CN214874820U

CN214874820U - Flexible and convenient adjustable side bearing box and side bearing seat of railway wagon

Info

Publication number: CN214874820U
Application number: CN202121077877.2U
Authority: CN
Inventors: 苗瑞祥; 刘威; 田志强; 吴文锦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-26
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a flexible and convenient adjustment type side bearing box and side bearing seat of a railway wagon in the technical field of impact-resistant high polymer materials, which comprises a bogie swing bolster, a lower side bearing box, a longitudinal adjusting gasket, a lower side bearing body, a lower side bearing seat, a circular positioning navel and a groove at the end part of the side bearing seat, both ends of the upper part of the bogie swing bolster are provided with lower side bearing boxes, longitudinal adjusting gaskets are arranged on the lower side bearing boxes, the longitudinal adjusting shim is arranged in an adjusting groove of the lower side bearing box, a lower side bearing body is arranged on the lower side bearing seat, the lower side bearing body vertically be equipped with the circular location navel that the recess of side bearing tip matches, circular location navel with the recess of side bearing tip is pegged graft, the utility model discloses, increase the side roll stability of automobile body on the bogie, improve the curve passing performance of bogie, show the dynamic performance that reduces rim wearing and tearing, improve the freight train bogie.

Description

Flexible and convenient adjustable side bearing box and side bearing seat of railway wagon

Technical Field

The utility model relates to a shock resistance macromolecular material technical field specifically is a nimble adjustment formula railway freight car side bearing box and side bearing seat.

Background

The operation results of years show that the elastic side bearing effectively ensures the operation quality and safety of the railway wagon, but the operation faults caused by poor repair quality also occur in the operation, the operation quality of the vehicle is influenced, and the operation safety of the vehicle is further endangered. Through carrying out decomposition and inspection on the part of trucks with poor TPDS forecast operation quality and higher networking integral, the problems that the clearance between the elastic side bearing body and the side bearing seat is over-limited, the longitudinal clearance between the side bearing seat and the side bearing boxes at two ends of the swing bolster is over-limited and the like are also found.

In the process of vehicle section maintenance operation, the phenomena that a side bearing box, a side bearing is blocked and the like cannot be smoothly put into the side bearing box due to the fact that the longitudinal clearance of the elastic side bearing is too narrow or the longitudinal clearance is over-limited and the like can often occur, the maintenance progress of the bogie is seriously influenced, the safety production is greatly influenced, the bogie is easy to age, and sand and dust cannot be effectively avoided to influence the working performance of the bogie.

Based on this, the utility model designs a nimble adjustment formula railway freight car side bearing box and side bearing seat to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nimble adjustment formula railway freight car side bearing box and side bearing to solve and to overhaul the operation in-process at the vehicle section that proposes in the above-mentioned background art, often can appear because the side bearing that causes such as the vertical clearance of elasticity side bearing is too narrow or the vertical clearance transfinites can not be put into the side bearing box smoothly, phenomenon such as side bearing jamming, seriously influence the bogie and overhaul the progress, cause great influence to safety in production, it is easy ageing, can not effectively avoid gravel and sand and dust, influence its working property problem.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible and adjustable side bearing box and side bearing seat of a railway wagon comprises a bogie swing bolster, a lower side bearing box, a longitudinal adjusting gasket, a lower side bearing body, a lower side bearing seat, a circular positioning navel and grooves at the end parts of the side bearing seat, wherein the lower side bearing box is arranged at both ends above the bogie swing bolster, the longitudinal adjusting gasket is arranged on the lower side bearing box, the longitudinal adjusting gasket is arranged in an adjusting groove of the lower side bearing box, the lower side bearing seat is provided with the lower side bearing body, the lower side bearing body is longitudinally provided with the circular positioning navel matched with the grooves at the end parts of the side bearing seat, the circular positioning navel is inserted into the grooves at the end parts of the side bearing seat, the phenomenon that the side bearing bodies are mixed, wrongly arranged or fall into the side bearing box in the process of factory and section repair can not meet the requirement can be effectively avoided, the side bearing seat can be mutually exchanged with a newly manufactured side bearing device, and the side bearing seat of the side bearing body can be effectively fastened in the side bearing seat of the side bearing body, and the side bearing body can be flexibly and conveniently replaced, the swing motion of the bogie or the vehicle body is effectively prevented in the running process of the vehicle, the side rolling stability of the vehicle body on the bogie is improved, the curve passing performance of the bogie is improved, the abrasion of the wheel rim is obviously reduced, and the dynamic performance of the truck bogie is improved.

As a further proposal of the utility model, the longitudinal adjusting gasket is made of graphene modified carbon fiber resin matrix composite.

As a further proposal of the utility model, the distance between the adjusting groove and the lower end of the lower side bearing box is not more than 30 mm.

As a further aspect of the present invention, the thickness of the longitudinal adjustment pad is not less than 1 mm.

As a further proposal of the utility model, the thickness of the adjusting groove is not more than 2 mm.

As a further proposal of the utility model, the longitudinal clearance of the lower side bearing body at the lower side bearing box is not more than 1 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the longitudinal adjusting gasket of the utility model has the advantages of simple structure, light weight, small size, convenient loading and unloading, low maintenance and replacement cost, and the like;

2. the longitudinal adjusting gasket of the utility model adopts a single-cylinder conical structure, the creep is small, the vertical stroke can be adjusted at will between 20 mm and 40mm, and the occupied space of the product is greatly reduced;

3. the adjusting groove and the longitudinal adjusting gasket of the utility model are connected by interference fit and are replaced in the vertical full stroke; a gap is reserved between the longitudinal adjusting gasket and the lower side bearing box, so that enough longitudinal and transverse rigidity can be provided;

4. the utility model discloses a can replace the iron system adjusting shim who uses on the current freight train vehicle, can practice thrift the cost and reduce bogie repair time.

5. The utility model discloses optimized the structure of changeing the bogie side bearing box at K6 bogie truck bloster both ends, but reuse such as vertical adjustment gasket, economic environmental protection.

6. The utility model can effectively avoid the phenomenon that the falling amount of the side bearing bodies mixed and misassembled or the side bearing seat falling into the side bearing boxes at the two ends of the swing bolster can not meet the requirement in the process of factory and section repair; the device can be interchanged with a newly-built side bearing device, effectively prevents the swing motion of a bogie or a vehicle body in the running process of the vehicle, increases the stability of the vehicle body in rolling on the bogie, improves the curve passing performance of the bogie, obviously reduces the abrasion of wheel rims, reduces the maintenance workload and improves the dynamic performance of the truck bogie; the falling amount of the side bearing devices in the lower side bearing boxes at the two ends of the swing bolster is not changed, the adjustment can be realized within 0-60 mm, and the requirements of the national iron group relevant standards are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the lower side bearing boxes at two ends of the truck bolster of the present invention, and the installation positions of the longitudinal adjustment gaskets of the lower side bearing boxes at two ends of the truck bolster;

FIG. 2 is a schematic view of longitudinal adjustment shims in the side bearing boxes at both ends of the bolster of FIG. 1;

FIG. 3 is an expanded view of the die for longitudinal adjustment of shims in the side bearing boxes at the two ends of the bolster of FIG. 2;

FIG. 4 is a schematic view of the lower side bearing body and lower side bearing block configuration;

fig. 5 is a top view of fig. 4.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a truck bolster; 2. a lower side bearing box; 21. a longitudinal adjustment shim; 211. an adjustment groove; 3. a lower sidebearing body; 4. a lower side bearing seat; 5. a circular positioning umbilicus; 6. a recess at the end of the side bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a convenient and flexible adjustable railway wagon side bearing box and side bearing seat comprises a bogie swing bolster 1, a lower side bearing box 2, a longitudinal adjusting gasket 21, a lower side bearing body 3, a lower side bearing seat 4, a round positioning umbilical 5 and a groove 6 at the end part of the side bearing seat, wherein the lower side bearing box 2 is arranged at both ends above the bogie swing bolster 1, the lower side bearing box 2 is provided with the longitudinal adjusting gasket 21, the longitudinal adjusting gasket 21 is made of graphene modified carbon fiber resin matrix composite material, the thickness of the longitudinal adjusting gasket 21 is not less than 1mm, the longitudinal adjusting gasket 21 is arranged in an adjusting groove 211 of the lower side bearing box 2, the distance between the adjusting groove 211 and the lower end of the lower side bearing box 2 is not more than 30mm, the thickness of the adjusting groove 211 is not more than 2mm, the lower side bearing body 3 is arranged on the lower side bearing seat 4, the lower side bearing body 3 is longitudinally provided with the round positioning umbilical 5 matched with the groove 6 at the end part of the side bearing seat, the round positioning umbilicus 5 is inserted into a groove 6 at the end part of the side bearing seat, and the longitudinal clearance of the lower side bearing body 3 in the lower side bearing box 2 is not more than 1 mm.

The phenomenon that the falling amount of a side bearing body mixed loading, misloading or a side bearing falling into a side bearing box cannot meet the requirement in a factory and a section repair process can be effectively avoided, the side bearing body can be exchanged with a newly manufactured side bearing device, the side bearing body can be effectively fastened in a side bearing seat, the side bearing body can be flexibly and conveniently replaced, the swing motion of a bogie or a vehicle body is effectively prevented in the running process of the vehicle, the side rolling stability of the vehicle body on the bogie is improved, the curve passing performance of the bogie is improved, the abrasion of wheel rims is obviously reduced, and the dynamic performance of the truck bogie is improved.

The working principle is as follows: the longitudinal adjusting gaskets 21 made of graphene modified carbon fiber resin matrix composite materials are arranged in the lower side bearing boxes 2 at two ends of a bogie swing bolster 1 of a newly-built vehicle and a vehicle for factory repair and section repair, the lower side bearing boxes can be flexibly assembled and disassembled from the side bearing boxes, the thicknesses of the longitudinal adjusting gaskets are respectively 1mm, 1.5mm, 2mm, 2.5mm and 3mm, the longitudinal clearance of the side bearing can be conveniently and quickly adjusted, the circular positioning umbilicus 5 of the lower side bearing body 3 is inserted into the groove 6 at the end part of the side bearing, and the lower side bearing 4 is directly installed on the newly-built vehicle and can be completely exchanged with the side bearing installed on the existing vehicle; in a factory repair vehicle, the circular positioning umbilicus 5 in the lower side bearing body 3 is inserted into the groove 6 at the end part of the side bearing in the lower side bearing seat 4, and the limiting effect is realized in the longitudinal direction, so that the side bearing body and the side bearing seat form a whole, and the requirement that the falling amount of the side bearing device in a swing bolster side bearing box is unchanged is met.

The utility model discloses can effectively avoid the phenomenon that the volume of falling into that the side bearing body that appears is loaded in mixture, is loaded in error or the side bearing falls into the swing bolster side bearing box can not satisfy the requirement at factory, section repair in-process. The device can be interchanged with a newly-built side bearing device, effectively prevents the swing motion of a bogie or a vehicle body in the running process of the vehicle, increases the stability of the side rolling of the vehicle body on the bogie, improves the curve passing performance of the bogie, obviously reduces the abrasion of a wheel rim and improves the dynamic performance of the truck bogie.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a nimble adjustable railway freight car side bearing box and side bearing seat which characterized in that: including bogie truck bolster (1), lower side bearing box (2), vertical adjusting shim (21), lower side bearing body (3), lower side bearing (4), circular location navel (5) and recess (6) of side bearing tip, the top both ends of bogie truck bolster (1) all are provided with lower side bearing box (2), be provided with vertical adjusting shim (21) down on side bearing box (2), install in adjusting groove (211) of lower side bearing box (2) vertical adjusting shim (21), be provided with lower side bearing body (3) down on side bearing (4), lower side bearing body (3) vertically be equipped with circular location navel (5) that matches with recess (6) of side bearing tip, circular location navel (5) with recess (6) of side bearing tip are pegged graft.

2. The flexible adjustable side bearing box and side bearing seat of railway wagon as claimed in claim 1, wherein: the longitudinal adjusting gasket (21) is made of graphene modified carbon fiber resin matrix composite materials.

3. The flexible adjustable side bearing box and side bearing seat of railway wagon as claimed in claim 1, wherein: the distance between the adjusting groove (211) and the lower end of the lower side bearing box (2) is not more than 30 mm.

4. The flexible adjustable side bearing box and side bearing seat of railway wagon as claimed in claim 1, wherein: the thickness of the longitudinal adjusting shim (21) is not less than 1 mm.

5. The flexible adjustable side bearing box and side bearing seat of railway wagon as claimed in claim 1, wherein: the thickness of the adjusting groove (211) is not more than 2 mm.

6. The flexible adjustable side bearing box and side bearing seat of railway wagon as claimed in claim 1, wherein: the longitudinal clearance of the lower side bearing body (3) in the lower side bearing box (2) is not more than 1 mm.