CN104787072A - Low-floor railway vehicle chassis structure - Google Patents

Low-floor railway vehicle chassis structure Download PDF

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Publication number
CN104787072A
CN104787072A CN201510140644.5A CN201510140644A CN104787072A CN 104787072 A CN104787072 A CN 104787072A CN 201510140644 A CN201510140644 A CN 201510140644A CN 104787072 A CN104787072 A CN 104787072A
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CN
China
Prior art keywords
mounting plate
buffer beam
underframe
low
front mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510140644.5A
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Chinese (zh)
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CN104787072B (en
Inventor
牟晓莎
刘玉文
田爱琴
田洪雷
龚明
刘龙玺
梁建英
鲁青君
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CRRC Qingdao Sifang Co Ltd
Original Assignee
CSR Qingdao Sifang Locomotive and Rolling Stock Co Ltd
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Priority to CN201510140644.5A priority Critical patent/CN104787072B/en
Publication of CN104787072A publication Critical patent/CN104787072A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F1/00Underframes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F1/00Underframes
    • B61F1/08Details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a low-floor railway vehicle chassis structure which comprises a chassis and a lower hinge mounting seat. The lower hinge mounting seat is fixedly welded to one end of the chassis. The whole low-floor railway vehicle chassis structure is simple and reasonable, the lower hinge mounting seat is designed to be located in one end of the chassis, the end of the chassis is used for overall bearing, and peak force is avoided. When the lower hinge mounting seat is stressed too much, overall bearing of the whole end of the chassis can solve the problem that an independent lower hinge mounting seat is prone to cracking, the effect of improving the strength and rigidity of the lower hinge mounting seat of the hinging structure is achieved, and safe operation of a vehicle is effectively guaranteed.

Description

A kind of low-floor rail vehicle Undercarriage structure
Technical field
The present invention relates to a kind of low-floor rail vehicle, particularly a kind of low-floor rail vehicle Undercarriage structure, belong to guideway vehicle manufacturing technology field.
Background technology
In low floor vehicle runs, because floor level is lower, cannot install crash energy absorption equipment between vehicle and vehicle, only adopt linkwork to connect, linkwork plays carrying and the double action be connected.Under the linkwork of workshop, hinge bears longitudinal, the transverse direction and vertical force that produce in vehicle operation, and above-mentioned power is delivered to another joint compartment by mount pad.Vehicle is when too small curve, and because linkwork is stressed comparatively large, and without buffering energy-absorbing, power is directly delivered to linkwork mount pad, causes linkwork mount pad stressed excessive.If the design of car body hinged mount pad is unreasonable, car body end and articulated mounting mount pad may be caused to crack until destroy.
At present, what the lower hinge mount pad of domestic and international linkwork generally adopted is be welded on buffer beam, mount pad stressed larger time, mount pad and buffer beam place, even all easily there is crackle in headwall position.
Summary of the invention
Main purpose of the present invention is to solve the problem and deficiency, is hinged the strength and stiffness of structure, to ensure the low-floor rail vehicle Undercarriage structure that vehicle safety runs under providing a kind of can enhancing.
For achieving the above object, technical scheme of the present invention is:
A kind of low-floor rail vehicle Undercarriage structure, comprise underframe and lower hinge mount pad, described lower hinge mount pad is fixedly connected with the welding edges of described underframe.
Further, described lower hinge mount pad comprises buffer beam, front mounting plate and upper mounting plate, described buffer beam, front mounting plate and upper mounting plate welding formation box type construction, described buffer beam is weldingly fixed on the end of underframe, described upper mounting plate is horizontally disposed with and is fixedly connected with described front mounting plate, buffer beam and welding of underframe, and described front mounting plate is provided with multiple mounting hole.
Further, described buffer beam is two, be arranged on the cross rail outer that is positioned at underframe end and be symmetrical arranged along overall width direction, one end of described buffer beam is weldingly fixed on crossbeam, the other end of described buffer beam is weldingly fixed on edge beam of underframe or headwall column, described front mounting plate is weldingly fixed on the centre of two described buffer beams and its two ends are weldingly fixed on two described buffer beams respectively, and the beam welding of described upper mounting plate and described front mounting plate, two buffer beams and underframe end is fixedly connected to form box type construction.
Further, two ends and two described buffer beams of described front mounting plate respectively grafting be welded and fixed and be connected.
Further, arrange multiple first longeron between described buffer beam and crossbeam, one end and the described buffer beam of described first longeron are welded and fixed, and the other end and beam welding are fixed, and upper surface and the described upper mounting plate of described first longeron are welded and fixed.
Further, described buffer beam is welded to form by the multistage splicing of bending.
Further, described buffer beam is one and is set in parallel in the outside of underframe end crossbeam, the two ends of described buffer beam are weldingly fixed on edge beam of underframe or headwall column, described front mounting plate is vertically installed in lower hinge mount pad foremost, described front mounting plate, upper mounting plate, buffer beam splice to weld and form box type construction together with a lower installation board, and described upper mounting plate extends to crossbeam direction and is fixedly connected with described beam welding.
Further, be connected and fixed by multiple tie-beam between described buffer beam and the crossbeam of underframe end.
Further, in the box type construction that described buffer beam, front mounting plate, upper mounting plate and lower installation board surround, arrange multiple gusset for reinforcement, described gusset and described buffer beam, front mounting plate, upper mounting plate and lower installation board are welded and fixed.
Further, a described gusset is set between every two described mounting holes, equidistantly be arranged in parallel between multiple described gusset.
To sum up content, a kind of low-floor rail vehicle Undercarriage structure of the present invention, integral structure advantages of simple, is designed into lower hinge mount pad in the underframe of end, utilizes end underframe integrated carrying, avoid producing peak force, lower hinge mount pad stressed excessive time, can whole end underframe integrated carrying be passed through, overcome the problem that crackle easily appears in independent lower hinge mount pad, and then under reaching enhancing articulated structure, cut with scissors the effect of mount pad strength and stiffness, and then effectively ensure that vehicle safety runs.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the A direction view of Fig. 1;
Fig. 4 is the embodiment of the present invention two structural representation;
Fig. 5 is the B-B cutaway view of Fig. 4;
Fig. 6 is the B direction view of Fig. 4.
As shown in Figures 1 to 6, crossbeam 1, front mounting plate 2, upper mounting plate 3, lower installation board 4, buffer beam 5, longeron 6, cant beam 7, gusset 8, mounting hole 9, auxiliary hole 10.
