CN103625502A - Railway vehicle front-end energy absorbing device - Google Patents
Railway vehicle front-end energy absorbing device Download PDFInfo
- Publication number
- CN103625502A CN103625502A CN201310488975.9A CN201310488975A CN103625502A CN 103625502 A CN103625502 A CN 103625502A CN 201310488975 A CN201310488975 A CN 201310488975A CN 103625502 A CN103625502 A CN 103625502A
- Authority
- CN
- China
- Prior art keywords
- energy
- fixedly connected
- absorbing
- endergonic structure
- energy absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Vibration Dampers (AREA)
Abstract
The invention relates to a railway vehicle front-end energy absorbing device which comprises an anti-creeping energy absorbing structure, a vehicle hook energy absorbing structure, a main energy absorbing structure and guiding structures. The vehicle hook energy absorbing structure is fixedly connected with the main energy absorbing structure through a vehicle hook base, the vehicle hook base is fixedly connected with the front end portion of the main energy absorbing structure, the main energy absorbing structure and the guiding structures are fixedly connected to a rigid wall at the front end of a vehicle body, the guiding structures are located on the two sides of the main energy absorbing structure and are in sliding connection with the main energy absorbing structure and the vehicle hook energy absorbing structure, and the anti-creeping energy absorbing structure is fixedly connected to a chassis at the front end of the vehicle body. According to the railway vehicle front-end energy absorbing device, the main energy absorbing structure, the vehicle hook energy absorbing structure and the anti-creeping energy absorbing structure are combined into a whole, and the energy absorbing amount of the vehicle body front-end energy absorbing device is greatly increased, so that the energy absorbing device can conduct deformation energy absorbing step by step and in order.
Description
Technical field
The present invention relates to a kind of guideway vehicle front end energy absorption device, particularly a kind of energy absorption that can improve is applicable to again the front end energy absorption device of high-fineness ratio, sharp shuttle capitiform guideway vehicle.
Background technology
Along with improving constantly of guideway vehicle running velocity, the suffered aerodynamic drag of guideway vehicle also increases greatly.For reducing the aerodynamic drag in operational process, improve aerodynamic performance, high speed train adopts the capitiform of streamline contour, high-fineness ratio, but its headstock inner space of the train of this kind of capitiform is very little, in addition need to the equipment such as switching mechanism be installed at headstock front end, the installation of collision energy-absorbing structure is just more difficult.
On high speed train, most of energy absorption devices only adopt energy-absorbing hitch energy-absorbing at present, adopt anti-creeper anti-creep, but this mode is only applicable to wide flat, the train that slenderness ratio is little of head dummy.For the train of high-fineness ratio point fusiformis head dummy, the installation of hitch energy absorption device and anti-creeper is very difficult.
In the patent documentation that is 201320101269.X at Chinese application number, disclosing a kind of train front end with anti-climbing energy-absorbing device forms, by the end at draw beam, coupler pocket is set and at the lateral surface of coupler pocket, anti-climbing energy-absorbing device is set, anti-climbing energy-absorbing device is fixedly connected with the lateral surface of coupler pocket by mount pad, and its collision energy-absorbing process is hitch buffering energy-absorbing and anti-climbing energy-absorbing device distortion energy-absorbing.Its integral structure is flat structure, by hitch and Anti-creeping energy absorbing structural by the coupler pocket structure that links into an integrated entity, but the process of its distortion energy-absorbing is only hitch buffering energy-absorbing and anti-creep collapse energy-absorption, energy absorption is smaller, and coupler pocket rigidity is very large, not yielding, for high speed train, its energy absorption is easy to arrive and requires.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides and can improve energy absorption a kind of guideway vehicle front end energy absorption device of applicable high-fineness ratio, sharp shuttle capitiform guideway vehicle again.
For achieving the above object, technical scheme of the present invention is:
A kind of guideway vehicle front end energy absorption device, comprise Anti-creeping energy absorbing structural, hitch endergonic structure, also comprise main endergonic structure and guide frame, described hitch endergonic structure is fixedly connected with described main endergonic structure by coupler seat, described coupler seat is fixedly connected on the leading section of described main endergonic structure, described main endergonic structure and described guide frame are fixedly connected on the rigid wall of car body front end, described guide frame is at described main endergonic structure both sides and described main endergonic structure and described hitch endergonic structure sliding block joint, described Anti-creeping energy absorbing structural is fixedly connected on car body front end underframe.
Further, described main endergonic structure comprises energy-absorbing beam, front end-plate, lower back panel, supporting clapboard and backstop beam, hitch is set on the midway location of described front end-plate, lower back panel, supporting clapboard by mouth, the two ends of described energy-absorbing beam are fixedly connected with lower back panel with described front end-plate, described lower back panel is fixedly connected with the rigid wall of described car body front end, along described energy-absorbing beam, a plurality of described supporting clapboards are longitudinally vertically set, in the surrounding of described supporting clapboard, are fixedly connected with described backstop beam.
Further, the profile of described supporting clapboard is oblong, and the through hole suitable with the section profile of described energy-absorbing beam is set on described supporting clapboard, and described energy-absorbing beam stretches into described through hole and is fixedly connected with described supporting clapboard.
Further, described energy-absorbing beam adopts five pass materials, by four end cornues and middle connecting panel, formed, and be the integral structure section bar of extrusion forming.
Further, on described front end-plate and lower back panel, open respectively four described the first through holes with four end corresponding positions of cornue of energy-absorbing beam end described in each, described in each, the shape and size in four of the shape and size of the first through hole and described energy-absorbing beam-ends face end holes, angle are suitable.
Further, described in each, the two ends of four of energy-absorbing beam ends each connecting panel between cornues cave inward respectively and form the first induction groove, described in each on connecting panel, with respect to described supporting clapboard both sides, one second induction groove are respectively set.
Further, described backstop beam is connected to form side by side by three box girders, wherein between both sides box girder and intermediate box ellbeam, is bolted, and described intermediate box ellbeam is fixedly connected with described supporting clapboard.
Further, described backstop beam disconnects at the place, four end angles of described supporting clapboard, and the Connection Block at gap by box-shaped is fixedly connected with, and is fixedly connected with the first slide block on the side plate in the outside of described Connection Block.
Further, truss structure in the middle of described guide frame comprises and the C shape chute at two ends, described truss structure is fixedly connected with described C shape chute, the opening surface of described C shape chute is to described main endergonic structure, and described guide frame and described main endergonic structure are by described C shape chute and described the first slide block sliding block joint.
Further, the integrative-structure section bar that described guide frame is extrusion forming.
Further, described hitch endergonic structure comprises coupler seat and hitch, described coupler seat is the rectangle structure arranging along cross-car, in the both sides of described coupler seat, be respectively arranged with the second slide block, between described coupler seat and described guide frame, pass through described the second slide block and described C shape chute sliding block joint.
