CN216886691U

CN216886691U - Anti-creeper device and rail vehicle

Info

Publication number: CN216886691U
Application number: CN202220550063.4U
Authority: CN
Inventors: 刘岳平; 王小杰; 刘龙玺; 户迎灿; 蒋欣
Original assignee: CRRC Qingdao Sifang Co Ltd
Current assignee: CRRC Qingdao Sifang Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-05
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses an anti-creeper device and a rail vehicle.

Description

Anti-creeper device and rail vehicle

Technical Field

The utility model relates to the technical field of rail vehicle collision avoidance, in particular to an anti-creeper device and a rail vehicle.

Background

The anticreeper is a safety device installed at the end of the train body, can prevent a train from climbing to another train when the trains collide, and can absorb the energy of longitudinal impact. Therefore, the safety of a driver and passengers can be ensured to the maximum extent.

The anti-creeper is provided with an energy-absorbing material, and the energy-absorbing material can be extruded to deform when two vehicles collide with each other, so that collision energy is effectively buffered, and collision force is reduced.

The current anticreeper has the guide bar to be used for guiding the energy-absorbing material deformation, and when the energy-absorbing material takes place deformation, the guide bar also backward moved simultaneously. At present, when the backward moving speed of the guide rod is too high, the situation of vertical deflection often exists, and the anti-climbing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-creeper device with a relatively high anti-creeper effect reliability and a rail vehicle.

The utility model provides an anti-creeper device which comprises an anti-creeper and a stop assembly, wherein the anti-creeper comprises a main body part, an energy absorption part and a guide rod, the first end part of the main body part is provided with an anti-creeper structure, the guide rod is used for guiding the deformation of the energy absorption part, the energy absorption part is at least longitudinally positioned on the underframe of a railway vehicle through the stop assembly, and the anti-creeper device further comprises a guide part which is used for restraining the guide rod to move longitudinally.

The guiding component is used for restraining the guide rod to move along the longitudinal direction, when the energy absorbing part deforms in the event of collision, the guide rod can only move along the longitudinal direction under the restraint of the guiding component, the guide rod is prevented from moving upwards or downwards, the guiding effect on the anti-creeper is achieved, and the working reliability of the anti-creeper is greatly improved.

Optionally, the stop assembly comprises a stop beam, an end beam and at least one support beam, the stop beam and the end beam extend transversely and are arranged longitudinally in a front-to-back manner, and the support beam extends longitudinally and is fixedly connected between the stop beam and the end beam at two ends; one end, far away from the main body part, of the energy absorption part is fixed to the stop beam, and one end, far away from the main body part, of the guide rod can penetrate through the stop beam to be matched with the guide component.

Optionally, the stop beam and the support beam, the end beam and the support beam form a frame structure through a welding process;

or the stop beam, the support beam, the end beam and the support beam are fixedly connected through bolts to form a frame structure.

Optionally, the guide member includes a guide tube, and when the energy absorbing portion is in an undeformed state, a tube section of an end portion of the guide rod away from the main body portion is located inside the guide tube.

Optionally, the stopping beam is provided with a through hole matched with the guide rod, and the end of the guide rod penetrates through the through hole and extends into the guide pipe.

Optionally, the inner peripheral wall of the guide tube and the outer peripheral wall of the guide rod are identical in cross-sectional shape and are matched with each other.

Optionally, the first end of the guide tube is fixed to a side surface of the stop beam away from the energy absorbing portion.

Optionally, the second end of the guide tube is supported by the end beam, and the end beam is provided with a supporting surface matched with the guide tube.

Optionally, the main body portion has an accommodating cavity facing the opening of the energy absorbing portion, the energy absorbing portion is at least partially located in the accommodating cavity, the anti-creep structure is fixed to an outer wall of the accommodating cavity, the guide rod is coaxially arranged with the accommodating cavity, and one end of the guide rod is fixed to an inner wall of the accommodating cavity.

In addition, the utility model also provides a railway vehicle which comprises an underframe and the anti-creeper device.

Drawings

FIG. 1 is a schematic illustration of a portion of a rail vehicle undercarriage having an anti-creeper apparatus installed therein in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of the anti-creeper device of FIG. 1;

FIG. 3 is a cross-sectional view of a partial component of the anti-creeper device of FIG. 2;

fig. 4 is a schematic structural view of the stop assembly of fig. 1.

Wherein, the one-to-one correspondence between the reference numbers and the part names in fig. 1 to 4 is as follows:

1, an anti-creeper; 11 a main body portion; 12 an energy absorbing portion; 13 anti-climbing teeth; 2a stop assembly; 21 stop beams; 21a through hole; 211 lightening holes; 22 end beams; 22a lightening holes; a 221 support surface; 23 supporting the beam; 3 a guide tube.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, fig. 1 is a partial structural schematic view of a railway vehicle underframe provided with an anti-creeper device according to an embodiment of the present invention; FIG. 2 is a schematic structural view of the anti-creeper device of FIG. 1; FIG. 3 is a cross-sectional view of a partial component of the anti-creeper device of FIG. 2; fig. 4 is a structural schematic of the stop assembly of fig. 1.

The utility model provides a rail vehicle, wherein two end parts of the rail vehicle are generally provided with anti-creeper devices, which are used for preventing a train from climbing to another train when the trains collide and can absorb the energy of longitudinal impact.

The anti-creeper device 200 comprises an anti-creeper 1 and a stopper assembly 2, wherein the anti-creeper 1 comprises a main body part 11, an energy absorbing part 12 and a guide rod, a first end part of the main body part 11 is provided with anti-creeper teeth 13, and the anti-creeper teeth 13 are generally of a convex-concave structure. The guide rods are used for guiding the deformation of the energy absorbing part 12, that is, when the energy absorbing part 12 is deformed, the guide rods can play a role of guiding the deformation of the energy absorbing part 12, so that the energy absorbing part 12 is deformed along a predetermined direction, and basically, the energy absorbing part 12 is deformed along the longitudinal direction. The energy absorbing portion 12 may be a member that provides cushioning and guiding in the event of failure, but may be a member of other types of structures.

The energy absorbing portion 12 of the present invention is positioned at least longitudinally to the undercarriage of the rail vehicle by the stop assembly 2, and the anti-creeper device 200 further includes a guide member for restraining the guide bar from moving longitudinally.

The anti-climbing device is provided with the guide part for restraining the guide rod to move along the longitudinal direction, when the energy absorption part 12 deforms in the event of collision, the guide rod can only move along the longitudinal direction under the restraint of the guide part, the guide rod is prevented from moving upwards or downwards, the guiding effect on the anti-climbing device 1 is achieved, and the working reliability of the anti-climbing device 1 is greatly improved.

In one embodiment, the stop assembly 2 may include a stop beam 21, an end beam 22, and at least one support beam 23, with the present application showing embodiments including two support beams 23. The stop beam 21 and the end beam 22 extend transversely and are arranged longitudinally and back, and the support beam 23 extends longitudinally and is fixedly connected between the stop beam 21 and the end beam 22 at two ends; it should be noted that, here, the width direction of the rail vehicle is defined as the lateral direction, and the length direction of the rail vehicle is defined as the longitudinal direction. The structures and materials of the stopper beam 21, the end beam 22 and the support beam 23 are not limited herein as long as the use requirements are satisfied. In order to reduce the weight of the whole vehicle, the stop beam 21, the end beam 22 and the support beam 23 may be provided with lightening holes, for example, the stop beam 21 is provided with lightening holes 211, and the end beam 22 is provided with lightening holes 22 a.

The end of the energy absorbing part 12 away from the main body part 11 is fixed to the stop beam 21, and the end of the guide rod away from the main body part 11 can penetrate through the stop beam 21 to be matched with the guide component.

In this embodiment, the stopper beam 21, the end beam 22, and the support beam 23 form a frame structure, and have high use strength and high stability.

In one specific example, the stopper beam 21 and the support beam 23, the end beam 22 and the support beam 23 form a frame structure through a welding process; the two parts are connected by welding, and the fixing strength is high.

Of course, the stop beam 21 and the support beam 23, the end beam 22 and the support beam 23 may be fixedly connected by bolts to form a frame structure. Two parts connected by the bolt can be detached, so that the bolt is convenient to adjust and high in assembly convenience.

