CN106240587B - A kind of rail vehicle vehicle head structure - Google Patents
A kind of rail vehicle vehicle head structure Download PDFInfo
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- CN106240587B CN106240587B CN201610771803.6A CN201610771803A CN106240587B CN 106240587 B CN106240587 B CN 106240587B CN 201610771803 A CN201610771803 A CN 201610771803A CN 106240587 B CN106240587 B CN 106240587B
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- cab
- drivers
- anticreeper
- rail vehicle
- collision
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/06—Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL 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
- B61F1/00—Underframes
- B61F1/08—Details
- B61F1/10—End constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G11/00—Buffers
- B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of rail vehicle vehicle head structures.The rail vehicle vehicle head structure includes car body main structure, headstock anti-collision structure and anticreeper, and headstock is divided into safety zone, secondary deformed area and the Main Deformation that longitudinal loading intensity is successively decreased in gradient according to the longitudinal direction of rail vehicle；Wherein the safety zone is car body main structure comprising guest room region and driver's chair region；The secondary deformed area is drivers' cab front door to region between anticreeper mounting plate comprising headstock anti-collision structure and anticreeper mounting structure；The primary deformable region includes the drivers' cab floor and anticreeper before anticreeper mounting plate；It is equipped with level-one stop configurations between the secondary deformed area and Main Deformation, second level stop configurations are equipped between safety zone and secondary deformed area.The present invention deforms car body in controllable, orderly mode and absorbs energy, and it is good to obtain security performance.
Description
Technical field
The present invention relates to a kind of rail vehicle vehicle head structure more particularly to a kind of vehicles with good collision safety performance
Vehicle head structure belongs to rail traffic vehicles body construction field.
Background technique
The energy absorbing components such as coupler draft gear of railcar are only able to satisfy two trains in relative velocity less than 20km/h at present
Shock, under higher speed, coupler system can fail or shear, and car body can contact and occur collision deformation, to passenger driver with
To injure.For the passive security performance for improving rail truck, the European Train anti-collision of European Union and International Railway Association shared
Hitting property project (SAFETRAIN), and costly cost carries out real object collision test, subjects deform in a controlled manner
Body end portion structure.Subsequent European Union pushes each member state to formulate unified crash standards by research projects such as SAFETRAIN,
" EN15227 railway applications-railroad car crashworthiness requirement " are one of its main achievements.The standard is to C-II class railway
The collision safety of vehicle (i.e. railcar) requires to be shock scene of the two column same unit trains in relative velocity up to 25km/h
In, deformed region range, the deceleration size of car body, related request need to be met by preventing from climbing vehicle etc., and front of the car can absorb
Enough Impact energies.How to design reasonable body construction and absorb more energy and can prevent from climbing vehicle and is urgently ground as the field
Study carefully and solves the problems, such as.
Railway transport of passengers train impact-resistant energy-absorbing is disclosed in the patent of invention application No. is CN02126784.7 of China
Car body, chassis structure of independent vehicle head seat disclosed in the utility model application No. is CN200920282833.6, application No. is
The patent of invention of CN201310434839.1 discloses a kind of railway vehicle cab endergonic structure, and application No. is
Monoblock type cab structure disclosed in the utility model of CN201320697051.5, these structures are all provided with one or more levels
Endergonic structure, but vehicle anti-creep requirement is had ignored, in train collision it is difficult to ensure that endergonic structure normally acts on, safety is difficult
To guarantee.
At " the city rail vehicle head vehicle bottom of " the impact resistance performance study of city rail vehicle " and the works such as Zhou Chuanyi written by Wang Huizi
The collapse energy-absorption Optimal Structure Designing of frame front end " disclosed in vehicle head structure be additionally arranged anticreeper on the basis of considering energy-absorbing, but it is anti-
Device is climbed to be integrated in vehicle body bottom frame structure.When anticreeper is had an effect, car body front end will impact wreckage, maintenance workload
It is bigger.
Chinese invention patent application CN201310505736.X, Chinese utility model patent CN201120420346.9, day
The head bassinet structure of this patent Publication No. JP2004268694A discloses the Modularized cab with anti-climbing energy-absorbing device, and
A kind of anticreeper of urban rail cab structure disclosed in Chinese invention patent CN201410000695.3 be it is detachable, still
These disclosed drivers' cab deformed areas are only limited in the front end of anticreeper mounting plate, and anticreeper mounting plate from car body front end away from
From shorter, energy deformed region very little, absorption finite energy.It is anti-that Chinese invention patent application CN201310072635.8 discloses band
The train front end composition for climbing energy absorption device, contains the coupler pocket of car body draw beam front end, car body draw beam front end is arranged in
Hitch mounting base, anti-climbing energy-absorbing device mounting base and anti-climbing energy-absorbing device are constituted, but the structure is mainly supported by chassis itself
Vertical load when anti-vehicle has been climbed causes Undercarriage structure excessively complicated, not from the point of view of entirety, that is, utilizes drivers' cab
Skeleton improves vertical bearing capacity.U.S. patent Nos US6561105B2 is disclosed above a kind of floor equipped with power-absorbing
Drivers' cab, occur two train collisions when, the power-absorbing will with anticreeper collective effect, but whether how its longitudinally be crushed
Intensity does not increase not above guest room safety zone intensity, therefore in longitudinal crush stroke, and the feelings that car body main structure intensity is constant
It is individually the absorption total amount that cannot effectively improve collision energy by greater number of power-absorbing is arranged, and on ground under condition
Setting power-absorbing can reduce the size of front window above plate, reduce driver's degree of affording a wide field of vision.