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:
The invention provides a kind of Undercarriage structure of low-floor rail vehicle, at the end winding support of underframe, lower hinge mount pad is installed.Wherein, the end of underframe comprises edge beam of underframe (not shown) and is positioned at the crossbeam 1 of underframe outermost end, and the two ends of crossbeam 1 are weldingly fixed on edge beam of underframe.
Embodiment one:
As shown in Figure 1 to Figure 3, in the present embodiment, lower hinge mount pad comprises two buffer beams, 5, front mounting plate 2 and a upper mounting plate 3, front mounting plate 2 is the parts be connected with articulated structure, front mounting plate 2 is provided with multiple mounting hole 9, the mode of the mode that articulated structure is bolted or riveted joint is fixed on front mounting plate 2, and articulated structure comprises hinged disk etc.In order to improve the overall construction intensity of lower hinge mount pad, the mode be welded to connect between each parts, is preferably adopted to fix.
Wherein, two buffer beams 5 are arranged on the outside of crossbeam 1, and are symmetrical arranged along overall width direction, and in the present embodiment, buffer beam 5 preferably adopts bending beam, and buffer beam 5 is welded to form by three sections of splicings of bending, to ensure bulk strength and the rigidity of buffer beam 5.One end of buffer beam 5 is weldingly fixed on crossbeam 1, the other end of buffer beam 5 can adopt the structure that is weldingly fixed on edge beam of underframe or employing to be welded on structure on headwall column according to conditions such as actual installation structure and installing spaces, in the present embodiment, buffer beam 5 adopts the structure be welded on headwall column, and the other end is weldingly fixed on crossbeam 1.
Front mounting plate 2 is arranged on the centre of two buffer beams 5, its two ends are fixed on buffer beam 5, the installation site of front mounting plate 2 suitably can regulate according to the size of articulated structure, as following distance be 1 meter adopt again large articulated structure time, front mounting plate 2 is arranged on the position by inner i.e. close crossbeam 1, meets the installation requirements of articulated structure.
In order to improve the intensity of whole lower hinge mount pad, multiple longeron 6 is set between buffer beam 5 and crossbeam 1 again, in the present embodiment, two longerons 6 are set between each buffer beam 5 and crossbeam 1 again, two longerons 6 be arranged in parallel, one end and the buffer beam 5 of longeron 6 are welded and fixed, and the other end and crossbeam 1 are welded and fixed.Because the height of front mount pad 2 is greater than the height of crossbeam 1, therefore, longeron 6 and buffer beam 5 one section of being fixedly connected with crossbeam 1 is the section of variable section, forms an approximate step-like transition structure in bottom.
Upper mounting plate 3 is horizontally set on the upper surface of buffer beam 5, front mounting plate 2 and longeron 6, its one end and buffer beam 5 are welded and fixed, the other end and crossbeam 1 are welded and fixed, be welded and fixed with the upper surface of front mounting plate and longeron 6 simultaneously and be connected, upper mounting plate 3 is important force transmission members, the installation of top run-through channel disk should be ensured, ensure again that the end of underframe forms general frame structure simultaneously, ensure the even transmission of power.Front mounting plate 2, upper mounting plate 3 and two buffer beams 5, crossbeams 1 weld and form box type construction, ensure the overall construction intensity of lower hinge mount pad.
In the present embodiment, the two ends of front mounting plate 2 adopt the mode of grafting welding to be fixedly connected with buffer beam 5, ensure Joint strenght.Longeron 6 adopts degree of lip-rounding beam, and three faces of inside and buffer beam 5 that the end of longeron 6 stretches to buffer beam 5 are welded to connect, and ensure Joint strenght.Above-mentioned connection structure can make front mounting plate 2, longeron 6 weld the rear structure forming entirety with buffer beam 5, even if ensure that mount pad lost efficacy under the effect of great power, articulated structure also can not be made to come off, prevent roll-over accident.
For ensureing the installation strength of articulated structure, front mounting plate 2 is formed by plate iron overall processing, is provided with multiple mounting hole 9 for installing articulated structure at its facade.The attachment face of front mounting plate 2 carries out overall processing again after end underframe assembly welding completes, to ensure the setting accuracy requirement with articulated structure.
In this implementation column, upper mounting plate 3 welds with crossbeam 1 after welding with buffer beam 5 again, and after end underframe assembly welding completes overall processing upper mounting plate 3 again, to ensure run-through channel disk setting accuracy.
Embodiment two:
As shown in Figures 4 to 6, be with embodiment one difference, in the present embodiment, buffer beam 5 is one, is set in parallel in the outside of crossbeam 1, in the present embodiment with crossbeam 1, buffer beam 5 preferably adopts bending beam, to ensure bulk strength and the rigidity of buffer beam 5, the two ends of buffer beam 5 are weldingly fixed on edge beam of underframe or headwall column, are preferably weldingly fixed on edge beam of underframe by buffer beam 5 in the present embodiment.
Lower hinge mount pad also comprises one piece of lower installation board 4 except front mounting plate 2, upper mounting plate 3, front mounting plate 2 is vertically set on forefront, the parts be connected with articulated structure, front mounting plate 2 is provided with multiple mounting hole 9, the mode of the mode that articulated structure is bolted or riveted joint is fixed on front mounting plate 2, and articulated structure comprises hinged disk etc.In order to improve the overall construction intensity of lower hinge mount pad, the mode be welded to connect between each parts, is preferably adopted to fix.
Front mounting plate 2, upper mounting plate 3, lower installation board 4 are welded and fixed formation box type construction with buffer beam 5, wherein, upper mounting plate 3 extends to crossbeam 1 direction, and its end is welded and fixed with crossbeam 1 and is connected, ensure the structural strength of lower hinge mount pad, ensure the transmission of power.
In order to improve the intensity of whole lower hinge mount pad, between buffer beam 5 and crossbeam 1, multiple tie-beam is set again, in the present embodiment, the tie-beam arranged between buffer beam 5 with crossbeam 1 comprises four longerons 6 vertical with crossbeam 1 and two cant beams be obliquely installed 7, four longerons 6 be arranged in parallel, two cant beams 7 points are located at the both sides of four longerons 6, one end of longeron 6 and cant beam 7 is welded and fixed with buffer beam 5 and is connected, the other end is welded and fixed with crossbeam 1 and is connected, buffer beam 5, longeron 6, cant beam 7 are together with crossbeam 1 assembly welding, and further guarantee power can evenly be transmitted.Because the height of front mount pad 2 is greater than the height of crossbeam 1, therefore, longeron 6 and cant beam 7 one section of being fixedly connected with crossbeam 1 is the section of variable section, forms an approximate step-like transition structure in bottom.
Upper mounting plate 3 is horizontally set on the upper surface of buffer beam 5, front mounting plate 2 and longeron 6, its one end and front mounting plate 2 are welded and fixed, the other end and crossbeam 1 are welded and fixed, be welded and fixed with the upper surface of buffer beam 5 and the upper surface of longeron 6 simultaneously and be connected, upper mounting plate 3 is important force transmission members, is also the parts installed with run-through channel disk simultaneously, should ensures the installation of top run-through channel disk, ensure again that the end of underframe forms general frame structure, guarantee power can evenly be transmitted simultaneously.
In the box type construction that buffer beam 5, front mounting plate 2, upper mounting plate 3 and lower installation board 4 surround, be also provided with multiple gusset 8 for reinforcement, gusset 8 and buffer beam 5, front mounting plate 2, upper mounting plate 3 and lower installation board 4 are welded and fixed.Between every two mounting holes 9 on front mounting plate 2, correspondence arranges a gusset 8, equidistantly be arranged in parallel between multiple gusset 8, ensures to be box type construction around each mounting hole 9, improves the structural strength of lower hinge mount pad further.The end of gusset 8 is inserted into the inside of buffer beam 5, is welded and fixed with buffer beam 5, further to improve the structural strength of lower hinge mount pad.Lower installation board 4 is provided with multiple auxiliary hole 10 to multiple mounting hole 9, the fasteners such as the convenient bolt that installation connects when installing articulated structure.
One end of gusset 8 adopts the mode of grafting welding to be fixedly connected with buffer beam 5, and the other end and front mounting plate 2 are welded to connect, and ensure Joint strenght.Longeron 6 and cant beam 7 adopt degree of lip-rounding beam, and three faces of inside and buffer beam 5 that the end of longeron 6 and cant beam 7 stretches to buffer beam 5 are welded to connect, and ensure Joint strenght.Above-mentioned connection structure can make front mounting plate 2, upper mounting plate 3, lower installation board 4, longeron 6, cant beam 7 form integral structure after welding with buffer beam 5, even if ensure that mount pad lost efficacy under the effect of great power, also articulated structure can not be made to come off, prevent roll-over accident.
For ensureing the installation strength of articulated structure, front mounting plate 2 is formed by plate iron overall processing, installs articulated structure at its facade.The attachment face of front mounting plate 2 carries out overall processing again after end underframe assembly welding completes, to ensure the setting accuracy requirement with articulated structure.
In this implementation column, upper mounting plate 3 welds with crossbeam 1 after welding with buffer beam 5 again, and after end underframe assembly welding completes overall processing upper mounting plate 3 again, to ensure run-through channel disk setting accuracy.
Lower hinge mount pad is designed into the structure that in the underframe of end, formation one is overall by the present invention, eliminate the structures such as draw beam of the prior art, integral structure advantages of simple, lightweight, meet the requirement of vehicle weight-saving, and utilize the underframe integrated carrying longitudinal direction that articulated structure transmits in vehicle operation, transverse direction and vertical force, avoid producing peak force, lower hinge mount pad stressed excessive time, whole end underframe integrated carrying can be passed through, overcome the problem that crackle easily appears in lower hinge mount pad independent in prior art, and then reach the effect strengthening lower hinge mount pad strength and stiffness.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.

Claims (10)

1. a low-floor rail vehicle Undercarriage structure, comprises underframe and lower hinge mount pad, it is characterized in that: described lower hinge mount pad is fixedly connected with the welding edges of described underframe.
2. a kind of low-floor rail vehicle Undercarriage structure according to claim 1, it is characterized in that: described lower hinge mount pad comprises buffer beam, front mounting plate and upper mounting plate, described buffer beam, front mounting plate and upper mounting plate welding formation box type construction, described buffer beam is weldingly fixed on the end of underframe, described upper mounting plate is horizontally disposed with and is fixedly connected with described front mounting plate, buffer beam and welding of underframe, and described front mounting plate is provided with multiple mounting hole.
3. a kind of low-floor rail vehicle Undercarriage structure according to claim 2, it is characterized in that: described buffer beam is two, be arranged on the cross rail outer that is positioned at underframe end and be symmetrical arranged along overall width direction, one end of described buffer beam is weldingly fixed on crossbeam, the other end of described buffer beam is weldingly fixed on edge beam of underframe or headwall column, described front mounting plate is weldingly fixed on the centre of two described buffer beams and its two ends are weldingly fixed on two described buffer beams respectively, described upper mounting plate and described front mounting plate, the beam welding of two buffer beams and underframe end is fixedly connected to form box type construction.
4. a kind of low-floor rail vehicle Undercarriage structure according to claim 3, is characterized in that: the two ends of described front mounting plate and two described buffer beams respectively grafting are welded and fixed and are connected.
5. a kind of low-floor rail vehicle Undercarriage structure according to claim 3, it is characterized in that: multiple first longeron is set between described buffer beam and crossbeam, one end and the described buffer beam of described first longeron are welded and fixed, the other end and beam welding are fixed, and upper surface and the described upper mounting plate of described first longeron are welded and fixed.
6. a kind of low-floor rail vehicle Undercarriage structure according to claim 3, is characterized in that: described buffer beam is welded to form by the multistage splicing of bending.
7. a kind of low-floor rail vehicle Undercarriage structure according to claim 1, it is characterized in that: described buffer beam is one and is set in parallel in the outside of underframe end crossbeam, the two ends of described buffer beam are weldingly fixed on edge beam of underframe or headwall column, described front mounting plate is vertically installed in lower hinge mount pad foremost, described front mounting plate, upper mounting plate, buffer beam splice to weld and form box type construction together with a lower installation board, and described upper mounting plate extends to crossbeam direction and is fixedly connected with described beam welding.
8. a kind of low-floor rail vehicle Undercarriage structure according to claim 7, be is characterized in that: be connected and fixed by multiple tie-beam between described buffer beam and the crossbeam of underframe end.
9. a kind of low-floor rail vehicle Undercarriage structure according to claim 7, it is characterized in that: in the box type construction that described buffer beam, front mounting plate, upper mounting plate and lower installation board surround, arrange multiple gusset for reinforcement, described gusset and described buffer beam, front mounting plate, upper mounting plate and lower installation board are welded and fixed.
10. a kind of low-floor rail vehicle Undercarriage structure according to claim 9, is characterized in that: between every two described mounting holes, arrange a described gusset, equidistantly be arranged in parallel between multiple described gusset.
CN201510140644.5A 2015-03-27 2015-03-27 Low-floor railway vehicle chassis structure Active CN104787072B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105151065A (en) * 2015-08-21 2015-12-16 广州电力机车有限公司 Method for driving trailer bogie based on low-floor trailer body
CN110091883A (en) * 2019-05-23 2019-08-06 西南交通大学 A kind of high temperature superconductor magnetic levitation vehicle vehicle body
CN110733523A (en) * 2019-10-25 2020-01-31 中铁轨道交通装备有限公司 end beam and lower hinged mounting base structure of low-floor tramcar floating car
WO2020134001A1 (en) * 2018-12-25 2020-07-02 中车唐山机车车辆有限公司 Double-layer rail vehicle and underframe thereof
CN113682336A (en) * 2021-08-17 2021-11-23 中车青岛四方机车车辆股份有限公司 Vehicle hinge device, vehicle chassis and vehicle

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RU201675U1 (en) * 2020-04-23 2020-12-28 Акционерное общество «Рузаевский завод химического машиностроения» (АО "Рузхиммаш") WAGON-TANK

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CN104057969A (en) * 2014-06-27 2014-09-24 成都市新筑路桥机械股份有限公司 100 percent modern urban streetcar floating car body chassis
CN203920747U (en) * 2014-06-27 2014-11-05 成都市新筑路桥机械股份有限公司 Hinged mount pad under a kind of 100% modern city tramway train
CN204750179U (en) * 2015-03-27 2015-11-11 南车青岛四方机车车辆股份有限公司 Low -floor rail vehicle chassis structure

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EP0669483A1 (en) * 1994-02-23 1995-08-30 A.N.F. Industrie Energy absorber for rail vehicle
EP0888946A1 (en) * 1997-07-02 1999-01-07 De Dietrich Ferroviaire Railway vehicle with at least one interchangeable end module
JP2001088698A (en) * 1999-09-21 2001-04-03 Kawasaki Heavy Ind Ltd Energy absorption structure for vehicle
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN105151065A (en) * 2015-08-21 2015-12-16 广州电力机车有限公司 Method for driving trailer bogie based on low-floor trailer body
WO2020134001A1 (en) * 2018-12-25 2020-07-02 中车唐山机车车辆有限公司 Double-layer rail vehicle and underframe thereof
CN110091883A (en) * 2019-05-23 2019-08-06 西南交通大学 A kind of high temperature superconductor magnetic levitation vehicle vehicle body
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CN110733523A (en) * 2019-10-25 2020-01-31 中铁轨道交通装备有限公司 end beam and lower hinged mounting base structure of low-floor tramcar floating car
CN113682336A (en) * 2021-08-17 2021-11-23 中车青岛四方机车车辆股份有限公司 Vehicle hinge device, vehicle chassis and vehicle

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