CN106240587A - A kind of rail vehicle vehicle head structure - Google Patents
A kind of rail vehicle vehicle head structure Download PDFInfo
- Publication number
- CN106240587A CN106240587A CN201610771803.6A CN201610771803A CN106240587A CN 106240587 A CN106240587 A CN 106240587A CN 201610771803 A CN201610771803 A CN 201610771803A CN 106240587 A CN106240587 A CN 106240587A
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- Prior art keywords
- cab
- drivers
- anticreeper
- collision
- car body
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
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- 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
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- 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
- 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
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
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- 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 structure.Described rail vehicle vehicle head structure includes car body main structure, headstock anti-collision structure and anticreeper, according to the longitudinal direction of rail vehicle, headstock is divided into place of safety, secondary deformed area and the Main Deformation that longitudinal loading intensity is successively decreased in gradient；Wherein said place of safety is car body main structure, and it includes region, guest room and driver's chair region；Described secondary deformed area is drivers' cab Qianmen to region between anticreeper installing plate, and it includes headstock anti-collision structure and anticreeper mounting structure；Described primary deformable region includes being positioned at the drivers' cab floor before anticreeper installing plate and anticreeper；It is provided with one-level stop configurations between described secondary deformed area and Main Deformation, between place of safety and secondary deformed area, is provided with two grades of stop configurations.The present invention makes car body deform in the way of controlled, orderly and absorb energy, it is thus achieved that security performance is good.
Description
Technical field
The present invention relates to a kind of rail vehicle vehicle head structure, particularly relate to a kind of vehicle with good collision safety performance
Vehicle head structure, belongs to rail traffic vehicles body construction field.
Background technology
The energy absorbing components such as the coupler draft gear of current railcar are only capable of meeting two trains at relative velocity less than 20km/h
Shock, under more speed, coupler system can lose efficacy or sheared, and car body can contact and collision deformation occurs, and carries to passenger driver
Injure.For improving the passive security performance of rail truck, the European Train anti-collision of European Union and UIC's shared
Hitting property project (SAFETRAIN), and spend significant cost to carry out real object collision test, subjects is deform in a controlled manner
Body end portion structure.European Union promotes each member state to formulate unified crash standards by research projects such as SAFETRAIN subsequently,
" EN15227 railway applications-railroad car crashworthiness requires " is one of its main achievement.This standard is to C-II class railway
The collision safety requirement of vehicle (i.e. railcar) is the shock scene that two row same unit trains reach 25km/h at relative velocity
In, the deformed region scope of car body, deceleration size, prevent climbing car etc. and need to meet related request, and vehicle front can absorb
Enough Impact energies.Body construction the most reasonable in design absorbs more multi-energy and preventing and climbs car and become this field and urgently grind
The problem studying carefully solution.
Railway transport of passengers train impact-resistant energy-absorbing is disclosed in the patent of invention of Application No. CN02126784.7 of China
Car body, chassis structure of independent vehicle head seat disclosed in the utility model of Application No. CN200920282833.6, Application No.
The patent of invention of CN201310434839.1 discloses a kind of railway vehicle cab endergonic structure, and Application No.
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 have ignored vehicle anti-creep requirement, and when train collision it is difficult to ensure that endergonic structure normally acts on, safety is difficult
To ensure.
In " the city rail vehicle head underbody that " the impact resistance performance study of city rail vehicle " written by Wang Huizi and Zhou Chuanyi etc. write
The collapse energy-absorption Optimal Structure Designing of frame front end " disclosed in vehicle head structure considering to be additionally arranged on the basis of energy-absorbing anticreeper, but anti-
Climb device to be integrated in vehicle body bottom frame structure.When anticreeper is had an effect, car body front end will impact wreckage, maintenance workload
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 of band anti-climbing energy-absorbing device, and
Disclosed in the utility model of Chinese utility model patent CN201410000695.3, the anticreeper of a kind of urban rail cab structure is
Detachable, but drivers' cab deformed area disclosed in these is only limited in the front end of anticreeper installing plate, and anticreeper is installed
Plate is shorter from car body distance foremost, and energy deformed region is the least, absorbs finite energy.Chinese invention patent application
CN201310072635.8 discloses the train front end composition of band anti-climbing energy-absorbing device, contains the hitch of car body draw beam front end
Case, be arranged on the hitch mounting seat of car body draw beam front end, anti-climbing energy-absorbing device mounting seat and anti-climbing energy-absorbing device are constituted, but should
Structure mainly resists vertical load when vehicle has been climbed by underframe self, causes Undercarriage structure the most complicated, not from whole
From the point of view of body, i.e. utilize drivers' cab skeleton to improve vertical bearing capacity.U.S. patent Nos US6561105B2 discloses
Equipped with the drivers' cab of power-absorbing above a kind of floor, when there is two train collisions, this power-absorbing will be made jointly with anticreeper
With, but whether how its longitudinal crushing strength, not above place of safety, guest room intensity, does not therefore increase in longitudinal crush stroke,
And in the case of car body main structure intensity is constant, independent is to be effectively improved impact energy by arranging greater number of power-absorbing
The absorption total amount of amount, and be provided above power-absorbing on floor and can reduce the size of front window, reduce driver's degree of affording a wide field of vision.
Additionally, the cab structure of current domestic existing Type B city rail vehicle stainless steel car body is for the pressure of 300kN under front window
Contracting loading demands, substantially can not meet requirement.Rustless steel as disclosed in Chinese utility model patent 201020677752.9
Ferrum drivers' cab body construction, the steel skeleton under window is mainly used to support glass steel toe cover, and structure is more weak, in vehicle operation
Driver can not be protected very well by the barrier impacts in train front.Aluminum disclosed in Chinese utility model patent 201020107739.X
Alloy car body considers this operating mode, but the structural strength mainly by drivers' cab skeleton self realizes, before being not bound with underframe
End structure comprehensively considers, and front does not has enough deformation energy-absorbing districts, and safety is the most not enough.
Meanwhile, car body static strength performance design is to pursue each cross section of car body to have sufficiently high intensity, and impact resistant
Performance design is that requirement car body deforms under collision impact effect in the way of orderly, controlled.Both tool itself
Having certain paradox, how on the premise of meeting static strength performance, the impact resistant performance of reasonable design car body is always rail
The difficult point of road vehicular field.
Summary of the invention
In order to overcome the problems referred to above and deficiency, it is desirable to provide a kind of rail vehicle vehicle head structure, this vehicle head structure
By system optimization drivers' cab framing structure and underframe front-end architecture, vehicle head structure is made to have good integrated carrying performance, full
Foot EN12663 standard, for the requirement of car body static strength, improves deformation energy absorption ability and the opposing jolt capacity of car body simultaneously,
Car body is made to deform in the way of controlled, orderly and absorb energy, it is thus achieved that the body construction that security performance is good.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of rail vehicle vehicle head structure, it is structurally characterized in that, including car body main structure, headstock anti-collision structure and anticreeper, presses
According to the longitudinal direction of rail vehicle, headstock is divided into place of safety, secondary deformed area and the master that longitudinal loading intensity is successively decreased in gradient
Want deformed area；
Wherein said place of safety is car body main structure, and it includes region, guest room and driver's chair region；Described secondary deformed area is
Drivers' cab Qianmen is to region between anticreeper installing plate, and it includes headstock anti-collision structure and anticreeper mounting structure；Described mainly
Deformed region includes being positioned at the drivers' cab floor before anticreeper installing plate and anticreeper；
The longitudinally slight longitudinal strength less than place of safety of described secondary deformed area and when colliding, secondary deformed area is than peace
First there is plastic deformation in the whole district；Being provided with one-level stop configurations between described secondary deformed area and Main Deformation, place of safety is with secondary
Wanting to be provided with two grades of stop configurations between deformed area, this one-level stop configurations and two grades of stop configurations are for intercepting the change of front region
Shape affects rear area.
Thus, rail vehicle headstock is divided into place of safety-secondary deformed area-primary deformable according to longitudinal direction by the present invention
District, wherein place of safety includes region, guest room and driver's chair region, and secondary deformed area is that drivers' cab Qianmen is to anticreeper installing plate
Between region；Primary deformable region includes the floor before anticreeper installing plate and anticreeper self.The design object of structure is:
The deformation energy-absorbing of Main Deformation can meet the energy-absorbing of the 25km/h collision that EN15227 standard specifies and require and " in vivosphere
Average longitudinal deceleration is not more than 5g " requirement；Secondary deformed area mainly when car body is with more than 25km/h speed impacts, absorption portion
Energy, protection car body main structure is divided to be injured by minimum as far as possible.
The cross section of the elongated beam of the carbody canopy of safety zone, underframe is sufficiently strong, makes car by beam, cylindricality structure circlewise
Body has good load-carrying properties, can meet huge longitudinal compression load for car body and opposing 25km/h speed train clashes into
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, floor arranges anti-collision structure, the impact of train preceding object thing, i.e. hydrostatic compressive pressure can be resisted
300kN；The longitudinal rigidity being made its anticreeper mounting structure by perforate on the supporting plate is weakened, and utilizes above drivers' cab window pillar
Weld strength lower than strength of parent, and weaken the longitudinal strength above secondary deformed area in junction perforate so that it is in collision
During first there is plastic deformation than the main structure of safety zone, the safety of protection car body main structure.
Main Deformation includes drivers' cab ground front edge of board and anticreeper, opens one by the drivers' cab floor in anti-collision upright post front
The groove of depthkeeping degree, it is ensured that in anticreeper energy-absorbing work process, floor occurs uncontrollable deformation to be induced to secondary deformed region
Floor ensue flexing buckling deformation；The probability simultaneously contacted with each other when front edge of board local in ground thickeies and increases collision, subtracts
When few train has been climbed within 40mm ground front edge of board not in contact with and invade the phenomenon generation of secondary deformed region, improve vehicle further
Collision safety performance.
Between secondary deformed area and Main Deformation, between secondary deformed area and place of safety, it is provided with stop configurations, uses
In the deformation effect rear area structure intercepting front region.Backstopping assembly carries out cyclization with the beam on car body cross section, post and sets
Meter, improves train anti-creep and energy absorption ability on the basis of strengthening car body integrated carrying.
According to embodiments of the invention, it is also possible to the present invention is further optimized, below for the skill formed after optimizing
Art scheme:
The floor trough in the anti-collision upright post front being positioned at drivers' cab is had on described drivers' cab floor, and before anticreeper installing plate
Drivers' cab floor on equipped with thickening plate.
The car body cross section of described place of safety at least can bear the longitudinal loading of 1500kN；Secondary deformed area longitudinal loading sets
Evaluation is 1200-1400kN, and conquassation deforms at least energy-absorbing 0.6MJ；The anticreeper crushing force of Main Deformation be 900kN-
1200kN, conquassation deforms at least energy-absorbing 0.4MJ；The length of the most described secondary deformed area is not less than 500mm, described primary deformable
The stroke in district is not less than 400mm.
Described car body main structure includes carbody canopy, side wall, underframe and drivers' cab upper frame；Described carbody canopy and side wall
Between top side tie-beam extend to cab door column front end and cover door entablature and the side wall at drivers' cab and be connected as one
Body, the four of side wall cab door columns and carbody canopy are linked into an integrated entity by described drivers' cab upper frame, and with the end of car body
Frame constitutes monocoque structure；The most described top side tie-beam is L-shaped；The most described door entablature is c-type structure, on this door
Crossbeam be internally embedded connection column, fix below this entablature promising installation cab door provide attachment surface doorframe bag
Limit；Two root driver room door pillars and door entablature before and after the connection of the most described doorframe bound edge.
Have multiple for the fabrication hole with the connection of outer skin inside described cab door column；The most described driver
The cross-section lengths size of room door pillar is at least 120mm, more preferably at least 180mm.
Have outside described cab door column for loading the installing hole that handrail is nested, and handrail is nested and installing hole
Upper and lower side is fixedly linked and forms cavity structure.
The car roof side-beam of described carbody canopy and the junction of head-shield are at the rigidity sudden change of car body, and described door entablature exists
Described connection column is set at this rigidity sudden change.
Described two grades of stop configurations include traction crossbeam, hitch mounting seat and the hitch wing being arranged on the underframe of car body
Plate, for intercepting the collision impact being positioned at headstock anti-collision structure bottom anticreeper mounting structure；This two grades of stop configurations and department
Unit room door pillar, drivers' cab upper frame form circulus on the cross section being perpendicular to length over ends of body direction.
The two ends, left and right of described traction crossbeam connect the elongated side bar in two, left and right of underframe, and this traction crossbeam and top
Cab door column aligns；The rear of described hitch mounting seat is provided with leads slow structure；The two ends, left and right of described hitch wing plate and the end
Two elongated side bars of frame and hitch mounting seat are connected, and this hitch wing plate fixes phase with the traction crossbeam being positioned above
Even.
Described 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；Described anti-collision wall is positioned at above drivers' cab floor, and the both sides of anti-collision wall respectively with drivers' cab
Window pillar is connected, described in thicken plate and be positioned at the front end on drivers' cab floor；Thicken described in preferably plate and drivers' cab floor thickness it
At least 40mm.
Described anti-collision wall includes anti-collision beam, anti-collision upright post and crashproof diagonal brace；Described crashproof diagonal brace installs knot with anticreeper
The supporting plate horizontal direction alignment of structure is arranged；Described anti-collision beam, anti-collision upright post and crashproof diagonal brace are fixedly linked and form closing
Cavity structure.
Described drivers' cab window pillar upper end is fixedly linked with the drivers' cab upper frame of car body main structure；Preferably at drivers' cab window
Column is provided with column and weakens hole.
Described headstock anti-collision structure is directly welded at the front end of car body main structure, or at car body main structure and the crashproof knot of headstock
The joint face of structure arranges connecting hole, and is connected by securing member.
Described anticreeper mounting structure includes anticreeper installing plate, transition beam, cover plate, tilt prop and supporting plate；Described mistake
Bridging beam, cover plate, tilt prop, supporting plate are mainly used in supporting huge longitudinal impact force during anticreeper action；The most described transition
Have induced distortion on beam, cover plate, tilt prop and supporting plate weakens hole.
Described one-level stop configurations and anti-collision wall are positioned on same cross section, and the rear end of this one-level stop configurations is provided with offer
The drivers' cab window pillar of support force and supporting plate；On drivers' cab floor, preferably have the partition grooves being positioned at anti-collision wall, should be every
Fault trough is for intercepting the transmission of drivers' cab floor deformation；Weld strength above the most described drivers' cab window pillar compares strength of parent
Low, and weaken longitudinal strength in junction perforate.
Described one-level stop configurations includes the anticreeper installing plate being arranged on underframe and the cloth that aligns with anticreeper installing plate
The front end needle beam put；The floor trough in the anti-collision upright post front being positioned at drivers' cab is had on the most described drivers' cab floor, described
Front end needle beam is positioned at the rear of floor trough.
Described anticreeper is detachable energy-absorbing anti-creeper；The most described anticreeper passes through drivers' cab window pillar and car body
The Path of Force Transfer in vertical direction is formed together at the top of main structure；The most described anticreeper be crushing type anticreeper, planing pattern prevent
Climb device or aluminum honeycomb fashion anticreeper.
By said structure, the vehicle head structure of the present invention is divided into place of safety, secondary deformed area and Main Deformation.Place of safety
Car body cross section at least can bear the longitudinal loading of 1500kN, meet the car end that British standard GM/RT2100 requires and absorb 1MJ
Energy.
Place of safety is car body main structure, and including guest room and driver's chair region, primary structure is by carbody canopy, side wall, the end
Frame passenger area and drivers' cab upper frame are constituted.By top side tie-beam being extended to cab door column front end and covering in department
The door entablature of unit room, utilizes drivers' cab upper frame the four of side wall cab door columns and top cover to be linked into an integrated entity, and the end
Frame constitutes monocoque structure, and car body cross section at least can bear the longitudinal loading of 1500kN.Traction crossbeam on underframe, car
Hook mounting seat and hitch wing plate constitute two grades of stop configurations of collision, its together with cab door column, drivers' cab upper frame
Define circulus on car body 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, fluting rear end, drivers' cab floor
Partly, thicken plate, front end needle beam and anticreeper mounting structure to be welded.Anti-collision wall is positioned at above drivers' cab floor, both sides
Being connected with drivers' cab window pillar, anti-collision beam, anti-collision upright post, crashproof diagonal brace are welded, beam is deformed steel, is the chamber closed
Type structure, can resist the barrier impact of 300kN.
Anticreeper mounting structure is made up of anticreeper installing plate, transition beam, cover plate, tilt prop, supporting plate, and anticreeper is installed
Plate can customize according to the mounting interface of anticreeper, and transition beam, cover plate, tilt prop, supporting plate are mainly used in supporting anticreeper action
Time huge longitudinal impact force, can need to reduce weak hole with induced distortion according to crushing strength.Anticreeper installing plate on underframe,
Front end needle beam is the one-level stop configurations of collision, and it is positioned on same cross section with anti-collision wall, and rear end is provided with drivers' cab window and stands
Post, anticreeper supporting plate provide support force, and slot at anti-collision wall in drivers' cab floor, for intercepting the transmission of floor deformation.
Weld strength above drivers' cab window pillar is lower than strength of parent, and weakens longitudinal strength in junction perforate so that it is in compression
During rear end cap region deform before cut off, protection car body main structure safety.
Main Deformation includes drivers' cab floor fluting fore-end, thickens plate, anticreeper composition.Thicken the thickness of plate with
The big thickness sum in drivers' cab floor is more than 40mm.Anticreeper is detachable mounting means, convenient after colliding
Change.
Compared with prior art, the invention has the beneficial effects as follows: vehicle head structure integrated carrying performance of the present invention is good, effectively presses
Stroke of bursting is long, can absorb substantial amounts of collision energy and protect car body main structure without damage, and has anti-collision structure protection driver to exist
The invasion resisting foreign object in vehicle operation is clashed into, and has excellent crashworthiness；Structure is relatively simple, easy module metaplasia
Produce；Embedded handrail can be installed on the basis of all-welded structure, there is practicality and attractive in appearance.
The present invention can meet EN15227 and the British standard GM/RT2100 requirement for collision, meets EN12663 simultaneously
The drivers' cab protection working condition requirement of standard, solves an intrinsic difficult problem for steel construction car body, meets overwhelming majority vehicle fortune both at home and abroad
Do business the demand to car body technical conditions, highly versatile, there is good economic benefit and social benefit.
Accompanying drawing explanation
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 upward view of Fig. 2；
Fig. 4 is the A-A sectional view in Fig. 2；
Fig. 5 is the B-B sectional view in Fig. 3；
Fig. 6 is the C-C sectional view in Fig. 2；
Fig. 7 is the D-D sectional view in Fig. 2；
Fig. 8 is the schematic diagram that Fig. 7 improves further.
In the drawings:
1-car body main structure, 11-carbody canopy, 111-top side tie-beam, 112-car roof side-beam, 12-side wall, 121-cab door
Column, 122-connects column, 123-door entablature, 124-doorframe bound edge, and 125-handrail is nested, and 13-underframe, 131-draws horizontal stroke
Beam, 132-hitch mounting seat, 133-hitch wing plate, 14-drivers' cab upper frame, 2-headstock anti-collision structure, 21-drivers' cab window stands
Post, 21a-column weakens hole, 22-anti-collision wall, 221-anti-collision beam, 222-anti-collision upright post, the crashproof diagonal brace of 223-, 23-drivers' cab
Floor, 23a-floor trough, 24-thickens plate, 25-anticreeper mounting structure, 251-anticreeper installing plate, 252-transition beam, 253-
Cover plate, 254-tilt prop, 255-supporting plate, 26-front end needle beam, 3-anticreeper.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred
On " ", D score, "left", "right" printed words, only represent consistent with the direction, upper and lower, left and right of accompanying drawing itself, structure is not played limit
It is set for using.
A kind of rail vehicle headstock steel construction, as Fig. 1 shows, hitch steel construction is mainly by car body main structure 1, the crashproof knot of headstock
Structure 2 and anticreeper 3 are constituted, and its longitudinal loading intensity is successively decreased in gradient, are corresponding in turn to place of safety, more difficult as secondary deformed area
Deformed area and the yielding district as Main Deformation.The structure design in these three region meets static strength performance and power simultaneously
Learn strength character collision performance requirement, i.e. place of safety car body and at least can bear the longitudinal loading of 1500kN, it is more difficult to deformed area is longitudinally
Load design value is 1200-1400kN, and the anticreeper longitudinal loading design load in yielding district is 1100kN；Meanwhile, yielding district
The energy-absorbing meeting the 25km/h collision that EN15227 standard specifies require and " in vivosphere, average longitudinal deceleration is not more than 5g "
Requirement；Relatively stagnant zone mainly can absorb portion of energy when car body is with more than 25km/h speed impacts, protects the main knot of car body
Structure is injured by minimum as far as possible.
Car body main structure 1, including guest room and driver's chair region, mainly by carbody canopy 11, side wall 12, underframe 13 and department
Unit room upper frame 14 forms.Top side tie-beam 111 extends to cab door column 121 front end and connects as one with side wall 12, department
Four root driver room door pillars 121 and the top cover of side wall 12 are linked into an integrated entity by unit room upper frame 14, and constitute whole with underframe 13
Body carrying structure.Traction crossbeam 131, hitch mounting seat 132 and hitch wing plate 133 on underframe 13 constitutes two grades of collision backstop knots
Structure, intercepts the collision impact of headstock anti-collision structure 2 bottom anticreeper mounting structure 25, simultaneously with cab door column 121, department
Unit room upper frame 14 defines circulus.By the cross section of elongated structural beams in carbody canopy 11, underframe 13 parts is set
Count sufficiently strong, utilize circulus to make car body main structure 1 have good load-carrying properties simultaneously, can meet huge for car body
The offer basis of longitudinal compression load and opposing 25km/h speed train impact force.
Headstock anti-collision structure 2 main by drivers' cab window pillar 21, anti-collision wall 22, drivers' cab floor 23, thicken plate 24, and anti-
Climb device mounting structure 25 to be welded.Anti-collision wall 22 is positioned at above drivers' cab floor, and both sides are connected with drivers' cab window pillar 21, by
Anti-collision beam 221, anti-collision upright post 222, crashproof diagonal brace 223 are welded, and these beams are the deformed steel of global formation, and wall thickness is 4-
8mm, utilizes its cavity structure closed and no-welding-seam weak area, can resist the barrier impact of 300kN, the material of deformed steel
Ductility is relatively big, generally 304 rustless steels.Headstock anti-collision structure 2 can be directly welded at the front end of car body main structure 1, it is possible to
The joint face of car body main structure 1 and headstock anti-collision structure 2 arranges connecting hole, by bolt or rivet interlacement.It is positioned at drivers' cab ground
The thickness sum thickening plate 24 and drivers' cab floor 23 of plate 23 front end is more than 40mm, can reduce train when having climbed within 40mm
Ground front edge of board not in contact with and invade relatively territory, stagnant zone phenomenon occur, 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 be planing pattern, aluminum honeycomb fashion etc..
Fig. 2 and Fig. 3 is front view and the upward view of headstock steel construction respectively.Headstock steel construction sets according to longitudinal strength grade
Having put 3 regions, car body main structure 1 is in place of safety；Headstock anti-collision structure 2 is mainly in relatively stagnant zone；Anticreeper 3 and position
In floor trough 23a front end drivers' cab floor 23, thicken plate 24 and belong to yielding district.Length L1 in the most yielding district is unsuitable little
In 400mm, the average crushing force of anticreeper is set to about 1100kN, it is more difficult to length L2 of deformed area is not less than 500mm, longitudinally pressure
The contracting density of load is 1200-1400kN, and total energy absorption of yielding district and relatively stagnant zone is not less than 1MJ.
Have influence on car body main structure 1 too early for intercepting enormous impact power in collision process, be only thereunder provided with two grades
Gear structure, mainly by being positioned at the traction crossbeam 131 in same cross section, hitch mounting seat 132, hitch wing plate 133 form, and draw crossbeam
The two elongated side bars of foundation frame about 131 connections, align with the cab door column 121 of top, for the ring of car body main structure 1 front end
Shape structure important component part.Hitch mounting seat 132 rear has high-strength slow structure of leading to support, and can bear hitch 1200kN's
Longitudinal loading.Hitch wing plate 133 is bending part, itself has preferable rigidity, two ends, left and right and the elongated side bar of underframe and car
Hook mounting seat 132 is connected, and top is welded and fixed with traction crossbeam 131, and the stop configurations that this three is constituted is highly resistant to front end
The longitudinal loading that anticreeper mounting structure 25 passes over, protects car body main structure safety.
Anticreeper mounting structure 25 below headstock anti-collision structure 2 is mainly used in assembling rail clamps 3, anticreeper mounting structure
25 are made up of anticreeper installing plate 251, transition beam 252, cover plate 253, tilt prop 254 and supporting plate 255, anticreeper installing plate
251 mounting planes providing anticreeper 3, transition beam 252, cover plate 253, tilt prop 254 and supporting plate 255 are anticreeper installing plate
251 provide support force, and these parts can control the crushing strength of headstock anti-collision structure 2 by perforate or optimization wall thickness, it is achieved
It can undertake the about 1100kN crushing force that anticreeper 3 brings, and the longitudinal crushing force of self is not higher than 1400kN simultaneously.With anti-creep
The front end needle beam 26 of device installing plate 251 alignment is positioned at the rear of floor trough 23a, as the one-level stop configurations of collision,
Front end displacement transfer can be intercepted when drivers' cab floor 23 is clashed into rear area.
Fig. 4 is the A-A sectional view in Fig. 2.Owing to the moulding of head-shield needs, the cab door region of car body main structure 1 is high
Degree suffers from limiting, and car roof side-beam 112 can not be extended to the termination of place of safety, the i.e. cab door of front end by carbody canopy 11
At column 121, so bigger on the bulk strength of car body main structure 1 and the impact of door angular zone intensity.The present invention solves department
Unit room door upper strength problem, is provided with the top side tie-beam 111 of L-type, in both regions, guest room in the lower section of car roof side-beam 112
It is welded as a whole, individually extends at cab door column 121 at top side, cab door region tie-beam 111, cover
Outside the door entablature 123 of side wall 12, strengthen the longitudinal strength on cab door top, provide width more than 50mm's simultaneously
Upper plane is bonding with head-shield, the outline of head-shield is basically identical with car roof side-beam 112, it is to avoid apparent be not connected to continuous property.
Door entablature 123 is c-type structure, has been internally embedded connection column 122 and has strengthened vertical stiffness, and doorframe bound edge is fixed in lower section spot welding
124 provide attachment surface for installing cab door.
Fig. 5 is the B-B sectional view in Fig. 3.Car roof side-beam 112 is at car body rigidity sudden change with the junction of head-shield, Men Shang
Crossbeam 123 strides across this region and arranges connection column 122 at rigidity sudden change, improves the local stiffness at door angle, doorframe bound edge 124
Before and after connection, two root driver room door pillar 121 and door entablature 123, enhances the integral rigidity of cab door.Belong to headstock to prevent
The drivers' cab upper frame 14 of drivers' cab window pillar 21 upper end and car body main structure 1 of hitting structure 2 is weldingly connected, and is provided with column and subtracts
Weak hole 21a, on the premise of ensureing enough vertical strengths, reduces longitudinal strength, and utilizes weld strength lower than strength of parent,
It is made to cut off before car body main structure 1 deforms during crash compresses, the safety of protection car body main structure.Anti-collision upright post
222 align with front end needle beam 26, anticreeper installing plate 251, constitute the stop configurations of whole cross-wise direction, effectively intercept
Deform including the drivers' cab floor 23 from anticreeper 3 and floor trough 23a front, improve crashworthiness, and will collision
After the amount of doing over again be down to minimum.
Fig. 6 is the C-C sectional view in Fig. 2.The drivers' cab window pillar 21 of headstock anti-collision structure 2 bottom and anti-collision upright post
222, crashproof diagonal brace 223 aligns with supporting plate 255 horizontal direction of anticreeper mounting structure 25 setting, is bearing for anti-collision wall 22
Enough support forces are provided, it is possible to anticreeper 3 is resisted huge vertical force that vehicle climbed by department during 300kN longitudinal compressing force
Unit room window pillar 21 is delivered to the top of car body main structure 1 with shortest path thus realizes integrated carrying.
Fig. 7 is the D-D sectional view in Fig. 2.For improving the rigidity of cab door column, the cab door column of the present invention
121 use different formed steel construction, and cross-sectional length is sufficiently large, at least 120mm, opens two row's radiuses inside cab door column 121
For the fabrication hole of 30mm, it is connected with the spot welding of outer skin for it.
It is noted that for improving the convenience that driver gets on or off the bus, meet outline gauge requirement, part subway simultaneously
Vehicle needs arranges cab door both sides and arranges embedded handrail.It is different from aluminum alloy bodywork and can design profile cavity to provide installation
Space, the follow-up aluminium coating alloy surface of spray paint again keeps aesthetic property.Stainless steel car body usually exempts from painting, and steel construction
Car body is usually slab and girder, does not has die cavity, and how on the basis of ensureing door pillar intensity, perforate arranges handrail is steel construction
The difficult point of car body.
The present invention can improve further, particularly as follows: cab door column 121 cross-sectional length increases, and at least 180mm, outward
Side has macropore, and both sides, inner side have spot-welding technology hole.The handrail nesting 125 of global formation fills in cab door column from outside
In the macropore of 121, and upper and lower surfaces all contact with cab door column 121, and spot welding links into an integrated entity, and form similar section bar type
The structure in chamber, intensity has seriality, solves the installation question of embedded handrail.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, and not
For limiting the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalent form of values to the present invention
Amendment each fall within the application claims limited range.
Claims (17)
1. a rail vehicle vehicle head structure, it is characterised in that include car body main structure (1), headstock anti-collision structure (2) and anti-creep
Device (3), is divided into, according to the longitudinal direction of rail vehicle, place of safety, the secondary change that longitudinal loading intensity is successively decreased in gradient by headstock
Shape district and Main Deformation；
Wherein said place of safety is car body main structure (1), and it includes region, guest room and driver's chair region；Described secondary deformed area
For region between drivers' cab Qianmen to anticreeper installing plate (251), it includes headstock anti-collision structure (2) and anticreeper mounting structure
(25)；Described primary deformable region includes being positioned at the drivers' cab floor (23) before anticreeper installing plate (251) and anticreeper
(3)；
The longitudinally slight longitudinal strength less than place of safety of described secondary deformed area and when colliding, secondary deformed area is than peace
First there is plastic deformation in the whole district；Being provided with one-level stop configurations between described secondary deformed area and Main Deformation, place of safety is with secondary
Wanting to be provided with two grades of stop configurations between deformed area, this one-level stop configurations and two grades of stop configurations are for intercepting the change of front region
Shape affects rear area.
Rail vehicle vehicle head structure the most according to claim 1, it is characterised in that have on described drivers' cab floor (23)
It is positioned at the floor trough (23a) in anti-collision upright post (222) front of drivers' cab, and the drivers' cab before anticreeper installing plate (251)
Equipped with thickening plate (24) on floor (23).
Rail vehicle vehicle head structure the most according to claim 1, it is characterised in that the car body cross section of described place of safety is extremely
The longitudinal loading of 1500kN can be born less；Secondary deformed area longitudinal loading design load is 1200-1400kN, and conquassation deformation is at least inhaled
Can 0.6MJ；The anticreeper crushing force of Main Deformation is 900kN-1200kN, and conquassation deforms at least energy-absorbing 0.4MJ；Preferably institute
The length stating secondary deformed area is not less than 400mm not less than 500mm, the stroke of described Main Deformation.
4. according to the rail vehicle vehicle head structure one of claim 1-3 Suo Shu, it is characterised in that described car body main structure (1)
Including carbody canopy (11), side wall (12), underframe (13) and drivers' cab upper frame (14)；Described carbody canopy (11) and side wall
(12) the top side tie-beam (111) between extends to cab door column (121) front end and covers the door entablature at drivers' cab
(123) connecting as one with side wall (12), described drivers' cab upper frame (14) is by four cab door columns of side wall (12)
(121) and carbody canopy (11) links into an integrated entity, and with the underframe (13) of car body monocoque structure is constituted；The most described top
Side tie-beam (111) is L-shaped；The most described door entablature (123) is c-type structure, being internally embedded of this entablature (123)
Connecting column (122), the fixing promising installation cab door in this entablature (123) lower section provides the doorframe bound edge of attachment surface
(124)；Two root driver rooms door pillar (121) and door entablature (123) before and after the connection of the most described doorframe bound edge (124).
Rail vehicle vehicle head structure the most according to claim 4, it is characterised in that in described cab door column (121)
Side has multiple for the fabrication hole with the connection of outer skin；The cross-section lengths of the most described cab door column (121)
Size is at least 120mm, more preferably at least 180mm.
Rail vehicle vehicle head structure the most according to claim 5, it is characterised in that described cab door column (121) is outward
Side has an installing hole for loading handrail nested (125), and the upper and lower side of handrail nested (125) and installing hole is fixedly linked
And form cavity structure.
Rail vehicle vehicle head structure the most according to claim 4, it is characterised in that the roof limit of described carbody canopy (11)
At the rigidity sudden change that junction is car body of beam (112) and head-shield, described door entablature (123) arranges institute at this rigidity sudden change
State connection column (122).
8. according to the rail vehicle vehicle head structure one of claim 1-3 Suo Shu, it is characterised in that described two grades of stop configurations bags
Include traction crossbeam (131), hitch mounting seat (132) and the hitch wing plate (133) on the underframe (13) being arranged on car body, be used for hindering
Every the collision impact being positioned at headstock anti-collision structure (2) bottom anticreeper mounting structure (25)；This two grades of stop configurations and driver
Room door pillar (121), drivers' cab upper frame (14) form circulus on the cross section being perpendicular to length over ends of body direction.
Rail vehicle vehicle head structure the most according to claim 8, it is characterised in that the left and right of described traction crossbeam (131)
Two ends connect the elongated side bar in two, left and right of underframe, and this traction crossbeam (131) is right with the cab door column (121) of top
Together；The rear of described hitch mounting seat (132) is provided with leads slow structure；The two ends, left and right of described hitch wing plate (133) and underframe
Two elongated side bars and hitch mounting seat (132) are connected, and this hitch wing plate (133) and the traction crossbeam being positioned above
(131) it is fixedly linked.
10. according to the rail vehicle vehicle head structure one of claim 1-3 Suo Shu, it is characterised in that described headstock anti-collision structure
(2) mainly by drivers' cab window pillar (21), anti-collision wall (22), drivers' cab floor (23), thicken plate (24), and knot installed by anticreeper
Structure (25) is formed by fixedly connecting；Described anti-collision wall (22) is positioned at (23) above drivers' cab floor, and the both sides of anti-collision wall (22) are divided
Be not connected with drivers' cab window pillar (21), described in thicken plate (24) and be positioned at the front end of drivers' cab floor (23)；The most described thicken
Plate (24) is at least 40mm with the thickness sum on drivers' cab floor (23).
11. rail vehicle vehicle head structures according to claim 10, it is characterised in that described anti-collision wall (22) includes crashproof
Crossbeam (221), anti-collision upright post (222) and crashproof diagonal brace (223)；Described crashproof diagonal brace (223) and anticreeper mounting structure (25)
Supporting plate (255) horizontal direction alignment arrange；Described anti-collision beam (221), anti-collision upright post (222) and crashproof diagonal brace (223)
It is fixedly linked and forms the cavity structure of closing.
12. rail vehicle vehicle head structures according to claim 10, it is characterised in that on described drivers' cab window pillar (21)
The drivers' cab upper frame (14) with car body main structure (1) is held to be fixedly linked；Preferably on drivers' cab window pillar (21), it is provided with column
Weaken hole (21a).
13. rail vehicle vehicle head structures according to claim 10, it is characterised in that described headstock anti-collision structure (2) is straight
Connect the front end being welded on car body main structure (1), or arrange even at the joint face of car body main structure (1) Yu headstock anti-collision structure (2)
Connect hole, and be connected by securing member.
14. rail vehicle vehicle head structures according to claim 10, it is characterised in that described anticreeper mounting structure (25)
Including anticreeper installing plate (251), transition beam (252), cover plate (253), tilt prop (254) and supporting plate (255)；Described transition
Beam (252), cover plate (253), tilt prop (254), supporting plate (255) are mainly used in supporting huge longitudinally punching during anticreeper action
Hit power；Subtracting of induced distortion is had on the most described transition beam (252), cover plate (253), tilt prop (254) and supporting plate (255)
Weak hole.
15. rail vehicle vehicle head structures according to claim 10, it is characterised in that described one-level stop configurations is with crashproof
Wall (22) is positioned on same cross section, the rear end of this one-level stop configurations be provided with provide support force drivers' cab window pillar (21) and
Supporting plate (255)；Preferably having the partition grooves being positioned at anti-collision wall (22) place on drivers' cab floor (23), this partition grooves is used for hindering
Every the transmission that drivers' cab floor (23) deform；The weld strength of the most described drivers' cab window pillar (21) top compares strength of parent
Low, and weaken longitudinal strength in junction perforate.
16. according to the rail vehicle vehicle head structure one of claim 1-3 Suo Shu, it is characterised in that described one-level stop configurations
Including the anticreeper installing plate (251) being arranged on underframe and with the front end needle beam of anticreeper installing plate (251) alignment
(26)；The floor trough (23a) in anti-collision upright post (222) front being positioned at drivers' cab is had on the most described drivers' cab floor (23),
Described front end needle beam (26) is positioned at the rear of floor trough (23a).
17. according to the rail vehicle vehicle head structure one of claim 1-3 Suo Shu, it is characterised in that described anticreeper (3) is can
The energy-absorbing anti-creeper of dismountable；The most described anticreeper (3) is by the top of drivers' cab window pillar (21) with car body main structure (1)
Form the Path of Force Transfer in vertical direction together；The most described anticreeper (3) is crushing type anticreeper (3), planing pattern anticreeper (3)
Or aluminum honeycomb fashion 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106240587A true CN106240587A (en) | 2016-12-21 |
| CN106240587B CN106240587B (en) | 2018-12-14 |
Family
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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 |
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| CN (1) | CN106240587B (en) |
| WO (1) | WO2018040892A1 (en) |
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| WO2021120080A1 (en) * | 2019-12-16 | 2021-06-24 | 中车唐山机车车辆有限公司 | Control vehicle and vehicle body thereof |
| CN112026832A (en) * | 2020-08-13 | 2020-12-04 | 中车青岛四方机车车辆股份有限公司 | Anti-creeper cover plate mounting structure, cab and rail vehicle |
| CN111976770A (en) * | 2020-09-01 | 2020-11-24 | 中车株洲电力机车有限公司 | Rail vehicle automobile body chassis structure |
| CN112109758A (en) * | 2020-09-16 | 2020-12-22 | 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 |
| CN112078618A (en) * | 2020-09-16 | 2020-12-15 | 中车株洲电力机车有限公司 | Rail vehicle chassis structure |
| CN112078620A (en) * | 2020-09-16 | 2020-12-15 | 中车株洲电力机车有限公司 | Front end structure of railway vehicle |
| CN112721988A (en) * | 2021-01-27 | 2021-04-30 | 北京轨道交通技术装备集团有限公司 | Rail vehicle and locomotive energy absorption device thereof |
| CN114394117A (en) * | 2022-01-20 | 2022-04-26 | 中车青岛四方机车车辆股份有限公司 | Cab structure of railway vehicle and railway vehicle |
| CN115230753A (en) * | 2022-08-23 | 2022-10-25 | 中车株洲电力机车有限公司 | Rail vehicle body structure and rail train |
| CN115230753B (en) * | 2022-08-23 | 2023-06-13 | 中车株洲电力机车有限公司 | Rail vehicle body structure and rail train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106240587B (en) | 2018-12-14 |
| WO2018040892A1 (en) | 2018-03-08 |
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