In addition, pressure of the cab structure of current domestic existing Type B city rail vehicle stainless steel car body for 300kN under front window
Contracting loading demands cannot substantially be met the requirements.The stainless steel as disclosed in Chinese utility model patent 201020677752.9
Iron drivers' cab body construction, the steel skeleton under window are mainly used to support glass reinforced plastic head-shield, and structure is weaker, in vehicle operation
Driver cannot be protected very well by the barrier impacts in front of train.Aluminium disclosed in Chinese utility model patent 201020107739.X
Alloy car body considers the operating condition, but realizes mainly by the structural strength of drivers' cab skeleton itself, before being not bound with chassis
End structure is comprehensive to consider, and front does not have enough deformation energy-absorbing areas, and safety is still insufficient.
Meanwhile car body static strength performance design is to pursue each section of car body to have sufficiently high intensity, and impact resistant
Performance design is that car body is required to deform under collision impact effect in orderly, controllable mode.The two itself has
Have certain paradox, how under the premise of meeting static strength performance the crash worthiness of reasonable design car body can be always rail
The difficult point of road vehicular field.
Summary of the invention
In order to overcome the above problem and deficiency, the present invention is intended to provide a kind of rail vehicle vehicle head structure, the vehicle head structure
By system optimization drivers' cab skeleton structure and chassis front-end architecture, make vehicle head structure that there is good integrated carrying performance, it is full
Requirement of the sufficient EN12663 standard for car body static strength, while improving the deformation energy absorption ability of car body and resisting jolt capacity,
It deforms car body in controllable, orderly mode and absorbs energy, obtain the good body construction of security performance.
To achieve the goals above, the technical scheme adopted by the invention is that:
A kind of rail vehicle vehicle head structure, is structurally characterized in that, including car body main structure, headstock anti-collision structure and anti-creep
Headstock is divided into safety zone, the secondary deformation that longitudinal loading intensity is successively decreased in gradient according to the longitudinal direction of rail vehicle by device
Area and Main Deformation；
Wherein the safety zone is car body main structure comprising guest room region and driver's chair region；The secondary deformation
Area is drivers' cab front door to region between anticreeper mounting plate comprising headstock anti-collision structure and anticreeper mounting structure；It is described
Primary deformable region includes the drivers' cab floor and anticreeper before anticreeper mounting plate；
The longitudinal strength of the secondary deformed area be less than safety zone longitudinal strength and when colliding, secondary deformed area
It is first plastically deformed than safety zone；Level-one stop configurations, safety zone are equipped between the secondary deformed area and Main Deformation
Second level stop configurations, the level-one stop configurations and second level stop configurations are equipped between secondary deformed area for obstructing front region
Deformation influence rear area.
Rail vehicle headstock is divided into the secondary deformed area-primary deformable in safety zone-according to longitudinal direction by the present invention as a result,
Area, wherein safety zone includes guest room region and driver's chair region, and secondary deformed area is drivers' cab front door to anticreeper mounting plate
Between region；Primary deformable region include anticreeper mounting plate before floor and anticreeper itself.The design object of structure is:
The deformation energy-absorbing of Main Deformation is able to satisfy the energy-absorbing requirement of the collision of 25km/h as defined in EN15227 standard and " in living space
Average longitudinal deceleration is not more than the requirement of 5g "；Secondary deformed area is mainly when car body is with 25km/h or more speed impacts, absorption portion
Divide energy, protects car body main structure as far as possible by the smallest injury.
The cross section of the elongated beam of carbody canopy, chassis of safety zone is sufficiently strong, and by beam, cylindricality, circlewise structure makes vehicle
Body has good load-carrying properties, is able to satisfy huge longitudinal compression load for car body and resists 25km/h speed train and hits
The offer basis of power.
Secondary deformed area mainly includes anti-collision structure and anticreeper mounting structure, utilizes anticreeper mounting structure below floor
Inside fagging take root, anti-collision structure is set in floor, the impact of train front obstacle, i.e. hydrostatic compressive pressure can be resisted
300kN；Weaken the longitudinal rigidity of its anticreeper mounting structure by aperture on the supporting plate, above drivers' cab window pillar
Weld strength it is lower than strength of parent, and weaken the longitudinal strength above secondary deformed area in junction aperture, colliding it
The main structure than safety zone is first plastically deformed in the process, protects the safety of car body main structure.
Main Deformation includes drivers' cab ground front edge of board and anticreeper, opens one by the drivers' cab floor in front of anti-collision upright post
The slot of depthkeeping degree, it is ensured that in the anticreeper energy-absorbing course of work, floor occurs uncontrollable deformation and is induced to secondary deformed region
Floor ensue buckling buckling deformation；The probability for increasing and contacting with each other when collision is locally thickeied in ground front edge of board simultaneously, is subtracted
When few train has been climbed within 40mm front edge of board not in contact with and generation the phenomenon that invade secondary deformed region, further increase vehicle
Collision safety performance.
Between secondary deformed area and Main Deformation, it is provided with stop configurations between secondary deformed area and safety zone, uses
Rear area structure is influenced in the deformation of barrier front region.Backstopping assembly carries out cyclization with beam, the column on car body cross section and sets
Meter, improves train anti-creep and energy absorption ability on the basis of enhancing car body integrated carrying.
According to an embodiment of the invention, can also make further optimization to the present invention, the following are the skills formed after optimization
Art scheme:
The floor trough being provided on the drivers' cab floor in front of the anti-collision upright post of drivers' cab, and in anticreeper mounting plate
It is equipped on drivers' cab floor before and thickens plate.
The car body cross section of the safety zone can at least bear the longitudinal loading of 1500kN；Secondary deformed area longitudinal loading is set
Evaluation is 1200-1400kN, conquassation deformation at least energy-absorbing 0.6MJ；The anticreeper crushing force of Main Deformation is 900kN-
1200kN, conquassation deformation at least energy-absorbing 0.4MJ；It is preferred that the length of the secondary deformed area is not less than 500mm, the primary deformable
The stroke in area is not less than 400mm.
