CN202624249U

CN202624249U - Bogie bearing saddle structure

Info

Publication number: CN202624249U
Application number: CN 201220259113
Authority: CN
Inventors: 邓涛; 潘树平; 王爱民; 王璞; 王云贵; 李亨利; 张显锋; 周宗全
Original assignee: CSR Meishan Rolling Stock Co Ltd
Current assignee: CRRC Meishan Co Ltd
Priority date: 2012-06-04
Filing date: 2012-06-04
Publication date: 2012-12-26
Anticipated expiration: 2022-06-04

Abstract

The utility model discloses a bogie bearing saddle structure comprising a bearing saddle top face matched with a bogie side frame in a contacting mode, and an arc saddle face matched with a wheel pair bearing in a contacting mode. One side of the bearing saddle is provided with a connecting base used for being fixedly connected with a bogie framework. Structures of two sides of a symmetrical face of the bearing saddle are symmetrical. Two ends of the connecting base are respectively connected with a connecting hole. The bottom plane and the wheel pair bearing form an arc groove of a gap. A vice framework and the saddle structure are combined after being dismantled, the bearing saddle adopts a split casting structure, so self-weight of the rear wheel to devices of the radial direction after assembly, weight of the bogie spring is reduced, wheel rail motion application force is effectively lowered, and dynamics of vehicles is improved. The bearing saddle adopts the same standard structure, so design and process are accurate, and design and production cost is lowered. When the saddle is worn to a certain degree, the bearing saddle only needs to be dissolved and replaced, so manufacture and maintenance process properties of the vice framework are improved, and manufacture and maintenance cost is lowered.

Description

A kind of bogie truck adapter structure

Technical field

The utility model belongs to the railway transportation device and manufactures and designs the field, and especially the bogie truck of railway truck manufactures and designs the field, particularly bogie truck adapter structure.

Background technology

Bogie truck is a structure common on the railway truck; For railway goods train bogie; The anti-shearing rigidity of bogie truck is to influence steadily fixed important parameter of bogie truck linear running, and the big young pathbreaker of anti-shearing rigidity directly influences the snakelike unstability critical speed of vehicle, vehicle smoothness and Derailment Safety; Bending stiffness is the important parameter that influences the bogie truck curving performance, and the big young pathbreaker of bending stiffness directly influences wheel wear speed, wheel track power size.

Secondary framework radial steering is a kind of of radial steering, mainly comprise wheel to, bogie side frame, bolster, wheel to radially device, brake equipment.Existing secondary framework is made up of saddle, arm, and saddle and arm adopt casting integrated structure.In the utilization process, load vertical, vertical and horizontal that secondary framework bears have enough strength and stiffness for guaranteeing secondary framework, and the saddle of secondary framework carries the position need have bigger wall thickness and sectional area.

The secondary framework arm of existing secondary framework radial steering and saddle adopt the cast-in-block structure, and the influence that is brought is to be to guarantee that secondary framework has enough strength and stiffness on the one hand, and the casting weight of secondary framework must be bigger; And to cooperate with bearing because of saddle; Requirement on machining accuracy is higher, and difficulty of processing is bigger, must impact the increase of production efficiency and manufacturing cost; And build guality is difficult to obtain control; On the one hand because secondary framework saddle is the abrasion position, wears and tears the limit back and be inconvenient to overhaul, even increase the cost of overhaul in addition.

Summary of the invention

The utility model discloses a kind of bogie truck adapter structure according to the deficiency of prior art.The problem that the utility model will solve provides a kind of secondary framework structure of sectional type, and adapter adopts the design of standard unified structure, and convenient whole bogie truck manufactures and designs, and significantly reduces manufacturing cost, and the manufacturing working accuracy is further improved.

The utility model is realized through following technical scheme:

Bogie truck adapter structure; Comprise with the adapter end face of truck side frame contact matching and with the arc saddle face of wheel set bearing contact matching; It is characterized in that: said adapter one side is useful on to be connected with the secondary framework of bogie truck and is fixedly coupled seat, and said adapter is symmetrical with plane of symmetry structure on two sides.

Said Connection Block two ends have a connecting bore respectively, and there is the arc groove that forms the gap with wheel set bearing the baseplane.

Said adapter end face is useful on the boss of location.

The bogie truck adapter has four groups, is arranged at wheel respectively and connects and composes wheel to radially installing to the axle outer end and with secondary framework.The combination of processing back is made in the partition of the utility model adapter and secondary framework, and adapter is a symmetrical structure, and the plane of symmetry is the plane of crosscut adapter end face, arc saddle face and Connection Block, and adapter is installed on behind the bogie truck plane of symmetry and wheel to dead in line; The adapter end face is useful on the boss of location, positioning and fixing when boss is connected with secondary framework at adapter, and inlay card is connected when installing with the suspension of bogie side frame simultaneously; The adapter end face has the embedded structure with bogie side frame and suspension coupling; The arc groove of adapter arc saddle face and Connection Block contacts with the axle construction coupling axle bearing with wheel; Arc groove can guarantee that bogie truck has enough gaps between completion utilization back adapter Connection Block and bearing backstop, guarantee the application safety property of bogie truck with this.

The utility model helpfulness, the utility model adopt secondary framework and the adapter structure that is connected after the partition, and partition processing can realize that working accuracy is more expensive lower, help enhancing productivity and the quality of product; Adapter adopts the split casting structure, has reduced the assembling trailing wheel significantly to the radially deadweight of device, has alleviated the bogie truck unsprung weight, can effectively reduce the wheel track action firmly, improves the dynamic performance of vehicle; Adapter adopts the same standardized structure, and design and processing are more accurate, have reduced design and productive costs simultaneously; Adapter wears and tears in limited time, only need decompose the replacing adapter, can improve manufacturing, the maintenance manufacturability of secondary framework, reduces manufacturing, maintenance cost.

Description of drawings

Fig. 1 is that the utility model adapter radially installs and takes turns scheme drawing;

Fig. 2 is the utility model adapter structural representation;

Fig. 3 is the utility model adapter other direction structural representation;

Fig. 4 is secondary framework of the utility model and adapter coupled condition scheme drawing;

Fig. 5 is the utility model bogie structure scheme drawing.

Among the figure, the 11st, pulling rivet, the 12nd, bogie side frame, the 13rd, wheel set bearing, the 41st, adapter, the 42nd, secondary framework, the 70th, arc saddle face, the 71st, connecting bore, the 72nd, Connection Block, the 73rd, boss, the 74th, the adapter end face, the 75th, arc groove, A are the planes of symmetry.

The specific embodiment

Through the specific embodiment and accompanying drawing the utility model is further specified below.Embodiment is used to explain the utility model, limits the utility model never in any form.

In conjunction with Fig. 1 to Fig. 5.

As shown in the figure; Bogie truck adapter structure; Comprise with the adapter end face 74 of truck side frame 12 contact matching and with the arc saddle face 70 of wheel set bearing 13 contact matching; Adapter 41 1 sides are useful on to be connected with the secondary framework 42 of bogie truck and are fixedly coupled seat 72, and said adapter 41 is symmetrical with plane of symmetry A structure on two sides.

Connection Block 72 two ends have a connecting bore 71 respectively, and there is the arc groove 75 with wheel set bearing 13 formation gaps the baseplane.Adapter end face 74 is useful on the boss 73 of location.

Bogie truck adapter 41 has four groups, is arranged at respectively on the wheel set bearing 13 and with secondary framework 42 and connects and composes wheel to radially installing.Adapter 41 is made the combination of processing back with secondary framework 42 partition, and adapter 41 is symmetrical structures, and plane of symmetry A is the plane of crosscut arc saddle face 70 and Connection Block 72, and adapter 41 is installed on behind the bogie truck plane of symmetry A and wheel to dead in line; Adapter end face 74 is useful on the boss 73 of location, positioning and fixing when boss 73 is connected with secondary framework 42 at adapter 41, and inlay card is connected when installing with the suspension of bogie side frame 12 simultaneously; Adapter 41 adapter end faces 74 have and the embedded structure of bogie side frame 12 with the suspension coupling; The arc groove 75 of adapter 41 arc saddle faces 70 and Connection Block 72 contacts with the axle construction coupling with wheel set bearing 13.Arc groove 75 can guarantee that bogie truck has enough gaps between completion utilization back Connection Block 72 and bearing backstop, guarantee the application safety property of bogie truck with this.

Adapter 41 and secondary framework 42 that this example provides constitute radial steering and have solved whole bogie truck from problem great, that requirement on machining accuracy is high, difficulty of processing is big, production efficiency is low, manufacturing cost is high, and build guality is controlled easily.After adapter 41 wears and tears limit, only need decompose and change adapter 41, improve manufacturing, the maintenance manufacturability of secondary framework, reduce manufacturing, the maintenance cost of bogie truck.

Claims

1. bogie truck adapter structure; Comprise with the adapter end face (74) of truck side frame (12) contact matching and with the arc saddle face (70) of wheel set bearing (13) contact matching; It is characterized in that: said adapter (41) one sides are useful on to be connected with the secondary framework of bogie truck (42) and are fixedly coupled seat (72), and said adapter (41) is symmetrical with the plane of symmetry (A) structure on two sides.

2. bogie truck adapter structure according to claim 1 is characterized in that: said Connection Block (72) two ends have a connecting bore (71) respectively, and there is the arc groove (75) that forms the gap with wheel set bearing (13) baseplane.

3. bogie truck adapter structure according to claim 1 and 2 is characterized in that: said adapter end face (74) is useful on the boss (73) of location.