CN203713895U - Power truck frame of 100% low-floor tramcar - Google Patents

Power truck frame of 100% low-floor tramcar Download PDF

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Publication number
CN203713895U
CN203713895U CN201420078494.0U CN201420078494U CN203713895U CN 203713895 U CN203713895 U CN 203713895U CN 201420078494 U CN201420078494 U CN 201420078494U CN 203713895 U CN203713895 U CN 203713895U
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China
Prior art keywords
truck frame
power steering
crossbeam
frame work
low floor
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CN201420078494.0U
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Chinese (zh)
Inventor
陈经纬
赵家明
皮国瑞
张晓军
崔蕾
杲晓锋
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CRRC Tangshan Co Ltd
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Tangshan Railway Vehicle Co Ltd
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Abstract

The utility model provides a power truck frame of a 100% low-floor tramcar. The power truck frame comprises a cross beam, two side beams symmetrically welded at two ends of the cross beam and two end beams symmetrically welded at two ends of each side beam and used for connecting the two side beams, wherein the cross beam, the side beams and the end beams adopt hollow structures, a downward concave structure is arranged in the middle of each side beam, and a secondary spring mounting base is arranged at the downward concave structure. The power truck frame of the 100 tramcar adopts an integral structure; the secondary spring mounting base is arranged in the middle of each side beam, and a secondary spring is mounted in the middle of the side beam, so that the seat arrangement quantity is increased, and the passenger capacity of the car is improved. A gearbox and a traction motor are elastically connected onto the frame, the structure is simple, and the manufacturability is good.

Description

A kind of 100% low floor tramway train power steering truck frame work
Technical field
The utility model relates to a kind of 100% low floor tramway train power steering truck frame work.
Background technology
The floor level of 100% low floor tramway train is generally 350mm left and right, facilitates passenger, especially getting on or off the bus of children, wheelchair-bound disabled person etc.Meanwhile, facilitate passenger to move in car, reduce the time of getting on or off the bus.According to statistics, compared with common light rail car, low floor vehicle passenger getting on/off time decreased 30%.Can meet the freight volume demand of different cities and circuit by adjusting the organizational systems of train.
Bogie truck, as the running gear of tramway train, is the critical component of its operation, guiding, load-carrying and vibration damping.Riding quality, safety and the economy of bogie truck and tramway train have substantial connection.Framework is the main body frame of bogie truck, and the miscellaneous part of bogie truck need to fit together with framework.
The patent of invention that the patent No. is CN201010520644.5 provides a kind of truck frame of 100% low-floor light rail vehicle, as shown in Figure 1, truck side sill 1 and truck end sill 7 that this truck frame comprises truck transom 5 and connects respectively at this truck transom 5, on truck side sill 1, be provided with motor hanger 2, spring mounting seat 4 and bolt Connection Block 3, horizontal side beam connecting seat 6 is arranged on the junction of truck transom 5 and truck side sill 1.Truck side sill 1 is outwardly cantilevered, the bracketed part of its protrusion is as motor hanger 2, spring mounting seat 4 is located at this motor and hangs on 2, truck transom 7 adopts quadra structure to be connected to the bottom at two truck side sill 1 middle parts, truck end sill 7 adopts U-shaped structure, its bottom and truck transom 5 plane that coexists.
This truck frame complex structure, steel plate cutting cutting degree of utilization is low, die mould and machinework and welding job amount large.Truck end sill and curb girder are carrying structure, high to structural reliability and welding process requirement.
Because this truck frame is arranged in secondary spring the bracketed part of truck side sill 1, bracketed part is positioned at the position that truck side sill 1 is relatively high, and secondary spring is positioned on framework cantilever, has taken space on part car.Simultaneously because truck end sill 7 is provided with vertical damper holder, in Vehicle Driving Cycle process, vertical damper work-hours is longer, make truck end sill 7 and the junction of truck side sill 1 bear for a long time reverse load, this easily causes truck end sill 7 and truck side sill 1 junction to occur crackle, has potential safety hazard.
Because the seat cloth in electric car is placed in directly over bogie truck, the type selecting of secondary spring and layout are equipped with larger impact to seat cloth.In above-mentioned steering structure shelf structure, secondary spring is selected rubber spring or helical steel springs conventionally, for ensureing the high riding quality of tramway train, increases the operating altitude of spring, need select the helical steel springs that amount of deflection is larger, this can cause again seat arrangement space relatively to reduce.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of 100% low floor tramway train power steering truck frame work, is ensureing, under train operation quality prerequisite, to have reduced height of floor from rail top.
To achieve these goals, a kind of 100% low floor tramway train power steering truck frame work of the present utility model, comprising:
Crossbeam;
Two are symmetrically welded at the curb girder at described crossbeam two ends;
Two are symmetrically welded at described curb girder two ends, for connecting the end carriage of two curb girders,
Wherein, described crossbeam, curb girder, end carriage are hollow structure, and described curb girder middle part is provided with concave configuration, and described concave configuration place is provided with secondary spring mount pad.
Preferably, described crossbeam, curb girder are box-structure, all form with Plate Welding.
Preferably, described crossbeam both sides are respectively arranged with anti-side rolling torsion rod mount pad and drawing pull bar mount pad.
Preferably, the center position of described crossbeam is provided with horizontal backstop.
Preferably, the inner side of described curb girder is symmetrically arranged with two shake stopping seats taking described crossbeam as axis of symmetry, is provided with altogether four shake stopping seats on two curb girders.
Preferably, the bottom of two curb girders is provided with four electromagnetic rail brake backstops.
Preferably, the outside of described curb girder is symmetrically arranged with two gear case mount pads taking described crossbeam as axis of symmetry, is provided with altogether four gear case mount pads on two curb girders, on described gear case mount pad, is provided with skirtboard mount pad.
Preferably, the outside skew symmetry of two curb girders is provided with two vertical damper holders.
Preferably, described end carriage is tubular structure, and two ends are provided with the end carriage Connection Block for being connected with described curb girder.
Preferably, be provided with stucco obstacle deflector and rim lubricating device and anti-torsion device on described end carriage Connection Block, described anti-torsion device skew symmetry is arranged in power steering truck frame work two ends.
100% low floor tramway train power steering truck frame work of the present utility model, for integral structure, because secondary spring mount pad is arranged on curb girder middle part, secondary spring is arranged on curb girder middle part, this has just increased bogie truck top seat and has arranged quantity, has improved the passenger carrying capacity of vehicle.Gear case and traction electric machine are connected on framework by mount pad elasticity on curb girder, simple in structure, good manufacturability.
Brief description of the drawings
Fig. 1 is the structural representation of 100% low floor tramway train power steering truck frame work in prior art;
Fig. 2 is the front view of the 100% low floor tramway train power steering truck frame work of the utility model embodiment;
Fig. 3 is the birds-eye view of the 100% low floor tramway train power steering truck frame work of the utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.
Fig. 2 is the front view of the 100% low floor tramway train power steering truck frame work of the utility model embodiment, and Fig. 3 is the birds-eye view of the 100% low floor tramway train power steering truck frame work of the utility model embodiment.With reference to Fig. 2 and Fig. 3, the power steering truck frame work of 100% low floor tramway train of the present utility model, comprises crossbeam 8; The curb girder 9 at two two ends that are symmetrically welded at described crossbeam 8 and two are symmetrically welded at described curb girder 9 two ends, for connecting the end carriage 10 of two curb girders,
Wherein, described crossbeam 8, curb girder 9 and end carriage 10 are hollow structure, and described curb girder 9 middle parts are provided with concave configuration, and described concave configuration place is provided with secondary spring mount pad 18.
Secondary spring for bearing body is arranged on secondary spring mount pad 18 places, be that secondary spring is installed on curb girder 9, curb girder 9 is designed to middle part concave shape, can greatly reduces secondary spring setting height(from bottom), this design can be arranged 16 seats above power truck.
Crossbeam 8, curb girder 9 are box-structure, all form with Plate Welding.Calculate by intensity, under the prerequisite of proof strength, expendable weight as far as possible, ensures the lightweight of framework.Curb girder 9 middle part recessed portion rounding ofves, have avoided high-stress area appearance, can meet normal operating needs.
For ensureing to obtain better intensity under the prerequisite that reduces weight, the inside of crossbeam 8, curb girder 9 is welded with gusset, and in bad track situation, wheel bearing load is more uniform.
End carriage 10 is hollow steel tube, is welded and fixed by end carriage 10 Connection Blocks and truck side sill two ends, has increased the lateral stiffness of framework.Curb girder 9, end carriage 10 and crossbeam 8 are for being welded and fixed integral structure.
Power steering truck frame work of the present utility model, is integral structure, and because secondary spring mount pad is arranged on curb girder middle part, secondary spring is arranged on curb girder middle part, and this has just increased power truck top seat and has arranged quantity, has improved the passenger carrying capacity of vehicle.Gear case and traction electric machine are connected on framework by mount pad elasticity on curb girder, simple in structure, good manufacturability.
With reference to Fig. 3, crossbeam 8 both sides are respectively arranged with anti-side rolling torsion rod installation 13 and drawing pull bar mount pad 16, and the center position of crossbeam 8 is provided with horizontal backstop 15, and laterally backstop 15 can limit the cross travel of bogie truck and car body.
The inner side of curb girder 9 is symmetrically arranged with taking crossbeam 8 as axis of symmetry and on two shake stopping seat 11, two curb girders, is provided with altogether four shake stopping seats 11.The backstop 11 of shaking the head is set on curb girder 9, and the panning angle that only allows power truck and car body is 4 °.The bottom of two curb girders is provided with four electromagnetic rail brake backstops 12, and outside skew symmetry is provided with two vertical damper holders 17.
The outside of curb girder 9 is symmetrically arranged with two gear case mount pads 19 taking described crossbeam 8 as axis of symmetry, gear case mount pad 19, for the power unit of slung-load gear case outside power truck and traction electric machine composition, is provided with four gear case mount pads altogether on two curb girders.On gear case mount pad 19, be provided with skirtboard mount pad 20, skirtboard mount pad 20 is for installing the outer side skirt of bogie truck.
End carriage 10 is tubular structure, and two ends are provided with the end carriage Connection Block 14 for being connected with described curb girder.On end carriage Connection Block 14, be provided with stucco obstacle deflector and rim lubricating device and anti-torsion device, this anti-torsion device skew symmetry is arranged in power steering truck frame work two ends.
To sum up content, this power steering truck frame work has adopted lightweight, modular design concept, simple in structure, with low cost, easy care, safety, reliability are high.Meet the requirement of vehicle high-speed operation, improved again vehicle safety, stability, traveling comfort.
Power steering truck frame work is integral structure, and because secondary spring mount pad is arranged on curb girder middle part, secondary spring is arranged on curb girder middle part, and this has just increased bogie truck top seat and has arranged quantity, has improved the passenger carrying capacity of vehicle.Gear case and traction electric machine are connected on framework by mount pad elasticity on curb girder, simple in structure, good manufacturability.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment technical scheme of the utility model.

Claims (10)

1. a 100% low floor tramway train power steering truck frame work, is characterized in that, comprising:
Crossbeam;
Two are symmetrically welded at the curb girder at described crossbeam two ends;
Two are symmetrically welded at described curb girder two ends, for connecting the end carriage of two curb girders,
Wherein, described crossbeam, curb girder, end carriage are hollow structure, and described curb girder middle part is provided with concave configuration, and described concave configuration place is provided with secondary spring mount pad.
2. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, described crossbeam, curb girder are box-structure, all form with Plate Welding.
3. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, described crossbeam both sides are respectively arranged with anti-side rolling torsion rod mount pad and drawing pull bar mount pad.
4. 100% low floor tramway train power steering truck frame work according to claim 3, is characterized in that, the center position of described crossbeam is provided with horizontal backstop.
5. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, the inner side of described curb girder is symmetrically arranged with two shake stopping seats taking described crossbeam as axis of symmetry, is provided with altogether four shake stopping seats on two curb girders.
6. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, the bottom of two curb girders is provided with four electromagnetic rail brake backstops.
7. 100% low floor tramway train power steering truck frame work according to claim 1, it is characterized in that, the outside of described curb girder is symmetrically arranged with two gear case mount pads taking described crossbeam as axis of symmetry, on two curb girders, be provided with altogether four gear case mount pads, on described gear case mount pad, be provided with skirtboard mount pad.
8. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, the outside skew symmetry of two curb girders is provided with two vertical damper holders.
9. 100% low floor tramway train power steering truck frame work according to claim 1, is characterized in that, described end carriage is tubular structure, and two ends are provided with the end carriage Connection Block for being connected with described curb girder.
10. 100% low floor tramway train power steering truck frame work according to claim 9, it is characterized in that, on described end carriage Connection Block, be provided with stucco obstacle deflector and rim lubricating device and anti-torsion device, described anti-torsion device skew symmetry is arranged in power truck two ends.
CN201420078494.0U 2014-02-24 2014-02-24 Power truck frame of 100% low-floor tramcar Active CN203713895U (en)

Priority Applications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442883A (en) * 2014-12-05 2015-03-25 长春轨道客车股份有限公司 Unpowered bogie for 100-percent low-floor light rail vehicle
CN104442886A (en) * 2014-12-05 2015-03-25 长春轨道客车股份有限公司 Power bogie adopting traditional wheel sets for 100% low-floor light rail vehicle
CN106043343A (en) * 2016-06-13 2016-10-26 中车青岛四方机车车辆股份有限公司 Rail vehicle bogie horizontal beam disengagement preventing hanging device, installation method thereof and rail vehicle
CN106080647A (en) * 2016-08-19 2016-11-09 中车株洲电力机车有限公司 A kind of bogie frame, bogie and rail vehicle
CN106627644A (en) * 2016-12-21 2017-05-10 成都市新筑路桥机械股份有限公司 100% low-floor tramcar power truck frame
CN106740962A (en) * 2016-12-21 2017-05-31 成都市新筑路桥机械股份有限公司 A kind of 100% low-floor tramcar non-powered bogie frame
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
CN109178008A (en) * 2018-08-21 2019-01-11 中车青岛四方机车车辆股份有限公司 A kind of novel car body sleeper beam structure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442883A (en) * 2014-12-05 2015-03-25 长春轨道客车股份有限公司 Unpowered bogie for 100-percent low-floor light rail vehicle
CN104442886A (en) * 2014-12-05 2015-03-25 长春轨道客车股份有限公司 Power bogie adopting traditional wheel sets for 100% low-floor light rail vehicle
CN106043343A (en) * 2016-06-13 2016-10-26 中车青岛四方机车车辆股份有限公司 Rail vehicle bogie horizontal beam disengagement preventing hanging device, installation method thereof and rail vehicle
CN106080647A (en) * 2016-08-19 2016-11-09 中车株洲电力机车有限公司 A kind of bogie frame, bogie and rail vehicle
CN106080647B (en) * 2016-08-19 2018-04-03 中车株洲电力机车有限公司 A kind of bogie frame, bogie and rail vehicle
CN106627644A (en) * 2016-12-21 2017-05-10 成都市新筑路桥机械股份有限公司 100% low-floor tramcar power truck frame
CN106740962A (en) * 2016-12-21 2017-05-31 成都市新筑路桥机械股份有限公司 A kind of 100% low-floor tramcar non-powered bogie frame
CN106740962B (en) * 2016-12-21 2019-03-05 成都市新筑路桥机械股份有限公司 A kind of 100% low-floor tramcar non-powered bogie frame
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
CN109178008A (en) * 2018-08-21 2019-01-11 中车青岛四方机车车辆股份有限公司 A kind of novel car body sleeper beam structure

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory

Patentee after: CRRC TANGSHAN CO., LTD.

Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory

Patentee before: Tangshan Railway Carriage Co., Ltd.

C56 Change in the name or address of the patentee