The car body main structure includes carbody canopy, side wall, frame on chassis and drivers' cab；The carbody canopy and side wall
Between top side attachment beam extend to cab door column front end, and the top side attachment beam is covered on the door upper beam of drivers' cab
And be connected as one with side wall, the four cab door columns and carbody canopy of side wall are connected into one by frame on the drivers' cab
Body, and monocoque structure is constituted with the chassis of car body；It is preferred that the top side attachment beam is L-shaped；It is preferred that the door upper beam
For c-type structure, this upper beam has been internally embedded connection column, and fixed promising installation cab door mentions below this upper beam
For the doorframe bound edge of attachment surface；It is preferred that the doorframe bound edge connection two root driver room door pillars of front and back and door upper beam.
Multiple fabrication holes for connecting with outer skin are provided on the inside of the cab door column；It is preferred that the driver
The cross-section lengths size of room door pillar is at least 120mm, more preferably at least 180mm.
It is provided with the mounting hole for being packed into handrail nesting on the outside of the cab door column, and handrail nesting and mounting hole
Upper and lower side is fixedly linked and forms cavity structure.
The car roof side-beam of the carbody canopy and the junction of head-shield are at the rigidity mutation of car body, and the door upper beam exists
The connection column is set at the rigidity mutation.
The second level stop configurations include the traction crossbeam being arranged on the chassis of car body, hitch mounting base and the hitch wing
Plate, for obstructing the collision impact for being located at headstock anti-collision structure lower part anticreeper mounting structure；The second level stop configurations and department
Frame forms cyclic structure on the cross section perpendicular to vehicle body longitudinal direction on machine room door pillar, drivers' cab.
The elongated side bar in left and right two of the left and right ends connection chassis of the traction crossbeam, and the traction crossbeam and top
The alignment of cab door column；The rear of the hitch mounting base is equipped with and leads slow structure；The left and right ends and bottom of the hitch wing plate
The two elongated side bars and hitch mounting base of frame are connected, and the hitch wing plate and the traction crossbeam stationary phase being positioned above
Even.
The headstock anti-collision structure mainly by drivers' cab window pillar, anti-collision wall, drivers' cab floor, thicken plate and anticreeper
Mounting structure is formed by fixedly connecting；The anti-collision wall is located above drivers' cab floor, and the two sides of anti-collision wall respectively with drivers' cab
Window pillar is connected, the front end for thickening plate and being located at drivers' cab floor；It is preferred that the thickness for thickening plate and drivers' cab floor it
At least 40mm.
The anti-collision wall includes anti-collision beam, anti-collision upright post and anticollision diagonal brace；The anticollision diagonal brace and anticreeper installation are tied
The supporting plate transverse direction of structure is aligned setting；The anti-collision beam, anti-collision upright post and anticollision diagonal brace are fixedly linked and form closing
Cavity structure.
Drivers' cab window pillar upper end is fixedly linked with frame on the drivers' cab of car body main structure；It is preferred that in driver's room window
Column is equipped with column and weakens hole.
The headstock anti-collision structure is directly welded at the front end of car body main structure, or in car body main structure and headstock anticollision knot
Connecting hole is arranged in the joint face of structure, and is connected by fastener.
The anticreeper mounting structure includes anticreeper mounting plate, transition beam, cover board, tilt prop and supporting plate；The mistake
Bridging beam, cover board, tilt prop, supporting plate are mainly used for supporting huge longitudinal impact force when anticreeper movement；It is preferred that the transition
The decrease hole of induced distortion is provided on beam, cover board, tilt prop and supporting plate.
The level-one stop configurations and anti-collision wall are located on same cross section, and the rear end of the level-one stop configurations, which is equipped with, to be provided
The drivers' cab window pillar and supporting plate of support force；It, should be every it is preferred that be provided with the partition grooves at anti-collision wall on drivers' cab floor
Fault trough is used to obstruct the transmitting of drivers' cab floor deformation；It is preferred that the weld strength above the drivers' cab window pillar compares strength of parent
It is low, and longitudinal strength is weakened in junction aperture.
The level-one stop configurations include the anticreeper mounting plate being arranged on chassis and are aligned cloth with anticreeper mounting plate
The front end needle beam set；It is preferred that the floor trough in front of the anti-collision upright post of drivers' cab is provided on the drivers' cab floor, it is described
Front end needle beam is located at the rear of floor trough.
The anticreeper is detachable energy-absorbing anti-creeper；It is preferred that the anticreeper passes through drivers' cab window pillar and car body
The top of main structure is formed together the Path of Force Transfer in vertical direction；It is preferred that the anticreeper is crushing type anticreeper, planing pattern is anti-
Climb device or aluminum honeycomb formula anticreeper.
By above structure, vehicle head structure of the invention is divided into safety zone, secondary deformed area and Main Deformation.Safety zone
Car body cross section can at least bear the longitudinal loading of 1500kN, meet the vehicle end that British standard GM/RT2100 is required and absorb 1MJ
Energy.
Safety zone is car body main structure, including guest room and driver's chair region, and primary structure is by carbody canopy, side wall, bottom
Frame passenger area and drivers' cab upper ledge frame are constituted.By the way that top side attachment beam is extended to cab door column front end and is covered on department
The door upper beam of machine room, using frame on drivers' cab is by four cab door columns of side wall and top cover links into an integrated entity and bottom
Frame constitutes monocoque structure, and car body cross section can at least bear the longitudinal loading of 1500kN.Traction crossbeam, vehicle on chassis
Hook mounting base and hitch wing plate constitute the second level stop configurations of collision, together with frame on cab door column, drivers' cab
Car body forms cyclic structure on cross section, when by impact force can more uniformly stress, improve Collision-free deformation
Ability.