Further, at the midway location of described coupler seat, be fixedly connected with conquassation pipe, one end of described conquassation pipe is fixedly connected with described coupler seat, and the other end of described conquassation pipe stretches in described main endergonic structure and the described supporting clapboard place that is positioned at forefront.
In sum, a kind of guideway vehicle front end energy absorption device provided by the invention, compared with prior art, tool has the following advantages:
(1) by structure that main endergonic structure, hitch endergonic structure, Anti-creeping energy absorbing structural are combined into one, greatly increased the energy absorption of car body front end energy absorption device, make the distortion energy-absorbing that energy absorption device can stepped ordering, simultaneously by main endergonic structure, hitch endergonic structure and Anti-creeping energy absorbing structural are all arranged on the position of car body front end underframe, saved the upper space of car body front end underframe, make the installing space of the equipment such as car body front end switching mechanism larger, facilitated the installation of car body front end energy absorption device and other equipment of front end.
(2) the energy-absorbing beam of main endergonic structure adopts five pass materials, stability and intensity are better, energy absorption is larger, on energy-absorbing beam, be fixedly connected with supporting clapboard, difficult generation larger intentional deformation up or down, make two energy-absorbing beams can compatible deformation, in supporting clapboard surrounding, backstop beam is set, the distortion deviation of at the end correcting two energy-absorbing beams in the distortion of energy-absorbing beam, the deform in same pace that is conducive to two energy-absorbing beams, in addition, on energy-absorbing beam, arrange balance that induction groove is conducive to energy-absorbing beam in order, controllable deforming.
(3) guide frame play the guiding role to retreating of main endergonic structure and coupler seat, guide frame adopts integrated section bar simultaneously, strength and stiffness are better, be conducive to stop the horizontal intentional deformation of energy-absorbing beam, in addition, guide frame plays the effect that connects main endergonic structure and car body front end underframe.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is main endergonic structure schematic diagram of the present invention;
Fig. 3 is the induction groove position view on energy-absorbing beam of the present invention;
Fig. 4 is the schematic diagram that supporting clapboard of the present invention is connected with guide frame;
Fig. 5 is the schematic diagram that coupler seat of the present invention is connected with guide frame;
Fig. 6 is the sectional schematic diagram of guide frame of the present invention;
Fig. 7 is energy-absorbing sequence of operation one of the present invention;
Fig. 8 is energy-absorbing sequence of operation two of the present invention;
Fig. 9 is energy-absorbing sequence of operation three of the present invention;
Figure 10 is energy-absorbing sequence of operation four of the present invention.
As shown in Figures 1 to 10, hitch endergonic structure 1, Anti-creeping energy absorbing structural 2, main endergonic structure 3, guide frame 4, coupler seat 5, rigid wall 6, front end underframe 7, energy-absorbing beam 8, front end-plate 9, lower back panel 10, supporting clapboard 11, backstop beam 12, through hole 13, end cornue 14, connecting panel 15, the first induction groove 16, the second induction groove 16a, hitch is by mouth 17, hitch 18, both sides box beam 19, middle box beam 20, Connection Block 21, welding arm 22, welding arm 23, tie-beam 24, the 4th brace panel 25, the first slide block 26, boss 26a, spring steel 26b, the first through hole 27, backing plate 28, energy disperser 29, truss structure 30, C shape chute 31, triangular groove 32, the first defect groove 33, the second defect groove 34, energy absorbing tube 35, anti-climbing tooth 36, front end riser 37, mount pad 38, edge beam of underframe 39, stiffening plate 40, breach 41, boss 42, brace panel 43, conquassation pipe 44, seat board 45, gusset 46, the first riser 47, the second riser 48, the 3rd brace panel 49, slide block mount pad 50, hitch is by mouth 51, groove 52, stay bearing plate 53, flange 54, boss 55, the second slide block 56.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
As shown in Figure 1, a kind of guideway vehicle front end energy absorption device, comprise hitch endergonic structure 1, Anti-creeping energy absorbing structural 2, main endergonic structure 3 and guide frame 4, wherein, hitch endergonic structure 1 is fixedly connected with main endergonic structure 3 by coupler seat 5, and main endergonic structure 3 and guide frame 4 are fixedly connected on the rigid wall 6 of car body front end, guide frame 4 is at both sides and main endergonic structure 3 and hitch endergonic structure 1 sliding block joint of main endergonic structure 3, and Anti-creeping energy absorbing structural 2 is fixed on car body front end underframe 7.
As shown in Figure 2, main endergonic structure 3 comprises energy-absorbing beam 8, front end-plate 9, lower back panel 10, supporting clapboard 11, backstop beam 12.
As shown in Figures 2 to 4, it is two that energy-absorbing beam 8 be arranged in parallel along car body longitudinal (being vehicle operating direction), the two ends of energy-absorbing beam 8 are fixedly connected with lower back panel 10 with front end-plate 9, between lower back panel 10 and car body front end rigid wall 6, be bolted, along energy-absorbing beam 8, several supporting clapboards 11 are longitudinally set, in the present embodiment according to car body front end size, two supporting clapboards 11 are set, the position being connected with energy-absorbing beam 8 on supporting clapboard 11 arranges through hole 13 accordingly, through hole 13 is suitable with the profiled outline of energy-absorbing beam 8, energy-absorbing beam 8 is welded to connect through through hole 13 and supporting clapboard 11, this connection mode can make two energy-absorbing beam 8 deform in same pace.In the present embodiment, from cost of manufacture, consider, supporting clapboard 11 is divided into upper and lower two parts, between upper and lower two parts, be welded to connect, if supporting clapboard 11 is structure as a whole, while making, the extruding of section bar is required very harsh, economical not.
Energy-absorbing beam 8 preferably adopts five pass materials, and five pass materials are connected to form by the connecting panel 15 between four end cornues 14 and adjacent two end cornues 14, are the profile structure of monolithic extruded moulding.Selecting five pass materials is because five pass materials are than independent pipe or square tube good stability, difficult generation larger intentional deformation radially, in addition, the section bar intensity of an extrusion forming is also relatively good, and during collision, the deformation area of five pass materials is also larger, and energy absorption is larger, and the space that five pass materials take is simultaneously relatively little.
The size of five pass materials mainly determines by end spaces before car body, and the in the situation that before car body, end spaces allowing, the overall dimensions of five pass materials should be large as far as possible, and the cross section conference of five pass materials is more conducive to stablize.
The value of the wall thickness of five pass materials will meet requirement of strength, wherein first to meet the normal operating needs of hitch, the present invention meets the requirement of European standard EN12663 standard, under the prerequisite of operating needs that meets hitch, also need to meet the platform power requirement of many-body dynamics to main endergonic structure, in the present embodiment, the platform power of every five pass materials is 1100KN.
