CN201189868Y

CN201189868Y - High-speed motor train unit motor train bogie

Info

Publication number: CN201189868Y
Application number: CNU2008200722737U
Authority: CN
Inventors: 张曙光; 牛得田; 刘志泰; 梁树林; 陆海英; 况宇; 陈凤艳
Original assignee: Tangshan Railway Vehicle Co Ltd; Changchun Railway Vehicles Co Ltd; Transport Bureau of the Ministry of Railways
Current assignee: CRRC Tangshan Co Ltd; CRRC Changchun Railway Vehicles Co Ltd; China State Railway Group Co Ltd
Priority date: 2008-08-15
Filing date: 2008-08-15
Publication date: 2009-02-04
Anticipated expiration: 2018-08-15

Abstract

A bullet train bogie of a high-speed motor train unit comprises a wheel pair, an axle box, a spiral spring group, a framework, an air spring, an anti-side-rolling torsion bar, an anti-snaking shock absorber, a central traction part, a wheel disc foundation brake part and a swing bolster, wherein a longitudinal beam between two cross beam steel pipes is integrally designed, two ends of the longitudinal beam are provided with motor suspension mounting seats, the middle part of the longitudinal beam is provided with a transverse shock absorber seat, a transverse side beam connecting seat is a forged piece, the cross beam steel pipes are in variable cross section design, one end of the transverse side beam connecting seat is in butt joint assembly welding with the cross beam steel pipes; the low-rigidity rubber spring is arranged below the spiral spring group, and the axle box is connected with the framework through the axle box rubber node; the bogie has good vertical comfort and transverse comfort on a straight line and a curve, has good stability during high-speed operation, and simultaneously reduces the acting force of a track.

Description

The EMU motor car bogie

Technical field

The utility model relates to a kind of EMU motor car bogie, especially relates to a kind of EMU motor car bogie of can 300km/h above speed operation.

Background technology

Bogie truck is the critical component of railway vehicle, and motor car bogie is meant the bogie truck that has power in the train.Existing motor car bogie, the strength at repeated alternation of framework is low, is easy to generate strength problem, has the lower problem of safe reliability during high-speed cruising; One is low with secondary suspension device flexibility, and cushioning ability is poor; Wheel is to location inaccuracy, less stable during high-speed cruising; The outstanding motor-driven of frame is big to the impact of framework, the outstanding motor-driven of body to take turns right sticking utilize low; Can not satisfy 300km/h and the above comfortable operation of high-speed secure, make the high-speed rail transportation system lose the operation economy and the reliability that should have.

The utility model content

Technical problem to be solved in the utility model provides a kind of framework and has enough strength at repeated alternations and load-carrying capacity, one is good with secondary suspension device flexibility, cushioning ability is strong, wheel is to locating accurately, the motor car bogie of the EMU that the motor suspension mode is optimized is to overcome the defective that background technology exists.

For solving the problems of the technologies described above, the utility model provides a kind of motor car bogie of EMU, comprise that two have gear case and the brake disk mounted wheel of wheel is right, four pivoted arm axle boxes, four coil spring groups, the welded framework of H type, two air bellows, an anti-side rolling torsion rod, two groups of anti-shock absorbers that crawl, central authorities' traction, one cover wheel disc foundation brake, a bolster, two cover drive motor, one cover wheel rim lubricating system, one cover sanding device, one cover bogie truck diagnostic device, one cover ATP antenna, each is taken turns the pivoted arm axle box is installed at two ends, pivoted arm axle box top is equipped with the coil spring group, a framework is installed on the coil spring group, the framework top is equipped with two air bellows, air bellow is controlled by levelling valve, the air bellow bottom has the urgent spring of V-shape, central authorities' traction is installed between two air bellows, what play draw is two pull bars, pull bar is the Z font, at two a bolster is installed above the air bellow, the auxiliary air reservoir of bolster double as air bellow, an anti-side rolling torsion rod and two groups of anti-shock absorbers that crawl are installed between bolster and framework, framework and the wheel between the wheel disc foundation brake is installed, at framework and between taking turns gear case drive motor is installed, the lubricating system of having chance with is installed in the end of framework, sanding device, the bogie truck diagnostic device, it is characterized in that: framework is a H type welded structure, curb girder is a concave shape, longitudinal beam between two crossbeam steel pipes is formed and is adopted integrated design, across two crossbeam steel pipes, form box type construction, the two ends of longitudinal beam are the motor suspension mount pads, the centre is the lateral damper seat, horizontal curb girder Connection Block adopts forging, the variable section design, one end docks assembly welding with the crossbeam steel pipe, and the other end becomes box type construction with the curb girder upper cover plate with the lower cover assembly welding; Coil spring group below is equipped with low rigidity rubber spring, two air bellows are the Daqu capsule, and the urgent spring of air bellow is a V-shape, and the pivoted arm axle box is connected with framework by the axle box rubber nodal point, motor is installed on the motor hanging beam, and the motor hanging beam flexibly connects by four leaf springs and framework.

The reasonable Arrangement of each module of the utility model and integrated makes this motor car bogie have enough strength at repeated alternations, enough load-carrying capacitys; One of flexible, balance is that vertical suspension gear and two is the LF device, makes bogie truck have good vertical traveling comfort on level tangent track and curve; Optimize one be, two be that lateral stiffness and two is that horizontal damping makes bogie truck have good horizontal traveling comfort on curve; One of optimization is that registration device adds that the anti-shock absorber that crawls makes bogie truck have good stable when high-speed cruising, reduces rail effect power simultaneously; Novel motor-driven hang has reduced the mutual impact between motor and the framework, has solved the additional moment that motor causes truck transom.

Description of drawings

Fig. 1 is an overall structure scheme drawing of the present utility model;

Fig. 2 is a framework structure scheme drawing of the present utility model.

The specific embodiment

With reference to Fig. 1, the utility model is pivoted arm axle box 2 to be installed in each take turns two ends to 1, be connected with framework 6 by rubber nodal point 5, make wheel, guaranteed the stability of high-speed cruising accurate at location dimension and locating stiffnesses vertical, vertical and horizontal with respect to framework; Four coil spring groups 4 are installed on pivoted arm axle box 2, rubber spring 3 is installed below coil spring group 4, can reduce by one is the rigidity of vertical suspension, and has cushioning effect; A framework 6 is installed on coil spring group 4, two air bellows 7 are installed on framework 6, air bellow 7 is by levelling valve 11 controls, and air bellow 7 bottoms have the urgent spring 8 of V-shape, make that when air bellow does not have gas secondary suspension has relatively low stiffness; A bolster 9 is installed on two air bellows 7, one group of anti-shock absorber 10 that crawls is respectively installed in both sides between bolster 9 and framework 6, an anti-side rolling torsion rod 15 is installed between bolster 9 and framework 6, central authorities' traction 16 is installed below bolster 9, at framework 6 with between taking turns 1 wheel disc foundation brake 14 is installed, gear case 20 is installed in wheel on 1, gear case 20 also links to each other with drive motor 19, drive motor 19 is installed on the motor suspension bracket 17, motor suspension bracket 17 is connected with framework 6 by leaf spring 13, reduce the mutual impact between motor and the framework, solved the additional moment that motor causes truck transom; Electric motor ventilating device 18 is installed between drive motor 19 and car body, ATP antenna 12, rim lubricating device 21 and sanding device 22 are installed in the end of bogie truck.

With reference to accompanying drawing 2, framework 6 is the H type, is welded by two curb girders 23 and two crossbeam steel pipes 24, is connected by Connection Block 25 between the horizontal curb girder, and Connection Block 25 1 ends dock assembly welding with crossbeam steel pipe 24, and the other end becomes box type construction with the assembly welding of cover plate up and down of curb girder 23.The two ends of longitudinal beam 26 are used to hang the motor hanging beam to two 24 of crossbeam steel pipes across two longitudinal beams 26, form integrated box-structure, and braking flap seat 27 is welded on the curb girder 23.

Claims

1, a kind of motor car bogie of EMU, comprising two, to have brake disk mounted and wheel gear case of wheel right, four coil spring groups, four pivoted arm axle boxes, a welded framework, two air bellows, an anti-side rolling torsion rod, two groups of anti-shock absorbers that crawl, central authorities' traction, one cover dish-type foundation brake, a bolster, each is taken turns the pivoted arm axle box is installed at two ends, pivoted arm axle box top is equipped with the coil spring group, a framework is installed on the coil spring group, the framework top is equipped with two air bellows, air bellow is controlled by levelling valve, the air bellow bottom has the urgent spring of V-shape, central authorities' traction is installed between two air bellows, what play draw is two pull bars, pull bar is the Z font, two are equipped with a bolster above the air bellow, the auxiliary air reservoir of bolster double as air bellow, connect car body and bogie truck by bolster, make cycling start and fall car conveniently, an anti-side rolling torsion rod and two groups of anti-shock absorbers that crawl are installed between bolster and the framework, anti-side rolling torsion rod and air bellow are linked together, every side of framework is equipped with two anti-shock absorbers that crawl, framework and the wheel between the wheel disc foundation brake is installed, it is characterized in that: framework is a H type welded structure, and curb girder is a concave shape, longitudinal beam between two crossbeam steel pipes is formed and is adopted integrated design, across two crossbeam steel pipes, form box type construction, the two ends of longitudinal beam are the braking flap seats, the centre is the lateral damper seat, horizontal curb girder Connection Block adopts the design of forging variable section, and an end docks assembly welding with the crossbeam steel pipe, and the other end becomes box type construction with the curb girder upper cover plate with the lower cover assembly welding; Coil spring group below is equipped with low rigidity rubber spring, and two air bellows are the Daqu capsule, and the urgent spring of air bellow is a V-shape, makes secondary suspension have relatively low stiffness when air bellow does not have gas; The pivoted arm axle box is connected with framework by the axle box rubber nodal point, and motor is installed on the motor hanging beam, and the motor hanging beam flexibly connects by four leaf springs and framework.