Secondary deformed area is headstock anti-collision structure, mainly by drivers' cab window pillar, anti-collision wall, drivers' cab floor fluting rear end
Partially, plate is thickened, front end needle beam and anticreeper mounting structure are welded.Anti-collision wall is located above drivers' cab floor, two sides
It is connected with drivers' cab window pillar, is welded by anti-collision beam, anti-collision upright post, anticollision diagonal brace, beam is deformed steel, is closed chamber
Type structure can resist the barrier impact of 300kN.
Anticreeper mounting structure is made of anticreeper mounting plate, transition beam, cover board, tilt prop, supporting plate, anticreeper installation
Plate can be customized according to the installation interface of anticreeper, and transition beam, cover board, tilt prop, supporting plate are mainly used for supporting anticreeper movement
When huge longitudinal impact force, can need to reduce weak hole according to crushing strength with induced distortion.Anticreeper mounting plate on chassis,
Front end needle beam is the level-one stop configurations of collision, is located on same cross section with anti-collision wall, and rear end is vertical equipped with driver's room window
Column, anticreeper supporting plate provide support force, and drivers' cab floor is slotted at anti-collision wall, for obstructing the transmitting of floor deformation.
Weld strength above drivers' cab window pillar is lower than strength of parent, and weakens longitudinal strength in junction aperture, is compressing it
It is cut before the cap region deformation of rear end in the process, protects the safety of car body main structure.
Main Deformation includes drivers' cab floor fluting front end portion, thickens plate, anticreeper composition.Thicken the thickness of plate with
The sum of big thickness in drivers' cab floor is 40mm or more.Anticreeper is detachable mounting means, convenient after colliding
Replacement.
Compared with prior art, it the beneficial effects of the present invention are: vehicle head structure integrated carrying performance of the present invention is good, effectively presses
Stroke of bursting is long, can absorb a large amount of collision energy and protect car body main structure not damaged, and has anti-collision structure protection driver to exist
The invasion that foreign object is resisted in vehicle operation is hit, and has excellent crashworthiness；Structure is simpler, easy module metaplasia
It produces；Mountable embedded handrail on the basis of all-welded structure has practicability and beauty.
The present invention is able to satisfy the requirement of EN15227 and British standard GM/RT2100 for collision, while meeting EN12663
The drivers' cab of standard protects working condition requirement, solves the intrinsic problem of steel construction car body, meets most vehicle fortune both at home and abroad
The demand done business to car body technical conditions, versatile, with good economic efficiency and social benefit.
Detailed description of the invention
Fig. 1 is the structure principle chart of one embodiment of the invention；
Fig. 2 is vehicle head structure front view of the present invention；
Fig. 3 is the bottom view of Fig. 2；
Fig. 4 is the A-A cross-sectional view in Fig. 2；
Fig. 5 is the B-B cross-sectional view in Fig. 3；
Fig. 6 is the C-C cross-sectional view in Fig. 2；
Fig. 7 is the D-D cross-sectional view in Fig. 2；
Fig. 8 is the further improved schematic diagram of Fig. 7.
In figure:
1- car body main structure, 11- carbody canopy, the top side 111- attachment beam, 112- car roof side-beam, 12- side wall, 121- driver
Room door pillar, 122- connection column, 123- upper beams, 124- doorframe bound edge, 125- handrail is nested, 13- chassis, 131- traction
Crossbeam, 132- hitch mounting base, 133- hitch wing plate, frame on 14- drivers' cab, 2- headstock anti-collision structure, 21- driver's room window are vertical
Column, 21a- column weaken hole, 22- anti-collision wall, 221- anti-collision beam, 222- anti-collision upright post, 223- anticollision diagonal brace, 23- drivers' cab
Floor, 23a- floor trough, 24- thicken plate, 25- anticreeper mounting structure, 251- anticreeper mounting plate, 252- transition beam, 253-
Cover board, 254- tilt prop, 255- supporting plate, the front end 26- needle beam, 3- anticreeper.
Specific embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the present invention be can be combined with each other.For sake of convenience, hereinafter as occurred
"upper", "lower", "left", "right" printed words only indicate consistent with the upper and lower, left and right direction of attached drawing itself, do not play limit to structure
It is set for using.
A kind of rail vehicle headstock steel construction, if Fig. 1 shows, hitch steel construction is mainly by car body main structure 1, headstock anticollision knot
Structure 2 and anticreeper 3 are constituted, and longitudinal loading intensity is successively decreased in gradient, are corresponding in turn to safety zone, as the more difficult of secondary deformed area
Deformed area and easily-deformable area as Main Deformation.The structure in these three regions designs while meeting static strength performance and power
The requirement of strength character collision performance is learned, i.e., safety zone car body can at least bear the longitudinal loading of 1500kN, it is more difficult to which deformed area is longitudinal
Load design value is 1200-1400kN, and the anticreeper longitudinal loading design value in easily-deformable area is 1100kN；Meanwhile easily-deformable area
The energy-absorbing requirement for meeting the collision of 25km/h as defined in EN15227 standard and " in living space average longitudinal deceleration no more than 5g "
Requirement；It mainly can absorb portion of energy when car body is with 25km/h or more speed impacts compared with stagnant zone, protects the main knot of car body
Structure is as far as possible by the smallest injury.
Car body main structure 1, including guest room and driver's chair region, mainly by carbody canopy 11, side wall 12, chassis 13 and department
Frame 14 forms on machine room.Top side attachment beam 111 extends to 121 front end of cab door column and is connected as one with side wall 12, department
Frame 14 links into an integrated entity the four root driver room door pillars 121 and top cover of side wall 12 on machine room, and constitutes with chassis 13 whole
Body bearing structure.Traction crossbeam 131, hitch mounting base 132 and hitch wing plate 133 on chassis 13 constitute second level and collide backstop knot
Structure, obstruct 2 lower part anticreeper mounting structure 25 of headstock anti-collision structure collision impact, while with cab door column 121, department
Frame 14 forms cyclic structure on machine room.By the way that the cross section of elongated structural beams in carbody canopy 11,13 component of chassis is set
Meter makes car body main structure 1 have good load-carrying properties enough to strong, while using cyclic structure, is able to satisfy for car body huge
Longitudinal compression load and the offer basis for resisting 25km/h speed train impact force.
Headstock anti-collision structure 2 mainly by drivers' cab window pillar 21, anti-collision wall 22, drivers' cab floor 23, thicken plate 24, and it is anti-
Device mounting structure 25 is climbed to be welded.Anti-collision wall 22 is located above drivers' cab floor, and two sides are connected with drivers' cab window pillar 21, by
Anti-collision beam 221, anti-collision upright post 222, anticollision diagonal brace 223 are welded, these beams are integrally formed deformed steel, wall thickness 4-
8mm can resist the barrier impact of 300kN, the material of deformed steel using its closed cavity structure and no-welding-seam weak area
Ductility is larger, generally 304 stainless steels.Headstock anti-collision structure 2 can be directly welded at the front end of car body main structure 1, can also be
Connecting hole is arranged in the joint face of car body main structure 1 and headstock anti-collision structure 2, passes through bolt or rivet interlacement.Positioned at drivers' cab
23 front end of plate thickens the sum of the thickness on plate 24 and drivers' cab floor 23 as 40mm or more, when can reduce train and having climbed within 40mm
Ground front edge of board not in contact with and invade and occur compared with the phenomenon that stagnant zone domain, improve vehicle collision security performance.
Anticreeper 3 is detachable energy-absorbing anti-creeper, is bolted on headstock anti-collision structure 2.Anticreeper 3 can
To be crushing type, it is also possible to planing pattern, aluminum honeycomb formula etc..
Fig. 2 and Fig. 3 is the front view and bottom view of headstock steel construction respectively.Headstock steel construction is set according to longitudinal strength grade
3 regions are set, car body main structure 1 is in safety zone；Headstock anti-collision structure 2 is mainly in compared with stagnant zone；Anticreeper 3 and position
In the front end floor trough 23a drivers' cab floor 23, thicken plate 24 and belong to easily-deformable area.Wherein the length L1 in easily-deformable area is unsuitable small
In 400mm, the anticreeper crushing force that is averaged is set as 1100kN or so, it is more difficult to which the length L2 of deformed area is not less than 500mm, longitudinal to press
The contracting density of load is 1200-1400kN, and easily-deformable area and total energy absorption compared with stagnant zone are not less than 1MJ.
Car body main structure 1 is influenced too early for enormous impact force in barrier collision process, is stopped thereunder provided with second level
Structure is kept off, is mainly made of the traction crossbeam 131, hitch mounting base 132, hitch wing plate 133 that are located at same section, traction crossbeam
The 131 two elongated side bars of foundation frame of connection left and right, are aligned with the cab door column 121 of top, are the ring of 1 front end of car body main structure
Shape structure important component.132 rear of hitch mounting base have it is high-strength lead slow structural support, can bear hitch 1200kN's
Longitudinal loading.Hitch wing plate 133 is bending part, itself has preferable rigidity, left and right ends and the elongated side bar of chassis and vehicle
Hook mounting base 132 is connected, and top is welded and fixed with traction crossbeam 131, and the stop configurations that this three is constituted are highly resistant to front end
The longitudinal loading that anticreeper mounting structure 25 passes over, protection car body main structure safety.
The anticreeper mounting structure 25 of 2 lower section of headstock anti-collision structure is mainly used for assembling rail clamps 3, anticreeper mounting structure
25 are made of anticreeper mounting plate 251, transition beam 252, cover board 253, tilt prop 254 and supporting plate 255, anticreeper mounting plate
251 provide the mounting plane of anticreeper 3, and transition beam 252, cover board 253, tilt prop 254 and supporting plate 255 are anticreeper mounting plate
251 provide support force, these components can be controlled the crushing strength of headstock anti-collision structure 2 by aperture or optimization wall thickness, be realized
It can undertake 3 bring of anticreeper about 1100kN crushing force, while the longitudinal crushing force of itself is not higher than 1400kN.With anti-creep
The front end needle beam 26 of 251 alignment of device mounting plate is located at the rear of floor trough 23a, as the level-one stop configurations of collision,
Front end displacement transfer can be obstructed when drivers' cab floor 23 is hit to rear area.
Fig. 4 is the A-A cross-sectional view in Fig. 2.Since the moulding of head-shield needs, the cab door region of car body main structure 1 is high
Degree suffers from limitation, and car roof side-beam 112 cannot be extended to the end of safety zone, the i.e. cab door of front end by carbody canopy 11
At column 121, integral strength and door angular zone intensity in this way to car body main structure 1 are affected.The present invention is solution department
Machine room door upper strength problem is provided with the top side attachment beam 111 of L-type in the lower section of car roof side-beam 112, in both guest room regions
It is welded as a whole, in cab door region top side, attachment beam 111 is individually extended at cab door column 121, is covered on
123 outside of door upper beam of side wall 12, strengthens the longitudinal strength on cab door top, while providing width greater than 50mm's
Upper plane is Nian Jie with head-shield, and the outer profile and car roof side-beam 112 of head-shield are almost the same, avoids and apparent is not connected to continuous property.
Door upper beam 123 is c-type structure, and being internally embedded connection column 122 enhances vertical stiffness, lower section spot welding fixed door frame edge
124 provide attachment surface for installation cab door.
Fig. 5 is the B-B cross-sectional view in Fig. 3.The junction of car roof side-beam 112 and head-shield is Men Shang at the mutation of car body rigidity
Connection column 122 is arranged in crossbeam 123 across the region and at rigidity mutation, improves the local stiffness at door angle, doorframe bound edge 124
Connection two root driver room door pillars 121 of front and back and door upper beam 123, enhance the overall stiffness of cab door.It is anti-to belong to headstock
21 upper end of drivers' cab window pillar and frame 14 on the drivers' cab of car body main structure 1 for hitting structure 2 are weldingly connected, and subtract equipped with column
Weak hole 21a reduces longitudinal strength, and lower than strength of parent using weld strength under the premise of guaranteeing enough vertical strengths,
It cuts it before car body main structure 1 deforms during crash compresses, protects the safety of car body main structure.Anti-collision upright post
222 are aligned with front end needle beam 26, anticreeper mounting plate 251, constitute the stop configurations in whole cross section direction, effectively obstruct
It is deformed including the drivers' cab floor 23 in front of anticreeper 3 and floor trough 23a, improves crashworthiness, and will collision
After the amount of doing over again minimize.
Fig. 6 is the C-C cross-sectional view in Fig. 2.The drivers' cab window pillar 21 and anti-collision upright post of 2 lower part of headstock anti-collision structure
222, anticollision diagonal brace 223 is aligned setting with 255 transverse direction of supporting plate of anticreeper mounting structure 25, is bearing for anti-collision wall 22
Enough support forces are provided when 300kN longitudinal compressing force, anticreeper 3 the huge vertical force that vehicle has been climbed can also be resisted and pass through department
Machine room window column 21 is transmitted to the top of car body main structure 1 with shortest path to realize integrated carrying.
Fig. 7 is the D-D cross-sectional view in Fig. 2.For the rigidity for improving cab door column, cab door column of the invention
121 use different formed steel construction, and cross-sectional length is sufficiently large, at least 120mm, and two rows of radiuses are opened on the inside of cab door column 121
For the fabrication hole of 30mm, it is connect for it with the spot welding of outer skin.
It is noted that improve the convenience that driver gets on or off the bus, while meeting the requirement of outer profile limit, part subway
Vehicle needs are arranged cab door two sides and embedded handrail are arranged.Profile cavity can be designed different from aluminum alloy bodywork to provide installation
Space, the subsequent covering of spray paint again aluminum alloy surface keep aesthetics.Stainless steel car body is usually to exempt from painting, and steel construction
Car body is usually slab and girder, does not have a type chamber, how on the basis of guaranteeing door pillar intensity aperture setting handrail is steel construction
The difficult point of car body.
The present invention can be further improved, specifically: 121 cross-sectional length of cab door column increases, at least 180mm, outside
Side is provided with macropore, and inside both sides are provided with spot-welding technology hole.As shown in figure 8, integrally formed handrail nesting 125 fills in department from outside
In the macropore of machine room door pillar 121, and upper and lower surfaces are all contacted with cab door column 121, and spot welding links into an integrated entity, and are formed
The structure of similar profile type chamber, intensity have continuity, solve the installation question of embedded handrail.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalent forms of the invention
Modification each fall within the application range as defined in the appended claims.
Claims (31)
1. a kind of rail vehicle vehicle head structure, which is characterized in that including car body main structure (1), headstock anti-collision structure (2) and anti-creep
Headstock is divided into safety zone, the secondary change that longitudinal loading intensity is successively decreased in gradient according to the longitudinal direction of rail vehicle by device (3)
Shape area and Main Deformation；
Wherein the safety zone is car body main structure (1) comprising guest room region and driver's chair region；The secondary deformed area
For drivers' cab front door to region between anticreeper mounting plate (251) comprising headstock anti-collision structure (2) and anticreeper mounting structure
(25)；The Main Deformation includes the drivers' cab floor (23) and anticreeper (3) before anticreeper mounting plate (251)；
The longitudinal strength of the secondary deformed area is less than the longitudinal strength of safety zone when colliding, and secondary deformed area is than peace
The whole district is first plastically deformed；Between the secondary deformed area and Main Deformation be equipped with level-one stop configurations, safety zone and time
Want to be equipped with second level stop configurations, the level-one stop configurations and second level stop configurations between deformed area for obstructing the change of front region
Shape influences rear area.
2. rail vehicle vehicle head structure according to claim 1, which is characterized in that be provided on the drivers' cab floor (23)
Floor trough (23a) in front of the anti-collision upright post (222) of drivers' cab, and the drivers' cab before anticreeper mounting plate (251)
It is equipped on floor (23) and thickens plate (24).
3. rail vehicle vehicle head structure according to claim 1, which is characterized in that the car body cross section of the safety zone is extremely
The longitudinal loading of 1500kN can be born less；Secondary deformed area longitudinal loading design value is 1200-1400kN, and conquassation deformation is at least inhaled
It can 0.6MJ；The anticreeper crushing force of Main Deformation is 900kN -1200kN, conquassation deformation at least energy-absorbing 0.4MJ.
4. rail vehicle vehicle head structure according to claim 3, which is characterized in that the length of the secondary deformed area is not small
It is not less than 400mm in the stroke of 500mm, the Main Deformation.
5. rail vehicle vehicle head structure described in one of -4 according to claim 1, which is characterized in that the car body main structure (1)
Including frame (14) on carbody canopy (11), side wall (12), chassis (13) and drivers' cab；The carbody canopy (11) and side wall
(12) the top side attachment beam (111) between extends to cab door column (121) front end, and the top side attachment beam (111) covers
It is connected as one on the door upper beam (123) of drivers' cab and with side wall (12), frame (14) is by side wall on the drivers' cab
(12) four cab door columns (121) and carbody canopy (11) link into an integrated entity, and constitute with the chassis of car body (13)
Monocoque structure.
6. rail vehicle vehicle head structure according to claim 5, which is characterized in that the top side attachment beam (111) is in L
Type.
7. rail vehicle vehicle head structure according to claim 5, which is characterized in that the door upper beam (123) is c-type knot
Structure, this upper beam (123) have been internally embedded connection column (122), fixed promising installation department below this upper beam (123)
Machine room door provides the doorframe bound edge (124) of attachment surface.
8. rail vehicle vehicle head structure according to claim 7, which is characterized in that before doorframe bound edge (124) connection
Two root driver room door pillars (121) and door upper beam (123) afterwards.
9. rail vehicle vehicle head structure according to claim 5, which is characterized in that in the cab door column (121)
Side is provided with multiple fabrication holes for connecting with outer skin.
10. rail vehicle vehicle head structure according to claim 9, which is characterized in that the cab door column (121)
Cross-section lengths size is at least 120mm.
11. rail vehicle vehicle head structure according to claim 10, which is characterized in that the cab door column (121)
Cross-section lengths having a size of at least 180mm.
12. rail vehicle vehicle head structure according to claim 9, which is characterized in that the cab door column (121) is outside
Side is provided with the mounting hole for being packed into handrail nested (125), and handrail nested (125) and the upper and lower side of mounting hole are fixedly linked
And form cavity structure.
13. rail vehicle vehicle head structure according to claim 7, which is characterized in that the roof of the carbody canopy (11)
The junction of side bar (112) and head-shield is at the rigidity mutation of car body, and the door upper beam (123) is arranged at the rigidity mutation
The connection column (122).
14. rail vehicle vehicle head structure described in one of -4 according to claim 1, which is characterized in that the second level stop configurations
Including the traction crossbeam (131), hitch mounting base (132) and hitch wing plate (133) being arranged on the chassis (13) of car body, it is used for
Barrier is located at the collision impact of headstock anti-collision structure (2) lower part anticreeper mounting structure (25)；The second level stop configurations and department
Frame (14) forms cyclic structure on the cross section perpendicular to vehicle body longitudinal direction on machine room door pillar (121), drivers' cab.
15. rail vehicle vehicle head structure according to claim 14, which is characterized in that a left side for the traction crossbeam (131)
The elongated side bar in left and right two of right both ends connection chassis, and the traction crossbeam (131) and the cab door column (121) of top are right
Together；The rear of the hitch mounting base (132) is equipped with and leads slow structure；The left and right ends of the hitch wing plate (133) and chassis
Two elongated side bars and hitch mounting base (132) are connected, and this hitch wing plate (133) and the traction crossbeam that is positioned above
(131) it is fixedly linked.
16. rail vehicle vehicle head structure described in one of -4 according to claim 1, which is characterized in that the headstock anti-collision structure
(2) mainly by drivers' cab window pillar (21), anti-collision wall (22), drivers' cab floor (23), thicken plate (24) and anticreeper installation knot
Structure (25) is formed by fixedly connecting；The anti-collision wall (22) is located above drivers' cab floor (23), and the two sides of anti-collision wall (22) point
It is not connected with drivers' cab window pillar (21), the front end for thickening plate (24) and being located at drivers' cab floor (23).
17. rail vehicle vehicle head structure according to claim 16, which is characterized in that described to thicken plate (24) and drivers' cab
The sum of the thickness on floor (23) is at least 40mm.
18. rail vehicle vehicle head structure according to claim 16, which is characterized in that the anti-collision wall (22) includes anticollision
Crossbeam (221), anti-collision upright post (222) and anticollision diagonal brace (223)；The anticollision diagonal brace (223) and anticreeper mounting structure (25)
Supporting plate (255) transverse direction be aligned setting；The anti-collision beam (221), anti-collision upright post (222) and anticollision diagonal brace (223)
It is fixedly linked and forms closed cavity structure.
19. rail vehicle vehicle head structure according to claim 16, which is characterized in that on the drivers' cab window pillar (21)
End is fixedly linked with frame (14) on the drivers' cab of car body main structure (1).
20. rail vehicle vehicle head structure according to claim 19, which is characterized in that set on drivers' cab window pillar (21)
There is column to weaken hole (21a).
21. rail vehicle vehicle head structure according to claim 16, which is characterized in that the headstock anti-collision structure (2) is straight
The front end for being welded on car body main structure (1) is connect, or company is arranged in the joint face in car body main structure (1) and headstock anti-collision structure (2)
Hole is connect, and is connected by fastener.
22. rail vehicle vehicle head structure according to claim 16, which is characterized in that the anticreeper mounting structure (25)
Including anticreeper mounting plate (251), transition beam (252), cover board (253), tilt prop (254) and supporting plate (255)；The transition
Beam (252), cover board (253), tilt prop (254), supporting plate (255) are used to support huge impact of collision when anticreeper movement
Power.
23. rail vehicle vehicle head structure according to claim 22, which is characterized in that the transition beam (252), cover board
(253), the decrease hole of induced distortion is provided on tilt prop (254) and supporting plate (255).
24. rail vehicle vehicle head structure according to claim 16, which is characterized in that the level-one stop configurations and anticollision
Wall (22) is located on same cross section, the rear ends of the level-one stop configurations be equipped with the drivers' cab window pillar (21) that support force is provided and
Supporting plate (255).
25. rail vehicle vehicle head structure according to claim 24, which is characterized in that be provided on drivers' cab floor (23)
Partition grooves at anti-collision wall (22), the partition grooves are used to obstruct the transmitting of drivers' cab floor (23) deformation.
26. rail vehicle vehicle head structure according to claim 24, which is characterized in that on the drivers' cab window pillar (21)
The weld strength of side is lower than strength of parent, and weakens longitudinal strength in junction aperture.
27. rail vehicle vehicle head structure described in one of -4 according to claim 1, which is characterized in that the level-one stop configurations
Front end needle beam including the anticreeper mounting plate (251) being arranged on chassis and with anticreeper mounting plate (251) alignment
(26).
28. rail vehicle vehicle head structure according to claim 27, which is characterized in that opened on the drivers' cab floor (23)
There is the floor trough (23a) in front of the anti-collision upright post (222) of drivers' cab, the front end needle beam (26) is located at floor trough
The rear of (23a).
29. rail vehicle vehicle head structure described in one of -4 according to claim 1, which is characterized in that the anticreeper (3) is can
The energy-absorbing anti-creeper of detachable.
30. rail vehicle vehicle head structure according to claim 29, which is characterized in that the anticreeper (3) passes through driver
The top of room window column (21) and car body main structure (1) is formed together the Path of Force Transfer in vertical direction.
31. rail vehicle vehicle head structure according to claim 29, which is characterized in that the anticreeper (3) is crushing type
Anticreeper (3), planing pattern anticreeper (3) or aluminum honeycomb formula anticreeper (3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771803.6A CN106240587B (en) | 2016-08-30 | 2016-08-30 | A kind of rail vehicle vehicle head structure |
| PCT/CN2017/097104 WO2018040892A1 (en) | 2016-08-30 | 2017-08-11 | Railway vehicle locomotive structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771803.6A CN106240587B (en) | 2016-08-30 | 2016-08-30 | A kind of rail vehicle vehicle head structure |
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| Publication Number | Publication Date |
|---|---|
| CN106240587A CN106240587A (en) | 2016-12-21 |
| CN106240587B true CN106240587B (en) | 2018-12-14 |
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ID=58079560
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771803.6A Active CN106240587B (en) | 2016-08-30 | 2016-08-30 | A kind of rail vehicle vehicle head structure |
Country Status (2)
| Country | Link |
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| CN (1) | CN106240587B (en) |
| WO (1) | WO2018040892A1 (en) |
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| CN106240587B (en) * | 2016-08-30 | 2018-12-14 | 中车株洲电力机车有限公司 | A kind of rail vehicle vehicle head structure |
| DE102017102568A1 (en) * | 2017-02-09 | 2018-08-09 | CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | Crash system for rail vehicle |
| CN107499326B (en) * | 2017-08-31 | 2019-05-03 | 中车株洲电力机车有限公司 | Railcar and its Undercarriage structure |
| CN108044284B (en) * | 2017-12-22 | 2023-08-01 | 青岛四方庞巴迪铁路运输设备有限公司 | Preset reverse deformation tooling for welding side wall door upright post of railway vehicle and method thereof |
| CN108482414B (en) * | 2018-03-26 | 2019-06-11 | 中车株洲电力机车有限公司 | Rail vehicle and its rail vehicle lead slow structure |
| CN108749834B (en) * | 2018-06-05 | 2023-06-23 | 成都西交轨道交通装备科技有限公司 | Adhesive riveting installation structure of composite top cover for rail transit vehicle |
| CN108995667A (en) * | 2018-09-04 | 2018-12-14 | 重庆中车长客轨道车辆有限公司 | A kind of car body and AS type subway |
| CN109177995B (en) * | 2018-09-06 | 2020-04-14 | 中车青岛四方机车车辆股份有限公司 | Vehicle end framework structure and railway vehicle with same |
| CN109383540A (en) * | 2018-09-06 | 2019-02-26 | 中车青岛四方机车车辆股份有限公司 | The processing method and rail vehicle cockpit of rail vehicle cockpit outer cover |
| CN109367564B (en) * | 2018-11-23 | 2024-04-19 | 中车洛阳机车有限公司 | Art coupler connecting device |
| JP7218060B2 (en) * | 2019-03-29 | 2023-02-06 | 日本車輌製造株式会社 | rail car |
| CN110549862A (en) * | 2019-07-15 | 2019-12-10 | 中铁磁浮交通投资建设有限公司 | Small-size magnetic levitation track traffic system |
| CN112406921B (en) * | 2019-08-22 | 2022-04-15 | 比亚迪股份有限公司 | Railway vehicle and installation method of cab hood thereof |
| CN110758447B (en) * | 2019-10-14 | 2021-03-16 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle end part bearing energy absorption structure and rail vehicle |
| CN112977523B (en) * | 2019-12-16 | 2022-09-23 | 中车唐山机车车辆有限公司 | Control vehicle and vehicle body thereof |
| CN112977525B (en) * | 2019-12-16 | 2022-11-22 | 中车唐山机车车辆有限公司 | Rail vehicle and vehicle body end part structure thereof |
| CN112026832B (en) * | 2020-08-13 | 2022-05-27 | 中车青岛四方机车车辆股份有限公司 | Anticreeper cover plate mounting structure, cab and rail train |
| CN111976770B (en) * | 2020-09-01 | 2023-05-02 | 中车株洲电力机车有限公司 | Rail vehicle automobile body chassis structure |
| CN112109758B (en) * | 2020-09-16 | 2021-10-26 | 中车株洲电力机车有限公司 | Rail vehicle anti-collision system and method |
| CN112078618B (en) * | 2020-09-16 | 2022-01-18 | 中车株洲电力机车有限公司 | Rail vehicle chassis structure |
| CN112078620B (en) * | 2020-09-16 | 2021-09-17 | 中车株洲电力机车有限公司 | Front end structure of railway vehicle |
| CN112721988B (en) * | 2021-01-27 | 2022-07-26 | 北京轨道交通技术装备集团有限公司 | Rail vehicle and locomotive energy absorption device thereof |
| CN113859295A (en) * | 2021-09-18 | 2021-12-31 | 中车长春轨道客车股份有限公司 | Multistage energy-absorbing structure |
| CN114394117B (en) * | 2022-01-20 | 2023-05-23 | 中车青岛四方机车车辆股份有限公司 | Cab structure of railway vehicle and railway vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018040892A1 (en) | 2018-03-08 |
| CN106240587A (en) | 2016-12-21 |
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