As shown in Figure 3, several induction grooves are set on each energy-absorbing beam 8, the shape of induction groove can be Long Circle, circular, semicircle, square, prismatic etc., induction groove is arranged on two ends and near the position of supporting clapboard 11 of four connecting panels 15 of five pass materials, wherein the induction groove at connecting panel 15 two ends is the first induction groove 16, by connecting panel 15 ends, cave inward and form, being positioned near supporting clapboard 11 induction grooves is the second induction groove 16a, pass through simulation calculation, determined the position of induction groove, shape and relative dimensions, be enough to guarantee the orderly controllable deforming of energy-absorbing beam 8.
The position of induction groove is not limited on the connecting panel 15 of five pass materials, also can be arranged on end cornue 14, in the present embodiment, induction groove being arranged on connecting panel 15 is because five pass materials are maximum in the rigidity at connecting panel 15 places, the rigidity that induction groove can reduce connecting panel 15 is set, be conducive to the distortion of energy-absorbing beam 8, concrete technical personnel can be according to the particular case calculative determination of train.When induction groove as far as possible can make distortion reach near supporting clapboard 11 near supporting clapboard 11, energy-absorbing beam 8 is more yielding in the part of supporting clapboard 11 both sides, thereby supporting clapboard 11 can be drawn back than being easier to, make energy-absorbing beam 8 more easily carry out next step distortion, and supporting clapboard 11 can deformed damaged.
As shown in Figure 2, hitch is set by mouth 17 at the midway location place of supporting clapboard 11, front end-plate 9 and lower back panel 10, the passage that while being used for colliding, hitch 18 retreats, hitch can be by being as the criterion with hitch 18 by shape and the size of mouth 17, because the coupler body of hitch 18 is circular, so in the present embodiment, adopt circular hitch by mouthfuls 17.
With respect to two supporting clapboards 11, two groups of backstop beams 12 are set, backstop beam 12 is arranged on the surrounding of supporting clapboard 11 and is fixedly connected with supporting clapboard 11, backstop beam 12 is connected to form side by side by three box beam, comprises both sides box beam 19 and intermediate box ellbeam 20, is bolted between the two.Be arranged on middle middle box beam 20 with the monolithic extruded moulding of supporting clapboard 11 or be welded together, backstop beam 12 disconnects at place, four end angles, at place, end angle, by the Connection Block 21 of box-shaped, connect, the position of the side plate in the outside of Connection Block 21 is beyond the vertical backstop beam 12 of both sides, avoid the contacts side surfaces of the vertical backstop beam in both sides 12 and guide frame 4, thereby prevent from producing the performance that friction force hinders main endergonic structure 3 energy absorption ability when main endergonic structure 3 retreats distortion.
As shown in Figure 4, the side plate in the outside of Connection Block 21 is fixedly connected with the first slide block 26, between Connection Block 21 and the first slide block 26, by bolt, is fixedly connected with pad.The first slide block 26 is rectangular structure, at one epitaxial lateral overgrowth, stretch out the boss 26a that runs through whole the first slide block 26 length, at relative opposite side, be bolted spring steel 26b, the boss 26a of the first slide block 26 is fixedly connected with the side plate of Connection Block 21 by bolt towards main endergonic structure 3.
As shown in Figure 2, in supporting clapboard 11 surroundings, backstop beam 12 is set, and adopted the structure of three box girder combinations, make the width of backstop beam 12 be greater than supporting clapboard 11, better balance is corrected the incoordination of energy-absorbing beam 8, and the intensity of box beam in various section bars is also larger, therefore select the backstop beam 12 of this kind of form can make deformation process orderly, controlled.The selection of the section bar specification of backstop beam 12 should not wasted under the prerequisite of energy-absorbing stroke as far as possible, can suppress the asynchronous of two energy-absorbing beam 8 compressive deformations, guarantee that five pass materials below can controllable deforming, when the wall thickness of backstop beam 12 meets between backstop beam 12 collision contact, backstop beam 12 itself does not deform simultaneously.
Preferably with bolts between three box beam of backstop beam 12, the pad that can use by hold-down bolt with this is adjusted the parallelism between supporting clapboard 11, is conducive to the process of steady-state deformation energy-absorbing.And the welding capacity of each supporting clapboard 11 is larger, supporting clapboard 11 inevitably can produce distortion, be therefore bolted than be easier to adjust size makes can be parallel between backstop beam 12, be conducive to the synchronism of two energy-absorbing beams, 8 distortion.
On front end-plate 9 and lower back panel 10, open the first through hole 27, the first through hole 27 arranges respectively four on front end-plate 9 and lower back panel 10 with on four of each the energy-absorbing beam 8 end end corresponding positions of cornue 14, and the shape and size of the end cornue 14 of the shape and size of each the first through hole 27 and energy-absorbing beam 8 end faces are suitable.
At each energy-absorbing beam 8 two ends, a backing plate 28 is set respectively, backing plate 28 adopts half V welding manner to be fixedly connected with lower back panel 10 with front end-plate 9, and backing plate 28 plays as permanent backing plate the effect that improves welding quality therein.The two ends of energy-absorbing beam 8 are concordant with the outside of lower back panel 10 with front end-plate 9.
As Fig. 1, 4, 5, shown in 6, guide frame 4 is welded on car body front end rigid wall 6, section bar for the integrative-structure of extrusion molding, its length is until coupler seat 5 front ends from car body front end rigid wall 6, truss structure 30 in the middle of the structure of its section bar comprises and the C shape chute 31 at two ends, the opening surface of C shape chute 31 is to main endergonic structure 3, guide frame 4 passes through C shape chute 31 and the first slide block 26 sliding block joints with main endergonic structure 3, cave in backward in the middle part of guide frame 4 front end faces, form triangular groove 32 with the two ends up and down of end face, the rear endvertex of triangular groove 32 certain length that extends back, form the first defect groove 33 of strip shape, before front end underframe 7, certain length is extended respectively at the two ends up and down at guide frame 4 middle parts to middle part, form the second defect groove 34, the triangular groove 32 of guide frame 4 and the first defect groove 33, the setting of the second defect groove 34 can allow guide frame 4 retreat with the distortion of main endergonic structure 3 and tears distortion, the rigidity that prevents guide frame the last 4 hinders main endergonic structure 3 and retreats distortion.
In order to prevent that guide frame 4 inside from entering water, dust and other impurities, the triangular groove of guide frame 4 32, the first defect groove 33, the second defect groove 34 covered to sealing with sheet metal, wherein triangular groove 32 can cover two inclined-planes by sheet metal and seals, and the leading section that also can vertically be connected to whole triangular groove 32 by sheet metal seals.Guide frame 4 passes through C shape chute 31 and the first slide block 26 sliding block joints with main endergonic structure 3, when being subject to collision deformation, main endergonic structure 3 can produce relative displacement by the first slide block 26 and guide frame 4, the endergonic process of main endergonic structure 3 can be affected, energy absorption ability can normally be brought into play, when train normally travels, spring steel 26b on the first slide block 26 can increase the friction force between main endergonic structure 3 and guide frame 4, makes the connection between main endergonic structure 3 and guide frame 4 more stable.
