CN203372249U - Large-axle-load railway vehicle bogie - Google Patents

Large-axle-load railway vehicle bogie Download PDF

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Publication number
CN203372249U
CN203372249U CN201320383637.4U CN201320383637U CN203372249U CN 203372249 U CN203372249 U CN 203372249U CN 201320383637 U CN201320383637 U CN 201320383637U CN 203372249 U CN203372249 U CN 203372249U
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China
Prior art keywords
curb girder
riser
framework
axle
brake
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CN201320383637.4U
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Chinese (zh)
Inventor
王晓明
马利军
于春广
李言义
翟超智
孙厚礼
蒯荣生
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CRRC Qingdao Sifang Co Ltd
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CSR Qingdao Sifang Locomotive and Rolling Stock Co Ltd
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Priority to CN201320383637.4U priority Critical patent/CN203372249U/en
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Abstract

The utility model relates to a large-axle-load railway vehicle bogie which comprises a framework, two wheel pairs, a primary suspension device, a secondary suspension device, a traction device, a base brake device, a traction motor and a gear box. The framework is composed of a lateral beam, a horizontal beam and an auxiliary beam. The two wheel pairs, the primary suspension device, the secondary suspension device, the traction device, the base brake device, the traction motor and the gear box are arranged on the framework. The primary suspension device is composed of a steel spring and a rotating arm shaft box, wherein the rotating arm shaft box is connected with the framework through the steel spring. Each wheel pair comprises an axle and wheels fixed at the two ends of the axle, wherein the axle is connected with the rotating arm shaft box. The secondary suspension device comprises an air spring, a side rolling preventing torsion rod and a height control device, wherein the air spring, the side rolling preventing torsion rod and the height control device are arranged on the framework. The whole bending resistance and torsion resistance of the bogie are greatly improved by increasing the height of a vertical plate of the lateral beam, the outer radius of the horizontal beam and the thickness of the horizontal beam. Furthermore, the bearing capacity of a motor lifting seat and the bearing capacity of a gear box lifting seat are remarkably improved, and the vertical bearing capacity of the lateral beam are remarkably improved to meet 17t axle load.

