CN103625499B - A kind of framework of narrow-gauge train bogie - Google Patents

A kind of framework of narrow-gauge train bogie Download PDF

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Publication number
CN103625499B
CN103625499B CN201310271830.3A CN201310271830A CN103625499B CN 103625499 B CN103625499 B CN 103625499B CN 201310271830 A CN201310271830 A CN 201310271830A CN 103625499 B CN103625499 B CN 103625499B
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seat
framework
narrow
welded
curb girder
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CN103625499A (en
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吕晓俊
张月军
马利军
赵伟
于春广
王玉光
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Abstract

The invention discloses a kind of framework of narrow-gauge train bogie, it is made up of two curb girders, two end carriages, two main beams and two floor stringers, the both ends of two described curb girders are connected by two described end carriages, two described main beams are fixedly connected on the middle part of two described curb girders, described curb girder, end carriage and main beam form " order " font structure, and two described floor stringers are fixedly connected between two described main beams.Optimized integral structure of the present invention, reduce and avoid the appearance of high-stress area, the integrally-built strength and stiffness of framework are greatly improved, the overall anti-fatigue performance of framework obtains bigger raising, the stress level making integral frame controls in the scope that intensity allows, the speed of service making narrow gauge passenger train is greatly improved, and meets narrow gauge passenger train safe operation requirement at high speeds.<!--1-->

Description

A kind of framework of narrow-gauge train bogie
Technical field
The present invention relates to the bogie frame of a kind of rail vehicle, particularly to a kind of bogie frame for narrow gauge passenger train, belong to rail vehicle vehicle manufacturing technology field.
Background technology
The EEF bogie of rail vehicle is all the form adopting bogie, and the car body often saving compartment is furnished with two bogies supports.The railway of overwhelming majority country generally adopts 1435mm gauge, but also there are some countries to there is the railway of other gauge a considerable amount of, as adopted the railway of the narrow gauge gauge of 1067mm or 762mm, the operation vehicle load of current narrow gauge railway is little, the speed of service is slow, general all between 40-50km/h, it is impossible to meet the requirement of locality transport.And present bogie is because of its gauge width, in the requirement turning to carrying, Vibration Absorption Designing etc. technically all can not be suitable for narrow gauge gauge, it is impossible to directly use to the railway of narrow gauge.Accordingly, it would be desirable to design a kind of bogie suitable in narrow gauge railway, improving vehicle load and the speed of service, meet the instructions for use that bogie is higher in load-carrying and performance, and framework is as the main part of bogie, the optimization of its structure is just even more important.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that a kind of framework of narrow-gauge train bogie, it is adaptable to narrow gauge railway, structure optimization, framework overall structure performance can be increased substantially.
For achieving the above object, the technical scheme is that
A kind of framework of narrow-gauge train bogie, by two curb girders, two end carriages, two main beams and two floor stringer compositions, the both ends of two described curb girders are connected by two described end carriages, two described main beams are fixedly connected on the middle part of two described curb girders, described curb girder, end carriage and main beam form " order " font structure, two described floor stringers are fixedly connected between two described main beams, described curb girder is by top board, base plate and side plate splice the case body structure being welded, it is fixed with anti-side rolling torsion rod seat in the bottom of two described curb girders, the base plate of described curb girder disconnects, the both sides of described anti-side rolling torsion rod seat are docked with the base plate of the described curb girder of both sides and are welded and fixed, between other both sides and the side plate of described curb girder of described anti-side rolling torsion rod seat, welded corner joint is fixed.
Further, described end carriage and curb girder are the case body structure that whole steel sheet is welded into, top board, base plate and side plate splice and be welded, and described end carriage C-shaped in configuration is docked between end and the end of curb girder of described end carriage and is welded and fixed.
Further, described end depth of beam is less than described side depth of beam, and junction is arc transition.
Further, being fixed with two brake clamp flap seats on each described end carriage, described brake clamp flap seat and described end carriage are structure as a whole part.
Further, the width of described brake clamp flap seat, more than the width of end carriage described in both sides, is welded with four fixed derricks run through on described brake clamp flap seat.
Further, the both ends of described main beam are run through described curb girder and are welded and fixed.
Further, on the described curb girder of both sides, the oblique bogie that is symmetrically arranged with plays flap seat.
Further, described main beam is welded with traction electric machine mounting seat, drawing pull bar seat, gearbox lifting rod seat, integral lifting seat.
Further, being welded with a mounting seat on described main beam, at least two in described traction electric machine mounting seat, drawing pull bar seat, gearbox lifting rod seat and integral lifting seat is integrated in described mounting seat.
In sum, framework of narrow-gauge train bogie of the present invention, optimized integral structure, reduce and avoid the appearance of high-stress area, the integrally-built strength and stiffness of framework are greatly improved, and the overall anti-fatigue performance of framework obtains bigger raising, make the stress level of integral frame control in the scope that intensity allows, the speed of service making narrow gauge passenger train is greatly improved, and meets narrow gauge passenger train safe operation requirement at high speeds.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of the embodiment of the present invention two;
Fig. 5 is the right view of Fig. 4.
As shown in Figures 1 to 5, curb girder 1, end carriage 2, main beam 3, floor stringer 4, turning 5, spring cylinder base 6, air spring supporting seat 7, anti-snakelike damper base 8, horizontal stopping seat 9, horizontal damper holder 10, anti-side rolling torsion rod seat 11, brake clamp flap seat 12, fixed derrick 13, wheel, to 14, installs flap seat 15, traction electric machine mounting seat 16, drawing pull bar seat 17, gearbox lifting rod seat 18, integral lifting seat 19, lightening hole 20, bogie plays flap seat 21.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment one:
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of framework of narrow-gauge train bogie, for the motor car bogie in narrow gauge passenger train, it is applicable for use with the railway of the narrow gauge gauge of 1067mm and 762mm, it is made up of 1, two end carriages 2 of two curb girders and two main beams 3, the both ends of two curb girders 1 are connected by two end carriages 2, two main beams 3 are fixedly connected on the middle part of two curb girders 1,3, two end carriages 2 of two main beams be arranged in parallel, curb girder 1, end carriage 2 and main beam 3 form " order " font structure, and two floor stringers 4 are fixedly connected between two main beams 3.Curb girder 1, end carriage 2, main beam 3 and floor stringer 4 are by being welded to connect integral formula frame structure, the integrally-built strength and stiffness of framework can be improved, and the connective stability of equipment can be improved, and can effectively simplify the attachment structure between each beam and meet lightweight requirements.
As shown in Figure 1 to Figure 3, two curb girders 1 are box structure, top board, base plate and two side plates are spliced by welding manner, and top board, base plate and two side plates all adopt steel plate, steel plate materials preferably employs S355J2W, it is ensured that the overall construction intensity of curb girder 1 and rigidity.Curb girder 1 totally takes the shape of the letter U middle to recessed structure, so can reduce the main beam 3 height relative to rail level.
As shown in Figure 1, two end carriages 2 are connected to the both ends of two curb girders 1, two end carriages 2 are also welding type box structure, it is spliced by welding manner by top board, base plate and two side plates, top board, base plate and two side plates all adopt steel plate, steel plate materials preferably employs S355J2W, it is ensured that the overall construction intensity of end carriage 2 and rigidity, increases the torsional rigidity of framework.
The overall C-shaped in configuration of end carriage 2, all adopts arc transition at two turnings 5 place of end carriage 2, and arc transition can reduce stress, it is to avoid the appearance of high-stress area, makes the overall anti-fatigue performance of framework be greatly improved.Dock between end and the end of the homonymy of two curb girders 1 at each end carriage 2 two ends and be welded and fixed, namely the top board of curb girder 1 and end carriage 2 and top board, side plate and side plate, base plate dock with base plate and are welded to connect, so may further ensure that the overall construction intensity of end carriage 2 and rigidity, it is also possible to reduce deformation.
The height of end carriage 2 is less than the height of connected curb girder 1, the base plate of end carriage 2 is in same plane docking and welds with the base plate of curb girder 1, the top board of end carriage 2 and curb girder 1 adopts arc transition in butt-welded junction, the end at curb girder 1 two ends is each provided with a spring cylinder base 6, arc transition is adopted in the junction of transition, deformation can be reduced, be conducive to improving the intensity of spring cylinder base 6 on curb girder 1, the weight of end carriage 2 can also be reduced simultaneously, and then low-built gross weight drops, meet vehicle when high speed rank to light-weighted higher requirement.
As it is shown in figure 1, two main beams 3 are fixedly connected on the middle part of two curb girders 1, main beam 3 is the steel pipe of hollow, main beam 3 preferably employs the seamless steel pipe of S355J2W material, not only bulk strength does not reduce, and decreases a lot of weld seam, and processability of product structure is greatly enhanced.The side plate of two curb girders 1 is run through at the both ends of main beam 3, fix with the plate-side plate welding of curb girder 1, simplify frame construction as much as possible, drop low-built gross weight, framework is made to have higher pliability and stretch-proof performance, it is possible to the steady requirement of vehicle body when being suitable for narrow gage vehicle high-speed cruising.
As shown in Figure 1, for improving the mechanical strength being framed in transversely, and provide carrying platform for installing other basic component, a pair floor stringer 4 is set between two main beams 3 again, two floor stringers 4 be arranged in parallel, and it is the body structure of hollow, top board, side plate and base plate splice and be welded, ensureing bulk strength and the rigidity of floor stringer 4, the two ends of floor stringer 4 are weldingly fixed on the main beam 3 at two ends.
Owing to narrow gage vehicle lateral dimension is little, limited space, for making structure more compact, as it is shown in figure 1, the top board in the middle part of each curb girder 1 is welded and fixed air spring supporting seat 7, air spring supporting seat 7 fixedly mounts air spring (not shown).Air spring is fixed on the top board of curb girder 1, it is possible to use main beam 3, as auxiliary chamber, can strengthen span simultaneously, increases the rigidity of sidewindering of vehicle, improve the dynamic performance of vehicle.As it is shown on figure 3, be welded with the anti-snakelike damper base 8 for fixedly mounting anti-snakelike vibroshock on the side plate being positioned at outside of each curb girder 1, anti-snakelike damper base 8 is arranged between two main beams 3.
As shown in Figure 3, in order to improve the speed class of narrow gauge passenger train, it is fixed with anti-side rolling torsion rod seat 11 bottom two curb girders 1, for fixing anti-side rolling torsion rod seat 11, in the present embodiment, the base plate of curb girder 1 is disconnected, the both sides of anti-side rolling torsion rod seat 11 are docked with the base plate of the curb girder 1 of both sides and are welded and fixed, between other both sides and the side plate of curb girder 1 of anti-side rolling torsion rod seat 11, welded corner joint is fixed, namely anti-side rolling torsion rod seat 11 becomes a part for curb girder 1 base plate, not only can ensure that intensity, framework gross weight can also be alleviated, save space, increase anti-side rolling torsion rod span, what increase vehicle sidewinders rigidity, improve the dynamic performance of vehicle.
As it is shown in figure 1, be symmetrically welded with horizontal stopping seat 9 and horizontal damper holder 10 on floor stringer 4, it is used for fixedly mounting horizontal backstop and lateral damper.
As shown in figures 1 and 3, in the present embodiment, brake clamp flap seat 12 adopts external, is arranged on end carriage 2, and correspondingly brake clamp adopts external to arrange, meets gauge requirement.Each end carriage 2 is fixed with two brake clamp flap seats 12, brake clamp flap seat 12 and end carriage 2 are structure as a whole part, the width of brake clamp flap seat 12 is more than the width of both sides end carriage 2, and junction adopts arc transition, it is ensured that the intensity of brake clamp flap seat 12, avoid stress to concentrate simultaneously, being welded with four fixed derricks run through 13 on brake clamp flap seat 12, brake clamp is hung on four fixed derricks 13, this kind of suspending way simple in construction, horizontal allowance is relatively big, and adaptability is higher.As it is shown in figure 1, fixed derrick 13 is surrounded by the steel plate of surrounding, it is ensured that its installation strength, the fixed derrick 13 in inner side adopts the form of semi-surrounding, the wheel that so can effectively avoid the being adjacent tread to 14.
Owing to narrow gage vehicle lateral dimension is little, limited space, as depicted in figs. 1 and 2, in the present embodiment, sidepiece at each main beam 3 is welded and fixed one and installs flap seat 15, installing, flap seat 15 is integrated with drawing pull bar seat 17, gearbox lifting rod seat 18, by drawing pull bar seat 17, gearbox lifting rod seat 18 is integrated in a structural member and namely installs on flap seat 15, this integral structure, it is not only advantageous to welded and installed to fix, solve the problem that weld seam is overlapping, improve the service life of framework, the weight of whole framework can be alleviated simultaneously, be conducive to the integral lifting of framework, and while ensureing overall construction intensity, it is effectively increased the utilizability in space.
Traction electric machine mounting seat 16 is the body structure of hollow, is provided with multiple lightening hole 20 thereon, not only can ensure that intensity, can alleviate weight simultaneously.Traction electric machine mounting seat 16 is individually welded and fixed with main beam 3.
The top installing flap seat 15 is U-shaped, and the top of U-shaped is gearbox lifting rod seat 18, and the bottom installing flap seat 15 is drawing pull bar seat 17, and the mounting plane of gearbox lifting rod seat 18 and drawing pull bar seat 17 is orthogonal.
As depicted in figs. 1 and 2, oblique on the top board of the curb girder 1 of both sides being symmetrically arranged with four bogies and play flap seat 21, this seat is used for lifting by crane bogie, and when bogie integral lifting, this bogie plays flap seat 21 can uniform stressed, it is ensured that lifting steadily and safety.
Embodiment two:
As shown in Figure 4 and Figure 5, the present embodiment provides a kind of framework of narrow-gauge train bogie, for the trailer bogie in narrow gauge passenger train.
It is different in that with embodiment one, at the sidepiece of two main beams 3 without welding traction electric machine mounting seat 16 and gearbox lifting rod seat 18, have only to be welded and fixed drawing pull bar seat 17 and integral lifting seat 19, drawing pull bar seat 17 and integral lifting seat 19 are integral type structure, are integrated on installation flap seat 15.
Said structure makes the overall structure of framework be optimized, reduce and avoid the appearance of high-stress area, the overall anti-fatigue performance making framework is greatly improved, the stress level making integral frame controls in the scope that intensity allows, it is entirely capable of meeting the requirement of high-speed cruising on domestic narrow gauge railway, the speed of service can reach more than 160km/h, has good stability, safety and comfortableness.
As it has been described above, plan content given in conjunction with the accompanying drawings and embodiments, it is possible to derive similar technical scheme.In every case it is the content without departing from technical solution of the present invention, according to any simple modification, equivalent variations and modification that above example is made by the technical spirit of the present invention, all still falls within the scope of technical solution of the present invention.

Claims (9)

1. a framework of narrow-gauge train bogie, it is characterized in that: by two curb girders, two end carriages, two main beams and two floor stringer compositions, the both ends of two described curb girders are connected by two described end carriages, two described main beams are fixedly connected on the middle part of two described curb girders, described curb girder, end carriage and main beam form " order " font structure, two described floor stringers are fixedly connected between two described main beams, described curb girder is by top board, base plate and side plate splice the case body structure being welded, it is fixed with anti-side rolling torsion rod seat in the bottom of two described curb girders, the base plate of described curb girder disconnects, the both sides of described anti-side rolling torsion rod seat are docked with the base plate of the described curb girder of both sides and are welded and fixed, between other both sides and the side plate of described curb girder of described anti-side rolling torsion rod seat, welded corner joint is fixed.
2. framework of narrow-gauge train bogie according to claim 1, it is characterized in that: described end carriage and curb girder are the case body structure that whole steel sheet is welded into, described end carriage is spliced by welding manner by top board, base plate and two side plates, described end carriage C-shaped in configuration, docks between end and the end of curb girder of described end carriage and is welded and fixed.
3. framework of narrow-gauge train bogie according to claim 2, it is characterised in that: described end depth of beam is less than described side depth of beam, and junction is arc transition.
4. framework of narrow-gauge train bogie according to claim 1, it is characterised in that: being fixed with two brake clamp flap seats on each described end carriage, described brake clamp flap seat and described end carriage are structure as a whole part.
5. framework of narrow-gauge train bogie according to claim 4, it is characterised in that: the width of described brake clamp flap seat, more than the width of end carriage described in both sides, is welded with four fixed derricks run through on described brake clamp flap seat.
6. framework of narrow-gauge train bogie according to claim 1, it is characterised in that: the both ends of described main beam are run through described curb girder and are welded and fixed.
7. framework of narrow-gauge train bogie according to claim 1, it is characterised in that: on the described curb girder of both sides, the oblique bogie that is symmetrically arranged with plays flap seat.
8. framework of narrow-gauge train bogie according to claim 1, it is characterised in that: on described main beam, it is welded with traction electric machine mounting seat, drawing pull bar seat, gearbox lifting rod seat, integral lifting seat.
9. framework of narrow-gauge train bogie according to claim 8, it is characterized in that: being welded with a mounting seat on described main beam, at least two in described traction electric machine mounting seat, drawing pull bar seat, gearbox lifting rod seat and integral lifting seat is integrated in described mounting seat.
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CN104118448B (en) * 2014-06-24 2017-03-29 中车青岛四方机车车辆股份有限公司 A kind of anti-side rolling torsion rod mounting structure and the bogie using the structure
CN107264562A (en) * 2016-04-06 2017-10-20 中车长春轨道客车股份有限公司 A kind of bogie and the rail vehicle with the bogie
CN108928363A (en) * 2018-07-19 2018-12-04 中车青岛四方机车车辆股份有限公司 Bogie frame and train with it
CN108944982A (en) * 2018-07-19 2018-12-07 中车青岛四方机车车辆股份有限公司 Bogie and train with it
CN108944986B (en) * 2018-07-19 2020-10-20 中车青岛四方机车车辆股份有限公司 Brake clamp mounting structure and train bogie with same
CN113022624B (en) * 2020-09-30 2024-04-12 中车长春轨道客车股份有限公司 Transverse and longitudinal integrated power steering frame with axle box capable of measuring temperature
CN115675558A (en) * 2022-11-22 2023-02-03 中车青岛四方机车车辆股份有限公司 Meter gauge framework structure for railway train and meter gauge bogie for railway train

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