As shown in Figure 1, Anti-creeping energy absorbing structural 2 is comprised of two energy absorbing tubes 35 and two groups of anti-climbing teeth 36, in one end of each energy absorbing tube 35, be fixedly connected with one group of anti-climbing tooth 36, the other end of energy absorbing tube 35 is fixedly connected with the front end riser 37 of car body front end underframe 7, after the front end riser 37 that Anti-creeping energy absorbing structural 2 connects therewith, need to have and can hold the space that energy absorbing tube 35 retreats, the position being connected with front end riser 37 at energy absorbing tube 35 arranges mount pad 38, mount pad 38 is bolted on front end riser 37, bite (not shown) is radially set on mount pad 38, when energy absorbing tube 35 retreats, bite cutting energy absorbing tube 35 absorbs energy.During collision, a part for bite cutting energy absorbing tube 35 wall thickness, remaining part retreats to the space at front end riser 37 rear portions.
For meeting the requirement of European standard EN15227, distance between two Anti-creeping energy absorbing structurals 2 is set as 1750mm, the main endergonic structure 3 of intermediate arrangement of two Anti-creeping energy absorbing structurals 2, main endergonic structure 3 is connected on car body front end rigid wall 6 by lower back panel 10 use bolts, while hitch 18 stretches into main endergonic structure 3 and is fixedly connected with main endergonic structure 3, such layout can also make the center of effort of whole energy absorption device on the height of coupler centre line, is conducive to the performance of the transmission of power and the energy-absorbing effect of main energy absorption device 3.
Horizontal one end and the guide frame 4 of the front end riser 37 being connected with Anti-creeping energy absorbing structural 2 are welded to connect, the other end and edge beam of underframe 39 are welded to connect, the stiffening plate 40 of horizontal direction is set at the rear portion of front end riser 37, stiffening plate 40 respectively arranges one in top and the bottom of front end riser 37 respectively, the front end of stiffening plate 40 and front end riser 37 are welded to connect, the both sides of stiffening plate 40 are welded to connect with guide frame 4 and edge beam of underframe 39 respectively, in the rear end of stiffening plate 40, breach 41 is set, for bolt connection seat 38 provides operational space.
Hitch endergonic structure 1 comprises coupler seat 5, hitch 18, conquassation pipe 44, and coupler seat 5 is the rectangle structure arranging along cross-car, comprises seat board 45, gusset 46, the first riser 47, the second riser 48, the 3rd brace panel 49, slide block mount pad 50.
As shown in Figure 1 and Figure 5, seat board 45 vertically arranges along cross-car, be fixedly connected on front end-plate 9, midway location at seat board 45 arranges hitch by mouth 51, gusset 46 is longitudinally fixedly connected on the front side of seat board 45, the first riser 47 longitudinally arranges and is fixedly connected with seat board 45 at the two ends, front side of seat board 45, the top of seat board 45 and bottom cave inward respectively and form trapezoidal or rectangular groove 52, on each limit of groove 52, be fixedly connected with the stay bearing plate 53 of horizontal direction, the second riser 48 is fixedly connected in the back side edge of stay bearing plate 53, the position of the second riser 48 protrudes from seat board 45 backward, the 3rd brace panel 49 is fixedly connected between stay bearing plate 53 and the second riser 48, the vertical position of the 3rd brace panel 49 is identical with the vertical position of the backstop beam 12 arranging along cross-car, on stay bearing plate 53, by the corresponding position of mouth 51, extend forward flange 54 with hitch, on flange 54, have the first pin-and-hole, slide block mount pad 50 has the rectangle structure of boss 55 for two, brace panel 43 is extended to the middle part of coupler seat 5 respectively in two ends up and down at slide block mount pad 50, the other end of brace panel 43 is fixedly connected with stay bearing plate 53, position in the middle of two boss 55 of slide block mount pad 50 is bolted in the first riser 47 outsides, arranged outside the second slide block 56 at slide block mount pad 50, the structure of the second slide block 56 is identical with the first slide block 26, one epitaxial lateral overgrowth of the second slide block 56 stretches out the boss 42 that runs through the second slide block 56 length, the boss 42 of the second slide block 56 inwardly and between the boss 55 of slide block mount pad 50 is bolted, between coupler seat 5 and guide frame 4, pass through the second slide block 56 and C shape chute 31 sliding block joints.
Slide block mount pad 50 is designed to two, and to have the structure of boss 55 be when avoiding colliding, and the part of slide block mount pad 50 between boss 55 rubs with guide frame 4, increases the resistance that coupler seat 5 retreats.
While bumping, main endergonic structure 3 deforms while contacting with backstop beam 12 to coupler seat 5, the 3rd brace panel 49 and the second riser 48 can withstand backstop beam 12, because stay bearing plate 53 and the second riser 48 protrude from seat board 45 rear sides, when deforming, energy-absorbing beam 8 can stop the larger distortion of accident of energy-absorbing beam 8.
Midway location at seat board 45 is fixedly connected with conquassation pipe 44, conquassation pipe 44 is fixedly connected with gusset 46 with seat board 45 through seat board 45, the other end of conquassation pipe 44 stretches into supporting clapboard 11 places adjacent with front end-plate 9 in main endergonic structure 3, on conquassation pipe 44, on the position of the first pin-and-hole of corresponding flange 54, the second pin-and-hole is set, the 3rd pin-and-hole is set on hitch 18, and hitch 18 is fixedly connected with coupler seat 5 by shear pin (not shown), the first pin-and-hole, the second pin-and-hole, the 3rd pin-and-hole.
Because the distance between two Anti-creeping energy absorbing structurals 2 is larger, the two ends of coupler seat 5 are connected with guide frame 4 again, the lateral length of coupler seat 5 can be long, can cause like this Rigidity and strength of coupler seat 5 greatly to reduce, to the load-carrying capacity of hitch 18, will reduce, therefore for strengthening to greatest extent the Rigidity and strength of coupler seat 5, the gusset 46 of horizontal direction is set in seat board 45 front sides, and by between all parts in coupler seat 5 and be made of one the foundry goods of structure between coupler seat 5 and conquassation pipe 44, the material of coupler seat 5 and conquassation pipe 44 is preferably cast steel.
As shown in Figure 1, because whole energy absorption device is flat, elongated structure, need the structure of strengthening whole energy absorption device to reduce the vibration of its above-below direction when normally moving and colliding as far as possible, reinforcement mode is rear the 4th brace panel 25 that arranges respectively of the second defect groove 34 at two guide frame 4 middle parts, the 4th brace panel 25 has been strengthened the Joint strenght of energy absorption device and rigid wall, and has stoped the bending distortion of the above-below direction of energy absorption device.For the stability of saving space and increasing energy absorption device, the 4th brace panel 25 adopts top short, the right-angled trapezium metal sheet that bottom is long, its square edge is connected with the welded top of guide frame 4 with car body front end rigid wall 6 respectively, between two the 4th brace panels 25, weld two tie-beams 24 to support the 4th brace panel 25, because the top margin of the 4th brace panel 25 is shorter, base is longer, position at the top of the 4th brace panel 25 and the hypotenuse of close the 4th brace panel 25 respectively arranges a tie-beam 24, position and dimensional restriction due to tie-beam 24, between two tie-beams 24, vertically arrange.
As shown in Fig. 1 and Fig. 6, for meeting the requirement of European standard, can upper and lower two welding arms 22 will be extended respectively in two guide frames 4 towards the side of edge beam of underframe 39, each welding arm 22 is connected with stiffening plate 40 butt welding after front end riser 37, end face and the bottom surface of two guide frames 4 are extended respectively two welding arms 23 up and down simultaneously, the welding arm 23 at two tops of each guide frame 4 is connected with the 4th brace panel 25 butt welding on its top jointly, and the welding arm 23 of two bottoms is connected with the vehicle body bottom frame butt welding of its underpart jointly.
In all parts of the energy absorption device in the present embodiment, adopt the aluminum alloy material that weight is light, intensity is larger as far as possible, wherein coupler seat 5 and conquassation pipe 44 adopt cast steel, and hitch 18, shear pin, spring steel 26b adopt carbon steel, and miscellaneous part all adopts aluminum alloy material.
While bumping, the distortion endergonic process of whole energy absorption device is divided into following steps:
The first step, as shown in Figure 7 and Figure 8, hitch 18 contact-impact power generations shearing backward, shearing greatly to a certain extent rear hitch 18 can be cut off shear pin, and energy disperser 29 pressurizeds enter conquassation pipe 44, conquassation pipe 44 expansion absorption energy.
Second step, as shown in Figure 9, if after conquassation pipe 44 expansion absorption energy finish, collision energy is not all consumed, hitch 18 pushes backward by energy disperser 29 pipe 44 of bursting conquassation pipe 44 is retreated, and drives coupler seat 5 to retreat simultaneously, and now main endergonic structure 3 deformation in compressions retreat.
The 3rd step, as shown in figure 10, if after main endergonic structure 3 distortion finishes, collision energy is not all consumed, hitch 18 pressurizeds continue to retreat through conquassation pipe 44, and the energy absorbing tube 35 in Anti-creeping energy absorbing structural 2 retreats simultaneously, and cutting energy-absorbing occurs.
In the present embodiment, the energy-absorbing beam 8 of main endergonic structure 3 adopts five pass materials, stability and intensity are better, energy absorption is larger, the impulsive force that each energy-absorbing beam 8 can bear reaches 1100KN, and be difficult for producing larger intentional deformation up or down, the setting of supporting clapboard 11 makes two energy-absorbing beams 8 can deform in same pace, in supporting clapboard 11 surroundings, backstop beam 12 is set, the distortion deviation of at the end correcting two energy-absorbing beams 8 in 8 distortion of energy-absorbing beam, the compatible deformation that is conducive to energy-absorbing beam 8, in addition, induction groove 16 is set on energy-absorbing beam 8 and is conducive to the orderly of energy-absorbing beam 8, controllable deforming.
4 pairs of main endergonic structures 3 of guide frame and retreating of coupler seat 5 play the guiding role, guide frame 4 adopts the section bar of integrative-structure simultaneously, strength and stiffness are better, be conducive to stop the horizontal intentional deformation of energy-absorbing beam 8, triangular groove 32, the first defect groove 33, the second defect groove 34 arranging on guide frame 4 can make guide frame 4 with main endergonic structure 3 distortion, can not hinder retreating of main endergonic structure 3.In addition, guide frame 4 plays the effect that connects main endergonic structure 3 and car body front end underframe 7.
Coupler seat 5 adopts integrated structure, firmer, the gusset 46 longitudinally arranging prevents the radial deformation of hitch 18, the 3rd brace panel 49 at coupler seat 5 tops plays backstop action when coupler seat 5 retreats to backstop beam 12 place, stop coupler seat 5 distortion and continue to retreat, the conquassation pipe 44 being structure as a whole with coupler seat 5 energy-absorbing that expands when collision, has strengthened the Joint strenght between slide block and coupler seat 5 by slide block mount pad 50 is set.
The 4th brace panel 25 between guide frame 4 and car body front end rigid wall 6 has been strengthened the Joint strenght between energy absorption device and rigid wall 6, and stoped the bending distortion of the above-below direction of energy absorption device, guide frame 4 and the 4th brace panel 25 have been stablized energy absorption device on the whole, have prevented the above-below direction of energy absorption device and horizontal distortion.
This car body front end energy absorption device is by by main endergonic structure 3, hitch endergonic structure 1, Anti-creeping energy absorbing structural 2 structure that is combined into one, greatly increased the energy absorption of car body front end energy absorption device, its energy that can absorb reaches 4.6MJ left and right, and can make the distortion energy-absorbing that energy absorption device can stepped ordering, simultaneously by by main endergonic structure 3, hitch endergonic structure 1 and Anti-creeping energy absorbing structural 2 are all arranged on the position of car body front end underframe 7, saved the upper space of car body front end underframe 7, make the installing space of the equipment such as car body front end switching mechanism larger, facilitated the installation of car body front end energy absorption device and other equipment of front end.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not depart from technical solution of the present invention, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.
Claims (12)
1. a guideway vehicle front end energy absorption device, comprise Anti-creeping energy absorbing structural, hitch endergonic structure, it is characterized in that: also comprise main endergonic structure and guide frame, described hitch endergonic structure is fixedly connected with described main endergonic structure by coupler seat, described coupler seat is fixedly connected on the leading section of described main endergonic structure, described main endergonic structure and described guide frame are fixedly connected on the rigid wall of car body front end, described guide frame is at described main endergonic structure both sides and described main endergonic structure and described hitch endergonic structure sliding block joint, described Anti-creeping energy absorbing structural is fixedly connected on car body front end underframe.
2. a kind of guideway vehicle front end energy absorption device according to claim 1, it is characterized in that: described main endergonic structure comprises energy-absorbing beam, front end-plate, lower back panel, supporting clapboard and backstop beam, hitch is set on the midway location of described front end-plate, lower back panel, supporting clapboard by mouth, the two ends of described energy-absorbing beam are fixedly connected with lower back panel with described front end-plate, described lower back panel is fixedly connected with the rigid wall of described car body front end, along described energy-absorbing beam, a plurality of described supporting clapboards are longitudinally vertically set, in the surrounding of described supporting clapboard, are fixedly connected with described backstop beam.