Description

The macro-axis heavy rail road bogie of car
Technical field
The utility model relates to a kind of bogie truck, particularly a kind of macro-axis heavy rail road bogie of car.
Background technology
The bogie truck of railcar is the important component part of whole vehicle, and its performance directly has influence on safety, stability, operation speed per hour of vehicle integral body etc.Railcar mainly is divided into three kinds of vehicles: A type, Type B and C type, and the key distinction between them is width over sides of car body, A type car width over sides of car body maximum wherein, passenger capacity is maximum, and corresponding bogie axle is heavy also larger, but substantially below 16t.
A type railcar of the prior art, the design axle is heavy is only 16t, passenger capacity is limited, in the time of can not meeting the city traffic peak, to the demand of subway passenger capacity, can not well alleviate the city transport pressure.
The utility model content
The utility model main purpose is to address the above problem and is not enough, provides a kind of axle great, and passenger capacity is many, and the safe in operation pulsation-free macro-axis heavy rail road bogie of car.
For achieving the above object, the technical solution of the utility model is:
A kind of macro-axis heavy rail road bogie of car, comprise framework, described framework is by curb girder, crossbeam and floor stringer form, and two wheels that are arranged on described framework are right, the single stage suspension device, secondary suspension device, draw gear, foundation brake rigging, traction electric machine, gear case, described single stage suspension device is by steel spring, tumbler axle-box forms, described pivoted arm axle box is connected with described framework by described steel spring, the described wheel comprising wheel shaft and the wheel that is fixed on the wheel shaft two ends, described wheel shaft is connected with described pivoted arm axle box, described secondary suspension device comprises the air bellow be arranged on described framework, anti-side rolling torsion rod and height controller.
Further, described curb girder is the body structure with hollow, include a pair of upper and lower cover plates that is welded to form and the riser of both sides, the height of riser is increased to 320mm-340mm, described crossbeam comprises and runs through described curb girder riser, and the steel pipe be welded and fixed with described riser, the overall diameter of steel pipe is increased to 200mm-210mm, and the steel pipe wall thickness is increased to 13.5mm-14.5mm.
Further, wheel is to comprising wheel and axletree, and described axletree is solid axle, and described axletree diameter is increased to 170mm-190mm, increases described bearing loading capability.
Further, foundation brake rigging is the tread brake device, and described tread brake device is comprised of brake cylinder and brake shoe, and described brake cylinder is fixed on described curb girder.
Further, be provided with a plurality of braking support rods on described curb girder, a plurality of described braking support rods run through the riser of described curb girder both sides, and be weldingly fixed on the riser of curb girder both sides, be provided with through hole on described braking support rod, pass described through hole by bolt described tread brake device is fixed on the inboard riser of described curb girder.
Further, be provided with the corresponding tapped bore of a plurality of and described braking support rod on described brake cylinder, pass described through hole by bolt described brake cylinder is fixed on the riser of described curb girder inboard.
Further, the excellent two ends of braking support protrude from described curb girder riser, so that, after the installation of described brake cylinder, the position of brake shoe is concordant with wheel tread.
Further, anti-side rolling torsion rod comprises torsion bar, turns round arm and pipe link, and the described arm of turning round is arranged on the described curb girder outside, and described torsion bar is arranged in described crossbeam, and the two ends of described torsion bar are connected with the described arm of turning round through described curb girder, and the described arm of turning round connects described pipe link.
Content to sum up, a kind of macro-axis heavy rail described in the utility model road bogie of car has following advantage:
1, by the improvement to the framework size, especially increase curb girder riser height, crossbeam outside radius and thickness, make integral bending and the torsional strength of bogie truck greatly increase, the load-carrying capacity of motor hanger and gear box bracket significantly improves, the vertical load-carrying capacity of curb girder increases substantially, to meet 17t axle weight.
2, by the increase to the axletree diameter, optimize wheel web, make wheel in the weight-saving situation, optimize its load-carrying capacity.
3, the brake cylinder of tread brake device is fixed on curb girder, has reduced the loading strength of crossbeam, and makes the bogie truck inner structure more reasonable, compact conformation.
4, the torsion bar by anti-side rolling torsion rod is arranged in crossbeam; The brake cylinder of tread brake device is fixed on curb girder; Single stage suspension is tumbler axle-box steel spring structure, makes the compact conformation of bogie truck, long service life, and safety operates steadily.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is draw gear structural representation of the present utility model.
As shown in Figure 1 to Figure 3, curb girder 1, crossbeam 2, floor stringer 3, air bellow 4, arrangement for adjusting height 5, wheel 6, steel spring 7, vertical damper 8, tumbler axle-box 9, tread brake device 10, traction electric machine 11, traction seat 12, drawing pull bar 13, braking support rod 14, supporting seat 15, turn round arm 16, pipe link 17, bolt block 18, torsion bar 19, lateral damper 20, gear case 21, center pin 22, axletree 23, brake cylinder 24, brake shoe 25.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail:
As depicted in figs. 1 and 2, the macro-axis heavy rail road bogie of car, for railcar, bogie truck comprises a framework, is provided with two wheels to, single stage suspension device, secondary suspension device, draw gear, foundation brake rigging, traction electric machine 11, gear case 21 on framework.This programme macro-axis heavy rail road bogie of car is applied to A type railcar, and maximum allowable axle load is 17t, and the operation speed per hour is 80km, designs speed per hour 90km, can greatly improve the transport power of railcar.
Framework is H type structure, comprises two curb girders 1, two crossbeams 2 and two floor stringers 3.Curb girder 1 body structure for having hollow, include a pair of upper and lower cover plates that is welded to form and the riser of a pair of both sides; Crossbeam 2 comprises and runs through curb girder 1 riser, and the steel pipe be welded and fixed with riser; Be welded and fixed two floor stringers 3 between two crossbeam 2 steel pipes, the body structure of floor stringer 3 for thering is hollow.
Two curb girder 1 middle parts are fixedly connected with by two crossbeams 2, the curb girder 1 of both sides is run through at crossbeam 2 two ends, on the interior outer vertical plate of curb girder 1, be welded and fixed, the two ends of crossbeam 2 are positioned at the outside of both sides curb girder 1, and the end at crossbeam 2 two ends is concordant with the outer cant board of curb girder 1 or protrude certain altitude.The torsion bar 19 of one of them crossbeam 2 for anti-side rolling torsion rod is set, the steel disc that another crossbeam 2 is used at the port of end welded seal.Position around the port at crossbeam 2 two ends, be provided with the mount pad of a plurality of anti-side rolling torsion rods, and mount pad is bolt block 18, and the torsion bar 19 of anti-side rolling torsion rod runs through whole crossbeam 2 steel pipes, and torsion bar 19 two ends connect turns round arm 16, turns round arm 16 and is fixed on bolt block 18.
Be provided with two floor stringers 3 between two crossbeams 2, floor stringer 3 is box-structure, with steel pipe type structure, to compare strained condition good, floor stringer 3 is being subject to vertical load, particularly during the traction electric machine vertical load, floor stringer 3 top and the bottom and crossbeam 2 steel pipe junction weld seams are subject to tension and compression, and steel pipe type structure is that single-point bears this tension and compression stress, and box-structure is whole piece straight bead, carry this tension and compression stress.
Two crossbeams 2 and two floor stringers 3 form " mouth " character form structure, and at " mouth " character form structure, central authorities are provided with draw gear.Be provided with horizontal damper holder and horizontal stopping seat on two floor stringers 3, lateral damper one end is fixed on horizontal damper holder, and the other end is fixed on draw gear.Laterally on stopping seat, horizontal backstop being set, for the backstop of draw gear and floor stringer 3.Be provided with the drawing pull bar seat on two crossbeams 2, two drawing pull bar seat skew symmetries arrange, and an end of drawing pull bar 13 is fixed on the drawing pull bar seat, and the other end is fixed on the traction seat 12 of draw gear.
Be provided with gear box bracket and motor hanger on two crossbeams 2, the gear box bracket of two crossbeams 2 and motor hanger are skew symmetry to be arranged, for the lifting of gear case 21 and traction electric machine 11.
Recessed and be provided with the air bellow mount pad in the middle of curb girder 1, for the installation of air bellow 4 provides space, the two ends of curb girder 1 arrange the mount pad of single stage suspension, comprise vertical damper holder, steel bomb spring abutment and axle box flap seat.
Be provided with three braking support rods 14 on curb girder 1, braking support rod 14 is for fixing tread brake device 10, and tread brake device 10 comprises brake cylinder 24 and brake shoe 25, and braking support excellent 14 runs through whole curb girder 1, and two ends are fixedly connected on curb girder 1 vertical plates on both sides.At braking Cheng Bang 14 center processing through holes, be provided with three tapped bore corresponding with braking support rod 14 on brake cylinder 24, by bolt from the braking support rod 14 of cant board insert and the brake cylinder of tread brake device 10 24 be fixed on the riser of curb girder 1 inboard.The two ends of braking support rod 14 protrude from the riser of curb girder 1 both sides, so that, after brake cylinder 24 installations, the position of brake shoe 25 is concordant with wheel 6 treads.Tread brake device 10 is arranged on curb girder 1, makes bogie truck inner structure compactness, and has reduced the loading strength of crossbeam 2.
For making bogie truck can meet the great wheel shaft of reach, bending strength and the torsional strength of framework is optimized.According to the Torsion Section coefficient, the diameter that wherein D is steel pipe, α is the steel pipe interior diameter and the ratio of overall diameter, the framework of this programme bogie truck has increased crossbeam 2 overall diameters and wall thickness, the overall diameter of crossbeam 2 is increased to 200mm-210mm, the pipe wall thickness of crossbeam 2 is increased to 13.5mm-14.5mm, and the overall diameter of increase and wall thickness actv. have increased the Torsion Section coefficient of crossbeam 2 steel pipes, makes the load-carrying capacity of motor hanger, gear box bracket and drawing pull bar seat increase considerably.
According to the bending resistant section coefficient, the width that wherein b is curb girder 1 upper and lower cover plate, the height that h is curb girder 1 riser, the framework of this programme bogie truck has increased the riser height of curb girder 1, the riser height of curb girder 1 is increased to 320mm-340mm, the riser height increased can preferably increase the bending resistant section coefficient of curb girder 1, has improved the vertical load-carrying capacity of curb girder 1, and the bending strength of framework is increased.
Single stage suspension comprises tumbler axle-box 9, steel spring 7 and vertical damper 8, and steel spring 7 is arranged on tumbler axle-box 9 tops, and an end of tumbler axle-box 9 is by the caoutchouc elasticity node installation on framework, and the other end is connected with framework by vertical damper 8.Pivoted arm steel spring single stage suspension can avoid vertical load excessive, effectively isolates the vibration from track.
Secondary suspension comprises air bellow 4, anti-side rolling torsion rod and arrangement for adjusting height 5, and air bellow 4 is arranged on truck side sill 1 middle part, connection body and bogie truck.
Anti-side rolling torsion rod comprises that torsion bar 19, two turn round arm 16 and two pipe links 17, torsion bar 19 is arranged in crossbeam 2, run through whole crossbeam 2, turn round the port that arm 16 is arranged on crossbeam 2 two ends, be provided with the bolt block 18 of four protrusions in the position near crossbeam 2 ports, port left and right at crossbeam 2 respectively arranges two, the height that the height of bolt block 18 will protrude higher than crossbeam 2 ends.Be provided with a supporting seat 15 in crossbeam 2 ports, be provided with on supporting seat 15 for bolt and pass fixing through hole, and the hole of passing for torsion bar 19.Supporting seat 15 is bolted on four bolt blocks 18 on crossbeam 2 port sides, and torsion bar 19 is through the hole of the supporting seat 15 fixed, two ends with turn round arm 16 by the transition splined, can be for convenience detach.Turn round arm 16 and take torsion bar 19 as center of circle rotation, the other end of turning round arm 16 connects pipe link 17 by oscillating bearing, and the rotation of turning round arm 16 can make pipe link 17 above-below direction motions, the other end connection body bottom of pipe link 17.
Torsion bar 19 is arranged in crossbeam 2, and actv. has been saved the inner space of bogie truck, has optimized the structure of bogie truck.Turn round the outside that arm 16 is arranged on curb girder 1, the horizontal span that is arranged on curb girder 1 inboard than tradition is large, and the distance between two attachment points of car body is also wide than traditional, the anti-side rolling torsion rod that is arranged on curb girder 1 inboard with tradition is compared, in the situation that identical reactive torque, because the distance between attachment point is large, what the amplitude that car body rocks can be than with traditional anti-side rolling torsion rod is little, improve comfort level, and resisting the better effect of having used of sidewindering.
By one being, secondary suspension device, guaranteed that this programme bogie truck has 17t axle weight, running stability during speed per hour 80km, traveling comfort.
As shown in Figure 3, draw gear adopts elasticity " Z " font drawing pull bar 13, comprises center pin 22, traction seat 12, two drawing pull bar 13 and two lateral dampers 20.Be provided with center pin 22 on traction seat 12, drawing pull bar 13 is installed respectively at traction seat 12 two ends, two drawing pull bar 13 are " Z " font with traction seat 12 and arrange, between drawing pull bar 13 and traction seat 12, by elastic joint, be connected, the other end of two drawing pull bar 13 is connected with the drawing pull bar seat of truck frame crossbeam 2.
Draw gear has also been installed lateral damper 20, prevent car body incline the pendulum excessive.Be provided with two and laterally subtract shock absorber 20 between the floor stringer 3 of draw gear and framework, two lateral damper 20 skew symmetry settings, an end of lateral damper 20 is fixed on floor stringer 3, and the other end is fixed on center pin 22, horizontal damping is provided, prevents that cross-car from moving too fast.
Foundation brake rigging adopts tread brake device 10, comprises brake cylinder 24 and brake shoe 25, and brake cylinder 24 is fixed on truck frame curb girder 1, specifically is fixed on the riser of curb girder 1 inboard, uses three bolts that brake cylinder 24 is fixed on braking support rod 14.Tread brake device 10 is fixed on curb girder 1, makes the bogie structure compactness, saves the bogie truck inner space, is fixed on crossbeam with brake cylinder 24 and compares, and has reduced the loading strength of crossbeam 2.
Wheel is to comprising solid axle 23 and the whole steel wheel 6 that grinds.Axletree 23 increases diameter, increases the diameter of axletree 23 to 170mm-190mm, but increases the load-carrying capacity that axletree 23 diameter actvies increase axletree 23, optimizes wheel 6 webs, makes wheel 6 in the weight-saving situation, optimizes the load-carrying capacity of axletree 23.11 of traction electric machines are suspended on the motor mount of truck transom 2.Gear case 21 is connected with axletree 23, and elasticity is connected on the gear case mount pad of truck transom 2, the interior employing oblique tooth type of gear case 21 gear.Traction electric machine 11 is connected by tooth coupling with gear case 21.
Torsion bar 19 by anti-side rolling torsion rod is arranged in crossbeam 2; The brake cylinder of tread brake device 10 is fixed on curb girder 1; Single stage suspension is tumbler axle-box steel spring structure; The optimization of " Z " font elastic traction pull bar 13 said structures such as grade, make the compact conformation of bogie truck, long service life, and safety operates steadily.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.

Claims (8)

1. the macro-axis heavy rail road bogie of car, comprise framework, described framework is by curb girder, crossbeam and floor stringer form, and two wheels that are arranged on described framework are right, the single stage suspension device, secondary suspension device, draw gear, foundation brake rigging, traction electric machine, gear case, it is characterized in that: described single stage suspension device is by steel spring, tumbler axle-box forms, described tumbler axle-box is connected with described framework by described steel spring, the described wheel comprising wheel shaft and the wheel that is fixed on the wheel shaft two ends, described wheel shaft is connected with described pivoted arm axle box, described secondary suspension device comprises the air bellow be arranged on described framework, anti-side rolling torsion rod and height controller.
2. the macro-axis heavy rail according to claim 1 road bogie of car, it is characterized in that: described curb girder is the body structure with hollow, include a pair of upper and lower cover plates that is welded to form and the riser of both sides, the height of riser is increased to 320mm-340mm, described crossbeam comprises and runs through described curb girder riser, and the steel pipe be welded and fixed with described riser, the overall diameter of steel pipe is increased to 200mm-210mm, and the steel pipe wall thickness is increased to 13.5mm-14.5mm.
3. the macro-axis heavy rail according to claim 1 road bogie of car is characterized in that: the described wheel comprising wheel and axletree, and described axletree is solid axle, described axletree diameter is increased to 170mm-190mm, increases described bearing loading capability.
4. the macro-axis heavy rail according to claim 1 road bogie of car, it is characterized in that: described foundation brake rigging is the tread brake device, and described tread brake device is comprised of brake cylinder and brake shoe, and described brake cylinder is fixed on described curb girder.
5. the macro-axis heavy rail according to claim 4 road bogie of car, it is characterized in that: be provided with a plurality of braking support rods on described curb girder, a plurality of described braking support rods run through the riser of described curb girder both sides, and be weldingly fixed on the riser of curb girder both sides, be provided with through hole on described braking support rod, pass described through hole by bolt described tread brake device is fixed on the inboard riser of described curb girder.
6. the macro-axis heavy rail according to claim 5 road bogie of car, it is characterized in that: be provided with the corresponding tapped bore of a plurality of and described braking support rod on described brake cylinder, pass described through hole by bolt described brake cylinder is fixed on the riser of described curb girder inboard.
7. the macro-axis heavy rail according to claim 6 road bogie of car, it is characterized in that: described braking is supportted excellent two ends and is protruded from described curb girder riser, so that, after described brake cylinder installs, the position of brake shoe is concordant with wheel tread.
8. the macro-axis heavy rail according to claim 1 road bogie of car, it is characterized in that: described anti-side rolling torsion rod comprises torsion bar, turns round arm and pipe link, the described arm of turning round is arranged on the described curb girder outside, described torsion bar is arranged in described crossbeam, the two ends of described torsion bar are connected with the described arm of turning round through described curb girder, and the described arm of turning round connects described pipe link.
CN201320383637.4U 2013-06-28 2013-06-28 Large-axle-load railway vehicle bogie Active CN203372249U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625493A (en) * 2013-06-28 2014-03-12 南车青岛四方机车车辆股份有限公司 Large-axle-load railway vehicle bogie
CN103832447A (en) * 2014-02-20 2014-06-04 广州电力机车有限公司 Low-floor train bogie
CN104477195A (en) * 2014-11-28 2015-04-01 南车株洲电力机车有限公司 Multifunctional compact traction device for center pin
CN104986177A (en) * 2015-03-20 2015-10-21 南车青岛四方机车车辆股份有限公司 Installation structure of wheel disc brake and bogie employing the installation structure
WO2017219556A1 (en) * 2016-06-21 2017-12-28 中车唐山机车车辆有限公司 Bogie
CN108116438A (en) * 2016-11-29 2018-06-05 中车大同电力机车有限公司 A kind of big axis weight engine truck

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625493A (en) * 2013-06-28 2014-03-12 南车青岛四方机车车辆股份有限公司 Large-axle-load railway vehicle bogie
CN103625493B (en) * 2013-06-28 2016-12-28 中车青岛四方机车车辆股份有限公司 Large-axle-load railway vehicle bogie
CN103832447A (en) * 2014-02-20 2014-06-04 广州电力机车有限公司 Low-floor train bogie
CN103832447B (en) * 2014-02-20 2016-08-17 广州电力机车有限公司 A kind of low-floor train bogie
CN104477195A (en) * 2014-11-28 2015-04-01 南车株洲电力机车有限公司 Multifunctional compact traction device for center pin
CN104986177A (en) * 2015-03-20 2015-10-21 南车青岛四方机车车辆股份有限公司 Installation structure of wheel disc brake and bogie employing the installation structure
CN104986177B (en) * 2015-03-20 2018-07-31 中车青岛四方机车车辆股份有限公司 A kind of bogie of the mounting structure and application of Multiple disc brake the device mounting structure
WO2017219556A1 (en) * 2016-06-21 2017-12-28 中车唐山机车车辆有限公司 Bogie
US10745036B2 (en) 2016-06-21 2020-08-18 Crrc Tangshan Co., Ltd. Bogie
CN108116438A (en) * 2016-11-29 2018-06-05 中车大同电力机车有限公司 A kind of big axis weight engine truck

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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee after: CRRC QINGDAO SIFANG CO., LTD.

Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd.