It is a structural schematic diagram of a two-position hanging device of the utility model. Figure 5 The utility model is a composition diagram of a bushing, a bearing and a connecting device.

[0040] like Figures 2 to 5 As shown, this embodiment provides a vehicle coupling device, which includes the road-rail dual-purpose vehicle bushing, bearing 2, first-position coupling device 3 and second-position coupling device 4 described in embodiment 1.

[0041] The bearing 2 is arranged in the accommodating space of the bushing. The outer surface of the bearing 2 is arranged to be a spherical surface, and the inner surface is arranged to be a cylindrical surface. The outer surface of the bearing 2 matches the inner wall of the bushing.

[0042] like Figure 3 and Figure 5 As shown, the first-stage connecting device 3 includes a plug end 31 and two first fixed ends 32; a connecting hole 311 is provided at one end of the plug end 31, a bearing 2 and a bushing are arranged in the connecting hole 311, a bushing is wrapped outside the bearing 2, and the bushing and the connecting hole 311 are interference fit. The two first fixed ends 32 are arranged relatively parallel to one end of the plug end 31 away from the connecting hole 311. The bushing is fixed to the first-stage connecting device 3, and the bearing 2 can rotate 360° (axially and vertically) in the bushing. The first fixed end 32 is fixedly connected to the first-stage end beam of the underframe of the road-rail dual-purpose vehicle.

[0043] like Figure 4 As shown, one end of the two-position connecting device 4 has a slot 41 with a wide-angle opening, and opposite shaft holes 411 are opened on the upper and lower walls of the slot 41, and the other end of the two-position connecting device 4 is a second fixed end 42. The plug end 31 of the first connecting device 3 matches the slot 41 of the two-position connecting device 4, and the connection hole 311 of the first connecting device 3 corresponds to the shaft hole 411 of the two-position connecting device 3. The second fixed end 42 is fixedly connected to the two-position end beam of the underframe of the road-rail dual-purpose vehicle.

[0044] The present invention is not limited to the above-mentioned embodiments. Without departing from the essential content of the present invention, any deformation, improvement, and substitution that can be thought of by those skilled in the art shall fall within the scope of the present invention.

Claims

1. A bushing for a road-rail dual-purpose vehicle, characterized in that: It comprises two half bushings, a receiving space is formed between the two half bushings, and a bearing is arranged in the receiving space; the structure of the receiving space matches the outer wall of the bearing, and the bearing is arranged to be able to rotate axially and vertically in the receiving space.

2. The bushing for road-rail dual-purpose vehicles according to claim 1, characterized in that: Each of the half-bushings includes a first body and a second body; the first body is configured as a structure similar to a semi-cylindrical structure, whose outer side surface is semi-cylindrical and whose inner wall is configured as a hemispherical surface; the second body is configured as a top of the first body, and the second body is configured as a semicircular plate-like structure, and whose inner wall is configured as a hemispherical surface.

3. The bushing for a road-rail dual-purpose vehicle according to claim 2, characterized in that: The inner wall of the second body and the inner wall of the first body are cospherical; a portion of the outer side of the second body extends horizontally out of the first body.

4. The bushing for a road-rail dual-purpose vehicle according to claim 3, characterized in that: A first chamfer is provided between the bottom surface and the outer side surface of the first body.

5. The bushing for road-rail dual-purpose vehicle according to claim 4, characterized in that: A second chamfer is provided between the upper surface and the outer side surface of the second body.

6. A vehicle coupling device, characterized in that: The invention comprises a bushing, a bearing, a first-position coupling device and a second-position coupling device for a road-rail dual-purpose vehicle as claimed in any one of claims 1 to 5; wherein: The bearing is arranged in the accommodation space of the bushing, and the bearing is arranged to be able to rotate axially and vertically in the accommodation space; The first-stage connecting device is provided with a connecting hole, the bearing and the bushing are arranged in the connecting hole, the bushing is wrapped outside the bearing, and an interference fit is adopted between the bushing and the connecting hole; The first-position coupling device is matched with the second-position coupling device, and the two are respectively fixed on the first-position end beam and the second-position end beam of the underframe of the road-rail dual-purpose vehicle.

7. The vehicle coupling device according to claim 6, characterized in that: The outer surface of the bearing is set to be a spherical surface, and the inner surface is cylindrical, and the outer surface of the bearing matches the inner wall of the bushing.

8. The vehicle coupling device according to claim 7, characterized in that: The first-position connecting device includes a plug end and two first fixed ends; one end of the plug end is provided with the connecting hole; the two first fixed ends are arranged relatively parallel to the end of the plug end away from the connecting hole; the first fixed end is fixedly connected to a first-position end beam of the underframe of the road-rail dual-purpose vehicle.

9. The vehicle coupling device according to claim 8, characterized in that: One end of the two-position coupling device is provided with a slot with a wide-angle opening, and the other end is a second fixed end; opposite axial holes are opened on the upper and lower walls of the slot; the second fixed end is fixedly connected to the two-position end beam of the road-rail dual-purpose vehicle underframe.

10. The vehicle coupling device according to claim 9, characterized in that: The plug end of the first-position connecting device matches the slot of the second-position connecting device; the connecting hole of the first-position connecting device corresponds to the shaft hole of the second-position connecting device.

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