In the above embodiments, the guiding member comprises the guiding tube 3, and when the energy absorbing portion 12 is in an undeformed state, a tube section of one end of the guiding rod, which is far away from the main body portion 11, is located inside the guiding tube 3. Namely, a pipe section of the guide rod is always positioned inside the guide pipe 3, so that the guide pipe 3 can play a role in restraining the guide rod when the energy absorbing part 12 is deformed. The length of the pipe section of the guide rod inside the guide pipe 3 can be determined according to the specific use environment, as long as the guide rod can guide the longitudinal movement of the guide rod.

In a specific example, the stopper beam 21 is provided with a through hole that is fitted with a guide rod, and an end portion of the guide rod extends into the guide tube 3 through the through hole. The through hole can further play the spacing effect of guide arm like this.

In the above embodiments, the inner peripheral wall of the guide tube 3 and the outer peripheral wall of the guide rod have the same cross-sectional shape and are fitted to each other. For example, the guide tube 3 and the guide rod may be circular tubes, but may also be other tubes, such as square tubes, rectangular tubes, or tubes with a special cross section.

In particular, the first end of the guide tube 3 can be fixed to a side of the stop beam 21 remote from the energy absorption portion 12. Thus, the guide tube 3 may be previously assembled with the stopper assembly 2 and then mounted to the base frame 100 together.

In order to improve the stability of the installation of the guide tube 3, the second end of the guide tube 3 is supported on an end beam 22, and the end beam 22 is provided with a supporting surface which is matched with the guide tube 3.

In one embodiment, the main body 11 has a cavity opening toward the energy absorbing portion 12, the energy absorbing portion 12 is at least partially located in the cavity, and the anti-creep structure 13 is fixed to an outer wall of the cavity and may be connected by welding. The guide rod and the cavity are coaxially arranged, and one end of the guide rod is fixed on the inner wall of the cavity.

Of course, the concrete structure of the anti-creeper is not limited to the above description, and other structures can be adopted.

The anti-creeper device and the rail vehicle provided by the utility model are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides an anticreeper device, its characterized in that, includes anticreeper and backstop subassembly, the anticreeper includes main part, energy-absorbing portion and guide arm, the first end of main part has the anticreeper structure, the guide arm is used for the guide energy-absorbing portion deformation, energy-absorbing portion passes through the at least vertical chassis of being located rail vehicle of backstop subassembly, the anticreeper device still includes guide member, is used for the restraint guide arm is along longitudinal movement.

2. The device of claim 1 wherein the stop assembly comprises a stop beam, an end beam and at least one support beam, the stop beam and the end beam extending laterally and longitudinally forward and rearward, the support beam extending longitudinally and having both ends fixedly connected between the stop beam and the end beam; one end, far away from the main body part, of the energy absorption part is fixed to the stop beam, and one end, far away from the main body part, of the guide rod can penetrate through the stop beam to be matched with the guide component.

3. The creeper apparatus of claim 2, wherein the stop beam and the support beam, the end beam and the support beam form a frame structure through a welding process;

4. The device of claim 2, wherein the guide member comprises a guide tube, and wherein a portion of the tube section of the guide rod distal from the main body portion is positioned within the guide tube when the energy absorbing portion is in the undeformed state.

5. The creeper device of claim 4, wherein the stopper beam is provided with a through hole that engages with the guide rod, and an end of the guide rod extends through the through hole into the interior of the guide tube.

6. The creeper device of claim 4, wherein the inner circumferential wall of the guide tube and the guide rod outer circumferential wall are identical in cross-sectional shape and are fitted to each other.

7. The device of any one of claims 4 to 6, wherein the first end of the guide tube is secured to a side of the stop beam remote from the energy absorbing portion.

8. The creeper device of claim 7, wherein the second end of the guide tube is supported to the end beam, the end beam being provided with a support surface that engages the guide tube.

9. The anti-creeper device of claim 1, wherein the main body portion has a cavity that opens toward the energy absorbing portion, the energy absorbing portion is at least partially located in the cavity, the anti-creeper structure is fixed to an outer wall of the cavity, the guide bar is coaxially arranged with the cavity and has one end fixed to an inner wall of the cavity.

10. A rail vehicle comprising an underframe, characterized in that it further comprises an anti-creeper device according to any one of claims 1 to 9.