CN101979266B - Power bogie with independent wheels for 100 percent low-floor light rail vehicles - Google Patents

Power bogie with independent wheels for 100 percent low-floor light rail vehicles Download PDF

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Publication number
CN101979266B
CN101979266B CN2010105206445A CN201010520644A CN101979266B CN 101979266 B CN101979266 B CN 101979266B CN 2010105206445 A CN2010105206445 A CN 2010105206445A CN 201010520644 A CN201010520644 A CN 201010520644A CN 101979266 B CN101979266 B CN 101979266B
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CN
China
Prior art keywords
motor
framework
truck
traction
coupling
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Application number
CN2010105206445A
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Chinese (zh)
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CN101979266A (en
Inventor
陆海英
王文华
尹振坤
韩俊臣
田战国
董磊
张莉
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长春轨道客车股份有限公司
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Priority to CN2010105206445A priority Critical patent/CN101979266B/en
Publication of CN101979266A publication Critical patent/CN101979266A/en
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Publication of CN101979266B publication Critical patent/CN101979266B/en

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Abstract

The invention discloses a power bogie with independent wheels for 100 percent low-floor light rail vehicles. The side beams of the framework are cantilevers which protrude outward; two short shafts are supported by bearing units and connected with elastic wheels respectively; an axle consists of the two short shafts; two wheels on the same side of the bogie are fixed on a motor-driven shaft; a motor is coupled with two gear boxes; a brake system is integrated with a traction motor; the four secondary vertical dampers are arranged at the four corners of the framework; the secondary transverse dampers are arranged at the two ends of the framework; and a parallel double-pull rod traction system is arranged on the inner side of the framework. The requirement of 100 percent low floor on vehicle bodies is really realized by the high-strength welded framework, the independent wheel axle mechanism, the primary springs and the secondary springs which are rationally structured, the optimal secondary vertical and transverse dampers, the parallel double-pull rod traction device with internal traction, the longitudinal drive of the elastically frame-suspended motor, and the hydraulic brake unit which is integrated with the traction motor.

Description

100% low-floor light rail vehicle is independently taken turns power truck

Technical field

The present invention relates to bogie truck, especially relate to a kind of 100% low-floor light rail vehicle and independently take turns power truck.

Background technology

The power truck at 70% low floor vehicle two ends adopts traditional form, and traction electric machine is placed in the framework inboard, and crossbeam is connected the centre at the thicker position, middle part of curb girder; Therefore; Power truck top car body is high floor area, and like this, the two-stage step is made troubles to the passenger is current.In order to make full car floor level is the low floor district all, the height of the high floor area of reduction that something must be done to.Yet because the restriction of traditional concept, people are difficult to change light rail vehicle motor and gear case hanging position, so never realize 100% lowland wooden handcart.

Summary of the invention

Technical matters to be solved by this invention provides a kind of 100% low-floor light rail vehicle and independently takes turns power truck, and making the full car of light rail car floor is low floor all, satisfies the convenience that the passenger passes through.

For solving the problems of the technologies described above; The present invention provides a kind of 100% low-floor light rail vehicle independently to take turns power truck; Comprise that framework, axle bridge form, one be that spring, secondary spring, two are vertical, lateral damper, duplex pull rod trailer coupling, the outstanding vertical driver train of motor of elastic shelf, hydraulic brake unit, it is characterized in that:

(1) framework: truck side sill is the cantilevered of outwards protruding; The bracketed part of its protrusion is as motor hanger; The secondary spring mount pad is located on the motor hanger; Truck transom adopts the quadra structure to be connected the bottom at two truck side sills middle parts, and truck end sill adopts U type structure, its bottom and the truck transom plane that coexists;

(2) axle bridge mechanism: two minor axises support through bearing unit and connect an elastic wheel separately respectively; Bearing unit is fixed on the minor axis through bearing gland; Between cambered axle and bearing unit, be provided with dust ring on the minor axis; Bonnet is installed on the elastic wheel also and between the dust ring forms labyrinth packing, be provided with the lamination seal ring between elastic wheel and the bearing gland;

(3) axle construction: axletree is made up of two minor axises, the tapered roller bearing group of bearing arrangement for varying in size together, and one of them bearing is assemblied in the wheel endoporus;

(4) two of bogie truck the same side wheels are fixed on the motor driving shaft, and motor connects with two gears case;

(5) brake system and traction electric machine become one, motor side half-coupling and motor output shaft interference fit, and brake disc and motor side half-coupling Bolt Connection, the motor side half-coupling is through bolt and the assembling of gear box side half-coupling;

(6) four two is that vertical damper is located on four jiaos of framework;

(7) two is the end positions that horizontal shock attenuation unit is located at framework;

(8) parallel double pull bar traction system is located at the inboard of framework.

In order to make pull bar have the effect that reduces the longitudinal direction of car impulsion, the two ends perforate of drawing pull bar also is pressed into the elastic caoutchouc node.

In order to improve the dynamic performance of vehicle, the secondary suspension device adds rubber pad by steel spring and forms.

The present invention adopts high-fatigue strength reliability welded frame and independent axle bridge to form; Rational in infrastructure one is spring and secondary spring; Two of the best is vertical and lateral damper, and adopts the parallel double pull bar draw gear of interior traction and the outstanding motor of elastic shelf vertically to drive employing and the integrated hydraulic brake unit of traction electric machine; Make this novel steering frame from truly having realized the reduction of car body floor face, realized car body 100% low floor requirement.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the upward view of Fig. 1;

Fig. 3 is the structural representation of framework;

Fig. 4 is the structural representation of a bridge;

Fig. 5 is the integrated structural representation of traction electric machine and hydraulic brake system;

Fig. 6 is the structural representation of drawing pull bar.

The specific embodiment

With reference to Fig. 1, Fig. 2, bogie truck of the present invention is made up of following each several part: the framework by curb girder, crossbeam and end carriage assembly welding form forms 1; The axle bridge forms 2; Minor axis 3; Pass through the actuating device 4 of plunging joint transmission by motor and gear case; With the integrated hydraulic brake unit 5 of traction electric machine; The secondary suspension system forms 6; Two is vertical shock attenuation unit 7; Two is horizontal shock attenuation unit 8; Elastic wheel 9 with effect of vibration and noise reduction; Parallel double pull bar traction system 10; Advanced electromagnetic rail brake system 11.It is the basis of other each parts of assembling that framework is formed, and is to realize one of critical component that the car body floor face reduces; Minor axis 3 is assemblied in a spool bridge to be formed on 2, is one of vital part that major axis is changed into minor axis, the axle bridge form 2 with have effect of vibration and noise reduction elastic wheel 9 assemble; The common wheel of forming is to structure, and the elastic wheel 9 with effect of vibration and noise reduction aims at the low novel wheel of plate vehicle design-calculated, and wheel itself also plays certain damping of vibrations; Connection mode is different with conventional bogie; Among the wheel endoporus, little bearing places on the minor axis of the outside, during the wheel operation with macro-axis bearing in the bearing set of small one and large one formation of axle head for it; Wheel drives the outside race rotation and bearing inner ring does not change; This connecting mode and conventional bogie differ widely, and mode of motion and conventional bogie are opposite fully, have but realized common purpose simultaneously.Actuating device 4 is the constituent elements of motor and gear case, and suspension is installed in framework and forms the same side of 1, and former and later two of driving bogie truck are taken turns, and this was with structure was different fully in the past; Hydraulic brake unit 5 is integrated among the actuating device 4; It is important composition parts of realizing 100% lowland wooden handcart that the secondary suspension system forms 6, and two is that vertical shock attenuation unit 7, two is that horizontal shock attenuation unit 8 one ends link to each other with truck frame composition 1, and the other end links to each other with car body, plays effectiveness in vibration suppression; The duplex pull rod trailer coupling of parallel double pull bar traction system 10 has realized that the equal horizontal stroke of bogie truck working direction is stressed, and the suitable and unlikely bogie truck of two side draws receives inclined to one side power and derails; Electromagnetic rail brake system 11 is assembled together to composition with wheel, under the wooden handcart emergency braking situation of lowland the failure-free braking force being provided.

With reference to Fig. 3; Framework mainly comprises truck side sill 101, motor hanger 102, bolted connection seat 103, secondary spring mount pad 104, truck transom 105, horizontal curb girder Connection Block 106, truck end sill 107; Truck side sill is the cantilevered of outwards protruding; The bracketed part of its protrusion is as motor hanger, and the secondary spring mount pad is located on the motor hanger, and truck transom adopts the quadra structure to be connected the bottom at two truck side sill middle parts; Truck end sill adopts U type structure, its bottom and the truck transom plane that coexists.

With reference to Fig. 4; The axle Biodge device comprises cambered axle 210, minor axis 209, and through bearing unit 202 support and connection elastic wheels 201, bearing unit is fixed on the minor axis through bearing gland 203 on the minor axis; Between cambered axle and bearing unit, be provided with dust ring 205 on the minor axis; Be equipped with on the elastic wheel bonnet 204 and and dust ring 205 between form labyrinth packing, be provided with lamination seal ring 206 between elastic wheel and the bearing gland, axle drive shaft 207 is connected with elastic wheel 201; Be used for transmission of drive force, the 208th, earth system.

With reference to Fig. 5; Brake system and traction electric machine become one; Motor side half-coupling 502 is assembled together through the interference mode with motor output shaft 503, and brake disc 501 and motor side half-coupling 502 are assembled together through Bolt Connection, and the motor side half-coupling is assembled together through bolt and gear box side half-coupling 504 more then; Glancing impact makes traction electric machine and brake system organically combine through apply the rotation that Clamping force stops the motor plunging joint to brake disc like this.

With reference to Fig. 6; Drawing pull bar is press-fited by the rubber nodal point 1002 at connecting rod 1001 and two ends and constitutes, and compares with motor-car drawing pull bar structure in the past, and length dimension reduces; Two nodes change parastate into by original plumbness, are prone to connect with car body drawing pull bar seat.

Claims (2)

1. a low-floor light rail vehicle is independently taken turns power truck; Comprise that framework, axle bridge form, one be that spring, secondary spring, two are vertical, lateral damper, duplex pull rod trailer coupling, the outstanding vertical driver train of motor of elastic shelf, hydraulic brake unit, it is characterized in that:
(1) framework: truck side sill is the cantilevered of outwards protruding; The bracketed part of its protrusion is as motor hanger; The secondary spring mount pad is located on the motor hanger; Truck transom adopts the quadra structure to be connected the bottom at two truck side sills middle parts, and truck end sill adopts U type structure, its bottom and the truck transom plane that coexists;
(2) axle bridge mechanism: two minor axises support through bearing unit; Connect an elastic wheel separately respectively; Bearing unit is fixed on the minor axis through bearing gland; Between cambered axle and bearing unit, be provided with dust ring on the minor axis, bonnet be installed on the elastic wheel also and between the dust ring form labyrinth packing, be provided with the lamination seal ring between elastic wheel and the bearing gland;
(3) axle construction: axletree is made up of two minor axises, and bearing unit comprises two tapered roller bearings that vary in size, and one of them bearing is assemblied in the wheel endoporus;
(4) two of bogie truck the same side wheels are fixed on the motor driving shaft, and motor connects with two gears case;
(5) brake system and traction electric machine become one, motor side half-coupling and motor output shaft interference fit, and brake disc and motor side half-coupling Bolt Connection, the motor side half-coupling is through bolt and the assembling of gear box side half-coupling;
(6) four two is that vertical damper is located on four jiaos of framework;
(7) two is the end positions that horizontal shock attenuation unit is located at framework;
(8) parallel double pull bar traction system is located at the inboard of framework.
2. 100% low-floor light rail vehicle according to claim 1 is independently taken turns power truck, it is characterized in that: the two ends perforate of drawing pull bar also is pressed into the elastic caoutchouc node.
CN2010105206445A 2010-10-26 2010-10-26 Power bogie with independent wheels for 100 percent low-floor light rail vehicles CN101979266B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105206445A CN101979266B (en) 2010-10-26 2010-10-26 Power bogie with independent wheels for 100 percent low-floor light rail vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105206445A CN101979266B (en) 2010-10-26 2010-10-26 Power bogie with independent wheels for 100 percent low-floor light rail vehicles

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CN101979266B true CN101979266B (en) 2012-01-18

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Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103895657B (en) * 2012-12-26 2017-04-05 中车青岛四方机车车辆股份有限公司 100% low floor vehicle mechanism of independent wheel manifold type driving means
CN103381835A (en) * 2013-06-28 2013-11-06 长春轨道客车股份有限公司 Driving mechanism with single motor and two wheels in one side for 100% low-floor light railway vehicle independent wheel
CN103802852A (en) * 2014-03-07 2014-05-21 唐山轨道客车有限责任公司 Power bogie of tramcar
CN103802853A (en) * 2014-03-07 2014-05-21 唐山轨道客车有限责任公司 100% low floor tramcar non-power bogie and tramcar
CN103863348B (en) * 2014-04-02 2016-02-10 成都市新筑路桥机械股份有限公司 A kind of 100% low floor light rail train power steering truck frame work
CN103863349B (en) * 2014-04-02 2016-03-16 成都市新筑路桥机械股份有限公司 A kind of power truck for 100% low floor vehicle
CN104401189B (en) * 2014-12-05 2016-10-26 长春轨道客车股份有限公司 A kind of 100% low-floor light rail vehicle power truck
CN104554331B (en) * 2015-01-14 2017-04-12 中车青岛四方机车车辆股份有限公司 Installing structure for magnetic rail brake and rail vehicle using same structure
CN104608788B (en) * 2015-01-16 2018-02-27 中车青岛四方机车车辆股份有限公司 A kind of low-floor rail vehicle bogie
CN104709308A (en) * 2015-03-06 2015-06-17 重庆恒通客车有限公司 Three-axle power bogie based on 100% low-floor tramcar
DE102015211064A1 (en) * 2015-06-16 2016-12-22 Bombardier Transportation Gmbh Drive arrangement for rail vehicle, rail vehicle with drive arrangement and method for producing the drive arrangement and the rail vehicle
CN204956499U (en) * 2015-09-30 2016-01-13 南车南京浦镇车辆有限公司 Tire low -floor bogie
CN105216548B (en) * 2015-09-30 2017-12-26 中车南京浦镇车辆有限公司 A kind of rubber wheel driving wheel pair
CN105752090A (en) * 2016-02-24 2016-07-13 上海应用技术学院 Railway independent wheel bogie electric coupling technology
CN108275168A (en) * 2018-01-24 2018-07-13 中车株洲电力机车有限公司 A kind of bogie frame of low-floor tramcar

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