3. a kind of guideway vehicle front end energy absorption device according to claim 2, it is characterized in that: the profile of described supporting clapboard is oblong, the through hole suitable with the section profile of described energy-absorbing beam is set on described supporting clapboard, and described energy-absorbing beam stretches into described through hole and is fixedly connected with described supporting clapboard.
4. a kind of guideway vehicle front end energy absorption device according to claim 2, is characterized in that: described energy-absorbing beam adopts five pass materials, by four end cornues and middle connecting panel, formed, and be the integral structure section bar of extrusion forming.
5. a kind of guideway vehicle front end energy absorption device according to claim 4, it is characterized in that: on described front end-plate and lower back panel, open respectively four described the first through holes with four end corresponding positions of cornue of energy-absorbing beam end described in each, described in each, the shape and size in four of the shape and size of the first through hole and described energy-absorbing beam-ends face end holes, angle are suitable.
6. a kind of guideway vehicle front end energy absorption device according to claim 4, it is characterized in that: the two ends of four of energy-absorbing beam ends each connecting panel between cornues cave inward respectively and form the first induction groove described in each, described in each on connecting panel, with respect to described supporting clapboard both sides, one second induction groove is respectively set.
7. a kind of guideway vehicle front end energy absorption device according to claim 2, it is characterized in that: described backstop beam is connected to form side by side by three box girders, wherein between both sides box girder and intermediate box ellbeam, be bolted, described intermediate box ellbeam is fixedly connected with described supporting clapboard.
8. a kind of guideway vehicle front end energy absorption device according to claim 2, it is characterized in that: described backstop beam disconnects at the place, four end angles of described supporting clapboard, Connection Block at gap by box-shaped is fixedly connected with, and is fixedly connected with the first slide block on the side plate in the outside of described Connection Block.
9. a kind of guideway vehicle front end energy absorption device according to claim 8, it is characterized in that: the truss structure in the middle of described guide frame comprises and the C shape chute at two ends, described truss structure is fixedly connected with described C shape chute, the opening surface of described C shape chute is to described main endergonic structure, and described guide frame and described main endergonic structure are by described C shape chute and described the first slide block sliding block joint.
10. a kind of guideway vehicle front end energy absorption device according to claim 9, is characterized in that: the integrative-structure section bar that described guide frame is extrusion forming.
11. a kind of guideway vehicle front end energy absorption devices according to claim 9, it is characterized in that: described hitch endergonic structure comprises coupler seat and hitch, described coupler seat is the rectangle structure arranging along cross-car, in the both sides of described coupler seat, be respectively arranged with the second slide block, between described coupler seat and described guide frame, pass through described the second slide block and described C shape chute sliding block joint.
12. a kind of guideway vehicle front end energy absorption devices according to claim 11, it is characterized in that: the midway location at described coupler seat is fixedly connected with conquassation pipe, one end of described conquassation pipe is fixedly connected with described coupler seat, and the other end of described conquassation pipe stretches in described main endergonic structure and is positioned at the described supporting clapboard place of forefront.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488975.9A CN103625502B (en) | 2013-10-18 | 2013-10-18 | A kind of rail vehicle front end energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310488975.9A CN103625502B (en) | 2013-10-18 | 2013-10-18 | A kind of rail vehicle front end energy absorption device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103625502A true CN103625502A (en) | 2014-03-12 |
| CN103625502B CN103625502B (en) | 2016-05-25 |
Family
ID=50207061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310488975.9A Active CN103625502B (en) | 2013-10-18 | 2013-10-18 | A kind of rail vehicle front end energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103625502B (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863350A (en) * | 2014-04-08 | 2014-06-18 | 中南大学 | Composite energy absorption structure and vehicle chassis structure |
| CN104787073A (en) * | 2015-03-26 | 2015-07-22 | 长春轨道客车股份有限公司 | Head-train under carriage end structure of high speed EMU |
| CN104908772A (en) * | 2015-06-30 | 2015-09-16 | 南车株洲电力机车有限公司 | Locomotive |
| CN105109512A (en) * | 2015-07-01 | 2015-12-02 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and head-car barrier removal piece thereof |
| CN106364520A (en) * | 2016-09-28 | 2017-02-01 | 中南大学 | Method and system for protecting trains against collisions |
| CN106364522A (en) * | 2016-10-21 | 2017-02-01 | 中车青岛四方机车车辆股份有限公司 | Vehicle hook assembly and railway vehicle with same |
| CN106379368A (en) * | 2016-10-21 | 2017-02-08 | 中车青岛四方机车车辆股份有限公司 | Draw gear assembly and rail vehicle with draw gear assembly |
| WO2017054567A1 (en) * | 2015-09-30 | 2017-04-06 | 中车青岛四方机车车辆股份有限公司 | Energy absorption device and rail vehicle having same |
| CN106672010A (en) * | 2016-11-22 | 2017-05-17 | 中车长春轨道客车股份有限公司 | Motor train unit head train passive safety protection device |
| CN107600102A (en) * | 2017-09-26 | 2018-01-19 | 西南交通大学 | A kind of three-dimensional multistage energy absorption device of rail vehicle |
| CN107914728A (en) * | 2017-11-14 | 2018-04-17 | 中车长春轨道客车股份有限公司 | The front end energy absorption device of railcar |
| CN108466631A (en) * | 2018-03-12 | 2018-08-31 | 中车株洲电力机车有限公司 | A kind of buffering energy-absorbing coupler pocket and track train |
| CN109080657A (en) * | 2018-08-30 | 2018-12-25 | 中车株洲电力机车有限公司 | Rail vehicle and its coupler pocket |
| CN110281969A (en) * | 2019-07-18 | 2019-09-27 | 中南大学 | A kind of frictional rail vehicle energy-absorbing anti-creeper |
| WO2019223257A1 (en) * | 2018-05-24 | 2019-11-28 | 中车株洲电力机车有限公司 | Rail vehicle and collision energy absorption system therefor |
| CN110588705A (en) * | 2019-10-16 | 2019-12-20 | 中车株洲电力机车有限公司 | Support structure of slow hook device and rail vehicle |
| US10518789B2 (en) | 2016-10-21 | 2019-12-31 | Crrc Qingdao Sifang Co., Ltd. | Coupling assembly and rail vehicle having same |
| WO2020173436A1 (en) * | 2019-02-26 | 2020-09-03 | 中车长春轨道客车股份有限公司 | Vehicle and vehicle body collision energy absorption device thereof |
| CN111845830A (en) * | 2020-08-25 | 2020-10-30 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy-absorbing device and rail train |
| CN112389487A (en) * | 2019-08-14 | 2021-02-23 | 中车唐山机车车辆有限公司 | Energy absorption device and railway vehicle |
| WO2021051452A1 (en) * | 2019-09-18 | 2021-03-25 | 中车南京浦镇车辆有限公司 | Anti-collision structure for front end of railway vehicle chassis |
| WO2021114346A1 (en) * | 2019-12-13 | 2021-06-17 | 中车唐山机车车辆有限公司 | Rail vehicle, and vehicle body and end underframe thereof |
| CN112977524A (en) * | 2019-12-16 | 2021-06-18 | 中车唐山机车车辆有限公司 | Rail vehicle and vehicle end energy absorption structure thereof |
| AU2018439289B2 (en) * | 2018-08-30 | 2021-09-16 | Crrc Zhuzhou Locomotive Co., Ltd. | Rail vehicle and coupling box thereof |
| CN113479157A (en) * | 2021-07-14 | 2021-10-08 | 广东乾行达汽车安全科技有限公司 | Anti-collision buffer device |
| CN113588291A (en) * | 2021-08-06 | 2021-11-02 | 江苏蔚之领域智能科技有限公司 | High-speed test bed vibration reduction base based on negative Poisson ratio structure |
| WO2022088780A1 (en) * | 2020-10-27 | 2022-05-05 | 中车青岛四方机车车辆股份有限公司 | Vehicle body collision energy absorption structure and rail vehicle |
| WO2023115868A1 (en) * | 2021-12-23 | 2023-06-29 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740966A (en) * | 2016-12-15 | 2017-05-31 | 中车山东机车车辆有限公司 | A kind of vehicle buffer connecting rods and its application |
| DE102021203426A1 (en) | 2021-04-07 | 2022-10-13 | Siemens Mobility GmbH | Rail vehicle with central buffer coupling |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802100A1 (en) * | 1996-04-19 | 1997-10-22 | De Dietrich Ferroviaire | Railway vehicle with a driverscompartment having an energy absorbing structure with progressive deformation |
| EP1900593A2 (en) * | 2006-09-15 | 2008-03-19 | Fahrzeugtechnik Dessau AG - Railroad Technologies - | Rail vehicle with crash equipment |
| EP2011713A1 (en) * | 2007-06-20 | 2009-01-07 | ANSALDOBREDA S.p.A. | Collapsible element for absorbing energy in case of collision in a railway vehicle |
| CN101801756A (en) * | 2007-09-20 | 2010-08-11 | 奥地利西门子公司 | Crash module for a rail vehicle |
| KR20110096300A (en) * | 2010-02-22 | 2011-08-30 | 현대로템 주식회사 | Crush energy absorbent structure for railway vehicle having slip type end structure and crush energy absorbent device |
| CN102216141A (en) * | 2008-09-15 | 2011-10-12 | 福伊特专利公司 | Vehicle front-end for mounting to the front face of a track-bound vehicle, in particular a rail vehicle |
| CN103101553A (en) * | 2013-03-06 | 2013-05-15 | 南车南京浦镇车辆有限公司 | Front-end train assembly with anti-creeping energy-absorbing device |
| CN203612011U (en) * | 2013-10-18 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Front end energy-absorbing device for railway vehicle |
-
2013
- 2013-10-18 CN CN201310488975.9A patent/CN103625502B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802100A1 (en) * | 1996-04-19 | 1997-10-22 | De Dietrich Ferroviaire | Railway vehicle with a driverscompartment having an energy absorbing structure with progressive deformation |
| EP1900593A2 (en) * | 2006-09-15 | 2008-03-19 | Fahrzeugtechnik Dessau AG - Railroad Technologies - | Rail vehicle with crash equipment |
| EP2011713A1 (en) * | 2007-06-20 | 2009-01-07 | ANSALDOBREDA S.p.A. | Collapsible element for absorbing energy in case of collision in a railway vehicle |
| CN101801756A (en) * | 2007-09-20 | 2010-08-11 | 奥地利西门子公司 | Crash module for a rail vehicle |
| CN102216141A (en) * | 2008-09-15 | 2011-10-12 | 福伊特专利公司 | Vehicle front-end for mounting to the front face of a track-bound vehicle, in particular a rail vehicle |
| KR20110096300A (en) * | 2010-02-22 | 2011-08-30 | 현대로템 주식회사 | Crush energy absorbent structure for railway vehicle having slip type end structure and crush energy absorbent device |
| CN103101553A (en) * | 2013-03-06 | 2013-05-15 | 南车南京浦镇车辆有限公司 | Front-end train assembly with anti-creeping energy-absorbing device |
| CN203612011U (en) * | 2013-10-18 | 2014-05-28 | 南车青岛四方机车车辆股份有限公司 | Front end energy-absorbing device for railway vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 张斌瑜等: "吸能防爬器结构槽孔形状优化", 《机械设计》 * |
| 李兰等: "城轨车辆耐碰撞结构的数字设计研究", 《铁道机车车辆》 * |
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103863350A (en) * | 2014-04-08 | 2014-06-18 | 中南大学 | Composite energy absorption structure and vehicle chassis structure |
| CN103863350B (en) * | 2014-04-08 | 2016-08-17 | 中南大学 | A kind of combined type endergonic structure and floor underframe for vehicle structure |
| CN104787073A (en) * | 2015-03-26 | 2015-07-22 | 长春轨道客车股份有限公司 | Head-train under carriage end structure of high speed EMU |
| CN104908772A (en) * | 2015-06-30 | 2015-09-16 | 南车株洲电力机车有限公司 | Locomotive |
| CN105109512A (en) * | 2015-07-01 | 2015-12-02 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and head-car barrier removal piece thereof |
| WO2017054567A1 (en) * | 2015-09-30 | 2017-04-06 | 中车青岛四方机车车辆股份有限公司 | Energy absorption device and rail vehicle having same |
| JP2018529572A (en) * | 2015-09-30 | 2018-10-11 | 中▲車▼青▲島▼四方▲機車車▼輌股▲分▼有限公司Ｃｒｒｃ Ｑｉｎｇｄａｏ Ｓｉｆａｎｇ Ｃｏ．， Ｌｔｄ． | Energy absorbing device and railway vehicle including the energy absorbing device |
| US11021176B2 (en) * | 2015-09-30 | 2021-06-01 | Crrc Qingdao Sifang Co., Ltd. | Energy absorption device and rail vehicle having same |
| CN106364520A (en) * | 2016-09-28 | 2017-02-01 | 中南大学 | Method and system for protecting trains against collisions |
| CN106364522A (en) * | 2016-10-21 | 2017-02-01 | 中车青岛四方机车车辆股份有限公司 | Vehicle hook assembly and railway vehicle with same |
| CN106379368A (en) * | 2016-10-21 | 2017-02-08 | 中车青岛四方机车车辆股份有限公司 | Draw gear assembly and rail vehicle with draw gear assembly |
| CN106379368B (en) * | 2016-10-21 | 2018-05-25 | 中车青岛四方机车车辆股份有限公司 | Draft gear assemblies and the rail vehicle with the draft gear assemblies |
| US10518789B2 (en) | 2016-10-21 | 2019-12-31 | Crrc Qingdao Sifang Co., Ltd. | Coupling assembly and rail vehicle having same |
| CN106672010A (en) * | 2016-11-22 | 2017-05-17 | 中车长春轨道客车股份有限公司 | Motor train unit head train passive safety protection device |
| CN107600102A (en) * | 2017-09-26 | 2018-01-19 | 西南交通大学 | A kind of three-dimensional multistage energy absorption device of rail vehicle |
| CN107600102B (en) * | 2017-09-26 | 2019-03-29 | 西南交通大学 | A kind of three-dimensional multistage energy absorption device of rail vehicle |
| CN107914728A (en) * | 2017-11-14 | 2018-04-17 | 中车长春轨道客车股份有限公司 | The front end energy absorption device of railcar |
| CN108466631A (en) * | 2018-03-12 | 2018-08-31 | 中车株洲电力机车有限公司 | A kind of buffering energy-absorbing coupler pocket and track train |
| WO2019223257A1 (en) * | 2018-05-24 | 2019-11-28 | 中车株洲电力机车有限公司 | Rail vehicle and collision energy absorption system therefor |
| CN109080657A (en) * | 2018-08-30 | 2018-12-25 | 中车株洲电力机车有限公司 | Rail vehicle and its coupler pocket |
| US11780477B2 (en) | 2018-08-30 | 2023-10-10 | Crrc Zhuzhou Locomotive Co., Ltd. | Rail vehicle and coupling box thereof |
| AU2018439289B2 (en) * | 2018-08-30 | 2021-09-16 | Crrc Zhuzhou Locomotive Co., Ltd. | Rail vehicle and coupling box thereof |
| WO2020173436A1 (en) * | 2019-02-26 | 2020-09-03 | 中车长春轨道客车股份有限公司 | Vehicle and vehicle body collision energy absorption device thereof |
| EP3741643A4 (en) * | 2019-02-26 | 2021-12-29 | CRRC Changchun Railway Vehicles Co., Ltd. | Vehicle and vehicle body collision energy absorption device thereof |
| CN110281969A (en) * | 2019-07-18 | 2019-09-27 | 中南大学 | A kind of frictional rail vehicle energy-absorbing anti-creeper |
| CN110281969B (en) * | 2019-07-18 | 2024-05-24 | 中南大学 | Friction type energy-absorbing anti-creeper for railway vehicle |
| CN112389487A (en) * | 2019-08-14 | 2021-02-23 | 中车唐山机车车辆有限公司 | Energy absorption device and railway vehicle |
| WO2021051452A1 (en) * | 2019-09-18 | 2021-03-25 | 中车南京浦镇车辆有限公司 | Anti-collision structure for front end of railway vehicle chassis |
| CN110588705A (en) * | 2019-10-16 | 2019-12-20 | 中车株洲电力机车有限公司 | Support structure of slow hook device and rail vehicle |
| CN110588705B (en) * | 2019-10-16 | 2020-11-27 | 中车株洲电力机车有限公司 | Support structure of slow hook device and rail vehicle |
| WO2021114346A1 (en) * | 2019-12-13 | 2021-06-17 | 中车唐山机车车辆有限公司 | Rail vehicle, and vehicle body and end underframe thereof |
| CN112977524A (en) * | 2019-12-16 | 2021-06-18 | 中车唐山机车车辆有限公司 | Rail vehicle and vehicle end energy absorption structure thereof |
| CN112977524B (en) * | 2019-12-16 | 2022-08-30 | 中车唐山机车车辆有限公司 | Rail vehicle and vehicle end energy absorption structure thereof |
| CN111845830A (en) * | 2020-08-25 | 2020-10-30 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy-absorbing device and rail train |
| CN111845830B (en) * | 2020-08-25 | 2024-06-04 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy absorbing device and rail train |
| WO2022088780A1 (en) * | 2020-10-27 | 2022-05-05 | 中车青岛四方机车车辆股份有限公司 | Vehicle body collision energy absorption structure and rail vehicle |
| CN113479157A (en) * | 2021-07-14 | 2021-10-08 | 广东乾行达汽车安全科技有限公司 | Anti-collision buffer device |
| CN113588291A (en) * | 2021-08-06 | 2021-11-02 | 江苏蔚之领域智能科技有限公司 | High-speed test bed vibration reduction base based on negative Poisson ratio structure |
| WO2023115868A1 (en) * | 2021-12-23 | 2023-06-29 | 中车株洲电力机车有限公司 | Energy absorption structure of railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103625502B (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103625502A (en) | Railway vehicle front-end energy absorbing device | |
| CN203612011U (en) | Front end energy-absorbing device for railway vehicle | |
| US20200122752A1 (en) | Energy absorbing device for subway vehicle | |
| KR100904030B1 (en) | Rail vehicle and lifeguard apparatus | |
| CN203485923U (en) | End wall structure of rail vehicle | |
| CN209975438U (en) | Deformation-limited secondary compression efficient energy-absorbing and guiding crash pad | |
| CN202448992U (en) | End wall for railway vehicle | |
| CN103909948A (en) | Rail vehicle energy-absorbing device | |
| CN104787073A (en) | Head-train under carriage end structure of high speed EMU | |
| CN103661437A (en) | Cab structure of urban rail | |
| CN112249044B (en) | Skeleton-free cab of railway vehicle | |
| CN203544003U (en) | Anti-collision structure at end part of chassis of railway vehicle | |
| CN104354710A (en) | Aluminum alloy sleeper beam structure and mounting method thereof | |
| CN109018023A (en) | Variable body structure | |
| CN104512429A (en) | End wall structure of railway vehicle and processing method of end wall structure | |
| CN211113177U (en) | Road and bridge anticollision barrier | |
| CN110258491A (en) | Ship lock safeguard structure | |
| CN208844368U (en) | Tenon formula rail is without sound splice | |
| CN215398685U (en) | Energy absorption device with modular structure | |
| CN212556523U (en) | Promote back and bump skeleton texture of security performance | |
| CN210734074U (en) | Preceding crashproof roof beam structure and car | |
| CN209891778U (en) | Platform has post canopy | |
| WO2020173230A1 (en) | Locomotive structure for electric multiple unit | |
| CN111746583A (en) | Train collision-resistant energy-absorbing structure | |
| CN103072468B (en) | A kind of collision energy-absorbing formula fuel cylinder mounting bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |