CN108674443B

CN108674443B - Ground supporting vertical bearing device suitable for variable gauge bogie

Info

Publication number: CN108674443B
Application number: CN201810600274.2A
Authority: CN
Inventors: 刘玉梅; 刘鹏程; 苏建; 熊伟; 庄娇娇; 乔宁国; 胡婷; 韩孟跞; 赵心纶; 陈希明; 王多洋
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2024-01-30
Anticipated expiration: 2038-06-12
Also published as: CN108674443A

Abstract

The invention discloses a ground matching vertical bearing device suitable for a variable-track-gauge bogie, which is characterized in that: comprises a bearing rolling body, a chain plate, an upper groove type bearing seat, a lower groove type bearing seat and a bracket; the invention aims to solve the problems of limited bearing capacity, complex structure and large radial size of the bearing roller of the conventional ground supporting equipment of the variable-track bogie, and the ground supporting vertical bearing device suitable for the variable-track bogie has the advantages of strong bearing capacity, simple structure, small radial size of the bearing roller and convenient maintenance.

Description

Ground supporting vertical bearing device suitable for variable gauge bogie

Technical Field

The invention belongs to the technical field of railway track devices, and relates to a ground supporting vertical bearing device suitable for a variable-track-gauge bogie.

Background

With the rapid development of global economy integration, business trade business and cultural exchanges between countries and regions are increasingly frequent, the demand of passenger and cargo transportation between countries and regions is rapidly increased, and different gauges become bottlenecks which seriously obstruct the development of railway transportation between countries and regions, so that in order to solve the international intermodal problem caused by different railway gauges, a set of variable-gauge bogie equipment is required to be developed to adapt to the direct running of different gauges, and a ground variable-gauge matching device corresponding to the variable-gauge bogie equipment is necessary; when a vehicle passes through a ground track-changing facility, in order to change the unloading distance of wheel sets, a load is carried by an axle box, and when the load is carried by the axle box, a corresponding ground vertical carrying device is required to be additionally arranged, vertical carrying rollers in the ground track-changing supporting device are very important, the larger the radial size of the carrying rollers is, the larger the size of an axle box lower shell or an axle box lower carrying shoe corresponding to the radial size of the carrying rollers is, the unsprung mass of a bogie is increased, and the running quality of a locomotive is influenced; in the prior art, the bearing roller mostly adopts a roller structure with an internal or external bearing, and has the defects of complex structure, large radial size, limited bearing capacity, high manufacturing cost and the like, and the design requirement is difficult to meet.

Disclosure of Invention

The invention provides a ground supporting vertical bearing device suitable for a variable-track-gauge bogie, aiming at the current technical state of the ground supporting device of the variable-track-gauge bogie of a railway vehicle.

The utility model provides a supporting vertical load device in ground suitable for gauge change bogie which characterized in that: the device comprises a bearing rolling body 1, a chain plate 2, an upper groove type bearing seat 3, a lower groove type bearing seat 4 and a bracket 5; the plurality of bearing rolling bodies 1 are connected in series through the chain plates 2 to form an annular structure and are arranged in the grooves of the upper groove type bearing seat 3 and the lower groove type bearing seat 4, and the bearing rolling bodies 1 can freely circulate and roll in the grooves of the upper groove type bearing seat 3 and the lower groove type bearing seat 4.

The bearing rolling body 1 comprises a roller 1-1, a bushing 1-2, a pin shaft 1-3 and a cotter pin 1-4, wherein a round corner 1-11 is arranged on the circumferential outer side of the roller 1-1, and the roller 1-1, the bushing 1-2 and the chain plate 2 are connected through the pin shaft 1-3 and are locked by the cotter pin 1-4.

The upper groove type bearing seat is divided into a horizontal section and arc sections at two sides, the inner side of the upper groove type bearing seat 3 is provided with an arc surface 3-1 matched with a round corner 1-11 at the circumferential outer side of the roller 1-1, and grooves at two sides of the upper groove type bearing seat 3 are higher than the lower edge of the chain plate 2 in normal operation, so that interference is avoided, and the upper groove type bearing seat is fixed on the support 5.

A ground-compatible vertical load carrying device for a variable gauge bogie as defined in claim 1 wherein: the shape of the lower groove type bearing seat 4 is a C shape with an upward opening, and is divided into a horizontal section and arc sections at two sides, the inner side of the lower groove type bearing seat 4 is provided with an arc surface 4-1 matched with a round angle 1-11 at the outer side of the circumference of the roller 1-1, and the grooves at two sides of the lower groove type bearing seat are higher than the lower edge of the chain plate 2 during normal operation, so that interference is avoided, and the lower groove type bearing seat is fixed on the bracket 5.

The invention has the beneficial effects that:

the ground supporting vertical bearing device suitable for the variable-track bogie is suitable for the variable-track bogie ground supporting device borne by an axle box, and has the following beneficial effects:

the radial dimension of the bearing rolling bodies is smaller, and the bearing capacity is strong, so that the dimension of an axle box or bearing shoes under the axle box can be reduced, the non-suspension quality of the variable-track-gauge bogie is reduced, and the running quality of the bogie is improved;

the vertical bearing device has small transverse size, provides a space for arranging other structures transversely, and is easy for the arrangement and function realization of integral equipment;

the vertical bearing device can meet the requirement of large vertical bearing capacity in track gauge change, has simple structure, good rigidity, low manufacturing cost and convenient maintenance, and has reference value to other industrial bearing equipment.

Drawings

FIG. 1 is a schematic view of a ground-compatible vertical load carrying device suitable for use with a variable gauge bogie;

FIG. 2 is a schematic view of the outer appearance of the bearing roller body;

FIG. 3 is a schematic diagram of a connection of a load bearing rolling element with a link plate;

FIG. 4 is a schematic view of a half cross section of a connection of a load bearing rolling element with a link plate;

FIG. 5 is a schematic view of an upper channel carrier;

FIG. 6 is a schematic view of a lower trough-type carrier;

FIG. 7 is a front view of the floor-supporting vertical carrier in operation;

FIG. 8 is a side view of the ground engaging vertical carrier in operation;

1. the bearing rolling body comprises, by weight, 1-1 parts of a roller, 1-11 parts of a round corner, 1-2 parts of a bushing, 1-3 parts of a pin shaft, 1-4 parts of a cotter pin, 2 parts of a chain plate, 3 parts of an upper groove type bearing seat, 3-1 parts of an arc surface, 4 parts of a lower groove type bearing seat, 4-1 parts of an arc surface and 5 parts of a bracket;

Detailed Description

The structure of the present invention will be described in further detail with reference to the following examples of the embodiments.

Referring to fig. 1, a ground supporting vertical bearing device suitable for a bogie with variable track gauge is characterized in that: the device comprises a bearing rolling body 1, a chain plate 2, an upper groove type bearing seat 3, a lower groove type bearing seat 4 and a bracket 5; the plurality of bearing rolling bodies 1 are connected in series through the chain plates 2 to form an annular structure and are arranged in the grooves of the upper groove type bearing seat 3 and the lower groove type bearing seat 4, and the bearing rolling bodies 1 can freely circulate and roll in the grooves of the upper groove type bearing seat 3 and the lower groove type bearing seat 4.

Referring to fig. 2, the bearing rolling body 1 comprises a roller 1-1, a bush 1-2, a pin shaft 1-3 and a cotter pin 1-4, wherein a round corner 1-11 is arranged on the outer side of the periphery of the roller 1-1, and the roller 1-1, the bush 1-2 and the chain plate 2 are connected through the pin shaft 1-3 and are locked by the cotter pin 1-4.

The laying position of the ground matched vertical bearing device suitable for the variable-track-distance bogie is matched with the variable-track-distance process.

Referring to fig. 6 and 7, the train runs on the vertical bearing device matched with the ground of the variable-track bogie at the speed of 15km/h, the bearing shoes at the lower part of the axle box are in contact with the bearing rolling bodies 1, at the moment, the wheel set is unloaded, the bearing shoes drive the bearing rolling bodies 1 to move forwards and simultaneously the bearing rolling bodies also rotate, so that the vertical bearing rolling bodies 1 circularly roll in the grooves of the upper groove type bearing seat 3 and the lower groove type bearing seat 4 to realize vertical bearing.

Claims

1. The utility model provides a supporting vertical load device in ground suitable for gauge change bogie which characterized in that: comprises a bearing rolling body (1), a chain plate (2), an upper groove type bearing seat (3), a lower groove type bearing seat (4) and a bracket (5); the plurality of bearing rolling bodies (1) are connected in series through chain plates (2) to form an annular structure and are arranged in grooves of the upper groove type bearing seat (3) and the lower groove type bearing seat (4), and the bearing rolling bodies (1) can freely circulate and roll in the grooves of the upper groove type bearing seat (3) and the lower groove type bearing seat (4);

the bearing rolling body (1) comprises a roller (1-1), a bushing (1-2), a pin shaft (1-3) and a cotter pin (1-4), a round corner (1-11) is arranged on the outer side of the periphery of the roller (1-1), and the roller (1-1), the bushing (1-2) and the chain plate (2) are connected through the pin shaft (1-3) and are locked by the cotter pin (1-4);

the upper groove type bearing seat is divided into a horizontal section and arc sections at two sides, the inner side of the upper groove type bearing seat (3) is provided with an arc surface I (3-1) matched with a round corner (1-11) at the outer side of the circumference of the roller (1-1), and the groove heights at the two sides of the upper groove type bearing seat (3) are lower than the lower edge of the chain plate (2) during normal operation, so that interference is avoided, and the upper groove type bearing seat is fixed on the bracket (5);

the shape of the lower groove-shaped bearing seat (4) is a C shape with an upward opening, the lower groove-shaped bearing seat is divided into a horizontal section and arc sections at two sides, the inner side of the lower groove-shaped bearing seat (4) is provided with a second arc surface (4-1) matched with a round corner (1-11) at the outer side of the circumference of the roller (1-1), and grooves at two sides of the lower groove-shaped bearing seat are higher than the lower edge of the chain plate (2) in normal operation, so that the lower groove-shaped bearing seat is free from interference and fixed on the bracket (5);

the train runs on the vertical bearing device matched with the ground of the track-variable bogie, the bearing shoes at the lower part of the axle box are in contact with the bearing rolling bodies (1), at the moment, the wheel sets are unloaded, the bearing shoes drive the bearing rolling bodies (1) to move forwards and simultaneously the bearing rolling bodies also rotate, so that the vertical bearing rolling bodies (1) circularly roll in the grooves of the upper groove type bearing seat (3) and the lower groove type bearing seat (4) to realize vertical bearing.